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 4 96 * 97 * Conforms to "Serial Port Console Redirection Table", 98 * Version 1.10, Jan 5, 2023 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 language; 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 uart_clk_freq; 124 u32 precise_baudrate; 125 u16 name_space_string_length; 126 u16 name_space_string_offset; 127 char name_space_string[]; 128 }; 129 130 /* Masks for pci_flags field above */ 131 132 #define ACPI_SPCR_DO_NOT_DISABLE (1) 133 134 /* Values for Interface Type: See the definition of the DBG2 table */ 135 136 /******************************************************************************* 137 * 138 * SPMI - Server Platform Management Interface table 139 * Version 5 140 * 141 * Conforms to "Intelligent Platform Management Interface Specification 142 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with 143 * June 12, 2009 markup. 144 * 145 ******************************************************************************/ 146 147 struct acpi_table_spmi { 148 struct acpi_table_header header; /* Common ACPI table header */ 149 u8 interface_type; 150 u8 reserved; /* Must be 1 */ 151 u16 spec_revision; /* Version of IPMI */ 152 u8 interrupt_type; 153 u8 gpe_number; /* GPE assigned */ 154 u8 reserved1; 155 u8 pci_device_flag; 156 u32 interrupt; 157 struct acpi_generic_address ipmi_register; 158 u8 pci_segment; 159 u8 pci_bus; 160 u8 pci_device; 161 u8 pci_function; 162 u8 reserved2; 163 }; 164 165 /* Values for interface_type above */ 166 167 enum acpi_spmi_interface_types { 168 ACPI_SPMI_NOT_USED = 0, 169 ACPI_SPMI_KEYBOARD = 1, 170 ACPI_SPMI_SMI = 2, 171 ACPI_SPMI_BLOCK_TRANSFER = 3, 172 ACPI_SPMI_SMBUS = 4, 173 ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */ 174 }; 175 176 /******************************************************************************* 177 * 178 * SRAT - System Resource Affinity Table 179 * Version 3 180 * 181 ******************************************************************************/ 182 183 struct acpi_table_srat { 184 struct acpi_table_header header; /* Common ACPI table header */ 185 u32 table_revision; /* Must be value '1' */ 186 u64 reserved; /* Reserved, must be zero */ 187 }; 188 189 /* Values for subtable type in struct acpi_subtable_header */ 190 191 enum acpi_srat_type { 192 ACPI_SRAT_TYPE_CPU_AFFINITY = 0, 193 ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1, 194 ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2, 195 ACPI_SRAT_TYPE_GICC_AFFINITY = 3, 196 ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */ 197 ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */ 198 ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */ 199 ACPI_SRAT_TYPE_RINTC_AFFINITY = 7, /* ACPI 6.6 */ 200 ACPI_SRAT_TYPE_RESERVED = 8 /* 8 and greater are reserved */ 201 }; 202 203 /* 204 * SRAT Subtables, correspond to Type in struct acpi_subtable_header 205 */ 206 207 /* 0: Processor Local APIC/SAPIC Affinity */ 208 209 struct acpi_srat_cpu_affinity { 210 struct acpi_subtable_header header; 211 u8 proximity_domain_lo; 212 u8 apic_id; 213 u32 flags; 214 u8 local_sapic_eid; 215 u8 proximity_domain_hi[3]; 216 u32 clock_domain; 217 }; 218 219 /* Flags */ 220 221 #define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */ 222 223 /* 1: Memory Affinity */ 224 225 struct acpi_srat_mem_affinity { 226 struct acpi_subtable_header header; 227 u32 proximity_domain; 228 u16 reserved; /* Reserved, must be zero */ 229 u64 base_address; 230 u64 length; 231 u32 reserved1; 232 u32 flags; 233 u64 reserved2; /* Reserved, must be zero */ 234 }; 235 236 /* Flags */ 237 238 #define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */ 239 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */ 240 #define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */ 241 242 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */ 243 244 struct acpi_srat_x2apic_cpu_affinity { 245 struct acpi_subtable_header header; 246 u16 reserved; /* Reserved, must be zero */ 247 u32 proximity_domain; 248 u32 apic_id; 249 u32 flags; 250 u32 clock_domain; 251 u32 reserved2; 252 }; 253 254 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */ 255 256 #define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */ 257 258 /* 3: GICC Affinity (ACPI 5.1) */ 259 260 struct acpi_srat_gicc_affinity { 261 struct acpi_subtable_header header; 262 u32 proximity_domain; 263 u32 acpi_processor_uid; 264 u32 flags; 265 u32 clock_domain; 266 }; 267 268 /* Flags for struct acpi_srat_gicc_affinity */ 269 270 #define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */ 271 272 /* 4: GCC ITS Affinity (ACPI 6.2) */ 273 274 struct acpi_srat_gic_its_affinity { 275 struct acpi_subtable_header header; 276 u32 proximity_domain; 277 u16 reserved; 278 u32 its_id; 279 }; 280 281 /* 282 * Common structure for SRAT subtable types: 283 * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY 284 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY 285 */ 286 287 #define ACPI_SRAT_DEVICE_HANDLE_SIZE 16 288 289 struct acpi_srat_generic_affinity { 290 struct acpi_subtable_header header; 291 u8 reserved; 292 u8 device_handle_type; 293 u32 proximity_domain; 294 u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE]; 295 u32 flags; 296 u32 reserved1; 297 }; 298 299 /* Flags for struct acpi_srat_generic_affinity */ 300 301 #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */ 302 #define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */ 303 304 /* 7: RINTC Affinity Structure(ACPI 6.6) */ 305 306 struct acpi_srat_rintc_affinity { 307 struct acpi_subtable_header header; 308 u16 reserved; 309 u32 proximity_domain; 310 u32 acpi_processor_uid; 311 u32 flags; 312 u32 clock_domain; 313 }; 314 315 /* Flags for struct acpi_srat_rintc_affinity */ 316 317 #define ACPI_SRAT_RINTC_ENABLED (1) /* 00: Use affinity structure */ 318 319 /******************************************************************************* 320 * 321 * STAO - Status Override Table (_STA override) - ACPI 6.0 322 * Version 1 323 * 324 * Conforms to "ACPI Specification for Status Override Table" 325 * 6 January 2015 326 * 327 ******************************************************************************/ 328 329 struct acpi_table_stao { 330 struct acpi_table_header header; /* Common ACPI table header */ 331 u8 ignore_uart; 332 }; 333 334 /******************************************************************************* 335 * 336 * TCPA - Trusted Computing Platform Alliance table 337 * Version 2 338 * 339 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers 340 * 341 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 342 * Version 1.2, Revision 8 343 * February 27, 2017 344 * 345 * NOTE: There are two versions of the table with the same signature -- 346 * the client version and the server version. The common platform_class 347 * field is used to differentiate the two types of tables. 348 * 349 ******************************************************************************/ 350 351 struct acpi_table_tcpa_hdr { 352 struct acpi_table_header header; /* Common ACPI table header */ 353 u16 platform_class; 354 }; 355 356 /* 357 * Values for platform_class above. 358 * This is how the client and server subtables are differentiated 359 */ 360 #define ACPI_TCPA_CLIENT_TABLE 0 361 #define ACPI_TCPA_SERVER_TABLE 1 362 363 struct acpi_table_tcpa_client { 364 u32 minimum_log_length; /* Minimum length for the event log area */ 365 u64 log_address; /* Address of the event log area */ 366 }; 367 368 struct acpi_table_tcpa_server { 369 u16 reserved; 370 u64 minimum_log_length; /* Minimum length for the event log area */ 371 u64 log_address; /* Address of the event log area */ 372 u16 spec_revision; 373 u8 device_flags; 374 u8 interrupt_flags; 375 u8 gpe_number; 376 u8 reserved2[3]; 377 u32 global_interrupt; 378 struct acpi_generic_address address; 379 u32 reserved3; 380 struct acpi_generic_address config_address; 381 u8 group; 382 u8 bus; /* PCI Bus/Segment/Function numbers */ 383 u8 device; 384 u8 function; 385 }; 386 387 /* Values for device_flags above */ 388 389 #define ACPI_TCPA_PCI_DEVICE (1) 390 #define ACPI_TCPA_BUS_PNP (1<<1) 391 #define ACPI_TCPA_ADDRESS_VALID (1<<2) 392 393 /* Values for interrupt_flags above */ 394 395 #define ACPI_TCPA_INTERRUPT_MODE (1) 396 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1) 397 #define ACPI_TCPA_SCI_VIA_GPE (1<<2) 398 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3) 399 400 /******************************************************************************* 401 * 402 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table 403 * Version 4 404 * 405 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers 406 * 407 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 408 * Version 1.2, Revision 8 409 * February 27, 2017 410 * 411 ******************************************************************************/ 412 413 /* Revision 3 */ 414 415 struct acpi_table_tpm23 { 416 struct acpi_table_header header; /* Common ACPI table header */ 417 u32 reserved; 418 u64 control_address; 419 u32 start_method; 420 }; 421 422 /* Value for start_method above */ 423 424 #define ACPI_TPM23_ACPI_START_METHOD 2 425 426 /* 427 * Optional trailer for revision 3. If start method is 2, there is a 4 byte 428 * reserved area of all zeros. 429 */ 430 struct acpi_tmp23_trailer { 431 u32 reserved; 432 }; 433 434 /* Revision 4 */ 435 436 struct acpi_table_tpm2 { 437 struct acpi_table_header header; /* Common ACPI table header */ 438 u16 platform_class; 439 u16 reserved; 440 u64 control_address; 441 u32 start_method; 442 443 /* Platform-specific data follows */ 444 }; 445 446 /* Optional trailer for revision 4 holding platform-specific data */ 447 struct acpi_tpm2_phy { 448 u8 start_method_specific[12]; 449 u32 log_area_minimum_length; 450 u64 log_area_start_address; 451 }; 452 453 /* Values for start_method above */ 454 455 #define ACPI_TPM2_NOT_ALLOWED 0 456 #define ACPI_TPM2_RESERVED1 1 457 #define ACPI_TPM2_START_METHOD 2 458 #define ACPI_TPM2_RESERVED3 3 459 #define ACPI_TPM2_RESERVED4 4 460 #define ACPI_TPM2_RESERVED5 5 461 #define ACPI_TPM2_MEMORY_MAPPED 6 462 #define ACPI_TPM2_COMMAND_BUFFER 7 463 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8 464 #define ACPI_TPM2_RESERVED9 9 465 #define ACPI_TPM2_RESERVED10 10 466 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */ 467 #define ACPI_TPM2_RESERVED 12 468 #define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13 469 470 /* Optional trailer appears after any start_method subtables */ 471 472 struct acpi_tpm2_trailer { 473 u8 method_parameters[12]; 474 u32 minimum_log_length; /* Minimum length for the event log area */ 475 u64 log_address; /* Address of the event log area */ 476 }; 477 478 /* 479 * Subtables (start_method-specific) 480 */ 481 482 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */ 483 484 struct acpi_tpm2_arm_smc { 485 u32 global_interrupt; 486 u8 interrupt_flags; 487 u8 operation_flags; 488 u16 reserved; 489 u32 function_id; 490 }; 491 492 /* Values for interrupt_flags above */ 493 494 #define ACPI_TPM2_INTERRUPT_SUPPORT (1) 495 496 /* Values for operation_flags above */ 497 498 #define ACPI_TPM2_IDLE_SUPPORT (1) 499 500 /******************************************************************************* 501 * 502 * UEFI - UEFI Boot optimization Table 503 * Version 1 504 * 505 * Conforms to "Unified Extensible Firmware Interface Specification", 506 * Version 2.3, May 8, 2009 507 * 508 ******************************************************************************/ 509 510 struct acpi_table_uefi { 511 struct acpi_table_header header; /* Common ACPI table header */ 512 u8 identifier[16]; /* UUID identifier */ 513 u16 data_offset; /* Offset of remaining data in table */ 514 }; 515 516 /******************************************************************************* 517 * 518 * VIOT - Virtual I/O Translation Table 519 * Version 1 520 * 521 ******************************************************************************/ 522 523 struct acpi_table_viot { 524 struct acpi_table_header header; /* Common ACPI table header */ 525 u16 node_count; 526 u16 node_offset; 527 u8 reserved[8]; 528 }; 529 530 /* VIOT subtable header */ 531 532 struct acpi_viot_header { 533 u8 type; 534 u8 reserved; 535 u16 length; 536 }; 537 538 /* Values for Type field above */ 539 540 enum acpi_viot_node_type { 541 ACPI_VIOT_NODE_PCI_RANGE = 0x01, 542 ACPI_VIOT_NODE_MMIO = 0x02, 543 ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03, 544 ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04, 545 ACPI_VIOT_RESERVED = 0x05 546 }; 547 548 /* VIOT subtables */ 549 550 struct acpi_viot_pci_range { 551 struct acpi_viot_header header; 552 u32 endpoint_start; 553 u16 segment_start; 554 u16 segment_end; 555 u16 bdf_start; 556 u16 bdf_end; 557 u16 output_node; 558 u8 reserved[6]; 559 }; 560 561 struct acpi_viot_mmio { 562 struct acpi_viot_header header; 563 u32 endpoint; 564 u64 base_address; 565 u16 output_node; 566 u8 reserved[6]; 567 }; 568 569 struct acpi_viot_virtio_iommu_pci { 570 struct acpi_viot_header header; 571 u16 segment; 572 u16 bdf; 573 u8 reserved[8]; 574 }; 575 576 struct acpi_viot_virtio_iommu_mmio { 577 struct acpi_viot_header header; 578 u8 reserved[4]; 579 u64 base_address; 580 }; 581 582 /******************************************************************************* 583 * 584 * WAET - Windows ACPI Emulated devices Table 585 * Version 1 586 * 587 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009 588 * 589 ******************************************************************************/ 590 591 struct acpi_table_waet { 592 struct acpi_table_header header; /* Common ACPI table header */ 593 u32 flags; 594 }; 595 596 /* Masks for Flags field above */ 597 598 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */ 599 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */ 600 601 /******************************************************************************* 602 * 603 * WDAT - Watchdog Action Table 604 * Version 1 605 * 606 * Conforms to "Hardware Watchdog Timers Design Specification", 607 * Copyright 2006 Microsoft Corporation. 608 * 609 ******************************************************************************/ 610 611 struct acpi_table_wdat { 612 struct acpi_table_header header; /* Common ACPI table header */ 613 u32 header_length; /* Watchdog Header Length */ 614 u16 pci_segment; /* PCI Segment number */ 615 u8 pci_bus; /* PCI Bus number */ 616 u8 pci_device; /* PCI Device number */ 617 u8 pci_function; /* PCI Function number */ 618 u8 reserved[3]; 619 u32 timer_period; /* Period of one timer count (msec) */ 620 u32 max_count; /* Maximum counter value supported */ 621 u32 min_count; /* Minimum counter value */ 622 u8 flags; 623 u8 reserved2[3]; 624 u32 entries; /* Number of watchdog entries that follow */ 625 }; 626 627 /* Masks for Flags field above */ 628 629 #define ACPI_WDAT_ENABLED (1) 630 #define ACPI_WDAT_STOPPED 0x80 631 632 /* WDAT Instruction Entries (actions) */ 633 634 struct acpi_wdat_entry { 635 u8 action; 636 u8 instruction; 637 u16 reserved; 638 struct acpi_generic_address register_region; 639 u32 value; /* Value used with Read/Write register */ 640 u32 mask; /* Bitmask required for this register instruction */ 641 }; 642 643 /* Values for Action field above */ 644 645 enum acpi_wdat_actions { 646 ACPI_WDAT_RESET = 1, 647 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4, 648 ACPI_WDAT_GET_COUNTDOWN = 5, 649 ACPI_WDAT_SET_COUNTDOWN = 6, 650 ACPI_WDAT_GET_RUNNING_STATE = 8, 651 ACPI_WDAT_SET_RUNNING_STATE = 9, 652 ACPI_WDAT_GET_STOPPED_STATE = 10, 653 ACPI_WDAT_SET_STOPPED_STATE = 11, 654 ACPI_WDAT_GET_REBOOT = 16, 655 ACPI_WDAT_SET_REBOOT = 17, 656 ACPI_WDAT_GET_SHUTDOWN = 18, 657 ACPI_WDAT_SET_SHUTDOWN = 19, 658 ACPI_WDAT_GET_STATUS = 32, 659 ACPI_WDAT_SET_STATUS = 33, 660 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */ 661 }; 662 663 /* Values for Instruction field above */ 664 665 enum acpi_wdat_instructions { 666 ACPI_WDAT_READ_VALUE = 0, 667 ACPI_WDAT_READ_COUNTDOWN = 1, 668 ACPI_WDAT_WRITE_VALUE = 2, 669 ACPI_WDAT_WRITE_COUNTDOWN = 3, 670 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */ 671 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */ 672 }; 673 674 /******************************************************************************* 675 * 676 * WDDT - Watchdog Descriptor Table 677 * Version 1 678 * 679 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", 680 * Version 001, September 2002 681 * 682 ******************************************************************************/ 683 684 struct acpi_table_wddt { 685 struct acpi_table_header header; /* Common ACPI table header */ 686 u16 spec_version; 687 u16 table_version; 688 u16 pci_vendor_id; 689 struct acpi_generic_address address; 690 u16 max_count; /* Maximum counter value supported */ 691 u16 min_count; /* Minimum counter value supported */ 692 u16 period; 693 u16 status; 694 u16 capability; 695 }; 696 697 /* Flags for Status field above */ 698 699 #define ACPI_WDDT_AVAILABLE (1) 700 #define ACPI_WDDT_ACTIVE (1<<1) 701 #define ACPI_WDDT_TCO_OS_OWNED (1<<2) 702 #define ACPI_WDDT_USER_RESET (1<<11) 703 #define ACPI_WDDT_WDT_RESET (1<<12) 704 #define ACPI_WDDT_POWER_FAIL (1<<13) 705 #define ACPI_WDDT_UNKNOWN_RESET (1<<14) 706 707 /* Flags for Capability field above */ 708 709 #define ACPI_WDDT_AUTO_RESET (1) 710 #define ACPI_WDDT_ALERT_SUPPORT (1<<1) 711 712 /******************************************************************************* 713 * 714 * WDRT - Watchdog Resource Table 715 * Version 1 716 * 717 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003", 718 * Version 1.01, August 28, 2006 719 * 720 ******************************************************************************/ 721 722 struct acpi_table_wdrt { 723 struct acpi_table_header header; /* Common ACPI table header */ 724 struct acpi_generic_address control_register; 725 struct acpi_generic_address count_register; 726 u16 pci_device_id; 727 u16 pci_vendor_id; 728 u8 pci_bus; /* PCI Bus number */ 729 u8 pci_device; /* PCI Device number */ 730 u8 pci_function; /* PCI Function number */ 731 u8 pci_segment; /* PCI Segment number */ 732 u16 max_count; /* Maximum counter value supported */ 733 u8 units; 734 }; 735 736 /******************************************************************************* 737 * 738 * WPBT - Windows Platform Environment Table (ACPI 6.0) 739 * Version 1 740 * 741 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011 742 * 743 ******************************************************************************/ 744 745 struct acpi_table_wpbt { 746 struct acpi_table_header header; /* Common ACPI table header */ 747 u32 handoff_size; 748 u64 handoff_address; 749 u8 layout; 750 u8 type; 751 u16 arguments_length; 752 }; 753 754 struct acpi_wpbt_unicode { 755 u16 *unicode_string; 756 }; 757 758 /******************************************************************************* 759 * 760 * WSMT - Windows SMM Security Mitigations Table 761 * Version 1 762 * 763 * Conforms to "Windows SMM Security Mitigations Table", 764 * Version 1.0, April 18, 2016 765 * 766 ******************************************************************************/ 767 768 struct acpi_table_wsmt { 769 struct acpi_table_header header; /* Common ACPI table header */ 770 u32 protection_flags; 771 }; 772 773 /* Flags for protection_flags field above */ 774 775 #define ACPI_WSMT_FIXED_COMM_BUFFERS (1) 776 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2) 777 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4) 778 779 /******************************************************************************* 780 * 781 * XENV - Xen Environment Table (ACPI 6.0) 782 * Version 1 783 * 784 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015 785 * 786 ******************************************************************************/ 787 788 struct acpi_table_xenv { 789 struct acpi_table_header header; /* Common ACPI table header */ 790 u64 grant_table_address; 791 u64 grant_table_size; 792 u32 event_interrupt; 793 u8 event_flags; 794 }; 795 796 /* Reset to default packing */ 797 798 #pragma pack() 799 800 #endif /* __ACTBL3_H__ */ 801