[deliverable/linux.git] / drivers / acpi / acpica / acstruct.h

/******************************************************************************
 *
 * Name: acstruct.h - Internal structs
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2014, Intel Corp.
 * 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 __ACSTRUCT_H__
#define __ACSTRUCT_H__

/* acpisrc:struct_defs -- for acpisrc conversion */

/*****************************************************************************
 *
 * Tree walking typedefs and structs
 *
 ****************************************************************************/

/*
 * Walk state - current state of a parse tree walk. Used for both a leisurely
 * stroll through the tree (for whatever reason), and for control method
 * execution.
 */
#define ACPI_NEXT_OP_DOWNWARD       1
#define ACPI_NEXT_OP_UPWARD         2

/*
 * Groups of definitions for walk_type used for different implementations of
 * walkers (never simultaneously) - flags for interpreter:
 */
#define ACPI_WALK_NON_METHOD        0
#define ACPI_WALK_METHOD            0x01
#define ACPI_WALK_METHOD_RESTART    0x02

/* Flags for iASL compiler only */

#define ACPI_WALK_CONST_REQUIRED    0x10
#define ACPI_WALK_CONST_OPTIONAL    0x20

struct acpi_walk_state {
	struct acpi_walk_state *next;	/* Next walk_state in list */
	u8 descriptor_type;	/* To differentiate various internal objs */
	u8 walk_type;
	u16 opcode;		/* Current AML opcode */
	u8 next_op_info;	/* Info about next_op */
	u8 num_operands;	/* Stack pointer for Operands[] array */
	u8 operand_index;	/* Index into operand stack, to be used by acpi_ds_obj_stack_push */
	acpi_owner_id owner_id;	/* Owner of objects created during the walk */
	u8 last_predicate;	/* Result of last predicate */
	u8 current_result;
	u8 return_used;
	u8 scope_depth;
	u8 pass_number;		/* Parse pass during table load */
	u8 result_size;		/* Total elements for the result stack */
	u8 result_count;	/* Current number of occupied elements of result stack */
	u32 aml_offset;
	u32 arg_types;
	u32 method_breakpoint;	/* For single stepping */
	u32 user_breakpoint;	/* User AML breakpoint */
	u32 parse_flags;

	struct acpi_parse_state parser_state;	/* Current state of parser */
	u32 prev_arg_types;
	u32 arg_count;		/* push for fixed or var args */

	struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS];	/* Control method arguments */
	struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS];	/* Control method locals */
	union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1];	/* Operands passed to the interpreter (+1 for NULL terminator) */
	union acpi_operand_object **params;

	u8 *aml_last_while;
	union acpi_operand_object **caller_return_desc;
	union acpi_generic_state *control_state;	/* List of control states (nested IFs) */
	struct acpi_namespace_node *deferred_node;	/* Used when executing deferred opcodes */
	union acpi_operand_object *implicit_return_obj;
	struct acpi_namespace_node *method_call_node;	/* Called method Node */
	union acpi_parse_object *method_call_op;	/* method_call Op if running a method */
	union acpi_operand_object *method_desc;	/* Method descriptor if running a method */
	struct acpi_namespace_node *method_node;	/* Method node if running a method. */
	union acpi_parse_object *op;	/* Current parser op */
	const struct acpi_opcode_info *op_info;	/* Info on current opcode */
	union acpi_parse_object *origin;	/* Start of walk [Obsolete] */
	union acpi_operand_object *result_obj;
	union acpi_generic_state *results;	/* Stack of accumulated results */
	union acpi_operand_object *return_desc;	/* Return object, if any */
	union acpi_generic_state *scope_info;	/* Stack of nested scopes */
	union acpi_parse_object *prev_op;	/* Last op that was processed */
	union acpi_parse_object *next_op;	/* next op to be processed */
	struct acpi_thread_state *thread;
	acpi_parse_downwards descending_callback;
	acpi_parse_upwards ascending_callback;
};

/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */

struct acpi_init_walk_info {
	u32 table_index;
	u32 object_count;
	u32 method_count;
	u32 device_count;
	u32 op_region_count;
	u32 field_count;
	u32 buffer_count;
	u32 package_count;
	u32 op_region_init;
	u32 field_init;
	u32 buffer_init;
	u32 package_init;
	acpi_owner_id owner_id;
};

struct acpi_get_devices_info {
	acpi_walk_callback user_function;
	void *context;
	const char *hid;
};

union acpi_aml_operands {
	union acpi_operand_object *operands[7];

	struct {
		struct acpi_object_integer *type;
		struct acpi_object_integer *code;
		struct acpi_object_integer *argument;

	} fatal;

	struct {
		union acpi_operand_object *source;
		struct acpi_object_integer *index;
		union acpi_operand_object *target;

	} index;

	struct {
		union acpi_operand_object *source;
		struct acpi_object_integer *index;
		struct acpi_object_integer *length;
		union acpi_operand_object *target;

	} mid;
};

/*
 * Structure used to pass object evaluation information and parameters.
 * Purpose is to reduce CPU stack use.
 */
struct acpi_evaluate_info {
	/* The first 3 elements are passed by the caller to acpi_ns_evaluate */

	struct acpi_namespace_node *prefix_node;	/* Input: starting node */
	char *relative_pathname;	/* Input: path relative to prefix_node */
	union acpi_operand_object **parameters;	/* Input: argument list */

	struct acpi_namespace_node *node;	/* Resolved node (prefix_node:relative_pathname) */
	union acpi_operand_object *obj_desc;	/* Object attached to the resolved node */
	char *full_pathname;	/* Full pathname of the resolved node */

	const union acpi_predefined_info *predefined;	/* Used if Node is a predefined name */
	union acpi_operand_object *return_object;	/* Object returned from the evaluation */
	union acpi_operand_object *parent_package;	/* Used if return object is a Package */

	u32 return_flags;	/* Used for return value analysis */
	u32 return_btype;	/* Bitmapped type of the returned object */
	u16 param_count;	/* Count of the input argument list */
	u8 pass_number;		/* Parser pass number */
	u8 return_object_type;	/* Object type of the returned object */
	u8 node_flags;		/* Same as Node->Flags */
	u8 flags;		/* General flags */
};

/* Values for Flags above */

#define ACPI_IGNORE_RETURN_VALUE    1

/* Defines for return_flags field above */

#define ACPI_OBJECT_REPAIRED        1
#define ACPI_OBJECT_WRAPPED         2

/* Info used by acpi_ns_initialize_devices */

struct acpi_device_walk_info {
	struct acpi_table_desc *table_desc;
	struct acpi_evaluate_info *evaluate_info;
	u32 device_count;
	u32 num_STA;
	u32 num_INI;
};

/* TBD: [Restructure] Merge with struct above */

struct acpi_walk_info {
	u32 debug_level;
	u32 count;
	acpi_owner_id owner_id;
	u8 display_type;
};

/* Display Types */

#define ACPI_DISPLAY_SUMMARY        (u8) 0
#define ACPI_DISPLAY_OBJECTS        (u8) 1
#define ACPI_DISPLAY_MASK           (u8) 1

#define ACPI_DISPLAY_SHORT          (u8) 2

#endif
Commit	Line	Data
1da177e4 LT	1	/******************************************************************************
	2	*
	3	* Name: acstruct.h - Internal structs
	4	*
	5	*****************************************************************************/
	6
	7	/*
fbb7a2dc	8	* Copyright (C) 2000 - 2014, Intel Corp.
1da177e4 LT	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	#ifndef __ACSTRUCT_H__
	45	#define __ACSTRUCT_H__
	46
61686124 BM	47	/* acpisrc:struct_defs -- for acpisrc conversion */
61686124 BM	48
1da177e4 LT	49	/*****************************************************************************
	50	*
	51	* Tree walking typedefs and structs
	52	*
	53	****************************************************************************/
	54
1da177e4	55	/*
73a3090a	56	* Walk state - current state of a parse tree walk. Used for both a leisurely
4119532c BM	57	* stroll through the tree (for whatever reason), and for control method
4119532c BM	58	* execution.
1da177e4	59	*/
1da177e4 LT	60	#define ACPI_NEXT_OP_DOWNWARD 1
	61	#define ACPI_NEXT_OP_UPWARD 2
	62
4119532c BM	63	/*
	64	* Groups of definitions for walk_type used for different implementations of
	65	* walkers (never simultaneously) - flags for interpreter:
	66	*/
1da177e4	67	#define ACPI_WALK_NON_METHOD 0
4119532c BM	68	#define ACPI_WALK_METHOD 0x01
	69	#define ACPI_WALK_METHOD_RESTART 0x02
	70
ba494bee	71	/* Flags for iASL compiler only */
4119532c BM	72
	73	#define ACPI_WALK_CONST_REQUIRED 0x10
	74	#define ACPI_WALK_CONST_OPTIONAL 0x20
1da177e4	75
4be44fcd	76	struct acpi_walk_state {
61686124 BM	77	struct acpi_walk_state next; / Next walk_state in list */
61686124 BM	78	u8 descriptor_type; /* To differentiate various internal objs */
4be44fcd	79	u8 walk_type;
61686124	80	u16 opcode; /* Current AML opcode */
4be44fcd LB	81	u8 next_op_info; /* Info about next_op */
4be44fcd LB	82	u8 num_operands; /* Stack pointer for Operands[] array */
773069d4	83	u8 operand_index; /* Index into operand stack, to be used by acpi_ds_obj_stack_push */
61686124 BM	84	acpi_owner_id owner_id; /* Owner of objects created during the walk */
	85	u8 last_predicate; /* Result of last predicate */
	86	u8 current_result;
4be44fcd	87	u8 return_used;
4be44fcd LB	88	u8 scope_depth;
4be44fcd LB	89	u8 pass_number; /* Parse pass during table load */
773069d4 BM	90	u8 result_size; /* Total elements for the result stack */
773069d4 BM	91	u8 result_count; /* Current number of occupied elements of result stack */
4be44fcd LB	92	u32 aml_offset;
	93	u32 arg_types;
	94	u32 method_breakpoint; /* For single stepping */
	95	u32 user_breakpoint; /* User AML breakpoint */
	96	u32 parse_flags;
61686124 BM	97
61686124 BM	98	struct acpi_parse_state parser_state; /* Current state of parser */
4be44fcd	99	u32 prev_arg_types;
793c2388	100	u32 arg_count; /* push for fixed or var args */
4be44fcd	101
4be44fcd	102	struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
61686124 BM	103	struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
	104	union acpi_operand_object operands[ACPI_OBJ_NUM_OPERANDS + 1]; / Operands passed to the interpreter (+1 for NULL terminator) */
	105	union acpi_operand_object **params;
	106
	107	u8 *aml_last_while;
4be44fcd LB	108	union acpi_operand_object **caller_return_desc;
	109	union acpi_generic_state control_state; / List of control states (nested IFs) */
	110	struct acpi_namespace_node deferred_node; / Used when executing deferred opcodes */
4be44fcd	111	union acpi_operand_object *implicit_return_obj;
4be44fcd LB	112	struct acpi_namespace_node method_call_node; / Called method Node */
	113	union acpi_parse_object method_call_op; / method_call Op if running a method */
	114	union acpi_operand_object method_desc; / Method descriptor if running a method */
	115	struct acpi_namespace_node method_node; / Method node if running a method. */
	116	union acpi_parse_object op; / Current parser op */
4be44fcd LB	117	const struct acpi_opcode_info op_info; / Info on current opcode */
4be44fcd LB	118	union acpi_parse_object origin; / Start of walk [Obsolete] */
4be44fcd LB	119	union acpi_operand_object *result_obj;
	120	union acpi_generic_state results; / Stack of accumulated results */
	121	union acpi_operand_object return_desc; / Return object, if any */
	122	union acpi_generic_state scope_info; / Stack of nested scopes */
4be44fcd LB	123	union acpi_parse_object prev_op; / Last op that was processed */
4be44fcd LB	124	union acpi_parse_object next_op; / next op to be processed */
61686124	125	struct acpi_thread_state *thread;
4be44fcd LB	126	acpi_parse_downwards descending_callback;
4be44fcd LB	127	acpi_parse_upwards ascending_callback;
1da177e4 LT	128	};
1da177e4 LT	129
96b7b7ad	130	/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
1da177e4	131
4be44fcd	132	struct acpi_init_walk_info {
67a119f9	133	u32 table_index;
96b7b7ad AS	134	u32 object_count;
	135	u32 method_count;
	136	u32 device_count;
	137	u32 op_region_count;
	138	u32 field_count;
	139	u32 buffer_count;
	140	u32 package_count;
	141	u32 op_region_init;
	142	u32 field_init;
	143	u32 buffer_init;
	144	u32 package_init;
	145	acpi_owner_id owner_id;
1da177e4 LT	146	};
1da177e4 LT	147
4be44fcd LB	148	struct acpi_get_devices_info {
	149	acpi_walk_callback user_function;
	150	void *context;
70b30fb1	151	const char *hid;
1da177e4 LT	152	};
1da177e4 LT	153
4be44fcd LB	154	union acpi_aml_operands {
4be44fcd LB	155	union acpi_operand_object *operands[7];
1da177e4	156
4be44fcd LB	157	struct {
	158	struct acpi_object_integer *type;
	159	struct acpi_object_integer *code;
	160	struct acpi_object_integer *argument;
1da177e4 LT	161
	162	} fatal;
	163
4be44fcd LB	164	struct {
	165	union acpi_operand_object *source;
	166	struct acpi_object_integer *index;
	167	union acpi_operand_object *target;
1da177e4 LT	168
	169	} index;
	170
4be44fcd LB	171	struct {
	172	union acpi_operand_object *source;
	173	struct acpi_object_integer *index;
	174	struct acpi_object_integer *length;
	175	union acpi_operand_object *target;
1da177e4 LT	176
	177	} mid;
	178	};
	179
4119532c	180	/*
29a241cc	181	* Structure used to pass object evaluation information and parameters.
4119532c BM	182	* Purpose is to reduce CPU stack use.
	183	*/
	184	struct acpi_evaluate_info {
29a241cc BM	185	/* The first 3 elements are passed by the caller to acpi_ns_evaluate */
	186
	187	struct acpi_namespace_node prefix_node; / Input: starting node */
	188	char relative_pathname; / Input: path relative to prefix_node */
	189	union acpi_operand_object *parameters; / Input: argument list */
	190
	191	struct acpi_namespace_node node; / Resolved node (prefix_node:relative_pathname) */
	192	union acpi_operand_object obj_desc; / Object attached to the resolved node */
	193	char full_pathname; / Full pathname of the resolved node */
	194
	195	const union acpi_predefined_info predefined; / Used if Node is a predefined name */
	196	union acpi_operand_object return_object; / Object returned from the evaluation */
	197	union acpi_operand_object parent_package; / Used if return object is a Package */
	198
	199	u32 return_flags; /* Used for return value analysis */
	200	u32 return_btype; /* Bitmapped type of the returned object */
	201	u16 param_count; /* Count of the input argument list */
	202	u8 pass_number; /* Parser pass number */
	203	u8 return_object_type; /* Object type of the returned object */
	204	u8 node_flags; /* Same as Node->Flags */
	205	u8 flags; /* General flags */
1da177e4 LT	206	};
1da177e4 LT	207
4119532c BM	208	/* Values for Flags above */
4119532c BM	209
29a241cc BM	210	#define ACPI_IGNORE_RETURN_VALUE 1
	211
	212	/* Defines for return_flags field above */
	213
	214	#define ACPI_OBJECT_REPAIRED 1
	215	#define ACPI_OBJECT_WRAPPED 2
4119532c BM	216
	217	/* Info used by acpi_ns_initialize_devices */
	218
	219	struct acpi_device_walk_info {
4119532c BM	220	struct acpi_table_desc *table_desc;
4119532c BM	221	struct acpi_evaluate_info *evaluate_info;
5821f754 BM	222	u32 device_count;
	223	u32 num_STA;
	224	u32 num_INI;
4119532c BM	225	};
	226
	227	/* TBD: [Restructure] Merge with struct above */
	228
	229	struct acpi_walk_info {
	230	u32 debug_level;
	231	u32 count;
	232	acpi_owner_id owner_id;
	233	u8 display_type;
	234	};
	235
	236	/* Display Types */
	237
	238	#define ACPI_DISPLAY_SUMMARY (u8) 0
	239	#define ACPI_DISPLAY_OBJECTS (u8) 1
	240	#define ACPI_DISPLAY_MASK (u8) 1
	241
	242	#define ACPI_DISPLAY_SHORT (u8) 2
	243
1da177e4	244	#endif