kernel/include/acpi/acpiosxf.h

   1 /******************************************************************************
   2  *
   3  * Name: acpiosxf.h - All interfaces to the OS Services Layer (OSL). These
   4  *                    interfaces must be implemented by OSL to interface the
   5  *                    ACPI components to the host operating system.
   6  *
   7  *****************************************************************************/
   8
   9 /*
  10  * Copyright (C) 2000 - 2015, Intel Corp.
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions, and the following disclaimer,
  18  *    without modification.
  19  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  20  *    substantially similar to the "NO WARRANTY" disclaimer below
  21  *    ("Disclaimer") and any redistribution must be conditioned upon
  22  *    including a substantially similar Disclaimer requirement for further
  23  *    binary redistribution.
  24  * 3. Neither the names of the above-listed copyright holders nor the names
  25  *    of any contributors may be used to endorse or promote products derived
  26  *    from this software without specific prior written permission.
  27  *
  28  * Alternatively, this software may be distributed under the terms of the
  29  * GNU General Public License ("GPL") version 2 as published by the Free
  30  * Software Foundation.
  31  *
  32  * NO WARRANTY
  33  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  36  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  42  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  43  * POSSIBILITY OF SUCH DAMAGES.
  44  */
  45
  46 #ifndef __ACPIOSXF_H__
  47 #define __ACPIOSXF_H__
  48
  49 #include <acpi/platform/acenv.h>
  50 #include <acpi/actypes.h>
  51
  52 /* Types for acpi_os_execute */
  53
  54 typedef enum {
  55         OSL_GLOBAL_LOCK_HANDLER,
  56         OSL_NOTIFY_HANDLER,
  57         OSL_GPE_HANDLER,
  58         OSL_DEBUGGER_MAIN_THREAD,
  59         OSL_DEBUGGER_EXEC_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
  72 struct acpi_signal_fatal_info {
  73         u32 type;
  74         u32 code;
  75         u32 argument;
  76 };
  77
  78 /*
  79  * OSL Initialization and shutdown primitives
  80  */
  81 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
  82 acpi_status acpi_os_initialize(void);
  83 #endif
  84
  85 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
  86 acpi_status acpi_os_terminate(void);
  87 #endif
  88
  89 /*
  90  * ACPI Table interfaces
  91  */
  92 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_root_pointer
  93 acpi_physical_address acpi_os_get_root_pointer(void);
  94 #endif
  95
  96 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override
  97 acpi_status
  98 acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
  99                             char **new_val);
 100 #endif
 101
 102 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override
 103 acpi_status
 104 acpi_os_table_override(struct acpi_table_header *existing_table,
 105                        struct acpi_table_header **new_table);
 106 #endif
 107
 108 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override
 109 acpi_status
 110 acpi_os_physical_table_override(struct acpi_table_header *existing_table,
 111                                 acpi_physical_address * new_address,
 112                                 u32 *new_table_length);
 113 #endif
 114
 115 /*
 116  * Spinlock primitives
 117  */
 118 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
 119 acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
 120 #endif
 121
 122 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_lock
 123 void acpi_os_delete_lock(acpi_spinlock handle);
 124 #endif
 125
 126 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_lock
 127 acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
 128 #endif
 129
 130 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_lock
 131 void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
 132 #endif
 133
 134 /*
 135  * Semaphore primitives
 136  */
 137 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore
 138 acpi_status
 139 acpi_os_create_semaphore(u32 max_units,
 140                          u32 initial_units, acpi_semaphore * out_handle);
 141 #endif
 142
 143 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_semaphore
 144 acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
 145 #endif
 146
 147 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_semaphore
 148 acpi_status
 149 acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
 150 #endif
 151
 152 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal_semaphore
 153 acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
 154 #endif
 155
 156 /*
 157  * Mutex primitives. May be configured to use semaphores instead via
 158  * ACPI_MUTEX_TYPE (see platform/acenv.h)
 159  */
 160 #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE)
 161
 162 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_mutex
 163 acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
 164 #endif
 165
 166 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_mutex
 167 void acpi_os_delete_mutex(acpi_mutex handle);
 168 #endif
 169
 170 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_mutex
 171 acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
 172 #endif
 173
 174 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_mutex
 175 void acpi_os_release_mutex(acpi_mutex handle);
 176 #endif
 177
 178 #endif
 179
 180 /*
 181  * Memory allocation and mapping
 182  */
 183 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
 184 void *acpi_os_allocate(acpi_size size);
 185 #endif
 186
 187 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
 188 void *acpi_os_allocate_zeroed(acpi_size size);
 189 #endif
 190
 191 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
 192 void acpi_os_free(void *memory);
 193 #endif
 194
 195 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
 196 void *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
 197 #endif
 198
 199 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
 200 void acpi_os_unmap_memory(void *logical_address, acpi_size size);
 201 #endif
 202
 203 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address
 204 acpi_status
 205 acpi_os_get_physical_address(void *logical_address,
 206                              acpi_physical_address * physical_address);
 207 #endif
 208
 209 /*
 210  * Memory/Object Cache
 211  */
 212 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_cache
 213 acpi_status
 214 acpi_os_create_cache(char *cache_name,
 215                      u16 object_size,
 216                      u16 max_depth, acpi_cache_t ** return_cache);
 217 #endif
 218
 219 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_cache
 220 acpi_status acpi_os_delete_cache(acpi_cache_t * cache);
 221 #endif
 222
 223 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_purge_cache
 224 acpi_status acpi_os_purge_cache(acpi_cache_t * cache);
 225 #endif
 226
 227 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
 228 void *acpi_os_acquire_object(acpi_cache_t * cache);
 229 #endif
 230
 231 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_object
 232 acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object);
 233 #endif
 234
 235 /*
 236  * Interrupt handlers
 237  */
 238 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_install_interrupt_handler
 239 acpi_status
 240 acpi_os_install_interrupt_handler(u32 interrupt_number,
 241                                   acpi_osd_handler service_routine,
 242                                   void *context);
 243 #endif
 244
 245 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_remove_interrupt_handler
 246 acpi_status
 247 acpi_os_remove_interrupt_handler(u32 interrupt_number,
 248                                  acpi_osd_handler service_routine);
 249 #endif
 250
 251 /*
 252  * Threads and Scheduling
 253  */
 254 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
 255 acpi_thread_id acpi_os_get_thread_id(void);
 256 #endif
 257
 258 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_execute
 259 acpi_status
 260 acpi_os_execute(acpi_execute_type type,
 261                 acpi_osd_exec_callback function, void *context);
 262 #endif
 263
 264 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_events_complete
 265 void acpi_os_wait_events_complete(void);
 266 #endif
 267
 268 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_sleep
 269 void acpi_os_sleep(u64 milliseconds);
 270 #endif
 271
 272 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_stall
 273 void acpi_os_stall(u32 microseconds);
 274 #endif
 275
 276 /*
 277  * Platform and hardware-independent I/O interfaces
 278  */
 279 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_port
 280 acpi_status acpi_os_read_port(acpi_io_address address, u32 *value, u32 width);
 281 #endif
 282
 283 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_port
 284 acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width);
 285 #endif
 286
 287 /*
 288  * Platform and hardware-independent physical memory interfaces
 289  */
 290 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_memory
 291 acpi_status
 292 acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width);
 293 #endif
 294
 295 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_memory
 296 acpi_status
 297 acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width);
 298 #endif
 299
 300 /*
 301  * Platform and hardware-independent PCI configuration space access
 302  * Note: Can't use "Register" as a parameter, changed to "Reg" --
 303  * certain compilers complain.
 304  */
 305 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_pci_configuration
 306 acpi_status
 307 acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
 308                                u32 reg, u64 *value, u32 width);
 309 #endif
 310
 311 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_pci_configuration
 312 acpi_status
 313 acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
 314                                 u32 reg, u64 value, u32 width);
 315 #endif
 316
 317 /*
 318  * Miscellaneous
 319  */
 320 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
 321 u8 acpi_os_readable(void *pointer, acpi_size length);
 322 #endif
 323
 324 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
 325 u8 acpi_os_writable(void *pointer, acpi_size length);
 326 #endif
 327
 328 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_timer
 329 u64 acpi_os_get_timer(void);
 330 #endif
 331
 332 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal
 333 acpi_status acpi_os_signal(u32 function, void *info);
 334 #endif
 335
 336 /*
 337  * Debug print routines
 338  */
 339 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf
 340 void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...);
 341 #endif
 342
 343 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf
 344 void acpi_os_vprintf(const char *format, va_list args);
 345 #endif
 346
 347 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
 348 void acpi_os_redirect_output(void *destination);
 349 #endif
 350
 351 /*
 352  * Debug input
 353  */
 354 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
 355 acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read);
 356 #endif
 357
 358 /*
 359  * Obtain ACPI table(s)
 360  */
 361 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
 362 acpi_status
 363 acpi_os_get_table_by_name(char *signature,
 364                           u32 instance,
 365                           struct acpi_table_header **table,
 366                           acpi_physical_address * address);
 367 #endif
 368
 369 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
 370 acpi_status
 371 acpi_os_get_table_by_index(u32 index,
 372                            struct acpi_table_header **table,
 373                            u32 *instance, acpi_physical_address * address);
 374 #endif
 375
 376 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
 377 acpi_status
 378 acpi_os_get_table_by_address(acpi_physical_address address,
 379                              struct acpi_table_header **table);
 380 #endif
 381
 382 /*
 383  * Directory manipulation
 384  */
 385 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
 386 void *acpi_os_open_directory(char *pathname,
 387                              char *wildcard_spec, char requested_file_type);
 388 #endif
 389
 390 /* requeste_file_type values */
 391
 392 #define REQUEST_FILE_ONLY                   0
 393 #define REQUEST_DIR_ONLY                    1
 394
 395 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
 396 char *acpi_os_get_next_filename(void *dir_handle);
 397 #endif
 398
 399 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
 400 void acpi_os_close_directory(void *dir_handle);
 401 #endif
 402
 403 /*
 404  * File I/O and related support
 405  */
 406 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_file
 407 ACPI_FILE acpi_os_open_file(const char *path, u8 modes);
 408 #endif
 409
 410 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_file
 411 void acpi_os_close_file(ACPI_FILE file);
 412 #endif
 413
 414 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_file
 415 int
 416 acpi_os_read_file(ACPI_FILE file,
 417                   void *buffer, acpi_size size, acpi_size count);
 418 #endif
 419
 420 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_file
 421 int
 422 acpi_os_write_file(ACPI_FILE file,
 423                    void *buffer, acpi_size size, acpi_size count);
 424 #endif
 425
 426 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_file_offset
 427 long acpi_os_get_file_offset(ACPI_FILE file);
 428 #endif
 429
 430 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_set_file_offset
 431 acpi_status acpi_os_set_file_offset(ACPI_FILE file, long offset, u8 from);
 432 #endif
 433
 434 #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_trace_point
 435 void
 436 acpi_os_trace_point(acpi_trace_event_type type,
 437                     u8 begin, u8 *aml, char *pathname);
 438 #endif
 439
 440 #endif                          /* __ACPIOSXF_H__ */