include/acpi/actbl2.h

   1 /******************************************************************************
   2  *
   3  * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, 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
 127 struct acpi_table_asf {
 128         struct acpi_table_header header;        /* Common ACPI table header */
 129 };
 130
 131 /* ASF subtable header */
 132
 133 struct acpi_asf_header {
 134         u8 type;
 135         u8 reserved;
 136         u16 length;
 137 };
 138
 139 /* Values for Type field above */
 140
 141 enum 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
 156 struct 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
 172 struct 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
 180 struct 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
 197 struct acpi_asf_remote {
 198         struct acpi_asf_header header;
 199         u8 controls;
 200         u8 data_length;
 201         u16 reserved2;
 202 };
 203
 204 struct 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
 213 struct 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
 226 struct 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
 241 struct 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
 256 struct acpi_table_csrt {
 257         struct acpi_table_header header;        /* Common ACPI table header */
 258 };
 259
 260 /* Resource Group subtable */
 261
 262 struct 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
 277 struct 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
 296 struct 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)", May 22 2012.
 325  *
 326  ******************************************************************************/
 327
 328 struct acpi_table_dbg2 {
 329         struct acpi_table_header header;        /* Common ACPI table header */
 330         u32 info_offset;
 331         u32 info_count;
 332 };
 333
 334 struct acpi_dbg2_header {
 335         u32 info_offset;
 336         u32 info_count;
 337 };
 338
 339 /* Debug Device Information Subtable */
 340
 341 struct 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
 375 #define ACPI_DBG2_1394_STANDARD     0x0000
 376
 377 #define ACPI_DBG2_USB_XHCI          0x0000
 378 #define ACPI_DBG2_USB_EHCI          0x0001
 379
 380 /*******************************************************************************
 381  *
 382  * DBGP - Debug Port table
 383  *        Version 1
 384  *
 385  * Conforms to the "Debug Port Specification", Version 1.00, 2/9/2000
 386  *
 387  ******************************************************************************/
 388
 389 struct acpi_table_dbgp {
 390         struct acpi_table_header header;        /* Common ACPI table header */
 391         u8 type;                /* 0=full 16550, 1=subset of 16550 */
 392         u8 reserved[3];
 393         struct acpi_generic_address debug_port;
 394 };
 395
 396 /*******************************************************************************
 397  *
 398  * DMAR - DMA Remapping table
 399  *        Version 1
 400  *
 401  * Conforms to "Intel Virtualization Technology for Directed I/O",
 402  * Version 2.2, Sept. 2013
 403  *
 404  ******************************************************************************/
 405
 406 struct acpi_table_dmar {
 407         struct acpi_table_header header;        /* Common ACPI table header */
 408         u8 width;               /* Host Address Width */
 409         u8 flags;
 410         u8 reserved[10];
 411 };
 412
 413 /* Masks for Flags field above */
 414
 415 #define ACPI_DMAR_INTR_REMAP        (1)
 416
 417 /* DMAR subtable header */
 418
 419 struct acpi_dmar_header {
 420         u16 type;
 421         u16 length;
 422 };
 423
 424 /* Values for subtable type in struct acpi_dmar_header */
 425
 426 enum acpi_dmar_type {
 427         ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
 428         ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
 429         ACPI_DMAR_TYPE_ROOT_ATS = 2,
 430         ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,
 431         ACPI_DMAR_TYPE_NAMESPACE = 4,
 432         ACPI_DMAR_TYPE_RESERVED = 5     /* 5 and greater are reserved */
 433 };
 434
 435 /* DMAR Device Scope structure */
 436
 437 struct acpi_dmar_device_scope {
 438         u8 entry_type;
 439         u8 length;
 440         u16 reserved;
 441         u8 enumeration_id;
 442         u8 bus;
 443 };
 444
 445 /* Values for entry_type in struct acpi_dmar_device_scope - device types */
 446
 447 enum acpi_dmar_scope_type {
 448         ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
 449         ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
 450         ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
 451         ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3,
 452         ACPI_DMAR_SCOPE_TYPE_HPET = 4,
 453         ACPI_DMAR_SCOPE_TYPE_NAMESPACE = 5,
 454         ACPI_DMAR_SCOPE_TYPE_RESERVED = 6       /* 6 and greater are reserved */
 455 };
 456
 457 struct acpi_dmar_pci_path {
 458         u8 device;
 459         u8 function;
 460 };
 461
 462 /*
 463  * DMAR Subtables, correspond to Type in struct acpi_dmar_header
 464  */
 465
 466 /* 0: Hardware Unit Definition */
 467
 468 struct acpi_dmar_hardware_unit {
 469         struct acpi_dmar_header header;
 470         u8 flags;
 471         u8 reserved;
 472         u16 segment;
 473         u64 address;            /* Register Base Address */
 474 };
 475
 476 /* Masks for Flags field above */
 477
 478 #define ACPI_DMAR_INCLUDE_ALL       (1)
 479
 480 /* 1: Reserved Memory Defininition */
 481
 482 struct acpi_dmar_reserved_memory {
 483         struct acpi_dmar_header header;
 484         u16 reserved;
 485         u16 segment;
 486         u64 base_address;       /* 4K aligned base address */
 487         u64 end_address;        /* 4K aligned limit address */
 488 };
 489
 490 /* Masks for Flags field above */
 491
 492 #define ACPI_DMAR_ALLOW_ALL         (1)
 493
 494 /* 2: Root Port ATS Capability Reporting Structure */
 495
 496 struct acpi_dmar_atsr {
 497         struct acpi_dmar_header header;
 498         u8 flags;
 499         u8 reserved;
 500         u16 segment;
 501 };
 502
 503 /* Masks for Flags field above */
 504
 505 #define ACPI_DMAR_ALL_PORTS         (1)
 506
 507 /* 3: Remapping Hardware Static Affinity Structure */
 508
 509 struct acpi_dmar_rhsa {
 510         struct acpi_dmar_header header;
 511         u32 reserved;
 512         u64 base_address;
 513         u32 proximity_domain;
 514 };
 515
 516 /* 4: ACPI Namespace Device Declaration Structure */
 517
 518 struct acpi_dmar_andd {
 519         struct acpi_dmar_header header;
 520         u8 reserved[3];
 521         u8 device_number;
 522         char device_name[1];
 523 };
 524
 525 /*******************************************************************************
 526  *
 527  * HPET - High Precision Event Timer table
 528  *        Version 1
 529  *
 530  * Conforms to "IA-PC HPET (High Precision Event Timers) Specification",
 531  * Version 1.0a, October 2004
 532  *
 533  ******************************************************************************/
 534
 535 struct acpi_table_hpet {
 536         struct acpi_table_header header;        /* Common ACPI table header */
 537         u32 id;                 /* Hardware ID of event timer block */
 538         struct acpi_generic_address address;    /* Address of event timer block */
 539         u8 sequence;            /* HPET sequence number */
 540         u16 minimum_tick;       /* Main counter min tick, periodic mode */
 541         u8 flags;
 542 };
 543
 544 /* Masks for Flags field above */
 545
 546 #define ACPI_HPET_PAGE_PROTECT_MASK (3)
 547
 548 /* Values for Page Protect flags */
 549
 550 enum acpi_hpet_page_protect {
 551         ACPI_HPET_NO_PAGE_PROTECT = 0,
 552         ACPI_HPET_PAGE_PROTECT4 = 1,
 553         ACPI_HPET_PAGE_PROTECT64 = 2
 554 };
 555
 556 /*******************************************************************************
 557  *
 558  * IBFT - Boot Firmware Table
 559  *        Version 1
 560  *
 561  * Conforms to "iSCSI Boot Firmware Table (iBFT) as Defined in ACPI 3.0b
 562  * Specification", Version 1.01, March 1, 2007
 563  *
 564  * Note: It appears that this table is not intended to appear in the RSDT/XSDT.
 565  * Therefore, it is not currently supported by the disassembler.
 566  *
 567  ******************************************************************************/
 568
 569 struct acpi_table_ibft {
 570         struct acpi_table_header header;        /* Common ACPI table header */
 571         u8 reserved[12];
 572 };
 573
 574 /* IBFT common subtable header */
 575
 576 struct acpi_ibft_header {
 577         u8 type;
 578         u8 version;
 579         u16 length;
 580         u8 index;
 581         u8 flags;
 582 };
 583
 584 /* Values for Type field above */
 585
 586 enum acpi_ibft_type {
 587         ACPI_IBFT_TYPE_NOT_USED = 0,
 588         ACPI_IBFT_TYPE_CONTROL = 1,
 589         ACPI_IBFT_TYPE_INITIATOR = 2,
 590         ACPI_IBFT_TYPE_NIC = 3,
 591         ACPI_IBFT_TYPE_TARGET = 4,
 592         ACPI_IBFT_TYPE_EXTENSIONS = 5,
 593         ACPI_IBFT_TYPE_RESERVED = 6     /* 6 and greater are reserved */
 594 };
 595
 596 /* IBFT subtables */
 597
 598 struct acpi_ibft_control {
 599         struct acpi_ibft_header header;
 600         u16 extensions;
 601         u16 initiator_offset;
 602         u16 nic0_offset;
 603         u16 target0_offset;
 604         u16 nic1_offset;
 605         u16 target1_offset;
 606 };
 607
 608 struct acpi_ibft_initiator {
 609         struct acpi_ibft_header header;
 610         u8 sns_server[16];
 611         u8 slp_server[16];
 612         u8 primary_server[16];
 613         u8 secondary_server[16];
 614         u16 name_length;
 615         u16 name_offset;
 616 };
 617
 618 struct acpi_ibft_nic {
 619         struct acpi_ibft_header header;
 620         u8 ip_address[16];
 621         u8 subnet_mask_prefix;
 622         u8 origin;
 623         u8 gateway[16];
 624         u8 primary_dns[16];
 625         u8 secondary_dns[16];
 626         u8 dhcp[16];
 627         u16 vlan;
 628         u8 mac_address[6];
 629         u16 pci_address;
 630         u16 name_length;
 631         u16 name_offset;
 632 };
 633
 634 struct acpi_ibft_target {
 635         struct acpi_ibft_header header;
 636         u8 target_ip_address[16];
 637         u16 target_ip_socket;
 638         u8 target_boot_lun[8];
 639         u8 chap_type;
 640         u8 nic_association;
 641         u16 target_name_length;
 642         u16 target_name_offset;
 643         u16 chap_name_length;
 644         u16 chap_name_offset;
 645         u16 chap_secret_length;
 646         u16 chap_secret_offset;
 647         u16 reverse_chap_name_length;
 648         u16 reverse_chap_name_offset;
 649         u16 reverse_chap_secret_length;
 650         u16 reverse_chap_secret_offset;
 651 };
 652
 653 /*******************************************************************************
 654  *
 655  * IORT - IO Remapping Table
 656  *
 657  * Conforms to "IO Remapping Table System Software on ARM Platforms",
 658  * Document number: ARM DEN 0049A, 2015
 659  *
 660  ******************************************************************************/
 661
 662 struct acpi_table_iort {
 663         struct acpi_table_header header;
 664         u32 node_count;
 665         u32 node_offset;
 666         u32 reserved;
 667 };
 668
 669 /*
 670  * IORT subtables
 671  */
 672 struct acpi_iort_node {
 673         u8 type;
 674         u16 length;
 675         u8 revision;
 676         u32 reserved;
 677         u32 mapping_count;
 678         u32 mapping_offset;
 679         char node_data[1];
 680 };
 681
 682 /* Values for subtable Type above */
 683
 684 enum acpi_iort_node_type {
 685         ACPI_IORT_NODE_ITS_GROUP = 0x00,
 686         ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 687         ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 688         ACPI_IORT_NODE_SMMU = 0x03
 689 };
 690
 691 struct acpi_iort_id_mapping {
 692         u32 input_base;         /* Lowest value in input range */
 693         u32 id_count;           /* Number of IDs */
 694         u32 output_base;        /* Lowest value in output range */
 695         u32 output_reference;   /* A reference to the output node */
 696         u32 flags;
 697 };
 698
 699 /* Masks for Flags field above for IORT subtable */
 700
 701 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
 702
 703 struct acpi_iort_memory_access {
 704         u32 cache_coherency;
 705         u8 hints;
 706         u16 reserved;
 707         u8 memory_flags;
 708 };
 709
 710 /* Values for cache_coherency field above */
 711
 712 #define ACPI_IORT_NODE_COHERENT         0x00000001      /* The device node is fully coherent */
 713 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000      /* The device node is not coherent */
 714
 715 /* Masks for Hints field above */
 716
 717 #define ACPI_IORT_HT_TRANSIENT          (1)
 718 #define ACPI_IORT_HT_WRITE              (1<<1)
 719 #define ACPI_IORT_HT_READ               (1<<2)
 720 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
 721
 722 /* Masks for memory_flags field above */
 723
 724 #define ACPI_IORT_MF_COHERENCY          (1)
 725 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
 726
 727 /*
 728  * IORT node specific subtables
 729  */
 730 struct acpi_iort_its_group {
 731         u32 its_count;
 732         u32 identifiers[1];     /* GIC ITS identifier arrary */
 733 };
 734
 735 struct acpi_iort_named_component {
 736         u32 node_flags;
 737         u64 memory_properties;  /* Memory access properties */
 738         u8 memory_address_limit;        /* Memory address size limit */
 739         char device_name[1];    /* Path of namespace object */
 740 };
 741
 742 struct acpi_iort_root_complex {
 743         u64 memory_properties;  /* Memory access properties */
 744         u32 ats_attribute;
 745         u32 pci_segment_number;
 746 };
 747
 748 /* Values for ats_attribute field above */
 749
 750 #define ACPI_IORT_ATS_SUPPORTED         0x00000001      /* The root complex supports ATS */
 751 #define ACPI_IORT_ATS_UNSUPPORTED       0x00000000      /* The root complex doesn't support ATS */
 752
 753 struct acpi_iort_smmu {
 754         u64 base_address;       /* SMMU base address */
 755         u64 span;               /* Length of memory range */
 756         u32 model;
 757         u32 flags;
 758         u32 global_interrupt_offset;
 759         u32 context_interrupt_count;
 760         u32 context_interrupt_offset;
 761         u32 pmu_interrupt_count;
 762         u32 pmu_interrupt_offset;
 763         u64 interrupts[1];      /* Interrupt array */
 764 };
 765
 766 /* Values for Model field above */
 767
 768 #define ACPI_IORT_SMMU_V1               0x00000000      /* Generic SMMUv1 */
 769 #define ACPI_IORT_SMMU_V2               0x00000001      /* Generic SMMUv2 */
 770 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002      /* ARM Corelink MMU-400 */
 771 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003      /* ARM Corelink MMU-500 */
 772
 773 /* Masks for Flags field above */
 774
 775 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
 776 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
 777
 778 /*******************************************************************************
 779  *
 780  * IVRS - I/O Virtualization Reporting Structure
 781  *        Version 1
 782  *
 783  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
 784  * Revision 1.26, February 2009.
 785  *
 786  ******************************************************************************/
 787
 788 struct acpi_table_ivrs {
 789         struct acpi_table_header header;        /* Common ACPI table header */
 790         u32 info;               /* Common virtualization info */
 791         u64 reserved;
 792 };
 793
 794 /* Values for Info field above */
 795
 796 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00  /* 7 bits, physical address size */
 797 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000  /* 7 bits, virtual address size */
 798 #define ACPI_IVRS_ATS_RESERVED      0x00400000  /* ATS address translation range reserved */
 799
 800 /* IVRS subtable header */
 801
 802 struct acpi_ivrs_header {
 803         u8 type;                /* Subtable type */
 804         u8 flags;
 805         u16 length;             /* Subtable length */
 806         u16 device_id;          /* ID of IOMMU */
 807 };
 808
 809 /* Values for subtable Type above */
 810
 811 enum acpi_ivrs_type {
 812         ACPI_IVRS_TYPE_HARDWARE = 0x10,
 813         ACPI_IVRS_TYPE_MEMORY1 = 0x20,
 814         ACPI_IVRS_TYPE_MEMORY2 = 0x21,
 815         ACPI_IVRS_TYPE_MEMORY3 = 0x22
 816 };
 817
 818 /* Masks for Flags field above for IVHD subtable */
 819
 820 #define ACPI_IVHD_TT_ENABLE         (1)
 821 #define ACPI_IVHD_PASS_PW           (1<<1)
 822 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
 823 #define ACPI_IVHD_ISOC              (1<<3)
 824 #define ACPI_IVHD_IOTLB             (1<<4)
 825
 826 /* Masks for Flags field above for IVMD subtable */
 827
 828 #define ACPI_IVMD_UNITY             (1)
 829 #define ACPI_IVMD_READ              (1<<1)
 830 #define ACPI_IVMD_WRITE             (1<<2)
 831 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
 832
 833 /*
 834  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
 835  */
 836
 837 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
 838
 839 struct acpi_ivrs_hardware {
 840         struct acpi_ivrs_header header;
 841         u16 capability_offset;  /* Offset for IOMMU control fields */
 842         u64 base_address;       /* IOMMU control registers */
 843         u16 pci_segment_group;
 844         u16 info;               /* MSI number and unit ID */
 845         u32 reserved;
 846 };
 847
 848 /* Masks for Info field above */
 849
 850 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F      /* 5 bits, MSI message number */
 851 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00      /* 5 bits, unit_ID */
 852
 853 /*
 854  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
 855  * Upper two bits of the Type field are the (encoded) length of the structure.
 856  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
 857  * are reserved for future use but not defined.
 858  */
 859 struct acpi_ivrs_de_header {
 860         u8 type;
 861         u16 id;
 862         u8 data_setting;
 863 };
 864
 865 /* Length of device entry is in the top two bits of Type field above */
 866
 867 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
 868
 869 /* Values for device entry Type field above */
 870
 871 enum acpi_ivrs_device_entry_type {
 872         /* 4-byte device entries, all use struct acpi_ivrs_device4 */
 873
 874         ACPI_IVRS_TYPE_PAD4 = 0,
 875         ACPI_IVRS_TYPE_ALL = 1,
 876         ACPI_IVRS_TYPE_SELECT = 2,
 877         ACPI_IVRS_TYPE_START = 3,
 878         ACPI_IVRS_TYPE_END = 4,
 879
 880         /* 8-byte device entries */
 881
 882         ACPI_IVRS_TYPE_PAD8 = 64,
 883         ACPI_IVRS_TYPE_NOT_USED = 65,
 884         ACPI_IVRS_TYPE_ALIAS_SELECT = 66,       /* Uses struct acpi_ivrs_device8a */
 885         ACPI_IVRS_TYPE_ALIAS_START = 67,        /* Uses struct acpi_ivrs_device8a */
 886         ACPI_IVRS_TYPE_EXT_SELECT = 70, /* Uses struct acpi_ivrs_device8b */
 887         ACPI_IVRS_TYPE_EXT_START = 71,  /* Uses struct acpi_ivrs_device8b */
 888         ACPI_IVRS_TYPE_SPECIAL = 72     /* Uses struct acpi_ivrs_device8c */
 889 };
 890
 891 /* Values for Data field above */
 892
 893 #define ACPI_IVHD_INIT_PASS         (1)
 894 #define ACPI_IVHD_EINT_PASS         (1<<1)
 895 #define ACPI_IVHD_NMI_PASS          (1<<2)
 896 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
 897 #define ACPI_IVHD_LINT0_PASS        (1<<6)
 898 #define ACPI_IVHD_LINT1_PASS        (1<<7)
 899
 900 /* Types 0-4: 4-byte device entry */
 901
 902 struct acpi_ivrs_device4 {
 903         struct acpi_ivrs_de_header header;
 904 };
 905
 906 /* Types 66-67: 8-byte device entry */
 907
 908 struct acpi_ivrs_device8a {
 909         struct acpi_ivrs_de_header header;
 910         u8 reserved1;
 911         u16 used_id;
 912         u8 reserved2;
 913 };
 914
 915 /* Types 70-71: 8-byte device entry */
 916
 917 struct acpi_ivrs_device8b {
 918         struct acpi_ivrs_de_header header;
 919         u32 extended_data;
 920 };
 921
 922 /* Values for extended_data above */
 923
 924 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
 925
 926 /* Type 72: 8-byte device entry */
 927
 928 struct acpi_ivrs_device8c {
 929         struct acpi_ivrs_de_header header;
 930         u8 handle;
 931         u16 used_id;
 932         u8 variety;
 933 };
 934
 935 /* Values for Variety field above */
 936
 937 #define ACPI_IVHD_IOAPIC            1
 938 #define ACPI_IVHD_HPET              2
 939
 940 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
 941
 942 struct acpi_ivrs_memory {
 943         struct acpi_ivrs_header header;
 944         u16 aux_data;
 945         u64 reserved;
 946         u64 start_address;
 947         u64 memory_length;
 948 };
 949
 950 /*******************************************************************************
 951  *
 952  * LPIT - Low Power Idle Table
 953  *
 954  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
 955  *
 956  ******************************************************************************/
 957
 958 struct acpi_table_lpit {
 959         struct acpi_table_header header;        /* Common ACPI table header */
 960 };
 961
 962 /* LPIT subtable header */
 963
 964 struct acpi_lpit_header {
 965         u32 type;               /* Subtable type */
 966         u32 length;             /* Subtable length */
 967         u16 unique_id;
 968         u16 reserved;
 969         u32 flags;
 970 };
 971
 972 /* Values for subtable Type above */
 973
 974 enum acpi_lpit_type {
 975         ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
 976         ACPI_LPIT_TYPE_RESERVED = 0x01  /* 1 and above are reserved */
 977 };
 978
 979 /* Masks for Flags field above  */
 980
 981 #define ACPI_LPIT_STATE_DISABLED    (1)
 982 #define ACPI_LPIT_NO_COUNTER        (1<<1)
 983
 984 /*
 985  * LPIT subtables, correspond to Type in struct acpi_lpit_header
 986  */
 987
 988 /* 0x00: Native C-state instruction based LPI structure */
 989
 990 struct acpi_lpit_native {
 991         struct acpi_lpit_header header;
 992         struct acpi_generic_address entry_trigger;
 993         u32 residency;
 994         u32 latency;
 995         struct acpi_generic_address residency_counter;
 996         u64 counter_frequency;
 997 };
 998
 999 /*******************************************************************************
1000  *
1001  * MCFG - PCI Memory Mapped Configuration table and subtable
1002  *        Version 1
1003  *
1004  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1005  *
1006  ******************************************************************************/
1007
1008 struct acpi_table_mcfg {
1009         struct acpi_table_header header;        /* Common ACPI table header */
1010         u8 reserved[8];
1011 };
1012
1013 /* Subtable */
1014
1015 struct acpi_mcfg_allocation {
1016         u64 address;            /* Base address, processor-relative */
1017         u16 pci_segment;        /* PCI segment group number */
1018         u8 start_bus_number;    /* Starting PCI Bus number */
1019         u8 end_bus_number;      /* Final PCI Bus number */
1020         u32 reserved;
1021 };
1022
1023 /*******************************************************************************
1024  *
1025  * MCHI - Management Controller Host Interface Table
1026  *        Version 1
1027  *
1028  * Conforms to "Management Component Transport Protocol (MCTP) Host
1029  * Interface Specification", Revision 1.0.0a, October 13, 2009
1030  *
1031  ******************************************************************************/
1032
1033 struct acpi_table_mchi {
1034         struct acpi_table_header header;        /* Common ACPI table header */
1035         u8 interface_type;
1036         u8 protocol;
1037         u64 protocol_data;
1038         u8 interrupt_type;
1039         u8 gpe;
1040         u8 pci_device_flag;
1041         u32 global_interrupt;
1042         struct acpi_generic_address control_register;
1043         u8 pci_segment;
1044         u8 pci_bus;
1045         u8 pci_device;
1046         u8 pci_function;
1047 };
1048
1049 /*******************************************************************************
1050  *
1051  * MSDM - Microsoft Data Management table
1052  *
1053  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1054  * November 29, 2011. Copyright 2011 Microsoft
1055  *
1056  ******************************************************************************/
1057
1058 /* Basic MSDM table is only the common ACPI header */
1059
1060 struct acpi_table_msdm {
1061         struct acpi_table_header header;        /* Common ACPI table header */
1062 };
1063
1064 /*******************************************************************************
1065  *
1066  * MTMR - MID Timer Table
1067  *        Version 1
1068  *
1069  * Conforms to "Simple Firmware Interface Specification",
1070  * Draft 0.8.2, Oct 19, 2010
1071  * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
1072  *
1073  ******************************************************************************/
1074
1075 struct acpi_table_mtmr {
1076         struct acpi_table_header header;        /* Common ACPI table header */
1077 };
1078
1079 /* MTMR entry */
1080
1081 struct acpi_mtmr_entry {
1082         struct acpi_generic_address physical_address;
1083         u32 frequency;
1084         u32 irq;
1085 };
1086
1087 /*******************************************************************************
1088  *
1089  * SLIC - Software Licensing Description Table
1090  *
1091  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1092  * November 29, 2011. Copyright 2011 Microsoft
1093  *
1094  ******************************************************************************/
1095
1096 /* Basic SLIC table is only the common ACPI header */
1097
1098 struct acpi_table_slic {
1099         struct acpi_table_header header;        /* Common ACPI table header */
1100 };
1101
1102 /*******************************************************************************
1103  *
1104  * SPCR - Serial Port Console Redirection table
1105  *        Version 1
1106  *
1107  * Conforms to "Serial Port Console Redirection Table",
1108  * Version 1.00, January 11, 2002
1109  *
1110  ******************************************************************************/
1111
1112 struct acpi_table_spcr {
1113         struct acpi_table_header header;        /* Common ACPI table header */
1114         u8 interface_type;      /* 0=full 16550, 1=subset of 16550 */
1115         u8 reserved[3];
1116         struct acpi_generic_address serial_port;
1117         u8 interrupt_type;
1118         u8 pc_interrupt;
1119         u32 interrupt;
1120         u8 baud_rate;
1121         u8 parity;
1122         u8 stop_bits;
1123         u8 flow_control;
1124         u8 terminal_type;
1125         u8 reserved1;
1126         u16 pci_device_id;
1127         u16 pci_vendor_id;
1128         u8 pci_bus;
1129         u8 pci_device;
1130         u8 pci_function;
1131         u32 pci_flags;
1132         u8 pci_segment;
1133         u32 reserved2;
1134 };
1135
1136 /* Masks for pci_flags field above */
1137
1138 #define ACPI_SPCR_DO_NOT_DISABLE    (1)
1139
1140 /*******************************************************************************
1141  *
1142  * SPMI - Server Platform Management Interface table
1143  *        Version 5
1144  *
1145  * Conforms to "Intelligent Platform Management Interface Specification
1146  * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with
1147  * June 12, 2009 markup.
1148  *
1149  ******************************************************************************/
1150
1151 struct acpi_table_spmi {
1152         struct acpi_table_header header;        /* Common ACPI table header */
1153         u8 interface_type;
1154         u8 reserved;            /* Must be 1 */
1155         u16 spec_revision;      /* Version of IPMI */
1156         u8 interrupt_type;
1157         u8 gpe_number;          /* GPE assigned */
1158         u8 reserved1;
1159         u8 pci_device_flag;
1160         u32 interrupt;
1161         struct acpi_generic_address ipmi_register;
1162         u8 pci_segment;
1163         u8 pci_bus;
1164         u8 pci_device;
1165         u8 pci_function;
1166         u8 reserved2;
1167 };
1168
1169 /* Values for interface_type above */
1170
1171 enum acpi_spmi_interface_types {
1172         ACPI_SPMI_NOT_USED = 0,
1173         ACPI_SPMI_KEYBOARD = 1,
1174         ACPI_SPMI_SMI = 2,
1175         ACPI_SPMI_BLOCK_TRANSFER = 3,
1176         ACPI_SPMI_SMBUS = 4,
1177         ACPI_SPMI_RESERVED = 5  /* 5 and above are reserved */
1178 };
1179
1180 /*******************************************************************************
1181  *
1182  * TCPA - Trusted Computing Platform Alliance table
1183  *        Version 2
1184  *
1185  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1186  * December 19, 2014
1187  *
1188  * NOTE: There are two versions of the table with the same signature --
1189  * the client version and the server version.
1190  *
1191  ******************************************************************************/
1192
1193 struct acpi_table_tcpa_client {
1194         struct acpi_table_header header;        /* Common ACPI table header */
1195         u16 platform_class;
1196         u32 minimum_log_length; /* Minimum length for the event log area */
1197         u64 log_address;        /* Address of the event log area */
1198 };
1199
1200 struct acpi_table_tcpa_server {
1201         struct acpi_table_header header;        /* Common ACPI table header */
1202         u16 platform_class;
1203         u16 reserved;
1204         u64 minimum_log_length; /* Minimum length for the event log area */
1205         u64 log_address;        /* Address of the event log area */
1206         u16 spec_revision;
1207         u8 device_flags;
1208         u8 interrupt_flags;
1209         u8 gpe_number;
1210         u8 reserved2[3];
1211         u32 global_interrupt;
1212         struct acpi_generic_address address;
1213         u32 reserved3;
1214         struct acpi_generic_address config_address;
1215         u8 group;
1216         u8 bus;                 /* PCI Bus/Segment/Function numbers */
1217         u8 device;
1218         u8 function;
1219 };
1220
1221 /* Values for device_flags above */
1222
1223 #define ACPI_TCPA_PCI_DEVICE            (1)
1224 #define ACPI_TCPA_BUS_PNP               (1<<1)
1225 #define ACPI_TCPA_ADDRESS_VALID         (1<<2)
1226
1227 /* Values for interrupt_flags above */
1228
1229 #define ACPI_TCPA_INTERRUPT_MODE        (1)
1230 #define ACPI_TCPA_INTERRUPT_POLARITY    (1<<1)
1231 #define ACPI_TCPA_SCI_VIA_GPE           (1<<2)
1232 #define ACPI_TCPA_GLOBAL_INTERRUPT      (1<<3)
1233
1234 /*******************************************************************************
1235  *
1236  * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
1237  *        Version 4
1238  *
1239  * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0",
1240  * December 19, 2014
1241  *
1242  ******************************************************************************/
1243
1244 struct acpi_table_tpm2 {
1245         struct acpi_table_header header;        /* Common ACPI table header */
1246         u16 platform_class;
1247         u16 reserved;
1248         u64 control_address;
1249         u32 start_method;
1250
1251         /* Platform-specific data follows */
1252 };
1253
1254 /* Values for start_method above */
1255
1256 #define ACPI_TPM2_NOT_ALLOWED                       0
1257 #define ACPI_TPM2_START_METHOD                      2
1258 #define ACPI_TPM2_MEMORY_MAPPED                     6
1259 #define ACPI_TPM2_COMMAND_BUFFER                    7
1260 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
1261
1262 /*******************************************************************************
1263  *
1264  * UEFI - UEFI Boot optimization Table
1265  *        Version 1
1266  *
1267  * Conforms to "Unified Extensible Firmware Interface Specification",
1268  * Version 2.3, May 8, 2009
1269  *
1270  ******************************************************************************/
1271
1272 struct acpi_table_uefi {
1273         struct acpi_table_header header;        /* Common ACPI table header */
1274         u8 identifier[16];      /* UUID identifier */
1275         u16 data_offset;        /* Offset of remaining data in table */
1276 };
1277
1278 /*******************************************************************************
1279  *
1280  * VRTC - Virtual Real Time Clock Table
1281  *        Version 1
1282  *
1283  * Conforms to "Simple Firmware Interface Specification",
1284  * Draft 0.8.2, Oct 19, 2010
1285  * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
1286  *
1287  ******************************************************************************/
1288
1289 struct acpi_table_vrtc {
1290         struct acpi_table_header header;        /* Common ACPI table header */
1291 };
1292
1293 /* VRTC entry */
1294
1295 struct acpi_vrtc_entry {
1296         struct acpi_generic_address physical_address;
1297         u32 irq;
1298 };
1299
1300 /*******************************************************************************
1301  *
1302  * WAET - Windows ACPI Emulated devices Table
1303  *        Version 1
1304  *
1305  * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009
1306  *
1307  ******************************************************************************/
1308
1309 struct acpi_table_waet {
1310         struct acpi_table_header header;        /* Common ACPI table header */
1311         u32 flags;
1312 };
1313
1314 /* Masks for Flags field above */
1315
1316 #define ACPI_WAET_RTC_NO_ACK        (1) /* RTC requires no int acknowledge */
1317 #define ACPI_WAET_TIMER_ONE_READ    (1<<1)      /* PM timer requires only one read */
1318
1319 /*******************************************************************************
1320  *
1321  * WDAT - Watchdog Action Table
1322  *        Version 1
1323  *
1324  * Conforms to "Hardware Watchdog Timers Design Specification",
1325  * Copyright 2006 Microsoft Corporation.
1326  *
1327  ******************************************************************************/
1328
1329 struct acpi_table_wdat {
1330         struct acpi_table_header header;        /* Common ACPI table header */
1331         u32 header_length;      /* Watchdog Header Length */
1332         u16 pci_segment;        /* PCI Segment number */
1333         u8 pci_bus;             /* PCI Bus number */
1334         u8 pci_device;          /* PCI Device number */
1335         u8 pci_function;        /* PCI Function number */
1336         u8 reserved[3];
1337         u32 timer_period;       /* Period of one timer count (msec) */
1338         u32 max_count;          /* Maximum counter value supported */
1339         u32 min_count;          /* Minimum counter value */
1340         u8 flags;
1341         u8 reserved2[3];
1342         u32 entries;            /* Number of watchdog entries that follow */
1343 };
1344
1345 /* Masks for Flags field above */
1346
1347 #define ACPI_WDAT_ENABLED           (1)
1348 #define ACPI_WDAT_STOPPED           0x80
1349
1350 /* WDAT Instruction Entries (actions) */
1351
1352 struct acpi_wdat_entry {
1353         u8 action;
1354         u8 instruction;
1355         u16 reserved;
1356         struct acpi_generic_address register_region;
1357         u32 value;              /* Value used with Read/Write register */
1358         u32 mask;               /* Bitmask required for this register instruction */
1359 };
1360
1361 /* Values for Action field above */
1362
1363 enum acpi_wdat_actions {
1364         ACPI_WDAT_RESET = 1,
1365         ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4,
1366         ACPI_WDAT_GET_COUNTDOWN = 5,
1367         ACPI_WDAT_SET_COUNTDOWN = 6,
1368         ACPI_WDAT_GET_RUNNING_STATE = 8,
1369         ACPI_WDAT_SET_RUNNING_STATE = 9,
1370         ACPI_WDAT_GET_STOPPED_STATE = 10,
1371         ACPI_WDAT_SET_STOPPED_STATE = 11,
1372         ACPI_WDAT_GET_REBOOT = 16,
1373         ACPI_WDAT_SET_REBOOT = 17,
1374         ACPI_WDAT_GET_SHUTDOWN = 18,
1375         ACPI_WDAT_SET_SHUTDOWN = 19,
1376         ACPI_WDAT_GET_STATUS = 32,
1377         ACPI_WDAT_SET_STATUS = 33,
1378         ACPI_WDAT_ACTION_RESERVED = 34  /* 34 and greater are reserved */
1379 };
1380
1381 /* Values for Instruction field above */
1382
1383 enum acpi_wdat_instructions {
1384         ACPI_WDAT_READ_VALUE = 0,
1385         ACPI_WDAT_READ_COUNTDOWN = 1,
1386         ACPI_WDAT_WRITE_VALUE = 2,
1387         ACPI_WDAT_WRITE_COUNTDOWN = 3,
1388         ACPI_WDAT_INSTRUCTION_RESERVED = 4,     /* 4 and greater are reserved */
1389         ACPI_WDAT_PRESERVE_REGISTER = 0x80      /* Except for this value */
1390 };
1391
1392 /*******************************************************************************
1393  *
1394  * WDDT - Watchdog Descriptor Table
1395  *        Version 1
1396  *
1397  * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)",
1398  * Version 001, September 2002
1399  *
1400  ******************************************************************************/
1401
1402 struct acpi_table_wddt {
1403         struct acpi_table_header header;        /* Common ACPI table header */
1404         u16 spec_version;
1405         u16 table_version;
1406         u16 pci_vendor_id;
1407         struct acpi_generic_address address;
1408         u16 max_count;          /* Maximum counter value supported */
1409         u16 min_count;          /* Minimum counter value supported */
1410         u16 period;
1411         u16 status;
1412         u16 capability;
1413 };
1414
1415 /* Flags for Status field above */
1416
1417 #define ACPI_WDDT_AVAILABLE     (1)
1418 #define ACPI_WDDT_ACTIVE        (1<<1)
1419 #define ACPI_WDDT_TCO_OS_OWNED  (1<<2)
1420 #define ACPI_WDDT_USER_RESET    (1<<11)
1421 #define ACPI_WDDT_WDT_RESET     (1<<12)
1422 #define ACPI_WDDT_POWER_FAIL    (1<<13)
1423 #define ACPI_WDDT_UNKNOWN_RESET (1<<14)
1424
1425 /* Flags for Capability field above */
1426
1427 #define ACPI_WDDT_AUTO_RESET    (1)
1428 #define ACPI_WDDT_ALERT_SUPPORT (1<<1)
1429
1430 /*******************************************************************************
1431  *
1432  * WDRT - Watchdog Resource Table
1433  *        Version 1
1434  *
1435  * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003",
1436  * Version 1.01, August 28, 2006
1437  *
1438  ******************************************************************************/
1439
1440 struct acpi_table_wdrt {
1441         struct acpi_table_header header;        /* Common ACPI table header */
1442         struct acpi_generic_address control_register;
1443         struct acpi_generic_address count_register;
1444         u16 pci_device_id;
1445         u16 pci_vendor_id;
1446         u8 pci_bus;             /* PCI Bus number */
1447         u8 pci_device;          /* PCI Device number */
1448         u8 pci_function;        /* PCI Function number */
1449         u8 pci_segment;         /* PCI Segment number */
1450         u16 max_count;          /* Maximum counter value supported */
1451         u8 units;
1452 };
1453
1454 /* Reset to default packing */
1455
1456 #pragma pack()
1457
1458 #endif                          /* __ACTBL2_H__ */