include/acpi/actbl3.h

   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 - 2018, 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 Migrations 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_RESERVED = 5     /* 5 and greater are reserved */
 194 };
 195
 196 /*
 197  * SRAT Subtables, correspond to Type in struct acpi_subtable_header
 198  */
 199
 200 /* 0: Processor Local APIC/SAPIC Affinity */
 201
 202 struct acpi_srat_cpu_affinity {
 203         struct acpi_subtable_header header;
 204         u8 proximity_domain_lo;
 205         u8 apic_id;
 206         u32 flags;
 207         u8 local_sapic_eid;
 208         u8 proximity_domain_hi[3];
 209         u32 clock_domain;
 210 };
 211
 212 /* Flags */
 213
 214 #define ACPI_SRAT_CPU_USE_AFFINITY  (1) /* 00: Use affinity structure */
 215
 216 /* 1: Memory Affinity */
 217
 218 struct acpi_srat_mem_affinity {
 219         struct acpi_subtable_header header;
 220         u32 proximity_domain;
 221         u16 reserved;           /* Reserved, must be zero */
 222         u64 base_address;
 223         u64 length;
 224         u32 reserved1;
 225         u32 flags;
 226         u64 reserved2;          /* Reserved, must be zero */
 227 };
 228
 229 /* Flags */
 230
 231 #define ACPI_SRAT_MEM_ENABLED       (1) /* 00: Use affinity structure */
 232 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)      /* 01: Memory region is hot pluggable */
 233 #define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)      /* 02: Memory region is non-volatile */
 234
 235 /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */
 236
 237 struct acpi_srat_x2apic_cpu_affinity {
 238         struct acpi_subtable_header header;
 239         u16 reserved;           /* Reserved, must be zero */
 240         u32 proximity_domain;
 241         u32 apic_id;
 242         u32 flags;
 243         u32 clock_domain;
 244         u32 reserved2;
 245 };
 246
 247 /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
 248
 249 #define ACPI_SRAT_CPU_ENABLED       (1) /* 00: Use affinity structure */
 250
 251 /* 3: GICC Affinity (ACPI 5.1) */
 252
 253 struct acpi_srat_gicc_affinity {
 254         struct acpi_subtable_header header;
 255         u32 proximity_domain;
 256         u32 acpi_processor_uid;
 257         u32 flags;
 258         u32 clock_domain;
 259 };
 260
 261 /* Flags for struct acpi_srat_gicc_affinity */
 262
 263 #define ACPI_SRAT_GICC_ENABLED     (1)  /* 00: Use affinity structure */
 264
 265 /* 4: GCC ITS Affinity (ACPI 6.2) */
 266
 267 struct acpi_srat_gic_its_affinity {
 268         struct acpi_subtable_header header;
 269         u32 proximity_domain;
 270         u16 reserved;
 271         u32 its_id;
 272 };
 273
 274 /*******************************************************************************
 275  *
 276  * STAO - Status Override Table (_STA override) - ACPI 6.0
 277  *        Version 1
 278  *
 279  * Conforms to "ACPI Specification for Status Override Table"
 280  * 6 January 2015
 281  *
 282  ******************************************************************************/
 283
 284 struct acpi_table_stao {
 285         struct acpi_table_header header;        /* Common ACPI table header */
 286         u8 ignore_uart;
 287 };
 288
 289 /*******************************************************************************
 290  *
 291  * TCPA - Trusted Computing Platform Alliance table
 292  *        Version 2
 293  *
 294  * TCG Hardware Interface Table for TPM 1.2 Clients and Servers
 295  *
 296  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
 297  * Version 1.2, Revision 8
 298  * February 27, 2017
 299  *
 300  * NOTE: There are two versions of the table with the same signature --
 301  * the client version and the server version. The common platform_class
 302  * field is used to differentiate the two types of tables.
 303  *
 304  ******************************************************************************/
 305
 306 struct acpi_table_tcpa_hdr {
 307         struct acpi_table_header header;        /* Common ACPI table header */
 308         u16 platform_class;
 309 };
 310
 311 /*
 312  * Values for platform_class above.
 313  * This is how the client and server subtables are differentiated
 314  */
 315 #define ACPI_TCPA_CLIENT_TABLE          0
 316 #define ACPI_TCPA_SERVER_TABLE          1
 317
 318 struct acpi_table_tcpa_client {
 319         u32 minimum_log_length; /* Minimum length for the event log area */
 320         u64 log_address;        /* Address of the event log area */
 321 };
 322
 323 struct acpi_table_tcpa_server {
 324         u16 reserved;
 325         u64 minimum_log_length; /* Minimum length for the event log area */
 326         u64 log_address;        /* Address of the event log area */
 327         u16 spec_revision;
 328         u8 device_flags;
 329         u8 interrupt_flags;
 330         u8 gpe_number;
 331         u8 reserved2[3];
 332         u32 global_interrupt;
 333         struct acpi_generic_address address;
 334         u32 reserved3;
 335         struct acpi_generic_address config_address;
 336         u8 group;
 337         u8 bus;                 /* PCI Bus/Segment/Function numbers */
 338         u8 device;
 339         u8 function;
 340 };
 341
 342 /* Values for device_flags above */
 343
 344 #define ACPI_TCPA_PCI_DEVICE            (1)
 345 #define ACPI_TCPA_BUS_PNP               (1<<1)
 346 #define ACPI_TCPA_ADDRESS_VALID         (1<<2)
 347
 348 /* Values for interrupt_flags above */
 349
 350 #define ACPI_TCPA_INTERRUPT_MODE        (1)
 351 #define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
 352 #define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
 353 #define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)
 354
 355 /*******************************************************************************
 356  *
 357  * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
 358  *        Version 4
 359  *
 360  * TCG Hardware Interface Table for TPM 2.0 Clients and Servers
 361  *
 362  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
 363  * Version 1.2, Revision 8
 364  * February 27, 2017
 365  *
 366  ******************************************************************************/
 367
 368 struct acpi_table_tpm2 {
 369         struct acpi_table_header header;        /* Common ACPI table header */
 370         u16 platform_class;
 371         u16 reserved;
 372         u64 control_address;
 373         u32 start_method;
 374
 375         /* Platform-specific data follows */
 376 };
 377
 378 /* Values for start_method above */
 379
 380 #define ACPI_TPM2_NOT_ALLOWED                       0
 381 #define ACPI_TPM2_RESERVED1                         1
 382 #define ACPI_TPM2_START_METHOD                      2
 383 #define ACPI_TPM2_RESERVED3                         3
 384 #define ACPI_TPM2_RESERVED4                         4
 385 #define ACPI_TPM2_RESERVED5                         5
 386 #define ACPI_TPM2_MEMORY_MAPPED                     6
 387 #define ACPI_TPM2_COMMAND_BUFFER                    7
 388 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
 389 #define ACPI_TPM2_RESERVED9                         9
 390 #define ACPI_TPM2_RESERVED10                        10
 391 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC       11  /* V1.2 Rev 8 */
 392 #define ACPI_TPM2_RESERVED                          12
 393
 394 /* Optional trailer appears after any start_method subtables */
 395
 396 struct acpi_tpm2_trailer {
 397         u8 method_parameters[12];
 398         u32 minimum_log_length; /* Minimum length for the event log area */
 399         u64 log_address;        /* Address of the event log area */
 400 };
 401
 402 /*
 403  * Subtables (start_method-specific)
 404  */
 405
 406 /* 11: Start Method for ARM SMC (V1.2 Rev 8) */
 407
 408 struct acpi_tpm2_arm_smc {
 409         u32 global_interrupt;
 410         u8 interrupt_flags;
 411         u8 operation_flags;
 412         u16 reserved;
 413         u32 function_id;
 414 };
 415
 416 /* Values for interrupt_flags above */
 417
 418 #define ACPI_TPM2_INTERRUPT_SUPPORT     (1)
 419
 420 /* Values for operation_flags above */
 421
 422 #define ACPI_TPM2_IDLE_SUPPORT          (1)
 423
 424 /*******************************************************************************
 425  *
 426  * UEFI - UEFI Boot optimization Table
 427  *        Version 1
 428  *
 429  * Conforms to "Unified Extensible Firmware Interface Specification",
 430  * Version 2.3, May 8, 2009
 431  *
 432  ******************************************************************************/
 433
 434 struct acpi_table_uefi {
 435         struct acpi_table_header header;        /* Common ACPI table header */
 436         u8 identifier[16];      /* UUID identifier */
 437         u16 data_offset;        /* Offset of remaining data in table */
 438 };
 439
 440 /*******************************************************************************
 441  *
 442  * VRTC - Virtual Real Time Clock Table
 443  *        Version 1
 444  *
 445  * Conforms to "Simple Firmware Interface Specification",
 446  * Draft 0.8.2, Oct 19, 2010
 447  * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
 448  *
 449  ******************************************************************************/
 450
 451 struct acpi_table_vrtc {
 452         struct acpi_table_header header;        /* Common ACPI table header */
 453 };
 454
 455 /* VRTC entry */
 456
 457 struct acpi_vrtc_entry {
 458         struct acpi_generic_address physical_address;
 459         u32 irq;
 460 };
 461
 462 /*******************************************************************************
 463  *
 464  * WAET - Windows ACPI Emulated devices Table
 465  *        Version 1
 466  *
 467  * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
 468  *
 469  ******************************************************************************/
 470
 471 struct acpi_table_waet {
 472         struct acpi_table_header header;        /* Common ACPI table header */
 473         u32 flags;
 474 };
 475
 476 /* Masks for Flags field above */
 477
 478 #define ACPI_WAET_RTC_NO_ACK        (1) /* RTC requires no int acknowledge */
 479 #define ACPI_WAET_TIMER_ONE_READ    (1<<1)      /* PM timer requires only one read */
 480
 481 /*******************************************************************************
 482  *
 483  * WDAT - Watchdog Action Table
 484  *        Version 1
 485  *
 486  * Conforms to "Hardware Watchdog Timers Design Specification",
 487  * Copyright 2006 Microsoft Corporation.
 488  *
 489  ******************************************************************************/
 490
 491 struct acpi_table_wdat {
 492         struct acpi_table_header header;        /* Common ACPI table header */
 493         u32 header_length;      /* Watchdog Header Length */
 494         u16 pci_segment;        /* PCI Segment number */
 495         u8 pci_bus;             /* PCI Bus number */
 496         u8 pci_device;          /* PCI Device number */
 497         u8 pci_function;        /* PCI Function number */
 498         u8 reserved[3];
 499         u32 timer_period;       /* Period of one timer count (msec) */
 500         u32 max_count;          /* Maximum counter value supported */
 501         u32 min_count;          /* Minimum counter value */
 502         u8 flags;
 503         u8 reserved2[3];
 504         u32 entries;            /* Number of watchdog entries that follow */
 505 };
 506
 507 /* Masks for Flags field above */
 508
 509 #define ACPI_WDAT_ENABLED           (1)
 510 #define ACPI_WDAT_STOPPED           0x80
 511
 512 /* WDAT Instruction Entries (actions) */
 513
 514 struct acpi_wdat_entry {
 515         u8 action;
 516         u8 instruction;
 517         u16 reserved;
 518         struct acpi_generic_address register_region;
 519         u32 value;              /* Value used with Read/Write register */
 520         u32 mask;               /* Bitmask required for this register instruction */
 521 };
 522
 523 /* Values for Action field above */
 524
 525 enum acpi_wdat_actions {
 526         ACPI_WDAT_RESET = 1,
 527         ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
 528         ACPI_WDAT_GET_COUNTDOWN = 5,
 529         ACPI_WDAT_SET_COUNTDOWN = 6,
 530         ACPI_WDAT_GET_RUNNING_STATE = 8,
 531         ACPI_WDAT_SET_RUNNING_STATE = 9,
 532         ACPI_WDAT_GET_STOPPED_STATE = 10,
 533         ACPI_WDAT_SET_STOPPED_STATE = 11,
 534         ACPI_WDAT_GET_REBOOT = 16,
 535         ACPI_WDAT_SET_REBOOT = 17,
 536         ACPI_WDAT_GET_SHUTDOWN = 18,
 537         ACPI_WDAT_SET_SHUTDOWN = 19,
 538         ACPI_WDAT_GET_STATUS = 32,
 539         ACPI_WDAT_SET_STATUS = 33,
 540         ACPI_WDAT_ACTION_RESERVED = 34  /* 34 and greater are reserved */
 541 };
 542
 543 /* Values for Instruction field above */
 544
 545 enum acpi_wdat_instructions {
 546         ACPI_WDAT_READ_VALUE = 0,
 547         ACPI_WDAT_READ_COUNTDOWN = 1,
 548         ACPI_WDAT_WRITE_VALUE = 2,
 549         ACPI_WDAT_WRITE_COUNTDOWN = 3,
 550         ACPI_WDAT_INSTRUCTION_RESERVED = 4,     /* 4 and greater are reserved */
 551         ACPI_WDAT_PRESERVE_REGISTER = 0x80      /* Except for this value */
 552 };
 553
 554 /*******************************************************************************
 555  *
 556  * WDDT - Watchdog Descriptor Table
 557  *        Version 1
 558  *
 559  * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
 560  * Version 001, September 2002
 561  *
 562  ******************************************************************************/
 563
 564 struct acpi_table_wddt {
 565         struct acpi_table_header header;        /* Common ACPI table header */
 566         u16 spec_version;
 567         u16 table_version;
 568         u16 pci_vendor_id;
 569         struct acpi_generic_address address;
 570         u16 max_count;          /* Maximum counter value supported */
 571         u16 min_count;          /* Minimum counter value supported */
 572         u16 period;
 573         u16 status;
 574         u16 capability;
 575 };
 576
 577 /* Flags for Status field above */
 578
 579 #define ACPI_WDDT_AVAILABLE     (1)
 580 #define ACPI_WDDT_ACTIVE        (1<<1)
 581 #define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
 582 #define ACPI_WDDT_USER_RESET    (1<<11)
 583 #define ACPI_WDDT_WDT_RESET     (1<<12)
 584 #define ACPI_WDDT_POWER_FAIL    (1<<13)
 585 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
 586
 587 /* Flags for Capability field above */
 588
 589 #define ACPI_WDDT_AUTO_RESET    (1)
 590 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
 591
 592 /*******************************************************************************
 593  *
 594  * WDRT - Watchdog Resource Table
 595  *        Version 1
 596  *
 597  * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
 598  * Version 1.01, August 28, 2006
 599  *
 600  ******************************************************************************/
 601
 602 struct acpi_table_wdrt {
 603         struct acpi_table_header header;        /* Common ACPI table header */
 604         struct acpi_generic_address control_register;
 605         struct acpi_generic_address count_register;
 606         u16 pci_device_id;
 607         u16 pci_vendor_id;
 608         u8 pci_bus;             /* PCI Bus number */
 609         u8 pci_device;          /* PCI Device number */
 610         u8 pci_function;        /* PCI Function number */
 611         u8 pci_segment;         /* PCI Segment number */
 612         u16 max_count;          /* Maximum counter value supported */
 613         u8 units;
 614 };
 615
 616 /*******************************************************************************
 617  *
 618  * WPBT - Windows Platform Environment Table (ACPI 6.0)
 619  *        Version 1
 620  *
 621  * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011
 622  *
 623  ******************************************************************************/
 624
 625 struct acpi_table_wpbt {
 626         struct acpi_table_header header;        /* Common ACPI table header */
 627         u32 handoff_size;
 628         u64 handoff_address;
 629         u8 layout;
 630         u8 type;
 631         u16 arguments_length;
 632 };
 633
 634 /*******************************************************************************
 635  *
 636  * WSMT - Windows SMM Security Migrations Table
 637  *        Version 1
 638  *
 639  * Conforms to "Windows SMM Security Migrations Table",
 640  * Version 1.0, April 18, 2016
 641  *
 642  ******************************************************************************/
 643
 644 struct acpi_table_wsmt {
 645         struct acpi_table_header header;        /* Common ACPI table header */
 646         u32 protection_flags;
 647 };
 648
 649 /* Flags for protection_flags field above */
 650
 651 #define ACPI_WSMT_FIXED_COMM_BUFFERS                (1)
 652 #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2)
 653 #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION        (4)
 654
 655 /*******************************************************************************
 656  *
 657  * XENV - Xen Environment Table (ACPI 6.0)
 658  *        Version 1
 659  *
 660  * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015
 661  *
 662  ******************************************************************************/
 663
 664 struct acpi_table_xenv {
 665         struct acpi_table_header header;        /* Common ACPI table header */
 666         u64 grant_table_address;
 667         u64 grant_table_size;
 668         u32 event_interrupt;
 669         u8 event_flags;
 670 };
 671
 672 /* Reset to default packing */
 673
 674 #pragma pack()
 675
 676 #endif                          /* __ACTBL3_H__ */