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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* Name: acconfig.h - Global configuration constants
*
* Copyright (C) 2000 - 2023, Intel Corp.
*
*****************************************************************************/
#ifndef _ACCONFIG_H
#define _ACCONFIG_H
/******************************************************************************
*
* Configuration options
*
*****************************************************************************/
/*
* ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the
* ACPI subsystem. This includes the DEBUG_PRINT output
* statements. When disabled, all DEBUG_PRINT
* statements are compiled out.
*
* ACPI_APPLICATION - Use this switch if the subsystem is going to be run
* at the application level.
*
*/
/*
* OS name, used for the _OS object. The _OS object is essentially obsolete,
* but there is a large base of ASL/AML code in existing machines that check
* for the string below. The use of this string usually guarantees that
* the ASL will execute down the most tested code path. Also, there is some
* code that will not execute the _OSI method unless _OS matches the string
* below. Therefore, change this string at your own risk.
*/
#define ACPI_OS_NAME "Microsoft Windows NT"
/* Maximum objects in the various object caches */
#define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
#define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
#define ACPI_MAX_COMMENT_CACHE_DEPTH 96 /* Comments for the -ca option */
/*
* Should the subsystem abort the loading of an ACPI table if the
* table checksum is incorrect?
*/
#ifndef ACPI_CHECKSUM_ABORT
#define ACPI_CHECKSUM_ABORT FALSE
#endif
/*
* Generate a version of ACPICA that only supports "reduced hardware"
* platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
* version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
* model. In other words, no ACPI hardware is supported.
*
* If TRUE, this means no support for the following:
* PM Event and Control registers
* SCI interrupt (and handler)
* Fixed Events
* General Purpose Events (GPEs)
* Global Lock
* ACPI PM timer
*/
#ifndef ACPI_REDUCED_HARDWARE
#define ACPI_REDUCED_HARDWARE FALSE
#endif
/******************************************************************************
*
* Subsystem Constants
*
*****************************************************************************/
/* Version of ACPI supported */
#define ACPI_CA_SUPPORT_LEVEL 5
/* Maximum count for a semaphore object */
#define ACPI_MAX_SEMAPHORE_COUNT 256
/* Maximum object reference count (detects object deletion issues) */
#define ACPI_MAX_REFERENCE_COUNT 0x4000
/* Default page size for use in mapping memory for operation regions */
#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
/* owner_id tracking. 128 entries allows for 4095 owner_ids */
#define ACPI_NUM_OWNERID_MASKS 128
/* Size of the root table array is increased by this increment */
#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
/* Maximum sleep allowed via Sleep() operator */
#define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */
/* Address Range lists are per-space_id (Memory and I/O only) */
#define ACPI_ADDRESS_RANGE_MAX 2
/* Maximum time (default 30s) of While() loops before abort */
#define ACPI_MAX_LOOP_TIMEOUT 30
/******************************************************************************
*
* ACPI Specification constants (Do not change unless the specification changes)
*
*****************************************************************************/
/* Method info (in WALK_STATE), containing local variables and arguments */
#define ACPI_METHOD_NUM_LOCALS 8
#define ACPI_METHOD_MAX_LOCAL 7
#define ACPI_METHOD_NUM_ARGS 7
#define ACPI_METHOD_MAX_ARG 6
/*
* Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
*/
#define ACPI_OBJ_NUM_OPERANDS 8
#define ACPI_OBJ_MAX_OPERAND 7
/* Number of elements in the Result Stack frame, can be an arbitrary value */
#define ACPI_RESULTS_FRAME_OBJ_NUM 8
/*
* Maximal number of elements the Result Stack can contain,
* it may be an arbitrary value not exceeding the types of
* result_size and result_count (now u8).
*/
#define ACPI_RESULTS_OBJ_NUM_MAX 255
/* Constants used in searching for the RSDP in low memory */
#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
#define ACPI_EBDA_PTR_LENGTH 2
#define ACPI_EBDA_WINDOW_SIZE 1024
#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
#define ACPI_RSDP_SCAN_STEP 16
/* Operation regions */
#define ACPI_USER_REGION_BEGIN 0x80
/* Maximum space_ids for Operation Regions */
#define ACPI_MAX_ADDRESS_SPACE 255
#define ACPI_NUM_DEFAULT_SPACES 4
/* Array sizes. Used for range checking also */
#define ACPI_MAX_MATCH_OPCODE 5
/* RSDP checksums */
#define ACPI_RSDP_CHECKSUM_LENGTH 20
#define ACPI_RSDP_XCHECKSUM_LENGTH 36
/*
* SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header,
* containing both Status and Length.
*/
#define ACPI_SERIAL_HEADER_SIZE 2 /* Common for below. Status and Length fields */
#define ACPI_SMBUS_DATA_SIZE 32
#define ACPI_SMBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE
#define ACPI_IPMI_DATA_SIZE 64
#define ACPI_IPMI_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE
#define ACPI_MAX_GSBUS_DATA_SIZE 255
#define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE
#define ACPI_PRM_INPUT_BUFFER_SIZE 26
#define ACPI_FFH_INPUT_BUFFER_SIZE 256
/* _sx_d and _sx_w control methods */
#define ACPI_NUM_sx_d_METHODS 4
#define ACPI_NUM_sx_w_METHODS 5
/******************************************************************************
*
* Miscellaneous constants
*
*****************************************************************************/
/* UUID constants */
#define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */
#define UUID_STRING_LENGTH 36 /* Total length of a UUID string */
/* Positions for required hyphens (dashes) in UUID strings */
#define UUID_HYPHEN1_OFFSET 8
#define UUID_HYPHEN2_OFFSET 13
#define UUID_HYPHEN3_OFFSET 18
#define UUID_HYPHEN4_OFFSET 23
/******************************************************************************
*
* ACPI AML Debugger
*
*****************************************************************************/
#define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
#define ACPI_DB_LINE_BUFFER_SIZE 512
#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
#endif /* _ACCONFIG_H */
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