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__ */ 1459