include/acpi/acutils.h

   1 /******************************************************************************
   2  *
   3  * Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2005, R. Byron Moore
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef _ACUTILS_H
  45 #define _ACUTILS_H
  46
  47 typedef
  48 acpi_status(*acpi_pkg_callback) (u8 object_type,
  49                                  union acpi_operand_object * source_object,
  50                                  union acpi_generic_state * state,
  51                                  void *context);
  52
  53 struct acpi_pkg_info {
  54         u8 *free_space;
  55         acpi_size length;
  56         u32 object_space;
  57         u32 num_packages;
  58 };
  59
  60 #define REF_INCREMENT       (u16) 0
  61 #define REF_DECREMENT       (u16) 1
  62 #define REF_FORCE_DELETE    (u16) 2
  63
  64 /* acpi_ut_dump_buffer */
  65
  66 #define DB_BYTE_DISPLAY     1
  67 #define DB_WORD_DISPLAY     2
  68 #define DB_DWORD_DISPLAY    4
  69 #define DB_QWORD_DISPLAY    8
  70
  71 /*
  72  * utglobal - Global data structures and procedures
  73  */
  74 void acpi_ut_init_globals(void);
  75
  76 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  77
  78 char *acpi_ut_get_mutex_name(u32 mutex_id);
  79
  80 #endif
  81
  82 char *acpi_ut_get_type_name(acpi_object_type type);
  83
  84 char *acpi_ut_get_node_name(void *object);
  85
  86 char *acpi_ut_get_descriptor_name(void *object);
  87
  88 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
  89
  90 char *acpi_ut_get_region_name(u8 space_id);
  91
  92 char *acpi_ut_get_event_name(u32 event_id);
  93
  94 char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position);
  95
  96 u8 acpi_ut_valid_object_type(acpi_object_type type);
  97
  98 /*
  99  * utinit - miscellaneous initialization and shutdown
 100  */
 101 acpi_status acpi_ut_hardware_initialize(void);
 102
 103 void acpi_ut_subsystem_shutdown(void);
 104
 105 acpi_status acpi_ut_validate_fadt(void);
 106
 107 /*
 108  * utclib - Local implementations of C library functions
 109  */
 110 #ifndef ACPI_USE_SYSTEM_CLIBRARY
 111
 112 acpi_size acpi_ut_strlen(const char *string);
 113
 114 char *acpi_ut_strcpy(char *dst_string, const char *src_string);
 115
 116 char *acpi_ut_strncpy(char *dst_string,
 117                       const char *src_string, acpi_size count);
 118
 119 int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count);
 120
 121 int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count);
 122
 123 int acpi_ut_strcmp(const char *string1, const char *string2);
 124
 125 char *acpi_ut_strcat(char *dst_string, const char *src_string);
 126
 127 char *acpi_ut_strncat(char *dst_string,
 128                       const char *src_string, acpi_size count);
 129
 130 u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base);
 131
 132 char *acpi_ut_strstr(char *string1, char *string2);
 133
 134 void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count);
 135
 136 void *acpi_ut_memset(void *dest, acpi_native_uint value, acpi_size count);
 137
 138 int acpi_ut_to_upper(int c);
 139
 140 int acpi_ut_to_lower(int c);
 141
 142 extern const u8 _acpi_ctype[];
 143
 144 #define _ACPI_XA     0x00       /* extra alphabetic - not supported */
 145 #define _ACPI_XS     0x40       /* extra space */
 146 #define _ACPI_BB     0x00       /* BEL, BS, etc. - not supported */
 147 #define _ACPI_CN     0x20       /* CR, FF, HT, NL, VT */
 148 #define _ACPI_DI     0x04       /* '0'-'9' */
 149 #define _ACPI_LO     0x02       /* 'a'-'z' */
 150 #define _ACPI_PU     0x10       /* punctuation */
 151 #define _ACPI_SP     0x08       /* space */
 152 #define _ACPI_UP     0x01       /* 'A'-'Z' */
 153 #define _ACPI_XD     0x80       /* '0'-'9', 'A'-'F', 'a'-'f' */
 154
 155 #define ACPI_IS_DIGIT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_DI))
 156 #define ACPI_IS_SPACE(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_SP))
 157 #define ACPI_IS_XDIGIT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_XD))
 158 #define ACPI_IS_UPPER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_UP))
 159 #define ACPI_IS_LOWER(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO))
 160 #define ACPI_IS_PRINT(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU))
 161 #define ACPI_IS_ALPHA(c)  (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP))
 162 #define ACPI_IS_ASCII(c)  ((c) < 0x80)
 163
 164 #endif                          /* ACPI_USE_SYSTEM_CLIBRARY */
 165
 166 /*
 167  * utcopy - Object construction and conversion interfaces
 168  */
 169 acpi_status
 170 acpi_ut_build_simple_object(union acpi_operand_object *obj,
 171                             union acpi_object *user_obj,
 172                             u8 * data_space, u32 * buffer_space_used);
 173
 174 acpi_status
 175 acpi_ut_build_package_object(union acpi_operand_object *obj,
 176                              u8 * buffer, u32 * space_used);
 177
 178 acpi_status
 179 acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj,
 180                                 struct acpi_buffer *ret_buffer);
 181
 182 acpi_status
 183 acpi_ut_copy_eobject_to_iobject(union acpi_object *obj,
 184                                 union acpi_operand_object **internal_obj);
 185
 186 acpi_status
 187 acpi_ut_copy_isimple_to_isimple(union acpi_operand_object *source_obj,
 188                                 union acpi_operand_object *dest_obj);
 189
 190 acpi_status
 191 acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
 192                                 union acpi_operand_object **dest_desc,
 193                                 struct acpi_walk_state *walk_state);
 194
 195 /*
 196  * utcreate - Object creation
 197  */
 198 acpi_status
 199 acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action);
 200
 201 /*
 202  * utdebug - Debug interfaces
 203  */
 204 void acpi_ut_init_stack_ptr_trace(void);
 205
 206 void acpi_ut_track_stack_ptr(void);
 207
 208 void
 209 acpi_ut_trace(u32 line_number,
 210               const char *function_name, char *module_name, u32 component_id);
 211
 212 void
 213 acpi_ut_trace_ptr(u32 line_number,
 214                   const char *function_name,
 215                   char *module_name, u32 component_id, void *pointer);
 216
 217 void
 218 acpi_ut_trace_u32(u32 line_number,
 219                   const char *function_name,
 220                   char *module_name, u32 component_id, u32 integer);
 221
 222 void
 223 acpi_ut_trace_str(u32 line_number,
 224                   const char *function_name,
 225                   char *module_name, u32 component_id, char *string);
 226
 227 void
 228 acpi_ut_exit(u32 line_number,
 229              const char *function_name, char *module_name, u32 component_id);
 230
 231 void
 232 acpi_ut_status_exit(u32 line_number,
 233                     const char *function_name,
 234                     char *module_name, u32 component_id, acpi_status status);
 235
 236 void
 237 acpi_ut_value_exit(u32 line_number,
 238                    const char *function_name,
 239                    char *module_name, u32 component_id, acpi_integer value);
 240
 241 void
 242 acpi_ut_ptr_exit(u32 line_number,
 243                  const char *function_name,
 244                  char *module_name, u32 component_id, u8 * ptr);
 245
 246 void acpi_ut_report_info(char *module_name, u32 line_number, u32 component_id);
 247
 248 void acpi_ut_report_error(char *module_name, u32 line_number, u32 component_id);
 249
 250 void
 251 acpi_ut_report_warning(char *module_name, u32 line_number, u32 component_id);
 252
 253 void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
 254
 255 void ACPI_INTERNAL_VAR_XFACE
 256 acpi_ut_debug_print(u32 requested_debug_level,
 257                     u32 line_number,
 258                     const char *function_name,
 259                     char *module_name,
 260                     u32 component_id, char *format, ...) ACPI_PRINTF_LIKE_FUNC;
 261
 262 void ACPI_INTERNAL_VAR_XFACE
 263 acpi_ut_debug_print_raw(u32 requested_debug_level,
 264                         u32 line_number,
 265                         const char *function_name,
 266                         char *module_name,
 267                         u32 component_id,
 268                         char *format, ...) ACPI_PRINTF_LIKE_FUNC;
 269
 270 /*
 271  * utdelete - Object deletion and reference counts
 272  */
 273 void acpi_ut_add_reference(union acpi_operand_object *object);
 274
 275 void acpi_ut_remove_reference(union acpi_operand_object *object);
 276
 277 void acpi_ut_delete_internal_package_object(union acpi_operand_object *object);
 278
 279 void acpi_ut_delete_internal_simple_object(union acpi_operand_object *object);
 280
 281 void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list);
 282
 283 /*
 284  * uteval - object evaluation
 285  */
 286 acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state);
 287
 288 acpi_status
 289 acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
 290                         char *path,
 291                         u32 expected_return_btypes,
 292                         union acpi_operand_object **return_desc);
 293
 294 acpi_status
 295 acpi_ut_evaluate_numeric_object(char *object_name,
 296                                 struct acpi_namespace_node *device_node,
 297                                 acpi_integer * address);
 298
 299 acpi_status
 300 acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
 301                     struct acpi_device_id *hid);
 302
 303 acpi_status
 304 acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
 305                     struct acpi_compatible_id_list **return_cid_list);
 306
 307 acpi_status
 308 acpi_ut_execute_STA(struct acpi_namespace_node *device_node,
 309                     u32 * status_flags);
 310
 311 acpi_status
 312 acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
 313                     struct acpi_device_id *uid);
 314
 315 acpi_status
 316 acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
 317
 318 /*
 319  * utobject - internal object create/delete/cache routines
 320  */
 321 union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
 322                                                               u32 line_number,
 323                                                               u32 component_id,
 324                                                               acpi_object_type
 325                                                               type);
 326
 327 void *acpi_ut_allocate_object_desc_dbg(char *module_name,
 328                                        u32 line_number, u32 component_id);
 329
 330 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
 331 #define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
 332
 333 void acpi_ut_delete_object_desc(union acpi_operand_object *object);
 334
 335 u8 acpi_ut_valid_internal_object(void *object);
 336
 337 union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
 338
 339 union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
 340
 341 acpi_status
 342 acpi_ut_get_object_size(union acpi_operand_object *obj, acpi_size * obj_length);
 343
 344 /*
 345  * utstate - Generic state creation/cache routines
 346  */
 347 void
 348 acpi_ut_push_generic_state(union acpi_generic_state **list_head,
 349                            union acpi_generic_state *state);
 350
 351 union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
 352                                                     **list_head);
 353
 354 union acpi_generic_state *acpi_ut_create_generic_state(void);
 355
 356 struct acpi_thread_state *acpi_ut_create_thread_state(void);
 357
 358 union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
 359                                                       *object, u16 action);
 360
 361 union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
 362                                                    void *external_object,
 363                                                    u16 index);
 364
 365 acpi_status
 366 acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
 367                                      u16 action,
 368                                      union acpi_generic_state **state_list);
 369
 370 #ifdef  ACPI_FUTURE_USAGE
 371 acpi_status
 372 acpi_ut_create_pkg_state_and_push(void *internal_object,
 373                                   void *external_object,
 374                                   u16 index,
 375                                   union acpi_generic_state **state_list);
 376 #endif                          /* ACPI_FUTURE_USAGE */
 377
 378 union acpi_generic_state *acpi_ut_create_control_state(void);
 379
 380 void acpi_ut_delete_generic_state(union acpi_generic_state *state);
 381
 382 /*
 383  * utmath
 384  */
 385 acpi_status
 386 acpi_ut_divide(acpi_integer in_dividend,
 387                acpi_integer in_divisor,
 388                acpi_integer * out_quotient, acpi_integer * out_remainder);
 389
 390 acpi_status
 391 acpi_ut_short_divide(acpi_integer in_dividend,
 392                      u32 divisor,
 393                      acpi_integer * out_quotient, u32 * out_remainder);
 394
 395 /*
 396  * utmisc
 397  */
 398 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
 399
 400 void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
 401
 402 acpi_status
 403 acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
 404                           void *target_object,
 405                           acpi_pkg_callback walk_callback, void *context);
 406
 407 void acpi_ut_strupr(char *src_string);
 408
 409 void acpi_ut_print_string(char *string, u8 max_length);
 410
 411 u8 acpi_ut_valid_acpi_name(u32 name);
 412
 413 u8 acpi_ut_valid_acpi_character(char character);
 414
 415 acpi_status
 416 acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
 417
 418 /* Values for Base above (16=Hex, 10=Decimal) */
 419
 420 #define ACPI_ANY_BASE        0
 421
 422 u8 *acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc);
 423
 424 u8 acpi_ut_generate_checksum(u8 * buffer, u32 length);
 425
 426 u32 acpi_ut_dword_byte_swap(u32 value);
 427
 428 void acpi_ut_set_integer_width(u8 revision);
 429
 430 #ifdef ACPI_DEBUG_OUTPUT
 431 void
 432 acpi_ut_display_init_pathname(u8 type,
 433                               struct acpi_namespace_node *obj_handle,
 434                               char *path);
 435
 436 #endif
 437
 438 /*
 439  * utmutex - mutex support
 440  */
 441 acpi_status acpi_ut_mutex_initialize(void);
 442
 443 void acpi_ut_mutex_terminate(void);
 444
 445 acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id);
 446
 447 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id);
 448
 449 /*
 450  * utalloc - memory allocation and object caching
 451  */
 452 acpi_status acpi_ut_create_caches(void);
 453
 454 acpi_status acpi_ut_delete_caches(void);
 455
 456 acpi_status acpi_ut_validate_buffer(struct acpi_buffer *buffer);
 457
 458 acpi_status
 459 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
 460                           acpi_size required_length);
 461
 462 void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line);
 463
 464 void *acpi_ut_callocate(acpi_size size, u32 component, char *module, u32 line);
 465
 466 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 467 void *acpi_ut_allocate_and_track(acpi_size size,
 468                                  u32 component, char *module, u32 line);
 469
 470 void *acpi_ut_callocate_and_track(acpi_size size,
 471                                   u32 component, char *module, u32 line);
 472
 473 void
 474 acpi_ut_free_and_track(void *address, u32 component, char *module, u32 line);
 475
 476 #ifdef  ACPI_FUTURE_USAGE
 477 void acpi_ut_dump_allocation_info(void);
 478 #endif                          /* ACPI_FUTURE_USAGE */
 479
 480 void acpi_ut_dump_allocations(u32 component, char *module);
 481 #endif
 482
 483 #endif                          /* _ACUTILS_H */