210 lines
6.8 KiB
C
210 lines
6.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
|
|
/******************************************************************************
|
|
*
|
|
* Name: acstruct.h - Internal structs
|
|
*
|
|
* Copyright (C) 2000 - 2018, Intel Corp.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#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
|
|
|
|
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 namespace_override; /* Override existing objects */
|
|
u8 result_size; /* Total elements for the result stack */
|
|
u8 result_count; /* Current number of occupied elements of result stack */
|
|
u8 *aml;
|
|
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 serial_method_count;
|
|
u32 non_serial_method_count;
|
|
u32 serialized_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 */
|
|
const 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
|