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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */2/******************************************************************************3 *4 * Name: actbl3.h - ACPI Table Definitions5 *6 * Copyright (C) 2000 - 2023, Intel Corp.7 *8 *****************************************************************************/9 10#ifndef __ACTBL3_H__11#define __ACTBL3_H__12 13/*******************************************************************************14 *15 * Additional ACPI Tables16 *17 * These tables are not consumed directly by the ACPICA subsystem, but are18 * 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 this24 * file. Useful because they make it more difficult to inadvertently type in25 * 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, since48 * 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 language56 * does not specify the layout of bitfields in memory, which means they are57 * essentially useless for dealing with packed data in on-disk formats or58 * 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 order60 * and stuck with it." Norman Ramsey.61 * See http://stackoverflow.com/a/1053662/4166162 */63 64/*******************************************************************************65 *66 * SLIC - Software Licensing Description Table67 *68 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",69 * November 29, 2011. Copyright 2011 Microsoft70 *71 ******************************************************************************/72 73/* Basic SLIC table is only the common ACPI header */74 75struct acpi_table_slic {76 struct acpi_table_header header; /* Common ACPI table header */77};78 79/*******************************************************************************80 *81 * SLIT - System Locality Distance Information Table82 * Version 183 *84 ******************************************************************************/85 86struct acpi_table_slit {87 struct acpi_table_header header; /* Common ACPI table header */88 u64 locality_count;89 u8 entry[]; /* Real size = localities^2 */90};91 92/*******************************************************************************93 *94 * SPCR - Serial Port Console Redirection table95 * Version 496 *97 * Conforms to "Serial Port Console Redirection Table",98 * Version 1.10, Jan 5, 202399 *100 ******************************************************************************/101 102struct acpi_table_spcr {103 struct acpi_table_header header; /* Common ACPI table header */104 u8 interface_type; /* 0=full 16550, 1=subset of 16550 */105 u8 reserved[3];106 struct acpi_generic_address serial_port;107 u8 interrupt_type;108 u8 pc_interrupt;109 u32 interrupt;110 u8 baud_rate;111 u8 parity;112 u8 stop_bits;113 u8 flow_control;114 u8 terminal_type;115 u8 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 table139 * Version 5140 *141 * Conforms to "Intelligent Platform Management Interface Specification142 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with143 * June 12, 2009 markup.144 *145 ******************************************************************************/146 147struct 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 167enum 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 Table179 * Version 3180 *181 ******************************************************************************/182 183struct 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 191enum 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_header205 */206 207/* 0: Processor Local APIC/SAPIC Affinity */208 209struct 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 225struct 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 244struct 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 260struct 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 274struct 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_AFFINITY284 * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY285 */286 287#define ACPI_SRAT_DEVICE_HANDLE_SIZE 16288 289struct 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 306struct 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 6.0322 * Version 1323 *324 * Conforms to "ACPI Specification for Status Override Table"325 * 6 January 2015326 *327 ******************************************************************************/328 329struct 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 table337 * Version 2338 *339 * TCG Hardware Interface Table for TPM 1.2 Clients and Servers340 *341 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",342 * Version 1.2, Revision 8343 * February 27, 2017344 *345 * NOTE: There are two versions of the table with the same signature --346 * the client version and the server version. The common platform_class347 * field is used to differentiate the two types of tables.348 *349 ******************************************************************************/350 351struct 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 differentiated359 */360#define ACPI_TCPA_CLIENT_TABLE 0361#define ACPI_TCPA_SERVER_TABLE 1362 363struct 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 368struct 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 Table403 * Version 4404 *405 * TCG Hardware Interface Table for TPM 2.0 Clients and Servers406 *407 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",408 * Version 1.2, Revision 8409 * February 27, 2017410 *411 ******************************************************************************/412 413/* Revision 3 */414 415struct 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 2425 426/*427 * Optional trailer for revision 3. If start method is 2, there is a 4 byte428 * reserved area of all zeros.429 */430struct acpi_tmp23_trailer {431 u32 reserved;432};433 434/* Revision 4 */435 436struct 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 */447struct 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 0456#define ACPI_TPM2_RESERVED1 1457#define ACPI_TPM2_START_METHOD 2458#define ACPI_TPM2_RESERVED3 3459#define ACPI_TPM2_RESERVED4 4460#define ACPI_TPM2_RESERVED5 5461#define ACPI_TPM2_MEMORY_MAPPED 6462#define ACPI_TPM2_COMMAND_BUFFER 7463#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8464#define ACPI_TPM2_RESERVED9 9465#define ACPI_TPM2_RESERVED10 10466#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */467#define ACPI_TPM2_RESERVED 12468#define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13469 470/* Optional trailer appears after any start_method subtables */471 472struct 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 484struct 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 Table503 * Version 1504 *505 * Conforms to "Unified Extensible Firmware Interface Specification",506 * Version 2.3, May 8, 2009507 *508 ******************************************************************************/509 510struct 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 Table519 * Version 1520 *521 ******************************************************************************/522 523struct 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 532struct acpi_viot_header {533 u8 type;534 u8 reserved;535 u16 length;536};537 538/* Values for Type field above */539 540enum 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 = 0x05546};547 548/* VIOT subtables */549 550struct 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 561struct 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 569struct acpi_viot_virtio_iommu_pci {570 struct acpi_viot_header header;571 u16 segment;572 u16 bdf;573 u8 reserved[8];574};575 576struct 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 Table585 * Version 1586 *587 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009588 *589 ******************************************************************************/590 591struct 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 Table604 * Version 1605 *606 * Conforms to "Hardware Watchdog Timers Design Specification",607 * Copyright 2006 Microsoft Corporation.608 *609 ******************************************************************************/610 611struct 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 0x80631 632/* WDAT Instruction Entries (actions) */633 634struct 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 645enum 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 665enum 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 Table677 * Version 1678 *679 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",680 * Version 001, September 2002681 *682 ******************************************************************************/683 684struct 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 Table715 * Version 1716 *717 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",718 * Version 1.01, August 28, 2006719 *720 ******************************************************************************/721 722struct 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 1740 *741 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011742 *743 ******************************************************************************/744 745struct 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 754struct acpi_wpbt_unicode {755 u16 *unicode_string;756};757 758/*******************************************************************************759 *760 * WSMT - Windows SMM Security Mitigations Table761 * Version 1762 *763 * Conforms to "Windows SMM Security Mitigations Table",764 * Version 1.0, April 18, 2016765 *766 ******************************************************************************/767 768struct 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 1783 *784 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015785 *786 ******************************************************************************/787 788struct 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