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 - 2020, 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_VRTC "VRTC" /* Virtual Real Time Clock 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[1]; /* 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_RESERVED = 6 /* 5 and greater are reserved */ 195 }; 196 197 /* 198 * SRAT Subtables, correspond to Type in struct acpi_subtable_header 199 */ 200 201 /* 0: Processor Local APIC/SAPIC Affinity */ 202 203 struct acpi_srat_cpu_affinity { 204 struct acpi_subtable_header header; 205 u8 proximity_domain_lo; 206 u8 apic_id; 207 u32 flags; 208 u8 local_sapic_eid; 209 u8 proximity_domain_hi[3]; 210 u32 clock_domain; 211 }; 212 213 /* Flags */ 214 215 #define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */ 216 217 /* 1: Memory Affinity */ 218 219 struct acpi_srat_mem_affinity { 220 struct acpi_subtable_header header; 221 u32 proximity_domain; 222 u16 reserved; /* Reserved, must be zero */ 223 u64 base_address; 224 u64 length; 225 u32 reserved1; 226 u32 flags; 227 u64 reserved2; /* Reserved, must be zero */ 228 }; 229 230 /* Flags */ 231 232 #define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */ 233 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */ 234 #define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */ 235 236 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */ 237 238 struct acpi_srat_x2apic_cpu_affinity { 239 struct acpi_subtable_header header; 240 u16 reserved; /* Reserved, must be zero */ 241 u32 proximity_domain; 242 u32 apic_id; 243 u32 flags; 244 u32 clock_domain; 245 u32 reserved2; 246 }; 247 248 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */ 249 250 #define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */ 251 252 /* 3: GICC Affinity (ACPI 5.1) */ 253 254 struct acpi_srat_gicc_affinity { 255 struct acpi_subtable_header header; 256 u32 proximity_domain; 257 u32 acpi_processor_uid; 258 u32 flags; 259 u32 clock_domain; 260 }; 261 262 /* Flags for struct acpi_srat_gicc_affinity */ 263 264 #define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */ 265 266 /* 4: GCC ITS Affinity (ACPI 6.2) */ 267 268 struct acpi_srat_gic_its_affinity { 269 struct acpi_subtable_header header; 270 u32 proximity_domain; 271 u16 reserved; 272 u32 its_id; 273 }; 274 275 /* 5: Generic Initiator Affinity Structure (ACPI 6.3) */ 276 277 struct acpi_srat_generic_affinity { 278 struct acpi_subtable_header header; 279 u8 reserved; 280 u8 device_handle_type; 281 u32 proximity_domain; 282 u8 device_handle[16]; 283 u32 flags; 284 u32 reserved1; 285 }; 286 287 /* Flags for struct acpi_srat_generic_affinity */ 288 289 #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */ 290 291 /******************************************************************************* 292 * 293 * STAO - Status Override Table (_STA override) - ACPI 6.0 294 * Version 1 295 * 296 * Conforms to "ACPI Specification for Status Override Table" 297 * 6 January 2015 298 * 299 ******************************************************************************/ 300 301 struct acpi_table_stao { 302 struct acpi_table_header header; /* Common ACPI table header */ 303 u8 ignore_uart; 304 }; 305 306 /******************************************************************************* 307 * 308 * TCPA - Trusted Computing Platform Alliance table 309 * Version 2 310 * 311 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers 312 * 313 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 314 * Version 1.2, Revision 8 315 * February 27, 2017 316 * 317 * NOTE: There are two versions of the table with the same signature -- 318 * the client version and the server version. The common platform_class 319 * field is used to differentiate the two types of tables. 320 * 321 ******************************************************************************/ 322 323 struct acpi_table_tcpa_hdr { 324 struct acpi_table_header header; /* Common ACPI table header */ 325 u16 platform_class; 326 }; 327 328 /* 329 * Values for platform_class above. 330 * This is how the client and server subtables are differentiated 331 */ 332 #define ACPI_TCPA_CLIENT_TABLE 0 333 #define ACPI_TCPA_SERVER_TABLE 1 334 335 struct acpi_table_tcpa_client { 336 u32 minimum_log_length; /* Minimum length for the event log area */ 337 u64 log_address; /* Address of the event log area */ 338 }; 339 340 struct acpi_table_tcpa_server { 341 u16 reserved; 342 u64 minimum_log_length; /* Minimum length for the event log area */ 343 u64 log_address; /* Address of the event log area */ 344 u16 spec_revision; 345 u8 device_flags; 346 u8 interrupt_flags; 347 u8 gpe_number; 348 u8 reserved2[3]; 349 u32 global_interrupt; 350 struct acpi_generic_address address; 351 u32 reserved3; 352 struct acpi_generic_address config_address; 353 u8 group; 354 u8 bus; /* PCI Bus/Segment/Function numbers */ 355 u8 device; 356 u8 function; 357 }; 358 359 /* Values for device_flags above */ 360 361 #define ACPI_TCPA_PCI_DEVICE (1) 362 #define ACPI_TCPA_BUS_PNP (1<<1) 363 #define ACPI_TCPA_ADDRESS_VALID (1<<2) 364 365 /* Values for interrupt_flags above */ 366 367 #define ACPI_TCPA_INTERRUPT_MODE (1) 368 #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1) 369 #define ACPI_TCPA_SCI_VIA_GPE (1<<2) 370 #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3) 371 372 /******************************************************************************* 373 * 374 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table 375 * Version 4 376 * 377 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers 378 * 379 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", 380 * Version 1.2, Revision 8 381 * February 27, 2017 382 * 383 ******************************************************************************/ 384 385 /* Revision 3 */ 386 387 struct acpi_table_tpm23 { 388 struct acpi_table_header header; /* Common ACPI table header */ 389 u32 reserved; 390 u64 control_address; 391 u32 start_method; 392 }; 393 394 /* Value for start_method above */ 395 396 #define ACPI_TPM23_ACPI_START_METHOD 2 397 398 /* 399 * Optional trailer for revision 3. If start method is 2, there is a 4 byte 400 * reserved area of all zeros. 401 */ 402 struct acpi_tmp23_trailer { 403 u32 reserved; 404 }; 405 406 /* Revision 4 */ 407 408 struct acpi_table_tpm2 { 409 struct acpi_table_header header; /* Common ACPI table header */ 410 u16 platform_class; 411 u16 reserved; 412 u64 control_address; 413 u32 start_method; 414 415 /* Platform-specific data follows */ 416 }; 417 418 /* Optional trailer for revision 4 holding platform-specific data */ 419 struct acpi_tpm2_phy { 420 u8 start_method_specific[12]; 421 u32 log_area_minimum_length; 422 u64 log_area_start_address; 423 }; 424 425 /* Values for start_method above */ 426 427 #define ACPI_TPM2_NOT_ALLOWED 0 428 #define ACPI_TPM2_RESERVED1 1 429 #define ACPI_TPM2_START_METHOD 2 430 #define ACPI_TPM2_RESERVED3 3 431 #define ACPI_TPM2_RESERVED4 4 432 #define ACPI_TPM2_RESERVED5 5 433 #define ACPI_TPM2_MEMORY_MAPPED 6 434 #define ACPI_TPM2_COMMAND_BUFFER 7 435 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8 436 #define ACPI_TPM2_RESERVED9 9 437 #define ACPI_TPM2_RESERVED10 10 438 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */ 439 #define ACPI_TPM2_RESERVED 12 440 441 /* Optional trailer appears after any start_method subtables */ 442 443 struct acpi_tpm2_trailer { 444 u8 method_parameters[12]; 445 u32 minimum_log_length; /* Minimum length for the event log area */ 446 u64 log_address; /* Address of the event log area */ 447 }; 448 449 /* 450 * Subtables (start_method-specific) 451 */ 452 453 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */ 454 455 struct acpi_tpm2_arm_smc { 456 u32 global_interrupt; 457 u8 interrupt_flags; 458 u8 operation_flags; 459 u16 reserved; 460 u32 function_id; 461 }; 462 463 /* Values for interrupt_flags above */ 464 465 #define ACPI_TPM2_INTERRUPT_SUPPORT (1) 466 467 /* Values for operation_flags above */ 468 469 #define ACPI_TPM2_IDLE_SUPPORT (1) 470 471 /******************************************************************************* 472 * 473 * UEFI - UEFI Boot optimization Table 474 * Version 1 475 * 476 * Conforms to "Unified Extensible Firmware Interface Specification", 477 * Version 2.3, May 8, 2009 478 * 479 ******************************************************************************/ 480 481 struct acpi_table_uefi { 482 struct acpi_table_header header; /* Common ACPI table header */ 483 u8 identifier[16]; /* UUID identifier */ 484 u16 data_offset; /* Offset of remaining data in table */ 485 }; 486 487 /******************************************************************************* 488 * 489 * VRTC - Virtual Real Time Clock Table 490 * Version 1 491 * 492 * Conforms to "Simple Firmware Interface Specification", 493 * Draft 0.8.2, Oct 19, 2010 494 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table. 495 * 496 ******************************************************************************/ 497 498 struct acpi_table_vrtc { 499 struct acpi_table_header header; /* Common ACPI table header */ 500 }; 501 502 /* VRTC entry */ 503 504 struct acpi_vrtc_entry { 505 struct acpi_generic_address physical_address; 506 u32 irq; 507 }; 508 509 /******************************************************************************* 510 * 511 * WAET - Windows ACPI Emulated devices Table 512 * Version 1 513 * 514 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009 515 * 516 ******************************************************************************/ 517 518 struct acpi_table_waet { 519 struct acpi_table_header header; /* Common ACPI table header */ 520 u32 flags; 521 }; 522 523 /* Masks for Flags field above */ 524 525 #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */ 526 #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */ 527 528 /******************************************************************************* 529 * 530 * WDAT - Watchdog Action Table 531 * Version 1 532 * 533 * Conforms to "Hardware Watchdog Timers Design Specification", 534 * Copyright 2006 Microsoft Corporation. 535 * 536 ******************************************************************************/ 537 538 struct acpi_table_wdat { 539 struct acpi_table_header header; /* Common ACPI table header */ 540 u32 header_length; /* Watchdog Header Length */ 541 u16 pci_segment; /* PCI Segment number */ 542 u8 pci_bus; /* PCI Bus number */ 543 u8 pci_device; /* PCI Device number */ 544 u8 pci_function; /* PCI Function number */ 545 u8 reserved[3]; 546 u32 timer_period; /* Period of one timer count (msec) */ 547 u32 max_count; /* Maximum counter value supported */ 548 u32 min_count; /* Minimum counter value */ 549 u8 flags; 550 u8 reserved2[3]; 551 u32 entries; /* Number of watchdog entries that follow */ 552 }; 553 554 /* Masks for Flags field above */ 555 556 #define ACPI_WDAT_ENABLED (1) 557 #define ACPI_WDAT_STOPPED 0x80 558 559 /* WDAT Instruction Entries (actions) */ 560 561 struct acpi_wdat_entry { 562 u8 action; 563 u8 instruction; 564 u16 reserved; 565 struct acpi_generic_address register_region; 566 u32 value; /* Value used with Read/Write register */ 567 u32 mask; /* Bitmask required for this register instruction */ 568 }; 569 570 /* Values for Action field above */ 571 572 enum acpi_wdat_actions { 573 ACPI_WDAT_RESET = 1, 574 ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4, 575 ACPI_WDAT_GET_COUNTDOWN = 5, 576 ACPI_WDAT_SET_COUNTDOWN = 6, 577 ACPI_WDAT_GET_RUNNING_STATE = 8, 578 ACPI_WDAT_SET_RUNNING_STATE = 9, 579 ACPI_WDAT_GET_STOPPED_STATE = 10, 580 ACPI_WDAT_SET_STOPPED_STATE = 11, 581 ACPI_WDAT_GET_REBOOT = 16, 582 ACPI_WDAT_SET_REBOOT = 17, 583 ACPI_WDAT_GET_SHUTDOWN = 18, 584 ACPI_WDAT_SET_SHUTDOWN = 19, 585 ACPI_WDAT_GET_STATUS = 32, 586 ACPI_WDAT_SET_STATUS = 33, 587 ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */ 588 }; 589 590 /* Values for Instruction field above */ 591 592 enum acpi_wdat_instructions { 593 ACPI_WDAT_READ_VALUE = 0, 594 ACPI_WDAT_READ_COUNTDOWN = 1, 595 ACPI_WDAT_WRITE_VALUE = 2, 596 ACPI_WDAT_WRITE_COUNTDOWN = 3, 597 ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */ 598 ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */ 599 }; 600 601 /******************************************************************************* 602 * 603 * WDDT - Watchdog Descriptor Table 604 * Version 1 605 * 606 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", 607 * Version 001, September 2002 608 * 609 ******************************************************************************/ 610 611 struct acpi_table_wddt { 612 struct acpi_table_header header; /* Common ACPI table header */ 613 u16 spec_version; 614 u16 table_version; 615 u16 pci_vendor_id; 616 struct acpi_generic_address address; 617 u16 max_count; /* Maximum counter value supported */ 618 u16 min_count; /* Minimum counter value supported */ 619 u16 period; 620 u16 status; 621 u16 capability; 622 }; 623 624 /* Flags for Status field above */ 625 626 #define ACPI_WDDT_AVAILABLE (1) 627 #define ACPI_WDDT_ACTIVE (1<<1) 628 #define ACPI_WDDT_TCO_OS_OWNED (1<<2) 629 #define ACPI_WDDT_USER_RESET (1<<11) 630 #define ACPI_WDDT_WDT_RESET (1<<12) 631 #define ACPI_WDDT_POWER_FAIL (1<<13) 632 #define ACPI_WDDT_UNKNOWN_RESET (1<<14) 633 634 /* Flags for Capability field above */ 635 636 #define ACPI_WDDT_AUTO_RESET (1) 637 #define ACPI_WDDT_ALERT_SUPPORT (1<<1) 638 639 /******************************************************************************* 640 * 641 * WDRT - Watchdog Resource Table 642 * Version 1 643 * 644 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003", 645 * Version 1.01, August 28, 2006 646 * 647 ******************************************************************************/ 648 649 struct acpi_table_wdrt { 650 struct acpi_table_header header; /* Common ACPI table header */ 651 struct acpi_generic_address control_register; 652 struct acpi_generic_address count_register; 653 u16 pci_device_id; 654 u16 pci_vendor_id; 655 u8 pci_bus; /* PCI Bus number */ 656 u8 pci_device; /* PCI Device number */ 657 u8 pci_function; /* PCI Function number */ 658 u8 pci_segment; /* PCI Segment number */ 659 u16 max_count; /* Maximum counter value supported */ 660 u8 units; 661 }; 662 663 /******************************************************************************* 664 * 665 * WPBT - Windows Platform Environment Table (ACPI 6.0) 666 * Version 1 667 * 668 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011 669 * 670 ******************************************************************************/ 671 672 struct acpi_table_wpbt { 673 struct acpi_table_header header; /* Common ACPI table header */ 674 u32 handoff_size; 675 u64 handoff_address; 676 u8 layout; 677 u8 type; 678 u16 arguments_length; 679 }; 680 681 /******************************************************************************* 682 * 683 * WSMT - Windows SMM Security Mitigations Table 684 * Version 1 685 * 686 * Conforms to "Windows SMM Security Mitigations Table", 687 * Version 1.0, April 18, 2016 688 * 689 ******************************************************************************/ 690 691 struct acpi_table_wsmt { 692 struct acpi_table_header header; /* Common ACPI table header */ 693 u32 protection_flags; 694 }; 695 696 /* Flags for protection_flags field above */ 697 698 #define ACPI_WSMT_FIXED_COMM_BUFFERS (1) 699 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2) 700 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4) 701 702 /******************************************************************************* 703 * 704 * XENV - Xen Environment Table (ACPI 6.0) 705 * Version 1 706 * 707 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015 708 * 709 ******************************************************************************/ 710 711 struct acpi_table_xenv { 712 struct acpi_table_header header; /* Common ACPI table header */ 713 u64 grant_table_address; 714 u64 grant_table_size; 715 u32 event_interrupt; 716 u8 event_flags; 717 }; 718 719 /* Reset to default packing */ 720 721 #pragma pack() 722 723 #endif /* __ACTBL3_H__ */ 724