linux/include/acpi/actbl2.h
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   1/******************************************************************************
   2 *
   3 * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2017, Intel Corp.
   9 * All rights reserved.
  10 *
  11 * Redistribution and use in source and binary forms, with or without
  12 * modification, are permitted provided that the following conditions
  13 * are met:
  14 * 1. Redistributions of source code must retain the above copyright
  15 *    notice, this list of conditions, and the following disclaimer,
  16 *    without modification.
  17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18 *    substantially similar to the "NO WARRANTY" disclaimer below
  19 *    ("Disclaimer") and any redistribution must be conditioned upon
  20 *    including a substantially similar Disclaimer requirement for further
  21 *    binary redistribution.
  22 * 3. Neither the names of the above-listed copyright holders nor the names
  23 *    of any contributors may be used to endorse or promote products derived
  24 *    from this software without specific prior written permission.
  25 *
  26 * Alternatively, this software may be distributed under the terms of the
  27 * GNU General Public License ("GPL") version 2 as published by the Free
  28 * Software Foundation.
  29 *
  30 * NO WARRANTY
  31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41 * POSSIBILITY OF SUCH DAMAGES.
  42 */
  43
  44#ifndef __ACTBL2_H__
  45#define __ACTBL2_H__
  46
  47/*******************************************************************************
  48 *
  49 * Additional ACPI Tables (2)
  50 *
  51 * These tables are not consumed directly by the ACPICA subsystem, but are
  52 * included here to support device drivers and the AML disassembler.
  53 *
  54 * Generally, the tables in this file are defined by third-party specifications,
  55 * and are not defined directly by the ACPI specification itself.
  56 *
  57 ******************************************************************************/
  58
  59/*
  60 * Values for description table header signatures for tables defined in this
  61 * file. Useful because they make it more difficult to inadvertently type in
  62 * the wrong signature.
  63 */
  64#define ACPI_SIG_ASF            "ASF!"  /* Alert Standard Format table */
  65#define ACPI_SIG_BOOT           "BOOT"  /* Simple Boot Flag Table */
  66#define ACPI_SIG_CSRT           "CSRT"  /* Core System Resource Table */
  67#define ACPI_SIG_DBG2           "DBG2"  /* Debug Port table type 2 */
  68#define ACPI_SIG_DBGP           "DBGP"  /* Debug Port table */
  69#define ACPI_SIG_DMAR           "DMAR"  /* DMA Remapping table */
  70#define ACPI_SIG_HPET           "HPET"  /* High Precision Event Timer table */
  71#define ACPI_SIG_IBFT           "IBFT"  /* iSCSI Boot Firmware Table */
  72#define ACPI_SIG_IORT           "IORT"  /* IO Remapping Table */
  73#define ACPI_SIG_IVRS           "IVRS"  /* I/O Virtualization Reporting Structure */
  74#define ACPI_SIG_LPIT           "LPIT"  /* Low Power Idle Table */
  75#define ACPI_SIG_MCFG           "MCFG"  /* PCI Memory Mapped Configuration table */
  76#define ACPI_SIG_MCHI           "MCHI"  /* Management Controller Host Interface table */
  77#define ACPI_SIG_MSDM           "MSDM"  /* Microsoft Data Management Table */
  78#define ACPI_SIG_MTMR           "MTMR"  /* MID Timer table */
  79#define ACPI_SIG_SLIC           "SLIC"  /* Software Licensing Description Table */
  80#define ACPI_SIG_SPCR           "SPCR"  /* Serial Port Console Redirection table */
  81#define ACPI_SIG_SPMI           "SPMI"  /* Server Platform Management Interface table */
  82#define ACPI_SIG_TCPA           "TCPA"  /* Trusted Computing Platform Alliance table */
  83#define ACPI_SIG_TPM2           "TPM2"  /* Trusted Platform Module 2.0 H/W interface table */
  84#define ACPI_SIG_UEFI           "UEFI"  /* Uefi Boot Optimization Table */
  85#define ACPI_SIG_VRTC           "VRTC"  /* Virtual Real Time Clock Table */
  86#define ACPI_SIG_WAET           "WAET"  /* Windows ACPI Emulated devices Table */
  87#define ACPI_SIG_WDAT           "WDAT"  /* Watchdog Action Table */
  88#define ACPI_SIG_WDDT           "WDDT"  /* Watchdog Timer Description Table */
  89#define ACPI_SIG_WDRT           "WDRT"  /* Watchdog Resource Table */
  90
  91#ifdef ACPI_UNDEFINED_TABLES
  92/*
  93 * These tables have been seen in the field, but no definition has been found
  94 */
  95#define ACPI_SIG_ATKG           "ATKG"
  96#define ACPI_SIG_GSCI           "GSCI"  /* GMCH SCI table */
  97#define ACPI_SIG_IEIT           "IEIT"
  98#endif
  99
 100/*
 101 * All tables must be byte-packed to match the ACPI specification, since
 102 * the tables are provided by the system BIOS.
 103 */
 104#pragma pack(1)
 105
 106/*
 107 * Note: C bitfields are not used for this reason:
 108 *
 109 * "Bitfields are great and easy to read, but unfortunately the C language
 110 * does not specify the layout of bitfields in memory, which means they are
 111 * essentially useless for dealing with packed data in on-disk formats or
 112 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
 113 * this decision was a design error in C. Ritchie could have picked an order
 114 * and stuck with it." Norman Ramsey.
 115 * See http://stackoverflow.com/a/1053662/41661
 116 */
 117
 118/*******************************************************************************
 119 *
 120 * ASF - Alert Standard Format table (Signature "ASF!")
 121 *       Revision 0x10
 122 *
 123 * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
 124 *
 125 ******************************************************************************/
 126
 127struct acpi_table_asf {
 128        struct acpi_table_header header;        /* Common ACPI table header */
 129};
 130
 131/* ASF subtable header */
 132
 133struct acpi_asf_header {
 134        u8 type;
 135        u8 reserved;
 136        u16 length;
 137};
 138
 139/* Values for Type field above */
 140
 141enum acpi_asf_type {
 142        ACPI_ASF_TYPE_INFO = 0,
 143        ACPI_ASF_TYPE_ALERT = 1,
 144        ACPI_ASF_TYPE_CONTROL = 2,
 145        ACPI_ASF_TYPE_BOOT = 3,
 146        ACPI_ASF_TYPE_ADDRESS = 4,
 147        ACPI_ASF_TYPE_RESERVED = 5
 148};
 149
 150/*
 151 * ASF subtables
 152 */
 153
 154/* 0: ASF Information */
 155
 156struct acpi_asf_info {
 157        struct acpi_asf_header header;
 158        u8 min_reset_value;
 159        u8 min_poll_interval;
 160        u16 system_id;
 161        u32 mfg_id;
 162        u8 flags;
 163        u8 reserved2[3];
 164};
 165
 166/* Masks for Flags field above */
 167
 168#define ACPI_ASF_SMBUS_PROTOCOLS    (1)
 169
 170/* 1: ASF Alerts */
 171
 172struct acpi_asf_alert {
 173        struct acpi_asf_header header;
 174        u8 assert_mask;
 175        u8 deassert_mask;
 176        u8 alerts;
 177        u8 data_length;
 178};
 179
 180struct acpi_asf_alert_data {
 181        u8 address;
 182        u8 command;
 183        u8 mask;
 184        u8 value;
 185        u8 sensor_type;
 186        u8 type;
 187        u8 offset;
 188        u8 source_type;
 189        u8 severity;
 190        u8 sensor_number;
 191        u8 entity;
 192        u8 instance;
 193};
 194
 195/* 2: ASF Remote Control */
 196
 197struct acpi_asf_remote {
 198        struct acpi_asf_header header;
 199        u8 controls;
 200        u8 data_length;
 201        u16 reserved2;
 202};
 203
 204struct acpi_asf_control_data {
 205        u8 function;
 206        u8 address;
 207        u8 command;
 208        u8 value;
 209};
 210
 211/* 3: ASF RMCP Boot Options */
 212
 213struct acpi_asf_rmcp {
 214        struct acpi_asf_header header;
 215        u8 capabilities[7];
 216        u8 completion_code;
 217        u32 enterprise_id;
 218        u8 command;
 219        u16 parameter;
 220        u16 boot_options;
 221        u16 oem_parameters;
 222};
 223
 224/* 4: ASF Address */
 225
 226struct acpi_asf_address {
 227        struct acpi_asf_header header;
 228        u8 eprom_address;
 229        u8 devices;
 230};
 231
 232/*******************************************************************************
 233 *
 234 * BOOT - Simple Boot Flag Table
 235 *        Version 1
 236 *
 237 * Conforms to the "Simple Boot Flag Specification", Version 2.1
 238 *
 239 ******************************************************************************/
 240
 241struct acpi_table_boot {
 242        struct acpi_table_header header;        /* Common ACPI table header */
 243        u8 cmos_index;          /* Index in CMOS RAM for the boot register */
 244        u8 reserved[3];
 245};
 246
 247/*******************************************************************************
 248 *
 249 * CSRT - Core System Resource Table
 250 *        Version 0
 251 *
 252 * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011
 253 *
 254 ******************************************************************************/
 255
 256struct acpi_table_csrt {
 257        struct acpi_table_header header;        /* Common ACPI table header */
 258};
 259
 260/* Resource Group subtable */
 261
 262struct acpi_csrt_group {
 263        u32 length;
 264        u32 vendor_id;
 265        u32 subvendor_id;
 266        u16 device_id;
 267        u16 subdevice_id;
 268        u16 revision;
 269        u16 reserved;
 270        u32 shared_info_length;
 271
 272        /* Shared data immediately follows (Length = shared_info_length) */
 273};
 274
 275/* Shared Info subtable */
 276
 277struct acpi_csrt_shared_info {
 278        u16 major_version;
 279        u16 minor_version;
 280        u32 mmio_base_low;
 281        u32 mmio_base_high;
 282        u32 gsi_interrupt;
 283        u8 interrupt_polarity;
 284        u8 interrupt_mode;
 285        u8 num_channels;
 286        u8 dma_address_width;
 287        u16 base_request_line;
 288        u16 num_handshake_signals;
 289        u32 max_block_size;
 290
 291        /* Resource descriptors immediately follow (Length = Group length - shared_info_length) */
 292};
 293
 294/* Resource Descriptor subtable */
 295
 296struct acpi_csrt_descriptor {
 297        u32 length;
 298        u16 type;
 299        u16 subtype;
 300        u32 uid;
 301
 302        /* Resource-specific information immediately follows */
 303};
 304
 305/* Resource Types */
 306
 307#define ACPI_CSRT_TYPE_INTERRUPT    0x0001
 308#define ACPI_CSRT_TYPE_TIMER        0x0002
 309#define ACPI_CSRT_TYPE_DMA          0x0003
 310
 311/* Resource Subtypes */
 312
 313#define ACPI_CSRT_XRUPT_LINE        0x0000
 314#define ACPI_CSRT_XRUPT_CONTROLLER  0x0001
 315#define ACPI_CSRT_TIMER             0x0000
 316#define ACPI_CSRT_DMA_CHANNEL       0x0000
 317#define ACPI_CSRT_DMA_CONTROLLER    0x0001
 318
 319/*******************************************************************************
 320 *
 321 * DBG2 - Debug Port Table 2
 322 *        Version 0 (Both main table and subtables)
 323 *
 324 * Conforms to "Microsoft Debug Port Table 2 (DBG2)", December 10, 2015
 325 *
 326 ******************************************************************************/
 327
 328struct acpi_table_dbg2 {
 329        struct acpi_table_header header;        /* Common ACPI table header */
 330        u32 info_offset;
 331        u32 info_count;
 332};
 333
 334struct acpi_dbg2_header {
 335        u32 info_offset;
 336        u32 info_count;
 337};
 338
 339/* Debug Device Information Subtable */
 340
 341struct acpi_dbg2_device {
 342        u8 revision;
 343        u16 length;
 344        u8 register_count;      /* Number of base_address registers */
 345        u16 namepath_length;
 346        u16 namepath_offset;
 347        u16 oem_data_length;
 348        u16 oem_data_offset;
 349        u16 port_type;
 350        u16 port_subtype;
 351        u16 reserved;
 352        u16 base_address_offset;
 353        u16 address_size_offset;
 354        /*
 355         * Data that follows:
 356         *    base_address (required) - Each in 12-byte Generic Address Structure format.
 357         *    address_size (required) - Array of u32 sizes corresponding to each base_address register.
 358         *    Namepath    (required) - Null terminated string. Single dot if not supported.
 359         *    oem_data    (optional) - Length is oem_data_length.
 360         */
 361};
 362
 363/* Types for port_type field above */
 364
 365#define ACPI_DBG2_SERIAL_PORT       0x8000
 366#define ACPI_DBG2_1394_PORT         0x8001
 367#define ACPI_DBG2_USB_PORT          0x8002
 368#define ACPI_DBG2_NET_PORT          0x8003
 369
 370/* Subtypes for port_subtype field above */
 371
 372#define ACPI_DBG2_16550_COMPATIBLE  0x0000
 373#define ACPI_DBG2_16550_SUBSET      0x0001
 374#define ACPI_DBG2_ARM_PL011         0x0003
 375#define ACPI_DBG2_ARM_SBSA_32BIT    0x000D
 376#define ACPI_DBG2_ARM_SBSA_GENERIC  0x000E
 377#define ACPI_DBG2_ARM_DCC           0x000F
 378#define ACPI_DBG2_BCM2835           0x0010
 379
 380#define ACPI_DBG2_1394_STANDARD     0x0000
 381
 382#define ACPI_DBG2_USB_XHCI          0x0000
 383#define ACPI_DBG2_USB_EHCI          0x0001
 384
 385/*******************************************************************************
 386 *
 387 * DBGP - Debug Port table
 388 *        Version 1
 389 *
 390 * Conforms to the "Debug Port Specification", Version 1.00, 2/9/2000
 391 *
 392 ******************************************************************************/
 393
 394struct acpi_table_dbgp {
 395        struct acpi_table_header header;        /* Common ACPI table header */
 396        u8 type;                /* 0=full 16550, 1=subset of 16550 */
 397        u8 reserved[3];
 398        struct acpi_generic_address debug_port;
 399};
 400
 401/*******************************************************************************
 402 *
 403 * DMAR - DMA Remapping table
 404 *        Version 1
 405 *
 406 * Conforms to "Intel Virtualization Technology for Directed I/O",
 407 * Version 2.3, October 2014
 408 *
 409 ******************************************************************************/
 410
 411struct acpi_table_dmar {
 412        struct acpi_table_header header;        /* Common ACPI table header */
 413        u8 width;               /* Host Address Width */
 414        u8 flags;
 415        u8 reserved[10];
 416};
 417
 418/* Masks for Flags field above */
 419
 420#define ACPI_DMAR_INTR_REMAP        (1)
 421#define ACPI_DMAR_X2APIC_OPT_OUT    (1<<1)
 422#define ACPI_DMAR_X2APIC_MODE       (1<<2)
 423
 424/* DMAR subtable header */
 425
 426struct acpi_dmar_header {
 427        u16 type;
 428        u16 length;
 429};
 430
 431/* Values for subtable type in struct acpi_dmar_header */
 432
 433enum acpi_dmar_type {
 434        ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
 435        ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
 436        ACPI_DMAR_TYPE_ROOT_ATS = 2,
 437        ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,
 438        ACPI_DMAR_TYPE_NAMESPACE = 4,
 439        ACPI_DMAR_TYPE_RESERVED = 5     /* 5 and greater are reserved */
 440};
 441
 442/* DMAR Device Scope structure */
 443
 444struct acpi_dmar_device_scope {
 445        u8 entry_type;
 446        u8 length;
 447        u16 reserved;
 448        u8 enumeration_id;
 449        u8 bus;
 450};
 451
 452/* Values for entry_type in struct acpi_dmar_device_scope - device types */
 453
 454enum acpi_dmar_scope_type {
 455        ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
 456        ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
 457        ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
 458        ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3,
 459        ACPI_DMAR_SCOPE_TYPE_HPET = 4,
 460        ACPI_DMAR_SCOPE_TYPE_NAMESPACE = 5,
 461        ACPI_DMAR_SCOPE_TYPE_RESERVED = 6       /* 6 and greater are reserved */
 462};
 463
 464struct acpi_dmar_pci_path {
 465        u8 device;
 466        u8 function;
 467};
 468
 469/*
 470 * DMAR Subtables, correspond to Type in struct acpi_dmar_header
 471 */
 472
 473/* 0: Hardware Unit Definition */
 474
 475struct acpi_dmar_hardware_unit {
 476        struct acpi_dmar_header header;
 477        u8 flags;
 478        u8 reserved;
 479        u16 segment;
 480        u64 address;            /* Register Base Address */
 481};
 482
 483/* Masks for Flags field above */
 484
 485#define ACPI_DMAR_INCLUDE_ALL       (1)
 486
 487/* 1: Reserved Memory Defininition */
 488
 489struct acpi_dmar_reserved_memory {
 490        struct acpi_dmar_header header;
 491        u16 reserved;
 492        u16 segment;
 493        u64 base_address;       /* 4K aligned base address */
 494        u64 end_address;        /* 4K aligned limit address */
 495};
 496
 497/* Masks for Flags field above */
 498
 499#define ACPI_DMAR_ALLOW_ALL         (1)
 500
 501/* 2: Root Port ATS Capability Reporting Structure */
 502
 503struct acpi_dmar_atsr {
 504        struct acpi_dmar_header header;
 505        u8 flags;
 506        u8 reserved;
 507        u16 segment;
 508};
 509
 510/* Masks for Flags field above */
 511
 512#define ACPI_DMAR_ALL_PORTS         (1)
 513
 514/* 3: Remapping Hardware Static Affinity Structure */
 515
 516struct acpi_dmar_rhsa {
 517        struct acpi_dmar_header header;
 518        u32 reserved;
 519        u64 base_address;
 520        u32 proximity_domain;
 521};
 522
 523/* 4: ACPI Namespace Device Declaration Structure */
 524
 525struct acpi_dmar_andd {
 526        struct acpi_dmar_header header;
 527        u8 reserved[3];
 528        u8 device_number;
 529        char device_name[1];
 530};
 531
 532/*******************************************************************************
 533 *
 534 * HPET - High Precision Event Timer table
 535 *        Version 1
 536 *
 537 * Conforms to "IA-PC HPET (High Precision Event Timers) Specification",
 538 * Version 1.0a, October 2004
 539 *
 540 ******************************************************************************/
 541
 542struct acpi_table_hpet {
 543        struct acpi_table_header header;        /* Common ACPI table header */
 544        u32 id;                 /* Hardware ID of event timer block */
 545        struct acpi_generic_address address;    /* Address of event timer block */
 546        u8 sequence;            /* HPET sequence number */
 547        u16 minimum_tick;       /* Main counter min tick, periodic mode */
 548        u8 flags;
 549};
 550
 551/* Masks for Flags field above */
 552
 553#define ACPI_HPET_PAGE_PROTECT_MASK (3)
 554
 555/* Values for Page Protect flags */
 556
 557enum acpi_hpet_page_protect {
 558        ACPI_HPET_NO_PAGE_PROTECT = 0,
 559        ACPI_HPET_PAGE_PROTECT4 = 1,
 560        ACPI_HPET_PAGE_PROTECT64 = 2
 561};
 562
 563/*******************************************************************************
 564 *
 565 * IBFT - Boot Firmware Table
 566 *        Version 1
 567 *
 568 * Conforms to "iSCSI Boot Firmware Table (iBFT) as Defined in ACPI 3.0b
 569 * Specification", Version 1.01, March 1, 2007
 570 *
 571 * Note: It appears that this table is not intended to appear in the RSDT/XSDT.
 572 * Therefore, it is not currently supported by the disassembler.
 573 *
 574 ******************************************************************************/
 575
 576struct acpi_table_ibft {
 577        struct acpi_table_header header;        /* Common ACPI table header */
 578        u8 reserved[12];
 579};
 580
 581/* IBFT common subtable header */
 582
 583struct acpi_ibft_header {
 584        u8 type;
 585        u8 version;
 586        u16 length;
 587        u8 index;
 588        u8 flags;
 589};
 590
 591/* Values for Type field above */
 592
 593enum acpi_ibft_type {
 594        ACPI_IBFT_TYPE_NOT_USED = 0,
 595        ACPI_IBFT_TYPE_CONTROL = 1,
 596        ACPI_IBFT_TYPE_INITIATOR = 2,
 597        ACPI_IBFT_TYPE_NIC = 3,
 598        ACPI_IBFT_TYPE_TARGET = 4,
 599        ACPI_IBFT_TYPE_EXTENSIONS = 5,
 600        ACPI_IBFT_TYPE_RESERVED = 6     /* 6 and greater are reserved */
 601};
 602
 603/* IBFT subtables */
 604
 605struct acpi_ibft_control {
 606        struct acpi_ibft_header header;
 607        u16 extensions;
 608        u16 initiator_offset;
 609        u16 nic0_offset;
 610        u16 target0_offset;
 611        u16 nic1_offset;
 612        u16 target1_offset;
 613};
 614
 615struct acpi_ibft_initiator {
 616        struct acpi_ibft_header header;
 617        u8 sns_server[16];
 618        u8 slp_server[16];
 619        u8 primary_server[16];
 620        u8 secondary_server[16];
 621        u16 name_length;
 622        u16 name_offset;
 623};
 624
 625struct acpi_ibft_nic {
 626        struct acpi_ibft_header header;
 627        u8 ip_address[16];
 628        u8 subnet_mask_prefix;
 629        u8 origin;
 630        u8 gateway[16];
 631        u8 primary_dns[16];
 632        u8 secondary_dns[16];
 633        u8 dhcp[16];
 634        u16 vlan;
 635        u8 mac_address[6];
 636        u16 pci_address;
 637        u16 name_length;
 638        u16 name_offset;
 639};
 640
 641struct acpi_ibft_target {
 642        struct acpi_ibft_header header;
 643        u8 target_ip_address[16];
 644        u16 target_ip_socket;
 645        u8 target_boot_lun[8];
 646        u8 chap_type;
 647        u8 nic_association;
 648        u16 target_name_length;
 649        u16 target_name_offset;
 650        u16 chap_name_length;
 651        u16 chap_name_offset;
 652        u16 chap_secret_length;
 653        u16 chap_secret_offset;
 654        u16 reverse_chap_name_length;
 655        u16 reverse_chap_name_offset;
 656        u16 reverse_chap_secret_length;
 657        u16 reverse_chap_secret_offset;
 658};
 659
 660/*******************************************************************************
 661 *
 662 * IORT - IO Remapping Table
 663 *
 664 * Conforms to "IO Remapping Table System Software on ARM Platforms",
 665 * Document number: ARM DEN 0049B, October 2015
 666 *
 667 ******************************************************************************/
 668
 669struct acpi_table_iort {
 670        struct acpi_table_header header;
 671        u32 node_count;
 672        u32 node_offset;
 673        u32 reserved;
 674};
 675
 676/*
 677 * IORT subtables
 678 */
 679struct acpi_iort_node {
 680        u8 type;
 681        u16 length;
 682        u8 revision;
 683        u32 reserved;
 684        u32 mapping_count;
 685        u32 mapping_offset;
 686        char node_data[1];
 687};
 688
 689/* Values for subtable Type above */
 690
 691enum acpi_iort_node_type {
 692        ACPI_IORT_NODE_ITS_GROUP = 0x00,
 693        ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 694        ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 695        ACPI_IORT_NODE_SMMU = 0x03,
 696        ACPI_IORT_NODE_SMMU_V3 = 0x04
 697};
 698
 699struct acpi_iort_id_mapping {
 700        u32 input_base;         /* Lowest value in input range */
 701        u32 id_count;           /* Number of IDs */
 702        u32 output_base;        /* Lowest value in output range */
 703        u32 output_reference;   /* A reference to the output node */
 704        u32 flags;
 705};
 706
 707/* Masks for Flags field above for IORT subtable */
 708
 709#define ACPI_IORT_ID_SINGLE_MAPPING (1)
 710
 711struct acpi_iort_memory_access {
 712        u32 cache_coherency;
 713        u8 hints;
 714        u16 reserved;
 715        u8 memory_flags;
 716};
 717
 718/* Values for cache_coherency field above */
 719
 720#define ACPI_IORT_NODE_COHERENT         0x00000001      /* The device node is fully coherent */
 721#define ACPI_IORT_NODE_NOT_COHERENT     0x00000000      /* The device node is not coherent */
 722
 723/* Masks for Hints field above */
 724
 725#define ACPI_IORT_HT_TRANSIENT          (1)
 726#define ACPI_IORT_HT_WRITE              (1<<1)
 727#define ACPI_IORT_HT_READ               (1<<2)
 728#define ACPI_IORT_HT_OVERRIDE           (1<<3)
 729
 730/* Masks for memory_flags field above */
 731
 732#define ACPI_IORT_MF_COHERENCY          (1)
 733#define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
 734
 735/*
 736 * IORT node specific subtables
 737 */
 738struct acpi_iort_its_group {
 739        u32 its_count;
 740        u32 identifiers[1];     /* GIC ITS identifier arrary */
 741};
 742
 743struct acpi_iort_named_component {
 744        u32 node_flags;
 745        u64 memory_properties;  /* Memory access properties */
 746        u8 memory_address_limit;        /* Memory address size limit */
 747        char device_name[1];    /* Path of namespace object */
 748};
 749
 750struct acpi_iort_root_complex {
 751        u64 memory_properties;  /* Memory access properties */
 752        u32 ats_attribute;
 753        u32 pci_segment_number;
 754};
 755
 756/* Values for ats_attribute field above */
 757
 758#define ACPI_IORT_ATS_SUPPORTED         0x00000001      /* The root complex supports ATS */
 759#define ACPI_IORT_ATS_UNSUPPORTED       0x00000000      /* The root complex doesn't support ATS */
 760
 761struct acpi_iort_smmu {
 762        u64 base_address;       /* SMMU base address */
 763        u64 span;               /* Length of memory range */
 764        u32 model;
 765        u32 flags;
 766        u32 global_interrupt_offset;
 767        u32 context_interrupt_count;
 768        u32 context_interrupt_offset;
 769        u32 pmu_interrupt_count;
 770        u32 pmu_interrupt_offset;
 771        u64 interrupts[1];      /* Interrupt array */
 772};
 773
 774/* Values for Model field above */
 775
 776#define ACPI_IORT_SMMU_V1               0x00000000      /* Generic SMMUv1 */
 777#define ACPI_IORT_SMMU_V2               0x00000001      /* Generic SMMUv2 */
 778#define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002      /* ARM Corelink MMU-400 */
 779#define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003      /* ARM Corelink MMU-500 */
 780
 781/* Masks for Flags field above */
 782
 783#define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
 784#define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
 785
 786struct acpi_iort_smmu_v3 {
 787        u64 base_address;       /* SMMUv3 base address */
 788        u32 flags;
 789        u32 reserved;
 790        u64 vatos_address;
 791        u32 model;              /* O: generic SMMUv3 */
 792        u32 event_gsiv;
 793        u32 pri_gsiv;
 794        u32 gerr_gsiv;
 795        u32 sync_gsiv;
 796};
 797
 798/* Masks for Flags field above */
 799
 800#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
 801#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (1<<1)
 802
 803/*******************************************************************************
 804 *
 805 * IVRS - I/O Virtualization Reporting Structure
 806 *        Version 1
 807 *
 808 * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
 809 * Revision 1.26, February 2009.
 810 *
 811 ******************************************************************************/
 812
 813struct acpi_table_ivrs {
 814        struct acpi_table_header header;        /* Common ACPI table header */
 815        u32 info;               /* Common virtualization info */
 816        u64 reserved;
 817};
 818
 819/* Values for Info field above */
 820
 821#define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00  /* 7 bits, physical address size */
 822#define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000  /* 7 bits, virtual address size */
 823#define ACPI_IVRS_ATS_RESERVED      0x00400000  /* ATS address translation range reserved */
 824
 825/* IVRS subtable header */
 826
 827struct acpi_ivrs_header {
 828        u8 type;                /* Subtable type */
 829        u8 flags;
 830        u16 length;             /* Subtable length */
 831        u16 device_id;          /* ID of IOMMU */
 832};
 833
 834/* Values for subtable Type above */
 835
 836enum acpi_ivrs_type {
 837        ACPI_IVRS_TYPE_HARDWARE = 0x10,
 838        ACPI_IVRS_TYPE_MEMORY1 = 0x20,
 839        ACPI_IVRS_TYPE_MEMORY2 = 0x21,
 840        ACPI_IVRS_TYPE_MEMORY3 = 0x22
 841};
 842
 843/* Masks for Flags field above for IVHD subtable */
 844
 845#define ACPI_IVHD_TT_ENABLE         (1)
 846#define ACPI_IVHD_PASS_PW           (1<<1)
 847#define ACPI_IVHD_RES_PASS_PW       (1<<2)
 848#define ACPI_IVHD_ISOC              (1<<3)
 849#define ACPI_IVHD_IOTLB             (1<<4)
 850
 851/* Masks for Flags field above for IVMD subtable */
 852
 853#define ACPI_IVMD_UNITY             (1)
 854#define ACPI_IVMD_READ              (1<<1)
 855#define ACPI_IVMD_WRITE             (1<<2)
 856#define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
 857
 858/*
 859 * IVRS subtables, correspond to Type in struct acpi_ivrs_header
 860 */
 861
 862/* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
 863
 864struct acpi_ivrs_hardware {
 865        struct acpi_ivrs_header header;
 866        u16 capability_offset;  /* Offset for IOMMU control fields */
 867        u64 base_address;       /* IOMMU control registers */
 868        u16 pci_segment_group;
 869        u16 info;               /* MSI number and unit ID */
 870        u32 reserved;
 871};
 872
 873/* Masks for Info field above */
 874
 875#define ACPI_IVHD_MSI_NUMBER_MASK   0x001F      /* 5 bits, MSI message number */
 876#define ACPI_IVHD_UNIT_ID_MASK      0x1F00      /* 5 bits, unit_ID */
 877
 878/*
 879 * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
 880 * Upper two bits of the Type field are the (encoded) length of the structure.
 881 * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
 882 * are reserved for future use but not defined.
 883 */
 884struct acpi_ivrs_de_header {
 885        u8 type;
 886        u16 id;
 887        u8 data_setting;
 888};
 889
 890/* Length of device entry is in the top two bits of Type field above */
 891
 892#define ACPI_IVHD_ENTRY_LENGTH      0xC0
 893
 894/* Values for device entry Type field above */
 895
 896enum acpi_ivrs_device_entry_type {
 897        /* 4-byte device entries, all use struct acpi_ivrs_device4 */
 898
 899        ACPI_IVRS_TYPE_PAD4 = 0,
 900        ACPI_IVRS_TYPE_ALL = 1,
 901        ACPI_IVRS_TYPE_SELECT = 2,
 902        ACPI_IVRS_TYPE_START = 3,
 903        ACPI_IVRS_TYPE_END = 4,
 904
 905        /* 8-byte device entries */
 906
 907        ACPI_IVRS_TYPE_PAD8 = 64,
 908        ACPI_IVRS_TYPE_NOT_USED = 65,
 909        ACPI_IVRS_TYPE_ALIAS_SELECT = 66,       /* Uses struct acpi_ivrs_device8a */
 910        ACPI_IVRS_TYPE_ALIAS_START = 67,        /* Uses struct acpi_ivrs_device8a */
 911        ACPI_IVRS_TYPE_EXT_SELECT = 70, /* Uses struct acpi_ivrs_device8b */
 912        ACPI_IVRS_TYPE_EXT_START = 71,  /* Uses struct acpi_ivrs_device8b */
 913        ACPI_IVRS_TYPE_SPECIAL = 72     /* Uses struct acpi_ivrs_device8c */
 914};
 915
 916/* Values for Data field above */
 917
 918#define ACPI_IVHD_INIT_PASS         (1)
 919#define ACPI_IVHD_EINT_PASS         (1<<1)
 920#define ACPI_IVHD_NMI_PASS          (1<<2)
 921#define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
 922#define ACPI_IVHD_LINT0_PASS        (1<<6)
 923#define ACPI_IVHD_LINT1_PASS        (1<<7)
 924
 925/* Types 0-4: 4-byte device entry */
 926
 927struct acpi_ivrs_device4 {
 928        struct acpi_ivrs_de_header header;
 929};
 930
 931/* Types 66-67: 8-byte device entry */
 932
 933struct acpi_ivrs_device8a {
 934        struct acpi_ivrs_de_header header;
 935        u8 reserved1;
 936        u16 used_id;
 937        u8 reserved2;
 938};
 939
 940/* Types 70-71: 8-byte device entry */
 941
 942struct acpi_ivrs_device8b {
 943        struct acpi_ivrs_de_header header;
 944        u32 extended_data;
 945};
 946
 947/* Values for extended_data above */
 948
 949#define ACPI_IVHD_ATS_DISABLED      (1<<31)
 950
 951/* Type 72: 8-byte device entry */
 952
 953struct acpi_ivrs_device8c {
 954        struct acpi_ivrs_de_header header;
 955        u8 handle;
 956        u16 used_id;
 957        u8 variety;
 958};
 959
 960/* Values for Variety field above */
 961
 962#define ACPI_IVHD_IOAPIC            1
 963#define ACPI_IVHD_HPET              2
 964
 965/* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
 966
 967struct acpi_ivrs_memory {
 968        struct acpi_ivrs_header header;
 969        u16 aux_data;
 970        u64 reserved;
 971        u64 start_address;
 972        u64 memory_length;
 973};
 974
 975/*******************************************************************************
 976 *
 977 * LPIT - Low Power Idle Table
 978 *
 979 * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
 980 *
 981 ******************************************************************************/
 982
 983struct acpi_table_lpit {
 984        struct acpi_table_header header;        /* Common ACPI table header */
 985};
 986
 987/* LPIT subtable header */
 988
 989struct acpi_lpit_header {
 990        u32 type;               /* Subtable type */
 991        u32 length;             /* Subtable length */
 992        u16 unique_id;
 993        u16 reserved;
 994        u32 flags;
 995};
 996
 997/* Values for subtable Type above */
 998
 999enum acpi_lpit_type {
1000        ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
1001        ACPI_LPIT_TYPE_RESERVED = 0x01  /* 1 and above are reserved */
1002};
1003
1004/* Masks for Flags field above  */
1005
1006#define ACPI_LPIT_STATE_DISABLED    (1)
1007#define ACPI_LPIT_NO_COUNTER        (1<<1)
1008
1009/*
1010 * LPIT subtables, correspond to Type in struct acpi_lpit_header
1011 */
1012
1013/* 0x00: Native C-state instruction based LPI structure */
1014
1015struct acpi_lpit_native {
1016        struct acpi_lpit_header header;
1017        struct acpi_generic_address entry_trigger;
1018        u32 residency;
1019        u32 latency;
1020        struct acpi_generic_address residency_counter;
1021        u64 counter_frequency;
1022};
1023
1024/*******************************************************************************
1025 *
1026 * MCFG - PCI Memory Mapped Configuration table and subtable
1027 *        Version 1
1028 *
1029 * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1030 *
1031 ******************************************************************************/
1032
1033struct acpi_table_mcfg {
1034        struct acpi_table_header header;        /* Common ACPI table header */
1035        u8 reserved[8];
1036};
1037
1038/* Subtable */
1039
1040struct acpi_mcfg_allocation {
1041        u64 address;            /* Base address, processor-relative */
1042        u16 pci_segment;        /* PCI segment group number */
1043        u8 start_bus_number;    /* Starting PCI Bus number */
1044        u8 end_bus_number;      /* Final PCI Bus number */
1045        u32 reserved;
1046};
1047
1048/*******************************************************************************
1049 *
1050 * MCHI - Management Controller Host Interface Table
1051 *        Version 1
1052 *
1053 * Conforms to "Management Component Transport Protocol (MCTP) Host
1054 * Interface Specification", Revision 1.0.0a, October 13, 2009
1055 *
1056 ******************************************************************************/
1057
1058struct acpi_table_mchi {
1059        struct acpi_table_header header;        /* Common ACPI table header */
1060        u8 interface_type;
1061        u8 protocol;
1062        u64 protocol_data;
1063        u8 interrupt_type;
1064        u8 gpe;
1065        u8 pci_device_flag;
1066        u32 global_interrupt;
1067        struct acpi_generic_address control_register;
1068        u8 pci_segment;
1069        u8 pci_bus;
1070        u8 pci_device;
1071        u8 pci_function;
1072};
1073
1074/*******************************************************************************
1075 *
1076 * MSDM - Microsoft Data Management table
1077 *
1078 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1079 * November 29, 2011. Copyright 2011 Microsoft
1080 *
1081 ******************************************************************************/
1082
1083/* Basic MSDM table is only the common ACPI header */
1084
1085struct acpi_table_msdm {
1086        struct acpi_table_header header;        /* Common ACPI table header */
1087};
1088
1089/*******************************************************************************
1090 *
1091 * MTMR - MID Timer Table
1092 *        Version 1
1093 *
1094 * Conforms to "Simple Firmware Interface Specification",
1095 * Draft 0.8.2, Oct 19, 2010
1096 * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
1097 *
1098 ******************************************************************************/
1099
1100struct acpi_table_mtmr {
1101        struct acpi_table_header header;        /* Common ACPI table header */
1102};
1103
1104/* MTMR entry */
1105
1106struct acpi_mtmr_entry {
1107        struct acpi_generic_address physical_address;
1108        u32 frequency;
1109        u32 irq;
1110};
1111
1112/*******************************************************************************
1113 *
1114 * SLIC - Software Licensing Description Table
1115 *
1116 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1117 * November 29, 2011. Copyright 2011 Microsoft
1118 *
1119 ******************************************************************************/
1120
1121/* Basic SLIC table is only the common ACPI header */
1122
1123struct acpi_table_slic {
1124        struct acpi_table_header header;        /* Common ACPI table header */
1125};
1126
1127/*******************************************************************************
1128 *
1129 * SPCR - Serial Port Console Redirection table
1130 *        Version 2
1131 *
1132 * Conforms to "Serial Port Console Redirection Table",
1133 * Version 1.03, August 10, 2015
1134 *
1135 ******************************************************************************/
1136
1137struct acpi_table_spcr {
1138        struct acpi_table_header header;        /* Common ACPI table header */
1139        u8 interface_type;      /* 0=full 16550, 1=subset of 16550 */
1140        u8 reserved[3];
1141        struct acpi_generic_address serial_port;
1142        u8 interrupt_type;
1143        u8 pc_interrupt;
1144        u32 interrupt;
1145        u8 baud_rate;
1146        u8 parity;
1147        u8 stop_bits;
1148        u8 flow_control;
1149        u8 terminal_type;
1150        u8 reserved1;
1151        u16 pci_device_id;
1152        u16 pci_vendor_id;
1153        u8 pci_bus;
1154        u8 pci_device;
1155        u8 pci_function;
1156        u32 pci_flags;
1157        u8 pci_segment;
1158        u32 reserved2;
1159};
1160
1161/* Masks for pci_flags field above */
1162
1163#define ACPI_SPCR_DO_NOT_DISABLE    (1)
1164
1165/* Values for Interface Type: See the definition of the DBG2 table */
1166
1167/*******************************************************************************
1168 *
1169 * SPMI - Server Platform Management Interface table
1170 *        Version 5
1171 *
1172 * Conforms to "Intelligent Platform Management Interface Specification
1173 * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
1174 * June 12, 2009 markup.
1175 *
1176 ******************************************************************************/
1177
1178struct acpi_table_spmi {
1179        struct acpi_table_header header;        /* Common ACPI table header */
1180        u8 interface_type;
1181        u8 reserved;            /* Must be 1 */
1182        u16 spec_revision;      /* Version of IPMI */
1183        u8 interrupt_type;
1184        u8 gpe_number;          /* GPE assigned */
1185        u8 reserved1;
1186        u8 pci_device_flag;
1187        u32 interrupt;
1188        struct acpi_generic_address ipmi_register;
1189        u8 pci_segment;
1190        u8 pci_bus;
1191        u8 pci_device;
1192        u8 pci_function;
1193        u8 reserved2;
1194};
1195
1196/* Values for interface_type above */
1197
1198enum acpi_spmi_interface_types {
1199        ACPI_SPMI_NOT_USED = 0,
1200        ACPI_SPMI_KEYBOARD = 1,
1201        ACPI_SPMI_SMI = 2,
1202        ACPI_SPMI_BLOCK_TRANSFER = 3,
1203        ACPI_SPMI_SMBUS = 4,
1204        ACPI_SPMI_RESERVED = 5  /* 5 and above are reserved */
1205};
1206
1207/*******************************************************************************
1208 *
1209 * TCPA - Trusted Computing Platform Alliance table
1210 *        Version 2
1211 *
1212 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1213 * December 19, 2014
1214 *
1215 * NOTE: There are two versions of the table with the same signature --
1216 * the client version and the server version. The common platform_class
1217 * field is used to differentiate the two types of tables.
1218 *
1219 ******************************************************************************/
1220
1221struct acpi_table_tcpa_hdr {
1222        struct acpi_table_header header;        /* Common ACPI table header */
1223        u16 platform_class;
1224};
1225
1226/*
1227 * Values for platform_class above.
1228 * This is how the client and server subtables are differentiated
1229 */
1230#define ACPI_TCPA_CLIENT_TABLE          0
1231#define ACPI_TCPA_SERVER_TABLE          1
1232
1233struct acpi_table_tcpa_client {
1234        u32 minimum_log_length; /* Minimum length for the event log area */
1235        u64 log_address;        /* Address of the event log area */
1236};
1237
1238struct acpi_table_tcpa_server {
1239        u16 reserved;
1240        u64 minimum_log_length; /* Minimum length for the event log area */
1241        u64 log_address;        /* Address of the event log area */
1242        u16 spec_revision;
1243        u8 device_flags;
1244        u8 interrupt_flags;
1245        u8 gpe_number;
1246        u8 reserved2[3];
1247        u32 global_interrupt;
1248        struct acpi_generic_address address;
1249        u32 reserved3;
1250        struct acpi_generic_address config_address;
1251        u8 group;
1252        u8 bus;                 /* PCI Bus/Segment/Function numbers */
1253        u8 device;
1254        u8 function;
1255};
1256
1257/* Values for device_flags above */
1258
1259#define ACPI_TCPA_PCI_DEVICE            (1)
1260#define ACPI_TCPA_BUS_PNP               (1<<1)
1261#define ACPI_TCPA_ADDRESS_VALID         (1<<2)
1262
1263/* Values for interrupt_flags above */
1264
1265#define ACPI_TCPA_INTERRUPT_MODE        (1)
1266#define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
1267#define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
1268#define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)
1269
1270/*******************************************************************************
1271 *
1272 * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
1273 *        Version 4
1274 *
1275 * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1276 * December 19, 2014
1277 *
1278 ******************************************************************************/
1279
1280struct acpi_table_tpm2 {
1281        struct acpi_table_header header;        /* Common ACPI table header */
1282        u16 platform_class;
1283        u16 reserved;
1284        u64 control_address;
1285        u32 start_method;
1286
1287        /* Platform-specific data follows */
1288};
1289
1290/* Values for start_method above */
1291
1292#define ACPI_TPM2_NOT_ALLOWED                       0
1293#define ACPI_TPM2_START_METHOD                      2
1294#define ACPI_TPM2_MEMORY_MAPPED                     6
1295#define ACPI_TPM2_COMMAND_BUFFER                    7
1296#define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
1297
1298/*******************************************************************************
1299 *
1300 * UEFI - UEFI Boot optimization Table
1301 *        Version 1
1302 *
1303 * Conforms to "Unified Extensible Firmware Interface Specification",
1304 * Version 2.3, May 8, 2009
1305 *
1306 ******************************************************************************/
1307
1308struct acpi_table_uefi {
1309        struct acpi_table_header header;        /* Common ACPI table header */
1310        u8 identifier[16];      /* UUID identifier */
1311        u16 data_offset;        /* Offset of remaining data in table */
1312};
1313
1314/*******************************************************************************
1315 *
1316 * VRTC - Virtual Real Time Clock Table
1317 *        Version 1
1318 *
1319 * Conforms to "Simple Firmware Interface Specification",
1320 * Draft 0.8.2, Oct 19, 2010
1321 * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
1322 *
1323 ******************************************************************************/
1324
1325struct acpi_table_vrtc {
1326        struct acpi_table_header header;        /* Common ACPI table header */
1327};
1328
1329/* VRTC entry */
1330
1331struct acpi_vrtc_entry {
1332        struct acpi_generic_address physical_address;
1333        u32 irq;
1334};
1335
1336/*******************************************************************************
1337 *
1338 * WAET - Windows ACPI Emulated devices Table
1339 *        Version 1
1340 *
1341 * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
1342 *
1343 ******************************************************************************/
1344
1345struct acpi_table_waet {
1346        struct acpi_table_header header;        /* Common ACPI table header */
1347        u32 flags;
1348};
1349
1350/* Masks for Flags field above */
1351
1352#define ACPI_WAET_RTC_NO_ACK        (1) /* RTC requires no int acknowledge */
1353#define ACPI_WAET_TIMER_ONE_READ    (1<<1)      /* PM timer requires only one read */
1354
1355/*******************************************************************************
1356 *
1357 * WDAT - Watchdog Action Table
1358 *        Version 1
1359 *
1360 * Conforms to "Hardware Watchdog Timers Design Specification",
1361 * Copyright 2006 Microsoft Corporation.
1362 *
1363 ******************************************************************************/
1364
1365struct acpi_table_wdat {
1366        struct acpi_table_header header;        /* Common ACPI table header */
1367        u32 header_length;      /* Watchdog Header Length */
1368        u16 pci_segment;        /* PCI Segment number */
1369        u8 pci_bus;             /* PCI Bus number */
1370        u8 pci_device;          /* PCI Device number */
1371        u8 pci_function;        /* PCI Function number */
1372        u8 reserved[3];
1373        u32 timer_period;       /* Period of one timer count (msec) */
1374        u32 max_count;          /* Maximum counter value supported */
1375        u32 min_count;          /* Minimum counter value */
1376        u8 flags;
1377        u8 reserved2[3];
1378        u32 entries;            /* Number of watchdog entries that follow */
1379};
1380
1381/* Masks for Flags field above */
1382
1383#define ACPI_WDAT_ENABLED           (1)
1384#define ACPI_WDAT_STOPPED           0x80
1385
1386/* WDAT Instruction Entries (actions) */
1387
1388struct acpi_wdat_entry {
1389        u8 action;
1390        u8 instruction;
1391        u16 reserved;
1392        struct acpi_generic_address register_region;
1393        u32 value;              /* Value used with Read/Write register */
1394        u32 mask;               /* Bitmask required for this register instruction */
1395};
1396
1397/* Values for Action field above */
1398
1399enum acpi_wdat_actions {
1400        ACPI_WDAT_RESET = 1,
1401        ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
1402        ACPI_WDAT_GET_COUNTDOWN = 5,
1403        ACPI_WDAT_SET_COUNTDOWN = 6,
1404        ACPI_WDAT_GET_RUNNING_STATE = 8,
1405        ACPI_WDAT_SET_RUNNING_STATE = 9,
1406        ACPI_WDAT_GET_STOPPED_STATE = 10,
1407        ACPI_WDAT_SET_STOPPED_STATE = 11,
1408        ACPI_WDAT_GET_REBOOT = 16,
1409        ACPI_WDAT_SET_REBOOT = 17,
1410        ACPI_WDAT_GET_SHUTDOWN = 18,
1411        ACPI_WDAT_SET_SHUTDOWN = 19,
1412        ACPI_WDAT_GET_STATUS = 32,
1413        ACPI_WDAT_SET_STATUS = 33,
1414        ACPI_WDAT_ACTION_RESERVED = 34  /* 34 and greater are reserved */
1415};
1416
1417/* Values for Instruction field above */
1418
1419enum acpi_wdat_instructions {
1420        ACPI_WDAT_READ_VALUE = 0,
1421        ACPI_WDAT_READ_COUNTDOWN = 1,
1422        ACPI_WDAT_WRITE_VALUE = 2,
1423        ACPI_WDAT_WRITE_COUNTDOWN = 3,
1424        ACPI_WDAT_INSTRUCTION_RESERVED = 4,     /* 4 and greater are reserved */
1425        ACPI_WDAT_PRESERVE_REGISTER = 0x80      /* Except for this value */
1426};
1427
1428/*******************************************************************************
1429 *
1430 * WDDT - Watchdog Descriptor Table
1431 *        Version 1
1432 *
1433 * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
1434 * Version 001, September 2002
1435 *
1436 ******************************************************************************/
1437
1438struct acpi_table_wddt {
1439        struct acpi_table_header header;        /* Common ACPI table header */
1440        u16 spec_version;
1441        u16 table_version;
1442        u16 pci_vendor_id;
1443        struct acpi_generic_address address;
1444        u16 max_count;          /* Maximum counter value supported */
1445        u16 min_count;          /* Minimum counter value supported */
1446        u16 period;
1447        u16 status;
1448        u16 capability;
1449};
1450
1451/* Flags for Status field above */
1452
1453#define ACPI_WDDT_AVAILABLE     (1)
1454#define ACPI_WDDT_ACTIVE        (1<<1)
1455#define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
1456#define ACPI_WDDT_USER_RESET    (1<<11)
1457#define ACPI_WDDT_WDT_RESET     (1<<12)
1458#define ACPI_WDDT_POWER_FAIL    (1<<13)
1459#define ACPI_WDDT_UNKNOWN_RESET (1<<14)
1460
1461/* Flags for Capability field above */
1462
1463#define ACPI_WDDT_AUTO_RESET    (1)
1464#define ACPI_WDDT_ALERT_SUPPORT (1<<1)
1465
1466/*******************************************************************************
1467 *
1468 * WDRT - Watchdog Resource Table
1469 *        Version 1
1470 *
1471 * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
1472 * Version 1.01, August 28, 2006
1473 *
1474 ******************************************************************************/
1475
1476struct acpi_table_wdrt {
1477        struct acpi_table_header header;        /* Common ACPI table header */
1478        struct acpi_generic_address control_register;
1479        struct acpi_generic_address count_register;
1480        u16 pci_device_id;
1481        u16 pci_vendor_id;
1482        u8 pci_bus;             /* PCI Bus number */
1483        u8 pci_device;          /* PCI Device number */
1484        u8 pci_function;        /* PCI Function number */
1485        u8 pci_segment;         /* PCI Segment number */
1486        u16 max_count;          /* Maximum counter value supported */
1487        u8 units;
1488};
1489
1490/* Reset to default packing */
1491
1492#pragma pack()
1493
1494#endif                          /* __ACTBL2_H__ */
1495