/* 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 * FACS table (Waking vectors and Global Lock) */ #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 */