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Diffstat (limited to 'drivers/pci/hotplug')
-rw-r--r--drivers/pci/hotplug/Kconfig4
-rw-r--r--drivers/pci/hotplug/Makefile7
-rw-r--r--drivers/pci/hotplug/pciehp.h2
-rw-r--r--drivers/pci/hotplug/pciehprm_acpi.c8
-rw-r--r--drivers/pci/hotplug/rpadlpar_core.c299
-rw-r--r--drivers/pci/hotplug/rpaphp.h35
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c146
-rw-r--r--drivers/pci/hotplug/rpaphp_pci.c299
-rw-r--r--drivers/pci/hotplug/rpaphp_slot.c66
-rw-r--r--drivers/pci/hotplug/rpaphp_vio.c129
-rw-r--r--drivers/pci/hotplug/sgi_hotplug.c195
-rw-r--r--drivers/pci/hotplug/shpchp.h2
12 files changed, 418 insertions, 774 deletions
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 9c4a39ee89b5..2f1289eebb3c 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -78,7 +78,7 @@ config HOTPLUG_PCI_IBM
config HOTPLUG_PCI_ACPI
tristate "ACPI PCI Hotplug driver"
- depends on ACPI_BUS && HOTPLUG_PCI
+ depends on ACPI && HOTPLUG_PCI
help
Say Y here if you have a system that supports PCI Hotplug using
ACPI.
@@ -157,7 +157,7 @@ config HOTPLUG_PCI_SHPC_POLL_EVENT_MODE
config HOTPLUG_PCI_SHPC_PHPRM_LEGACY
bool "For AMD SHPC only: Use $HRT for resource/configuration"
- depends on HOTPLUG_PCI_SHPC && !ACPI_BUS
+ depends on HOTPLUG_PCI_SHPC && !ACPI
help
Say Y here for AMD SHPC. You have to select this option if you are
using this driver on platform with AMD SHPC.
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index 31a307004b94..3c71e3077ff1 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -41,8 +41,7 @@ acpiphp-objs := acpiphp_core.o \
rpaphp-objs := rpaphp_core.o \
rpaphp_pci.o \
- rpaphp_slot.o \
- rpaphp_vio.o
+ rpaphp_slot.o
rpadlpar_io-objs := rpadlpar_core.o \
rpadlpar_sysfs.o
@@ -51,7 +50,7 @@ pciehp-objs := pciehp_core.o \
pciehp_ctrl.o \
pciehp_pci.o \
pciehp_hpc.o
-ifdef CONFIG_ACPI_BUS
+ifdef CONFIG_ACPI
pciehp-objs += pciehprm_acpi.o
else
pciehp-objs += pciehprm_nonacpi.o
@@ -62,7 +61,7 @@ shpchp-objs := shpchp_core.o \
shpchp_pci.o \
shpchp_sysfs.o \
shpchp_hpc.o
-ifdef CONFIG_ACPI_BUS
+ifdef CONFIG_ACPI
shpchp-objs += shpchprm_acpi.o
else
ifdef CONFIG_HOTPLUG_PCI_SHPC_PHPRM_LEGACY
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 2b92b9e8c910..061ead21ef14 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -302,7 +302,7 @@ static inline void return_resource(struct pci_resource **head, struct pci_resour
static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
{
- snprintf(buffer, buffer_size, "%d", slot->number);
+ snprintf(buffer, buffer_size, "%04d_%04d", slot->bus, slot->number);
}
enum php_ctlr_type {
diff --git a/drivers/pci/hotplug/pciehprm_acpi.c b/drivers/pci/hotplug/pciehprm_acpi.c
index 305b47ec2f2c..1406db35b089 100644
--- a/drivers/pci/hotplug/pciehprm_acpi.c
+++ b/drivers/pci/hotplug/pciehprm_acpi.c
@@ -1696,15 +1696,15 @@ void pciehprm_enable_card(
pci_bus->number = func->bus;
devfn = PCI_DEVFN(func->device, func->function);
- rc = pci_bus_read_config_word(pci_bus, devfn, PCI_COMMAND, &command);
+ rc = pci_bus_read_config_word(pci_bus, devfn, PCI_COMMAND, &cmd);
if (card_type == PCI_HEADER_TYPE_BRIDGE) {
- rc = pci_bus_read_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, &bcommand);
+ rc = pci_bus_read_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, &bcmd);
}
- cmd = command = command | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
+ command = cmd | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
| PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
- bcmd = bcommand = bcommand | PCI_BRIDGE_CTL_NO_ISA;
+ bcommand = bcmd | PCI_BRIDGE_CTL_NO_ISA;
ab = find_acpi_bridge_by_bus(acpi_bridges_head, ctrl->seg, ctrl->bus);
if (ab) {
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index 86b384e42717..ad1017da8656 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -19,33 +19,36 @@
#include <asm/pci-bridge.h>
#include <asm/semaphore.h>
#include <asm/rtas.h>
+#include <asm/vio.h>
#include "../pci.h"
#include "rpaphp.h"
#include "rpadlpar.h"
static DECLARE_MUTEX(rpadlpar_sem);
+#define DLPAR_MODULE_NAME "rpadlpar_io"
+
#define NODE_TYPE_VIO 1
#define NODE_TYPE_SLOT 2
#define NODE_TYPE_PHB 3
-static struct device_node *find_php_slot_vio_node(char *drc_name)
+static struct device_node *find_vio_slot_node(char *drc_name)
{
- struct device_node *child;
struct device_node *parent = of_find_node_by_name(NULL, "vdevice");
- char *loc_code;
+ struct device_node *dn = NULL;
+ char *name;
+ int rc;
if (!parent)
return NULL;
- for (child = of_get_next_child(parent, NULL);
- child; child = of_get_next_child(parent, child)) {
- loc_code = get_property(child, "ibm,loc-code", NULL);
- if (loc_code && !strncmp(loc_code, drc_name, strlen(drc_name)))
- return child;
+ while ((dn = of_get_next_child(parent, dn))) {
+ rc = rpaphp_get_drc_props(dn, NULL, &name, NULL, NULL);
+ if ((rc == 0) && (!strcmp(drc_name, name)))
+ break;
}
- return NULL;
+ return dn;
}
/* Find dlpar-capable pci node that contains the specified name and type */
@@ -67,7 +70,7 @@ static struct device_node *find_php_slot_pci_node(char *drc_name,
return np;
}
-static struct device_node *find_newly_added_node(char *drc_name, int *node_type)
+static struct device_node *find_dlpar_node(char *drc_name, int *node_type)
{
struct device_node *dn;
@@ -83,7 +86,7 @@ static struct device_node *find_newly_added_node(char *drc_name, int *node_type)
return dn;
}
- dn = find_php_slot_vio_node(drc_name);
+ dn = find_vio_slot_node(drc_name);
if (dn) {
*node_type = NODE_TYPE_VIO;
return dn;
@@ -92,14 +95,14 @@ static struct device_node *find_newly_added_node(char *drc_name, int *node_type)
return NULL;
}
-static struct slot *find_slot(char *drc_name)
+static struct slot *find_slot(struct device_node *dn)
{
struct list_head *tmp, *n;
struct slot *slot;
list_for_each_safe(tmp, n, &rpaphp_slot_head) {
slot = list_entry(tmp, struct slot, rpaphp_slot_list);
- if (strcmp(slot->location, drc_name) == 0)
+ if (slot->dn == dn)
return slot;
}
@@ -131,7 +134,8 @@ static void rpadlpar_claim_one_bus(struct pci_bus *b)
static int pci_add_secondary_bus(struct device_node *dn,
struct pci_dev *bridge_dev)
{
- struct pci_controller *hose = dn->phb;
+ struct pci_dn *pdn = dn->data;
+ struct pci_controller *hose = pdn->phb;
struct pci_bus *child;
u8 sec_busno;
@@ -156,7 +160,7 @@ static int pci_add_secondary_bus(struct device_node *dn,
if (hose->last_busno < child->number)
hose->last_busno = child->number;
- dn->bussubno = child->number;
+ pdn->bussubno = child->number;
/* ioremap() for child bus, which may or may not succeed */
remap_bus_range(child);
@@ -164,13 +168,28 @@ static int pci_add_secondary_bus(struct device_node *dn,
return 0;
}
+static struct pci_dev *dlpar_find_new_dev(struct pci_bus *parent,
+ struct device_node *dev_dn)
+{
+ struct pci_dev *tmp = NULL;
+ struct device_node *child_dn;
+
+ list_for_each_entry(tmp, &parent->devices, bus_list) {
+ child_dn = pci_device_to_OF_node(tmp);
+ if (child_dn == dev_dn)
+ return tmp;
+ }
+ return NULL;
+}
+
static struct pci_dev *dlpar_pci_add_bus(struct device_node *dn)
{
- struct pci_controller *hose = dn->phb;
+ struct pci_dn *pdn = dn->data;
+ struct pci_controller *hose = pdn->phb;
struct pci_dev *dev = NULL;
/* Scan phb bus for EADS device, adding new one to bus->devices */
- if (!pci_scan_single_device(hose->bus, dn->devfn)) {
+ if (!pci_scan_single_device(hose->bus, pdn->devfn)) {
printk(KERN_ERR "%s: found no device on bus\n", __FUNCTION__);
return NULL;
}
@@ -179,49 +198,28 @@ static struct pci_dev *dlpar_pci_add_bus(struct device_node *dn)
pci_bus_add_devices(hose->bus);
/* Confirm new bridge dev was created */
- dev = rpaphp_find_pci_dev(dn);
- if (!dev) {
- printk(KERN_ERR "%s: failed to add pci device\n", __FUNCTION__);
- return NULL;
- }
+ dev = dlpar_find_new_dev(hose->bus, dn);
+ if (dev) {
+ if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
+ printk(KERN_ERR "%s: unexpected header type %d\n",
+ __FUNCTION__, dev->hdr_type);
+ return NULL;
+ }
- if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
- printk(KERN_ERR "%s: unexpected header type %d\n",
- __FUNCTION__, dev->hdr_type);
- return NULL;
+ if (pci_add_secondary_bus(dn, dev))
+ return NULL;
}
- if (pci_add_secondary_bus(dn, dev))
- return NULL;
-
return dev;
}
-static int dlpar_pci_remove_bus(struct pci_dev *bridge_dev)
+static int dlpar_add_pci_slot(char *drc_name, struct device_node *dn)
{
- struct pci_bus *secondary_bus;
+ struct pci_dev *dev;
+ int rc;
- if (!bridge_dev) {
- printk(KERN_ERR "%s: unexpected null device\n",
- __FUNCTION__);
+ if (rpaphp_find_pci_bus(dn))
return -EINVAL;
- }
-
- secondary_bus = bridge_dev->subordinate;
-
- if (unmap_bus_range(secondary_bus)) {
- printk(KERN_ERR "%s: failed to unmap bus range\n",
- __FUNCTION__);
- return -ERANGE;
- }
-
- pci_remove_bus_device(bridge_dev);
- return 0;
-}
-
-static inline int dlpar_add_pci_slot(char *drc_name, struct device_node *dn)
-{
- struct pci_dev *dev;
/* Add pci bus */
dev = dlpar_pci_add_bus(dn);
@@ -231,6 +229,21 @@ static inline int dlpar_add_pci_slot(char *drc_name, struct device_node *dn)
return -EIO;
}
+ if (dn->child) {
+ rc = rpaphp_config_pci_adapter(dev->subordinate);
+ if (rc < 0) {
+ printk(KERN_ERR "%s: unable to enable slot %s\n",
+ __FUNCTION__, drc_name);
+ return -EIO;
+ }
+ }
+
+ /* Add hotplug slot */
+ if (rpaphp_add_slot(dn)) {
+ printk(KERN_ERR "%s: unable to add hotplug slot %s\n",
+ __FUNCTION__, drc_name);
+ return -EIO;
+ }
return 0;
}
@@ -255,47 +268,69 @@ static int dlpar_remove_root_bus(struct pci_controller *phb)
return 0;
}
-static int dlpar_remove_phb(struct slot *slot)
+static int dlpar_remove_phb(char *drc_name, struct device_node *dn)
{
- struct pci_controller *phb;
- struct device_node *dn;
+ struct slot *slot;
+ struct pci_dn *pdn;
int rc = 0;
- dn = slot->dn;
- if (!dn) {
- printk(KERN_ERR "%s: unexpected NULL slot device node\n",
- __FUNCTION__);
- return -EIO;
- }
-
- phb = dn->phb;
- if (!phb) {
- printk(KERN_ERR "%s: unexpected NULL phb pointer\n",
- __FUNCTION__);
- return -EIO;
- }
+ if (!rpaphp_find_pci_bus(dn))
+ return -EINVAL;
- if (rpaphp_remove_slot(slot)) {
- printk(KERN_ERR "%s: unable to remove hotplug slot %s\n",
- __FUNCTION__, slot->location);
- return -EIO;
+ slot = find_slot(dn);
+ if (slot) {
+ /* Remove hotplug slot */
+ if (rpaphp_remove_slot(slot)) {
+ printk(KERN_ERR
+ "%s: unable to remove hotplug slot %s\n",
+ __FUNCTION__, drc_name);
+ return -EIO;
+ }
}
- rc = dlpar_remove_root_bus(phb);
+ pdn = dn->data;
+ BUG_ON(!pdn || !pdn->phb);
+ rc = dlpar_remove_root_bus(pdn->phb);
if (rc < 0)
return rc;
+ pdn->phb = NULL;
+
return 0;
}
-static int dlpar_add_phb(struct device_node *dn)
+static int dlpar_add_phb(char *drc_name, struct device_node *dn)
{
struct pci_controller *phb;
+ if (PCI_DN(dn)->phb) {
+ /* PHB already exists */
+ return -EINVAL;
+ }
+
phb = init_phb_dynamic(dn);
if (!phb)
+ return -EIO;
+
+ if (rpaphp_add_slot(dn)) {
+ printk(KERN_ERR "%s: unable to add hotplug slot %s\n",
+ __FUNCTION__, drc_name);
+ return -EIO;
+ }
+ return 0;
+}
+
+static int dlpar_add_vio_slot(char *drc_name, struct device_node *dn)
+{
+ if (vio_find_node(dn))
return -EINVAL;
+ if (!vio_register_device_node(dn)) {
+ printk(KERN_ERR
+ "%s: failed to register vio node %s\n",
+ __FUNCTION__, drc_name);
+ return -EIO;
+ }
return 0;
}
@@ -316,18 +351,13 @@ int dlpar_add_slot(char *drc_name)
{
struct device_node *dn = NULL;
int node_type;
- int rc = 0;
+ int rc = -EIO;
if (down_interruptible(&rpadlpar_sem))
return -ERESTARTSYS;
- /* Check for existing hotplug slot */
- if (find_slot(drc_name)) {
- rc = -EINVAL;
- goto exit;
- }
-
- dn = find_newly_added_node(drc_name, &node_type);
+ /* Find newly added node */
+ dn = find_dlpar_node(drc_name, &node_type);
if (!dn) {
rc = -ENODEV;
goto exit;
@@ -335,24 +365,17 @@ int dlpar_add_slot(char *drc_name)
switch (node_type) {
case NODE_TYPE_VIO:
- /* Just add hotplug slot */
+ rc = dlpar_add_vio_slot(drc_name, dn);
break;
case NODE_TYPE_SLOT:
rc = dlpar_add_pci_slot(drc_name, dn);
break;
case NODE_TYPE_PHB:
- rc = dlpar_add_phb(dn);
+ rc = dlpar_add_phb(drc_name, dn);
break;
- default:
- printk("%s: unexpected node type\n", __FUNCTION__);
- return -EIO;
}
- if (!rc && rpaphp_add_slot(dn)) {
- printk(KERN_ERR "%s: unable to add hotplug slot %s\n",
- __FUNCTION__, drc_name);
- rc = -EIO;
- }
+ printk(KERN_INFO "%s: slot %s added\n", DLPAR_MODULE_NAME, drc_name);
exit:
up(&rpadlpar_sem);
return rc;
@@ -366,17 +389,17 @@ exit:
* of an I/O Slot.
* Return Codes:
* 0 Success
- * -EIO Internal Error
+ * -EINVAL Vio dev doesn't exist
*/
-int dlpar_remove_vio_slot(struct slot *slot, char *drc_name)
+static int dlpar_remove_vio_slot(char *drc_name, struct device_node *dn)
{
- /* Remove hotplug slot */
+ struct vio_dev *vio_dev;
- if (rpaphp_remove_slot(slot)) {
- printk(KERN_ERR "%s: unable to remove hotplug slot %s\n",
- __FUNCTION__, drc_name);
- return -EIO;
- }
+ vio_dev = vio_find_node(dn);
+ if (!vio_dev)
+ return -EINVAL;
+
+ vio_unregister_device(vio_dev);
return 0;
}
@@ -391,31 +414,34 @@ int dlpar_remove_vio_slot(struct slot *slot, char *drc_name)
* -ENODEV Not a valid drc_name
* -EIO Internal PCI Error
*/
-int dlpar_remove_pci_slot(struct slot *slot, char *drc_name)
+int dlpar_remove_pci_slot(char *drc_name, struct device_node *dn)
{
- struct pci_dev *bridge_dev;
+ struct pci_bus *bus;
+ struct slot *slot;
- bridge_dev = slot->bridge;
- if (!bridge_dev) {
- printk(KERN_ERR "%s: unexpected null bridge device\n",
- __FUNCTION__);
- return -EIO;
- }
+ bus = rpaphp_find_pci_bus(dn);
+ if (!bus)
+ return -EINVAL;
- /* Remove hotplug slot */
- if (rpaphp_remove_slot(slot)) {
- printk(KERN_ERR "%s: unable to remove hotplug slot %s\n",
- __FUNCTION__, drc_name);
- return -EIO;
+ slot = find_slot(dn);
+ if (slot) {
+ /* Remove hotplug slot */
+ if (rpaphp_remove_slot(slot)) {
+ printk(KERN_ERR
+ "%s: unable to remove hotplug slot %s\n",
+ __FUNCTION__, drc_name);
+ return -EIO;
+ }
}
- /* Remove pci bus */
-
- if (dlpar_pci_remove_bus(bridge_dev)) {
- printk(KERN_ERR "%s: unable to remove pci bus %s\n",
- __FUNCTION__, drc_name);
- return -EIO;
+ if (unmap_bus_range(bus)) {
+ printk(KERN_ERR "%s: failed to unmap bus range\n",
+ __FUNCTION__);
+ return -ERANGE;
}
+
+ BUG_ON(!bus->self);
+ pci_remove_bus_device(bus->self);
return 0;
}
@@ -434,38 +460,31 @@ int dlpar_remove_pci_slot(struct slot *slot, char *drc_name)
*/
int dlpar_remove_slot(char *drc_name)
{
- struct slot *slot;
+ struct device_node *dn;
+ int node_type;
int rc = 0;
if (down_interruptible(&rpadlpar_sem))
return -ERESTARTSYS;
- if (!find_php_slot_vio_node(drc_name) &&
- !find_php_slot_pci_node(drc_name, "SLOT") &&
- !find_php_slot_pci_node(drc_name, "PHB")) {
+ dn = find_dlpar_node(drc_name, &node_type);
+ if (!dn) {
rc = -ENODEV;
goto exit;
}
- slot = find_slot(drc_name);
- if (!slot) {
- rc = -EINVAL;
- goto exit;
- }
-
- if (slot->type == PHB) {
- rc = dlpar_remove_phb(slot);
- } else {
- switch (slot->dev_type) {
- case PCI_DEV:
- rc = dlpar_remove_pci_slot(slot, drc_name);
- break;
-
- case VIO_DEV:
- rc = dlpar_remove_vio_slot(slot, drc_name);
- break;
- }
+ switch (node_type) {
+ case NODE_TYPE_VIO:
+ rc = dlpar_remove_vio_slot(drc_name, dn);
+ break;
+ case NODE_TYPE_PHB:
+ rc = dlpar_remove_phb(drc_name, dn);
+ break;
+ case NODE_TYPE_SLOT:
+ rc = dlpar_remove_pci_slot(drc_name, dn);
+ break;
}
+ printk(KERN_INFO "%s: slot %s removed\n", DLPAR_MODULE_NAME, drc_name);
exit:
up(&rpadlpar_sem);
return rc;
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
index 81746e6e0e0f..61d94d1e29cb 100644
--- a/drivers/pci/hotplug/rpaphp.h
+++ b/drivers/pci/hotplug/rpaphp.h
@@ -30,10 +30,6 @@
#include <linux/pci.h>
#include "pci_hotplug.h"
-#define PHB 2
-#define HOTPLUG 1
-#define EMBEDDED 0
-
#define DR_INDICATOR 9002
#define DR_ENTITY_SENSE 9003
@@ -61,10 +57,6 @@ extern int debug;
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
-/* slot types */
-#define VIO_DEV 1
-#define PCI_DEV 2
-
/* slot states */
#define NOT_VALID 3
@@ -72,11 +64,6 @@ extern int debug;
#define CONFIGURED 1
#define EMPTY 0
-struct rpaphp_pci_func {
- struct pci_dev *pci_dev;
- struct list_head sibling;
-};
-
/*
* struct slot - slot information for each *physical* slot
*/
@@ -88,15 +75,9 @@ struct slot {
u32 power_domain;
char *name;
char *location;
- u8 removable;
- u8 dev_type; /* VIO or PCI */
- struct device_node *dn; /* slot's device_node in OFDT */
- /* dn has phb info */
- struct pci_dev *bridge; /* slot's pci_dev in pci_devices */
- union {
- struct list_head *pci_devs; /* pci_devs in PCI slot */
- struct vio_dev *vio_dev; /* vio_dev in VIO slot */
- } dev;
+ struct device_node *dn;
+ struct pci_bus *bus;
+ struct list_head *pci_devs;
struct hotplug_slot *hotplug_slot;
};
@@ -107,13 +88,13 @@ extern int num_slots;
/* function prototypes */
/* rpaphp_pci.c */
-extern struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn);
+extern struct pci_bus *rpaphp_find_pci_bus(struct device_node *dn);
extern int rpaphp_claim_resource(struct pci_dev *dev, int resource);
extern int rpaphp_enable_pci_slot(struct slot *slot);
extern int register_pci_slot(struct slot *slot);
extern int rpaphp_unconfig_pci_adapter(struct slot *slot);
extern int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value);
-extern struct hotplug_slot *rpaphp_find_hotplug_slot(struct pci_dev *dev);
+extern int rpaphp_config_pci_adapter(struct pci_bus *bus);
/* rpaphp_core.c */
extern int rpaphp_add_slot(struct device_node *dn);
@@ -121,12 +102,6 @@ extern int rpaphp_remove_slot(struct slot *slot);
extern int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
char **drc_name, char **drc_type, int *drc_power_domain);
-/* rpaphp_vio.c */
-extern int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 * value);
-extern int rpaphp_unconfig_vio_adapter(struct slot *slot);
-extern int register_vio_slot(struct device_node *dn);
-extern int rpaphp_enable_vio_slot(struct slot *slot);
-
/* rpaphp_slot.c */
extern void dealloc_slot_struct(struct slot *slot);
extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 29117a3a3287..c830ff0acdc3 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -152,17 +152,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 * value)
int retval = 0;
down(&rpaphp_sem);
- /* have to go through this */
- switch (slot->dev_type) {
- case PCI_DEV:
- retval = rpaphp_get_pci_adapter_status(slot, 0, value);
- break;
- case VIO_DEV:
- retval = rpaphp_get_vio_adapter_status(slot, 0, value);
- break;
- default:
- retval = -EINVAL;
- }
+ retval = rpaphp_get_pci_adapter_status(slot, 0, value);
up(&rpaphp_sem);
return retval;
}
@@ -317,34 +307,6 @@ static int is_php_dn(struct device_node *dn, int **indexes, int **names,
return 0;
}
-static int is_dr_dn(struct device_node *dn, int **indexes, int **names,
- int **types, int **power_domains, int **my_drc_index)
-{
- int rc;
-
- *my_drc_index = (int *) get_property(dn, "ibm,my-drc-index", NULL);
- if(!*my_drc_index)
- return (0);
-
- if (!dn->parent)
- return (0);
-
- rc = get_children_props(dn->parent, indexes, names, types,
- power_domains);
- return (rc >= 0);
-}
-
-static inline int is_vdevice_root(struct device_node *dn)
-{
- return !strcmp(dn->name, "vdevice");
-}
-
-int is_dlpar_type(const char *type_str)
-{
- /* Only register DLPAR-capable nodes of drc-type PHB or SLOT */
- return (!strcmp(type_str, "PHB") || !strcmp(type_str, "SLOT"));
-}
-
/****************************************************************
* rpaphp not only registers PCI hotplug slots(HOTPLUG),
* but also logical DR slots(EMBEDDED).
@@ -356,54 +318,33 @@ int rpaphp_add_slot(struct device_node *dn)
{
struct slot *slot;
int retval = 0;
- int i, *my_drc_index, slot_type;
+ int i;
int *indexes, *names, *types, *power_domains;
char *name, *type;
dbg("Entry %s: dn->full_name=%s\n", __FUNCTION__, dn->full_name);
- if (dn->parent && is_vdevice_root(dn->parent)) {
- /* register a VIO device */
- retval = register_vio_slot(dn);
- goto exit;
- }
-
/* register PCI devices */
if (dn->name != 0 && strcmp(dn->name, "pci") == 0) {
- if (is_php_dn(dn, &indexes, &names, &types, &power_domains))
- slot_type = HOTPLUG;
- else if (is_dr_dn(dn, &indexes, &names, &types, &power_domains, &my_drc_index))
- slot_type = EMBEDDED;
- else goto exit;
+ if (!is_php_dn(dn, &indexes, &names, &types, &power_domains))
+ goto exit;
name = (char *) &names[1];
type = (char *) &types[1];
for (i = 0; i < indexes[0]; i++,
- name += (strlen(name) + 1), type += (strlen(type) + 1)) {
-
- if (slot_type == HOTPLUG ||
- (slot_type == EMBEDDED &&
- indexes[i + 1] == my_drc_index[0] &&
- is_dlpar_type(type))) {
- if (!(slot = alloc_slot_struct(dn, indexes[i + 1], name,
- power_domains[i + 1]))) {
- retval = -ENOMEM;
- goto exit;
- }
- if (!strcmp(type, "PHB"))
- slot->type = PHB;
- else if (slot_type == EMBEDDED)
- slot->type = EMBEDDED;
- else
- slot->type = simple_strtoul(type, NULL, 10);
+ name += (strlen(name) + 1), type += (strlen(type) + 1)) {
+
+ if (!(slot = alloc_slot_struct(dn, indexes[i + 1], name,
+ power_domains[i + 1]))) {
+ retval = -ENOMEM;
+ goto exit;
+ }
+ slot->type = simple_strtoul(type, NULL, 10);
- dbg(" Found drc-index:0x%x drc-name:%s drc-type:%s\n",
+ dbg("Found drc-index:0x%x drc-name:%s drc-type:%s\n",
indexes[i + 1], name, type);
- retval = register_pci_slot(slot);
- if (slot_type == EMBEDDED)
- goto exit;
- }
+ retval = register_pci_slot(slot);
}
}
exit:
@@ -412,31 +353,6 @@ exit:
return retval;
}
-/*
- * init_slots - initialize 'struct slot' structures for each slot
- *
- */
-static void init_slots(void)
-{
- struct device_node *dn;
-
- for (dn = find_all_nodes(); dn; dn = dn->next)
- rpaphp_add_slot(dn);
-}
-
-static int __init init_rpa(void)
-{
-
- init_MUTEX(&rpaphp_sem);
-
- /* initialize internal data structure etc. */
- init_slots();
- if (!num_slots)
- return -ENODEV;
-
- return 0;
-}
-
static void __exit cleanup_slots(void)
{
struct list_head *tmp, *n;
@@ -458,10 +374,18 @@ static void __exit cleanup_slots(void)
static int __init rpaphp_init(void)
{
+ struct device_node *dn = NULL;
+
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+ init_MUTEX(&rpaphp_sem);
- /* read all the PRA info from the system */
- return init_rpa();
+ while ((dn = of_find_node_by_type(dn, "pci")))
+ rpaphp_add_slot(dn);
+
+ if (!num_slots)
+ return -ENODEV;
+
+ return 0;
}
static void __exit rpaphp_exit(void)
@@ -481,16 +405,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
dbg("ENABLING SLOT %s\n", slot->name);
down(&rpaphp_sem);
- switch (slot->dev_type) {
- case PCI_DEV:
- retval = rpaphp_enable_pci_slot(slot);
- break;
- case VIO_DEV:
- retval = rpaphp_enable_vio_slot(slot);
- break;
- default:
- retval = -EINVAL;
- }
+ retval = rpaphp_enable_pci_slot(slot);
up(&rpaphp_sem);
exit:
dbg("%s - Exit: rc[%d]\n", __FUNCTION__, retval);
@@ -511,16 +426,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
dbg("DISABLING SLOT %s\n", slot->name);
down(&rpaphp_sem);
- switch (slot->dev_type) {
- case PCI_DEV:
- retval = rpaphp_unconfig_pci_adapter(slot);
- break;
- case VIO_DEV:
- retval = rpaphp_unconfig_vio_adapter(slot);
- break;
- default:
- retval = -ENODEV;
- }
+ retval = rpaphp_unconfig_pci_adapter(slot);
up(&rpaphp_sem);
exit:
dbg("%s - Exit: rc[%d]\n", __FUNCTION__, retval);
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index d8305a935aab..49e4d10a6488 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -30,22 +30,35 @@
#include "rpaphp.h"
-struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn)
+static struct pci_bus *find_bus_among_children(struct pci_bus *bus,
+ struct device_node *dn)
{
- struct pci_dev *dev = NULL;
- char bus_id[BUS_ID_SIZE];
+ struct pci_bus *child = NULL;
+ struct list_head *tmp;
+ struct device_node *busdn;
+
+ busdn = pci_bus_to_OF_node(bus);
+ if (busdn == dn)
+ return bus;
- sprintf(bus_id, "%04x:%02x:%02x.%d", dn->phb->global_number,
- dn->busno, PCI_SLOT(dn->devfn), PCI_FUNC(dn->devfn));
- for_each_pci_dev(dev) {
- if (!strcmp(pci_name(dev), bus_id)) {
+ list_for_each(tmp, &bus->children) {
+ child = find_bus_among_children(pci_bus_b(tmp), dn);
+ if (child)
break;
- }
}
- return dev;
+ return child;
}
-EXPORT_SYMBOL_GPL(rpaphp_find_pci_dev);
+struct pci_bus *rpaphp_find_pci_bus(struct device_node *dn)
+{
+ struct pci_dn *pdn = dn->data;
+
+ if (!pdn || !pdn->phb || !pdn->phb->bus)
+ return NULL;
+
+ return find_bus_among_children(pdn->phb->bus, dn);
+}
+EXPORT_SYMBOL_GPL(rpaphp_find_pci_bus);
int rpaphp_claim_resource(struct pci_dev *dev, int resource)
{
@@ -69,11 +82,6 @@ int rpaphp_claim_resource(struct pci_dev *dev, int resource)
EXPORT_SYMBOL_GPL(rpaphp_claim_resource);
-static struct pci_dev *rpaphp_find_bridge_pdev(struct slot *slot)
-{
- return rpaphp_find_pci_dev(slot->dn);
-}
-
static int rpaphp_get_sensor_state(struct slot *slot, int *state)
{
int rc;
@@ -116,39 +124,27 @@ static int rpaphp_get_sensor_state(struct slot *slot, int *state)
*/
int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value)
{
+ struct pci_bus *bus;
int state, rc;
- struct device_node *child_dn;
- struct pci_dev *child_dev = NULL;
*value = NOT_VALID;
rc = rpaphp_get_sensor_state(slot, &state);
if (rc)
goto exit;
- if ((state == EMPTY) || (slot->type == PHB)) {
- dbg("slot is empty\n");
+ if (state == EMPTY)
*value = EMPTY;
- }
else if (state == PRESENT) {
if (!is_init) {
/* at run-time slot->state can be changed by */
/* config/unconfig adapter */
*value = slot->state;
} else {
- child_dn = slot->dn->child;
- if (child_dn)
- child_dev = rpaphp_find_pci_dev(child_dn);
-
- if (child_dev)
- *value = CONFIGURED;
- else if (!child_dn)
- dbg("%s: %s is not valid OFDT node\n",
- __FUNCTION__, slot->dn->full_name);
- else {
- err("%s: can't find pdev of adapter in slot[%s]\n",
- __FUNCTION__, slot->dn->full_name);
+ bus = rpaphp_find_pci_bus(slot->dn);
+ if (bus && !list_empty(&bus->devices))
+ *value = CONFIGURED;
+ else
*value = NOT_CONFIGURED;
- }
}
}
exit:
@@ -186,39 +182,6 @@ rpaphp_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus)
}
}
-static int rpaphp_pci_config_bridge(struct pci_dev *dev);
-
-/*****************************************************************************
- rpaphp_pci_config_slot() will configure all devices under the
- given slot->dn and return the the first pci_dev.
- *****************************************************************************/
-static struct pci_dev *
-rpaphp_pci_config_slot(struct device_node *dn, struct pci_bus *bus)
-{
- struct device_node *eads_first_child = dn->child;
- struct pci_dev *dev = NULL;
- int num;
-
- dbg("Enter %s: dn=%s bus=%s\n", __FUNCTION__, dn->full_name, bus->name);
-
- if (eads_first_child) {
- /* pci_scan_slot should find all children of EADs */
- num = pci_scan_slot(bus, PCI_DEVFN(PCI_SLOT(eads_first_child->devfn), 0));
- if (num) {
- rpaphp_fixup_new_pci_devices(bus, 1);
- pci_bus_add_devices(bus);
- }
- dev = rpaphp_find_pci_dev(eads_first_child);
- if (!dev) {
- err("No new device found\n");
- return NULL;
- }
- if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
- rpaphp_pci_config_bridge(dev);
- }
- return dev;
-}
-
static int rpaphp_pci_config_bridge(struct pci_dev *dev)
{
u8 sec_busno;
@@ -252,6 +215,42 @@ static int rpaphp_pci_config_bridge(struct pci_dev *dev)
return 0;
}
+/*****************************************************************************
+ rpaphp_pci_config_slot() will configure all devices under the
+ given slot->dn and return the the first pci_dev.
+ *****************************************************************************/
+static struct pci_dev *
+rpaphp_pci_config_slot(struct pci_bus *bus)
+{
+ struct device_node *dn = pci_bus_to_OF_node(bus);
+ struct pci_dev *dev = NULL;
+ int slotno;
+ int num;
+
+ dbg("Enter %s: dn=%s bus=%s\n", __FUNCTION__, dn->full_name, bus->name);
+ if (!dn || !dn->child)
+ return NULL;
+
+ slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
+
+ /* pci_scan_slot should find all children */
+ num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
+ if (num) {
+ rpaphp_fixup_new_pci_devices(bus, 1);
+ pci_bus_add_devices(bus);
+ }
+ if (list_empty(&bus->devices)) {
+ err("%s: No new device found\n", __FUNCTION__);
+ return NULL;
+ }
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE)
+ rpaphp_pci_config_bridge(dev);
+ }
+
+ return dev;
+}
+
static void enable_eeh(struct device_node *dn)
{
struct device_node *sib;
@@ -263,49 +262,44 @@ static void enable_eeh(struct device_node *dn)
}
-static void print_slot_pci_funcs(struct slot *slot)
+static void print_slot_pci_funcs(struct pci_bus *bus)
{
+ struct device_node *dn;
struct pci_dev *dev;
- if (slot->dev_type == PCI_DEV) {
- dbg("%s: pci_devs of slot[%s]\n", __FUNCTION__, slot->name);
- list_for_each_entry (dev, slot->dev.pci_devs, bus_list)
- dbg("\t%s\n", pci_name(dev));
- }
+ dn = pci_bus_to_OF_node(bus);
+ if (!dn)
+ return;
+
+ dbg("%s: pci_devs of slot[%s]\n", __FUNCTION__, dn->full_name);
+ list_for_each_entry (dev, &bus->devices, bus_list)
+ dbg("\t%s\n", pci_name(dev));
return;
}
-static int rpaphp_config_pci_adapter(struct slot *slot)
+int rpaphp_config_pci_adapter(struct pci_bus *bus)
{
- struct pci_bus *pci_bus;
+ struct device_node *dn = pci_bus_to_OF_node(bus);
struct pci_dev *dev;
int rc = -ENODEV;
- dbg("Entry %s: slot[%s]\n", __FUNCTION__, slot->name);
-
- if (slot->bridge) {
+ dbg("Entry %s: slot[%s]\n", __FUNCTION__, dn->full_name);
+ if (!dn)
+ goto exit;
- pci_bus = slot->bridge->subordinate;
- if (!pci_bus) {
- err("%s: can't find bus structure\n", __FUNCTION__);
- goto exit;
- }
- enable_eeh(slot->dn);
- dev = rpaphp_pci_config_slot(slot->dn, pci_bus);
- if (!dev) {
- err("%s: can't find any devices.\n", __FUNCTION__);
- goto exit;
- }
- print_slot_pci_funcs(slot);
- rc = 0;
- } else {
- /* slot is not enabled */
- err("slot doesn't have pci_dev structure\n");
+ enable_eeh(dn);
+ dev = rpaphp_pci_config_slot(bus);
+ if (!dev) {
+ err("%s: can't find any devices.\n", __FUNCTION__);
+ goto exit;
}
+ print_slot_pci_funcs(bus);
+ rc = 0;
exit:
dbg("Exit %s: rc=%d\n", __FUNCTION__, rc);
return rc;
}
+EXPORT_SYMBOL_GPL(rpaphp_config_pci_adapter);
static void rpaphp_eeh_remove_bus_device(struct pci_dev *dev)
{
@@ -327,13 +321,14 @@ static void rpaphp_eeh_remove_bus_device(struct pci_dev *dev)
int rpaphp_unconfig_pci_adapter(struct slot *slot)
{
- struct pci_dev *dev;
+ struct pci_dev *dev, *tmp;
int retval = 0;
- list_for_each_entry(dev, slot->dev.pci_devs, bus_list)
+ list_for_each_entry_safe(dev, tmp, slot->pci_devs, bus_list) {
rpaphp_eeh_remove_bus_device(dev);
+ pci_remove_bus_device(dev);
+ }
- pci_remove_behind_bridge(slot->bridge);
slot->state = NOT_CONFIGURED;
info("%s: devices in slot[%s] unconfigured.\n", __FUNCTION__,
slot->name);
@@ -356,66 +351,41 @@ static int setup_pci_hotplug_slot_info(struct slot *slot)
return 0;
}
-static int set_phb_slot_name(struct slot *slot)
+static void set_slot_name(struct slot *slot)
{
- struct device_node *dn;
- struct pci_controller *phb;
- struct pci_bus *bus;
-
- dn = slot->dn;
- if (!dn) {
- return -EINVAL;
- }
- phb = dn->phb;
- if (!phb) {
- return -EINVAL;
- }
- bus = phb->bus;
- if (!bus) {
- return -EINVAL;
- }
+ struct pci_bus *bus = slot->bus;
+ struct pci_dev *bridge;
- sprintf(slot->name, "%04x:%02x:%02x.%x", pci_domain_nr(bus),
- bus->number, 0, 0);
- return 0;
+ bridge = bus->self;
+ if (bridge)
+ strcpy(slot->name, pci_name(bridge));
+ else
+ sprintf(slot->name, "%04x:%02x:00.0", pci_domain_nr(bus),
+ bus->number);
}
static int setup_pci_slot(struct slot *slot)
{
+ struct device_node *dn = slot->dn;
struct pci_bus *bus;
- int rc;
- if (slot->type == PHB) {
- rc = set_phb_slot_name(slot);
- if (rc < 0) {
- err("%s: failed to set phb slot name\n", __FUNCTION__);
- goto exit_rc;
- }
- } else {
- slot->bridge = rpaphp_find_bridge_pdev(slot);
- if (!slot->bridge) {
- /* slot being added doesn't have pci_dev yet */
- err("%s: no pci_dev for bridge dn %s\n",
- __FUNCTION__, slot->name);
- goto exit_rc;
- }
-
- bus = slot->bridge->subordinate;
- if (!bus)
- goto exit_rc;
- slot->dev.pci_devs = &bus->devices;
-
- dbg("%s set slot->name to %s\n", __FUNCTION__,
- pci_name(slot->bridge));
- strcpy(slot->name, pci_name(slot->bridge));
+ BUG_ON(!dn);
+ bus = rpaphp_find_pci_bus(dn);
+ if (!bus) {
+ err("%s: no pci_bus for dn %s\n", __FUNCTION__, dn->full_name);
+ goto exit_rc;
}
+ slot->bus = bus;
+ slot->pci_devs = &bus->devices;
+ set_slot_name(slot);
+
/* find slot's pci_dev if it's not empty */
if (slot->hotplug_slot->info->adapter_status == EMPTY) {
slot->state = EMPTY; /* slot is empty */
} else {
/* slot is occupied */
- if (!(slot->dn->child)) {
+ if (!dn->child) {
/* non-empty slot has to have child */
err("%s: slot[%s]'s device_node doesn't have child for adapter\n",
__FUNCTION__, slot->name);
@@ -425,7 +395,7 @@ static int setup_pci_slot(struct slot *slot)
if (slot->hotplug_slot->info->adapter_status == NOT_CONFIGURED) {
dbg("%s CONFIGURING pci adapter in slot[%s]\n",
__FUNCTION__, slot->name);
- if (rpaphp_config_pci_adapter(slot)) {
+ if (rpaphp_config_pci_adapter(slot->bus)) {
err("%s: CONFIG pci adapter failed\n", __FUNCTION__);
goto exit_rc;
}
@@ -435,8 +405,8 @@ static int setup_pci_slot(struct slot *slot)
__FUNCTION__, slot->name);
goto exit_rc;
}
- print_slot_pci_funcs(slot);
- if (!list_empty(slot->dev.pci_devs)) {
+ print_slot_pci_funcs(slot->bus);
+ if (!list_empty(slot->pci_devs)) {
slot->state = CONFIGURED;
} else {
/* DLPAR add as opposed to
@@ -454,11 +424,6 @@ int register_pci_slot(struct slot *slot)
{
int rc = -EINVAL;
- slot->dev_type = PCI_DEV;
- if ((slot->type == EMBEDDED) || (slot->type == PHB))
- slot->removable = 0;
- else
- slot->removable = 1;
if (setup_pci_hotplug_slot_info(slot))
goto exit_rc;
if (setup_pci_slot(slot))
@@ -479,7 +444,7 @@ int rpaphp_enable_pci_slot(struct slot *slot)
/* if slot is not empty, enable the adapter */
if (state == PRESENT) {
dbg("%s : slot[%s] is occupied.\n", __FUNCTION__, slot->name);
- retval = rpaphp_config_pci_adapter(slot);
+ retval = rpaphp_config_pci_adapter(slot->bus);
if (!retval) {
slot->state = CONFIGURED;
dbg("%s: PCI devices in slot[%s] has been configured\n",
@@ -502,37 +467,3 @@ exit:
dbg("%s - Exit: rc[%d]\n", __FUNCTION__, retval);
return retval;
}
-
-struct hotplug_slot *rpaphp_find_hotplug_slot(struct pci_dev *dev)
-{
- struct list_head *tmp, *n;
- struct slot *slot;
-
- list_for_each_safe(tmp, n, &rpaphp_slot_head) {
- struct pci_bus *bus;
- struct list_head *ln;
-
- slot = list_entry(tmp, struct slot, rpaphp_slot_list);
- if (slot->bridge == NULL) {
- if (slot->dev_type == PCI_DEV) {
- printk(KERN_WARNING "PCI slot missing bridge %s %s \n",
- slot->name, slot->location);
- }
- continue;
- }
-
- bus = slot->bridge->subordinate;
- if (!bus) {
- continue; /* should never happen? */
- }
- for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) {
- struct pci_dev *pdev = pci_dev_b(ln);
- if (pdev == dev)
- return slot->hotplug_slot;
- }
- }
-
- return NULL;
-}
-
-EXPORT_SYMBOL_GPL(rpaphp_find_hotplug_slot);
diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c
index ff2cbf0652d8..0e8815495083 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -30,35 +30,6 @@
#include <asm/rtas.h>
#include "rpaphp.h"
-static ssize_t removable_read_file (struct hotplug_slot *php_slot, char *buf)
-{
- u8 value;
- int retval = -ENOENT;
- struct slot *slot = (struct slot *)php_slot->private;
-
- if (!slot)
- return retval;
-
- value = slot->removable;
- retval = sprintf (buf, "%d\n", value);
- return retval;
-}
-
-static struct hotplug_slot_attribute hotplug_slot_attr_removable = {
- .attr = {.name = "phy_removable", .mode = S_IFREG | S_IRUGO},
- .show = removable_read_file,
-};
-
-static void rpaphp_sysfs_add_attr_removable (struct hotplug_slot *slot)
-{
- sysfs_create_file(&slot->kobj, &hotplug_slot_attr_removable.attr);
-}
-
-static void rpaphp_sysfs_remove_attr_removable (struct hotplug_slot *slot)
-{
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_removable.attr);
-}
-
static ssize_t location_read_file (struct hotplug_slot *php_slot, char *buf)
{
char *value;
@@ -176,9 +147,6 @@ int deregister_slot(struct slot *slot)
/* remove "phy_location" file */
rpaphp_sysfs_remove_attr_location(php_slot);
- /* remove "phy_removable" file */
- rpaphp_sysfs_remove_attr_removable(php_slot);
-
retval = pci_hp_deregister(php_slot);
if (retval)
err("Problem unregistering a slot %s\n", slot->name);
@@ -212,21 +180,13 @@ int register_slot(struct slot *slot)
/* create "phy_locatoin" file */
rpaphp_sysfs_add_attr_location(slot->hotplug_slot);
- /* create "phy_removable" file */
- rpaphp_sysfs_add_attr_removable(slot->hotplug_slot);
-
/* add slot to our internal list */
dbg("%s adding slot[%s] to rpaphp_slot_list\n",
__FUNCTION__, slot->name);
list_add(&slot->rpaphp_slot_list, &rpaphp_slot_head);
-
- if (slot->dev_type == VIO_DEV)
- info("Slot [%s](VIO location=%s) registered\n",
- slot->name, slot->location);
- else
- info("Slot [%s](PCI location=%s) registered\n",
- slot->name, slot->location);
+ info("Slot [%s](PCI location=%s) registered\n", slot->name,
+ slot->location);
num_slots++;
return 0;
}
@@ -235,21 +195,17 @@ int rpaphp_get_power_status(struct slot *slot, u8 * value)
{
int rc = 0, level;
- if (slot->type == HOTPLUG) {
- rc = rtas_get_power_level(slot->power_domain, &level);
- if (!rc) {
- dbg("%s the power level of slot %s(pwd-domain:0x%x) is %d\n",
- __FUNCTION__, slot->name, slot->power_domain, level);
- *value = level;
- } else
- err("failed to get power-level for slot(%s), rc=0x%x\n",
- slot->location, rc);
- } else {
- dbg("%s report POWER_ON for EMBEDDED or PHB slot %s\n",
- __FUNCTION__, slot->location);
- *value = (u8) POWER_ON;
+ rc = rtas_get_power_level(slot->power_domain, &level);
+ if (rc < 0) {
+ err("failed to get power-level for slot(%s), rc=0x%x\n",
+ slot->location, rc);
+ return rc;
}
+ dbg("%s the power level of slot %s(pwd-domain:0x%x) is %d\n",
+ __FUNCTION__, slot->name, slot->power_domain, level);
+ *value = level;
+
return rc;
}
diff --git a/drivers/pci/hotplug/rpaphp_vio.c b/drivers/pci/hotplug/rpaphp_vio.c
deleted file mode 100644
index 74df6a305e64..000000000000
--- a/drivers/pci/hotplug/rpaphp_vio.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * RPA Hot Plug Virtual I/O device functions
- * Copyright (C) 2004 Linda Xie <lxie@us.ibm.com>
- *
- * All rights reserved.
- *
- * 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, GOOD TITLE or
- * NON INFRINGEMENT. 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Send feedback to <lxie@us.ibm.com>
- *
- */
-#include <asm/vio.h>
-#include "rpaphp.h"
-
-/*
- * get_vio_adapter_status - get the status of a slot
- *
- * status:
- *
- * 1-- adapter is configured
- * 2-- adapter is not configured
- * 3-- not valid
- */
-inline int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 *value)
-{
- *value = slot->state;
- return 0;
-}
-
-int rpaphp_unconfig_vio_adapter(struct slot *slot)
-{
- int retval = 0;
-
- dbg("Entry %s: slot[%s]\n", __FUNCTION__, slot->name);
- if (!slot->dev.vio_dev) {
- info("%s: no VIOA in slot[%s]\n", __FUNCTION__, slot->name);
- retval = -EINVAL;
- goto exit;
- }
- /* remove the device from the vio core */
- vio_unregister_device(slot->dev.vio_dev);
- slot->state = NOT_CONFIGURED;
- info("%s: adapter in slot[%s] unconfigured.\n", __FUNCTION__, slot->name);
-exit:
- dbg("Exit %s, rc=0x%x\n", __FUNCTION__, retval);
- return retval;
-}
-
-static int setup_vio_hotplug_slot_info(struct slot *slot)
-{
- slot->hotplug_slot->info->power_status = 1;
- rpaphp_get_vio_adapter_status(slot, 1,
- &slot->hotplug_slot->info->adapter_status);
- return 0;
-}
-
-int register_vio_slot(struct device_node *dn)
-{
- u32 *index;
- char *name;
- int rc = -EINVAL;
- struct slot *slot = NULL;
-
- rc = rpaphp_get_drc_props(dn, NULL, &name, NULL, NULL);
- if (rc < 0)
- goto exit_rc;
- index = (u32 *) get_property(dn, "ibm,my-drc-index", NULL);
- if (!index)
- goto exit_rc;
- if (!(slot = alloc_slot_struct(dn, *index, name, 0))) {
- rc = -ENOMEM;
- goto exit_rc;
- }
- slot->dev_type = VIO_DEV;
- slot->dev.vio_dev = vio_find_node(dn);
- if (slot->dev.vio_dev) {
- /*
- * rpaphp is the only owner of vio devices and
- * does not need extra reference taken by
- * vio_find_node
- */
- put_device(&slot->dev.vio_dev->dev);
- } else
- slot->dev.vio_dev = vio_register_device_node(dn);
- if (slot->dev.vio_dev)
- slot->state = CONFIGURED;
- else
- slot->state = NOT_CONFIGURED;
- if (setup_vio_hotplug_slot_info(slot))
- goto exit_rc;
- strcpy(slot->name, slot->dev.vio_dev->dev.bus_id);
- info("%s: registered VIO device[name=%s vio_dev=%p]\n",
- __FUNCTION__, slot->name, slot->dev.vio_dev);
- rc = register_slot(slot);
-exit_rc:
- if (rc && slot)
- dealloc_slot_struct(slot);
- return (rc);
-}
-
-int rpaphp_enable_vio_slot(struct slot *slot)
-{
- int retval = 0;
-
- if ((slot->dev.vio_dev = vio_register_device_node(slot->dn))) {
- info("%s: VIO adapter %s in slot[%s] has been configured\n",
- __FUNCTION__, slot->dn->name, slot->name);
- slot->state = CONFIGURED;
- } else {
- info("%s: no vio_dev struct for adapter in slot[%s]\n",
- __FUNCTION__, slot->name);
- slot->state = NOT_CONFIGURED;
- }
-
- return retval;
-}
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 323041fd41dc..b1409441c1cd 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -32,14 +32,15 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("SGI (prarit@sgi.com, dickie@sgi.com, habeck@sgi.com)");
MODULE_DESCRIPTION("SGI Altix Hot Plug PCI Controller Driver");
-#define PCIIO_ASIC_TYPE_TIOCA 4
-#define PCI_SLOT_ALREADY_UP 2 /* slot already up */
-#define PCI_SLOT_ALREADY_DOWN 3 /* slot already down */
-#define PCI_L1_ERR 7 /* L1 console command error */
-#define PCI_EMPTY_33MHZ 15 /* empty 33 MHz bus */
-#define PCI_L1_QSIZE 128 /* our L1 message buffer size */
-#define SN_MAX_HP_SLOTS 32 /* max number of hotplug slots */
-#define SGI_HOTPLUG_PROM_REV 0x0420 /* Min. required PROM version */
+#define PCIIO_ASIC_TYPE_TIOCA 4
+#define PCI_SLOT_ALREADY_UP 2 /* slot already up */
+#define PCI_SLOT_ALREADY_DOWN 3 /* slot already down */
+#define PCI_L1_ERR 7 /* L1 console command error */
+#define PCI_EMPTY_33MHZ 15 /* empty 33 MHz bus */
+#define PCI_L1_QSIZE 128 /* our L1 message buffer size */
+#define SN_MAX_HP_SLOTS 32 /* max hotplug slots */
+#define SGI_HOTPLUG_PROM_REV 0x0430 /* Min. required PROM version */
+#define SN_SLOT_NAME_SIZE 33 /* size of name string */
/* internal list head */
static struct list_head sn_hp_list;
@@ -51,6 +52,7 @@ struct slot {
/* this struct for glue internal only */
struct hotplug_slot *hotplug_slot;
struct list_head hp_list;
+ char physical_path[SN_SLOT_NAME_SIZE];
};
struct pcibr_slot_enable_resp {
@@ -70,7 +72,7 @@ enum sn_pci_req_e {
static int enable_slot(struct hotplug_slot *slot);
static int disable_slot(struct hotplug_slot *slot);
-static int get_power_status(struct hotplug_slot *slot, u8 *value);
+static inline int get_power_status(struct hotplug_slot *slot, u8 *value);
static struct hotplug_slot_ops sn_hotplug_slot_ops = {
.owner = THIS_MODULE,
@@ -81,6 +83,21 @@ static struct hotplug_slot_ops sn_hotplug_slot_ops = {
static DECLARE_MUTEX(sn_hotplug_sem);
+static ssize_t path_show (struct hotplug_slot *bss_hotplug_slot,
+ char *buf)
+{
+ int retval = -ENOENT;
+ struct slot *slot = bss_hotplug_slot->private;
+
+ if (!slot)
+ return retval;
+
+ retval = sprintf (buf, "%s\n", slot->physical_path);
+ return retval;
+}
+
+static struct hotplug_slot_attribute sn_slot_path_attr = __ATTR_RO(path);
+
static int sn_pci_slot_valid(struct pci_bus *pci_bus, int device)
{
struct pcibus_info *pcibus_info;
@@ -120,15 +137,15 @@ static int sn_pci_bus_valid(struct pci_bus *pci_bus)
/* Only register slots in I/O Bricks that support hotplug */
bricktype = MODULE_GET_BTYPE(pcibus_info->pbi_moduleid);
switch (bricktype) {
- case L1_BRICKTYPE_IX:
- case L1_BRICKTYPE_PX:
- case L1_BRICKTYPE_IA:
- case L1_BRICKTYPE_PA:
- return 1;
- break;
- default:
- return -EPERM;
- break;
+ case L1_BRICKTYPE_IX:
+ case L1_BRICKTYPE_PX:
+ case L1_BRICKTYPE_IA:
+ case L1_BRICKTYPE_PA:
+ return 1;
+ break;
+ default:
+ return -EPERM;
+ break;
}
return -EIO;
@@ -142,13 +159,12 @@ static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot,
pcibus_info = SN_PCIBUS_BUSSOFT_INFO(pci_bus);
- bss_hotplug_slot->private = kcalloc(1, sizeof(struct slot),
- GFP_KERNEL);
- if (!bss_hotplug_slot->private)
+ slot = kcalloc(1, sizeof(*slot), GFP_KERNEL);
+ if (!slot)
return -ENOMEM;
- slot = (struct slot *)bss_hotplug_slot->private;
+ bss_hotplug_slot->private = slot;
- bss_hotplug_slot->name = kmalloc(33, GFP_KERNEL);
+ bss_hotplug_slot->name = kmalloc(SN_SLOT_NAME_SIZE, GFP_KERNEL);
if (!bss_hotplug_slot->name) {
kfree(bss_hotplug_slot->private);
return -ENOMEM;
@@ -156,16 +172,16 @@ static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot,
slot->device_num = device;
slot->pci_bus = pci_bus;
-
- sprintf(bss_hotplug_slot->name, "module_%c%c%c%c%.2d_b_%d_s_%d",
+ sprintf(bss_hotplug_slot->name, "%04x:%02x:%02x",
+ pci_domain_nr(pci_bus),
+ ((int)pcibus_info->pbi_buscommon.bs_persist_busnum) & 0xf,
+ device + 1);
+ sprintf(slot->physical_path, "module_%c%c%c%c%.2d",
'0'+RACK_GET_CLASS(MODULE_GET_RACK(pcibus_info->pbi_moduleid)),
'0'+RACK_GET_GROUP(MODULE_GET_RACK(pcibus_info->pbi_moduleid)),
'0'+RACK_GET_NUM(MODULE_GET_RACK(pcibus_info->pbi_moduleid)),
MODULE_GET_BTCHAR(pcibus_info->pbi_moduleid),
- MODULE_GET_BPOS(pcibus_info->pbi_moduleid),
- ((int)pcibus_info->pbi_buscommon.bs_persist_busnum) & 0xf,
- device + 1);
-
+ MODULE_GET_BPOS(pcibus_info->pbi_moduleid));
slot->hotplug_slot = bss_hotplug_slot;
list_add(&slot->hp_list, &sn_hp_list);
@@ -175,14 +191,14 @@ static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot,
static struct hotplug_slot * sn_hp_destroy(void)
{
struct slot *slot;
- struct list_head *list;
struct hotplug_slot *bss_hotplug_slot = NULL;
- list_for_each(list, &sn_hp_list) {
- slot = list_entry(list, struct slot, hp_list);
+ list_for_each_entry(slot, &sn_hp_list, hp_list) {
bss_hotplug_slot = slot->hotplug_slot;
list_del(&((struct slot *)bss_hotplug_slot->private)->
hp_list);
+ sysfs_remove_file(&bss_hotplug_slot->kobj,
+ &sn_slot_path_attr.attr);
break;
}
return bss_hotplug_slot;
@@ -190,7 +206,6 @@ static struct hotplug_slot * sn_hp_destroy(void)
static void sn_bus_alloc_data(struct pci_dev *dev)
{
- struct list_head *node;
struct pci_bus *subordinate_bus;
struct pci_dev *child;
@@ -199,66 +214,29 @@ static void sn_bus_alloc_data(struct pci_dev *dev)
/* Recursively sets up the sn_irq_info structs */
if (dev->subordinate) {
subordinate_bus = dev->subordinate;
- list_for_each(node, &subordinate_bus->devices) {
- child = list_entry(node, struct pci_dev, bus_list);
+ list_for_each_entry(child, &subordinate_bus->devices, bus_list)
sn_bus_alloc_data(child);
- }
}
}
static void sn_bus_free_data(struct pci_dev *dev)
{
- struct list_head *node;
struct pci_bus *subordinate_bus;
struct pci_dev *child;
/* Recursively clean up sn_irq_info structs */
if (dev->subordinate) {
subordinate_bus = dev->subordinate;
- list_for_each(node, &subordinate_bus->devices) {
- child = list_entry(node, struct pci_dev, bus_list);
+ list_for_each_entry(child, &subordinate_bus->devices, bus_list)
sn_bus_free_data(child);
- }
}
sn_pci_unfixup_slot(dev);
}
-static u8 sn_power_status_get(struct hotplug_slot *bss_hotplug_slot)
-{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
- struct pcibus_info *pcibus_info;
- u8 retval;
-
- pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
- retval = pcibus_info->pbi_enabled_devices & (1 << slot->device_num);
-
- return retval ? 1 : 0;
-}
-
-static void sn_slot_mark_enable(struct hotplug_slot *bss_hotplug_slot,
- int device_num)
-{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
- struct pcibus_info *pcibus_info;
-
- pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
- pcibus_info->pbi_enabled_devices |= (1 << device_num);
-}
-
-static void sn_slot_mark_disable(struct hotplug_slot *bss_hotplug_slot,
- int device_num)
-{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
- struct pcibus_info *pcibus_info;
-
- pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
- pcibus_info->pbi_enabled_devices &= ~(1 << device_num);
-}
-
static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
int device_num)
{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
+ struct slot *slot = bss_hotplug_slot->private;
struct pcibus_info *pcibus_info;
struct pcibr_slot_enable_resp resp;
int rc;
@@ -273,7 +251,7 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
if (rc == PCI_SLOT_ALREADY_UP) {
dev_dbg(slot->pci_bus->self, "is already active\n");
- return -EPERM;
+ return 1; /* return 1 to user */
}
if (rc == PCI_L1_ERR) {
@@ -290,7 +268,8 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
return -EIO;
}
- sn_slot_mark_enable(bss_hotplug_slot, device_num);
+ pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
+ pcibus_info->pbi_enabled_devices |= (1 << device_num);
return 0;
}
@@ -298,7 +277,7 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
int device_num, int action)
{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
+ struct slot *slot = bss_hotplug_slot->private;
struct pcibus_info *pcibus_info;
struct pcibr_slot_disable_resp resp;
int rc;
@@ -307,43 +286,44 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
rc = sal_pcibr_slot_disable(pcibus_info, device_num, action, &resp);
- if (action == PCI_REQ_SLOT_ELIGIBLE && rc == PCI_SLOT_ALREADY_DOWN) {
+ if ((action == PCI_REQ_SLOT_ELIGIBLE) &&
+ (rc == PCI_SLOT_ALREADY_DOWN)) {
dev_dbg(slot->pci_bus->self, "Slot %s already inactive\n");
- return -ENODEV;
+ return 1; /* return 1 to user */
}
- if (action == PCI_REQ_SLOT_ELIGIBLE && rc == PCI_EMPTY_33MHZ) {
+ if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_EMPTY_33MHZ)) {
dev_dbg(slot->pci_bus->self,
"Cannot remove last 33MHz card\n");
return -EPERM;
}
- if (action == PCI_REQ_SLOT_ELIGIBLE && rc == PCI_L1_ERR) {
+ if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_L1_ERR)) {
dev_dbg(slot->pci_bus->self,
"L1 failure %d with message \n%s\n",
resp.resp_sub_errno, resp.resp_l1_msg);
return -EPERM;
}
- if (action == PCI_REQ_SLOT_ELIGIBLE && rc) {
+ if ((action == PCI_REQ_SLOT_ELIGIBLE) && rc) {
dev_dbg(slot->pci_bus->self,
"remove failed with error %d sub-error %d\n",
rc, resp.resp_sub_errno);
return -EIO;
}
- if (action == PCI_REQ_SLOT_ELIGIBLE && !rc)
+ if ((action == PCI_REQ_SLOT_ELIGIBLE) && !rc)
return 0;
- if (action == PCI_REQ_SLOT_DISABLE && !rc) {
- sn_slot_mark_disable(bss_hotplug_slot, device_num);
+ if ((action == PCI_REQ_SLOT_DISABLE) && !rc) {
+ pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
+ pcibus_info->pbi_enabled_devices &= ~(1 << device_num);
dev_dbg(slot->pci_bus->self, "remove successful\n");
return 0;
}
- if (action == PCI_REQ_SLOT_DISABLE && rc) {
+ if ((action == PCI_REQ_SLOT_DISABLE) && rc) {
dev_dbg(slot->pci_bus->self,"remove failed rc = %d\n", rc);
- return rc;
}
return rc;
@@ -351,7 +331,7 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
+ struct slot *slot = bss_hotplug_slot->private;
struct pci_bus *new_bus = NULL;
struct pci_dev *dev;
int func, num_funcs;
@@ -371,8 +351,8 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
return rc;
}
- num_funcs = pci_scan_slot(slot->pci_bus, PCI_DEVFN(slot->device_num+1,
- PCI_FUNC(0)));
+ num_funcs = pci_scan_slot(slot->pci_bus,
+ PCI_DEVFN(slot->device_num + 1, 0));
if (!num_funcs) {
dev_dbg(slot->pci_bus->self, "no device in slot\n");
up(&sn_hotplug_sem);
@@ -391,8 +371,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
dev = pci_get_slot(slot->pci_bus,
PCI_DEVFN(slot->device_num + 1,
PCI_FUNC(func)));
-
-
if (dev) {
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
unsigned char sec_bus;
@@ -431,7 +409,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
{
- struct slot *slot = (struct slot *)bss_hotplug_slot->private;
+ struct slot *slot = bss_hotplug_slot->private;
struct pci_dev *dev;
int func;
int rc;
@@ -448,7 +426,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
/* Free the SN resources assigned to the Linux device.*/
for (func = 0; func < 8; func++) {
dev = pci_get_slot(slot->pci_bus,
- PCI_DEVFN(slot->device_num+1,
+ PCI_DEVFN(slot->device_num + 1,
PCI_FUNC(func)));
if (dev) {
/*
@@ -477,10 +455,15 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
return rc;
}
-static int get_power_status(struct hotplug_slot *bss_hotplug_slot, u8 *value)
+static inline int get_power_status(struct hotplug_slot *bss_hotplug_slot,
+ u8 *value)
{
+ struct slot *slot = bss_hotplug_slot->private;
+ struct pcibus_info *pcibus_info;
+
+ pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
down(&sn_hotplug_sem);
- *value = sn_power_status_get(bss_hotplug_slot);
+ *value = pcibus_info->pbi_enabled_devices & (1 << slot->device_num);
up(&sn_hotplug_sem);
return 0;
}
@@ -508,7 +491,7 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
if (sn_pci_slot_valid(pci_bus, device) != 1)
continue;
- bss_hotplug_slot = kcalloc(1,sizeof(struct hotplug_slot),
+ bss_hotplug_slot = kcalloc(1, sizeof(*bss_hotplug_slot),
GFP_KERNEL);
if (!bss_hotplug_slot) {
rc = -ENOMEM;
@@ -516,7 +499,7 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
}
bss_hotplug_slot->info =
- kcalloc(1,sizeof(struct hotplug_slot_info),
+ kcalloc(1, sizeof(struct hotplug_slot_info),
GFP_KERNEL);
if (!bss_hotplug_slot->info) {
rc = -ENOMEM;
@@ -535,6 +518,11 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
rc = pci_hp_register(bss_hotplug_slot);
if (rc)
goto register_err;
+
+ rc = sysfs_create_file(&bss_hotplug_slot->kobj,
+ &sn_slot_path_attr.attr);
+ if (rc)
+ goto register_err;
}
dev_dbg(pci_bus->self, "Registered bus with hotplug\n");
return rc;
@@ -564,14 +552,14 @@ static int sn_pci_hotplug_init(void)
int rc;
int registered = 0;
- INIT_LIST_HEAD(&sn_hp_list);
-
if (sn_sal_rev() < SGI_HOTPLUG_PROM_REV) {
- printk(KERN_ERR "%s: PROM version must be greater than 4.05\n",
+ printk(KERN_ERR "%s: PROM version must be greater than 4.30\n",
__FUNCTION__);
return -EPERM;
}
+ INIT_LIST_HEAD(&sn_hp_list);
+
while ((pci_bus = pci_find_next_bus(pci_bus))) {
if (!pci_bus->sysdata)
continue;
@@ -584,9 +572,9 @@ static int sn_pci_hotplug_init(void)
dev_dbg(pci_bus->self, "valid hotplug bus\n");
rc = sn_hotplug_slot_register(pci_bus);
- if (!rc)
+ if (!rc) {
registered = 1;
- else {
+ } else {
registered = 0;
break;
}
@@ -599,9 +587,8 @@ static void sn_pci_hotplug_exit(void)
{
struct hotplug_slot *bss_hotplug_slot;
- while ((bss_hotplug_slot = sn_hp_destroy())) {
+ while ((bss_hotplug_slot = sn_hp_destroy()))
pci_hp_deregister(bss_hotplug_slot);
- }
if (!list_empty(&sn_hp_list))
printk(KERN_ERR "%s: internal list is not empty\n", __FILE__);
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index fe4d653da188..b7d1c61d6bbb 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -411,7 +411,7 @@ static inline void return_resource(struct pci_resource **head, struct pci_resour
static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
{
- snprintf(buffer, buffer_size, "%d", slot->number);
+ snprintf(buffer, buffer_size, "%04d_%04d", slot->bus, slot->number);
}
enum php_ctlr_type {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 06:03:30 +0000