[deliverable/linux.git] / include / acpi / acdispat.h

/******************************************************************************
 *
 * Name: acdispat.h - dispatcher (parser to interpreter interface)
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, 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 _ACDISPAT_H_
#define _ACDISPAT_H_


#define NAMEOF_LOCAL_NTE    "__L0"
#define NAMEOF_ARG_NTE      "__A0"


/*
 * dsopcode - support for late evaluation
 */
acpi_status
acpi_ds_get_buffer_field_arguments (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_get_region_arguments (
	union acpi_operand_object       *rgn_desc);

acpi_status
acpi_ds_get_buffer_arguments (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_get_package_arguments (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_eval_buffer_field_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_eval_region_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_eval_data_object_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_initialize_region (
	acpi_handle                     obj_handle);


/*
 * dsctrl - Parser/Interpreter interface, control stack routines
 */
acpi_status
acpi_ds_exec_begin_control_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_exec_end_control_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);


/*
 * dsexec - Parser/Interpreter interface, method execution callbacks
 */
acpi_status
acpi_ds_get_predicate_value (
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       *result_obj);

acpi_status
acpi_ds_exec_begin_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         **out_op);

acpi_status
acpi_ds_exec_end_op (
	struct acpi_walk_state          *state);


/*
 * dsfield - Parser/Interpreter interface for AML fields
 */
acpi_status
acpi_ds_create_field (
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *region_node,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_bank_field (
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *region_node,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_index_field (
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *region_node,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_buffer_field (
	union acpi_parse_object         *op,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_init_field_objects (
	union acpi_parse_object         *op,
	struct acpi_walk_state          *walk_state);


/*
 * dsload - Parser/Interpreter interface, namespace load callbacks
 */
acpi_status
acpi_ds_load1_begin_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         **out_op);

acpi_status
acpi_ds_load1_end_op (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_load2_begin_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         **out_op);

acpi_status
acpi_ds_load2_end_op (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_init_callbacks (
	struct acpi_walk_state          *walk_state,
	u32                             pass_number);


/*
 * dsmthdat - method data (locals/args)
 */
acpi_status
acpi_ds_store_object_to_local (
	u16                             opcode,
	u32                             index,
	union acpi_operand_object       *src_desc,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_method_data_get_entry (
	u16                             opcode,
	u32                             index,
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       ***node);

void
acpi_ds_method_data_delete_all (
	struct acpi_walk_state          *walk_state);

u8
acpi_ds_is_method_value (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_method_data_get_value (
	u16                             opcode,
	u32                             index,
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       **dest_desc);

acpi_status
acpi_ds_method_data_init_args (
	union acpi_operand_object       **params,
	u32                             max_param_count,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_method_data_get_node (
	u16                             opcode,
	u32                             index,
	struct acpi_walk_state          *walk_state,
	struct acpi_namespace_node      **node);

void
acpi_ds_method_data_init (
	struct acpi_walk_state          *walk_state);


/*
 * dsmethod - Parser/Interpreter interface - control method parsing
 */
acpi_status
acpi_ds_parse_method (
	acpi_handle                     obj_handle);

acpi_status
acpi_ds_call_control_method (
	struct acpi_thread_state        *thread,
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_restart_control_method (
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       *return_desc);

acpi_status
acpi_ds_terminate_control_method (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_begin_method_execution (
	struct acpi_namespace_node      *method_node,
	union acpi_operand_object       *obj_desc,
	struct acpi_namespace_node      *calling_method_node);


/*
 * dsinit
 */
acpi_status
acpi_ds_initialize_objects (
	struct acpi_table_desc          *table_desc,
	struct acpi_namespace_node      *start_node);


/*
 * dsobject - Parser/Interpreter interface - object initialization and conversion
 */
acpi_status
acpi_ds_build_internal_buffer_obj (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	u32                             buffer_length,
	union acpi_operand_object       **obj_desc_ptr);

acpi_status
acpi_ds_build_internal_package_obj (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	u32                             package_length,
	union acpi_operand_object       **obj_desc);

acpi_status
acpi_ds_init_object_from_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	u16                             opcode,
	union acpi_operand_object       **obj_desc);

acpi_status
acpi_ds_create_node (
	struct acpi_walk_state          *walk_state,
	struct acpi_namespace_node      *node,
	union acpi_parse_object         *op);


/*
 * dsutils - Parser/Interpreter interface utility routines
 */
void
acpi_ds_clear_implicit_return (
	struct acpi_walk_state          *walk_state);

u8
acpi_ds_do_implicit_return (
	union acpi_operand_object       *return_desc,
	struct acpi_walk_state          *walk_state,
	u8                              add_reference);

u8
acpi_ds_is_result_used (
	union acpi_parse_object         *op,
	struct acpi_walk_state          *walk_state);

void
acpi_ds_delete_result_if_not_used (
	union acpi_parse_object         *op,
	union acpi_operand_object       *result_obj,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_operand (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *arg,
	u32                             args_remaining);

acpi_status
acpi_ds_create_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *first_arg);

acpi_status
acpi_ds_resolve_operands (
	struct acpi_walk_state          *walk_state);

void
acpi_ds_clear_operands (
	struct acpi_walk_state          *walk_state);


/*
 * dswscope - Scope Stack manipulation
 */
acpi_status
acpi_ds_scope_stack_push (
	struct acpi_namespace_node      *node,
	acpi_object_type                type,
	struct acpi_walk_state          *walk_state);


acpi_status
acpi_ds_scope_stack_pop (
	struct acpi_walk_state          *walk_state);

void
acpi_ds_scope_stack_clear (
	struct acpi_walk_state          *walk_state);


/*
 * dswstate - parser WALK_STATE management routines
 */
acpi_status
acpi_ds_obj_stack_push (
	void                            *object,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_obj_stack_pop (
	u32                             pop_count,
	struct acpi_walk_state          *walk_state);

struct acpi_walk_state *
acpi_ds_create_walk_state (
	acpi_owner_id                   owner_id,
	union acpi_parse_object         *origin,
	union acpi_operand_object       *mth_desc,
	struct acpi_thread_state        *thread);

acpi_status
acpi_ds_init_aml_walk (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *method_node,
	u8                              *aml_start,
	u32                             aml_length,
	struct acpi_parameter_info      *info,
	u32                             pass_number);

acpi_status
acpi_ds_obj_stack_pop_and_delete (
	u32                             pop_count,
	struct acpi_walk_state          *walk_state);

void
acpi_ds_delete_walk_state (
	struct acpi_walk_state          *walk_state);

struct acpi_walk_state *
acpi_ds_pop_walk_state (
	struct acpi_thread_state        *thread);

void
acpi_ds_push_walk_state (
	struct acpi_walk_state          *walk_state,
	struct acpi_thread_state        *thread);

acpi_status
acpi_ds_result_stack_pop (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_stack_push (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_stack_clear (
	struct acpi_walk_state          *walk_state);

struct acpi_walk_state *
acpi_ds_get_current_walk_state (
	struct acpi_thread_state        *thread);

#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_ds_result_remove (
	union acpi_operand_object       **object,
	u32                             index,
	struct acpi_walk_state          *walk_state);
#endif

acpi_status
acpi_ds_result_pop (
	union acpi_operand_object       **object,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_push (
	union acpi_operand_object       *object,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_pop_from_bottom (
	union acpi_operand_object       **object,
	struct acpi_walk_state          *walk_state);

#ifdef ACPI_ENABLE_OBJECT_CACHE
void
acpi_ds_delete_walk_state_cache (
	void);
#endif

#endif /* _ACDISPAT_H_ */
Commit	Line	Data
1da177e4 LT	1	/******************************************************************************
	2	*
	3	* Name: acdispat.h - dispatcher (parser to interpreter interface)
	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
	45	#ifndef _ACDISPAT_H_
	46	#define _ACDISPAT_H_
	47
	48
	49	#define NAMEOF_LOCAL_NTE "__L0"
	50	#define NAMEOF_ARG_NTE "__A0"
	51
	52
44f6c012 RM	53	/*
	54	* dsopcode - support for late evaluation
	55	*/
1da177e4 LT	56	acpi_status
	57	acpi_ds_get_buffer_field_arguments (
	58	union acpi_operand_object *obj_desc);
	59
	60	acpi_status
	61	acpi_ds_get_region_arguments (
	62	union acpi_operand_object *rgn_desc);
	63
	64	acpi_status
	65	acpi_ds_get_buffer_arguments (
	66	union acpi_operand_object *obj_desc);
	67
	68	acpi_status
	69	acpi_ds_get_package_arguments (
	70	union acpi_operand_object *obj_desc);
	71
1da177e4 LT	72	acpi_status
	73	acpi_ds_eval_buffer_field_operands (
	74	struct acpi_walk_state *walk_state,
	75	union acpi_parse_object *op);
	76
	77	acpi_status
	78	acpi_ds_eval_region_operands (
	79	struct acpi_walk_state *walk_state,
	80	union acpi_parse_object *op);
	81
	82	acpi_status
	83	acpi_ds_eval_data_object_operands (
	84	struct acpi_walk_state *walk_state,
	85	union acpi_parse_object *op,
	86	union acpi_operand_object *obj_desc);
	87
	88	acpi_status
	89	acpi_ds_initialize_region (
	90	acpi_handle obj_handle);
	91
	92
44f6c012 RM	93	/*
	94	* dsctrl - Parser/Interpreter interface, control stack routines
	95	*/
1da177e4 LT	96	acpi_status
	97	acpi_ds_exec_begin_control_op (
	98	struct acpi_walk_state *walk_state,
	99	union acpi_parse_object *op);
	100
	101	acpi_status
	102	acpi_ds_exec_end_control_op (
	103	struct acpi_walk_state *walk_state,
	104	union acpi_parse_object *op);
	105
	106
44f6c012 RM	107	/*
	108	* dsexec - Parser/Interpreter interface, method execution callbacks
	109	*/
1da177e4 LT	110	acpi_status
	111	acpi_ds_get_predicate_value (
	112	struct acpi_walk_state *walk_state,
	113	union acpi_operand_object *result_obj);
	114
	115	acpi_status
	116	acpi_ds_exec_begin_op (
	117	struct acpi_walk_state *walk_state,
	118	union acpi_parse_object **out_op);
	119
	120	acpi_status
	121	acpi_ds_exec_end_op (
	122	struct acpi_walk_state *state);
	123
	124
44f6c012 RM	125	/*
	126	* dsfield - Parser/Interpreter interface for AML fields
	127	*/
1da177e4 LT	128	acpi_status
	129	acpi_ds_create_field (
	130	union acpi_parse_object *op,
	131	struct acpi_namespace_node *region_node,
	132	struct acpi_walk_state *walk_state);
	133
	134	acpi_status
	135	acpi_ds_create_bank_field (
	136	union acpi_parse_object *op,
	137	struct acpi_namespace_node *region_node,
	138	struct acpi_walk_state *walk_state);
	139
	140	acpi_status
	141	acpi_ds_create_index_field (
	142	union acpi_parse_object *op,
	143	struct acpi_namespace_node *region_node,
	144	struct acpi_walk_state *walk_state);
	145
	146	acpi_status
	147	acpi_ds_create_buffer_field (
	148	union acpi_parse_object *op,
	149	struct acpi_walk_state *walk_state);
	150
	151	acpi_status
	152	acpi_ds_init_field_objects (
	153	union acpi_parse_object *op,
	154	struct acpi_walk_state *walk_state);
	155
	156
44f6c012 RM	157	/*
	158	* dsload - Parser/Interpreter interface, namespace load callbacks
	159	*/
1da177e4 LT	160	acpi_status
	161	acpi_ds_load1_begin_op (
	162	struct acpi_walk_state *walk_state,
	163	union acpi_parse_object **out_op);
	164
	165	acpi_status
	166	acpi_ds_load1_end_op (
	167	struct acpi_walk_state *walk_state);
	168
	169	acpi_status
	170	acpi_ds_load2_begin_op (
	171	struct acpi_walk_state *walk_state,
	172	union acpi_parse_object **out_op);
	173
	174	acpi_status
	175	acpi_ds_load2_end_op (
	176	struct acpi_walk_state *walk_state);
	177
	178	acpi_status
	179	acpi_ds_init_callbacks (
	180	struct acpi_walk_state *walk_state,
	181	u32 pass_number);
	182
	183
44f6c012 RM	184	/*
	185	* dsmthdat - method data (locals/args)
	186	*/
1da177e4 LT	187	acpi_status
	188	acpi_ds_store_object_to_local (
	189	u16 opcode,
	190	u32 index,
	191	union acpi_operand_object *src_desc,
	192	struct acpi_walk_state *walk_state);
	193
	194	acpi_status
	195	acpi_ds_method_data_get_entry (
	196	u16 opcode,
	197	u32 index,
	198	struct acpi_walk_state *walk_state,
	199	union acpi_operand_object ***node);
	200
	201	void
	202	acpi_ds_method_data_delete_all (
	203	struct acpi_walk_state *walk_state);
	204
	205	u8
	206	acpi_ds_is_method_value (
	207	union acpi_operand_object *obj_desc);
	208
1da177e4 LT	209	acpi_status
	210	acpi_ds_method_data_get_value (
	211	u16 opcode,
	212	u32 index,
	213	struct acpi_walk_state *walk_state,
	214	union acpi_operand_object **dest_desc);
	215
1da177e4 LT	216	acpi_status
	217	acpi_ds_method_data_init_args (
	218	union acpi_operand_object **params,
	219	u32 max_param_count,
	220	struct acpi_walk_state *walk_state);
	221
	222	acpi_status
	223	acpi_ds_method_data_get_node (
	224	u16 opcode,
	225	u32 index,
	226	struct acpi_walk_state *walk_state,
	227	struct acpi_namespace_node **node);
	228
	229	void
	230	acpi_ds_method_data_init (
	231	struct acpi_walk_state *walk_state);
	232
1da177e4	233
44f6c012 RM	234	/*
	235	* dsmethod - Parser/Interpreter interface - control method parsing
	236	*/
1da177e4 LT	237	acpi_status
	238	acpi_ds_parse_method (
	239	acpi_handle obj_handle);
	240
	241	acpi_status
	242	acpi_ds_call_control_method (
	243	struct acpi_thread_state *thread,
	244	struct acpi_walk_state *walk_state,
	245	union acpi_parse_object *op);
	246
	247	acpi_status
	248	acpi_ds_restart_control_method (
	249	struct acpi_walk_state *walk_state,
	250	union acpi_operand_object *return_desc);
	251
	252	acpi_status
	253	acpi_ds_terminate_control_method (
	254	struct acpi_walk_state *walk_state);
	255
	256	acpi_status
	257	acpi_ds_begin_method_execution (
	258	struct acpi_namespace_node *method_node,
	259	union acpi_operand_object *obj_desc,
	260	struct acpi_namespace_node *calling_method_node);
	261
	262
44f6c012 RM	263	/*
	264	* dsinit
	265	*/
1da177e4 LT	266	acpi_status
	267	acpi_ds_initialize_objects (
	268	struct acpi_table_desc *table_desc,
	269	struct acpi_namespace_node *start_node);
	270
44f6c012 RM	271
	272	/*
	273	* dsobject - Parser/Interpreter interface - object initialization and conversion
	274	*/
1da177e4 LT	275	acpi_status
	276	acpi_ds_build_internal_buffer_obj (
	277	struct acpi_walk_state *walk_state,
	278	union acpi_parse_object *op,
	279	u32 buffer_length,
	280	union acpi_operand_object **obj_desc_ptr);
	281
	282	acpi_status
	283	acpi_ds_build_internal_package_obj (
	284	struct acpi_walk_state *walk_state,
	285	union acpi_parse_object *op,
	286	u32 package_length,
	287	union acpi_operand_object **obj_desc);
	288
1da177e4 LT	289	acpi_status
	290	acpi_ds_init_object_from_op (
	291	struct acpi_walk_state *walk_state,
	292	union acpi_parse_object *op,
	293	u16 opcode,
	294	union acpi_operand_object **obj_desc);
	295
	296	acpi_status
	297	acpi_ds_create_node (
	298	struct acpi_walk_state *walk_state,
	299	struct acpi_namespace_node *node,
	300	union acpi_parse_object *op);
	301
	302
44f6c012 RM	303	/*
	304	* dsutils - Parser/Interpreter interface utility routines
	305	*/
1da177e4 LT	306	void
	307	acpi_ds_clear_implicit_return (
	308	struct acpi_walk_state *walk_state);
	309
	310	u8
	311	acpi_ds_do_implicit_return (
	312	union acpi_operand_object *return_desc,
	313	struct acpi_walk_state *walk_state,
	314	u8 add_reference);
	315
	316	u8
	317	acpi_ds_is_result_used (
	318	union acpi_parse_object *op,
	319	struct acpi_walk_state *walk_state);
	320
	321	void
	322	acpi_ds_delete_result_if_not_used (
	323	union acpi_parse_object *op,
	324	union acpi_operand_object *result_obj,
	325	struct acpi_walk_state *walk_state);
	326
	327	acpi_status
	328	acpi_ds_create_operand (
	329	struct acpi_walk_state *walk_state,
	330	union acpi_parse_object *arg,
	331	u32 args_remaining);
	332
	333	acpi_status
	334	acpi_ds_create_operands (
	335	struct acpi_walk_state *walk_state,
	336	union acpi_parse_object *first_arg);
	337
	338	acpi_status
	339	acpi_ds_resolve_operands (
	340	struct acpi_walk_state *walk_state);
	341
	342	void
	343	acpi_ds_clear_operands (
	344	struct acpi_walk_state *walk_state);
	345
	346
	347	/*
	348	* dswscope - Scope Stack manipulation
	349	*/
1da177e4 LT	350	acpi_status
	351	acpi_ds_scope_stack_push (
	352	struct acpi_namespace_node *node,
	353	acpi_object_type type,
	354	struct acpi_walk_state *walk_state);
	355
	356
	357	acpi_status
	358	acpi_ds_scope_stack_pop (
	359	struct acpi_walk_state *walk_state);
	360
	361	void
	362	acpi_ds_scope_stack_clear (
	363	struct acpi_walk_state *walk_state);
	364
	365
44f6c012 RM	366	/*
	367	* dswstate - parser WALK_STATE management routines
	368	*/
	369	acpi_status
	370	acpi_ds_obj_stack_push (
	371	void *object,
	372	struct acpi_walk_state *walk_state);
	373
	374	acpi_status
	375	acpi_ds_obj_stack_pop (
	376	u32 pop_count,
	377	struct acpi_walk_state *walk_state);
1da177e4 LT	378
	379	struct acpi_walk_state *
	380	acpi_ds_create_walk_state (
	381	acpi_owner_id owner_id,
	382	union acpi_parse_object *origin,
	383	union acpi_operand_object *mth_desc,
	384	struct acpi_thread_state *thread);
	385
	386	acpi_status
	387	acpi_ds_init_aml_walk (
	388	struct acpi_walk_state *walk_state,
	389	union acpi_parse_object *op,
	390	struct acpi_namespace_node *method_node,
	391	u8 *aml_start,
	392	u32 aml_length,
	393	struct acpi_parameter_info *info,
	394	u32 pass_number);
	395
1da177e4 LT	396	acpi_status
	397	acpi_ds_obj_stack_pop_and_delete (
	398	u32 pop_count,
	399	struct acpi_walk_state *walk_state);
	400
	401	void
	402	acpi_ds_delete_walk_state (
	403	struct acpi_walk_state *walk_state);
	404
	405	struct acpi_walk_state *
	406	acpi_ds_pop_walk_state (
	407	struct acpi_thread_state *thread);
	408
	409	void
	410	acpi_ds_push_walk_state (
	411	struct acpi_walk_state *walk_state,
	412	struct acpi_thread_state *thread);
	413
	414	acpi_status
	415	acpi_ds_result_stack_pop (
	416	struct acpi_walk_state *walk_state);
	417
	418	acpi_status
	419	acpi_ds_result_stack_push (
	420	struct acpi_walk_state *walk_state);
	421
	422	acpi_status
	423	acpi_ds_result_stack_clear (
	424	struct acpi_walk_state *walk_state);
	425
	426	struct acpi_walk_state *
	427	acpi_ds_get_current_walk_state (
	428	struct acpi_thread_state *thread);
	429
1da177e4	430	#ifdef ACPI_FUTURE_USAGE
1da177e4 LT	431	acpi_status
	432	acpi_ds_result_remove (
	433	union acpi_operand_object **object,
	434	u32 index,
	435	struct acpi_walk_state *walk_state);
	436	#endif
	437
	438	acpi_status
	439	acpi_ds_result_pop (
	440	union acpi_operand_object **object,
	441	struct acpi_walk_state *walk_state);
	442
	443	acpi_status
	444	acpi_ds_result_push (
	445	union acpi_operand_object *object,
	446	struct acpi_walk_state *walk_state);
	447
	448	acpi_status
	449	acpi_ds_result_pop_from_bottom (
	450	union acpi_operand_object **object,
	451	struct acpi_walk_state *walk_state);
	452
44f6c012 RM	453	#ifdef ACPI_ENABLE_OBJECT_CACHE
	454	void
	455	acpi_ds_delete_walk_state_cache (
	456	void);
	457	#endif
	458
1da177e4	459	#endif /* _ACDISPAT_H_ */