acnamesp.h 11 KB

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  1. /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2. /******************************************************************************
  3. *
  4. * Name: acnamesp.h - Namespace subcomponent prototypes and defines
  5. *
  6. * Copyright (C) 2000 - 2022, Intel Corp.
  7. *
  8. *****************************************************************************/
  9. #ifndef __ACNAMESP_H__
  10. #define __ACNAMESP_H__
  11. /* To search the entire name space, pass this as search_base */
  12. #define ACPI_NS_ALL ((acpi_handle)0)
  13. /*
  14. * Elements of acpi_ns_properties are bit significant
  15. * and should be one-to-one with values of acpi_object_type
  16. */
  17. #define ACPI_NS_NORMAL 0
  18. #define ACPI_NS_NEWSCOPE 1 /* a definition of this type opens a name scope */
  19. #define ACPI_NS_LOCAL 2 /* suppress search of enclosing scopes */
  20. /* Flags for acpi_ns_lookup, acpi_ns_search_and_enter */
  21. #define ACPI_NS_NO_UPSEARCH 0
  22. #define ACPI_NS_SEARCH_PARENT 0x0001
  23. #define ACPI_NS_DONT_OPEN_SCOPE 0x0002
  24. #define ACPI_NS_NO_PEER_SEARCH 0x0004
  25. #define ACPI_NS_ERROR_IF_FOUND 0x0008
  26. #define ACPI_NS_PREFIX_IS_SCOPE 0x0010
  27. #define ACPI_NS_EXTERNAL 0x0020
  28. #define ACPI_NS_TEMPORARY 0x0040
  29. #define ACPI_NS_OVERRIDE_IF_FOUND 0x0080
  30. #define ACPI_NS_EARLY_INIT 0x0100
  31. #define ACPI_NS_PREFIX_MUST_EXIST 0x0200
  32. /* Flags for acpi_ns_walk_namespace */
  33. #define ACPI_NS_WALK_NO_UNLOCK 0
  34. #define ACPI_NS_WALK_UNLOCK 0x01
  35. #define ACPI_NS_WALK_TEMP_NODES 0x02
  36. /* Object is not a package element */
  37. #define ACPI_NOT_PACKAGE_ELEMENT ACPI_UINT32_MAX
  38. #define ACPI_ALL_PACKAGE_ELEMENTS (ACPI_UINT32_MAX-1)
  39. /* Always emit warning message, not dependent on node flags */
  40. #define ACPI_WARN_ALWAYS 0
  41. /*
  42. * nsinit - Namespace initialization
  43. */
  44. acpi_status acpi_ns_initialize_objects(void);
  45. acpi_status acpi_ns_initialize_devices(u32 flags);
  46. acpi_status
  47. acpi_ns_init_one_package(acpi_handle obj_handle,
  48. u32 level, void *context, void **return_value);
  49. /*
  50. * nsload - Namespace loading
  51. */
  52. acpi_status acpi_ns_load_namespace(void);
  53. acpi_status
  54. acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node);
  55. /*
  56. * nswalk - walk the namespace
  57. */
  58. acpi_status
  59. acpi_ns_walk_namespace(acpi_object_type type,
  60. acpi_handle start_object,
  61. u32 max_depth,
  62. u32 flags,
  63. acpi_walk_callback descending_callback,
  64. acpi_walk_callback ascending_callback,
  65. void *context, void **return_value);
  66. struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
  67. *parent,
  68. struct acpi_namespace_node
  69. *child);
  70. struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
  71. struct
  72. acpi_namespace_node
  73. *parent,
  74. struct
  75. acpi_namespace_node
  76. *child);
  77. /*
  78. * nsparse - table parsing
  79. */
  80. acpi_status
  81. acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node);
  82. acpi_status
  83. acpi_ns_execute_table(u32 table_index, struct acpi_namespace_node *start_node);
  84. acpi_status
  85. acpi_ns_one_complete_parse(u32 pass_number,
  86. u32 table_index,
  87. struct acpi_namespace_node *start_node);
  88. /*
  89. * nsaccess - Top-level namespace access
  90. */
  91. acpi_status acpi_ns_root_initialize(void);
  92. acpi_status
  93. acpi_ns_lookup(union acpi_generic_state *scope_info,
  94. char *name,
  95. acpi_object_type type,
  96. acpi_interpreter_mode interpreter_mode,
  97. u32 flags,
  98. struct acpi_walk_state *walk_state,
  99. struct acpi_namespace_node **ret_node);
  100. /*
  101. * nsalloc - Named object allocation/deallocation
  102. */
  103. struct acpi_namespace_node *acpi_ns_create_node(u32 name);
  104. void acpi_ns_delete_node(struct acpi_namespace_node *node);
  105. void acpi_ns_remove_node(struct acpi_namespace_node *node);
  106. void
  107. acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_handle);
  108. void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id);
  109. void acpi_ns_detach_object(struct acpi_namespace_node *node);
  110. void acpi_ns_delete_children(struct acpi_namespace_node *parent);
  111. int acpi_ns_compare_names(char *name1, char *name2);
  112. /*
  113. * nsconvert - Dynamic object conversion routines
  114. */
  115. acpi_status
  116. acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
  117. union acpi_operand_object **return_object);
  118. acpi_status
  119. acpi_ns_convert_to_string(union acpi_operand_object *original_object,
  120. union acpi_operand_object **return_object);
  121. acpi_status
  122. acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
  123. union acpi_operand_object **return_object);
  124. acpi_status
  125. acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope,
  126. union acpi_operand_object *original_object,
  127. union acpi_operand_object **return_object);
  128. acpi_status
  129. acpi_ns_convert_to_resource(struct acpi_namespace_node *scope,
  130. union acpi_operand_object *original_object,
  131. union acpi_operand_object **return_object);
  132. acpi_status
  133. acpi_ns_convert_to_reference(struct acpi_namespace_node *scope,
  134. union acpi_operand_object *original_object,
  135. union acpi_operand_object **return_object);
  136. /*
  137. * nsdump - Namespace dump/print utilities
  138. */
  139. void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth);
  140. void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);
  141. void
  142. acpi_ns_dump_pathname(acpi_handle handle,
  143. const char *msg, u32 level, u32 component);
  144. void acpi_ns_print_pathname(u32 num_segments, const char *pathname);
  145. acpi_status
  146. acpi_ns_dump_one_object(acpi_handle obj_handle,
  147. u32 level, void *context, void **return_value);
  148. void
  149. acpi_ns_dump_objects(acpi_object_type type,
  150. u8 display_type,
  151. u32 max_depth,
  152. acpi_owner_id owner_id, acpi_handle start_handle);
  153. void
  154. acpi_ns_dump_object_paths(acpi_object_type type,
  155. u8 display_type,
  156. u32 max_depth,
  157. acpi_owner_id owner_id, acpi_handle start_handle);
  158. /*
  159. * nseval - Namespace evaluation functions
  160. */
  161. acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
  162. /*
  163. * nsarguments - Argument count/type checking for predefined/reserved names
  164. */
  165. void
  166. acpi_ns_check_argument_count(char *pathname,
  167. struct acpi_namespace_node *node,
  168. u32 user_param_count,
  169. const union acpi_predefined_info *info);
  170. void
  171. acpi_ns_check_acpi_compliance(char *pathname,
  172. struct acpi_namespace_node *node,
  173. const union acpi_predefined_info *predefined);
  174. void acpi_ns_check_argument_types(struct acpi_evaluate_info *info);
  175. /*
  176. * nspredef - Return value checking for predefined/reserved names
  177. */
  178. acpi_status
  179. acpi_ns_check_return_value(struct acpi_namespace_node *node,
  180. struct acpi_evaluate_info *info,
  181. u32 user_param_count,
  182. acpi_status return_status,
  183. union acpi_operand_object **return_object);
  184. acpi_status
  185. acpi_ns_check_object_type(struct acpi_evaluate_info *info,
  186. union acpi_operand_object **return_object_ptr,
  187. u32 expected_btypes, u32 package_index);
  188. /*
  189. * nsprepkg - Validation of predefined name packages
  190. */
  191. acpi_status
  192. acpi_ns_check_package(struct acpi_evaluate_info *info,
  193. union acpi_operand_object **return_object_ptr);
  194. /*
  195. * nsnames - Name and Scope manipulation
  196. */
  197. u32 acpi_ns_opens_scope(acpi_object_type type);
  198. char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);
  199. u32
  200. acpi_ns_build_normalized_path(struct acpi_namespace_node *node,
  201. char *full_path, u32 path_size, u8 no_trailing);
  202. void acpi_ns_normalize_pathname(char *original_path);
  203. char *acpi_ns_get_normalized_pathname(struct acpi_namespace_node *node,
  204. u8 no_trailing);
  205. char *acpi_ns_build_prefixed_pathname(union acpi_generic_state *prefix_scope,
  206. const char *internal_path);
  207. char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);
  208. acpi_status
  209. acpi_ns_handle_to_name(acpi_handle target_handle, struct acpi_buffer *buffer);
  210. acpi_status
  211. acpi_ns_handle_to_pathname(acpi_handle target_handle,
  212. struct acpi_buffer *buffer, u8 no_trailing);
  213. u8
  214. acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
  215. acpi_status
  216. acpi_ns_get_node_unlocked(struct acpi_namespace_node *prefix_node,
  217. const char *external_pathname,
  218. u32 flags, struct acpi_namespace_node **out_node);
  219. acpi_status
  220. acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
  221. const char *external_pathname,
  222. u32 flags, struct acpi_namespace_node **out_node);
  223. acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
  224. /*
  225. * nsobject - Object management for namespace nodes
  226. */
  227. acpi_status
  228. acpi_ns_attach_object(struct acpi_namespace_node *node,
  229. union acpi_operand_object *object, acpi_object_type type);
  230. union acpi_operand_object *acpi_ns_get_attached_object(struct
  231. acpi_namespace_node
  232. *node);
  233. union acpi_operand_object *acpi_ns_get_secondary_object(union
  234. acpi_operand_object
  235. *obj_desc);
  236. acpi_status
  237. acpi_ns_attach_data(struct acpi_namespace_node *node,
  238. acpi_object_handler handler, void *data);
  239. acpi_status
  240. acpi_ns_detach_data(struct acpi_namespace_node *node,
  241. acpi_object_handler handler);
  242. acpi_status
  243. acpi_ns_get_attached_data(struct acpi_namespace_node *node,
  244. acpi_object_handler handler, void **data);
  245. /*
  246. * nsrepair - General return object repair for all
  247. * predefined methods/objects
  248. */
  249. acpi_status
  250. acpi_ns_simple_repair(struct acpi_evaluate_info *info,
  251. u32 expected_btypes,
  252. u32 package_index,
  253. union acpi_operand_object **return_object_ptr);
  254. acpi_status
  255. acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
  256. union acpi_operand_object *original_object,
  257. union acpi_operand_object **obj_desc_ptr);
  258. acpi_status
  259. acpi_ns_repair_null_element(struct acpi_evaluate_info *info,
  260. u32 expected_btypes,
  261. u32 package_index,
  262. union acpi_operand_object **return_object_ptr);
  263. void
  264. acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
  265. u8 package_type,
  266. union acpi_operand_object *obj_desc);
  267. /*
  268. * nsrepair2 - Return object repair for specific
  269. * predefined methods/objects
  270. */
  271. acpi_status
  272. acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
  273. struct acpi_namespace_node *node,
  274. acpi_status validate_status,
  275. union acpi_operand_object **return_object_ptr);
  276. /*
  277. * nssearch - Namespace searching and entry
  278. */
  279. acpi_status
  280. acpi_ns_search_and_enter(u32 entry_name,
  281. struct acpi_walk_state *walk_state,
  282. struct acpi_namespace_node *node,
  283. acpi_interpreter_mode interpreter_mode,
  284. acpi_object_type type,
  285. u32 flags, struct acpi_namespace_node **ret_node);
  286. acpi_status
  287. acpi_ns_search_one_scope(u32 entry_name,
  288. struct acpi_namespace_node *node,
  289. acpi_object_type type,
  290. struct acpi_namespace_node **ret_node);
  291. void
  292. acpi_ns_install_node(struct acpi_walk_state *walk_state,
  293. struct acpi_namespace_node *parent_node,
  294. struct acpi_namespace_node *node, acpi_object_type type);
  295. /*
  296. * nsutils - Utility functions
  297. */
  298. acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
  299. u32 acpi_ns_local(acpi_object_type type);
  300. void
  301. acpi_ns_print_node_pathname(struct acpi_namespace_node *node, const char *msg);
  302. acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);
  303. void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);
  304. acpi_status
  305. acpi_ns_internalize_name(const char *dotted_name, char **converted_name);
  306. acpi_status
  307. acpi_ns_externalize_name(u32 internal_name_length,
  308. const char *internal_name,
  309. u32 * converted_name_length, char **converted_name);
  310. struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
  311. void acpi_ns_terminate(void);
  312. #endif /* __ACNAMESP_H__ */