c51a4de85d
Fixed a problem in the AML parser where the method thread count could be decremented below zero if any errors occurred during the method parse phase. This should eliminate AE_AML_METHOD_LIMIT exceptions seen on some machines. This also fixed a related regression with the mechanism that detects and corrects methods that cannot properly handle reentrancy (related to the deployment of the new OwnerId mechanism.) Eliminated the pre-parsing of control methods (to detect errors) during table load. Related to the problem above, this was causing unwind issues if any errors occurred during the parse, and it seemed to be overkill. A table load should not be aborted if there are problems with any single control method, thus rendering this feature rather pointless. Fixed a problem with the new table-driven resource manager where an internal buffer overflow could occur for small resource templates. Implemented a new external interface, acpi_get_vendor_resource() This interface will find and return a vendor-defined resource descriptor within a _CRS or _PRS method via an ACPI 3.0 UUID match. (from Bjorn Helgaas) Removed the length limit (200) on string objects as per the upcoming ACPI 3.0A specification. This affects the following areas of the interpreter: 1) any implicit conversion of a Buffer to a String, 2) a String object result of the ASL Concatentate operator, 3) the String object result of the ASL ToString operator. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
334 lines
9.4 KiB
C
334 lines
9.4 KiB
C
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/******************************************************************************
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*
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* Name: acpixf.h - External interfaces to the ACPI subsystem
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2005, R. Byron Moore
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACXFACE_H__
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#define __ACXFACE_H__
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#include "actypes.h"
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#include "actbl.h"
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/*
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* Global interfaces
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*/
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acpi_status acpi_initialize_subsystem(void);
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acpi_status acpi_enable_subsystem(u32 flags);
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acpi_status acpi_initialize_objects(u32 flags);
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acpi_status acpi_terminate(void);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_subsystem_status(void);
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#endif
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acpi_status acpi_enable(void);
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acpi_status acpi_disable(void);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
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#endif
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const char *acpi_format_exception(acpi_status exception);
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acpi_status acpi_purge_cached_objects(void);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
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#endif
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/*
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* ACPI Memory managment
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*/
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void *acpi_allocate(u32 size);
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void *acpi_callocate(u32 size);
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void acpi_free(void *address);
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/*
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* ACPI table manipulation interfaces
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*/
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acpi_status
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acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address);
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acpi_status acpi_load_tables(void);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
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acpi_status acpi_unload_table(acpi_table_type table_type);
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acpi_status
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acpi_get_table_header(acpi_table_type table_type,
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u32 instance, struct acpi_table_header *out_table_header);
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#endif /* ACPI_FUTURE_USAGE */
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acpi_status
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acpi_get_table(acpi_table_type table_type,
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u32 instance, struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_get_firmware_table(acpi_string signature,
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u32 instance,
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u32 flags, struct acpi_table_header **table_pointer);
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/*
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* Namespace and name interfaces
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*/
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acpi_status
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acpi_walk_namespace(acpi_object_type type,
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acpi_handle start_object,
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u32 max_depth,
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acpi_walk_callback user_function,
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void *context, void **return_value);
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acpi_status
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acpi_get_devices(char *HID,
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acpi_walk_callback user_function,
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void *context, void **return_value);
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acpi_status
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acpi_get_name(acpi_handle handle,
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u32 name_type, struct acpi_buffer *ret_path_ptr);
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acpi_status
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acpi_get_handle(acpi_handle parent,
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acpi_string pathname, acpi_handle * ret_handle);
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acpi_status
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acpi_attach_data(acpi_handle obj_handle,
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acpi_object_handler handler, void *data);
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acpi_status
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acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler);
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acpi_status
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acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data);
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acpi_status
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acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
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/*
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* Object manipulation and enumeration
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*/
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acpi_status
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acpi_evaluate_object(acpi_handle object,
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acpi_string pathname,
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struct acpi_object_list *parameter_objects,
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struct acpi_buffer *return_object_buffer);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_evaluate_object_typed(acpi_handle object,
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acpi_string pathname,
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struct acpi_object_list *external_params,
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struct acpi_buffer *return_buffer,
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acpi_object_type return_type);
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#endif
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acpi_status
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acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);
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acpi_status
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acpi_get_next_object(acpi_object_type type,
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acpi_handle parent,
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acpi_handle child, acpi_handle * out_handle);
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acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
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acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
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/*
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* Event handler interfaces
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*/
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acpi_status
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acpi_install_fixed_event_handler(u32 acpi_event,
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acpi_event_handler handler, void *context);
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acpi_status
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acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
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acpi_status
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acpi_install_notify_handler(acpi_handle device,
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u32 handler_type,
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acpi_notify_handler handler, void *context);
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acpi_status
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acpi_remove_notify_handler(acpi_handle device,
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u32 handler_type, acpi_notify_handler handler);
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acpi_status
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acpi_install_address_space_handler(acpi_handle device,
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acpi_adr_space_type space_id,
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acpi_adr_space_handler handler,
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acpi_adr_space_setup setup, void *context);
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acpi_status
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acpi_remove_address_space_handler(acpi_handle device,
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acpi_adr_space_type space_id,
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acpi_adr_space_handler handler);
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acpi_status
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acpi_install_gpe_handler(acpi_handle gpe_device,
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u32 gpe_number,
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u32 type, acpi_event_handler address, void *context);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
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#endif
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/*
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* Event interfaces
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*/
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acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
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acpi_status acpi_release_global_lock(u32 handle);
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acpi_status
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acpi_remove_gpe_handler(acpi_handle gpe_device,
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u32 gpe_number, acpi_event_handler address);
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acpi_status acpi_enable_event(u32 event, u32 flags);
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acpi_status acpi_disable_event(u32 event, u32 flags);
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acpi_status acpi_clear_event(u32 event);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
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#endif /* ACPI_FUTURE_USAGE */
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acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
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acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
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acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
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acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_get_gpe_status(acpi_handle gpe_device,
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u32 gpe_number,
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u32 flags, acpi_event_status * event_status);
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#endif /* ACPI_FUTURE_USAGE */
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acpi_status
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acpi_install_gpe_block(acpi_handle gpe_device,
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struct acpi_generic_address *gpe_block_address,
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u32 register_count, u32 interrupt_number);
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acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
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/*
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* Resource interfaces
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*/
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typedef
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acpi_status(*ACPI_WALK_RESOURCE_CALLBACK) (struct acpi_resource * resource,
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void *context);
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acpi_status
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acpi_get_vendor_resource(acpi_handle device_handle,
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char *name,
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struct acpi_vendor_uuid *uuid,
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struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_get_current_resources(acpi_handle device_handle,
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struct acpi_buffer *ret_buffer);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_get_possible_resources(acpi_handle device_handle,
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struct acpi_buffer *ret_buffer);
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#endif
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acpi_status
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acpi_walk_resources(acpi_handle device_handle,
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char *name,
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ACPI_WALK_RESOURCE_CALLBACK user_function, void *context);
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acpi_status
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acpi_set_current_resources(acpi_handle device_handle,
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struct acpi_buffer *in_buffer);
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acpi_status
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acpi_get_irq_routing_table(acpi_handle bus_device_handle,
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struct acpi_buffer *ret_buffer);
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acpi_status
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acpi_resource_to_address64(struct acpi_resource *resource,
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struct acpi_resource_address64 *out);
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/*
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* Hardware (ACPI device) interfaces
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*/
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acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags);
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acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags);
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acpi_status
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acpi_set_firmware_waking_vector(acpi_physical_address physical_address);
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#ifdef ACPI_FUTURE_USAGE
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acpi_status
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acpi_get_firmware_waking_vector(acpi_physical_address * physical_address);
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#endif
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acpi_status
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acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
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acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
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acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
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acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
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acpi_status acpi_leave_sleep_state(u8 sleep_state);
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#endif /* __ACXFACE_H__ */
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