mm: add documentation describing what tsk->active_mm means vs tsk->mm
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / acpi / acpixf.h
blob4db89e98535d25eae5be6c9496b622e1296613f7
2 /******************************************************************************
4 * Name: acpixf.h - External interfaces to the ACPI subsystem
6 *****************************************************************************/
8 /*
9 * Copyright (C) 2000 - 2008, Intel Corp.
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
45 #ifndef __ACXFACE_H__
46 #define __ACXFACE_H__
48 /* Current ACPICA subsystem version in YYYYMMDD format */
50 #define ACPI_CA_VERSION 0x20090320
52 #include "actypes.h"
53 #include "actbl.h"
55 extern u8 acpi_gbl_permanent_mmap;
58 * Globals that are publically available, allowing for
59 * run time configuration
61 extern u32 acpi_dbg_level;
62 extern u32 acpi_dbg_layer;
63 extern u8 acpi_gbl_enable_interpreter_slack;
64 extern u8 acpi_gbl_all_methods_serialized;
65 extern u8 acpi_gbl_create_osi_method;
66 extern u8 acpi_gbl_leave_wake_gpes_disabled;
67 extern acpi_name acpi_gbl_trace_method_name;
68 extern u32 acpi_gbl_trace_flags;
70 extern u32 acpi_current_gpe_count;
71 extern struct acpi_table_fadt acpi_gbl_FADT;
73 extern u32 acpi_rsdt_forced;
75 * Global interfaces
77 acpi_status
78 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
79 u32 initial_table_count, u8 allow_resize);
81 acpi_status __init acpi_initialize_subsystem(void);
83 acpi_status acpi_enable_subsystem(u32 flags);
85 acpi_status acpi_initialize_objects(u32 flags);
87 acpi_status acpi_terminate(void);
89 #ifdef ACPI_FUTURE_USAGE
90 acpi_status acpi_subsystem_status(void);
91 #endif
93 acpi_status acpi_enable(void);
95 acpi_status acpi_disable(void);
97 #ifdef ACPI_FUTURE_USAGE
98 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
99 #endif
101 const char *acpi_format_exception(acpi_status exception);
103 acpi_status acpi_purge_cached_objects(void);
106 * ACPI Memory management
108 void *acpi_allocate(u32 size);
110 void *acpi_callocate(u32 size);
112 void acpi_free(void *address);
115 * ACPI table manipulation interfaces
117 acpi_status acpi_reallocate_root_table(void);
119 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
121 acpi_status acpi_load_tables(void);
123 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
125 acpi_status acpi_unload_table_id(acpi_owner_id id);
127 acpi_status
128 acpi_get_table_header(acpi_string signature,
129 u32 instance,
130 struct acpi_table_header *out_table_header);
132 acpi_status
133 acpi_get_table_with_size(acpi_string signature,
134 u32 instance, struct acpi_table_header **out_table,
135 acpi_size *tbl_size);
136 acpi_status
137 acpi_get_table(acpi_string signature,
138 u32 instance, struct acpi_table_header **out_table);
140 acpi_status
141 acpi_get_table_by_index(u32 table_index,
142 struct acpi_table_header **out_table);
144 acpi_status
145 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
147 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
150 * Namespace and name interfaces
152 acpi_status
153 acpi_walk_namespace(acpi_object_type type,
154 acpi_handle start_object,
155 u32 max_depth,
156 acpi_walk_callback user_function,
157 void *context, void **return_value);
159 acpi_status
160 acpi_get_devices(const char *HID,
161 acpi_walk_callback user_function,
162 void *context, void **return_value);
164 acpi_status
165 acpi_get_name(acpi_handle handle,
166 u32 name_type, struct acpi_buffer *ret_path_ptr);
168 acpi_status
169 acpi_get_handle(acpi_handle parent,
170 acpi_string pathname, acpi_handle * ret_handle);
172 acpi_status
173 acpi_attach_data(acpi_handle obj_handle,
174 acpi_object_handler handler, void *data);
176 acpi_status
177 acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler);
179 acpi_status
180 acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data);
182 acpi_status
183 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
186 * Object manipulation and enumeration
188 acpi_status
189 acpi_evaluate_object(acpi_handle object,
190 acpi_string pathname,
191 struct acpi_object_list *parameter_objects,
192 struct acpi_buffer *return_object_buffer);
194 acpi_status
195 acpi_evaluate_object_typed(acpi_handle object,
196 acpi_string pathname,
197 struct acpi_object_list *external_params,
198 struct acpi_buffer *return_buffer,
199 acpi_object_type return_type);
201 acpi_status
202 acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);
204 acpi_status
205 acpi_get_next_object(acpi_object_type type,
206 acpi_handle parent,
207 acpi_handle child, acpi_handle * out_handle);
209 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
211 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
213 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
216 * Handler interfaces
218 acpi_status
219 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
221 acpi_status
222 acpi_install_fixed_event_handler(u32 acpi_event,
223 acpi_event_handler handler, void *context);
225 acpi_status
226 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
228 acpi_status
229 acpi_install_notify_handler(acpi_handle device,
230 u32 handler_type,
231 acpi_notify_handler handler, void *context);
233 acpi_status
234 acpi_remove_notify_handler(acpi_handle device,
235 u32 handler_type, acpi_notify_handler handler);
237 acpi_status
238 acpi_install_address_space_handler(acpi_handle device,
239 acpi_adr_space_type space_id,
240 acpi_adr_space_handler handler,
241 acpi_adr_space_setup setup, void *context);
243 acpi_status
244 acpi_remove_address_space_handler(acpi_handle device,
245 acpi_adr_space_type space_id,
246 acpi_adr_space_handler handler);
248 acpi_status
249 acpi_install_gpe_handler(acpi_handle gpe_device,
250 u32 gpe_number,
251 u32 type, acpi_event_handler address, void *context);
253 acpi_status
254 acpi_remove_gpe_handler(acpi_handle gpe_device,
255 u32 gpe_number, acpi_event_handler address);
257 #ifdef ACPI_FUTURE_USAGE
258 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
259 #endif
262 * Event interfaces
264 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
266 acpi_status acpi_release_global_lock(u32 handle);
268 acpi_status acpi_enable_event(u32 event, u32 flags);
270 acpi_status acpi_disable_event(u32 event, u32 flags);
272 acpi_status acpi_clear_event(u32 event);
274 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
277 * GPE Interfaces
279 acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
281 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
283 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
285 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
287 acpi_status
288 acpi_get_gpe_status(acpi_handle gpe_device,
289 u32 gpe_number,
290 u32 flags, acpi_event_status * event_status);
292 acpi_status acpi_disable_all_gpes(void);
294 acpi_status acpi_enable_all_runtime_gpes(void);
296 acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
298 acpi_status
299 acpi_install_gpe_block(acpi_handle gpe_device,
300 struct acpi_generic_address *gpe_block_address,
301 u32 register_count, u32 interrupt_number);
303 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
306 * Resource interfaces
308 typedef
309 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
310 void *context);
312 acpi_status
313 acpi_get_vendor_resource(acpi_handle device_handle,
314 char *name,
315 struct acpi_vendor_uuid *uuid,
316 struct acpi_buffer *ret_buffer);
318 acpi_status
319 acpi_get_current_resources(acpi_handle device_handle,
320 struct acpi_buffer *ret_buffer);
322 #ifdef ACPI_FUTURE_USAGE
323 acpi_status
324 acpi_get_possible_resources(acpi_handle device_handle,
325 struct acpi_buffer *ret_buffer);
326 #endif
328 acpi_status
329 acpi_walk_resources(acpi_handle device_handle,
330 char *name,
331 acpi_walk_resource_callback user_function, void *context);
333 acpi_status
334 acpi_set_current_resources(acpi_handle device_handle,
335 struct acpi_buffer *in_buffer);
337 acpi_status
338 acpi_get_irq_routing_table(acpi_handle bus_device_handle,
339 struct acpi_buffer *ret_buffer);
341 acpi_status
342 acpi_resource_to_address64(struct acpi_resource *resource,
343 struct acpi_resource_address64 *out);
346 * Hardware (ACPI device) interfaces
348 acpi_status acpi_reset(void);
350 acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
352 acpi_status acpi_write_bit_register(u32 register_id, u32 value);
354 acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
356 #if ACPI_MACHINE_WIDTH == 64
357 acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
358 #endif
360 acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg);
362 acpi_status acpi_write(u32 value, struct acpi_generic_address *reg);
364 acpi_status
365 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
367 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
369 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
371 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
373 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
375 acpi_status acpi_leave_sleep_state(u8 sleep_state);
378 * Debug output
380 void ACPI_INTERNAL_VAR_XFACE
381 acpi_error(const char *module_name,
382 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
384 void ACPI_INTERNAL_VAR_XFACE
385 acpi_exception(const char *module_name,
386 u32 line_number,
387 acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
389 void ACPI_INTERNAL_VAR_XFACE
390 acpi_warning(const char *module_name,
391 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
393 void ACPI_INTERNAL_VAR_XFACE
394 acpi_info(const char *module_name,
395 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
397 #ifdef ACPI_DEBUG_OUTPUT
399 void ACPI_INTERNAL_VAR_XFACE
400 acpi_debug_print(u32 requested_debug_level,
401 u32 line_number,
402 const char *function_name,
403 const char *module_name,
404 u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
406 void ACPI_INTERNAL_VAR_XFACE
407 acpi_debug_print_raw(u32 requested_debug_level,
408 u32 line_number,
409 const char *function_name,
410 const char *module_name,
411 u32 component_id,
412 const char *format, ...) ACPI_PRINTF_LIKE(6);
413 #endif
415 #endif /* __ACXFACE_H__ */