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Linux/include/acpi/acpiosxf.h

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  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 - 2019, 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 
 20 typedef 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 
 38 struct 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
 48 acpi_status acpi_os_initialize(void);
 49 #endif
 50 
 51 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
 52 acpi_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
 59 acpi_physical_address acpi_os_get_root_pointer(void);
 60 #endif
 61 
 62 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override
 63 acpi_status
 64 acpi_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
 69 acpi_status
 70 acpi_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
 75 acpi_status
 76 acpi_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
 85 acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
 86 #endif
 87 
 88 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_lock
 89 void acpi_os_delete_lock(acpi_spinlock handle);
 90 #endif
 91 
 92 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_lock
 93 acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
 94 #endif
 95 
 96 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_lock
 97 void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
 98 #endif
 99 
100 /*
101  * RAW spinlock primitives. If the OS does not provide them, fallback to
102  * spinlock primitives
103  */
104 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
105 # define acpi_os_create_raw_lock(out_handle)    acpi_os_create_lock(out_handle)
106 #endif
107 
108 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
109 # define acpi_os_delete_raw_lock(handle)        acpi_os_delete_lock(handle)
110 #endif
111 
112 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
113 # define acpi_os_acquire_raw_lock(handle)       acpi_os_acquire_lock(handle)
114 #endif
115 
116 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock
117 # define acpi_os_release_raw_lock(handle, flags)        \
118         acpi_os_release_lock(handle, flags)
119 #endif
120 
121 /*
122  * Semaphore primitives
123  */
124 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore
125 acpi_status
126 acpi_os_create_semaphore(u32 max_units,
127                          u32 initial_units, acpi_semaphore * out_handle);
128 #endif
129 
130 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_semaphore
131 acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
132 #endif
133 
134 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_semaphore
135 acpi_status
136 acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
137 #endif
138 
139 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal_semaphore
140 acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
141 #endif
142 
143 /*
144  * Mutex primitives. May be configured to use semaphores instead via
145  * ACPI_MUTEX_TYPE (see platform/acenv.h)
146  */
147 #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
148 
149 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_mutex
150 acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
151 #endif
152 
153 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_mutex
154 void acpi_os_delete_mutex(acpi_mutex handle);
155 #endif
156 
157 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_mutex
158 acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
159 #endif
160 
161 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_mutex
162 void acpi_os_release_mutex(acpi_mutex handle);
163 #endif
164 
165 #endif
166 
167 /*
168  * Memory allocation and mapping
169  */
170 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
171 void *acpi_os_allocate(acpi_size size);
172 #endif
173 
174 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
175 void *acpi_os_allocate_zeroed(acpi_size size);
176 #endif
177 
178 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
179 void acpi_os_free(void *memory);
180 #endif
181 
182 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
183 void *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
184 #endif
185 
186 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
187 void acpi_os_unmap_memory(void *logical_address, acpi_size size);
188 #endif
189 
190 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address
191 acpi_status
192 acpi_os_get_physical_address(void *logical_address,
193                              acpi_physical_address *physical_address);
194 #endif
195 
196 /*
197  * Memory/Object Cache
198  */
199 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_cache
200 acpi_status
201 acpi_os_create_cache(char *cache_name,
202                      u16 object_size,
203                      u16 max_depth, acpi_cache_t ** return_cache);
204 #endif
205 
206 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_cache
207 acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
208 #endif
209 
210 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_purge_cache
211 acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
212 #endif
213 
214 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
215 void *acpi_os_acquire_object(acpi_cache_t * cache);
216 #endif
217 
218 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_object
219 acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
220 #endif
221 
222 /*
223  * Interrupt handlers
224  */
225 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_install_interrupt_handler
226 acpi_status
227 acpi_os_install_interrupt_handler(u32 interrupt_number,
228                                   acpi_osd_handler service_routine,
229                                   void *context);
230 #endif
231 
232 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_remove_interrupt_handler
233 acpi_status
234 acpi_os_remove_interrupt_handler(u32 interrupt_number,
235                                  acpi_osd_handler service_routine);
236 #endif
237 
238 /*
239  * Threads and Scheduling
240  */
241 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
242 acpi_thread_id acpi_os_get_thread_id(void);
243 #endif
244 
245 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_execute
246 acpi_status
247 acpi_os_execute(acpi_execute_type type,
248                 acpi_osd_exec_callback function, void *context);
249 #endif
250 
251 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_events_complete
252 void acpi_os_wait_events_complete(void);
253 #endif
254 
255 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_sleep
256 void acpi_os_sleep(u64 milliseconds);
257 #endif
258 
259 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_stall
260 void acpi_os_stall(u32 microseconds);
261 #endif
262 
263 /*
264  * Platform and hardware-independent I/O interfaces
265  */
266 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_port
267 acpi_status acpi_os_read_port(acpi_io_address address, u32 *value, u32 width);
268 #endif
269 
270 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_port
271 acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
272 #endif
273 
274 /*
275  * Platform and hardware-independent physical memory interfaces
276  */
277 int acpi_os_read_iomem(void __iomem *virt_addr, u64 *value, u32 width);
278 
279 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_memory
280 acpi_status
281 acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width);
282 #endif
283 
284 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_memory
285 acpi_status
286 acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width);
287 #endif
288 
289 /*
290  * Platform and hardware-independent PCI configuration space access
291  * Note: Can't use "Register" as a parameter, changed to "Reg" --
292  * certain compilers complain.
293  */
294 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_pci_configuration
295 acpi_status
296 acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
297                                u32 reg, u64 *value, u32 width);
298 #endif
299 
300 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_pci_configuration
301 acpi_status
302 acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
303                                 u32 reg, u64 value, u32 width);
304 #endif
305 
306 /*
307  * Miscellaneous
308  */
309 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
310 u8 acpi_os_readable(void *pointer, acpi_size length);
311 #endif
312 
313 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
314 u8 acpi_os_writable(void *pointer, acpi_size length);
315 #endif
316 
317 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_timer
318 u64 acpi_os_get_timer(void);
319 #endif
320 
321 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal
322 acpi_status acpi_os_signal(u32 function, void *info);
323 #endif
324 
325 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_enter_sleep
326 acpi_status acpi_os_enter_sleep(u8 sleep_state, u32 rega_value, u32 regb_value);
327 #endif
328 
329 /*
330  * Debug print routines
331  */
332 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf
333 void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
334 #endif
335 
336 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf
337 void acpi_os_vprintf(const char *format, va_list args);
338 #endif
339 
340 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
341 void acpi_os_redirect_output(void *destination);
342 #endif
343 
344 /*
345  * Debug IO
346  */
347 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
348 acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read);
349 #endif
350 
351 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger
352 acpi_status acpi_os_initialize_debugger(void);
353 #endif
354 
355 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger
356 void acpi_os_terminate_debugger(void);
357 #endif
358 
359 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_command_ready
360 acpi_status acpi_os_wait_command_ready(void);
361 #endif
362 
363 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_notify_command_complete
364 acpi_status acpi_os_notify_command_complete(void);
365 #endif
366 
367 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_trace_point
368 void
369 acpi_os_trace_point(acpi_trace_event_type type,
370                     u8 begin, u8 *aml, char *pathname);
371 #endif
372 
373 /*
374  * Obtain ACPI table(s)
375  */
376 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
377 acpi_status
378 acpi_os_get_table_by_name(char *signature,
379                           u32 instance,
380                           struct acpi_table_header **table,
381                           acpi_physical_address *address);
382 #endif
383 
384 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
385 acpi_status
386 acpi_os_get_table_by_index(u32 index,
387                            struct acpi_table_header **table,
388                            u32 *instance, acpi_physical_address *address);
389 #endif
390 
391 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
392 acpi_status
393 acpi_os_get_table_by_address(acpi_physical_address address,
394                              struct acpi_table_header **table);
395 #endif
396 
397 /*
398  * Directory manipulation
399  */
400 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
401 void *acpi_os_open_directory(char *pathname,
402                              char *wildcard_spec, char requested_file_type);
403 #endif
404 
405 /* requeste_file_type values */
406 
407 #define REQUEST_FILE_ONLY                   0
408 #define REQUEST_DIR_ONLY                    1
409 
410 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
411 char *acpi_os_get_next_filename(void *dir_handle);
412 #endif
413 
414 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
415 void acpi_os_close_directory(void *dir_handle);
416 #endif
417 
418 #endif                          /* __ACPIOSXF_H__ */
419 

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