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/******************************************************************************
*
* Name: acstruct.h - Internal structs
*
*****************************************************************************/
/*
* 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 __ACSTRUCT_H__
#define __ACSTRUCT_H__
/*****************************************************************************
*
* 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
#define ACPI_WALK_NON_METHOD 0
#define ACPI_WALK_METHOD 1
#define ACPI_WALK_METHOD_RESTART 2
#define ACPI_WALK_CONST_REQUIRED 3
#define ACPI_WALK_CONST_OPTIONAL 4
struct acpi_walk_state
{
u8 data_type; /* To differentiate various internal objs MUST BE FIRST!*/\
u8 walk_type;
acpi_owner_id owner_id; /* Owner of objects created during the walk */
u8 last_predicate; /* Result of last predicate */
u8 reserved; /* For alignment */
u8 current_result; /* */
u8 next_op_info; /* Info about next_op */
u8 num_operands; /* Stack pointer for Operands[] array */
u8 return_used;
u16 opcode; /* Current AML opcode */
u8 scope_depth;
u8 pass_number; /* Parse pass during table load */
u32 arg_count; /* push for fixed or var args */
u32 aml_offset;
u32 arg_types;
u32 method_breakpoint; /* For single stepping */
u32 user_breakpoint; /* User AML breakpoint */
u32 parse_flags;
u32 prev_arg_types;
u8 *aml_last_while;
struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
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 */
struct acpi_gpe_event_info *gpe_event_info; /* Info for GPE (_Lxx/_Exx methods only */
union acpi_operand_object *implicit_return_obj;
struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
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 */
union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS+1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
const struct acpi_opcode_info *op_info; /* Info on current opcode */
union acpi_parse_object *origin; /* Start of walk [Obsolete] */
union acpi_operand_object **params;
struct acpi_parse_state parser_state; /* Current state of parser */
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 */
acpi_parse_downwards descending_callback;
acpi_parse_upwards ascending_callback;
struct acpi_thread_state *thread;
struct acpi_walk_state *next; /* Next walk_state in list */
};
/* Info used by acpi_ps_init_objects */
struct acpi_init_walk_info
{
u16 method_count;
u16 device_count;
u16 op_region_count;
u16 field_count;
u16 buffer_count;
u16 package_count;
u16 op_region_init;
u16 field_init;
u16 buffer_init;
u16 package_init;
u16 object_count;
struct acpi_table_desc *table_desc;
};
/* Info used by acpi_ns_initialize_devices */
struct acpi_device_walk_info
{
u16 device_count;
u16 num_STA;
u16 num_INI;
struct acpi_table_desc *table_desc;
};
/* TBD: [Restructure] Merge with struct above */
struct acpi_walk_info
{
u32 debug_level;
u32 owner_id;
u8 display_type;
};
/* Display Types */
#define ACPI_DISPLAY_SUMMARY 0
#define ACPI_DISPLAY_OBJECTS 1
#define ACPI_DISPLAY_MASK 1
#define ACPI_DISPLAY_SHORT 2
struct acpi_get_devices_info
{
acpi_walk_callback user_function;
void *context;
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;
};
/* Internal method parameter list */
struct acpi_parameter_info
{
struct acpi_namespace_node *node;
union acpi_operand_object **parameters;
union acpi_operand_object *return_object;
u8 parameter_type;
u8 return_object_type;
};
/* Types for parameter_type above */
#define ACPI_PARAM_ARGS 0
#define ACPI_PARAM_GPE 1
#endif
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