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222 lines
7.1 KiB
222 lines
7.1 KiB
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ |
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/****************************************************************************** |
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* |
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* Name: acstruct.h - Internal structs |
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* |
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* Copyright (C) 2000 - 2021, Intel Corp. |
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* |
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*****************************************************************************/ |
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#ifndef __ACSTRUCT_H__ |
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#define __ACSTRUCT_H__ |
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/* acpisrc:struct_defs -- for acpisrc conversion */ |
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/***************************************************************************** |
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* |
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* Tree walking typedefs and structs |
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* |
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****************************************************************************/ |
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/* |
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* Walk state - current state of a parse tree walk. Used for both a leisurely |
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* stroll through the tree (for whatever reason), and for control method |
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* execution. |
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*/ |
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#define ACPI_NEXT_OP_DOWNWARD 1 |
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#define ACPI_NEXT_OP_UPWARD 2 |
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/* |
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* Groups of definitions for walk_type used for different implementations of |
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* walkers (never simultaneously) - flags for interpreter: |
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*/ |
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#define ACPI_WALK_NON_METHOD 0 |
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#define ACPI_WALK_METHOD 0x01 |
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#define ACPI_WALK_METHOD_RESTART 0x02 |
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struct acpi_walk_state { |
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struct acpi_walk_state *next; /* Next walk_state in list */ |
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u8 descriptor_type; /* To differentiate various internal objs */ |
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u8 walk_type; |
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u16 opcode; /* Current AML opcode */ |
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u8 next_op_info; /* Info about next_op */ |
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u8 num_operands; /* Stack pointer for Operands[] array */ |
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u8 operand_index; /* Index into operand stack, to be used by acpi_ds_obj_stack_push */ |
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acpi_owner_id owner_id; /* Owner of objects created during the walk */ |
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u8 last_predicate; /* Result of last predicate */ |
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u8 current_result; |
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u8 return_used; |
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u8 scope_depth; |
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u8 pass_number; /* Parse pass during table load */ |
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u8 namespace_override; /* Override existing objects */ |
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u8 result_size; /* Total elements for the result stack */ |
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u8 result_count; /* Current number of occupied elements of result stack */ |
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u8 *aml; |
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u32 arg_types; |
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u32 method_breakpoint; /* For single stepping */ |
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u32 user_breakpoint; /* User AML breakpoint */ |
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u32 parse_flags; |
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struct acpi_parse_state parser_state; /* Current state of parser */ |
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u32 prev_arg_types; |
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u32 arg_count; /* push for fixed or var args */ |
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u16 method_nesting_depth; |
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u8 method_is_nested; |
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struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */ |
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struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ |
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union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */ |
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union acpi_operand_object **params; |
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u8 *aml_last_while; |
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union acpi_operand_object **caller_return_desc; |
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union acpi_generic_state *control_state; /* List of control states (nested IFs) */ |
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struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */ |
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union acpi_operand_object *implicit_return_obj; |
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struct acpi_namespace_node *method_call_node; /* Called method Node */ |
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union acpi_parse_object *method_call_op; /* method_call Op if running a method */ |
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union acpi_operand_object *method_desc; /* Method descriptor if running a method */ |
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struct acpi_namespace_node *method_node; /* Method node if running a method */ |
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char *method_pathname; /* Full pathname of running method */ |
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union acpi_parse_object *op; /* Current parser op */ |
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const struct acpi_opcode_info *op_info; /* Info on current opcode */ |
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union acpi_parse_object *origin; /* Start of walk [Obsolete] */ |
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union acpi_operand_object *result_obj; |
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union acpi_generic_state *results; /* Stack of accumulated results */ |
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union acpi_operand_object *return_desc; /* Return object, if any */ |
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union acpi_generic_state *scope_info; /* Stack of nested scopes */ |
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union acpi_parse_object *prev_op; /* Last op that was processed */ |
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union acpi_parse_object *next_op; /* next op to be processed */ |
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struct acpi_thread_state *thread; |
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acpi_parse_downwards descending_callback; |
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acpi_parse_upwards ascending_callback; |
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}; |
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/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */ |
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struct acpi_init_walk_info { |
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u32 table_index; |
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u32 object_count; |
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u32 method_count; |
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u32 serial_method_count; |
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u32 non_serial_method_count; |
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u32 serialized_method_count; |
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u32 device_count; |
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u32 op_region_count; |
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u32 field_count; |
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u32 buffer_count; |
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u32 package_count; |
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u32 op_region_init; |
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u32 field_init; |
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u32 buffer_init; |
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u32 package_init; |
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acpi_owner_id owner_id; |
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}; |
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struct acpi_get_devices_info { |
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acpi_walk_callback user_function; |
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void *context; |
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const char *hid; |
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}; |
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union acpi_aml_operands { |
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union acpi_operand_object *operands[7]; |
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struct { |
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struct acpi_object_integer *type; |
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struct acpi_object_integer *code; |
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struct acpi_object_integer *argument; |
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} fatal; |
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struct { |
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union acpi_operand_object *source; |
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struct acpi_object_integer *index; |
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union acpi_operand_object *target; |
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} index; |
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struct { |
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union acpi_operand_object *source; |
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struct acpi_object_integer *index; |
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struct acpi_object_integer *length; |
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union acpi_operand_object *target; |
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} mid; |
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}; |
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/* |
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* Structure used to pass object evaluation information and parameters. |
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* Purpose is to reduce CPU stack use. |
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*/ |
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struct acpi_evaluate_info { |
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/* The first 3 elements are passed by the caller to acpi_ns_evaluate */ |
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struct acpi_namespace_node *prefix_node; /* Input: starting node */ |
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const char *relative_pathname; /* Input: path relative to prefix_node */ |
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union acpi_operand_object **parameters; /* Input: argument list */ |
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struct acpi_namespace_node *node; /* Resolved node (prefix_node:relative_pathname) */ |
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union acpi_operand_object *obj_desc; /* Object attached to the resolved node */ |
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char *full_pathname; /* Full pathname of the resolved node */ |
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const union acpi_predefined_info *predefined; /* Used if Node is a predefined name */ |
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union acpi_operand_object *return_object; /* Object returned from the evaluation */ |
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union acpi_operand_object *parent_package; /* Used if return object is a Package */ |
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u32 return_flags; /* Used for return value analysis */ |
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u32 return_btype; /* Bitmapped type of the returned object */ |
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u16 param_count; /* Count of the input argument list */ |
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u16 node_flags; /* Same as Node->Flags */ |
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u8 pass_number; /* Parser pass number */ |
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u8 return_object_type; /* Object type of the returned object */ |
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u8 flags; /* General flags */ |
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}; |
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/* Values for Flags above */ |
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#define ACPI_IGNORE_RETURN_VALUE 1 |
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/* Defines for return_flags field above */ |
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#define ACPI_OBJECT_REPAIRED 1 |
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#define ACPI_OBJECT_WRAPPED 2 |
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/* Info used by acpi_ns_initialize_devices */ |
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struct acpi_device_walk_info { |
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struct acpi_table_desc *table_desc; |
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struct acpi_evaluate_info *evaluate_info; |
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u32 device_count; |
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u32 num_STA; |
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u32 num_INI; |
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}; |
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/* Info used by Acpi acpi_db_display_fields */ |
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struct acpi_region_walk_info { |
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u32 debug_level; |
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u32 count; |
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acpi_owner_id owner_id; |
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u8 display_type; |
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u32 address_space_id; |
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}; |
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/* TBD: [Restructure] Merge with struct above */ |
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struct acpi_walk_info { |
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u32 debug_level; |
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u32 count; |
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acpi_owner_id owner_id; |
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u8 display_type; |
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}; |
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/* Display Types */ |
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#define ACPI_DISPLAY_SUMMARY (u8) 0 |
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#define ACPI_DISPLAY_OBJECTS (u8) 1 |
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#define ACPI_DISPLAY_MASK (u8) 1 |
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#define ACPI_DISPLAY_SHORT (u8) 2 |
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#endif
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