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1
2/******************************************************************************
3 *
4 * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
5 * interfaces must be implemented by OSL to interface the
6 * ACPI components to the host operating system.
7 *
8 *****************************************************************************/
9
10/*
11 * Copyright (C) 2000 - 2011, Intel Corp.
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions, and the following disclaimer,
19 * without modification.
20 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
21 * substantially similar to the "NO WARRANTY" disclaimer below
22 * ("Disclaimer") and any redistribution must be conditioned upon
23 * including a substantially similar Disclaimer requirement for further
24 * binary redistribution.
25 * 3. Neither the names of the above-listed copyright holders nor the names
26 * of any contributors may be used to endorse or promote products derived
27 * from this software without specific prior written permission.
28 *
29 * Alternatively, this software may be distributed under the terms of the
30 * GNU General Public License ("GPL") version 2 as published by the Free
31 * Software Foundation.
32 *
33 * NO WARRANTY
34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
37 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
42 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
43 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
44 * POSSIBILITY OF SUCH DAMAGES.
45 */
46
47#ifndef __ACPIOSXF_H__
48#define __ACPIOSXF_H__
49
50#include "platform/acenv.h"
51#include "actypes.h"
52
53/* Types for acpi_os_execute */
54
55typedef enum {
56 OSL_GLOBAL_LOCK_HANDLER,
57 OSL_NOTIFY_HANDLER,
58 OSL_GPE_HANDLER,
59 OSL_DEBUGGER_THREAD,
60 OSL_EC_POLL_HANDLER,
61 OSL_EC_BURST_HANDLER
62} acpi_execute_type;
63
64#define ACPI_NO_UNIT_LIMIT ((u32) -1)
65#define ACPI_MUTEX_SEM 1
66
67/* Functions for acpi_os_signal */
68
69#define ACPI_SIGNAL_FATAL 0
70#define ACPI_SIGNAL_BREAKPOINT 1
71
72struct acpi_signal_fatal_info {
73 u32 type;
74 u32 code;
75 u32 argument;
76};
77
78/*
79 * OSL Initialization and shutdown primitives
80 */
81acpi_status __initdata acpi_os_initialize(void);
82
83acpi_status acpi_os_terminate(void);
84
85/*
86 * ACPI Table interfaces
87 */
88acpi_physical_address acpi_os_get_root_pointer(void);
89
90acpi_status
91acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
92 acpi_string * new_val);
93
94acpi_status
95acpi_os_table_override(struct acpi_table_header *existing_table,
96 struct acpi_table_header **new_table);
97
98/*
99 * Spinlock primitives
100 */
101
102#ifndef acpi_os_create_lock
103acpi_status
104acpi_os_create_lock(acpi_spinlock *out_handle);
105#endif
106
107void acpi_os_delete_lock(acpi_spinlock handle);
108
109acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
110
111void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
112
113/*
114 * Semaphore primitives
115 */
116acpi_status
117acpi_os_create_semaphore(u32 max_units,
118 u32 initial_units, acpi_semaphore * out_handle);
119
120acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
121
122acpi_status
123acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
124
125acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
126
127/*
128 * Mutex primitives. May be configured to use semaphores instead via
129 * ACPI_MUTEX_TYPE (see platform/acenv.h)
130 */
131#if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
132
133acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
134
135void acpi_os_delete_mutex(acpi_mutex handle);
136
137acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
138
139void acpi_os_release_mutex(acpi_mutex handle);
140#endif
141
142/*
143 * Memory allocation and mapping
144 */
145void *acpi_os_allocate(acpi_size size);
146
147void __iomem *acpi_os_map_memory(acpi_physical_address where,
148 acpi_size length);
149
150void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
151void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
152
153#ifdef ACPI_FUTURE_USAGE
154acpi_status
155acpi_os_get_physical_address(void *logical_address,
156 acpi_physical_address * physical_address);
157#endif
158
159/*
160 * Memory/Object Cache
161 */
162acpi_status
163acpi_os_create_cache(char *cache_name,
164 u16 object_size,
165 u16 max_depth, acpi_cache_t ** return_cache);
166
167acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
168
169acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
170
171void *acpi_os_acquire_object(acpi_cache_t * cache);
172
173acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
174
175/*
176 * Interrupt handlers
177 */
178acpi_status
179acpi_os_install_interrupt_handler(u32 gsi,
180 acpi_osd_handler service_routine,
181 void *context);
182
183acpi_status
184acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler service_routine);
185
186void acpi_os_gpe_count(u32 gpe_number);
187void acpi_os_fixed_event_count(u32 fixed_event_number);
188
189/*
190 * Threads and Scheduling
191 */
192acpi_thread_id acpi_os_get_thread_id(void);
193
194acpi_status
195acpi_os_execute(acpi_execute_type type,
196 acpi_osd_exec_callback function, void *context);
197
198acpi_status
199acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context);
200
201void acpi_os_wait_events_complete(void *context);
202
203void acpi_os_sleep(u64 milliseconds);
204
205void acpi_os_stall(u32 microseconds);
206
207/*
208 * Platform and hardware-independent I/O interfaces
209 */
210acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width);
211
212acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
213
214/*
215 * Platform and hardware-independent physical memory interfaces
216 */
217acpi_status
218acpi_os_read_memory(acpi_physical_address address, u32 * value, u32 width);
219
220acpi_status
221acpi_os_write_memory(acpi_physical_address address, u32 value, u32 width);
222
223/*
224 * Platform and hardware-independent PCI configuration space access
225 * Note: Can't use "Register" as a parameter, changed to "Reg" --
226 * certain compilers complain.
227 */
228acpi_status
229acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
230 u32 reg, u64 *value, u32 width);
231
232acpi_status
233acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
234 u32 reg, u64 value, u32 width);
235
236/*
237 * Miscellaneous
238 */
239acpi_status
240acpi_os_validate_address(u8 space_id, acpi_physical_address address,
241 acpi_size length, char *name);
242acpi_status
243acpi_os_invalidate_address(u8 space_id, acpi_physical_address address,
244 acpi_size length);
245
246u64 acpi_os_get_timer(void);
247
248acpi_status acpi_os_signal(u32 function, void *info);
249
250/*
251 * Debug print routines
252 */
253void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
254
255void acpi_os_vprintf(const char *format, va_list args);
256
257void acpi_os_redirect_output(void *destination);
258
259#ifdef ACPI_FUTURE_USAGE
260/*
261 * Debug input
262 */
263u32 acpi_os_get_line(char *buffer);
264#endif
265
266/*
267 * Directory manipulation
268 */
269void *acpi_os_open_directory(char *pathname,
270 char *wildcard_spec, char requested_file_type);
271
272/* requeste_file_type values */
273
274#define REQUEST_FILE_ONLY 0
275#define REQUEST_DIR_ONLY 1
276
277char *acpi_os_get_next_filename(void *dir_handle);
278
279void acpi_os_close_directory(void *dir_handle);
280
281#endif /* __ACPIOSXF_H__ */
1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
5 * interfaces must be implemented by OSL to interface the
6 * ACPI components to the host operating system.
7 *
8 * Copyright (C) 2000 - 2018, Intel Corp.
9 *
10 *****************************************************************************/
11
12#ifndef __ACPIOSXF_H__
13#define __ACPIOSXF_H__
14
15#include <acpi/platform/acenv.h>
16#include <acpi/actypes.h>
17
18/* Types for acpi_os_execute */
19
20typedef enum {
21 OSL_GLOBAL_LOCK_HANDLER,
22 OSL_NOTIFY_HANDLER,
23 OSL_GPE_HANDLER,
24 OSL_DEBUGGER_MAIN_THREAD,
25 OSL_DEBUGGER_EXEC_THREAD,
26 OSL_EC_POLL_HANDLER,
27 OSL_EC_BURST_HANDLER
28} acpi_execute_type;
29
30#define ACPI_NO_UNIT_LIMIT ((u32) -1)
31#define ACPI_MUTEX_SEM 1
32
33/* Functions for acpi_os_signal */
34
35#define ACPI_SIGNAL_FATAL 0
36#define ACPI_SIGNAL_BREAKPOINT 1
37
38struct acpi_signal_fatal_info {
39 u32 type;
40 u32 code;
41 u32 argument;
42};
43
44/*
45 * OSL Initialization and shutdown primitives
46 */
47#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
48acpi_status acpi_os_initialize(void);
49#endif
50
51#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
52acpi_status acpi_os_terminate(void);
53#endif
54
55/*
56 * ACPI Table interfaces
57 */
58#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_root_pointer
59acpi_physical_address acpi_os_get_root_pointer(void);
60#endif
61
62#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override
63acpi_status
64acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
65 acpi_string *new_val);
66#endif
67
68#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override
69acpi_status
70acpi_os_table_override(struct acpi_table_header *existing_table,
71 struct acpi_table_header **new_table);
72#endif
73
74#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override
75acpi_status
76acpi_os_physical_table_override(struct acpi_table_header *existing_table,
77 acpi_physical_address *new_address,
78 u32 *new_table_length);
79#endif
80
81/*
82 * Spinlock primitives
83 */
84#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
85acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
86#endif
87
88#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_lock
89void acpi_os_delete_lock(acpi_spinlock handle);
90#endif
91
92#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_lock
93acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
94#endif
95
96#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_lock
97void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
98#endif
99
100/*
101 * Semaphore primitives
102 */
103#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore
104acpi_status
105acpi_os_create_semaphore(u32 max_units,
106 u32 initial_units, acpi_semaphore * out_handle);
107#endif
108
109#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_semaphore
110acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
111#endif
112
113#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_semaphore
114acpi_status
115acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
116#endif
117
118#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal_semaphore
119acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
120#endif
121
122/*
123 * Mutex primitives. May be configured to use semaphores instead via
124 * ACPI_MUTEX_TYPE (see platform/acenv.h)
125 */
126#if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
127
128#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_mutex
129acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
130#endif
131
132#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_mutex
133void acpi_os_delete_mutex(acpi_mutex handle);
134#endif
135
136#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_mutex
137acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
138#endif
139
140#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_mutex
141void acpi_os_release_mutex(acpi_mutex handle);
142#endif
143
144#endif
145
146/*
147 * Memory allocation and mapping
148 */
149#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
150void *acpi_os_allocate(acpi_size size);
151#endif
152
153#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
154void *acpi_os_allocate_zeroed(acpi_size size);
155#endif
156
157#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
158void acpi_os_free(void *memory);
159#endif
160
161#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
162void *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
163#endif
164
165#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
166void acpi_os_unmap_memory(void *logical_address, acpi_size size);
167#endif
168
169#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address
170acpi_status
171acpi_os_get_physical_address(void *logical_address,
172 acpi_physical_address *physical_address);
173#endif
174
175/*
176 * Memory/Object Cache
177 */
178#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_cache
179acpi_status
180acpi_os_create_cache(char *cache_name,
181 u16 object_size,
182 u16 max_depth, acpi_cache_t ** return_cache);
183#endif
184
185#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_cache
186acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
187#endif
188
189#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_purge_cache
190acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
191#endif
192
193#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
194void *acpi_os_acquire_object(acpi_cache_t * cache);
195#endif
196
197#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_object
198acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
199#endif
200
201/*
202 * Interrupt handlers
203 */
204#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_install_interrupt_handler
205acpi_status
206acpi_os_install_interrupt_handler(u32 interrupt_number,
207 acpi_osd_handler service_routine,
208 void *context);
209#endif
210
211#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_remove_interrupt_handler
212acpi_status
213acpi_os_remove_interrupt_handler(u32 interrupt_number,
214 acpi_osd_handler service_routine);
215#endif
216
217/*
218 * Threads and Scheduling
219 */
220#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
221acpi_thread_id acpi_os_get_thread_id(void);
222#endif
223
224#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_execute
225acpi_status
226acpi_os_execute(acpi_execute_type type,
227 acpi_osd_exec_callback function, void *context);
228#endif
229
230#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_events_complete
231void acpi_os_wait_events_complete(void);
232#endif
233
234#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_sleep
235void acpi_os_sleep(u64 milliseconds);
236#endif
237
238#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_stall
239void acpi_os_stall(u32 microseconds);
240#endif
241
242/*
243 * Platform and hardware-independent I/O interfaces
244 */
245#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_port
246acpi_status acpi_os_read_port(acpi_io_address address, u32 *value, u32 width);
247#endif
248
249#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_port
250acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
251#endif
252
253/*
254 * Platform and hardware-independent physical memory interfaces
255 */
256int acpi_os_read_iomem(void __iomem *virt_addr, u64 *value, u32 width);
257
258#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_memory
259acpi_status
260acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width);
261#endif
262
263#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_memory
264acpi_status
265acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width);
266#endif
267
268/*
269 * Platform and hardware-independent PCI configuration space access
270 * Note: Can't use "Register" as a parameter, changed to "Reg" --
271 * certain compilers complain.
272 */
273#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_pci_configuration
274acpi_status
275acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
276 u32 reg, u64 *value, u32 width);
277#endif
278
279#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_pci_configuration
280acpi_status
281acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
282 u32 reg, u64 value, u32 width);
283#endif
284
285/*
286 * Miscellaneous
287 */
288#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
289u8 acpi_os_readable(void *pointer, acpi_size length);
290#endif
291
292#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
293u8 acpi_os_writable(void *pointer, acpi_size length);
294#endif
295
296#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_timer
297u64 acpi_os_get_timer(void);
298#endif
299
300#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal
301acpi_status acpi_os_signal(u32 function, void *info);
302#endif
303
304#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_enter_sleep
305acpi_status acpi_os_enter_sleep(u8 sleep_state, u32 rega_value, u32 regb_value);
306#endif
307
308/*
309 * Debug print routines
310 */
311#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf
312void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
313#endif
314
315#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf
316void acpi_os_vprintf(const char *format, va_list args);
317#endif
318
319#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
320void acpi_os_redirect_output(void *destination);
321#endif
322
323/*
324 * Debug IO
325 */
326#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
327acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read);
328#endif
329
330#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger
331acpi_status acpi_os_initialize_debugger(void);
332#endif
333
334#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger
335void acpi_os_terminate_debugger(void);
336#endif
337
338#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_command_ready
339acpi_status acpi_os_wait_command_ready(void);
340#endif
341
342#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_notify_command_complete
343acpi_status acpi_os_notify_command_complete(void);
344#endif
345
346#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_trace_point
347void
348acpi_os_trace_point(acpi_trace_event_type type,
349 u8 begin, u8 *aml, char *pathname);
350#endif
351
352/*
353 * Obtain ACPI table(s)
354 */
355#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
356acpi_status
357acpi_os_get_table_by_name(char *signature,
358 u32 instance,
359 struct acpi_table_header **table,
360 acpi_physical_address *address);
361#endif
362
363#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
364acpi_status
365acpi_os_get_table_by_index(u32 index,
366 struct acpi_table_header **table,
367 u32 *instance, acpi_physical_address *address);
368#endif
369
370#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
371acpi_status
372acpi_os_get_table_by_address(acpi_physical_address address,
373 struct acpi_table_header **table);
374#endif
375
376/*
377 * Directory manipulation
378 */
379#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
380void *acpi_os_open_directory(char *pathname,
381 char *wildcard_spec, char requested_file_type);
382#endif
383
384/* requeste_file_type values */
385
386#define REQUEST_FILE_ONLY 0
387#define REQUEST_DIR_ONLY 1
388
389#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
390char *acpi_os_get_next_filename(void *dir_handle);
391#endif
392
393#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
394void acpi_os_close_directory(void *dir_handle);
395#endif
396
397#endif /* __ACPIOSXF_H__ */