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-rw-r--r--drivers/acpi/executer/exconfig.c535
1 files changed, 0 insertions, 535 deletions
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
deleted file mode 100644
index 74da6fa52ef..00000000000
--- a/drivers/acpi/executer/exconfig.c
+++ /dev/null
@@ -1,535 +0,0 @@
-/******************************************************************************
- *
- * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
- *
- *****************************************************************************/
-
-/*
- * 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/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
-#include <acpi/acdispat.h>
-
-#define _COMPONENT ACPI_EXECUTER
-ACPI_MODULE_NAME("exconfig")
-
-/* Local prototypes */
-static acpi_status
-acpi_ex_add_table(u32 table_index,
- struct acpi_namespace_node *parent_node,
- union acpi_operand_object **ddb_handle);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_add_table
- *
- * PARAMETERS: Table - Pointer to raw table
- * parent_node - Where to load the table (scope)
- * ddb_handle - Where to return the table handle.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Common function to Install and Load an ACPI table with a
- * returned table handle.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ex_add_table(u32 table_index,
- struct acpi_namespace_node *parent_node,
- union acpi_operand_object **ddb_handle)
-{
- acpi_status status;
- union acpi_operand_object *obj_desc;
-
- ACPI_FUNCTION_TRACE(ex_add_table);
-
- /* Create an object to be the table handle */
-
- obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- /* Init the table handle */
-
- obj_desc->reference.class = ACPI_REFCLASS_TABLE;
- *ddb_handle = obj_desc;
-
- /* Install the new table into the local data structures */
-
- obj_desc->reference.value = table_index;
-
- /* Add the table to the namespace */
-
- status = acpi_ns_load_table(table_index, parent_node);
- if (ACPI_FAILURE(status)) {
- acpi_ut_remove_reference(obj_desc);
- *ddb_handle = NULL;
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_load_table_op
- *
- * PARAMETERS: walk_state - Current state with operands
- * return_desc - Where to store the return object
- *
- * RETURN: Status
- *
- * DESCRIPTION: Load an ACPI table from the RSDT/XSDT
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
- union acpi_operand_object **return_desc)
-{
- acpi_status status;
- union acpi_operand_object **operand = &walk_state->operands[0];
- struct acpi_namespace_node *parent_node;
- struct acpi_namespace_node *start_node;
- struct acpi_namespace_node *parameter_node = NULL;
- union acpi_operand_object *ddb_handle;
- struct acpi_table_header *table;
- u32 table_index;
-
- ACPI_FUNCTION_TRACE(ex_load_table_op);
-
- /* Validate lengths for the signature_string, OEMIDString, OEMtable_iD */
-
- if ((operand[0]->string.length > ACPI_NAME_SIZE) ||
- (operand[1]->string.length > ACPI_OEM_ID_SIZE) ||
- (operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Find the ACPI table in the RSDT/XSDT */
-
- status = acpi_tb_find_table(operand[0]->string.pointer,
- operand[1]->string.pointer,
- operand[2]->string.pointer, &table_index);
- if (ACPI_FAILURE(status)) {
- if (status != AE_NOT_FOUND) {
- return_ACPI_STATUS(status);
- }
-
- /* Table not found, return an Integer=0 and AE_OK */
-
- ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
- if (!ddb_handle) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- ddb_handle->integer.value = 0;
- *return_desc = ddb_handle;
-
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Default nodes */
-
- start_node = walk_state->scope_info->scope.node;
- parent_node = acpi_gbl_root_node;
-
- /* root_path (optional parameter) */
-
- if (operand[3]->string.length > 0) {
- /*
- * Find the node referenced by the root_path_string. This is the
- * location within the namespace where the table will be loaded.
- */
- status =
- acpi_ns_get_node(start_node, operand[3]->string.pointer,
- ACPI_NS_SEARCH_PARENT, &parent_node);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /* parameter_path (optional parameter) */
-
- if (operand[4]->string.length > 0) {
- if ((operand[4]->string.pointer[0] != '\\') &&
- (operand[4]->string.pointer[0] != '^')) {
- /*
- * Path is not absolute, so it will be relative to the node
- * referenced by the root_path_string (or the NS root if omitted)
- */
- start_node = parent_node;
- }
-
- /* Find the node referenced by the parameter_path_string */
-
- status =
- acpi_ns_get_node(start_node, operand[4]->string.pointer,
- ACPI_NS_SEARCH_PARENT, &parameter_node);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /* Load the table into the namespace */
-
- status = acpi_ex_add_table(table_index, parent_node, &ddb_handle);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Parameter Data (optional) */
-
- if (parameter_node) {
-
- /* Store the parameter data into the optional parameter object */
-
- status = acpi_ex_store(operand[5],
- ACPI_CAST_PTR(union acpi_operand_object,
- parameter_node),
- walk_state);
- if (ACPI_FAILURE(status)) {
- (void)acpi_ex_unload_table(ddb_handle);
- return_ACPI_STATUS(status);
- }
- }
-
- status = acpi_get_table_by_index(table_index, &table);
- if (ACPI_SUCCESS(status)) {
- ACPI_INFO((AE_INFO,
- "Dynamic OEM Table Load - [%.4s] OemId [%.6s] OemTableId [%.8s]",
- table->signature, table->oem_id,
- table->oem_table_id));
- }
-
- /* Invoke table handler if present */
-
- if (acpi_gbl_table_handler) {
- (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
- acpi_gbl_table_handler_context);
- }
-
- *return_desc = ddb_handle;
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_load_op
- *
- * PARAMETERS: obj_desc - Region or Buffer/Field where the table will be
- * obtained
- * Target - Where a handle to the table will be stored
- * walk_state - Current state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Load an ACPI table from a field or operation region
- *
- * NOTE: Region Fields (Field, bank_field, index_fields) are resolved to buffer
- * objects before this code is reached.
- *
- * If source is an operation region, it must refer to system_memory, as
- * per the ACPI specification.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_load_op(union acpi_operand_object *obj_desc,
- union acpi_operand_object *target,
- struct acpi_walk_state *walk_state)
-{
- union acpi_operand_object *ddb_handle;
- struct acpi_table_header *table;
- struct acpi_table_desc table_desc;
- u32 table_index;
- acpi_status status;
- u32 length;
-
- ACPI_FUNCTION_TRACE(ex_load_op);
-
- ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc));
-
- /* Source Object can be either an op_region or a Buffer/Field */
-
- switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
- case ACPI_TYPE_REGION:
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Load table from Region %p\n", obj_desc));
-
- /* Region must be system_memory (from ACPI spec) */
-
- if (obj_desc->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) {
- return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
- }
-
- /*
- * If the Region Address and Length have not been previously evaluated,
- * evaluate them now and save the results.
- */
- if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) {
- status = acpi_ds_get_region_arguments(obj_desc);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /*
- * Map the table header and get the actual table length. The region
- * length is not guaranteed to be the same as the table length.
- */
- table = acpi_os_map_memory(obj_desc->region.address,
- sizeof(struct acpi_table_header));
- if (!table) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- length = table->length;
- acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
-
- /* Must have at least an ACPI table header */
-
- if (length < sizeof(struct acpi_table_header)) {
- return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
- }
-
- /*
- * The memory region is not guaranteed to remain stable and we must
- * copy the table to a local buffer. For example, the memory region
- * is corrupted after suspend on some machines. Dynamically loaded
- * tables are usually small, so this overhead is minimal.
- */
-
- /* Allocate a buffer for the table */
-
- table_desc.pointer = ACPI_ALLOCATE(length);
- if (!table_desc.pointer) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- /* Map the entire table and copy it */
-
- table = acpi_os_map_memory(obj_desc->region.address, length);
- if (!table) {
- ACPI_FREE(table_desc.pointer);
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- ACPI_MEMCPY(table_desc.pointer, table, length);
- acpi_os_unmap_memory(table, length);
-
- table_desc.address = obj_desc->region.address;
- break;
-
- case ACPI_TYPE_BUFFER: /* Buffer or resolved region_field */
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Load table from Buffer or Field %p\n",
- obj_desc));
-
- /* Must have at least an ACPI table header */
-
- if (obj_desc->buffer.length < sizeof(struct acpi_table_header)) {
- return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
- }
-
- /* Get the actual table length from the table header */
-
- table =
- ACPI_CAST_PTR(struct acpi_table_header,
- obj_desc->buffer.pointer);
- length = table->length;
-
- /* Table cannot extend beyond the buffer */
-
- if (length > obj_desc->buffer.length) {
- return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
- }
- if (length < sizeof(struct acpi_table_header)) {
- return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
- }
-
- /*
- * Copy the table from the buffer because the buffer could be modified
- * or even deleted in the future
- */
- table_desc.pointer = ACPI_ALLOCATE(length);
- if (!table_desc.pointer) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- ACPI_MEMCPY(table_desc.pointer, table, length);
- table_desc.address = ACPI_TO_INTEGER(table_desc.pointer);
- break;
-
- default:
- return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
- }
-
- /* Validate table checksum (will not get validated in tb_add_table) */
-
- status = acpi_tb_verify_checksum(table_desc.pointer, length);
- if (ACPI_FAILURE(status)) {
- ACPI_FREE(table_desc.pointer);
- return_ACPI_STATUS(status);
- }
-
- /* Complete the table descriptor */
-
- table_desc.length = length;
- table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED;
-
- /* Install the new table into the local data structures */
-
- status = acpi_tb_add_table(&table_desc, &table_index);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- /*
- * Add the table to the namespace.
- *
- * Note: Load the table objects relative to the root of the namespace.
- * This appears to go against the ACPI specification, but we do it for
- * compatibility with other ACPI implementations.
- */
- status =
- acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
- if (ACPI_FAILURE(status)) {
-
- /* On error, table_ptr was deallocated above */
-
- return_ACPI_STATUS(status);
- }
-
- /* Store the ddb_handle into the Target operand */
-
- status = acpi_ex_store(ddb_handle, target, walk_state);
- if (ACPI_FAILURE(status)) {
- (void)acpi_ex_unload_table(ddb_handle);
-
- /* table_ptr was deallocated above */
-
- acpi_ut_remove_reference(ddb_handle);
- return_ACPI_STATUS(status);
- }
-
- /* Invoke table handler if present */
-
- if (acpi_gbl_table_handler) {
- (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD,
- table_desc.pointer,
- acpi_gbl_table_handler_context);
- }
-
- cleanup:
- if (ACPI_FAILURE(status)) {
-
- /* Delete allocated table buffer */
-
- acpi_tb_delete_table(&table_desc);
- }
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_unload_table
- *
- * PARAMETERS: ddb_handle - Handle to a previously loaded table
- *
- * RETURN: Status
- *
- * DESCRIPTION: Unload an ACPI table
- *
- ******************************************************************************/
-
-acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
-{
- acpi_status status = AE_OK;
- union acpi_operand_object *table_desc = ddb_handle;
- u32 table_index;
- struct acpi_table_header *table;
-
- ACPI_FUNCTION_TRACE(ex_unload_table);
-
- /*
- * Validate the handle
- * Although the handle is partially validated in acpi_ex_reconfiguration(),
- * when it calls acpi_ex_resolve_operands(), the handle is more completely
- * validated here.
- */
- if ((!ddb_handle) ||
- (ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) ||
- (ACPI_GET_OBJECT_TYPE(ddb_handle) != ACPI_TYPE_LOCAL_REFERENCE)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Get the table index from the ddb_handle */
-
- table_index = table_desc->reference.value;
-
- /* Invoke table handler if present */
-
- if (acpi_gbl_table_handler) {
- status = acpi_get_table_by_index(table_index, &table);
- if (ACPI_SUCCESS(status)) {
- (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_UNLOAD,
- table,
- acpi_gbl_table_handler_context);
- }
- }
-
- /*
- * Delete the entire namespace under this table Node
- * (Offset contains the table_id)
- */
- acpi_tb_delete_namespace_by_owner(table_index);
- (void)acpi_tb_release_owner_id(table_index);
-
- acpi_tb_set_table_loaded_flag(table_index, FALSE);
-
- /* Table unloaded, remove a reference to the ddb_handle object */
-
- acpi_ut_remove_reference(ddb_handle);
- return_ACPI_STATUS(AE_OK);
-}