/****************************************************************************** * * 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 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_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 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