1 /****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2023, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #ifndef _ACCONFIG_H 45 #define _ACCONFIG_H 46 47 48 /****************************************************************************** 49 * 50 * Configuration options 51 * 52 *****************************************************************************/ 53 54 /* 55 * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the 56 * ACPI subsystem. This includes the DEBUG_PRINT output 57 * statements. When disabled, all DEBUG_PRINT 58 * statements are compiled out. 59 * 60 * ACPI_APPLICATION - Use this switch if the subsystem is going to be run 61 * at the application level. 62 * 63 */ 64 65 /* 66 * OS name, used for the _OS object. The _OS object is essentially obsolete, 67 * but there is a large base of ASL/AML code in existing machines that check 68 * for the string below. The use of this string usually guarantees that 69 * the ASL will execute down the most tested code path. Also, there is some 70 * code that will not execute the _OSI method unless _OS matches the string 71 * below. Therefore, change this string at your own risk. 72 */ 73 #define ACPI_OS_NAME "Microsoft Windows NT" 74 75 /* Maximum objects in the various object caches */ 76 77 #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ 78 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ 79 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ 80 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ 81 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ 82 #define ACPI_MAX_COMMENT_CACHE_DEPTH 96 /* Comments for the -ca option */ 83 84 /* 85 * Should the subsystem abort the loading of an ACPI table if the 86 * table checksum is incorrect? 87 */ 88 #ifndef ACPI_CHECKSUM_ABORT 89 #define ACPI_CHECKSUM_ABORT FALSE 90 #endif 91 92 /* 93 * Generate a version of ACPICA that only supports "reduced hardware" 94 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized 95 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware" 96 * model. In other words, no ACPI hardware is supported. 97 * 98 * If TRUE, this means no support for the following: 99 * PM Event and Control registers 100 * SCI interrupt (and handler) 101 * Fixed Events 102 * General Purpose Events (GPEs) 103 * Global Lock 104 * ACPI PM timer 105 */ 106 #ifndef ACPI_REDUCED_HARDWARE 107 #define ACPI_REDUCED_HARDWARE FALSE 108 #endif 109 110 111 /****************************************************************************** 112 * 113 * Subsystem Constants 114 * 115 *****************************************************************************/ 116 117 /* Version of ACPI supported */ 118 119 #define ACPI_CA_SUPPORT_LEVEL 5 120 121 /* Maximum count for a semaphore object */ 122 123 #define ACPI_MAX_SEMAPHORE_COUNT 256 124 125 /* Maximum object reference count (detects object deletion issues) */ 126 127 #define ACPI_MAX_REFERENCE_COUNT 0x4000 128 129 /* Default page size for use in mapping memory for operation regions */ 130 131 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ 132 133 /* OwnerId tracking. 128 entries allows for 4095 OwnerIds */ 134 135 #define ACPI_NUM_OWNERID_MASKS 128 136 137 /* Size of the root table array is increased by this increment */ 138 139 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 140 141 /* Maximum sleep allowed via Sleep() operator */ 142 143 #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */ 144 145 /* Address Range lists are per-SpaceId (Memory and I/O only) */ 146 147 #define ACPI_ADDRESS_RANGE_MAX 2 148 149 /* Maximum time (default 30s) of While() loops before abort */ 150 151 #define ACPI_MAX_LOOP_TIMEOUT 30 152 153 154 /****************************************************************************** 155 * 156 * ACPI Specification constants (Do not change unless the specification changes) 157 * 158 *****************************************************************************/ 159 160 /* Method info (in WALK_STATE), containing local variables and arguments */ 161 162 #define ACPI_METHOD_NUM_LOCALS 8 163 #define ACPI_METHOD_MAX_LOCAL 7 164 165 #define ACPI_METHOD_NUM_ARGS 7 166 #define ACPI_METHOD_MAX_ARG 6 167 168 /* 169 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 170 */ 171 #define ACPI_OBJ_NUM_OPERANDS 8 172 #define ACPI_OBJ_MAX_OPERAND 7 173 174 /* Number of elements in the Result Stack frame, can be an arbitrary value */ 175 176 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 177 178 /* 179 * Maximal number of elements the Result Stack can contain, 180 * it may be an arbitrary value not exceeding the types of 181 * ResultSize and ResultCount (now UINT8). 182 */ 183 #define ACPI_RESULTS_OBJ_NUM_MAX 255 184 185 /* Constants used in searching for the RSDP in low memory */ 186 187 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 188 #define ACPI_EBDA_PTR_LENGTH 2 189 #define ACPI_EBDA_WINDOW_SIZE 1024 190 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 191 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 192 #define ACPI_RSDP_SCAN_STEP 16 193 194 /* Operation regions */ 195 196 #define ACPI_USER_REGION_BEGIN 0x80 197 198 /* Maximum SpaceIds for Operation Regions */ 199 200 #define ACPI_MAX_ADDRESS_SPACE 255 201 #define ACPI_NUM_DEFAULT_SPACES 4 202 203 /* Array sizes. Used for range checking also */ 204 205 #define ACPI_MAX_MATCH_OPCODE 5 206 207 /* RSDP checksums */ 208 209 #define ACPI_RSDP_CHECKSUM_LENGTH 20 210 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 211 212 /* 213 * SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header, 214 * containing both Status and Length. 215 */ 216 #define ACPI_SERIAL_HEADER_SIZE 2 /* Common for below. Status and Length fields */ 217 218 #define ACPI_SMBUS_DATA_SIZE 32 219 #define ACPI_SMBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE 220 221 #define ACPI_IPMI_DATA_SIZE 64 222 #define ACPI_IPMI_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE 223 224 #define ACPI_MAX_GSBUS_DATA_SIZE 255 225 #define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE 226 227 #define ACPI_PRM_INPUT_BUFFER_SIZE 26 228 229 #define ACPI_FFH_INPUT_BUFFER_SIZE 256 230 231 /* _SxD and _SxW control methods */ 232 233 #define ACPI_NUM_SxD_METHODS 4 234 #define ACPI_NUM_SxW_METHODS 5 235 236 237 /****************************************************************************** 238 * 239 * Miscellaneous constants 240 * 241 *****************************************************************************/ 242 243 /* UUID constants */ 244 245 #define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */ 246 #define UUID_STRING_LENGTH 36 /* Total length of a UUID string */ 247 248 /* Positions for required hyphens (dashes) in UUID strings */ 249 250 #define UUID_HYPHEN1_OFFSET 8 251 #define UUID_HYPHEN2_OFFSET 13 252 #define UUID_HYPHEN3_OFFSET 18 253 #define UUID_HYPHEN4_OFFSET 23 254 255 256 /****************************************************************************** 257 * 258 * ACPI AML Debugger 259 * 260 *****************************************************************************/ 261 262 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */ 263 #define ACPI_DB_LINE_BUFFER_SIZE 512 264 265 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 266 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 267 268 269 #endif /* _ACCONFIG_H */ 270