diff options
Diffstat (limited to 'drivers/acpi')
121 files changed, 6405 insertions, 4152 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 86c52520ed34..986410e7b483 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -3,6 +3,7 @@ # menu "ACPI (Advanced Configuration and Power Interface) Support" + depends on PM depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 @@ -48,7 +49,6 @@ config ACPI_BOOT config ACPI_INTERPRETER bool - depends on !IA64_SGI_SN default y if ACPI_INTERPRETER @@ -79,6 +79,14 @@ config ACPI_SLEEP_PROC_FS depends on ACPI_SLEEP && PROC_FS default y +config ACPI_SLEEP_PROC_SLEEP + bool "/proc/acpi/sleep (deprecated)" + depends on ACPI_SLEEP_PROC_FS + default n + ---help--- + Create /proc/acpi/sleep + Deprecated by /sys/power/state + config ACPI_AC tristate "AC Adapter" depends on X86 @@ -99,7 +107,6 @@ config ACPI_BATTERY config ACPI_BUTTON tristate "Button" - depends on !IA64_SGI_SN default m help This driver registers for events based on buttons, such as the @@ -111,7 +118,6 @@ config ACPI_BUTTON config ACPI_VIDEO tristate "Video" depends on EXPERIMENTAL - depends on !IA64_SGI_SN default m help This driver implement the ACPI Extensions For Display Adapters @@ -122,9 +128,17 @@ config ACPI_VIDEO Note that this is an ref. implementation only. It may or may not work for your integrated video device. +config ACPI_HOTKEY + tristate "Generic Hotkey" + depends on ACPI_INTERPRETER + depends on EXPERIMENTAL + depends on !IA64_SGI_SN + default m + help + ACPI generic hotkey + config ACPI_FAN tristate "Fan" - depends on !IA64_SGI_SN default m help This driver adds support for ACPI fan devices, allowing user-mode @@ -132,7 +146,6 @@ config ACPI_FAN config ACPI_PROCESSOR tristate "Processor" - depends on !IA64_SGI_SN default m help This driver installs ACPI as the idle handler for Linux, and uses @@ -142,7 +155,6 @@ config ACPI_PROCESSOR config ACPI_HOTPLUG_CPU bool "Processor Hotplug (EXPERIMENTAL)" depends on ACPI_PROCESSOR && HOTPLUG_CPU && EXPERIMENTAL - depends on !IA64_SGI_SN select ACPI_CONTAINER default n ---help--- @@ -262,7 +274,6 @@ config ACPI_BLACKLIST_YEAR config ACPI_DEBUG bool "Debug Statements" - depends on !IA64_SGI_SN default n help The ACPI driver can optionally report errors with a great deal @@ -271,7 +282,6 @@ config ACPI_DEBUG config ACPI_BUS bool - depends on !IA64_SGI_SN default y config ACPI_EC @@ -285,17 +295,14 @@ config ACPI_EC config ACPI_POWER bool - depends on !IA64_SGI_SN default y config ACPI_PCI bool - depends on !IA64_SGI_SN default PCI config ACPI_SYSTEM bool - depends on !IA64_SGI_SN default y help This driver will enable your system to shut down using ACPI, and @@ -327,8 +334,13 @@ config ACPI_CONTAINER depends on EXPERIMENTAL default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO) ---help--- - This is the ACPI generic container driver which supports - ACPI0004, PNP0A05 and PNP0A06 devices + This allows _physical_ insertion and removal of CPUs and memory. + This can be useful, for example, on NUMA machines that support + ACPI based physical hotplug of nodes, or non-NUMA machines that + support physical cpu/memory hot-plug. + + If one selects "m", this driver can be loaded with + "modprobe acpi_container". config ACPI_HOTPLUG_MEMORY tristate "Memory Hotplug" diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 65c92e20566d..ad67e8f61e6c 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -36,13 +36,14 @@ processor-objs += processor_perflib.o endif obj-$(CONFIG_ACPI_BUS) += sleep/ -obj-$(CONFIG_ACPI_BUS) += bus.o +obj-$(CONFIG_ACPI_BUS) += bus.o glue.o obj-$(CONFIG_ACPI_AC) += ac.o obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_BUTTON) += button.o obj-$(CONFIG_ACPI_EC) += ec.o obj-$(CONFIG_ACPI_FAN) += fan.o -obj-$(CONFIG_ACPI_VIDEO) += video.o +obj-$(CONFIG_ACPI_VIDEO) += video.o +obj-$(CONFIG_ACPI_HOTKEY) += hotkey.o obj-$(CONFIG_ACPI_PCI) += pci_root.o pci_link.o pci_irq.o pci_bind.o obj-$(CONFIG_ACPI_POWER) += power.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index a75cb565caeb..a560b1e2da77 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -1204,6 +1204,10 @@ static int __init asus_acpi_init(void) if (acpi_disabled) return -ENODEV; + if (!acpi_specific_hotkey_enabled){ + printk(KERN_ERR "Using generic hotkey driver\n"); + return -ENODEV; + } asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir); if (!asus_proc_dir) { printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n"); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 4edff1738579..d77c2307883c 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -212,6 +212,12 @@ acpi_bus_set_power ( ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Device is not power manageable\n")); return_VALUE(-ENODEV); } + /* + * Get device's current power state if it's unknown + * This means device power state isn't initialized or previous setting failed + */ + if (device->power.state == ACPI_STATE_UNKNOWN) + acpi_bus_get_power(device->handle, &device->power.state); if (state == device->power.state) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n", state)); return_VALUE(0); @@ -231,7 +237,7 @@ acpi_bus_set_power ( * On transitions to a high-powered state we first apply power (via * power resources) then evalute _PSx. Conversly for transitions to * a lower-powered state. - */ + */ if (state < device->power.state) { if (device->power.flags.power_resources) { result = acpi_power_transition(device, state); diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index ec4430e3053f..0f45d45f05a0 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -26,9 +26,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/types.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> @@ -36,9 +33,6 @@ #define ACPI_BUTTON_COMPONENT 0x00080000 #define ACPI_BUTTON_DRIVER_NAME "ACPI Button Driver" #define ACPI_BUTTON_CLASS "button" -#define ACPI_BUTTON_FILE_INFO "info" -#define ACPI_BUTTON_FILE_STATE "state" -#define ACPI_BUTTON_TYPE_UNKNOWN 0x00 #define ACPI_BUTTON_NOTIFY_STATUS 0x80 #define ACPI_BUTTON_SUBCLASS_POWER "power" @@ -70,8 +64,6 @@ MODULE_LICENSE("GPL"); static int acpi_button_add (struct acpi_device *device); static int acpi_button_remove (struct acpi_device *device, int type); -static int acpi_button_info_open_fs(struct inode *inode, struct file *file); -static int acpi_button_state_open_fs(struct inode *inode, struct file *file); static struct acpi_driver acpi_button_driver = { .name = ACPI_BUTTON_DRIVER_NAME, @@ -90,187 +82,6 @@ struct acpi_button { unsigned long pushed; }; -static struct file_operations acpi_button_info_fops = { - .open = acpi_button_info_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static struct file_operations acpi_button_state_fops = { - .open = acpi_button_state_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -/* -------------------------------------------------------------------------- - FS Interface (/proc) - -------------------------------------------------------------------------- */ - -static struct proc_dir_entry *acpi_button_dir; - -static int acpi_button_info_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_button *button = (struct acpi_button *) seq->private; - - ACPI_FUNCTION_TRACE("acpi_button_info_seq_show"); - - if (!button || !button->device) - return_VALUE(0); - - seq_printf(seq, "type: %s\n", - acpi_device_name(button->device)); - - return_VALUE(0); -} - -static int acpi_button_info_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_button_info_seq_show, PDE(inode)->data); -} - -static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_button *button = (struct acpi_button *) seq->private; - acpi_status status; - unsigned long state; - - ACPI_FUNCTION_TRACE("acpi_button_state_seq_show"); - - if (!button || !button->device) - return_VALUE(0); - - status = acpi_evaluate_integer(button->handle,"_LID",NULL,&state); - if (ACPI_FAILURE(status)) { - seq_printf(seq, "state: unsupported\n"); - } - else{ - seq_printf(seq, "state: %s\n", (state ? "open" : "closed")); - } - - return_VALUE(0); -} - -static int acpi_button_state_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_button_state_seq_show, PDE(inode)->data); -} - -static int -acpi_button_add_fs ( - struct acpi_device *device) -{ - struct proc_dir_entry *entry = NULL; - struct acpi_button *button = NULL; - - ACPI_FUNCTION_TRACE("acpi_button_add_fs"); - - if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); - - button = acpi_driver_data(device); - - switch (button->type) { - case ACPI_BUTTON_TYPE_POWER: - case ACPI_BUTTON_TYPE_POWERF: - entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_POWER, - acpi_button_dir); - break; - case ACPI_BUTTON_TYPE_SLEEP: - case ACPI_BUTTON_TYPE_SLEEPF: - entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_SLEEP, - acpi_button_dir); - break; - case ACPI_BUTTON_TYPE_LID: - entry = proc_mkdir(ACPI_BUTTON_SUBCLASS_LID, - acpi_button_dir); - break; - } - - if (!entry) - return_VALUE(-ENODEV); - entry->owner = THIS_MODULE; - - acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry); - if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); - acpi_device_dir(device)->owner = THIS_MODULE; - - /* 'info' [R] */ - entry = create_proc_entry(ACPI_BUTTON_FILE_INFO, - S_IRUGO, acpi_device_dir(device)); - if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BUTTON_FILE_INFO)); - else { - entry->proc_fops = &acpi_button_info_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } - - /* show lid state [R] */ - if (button->type == ACPI_BUTTON_TYPE_LID) { - entry = create_proc_entry(ACPI_BUTTON_FILE_STATE, - S_IRUGO, acpi_device_dir(device)); - if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BUTTON_FILE_INFO)); - else { - entry->proc_fops = &acpi_button_state_fops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } - } - - return_VALUE(0); -} - - -static int -acpi_button_remove_fs ( - struct acpi_device *device) -{ - struct acpi_button *button = NULL; - - ACPI_FUNCTION_TRACE("acpi_button_remove_fs"); - - button = acpi_driver_data(device); - if (acpi_device_dir(device)) { - if (button->type == ACPI_BUTTON_TYPE_LID) - remove_proc_entry(ACPI_BUTTON_FILE_STATE, - acpi_device_dir(device)); - remove_proc_entry(ACPI_BUTTON_FILE_INFO, - acpi_device_dir(device)); - - remove_proc_entry(acpi_device_bid(device), - acpi_device_dir(device)->parent); - - - switch (button->type) { - case ACPI_BUTTON_TYPE_POWER: - case ACPI_BUTTON_TYPE_POWERF: - remove_proc_entry(ACPI_BUTTON_SUBCLASS_POWER, - acpi_button_dir); - break; - case ACPI_BUTTON_TYPE_SLEEP: - case ACPI_BUTTON_TYPE_SLEEPF: - remove_proc_entry(ACPI_BUTTON_SUBCLASS_SLEEP, - acpi_button_dir); - break; - case ACPI_BUTTON_TYPE_LID: - remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, - acpi_button_dir); - break; - } - acpi_device_dir(device) = NULL; - } - - return_VALUE(0); -} - - /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ @@ -310,8 +121,7 @@ acpi_button_notify_fixed ( ACPI_FUNCTION_TRACE("acpi_button_notify_fixed"); - if (!button) - return_ACPI_STATUS(AE_BAD_PARAMETER); + BUG_ON(!button); acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button); @@ -327,10 +137,6 @@ acpi_button_add ( acpi_status status = AE_OK; struct acpi_button *button = NULL; - static struct acpi_device *power_button; - static struct acpi_device *sleep_button; - static struct acpi_device *lid_button; - ACPI_FUNCTION_TRACE("acpi_button_add"); if (!device) @@ -391,42 +197,6 @@ acpi_button_add ( goto end; } - /* - * Ensure only one button of each type is used. - */ - switch (button->type) { - case ACPI_BUTTON_TYPE_POWER: - case ACPI_BUTTON_TYPE_POWERF: - if (!power_button) - power_button = device; - else { - kfree(button); - return_VALUE(-ENODEV); - } - break; - case ACPI_BUTTON_TYPE_SLEEP: - case ACPI_BUTTON_TYPE_SLEEPF: - if (!sleep_button) - sleep_button = device; - else { - kfree(button); - return_VALUE(-ENODEV); - } - break; - case ACPI_BUTTON_TYPE_LID: - if (!lid_button) - lid_button = device; - else { - kfree(button); - return_VALUE(-ENODEV); - } - break; - } - - result = acpi_button_add_fs(device); - if (result) - goto end; - switch (button->type) { case ACPI_BUTTON_TYPE_POWERF: status = acpi_install_fixed_event_handler ( @@ -470,7 +240,6 @@ acpi_button_add ( end: if (result) { - acpi_button_remove_fs(device); kfree(button); } @@ -511,8 +280,6 @@ acpi_button_remove (struct acpi_device *device, int type) ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n")); - acpi_button_remove_fs(device); - kfree(button); return_VALUE(0); @@ -526,21 +293,14 @@ acpi_button_init (void) ACPI_FUNCTION_TRACE("acpi_button_init"); - acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); - if (!acpi_button_dir) - return_VALUE(-ENODEV); - acpi_button_dir->owner = THIS_MODULE; - result = acpi_bus_register_driver(&acpi_button_driver); if (result < 0) { - remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); return_VALUE(-ENODEV); } return_VALUE(0); } - static void __exit acpi_button_exit (void) { @@ -548,11 +308,8 @@ acpi_button_exit (void) acpi_bus_unregister_driver(&acpi_button_driver); - remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); - return_VOID; } - module_init(acpi_button_init); module_exit(acpi_button_exit); diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c index 2779211be756..84193983d6ba 100644 --- a/drivers/acpi/dispatcher/dsfield.c +++ b/drivers/acpi/dispatcher/dsfield.c @@ -53,13 +53,20 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dsfield") +/* Local prototypes */ + +static acpi_status +acpi_ds_get_field_names ( + struct acpi_create_field_info *info, + struct acpi_walk_state *walk_state, + union acpi_parse_object *arg); + /******************************************************************************* * * FUNCTION: acpi_ds_create_buffer_field * - * PARAMETERS: Opcode - The opcode to be executed - * Operands - List of operands for the opcode + * PARAMETERS: Op - Current parse op (create_xXField) * walk_state - Current state * * RETURN: Status @@ -70,7 +77,7 @@ * create_word_field_op, * create_dword_field_op, * create_qword_field_op, - * create_field_op (all of which define fields in buffers) + * create_field_op (all of which define a field in a buffer) * ******************************************************************************/ @@ -119,7 +126,8 @@ acpi_ds_create_buffer_field ( flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE; } else { - flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND; + flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | + ACPI_NS_ERROR_IF_FOUND; } /* @@ -134,16 +142,16 @@ acpi_ds_create_buffer_field ( } } - /* We could put the returned object (Node) on the object stack for later, but - * for now, we will put it in the "op" object that the parser uses, so we - * can get it again at the end of this scope + /* We could put the returned object (Node) on the object stack for later, + * but for now, we will put it in the "op" object that the parser uses, + * so we can get it again at the end of this scope */ op->common.node = node; /* - * If there is no object attached to the node, this node was just created and - * we need to create the field object. Otherwise, this was a lookup of an - * existing node and we don't want to create the field object again. + * If there is no object attached to the node, this node was just created + * and we need to create the field object. Otherwise, this was a lookup + * of an existing node and we don't want to create the field object again. */ obj_desc = acpi_ns_get_attached_object (node); if (obj_desc) { @@ -205,7 +213,7 @@ cleanup: * ******************************************************************************/ -acpi_status +static acpi_status acpi_ds_get_field_names ( struct acpi_create_field_info *info, struct acpi_walk_state *walk_state, @@ -238,7 +246,8 @@ acpi_ds_get_field_names ( + (acpi_integer) arg->common.value.size; if (position > ACPI_UINT32_MAX) { - ACPI_REPORT_ERROR (("Bit offset within field too large (> 0xFFFFFFFF)\n")); + ACPI_REPORT_ERROR (( + "Bit offset within field too large (> 0xFFFFFFFF)\n")); return_ACPI_STATUS (AE_SUPPORT); } @@ -250,12 +259,15 @@ acpi_ds_get_field_names ( /* * Get a new access_type and access_attribute -- to be used for all - * field units that follow, until field end or another access_as keyword. + * field units that follow, until field end or another access_as + * keyword. * - * In field_flags, preserve the flag bits other than the ACCESS_TYPE bits + * In field_flags, preserve the flag bits other than the + * ACCESS_TYPE bits */ - info->field_flags = (u8) ((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) | - ((u8) ((u32) arg->common.value.integer >> 8))); + info->field_flags = (u8) + ((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) | + ((u8) ((u32) arg->common.value.integer >> 8))); info->attribute = (u8) (arg->common.value.integer); break; @@ -267,7 +279,8 @@ acpi_ds_get_field_names ( status = acpi_ns_lookup (walk_state->scope_info, (char *) &arg->named.name, - info->field_type, ACPI_IMODE_EXECUTE, ACPI_NS_DONT_OPEN_SCOPE, + info->field_type, ACPI_IMODE_EXECUTE, + ACPI_NS_DONT_OPEN_SCOPE, walk_state, &info->field_node); if (ACPI_FAILURE (status)) { ACPI_REPORT_NSERROR ((char *) &arg->named.name, status); @@ -295,8 +308,9 @@ acpi_ds_get_field_names ( + (acpi_integer) arg->common.value.size; if (position > ACPI_UINT32_MAX) { - ACPI_REPORT_ERROR (("Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n", - (char *) &info->field_node->name)); + ACPI_REPORT_ERROR (( + "Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n", + (char *) &info->field_node->name)); return_ACPI_STATUS (AE_SUPPORT); } @@ -306,7 +320,8 @@ acpi_ds_get_field_names ( default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid opcode in field list: %X\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Invalid opcode in field list: %X\n", arg->common.aml_opcode)); return_ACPI_STATUS (AE_AML_BAD_OPCODE); } @@ -435,7 +450,8 @@ acpi_ds_init_field_objects ( status = acpi_ns_lookup (walk_state->scope_info, (char *) &arg->named.name, type, ACPI_IMODE_LOAD_PASS1, - ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND, + ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | + ACPI_NS_ERROR_IF_FOUND, walk_state, &node); if (ACPI_FAILURE (status)) { ACPI_REPORT_NSERROR ((char *) &arg->named.name, status); diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c index b4d264dbbf67..d7790db50178 100644 --- a/drivers/acpi/dispatcher/dsinit.c +++ b/drivers/acpi/dispatcher/dsinit.c @@ -49,12 +49,21 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dsinit") +/* Local prototypes */ + +static acpi_status +acpi_ds_init_one_object ( + acpi_handle obj_handle, + u32 level, + void *context, + void **return_value); + /******************************************************************************* * * FUNCTION: acpi_ds_init_one_object * - * PARAMETERS: obj_handle - Node + * PARAMETERS: obj_handle - Node for the object * Level - Current nesting level * Context - Points to a init info struct * return_value - Not used @@ -70,7 +79,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_ds_init_one_object ( acpi_handle obj_handle, u32 level, @@ -105,7 +114,8 @@ acpi_ds_init_one_object ( status = acpi_ds_initialize_region (obj_handle); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region %p [%4.4s] - Init failure, %s\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Region %p [%4.4s] - Init failure, %s\n", obj_handle, acpi_ut_get_node_name (obj_handle), acpi_format_exception (status))); } @@ -118,8 +128,10 @@ acpi_ds_init_one_object ( info->method_count++; - /* Print a dot for each method unless we are going to print the entire pathname */ - + /* + * Print a dot for each method unless we are going to print + * the entire pathname + */ if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) { ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); } @@ -140,7 +152,8 @@ acpi_ds_init_one_object ( */ status = acpi_ds_parse_method (obj_handle); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Method %p [%4.4s] - parse failure, %s\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Method %p [%4.4s] - parse failure, %s\n", obj_handle, acpi_ut_get_node_name (obj_handle), acpi_format_exception (status))); @@ -154,7 +167,8 @@ acpi_ds_init_one_object ( * for every execution since there isn't much overhead */ acpi_ns_delete_namespace_subtree (obj_handle); - acpi_ns_delete_namespace_by_owner (((struct acpi_namespace_node *) obj_handle)->object->method.owning_id); + acpi_ns_delete_namespace_by_owner ( + ((struct acpi_namespace_node *) obj_handle)->object->method.owning_id); break; diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 9f0456cb9bb5..9fc3f4c033eb 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -153,12 +153,11 @@ acpi_ds_parse_method ( /* * Parse the method, first pass * - * The first pass load is where newly declared named objects are - * added into the namespace. Actual evaluation of - * the named objects (what would be called a "second - * pass") happens during the actual execution of the - * method so that operands to the named objects can - * take on dynamic run-time values. + * The first pass load is where newly declared named objects are added into + * the namespace. Actual evaluation of the named objects (what would be + * called a "second pass") happens during the actual execution of the + * method so that operands to the named objects can take on dynamic + * run-time values. */ status = acpi_ps_parse_aml (walk_state); if (ACPI_FAILURE (status)) { diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c index f31d095f9833..f7998306f756 100644 --- a/drivers/acpi/dispatcher/dsmthdat.c +++ b/drivers/acpi/dispatcher/dsmthdat.c @@ -52,6 +52,29 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dsmthdat") +/* Local prototypes */ + +static void +acpi_ds_method_data_delete_value ( + u16 opcode, + u32 index, + struct acpi_walk_state *walk_state); + +static acpi_status +acpi_ds_method_data_set_value ( + u16 opcode, + u32 index, + union acpi_operand_object *object, + struct acpi_walk_state *walk_state); + +#ifdef ACPI_OBSOLETE_FUNCTIONS +acpi_object_type +acpi_ds_method_data_get_type ( + u16 opcode, + u32 index, + struct acpi_walk_state *walk_state); +#endif + /******************************************************************************* * @@ -62,8 +85,8 @@ * RETURN: Status * * DESCRIPTION: Initialize the data structures that hold the method's arguments - * and locals. The data struct is an array of NTEs for each. - * This allows ref_of and de_ref_of to work properly for these + * and locals. The data struct is an array of namespace nodes for + * each - this allows ref_of and de_ref_of to work properly for these * special data types. * * NOTES: walk_state fields are initialized to zero by the @@ -92,7 +115,8 @@ acpi_ds_method_data_init ( walk_state->arguments[i].name.integer |= (i << 24); walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED; walk_state->arguments[i].type = ACPI_TYPE_ANY; - walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG; + walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST | + ANOBJ_METHOD_ARG; } /* Init the method locals */ @@ -104,7 +128,8 @@ acpi_ds_method_data_init ( walk_state->local_variables[i].name.integer |= (i << 24); walk_state->local_variables[i].descriptor = ACPI_DESC_TYPE_NAMED; walk_state->local_variables[i].type = ACPI_TYPE_ANY; - walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL; + walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST | + ANOBJ_METHOD_LOCAL; } return_VOID; @@ -198,15 +223,18 @@ acpi_ds_method_data_init_args ( return_ACPI_STATUS (AE_OK); } - /* Copy passed parameters into the new method stack frame */ + /* Copy passed parameters into the new method stack frame */ - while ((index < ACPI_METHOD_NUM_ARGS) && (index < max_param_count) && params[index]) { + while ((index < ACPI_METHOD_NUM_ARGS) && + (index < max_param_count) && + params[index]) { /* * A valid parameter. * Store the argument in the method/walk descriptor. * Do not copy the arg in order to implement call by reference */ - status = acpi_ds_method_data_set_value (AML_ARG_OP, index, params[index], walk_state); + status = acpi_ds_method_data_set_value (AML_ARG_OP, index, + params[index], walk_state); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -224,11 +252,13 @@ acpi_ds_method_data_init_args ( * FUNCTION: acpi_ds_method_data_get_node * * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - which local_var or argument whose type - * to get + * Index - Which Local or Arg whose type to get * walk_state - Current walk state object + * Node - Where the node is returned. * - * RETURN: Get the Node associated with a local or arg. + * RETURN: Status and node + * + * DESCRIPTION: Get the Node associated with a local or arg. * ******************************************************************************/ @@ -249,7 +279,8 @@ acpi_ds_method_data_get_node ( case AML_LOCAL_OP: if (index > ACPI_METHOD_MAX_LOCAL) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Local index %d is invalid (max %d)\n", index, ACPI_METHOD_MAX_LOCAL)); return_ACPI_STATUS (AE_AML_INVALID_INDEX); } @@ -262,7 +293,8 @@ acpi_ds_method_data_get_node ( case AML_ARG_OP: if (index > ACPI_METHOD_MAX_ARG) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Arg index %d is invalid (max %d)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Arg index %d is invalid (max %d)\n", index, ACPI_METHOD_MAX_ARG)); return_ACPI_STATUS (AE_AML_INVALID_INDEX); } @@ -286,7 +318,7 @@ acpi_ds_method_data_get_node ( * FUNCTION: acpi_ds_method_data_set_value * * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - which local_var or argument to get + * Index - Which Local or Arg to get * Object - Object to be inserted into the stack entry * walk_state - Current walk state object * @@ -297,7 +329,7 @@ acpi_ds_method_data_get_node ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ds_method_data_set_value ( u16 opcode, u32 index, @@ -340,68 +372,16 @@ acpi_ds_method_data_set_value ( /******************************************************************************* * - * FUNCTION: acpi_ds_method_data_get_type - * - * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - which local_var or argument whose type - * to get - * walk_state - Current walk state object - * - * RETURN: Data type of current value of the selected Arg or Local - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE -acpi_object_type -acpi_ds_method_data_get_type ( - u16 opcode, - u32 index, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - struct acpi_namespace_node *node; - union acpi_operand_object *object; - - - ACPI_FUNCTION_TRACE ("ds_method_data_get_type"); - - - /* Get the namespace node for the arg/local */ - - status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node); - if (ACPI_FAILURE (status)) { - return_VALUE ((ACPI_TYPE_NOT_FOUND)); - } - - /* Get the object */ - - object = acpi_ns_get_attached_object (node); - if (!object) { - /* Uninitialized local/arg, return TYPE_ANY */ - - return_VALUE (ACPI_TYPE_ANY); - } - - /* Get the object type */ - - return_VALUE (ACPI_GET_OBJECT_TYPE (object)); -} -#endif /* ACPI_FUTURE_USAGE */ - - -/******************************************************************************* - * * FUNCTION: acpi_ds_method_data_get_value * * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP * Index - which local_var or argument to get * walk_state - Current walk state object - * *dest_desc - Ptr to Descriptor into which selected Arg - * or Local value should be copied + * dest_desc - Where Arg or Local value is returned * * RETURN: Status * - * DESCRIPTION: Retrieve value of selected Arg or Local from the method frame - * at the current top of the method stack. + * DESCRIPTION: Retrieve value of selected Arg or Local for this method * Used only in acpi_ex_resolve_to_value(). * ******************************************************************************/ @@ -467,14 +447,16 @@ acpi_ds_method_data_get_value ( else switch (opcode) { case AML_ARG_OP: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Uninitialized Arg[%d] at node %p\n", index, node)); return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG); case AML_LOCAL_OP: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Uninitialized Local[%d] at node %p\n", index, node)); return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL); @@ -506,12 +488,12 @@ acpi_ds_method_data_get_value ( * * RETURN: None * - * DESCRIPTION: Delete the entry at Opcode:Index on the method stack. Inserts + * DESCRIPTION: Delete the entry at Opcode:Index. Inserts * a null into the stack slot after the object is deleted. * ******************************************************************************/ -void +static void acpi_ds_method_data_delete_value ( u16 opcode, u32 index, @@ -562,7 +544,7 @@ acpi_ds_method_data_delete_value ( * FUNCTION: acpi_ds_store_object_to_local * * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - which local_var or argument to set + * Index - Which Local or Arg to set * obj_desc - Value to be stored * walk_state - Current walk state * @@ -651,19 +633,20 @@ acpi_ds_store_object_to_local ( */ if (opcode == AML_ARG_OP) { /* - * Make sure that the object is the correct type. This may be overkill, but - * it is here because references were NS nodes in the past. Now they are - * operand objects of type Reference. + * Make sure that the object is the correct type. This may be + * overkill, butit is here because references were NS nodes in + * the past. Now they are operand objects of type Reference. */ if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) { - ACPI_REPORT_ERROR (("Invalid descriptor type while storing to method arg: [%s]\n", - acpi_ut_get_descriptor_name (current_obj_desc))); + ACPI_REPORT_ERROR (( + "Invalid descriptor type while storing to method arg: [%s]\n", + acpi_ut_get_descriptor_name (current_obj_desc))); return_ACPI_STATUS (AE_AML_INTERNAL); } /* - * If we have a valid reference object that came from ref_of(), do the - * indirect store + * If we have a valid reference object that came from ref_of(), + * do the indirect store */ if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) && (current_obj_desc->reference.opcode == AML_REF_OF_OP)) { @@ -713,3 +696,55 @@ acpi_ds_store_object_to_local ( } +#ifdef ACPI_OBSOLETE_FUNCTIONS +/******************************************************************************* + * + * FUNCTION: acpi_ds_method_data_get_type + * + * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP + * Index - Which Local or Arg whose type to get + * walk_state - Current walk state object + * + * RETURN: Data type of current value of the selected Arg or Local + * + * DESCRIPTION: Get the type of the object stored in the Local or Arg + * + ******************************************************************************/ + +acpi_object_type +acpi_ds_method_data_get_type ( + u16 opcode, + u32 index, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + struct acpi_namespace_node *node; + union acpi_operand_object *object; + + + ACPI_FUNCTION_TRACE ("ds_method_data_get_type"); + + + /* Get the namespace node for the arg/local */ + + status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node); + if (ACPI_FAILURE (status)) { + return_VALUE ((ACPI_TYPE_NOT_FOUND)); + } + + /* Get the object */ + + object = acpi_ns_get_attached_object (node); + if (!object) { + /* Uninitialized local/arg, return TYPE_ANY */ + + return_VALUE (ACPI_TYPE_ANY); + } + + /* Get the object type */ + + return_VALUE (ACPI_GET_OBJECT_TYPE (object)); +} +#endif + + diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c index eb8af4785bcb..bfbae4e4c667 100644 --- a/drivers/acpi/dispatcher/dsobject.c +++ b/drivers/acpi/dispatcher/dsobject.c @@ -52,9 +52,15 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dsobject") +static acpi_status +acpi_ds_build_internal_object ( + struct acpi_walk_state *walk_state, + union acpi_parse_object *op, + union acpi_operand_object **obj_desc_ptr); + #ifndef ACPI_NO_METHOD_EXECUTION -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_build_internal_object * @@ -67,9 +73,9 @@ * DESCRIPTION: Translate a parser Op object to the equivalent namespace object * Simple objects are any objects other than a package object! * - ****************************************************************************/ + ******************************************************************************/ -acpi_status +static acpi_status acpi_ds_build_internal_object ( struct acpi_walk_state *walk_state, union acpi_parse_object *op, @@ -90,9 +96,11 @@ acpi_ds_build_internal_object ( * Otherwise, go ahead and look it up now */ if (!op->common.node) { - status = acpi_ns_lookup (walk_state->scope_info, op->common.value.string, + status = acpi_ns_lookup (walk_state->scope_info, + op->common.value.string, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, - ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, + ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, + NULL, (struct acpi_namespace_node **) &(op->common.node)); if (ACPI_FAILURE (status)) { @@ -104,12 +112,14 @@ acpi_ds_build_internal_object ( /* Create and init the internal ACPI object */ - obj_desc = acpi_ut_create_internal_object ((acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type); + obj_desc = acpi_ut_create_internal_object ( + (acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type); if (!obj_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } - status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode, &obj_desc); + status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode, + &obj_desc); if (ACPI_FAILURE (status)) { acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); @@ -120,7 +130,7 @@ acpi_ds_build_internal_object ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_build_internal_buffer_obj * @@ -134,7 +144,7 @@ acpi_ds_build_internal_object ( * DESCRIPTION: Translate a parser Op package object to the equivalent * namespace object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_build_internal_buffer_obj ( @@ -229,7 +239,7 @@ acpi_ds_build_internal_buffer_obj ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_build_internal_package_obj * @@ -243,7 +253,7 @@ acpi_ds_build_internal_buffer_obj ( * DESCRIPTION: Translate a parser Op package object to the equivalent * namespace object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_build_internal_package_obj ( @@ -331,11 +341,12 @@ acpi_ds_build_internal_package_obj ( if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { /* Object (package or buffer) is already built */ - obj_desc->package.elements[i] = ACPI_CAST_PTR (union acpi_operand_object, arg->common.node); + obj_desc->package.elements[i] = + ACPI_CAST_PTR (union acpi_operand_object, arg->common.node); } else { status = acpi_ds_build_internal_object (walk_state, arg, - &obj_desc->package.elements[i]); + &obj_desc->package.elements[i]); } i++; @@ -348,7 +359,7 @@ acpi_ds_build_internal_package_obj ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_create_node * @@ -360,7 +371,7 @@ acpi_ds_build_internal_package_obj ( * * DESCRIPTION: Create the object to be associated with a namespace node * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_create_node ( @@ -392,7 +403,8 @@ acpi_ds_create_node ( /* Build an internal object for the argument(s) */ - status = acpi_ds_build_internal_object (walk_state, op->common.value.arg, &obj_desc); + status = acpi_ds_build_internal_object (walk_state, op->common.value.arg, + &obj_desc); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -414,7 +426,7 @@ acpi_ds_create_node ( #endif /* ACPI_NO_METHOD_EXECUTION */ -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_init_object_from_op * @@ -429,7 +441,7 @@ acpi_ds_create_node ( * associated arguments. The namespace object is a more compact * representation of the Op and its arguments. * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_init_object_from_op ( @@ -462,7 +474,8 @@ acpi_ds_init_object_from_op ( /* * Defer evaluation of Buffer term_arg operand */ - obj_desc->buffer.node = (struct acpi_namespace_node *) walk_state->operands[0]; + obj_desc->buffer.node = (struct acpi_namespace_node *) + walk_state->operands[0]; obj_desc->buffer.aml_start = op->named.data; obj_desc->buffer.aml_length = op->named.length; break; @@ -473,7 +486,8 @@ acpi_ds_init_object_from_op ( /* * Defer evaluation of Package term_arg operand */ - obj_desc->package.node = (struct acpi_namespace_node *) walk_state->operands[0]; + obj_desc->package.node = (struct acpi_namespace_node *) + walk_state->operands[0]; obj_desc->package.aml_start = op->named.data; obj_desc->package.aml_length = op->named.length; break; @@ -486,9 +500,10 @@ acpi_ds_init_object_from_op ( /* * Resolve AML Constants here - AND ONLY HERE! * All constants are integers. - * We mark the integer with a flag that indicates that it started life - * as a constant -- so that stores to constants will perform as expected (noop). - * (zero_op is used as a placeholder for optional target operands.) + * We mark the integer with a flag that indicates that it started + * life as a constant -- so that stores to constants will perform + * as expected (noop). zero_op is used as a placeholder for optional + * target operands. */ obj_desc->common.flags = AOPOBJ_AML_CONSTANT; @@ -521,7 +536,8 @@ acpi_ds_init_object_from_op ( default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown constant opcode %X\n", opcode)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Unknown constant opcode %X\n", opcode)); status = AE_AML_OPERAND_TYPE; break; } @@ -535,7 +551,8 @@ acpi_ds_init_object_from_op ( default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", op_info->type)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", + op_info->type)); status = AE_AML_OPERAND_TYPE; break; } @@ -570,8 +587,10 @@ acpi_ds_init_object_from_op ( obj_desc->reference.offset = opcode - AML_LOCAL_OP; #ifndef ACPI_NO_METHOD_EXECUTION - status = acpi_ds_method_data_get_node (AML_LOCAL_OP, obj_desc->reference.offset, - walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object); + status = acpi_ds_method_data_get_node (AML_LOCAL_OP, + obj_desc->reference.offset, + walk_state, + (struct acpi_namespace_node **) &obj_desc->reference.object); #endif break; @@ -584,8 +603,10 @@ acpi_ds_init_object_from_op ( obj_desc->reference.offset = opcode - AML_ARG_OP; #ifndef ACPI_NO_METHOD_EXECUTION - status = acpi_ds_method_data_get_node (AML_ARG_OP, obj_desc->reference.offset, - walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object); + status = acpi_ds_method_data_get_node (AML_ARG_OP, + obj_desc->reference.offset, + walk_state, + (struct acpi_namespace_node **) &obj_desc->reference.object); #endif break; diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c index 5c987a0e7b75..ba13bca28bee 100644 --- a/drivers/acpi/dispatcher/dsopcode.c +++ b/drivers/acpi/dispatcher/dsopcode.c @@ -54,12 +54,31 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dsopcode") +/* Local prototypes */ -/***************************************************************************** +static acpi_status +acpi_ds_execute_arguments ( + struct acpi_namespace_node *node, + struct acpi_namespace_node *scope_node, + u32 aml_length, + u8 *aml_start); + +static acpi_status +acpi_ds_init_buffer_field ( + u16 aml_opcode, + union acpi_operand_object *obj_desc, + union acpi_operand_object *buffer_desc, + union acpi_operand_object *offset_desc, + union acpi_operand_object *length_desc, + union acpi_operand_object *result_desc); + + +/******************************************************************************* * * FUNCTION: acpi_ds_execute_arguments * - * PARAMETERS: Node - Parent NS node + * PARAMETERS: Node - Object NS node + * scope_node - Parent NS node * aml_length - Length of executable AML * aml_start - Pointer to the AML * @@ -67,9 +86,9 @@ * * DESCRIPTION: Late (deferred) execution of region or field arguments * - ****************************************************************************/ + ******************************************************************************/ -acpi_status +static acpi_status acpi_ds_execute_arguments ( struct acpi_namespace_node *node, struct acpi_namespace_node *scope_node, @@ -162,7 +181,7 @@ acpi_ds_execute_arguments ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_get_buffer_field_arguments * @@ -173,7 +192,7 @@ acpi_ds_execute_arguments ( * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late * evaluation of these field attributes. * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_get_buffer_field_arguments ( @@ -208,7 +227,7 @@ acpi_ds_get_buffer_field_arguments ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_get_buffer_arguments * @@ -219,7 +238,7 @@ acpi_ds_get_buffer_field_arguments ( * DESCRIPTION: Get Buffer length and initializer byte list. This implements * the late evaluation of these attributes. * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_get_buffer_arguments ( @@ -255,7 +274,7 @@ acpi_ds_get_buffer_arguments ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_get_package_arguments * @@ -266,7 +285,7 @@ acpi_ds_get_buffer_arguments ( * DESCRIPTION: Get Package length and initializer byte list. This implements * the late evaluation of these attributes. * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_get_package_arguments ( @@ -353,17 +372,17 @@ acpi_ds_get_region_arguments ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_initialize_region * - * PARAMETERS: Op - A valid region Op object + * PARAMETERS: obj_handle - Region namespace node * * RETURN: Status * * DESCRIPTION: Front end to ev_initialize_region * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_initialize_region ( @@ -382,7 +401,7 @@ acpi_ds_initialize_region ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_init_buffer_field * @@ -390,16 +409,16 @@ acpi_ds_initialize_region ( * obj_desc - buffer_field object * buffer_desc - Host Buffer * offset_desc - Offset into buffer - * Length - Length of field (CREATE_FIELD_OP only) - * Result - Where to store the result + * length_desc - Length of field (CREATE_FIELD_OP only) + * result_desc - Where to store the result * * RETURN: Status * * DESCRIPTION: Perform actual initialization of a buffer field * - ****************************************************************************/ + ******************************************************************************/ -acpi_status +static acpi_status acpi_ds_init_buffer_field ( u16 aml_opcode, union acpi_operand_object *obj_desc, @@ -435,8 +454,10 @@ acpi_ds_init_buffer_field ( * after resolution in acpi_ex_resolve_operands(). */ if (ACPI_GET_DESCRIPTOR_TYPE (result_desc) != ACPI_DESC_TYPE_NAMED) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) destination not a NS Node [%s]\n", - acpi_ps_get_opcode_name (aml_opcode), acpi_ut_get_descriptor_name (result_desc))); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "(%s) destination not a NS Node [%s]\n", + acpi_ps_get_opcode_name (aml_opcode), + acpi_ut_get_descriptor_name (result_desc))); status = AE_AML_OPERAND_TYPE; goto cleanup; @@ -452,9 +473,18 @@ acpi_ds_init_buffer_field ( /* Offset is in bits, count is in bits */ + field_flags = AML_FIELD_ACCESS_BYTE; bit_offset = offset; bit_count = (u32) length_desc->integer.value; - field_flags = AML_FIELD_ACCESS_BYTE; + + /* Must have a valid (>0) bit count */ + + if (bit_count == 0) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Attempt to create_field of length 0\n")); + status = AE_AML_OPERAND_VALUE; + goto cleanup; + } break; case AML_CREATE_BIT_FIELD_OP: @@ -527,7 +557,8 @@ acpi_ds_init_buffer_field ( /* * Initialize areas of the field object that are common to all fields - * For field_flags, use LOCK_RULE = 0 (NO_LOCK), UPDATE_RULE = 0 (UPDATE_PRESERVE) + * For field_flags, use LOCK_RULE = 0 (NO_LOCK), + * UPDATE_RULE = 0 (UPDATE_PRESERVE) */ status = acpi_ex_prep_common_field_object (obj_desc, field_flags, 0, bit_offset, bit_count); @@ -539,8 +570,8 @@ acpi_ds_init_buffer_field ( /* Reference count for buffer_desc inherits obj_desc count */ - buffer_desc->common.reference_count = (u16) (buffer_desc->common.reference_count + - obj_desc->common.reference_count); + buffer_desc->common.reference_count = (u16) + (buffer_desc->common.reference_count + obj_desc->common.reference_count); cleanup: @@ -569,7 +600,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_eval_buffer_field_operands * @@ -581,7 +612,7 @@ cleanup: * DESCRIPTION: Get buffer_field Buffer and Index * Called from acpi_ds_exec_end_op during buffer_field parse tree walk * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_eval_buffer_field_operands ( @@ -656,7 +687,7 @@ acpi_ds_eval_buffer_field_operands ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_eval_region_operands * @@ -668,7 +699,7 @@ acpi_ds_eval_buffer_field_operands ( * DESCRIPTION: Get region address and length * Called from acpi_ds_exec_end_op during op_region parse tree walk * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_eval_region_operands ( @@ -686,7 +717,8 @@ acpi_ds_eval_region_operands ( /* - * This is where we evaluate the address and length fields of the op_region declaration + * This is where we evaluate the address and length fields of the + * op_region declaration */ node = op->common.node; @@ -707,7 +739,8 @@ acpi_ds_eval_region_operands ( /* Resolve the length and address operands to numbers */ - status = acpi_ex_resolve_operands (op->common.aml_opcode, ACPI_WALK_OPERANDS, walk_state); + status = acpi_ex_resolve_operands (op->common.aml_opcode, + ACPI_WALK_OPERANDS, walk_state); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -736,7 +769,8 @@ acpi_ds_eval_region_operands ( */ operand_desc = walk_state->operands[walk_state->num_operands - 2]; - obj_desc->region.address = (acpi_physical_address) operand_desc->integer.value; + obj_desc->region.address = (acpi_physical_address) + operand_desc->integer.value; acpi_ut_remove_reference (operand_desc); ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n", @@ -752,7 +786,7 @@ acpi_ds_eval_region_operands ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ds_eval_data_object_operands * @@ -765,7 +799,7 @@ acpi_ds_eval_region_operands ( * DESCRIPTION: Get the operands and complete the following data object types: * Buffer, Package. * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ds_eval_data_object_operands ( @@ -830,7 +864,7 @@ acpi_ds_eval_data_object_operands ( if (ACPI_SUCCESS (status)) { /* - * Return the object in the walk_state, unless the parent is a package -- + * Return the object in the walk_state, unless the parent is a package - * in this case, the return object will be stored in the parse tree * for the package. */ @@ -988,7 +1022,8 @@ acpi_ds_exec_end_control_op ( status = AE_CTRL_PENDING; } - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] termination! Op=%p\n", op)); + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "[WHILE_OP] termination! Op=%p\n",op)); /* Pop this control state and free it */ diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c index 462c5d83e747..9613349ac31d 100644 --- a/drivers/acpi/dispatcher/dsutils.c +++ b/drivers/acpi/dispatcher/dsutils.c @@ -100,7 +100,6 @@ acpi_ds_clear_implicit_return ( #ifndef ACPI_NO_METHOD_EXECUTION - /******************************************************************************* * * FUNCTION: acpi_ds_do_implicit_return @@ -205,7 +204,7 @@ acpi_ds_is_result_used ( * NOTE: this is optional because the ASL language does not actually * support this behavior. */ - acpi_ds_do_implicit_return (walk_state->result_obj, walk_state, TRUE); + (void) acpi_ds_do_implicit_return (walk_state->result_obj, walk_state, TRUE); /* * Now determine if the parent will use the result @@ -219,8 +218,9 @@ acpi_ds_is_result_used ( (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) { /* No parent, the return value cannot possibly be used */ - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "At Method level, result of [%s] not used\n", - acpi_ps_get_opcode_name (op->common.aml_opcode))); + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "At Method level, result of [%s] not used\n", + acpi_ps_get_opcode_name (op->common.aml_opcode))); return_VALUE (FALSE); } @@ -228,7 +228,8 @@ acpi_ds_is_result_used ( parent_info = acpi_ps_get_opcode_info (op->common.parent->common.aml_opcode); if (parent_info->class == AML_CLASS_UNKNOWN) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown parent opcode. Op=%p\n", op)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Unknown parent opcode. Op=%p\n", op)); return_VALUE (FALSE); } @@ -309,17 +310,19 @@ acpi_ds_is_result_used ( result_used: - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] used by Parent [%s] Op=%p\n", - acpi_ps_get_opcode_name (op->common.aml_opcode), - acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op)); + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "Result of [%s] used by Parent [%s] Op=%p\n", + acpi_ps_get_opcode_name (op->common.aml_opcode), + acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op)); return_VALUE (TRUE); result_not_used: - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] not used by Parent [%s] Op=%p\n", - acpi_ps_get_opcode_name (op->common.aml_opcode), - acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op)); + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "Result of [%s] not used by Parent [%s] Op=%p\n", + acpi_ps_get_opcode_name (op->common.aml_opcode), + acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op)); return_VALUE (FALSE); } @@ -522,7 +525,8 @@ acpi_ds_create_operand ( if ((walk_state->deferred_node) && (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) && (arg_index != 0)) { - obj_desc = ACPI_CAST_PTR (union acpi_operand_object, walk_state->deferred_node); + obj_desc = ACPI_CAST_PTR ( + union acpi_operand_object, walk_state->deferred_node); status = AE_OK; } else /* All other opcodes */ { @@ -565,7 +569,8 @@ acpi_ds_create_operand ( * indicate this to the interpreter, set the * object to the root */ - obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node); + obj_desc = ACPI_CAST_PTR ( + union acpi_operand_object, acpi_gbl_root_node); status = AE_OK; } else { @@ -612,7 +617,8 @@ acpi_ds_create_operand ( */ opcode = AML_ZERO_OP; /* Has no arguments! */ - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg)); + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "Null namepath: Arg=%p\n", arg)); } else { opcode = arg->common.aml_opcode; @@ -642,7 +648,8 @@ acpi_ds_create_operand ( * Only error is underflow, and this indicates * a missing or null operand! */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Missing or null operand, %s\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Missing or null operand, %s\n", acpi_format_exception (status))); return_ACPI_STATUS (status); } @@ -657,8 +664,8 @@ acpi_ds_create_operand ( /* Initialize the new object */ - status = acpi_ds_init_object_from_op (walk_state, arg, - opcode, &obj_desc); + status = acpi_ds_init_object_from_op ( + walk_state, arg, opcode, &obj_desc); if (ACPI_FAILURE (status)) { acpi_ut_delete_object_desc (obj_desc); return_ACPI_STATUS (status); diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index 2071a0d2bbbb..10f71318e23b 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -73,11 +73,13 @@ static ACPI_EXECUTE_OP acpi_gbl_op_type_dispatch [] = { acpi_ex_opcode_3A_1T_1R, acpi_ex_opcode_6A_0T_1R}; + /***************************************************************************** * * FUNCTION: acpi_ds_get_predicate_value * * PARAMETERS: walk_state - Current state of the parse tree walk + * result_obj - if non-zero, pop result from result stack * * RETURN: Status * @@ -124,7 +126,8 @@ acpi_ds_get_predicate_value ( } if (!obj_desc) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No predicate obj_desc=%p State=%p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "No predicate obj_desc=%p State=%p\n", obj_desc, walk_state)); return_ACPI_STATUS (AE_AML_NO_OPERAND); @@ -197,7 +200,7 @@ cleanup: * FUNCTION: acpi_ds_exec_begin_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * out_op - Return op if a new one is created + * out_op - Where to return op if a new one is created * * RETURN: Status * @@ -233,7 +236,8 @@ acpi_ds_exec_begin_op ( walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode); if (acpi_ns_opens_scope (walk_state->op_info->object_type)) { - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "(%s) Popping scope for Op %p\n", acpi_ut_get_type_name (walk_state->op_info->object_type), op)); status = acpi_ds_scope_stack_pop (walk_state); @@ -297,11 +301,10 @@ acpi_ds_exec_begin_op ( if (walk_state->walk_type == ACPI_WALK_METHOD) { /* - * Found a named object declaration during method - * execution; we must enter this object into the - * namespace. The created object is temporary and - * will be deleted upon completion of the execution - * of this method. + * Found a named object declaration during method execution; + * we must enter this object into the namespace. The created + * object is temporary and will be deleted upon completion of + * the execution of this method. */ status = acpi_ds_load2_begin_op (walk_state, NULL); } @@ -338,8 +341,6 @@ acpi_ds_exec_begin_op ( * FUNCTION: acpi_ds_exec_end_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * Op - Op that has been just been completed in the - * walk; Arguments have now been evaluated. * * RETURN: Status * @@ -389,7 +390,7 @@ acpi_ds_exec_end_op ( /* Decode the Opcode Class */ switch (op_class) { - case AML_CLASS_ARGUMENT: /* constants, literals, etc. -- do nothing */ + case AML_CLASS_ARGUMENT: /* constants, literals, etc. - do nothing */ break; @@ -417,12 +418,12 @@ acpi_ds_exec_end_op ( /* Resolve all operands */ status = acpi_ex_resolve_operands (walk_state->opcode, - &(walk_state->operands [walk_state->num_operands -1]), - walk_state); + &(walk_state->operands [walk_state->num_operands -1]), + walk_state); if (ACPI_SUCCESS (status)) { ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - acpi_ps_get_opcode_name (walk_state->opcode), - walk_state->num_operands, "after ex_resolve_operands"); + acpi_ps_get_opcode_name (walk_state->opcode), + walk_state->num_operands, "after ex_resolve_operands"); } } @@ -506,7 +507,8 @@ acpi_ds_exec_end_op ( if ((op->asl.parent) && ((op->asl.parent->asl.aml_opcode == AML_PACKAGE_OP) || (op->asl.parent->asl.aml_opcode == AML_VAR_PACKAGE_OP))) { - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method Reference in a Package, Op=%p\n", op)); + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "Method Reference in a Package, Op=%p\n", op)); op->common.node = (struct acpi_namespace_node *) op->asl.value.arg->asl.node->object; acpi_ut_add_reference (op->asl.value.arg->asl.node->object); return_ACPI_STATUS (AE_OK); @@ -583,13 +585,15 @@ acpi_ds_exec_end_op ( case AML_NAME_OP: /* - * Put the Node on the object stack (Contains the ACPI Name of - * this object) + * Put the Node on the object stack (Contains the ACPI Name + * of this object) */ walk_state->operands[0] = (void *) op->common.parent->common.node; walk_state->num_operands = 1; - status = acpi_ds_create_node (walk_state, op->common.parent->common.node, op->common.parent); + status = acpi_ds_create_node (walk_state, + op->common.parent->common.node, + op->common.parent); if (ACPI_FAILURE (status)) { break; } @@ -600,7 +604,7 @@ acpi_ds_exec_end_op ( case AML_INT_EVAL_SUBTREE_OP: status = acpi_ds_eval_data_object_operands (walk_state, op, - acpi_ns_get_attached_object (op->common.parent->common.node)); + acpi_ns_get_attached_object (op->common.parent->common.node)); break; default: @@ -609,7 +613,7 @@ acpi_ds_exec_end_op ( break; } - /* Done with this result state (Now that operand stack is built) */ + /* Done with result state (Now that operand stack is built) */ status = acpi_ds_result_stack_pop (walk_state); if (ACPI_FAILURE (status)) { @@ -620,8 +624,7 @@ acpi_ds_exec_end_op ( * If a result object was returned from above, push it on the * current result stack */ - if (ACPI_SUCCESS (status) && - walk_state->result_obj) { + if (walk_state->result_obj) { status = acpi_ds_result_push (walk_state->result_obj, walk_state); } break; @@ -654,7 +657,8 @@ acpi_ds_exec_end_op ( case AML_TYPE_UNDEFINED: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Undefined opcode type Op=%p\n", op)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Undefined opcode type Op=%p\n", op)); return_ACPI_STATUS (AE_NOT_IMPLEMENTED); @@ -709,13 +713,14 @@ cleanup: status = acpi_gbl_exception_handler (status, walk_state->method_node->name.integer, walk_state->opcode, walk_state->aml_offset, NULL); - acpi_ex_enter_interpreter (); + (void) acpi_ex_enter_interpreter (); } if (walk_state->result_obj) { /* Break to debugger to display result */ - ACPI_DEBUGGER_EXEC (acpi_db_display_result_object (walk_state->result_obj, walk_state)); + ACPI_DEBUGGER_EXEC (acpi_db_display_result_object (walk_state->result_obj, + walk_state)); /* * Delete the result op if and only if: diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index 06d758679588..1ac197ccfc80 100644 --- a/drivers/acpi/dispatcher/dswload.c +++ b/drivers/acpi/dispatcher/dswload.c @@ -79,20 +79,23 @@ acpi_ds_init_callbacks ( switch (pass_number) { case 1: - walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE; + walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 | + ACPI_PARSE_DELETE_TREE; walk_state->descending_callback = acpi_ds_load1_begin_op; walk_state->ascending_callback = acpi_ds_load1_end_op; break; case 2: - walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE; + walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 | + ACPI_PARSE_DELETE_TREE; walk_state->descending_callback = acpi_ds_load2_begin_op; walk_state->ascending_callback = acpi_ds_load2_end_op; break; case 3: #ifndef ACPI_NO_METHOD_EXECUTION - walk_state->parse_flags |= ACPI_PARSE_EXECUTE | ACPI_PARSE_DELETE_TREE; + walk_state->parse_flags |= ACPI_PARSE_EXECUTE | + ACPI_PARSE_DELETE_TREE; walk_state->descending_callback = acpi_ds_exec_begin_op; walk_state->ascending_callback = acpi_ds_exec_end_op; #endif @@ -111,8 +114,7 @@ acpi_ds_init_callbacks ( * FUNCTION: acpi_ds_load1_begin_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * Op - Op that has been just been reached in the - * walk; Arguments have not been evaluated yet. + * out_op - Where to return op if a new one is created * * RETURN: Status * @@ -146,7 +148,8 @@ acpi_ds_load1_begin_op ( #if 0 if ((walk_state->op_info->class == AML_CLASS_EXECUTE) || (walk_state->op_info->class == AML_CLASS_CONTROL)) { - acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n", walk_state->op_info->name); + acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n", + walk_state->op_info->name); *out_op = op; return (AE_CTRL_SKIP); } @@ -191,7 +194,8 @@ acpi_ds_load1_begin_op ( */ acpi_dm_add_to_external_list (path); status = acpi_ns_lookup (walk_state->scope_info, path, object_type, - ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); + ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, + walk_state, &(node)); } #endif if (ACPI_FAILURE (status)) { @@ -224,10 +228,12 @@ acpi_ds_load1_begin_op ( * Name (DEB, 0) * Scope (DEB) { ... } * - * Note: silently change the type here. On the second pass, we will report a warning + * Note: silently change the type here. On the second pass, we will report + * a warning */ - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, + "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", path, acpi_ut_get_type_name (node->type))); node->type = ACPI_TYPE_ANY; @@ -238,7 +244,8 @@ acpi_ds_load1_begin_op ( /* All other types are an error */ - ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n", + ACPI_REPORT_ERROR (( + "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n", acpi_ut_get_type_name (node->type), path)); return (AE_AML_OPERAND_TYPE); @@ -249,7 +256,8 @@ acpi_ds_load1_begin_op ( default: /* - * For all other named opcodes, we will enter the name into the namespace. + * For all other named opcodes, we will enter the name into + * the namespace. * * Setup the search flags. * Since we are entering a name into the namespace, we do not want to @@ -279,14 +287,16 @@ acpi_ds_load1_begin_op ( acpi_ut_get_type_name (object_type))); } else { - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[%s] Both Find or Create allowed\n", + ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, + "[%s] Both Find or Create allowed\n", acpi_ut_get_type_name (object_type))); } /* * Enter the named type into the internal namespace. We enter the name - * as we go downward in the parse tree. Any necessary subobjects that involve - * arguments to the opcode must be created as we go back up the parse tree later. + * as we go downward in the parse tree. Any necessary subobjects that + * involve arguments to the opcode must be created as we go back up the + * parse tree later. */ status = acpi_ns_lookup (walk_state->scope_info, path, object_type, ACPI_IMODE_LOAD_PASS1, flags, walk_state, &(node)); @@ -335,8 +345,6 @@ acpi_ds_load1_begin_op ( * FUNCTION: acpi_ds_load1_end_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * Op - Op that has been just been completed in the - * walk; Arguments have now been evaluated. * * RETURN: Status * @@ -383,7 +391,9 @@ acpi_ds_load1_end_op ( if (op->common.aml_opcode == AML_REGION_OP) { status = acpi_ex_create_region (op->named.data, op->named.length, - (acpi_adr_space_type) ((op->common.value.arg)->common.value.integer), walk_state); + (acpi_adr_space_type) + ((op->common.value.arg)->common.value.integer), + walk_state); if (ACPI_FAILURE (status)) { return (status); } @@ -394,7 +404,8 @@ acpi_ds_load1_end_op ( /* For Name opcode, get the object type from the argument */ if (op->common.value.arg) { - object_type = (acpi_ps_get_opcode_info ((op->common.value.arg)->common.aml_opcode))->object_type; + object_type = (acpi_ps_get_opcode_info ( + (op->common.value.arg)->common.aml_opcode))->object_type; op->common.node->type = (u8) object_type; } } @@ -448,8 +459,7 @@ acpi_ds_load1_end_op ( * FUNCTION: acpi_ds_load2_begin_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * Op - Op that has been just been reached in the - * walk; Arguments have not been evaluated yet. + * out_op - Wher to return op if a new one is created * * RETURN: Status * @@ -478,14 +488,20 @@ acpi_ds_load2_begin_op ( if (op) { /* We only care about Namespace opcodes here */ - if ((!(walk_state->op_info->flags & AML_NSOPCODE) && (walk_state->opcode != AML_INT_NAMEPATH_OP)) || + if ((!(walk_state->op_info->flags & AML_NSOPCODE) && + (walk_state->opcode != AML_INT_NAMEPATH_OP)) || (!(walk_state->op_info->flags & AML_NAMED))) { + if ((walk_state->op_info->class == AML_CLASS_EXECUTE) || + (walk_state->op_info->class == AML_CLASS_CONTROL)) { + ACPI_REPORT_WARNING (( + "Encountered executable code at module level, [%s]\n", + acpi_ps_get_opcode_name (walk_state->opcode))); + } return_ACPI_STATUS (AE_OK); } - /* - * Get the name we are going to enter or lookup in the namespace - */ + /* Get the name we are going to enter or lookup in the namespace */ + if (walk_state->opcode == AML_INT_NAMEPATH_OP) { /* For Namepath op, get the path string */ @@ -528,21 +544,25 @@ acpi_ds_load2_begin_op ( case AML_INT_NAMEPATH_OP: /* - * The name_path is an object reference to an existing object. Don't enter the - * name into the namespace, but look it up for use later + * The name_path is an object reference to an existing object. + * Don't enter the name into the namespace, but look it up + * for use later. */ status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, - ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); + ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, + walk_state, &(node)); break; case AML_SCOPE_OP: /* - * The Path is an object reference to an existing object. Don't enter the - * name into the namespace, but look it up for use later + * The Path is an object reference to an existing object. + * Don't enter the name into the namespace, but look it up + * for use later. */ status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, - ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); + ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, + walk_state, &(node)); if (ACPI_FAILURE (status)) { #ifdef _ACPI_ASL_COMPILER if (status == AE_NOT_FOUND) { @@ -582,7 +602,8 @@ acpi_ds_load2_begin_op ( * Scope (DEB) { ... } */ - ACPI_REPORT_WARNING (("Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", + ACPI_REPORT_WARNING (( + "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", buffer_ptr, acpi_ut_get_type_name (node->type))); node->type = ACPI_TYPE_ANY; @@ -593,7 +614,8 @@ acpi_ds_load2_begin_op ( /* All other types are an error */ - ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s]\n", + ACPI_REPORT_ERROR (( + "Invalid type (%s) for target of Scope operator [%4.4s]\n", acpi_ut_get_type_name (node->type), buffer_ptr)); return (AE_AML_OPERAND_TYPE); @@ -621,8 +643,9 @@ acpi_ds_load2_begin_op ( /* * Enter the named type into the internal namespace. We enter the name - * as we go downward in the parse tree. Any necessary subobjects that involve - * arguments to the opcode must be created as we go back up the parse tree later. + * as we go downward in the parse tree. Any necessary subobjects that + * involve arguments to the opcode must be created as we go back up the + * parse tree later. * * Note: Name may already exist if we are executing a deferred opcode. */ @@ -635,7 +658,8 @@ acpi_ds_load2_begin_op ( } status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, - ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, walk_state, &(node)); + ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, + walk_state, &(node)); break; } @@ -678,8 +702,6 @@ acpi_ds_load2_begin_op ( * FUNCTION: acpi_ds_load2_end_op * * PARAMETERS: walk_state - Current state of the parse tree walk - * Op - Op that has been just been completed in the - * walk; Arguments have now been evaluated. * * RETURN: Status * @@ -738,7 +760,8 @@ acpi_ds_load2_end_op ( /* Pop the scope stack */ - if (acpi_ns_opens_scope (object_type) && (op->common.aml_opcode != AML_INT_METHODCALL_OP)) { + if (acpi_ns_opens_scope (object_type) && + (op->common.aml_opcode != AML_INT_METHODCALL_OP)) { ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", acpi_ut_get_type_name (object_type), op)); @@ -803,7 +826,7 @@ acpi_ds_load2_end_op ( case AML_INDEX_FIELD_OP: status = acpi_ds_create_index_field (op, (acpi_handle) arg->common.node, - walk_state); + walk_state); break; case AML_BANK_FIELD_OP: @@ -884,14 +907,16 @@ acpi_ds_load2_end_op ( #ifndef ACPI_NO_METHOD_EXECUTION case AML_REGION_OP: /* - * The op_region is not fully parsed at this time. Only valid argument is the space_id. - * (We must save the address of the AML of the address and length operands) + * The op_region is not fully parsed at this time. Only valid + * argument is the space_id. (We must save the address of the + * AML of the address and length operands) */ /* * If we have a valid region, initialize it * Namespace is NOT locked at this point. */ - status = acpi_ev_initialize_region (acpi_ns_get_attached_object (node), FALSE); + status = acpi_ev_initialize_region (acpi_ns_get_attached_object (node), + FALSE); if (ACPI_FAILURE (status)) { /* * If AE_NOT_EXIST is returned, it is not fatal @@ -942,15 +967,16 @@ acpi_ds_load2_end_op ( if (ACPI_SUCCESS (status)) { /* * Make sure that what we found is indeed a method - * We didn't search for a method on purpose, to see if the name would resolve + * We didn't search for a method on purpose, to see if the name + * would resolve */ if (new_node->type != ACPI_TYPE_METHOD) { status = AE_AML_OPERAND_TYPE; } - /* We could put the returned object (Node) on the object stack for later, but - * for now, we will put it in the "op" object that the parser uses, so we - * can get it again at the end of this scope + /* We could put the returned object (Node) on the object stack for + * later, but for now, we will put it in the "op" object that the + * parser uses, so we can get it again at the end of this scope */ op->common.node = new_node; } diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c index 65f456151e25..21f4548ff323 100644 --- a/drivers/acpi/dispatcher/dswscope.c +++ b/drivers/acpi/dispatcher/dswscope.c @@ -50,14 +50,13 @@ ACPI_MODULE_NAME ("dswscope") -#define STACK_POP(head) head - - /**************************************************************************** * * FUNCTION: acpi_ds_scope_stack_clear * - * PARAMETERS: None + * PARAMETERS: walk_state - Current state + * + * RETURN: None * * DESCRIPTION: Pop (and free) everything on the scope stack except the * root scope object (which remains at the stack top.) @@ -80,7 +79,8 @@ acpi_ds_scope_stack_clear ( walk_state->scope_info = scope_info->scope.next; ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "Popped object type (%s)\n", acpi_ut_get_type_name (scope_info->common.value))); + "Popped object type (%s)\n", + acpi_ut_get_type_name (scope_info->common.value))); acpi_ut_delete_generic_state (scope_info); } } @@ -90,8 +90,11 @@ acpi_ds_scope_stack_clear ( * * FUNCTION: acpi_ds_scope_stack_push * - * PARAMETERS: *Node, - Name to be made current - * Type, - Type of frame being pushed + * PARAMETERS: Node - Name to be made current + * Type - Type of frame being pushed + * walk_state - Current state + * + * RETURN: Status * * DESCRIPTION: Push the current scope on the scope stack, and make the * passed Node current. @@ -121,7 +124,8 @@ acpi_ds_scope_stack_push ( /* Make sure object type is valid */ if (!acpi_ut_valid_object_type (type)) { - ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type)); + ACPI_REPORT_WARNING (( + "ds_scope_stack_push: Invalid object type: 0x%X\n", type)); } /* Allocate a new scope object */ @@ -170,16 +174,11 @@ acpi_ds_scope_stack_push ( * * FUNCTION: acpi_ds_scope_stack_pop * - * PARAMETERS: Type - The type of frame to be found + * PARAMETERS: walk_state - Current state * - * DESCRIPTION: Pop the scope stack until a frame of the requested type - * is found. + * RETURN: Status * - * RETURN: Count of frames popped. If no frame of the requested type - * was found, the count is returned as a negative number and - * the scope stack is emptied (which sets the current scope - * to the root). If the scope stack was empty at entry, the - * function is a no-op and returns 0. + * DESCRIPTION: Pop the scope stack once. * ***************************************************************************/ diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c index e555b3fbd5e5..9cd3db652b31 100644 --- a/drivers/acpi/dispatcher/dswstate.c +++ b/drivers/acpi/dispatcher/dswstate.c @@ -50,67 +50,31 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME ("dswstate") +/* Local prototypes */ -#ifdef ACPI_FUTURE_USAGE - -/******************************************************************************* - * - * FUNCTION: acpi_ds_result_insert - * - * PARAMETERS: Object - Object to push - * Index - Where to insert the object - * walk_state - Current Walk state - * - * RETURN: Status - * - * DESCRIPTION: Insert an object onto this walk's result stack - * - ******************************************************************************/ - +#ifdef ACPI_OBSOLETE_FUNCTIONS acpi_status acpi_ds_result_insert ( void *object, u32 index, - struct acpi_walk_state *walk_state) -{ - union acpi_generic_state *state; - + struct acpi_walk_state *walk_state); - ACPI_FUNCTION_NAME ("ds_result_insert"); - - - state = walk_state->results; - if (!state) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n", - walk_state)); - return (AE_NOT_EXIST); - } - - if (index >= ACPI_OBJ_NUM_OPERANDS) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Index out of range: %X Obj=%p State=%p Num=%X\n", - index, object, walk_state, state->results.num_results)); - return (AE_BAD_PARAMETER); - } - - if (!object) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Null Object! Index=%X Obj=%p State=%p Num=%X\n", - index, object, walk_state, state->results.num_results)); - return (AE_BAD_PARAMETER); - } - - state->results.obj_desc [index] = object; - state->results.num_results++; +acpi_status +acpi_ds_obj_stack_delete_all ( + struct acpi_walk_state *walk_state); - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "Obj=%p [%s] State=%p Num=%X Cur=%X\n", - object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL", - walk_state, state->results.num_results, walk_state->current_result)); +acpi_status +acpi_ds_obj_stack_pop_object ( + union acpi_operand_object **object, + struct acpi_walk_state *walk_state); - return (AE_OK); -} +void * +acpi_ds_obj_stack_get_value ( + u32 index, + struct acpi_walk_state *walk_state); +#endif +#ifdef ACPI_FUTURE_USAGE /******************************************************************************* * @@ -178,7 +142,6 @@ acpi_ds_result_remove ( #endif /* ACPI_FUTURE_USAGE */ - /******************************************************************************* * * FUNCTION: acpi_ds_result_pop @@ -227,15 +190,18 @@ acpi_ds_result_pop ( *object = state->results.obj_desc [index -1]; state->results.obj_desc [index -1] = NULL; - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Index=%X State=%p Num=%X\n", - *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL", + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Obj=%p [%s] Index=%X State=%p Num=%X\n", + *object, + (*object) ? acpi_ut_get_object_type_name (*object) : "NULL", (u32) index -1, walk_state, state->results.num_results)); return (AE_OK); } } - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "No result objects! State=%p\n", walk_state)); return (AE_AML_NO_RETURN_VALUE); } @@ -274,7 +240,8 @@ acpi_ds_result_pop_from_bottom ( } if (!state->results.num_results) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", + walk_state)); return (AE_AML_NO_RETURN_VALUE); } @@ -293,7 +260,8 @@ acpi_ds_result_pop_from_bottom ( /* Check for a valid result object */ if (!*object) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null operand! State=%p #Ops=%X, Index=%X\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Null operand! State=%p #Ops=%X, Index=%X\n", walk_state, state->results.num_results, (u32) index)); return (AE_AML_NO_RETURN_VALUE); } @@ -344,7 +312,8 @@ acpi_ds_result_push ( } if (!object) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Object! Obj=%p State=%p Num=%X\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Null Object! Obj=%p State=%p Num=%X\n", object, walk_state, state->results.num_results)); return (AE_BAD_PARAMETER); } @@ -439,43 +408,6 @@ acpi_ds_result_stack_pop ( /******************************************************************************* * - * FUNCTION: acpi_ds_obj_stack_delete_all - * - * PARAMETERS: walk_state - Current Walk state - * - * RETURN: Status - * - * DESCRIPTION: Clear the object stack by deleting all objects that are on it. - * Should be used with great care, if at all! - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE -acpi_status -acpi_ds_obj_stack_delete_all ( - struct acpi_walk_state *walk_state) -{ - u32 i; - - - ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state); - - - /* The stack size is configurable, but fixed */ - - for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) { - if (walk_state->operands[i]) { - acpi_ut_remove_reference (walk_state->operands[i]); - walk_state->operands[i] = NULL; - } - } - - return_ACPI_STATUS (AE_OK); -} -#endif /* ACPI_FUTURE_USAGE */ - - -/******************************************************************************* - * * FUNCTION: acpi_ds_obj_stack_push * * PARAMETERS: Object - Object to push @@ -517,67 +449,6 @@ acpi_ds_obj_stack_push ( } -#if 0 -/******************************************************************************* - * - * FUNCTION: acpi_ds_obj_stack_pop_object - * - * PARAMETERS: pop_count - Number of objects/entries to pop - * walk_state - Current Walk state - * - * RETURN: Status - * - * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT - * deleted by this routine. - * - ******************************************************************************/ - -acpi_status -acpi_ds_obj_stack_pop_object ( - union acpi_operand_object **object, - struct acpi_walk_state *walk_state) -{ - ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object"); - - - /* Check for stack underflow */ - - if (walk_state->num_operands == 0) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Missing operand/stack empty! State=%p #Ops=%X\n", - walk_state, walk_state->num_operands)); - *object = NULL; - return (AE_AML_NO_OPERAND); - } - - /* Pop the stack */ - - walk_state->num_operands--; - - /* Check for a valid operand */ - - if (!walk_state->operands [walk_state->num_operands]) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Null operand! State=%p #Ops=%X\n", - walk_state, walk_state->num_operands)); - *object = NULL; - return (AE_AML_NO_OPERAND); - } - - /* Get operand and set stack entry to null */ - - *object = walk_state->operands [walk_state->num_operands]; - walk_state->operands [walk_state->num_operands] = NULL; - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n", - *object, acpi_ut_get_object_type_name (*object), - walk_state, walk_state->num_operands)); - - return (AE_OK); -} -#endif - - /******************************************************************************* * * FUNCTION: acpi_ds_obj_stack_pop @@ -680,48 +551,6 @@ acpi_ds_obj_stack_pop_and_delete ( /******************************************************************************* * - * FUNCTION: acpi_ds_obj_stack_get_value - * - * PARAMETERS: Index - Stack index whose value is desired. Based - * on the top of the stack (index=0 == top) - * walk_state - Current Walk state - * - * RETURN: Status - * - * DESCRIPTION: Retrieve an object from this walk's object stack. Index must - * be within the range of the current stack pointer. - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE -void * -acpi_ds_obj_stack_get_value ( - u32 index, - struct acpi_walk_state *walk_state) -{ - - ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state); - - - /* Can't do it if the stack is empty */ - - if (walk_state->num_operands == 0) { - return_PTR (NULL); - } - - /* or if the index is past the top of the stack */ - - if (index > (walk_state->num_operands - (u32) 1)) { - return_PTR (NULL); - } - - return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) - - index]); -} -#endif /* ACPI_FUTURE_USAGE */ - - -/******************************************************************************* - * * FUNCTION: acpi_ds_get_current_walk_state * * PARAMETERS: Thread - Get current active state for this Thread @@ -757,11 +586,11 @@ acpi_ds_get_current_walk_state ( * FUNCTION: acpi_ds_push_walk_state * * PARAMETERS: walk_state - State to push - * walk_list - The list that owns the walk stack + * Thread - Thread state object * * RETURN: None * - * DESCRIPTION: Place the walk_state at the head of the state list. + * DESCRIPTION: Place the Thread state at the head of the state list. * ******************************************************************************/ @@ -784,9 +613,9 @@ acpi_ds_push_walk_state ( * * FUNCTION: acpi_ds_pop_walk_state * - * PARAMETERS: walk_list - The list that owns the walk stack + * PARAMETERS: Thread - Current thread state * - * RETURN: A walk_state object popped from the stack + * RETURN: A walk_state object popped from the thread's stack * * DESCRIPTION: Remove and return the walkstate object that is at the head of * the walk stack for the given walk list. NULL indicates that @@ -814,7 +643,7 @@ acpi_ds_pop_walk_state ( /* * Don't clear the NEXT field, this serves as an indicator * that there is a parent WALK STATE - * NO: walk_state->Next = NULL; + * Do Not: walk_state->Next = NULL; */ } @@ -826,7 +655,9 @@ acpi_ds_pop_walk_state ( * * FUNCTION: acpi_ds_create_walk_state * - * PARAMETERS: Origin - Starting point for this walk + * PARAMETERS: owner_id - ID for object creation + * Origin - Starting point for this walk + * mth_desc - Method object * Thread - Current thread state * * RETURN: Pointer to the new walk state. @@ -896,8 +727,7 @@ acpi_ds_create_walk_state ( * method_node - Control method NS node, if any * aml_start - Start of AML * aml_length - Length of AML - * Params - Method args, if any - * return_obj_desc - Where to store a return object, if any + * Info - Method info block (params, etc.) * pass_number - 1, 2, or 3 * * RETURN: Status @@ -931,7 +761,7 @@ acpi_ds_init_aml_walk ( /* The next_op of the next_walk will be the beginning of the method */ - walk_state->next_op = NULL; + walk_state->next_op = NULL; if (info) { if (info->parameter_type == ACPI_PARAM_GPE) { @@ -939,8 +769,8 @@ acpi_ds_init_aml_walk ( info->parameters); } else { - walk_state->params = info->parameters; - walk_state->caller_return_desc = &info->return_object; + walk_state->params = info->parameters; + walk_state->caller_return_desc = &info->return_object; } } @@ -964,7 +794,8 @@ acpi_ds_init_aml_walk ( /* Init the method arguments */ - status = acpi_ds_method_data_init_args (walk_state->params, ACPI_METHOD_NUM_ARGS, walk_state); + status = acpi_ds_method_data_init_args (walk_state->params, + ACPI_METHOD_NUM_ARGS, walk_state); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -1031,12 +862,14 @@ acpi_ds_delete_walk_state ( } if (walk_state->data_type != ACPI_DESC_TYPE_WALK) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n", walk_state)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n", + walk_state)); return; } if (walk_state->parser_state.scope) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", walk_state)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", + walk_state)); } /* Always must free any linked control states */ @@ -1078,7 +911,7 @@ acpi_ds_delete_walk_state ( * * PARAMETERS: None * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Purge the global state object cache. Used during subsystem * termination. @@ -1098,3 +931,200 @@ acpi_ds_delete_walk_state_cache ( #endif +#ifdef ACPI_OBSOLETE_FUNCTIONS +/******************************************************************************* + * + * FUNCTION: acpi_ds_result_insert + * + * PARAMETERS: Object - Object to push + * Index - Where to insert the object + * walk_state - Current Walk state + * + * RETURN: Status + * + * DESCRIPTION: Insert an object onto this walk's result stack + * + ******************************************************************************/ + +acpi_status +acpi_ds_result_insert ( + void *object, + u32 index, + struct acpi_walk_state *walk_state) +{ + union acpi_generic_state *state; + + + ACPI_FUNCTION_NAME ("ds_result_insert"); + + + state = walk_state->results; + if (!state) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n", + walk_state)); + return (AE_NOT_EXIST); + } + + if (index >= ACPI_OBJ_NUM_OPERANDS) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Index out of range: %X Obj=%p State=%p Num=%X\n", + index, object, walk_state, state->results.num_results)); + return (AE_BAD_PARAMETER); + } + + if (!object) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Null Object! Index=%X Obj=%p State=%p Num=%X\n", + index, object, walk_state, state->results.num_results)); + return (AE_BAD_PARAMETER); + } + + state->results.obj_desc [index] = object; + state->results.num_results++; + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Obj=%p [%s] State=%p Num=%X Cur=%X\n", + object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL", + walk_state, state->results.num_results, walk_state->current_result)); + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ds_obj_stack_delete_all + * + * PARAMETERS: walk_state - Current Walk state + * + * RETURN: Status + * + * DESCRIPTION: Clear the object stack by deleting all objects that are on it. + * Should be used with great care, if at all! + * + ******************************************************************************/ + +acpi_status +acpi_ds_obj_stack_delete_all ( + struct acpi_walk_state *walk_state) +{ + u32 i; + + + ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state); + + + /* The stack size is configurable, but fixed */ + + for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) { + if (walk_state->operands[i]) { + acpi_ut_remove_reference (walk_state->operands[i]); + walk_state->operands[i] = NULL; + } + } + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ds_obj_stack_pop_object + * + * PARAMETERS: Object - Where to return the popped object + * walk_state - Current Walk state + * + * RETURN: Status + * + * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT + * deleted by this routine. + * + ******************************************************************************/ + +acpi_status +acpi_ds_obj_stack_pop_object ( + union acpi_operand_object **object, + struct acpi_walk_state *walk_state) +{ + ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object"); + + + /* Check for stack underflow */ + + if (walk_state->num_operands == 0) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Missing operand/stack empty! State=%p #Ops=%X\n", + walk_state, walk_state->num_operands)); + *object = NULL; + return (AE_AML_NO_OPERAND); + } + + /* Pop the stack */ + + walk_state->num_operands--; + + /* Check for a valid operand */ + + if (!walk_state->operands [walk_state->num_operands]) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Null operand! State=%p #Ops=%X\n", + walk_state, walk_state->num_operands)); + *object = NULL; + return (AE_AML_NO_OPERAND); + } + + /* Get operand and set stack entry to null */ + + *object = walk_state->operands [walk_state->num_operands]; + walk_state->operands [walk_state->num_operands] = NULL; + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n", + *object, acpi_ut_get_object_type_name (*object), + walk_state, walk_state->num_operands)); + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ds_obj_stack_get_value + * + * PARAMETERS: Index - Stack index whose value is desired. Based + * on the top of the stack (index=0 == top) + * walk_state - Current Walk state + * + * RETURN: Pointer to the requested operand + * + * DESCRIPTION: Retrieve an object from this walk's operand stack. Index must + * be within the range of the current stack pointer. + * + ******************************************************************************/ + +void * +acpi_ds_obj_stack_get_value ( + u32 index, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state); + + + /* Can't do it if the stack is empty */ + + if (walk_state->num_operands == 0) { + return_PTR (NULL); + } + + /* or if the index is past the top of the stack */ + + if (index > (walk_state->num_operands - (u32) 1)) { + return_PTR (NULL); + } + + return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) - + index]); +} +#endif + + diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index fdf143b405be..8e665f2e3138 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -31,6 +31,7 @@ #include <linux/delay.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/interrupt.h> #include <asm/io.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> @@ -49,17 +50,19 @@ ACPI_MODULE_NAME ("acpi_ec") #define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */ #define ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */ +#define ACPI_EC_FLAG_BURST 0x10 /* burst mode */ #define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */ #define ACPI_EC_EVENT_OBF 0x01 /* Output buffer full */ #define ACPI_EC_EVENT_IBE 0x02 /* Input buffer empty */ -#define ACPI_EC_UDELAY 100 /* Poll @ 100us increments */ -#define ACPI_EC_UDELAY_COUNT 1000 /* Wait 10ms max. during EC ops */ +#define ACPI_EC_DELAY 50 /* Wait 50ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ #define ACPI_EC_COMMAND_READ 0x80 #define ACPI_EC_COMMAND_WRITE 0x81 +#define ACPI_EC_BURST_ENABLE 0x82 +#define ACPI_EC_BURST_DISABLE 0x83 #define ACPI_EC_COMMAND_QUERY 0x84 static int acpi_ec_add (struct acpi_device *device); @@ -87,7 +90,11 @@ struct acpi_ec { struct acpi_generic_address command_addr; struct acpi_generic_address data_addr; unsigned long global_lock; - spinlock_t lock; + unsigned int expect_event; + atomic_t leaving_burst; /* 0 : No, 1 : Yes, 2: abort*/ + atomic_t pending_gpe; + struct semaphore sem; + wait_queue_head_t wait; }; /* If we find an EC via the ECDT, we need to keep a ptr to its context */ @@ -100,42 +107,122 @@ static struct acpi_device *first_ec; Transaction Management -------------------------------------------------------------------------- */ -static int -acpi_ec_wait ( - struct acpi_ec *ec, - u8 event) +static inline u32 acpi_ec_read_status(struct acpi_ec *ec) { - u32 acpi_ec_status = 0; - u32 i = ACPI_EC_UDELAY_COUNT; + u32 status = 0; - if (!ec) - return -EINVAL; + acpi_hw_low_level_read(8, &status, &ec->status_addr); + return status; +} + +static int acpi_ec_wait(struct acpi_ec *ec, unsigned int event) +{ + int result = 0; + + ACPI_FUNCTION_TRACE("acpi_ec_wait"); - /* Poll the EC status register waiting for the event to occur. */ + ec->expect_event = event; + smp_mb(); + + result = wait_event_interruptible_timeout(ec->wait, + !ec->expect_event, + msecs_to_jiffies(ACPI_EC_DELAY)); + + ec->expect_event = 0; + smp_mb(); + + if (result < 0){ + ACPI_DEBUG_PRINT((ACPI_DB_ERROR," result = %d ", result)); + return_VALUE(result); + } + + /* + * Verify that the event in question has actually happened by + * querying EC status. Do the check even if operation timed-out + * to make sure that we did not miss interrupt. + */ switch (event) { case ACPI_EC_EVENT_OBF: - do { - acpi_hw_low_level_read(8, &acpi_ec_status, &ec->status_addr); - if (acpi_ec_status & ACPI_EC_FLAG_OBF) - return 0; - udelay(ACPI_EC_UDELAY); - } while (--i>0); + if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_OBF) + return_VALUE(0); break; + case ACPI_EC_EVENT_IBE: - do { - acpi_hw_low_level_read(8, &acpi_ec_status, &ec->status_addr); - if (!(acpi_ec_status & ACPI_EC_FLAG_IBF)) - return 0; - udelay(ACPI_EC_UDELAY); - } while (--i>0); + if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) + return_VALUE(0); break; - default: - return -EINVAL; } - return -ETIME; + return_VALUE(-ETIME); +} + + + +static int +acpi_ec_enter_burst_mode ( + struct acpi_ec *ec) +{ + u32 tmp = 0; + int status = 0; + + ACPI_FUNCTION_TRACE("acpi_ec_enter_burst_mode"); + + status = acpi_ec_read_status(ec); + if (status != -EINVAL && + !(status & ACPI_EC_FLAG_BURST)){ + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"entering burst mode \n")); + acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr); + status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); + if (status){ + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR," status = %d\n", status)); + return_VALUE(-EINVAL); + } + acpi_hw_low_level_read(8, &tmp, &ec->data_addr); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + if(tmp != 0x90 ) {/* Burst ACK byte*/ + ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"Ack failed \n")); + return_VALUE(-EINVAL); + } + } else + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in burst mode \n")); + atomic_set(&ec->leaving_burst , 0); + return_VALUE(0); } +static int +acpi_ec_leave_burst_mode ( + struct acpi_ec *ec) +{ + int status =0; + + ACPI_FUNCTION_TRACE("acpi_ec_leave_burst_mode"); + + atomic_set(&ec->leaving_burst , 1); + status = acpi_ec_read_status(ec); + if (status != -EINVAL && + (status & ACPI_EC_FLAG_BURST)){ + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n")); + acpi_hw_low_level_write(8, ACPI_EC_BURST_DISABLE, &ec->command_addr); + status = acpi_ec_wait(ec, ACPI_EC_FLAG_IBF); + if (status){ + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->wait fail\n")); + return_VALUE(-EINVAL); + } + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + status = acpi_ec_read_status(ec); + if (status != -EINVAL && + (status & ACPI_EC_FLAG_BURST)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR,"------->status fail\n")); + return_VALUE(-EINVAL); + } + }else + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"already be in Non-burst mode \n")); + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"leaving burst mode\n")); + + return_VALUE(0); +} static int acpi_ec_read ( @@ -143,16 +230,15 @@ acpi_ec_read ( u8 address, u32 *data) { - acpi_status status = AE_OK; - int result = 0; - unsigned long flags = 0; - u32 glk = 0; + int status = 0; + u32 glk; ACPI_FUNCTION_TRACE("acpi_ec_read"); if (!ec || !data) return_VALUE(-EINVAL); +retry: *data = 0; if (ec->global_lock) { @@ -160,32 +246,50 @@ acpi_ec_read ( if (ACPI_FAILURE(status)) return_VALUE(-ENODEV); } - - spin_lock_irqsave(&ec->lock, flags); + + WARN_ON(in_interrupt()); + down(&ec->sem); + + if(acpi_ec_enter_burst_mode(ec)) + goto end; acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ, &ec->command_addr); - result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); - if (result) + status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + if (status) { goto end; + } acpi_hw_low_level_write(8, address, &ec->data_addr); - result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); - if (result) + status= acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); + if (status){ + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); goto end; - + } acpi_hw_low_level_read(8, data, &ec->data_addr); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Read [%02x] from address [%02x]\n", *data, address)); - + end: - spin_unlock_irqrestore(&ec->lock, flags); + acpi_ec_leave_burst_mode(ec); + up(&ec->sem); if (ec->global_lock) acpi_release_global_lock(glk); - return_VALUE(result); + if(atomic_read(&ec->leaving_burst) == 2){ + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n")); + while(atomic_read(&ec->pending_gpe)){ + msleep(1); + } + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + goto retry; + } + + return_VALUE(status); } @@ -195,49 +299,80 @@ acpi_ec_write ( u8 address, u8 data) { - int result = 0; - acpi_status status = AE_OK; - unsigned long flags = 0; - u32 glk = 0; + int status = 0; + u32 glk; + u32 tmp; ACPI_FUNCTION_TRACE("acpi_ec_write"); if (!ec) return_VALUE(-EINVAL); - +retry: if (ec->global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) return_VALUE(-ENODEV); } - spin_lock_irqsave(&ec->lock, flags); + WARN_ON(in_interrupt()); + down(&ec->sem); + + if(acpi_ec_enter_burst_mode(ec)) + goto end; + + status = acpi_ec_read_status(ec); + if (status != -EINVAL && + !(status & ACPI_EC_FLAG_BURST)){ + acpi_hw_low_level_write(8, ACPI_EC_BURST_ENABLE, &ec->command_addr); + status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); + if (status) + goto end; + acpi_hw_low_level_read(8, &tmp, &ec->data_addr); + if(tmp != 0x90 ) /* Burst ACK byte*/ + goto end; + } + /*Now we are in burst mode*/ acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE, &ec->command_addr); - result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); - if (result) + status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + if (status){ goto end; + } acpi_hw_low_level_write(8, address, &ec->data_addr); - result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); - if (result) + status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); + if (status){ + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); goto end; + } acpi_hw_low_level_write(8, data, &ec->data_addr); - result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); - if (result) + status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + if (status) goto end; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Wrote [%02x] to address [%02x]\n", data, address)); end: - spin_unlock_irqrestore(&ec->lock, flags); + acpi_ec_leave_burst_mode(ec); + up(&ec->sem); if (ec->global_lock) acpi_release_global_lock(glk); - return_VALUE(result); + if(atomic_read(&ec->leaving_burst) == 2){ + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n")); + while(atomic_read(&ec->pending_gpe)){ + msleep(1); + } + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + goto retry; + } + + return_VALUE(status); } /* @@ -289,16 +424,13 @@ acpi_ec_query ( struct acpi_ec *ec, u32 *data) { - int result = 0; - acpi_status status = AE_OK; - unsigned long flags = 0; - u32 glk = 0; + int status = 0; + u32 glk; ACPI_FUNCTION_TRACE("acpi_ec_query"); if (!ec || !data) return_VALUE(-EINVAL); - *data = 0; if (ec->global_lock) { @@ -307,29 +439,39 @@ acpi_ec_query ( return_VALUE(-ENODEV); } + down(&ec->sem); + if(acpi_ec_enter_burst_mode(ec)) + goto end; /* * Query the EC to find out which _Qxx method we need to evaluate. * Note that successful completion of the query causes the ACPI_EC_SCI * bit to be cleared (and thus clearing the interrupt source). */ - spin_lock_irqsave(&ec->lock, flags); - acpi_hw_low_level_write(8, ACPI_EC_COMMAND_QUERY, &ec->command_addr); - result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); - if (result) + status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); + if (status){ + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); goto end; - + } + acpi_hw_low_level_read(8, data, &ec->data_addr); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); if (!*data) - result = -ENODATA; + status = -ENODATA; end: - spin_unlock_irqrestore(&ec->lock, flags); + acpi_ec_leave_burst_mode(ec); + up(&ec->sem); if (ec->global_lock) acpi_release_global_lock(glk); - return_VALUE(result); + if(atomic_read(&ec->leaving_burst) == 2){ + ACPI_DEBUG_PRINT((ACPI_DB_INFO,"aborted, retry ...\n")); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + status = -ENODATA; + } + return_VALUE(status); } @@ -347,42 +489,29 @@ acpi_ec_gpe_query ( void *ec_cxt) { struct acpi_ec *ec = (struct acpi_ec *) ec_cxt; - u32 value = 0; - unsigned long flags = 0; + u32 value; + int result = -ENODATA; static char object_name[5] = {'_','Q','0','0','\0'}; const char hex[] = {'0','1','2','3','4','5','6','7', '8','9','A','B','C','D','E','F'}; ACPI_FUNCTION_TRACE("acpi_ec_gpe_query"); - if (!ec_cxt) - goto end; - - spin_lock_irqsave(&ec->lock, flags); - acpi_hw_low_level_read(8, &value, &ec->command_addr); - spin_unlock_irqrestore(&ec->lock, flags); + if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_SCI) + result = acpi_ec_query(ec, &value); - /* TBD: Implement asynch events! - * NOTE: All we care about are EC-SCI's. Other EC events are - * handled via polling (yuck!). This is because some systems - * treat EC-SCIs as level (versus EDGE!) triggered, preventing - * a purely interrupt-driven approach (grumble, grumble). - */ - if (!(value & ACPI_EC_FLAG_SCI)) + if (result) goto end; - if (acpi_ec_query(ec, &value)) - goto end; - object_name[2] = hex[((value >> 4) & 0x0F)]; object_name[3] = hex[(value & 0x0F)]; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluating %s\n", object_name)); acpi_evaluate_object(ec->handle, object_name, NULL, NULL); - -end: - acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); +end: + atomic_dec(&ec->pending_gpe); + return; } static u32 @@ -390,6 +519,7 @@ acpi_ec_gpe_handler ( void *data) { acpi_status status = AE_OK; + u32 value; struct acpi_ec *ec = (struct acpi_ec *) data; if (!ec) @@ -397,13 +527,41 @@ acpi_ec_gpe_handler ( acpi_disable_gpe(NULL, ec->gpe_bit, ACPI_ISR); - status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE, - acpi_ec_gpe_query, ec); + value = acpi_ec_read_status(ec); - if (status == AE_OK) - return ACPI_INTERRUPT_HANDLED; - else - return ACPI_INTERRUPT_NOT_HANDLED; + if((value & ACPI_EC_FLAG_IBF) && + !(value & ACPI_EC_FLAG_BURST) && + (atomic_read(&ec->leaving_burst) == 0)) { + /* + * the embedded controller disables + * burst mode for any reason other + * than the burst disable command + * to process critical event. + */ + atomic_set(&ec->leaving_burst , 2); /* block current pending transaction + and retry */ + wake_up(&ec->wait); + }else { + if ((ec->expect_event == ACPI_EC_EVENT_OBF && + (value & ACPI_EC_FLAG_OBF)) || + (ec->expect_event == ACPI_EC_EVENT_IBE && + !(value & ACPI_EC_FLAG_IBF))) { + ec->expect_event = 0; + wake_up(&ec->wait); + return ACPI_INTERRUPT_HANDLED; + } + } + + if (value & ACPI_EC_FLAG_SCI){ + atomic_add(1, &ec->pending_gpe) ; + status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE, + acpi_ec_gpe_query, ec); + return status == AE_OK ? + ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED; + } + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_ISR); + return status == AE_OK ? + ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED; } /* -------------------------------------------------------------------------- @@ -421,10 +579,8 @@ acpi_ec_space_setup ( * The EC object is in the handler context and is needed * when calling the acpi_ec_space_handler. */ - if(function == ACPI_REGION_DEACTIVATE) - *return_context = NULL; - else - *return_context = handler_context; + *return_context = (function != ACPI_REGION_DEACTIVATE) ? + handler_context : NULL; return AE_OK; } @@ -441,7 +597,7 @@ acpi_ec_space_handler ( { int result = 0; struct acpi_ec *ec = NULL; - u32 temp = 0; + u64 temp = *value; acpi_integer f_v = 0; int i = 0; @@ -450,10 +606,9 @@ acpi_ec_space_handler ( if ((address > 0xFF) || !value || !handler_context) return_VALUE(AE_BAD_PARAMETER); - if(bit_width != 8) { + if (bit_width != 8 && acpi_strict) { printk(KERN_WARNING PREFIX "acpi_ec_space_handler: bit_width should be 8\n"); - if (acpi_strict) - return_VALUE(AE_BAD_PARAMETER); + return_VALUE(AE_BAD_PARAMETER); } ec = (struct acpi_ec *) handler_context; @@ -461,11 +616,11 @@ acpi_ec_space_handler ( next_byte: switch (function) { case ACPI_READ: - result = acpi_ec_read(ec, (u8) address, &temp); - *value = (acpi_integer) temp; + temp = 0; + result = acpi_ec_read(ec, (u8) address, (u32 *)&temp); break; case ACPI_WRITE: - result = acpi_ec_write(ec, (u8) address, (u8) *value); + result = acpi_ec_write(ec, (u8) address, (u8) temp); break; default: result = -EINVAL; @@ -474,19 +629,18 @@ next_byte: } bit_width -= 8; - if(bit_width){ - - if(function == ACPI_READ) - f_v |= (acpi_integer) (*value) << 8*i; - if(function == ACPI_WRITE) - (*value) >>=8; + if (bit_width) { + if (function == ACPI_READ) + f_v |= temp << 8 * i; + if (function == ACPI_WRITE) + temp >>= 8; i++; + address++; goto next_byte; } - - if(function == ACPI_READ){ - f_v |= (acpi_integer) (*value) << 8*i; + if (function == ACPI_READ) { + f_v |= temp << 8 * i; *value = f_v; } @@ -505,8 +659,6 @@ out: default: return_VALUE(AE_OK); } - - } @@ -533,6 +685,7 @@ acpi_ec_read_info (struct seq_file *seq, void *offset) (u32) ec->status_addr.address, (u32) ec->data_addr.address); seq_printf(seq, "use global lock: %s\n", ec->global_lock?"yes":"no"); + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); end: return_VALUE(0); @@ -555,7 +708,7 @@ static int acpi_ec_add_fs ( struct acpi_device *device) { - struct proc_dir_entry *entry = NULL; + struct proc_dir_entry *entry; ACPI_FUNCTION_TRACE("acpi_ec_add_fs"); @@ -606,9 +759,9 @@ static int acpi_ec_add ( struct acpi_device *device) { - int result = 0; - acpi_status status = AE_OK; - struct acpi_ec *ec = NULL; + int result; + acpi_status status; + struct acpi_ec *ec; unsigned long uid; ACPI_FUNCTION_TRACE("acpi_ec_add"); @@ -623,7 +776,10 @@ acpi_ec_add ( ec->handle = device->handle; ec->uid = -1; - spin_lock_init(&ec->lock); + atomic_set(&ec->pending_gpe, 0); + atomic_set(&ec->leaving_burst , 1); + init_MUTEX(&ec->sem); + init_waitqueue_head(&ec->wait); strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_EC_CLASS); acpi_driver_data(device) = ec; @@ -637,7 +793,7 @@ acpi_ec_add ( if (ec_ecdt && ec_ecdt->uid == uid) { acpi_remove_address_space_handler(ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_EC, &acpi_ec_space_handler); - + acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit, &acpi_ec_gpe_handler); kfree(ec_ecdt); @@ -677,7 +833,7 @@ acpi_ec_remove ( struct acpi_device *device, int type) { - struct acpi_ec *ec = NULL; + struct acpi_ec *ec; ACPI_FUNCTION_TRACE("acpi_ec_remove"); @@ -732,8 +888,8 @@ static int acpi_ec_start ( struct acpi_device *device) { - acpi_status status = AE_OK; - struct acpi_ec *ec = NULL; + acpi_status status; + struct acpi_ec *ec; ACPI_FUNCTION_TRACE("acpi_ec_start"); @@ -789,8 +945,8 @@ acpi_ec_stop ( struct acpi_device *device, int type) { - acpi_status status = AE_OK; - struct acpi_ec *ec = NULL; + acpi_status status; + struct acpi_ec *ec; ACPI_FUNCTION_TRACE("acpi_ec_stop"); @@ -832,7 +988,6 @@ acpi_fake_ecdt_callback ( status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec_ecdt->gpe_bit); if (ACPI_FAILURE(status)) return status; - spin_lock_init(&ec_ecdt->lock); ec_ecdt->global_lock = TRUE; ec_ecdt->handle = handle; @@ -890,7 +1045,7 @@ acpi_ec_get_real_ecdt(void) acpi_status status; struct acpi_table_ecdt *ecdt_ptr; - status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING, + status = acpi_get_firmware_table("ECDT", 1, ACPI_LOGICAL_ADDRESSING, (struct acpi_table_header **) &ecdt_ptr); if (ACPI_FAILURE(status)) return -ENODEV; @@ -905,11 +1060,12 @@ acpi_ec_get_real_ecdt(void) return -ENOMEM; memset(ec_ecdt, 0, sizeof(struct acpi_ec)); + init_MUTEX(&ec_ecdt->sem); + init_waitqueue_head(&ec_ecdt->wait); ec_ecdt->command_addr = ecdt_ptr->ec_control; ec_ecdt->status_addr = ecdt_ptr->ec_control; ec_ecdt->data_addr = ecdt_ptr->ec_data; ec_ecdt->gpe_bit = ecdt_ptr->gpe_bit; - spin_lock_init(&ec_ecdt->lock); /* use the GL just to be safe */ ec_ecdt->global_lock = TRUE; ec_ecdt->uid = ecdt_ptr->uid; @@ -978,7 +1134,7 @@ error: static int __init acpi_ec_init (void) { - int result = 0; + int result; ACPI_FUNCTION_TRACE("acpi_ec_init"); diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c index 2a213604ae51..dd3a72a869f4 100644 --- a/drivers/acpi/events/evevent.c +++ b/drivers/acpi/events/evevent.c @@ -47,6 +47,16 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME ("evevent") +/* Local prototypes */ + +static acpi_status +acpi_ev_fixed_event_initialize ( + void); + +static u32 +acpi_ev_fixed_event_dispatch ( + u32 event); + /******************************************************************************* * @@ -56,7 +66,7 @@ * * RETURN: Status * - * DESCRIPTION: Initialize global data structures for events. + * DESCRIPTION: Initialize global data structures for ACPI events (Fixed, GPE) * ******************************************************************************/ @@ -78,9 +88,9 @@ acpi_ev_initialize_events ( } /* - * Initialize the Fixed and General Purpose Events. This is - * done prior to enabling SCIs to prevent interrupts from - * occurring before handers are installed. + * Initialize the Fixed and General Purpose Events. This is done prior to + * enabling SCIs to prevent interrupts from occurring before the handlers are + * installed. */ status = acpi_ev_fixed_event_initialize (); if (ACPI_FAILURE (status)) { @@ -161,7 +171,7 @@ acpi_ev_install_xrupt_handlers ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ev_fixed_event_initialize ( void) { @@ -180,7 +190,8 @@ acpi_ev_fixed_event_initialize ( /* Enable the fixed event */ if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) { - status = acpi_set_register (acpi_gbl_fixed_event_info[i].enable_register_id, + status = acpi_set_register ( + acpi_gbl_fixed_event_info[i].enable_register_id, 0, ACPI_MTX_LOCK); if (ACPI_FAILURE (status)) { return (status); @@ -200,7 +211,7 @@ acpi_ev_fixed_event_initialize ( * * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED * - * DESCRIPTION: Checks the PM status register for fixed events + * DESCRIPTION: Checks the PM status register for active fixed events * ******************************************************************************/ @@ -221,8 +232,10 @@ acpi_ev_fixed_event_detect ( * Read the fixed feature status and enable registers, as all the cases * depend on their values. Ignore errors here. */ - (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, &fixed_status); - (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE, &fixed_enable); + (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, + &fixed_status); + (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE, + &fixed_enable); ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS, "Fixed Event Block: Enable %08X Status %08X\n", @@ -259,7 +272,7 @@ acpi_ev_fixed_event_detect ( * ******************************************************************************/ -u32 +static u32 acpi_ev_fixed_event_dispatch ( u32 event) { diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index 118d72ac7c76..081120b109ba 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -48,6 +48,12 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME ("evgpe") +/* Local prototypes */ + +static void ACPI_SYSTEM_XFACE +acpi_ev_asynch_execute_gpe_method ( + void *context); + /******************************************************************************* * @@ -335,8 +341,10 @@ acpi_ev_get_gpe_event_info ( gpe_block = acpi_gbl_gpe_fadt_blocks[i]; if (gpe_block) { if ((gpe_number >= gpe_block->block_base_number) && - (gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) { - return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]); + (gpe_number < gpe_block->block_base_number + + (gpe_block->register_count * 8))) { + return (&gpe_block->event_info[gpe_number - + gpe_block->block_base_number]); } } } @@ -437,7 +445,7 @@ acpi_ev_gpe_detect ( "Read GPE Register at GPE%X: Status=%02X, Enable=%02X\n", gpe_register_info->base_gpe_number, status_reg, enable_reg)); - /* First check if there is anything active at all in this register */ + /* Check if there is anything active at all in this register */ enabled_status_byte = (u8) (status_reg & enable_reg); if (!enabled_status_byte) { @@ -457,8 +465,8 @@ acpi_ev_gpe_detect ( * or method. */ int_status |= acpi_ev_gpe_dispatch ( - &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j], - (u32) j + gpe_register_info->base_gpe_number); + &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j], + (u32) j + gpe_register_info->base_gpe_number); } } } @@ -523,7 +531,8 @@ acpi_ev_asynch_execute_gpe_method ( * Take a snapshot of the GPE info for this level - we copy the * info to prevent a race condition with remove_handler/remove_block. */ - ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info, sizeof (struct acpi_gpe_event_info)); + ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info, + sizeof (struct acpi_gpe_event_info)); status = acpi_ut_release_mutex (ACPI_MTX_EVENTS); if (ACPI_FAILURE (status)) { @@ -534,7 +543,8 @@ acpi_ev_asynch_execute_gpe_method ( * Must check for control method type dispatch one more * time to avoid race with ev_gpe_install_handler */ - if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) { + if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == + ACPI_GPE_DISPATCH_METHOD) { /* * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx * control method that corresponds to this GPE @@ -553,7 +563,8 @@ acpi_ev_asynch_execute_gpe_method ( } } - if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) { + if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) == + ACPI_GPE_LEVEL_TRIGGERED) { /* * GPE is level-triggered, we clear the GPE status bit after * handling the event. @@ -575,7 +586,7 @@ acpi_ev_asynch_execute_gpe_method ( * * FUNCTION: acpi_ev_gpe_dispatch * - * PARAMETERS: gpe_event_info - info for this GPE + * PARAMETERS: gpe_event_info - Info for this GPE * gpe_number - Number relative to the parent GPE block * * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED @@ -602,10 +613,12 @@ acpi_ev_gpe_dispatch ( * If edge-triggered, clear the GPE status bit now. Note that * level-triggered events are cleared after the GPE is serviced. */ - if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED) { + if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == + ACPI_GPE_EDGE_TRIGGERED) { status = acpi_hw_clear_gpe (gpe_event_info); if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n", + ACPI_REPORT_ERROR (( + "acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n", acpi_format_exception (status), gpe_number)); return_VALUE (ACPI_INTERRUPT_NOT_HANDLED); } @@ -639,7 +652,8 @@ acpi_ev_gpe_dispatch ( /* It is now safe to clear level-triggered events. */ - if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) { + if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == + ACPI_GPE_LEVEL_TRIGGERED) { status = acpi_hw_clear_gpe (gpe_event_info); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (( @@ -704,7 +718,6 @@ acpi_ev_gpe_dispatch ( #ifdef ACPI_GPE_NOTIFY_CHECK - /******************************************************************************* * TBD: NOT USED, PROTOTYPE ONLY AND WILL PROBABLY BE REMOVED * diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c index 00d981f53c6a..84186a7d17b2 100644 --- a/drivers/acpi/events/evgpeblk.c +++ b/drivers/acpi/events/evgpeblk.c @@ -48,6 +48,39 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME ("evgpeblk") +/* Local prototypes */ + +static acpi_status +acpi_ev_save_method_info ( + acpi_handle obj_handle, + u32 level, + void *obj_desc, + void **return_value); + +static acpi_status +acpi_ev_match_prw_and_gpe ( + acpi_handle obj_handle, + u32 level, + void *info, + void **return_value); + +static struct acpi_gpe_xrupt_info * +acpi_ev_get_gpe_xrupt_block ( + u32 interrupt_level); + +static acpi_status +acpi_ev_delete_gpe_xrupt ( + struct acpi_gpe_xrupt_info *gpe_xrupt); + +static acpi_status +acpi_ev_install_gpe_block ( + struct acpi_gpe_block_info *gpe_block, + u32 interrupt_level); + +static acpi_status +acpi_ev_create_gpe_info_blocks ( + struct acpi_gpe_block_info *gpe_block); + /******************************************************************************* * @@ -155,7 +188,7 @@ unlock_and_exit: } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ev_delete_gpe_handlers * @@ -190,7 +223,8 @@ acpi_ev_delete_gpe_handlers ( for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { gpe_event_info = &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j]; - if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) { + if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == + ACPI_GPE_DISPATCH_HANDLER) { ACPI_MEM_FREE (gpe_event_info->dispatch.handler); gpe_event_info->dispatch.handler = NULL; gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; @@ -471,7 +505,7 @@ acpi_ev_get_gpe_xrupt_block ( ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block"); - /* No need for spin lock since we are not changing any list elements here */ + /* No need for lock since we are not changing any list elements here */ next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head; while (next_gpe_xrupt) { @@ -619,7 +653,7 @@ acpi_ev_install_gpe_block ( goto unlock_and_exit; } - /* Install the new block at the end of the list for this interrupt with lock */ + /* Install the new block at the end of the list with lock */ acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); if (gpe_xrupt_block->gpe_block_list_head) { @@ -756,10 +790,12 @@ acpi_ev_create_gpe_info_blocks ( * per register. Initialization to zeros is sufficient. */ gpe_event_info = ACPI_MEM_CALLOCATE ( - ((acpi_size) gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) * + ((acpi_size) gpe_block->register_count * + ACPI_GPE_REGISTER_WIDTH) * sizeof (struct acpi_gpe_event_info)); if (!gpe_event_info) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the gpe_event_info table\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Could not allocate the gpe_event_info table\n")); status = AE_NO_MEMORY; goto error_exit; } @@ -899,7 +935,8 @@ acpi_ev_create_gpe_block ( gpe_block->block_base_number = gpe_block_base_number; gpe_block->node = gpe_device; - ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address, sizeof (struct acpi_generic_address)); + ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address, + sizeof (struct acpi_generic_address)); /* Create the register_info and event_info sub-structures */ @@ -1061,8 +1098,9 @@ acpi_ev_gpe_initialize ( /* Install GPE Block 0 */ - status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, &acpi_gbl_FADT->xgpe0_blk, - register_count0, 0, acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[0]); + status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, + &acpi_gbl_FADT->xgpe0_blk, register_count0, 0, + acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[0]); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (( @@ -1094,8 +1132,9 @@ acpi_ev_gpe_initialize ( else { /* Install GPE Block 1 */ - status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, &acpi_gbl_FADT->xgpe1_blk, - register_count1, acpi_gbl_FADT->gpe1_base, + status = acpi_ev_create_gpe_block (acpi_gbl_fadt_gpe_device, + &acpi_gbl_FADT->xgpe1_blk, register_count1, + acpi_gbl_FADT->gpe1_base, acpi_gbl_FADT->sci_int, &acpi_gbl_gpe_fadt_blocks[1]); if (ACPI_FAILURE (status)) { @@ -1109,7 +1148,7 @@ acpi_ev_gpe_initialize ( * space. However, GPE0 always starts at GPE number zero. */ gpe_number_max = acpi_gbl_FADT->gpe1_base + - ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1); + ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1); } } diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 2548efa7a45f..659e90956112 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -50,6 +50,35 @@ ACPI_MODULE_NAME ("evmisc") +#ifdef ACPI_DEBUG_OUTPUT +static const char *acpi_notify_value_names[] = +{ + "Bus Check", + "Device Check", + "Device Wake", + "Eject request", + "Device Check Light", + "Frequency Mismatch", + "Bus Mode Mismatch", + "Power Fault" +}; +#endif + +/* Local prototypes */ + +static void ACPI_SYSTEM_XFACE +acpi_ev_notify_dispatch ( + void *context); + +static void ACPI_SYSTEM_XFACE +acpi_ev_global_lock_thread ( + void *context); + +static u32 +acpi_ev_global_lock_handler ( + void *context); + + /******************************************************************************* * * FUNCTION: acpi_ev_is_notify_object @@ -98,20 +127,6 @@ acpi_ev_is_notify_object ( * ******************************************************************************/ -#ifdef ACPI_DEBUG_OUTPUT -static const char *acpi_notify_value_names[] = -{ - "Bus Check", - "Device Check", - "Device Wake", - "Eject request", - "Device Check Light", - "Frequency Mismatch", - "Bus Mode Mismatch", - "Power Fault" -}; -#endif - acpi_status acpi_ev_queue_notify_request ( struct acpi_namespace_node *node, @@ -128,9 +143,10 @@ acpi_ev_queue_notify_request ( /* * For value 3 (Ejection Request), some device method may need to be run. - * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need to be run. + * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need + * to be run. * For value 0x80 (Status Change) on the power button or sleep button, - * initiate soft-off or sleep operation? + * initiate soft-off or sleep operation? */ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Dispatching Notify(%X) on node %p\n", notify_value, node)); @@ -140,8 +156,9 @@ acpi_ev_queue_notify_request ( acpi_notify_value_names[notify_value])); } else { - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Notify value: 0x%2.2X **Device Specific**\n", - notify_value)); + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, + "Notify value: 0x%2.2X **Device Specific**\n", + notify_value)); } /* Get the notify object attached to the NS Node */ @@ -210,7 +227,7 @@ acpi_ev_queue_notify_request ( * * FUNCTION: acpi_ev_notify_dispatch * - * PARAMETERS: Context - To be passsed to the notify handler + * PARAMETERS: Context - To be passed to the notify handler * * RETURN: None. * @@ -219,7 +236,7 @@ acpi_ev_queue_notify_request ( * ******************************************************************************/ -void ACPI_SYSTEM_XFACE +static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch ( void *context) { @@ -234,7 +251,8 @@ acpi_ev_notify_dispatch ( /* * We will invoke a global notify handler if installed. - * This is done _before_ we invoke the per-device handler attached to the device. + * This is done _before_ we invoke the per-device handler attached + * to the device. */ if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) { /* Global system notification handler */ @@ -256,15 +274,17 @@ acpi_ev_notify_dispatch ( /* Invoke the system handler first, if present */ if (global_handler) { - global_handler (notify_info->notify.node, notify_info->notify.value, global_context); + global_handler (notify_info->notify.node, notify_info->notify.value, + global_context); } /* Now invoke the per-device handler, if present */ handler_obj = notify_info->notify.handler_obj; if (handler_obj) { - handler_obj->notify.handler (notify_info->notify.node, notify_info->notify.value, - handler_obj->notify.context); + handler_obj->notify.handler (notify_info->notify.node, + notify_info->notify.value, + handler_obj->notify.context); } /* All done with the info object */ @@ -370,7 +390,8 @@ acpi_ev_global_lock_handler ( ******************************************************************************/ acpi_status -acpi_ev_init_global_lock_handler (void) +acpi_ev_init_global_lock_handler ( + void) { acpi_status status; @@ -380,7 +401,7 @@ acpi_ev_init_global_lock_handler (void) acpi_gbl_global_lock_present = TRUE; status = acpi_install_fixed_event_handler (ACPI_EVENT_GLOBAL, - acpi_ev_global_lock_handler, NULL); + acpi_ev_global_lock_handler, NULL); /* * If the global lock does not exist on this platform, the attempt @@ -433,8 +454,10 @@ acpi_ev_acquire_global_lock ( acpi_gbl_global_lock_thread_count++; - /* If we (OS side vs. BIOS side) have the hardware lock already, we are done */ - + /* + * If we (OS side vs. BIOS side) have the hardware lock already, + * we are done + */ if (acpi_gbl_global_lock_acquired) { return_ACPI_STATUS (AE_OK); } @@ -480,7 +503,8 @@ acpi_ev_acquire_global_lock ( ******************************************************************************/ acpi_status -acpi_ev_release_global_lock (void) +acpi_ev_release_global_lock ( + void) { u8 pending = FALSE; acpi_status status = AE_OK; @@ -490,7 +514,8 @@ acpi_ev_release_global_lock (void) if (!acpi_gbl_global_lock_thread_count) { - ACPI_REPORT_WARNING(("Cannot release HW Global Lock, it has not been acquired\n")); + ACPI_REPORT_WARNING(( + "Cannot release HW Global Lock, it has not been acquired\n")); return_ACPI_STATUS (AE_NOT_ACQUIRED); } @@ -515,7 +540,8 @@ acpi_ev_release_global_lock (void) * register */ if (pending) { - status = acpi_set_register (ACPI_BITREG_GLOBAL_LOCK_RELEASE, 1, ACPI_MTX_LOCK); + status = acpi_set_register (ACPI_BITREG_GLOBAL_LOCK_RELEASE, + 1, ACPI_MTX_LOCK); } return_ACPI_STATUS (status); @@ -535,7 +561,8 @@ acpi_ev_release_global_lock (void) ******************************************************************************/ void -acpi_ev_terminate (void) +acpi_ev_terminate ( + void) { acpi_native_uint i; acpi_status status; @@ -555,7 +582,8 @@ acpi_ev_terminate (void) for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { status = acpi_disable_event ((u32) i, 0); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not disable fixed event %d\n", (u32) i)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Could not disable fixed event %d\n", (u32) i)); } } @@ -567,7 +595,8 @@ acpi_ev_terminate (void) status = acpi_ev_remove_sci_handler (); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not remove SCI handler\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Could not remove SCI handler\n")); } } diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index 772342708a7a..a1d7276c5742 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -58,6 +58,22 @@ static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPA ACPI_ADR_SPACE_PCI_CONFIG, ACPI_ADR_SPACE_DATA_TABLE}; +/* Local prototypes */ + +static acpi_status +acpi_ev_reg_run ( + acpi_handle obj_handle, + u32 level, + void *context, + void **return_value); + +static acpi_status +acpi_ev_install_handler ( + acpi_handle obj_handle, + u32 level, + void *context, + void **return_value); + /******************************************************************************* * @@ -179,8 +195,8 @@ acpi_ev_initialize_op_regions ( * * FUNCTION: acpi_ev_execute_reg_method * - * PARAMETERS: region_obj - Object structure - * Function - Passed to _REG: On (1) or Off (0) + * PARAMETERS: region_obj - Region object + * Function - Passed to _REG: On (1) or Off (0) * * RETURN: Status * @@ -323,14 +339,16 @@ acpi_ev_address_space_dispatch ( if (!region_setup) { /* No initialization routine, exit with error */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No init routine for region(%p) [%s]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "No init routine for region(%p) [%s]\n", region_obj, acpi_ut_get_region_name (region_obj->region.space_id))); return_ACPI_STATUS (AE_NOT_EXIST); } /* - * We must exit the interpreter because the region setup will potentially - * execute control methods (e.g., _REG method for this region) + * We must exit the interpreter because the region + * setup will potentially execute control methods + * (e.g., _REG method for this region) */ acpi_ex_exit_interpreter (); @@ -621,7 +639,7 @@ acpi_ev_attach_region ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ev_install_handler ( acpi_handle obj_handle, u32 level, @@ -848,7 +866,8 @@ acpi_ev_install_space_handler ( if (handler_obj->address_space.handler == handler) { /* * It is (relatively) OK to attempt to install the SAME - * handler twice. This can easily happen with PCI_Config space. + * handler twice. This can easily happen + * with PCI_Config space. */ status = AE_SAME_HANDLER; goto unlock_and_exit; @@ -1011,7 +1030,7 @@ acpi_ev_execute_reg_methods ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ev_reg_run ( acpi_handle obj_handle, u32 level, diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index 4983a3378be5..95bc09c73a6a 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -61,7 +61,7 @@ * * RETURN: Status * - * DESCRIPTION: Do any prep work for region handling, a nop for now + * DESCRIPTION: Setup a system_memory operation region * ******************************************************************************/ @@ -115,7 +115,7 @@ acpi_ev_system_memory_region_setup ( * * RETURN: Status * - * DESCRIPTION: Do any prep work for region handling + * DESCRIPTION: Setup a IO operation region * ******************************************************************************/ @@ -144,14 +144,14 @@ acpi_ev_io_space_region_setup ( * * FUNCTION: acpi_ev_pci_config_region_setup * - * PARAMETERS: Handle - Region we are interested in + * PARAMETERS: Handle - Region we are interested in * Function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * * RETURN: Status * - * DESCRIPTION: Do any prep work for region handling + * DESCRIPTION: Setup a PCI_Config operation region * * MUTEX: Assumes namespace is not locked * @@ -324,7 +324,7 @@ acpi_ev_pci_config_region_setup ( * * RETURN: Status * - * DESCRIPTION: Do any prep work for region handling + * DESCRIPTION: Setup a pci_bAR operation region * * MUTEX: Assumes namespace is not locked * @@ -355,7 +355,7 @@ acpi_ev_pci_bar_region_setup ( * * RETURN: Status * - * DESCRIPTION: Do any prep work for region handling + * DESCRIPTION: Setup a CMOS operation region * * MUTEX: Assumes namespace is not locked * @@ -386,7 +386,7 @@ acpi_ev_cmos_region_setup ( * * RETURN: Status * - * DESCRIPTION: Do any prep work for region handling + * DESCRIPTION: Default region initialization * ******************************************************************************/ diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c index 46b31995c827..f3123c26ae98 100644 --- a/drivers/acpi/events/evsci.c +++ b/drivers/acpi/events/evsci.c @@ -49,6 +49,12 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME ("evsci") +/* Local prototypes */ + +static u32 ACPI_SYSTEM_XFACE +acpi_ev_sci_xrupt_handler ( + void *context); + /******************************************************************************* * @@ -146,7 +152,8 @@ acpi_ev_gpe_xrupt_handler ( ******************************************************************************/ u32 -acpi_ev_install_sci_handler (void) +acpi_ev_install_sci_handler ( + void) { u32 status = AE_OK; @@ -180,7 +187,8 @@ acpi_ev_install_sci_handler (void) ******************************************************************************/ acpi_status -acpi_ev_remove_sci_handler (void) +acpi_ev_remove_sci_handler ( + void) { acpi_status status; diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c index 0bfec10a5f1e..4092d47f6758 100644 --- a/drivers/acpi/events/evxface.c +++ b/drivers/acpi/events/evxface.c @@ -64,6 +64,7 @@ * DESCRIPTION: Saves the pointer to the handler function * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_install_exception_handler ( @@ -457,7 +458,8 @@ acpi_remove_notify_handler ( /* Root Object */ if (device == ACPI_ROOT_OBJECT) { - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Removing notify handler for ROOT object.\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, + "Removing notify handler for ROOT object.\n")); if (((handler_type & ACPI_SYSTEM_NOTIFY) && !acpi_gbl_system_notify.handler) || @@ -564,8 +566,9 @@ EXPORT_SYMBOL(acpi_remove_notify_handler); * * FUNCTION: acpi_install_gpe_handler * - * PARAMETERS: gpe_number - The GPE number within the GPE block - * gpe_block - GPE block (NULL == FADT GPEs) + * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT + * defined GPEs) + * gpe_number - The GPE number within the GPE block * Type - Whether this GPE should be treated as an * edge- or level-triggered interrupt. * Address - Address of the handler @@ -662,8 +665,9 @@ EXPORT_SYMBOL(acpi_install_gpe_handler); * * FUNCTION: acpi_remove_gpe_handler * - * PARAMETERS: gpe_number - The event to remove a handler - * gpe_block - GPE block (NULL == FADT GPEs) + * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT + * defined GPEs) + * gpe_number - The event to remove a handler * Address - Address of the handler * * RETURN: Status @@ -766,7 +770,8 @@ EXPORT_SYMBOL(acpi_remove_gpe_handler); * FUNCTION: acpi_acquire_global_lock * * PARAMETERS: Timeout - How long the caller is willing to wait - * out_handle - A handle to the lock if acquired + * Handle - Where the handle to the lock is returned + * (if acquired) * * RETURN: Status * @@ -812,7 +817,7 @@ EXPORT_SYMBOL(acpi_acquire_global_lock); * * RETURN: Status * - * DESCRIPTION: Release the ACPI Global Lock + * DESCRIPTION: Release the ACPI Global Lock. The handle must be valid. * ******************************************************************************/ diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index fa8d5f25be62..f337dc2cc569 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -64,7 +64,8 @@ ******************************************************************************/ acpi_status -acpi_enable (void) +acpi_enable ( + void) { acpi_status status = AE_OK; @@ -91,7 +92,8 @@ acpi_enable (void) return_ACPI_STATUS (status); } - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "Transition to ACPI mode successful\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_INIT, + "Transition to ACPI mode successful\n")); } return_ACPI_STATUS (status); @@ -106,12 +108,13 @@ acpi_enable (void) * * RETURN: Status * - * DESCRIPTION: Transfers the system into LEGACY mode. + * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode. * ******************************************************************************/ acpi_status -acpi_disable (void) +acpi_disable ( + void) { acpi_status status = AE_OK; @@ -125,7 +128,8 @@ acpi_disable (void) } if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) { - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "System is already in legacy (non-ACPI) mode\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_INIT, + "System is already in legacy (non-ACPI) mode\n")); } else { /* Transition to LEGACY mode */ @@ -133,7 +137,8 @@ acpi_disable (void) status = acpi_hw_set_mode (ACPI_SYS_MODE_LEGACY); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not exit ACPI mode to legacy mode")); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Could not exit ACPI mode to legacy mode")); return_ACPI_STATUS (status); } @@ -214,7 +219,7 @@ EXPORT_SYMBOL(acpi_enable_event); * * RETURN: Status * - * DESCRIPTION: Enable an ACPI event (general purpose) + * DESCRIPTION: Set the type of an individual GPE * ******************************************************************************/ @@ -519,13 +524,12 @@ unlock_and_exit: #ifdef ACPI_FUTURE_USAGE - /******************************************************************************* * * FUNCTION: acpi_get_event_status * * PARAMETERS: Event - The fixed event - * Event Status - Where the current status of the event will + * event_status - Where the current status of the event will * be returned * * RETURN: Status @@ -571,7 +575,7 @@ acpi_get_event_status ( * PARAMETERS: gpe_device - Parent GPE Device * gpe_number - GPE level within the GPE block * Flags - Called from an ISR or not - * Event Status - Where the current status of the event will + * event_status - Where the current status of the event will * be returned * * RETURN: Status @@ -775,4 +779,5 @@ unlock_and_exit: (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); return_ACPI_STATUS (status); } + EXPORT_SYMBOL(acpi_remove_gpe_block); diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index ac3c061967f2..734b2f24af48 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -54,6 +54,14 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exconfig") +/* Local prototypes */ + +static acpi_status +acpi_ex_add_table ( + struct acpi_table_header *table, + struct acpi_namespace_node *parent_node, + union acpi_operand_object **ddb_handle); + /******************************************************************************* * @@ -70,7 +78,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_add_table ( struct acpi_table_header *table, struct acpi_namespace_node *parent_node, @@ -95,10 +103,10 @@ acpi_ex_add_table ( ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc)); - table_info.type = ACPI_TABLE_SSDT; - table_info.pointer = table; - table_info.length = (acpi_size) table->length; - table_info.allocation = ACPI_MEM_ALLOCATED; + table_info.type = ACPI_TABLE_SSDT; + table_info.pointer = table; + table_info.length = (acpi_size) table->length; + table_info.allocation = ACPI_MEM_ALLOCATED; status = acpi_tb_install_table (&table_info); if (ACPI_FAILURE (status)) { @@ -226,11 +234,10 @@ acpi_ex_load_table_op ( start_node = parent_node; } - /* - * Find the node referenced by the parameter_path_string - */ + /* Find the node referenced by the parameter_path_string */ + status = acpi_ns_get_node_by_path (operand[4]->string.pointer, start_node, - ACPI_NS_SEARCH_PARENT, ¶meter_node); + ACPI_NS_SEARCH_PARENT, ¶meter_node); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -248,7 +255,8 @@ acpi_ex_load_table_op ( if (parameter_node) { /* Store the parameter data into the optional parameter object */ - status = acpi_ex_store (operand[5], ACPI_CAST_PTR (union acpi_operand_object, parameter_node), + status = acpi_ex_store (operand[5], + ACPI_CAST_PTR (union acpi_operand_object, parameter_node), walk_state); if (ACPI_FAILURE (status)) { (void) acpi_ex_unload_table (ddb_handle); @@ -371,7 +379,8 @@ acpi_ex_load_op ( goto cleanup; } - table_ptr = ACPI_CAST_PTR (struct acpi_table_header, buffer_desc->buffer.pointer); + table_ptr = ACPI_CAST_PTR (struct acpi_table_header, + buffer_desc->buffer.pointer); /* Sanity check the table length */ diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c index df7ba1219bf6..97856c48bd74 100644 --- a/drivers/acpi/executer/exconvrt.c +++ b/drivers/acpi/executer/exconvrt.c @@ -50,6 +50,15 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exconvrt") +/* Local prototypes */ + +static u32 +acpi_ex_convert_to_ascii ( + acpi_integer integer, + u16 base, + u8 *string, + u8 max_length); + /******************************************************************************* * @@ -115,9 +124,8 @@ acpi_ex_convert_to_integer ( */ result = 0; - /* - * String conversion is different than Buffer conversion - */ + /* String conversion is different than Buffer conversion */ + switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_STRING: @@ -168,9 +176,8 @@ acpi_ex_convert_to_integer ( break; } - /* - * Create a new integer - */ + /* Create a new integer */ + return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); if (!return_desc) { return_ACPI_STATUS (AE_NO_MEMORY); @@ -251,7 +258,8 @@ acpi_ex_convert_to_buffer ( * ASL/AML code that depends on the null being transferred to the new * buffer. */ - return_desc = acpi_ut_create_buffer_object ((acpi_size) obj_desc->string.length + 1); + return_desc = acpi_ut_create_buffer_object ( + (acpi_size) obj_desc->string.length + 1); if (!return_desc) { return_ACPI_STATUS (AE_NO_MEMORY); } @@ -291,7 +299,7 @@ acpi_ex_convert_to_buffer ( * ******************************************************************************/ -u32 +static u32 acpi_ex_convert_to_ascii ( acpi_integer integer, u16 base, @@ -357,8 +365,9 @@ acpi_ex_convert_to_ascii ( case 16: - hex_length = ACPI_MUL_2 (data_width); /* 2 ascii hex chars per data byte */ + /* hex_length: 2 ascii hex chars per data byte */ + hex_length = ACPI_MUL_2 (data_width); for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) { /* Get one hex digit, most significant digits first */ @@ -475,7 +484,7 @@ acpi_ex_convert_to_string ( /* Setup string length, base, and separator */ switch (type) { - case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string operator */ + case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */ /* * From ACPI: "If Data is a buffer, it is converted to a string of * decimal values separated by commas." @@ -509,7 +518,7 @@ acpi_ex_convert_to_string ( string_length = (obj_desc->buffer.length * 3); break; - case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string operator */ + case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */ /* * From ACPI: "If Data is a buffer, it is converted to a string of * hexadecimal values separated by commas." @@ -530,9 +539,8 @@ acpi_ex_convert_to_string ( return_ACPI_STATUS (AE_AML_STRING_LIMIT); } - /* - * Create a new string object and string buffer - */ + /* Create a new string object and string buffer */ + return_desc = acpi_ut_create_string_object ((acpi_size) string_length); if (!return_desc) { return_ACPI_STATUS (AE_NO_MEMORY); @@ -551,8 +559,10 @@ acpi_ex_convert_to_string ( *new_buf++ = separator; /* each separated by a comma or space */ } - /* Null terminate the string (overwrites final comma/space from above) */ - + /* + * Null terminate the string + * (overwrites final comma/space from above) + */ new_buf--; *new_buf = 0; break; @@ -645,7 +655,6 @@ acpi_ex_convert_to_target_type ( case ACPI_TYPE_STRING: - /* * The operand must be a String. We can convert an * Integer or Buffer if necessary @@ -656,7 +665,6 @@ acpi_ex_convert_to_target_type ( case ACPI_TYPE_BUFFER: - /* * The operand must be a Buffer. We can convert an * Integer or String if necessary diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index d94c260dac6d..812cdcb2e370 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -55,7 +55,7 @@ #ifndef ACPI_NO_METHOD_EXECUTION -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_alias * @@ -65,7 +65,7 @@ * * DESCRIPTION: Create a new named alias * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_alias ( @@ -140,8 +140,7 @@ acpi_ex_create_alias ( * target node or the alias Node */ status = acpi_ns_attach_object (alias_node, - acpi_ns_get_attached_object (target_node), - target_node->type); + acpi_ns_get_attached_object (target_node), target_node->type); break; } @@ -151,7 +150,7 @@ acpi_ex_create_alias ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_event * @@ -161,7 +160,7 @@ acpi_ex_create_alias ( * * DESCRIPTION: Create a new event object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_event ( @@ -185,7 +184,7 @@ acpi_ex_create_event ( * that the event is created in an unsignalled state */ status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, - &obj_desc->event.semaphore); + &obj_desc->event.semaphore); if (ACPI_FAILURE (status)) { goto cleanup; } @@ -193,7 +192,7 @@ acpi_ex_create_event ( /* Attach object to the Node */ status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0], - obj_desc, ACPI_TYPE_EVENT); + obj_desc, ACPI_TYPE_EVENT); cleanup: /* @@ -205,7 +204,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_mutex * @@ -217,7 +216,7 @@ cleanup: * * Mutex (Name[0], sync_level[1]) * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_mutex ( @@ -267,20 +266,20 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_region * * PARAMETERS: aml_start - Pointer to the region declaration AML * aml_length - Max length of the declaration AML - * Operands - List of operands for the opcode + * region_space - space_iD for the region * walk_state - Current state * * RETURN: Status * * DESCRIPTION: Create a new operation region object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_region ( @@ -321,7 +320,7 @@ acpi_ex_create_region ( } ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n", - acpi_ut_get_region_name (region_space), region_space)); + acpi_ut_get_region_name (region_space), region_space)); /* Create the region descriptor */ @@ -360,7 +359,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_table_region * @@ -370,7 +369,7 @@ cleanup: * * DESCRIPTION: Create a new data_table_region object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_table_region ( @@ -455,7 +454,7 @@ cleanup: } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_processor * @@ -467,7 +466,7 @@ cleanup: * * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_processor ( @@ -488,9 +487,8 @@ acpi_ex_create_processor ( return_ACPI_STATUS (AE_NO_MEMORY); } - /* - * Initialize the processor object from the operands - */ + /* Initialize the processor object from the operands */ + obj_desc->processor.proc_id = (u8) operand[1]->integer.value; obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value; obj_desc->processor.length = (u8) operand[3]->integer.value; @@ -507,7 +505,7 @@ acpi_ex_create_processor ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_create_power_resource * @@ -519,7 +517,7 @@ acpi_ex_create_processor ( * * power_resource (Name[0], system_level[1], resource_order[2]) * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_power_resource ( @@ -555,10 +553,10 @@ acpi_ex_create_power_resource ( acpi_ut_remove_reference (obj_desc); return_ACPI_STATUS (status); } - #endif -/***************************************************************************** + +/******************************************************************************* * * FUNCTION: acpi_ex_create_method * @@ -570,7 +568,7 @@ acpi_ex_create_power_resource ( * * DESCRIPTION: Create a new method object * - ****************************************************************************/ + ******************************************************************************/ acpi_status acpi_ex_create_method ( diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index e2f7c32f28de..408500648114 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -51,23 +51,48 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exdump") +/* Local prototypes */ + +#ifdef ACPI_FUTURE_USAGE +static void +acpi_ex_out_string ( + char *title, + char *value); + +static void +acpi_ex_out_pointer ( + char *title, + void *value); + +static void +acpi_ex_out_integer ( + char *title, + u32 value); + +static void +acpi_ex_out_address ( + char *title, + acpi_physical_address value); +#endif /* ACPI_FUTURE_USAGE */ + /* * The following routines are used for debug output only */ #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_operand * - * PARAMETERS: *obj_desc - Pointer to entry to be dumped + * PARAMETERS: *obj_desc - Pointer to entry to be dumped + * Depth - Current nesting depth * * RETURN: None * * DESCRIPTION: Dump an operand object * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_operand ( @@ -86,9 +111,8 @@ acpi_ex_dump_operand ( } if (!obj_desc) { - /* - * This could be a null element of a package - */ + /* This could be a null element of a package */ + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Null Object Descriptor\n")); return; } @@ -117,6 +141,8 @@ acpi_ex_dump_operand ( ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p ", obj_desc)); } + /* Decode object type */ + switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_LOCAL_REFERENCE: @@ -274,7 +300,9 @@ acpi_ex_dump_operand ( case ACPI_TYPE_STRING: acpi_os_printf ("String length %X @ %p ", - obj_desc->string.length, obj_desc->string.pointer); + obj_desc->string.length, + obj_desc->string.pointer); + acpi_ut_print_string (obj_desc->string.pointer, ACPI_UINT8_MAX); acpi_os_printf ("\n"); break; @@ -290,10 +318,13 @@ acpi_ex_dump_operand ( acpi_os_printf ( "region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n", - obj_desc->field.bit_length, obj_desc->field.access_byte_width, + obj_desc->field.bit_length, + obj_desc->field.access_byte_width, obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK, obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK, - obj_desc->field.base_byte_offset, obj_desc->field.start_field_bit_offset); + obj_desc->field.base_byte_offset, + obj_desc->field.start_field_bit_offset); + acpi_ex_dump_operand (obj_desc->field.region_obj, depth+1); break; @@ -308,13 +339,15 @@ acpi_ex_dump_operand ( acpi_os_printf ( "buffer_field: %X bits at byte %X bit %X of \n", - obj_desc->buffer_field.bit_length, obj_desc->buffer_field.base_byte_offset, + obj_desc->buffer_field.bit_length, + obj_desc->buffer_field.base_byte_offset, obj_desc->buffer_field.start_field_bit_offset); if (!obj_desc->buffer_field.buffer_obj) { ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*NULL* \n")); } - else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) != ACPI_TYPE_BUFFER) { + else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) != + ACPI_TYPE_BUFFER) { acpi_os_printf ("*not a Buffer* \n"); } else { @@ -331,10 +364,10 @@ acpi_ex_dump_operand ( case ACPI_TYPE_METHOD: - acpi_os_printf ( - "Method(%X) @ %p:%X\n", + acpi_os_printf ("Method(%X) @ %p:%X\n", obj_desc->method.param_count, - obj_desc->method.aml_start, obj_desc->method.aml_length); + obj_desc->method.aml_start, + obj_desc->method.aml_length); break; @@ -379,7 +412,7 @@ acpi_ex_dump_operand ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_operands * @@ -393,7 +426,7 @@ acpi_ex_dump_operand ( * * DESCRIPTION: Dump the object stack * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_operands ( @@ -441,10 +474,9 @@ acpi_ex_dump_operands ( #ifdef ACPI_FUTURE_USAGE - -/***************************************************************************** +/******************************************************************************* * - * FUNCTION: acpi_ex_out* + * FUNCTION: acpi_ex_out* functions * * PARAMETERS: Title - Descriptive text * Value - Value to be displayed @@ -453,9 +485,9 @@ acpi_ex_dump_operands ( * reduce the number of format strings required and keeps them * all in one place for easy modification. * - ****************************************************************************/ + ******************************************************************************/ -void +static void acpi_ex_out_string ( char *title, char *value) @@ -463,7 +495,7 @@ acpi_ex_out_string ( acpi_os_printf ("%20s : %s\n", title, value); } -void +static void acpi_ex_out_pointer ( char *title, void *value) @@ -471,7 +503,7 @@ acpi_ex_out_pointer ( acpi_os_printf ("%20s : %p\n", title, value); } -void +static void acpi_ex_out_integer ( char *title, u32 value) @@ -479,7 +511,7 @@ acpi_ex_out_integer ( acpi_os_printf ("%20s : %X\n", title, value); } -void +static void acpi_ex_out_address ( char *title, acpi_physical_address value) @@ -493,16 +525,16 @@ acpi_ex_out_address ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_node * * PARAMETERS: *Node - Descriptor to dump - * Flags - Force display + * Flags - Force display if TRUE * * DESCRIPTION: Dumps the members of the given.Node * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_node ( @@ -531,16 +563,16 @@ acpi_ex_dump_node ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ex_dump_object_descriptor * * PARAMETERS: *Object - Descriptor to dump - * Flags - Force display + * Flags - Force display if TRUE * * DESCRIPTION: Dumps the members of the object descriptor given. * - ****************************************************************************/ + ******************************************************************************/ void acpi_ex_dump_object_descriptor ( @@ -553,6 +585,10 @@ acpi_ex_dump_object_descriptor ( ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor"); + if (!obj_desc) { + return_VOID; + } + if (!flags) { if (!((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) { return_VOID; @@ -747,11 +783,17 @@ acpi_ex_dump_object_descriptor ( case ACPI_TYPE_LOCAL_REFERENCE: acpi_ex_out_integer ("target_type", obj_desc->reference.target_type); - acpi_ex_out_string ("Opcode", (acpi_ps_get_opcode_info (obj_desc->reference.opcode))->name); + acpi_ex_out_string ("Opcode", (acpi_ps_get_opcode_info ( + obj_desc->reference.opcode))->name); acpi_ex_out_integer ("Offset", obj_desc->reference.offset); acpi_ex_out_pointer ("obj_desc", obj_desc->reference.object); acpi_ex_out_pointer ("Node", obj_desc->reference.node); acpi_ex_out_pointer ("Where", obj_desc->reference.where); + + if (obj_desc->reference.object) { + acpi_os_printf ("\nReferenced Object:\n"); + acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags); + } break; @@ -788,6 +830,5 @@ acpi_ex_dump_object_descriptor ( } #endif /* ACPI_FUTURE_USAGE */ - #endif diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c index be7f2124fa02..22c8fa480f60 100644 --- a/drivers/acpi/executer/exfield.c +++ b/drivers/acpi/executer/exfield.c @@ -120,8 +120,8 @@ acpi_ex_read_data_from_field ( * Note: Smbus protocol value is passed in upper 16-bits of Function */ status = acpi_ex_access_region (obj_desc, 0, - ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer), - ACPI_READ | (obj_desc->field.attribute << 16)); + ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer), + ACPI_READ | (obj_desc->field.attribute << 16)); acpi_ex_release_global_lock (locked); goto exit; } @@ -196,6 +196,7 @@ exit: * * PARAMETERS: source_desc - Contains data to write * obj_desc - The named field + * result_desc - Where the return value is returned, if any * * RETURN: Status * @@ -250,12 +251,15 @@ acpi_ex_write_data_to_field ( if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) { ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n", acpi_ut_get_object_type_name (source_desc))); + return_ACPI_STATUS (AE_AML_OPERAND_TYPE); } if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) { - ACPI_REPORT_ERROR (("SMBus write requires Buffer of length %X, found length %X\n", + ACPI_REPORT_ERROR (( + "SMBus write requires Buffer of length %X, found length %X\n", ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length)); + return_ACPI_STATUS (AE_AML_BUFFER_LIMIT); } @@ -265,14 +269,16 @@ acpi_ex_write_data_to_field ( } buffer = buffer_desc->buffer.pointer; - ACPI_MEMCPY (buffer, source_desc->buffer.pointer, ACPI_SMBUS_BUFFER_SIZE); + ACPI_MEMCPY (buffer, source_desc->buffer.pointer, + ACPI_SMBUS_BUFFER_SIZE); /* Lock entire transaction if requested */ locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags); /* - * Perform the write (returns status and perhaps data in the same buffer) + * Perform the write (returns status and perhaps data in the + * same buffer) * Note: SMBus protocol type is passed in upper 16-bits of Function. */ status = acpi_ex_access_region (obj_desc, 0, @@ -284,9 +290,8 @@ acpi_ex_write_data_to_field ( return_ACPI_STATUS (status); } - /* - * Get a pointer to the data to be written - */ + /* Get a pointer to the data to be written */ + switch (ACPI_GET_OBJECT_TYPE (source_desc)) { case ACPI_TYPE_INTEGER: buffer = &source_desc->integer.value; @@ -314,7 +319,8 @@ acpi_ex_write_data_to_field ( * the ACPI specification. */ new_buffer = NULL; - required_length = ACPI_ROUND_BITS_UP_TO_BYTES (obj_desc->common_field.bit_length); + required_length = ACPI_ROUND_BITS_UP_TO_BYTES ( + obj_desc->common_field.bit_length); if (length < required_length) { /* We need to create a new buffer */ @@ -338,6 +344,7 @@ acpi_ex_write_data_to_field ( "field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n", source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)), ACPI_GET_OBJECT_TYPE (source_desc), buffer, length)); + ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n", obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)), diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index 9d0f9d2e9061..3c2f89e00f78 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -52,12 +52,31 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exfldio") +/* Local prototypes */ + +static acpi_status +acpi_ex_field_datum_io ( + union acpi_operand_object *obj_desc, + u32 field_datum_byte_offset, + acpi_integer *value, + u32 read_write); + +static u8 +acpi_ex_register_overflow ( + union acpi_operand_object *obj_desc, + acpi_integer value); + +static acpi_status +acpi_ex_setup_region ( + union acpi_operand_object *obj_desc, + u32 field_datum_byte_offset); + /******************************************************************************* * * FUNCTION: acpi_ex_setup_region * - * PARAMETERS: *obj_desc - Field to be read or written + * PARAMETERS: obj_desc - Field to be read or written * field_datum_byte_offset - Byte offset of this datum within the * parent field * @@ -69,7 +88,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_setup_region ( union acpi_operand_object *obj_desc, u32 field_datum_byte_offset) @@ -127,9 +146,9 @@ acpi_ex_setup_region ( * length of one field datum (access width) must fit within the region. * (Region length is specified in bytes) */ - if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset - + field_datum_byte_offset - + obj_desc->common_field.access_byte_width)) { + if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset + + field_datum_byte_offset + + obj_desc->common_field.access_byte_width)) { if (acpi_gbl_enable_interpreter_slack) { /* * Slack mode only: We will go ahead and allow access to this @@ -155,7 +174,8 @@ acpi_ex_setup_region ( "Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)\n", acpi_ut_get_node_name (obj_desc->common_field.node), obj_desc->common_field.access_byte_width, - acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length)); + acpi_ut_get_node_name (rgn_desc->region.node), + rgn_desc->region.length)); } /* @@ -167,7 +187,8 @@ acpi_ex_setup_region ( acpi_ut_get_node_name (obj_desc->common_field.node), obj_desc->common_field.base_byte_offset, field_datum_byte_offset, obj_desc->common_field.access_byte_width, - acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length)); + acpi_ut_get_node_name (rgn_desc->region.node), + rgn_desc->region.length)); return_ACPI_STATUS (AE_AML_REGION_LIMIT); } @@ -180,10 +201,10 @@ acpi_ex_setup_region ( * * FUNCTION: acpi_ex_access_region * - * PARAMETERS: *obj_desc - Field to be read + * PARAMETERS: obj_desc - Field to be read * field_datum_byte_offset - Byte offset of this datum within the * parent field - * *Value - Where to store value (must at least + * Value - Where to store value (must at least * the size of acpi_integer) * Function - Read or Write flag plus other region- * dependent flags @@ -226,9 +247,9 @@ acpi_ex_access_region ( * 3) The current offset into the field */ rgn_desc = obj_desc->common_field.region_obj; - address = rgn_desc->region.address - + obj_desc->common_field.base_byte_offset - + field_datum_byte_offset; + address = rgn_desc->region.address + + obj_desc->common_field.base_byte_offset + + field_datum_byte_offset; if ((function & ACPI_IO_MASK) == ACPI_READ) { ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "[READ]")); @@ -249,7 +270,8 @@ acpi_ex_access_region ( /* Invoke the appropriate address_space/op_region handler */ status = acpi_ev_address_space_dispatch (rgn_desc, function, - address, ACPI_MUL_8 (obj_desc->common_field.access_byte_width), value); + address, + ACPI_MUL_8 (obj_desc->common_field.access_byte_width), value); if (ACPI_FAILURE (status)) { if (status == AE_NOT_IMPLEMENTED) { @@ -274,7 +296,7 @@ acpi_ex_access_region ( * * FUNCTION: acpi_ex_register_overflow * - * PARAMETERS: *obj_desc - Register(Field) to be written + * PARAMETERS: obj_desc - Register(Field) to be written * Value - Value to be stored * * RETURN: TRUE if value overflows the field, FALSE otherwise @@ -287,7 +309,7 @@ acpi_ex_access_region ( * ******************************************************************************/ -u8 +static u8 acpi_ex_register_overflow ( union acpi_operand_object *obj_desc, acpi_integer value) @@ -319,10 +341,10 @@ acpi_ex_register_overflow ( * * FUNCTION: acpi_ex_field_datum_io * - * PARAMETERS: *obj_desc - Field to be read + * PARAMETERS: obj_desc - Field to be read * field_datum_byte_offset - Byte offset of this datum within the * parent field - * *Value - Where to store value (must be 64 bits) + * Value - Where to store value (must be 64 bits) * read_write - Read or Write flag * * RETURN: Status @@ -333,7 +355,7 @@ acpi_ex_register_overflow ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_field_datum_io ( union acpi_operand_object *obj_desc, u32 field_datum_byte_offset, @@ -350,7 +372,9 @@ acpi_ex_field_datum_io ( if (read_write == ACPI_READ) { if (!value) { local_value = 0; - value = &local_value; /* To support reads without saving return value */ + + /* To support reads without saving return value */ + value = &local_value; } /* Clear the entire return buffer first, [Very Important!] */ @@ -363,8 +387,10 @@ acpi_ex_field_datum_io ( * * buffer_field - Read/write from/to a Buffer * region_field - Read/write from/to a Operation Region. - * bank_field - Write to a Bank Register, then read/write from/to an op_region - * index_field - Write to an Index Register, then read/write from/to a Data Register + * bank_field - Write to a Bank Register, then read/write from/to an + * operation_region + * index_field - Write to an Index Register, then read/write from/to a + * Data Register */ switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_BUFFER_FIELD: @@ -384,19 +410,20 @@ acpi_ex_field_datum_io ( * Copy the data from the source buffer. * Length is the field width in bytes. */ - ACPI_MEMCPY (value, (obj_desc->buffer_field.buffer_obj)->buffer.pointer - + obj_desc->buffer_field.base_byte_offset - + field_datum_byte_offset, - obj_desc->common_field.access_byte_width); + ACPI_MEMCPY (value, + (obj_desc->buffer_field.buffer_obj)->buffer.pointer + + obj_desc->buffer_field.base_byte_offset + + field_datum_byte_offset, + obj_desc->common_field.access_byte_width); } else { /* * Copy the data to the target buffer. * Length is the field width in bytes. */ - ACPI_MEMCPY ((obj_desc->buffer_field.buffer_obj)->buffer.pointer - + obj_desc->buffer_field.base_byte_offset - + field_datum_byte_offset, + ACPI_MEMCPY ((obj_desc->buffer_field.buffer_obj)->buffer.pointer + + obj_desc->buffer_field.base_byte_offset + + field_datum_byte_offset, value, obj_desc->common_field.access_byte_width); } @@ -406,8 +433,10 @@ acpi_ex_field_datum_io ( case ACPI_TYPE_LOCAL_BANK_FIELD: - /* Ensure that the bank_value is not beyond the capacity of the register */ - + /* + * Ensure that the bank_value is not beyond the capacity of + * the register + */ if (acpi_ex_register_overflow (obj_desc->bank_field.bank_obj, (acpi_integer) obj_desc->bank_field.value)) { return_ACPI_STATUS (AE_AML_REGISTER_LIMIT); @@ -445,8 +474,10 @@ acpi_ex_field_datum_io ( case ACPI_TYPE_LOCAL_INDEX_FIELD: - /* Ensure that the index_value is not beyond the capacity of the register */ - + /* + * Ensure that the index_value is not beyond the capacity of + * the register + */ if (acpi_ex_register_overflow (obj_desc->index_field.index_obj, (acpi_integer) obj_desc->index_field.value)) { return_ACPI_STATUS (AE_AML_REGISTER_LIMIT); @@ -496,14 +527,16 @@ acpi_ex_field_datum_io ( if (ACPI_SUCCESS (status)) { if (read_write == ACPI_READ) { - ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Read %8.8X%8.8X, Width %d\n", - ACPI_FORMAT_UINT64 (*value), - obj_desc->common_field.access_byte_width)); + ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, + "Value Read %8.8X%8.8X, Width %d\n", + ACPI_FORMAT_UINT64 (*value), + obj_desc->common_field.access_byte_width)); } else { - ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Written %8.8X%8.8X, Width %d\n", - ACPI_FORMAT_UINT64 (*value), - obj_desc->common_field.access_byte_width)); + ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, + "Value Written %8.8X%8.8X, Width %d\n", + ACPI_FORMAT_UINT64 (*value), + obj_desc->common_field.access_byte_width)); } } @@ -515,8 +548,10 @@ acpi_ex_field_datum_io ( * * FUNCTION: acpi_ex_write_with_update_rule * - * PARAMETERS: *obj_desc - Field to be set - * Value - Value to store + * PARAMETERS: obj_desc - Field to be written + * Mask - bitmask within field datum + * field_value - Value to write + * field_datum_byte_offset - Offset of datum within field * * RETURN: Status * @@ -689,7 +724,8 @@ acpi_ex_extract_from_field ( /* Merge with previous datum if necessary */ merged_datum |= raw_datum << - (obj_desc->common_field.access_bit_width - obj_desc->common_field.start_field_bit_offset); + (obj_desc->common_field.access_bit_width - + obj_desc->common_field.start_field_bit_offset); if (i == datum_count) { break; @@ -707,7 +743,8 @@ acpi_ex_extract_from_field ( /* Mask off any extra bits in the last datum */ - buffer_tail_bits = obj_desc->common_field.bit_length % obj_desc->common_field.access_bit_width; + buffer_tail_bits = obj_desc->common_field.bit_length % + obj_desc->common_field.access_bit_width; if (buffer_tail_bits) { merged_datum &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits); } @@ -791,7 +828,8 @@ acpi_ex_insert_into_field ( /* Write merged datum to the target field */ merged_datum &= mask; - status = acpi_ex_write_with_update_rule (obj_desc, mask, merged_datum, field_offset); + status = acpi_ex_write_with_update_rule (obj_desc, mask, + merged_datum, field_offset); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -800,7 +838,8 @@ acpi_ex_insert_into_field ( field_offset += obj_desc->common_field.access_byte_width; merged_datum = raw_datum >> - (obj_desc->common_field.access_bit_width - obj_desc->common_field.start_field_bit_offset); + (obj_desc->common_field.access_bit_width - + obj_desc->common_field.start_field_bit_offset); mask = ACPI_INTEGER_MAX; if (i == datum_count) { @@ -819,7 +858,8 @@ acpi_ex_insert_into_field ( /* Mask off any extra bits in the last datum */ buffer_tail_bits = (obj_desc->common_field.bit_length + - obj_desc->common_field.start_field_bit_offset) % obj_desc->common_field.access_bit_width; + obj_desc->common_field.start_field_bit_offset) % + obj_desc->common_field.access_bit_width; if (buffer_tail_bits) { mask &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits); } @@ -827,7 +867,8 @@ acpi_ex_insert_into_field ( /* Write the last datum to the field */ merged_datum &= mask; - status = acpi_ex_write_with_update_rule (obj_desc, mask, merged_datum, field_offset); + status = acpi_ex_write_with_update_rule (obj_desc, + mask, merged_datum, field_offset); return_ACPI_STATUS (status); } diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c index b542dcd58c07..022f281345b8 100644 --- a/drivers/acpi/executer/exmisc.c +++ b/drivers/acpi/executer/exmisc.c @@ -139,8 +139,9 @@ acpi_ex_get_object_reference ( reference_obj->reference.object = referenced_obj; *return_desc = reference_obj; - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p Type [%s], returning Reference %p\n", - obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc)); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Object %p Type [%s], returning Reference %p\n", + obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc)); return_ACPI_STATUS (AE_OK); } @@ -456,7 +457,7 @@ acpi_ex_do_math_op ( return (integer0 * integer1); - case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */ + case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result)*/ return (integer0 << integer1); diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index 68c4bb1970a5..c3cb714d2cba 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -49,6 +49,13 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exmutex") +/* Local prototypes */ + +static void +acpi_ex_link_mutex ( + union acpi_operand_object *obj_desc, + struct acpi_thread_state *thread); + /******************************************************************************* * @@ -56,7 +63,7 @@ * * PARAMETERS: obj_desc - The mutex to be unlinked * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Remove a mutex from the "acquired_mutex" list * @@ -92,16 +99,16 @@ acpi_ex_unlink_mutex ( * * FUNCTION: acpi_ex_link_mutex * - * PARAMETERS: obj_desc - The mutex to be linked - * list_head - head of the "acquired_mutex" list + * PARAMETERS: obj_desc - The mutex to be linked + * Thread - Current executing thread object * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk * ******************************************************************************/ -void +static void acpi_ex_link_mutex ( union acpi_operand_object *obj_desc, struct acpi_thread_state *thread) @@ -132,8 +139,9 @@ acpi_ex_link_mutex ( * * FUNCTION: acpi_ex_acquire_mutex * - * PARAMETERS: time_desc - The 'time to delay' object descriptor - * obj_desc - The object descriptor for this op + * PARAMETERS: time_desc - Timeout integer + * obj_desc - Mutex object + * walk_state - Current method execution state * * RETURN: Status * @@ -161,7 +169,7 @@ acpi_ex_acquire_mutex ( if (!walk_state->thread) { ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], null thread info\n", - acpi_ut_get_node_name (obj_desc->mutex.node))); + acpi_ut_get_node_name (obj_desc->mutex.node))); return_ACPI_STATUS (AE_AML_INTERNAL); } @@ -170,8 +178,9 @@ acpi_ex_acquire_mutex ( * mutex. This mechanism provides some deadlock prevention */ if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { - ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], incorrect sync_level\n", - acpi_ut_get_node_name (obj_desc->mutex.node))); + ACPI_REPORT_ERROR (( + "Cannot acquire Mutex [%4.4s], incorrect sync_level\n", + acpi_ut_get_node_name (obj_desc->mutex.node))); return_ACPI_STATUS (AE_AML_MUTEX_ORDER); } @@ -180,8 +189,10 @@ acpi_ex_acquire_mutex ( if (obj_desc->mutex.owner_thread) { /* Special case for Global Lock, allow all threads */ - if ((obj_desc->mutex.owner_thread->thread_id == walk_state->thread->thread_id) || - (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore)) { + if ((obj_desc->mutex.owner_thread->thread_id == + walk_state->thread->thread_id) || + (obj_desc->mutex.semaphore == + acpi_gbl_global_lock_semaphore)) { /* * The mutex is already owned by this thread, * just increment the acquisition depth @@ -221,6 +232,7 @@ acpi_ex_acquire_mutex ( * FUNCTION: acpi_ex_release_mutex * * PARAMETERS: obj_desc - The object descriptor for this op + * walk_state - Current method execution state * * RETURN: Status * @@ -278,8 +290,9 @@ acpi_ex_release_mutex ( * equal to the current sync level */ if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { - ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], incorrect sync_level\n", - acpi_ut_get_node_name (obj_desc->mutex.node))); + ACPI_REPORT_ERROR (( + "Cannot release Mutex [%4.4s], incorrect sync_level\n", + acpi_ut_get_node_name (obj_desc->mutex.node))); return_ACPI_STATUS (AE_AML_MUTEX_ORDER); } @@ -313,11 +326,11 @@ acpi_ex_release_mutex ( * * FUNCTION: acpi_ex_release_all_mutexes * - * PARAMETERS: mutex_list - Head of the mutex list + * PARAMETERS: Thread - Current executing thread object * * RETURN: Status * - * DESCRIPTION: Release all mutexes in the list + * DESCRIPTION: Release all mutexes held by this thread * ******************************************************************************/ diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c index 7911c533c265..639f0bd3f6d8 100644 --- a/drivers/acpi/executer/exnames.c +++ b/drivers/acpi/executer/exnames.c @@ -50,13 +50,17 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exnames") +/* Local prototypes */ -/* AML Package Length encodings */ +static char * +acpi_ex_allocate_name_string ( + u32 prefix_count, + u32 num_name_segs); -#define ACPI_AML_PACKAGE_TYPE1 0x40 -#define ACPI_AML_PACKAGE_TYPE2 0x4000 -#define ACPI_AML_PACKAGE_TYPE3 0x400000 -#define ACPI_AML_PACKAGE_TYPE4 0x40000000 +static acpi_status +acpi_ex_name_segment ( + u8 **in_aml_address, + char *name_string); /******************************************************************************* @@ -64,7 +68,7 @@ * FUNCTION: acpi_ex_allocate_name_string * * PARAMETERS: prefix_count - Count of parent levels. Special cases: - * (-1) = root, 0 = none + * (-1)==root, 0==none * num_name_segs - count of 4-character name segments * * RETURN: A pointer to the allocated string segment. This segment must @@ -75,7 +79,7 @@ * ******************************************************************************/ -char * +static char * acpi_ex_allocate_name_string ( u32 prefix_count, u32 num_name_segs) @@ -88,7 +92,7 @@ acpi_ex_allocate_name_string ( /* - * Allow room for all \ and ^ prefixes, all segments, and a multi_name_prefix. + * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix. * Also, one byte for the null terminator. * This may actually be somewhat longer than needed. */ @@ -107,7 +111,8 @@ acpi_ex_allocate_name_string ( */ name_string = ACPI_MEM_ALLOCATE (size_needed); if (!name_string) { - ACPI_REPORT_ERROR (("ex_allocate_name_string: Could not allocate size %d\n", size_needed)); + ACPI_REPORT_ERROR (( + "ex_allocate_name_string: Could not allocate size %d\n", size_needed)); return_PTR (NULL); } @@ -152,15 +157,17 @@ acpi_ex_allocate_name_string ( * * FUNCTION: acpi_ex_name_segment * - * PARAMETERS: interpreter_mode - Current running mode (load1/Load2/Exec) + * PARAMETERS: in_aml_address - Pointer to the name in the AML code + * name_string - Where to return the name. The name is appended + * to any existing string to form a namepath * * RETURN: Status * - * DESCRIPTION: Execute a name segment (4 bytes) + * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_name_segment ( u8 **in_aml_address, char *name_string) @@ -223,10 +230,13 @@ acpi_ex_name_segment ( status = AE_CTRL_PENDING; } else { - /* Segment started with one or more valid characters, but fewer than 4 */ - + /* + * Segment started with one or more valid characters, but fewer than + * the required 4 + */ status = AE_AML_BAD_NAME; - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad character %02x in name, at %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Bad character %02x in name, at %p\n", *aml_address, aml_address)); } @@ -239,11 +249,16 @@ acpi_ex_name_segment ( * * FUNCTION: acpi_ex_get_name_string * - * PARAMETERS: data_type - Data type to be associated with this name + * PARAMETERS: data_type - Object type to be associated with this + * name + * in_aml_address - Pointer to the namestring in the AML code + * out_name_string - Where the namestring is returned + * out_name_length - Length of the returned string * - * RETURN: Status + * RETURN: Status, namestring and length * - * DESCRIPTION: Get a name, including any prefixes. + * DESCRIPTION: Extract a full namepath from the AML byte stream, + * including any prefixes. * ******************************************************************************/ @@ -286,7 +301,8 @@ acpi_ex_get_name_string ( switch (*aml_address) { case AML_ROOT_PREFIX: - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n", aml_address)); + ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n", + aml_address)); /* * Remember that we have a root_prefix -- @@ -303,7 +319,8 @@ acpi_ex_get_name_string ( /* Increment past possibly multiple parent prefixes */ do { - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n", aml_address)); + ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n", + aml_address)); aml_address++; prefix_count++; @@ -321,13 +338,13 @@ acpi_ex_get_name_string ( break; } - /* Examine first character of name for name segment prefix operator */ switch (*aml_address) { case AML_DUAL_NAME_PREFIX: - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n", aml_address)); + ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n", + aml_address)); aml_address++; name_string = acpi_ex_allocate_name_string (prefix_count, 2); @@ -349,7 +366,8 @@ acpi_ex_get_name_string ( case AML_MULTI_NAME_PREFIX_OP: - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n", aml_address)); + ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n", + aml_address)); /* Fetch count of segments remaining in name path */ @@ -368,7 +386,8 @@ acpi_ex_get_name_string ( has_prefix = TRUE; while (num_segments && - (status = acpi_ex_name_segment (&aml_address, name_string)) == AE_OK) { + (status = acpi_ex_name_segment (&aml_address, name_string)) == + AE_OK) { num_segments--; } @@ -380,7 +399,8 @@ acpi_ex_get_name_string ( /* null_name valid as of 8-12-98 ASL/AML Grammar Update */ if (prefix_count == ACPI_UINT32_MAX) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "name_seg is \"\\\" followed by NULL\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "name_seg is \"\\\" followed by NULL\n")); } /* Consume the NULL byte */ diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c index 8482aefaf38b..dbdf8262ba00 100644 --- a/drivers/acpi/executer/exoparg1.c +++ b/drivers/acpi/executer/exoparg1.c @@ -97,7 +97,8 @@ acpi_ex_opcode_0A_0T_1R ( union acpi_operand_object *return_desc = NULL; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R", + acpi_ps_get_opcode_name (walk_state->opcode)); /* Examine the AML opcode */ @@ -161,7 +162,8 @@ acpi_ex_opcode_1A_0T_0R ( acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R", + acpi_ps_get_opcode_name (walk_state->opcode)); /* Examine the AML opcode */ @@ -236,7 +238,8 @@ acpi_ex_opcode_1A_1T_0R ( union acpi_operand_object **operand = &walk_state->operands[0]; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R", + acpi_ps_get_opcode_name (walk_state->opcode)); /* Examine the AML opcode */ @@ -289,7 +292,8 @@ acpi_ex_opcode_1A_1T_1R ( acpi_integer digit; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R", + acpi_ps_get_opcode_name (walk_state->opcode)); /* Examine the AML opcode */ @@ -409,8 +413,10 @@ acpi_ex_opcode_1A_1T_1R ( for (i = 0; (i < acpi_gbl_integer_nybble_width) && (digit > 0); i++) { (void) acpi_ut_short_divide (digit, 10, &digit, &temp32); - /* Insert the BCD digit that resides in the remainder from above */ - + /* + * Insert the BCD digit that resides in the + * remainder from above + */ return_desc->integer.value |= (((acpi_integer) temp32) << ACPI_MUL_4 (i)); } @@ -445,7 +451,8 @@ acpi_ex_opcode_1A_1T_1R ( /* Get the object reference, store it, and remove our reference */ - status = acpi_ex_get_object_reference (operand[0], &return_desc2, walk_state); + status = acpi_ex_get_object_reference (operand[0], + &return_desc2, walk_state); if (ACPI_FAILURE (status)) { goto cleanup; } @@ -482,10 +489,10 @@ acpi_ex_opcode_1A_1T_1R ( if (!walk_state->result_obj) { /* - * Normally, we would remove a reference on the Operand[0] parameter; - * But since it is being used as the internal return object - * (meaning we would normally increment it), the two cancel out, - * and we simply don't do anything. + * Normally, we would remove a reference on the Operand[0] + * parameter; But since it is being used as the internal return + * object (meaning we would normally increment it), the two + * cancel out, and we simply don't do anything. */ walk_state->result_obj = operand[0]; walk_state->operands[0] = NULL; /* Prevent deletion */ @@ -549,9 +556,8 @@ acpi_ex_opcode_1A_1T_1R ( case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */ case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */ - /* - * These are two obsolete opcodes - */ + /* These are two obsolete opcodes */ + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s is obsolete and not implemented\n", acpi_ps_get_opcode_name (walk_state->opcode))); @@ -568,9 +574,8 @@ acpi_ex_opcode_1A_1T_1R ( } if (ACPI_SUCCESS (status)) { - /* - * Store the return value computed above into the target object - */ + /* Store the return value computed above into the target object */ + status = acpi_ex_store (return_desc, operand[1], walk_state); } @@ -615,7 +620,8 @@ acpi_ex_opcode_1A_0T_1R ( acpi_integer value; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R", + acpi_ps_get_opcode_name (walk_state->opcode)); /* Examine the AML opcode */ @@ -706,9 +712,9 @@ acpi_ex_opcode_1A_0T_1R ( /* * Note: The operand is not resolved at this point because we want to - * get the associated object, not its value. For example, we don't want - * to resolve a field_unit to its value, we want the actual field_unit - * object. + * get the associated object, not its value. For example, we don't + * want to resolve a field_unit to its value, we want the actual + * field_unit object. */ /* Get the type of the base object */ @@ -738,7 +744,8 @@ acpi_ex_opcode_1A_0T_1R ( /* Get the base object */ - status = acpi_ex_resolve_multiple (walk_state, operand[0], &type, &temp_desc); + status = acpi_ex_resolve_multiple (walk_state, + operand[0], &type, &temp_desc); if (ACPI_FAILURE (status)) { goto cleanup; } @@ -818,8 +825,10 @@ acpi_ex_opcode_1A_0T_1R ( /* Set Operand[0] to the value of the local/arg */ - status = acpi_ds_method_data_get_value (operand[0]->reference.opcode, - operand[0]->reference.offset, walk_state, &temp_desc); + status = acpi_ds_method_data_get_value ( + operand[0]->reference.opcode, + operand[0]->reference.offset, + walk_state, &temp_desc); if (ACPI_FAILURE (status)) { goto cleanup; } @@ -852,21 +861,26 @@ acpi_ex_opcode_1A_0T_1R ( case ACPI_TYPE_STRING: /* - * This is a deref_of (String). The string is a reference to a named ACPI object. + * This is a deref_of (String). The string is a reference + * to a named ACPI object. * * 1) Find the owning Node - * 2) Dereference the node to an actual object. Could be a Field, so we nee - * to resolve the node to a value. + * 2) Dereference the node to an actual object. Could be a + * Field, so we need to resolve the node to a value. */ status = acpi_ns_get_node_by_path (operand[0]->string.pointer, - walk_state->scope_info->scope.node, ACPI_NS_SEARCH_PARENT, - ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &return_desc)); + walk_state->scope_info->scope.node, + ACPI_NS_SEARCH_PARENT, + ACPI_CAST_INDIRECT_PTR ( + struct acpi_namespace_node, &return_desc)); if (ACPI_FAILURE (status)) { goto cleanup; } status = acpi_ex_resolve_node_to_value ( - ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &return_desc), walk_state); + ACPI_CAST_INDIRECT_PTR ( + struct acpi_namespace_node, &return_desc), + walk_state); goto cleanup; @@ -883,14 +897,16 @@ acpi_ex_opcode_1A_0T_1R ( /* * This is a deref_of (object_reference) * Get the actual object from the Node (This is the dereference). - * -- This case may only happen when a local_x or arg_x is dereferenced above. + * This case may only happen when a local_x or arg_x is + * dereferenced above. */ - return_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) operand[0]); + return_desc = acpi_ns_get_attached_object ( + (struct acpi_namespace_node *) operand[0]); } else { /* - * This must be a reference object produced by either the Index() or - * ref_of() operator + * This must be a reference object produced by either the + * Index() or ref_of() operator */ switch (operand[0]->reference.opcode) { case AML_INDEX_OP: @@ -931,8 +947,8 @@ acpi_ex_opcode_1A_0T_1R ( case ACPI_TYPE_PACKAGE: /* - * Return the referenced element of the package. We must add - * another reference to the referenced object, however. + * Return the referenced element of the package. We must + * add another reference to the referenced object, however. */ return_desc = *(operand[0]->reference.where); if (!return_desc) { @@ -967,9 +983,11 @@ acpi_ex_opcode_1A_0T_1R ( return_desc = operand[0]->reference.object; - if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) == ACPI_DESC_TYPE_NAMED) { + if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) == + ACPI_DESC_TYPE_NAMED) { - return_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) return_desc); + return_desc = acpi_ns_get_attached_object ( + (struct acpi_namespace_node *) return_desc); } /* Add another reference to the object! */ diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c index 8be4d80ceed5..7429032c2b6c 100644 --- a/drivers/acpi/executer/exoparg2.c +++ b/drivers/acpi/executer/exoparg2.c @@ -118,7 +118,7 @@ acpi_ex_opcode_2A_0T_0R ( value = (u32) operand[1]->integer.value; - /* Notifies allowed on this object? */ + /* Are notifies allowed on this object? */ if (!acpi_ev_is_notify_object (node)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, @@ -203,11 +203,12 @@ acpi_ex_opcode_2A_2T_1R ( acpi_ps_get_opcode_name (walk_state->opcode)); - /* - * Execute the opcode - */ + /* Execute the opcode */ + switch (walk_state->opcode) { - case AML_DIVIDE_OP: /* Divide (Dividend, Divisor, remainder_result quotient_result) */ + case AML_DIVIDE_OP: + + /* Divide (Dividend, Divisor, remainder_result quotient_result) */ return_desc1 = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); if (!return_desc1) { @@ -241,7 +242,6 @@ acpi_ex_opcode_2A_2T_1R ( goto cleanup; } - /* Store the results to the target reference operands */ status = acpi_ex_store (return_desc2, operand[2], walk_state); @@ -295,7 +295,7 @@ acpi_ex_opcode_2A_1T_1R ( { union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *return_desc = NULL; - u32 index; + acpi_integer index; acpi_status status = AE_OK; acpi_size length; @@ -304,9 +304,8 @@ acpi_ex_opcode_2A_1T_1R ( acpi_ps_get_opcode_name (walk_state->opcode)); - /* - * Execute the opcode - */ + /* Execute the opcode */ + if (walk_state->op_info->flags & AML_MATH) { /* All simple math opcodes (add, etc.) */ @@ -322,9 +321,8 @@ acpi_ex_opcode_2A_1T_1R ( goto store_result_to_target; } - switch (walk_state->opcode) { - case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */ + case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */ return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); if (!return_desc) { @@ -341,18 +339,19 @@ acpi_ex_opcode_2A_1T_1R ( break; - case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */ + case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */ status = acpi_ex_do_concatenate (operand[0], operand[1], &return_desc, walk_state); break; - case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */ + case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */ /* * Input object is guaranteed to be a buffer at this point (it may have - * been converted.) Copy the raw buffer data to a new object of type String. + * been converted.) Copy the raw buffer data to a new object of + * type String. */ /* @@ -383,14 +382,16 @@ acpi_ex_opcode_2A_1T_1R ( goto cleanup; } - /* Copy the raw buffer data with no transform. NULL terminated already. */ + /* Copy the raw buffer data with no transform. NULL terminated already*/ ACPI_MEMCPY (return_desc->string.pointer, operand[0]->buffer.pointer, length); break; - case AML_CONCAT_RES_OP: /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */ + case AML_CONCAT_RES_OP: + + /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */ status = acpi_ex_concat_template (operand[0], operand[1], &return_desc, walk_state); @@ -407,33 +408,33 @@ acpi_ex_opcode_2A_1T_1R ( goto cleanup; } - index = (u32) operand[1]->integer.value; + index = operand[1]->integer.value; + + /* At this point, the Source operand is a Package, Buffer, or String */ - /* - * At this point, the Source operand is a Package, Buffer, or String - */ if (ACPI_GET_OBJECT_TYPE (operand[0]) == ACPI_TYPE_PACKAGE) { /* Object to be indexed is a Package */ if (index >= operand[0]->package.count) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Index value (%X) beyond package end (%X)\n", - index, operand[0]->package.count)); + "Index value (%X%8.8X) beyond package end (%X)\n", + ACPI_FORMAT_UINT64 (index), operand[0]->package.count)); status = AE_AML_PACKAGE_LIMIT; goto cleanup; } return_desc->reference.target_type = ACPI_TYPE_PACKAGE; return_desc->reference.object = operand[0]; - return_desc->reference.where = &operand[0]->package.elements [index]; + return_desc->reference.where = &operand[0]->package.elements [ + index]; } else { /* Object to be indexed is a Buffer/String */ if (index >= operand[0]->buffer.length) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Index value (%X) beyond end of buffer (%X)\n", - index, operand[0]->buffer.length)); + "Index value (%X%8.8X) beyond end of buffer (%X)\n", + ACPI_FORMAT_UINT64 (index), operand[0]->buffer.length)); status = AE_AML_BUFFER_LIMIT; goto cleanup; } @@ -451,7 +452,7 @@ acpi_ex_opcode_2A_1T_1R ( /* Complete the Index reference object */ return_desc->reference.opcode = AML_INDEX_OP; - return_desc->reference.offset = index; + return_desc->reference.offset = (u32) index; /* Store the reference to the Target */ @@ -536,22 +537,24 @@ acpi_ex_opcode_2A_0T_1R ( goto cleanup; } - /* - * Execute the Opcode - */ - if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) /* logical_op (Operand0, Operand1) */ { + /* Execute the Opcode */ + + if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) { + /* logical_op (Operand0, Operand1) */ + status = acpi_ex_do_logical_numeric_op (walk_state->opcode, operand[0]->integer.value, operand[1]->integer.value, &logical_result); goto store_logical_result; } - else if (walk_state->op_info->flags & AML_LOGICAL) /* logical_op (Operand0, Operand1) */ { + else if (walk_state->op_info->flags & AML_LOGICAL) { + /* logical_op (Operand0, Operand1) */ + status = acpi_ex_do_logical_op (walk_state->opcode, operand[0], operand[1], &logical_result); goto store_logical_result; } - switch (walk_state->opcode) { case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */ diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c index 29d0b167745d..23b068adbf58 100644 --- a/drivers/acpi/executer/exoparg3.c +++ b/drivers/acpi/executer/exoparg3.c @@ -97,11 +97,12 @@ acpi_ex_opcode_3A_0T_0R ( acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R", + acpi_ps_get_opcode_name (walk_state->opcode)); switch (walk_state->opcode) { - case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */ + case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", @@ -116,9 +117,8 @@ acpi_ex_opcode_3A_0T_0R ( fatal->argument = (u32) operand[2]->integer.value; } - /* - * Always signal the OS! - */ + /* Always signal the OS! */ + status = acpi_os_signal (ACPI_SIGNAL_FATAL, fatal); /* Might return while OS is shutting down, just continue */ @@ -162,21 +162,23 @@ acpi_ex_opcode_3A_1T_1R ( union acpi_operand_object *return_desc = NULL; char *buffer; acpi_status status = AE_OK; - acpi_native_uint index; + acpi_integer index; acpi_size length; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R", + acpi_ps_get_opcode_name (walk_state->opcode)); switch (walk_state->opcode) { - case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */ + case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */ /* * Create the return object. The Source operand is guaranteed to be * either a String or a Buffer, so just use its type. */ - return_desc = acpi_ut_create_internal_object (ACPI_GET_OBJECT_TYPE (operand[0])); + return_desc = acpi_ut_create_internal_object ( + ACPI_GET_OBJECT_TYPE (operand[0])); if (!return_desc) { status = AE_NO_MEMORY; goto cleanup; @@ -184,7 +186,7 @@ acpi_ex_opcode_3A_1T_1R ( /* Get the Integer values from the objects */ - index = (acpi_native_uint) operand[1]->integer.value; + index = operand[1]->integer.value; length = (acpi_size) operand[2]->integer.value; /* @@ -197,7 +199,8 @@ acpi_ex_opcode_3A_1T_1R ( if ((index + length) > operand[0]->string.length) { - length = (acpi_size) operand[0]->string.length - index; + length = (acpi_size) operand[0]->string.length - + (acpi_size) index; } /* Allocate a new buffer for the String/Buffer */ diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c index d32624331626..17f81d42ee41 100644 --- a/drivers/acpi/executer/exoparg6.c +++ b/drivers/acpi/executer/exoparg6.c @@ -75,6 +75,14 @@ * fully resolved operands. !*/ +/* Local prototypes */ + +static u8 +acpi_ex_do_match ( + u32 match_op, + union acpi_operand_object *package_obj, + union acpi_operand_object *match_obj); + /******************************************************************************* * @@ -92,7 +100,7 @@ * ******************************************************************************/ -u8 +static u8 acpi_ex_do_match ( u32 match_op, union acpi_operand_object *package_obj, @@ -216,11 +224,12 @@ acpi_ex_opcode_6A_0T_1R ( union acpi_operand_object **operand = &walk_state->operands[0]; union acpi_operand_object *return_desc = NULL; acpi_status status = AE_OK; - u32 index; + acpi_integer index; union acpi_operand_object *this_element; - ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); + ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R", + acpi_ps_get_opcode_name (walk_state->opcode)); switch (walk_state->opcode) { @@ -241,9 +250,11 @@ acpi_ex_opcode_6A_0T_1R ( /* Get the package start_index, validate against the package length */ - index = (u32) operand[5]->integer.value; - if (index >= (u32) operand[0]->package.count) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index beyond package end\n")); + index = operand[5]->integer.value; + if (index >= operand[0]->package.count) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Index (%X%8.8X) beyond package end (%X)\n", + ACPI_FORMAT_UINT64 (index), operand[0]->package.count)); status = AE_AML_PACKAGE_LIMIT; goto cleanup; } @@ -314,13 +325,12 @@ acpi_ex_opcode_6A_0T_1R ( default: - ACPI_REPORT_ERROR (("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n", + ACPI_REPORT_ERROR (("acpi_ex_opcode_6A_0T_1R: Unknown opcode %X\n", walk_state->opcode)); status = AE_AML_BAD_OPCODE; goto cleanup; } - walk_state->result_obj = return_desc; diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c index 264ef3bba31b..c9e3c68b5549 100644 --- a/drivers/acpi/executer/exprep.c +++ b/drivers/acpi/executer/exprep.c @@ -52,8 +52,23 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exprep") +/* Local prototypes */ + +static u32 +acpi_ex_decode_field_access ( + union acpi_operand_object *obj_desc, + u8 field_flags, + u32 *return_byte_alignment); + #ifdef ACPI_UNDER_DEVELOPMENT + +static u32 +acpi_ex_generate_access ( + u32 field_bit_offset, + u32 field_bit_length, + u32 region_length); + /******************************************************************************* * * FUNCTION: acpi_ex_generate_access @@ -99,12 +114,14 @@ acpi_ex_generate_access ( /* Round Field start offset and length to "minimal" byte boundaries */ field_byte_offset = ACPI_DIV_8 (ACPI_ROUND_DOWN (field_bit_offset, 8)); - field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length + field_bit_offset, 8)); + field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length + + field_bit_offset, 8)); field_byte_length = field_byte_end_offset - field_byte_offset; ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Bit length %d, Bit offset %d\n", field_bit_length, field_bit_offset)); + ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Byte Length %d, Byte Offset %d, End Offset %d\n", field_byte_length, field_byte_offset, field_byte_end_offset)); @@ -117,20 +134,26 @@ acpi_ex_generate_access ( */ for (access_byte_width = 1; access_byte_width <= 8; access_byte_width <<= 1) { /* - * 1) Round end offset up to next access boundary and make sure that this - * does not go beyond the end of the parent region. - * 2) When the Access width is greater than the field_byte_length, we are done. - * (This does not optimize for the perfectly aligned case yet). + * 1) Round end offset up to next access boundary and make sure that + * this does not go beyond the end of the parent region. + * 2) When the Access width is greater than the field_byte_length, we + * are done. (This does not optimize for the perfectly aligned + * case yet). */ if (ACPI_ROUND_UP (field_byte_end_offset, access_byte_width) <= region_length) { - field_start_offset = ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) / - access_byte_width; - field_end_offset = ACPI_ROUND_UP ((field_byte_length + field_byte_offset), - access_byte_width) / access_byte_width; - accesses = field_end_offset - field_start_offset; + field_start_offset = + ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) / + access_byte_width; + + field_end_offset = + ACPI_ROUND_UP ((field_byte_length + field_byte_offset), + access_byte_width) / access_byte_width; + + accesses = field_end_offset - field_start_offset; ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "access_width %d end is within region\n", access_byte_width)); + ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Field Start %d, Field End %d -- requires %d accesses\n", field_start_offset, field_end_offset, accesses)); @@ -139,8 +162,8 @@ acpi_ex_generate_access ( if (accesses <= 1) { ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, - "Entire field can be accessed with one operation of size %d\n", - access_byte_width)); + "Entire field can be accessed with one operation of size %d\n", + access_byte_width)); return_VALUE (access_byte_width); } @@ -155,15 +178,20 @@ acpi_ex_generate_access ( } else { ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, - "access_width %d end is NOT within region\n", access_byte_width)); + "access_width %d end is NOT within region\n", access_byte_width)); if (access_byte_width == 1) { ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Field goes beyond end-of-region!\n")); - return_VALUE (0); /* Field does not fit in the region at all */ - } - /* This width goes beyond the end-of-region, back off to previous access */ + /* Field does not fit in the region at all */ + return_VALUE (0); + } + + /* + * This width goes beyond the end-of-region, back off to + * previous access + */ ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Backing off to previous optimal access width of %d\n", minimum_access_width)); @@ -171,8 +199,10 @@ acpi_ex_generate_access ( } } - /* Could not read/write field with one operation, just use max access width */ - + /* + * Could not read/write field with one operation, + * just use max access width + */ ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Cannot access field in one operation, using width 8\n")); return_VALUE (8); @@ -184,8 +214,9 @@ acpi_ex_generate_access ( * * FUNCTION: acpi_ex_decode_field_access * - * PARAMETERS: Access - Encoded field access bits - * Length - Field length. + * PARAMETERS: obj_desc - Field object + * field_flags - Encoded fieldflags (contains access bits) + * return_byte_alignment - Where the byte alignment is returned * * RETURN: Field granularity (8, 16, 32 or 64) and * byte_alignment (1, 2, 3, or 4) @@ -214,9 +245,10 @@ acpi_ex_decode_field_access ( case AML_FIELD_ACCESS_ANY: #ifdef ACPI_UNDER_DEVELOPMENT - byte_alignment = acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset, - obj_desc->common_field.bit_length, - 0xFFFFFFFF /* Temp until we pass region_length as param */); + byte_alignment = + acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset, + obj_desc->common_field.bit_length, + 0xFFFFFFFF /* Temp until we pass region_length as parameter */); bit_length = byte_alignment * 8; #endif @@ -276,6 +308,7 @@ acpi_ex_decode_field_access ( * field_flags - Access, lock_rule, and update_rule. * The format of a field_flag is described * in the ACPI specification + * field_attribute - Special attributes (not used) * field_bit_position - Field start position * field_bit_length - Field length in number of bits * @@ -337,7 +370,7 @@ acpi_ex_prep_common_field_object ( /* Setup width (access granularity) fields */ obj_desc->common_field.access_byte_width = (u8) - ACPI_DIV_8 (access_bit_width); /* 1, 2, 4, 8 */ + ACPI_DIV_8 (access_bit_width); /* 1, 2, 4, 8 */ obj_desc->common_field.access_bit_width = (u8) access_bit_width; @@ -380,11 +413,7 @@ acpi_ex_prep_common_field_object ( * * FUNCTION: acpi_ex_prep_field_value * - * PARAMETERS: Node - Owning Node - * region_node - Region in which field is being defined - * field_flags - Access, lock_rule, and update_rule. - * field_bit_position - Field start position - * field_bit_length - Field length in number of bits + * PARAMETERS: Info - Contains all field creation info * * RETURN: Status * @@ -445,7 +474,7 @@ acpi_ex_prep_field_value ( switch (info->field_type) { case ACPI_TYPE_LOCAL_REGION_FIELD: - obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node); + obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node); /* An additional reference for the container */ @@ -461,8 +490,10 @@ acpi_ex_prep_field_value ( case ACPI_TYPE_LOCAL_BANK_FIELD: obj_desc->bank_field.value = info->bank_value; - obj_desc->bank_field.region_obj = acpi_ns_get_attached_object (info->region_node); - obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object (info->register_node); + obj_desc->bank_field.region_obj = acpi_ns_get_attached_object ( + info->region_node); + obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object ( + info->register_node); /* An additional reference for the attached objects */ @@ -481,10 +512,13 @@ acpi_ex_prep_field_value ( case ACPI_TYPE_LOCAL_INDEX_FIELD: - obj_desc->index_field.index_obj = acpi_ns_get_attached_object (info->register_node); - obj_desc->index_field.data_obj = acpi_ns_get_attached_object (info->data_register_node); + obj_desc->index_field.index_obj = acpi_ns_get_attached_object ( + info->register_node); + obj_desc->index_field.data_obj = acpi_ns_get_attached_object ( + info->data_register_node); obj_desc->index_field.value = (u32) - (info->field_bit_position / ACPI_MUL_8 (obj_desc->field.access_byte_width)); + (info->field_bit_position / ACPI_MUL_8 ( + obj_desc->field.access_byte_width)); if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) { ACPI_REPORT_ERROR (("Null Index Object during field prep\n")); diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c index 7cfd0684c70b..723aaef4bb4a 100644 --- a/drivers/acpi/executer/exregion.c +++ b/drivers/acpi/executer/exregion.c @@ -115,7 +115,6 @@ acpi_ex_system_memory_space_handler ( return_ACPI_STATUS (AE_AML_OPERAND_VALUE); } - #ifndef ACPI_MISALIGNED_TRANSFERS /* * Hardware does not support non-aligned data transfers, we must verify @@ -134,7 +133,8 @@ acpi_ex_system_memory_space_handler ( */ if ((address < mem_info->mapped_physical_address) || (((acpi_integer) address + length) > - ((acpi_integer) mem_info->mapped_physical_address + mem_info->mapped_length))) { + ((acpi_integer) + mem_info->mapped_physical_address + mem_info->mapped_length))) { /* * The request cannot be resolved by the current memory mapping; * Delete the existing mapping and create a new one. @@ -150,7 +150,9 @@ acpi_ex_system_memory_space_handler ( * Don't attempt to map memory beyond the end of the region, and * constrain the maximum mapping size to something reasonable. */ - window_size = (acpi_size) ((mem_info->address + mem_info->length) - address); + window_size = (acpi_size) + ((mem_info->address + mem_info->length) - address); + if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) { window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE; } @@ -160,8 +162,9 @@ acpi_ex_system_memory_space_handler ( status = acpi_os_map_memory (address, window_size, (void **) &mem_info->mapped_logical_address); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X%8.8X, size %X\n", - ACPI_FORMAT_UINT64 (address), (u32) window_size)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Could not map memory at %8.8X%8.8X, size %X\n", + ACPI_FORMAT_UINT64 (address), (u32) window_size)); mem_info->mapped_length = 0; return_ACPI_STATUS (status); } @@ -177,10 +180,12 @@ acpi_ex_system_memory_space_handler ( * access */ logical_addr_ptr = mem_info->mapped_logical_address + - ((acpi_integer) address - (acpi_integer) mem_info->mapped_physical_address); + ((acpi_integer) address - + (acpi_integer) mem_info->mapped_physical_address); ACPI_DEBUG_PRINT ((ACPI_DB_INFO, - "system_memory %d (%d width) Address=%8.8X%8.8X\n", function, bit_width, + "system_memory %d (%d width) Address=%8.8X%8.8X\n", + function, bit_width, ACPI_FORMAT_UINT64 (address))); /* @@ -298,13 +303,15 @@ acpi_ex_system_io_space_handler ( switch (function) { case ACPI_READ: - status = acpi_os_read_port ((acpi_io_address) address, &value32, bit_width); + status = acpi_os_read_port ((acpi_io_address) address, + &value32, bit_width); *value = value32; break; case ACPI_WRITE: - status = acpi_os_write_port ((acpi_io_address) address, (u32) *value, bit_width); + status = acpi_os_write_port ((acpi_io_address) address, + (u32) *value, bit_width); break; default: @@ -375,12 +382,14 @@ acpi_ex_pci_config_space_handler ( case ACPI_READ: *value = 0; - status = acpi_os_read_pci_configuration (pci_id, pci_register, value, bit_width); + status = acpi_os_read_pci_configuration (pci_id, pci_register, + value, bit_width); break; case ACPI_WRITE: - status = acpi_os_write_pci_configuration (pci_id, pci_register, *value, bit_width); + status = acpi_os_write_pci_configuration (pci_id, pci_register, + *value, bit_width); break; default: @@ -505,8 +514,7 @@ acpi_ex_data_table_space_handler ( logical_addr_ptr = ACPI_PHYSADDR_TO_PTR (address); - - /* Perform the memory read or write */ + /* Perform the memory read or write */ switch (function) { case ACPI_READ: diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c index 7936329a0e35..21d5c74fa309 100644 --- a/drivers/acpi/executer/exresnte.c +++ b/drivers/acpi/executer/exresnte.c @@ -210,15 +210,15 @@ acpi_ex_resolve_node_to_value ( case ACPI_TYPE_LOCAL_BANK_FIELD: case ACPI_TYPE_LOCAL_INDEX_FIELD: - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "field_read Node=%p source_desc=%p Type=%X\n", + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "field_read Node=%p source_desc=%p Type=%X\n", node, source_desc, entry_type)); status = acpi_ex_read_data_from_field (walk_state, source_desc, &obj_desc); break; - /* - * For these objects, just return the object attached to the Node - */ + /* For these objects, just return the object attached to the Node */ + case ACPI_TYPE_MUTEX: case ACPI_TYPE_METHOD: case ACPI_TYPE_POWER: @@ -233,12 +233,12 @@ acpi_ex_resolve_node_to_value ( acpi_ut_add_reference (obj_desc); break; - /* TYPE_ANY is untyped, and thus there is no object associated with it */ case ACPI_TYPE_ANY: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Untyped entry %p, no attached object!\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Untyped entry %p, no attached object!\n", node)); return_ACPI_STATUS (AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */ @@ -259,7 +259,8 @@ acpi_ex_resolve_node_to_value ( default: /* No named references are allowed here */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported Reference opcode %X (%s)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Unsupported Reference opcode %X (%s)\n", source_desc->reference.opcode, acpi_ps_get_opcode_name (source_desc->reference.opcode))); @@ -268,11 +269,12 @@ acpi_ex_resolve_node_to_value ( break; - /* Default case is for unknown types */ - default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Node %p - Unknown object type %X\n", + /* Default case is for unknown types */ + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Node %p - Unknown object type %X\n", node, entry_type)); return_ACPI_STATUS (AE_AML_OPERAND_TYPE); @@ -280,7 +282,7 @@ acpi_ex_resolve_node_to_value ( } /* switch (entry_type) */ - /* Put the object descriptor on the stack */ + /* Return the object descriptor */ *object_ptr = (void *) obj_desc; return_ACPI_STATUS (status); diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c index 7be604911156..3de45672379a 100644 --- a/drivers/acpi/executer/exresolv.c +++ b/drivers/acpi/executer/exresolv.c @@ -54,6 +54,13 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exresolv") +/* Local prototypes */ + +static acpi_status +acpi_ex_resolve_object_to_value ( + union acpi_operand_object **stack_ptr, + struct acpi_walk_state *walk_state); + /******************************************************************************* * @@ -96,6 +103,11 @@ acpi_ex_resolve_to_value ( if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } + + if (!*stack_ptr) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n")); + return_ACPI_STATUS (AE_AML_NO_OPERAND); + } } /* @@ -120,18 +132,17 @@ acpi_ex_resolve_to_value ( * * FUNCTION: acpi_ex_resolve_object_to_value * - * PARAMETERS: stack_ptr - Pointer to a stack location that contains a - * ptr to an internal object. + * PARAMETERS: stack_ptr - Pointer to an internal object * walk_state - Current method state * * RETURN: Status * - * DESCRIPTION: Retrieve the value from an internal object. The Reference type + * DESCRIPTION: Retrieve the value from an internal object. The Reference type * uses the associated AML opcode to determine the value. * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_resolve_object_to_value ( union acpi_operand_object **stack_ptr, struct acpi_walk_state *walk_state) @@ -159,7 +170,7 @@ acpi_ex_resolve_object_to_value ( case AML_NAME_OP: /* - * Convert indirect name ptr to a direct name ptr. + * Convert name reference to a namespace node * Then, acpi_ex_resolve_node_to_value can be used to get the value */ temp_node = stack_desc->reference.object; @@ -168,7 +179,7 @@ acpi_ex_resolve_object_to_value ( acpi_ut_remove_reference (stack_desc); - /* Put direct name pointer onto stack and exit */ + /* Return the namespace node */ (*stack_ptr) = temp_node; break; @@ -255,10 +266,19 @@ acpi_ex_resolve_object_to_value ( break; + case AML_INT_NAMEPATH_OP: /* Reference to a named object */ + + /* Get the object pointed to by the namespace node */ + + *stack_ptr = (stack_desc->reference.node)->object; + acpi_ut_add_reference (*stack_ptr); + acpi_ut_remove_reference (stack_desc); + break; default: - ACPI_REPORT_ERROR (("During resolve, Unknown Reference opcode %X (%s) in %p\n", + ACPI_REPORT_ERROR (( + "During resolve, Unknown Reference opcode %X (%s) in %p\n", opcode, acpi_ps_get_opcode_name (opcode), stack_desc)); status = AE_AML_INTERNAL; break; @@ -278,9 +298,8 @@ acpi_ex_resolve_object_to_value ( break; - /* - * These cases may never happen here, but just in case.. - */ + /* These cases may never happen here, but just in case.. */ + case ACPI_TYPE_BUFFER_FIELD: case ACPI_TYPE_LOCAL_REGION_FIELD: case ACPI_TYPE_LOCAL_BANK_FIELD: @@ -333,9 +352,8 @@ acpi_ex_resolve_multiple ( ACPI_FUNCTION_TRACE ("acpi_ex_resolve_multiple"); - /* - * Operand can be either a namespace node or an operand descriptor - */ + /* Operand can be either a namespace node or an operand descriptor */ + switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) { case ACPI_DESC_TYPE_OPERAND: type = obj_desc->common.type; @@ -357,10 +375,8 @@ acpi_ex_resolve_multiple ( return_ACPI_STATUS (AE_AML_OPERAND_TYPE); } + /* If type is anything other than a reference, we are done */ - /* - * If type is anything other than a reference, we are done - */ if (type != ACPI_TYPE_LOCAL_REFERENCE) { goto exit; } @@ -382,8 +398,9 @@ acpi_ex_resolve_multiple ( /* All "References" point to a NS node */ if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) { - ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", - node, acpi_ut_get_descriptor_name (node))); + ACPI_REPORT_ERROR (( + "acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", + node, acpi_ut_get_descriptor_name (node))); return_ACPI_STATUS (AE_AML_INTERNAL); } @@ -440,8 +457,9 @@ acpi_ex_resolve_multiple ( /* All "References" point to a NS node */ if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) { - ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", - node, acpi_ut_get_descriptor_name (node))); + ACPI_REPORT_ERROR (( + "acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", + node, acpi_ut_get_descriptor_name (node))); return_ACPI_STATUS (AE_AML_INTERNAL); } @@ -468,7 +486,7 @@ acpi_ex_resolve_multiple ( if (return_desc) { status = acpi_ds_method_data_get_value (obj_desc->reference.opcode, - obj_desc->reference.offset, walk_state, &obj_desc); + obj_desc->reference.offset, walk_state, &obj_desc); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -500,7 +518,8 @@ acpi_ex_resolve_multiple ( default: - ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Unknown Reference subtype %X\n", + ACPI_REPORT_ERROR (( + "acpi_ex_resolve_multiple: Unknown Reference subtype %X\n", obj_desc->reference.opcode)); return_ACPI_STATUS (AE_AML_INTERNAL); } diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c index c92890220c32..d8b470eefe7a 100644 --- a/drivers/acpi/executer/exresop.c +++ b/drivers/acpi/executer/exresop.c @@ -52,6 +52,14 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exresop") +/* Local prototypes */ + +static acpi_status +acpi_ex_check_object_type ( + acpi_object_type type_needed, + acpi_object_type this_type, + void *object); + /******************************************************************************* * @@ -67,7 +75,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_check_object_type ( acpi_object_type type_needed, acpi_object_type this_type, @@ -142,6 +150,7 @@ acpi_ex_resolve_operands ( const struct acpi_opcode_info *op_info; u32 this_arg_type; acpi_object_type type_needed; + u16 target_op = 0; ACPI_FUNCTION_TRACE_U32 ("ex_resolve_operands", opcode); @@ -160,7 +169,8 @@ acpi_ex_resolve_operands ( return_ACPI_STATUS (AE_AML_INTERNAL); } - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode %X [%s] required_operand_types=%8.8X \n", + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Opcode %X [%s] required_operand_types=%8.8X \n", opcode, op_info->name, arg_types)); /* @@ -187,7 +197,7 @@ acpi_ex_resolve_operands ( switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) { case ACPI_DESC_TYPE_NAMED: - /* Node */ + /* Namespace Node */ object_type = ((struct acpi_namespace_node *) obj_desc)->type; break; @@ -202,16 +212,16 @@ acpi_ex_resolve_operands ( /* Check for bad acpi_object_type */ if (!acpi_ut_valid_object_type (object_type)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad operand object type [%X]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Bad operand object type [%X]\n", object_type)); return_ACPI_STATUS (AE_AML_OPERAND_TYPE); } if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) { - /* - * Decode the Reference - */ + /* Decode the Reference */ + op_info = acpi_ps_get_opcode_info (opcode); if (op_info->class == AML_CLASS_UNKNOWN) { return_ACPI_STATUS (AE_AML_BAD_OPCODE); @@ -219,12 +229,17 @@ acpi_ex_resolve_operands ( switch (obj_desc->reference.opcode) { case AML_DEBUG_OP: + target_op = AML_DEBUG_OP; + + /*lint -fallthrough */ + case AML_NAME_OP: case AML_INDEX_OP: case AML_REF_OF_OP: case AML_ARG_OP: case AML_LOCAL_OP: - case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */ + case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */ + case AML_INT_NAMEPATH_OP: /* Reference to a named object */ ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Operand is a Reference, ref_opcode [%s]\n", @@ -254,10 +269,8 @@ acpi_ex_resolve_operands ( return_ACPI_STATUS (AE_AML_OPERAND_TYPE); } + /* Get one argument type, point to the next */ - /* - * Get one argument type, point to the next - */ this_arg_type = GET_CURRENT_ARG_TYPE (arg_types); INCREMENT_ARG_LIST (arg_types); @@ -271,26 +284,31 @@ acpi_ex_resolve_operands ( if ((ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_OPERAND) && (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_STRING)) { /* - * String found - the string references a named object and must be - * resolved to a node + * String found - the string references a named object and + * must be resolved to a node */ goto next_operand; } - /* Else not a string - fall through to the normal Reference case below */ + /* + * Else not a string - fall through to the normal Reference + * case below + */ /*lint -fallthrough */ case ARGI_REFERENCE: /* References: */ case ARGI_INTEGER_REF: case ARGI_OBJECT_REF: case ARGI_DEVICE_REF: - case ARGI_TARGETREF: /* Allows implicit conversion rules before store */ - case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */ - case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */ - - /* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE */ + case ARGI_TARGETREF: /* Allows implicit conversion rules before store */ + case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */ + case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */ - if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) /* Node (name) ptr OK as-is */ { + /* + * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE + * A Namespace Node is OK as-is + */ + if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) { goto next_operand; } @@ -300,11 +318,9 @@ acpi_ex_resolve_operands ( return_ACPI_STATUS (status); } - if (AML_NAME_OP == obj_desc->reference.opcode) { - /* - * Convert an indirect name ptr to direct name ptr and put - * it on the stack - */ + if (obj_desc->reference.opcode == AML_NAME_OP) { + /* Convert a named reference to the actual named object */ + temp_node = obj_desc->reference.object; acpi_ut_remove_reference (obj_desc); (*stack_ptr) = temp_node; @@ -332,7 +348,6 @@ acpi_ex_resolve_operands ( break; } - /* * Resolve this object to a value */ @@ -392,7 +407,7 @@ acpi_ex_resolve_operands ( /* * The more complex cases allow multiple resolved object types */ - case ARGI_INTEGER: /* Number */ + case ARGI_INTEGER: /* * Need an operand of type ACPI_TYPE_INTEGER, @@ -563,7 +578,7 @@ acpi_ex_resolve_operands ( case ARGI_REGION_OR_FIELD: - /* Need an operand of type ACPI_TYPE_REGION or a FIELD in a region */ + /* Need an operand of type REGION or a FIELD in a region */ switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_REGION: @@ -614,6 +629,12 @@ acpi_ex_resolve_operands ( break; } + if (target_op == AML_DEBUG_OP) { + /* Allow store of any object to the Debug object */ + + break; + } + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p\n", acpi_ut_get_object_type_name (obj_desc), obj_desc)); @@ -652,8 +673,7 @@ next_operand: if (GET_CURRENT_ARG_TYPE (arg_types)) { stack_ptr--; } - - } /* while (*Types) */ + } return_ACPI_STATUS (status); } diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c index e0fc6aba1253..2725db0901b8 100644 --- a/drivers/acpi/executer/exstore.c +++ b/drivers/acpi/executer/exstore.c @@ -48,11 +48,171 @@ #include <acpi/acinterp.h> #include <acpi/amlcode.h> #include <acpi/acnamesp.h> +#include <acpi/acparser.h> #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exstore") +/* Local prototypes */ + +static void +acpi_ex_do_debug_object ( + union acpi_operand_object *source_desc, + u32 level, + u32 index); + +static acpi_status +acpi_ex_store_object_to_index ( + union acpi_operand_object *val_desc, + union acpi_operand_object *dest_desc, + struct acpi_walk_state *walk_state); + + +/******************************************************************************* + * + * FUNCTION: acpi_ex_do_debug_object + * + * PARAMETERS: source_desc - Value to be stored + * Level - Indentation level (used for packages) + * Index - Current package element, zero if not pkg + * + * RETURN: None + * + * DESCRIPTION: Handles stores to the Debug Object. + * + ******************************************************************************/ + +static void +acpi_ex_do_debug_object ( + union acpi_operand_object *source_desc, + u32 level, + u32 index) +{ + u32 i; + + + ACPI_FUNCTION_TRACE_PTR ("ex_do_debug_object", source_desc); + + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s", + level, " ")); + + /* Display index for package output only */ + + if (index > 0) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, + "(%.2u) ", index -1)); + } + + if (!source_desc) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n")); + return_VOID; + } + + if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_OPERAND) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: ", + acpi_ut_get_object_type_name (source_desc))); + + if (!acpi_ut_valid_internal_object (source_desc)) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, + "%p, Invalid Internal Object!\n", source_desc)); + return_VOID; + } + } + else if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_NAMED) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: %p\n", + acpi_ut_get_type_name (((struct acpi_namespace_node *) source_desc)->type), + source_desc)); + return_VOID; + } + else { + return_VOID; + } + + switch (ACPI_GET_OBJECT_TYPE (source_desc)) { + case ACPI_TYPE_INTEGER: + + /* Output correct integer width */ + + if (acpi_gbl_integer_byte_width == 4) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n", + (u32) source_desc->integer.value)); + } + else { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n", + ACPI_FORMAT_UINT64 (source_desc->integer.value))); + } + break; + + case ACPI_TYPE_BUFFER: + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]", + (u32) source_desc->buffer.length)); + ACPI_DUMP_BUFFER (source_desc->buffer.pointer, + (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32); + break; + + case ACPI_TYPE_STRING: + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n", + source_desc->string.length, source_desc->string.pointer)); + break; + + case ACPI_TYPE_PACKAGE: + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X Elements]\n", + source_desc->package.count)); + + /* Output the entire contents of the package */ + + for (i = 0; i < source_desc->package.count; i++) { + acpi_ex_do_debug_object (source_desc->package.elements[i], + level+4, i+1); + } + break; + + case ACPI_TYPE_LOCAL_REFERENCE: + + if (source_desc->reference.opcode == AML_INDEX_OP) { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s, 0x%X]\n", + acpi_ps_get_opcode_name (source_desc->reference.opcode), + source_desc->reference.offset)); + } + else { + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s]\n", + acpi_ps_get_opcode_name (source_desc->reference.opcode))); + } + + + if (source_desc->reference.object) { + if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) == + ACPI_DESC_TYPE_NAMED) { + acpi_ex_do_debug_object (((struct acpi_namespace_node *) + source_desc->reference.object)->object, + level+4, 0); + } + else { + acpi_ex_do_debug_object (source_desc->reference.object, level+4, 0); + } + } + else if (source_desc->reference.node) { + acpi_ex_do_debug_object ((source_desc->reference.node)->object, + level+4, 0); + } + break; + + default: + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p %s\n", + source_desc, acpi_ut_get_object_type_name (source_desc))); + break; + } + + ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n")); + return_VOID; +} + /******************************************************************************* * @@ -154,8 +314,9 @@ acpi_ex_store ( /* Storing an object into a Name "container" */ - status = acpi_ex_store_object_to_node (source_desc, ref_desc->reference.object, - walk_state, ACPI_IMPLICIT_CONVERSION); + status = acpi_ex_store_object_to_node (source_desc, + ref_desc->reference.object, + walk_state, ACPI_IMPLICIT_CONVERSION); break; @@ -173,7 +334,7 @@ acpi_ex_store ( /* Store to a method local/arg */ status = acpi_ds_store_object_to_local (ref_desc->reference.opcode, - ref_desc->reference.offset, source_desc, walk_state); + ref_desc->reference.offset, source_desc, walk_state); break; @@ -187,60 +348,7 @@ acpi_ex_store ( "**** Write to Debug Object: Object %p %s ****:\n\n", source_desc, acpi_ut_get_object_type_name (source_desc))); - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ", - acpi_ut_get_object_type_name (source_desc))); - - if (!acpi_ut_valid_internal_object (source_desc)) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, - "%p, Invalid Internal Object!\n", source_desc)); - break; - } - - switch (ACPI_GET_OBJECT_TYPE (source_desc)) { - case ACPI_TYPE_INTEGER: - - if (acpi_gbl_integer_byte_width == 4) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n", - (u32) source_desc->integer.value)); - } - else { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (source_desc->integer.value))); - } - break; - - - case ACPI_TYPE_BUFFER: - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]", - (u32) source_desc->buffer.length)); - ACPI_DUMP_BUFFER (source_desc->buffer.pointer, - (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32); - break; - - - case ACPI_TYPE_STRING: - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n", - source_desc->string.length, source_desc->string.pointer)); - break; - - - case ACPI_TYPE_PACKAGE: - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] Elements Ptr - %p\n", - source_desc->package.count, source_desc->package.elements)); - break; - - - default: - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p\n", - source_desc)); - break; - } - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n")); + acpi_ex_do_debug_object (source_desc, 0, 0); break; @@ -272,7 +380,7 @@ acpi_ex_store ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ex_store_object_to_index ( union acpi_operand_object *source_desc, union acpi_operand_object *index_desc, @@ -313,16 +421,22 @@ acpi_ex_store_object_to_index ( if (obj_desc) { /* Decrement reference count by the ref count of the parent package */ - for (i = 0; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) { + for (i = 0; + i < ((union acpi_operand_object *) + index_desc->reference.object)->common.reference_count; + i++) { acpi_ut_remove_reference (obj_desc); } } *(index_desc->reference.where) = new_desc; - /* Increment reference count by the ref count of the parent package -1 */ + /* Increment ref count by the ref count of the parent package-1 */ - for (i = 1; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) { + for (i = 1; + i < ((union acpi_operand_object *) + index_desc->reference.object)->common.reference_count; + i++) { acpi_ut_add_reference (new_desc); } @@ -440,9 +554,8 @@ acpi_ex_store_object_to_node ( ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_node", source_desc); - /* - * Get current type of the node, and object attached to Node - */ + /* Get current type of the node, and object attached to Node */ + target_type = acpi_ns_get_type (node); target_desc = acpi_ns_get_attached_object (node); @@ -467,19 +580,18 @@ acpi_ex_store_object_to_node ( target_type = ACPI_TYPE_ANY; } - /* - * Do the actual store operation - */ + /* Do the actual store operation */ + switch (target_type) { case ACPI_TYPE_BUFFER_FIELD: case ACPI_TYPE_LOCAL_REGION_FIELD: case ACPI_TYPE_LOCAL_BANK_FIELD: case ACPI_TYPE_LOCAL_INDEX_FIELD: - /* - * For fields, copy the source data to the target field. - */ - status = acpi_ex_write_data_to_field (source_desc, target_desc, &walk_state->result_obj); + /* For fields, copy the source data to the target field. */ + + status = acpi_ex_write_data_to_field (source_desc, target_desc, + &walk_state->result_obj); break; @@ -493,7 +605,8 @@ acpi_ex_store_object_to_node ( * * Copy and/or convert the source object to a new target object */ - status = acpi_ex_store_object_to_object (source_desc, target_desc, &new_desc, walk_state); + status = acpi_ex_store_object_to_object (source_desc, target_desc, + &new_desc, walk_state); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -526,7 +639,8 @@ acpi_ex_store_object_to_node ( /* No conversions for all other types. Just attach the source object */ - status = acpi_ns_attach_object (node, source_desc, ACPI_GET_OBJECT_TYPE (source_desc)); + status = acpi_ns_attach_object (node, source_desc, + ACPI_GET_OBJECT_TYPE (source_desc)); break; } diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c index d3677feb07fd..120f30ed0bd4 100644 --- a/drivers/acpi/executer/exstoren.c +++ b/drivers/acpi/executer/exstoren.c @@ -81,9 +81,8 @@ acpi_ex_resolve_object ( ACPI_FUNCTION_TRACE ("ex_resolve_object"); - /* - * Ensure we have a Target that can be stored to - */ + /* Ensure we have a Target that can be stored to */ + switch (target_type) { case ACPI_TYPE_BUFFER_FIELD: case ACPI_TYPE_LOCAL_REGION_FIELD: @@ -118,16 +117,14 @@ acpi_ex_resolve_object ( break; } - /* - * Must have a Integer, Buffer, or String - */ + /* Must have a Integer, Buffer, or String */ + if ((ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER) && (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) && (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING) && !((ACPI_GET_OBJECT_TYPE (source_desc) == ACPI_TYPE_LOCAL_REFERENCE) && (source_desc->reference.opcode == AML_LOAD_OP))) { - /* - * Conversion successful but still not a valid type - */ + /* Conversion successful but still not a valid type */ + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Cannot assign type %s to %s (must be type Int/Str/Buf)\n", acpi_ut_get_object_type_name (source_desc), @@ -140,9 +137,8 @@ acpi_ex_resolve_object ( case ACPI_TYPE_LOCAL_ALIAS: case ACPI_TYPE_LOCAL_METHOD_ALIAS: - /* - * Aliases are resolved by acpi_ex_prep_operands - */ + /* Aliases are resolved by acpi_ex_prep_operands */ + ACPI_REPORT_ERROR (("Store into Alias - should never happen\n")); status = AE_AML_INTERNAL; break; diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c index 05e1ecae8d92..12d1527669c8 100644 --- a/drivers/acpi/executer/exstorob.c +++ b/drivers/acpi/executer/exstorob.c @@ -128,7 +128,8 @@ acpi_ex_store_buffer_to_buffer ( else { /* Truncate the source, copy only what will fit */ - ACPI_MEMCPY (target_desc->buffer.pointer, buffer, target_desc->buffer.length); + ACPI_MEMCPY (target_desc->buffer.pointer, buffer, + target_desc->buffer.length); ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Truncating source buffer from %X to %X\n", @@ -183,7 +184,8 @@ acpi_ex_store_string_to_string ( * String will fit in existing non-static buffer. * Clear old string and copy in the new one */ - ACPI_MEMSET (target_desc->string.pointer, 0, (acpi_size) target_desc->string.length + 1); + ACPI_MEMSET (target_desc->string.pointer, 0, + (acpi_size) target_desc->string.length + 1); ACPI_MEMCPY (target_desc->string.pointer, buffer, length); } else { @@ -198,7 +200,8 @@ acpi_ex_store_string_to_string ( ACPI_MEM_FREE (target_desc->string.pointer); } - target_desc->string.pointer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1); + target_desc->string.pointer = ACPI_MEM_CALLOCATE ( + (acpi_size) length + 1); if (!target_desc->string.pointer) { return_ACPI_STATUS (AE_NO_MEMORY); } diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c index f92efc512890..cafa702108dc 100644 --- a/drivers/acpi/executer/exsystem.c +++ b/drivers/acpi/executer/exsystem.c @@ -55,8 +55,8 @@ * * FUNCTION: acpi_ex_system_wait_semaphore * - * PARAMETERS: Semaphore - OSD semaphore to wait on - * Timeout - Max time to wait + * PARAMETERS: Semaphore - Semaphore to wait on + * Timeout - Max time to wait * * RETURN: Status * @@ -90,7 +90,8 @@ acpi_ex_system_wait_semaphore ( status = acpi_os_wait_semaphore (semaphore, 1, timeout); - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*** Thread awake after blocking, %s\n", + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "*** Thread awake after blocking, %s\n", acpi_format_exception (status))); /* Reacquire the interpreter */ @@ -111,8 +112,8 @@ acpi_ex_system_wait_semaphore ( * * FUNCTION: acpi_ex_system_do_stall * - * PARAMETERS: how_long - The amount of time to stall, - * in microseconds + * PARAMETERS: how_long - The amount of time to stall, + * in microseconds * * RETURN: Status * @@ -141,7 +142,8 @@ acpi_ex_system_do_stall ( * (ACPI specifies 100 usec as max, but this gives some slack in * order to support existing BIOSs) */ - ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n", how_long)); + ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n", + how_long)); status = AE_AML_OPERAND_VALUE; } else { @@ -156,8 +158,8 @@ acpi_ex_system_do_stall ( * * FUNCTION: acpi_ex_system_do_suspend * - * PARAMETERS: how_long - The amount of time to suspend, - * in milliseconds + * PARAMETERS: how_long - The amount of time to suspend, + * in milliseconds * * RETURN: None * @@ -192,8 +194,8 @@ acpi_ex_system_do_suspend ( * * FUNCTION: acpi_ex_system_acquire_mutex * - * PARAMETERS: *time_desc - The 'time to delay' object descriptor - * *obj_desc - The object descriptor for this op + * PARAMETERS: time_desc - The 'time to delay' object descriptor + * obj_desc - The object descriptor for this op * * RETURN: Status * @@ -218,16 +220,15 @@ acpi_ex_system_acquire_mutex ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* - * Support for the _GL_ Mutex object -- go get the global lock - */ + /* Support for the _GL_ Mutex object -- go get the global lock */ + if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) { status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value); return_ACPI_STATUS (status); } status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore, - (u16) time_desc->integer.value); + (u16) time_desc->integer.value); return_ACPI_STATUS (status); } @@ -236,7 +237,7 @@ acpi_ex_system_acquire_mutex ( * * FUNCTION: acpi_ex_system_release_mutex * - * PARAMETERS: *obj_desc - The object descriptor for this op + * PARAMETERS: obj_desc - The object descriptor for this op * * RETURN: Status * @@ -261,9 +262,8 @@ acpi_ex_system_release_mutex ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* - * Support for the _GL_ Mutex object -- release the global lock - */ + /* Support for the _GL_ Mutex object -- release the global lock */ + if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) { status = acpi_ev_release_global_lock (); return_ACPI_STATUS (status); @@ -278,9 +278,9 @@ acpi_ex_system_release_mutex ( * * FUNCTION: acpi_ex_system_signal_event * - * PARAMETERS: *obj_desc - The object descriptor for this op + * PARAMETERS: obj_desc - The object descriptor for this op * - * RETURN: AE_OK + * RETURN: Status * * DESCRIPTION: Provides an access point to perform synchronization operations * within the AML. @@ -309,8 +309,8 @@ acpi_ex_system_signal_event ( * * FUNCTION: acpi_ex_system_wait_event * - * PARAMETERS: *time_desc - The 'time to delay' object descriptor - * *obj_desc - The object descriptor for this op + * PARAMETERS: time_desc - The 'time to delay' object descriptor + * obj_desc - The object descriptor for this op * * RETURN: Status * @@ -333,7 +333,7 @@ acpi_ex_system_wait_event ( if (obj_desc) { status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore, - (u16) time_desc->integer.value); + (u16) time_desc->integer.value); } return_ACPI_STATUS (status); @@ -344,7 +344,7 @@ acpi_ex_system_wait_event ( * * FUNCTION: acpi_ex_system_reset_event * - * PARAMETERS: *obj_desc - The object descriptor for this op + * PARAMETERS: obj_desc - The object descriptor for this op * * RETURN: Status * diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c index 40c6abb8b49a..5c7ec0c04177 100644 --- a/drivers/acpi/executer/exutils.c +++ b/drivers/acpi/executer/exutils.c @@ -67,22 +67,31 @@ #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME ("exutils") +/* Local prototypes */ -#ifndef ACPI_NO_METHOD_EXECUTION +static u32 +acpi_ex_digits_needed ( + acpi_integer value, + u32 base); + +#ifndef ACPI_NO_METHOD_EXECUTION /******************************************************************************* * * FUNCTION: acpi_ex_enter_interpreter * * PARAMETERS: None * + * RETURN: Status + * * DESCRIPTION: Enter the interpreter execution region. Failure to enter * the interpreter region is a fatal system error * ******************************************************************************/ acpi_status -acpi_ex_enter_interpreter (void) +acpi_ex_enter_interpreter ( + void) { acpi_status status; @@ -104,6 +113,8 @@ acpi_ex_enter_interpreter (void) * * PARAMETERS: None * + * RETURN: None + * * DESCRIPTION: Exit the interpreter execution region * * Cases where the interpreter is unlocked: @@ -119,7 +130,8 @@ acpi_ex_enter_interpreter (void) ******************************************************************************/ void -acpi_ex_exit_interpreter (void) +acpi_ex_exit_interpreter ( + void) { acpi_status status; @@ -212,7 +224,8 @@ acpi_ex_acquire_global_lock ( locked = TRUE; } else { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not acquire Global Lock, %s\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Could not acquire Global Lock, %s\n", acpi_format_exception (status))); } } @@ -228,7 +241,7 @@ acpi_ex_acquire_global_lock ( * PARAMETERS: locked_by_me - Return value from corresponding call to * acquire_global_lock. * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Release the global lock if it is locked. * @@ -269,11 +282,14 @@ acpi_ex_release_global_lock ( * PARAMETERS: Value - Value to be represented * Base - Base of representation * - * RETURN: the number of digits needed to represent Value in Base + * RETURN: The number of digits. + * + * DESCRIPTION: Calculate the number of digits needed to represent the Value + * in the given Base (Radix) * ******************************************************************************/ -u32 +static u32 acpi_ex_digits_needed ( acpi_integer value, u32 base) @@ -312,6 +328,8 @@ acpi_ex_digits_needed ( * PARAMETERS: numeric_id - EISA ID to be converted * out_string - Where to put the converted string (8 bytes) * + * RETURN: None + * * DESCRIPTION: Convert a numeric EISA ID to string representation * ******************************************************************************/ @@ -349,7 +367,10 @@ acpi_ex_eisa_id_to_string ( * PARAMETERS: Value - Value to be converted * out_string - Where to put the converted string (8 bytes) * - * RETURN: Convert a number to string representation + * RETURN: None, string + * + * DESCRIPTOIN: Convert a number to string representation. Assumes string + * buffer is large enough to hold the string. * ******************************************************************************/ diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c new file mode 100644 index 000000000000..770cfc8b17e0 --- /dev/null +++ b/drivers/acpi/glue.c @@ -0,0 +1,360 @@ +/* + * Link physical devices with ACPI devices support + * + * Copyright (c) 2005 David Shaohua Li <shaohua.li@intel.com> + * Copyright (c) 2005 Intel Corp. + * + * This file is released under the GPLv2. + */ +#include <linux/init.h> +#include <linux/list.h> +#include <linux/device.h> +#include <linux/rwsem.h> +#include <linux/acpi.h> + +#define ACPI_GLUE_DEBUG 0 +#if ACPI_GLUE_DEBUG +#define DBG(x...) printk(PREFIX x) +#else +#define DBG(x...) +#endif +static LIST_HEAD(bus_type_list); +static DECLARE_RWSEM(bus_type_sem); + +int register_acpi_bus_type(struct acpi_bus_type *type) +{ + if (acpi_disabled) + return -ENODEV; + if (type && type->bus && type->find_device) { + down_write(&bus_type_sem); + list_add_tail(&type->list, &bus_type_list); + up_write(&bus_type_sem); + printk(KERN_INFO PREFIX "bus type %s registered\n", type->bus->name); + return 0; + } + return -ENODEV; +} + +EXPORT_SYMBOL(register_acpi_bus_type); + +int unregister_acpi_bus_type(struct acpi_bus_type *type) +{ + if (acpi_disabled) + return 0; + if (type) { + down_write(&bus_type_sem); + list_del_init(&type->list); + up_write(&bus_type_sem); + printk(KERN_INFO PREFIX "ACPI bus type %s unregistered\n", type->bus->name); + return 0; + } + return -ENODEV; +} + +EXPORT_SYMBOL(unregister_acpi_bus_type); + +static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type) +{ + struct acpi_bus_type *tmp, *ret = NULL; + + down_read(&bus_type_sem); + list_for_each_entry(tmp, &bus_type_list, list) { + if (tmp->bus == type) { + ret = tmp; + break; + } + } + up_read(&bus_type_sem); + return ret; +} + +static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle) +{ + struct acpi_bus_type *tmp; + int ret = -ENODEV; + + down_read(&bus_type_sem); + list_for_each_entry(tmp, &bus_type_list, list) { + if (tmp->find_bridge && !tmp->find_bridge(dev, handle)) { + ret = 0; + break; + } + } + up_read(&bus_type_sem); + return ret; +} + +/* Get PCI root bridge's handle from its segment and bus number */ +struct acpi_find_pci_root { + unsigned int seg; + unsigned int bus; + acpi_handle handle; +}; + +static acpi_status +do_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) +{ + int *busnr = (int *)data; + struct acpi_resource_address64 address; + + if (resource->id != ACPI_RSTYPE_ADDRESS16 && + resource->id != ACPI_RSTYPE_ADDRESS32 && + resource->id != ACPI_RSTYPE_ADDRESS64) + return AE_OK; + + acpi_resource_to_address64(resource, &address); + if ((address.address_length > 0) && + (address.resource_type == ACPI_BUS_NUMBER_RANGE)) + *busnr = address.min_address_range; + + return AE_OK; +} + +static int get_root_bridge_busnr(acpi_handle handle) +{ + acpi_status status; + int bus, bbn; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + + acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); + + status = acpi_evaluate_integer(handle, METHOD_NAME__BBN, NULL, + (unsigned long *)&bbn); + if (status == AE_NOT_FOUND) { + /* Assume bus = 0 */ + printk(KERN_INFO PREFIX + "Assume root bridge [%s] bus is 0\n", + (char *)buffer.pointer); + status = AE_OK; + bbn = 0; + } + if (ACPI_FAILURE(status)) { + bbn = -ENODEV; + goto exit; + } + if (bbn > 0) + goto exit; + + /* _BBN in some systems return 0 for all root bridges */ + bus = -1; + status = acpi_walk_resources(handle, METHOD_NAME__CRS, + do_root_bridge_busnr_callback, &bus); + /* If _CRS failed, we just use _BBN */ + if (ACPI_FAILURE(status) || (bus == -1)) + goto exit; + /* We select _CRS */ + if (bbn != bus) { + printk(KERN_INFO PREFIX + "_BBN and _CRS returns different value for %s. Select _CRS\n", + (char *)buffer.pointer); + bbn = bus; + } + exit: + acpi_os_free(buffer.pointer); + return bbn; +} + +static acpi_status +find_pci_rootbridge(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + struct acpi_find_pci_root *find = (struct acpi_find_pci_root *)context; + unsigned long seg, bus; + acpi_status status; + int tmp; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + + acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); + + status = acpi_evaluate_integer(handle, METHOD_NAME__SEG, NULL, &seg); + if (status == AE_NOT_FOUND) { + /* Assume seg = 0 */ + printk(KERN_INFO PREFIX + "Assume root bridge [%s] segment is 0\n", + (char *)buffer.pointer); + status = AE_OK; + seg = 0; + } + if (ACPI_FAILURE(status)) { + status = AE_CTRL_DEPTH; + goto exit; + } + + tmp = get_root_bridge_busnr(handle); + if (tmp < 0) { + printk(KERN_ERR PREFIX + "Find root bridge failed for %s\n", + (char *)buffer.pointer); + status = AE_CTRL_DEPTH; + goto exit; + } + bus = tmp; + + if (seg == find->seg && bus == find->bus) + find->handle = handle; + status = AE_OK; + exit: + acpi_os_free(buffer.pointer); + return status; +} + +acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus) +{ + struct acpi_find_pci_root find = { seg, bus, NULL }; + + acpi_get_devices(PCI_ROOT_HID_STRING, find_pci_rootbridge, &find, NULL); + return find.handle; +} + +/* Get device's handler per its address under its parent */ +struct acpi_find_child { + acpi_handle handle; + acpi_integer address; +}; + +static acpi_status +do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + acpi_status status; + struct acpi_device_info *info; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_find_child *find = (struct acpi_find_child *)context; + + status = acpi_get_object_info(handle, &buffer); + if (ACPI_SUCCESS(status)) { + info = buffer.pointer; + if (info->address == find->address) + find->handle = handle; + acpi_os_free(buffer.pointer); + } + return AE_OK; +} + +acpi_handle acpi_get_child(acpi_handle parent, acpi_integer address) +{ + struct acpi_find_child find = { NULL, address }; + + if (!parent) + return NULL; + acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, + 1, do_acpi_find_child, &find, NULL); + return find.handle; +} + +EXPORT_SYMBOL(acpi_get_child); + +/* Link ACPI devices with physical devices */ +static void acpi_glue_data_handler(acpi_handle handle, + u32 function, void *context) +{ + /* we provide an empty handler */ +} + +/* Note: a success call will increase reference count by one */ +struct device *acpi_get_physical_device(acpi_handle handle) +{ + acpi_status status; + struct device *dev; + + status = acpi_get_data(handle, acpi_glue_data_handler, (void **)&dev); + if (ACPI_SUCCESS(status)) + return get_device(dev); + return NULL; +} + +EXPORT_SYMBOL(acpi_get_physical_device); + +static int acpi_bind_one(struct device *dev, acpi_handle handle) +{ + acpi_status status; + + if (dev->firmware_data) { + printk(KERN_WARNING PREFIX + "Drivers changed 'firmware_data' for %s\n", dev->bus_id); + return -EINVAL; + } + get_device(dev); + status = acpi_attach_data(handle, acpi_glue_data_handler, dev); + if (ACPI_FAILURE(status)) { + put_device(dev); + return -EINVAL; + } + dev->firmware_data = handle; + + return 0; +} + +static int acpi_unbind_one(struct device *dev) +{ + if (!dev->firmware_data) + return 0; + if (dev == acpi_get_physical_device(dev->firmware_data)) { + /* acpi_get_physical_device increase refcnt by one */ + put_device(dev); + acpi_detach_data(dev->firmware_data, acpi_glue_data_handler); + dev->firmware_data = NULL; + /* acpi_bind_one increase refcnt by one */ + put_device(dev); + } else { + printk(KERN_ERR PREFIX + "Oops, 'firmware_data' corrupt for %s\n", dev->bus_id); + } + return 0; +} + +static int acpi_platform_notify(struct device *dev) +{ + struct acpi_bus_type *type; + acpi_handle handle; + int ret = -EINVAL; + + if (!dev->bus || !dev->parent) { + /* bridge devices genernally haven't bus or parent */ + ret = acpi_find_bridge_device(dev, &handle); + goto end; + } + type = acpi_get_bus_type(dev->bus); + if (!type) { + DBG("No ACPI bus support for %s\n", dev->bus_id); + ret = -EINVAL; + goto end; + } + if ((ret = type->find_device(dev, &handle)) != 0) + DBG("Can't get handler for %s\n", dev->bus_id); + end: + if (!ret) + acpi_bind_one(dev, handle); + +#if ACPI_GLUE_DEBUG + if (!ret) { + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + + acpi_get_name(dev->firmware_data, ACPI_FULL_PATHNAME, &buffer); + DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer); + acpi_os_free(buffer.pointer); + } else + DBG("Device %s -> No ACPI support\n", dev->bus_id); +#endif + + return ret; +} + +static int acpi_platform_notify_remove(struct device *dev) +{ + acpi_unbind_one(dev); + return 0; +} + +static int __init init_acpi_device_notify(void) +{ + if (acpi_disabled) + return 0; + if (platform_notify || platform_notify_remove) { + printk(KERN_ERR PREFIX "Can't use platform_notify\n"); + return 0; + } + platform_notify = acpi_platform_notify; + platform_notify_remove = acpi_platform_notify_remove; + return 0; +} + +arch_initcall(init_acpi_device_notify); diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/hardware/hwacpi.c index 529e922bdc85..b51001e74eea 100644 --- a/drivers/acpi/hardware/hwacpi.c +++ b/drivers/acpi/hardware/hwacpi.c @@ -58,7 +58,8 @@ * * RETURN: Status * - * DESCRIPTION: Initialize and validate various ACPI registers + * DESCRIPTION: Initialize and validate the various ACPI registers defined in + * the FADT. * ******************************************************************************/ @@ -75,7 +76,7 @@ acpi_hw_initialize ( /* We must have the ACPI tables by the time we get here */ if (!acpi_gbl_FADT) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "A FADT is not loaded\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No FADT is present\n")); return_ACPI_STATUS (AE_NO_ACPI_TABLES); } @@ -131,7 +132,8 @@ acpi_hw_set_mode ( * transitions are not supported. */ if (!acpi_gbl_FADT->acpi_enable && !acpi_gbl_FADT->acpi_disable) { - ACPI_REPORT_ERROR (("No ACPI mode transition supported in this system (enable/disable both zero)\n")); + ACPI_REPORT_ERROR (( + "No ACPI mode transition supported in this system (enable/disable both zero)\n")); return_ACPI_STATUS (AE_OK); } @@ -162,7 +164,8 @@ acpi_hw_set_mode ( } if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not write mode change, %s\n", acpi_format_exception (status))); + ACPI_REPORT_ERROR (("Could not write mode change, %s\n", + acpi_format_exception (status))); return_ACPI_STATUS (status); } @@ -173,7 +176,8 @@ acpi_hw_set_mode ( retry = 3000; while (retry) { if (acpi_hw_get_mode() == mode) { - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Mode %X successfully enabled\n", mode)); + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Mode %X successfully enabled\n", + mode)); return_ACPI_STATUS (AE_OK); } acpi_os_stall(1000); @@ -185,7 +189,7 @@ acpi_hw_set_mode ( } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_hw_get_mode * @@ -199,7 +203,8 @@ acpi_hw_set_mode ( ******************************************************************************/ u32 -acpi_hw_get_mode (void) +acpi_hw_get_mode ( + void) { acpi_status status; u32 value; diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c index 9ac1d639bf51..8daeabb2fc7a 100644 --- a/drivers/acpi/hardware/hwgpe.c +++ b/drivers/acpi/hardware/hwgpe.c @@ -48,6 +48,13 @@ #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME ("hwgpe") +/* Local prototypes */ + +static acpi_status +acpi_hw_enable_wakeup_gpe_block ( + struct acpi_gpe_xrupt_info *gpe_xrupt_info, + struct acpi_gpe_block_info *gpe_block); + /****************************************************************************** * @@ -135,6 +142,7 @@ acpi_hw_clear_gpe ( * DESCRIPTION: Return the status of a single GPE. * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_hw_get_gpe_status ( @@ -206,7 +214,7 @@ unlock_and_exit: * * RETURN: Status * - * DESCRIPTION: Disable all GPEs within a GPE block + * DESCRIPTION: Disable all GPEs within a single GPE block * ******************************************************************************/ @@ -244,7 +252,7 @@ acpi_hw_disable_gpe_block ( * * RETURN: Status * - * DESCRIPTION: Clear status bits for all GPEs within a GPE block + * DESCRIPTION: Clear status bits for all GPEs within a single GPE block * ******************************************************************************/ @@ -282,8 +290,8 @@ acpi_hw_clear_gpe_block ( * * RETURN: Status * - * DESCRIPTION: Enable all "runtime" GPEs within a GPE block. (Includes - * combination wake/run GPEs.) + * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes + * combination wake/run GPEs. * ******************************************************************************/ @@ -327,12 +335,12 @@ acpi_hw_enable_runtime_gpe_block ( * * RETURN: Status * - * DESCRIPTION: Enable all "wake" GPEs within a GPE block. (Includes - * combination wake/run GPEs.) + * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes + * combination wake/run GPEs. * ******************************************************************************/ -acpi_status +static acpi_status acpi_hw_enable_wakeup_gpe_block ( struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block) @@ -350,7 +358,8 @@ acpi_hw_enable_wakeup_gpe_block ( /* Enable all "wake" GPEs in this register */ - status = acpi_hw_low_level_write (8, gpe_block->register_info[i].enable_for_wake, + status = acpi_hw_low_level_write (8, + gpe_block->register_info[i].enable_for_wake, &gpe_block->register_info[i].enable_address); if (ACPI_FAILURE (status)) { return (status); @@ -369,7 +378,7 @@ acpi_hw_enable_wakeup_gpe_block ( * * RETURN: Status * - * DESCRIPTION: Disable and clear all GPEs + * DESCRIPTION: Disable and clear all GPEs in all GPE blocks * ******************************************************************************/ @@ -397,7 +406,7 @@ acpi_hw_disable_all_gpes ( * * RETURN: Status * - * DESCRIPTION: Enable all GPEs of the given type + * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks * ******************************************************************************/ @@ -424,7 +433,7 @@ acpi_hw_enable_all_runtime_gpes ( * * RETURN: Status * - * DESCRIPTION: Enable all GPEs of the given type + * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks * ******************************************************************************/ diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c index 91af0c2ddcf7..6d9e4eb84836 100644 --- a/drivers/acpi/hardware/hwregs.c +++ b/drivers/acpi/hardware/hwregs.c @@ -87,8 +87,9 @@ acpi_hw_clear_acpi_status ( } } - status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, - ACPI_BITMASK_ALL_FIXED_STATUS); + status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1_STATUS, + ACPI_BITMASK_ALL_FIXED_STATUS); if (ACPI_FAILURE (status)) { goto unlock_and_exit; } @@ -138,28 +139,30 @@ acpi_get_sleep_type_data ( { acpi_status status = AE_OK; struct acpi_parameter_info info; + char *sleep_state_name; ACPI_FUNCTION_TRACE ("acpi_get_sleep_type_data"); - /* - * Validate parameters - */ + /* Validate parameters */ + if ((sleep_state > ACPI_S_STATES_MAX) || !sleep_type_a || !sleep_type_b) { return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* - * Evaluate the namespace object containing the values for this state - */ + /* Evaluate the namespace object containing the values for this state */ + info.parameters = NULL; - status = acpi_ns_evaluate_by_name ((char *) acpi_gbl_sleep_state_names[sleep_state], - &info); + info.return_object = NULL; + sleep_state_name = (char *) acpi_gbl_sleep_state_names[sleep_state]; + + status = acpi_ns_evaluate_by_name (sleep_state_name, &info); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s while evaluating sleep_state [%s]\n", - acpi_format_exception (status), acpi_gbl_sleep_state_names[sleep_state])); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "%s while evaluating sleep_state [%s]\n", + acpi_format_exception (status), sleep_state_name)); return_ACPI_STATUS (status); } @@ -167,45 +170,57 @@ acpi_get_sleep_type_data ( /* Must have a return object */ if (!info.return_object) { - ACPI_REPORT_ERROR (("Missing Sleep State object\n")); + ACPI_REPORT_ERROR (("No Sleep State object returned from [%s]\n", + sleep_state_name)); status = AE_NOT_EXIST; } /* It must be of type Package */ else if (ACPI_GET_OBJECT_TYPE (info.return_object) != ACPI_TYPE_PACKAGE) { - ACPI_REPORT_ERROR (("Sleep State object not a Package\n")); + ACPI_REPORT_ERROR (("Sleep State return object is not a Package\n")); status = AE_AML_OPERAND_TYPE; } - /* The package must have at least two elements */ - + /* + * The package must have at least two elements. NOTE (March 2005): This + * goes against the current ACPI spec which defines this object as a + * package with one encoded DWORD element. However, existing practice + * by BIOS vendors seems to be to have 2 or more elements, at least + * one per sleep type (A/B). + */ else if (info.return_object->package.count < 2) { - ACPI_REPORT_ERROR (("Sleep State package does not have at least two elements\n")); + ACPI_REPORT_ERROR (( + "Sleep State return package does not have at least two elements\n")); status = AE_AML_NO_OPERAND; } /* The first two elements must both be of type Integer */ - else if ((ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[0]) != ACPI_TYPE_INTEGER) || - (ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[1]) != ACPI_TYPE_INTEGER)) { - ACPI_REPORT_ERROR (("Sleep State package elements are not both Integers (%s, %s)\n", + else if ((ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[0]) + != ACPI_TYPE_INTEGER) || + (ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[1]) + != ACPI_TYPE_INTEGER)) { + ACPI_REPORT_ERROR (( + "Sleep State return package elements are not both Integers (%s, %s)\n", acpi_ut_get_object_type_name (info.return_object->package.elements[0]), acpi_ut_get_object_type_name (info.return_object->package.elements[1]))); status = AE_AML_OPERAND_TYPE; } else { - /* - * Valid _Sx_ package size, type, and value - */ - *sleep_type_a = (u8) (info.return_object->package.elements[0])->integer.value; - *sleep_type_b = (u8) (info.return_object->package.elements[1])->integer.value; + /* Valid _Sx_ package size, type, and value */ + + *sleep_type_a = (u8) + (info.return_object->package.elements[0])->integer.value; + *sleep_type_b = (u8) + (info.return_object->package.elements[1])->integer.value; } if (ACPI_FAILURE (status)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "While evaluating sleep_state [%s], bad Sleep object %p type %s\n", - acpi_gbl_sleep_state_names[sleep_state], info.return_object, + "%s While evaluating sleep_state [%s], bad Sleep object %p type %s\n", + acpi_format_exception (status), + sleep_state_name, info.return_object, acpi_ut_get_object_type_name (info.return_object))); } @@ -221,9 +236,9 @@ EXPORT_SYMBOL(acpi_get_sleep_type_data); * * PARAMETERS: register_id - Index of ACPI Register to access * - * RETURN: The bit mask to be used when accessing the register + * RETURN: The bitmask to be used when accessing the register * - * DESCRIPTION: Map register_id into a register bit mask. + * DESCRIPTION: Map register_id into a register bitmask. * ******************************************************************************/ @@ -359,7 +374,7 @@ acpi_set_register ( /* Always do a register read first so we can insert the new bits */ status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, - bit_reg_info->parent_register, ®ister_value); + bit_reg_info->parent_register, ®ister_value); if (ACPI_FAILURE (status)) { goto unlock_and_exit; } @@ -396,7 +411,7 @@ acpi_set_register ( bit_reg_info->access_bit_mask, value); status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, - ACPI_REGISTER_PM1_ENABLE, (u16) register_value); + ACPI_REGISTER_PM1_ENABLE, (u16) register_value); break; @@ -413,7 +428,7 @@ acpi_set_register ( bit_reg_info->access_bit_mask, value); status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, - ACPI_REGISTER_PM1_CONTROL, (u16) register_value); + ACPI_REGISTER_PM1_CONTROL, (u16) register_value); break; @@ -427,17 +442,19 @@ acpi_set_register ( ACPI_DEBUG_PRINT ((ACPI_DB_IO, "PM2 control: Read %X from %8.8X%8.8X\n", register_value, - ACPI_FORMAT_UINT64 (acpi_gbl_FADT->xpm2_cnt_blk.address))); + ACPI_FORMAT_UINT64 ( + acpi_gbl_FADT->xpm2_cnt_blk.address))); ACPI_REGISTER_INSERT_VALUE (register_value, bit_reg_info->bit_position, bit_reg_info->access_bit_mask, value); ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %4.4X to %8.8X%8.8X\n", register_value, - ACPI_FORMAT_UINT64 (acpi_gbl_FADT->xpm2_cnt_blk.address))); + ACPI_FORMAT_UINT64 ( + acpi_gbl_FADT->xpm2_cnt_blk.address))); status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, - ACPI_REGISTER_PM2_CONTROL, (u8) (register_value)); + ACPI_REGISTER_PM2_CONTROL, (u8) (register_value)); break; @@ -454,7 +471,9 @@ unlock_and_exit: /* Normalize the value that was read */ - ACPI_DEBUG_EXEC (register_value = ((register_value & bit_reg_info->access_bit_mask) >> bit_reg_info->bit_position)); + ACPI_DEBUG_EXEC (register_value = + ((register_value & bit_reg_info->access_bit_mask) >> + bit_reg_info->bit_position)); ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Set bits: %8.8X actual %8.8X register %X\n", value, register_value, bit_reg_info->parent_register)); @@ -469,7 +488,7 @@ EXPORT_SYMBOL(acpi_set_register); * * PARAMETERS: use_lock - Mutex hw access * register_id - register_iD + Offset - * return_value - Value that was read from the register + * return_value - Where the register value is returned * * RETURN: Status and the value read. * @@ -557,7 +576,8 @@ acpi_hw_register_read ( break; default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Register ID: %X\n", register_id)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Register ID: %X\n", + register_id)); status = AE_BAD_PARAMETER; break; } @@ -763,10 +783,11 @@ acpi_hw_low_level_read ( return (AE_BAD_PARAMETER); } - ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n", - *value, width, - ACPI_FORMAT_UINT64 (address), - acpi_ut_get_region_name (reg->address_space_id))); + ACPI_DEBUG_PRINT ((ACPI_DB_IO, + "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n", + *value, width, + ACPI_FORMAT_UINT64 (address), + acpi_ut_get_region_name (reg->address_space_id))); return (status); } @@ -841,10 +862,11 @@ acpi_hw_low_level_write ( return (AE_BAD_PARAMETER); } - ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n", - value, width, - ACPI_FORMAT_UINT64 (address), - acpi_ut_get_region_name (reg->address_space_id))); + ACPI_DEBUG_PRINT ((ACPI_DB_IO, + "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n", + value, width, + ACPI_FORMAT_UINT64 (address), + acpi_ut_get_region_name (reg->address_space_id))); return (status); } diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c index 77b3e9a8550b..415d342aeab5 100644 --- a/drivers/acpi/hardware/hwsleep.c +++ b/drivers/acpi/hardware/hwsleep.c @@ -43,27 +43,13 @@ */ #include <linux/module.h> - #include <acpi/acpi.h> #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME ("hwsleep") -#define METHOD_NAME__BFS "\\_BFS" -#define METHOD_NAME__GTS "\\_GTS" -#define METHOD_NAME__PTS "\\_PTS" -#define METHOD_NAME__SST "\\_SI._SST" -#define METHOD_NAME__WAK "\\_WAK" - -#define ACPI_SST_INDICATOR_OFF 0 -#define ACPI_SST_WORKING 1 -#define ACPI_SST_WAKING 2 -#define ACPI_SST_SLEEPING 3 -#define ACPI_SST_SLEEP_CONTEXT 4 - - -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_set_firmware_waking_vector * @@ -72,7 +58,7 @@ * * RETURN: Status * - * DESCRIPTION: access function for d_firmware_waking_vector field in FACS + * DESCRIPTION: Access function for the firmware_waking_vector field in FACS * ******************************************************************************/ @@ -99,19 +85,20 @@ acpi_set_firmware_waking_vector ( } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_get_firmware_waking_vector * - * PARAMETERS: *physical_address - Output buffer where contents of + * PARAMETERS: *physical_address - Where the contents of * the firmware_waking_vector field of - * the FACS will be stored. + * the FACS will be returned. * - * RETURN: Status + * RETURN: Status, vector * - * DESCRIPTION: Access function for firmware_waking_vector field in FACS + * DESCRIPTION: Access function for the firmware_waking_vector field in FACS * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_get_firmware_waking_vector ( @@ -141,7 +128,7 @@ acpi_get_firmware_waking_vector ( #endif -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_enter_sleep_state_prep * @@ -215,7 +202,7 @@ acpi_enter_sleep_state_prep ( break; default: - arg.integer.value = ACPI_SST_INDICATOR_OFF; /* Default is indicator off */ + arg.integer.value = ACPI_SST_INDICATOR_OFF; /* Default is off */ break; } @@ -223,14 +210,15 @@ acpi_enter_sleep_state_prep ( status = acpi_evaluate_object (NULL, METHOD_NAME__SST, &arg_list, NULL); if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) { - ACPI_REPORT_ERROR (("Method _SST failed, %s\n", acpi_format_exception (status))); + ACPI_REPORT_ERROR (("Method _SST failed, %s\n", + acpi_format_exception (status))); } return_ACPI_STATUS (AE_OK); } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_enter_sleep_state * @@ -299,15 +287,18 @@ acpi_enter_sleep_state ( /* Get current value of PM1A control */ - status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol); + status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "Entering sleep state [S%d]\n", sleep_state)); + ACPI_DEBUG_PRINT ((ACPI_DB_INIT, + "Entering sleep state [S%d]\n", sleep_state)); /* Clear SLP_EN and SLP_TYP fields */ - PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask | sleep_enable_reg_info->access_bit_mask); + PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask | + sleep_enable_reg_info->access_bit_mask); PM1Bcontrol = PM1Acontrol; /* Insert SLP_TYP bits */ @@ -322,12 +313,14 @@ acpi_enter_sleep_state ( /* Write #1: fill in SLP_TYP data */ - status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol); + status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } - status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol); + status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -341,22 +334,25 @@ acpi_enter_sleep_state ( ACPI_FLUSH_CPU_CACHE (); - status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol); + status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1A_CONTROL, PM1Acontrol); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } - status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol); + status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1B_CONTROL, PM1Bcontrol); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } if (sleep_state > ACPI_STATE_S3) { /* - * We wanted to sleep > S3, but it didn't happen (by virtue of the fact that - * we are still executing!) + * We wanted to sleep > S3, but it didn't happen (by virtue of the + * fact that we are still executing!) * - * Wait ten seconds, then try again. This is to get S4/S5 to work on all machines. + * Wait ten seconds, then try again. This is to get S4/S5 to work on + * all machines. * * We wait so long to allow chipsets that poll this reg very slowly to * still read the right value. Ideally, this block would go @@ -364,7 +360,8 @@ acpi_enter_sleep_state ( */ acpi_os_stall (10000000); - status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_CONTROL, + status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1_CONTROL, sleep_enable_reg_info->access_bit_mask); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); @@ -374,7 +371,8 @@ acpi_enter_sleep_state ( /* Wait until we enter sleep state */ do { - status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_DO_NOT_LOCK); + status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, + ACPI_MTX_DO_NOT_LOCK); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -388,7 +386,7 @@ acpi_enter_sleep_state ( EXPORT_SYMBOL(acpi_enter_sleep_state); -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_enter_sleep_state_s4bios * @@ -439,11 +437,13 @@ acpi_enter_sleep_state_s4bios ( ACPI_FLUSH_CPU_CACHE (); - status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd, (u32) acpi_gbl_FADT->S4bios_req, 8); + status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd, + (u32) acpi_gbl_FADT->S4bios_req, 8); do { acpi_os_stall(1000); - status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_DO_NOT_LOCK); + status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, + ACPI_MTX_DO_NOT_LOCK); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -454,7 +454,7 @@ acpi_enter_sleep_state_s4bios ( EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios); -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_leave_sleep_state * @@ -534,18 +534,21 @@ acpi_leave_sleep_state ( arg.integer.value = ACPI_SST_WAKING; status = acpi_evaluate_object (NULL, METHOD_NAME__SST, &arg_list, NULL); if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) { - ACPI_REPORT_ERROR (("Method _SST failed, %s\n", acpi_format_exception (status))); + ACPI_REPORT_ERROR (("Method _SST failed, %s\n", + acpi_format_exception (status))); } arg.integer.value = sleep_state; status = acpi_evaluate_object (NULL, METHOD_NAME__BFS, &arg_list, NULL); if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) { - ACPI_REPORT_ERROR (("Method _BFS failed, %s\n", acpi_format_exception (status))); + ACPI_REPORT_ERROR (("Method _BFS failed, %s\n", + acpi_format_exception (status))); } status = acpi_evaluate_object (NULL, METHOD_NAME__WAK, &arg_list, NULL); if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) { - ACPI_REPORT_ERROR (("Method _WAK failed, %s\n", acpi_format_exception (status))); + ACPI_REPORT_ERROR (("Method _WAK failed, %s\n", + acpi_format_exception (status))); } /* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */ @@ -567,15 +570,19 @@ acpi_leave_sleep_state ( /* Enable power button */ - (void) acpi_set_register(acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].enable_register_id, + (void) acpi_set_register( + acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].enable_register_id, 1, ACPI_MTX_DO_NOT_LOCK); - (void) acpi_set_register(acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].status_register_id, + + (void) acpi_set_register( + acpi_gbl_fixed_event_info[ACPI_EVENT_POWER_BUTTON].status_register_id, 1, ACPI_MTX_DO_NOT_LOCK); arg.integer.value = ACPI_SST_WORKING; status = acpi_evaluate_object (NULL, METHOD_NAME__SST, &arg_list, NULL); if (ACPI_FAILURE (status) && status != AE_NOT_FOUND) { - ACPI_REPORT_ERROR (("Method _SST failed, %s\n", acpi_format_exception (status))); + ACPI_REPORT_ERROR (("Method _SST failed, %s\n", + acpi_format_exception (status))); } return_ACPI_STATUS (status); diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c index 1906167d7294..49d7b395322e 100644 --- a/drivers/acpi/hardware/hwtimer.c +++ b/drivers/acpi/hardware/hwtimer.c @@ -43,7 +43,6 @@ */ #include <linux/module.h> - #include <acpi/acpi.h> #define _COMPONENT ACPI_HARDWARE @@ -90,7 +89,7 @@ acpi_get_timer_resolution ( * * PARAMETERS: Ticks - Where the timer value is returned * - * RETURN: Status and current ticks + * RETURN: Status and current timer value (ticks) * * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks). * @@ -199,5 +198,6 @@ acpi_get_timer_duration ( *time_elapsed = (u32) quotient; return_ACPI_STATUS (status); } + EXPORT_SYMBOL(acpi_get_timer_duration); diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c new file mode 100644 index 000000000000..babdf762eadb --- /dev/null +++ b/drivers/acpi/hotkey.c @@ -0,0 +1,1019 @@ +/* + * hotkey.c - ACPI Hotkey Driver ($Revision:$) + * + * Copyright (C) 2004 Luming Yu <luming.yu@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <linux/sched.h> +#include <linux/kmod.h> +#include <linux/seq_file.h> +#include <acpi/acpi_drivers.h> +#include <acpi/acpi_bus.h> +#include <asm/uaccess.h> + +#define HOTKEY_ACPI_VERSION "0.1" + +#define HOTKEY_PROC "hotkey" +#define HOTKEY_EV_CONFIG "event_config" +#define HOTKEY_PL_CONFIG "poll_config" +#define HOTKEY_ACTION "action" +#define HOTKEY_INFO "info" + +#define ACPI_HOTK_NAME "Generic Hotkey Driver" +#define ACPI_HOTK_CLASS "Hotkey" +#define ACPI_HOTK_DEVICE_NAME "Hotkey" +#define ACPI_HOTK_HID "Unknown?" +#define ACPI_HOTKEY_COMPONENT 0x20000000 + +#define ACPI_HOTKEY_EVENT 0x1 +#define ACPI_HOTKEY_POLLING 0x2 +#define ACPI_UNDEFINED_EVENT 0xf + +#define MAX_CONFIG_RECORD_LEN 80 +#define MAX_NAME_PATH_LEN 80 +#define MAX_CALL_PARM 80 + +#define IS_EVENT(e) 0xff /* ((e) & 0x40000000) */ +#define IS_POLL(e) 0xff /* (~((e) & 0x40000000)) */ + +#define _COMPONENT ACPI_HOTKEY_COMPONENT +ACPI_MODULE_NAME("acpi_hotkey") + + MODULE_AUTHOR("luming.yu@intel.com"); +MODULE_DESCRIPTION(ACPI_HOTK_NAME); +MODULE_LICENSE("GPL"); + +/* standardized internal hotkey number/event */ +enum { + /* Video Extension event */ + HK_EVENT_CYCLE_OUTPUT_DEVICE = 0x80, + HK_EVENT_OUTPUT_DEVICE_STATUS_CHANGE, + HK_EVENT_CYCLE_DISPLAY_OUTPUT, + HK_EVENT_NEXT_DISPLAY_OUTPUT, + HK_EVENT_PREVIOUS_DISPLAY_OUTPUT, + HK_EVENT_CYCLE_BRIGHTNESS, + HK_EVENT_INCREASE_BRIGHTNESS, + HK_EVENT_DECREASE_BRIGHTNESS, + HK_EVENT_ZERO_BRIGHTNESS, + HK_EVENT_DISPLAY_DEVICE_OFF, + + /* Snd Card event */ + HK_EVENT_VOLUME_MUTE, + HK_EVENT_VOLUME_INCLREASE, + HK_EVENT_VOLUME_DECREASE, + + /* running state control */ + HK_EVENT_ENTERRING_S3, + HK_EVENT_ENTERRING_S4, + HK_EVENT_ENTERRING_S5, +}; + +/* procdir we use */ +static struct proc_dir_entry *hotkey_proc_dir; +static struct proc_dir_entry *hotkey_config; +static struct proc_dir_entry *hotkey_poll_config; +static struct proc_dir_entry *hotkey_action; +static struct proc_dir_entry *hotkey_info; + +/* linkage for all type of hotkey */ +struct acpi_hotkey_link { + struct list_head entries; + int hotkey_type; /* event or polling based hotkey */ + int hotkey_standard_num; /* standardized hotkey(event) number */ +}; + +/* event based hotkey */ +struct acpi_event_hotkey { + struct acpi_hotkey_link hotkey_link; + int flag; + acpi_handle bus_handle; /* bus to install notify handler */ + int external_hotkey_num; /* external hotkey/event number */ + acpi_handle action_handle; /* acpi handle attached aml action method */ + char *action_method; /* action method */ +}; + +/* + * There are two ways to poll status + * 1. directy call read_xxx method, without any arguments passed in + * 2. call write_xxx method, with arguments passed in, you need + * the result is saved in acpi_polling_hotkey.poll_result. + * anthoer read command through polling interface. + * + */ + +/* polling based hotkey */ +struct acpi_polling_hotkey { + struct acpi_hotkey_link hotkey_link; + int flag; + acpi_handle poll_handle; /* acpi handle attached polling method */ + char *poll_method; /* poll method */ + acpi_handle action_handle; /* acpi handle attached action method */ + char *action_method; /* action method */ + void *poll_result; /* polling_result */ + struct proc_dir_entry *proc; +}; + +/* hotkey object union */ +union acpi_hotkey { + struct list_head entries; + struct acpi_hotkey_link link; + struct acpi_event_hotkey event_hotkey; + struct acpi_polling_hotkey poll_hotkey; +}; + +/* hotkey object list */ +struct acpi_hotkey_list { + struct list_head *entries; + int count; +}; + +static int auto_hotkey_add(struct acpi_device *device); +static int auto_hotkey_remove(struct acpi_device *device, int type); + +static struct acpi_driver hotkey_driver = { + .name = ACPI_HOTK_NAME, + .class = ACPI_HOTK_CLASS, + .ids = ACPI_HOTK_HID, + .ops = { + .add = auto_hotkey_add, + .remove = auto_hotkey_remove, + }, +}; + +static int hotkey_open_config(struct inode *inode, struct file *file); +static ssize_t hotkey_write_config(struct file *file, + const char __user * buffer, + size_t count, loff_t * data); +static ssize_t hotkey_write_poll_config(struct file *file, + const char __user * buffer, + size_t count, loff_t * data); +static int hotkey_info_open_fs(struct inode *inode, struct file *file); +static int hotkey_action_open_fs(struct inode *inode, struct file *file); +static ssize_t hotkey_execute_aml_method(struct file *file, + const char __user * buffer, + size_t count, loff_t * data); +static int hotkey_config_seq_show(struct seq_file *seq, void *offset); +static int hotkey_polling_open_fs(struct inode *inode, struct file *file); + +/* event based config */ +static struct file_operations hotkey_config_fops = { + .open = hotkey_open_config, + .read = seq_read, + .write = hotkey_write_config, + .llseek = seq_lseek, + .release = single_release, +}; + +/* polling based config */ +static struct file_operations hotkey_poll_config_fops = { + .open = hotkey_open_config, + .read = seq_read, + .write = hotkey_write_poll_config, + .llseek = seq_lseek, + .release = single_release, +}; + +/* hotkey driver info */ +static struct file_operations hotkey_info_fops = { + .open = hotkey_info_open_fs, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +/* action */ +static struct file_operations hotkey_action_fops = { + .open = hotkey_action_open_fs, + .read = seq_read, + .write = hotkey_execute_aml_method, + .llseek = seq_lseek, + .release = single_release, +}; + +/* polling results */ +static struct file_operations hotkey_polling_fops = { + .open = hotkey_polling_open_fs, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +struct acpi_hotkey_list global_hotkey_list; /* link all ev or pl hotkey */ +struct list_head hotkey_entries; /* head of the list of hotkey_list */ + +static int hotkey_info_seq_show(struct seq_file *seq, void *offset) +{ + ACPI_FUNCTION_TRACE("hotkey_info_seq_show"); + + seq_printf(seq, "Hotkey generic driver ver: %s", HOTKEY_ACPI_VERSION); + + return_VALUE(0); +} + +static int hotkey_info_open_fs(struct inode *inode, struct file *file) +{ + return single_open(file, hotkey_info_seq_show, PDE(inode)->data); +} + +static char *format_result(union acpi_object *object) +{ + char *buf = (char *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); + + memset(buf, 0, sizeof(union acpi_object)); + + /* Now, just support integer type */ + if (object->type == ACPI_TYPE_INTEGER) + sprintf(buf, "%d", (u32) object->integer.value); + + return buf; +} + +static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) +{ + struct acpi_polling_hotkey *poll_hotkey = + (struct acpi_polling_hotkey *)seq->private; + + ACPI_FUNCTION_TRACE("hotkey_polling_seq_show"); + + if (poll_hotkey->poll_result) + seq_printf(seq, "%s", format_result(poll_hotkey->poll_result)); + + return_VALUE(0); +} + +static int hotkey_polling_open_fs(struct inode *inode, struct file *file) +{ + return single_open(file, hotkey_polling_seq_show, PDE(inode)->data); +} + +static int hotkey_action_open_fs(struct inode *inode, struct file *file) +{ + return single_open(file, hotkey_info_seq_show, PDE(inode)->data); +} + +/* Mapping external hotkey number to standardized hotkey event num */ +static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list) +{ + struct list_head *entries, *next; + int val = 0; + + ACPI_FUNCTION_TRACE("hotkey_get_internal_event"); + + list_for_each_safe(entries, next, list->entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + if (key->link.hotkey_type == ACPI_HOTKEY_EVENT + && key->event_hotkey.external_hotkey_num == event) + val = key->link.hotkey_standard_num; + else + val = -1; + } + + return_VALUE(val); +} + +static void +acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data) +{ + struct acpi_device *device = NULL; + u32 internal_event; + + ACPI_FUNCTION_TRACE("acpi_hotkey_notify_handler"); + + if (acpi_bus_get_device(handle, &device)) + return_VOID; + + internal_event = hotkey_get_internal_event(event, &global_hotkey_list); + acpi_bus_generate_event(device, event, 0); + + return_VOID; +} + +/* Need to invent automatically hotkey add method */ +static int auto_hotkey_add(struct acpi_device *device) +{ + /* Implement me */ + return 0; +} + +/* Need to invent automatically hotkey remove method */ +static int auto_hotkey_remove(struct acpi_device *device, int type) +{ + /* Implement me */ + return 0; +} + +/* Create a proc file for each polling method */ +static int create_polling_proc(union acpi_hotkey *device) +{ + struct proc_dir_entry *proc; + mode_t mode; + + ACPI_FUNCTION_TRACE("create_polling_proc"); + mode = S_IFREG | S_IRUGO | S_IWUGO; + + proc = create_proc_entry(device->poll_hotkey.action_method, + mode, hotkey_proc_dir); + + if (!proc) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Hotkey: Unable to create %s entry\n", + device->poll_hotkey.poll_method)); + return_VALUE(-ENODEV); + } else { + proc->proc_fops = &hotkey_polling_fops; + proc->owner = THIS_MODULE; + proc->data = device; + proc->uid = 0; + proc->gid = 0; + device->poll_hotkey.proc = proc; + } + return_VALUE(0); +} + +static int is_valid_acpi_path(const char *pathname) +{ + acpi_handle handle; + acpi_status status; + ACPI_FUNCTION_TRACE("is_valid_acpi_path"); + + status = acpi_get_handle(NULL, (char *)pathname, &handle); + return_VALUE(!ACPI_FAILURE(status)); +} + +static int is_valid_hotkey(union acpi_hotkey *device) +{ + ACPI_FUNCTION_TRACE("is_valid_hotkey"); + /* Implement valid check */ + return_VALUE(1); +} + +static int hotkey_add(union acpi_hotkey *device) +{ + int status = 0; + struct acpi_device *dev = NULL; + + ACPI_FUNCTION_TRACE("hotkey_add"); + + if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) { + status = + acpi_bus_get_device(device->event_hotkey.bus_handle, &dev); + if (status) + return_VALUE(status); + + status = acpi_install_notify_handler(dev->handle, + ACPI_SYSTEM_NOTIFY, + acpi_hotkey_notify_handler, + device); + } else /* Add polling hotkey */ + create_polling_proc(device); + + global_hotkey_list.count++; + + list_add_tail(&device->link.entries, global_hotkey_list.entries); + + return_VALUE(status); +} + +static int hotkey_remove(union acpi_hotkey *device) +{ + struct list_head *entries, *next; + + ACPI_FUNCTION_TRACE("hotkey_remove"); + + list_for_each_safe(entries, next, global_hotkey_list.entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + if (key->link.hotkey_standard_num == + device->link.hotkey_standard_num) { + list_del(&key->link.entries); + remove_proc_entry(key->poll_hotkey.action_method, + hotkey_proc_dir); + global_hotkey_list.count--; + break; + } + } + return_VALUE(0); +} + +static void hotkey_update(union acpi_hotkey *key) +{ + struct list_head *entries, *next; + + ACPI_FUNCTION_TRACE("hotkey_update"); + + list_for_each_safe(entries, next, global_hotkey_list.entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + if (key->link.hotkey_standard_num == + key->link.hotkey_standard_num) { + key->event_hotkey.bus_handle = + key->event_hotkey.bus_handle; + key->event_hotkey.external_hotkey_num = + key->event_hotkey.external_hotkey_num; + key->event_hotkey.action_handle = + key->event_hotkey.action_handle; + key->event_hotkey.action_method = + key->event_hotkey.action_method; + break; + } + } + + return_VOID; +} + +static void free_hotkey_device(union acpi_hotkey *key) +{ + struct acpi_device *dev; + int status; + + ACPI_FUNCTION_TRACE("free_hotkey_device"); + + if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { + status = + acpi_bus_get_device(key->event_hotkey.bus_handle, &dev); + if (dev->handle) + acpi_remove_notify_handler(dev->handle, + ACPI_SYSTEM_NOTIFY, + acpi_hotkey_notify_handler); + } else + remove_proc_entry(key->poll_hotkey.action_method, + hotkey_proc_dir); + kfree(key); + return_VOID; +} + +static int +init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str, + char *method, int std_num, int external_num) +{ + ACPI_FUNCTION_TRACE("init_hotkey_device"); + + key->link.hotkey_type = ACPI_HOTKEY_EVENT; + key->link.hotkey_standard_num = std_num; + key->event_hotkey.flag = 0; + if (is_valid_acpi_path(bus_str)) + acpi_get_handle((acpi_handle) 0, + bus_str, &(key->event_hotkey.bus_handle)); + else + return_VALUE(-ENODEV); + key->event_hotkey.external_hotkey_num = external_num; + if (is_valid_acpi_path(action_str)) + acpi_get_handle((acpi_handle) 0, + action_str, &(key->event_hotkey.action_handle)); + key->event_hotkey.action_method = kmalloc(sizeof(method), GFP_KERNEL); + strcpy(key->event_hotkey.action_method, method); + + return_VALUE(!is_valid_hotkey(key)); +} + +static int +init_poll_hotkey_device(union acpi_hotkey *key, + char *poll_str, + char *poll_method, + char *action_str, char *action_method, int std_num) +{ + ACPI_FUNCTION_TRACE("init_poll_hotkey_device"); + + key->link.hotkey_type = ACPI_HOTKEY_POLLING; + key->link.hotkey_standard_num = std_num; + key->poll_hotkey.flag = 0; + if (is_valid_acpi_path(poll_str)) + acpi_get_handle((acpi_handle) 0, + poll_str, &(key->poll_hotkey.poll_handle)); + else + return_VALUE(-ENODEV); + key->poll_hotkey.poll_method = poll_method; + if (is_valid_acpi_path(action_str)) + acpi_get_handle((acpi_handle) 0, + action_str, &(key->poll_hotkey.action_handle)); + key->poll_hotkey.action_method = + kmalloc(sizeof(action_method), GFP_KERNEL); + strcpy(key->poll_hotkey.action_method, action_method); + key->poll_hotkey.poll_result = + (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); + return_VALUE(is_valid_hotkey(key)); +} + +static int check_hotkey_valid(union acpi_hotkey *key, + struct acpi_hotkey_list *list) +{ + ACPI_FUNCTION_TRACE("check_hotkey_valid"); + return_VALUE(0); +} + +static int hotkey_open_config(struct inode *inode, struct file *file) +{ + ACPI_FUNCTION_TRACE("hotkey_open_config"); + return_VALUE(single_open + (file, hotkey_config_seq_show, PDE(inode)->data)); +} + +static int hotkey_config_seq_show(struct seq_file *seq, void *offset) +{ + struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; + struct list_head *entries, *next; + char bus_name[ACPI_PATHNAME_MAX] = { 0 }; + char action_name[ACPI_PATHNAME_MAX] = { 0 }; + struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name }; + struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name }; + + ACPI_FUNCTION_TRACE(("hotkey_config_seq_show")); + + if (!hotkey_list) + goto end; + + list_for_each_safe(entries, next, hotkey_list->entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { + acpi_get_name(key->event_hotkey.bus_handle, + ACPI_NAME_TYPE_MAX, &bus); + acpi_get_name(key->event_hotkey.action_handle, + ACPI_NAME_TYPE_MAX, &act); + seq_printf(seq, "%s:%s:%s:%d:%d", bus_name, + action_name, + key->event_hotkey.action_method, + key->link.hotkey_standard_num, + key->event_hotkey.external_hotkey_num); + } /* ACPI_HOTKEY_POLLING */ + else { + acpi_get_name(key->poll_hotkey.poll_handle, + ACPI_NAME_TYPE_MAX, &bus); + acpi_get_name(key->poll_hotkey.action_handle, + ACPI_NAME_TYPE_MAX, &act); + seq_printf(seq, "%s:%s:%s:%s:%d", bus_name, + key->poll_hotkey.poll_method, + action_name, + key->poll_hotkey.action_method, + key->link.hotkey_standard_num); + } + } + seq_puts(seq, "\n"); + end: + return_VALUE(0); +} + +static int +get_parms(char *config_record, + int *cmd, + char *bus_handle, + char *bus_method, + char *action_handle, + char *method, int *internal_event_num, int *external_event_num) +{ + char *tmp, *tmp1; + ACPI_FUNCTION_TRACE(("get_parms")); + + sscanf(config_record, "%d", cmd); + + tmp = strchr(config_record, ':'); + tmp++; + tmp1 = strchr(tmp, ':'); + strncpy(bus_handle, tmp, tmp1 - tmp); + bus_handle[tmp1 - tmp] = 0; + + tmp = tmp1; + tmp++; + tmp1 = strchr(tmp, ':'); + strncpy(bus_method, tmp, tmp1 - tmp); + bus_method[tmp1 - tmp] = 0; + + tmp = tmp1; + tmp++; + tmp1 = strchr(tmp, ':'); + strncpy(action_handle, tmp, tmp1 - tmp); + action_handle[tmp1 - tmp] = 0; + + tmp = tmp1; + tmp++; + tmp1 = strchr(tmp, ':'); + strncpy(method, tmp, tmp1 - tmp); + method[tmp1 - tmp] = 0; + + sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num); + return_VALUE(6); +} + +/* count is length for one input record */ +static ssize_t hotkey_write_config(struct file *file, + const char __user * buffer, + size_t count, loff_t * data) +{ + struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; + char config_record[MAX_CONFIG_RECORD_LEN]; + char bus_handle[MAX_NAME_PATH_LEN]; + char bus_method[MAX_NAME_PATH_LEN]; + char action_handle[MAX_NAME_PATH_LEN]; + char method[20]; + int cmd, internal_event_num, external_event_num; + int ret = 0; + union acpi_hotkey *key = NULL; + + ACPI_FUNCTION_TRACE(("hotkey_write_config")); + + if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n")); + return_VALUE(-EINVAL); + } + + if (copy_from_user(config_record, buffer, count)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n")); + return_VALUE(-EINVAL); + } + config_record[count] = '\0'; + + ret = get_parms(config_record, + &cmd, + bus_handle, + bus_method, + action_handle, + method, &internal_event_num, &external_event_num); + if (ret != 6) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Invalid data format ret=%d\n", ret)); + return_VALUE(-EINVAL); + } + + key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL); + ret = init_hotkey_device(key, bus_handle, action_handle, method, + internal_event_num, external_event_num); + + if (ret || check_hotkey_valid(key, hotkey_list)) { + kfree(key); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n")); + return_VALUE(-EINVAL); + } + switch (cmd) { + case 0: + hotkey_add(key); + break; + case 1: + hotkey_remove(key); + free_hotkey_device(key); + break; + case 2: + hotkey_update(key); + break; + default: + break; + } + return_VALUE(count); +} + +/* count is length for one input record */ +static ssize_t hotkey_write_poll_config(struct file *file, + const char __user * buffer, + size_t count, loff_t * data) +{ + struct seq_file *m = (struct seq_file *)file->private_data; + struct acpi_hotkey_list *hotkey_list = + (struct acpi_hotkey_list *)m->private; + + char config_record[MAX_CONFIG_RECORD_LEN]; + char polling_handle[MAX_NAME_PATH_LEN]; + char action_handle[MAX_NAME_PATH_LEN]; + char poll_method[20], action_method[20]; + int ret, internal_event_num, cmd, external_event_num; + union acpi_hotkey *key = NULL; + + ACPI_FUNCTION_TRACE("hotkey_write_poll_config"); + + if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n")); + return_VALUE(-EINVAL); + } + + if (copy_from_user(config_record, buffer, count)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n")); + return_VALUE(-EINVAL); + } + config_record[count] = '\0'; + + ret = get_parms(config_record, + &cmd, + polling_handle, + poll_method, + action_handle, + action_method, + &internal_event_num, &external_event_num); + + if (ret != 6) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n")); + return_VALUE(-EINVAL); + } + + key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL); + ret = init_poll_hotkey_device(key, polling_handle, poll_method, + action_handle, action_method, + internal_event_num); + if (ret || check_hotkey_valid(key, hotkey_list)) { + kfree(key); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n")); + return_VALUE(-EINVAL); + } + switch (cmd) { + case 0: + hotkey_add(key); + break; + case 1: + hotkey_remove(key); + break; + case 2: + hotkey_update(key); + break; + default: + break; + } + return_VALUE(count); +} + +/* + * This function evaluates an ACPI method, given an int as parameter, the + * method is searched within the scope of the handle, can be NULL. The output + * of the method is written is output, which can also be NULL + * + * returns 1 if write is successful, 0 else. + */ +static int write_acpi_int(acpi_handle handle, const char *method, int val, + struct acpi_buffer *output) +{ + struct acpi_object_list params; /* list of input parameters (an int here) */ + union acpi_object in_obj; /* the only param we use */ + acpi_status status; + + ACPI_FUNCTION_TRACE("write_acpi_int"); + params.count = 1; + params.pointer = &in_obj; + in_obj.type = ACPI_TYPE_INTEGER; + in_obj.integer.value = val; + + status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); + + return_VALUE(status == AE_OK); +} + +static int read_acpi_int(acpi_handle handle, const char *method, int *val) +{ + struct acpi_buffer output; + union acpi_object out_obj; + acpi_status status; + + ACPI_FUNCTION_TRACE("read_acpi_int"); + output.length = sizeof(out_obj); + output.pointer = &out_obj; + + status = acpi_evaluate_object(handle, (char *)method, NULL, &output); + *val = out_obj.integer.value; + return_VALUE((status == AE_OK) + && (out_obj.type == ACPI_TYPE_INTEGER)); +} + +static acpi_handle +get_handle_from_hotkeylist(struct acpi_hotkey_list *hotkey_list, int event_num) +{ + struct list_head *entries, *next; + + list_for_each_safe(entries, next, hotkey_list->entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + if (key->link.hotkey_type == ACPI_HOTKEY_EVENT + && key->link.hotkey_standard_num == event_num) { + return (key->event_hotkey.action_handle); + } + } + return (NULL); +} + +static +char *get_method_from_hotkeylist(struct acpi_hotkey_list *hotkey_list, + int event_num) +{ + struct list_head *entries, *next; + + list_for_each_safe(entries, next, hotkey_list->entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + + if (key->link.hotkey_type == ACPI_HOTKEY_EVENT && + key->link.hotkey_standard_num == event_num) + return (key->event_hotkey.action_method); + } + return (NULL); +} + +static struct acpi_polling_hotkey *get_hotkey_by_event(struct + acpi_hotkey_list + *hotkey_list, int event) +{ + struct list_head *entries, *next; + + list_for_each_safe(entries, next, hotkey_list->entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + if (key->link.hotkey_type == ACPI_HOTKEY_POLLING + && key->link.hotkey_standard_num == event) { + return (&key->poll_hotkey); + } + } + return (NULL); +} + +/* + * user call AML method interface: + * Call convention: + * echo "event_num: arg type : value" + * example: echo "1:1:30" > /proc/acpi/action + * Just support 1 integer arg passing to AML method + */ + +static ssize_t hotkey_execute_aml_method(struct file *file, + const char __user * buffer, + size_t count, loff_t * data) +{ + struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; + char arg[MAX_CALL_PARM]; + int event, type, value; + + char *method; + acpi_handle handle; + + ACPI_FUNCTION_TRACE("hotkey_execte_aml_method"); + + if (!hotkey_list || count > MAX_CALL_PARM) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 1")); + return_VALUE(-EINVAL); + } + + if (copy_from_user(arg, buffer, count)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2")); + return_VALUE(-EINVAL); + } + + arg[count] = '\0'; + + if (sscanf(arg, "%d:%d:%d", &event, &type, &value) != 3) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3")); + return_VALUE(-EINVAL); + } + + if (type == ACPI_TYPE_INTEGER) { + handle = get_handle_from_hotkeylist(hotkey_list, event); + method = (char *)get_method_from_hotkeylist(hotkey_list, event); + if (IS_EVENT(event)) + write_acpi_int(handle, method, value, NULL); + else if (IS_POLL(event)) { + struct acpi_polling_hotkey *key; + key = (struct acpi_polling_hotkey *) + get_hotkey_by_event(hotkey_list, event); + read_acpi_int(handle, method, key->poll_result); + } + } else { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported")); + return_VALUE(-EINVAL); + } + + return_VALUE(count); +} + +static int __init hotkey_init(void) +{ + int result; + mode_t mode = S_IFREG | S_IRUGO | S_IWUGO; + + ACPI_FUNCTION_TRACE("hotkey_init"); + + if (acpi_disabled) + return -ENODEV; + + if (acpi_specific_hotkey_enabled) { + printk("Using specific hotkey driver\n"); + return -ENODEV; + } + + hotkey_proc_dir = proc_mkdir(HOTKEY_PROC, acpi_root_dir); + if (!hotkey_proc_dir) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Hotkey: Unable to create %s entry\n", + HOTKEY_PROC)); + return (-ENODEV); + } + hotkey_proc_dir->owner = THIS_MODULE; + + hotkey_config = + create_proc_entry(HOTKEY_EV_CONFIG, mode, hotkey_proc_dir); + if (!hotkey_config) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Hotkey: Unable to create %s entry\n", + HOTKEY_EV_CONFIG)); + return (-ENODEV); + } else { + hotkey_config->proc_fops = &hotkey_config_fops; + hotkey_config->data = &global_hotkey_list; + hotkey_config->owner = THIS_MODULE; + hotkey_config->uid = 0; + hotkey_config->gid = 0; + } + + hotkey_poll_config = + create_proc_entry(HOTKEY_PL_CONFIG, mode, hotkey_proc_dir); + if (!hotkey_poll_config) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Hotkey: Unable to create %s entry\n", + HOTKEY_EV_CONFIG)); + return (-ENODEV); + } else { + hotkey_poll_config->proc_fops = &hotkey_poll_config_fops; + hotkey_poll_config->data = &global_hotkey_list; + hotkey_poll_config->owner = THIS_MODULE; + hotkey_poll_config->uid = 0; + hotkey_poll_config->gid = 0; + } + + hotkey_action = create_proc_entry(HOTKEY_ACTION, mode, hotkey_proc_dir); + if (!hotkey_action) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Hotkey: Unable to create %s entry\n", + HOTKEY_ACTION)); + return (-ENODEV); + } else { + hotkey_action->proc_fops = &hotkey_action_fops; + hotkey_action->owner = THIS_MODULE; + hotkey_action->uid = 0; + hotkey_action->gid = 0; + } + + hotkey_info = create_proc_entry(HOTKEY_INFO, mode, hotkey_proc_dir); + if (!hotkey_info) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Hotkey: Unable to create %s entry\n", + HOTKEY_INFO)); + return (-ENODEV); + } else { + hotkey_info->proc_fops = &hotkey_info_fops; + hotkey_info->owner = THIS_MODULE; + hotkey_info->uid = 0; + hotkey_info->gid = 0; + } + + result = acpi_bus_register_driver(&hotkey_driver); + if (result < 0) { + remove_proc_entry(HOTKEY_PROC, acpi_root_dir); + return (-ENODEV); + } + global_hotkey_list.count = 0; + global_hotkey_list.entries = &hotkey_entries; + + INIT_LIST_HEAD(&hotkey_entries); + + return (0); +} + +static void __exit hotkey_exit(void) +{ + struct list_head *entries, *next; + + ACPI_FUNCTION_TRACE("hotkey_remove"); + + list_for_each_safe(entries, next, global_hotkey_list.entries) { + union acpi_hotkey *key = + container_of(entries, union acpi_hotkey, entries); + + acpi_os_wait_events_complete(NULL); + list_del(&key->link.entries); + global_hotkey_list.count--; + free_hotkey_device(key); + } + acpi_bus_unregister_driver(&hotkey_driver); + remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir); + remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir); + remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir); + remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir); + remove_proc_entry(HOTKEY_PROC, acpi_root_dir); + return; +} + +module_init(hotkey_init); +module_exit(hotkey_exit); diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 0fb731a470dc..ad85e10001f4 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1025,7 +1025,7 @@ static int setup_notify(struct ibm_struct *ibm) return 0; } -static int device_add(struct acpi_device *device) +static int ibmacpi_device_add(struct acpi_device *device) { return 0; } @@ -1043,7 +1043,7 @@ static int register_driver(struct ibm_struct *ibm) memset(ibm->driver, 0, sizeof(struct acpi_driver)); sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); ibm->driver->ids = ibm->hid; - ibm->driver->ops.add = &device_add; + ibm->driver->ops.add = &ibmacpi_device_add; ret = acpi_bus_register_driver(ibm->driver); if (ret < 0) { @@ -1185,6 +1185,10 @@ static int __init acpi_ibm_init(void) if (acpi_disabled) return -ENODEV; + if (!acpi_specific_hotkey_enabled){ + printk(IBM_ERR "Using generic hotkey driver\n"); + return -ENODEV; + } /* these handles are required */ if (IBM_HANDLE_INIT(ec, 1) < 0 || IBM_HANDLE_INIT(hkey, 1) < 0 || diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index 1c0c12336c57..ece7a9dedd5c 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c @@ -67,7 +67,8 @@ ******************************************************************************/ acpi_status -acpi_ns_root_initialize (void) +acpi_ns_root_initialize ( + void) { acpi_status status; const struct acpi_predefined_names *init_val = NULL; @@ -265,7 +266,7 @@ unlock_and_exit: * * FUNCTION: acpi_ns_lookup * - * PARAMETERS: prefix_node - Search scope if name is not fully qualified + * PARAMETERS: scope_info - Current scope info block * Pathname - Search pathname, in internal format * (as represented in the AML stream) * Type - Type associated with name diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c index bfd922c5c7d1..5653a19d7172 100644 --- a/drivers/acpi/namespace/nsalloc.c +++ b/drivers/acpi/namespace/nsalloc.c @@ -49,14 +49,20 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsalloc") +/* Local prototypes */ + +static void +acpi_ns_remove_reference ( + struct acpi_namespace_node *node); + /******************************************************************************* * * FUNCTION: acpi_ns_create_node * - * PARAMETERS: acpi_name - Name of the new node + * PARAMETERS: Name - Name of the new node (4 char ACPI name) * - * RETURN: None + * RETURN: New namespace node (Null on failure) * * DESCRIPTION: Create a namespace node * @@ -145,7 +151,6 @@ acpi_ns_delete_node ( } } - ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++); /* @@ -157,57 +162,6 @@ acpi_ns_delete_node ( } -#ifdef ACPI_ALPHABETIC_NAMESPACE -/******************************************************************************* - * - * FUNCTION: acpi_ns_compare_names - * - * PARAMETERS: Name1 - First name to compare - * Name2 - Second name to compare - * - * RETURN: value from strncmp - * - * DESCRIPTION: Compare two ACPI names. Names that are prefixed with an - * underscore are forced to be alphabetically first. - * - ******************************************************************************/ - -int -acpi_ns_compare_names ( - char *name1, - char *name2) -{ - char reversed_name1[ACPI_NAME_SIZE]; - char reversed_name2[ACPI_NAME_SIZE]; - u32 i; - u32 j; - - - /* - * Replace all instances of "underscore" with a value that is smaller so - * that all names that are prefixed with underscore(s) are alphabetically - * first. - * - * Reverse the name bytewise so we can just do a 32-bit compare instead - * of a strncmp. - */ - for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) { - reversed_name1[j] = name1[i]; - if (name1[i] == '_') { - reversed_name1[j] = '*'; - } - - reversed_name2[j] = name2[i]; - if (name2[i] == '_') { - reversed_name2[j] = '*'; - } - } - - return (*(int *) reversed_name1 - *(int *) reversed_name2); -} -#endif - - /******************************************************************************* * * FUNCTION: acpi_ns_install_node @@ -271,7 +225,8 @@ acpi_ns_install_node ( * alphabetic placement. */ previous_child_node = NULL; - while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node), acpi_ut_get_node_name (node)) < 0) { + while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node), + acpi_ut_get_node_name (node)) < 0) { if (child_node->flags & ANOBJ_END_OF_PEER_LIST) { /* Last peer; Clear end-of-list flag */ @@ -429,7 +384,8 @@ acpi_ns_delete_children ( /* There should be only one reference remaining on this node */ if (child_node->reference_count != 1) { - ACPI_REPORT_WARNING (("Existing references (%d) on node being deleted (%p)\n", + ACPI_REPORT_WARNING (( + "Existing references (%d) on node being deleted (%p)\n", child_node->reference_count, child_node)); } @@ -548,7 +504,7 @@ acpi_ns_delete_namespace_subtree ( * ******************************************************************************/ -void +static void acpi_ns_remove_reference ( struct acpi_namespace_node *node) { @@ -683,3 +639,54 @@ acpi_ns_delete_namespace_by_owner ( } +#ifdef ACPI_ALPHABETIC_NAMESPACE +/******************************************************************************* + * + * FUNCTION: acpi_ns_compare_names + * + * PARAMETERS: Name1 - First name to compare + * Name2 - Second name to compare + * + * RETURN: value from strncmp + * + * DESCRIPTION: Compare two ACPI names. Names that are prefixed with an + * underscore are forced to be alphabetically first. + * + ******************************************************************************/ + +int +acpi_ns_compare_names ( + char *name1, + char *name2) +{ + char reversed_name1[ACPI_NAME_SIZE]; + char reversed_name2[ACPI_NAME_SIZE]; + u32 i; + u32 j; + + + /* + * Replace all instances of "underscore" with a value that is smaller so + * that all names that are prefixed with underscore(s) are alphabetically + * first. + * + * Reverse the name bytewise so we can just do a 32-bit compare instead + * of a strncmp. + */ + for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) { + reversed_name1[j] = name1[i]; + if (name1[i] == '_') { + reversed_name1[j] = '*'; + } + + reversed_name2[j] = name2[i]; + if (name2[i] == '_') { + reversed_name2[j] = '*'; + } + } + + return (*(int *) reversed_name1 - *(int *) reversed_name2); +} +#endif + + diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c index 1f6af3eb6c91..6c2aef0e0dd4 100644 --- a/drivers/acpi/namespace/nsdump.c +++ b/drivers/acpi/namespace/nsdump.c @@ -50,16 +50,32 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsdump") +/* Local prototypes */ -#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) +#ifdef ACPI_OBSOLETE_FUNCTIONS +void +acpi_ns_dump_root_devices ( + void); +static acpi_status +acpi_ns_dump_one_device ( + acpi_handle obj_handle, + u32 level, + void *context, + void **return_value); +#endif + + +#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) /******************************************************************************* * * FUNCTION: acpi_ns_print_pathname * - * PARAMETERS: num_segment - Number of ACPI name segments + * PARAMETERS: num_segments - Number of ACPI name segments * Pathname - The compressed (internal) path * + * RETURN: None + * * DESCRIPTION: Print an object's full namespace pathname * ******************************************************************************/ @@ -103,6 +119,8 @@ acpi_ns_print_pathname ( * Level - Desired debug level * Component - Caller's component ID * + * RETURN: None + * * DESCRIPTION: Print an object's full namespace pathname * Manages allocation/freeing of a pathname buffer * @@ -137,9 +155,12 @@ acpi_ns_dump_pathname ( * * FUNCTION: acpi_ns_dump_one_object * - * PARAMETERS: Handle - Node to be dumped + * PARAMETERS: obj_handle - Node to be dumped * Level - Nesting level of the handle * Context - Passed into walk_namespace + * return_value - Not used + * + * RETURN: Status * * DESCRIPTION: Dump a single Node * This procedure is a user_function called by acpi_ns_walk_namespace. @@ -394,8 +415,7 @@ acpi_ns_dump_one_object ( return (AE_OK); } - acpi_os_printf ("(R%d)", - obj_desc->common.reference_count); + acpi_os_printf ("(R%d)", obj_desc->common.reference_count); switch (type) { case ACPI_TYPE_METHOD: @@ -551,18 +571,20 @@ cleanup: #ifdef ACPI_FUTURE_USAGE - /******************************************************************************* * * FUNCTION: acpi_ns_dump_objects * * PARAMETERS: Type - Object type to be dumped + * display_type - 0 or ACPI_DISPLAY_SUMMARY * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX * for an effectively unlimited depth. * owner_id - Dump only objects owned by this ID. Use * ACPI_UINT32_MAX to match all owners. * start_handle - Where in namespace to start/end search * + * RETURN: None + * * DESCRIPTION: Dump typed objects within the loaded namespace. * Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object. * @@ -590,10 +612,44 @@ acpi_ns_dump_objects ( ACPI_NS_WALK_NO_UNLOCK, acpi_ns_dump_one_object, (void *) &info, NULL); } +#endif /* ACPI_FUTURE_USAGE */ /******************************************************************************* * + * FUNCTION: acpi_ns_dump_entry + * + * PARAMETERS: Handle - Node to be dumped + * debug_level - Output level + * + * RETURN: None + * + * DESCRIPTION: Dump a single Node + * + ******************************************************************************/ + +void +acpi_ns_dump_entry ( + acpi_handle handle, + u32 debug_level) +{ + struct acpi_walk_info info; + + + ACPI_FUNCTION_ENTRY (); + + + info.debug_level = debug_level; + info.owner_id = ACPI_UINT32_MAX; + info.display_type = ACPI_DISPLAY_SUMMARY; + + (void) acpi_ns_dump_one_object (handle, 1, &info, NULL); +} + + +#ifdef _ACPI_ASL_COMPILER +/******************************************************************************* + * * FUNCTION: acpi_ns_dump_tables * * PARAMETERS: search_base - Root of subtree to be dumped, or @@ -601,6 +657,8 @@ acpi_ns_dump_objects ( * max_depth - Maximum depth of dump. Use INT_MAX * for an effectively unlimited depth. * + * RETURN: None + * * DESCRIPTION: Dump the name space, or a portion of it. * ******************************************************************************/ @@ -626,7 +684,7 @@ acpi_ns_dump_tables ( } if (ACPI_NS_ALL == search_base) { - /* entire namespace */ + /* Entire namespace */ search_handle = acpi_gbl_root_node; ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n")); @@ -636,38 +694,5 @@ acpi_ns_dump_tables ( ACPI_UINT32_MAX, search_handle); return_VOID; } - -#endif /* ACPI_FUTURE_USAGE */ - - -/******************************************************************************* - * - * FUNCTION: acpi_ns_dump_entry - * - * PARAMETERS: Handle - Node to be dumped - * debug_level - Output level - * - * DESCRIPTION: Dump a single Node - * - ******************************************************************************/ - -void -acpi_ns_dump_entry ( - acpi_handle handle, - u32 debug_level) -{ - struct acpi_walk_info info; - - - ACPI_FUNCTION_ENTRY (); - - - info.debug_level = debug_level; - info.owner_id = ACPI_UINT32_MAX; - info.display_type = ACPI_DISPLAY_SUMMARY; - - (void) acpi_ns_dump_one_object (handle, 1, &info, NULL); -} - -#endif - +#endif /* _ACPI_ASL_COMPILER */ +#endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */ diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c index d30a59e6b07d..27c4f7cd2a43 100644 --- a/drivers/acpi/namespace/nsdumpdv.c +++ b/drivers/acpi/namespace/nsdumpdv.c @@ -43,15 +43,18 @@ #include <acpi/acpi.h> -#include <acpi/acnamesp.h> +/* TBD: This entire module is apparently obsolete and should be removed */ + #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsdumpdv") - +#ifdef ACPI_OBSOLETE_FUNCTIONS #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) +#include <acpi/acnamesp.h> + /******************************************************************************* * * FUNCTION: acpi_ns_dump_one_device @@ -59,13 +62,16 @@ * PARAMETERS: Handle - Node to be dumped * Level - Nesting level of the handle * Context - Passed into walk_namespace + * return_value - Not used + * + * RETURN: Status * * DESCRIPTION: Dump a single Node that represents a device * This procedure is a user_function called by acpi_ns_walk_namespace. * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_dump_one_device ( acpi_handle obj_handle, u32 level, @@ -108,12 +114,15 @@ acpi_ns_dump_one_device ( * * PARAMETERS: None * + * RETURN: None + * * DESCRIPTION: Dump all objects of type "device" * ******************************************************************************/ void -acpi_ns_dump_root_devices (void) +acpi_ns_dump_root_devices ( + void) { acpi_handle sys_bus_handle; acpi_status status; @@ -142,5 +151,6 @@ acpi_ns_dump_root_devices (void) } #endif +#endif diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c index 0d008d53657e..1ae89a1c8826 100644 --- a/drivers/acpi/namespace/nseval.c +++ b/drivers/acpi/namespace/nseval.c @@ -52,19 +52,33 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nseval") +/* Local prototypes */ + +static acpi_status +acpi_ns_execute_control_method ( + struct acpi_parameter_info *info); + +static acpi_status +acpi_ns_get_object_value ( + struct acpi_parameter_info *info); + /******************************************************************************* * * FUNCTION: acpi_ns_evaluate_relative * - * PARAMETERS: Pathname - Name of method to execute, If NULL, the - * handle is the object to execute - * Info - Method info block + * PARAMETERS: Pathname - Name of method to execute, If NULL, the + * handle is the object to execute + * Info - Method info block, contains: + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. + * Params - List of parameters to pass to the method, + * terminated by NULL. Params itself may be + * NULL if no parameters are being passed. * * RETURN: Status * - * DESCRIPTION: Find and execute the requested method using the handle as a - * scope + * DESCRIPTION: Evaluate the object or find and execute the requested method * * MUTEX: Locks Namespace * @@ -157,8 +171,8 @@ cleanup1: * * FUNCTION: acpi_ns_evaluate_by_name * - * PARAMETERS: Pathname - Fully qualified pathname to the object - * Info - Contains: + * PARAMETERS: Pathname - Fully qualified pathname to the object + * Info - Method info block, contains: * return_object - Where to put method's return value (if * any). If NULL, no value is returned. * Params - List of parameters to pass to the method, @@ -167,8 +181,8 @@ cleanup1: * * RETURN: Status * - * DESCRIPTION: Find and execute the requested method passing the given - * parameters + * DESCRIPTION: Evaluate the object or rind and execute the requested method + * passing the given parameters * * MUTEX: Locks Namespace * @@ -241,17 +255,21 @@ cleanup: * * FUNCTION: acpi_ns_evaluate_by_handle * - * PARAMETERS: Handle - Method Node to execute - * Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be + * PARAMETERS: Info - Method info block, contains: + * Node - Method/Object Node to execute + * Parameters - List of parameters to pass to the method, + * terminated by NULL. Params itself may be * NULL if no parameters are being passed. - * param_type - Type of Parameter list - * return_object - Where to put method's return value (if - * any). If NULL, no value is returned. + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. + * parameter_type - Type of Parameter list + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. * * RETURN: Status * - * DESCRIPTION: Execute the requested method passing the given parameters + * DESCRIPTION: Evaluate object or execute the requested method passing the + * given parameters * * MUTEX: Locks Namespace * @@ -345,7 +363,16 @@ acpi_ns_evaluate_by_handle ( * * FUNCTION: acpi_ns_execute_control_method * - * PARAMETERS: Info - Method info block (w/params) + * PARAMETERS: Info - Method info block, contains: + * Node - Method Node to execute + * Parameters - List of parameters to pass to the method, + * terminated by NULL. Params itself may be + * NULL if no parameters are being passed. + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. + * parameter_type - Type of Parameter list + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. * * RETURN: Status * @@ -355,7 +382,7 @@ acpi_ns_evaluate_by_handle ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_execute_control_method ( struct acpi_parameter_info *info) { @@ -414,7 +441,10 @@ acpi_ns_execute_control_method ( * * FUNCTION: acpi_ns_get_object_value * - * PARAMETERS: Info - Method info block (w/params) + * PARAMETERS: Info - Method info block, contains: + * Node - Object's NS node + * return_object - Where to put object value (if + * any). If NULL, no value is returned. * * RETURN: Status * @@ -424,7 +454,7 @@ acpi_ns_execute_control_method ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_get_object_value ( struct acpi_parameter_info *info) { diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c index 4a46b380605b..362802ae29a2 100644 --- a/drivers/acpi/namespace/nsinit.c +++ b/drivers/acpi/namespace/nsinit.c @@ -50,6 +50,22 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsinit") +/* Local prototypes */ + +static acpi_status +acpi_ns_init_one_object ( + acpi_handle obj_handle, + u32 level, + void *context, + void **return_value); + +static acpi_status +acpi_ns_init_one_device ( + acpi_handle obj_handle, + u32 nesting_level, + void *context, + void **return_value); + /******************************************************************************* * @@ -191,7 +207,7 @@ acpi_ns_initialize_devices ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_init_one_object ( acpi_handle obj_handle, u32 level, @@ -331,7 +347,7 @@ acpi_ns_init_one_object ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_init_one_device ( acpi_handle obj_handle, u32 nesting_level, @@ -374,7 +390,8 @@ acpi_ns_init_one_device ( /* * Run _STA to determine if we can run _INI on the device. */ - ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, pinfo.node, "_STA")); + ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, + pinfo.node, METHOD_NAME__STA)); status = acpi_ut_execute_STA (pinfo.node, &flags); if (ACPI_FAILURE (status)) { @@ -399,8 +416,9 @@ acpi_ns_init_one_device ( /* * The device is present. Run _INI. */ - ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, pinfo.node, "_INI")); - status = acpi_ns_evaluate_relative ("_INI", &pinfo); + ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, + pinfo.node, METHOD_NAME__INI)); + status = acpi_ns_evaluate_relative (METHOD_NAME__INI, &pinfo); if (ACPI_FAILURE (status)) { /* No _INI (AE_NOT_FOUND) means device requires no initialization */ diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c index 1d7aedf68a77..34e497016601 100644 --- a/drivers/acpi/namespace/nsload.c +++ b/drivers/acpi/namespace/nsload.c @@ -50,9 +50,24 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsload") +/* Local prototypes */ -#ifndef ACPI_NO_METHOD_EXECUTION +static acpi_status +acpi_ns_load_table_by_type ( + acpi_table_type table_type); + +#ifdef ACPI_FUTURE_IMPLEMENTATION +acpi_status +acpi_ns_unload_namespace ( + acpi_handle handle); + +static acpi_status +acpi_ns_delete_subtree ( + acpi_handle start_handle); +#endif + +#ifndef ACPI_NO_METHOD_EXECUTION /******************************************************************************* * * FUNCTION: acpi_ns_load_table @@ -159,7 +174,7 @@ acpi_ns_load_table ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_load_table_by_type ( acpi_table_type table_type) { @@ -321,8 +336,7 @@ acpi_ns_load_namespace ( } -#ifdef ACPI_FUTURE_USAGE - +#ifdef ACPI_FUTURE_IMPLEMENTATION /******************************************************************************* * * FUNCTION: acpi_ns_delete_subtree @@ -339,7 +353,7 @@ acpi_ns_load_namespace ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ns_delete_subtree ( acpi_handle start_handle) { @@ -453,8 +467,6 @@ acpi_ns_unload_namespace ( return_ACPI_STATUS (status); } - -#endif /* ACPI_FUTURE_USAGE */ - +#endif #endif diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c index b6f8f910eff0..d8ce7e39795f 100644 --- a/drivers/acpi/namespace/nsnames.c +++ b/drivers/acpi/namespace/nsnames.c @@ -50,6 +50,14 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsnames") +/* Local prototypes */ + +static void +acpi_ns_build_external_path ( + struct acpi_namespace_node *node, + acpi_size size, + char *name_buffer); + /******************************************************************************* * @@ -66,7 +74,7 @@ * ******************************************************************************/ -void +static void acpi_ns_build_external_path ( struct acpi_namespace_node *node, acpi_size size, @@ -126,7 +134,7 @@ acpi_ns_build_external_path ( * * FUNCTION: acpi_ns_get_external_pathname * - * PARAMETERS: Node - NS node whose pathname is needed + * PARAMETERS: Node - Namespace node whose pathname is needed * * RETURN: Pointer to storage containing the fully qualified name of * the node, In external format (name segments separated by path diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c index 4e41e66db61f..27258c1ca4f1 100644 --- a/drivers/acpi/namespace/nsobject.c +++ b/drivers/acpi/namespace/nsobject.c @@ -60,6 +60,8 @@ * Type - Type of object, or ACPI_TYPE_ANY if not * known * + * RETURN: Status + * * DESCRIPTION: Record the given object as the value associated with the * name whose acpi_handle is passed. If Object is NULL * and Type is ACPI_TYPE_ANY, set the name as having no value. @@ -97,7 +99,8 @@ acpi_ns_attach_object ( if (!object && (ACPI_TYPE_ANY != type)) { /* Null object */ - ACPI_REPORT_ERROR (("ns_attach_object: Null object, but type not ACPI_TYPE_ANY\n")); + ACPI_REPORT_ERROR (( + "ns_attach_object: Null object, but type not ACPI_TYPE_ANY\n")); return_ACPI_STATUS (AE_BAD_PARAMETER); } @@ -112,7 +115,8 @@ acpi_ns_attach_object ( /* Check if this object is already attached */ if (node->object == object) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj %p already installed in name_obj %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Obj %p already installed in name_obj %p\n", object, node)); return_ACPI_STATUS (AE_OK); @@ -192,7 +196,7 @@ acpi_ns_attach_object ( * * FUNCTION: acpi_ns_detach_object * - * PARAMETERS: Node - An node whose object will be detached + * PARAMETERS: Node - A Namespace node whose object will be detached * * RETURN: None. * @@ -248,7 +252,7 @@ acpi_ns_detach_object ( * * FUNCTION: acpi_ns_get_attached_object * - * PARAMETERS: Node - Parent Node to be examined + * PARAMETERS: Node - Namespace node * * RETURN: Current value of the object field from the Node whose * handle is passed @@ -284,7 +288,7 @@ acpi_ns_get_attached_object ( * * FUNCTION: acpi_ns_get_secondary_object * - * PARAMETERS: Node - Parent Node to be examined + * PARAMETERS: Node - Namespace node * * RETURN: Current value of the object field from the Node whose * handle is passed. diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c index 0e6dea23603b..af8aaa9cc4f3 100644 --- a/drivers/acpi/namespace/nssearch.c +++ b/drivers/acpi/namespace/nssearch.c @@ -49,15 +49,24 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nssearch") +/* Local prototypes */ + +static acpi_status +acpi_ns_search_parent_tree ( + u32 target_name, + struct acpi_namespace_node *node, + acpi_object_type type, + struct acpi_namespace_node **return_node); + /******************************************************************************* * * FUNCTION: acpi_ns_search_node * - * PARAMETERS: *target_name - Ascii ACPI name to search for - * *Node - Starting node where search will begin - * Type - Object type to match - * **return_node - Where the matched Named obj is returned + * PARAMETERS: target_name - Ascii ACPI name to search for + * Node - Starting node where search will begin + * Type - Object type to match + * return_node - Where the matched Named obj is returned * * RETURN: Status * @@ -163,10 +172,10 @@ acpi_ns_search_node ( * * FUNCTION: acpi_ns_search_parent_tree * - * PARAMETERS: *target_name - Ascii ACPI name to search for - * *Node - Starting node where search will begin - * Type - Object type to match - * **return_node - Where the matched Node is returned + * PARAMETERS: target_name - Ascii ACPI name to search for + * Node - Starting node where search will begin + * Type - Object type to match + * return_node - Where the matched Node is returned * * RETURN: Status * @@ -257,12 +266,12 @@ acpi_ns_search_parent_tree ( * * PARAMETERS: target_name - Ascii ACPI name to search for (4 chars) * walk_state - Current state of the walk - * *Node - Starting node where search will begin + * Node - Starting node where search will begin * interpreter_mode - Add names only in ACPI_MODE_LOAD_PASS_x. * Otherwise,search only. * Type - Object type to match * Flags - Flags describing the search restrictions - * **return_node - Where the Node is returned + * return_node - Where the Node is returned * * RETURN: Status * diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c index 75da76cc0b19..c53b82e94ce3 100644 --- a/drivers/acpi/namespace/nsutils.c +++ b/drivers/acpi/namespace/nsutils.c @@ -51,6 +51,18 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME ("nsutils") +/* Local prototypes */ + +static u8 +acpi_ns_valid_path_separator ( + char sep); + +#ifdef ACPI_OBSOLETE_FUNCTIONS +acpi_name +acpi_ns_find_parent_name ( + struct acpi_namespace_node *node_to_search); +#endif + /******************************************************************************* * @@ -59,7 +71,8 @@ * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure + * internal_name - Name or path of the namespace node + * lookup_status - Exception code from NS lookup * * RETURN: None * @@ -121,6 +134,9 @@ acpi_ns_report_error ( * line_number - Caller's line number (for error output) * component_id - Caller's component ID (for error output) * Message - Error message to use on failure + * prefix_node - Prefix relative to the path + * Path - Path to the node + * method_status - Execution status * * RETURN: None * @@ -161,8 +177,8 @@ acpi_ns_report_method_error ( * * FUNCTION: acpi_ns_print_node_pathname * - * PARAMETERS: Node - Object - * Msg - Prefix message + * PARAMETERS: Node - Object + * Message - Prefix message * * DESCRIPTION: Print an object's full namespace pathname * Manages allocation/freeing of a pathname buffer @@ -172,7 +188,7 @@ acpi_ns_report_method_error ( void acpi_ns_print_node_pathname ( struct acpi_namespace_node *node, - char *msg) + char *message) { struct acpi_buffer buffer; acpi_status status; @@ -189,8 +205,8 @@ acpi_ns_print_node_pathname ( status = acpi_ns_handle_to_pathname (node, &buffer); if (ACPI_SUCCESS (status)) { - if (msg) { - acpi_os_printf ("%s ", msg); + if (message) { + acpi_os_printf ("%s ", message); } acpi_os_printf ("[%s] (Node %p)", (char *) buffer.pointer, node); @@ -224,7 +240,7 @@ acpi_ns_valid_root_prefix ( * * FUNCTION: acpi_ns_valid_path_separator * - * PARAMETERS: Sep - Character to be checked + * PARAMETERS: Sep - Character to be checked * * RETURN: TRUE if a valid path separator * @@ -232,7 +248,7 @@ acpi_ns_valid_root_prefix ( * ******************************************************************************/ -u8 +static u8 acpi_ns_valid_path_separator ( char sep) { @@ -245,10 +261,12 @@ acpi_ns_valid_path_separator ( * * FUNCTION: acpi_ns_get_type * - * PARAMETERS: Handle - Parent Node to be examined + * PARAMETERS: Node - Parent Node to be examined * * RETURN: Type field from Node whose handle is passed * + * DESCRIPTION: Return the type of a Namespace node + * ******************************************************************************/ acpi_object_type @@ -271,11 +289,13 @@ acpi_ns_get_type ( * * FUNCTION: acpi_ns_local * - * PARAMETERS: Type - A namespace object type + * PARAMETERS: Type - A namespace object type * * RETURN: LOCAL if names must be found locally in objects of the * passed type, 0 if enclosing scopes should be searched * + * DESCRIPTION: Returns scope rule for the given object type. + * ******************************************************************************/ u32 @@ -303,7 +323,7 @@ acpi_ns_local ( * PARAMETERS: Info - Info struct initialized with the * external name pointer. * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Calculate the length of the internal (AML) namestring * corresponding to the external (ASL) namestring. @@ -551,14 +571,16 @@ acpi_ns_internalize_name ( * * FUNCTION: acpi_ns_externalize_name * - * PARAMETERS: *internal_name - Internal representation of name - * **converted_name - Where to return the resulting - * external representation of name + * PARAMETERS: internal_name_length - Lenth of the internal name below + * internal_name - Internal representation of name + * converted_name_length - Where the length is returned + * converted_name - Where the resulting external name + * is returned * * RETURN: Status * * DESCRIPTION: Convert internal name (e.g. 5c 2f 02 5f 50 52 5f 43 50 55 30) - * to its external form (e.g. "\_PR_.CPU0") + * to its external (printable) form (e.g. "\_PR_.CPU0") * ******************************************************************************/ @@ -717,8 +739,9 @@ acpi_ns_externalize_name ( * * DESCRIPTION: Convert a namespace handle to a real Node * - * Note: Real integer handles allow for more verification - * and keep all pointers within this subsystem. + * Note: Real integer handles would allow for more verification + * and keep all pointers within this subsystem - however this introduces + * more (and perhaps unnecessary) overhead. * ******************************************************************************/ @@ -775,7 +798,7 @@ acpi_ns_convert_entry_to_handle ( return ((acpi_handle) node); -/* --------------------------------------------------- +/* Example future implementation --------------------- if (!Node) { @@ -801,12 +824,13 @@ acpi_ns_convert_entry_to_handle ( * * RETURN: none * - * DESCRIPTION: free memory allocated for table storage. + * DESCRIPTION: free memory allocated for namespace and ACPI table storage. * ******************************************************************************/ void -acpi_ns_terminate (void) +acpi_ns_terminate ( + void) { union acpi_operand_object *obj_desc; @@ -940,7 +964,6 @@ acpi_ns_get_node_by_path ( (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); cleanup: - /* Cleanup */ if (internal_path) { ACPI_MEM_FREE (internal_path); } @@ -950,55 +973,6 @@ cleanup: /******************************************************************************* * - * FUNCTION: acpi_ns_find_parent_name - * - * PARAMETERS: *child_node - Named Obj whose name is to be found - * - * RETURN: The ACPI name - * - * DESCRIPTION: Search for the given obj in its parent scope and return the - * name segment, or "????" if the parent name can't be found - * (which "should not happen"). - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE -acpi_name -acpi_ns_find_parent_name ( - struct acpi_namespace_node *child_node) -{ - struct acpi_namespace_node *parent_node; - - - ACPI_FUNCTION_TRACE ("ns_find_parent_name"); - - - if (child_node) { - /* Valid entry. Get the parent Node */ - - parent_node = acpi_ns_get_parent_node (child_node); - if (parent_node) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "Parent of %p [%4.4s] is %p [%4.4s]\n", - child_node, acpi_ut_get_node_name (child_node), - parent_node, acpi_ut_get_node_name (parent_node))); - - if (parent_node->name.integer) { - return_VALUE ((acpi_name) parent_node->name.integer); - } - } - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "Unable to find parent of %p (%4.4s)\n", - child_node, acpi_ut_get_node_name (child_node))); - } - - return_VALUE (ACPI_UNKNOWN_NAME); -} -#endif - - -/******************************************************************************* - * * FUNCTION: acpi_ns_get_parent_node * * PARAMETERS: Node - Current table entry @@ -1009,7 +983,6 @@ acpi_ns_find_parent_name ( * ******************************************************************************/ - struct acpi_namespace_node * acpi_ns_get_parent_node ( struct acpi_namespace_node *node) @@ -1030,7 +1003,6 @@ acpi_ns_get_parent_node ( node = node->peer; } - return (node->peer); } @@ -1049,7 +1021,6 @@ acpi_ns_get_parent_node ( * ******************************************************************************/ - struct acpi_namespace_node * acpi_ns_get_next_valid_node ( struct acpi_namespace_node *node) @@ -1067,3 +1038,53 @@ acpi_ns_get_next_valid_node ( } +#ifdef ACPI_OBSOLETE_FUNCTIONS +/******************************************************************************* + * + * FUNCTION: acpi_ns_find_parent_name + * + * PARAMETERS: *child_node - Named Obj whose name is to be found + * + * RETURN: The ACPI name + * + * DESCRIPTION: Search for the given obj in its parent scope and return the + * name segment, or "????" if the parent name can't be found + * (which "should not happen"). + * + ******************************************************************************/ + +acpi_name +acpi_ns_find_parent_name ( + struct acpi_namespace_node *child_node) +{ + struct acpi_namespace_node *parent_node; + + + ACPI_FUNCTION_TRACE ("ns_find_parent_name"); + + + if (child_node) { + /* Valid entry. Get the parent Node */ + + parent_node = acpi_ns_get_parent_node (child_node); + if (parent_node) { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Parent of %p [%4.4s] is %p [%4.4s]\n", + child_node, acpi_ut_get_node_name (child_node), + parent_node, acpi_ut_get_node_name (parent_node))); + + if (parent_node->name.integer) { + return_VALUE ((acpi_name) parent_node->name.integer); + } + } + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "Unable to find parent of %p (%4.4s)\n", + child_node, acpi_ut_get_node_name (child_node))); + } + + return_VALUE (ACPI_UNKNOWN_NAME); +} +#endif + + diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c index 4de2444df300..f9a7277dca6e 100644 --- a/drivers/acpi/namespace/nswalk.c +++ b/drivers/acpi/namespace/nswalk.c @@ -56,7 +56,7 @@ * * PARAMETERS: Type - Type of node to be searched for * parent_node - Parent node whose children we are - * getting + * getting * child_node - Previous child that was found. * The NEXT child will be returned * diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c index 1dc995586cbe..12ea202257fa 100644 --- a/drivers/acpi/namespace/nsxfeval.c +++ b/drivers/acpi/namespace/nsxfeval.c @@ -58,11 +58,11 @@ * FUNCTION: acpi_evaluate_object_typed * * PARAMETERS: Handle - Object handle (optional) - * *Pathname - Object pathname (optional) - * **external_params - List of parameters to pass to method, + * Pathname - Object pathname (optional) + * external_params - List of parameters to pass to method, * terminated by NULL. May be NULL * if no parameters are being passed. - * *return_buffer - Where to put method's return value (if + * return_buffer - Where to put method's return value (if * any). If NULL, no value is returned. * return_type - Expected type of return object * @@ -73,6 +73,7 @@ * be valid (non-null) * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_evaluate_object_typed ( @@ -307,7 +308,8 @@ acpi_evaluate_object ( if (ACPI_SUCCESS (status)) { /* Validate/Allocate/Clear caller buffer */ - status = acpi_ut_initialize_buffer (return_buffer, buffer_space_needed); + status = acpi_ut_initialize_buffer (return_buffer, + buffer_space_needed); if (ACPI_FAILURE (status)) { /* * Caller's buffer is too small or a new one can't be allocated @@ -423,7 +425,8 @@ acpi_walk_namespace ( return_ACPI_STATUS (status); } - status = acpi_ns_walk_namespace (type, start_object, max_depth, ACPI_NS_WALK_UNLOCK, + status = acpi_ns_walk_namespace (type, start_object, max_depth, + ACPI_NS_WALK_UNLOCK, user_function, context, return_value); (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); @@ -525,7 +528,8 @@ acpi_ns_get_device_callback ( } } - status = info->user_function (obj_handle, nesting_level, info->context, return_value); + status = info->user_function (obj_handle, nesting_level, info->context, + return_value); return (status); } diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c index f2405efd1b9a..8d097914c49a 100644 --- a/drivers/acpi/namespace/nsxfname.c +++ b/drivers/acpi/namespace/nsxfname.c @@ -57,9 +57,9 @@ * FUNCTION: acpi_get_handle * * PARAMETERS: Parent - Object to search under (search scope). - * path_name - Pointer to an asciiz string containing the - * name - * ret_handle - Where the return handle is placed + * Pathname - Pointer to an asciiz string containing the + * name + * ret_handle - Where the return handle is returned * * RETURN: Status * @@ -220,7 +220,7 @@ EXPORT_SYMBOL(acpi_get_name); * FUNCTION: acpi_get_object_info * * PARAMETERS: Handle - Object Handle - * Info - Where the info is returned + * Buffer - Where the info is returned * * RETURN: Status * diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/namespace/nsxfobj.c index 19acf32674b9..363e1f6cfb18 100644 --- a/drivers/acpi/namespace/nsxfobj.c +++ b/drivers/acpi/namespace/nsxfobj.c @@ -56,7 +56,7 @@ * FUNCTION: acpi_get_type * * PARAMETERS: Handle - Handle of object whose type is desired - * *ret_type - Where the type will be placed + * ret_type - Where the type will be placed * * RETURN: Status * @@ -258,5 +258,5 @@ unlock_and_exit: (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); return (status); } -EXPORT_SYMBOL(acpi_get_next_object); +EXPORT_SYMBOL(acpi_get_next_object); diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 5a9128de6226..bdd9f37f8101 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -71,6 +71,9 @@ EXPORT_SYMBOL(acpi_in_debugger); extern char line_buf[80]; #endif /*ENABLE_DEBUGGER*/ +int acpi_specific_hotkey_enabled; +EXPORT_SYMBOL(acpi_specific_hotkey_enabled); + static unsigned int acpi_irq_irq; static acpi_osd_handler acpi_irq_handler; static void *acpi_irq_context; @@ -1152,6 +1155,15 @@ acpi_wake_gpes_always_on_setup(char *str) __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup); +int __init +acpi_hotkey_setup(char *str) +{ + acpi_specific_hotkey_enabled = TRUE; + return 1; +} + +__setup("acpi_specific_hotkey", acpi_hotkey_setup); + /* * max_cstate is defined in the base kernel so modules can * change it w/o depending on the state of the processor module. diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c index b5d98895f6a8..b7ac68cc9e1c 100644 --- a/drivers/acpi/parser/psargs.c +++ b/drivers/acpi/parser/psargs.c @@ -50,6 +50,16 @@ #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME ("psargs") +/* Local prototypes */ + +static u32 +acpi_ps_get_next_package_length ( + struct acpi_parse_state *parser_state); + +static union acpi_parse_object * +acpi_ps_get_next_field ( + struct acpi_parse_state *parser_state); + /******************************************************************************* * @@ -64,7 +74,7 @@ * ******************************************************************************/ -u32 +static u32 acpi_ps_get_next_package_length ( struct acpi_parse_state *parser_state) { @@ -78,7 +88,6 @@ acpi_ps_get_next_package_length ( encoded_length = (u32) ACPI_GET8 (parser_state->aml); parser_state->aml++; - switch (encoded_length >> 6) /* bits 6-7 contain encoding scheme */ { case 0: /* 1-byte encoding (bits 0-5) */ @@ -287,13 +296,14 @@ acpi_ps_get_next_namepath ( * parent tree, but don't open a new scope -- we just want to lookup the * object (MUST BE mode EXECUTE to perform upsearch) */ - status = acpi_ns_lookup (&scope_info, path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, - ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, &node); + status = acpi_ns_lookup (&scope_info, path, ACPI_TYPE_ANY, + ACPI_IMODE_EXECUTE, + ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, + NULL, &node); if (ACPI_SUCCESS (status) && method_call) { if (node->type == ACPI_TYPE_METHOD) { - /* - * This name is actually a control method invocation - */ + /* This name is actually a control method invocation */ + method_desc = acpi_ns_get_attached_object (node); ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Control Method - %p Desc %p Path=%p\n", @@ -360,7 +370,7 @@ acpi_ps_get_next_namepath ( /* * We got a NOT_FOUND during table load or we encountered * a cond_ref_of(x) where the target does not exist. - * -- either case is ok + * Either case is ok */ status = AE_OK; } @@ -486,12 +496,13 @@ acpi_ps_get_next_simple_arg ( * ******************************************************************************/ -union acpi_parse_object * +static union acpi_parse_object * acpi_ps_get_next_field ( struct acpi_parse_state *parser_state) { - u32 aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml, - parser_state->aml_start); + u32 aml_offset = (u32) + ACPI_PTR_DIFF (parser_state->aml, + parser_state->aml_start); union acpi_parse_object *field; u16 opcode; u32 name; @@ -500,7 +511,7 @@ acpi_ps_get_next_field ( ACPI_FUNCTION_TRACE ("ps_get_next_field"); - /* determine field type */ + /* Determine field type */ switch (ACPI_GET8 (parser_state->aml)) { default: @@ -521,7 +532,6 @@ acpi_ps_get_next_field ( break; } - /* Allocate a new field op */ field = acpi_ps_alloc_op (opcode); @@ -582,10 +592,10 @@ acpi_ps_get_next_field ( * * FUNCTION: acpi_ps_get_next_arg * - * PARAMETERS: parser_state - Current parser state object + * PARAMETERS: walk_state - Current state + * parser_state - Current parser state object * arg_type - The argument type (AML_*_ARG) - * arg_count - If the argument points to a control method - * the method's argument is returned here. + * return_arg - Where the next arg is returned * * RETURN: Status, and an op object containing the next argument. * @@ -619,7 +629,7 @@ acpi_ps_get_next_arg ( case ARGP_NAME: case ARGP_NAMESTRING: - /* constants, strings, and namestrings are all the same size */ + /* Constants, strings, and namestrings are all the same size */ arg = acpi_ps_alloc_op (AML_BYTE_OP); if (!arg) { @@ -654,7 +664,6 @@ acpi_ps_get_next_arg ( else { arg = field; } - prev = field; } @@ -677,8 +686,8 @@ acpi_ps_get_next_arg ( /* Fill in bytelist data */ - arg->common.value.size = (u32) ACPI_PTR_DIFF (parser_state->pkg_end, - parser_state->aml); + arg->common.value.size = (u32) + ACPI_PTR_DIFF (parser_state->pkg_end, parser_state->aml); arg->named.data = parser_state->aml; /* Skip to End of byte data */ @@ -706,7 +715,7 @@ acpi_ps_get_next_arg ( status = acpi_ps_get_next_namepath (walk_state, parser_state, arg, 0); } else { - /* single complex argument, nothing returned */ + /* Single complex argument, nothing returned */ walk_state->arg_count = 1; } @@ -716,7 +725,7 @@ acpi_ps_get_next_arg ( case ARGP_DATAOBJ: case ARGP_TERMARG: - /* single complex argument, nothing returned */ + /* Single complex argument, nothing returned */ walk_state->arg_count = 1; break; @@ -727,7 +736,7 @@ acpi_ps_get_next_arg ( case ARGP_OBJLIST: if (parser_state->aml < parser_state->pkg_end) { - /* non-empty list of variable arguments, nothing returned */ + /* Non-empty list of variable arguments, nothing returned */ walk_state->arg_count = ACPI_VAR_ARGS; } diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c index 03e33fedc11a..5744673568c0 100644 --- a/drivers/acpi/parser/psopcode.c +++ b/drivers/acpi/parser/psopcode.c @@ -44,6 +44,7 @@ #include <acpi/acpi.h> #include <acpi/acparser.h> +#include <acpi/acopcode.h> #include <acpi/amlcode.h> @@ -51,23 +52,6 @@ ACPI_MODULE_NAME ("psopcode") -#define _UNK 0x6B -/* - * Reserved ASCII characters. Do not use any of these for - * internal opcodes, since they are used to differentiate - * name strings from AML opcodes - */ -#define _ASC 0x6C -#define _NAM 0x6C -#define _PFX 0x6D -#define _UNKNOWN_OPCODE 0x02 /* An example unknown opcode */ - -#define MAX_EXTENDED_OPCODE 0x88 -#define NUM_EXTENDED_OPCODE (MAX_EXTENDED_OPCODE + 1) -#define MAX_INTERNAL_OPCODE -#define NUM_INTERNAL_OPCODE (MAX_INTERNAL_OPCODE + 1) - - /******************************************************************************* * * NAME: acpi_gbl_aml_op_info @@ -79,274 +63,9 @@ * ******************************************************************************/ - -/* - * All AML opcodes and the parse-time arguments for each. Used by the AML parser Each list is compressed - * into a 32-bit number and stored in the master opcode table at the end of this file. - */ - - -#define ARGP_ACCESSFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_ACQUIRE_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_WORDDATA) -#define ARGP_ADD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_ALIAS_OP ARGP_LIST2 (ARGP_NAMESTRING, ARGP_NAME) -#define ARGP_ARG0 ARG_NONE -#define ARGP_ARG1 ARG_NONE -#define ARGP_ARG2 ARG_NONE -#define ARGP_ARG3 ARG_NONE -#define ARGP_ARG4 ARG_NONE -#define ARGP_ARG5 ARG_NONE -#define ARGP_ARG6 ARG_NONE -#define ARGP_BANK_FIELD_OP ARGP_LIST6 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_NAMESTRING,ARGP_TERMARG, ARGP_BYTEDATA, ARGP_FIELDLIST) -#define ARGP_BIT_AND_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_BIT_NAND_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_BIT_NOR_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_BIT_NOT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_BIT_OR_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_BIT_XOR_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_BREAK_OP ARG_NONE -#define ARGP_BREAK_POINT_OP ARG_NONE -#define ARGP_BUFFER_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_BYTELIST) -#define ARGP_BYTE_OP ARGP_LIST1 (ARGP_BYTEDATA) -#define ARGP_BYTELIST_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_CONCAT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_CONCAT_RES_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_COND_REF_OF_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SUPERNAME) -#define ARGP_CONTINUE_OP ARG_NONE -#define ARGP_COPY_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SIMPLENAME) -#define ARGP_CREATE_BIT_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) -#define ARGP_CREATE_BYTE_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) -#define ARGP_CREATE_DWORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) -#define ARGP_CREATE_FIELD_OP ARGP_LIST4 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) -#define ARGP_CREATE_QWORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) -#define ARGP_CREATE_WORD_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) -#define ARGP_DATA_REGION_OP ARGP_LIST4 (ARGP_NAME, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_DEBUG_OP ARG_NONE -#define ARGP_DECREMENT_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_DEREF_OF_OP ARGP_LIST1 (ARGP_TERMARG) -#define ARGP_DEVICE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_OBJLIST) -#define ARGP_DIVIDE_OP ARGP_LIST4 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET, ARGP_TARGET) -#define ARGP_DWORD_OP ARGP_LIST1 (ARGP_DWORDDATA) -#define ARGP_ELSE_OP ARGP_LIST2 (ARGP_PKGLENGTH, ARGP_TERMLIST) -#define ARGP_EVENT_OP ARGP_LIST1 (ARGP_NAME) -#define ARGP_FATAL_OP ARGP_LIST3 (ARGP_BYTEDATA, ARGP_DWORDDATA, ARGP_TERMARG) -#define ARGP_FIELD_OP ARGP_LIST4 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_BYTEDATA, ARGP_FIELDLIST) -#define ARGP_FIND_SET_LEFT_BIT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_FIND_SET_RIGHT_BIT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_FROM_BCD_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_IF_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_TERMLIST) -#define ARGP_INCREMENT_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_INDEX_FIELD_OP ARGP_LIST5 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_NAMESTRING,ARGP_BYTEDATA, ARGP_FIELDLIST) -#define ARGP_INDEX_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_LAND_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LEQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LGREATER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LGREATEREQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LLESS_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LLESSEQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LNOT_OP ARGP_LIST1 (ARGP_TERMARG) -#define ARGP_LNOTEQUAL_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LOAD_OP ARGP_LIST2 (ARGP_NAMESTRING, ARGP_SUPERNAME) -#define ARGP_LOAD_TABLE_OP ARGP_LIST6 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_LOCAL0 ARG_NONE -#define ARGP_LOCAL1 ARG_NONE -#define ARGP_LOCAL2 ARG_NONE -#define ARGP_LOCAL3 ARG_NONE -#define ARGP_LOCAL4 ARG_NONE -#define ARGP_LOCAL5 ARG_NONE -#define ARGP_LOCAL6 ARG_NONE -#define ARGP_LOCAL7 ARG_NONE -#define ARGP_LOR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_MATCH_OP ARGP_LIST6 (ARGP_TERMARG, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_METHOD_OP ARGP_LIST4 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_TERMLIST) -#define ARGP_METHODCALL_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_MID_OP ARGP_LIST4 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_MOD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_MULTIPLY_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_MUTEX_OP ARGP_LIST2 (ARGP_NAME, ARGP_BYTEDATA) -#define ARGP_NAME_OP ARGP_LIST2 (ARGP_NAME, ARGP_DATAOBJ) -#define ARGP_NAMEDFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_NAMEPATH_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_NOOP_OP ARG_NONE -#define ARGP_NOTIFY_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_TERMARG) -#define ARGP_ONE_OP ARG_NONE -#define ARGP_ONES_OP ARG_NONE -#define ARGP_PACKAGE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_BYTEDATA, ARGP_DATAOBJLIST) -#define ARGP_POWER_RES_OP ARGP_LIST5 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_WORDDATA, ARGP_OBJLIST) -#define ARGP_PROCESSOR_OP ARGP_LIST6 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_DWORDDATA, ARGP_BYTEDATA, ARGP_OBJLIST) -#define ARGP_QWORD_OP ARGP_LIST1 (ARGP_QWORDDATA) -#define ARGP_REF_OF_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_REGION_OP ARGP_LIST4 (ARGP_NAME, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_TERMARG) -#define ARGP_RELEASE_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_RESERVEDFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_RESET_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_RETURN_OP ARGP_LIST1 (ARGP_TERMARG) -#define ARGP_REVISION_OP ARG_NONE -#define ARGP_SCOPE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_TERMLIST) -#define ARGP_SHIFT_LEFT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_SHIFT_RIGHT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_SIGNAL_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_SIZE_OF_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_SLEEP_OP ARGP_LIST1 (ARGP_TERMARG) -#define ARGP_STALL_OP ARGP_LIST1 (ARGP_TERMARG) -#define ARGP_STATICSTRING_OP ARGP_LIST1 (ARGP_NAMESTRING) -#define ARGP_STORE_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_SUPERNAME) -#define ARGP_STRING_OP ARGP_LIST1 (ARGP_CHARLIST) -#define ARGP_SUBTRACT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_THERMAL_ZONE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_OBJLIST) -#define ARGP_TIMER_OP ARG_NONE -#define ARGP_TO_BCD_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TO_BUFFER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TO_DEC_STR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TO_HEX_STR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TO_INTEGER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TO_STRING_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TYPE_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_UNLOAD_OP ARGP_LIST1 (ARGP_SUPERNAME) -#define ARGP_VAR_PACKAGE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_DATAOBJLIST) -#define ARGP_WAIT_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_TERMARG) -#define ARGP_WHILE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_TERMLIST) -#define ARGP_WORD_OP ARGP_LIST1 (ARGP_WORDDATA) -#define ARGP_ZERO_OP ARG_NONE - - -/* - * All AML opcodes and the runtime arguments for each. Used by the AML interpreter Each list is compressed - * into a 32-bit number and stored in the master opcode table at the end of this file. - * - * (Used by prep_operands procedure and the ASL Compiler) - */ - - -#define ARGI_ACCESSFIELD_OP ARGI_INVALID_OPCODE -#define ARGI_ACQUIRE_OP ARGI_LIST2 (ARGI_MUTEX, ARGI_INTEGER) -#define ARGI_ADD_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_ALIAS_OP ARGI_INVALID_OPCODE -#define ARGI_ARG0 ARG_NONE -#define ARGI_ARG1 ARG_NONE -#define ARGI_ARG2 ARG_NONE -#define ARGI_ARG3 ARG_NONE -#define ARGI_ARG4 ARG_NONE -#define ARGI_ARG5 ARG_NONE -#define ARGI_ARG6 ARG_NONE -#define ARGI_BANK_FIELD_OP ARGI_INVALID_OPCODE -#define ARGI_BIT_AND_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_BIT_NAND_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_BIT_NOR_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_BIT_NOT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_BIT_OR_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_BIT_XOR_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_BREAK_OP ARG_NONE -#define ARGI_BREAK_POINT_OP ARG_NONE -#define ARGI_BUFFER_OP ARGI_LIST1 (ARGI_INTEGER) -#define ARGI_BYTE_OP ARGI_INVALID_OPCODE -#define ARGI_BYTELIST_OP ARGI_INVALID_OPCODE -#define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA, ARGI_TARGETREF) -#define ARGI_CONCAT_RES_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_BUFFER, ARGI_TARGETREF) -#define ARGI_COND_REF_OF_OP ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF) -#define ARGI_CONTINUE_OP ARGI_INVALID_OPCODE -#define ARGI_COPY_OP ARGI_LIST2 (ARGI_ANYTYPE, ARGI_SIMPLE_TARGET) -#define ARGI_CREATE_BIT_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE) -#define ARGI_CREATE_BYTE_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE) -#define ARGI_CREATE_DWORD_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE) -#define ARGI_CREATE_FIELD_OP ARGI_LIST4 (ARGI_BUFFER, ARGI_INTEGER, ARGI_INTEGER, ARGI_REFERENCE) -#define ARGI_CREATE_QWORD_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE) -#define ARGI_CREATE_WORD_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE) -#define ARGI_DATA_REGION_OP ARGI_LIST3 (ARGI_STRING, ARGI_STRING, ARGI_STRING) -#define ARGI_DEBUG_OP ARG_NONE -#define ARGI_DECREMENT_OP ARGI_LIST1 (ARGI_INTEGER_REF) -#define ARGI_DEREF_OF_OP ARGI_LIST1 (ARGI_REF_OR_STRING) -#define ARGI_DEVICE_OP ARGI_INVALID_OPCODE -#define ARGI_DIVIDE_OP ARGI_LIST4 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF, ARGI_TARGETREF) -#define ARGI_DWORD_OP ARGI_INVALID_OPCODE -#define ARGI_ELSE_OP ARGI_INVALID_OPCODE -#define ARGI_EVENT_OP ARGI_INVALID_OPCODE -#define ARGI_FATAL_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_INTEGER) -#define ARGI_FIELD_OP ARGI_INVALID_OPCODE -#define ARGI_FIND_SET_LEFT_BIT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_FIND_SET_RIGHT_BIT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_FROM_BCD_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_IF_OP ARGI_INVALID_OPCODE -#define ARGI_INCREMENT_OP ARGI_LIST1 (ARGI_INTEGER_REF) -#define ARGI_INDEX_FIELD_OP ARGI_INVALID_OPCODE -#define ARGI_INDEX_OP ARGI_LIST3 (ARGI_COMPLEXOBJ, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_LAND_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_INTEGER) -#define ARGI_LEQUAL_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA) -#define ARGI_LGREATER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA) -#define ARGI_LGREATEREQUAL_OP ARGI_INVALID_OPCODE -#define ARGI_LLESS_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA) -#define ARGI_LLESSEQUAL_OP ARGI_INVALID_OPCODE -#define ARGI_LNOT_OP ARGI_LIST1 (ARGI_INTEGER) -#define ARGI_LNOTEQUAL_OP ARGI_INVALID_OPCODE -#define ARGI_LOAD_OP ARGI_LIST2 (ARGI_REGION_OR_FIELD,ARGI_TARGETREF) -#define ARGI_LOAD_TABLE_OP ARGI_LIST6 (ARGI_STRING, ARGI_STRING, ARGI_STRING, ARGI_STRING, ARGI_STRING, ARGI_ANYTYPE) -#define ARGI_LOCAL0 ARG_NONE -#define ARGI_LOCAL1 ARG_NONE -#define ARGI_LOCAL2 ARG_NONE -#define ARGI_LOCAL3 ARG_NONE -#define ARGI_LOCAL4 ARG_NONE -#define ARGI_LOCAL5 ARG_NONE -#define ARGI_LOCAL6 ARG_NONE -#define ARGI_LOCAL7 ARG_NONE -#define ARGI_LOR_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_INTEGER) -#define ARGI_MATCH_OP ARGI_LIST6 (ARGI_PACKAGE, ARGI_INTEGER, ARGI_COMPUTEDATA, ARGI_INTEGER,ARGI_COMPUTEDATA,ARGI_INTEGER) -#define ARGI_METHOD_OP ARGI_INVALID_OPCODE -#define ARGI_METHODCALL_OP ARGI_INVALID_OPCODE -#define ARGI_MID_OP ARGI_LIST4 (ARGI_BUFFER_OR_STRING,ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_MOD_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_MULTIPLY_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_MUTEX_OP ARGI_INVALID_OPCODE -#define ARGI_NAME_OP ARGI_INVALID_OPCODE -#define ARGI_NAMEDFIELD_OP ARGI_INVALID_OPCODE -#define ARGI_NAMEPATH_OP ARGI_INVALID_OPCODE -#define ARGI_NOOP_OP ARG_NONE -#define ARGI_NOTIFY_OP ARGI_LIST2 (ARGI_DEVICE_REF, ARGI_INTEGER) -#define ARGI_ONE_OP ARG_NONE -#define ARGI_ONES_OP ARG_NONE -#define ARGI_PACKAGE_OP ARGI_LIST1 (ARGI_INTEGER) -#define ARGI_POWER_RES_OP ARGI_INVALID_OPCODE -#define ARGI_PROCESSOR_OP ARGI_INVALID_OPCODE -#define ARGI_QWORD_OP ARGI_INVALID_OPCODE -#define ARGI_REF_OF_OP ARGI_LIST1 (ARGI_OBJECT_REF) -#define ARGI_REGION_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_INTEGER) -#define ARGI_RELEASE_OP ARGI_LIST1 (ARGI_MUTEX) -#define ARGI_RESERVEDFIELD_OP ARGI_INVALID_OPCODE -#define ARGI_RESET_OP ARGI_LIST1 (ARGI_EVENT) -#define ARGI_RETURN_OP ARGI_INVALID_OPCODE -#define ARGI_REVISION_OP ARG_NONE -#define ARGI_SCOPE_OP ARGI_INVALID_OPCODE -#define ARGI_SHIFT_LEFT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_SHIFT_RIGHT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_SIGNAL_OP ARGI_LIST1 (ARGI_EVENT) -#define ARGI_SIZE_OF_OP ARGI_LIST1 (ARGI_DATAOBJECT) -#define ARGI_SLEEP_OP ARGI_LIST1 (ARGI_INTEGER) -#define ARGI_STALL_OP ARGI_LIST1 (ARGI_INTEGER) -#define ARGI_STATICSTRING_OP ARGI_INVALID_OPCODE -#define ARGI_STORE_OP ARGI_LIST2 (ARGI_DATAREFOBJ, ARGI_TARGETREF) -#define ARGI_STRING_OP ARGI_INVALID_OPCODE -#define ARGI_SUBTRACT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) -#define ARGI_THERMAL_ZONE_OP ARGI_INVALID_OPCODE -#define ARGI_TIMER_OP ARG_NONE -#define ARGI_TO_BCD_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_FIXED_TARGET) -#define ARGI_TO_BUFFER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET) -#define ARGI_TO_DEC_STR_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET) -#define ARGI_TO_HEX_STR_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET) -#define ARGI_TO_INTEGER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET) -#define ARGI_TO_STRING_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_FIXED_TARGET) -#define ARGI_TYPE_OP ARGI_LIST1 (ARGI_ANYTYPE) -#define ARGI_UNLOAD_OP ARGI_LIST1 (ARGI_DDBHANDLE) -#define ARGI_VAR_PACKAGE_OP ARGI_LIST1 (ARGI_INTEGER) -#define ARGI_WAIT_OP ARGI_LIST2 (ARGI_EVENT, ARGI_INTEGER) -#define ARGI_WHILE_OP ARGI_INVALID_OPCODE -#define ARGI_WORD_OP ARGI_INVALID_OPCODE -#define ARGI_ZERO_OP ARG_NONE - - /* * Summary of opcode types/flags - */ - -/****************************************************************************** + * Opcodes that have associated namespace objects (AML_NSOBJECT flag) @@ -460,14 +179,13 @@ AML_CREATE_DWORD_FIELD_OP AML_CREATE_QWORD_FIELD_OP -******************************************************************************/ + ******************************************************************************/ /* - * Master Opcode information table. A summary of everything we know about each opcode, all in one place. + * Master Opcode information table. A summary of everything we know about each + * opcode, all in one place. */ - - const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { /*! [Begin] no source code translation */ @@ -693,8 +411,7 @@ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = * * PARAMETERS: Opcode - The AML opcode * - * RETURN: A pointer to the info about the opcode. NULL if the opcode was - * not found in the table. + * RETURN: A pointer to the info about the opcode. * * DESCRIPTION: Find AML opcode description based on the opcode. * NOTE: This procedure must ALWAYS return a valid pointer! @@ -731,7 +448,8 @@ acpi_ps_get_opcode_info ( default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown AML opcode [%4.4X]\n", opcode)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Unknown AML opcode [%4.4X]\n", opcode)); break; } diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index e79edb53cb3b..bbfdc1a58c27 100644 --- a/drivers/acpi/parser/psparse.c +++ b/drivers/acpi/parser/psparse.c @@ -64,6 +64,23 @@ static u32 acpi_gbl_depth = 0; +/* Local prototypes */ + +static void +acpi_ps_complete_this_op ( + struct acpi_walk_state *walk_state, + union acpi_parse_object *op); + +static acpi_status +acpi_ps_next_parse_state ( + struct acpi_walk_state *walk_state, + union acpi_parse_object *op, + acpi_status callback_status); + +static acpi_status +acpi_ps_parse_loop ( + struct acpi_walk_state *walk_state); + /******************************************************************************* * @@ -100,7 +117,7 @@ acpi_ps_get_opcode_size ( * * PARAMETERS: parser_state - A parser state object * - * RETURN: Status + * RETURN: Next AML opcode * * DESCRIPTION: Get next AML opcode (without incrementing AML pointer) * @@ -117,7 +134,6 @@ acpi_ps_peek_opcode ( aml = parser_state->aml; opcode = (u16) ACPI_GET8 (aml); - if (opcode == AML_EXTOP) { /* Extended opcode */ @@ -142,7 +158,7 @@ acpi_ps_peek_opcode ( * ******************************************************************************/ -void +static void acpi_ps_complete_this_op ( struct acpi_walk_state *walk_state, union acpi_parse_object *op) @@ -272,7 +288,6 @@ acpi_ps_complete_this_op ( next = NULL; } } - prev = next; } } @@ -280,7 +295,7 @@ acpi_ps_complete_this_op ( cleanup: - /* Now we can actually delete the subtree rooted at op */ + /* Now we can actually delete the subtree rooted at Op */ acpi_ps_delete_parse_tree (op); return_VOID; @@ -291,7 +306,9 @@ cleanup: * * FUNCTION: acpi_ps_next_parse_state * - * PARAMETERS: parser_state - Current parser state object + * PARAMETERS: walk_state - Current state + * Op - Current parse op + * callback_status - Status from previous operation * * RETURN: Status * @@ -300,7 +317,7 @@ cleanup: * ******************************************************************************/ -acpi_status +static acpi_status acpi_ps_next_parse_state ( struct acpi_walk_state *walk_state, union acpi_parse_object *op, @@ -382,9 +399,8 @@ acpi_ps_next_parse_state ( case AE_CTRL_TRANSFER: - /* - * A method call (invocation) -- transfer control - */ + /* A method call (invocation) -- transfer control */ + status = AE_CTRL_TRANSFER; walk_state->prev_op = op; walk_state->method_call_op = op; @@ -397,6 +413,7 @@ acpi_ps_next_parse_state ( default: + status = callback_status; if ((callback_status & AE_CODE_MASK) == AE_CODE_CONTROL) { status = AE_OK; @@ -412,7 +429,7 @@ acpi_ps_next_parse_state ( * * FUNCTION: acpi_ps_parse_loop * - * PARAMETERS: parser_state - Current parser state object + * PARAMETERS: walk_state - Current state * * RETURN: Status * @@ -421,7 +438,7 @@ acpi_ps_next_parse_state ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ps_parse_loop ( struct acpi_walk_state *walk_state) { @@ -443,6 +460,7 @@ acpi_ps_parse_loop ( walk_state->arg_types = 0; #if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY)) + if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) { /* We are restarting a preempted control method */ @@ -471,7 +489,8 @@ acpi_ps_parse_loop ( acpi_format_exception (status))); } - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "get_predicate Failed, %s\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "get_predicate Failed, %s\n", acpi_format_exception (status))); return_ACPI_STATUS (status); } @@ -492,16 +511,15 @@ acpi_ps_parse_loop ( } #endif - /* - * Iterative parsing loop, while there is more aml to process: - */ + /* Iterative parsing loop, while there is more AML to process: */ + while ((parser_state->aml < parser_state->aml_end) || (op)) { aml_op_start = parser_state->aml; if (!op) { /* Get the next opcode from the AML stream */ walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml, - parser_state->aml_start); + parser_state->aml_start); walk_state->opcode = acpi_ps_peek_opcode (parser_state); /* @@ -578,8 +596,10 @@ acpi_ps_parse_loop ( INCREMENT_ARG_LIST (walk_state->arg_types); } - /* Make sure that we found a NAME and didn't run out of arguments */ - + /* + * Make sure that we found a NAME and didn't run out of + * arguments + */ if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) { status = AE_AML_NO_OPERAND; goto close_this_op; @@ -597,12 +617,13 @@ acpi_ps_parse_loop ( status = walk_state->descending_callback (walk_state, &op); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "During name lookup/catalog, %s\n", - acpi_format_exception (status))); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "During name lookup/catalog, %s\n", + acpi_format_exception (status))); goto close_this_op; } - if (op == NULL) { + if (!op) { continue; } @@ -659,7 +680,7 @@ acpi_ps_parse_loop ( if ((walk_state->descending_callback != NULL)) { /* - * Find the object. This will either insert the object into + * Find the object. This will either insert the object into * the namespace or simply look it up */ walk_state->op = op; @@ -688,11 +709,15 @@ acpi_ps_parse_loop ( } - /* Start arg_count at zero because we don't know if there are any args yet */ - + /* + * Start arg_count at zero because we don't know if there are + * any args yet + */ walk_state->arg_count = 0; - if (walk_state->arg_types) /* Are there any arguments that must be processed? */ { + /* Are there any arguments that must be processed? */ + + if (walk_state->arg_types) { /* Get arguments */ switch (op->common.aml_opcode) { @@ -720,14 +745,18 @@ acpi_ps_parse_loop ( default: - /* Op is not a constant or string, append each argument to the Op */ - + /* + * Op is not a constant or string, append each argument + * to the Op + */ while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) && !walk_state->arg_count) { - walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml, - parser_state->aml_start); + walk_state->aml_offset = (u32) + ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start); + status = acpi_ps_get_next_arg (walk_state, parser_state, - GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg); + GET_CURRENT_ARG_TYPE (walk_state->arg_types), + &arg); if (ACPI_FAILURE (status)) { goto close_this_op; } @@ -752,7 +781,8 @@ acpi_ps_parse_loop ( * Save the length and address of the body */ op->named.data = parser_state->aml; - op->named.length = (u32) (parser_state->pkg_end - parser_state->aml); + op->named.length = (u32) (parser_state->pkg_end - + parser_state->aml); /* Skip body of method */ @@ -773,7 +803,8 @@ acpi_ps_parse_loop ( * to parse them correctly. */ op->named.data = aml_op_start; - op->named.length = (u32) (parser_state->pkg_end - aml_op_start); + op->named.length = (u32) (parser_state->pkg_end - + aml_op_start); /* Skip body */ @@ -785,7 +816,8 @@ acpi_ps_parse_loop ( case AML_WHILE_OP: if (walk_state->control_state) { - walk_state->control_state->control.package_end = parser_state->pkg_end; + walk_state->control_state->control.package_end = + parser_state->pkg_end; } break; @@ -801,8 +833,10 @@ acpi_ps_parse_loop ( /* Check for arguments that need to be processed */ if (walk_state->arg_count) { - /* There are arguments (complex ones), push Op and prepare for argument */ - + /* + * There are arguments (complex ones), push Op and + * prepare for argument + */ status = acpi_ps_push_scope (parser_state, op, walk_state->arg_types, walk_state->arg_count); if (ACPI_FAILURE (status)) { @@ -812,8 +846,10 @@ acpi_ps_parse_loop ( continue; } - /* All arguments have been processed -- Op is complete, prepare for next */ - + /* + * All arguments have been processed -- Op is complete, + * prepare for next + */ walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode); if (walk_state->op_info->flags & AML_NAMED) { if (acpi_gbl_depth) { @@ -880,9 +916,8 @@ close_this_op: case AE_CTRL_TRANSFER: - /* - * We are about to transfer to a called method. - */ + /* We are about to transfer to a called method. */ + walk_state->prev_op = op; walk_state->prev_arg_types = walk_state->arg_types; return_ACPI_STATUS (status); @@ -1051,10 +1086,7 @@ close_this_op: * * FUNCTION: acpi_ps_parse_aml * - * PARAMETERS: start_scope - The starting point of the parse. Becomes the - * root of the parsed op tree. - * Aml - Pointer to the raw AML code to parse - * aml_size - Length of the AML to parse + * PARAMETERS: walk_state - Current state * * * RETURN: Status @@ -1076,8 +1108,10 @@ acpi_ps_parse_aml ( ACPI_FUNCTION_TRACE ("ps_parse_aml"); - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Entered with walk_state=%p Aml=%p size=%X\n", - walk_state, walk_state->parser_state.aml, walk_state->parser_state.aml_size)); + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, + "Entered with walk_state=%p Aml=%p size=%X\n", + walk_state, walk_state->parser_state.aml, + walk_state->parser_state.aml_size)); /* Create and initialize a new thread state */ @@ -1142,9 +1176,10 @@ acpi_ps_parse_aml ( if ((status == AE_ALREADY_EXISTS) && (!walk_state->method_desc->method.semaphore)) { /* - * This method is marked not_serialized, but it tried to create a named - * object, causing the second thread entrance to fail. We will workaround - * this by marking the method permanently as Serialized. + * This method is marked not_serialized, but it tried to create + * a named object, causing the second thread entrance to fail. + * We will workaround this by marking the method permanently + * as Serialized. */ walk_state->method_desc->method.method_flags |= AML_METHOD_SERIALIZED; walk_state->method_desc->method.concurrency = 1; @@ -1187,7 +1222,8 @@ acpi_ps_parse_aml ( previous_walk_state = walk_state; - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "return_value=%p, implicit_value=%p State=%p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, + "return_value=%p, implicit_value=%p State=%p\n", walk_state->return_desc, walk_state->implicit_return_obj, walk_state)); /* Check if we have restarted a preempted walk */ @@ -1231,12 +1267,14 @@ acpi_ps_parse_aml ( */ else if (previous_walk_state->caller_return_desc) { if (previous_walk_state->implicit_return_obj) { - *(previous_walk_state->caller_return_desc) = previous_walk_state->implicit_return_obj; + *(previous_walk_state->caller_return_desc) = + previous_walk_state->implicit_return_obj; } else { /* NULL if no return value */ - *(previous_walk_state->caller_return_desc) = previous_walk_state->return_desc; + *(previous_walk_state->caller_return_desc) = + previous_walk_state->return_desc; } } else { diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c index dcbed49608b0..8dcd1b1e7131 100644 --- a/drivers/acpi/parser/psscope.c +++ b/drivers/acpi/parser/psscope.c @@ -65,6 +65,7 @@ union acpi_parse_object * acpi_ps_get_parent_scope ( struct acpi_parse_state *parser_state) { + return (parser_state->scope->parse_scope.op); } @@ -87,8 +88,10 @@ u8 acpi_ps_has_completed_scope ( struct acpi_parse_state *parser_state) { - return ((u8) ((parser_state->aml >= parser_state->scope->parse_scope.arg_end || - !parser_state->scope->parse_scope.arg_count))); + + return ((u8) + ((parser_state->aml >= parser_state->scope->parse_scope.arg_end || + !parser_state->scope->parse_scope.arg_count))); } @@ -167,23 +170,23 @@ acpi_ps_push_scope ( return_ACPI_STATUS (AE_NO_MEMORY); } - scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE; - scope->parse_scope.op = op; - scope->parse_scope.arg_list = remaining_args; - scope->parse_scope.arg_count = arg_count; - scope->parse_scope.pkg_end = parser_state->pkg_end; + scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE; + scope->parse_scope.op = op; + scope->parse_scope.arg_list = remaining_args; + scope->parse_scope.arg_count = arg_count; + scope->parse_scope.pkg_end = parser_state->pkg_end; /* Push onto scope stack */ acpi_ut_push_generic_state (&parser_state->scope, scope); if (arg_count == ACPI_VAR_ARGS) { - /* multiple arguments */ + /* Multiple arguments */ scope->parse_scope.arg_end = parser_state->pkg_end; } else { - /* single argument */ + /* Single argument */ scope->parse_scope.arg_end = ACPI_TO_POINTER (ACPI_MAX_PTR); } @@ -221,18 +224,17 @@ acpi_ps_pop_scope ( ACPI_FUNCTION_TRACE ("ps_pop_scope"); - /* - * Only pop the scope if there is in fact a next scope - */ + /* Only pop the scope if there is in fact a next scope */ + if (scope->common.next) { scope = acpi_ut_pop_generic_state (&parser_state->scope); /* return to parsing previous op */ - *op = scope->parse_scope.op; - *arg_list = scope->parse_scope.arg_list; - *arg_count = scope->parse_scope.arg_count; - parser_state->pkg_end = scope->parse_scope.pkg_end; + *op = scope->parse_scope.op; + *arg_list = scope->parse_scope.arg_list; + *arg_count = scope->parse_scope.arg_count; + parser_state->pkg_end = scope->parse_scope.pkg_end; /* All done with this scope state structure */ @@ -241,12 +243,13 @@ acpi_ps_pop_scope ( else { /* empty parse stack, prepare to fetch next opcode */ - *op = NULL; - *arg_list = 0; - *arg_count = 0; + *op = NULL; + *arg_list = 0; + *arg_count = 0; } - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped Op %p Args %X\n", *op, *arg_count)); + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, + "Popped Op %p Args %X\n", *op, *arg_count)); return_VOID; } @@ -257,7 +260,7 @@ acpi_ps_pop_scope ( * * PARAMETERS: parser_state - Current parser state object * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Destroy available list, remaining stack levels, and return * root scope diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c index 2140bd1ac10b..d5aafe73fca0 100644 --- a/drivers/acpi/parser/pstree.c +++ b/drivers/acpi/parser/pstree.c @@ -49,6 +49,14 @@ #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME ("pstree") +/* Local prototypes */ + +#ifdef ACPI_OBSOLETE_FUNCTIONS +union acpi_parse_object * +acpi_ps_get_child ( + union acpi_parse_object *op); +#endif + /******************************************************************************* * @@ -57,7 +65,7 @@ * PARAMETERS: Op - Get an argument for this op * Argn - Nth argument to get * - * RETURN: The argument (as an Op object). NULL if argument does not exist + * RETURN: The argument (as an Op object). NULL if argument does not exist * * DESCRIPTION: Get the specified op's argument. * @@ -152,7 +160,6 @@ acpi_ps_append_arg ( return; } - /* Append the argument to the linked argument list */ if (op->common.value.arg) { @@ -164,14 +171,12 @@ acpi_ps_append_arg ( } prev_arg->common.next = arg; } - else { /* No argument list, this will be the first argument */ op->common.value.arg = arg; } - /* Set the parent in this arg and any args linked after it */ while (arg) { @@ -182,73 +187,6 @@ acpi_ps_append_arg ( #ifdef ACPI_FUTURE_USAGE - -/******************************************************************************* - * - * FUNCTION: acpi_ps_get_child - * - * PARAMETERS: Op - Get the child of this Op - * - * RETURN: Child Op, Null if none is found. - * - * DESCRIPTION: Get op's children or NULL if none - * - ******************************************************************************/ -union acpi_parse_object * -acpi_ps_get_child ( - union acpi_parse_object *op) -{ - union acpi_parse_object *child = NULL; - - - ACPI_FUNCTION_ENTRY (); - - - switch (op->common.aml_opcode) { - case AML_SCOPE_OP: - case AML_ELSE_OP: - case AML_DEVICE_OP: - case AML_THERMAL_ZONE_OP: - case AML_INT_METHODCALL_OP: - - child = acpi_ps_get_arg (op, 0); - break; - - - case AML_BUFFER_OP: - case AML_PACKAGE_OP: - case AML_METHOD_OP: - case AML_IF_OP: - case AML_WHILE_OP: - case AML_FIELD_OP: - - child = acpi_ps_get_arg (op, 1); - break; - - - case AML_POWER_RES_OP: - case AML_INDEX_FIELD_OP: - - child = acpi_ps_get_arg (op, 2); - break; - - - case AML_PROCESSOR_OP: - case AML_BANK_FIELD_OP: - - child = acpi_ps_get_arg (op, 3); - break; - - - default: - /* All others have no children */ - break; - } - - return (child); -} - - /******************************************************************************* * * FUNCTION: acpi_ps_get_depth_next @@ -280,21 +218,21 @@ acpi_ps_get_depth_next ( return (NULL); } - /* look for an argument or child */ + /* Look for an argument or child */ next = acpi_ps_get_arg (op, 0); if (next) { return (next); } - /* look for a sibling */ + /* Look for a sibling */ next = op->common.next; if (next) { return (next); } - /* look for a sibling of parent */ + /* Look for a sibling of parent */ parent = op->common.parent; @@ -305,13 +243,13 @@ acpi_ps_get_depth_next ( } if (arg == origin) { - /* reached parent of origin, end search */ + /* Reached parent of origin, end search */ return (NULL); } if (parent->common.next) { - /* found sibling of parent */ + /* Found sibling of parent */ return (parent->common.next); } @@ -323,5 +261,74 @@ acpi_ps_get_depth_next ( return (next); } + +#ifdef ACPI_OBSOLETE_FUNCTIONS +/******************************************************************************* + * + * FUNCTION: acpi_ps_get_child + * + * PARAMETERS: Op - Get the child of this Op + * + * RETURN: Child Op, Null if none is found. + * + * DESCRIPTION: Get op's children or NULL if none + * + ******************************************************************************/ + +union acpi_parse_object * +acpi_ps_get_child ( + union acpi_parse_object *op) +{ + union acpi_parse_object *child = NULL; + + + ACPI_FUNCTION_ENTRY (); + + + switch (op->common.aml_opcode) { + case AML_SCOPE_OP: + case AML_ELSE_OP: + case AML_DEVICE_OP: + case AML_THERMAL_ZONE_OP: + case AML_INT_METHODCALL_OP: + + child = acpi_ps_get_arg (op, 0); + break; + + + case AML_BUFFER_OP: + case AML_PACKAGE_OP: + case AML_METHOD_OP: + case AML_IF_OP: + case AML_WHILE_OP: + case AML_FIELD_OP: + + child = acpi_ps_get_arg (op, 1); + break; + + + case AML_POWER_RES_OP: + case AML_INDEX_FIELD_OP: + + child = acpi_ps_get_arg (op, 2); + break; + + + case AML_PROCESSOR_OP: + case AML_BANK_FIELD_OP: + + child = acpi_ps_get_arg (op, 3); + break; + + + default: + /* All others have no children */ + break; + } + + return (child); +} +#endif + #endif /* ACPI_FUTURE_USAGE */ diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c index b3597cb19f88..a10f88715d43 100644 --- a/drivers/acpi/parser/psutils.c +++ b/drivers/acpi/parser/psutils.c @@ -45,7 +45,6 @@ #include <acpi/acpi.h> #include <acpi/acparser.h> #include <acpi/amlcode.h> -#include <acpi/acnamesp.h> #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME ("psutils") @@ -57,7 +56,7 @@ * * PARAMETERS: None * - * RETURN: scope_op + * RETURN: A new Scope object, null on failure * * DESCRIPTION: Create a Scope and associated namepath op with the root name * @@ -75,7 +74,6 @@ acpi_ps_create_scope_op ( return (NULL); } - scope_op->named.name = ACPI_ROOT_NAME; return (scope_op); } @@ -88,10 +86,9 @@ acpi_ps_create_scope_op ( * PARAMETERS: Op - A newly allocated Op object * Opcode - Opcode to store in the Op * - * RETURN: Status + * RETURN: None * - * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on - * opcode + * DESCRIPTION: Initialize a parse (Op) object * ******************************************************************************/ @@ -107,7 +104,8 @@ acpi_ps_init_op ( op->common.aml_opcode = opcode; ACPI_DISASM_ONLY_MEMBERS (ACPI_STRNCPY (op->common.aml_op_name, - (acpi_ps_get_opcode_info (opcode))->name, sizeof (op->common.aml_op_name))); + (acpi_ps_get_opcode_info (opcode))->name, + sizeof (op->common.aml_op_name))); } @@ -117,7 +115,7 @@ acpi_ps_init_op ( * * PARAMETERS: Opcode - Opcode that will be stored in the new Op * - * RETURN: Pointer to the new Op. + * RETURN: Pointer to the new Op, null on failure * * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on * opcode. A cache of opcodes is available for the pure @@ -275,7 +273,6 @@ acpi_ps_get_name ( union acpi_parse_object *op) { - /* The "generic" object has no name associated with it */ if (op->common.flags & ACPI_PARSEOP_GENERIC) { diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c index 110d2ce917b6..9d20cb2ceb51 100644 --- a/drivers/acpi/parser/pswalk.c +++ b/drivers/acpi/parser/pswalk.c @@ -90,17 +90,15 @@ acpi_ps_delete_parse_tree ( } } - /* - * No more children, this Op is complete. - */ + /* No more children, this Op is complete. */ + next = op->common.next; parent = op->common.parent; acpi_ps_free_op (op); - /* - * If we are back to the starting point, the walk is complete. - */ + /* If we are back to the starting point, the walk is complete. */ + if (op == subtree_root) { return_VOID; } @@ -111,5 +109,6 @@ acpi_ps_delete_parse_tree ( op = parent; } } + return_VOID; } diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c index b318ad24726d..dba893648e84 100644 --- a/drivers/acpi/parser/psxface.c +++ b/drivers/acpi/parser/psxface.c @@ -57,13 +57,16 @@ * * FUNCTION: acpi_psx_execute * - * PARAMETERS: Info->Node - A method object containing both the AML - * address and length. - * **Params - List of parameters to pass to method, + * PARAMETERS: Info - Method info block, contains: + * Node - Method Node to execute + * Parameters - List of parameters to pass to the method, * terminated by NULL. Params itself may be * NULL if no parameters are being passed. - * **return_obj_desc - Return object from execution of the - * method. + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. + * parameter_type - Type of Parameter list + * return_object - Where to put method's return value (if + * any). If NULL, no value is returned. * * RETURN: Status * @@ -196,9 +199,8 @@ acpi_psx_execute ( goto cleanup3; } - /* - * The walk of the parse tree is where we actually execute the method - */ + /* The walk of the parse tree is where we actually execute the method */ + status = acpi_ps_parse_aml (walk_state); goto cleanup2; /* Walk state already deleted */ @@ -217,7 +219,8 @@ cleanup1: for (i = 0; info->parameters[i]; i++) { /* Ignore errors, just do them all */ - (void) acpi_ut_update_object_reference (info->parameters[i], REF_DECREMENT); + (void) acpi_ut_update_object_reference ( + info->parameters[i], REF_DECREMENT); } } diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 520b28ad0740..6ad0e77df9b3 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -72,10 +72,12 @@ struct acpi_pci_link_irq { u8 active; /* Current IRQ */ u8 edge_level; /* All IRQs */ u8 active_high_low; /* All IRQs */ - u8 initialized; u8 resource_type; u8 possible_count; u8 possible[ACPI_PCI_LINK_MAX_POSSIBLE]; + u8 initialized:1; + u8 suspend_resume:1; + u8 reserved:6; }; struct acpi_pci_link { @@ -530,6 +532,10 @@ static int acpi_pci_link_allocate( ACPI_FUNCTION_TRACE("acpi_pci_link_allocate"); + if (link->irq.suspend_resume) { + acpi_pci_link_set(link, link->irq.active); + link->irq.suspend_resume = 0; + } if (link->irq.initialized) return_VALUE(0); @@ -713,38 +719,24 @@ end: return_VALUE(result); } - -static int -acpi_pci_link_resume ( - struct acpi_pci_link *link) -{ - ACPI_FUNCTION_TRACE("acpi_pci_link_resume"); - - if (link->irq.active && link->irq.initialized) - return_VALUE(acpi_pci_link_set(link, link->irq.active)); - else - return_VALUE(0); -} - - static int -irqrouter_resume( - struct sys_device *dev) +irqrouter_suspend( + struct sys_device *dev, + u32 state) { struct list_head *node = NULL; struct acpi_pci_link *link = NULL; - ACPI_FUNCTION_TRACE("irqrouter_resume"); + ACPI_FUNCTION_TRACE("irqrouter_suspend"); list_for_each(node, &acpi_link.entries) { - link = list_entry(node, struct acpi_pci_link, node); if (!link) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n")); continue; } - - acpi_pci_link_resume(link); + if (link->irq.active && link->irq.initialized) + link->irq.suspend_resume = 1; } return_VALUE(0); } @@ -812,9 +804,12 @@ static int __init acpi_irq_penalty_update(char *str, int used) * There is no ISA_POSSIBLE weight, so we simply use * the (small) PCI_USING penalty. */ -void acpi_penalize_isa_irq(int irq) +void acpi_penalize_isa_irq(int irq, int active) { - acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; + if (active) + acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; + else + acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; } /* @@ -856,7 +851,7 @@ __setup("acpi_irq_balance", acpi_irq_balance_set); static struct sysdev_class irqrouter_sysdev_class = { set_kset_name("irqrouter"), - .resume = irqrouter_resume, + .suspend = irqrouter_suspend, }; diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 76156ac91bd3..d56a439ac614 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -256,6 +256,43 @@ acpi_processor_errata ( /* -------------------------------------------------------------------------- + Common ACPI processor fucntions + -------------------------------------------------------------------------- */ + +/* + * _PDC is required for a BIOS-OS handshake for most of the newer + * ACPI processor features. + */ + +int acpi_processor_set_pdc(struct acpi_processor *pr, + struct acpi_object_list *pdc_in) +{ + acpi_status status = AE_OK; + u32 arg0_buf[3]; + union acpi_object arg0 = {ACPI_TYPE_BUFFER}; + struct acpi_object_list no_object = {1, &arg0}; + struct acpi_object_list *pdc; + + ACPI_FUNCTION_TRACE("acpi_processor_set_pdc"); + + arg0.buffer.length = 12; + arg0.buffer.pointer = (u8 *) arg0_buf; + arg0_buf[0] = ACPI_PDC_REVISION_ID; + arg0_buf[1] = 0; + arg0_buf[2] = 0; + + pdc = (pdc_in) ? pdc_in : &no_object; + + status = acpi_evaluate_object(pr->handle, "_PDC", pdc, NULL); + + if ((ACPI_FAILURE(status)) && (pdc_in)) + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Error evaluating _PDC, using legacy perf. control...\n")); + + return_VALUE(status); +} + + +/* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index c9d671cf7857..893b074e3d1a 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -6,6 +6,8 @@ * Copyright (C) 2004 Dominik Brodowski <linux@brodo.de> * Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> * - Added processor hotplug support + * Copyright (C) 2005 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> + * - Added support for C3 on SMP * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * @@ -142,7 +144,7 @@ acpi_processor_power_activate ( switch (old->type) { case ACPI_STATE_C3: /* Disable bus master reload */ - if (new->type != ACPI_STATE_C3) + if (new->type != ACPI_STATE_C3 && pr->flags.bm_check) acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, ACPI_MTX_DO_NOT_LOCK); break; } @@ -152,7 +154,7 @@ acpi_processor_power_activate ( switch (new->type) { case ACPI_STATE_C3: /* Enable bus master reload */ - if (old->type != ACPI_STATE_C3) + if (old->type != ACPI_STATE_C3 && pr->flags.bm_check) acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1, ACPI_MTX_DO_NOT_LOCK); break; } @@ -163,6 +165,9 @@ acpi_processor_power_activate ( } +static atomic_t c3_cpu_count; + + static void acpi_processor_idle (void) { struct acpi_processor *pr = NULL; @@ -297,8 +302,22 @@ static void acpi_processor_idle (void) break; case ACPI_STATE_C3: - /* Disable bus master arbitration */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, ACPI_MTX_DO_NOT_LOCK); + + if (pr->flags.bm_check) { + if (atomic_inc_return(&c3_cpu_count) == + num_online_cpus()) { + /* + * All CPUs are trying to go to C3 + * Disable bus master arbitration + */ + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, + ACPI_MTX_DO_NOT_LOCK); + } + } else { + /* SMP with no shared cache... Invalidate cache */ + ACPI_FLUSH_CPU_CACHE(); + } + /* Get start time (ticks) */ t1 = inl(acpi_fadt.xpm_tmr_blk.address); /* Invoke C3 */ @@ -307,8 +326,12 @@ static void acpi_processor_idle (void) t2 = inl(acpi_fadt.xpm_tmr_blk.address); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); - /* Enable bus master arbitration */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_DO_NOT_LOCK); + if (pr->flags.bm_check) { + /* Enable bus master arbitration */ + atomic_dec(&c3_cpu_count); + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_DO_NOT_LOCK); + } + /* Re-enable interrupts */ local_irq_enable(); /* Compute time (ticks) that we were actually asleep */ @@ -519,6 +542,29 @@ static int acpi_processor_get_power_info_fadt (struct acpi_processor *pr) } +static int acpi_processor_get_power_info_default_c1 (struct acpi_processor *pr) +{ + int i; + + ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1"); + + for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++) + memset(pr->power.states, 0, sizeof(struct acpi_processor_cx)); + + /* if info is obtained from pblk/fadt, type equals state */ + pr->power.states[ACPI_STATE_C1].type = ACPI_STATE_C1; + pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2; + pr->power.states[ACPI_STATE_C3].type = ACPI_STATE_C3; + + /* the C0 state only exists as a filler in our array, + * and all processors need to support C1 */ + pr->power.states[ACPI_STATE_C0].valid = 1; + pr->power.states[ACPI_STATE_C1].valid = 1; + + return_VALUE(0); +} + + static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) { acpi_status status = 0; @@ -529,9 +575,6 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_cst"); - if (errata.smp) - return_VALUE(-ENODEV); - if (nocst) return_VALUE(-ENODEV); @@ -664,13 +707,6 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) return_VOID; } - /* We're (currently) only supporting C2 on UP */ - else if (errata.smp) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C2 not supported in SMP mode\n")); - return_VOID; - } - /* * Otherwise we've met all of our C2 requirements. * Normalize the C2 latency to expidite policy @@ -686,6 +722,8 @@ static void acpi_processor_power_verify_c3( struct acpi_processor *pr, struct acpi_processor_cx *cx) { + static int bm_check_flag; + ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c3"); if (!cx->address) @@ -702,20 +740,6 @@ static void acpi_processor_power_verify_c3( return_VOID; } - /* bus mastering control is necessary */ - else if (!pr->flags.bm_control) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 support requires bus mastering control\n")); - return_VOID; - } - - /* We're (currently) only supporting C2 on UP */ - else if (errata.smp) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 not supported in SMP mode\n")); - return_VOID; - } - /* * PIIX4 Erratum #18: We don't support C3 when Type-F (fast) * DMA transfers are used by any ISA device to avoid livelock. @@ -729,6 +753,39 @@ static void acpi_processor_power_verify_c3( return_VOID; } + /* All the logic here assumes flags.bm_check is same across all CPUs */ + if (!bm_check_flag) { + /* Determine whether bm_check is needed based on CPU */ + acpi_processor_power_init_bm_check(&(pr->flags), pr->id); + bm_check_flag = pr->flags.bm_check; + } else { + pr->flags.bm_check = bm_check_flag; + } + + if (pr->flags.bm_check) { + printk("Disabling BM access before entering C3\n"); + /* bus mastering control is necessary */ + if (!pr->flags.bm_control) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "C3 support requires bus mastering control\n")); + return_VOID; + } + } else { + printk("Invalidating cache before entering C3\n"); + /* + * WBINVD should be set in fadt, for C3 state to be + * supported on when bm_check is not required. + */ + if (acpi_fadt.wb_invd != 1) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Cache invalidation should work properly" + " for C3 to be enabled on SMP systems\n")); + return_VOID; + } + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, + 0, ACPI_MTX_DO_NOT_LOCK); + } + /* * Otherwise we've met all of our C3 requirements. * Normalize the C3 latency to expidite policy. Enable @@ -737,7 +794,6 @@ static void acpi_processor_power_verify_c3( */ cx->valid = 1; cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); - pr->flags.bm_check = 1; return_VOID; } @@ -787,10 +843,7 @@ static int acpi_processor_get_power_info ( if ((result) || (acpi_processor_power_verify(pr) < 2)) { result = acpi_processor_get_power_info_fadt(pr); if (result) - return_VALUE(result); - - if (acpi_processor_power_verify(pr) < 2) - return_VALUE(-ENODEV); + result = acpi_processor_get_power_info_default_c1(pr); } /* @@ -810,11 +863,10 @@ static int acpi_processor_get_power_info ( * CPU as being "idle manageable" */ for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { - if (pr->power.states[i].valid) + if (pr->power.states[i].valid) { pr->power.count = i; - if ((pr->power.states[i].valid) && - (pr->power.states[i].type >= ACPI_STATE_C2)) pr->flags.power = 1; + } } return_VALUE(0); @@ -829,7 +881,7 @@ int acpi_processor_cst_has_changed (struct acpi_processor *pr) if (!pr) return_VALUE(-EINVAL); - if (errata.smp || nocst) { + if ( nocst) { return_VALUE(-ENODEV); } @@ -929,7 +981,6 @@ static struct file_operations acpi_processor_power_fops = { .release = single_release, }; - int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *device) { acpi_status status = 0; @@ -946,7 +997,10 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev first_run++; } - if (!errata.smp && (pr->id == 0) && acpi_fadt.cst_cnt && !nocst) { + if (!pr) + return_VALUE(-EINVAL); + + if (acpi_fadt.cst_cnt && !nocst) { status = acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, @@ -954,6 +1008,8 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev } } + acpi_processor_power_init_pdc(&(pr->power), pr->id); + acpi_processor_set_pdc(pr, pr->power.pdc); acpi_processor_get_power_info(pr); /* diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index a9a1a8fe3199..1f0d6256302f 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -165,37 +165,6 @@ void acpi_processor_ppc_exit(void) { acpi_processor_ppc_status &= ~PPC_REGISTERED; } -/* - * when registering a cpufreq driver with this ACPI processor driver, the - * _PCT and _PSS structures are read out and written into struct - * acpi_processor_performance. - */ -static int acpi_processor_set_pdc (struct acpi_processor *pr) -{ - acpi_status status = AE_OK; - u32 arg0_buf[3]; - union acpi_object arg0 = {ACPI_TYPE_BUFFER}; - struct acpi_object_list no_object = {1, &arg0}; - struct acpi_object_list *pdc; - - ACPI_FUNCTION_TRACE("acpi_processor_set_pdc"); - - arg0.buffer.length = 12; - arg0.buffer.pointer = (u8 *) arg0_buf; - arg0_buf[0] = ACPI_PDC_REVISION_ID; - arg0_buf[1] = 0; - arg0_buf[2] = 0; - - pdc = (pr->performance->pdc) ? pr->performance->pdc : &no_object; - - status = acpi_evaluate_object(pr->handle, "_PDC", pdc, NULL); - - if ((ACPI_FAILURE(status)) && (pr->performance->pdc)) - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Error evaluating _PDC, using legacy perf. control...\n")); - - return_VALUE(status); -} - static int acpi_processor_get_performance_control ( @@ -357,7 +326,7 @@ acpi_processor_get_performance_info ( if (!pr || !pr->performance || !pr->handle) return_VALUE(-EINVAL); - acpi_processor_set_pdc(pr); + acpi_processor_set_pdc(pr, pr->performance->pdc); status = acpi_get_handle(pr->handle, "_PCT", &handle); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/resources/rsaddr.c b/drivers/acpi/resources/rsaddr.c index 4788c079735d..55d264771c48 100644 --- a/drivers/acpi/resources/rsaddr.c +++ b/drivers/acpi/resources/rsaddr.c @@ -77,21 +77,21 @@ acpi_rs_address16_resource ( u8 **output_buffer, acpi_size *structure_size) { - u8 *buffer = byte_stream_buffer; - struct acpi_resource *output_struct = (void *) *output_buffer; - u8 *temp_ptr; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16); u32 index; u16 temp16; u8 temp8; + u8 *temp_ptr; + u8 *buffer = byte_stream_buffer; + struct acpi_resource *output_struct = (void *) *output_buffer; + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_address16); ACPI_FUNCTION_TRACE ("rs_address16_resource"); - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -104,9 +104,8 @@ acpi_rs_address16_resource ( *bytes_consumed = temp16 + 3; output_struct->id = ACPI_RSTYPE_ADDRESS16; - /* - * Get the Resource Type (Byte3) - */ + /* Get the Resource Type (Byte3) */ + buffer += 2; temp8 = *buffer; @@ -118,9 +117,8 @@ acpi_rs_address16_resource ( output_struct->data.address16.resource_type = temp8; - /* - * Get the General Flags (Byte4) - */ + /* Get the General Flags (Byte4) */ + buffer += 1; temp8 = *buffer; @@ -140,9 +138,8 @@ acpi_rs_address16_resource ( output_struct->data.address16.max_address_fixed = (temp8 >> 3) & 0x01; - /* - * Get the Type Specific Flags (Byte5) - */ + /* Get the Type Specific Flags (Byte5) */ + buffer += 1; temp8 = *buffer; @@ -165,39 +162,34 @@ acpi_rs_address16_resource ( } } - /* - * Get Granularity (Bytes 6-7) - */ + /* Get Granularity (Bytes 6-7) */ + buffer += 1; ACPI_MOVE_16_TO_32 (&output_struct->data.address16.granularity, buffer); - /* - * Get min_address_range (Bytes 8-9) - */ + /* Get min_address_range (Bytes 8-9) */ + buffer += 2; ACPI_MOVE_16_TO_32 (&output_struct->data.address16.min_address_range, buffer); - /* - * Get max_address_range (Bytes 10-11) - */ + /* Get max_address_range (Bytes 10-11) */ + buffer += 2; ACPI_MOVE_16_TO_32 (&output_struct->data.address16.max_address_range, buffer); - /* - * Get address_translation_offset (Bytes 12-13) - */ + /* Get address_translation_offset (Bytes 12-13) */ + buffer += 2; - ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_translation_offset, buffer); + ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_translation_offset, + buffer); + + /* Get address_length (Bytes 14-15) */ - /* - * Get address_length (Bytes 14-15) - */ buffer += 2; ACPI_MOVE_16_TO_32 (&output_struct->data.address16.address_length, buffer); - /* - * Resource Source Index (if present) - */ + /* Resource Source Index (if present) */ + buffer += 2; /* @@ -225,7 +217,8 @@ acpi_rs_address16_resource ( output_struct->data.address16.resource_source.string_ptr = (char *)((u8 * )output_struct + struct_size); - temp_ptr = (u8 *) output_struct->data.address16.resource_source.string_ptr; + temp_ptr = (u8 *) + output_struct->data.address16.resource_source.string_ptr; /* Copy the string into the buffer */ @@ -239,9 +232,8 @@ acpi_rs_address16_resource ( index += 1; } - /* - * Add the terminating null - */ + /* Add the terminating null */ + *temp_ptr = 0x00; output_struct->data.address16.resource_source.string_length = index + 1; @@ -260,14 +252,12 @@ acpi_rs_address16_resource ( output_struct->data.address16.resource_source.string_ptr = NULL; } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -305,28 +295,24 @@ acpi_rs_address16_stream ( ACPI_FUNCTION_TRACE ("rs_address16_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x88; buffer += 1; - /* - * Save a pointer to the Length field - to be filled in later - */ + /* Save a pointer to the Length field - to be filled in later */ + length_field = buffer; buffer += 2; - /* - * Set the Resource Type (Memory, Io, bus_number) - */ + /* Set the Resource Type (Memory, Io, bus_number) */ + temp8 = (u8) (linked_list->data.address16.resource_type & 0x03); *buffer = temp8; buffer += 1; - /* - * Set the general flags - */ + /* Set the general flags */ + temp8 = (u8) (linked_list->data.address16.producer_consumer & 0x01); temp8 |= (linked_list->data.address16.decode & 0x01) << 1; @@ -336,9 +322,8 @@ acpi_rs_address16_stream ( *buffer = temp8; buffer += 1; - /* - * Set the type specific flags - */ + /* Set the type specific flags */ + temp8 = 0; if (ACPI_MEMORY_RANGE == linked_list->data.address16.resource_type) { @@ -362,39 +347,34 @@ acpi_rs_address16_stream ( *buffer = temp8; buffer += 1; - /* - * Set the address space granularity - */ + /* Set the address space granularity */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.granularity); buffer += 2; - /* - * Set the address range minimum - */ + /* Set the address range minimum */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.min_address_range); buffer += 2; - /* - * Set the address range maximum - */ + /* Set the address range maximum */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.max_address_range); buffer += 2; - /* - * Set the address translation offset - */ - ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_translation_offset); + /* Set the address translation offset */ + + ACPI_MOVE_32_TO_16 (buffer, + &linked_list->data.address16.address_translation_offset); buffer += 2; - /* - * Set the address length - */ + /* Set the address length */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.address16.address_length); buffer += 2; - /* - * Resource Source Index and Resource Source are optional - */ + /* Resource Source Index and Resource Source are optional */ + if (0 != linked_list->data.address16.resource_source.string_length) { temp8 = (u8) linked_list->data.address16.resource_source.index; @@ -403,9 +383,8 @@ acpi_rs_address16_stream ( temp_pointer = (char *) buffer; - /* - * Copy the string - */ + /* Copy the string */ + ACPI_STRCPY (temp_pointer, linked_list->data.address16.resource_source.string_ptr); @@ -413,12 +392,12 @@ acpi_rs_address16_stream ( * Buffer needs to be set to the length of the sting + one for the * terminating null */ - buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address16.resource_source.string_ptr) + 1); + buffer += (acpi_size)(ACPI_STRLEN ( + linked_list->data.address16.resource_source.string_ptr) + 1); } - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + actual_bytes = ACPI_PTR_DIFF (buffer, *output_buffer); *bytes_consumed = actual_bytes; @@ -475,9 +454,8 @@ acpi_rs_address32_resource ( buffer = byte_stream_buffer; struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32); - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -490,9 +468,8 @@ acpi_rs_address32_resource ( *bytes_consumed = temp16 + 3; output_struct->id = ACPI_RSTYPE_ADDRESS32; - /* - * Get the Resource Type (Byte3) - */ + /* Get the Resource Type (Byte3) */ + buffer += 2; temp8 = *buffer; @@ -504,35 +481,29 @@ acpi_rs_address32_resource ( output_struct->data.address32.resource_type = temp8; - /* - * Get the General Flags (Byte4) - */ + /* Get the General Flags (Byte4) */ + buffer += 1; temp8 = *buffer; - /* - * Producer / Consumer - */ + /* Producer / Consumer */ + output_struct->data.address32.producer_consumer = temp8 & 0x01; - /* - * Decode - */ + /* Decode */ + output_struct->data.address32.decode = (temp8 >> 1) & 0x01; - /* - * Min Address Fixed - */ + /* Min Address Fixed */ + output_struct->data.address32.min_address_fixed = (temp8 >> 2) & 0x01; - /* - * Max Address Fixed - */ + /* Max Address Fixed */ + output_struct->data.address32.max_address_fixed = (temp8 >> 3) & 0x01; - /* - * Get the Type Specific Flags (Byte5) - */ + /* Get the Type Specific Flags (Byte5) */ + buffer += 1; temp8 = *buffer; @@ -556,39 +527,34 @@ acpi_rs_address32_resource ( } } - /* - * Get Granularity (Bytes 6-9) - */ + /* Get Granularity (Bytes 6-9) */ + buffer += 1; ACPI_MOVE_32_TO_32 (&output_struct->data.address32.granularity, buffer); - /* - * Get min_address_range (Bytes 10-13) - */ + /* Get min_address_range (Bytes 10-13) */ + buffer += 4; ACPI_MOVE_32_TO_32 (&output_struct->data.address32.min_address_range, buffer); - /* - * Get max_address_range (Bytes 14-17) - */ + /* Get max_address_range (Bytes 14-17) */ + buffer += 4; ACPI_MOVE_32_TO_32 (&output_struct->data.address32.max_address_range, buffer); - /* - * Get address_translation_offset (Bytes 18-21) - */ + /* Get address_translation_offset (Bytes 18-21) */ + buffer += 4; - ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_translation_offset, buffer); + ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_translation_offset, + buffer); + + /* Get address_length (Bytes 22-25) */ - /* - * Get address_length (Bytes 22-25) - */ buffer += 4; ACPI_MOVE_32_TO_32 (&output_struct->data.address32.address_length, buffer); - /* - * Resource Source Index (if present) - */ + /* Resource Source Index (if present) */ + buffer += 4; /* @@ -615,7 +581,8 @@ acpi_rs_address32_resource ( output_struct->data.address32.resource_source.string_ptr = (char *)((u8 *)output_struct + struct_size); - temp_ptr = (u8 *) output_struct->data.address32.resource_source.string_ptr; + temp_ptr = (u8 *) + output_struct->data.address32.resource_source.string_ptr; /* Copy the string into the buffer */ @@ -628,9 +595,8 @@ acpi_rs_address32_resource ( index += 1; } - /* - * Add the terminating null - */ + /* Add the terminating null */ + *temp_ptr = 0x00; output_struct->data.address32.resource_source.string_length = index + 1; @@ -648,14 +614,12 @@ acpi_rs_address32_resource ( output_struct->data.address32.resource_source.string_ptr = NULL; } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -694,29 +658,25 @@ acpi_rs_address32_stream ( buffer = *output_buffer; - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x87; buffer += 1; - /* - * Set a pointer to the Length field - to be filled in later - */ + /* Set a pointer to the Length field - to be filled in later */ + length_field = ACPI_CAST_PTR (u16, buffer); buffer += 2; - /* - * Set the Resource Type (Memory, Io, bus_number) - */ + /* Set the Resource Type (Memory, Io, bus_number) */ + temp8 = (u8) (linked_list->data.address32.resource_type & 0x03); *buffer = temp8; buffer += 1; - /* - * Set the general flags - */ + /* Set the general flags */ + temp8 = (u8) (linked_list->data.address32.producer_consumer & 0x01); temp8 |= (linked_list->data.address32.decode & 0x01) << 1; temp8 |= (linked_list->data.address32.min_address_fixed & 0x01) << 2; @@ -725,9 +685,8 @@ acpi_rs_address32_stream ( *buffer = temp8; buffer += 1; - /* - * Set the type specific flags - */ + /* Set the type specific flags */ + temp8 = 0; if (ACPI_MEMORY_RANGE == linked_list->data.address32.resource_type) { @@ -751,39 +710,34 @@ acpi_rs_address32_stream ( *buffer = temp8; buffer += 1; - /* - * Set the address space granularity - */ + /* Set the address space granularity */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.granularity); buffer += 4; - /* - * Set the address range minimum - */ + /* Set the address range minimum */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.min_address_range); buffer += 4; - /* - * Set the address range maximum - */ + /* Set the address range maximum */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.max_address_range); buffer += 4; - /* - * Set the address translation offset - */ - ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_translation_offset); + /* Set the address translation offset */ + + ACPI_MOVE_32_TO_32 (buffer, + &linked_list->data.address32.address_translation_offset); buffer += 4; - /* - * Set the address length - */ + /* Set the address length */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.address32.address_length); buffer += 4; - /* - * Resource Source Index and Resource Source are optional - */ + /* Resource Source Index and Resource Source are optional */ + if (0 != linked_list->data.address32.resource_source.string_length) { temp8 = (u8) linked_list->data.address32.resource_source.index; @@ -792,9 +746,8 @@ acpi_rs_address32_stream ( temp_pointer = (char *) buffer; - /* - * Copy the string - */ + /* Copy the string */ + ACPI_STRCPY (temp_pointer, linked_list->data.address32.resource_source.string_ptr); @@ -802,12 +755,12 @@ acpi_rs_address32_stream ( * Buffer needs to be set to the length of the sting + one for the * terminating null */ - buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address32.resource_source.string_ptr) + 1); + buffer += (acpi_size)(ACPI_STRLEN ( + linked_list->data.address32.resource_source.string_ptr) + 1); } - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); /* @@ -864,9 +817,8 @@ acpi_rs_address64_resource ( struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64); resource_type = *buffer; - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -879,9 +831,8 @@ acpi_rs_address64_resource ( *bytes_consumed = temp16 + 3; output_struct->id = ACPI_RSTYPE_ADDRESS64; - /* - * Get the Resource Type (Byte3) - */ + /* Get the Resource Type (Byte3) */ + buffer += 2; temp8 = *buffer; @@ -893,35 +844,29 @@ acpi_rs_address64_resource ( output_struct->data.address64.resource_type = temp8; - /* - * Get the General Flags (Byte4) - */ + /* Get the General Flags (Byte4) */ + buffer += 1; temp8 = *buffer; - /* - * Producer / Consumer - */ + /* Producer / Consumer */ + output_struct->data.address64.producer_consumer = temp8 & 0x01; - /* - * Decode - */ + /* Decode */ + output_struct->data.address64.decode = (temp8 >> 1) & 0x01; - /* - * Min Address Fixed - */ + /* Min Address Fixed */ + output_struct->data.address64.min_address_fixed = (temp8 >> 2) & 0x01; - /* - * Max Address Fixed - */ + /* Max Address Fixed */ + output_struct->data.address64.max_address_fixed = (temp8 >> 3) & 0x01; - /* - * Get the Type Specific Flags (Byte5) - */ + /* Get the Type Specific Flags (Byte5) */ + buffer += 1; temp8 = *buffer; @@ -951,33 +896,29 @@ acpi_rs_address64_resource ( buffer += 2; } - /* - * Get Granularity (Bytes 6-13) or (Bytes 8-15) - */ + /* Get Granularity (Bytes 6-13) or (Bytes 8-15) */ + buffer += 1; ACPI_MOVE_64_TO_64 (&output_struct->data.address64.granularity, buffer); - /* - * Get min_address_range (Bytes 14-21) or (Bytes 16-23) - */ + /* Get min_address_range (Bytes 14-21) or (Bytes 16-23) */ + buffer += 8; ACPI_MOVE_64_TO_64 (&output_struct->data.address64.min_address_range, buffer); - /* - * Get max_address_range (Bytes 22-29) or (Bytes 24-31) - */ + /* Get max_address_range (Bytes 22-29) or (Bytes 24-31) */ + buffer += 8; ACPI_MOVE_64_TO_64 (&output_struct->data.address64.max_address_range, buffer); - /* - * Get address_translation_offset (Bytes 30-37) or (Bytes 32-39) - */ + /* Get address_translation_offset (Bytes 30-37) or (Bytes 32-39) */ + buffer += 8; - ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_translation_offset, buffer); + ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_translation_offset, + buffer); + + /* Get address_length (Bytes 38-45) or (Bytes 40-47) */ - /* - * Get address_length (Bytes 38-45) or (Bytes 40-47) - */ buffer += 8; ACPI_MOVE_64_TO_64 (&output_struct->data.address64.address_length, buffer); @@ -989,14 +930,15 @@ acpi_rs_address64_resource ( /* Get type_specific_attribute (Bytes 48-55) */ buffer += 8; - ACPI_MOVE_64_TO_64 (&output_struct->data.address64.type_specific_attributes, buffer); + ACPI_MOVE_64_TO_64 ( + &output_struct->data.address64.type_specific_attributes, + buffer); } else { output_struct->data.address64.type_specific_attributes = 0; - /* - * Resource Source Index (if present) - */ + /* Resource Source Index (if present) */ + buffer += 8; /* @@ -1025,7 +967,8 @@ acpi_rs_address64_resource ( output_struct->data.address64.resource_source.string_ptr = (char *)((u8 *)output_struct + struct_size); - temp_ptr = (u8 *) output_struct->data.address64.resource_source.string_ptr; + temp_ptr = (u8 *) + output_struct->data.address64.resource_source.string_ptr; /* Copy the string into the buffer */ @@ -1042,7 +985,8 @@ acpi_rs_address64_resource ( * Add the terminating null */ *temp_ptr = 0x00; - output_struct->data.address64.resource_source.string_length = index + 1; + output_struct->data.address64.resource_source.string_length = + index + 1; /* * In order for the struct_size to fall on a 32-bit boundary, @@ -1054,14 +998,12 @@ acpi_rs_address64_resource ( } } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -1100,29 +1042,25 @@ acpi_rs_address64_stream ( buffer = *output_buffer; - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x8A; buffer += 1; - /* - * Set a pointer to the Length field - to be filled in later - */ + /* Set a pointer to the Length field - to be filled in later */ + length_field = ACPI_CAST_PTR (u16, buffer); buffer += 2; - /* - * Set the Resource Type (Memory, Io, bus_number) - */ + /* Set the Resource Type (Memory, Io, bus_number) */ + temp8 = (u8) (linked_list->data.address64.resource_type & 0x03); *buffer = temp8; buffer += 1; - /* - * Set the general flags - */ + /* Set the general flags */ + temp8 = (u8) (linked_list->data.address64.producer_consumer & 0x01); temp8 |= (linked_list->data.address64.decode & 0x01) << 1; temp8 |= (linked_list->data.address64.min_address_fixed & 0x01) << 2; @@ -1131,9 +1069,8 @@ acpi_rs_address64_stream ( *buffer = temp8; buffer += 1; - /* - * Set the type specific flags - */ + /* Set the type specific flags */ + temp8 = 0; if (ACPI_MEMORY_RANGE == linked_list->data.address64.resource_type) { @@ -1157,39 +1094,34 @@ acpi_rs_address64_stream ( *buffer = temp8; buffer += 1; - /* - * Set the address space granularity - */ + /* Set the address space granularity */ + ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.granularity); buffer += 8; - /* - * Set the address range minimum - */ + /* Set the address range minimum */ + ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.min_address_range); buffer += 8; - /* - * Set the address range maximum - */ + /* Set the address range maximum */ + ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.max_address_range); buffer += 8; - /* - * Set the address translation offset - */ - ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_translation_offset); + /* Set the address translation offset */ + + ACPI_MOVE_64_TO_64 (buffer, + &linked_list->data.address64.address_translation_offset); buffer += 8; - /* - * Set the address length - */ + /* Set the address length */ + ACPI_MOVE_64_TO_64 (buffer, &linked_list->data.address64.address_length); buffer += 8; - /* - * Resource Source Index and Resource Source are optional - */ + /* Resource Source Index and Resource Source are optional */ + if (0 != linked_list->data.address64.resource_source.string_length) { temp8 = (u8) linked_list->data.address64.resource_source.index; @@ -1198,21 +1130,21 @@ acpi_rs_address64_stream ( temp_pointer = (char *) buffer; - /* - * Copy the string - */ - ACPI_STRCPY (temp_pointer, linked_list->data.address64.resource_source.string_ptr); + /* Copy the string */ + + ACPI_STRCPY (temp_pointer, + linked_list->data.address64.resource_source.string_ptr); /* * Buffer needs to be set to the length of the sting + one for the * terminating null */ - buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.address64.resource_source.string_ptr) + 1); + buffer += (acpi_size)(ACPI_STRLEN ( + linked_list->data.address64.resource_source.string_ptr) + 1); } - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); /* diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index 8a5f0a52371d..98176f2fcb5d 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -81,9 +81,8 @@ acpi_rs_get_byte_stream_length ( while (!done) { - /* - * Init the variable that will hold the size to add to the total. - */ + /* Init the variable that will hold the size to add to the total. */ + segment_size = 0; switch (linked_list->id) { @@ -196,7 +195,8 @@ acpi_rs_get_byte_stream_length ( segment_size = 16; if (linked_list->data.address16.resource_source.string_ptr) { - segment_size += linked_list->data.address16.resource_source.string_length; + segment_size += + linked_list->data.address16.resource_source.string_length; segment_size++; } break; @@ -212,7 +212,8 @@ acpi_rs_get_byte_stream_length ( segment_size = 26; if (linked_list->data.address32.resource_source.string_ptr) { - segment_size += linked_list->data.address32.resource_source.string_length; + segment_size += + linked_list->data.address32.resource_source.string_length; segment_size++; } break; @@ -227,7 +228,8 @@ acpi_rs_get_byte_stream_length ( segment_size = 46; if (linked_list->data.address64.resource_source.string_ptr) { - segment_size += linked_list->data.address64.resource_source.string_length; + segment_size += + linked_list->data.address64.resource_source.string_length; segment_size++; } break; @@ -241,38 +243,36 @@ acpi_rs_get_byte_stream_length ( * Index + the length of the null terminated string * Resource Source + 1 for the null. */ - segment_size = 9 + - (((acpi_size) linked_list->data.extended_irq.number_of_interrupts - 1) * 4); + segment_size = 9 + (((acpi_size) + linked_list->data.extended_irq.number_of_interrupts - 1) * 4); if (linked_list->data.extended_irq.resource_source.string_ptr) { - segment_size += linked_list->data.extended_irq.resource_source.string_length; + segment_size += + linked_list->data.extended_irq.resource_source.string_length; segment_size++; } break; default: - /* - * If we get here, everything is out of sync, exit with error - */ + + /* If we get here, everything is out of sync, exit with error */ + return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); } /* switch (linked_list->Id) */ - /* - * Update the total - */ + /* Update the total */ + byte_stream_size_needed += segment_size; - /* - * Point to the next object - */ + /* Point to the next object */ + linked_list = ACPI_PTR_ADD (struct acpi_resource, linked_list, linked_list->length); } - /* - * This is the data the caller needs - */ + /* This is the data the caller needs */ + *size_needed = byte_stream_size_needed; return_ACPI_STATUS (AE_OK); } @@ -320,9 +320,8 @@ acpi_rs_get_list_length ( while (bytes_parsed < byte_stream_buffer_length) { - /* - * The next byte in the stream is the resource type - */ + /* The next byte in the stream is the resource type */ + resource_type = acpi_rs_get_resource_type (*byte_stream_buffer); switch (resource_type) { @@ -346,9 +345,8 @@ acpi_rs_get_list_length ( ACPI_MOVE_16_TO_16 (&temp16, buffer); bytes_consumed = temp16 + 3; - /* - * Ensure a 32-bit boundary for the structure - */ + /* Ensure a 32-bit boundary for the structure */ + temp16 = (u16) ACPI_ROUND_UP_to_32_bITS (temp16); structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) + @@ -416,9 +414,8 @@ acpi_rs_get_list_length ( temp8 = 0; } - /* - * Ensure a 64-bit boundary for the structure - */ + /* Ensure a 64-bit boundary for the structure */ + temp8 = (u8) ACPI_ROUND_UP_to_64_bITS (temp8); structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64) + @@ -452,9 +449,8 @@ acpi_rs_get_list_length ( temp8 = 0; } - /* - * Ensure a 32-bit boundary for the structure - */ + /* Ensure a 32-bit boundary for the structure */ + temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8); structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32) + @@ -488,9 +484,8 @@ acpi_rs_get_list_length ( temp8 = 0; } - /* - * Ensure a 32-bit boundary for the structure - */ + /* Ensure a 32-bit boundary for the structure */ + temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8); structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16) + @@ -537,9 +532,8 @@ acpi_rs_get_list_length ( temp8 = 0; } - /* - * Ensure a 32-bit boundary for the structure - */ + /* Ensure a 32-bit boundary for the structure */ + temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8); structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_ext_irq) + @@ -567,9 +561,8 @@ acpi_rs_get_list_length ( ++buffer; - /* - * Look at the number of bits set - */ + /* Look at the number of bits set */ + ACPI_MOVE_16_TO_16 (&temp16, buffer); for (index = 0; index < 16; index++) { @@ -596,9 +589,8 @@ acpi_rs_get_list_length ( ++buffer; - /* - * Look at the number of bits set - */ + /* Look at the number of bits set */ + temp8 = *buffer; for(index = 0; index < 8; index++) { @@ -670,9 +662,8 @@ acpi_rs_get_list_length ( temp8 = (u8) (temp8 & 0x7); bytes_consumed = temp8 + 1; - /* - * Ensure a 32-bit boundary for the structure - */ + /* Ensure a 32-bit boundary for the structure */ + temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8); structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) + (temp8 * sizeof (u8)); @@ -697,21 +688,18 @@ acpi_rs_get_list_length ( return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); } - /* - * Update the return value and counter - */ + /* Update the return value and counter */ + buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE (structure_size); bytes_parsed += bytes_consumed; - /* - * Set the byte stream to point to the next resource - */ + /* Set the byte stream to point to the next resource */ + byte_stream_buffer += bytes_consumed; } - /* - * This is the data the caller needs - */ + /* This is the data the caller needs */ + *size_needed = buffer_size; return_ACPI_STATUS (AE_OK); } @@ -767,9 +755,8 @@ acpi_rs_get_pci_routing_table_length ( top_object_list = package_object->package.elements; for (index = 0; index < number_of_elements; index++) { - /* - * Dereference the sub-package - */ + /* Dereference the sub-package */ + package_element = *top_object_list; /* @@ -778,37 +765,40 @@ acpi_rs_get_pci_routing_table_length ( */ sub_object_list = package_element->package.elements; - /* - * Scan the irq_table_elements for the Source Name String - */ + /* Scan the irq_table_elements for the Source Name String */ + name_found = FALSE; for (table_index = 0; table_index < 4 && !name_found; table_index++) { - if ((ACPI_TYPE_STRING == ACPI_GET_OBJECT_TYPE (*sub_object_list)) || - ((ACPI_TYPE_LOCAL_REFERENCE == ACPI_GET_OBJECT_TYPE (*sub_object_list)) && - ((*sub_object_list)->reference.opcode == AML_INT_NAMEPATH_OP))) { + if ((ACPI_TYPE_STRING == + ACPI_GET_OBJECT_TYPE (*sub_object_list)) || + + ((ACPI_TYPE_LOCAL_REFERENCE == + ACPI_GET_OBJECT_TYPE (*sub_object_list)) && + + ((*sub_object_list)->reference.opcode == + AML_INT_NAMEPATH_OP))) { name_found = TRUE; } else { - /* - * Look at the next element - */ + /* Look at the next element */ + sub_object_list++; } } temp_size_needed += (sizeof (struct acpi_pci_routing_table) - 4); - /* - * Was a String type found? - */ + /* Was a String type found? */ + if (name_found) { if (ACPI_GET_OBJECT_TYPE (*sub_object_list) == ACPI_TYPE_STRING) { /* * The length String.Length field does not include the * terminating NULL, add 1 */ - temp_size_needed += ((acpi_size) (*sub_object_list)->string.length + 1); + temp_size_needed += ((acpi_size) + (*sub_object_list)->string.length + 1); } else { temp_size_needed += acpi_ns_get_pathname_length ( @@ -827,14 +817,14 @@ acpi_rs_get_pci_routing_table_length ( temp_size_needed = ACPI_ROUND_UP_to_64_bITS (temp_size_needed); - /* - * Point to the next union acpi_operand_object - */ + /* Point to the next union acpi_operand_object */ + top_object_list++; } /* - * Adding an extra element to the end of the list, essentially a NULL terminator + * Adding an extra element to the end of the list, essentially a + * NULL terminator */ *buffer_size_needed = temp_size_needed + sizeof (struct acpi_pci_routing_table); return_ACPI_STATUS (AE_OK); diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c index a3a0cbfda68d..8e0eae0d50bb 100644 --- a/drivers/acpi/resources/rscreate.c +++ b/drivers/acpi/resources/rscreate.c @@ -87,9 +87,8 @@ acpi_rs_create_resource_list ( ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "byte_stream_buffer = %p\n", byte_stream_buffer)); - /* - * Params already validated, so we don't re-validate here - */ + /* Params already validated, so we don't re-validate here */ + byte_stream_buffer_length = byte_stream_buffer->buffer.length; byte_stream_start = byte_stream_buffer->buffer.pointer; @@ -171,9 +170,8 @@ acpi_rs_create_pci_routing_table ( /* Params already validated, so we don't re-validate here */ - /* - * Get the required buffer length - */ + /* Get the required buffer length */ + status = acpi_rs_get_pci_routing_table_length (package_object, &buffer_size_needed); if (ACPI_FAILURE (status)) { @@ -217,9 +215,8 @@ acpi_rs_create_pci_routing_table ( */ user_prt->length = (sizeof (struct acpi_pci_routing_table) - 4); - /* - * Each element of the top-level package must also be a package - */ + /* Each element of the top-level package must also be a package */ + if (ACPI_GET_OBJECT_TYPE (*top_object_list) != ACPI_TYPE_PACKAGE) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(PRT[%X]) Need sub-package, found %s\n", @@ -243,9 +240,8 @@ acpi_rs_create_pci_routing_table ( */ sub_object_list = (*top_object_list)->package.elements; - /* - * 1) First subobject: Dereference the PRT.Address - */ + /* 1) First subobject: Dereference the PRT.Address */ + obj_desc = sub_object_list[0]; if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { user_prt->address = obj_desc->integer.value; @@ -257,9 +253,8 @@ acpi_rs_create_pci_routing_table ( return_ACPI_STATUS (AE_BAD_DATA); } - /* - * 2) Second subobject: Dereference the PRT.Pin - */ + /* 2) Second subobject: Dereference the PRT.Pin */ + obj_desc = sub_object_list[1]; if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { user_prt->pin = (u32) obj_desc->integer.value; @@ -271,9 +266,8 @@ acpi_rs_create_pci_routing_table ( return_ACPI_STATUS (AE_BAD_DATA); } - /* - * 3) Third subobject: Dereference the PRT.source_name - */ + /* 3) Third subobject: Dereference the PRT.source_name */ + obj_desc = sub_object_list[2]; switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { case ACPI_TYPE_LOCAL_REFERENCE: @@ -296,7 +290,9 @@ acpi_rs_create_pci_routing_table ( status = acpi_ns_handle_to_pathname ((acpi_handle) node, &path_buffer); - user_prt->length += (u32) ACPI_STRLEN (user_prt->source) + 1; /* include null terminator */ + /* +1 to include null terminator */ + + user_prt->length += (u32) ACPI_STRLEN (user_prt->source) + 1; break; @@ -304,8 +300,10 @@ acpi_rs_create_pci_routing_table ( ACPI_STRCPY (user_prt->source, obj_desc->string.pointer); - /* Add to the Length field the length of the string (add 1 for terminator) */ - + /* + * Add to the Length field the length of the string + * (add 1 for terminator) + */ user_prt->length += obj_desc->string.length + 1; break; @@ -333,9 +331,8 @@ acpi_rs_create_pci_routing_table ( user_prt->length = (u32) ACPI_ROUND_UP_to_64_bITS (user_prt->length); - /* - * 4) Fourth subobject: Dereference the PRT.source_index - */ + /* 4) Fourth subobject: Dereference the PRT.source_index */ + obj_desc = sub_object_list[3]; if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { user_prt->source_index = (u32) obj_desc->integer.value; diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c index eef1b1f2c685..1935dab2ab51 100644 --- a/drivers/acpi/resources/rsdump.c +++ b/drivers/acpi/resources/rsdump.c @@ -48,9 +48,62 @@ #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME ("rsdump") +/* Local prototypes */ -#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) +static void +acpi_rs_dump_irq ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_address16 ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_address32 ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_address64 ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_dma ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_io ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_extended_irq ( + union acpi_resource_data *data); +static void +acpi_rs_dump_fixed_io ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_fixed_memory32 ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_memory24 ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_memory32 ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_start_depend_fns ( + union acpi_resource_data *data); + +static void +acpi_rs_dump_vendor_specific ( + union acpi_resource_data *data); + + +#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) /******************************************************************************* * * FUNCTION: acpi_rs_dump_irq @@ -63,7 +116,7 @@ * ******************************************************************************/ -void +static void acpi_rs_dump_irq ( union acpi_resource_data *data) { @@ -77,13 +130,13 @@ acpi_rs_dump_irq ( acpi_os_printf ("IRQ Resource\n"); acpi_os_printf (" %s Triggered\n", - ACPI_LEVEL_SENSITIVE == irq_data->edge_level ? "Level" : "Edge"); + ACPI_LEVEL_SENSITIVE == irq_data->edge_level ? "Level" : "Edge"); acpi_os_printf (" Active %s\n", - ACPI_ACTIVE_LOW == irq_data->active_high_low ? "Low" : "High"); + ACPI_ACTIVE_LOW == irq_data->active_high_low ? "Low" : "High"); acpi_os_printf (" %s\n", - ACPI_SHARED == irq_data->shared_exclusive ? "Shared" : "Exclusive"); + ACPI_SHARED == irq_data->shared_exclusive ? "Shared" : "Exclusive"); acpi_os_printf (" %X Interrupts ( ", irq_data->number_of_interrupts); @@ -108,7 +161,7 @@ acpi_rs_dump_irq ( * ******************************************************************************/ -void +static void acpi_rs_dump_dma ( union acpi_resource_data *data) { @@ -144,7 +197,7 @@ acpi_rs_dump_dma ( } acpi_os_printf (" %sBus Master\n", - ACPI_BUS_MASTER == dma_data->bus_master ? "" : "Not a "); + ACPI_BUS_MASTER == dma_data->bus_master ? "" : "Not a "); switch (dma_data->transfer) { @@ -165,7 +218,8 @@ acpi_rs_dump_dma ( break; } - acpi_os_printf (" Number of Channels: %X ( ", dma_data->number_of_channels); + acpi_os_printf (" Number of Channels: %X ( ", + dma_data->number_of_channels); for (index = 0; index < dma_data->number_of_channels; index++) { acpi_os_printf ("%X ", dma_data->channels[index]); @@ -188,7 +242,7 @@ acpi_rs_dump_dma ( * ******************************************************************************/ -void +static void acpi_rs_dump_start_depend_fns ( union acpi_resource_data *data) { @@ -232,8 +286,7 @@ acpi_rs_dump_start_depend_fns ( break; default: - acpi_os_printf (" Invalid performance " - "robustness preference\n"); + acpi_os_printf (" Invalid performance robustness preference\n"); break; } @@ -253,7 +306,7 @@ acpi_rs_dump_start_depend_fns ( * ******************************************************************************/ -void +static void acpi_rs_dump_io ( union acpi_resource_data *data) { @@ -266,19 +319,15 @@ acpi_rs_dump_io ( acpi_os_printf ("Io Resource\n"); acpi_os_printf (" %d bit decode\n", - ACPI_DECODE_16 == io_data->io_decode ? 16 : 10); + ACPI_DECODE_16 == io_data->io_decode ? 16 : 10); - acpi_os_printf (" Range minimum base: %08X\n", - io_data->min_base_address); + acpi_os_printf (" Range minimum base: %08X\n", io_data->min_base_address); - acpi_os_printf (" Range maximum base: %08X\n", - io_data->max_base_address); + acpi_os_printf (" Range maximum base: %08X\n", io_data->max_base_address); - acpi_os_printf (" Alignment: %08X\n", - io_data->alignment); + acpi_os_printf (" Alignment: %08X\n", io_data->alignment); - acpi_os_printf (" Range Length: %08X\n", - io_data->range_length); + acpi_os_printf (" Range Length: %08X\n", io_data->range_length); return; } @@ -296,7 +345,7 @@ acpi_rs_dump_io ( * ******************************************************************************/ -void +static void acpi_rs_dump_fixed_io ( union acpi_resource_data *data) { @@ -307,11 +356,9 @@ acpi_rs_dump_fixed_io ( acpi_os_printf ("Fixed Io Resource\n"); - acpi_os_printf (" Range base address: %08X", - fixed_io_data->base_address); + acpi_os_printf (" Range base address: %08X", fixed_io_data->base_address); - acpi_os_printf (" Range length: %08X", - fixed_io_data->range_length); + acpi_os_printf (" Range length: %08X", fixed_io_data->range_length); return; } @@ -329,7 +376,7 @@ acpi_rs_dump_fixed_io ( * ******************************************************************************/ -void +static void acpi_rs_dump_vendor_specific ( union acpi_resource_data *data) { @@ -346,7 +393,7 @@ acpi_rs_dump_vendor_specific ( for (index = 0; index < vendor_data->length; index++) { acpi_os_printf (" Byte %X: %08X\n", - index, vendor_data->reserved[index]); + index, vendor_data->reserved[index]); } return; @@ -365,7 +412,7 @@ acpi_rs_dump_vendor_specific ( * ******************************************************************************/ -void +static void acpi_rs_dump_memory24 ( union acpi_resource_data *data) { @@ -378,21 +425,19 @@ acpi_rs_dump_memory24 ( acpi_os_printf ("24-Bit Memory Range Resource\n"); acpi_os_printf (" Read%s\n", - ACPI_READ_WRITE_MEMORY == - memory24_data->read_write_attribute ? - "/Write" : " only"); + ACPI_READ_WRITE_MEMORY == + memory24_data->read_write_attribute ? + "/Write" : " only"); acpi_os_printf (" Range minimum base: %08X\n", - memory24_data->min_base_address); + memory24_data->min_base_address); acpi_os_printf (" Range maximum base: %08X\n", - memory24_data->max_base_address); + memory24_data->max_base_address); - acpi_os_printf (" Alignment: %08X\n", - memory24_data->alignment); + acpi_os_printf (" Alignment: %08X\n", memory24_data->alignment); - acpi_os_printf (" Range length: %08X\n", - memory24_data->range_length); + acpi_os_printf (" Range length: %08X\n", memory24_data->range_length); return; } @@ -410,7 +455,7 @@ acpi_rs_dump_memory24 ( * ******************************************************************************/ -void +static void acpi_rs_dump_memory32 ( union acpi_resource_data *data) { @@ -423,21 +468,19 @@ acpi_rs_dump_memory32 ( acpi_os_printf ("32-Bit Memory Range Resource\n"); acpi_os_printf (" Read%s\n", - ACPI_READ_WRITE_MEMORY == - memory32_data->read_write_attribute ? - "/Write" : " only"); + ACPI_READ_WRITE_MEMORY == + memory32_data->read_write_attribute ? + "/Write" : " only"); acpi_os_printf (" Range minimum base: %08X\n", - memory32_data->min_base_address); + memory32_data->min_base_address); acpi_os_printf (" Range maximum base: %08X\n", - memory32_data->max_base_address); + memory32_data->max_base_address); - acpi_os_printf (" Alignment: %08X\n", - memory32_data->alignment); + acpi_os_printf (" Alignment: %08X\n", memory32_data->alignment); - acpi_os_printf (" Range length: %08X\n", - memory32_data->range_length); + acpi_os_printf (" Range length: %08X\n", memory32_data->range_length); return; } @@ -455,11 +498,12 @@ acpi_rs_dump_memory32 ( * ******************************************************************************/ -void +static void acpi_rs_dump_fixed_memory32 ( union acpi_resource_data *data) { - struct acpi_resource_fixed_mem32 *fixed_memory32_data = (struct acpi_resource_fixed_mem32 *) data; + struct acpi_resource_fixed_mem32 *fixed_memory32_data = + (struct acpi_resource_fixed_mem32 *) data; ACPI_FUNCTION_ENTRY (); @@ -468,15 +512,14 @@ acpi_rs_dump_fixed_memory32 ( acpi_os_printf ("32-Bit Fixed Location Memory Range Resource\n"); acpi_os_printf (" Read%s\n", - ACPI_READ_WRITE_MEMORY == - fixed_memory32_data->read_write_attribute ? - "/Write" : " Only"); + ACPI_READ_WRITE_MEMORY == + fixed_memory32_data->read_write_attribute ? "/Write" : " Only"); acpi_os_printf (" Range base address: %08X\n", - fixed_memory32_data->range_base_address); + fixed_memory32_data->range_base_address); acpi_os_printf (" Range length: %08X\n", - fixed_memory32_data->range_length); + fixed_memory32_data->range_length); return; } @@ -494,7 +537,7 @@ acpi_rs_dump_fixed_memory32 ( * ******************************************************************************/ -void +static void acpi_rs_dump_address16 ( union acpi_resource_data *data) { @@ -514,35 +557,30 @@ acpi_rs_dump_address16 ( switch (address16_data->attribute.memory.cache_attribute) { case ACPI_NON_CACHEABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Noncacheable memory\n"); + acpi_os_printf (" Type Specific: Noncacheable memory\n"); break; case ACPI_CACHABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Cacheable memory\n"); + acpi_os_printf (" Type Specific: Cacheable memory\n"); break; case ACPI_WRITE_COMBINING_MEMORY: - acpi_os_printf (" Type Specific: " - "Write-combining memory\n"); + acpi_os_printf (" Type Specific: Write-combining memory\n"); break; case ACPI_PREFETCHABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Prefetchable memory\n"); + acpi_os_printf (" Type Specific: Prefetchable memory\n"); break; default: - acpi_os_printf (" Type Specific: " - "Invalid cache attribute\n"); + acpi_os_printf (" Type Specific: Invalid cache attribute\n"); break; } acpi_os_printf (" Type Specific: Read%s\n", ACPI_READ_WRITE_MEMORY == - address16_data->attribute.memory.read_write_attribute ? - "/Write" : " Only"); + address16_data->attribute.memory.read_write_attribute ? + "/Write" : " Only"); break; case ACPI_IO_RANGE: @@ -551,30 +589,26 @@ acpi_rs_dump_address16 ( switch (address16_data->attribute.io.range_attribute) { case ACPI_NON_ISA_ONLY_RANGES: - acpi_os_printf (" Type Specific: " - "Non-ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: Non-ISA Io Addresses\n"); break; case ACPI_ISA_ONLY_RANGES: - acpi_os_printf (" Type Specific: " - "ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: ISA Io Addresses\n"); break; case ACPI_ENTIRE_RANGE: - acpi_os_printf (" Type Specific: " - "ISA and non-ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: ISA and non-ISA Io Addresses\n"); break; default: - acpi_os_printf (" Type Specific: " - "Invalid range attribute\n"); + acpi_os_printf (" Type Specific: Invalid range attribute\n"); break; } acpi_os_printf (" Type Specific: %s Translation\n", ACPI_SPARSE_TRANSLATION == - address16_data->attribute.io.translation_attribute ? - "Sparse" : "Dense"); + address16_data->attribute.io.translation_attribute ? + "Sparse" : "Dense"); break; case ACPI_BUS_NUMBER_RANGE: @@ -589,41 +623,42 @@ acpi_rs_dump_address16 ( } acpi_os_printf (" Resource %s\n", - ACPI_CONSUMER == address16_data->producer_consumer ? + ACPI_CONSUMER == address16_data->producer_consumer ? "Consumer" : "Producer"); acpi_os_printf (" %s decode\n", - ACPI_SUB_DECODE == address16_data->decode ? - "Subtractive" : "Positive"); + ACPI_SUB_DECODE == address16_data->decode ? + "Subtractive" : "Positive"); acpi_os_printf (" Min address is %s fixed\n", - ACPI_ADDRESS_FIXED == address16_data->min_address_fixed ? - "" : "not"); + ACPI_ADDRESS_FIXED == address16_data->min_address_fixed ? + "" : "not"); acpi_os_printf (" Max address is %s fixed\n", - ACPI_ADDRESS_FIXED == address16_data->max_address_fixed ? - "" : "not"); + ACPI_ADDRESS_FIXED == address16_data->max_address_fixed ? + "" : "not"); acpi_os_printf (" Granularity: %08X\n", - address16_data->granularity); + address16_data->granularity); acpi_os_printf (" Address range min: %08X\n", - address16_data->min_address_range); + address16_data->min_address_range); acpi_os_printf (" Address range max: %08X\n", - address16_data->max_address_range); + address16_data->max_address_range); acpi_os_printf (" Address translation offset: %08X\n", - address16_data->address_translation_offset); + address16_data->address_translation_offset); acpi_os_printf (" Address Length: %08X\n", - address16_data->address_length); + address16_data->address_length); if (0xFF != address16_data->resource_source.index) { acpi_os_printf (" Resource Source Index: %X\n", - address16_data->resource_source.index); + address16_data->resource_source.index); + acpi_os_printf (" Resource Source: %s\n", - address16_data->resource_source.string_ptr); + address16_data->resource_source.string_ptr); } return; @@ -642,7 +677,7 @@ acpi_rs_dump_address16 ( * ******************************************************************************/ -void +static void acpi_rs_dump_address32 ( union acpi_resource_data *data) { @@ -661,35 +696,30 @@ acpi_rs_dump_address32 ( switch (address32_data->attribute.memory.cache_attribute) { case ACPI_NON_CACHEABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Noncacheable memory\n"); + acpi_os_printf (" Type Specific: Noncacheable memory\n"); break; case ACPI_CACHABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Cacheable memory\n"); + acpi_os_printf (" Type Specific: Cacheable memory\n"); break; case ACPI_WRITE_COMBINING_MEMORY: - acpi_os_printf (" Type Specific: " - "Write-combining memory\n"); + acpi_os_printf (" Type Specific: Write-combining memory\n"); break; case ACPI_PREFETCHABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Prefetchable memory\n"); + acpi_os_printf (" Type Specific: Prefetchable memory\n"); break; default: - acpi_os_printf (" Type Specific: " - "Invalid cache attribute\n"); + acpi_os_printf (" Type Specific: Invalid cache attribute\n"); break; } acpi_os_printf (" Type Specific: Read%s\n", ACPI_READ_WRITE_MEMORY == - address32_data->attribute.memory.read_write_attribute ? - "/Write" : " Only"); + address32_data->attribute.memory.read_write_attribute ? + "/Write" : " Only"); break; case ACPI_IO_RANGE: @@ -698,30 +728,26 @@ acpi_rs_dump_address32 ( switch (address32_data->attribute.io.range_attribute) { case ACPI_NON_ISA_ONLY_RANGES: - acpi_os_printf (" Type Specific: " - "Non-ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: Non-ISA Io Addresses\n"); break; case ACPI_ISA_ONLY_RANGES: - acpi_os_printf (" Type Specific: " - "ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: ISA Io Addresses\n"); break; case ACPI_ENTIRE_RANGE: - acpi_os_printf (" Type Specific: " - "ISA and non-ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: ISA and non-ISA Io Addresses\n"); break; default: - acpi_os_printf (" Type Specific: " - "Invalid Range attribute"); + acpi_os_printf (" Type Specific: Invalid Range attribute"); break; } acpi_os_printf (" Type Specific: %s Translation\n", ACPI_SPARSE_TRANSLATION == - address32_data->attribute.io.translation_attribute ? - "Sparse" : "Dense"); + address32_data->attribute.io.translation_attribute ? + "Sparse" : "Dense"); break; case ACPI_BUS_NUMBER_RANGE: @@ -731,46 +757,48 @@ acpi_rs_dump_address32 ( default: - acpi_os_printf (" Resource Type: 0x%2.2X\n", address32_data->resource_type); + acpi_os_printf (" Resource Type: 0x%2.2X\n", + address32_data->resource_type); break; } acpi_os_printf (" Resource %s\n", - ACPI_CONSUMER == address32_data->producer_consumer ? - "Consumer" : "Producer"); + ACPI_CONSUMER == address32_data->producer_consumer ? + "Consumer" : "Producer"); acpi_os_printf (" %s decode\n", - ACPI_SUB_DECODE == address32_data->decode ? - "Subtractive" : "Positive"); + ACPI_SUB_DECODE == address32_data->decode ? + "Subtractive" : "Positive"); acpi_os_printf (" Min address is %s fixed\n", - ACPI_ADDRESS_FIXED == address32_data->min_address_fixed ? - "" : "not "); + ACPI_ADDRESS_FIXED == address32_data->min_address_fixed ? + "" : "not "); acpi_os_printf (" Max address is %s fixed\n", - ACPI_ADDRESS_FIXED == address32_data->max_address_fixed ? - "" : "not "); + ACPI_ADDRESS_FIXED == address32_data->max_address_fixed ? + "" : "not "); acpi_os_printf (" Granularity: %08X\n", - address32_data->granularity); + address32_data->granularity); acpi_os_printf (" Address range min: %08X\n", - address32_data->min_address_range); + address32_data->min_address_range); acpi_os_printf (" Address range max: %08X\n", - address32_data->max_address_range); + address32_data->max_address_range); acpi_os_printf (" Address translation offset: %08X\n", - address32_data->address_translation_offset); + address32_data->address_translation_offset); acpi_os_printf (" Address Length: %08X\n", - address32_data->address_length); + address32_data->address_length); if(0xFF != address32_data->resource_source.index) { acpi_os_printf (" Resource Source Index: %X\n", - address32_data->resource_source.index); + address32_data->resource_source.index); + acpi_os_printf (" Resource Source: %s\n", - address32_data->resource_source.string_ptr); + address32_data->resource_source.string_ptr); } return; @@ -789,7 +817,7 @@ acpi_rs_dump_address32 ( * ******************************************************************************/ -void +static void acpi_rs_dump_address64 ( union acpi_resource_data *data) { @@ -808,35 +836,30 @@ acpi_rs_dump_address64 ( switch (address64_data->attribute.memory.cache_attribute) { case ACPI_NON_CACHEABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Noncacheable memory\n"); + acpi_os_printf (" Type Specific: Noncacheable memory\n"); break; case ACPI_CACHABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Cacheable memory\n"); + acpi_os_printf (" Type Specific: Cacheable memory\n"); break; case ACPI_WRITE_COMBINING_MEMORY: - acpi_os_printf (" Type Specific: " - "Write-combining memory\n"); + acpi_os_printf (" Type Specific: Write-combining memory\n"); break; case ACPI_PREFETCHABLE_MEMORY: - acpi_os_printf (" Type Specific: " - "Prefetchable memory\n"); + acpi_os_printf (" Type Specific: Prefetchable memory\n"); break; default: - acpi_os_printf (" Type Specific: " - "Invalid cache attribute\n"); + acpi_os_printf (" Type Specific: Invalid cache attribute\n"); break; } acpi_os_printf (" Type Specific: Read%s\n", ACPI_READ_WRITE_MEMORY == - address64_data->attribute.memory.read_write_attribute ? - "/Write" : " Only"); + address64_data->attribute.memory.read_write_attribute ? + "/Write" : " Only"); break; case ACPI_IO_RANGE: @@ -845,30 +868,26 @@ acpi_rs_dump_address64 ( switch (address64_data->attribute.io.range_attribute) { case ACPI_NON_ISA_ONLY_RANGES: - acpi_os_printf (" Type Specific: " - "Non-ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: Non-ISA Io Addresses\n"); break; case ACPI_ISA_ONLY_RANGES: - acpi_os_printf (" Type Specific: " - "ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: ISA Io Addresses\n"); break; case ACPI_ENTIRE_RANGE: - acpi_os_printf (" Type Specific: " - "ISA and non-ISA Io Addresses\n"); + acpi_os_printf (" Type Specific: ISA and non-ISA Io Addresses\n"); break; default: - acpi_os_printf (" Type Specific: " - "Invalid Range attribute"); + acpi_os_printf (" Type Specific: Invalid Range attribute"); break; } acpi_os_printf (" Type Specific: %s Translation\n", ACPI_SPARSE_TRANSLATION == - address64_data->attribute.io.translation_attribute ? - "Sparse" : "Dense"); + address64_data->attribute.io.translation_attribute ? + "Sparse" : "Dense"); break; case ACPI_BUS_NUMBER_RANGE: @@ -878,49 +897,51 @@ acpi_rs_dump_address64 ( default: - acpi_os_printf (" Resource Type: 0x%2.2X\n", address64_data->resource_type); + acpi_os_printf (" Resource Type: 0x%2.2X\n", + address64_data->resource_type); break; } acpi_os_printf (" Resource %s\n", - ACPI_CONSUMER == address64_data->producer_consumer ? - "Consumer" : "Producer"); + ACPI_CONSUMER == address64_data->producer_consumer ? + "Consumer" : "Producer"); acpi_os_printf (" %s decode\n", - ACPI_SUB_DECODE == address64_data->decode ? - "Subtractive" : "Positive"); + ACPI_SUB_DECODE == address64_data->decode ? + "Subtractive" : "Positive"); acpi_os_printf (" Min address is %s fixed\n", - ACPI_ADDRESS_FIXED == address64_data->min_address_fixed ? - "" : "not "); + ACPI_ADDRESS_FIXED == address64_data->min_address_fixed ? + "" : "not "); acpi_os_printf (" Max address is %s fixed\n", - ACPI_ADDRESS_FIXED == address64_data->max_address_fixed ? - "" : "not "); + ACPI_ADDRESS_FIXED == address64_data->max_address_fixed ? + "" : "not "); acpi_os_printf (" Granularity: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (address64_data->granularity)); + ACPI_FORMAT_UINT64 (address64_data->granularity)); acpi_os_printf (" Address range min: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (address64_data->min_address_range)); + ACPI_FORMAT_UINT64 (address64_data->min_address_range)); acpi_os_printf (" Address range max: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (address64_data->max_address_range)); + ACPI_FORMAT_UINT64 (address64_data->max_address_range)); acpi_os_printf (" Address translation offset: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (address64_data->address_translation_offset)); + ACPI_FORMAT_UINT64 (address64_data->address_translation_offset)); acpi_os_printf (" Address Length: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (address64_data->address_length)); + ACPI_FORMAT_UINT64 (address64_data->address_length)); acpi_os_printf (" Type Specific Attributes: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (address64_data->type_specific_attributes)); + ACPI_FORMAT_UINT64 (address64_data->type_specific_attributes)); if (0xFF != address64_data->resource_source.index) { acpi_os_printf (" Resource Source Index: %X\n", - address64_data->resource_source.index); + address64_data->resource_source.index); + acpi_os_printf (" Resource Source: %s\n", - address64_data->resource_source.string_ptr); + address64_data->resource_source.string_ptr); } return; @@ -939,7 +960,7 @@ acpi_rs_dump_address64 ( * ******************************************************************************/ -void +static void acpi_rs_dump_extended_irq ( union acpi_resource_data *data) { @@ -953,23 +974,22 @@ acpi_rs_dump_extended_irq ( acpi_os_printf ("Extended IRQ Resource\n"); acpi_os_printf (" Resource %s\n", - ACPI_CONSUMER == ext_irq_data->producer_consumer ? - "Consumer" : "Producer"); + ACPI_CONSUMER == ext_irq_data->producer_consumer ? + "Consumer" : "Producer"); acpi_os_printf (" %s\n", - ACPI_LEVEL_SENSITIVE == ext_irq_data->edge_level ? - "Level" : "Edge"); + ACPI_LEVEL_SENSITIVE == ext_irq_data->edge_level ? + "Level" : "Edge"); acpi_os_printf (" Active %s\n", - ACPI_ACTIVE_LOW == ext_irq_data->active_high_low ? - "low" : "high"); + ACPI_ACTIVE_LOW == ext_irq_data->active_high_low ? + "low" : "high"); acpi_os_printf (" %s\n", - ACPI_SHARED == ext_irq_data->shared_exclusive ? - "Shared" : "Exclusive"); + ACPI_SHARED == ext_irq_data->shared_exclusive ? + "Shared" : "Exclusive"); - acpi_os_printf (" Interrupts : %X ( ", - ext_irq_data->number_of_interrupts); + acpi_os_printf (" Interrupts : %X ( ", ext_irq_data->number_of_interrupts); for (index = 0; index < ext_irq_data->number_of_interrupts; index++) { acpi_os_printf ("%X ", ext_irq_data->interrupts[index]); @@ -979,9 +999,10 @@ acpi_rs_dump_extended_irq ( if(0xFF != ext_irq_data->resource_source.index) { acpi_os_printf (" Resource Source Index: %X", - ext_irq_data->resource_source.index); + ext_irq_data->resource_source.index); + acpi_os_printf (" Resource Source: %s", - ext_irq_data->resource_source.string_ptr); + ext_irq_data->resource_source.string_ptr); } return; @@ -992,7 +1013,7 @@ acpi_rs_dump_extended_irq ( * * FUNCTION: acpi_rs_dump_resource_list * - * PARAMETERS: Data - pointer to the resource structure to dump. + * PARAMETERS: Resource - pointer to the resource structure to dump. * * RETURN: None * @@ -1096,7 +1117,7 @@ acpi_rs_dump_resource_list ( * * FUNCTION: acpi_rs_dump_irq_list * - * PARAMETERS: Data - pointer to the routing table to dump. + * PARAMETERS: route_table - pointer to the routing table to dump. * * RETURN: None * @@ -1124,20 +1145,17 @@ acpi_rs_dump_irq_list ( acpi_os_printf ("PCI IRQ Routing Table structure %X.\n", count++); acpi_os_printf (" Address: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64 (prt_element->address)); + ACPI_FORMAT_UINT64 (prt_element->address)); acpi_os_printf (" Pin: %X\n", prt_element->pin); acpi_os_printf (" Source: %s\n", prt_element->source); - acpi_os_printf (" source_index: %X\n", - prt_element->source_index); + acpi_os_printf (" source_index: %X\n", prt_element->source_index); buffer += prt_element->length; - prt_element = ACPI_CAST_PTR (struct acpi_pci_routing_table, buffer); - - if(0 == prt_element->length) { + if (0 == prt_element->length) { done = TRUE; } } diff --git a/drivers/acpi/resources/rsio.c b/drivers/acpi/resources/rsio.c index 972c746d37e4..23a4d149fac8 100644 --- a/drivers/acpi/resources/rsio.c +++ b/drivers/acpi/resources/rsio.c @@ -81,67 +81,60 @@ acpi_rs_io_resource ( struct acpi_resource *output_struct = (void *) *output_buffer; u16 temp16 = 0; u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_io); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_io); ACPI_FUNCTION_TRACE ("rs_io_resource"); - /* - * The number of bytes consumed are Constant - */ + /* The number of bytes consumed are Constant */ + *bytes_consumed = 8; output_struct->id = ACPI_RSTYPE_IO; - /* - * Check Decode - */ + /* Check Decode */ + buffer += 1; temp8 = *buffer; output_struct->data.io.io_decode = temp8 & 0x01; - /* - * Check min_base Address - */ + /* Check min_base Address */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); output_struct->data.io.min_base_address = temp16; - /* - * Check max_base Address - */ + /* Check max_base Address */ + buffer += 2; ACPI_MOVE_16_TO_16 (&temp16, buffer); output_struct->data.io.max_base_address = temp16; - /* - * Check Base alignment - */ + /* Check Base alignment */ + buffer += 2; temp8 = *buffer; output_struct->data.io.alignment = temp8; - /* - * Check range_length - */ + /* Check range_length */ + buffer += 1; temp8 = *buffer; output_struct->data.io.range_length = temp8; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -179,43 +172,39 @@ acpi_rs_fixed_io_resource ( struct acpi_resource *output_struct = (void *) *output_buffer; u16 temp16 = 0; u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_fixed_io); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_fixed_io); ACPI_FUNCTION_TRACE ("rs_fixed_io_resource"); - /* - * The number of bytes consumed are Constant - */ + /* The number of bytes consumed are Constant */ + *bytes_consumed = 4; output_struct->id = ACPI_RSTYPE_FIXED_IO; - /* - * Check Range Base Address - */ + /* Check Range Base Address */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); output_struct->data.fixed_io.base_address = temp16; - /* - * Check range_length - */ + /* Check range_length */ + buffer += 2; temp8 = *buffer; output_struct->data.fixed_io.range_length = temp8; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -251,55 +240,48 @@ acpi_rs_io_stream ( ACPI_FUNCTION_TRACE ("rs_io_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x47; buffer += 1; - /* - * Io Information Byte - */ + /* Io Information Byte */ + temp8 = (u8) (linked_list->data.io.io_decode & 0x01); *buffer = temp8; buffer += 1; - /* - * Set the Range minimum base address - */ + /* Set the Range minimum base address */ + temp16 = (u16) linked_list->data.io.min_base_address; ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the Range maximum base address - */ + /* Set the Range maximum base address */ + temp16 = (u16) linked_list->data.io.max_base_address; ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the base alignment - */ + /* Set the base alignment */ + temp8 = (u8) linked_list->data.io.alignment; *buffer = temp8; buffer += 1; - /* - * Set the range length - */ + /* Set the range length */ + temp8 = (u8) linked_list->data.io.range_length; *buffer = temp8; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -335,32 +317,28 @@ acpi_rs_fixed_io_stream ( ACPI_FUNCTION_TRACE ("rs_fixed_io_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x4B; buffer += 1; - /* - * Set the Range base address - */ + /* Set the Range base address */ + temp16 = (u16) linked_list->data.fixed_io.base_address; ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the range length - */ + /* Set the range length */ + temp8 = (u8) linked_list->data.fixed_io.range_length; *buffer = temp8; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -399,21 +377,20 @@ acpi_rs_dma_resource ( u8 temp8 = 0; u8 index; u8 i; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_dma); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_dma); ACPI_FUNCTION_TRACE ("rs_dma_resource"); - /* - * The number of bytes consumed are Constant - */ + /* The number of bytes consumed are Constant */ + *bytes_consumed = 3; output_struct->id = ACPI_RSTYPE_DMA; - /* - * Point to the 8-bits of Byte 1 - */ + /* Point to the 8-bits of Byte 1 */ + buffer += 1; temp8 = *buffer; @@ -430,46 +407,40 @@ acpi_rs_dma_resource ( output_struct->data.dma.number_of_channels = i; if (i > 0) { - /* - * Calculate the structure size based upon the number of interrupts - */ + /* Calculate the structure size based upon the number of interrupts */ + struct_size += ((acpi_size) i - 1) * 4; } - /* - * Point to Byte 2 - */ + /* Point to Byte 2 */ + buffer += 1; temp8 = *buffer; - /* - * Check for transfer preference (Bits[1:0]) - */ + /* Check for transfer preference (Bits[1:0]) */ + output_struct->data.dma.transfer = temp8 & 0x03; if (0x03 == output_struct->data.dma.transfer) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid DMA.Transfer preference (3)\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Invalid DMA.Transfer preference (3)\n")); return_ACPI_STATUS (AE_BAD_DATA); } - /* - * Get bus master preference (Bit[2]) - */ + /* Get bus master preference (Bit[2]) */ + output_struct->data.dma.bus_master = (temp8 >> 2) & 0x01; - /* - * Get channel speed support (Bits[6:5]) - */ + /* Get channel speed support (Bits[6:5]) */ + output_struct->data.dma.type = (temp8 >> 5) & 0x03; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -506,16 +477,14 @@ acpi_rs_dma_stream ( ACPI_FUNCTION_TRACE ("rs_dma_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x2A; buffer += 1; temp8 = 0; - /* - * Loop through all of the Channels and set the mask bits - */ + /* Loop through all of the Channels and set the mask bits */ + for (index = 0; index < linked_list->data.dma.number_of_channels; index++) { @@ -526,9 +495,8 @@ acpi_rs_dma_stream ( *buffer = temp8; buffer += 1; - /* - * Set the DMA Info - */ + /* Set the DMA Info */ + temp8 = (u8) ((linked_list->data.dma.type & 0x03) << 5); temp8 |= ((linked_list->data.dma.bus_master & 0x01) << 2); temp8 |= (linked_list->data.dma.transfer & 0x03); @@ -536,9 +504,8 @@ acpi_rs_dma_stream ( *buffer = temp8; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } diff --git a/drivers/acpi/resources/rsirq.c b/drivers/acpi/resources/rsirq.c index fd07a8702fbe..8a2b630be45b 100644 --- a/drivers/acpi/resources/rsirq.c +++ b/drivers/acpi/resources/rsirq.c @@ -83,7 +83,8 @@ acpi_rs_irq_resource ( u8 temp8 = 0; u8 index; u8 i; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_irq); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_irq); ACPI_FUNCTION_TRACE ("rs_irq_resource"); @@ -91,15 +92,14 @@ acpi_rs_irq_resource ( /* * The number of bytes consumed are contained in the descriptor - * (Bits:0-1) + * (Bits:0-1) */ temp8 = *buffer; *bytes_consumed = (temp8 & 0x03) + 1; output_struct->id = ACPI_RSTYPE_IRQ; - /* - * Point to the 16-bits of Bytes 1 and 2 - */ + /* Point to the 16-bits of Bytes 1 and 2 */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -118,22 +118,19 @@ acpi_rs_irq_resource ( output_struct->data.irq.number_of_interrupts = i; if (i > 0) { - /* - * Calculate the structure size based upon the number of interrupts - */ + /* Calculate the structure size based upon the number of interrupts */ + struct_size += ((acpi_size) i - 1) * 4; } - /* - * Point to Byte 3 if it is used - */ + /* Point to Byte 3 if it is used */ + if (4 == *bytes_consumed) { buffer += 2; temp8 = *buffer; - /* - * Check for HE, LL interrupts - */ + /* Check for HE, LL interrupts */ + switch (temp8 & 0x09) { case 0x01: /* HE */ output_struct->data.irq.edge_level = ACPI_EDGE_SENSITIVE; @@ -152,13 +149,13 @@ acpi_rs_irq_resource ( * so 0x00 and 0x09 are illegal. */ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Invalid interrupt polarity/trigger in resource list, %X\n", temp8)); + "Invalid interrupt polarity/trigger in resource list, %X\n", + temp8)); return_ACPI_STATUS (AE_BAD_DATA); } - /* - * Check for sharable - */ + /* Check for sharable */ + output_struct->data.irq.shared_exclusive = (temp8 >> 3) & 0x01; } else { @@ -171,14 +168,12 @@ acpi_rs_irq_resource ( output_struct->data.irq.shared_exclusive = ACPI_EXCLUSIVE; } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -234,9 +229,8 @@ acpi_rs_irq_stream ( buffer += 1; temp16 = 0; - /* - * Loop through all of the interrupts and set the mask bits - */ + /* Loop through all of the interrupts and set the mask bits */ + for(index = 0; index < linked_list->data.irq.number_of_interrupts; index++) { @@ -247,9 +241,8 @@ acpi_rs_irq_stream ( ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the IRQ Info byte if needed. - */ + /* Set the IRQ Info byte if needed. */ + if (IRqinfo_byte_needed) { temp8 = 0; temp8 = (u8) ((linked_list->data.irq.shared_exclusive & @@ -267,9 +260,8 @@ acpi_rs_irq_stream ( buffer += 1; } - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -309,15 +301,15 @@ acpi_rs_extended_irq_resource ( u8 temp8 = 0; u8 *temp_ptr; u8 index; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_ext_irq); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_ext_irq); ACPI_FUNCTION_TRACE ("rs_extended_irq_resource"); - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -330,9 +322,8 @@ acpi_rs_extended_irq_resource ( *bytes_consumed = temp16 + 3; output_struct->id = ACPI_RSTYPE_EXT_IRQ; - /* - * Point to the Byte3 - */ + /* Point to the Byte3 */ + buffer += 2; temp8 = *buffer; @@ -347,21 +338,18 @@ acpi_rs_extended_irq_resource ( * - Edge/Level are defined opposite in the table vs the headers */ output_struct->data.extended_irq.edge_level = - (temp8 & 0x2) ? ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE; + (temp8 & 0x2) ? ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE; + + /* Check Interrupt Polarity */ - /* - * Check Interrupt Polarity - */ output_struct->data.extended_irq.active_high_low = (temp8 >> 2) & 0x1; - /* - * Check for sharable - */ + /* Check for sharable */ + output_struct->data.extended_irq.shared_exclusive = (temp8 >> 3) & 0x01; - /* - * Point to Byte4 (IRQ Table length) - */ + /* Point to Byte4 (IRQ Table length) */ + buffer += 1; temp8 = *buffer; @@ -379,14 +367,12 @@ acpi_rs_extended_irq_resource ( */ struct_size += (temp8 - 1) * 4; - /* - * Point to Byte5 (First IRQ Number) - */ + /* Point to Byte5 (First IRQ Number) */ + buffer += 1; - /* - * Cycle through every IRQ in the table - */ + /* Cycle through every IRQ in the table */ + for (index = 0; index < temp8; index++) { ACPI_MOVE_32_TO_32 ( &output_struct->data.extended_irq.interrupts[index], buffer); @@ -407,7 +393,8 @@ acpi_rs_extended_irq_resource ( * we add 1 to the length. */ if (*bytes_consumed > - ((acpi_size) output_struct->data.extended_irq.number_of_interrupts * 4) + (5 + 1)) { + ((acpi_size) output_struct->data.extended_irq.number_of_interrupts * 4) + + (5 + 1)) { /* Dereference the Index */ temp8 = *buffer; @@ -417,13 +404,13 @@ acpi_rs_extended_irq_resource ( buffer += 1; - /* - * Point the String pointer to the end of this structure. - */ + /* Point the String pointer to the end of this structure. */ + output_struct->data.extended_irq.resource_source.string_ptr = (char *)((char *) output_struct + struct_size); - temp_ptr = (u8 *) output_struct->data.extended_irq.resource_source.string_ptr; + temp_ptr = (u8 *) + output_struct->data.extended_irq.resource_source.string_ptr; /* Copy the string into the buffer */ @@ -436,9 +423,8 @@ acpi_rs_extended_irq_resource ( index += 1; } - /* - * Add the terminating null - */ + /* Add the terminating null */ + *temp_ptr = 0x00; output_struct->data.extended_irq.resource_source.string_length = index + 1; @@ -456,14 +442,12 @@ acpi_rs_extended_irq_resource ( output_struct->data.extended_irq.resource_source.string_ptr = NULL; } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -501,21 +485,18 @@ acpi_rs_extended_irq_stream ( ACPI_FUNCTION_TRACE ("rs_extended_irq_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x89; buffer += 1; - /* - * Set a pointer to the Length field - to be filled in later - */ + /* Set a pointer to the Length field - to be filled in later */ + length_field = ACPI_CAST_PTR (u16, buffer); buffer += 2; - /* - * Set the Interrupt vector flags - */ + /* Set the Interrupt vector flags */ + temp8 = (u8)(linked_list->data.extended_irq.producer_consumer & 0x01); temp8 |= ((linked_list->data.extended_irq.shared_exclusive & 0x01) << 3); @@ -532,17 +513,15 @@ acpi_rs_extended_irq_stream ( temp8 |= 0x2; } - /* - * Set the Interrupt Polarity - */ + /* Set the Interrupt Polarity */ + temp8 |= ((linked_list->data.extended_irq.active_high_low & 0x1) << 2); *buffer = temp8; buffer += 1; - /* - * Set the Interrupt table length - */ + /* Set the Interrupt table length */ + temp8 = (u8) linked_list->data.extended_irq.number_of_interrupts; *buffer = temp8; @@ -555,18 +534,16 @@ acpi_rs_extended_irq_stream ( buffer += 4; } - /* - * Resource Source Index and Resource Source are optional - */ + /* Resource Source Index and Resource Source are optional */ + if (0 != linked_list->data.extended_irq.resource_source.string_length) { *buffer = (u8) linked_list->data.extended_irq.resource_source.index; buffer += 1; temp_pointer = (char *) buffer; - /* - * Copy the string - */ + /* Copy the string */ + ACPI_STRCPY (temp_pointer, linked_list->data.extended_irq.resource_source.string_ptr); @@ -574,12 +551,12 @@ acpi_rs_extended_irq_stream ( * Buffer needs to be set to the length of the sting + one for the * terminating null */ - buffer += (acpi_size)(ACPI_STRLEN (linked_list->data.extended_irq.resource_source.string_ptr) + 1); + buffer += (acpi_size) (ACPI_STRLEN ( + linked_list->data.extended_irq.resource_source.string_ptr) + 1); } - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); /* diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c index e49c1e030f99..db7bcb4e60e3 100644 --- a/drivers/acpi/resources/rslist.c +++ b/drivers/acpi/resources/rslist.c @@ -55,7 +55,7 @@ * * PARAMETERS: resource_start_byte - Byte 0 of a resource descriptor * - * RETURN: The Resource Type (Name) with no extraneous bits + * RETURN: The Resource Type with no extraneous bits * * DESCRIPTION: Extract the Resource Type/Name from the first byte of * a resource descriptor. @@ -70,28 +70,25 @@ acpi_rs_get_resource_type ( ACPI_FUNCTION_ENTRY (); - /* - * Determine if this is a small or large resource - */ + /* Determine if this is a small or large resource */ + switch (resource_start_byte & ACPI_RDESC_TYPE_MASK) { case ACPI_RDESC_TYPE_SMALL: - /* - * Small Resource Type -- Only bits 6:3 are valid - */ + /* Small Resource Type -- Only bits 6:3 are valid */ + return ((u8) (resource_start_byte & ACPI_RDESC_SMALL_MASK)); case ACPI_RDESC_TYPE_LARGE: - /* - * Large Resource Type -- All bits are valid - */ + /* Large Resource Type -- All bits are valid */ + return (resource_start_byte); default: - /* No other types of resource descriptor */ + /* Invalid type */ break; } @@ -135,9 +132,8 @@ acpi_rs_byte_stream_to_list ( while (bytes_parsed < byte_stream_buffer_length && !end_tag_processed) { - /* - * The next byte in the stream is the resource type - */ + /* The next byte in the stream is the resource type */ + resource_type = acpi_rs_get_resource_type (*byte_stream_buffer); switch (resource_type) { @@ -299,28 +295,23 @@ acpi_rs_byte_stream_to_list ( return_ACPI_STATUS (status); } - /* - * Update the return value and counter - */ + /* Update the return value and counter */ + bytes_parsed += bytes_consumed; - /* - * Set the byte stream to point to the next resource - */ + /* Set the byte stream to point to the next resource */ + byte_stream_buffer += bytes_consumed; - /* - * Set the Buffer to the next structure - */ + /* Set the Buffer to the next structure */ + resource = ACPI_CAST_PTR (struct acpi_resource, buffer); resource->length = (u32) ACPI_ALIGN_RESOURCE_SIZE (resource->length); buffer += ACPI_ALIGN_RESOURCE_SIZE (structure_size); + } - } /* end while */ + /* Check the reason for exiting the while loop */ - /* - * Check the reason for exiting the while loop - */ if (!end_tag_processed) { return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG); } @@ -424,9 +415,8 @@ acpi_rs_list_to_byte_stream ( */ status = acpi_rs_end_tag_stream (linked_list, &buffer, &bytes_consumed); - /* - * An End Tag indicates the end of the Resource Template - */ + /* An End Tag indicates the end of the Resource Template */ + done = TRUE; break; @@ -488,27 +478,25 @@ acpi_rs_list_to_byte_stream ( default: /* * If we get here, everything is out of sync, - * so exit with an error + * so exit with an error */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid descriptor type (%X) in resource list\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Invalid descriptor type (%X) in resource list\n", linked_list->id)); status = AE_BAD_DATA; break; - - } /* switch (linked_list->Id) */ + } if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } - /* - * Set the Buffer to point to the open byte - */ + /* Set the Buffer to point to the open byte */ + buffer += bytes_consumed; - /* - * Point to the next object - */ + /* Point to the next object */ + linked_list = ACPI_PTR_ADD (struct acpi_resource, linked_list, linked_list->length); } diff --git a/drivers/acpi/resources/rsmemory.c b/drivers/acpi/resources/rsmemory.c index 7c935aecf075..91d0207f01ac 100644 --- a/drivers/acpi/resources/rsmemory.c +++ b/drivers/acpi/resources/rsmemory.c @@ -81,15 +81,15 @@ acpi_rs_memory24_resource ( struct acpi_resource *output_struct = (void *) *output_buffer; u16 temp16 = 0; u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_mem24); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_mem24); ACPI_FUNCTION_TRACE ("rs_memory24_resource"); - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -97,48 +97,41 @@ acpi_rs_memory24_resource ( *bytes_consumed = (acpi_size) temp16 + 3; output_struct->id = ACPI_RSTYPE_MEM24; - /* - * Check Byte 3 the Read/Write bit - */ + /* Check Byte 3 the Read/Write bit */ + temp8 = *buffer; buffer += 1; output_struct->data.memory24.read_write_attribute = temp8 & 0x01; - /* - * Get min_base_address (Bytes 4-5) - */ + /* Get min_base_address (Bytes 4-5) */ + ACPI_MOVE_16_TO_16 (&temp16, buffer); buffer += 2; output_struct->data.memory24.min_base_address = temp16; - /* - * Get max_base_address (Bytes 6-7) - */ + /* Get max_base_address (Bytes 6-7) */ + ACPI_MOVE_16_TO_16 (&temp16, buffer); buffer += 2; output_struct->data.memory24.max_base_address = temp16; - /* - * Get Alignment (Bytes 8-9) - */ + /* Get Alignment (Bytes 8-9) */ + ACPI_MOVE_16_TO_16 (&temp16, buffer); buffer += 2; output_struct->data.memory24.alignment = temp16; - /* - * Get range_length (Bytes 10-11) - */ + /* Get range_length (Bytes 10-11) */ + ACPI_MOVE_16_TO_16 (&temp16, buffer); output_struct->data.memory24.range_length = temp16; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -174,53 +167,45 @@ acpi_rs_memory24_stream ( ACPI_FUNCTION_TRACE ("rs_memory24_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x81; buffer += 1; - /* - * The length field is static - */ + /* The length field is static */ + temp16 = 0x09; ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the Information Byte - */ + /* Set the Information Byte */ + temp8 = (u8) (linked_list->data.memory24.read_write_attribute & 0x01); *buffer = temp8; buffer += 1; - /* - * Set the Range minimum base address - */ + /* Set the Range minimum base address */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.min_base_address); buffer += 2; - /* - * Set the Range maximum base address - */ + /* Set the Range maximum base address */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.max_base_address); buffer += 2; - /* - * Set the base alignment - */ + /* Set the base alignment */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.alignment); buffer += 2; - /* - * Set the range length - */ + /* Set the range length */ + ACPI_MOVE_32_TO_16 (buffer, &linked_list->data.memory24.range_length); buffer += 2; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -258,15 +243,15 @@ acpi_rs_memory32_range_resource ( struct acpi_resource *output_struct = (void *) *output_buffer; u16 temp16 = 0; u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_mem32); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_mem32); ACPI_FUNCTION_TRACE ("rs_memory32_range_resource"); - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -285,45 +270,38 @@ acpi_rs_memory32_range_resource ( * 4 * sizeof(RESOURCE_DATA) instead of 4 * sizeof(u8) */ - /* - * Check Byte 3 the Read/Write bit - */ + /* Check Byte 3 the Read/Write bit */ + temp8 = *buffer; buffer += 1; output_struct->data.memory32.read_write_attribute = temp8 & 0x01; - /* - * Get min_base_address (Bytes 4-7) - */ + /* Get min_base_address (Bytes 4-7) */ + ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.min_base_address, buffer); buffer += 4; - /* - * Get max_base_address (Bytes 8-11) - */ + /* Get max_base_address (Bytes 8-11) */ + ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.max_base_address, buffer); buffer += 4; - /* - * Get Alignment (Bytes 12-15) - */ + /* Get Alignment (Bytes 12-15) */ + ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.alignment, buffer); buffer += 4; - /* - * Get range_length (Bytes 16-19) - */ + /* Get range_length (Bytes 16-19) */ + ACPI_MOVE_32_TO_32 (&output_struct->data.memory32.range_length, buffer); - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -361,15 +339,15 @@ acpi_rs_fixed_memory32_resource ( struct acpi_resource *output_struct = (void *) *output_buffer; u16 temp16 = 0; u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_fixed_mem32); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_fixed_mem32); ACPI_FUNCTION_TRACE ("rs_fixed_memory32_resource"); - /* - * Point past the Descriptor to get the number of bytes consumed - */ + /* Point past the Descriptor to get the number of bytes consumed */ + buffer += 1; ACPI_MOVE_16_TO_16 (&temp16, buffer); @@ -378,32 +356,28 @@ acpi_rs_fixed_memory32_resource ( output_struct->id = ACPI_RSTYPE_FIXED_MEM32; - /* - * Check Byte 3 the Read/Write bit - */ + /* Check Byte 3 the Read/Write bit */ + temp8 = *buffer; buffer += 1; output_struct->data.fixed_memory32.read_write_attribute = temp8 & 0x01; - /* - * Get range_base_address (Bytes 4-7) - */ - ACPI_MOVE_32_TO_32 (&output_struct->data.fixed_memory32.range_base_address, buffer); + /* Get range_base_address (Bytes 4-7) */ + + ACPI_MOVE_32_TO_32 (&output_struct->data.fixed_memory32.range_base_address, + buffer); buffer += 4; - /* - * Get range_length (Bytes 8-11) - */ + /* Get range_length (Bytes 8-11) */ + ACPI_MOVE_32_TO_32 (&output_struct->data.fixed_memory32.range_length, buffer); - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -439,54 +413,46 @@ acpi_rs_memory32_range_stream ( ACPI_FUNCTION_TRACE ("rs_memory32_range_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x85; buffer += 1; - /* - * The length field is static - */ + /* The length field is static */ + temp16 = 0x11; ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the Information Byte - */ + /* Set the Information Byte */ + temp8 = (u8) (linked_list->data.memory32.read_write_attribute & 0x01); *buffer = temp8; buffer += 1; - /* - * Set the Range minimum base address - */ + /* Set the Range minimum base address */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.min_base_address); buffer += 4; - /* - * Set the Range maximum base address - */ + /* Set the Range maximum base address */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.max_base_address); buffer += 4; - /* - * Set the base alignment - */ + /* Set the base alignment */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.alignment); buffer += 4; - /* - * Set the range length - */ + /* Set the range length */ + ACPI_MOVE_32_TO_32 (buffer, &linked_list->data.memory32.range_length); buffer += 4; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -522,44 +488,38 @@ acpi_rs_fixed_memory32_stream ( ACPI_FUNCTION_TRACE ("rs_fixed_memory32_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x86; buffer += 1; - /* - * The length field is static - */ + /* The length field is static */ + temp16 = 0x09; ACPI_MOVE_16_TO_16 (buffer, &temp16); buffer += 2; - /* - * Set the Information Byte - */ + /* Set the Information Byte */ + temp8 = (u8) (linked_list->data.fixed_memory32.read_write_attribute & 0x01); *buffer = temp8; buffer += 1; - /* - * Set the Range base address - */ + /* Set the Range base address */ + ACPI_MOVE_32_TO_32 (buffer, - &linked_list->data.fixed_memory32.range_base_address); + &linked_list->data.fixed_memory32.range_base_address); buffer += 4; - /* - * Set the range length - */ + /* Set the range length */ + ACPI_MOVE_32_TO_32 (buffer, - &linked_list->data.fixed_memory32.range_length); + &linked_list->data.fixed_memory32.range_length); buffer += 4; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c index d16be44b5df7..a1f1741f0d83 100644 --- a/drivers/acpi/resources/rsmisc.c +++ b/drivers/acpi/resources/rsmisc.c @@ -84,24 +84,20 @@ acpi_rs_end_tag_resource ( ACPI_FUNCTION_TRACE ("rs_end_tag_resource"); - /* - * The number of bytes consumed is static - */ + /* The number of bytes consumed is static */ + *bytes_consumed = 2; - /* - * Fill out the structure - */ + /* Fill out the structure */ + output_struct->id = ACPI_RSTYPE_END_TAG; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = 0; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -136,9 +132,8 @@ acpi_rs_end_tag_stream ( ACPI_FUNCTION_TRACE ("rs_end_tag_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x79; buffer += 1; @@ -151,9 +146,8 @@ acpi_rs_end_tag_stream ( *buffer = temp8; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -192,21 +186,20 @@ acpi_rs_vendor_resource ( u16 temp16 = 0; u8 temp8 = 0; u8 index; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_vendor); ACPI_FUNCTION_TRACE ("rs_vendor_resource"); - /* - * Dereference the Descriptor to find if this is a large or small item. - */ + /* Dereference the Descriptor to find if this is a large or small item. */ + temp8 = *buffer; if (temp8 & 0x80) { - /* - * Large Item, point to the length field - */ + /* Large Item, point to the length field */ + buffer += 1; /* Dereference */ @@ -222,9 +215,8 @@ acpi_rs_vendor_resource ( buffer += 2; } else { - /* - * Small Item, dereference the size - */ + /* Small Item, dereference the size */ + temp16 = (u8)(*buffer & 0x07); /* Calculate bytes consumed */ @@ -251,14 +243,12 @@ acpi_rs_vendor_resource ( */ struct_size += ACPI_ROUND_UP_to_32_bITS (temp16); - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -295,13 +285,11 @@ acpi_rs_vendor_stream ( ACPI_FUNCTION_TRACE ("rs_vendor_stream"); - /* - * Dereference the length to find if this is a large or small item. - */ + /* Dereference the length to find if this is a large or small item. */ + if(linked_list->data.vendor_specific.length > 7) { - /* - * Large Item, Set the descriptor field and length bytes - */ + /* Large Item, Set the descriptor field and length bytes */ + *buffer = 0x84; buffer += 1; @@ -311,9 +299,8 @@ acpi_rs_vendor_stream ( buffer += 2; } else { - /* - * Small Item, Set the descriptor field - */ + /* Small Item, Set the descriptor field */ + temp8 = 0x70; temp8 |= (u8) linked_list->data.vendor_specific.length; @@ -321,9 +308,8 @@ acpi_rs_vendor_stream ( buffer += 1; } - /* - * Loop through all of the Vendor Specific fields - */ + /* Loop through all of the Vendor Specific fields */ + for (index = 0; index < linked_list->data.vendor_specific.length; index++) { temp8 = linked_list->data.vendor_specific.reserved[index]; @@ -331,9 +317,8 @@ acpi_rs_vendor_stream ( buffer += 1; } - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -370,40 +355,37 @@ acpi_rs_start_depend_fns_resource ( u8 *buffer = byte_stream_buffer; struct acpi_resource *output_struct = (void *) *output_buffer; u8 temp8 = 0; - acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_start_dpf); + acpi_size struct_size = ACPI_SIZEOF_RESOURCE ( + struct acpi_resource_start_dpf); ACPI_FUNCTION_TRACE ("rs_start_depend_fns_resource"); - /* - * The number of bytes consumed are contained in the descriptor (Bits:0-1) - */ + /* The number of bytes consumed are found in the descriptor (Bits:0-1) */ + temp8 = *buffer; *bytes_consumed = (temp8 & 0x01) + 1; output_struct->id = ACPI_RSTYPE_START_DPF; - /* - * Point to Byte 1 if it is used - */ + /* Point to Byte 1 if it is used */ + if (2 == *bytes_consumed) { buffer += 1; temp8 = *buffer; - /* - * Check Compatibility priority - */ + /* Check Compatibility priority */ + output_struct->data.start_dpf.compatibility_priority = temp8 & 0x03; if (3 == output_struct->data.start_dpf.compatibility_priority) { return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); } - /* - * Check Performance/Robustness preference - */ + /* Check Performance/Robustness preference */ + output_struct->data.start_dpf.performance_robustness = (temp8 >> 2) & 0x03; if (3 == output_struct->data.start_dpf.performance_robustness) { @@ -412,20 +394,18 @@ acpi_rs_start_depend_fns_resource ( } else { output_struct->data.start_dpf.compatibility_priority = - ACPI_ACCEPTABLE_CONFIGURATION; + ACPI_ACCEPTABLE_CONFIGURATION; output_struct->data.start_dpf.performance_robustness = - ACPI_ACCEPTABLE_CONFIGURATION; + ACPI_ACCEPTABLE_CONFIGURATION; } - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -466,24 +446,20 @@ acpi_rs_end_depend_fns_resource ( ACPI_FUNCTION_TRACE ("rs_end_depend_fns_resource"); - /* - * The number of bytes consumed is static - */ + /* The number of bytes consumed is static */ + *bytes_consumed = 1; - /* - * Fill out the structure - */ + /* Fill out the structure */ + output_struct->id = ACPI_RSTYPE_END_DPF; - /* - * Set the Length parameter - */ + /* Set the Length parameter */ + output_struct->length = (u32) struct_size; - /* - * Return the final size of the structure - */ + /* Return the final size of the structure */ + *structure_size = struct_size; return_ACPI_STATUS (AE_OK); } @@ -533,9 +509,8 @@ acpi_rs_start_depend_fns_stream ( *buffer = 0x31; buffer += 1; - /* - * Set the Priority Byte Definition - */ + /* Set the Priority Byte Definition */ + temp8 = 0; temp8 = (u8) ((linked_list->data.start_dpf.performance_robustness & 0x03) << 2); @@ -546,9 +521,8 @@ acpi_rs_start_depend_fns_stream ( buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } @@ -582,15 +556,13 @@ acpi_rs_end_depend_fns_stream ( ACPI_FUNCTION_TRACE ("rs_end_depend_fns_stream"); - /* - * The descriptor field is static - */ + /* The descriptor field is static */ + *buffer = 0x38; buffer += 1; - /* - * Return the number of bytes consumed in this operation - */ + /* Return the number of bytes consumed in this operation */ + *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer); return_ACPI_STATUS (AE_OK); } diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c index ee9ce13c053d..700cf7d65d76 100644 --- a/drivers/acpi/resources/rsutils.c +++ b/drivers/acpi/resources/rsutils.c @@ -83,10 +83,10 @@ acpi_rs_get_prt_method_data ( /* Parameters guaranteed valid by caller */ - /* - * Execute the method, no parameters - */ - status = acpi_ut_evaluate_object (handle, "_PRT", ACPI_BTYPE_PACKAGE, &obj_desc); + /* Execute the method, no parameters */ + + status = acpi_ut_evaluate_object (handle, METHOD_NAME__PRT, + ACPI_BTYPE_PACKAGE, &obj_desc); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -136,10 +136,10 @@ acpi_rs_get_crs_method_data ( /* Parameters guaranteed valid by caller */ - /* - * Execute the method, no parameters - */ - status = acpi_ut_evaluate_object (handle, "_CRS", ACPI_BTYPE_BUFFER, &obj_desc); + /* Execute the method, no parameters */ + + status = acpi_ut_evaluate_object (handle, METHOD_NAME__CRS, + ACPI_BTYPE_BUFFER, &obj_desc); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -175,6 +175,7 @@ acpi_rs_get_crs_method_data ( * and the contents of the callers buffer is undefined. * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_rs_get_prs_method_data ( @@ -190,10 +191,10 @@ acpi_rs_get_prs_method_data ( /* Parameters guaranteed valid by caller */ - /* - * Execute the method, no parameters - */ - status = acpi_ut_evaluate_object (handle, "_PRS", ACPI_BTYPE_BUFFER, &obj_desc); + /* Execute the method, no parameters */ + + status = acpi_ut_evaluate_object (handle, METHOD_NAME__PRS, + ACPI_BTYPE_BUFFER, &obj_desc); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -218,6 +219,7 @@ acpi_rs_get_prs_method_data ( * FUNCTION: acpi_rs_get_method_data * * PARAMETERS: Handle - a handle to the containing object + * Path - Path to method, relative to Handle * ret_buffer - a pointer to a buffer structure for the * results * @@ -246,9 +248,8 @@ acpi_rs_get_method_data ( /* Parameters guaranteed valid by caller */ - /* - * Execute the method, no parameters - */ + /* Execute the method, no parameters */ + status = acpi_ut_evaluate_object (handle, path, ACPI_BTYPE_BUFFER, &obj_desc); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); @@ -314,18 +315,16 @@ acpi_rs_set_srs_method_data ( return_ACPI_STATUS (status); } - /* - * Init the param object - */ + /* Init the param object */ + params[0] = acpi_ut_create_internal_object (ACPI_TYPE_BUFFER); if (!params[0]) { acpi_os_free (buffer.pointer); return_ACPI_STATUS (AE_NO_MEMORY); } - /* - * Set up the parameter object - */ + /* Set up the parameter object */ + params[0]->buffer.length = (u32) buffer.length; params[0]->buffer.pointer = buffer.pointer; params[0]->common.flags = AOPOBJ_DATA_VALID; @@ -335,10 +334,9 @@ acpi_rs_set_srs_method_data ( info.parameters = params; info.parameter_type = ACPI_PARAM_ARGS; - /* - * Execute the method, no return value - */ - status = acpi_ns_evaluate_relative ("_SRS", &info); + /* Execute the method, no return value */ + + status = acpi_ns_evaluate_relative (METHOD_NAME__SRS, &info); if (ACPI_SUCCESS (status)) { /* Delete any return object (especially if implicit_return is enabled) */ @@ -347,9 +345,8 @@ acpi_rs_set_srs_method_data ( } } - /* - * Clean up and return the status from acpi_ns_evaluate_relative - */ + /* Clean up and return the status from acpi_ns_evaluate_relative */ + acpi_ut_remove_reference (params[0]); return_ACPI_STATUS (status); } diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c index a9cdcbeb3432..83c944b8b097 100644 --- a/drivers/acpi/resources/rsxface.c +++ b/drivers/acpi/resources/rsxface.c @@ -49,6 +49,23 @@ #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME ("rsxface") +/* Local macros for 16,32-bit to 64-bit conversion */ + +#define ACPI_COPY_FIELD(out, in, field) ((out)->field = (in)->field) +#define ACPI_COPY_ADDRESS(out, in) \ + ACPI_COPY_FIELD(out, in, resource_type); \ + ACPI_COPY_FIELD(out, in, producer_consumer); \ + ACPI_COPY_FIELD(out, in, decode); \ + ACPI_COPY_FIELD(out, in, min_address_fixed); \ + ACPI_COPY_FIELD(out, in, max_address_fixed); \ + ACPI_COPY_FIELD(out, in, attribute); \ + ACPI_COPY_FIELD(out, in, granularity); \ + ACPI_COPY_FIELD(out, in, min_address_range); \ + ACPI_COPY_FIELD(out, in, max_address_range); \ + ACPI_COPY_FIELD(out, in, address_translation_offset); \ + ACPI_COPY_FIELD(out, in, address_length); \ + ACPI_COPY_FIELD(out, in, resource_source); + /******************************************************************************* * @@ -180,6 +197,7 @@ EXPORT_SYMBOL(acpi_get_current_resources); * and the value of ret_buffer is undefined. * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_get_possible_resources ( @@ -346,9 +364,8 @@ acpi_set_current_resources ( ACPI_FUNCTION_TRACE ("acpi_set_current_resources"); - /* - * Must have a valid handle and buffer - */ + /* Must have a valid handle and buffer */ + if ((!device_handle) || (!in_buffer) || (!in_buffer->pointer) || @@ -362,21 +379,6 @@ acpi_set_current_resources ( EXPORT_SYMBOL(acpi_set_current_resources); -#define ACPI_COPY_FIELD(out, in, field) ((out)->field = (in)->field) -#define ACPI_COPY_ADDRESS(out, in) \ - ACPI_COPY_FIELD(out, in, resource_type); \ - ACPI_COPY_FIELD(out, in, producer_consumer); \ - ACPI_COPY_FIELD(out, in, decode); \ - ACPI_COPY_FIELD(out, in, min_address_fixed); \ - ACPI_COPY_FIELD(out, in, max_address_fixed); \ - ACPI_COPY_FIELD(out, in, attribute); \ - ACPI_COPY_FIELD(out, in, granularity); \ - ACPI_COPY_FIELD(out, in, min_address_range); \ - ACPI_COPY_FIELD(out, in, max_address_range); \ - ACPI_COPY_FIELD(out, in, address_translation_offset); \ - ACPI_COPY_FIELD(out, in, address_length); \ - ACPI_COPY_FIELD(out, in, resource_source); - /****************************************************************************** * * FUNCTION: acpi_resource_to_address64 @@ -408,14 +410,14 @@ acpi_resource_to_address64 ( case ACPI_RSTYPE_ADDRESS16: address16 = (struct acpi_resource_address16 *) &resource->data; - ACPI_COPY_ADDRESS(out, address16); + ACPI_COPY_ADDRESS (out, address16); break; case ACPI_RSTYPE_ADDRESS32: address32 = (struct acpi_resource_address32 *) &resource->data; - ACPI_COPY_ADDRESS(out, address32); + ACPI_COPY_ADDRESS (out, address32); break; @@ -434,4 +436,3 @@ acpi_resource_to_address64 ( return (AE_OK); } EXPORT_SYMBOL(acpi_resource_to_address64); - diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 337d49b5564b..cbcda30c172d 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1061,13 +1061,15 @@ acpi_add_single_object ( /* * Status * ------ - * See if the device is present. We always assume that non-Device() - * objects (e.g. thermal zones, power resources, processors, etc.) are - * present, functioning, etc. (at least when parent object is present). - * Note that _STA has a different meaning for some objects (e.g. - * power resources) so we need to be careful how we use it. + * See if the device is present. We always assume that non-Device + * and non-Processor objects (e.g. thermal zones, power resources, + * etc.) are present, functioning, etc. (at least when parent object + * is present). Note that _STA has a different meaning for some + * objects (e.g. power resources) so we need to be careful how we use + * it. */ switch (type) { + case ACPI_BUS_TYPE_PROCESSOR: case ACPI_BUS_TYPE_DEVICE: result = acpi_bus_get_status(device); if (ACPI_FAILURE(result) || !device->status.present) { diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index 0a5d2a94131e..7249ba2b7a27 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -1,6 +1,7 @@ /* * sleep.c - ACPI sleep support. * + * Copyright (c) 2005 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> * Copyright (c) 2004 David Shaohua Li <shaohua.li@intel.com> * Copyright (c) 2000-2003 Patrick Mochel * Copyright (c) 2003 Open Source Development Lab @@ -14,7 +15,6 @@ #include <linux/dmi.h> #include <linux/device.h> #include <linux/suspend.h> -#include <asm/io.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include "sleep.h" @@ -27,10 +27,11 @@ extern void do_suspend_lowlevel_s4bios(void); extern void do_suspend_lowlevel(void); static u32 acpi_suspend_states[] = { - [PM_SUSPEND_ON] = ACPI_STATE_S0, - [PM_SUSPEND_STANDBY] = ACPI_STATE_S1, - [PM_SUSPEND_MEM] = ACPI_STATE_S3, - [PM_SUSPEND_DISK] = ACPI_STATE_S4, + [PM_SUSPEND_ON] = ACPI_STATE_S0, + [PM_SUSPEND_STANDBY] = ACPI_STATE_S1, + [PM_SUSPEND_MEM] = ACPI_STATE_S3, + [PM_SUSPEND_DISK] = ACPI_STATE_S4, + [PM_SUSPEND_MAX] = ACPI_STATE_S5 }; static int init_8259A_after_S1; @@ -44,30 +45,20 @@ static int init_8259A_after_S1; * wakeup code to the waking vector. */ +extern int acpi_sleep_prepare(u32 acpi_state); +extern void acpi_power_off(void); + static int acpi_pm_prepare(suspend_state_t pm_state) { u32 acpi_state = acpi_suspend_states[pm_state]; - if (!sleep_states[acpi_state]) + if (!sleep_states[acpi_state]) { + printk("acpi_pm_prepare does not support %d \n", pm_state); return -EPERM; - - /* do we have a wakeup address for S2 and S3? */ - /* Here, we support only S4BIOS, those we set the wakeup address */ - /* S4OS is only supported for now via swsusp.. */ - if (pm_state == PM_SUSPEND_MEM || pm_state == PM_SUSPEND_DISK) { - if (!acpi_wakeup_address) - return -EFAULT; - acpi_set_firmware_waking_vector( - (acpi_physical_address) virt_to_phys( - (void *)acpi_wakeup_address)); } - ACPI_FLUSH_CPU_CACHE(); - acpi_enable_wakeup_device_prep(acpi_state); - acpi_enter_sleep_state_prep(acpi_state); - return 0; + return acpi_sleep_prepare(acpi_state); } - /** * acpi_pm_enter - Actually enter a sleep state. * @pm_state: State we're entering. @@ -92,11 +83,9 @@ static int acpi_pm_enter(suspend_state_t pm_state) return error; } - local_irq_save(flags); acpi_enable_wakeup_device(acpi_state); - switch (pm_state) - { + switch (pm_state) { case PM_SUSPEND_STANDBY: barrier(); status = acpi_enter_sleep_state(acpi_state); @@ -112,6 +101,10 @@ static int acpi_pm_enter(suspend_state_t pm_state) else do_suspend_lowlevel_s4bios(); break; + case PM_SUSPEND_MAX: + acpi_power_off(); + break; + default: return -EINVAL; } @@ -126,11 +119,9 @@ static int acpi_pm_enter(suspend_state_t pm_state) if (pm_state > PM_SUSPEND_STANDBY) acpi_restore_state_mem(); - return ACPI_SUCCESS(status) ? 0 : -EFAULT; } - /** * acpi_pm_finish - Finish up suspend sequence. * @pm_state: State we're coming out of. @@ -156,27 +147,26 @@ static int acpi_pm_finish(suspend_state_t pm_state) return 0; } - int acpi_suspend(u32 acpi_state) { suspend_state_t states[] = { - [1] = PM_SUSPEND_STANDBY, - [3] = PM_SUSPEND_MEM, - [4] = PM_SUSPEND_DISK, + [1] = PM_SUSPEND_STANDBY, + [3] = PM_SUSPEND_MEM, + [4] = PM_SUSPEND_DISK, + [5] = PM_SUSPEND_MAX }; - if (acpi_state <= 4 && states[acpi_state]) + if (acpi_state < 6 && states[acpi_state]) return pm_suspend(states[acpi_state]); return -EINVAL; } static struct pm_ops acpi_pm_ops = { - .prepare = acpi_pm_prepare, - .enter = acpi_pm_enter, - .finish = acpi_pm_finish, + .prepare = acpi_pm_prepare, + .enter = acpi_pm_enter, + .finish = acpi_pm_finish, }; - /* * Toshiba fails to preserve interrupts over S1, reinitialization * of 8259 is needed after S1 resume. @@ -190,16 +180,16 @@ static int __init init_ints_after_s1(struct dmi_system_id *d) static struct dmi_system_id __initdata acpisleep_dmi_table[] = { { - .callback = init_ints_after_s1, - .ident = "Toshiba Satellite 4030cdt", - .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"), }, - }, - { }, + .callback = init_ints_after_s1, + .ident = "Toshiba Satellite 4030cdt", + .matches = {DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),}, + }, + {}, }; static int __init acpi_sleep_init(void) { - int i = 0; + int i = 0; dmi_check_system(acpisleep_dmi_table); @@ -207,7 +197,7 @@ static int __init acpi_sleep_init(void) return 0; printk(KERN_INFO PREFIX "(supports"); - for (i=0; i < ACPI_S_STATE_COUNT; i++) { + for (i = 0; i < ACPI_S_STATE_COUNT; i++) { acpi_status status; u8 type_a, type_b; status = acpi_get_sleep_type_data(i, &type_a, &type_b); diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c index da237754ded9..1fc86e6b5ab9 100644 --- a/drivers/acpi/sleep/poweroff.c +++ b/drivers/acpi/sleep/poweroff.c @@ -3,35 +3,100 @@ * * AKA S5, but it is independent of whether or not the kernel supports * any other sleep support in the system. + * + * Copyright (c) 2005 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> + * + * This file is released under the GPLv2. */ #include <linux/pm.h> #include <linux/init.h> #include <acpi/acpi_bus.h> #include <linux/sched.h> +#include <linux/sysdev.h> +#include <asm/io.h> #include "sleep.h" -static void -acpi_power_off (void) +int acpi_sleep_prepare(u32 acpi_state) +{ + /* Flag to do not allow second time invocation for S5 state */ + static int shutdown_prepared = 0; +#ifdef CONFIG_ACPI_SLEEP + /* do we have a wakeup address for S2 and S3? */ + /* Here, we support only S4BIOS, those we set the wakeup address */ + /* S4OS is only supported for now via swsusp.. */ + if (acpi_state == ACPI_STATE_S3 || acpi_state == ACPI_STATE_S4) { + if (!acpi_wakeup_address) { + return -EFAULT; + } + acpi_set_firmware_waking_vector((acpi_physical_address) + virt_to_phys((void *) + acpi_wakeup_address)); + + } + ACPI_FLUSH_CPU_CACHE(); + acpi_enable_wakeup_device_prep(acpi_state); +#endif + if (acpi_state == ACPI_STATE_S5) { + /* Check if we were already called */ + if (shutdown_prepared) + return 0; + acpi_wakeup_gpe_poweroff_prepare(); + shutdown_prepared = 1; + } + acpi_enter_sleep_state_prep(acpi_state); + return 0; +} + +void acpi_power_off(void) { - printk("%s called\n",__FUNCTION__); + printk("%s called\n", __FUNCTION__); + acpi_sleep_prepare(ACPI_STATE_S5); + local_irq_disable(); /* Some SMP machines only can poweroff in boot CPU */ set_cpus_allowed(current, cpumask_of_cpu(0)); - acpi_wakeup_gpe_poweroff_prepare(); - acpi_enter_sleep_state_prep(ACPI_STATE_S5); - ACPI_DISABLE_IRQS(); acpi_enter_sleep_state(ACPI_STATE_S5); } +#ifdef CONFIG_PM + +static int acpi_shutdown(struct sys_device *x) +{ + return acpi_sleep_prepare(ACPI_STATE_S5); +} + +static struct sysdev_class acpi_sysclass = { + set_kset_name("acpi"), + .shutdown = acpi_shutdown +}; + +static struct sys_device device_acpi = { + .id = 0, + .cls = &acpi_sysclass, +}; + +#endif + static int acpi_poweroff_init(void) { if (!acpi_disabled) { u8 type_a, type_b; acpi_status status; - status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); - if (ACPI_SUCCESS(status)) + status = + acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); + if (ACPI_SUCCESS(status)) { pm_power_off = acpi_power_off; +#ifdef CONFIG_PM + { + int error; + error = sysdev_class_register(&acpi_sysclass); + if (!error) + error = sysdev_register(&device_acpi); + return error; + } +#endif + } } return 0; } diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index fd7c5a0649af..1be99f0996d6 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -13,13 +13,17 @@ #include "sleep.h" +#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP #define ACPI_SYSTEM_FILE_SLEEP "sleep" +#endif + #define ACPI_SYSTEM_FILE_ALARM "alarm" #define ACPI_SYSTEM_FILE_WAKEUP_DEVICE "wakeup" #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME ("sleep") +#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset) { @@ -78,6 +82,7 @@ acpi_system_write_sleep ( Done: return error ? error : count; } +#endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) { @@ -452,6 +457,7 @@ static struct file_operations acpi_system_wakeup_device_fops = { .release = single_release, }; +#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP static struct file_operations acpi_system_sleep_fops = { .open = acpi_system_sleep_open_fs, .read = seq_read, @@ -459,6 +465,7 @@ static struct file_operations acpi_system_sleep_fops = { .llseek = seq_lseek, .release = single_release, }; +#endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */ static struct file_operations acpi_system_alarm_fops = { .open = acpi_system_alarm_open_fs, @@ -484,11 +491,13 @@ static int acpi_sleep_proc_init(void) if (acpi_disabled) return 0; +#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP /* 'sleep' [R/W]*/ entry = create_proc_entry(ACPI_SYSTEM_FILE_SLEEP, S_IFREG|S_IRUGO|S_IWUSR, acpi_root_dir); if (entry) entry->proc_fops = &acpi_system_sleep_fops; +#endif /* 'alarm' [R/W] */ entry = create_proc_entry(ACPI_SYSTEM_FILE_ALARM, diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c index 334327c1f66f..92e0c31539be 100644 --- a/drivers/acpi/tables/tbconvrt.c +++ b/drivers/acpi/tables/tbconvrt.c @@ -50,6 +50,24 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbconvrt") +/* Local prototypes */ + +static void +acpi_tb_init_generic_address ( + struct acpi_generic_address *new_gas_struct, + u8 register_bit_width, + acpi_physical_address address); + +static void +acpi_tb_convert_fadt1 ( + struct fadt_descriptor_rev2 *local_fadt, + struct fadt_descriptor_rev1 *original_fadt); + +static void +acpi_tb_convert_fadt2 ( + struct fadt_descriptor_rev2 *local_fadt, + struct fadt_descriptor_rev2 *original_fadt); + u8 acpi_fadt_is_v1; EXPORT_SYMBOL(acpi_fadt_is_v1); @@ -142,11 +160,13 @@ acpi_tb_convert_to_xsdt ( for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { if (acpi_gbl_RSDP->revision < 2) { ACPI_STORE_ADDRESS (new_table->table_offset_entry[i], - (ACPI_CAST_PTR (struct rsdt_descriptor_rev1, table_info->pointer))->table_offset_entry[i]); + (ACPI_CAST_PTR (struct rsdt_descriptor_rev1, + table_info->pointer))->table_offset_entry[i]); } else { new_table->table_offset_entry[i] = - (ACPI_CAST_PTR (XSDT_DESCRIPTOR, table_info->pointer))->table_offset_entry[i]; + (ACPI_CAST_PTR (XSDT_DESCRIPTOR, + table_info->pointer))->table_offset_entry[i]; } } @@ -164,7 +184,7 @@ acpi_tb_convert_to_xsdt ( } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_tb_init_generic_address * @@ -201,7 +221,7 @@ acpi_tb_init_generic_address ( * PARAMETERS: local_fadt - Pointer to new FADT * original_fadt - Pointer to old FADT * - * RETURN: Populates local_fadt + * RETURN: None, populates local_fadt * * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format * @@ -213,7 +233,6 @@ acpi_tb_convert_fadt1 ( struct fadt_descriptor_rev1 *original_fadt) { - /* ACPI 1.0 FACS */ /* The BIOS stored FADT should agree with Revision 1.0 */ acpi_fadt_is_v1 = 1; @@ -232,7 +251,8 @@ acpi_tb_convert_fadt1 ( ACPI_STORE_ADDRESS (local_fadt->Xdsdt, local_fadt->V1_dsdt); /* - * System Interrupt Model isn't used in ACPI 2.0 (local_fadt->Reserved1 = 0;) + * System Interrupt Model isn't used in ACPI 2.0 + * (local_fadt->Reserved1 = 0;) */ /* @@ -269,7 +289,8 @@ acpi_tb_convert_fadt1 ( * that immediately follows. */ ACPI_MEMCPY (&local_fadt->reset_register, - &(ACPI_CAST_PTR (struct fadt_descriptor_rev2_minus, original_fadt))->reset_register, + &(ACPI_CAST_PTR (struct fadt_descriptor_rev2_minus, + original_fadt))->reset_register, sizeof (struct acpi_generic_address) + 1); } else { @@ -304,7 +325,8 @@ acpi_tb_convert_fadt1 ( acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable, (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), - (acpi_physical_address) (local_fadt->xpm1a_evt_blk.address + + (acpi_physical_address) + (local_fadt->xpm1a_evt_blk.address + ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); /* PM1B is optional; leave null if not present */ @@ -312,7 +334,8 @@ acpi_tb_convert_fadt1 ( if (local_fadt->xpm1b_evt_blk.address) { acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable, (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), - (acpi_physical_address) (local_fadt->xpm1b_evt_blk.address + + (acpi_physical_address) + (local_fadt->xpm1b_evt_blk.address + ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); } } @@ -325,7 +348,7 @@ acpi_tb_convert_fadt1 ( * PARAMETERS: local_fadt - Pointer to new FADT * original_fadt - Pointer to old FADT * - * RETURN: Populates local_fadt + * RETURN: None, populates local_fadt * * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format. * Handles optional "X" fields. @@ -348,7 +371,8 @@ acpi_tb_convert_fadt2 ( * is zero. */ if (!(local_fadt->xfirmware_ctrl)) { - ACPI_STORE_ADDRESS (local_fadt->xfirmware_ctrl, local_fadt->V1_firmware_ctrl); + ACPI_STORE_ADDRESS (local_fadt->xfirmware_ctrl, + local_fadt->V1_firmware_ctrl); } if (!(local_fadt->Xdsdt)) { @@ -357,32 +381,38 @@ acpi_tb_convert_fadt2 ( if (!(local_fadt->xpm1a_evt_blk.address)) { acpi_tb_init_generic_address (&local_fadt->xpm1a_evt_blk, - local_fadt->pm1_evt_len, (acpi_physical_address) local_fadt->V1_pm1a_evt_blk); + local_fadt->pm1_evt_len, + (acpi_physical_address) local_fadt->V1_pm1a_evt_blk); } if (!(local_fadt->xpm1b_evt_blk.address)) { acpi_tb_init_generic_address (&local_fadt->xpm1b_evt_blk, - local_fadt->pm1_evt_len, (acpi_physical_address) local_fadt->V1_pm1b_evt_blk); + local_fadt->pm1_evt_len, + (acpi_physical_address) local_fadt->V1_pm1b_evt_blk); } if (!(local_fadt->xpm1a_cnt_blk.address)) { acpi_tb_init_generic_address (&local_fadt->xpm1a_cnt_blk, - local_fadt->pm1_cnt_len, (acpi_physical_address) local_fadt->V1_pm1a_cnt_blk); + local_fadt->pm1_cnt_len, + (acpi_physical_address) local_fadt->V1_pm1a_cnt_blk); } if (!(local_fadt->xpm1b_cnt_blk.address)) { acpi_tb_init_generic_address (&local_fadt->xpm1b_cnt_blk, - local_fadt->pm1_cnt_len, (acpi_physical_address) local_fadt->V1_pm1b_cnt_blk); + local_fadt->pm1_cnt_len, + (acpi_physical_address) local_fadt->V1_pm1b_cnt_blk); } if (!(local_fadt->xpm2_cnt_blk.address)) { acpi_tb_init_generic_address (&local_fadt->xpm2_cnt_blk, - local_fadt->pm2_cnt_len, (acpi_physical_address) local_fadt->V1_pm2_cnt_blk); + local_fadt->pm2_cnt_len, + (acpi_physical_address) local_fadt->V1_pm2_cnt_blk); } if (!(local_fadt->xpm_tmr_blk.address)) { acpi_tb_init_generic_address (&local_fadt->xpm_tmr_blk, - local_fadt->pm_tm_len, (acpi_physical_address) local_fadt->V1_pm_tmr_blk); + local_fadt->pm_tm_len, + (acpi_physical_address) local_fadt->V1_pm_tmr_blk); } if (!(local_fadt->xgpe0_blk.address)) { @@ -399,18 +429,24 @@ acpi_tb_convert_fadt2 ( acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable, (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), - (acpi_physical_address) (local_fadt->xpm1a_evt_blk.address + + (acpi_physical_address) + (local_fadt->xpm1a_evt_blk.address + ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); - acpi_gbl_xpm1a_enable.address_space_id = local_fadt->xpm1a_evt_blk.address_space_id; + + acpi_gbl_xpm1a_enable.address_space_id = + local_fadt->xpm1a_evt_blk.address_space_id; /* PM1B is optional; leave null if not present */ if (local_fadt->xpm1b_evt_blk.address) { acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable, (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), - (acpi_physical_address) (local_fadt->xpm1b_evt_blk.address + + (acpi_physical_address) + (local_fadt->xpm1b_evt_blk.address + ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); - acpi_gbl_xpm1b_enable.address_space_id = local_fadt->xpm1b_evt_blk.address_space_id; + + acpi_gbl_xpm1b_enable.address_space_id = + local_fadt->xpm1b_evt_blk.address_space_id; } } @@ -432,7 +468,8 @@ acpi_tb_convert_fadt2 ( ******************************************************************************/ acpi_status -acpi_tb_convert_table_fadt (void) +acpi_tb_convert_table_fadt ( + void) { struct fadt_descriptor_rev2 *local_fadt; struct acpi_table_desc *table_desc; @@ -446,7 +483,8 @@ acpi_tb_convert_table_fadt (void) * at least as long as the version 1.0 FADT */ if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev1)) { - ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n", acpi_gbl_FADT->length)); + ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n", + acpi_gbl_FADT->length)); return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); } @@ -461,8 +499,9 @@ acpi_tb_convert_table_fadt (void) if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev2)) { /* Length is too short to be a V2.0 table */ - ACPI_REPORT_WARNING (("Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n", - acpi_gbl_FADT->length, acpi_gbl_FADT->revision)); + ACPI_REPORT_WARNING (( + "Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n", + acpi_gbl_FADT->length, acpi_gbl_FADT->revision)); acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT); } @@ -478,9 +517,8 @@ acpi_tb_convert_table_fadt (void) acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT); } - /* - * Global FADT pointer will point to the new common V2.0 FADT - */ + /* Global FADT pointer will point to the new common V2.0 FADT */ + acpi_gbl_FADT = local_fadt; acpi_gbl_FADT->length = sizeof (FADT_DESCRIPTOR); @@ -508,7 +546,7 @@ acpi_tb_convert_table_fadt (void) /******************************************************************************* * - * FUNCTION: acpi_tb_convert_table_facs + * FUNCTION: acpi_tb_build_common_facs * * PARAMETERS: table_info - Info for currently installed FACS * @@ -530,12 +568,14 @@ acpi_tb_build_common_facs ( /* Absolute minimum length is 24, but the ACPI spec says 64 */ if (acpi_gbl_FACS->length < 24) { - ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n", acpi_gbl_FACS->length)); + ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n", + acpi_gbl_FACS->length)); return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); } if (acpi_gbl_FACS->length < 64) { - ACPI_REPORT_WARNING (("FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n", + ACPI_REPORT_WARNING (( + "FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n", acpi_gbl_FACS->length)); } @@ -548,7 +588,8 @@ acpi_tb_build_common_facs ( (!(acpi_gbl_FACS->xfirmware_waking_vector))) { /* ACPI 1.0 FACS or short table or optional X_ field is zero */ - acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR (u64, &(acpi_gbl_FACS->firmware_waking_vector)); + acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR (u64, + &(acpi_gbl_FACS->firmware_waking_vector)); acpi_gbl_common_fACS.vector_width = 32; } else { diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c index 896f3ddda62e..4ab2aadc6133 100644 --- a/drivers/acpi/tables/tbget.c +++ b/drivers/acpi/tables/tbget.c @@ -49,6 +49,19 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbget") +/* Local prototypes */ + +static acpi_status +acpi_tb_get_this_table ( + struct acpi_pointer *address, + struct acpi_table_header *header, + struct acpi_table_desc *table_info); + +static acpi_status +acpi_tb_table_override ( + struct acpi_table_header *header, + struct acpi_table_desc *table_info); + /******************************************************************************* * @@ -76,9 +89,8 @@ acpi_tb_get_table ( ACPI_FUNCTION_TRACE ("tb_get_table"); - /* - * Get the header in order to get signature and table size - */ + /* Get the header in order to get signature and table size */ + status = acpi_tb_get_table_header (address, &header); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); @@ -127,8 +139,8 @@ acpi_tb_get_table_header ( /* - * Flags contains the current processor mode (Virtual or Physical addressing) - * The pointer_type is either Logical or Physical + * Flags contains the current processor mode (Virtual or Physical + * addressing) The pointer_type is either Logical or Physical */ switch (address->pointer_type) { case ACPI_PHYSMODE_PHYSPTR: @@ -136,7 +148,8 @@ acpi_tb_get_table_header ( /* Pointer matches processor mode, copy the header */ - ACPI_MEMCPY (return_header, address->pointer.logical, sizeof (struct acpi_table_header)); + ACPI_MEMCPY (return_header, address->pointer.logical, + sizeof (struct acpi_table_header)); break; @@ -144,10 +157,11 @@ acpi_tb_get_table_header ( /* Create a logical address for the physical pointer*/ - status = acpi_os_map_memory (address->pointer.physical, sizeof (struct acpi_table_header), - (void *) &header); + status = acpi_os_map_memory (address->pointer.physical, + sizeof (struct acpi_table_header), (void *) &header); if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not map memory at %8.8X%8.8X for length %X\n", + ACPI_REPORT_ERROR (( + "Could not map memory at %8.8X%8.8X for length %X\n", ACPI_FORMAT_UINT64 (address->pointer.physical), sizeof (struct acpi_table_header))); return_ACPI_STATUS (status); @@ -210,9 +224,8 @@ acpi_tb_get_table_body ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* - * Attempt table override. - */ + /* Attempt table override. */ + status = acpi_tb_table_override (header, table_info); if (ACPI_SUCCESS (status)) { /* Table was overridden by the host OS */ @@ -241,7 +254,7 @@ acpi_tb_get_table_body ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_tb_table_override ( struct acpi_table_header *header, struct acpi_table_desc *table_info) @@ -315,7 +328,7 @@ acpi_tb_table_override ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_tb_get_this_table ( struct acpi_pointer *address, struct acpi_table_header *header, @@ -330,8 +343,8 @@ acpi_tb_get_this_table ( /* - * Flags contains the current processor mode (Virtual or Physical addressing) - * The pointer_type is either Logical or Physical + * Flags contains the current processor mode (Virtual or Physical + * addressing) The pointer_type is either Logical or Physical */ switch (address->pointer_type) { case ACPI_PHYSMODE_PHYSPTR: @@ -341,7 +354,8 @@ acpi_tb_get_this_table ( full_table = ACPI_MEM_ALLOCATE (header->length); if (!full_table) { - ACPI_REPORT_ERROR (("Could not allocate table memory for [%4.4s] length %X\n", + ACPI_REPORT_ERROR (( + "Could not allocate table memory for [%4.4s] length %X\n", header->signature, header->length)); return_ACPI_STATUS (AE_NO_MEMORY); } @@ -362,12 +376,14 @@ acpi_tb_get_this_table ( * Just map the table's physical memory * into our address space. */ - status = acpi_os_map_memory (address->pointer.physical, (acpi_size) header->length, - (void *) &full_table); + status = acpi_os_map_memory (address->pointer.physical, + (acpi_size) header->length, (void *) &full_table); if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n", + ACPI_REPORT_ERROR (( + "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n", header->signature, - ACPI_FORMAT_UINT64 (address->pointer.physical), header->length)); + ACPI_FORMAT_UINT64 (address->pointer.physical), + header->length)); return (status); } @@ -465,9 +481,8 @@ acpi_tb_get_table_ptr ( return_ACPI_STATUS (AE_OK); } - /* - * Check for instance out of range - */ + /* Check for instance out of range */ + if (instance > acpi_gbl_table_lists[table_type].count) { return_ACPI_STATUS (AE_NOT_EXIST); } diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c index adc4270988bc..eea5b8cb5ebb 100644 --- a/drivers/acpi/tables/tbgetall.c +++ b/drivers/acpi/tables/tbgetall.c @@ -49,6 +49,19 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbgetall") +/* Local prototypes */ + +static acpi_status +acpi_tb_get_primary_table ( + struct acpi_pointer *address, + struct acpi_table_desc *table_info); + +static acpi_status +acpi_tb_get_secondary_table ( + struct acpi_pointer *address, + acpi_string signature, + struct acpi_table_desc *table_info); + /******************************************************************************* * @@ -63,7 +76,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_tb_get_primary_table ( struct acpi_pointer *address, struct acpi_table_desc *table_info) @@ -81,9 +94,8 @@ acpi_tb_get_primary_table ( return_ACPI_STATUS (AE_OK); } - /* - * Get the header in order to get signature and table size - */ + /* Get the header in order to get signature and table size */ + status = acpi_tb_get_table_header (address, &header); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); @@ -130,7 +142,7 @@ acpi_tb_get_primary_table ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_tb_get_secondary_table ( struct acpi_pointer *address, acpi_string signature, @@ -153,7 +165,8 @@ acpi_tb_get_secondary_table ( /* Signature must match request */ if (ACPI_STRNCMP (header.signature, signature, ACPI_NAME_SIZE)) { - ACPI_REPORT_ERROR (("Incorrect table signature - wanted [%s] found [%4.4s]\n", + ACPI_REPORT_ERROR (( + "Incorrect table signature - wanted [%s] found [%4.4s]\n", signature, header.signature)); return_ACPI_STATUS (AE_BAD_SIGNATURE); } @@ -230,7 +243,8 @@ acpi_tb_get_required_tables ( for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { /* Get the table address from the common internal XSDT */ - address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i]; + address.pointer.value = + acpi_gbl_XSDT->table_offset_entry[i]; /* * Get the tables needed by this subsystem (FADT and any SSDTs). @@ -252,18 +266,18 @@ acpi_tb_get_required_tables ( } /* - * Convert the FADT to a common format. This allows earlier revisions of the - * table to coexist with newer versions, using common access code. + * Convert the FADT to a common format. This allows earlier revisions of + * the table to coexist with newer versions, using common access code. */ status = acpi_tb_convert_table_fadt (); if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not convert FADT to internal common format\n")); + ACPI_REPORT_ERROR (( + "Could not convert FADT to internal common format\n")); return_ACPI_STATUS (status); } - /* - * Get the FACS (Pointed to by the FADT) - */ + /* Get the FACS (Pointed to by the FADT) */ + address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl; status = acpi_tb_get_secondary_table (&address, FACS_SIG, &table_info); @@ -282,9 +296,8 @@ acpi_tb_get_required_tables ( return_ACPI_STATUS (status); } - /* - * Get/install the DSDT (Pointed to by the FADT) - */ + /* Get/install the DSDT (Pointed to by the FADT) */ + address.pointer.value = acpi_gbl_FADT->Xdsdt; status = acpi_tb_get_secondary_table (&address, DSDT_SIG, &table_info); diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c index 85d5bb01022c..629b64c8193d 100644 --- a/drivers/acpi/tables/tbinstal.c +++ b/drivers/acpi/tables/tbinstal.c @@ -49,6 +49,14 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbinstal") +/* Local prototypes */ + +static acpi_status +acpi_tb_match_signature ( + char *signature, + struct acpi_table_desc *table_info, + u8 search_type); + /******************************************************************************* * @@ -56,6 +64,7 @@ * * PARAMETERS: Signature - Table signature to match * table_info - Return data + * search_type - Table type to match (primary/secondary) * * RETURN: Status * @@ -64,7 +73,7 @@ * ******************************************************************************/ -acpi_status +static acpi_status acpi_tb_match_signature ( char *signature, struct acpi_table_desc *table_info, @@ -76,9 +85,8 @@ acpi_tb_match_signature ( ACPI_FUNCTION_TRACE ("tb_match_signature"); - /* - * Search for a signature match among the known table types - */ + /* Search for a signature match among the known table types */ + for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { if (!(acpi_gbl_table_data[i].flags & search_type)) { continue; @@ -161,6 +169,7 @@ acpi_tb_install_table ( * FUNCTION: acpi_tb_recognize_table * * PARAMETERS: table_info - Return value from acpi_tb_get_table_body + * search_type - Table type to match (primary/secondary) * * RETURN: Status * @@ -203,7 +212,8 @@ acpi_tb_recognize_table ( * This can be any one of many valid ACPI tables, it just isn't one of * the tables that is consumed by the core subsystem */ - status = acpi_tb_match_signature (table_header->signature, table_info, search_type); + status = acpi_tb_match_signature (table_header->signature, + table_info, search_type); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -253,9 +263,8 @@ acpi_tb_init_table_descriptor ( return_ACPI_STATUS (AE_NO_MEMORY); } - /* - * Install the table into the global data structure - */ + /* Install the table into the global data structure */ + list_head = &acpi_gbl_table_lists[table_type]; /* @@ -316,7 +325,8 @@ acpi_tb_init_table_descriptor ( table_desc->aml_start = (u8 *) (table_desc->pointer + 1), table_desc->aml_length = (u32) (table_desc->length - (u32) sizeof (struct acpi_table_header)); - table_desc->table_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_TABLE); + table_desc->table_id = acpi_ut_allocate_owner_id ( + ACPI_OWNER_TYPE_TABLE); table_desc->loaded_into_namespace = FALSE; /* @@ -349,7 +359,8 @@ acpi_tb_init_table_descriptor ( ******************************************************************************/ void -acpi_tb_delete_all_tables (void) +acpi_tb_delete_all_tables ( + void) { acpi_table_type type; diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c index 9c6913238d52..b7ffe39c3626 100644 --- a/drivers/acpi/tables/tbrsdt.c +++ b/drivers/acpi/tables/tbrsdt.c @@ -84,8 +84,9 @@ acpi_tb_verify_rsdp ( /* * Obtain access to the RSDP structure */ - status = acpi_os_map_memory (address->pointer.physical, sizeof (struct rsdp_descriptor), - (void *) &rsdp); + status = acpi_os_map_memory (address->pointer.physical, + sizeof (struct rsdp_descriptor), + (void *) &rsdp); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -154,9 +155,9 @@ cleanup: * * FUNCTION: acpi_tb_get_rsdt_address * - * PARAMETERS: None + * PARAMETERS: out_address - Where the address is returned * - * RETURN: RSDT physical address + * RETURN: None, Address * * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the * version of the RSDP @@ -181,7 +182,8 @@ acpi_tb_get_rsdt_address ( out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address; } else { - out_address->pointer.value = acpi_gbl_RSDP->xsdt_physical_address; + out_address->pointer.value = + acpi_gbl_RSDP->xsdt_physical_address; } } @@ -224,7 +226,8 @@ acpi_tb_validate_rsdt ( if (no_match) { /* Invalid RSDT or XSDT signature */ - ACPI_REPORT_ERROR (("Invalid signature where RSDP indicates RSDT/XSDT should be located\n")); + ACPI_REPORT_ERROR (( + "Invalid signature where RSDP indicates RSDT/XSDT should be located\n")); ACPI_DUMP_BUFFER (acpi_gbl_RSDP, 20); @@ -282,6 +285,7 @@ acpi_tb_get_table_rsdt ( if (ACPI_FAILURE (status)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not get the RSDT/XSDT, %s\n", acpi_format_exception (status))); + return_ACPI_STATUS (status); } @@ -299,7 +303,8 @@ acpi_tb_get_table_rsdt ( /* Get the number of tables defined in the RSDT or XSDT */ - acpi_gbl_rsdt_table_count = acpi_tb_get_table_count (acpi_gbl_RSDP, table_info.pointer); + acpi_gbl_rsdt_table_count = acpi_tb_get_table_count (acpi_gbl_RSDP, + table_info.pointer); /* Convert and/or copy to an XSDT structure */ diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c index fede5804c783..e69d01d443d2 100644 --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -49,48 +49,14 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbutils") +/* Local prototypes */ -/******************************************************************************* - * - * FUNCTION: acpi_tb_handle_to_object - * - * PARAMETERS: table_id - Id for which the function is searching - * table_desc - Pointer to return the matching table - * descriptor. - * - * RETURN: Search the tables to find one with a matching table_id and - * return a pointer to that table descriptor. - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE +#ifdef ACPI_OBSOLETE_FUNCTIONS acpi_status acpi_tb_handle_to_object ( u16 table_id, - struct acpi_table_desc **return_table_desc) -{ - u32 i; - struct acpi_table_desc *table_desc; - - - ACPI_FUNCTION_NAME ("tb_handle_to_object"); - - - for (i = 0; i < ACPI_TABLE_MAX; i++) { - table_desc = acpi_gbl_table_lists[i].next; - while (table_desc) { - if (table_desc->table_id == table_id) { - *return_table_desc = table_desc; - return (AE_OK); - } - - table_desc = table_desc->next; - } - } - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "table_id=%X does not exist\n", table_id)); - return (AE_BAD_PARAMETER); -} -#endif /* ACPI_FUTURE_USAGE */ + struct acpi_table_desc **table_desc); +#endif /******************************************************************************* @@ -128,6 +94,7 @@ acpi_tb_validate_table_header ( if (!acpi_os_readable (table_header, sizeof (struct acpi_table_header))) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Cannot read table header at %p\n", table_header)); + return (AE_BAD_ADDRESS); } @@ -141,6 +108,7 @@ acpi_tb_validate_table_header ( ACPI_REPORT_WARNING (("Invalid table signature found: [%4.4s]\n", (char *) &signature)); + ACPI_DUMP_BUFFER (table_header, sizeof (struct acpi_table_header)); return (AE_BAD_SIGNATURE); } @@ -154,6 +122,7 @@ acpi_tb_validate_table_header ( ACPI_REPORT_WARNING (("Invalid table header length (0x%X) found\n", (u32) table_header->length)); + ACPI_DUMP_BUFFER (table_header, sizeof (struct acpi_table_header)); return (AE_BAD_HEADER); } @@ -193,8 +162,10 @@ acpi_tb_verify_table_checksum ( /* Return the appropriate exception */ if (checksum) { - ACPI_REPORT_WARNING (("Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n", - table_header->signature, (u32) table_header->checksum, (u32) checksum)); + ACPI_REPORT_WARNING (( + "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n", + table_header->signature, (u32) table_header->checksum, + (u32) checksum)); status = AE_BAD_CHECKSUM; } @@ -209,7 +180,7 @@ acpi_tb_verify_table_checksum ( * PARAMETERS: Buffer - Buffer to checksum * Length - Size of the buffer * - * RETURNS 8 bit checksum of buffer + * RETURN: 8 bit checksum of buffer * * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it. * @@ -238,3 +209,47 @@ acpi_tb_checksum ( } +#ifdef ACPI_OBSOLETE_FUNCTIONS +/******************************************************************************* + * + * FUNCTION: acpi_tb_handle_to_object + * + * PARAMETERS: table_id - Id for which the function is searching + * table_desc - Pointer to return the matching table + * descriptor. + * + * RETURN: Search the tables to find one with a matching table_id and + * return a pointer to that table descriptor. + * + ******************************************************************************/ + +acpi_status +acpi_tb_handle_to_object ( + u16 table_id, + struct acpi_table_desc **return_table_desc) +{ + u32 i; + struct acpi_table_desc *table_desc; + + + ACPI_FUNCTION_NAME ("tb_handle_to_object"); + + + for (i = 0; i < ACPI_TABLE_MAX; i++) { + table_desc = acpi_gbl_table_lists[i].next; + while (table_desc) { + if (table_desc->table_id == table_id) { + *return_table_desc = table_desc; + return (AE_OK); + } + + table_desc = table_desc->next; + } + } + + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "table_id=%X does not exist\n", table_id)); + return (AE_BAD_PARAMETER); +} +#endif + + diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index 7715043461c4..0c0b9085dbeb 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -67,7 +67,8 @@ ******************************************************************************/ acpi_status -acpi_load_tables (void) +acpi_load_tables ( + void) { struct acpi_pointer rsdp_address; acpi_status status; @@ -82,7 +83,7 @@ acpi_load_tables (void) &rsdp_address); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (("acpi_load_tables: Could not get RSDP, %s\n", - acpi_format_exception (status))); + acpi_format_exception (status))); goto error_exit; } @@ -93,7 +94,7 @@ acpi_load_tables (void) status = acpi_tb_verify_rsdp (&rsdp_address); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (("acpi_load_tables: RSDP Failed validation: %s\n", - acpi_format_exception (status))); + acpi_format_exception (status))); goto error_exit; } @@ -102,7 +103,7 @@ acpi_load_tables (void) status = acpi_tb_get_table_rsdt (); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (("acpi_load_tables: Could not load RSDT: %s\n", - acpi_format_exception (status))); + acpi_format_exception (status))); goto error_exit; } @@ -110,20 +111,20 @@ acpi_load_tables (void) status = acpi_tb_get_required_tables (); if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n", - acpi_format_exception (status))); + ACPI_REPORT_ERROR (( + "acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n", + acpi_format_exception (status))); goto error_exit; } ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); - /* Load the namespace from the tables */ status = acpi_ns_load_namespace (); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (("acpi_load_tables: Could not load namespace: %s\n", - acpi_format_exception (status))); + acpi_format_exception (status))); goto error_exit; } @@ -139,7 +140,6 @@ error_exit: #ifdef ACPI_FUTURE_USAGE - /******************************************************************************* * * FUNCTION: acpi_load_table @@ -250,7 +250,6 @@ acpi_unload_table ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* Find all tables of the requested type */ table_desc = acpi_gbl_table_lists[table_type].next; @@ -321,7 +320,6 @@ acpi_get_table_header ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* Get a pointer to the entire table */ status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr); @@ -329,23 +327,20 @@ acpi_get_table_header ( return_ACPI_STATUS (status); } - /* - * The function will return a NULL pointer if the table is not loaded - */ + /* The function will return a NULL pointer if the table is not loaded */ + if (tbl_ptr == NULL) { return_ACPI_STATUS (AE_NOT_EXIST); } - /* - * Copy the header to the caller's buffer - */ + /* Copy the header to the caller's buffer */ + ACPI_MEMCPY ((void *) out_table_header, (void *) tbl_ptr, - sizeof (struct acpi_table_header)); + sizeof (struct acpi_table_header)); return_ACPI_STATUS (status); } - #endif /* ACPI_FUTURE_USAGE */ /******************************************************************************* @@ -404,7 +399,6 @@ acpi_get_table ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* Get a pointer to the entire table */ status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr); @@ -423,9 +417,8 @@ acpi_get_table ( /* Get the table length */ if (table_type == ACPI_TABLE_RSDP) { - /* - * RSD PTR is the only "table" without a header - */ + /* RSD PTR is the only "table" without a header */ + table_length = sizeof (struct rsdp_descriptor); } else { diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c index 6e8072ebbac6..dc3c3f6a9f62 100644 --- a/drivers/acpi/tables/tbxfroot.c +++ b/drivers/acpi/tables/tbxfroot.c @@ -50,6 +50,18 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbxfroot") +/* Local prototypes */ + +static acpi_status +acpi_tb_find_rsdp ( + struct acpi_table_desc *table_info, + u32 flags); + +static u8 * +acpi_tb_scan_memory_for_rsdp ( + u8 *start_address, + u32 length); + /******************************************************************************* * @@ -57,7 +69,8 @@ * * PARAMETERS: Signature - String with ACPI table signature * oem_id - String with the table OEM ID - * oem_table_id - String with the OEM Table ID. + * oem_table_id - String with the OEM Table ID + * table_ptr - Where the table pointer is returned * * RETURN: Status * @@ -99,14 +112,13 @@ acpi_tb_find_table ( if (!acpi_gbl_DSDT) { return_ACPI_STATUS (AE_NO_ACPI_TABLES); } - table = acpi_gbl_DSDT; } else { /* Find the table */ status = acpi_get_firmware_table (signature, 1, - ACPI_LOGICAL_ADDRESSING, &table); + ACPI_LOGICAL_ADDRESSING, &table); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -114,14 +126,19 @@ acpi_tb_find_table ( /* Check oem_id and oem_table_id */ - if ((oem_id[0] && ACPI_STRNCMP ( - oem_id, table->oem_id, sizeof (table->oem_id))) || + if ((oem_id[0] && ACPI_STRNCMP ( + oem_id, table->oem_id, + sizeof (table->oem_id))) || + (oem_table_id[0] && ACPI_STRNCMP ( - oem_table_id, table->oem_table_id, sizeof (table->oem_table_id)))) { + oem_table_id, table->oem_table_id, + sizeof (table->oem_table_id)))) { return_ACPI_STATUS (AE_AML_NAME_NOT_FOUND); } - ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Found table [%4.4s]\n", table->signature)); + ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Found table [%4.4s]\n", + table->signature)); + *table_ptr = table; return_ACPI_STATUS (AE_OK); } @@ -191,8 +208,8 @@ acpi_get_firmware_table ( /* Map and validate the RSDP */ if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { - status = acpi_os_map_memory (address.pointer.physical, sizeof (struct rsdp_descriptor), - (void *) &acpi_gbl_RSDP); + status = acpi_os_map_memory (address.pointer.physical, + sizeof (struct rsdp_descriptor), (void *) &acpi_gbl_RSDP); if (ACPI_FAILURE (status)) { return_ACPI_STATUS (status); } @@ -203,7 +220,8 @@ acpi_get_firmware_table ( /* The signature and checksum must both be correct */ - if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) { + if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG, + sizeof (RSDP_SIG)-1) != 0) { /* Nope, BAD Signature */ return_ACPI_STATUS (AE_BAD_SIGNATURE); @@ -313,7 +331,8 @@ acpi_get_firmware_table ( cleanup: - acpi_os_unmap_memory (rsdt_info->pointer, (acpi_size) rsdt_info->pointer->length); + acpi_os_unmap_memory (rsdt_info->pointer, + (acpi_size) rsdt_info->pointer->length); ACPI_MEM_FREE (rsdt_info); if (header) { @@ -335,8 +354,8 @@ EXPORT_SYMBOL(acpi_get_firmware_table); * * FUNCTION: acpi_find_root_pointer * - * PARAMETERS: **rsdp_address - Where to place the RSDP address - * Flags - Logical/Physical addressing + * PARAMETERS: Flags - Logical/Physical addressing + * rsdp_address - Where to place the RSDP address * * RETURN: Status, Physical address of the RSDP * @@ -363,6 +382,7 @@ acpi_find_root_pointer ( ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "RSDP structure not found, %s Flags=%X\n", acpi_format_exception (status), flags)); + return_ACPI_STATUS (AE_NO_ACPI_TABLES); } @@ -385,7 +405,7 @@ acpi_find_root_pointer ( * ******************************************************************************/ -u8 * +static u8 * acpi_tb_scan_memory_for_rsdp ( u8 *start_address, u32 length) @@ -406,7 +426,8 @@ acpi_tb_scan_memory_for_rsdp ( mem_rover += ACPI_RSDP_SCAN_STEP) { /* The signature and checksum must both be correct */ - if (ACPI_STRNCMP ((char *) mem_rover, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) { + if (ACPI_STRNCMP ((char *) mem_rover, + RSDP_SIG, sizeof (RSDP_SIG) - 1) != 0) { /* No signature match, keep looking */ continue; @@ -450,7 +471,7 @@ acpi_tb_scan_memory_for_rsdp ( * * FUNCTION: acpi_tb_find_rsdp * - * PARAMETERS: *table_info - Where the table info is returned + * PARAMETERS: table_info - Where the table info is returned * Flags - Current memory mode (logical vs. * physical addressing) * @@ -468,7 +489,7 @@ acpi_tb_scan_memory_for_rsdp ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_tb_find_rsdp ( struct acpi_table_desc *table_info, u32 flags) @@ -483,43 +504,49 @@ acpi_tb_find_rsdp ( /* - * Scan supports either 1) Logical addressing or 2) Physical addressing + * Scan supports either logical addressing or physical addressing */ if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { - /* - * 1a) Get the location of the EBDA - */ - status = acpi_os_map_memory ((acpi_physical_address) ACPI_EBDA_PTR_LOCATION, - ACPI_EBDA_PTR_LENGTH, - (void *) &table_ptr); + /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */ + + status = acpi_os_map_memory ( + (acpi_physical_address) ACPI_EBDA_PTR_LOCATION, + ACPI_EBDA_PTR_LENGTH, (void *) &table_ptr); if (ACPI_FAILURE (status)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X for length %X\n", ACPI_EBDA_PTR_LOCATION, ACPI_EBDA_PTR_LENGTH)); + return_ACPI_STATUS (status); } ACPI_MOVE_16_TO_32 (&physical_address, table_ptr); - physical_address <<= 4; /* Convert segment to physical address */ + + /* Convert segment part to physical address */ + + physical_address <<= 4; acpi_os_unmap_memory (table_ptr, ACPI_EBDA_PTR_LENGTH); /* EBDA present? */ if (physical_address > 0x400) { /* - * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of 1_k length) + * 1b) Search EBDA paragraphs (EBDa is required to be a + * minimum of 1_k length) */ - status = acpi_os_map_memory ((acpi_physical_address) physical_address, - ACPI_EBDA_WINDOW_SIZE, - (void *) &table_ptr); + status = acpi_os_map_memory ( + (acpi_physical_address) physical_address, + ACPI_EBDA_WINDOW_SIZE, (void *) &table_ptr); if (ACPI_FAILURE (status)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X for length %X\n", physical_address, ACPI_EBDA_WINDOW_SIZE)); + return_ACPI_STATUS (status); } - mem_rover = acpi_tb_scan_memory_for_rsdp (table_ptr, ACPI_EBDA_WINDOW_SIZE); + mem_rover = acpi_tb_scan_memory_for_rsdp (table_ptr, + ACPI_EBDA_WINDOW_SIZE); acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE); if (mem_rover) { @@ -527,7 +554,8 @@ acpi_tb_find_rsdp ( physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr); - table_info->physical_address = (acpi_physical_address) physical_address; + table_info->physical_address = + (acpi_physical_address) physical_address; return_ACPI_STATUS (AE_OK); } } @@ -535,13 +563,15 @@ acpi_tb_find_rsdp ( /* * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh */ - status = acpi_os_map_memory ((acpi_physical_address) ACPI_HI_RSDP_WINDOW_BASE, - ACPI_HI_RSDP_WINDOW_SIZE, - (void *) &table_ptr); + status = acpi_os_map_memory ( + (acpi_physical_address) ACPI_HI_RSDP_WINDOW_BASE, + ACPI_HI_RSDP_WINDOW_SIZE, (void *) &table_ptr); + if (ACPI_FAILURE (status)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X for length %X\n", ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE)); + return_ACPI_STATUS (status); } @@ -551,9 +581,11 @@ acpi_tb_find_rsdp ( if (mem_rover) { /* Found it, return the physical address */ - physical_address = ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr); + physical_address = + ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr); - table_info->physical_address = (acpi_physical_address) physical_address; + table_info->physical_address = + (acpi_physical_address) physical_address; return_ACPI_STATUS (AE_OK); } } @@ -562,9 +594,8 @@ acpi_tb_find_rsdp ( * Physical addressing */ else { - /* - * 1a) Get the location of the EBDA - */ + /* 1a) Get the location of the EBDA */ + ACPI_MOVE_16_TO_32 (&physical_address, ACPI_EBDA_PTR_LOCATION); physical_address <<= 4; /* Convert segment to physical address */ @@ -572,9 +603,11 @@ acpi_tb_find_rsdp ( if (physical_address > 0x400) { /* - * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of 1_k length) + * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of + * 1_k length) */ - mem_rover = acpi_tb_scan_memory_for_rsdp (ACPI_PHYSADDR_TO_PTR (physical_address), + mem_rover = acpi_tb_scan_memory_for_rsdp ( + ACPI_PHYSADDR_TO_PTR (physical_address), ACPI_EBDA_WINDOW_SIZE); if (mem_rover) { /* Found it, return the physical address */ @@ -584,10 +617,10 @@ acpi_tb_find_rsdp ( } } - /* - * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh - */ - mem_rover = acpi_tb_scan_memory_for_rsdp (ACPI_PHYSADDR_TO_PTR (ACPI_HI_RSDP_WINDOW_BASE), + /* 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh */ + + mem_rover = acpi_tb_scan_memory_for_rsdp ( + ACPI_PHYSADDR_TO_PTR (ACPI_HI_RSDP_WINDOW_BASE), ACPI_HI_RSDP_WINDOW_SIZE); if (mem_rover) { /* Found it, return the physical address */ diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c index c84997c9f964..73b1d8aeae9d 100644 --- a/drivers/acpi/toshiba_acpi.c +++ b/drivers/acpi/toshiba_acpi.c @@ -263,6 +263,9 @@ dispatch_write(struct file* file, const char __user * buffer, * destination so that sscanf can be used on it safely. */ tmp_buffer = kmalloc(count + 1, GFP_KERNEL); + if(!tmp_buffer) + return -ENOMEM; + if (copy_from_user(tmp_buffer, buffer, count)) { result = -EFAULT; } @@ -529,6 +532,11 @@ toshiba_acpi_init(void) if (acpi_disabled) return -ENODEV; + + if (!acpi_specific_hotkey_enabled){ + printk(MY_INFO "Using generic hotkey driver\n"); + return -ENODEV; + } /* simple device detection: look for HCI method */ if (is_valid_acpi_path(METHOD_HCI_1)) method_hci = METHOD_HCI_1; diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c index 3313439c4bc7..c4e7f989a2bd 100644 --- a/drivers/acpi/utilities/utalloc.c +++ b/drivers/acpi/utilities/utalloc.c @@ -47,8 +47,35 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utalloc") +/* Local prototypes */ -/****************************************************************************** +#ifdef ACPI_DBG_TRACK_ALLOCATIONS +static struct acpi_debug_mem_block * +acpi_ut_find_allocation ( + u32 list_id, + void *allocation); + +static acpi_status +acpi_ut_track_allocation ( + u32 list_id, + struct acpi_debug_mem_block *address, + acpi_size size, + u8 alloc_type, + u32 component, + char *module, + u32 line); + +static acpi_status +acpi_ut_remove_allocation ( + u32 list_id, + struct acpi_debug_mem_block *address, + u32 component, + char *module, + u32 line); +#endif /* ACPI_DBG_TRACK_ALLOCATIONS */ + + +/******************************************************************************* * * FUNCTION: acpi_ut_release_to_cache * @@ -98,7 +125,8 @@ acpi_ut_release_to_cache ( /* Put the object at the head of the cache list */ - * (ACPI_CAST_INDIRECT_PTR (char, &(((char *) object)[cache_info->link_offset]))) = cache_info->list_head; + * (ACPI_CAST_INDIRECT_PTR (char, + &(((char *) object)[cache_info->link_offset]))) = cache_info->list_head; cache_info->list_head = object; cache_info->cache_depth++; @@ -115,7 +143,7 @@ acpi_ut_release_to_cache ( } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_acquire_from_cache * @@ -156,7 +184,8 @@ acpi_ut_acquire_from_cache ( /* There is an object available, use it */ object = cache_info->list_head; - cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) object)[cache_info->link_offset]))); + cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char, + &(((char *) object)[cache_info->link_offset]))); ACPI_MEM_TRACKING (cache_info->cache_hits++); cache_info->cache_depth--; @@ -201,7 +230,7 @@ acpi_ut_acquire_from_cache ( #ifdef ACPI_ENABLE_OBJECT_CACHE -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_delete_generic_cache * @@ -228,7 +257,8 @@ acpi_ut_delete_generic_cache ( while (cache_info->list_head) { /* Delete one cached state object */ - next = *(ACPI_CAST_INDIRECT_PTR (char, &(((char *) cache_info->list_head)[cache_info->link_offset]))); + next = *(ACPI_CAST_INDIRECT_PTR (char, + &(((char *) cache_info->list_head)[cache_info->link_offset]))); ACPI_MEM_FREE (cache_info->list_head); cache_info->list_head = next; @@ -497,8 +527,8 @@ acpi_ut_allocate_and_track ( acpi_status status; - allocation = acpi_ut_allocate (size + sizeof (struct acpi_debug_mem_header), component, - module, line); + allocation = acpi_ut_allocate (size + sizeof (struct acpi_debug_mem_header), + component, module, line); if (!allocation) { return (NULL); } @@ -543,8 +573,8 @@ acpi_ut_callocate_and_track ( acpi_status status; - allocation = acpi_ut_callocate (size + sizeof (struct acpi_debug_mem_header), component, - module, line); + allocation = acpi_ut_callocate (size + sizeof (struct acpi_debug_mem_header), + component, module, line); if (!allocation) { /* Report allocation error */ @@ -637,7 +667,7 @@ acpi_ut_free_and_track ( * ******************************************************************************/ -struct acpi_debug_mem_block * +static struct acpi_debug_mem_block * acpi_ut_find_allocation ( u32 list_id, void *allocation) @@ -686,7 +716,7 @@ acpi_ut_find_allocation ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_track_allocation ( u32 list_id, struct acpi_debug_mem_block *allocation, @@ -721,10 +751,12 @@ acpi_ut_track_allocation ( element = acpi_ut_find_allocation (list_id, allocation); if (element) { - ACPI_REPORT_ERROR (("ut_track_allocation: Allocation already present in list! (%p)\n", + ACPI_REPORT_ERROR (( + "ut_track_allocation: Allocation already present in list! (%p)\n", allocation)); - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", element, allocation)); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n", + element, allocation)); goto unlock_and_exit; } @@ -773,7 +805,7 @@ unlock_and_exit: * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_remove_allocation ( u32 list_id, struct acpi_debug_mem_block *allocation, @@ -797,7 +829,7 @@ acpi_ut_remove_allocation ( /* No allocations! */ _ACPI_REPORT_ERROR (module, line, component, - ("ut_remove_allocation: Empty allocation list, nothing to free!\n")); + ("ut_remove_allocation: Empty allocation list, nothing to free!\n")); return_ACPI_STATUS (AE_OK); } @@ -824,7 +856,8 @@ acpi_ut_remove_allocation ( ACPI_MEMSET (&allocation->user_space, 0xEA, allocation->size); - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n", allocation->size)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n", + allocation->size)); status = acpi_ut_release_mutex (ACPI_MTX_MEMORY); return_ACPI_STATUS (status); @@ -842,6 +875,7 @@ acpi_ut_remove_allocation ( * DESCRIPTION: Print some info about the outstanding allocations. * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE void acpi_ut_dump_allocation_info ( @@ -884,7 +918,8 @@ acpi_ut_dump_allocation_info ( ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, ("%30s: %4d (%3d Kb)\n", "Max Nodes", acpi_gbl_max_concurrent_node_count, - ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count * sizeof (struct acpi_namespace_node))))); + ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count * + sizeof (struct acpi_namespace_node))))); */ return_VOID; } @@ -933,26 +968,26 @@ acpi_ut_dump_allocations ( descriptor = ACPI_CAST_PTR (union acpi_descriptor, &element->user_space); if (descriptor->descriptor_id != ACPI_DESC_TYPE_CACHED) { acpi_os_printf ("%p Len %04X %9.9s-%d [%s] ", - descriptor, element->size, element->module, - element->line, acpi_ut_get_descriptor_name (descriptor)); + descriptor, element->size, element->module, + element->line, acpi_ut_get_descriptor_name (descriptor)); /* Most of the elements will be Operand objects. */ switch (ACPI_GET_DESCRIPTOR_TYPE (descriptor)) { case ACPI_DESC_TYPE_OPERAND: acpi_os_printf ("%12.12s R%hd", - acpi_ut_get_type_name (descriptor->object.common.type), - descriptor->object.common.reference_count); + acpi_ut_get_type_name (descriptor->object.common.type), + descriptor->object.common.reference_count); break; case ACPI_DESC_TYPE_PARSER: acpi_os_printf ("aml_opcode %04hX", - descriptor->op.asl.aml_opcode); + descriptor->op.asl.aml_opcode); break; case ACPI_DESC_TYPE_NAMED: acpi_os_printf ("%4.4s", - acpi_ut_get_node_name (&descriptor->node)); + acpi_ut_get_node_name (&descriptor->node)); break; default: @@ -983,6 +1018,5 @@ acpi_ut_dump_allocations ( return_VOID; } - #endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */ diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c index 0fcd98bde0d1..11e884957162 100644 --- a/drivers/acpi/utilities/utcopy.c +++ b/drivers/acpi/utilities/utcopy.c @@ -49,21 +49,69 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utcopy") +/* Local prototypes */ + +static acpi_status +acpi_ut_copy_isimple_to_esimple ( + union acpi_operand_object *internal_object, + union acpi_object *external_object, + u8 *data_space, + acpi_size *buffer_space_used); + +static acpi_status +acpi_ut_copy_ielement_to_ielement ( + u8 object_type, + union acpi_operand_object *source_object, + union acpi_generic_state *state, + void *context); + +static acpi_status +acpi_ut_copy_ipackage_to_epackage ( + union acpi_operand_object *internal_object, + u8 *buffer, + acpi_size *space_used); + +static acpi_status +acpi_ut_copy_esimple_to_isimple( + union acpi_object *user_obj, + union acpi_operand_object **return_obj); + +static acpi_status +acpi_ut_copy_simple_object ( + union acpi_operand_object *source_desc, + union acpi_operand_object *dest_desc); + +static acpi_status +acpi_ut_copy_ielement_to_eelement ( + u8 object_type, + union acpi_operand_object *source_object, + union acpi_generic_state *state, + void *context); + +static acpi_status +acpi_ut_copy_ipackage_to_ipackage ( + union acpi_operand_object *source_obj, + union acpi_operand_object *dest_obj, + struct acpi_walk_state *walk_state); + /******************************************************************************* * * FUNCTION: acpi_ut_copy_isimple_to_esimple * - * PARAMETERS: *internal_object - Pointer to the object we are examining - * *Buffer - Where the object is returned - * *space_used - Where the data length is returned + * PARAMETERS: internal_object - Source object to be copied + * external_object - Where to return the copied object + * data_space - Where object data is returned (such as + * buffer and string data) + * buffer_space_used - Length of data_space that was used * * RETURN: Status * - * DESCRIPTION: This function is called to place a simple object in a user - * buffer. + * DESCRIPTION: This function is called to copy a simple internal object to + * an external object. * - * The buffer is assumed to have sufficient space for the object. + * The data_space buffer is assumed to have sufficient space for + * the object. * ******************************************************************************/ @@ -107,10 +155,12 @@ acpi_ut_copy_isimple_to_esimple ( external_object->string.pointer = (char *) data_space; external_object->string.length = internal_object->string.length; - *buffer_space_used = ACPI_ROUND_UP_TO_NATIVE_WORD ((acpi_size) internal_object->string.length + 1); + *buffer_space_used = ACPI_ROUND_UP_TO_NATIVE_WORD ( + (acpi_size) internal_object->string.length + 1); - ACPI_MEMCPY ((void *) data_space, (void *) internal_object->string.pointer, - (acpi_size) internal_object->string.length + 1); + ACPI_MEMCPY ((void *) data_space, + (void *) internal_object->string.pointer, + (acpi_size) internal_object->string.length + 1); break; @@ -118,10 +168,12 @@ acpi_ut_copy_isimple_to_esimple ( external_object->buffer.pointer = data_space; external_object->buffer.length = internal_object->buffer.length; - *buffer_space_used = ACPI_ROUND_UP_TO_NATIVE_WORD (internal_object->string.length); + *buffer_space_used = ACPI_ROUND_UP_TO_NATIVE_WORD ( + internal_object->string.length); - ACPI_MEMCPY ((void *) data_space, (void *) internal_object->buffer.pointer, - internal_object->buffer.length); + ACPI_MEMCPY ((void *) data_space, + (void *) internal_object->buffer.pointer, + internal_object->buffer.length); break; @@ -194,7 +246,7 @@ acpi_ut_copy_isimple_to_esimple ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_copy_ielement_to_eelement ( u8 object_type, union acpi_operand_object *source_object, @@ -213,7 +265,7 @@ acpi_ut_copy_ielement_to_eelement ( this_index = state->pkg.index; target_object = (union acpi_object *) - &((union acpi_object *)(state->pkg.dest_object))->package.elements[this_index]; + &((union acpi_object *)(state->pkg.dest_object))->package.elements[this_index]; switch (object_type) { case ACPI_COPY_TYPE_SIMPLE: @@ -236,7 +288,8 @@ acpi_ut_copy_ielement_to_eelement ( */ target_object->type = ACPI_TYPE_PACKAGE; target_object->package.count = source_object->package.count; - target_object->package.elements = ACPI_CAST_PTR (union acpi_object, info->free_space); + target_object->package.elements = + ACPI_CAST_PTR (union acpi_object, info->free_space); /* * Pass the new package object back to the package walk routine @@ -248,7 +301,8 @@ acpi_ut_copy_ielement_to_eelement ( * update the buffer length counter */ object_space = ACPI_ROUND_UP_TO_NATIVE_WORD ( - (acpi_size) target_object->package.count * sizeof (union acpi_object)); + (acpi_size) target_object->package.count * + sizeof (union acpi_object)); break; @@ -266,9 +320,9 @@ acpi_ut_copy_ielement_to_eelement ( * * FUNCTION: acpi_ut_copy_ipackage_to_epackage * - * PARAMETERS: *internal_object - Pointer to the object we are returning - * *Buffer - Where the object is returned - * *space_used - Where the object length is returned + * PARAMETERS: internal_object - Pointer to the object we are returning + * Buffer - Where the object is returned + * space_used - Where the object length is returned * * RETURN: Status * @@ -304,13 +358,15 @@ acpi_ut_copy_ipackage_to_epackage ( * Free space begins right after the first package */ info.length = ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (union acpi_object)); - info.free_space = buffer + ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (union acpi_object)); + info.free_space = buffer + ACPI_ROUND_UP_TO_NATIVE_WORD ( + sizeof (union acpi_object)); info.object_space = 0; info.num_packages = 1; external_object->type = ACPI_GET_OBJECT_TYPE (internal_object); external_object->package.count = internal_object->package.count; - external_object->package.elements = ACPI_CAST_PTR (union acpi_object, info.free_space); + external_object->package.elements = ACPI_CAST_PTR (union acpi_object, + info.free_space); /* * Leave room for an array of ACPI_OBJECTS in the buffer @@ -333,8 +389,8 @@ acpi_ut_copy_ipackage_to_epackage ( * * FUNCTION: acpi_ut_copy_iobject_to_eobject * - * PARAMETERS: *internal_object - The internal object to be converted - * *buffer_ptr - Where the object is returned + * PARAMETERS: internal_object - The internal object to be converted + * buffer_ptr - Where the object is returned * * RETURN: Status * @@ -367,10 +423,10 @@ acpi_ut_copy_iobject_to_eobject ( * Build a simple object (no nested objects) */ status = acpi_ut_copy_isimple_to_esimple (internal_object, - (union acpi_object *) ret_buffer->pointer, - ((u8 *) ret_buffer->pointer + - ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (union acpi_object))), - &ret_buffer->length); + (union acpi_object *) ret_buffer->pointer, + ((u8 *) ret_buffer->pointer + + ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (union acpi_object))), + &ret_buffer->length); /* * build simple does not include the object size in the length * so we add it in here @@ -386,8 +442,8 @@ acpi_ut_copy_iobject_to_eobject ( * * FUNCTION: acpi_ut_copy_esimple_to_isimple * - * PARAMETERS: *external_object - The external object to be converted - * *internal_object - Where the internal object is returned + * PARAMETERS: external_object - The external object to be converted + * ret_internal_object - Where the internal object is returned * * RETURN: Status * @@ -398,7 +454,7 @@ acpi_ut_copy_iobject_to_eobject ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_copy_esimple_to_isimple ( union acpi_object *external_object, union acpi_operand_object **ret_internal_object) @@ -417,7 +473,8 @@ acpi_ut_copy_esimple_to_isimple ( case ACPI_TYPE_BUFFER: case ACPI_TYPE_INTEGER: - internal_object = acpi_ut_create_internal_object ((u8) external_object->type); + internal_object = acpi_ut_create_internal_object ( + (u8) external_object->type); if (!internal_object) { return_ACPI_STATUS (AE_NO_MEMORY); } @@ -486,7 +543,6 @@ error_exit: #ifdef ACPI_FUTURE_IMPLEMENTATION - /* Code to convert packages that are parameters to control methods */ /******************************************************************************* @@ -614,7 +670,7 @@ acpi_ut_copy_eobject_to_iobject ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_copy_simple_object ( union acpi_operand_object *source_desc, union acpi_operand_object *dest_desc) @@ -724,7 +780,7 @@ acpi_ut_copy_simple_object ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_copy_ielement_to_ielement ( u8 object_type, union acpi_operand_object *source_object, @@ -837,7 +893,7 @@ error_exit: * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_copy_ipackage_to_ipackage ( union acpi_operand_object *source_obj, union acpi_operand_object *dest_obj, diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index 985c5d045b78..794c7df3f2ad 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -56,7 +56,7 @@ static char *acpi_gbl_fn_entry_str = "----Entry"; static char *acpi_gbl_fn_exit_str = "----Exit-"; -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_init_stack_ptr_trace * @@ -64,9 +64,9 @@ static char *acpi_gbl_fn_exit_str = "----Exit-"; * * RETURN: None * - * DESCRIPTION: Save the current stack pointer + * DESCRIPTION: Save the current CPU stack pointer at subsystem startup * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_init_stack_ptr_trace ( @@ -79,7 +79,7 @@ acpi_ut_init_stack_ptr_trace ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_track_stack_ptr * @@ -87,9 +87,9 @@ acpi_ut_init_stack_ptr_trace ( * * RETURN: None * - * DESCRIPTION: Save the current stack pointer + * DESCRIPTION: Save the current CPU stack pointer * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_track_stack_ptr ( @@ -110,16 +110,16 @@ acpi_ut_track_stack_ptr ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_debug_print * - * PARAMETERS: debug_level - Requested debug print level - * proc_name - Caller's procedure name - * module_name - Caller's module name (for error output) + * PARAMETERS: requested_debug_level - Requested debug print level * line_number - Caller's line number (for error output) - * component_id - Caller's component ID (for error output) - * + * dbg_info - Contains: + * proc_name - Caller's procedure name + * module_name - Caller's module name + * component_id - Caller's component ID * Format - Printf format field * ... - Optional printf arguments * @@ -128,7 +128,7 @@ acpi_ut_track_stack_ptr ( * DESCRIPTION: Print error message with prefix consisting of the module name, * line number, and component ID. * - ****************************************************************************/ + ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE acpi_ut_debug_print ( @@ -157,7 +157,8 @@ acpi_ut_debug_print ( if (thread_id != acpi_gbl_prev_thread_id) { if (ACPI_LV_THREADS & acpi_dbg_level) { - acpi_os_printf ("\n**** Context Switch from TID %X to TID %X ****\n\n", + acpi_os_printf ( + "\n**** Context Switch from TID %X to TID %X ****\n\n", acpi_gbl_prev_thread_id, thread_id); } @@ -174,15 +175,16 @@ acpi_ut_debug_print ( acpi_os_printf ("[%04lX] ", thread_id); } - acpi_os_printf ("[%02ld] %-22.22s: ", acpi_gbl_nesting_level, dbg_info->proc_name); + acpi_os_printf ("[%02ld] %-22.22s: ", + acpi_gbl_nesting_level, dbg_info->proc_name); va_start (args, format); acpi_os_vprintf (format, args); } -EXPORT_SYMBOL(acpi_ut_debug_print); +EXPORT_SYMBOL(acpi_ut_debug_print); -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_debug_print_raw * @@ -200,7 +202,7 @@ EXPORT_SYMBOL(acpi_ut_debug_print); * DESCRIPTION: Print message with no headers. Has same interface as * debug_print so that the same macros can be used. * - ****************************************************************************/ + ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE acpi_ut_debug_print_raw ( @@ -224,7 +226,7 @@ acpi_ut_debug_print_raw ( EXPORT_SYMBOL(acpi_ut_debug_print_raw); -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_trace * @@ -239,7 +241,7 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw); * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_trace ( @@ -256,7 +258,7 @@ acpi_ut_trace ( EXPORT_SYMBOL(acpi_ut_trace); -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_trace_ptr * @@ -272,7 +274,7 @@ EXPORT_SYMBOL(acpi_ut_trace); * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_trace_ptr ( @@ -288,7 +290,7 @@ acpi_ut_trace_ptr ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_trace_str * @@ -304,7 +306,7 @@ acpi_ut_trace_ptr ( * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_trace_str ( @@ -321,7 +323,7 @@ acpi_ut_trace_str ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_trace_u32 * @@ -337,7 +339,7 @@ acpi_ut_trace_str ( * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_trace_u32 ( @@ -354,7 +356,7 @@ acpi_ut_trace_u32 ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_exit * @@ -369,7 +371,7 @@ acpi_ut_trace_u32 ( * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_exit ( @@ -385,7 +387,7 @@ acpi_ut_exit ( EXPORT_SYMBOL(acpi_ut_exit); -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_status_exit * @@ -401,7 +403,7 @@ EXPORT_SYMBOL(acpi_ut_exit); * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit status also. * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_status_exit ( @@ -426,7 +428,7 @@ acpi_ut_status_exit ( EXPORT_SYMBOL(acpi_ut_status_exit); -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_value_exit * @@ -442,7 +444,7 @@ EXPORT_SYMBOL(acpi_ut_status_exit); * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_value_exit ( @@ -460,7 +462,7 @@ acpi_ut_value_exit ( EXPORT_SYMBOL(acpi_ut_value_exit); -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_ptr_exit * @@ -469,14 +471,14 @@ EXPORT_SYMBOL(acpi_ut_value_exit); * proc_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Value - Value to be printed with exit msg + * Ptr - Pointer to display * * RETURN: None * * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_ptr_exit ( @@ -494,7 +496,7 @@ acpi_ut_ptr_exit ( #endif -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_dump_buffer * @@ -507,7 +509,7 @@ acpi_ut_ptr_exit ( * * DESCRIPTION: Generic dump buffer in both hex and ascii. * - ****************************************************************************/ + ******************************************************************************/ void acpi_ut_dump_buffer ( @@ -533,34 +535,28 @@ acpi_ut_dump_buffer ( display = DB_BYTE_DISPLAY; } - acpi_os_printf ("\nOffset Value\n"); + /* Nasty little dump buffer routine! */ - /* - * Nasty little dump buffer routine! - */ while (i < count) { /* Print current offset */ - acpi_os_printf ("%05X ", (u32) i); + acpi_os_printf ("%6.4X: ", (u32) i); /* Print 16 hex chars */ for (j = 0; j < 16;) { if (i + j >= count) { - acpi_os_printf ("\n"); - return; - } + /* Dump fill spaces */ - /* Make sure that the s8 doesn't get sign-extended! */ + acpi_os_printf ("%*s", ((display * 2) + 1), " "); + j += display; + continue; + } switch (display) { - /* Default is BYTE display */ + default: /* Default is BYTE display */ - default: - - acpi_os_printf ("%02X ", - *((u8 *) &buffer[i + j])); - j += 1; + acpi_os_printf ("%02X ", buffer[i + j]); break; @@ -568,7 +564,6 @@ acpi_ut_dump_buffer ( ACPI_MOVE_16_TO_32 (&temp32, &buffer[i + j]); acpi_os_printf ("%04X ", temp32); - j += 2; break; @@ -576,7 +571,6 @@ acpi_ut_dump_buffer ( ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j]); acpi_os_printf ("%08X ", temp32); - j += 4; break; @@ -587,15 +581,17 @@ acpi_ut_dump_buffer ( ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j + 4]); acpi_os_printf ("%08X ", temp32); - j += 8; break; } + + j += display; } /* * Print the ASCII equivalent characters * But watch out for the bad unprintable ones... */ + acpi_os_printf (" "); for (j = 0; j < 16; j++) { if (i + j >= count) { acpi_os_printf ("\n"); diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 9a52ad52a23a..bc5403022681 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -51,12 +51,23 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utdelete") +/* Local prototypes */ + +static void +acpi_ut_delete_internal_obj ( + union acpi_operand_object *object); + +static void +acpi_ut_update_ref_count ( + union acpi_operand_object *object, + u32 action); + /******************************************************************************* * * FUNCTION: acpi_ut_delete_internal_obj * - * PARAMETERS: *Object - Pointer to the list to be deleted + * PARAMETERS: Object - Object to be deleted * * RETURN: None * @@ -65,7 +76,7 @@ * ******************************************************************************/ -void +static void acpi_ut_delete_internal_obj ( union acpi_operand_object *object) { @@ -152,7 +163,8 @@ acpi_ut_delete_internal_obj ( case ACPI_TYPE_MUTEX: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Mutex %p, Semaphore %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Mutex %p, Semaphore %p\n", object, object->mutex.semaphore)); acpi_ex_unlink_mutex (object); @@ -162,7 +174,8 @@ acpi_ut_delete_internal_obj ( case ACPI_TYPE_EVENT: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Event %p, Semaphore %p\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Event %p, Semaphore %p\n", object, object->event.semaphore)); (void) acpi_os_delete_semaphore (object->event.semaphore); @@ -172,7 +185,8 @@ acpi_ut_delete_internal_obj ( case ACPI_TYPE_METHOD: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Method %p\n", object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Method %p\n", object)); /* Delete the method semaphore if it exists */ @@ -185,7 +199,8 @@ acpi_ut_delete_internal_obj ( case ACPI_TYPE_REGION: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Region %p\n", object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Region %p\n", object)); second_desc = acpi_ns_get_secondary_object (object); if (second_desc) { @@ -212,7 +227,8 @@ acpi_ut_delete_internal_obj ( case ACPI_TYPE_BUFFER_FIELD: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Buffer Field %p\n", object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "***** Buffer Field %p\n", object)); second_desc = acpi_ns_get_secondary_object (object); if (second_desc) { @@ -247,7 +263,7 @@ acpi_ut_delete_internal_obj ( * * FUNCTION: acpi_ut_delete_internal_object_list * - * PARAMETERS: *obj_list - Pointer to the list to be deleted + * PARAMETERS: obj_list - Pointer to the list to be deleted * * RETURN: None * @@ -283,7 +299,7 @@ acpi_ut_delete_internal_object_list ( * * FUNCTION: acpi_ut_update_ref_count * - * PARAMETERS: *Object - Object whose ref count is to be updated + * PARAMETERS: Object - Object whose ref count is to be updated * Action - What to do * * RETURN: New ref count @@ -312,7 +328,8 @@ acpi_ut_update_ref_count ( new_count = count; /* - * Perform the reference count action (increment, decrement, or force delete) + * Perform the reference count action + * (increment, decrement, or force delete) */ switch (action) { @@ -321,7 +338,8 @@ acpi_ut_update_ref_count ( new_count++; object->common.reference_count = new_count; - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Incremented]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, [Incremented]\n", object, new_count)); break; @@ -329,7 +347,8 @@ acpi_ut_update_ref_count ( case REF_DECREMENT: if (count < 1) { - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, can't decrement! (Set to 0)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, can't decrement! (Set to 0)\n", object, new_count)); new_count = 0; @@ -337,12 +356,14 @@ acpi_ut_update_ref_count ( else { new_count--; - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Decremented]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, [Decremented]\n", object, new_count)); } if (ACPI_GET_OBJECT_TYPE (object) == ACPI_TYPE_METHOD) { - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Method Obj %p Refs=%X, [Decremented]\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Method Obj %p Refs=%X, [Decremented]\n", object, new_count)); } @@ -356,7 +377,8 @@ acpi_ut_update_ref_count ( case REF_FORCE_DELETE: - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, Force delete! (Set to 0)\n", + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Obj %p Refs=%X, Force delete! (Set to 0)\n", object, count)); new_count = 0; @@ -390,7 +412,7 @@ acpi_ut_update_ref_count ( * * FUNCTION: acpi_ut_update_object_reference * - * PARAMETERS: *Object - Increment ref count for this object + * PARAMETERS: Object - Increment ref count for this object * and all sub-objects * Action - Either REF_INCREMENT or REF_DECREMENT or * REF_FORCE_DELETE @@ -431,7 +453,8 @@ acpi_ut_update_object_reference ( /* Make sure that this isn't a namespace handle */ if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) { - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p is NS handle\n", object)); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, + "Object %p is NS handle\n", object)); return_ACPI_STATUS (AE_OK); } @@ -614,8 +637,8 @@ error_exit: * * FUNCTION: acpi_ut_add_reference * - * PARAMETERS: *Object - Object whose reference count is to be - * incremented + * PARAMETERS: Object - Object whose reference count is to be + * incremented * * RETURN: None * @@ -652,7 +675,7 @@ acpi_ut_add_reference ( * * FUNCTION: acpi_ut_remove_reference * - * PARAMETERS: *Object - Object whose ref count will be decremented + * PARAMETERS: Object - Object whose ref count will be decremented * * RETURN: None * diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c index ead27d2c4d18..00046dd5d925 100644 --- a/drivers/acpi/utilities/uteval.c +++ b/drivers/acpi/utilities/uteval.c @@ -50,6 +50,19 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("uteval") +/* Local prototypes */ + +static void +acpi_ut_copy_id_string ( + char *destination, + char *source, + acpi_size max_length); + +static acpi_status +acpi_ut_translate_one_cid ( + union acpi_operand_object *obj_desc, + struct acpi_compatible_id *one_cid); + /******************************************************************************* * @@ -237,9 +250,9 @@ acpi_ut_evaluate_object ( * * FUNCTION: acpi_ut_evaluate_numeric_object * - * PARAMETERS: *object_name - Object name to be evaluated + * PARAMETERS: object_name - Object name to be evaluated * device_node - Node for the device - * *Address - Where the value is returned + * Address - Where the value is returned * * RETURN: Status * @@ -303,7 +316,6 @@ acpi_ut_copy_id_string ( acpi_size max_length) { - /* * Workaround for ID strings that have a leading asterisk. This construct * is not allowed by the ACPI specification (ID strings must be @@ -325,7 +337,7 @@ acpi_ut_copy_id_string ( * FUNCTION: acpi_ut_execute_HID * * PARAMETERS: device_node - Node for the device - * *Hid - Where the HID is returned + * Hid - Where the HID is returned * * RETURN: Status * @@ -429,7 +441,7 @@ acpi_ut_translate_one_cid ( * FUNCTION: acpi_ut_execute_CID * * PARAMETERS: device_node - Node for the device - * *Cid - Where the CID is returned + * return_cid_list - Where the CID list is returned * * RETURN: Status * @@ -488,10 +500,10 @@ acpi_ut_execute_CID ( cid_list->size = size; /* - * A _CID can return either a single compatible ID or a package of compatible - * IDs. Each compatible ID can be one of the following: - * -- Number (32 bit compressed EISA ID) or - * -- String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss"). + * A _CID can return either a single compatible ID or a package of + * compatible IDs. Each compatible ID can be one of the following: + * 1) Integer (32 bit compressed EISA ID) or + * 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss") */ /* The _CID object can be either a single CID or a package (list) of CIDs */ @@ -534,7 +546,7 @@ acpi_ut_execute_CID ( * FUNCTION: acpi_ut_execute_UID * * PARAMETERS: device_node - Node for the device - * *Uid - Where the UID is returned + * Uid - Where the UID is returned * * RETURN: Status * @@ -587,7 +599,7 @@ acpi_ut_execute_UID ( * FUNCTION: acpi_ut_execute_STA * * PARAMETERS: device_node - Node for the device - * *Flags - Where the status flags are returned + * Flags - Where the status flags are returned * * RETURN: Status * @@ -641,7 +653,7 @@ acpi_ut_execute_STA ( * FUNCTION: acpi_ut_execute_Sxds * * PARAMETERS: device_node - Node for the device - * *Flags - Where the status flags are returned + * Flags - Where the status flags are returned * * RETURN: Status * diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c index 25b0f8ae1bc6..4146019b543f 100644 --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -44,7 +44,6 @@ #define DEFINE_ACPI_GLOBALS #include <linux/module.h> - #include <acpi/acpi.h> #include <acpi/acnamesp.h> @@ -52,13 +51,14 @@ ACPI_MODULE_NAME ("utglobal") -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_format_exception * * PARAMETERS: Status - The acpi_status code to be formatted * - * RETURN: A string containing the exception text + * RETURN: A string containing the exception text. A valid pointer is + * always returned. * * DESCRIPTION: This function translates an ACPI exception into an ASCII string. * @@ -68,8 +68,8 @@ const char * acpi_format_exception ( acpi_status status) { - const char *exception = "UNKNOWN_STATUS_CODE"; acpi_status sub_status; + const char *exception = NULL; ACPI_FUNCTION_NAME ("format_exception"); @@ -82,57 +82,55 @@ acpi_format_exception ( if (sub_status <= AE_CODE_ENV_MAX) { exception = acpi_gbl_exception_names_env [sub_status]; - break; } - goto unknown; + break; case AE_CODE_PROGRAMMER: if (sub_status <= AE_CODE_PGM_MAX) { exception = acpi_gbl_exception_names_pgm [sub_status -1]; - break; } - goto unknown; + break; case AE_CODE_ACPI_TABLES: if (sub_status <= AE_CODE_TBL_MAX) { exception = acpi_gbl_exception_names_tbl [sub_status -1]; - break; } - goto unknown; + break; case AE_CODE_AML: if (sub_status <= AE_CODE_AML_MAX) { exception = acpi_gbl_exception_names_aml [sub_status -1]; - break; } - goto unknown; + break; case AE_CODE_CONTROL: if (sub_status <= AE_CODE_CTRL_MAX) { exception = acpi_gbl_exception_names_ctrl [sub_status -1]; - break; } - goto unknown; + break; default: - goto unknown; + break; } + if (!exception) { + /* Exception code was not recognized */ - return ((const char *) exception); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Unknown exception code: 0x%8.8X\n", status)); -unknown: + return ((const char *) "UNKNOWN_STATUS_CODE"); + } - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", status)); return ((const char *) exception); } -/****************************************************************************** +/******************************************************************************* * * Static global variable initialization. * @@ -212,13 +210,12 @@ const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STR }; -/****************************************************************************** +/******************************************************************************* * * Namespace globals * ******************************************************************************/ - /* * Predefined ACPI Names (Built-in to the Interpreter) * @@ -241,9 +238,11 @@ const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, #endif - {NULL, ACPI_TYPE_ANY, NULL} /* Table terminator */ -}; + /* Table terminator */ + + {NULL, ACPI_TYPE_ANY, NULL} +}; /* * Properties of the ACPI Object Types, both internal and external. @@ -288,22 +287,25 @@ const u8 acpi_gbl_ns_properties[] = /* Hex to ASCII conversion table */ static const char acpi_gbl_hex_to_ascii[] = - {'0','1','2','3','4','5','6','7', - '8','9','A','B','C','D','E','F'}; +{ + '0','1','2','3','4','5','6','7', + '8','9','A','B','C','D','E','F' +}; + -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_hex_to_ascii_char * * PARAMETERS: Integer - Contains the hex digit * Position - bit position of the digit within the - * integer + * integer (multiple of 4) * - * RETURN: Ascii character + * RETURN: The converted Ascii character * - * DESCRIPTION: Convert a hex digit to an ascii character + * DESCRIPTION: Convert a hex digit to an Ascii character * - ****************************************************************************/ + ******************************************************************************/ char acpi_ut_hex_to_ascii_char ( @@ -315,7 +317,7 @@ acpi_ut_hex_to_ascii_char ( } -/****************************************************************************** +/******************************************************************************* * * Table name globals * @@ -324,7 +326,7 @@ acpi_ut_hex_to_ascii_char ( * that are not used by the subsystem are simply ignored. * * Do NOT add any table to this list that is not consumed directly by this - * subsystem. + * subsystem (No MADT, ECDT, SBST, etc.) * ******************************************************************************/ @@ -391,7 +393,7 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVE /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, }; -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_get_region_name * @@ -401,7 +403,7 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVE * * DESCRIPTION: Translate a Space ID into a name string (Debug only) * - ****************************************************************************/ + ******************************************************************************/ /* Region type decoding */ @@ -429,7 +431,6 @@ acpi_ut_get_region_name ( { return ("user_defined_region"); } - else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { return ("invalid_space_id"); @@ -439,7 +440,7 @@ acpi_ut_get_region_name ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_get_event_name * @@ -449,7 +450,7 @@ acpi_ut_get_region_name ( * * DESCRIPTION: Translate a Event ID into a name string (Debug only) * - ****************************************************************************/ + ******************************************************************************/ /* Event type decoding */ @@ -477,7 +478,7 @@ acpi_ut_get_event_name ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_get_type_name * @@ -487,20 +488,21 @@ acpi_ut_get_event_name ( * * DESCRIPTION: Translate a Type ID into a name string (Debug only) * - ****************************************************************************/ + ******************************************************************************/ /* * Elements of acpi_gbl_ns_type_names below must match * one-to-one with values of acpi_object_type * - * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; when - * stored in a table it really means that we have thus far seen no evidence to - * indicate what type is actually going to be stored for this entry. + * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; + * when stored in a table it really means that we have thus far seen no + * evidence to indicate what type is actually going to be stored for this entry. */ static const char acpi_gbl_bad_type[] = "UNDEFINED"; -#define TYPE_NAME_LENGTH 12 /* Maximum length of each string */ -static const char *acpi_gbl_ns_type_names[] = /* printable names of ACPI types */ +/* Printable names of the ACPI object types */ + +static const char *acpi_gbl_ns_type_names[] = { /* 00 */ "Untyped", /* 01 */ "Integer", @@ -564,7 +566,7 @@ acpi_ut_get_object_type_name ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_get_node_name * @@ -574,7 +576,7 @@ acpi_ut_get_object_type_name ( * * DESCRIPTION: Validate the node and return the node's ACPI name. * - ****************************************************************************/ + ******************************************************************************/ char * acpi_ut_get_node_name ( @@ -618,7 +620,7 @@ acpi_ut_get_node_name ( } -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_get_descriptor_name * @@ -628,9 +630,11 @@ acpi_ut_get_node_name ( * * DESCRIPTION: Validate object and return the descriptor type * - ****************************************************************************/ + ******************************************************************************/ + +/* Printable names of object descriptor types */ -static const char *acpi_gbl_desc_type_names[] = /* printable names of descriptor types */ +static const char *acpi_gbl_desc_type_names[] = { /* 00 */ "Invalid", /* 01 */ "Cached", @@ -676,17 +680,18 @@ acpi_ut_get_descriptor_name ( * Strings and procedures used for debug only */ -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_get_mutex_name * - * PARAMETERS: None. + * PARAMETERS: mutex_id - The predefined ID for this mutex. * - * RETURN: Status + * RETURN: String containing the name of the mutex. Always returns a valid + * pointer. * * DESCRIPTION: Translate a mutex ID into a name string (Debug only) * - ****************************************************************************/ + ******************************************************************************/ char * acpi_ut_get_mutex_name ( @@ -700,21 +705,20 @@ acpi_ut_get_mutex_name ( return (acpi_gbl_mutex_names[mutex_id]); } - #endif -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_valid_object_type * * PARAMETERS: Type - Object type to be validated * - * RETURN: TRUE if valid object type + * RETURN: TRUE if valid object type, FALSE otherwise * * DESCRIPTION: Validate an object type * - ****************************************************************************/ + ******************************************************************************/ u8 acpi_ut_valid_object_type ( @@ -732,7 +736,7 @@ acpi_ut_valid_object_type ( } -/**************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_allocate_owner_id * @@ -740,7 +744,10 @@ acpi_ut_valid_object_type ( * * DESCRIPTION: Allocate a table or method owner id * - ***************************************************************************/ + * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and + * should be revisited (TBD) + * + ******************************************************************************/ acpi_owner_id acpi_ut_allocate_owner_id ( @@ -796,16 +803,18 @@ acpi_ut_allocate_owner_id ( } -/**************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_ut_init_globals * - * PARAMETERS: none + * PARAMETERS: None + * + * RETURN: None * * DESCRIPTION: Init library globals. All globals that require specific * initialization should be initialized here! * - ***************************************************************************/ + ******************************************************************************/ void acpi_ut_init_globals ( diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c index bdbadaf48d29..7f3713889ff0 100644 --- a/drivers/acpi/utilities/utinit.c +++ b/drivers/acpi/utilities/utinit.c @@ -49,19 +49,29 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utinit") +/* Local prototypes */ + +static void +acpi_ut_fadt_register_error ( + char *register_name, + u32 value, + acpi_size offset); + +static void acpi_ut_terminate ( + void); + /******************************************************************************* * * FUNCTION: acpi_ut_fadt_register_error * - * PARAMETERS: *register_name - Pointer to string identifying register + * PARAMETERS: register_name - Pointer to string identifying register * Value - Actual register contents value - * acpi_test_spec_section - TDS section containing assertion - * acpi_assertion - Assertion number being tested + * Offset - Byte offset in the FADT * * RETURN: AE_BAD_VALUE * - * DESCRIPTION: Display failure message and link failure to TDS assertion + * DESCRIPTION: Display failure message * ******************************************************************************/ @@ -166,12 +176,13 @@ acpi_ut_validate_fadt ( * * RETURN: none * - * DESCRIPTION: free global memory + * DESCRIPTION: Free global memory * ******************************************************************************/ -void -acpi_ut_terminate (void) +static void +acpi_ut_terminate ( + void) { struct acpi_gpe_block_info *gpe_block; struct acpi_gpe_block_info *next_gpe_block; @@ -183,8 +194,6 @@ acpi_ut_terminate (void) /* Free global tables, etc. */ - - /* Free global GPE blocks and related info structures */ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; @@ -221,7 +230,8 @@ acpi_ut_terminate (void) ******************************************************************************/ void -acpi_ut_subsystem_shutdown (void) +acpi_ut_subsystem_shutdown ( + void) { ACPI_FUNCTION_TRACE ("ut_subsystem_shutdown"); @@ -229,14 +239,16 @@ acpi_ut_subsystem_shutdown (void) /* Just exit if subsystem is already shutdown */ if (acpi_gbl_shutdown) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "ACPI Subsystem is already terminated\n")); return_VOID; } /* Subsystem appears active, go ahead and shut it down */ acpi_gbl_shutdown = TRUE; - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, + "Shutting down ACPI Subsystem...\n")); /* Close the acpi_event Handling */ diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/utilities/utmath.c index 2525c1a93547..0d527c91543c 100644 --- a/drivers/acpi/utilities/utmath.c +++ b/drivers/acpi/utilities/utmath.c @@ -259,6 +259,8 @@ acpi_ut_divide ( * * FUNCTION: acpi_ut_short_divide, acpi_ut_divide * + * PARAMETERS: See function headers above + * * DESCRIPTION: Native versions of the ut_divide functions. Use these if either * 1) The target is a 64-bit platform and therefore 64-bit * integer math is supported directly by the machine. diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index f6598547389b..f6de4ed3d527 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -49,12 +49,57 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utmisc") +/* Local prototypes */ + +static acpi_status +acpi_ut_create_mutex ( + acpi_mutex_handle mutex_id); + +static acpi_status +acpi_ut_delete_mutex ( + acpi_mutex_handle mutex_id); + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strupr (strupr) + * + * PARAMETERS: src_string - The source string to convert + * + * RETURN: Converted src_string (same as input pointer) + * + * DESCRIPTION: Convert string to uppercase + * + * NOTE: This is not a POSIX function, so it appears here, not in utclib.c + * + ******************************************************************************/ + +char * +acpi_ut_strupr ( + char *src_string) +{ + char *string; + + + ACPI_FUNCTION_ENTRY (); + + + /* Walk entire string, uppercasing the letters */ + + for (string = src_string; *string; string++) { + *string = (char) ACPI_TOUPPER (*string); + } + + return (src_string); +} + /******************************************************************************* * * FUNCTION: acpi_ut_print_string * * PARAMETERS: String - Null terminated ASCII string + * max_length - Maximum output length * * RETURN: None * @@ -148,6 +193,8 @@ acpi_ut_print_string ( * * PARAMETERS: Value - Value to be converted * + * RETURN: u32 integer with bytes swapped + * * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes) * ******************************************************************************/ @@ -160,7 +207,6 @@ acpi_ut_dword_byte_swap ( u32 value; u8 bytes[4]; } out; - union { u32 value; u8 bytes[4]; @@ -219,7 +265,8 @@ acpi_ut_set_integer_width ( * * FUNCTION: acpi_ut_display_init_pathname * - * PARAMETERS: obj_handle - Handle whose pathname will be displayed + * PARAMETERS: Type - Object type of the node + * obj_handle - Handle whose pathname will be displayed * Path - Additional path string to be appended. * (NULL if no extra path) * @@ -270,7 +317,8 @@ acpi_ut_display_init_pathname ( /* Print the object type and pathname */ - acpi_os_printf ("%-12s %s", acpi_ut_get_type_name (type), (char *) buffer.pointer); + acpi_os_printf ("%-12s %s", + acpi_ut_get_type_name (type), (char *) buffer.pointer); /* Extra path is used to append names like _STA, _INI, etc. */ @@ -288,9 +336,9 @@ acpi_ut_display_init_pathname ( * * FUNCTION: acpi_ut_valid_acpi_name * - * PARAMETERS: Character - The character to be examined + * PARAMETERS: Name - The name to be examined * - * RETURN: 1 if Character may appear in a name, else 0 + * RETURN: TRUE if the name is valid, FALSE otherwise * * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: * 1) Upper case alpha @@ -495,40 +543,6 @@ error_exit: /******************************************************************************* * - * FUNCTION: acpi_ut_strupr - * - * PARAMETERS: src_string - The source string to convert to - * - * RETURN: src_string - * - * DESCRIPTION: Convert string to uppercase - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE -char * -acpi_ut_strupr ( - char *src_string) -{ - char *string; - - - ACPI_FUNCTION_ENTRY (); - - - /* Walk entire string, uppercasing the letters */ - - for (string = src_string; *string; ) { - *string = (char) ACPI_TOUPPER (*string); - string++; - } - - return (src_string); -} -#endif /* ACPI_FUTURE_USAGE */ - - -/******************************************************************************* - * * FUNCTION: acpi_ut_mutex_initialize * * PARAMETERS: None. @@ -611,7 +625,7 @@ acpi_ut_mutex_terminate ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_create_mutex ( acpi_mutex_handle mutex_id) { @@ -648,7 +662,7 @@ acpi_ut_create_mutex ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_delete_mutex ( acpi_mutex_handle mutex_id) { @@ -715,16 +729,16 @@ acpi_ut_acquire_mutex ( if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) { if (i == mutex_id) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Mutex [%s] already acquired by this thread [%X]\n", - acpi_ut_get_mutex_name (mutex_id), this_thread_id)); + "Mutex [%s] already acquired by this thread [%X]\n", + acpi_ut_get_mutex_name (mutex_id), this_thread_id)); return (AE_ALREADY_ACQUIRED); } ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Invalid acquire order: Thread %X owns [%s], wants [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (i), - acpi_ut_get_mutex_name (mutex_id))); + "Invalid acquire order: Thread %X owns [%s], wants [%s]\n", + this_thread_id, acpi_ut_get_mutex_name (i), + acpi_ut_get_mutex_name (mutex_id))); return (AE_ACQUIRE_DEADLOCK); } @@ -733,22 +747,23 @@ acpi_ut_acquire_mutex ( #endif ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, - "Thread %X attempting to acquire Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id))); + "Thread %X attempting to acquire Mutex [%s]\n", + this_thread_id, acpi_ut_get_mutex_name (mutex_id))); status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1, ACPI_WAIT_FOREVER); if (ACPI_SUCCESS (status)) { ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id))); + this_thread_id, acpi_ut_get_mutex_name (mutex_id))); acpi_gbl_mutex_info[mutex_id].use_count++; acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id; } else { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not acquire Mutex [%s] %s\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id), - acpi_format_exception (status))); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Thread %X could not acquire Mutex [%s] %s\n", + this_thread_id, acpi_ut_get_mutex_name (mutex_id), + acpi_format_exception (status))); } return (status); @@ -793,8 +808,8 @@ acpi_ut_release_mutex ( */ if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Mutex [%s] is not acquired, cannot release\n", - acpi_ut_get_mutex_name (mutex_id))); + "Mutex [%s] is not acquired, cannot release\n", + acpi_ut_get_mutex_name (mutex_id))); return (AE_NOT_ACQUIRED); } @@ -812,8 +827,8 @@ acpi_ut_release_mutex ( } ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Invalid release order: owns [%s], releasing [%s]\n", - acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id))); + "Invalid release order: owns [%s], releasing [%s]\n", + acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id))); return (AE_RELEASE_DEADLOCK); } @@ -826,13 +841,14 @@ acpi_ut_release_mutex ( status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1); if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not release Mutex [%s] %s\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id), - acpi_format_exception (status))); + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "Thread %X could not release Mutex [%s] %s\n", + this_thread_id, acpi_ut_get_mutex_name (mutex_id), + acpi_format_exception (status))); } else { ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id))); + this_thread_id, acpi_ut_get_mutex_name (mutex_id))); } return (status); @@ -843,11 +859,11 @@ acpi_ut_release_mutex ( * * FUNCTION: acpi_ut_create_update_state_and_push * - * PARAMETERS: *Object - Object to be added to the new state + * PARAMETERS: Object - Object to be added to the new state * Action - Increment/Decrement * state_list - List the state will be added to * - * RETURN: None + * RETURN: Status * * DESCRIPTION: Create a new state and push it * @@ -885,15 +901,16 @@ acpi_ut_create_update_state_and_push ( * * FUNCTION: acpi_ut_create_pkg_state_and_push * - * PARAMETERS: *Object - Object to be added to the new state + * PARAMETERS: Object - Object to be added to the new state * Action - Increment/Decrement * state_list - List the state will be added to * - * RETURN: None + * RETURN: Status * * DESCRIPTION: Create a new state and push it * ******************************************************************************/ + #ifdef ACPI_FUTURE_USAGE acpi_status acpi_ut_create_pkg_state_and_push ( @@ -925,7 +942,7 @@ acpi_ut_create_pkg_state_and_push ( * PARAMETERS: list_head - Head of the state stack * State - State object to push * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Push a state object onto a state stack * @@ -954,7 +971,7 @@ acpi_ut_push_generic_state ( * * PARAMETERS: list_head - Head of the state stack * - * RETURN: Status + * RETURN: The popped state object * * DESCRIPTION: Pop a state object from a state stack * @@ -989,7 +1006,7 @@ acpi_ut_pop_generic_state ( * * PARAMETERS: None * - * RETURN: Status + * RETURN: The new state object. NULL on failure. * * DESCRIPTION: Create a generic state object. Attempt to obtain one from * the global state cache; If none available, create a new one. @@ -997,7 +1014,8 @@ acpi_ut_pop_generic_state ( ******************************************************************************/ union acpi_generic_state * -acpi_ut_create_generic_state (void) +acpi_ut_create_generic_state ( + void) { union acpi_generic_state *state; @@ -1023,7 +1041,7 @@ acpi_ut_create_generic_state (void) * * PARAMETERS: None * - * RETURN: Thread State + * RETURN: New Thread State. NULL on failure * * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used * to track per-thread info during method execution @@ -1060,11 +1078,10 @@ acpi_ut_create_thread_state ( * * FUNCTION: acpi_ut_create_update_state * - * PARAMETERS: Object - Initial Object to be installed in the - * state - * Action - Update action to be performed + * PARAMETERS: Object - Initial Object to be installed in the state + * Action - Update action to be performed * - * RETURN: Status + * RETURN: New state object, null on failure * * DESCRIPTION: Create an "Update State" - a flavor of the generic state used * to update reference counts and delete complex objects such @@ -1104,11 +1121,10 @@ acpi_ut_create_update_state ( * * FUNCTION: acpi_ut_create_pkg_state * - * PARAMETERS: Object - Initial Object to be installed in the - * state - * Action - Update action to be performed + * PARAMETERS: Object - Initial Object to be installed in the state + * Action - Update action to be performed * - * RETURN: Status + * RETURN: New state object, null on failure * * DESCRIPTION: Create a "Package State" * @@ -1151,7 +1167,7 @@ acpi_ut_create_pkg_state ( * * PARAMETERS: None * - * RETURN: Status + * RETURN: New state object, null on failure * * DESCRIPTION: Create a "Control State" - a flavor of the generic state used * to support nested IF/WHILE constructs in the AML. @@ -1190,7 +1206,7 @@ acpi_ut_create_control_state ( * * PARAMETERS: State - The state object to be deleted * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Put a state object back into the global state cache. The object * is not actually freed at this time. @@ -1216,7 +1232,7 @@ acpi_ut_delete_generic_state ( * * PARAMETERS: None * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Purge the global state object cache. Used during subsystem * termination. @@ -1240,7 +1256,10 @@ acpi_ut_delete_generic_state_cache ( * * FUNCTION: acpi_ut_walk_package_tree * - * PARAMETERS: obj_desc - The Package object on which to resolve refs + * PARAMETERS: source_object - The package to walk + * target_object - Target object (if package is being copied) + * walk_callback - Called once for each package element + * Context - Passed to the callback function * * RETURN: Status * @@ -1359,7 +1378,7 @@ acpi_ut_walk_package_tree ( * PARAMETERS: Buffer - Buffer to be scanned * Length - number of bytes to examine * - * RETURN: checksum + * RETURN: The generated checksum * * DESCRIPTION: Generate a checksum on a raw buffer * @@ -1442,7 +1461,6 @@ acpi_ut_get_resource_end_tag ( * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure * * RETURN: None * @@ -1457,7 +1475,6 @@ acpi_ut_report_error ( u32 component_id) { - acpi_os_printf ("%8s-%04d: *** Error: ", module_name, line_number); } @@ -1469,7 +1486,6 @@ acpi_ut_report_error ( * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure * * RETURN: None * @@ -1495,7 +1511,6 @@ acpi_ut_report_warning ( * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure * * RETURN: None * diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c index 9ee40a484e07..cd3899b9cc5a 100644 --- a/drivers/acpi/utilities/utobject.c +++ b/drivers/acpi/utilities/utobject.c @@ -50,6 +50,25 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utobject") +/* Local prototypes */ + +static acpi_status +acpi_ut_get_simple_object_size ( + union acpi_operand_object *obj, + acpi_size *obj_length); + +static acpi_status +acpi_ut_get_package_object_size ( + union acpi_operand_object *obj, + acpi_size *obj_length); + +static acpi_status +acpi_ut_get_element_length ( + u8 object_type, + union acpi_operand_object *source_object, + union acpi_generic_state *state, + void *context); + /******************************************************************************* * @@ -60,7 +79,7 @@ * component_id - Component type of caller * Type - ACPI Type of the new object * - * RETURN: Object - The new object. Null on failure + * RETURN: A new internal object, null on failure * * DESCRIPTION: Create and initialize a new internal object. * @@ -83,7 +102,8 @@ acpi_ut_create_internal_object_dbg ( union acpi_operand_object *second_object; - ACPI_FUNCTION_TRACE_STR ("ut_create_internal_object_dbg", acpi_ut_get_type_name (type)); + ACPI_FUNCTION_TRACE_STR ("ut_create_internal_object_dbg", + acpi_ut_get_type_name (type)); /* Allocate the raw object descriptor */ @@ -99,7 +119,8 @@ acpi_ut_create_internal_object_dbg ( /* These types require a secondary object */ - second_object = acpi_ut_allocate_object_desc_dbg (module_name, line_number, component_id); + second_object = acpi_ut_allocate_object_desc_dbg (module_name, + line_number, component_id); if (!second_object) { acpi_ut_delete_object_desc (object); return_PTR (NULL); @@ -138,7 +159,7 @@ acpi_ut_create_internal_object_dbg ( * * PARAMETERS: buffer_size - Size of buffer to be created * - * RETURN: Pointer to a new Buffer object + * RETURN: Pointer to a new Buffer object, null on failure * * DESCRIPTION: Create a fully initialized buffer object * @@ -192,9 +213,9 @@ acpi_ut_create_buffer_object ( * * FUNCTION: acpi_ut_create_string_object * - * PARAMETERS: string_size - Size of string to be created. Does not - * include NULL terminator, this is added - * automatically. + * PARAMETERS: string_size - Size of string to be created. Does not + * include NULL terminator, this is added + * automatically. * * RETURN: Pointer to a new String object * @@ -249,7 +270,9 @@ acpi_ut_create_string_object ( * * PARAMETERS: Object - Object to be validated * - * RETURN: Validate a pointer to be an union acpi_operand_object + * RETURN: TRUE if object is valid, FALSE otherwise + * + * DESCRIPTION: Validate a pointer to be an union acpi_operand_object * ******************************************************************************/ @@ -399,8 +422,8 @@ acpi_ut_delete_object_cache ( * * FUNCTION: acpi_ut_get_simple_object_size * - * PARAMETERS: *internal_object - Pointer to the object we are examining - * *obj_length - Where the length is returned + * PARAMETERS: internal_object - An ACPI operand object + * obj_length - Where the length is returned * * RETURN: Status * @@ -412,7 +435,7 @@ acpi_ut_delete_object_cache ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_get_simple_object_size ( union acpi_operand_object *internal_object, acpi_size *obj_length) @@ -424,8 +447,10 @@ acpi_ut_get_simple_object_size ( ACPI_FUNCTION_TRACE_PTR ("ut_get_simple_object_size", internal_object); - /* Handle a null object (Could be a uninitialized package element -- which is legal) */ - + /* + * Handle a null object (Could be a uninitialized package + * element -- which is legal) + */ if (!internal_object) { *obj_length = 0; return_ACPI_STATUS (AE_OK); @@ -480,7 +505,8 @@ acpi_ut_get_simple_object_size ( * Get the actual length of the full pathname to this object. * The reference will be converted to the pathname to the object */ - length += ACPI_ROUND_UP_TO_NATIVE_WORD (acpi_ns_get_pathname_length (internal_object->reference.node)); + length += ACPI_ROUND_UP_TO_NATIVE_WORD ( + acpi_ns_get_pathname_length (internal_object->reference.node)); break; default: @@ -530,7 +556,7 @@ acpi_ut_get_simple_object_size ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_get_element_length ( u8 object_type, union acpi_operand_object *source_object, @@ -582,8 +608,8 @@ acpi_ut_get_element_length ( * * FUNCTION: acpi_ut_get_package_object_size * - * PARAMETERS: *internal_object - Pointer to the object we are examining - * *obj_length - Where the length is returned + * PARAMETERS: internal_object - An ACPI internal object + * obj_length - Where the length is returned * * RETURN: Status * @@ -595,7 +621,7 @@ acpi_ut_get_element_length ( * ******************************************************************************/ -acpi_status +static acpi_status acpi_ut_get_package_object_size ( union acpi_operand_object *internal_object, acpi_size *obj_length) @@ -636,8 +662,8 @@ acpi_ut_get_package_object_size ( * * FUNCTION: acpi_ut_get_object_size * - * PARAMETERS: *internal_object - Pointer to the object we are examining - * *obj_length - Where the length will be returned + * PARAMETERS: internal_object - An ACPI internal object + * obj_length - Where the length will be returned * * RETURN: Status * @@ -647,7 +673,7 @@ acpi_ut_get_package_object_size ( ******************************************************************************/ acpi_status -acpi_ut_get_object_size( +acpi_ut_get_object_size ( union acpi_operand_object *internal_object, acpi_size *obj_length) { diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c index 97a91f3f06f0..e8803d810656 100644 --- a/drivers/acpi/utilities/utxface.c +++ b/drivers/acpi/utilities/utxface.c @@ -73,6 +73,7 @@ acpi_initialize_subsystem ( { acpi_status status; + ACPI_FUNCTION_TRACE ("acpi_initialize_subsystem"); @@ -105,7 +106,6 @@ acpi_initialize_subsystem ( * Initialize the namespace manager and * the root of the namespace tree */ - status = acpi_ns_root_initialize (); if (ACPI_FAILURE (status)) { ACPI_REPORT_ERROR (("Namespace initialization failure, %s\n", @@ -113,7 +113,6 @@ acpi_initialize_subsystem ( return_ACPI_STATUS (status); } - /* If configured, initialize the AML debugger */ ACPI_DEBUGGER_EXEC (status = acpi_db_initialize ()); @@ -150,7 +149,8 @@ acpi_enable_subsystem ( * The values from the FADT are validated here. */ if (!(flags & ACPI_NO_HARDWARE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI hardware\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Initializing ACPI hardware\n")); status = acpi_hw_initialize (); if (ACPI_FAILURE (status)) { @@ -178,7 +178,8 @@ acpi_enable_subsystem ( * install_address_space_handler interface. */ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Installing default address space handlers\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Installing default address space handlers\n")); status = acpi_ev_install_region_handlers (); if (ACPI_FAILURE (status)) { @@ -189,12 +190,14 @@ acpi_enable_subsystem ( /* * Initialize ACPI Event handling (Fixed and General Purpose) * - * NOTE: We must have the hardware AND events initialized before we can execute - * ANY control methods SAFELY. Any control method can require ACPI hardware - * support, so the hardware MUST be initialized before execution! + * NOTE: We must have the hardware AND events initialized before we can + * execute ANY control methods SAFELY. Any control method can require + * ACPI hardware support, so the hardware MUST be initialized before + * execution! */ if (!(flags & ACPI_NO_EVENT_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI events\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Initializing ACPI events\n")); status = acpi_ev_initialize_events (); if (ACPI_FAILURE (status)) { @@ -205,7 +208,8 @@ acpi_enable_subsystem ( /* Install the SCI handler and Global Lock handler */ if (!(flags & ACPI_NO_HANDLER_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Installing SCI/GL handlers\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Installing SCI/GL handlers\n")); status = acpi_ev_install_xrupt_handlers (); if (ACPI_FAILURE (status)) { @@ -247,7 +251,8 @@ acpi_initialize_objects ( * contain executable AML (see call to acpi_ns_initialize_objects below). */ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Executing _REG op_region methods\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Executing _REG op_region methods\n")); status = acpi_ev_initialize_op_regions (); if (ACPI_FAILURE (status)) { @@ -261,7 +266,8 @@ acpi_initialize_objects ( * objects: operation_regions, buffer_fields, Buffers, and Packages. */ if (!(flags & ACPI_NO_OBJECT_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Completing Initialization of ACPI Objects\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Completing Initialization of ACPI Objects\n")); status = acpi_ns_initialize_objects (); if (ACPI_FAILURE (status)) { @@ -274,7 +280,8 @@ acpi_initialize_objects ( * This runs the _STA and _INI methods. */ if (!(flags & ACPI_NO_DEVICE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI Devices\n")); + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Initializing ACPI Devices\n")); status = acpi_ns_initialize_devices (); if (ACPI_FAILURE (status)) { @@ -307,7 +314,8 @@ acpi_initialize_objects ( ******************************************************************************/ acpi_status -acpi_terminate (void) +acpi_terminate ( + void) { acpi_status status; @@ -344,8 +352,7 @@ acpi_terminate (void) #ifdef ACPI_FUTURE_USAGE - -/***************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_subsystem_status * @@ -354,14 +361,16 @@ acpi_terminate (void) * RETURN: Status of the ACPI subsystem * * DESCRIPTION: Other drivers that use the ACPI subsystem should call this - * before making any other calls, to ensure the subsystem initial- - * ized successfully. + * before making any other calls, to ensure the subsystem + * initialized successfully. * - ****************************************************************************/ + ******************************************************************************/ acpi_status -acpi_subsystem_status (void) +acpi_subsystem_status ( + void) { + if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) { return (AE_OK); } @@ -371,13 +380,12 @@ acpi_subsystem_status (void) } -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_get_system_info * - * PARAMETERS: out_buffer - a pointer to a buffer to receive the - * resources for the device - * buffer_length - the number of bytes available in the buffer + * PARAMETERS: out_buffer - A buffer to receive the resources for the + * device * * RETURN: Status - the status of the call * @@ -395,8 +403,8 @@ acpi_get_system_info ( struct acpi_buffer *out_buffer) { struct acpi_system_info *info_ptr; - u32 i; acpi_status status; + u32 i; ACPI_FUNCTION_TRACE ("acpi_get_system_info"); @@ -466,6 +474,7 @@ EXPORT_SYMBOL(acpi_get_system_info); * FUNCTION: acpi_install_initialization_handler * * PARAMETERS: Handler - Callback procedure + * Function - Not (currently) used, see below * * RETURN: Status * @@ -495,7 +504,6 @@ acpi_install_initialization_handler ( #endif /* ACPI_FUTURE_USAGE */ - /***************************************************************************** * * FUNCTION: acpi_purge_cached_objects @@ -509,7 +517,8 @@ acpi_install_initialization_handler ( ****************************************************************************/ acpi_status -acpi_purge_cached_objects (void) +acpi_purge_cached_objects ( + void) { ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects"); diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 71fa1011715f..2cf264fd52e0 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -564,12 +564,13 @@ acpi_video_device_find_cap (struct acpi_video_device *device) int count = 0; union acpi_object *o; - br = kmalloc(sizeof &br, GFP_KERNEL); + br = kmalloc(sizeof(*br), GFP_KERNEL); if (!br) { printk(KERN_ERR "can't allocate memory\n"); } else { - memset(br, 0, sizeof &br); - br->levels = kmalloc(obj->package.count * sizeof &br->levels, GFP_KERNEL); + memset(br, 0, sizeof(*br)); + br->levels = kmalloc(obj->package.count * + sizeof *(br->levels), GFP_KERNEL); if (!br->levels) goto out; @@ -584,8 +585,7 @@ acpi_video_device_find_cap (struct acpi_video_device *device) } out: if (count < 2) { - if (br->levels) - kfree(br->levels); + kfree(br->levels); kfree(br); } else { br->count = count; @@ -595,8 +595,7 @@ out: } } - if (obj) - kfree(obj); + kfree(obj); return_VOID; } @@ -1585,7 +1584,7 @@ acpi_video_switch_output( ACPI_FUNCTION_TRACE("acpi_video_switch_output"); list_for_each_safe(node, next, &video->video_device_list) { - struct acpi_video_device * dev = container_of(node, struct acpi_video_device, entry); + dev = container_of(node, struct acpi_video_device, entry); status = acpi_video_device_get_state(dev, &state); if (state & 0x2){ dev_next = container_of(node->next, struct acpi_video_device, entry); |