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linux-next/include/acpi/acnamesp.h
Bob Moore 4119532c95 ACPI: ACPICA 20060526 
Restructured, flattened, and simplified the internal
interfaces for namespace object evaluation - resulting
in smaller code, less CPU stack use, and fewer
interfaces. (With assistance from Mikhail Kouzmich)

Fixed a problem with the CopyObject operator where the
first parameter was not typed correctly for the parser,
interpreter, compiler, and disassembler. Caused various
errors and unexpected behavior.

Fixed a problem where a ShiftLeft or ShiftRight of
more than 64 bits produced incorrect results with some
C compilers. Since the behavior of C compilers when
the shift value is larger than the datatype width is
apparently not well defined, the interpreter now detects
this condition and simply returns zero as expected in all
such cases. (BZ 395)

Fixed problem reports (Valery Podrezov) integrated: -
Update String-to-Integer conversion to match ACPI 3.0A spec
http://bugzilla.kernel.org/show_bug.cgi?id=5329
Allow interpreter to handle nested method declarations
http://bugzilla.kernel.org/show_bug.cgi?id=5361

Fixed problem reports (Fiodor Suietov) integrated: -
acpi_terminate() doesn't free debug memory allocation
list objects (BZ 355) - After Core Subsystem
shutdown, acpi_subsystem_status() returns AE_OK (BZ 356) -
acpi_os_unmap_memory() for RSDP can be invoked inconsistently
(BZ 357) - Resource Manager should return AE_TYPE for
non-device objects (BZ 358) - Incomplete cleanup branch
in AcpiNsEvaluateRelative (BZ 359) - Use acpi_os_free()
instead of ACPI_FREE in acpi_rs_set_srs_method_data (BZ 360)
- Incomplete cleanup branch in acpi_ps_parse_aml (BZ 361) -
Incomplete cleanup branch in acpi_ds_delete_walk_state (BZ 362)
- acpi_get_table_header returns AE_NO_ACPI_TABLES until DSDT
is loaded (BZ 365) - Status of the Global Initialization
Handler call not used (BZ 366) - Incorrect object parameter
to Global Initialization Handler (BZ 367)

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2006-06-14 02:44:35 -04:00

302 lines
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/******************************************************************************
*
* Name: acnamesp.h - Namespace subcomponent prototypes and defines
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#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 0x01
#define ACPI_NS_DONT_OPEN_SCOPE 0x02
#define ACPI_NS_NO_PEER_SEARCH 0x04
#define ACPI_NS_ERROR_IF_FOUND 0x08
#define ACPI_NS_PREFIX_IS_SCOPE 0x10
#define ACPI_NS_EXTERNAL 0x20
#define ACPI_NS_WALK_UNLOCK TRUE
#define ACPI_NS_WALK_NO_UNLOCK FALSE
/*
* nsinit - Namespace initialization
*/
acpi_status acpi_ns_initialize_objects(void);
acpi_status acpi_ns_initialize_devices(void);
/*
* nsload - Namespace loading
*/
acpi_status acpi_ns_load_namespace(void);
acpi_status
acpi_ns_load_table(struct acpi_table_desc *table_desc,
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,
u8 unlock_before_callback,
acpi_walk_callback user_function,
void *context, void **return_value);
struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
struct acpi_namespace_node
*parent,
struct acpi_namespace_node
*child);
/*
* nsparse - table parsing
*/
acpi_status
acpi_ns_parse_table(struct acpi_table_desc *table_desc,
struct acpi_namespace_node *scope);
acpi_status
acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc);
/*
* 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_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);
/*
* nsdump - Namespace dump/print utilities
*/
#ifdef ACPI_FUTURE_USAGE
void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth);
#endif /* ACPI_FUTURE_USAGE */
void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level);
void
acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component);
void acpi_ns_print_pathname(u32 num_segments, char *pathname);
acpi_status
acpi_ns_dump_one_object(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
#ifdef ACPI_FUTURE_USAGE
void
acpi_ns_dump_objects(acpi_object_type type,
u8 display_type,
u32 max_depth,
acpi_owner_id owner_id, acpi_handle start_handle);
#endif /* ACPI_FUTURE_USAGE */
/*
* nseval - Namespace evaluation functions
*/
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
/*
* nsnames - Name and Scope manipulation
*/
u32 acpi_ns_opens_scope(acpi_object_type type);
void
acpi_ns_build_external_path(struct acpi_namespace_node *node,
acpi_size size, char *name_buffer);
char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node);
char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state);
acpi_status
acpi_ns_handle_to_pathname(acpi_handle target_handle,
struct acpi_buffer *buffer);
u8
acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
acpi_status
acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
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);
/*
* 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
*/
u8 acpi_ns_valid_root_prefix(char prefix);
acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
u32 acpi_ns_local(acpi_object_type type);
void
acpi_ns_report_error(char *module_name,
u32 line_number,
char *internal_name, acpi_status lookup_status);
void
acpi_ns_report_method_error(char *module_name,
u32 line_number,
char *message,
struct acpi_namespace_node *node,
char *path, acpi_status lookup_status);
void acpi_ns_print_node_pathname(struct acpi_namespace_node *node, 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(char *dotted_name, char **converted_name);
acpi_status
acpi_ns_externalize_name(u32 internal_name_length,
char *internal_name,
u32 * converted_name_length, char **converted_name);
struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle);
acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node);
void acpi_ns_terminate(void);
struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
*node);
struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
acpi_namespace_node
*node);
#endif /* __ACNAMESP_H__ */
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