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linux/include/acpi/acevents.h
Bob Moore 958dd242b6 ACPI: ACPICA 20060512 
Replaced the acpi_os_queue_for_execution() with a new
interface named acpi_os_execute(). The major difference is
that the new interface does not have a Priority parameter,
this appeared to be useless and has been replaced by
a Type parameter. The Type tells the OS what type of
execution is being requested, such as global lock handler,
notify handler, GPE handler, etc. This allows the host
to queue and execute the request as appropriate for the
request type, possibly using different work queues and
different priorities for the various request types. This
enables fixes for multithreading deadlock problems such as
http://bugzilla.kernel.org/show_bug.cgi?id=5534
(Alexey Starikovskiy and Bob Moore)

Fixed a possible memory leak associated with the
support for the so-called "implicit return" ACPI
extension. Reported by FreeBSD  (Fiodor Suietov)
http://bugzilla.kernel.org/show_bug.cgi?id=6514

Fixed a problem with the Load() operator where a table
load from an operation region could overwrite an internal
table buffer by up to 7 bytes and cause alignment faults
on IPF systems. (With assistance from Luming Yu)

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2006-06-14 02:34:48 -04:00

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/******************************************************************************
*
* Name: acevents.h - Event subcomponent prototypes and defines
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2006, R. Byron Moore
* 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.
*/
#ifndef __ACEVENTS_H__
#define __ACEVENTS_H__
/*
* evevent
*/
acpi_status acpi_ev_initialize_events(void);
acpi_status acpi_ev_install_xrupt_handlers(void);
acpi_status acpi_ev_install_fadt_gpes(void);
u32 acpi_ev_fixed_event_detect(void);
/*
* evmisc
*/
u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);
acpi_status acpi_ev_acquire_global_lock(u16 timeout);
acpi_status acpi_ev_release_global_lock(void);
acpi_status acpi_ev_init_global_lock_handler(void);
u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
acpi_status
acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
u32 notify_value);
/*
* evgpe - GPE handling and dispatch
*/
acpi_status
acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
u8 type);
acpi_status
acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
u8 write_to_hardware);
acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
u32 gpe_number);
/*
* evgpeblk
*/
u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback);
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block);
acpi_status
acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
struct acpi_generic_address *gpe_block_address,
u32 register_count,
u8 gpe_block_base_number,
u32 interrupt_number,
struct acpi_gpe_block_info **return_gpe_block);
acpi_status
acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
struct acpi_gpe_block_info *gpe_block);
acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block);
u32
acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info,
u32 gpe_number);
u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
acpi_status
acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type);
acpi_status
acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info);
acpi_status acpi_ev_gpe_initialize(void);
/*
* evregion - Address Space handling
*/
acpi_status acpi_ev_install_region_handlers(void);
acpi_status acpi_ev_initialize_op_regions(void);
acpi_status
acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
u32 function,
acpi_physical_address address,
u32 bit_width, acpi_integer * value);
acpi_status
acpi_ev_attach_region(union acpi_operand_object *handler_obj,
union acpi_operand_object *region_obj,
u8 acpi_ns_is_locked);
void
acpi_ev_detach_region(union acpi_operand_object *region_obj,
u8 acpi_ns_is_locked);
acpi_status
acpi_ev_install_space_handler(struct acpi_namespace_node *node,
acpi_adr_space_type space_id,
acpi_adr_space_handler handler,
acpi_adr_space_setup setup, void *context);
acpi_status
acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
acpi_adr_space_type space_id);
acpi_status
acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
/*
* evregini - Region initialization and setup
*/
acpi_status
acpi_ev_system_memory_region_setup(acpi_handle handle,
u32 function,
void *handler_context,
void **region_context);
acpi_status
acpi_ev_io_space_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context);
acpi_status
acpi_ev_pci_config_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context);
acpi_status
acpi_ev_cmos_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context);
acpi_status
acpi_ev_pci_bar_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context);
acpi_status
acpi_ev_default_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context);
acpi_status
acpi_ev_initialize_region(union acpi_operand_object *region_obj,
u8 acpi_ns_locked);
/*
* evsci - SCI (System Control Interrupt) handling/dispatch
*/
u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
u32 acpi_ev_install_sci_handler(void);
acpi_status acpi_ev_remove_sci_handler(void);
u32 acpi_ev_initialize_sCI(u32 program_sCI);
void acpi_ev_terminate(void);
#endif /* __ACEVENTS_H__ */
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