diff options
Diffstat (limited to 'drivers/acpi/utilities/utalloc.c')
| -rw-r--r-- | drivers/acpi/utilities/utalloc.c | 988 |
1 files changed, 988 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c new file mode 100644 index 000000000000..3313439c4bc7 --- /dev/null +++ b/drivers/acpi/utilities/utalloc.c @@ -0,0 +1,988 @@ +/****************************************************************************** + * + * Module Name: utalloc - local cache and memory allocation routines + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2005, R. Byron Moore + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + + +#include <acpi/acpi.h> + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utalloc") + + +/****************************************************************************** + * + * FUNCTION: acpi_ut_release_to_cache + * + * PARAMETERS: list_id - Memory list/cache ID + * Object - The object to be released + * + * RETURN: None + * + * DESCRIPTION: Release an object to the specified cache. If cache is full, + * the object is deleted. + * + ******************************************************************************/ + +void +acpi_ut_release_to_cache ( + u32 list_id, + void *object) +{ + struct acpi_memory_list *cache_info; + + + ACPI_FUNCTION_ENTRY (); + + + cache_info = &acpi_gbl_memory_lists[list_id]; + +#ifdef ACPI_ENABLE_OBJECT_CACHE + + /* If walk cache is full, just free this wallkstate object */ + + if (cache_info->cache_depth >= cache_info->max_cache_depth) { + ACPI_MEM_FREE (object); + ACPI_MEM_TRACKING (cache_info->total_freed++); + } + + /* Otherwise put this object back into the cache */ + + else { + if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) { + return; + } + + /* Mark the object as cached */ + + ACPI_MEMSET (object, 0xCA, cache_info->object_size); + ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED); + + /* 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; + cache_info->list_head = object; + cache_info->cache_depth++; + + (void) acpi_ut_release_mutex (ACPI_MTX_CACHES); + } + +#else + + /* Object cache is disabled; just free the object */ + + ACPI_MEM_FREE (object); + ACPI_MEM_TRACKING (cache_info->total_freed++); +#endif +} + + +/****************************************************************************** + * + * FUNCTION: acpi_ut_acquire_from_cache + * + * PARAMETERS: list_id - Memory list ID + * + * RETURN: A requested object. NULL if the object could not be + * allocated. + * + * DESCRIPTION: Get an object from the specified cache. If cache is empty, + * the object is allocated. + * + ******************************************************************************/ + +void * +acpi_ut_acquire_from_cache ( + u32 list_id) +{ + struct acpi_memory_list *cache_info; + void *object; + + + ACPI_FUNCTION_NAME ("ut_acquire_from_cache"); + + + cache_info = &acpi_gbl_memory_lists[list_id]; + +#ifdef ACPI_ENABLE_OBJECT_CACHE + + if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) { + return (NULL); + } + + ACPI_MEM_TRACKING (cache_info->cache_requests++); + + /* Check the cache first */ + + if (cache_info->list_head) { + /* 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]))); + + ACPI_MEM_TRACKING (cache_info->cache_hits++); + cache_info->cache_depth--; + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n", + object, acpi_gbl_memory_lists[list_id].list_name)); +#endif + + if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) { + return (NULL); + } + + /* Clear (zero) the previously used Object */ + + ACPI_MEMSET (object, 0, cache_info->object_size); + } + + else { + /* The cache is empty, create a new object */ + + /* Avoid deadlock with ACPI_MEM_CALLOCATE */ + + if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) { + return (NULL); + } + + object = ACPI_MEM_CALLOCATE (cache_info->object_size); + ACPI_MEM_TRACKING (cache_info->total_allocated++); + } + +#else + + /* Object cache is disabled; just allocate the object */ + + object = ACPI_MEM_CALLOCATE (cache_info->object_size); + ACPI_MEM_TRACKING (cache_info->total_allocated++); +#endif + + return (object); +} + + +#ifdef ACPI_ENABLE_OBJECT_CACHE +/****************************************************************************** + * + * FUNCTION: acpi_ut_delete_generic_cache + * + * PARAMETERS: list_id - Memory list ID + * + * RETURN: None + * + * DESCRIPTION: Free all objects within the requested cache. + * + ******************************************************************************/ + +void +acpi_ut_delete_generic_cache ( + u32 list_id) +{ + struct acpi_memory_list *cache_info; + char *next; + + + ACPI_FUNCTION_ENTRY (); + + + cache_info = &acpi_gbl_memory_lists[list_id]; + 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]))); + ACPI_MEM_FREE (cache_info->list_head); + + cache_info->list_head = next; + cache_info->cache_depth--; + } +} +#endif + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_validate_buffer + * + * PARAMETERS: Buffer - Buffer descriptor to be validated + * + * RETURN: Status + * + * DESCRIPTION: Perform parameter validation checks on an struct acpi_buffer + * + ******************************************************************************/ + +acpi_status +acpi_ut_validate_buffer ( + struct acpi_buffer *buffer) +{ + + /* Obviously, the structure pointer must be valid */ + + if (!buffer) { + return (AE_BAD_PARAMETER); + } + + /* Special semantics for the length */ + + if ((buffer->length == ACPI_NO_BUFFER) || + (buffer->length == ACPI_ALLOCATE_BUFFER) || + (buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) { + return (AE_OK); + } + + /* Length is valid, the buffer pointer must be also */ + + if (!buffer->pointer) { + return (AE_BAD_PARAMETER); + } + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_initialize_buffer + * + * PARAMETERS: Buffer - Buffer to be validated + * required_length - Length needed + * + * RETURN: Status + * + * DESCRIPTION: Validate that the buffer is of the required length or + * allocate a new buffer. Returned buffer is always zeroed. + * + ******************************************************************************/ + +acpi_status +acpi_ut_initialize_buffer ( + struct acpi_buffer *buffer, + acpi_size required_length) +{ + acpi_status status = AE_OK; + + + switch (buffer->length) { + case ACPI_NO_BUFFER: + + /* Set the exception and returned the required length */ + + status = AE_BUFFER_OVERFLOW; + break; + + + case ACPI_ALLOCATE_BUFFER: + + /* Allocate a new buffer */ + + buffer->pointer = acpi_os_allocate (required_length); + if (!buffer->pointer) { + return (AE_NO_MEMORY); + } + + /* Clear the buffer */ + + ACPI_MEMSET (buffer->pointer, 0, required_length); + break; + + + case ACPI_ALLOCATE_LOCAL_BUFFER: + + /* Allocate a new buffer with local interface to allow tracking */ + + buffer->pointer = ACPI_MEM_CALLOCATE (required_length); + if (!buffer->pointer) { + return (AE_NO_MEMORY); + } + break; + + + default: + + /* Existing buffer: Validate the size of the buffer */ + + if (buffer->length < required_length) { + status = AE_BUFFER_OVERFLOW; + break; + } + + /* Clear the buffer */ + + ACPI_MEMSET (buffer->pointer, 0, required_length); + break; + } + + buffer->length = required_length; + return (status); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_allocate + * + * PARAMETERS: Size - Size of the allocation + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: The subsystem's equivalent of malloc. + * + ******************************************************************************/ + +void * +acpi_ut_allocate ( + acpi_size size, + u32 component, + char *module, + u32 line) +{ + void *allocation; + + + ACPI_FUNCTION_TRACE_U32 ("ut_allocate", size); + + + /* Check for an inadvertent size of zero bytes */ + + if (!size) { + _ACPI_REPORT_ERROR (module, line, component, + ("ut_allocate: Attempt to allocate zero bytes\n")); + size = 1; + } + + allocation = acpi_os_allocate (size); + if (!allocation) { + /* Report allocation error */ + + _ACPI_REPORT_ERROR (module, line, component, + ("ut_allocate: Could not allocate size %X\n", (u32) size)); + + return_PTR (NULL); + } + + return_PTR (allocation); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_callocate + * + * PARAMETERS: Size - Size of the allocation + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: Subsystem equivalent of calloc. + * + ******************************************************************************/ + +void * +acpi_ut_callocate ( + acpi_size size, + u32 component, + char *module, + u32 line) +{ + void *allocation; + + + ACPI_FUNCTION_TRACE_U32 ("ut_callocate", size); + + + /* Check for an inadvertent size of zero bytes */ + + if (!size) { + _ACPI_REPORT_ERROR (module, line, component, + ("ut_callocate: Attempt to allocate zero bytes\n")); + return_PTR (NULL); + } + + allocation = acpi_os_allocate (size); + if (!allocation) { + /* Report allocation error */ + + _ACPI_REPORT_ERROR (module, line, component, + ("ut_callocate: Could not allocate size %X\n", (u32) size)); + return_PTR (NULL); + } + + /* Clear the memory block */ + + ACPI_MEMSET (allocation, 0, size); + return_PTR (allocation); +} + + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS +/* + * These procedures are used for tracking memory leaks in the subsystem, and + * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set. + * + * Each memory allocation is tracked via a doubly linked list. Each + * element contains the caller's component, module name, function name, and + * line number. acpi_ut_allocate and acpi_ut_callocate call + * acpi_ut_track_allocation to add an element to the list; deletion + * occurs in the body of acpi_ut_free. + */ + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_allocate_and_track + * + * PARAMETERS: Size - Size of the allocation + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: The subsystem's equivalent of malloc. + * + ******************************************************************************/ + +void * +acpi_ut_allocate_and_track ( + acpi_size size, + u32 component, + char *module, + u32 line) +{ + struct acpi_debug_mem_block *allocation; + acpi_status status; + + + allocation = acpi_ut_allocate (size + sizeof (struct acpi_debug_mem_header), component, + module, line); + if (!allocation) { + return (NULL); + } + + status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size, + ACPI_MEM_MALLOC, component, module, line); + if (ACPI_FAILURE (status)) { + acpi_os_free (allocation); + return (NULL); + } + + acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++; + acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size; + + return ((void *) &allocation->user_space); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_callocate_and_track + * + * PARAMETERS: Size - Size of the allocation + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: Subsystem equivalent of calloc. + * + ******************************************************************************/ + +void * +acpi_ut_callocate_and_track ( + acpi_size size, + u32 component, + char *module, + u32 line) +{ + struct acpi_debug_mem_block *allocation; + acpi_status status; + + + allocation = acpi_ut_callocate (size + sizeof (struct acpi_debug_mem_header), component, + module, line); + if (!allocation) { + /* Report allocation error */ + + _ACPI_REPORT_ERROR (module, line, component, + ("ut_callocate: Could not allocate size %X\n", (u32) size)); + return (NULL); + } + + status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size, + ACPI_MEM_CALLOC, component, module, line); + if (ACPI_FAILURE (status)) { + acpi_os_free (allocation); + return (NULL); + } + + acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++; + acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size; + + return ((void *) &allocation->user_space); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_free_and_track + * + * PARAMETERS: Allocation - Address of the memory to deallocate + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: None + * + * DESCRIPTION: Frees the memory at Allocation + * + ******************************************************************************/ + +void +acpi_ut_free_and_track ( + void *allocation, + u32 component, + char *module, + u32 line) +{ + struct acpi_debug_mem_block *debug_block; + acpi_status status; + + + ACPI_FUNCTION_TRACE_PTR ("ut_free", allocation); + + + if (NULL == allocation) { + _ACPI_REPORT_ERROR (module, line, component, + ("acpi_ut_free: Attempt to delete a NULL address\n")); + + return_VOID; + } + + debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block, + (((char *) allocation) - sizeof (struct acpi_debug_mem_header))); + + acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++; + acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size; + + status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block, + component, module, line); + if (ACPI_FAILURE (status)) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n", + acpi_format_exception (status))); + } + + acpi_os_free (debug_block); + + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation)); + + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_find_allocation + * + * PARAMETERS: list_id - Memory list to search + * Allocation - Address of allocated memory + * + * RETURN: A list element if found; NULL otherwise. + * + * DESCRIPTION: Searches for an element in the global allocation tracking list. + * + ******************************************************************************/ + +struct acpi_debug_mem_block * +acpi_ut_find_allocation ( + u32 list_id, + void *allocation) +{ + struct acpi_debug_mem_block *element; + + + ACPI_FUNCTION_ENTRY (); + + + if (list_id > ACPI_MEM_LIST_MAX) { + return (NULL); + } + + element = acpi_gbl_memory_lists[list_id].list_head; + + /* Search for the address. */ + + while (element) { + if (element == allocation) { + return (element); + } + + element = element->next; + } + + return (NULL); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_track_allocation + * + * PARAMETERS: list_id - Memory list to search + * Allocation - Address of allocated memory + * Size - Size of the allocation + * alloc_type - MEM_MALLOC or MEM_CALLOC + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: None. + * + * DESCRIPTION: Inserts an element into the global allocation tracking list. + * + ******************************************************************************/ + +acpi_status +acpi_ut_track_allocation ( + u32 list_id, + struct acpi_debug_mem_block *allocation, + acpi_size size, + u8 alloc_type, + u32 component, + char *module, + u32 line) +{ + struct acpi_memory_list *mem_list; + struct acpi_debug_mem_block *element; + acpi_status status = AE_OK; + + + ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation); + + + if (list_id > ACPI_MEM_LIST_MAX) { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + mem_list = &acpi_gbl_memory_lists[list_id]; + status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY); + if (ACPI_FAILURE (status)) { + return_ACPI_STATUS (status); + } + + /* + * Search list for this address to make sure it is not already on the list. + * This will catch several kinds of problems. + */ + + element = acpi_ut_find_allocation (list_id, allocation); + if (element) { + 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)); + + goto unlock_and_exit; + } + + /* Fill in the instance data. */ + + allocation->size = (u32) size; + allocation->alloc_type = alloc_type; + allocation->component = component; + allocation->line = line; + + ACPI_STRNCPY (allocation->module, module, ACPI_MAX_MODULE_NAME); + allocation->module[ACPI_MAX_MODULE_NAME-1] = 0; + + /* Insert at list head */ + + if (mem_list->list_head) { + ((struct acpi_debug_mem_block *)(mem_list->list_head))->previous = allocation; + } + + allocation->next = mem_list->list_head; + allocation->previous = NULL; + + mem_list->list_head = allocation; + + +unlock_and_exit: + status = acpi_ut_release_mutex (ACPI_MTX_MEMORY); + return_ACPI_STATUS (status); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_remove_allocation + * + * PARAMETERS: list_id - Memory list to search + * Allocation - Address of allocated memory + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: + * + * DESCRIPTION: Deletes an element from the global allocation tracking list. + * + ******************************************************************************/ + +acpi_status +acpi_ut_remove_allocation ( + u32 list_id, + struct acpi_debug_mem_block *allocation, + u32 component, + char *module, + u32 line) +{ + struct acpi_memory_list *mem_list; + acpi_status status; + + + ACPI_FUNCTION_TRACE ("ut_remove_allocation"); + + + if (list_id > ACPI_MEM_LIST_MAX) { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + mem_list = &acpi_gbl_memory_lists[list_id]; + if (NULL == mem_list->list_head) { + /* No allocations! */ + + _ACPI_REPORT_ERROR (module, line, component, + ("ut_remove_allocation: Empty allocation list, nothing to free!\n")); + + return_ACPI_STATUS (AE_OK); + } + + status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY); + if (ACPI_FAILURE (status)) { + return_ACPI_STATUS (status); + } + + /* Unlink */ + + if (allocation->previous) { + (allocation->previous)->next = allocation->next; + } + else { + mem_list->list_head = allocation->next; + } + + if (allocation->next) { + (allocation->next)->previous = allocation->previous; + } + + /* Mark the segment as deleted */ + + ACPI_MEMSET (&allocation->user_space, 0xEA, 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); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dump_allocation_info + * + * PARAMETERS: + * + * RETURN: None + * + * DESCRIPTION: Print some info about the outstanding allocations. + * + ******************************************************************************/ +#ifdef ACPI_FUTURE_USAGE +void +acpi_ut_dump_allocation_info ( + void) +{ +/* + struct acpi_memory_list *mem_list; +*/ + + ACPI_FUNCTION_TRACE ("ut_dump_allocation_info"); + +/* + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current allocations", + mem_list->current_count, + ROUND_UP_TO_1K (mem_list->current_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", + mem_list->max_concurrent_count, + ROUND_UP_TO_1K (mem_list->max_concurrent_size))); + + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", + running_object_count, + ROUND_UP_TO_1K (running_object_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", + running_alloc_count, + ROUND_UP_TO_1K (running_alloc_size))); + + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current Nodes", + acpi_gbl_current_node_count, + ROUND_UP_TO_1K (acpi_gbl_current_node_size))); + + 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))))); +*/ + return_VOID; +} +#endif /* ACPI_FUTURE_USAGE */ + + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dump_allocations + * + * PARAMETERS: Component - Component(s) to dump info for. + * Module - Module to dump info for. NULL means all. + * + * RETURN: None + * + * DESCRIPTION: Print a list of all outstanding allocations. + * + ******************************************************************************/ + +void +acpi_ut_dump_allocations ( + u32 component, + char *module) +{ + struct acpi_debug_mem_block *element; + union acpi_descriptor *descriptor; + u32 num_outstanding = 0; + + + ACPI_FUNCTION_TRACE ("ut_dump_allocations"); + + + /* + * Walk the allocation list. + */ + if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_MEMORY))) { + return; + } + + element = acpi_gbl_memory_lists[0].list_head; + while (element) { + if ((element->component & component) && + ((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) { + /* Ignore allocated objects that are in a cache */ + + 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)); + + /* 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); + break; + + case ACPI_DESC_TYPE_PARSER: + acpi_os_printf ("aml_opcode %04hX", + descriptor->op.asl.aml_opcode); + break; + + case ACPI_DESC_TYPE_NAMED: + acpi_os_printf ("%4.4s", + acpi_ut_get_node_name (&descriptor->node)); + break; + + default: + break; + } + + acpi_os_printf ( "\n"); + num_outstanding++; + } + } + element = element->next; + } + + (void) acpi_ut_release_mutex (ACPI_MTX_MEMORY); + + /* Print summary */ + + if (!num_outstanding) { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "No outstanding allocations.\n")); + } + else { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, + "%d(%X) Outstanding allocations\n", + num_outstanding, num_outstanding)); + } + + return_VOID; +} + + +#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */ + |