diff options
Diffstat (limited to 'drivers/acpi/utilities/utobject.c')
| -rw-r--r-- | drivers/acpi/utilities/utobject.c | 354 |
1 files changed, 139 insertions, 215 deletions
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c index cd3899b9cc5..3015e154005 100644 --- a/drivers/acpi/utilities/utobject.c +++ b/drivers/acpi/utilities/utobject.c @@ -41,34 +41,26 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acnamesp.h> #include <acpi/amlcode.h> - #define _COMPONENT ACPI_UTILITIES - ACPI_MODULE_NAME ("utobject") +ACPI_MODULE_NAME("utobject") /* Local prototypes */ - static acpi_status -acpi_ut_get_simple_object_size ( - union acpi_operand_object *obj, - acpi_size *obj_length); +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); +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); - +acpi_ut_get_element_length(u8 object_type, + union acpi_operand_object *source_object, + union acpi_generic_state *state, void *context); /******************************************************************************* * @@ -91,26 +83,25 @@ acpi_ut_get_element_length ( * ******************************************************************************/ -union acpi_operand_object * -acpi_ut_create_internal_object_dbg ( - char *module_name, - u32 line_number, - u32 component_id, - acpi_object_type type) +union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name, + u32 line_number, + u32 component_id, + acpi_object_type + type) { - union acpi_operand_object *object; - union acpi_operand_object *second_object; - - - ACPI_FUNCTION_TRACE_STR ("ut_create_internal_object_dbg", - acpi_ut_get_type_name (type)); + union acpi_operand_object *object; + union acpi_operand_object *second_object; + ACPI_FUNCTION_TRACE_STR("ut_create_internal_object_dbg", + acpi_ut_get_type_name(type)); /* Allocate the raw object descriptor */ - object = acpi_ut_allocate_object_desc_dbg (module_name, line_number, component_id); + object = + acpi_ut_allocate_object_desc_dbg(module_name, line_number, + component_id); if (!object) { - return_PTR (NULL); + return_PTR(NULL); } switch (type) { @@ -119,11 +110,12 @@ 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); + acpi_ut_delete_object_desc(object); + return_PTR(NULL); } second_object->common.type = ACPI_TYPE_LOCAL_EXTRA; @@ -149,10 +141,9 @@ acpi_ut_create_internal_object_dbg ( /* Any per-type initialization should go here */ - return_PTR (object); + return_PTR(object); } - /******************************************************************************* * * FUNCTION: acpi_ut_create_buffer_object @@ -165,22 +156,18 @@ acpi_ut_create_internal_object_dbg ( * ******************************************************************************/ -union acpi_operand_object * -acpi_ut_create_buffer_object ( - acpi_size buffer_size) +union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size) { - union acpi_operand_object *buffer_desc; - u8 *buffer = NULL; - - - ACPI_FUNCTION_TRACE_U32 ("ut_create_buffer_object", buffer_size); + union acpi_operand_object *buffer_desc; + u8 *buffer = NULL; + ACPI_FUNCTION_TRACE_U32("ut_create_buffer_object", buffer_size); /* Create a new Buffer object */ - buffer_desc = acpi_ut_create_internal_object (ACPI_TYPE_BUFFER); + buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); if (!buffer_desc) { - return_PTR (NULL); + return_PTR(NULL); } /* Create an actual buffer only if size > 0 */ @@ -188,12 +175,11 @@ acpi_ut_create_buffer_object ( if (buffer_size > 0) { /* Allocate the actual buffer */ - buffer = ACPI_MEM_CALLOCATE (buffer_size); + buffer = ACPI_MEM_CALLOCATE(buffer_size); if (!buffer) { - ACPI_REPORT_ERROR (("create_buffer: could not allocate size %X\n", - (u32) buffer_size)); - acpi_ut_remove_reference (buffer_desc); - return_PTR (NULL); + ACPI_REPORT_ERROR(("create_buffer: could not allocate size %X\n", (u32) buffer_size)); + acpi_ut_remove_reference(buffer_desc); + return_PTR(NULL); } } @@ -205,10 +191,9 @@ acpi_ut_create_buffer_object ( /* Return the new buffer descriptor */ - return_PTR (buffer_desc); + return_PTR(buffer_desc); } - /******************************************************************************* * * FUNCTION: acpi_ut_create_string_object @@ -223,34 +208,29 @@ acpi_ut_create_buffer_object ( * ******************************************************************************/ -union acpi_operand_object * -acpi_ut_create_string_object ( - acpi_size string_size) +union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size) { - union acpi_operand_object *string_desc; - char *string; - - - ACPI_FUNCTION_TRACE_U32 ("ut_create_string_object", string_size); + union acpi_operand_object *string_desc; + char *string; + ACPI_FUNCTION_TRACE_U32("ut_create_string_object", string_size); /* Create a new String object */ - string_desc = acpi_ut_create_internal_object (ACPI_TYPE_STRING); + string_desc = acpi_ut_create_internal_object(ACPI_TYPE_STRING); if (!string_desc) { - return_PTR (NULL); + return_PTR(NULL); } /* * Allocate the actual string buffer -- (Size + 1) for NULL terminator. * NOTE: Zero-length strings are NULL terminated */ - string = ACPI_MEM_CALLOCATE (string_size + 1); + string = ACPI_MEM_CALLOCATE(string_size + 1); if (!string) { - ACPI_REPORT_ERROR (("create_string: could not allocate size %X\n", - (u32) string_size)); - acpi_ut_remove_reference (string_desc); - return_PTR (NULL); + ACPI_REPORT_ERROR(("create_string: could not allocate size %X\n", (u32) string_size)); + acpi_ut_remove_reference(string_desc); + return_PTR(NULL); } /* Complete string object initialization */ @@ -260,10 +240,9 @@ acpi_ut_create_string_object ( /* Return the new string descriptor */ - return_PTR (string_desc); + return_PTR(string_desc); } - /******************************************************************************* * * FUNCTION: acpi_ut_valid_internal_object @@ -276,24 +255,21 @@ acpi_ut_create_string_object ( * ******************************************************************************/ -u8 -acpi_ut_valid_internal_object ( - void *object) +u8 acpi_ut_valid_internal_object(void *object) { - ACPI_FUNCTION_NAME ("ut_valid_internal_object"); - + ACPI_FUNCTION_NAME("ut_valid_internal_object"); /* Check for a null pointer */ if (!object) { - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "**** Null Object Ptr\n")); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Null Object Ptr\n")); return (FALSE); } /* Check the descriptor type field */ - switch (ACPI_GET_DESCRIPTOR_TYPE (object)) { + switch (ACPI_GET_DESCRIPTOR_TYPE(object)) { case ACPI_DESC_TYPE_OPERAND: /* The object appears to be a valid union acpi_operand_object */ @@ -301,16 +277,15 @@ acpi_ut_valid_internal_object ( return (TRUE); default: - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, - "%p is not not an ACPI operand obj [%s]\n", - object, acpi_ut_get_descriptor_name (object))); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "%p is not not an ACPI operand obj [%s]\n", + object, acpi_ut_get_descriptor_name(object))); break; } return (FALSE); } - /******************************************************************************* * * FUNCTION: acpi_ut_allocate_object_desc_dbg @@ -326,37 +301,31 @@ acpi_ut_valid_internal_object ( * ******************************************************************************/ -void * -acpi_ut_allocate_object_desc_dbg ( - char *module_name, - u32 line_number, - u32 component_id) +void *acpi_ut_allocate_object_desc_dbg(char *module_name, + u32 line_number, u32 component_id) { - union acpi_operand_object *object; + union acpi_operand_object *object; + ACPI_FUNCTION_TRACE("ut_allocate_object_desc_dbg"); - ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg"); - - - object = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_OPERAND); + object = acpi_os_acquire_object(acpi_gbl_operand_cache); if (!object) { - _ACPI_REPORT_ERROR (module_name, line_number, component_id, - ("Could not allocate an object descriptor\n")); + _ACPI_REPORT_ERROR(module_name, line_number, component_id, + ("Could not allocate an object descriptor\n")); - return_PTR (NULL); + return_PTR(NULL); } /* Mark the descriptor type */ + memset(object, 0, sizeof(union acpi_operand_object)); + ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_OPERAND); - ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND); + ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p Size %X\n", + object, (u32) sizeof(union acpi_operand_object))); - ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", - object, (u32) sizeof (union acpi_operand_object))); - - return_PTR (object); + return_PTR(object); } - /******************************************************************************* * * FUNCTION: acpi_ut_delete_object_desc @@ -369,54 +338,22 @@ acpi_ut_allocate_object_desc_dbg ( * ******************************************************************************/ -void -acpi_ut_delete_object_desc ( - union acpi_operand_object *object) +void acpi_ut_delete_object_desc(union acpi_operand_object *object) { - ACPI_FUNCTION_TRACE_PTR ("ut_delete_object_desc", object); - + ACPI_FUNCTION_TRACE_PTR("ut_delete_object_desc", object); /* Object must be an union acpi_operand_object */ - if (ACPI_GET_DESCRIPTOR_TYPE (object) != ACPI_DESC_TYPE_OPERAND) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "%p is not an ACPI Operand object [%s]\n", object, - acpi_ut_get_descriptor_name (object))); + if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "%p is not an ACPI Operand object [%s]\n", + object, acpi_ut_get_descriptor_name(object))); return_VOID; } - acpi_ut_release_to_cache (ACPI_MEM_LIST_OPERAND, object); - - return_VOID; -} - - -#ifdef ACPI_ENABLE_OBJECT_CACHE -/******************************************************************************* - * - * FUNCTION: acpi_ut_delete_object_cache - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Purge the global state object cache. Used during subsystem - * termination. - * - ******************************************************************************/ - -void -acpi_ut_delete_object_cache ( - void) -{ - ACPI_FUNCTION_TRACE ("ut_delete_object_cache"); - - - acpi_ut_delete_generic_cache (ACPI_MEM_LIST_OPERAND); + (void)acpi_os_release_object(acpi_gbl_operand_cache, object); return_VOID; } -#endif - /******************************************************************************* * @@ -436,16 +373,13 @@ acpi_ut_delete_object_cache ( ******************************************************************************/ static acpi_status -acpi_ut_get_simple_object_size ( - union acpi_operand_object *internal_object, - acpi_size *obj_length) +acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, + acpi_size * obj_length) { - acpi_size length; - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE_PTR ("ut_get_simple_object_size", internal_object); + acpi_size length; + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE_PTR("ut_get_simple_object_size", internal_object); /* * Handle a null object (Could be a uninitialized package @@ -453,18 +387,18 @@ acpi_ut_get_simple_object_size ( */ if (!internal_object) { *obj_length = 0; - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } /* Start with the length of the Acpi object */ - length = sizeof (union acpi_object); + length = sizeof(union acpi_object); - if (ACPI_GET_DESCRIPTOR_TYPE (internal_object) == ACPI_DESC_TYPE_NAMED) { + if (ACPI_GET_DESCRIPTOR_TYPE(internal_object) == ACPI_DESC_TYPE_NAMED) { /* Object is a named object (reference), just return the length */ - *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD (length); - return_ACPI_STATUS (status); + *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length); + return_ACPI_STATUS(status); } /* @@ -473,19 +407,17 @@ acpi_ut_get_simple_object_size ( * must be accessed bytewise or there may be alignment problems on * certain processors */ - switch (ACPI_GET_OBJECT_TYPE (internal_object)) { + switch (ACPI_GET_OBJECT_TYPE(internal_object)) { case ACPI_TYPE_STRING: length += (acpi_size) internal_object->string.length + 1; break; - case ACPI_TYPE_BUFFER: length += (acpi_size) internal_object->buffer.length; break; - case ACPI_TYPE_INTEGER: case ACPI_TYPE_PROCESSOR: case ACPI_TYPE_POWER: @@ -495,7 +427,6 @@ acpi_ut_get_simple_object_size ( */ break; - case ACPI_TYPE_LOCAL_REFERENCE: switch (internal_object->reference.opcode) { @@ -505,8 +436,10 @@ 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: @@ -516,19 +449,21 @@ acpi_ut_get_simple_object_size ( * Notably, Locals and Args are not supported, but this may be * required eventually. */ - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Unsupported Reference opcode=%X in object %p\n", - internal_object->reference.opcode, internal_object)); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Unsupported Reference opcode=%X in object %p\n", + internal_object->reference.opcode, + internal_object)); status = AE_TYPE; break; } break; - default: - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported type=%X in object %p\n", - ACPI_GET_OBJECT_TYPE (internal_object), internal_object)); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Unsupported type=%X in object %p\n", + ACPI_GET_OBJECT_TYPE(internal_object), + internal_object)); status = AE_TYPE; break; } @@ -539,11 +474,10 @@ acpi_ut_get_simple_object_size ( * on a machine word boundary. (preventing alignment faults on some * machines.) */ - *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD (length); - return_ACPI_STATUS (status); + *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ut_get_element_length @@ -557,16 +491,13 @@ acpi_ut_get_simple_object_size ( ******************************************************************************/ static acpi_status -acpi_ut_get_element_length ( - u8 object_type, - union acpi_operand_object *source_object, - union acpi_generic_state *state, - void *context) +acpi_ut_get_element_length(u8 object_type, + union acpi_operand_object *source_object, + union acpi_generic_state *state, void *context) { - acpi_status status = AE_OK; - struct acpi_pkg_info *info = (struct acpi_pkg_info *) context; - acpi_size object_space; - + acpi_status status = AE_OK; + struct acpi_pkg_info *info = (struct acpi_pkg_info *)context; + acpi_size object_space; switch (object_type) { case ACPI_COPY_TYPE_SIMPLE: @@ -575,15 +506,16 @@ acpi_ut_get_element_length ( * Simple object - just get the size (Null object/entry is handled * here also) and sum it into the running package length */ - status = acpi_ut_get_simple_object_size (source_object, &object_space); - if (ACPI_FAILURE (status)) { + status = + acpi_ut_get_simple_object_size(source_object, + &object_space); + if (ACPI_FAILURE(status)) { return (status); } info->length += object_space; break; - case ACPI_COPY_TYPE_PACKAGE: /* Package object - nothing much to do here, let the walk handle it */ @@ -592,7 +524,6 @@ acpi_ut_get_element_length ( state->pkg.this_target_obj = NULL; break; - default: /* No other types allowed */ @@ -603,7 +534,6 @@ acpi_ut_get_element_length ( return (status); } - /******************************************************************************* * * FUNCTION: acpi_ut_get_package_object_size @@ -622,25 +552,22 @@ acpi_ut_get_element_length ( ******************************************************************************/ static acpi_status -acpi_ut_get_package_object_size ( - union acpi_operand_object *internal_object, - acpi_size *obj_length) +acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, + acpi_size * obj_length) { - acpi_status status; - struct acpi_pkg_info info; + acpi_status status; + struct acpi_pkg_info info; + ACPI_FUNCTION_TRACE_PTR("ut_get_package_object_size", internal_object); - ACPI_FUNCTION_TRACE_PTR ("ut_get_package_object_size", internal_object); - - - info.length = 0; + info.length = 0; info.object_space = 0; info.num_packages = 1; - status = acpi_ut_walk_package_tree (internal_object, NULL, - acpi_ut_get_element_length, &info); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_walk_package_tree(internal_object, NULL, + acpi_ut_get_element_length, &info); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* @@ -648,16 +575,15 @@ acpi_ut_get_package_object_size ( * just add the length of the package objects themselves. * Round up to the next machine word. */ - info.length += ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (union acpi_object)) * - (acpi_size) info.num_packages; + info.length += ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) * + (acpi_size) info.num_packages; /* Return the total package length */ *obj_length = info.length; - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ut_get_object_size @@ -673,25 +599,23 @@ acpi_ut_get_package_object_size ( ******************************************************************************/ acpi_status -acpi_ut_get_object_size ( - union acpi_operand_object *internal_object, - acpi_size *obj_length) +acpi_ut_get_object_size(union acpi_operand_object *internal_object, + acpi_size * obj_length) { - acpi_status status; - - - ACPI_FUNCTION_ENTRY (); - - - if ((ACPI_GET_DESCRIPTOR_TYPE (internal_object) == ACPI_DESC_TYPE_OPERAND) && - (ACPI_GET_OBJECT_TYPE (internal_object) == ACPI_TYPE_PACKAGE)) { - status = acpi_ut_get_package_object_size (internal_object, obj_length); - } - else { - status = acpi_ut_get_simple_object_size (internal_object, obj_length); + acpi_status status; + + ACPI_FUNCTION_ENTRY(); + + if ((ACPI_GET_DESCRIPTOR_TYPE(internal_object) == + ACPI_DESC_TYPE_OPERAND) + && (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE)) { + status = + acpi_ut_get_package_object_size(internal_object, + obj_length); + } else { + status = + acpi_ut_get_simple_object_size(internal_object, obj_length); } return (status); } - - |