mm, PM/Freezer: Disable OOM killer when tasks are frozen
[linux-2.6.git] / include / acpi / acpixf.h
1
2 /******************************************************************************
3  *
4  * Name: acpixf.h - External interfaces to the ACPI subsystem
5  *
6  *****************************************************************************/
7
8 /*
9  * Copyright (C) 2000 - 2008, Intel Corp.
10  * All rights reserved.
11  *
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.
26  *
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.
30  *
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.
43  */
44
45 #ifndef __ACXFACE_H__
46 #define __ACXFACE_H__
47
48 /* Current ACPICA subsystem version in YYYYMMDD format */
49
50 #define ACPI_CA_VERSION                 0x20090320
51
52 #include "actypes.h"
53 #include "actbl.h"
54
55 extern u8 acpi_gbl_permanent_mmap;
56
57 /*
58  * Globals that are publically available, allowing for
59  * run time configuration
60  */
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;
69
70 extern u32 acpi_current_gpe_count;
71 extern struct acpi_table_fadt acpi_gbl_FADT;
72
73 extern u32 acpi_rsdt_forced;
74 /*
75  * Global interfaces
76  */
77 acpi_status
78 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
79                        u32 initial_table_count, u8 allow_resize);
80
81 acpi_status __init acpi_initialize_subsystem(void);
82
83 acpi_status acpi_enable_subsystem(u32 flags);
84
85 acpi_status acpi_initialize_objects(u32 flags);
86
87 acpi_status acpi_terminate(void);
88
89 #ifdef ACPI_FUTURE_USAGE
90 acpi_status acpi_subsystem_status(void);
91 #endif
92
93 acpi_status acpi_enable(void);
94
95 acpi_status acpi_disable(void);
96
97 #ifdef ACPI_FUTURE_USAGE
98 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
99 #endif
100
101 const char *acpi_format_exception(acpi_status exception);
102
103 acpi_status acpi_purge_cached_objects(void);
104
105 /*
106  * ACPI Memory management
107  */
108 void *acpi_allocate(u32 size);
109
110 void *acpi_callocate(u32 size);
111
112 void acpi_free(void *address);
113
114 /*
115  * ACPI table manipulation interfaces
116  */
117 acpi_status acpi_reallocate_root_table(void);
118
119 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
120
121 acpi_status acpi_load_tables(void);
122
123 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
124
125 acpi_status acpi_unload_table_id(acpi_owner_id id);
126
127 acpi_status
128 acpi_get_table_header(acpi_string signature,
129                       u32 instance,
130                       struct acpi_table_header *out_table_header);
131
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);
139
140 acpi_status
141 acpi_get_table_by_index(u32 table_index,
142                         struct acpi_table_header **out_table);
143
144 acpi_status
145 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
146
147 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
148
149 /*
150  * Namespace and name interfaces
151  */
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);
158
159 acpi_status
160 acpi_get_devices(const char *HID,
161                  acpi_walk_callback user_function,
162                  void *context, void **return_value);
163
164 acpi_status
165 acpi_get_name(acpi_handle handle,
166               u32 name_type, struct acpi_buffer *ret_path_ptr);
167
168 acpi_status
169 acpi_get_handle(acpi_handle parent,
170                 acpi_string pathname, acpi_handle * ret_handle);
171
172 acpi_status
173 acpi_attach_data(acpi_handle obj_handle,
174                  acpi_object_handler handler, void *data);
175
176 acpi_status
177 acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler);
178
179 acpi_status
180 acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data);
181
182 acpi_status
183 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
184
185 /*
186  * Object manipulation and enumeration
187  */
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);
193
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);
200
201 acpi_status
202 acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);
203
204 acpi_status
205 acpi_get_next_object(acpi_object_type type,
206                      acpi_handle parent,
207                      acpi_handle child, acpi_handle * out_handle);
208
209 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
210
211 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
212
213 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
214
215 /*
216  * Handler interfaces
217  */
218 acpi_status
219 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
220
221 acpi_status
222 acpi_install_fixed_event_handler(u32 acpi_event,
223                                  acpi_event_handler handler, void *context);
224
225 acpi_status
226 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
227
228 acpi_status
229 acpi_install_notify_handler(acpi_handle device,
230                             u32 handler_type,
231                             acpi_notify_handler handler, void *context);
232
233 acpi_status
234 acpi_remove_notify_handler(acpi_handle device,
235                            u32 handler_type, acpi_notify_handler handler);
236
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);
242
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);
247
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);
252
253 acpi_status
254 acpi_remove_gpe_handler(acpi_handle gpe_device,
255                         u32 gpe_number, acpi_event_handler address);
256
257 #ifdef ACPI_FUTURE_USAGE
258 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
259 #endif
260
261 /*
262  * Event interfaces
263  */
264 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
265
266 acpi_status acpi_release_global_lock(u32 handle);
267
268 acpi_status acpi_enable_event(u32 event, u32 flags);
269
270 acpi_status acpi_disable_event(u32 event, u32 flags);
271
272 acpi_status acpi_clear_event(u32 event);
273
274 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
275
276 /*
277  * GPE Interfaces
278  */
279 acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
280
281 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
282
283 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
284
285 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
286
287 acpi_status
288 acpi_get_gpe_status(acpi_handle gpe_device,
289                     u32 gpe_number,
290                     u32 flags, acpi_event_status * event_status);
291
292 acpi_status acpi_disable_all_gpes(void);
293
294 acpi_status acpi_enable_all_runtime_gpes(void);
295
296 acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
297
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);
302
303 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
304
305 /*
306  * Resource interfaces
307  */
308 typedef
309 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
310                                            void *context);
311
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);
317
318 acpi_status
319 acpi_get_current_resources(acpi_handle device_handle,
320                            struct acpi_buffer *ret_buffer);
321
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
327
328 acpi_status
329 acpi_walk_resources(acpi_handle device_handle,
330                     char *name,
331                     acpi_walk_resource_callback user_function, void *context);
332
333 acpi_status
334 acpi_set_current_resources(acpi_handle device_handle,
335                            struct acpi_buffer *in_buffer);
336
337 acpi_status
338 acpi_get_irq_routing_table(acpi_handle bus_device_handle,
339                            struct acpi_buffer *ret_buffer);
340
341 acpi_status
342 acpi_resource_to_address64(struct acpi_resource *resource,
343                            struct acpi_resource_address64 *out);
344
345 /*
346  * Hardware (ACPI device) interfaces
347  */
348 acpi_status acpi_reset(void);
349
350 acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
351
352 acpi_status acpi_write_bit_register(u32 register_id, u32 value);
353
354 acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
355
356 #if ACPI_MACHINE_WIDTH == 64
357 acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
358 #endif
359
360 acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg);
361
362 acpi_status acpi_write(u32 value, struct acpi_generic_address *reg);
363
364 acpi_status
365 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
366
367 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
368
369 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
370
371 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
372
373 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
374
375 acpi_status acpi_leave_sleep_state(u8 sleep_state);
376
377 /*
378  * Debug output
379  */
380 void ACPI_INTERNAL_VAR_XFACE
381 acpi_error(const char *module_name,
382            u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
383
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);
388
389 void ACPI_INTERNAL_VAR_XFACE
390 acpi_warning(const char *module_name,
391              u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
392
393 void ACPI_INTERNAL_VAR_XFACE
394 acpi_info(const char *module_name,
395           u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
396
397 #ifdef ACPI_DEBUG_OUTPUT
398
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);
405
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
414
415 #endif                          /* __ACXFACE_H__ */