include/acpi/actbl2.h

   1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
   5  *
   6  * Copyright (C) 2000 - 2023, Intel Corp.
   7  *
   8  *****************************************************************************/
   9
  10 #ifndef __ACTBL2_H__
  11 #define __ACTBL2_H__
  12
  13 /*******************************************************************************
  14  *
  15  * Additional ACPI Tables (2)
  16  *
  17  * These tables are not consumed directly by the ACPICA subsystem, but are
  18  * included here to support device drivers and the AML disassembler.
  19  *
  20  ******************************************************************************/
  21
  22 /*
  23  * Values for description table header signatures for tables defined in this
  24  * file. Useful because they make it more difficult to inadvertently type in
  25  * the wrong signature.
  26  */
  27 #define ACPI_SIG_AGDI           "AGDI"  /* Arm Generic Diagnostic Dump and Reset Device Interface */
  28 #define ACPI_SIG_APMT           "APMT"  /* Arm Performance Monitoring Unit table */
  29 #define ACPI_SIG_BDAT           "BDAT"  /* BIOS Data ACPI Table */
  30 #define ACPI_SIG_CCEL           "CCEL"  /* CC Event Log Table */
  31 #define ACPI_SIG_CDAT           "CDAT"  /* Coherent Device Attribute Table */
  32 #define ACPI_SIG_IORT           "IORT"  /* IO Remapping Table */
  33 #define ACPI_SIG_IVRS           "IVRS"  /* I/O Virtualization Reporting Structure */
  34 #define ACPI_SIG_LPIT           "LPIT"  /* Low Power Idle Table */
  35 #define ACPI_SIG_MADT           "APIC"  /* Multiple APIC Description Table */
  36 #define ACPI_SIG_MCFG           "MCFG"  /* PCI Memory Mapped Configuration table */
  37 #define ACPI_SIG_MCHI           "MCHI"  /* Management Controller Host Interface table */
  38 #define ACPI_SIG_MPAM           "MPAM"  /* Memory System Resource Partitioning and Monitoring Table */
  39 #define ACPI_SIG_MPST           "MPST"  /* Memory Power State Table */
  40 #define ACPI_SIG_MSDM           "MSDM"  /* Microsoft Data Management Table */
  41 #define ACPI_SIG_NFIT           "NFIT"  /* NVDIMM Firmware Interface Table */
  42 #define ACPI_SIG_NHLT           "NHLT"  /* Non HD Audio Link Table */
  43 #define ACPI_SIG_PCCT           "PCCT"  /* Platform Communications Channel Table */
  44 #define ACPI_SIG_PDTT           "PDTT"  /* Platform Debug Trigger Table */
  45 #define ACPI_SIG_PHAT           "PHAT"  /* Platform Health Assessment Table */
  46 #define ACPI_SIG_PMTT           "PMTT"  /* Platform Memory Topology Table */
  47 #define ACPI_SIG_PPTT           "PPTT"  /* Processor Properties Topology Table */
  48 #define ACPI_SIG_PRMT           "PRMT"  /* Platform Runtime Mechanism Table */
  49 #define ACPI_SIG_RASF           "RASF"  /* RAS Feature table */
  50 #define ACPI_SIG_RAS2           "RAS2"  /* RAS2 Feature table */
  51 #define ACPI_SIG_RGRT           "RGRT"  /* Regulatory Graphics Resource Table */
  52 #define ACPI_SIG_RHCT           "RHCT"  /* RISC-V Hart Capabilities Table */
  53 #define ACPI_SIG_SBST           "SBST"  /* Smart Battery Specification Table */
  54 #define ACPI_SIG_SDEI           "SDEI"  /* Software Delegated Exception Interface Table */
  55 #define ACPI_SIG_SDEV           "SDEV"  /* Secure Devices table */
  56 #define ACPI_SIG_SVKL           "SVKL"  /* Storage Volume Key Location Table */
  57 #define ACPI_SIG_TDEL           "TDEL"  /* TD Event Log Table */
  58
  59 /*
  60  * All tables must be byte-packed to match the ACPI specification, since
  61  * the tables are provided by the system BIOS.
  62  */
  63 #pragma pack(1)
  64
  65 /*
  66  * Note: C bitfields are not used for this reason:
  67  *
  68  * "Bitfields are great and easy to read, but unfortunately the C language
  69  * does not specify the layout of bitfields in memory, which means they are
  70  * essentially useless for dealing with packed data in on-disk formats or
  71  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
  72  * this decision was a design error in C. Ritchie could have picked an order
  73  * and stuck with it." Norman Ramsey.
  74  * See http://stackoverflow.com/a/1053662/41661
  75  */
  76
  77 /*******************************************************************************
  78  *
  79  * AEST - Arm Error Source Table
  80  *
  81  * Conforms to: ACPI for the Armv8 RAS Extensions 1.1(Sep 2020) and
  82  * 2.0(May 2023) Platform Design Document.
  83  *
  84  ******************************************************************************/
  85
  86 struct acpi_table_aest {
  87         struct acpi_table_header header;
  88 };
  89
  90 /* Common Subtable header - one per Node Structure (Subtable) */
  91
  92 struct acpi_aest_hdr {
  93         u8 type;
  94         u16 length;
  95         u8 reserved;
  96         u32 node_specific_offset;
  97         u32 node_interface_offset;
  98         u32 node_interrupt_offset;
  99         u32 node_interrupt_count;
 100         u64 timestamp_rate;
 101         u64 reserved1;
 102         u64 error_injection_rate;
 103 };
 104
 105 /* Values for Type above */
 106
 107 #define ACPI_AEST_PROCESSOR_ERROR_NODE      0
 108 #define ACPI_AEST_MEMORY_ERROR_NODE         1
 109 #define ACPI_AEST_SMMU_ERROR_NODE           2
 110 #define ACPI_AEST_VENDOR_ERROR_NODE         3
 111 #define ACPI_AEST_GIC_ERROR_NODE            4
 112 #define ACPI_AEST_PCIE_ERROR_NODE           5
 113 #define ACPI_AEST_PROXY_ERROR_NODE          6
 114 #define ACPI_AEST_NODE_TYPE_RESERVED        7 /* 7 and above are reserved */
 115
 116 /*
 117  * AEST subtables (Error nodes)
 118  */
 119
 120 /* 0: Processor Error */
 121
 122 typedef struct acpi_aest_processor {
 123         u32 processor_id;
 124         u8 resource_type;
 125         u8 reserved;
 126         u8 flags;
 127         u8 revision;
 128         u64 processor_affinity;
 129
 130 } acpi_aest_processor;
 131
 132 /* Values for resource_type above, related structs below */
 133
 134 #define ACPI_AEST_CACHE_RESOURCE            0
 135 #define ACPI_AEST_TLB_RESOURCE              1
 136 #define ACPI_AEST_GENERIC_RESOURCE          2
 137 #define ACPI_AEST_RESOURCE_RESERVED         3   /* 3 and above are reserved */
 138
 139 /* 0R: Processor Cache Resource Substructure */
 140
 141 typedef struct acpi_aest_processor_cache {
 142         u32 cache_reference;
 143         u32 reserved;
 144
 145 } acpi_aest_processor_cache;
 146
 147 /* Values for cache_type above */
 148
 149 #define ACPI_AEST_CACHE_DATA                0
 150 #define ACPI_AEST_CACHE_INSTRUCTION         1
 151 #define ACPI_AEST_CACHE_UNIFIED             2
 152 #define ACPI_AEST_CACHE_RESERVED            3   /* 3 and above are reserved */
 153
 154 /* 1R: Processor TLB Resource Substructure */
 155
 156 typedef struct acpi_aest_processor_tlb {
 157         u32 tlb_level;
 158         u32 reserved;
 159
 160 } acpi_aest_processor_tlb;
 161
 162 /* 2R: Processor Generic Resource Substructure */
 163
 164 typedef struct acpi_aest_processor_generic {
 165         u32 resource;
 166
 167 } acpi_aest_processor_generic;
 168
 169 /* 1: Memory Error */
 170
 171 typedef struct acpi_aest_memory {
 172         u32 srat_proximity_domain;
 173
 174 } acpi_aest_memory;
 175
 176 /* 2: Smmu Error */
 177
 178 typedef struct acpi_aest_smmu {
 179         u32 iort_node_reference;
 180         u32 subcomponent_reference;
 181
 182 } acpi_aest_smmu;
 183
 184 /* 3: Vendor Defined */
 185
 186 typedef struct acpi_aest_vendor {
 187         u32 acpi_hid;
 188         u32 acpi_uid;
 189         u8 vendor_specific_data[16];
 190
 191 } acpi_aest_vendor;
 192
 193 struct acpi_aest_vendor_v2 {
 194         char acpi_hid[8];
 195         u32 acpi_uid;
 196         u8 vendor_specific_data[16];
 197 };
 198
 199 /* 4: Gic Error */
 200
 201 typedef struct acpi_aest_gic {
 202         u32 interface_type;
 203         u32 instance_id;
 204
 205 } acpi_aest_gic;
 206
 207 /* Values for interface_type above */
 208
 209 #define ACPI_AEST_GIC_CPU                   0
 210 #define ACPI_AEST_GIC_DISTRIBUTOR           1
 211 #define ACPI_AEST_GIC_REDISTRIBUTOR         2
 212 #define ACPI_AEST_GIC_ITS                   3
 213 #define ACPI_AEST_GIC_RESERVED              4   /* 4 and above are reserved */
 214
 215 /* 5: PCIe Error */
 216
 217 struct acpi_aest_pcie {
 218         u32 iort_node_reference;
 219 };
 220
 221 /* 6: Proxy Error */
 222
 223 struct acpi_aest_proxy {
 224         u64 node_address;
 225 };
 226
 227 /* Node Interface Structure */
 228
 229 typedef struct acpi_aest_node_interface {
 230         u8 type;
 231         u8 reserved[3];
 232         u32 flags;
 233         u64 address;
 234         u32 error_record_index;
 235         u32 error_record_count;
 236         u64 error_record_implemented;
 237         u64 error_status_reporting;
 238         u64 addressing_mode;
 239
 240 } acpi_aest_node_interface;
 241
 242 /* Node Interface Structure V2 */
 243
 244 struct acpi_aest_node_interface_header {
 245         u8 type;
 246         u8 group_format;
 247         u8 reserved[2];
 248         u32 flags;
 249         u64 address;
 250         u32 error_record_index;
 251         u32 error_record_count;
 252 };
 253
 254 #define ACPI_AEST_NODE_GROUP_FORMAT_4K          0
 255 #define ACPI_AEST_NODE_GROUP_FORMAT_16K         1
 256 #define ACPI_AEST_NODE_GROUP_FORMAT_64K         2
 257
 258 struct acpi_aest_node_interface_common {
 259         u32 error_node_device;
 260         u32 processor_affinity;
 261         u64 error_group_register_base;
 262         u64 fault_inject_register_base;
 263         u64 interrupt_config_register_base;
 264 };
 265
 266 struct acpi_aest_node_interface_4k {
 267         u64 error_record_implemented;
 268         u64 error_status_reporting;
 269         u64 addressing_mode;
 270         struct acpi_aest_node_interface_common common;
 271 };
 272
 273 struct acpi_aest_node_interface_16k {
 274         u64 error_record_implemented[4];
 275         u64 error_status_reporting[4];
 276         u64 addressing_mode[4];
 277         struct acpi_aest_node_interface_common common;
 278 };
 279
 280 struct acpi_aest_node_interface_64k {
 281         u64 error_record_implemented[14];
 282         u64 error_status_reporting[14];
 283         u64 addressing_mode[14];
 284         struct acpi_aest_node_interface_common common;
 285 };
 286
 287 /* Values for Type field above */
 288
 289 #define ACPI_AEST_NODE_SYSTEM_REGISTER                  0
 290 #define ACPI_AEST_NODE_MEMORY_MAPPED                    1
 291 #define ACPI_AEST_NODE_SINGLE_RECORD_MEMORY_MAPPED      2
 292 #define ACPI_AEST_XFACE_RESERVED                        3   /* 2 and above are reserved */
 293
 294 /* Node Interrupt Structure */
 295
 296 typedef struct acpi_aest_node_interrupt {
 297         u8 type;
 298         u8 reserved[2];
 299         u8 flags;
 300         u32 gsiv;
 301         u8 iort_id;
 302         u8 reserved1[3];
 303
 304 } acpi_aest_node_interrupt;
 305
 306 /* Node Interrupt Structure V2 */
 307
 308 struct acpi_aest_node_interrupt_v2 {
 309         u8 type;
 310         u8 reserved[2];
 311         u8 flags;
 312         u32 gsiv;
 313         u8 reserved1[4];
 314 };
 315
 316 /* Values for Type field above */
 317
 318 #define ACPI_AEST_NODE_FAULT_HANDLING       0
 319 #define ACPI_AEST_NODE_ERROR_RECOVERY       1
 320 #define ACPI_AEST_XRUPT_RESERVED            2   /* 2 and above are reserved */
 321
 322 /*******************************************************************************
 323  * AGDI - Arm Generic Diagnostic Dump and Reset Device Interface
 324  *
 325  * Conforms to "ACPI for Arm Components 1.1, Platform Design Document"
 326  * ARM DEN0093 v1.1
 327  *
 328  ******************************************************************************/
 329 struct acpi_table_agdi {
 330         struct acpi_table_header header;        /* Common ACPI table header */
 331         u8 flags;
 332         u8 reserved[3];
 333         u32 sdei_event;
 334         u32 gsiv;
 335 };
 336
 337 /* Mask for Flags field above */
 338
 339 #define ACPI_AGDI_SIGNALING_MODE (1)
 340
 341 /*******************************************************************************
 342  *
 343  * APMT - ARM Performance Monitoring Unit Table
 344  *
 345  * Conforms to:
 346  * ARM Performance Monitoring Unit Architecture 1.0 Platform Design Document
 347  * ARM DEN0117 v1.0 November 25, 2021
 348  *
 349  ******************************************************************************/
 350
 351 struct acpi_table_apmt {
 352         struct acpi_table_header header;        /* Common ACPI table header */
 353 };
 354
 355 #define ACPI_APMT_NODE_ID_LENGTH                4
 356
 357 /*
 358  * APMT subtables
 359  */
 360 struct acpi_apmt_node {
 361         u16 length;
 362         u8 flags;
 363         u8 type;
 364         u32 id;
 365         u64 inst_primary;
 366         u32 inst_secondary;
 367         u64 base_address0;
 368         u64 base_address1;
 369         u32 ovflw_irq;
 370         u32 reserved;
 371         u32 ovflw_irq_flags;
 372         u32 proc_affinity;
 373         u32 impl_id;
 374 };
 375
 376 /* Masks for Flags field above */
 377
 378 #define ACPI_APMT_FLAGS_DUAL_PAGE               (1<<0)
 379 #define ACPI_APMT_FLAGS_AFFINITY                (1<<1)
 380 #define ACPI_APMT_FLAGS_ATOMIC                  (1<<2)
 381
 382 /* Values for Flags dual page field above */
 383
 384 #define ACPI_APMT_FLAGS_DUAL_PAGE_NSUPP         (0<<0)
 385 #define ACPI_APMT_FLAGS_DUAL_PAGE_SUPP          (1<<0)
 386
 387 /* Values for Flags processor affinity field above */
 388 #define ACPI_APMT_FLAGS_AFFINITY_PROC           (0<<1)
 389 #define ACPI_APMT_FLAGS_AFFINITY_PROC_CONTAINER (1<<1)
 390
 391 /* Values for Flags 64-bit atomic field above */
 392 #define ACPI_APMT_FLAGS_ATOMIC_NSUPP            (0<<2)
 393 #define ACPI_APMT_FLAGS_ATOMIC_SUPP             (1<<2)
 394
 395 /* Values for Type field above */
 396
 397 enum acpi_apmt_node_type {
 398         ACPI_APMT_NODE_TYPE_MC = 0x00,
 399         ACPI_APMT_NODE_TYPE_SMMU = 0x01,
 400         ACPI_APMT_NODE_TYPE_PCIE_ROOT = 0x02,
 401         ACPI_APMT_NODE_TYPE_ACPI = 0x03,
 402         ACPI_APMT_NODE_TYPE_CACHE = 0x04,
 403         ACPI_APMT_NODE_TYPE_COUNT
 404 };
 405
 406 /* Masks for ovflw_irq_flags field above */
 407
 408 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE          (1<<0)
 409 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE          (1<<1)
 410
 411 /* Values for ovflw_irq_flags mode field above */
 412
 413 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_LEVEL    (0<<0)
 414 #define ACPI_APMT_OVFLW_IRQ_FLAGS_MODE_EDGE     (1<<0)
 415
 416 /* Values for ovflw_irq_flags type field above */
 417
 418 #define ACPI_APMT_OVFLW_IRQ_FLAGS_TYPE_WIRED    (0<<1)
 419
 420 /*******************************************************************************
 421  *
 422  * BDAT - BIOS Data ACPI Table
 423  *
 424  * Conforms to "BIOS Data ACPI Table", Interface Specification v4.0 Draft 5
 425  * Nov 2020
 426  *
 427  ******************************************************************************/
 428
 429 struct acpi_table_bdat {
 430         struct acpi_table_header header;
 431         struct acpi_generic_address gas;
 432 };
 433
 434 /*******************************************************************************
 435  *
 436  * CCEL - CC-Event Log
 437  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
 438  *        Trust Domain Extensions (Intel TDX)". Feb 2022
 439  *
 440  ******************************************************************************/
 441
 442 struct acpi_table_ccel {
 443         struct acpi_table_header header;        /* Common ACPI table header */
 444         u8 CCtype;
 445         u8 Ccsub_type;
 446         u16 reserved;
 447         u64 log_area_minimum_length;
 448         u64 log_area_start_address;
 449 };
 450
 451 /*******************************************************************************
 452  *
 453  * IORT - IO Remapping Table
 454  *
 455  * Conforms to "IO Remapping Table System Software on ARM Platforms",
 456  * Document number: ARM DEN 0049E.f, Apr 2024
 457  *
 458  ******************************************************************************/
 459
 460 struct acpi_table_iort {
 461         struct acpi_table_header header;
 462         u32 node_count;
 463         u32 node_offset;
 464         u32 reserved;
 465 };
 466
 467 /*
 468  * IORT subtables
 469  */
 470 struct acpi_iort_node {
 471         u8 type;
 472         u16 length;
 473         u8 revision;
 474         u32 identifier;
 475         u32 mapping_count;
 476         u32 mapping_offset;
 477         char node_data[];
 478 };
 479
 480 /* Values for subtable Type above */
 481
 482 enum acpi_iort_node_type {
 483         ACPI_IORT_NODE_ITS_GROUP = 0x00,
 484         ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 485         ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 486         ACPI_IORT_NODE_SMMU = 0x03,
 487         ACPI_IORT_NODE_SMMU_V3 = 0x04,
 488         ACPI_IORT_NODE_PMCG = 0x05,
 489         ACPI_IORT_NODE_RMR = 0x06,
 490 };
 491
 492 struct acpi_iort_id_mapping {
 493         u32 input_base;         /* Lowest value in input range */
 494         u32 id_count;           /* Number of IDs */
 495         u32 output_base;        /* Lowest value in output range */
 496         u32 output_reference;   /* A reference to the output node */
 497         u32 flags;
 498 };
 499
 500 /* Masks for Flags field above for IORT subtable */
 501
 502 #define ACPI_IORT_ID_SINGLE_MAPPING (1)
 503
 504 struct acpi_iort_memory_access {
 505         u32 cache_coherency;
 506         u8 hints;
 507         u16 reserved;
 508         u8 memory_flags;
 509 };
 510
 511 /* Values for cache_coherency field above */
 512
 513 #define ACPI_IORT_NODE_COHERENT         0x00000001      /* The device node is fully coherent */
 514 #define ACPI_IORT_NODE_NOT_COHERENT     0x00000000      /* The device node is not coherent */
 515
 516 /* Masks for Hints field above */
 517
 518 #define ACPI_IORT_HT_TRANSIENT          (1)
 519 #define ACPI_IORT_HT_WRITE              (1<<1)
 520 #define ACPI_IORT_HT_READ               (1<<2)
 521 #define ACPI_IORT_HT_OVERRIDE           (1<<3)
 522
 523 /* Masks for memory_flags field above */
 524
 525 #define ACPI_IORT_MF_COHERENCY          (1)
 526 #define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
 527 #define ACPI_IORT_MF_CANWBS             (1<<2)
 528
 529 /*
 530  * IORT node specific subtables
 531  */
 532 struct acpi_iort_its_group {
 533         u32 its_count;
 534         u32 identifiers[];      /* GIC ITS identifier array */
 535 };
 536
 537 struct acpi_iort_named_component {
 538         u32 node_flags;
 539         u64 memory_properties;  /* Memory access properties */
 540         u8 memory_address_limit;        /* Memory address size limit */
 541         char device_name[];     /* Path of namespace object */
 542 };
 543
 544 /* Masks for Flags field above */
 545
 546 #define ACPI_IORT_NC_STALL_SUPPORTED    (1)
 547 #define ACPI_IORT_NC_PASID_BITS         (31<<1)
 548
 549 struct acpi_iort_root_complex {
 550         u64 memory_properties;  /* Memory access properties */
 551         u32 ats_attribute;
 552         u32 pci_segment_number;
 553         u8 memory_address_limit;        /* Memory address size limit */
 554         u16 pasid_capabilities; /* PASID Capabilities */
 555         u8 reserved[];          /* Reserved, must be zero */
 556 };
 557
 558 /* Masks for ats_attribute field above */
 559
 560 #define ACPI_IORT_ATS_SUPPORTED         (1)     /* The root complex ATS support */
 561 #define ACPI_IORT_PRI_SUPPORTED         (1<<1)  /* The root complex PRI support */
 562 #define ACPI_IORT_PASID_FWD_SUPPORTED   (1<<2)  /* The root complex PASID forward support */
 563
 564 /* Masks for pasid_capabilities field above */
 565 #define ACPI_IORT_PASID_MAX_WIDTH       (0x1F)  /* Bits 0-4 */
 566
 567 struct acpi_iort_smmu {
 568         u64 base_address;       /* SMMU base address */
 569         u64 span;               /* Length of memory range */
 570         u32 model;
 571         u32 flags;
 572         u32 global_interrupt_offset;
 573         u32 context_interrupt_count;
 574         u32 context_interrupt_offset;
 575         u32 pmu_interrupt_count;
 576         u32 pmu_interrupt_offset;
 577         u64 interrupts[];       /* Interrupt array */
 578 };
 579
 580 /* Values for Model field above */
 581
 582 #define ACPI_IORT_SMMU_V1               0x00000000      /* Generic SMMUv1 */
 583 #define ACPI_IORT_SMMU_V2               0x00000001      /* Generic SMMUv2 */
 584 #define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002      /* ARM Corelink MMU-400 */
 585 #define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003      /* ARM Corelink MMU-500 */
 586 #define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004      /* ARM Corelink MMU-401 */
 587 #define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005      /* Cavium thunder_x SMMUv2 */
 588
 589 /* Masks for Flags field above */
 590
 591 #define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
 592 #define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
 593
 594 /* Global interrupt format */
 595
 596 struct acpi_iort_smmu_gsi {
 597         u32 nsg_irpt;
 598         u32 nsg_irpt_flags;
 599         u32 nsg_cfg_irpt;
 600         u32 nsg_cfg_irpt_flags;
 601 };
 602
 603 struct acpi_iort_smmu_v3 {
 604         u64 base_address;       /* SMMUv3 base address */
 605         u32 flags;
 606         u32 reserved;
 607         u64 vatos_address;
 608         u32 model;
 609         u32 event_gsiv;
 610         u32 pri_gsiv;
 611         u32 gerr_gsiv;
 612         u32 sync_gsiv;
 613         u32 pxm;
 614         u32 id_mapping_index;
 615 };
 616
 617 /* Values for Model field above */
 618
 619 #define ACPI_IORT_SMMU_V3_GENERIC           0x00000000  /* Generic SMMUv3 */
 620 #define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001  /* hi_silicon Hi161x SMMUv3 */
 621 #define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002  /* Cavium CN99xx SMMUv3 */
 622
 623 /* Masks for Flags field above */
 624
 625 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
 626 #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
 627 #define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
 628 #define ACPI_IORT_SMMU_V3_DEVICEID_VALID    (1<<4)
 629
 630 struct acpi_iort_pmcg {
 631         u64 page0_base_address;
 632         u32 overflow_gsiv;
 633         u32 node_reference;
 634         u64 page1_base_address;
 635 };
 636
 637 struct acpi_iort_rmr {
 638         u32 flags;
 639         u32 rmr_count;
 640         u32 rmr_offset;
 641 };
 642
 643 /* Masks for Flags field above */
 644 #define ACPI_IORT_RMR_REMAP_PERMITTED      (1)
 645 #define ACPI_IORT_RMR_ACCESS_PRIVILEGE     (1<<1)
 646
 647 /*
 648  * Macro to access the Access Attributes in flags field above:
 649  *  Access Attributes is encoded in bits 9:2
 650  */
 651 #define ACPI_IORT_RMR_ACCESS_ATTRIBUTES(flags)          (((flags) >> 2) & 0xFF)
 652
 653 /* Values for above Access Attributes */
 654
 655 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRNE   0x00
 656 #define ACPI_IORT_RMR_ATTR_DEVICE_NGNRE    0x01
 657 #define ACPI_IORT_RMR_ATTR_DEVICE_NGRE     0x02
 658 #define ACPI_IORT_RMR_ATTR_DEVICE_GRE      0x03
 659 #define ACPI_IORT_RMR_ATTR_NORMAL_NC       0x04
 660 #define ACPI_IORT_RMR_ATTR_NORMAL_IWB_OWB  0x05
 661
 662 struct acpi_iort_rmr_desc {
 663         u64 base_address;
 664         u64 length;
 665         u32 reserved;
 666 };
 667
 668 /*******************************************************************************
 669  *
 670  * IVRS - I/O Virtualization Reporting Structure
 671  *        Version 1
 672  *
 673  * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
 674  * Revision 1.26, February 2009.
 675  *
 676  ******************************************************************************/
 677
 678 struct acpi_table_ivrs {
 679         struct acpi_table_header header;        /* Common ACPI table header */
 680         u32 info;               /* Common virtualization info */
 681         u64 reserved;
 682 };
 683
 684 /* Values for Info field above */
 685
 686 #define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00  /* 7 bits, physical address size */
 687 #define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000  /* 7 bits, virtual address size */
 688 #define ACPI_IVRS_ATS_RESERVED      0x00400000  /* ATS address translation range reserved */
 689
 690 /* IVRS subtable header */
 691
 692 struct acpi_ivrs_header {
 693         u8 type;                /* Subtable type */
 694         u8 flags;
 695         u16 length;             /* Subtable length */
 696         u16 device_id;          /* ID of IOMMU */
 697 };
 698
 699 /* Values for subtable Type above */
 700
 701 enum acpi_ivrs_type {
 702         ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
 703         ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
 704         ACPI_IVRS_TYPE_HARDWARE3 = 0x40,
 705         ACPI_IVRS_TYPE_MEMORY1 = 0x20,
 706         ACPI_IVRS_TYPE_MEMORY2 = 0x21,
 707         ACPI_IVRS_TYPE_MEMORY3 = 0x22
 708 };
 709
 710 /* Masks for Flags field above for IVHD subtable */
 711
 712 #define ACPI_IVHD_TT_ENABLE         (1)
 713 #define ACPI_IVHD_PASS_PW           (1<<1)
 714 #define ACPI_IVHD_RES_PASS_PW       (1<<2)
 715 #define ACPI_IVHD_ISOC              (1<<3)
 716 #define ACPI_IVHD_IOTLB             (1<<4)
 717
 718 /* Masks for Flags field above for IVMD subtable */
 719
 720 #define ACPI_IVMD_UNITY             (1)
 721 #define ACPI_IVMD_READ              (1<<1)
 722 #define ACPI_IVMD_WRITE             (1<<2)
 723 #define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
 724
 725 /*
 726  * IVRS subtables, correspond to Type in struct acpi_ivrs_header
 727  */
 728
 729 /* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
 730
 731 struct acpi_ivrs_hardware_10 {
 732         struct acpi_ivrs_header header;
 733         u16 capability_offset;  /* Offset for IOMMU control fields */
 734         u64 base_address;       /* IOMMU control registers */
 735         u16 pci_segment_group;
 736         u16 info;               /* MSI number and unit ID */
 737         u32 feature_reporting;
 738 };
 739
 740 /* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
 741
 742 struct acpi_ivrs_hardware_11 {
 743         struct acpi_ivrs_header header;
 744         u16 capability_offset;  /* Offset for IOMMU control fields */
 745         u64 base_address;       /* IOMMU control registers */
 746         u16 pci_segment_group;
 747         u16 info;               /* MSI number and unit ID */
 748         u32 attributes;
 749         u64 efr_register_image;
 750         u64 reserved;
 751 };
 752
 753 /* Masks for Info field above */
 754
 755 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F      /* 5 bits, MSI message number */
 756 #define ACPI_IVHD_UNIT_ID_MASK      0x1F00      /* 5 bits, unit_ID */
 757
 758 /*
 759  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
 760  * Upper two bits of the Type field are the (encoded) length of the structure.
 761  * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
 762  * are reserved for future use but not defined.
 763  */
 764 struct acpi_ivrs_de_header {
 765         u8 type;
 766         u16 id;
 767         u8 data_setting;
 768 };
 769
 770 /* Length of device entry is in the top two bits of Type field above */
 771
 772 #define ACPI_IVHD_ENTRY_LENGTH      0xC0
 773
 774 /* Values for device entry Type field above */
 775
 776 enum acpi_ivrs_device_entry_type {
 777         /* 4-byte device entries, all use struct acpi_ivrs_device4 */
 778
 779         ACPI_IVRS_TYPE_PAD4 = 0,
 780         ACPI_IVRS_TYPE_ALL = 1,
 781         ACPI_IVRS_TYPE_SELECT = 2,
 782         ACPI_IVRS_TYPE_START = 3,
 783         ACPI_IVRS_TYPE_END = 4,
 784
 785         /* 8-byte device entries */
 786
 787         ACPI_IVRS_TYPE_PAD8 = 64,
 788         ACPI_IVRS_TYPE_NOT_USED = 65,
 789         ACPI_IVRS_TYPE_ALIAS_SELECT = 66,       /* Uses struct acpi_ivrs_device8a */
 790         ACPI_IVRS_TYPE_ALIAS_START = 67,        /* Uses struct acpi_ivrs_device8a */
 791         ACPI_IVRS_TYPE_EXT_SELECT = 70, /* Uses struct acpi_ivrs_device8b */
 792         ACPI_IVRS_TYPE_EXT_START = 71,  /* Uses struct acpi_ivrs_device8b */
 793         ACPI_IVRS_TYPE_SPECIAL = 72,    /* Uses struct acpi_ivrs_device8c */
 794
 795         /* Variable-length device entries */
 796
 797         ACPI_IVRS_TYPE_HID = 240        /* Uses ACPI_IVRS_DEVICE_HID */
 798 };
 799
 800 /* Values for Data field above */
 801
 802 #define ACPI_IVHD_INIT_PASS         (1)
 803 #define ACPI_IVHD_EINT_PASS         (1<<1)
 804 #define ACPI_IVHD_NMI_PASS          (1<<2)
 805 #define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
 806 #define ACPI_IVHD_LINT0_PASS        (1<<6)
 807 #define ACPI_IVHD_LINT1_PASS        (1<<7)
 808
 809 /* Types 0-4: 4-byte device entry */
 810
 811 struct acpi_ivrs_device4 {
 812         struct acpi_ivrs_de_header header;
 813 };
 814
 815 /* Types 66-67: 8-byte device entry */
 816
 817 struct acpi_ivrs_device8a {
 818         struct acpi_ivrs_de_header header;
 819         u8 reserved1;
 820         u16 used_id;
 821         u8 reserved2;
 822 };
 823
 824 /* Types 70-71: 8-byte device entry */
 825
 826 struct acpi_ivrs_device8b {
 827         struct acpi_ivrs_de_header header;
 828         u32 extended_data;
 829 };
 830
 831 /* Values for extended_data above */
 832
 833 #define ACPI_IVHD_ATS_DISABLED      (1<<31)
 834
 835 /* Type 72: 8-byte device entry */
 836
 837 struct acpi_ivrs_device8c {
 838         struct acpi_ivrs_de_header header;
 839         u8 handle;
 840         u16 used_id;
 841         u8 variety;
 842 };
 843
 844 /* Values for Variety field above */
 845
 846 #define ACPI_IVHD_IOAPIC            1
 847 #define ACPI_IVHD_HPET              2
 848
 849 /* Type 240: variable-length device entry */
 850
 851 struct acpi_ivrs_device_hid {
 852         struct acpi_ivrs_de_header header;
 853         u64 acpi_hid;
 854         u64 acpi_cid;
 855         u8 uid_type;
 856         u8 uid_length;
 857 };
 858
 859 /* Values for uid_type above */
 860
 861 #define ACPI_IVRS_UID_NOT_PRESENT   0
 862 #define ACPI_IVRS_UID_IS_INTEGER    1
 863 #define ACPI_IVRS_UID_IS_STRING     2
 864
 865 /* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
 866
 867 struct acpi_ivrs_memory {
 868         struct acpi_ivrs_header header;
 869         u16 aux_data;
 870         u64 reserved;
 871         u64 start_address;
 872         u64 memory_length;
 873 };
 874
 875 /*******************************************************************************
 876  *
 877  * LPIT - Low Power Idle Table
 878  *
 879  * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
 880  *
 881  ******************************************************************************/
 882
 883 struct acpi_table_lpit {
 884         struct acpi_table_header header;        /* Common ACPI table header */
 885 };
 886
 887 /* LPIT subtable header */
 888
 889 struct acpi_lpit_header {
 890         u32 type;               /* Subtable type */
 891         u32 length;             /* Subtable length */
 892         u16 unique_id;
 893         u16 reserved;
 894         u32 flags;
 895 };
 896
 897 /* Values for subtable Type above */
 898
 899 enum acpi_lpit_type {
 900         ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
 901         ACPI_LPIT_TYPE_RESERVED = 0x01  /* 1 and above are reserved */
 902 };
 903
 904 /* Masks for Flags field above  */
 905
 906 #define ACPI_LPIT_STATE_DISABLED    (1)
 907 #define ACPI_LPIT_NO_COUNTER        (1<<1)
 908
 909 /*
 910  * LPIT subtables, correspond to Type in struct acpi_lpit_header
 911  */
 912
 913 /* 0x00: Native C-state instruction based LPI structure */
 914
 915 struct acpi_lpit_native {
 916         struct acpi_lpit_header header;
 917         struct acpi_generic_address entry_trigger;
 918         u32 residency;
 919         u32 latency;
 920         struct acpi_generic_address residency_counter;
 921         u64 counter_frequency;
 922 };
 923
 924 /*******************************************************************************
 925  *
 926  * MADT - Multiple APIC Description Table
 927  *        Version 3
 928  *
 929  ******************************************************************************/
 930
 931 struct acpi_table_madt {
 932         struct acpi_table_header header;        /* Common ACPI table header */
 933         u32 address;            /* Physical address of local APIC */
 934         u32 flags;
 935 };
 936
 937 /* Masks for Flags field above */
 938
 939 #define ACPI_MADT_PCAT_COMPAT       (1) /* 00: System also has dual 8259s */
 940
 941 /* Values for PCATCompat flag */
 942
 943 #define ACPI_MADT_DUAL_PIC          1
 944 #define ACPI_MADT_MULTIPLE_APIC     0
 945
 946 /* Values for MADT subtable type in struct acpi_subtable_header */
 947
 948 enum acpi_madt_type {
 949         ACPI_MADT_TYPE_LOCAL_APIC = 0,
 950         ACPI_MADT_TYPE_IO_APIC = 1,
 951         ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
 952         ACPI_MADT_TYPE_NMI_SOURCE = 3,
 953         ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
 954         ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
 955         ACPI_MADT_TYPE_IO_SAPIC = 6,
 956         ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
 957         ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
 958         ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
 959         ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
 960         ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
 961         ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
 962         ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
 963         ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
 964         ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
 965         ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16,
 966         ACPI_MADT_TYPE_CORE_PIC = 17,
 967         ACPI_MADT_TYPE_LIO_PIC = 18,
 968         ACPI_MADT_TYPE_HT_PIC = 19,
 969         ACPI_MADT_TYPE_EIO_PIC = 20,
 970         ACPI_MADT_TYPE_MSI_PIC = 21,
 971         ACPI_MADT_TYPE_BIO_PIC = 22,
 972         ACPI_MADT_TYPE_LPC_PIC = 23,
 973         ACPI_MADT_TYPE_RINTC = 24,
 974         ACPI_MADT_TYPE_IMSIC = 25,
 975         ACPI_MADT_TYPE_APLIC = 26,
 976         ACPI_MADT_TYPE_PLIC = 27,
 977         ACPI_MADT_TYPE_RESERVED = 28,   /* 28 to 0x7F are reserved */
 978         ACPI_MADT_TYPE_OEM_RESERVED = 0x80      /* 0x80 to 0xFF are reserved for OEM use */
 979 };
 980
 981 /*
 982  * MADT Subtables, correspond to Type in struct acpi_subtable_header
 983  */
 984
 985 /* 0: Processor Local APIC */
 986
 987 struct acpi_madt_local_apic {
 988         struct acpi_subtable_header header;
 989         u8 processor_id;        /* ACPI processor id */
 990         u8 id;                  /* Processor's local APIC id */
 991         u32 lapic_flags;
 992 };
 993
 994 /* 1: IO APIC */
 995
 996 struct acpi_madt_io_apic {
 997         struct acpi_subtable_header header;
 998         u8 id;                  /* I/O APIC ID */
 999         u8 reserved;            /* reserved - must be zero */
1000         u32 address;            /* APIC physical address */
1001         u32 global_irq_base;    /* Global system interrupt where INTI lines start */
1002 };
1003
1004 /* 2: Interrupt Override */
1005
1006 struct acpi_madt_interrupt_override {
1007         struct acpi_subtable_header header;
1008         u8 bus;                 /* 0 - ISA */
1009         u8 source_irq;          /* Interrupt source (IRQ) */
1010         u32 global_irq;         /* Global system interrupt */
1011         u16 inti_flags;
1012 };
1013
1014 /* 3: NMI Source */
1015
1016 struct acpi_madt_nmi_source {
1017         struct acpi_subtable_header header;
1018         u16 inti_flags;
1019         u32 global_irq;         /* Global system interrupt */
1020 };
1021
1022 /* 4: Local APIC NMI */
1023
1024 struct acpi_madt_local_apic_nmi {
1025         struct acpi_subtable_header header;
1026         u8 processor_id;        /* ACPI processor id */
1027         u16 inti_flags;
1028         u8 lint;                /* LINTn to which NMI is connected */
1029 };
1030
1031 /* 5: Address Override */
1032
1033 struct acpi_madt_local_apic_override {
1034         struct acpi_subtable_header header;
1035         u16 reserved;           /* Reserved, must be zero */
1036         u64 address;            /* APIC physical address */
1037 };
1038
1039 /* 6: I/O Sapic */
1040
1041 struct acpi_madt_io_sapic {
1042         struct acpi_subtable_header header;
1043         u8 id;                  /* I/O SAPIC ID */
1044         u8 reserved;            /* Reserved, must be zero */
1045         u32 global_irq_base;    /* Global interrupt for SAPIC start */
1046         u64 address;            /* SAPIC physical address */
1047 };
1048
1049 /* 7: Local Sapic */
1050
1051 struct acpi_madt_local_sapic {
1052         struct acpi_subtable_header header;
1053         u8 processor_id;        /* ACPI processor id */
1054         u8 id;                  /* SAPIC ID */
1055         u8 eid;                 /* SAPIC EID */
1056         u8 reserved[3];         /* Reserved, must be zero */
1057         u32 lapic_flags;
1058         u32 uid;                /* Numeric UID - ACPI 3.0 */
1059         char uid_string[];      /* String UID  - ACPI 3.0 */
1060 };
1061
1062 /* 8: Platform Interrupt Source */
1063
1064 struct acpi_madt_interrupt_source {
1065         struct acpi_subtable_header header;
1066         u16 inti_flags;
1067         u8 type;                /* 1=PMI, 2=INIT, 3=corrected */
1068         u8 id;                  /* Processor ID */
1069         u8 eid;                 /* Processor EID */
1070         u8 io_sapic_vector;     /* Vector value for PMI interrupts */
1071         u32 global_irq;         /* Global system interrupt */
1072         u32 flags;              /* Interrupt Source Flags */
1073 };
1074
1075 /* Masks for Flags field above */
1076
1077 #define ACPI_MADT_CPEI_OVERRIDE     (1)
1078
1079 /* 9: Processor Local X2APIC (ACPI 4.0) */
1080
1081 struct acpi_madt_local_x2apic {
1082         struct acpi_subtable_header header;
1083         u16 reserved;           /* reserved - must be zero */
1084         u32 local_apic_id;      /* Processor x2APIC ID  */
1085         u32 lapic_flags;
1086         u32 uid;                /* ACPI processor UID */
1087 };
1088
1089 /* 10: Local X2APIC NMI (ACPI 4.0) */
1090
1091 struct acpi_madt_local_x2apic_nmi {
1092         struct acpi_subtable_header header;
1093         u16 inti_flags;
1094         u32 uid;                /* ACPI processor UID */
1095         u8 lint;                /* LINTn to which NMI is connected */
1096         u8 reserved[3];         /* reserved - must be zero */
1097 };
1098
1099 /* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */
1100
1101 struct acpi_madt_generic_interrupt {
1102         struct acpi_subtable_header header;
1103         u16 reserved;           /* reserved - must be zero */
1104         u32 cpu_interface_number;
1105         u32 uid;
1106         u32 flags;
1107         u32 parking_version;
1108         u32 performance_interrupt;
1109         u64 parked_address;
1110         u64 base_address;
1111         u64 gicv_base_address;
1112         u64 gich_base_address;
1113         u32 vgic_interrupt;
1114         u64 gicr_base_address;
1115         u64 arm_mpidr;
1116         u8 efficiency_class;
1117         u8 reserved2[1];
1118         u16 spe_interrupt;      /* ACPI 6.3 */
1119         u16 trbe_interrupt;     /* ACPI 6.5 */
1120 };
1121
1122 /* Masks for Flags field above */
1123
1124 /* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
1125 #define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)  /* 01: Performance Interrupt Mode */
1126 #define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)  /* 02: VGIC Maintenance Interrupt mode */
1127 #define ACPI_MADT_GICC_ONLINE_CAPABLE   (1<<3)  /* 03: Processor is online capable  */
1128 #define ACPI_MADT_GICC_NON_COHERENT     (1<<4)  /* 04: GIC redistributor is not coherent */
1129
1130 /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
1131
1132 struct acpi_madt_generic_distributor {
1133         struct acpi_subtable_header header;
1134         u16 reserved;           /* reserved - must be zero */
1135         u32 gic_id;
1136         u64 base_address;
1137         u32 global_irq_base;
1138         u8 version;
1139         u8 reserved2[3];        /* reserved - must be zero */
1140 };
1141
1142 /* Values for Version field above */
1143
1144 enum acpi_madt_gic_version {
1145         ACPI_MADT_GIC_VERSION_NONE = 0,
1146         ACPI_MADT_GIC_VERSION_V1 = 1,
1147         ACPI_MADT_GIC_VERSION_V2 = 2,
1148         ACPI_MADT_GIC_VERSION_V3 = 3,
1149         ACPI_MADT_GIC_VERSION_V4 = 4,
1150         ACPI_MADT_GIC_VERSION_RESERVED = 5      /* 5 and greater are reserved */
1151 };
1152
1153 /* 13: Generic MSI Frame (ACPI 5.1) */
1154
1155 struct acpi_madt_generic_msi_frame {
1156         struct acpi_subtable_header header;
1157         u16 reserved;           /* reserved - must be zero */
1158         u32 msi_frame_id;
1159         u64 base_address;
1160         u32 flags;
1161         u16 spi_count;
1162         u16 spi_base;
1163 };
1164
1165 /* Masks for Flags field above */
1166
1167 #define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
1168
1169 /* 14: Generic Redistributor (ACPI 5.1) */
1170
1171 struct acpi_madt_generic_redistributor {
1172         struct acpi_subtable_header header;
1173         u8 flags;
1174         u8 reserved;            /* reserved - must be zero */
1175         u64 base_address;
1176         u32 length;
1177 };
1178
1179 #define ACPI_MADT_GICR_NON_COHERENT     (1)
1180
1181 /* 15: Generic Translator (ACPI 6.0) */
1182
1183 struct acpi_madt_generic_translator {
1184         struct acpi_subtable_header header;
1185         u8 flags;
1186         u8 reserved;            /* reserved - must be zero */
1187         u32 translation_id;
1188         u64 base_address;
1189         u32 reserved2;
1190 };
1191
1192 #define ACPI_MADT_ITS_NON_COHERENT      (1)
1193
1194 /* 16: Multiprocessor wakeup (ACPI 6.4) */
1195
1196 struct acpi_madt_multiproc_wakeup {
1197         struct acpi_subtable_header header;
1198         u16 version;
1199         u32 reserved;           /* reserved - must be zero */
1200         u64 mailbox_address;
1201         u64 reset_vector;
1202 };
1203
1204 /* Values for Version field above */
1205
1206 enum acpi_madt_multiproc_wakeup_version {
1207         ACPI_MADT_MP_WAKEUP_VERSION_NONE = 0,
1208         ACPI_MADT_MP_WAKEUP_VERSION_V1 = 1,
1209         ACPI_MADT_MP_WAKEUP_VERSION_RESERVED = 2, /* 2 and greater are reserved */
1210 };
1211
1212 #define ACPI_MADT_MP_WAKEUP_SIZE_V0     16
1213 #define ACPI_MADT_MP_WAKEUP_SIZE_V1     24
1214
1215 #define ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE        2032
1216 #define ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE  2048
1217
1218 struct acpi_madt_multiproc_wakeup_mailbox {
1219         u16 command;
1220         u16 reserved;           /* reserved - must be zero */
1221         u32 apic_id;
1222         u64 wakeup_vector;
1223         u8 reserved_os[ACPI_MULTIPROC_WAKEUP_MB_OS_SIZE];       /* reserved for OS use */
1224         u8 reserved_firmware[ACPI_MULTIPROC_WAKEUP_MB_FIRMWARE_SIZE];   /* reserved for firmware use */
1225 };
1226
1227 #define ACPI_MP_WAKE_COMMAND_WAKEUP     1
1228 #define ACPI_MP_WAKE_COMMAND_TEST       2
1229
1230 /* 17: CPU Core Interrupt Controller (ACPI 6.5) */
1231
1232 struct acpi_madt_core_pic {
1233         struct acpi_subtable_header header;
1234         u8 version;
1235         u32 processor_id;
1236         u32 core_id;
1237         u32 flags;
1238 };
1239
1240 /* Values for Version field above */
1241
1242 enum acpi_madt_core_pic_version {
1243         ACPI_MADT_CORE_PIC_VERSION_NONE = 0,
1244         ACPI_MADT_CORE_PIC_VERSION_V1 = 1,
1245         ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */
1246 };
1247
1248 /* 18: Legacy I/O Interrupt Controller (ACPI 6.5) */
1249
1250 struct acpi_madt_lio_pic {
1251         struct acpi_subtable_header header;
1252         u8 version;
1253         u64 address;
1254         u16 size;
1255         u8 cascade[2];
1256         u32 cascade_map[2];
1257 };
1258
1259 /* Values for Version field above */
1260
1261 enum acpi_madt_lio_pic_version {
1262         ACPI_MADT_LIO_PIC_VERSION_NONE = 0,
1263         ACPI_MADT_LIO_PIC_VERSION_V1 = 1,
1264         ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2  /* 2 and greater are reserved */
1265 };
1266
1267 /* 19: HT Interrupt Controller (ACPI 6.5) */
1268
1269 struct acpi_madt_ht_pic {
1270         struct acpi_subtable_header header;
1271         u8 version;
1272         u64 address;
1273         u16 size;
1274         u8 cascade[8];
1275 };
1276
1277 /* Values for Version field above */
1278
1279 enum acpi_madt_ht_pic_version {
1280         ACPI_MADT_HT_PIC_VERSION_NONE = 0,
1281         ACPI_MADT_HT_PIC_VERSION_V1 = 1,
1282         ACPI_MADT_HT_PIC_VERSION_RESERVED = 2   /* 2 and greater are reserved */
1283 };
1284
1285 /* 20: Extend I/O Interrupt Controller (ACPI 6.5) */
1286
1287 struct acpi_madt_eio_pic {
1288         struct acpi_subtable_header header;
1289         u8 version;
1290         u8 cascade;
1291         u8 node;
1292         u64 node_map;
1293 };
1294
1295 /* Values for Version field above */
1296
1297 enum acpi_madt_eio_pic_version {
1298         ACPI_MADT_EIO_PIC_VERSION_NONE = 0,
1299         ACPI_MADT_EIO_PIC_VERSION_V1 = 1,
1300         ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2  /* 2 and greater are reserved */
1301 };
1302
1303 /* 21: MSI Interrupt Controller (ACPI 6.5) */
1304
1305 struct acpi_madt_msi_pic {
1306         struct acpi_subtable_header header;
1307         u8 version;
1308         u64 msg_address;
1309         u32 start;
1310         u32 count;
1311 };
1312
1313 /* Values for Version field above */
1314
1315 enum acpi_madt_msi_pic_version {
1316         ACPI_MADT_MSI_PIC_VERSION_NONE = 0,
1317         ACPI_MADT_MSI_PIC_VERSION_V1 = 1,
1318         ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2  /* 2 and greater are reserved */
1319 };
1320
1321 /* 22: Bridge I/O Interrupt Controller (ACPI 6.5) */
1322
1323 struct acpi_madt_bio_pic {
1324         struct acpi_subtable_header header;
1325         u8 version;
1326         u64 address;
1327         u16 size;
1328         u16 id;
1329         u16 gsi_base;
1330 };
1331
1332 /* Values for Version field above */
1333
1334 enum acpi_madt_bio_pic_version {
1335         ACPI_MADT_BIO_PIC_VERSION_NONE = 0,
1336         ACPI_MADT_BIO_PIC_VERSION_V1 = 1,
1337         ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2  /* 2 and greater are reserved */
1338 };
1339
1340 /* 23: LPC Interrupt Controller (ACPI 6.5) */
1341
1342 struct acpi_madt_lpc_pic {
1343         struct acpi_subtable_header header;
1344         u8 version;
1345         u64 address;
1346         u16 size;
1347         u8 cascade;
1348 };
1349
1350 /* Values for Version field above */
1351
1352 enum acpi_madt_lpc_pic_version {
1353         ACPI_MADT_LPC_PIC_VERSION_NONE = 0,
1354         ACPI_MADT_LPC_PIC_VERSION_V1 = 1,
1355         ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2  /* 2 and greater are reserved */
1356 };
1357
1358 /* 24: RISC-V INTC */
1359 struct acpi_madt_rintc {
1360         struct acpi_subtable_header header;
1361         u8 version;
1362         u8 reserved;
1363         u32 flags;
1364         u64 hart_id;
1365         u32 uid;                /* ACPI processor UID */
1366         u32 ext_intc_id;        /* External INTC Id */
1367         u64 imsic_addr;         /* IMSIC base address */
1368         u32 imsic_size;         /* IMSIC size */
1369 };
1370
1371 /* Values for RISC-V INTC Version field above */
1372
1373 enum acpi_madt_rintc_version {
1374         ACPI_MADT_RINTC_VERSION_NONE = 0,
1375         ACPI_MADT_RINTC_VERSION_V1 = 1,
1376         ACPI_MADT_RINTC_VERSION_RESERVED = 2    /* 2 and greater are reserved */
1377 };
1378
1379 /* 25: RISC-V IMSIC */
1380 struct acpi_madt_imsic {
1381         struct acpi_subtable_header header;
1382         u8 version;
1383         u8 reserved;
1384         u32 flags;
1385         u16 num_ids;
1386         u16 num_guest_ids;
1387         u8 guest_index_bits;
1388         u8 hart_index_bits;
1389         u8 group_index_bits;
1390         u8 group_index_shift;
1391 };
1392
1393 /* 26: RISC-V APLIC */
1394 struct acpi_madt_aplic {
1395         struct acpi_subtable_header header;
1396         u8 version;
1397         u8 id;
1398         u32 flags;
1399         u8 hw_id[8];
1400         u16 num_idcs;
1401         u16 num_sources;
1402         u32 gsi_base;
1403         u64 base_addr;
1404         u32 size;
1405 };
1406
1407 /* 27: RISC-V PLIC */
1408 struct acpi_madt_plic {
1409         struct acpi_subtable_header header;
1410         u8 version;
1411         u8 id;
1412         u8 hw_id[8];
1413         u16 num_irqs;
1414         u16 max_prio;
1415         u32 flags;
1416         u32 size;
1417         u64 base_addr;
1418         u32 gsi_base;
1419 };
1420
1421 /* 80: OEM data */
1422
1423 struct acpi_madt_oem_data {
1424         ACPI_FLEX_ARRAY(u8, oem_data);
1425 };
1426
1427 /*
1428  * Common flags fields for MADT subtables
1429  */
1430
1431 /* MADT Local APIC flags */
1432
1433 #define ACPI_MADT_ENABLED           (1) /* 00: Processor is usable if set */
1434 #define ACPI_MADT_ONLINE_CAPABLE    (2) /* 01: System HW supports enabling processor at runtime */
1435
1436 /* MADT MPS INTI flags (inti_flags) */
1437
1438 #define ACPI_MADT_POLARITY_MASK     (3) /* 00-01: Polarity of APIC I/O input signals */
1439 #define ACPI_MADT_TRIGGER_MASK      (3<<2)      /* 02-03: Trigger mode of APIC input signals */
1440
1441 /* Values for MPS INTI flags */
1442
1443 #define ACPI_MADT_POLARITY_CONFORMS       0
1444 #define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
1445 #define ACPI_MADT_POLARITY_RESERVED       2
1446 #define ACPI_MADT_POLARITY_ACTIVE_LOW     3
1447
1448 #define ACPI_MADT_TRIGGER_CONFORMS        (0)
1449 #define ACPI_MADT_TRIGGER_EDGE            (1<<2)
1450 #define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
1451 #define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
1452
1453 /*******************************************************************************
1454  *
1455  * MCFG - PCI Memory Mapped Configuration table and subtable
1456  *        Version 1
1457  *
1458  * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
1459  *
1460  ******************************************************************************/
1461
1462 struct acpi_table_mcfg {
1463         struct acpi_table_header header;        /* Common ACPI table header */
1464         u8 reserved[8];
1465 };
1466
1467 /* Subtable */
1468
1469 struct acpi_mcfg_allocation {
1470         u64 address;            /* Base address, processor-relative */
1471         u16 pci_segment;        /* PCI segment group number */
1472         u8 start_bus_number;    /* Starting PCI Bus number */
1473         u8 end_bus_number;      /* Final PCI Bus number */
1474         u32 reserved;
1475 };
1476
1477 /*******************************************************************************
1478  *
1479  * MCHI - Management Controller Host Interface Table
1480  *        Version 1
1481  *
1482  * Conforms to "Management Component Transport Protocol (MCTP) Host
1483  * Interface Specification", Revision 1.0.0a, October 13, 2009
1484  *
1485  ******************************************************************************/
1486
1487 struct acpi_table_mchi {
1488         struct acpi_table_header header;        /* Common ACPI table header */
1489         u8 interface_type;
1490         u8 protocol;
1491         u64 protocol_data;
1492         u8 interrupt_type;
1493         u8 gpe;
1494         u8 pci_device_flag;
1495         u32 global_interrupt;
1496         struct acpi_generic_address control_register;
1497         u8 pci_segment;
1498         u8 pci_bus;
1499         u8 pci_device;
1500         u8 pci_function;
1501 };
1502
1503 /*******************************************************************************
1504  *
1505  * MPAM - Memory System Resource Partitioning and Monitoring
1506  *
1507  * Conforms to "ACPI for Memory System Resource Partitioning and Monitoring 2.0"
1508  * Document number: ARM DEN 0065, December, 2022.
1509  *
1510  ******************************************************************************/
1511
1512 /* MPAM RIS locator types. Table 11, Location types */
1513 enum acpi_mpam_locator_type {
1514         ACPI_MPAM_LOCATION_TYPE_PROCESSOR_CACHE = 0,
1515         ACPI_MPAM_LOCATION_TYPE_MEMORY = 1,
1516         ACPI_MPAM_LOCATION_TYPE_SMMU = 2,
1517         ACPI_MPAM_LOCATION_TYPE_MEMORY_CACHE = 3,
1518         ACPI_MPAM_LOCATION_TYPE_ACPI_DEVICE = 4,
1519         ACPI_MPAM_LOCATION_TYPE_INTERCONNECT = 5,
1520         ACPI_MPAM_LOCATION_TYPE_UNKNOWN = 0xFF
1521 };
1522
1523 /* MPAM Functional dependency descriptor. Table 10 */
1524 struct acpi_mpam_func_deps {
1525         u32 producer;
1526         u32 reserved;
1527 };
1528
1529 /* MPAM Processor cache locator descriptor. Table 13 */
1530 struct acpi_mpam_resource_cache_locator {
1531         u64 cache_reference;
1532         u32 reserved;
1533 };
1534
1535 /* MPAM Memory locator descriptor. Table 14 */
1536 struct acpi_mpam_resource_memory_locator {
1537         u64 proximity_domain;
1538         u32 reserved;
1539 };
1540
1541 /* MPAM SMMU locator descriptor. Table 15 */
1542 struct acpi_mpam_resource_smmu_locator {
1543         u64 smmu_interface;
1544         u32 reserved;
1545 };
1546
1547 /* MPAM Memory-side cache locator descriptor. Table 16 */
1548 struct acpi_mpam_resource_memcache_locator {
1549         u8 reserved[7];
1550         u8 level;
1551         u32 reference;
1552 };
1553
1554 /* MPAM ACPI device locator descriptor. Table 17 */
1555 struct acpi_mpam_resource_acpi_locator {
1556         u64 acpi_hw_id;
1557         u32 acpi_unique_id;
1558 };
1559
1560 /* MPAM Interconnect locator descriptor. Table 18 */
1561 struct acpi_mpam_resource_interconnect_locator {
1562         u64 inter_connect_desc_tbl_off;
1563         u32 reserved;
1564 };
1565
1566 /* MPAM Locator structure. Table 12 */
1567 struct acpi_mpam_resource_generic_locator {
1568         u64 descriptor1;
1569         u32 descriptor2;
1570 };
1571
1572 union acpi_mpam_resource_locator {
1573         struct acpi_mpam_resource_cache_locator cache_locator;
1574         struct acpi_mpam_resource_memory_locator memory_locator;
1575         struct acpi_mpam_resource_smmu_locator smmu_locator;
1576         struct acpi_mpam_resource_memcache_locator mem_cache_locator;
1577         struct acpi_mpam_resource_acpi_locator acpi_locator;
1578         struct acpi_mpam_resource_interconnect_locator interconnect_ifc_locator;
1579         struct acpi_mpam_resource_generic_locator generic_locator;
1580 };
1581
1582 /* Memory System Component Resource Node Structure Table 9 */
1583 struct acpi_mpam_resource_node {
1584         u32 identifier;
1585         u8 ris_index;
1586         u16 reserved1;
1587         u8 locator_type;
1588         union acpi_mpam_resource_locator locator;
1589         u32 num_functional_deps;
1590 };
1591
1592 /* Memory System Component (MSC) Node Structure. Table 4 */
1593 struct acpi_mpam_msc_node {
1594         u16 length;
1595         u8 interface_type;
1596         u8 reserved;
1597         u32 identifier;
1598         u64 base_address;
1599         u32 mmio_size;
1600         u32 overflow_interrupt;
1601         u32 overflow_interrupt_flags;
1602         u32 reserved1;
1603         u32 overflow_interrupt_affinity;
1604         u32 error_interrupt;
1605         u32 error_interrupt_flags;
1606         u32 reserved2;
1607         u32 error_interrupt_affinity;
1608         u32 max_nrdy_usec;
1609         u64 hardware_id_linked_device;
1610         u32 instance_id_linked_device;
1611         u32 num_resource_nodes;
1612 };
1613
1614 struct acpi_table_mpam {
1615         struct acpi_table_header header;        /* Common ACPI table header */
1616 };
1617
1618 /*******************************************************************************
1619  *
1620  * MPST - Memory Power State Table (ACPI 5.0)
1621  *        Version 1
1622  *
1623  ******************************************************************************/
1624
1625 #define ACPI_MPST_CHANNEL_INFO \
1626         u8                              channel_id; \
1627         u8                              reserved1[3]; \
1628         u16                             power_node_count; \
1629         u16                             reserved2;
1630
1631 /* Main table */
1632
1633 struct acpi_table_mpst {
1634         struct acpi_table_header header;        /* Common ACPI table header */
1635          ACPI_MPST_CHANNEL_INFO /* Platform Communication Channel */
1636 };
1637
1638 /* Memory Platform Communication Channel Info */
1639
1640 struct acpi_mpst_channel {
1641         ACPI_MPST_CHANNEL_INFO  /* Platform Communication Channel */
1642 };
1643
1644 /* Memory Power Node Structure */
1645
1646 struct acpi_mpst_power_node {
1647         u8 flags;
1648         u8 reserved1;
1649         u16 node_id;
1650         u32 length;
1651         u64 range_address;
1652         u64 range_length;
1653         u32 num_power_states;
1654         u32 num_physical_components;
1655 };
1656
1657 /* Values for Flags field above */
1658
1659 #define ACPI_MPST_ENABLED               1
1660 #define ACPI_MPST_POWER_MANAGED         2
1661 #define ACPI_MPST_HOT_PLUG_CAPABLE      4
1662
1663 /* Memory Power State Structure (follows POWER_NODE above) */
1664
1665 struct acpi_mpst_power_state {
1666         u8 power_state;
1667         u8 info_index;
1668 };
1669
1670 /* Physical Component ID Structure (follows POWER_STATE above) */
1671
1672 struct acpi_mpst_component {
1673         u16 component_id;
1674 };
1675
1676 /* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
1677
1678 struct acpi_mpst_data_hdr {
1679         u16 characteristics_count;
1680         u16 reserved;
1681 };
1682
1683 struct acpi_mpst_power_data {
1684         u8 structure_id;
1685         u8 flags;
1686         u16 reserved1;
1687         u32 average_power;
1688         u32 power_saving;
1689         u64 exit_latency;
1690         u64 reserved2;
1691 };
1692
1693 /* Values for Flags field above */
1694
1695 #define ACPI_MPST_PRESERVE              1
1696 #define ACPI_MPST_AUTOENTRY             2
1697 #define ACPI_MPST_AUTOEXIT              4
1698
1699 /* Shared Memory Region (not part of an ACPI table) */
1700
1701 struct acpi_mpst_shared {
1702         u32 signature;
1703         u16 pcc_command;
1704         u16 pcc_status;
1705         u32 command_register;
1706         u32 status_register;
1707         u32 power_state_id;
1708         u32 power_node_id;
1709         u64 energy_consumed;
1710         u64 average_power;
1711 };
1712
1713 /*******************************************************************************
1714  *
1715  * MSCT - Maximum System Characteristics Table (ACPI 4.0)
1716  *        Version 1
1717  *
1718  ******************************************************************************/
1719
1720 struct acpi_table_msct {
1721         struct acpi_table_header header;        /* Common ACPI table header */
1722         u32 proximity_offset;   /* Location of proximity info struct(s) */
1723         u32 max_proximity_domains;      /* Max number of proximity domains */
1724         u32 max_clock_domains;  /* Max number of clock domains */
1725         u64 max_address;        /* Max physical address in system */
1726 };
1727
1728 /* subtable - Maximum Proximity Domain Information. Version 1 */
1729
1730 struct acpi_msct_proximity {
1731         u8 revision;
1732         u8 length;
1733         u32 range_start;        /* Start of domain range */
1734         u32 range_end;          /* End of domain range */
1735         u32 processor_capacity;
1736         u64 memory_capacity;    /* In bytes */
1737 };
1738
1739 /*******************************************************************************
1740  *
1741  * MSDM - Microsoft Data Management table
1742  *
1743  * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
1744  * November 29, 2011. Copyright 2011 Microsoft
1745  *
1746  ******************************************************************************/
1747
1748 /* Basic MSDM table is only the common ACPI header */
1749
1750 struct acpi_table_msdm {
1751         struct acpi_table_header header;        /* Common ACPI table header */
1752 };
1753
1754 /*******************************************************************************
1755  *
1756  * NFIT - NVDIMM Interface Table (ACPI 6.0+)
1757  *        Version 1
1758  *
1759  ******************************************************************************/
1760
1761 struct acpi_table_nfit {
1762         struct acpi_table_header header;        /* Common ACPI table header */
1763         u32 reserved;           /* Reserved, must be zero */
1764 };
1765
1766 /* Subtable header for NFIT */
1767
1768 struct acpi_nfit_header {
1769         u16 type;
1770         u16 length;
1771 };
1772
1773 /* Values for subtable type in struct acpi_nfit_header */
1774
1775 enum acpi_nfit_type {
1776         ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
1777         ACPI_NFIT_TYPE_MEMORY_MAP = 1,
1778         ACPI_NFIT_TYPE_INTERLEAVE = 2,
1779         ACPI_NFIT_TYPE_SMBIOS = 3,
1780         ACPI_NFIT_TYPE_CONTROL_REGION = 4,
1781         ACPI_NFIT_TYPE_DATA_REGION = 5,
1782         ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
1783         ACPI_NFIT_TYPE_CAPABILITIES = 7,
1784         ACPI_NFIT_TYPE_RESERVED = 8     /* 8 and greater are reserved */
1785 };
1786
1787 /*
1788  * NFIT Subtables
1789  */
1790
1791 /* 0: System Physical Address Range Structure */
1792
1793 struct acpi_nfit_system_address {
1794         struct acpi_nfit_header header;
1795         u16 range_index;
1796         u16 flags;
1797         u32 reserved;           /* Reserved, must be zero */
1798         u32 proximity_domain;
1799         u8 range_guid[16];
1800         u64 address;
1801         u64 length;
1802         u64 memory_mapping;
1803         u64 location_cookie;    /* ACPI 6.4 */
1804 };
1805
1806 /* Flags */
1807
1808 #define ACPI_NFIT_ADD_ONLINE_ONLY       (1)     /* 00: Add/Online Operation Only */
1809 #define ACPI_NFIT_PROXIMITY_VALID       (1<<1)  /* 01: Proximity Domain Valid */
1810 #define ACPI_NFIT_LOCATION_COOKIE_VALID (1<<2)  /* 02: SPA location cookie valid (ACPI 6.4) */
1811
1812 /* Range Type GUIDs appear in the include/acuuid.h file */
1813
1814 /* 1: Memory Device to System Address Range Map Structure */
1815
1816 struct acpi_nfit_memory_map {
1817         struct acpi_nfit_header header;
1818         u32 device_handle;
1819         u16 physical_id;
1820         u16 region_id;
1821         u16 range_index;
1822         u16 region_index;
1823         u64 region_size;
1824         u64 region_offset;
1825         u64 address;
1826         u16 interleave_index;
1827         u16 interleave_ways;
1828         u16 flags;
1829         u16 reserved;           /* Reserved, must be zero */
1830 };
1831
1832 /* Flags */
1833
1834 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)     /* 00: Last SAVE to Memory Device failed */
1835 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)  /* 01: Last RESTORE from Memory Device failed */
1836 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)  /* 02: Platform flush failed */
1837 #define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)  /* 03: Memory Device is not armed */
1838 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)  /* 04: Memory Device observed SMART/health events */
1839 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)  /* 05: SMART/health events enabled */
1840 #define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)  /* 06: Mapping to SPA failed */
1841
1842 /* 2: Interleave Structure */
1843
1844 struct acpi_nfit_interleave {
1845         struct acpi_nfit_header header;
1846         u16 interleave_index;
1847         u16 reserved;           /* Reserved, must be zero */
1848         u32 line_count;
1849         u32 line_size;
1850         u32 line_offset[];      /* Variable length */
1851 };
1852
1853 /* 3: SMBIOS Management Information Structure */
1854
1855 struct acpi_nfit_smbios {
1856         struct acpi_nfit_header header;
1857         u32 reserved;           /* Reserved, must be zero */
1858         u8 data[];              /* Variable length */
1859 };
1860
1861 /* 4: NVDIMM Control Region Structure */
1862
1863 struct acpi_nfit_control_region {
1864         struct acpi_nfit_header header;
1865         u16 region_index;
1866         u16 vendor_id;
1867         u16 device_id;
1868         u16 revision_id;
1869         u16 subsystem_vendor_id;
1870         u16 subsystem_device_id;
1871         u16 subsystem_revision_id;
1872         u8 valid_fields;
1873         u8 manufacturing_location;
1874         u16 manufacturing_date;
1875         u8 reserved[2];         /* Reserved, must be zero */
1876         u32 serial_number;
1877         u16 code;
1878         u16 windows;
1879         u64 window_size;
1880         u64 command_offset;
1881         u64 command_size;
1882         u64 status_offset;
1883         u64 status_size;
1884         u16 flags;
1885         u8 reserved1[6];        /* Reserved, must be zero */
1886 };
1887
1888 /* Flags */
1889
1890 #define ACPI_NFIT_CONTROL_BUFFERED          (1) /* Block Data Windows implementation is buffered */
1891
1892 /* valid_fields bits */
1893
1894 #define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1) /* Manufacturing fields are valid */
1895
1896 /* 5: NVDIMM Block Data Window Region Structure */
1897
1898 struct acpi_nfit_data_region {
1899         struct acpi_nfit_header header;
1900         u16 region_index;
1901         u16 windows;
1902         u64 offset;
1903         u64 size;
1904         u64 capacity;
1905         u64 start_address;
1906 };
1907
1908 /* 6: Flush Hint Address Structure */
1909
1910 struct acpi_nfit_flush_address {
1911         struct acpi_nfit_header header;
1912         u32 device_handle;
1913         u16 hint_count;
1914         u8 reserved[6];         /* Reserved, must be zero */
1915         u64 hint_address[];     /* Variable length */
1916 };
1917
1918 /* 7: Platform Capabilities Structure */
1919
1920 struct acpi_nfit_capabilities {
1921         struct acpi_nfit_header header;
1922         u8 highest_capability;
1923         u8 reserved[3];         /* Reserved, must be zero */
1924         u32 capabilities;
1925         u32 reserved2;
1926 };
1927
1928 /* Capabilities Flags */
1929
1930 #define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)      /* 00: Cache Flush to NVDIMM capable */
1931 #define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)   /* 01: Memory Flush to NVDIMM capable */
1932 #define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)   /* 02: Memory Mirroring capable */
1933
1934 /*
1935  * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1936  */
1937 struct nfit_device_handle {
1938         u32 handle;
1939 };
1940
1941 /* Device handle construction and extraction macros */
1942
1943 #define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1944 #define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1945 #define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1946 #define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1947 #define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1948
1949 #define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1950 #define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1951 #define ACPI_NFIT_MEMORY_ID_OFFSET              8
1952 #define ACPI_NFIT_SOCKET_ID_OFFSET              12
1953 #define ACPI_NFIT_NODE_ID_OFFSET                16
1954
1955 /* Macro to construct a NFIT/NVDIMM device handle */
1956
1957 #define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1958         ((dimm)                                         | \
1959         ((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1960         ((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1961         ((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1962         ((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1963
1964 /* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1965
1966 #define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1967         ((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1968
1969 #define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1970         (((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1971
1972 #define ACPI_NFIT_GET_MEMORY_ID(handle) \
1973         (((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1974
1975 #define ACPI_NFIT_GET_SOCKET_ID(handle) \
1976         (((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1977
1978 #define ACPI_NFIT_GET_NODE_ID(handle) \
1979         (((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1980
1981 /*******************************************************************************
1982  *
1983  * NHLT - Non HDAudio Link Table
1984  *        Version 1
1985  *
1986  ******************************************************************************/
1987
1988 struct acpi_table_nhlt {
1989         struct acpi_table_header header;        /* Common ACPI table header */
1990         u8 endpoints_count;
1991         /*
1992          * struct acpi_nhlt_endpoint endpoints[];
1993          * struct acpi_nhlt_config oed_config;
1994          */
1995 };
1996
1997 struct acpi_nhlt_endpoint {
1998         u32 length;
1999         u8 link_type;
2000         u8 instance_id;
2001         u16 vendor_id;
2002         u16 device_id;
2003         u16 revision_id;
2004         u32 subsystem_id;
2005         u8 device_type;
2006         u8 direction;
2007         u8 virtual_bus_id;
2008         /*
2009          * struct acpi_nhlt_config device_config;
2010          * struct acpi_nhlt_formats_config formats_config;
2011          * struct acpi_nhlt_devices_info devices_info;
2012          */
2013 };
2014
2015 /*
2016  * Values for link_type field above
2017  *
2018  * Only types PDM and SSP are used
2019  */
2020 #define ACPI_NHLT_LINKTYPE_HDA                  0
2021 #define ACPI_NHLT_LINKTYPE_DSP                  1
2022 #define ACPI_NHLT_LINKTYPE_PDM                  2
2023 #define ACPI_NHLT_LINKTYPE_SSP                  3
2024 #define ACPI_NHLT_LINKTYPE_SLIMBUS              4
2025 #define ACPI_NHLT_LINKTYPE_SDW                  5
2026 #define ACPI_NHLT_LINKTYPE_UAOL                 6
2027
2028 /* Values for device_id field above */
2029
2030 #define ACPI_NHLT_DEVICEID_DMIC                 0xAE20
2031 #define ACPI_NHLT_DEVICEID_BT                   0xAE30
2032 #define ACPI_NHLT_DEVICEID_I2S                  0xAE34
2033
2034 /* Values for device_type field above */
2035
2036 /*
2037  * Device types unique to endpoint of link_type=PDM
2038  *
2039  * Type PDM used for all SKL+ platforms
2040  */
2041 #define ACPI_NHLT_DEVICETYPE_PDM                0
2042 #define ACPI_NHLT_DEVICETYPE_PDM_SKL            1
2043 /* Device types unique to endpoint of link_type=SSP */
2044 #define ACPI_NHLT_DEVICETYPE_BT                 0
2045 #define ACPI_NHLT_DEVICETYPE_FM                 1
2046 #define ACPI_NHLT_DEVICETYPE_MODEM              2
2047 #define ACPI_NHLT_DEVICETYPE_CODEC              4
2048
2049 /* Values for Direction field above */
2050
2051 #define ACPI_NHLT_DIR_RENDER                    0
2052 #define ACPI_NHLT_DIR_CAPTURE                   1
2053
2054 struct acpi_nhlt_config {
2055         u32 capabilities_size;
2056         u8 capabilities[];
2057 };
2058
2059 struct acpi_nhlt_gendevice_config {
2060         u8 virtual_slot;
2061         u8 config_type;
2062 };
2063
2064 /* Values for config_type field above */
2065
2066 #define ACPI_NHLT_CONFIGTYPE_GENERIC            0
2067 #define ACPI_NHLT_CONFIGTYPE_MICARRAY           1
2068
2069 struct acpi_nhlt_micdevice_config {
2070         u8 virtual_slot;
2071         u8 config_type;
2072         u8 array_type;
2073 };
2074
2075 /* Values for array_type field above */
2076
2077 #define ACPI_NHLT_ARRAYTYPE_LINEAR2_SMALL       0xA
2078 #define ACPI_NHLT_ARRAYTYPE_LINEAR2_BIG         0xB
2079 #define ACPI_NHLT_ARRAYTYPE_LINEAR4_GEO1        0xC
2080 #define ACPI_NHLT_ARRAYTYPE_PLANAR4_LSHAPED     0xD
2081 #define ACPI_NHLT_ARRAYTYPE_LINEAR4_GEO2        0xE
2082 #define ACPI_NHLT_ARRAYTYPE_VENDOR              0xF
2083
2084 struct acpi_nhlt_vendor_mic_config {
2085         u8 type;
2086         u8 panel;
2087         u16 speaker_position_distance;          /* mm */
2088         u16 horizontal_offset;                  /* mm */
2089         u16 vertical_offset;                    /* mm */
2090         u8 frequency_low_band;                  /* 5*Hz */
2091         u8 frequency_high_band;                 /* 500*Hz */
2092         u16 direction_angle;                    /* -180 - +180 */
2093         u16 elevation_angle;                    /* -180 - +180 */
2094         u16 work_vertical_angle_begin;          /* -180 - +180 with 2 deg step */
2095         u16 work_vertical_angle_end;            /* -180 - +180 with 2 deg step */
2096         u16 work_horizontal_angle_begin;        /* -180 - +180 with 2 deg step */
2097         u16 work_horizontal_angle_end;          /* -180 - +180 with 2 deg step */
2098 };
2099
2100 /* Values for Type field above */
2101
2102 #define ACPI_NHLT_MICTYPE_OMNIDIRECTIONAL       0
2103 #define ACPI_NHLT_MICTYPE_SUBCARDIOID           1
2104 #define ACPI_NHLT_MICTYPE_CARDIOID              2
2105 #define ACPI_NHLT_MICTYPE_SUPERCARDIOID         3
2106 #define ACPI_NHLT_MICTYPE_HYPERCARDIOID         4
2107 #define ACPI_NHLT_MICTYPE_8SHAPED               5
2108 #define ACPI_NHLT_MICTYPE_RESERVED              6
2109 #define ACPI_NHLT_MICTYPE_VENDORDEFINED         7
2110
2111 /* Values for Panel field above */
2112
2113 #define ACPI_NHLT_MICLOCATION_TOP               0
2114 #define ACPI_NHLT_MICLOCATION_BOTTOM            1
2115 #define ACPI_NHLT_MICLOCATION_LEFT              2
2116 #define ACPI_NHLT_MICLOCATION_RIGHT             3
2117 #define ACPI_NHLT_MICLOCATION_FRONT             4
2118 #define ACPI_NHLT_MICLOCATION_REAR              5
2119
2120 struct acpi_nhlt_vendor_micdevice_config {
2121         u8 virtual_slot;
2122         u8 config_type;
2123         u8 array_type;
2124         u8 mics_count;
2125         struct acpi_nhlt_vendor_mic_config mics[];
2126 };
2127
2128 union acpi_nhlt_device_config {
2129         u8 virtual_slot;
2130         struct acpi_nhlt_gendevice_config gen;
2131         struct acpi_nhlt_micdevice_config mic;
2132         struct acpi_nhlt_vendor_micdevice_config vendor_mic;
2133 };
2134
2135 /* Inherited from Microsoft's WAVEFORMATEXTENSIBLE. */
2136 struct acpi_nhlt_wave_formatext {
2137         u16 format_tag;
2138         u16 channel_count;
2139         u32 samples_per_sec;
2140         u32 avg_bytes_per_sec;
2141         u16 block_align;
2142         u16 bits_per_sample;
2143         u16 extra_format_size;
2144         u16 valid_bits_per_sample;
2145         u32 channel_mask;
2146         u8 subformat[16];
2147 };
2148
2149 struct acpi_nhlt_format_config {
2150         struct acpi_nhlt_wave_formatext format;
2151         struct acpi_nhlt_config config;
2152 };
2153
2154 struct acpi_nhlt_formats_config {
2155         u8 formats_count;
2156         struct acpi_nhlt_format_config formats[];
2157 };
2158
2159 struct acpi_nhlt_device_info {
2160         u8 id[16];
2161         u8 instance_id;
2162         u8 port_id;
2163 };
2164
2165 struct acpi_nhlt_devices_info {
2166         u8 devices_count;
2167         struct acpi_nhlt_device_info devices[];
2168 };
2169
2170 /*******************************************************************************
2171  *
2172  * PCCT - Platform Communications Channel Table (ACPI 5.0)
2173  *        Version 2 (ACPI 6.2)
2174  *
2175  ******************************************************************************/
2176
2177 struct acpi_table_pcct {
2178         struct acpi_table_header header;        /* Common ACPI table header */
2179         u32 flags;
2180         u64 reserved;
2181 };
2182
2183 /* Values for Flags field above */
2184
2185 #define ACPI_PCCT_DOORBELL              1
2186
2187 /* Values for subtable type in struct acpi_subtable_header */
2188
2189 enum acpi_pcct_type {
2190         ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
2191         ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
2192         ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,   /* ACPI 6.1 */
2193         ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,     /* ACPI 6.2 */
2194         ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,      /* ACPI 6.2 */
2195         ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,        /* ACPI 6.4 */
2196         ACPI_PCCT_TYPE_RESERVED = 6     /* 6 and greater are reserved */
2197 };
2198
2199 /*
2200  * PCCT Subtables, correspond to Type in struct acpi_subtable_header
2201  */
2202
2203 /* 0: Generic Communications Subspace */
2204
2205 struct acpi_pcct_subspace {
2206         struct acpi_subtable_header header;
2207         u8 reserved[6];
2208         u64 base_address;
2209         u64 length;
2210         struct acpi_generic_address doorbell_register;
2211         u64 preserve_mask;
2212         u64 write_mask;
2213         u32 latency;
2214         u32 max_access_rate;
2215         u16 min_turnaround_time;
2216 };
2217
2218 /* 1: HW-reduced Communications Subspace (ACPI 5.1) */
2219
2220 struct acpi_pcct_hw_reduced {
2221         struct acpi_subtable_header header;
2222         u32 platform_interrupt;
2223         u8 flags;
2224         u8 reserved;
2225         u64 base_address;
2226         u64 length;
2227         struct acpi_generic_address doorbell_register;
2228         u64 preserve_mask;
2229         u64 write_mask;
2230         u32 latency;
2231         u32 max_access_rate;
2232         u16 min_turnaround_time;
2233 };
2234
2235 /* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
2236
2237 struct acpi_pcct_hw_reduced_type2 {
2238         struct acpi_subtable_header header;
2239         u32 platform_interrupt;
2240         u8 flags;
2241         u8 reserved;
2242         u64 base_address;
2243         u64 length;
2244         struct acpi_generic_address doorbell_register;
2245         u64 preserve_mask;
2246         u64 write_mask;
2247         u32 latency;
2248         u32 max_access_rate;
2249         u16 min_turnaround_time;
2250         struct acpi_generic_address platform_ack_register;
2251         u64 ack_preserve_mask;
2252         u64 ack_write_mask;
2253 };
2254
2255 /* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
2256
2257 struct acpi_pcct_ext_pcc_master {
2258         struct acpi_subtable_header header;
2259         u32 platform_interrupt;
2260         u8 flags;
2261         u8 reserved1;
2262         u64 base_address;
2263         u32 length;
2264         struct acpi_generic_address doorbell_register;
2265         u64 preserve_mask;
2266         u64 write_mask;
2267         u32 latency;
2268         u32 max_access_rate;
2269         u32 min_turnaround_time;
2270         struct acpi_generic_address platform_ack_register;
2271         u64 ack_preserve_mask;
2272         u64 ack_set_mask;
2273         u64 reserved2;
2274         struct acpi_generic_address cmd_complete_register;
2275         u64 cmd_complete_mask;
2276         struct acpi_generic_address cmd_update_register;
2277         u64 cmd_update_preserve_mask;
2278         u64 cmd_update_set_mask;
2279         struct acpi_generic_address error_status_register;
2280         u64 error_status_mask;
2281 };
2282
2283 /* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
2284
2285 struct acpi_pcct_ext_pcc_slave {
2286         struct acpi_subtable_header header;
2287         u32 platform_interrupt;
2288         u8 flags;
2289         u8 reserved1;
2290         u64 base_address;
2291         u32 length;
2292         struct acpi_generic_address doorbell_register;
2293         u64 preserve_mask;
2294         u64 write_mask;
2295         u32 latency;
2296         u32 max_access_rate;
2297         u32 min_turnaround_time;
2298         struct acpi_generic_address platform_ack_register;
2299         u64 ack_preserve_mask;
2300         u64 ack_set_mask;
2301         u64 reserved2;
2302         struct acpi_generic_address cmd_complete_register;
2303         u64 cmd_complete_mask;
2304         struct acpi_generic_address cmd_update_register;
2305         u64 cmd_update_preserve_mask;
2306         u64 cmd_update_set_mask;
2307         struct acpi_generic_address error_status_register;
2308         u64 error_status_mask;
2309 };
2310
2311 /* 5: HW Registers based Communications Subspace */
2312
2313 struct acpi_pcct_hw_reg {
2314         struct acpi_subtable_header header;
2315         u16 version;
2316         u64 base_address;
2317         u64 length;
2318         struct acpi_generic_address doorbell_register;
2319         u64 doorbell_preserve;
2320         u64 doorbell_write;
2321         struct acpi_generic_address cmd_complete_register;
2322         u64 cmd_complete_mask;
2323         struct acpi_generic_address error_status_register;
2324         u64 error_status_mask;
2325         u32 nominal_latency;
2326         u32 min_turnaround_time;
2327 };
2328
2329 /* Values for doorbell flags above */
2330
2331 #define ACPI_PCCT_INTERRUPT_POLARITY    (1)
2332 #define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
2333
2334 /*
2335  * PCC memory structures (not part of the ACPI table)
2336  */
2337
2338 /* Shared Memory Region */
2339
2340 struct acpi_pcct_shared_memory {
2341         u32 signature;
2342         u16 command;
2343         u16 status;
2344 };
2345
2346 /* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
2347
2348 struct acpi_pcct_ext_pcc_shared_memory {
2349         u32 signature;
2350         u32 flags;
2351         u32 length;
2352         u32 command;
2353 };
2354
2355 /*******************************************************************************
2356  *
2357  * PDTT - Platform Debug Trigger Table (ACPI 6.2)
2358  *        Version 0
2359  *
2360  ******************************************************************************/
2361
2362 struct acpi_table_pdtt {
2363         struct acpi_table_header header;        /* Common ACPI table header */
2364         u8 trigger_count;
2365         u8 reserved[3];
2366         u32 array_offset;
2367 };
2368
2369 /*
2370  * PDTT Communication Channel Identifier Structure.
2371  * The number of these structures is defined by trigger_count above,
2372  * starting at array_offset.
2373  */
2374 struct acpi_pdtt_channel {
2375         u8 subchannel_id;
2376         u8 flags;
2377 };
2378
2379 /* Flags for above */
2380
2381 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
2382 #define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
2383 #define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
2384
2385 /*******************************************************************************
2386  *
2387  * PHAT - Platform Health Assessment Table (ACPI 6.4)
2388  *        Version 1
2389  *
2390  ******************************************************************************/
2391
2392 struct acpi_table_phat {
2393         struct acpi_table_header header;        /* Common ACPI table header */
2394 };
2395
2396 /* Common header for PHAT subtables that follow main table */
2397
2398 struct acpi_phat_header {
2399         u16 type;
2400         u16 length;
2401         u8 revision;
2402 };
2403
2404 /* Values for Type field above */
2405
2406 #define ACPI_PHAT_TYPE_FW_VERSION_DATA  0
2407 #define ACPI_PHAT_TYPE_FW_HEALTH_DATA   1
2408 #define ACPI_PHAT_TYPE_RESERVED         2       /* 0x02-0xFFFF are reserved */
2409
2410 /*
2411  * PHAT subtables, correspond to Type in struct acpi_phat_header
2412  */
2413
2414 /* 0: Firmware Version Data Record */
2415
2416 struct acpi_phat_version_data {
2417         struct acpi_phat_header header;
2418         u8 reserved[3];
2419         u32 element_count;
2420 };
2421
2422 struct acpi_phat_version_element {
2423         u8 guid[16];
2424         u64 version_value;
2425         u32 producer_id;
2426 };
2427
2428 /* 1: Firmware Health Data Record */
2429
2430 struct acpi_phat_health_data {
2431         struct acpi_phat_header header;
2432         u8 reserved[2];
2433         u8 health;
2434         u8 device_guid[16];
2435         u32 device_specific_offset;     /* Zero if no Device-specific data */
2436 };
2437
2438 /* Values for Health field above */
2439
2440 #define ACPI_PHAT_ERRORS_FOUND          0
2441 #define ACPI_PHAT_NO_ERRORS             1
2442 #define ACPI_PHAT_UNKNOWN_ERRORS        2
2443 #define ACPI_PHAT_ADVISORY              3
2444
2445 /*******************************************************************************
2446  *
2447  * PMTT - Platform Memory Topology Table (ACPI 5.0)
2448  *        Version 1
2449  *
2450  ******************************************************************************/
2451
2452 struct acpi_table_pmtt {
2453         struct acpi_table_header header;        /* Common ACPI table header */
2454         u32 memory_device_count;
2455         /*
2456          * Immediately followed by:
2457          * MEMORY_DEVICE memory_device_struct[memory_device_count];
2458          */
2459 };
2460
2461 /* Common header for PMTT subtables that follow main table */
2462
2463 struct acpi_pmtt_header {
2464         u8 type;
2465         u8 reserved1;
2466         u16 length;
2467         u16 flags;
2468         u16 reserved2;
2469         u32 memory_device_count;        /* Zero means no memory device structs follow */
2470         /*
2471          * Immediately followed by:
2472          * u8 type_specific_data[]
2473          * MEMORY_DEVICE memory_device_struct[memory_device_count];
2474          */
2475 };
2476
2477 /* Values for Type field above */
2478
2479 #define ACPI_PMTT_TYPE_SOCKET           0
2480 #define ACPI_PMTT_TYPE_CONTROLLER       1
2481 #define ACPI_PMTT_TYPE_DIMM             2
2482 #define ACPI_PMTT_TYPE_RESERVED         3       /* 0x03-0xFE are reserved */
2483 #define ACPI_PMTT_TYPE_VENDOR           0xFF
2484
2485 /* Values for Flags field above */
2486
2487 #define ACPI_PMTT_TOP_LEVEL             0x0001
2488 #define ACPI_PMTT_PHYSICAL              0x0002
2489 #define ACPI_PMTT_MEMORY_TYPE           0x000C
2490
2491 /*
2492  * PMTT subtables, correspond to Type in struct acpi_pmtt_header
2493  */
2494
2495 /* 0: Socket Structure */
2496
2497 struct acpi_pmtt_socket {
2498         struct acpi_pmtt_header header;
2499         u16 socket_id;
2500         u16 reserved;
2501 };
2502         /*
2503          * Immediately followed by:
2504          * MEMORY_DEVICE memory_device_struct[memory_device_count];
2505          */
2506
2507 /* 1: Memory Controller subtable */
2508
2509 struct acpi_pmtt_controller {
2510         struct acpi_pmtt_header header;
2511         u16 controller_id;
2512         u16 reserved;
2513 };
2514         /*
2515          * Immediately followed by:
2516          * MEMORY_DEVICE memory_device_struct[memory_device_count];
2517          */
2518
2519 /* 2: Physical Component Identifier (DIMM) */
2520
2521 struct acpi_pmtt_physical_component {
2522         struct acpi_pmtt_header header;
2523         u32 bios_handle;
2524 };
2525
2526 /* 0xFF: Vendor Specific Data */
2527
2528 struct acpi_pmtt_vendor_specific {
2529         struct acpi_pmtt_header header;
2530         u8 type_uuid[16];
2531         u8 specific[];
2532         /*
2533          * Immediately followed by:
2534          * u8 vendor_specific_data[];
2535          * MEMORY_DEVICE memory_device_struct[memory_device_count];
2536          */
2537 };
2538
2539 /*******************************************************************************
2540  *
2541  * PPTT - Processor Properties Topology Table (ACPI 6.2)
2542  *        Version 1
2543  *
2544  ******************************************************************************/
2545
2546 struct acpi_table_pptt {
2547         struct acpi_table_header header;        /* Common ACPI table header */
2548 };
2549
2550 /* Values for Type field above */
2551
2552 enum acpi_pptt_type {
2553         ACPI_PPTT_TYPE_PROCESSOR = 0,
2554         ACPI_PPTT_TYPE_CACHE = 1,
2555         ACPI_PPTT_TYPE_ID = 2,
2556         ACPI_PPTT_TYPE_RESERVED = 3
2557 };
2558
2559 /* 0: Processor Hierarchy Node Structure */
2560
2561 struct acpi_pptt_processor {
2562         struct acpi_subtable_header header;
2563         u16 reserved;
2564         u32 flags;
2565         u32 parent;
2566         u32 acpi_processor_id;
2567         u32 number_of_priv_resources;
2568 };
2569
2570 /* Flags */
2571
2572 #define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
2573 #define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
2574 #define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)      /* ACPI 6.3 */
2575 #define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)      /* ACPI 6.3 */
2576 #define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)      /* ACPI 6.3 */
2577
2578 /* 1: Cache Type Structure */
2579
2580 struct acpi_pptt_cache {
2581         struct acpi_subtable_header header;
2582         u16 reserved;
2583         u32 flags;
2584         u32 next_level_of_cache;
2585         u32 size;
2586         u32 number_of_sets;
2587         u8 associativity;
2588         u8 attributes;
2589         u16 line_size;
2590 };
2591
2592 /* 1: Cache Type Structure for PPTT version 3 */
2593
2594 struct acpi_pptt_cache_v1 {
2595         u32 cache_id;
2596 };
2597
2598 /* Flags */
2599
2600 #define ACPI_PPTT_SIZE_PROPERTY_VALID       (1) /* Physical property valid */
2601 #define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)      /* Number of sets valid */
2602 #define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)      /* Associativity valid */
2603 #define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)      /* Allocation type valid */
2604 #define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)      /* Cache type valid */
2605 #define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)      /* Write policy valid */
2606 #define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)      /* Line size valid */
2607 #define ACPI_PPTT_CACHE_ID_VALID            (1<<7)      /* Cache ID valid */
2608
2609 /* Masks for Attributes */
2610
2611 #define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)      /* Allocation type */
2612 #define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)      /* Cache type */
2613 #define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)      /* Write policy */
2614
2615 /* Attributes describing cache */
2616 #define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)       /* Cache line is allocated on read */
2617 #define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)      /* Cache line is allocated on write */
2618 #define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)      /* Cache line is allocated on read and write */
2619 #define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)      /* Alternate representation of above */
2620
2621 #define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)       /* Data cache */
2622 #define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)      /* Instruction cache */
2623 #define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)      /* Unified I & D cache */
2624 #define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)      /* Alternate representation of above */
2625
2626 #define ACPI_PPTT_CACHE_POLICY_WB           (0x0)       /* Cache is write back */
2627 #define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)      /* Cache is write through */
2628
2629 /* 2: ID Structure */
2630
2631 struct acpi_pptt_id {
2632         struct acpi_subtable_header header;
2633         u16 reserved;
2634         u32 vendor_id;
2635         u64 level1_id;
2636         u64 level2_id;
2637         u16 major_rev;
2638         u16 minor_rev;
2639         u16 spin_rev;
2640 };
2641
2642 /*******************************************************************************
2643  *
2644  * PRMT - Platform Runtime Mechanism Table
2645  *        Version 1
2646  *
2647  ******************************************************************************/
2648
2649 struct acpi_table_prmt {
2650         struct acpi_table_header header;        /* Common ACPI table header */
2651 };
2652
2653 struct acpi_table_prmt_header {
2654         u8 platform_guid[16];
2655         u32 module_info_offset;
2656         u32 module_info_count;
2657 };
2658
2659 struct acpi_prmt_module_header {
2660         u16 revision;
2661         u16 length;
2662 };
2663
2664 struct acpi_prmt_module_info {
2665         u16 revision;
2666         u16 length;
2667         u8 module_guid[16];
2668         u16 major_rev;
2669         u16 minor_rev;
2670         u16 handler_info_count;
2671         u32 handler_info_offset;
2672         u64 mmio_list_pointer;
2673 };
2674
2675 struct acpi_prmt_handler_info {
2676         u16 revision;
2677         u16 length;
2678         u8 handler_guid[16];
2679         u64 handler_address;
2680         u64 static_data_buffer_address;
2681         u64 acpi_param_buffer_address;
2682 };
2683
2684 /*******************************************************************************
2685  *
2686  * RASF - RAS Feature Table (ACPI 5.0)
2687  *        Version 1
2688  *
2689  ******************************************************************************/
2690
2691 struct acpi_table_rasf {
2692         struct acpi_table_header header;        /* Common ACPI table header */
2693         u8 channel_id[12];
2694 };
2695
2696 /* RASF Platform Communication Channel Shared Memory Region */
2697
2698 struct acpi_rasf_shared_memory {
2699         u32 signature;
2700         u16 command;
2701         u16 status;
2702         u16 version;
2703         u8 capabilities[16];
2704         u8 set_capabilities[16];
2705         u16 num_parameter_blocks;
2706         u32 set_capabilities_status;
2707 };
2708
2709 /* RASF Parameter Block Structure Header */
2710
2711 struct acpi_rasf_parameter_block {
2712         u16 type;
2713         u16 version;
2714         u16 length;
2715 };
2716
2717 /* RASF Parameter Block Structure for PATROL_SCRUB */
2718
2719 struct acpi_rasf_patrol_scrub_parameter {
2720         struct acpi_rasf_parameter_block header;
2721         u16 patrol_scrub_command;
2722         u64 requested_address_range[2];
2723         u64 actual_address_range[2];
2724         u16 flags;
2725         u8 requested_speed;
2726 };
2727
2728 /* Masks for Flags and Speed fields above */
2729
2730 #define ACPI_RASF_SCRUBBER_RUNNING      1
2731 #define ACPI_RASF_SPEED                 (7<<1)
2732 #define ACPI_RASF_SPEED_SLOW            (0<<1)
2733 #define ACPI_RASF_SPEED_MEDIUM          (4<<1)
2734 #define ACPI_RASF_SPEED_FAST            (7<<1)
2735
2736 /* Channel Commands */
2737
2738 enum acpi_rasf_commands {
2739         ACPI_RASF_EXECUTE_RASF_COMMAND = 1
2740 };
2741
2742 /* Platform RAS Capabilities */
2743
2744 enum acpi_rasf_capabiliities {
2745         ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
2746         ACPI_SW_PATROL_SCRUB_EXPOSED = 1
2747 };
2748
2749 /* Patrol Scrub Commands */
2750
2751 enum acpi_rasf_patrol_scrub_commands {
2752         ACPI_RASF_GET_PATROL_PARAMETERS = 1,
2753         ACPI_RASF_START_PATROL_SCRUBBER = 2,
2754         ACPI_RASF_STOP_PATROL_SCRUBBER = 3
2755 };
2756
2757 /* Channel Command flags */
2758
2759 #define ACPI_RASF_GENERATE_SCI          (1<<15)
2760
2761 /* Status values */
2762
2763 enum acpi_rasf_status {
2764         ACPI_RASF_SUCCESS = 0,
2765         ACPI_RASF_NOT_VALID = 1,
2766         ACPI_RASF_NOT_SUPPORTED = 2,
2767         ACPI_RASF_BUSY = 3,
2768         ACPI_RASF_FAILED = 4,
2769         ACPI_RASF_ABORTED = 5,
2770         ACPI_RASF_INVALID_DATA = 6
2771 };
2772
2773 /* Status flags */
2774
2775 #define ACPI_RASF_COMMAND_COMPLETE      (1)
2776 #define ACPI_RASF_SCI_DOORBELL          (1<<1)
2777 #define ACPI_RASF_ERROR                 (1<<2)
2778 #define ACPI_RASF_STATUS                (0x1F<<3)
2779
2780 /*******************************************************************************
2781  *
2782  * RAS2 - RAS2 Feature Table (ACPI 6.5)
2783  *        Version 1
2784  *
2785  *
2786  ******************************************************************************/
2787
2788 struct acpi_table_ras2 {
2789         struct acpi_table_header header;        /* Common ACPI table header */
2790         u16 reserved;
2791         u16 num_pcc_descs;
2792 };
2793
2794 /* RAS2 Platform Communication Channel Descriptor */
2795
2796 struct acpi_ras2_pcc_desc {
2797         u8 channel_id;
2798         u16 reserved;
2799         u8 feature_type;
2800         u32 instance;
2801 };
2802
2803 /* RAS2 Platform Communication Channel Shared Memory Region */
2804
2805 struct acpi_ras2_shared_memory {
2806         u32 signature;
2807         u16 command;
2808         u16 status;
2809         u16 version;
2810         u8 features[16];
2811         u8 set_capabilities[16];
2812         u16 num_parameter_blocks;
2813         u32 set_capabilities_status;
2814 };
2815
2816 /* RAS2 Parameter Block Structure for PATROL_SCRUB */
2817
2818 struct acpi_ras2_parameter_block {
2819         u16 type;
2820         u16 version;
2821         u16 length;
2822 };
2823
2824 /* RAS2 Parameter Block Structure for PATROL_SCRUB */
2825
2826 struct acpi_ras2_patrol_scrub_parameter {
2827         struct acpi_ras2_parameter_block header;
2828         u16 patrol_scrub_command;
2829         u64 requested_address_range[2];
2830         u64 actual_address_range[2];
2831         u32 flags;
2832         u32 scrub_params_out;
2833         u32 scrub_params_in;
2834 };
2835
2836 /* Masks for Flags field above */
2837
2838 #define ACPI_RAS2_SCRUBBER_RUNNING      1
2839
2840 /* RAS2 Parameter Block Structure for LA2PA_TRANSLATION */
2841
2842 struct acpi_ras2_la2pa_translation_parameter {
2843         struct acpi_ras2_parameter_block header;
2844         u16 addr_translation_command;
2845         u64 sub_inst_id;
2846         u64 logical_address;
2847         u64 physical_address;
2848         u32 status;
2849 };
2850
2851 /* Channel Commands */
2852
2853 enum acpi_ras2_commands {
2854         ACPI_RAS2_EXECUTE_RAS2_COMMAND = 1
2855 };
2856
2857 /* Platform RAS2 Features */
2858
2859 enum acpi_ras2_features {
2860         ACPI_RAS2_PATROL_SCRUB_SUPPORTED = 0,
2861         ACPI_RAS2_LA2PA_TRANSLATION = 1
2862 };
2863
2864 /* RAS2 Patrol Scrub Commands */
2865
2866 enum acpi_ras2_patrol_scrub_commands {
2867         ACPI_RAS2_GET_PATROL_PARAMETERS = 1,
2868         ACPI_RAS2_START_PATROL_SCRUBBER = 2,
2869         ACPI_RAS2_STOP_PATROL_SCRUBBER = 3
2870 };
2871
2872 /* RAS2 LA2PA Translation Commands */
2873
2874 enum acpi_ras2_la2_pa_translation_commands {
2875         ACPI_RAS2_GET_LA2PA_TRANSLATION = 1,
2876 };
2877
2878 /* RAS2 LA2PA Translation Status values */
2879
2880 enum acpi_ras2_la2_pa_translation_status {
2881         ACPI_RAS2_LA2PA_TRANSLATION_SUCCESS = 0,
2882         ACPI_RAS2_LA2PA_TRANSLATION_FAIL = 1,
2883 };
2884
2885 /* Channel Command flags */
2886
2887 #define ACPI_RAS2_GENERATE_SCI          (1<<15)
2888
2889 /* Status values */
2890
2891 enum acpi_ras2_status {
2892         ACPI_RAS2_SUCCESS = 0,
2893         ACPI_RAS2_NOT_VALID = 1,
2894         ACPI_RAS2_NOT_SUPPORTED = 2,
2895         ACPI_RAS2_BUSY = 3,
2896         ACPI_RAS2_FAILED = 4,
2897         ACPI_RAS2_ABORTED = 5,
2898         ACPI_RAS2_INVALID_DATA = 6
2899 };
2900
2901 /* Status flags */
2902
2903 #define ACPI_RAS2_COMMAND_COMPLETE      (1)
2904 #define ACPI_RAS2_SCI_DOORBELL          (1<<1)
2905 #define ACPI_RAS2_ERROR                 (1<<2)
2906 #define ACPI_RAS2_STATUS                (0x1F<<3)
2907
2908 /*******************************************************************************
2909  *
2910  * RGRT - Regulatory Graphics Resource Table
2911  *        Version 1
2912  *
2913  * Conforms to "ACPI RGRT" available at:
2914  * https://microsoft.github.io/mu/dyn/mu_plus/ms_core_pkg/acpi_RGRT/feature_acpi_rgrt/
2915  *
2916  ******************************************************************************/
2917
2918 struct acpi_table_rgrt {
2919         struct acpi_table_header header;        /* Common ACPI table header */
2920         u16 version;
2921         u8 image_type;
2922         u8 reserved;
2923         u8 image[];
2924 };
2925
2926 /* image_type values */
2927
2928 enum acpi_rgrt_image_type {
2929         ACPI_RGRT_TYPE_RESERVED0 = 0,
2930         ACPI_RGRT_IMAGE_TYPE_PNG = 1,
2931         ACPI_RGRT_TYPE_RESERVED = 2     /* 2 and greater are reserved */
2932 };
2933
2934 /*******************************************************************************
2935  *
2936  * RHCT - RISC-V Hart Capabilities Table
2937  *        Version 1
2938  *
2939  ******************************************************************************/
2940
2941 struct acpi_table_rhct {
2942         struct acpi_table_header header;        /* Common ACPI table header */
2943         u32 flags;              /* RHCT flags */
2944         u64 time_base_freq;
2945         u32 node_count;
2946         u32 node_offset;
2947 };
2948
2949 /* RHCT Flags */
2950
2951 #define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU       (1)
2952 /*
2953  * RHCT subtables
2954  */
2955 struct acpi_rhct_node_header {
2956         u16 type;
2957         u16 length;
2958         u16 revision;
2959 };
2960
2961 /* Values for RHCT subtable Type above */
2962
2963 enum acpi_rhct_node_type {
2964         ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
2965         ACPI_RHCT_NODE_TYPE_CMO = 0x0001,
2966         ACPI_RHCT_NODE_TYPE_MMU = 0x0002,
2967         ACPI_RHCT_NODE_TYPE_RESERVED = 0x0003,
2968         ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
2969 };
2970
2971 /*
2972  * RHCT node specific subtables
2973  */
2974
2975 /* ISA string node structure */
2976 struct acpi_rhct_isa_string {
2977         u16 isa_length;
2978         char isa[];
2979 };
2980
2981 struct acpi_rhct_cmo_node {
2982         u8 reserved;            /* Must be zero */
2983         u8 cbom_size;           /* CBOM size in powerof 2 */
2984         u8 cbop_size;           /* CBOP size in powerof 2 */
2985         u8 cboz_size;           /* CBOZ size in powerof 2 */
2986 };
2987
2988 struct acpi_rhct_mmu_node {
2989         u8 reserved;            /* Must be zero */
2990         u8 mmu_type;            /* Virtual Address Scheme */
2991 };
2992
2993 enum acpi_rhct_mmu_type {
2994         ACPI_RHCT_MMU_TYPE_SV39 = 0,
2995         ACPI_RHCT_MMU_TYPE_SV48 = 1,
2996         ACPI_RHCT_MMU_TYPE_SV57 = 2
2997 };
2998
2999 /* Hart Info node structure */
3000 struct acpi_rhct_hart_info {
3001         u16 num_offsets;
3002         u32 uid;                /* ACPI processor UID */
3003 };
3004
3005 /*******************************************************************************
3006  *
3007  * SBST - Smart Battery Specification Table
3008  *        Version 1
3009  *
3010  ******************************************************************************/
3011
3012 struct acpi_table_sbst {
3013         struct acpi_table_header header;        /* Common ACPI table header */
3014         u32 warning_level;
3015         u32 low_level;
3016         u32 critical_level;
3017 };
3018
3019 /*******************************************************************************
3020  *
3021  * SDEI - Software Delegated Exception Interface Descriptor Table
3022  *
3023  * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
3024  * May 8th, 2017. Copyright 2017 ARM Ltd.
3025  *
3026  ******************************************************************************/
3027
3028 struct acpi_table_sdei {
3029         struct acpi_table_header header;        /* Common ACPI table header */
3030 };
3031
3032 /*******************************************************************************
3033  *
3034  * SDEV - Secure Devices Table (ACPI 6.2)
3035  *        Version 1
3036  *
3037  ******************************************************************************/
3038
3039 struct acpi_table_sdev {
3040         struct acpi_table_header header;        /* Common ACPI table header */
3041 };
3042
3043 struct acpi_sdev_header {
3044         u8 type;
3045         u8 flags;
3046         u16 length;
3047 };
3048
3049 /* Values for subtable type above */
3050
3051 enum acpi_sdev_type {
3052         ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
3053         ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
3054         ACPI_SDEV_TYPE_RESERVED = 2     /* 2 and greater are reserved */
3055 };
3056
3057 /* Values for flags above */
3058
3059 #define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
3060 #define ACPI_SDEV_SECURE_COMPONENTS_PRESENT (1<<1)
3061
3062 /*
3063  * SDEV subtables
3064  */
3065
3066 /* 0: Namespace Device Based Secure Device Structure */
3067
3068 struct acpi_sdev_namespace {
3069         struct acpi_sdev_header header;
3070         u16 device_id_offset;
3071         u16 device_id_length;
3072         u16 vendor_data_offset;
3073         u16 vendor_data_length;
3074 };
3075
3076 struct acpi_sdev_secure_component {
3077         u16 secure_component_offset;
3078         u16 secure_component_length;
3079 };
3080
3081 /*
3082  * SDEV sub-subtables ("Components") for above
3083  */
3084 struct acpi_sdev_component {
3085         struct acpi_sdev_header header;
3086 };
3087
3088 /* Values for sub-subtable type above */
3089
3090 enum acpi_sac_type {
3091         ACPI_SDEV_TYPE_ID_COMPONENT = 0,
3092         ACPI_SDEV_TYPE_MEM_COMPONENT = 1
3093 };
3094
3095 struct acpi_sdev_id_component {
3096         struct acpi_sdev_header header;
3097         u16 hardware_id_offset;
3098         u16 hardware_id_length;
3099         u16 subsystem_id_offset;
3100         u16 subsystem_id_length;
3101         u16 hardware_revision;
3102         u8 hardware_rev_present;
3103         u8 class_code_present;
3104         u8 pci_base_class;
3105         u8 pci_sub_class;
3106         u8 pci_programming_xface;
3107 };
3108
3109 struct acpi_sdev_mem_component {
3110         struct acpi_sdev_header header;
3111         u32 reserved;
3112         u64 memory_base_address;
3113         u64 memory_length;
3114 };
3115
3116 /* 1: PCIe Endpoint Device Based Device Structure */
3117
3118 struct acpi_sdev_pcie {
3119         struct acpi_sdev_header header;
3120         u16 segment;
3121         u16 start_bus;
3122         u16 path_offset;
3123         u16 path_length;
3124         u16 vendor_data_offset;
3125         u16 vendor_data_length;
3126 };
3127
3128 /* 1a: PCIe Endpoint path entry */
3129
3130 struct acpi_sdev_pcie_path {
3131         u8 device;
3132         u8 function;
3133 };
3134
3135 /*******************************************************************************
3136  *
3137  * SVKL - Storage Volume Key Location Table (ACPI 6.4)
3138  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3139  *        Trust Domain Extensions (Intel TDX)".
3140  *        Version 1
3141  *
3142  ******************************************************************************/
3143
3144 struct acpi_table_svkl {
3145         struct acpi_table_header header;        /* Common ACPI table header */
3146         u32 count;
3147 };
3148
3149 struct acpi_svkl_key {
3150         u16 type;
3151         u16 format;
3152         u32 size;
3153         u64 address;
3154 };
3155
3156 enum acpi_svkl_type {
3157         ACPI_SVKL_TYPE_MAIN_STORAGE = 0,
3158         ACPI_SVKL_TYPE_RESERVED = 1     /* 1 and greater are reserved */
3159 };
3160
3161 enum acpi_svkl_format {
3162         ACPI_SVKL_FORMAT_RAW_BINARY = 0,
3163         ACPI_SVKL_FORMAT_RESERVED = 1   /* 1 and greater are reserved */
3164 };
3165
3166 /*******************************************************************************
3167  *
3168  * TDEL - TD-Event Log
3169  *        From: "Guest-Host-Communication Interface (GHCI) for Intel
3170  *        Trust Domain Extensions (Intel TDX)".
3171  *        September 2020
3172  *
3173  ******************************************************************************/
3174
3175 struct acpi_table_tdel {
3176         struct acpi_table_header header;        /* Common ACPI table header */
3177         u32 reserved;
3178         u64 log_area_minimum_length;
3179         u64 log_area_start_address;
3180 };
3181
3182 /* Reset to default packing */
3183
3184 #pragma pack()
3185
3186 #endif                          /* __ACTBL2_H__ */