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 75 struct 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 86 struct 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 ******************************************************************************/ 101 102 struct 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 ******************************************************************************/ 142 143 struct 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 */ 162 163 enum 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 ******************************************************************************/ 178 179 struct 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 */ 186 187 enum 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_RINTC_AFFINITY = 7, /* ACPI 6.6 */ 196 ACPI_SRAT_TYPE_RESERVED = 8 /* 8 and greater are reserved */ 197 }; 198 199 /* 200 * SRAT Subtables, correspond to Type in struct acpi_subtable_header 201 */ 202 203 /* 0: Processor Local APIC/SAPIC Affinity */ 204 205 struct acpi_srat_cpu_affinity { 206 struct acpi_subtable_header header; 207 u8 proximity_domain_lo; 208 u8 apic_id; 209 u32 flags; 210 u8 local_sapic_eid; 211 u8 proximity_domain_hi[3]; 212 u32 clock_domain; 213 }; 214 215 /* Flags */ 216 217 #define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */ 218 219 /* 1: Memory Affinity */ 220 221 struct acpi_srat_mem_affinity { 222 struct acpi_subtable_header header; 223 u32 proximity_domain; 224 u16 reserved; /* Reserved, must be zero */ 225 u64 base_address; 226 u64 length; 227 u32 reserved1; 228 u32 flags; 229 u64 reserved2; /* Reserved, must be zero */ 230 }; 231 232 /* Flags */ 233 234 #define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */ 235 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */ 236 #define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */ 237 238 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */ 239 240 struct acpi_srat_x2apic_cpu_affinity { 241 struct acpi_subtable_header header; 242 u16 reserved; /* Reserved, must be zero */ 243 u32 proximity_domain; 244 u32 apic_id; 245 u32 flags; 246 u32 clock_domain; 247 u32 reserved2; 248 }; 249 250 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */ 251 252 #define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */ 253 254 /* 3: GICC Affinity (ACPI 5.1) */ 255 256 struct acpi_srat_gicc_affinity { 257 struct acpi_subtable_header header; 258 u32 proximity_domain; 259 u32 acpi_processor_uid; 260 u32 flags; 261 u32 clock_domain; 262 }; 263 264 /* Flags for struct acpi_srat_gicc_affinity */ 265 266 #define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */ 267 268 /* 4: GCC ITS Affinity (ACPI 6.2) */ 269 270 struct acpi_srat_gic_its_affinity { 271 struct acpi_subtable_header header; 272 u32 proximity_domain; 273 u16 reserved; 274 u32 its_id; 275 }; 276 277 /* 278 * Common structure for SRAT subtable types: 279 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY 280 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY 281 */ 282 283 #define ACPI_SRAT_DEVICE_HANDLE_SIZE 16 284 285 struct acpi_srat_generic_affinity { 286 struct acpi_subtable_header header; 287 u8 reserved; 288 u8 device_handle_type; 289 u32 proximity_domain; 290 u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE]; 291 u32 flags; 292 u32 reserved1; 293 }; 294 295 /* Flags for struct acpi_srat_generic_affinity */ 296 297 #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */ 298 #define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */ 299 300 /* 7: RINTC Affinity Structure(ACPI 6.6) */ 301 302 struct acpi_srat_rintc_affinity { 303 struct acpi_subtable_header header; 304 u16 reserved; 305 u32 proximity_domain; 306 u32 acpi_processor_uid; 307 u32 flags; 308 u32 clock_domain; 309 }; 310 311 /* Flags for struct acpi_srat_rintc_affinity */ 312 313 #define ACPI_SRAT_RINTC_ENABLED (1) /* 00: Use affinity structure */ 314 315 /******************************************************************************* 316 * 317 * STAO - Status Override Table (_STA override) - ACPI 6.0 318 * Version 1 319 * 320 * Conforms to "ACPI Specification for Status Override Table" 321 * 6 January 2015 322 * 323 ******************************************************************************/ 324 325 struct acpi_table_stao { 326 struct acpi_table_header header; /* Common ACPI table header */ 327 u8 ignore_uart; 328 }; 329 330 /******************************************************************************* 331 * 332 * TCPA - Trusted Computing Platform Alliance table 333 * Version 2 334 * 335 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers 336 * 337 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 338 * Version 1.2, Revision 8 339 * February 27, 2017 340 * 341 * NOTE: There are two versions of the table with the same signature -- 342 * the client version and the server version. The common platform_class 343 * field is used to differentiate the two types of tables. 344 * 345 ******************************************************************************/ 346 347 struct acpi_table_tcpa_hdr { 348 struct acpi_table_header header; /* Common ACPI table header */ 349 u16 platform_class; 350 }; 351 352 /* 353 * Values for platform_class above. 354 * This is how the client and server subtables are differentiated 355 */ 356 #define ACPI_TCPA_CLIENT_TABLE 0 357 #define ACPI_TCPA_SERVER_TABLE 1 358 359 struct acpi_table_tcpa_client { 360 u32 minimum_log_length; /* Minimum length for the event log area */ 361 u64 log_address; /* Address of the event log area */ 362 }; 363 364 struct acpi_table_tcpa_server { 365 u16 reserved; 366 u64 minimum_log_length; /* Minimum length for the event log area */ 367 u64 log_address; /* Address of the event log area */ 368 u16 spec_revision; 369 u8 device_flags; 370 u8 interrupt_flags; 371 u8 gpe_number; 372 u8 reserved2[3]; 373 u32 global_interrupt; 374 struct acpi_generic_address address; 375 u32 reserved3; 376 struct acpi_generic_address config_address; 377 u8 group; 378 u8 bus; /* PCI Bus/Segment/Function numbers */ 379 u8 device; 380 u8 function; 381 }; 382 383 /* Values for device_flags above */ 384 385 #define ACPI_TCPA_PCI_DEVICE (1) 386 #define ACPI_TCPA_BUS_PNP (1<<1) 387 #define ACPI_TCPA_ADDRESS_VALID (1<<2) 388 389 /* Values for interrupt_flags above */ 390 391 #define ACPI_TCPA_INTERRUPT_MODE (1) 392 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1) 393 #define ACPI_TCPA_SCI_VIA_GPE (1<<2) 394 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3) 395 396 /******************************************************************************* 397 * 398 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table 399 * Version 4 400 * 401 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers 402 * 403 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 404 * Version 1.2, Revision 8 405 * February 27, 2017 406 * 407 ******************************************************************************/ 408 409 /* Revision 3 */ 410 411 struct acpi_table_tpm23 { 412 struct acpi_table_header header; /* Common ACPI table header */ 413 u32 reserved; 414 u64 control_address; 415 u32 start_method; 416 }; 417 418 /* Value for start_method above */ 419 420 #define ACPI_TPM23_ACPI_START_METHOD 2 421 422 /* 423 * Optional trailer for revision 3. If start method is 2, there is a 4 byte 424 * reserved area of all zeros. 425 */ 426 struct acpi_tmp23_trailer { 427 u32 reserved; 428 }; 429 430 /* Revision 4 */ 431 432 struct acpi_table_tpm2 { 433 struct acpi_table_header header; /* Common ACPI table header */ 434 u16 platform_class; 435 u16 reserved; 436 u64 control_address; 437 u32 start_method; 438 439 /* Platform-specific data follows */ 440 }; 441 442 /* Optional trailer for revision 4 holding platform-specific data */ 443 struct acpi_tpm2_phy { 444 u8 start_method_specific[12]; 445 u32 log_area_minimum_length; 446 u64 log_area_start_address; 447 }; 448 449 /* Values for start_method above */ 450 451 #define ACPI_TPM2_NOT_ALLOWED 0 452 #define ACPI_TPM2_RESERVED1 1 453 #define ACPI_TPM2_START_METHOD 2 454 #define ACPI_TPM2_RESERVED3 3 455 #define ACPI_TPM2_RESERVED4 4 456 #define ACPI_TPM2_RESERVED5 5 457 #define ACPI_TPM2_MEMORY_MAPPED 6 458 #define ACPI_TPM2_COMMAND_BUFFER 7 459 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8 460 #define ACPI_TPM2_RESERVED9 9 461 #define ACPI_TPM2_RESERVED10 10 462 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */ 463 #define ACPI_TPM2_RESERVED 12 464 #define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13 465 466 /* Optional trailer appears after any start_method subtables */ 467 468 struct acpi_tpm2_trailer { 469 u8 method_parameters[12]; 470 u32 minimum_log_length; /* Minimum length for the event log area */ 471 u64 log_address; /* Address of the event log area */ 472 }; 473 474 /* 475 * Subtables (start_method-specific) 476 */ 477 478 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */ 479 480 struct acpi_tpm2_arm_smc { 481 u32 global_interrupt; 482 u8 interrupt_flags; 483 u8 operation_flags; 484 u16 reserved; 485 u32 function_id; 486 }; 487 488 /* Values for interrupt_flags above */ 489 490 #define ACPI_TPM2_INTERRUPT_SUPPORT (1) 491 492 /* Values for operation_flags above */ 493 494 #define ACPI_TPM2_IDLE_SUPPORT (1) 495 496 /******************************************************************************* 497 * 498 * UEFI - UEFI Boot optimization Table 499 * Version 1 500 * 501 * Conforms to "Unified Extensible Firmware Interface Specification", 502 * Version 2.3, May 8, 2009 503 * 504 ******************************************************************************/ 505 506 struct acpi_table_uefi { 507 struct acpi_table_header header; /* Common ACPI table header */ 508 u8 identifier[16]; /* UUID identifier */ 509 u16 data_offset; /* Offset of remaining data in table */ 510 }; 511 512 /******************************************************************************* 513 * 514 * VIOT - Virtual I/O Translation Table 515 * Version 1 516 * 517 ******************************************************************************/ 518 519 struct acpi_table_viot { 520 struct acpi_table_header header; /* Common ACPI table header */ 521 u16 node_count; 522 u16 node_offset; 523 u8 reserved[8]; 524 }; 525 526 /* VIOT subtable header */ 527 528 struct acpi_viot_header { 529 u8 type; 530 u8 reserved; 531 u16 length; 532 }; 533 534 /* Values for Type field above */ 535 536 enum acpi_viot_node_type { 537 ACPI_VIOT_NODE_PCI_RANGE = 0x01, 538 ACPI_VIOT_NODE_MMIO = 0x02, 539 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03, 540 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04, 541 ACPI_VIOT_RESERVED = 0x05 542 }; 543 544 /* VIOT subtables */ 545 546 struct acpi_viot_pci_range { 547 struct acpi_viot_header header; 548 u32 endpoint_start; 549 u16 segment_start; 550 u16 segment_end; 551 u16 bdf_start; 552 u16 bdf_end; 553 u16 output_node; 554 u8 reserved[6]; 555 }; 556 557 struct acpi_viot_mmio { 558 struct acpi_viot_header header; 559 u32 endpoint; 560 u64 base_address; 561 u16 output_node; 562 u8 reserved[6]; 563 }; 564 565 struct acpi_viot_virtio_iommu_pci { 566 struct acpi_viot_header header; 567 u16 segment; 568 u16 bdf; 569 u8 reserved[8]; 570 }; 571 572 struct acpi_viot_virtio_iommu_mmio { 573 struct acpi_viot_header header; 574 u8 reserved[4]; 575 u64 base_address; 576 }; 577 578 /******************************************************************************* 579 * 580 * WAET - Windows ACPI Emulated devices Table 581 * Version 1 582 * 583 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009 584 * 585 ******************************************************************************/ 586 587 struct acpi_table_waet { 588 struct acpi_table_header header; /* Common ACPI table header */ 589 u32 flags; 590 }; 591 592 /* Masks for Flags field above */ 593 594 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */ 595 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */ 596 597 /******************************************************************************* 598 * 599 * WDAT - Watchdog Action Table 600 * Version 1 601 * 602 * Conforms to "Hardware Watchdog Timers Design Specification", 603 * Copyright 2006 Microsoft Corporation. 604 * 605 ******************************************************************************/ 606 607 struct acpi_table_wdat { 608 struct acpi_table_header header; /* Common ACPI table header */ 609 u32 header_length; /* Watchdog Header Length */ 610 u16 pci_segment; /* PCI Segment number */ 611 u8 pci_bus; /* PCI Bus number */ 612 u8 pci_device; /* PCI Device number */ 613 u8 pci_function; /* PCI Function number */ 614 u8 reserved[3]; 615 u32 timer_period; /* Period of one timer count (msec) */ 616 u32 max_count; /* Maximum counter value supported */ 617 u32 min_count; /* Minimum counter value */ 618 u8 flags; 619 u8 reserved2[3]; 620 u32 entries; /* Number of watchdog entries that follow */ 621 }; 622 623 /* Masks for Flags field above */ 624 625 #define ACPI_WDAT_ENABLED (1) 626 #define ACPI_WDAT_STOPPED 0x80 627 628 /* WDAT Instruction Entries (actions) */ 629 630 struct acpi_wdat_entry { 631 u8 action; 632 u8 instruction; 633 u16 reserved; 634 struct acpi_generic_address register_region; 635 u32 value; /* Value used with Read/Write register */ 636 u32 mask; /* Bitmask required for this register instruction */ 637 }; 638 639 /* Values for Action field above */ 640 641 enum acpi_wdat_actions { 642 ACPI_WDAT_RESET = 1, 643 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4, 644 ACPI_WDAT_GET_COUNTDOWN = 5, 645 ACPI_WDAT_SET_COUNTDOWN = 6, 646 ACPI_WDAT_GET_RUNNING_STATE = 8, 647 ACPI_WDAT_SET_RUNNING_STATE = 9, 648 ACPI_WDAT_GET_STOPPED_STATE = 10, 649 ACPI_WDAT_SET_STOPPED_STATE = 11, 650 ACPI_WDAT_GET_REBOOT = 16, 651 ACPI_WDAT_SET_REBOOT = 17, 652 ACPI_WDAT_GET_SHUTDOWN = 18, 653 ACPI_WDAT_SET_SHUTDOWN = 19, 654 ACPI_WDAT_GET_STATUS = 32, 655 ACPI_WDAT_SET_STATUS = 33, 656 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */ 657 }; 658 659 /* Values for Instruction field above */ 660 661 enum acpi_wdat_instructions { 662 ACPI_WDAT_READ_VALUE = 0, 663 ACPI_WDAT_READ_COUNTDOWN = 1, 664 ACPI_WDAT_WRITE_VALUE = 2, 665 ACPI_WDAT_WRITE_COUNTDOWN = 3, 666 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */ 667 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */ 668 }; 669 670 /******************************************************************************* 671 * 672 * WDDT - Watchdog Descriptor Table 673 * Version 1 674 * 675 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", 676 * Version 001, September 2002 677 * 678 ******************************************************************************/ 679 680 struct acpi_table_wddt { 681 struct acpi_table_header header; /* Common ACPI table header */ 682 u16 spec_version; 683 u16 table_version; 684 u16 pci_vendor_id; 685 struct acpi_generic_address address; 686 u16 max_count; /* Maximum counter value supported */ 687 u16 min_count; /* Minimum counter value supported */ 688 u16 period; 689 u16 status; 690 u16 capability; 691 }; 692 693 /* Flags for Status field above */ 694 695 #define ACPI_WDDT_AVAILABLE (1) 696 #define ACPI_WDDT_ACTIVE (1<<1) 697 #define ACPI_WDDT_TCO_OS_OWNED (1<<2) 698 #define ACPI_WDDT_USER_RESET (1<<11) 699 #define ACPI_WDDT_WDT_RESET (1<<12) 700 #define ACPI_WDDT_POWER_FAIL (1<<13) 701 #define ACPI_WDDT_UNKNOWN_RESET (1<<14) 702 703 /* Flags for Capability field above */ 704 705 #define ACPI_WDDT_AUTO_RESET (1) 706 #define ACPI_WDDT_ALERT_SUPPORT (1<<1) 707 708 /******************************************************************************* 709 * 710 * WDRT - Watchdog Resource Table 711 * Version 1 712 * 713 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003", 714 * Version 1.01, August 28, 2006 715 * 716 ******************************************************************************/ 717 718 struct acpi_table_wdrt { 719 struct acpi_table_header header; /* Common ACPI table header */ 720 struct acpi_generic_address control_register; 721 struct acpi_generic_address count_register; 722 u16 pci_device_id; 723 u16 pci_vendor_id; 724 u8 pci_bus; /* PCI Bus number */ 725 u8 pci_device; /* PCI Device number */ 726 u8 pci_function; /* PCI Function number */ 727 u8 pci_segment; /* PCI Segment number */ 728 u16 max_count; /* Maximum counter value supported */ 729 u8 units; 730 }; 731 732 /******************************************************************************* 733 * 734 * WPBT - Windows Platform Environment Table (ACPI 6.0) 735 * Version 1 736 * 737 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011 738 * 739 ******************************************************************************/ 740 741 struct acpi_table_wpbt { 742 struct acpi_table_header header; /* Common ACPI table header */ 743 u32 handoff_size; 744 u64 handoff_address; 745 u8 layout; 746 u8 type; 747 u16 arguments_length; 748 }; 749 750 struct acpi_wpbt_unicode { 751 u16 *unicode_string; 752 }; 753 754 /******************************************************************************* 755 * 756 * WSMT - Windows SMM Security Mitigations Table 757 * Version 1 758 * 759 * Conforms to "Windows SMM Security Mitigations Table", 760 * Version 1.0, April 18, 2016 761 * 762 ******************************************************************************/ 763 764 struct acpi_table_wsmt { 765 struct acpi_table_header header; /* Common ACPI table header */ 766 u32 protection_flags; 767 }; 768 769 /* Flags for protection_flags field above */ 770 771 #define ACPI_WSMT_FIXED_COMM_BUFFERS (1) 772 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2) 773 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4) 774 775 /******************************************************************************* 776 * 777 * XENV - Xen Environment Table (ACPI 6.0) 778 * Version 1 779 * 780 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015 781 * 782 ******************************************************************************/ 783 784 struct acpi_table_xenv { 785 struct acpi_table_header header; /* Common ACPI table header */ 786 u64 grant_table_address; 787 u64 grant_table_size; 788 u32 event_interrupt; 789 u8 event_flags; 790 }; 791 792 /* Reset to default packing */ 793 794 #pragma pack() 795 796 #endif /* __ACTBL3_H__ */ 797