1 /****************************************************************************** 2 * 3 * Name: actbl.h - Basic ACPI Table Definitions 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #ifndef __ACTBL_H__ 153 #define __ACTBL_H__ 154 155 156 /******************************************************************************* 157 * 158 * Fundamental ACPI tables 159 * 160 * This file contains definitions for the ACPI tables that are directly consumed 161 * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related 162 * device drivers and other OS support code. 163 * 164 * The RSDP and FACS do not use the common ACPI table header. All other ACPI 165 * tables use the header. 166 * 167 ******************************************************************************/ 168 169 170 /* 171 * Values for description table header signatures for tables defined in this 172 * file. Useful because they make it more difficult to inadvertently type in 173 * the wrong signature. 174 */ 175 #define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */ 176 #define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */ 177 #define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */ 178 #define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */ 179 #define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */ 180 #define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */ 181 #define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */ 182 #define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */ 183 #define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */ 184 #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */ 185 #define ACPI_OEM_NAME "OEM" /* Short name for OEM, not signature */ 186 187 188 /* 189 * All tables and structures must be byte-packed to match the ACPI 190 * specification, since the tables are provided by the system BIOS 191 */ 192 #pragma pack(1) 193 194 /* 195 * Note: C bitfields are not used for this reason: 196 * 197 * "Bitfields are great and easy to read, but unfortunately the C language 198 * does not specify the layout of bitfields in memory, which means they are 199 * essentially useless for dealing with packed data in on-disk formats or 200 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, 201 * this decision was a design error in C. Ritchie could have picked an order 202 * and stuck with it." Norman Ramsey. 203 * See http://stackoverflow.com/a/1053662/41661 204 */ 205 206 207 /******************************************************************************* 208 * 209 * Master ACPI Table Header. This common header is used by all ACPI tables 210 * except the RSDP and FACS. 211 * 212 ******************************************************************************/ 213 214 typedef struct acpi_table_header 215 { 216 char Signature[ACPI_NAMESEG_SIZE] ACPI_NONSTRING; /* ASCII table signature */ 217 UINT32 Length; /* Length of table in bytes, including this header */ 218 UINT8 Revision; /* ACPI Specification minor version number */ 219 UINT8 Checksum; /* To make sum of entire table == 0 */ 220 char OemId[ACPI_OEM_ID_SIZE] ACPI_NONSTRING; /* ASCII OEM identification */ 221 char OemTableId[ACPI_OEM_TABLE_ID_SIZE] ACPI_NONSTRING; /* ASCII OEM table identification */ 222 UINT32 OemRevision; /* OEM revision number */ 223 char AslCompilerId[ACPI_NAMESEG_SIZE] ACPI_NONSTRING; /* ASCII ASL compiler vendor ID */ 224 UINT32 AslCompilerRevision; /* ASL compiler version */ 225 226 } ACPI_TABLE_HEADER; 227 228 229 /******************************************************************************* 230 * 231 * GAS - Generic Address Structure (ACPI 2.0+) 232 * 233 * Note: Since this structure is used in the ACPI tables, it is byte aligned. 234 * If misaligned access is not supported by the hardware, accesses to the 235 * 64-bit Address field must be performed with care. 236 * 237 ******************************************************************************/ 238 239 typedef struct acpi_generic_address 240 { 241 UINT8 SpaceId; /* Address space where struct or register exists */ 242 UINT8 BitWidth; /* Size in bits of given register */ 243 UINT8 BitOffset; /* Bit offset within the register */ 244 UINT8 AccessWidth; /* Minimum Access size (ACPI 3.0) */ 245 UINT64 Address; /* 64-bit address of struct or register */ 246 247 } ACPI_GENERIC_ADDRESS; 248 249 250 /******************************************************************************* 251 * 252 * RSDP - Root System Description Pointer (Signature is "RSD PTR ") 253 * Version 2 254 * 255 ******************************************************************************/ 256 257 typedef struct acpi_table_rsdp 258 { 259 char Signature[8]; /* ACPI signature, contains "RSD PTR " */ 260 UINT8 Checksum; /* ACPI 1.0 checksum */ 261 char OemId[ACPI_OEM_ID_SIZE]; /* OEM identification */ 262 UINT8 Revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */ 263 UINT32 RsdtPhysicalAddress; /* 32-bit physical address of the RSDT */ 264 UINT32 Length; /* Table length in bytes, including header (ACPI 2.0+) */ 265 UINT64 XsdtPhysicalAddress; /* 64-bit physical address of the XSDT (ACPI 2.0+) */ 266 UINT8 ExtendedChecksum; /* Checksum of entire table (ACPI 2.0+) */ 267 UINT8 Reserved[3]; /* Reserved, must be zero */ 268 269 } ACPI_TABLE_RSDP; 270 271 /* Standalone struct for the ACPI 1.0 RSDP */ 272 273 typedef struct acpi_rsdp_common 274 { 275 char Signature[8]; 276 UINT8 Checksum; 277 char OemId[ACPI_OEM_ID_SIZE]; 278 UINT8 Revision; 279 UINT32 RsdtPhysicalAddress; 280 281 } ACPI_RSDP_COMMON; 282 283 /* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */ 284 285 typedef struct acpi_rsdp_extension 286 { 287 UINT32 Length; 288 UINT64 XsdtPhysicalAddress; 289 UINT8 ExtendedChecksum; 290 UINT8 Reserved[3]; 291 292 } ACPI_RSDP_EXTENSION; 293 294 295 /******************************************************************************* 296 * 297 * RSDT/XSDT - Root System Description Tables 298 * Version 1 (both) 299 * 300 ******************************************************************************/ 301 302 typedef struct acpi_table_rsdt 303 { 304 ACPI_TABLE_HEADER Header; /* Common ACPI table header */ 305 UINT32 TableOffsetEntry[1]; /* Array of pointers to ACPI tables */ 306 307 } ACPI_TABLE_RSDT; 308 309 typedef struct acpi_table_xsdt 310 { 311 ACPI_TABLE_HEADER Header; /* Common ACPI table header */ 312 UINT64 TableOffsetEntry[1]; /* Array of pointers to ACPI tables */ 313 314 } ACPI_TABLE_XSDT; 315 316 #define ACPI_RSDT_ENTRY_SIZE (sizeof (UINT32)) 317 #define ACPI_XSDT_ENTRY_SIZE (sizeof (UINT64)) 318 319 320 /******************************************************************************* 321 * 322 * FACS - Firmware ACPI Control Structure (FACS) 323 * 324 ******************************************************************************/ 325 326 typedef struct acpi_table_facs 327 { 328 char Signature[4]; /* ASCII table signature */ 329 UINT32 Length; /* Length of structure, in bytes */ 330 UINT32 HardwareSignature; /* Hardware configuration signature */ 331 UINT32 FirmwareWakingVector; /* 32-bit physical address of the Firmware Waking Vector */ 332 UINT32 GlobalLock; /* Global Lock for shared hardware resources */ 333 UINT32 Flags; 334 UINT64 XFirmwareWakingVector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */ 335 UINT8 Version; /* Version of this table (ACPI 2.0+) */ 336 UINT8 Reserved[3]; /* Reserved, must be zero */ 337 UINT32 OspmFlags; /* Flags to be set by OSPM (ACPI 4.0) */ 338 UINT8 Reserved1[24]; /* Reserved, must be zero */ 339 340 } ACPI_TABLE_FACS; 341 342 /* Masks for GlobalLock flag field above */ 343 344 #define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */ 345 #define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */ 346 347 /* Masks for Flags field above */ 348 349 #define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */ 350 #define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */ 351 352 /* Masks for OspmFlags field above */ 353 354 #define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */ 355 356 357 /******************************************************************************* 358 * 359 * FADT - Fixed ACPI Description Table (Signature "FACP") 360 * Version 6 361 * 362 ******************************************************************************/ 363 364 /* Fields common to all versions of the FADT */ 365 366 typedef struct acpi_table_fadt 367 { 368 ACPI_TABLE_HEADER Header; /* Common ACPI table header */ 369 UINT32 Facs; /* 32-bit physical address of FACS */ 370 UINT32 Dsdt; /* 32-bit physical address of DSDT */ 371 UINT8 Model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */ 372 UINT8 PreferredProfile; /* Conveys preferred power management profile to OSPM. */ 373 UINT16 SciInterrupt; /* System vector of SCI interrupt */ 374 UINT32 SmiCommand; /* 32-bit Port address of SMI command port */ 375 UINT8 AcpiEnable; /* Value to write to SMI_CMD to enable ACPI */ 376 UINT8 AcpiDisable; /* Value to write to SMI_CMD to disable ACPI */ 377 UINT8 S4BiosRequest; /* Value to write to SMI_CMD to enter S4BIOS state */ 378 UINT8 PstateControl; /* Processor performance state control*/ 379 UINT32 Pm1aEventBlock; /* 32-bit port address of Power Mgt 1a Event Reg Blk */ 380 UINT32 Pm1bEventBlock; /* 32-bit port address of Power Mgt 1b Event Reg Blk */ 381 UINT32 Pm1aControlBlock; /* 32-bit port address of Power Mgt 1a Control Reg Blk */ 382 UINT32 Pm1bControlBlock; /* 32-bit port address of Power Mgt 1b Control Reg Blk */ 383 UINT32 Pm2ControlBlock; /* 32-bit port address of Power Mgt 2 Control Reg Blk */ 384 UINT32 PmTimerBlock; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */ 385 UINT32 Gpe0Block; /* 32-bit port address of General Purpose Event 0 Reg Blk */ 386 UINT32 Gpe1Block; /* 32-bit port address of General Purpose Event 1 Reg Blk */ 387 UINT8 Pm1EventLength; /* Byte Length of ports at Pm1xEventBlock */ 388 UINT8 Pm1ControlLength; /* Byte Length of ports at Pm1xControlBlock */ 389 UINT8 Pm2ControlLength; /* Byte Length of ports at Pm2ControlBlock */ 390 UINT8 PmTimerLength; /* Byte Length of ports at PmTimerBlock */ 391 UINT8 Gpe0BlockLength; /* Byte Length of ports at Gpe0Block */ 392 UINT8 Gpe1BlockLength; /* Byte Length of ports at Gpe1Block */ 393 UINT8 Gpe1Base; /* Offset in GPE number space where GPE1 events start */ 394 UINT8 CstControl; /* Support for the _CST object and C-States change notification */ 395 UINT16 C2Latency; /* Worst case HW latency to enter/exit C2 state */ 396 UINT16 C3Latency; /* Worst case HW latency to enter/exit C3 state */ 397 UINT16 FlushSize; /* Processor memory cache line width, in bytes */ 398 UINT16 FlushStride; /* Number of flush strides that need to be read */ 399 UINT8 DutyOffset; /* Processor duty cycle index in processor P_CNT reg */ 400 UINT8 DutyWidth; /* Processor duty cycle value bit width in P_CNT register */ 401 UINT8 DayAlarm; /* Index to day-of-month alarm in RTC CMOS RAM */ 402 UINT8 MonthAlarm; /* Index to month-of-year alarm in RTC CMOS RAM */ 403 UINT8 Century; /* Index to century in RTC CMOS RAM */ 404 UINT16 BootFlags; /* IA-PC Boot Architecture Flags (see below for individual flags) */ 405 UINT8 Reserved; /* Reserved, must be zero */ 406 UINT32 Flags; /* Miscellaneous flag bits (see below for individual flags) */ 407 ACPI_GENERIC_ADDRESS ResetRegister; /* 64-bit address of the Reset register */ 408 UINT8 ResetValue; /* Value to write to the ResetRegister port to reset the system */ 409 UINT16 ArmBootFlags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */ 410 UINT8 MinorRevision; /* FADT Minor Revision (ACPI 5.1) */ 411 UINT64 XFacs; /* 64-bit physical address of FACS */ 412 UINT64 XDsdt; /* 64-bit physical address of DSDT */ 413 ACPI_GENERIC_ADDRESS XPm1aEventBlock; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */ 414 ACPI_GENERIC_ADDRESS XPm1bEventBlock; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */ 415 ACPI_GENERIC_ADDRESS XPm1aControlBlock; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */ 416 ACPI_GENERIC_ADDRESS XPm1bControlBlock; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */ 417 ACPI_GENERIC_ADDRESS XPm2ControlBlock; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */ 418 ACPI_GENERIC_ADDRESS XPmTimerBlock; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */ 419 ACPI_GENERIC_ADDRESS XGpe0Block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */ 420 ACPI_GENERIC_ADDRESS XGpe1Block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */ 421 ACPI_GENERIC_ADDRESS SleepControl; /* 64-bit Sleep Control register (ACPI 5.0) */ 422 ACPI_GENERIC_ADDRESS SleepStatus; /* 64-bit Sleep Status register (ACPI 5.0) */ 423 UINT64 HypervisorId; /* Hypervisor Vendor ID (ACPI 6.0) */ 424 425 } ACPI_TABLE_FADT; 426 427 428 /* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */ 429 430 #define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */ 431 #define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */ 432 #define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */ 433 #define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */ 434 #define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */ 435 #define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */ 436 437 /* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */ 438 439 #define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */ 440 #define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */ 441 442 /* Masks for FADT flags */ 443 444 #define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */ 445 #define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */ 446 #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */ 447 #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */ 448 #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */ 449 #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */ 450 #define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */ 451 #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */ 452 #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */ 453 #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */ 454 #define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */ 455 #define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */ 456 #define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */ 457 #define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */ 458 #define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ 459 #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */ 460 #define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ 461 #define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */ 462 #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */ 463 #define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */ 464 #define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */ 465 #define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */ 466 467 468 /* Values for PreferredProfile (Preferred Power Management Profiles) */ 469 470 enum AcpiPreferredPmProfiles 471 { 472 PM_UNSPECIFIED = 0, 473 PM_DESKTOP = 1, 474 PM_MOBILE = 2, 475 PM_WORKSTATION = 3, 476 PM_ENTERPRISE_SERVER = 4, 477 PM_SOHO_SERVER = 5, 478 PM_APPLIANCE_PC = 6, 479 PM_PERFORMANCE_SERVER = 7, 480 PM_TABLET = 8 481 }; 482 483 /* Values for SleepStatus and SleepControl registers (V5+ FADT) */ 484 485 #define ACPI_X_WAKE_STATUS 0x80 486 #define ACPI_X_SLEEP_TYPE_MASK 0x1C 487 #define ACPI_X_SLEEP_TYPE_POSITION 0x02 488 #define ACPI_X_SLEEP_ENABLE 0x20 489 490 491 /* Reset to default packing */ 492 493 #pragma pack() 494 495 496 /* 497 * Internal table-related structures 498 */ 499 typedef union acpi_name_union 500 { 501 UINT32 Integer; 502 char Ascii[4]; 503 504 } ACPI_NAME_UNION; 505 506 507 /* Internal ACPI Table Descriptor. One per ACPI table. */ 508 509 typedef struct acpi_table_desc 510 { 511 ACPI_PHYSICAL_ADDRESS Address; 512 ACPI_TABLE_HEADER *Pointer; 513 UINT32 Length; /* Length fixed at 32 bits (fixed in table header) */ 514 ACPI_NAME_UNION Signature; 515 ACPI_OWNER_ID OwnerId; 516 UINT8 Flags; 517 UINT16 ValidationCount; 518 519 } ACPI_TABLE_DESC; 520 521 /* 522 * Maximum value of the ValidationCount field in ACPI_TABLE_DESC. 523 * When reached, ValidationCount cannot be changed any more and the table will 524 * be permanently regarded as validated. 525 * 526 * This is to prevent situations in which unbalanced table get/put operations 527 * may cause premature table unmapping in the OS to happen. 528 * 529 * The maximum validation count can be defined to any value, but should be 530 * greater than the maximum number of OS early stage mapping slots to avoid 531 * leaking early stage table mappings to the late stage. 532 */ 533 #define ACPI_MAX_TABLE_VALIDATIONS ACPI_UINT16_MAX 534 535 /* Masks for Flags field above */ 536 537 #define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */ 538 #define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */ 539 #define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */ 540 #define ACPI_TABLE_ORIGIN_MASK (3) 541 #define ACPI_TABLE_IS_VERIFIED (4) 542 #define ACPI_TABLE_IS_LOADED (8) 543 544 545 /* 546 * Get the remaining ACPI tables 547 */ 548 #include "actbl1.h" 549 #include "actbl2.h" 550 #include "actbl3.h" 551 552 /* Macros used to generate offsets to specific table fields */ 553 554 #define ACPI_FADT_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_TABLE_FADT, f) 555 556 /* 557 * Sizes of the various flavors of FADT. We need to look closely 558 * at the FADT length because the version number essentially tells 559 * us nothing because of many BIOS bugs where the version does not 560 * match the expected length. In other words, the length of the 561 * FADT is the bottom line as to what the version really is. 562 * 563 * For reference, the values below are as follows: 564 * FADT V1 size: 0x074 565 * FADT V2 size: 0x084 566 * FADT V3 size: 0x0F4 567 * FADT V4 size: 0x0F4 568 * FADT V5 size: 0x10C 569 * FADT V6 size: 0x114 570 */ 571 #define ACPI_FADT_V1_SIZE (UINT32) (ACPI_FADT_OFFSET (Flags) + 4) 572 #define ACPI_FADT_V2_SIZE (UINT32) (ACPI_FADT_OFFSET (MinorRevision) + 1) 573 #define ACPI_FADT_V3_SIZE (UINT32) (ACPI_FADT_OFFSET (SleepControl)) 574 #define ACPI_FADT_V5_SIZE (UINT32) (ACPI_FADT_OFFSET (HypervisorId)) 575 #define ACPI_FADT_V6_SIZE (UINT32) (sizeof (ACPI_TABLE_FADT)) 576 577 #define ACPI_FADT_CONFORMANCE "ACPI 6.1 (FADT version 6)" 578 579 #endif /* __ACTBL_H__ */ 580
Indexes created Sat Sep 20 22:09:52 GMT 2025