1 /****************************************************************************** 2 * 3 * Name: actbl3.h - ACPI Table Definitions 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2016, 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 __ACTBL3_H__ 45 #define __ACTBL3_H__ 46 47 /******************************************************************************* 48 * 49 * Additional ACPI Tables (3) 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 * In general, the tables in this file are fully defined within the ACPI 55 * specification. 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_BGRT "BGRT" /* Boot Graphics Resource Table */ 65 #define ACPI_SIG_DRTM "DRTM" /* Dynamic Root of Trust for Measurement table */ 66 #define ACPI_SIG_FPDT "FPDT" /* Firmware Performance Data Table */ 67 #define ACPI_SIG_GTDT "GTDT" /* Generic Timer Description Table */ 68 #define ACPI_SIG_MPST "MPST" /* Memory Power State Table */ 69 #define ACPI_SIG_PCCT "PCCT" /* Platform Communications Channel Table */ 70 #define ACPI_SIG_PMTT "PMTT" /* Platform Memory Topology Table */ 71 #define ACPI_SIG_RASF "RASF" /* RAS Feature table */ 72 #define ACPI_SIG_STAO "STAO" /* Status Override table */ 73 #define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */ 74 #define ACPI_SIG_XENV "XENV" /* Xen Environment table */ 75 76 #define ACPI_SIG_S3PT "S3PT" /* S3 Performance (sub)Table */ 77 #define ACPI_SIG_PCCS "PCC" /* PCC Shared Memory Region */ 78 79 /* Reserved table signatures */ 80 81 #define ACPI_SIG_MATR "MATR" /* Memory Address Translation Table */ 82 #define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */ 83 84 /* 85 * All tables must be byte-packed to match the ACPI specification, since 86 * the tables are provided by the system BIOS. 87 */ 88 #pragma pack(1) 89 90 /* 91 * Note: C bitfields are not used for this reason: 92 * 93 * "Bitfields are great and easy to read, but unfortunately the C language 94 * does not specify the layout of bitfields in memory, which means they are 95 * essentially useless for dealing with packed data in on-disk formats or 96 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, 97 * this decision was a design error in C. Ritchie could have picked an order 98 * and stuck with it." Norman Ramsey. 99 * See http://stackoverflow.com/a/1053662/41661 100 */ 101 102 /******************************************************************************* 103 * 104 * BGRT - Boot Graphics Resource Table (ACPI 5.0) 105 * Version 1 106 * 107 ******************************************************************************/ 108 109 struct acpi_table_bgrt { 110 struct acpi_table_header header; /* Common ACPI table header */ 111 u16 version; 112 u8 status; 113 u8 image_type; 114 u64 image_address; 115 u32 image_offset_x; 116 u32 image_offset_y; 117 }; 118 119 /******************************************************************************* 120 * 121 * DRTM - Dynamic Root of Trust for Measurement table 122 * Conforms to "TCG D-RTM Architecture" June 17 2013, Version 1.0.0 123 * Table version 1 124 * 125 ******************************************************************************/ 126 127 struct acpi_table_drtm { 128 struct acpi_table_header header; /* Common ACPI table header */ 129 u64 entry_base_address; 130 u64 entry_length; 131 u32 entry_address32; 132 u64 entry_address64; 133 u64 exit_address; 134 u64 log_area_address; 135 u32 log_area_length; 136 u64 arch_dependent_address; 137 u32 flags; 138 }; 139 140 /* Flag Definitions for above */ 141 142 #define ACPI_DRTM_ACCESS_ALLOWED (1) 143 #define ACPI_DRTM_ENABLE_GAP_CODE (1<<1) 144 #define ACPI_DRTM_INCOMPLETE_MEASUREMENTS (1<<2) 145 #define ACPI_DRTM_AUTHORITY_ORDER (1<<3) 146 147 /* 1) Validated Tables List (64-bit addresses) */ 148 149 struct acpi_drtm_vtable_list { 150 u32 validated_table_count; 151 u64 validated_tables[1]; 152 }; 153 154 /* 2) Resources List (of Resource Descriptors) */ 155 156 /* Resource Descriptor */ 157 158 struct acpi_drtm_resource { 159 u8 size[7]; 160 u8 type; 161 u64 address; 162 }; 163 164 struct acpi_drtm_resource_list { 165 u32 resource_count; 166 struct acpi_drtm_resource resources[1]; 167 }; 168 169 /* 3) Platform-specific Identifiers List */ 170 171 struct acpi_drtm_dps_id { 172 u32 dps_id_length; 173 u8 dps_id[16]; 174 }; 175 176 /******************************************************************************* 177 * 178 * FPDT - Firmware Performance Data Table (ACPI 5.0) 179 * Version 1 180 * 181 ******************************************************************************/ 182 183 struct acpi_table_fpdt { 184 struct acpi_table_header header; /* Common ACPI table header */ 185 }; 186 187 /* FPDT subtable header (Performance Record Structure) */ 188 189 struct acpi_fpdt_header { 190 u16 type; 191 u8 length; 192 u8 revision; 193 }; 194 195 /* Values for Type field above */ 196 197 enum acpi_fpdt_type { 198 ACPI_FPDT_TYPE_BOOT = 0, 199 ACPI_FPDT_TYPE_S3PERF = 1 200 }; 201 202 /* 203 * FPDT subtables 204 */ 205 206 /* 0: Firmware Basic Boot Performance Record */ 207 208 struct acpi_fpdt_boot_pointer { 209 struct acpi_fpdt_header header; 210 u8 reserved[4]; 211 u64 address; 212 }; 213 214 /* 1: S3 Performance Table Pointer Record */ 215 216 struct acpi_fpdt_s3pt_pointer { 217 struct acpi_fpdt_header header; 218 u8 reserved[4]; 219 u64 address; 220 }; 221 222 /* 223 * S3PT - S3 Performance Table. This table is pointed to by the 224 * S3 Pointer Record above. 225 */ 226 struct acpi_table_s3pt { 227 u8 signature[4]; /* "S3PT" */ 228 u32 length; 229 }; 230 231 /* 232 * S3PT Subtables (Not part of the actual FPDT) 233 */ 234 235 /* Values for Type field in S3PT header */ 236 237 enum acpi_s3pt_type { 238 ACPI_S3PT_TYPE_RESUME = 0, 239 ACPI_S3PT_TYPE_SUSPEND = 1, 240 ACPI_FPDT_BOOT_PERFORMANCE = 2 241 }; 242 243 struct acpi_s3pt_resume { 244 struct acpi_fpdt_header header; 245 u32 resume_count; 246 u64 full_resume; 247 u64 average_resume; 248 }; 249 250 struct acpi_s3pt_suspend { 251 struct acpi_fpdt_header header; 252 u64 suspend_start; 253 u64 suspend_end; 254 }; 255 256 /* 257 * FPDT Boot Performance Record (Not part of the actual FPDT) 258 */ 259 struct acpi_fpdt_boot { 260 struct acpi_fpdt_header header; 261 u8 reserved[4]; 262 u64 reset_end; 263 u64 load_start; 264 u64 startup_start; 265 u64 exit_services_entry; 266 u64 exit_services_exit; 267 }; 268 269 /******************************************************************************* 270 * 271 * GTDT - Generic Timer Description Table (ACPI 5.1) 272 * Version 2 273 * 274 ******************************************************************************/ 275 276 struct acpi_table_gtdt { 277 struct acpi_table_header header; /* Common ACPI table header */ 278 u64 counter_block_addresss; 279 u32 reserved; 280 u32 secure_el1_interrupt; 281 u32 secure_el1_flags; 282 u32 non_secure_el1_interrupt; 283 u32 non_secure_el1_flags; 284 u32 virtual_timer_interrupt; 285 u32 virtual_timer_flags; 286 u32 non_secure_el2_interrupt; 287 u32 non_secure_el2_flags; 288 u64 counter_read_block_address; 289 u32 platform_timer_count; 290 u32 platform_timer_offset; 291 }; 292 293 /* Flag Definitions: Timer Block Physical Timers and Virtual timers */ 294 295 #define ACPI_GTDT_INTERRUPT_MODE (1) 296 #define ACPI_GTDT_INTERRUPT_POLARITY (1<<1) 297 #define ACPI_GTDT_ALWAYS_ON (1<<2) 298 299 /* Common GTDT subtable header */ 300 301 struct acpi_gtdt_header { 302 u8 type; 303 u16 length; 304 }; 305 306 /* Values for GTDT subtable type above */ 307 308 enum acpi_gtdt_type { 309 ACPI_GTDT_TYPE_TIMER_BLOCK = 0, 310 ACPI_GTDT_TYPE_WATCHDOG = 1, 311 ACPI_GTDT_TYPE_RESERVED = 2 /* 2 and greater are reserved */ 312 }; 313 314 /* GTDT Subtables, correspond to Type in struct acpi_gtdt_header */ 315 316 /* 0: Generic Timer Block */ 317 318 struct acpi_gtdt_timer_block { 319 struct acpi_gtdt_header header; 320 u8 reserved; 321 u64 block_address; 322 u32 timer_count; 323 u32 timer_offset; 324 }; 325 326 /* Timer Sub-Structure, one per timer */ 327 328 struct acpi_gtdt_timer_entry { 329 u8 frame_number; 330 u8 reserved[3]; 331 u64 base_address; 332 u64 el0_base_address; 333 u32 timer_interrupt; 334 u32 timer_flags; 335 u32 virtual_timer_interrupt; 336 u32 virtual_timer_flags; 337 u32 common_flags; 338 }; 339 340 /* Flag Definitions: timer_flags and virtual_timer_flags above */ 341 342 #define ACPI_GTDT_GT_IRQ_MODE (1) 343 #define ACPI_GTDT_GT_IRQ_POLARITY (1<<1) 344 345 /* Flag Definitions: common_flags above */ 346 347 #define ACPI_GTDT_GT_IS_SECURE_TIMER (1) 348 #define ACPI_GTDT_GT_ALWAYS_ON (1<<1) 349 350 /* 1: SBSA Generic Watchdog Structure */ 351 352 struct acpi_gtdt_watchdog { 353 struct acpi_gtdt_header header; 354 u8 reserved; 355 u64 refresh_frame_address; 356 u64 control_frame_address; 357 u32 timer_interrupt; 358 u32 timer_flags; 359 }; 360 361 /* Flag Definitions: timer_flags above */ 362 363 #define ACPI_GTDT_WATCHDOG_IRQ_MODE (1) 364 #define ACPI_GTDT_WATCHDOG_IRQ_POLARITY (1<<1) 365 #define ACPI_GTDT_WATCHDOG_SECURE (1<<2) 366 367 /******************************************************************************* 368 * 369 * MPST - Memory Power State Table (ACPI 5.0) 370 * Version 1 371 * 372 ******************************************************************************/ 373 374 #define ACPI_MPST_CHANNEL_INFO \ 375 u8 channel_id; \ 376 u8 reserved1[3]; \ 377 u16 power_node_count; \ 378 u16 reserved2; 379 380 /* Main table */ 381 382 struct acpi_table_mpst { 383 struct acpi_table_header header; /* Common ACPI table header */ 384 ACPI_MPST_CHANNEL_INFO /* Platform Communication Channel */ 385 }; 386 387 /* Memory Platform Communication Channel Info */ 388 389 struct acpi_mpst_channel { 390 ACPI_MPST_CHANNEL_INFO /* Platform Communication Channel */ 391 }; 392 393 /* Memory Power Node Structure */ 394 395 struct acpi_mpst_power_node { 396 u8 flags; 397 u8 reserved1; 398 u16 node_id; 399 u32 length; 400 u64 range_address; 401 u64 range_length; 402 u32 num_power_states; 403 u32 num_physical_components; 404 }; 405 406 /* Values for Flags field above */ 407 408 #define ACPI_MPST_ENABLED 1 409 #define ACPI_MPST_POWER_MANAGED 2 410 #define ACPI_MPST_HOT_PLUG_CAPABLE 4 411 412 /* Memory Power State Structure (follows POWER_NODE above) */ 413 414 struct acpi_mpst_power_state { 415 u8 power_state; 416 u8 info_index; 417 }; 418 419 /* Physical Component ID Structure (follows POWER_STATE above) */ 420 421 struct acpi_mpst_component { 422 u16 component_id; 423 }; 424 425 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */ 426 427 struct acpi_mpst_data_hdr { 428 u16 characteristics_count; 429 u16 reserved; 430 }; 431 432 struct acpi_mpst_power_data { 433 u8 structure_id; 434 u8 flags; 435 u16 reserved1; 436 u32 average_power; 437 u32 power_saving; 438 u64 exit_latency; 439 u64 reserved2; 440 }; 441 442 /* Values for Flags field above */ 443 444 #define ACPI_MPST_PRESERVE 1 445 #define ACPI_MPST_AUTOENTRY 2 446 #define ACPI_MPST_AUTOEXIT 4 447 448 /* Shared Memory Region (not part of an ACPI table) */ 449 450 struct acpi_mpst_shared { 451 u32 signature; 452 u16 pcc_command; 453 u16 pcc_status; 454 u32 command_register; 455 u32 status_register; 456 u32 power_state_id; 457 u32 power_node_id; 458 u64 energy_consumed; 459 u64 average_power; 460 }; 461 462 /******************************************************************************* 463 * 464 * PCCT - Platform Communications Channel Table (ACPI 5.0) 465 * Version 1 466 * 467 ******************************************************************************/ 468 469 struct acpi_table_pcct { 470 struct acpi_table_header header; /* Common ACPI table header */ 471 u32 flags; 472 u64 reserved; 473 }; 474 475 /* Values for Flags field above */ 476 477 #define ACPI_PCCT_DOORBELL 1 478 479 /* Values for subtable type in struct acpi_subtable_header */ 480 481 enum acpi_pcct_type { 482 ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0, 483 ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1, 484 ACPI_PCCT_TYPE_RESERVED = 2 /* 2 and greater are reserved */ 485 }; 486 487 /* 488 * PCCT Subtables, correspond to Type in struct acpi_subtable_header 489 */ 490 491 /* 0: Generic Communications Subspace */ 492 493 struct acpi_pcct_subspace { 494 struct acpi_subtable_header header; 495 u8 reserved[6]; 496 u64 base_address; 497 u64 length; 498 struct acpi_generic_address doorbell_register; 499 u64 preserve_mask; 500 u64 write_mask; 501 u32 latency; 502 u32 max_access_rate; 503 u16 min_turnaround_time; 504 }; 505 506 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */ 507 508 struct acpi_pcct_hw_reduced { 509 struct acpi_subtable_header header; 510 u32 doorbell_interrupt; 511 u8 flags; 512 u8 reserved; 513 u64 base_address; 514 u64 length; 515 struct acpi_generic_address doorbell_register; 516 u64 preserve_mask; 517 u64 write_mask; 518 u32 latency; 519 u32 max_access_rate; 520 u16 min_turnaround_time; 521 }; 522 523 /* Values for doorbell flags above */ 524 525 #define ACPI_PCCT_INTERRUPT_POLARITY (1) 526 #define ACPI_PCCT_INTERRUPT_MODE (1<<1) 527 528 /* 529 * PCC memory structures (not part of the ACPI table) 530 */ 531 532 /* Shared Memory Region */ 533 534 struct acpi_pcct_shared_memory { 535 u32 signature; 536 u16 command; 537 u16 status; 538 }; 539 540 /******************************************************************************* 541 * 542 * PMTT - Platform Memory Topology Table (ACPI 5.0) 543 * Version 1 544 * 545 ******************************************************************************/ 546 547 struct acpi_table_pmtt { 548 struct acpi_table_header header; /* Common ACPI table header */ 549 u32 reserved; 550 }; 551 552 /* Common header for PMTT subtables that follow main table */ 553 554 struct acpi_pmtt_header { 555 u8 type; 556 u8 reserved1; 557 u16 length; 558 u16 flags; 559 u16 reserved2; 560 }; 561 562 /* Values for Type field above */ 563 564 #define ACPI_PMTT_TYPE_SOCKET 0 565 #define ACPI_PMTT_TYPE_CONTROLLER 1 566 #define ACPI_PMTT_TYPE_DIMM 2 567 #define ACPI_PMTT_TYPE_RESERVED 3 /* 0x03-0xFF are reserved */ 568 569 /* Values for Flags field above */ 570 571 #define ACPI_PMTT_TOP_LEVEL 0x0001 572 #define ACPI_PMTT_PHYSICAL 0x0002 573 #define ACPI_PMTT_MEMORY_TYPE 0x000C 574 575 /* 576 * PMTT subtables, correspond to Type in struct acpi_pmtt_header 577 */ 578 579 /* 0: Socket Structure */ 580 581 struct acpi_pmtt_socket { 582 struct acpi_pmtt_header header; 583 u16 socket_id; 584 u16 reserved; 585 }; 586 587 /* 1: Memory Controller subtable */ 588 589 struct acpi_pmtt_controller { 590 struct acpi_pmtt_header header; 591 u32 read_latency; 592 u32 write_latency; 593 u32 read_bandwidth; 594 u32 write_bandwidth; 595 u16 access_width; 596 u16 alignment; 597 u16 reserved; 598 u16 domain_count; 599 }; 600 601 /* 1a: Proximity Domain substructure */ 602 603 struct acpi_pmtt_domain { 604 u32 proximity_domain; 605 }; 606 607 /* 2: Physical Component Identifier (DIMM) */ 608 609 struct acpi_pmtt_physical_component { 610 struct acpi_pmtt_header header; 611 u16 component_id; 612 u16 reserved; 613 u32 memory_size; 614 u32 bios_handle; 615 }; 616 617 /******************************************************************************* 618 * 619 * RASF - RAS Feature Table (ACPI 5.0) 620 * Version 1 621 * 622 ******************************************************************************/ 623 624 struct acpi_table_rasf { 625 struct acpi_table_header header; /* Common ACPI table header */ 626 u8 channel_id[12]; 627 }; 628 629 /* RASF Platform Communication Channel Shared Memory Region */ 630 631 struct acpi_rasf_shared_memory { 632 u32 signature; 633 u16 command; 634 u16 status; 635 u16 version; 636 u8 capabilities[16]; 637 u8 set_capabilities[16]; 638 u16 num_parameter_blocks; 639 u32 set_capabilities_status; 640 }; 641 642 /* RASF Parameter Block Structure Header */ 643 644 struct acpi_rasf_parameter_block { 645 u16 type; 646 u16 version; 647 u16 length; 648 }; 649 650 /* RASF Parameter Block Structure for PATROL_SCRUB */ 651 652 struct acpi_rasf_patrol_scrub_parameter { 653 struct acpi_rasf_parameter_block header; 654 u16 patrol_scrub_command; 655 u64 requested_address_range[2]; 656 u64 actual_address_range[2]; 657 u16 flags; 658 u8 requested_speed; 659 }; 660 661 /* Masks for Flags and Speed fields above */ 662 663 #define ACPI_RASF_SCRUBBER_RUNNING 1 664 #define ACPI_RASF_SPEED (7<<1) 665 #define ACPI_RASF_SPEED_SLOW (0<<1) 666 #define ACPI_RASF_SPEED_MEDIUM (4<<1) 667 #define ACPI_RASF_SPEED_FAST (7<<1) 668 669 /* Channel Commands */ 670 671 enum acpi_rasf_commands { 672 ACPI_RASF_EXECUTE_RASF_COMMAND = 1 673 }; 674 675 /* Platform RAS Capabilities */ 676 677 enum acpi_rasf_capabiliities { 678 ACPI_HW_PATROL_SCRUB_SUPPORTED = 0, 679 ACPI_SW_PATROL_SCRUB_EXPOSED = 1 680 }; 681 682 /* Patrol Scrub Commands */ 683 684 enum acpi_rasf_patrol_scrub_commands { 685 ACPI_RASF_GET_PATROL_PARAMETERS = 1, 686 ACPI_RASF_START_PATROL_SCRUBBER = 2, 687 ACPI_RASF_STOP_PATROL_SCRUBBER = 3 688 }; 689 690 /* Channel Command flags */ 691 692 #define ACPI_RASF_GENERATE_SCI (1<<15) 693 694 /* Status values */ 695 696 enum acpi_rasf_status { 697 ACPI_RASF_SUCCESS = 0, 698 ACPI_RASF_NOT_VALID = 1, 699 ACPI_RASF_NOT_SUPPORTED = 2, 700 ACPI_RASF_BUSY = 3, 701 ACPI_RASF_FAILED = 4, 702 ACPI_RASF_ABORTED = 5, 703 ACPI_RASF_INVALID_DATA = 6 704 }; 705 706 /* Status flags */ 707 708 #define ACPI_RASF_COMMAND_COMPLETE (1) 709 #define ACPI_RASF_SCI_DOORBELL (1<<1) 710 #define ACPI_RASF_ERROR (1<<2) 711 #define ACPI_RASF_STATUS (0x1F<<3) 712 713 /******************************************************************************* 714 * 715 * STAO - Status Override Table (_STA override) - ACPI 6.0 716 * Version 1 717 * 718 * Conforms to "ACPI Specification for Status Override Table" 719 * 6 January 2015 720 * 721 ******************************************************************************/ 722 723 struct acpi_table_stao { 724 struct acpi_table_header header; /* Common ACPI table header */ 725 u8 ignore_uart; 726 }; 727 728 /******************************************************************************* 729 * 730 * WPBT - Windows Platform Environment Table (ACPI 6.0) 731 * Version 1 732 * 733 * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011 734 * 735 ******************************************************************************/ 736 737 struct acpi_table_wpbt { 738 struct acpi_table_header header; /* Common ACPI table header */ 739 u32 handoff_size; 740 u64 handoff_address; 741 u8 layout; 742 u8 type; 743 u16 arguments_length; 744 }; 745 746 /******************************************************************************* 747 * 748 * XENV - Xen Environment Table (ACPI 6.0) 749 * Version 1 750 * 751 * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015 752 * 753 ******************************************************************************/ 754 755 struct acpi_table_xenv { 756 struct acpi_table_header header; /* Common ACPI table header */ 757 u64 grant_table_address; 758 u64 grant_table_size; 759 u32 event_interrupt; 760 u8 event_flags; 761 }; 762 763 /* Reset to default packing */ 764 765 #pragma pack() 766 767 #endif /* __ACTBL3_H__ */ 768