*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/actables.h>
-
#define _COMPONENT ACPI_TABLES
- ACPI_MODULE_NAME ("tbinstal")
+ACPI_MODULE_NAME("tbinstal")
/* Local prototypes */
-
static acpi_status
-acpi_tb_match_signature (
- char *signature,
- struct acpi_table_desc *table_info,
- u8 search_type);
-
+acpi_tb_match_signature(char *signature,
+ struct acpi_table_desc *table_info, u8 search_type);
/*******************************************************************************
*
******************************************************************************/
static acpi_status
-acpi_tb_match_signature (
- char *signature,
- struct acpi_table_desc *table_info,
- u8 search_type)
+acpi_tb_match_signature(char *signature,
+ struct acpi_table_desc *table_info, u8 search_type)
{
- acpi_native_uint i;
-
-
- ACPI_FUNCTION_TRACE ("tb_match_signature");
+ acpi_native_uint i;
+ ACPI_FUNCTION_TRACE("tb_match_signature");
/* Search for a signature match among the known table types */
continue;
}
- if (!ACPI_STRNCMP (signature, acpi_gbl_table_data[i].signature,
- acpi_gbl_table_data[i].sig_length)) {
+ if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature,
+ acpi_gbl_table_data[i].sig_length)) {
/* Found a signature match, return index if requested */
if (table_info) {
table_info->type = (u8) i;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "Table [%4.4s] is an ACPI table consumed by the core subsystem\n",
- (char *) acpi_gbl_table_data[i].signature));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Table [%4.4s] is an ACPI table consumed by the core subsystem\n",
+ (char *)acpi_gbl_table_data[i].
+ signature));
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "Table [%4.4s] is not an ACPI table consumed by the core subsystem - ignored\n",
- (char *) signature));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Table [%4.4s] is not an ACPI table consumed by the core subsystem - ignored\n",
+ (char *)signature));
- return_ACPI_STATUS (AE_TABLE_NOT_SUPPORTED);
+ return_ACPI_STATUS(AE_TABLE_NOT_SUPPORTED);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_install_table
*
* RETURN: Status
*
- * DESCRIPTION: Load and validate all tables other than the RSDT. The RSDT must
- * already be loaded and validated.
- * Install the table into the global data structs.
+ * DESCRIPTION: Install the table into the global data structures.
*
******************************************************************************/
-acpi_status
-acpi_tb_install_table (
- struct acpi_table_desc *table_info)
+acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info)
{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE ("tb_install_table");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("tb_install_table");
/* Lock tables while installing */
- status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Could not acquire table mutex for [%4.4s], %s\n",
- table_info->pointer->signature, acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not acquire table mutex"));
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Ignore a table that is already installed. For example, some BIOS
+ * ASL code will repeatedly attempt to load the same SSDT.
+ */
+ status = acpi_tb_is_table_installed(table_info);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
}
/* Install the table into the global data structure */
- status = acpi_tb_init_table_descriptor (table_info->type, table_info);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Could not install ACPI table [%4.4s], %s\n",
- table_info->pointer->signature, acpi_format_exception (status)));
+ status = acpi_tb_init_table_descriptor(table_info->type, table_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not install table [%4.4s]",
+ table_info->pointer->signature));
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n",
- acpi_gbl_table_data[table_info->type].name, table_info->pointer));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s located at %p\n",
+ acpi_gbl_table_data[table_info->type].name,
+ table_info->pointer));
- (void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
- return_ACPI_STATUS (status);
+ unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_recognize_table
******************************************************************************/
acpi_status
-acpi_tb_recognize_table (
- struct acpi_table_desc *table_info,
- u8 search_type)
+acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
{
- struct acpi_table_header *table_header;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("tb_recognize_table");
+ struct acpi_table_header *table_header;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("tb_recognize_table");
/* Ensure that we have a valid table pointer */
- table_header = (struct acpi_table_header *) table_info->pointer;
+ table_header = (struct acpi_table_header *)table_info->pointer;
if (!table_header) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
* This can be any one of many valid ACPI tables, it just isn't one of
* the tables that is consumed by the core subsystem
*/
- status = acpi_tb_match_signature (table_header->signature,
- table_info, search_type);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_match_signature(table_header->signature,
+ table_info, search_type);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- status = acpi_tb_validate_table_header (table_header);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_validate_table_header(table_header);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Return the table type and length via the info struct */
table_info->length = (acpi_size) table_header->length;
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_init_table_descriptor
******************************************************************************/
acpi_status
-acpi_tb_init_table_descriptor (
- acpi_table_type table_type,
- struct acpi_table_desc *table_info)
+acpi_tb_init_table_descriptor(acpi_table_type table_type,
+ struct acpi_table_desc *table_info)
{
- struct acpi_table_list *list_head;
- struct acpi_table_desc *table_desc;
-
-
- ACPI_FUNCTION_TRACE_U32 ("tb_init_table_descriptor", table_type);
+ struct acpi_table_list *list_head;
+ struct acpi_table_desc *table_desc;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_U32("tb_init_table_descriptor", table_type);
/* Allocate a descriptor for this table */
- table_desc = ACPI_MEM_CALLOCATE (sizeof (struct acpi_table_desc));
+ table_desc = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc));
if (!table_desc) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Get a new owner ID for the table */
+
+ status = acpi_ut_allocate_owner_id(&table_desc->owner_id);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Install the table into the global data structure */
* includes most ACPI tables such as the DSDT. 2) Multiple instances of
* the table are allowed. This includes SSDT and PSDTs.
*/
- if (ACPI_IS_SINGLE_TABLE (acpi_gbl_table_data[table_type].flags)) {
+ if (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags)) {
/*
* Only one table allowed, and a table has alread been installed
* at this location, so return an error.
*/
if (list_head->next) {
- ACPI_MEM_FREE (table_desc);
- return_ACPI_STATUS (AE_ALREADY_EXISTS);
+ ACPI_MEM_FREE(table_desc);
+ return_ACPI_STATUS(AE_ALREADY_EXISTS);
}
table_desc->next = list_head->next;
}
list_head->count++;
- }
- else {
+ } else {
/*
* Link the new table in to the list of tables of this type.
* Insert at the end of the list, order IS IMPORTANT.
if (!list_head->next) {
list_head->next = table_desc;
- }
- else {
+ } else {
table_desc->next = list_head->next;
while (table_desc->next->next) {
/* Finish initialization of the table descriptor */
- table_desc->type = (u8) table_type;
- table_desc->pointer = table_info->pointer;
- table_desc->length = table_info->length;
- table_desc->allocation = table_info->allocation;
- table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
- table_desc->aml_length = (u32) (table_desc->length -
- (u32) sizeof (struct acpi_table_header));
- table_desc->table_id = acpi_ut_allocate_owner_id (
- ACPI_OWNER_TYPE_TABLE);
+ table_desc->type = (u8) table_type;
+ table_desc->pointer = table_info->pointer;
+ table_desc->length = table_info->length;
+ table_desc->allocation = table_info->allocation;
+ table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
+ table_desc->aml_length = (u32) (table_desc->length -
+ (u32) sizeof(struct
+ acpi_table_header));
table_desc->loaded_into_namespace = FALSE;
/*
* newly installed table
*/
if (acpi_gbl_table_data[table_type].global_ptr) {
- *(acpi_gbl_table_data[table_type].global_ptr) = table_info->pointer;
+ *(acpi_gbl_table_data[table_type].global_ptr) =
+ table_info->pointer;
}
/* Return Data */
- table_info->table_id = table_desc->table_id;
- table_info->installed_desc = table_desc;
+ table_info->owner_id = table_desc->owner_id;
+ table_info->installed_desc = table_desc;
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_delete_all_tables
*
******************************************************************************/
-void
-acpi_tb_delete_all_tables (
- void)
+void acpi_tb_delete_all_tables(void)
{
- acpi_table_type type;
-
+ acpi_table_type type;
/*
* Free memory allocated for ACPI tables
* Memory can either be mapped or allocated
*/
for (type = 0; type < NUM_ACPI_TABLE_TYPES; type++) {
- acpi_tb_delete_tables_by_type (type);
+ acpi_tb_delete_tables_by_type(type);
}
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_delete_tables_by_type
*
******************************************************************************/
-void
-acpi_tb_delete_tables_by_type (
- acpi_table_type type)
+void acpi_tb_delete_tables_by_type(acpi_table_type type)
{
- struct acpi_table_desc *table_desc;
- u32 count;
- u32 i;
-
-
- ACPI_FUNCTION_TRACE_U32 ("tb_delete_tables_by_type", type);
+ struct acpi_table_desc *table_desc;
+ u32 count;
+ u32 i;
+ ACPI_FUNCTION_TRACE_U32("tb_delete_tables_by_type", type);
if (type > ACPI_TABLE_MAX) {
return_VOID;
}
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_TABLES))) {
+ if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_TABLES))) {
return;
}
* 1) Get the head of the list
*/
table_desc = acpi_gbl_table_lists[type].next;
- count = acpi_gbl_table_lists[type].count;
+ count = acpi_gbl_table_lists[type].count;
/*
* 2) Walk the entire list, deleting both the allocated tables
* and the table descriptors
*/
for (i = 0; i < count; i++) {
- table_desc = acpi_tb_uninstall_table (table_desc);
+ table_desc = acpi_tb_uninstall_table(table_desc);
}
- (void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
+ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_delete_single_table
*
******************************************************************************/
-void
-acpi_tb_delete_single_table (
- struct acpi_table_desc *table_desc)
+void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc)
{
/* Must have a valid table descriptor and pointer */
- if ((!table_desc) ||
- (!table_desc->pointer)) {
+ if ((!table_desc) || (!table_desc->pointer)) {
return;
}
case ACPI_MEM_ALLOCATED:
- ACPI_MEM_FREE (table_desc->pointer);
+ ACPI_MEM_FREE(table_desc->pointer);
break;
case ACPI_MEM_MAPPED:
- acpi_os_unmap_memory (table_desc->pointer, table_desc->length);
+ acpi_os_unmap_memory(table_desc->pointer, table_desc->length);
break;
default:
}
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_uninstall_table
*
******************************************************************************/
-struct acpi_table_desc *
-acpi_tb_uninstall_table (
- struct acpi_table_desc *table_desc)
+struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
+ *table_desc)
{
- struct acpi_table_desc *next_desc;
-
-
- ACPI_FUNCTION_TRACE_PTR ("tb_uninstall_table", table_desc);
+ struct acpi_table_desc *next_desc;
+ ACPI_FUNCTION_TRACE_PTR("tb_uninstall_table", table_desc);
if (!table_desc) {
- return_PTR (NULL);
+ return_PTR(NULL);
}
/* Unlink the descriptor from the doubly linked list */
if (table_desc->prev) {
table_desc->prev->next = table_desc->next;
- }
- else {
+ } else {
/* Is first on list, update list head */
acpi_gbl_table_lists[table_desc->type].next = table_desc->next;
/* Free the memory allocated for the table itself */
- acpi_tb_delete_single_table (table_desc);
+ acpi_tb_delete_single_table(table_desc);
/* Free the table descriptor */
next_desc = table_desc->next;
- ACPI_MEM_FREE (table_desc);
+ ACPI_MEM_FREE(table_desc);
/* Return pointer to the next descriptor */
- return_PTR (next_desc);
+ return_PTR(next_desc);
}
-
-
git.openpandora.org / pandora-kernel.git / blobdiff