diff options
Diffstat (limited to 'drivers/acpi/tables/tbinstal.c')
| -rw-r--r-- | drivers/acpi/tables/tbinstal.c | 573 |
1 files changed, 0 insertions, 573 deletions
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c deleted file mode 100644 index 18747ce8dd2f..000000000000 --- a/drivers/acpi/tables/tbinstal.c +++ /dev/null @@ -1,573 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbinstal - ACPI table installation and removal - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * 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> -#include <acpi/acnamesp.h> -#include <acpi/actables.h> - -#define _COMPONENT ACPI_TABLES -ACPI_MODULE_NAME("tbinstal") - -/****************************************************************************** - * - * FUNCTION: acpi_tb_verify_table - * - * PARAMETERS: table_desc - table - * - * RETURN: Status - * - * DESCRIPTION: this function is called to verify and map table - * - *****************************************************************************/ -acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(tb_verify_table); - - /* Map the table if necessary */ - - if (!table_desc->pointer) { - if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) == - ACPI_TABLE_ORIGIN_MAPPED) { - table_desc->pointer = - acpi_os_map_memory(table_desc->address, - table_desc->length); - } - if (!table_desc->pointer) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - } - - /* FACS is the odd table, has no standard ACPI header and no checksum */ - - if (!ACPI_COMPARE_NAME(&table_desc->signature, ACPI_SIG_FACS)) { - - /* Always calculate checksum, ignore bad checksum if requested */ - - status = - acpi_tb_verify_checksum(table_desc->pointer, - table_desc->length); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_add_table - * - * PARAMETERS: table_desc - Table descriptor - * table_index - Where the table index is returned - * - * RETURN: Status - * - * DESCRIPTION: This function is called to add the ACPI table - * - ******************************************************************************/ - -acpi_status -acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index) -{ - u32 i; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(tb_add_table); - - if (!table_desc->pointer) { - status = acpi_tb_verify_table(table_desc); - if (ACPI_FAILURE(status) || !table_desc->pointer) { - return_ACPI_STATUS(status); - } - } - - /* - * Originally, we checked the table signature for "SSDT" or "PSDT" here. - * Next, we added support for OEMx tables, signature "OEM". - * Valid tables were encountered with a null signature, so we've just - * given up on validating the signature, since it seems to be a waste - * of code. The original code was removed (05/2008). - */ - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - - /* Check if table is already registered */ - - for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { - if (!acpi_gbl_root_table_list.tables[i].pointer) { - status = - acpi_tb_verify_table(&acpi_gbl_root_table_list. - tables[i]); - if (ACPI_FAILURE(status) - || !acpi_gbl_root_table_list.tables[i].pointer) { - continue; - } - } - - /* - * Check for a table match on the entire table length, - * not just the header. - */ - if (table_desc->length != - acpi_gbl_root_table_list.tables[i].length) { - continue; - } - - if (ACPI_MEMCMP(table_desc->pointer, - acpi_gbl_root_table_list.tables[i].pointer, - acpi_gbl_root_table_list.tables[i].length)) { - continue; - } - - /* - * Note: the current mechanism does not unregister a table if it is - * dynamically unloaded. The related namespace entries are deleted, - * but the table remains in the root table list. - * - * The assumption here is that the number of different tables that - * will be loaded is actually small, and there is minimal overhead - * in just keeping the table in case it is needed again. - * - * If this assumption changes in the future (perhaps on large - * machines with many table load/unload operations), tables will - * need to be unregistered when they are unloaded, and slots in the - * root table list should be reused when empty. - */ - - /* - * Table is already registered. - * We can delete the table that was passed as a parameter. - */ - acpi_tb_delete_table(table_desc); - *table_index = i; - - if (acpi_gbl_root_table_list.tables[i]. - flags & ACPI_TABLE_IS_LOADED) { - - /* Table is still loaded, this is an error */ - - status = AE_ALREADY_EXISTS; - goto release; - } else { - /* Table was unloaded, allow it to be reloaded */ - - table_desc->pointer = - acpi_gbl_root_table_list.tables[i].pointer; - table_desc->address = - acpi_gbl_root_table_list.tables[i].address; - status = AE_OK; - goto print_header; - } - } - - /* Add the table to the global root table list */ - - status = acpi_tb_store_table(table_desc->address, table_desc->pointer, - table_desc->length, table_desc->flags, - table_index); - if (ACPI_FAILURE(status)) { - goto release; - } - - print_header: - acpi_tb_print_table_header(table_desc->address, table_desc->pointer); - - release: - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_resize_root_table_list - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Expand the size of global table array - * - ******************************************************************************/ - -acpi_status acpi_tb_resize_root_table_list(void) -{ - struct acpi_table_desc *tables; - - ACPI_FUNCTION_TRACE(tb_resize_root_table_list); - - /* allow_resize flag is a parameter to acpi_initialize_tables */ - - if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) { - ACPI_ERROR((AE_INFO, - "Resize of Root Table Array is not allowed")); - return_ACPI_STATUS(AE_SUPPORT); - } - - /* Increase the Table Array size */ - - tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list. - size + ACPI_ROOT_TABLE_SIZE_INCREMENT) - * sizeof(struct acpi_table_desc)); - if (!tables) { - ACPI_ERROR((AE_INFO, - "Could not allocate new root table array")); - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Copy and free the previous table array */ - - if (acpi_gbl_root_table_list.tables) { - ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, - (acpi_size) acpi_gbl_root_table_list.size * - sizeof(struct acpi_table_desc)); - - if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { - ACPI_FREE(acpi_gbl_root_table_list.tables); - } - } - - acpi_gbl_root_table_list.tables = tables; - acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT; - acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED; - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_store_table - * - * PARAMETERS: Address - Table address - * Table - Table header - * Length - Table length - * Flags - flags - * - * RETURN: Status and table index. - * - * DESCRIPTION: Add an ACPI table to the global table list - * - ******************************************************************************/ - -acpi_status -acpi_tb_store_table(acpi_physical_address address, - struct acpi_table_header *table, - u32 length, u8 flags, u32 *table_index) -{ - acpi_status status = AE_OK; - - /* Ensure that there is room for the table in the Root Table List */ - - if (acpi_gbl_root_table_list.count >= acpi_gbl_root_table_list.size) { - status = acpi_tb_resize_root_table_list(); - if (ACPI_FAILURE(status)) { - return (status); - } - } - - /* Initialize added table */ - - acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. - address = address; - acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. - pointer = table; - acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].length = - length; - acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count]. - owner_id = 0; - acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].flags = - flags; - - ACPI_MOVE_32_TO_32(& - (acpi_gbl_root_table_list. - tables[acpi_gbl_root_table_list.count].signature), - table->signature); - - *table_index = acpi_gbl_root_table_list.count; - acpi_gbl_root_table_list.count++; - return (status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_delete_table - * - * PARAMETERS: table_index - Table index - * - * RETURN: None - * - * DESCRIPTION: Delete one internal ACPI table - * - ******************************************************************************/ - -void acpi_tb_delete_table(struct acpi_table_desc *table_desc) -{ - /* Table must be mapped or allocated */ - if (!table_desc->pointer) { - return; - } - switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) { - case ACPI_TABLE_ORIGIN_MAPPED: - acpi_os_unmap_memory(table_desc->pointer, table_desc->length); - break; - case ACPI_TABLE_ORIGIN_ALLOCATED: - ACPI_FREE(table_desc->pointer); - break; - default:; - } - - table_desc->pointer = NULL; -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_terminate - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Delete all internal ACPI tables - * - ******************************************************************************/ - -void acpi_tb_terminate(void) -{ - u32 i; - - ACPI_FUNCTION_TRACE(tb_terminate); - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - - /* Delete the individual tables */ - - for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { - acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]); - } - - /* - * Delete the root table array if allocated locally. Array cannot be - * mapped, so we don't need to check for that flag. - */ - if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { - ACPI_FREE(acpi_gbl_root_table_list.tables); - } - - acpi_gbl_root_table_list.tables = NULL; - acpi_gbl_root_table_list.flags = 0; - acpi_gbl_root_table_list.count = 0; - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n")); - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_delete_namespace_by_owner - * - * PARAMETERS: table_index - Table index - * - * RETURN: None - * - * DESCRIPTION: Delete all namespace objects created when this table was loaded. - * - ******************************************************************************/ - -void acpi_tb_delete_namespace_by_owner(u32 table_index) -{ - acpi_owner_id owner_id; - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (table_index < acpi_gbl_root_table_list.count) { - owner_id = - acpi_gbl_root_table_list.tables[table_index].owner_id; - } else { - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return; - } - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - acpi_ns_delete_namespace_by_owner(owner_id); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_allocate_owner_id - * - * PARAMETERS: table_index - Table index - * - * RETURN: Status - * - * DESCRIPTION: Allocates owner_id in table_desc - * - ******************************************************************************/ - -acpi_status acpi_tb_allocate_owner_id(u32 table_index) -{ - acpi_status status = AE_BAD_PARAMETER; - - ACPI_FUNCTION_TRACE(tb_allocate_owner_id); - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (table_index < acpi_gbl_root_table_list.count) { - status = acpi_ut_allocate_owner_id - (&(acpi_gbl_root_table_list.tables[table_index].owner_id)); - } - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_release_owner_id - * - * PARAMETERS: table_index - Table index - * - * RETURN: Status - * - * DESCRIPTION: Releases owner_id in table_desc - * - ******************************************************************************/ - -acpi_status acpi_tb_release_owner_id(u32 table_index) -{ - acpi_status status = AE_BAD_PARAMETER; - - ACPI_FUNCTION_TRACE(tb_release_owner_id); - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (table_index < acpi_gbl_root_table_list.count) { - acpi_ut_release_owner_id(& - (acpi_gbl_root_table_list. - tables[table_index].owner_id)); - status = AE_OK; - } - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_get_owner_id - * - * PARAMETERS: table_index - Table index - * owner_id - Where the table owner_id is returned - * - * RETURN: Status - * - * DESCRIPTION: returns owner_id for the ACPI table - * - ******************************************************************************/ - -acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id) -{ - acpi_status status = AE_BAD_PARAMETER; - - ACPI_FUNCTION_TRACE(tb_get_owner_id); - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (table_index < acpi_gbl_root_table_list.count) { - *owner_id = - acpi_gbl_root_table_list.tables[table_index].owner_id; - status = AE_OK; - } - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_is_table_loaded - * - * PARAMETERS: table_index - Table index - * - * RETURN: Table Loaded Flag - * - ******************************************************************************/ - -u8 acpi_tb_is_table_loaded(u32 table_index) -{ - u8 is_loaded = FALSE; - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (table_index < acpi_gbl_root_table_list.count) { - is_loaded = (u8) - (acpi_gbl_root_table_list.tables[table_index]. - flags & ACPI_TABLE_IS_LOADED); - } - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return (is_loaded); -} - -/******************************************************************************* - * - * FUNCTION: acpi_tb_set_table_loaded_flag - * - * PARAMETERS: table_index - Table index - * is_loaded - TRUE if table is loaded, FALSE otherwise - * - * RETURN: None - * - * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE. - * - ******************************************************************************/ - -void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded) -{ - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - if (table_index < acpi_gbl_root_table_list.count) { - if (is_loaded) { - acpi_gbl_root_table_list.tables[table_index].flags |= - ACPI_TABLE_IS_LOADED; - } else { - acpi_gbl_root_table_list.tables[table_index].flags &= - ~ACPI_TABLE_IS_LOADED; - } - } - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); -} |