*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acdispat.h>
-
+#include <acpi/actables.h>
#define _COMPONENT ACPI_NAMESPACE
- ACPI_MODULE_NAME ("nsload")
+ACPI_MODULE_NAME("nsload")
/* Local prototypes */
-
-static acpi_status
-acpi_ns_load_table_by_type (
- acpi_table_type table_type);
-
#ifdef ACPI_FUTURE_IMPLEMENTATION
-acpi_status
-acpi_ns_unload_namespace (
- acpi_handle handle);
+acpi_status acpi_ns_unload_namespace(acpi_handle handle);
-static acpi_status
-acpi_ns_delete_subtree (
- acpi_handle start_handle);
+static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle);
#endif
-
#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
*
* FUNCTION: acpi_ns_load_table
*
- * PARAMETERS: table_desc - Descriptor for table to be loaded
+ * PARAMETERS: table_index - Index for table to be loaded
* Node - Owning NS node
*
* RETURN: Status
******************************************************************************/
acpi_status
-acpi_ns_load_table (
- struct acpi_table_desc *table_desc,
- struct acpi_namespace_node *node)
+acpi_ns_load_table(acpi_native_uint table_index,
+ struct acpi_namespace_node *node)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ns_load_table");
-
-
- /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */
-
- if (!(acpi_gbl_table_data[table_desc->type].flags & ACPI_TABLE_EXECUTABLE)) {
- /* Just ignore this table */
-
- return_ACPI_STATUS (AE_OK);
- }
-
- /* Check validity of the AML start and length */
-
- if (!table_desc->aml_start) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null AML pointer\n"));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AML block at %p\n",
- table_desc->aml_start));
-
- /* Ignore table if there is no AML contained within */
+ acpi_status status;
- if (!table_desc->aml_length) {
- ACPI_REPORT_WARNING (("Zero-length AML block in table [%4.4s]\n",
- table_desc->pointer->signature));
- return_ACPI_STATUS (AE_OK);
- }
+ ACPI_FUNCTION_TRACE(ns_load_table);
/*
* Parse the table and load the namespace with all named
* to another control method, we can't continue parsing
* because we don't know how many arguments to parse next!
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "**** Loading table into namespace ****\n"));
-
- status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- status = acpi_ns_parse_table (table_desc, node->child);
- (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+ /* If table already loaded into namespace, just return */
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ if (acpi_tb_is_table_loaded(table_index)) {
+ status = AE_ALREADY_EXISTS;
+ goto unlock;
}
- /*
- * Now we can parse the control methods. We always parse
- * them here for a sanity check, and if configured for
- * just-in-time parsing, we delete the control method
- * parse trees.
- */
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "**** Begin Table Method Parsing and Object Initialization ****\n"));
-
- status = acpi_ds_initialize_objects (table_desc, node);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "**** Completed Table Method Parsing and Object Initialization ****\n"));
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_load_table_by_type
- *
- * PARAMETERS: table_type - Id of the table type to load
- *
- * RETURN: Status
- *
- * DESCRIPTION: Load an ACPI table or tables into the namespace. All tables
- * of the given type are loaded. The mechanism allows this
- * routine to be called repeatedly.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ns_load_table_by_type (
- acpi_table_type table_type)
-{
- u32 i;
- acpi_status status;
- struct acpi_table_desc *table_desc;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "**** Loading table into namespace ****\n"));
+ status = acpi_tb_allocate_owner_id(table_index);
+ if (ACPI_FAILURE(status)) {
+ goto unlock;
+ }
- ACPI_FUNCTION_TRACE ("ns_load_table_by_type");
+ status = acpi_ns_parse_table(table_index, node);
+ if (ACPI_SUCCESS(status)) {
+ acpi_tb_set_table_loaded_flag(table_index, TRUE);
+ } else {
+ (void)acpi_tb_release_owner_id(table_index);
+ }
+ unlock:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/*
- * Table types supported are:
- * DSDT (one), SSDT/PSDT (multiple)
+ * Now we can parse the control methods. We always parse
+ * them here for a sanity check, and if configured for
+ * just-in-time parsing, we delete the control method
+ * parse trees.
*/
- switch (table_type) {
- case ACPI_TABLE_DSDT:
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading DSDT\n"));
-
- table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
-
- /* If table already loaded into namespace, just return */
-
- if (table_desc->loaded_into_namespace) {
- goto unlock_and_exit;
- }
-
- /* Now load the single DSDT */
-
- status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
- if (ACPI_SUCCESS (status)) {
- table_desc->loaded_into_namespace = TRUE;
- }
- break;
-
-
- case ACPI_TABLE_SSDT:
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d SSDTs\n",
- acpi_gbl_table_lists[ACPI_TABLE_SSDT].count));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "**** Begin Table Method Parsing and Object Initialization ****\n"));
- /*
- * Traverse list of SSDT tables
- */
- table_desc = acpi_gbl_table_lists[ACPI_TABLE_SSDT].next;
- for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_SSDT].count; i++) {
- /*
- * Only attempt to load table if it is not
- * already loaded!
- */
- if (!table_desc->loaded_into_namespace) {
- status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
- if (ACPI_FAILURE (status)) {
- break;
- }
-
- table_desc->loaded_into_namespace = TRUE;
- }
-
- table_desc = table_desc->next;
- }
- break;
+ status = acpi_ds_initialize_objects(table_index, node);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "**** Completed Table Method Parsing and Object Initialization ****\n"));
- case ACPI_TABLE_PSDT:
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d PSDTs\n",
- acpi_gbl_table_lists[ACPI_TABLE_PSDT].count));
-
- /*
- * Traverse list of PSDT tables
- */
- table_desc = acpi_gbl_table_lists[ACPI_TABLE_PSDT].next;
-
- for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_PSDT].count; i++) {
- /* Only attempt to load table if it is not already loaded! */
-
- if (!table_desc->loaded_into_namespace) {
- status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
- if (ACPI_FAILURE (status)) {
- break;
- }
-
- table_desc->loaded_into_namespace = TRUE;
- }
-
- table_desc = table_desc->next;
- }
- break;
-
-
- default:
- status = AE_SUPPORT;
- break;
- }
-
-
-unlock_and_exit:
- (void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
+#ifdef ACPI_OBSOLETE_FUNCTIONS
/*******************************************************************************
*
* FUNCTION: acpi_load_namespace
*
******************************************************************************/
-acpi_status
-acpi_ns_load_namespace (
- void)
+acpi_status acpi_ns_load_namespace(void)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("acpi_load_name_space");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(acpi_load_name_space);
/* There must be at least a DSDT installed */
if (acpi_gbl_DSDT == NULL) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "DSDT is not in memory\n"));
- return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+ ACPI_ERROR((AE_INFO, "DSDT is not in memory"));
+ return_ACPI_STATUS(AE_NO_ACPI_TABLES);
}
/*
* Load the namespace. The DSDT is required,
* but the SSDT and PSDT tables are optional.
*/
- status = acpi_ns_load_table_by_type (ACPI_TABLE_DSDT);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ns_load_table_by_type(ACPI_TABLE_ID_DSDT);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Ignore exceptions from these */
- (void) acpi_ns_load_table_by_type (ACPI_TABLE_SSDT);
- (void) acpi_ns_load_table_by_type (ACPI_TABLE_PSDT);
+ (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_SSDT);
+ (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_PSDT);
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
- "ACPI Namespace successfully loaded at root %p\n",
- acpi_gbl_root_node));
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ "ACPI Namespace successfully loaded at root %p\n",
+ acpi_gbl_root_node));
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
+#endif
#ifdef ACPI_FUTURE_IMPLEMENTATION
/*******************************************************************************
*
******************************************************************************/
-static acpi_status
-acpi_ns_delete_subtree (
- acpi_handle start_handle)
+static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
{
- acpi_status status;
- acpi_handle child_handle;
- acpi_handle parent_handle;
- acpi_handle next_child_handle;
- acpi_handle dummy;
- u32 level;
-
-
- ACPI_FUNCTION_TRACE ("ns_delete_subtree");
+ acpi_status status;
+ acpi_handle child_handle;
+ acpi_handle parent_handle;
+ acpi_handle next_child_handle;
+ acpi_handle dummy;
+ u32 level;
+ ACPI_FUNCTION_TRACE(ns_delete_subtree);
parent_handle = start_handle;
child_handle = NULL;
- level = 1;
+ level = 1;
/*
* Traverse the tree of objects until we bubble back up
* to where we started.
*/
while (level > 0) {
+
/* Attempt to get the next object in this scope */
- status = acpi_get_next_object (ACPI_TYPE_ANY, parent_handle,
- child_handle, &next_child_handle);
+ status = acpi_get_next_object(ACPI_TYPE_ANY, parent_handle,
+ child_handle, &next_child_handle);
child_handle = next_child_handle;
/* Did we get a new object? */
- if (ACPI_SUCCESS (status)) {
+ if (ACPI_SUCCESS(status)) {
+
/* Check if this object has any children */
- if (ACPI_SUCCESS (acpi_get_next_object (ACPI_TYPE_ANY, child_handle,
- NULL, &dummy))) {
+ if (ACPI_SUCCESS
+ (acpi_get_next_object
+ (ACPI_TYPE_ANY, child_handle, NULL, &dummy))) {
/*
* There is at least one child of this object,
* visit the object
parent_handle = child_handle;
child_handle = NULL;
}
- }
- else {
+ } else {
/*
* No more children in this object, go back up to
* the object's parent
/* Delete all children now */
- acpi_ns_delete_children (child_handle);
+ acpi_ns_delete_children(child_handle);
child_handle = parent_handle;
- status = acpi_get_parent (parent_handle, &parent_handle);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_get_parent(parent_handle, &parent_handle);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
}
/* Now delete the starting object, and we are done */
- acpi_ns_delete_node (child_handle);
+ acpi_ns_delete_node(child_handle);
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ns_unload_name_space
*
******************************************************************************/
-acpi_status
-acpi_ns_unload_namespace (
- acpi_handle handle)
+acpi_status acpi_ns_unload_namespace(acpi_handle handle)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ns_unload_name_space");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(ns_unload_name_space);
/* Parameter validation */
if (!acpi_gbl_root_node) {
- return_ACPI_STATUS (AE_NO_NAMESPACE);
+ return_ACPI_STATUS(AE_NO_NAMESPACE);
}
if (!handle) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* This function does the real work */
- status = acpi_ns_delete_subtree (handle);
+ status = acpi_ns_delete_subtree(handle);
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
#endif
#endif
-
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff