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path: root/drivers/acpi/acpica/dbinput.c
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Diffstat (limited to 'drivers/acpi/acpica/dbinput.c')
-rw-r--r--drivers/acpi/acpica/dbinput.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c
index 95738313916b..44d6d7246e6e 100644
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -50,6 +50,7 @@ enum acpi_ex_debugger_commands {
CMD_EVALUATE,
CMD_EXECUTE,
CMD_EXIT,
+ CMD_FIELDS,
CMD_FIND,
CMD_GO,
CMD_HANDLERS,
@@ -127,6 +128,7 @@ static const struct acpi_db_command_info acpi_gbl_db_commands[] = {
{"EVALUATE", 1},
{"EXECUTE", 1},
{"EXIT", 0},
+ {"FIELDS", 1},
{"FIND", 1},
{"GO", 0},
{"HANDLERS", 0},
@@ -200,6 +202,8 @@ static const struct acpi_db_command_help acpi_gbl_db_command_help[] = {
"Find ACPI name(s) with wildcards\n"},
{1, " Integrity", "Validate namespace integrity\n"},
{1, " Methods", "Display list of loaded control methods\n"},
+ {1, " Fields <AddressSpaceId>",
+ "Display list of loaded field units by space ID\n"},
{1, " Namespace [Object] [Depth]",
"Display loaded namespace tree/subtree\n"},
{1, " Notify <Object> <Value>", "Send a notification on Object\n"},
@@ -674,6 +678,7 @@ acpi_db_command_dispatch(char *input_buffer,
union acpi_parse_object *op)
{
u32 temp;
+ u64 temp64;
u32 command_index;
u32 param_count;
char *command_line;
@@ -789,6 +794,21 @@ acpi_db_command_dispatch(char *input_buffer,
status = acpi_db_find_name_in_namespace(acpi_gbl_db_args[1]);
break;
+ case CMD_FIELDS:
+
+ status = acpi_ut_strtoul64(acpi_gbl_db_args[1], &temp64);
+
+ if (ACPI_FAILURE(status)
+ || temp64 >= ACPI_NUM_PREDEFINED_REGIONS) {
+ acpi_os_printf
+ ("Invalid adress space ID: must be between 0 and %u inclusive\n",
+ ACPI_NUM_PREDEFINED_REGIONS - 1);
+ return (AE_OK);
+ }
+
+ status = acpi_db_display_fields((u32)temp64);
+ break;
+
case CMD_GO:
acpi_gbl_cm_single_step = FALSE;