linux/include/acpi/actbl2.h
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   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 - 2020, 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_IORT           "IORT"  /* IO Remapping Table */
  28#define ACPI_SIG_IVRS           "IVRS"  /* I/O Virtualization Reporting Structure */
  29#define ACPI_SIG_LPIT           "LPIT"  /* Low Power Idle Table */
  30#define ACPI_SIG_MADT           "APIC"  /* Multiple APIC Description Table */
  31#define ACPI_SIG_MCFG           "MCFG"  /* PCI Memory Mapped Configuration table */
  32#define ACPI_SIG_MCHI           "MCHI"  /* Management Controller Host Interface table */
  33#define ACPI_SIG_MPST           "MPST"  /* Memory Power State Table */
  34#define ACPI_SIG_MSCT           "MSCT"  /* Maximum System Characteristics Table */
  35#define ACPI_SIG_MSDM           "MSDM"  /* Microsoft Data Management Table */
  36#define ACPI_SIG_MTMR           "MTMR"  /* MID Timer table */
  37#define ACPI_SIG_NFIT           "NFIT"  /* NVDIMM Firmware Interface Table */
  38#define ACPI_SIG_PCCT           "PCCT"  /* Platform Communications Channel Table */
  39#define ACPI_SIG_PDTT           "PDTT"  /* Platform Debug Trigger Table */
  40#define ACPI_SIG_PMTT           "PMTT"  /* Platform Memory Topology Table */
  41#define ACPI_SIG_PPTT           "PPTT"  /* Processor Properties Topology Table */
  42#define ACPI_SIG_RASF           "RASF"  /* RAS Feature table */
  43#define ACPI_SIG_SBST           "SBST"  /* Smart Battery Specification Table */
  44#define ACPI_SIG_SDEI           "SDEI"  /* Software Delegated Exception Interface Table */
  45#define ACPI_SIG_SDEV           "SDEV"  /* Secure Devices table */
  46#define ACPI_SIG_NHLT           "NHLT"  /* Non-HDAudio Link Table */
  47
  48/*
  49 * All tables must be byte-packed to match the ACPI specification, since
  50 * the tables are provided by the system BIOS.
  51 */
  52#pragma pack(1)
  53
  54/*
  55 * Note: C bitfields are not used for this reason:
  56 *
  57 * "Bitfields are great and easy to read, but unfortunately the C language
  58 * does not specify the layout of bitfields in memory, which means they are
  59 * essentially useless for dealing with packed data in on-disk formats or
  60 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
  61 * this decision was a design error in C. Ritchie could have picked an order
  62 * and stuck with it." Norman Ramsey.
  63 * See http://stackoverflow.com/a/1053662/41661
  64 */
  65
  66/*******************************************************************************
  67 *
  68 * IORT - IO Remapping Table
  69 *
  70 * Conforms to "IO Remapping Table System Software on ARM Platforms",
  71 * Document number: ARM DEN 0049D, March 2018
  72 *
  73 ******************************************************************************/
  74
  75struct acpi_table_iort {
  76        struct acpi_table_header header;
  77        u32 node_count;
  78        u32 node_offset;
  79        u32 reserved;
  80};
  81
  82/*
  83 * IORT subtables
  84 */
  85struct acpi_iort_node {
  86        u8 type;
  87        u16 length;
  88        u8 revision;
  89        u32 reserved;
  90        u32 mapping_count;
  91        u32 mapping_offset;
  92        char node_data[1];
  93};
  94
  95/* Values for subtable Type above */
  96
  97enum acpi_iort_node_type {
  98        ACPI_IORT_NODE_ITS_GROUP = 0x00,
  99        ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 100        ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 101        ACPI_IORT_NODE_SMMU = 0x03,
 102        ACPI_IORT_NODE_SMMU_V3 = 0x04,
 103        ACPI_IORT_NODE_PMCG = 0x05
 104};
 105
 106struct acpi_iort_id_mapping {
 107        u32 input_base;         /* Lowest value in input range */
 108        u32 id_count;           /* Number of IDs */
 109        u32 output_base;        /* Lowest value in output range */
 110        u32 output_reference;   /* A reference to the output node */
 111        u32 flags;
 112};
 113
 114/* Masks for Flags field above for IORT subtable */
 115
 116#define ACPI_IORT_ID_SINGLE_MAPPING (1)
 117
 118struct acpi_iort_memory_access {
 119        u32 cache_coherency;
 120        u8 hints;
 121        u16 reserved;
 122        u8 memory_flags;
 123};
 124
 125/* Values for cache_coherency field above */
 126
 127#define ACPI_IORT_NODE_COHERENT         0x00000001      /* The device node is fully coherent */
 128#define ACPI_IORT_NODE_NOT_COHERENT     0x00000000      /* The device node is not coherent */
 129
 130/* Masks for Hints field above */
 131
 132#define ACPI_IORT_HT_TRANSIENT          (1)
 133#define ACPI_IORT_HT_WRITE              (1<<1)
 134#define ACPI_IORT_HT_READ               (1<<2)
 135#define ACPI_IORT_HT_OVERRIDE           (1<<3)
 136
 137/* Masks for memory_flags field above */
 138
 139#define ACPI_IORT_MF_COHERENCY          (1)
 140#define ACPI_IORT_MF_ATTRIBUTES         (1<<1)
 141
 142/*
 143 * IORT node specific subtables
 144 */
 145struct acpi_iort_its_group {
 146        u32 its_count;
 147        u32 identifiers[1];     /* GIC ITS identifier array */
 148};
 149
 150struct acpi_iort_named_component {
 151        u32 node_flags;
 152        u64 memory_properties;  /* Memory access properties */
 153        u8 memory_address_limit;        /* Memory address size limit */
 154        char device_name[1];    /* Path of namespace object */
 155};
 156
 157/* Masks for Flags field above */
 158
 159#define ACPI_IORT_NC_STALL_SUPPORTED    (1)
 160#define ACPI_IORT_NC_PASID_BITS         (31<<1)
 161
 162struct acpi_iort_root_complex {
 163        u64 memory_properties;  /* Memory access properties */
 164        u32 ats_attribute;
 165        u32 pci_segment_number;
 166        u8 memory_address_limit;        /* Memory address size limit */
 167        u8 reserved[3];         /* Reserved, must be zero */
 168};
 169
 170/* Values for ats_attribute field above */
 171
 172#define ACPI_IORT_ATS_SUPPORTED         0x00000001      /* The root complex supports ATS */
 173#define ACPI_IORT_ATS_UNSUPPORTED       0x00000000      /* The root complex doesn't support ATS */
 174
 175struct acpi_iort_smmu {
 176        u64 base_address;       /* SMMU base address */
 177        u64 span;               /* Length of memory range */
 178        u32 model;
 179        u32 flags;
 180        u32 global_interrupt_offset;
 181        u32 context_interrupt_count;
 182        u32 context_interrupt_offset;
 183        u32 pmu_interrupt_count;
 184        u32 pmu_interrupt_offset;
 185        u64 interrupts[1];      /* Interrupt array */
 186};
 187
 188/* Values for Model field above */
 189
 190#define ACPI_IORT_SMMU_V1               0x00000000      /* Generic SMMUv1 */
 191#define ACPI_IORT_SMMU_V2               0x00000001      /* Generic SMMUv2 */
 192#define ACPI_IORT_SMMU_CORELINK_MMU400  0x00000002      /* ARM Corelink MMU-400 */
 193#define ACPI_IORT_SMMU_CORELINK_MMU500  0x00000003      /* ARM Corelink MMU-500 */
 194#define ACPI_IORT_SMMU_CORELINK_MMU401  0x00000004      /* ARM Corelink MMU-401 */
 195#define ACPI_IORT_SMMU_CAVIUM_THUNDERX  0x00000005      /* Cavium thunder_x SMMUv2 */
 196
 197/* Masks for Flags field above */
 198
 199#define ACPI_IORT_SMMU_DVM_SUPPORTED    (1)
 200#define ACPI_IORT_SMMU_COHERENT_WALK    (1<<1)
 201
 202/* Global interrupt format */
 203
 204struct acpi_iort_smmu_gsi {
 205        u32 nsg_irpt;
 206        u32 nsg_irpt_flags;
 207        u32 nsg_cfg_irpt;
 208        u32 nsg_cfg_irpt_flags;
 209};
 210
 211struct acpi_iort_smmu_v3 {
 212        u64 base_address;       /* SMMUv3 base address */
 213        u32 flags;
 214        u32 reserved;
 215        u64 vatos_address;
 216        u32 model;
 217        u32 event_gsiv;
 218        u32 pri_gsiv;
 219        u32 gerr_gsiv;
 220        u32 sync_gsiv;
 221        u32 pxm;
 222        u32 id_mapping_index;
 223};
 224
 225/* Values for Model field above */
 226
 227#define ACPI_IORT_SMMU_V3_GENERIC           0x00000000  /* Generic SMMUv3 */
 228#define ACPI_IORT_SMMU_V3_HISILICON_HI161X  0x00000001  /* hi_silicon Hi161x SMMUv3 */
 229#define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX     0x00000002  /* Cavium CN99xx SMMUv3 */
 230
 231/* Masks for Flags field above */
 232
 233#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE   (1)
 234#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE     (3<<1)
 235#define ACPI_IORT_SMMU_V3_PXM_VALID         (1<<3)
 236
 237struct acpi_iort_pmcg {
 238        u64 page0_base_address;
 239        u32 overflow_gsiv;
 240        u32 node_reference;
 241        u64 page1_base_address;
 242};
 243
 244/*******************************************************************************
 245 *
 246 * IVRS - I/O Virtualization Reporting Structure
 247 *        Version 1
 248 *
 249 * Conforms to "AMD I/O Virtualization Technology (IOMMU) Specification",
 250 * Revision 1.26, February 2009.
 251 *
 252 ******************************************************************************/
 253
 254struct acpi_table_ivrs {
 255        struct acpi_table_header header;        /* Common ACPI table header */
 256        u32 info;               /* Common virtualization info */
 257        u64 reserved;
 258};
 259
 260/* Values for Info field above */
 261
 262#define ACPI_IVRS_PHYSICAL_SIZE     0x00007F00  /* 7 bits, physical address size */
 263#define ACPI_IVRS_VIRTUAL_SIZE      0x003F8000  /* 7 bits, virtual address size */
 264#define ACPI_IVRS_ATS_RESERVED      0x00400000  /* ATS address translation range reserved */
 265
 266/* IVRS subtable header */
 267
 268struct acpi_ivrs_header {
 269        u8 type;                /* Subtable type */
 270        u8 flags;
 271        u16 length;             /* Subtable length */
 272        u16 device_id;          /* ID of IOMMU */
 273};
 274
 275/* Values for subtable Type above */
 276
 277enum acpi_ivrs_type {
 278        ACPI_IVRS_TYPE_HARDWARE1 = 0x10,
 279        ACPI_IVRS_TYPE_HARDWARE2 = 0x11,
 280        ACPI_IVRS_TYPE_MEMORY1 = 0x20,
 281        ACPI_IVRS_TYPE_MEMORY2 = 0x21,
 282        ACPI_IVRS_TYPE_MEMORY3 = 0x22
 283};
 284
 285/* Masks for Flags field above for IVHD subtable */
 286
 287#define ACPI_IVHD_TT_ENABLE         (1)
 288#define ACPI_IVHD_PASS_PW           (1<<1)
 289#define ACPI_IVHD_RES_PASS_PW       (1<<2)
 290#define ACPI_IVHD_ISOC              (1<<3)
 291#define ACPI_IVHD_IOTLB             (1<<4)
 292
 293/* Masks for Flags field above for IVMD subtable */
 294
 295#define ACPI_IVMD_UNITY             (1)
 296#define ACPI_IVMD_READ              (1<<1)
 297#define ACPI_IVMD_WRITE             (1<<2)
 298#define ACPI_IVMD_EXCLUSION_RANGE   (1<<3)
 299
 300/*
 301 * IVRS subtables, correspond to Type in struct acpi_ivrs_header
 302 */
 303
 304/* 0x10: I/O Virtualization Hardware Definition Block (IVHD) */
 305
 306struct acpi_ivrs_hardware_10 {
 307        struct acpi_ivrs_header header;
 308        u16 capability_offset;  /* Offset for IOMMU control fields */
 309        u64 base_address;       /* IOMMU control registers */
 310        u16 pci_segment_group;
 311        u16 info;               /* MSI number and unit ID */
 312        u32 feature_reporting;
 313};
 314
 315/* 0x11: I/O Virtualization Hardware Definition Block (IVHD) */
 316
 317struct acpi_ivrs_hardware_11 {
 318        struct acpi_ivrs_header header;
 319        u16 capability_offset;  /* Offset for IOMMU control fields */
 320        u64 base_address;       /* IOMMU control registers */
 321        u16 pci_segment_group;
 322        u16 info;               /* MSI number and unit ID */
 323        u32 attributes;
 324        u64 efr_register_image;
 325        u64 reserved;
 326};
 327
 328/* Masks for Info field above */
 329
 330#define ACPI_IVHD_MSI_NUMBER_MASK   0x001F      /* 5 bits, MSI message number */
 331#define ACPI_IVHD_UNIT_ID_MASK      0x1F00      /* 5 bits, unit_ID */
 332
 333/*
 334 * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.
 335 * Upper two bits of the Type field are the (encoded) length of the structure.
 336 * Currently, only 4 and 8 byte entries are defined. 16 and 32 byte entries
 337 * are reserved for future use but not defined.
 338 */
 339struct acpi_ivrs_de_header {
 340        u8 type;
 341        u16 id;
 342        u8 data_setting;
 343};
 344
 345/* Length of device entry is in the top two bits of Type field above */
 346
 347#define ACPI_IVHD_ENTRY_LENGTH      0xC0
 348
 349/* Values for device entry Type field above */
 350
 351enum acpi_ivrs_device_entry_type {
 352        /* 4-byte device entries, all use struct acpi_ivrs_device4 */
 353
 354        ACPI_IVRS_TYPE_PAD4 = 0,
 355        ACPI_IVRS_TYPE_ALL = 1,
 356        ACPI_IVRS_TYPE_SELECT = 2,
 357        ACPI_IVRS_TYPE_START = 3,
 358        ACPI_IVRS_TYPE_END = 4,
 359
 360        /* 8-byte device entries */
 361
 362        ACPI_IVRS_TYPE_PAD8 = 64,
 363        ACPI_IVRS_TYPE_NOT_USED = 65,
 364        ACPI_IVRS_TYPE_ALIAS_SELECT = 66,       /* Uses struct acpi_ivrs_device8a */
 365        ACPI_IVRS_TYPE_ALIAS_START = 67,        /* Uses struct acpi_ivrs_device8a */
 366        ACPI_IVRS_TYPE_EXT_SELECT = 70, /* Uses struct acpi_ivrs_device8b */
 367        ACPI_IVRS_TYPE_EXT_START = 71,  /* Uses struct acpi_ivrs_device8b */
 368        ACPI_IVRS_TYPE_SPECIAL = 72     /* Uses struct acpi_ivrs_device8c */
 369};
 370
 371/* Values for Data field above */
 372
 373#define ACPI_IVHD_INIT_PASS         (1)
 374#define ACPI_IVHD_EINT_PASS         (1<<1)
 375#define ACPI_IVHD_NMI_PASS          (1<<2)
 376#define ACPI_IVHD_SYSTEM_MGMT       (3<<4)
 377#define ACPI_IVHD_LINT0_PASS        (1<<6)
 378#define ACPI_IVHD_LINT1_PASS        (1<<7)
 379
 380/* Types 0-4: 4-byte device entry */
 381
 382struct acpi_ivrs_device4 {
 383        struct acpi_ivrs_de_header header;
 384};
 385
 386/* Types 66-67: 8-byte device entry */
 387
 388struct acpi_ivrs_device8a {
 389        struct acpi_ivrs_de_header header;
 390        u8 reserved1;
 391        u16 used_id;
 392        u8 reserved2;
 393};
 394
 395/* Types 70-71: 8-byte device entry */
 396
 397struct acpi_ivrs_device8b {
 398        struct acpi_ivrs_de_header header;
 399        u32 extended_data;
 400};
 401
 402/* Values for extended_data above */
 403
 404#define ACPI_IVHD_ATS_DISABLED      (1<<31)
 405
 406/* Type 72: 8-byte device entry */
 407
 408struct acpi_ivrs_device8c {
 409        struct acpi_ivrs_de_header header;
 410        u8 handle;
 411        u16 used_id;
 412        u8 variety;
 413};
 414
 415/* Values for Variety field above */
 416
 417#define ACPI_IVHD_IOAPIC            1
 418#define ACPI_IVHD_HPET              2
 419
 420/* 0x20, 0x21, 0x22: I/O Virtualization Memory Definition Block (IVMD) */
 421
 422struct acpi_ivrs_memory {
 423        struct acpi_ivrs_header header;
 424        u16 aux_data;
 425        u64 reserved;
 426        u64 start_address;
 427        u64 memory_length;
 428};
 429
 430/*******************************************************************************
 431 *
 432 * LPIT - Low Power Idle Table
 433 *
 434 * Conforms to "ACPI Low Power Idle Table (LPIT)" July 2014.
 435 *
 436 ******************************************************************************/
 437
 438struct acpi_table_lpit {
 439        struct acpi_table_header header;        /* Common ACPI table header */
 440};
 441
 442/* LPIT subtable header */
 443
 444struct acpi_lpit_header {
 445        u32 type;               /* Subtable type */
 446        u32 length;             /* Subtable length */
 447        u16 unique_id;
 448        u16 reserved;
 449        u32 flags;
 450};
 451
 452/* Values for subtable Type above */
 453
 454enum acpi_lpit_type {
 455        ACPI_LPIT_TYPE_NATIVE_CSTATE = 0x00,
 456        ACPI_LPIT_TYPE_RESERVED = 0x01  /* 1 and above are reserved */
 457};
 458
 459/* Masks for Flags field above  */
 460
 461#define ACPI_LPIT_STATE_DISABLED    (1)
 462#define ACPI_LPIT_NO_COUNTER        (1<<1)
 463
 464/*
 465 * LPIT subtables, correspond to Type in struct acpi_lpit_header
 466 */
 467
 468/* 0x00: Native C-state instruction based LPI structure */
 469
 470struct acpi_lpit_native {
 471        struct acpi_lpit_header header;
 472        struct acpi_generic_address entry_trigger;
 473        u32 residency;
 474        u32 latency;
 475        struct acpi_generic_address residency_counter;
 476        u64 counter_frequency;
 477};
 478
 479/*******************************************************************************
 480 *
 481 * MADT - Multiple APIC Description Table
 482 *        Version 3
 483 *
 484 ******************************************************************************/
 485
 486struct acpi_table_madt {
 487        struct acpi_table_header header;        /* Common ACPI table header */
 488        u32 address;            /* Physical address of local APIC */
 489        u32 flags;
 490};
 491
 492/* Masks for Flags field above */
 493
 494#define ACPI_MADT_PCAT_COMPAT       (1) /* 00: System also has dual 8259s */
 495
 496/* Values for PCATCompat flag */
 497
 498#define ACPI_MADT_DUAL_PIC          1
 499#define ACPI_MADT_MULTIPLE_APIC     0
 500
 501/* Values for MADT subtable type in struct acpi_subtable_header */
 502
 503enum acpi_madt_type {
 504        ACPI_MADT_TYPE_LOCAL_APIC = 0,
 505        ACPI_MADT_TYPE_IO_APIC = 1,
 506        ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
 507        ACPI_MADT_TYPE_NMI_SOURCE = 3,
 508        ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
 509        ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
 510        ACPI_MADT_TYPE_IO_SAPIC = 6,
 511        ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
 512        ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
 513        ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
 514        ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
 515        ACPI_MADT_TYPE_GENERIC_INTERRUPT = 11,
 516        ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR = 12,
 517        ACPI_MADT_TYPE_GENERIC_MSI_FRAME = 13,
 518        ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14,
 519        ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15,
 520        ACPI_MADT_TYPE_RESERVED = 16    /* 16 and greater are reserved */
 521};
 522
 523/*
 524 * MADT Subtables, correspond to Type in struct acpi_subtable_header
 525 */
 526
 527/* 0: Processor Local APIC */
 528
 529struct acpi_madt_local_apic {
 530        struct acpi_subtable_header header;
 531        u8 processor_id;        /* ACPI processor id */
 532        u8 id;                  /* Processor's local APIC id */
 533        u32 lapic_flags;
 534};
 535
 536/* 1: IO APIC */
 537
 538struct acpi_madt_io_apic {
 539        struct acpi_subtable_header header;
 540        u8 id;                  /* I/O APIC ID */
 541        u8 reserved;            /* reserved - must be zero */
 542        u32 address;            /* APIC physical address */
 543        u32 global_irq_base;    /* Global system interrupt where INTI lines start */
 544};
 545
 546/* 2: Interrupt Override */
 547
 548struct acpi_madt_interrupt_override {
 549        struct acpi_subtable_header header;
 550        u8 bus;                 /* 0 - ISA */
 551        u8 source_irq;          /* Interrupt source (IRQ) */
 552        u32 global_irq;         /* Global system interrupt */
 553        u16 inti_flags;
 554};
 555
 556/* 3: NMI Source */
 557
 558struct acpi_madt_nmi_source {
 559        struct acpi_subtable_header header;
 560        u16 inti_flags;
 561        u32 global_irq;         /* Global system interrupt */
 562};
 563
 564/* 4: Local APIC NMI */
 565
 566struct acpi_madt_local_apic_nmi {
 567        struct acpi_subtable_header header;
 568        u8 processor_id;        /* ACPI processor id */
 569        u16 inti_flags;
 570        u8 lint;                /* LINTn to which NMI is connected */
 571};
 572
 573/* 5: Address Override */
 574
 575struct acpi_madt_local_apic_override {
 576        struct acpi_subtable_header header;
 577        u16 reserved;           /* Reserved, must be zero */
 578        u64 address;            /* APIC physical address */
 579};
 580
 581/* 6: I/O Sapic */
 582
 583struct acpi_madt_io_sapic {
 584        struct acpi_subtable_header header;
 585        u8 id;                  /* I/O SAPIC ID */
 586        u8 reserved;            /* Reserved, must be zero */
 587        u32 global_irq_base;    /* Global interrupt for SAPIC start */
 588        u64 address;            /* SAPIC physical address */
 589};
 590
 591/* 7: Local Sapic */
 592
 593struct acpi_madt_local_sapic {
 594        struct acpi_subtable_header header;
 595        u8 processor_id;        /* ACPI processor id */
 596        u8 id;                  /* SAPIC ID */
 597        u8 eid;                 /* SAPIC EID */
 598        u8 reserved[3];         /* Reserved, must be zero */
 599        u32 lapic_flags;
 600        u32 uid;                /* Numeric UID - ACPI 3.0 */
 601        char uid_string[1];     /* String UID  - ACPI 3.0 */
 602};
 603
 604/* 8: Platform Interrupt Source */
 605
 606struct acpi_madt_interrupt_source {
 607        struct acpi_subtable_header header;
 608        u16 inti_flags;
 609        u8 type;                /* 1=PMI, 2=INIT, 3=corrected */
 610        u8 id;                  /* Processor ID */
 611        u8 eid;                 /* Processor EID */
 612        u8 io_sapic_vector;     /* Vector value for PMI interrupts */
 613        u32 global_irq;         /* Global system interrupt */
 614        u32 flags;              /* Interrupt Source Flags */
 615};
 616
 617/* Masks for Flags field above */
 618
 619#define ACPI_MADT_CPEI_OVERRIDE     (1)
 620
 621/* 9: Processor Local X2APIC (ACPI 4.0) */
 622
 623struct acpi_madt_local_x2apic {
 624        struct acpi_subtable_header header;
 625        u16 reserved;           /* reserved - must be zero */
 626        u32 local_apic_id;      /* Processor x2APIC ID  */
 627        u32 lapic_flags;
 628        u32 uid;                /* ACPI processor UID */
 629};
 630
 631/* 10: Local X2APIC NMI (ACPI 4.0) */
 632
 633struct acpi_madt_local_x2apic_nmi {
 634        struct acpi_subtable_header header;
 635        u16 inti_flags;
 636        u32 uid;                /* ACPI processor UID */
 637        u8 lint;                /* LINTn to which NMI is connected */
 638        u8 reserved[3];         /* reserved - must be zero */
 639};
 640
 641/* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 changes) */
 642
 643struct acpi_madt_generic_interrupt {
 644        struct acpi_subtable_header header;
 645        u16 reserved;           /* reserved - must be zero */
 646        u32 cpu_interface_number;
 647        u32 uid;
 648        u32 flags;
 649        u32 parking_version;
 650        u32 performance_interrupt;
 651        u64 parked_address;
 652        u64 base_address;
 653        u64 gicv_base_address;
 654        u64 gich_base_address;
 655        u32 vgic_interrupt;
 656        u64 gicr_base_address;
 657        u64 arm_mpidr;
 658        u8 efficiency_class;
 659        u8 reserved2[1];
 660        u16 spe_interrupt;      /* ACPI 6.3 */
 661};
 662
 663/* Masks for Flags field above */
 664
 665/* ACPI_MADT_ENABLED                    (1)      Processor is usable if set */
 666#define ACPI_MADT_PERFORMANCE_IRQ_MODE  (1<<1)  /* 01: Performance Interrupt Mode */
 667#define ACPI_MADT_VGIC_IRQ_MODE         (1<<2)  /* 02: VGIC Maintenance Interrupt mode */
 668
 669/* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */
 670
 671struct acpi_madt_generic_distributor {
 672        struct acpi_subtable_header header;
 673        u16 reserved;           /* reserved - must be zero */
 674        u32 gic_id;
 675        u64 base_address;
 676        u32 global_irq_base;
 677        u8 version;
 678        u8 reserved2[3];        /* reserved - must be zero */
 679};
 680
 681/* Values for Version field above */
 682
 683enum acpi_madt_gic_version {
 684        ACPI_MADT_GIC_VERSION_NONE = 0,
 685        ACPI_MADT_GIC_VERSION_V1 = 1,
 686        ACPI_MADT_GIC_VERSION_V2 = 2,
 687        ACPI_MADT_GIC_VERSION_V3 = 3,
 688        ACPI_MADT_GIC_VERSION_V4 = 4,
 689        ACPI_MADT_GIC_VERSION_RESERVED = 5      /* 5 and greater are reserved */
 690};
 691
 692/* 13: Generic MSI Frame (ACPI 5.1) */
 693
 694struct acpi_madt_generic_msi_frame {
 695        struct acpi_subtable_header header;
 696        u16 reserved;           /* reserved - must be zero */
 697        u32 msi_frame_id;
 698        u64 base_address;
 699        u32 flags;
 700        u16 spi_count;
 701        u16 spi_base;
 702};
 703
 704/* Masks for Flags field above */
 705
 706#define ACPI_MADT_OVERRIDE_SPI_VALUES   (1)
 707
 708/* 14: Generic Redistributor (ACPI 5.1) */
 709
 710struct acpi_madt_generic_redistributor {
 711        struct acpi_subtable_header header;
 712        u16 reserved;           /* reserved - must be zero */
 713        u64 base_address;
 714        u32 length;
 715};
 716
 717/* 15: Generic Translator (ACPI 6.0) */
 718
 719struct acpi_madt_generic_translator {
 720        struct acpi_subtable_header header;
 721        u16 reserved;           /* reserved - must be zero */
 722        u32 translation_id;
 723        u64 base_address;
 724        u32 reserved2;
 725};
 726
 727/*
 728 * Common flags fields for MADT subtables
 729 */
 730
 731/* MADT Local APIC flags */
 732
 733#define ACPI_MADT_ENABLED           (1) /* 00: Processor is usable if set */
 734
 735/* MADT MPS INTI flags (inti_flags) */
 736
 737#define ACPI_MADT_POLARITY_MASK     (3) /* 00-01: Polarity of APIC I/O input signals */
 738#define ACPI_MADT_TRIGGER_MASK      (3<<2)      /* 02-03: Trigger mode of APIC input signals */
 739
 740/* Values for MPS INTI flags */
 741
 742#define ACPI_MADT_POLARITY_CONFORMS       0
 743#define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
 744#define ACPI_MADT_POLARITY_RESERVED       2
 745#define ACPI_MADT_POLARITY_ACTIVE_LOW     3
 746
 747#define ACPI_MADT_TRIGGER_CONFORMS        (0)
 748#define ACPI_MADT_TRIGGER_EDGE            (1<<2)
 749#define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
 750#define ACPI_MADT_TRIGGER_LEVEL           (3<<2)
 751
 752/*******************************************************************************
 753 *
 754 * MCFG - PCI Memory Mapped Configuration table and subtable
 755 *        Version 1
 756 *
 757 * Conforms to "PCI Firmware Specification", Revision 3.0, June 20, 2005
 758 *
 759 ******************************************************************************/
 760
 761struct acpi_table_mcfg {
 762        struct acpi_table_header header;        /* Common ACPI table header */
 763        u8 reserved[8];
 764};
 765
 766/* Subtable */
 767
 768struct acpi_mcfg_allocation {
 769        u64 address;            /* Base address, processor-relative */
 770        u16 pci_segment;        /* PCI segment group number */
 771        u8 start_bus_number;    /* Starting PCI Bus number */
 772        u8 end_bus_number;      /* Final PCI Bus number */
 773        u32 reserved;
 774};
 775
 776/*******************************************************************************
 777 *
 778 * MCHI - Management Controller Host Interface Table
 779 *        Version 1
 780 *
 781 * Conforms to "Management Component Transport Protocol (MCTP) Host
 782 * Interface Specification", Revision 1.0.0a, October 13, 2009
 783 *
 784 ******************************************************************************/
 785
 786struct acpi_table_mchi {
 787        struct acpi_table_header header;        /* Common ACPI table header */
 788        u8 interface_type;
 789        u8 protocol;
 790        u64 protocol_data;
 791        u8 interrupt_type;
 792        u8 gpe;
 793        u8 pci_device_flag;
 794        u32 global_interrupt;
 795        struct acpi_generic_address control_register;
 796        u8 pci_segment;
 797        u8 pci_bus;
 798        u8 pci_device;
 799        u8 pci_function;
 800};
 801
 802/*******************************************************************************
 803 *
 804 * MPST - Memory Power State Table (ACPI 5.0)
 805 *        Version 1
 806 *
 807 ******************************************************************************/
 808
 809#define ACPI_MPST_CHANNEL_INFO \
 810        u8                              channel_id; \
 811        u8                              reserved1[3]; \
 812        u16                             power_node_count; \
 813        u16                             reserved2;
 814
 815/* Main table */
 816
 817struct acpi_table_mpst {
 818        struct acpi_table_header header;        /* Common ACPI table header */
 819         ACPI_MPST_CHANNEL_INFO /* Platform Communication Channel */
 820};
 821
 822/* Memory Platform Communication Channel Info */
 823
 824struct acpi_mpst_channel {
 825        ACPI_MPST_CHANNEL_INFO  /* Platform Communication Channel */
 826};
 827
 828/* Memory Power Node Structure */
 829
 830struct acpi_mpst_power_node {
 831        u8 flags;
 832        u8 reserved1;
 833        u16 node_id;
 834        u32 length;
 835        u64 range_address;
 836        u64 range_length;
 837        u32 num_power_states;
 838        u32 num_physical_components;
 839};
 840
 841/* Values for Flags field above */
 842
 843#define ACPI_MPST_ENABLED               1
 844#define ACPI_MPST_POWER_MANAGED         2
 845#define ACPI_MPST_HOT_PLUG_CAPABLE      4
 846
 847/* Memory Power State Structure (follows POWER_NODE above) */
 848
 849struct acpi_mpst_power_state {
 850        u8 power_state;
 851        u8 info_index;
 852};
 853
 854/* Physical Component ID Structure (follows POWER_STATE above) */
 855
 856struct acpi_mpst_component {
 857        u16 component_id;
 858};
 859
 860/* Memory Power State Characteristics Structure (follows all POWER_NODEs) */
 861
 862struct acpi_mpst_data_hdr {
 863        u16 characteristics_count;
 864        u16 reserved;
 865};
 866
 867struct acpi_mpst_power_data {
 868        u8 structure_id;
 869        u8 flags;
 870        u16 reserved1;
 871        u32 average_power;
 872        u32 power_saving;
 873        u64 exit_latency;
 874        u64 reserved2;
 875};
 876
 877/* Values for Flags field above */
 878
 879#define ACPI_MPST_PRESERVE              1
 880#define ACPI_MPST_AUTOENTRY             2
 881#define ACPI_MPST_AUTOEXIT              4
 882
 883/* Shared Memory Region (not part of an ACPI table) */
 884
 885struct acpi_mpst_shared {
 886        u32 signature;
 887        u16 pcc_command;
 888        u16 pcc_status;
 889        u32 command_register;
 890        u32 status_register;
 891        u32 power_state_id;
 892        u32 power_node_id;
 893        u64 energy_consumed;
 894        u64 average_power;
 895};
 896
 897/*******************************************************************************
 898 *
 899 * MSCT - Maximum System Characteristics Table (ACPI 4.0)
 900 *        Version 1
 901 *
 902 ******************************************************************************/
 903
 904struct acpi_table_msct {
 905        struct acpi_table_header header;        /* Common ACPI table header */
 906        u32 proximity_offset;   /* Location of proximity info struct(s) */
 907        u32 max_proximity_domains;      /* Max number of proximity domains */
 908        u32 max_clock_domains;  /* Max number of clock domains */
 909        u64 max_address;        /* Max physical address in system */
 910};
 911
 912/* subtable - Maximum Proximity Domain Information. Version 1 */
 913
 914struct acpi_msct_proximity {
 915        u8 revision;
 916        u8 length;
 917        u32 range_start;        /* Start of domain range */
 918        u32 range_end;          /* End of domain range */
 919        u32 processor_capacity;
 920        u64 memory_capacity;    /* In bytes */
 921};
 922
 923/*******************************************************************************
 924 *
 925 * MSDM - Microsoft Data Management table
 926 *
 927 * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)",
 928 * November 29, 2011. Copyright 2011 Microsoft
 929 *
 930 ******************************************************************************/
 931
 932/* Basic MSDM table is only the common ACPI header */
 933
 934struct acpi_table_msdm {
 935        struct acpi_table_header header;        /* Common ACPI table header */
 936};
 937
 938/*******************************************************************************
 939 *
 940 * MTMR - MID Timer Table
 941 *        Version 1
 942 *
 943 * Conforms to "Simple Firmware Interface Specification",
 944 * Draft 0.8.2, Oct 19, 2010
 945 * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
 946 *
 947 ******************************************************************************/
 948
 949struct acpi_table_mtmr {
 950        struct acpi_table_header header;        /* Common ACPI table header */
 951};
 952
 953/* MTMR entry */
 954
 955struct acpi_mtmr_entry {
 956        struct acpi_generic_address physical_address;
 957        u32 frequency;
 958        u32 irq;
 959};
 960
 961/*******************************************************************************
 962 *
 963 * NFIT - NVDIMM Interface Table (ACPI 6.0+)
 964 *        Version 1
 965 *
 966 ******************************************************************************/
 967
 968struct acpi_table_nfit {
 969        struct acpi_table_header header;        /* Common ACPI table header */
 970        u32 reserved;           /* Reserved, must be zero */
 971};
 972
 973/* Subtable header for NFIT */
 974
 975struct acpi_nfit_header {
 976        u16 type;
 977        u16 length;
 978};
 979
 980/* Values for subtable type in struct acpi_nfit_header */
 981
 982enum acpi_nfit_type {
 983        ACPI_NFIT_TYPE_SYSTEM_ADDRESS = 0,
 984        ACPI_NFIT_TYPE_MEMORY_MAP = 1,
 985        ACPI_NFIT_TYPE_INTERLEAVE = 2,
 986        ACPI_NFIT_TYPE_SMBIOS = 3,
 987        ACPI_NFIT_TYPE_CONTROL_REGION = 4,
 988        ACPI_NFIT_TYPE_DATA_REGION = 5,
 989        ACPI_NFIT_TYPE_FLUSH_ADDRESS = 6,
 990        ACPI_NFIT_TYPE_CAPABILITIES = 7,
 991        ACPI_NFIT_TYPE_RESERVED = 8     /* 8 and greater are reserved */
 992};
 993
 994/*
 995 * NFIT Subtables
 996 */
 997
 998/* 0: System Physical Address Range Structure */
 999
1000struct acpi_nfit_system_address {
1001        struct acpi_nfit_header header;
1002        u16 range_index;
1003        u16 flags;
1004        u32 reserved;           /* Reserved, must be zero */
1005        u32 proximity_domain;
1006        u8 range_guid[16];
1007        u64 address;
1008        u64 length;
1009        u64 memory_mapping;
1010};
1011
1012/* Flags */
1013
1014#define ACPI_NFIT_ADD_ONLINE_ONLY       (1)     /* 00: Add/Online Operation Only */
1015#define ACPI_NFIT_PROXIMITY_VALID       (1<<1)  /* 01: Proximity Domain Valid */
1016
1017/* Range Type GUIDs appear in the include/acuuid.h file */
1018
1019/* 1: Memory Device to System Address Range Map Structure */
1020
1021struct acpi_nfit_memory_map {
1022        struct acpi_nfit_header header;
1023        u32 device_handle;
1024        u16 physical_id;
1025        u16 region_id;
1026        u16 range_index;
1027        u16 region_index;
1028        u64 region_size;
1029        u64 region_offset;
1030        u64 address;
1031        u16 interleave_index;
1032        u16 interleave_ways;
1033        u16 flags;
1034        u16 reserved;           /* Reserved, must be zero */
1035};
1036
1037/* Flags */
1038
1039#define ACPI_NFIT_MEM_SAVE_FAILED       (1)     /* 00: Last SAVE to Memory Device failed */
1040#define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)  /* 01: Last RESTORE from Memory Device failed */
1041#define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)  /* 02: Platform flush failed */
1042#define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)  /* 03: Memory Device is not armed */
1043#define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)  /* 04: Memory Device observed SMART/health events */
1044#define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)  /* 05: SMART/health events enabled */
1045#define ACPI_NFIT_MEM_MAP_FAILED        (1<<6)  /* 06: Mapping to SPA failed */
1046
1047/* 2: Interleave Structure */
1048
1049struct acpi_nfit_interleave {
1050        struct acpi_nfit_header header;
1051        u16 interleave_index;
1052        u16 reserved;           /* Reserved, must be zero */
1053        u32 line_count;
1054        u32 line_size;
1055        u32 line_offset[1];     /* Variable length */
1056};
1057
1058/* 3: SMBIOS Management Information Structure */
1059
1060struct acpi_nfit_smbios {
1061        struct acpi_nfit_header header;
1062        u32 reserved;           /* Reserved, must be zero */
1063        u8 data[1];             /* Variable length */
1064};
1065
1066/* 4: NVDIMM Control Region Structure */
1067
1068struct acpi_nfit_control_region {
1069        struct acpi_nfit_header header;
1070        u16 region_index;
1071        u16 vendor_id;
1072        u16 device_id;
1073        u16 revision_id;
1074        u16 subsystem_vendor_id;
1075        u16 subsystem_device_id;
1076        u16 subsystem_revision_id;
1077        u8 valid_fields;
1078        u8 manufacturing_location;
1079        u16 manufacturing_date;
1080        u8 reserved[2];         /* Reserved, must be zero */
1081        u32 serial_number;
1082        u16 code;
1083        u16 windows;
1084        u64 window_size;
1085        u64 command_offset;
1086        u64 command_size;
1087        u64 status_offset;
1088        u64 status_size;
1089        u16 flags;
1090        u8 reserved1[6];        /* Reserved, must be zero */
1091};
1092
1093/* Flags */
1094
1095#define ACPI_NFIT_CONTROL_BUFFERED          (1) /* Block Data Windows implementation is buffered */
1096
1097/* valid_fields bits */
1098
1099#define ACPI_NFIT_CONTROL_MFG_INFO_VALID    (1) /* Manufacturing fields are valid */
1100
1101/* 5: NVDIMM Block Data Window Region Structure */
1102
1103struct acpi_nfit_data_region {
1104        struct acpi_nfit_header header;
1105        u16 region_index;
1106        u16 windows;
1107        u64 offset;
1108        u64 size;
1109        u64 capacity;
1110        u64 start_address;
1111};
1112
1113/* 6: Flush Hint Address Structure */
1114
1115struct acpi_nfit_flush_address {
1116        struct acpi_nfit_header header;
1117        u32 device_handle;
1118        u16 hint_count;
1119        u8 reserved[6];         /* Reserved, must be zero */
1120        u64 hint_address[1];    /* Variable length */
1121};
1122
1123/* 7: Platform Capabilities Structure */
1124
1125struct acpi_nfit_capabilities {
1126        struct acpi_nfit_header header;
1127        u8 highest_capability;
1128        u8 reserved[3];         /* Reserved, must be zero */
1129        u32 capabilities;
1130        u32 reserved2;
1131};
1132
1133/* Capabilities Flags */
1134
1135#define ACPI_NFIT_CAPABILITY_CACHE_FLUSH       (1)      /* 00: Cache Flush to NVDIMM capable */
1136#define ACPI_NFIT_CAPABILITY_MEM_FLUSH         (1<<1)   /* 01: Memory Flush to NVDIMM capable */
1137#define ACPI_NFIT_CAPABILITY_MEM_MIRRORING     (1<<2)   /* 02: Memory Mirroring capable */
1138
1139/*
1140 * NFIT/DVDIMM device handle support - used as the _ADR for each NVDIMM
1141 */
1142struct nfit_device_handle {
1143        u32 handle;
1144};
1145
1146/* Device handle construction and extraction macros */
1147
1148#define ACPI_NFIT_DIMM_NUMBER_MASK              0x0000000F
1149#define ACPI_NFIT_CHANNEL_NUMBER_MASK           0x000000F0
1150#define ACPI_NFIT_MEMORY_ID_MASK                0x00000F00
1151#define ACPI_NFIT_SOCKET_ID_MASK                0x0000F000
1152#define ACPI_NFIT_NODE_ID_MASK                  0x0FFF0000
1153
1154#define ACPI_NFIT_DIMM_NUMBER_OFFSET            0
1155#define ACPI_NFIT_CHANNEL_NUMBER_OFFSET         4
1156#define ACPI_NFIT_MEMORY_ID_OFFSET              8
1157#define ACPI_NFIT_SOCKET_ID_OFFSET              12
1158#define ACPI_NFIT_NODE_ID_OFFSET                16
1159
1160/* Macro to construct a NFIT/NVDIMM device handle */
1161
1162#define ACPI_NFIT_BUILD_DEVICE_HANDLE(dimm, channel, memory, socket, node) \
1163        ((dimm)                                         | \
1164        ((channel) << ACPI_NFIT_CHANNEL_NUMBER_OFFSET)  | \
1165        ((memory)  << ACPI_NFIT_MEMORY_ID_OFFSET)       | \
1166        ((socket)  << ACPI_NFIT_SOCKET_ID_OFFSET)       | \
1167        ((node)    << ACPI_NFIT_NODE_ID_OFFSET))
1168
1169/* Macros to extract individual fields from a NFIT/NVDIMM device handle */
1170
1171#define ACPI_NFIT_GET_DIMM_NUMBER(handle) \
1172        ((handle) & ACPI_NFIT_DIMM_NUMBER_MASK)
1173
1174#define ACPI_NFIT_GET_CHANNEL_NUMBER(handle) \
1175        (((handle) & ACPI_NFIT_CHANNEL_NUMBER_MASK) >> ACPI_NFIT_CHANNEL_NUMBER_OFFSET)
1176
1177#define ACPI_NFIT_GET_MEMORY_ID(handle) \
1178        (((handle) & ACPI_NFIT_MEMORY_ID_MASK)      >> ACPI_NFIT_MEMORY_ID_OFFSET)
1179
1180#define ACPI_NFIT_GET_SOCKET_ID(handle) \
1181        (((handle) & ACPI_NFIT_SOCKET_ID_MASK)      >> ACPI_NFIT_SOCKET_ID_OFFSET)
1182
1183#define ACPI_NFIT_GET_NODE_ID(handle) \
1184        (((handle) & ACPI_NFIT_NODE_ID_MASK)        >> ACPI_NFIT_NODE_ID_OFFSET)
1185
1186/*******************************************************************************
1187 *
1188 * PCCT - Platform Communications Channel Table (ACPI 5.0)
1189 *        Version 2 (ACPI 6.2)
1190 *
1191 ******************************************************************************/
1192
1193struct acpi_table_pcct {
1194        struct acpi_table_header header;        /* Common ACPI table header */
1195        u32 flags;
1196        u64 reserved;
1197};
1198
1199/* Values for Flags field above */
1200
1201#define ACPI_PCCT_DOORBELL              1
1202
1203/* Values for subtable type in struct acpi_subtable_header */
1204
1205enum acpi_pcct_type {
1206        ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
1207        ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
1208        ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,   /* ACPI 6.1 */
1209        ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,     /* ACPI 6.2 */
1210        ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,      /* ACPI 6.2 */
1211        ACPI_PCCT_TYPE_RESERVED = 5     /* 5 and greater are reserved */
1212};
1213
1214/*
1215 * PCCT Subtables, correspond to Type in struct acpi_subtable_header
1216 */
1217
1218/* 0: Generic Communications Subspace */
1219
1220struct acpi_pcct_subspace {
1221        struct acpi_subtable_header header;
1222        u8 reserved[6];
1223        u64 base_address;
1224        u64 length;
1225        struct acpi_generic_address doorbell_register;
1226        u64 preserve_mask;
1227        u64 write_mask;
1228        u32 latency;
1229        u32 max_access_rate;
1230        u16 min_turnaround_time;
1231};
1232
1233/* 1: HW-reduced Communications Subspace (ACPI 5.1) */
1234
1235struct acpi_pcct_hw_reduced {
1236        struct acpi_subtable_header header;
1237        u32 platform_interrupt;
1238        u8 flags;
1239        u8 reserved;
1240        u64 base_address;
1241        u64 length;
1242        struct acpi_generic_address doorbell_register;
1243        u64 preserve_mask;
1244        u64 write_mask;
1245        u32 latency;
1246        u32 max_access_rate;
1247        u16 min_turnaround_time;
1248};
1249
1250/* 2: HW-reduced Communications Subspace Type 2 (ACPI 6.1) */
1251
1252struct acpi_pcct_hw_reduced_type2 {
1253        struct acpi_subtable_header header;
1254        u32 platform_interrupt;
1255        u8 flags;
1256        u8 reserved;
1257        u64 base_address;
1258        u64 length;
1259        struct acpi_generic_address doorbell_register;
1260        u64 preserve_mask;
1261        u64 write_mask;
1262        u32 latency;
1263        u32 max_access_rate;
1264        u16 min_turnaround_time;
1265        struct acpi_generic_address platform_ack_register;
1266        u64 ack_preserve_mask;
1267        u64 ack_write_mask;
1268};
1269
1270/* 3: Extended PCC Master Subspace Type 3 (ACPI 6.2) */
1271
1272struct acpi_pcct_ext_pcc_master {
1273        struct acpi_subtable_header header;
1274        u32 platform_interrupt;
1275        u8 flags;
1276        u8 reserved1;
1277        u64 base_address;
1278        u32 length;
1279        struct acpi_generic_address doorbell_register;
1280        u64 preserve_mask;
1281        u64 write_mask;
1282        u32 latency;
1283        u32 max_access_rate;
1284        u32 min_turnaround_time;
1285        struct acpi_generic_address platform_ack_register;
1286        u64 ack_preserve_mask;
1287        u64 ack_set_mask;
1288        u64 reserved2;
1289        struct acpi_generic_address cmd_complete_register;
1290        u64 cmd_complete_mask;
1291        struct acpi_generic_address cmd_update_register;
1292        u64 cmd_update_preserve_mask;
1293        u64 cmd_update_set_mask;
1294        struct acpi_generic_address error_status_register;
1295        u64 error_status_mask;
1296};
1297
1298/* 4: Extended PCC Slave Subspace Type 4 (ACPI 6.2) */
1299
1300struct acpi_pcct_ext_pcc_slave {
1301        struct acpi_subtable_header header;
1302        u32 platform_interrupt;
1303        u8 flags;
1304        u8 reserved1;
1305        u64 base_address;
1306        u32 length;
1307        struct acpi_generic_address doorbell_register;
1308        u64 preserve_mask;
1309        u64 write_mask;
1310        u32 latency;
1311        u32 max_access_rate;
1312        u32 min_turnaround_time;
1313        struct acpi_generic_address platform_ack_register;
1314        u64 ack_preserve_mask;
1315        u64 ack_set_mask;
1316        u64 reserved2;
1317        struct acpi_generic_address cmd_complete_register;
1318        u64 cmd_complete_mask;
1319        struct acpi_generic_address cmd_update_register;
1320        u64 cmd_update_preserve_mask;
1321        u64 cmd_update_set_mask;
1322        struct acpi_generic_address error_status_register;
1323        u64 error_status_mask;
1324};
1325
1326/* Values for doorbell flags above */
1327
1328#define ACPI_PCCT_INTERRUPT_POLARITY    (1)
1329#define ACPI_PCCT_INTERRUPT_MODE        (1<<1)
1330
1331/*
1332 * PCC memory structures (not part of the ACPI table)
1333 */
1334
1335/* Shared Memory Region */
1336
1337struct acpi_pcct_shared_memory {
1338        u32 signature;
1339        u16 command;
1340        u16 status;
1341};
1342
1343/* Extended PCC Subspace Shared Memory Region (ACPI 6.2) */
1344
1345struct acpi_pcct_ext_pcc_shared_memory {
1346        u32 signature;
1347        u32 flags;
1348        u32 length;
1349        u32 command;
1350};
1351
1352/*******************************************************************************
1353 *
1354 * PDTT - Platform Debug Trigger Table (ACPI 6.2)
1355 *        Version 0
1356 *
1357 ******************************************************************************/
1358
1359struct acpi_table_pdtt {
1360        struct acpi_table_header header;        /* Common ACPI table header */
1361        u8 trigger_count;
1362        u8 reserved[3];
1363        u32 array_offset;
1364};
1365
1366/*
1367 * PDTT Communication Channel Identifier Structure.
1368 * The number of these structures is defined by trigger_count above,
1369 * starting at array_offset.
1370 */
1371struct acpi_pdtt_channel {
1372        u8 subchannel_id;
1373        u8 flags;
1374};
1375
1376/* Flags for above */
1377
1378#define ACPI_PDTT_RUNTIME_TRIGGER           (1)
1379#define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
1380#define ACPI_PDTT_TRIGGER_ORDER             (1<<2)
1381
1382/*******************************************************************************
1383 *
1384 * PMTT - Platform Memory Topology Table (ACPI 5.0)
1385 *        Version 1
1386 *
1387 ******************************************************************************/
1388
1389struct acpi_table_pmtt {
1390        struct acpi_table_header header;        /* Common ACPI table header */
1391        u32 reserved;
1392};
1393
1394/* Common header for PMTT subtables that follow main table */
1395
1396struct acpi_pmtt_header {
1397        u8 type;
1398        u8 reserved1;
1399        u16 length;
1400        u16 flags;
1401        u16 reserved2;
1402};
1403
1404/* Values for Type field above */
1405
1406#define ACPI_PMTT_TYPE_SOCKET           0
1407#define ACPI_PMTT_TYPE_CONTROLLER       1
1408#define ACPI_PMTT_TYPE_DIMM             2
1409#define ACPI_PMTT_TYPE_RESERVED         3       /* 0x03-0xFF are reserved */
1410
1411/* Values for Flags field above */
1412
1413#define ACPI_PMTT_TOP_LEVEL             0x0001
1414#define ACPI_PMTT_PHYSICAL              0x0002
1415#define ACPI_PMTT_MEMORY_TYPE           0x000C
1416
1417/*
1418 * PMTT subtables, correspond to Type in struct acpi_pmtt_header
1419 */
1420
1421/* 0: Socket Structure */
1422
1423struct acpi_pmtt_socket {
1424        struct acpi_pmtt_header header;
1425        u16 socket_id;
1426        u16 reserved;
1427};
1428
1429/* 1: Memory Controller subtable */
1430
1431struct acpi_pmtt_controller {
1432        struct acpi_pmtt_header header;
1433        u32 read_latency;
1434        u32 write_latency;
1435        u32 read_bandwidth;
1436        u32 write_bandwidth;
1437        u16 access_width;
1438        u16 alignment;
1439        u16 reserved;
1440        u16 domain_count;
1441};
1442
1443/* 1a: Proximity Domain substructure */
1444
1445struct acpi_pmtt_domain {
1446        u32 proximity_domain;
1447};
1448
1449/* 2: Physical Component Identifier (DIMM) */
1450
1451struct acpi_pmtt_physical_component {
1452        struct acpi_pmtt_header header;
1453        u16 component_id;
1454        u16 reserved;
1455        u32 memory_size;
1456        u32 bios_handle;
1457};
1458
1459/*******************************************************************************
1460 *
1461 * PPTT - Processor Properties Topology Table (ACPI 6.2)
1462 *        Version 1
1463 *
1464 ******************************************************************************/
1465
1466struct acpi_table_pptt {
1467        struct acpi_table_header header;        /* Common ACPI table header */
1468};
1469
1470/* Values for Type field above */
1471
1472enum acpi_pptt_type {
1473        ACPI_PPTT_TYPE_PROCESSOR = 0,
1474        ACPI_PPTT_TYPE_CACHE = 1,
1475        ACPI_PPTT_TYPE_ID = 2,
1476        ACPI_PPTT_TYPE_RESERVED = 3
1477};
1478
1479/* 0: Processor Hierarchy Node Structure */
1480
1481struct acpi_pptt_processor {
1482        struct acpi_subtable_header header;
1483        u16 reserved;
1484        u32 flags;
1485        u32 parent;
1486        u32 acpi_processor_id;
1487        u32 number_of_priv_resources;
1488};
1489
1490/* Flags */
1491
1492#define ACPI_PPTT_PHYSICAL_PACKAGE          (1)
1493#define ACPI_PPTT_ACPI_PROCESSOR_ID_VALID   (1<<1)
1494#define ACPI_PPTT_ACPI_PROCESSOR_IS_THREAD  (1<<2)      /* ACPI 6.3 */
1495#define ACPI_PPTT_ACPI_LEAF_NODE            (1<<3)      /* ACPI 6.3 */
1496#define ACPI_PPTT_ACPI_IDENTICAL            (1<<4)      /* ACPI 6.3 */
1497
1498/* 1: Cache Type Structure */
1499
1500struct acpi_pptt_cache {
1501        struct acpi_subtable_header header;
1502        u16 reserved;
1503        u32 flags;
1504        u32 next_level_of_cache;
1505        u32 size;
1506        u32 number_of_sets;
1507        u8 associativity;
1508        u8 attributes;
1509        u16 line_size;
1510};
1511
1512/* Flags */
1513
1514#define ACPI_PPTT_SIZE_PROPERTY_VALID       (1) /* Physical property valid */
1515#define ACPI_PPTT_NUMBER_OF_SETS_VALID      (1<<1)      /* Number of sets valid */
1516#define ACPI_PPTT_ASSOCIATIVITY_VALID       (1<<2)      /* Associativity valid */
1517#define ACPI_PPTT_ALLOCATION_TYPE_VALID     (1<<3)      /* Allocation type valid */
1518#define ACPI_PPTT_CACHE_TYPE_VALID          (1<<4)      /* Cache type valid */
1519#define ACPI_PPTT_WRITE_POLICY_VALID        (1<<5)      /* Write policy valid */
1520#define ACPI_PPTT_LINE_SIZE_VALID           (1<<6)      /* Line size valid */
1521
1522/* Masks for Attributes */
1523
1524#define ACPI_PPTT_MASK_ALLOCATION_TYPE      (0x03)      /* Allocation type */
1525#define ACPI_PPTT_MASK_CACHE_TYPE           (0x0C)      /* Cache type */
1526#define ACPI_PPTT_MASK_WRITE_POLICY         (0x10)      /* Write policy */
1527
1528/* Attributes describing cache */
1529#define ACPI_PPTT_CACHE_READ_ALLOCATE       (0x0)       /* Cache line is allocated on read */
1530#define ACPI_PPTT_CACHE_WRITE_ALLOCATE      (0x01)      /* Cache line is allocated on write */
1531#define ACPI_PPTT_CACHE_RW_ALLOCATE         (0x02)      /* Cache line is allocated on read and write */
1532#define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT     (0x03)      /* Alternate representation of above */
1533
1534#define ACPI_PPTT_CACHE_TYPE_DATA           (0x0)       /* Data cache */
1535#define ACPI_PPTT_CACHE_TYPE_INSTR          (1<<2)      /* Instruction cache */
1536#define ACPI_PPTT_CACHE_TYPE_UNIFIED        (2<<2)      /* Unified I & D cache */
1537#define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT    (3<<2)      /* Alternate representation of above */
1538
1539#define ACPI_PPTT_CACHE_POLICY_WB           (0x0)       /* Cache is write back */
1540#define ACPI_PPTT_CACHE_POLICY_WT           (1<<4)      /* Cache is write through */
1541
1542/* 2: ID Structure */
1543
1544struct acpi_pptt_id {
1545        struct acpi_subtable_header header;
1546        u16 reserved;
1547        u32 vendor_id;
1548        u64 level1_id;
1549        u64 level2_id;
1550        u16 major_rev;
1551        u16 minor_rev;
1552        u16 spin_rev;
1553};
1554
1555/*******************************************************************************
1556 *
1557 * RASF - RAS Feature Table (ACPI 5.0)
1558 *        Version 1
1559 *
1560 ******************************************************************************/
1561
1562struct acpi_table_rasf {
1563        struct acpi_table_header header;        /* Common ACPI table header */
1564        u8 channel_id[12];
1565};
1566
1567/* RASF Platform Communication Channel Shared Memory Region */
1568
1569struct acpi_rasf_shared_memory {
1570        u32 signature;
1571        u16 command;
1572        u16 status;
1573        u16 version;
1574        u8 capabilities[16];
1575        u8 set_capabilities[16];
1576        u16 num_parameter_blocks;
1577        u32 set_capabilities_status;
1578};
1579
1580/* RASF Parameter Block Structure Header */
1581
1582struct acpi_rasf_parameter_block {
1583        u16 type;
1584        u16 version;
1585        u16 length;
1586};
1587
1588/* RASF Parameter Block Structure for PATROL_SCRUB */
1589
1590struct acpi_rasf_patrol_scrub_parameter {
1591        struct acpi_rasf_parameter_block header;
1592        u16 patrol_scrub_command;
1593        u64 requested_address_range[2];
1594        u64 actual_address_range[2];
1595        u16 flags;
1596        u8 requested_speed;
1597};
1598
1599/* Masks for Flags and Speed fields above */
1600
1601#define ACPI_RASF_SCRUBBER_RUNNING      1
1602#define ACPI_RASF_SPEED                 (7<<1)
1603#define ACPI_RASF_SPEED_SLOW            (0<<1)
1604#define ACPI_RASF_SPEED_MEDIUM          (4<<1)
1605#define ACPI_RASF_SPEED_FAST            (7<<1)
1606
1607/* Channel Commands */
1608
1609enum acpi_rasf_commands {
1610        ACPI_RASF_EXECUTE_RASF_COMMAND = 1
1611};
1612
1613/* Platform RAS Capabilities */
1614
1615enum acpi_rasf_capabiliities {
1616        ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
1617        ACPI_SW_PATROL_SCRUB_EXPOSED = 1
1618};
1619
1620/* Patrol Scrub Commands */
1621
1622enum acpi_rasf_patrol_scrub_commands {
1623        ACPI_RASF_GET_PATROL_PARAMETERS = 1,
1624        ACPI_RASF_START_PATROL_SCRUBBER = 2,
1625        ACPI_RASF_STOP_PATROL_SCRUBBER = 3
1626};
1627
1628/* Channel Command flags */
1629
1630#define ACPI_RASF_GENERATE_SCI          (1<<15)
1631
1632/* Status values */
1633
1634enum acpi_rasf_status {
1635        ACPI_RASF_SUCCESS = 0,
1636        ACPI_RASF_NOT_VALID = 1,
1637        ACPI_RASF_NOT_SUPPORTED = 2,
1638        ACPI_RASF_BUSY = 3,
1639        ACPI_RASF_FAILED = 4,
1640        ACPI_RASF_ABORTED = 5,
1641        ACPI_RASF_INVALID_DATA = 6
1642};
1643
1644/* Status flags */
1645
1646#define ACPI_RASF_COMMAND_COMPLETE      (1)
1647#define ACPI_RASF_SCI_DOORBELL          (1<<1)
1648#define ACPI_RASF_ERROR                 (1<<2)
1649#define ACPI_RASF_STATUS                (0x1F<<3)
1650
1651/*******************************************************************************
1652 *
1653 * SBST - Smart Battery Specification Table
1654 *        Version 1
1655 *
1656 ******************************************************************************/
1657
1658struct acpi_table_sbst {
1659        struct acpi_table_header header;        /* Common ACPI table header */
1660        u32 warning_level;
1661        u32 low_level;
1662        u32 critical_level;
1663};
1664
1665/*******************************************************************************
1666 *
1667 * SDEI - Software Delegated Exception Interface Descriptor Table
1668 *
1669 * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
1670 * May 8th, 2017. Copyright 2017 ARM Ltd.
1671 *
1672 ******************************************************************************/
1673
1674struct acpi_table_sdei {
1675        struct acpi_table_header header;        /* Common ACPI table header */
1676};
1677
1678/*******************************************************************************
1679 *
1680 * SDEV - Secure Devices Table (ACPI 6.2)
1681 *        Version 1
1682 *
1683 ******************************************************************************/
1684
1685struct acpi_table_sdev {
1686        struct acpi_table_header header;        /* Common ACPI table header */
1687};
1688
1689struct acpi_sdev_header {
1690        u8 type;
1691        u8 flags;
1692        u16 length;
1693};
1694
1695/* Values for subtable type above */
1696
1697enum acpi_sdev_type {
1698        ACPI_SDEV_TYPE_NAMESPACE_DEVICE = 0,
1699        ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE = 1,
1700        ACPI_SDEV_TYPE_RESERVED = 2     /* 2 and greater are reserved */
1701};
1702
1703/* Values for flags above */
1704
1705#define ACPI_SDEV_HANDOFF_TO_UNSECURE_OS    (1)
1706
1707/*
1708 * SDEV subtables
1709 */
1710
1711/* 0: Namespace Device Based Secure Device Structure */
1712
1713struct acpi_sdev_namespace {
1714        struct acpi_sdev_header header;
1715        u16 device_id_offset;
1716        u16 device_id_length;
1717        u16 vendor_data_offset;
1718        u16 vendor_data_length;
1719};
1720
1721/* 1: PCIe Endpoint Device Based Device Structure */
1722
1723struct acpi_sdev_pcie {
1724        struct acpi_sdev_header header;
1725        u16 segment;
1726        u16 start_bus;
1727        u16 path_offset;
1728        u16 path_length;
1729        u16 vendor_data_offset;
1730        u16 vendor_data_length;
1731};
1732
1733/* 1a: PCIe Endpoint path entry */
1734
1735struct acpi_sdev_pcie_path {
1736        u8 device;
1737        u8 function;
1738};
1739
1740/* Reset to default packing */
1741
1742#pragma pack()
1743
1744#endif                          /* __ACTBL2_H__ */
1745