diff options
Diffstat (limited to 'include/acpi/acglobal.h')
| -rw-r--r-- | include/acpi/acglobal.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h index 14531d48f6b6..06972e6637de 100644 --- a/include/acpi/acglobal.h +++ b/include/acpi/acglobal.h @@ -181,6 +181,12 @@ ACPI_EXTERN u8 acpi_gbl_integer_nybble_width; extern struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1]; extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1]; +/***************************************************************************** + * + * Mutual exlusion within ACPICA subsystem + * + ****************************************************************************/ + /* * Predefined mutex objects. This array contains the * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. @@ -188,6 +194,20 @@ extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1]; */ ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX]; +/* + * Global lock semaphore works in conjunction with the actual HW global lock + */ +ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore; + +/* + * Spinlocks are used for interfaces that can be possibly called at + * interrupt level + */ +ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */ +ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */ +#define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock +#define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock + /***************************************************************************** * * Miscellaneous globals @@ -217,7 +237,6 @@ ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; -ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore; /* Misc */ @@ -315,11 +334,6 @@ ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; ACPI_EXTERN struct acpi_gpe_block_info *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; -/* Spinlocks */ - -ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock; -ACPI_EXTERN acpi_handle acpi_gbl_hardware_lock; - /***************************************************************************** * * Debugger globals |