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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 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
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