1 /******************************************************************************
3 * Name: acnamesp.h - Namespace subcomponent prototypes and defines
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2006, R. Byron Moore
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12 * modification, are permitted provided that the following conditions
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44 #ifndef __ACNAMESP_H__
45 #define __ACNAMESP_H__
47 /* To search the entire name space, pass this as search_base */
49 #define ACPI_NS_ALL ((acpi_handle)0)
52 * Elements of acpi_ns_properties are bit significant
53 * and should be one-to-one with values of acpi_object_type
55 #define ACPI_NS_NORMAL 0
56 #define ACPI_NS_NEWSCOPE 1 /* a definition of this type opens a name scope */
57 #define ACPI_NS_LOCAL 2 /* suppress search of enclosing scopes */
59 /* Flags for acpi_ns_lookup, acpi_ns_search_and_enter */
61 #define ACPI_NS_NO_UPSEARCH 0
62 #define ACPI_NS_SEARCH_PARENT 0x01
63 #define ACPI_NS_DONT_OPEN_SCOPE 0x02
64 #define ACPI_NS_NO_PEER_SEARCH 0x04
65 #define ACPI_NS_ERROR_IF_FOUND 0x08
66 #define ACPI_NS_PREFIX_IS_SCOPE 0x10
67 #define ACPI_NS_EXTERNAL 0x20
69 #define ACPI_NS_WALK_UNLOCK TRUE
70 #define ACPI_NS_WALK_NO_UNLOCK FALSE
73 * nsinit - Namespace initialization
75 acpi_status acpi_ns_initialize_objects(void);
77 acpi_status acpi_ns_initialize_devices(void);
80 * nsload - Namespace loading
82 acpi_status acpi_ns_load_namespace(void);
85 acpi_ns_load_table(acpi_native_uint table_index,
86 struct acpi_namespace_node *node);
89 * nswalk - walk the namespace
92 acpi_ns_walk_namespace(acpi_object_type type,
93 acpi_handle start_object,
95 u8 unlock_before_callback,
96 acpi_walk_callback user_function,
97 void *context, void **return_value);
99 struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
100 struct acpi_namespace_node
102 struct acpi_namespace_node
106 * nsparse - table parsing
109 acpi_ns_parse_table(acpi_native_uint table_index,
110 struct acpi_namespace_node *start_node);
113 acpi_ns_one_complete_parse(acpi_native_uint pass_number,
114 acpi_native_uint table_index);
117 * nsaccess - Top-level namespace access
119 acpi_status acpi_ns_root_initialize(void);
122 acpi_ns_lookup(union acpi_generic_state *scope_info,
124 acpi_object_type type,
125 acpi_interpreter_mode interpreter_mode,
127 struct acpi_walk_state *walk_state,
128 struct acpi_namespace_node **ret_node);
131 * nsalloc - Named object allocation/deallocation
133 struct acpi_namespace_node *acpi_ns_create_node(u32 name);
135 void acpi_ns_delete_node(struct acpi_namespace_node *node);
138 acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_handle);
140 void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id);
142 void acpi_ns_detach_object(struct acpi_namespace_node *node);
144 void acpi_ns_delete_children(struct acpi_namespace_node *parent);
146 int acpi_ns_compare_names(char *name1, char *name2);
149 * nsdump - Namespace dump/print utilities
151 #ifdef ACPI_FUTURE_USAGE
152 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth);
153 #endif /* ACPI_FUTURE_USAGE */
155 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);
158 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component);
160 void acpi_ns_print_pathname(u32 num_segments, char *pathname);
163 acpi_ns_dump_one_object(acpi_handle obj_handle,
164 u32 level, void *context, void **return_value);
166 #ifdef ACPI_FUTURE_USAGE
168 acpi_ns_dump_objects(acpi_object_type type,
171 acpi_owner_id owner_id, acpi_handle start_handle);
172 #endif /* ACPI_FUTURE_USAGE */
175 * nseval - Namespace evaluation functions
177 acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
180 * nsnames - Name and Scope manipulation
182 u32 acpi_ns_opens_scope(acpi_object_type type);
185 acpi_ns_build_external_path(struct acpi_namespace_node *node,
186 acpi_size size, char *name_buffer);
188 char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);
190 char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);
193 acpi_ns_handle_to_pathname(acpi_handle target_handle,
194 struct acpi_buffer *buffer);
197 acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
200 acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
201 char *external_pathname,
202 u32 flags, struct acpi_namespace_node **out_node);
204 acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
207 * nsobject - Object management for namespace nodes
210 acpi_ns_attach_object(struct acpi_namespace_node *node,
211 union acpi_operand_object *object, acpi_object_type type);
213 union acpi_operand_object *acpi_ns_get_attached_object(struct
217 union acpi_operand_object *acpi_ns_get_secondary_object(union
222 acpi_ns_attach_data(struct acpi_namespace_node *node,
223 acpi_object_handler handler, void *data);
226 acpi_ns_detach_data(struct acpi_namespace_node *node,
227 acpi_object_handler handler);
230 acpi_ns_get_attached_data(struct acpi_namespace_node *node,
231 acpi_object_handler handler, void **data);
234 * nssearch - Namespace searching and entry
237 acpi_ns_search_and_enter(u32 entry_name,
238 struct acpi_walk_state *walk_state,
239 struct acpi_namespace_node *node,
240 acpi_interpreter_mode interpreter_mode,
241 acpi_object_type type,
242 u32 flags, struct acpi_namespace_node **ret_node);
245 acpi_ns_search_one_scope(u32 entry_name,
246 struct acpi_namespace_node *node,
247 acpi_object_type type,
248 struct acpi_namespace_node **ret_node);
251 acpi_ns_install_node(struct acpi_walk_state *walk_state,
252 struct acpi_namespace_node *parent_node,
253 struct acpi_namespace_node *node, acpi_object_type type);
256 * nsutils - Utility functions
258 u8 acpi_ns_valid_root_prefix(char prefix);
260 acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
262 u32 acpi_ns_local(acpi_object_type type);
265 acpi_ns_report_error(char *module_name,
267 char *internal_name, acpi_status lookup_status);
270 acpi_ns_report_method_error(char *module_name,
273 struct acpi_namespace_node *node,
274 char *path, acpi_status lookup_status);
276 void acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *msg);
278 acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);
280 void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);
282 acpi_status acpi_ns_internalize_name(char *dotted_name, char **converted_name);
285 acpi_ns_externalize_name(u32 internal_name_length,
287 u32 * converted_name_length, char **converted_name);
289 struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle);
291 acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node);
293 void acpi_ns_terminate(void);
295 struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
298 struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
302 #endif /* __ACNAMESP_H__ */