| /****************************************************************************** |
| * |
| * Name: acstruct.h - Internal structs |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2004, 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!*/\ |
| acpi_owner_id owner_id; /* Owner of objects created during the walk */ |
| u8 last_predicate; /* Result of last predicate */ |
| u8 current_result; /* */ |
| u8 next_op_info; /* Info about next_op */ |
| u8 num_operands; /* Stack pointer for Operands[] array */ |
| u8 return_used; |
| u8 walk_type; |
| u16 opcode; /* Current AML opcode */ |
| u8 scope_depth; |
| u8 reserved1; |
| 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_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 |
| |
| 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; |
| }; |
| |
| |
| #endif |
