1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2/****************************************************************************** 3 * 4 * Name: actbl3.h - ACPI Table Definitions 5 * 6 * Copyright (C) 2000 - 2023, Intel Corp. 7 * 8 *****************************************************************************/ 9 10#ifndef __ACTBL3_H__ 11#define __ACTBL3_H__ 12 13/******************************************************************************* 14 * 15 * Additional ACPI Tables 16 * 17 * These tables are not consumed directly by the ACPICA subsystem, but are 18 * included here to support device drivers and the AML disassembler. 19 * 20 ******************************************************************************/ 21 22/* 23 * Values for description table header signatures for tables defined in this 24 * file. Useful because they make it more difficult to inadvertently type in 25 * the wrong signature. 26 */ 27#define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */ 28#define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */ 29#define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */ 30#define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */ 31#define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */ 32#define ACPI_SIG_STAO "STAO" /* Status Override table */ 33#define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */ 34#define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */ 35#define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */ 36#define ACPI_SIG_VIOT "VIOT" /* Virtual I/O Translation Table */ 37#define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */ 38#define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */ 39#define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */ 40#define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */ 41#define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */ 42#define ACPI_SIG_WSMT "WSMT" /* Windows SMM Security Mitigations Table */ 43#define ACPI_SIG_XENV "XENV" /* Xen Environment table */ 44#define ACPI_SIG_XXXX "XXXX" /* Intermediate AML header for ASL/ASL+ converter */ 45 46/* 47 * All tables must be byte-packed to match the ACPI specification, since 48 * the tables are provided by the system BIOS. 49 */ 50#pragma pack(1) 51 52/* 53 * Note: C bitfields are not used for this reason: 54 * 55 * "Bitfields are great and easy to read, but unfortunately the C language 56 * does not specify the layout of bitfields in memory, which means they are 57 * essentially useless for dealing with packed data in on-disk formats or 58 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, 59 * this decision was a design error in C. Ritchie could have picked an order 60 * and stuck with it." Norman Ramsey. 61 * See http://stackoverflow.com/a/1053662/41661 62 */ 63 64/******************************************************************************* 65 * 66 * SLIC - Software Licensing Description Table 67 * 68 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)", 69 * November 29, 2011. Copyright 2011 Microsoft 70 * 71 ******************************************************************************/ 72 73/* Basic SLIC table is only the common ACPI header */ 74 75struct acpi_table_slic { 76 struct acpi_table_header header; /* Common ACPI table header */ 77}; 78 79/******************************************************************************* 80 * 81 * SLIT - System Locality Distance Information Table 82 * Version 1 83 * 84 ******************************************************************************/ 85 86struct acpi_table_slit { 87 struct acpi_table_header header; /* Common ACPI table header */ 88 u64 locality_count; 89 u8 entry[]; /* Real size = localities^2 */ 90}; 91 92/******************************************************************************* 93 * 94 * SPCR - Serial Port Console Redirection table 95 * Version 2 96 * 97 * Conforms to "Serial Port Console Redirection Table", 98 * Version 1.03, August 10, 2015 99 * 100 ******************************************************************************/ 101 102struct acpi_table_spcr { 103 struct acpi_table_header header; /* Common ACPI table header */ 104 u8 interface_type; /* 0=full 16550, 1=subset of 16550 */ 105 u8 reserved[3]; 106 struct acpi_generic_address serial_port; 107 u8 interrupt_type; 108 u8 pc_interrupt; 109 u32 interrupt; 110 u8 baud_rate; 111 u8 parity; 112 u8 stop_bits; 113 u8 flow_control; 114 u8 terminal_type; 115 u8 reserved1; 116 u16 pci_device_id; 117 u16 pci_vendor_id; 118 u8 pci_bus; 119 u8 pci_device; 120 u8 pci_function; 121 u32 pci_flags; 122 u8 pci_segment; 123 u32 reserved2; 124}; 125 126/* Masks for pci_flags field above */ 127 128#define ACPI_SPCR_DO_NOT_DISABLE (1) 129 130/* Values for Interface Type: See the definition of the DBG2 table */ 131 132/******************************************************************************* 133 * 134 * SPMI - Server Platform Management Interface table 135 * Version 5 136 * 137 * Conforms to "Intelligent Platform Management Interface Specification 138 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with 139 * June 12, 2009 markup. 140 * 141 ******************************************************************************/ 142 143struct acpi_table_spmi { 144 struct acpi_table_header header; /* Common ACPI table header */ 145 u8 interface_type; 146 u8 reserved; /* Must be 1 */ 147 u16 spec_revision; /* Version of IPMI */ 148 u8 interrupt_type; 149 u8 gpe_number; /* GPE assigned */ 150 u8 reserved1; 151 u8 pci_device_flag; 152 u32 interrupt; 153 struct acpi_generic_address ipmi_register; 154 u8 pci_segment; 155 u8 pci_bus; 156 u8 pci_device; 157 u8 pci_function; 158 u8 reserved2; 159}; 160 161/* Values for interface_type above */ 162 163enum acpi_spmi_interface_types { 164 ACPI_SPMI_NOT_USED = 0, 165 ACPI_SPMI_KEYBOARD = 1, 166 ACPI_SPMI_SMI = 2, 167 ACPI_SPMI_BLOCK_TRANSFER = 3, 168 ACPI_SPMI_SMBUS = 4, 169 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */ 170}; 171 172/******************************************************************************* 173 * 174 * SRAT - System Resource Affinity Table 175 * Version 3 176 * 177 ******************************************************************************/ 178 179struct acpi_table_srat { 180 struct acpi_table_header header; /* Common ACPI table header */ 181 u32 table_revision; /* Must be value '1' */ 182 u64 reserved; /* Reserved, must be zero */ 183}; 184 185/* Values for subtable type in struct acpi_subtable_header */ 186 187enum acpi_srat_type { 188 ACPI_SRAT_TYPE_CPU_AFFINITY = 0, 189 ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1, 190 ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2, 191 ACPI_SRAT_TYPE_GICC_AFFINITY = 3, 192 ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */ 193 ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */ 194 ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */ 195 ACPI_SRAT_TYPE_RESERVED = 7 /* 7 and greater are reserved */ 196}; 197 198/* 199 * SRAT Subtables, correspond to Type in struct acpi_subtable_header 200 */ 201 202/* 0: Processor Local APIC/SAPIC Affinity */ 203 204struct acpi_srat_cpu_affinity { 205 struct acpi_subtable_header header; 206 u8 proximity_domain_lo; 207 u8 apic_id; 208 u32 flags; 209 u8 local_sapic_eid; 210 u8 proximity_domain_hi[3]; 211 u32 clock_domain; 212}; 213 214/* Flags */ 215 216#define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */ 217 218/* 1: Memory Affinity */ 219 220struct acpi_srat_mem_affinity { 221 struct acpi_subtable_header header; 222 u32 proximity_domain; 223 u16 reserved; /* Reserved, must be zero */ 224 u64 base_address; 225 u64 length; 226 u32 reserved1; 227 u32 flags; 228 u64 reserved2; /* Reserved, must be zero */ 229}; 230 231/* Flags */ 232 233#define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */ 234#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */ 235#define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */ 236 237/* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */ 238 239struct acpi_srat_x2apic_cpu_affinity { 240 struct acpi_subtable_header header; 241 u16 reserved; /* Reserved, must be zero */ 242 u32 proximity_domain; 243 u32 apic_id; 244 u32 flags; 245 u32 clock_domain; 246 u32 reserved2; 247}; 248 249/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */ 250 251#define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */ 252 253/* 3: GICC Affinity (ACPI 5.1) */ 254 255struct acpi_srat_gicc_affinity { 256 struct acpi_subtable_header header; 257 u32 proximity_domain; 258 u32 acpi_processor_uid; 259 u32 flags; 260 u32 clock_domain; 261}; 262 263/* Flags for struct acpi_srat_gicc_affinity */ 264 265#define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */ 266 267/* 4: GCC ITS Affinity (ACPI 6.2) */ 268 269struct acpi_srat_gic_its_affinity { 270 struct acpi_subtable_header header; 271 u32 proximity_domain; 272 u16 reserved; 273 u32 its_id; 274}; 275 276/* 277 * Common structure for SRAT subtable types: 278 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY 279 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY 280 */ 281 282#define ACPI_SRAT_DEVICE_HANDLE_SIZE 16 283 284struct acpi_srat_generic_affinity { 285 struct acpi_subtable_header header; 286 u8 reserved; 287 u8 device_handle_type; 288 u32 proximity_domain; 289 u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE]; 290 u32 flags; 291 u32 reserved1; 292}; 293 294/* Flags for struct acpi_srat_generic_affinity */ 295 296#define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */ 297#define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */ 298 299/******************************************************************************* 300 * 301 * STAO - Status Override Table (_STA override) - ACPI 6.0 302 * Version 1 303 * 304 * Conforms to "ACPI Specification for Status Override Table" 305 * 6 January 2015 306 * 307 ******************************************************************************/ 308 309struct acpi_table_stao { 310 struct acpi_table_header header; /* Common ACPI table header */ 311 u8 ignore_uart; 312}; 313 314/******************************************************************************* 315 * 316 * TCPA - Trusted Computing Platform Alliance table 317 * Version 2 318 * 319 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers 320 * 321 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 322 * Version 1.2, Revision 8 323 * February 27, 2017 324 * 325 * NOTE: There are two versions of the table with the same signature -- 326 * the client version and the server version. The common platform_class 327 * field is used to differentiate the two types of tables. 328 * 329 ******************************************************************************/ 330 331struct acpi_table_tcpa_hdr { 332 struct acpi_table_header header; /* Common ACPI table header */ 333 u16 platform_class; 334}; 335 336/* 337 * Values for platform_class above. 338 * This is how the client and server subtables are differentiated 339 */ 340#define ACPI_TCPA_CLIENT_TABLE 0 341#define ACPI_TCPA_SERVER_TABLE 1 342 343struct acpi_table_tcpa_client { 344 u32 minimum_log_length; /* Minimum length for the event log area */ 345 u64 log_address; /* Address of the event log area */ 346}; 347 348struct acpi_table_tcpa_server { 349 u16 reserved; 350 u64 minimum_log_length; /* Minimum length for the event log area */ 351 u64 log_address; /* Address of the event log area */ 352 u16 spec_revision; 353 u8 device_flags; 354 u8 interrupt_flags; 355 u8 gpe_number; 356 u8 reserved2[3]; 357 u32 global_interrupt; 358 struct acpi_generic_address address; 359 u32 reserved3; 360 struct acpi_generic_address config_address; 361 u8 group; 362 u8 bus; /* PCI Bus/Segment/Function numbers */ 363 u8 device; 364 u8 function; 365}; 366 367/* Values for device_flags above */ 368 369#define ACPI_TCPA_PCI_DEVICE (1) 370#define ACPI_TCPA_BUS_PNP (1<<1) 371#define ACPI_TCPA_ADDRESS_VALID (1<<2) 372 373/* Values for interrupt_flags above */ 374 375#define ACPI_TCPA_INTERRUPT_MODE (1) 376#define ACPI_TCPA_INTERRUPT_POLARITY (1<<1) 377#define ACPI_TCPA_SCI_VIA_GPE (1<<2) 378#define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3) 379 380/******************************************************************************* 381 * 382 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table 383 * Version 4 384 * 385 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers 386 * 387 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 388 * Version 1.2, Revision 8 389 * February 27, 2017 390 * 391 ******************************************************************************/ 392 393/* Revision 3 */ 394 395struct acpi_table_tpm23 { 396 struct acpi_table_header header; /* Common ACPI table header */ 397 u32 reserved; 398 u64 control_address; 399 u32 start_method; 400}; 401 402/* Value for start_method above */ 403 404#define ACPI_TPM23_ACPI_START_METHOD 2 405 406/* 407 * Optional trailer for revision 3. If start method is 2, there is a 4 byte 408 * reserved area of all zeros. 409 */ 410struct acpi_tmp23_trailer { 411 u32 reserved; 412}; 413 414/* Revision 4 */ 415 416struct acpi_table_tpm2 { 417 struct acpi_table_header header; /* Common ACPI table header */ 418 u16 platform_class; 419 u16 reserved; 420 u64 control_address; 421 u32 start_method; 422 423 /* Platform-specific data follows */ 424}; 425 426/* Optional trailer for revision 4 holding platform-specific data */ 427struct acpi_tpm2_phy { 428 u8 start_method_specific[12]; 429 u32 log_area_minimum_length; 430 u64 log_area_start_address; 431}; 432 433/* Values for start_method above */ 434 435#define ACPI_TPM2_NOT_ALLOWED 0 436#define ACPI_TPM2_RESERVED1 1 437#define ACPI_TPM2_START_METHOD 2 438#define ACPI_TPM2_RESERVED3 3 439#define ACPI_TPM2_RESERVED4 4 440#define ACPI_TPM2_RESERVED5 5 441#define ACPI_TPM2_MEMORY_MAPPED 6 442#define ACPI_TPM2_COMMAND_BUFFER 7 443#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8 444#define ACPI_TPM2_RESERVED9 9 445#define ACPI_TPM2_RESERVED10 10 446#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */ 447#define ACPI_TPM2_RESERVED 12 448#define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13 449 450/* Optional trailer appears after any start_method subtables */ 451 452struct acpi_tpm2_trailer { 453 u8 method_parameters[12]; 454 u32 minimum_log_length; /* Minimum length for the event log area */ 455 u64 log_address; /* Address of the event log area */ 456}; 457 458/* 459 * Subtables (start_method-specific) 460 */ 461 462/* 11: Start Method for ARM SMC (V1.2 Rev 8) */ 463 464struct acpi_tpm2_arm_smc { 465 u32 global_interrupt; 466 u8 interrupt_flags; 467 u8 operation_flags; 468 u16 reserved; 469 u32 function_id; 470}; 471 472/* Values for interrupt_flags above */ 473 474#define ACPI_TPM2_INTERRUPT_SUPPORT (1) 475 476/* Values for operation_flags above */ 477 478#define ACPI_TPM2_IDLE_SUPPORT (1) 479 480/******************************************************************************* 481 * 482 * UEFI - UEFI Boot optimization Table 483 * Version 1 484 * 485 * Conforms to "Unified Extensible Firmware Interface Specification", 486 * Version 2.3, May 8, 2009 487 * 488 ******************************************************************************/ 489 490struct acpi_table_uefi { 491 struct acpi_table_header header; /* Common ACPI table header */ 492 u8 identifier[16]; /* UUID identifier */ 493 u16 data_offset; /* Offset of remaining data in table */ 494}; 495 496/******************************************************************************* 497 * 498 * VIOT - Virtual I/O Translation Table 499 * Version 1 500 * 501 ******************************************************************************/ 502 503struct acpi_table_viot { 504 struct acpi_table_header header; /* Common ACPI table header */ 505 u16 node_count; 506 u16 node_offset; 507 u8 reserved[8]; 508}; 509 510/* VIOT subtable header */ 511 512struct acpi_viot_header { 513 u8 type; 514 u8 reserved; 515 u16 length; 516}; 517 518/* Values for Type field above */ 519 520enum acpi_viot_node_type { 521 ACPI_VIOT_NODE_PCI_RANGE = 0x01, 522 ACPI_VIOT_NODE_MMIO = 0x02, 523 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03, 524 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04, 525 ACPI_VIOT_RESERVED = 0x05 526}; 527 528/* VIOT subtables */ 529 530struct acpi_viot_pci_range { 531 struct acpi_viot_header header; 532 u32 endpoint_start; 533 u16 segment_start; 534 u16 segment_end; 535 u16 bdf_start; 536 u16 bdf_end; 537 u16 output_node; 538 u8 reserved[6]; 539}; 540 541struct acpi_viot_mmio { 542 struct acpi_viot_header header; 543 u32 endpoint; 544 u64 base_address; 545 u16 output_node; 546 u8 reserved[6]; 547}; 548 549struct acpi_viot_virtio_iommu_pci { 550 struct acpi_viot_header header; 551 u16 segment; 552 u16 bdf; 553 u8 reserved[8]; 554}; 555 556struct acpi_viot_virtio_iommu_mmio { 557 struct acpi_viot_header header; 558 u8 reserved[4]; 559 u64 base_address; 560}; 561 562/******************************************************************************* 563 * 564 * WAET - Windows ACPI Emulated devices Table 565 * Version 1 566 * 567 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009 568 * 569 ******************************************************************************/ 570 571struct acpi_table_waet { 572 struct acpi_table_header header; /* Common ACPI table header */ 573 u32 flags; 574}; 575 576/* Masks for Flags field above */ 577 578#define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */ 579#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */ 580 581/******************************************************************************* 582 * 583 * WDAT - Watchdog Action Table 584 * Version 1 585 * 586 * Conforms to "Hardware Watchdog Timers Design Specification", 587 * Copyright 2006 Microsoft Corporation. 588 * 589 ******************************************************************************/ 590 591struct acpi_table_wdat { 592 struct acpi_table_header header; /* Common ACPI table header */ 593 u32 header_length; /* Watchdog Header Length */ 594 u16 pci_segment; /* PCI Segment number */ 595 u8 pci_bus; /* PCI Bus number */ 596 u8 pci_device; /* PCI Device number */ 597 u8 pci_function; /* PCI Function number */ 598 u8 reserved[3]; 599 u32 timer_period; /* Period of one timer count (msec) */ 600 u32 max_count; /* Maximum counter value supported */ 601 u32 min_count; /* Minimum counter value */ 602 u8 flags; 603 u8 reserved2[3]; 604 u32 entries; /* Number of watchdog entries that follow */ 605}; 606 607/* Masks for Flags field above */ 608 609#define ACPI_WDAT_ENABLED (1) 610#define ACPI_WDAT_STOPPED 0x80 611 612/* WDAT Instruction Entries (actions) */ 613 614struct acpi_wdat_entry { 615 u8 action; 616 u8 instruction; 617 u16 reserved; 618 struct acpi_generic_address register_region; 619 u32 value; /* Value used with Read/Write register */ 620 u32 mask; /* Bitmask required for this register instruction */ 621}; 622 623/* Values for Action field above */ 624 625enum acpi_wdat_actions { 626 ACPI_WDAT_RESET = 1, 627 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4, 628 ACPI_WDAT_GET_COUNTDOWN = 5, 629 ACPI_WDAT_SET_COUNTDOWN = 6, 630 ACPI_WDAT_GET_RUNNING_STATE = 8, 631 ACPI_WDAT_SET_RUNNING_STATE = 9, 632 ACPI_WDAT_GET_STOPPED_STATE = 10, 633 ACPI_WDAT_SET_STOPPED_STATE = 11, 634 ACPI_WDAT_GET_REBOOT = 16, 635 ACPI_WDAT_SET_REBOOT = 17, 636 ACPI_WDAT_GET_SHUTDOWN = 18, 637 ACPI_WDAT_SET_SHUTDOWN = 19, 638 ACPI_WDAT_GET_STATUS = 32, 639 ACPI_WDAT_SET_STATUS = 33, 640 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */ 641}; 642 643/* Values for Instruction field above */ 644 645enum acpi_wdat_instructions { 646 ACPI_WDAT_READ_VALUE = 0, 647 ACPI_WDAT_READ_COUNTDOWN = 1, 648 ACPI_WDAT_WRITE_VALUE = 2, 649 ACPI_WDAT_WRITE_COUNTDOWN = 3, 650 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */ 651 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */ 652}; 653 654/******************************************************************************* 655 * 656 * WDDT - Watchdog Descriptor Table 657 * Version 1 658 * 659 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", 660 * Version 001, September 2002 661 * 662 ******************************************************************************/ 663 664struct acpi_table_wddt { 665 struct acpi_table_header header; /* Common ACPI table header */ 666 u16 spec_version; 667 u16 table_version; 668 u16 pci_vendor_id; 669 struct acpi_generic_address address; 670 u16 max_count; /* Maximum counter value supported */ 671 u16 min_count; /* Minimum counter value supported */ 672 u16 period; 673 u16 status; 674 u16 capability; 675}; 676 677/* Flags for Status field above */ 678 679#define ACPI_WDDT_AVAILABLE (1) 680#define ACPI_WDDT_ACTIVE (1<<1) 681#define ACPI_WDDT_TCO_OS_OWNED (1<<2) 682#define ACPI_WDDT_USER_RESET (1<<11) 683#define ACPI_WDDT_WDT_RESET (1<<12) 684#define ACPI_WDDT_POWER_FAIL (1<<13) 685#define ACPI_WDDT_UNKNOWN_RESET (1<<14) 686 687/* Flags for Capability field above */ 688 689#define ACPI_WDDT_AUTO_RESET (1) 690#define ACPI_WDDT_ALERT_SUPPORT (1<<1) 691 692/******************************************************************************* 693 * 694 * WDRT - Watchdog Resource Table 695 * Version 1 696 * 697 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003", 698 * Version 1.01, August 28, 2006 699 * 700 ******************************************************************************/ 701 702struct acpi_table_wdrt { 703 struct acpi_table_header header; /* Common ACPI table header */ 704 struct acpi_generic_address control_register; 705 struct acpi_generic_address count_register; 706 u16 pci_device_id; 707 u16 pci_vendor_id; 708 u8 pci_bus; /* PCI Bus number */ 709 u8 pci_device; /* PCI Device number */ 710 u8 pci_function; /* PCI Function number */ 711 u8 pci_segment; /* PCI Segment number */ 712 u16 max_count; /* Maximum counter value supported */ 713 u8 units; 714}; 715 716/******************************************************************************* 717 * 718 * WPBT - Windows Platform Environment Table (ACPI 6.0) 719 * Version 1 720 * 721 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011 722 * 723 ******************************************************************************/ 724 725struct acpi_table_wpbt { 726 struct acpi_table_header header; /* Common ACPI table header */ 727 u32 handoff_size; 728 u64 handoff_address; 729 u8 layout; 730 u8 type; 731 u16 arguments_length; 732}; 733 734struct acpi_wpbt_unicode { 735 u16 *unicode_string; 736}; 737 738/******************************************************************************* 739 * 740 * WSMT - Windows SMM Security Mitigations Table 741 * Version 1 742 * 743 * Conforms to "Windows SMM Security Mitigations Table", 744 * Version 1.0, April 18, 2016 745 * 746 ******************************************************************************/ 747 748struct acpi_table_wsmt { 749 struct acpi_table_header header; /* Common ACPI table header */ 750 u32 protection_flags; 751}; 752 753/* Flags for protection_flags field above */ 754 755#define ACPI_WSMT_FIXED_COMM_BUFFERS (1) 756#define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2) 757#define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4) 758 759/******************************************************************************* 760 * 761 * XENV - Xen Environment Table (ACPI 6.0) 762 * Version 1 763 * 764 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015 765 * 766 ******************************************************************************/ 767 768struct acpi_table_xenv { 769 struct acpi_table_header header; /* Common ACPI table header */ 770 u64 grant_table_address; 771 u64 grant_table_size; 772 u32 event_interrupt; 773 u8 event_flags; 774}; 775 776/* Reset to default packing */ 777 778#pragma pack() 779 780#endif /* __ACTBL3_H__ */ 781