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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* Name: acnamesp.h - Namespace subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2023, Intel Corp.
*
*****************************************************************************/
#ifndef __ACNAMESP_H__
#define __ACNAMESP_H__
/* To search the entire name space, pass this as search_base */
#define ACPI_NS_ALL ((acpi_handle)0)
/*
* Elements of acpi_ns_properties are bit significant
* and should be one-to-one with values of acpi_object_type
*/
#define ACPI_NS_NORMAL 0
#define ACPI_NS_NEWSCOPE 1 /* a definition of this type opens a name scope */
#define ACPI_NS_LOCAL 2 /* suppress search of enclosing scopes */
/* Flags for acpi_ns_lookup, acpi_ns_search_and_enter */
#define ACPI_NS_NO_UPSEARCH 0
#define ACPI_NS_SEARCH_PARENT 0x0001
#define ACPI_NS_DONT_OPEN_SCOPE 0x0002
#define ACPI_NS_NO_PEER_SEARCH 0x0004
#define ACPI_NS_ERROR_IF_FOUND 0x0008
#define ACPI_NS_PREFIX_IS_SCOPE 0x0010
#define ACPI_NS_EXTERNAL 0x0020
#define ACPI_NS_TEMPORARY 0x0040
#define ACPI_NS_OVERRIDE_IF_FOUND 0x0080
#define ACPI_NS_EARLY_INIT 0x0100
#define ACPI_NS_PREFIX_MUST_EXIST 0x0200
/* Flags for acpi_ns_walk_namespace */
#define ACPI_NS_WALK_NO_UNLOCK 0
#define ACPI_NS_WALK_UNLOCK 0x01
#define ACPI_NS_WALK_TEMP_NODES 0x02
/* Object is not a package element */
#define ACPI_NOT_PACKAGE_ELEMENT ACPI_UINT32_MAX
#define ACPI_ALL_PACKAGE_ELEMENTS (ACPI_UINT32_MAX-1)
/* Always emit warning message, not dependent on node flags */
#define ACPI_WARN_ALWAYS 0
/*
* nsinit - Namespace initialization
*/
acpi_status acpi_ns_initialize_objects(void);
acpi_status acpi_ns_initialize_devices(u32 flags);
acpi_status
acpi_ns_init_one_package(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
/*
* nsload - Namespace loading
*/
acpi_status acpi_ns_load_namespace(void);
acpi_status
acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node);
/*
* nswalk - walk the namespace
*/
acpi_status
acpi_ns_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
u32 flags,
acpi_walk_callback descending_callback,
acpi_walk_callback ascending_callback,
void *context, void **return_value);
struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
*parent,
struct acpi_namespace_node
*child);
struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
struct
acpi_namespace_node
*parent,
struct
acpi_namespace_node
*child);
/*
* nsparse - table parsing
*/
acpi_status
acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node);
acpi_status
acpi_ns_execute_table(u32 table_index, struct acpi_namespace_node *start_node);
acpi_status
acpi_ns_one_complete_parse(u32 pass_number,
u32 table_index,
struct acpi_namespace_node *start_node);
/*
* nsaccess - Top-level namespace access
*/
acpi_status acpi_ns_root_initialize(void);
acpi_status
acpi_ns_lookup(union acpi_generic_state *scope_info,
char *name,
acpi_object_type type,
acpi_interpreter_mode interpreter_mode,
u32 flags,
struct acpi_walk_state *walk_state,
struct acpi_namespace_node **ret_node);
/*
* nsalloc - Named object allocation/deallocation
*/
struct acpi_namespace_node *acpi_ns_create_node(u32 name);
void acpi_ns_delete_node(struct acpi_namespace_node *node);
void acpi_ns_remove_node(struct acpi_namespace_node *node);
void
acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_handle);
void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id);
void acpi_ns_detach_object(struct acpi_namespace_node *node);
void acpi_ns_delete_children(struct acpi_namespace_node *parent);
int acpi_ns_compare_names(char *name1, char *name2);
/*
* nsconvert - Dynamic object conversion routines
*/
acpi_status
acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_string(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope,
union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_resource(struct acpi_namespace_node *scope,
union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_reference(struct acpi_namespace_node *scope,
union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
/*
* nsdump - Namespace dump/print utilities
*/
void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth);
void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);
void
acpi_ns_dump_pathname(acpi_handle handle,
const char *msg, u32 level, u32 component);
void acpi_ns_print_pathname(u32 num_segments, const char *pathname);
acpi_status
acpi_ns_dump_one_object(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
void
acpi_ns_dump_objects(acpi_object_type type,
u8 display_type,
u32 max_depth,
acpi_owner_id owner_id, acpi_handle start_handle);
void
acpi_ns_dump_object_paths(acpi_object_type type,
u8 display_type,
u32 max_depth,
acpi_owner_id owner_id, acpi_handle start_handle);
/*
* nseval - Namespace evaluation functions
*/
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
/*
* nsarguments - Argument count/type checking for predefined/reserved names
*/
void
acpi_ns_check_argument_count(char *pathname,
struct acpi_namespace_node *node,
u32 user_param_count,
const union acpi_predefined_info *info);
void
acpi_ns_check_acpi_compliance(char *pathname,
struct acpi_namespace_node *node,
const union acpi_predefined_info *predefined);
void acpi_ns_check_argument_types(struct acpi_evaluate_info *info);
/*
* nspredef - Return value checking for predefined/reserved names
*/
acpi_status
acpi_ns_check_return_value(struct acpi_namespace_node *node,
struct acpi_evaluate_info *info,
u32 user_param_count,
acpi_status return_status,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_check_object_type(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr,
u32 expected_btypes, u32 package_index);
/*
* nsprepkg - Validation of predefined name packages
*/
acpi_status
acpi_ns_check_package(struct acpi_evaluate_info *info,
union acpi_operand_object **return_object_ptr);
/*
* nsnames - Name and Scope manipulation
*/
u32 acpi_ns_opens_scope(acpi_object_type type);
char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);
u32
acpi_ns_build_normalized_path(struct acpi_namespace_node *node,
char *full_path, u32 path_size, u8 no_trailing);
void acpi_ns_normalize_pathname(char *original_path);
char *acpi_ns_get_normalized_pathname(struct acpi_namespace_node *node,
u8 no_trailing);
char *acpi_ns_build_prefixed_pathname(union acpi_generic_state *prefix_scope,
const char *internal_path);
char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);
acpi_status
acpi_ns_handle_to_name(acpi_handle target_handle, struct acpi_buffer *buffer);
acpi_status
acpi_ns_handle_to_pathname(acpi_handle target_handle,
struct acpi_buffer *buffer, u8 no_trailing);
u8
acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
acpi_status
acpi_ns_get_node_unlocked(struct acpi_namespace_node *prefix_node,
const char *external_pathname,
u32 flags, struct acpi_namespace_node **out_node);
acpi_status
acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
const char *external_pathname,
u32 flags, struct acpi_namespace_node **out_node);
acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
/*
* nsobject - Object management for namespace nodes
*/
acpi_status
acpi_ns_attach_object(struct acpi_namespace_node *node,
union acpi_operand_object *object, acpi_object_type type);
union acpi_operand_object *acpi_ns_get_attached_object(struct
acpi_namespace_node
*node);
union acpi_operand_object *acpi_ns_get_secondary_object(union
acpi_operand_object
*obj_desc);
acpi_status
acpi_ns_attach_data(struct acpi_namespace_node *node,
acpi_object_handler handler, void *data);
acpi_status
acpi_ns_detach_data(struct acpi_namespace_node *node,
acpi_object_handler handler);
acpi_status
acpi_ns_get_attached_data(struct acpi_namespace_node *node,
acpi_object_handler handler, void **data);
/*
* nsrepair - General return object repair for all
* predefined methods/objects
*/
acpi_status
acpi_ns_simple_repair(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
acpi_status
acpi_ns_wrap_with_package(struct acpi_evaluate_info *info,
union acpi_operand_object *original_object,
union acpi_operand_object **obj_desc_ptr);
acpi_status
acpi_ns_repair_null_element(struct acpi_evaluate_info *info,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
void
acpi_ns_remove_null_elements(struct acpi_evaluate_info *info,
u8 package_type,
union acpi_operand_object *obj_desc);
/*
* nsrepair2 - Return object repair for specific
* predefined methods/objects
*/
acpi_status
acpi_ns_complex_repairs(struct acpi_evaluate_info *info,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr);
/*
* nssearch - Namespace searching and entry
*/
acpi_status
acpi_ns_search_and_enter(u32 entry_name,
struct acpi_walk_state *walk_state,
struct acpi_namespace_node *node,
acpi_interpreter_mode interpreter_mode,
acpi_object_type type,
u32 flags, struct acpi_namespace_node **ret_node);
acpi_status
acpi_ns_search_one_scope(u32 entry_name,
struct acpi_namespace_node *node,
acpi_object_type type,
struct acpi_namespace_node **ret_node);
void
acpi_ns_install_node(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *parent_node,
struct acpi_namespace_node *node, acpi_object_type type);
/*
* nsutils - Utility functions
*/
acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
u32 acpi_ns_local(acpi_object_type type);
void
acpi_ns_print_node_pathname(struct acpi_namespace_node *node, const char *msg);
acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);
void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);
acpi_status
acpi_ns_internalize_name(const char *dotted_name, char **converted_name);
acpi_status
acpi_ns_externalize_name(u32 internal_name_length,
const char *internal_name,
u32 * converted_name_length, char **converted_name);
struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
void acpi_ns_terminate(void);
#endif /* __ACNAMESP_H__ */
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