1 /****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2021, 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 * FACS table (Waking vectors and Global Lock) 106 */ 107 #ifndef ACPI_REDUCED_HARDWARE 108 #define ACPI_REDUCED_HARDWARE FALSE 109 #endif 110 111 112 /****************************************************************************** 113 * 114 * Subsystem Constants 115 * 116 *****************************************************************************/ 117 118 /* Version of ACPI supported */ 119 120 #define ACPI_CA_SUPPORT_LEVEL 5 121 122 /* Maximum count for a semaphore object */ 123 124 #define ACPI_MAX_SEMAPHORE_COUNT 256 125 126 /* Maximum object reference count (detects object deletion issues) */ 127 128 #define ACPI_MAX_REFERENCE_COUNT 0x4000 129 130 /* Default page size for use in mapping memory for operation regions */ 131 132 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ 133 134 /* OwnerId tracking. 128 entries allows for 4095 OwnerIds */ 135 136 #define ACPI_NUM_OWNERID_MASKS 128 137 138 /* Size of the root table array is increased by this increment */ 139 140 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 141 142 /* Maximum sleep allowed via Sleep() operator */ 143 144 #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */ 145 146 /* Address Range lists are per-SpaceId (Memory and I/O only) */ 147 148 #define ACPI_ADDRESS_RANGE_MAX 2 149 150 /* Maximum time (default 30s) of While() loops before abort */ 151 152 #define ACPI_MAX_LOOP_TIMEOUT 30 153 154 155 /****************************************************************************** 156 * 157 * ACPI Specification constants (Do not change unless the specification changes) 158 * 159 *****************************************************************************/ 160 161 /* Method info (in WALK_STATE), containing local variables and arguments */ 162 163 #define ACPI_METHOD_NUM_LOCALS 8 164 #define ACPI_METHOD_MAX_LOCAL 7 165 166 #define ACPI_METHOD_NUM_ARGS 7 167 #define ACPI_METHOD_MAX_ARG 6 168 169 /* 170 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 171 */ 172 #define ACPI_OBJ_NUM_OPERANDS 8 173 #define ACPI_OBJ_MAX_OPERAND 7 174 175 /* Number of elements in the Result Stack frame, can be an arbitrary value */ 176 177 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 178 179 /* 180 * Maximal number of elements the Result Stack can contain, 181 * it may be an arbitrary value not exceeding the types of 182 * ResultSize and ResultCount (now UINT8). 183 */ 184 #define ACPI_RESULTS_OBJ_NUM_MAX 255 185 186 /* Constants used in searching for the RSDP in low memory */ 187 188 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 189 #define ACPI_EBDA_PTR_LENGTH 2 190 #define ACPI_EBDA_WINDOW_SIZE 1024 191 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 192 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 193 #define ACPI_RSDP_SCAN_STEP 16 194 195 /* Operation regions */ 196 197 #define ACPI_USER_REGION_BEGIN 0x80 198 199 /* Maximum SpaceIds for Operation Regions */ 200 201 #define ACPI_MAX_ADDRESS_SPACE 255 202 #define ACPI_NUM_DEFAULT_SPACES 4 203 204 /* Array sizes. Used for range checking also */ 205 206 #define ACPI_MAX_MATCH_OPCODE 5 207 208 /* RSDP checksums */ 209 210 #define ACPI_RSDP_CHECKSUM_LENGTH 20 211 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 212 213 /* 214 * SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header, 215 * containing both Status and Length. 216 */ 217 #define ACPI_SERIAL_HEADER_SIZE 2 /* Common for below. Status and Length fields */ 218 219 #define ACPI_SMBUS_DATA_SIZE 32 220 #define ACPI_SMBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE 221 222 #define ACPI_IPMI_DATA_SIZE 64 223 #define ACPI_IPMI_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE 224 225 #define ACPI_MAX_GSBUS_DATA_SIZE 255 226 #define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE 227 228 #define ACPI_PRM_INPUT_BUFFER_SIZE 26 229 230 /* _SxD and _SxW control methods */ 231 232 #define ACPI_NUM_SxD_METHODS 4 233 #define ACPI_NUM_SxW_METHODS 5 234 235 236 /****************************************************************************** 237 * 238 * Miscellaneous constants 239 * 240 *****************************************************************************/ 241 242 /* UUID constants */ 243 244 #define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */ 245 #define UUID_STRING_LENGTH 36 /* Total length of a UUID string */ 246 247 /* Positions for required hyphens (dashes) in UUID strings */ 248 249 #define UUID_HYPHEN1_OFFSET 8 250 #define UUID_HYPHEN2_OFFSET 13 251 #define UUID_HYPHEN3_OFFSET 18 252 #define UUID_HYPHEN4_OFFSET 23 253 254 255 /****************************************************************************** 256 * 257 * ACPI AML Debugger 258 * 259 *****************************************************************************/ 260 261 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */ 262 #define ACPI_DB_LINE_BUFFER_SIZE 512 263 264 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 265 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 266 267 268 #endif /* _ACCONFIG_H */ 269