LXR qemu/include/hw/acpi/acpi-defs.h

   1/*
   2 * This program is free software; you can redistribute it and/or modify
   3 * it under the terms of the GNU General Public License as published by
   4 * the Free Software Foundation; either version 2 of the License, or
   5 * (at your option) any later version.
   6
   7 * This program is distributed in the hope that it will be useful,
   8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 * GNU General Public License for more details.
  11
  12 * You should have received a copy of the GNU General Public License along
  13 * with this program; if not, see <http://www.gnu.org/licenses/>.
  14 */
  15#ifndef QEMU_ACPI_DEFS_H
  16#define QEMU_ACPI_DEFS_H
  17
  18enum {
  19    ACPI_FADT_F_WBINVD,
  20    ACPI_FADT_F_WBINVD_FLUSH,
  21    ACPI_FADT_F_PROC_C1,
  22    ACPI_FADT_F_P_LVL2_UP,
  23    ACPI_FADT_F_PWR_BUTTON,
  24    ACPI_FADT_F_SLP_BUTTON,
  25    ACPI_FADT_F_FIX_RTC,
  26    ACPI_FADT_F_RTC_S4,
  27    ACPI_FADT_F_TMR_VAL_EXT,
  28    ACPI_FADT_F_DCK_CAP,
  29    ACPI_FADT_F_RESET_REG_SUP,
  30    ACPI_FADT_F_SEALED_CASE,
  31    ACPI_FADT_F_HEADLESS,
  32    ACPI_FADT_F_CPU_SW_SLP,
  33    ACPI_FADT_F_PCI_EXP_WAK,
  34    ACPI_FADT_F_USE_PLATFORM_CLOCK,
  35    ACPI_FADT_F_S4_RTC_STS_VALID,
  36    ACPI_FADT_F_REMOTE_POWER_ON_CAPABLE,
  37    ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL,
  38    ACPI_FADT_F_FORCE_APIC_PHYSICAL_DESTINATION_MODE,
  39    ACPI_FADT_F_HW_REDUCED_ACPI,
  40    ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE,
  41};
  42
  43struct AcpiRsdpDescriptor {        /* Root System Descriptor Pointer */
  44    uint64_t signature;              /* ACPI signature, contains "RSD PTR " */
  45    uint8_t  checksum;               /* To make sum of struct == 0 */
  46    uint8_t  oem_id [6];             /* OEM identification */
  47    uint8_t  revision;               /* Must be 0 for 1.0, 2 for 2.0 */
  48    uint32_t rsdt_physical_address;  /* 32-bit physical address of RSDT */
  49    uint32_t length;                 /* XSDT Length in bytes including hdr */
  50    uint64_t xsdt_physical_address;  /* 64-bit physical address of XSDT */
  51    uint8_t  extended_checksum;      /* Checksum of entire table */
  52    uint8_t  reserved [3];           /* Reserved field must be 0 */
  53} QEMU_PACKED;
  54typedef struct AcpiRsdpDescriptor AcpiRsdpDescriptor;
  55
  56/* Table structure from Linux kernel (the ACPI tables are under the
  57   BSD license) */
  58
  59
  60#define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
  61    uint32_t signature;          /* ACPI signature (4 ASCII characters) */ \
  62    uint32_t length;                 /* Length of table, in bytes, including header */ \
  63    uint8_t  revision;               /* ACPI Specification minor version # */ \
  64    uint8_t  checksum;               /* To make sum of entire table == 0 */ \
  65    uint8_t  oem_id [6];             /* OEM identification */ \
  66    uint8_t  oem_table_id [8];       /* OEM table identification */ \
  67    uint32_t oem_revision;           /* OEM revision number */ \
  68    uint8_t  asl_compiler_id [4];    /* ASL compiler vendor ID */ \
  69    uint32_t asl_compiler_revision;  /* ASL compiler revision number */
  70
  71
  72/* ACPI common table header */
  73struct AcpiTableHeader {
  74    ACPI_TABLE_HEADER_DEF
  75} QEMU_PACKED;
  76typedef struct AcpiTableHeader AcpiTableHeader;
  77
  78struct AcpiGenericAddress {
  79    uint8_t space_id;        /* Address space where struct or register exists */
  80    uint8_t bit_width;       /* Size in bits of given register */
  81    uint8_t bit_offset;      /* Bit offset within the register */
  82    uint8_t access_width;    /* ACPI 3.0: Minimum Access size (ACPI 3.0),
  83                                ACPI 2.0: Reserved, Table 5-1 */
  84    uint64_t address;        /* 64-bit address of struct or register */
  85} QEMU_PACKED;
  86
  87typedef struct AcpiFadtData {
  88    struct AcpiGenericAddress pm1a_cnt;   /* PM1a_CNT_BLK */
  89    struct AcpiGenericAddress pm1a_evt;   /* PM1a_EVT_BLK */
  90    struct AcpiGenericAddress pm_tmr;    /* PM_TMR_BLK */
  91    struct AcpiGenericAddress gpe0_blk;  /* GPE0_BLK */
  92    struct AcpiGenericAddress reset_reg; /* RESET_REG */
  93    uint8_t reset_val;         /* RESET_VALUE */
  94    uint8_t  rev;              /* Revision */
  95    uint32_t flags;            /* Flags */
  96    uint32_t smi_cmd;          /* SMI_CMD */
  97    uint16_t sci_int;          /* SCI_INT */
  98    uint8_t  int_model;        /* INT_MODEL */
  99    uint8_t  acpi_enable_cmd;  /* ACPI_ENABLE */
 100    uint8_t  acpi_disable_cmd; /* ACPI_DISABLE */
 101    uint8_t  rtc_century;      /* CENTURY */
 102    uint16_t plvl2_lat;        /* P_LVL2_LAT */
 103    uint16_t plvl3_lat;        /* P_LVL3_LAT */
 104    uint16_t arm_boot_arch;    /* ARM_BOOT_ARCH */
 105    uint8_t minor_ver;         /* FADT Minor Version */
 106
 107    /*
 108     * respective tables offsets within ACPI_BUILD_TABLE_FILE,
 109     * NULL if table doesn't exist (in that case field's value
 110     * won't be patched by linker and will be kept set to 0)
 111     */
 112    unsigned *facs_tbl_offset; /* FACS offset in */
 113    unsigned *dsdt_tbl_offset;
 114    unsigned *xdsdt_tbl_offset;
 115} AcpiFadtData;
 116
 117#define ACPI_FADT_ARM_PSCI_COMPLIANT  (1 << 0)
 118#define ACPI_FADT_ARM_PSCI_USE_HVC    (1 << 1)
 119
 120/*
 121 * Serial Port Console Redirection Table (SPCR), Rev. 1.02
 122 *
 123 * For .interface_type see Debug Port Table 2 (DBG2) serial port
 124 * subtypes in Table 3, Rev. May 22, 2012
 125 */
 126struct AcpiSerialPortConsoleRedirection {
 127    ACPI_TABLE_HEADER_DEF
 128    uint8_t  interface_type;
 129    uint8_t  reserved1[3];
 130    struct AcpiGenericAddress base_address;
 131    uint8_t  interrupt_types;
 132    uint8_t  irq;
 133    uint32_t gsi;
 134    uint8_t  baud;
 135    uint8_t  parity;
 136    uint8_t  stopbits;
 137    uint8_t  flowctrl;
 138    uint8_t  term_type;
 139    uint8_t  reserved2;
 140    uint16_t pci_device_id;
 141    uint16_t pci_vendor_id;
 142    uint8_t  pci_bus;
 143    uint8_t  pci_slot;
 144    uint8_t  pci_func;
 145    uint32_t pci_flags;
 146    uint8_t  pci_seg;
 147    uint32_t reserved3;
 148} QEMU_PACKED;
 149typedef struct AcpiSerialPortConsoleRedirection
 150               AcpiSerialPortConsoleRedirection;
 151
 152/*
 153 * ACPI 1.0 Root System Description Table (RSDT)
 154 */
 155struct AcpiRsdtDescriptorRev1 {
 156    ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
 157    uint32_t table_offset_entry[0];  /* Array of pointers to other */
 158    /* ACPI tables */
 159} QEMU_PACKED;
 160typedef struct AcpiRsdtDescriptorRev1 AcpiRsdtDescriptorRev1;
 161
 162/*
 163 * ACPI 2.0 eXtended System Description Table (XSDT)
 164 */
 165struct AcpiXsdtDescriptorRev2 {
 166    ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
 167    uint64_t table_offset_entry[0];  /* Array of pointers to other */
 168    /* ACPI tables */
 169} QEMU_PACKED;
 170typedef struct AcpiXsdtDescriptorRev2 AcpiXsdtDescriptorRev2;
 171
 172/*
 173 * ACPI 1.0 Firmware ACPI Control Structure (FACS)
 174 */
 175struct AcpiFacsDescriptorRev1 {
 176    uint32_t signature;           /* ACPI Signature */
 177    uint32_t length;                 /* Length of structure, in bytes */
 178    uint32_t hardware_signature;     /* Hardware configuration signature */
 179    uint32_t firmware_waking_vector; /* ACPI OS waking vector */
 180    uint32_t global_lock;            /* Global Lock */
 181    uint32_t flags;
 182    uint8_t  resverved3 [40];        /* Reserved - must be zero */
 183} QEMU_PACKED;
 184typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1;
 185
 186/*
 187 * Differentiated System Description Table (DSDT)
 188 */
 189
 190/*
 191 * MADT values and structures
 192 */
 193
 194/* Values for MADT PCATCompat */
 195
 196#define ACPI_DUAL_PIC                0
 197#define ACPI_MULTIPLE_APIC           1
 198
 199/* Master MADT */
 200
 201struct AcpiMultipleApicTable {
 202    ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
 203    uint32_t local_apic_address;     /* Physical address of local APIC */
 204    uint32_t flags;
 205} QEMU_PACKED;
 206typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
 207
 208/* Values for Type in APIC sub-headers */
 209
 210#define ACPI_APIC_PROCESSOR          0
 211#define ACPI_APIC_IO                 1
 212#define ACPI_APIC_XRUPT_OVERRIDE     2
 213#define ACPI_APIC_NMI                3
 214#define ACPI_APIC_LOCAL_NMI          4
 215#define ACPI_APIC_ADDRESS_OVERRIDE   5
 216#define ACPI_APIC_IO_SAPIC           6
 217#define ACPI_APIC_LOCAL_SAPIC        7
 218#define ACPI_APIC_XRUPT_SOURCE       8
 219#define ACPI_APIC_LOCAL_X2APIC       9
 220#define ACPI_APIC_LOCAL_X2APIC_NMI      10
 221#define ACPI_APIC_GENERIC_CPU_INTERFACE 11
 222#define ACPI_APIC_GENERIC_DISTRIBUTOR   12
 223#define ACPI_APIC_GENERIC_MSI_FRAME     13
 224#define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
 225#define ACPI_APIC_GENERIC_TRANSLATOR    15
 226#define ACPI_APIC_RESERVED              16   /* 16 and greater are reserved */
 227
 228/*
 229 * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
 230 */
 231#define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
 232    uint8_t  type;                               \
 233    uint8_t  length;
 234
 235/* Sub-structures for MADT */
 236
 237struct AcpiMadtProcessorApic {
 238    ACPI_SUB_HEADER_DEF
 239    uint8_t  processor_id;           /* ACPI processor id */
 240    uint8_t  local_apic_id;          /* Processor's local APIC id */
 241    uint32_t flags;
 242} QEMU_PACKED;
 243typedef struct AcpiMadtProcessorApic AcpiMadtProcessorApic;
 244
 245struct AcpiMadtIoApic {
 246    ACPI_SUB_HEADER_DEF
 247    uint8_t  io_apic_id;             /* I/O APIC ID */
 248    uint8_t  reserved;               /* Reserved - must be zero */
 249    uint32_t address;                /* APIC physical address */
 250    uint32_t interrupt;              /* Global system interrupt where INTI
 251                                 * lines start */
 252} QEMU_PACKED;
 253typedef struct AcpiMadtIoApic AcpiMadtIoApic;
 254
 255struct AcpiMadtIntsrcovr {
 256    ACPI_SUB_HEADER_DEF
 257    uint8_t  bus;
 258    uint8_t  source;
 259    uint32_t gsi;
 260    uint16_t flags;
 261} QEMU_PACKED;
 262typedef struct AcpiMadtIntsrcovr AcpiMadtIntsrcovr;
 263
 264struct AcpiMadtLocalNmi {
 265    ACPI_SUB_HEADER_DEF
 266    uint8_t  processor_id;           /* ACPI processor id */
 267    uint16_t flags;                  /* MPS INTI flags */
 268    uint8_t  lint;                   /* Local APIC LINT# */
 269} QEMU_PACKED;
 270typedef struct AcpiMadtLocalNmi AcpiMadtLocalNmi;
 271
 272struct AcpiMadtProcessorX2Apic {
 273    ACPI_SUB_HEADER_DEF
 274    uint16_t reserved;
 275    uint32_t x2apic_id;              /* Processor's local x2APIC ID */
 276    uint32_t flags;
 277    uint32_t uid;                    /* Processor object _UID */
 278} QEMU_PACKED;
 279typedef struct AcpiMadtProcessorX2Apic AcpiMadtProcessorX2Apic;
 280
 281struct AcpiMadtLocalX2ApicNmi {
 282    ACPI_SUB_HEADER_DEF
 283    uint16_t flags;                  /* MPS INTI flags */
 284    uint32_t uid;                    /* Processor object _UID */
 285    uint8_t  lint;                   /* Local APIC LINT# */
 286    uint8_t  reserved[3];            /* Local APIC LINT# */
 287} QEMU_PACKED;
 288typedef struct AcpiMadtLocalX2ApicNmi AcpiMadtLocalX2ApicNmi;
 289
 290struct AcpiMadtGenericCpuInterface {
 291    ACPI_SUB_HEADER_DEF
 292    uint16_t reserved;
 293    uint32_t cpu_interface_number;
 294    uint32_t uid;
 295    uint32_t flags;
 296    uint32_t parking_version;
 297    uint32_t performance_interrupt;
 298    uint64_t parked_address;
 299    uint64_t base_address;
 300    uint64_t gicv_base_address;
 301    uint64_t gich_base_address;
 302    uint32_t vgic_interrupt;
 303    uint64_t gicr_base_address;
 304    uint64_t arm_mpidr;
 305} QEMU_PACKED;
 306
 307typedef struct AcpiMadtGenericCpuInterface AcpiMadtGenericCpuInterface;
 308
 309/* GICC CPU Interface Flags */
 310#define ACPI_MADT_GICC_ENABLED 1
 311
 312struct AcpiMadtGenericDistributor {
 313    ACPI_SUB_HEADER_DEF
 314    uint16_t reserved;
 315    uint32_t gic_id;
 316    uint64_t base_address;
 317    uint32_t global_irq_base;
 318    /* ACPI 5.1 Errata 1228 Present GIC version in MADT table */
 319    uint8_t version;
 320    uint8_t reserved2[3];
 321} QEMU_PACKED;
 322
 323typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;
 324
 325struct AcpiMadtGenericMsiFrame {
 326    ACPI_SUB_HEADER_DEF
 327    uint16_t reserved;
 328    uint32_t gic_msi_frame_id;
 329    uint64_t base_address;
 330    uint32_t flags;
 331    uint16_t spi_count;
 332    uint16_t spi_base;
 333} QEMU_PACKED;
 334
 335typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame;
 336
 337struct AcpiMadtGenericRedistributor {
 338    ACPI_SUB_HEADER_DEF
 339    uint16_t reserved;
 340    uint64_t base_address;
 341    uint32_t range_length;
 342} QEMU_PACKED;
 343
 344typedef struct AcpiMadtGenericRedistributor AcpiMadtGenericRedistributor;
 345
 346struct AcpiMadtGenericTranslator {
 347    ACPI_SUB_HEADER_DEF
 348    uint16_t reserved;
 349    uint32_t translation_id;
 350    uint64_t base_address;
 351    uint32_t reserved2;
 352} QEMU_PACKED;
 353
 354typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator;
 355
 356/*
 357 * Generic Timer Description Table (GTDT)
 358 */
 359#define ACPI_GTDT_INTERRUPT_MODE_LEVEL    (0 << 0)
 360#define ACPI_GTDT_INTERRUPT_MODE_EDGE     (1 << 0)
 361#define ACPI_GTDT_CAP_ALWAYS_ON           (1 << 2)
 362
 363struct AcpiGenericTimerTable {
 364    ACPI_TABLE_HEADER_DEF
 365    uint64_t counter_block_addresss;
 366    uint32_t reserved;
 367    uint32_t secure_el1_interrupt;
 368    uint32_t secure_el1_flags;
 369    uint32_t non_secure_el1_interrupt;
 370    uint32_t non_secure_el1_flags;
 371    uint32_t virtual_timer_interrupt;
 372    uint32_t virtual_timer_flags;
 373    uint32_t non_secure_el2_interrupt;
 374    uint32_t non_secure_el2_flags;
 375    uint64_t counter_read_block_address;
 376    uint32_t platform_timer_count;
 377    uint32_t platform_timer_offset;
 378} QEMU_PACKED;
 379typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;
 380
 381/*
 382 * HPET Description Table
 383 */
 384struct Acpi20Hpet {
 385    ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 386    uint32_t           timer_block_id;
 387    struct AcpiGenericAddress addr;
 388    uint8_t            hpet_number;
 389    uint16_t           min_tick;
 390    uint8_t            page_protect;
 391} QEMU_PACKED;
 392typedef struct Acpi20Hpet Acpi20Hpet;
 393
 394/*
 395 * SRAT (NUMA topology description) table
 396 */
 397
 398struct AcpiSystemResourceAffinityTable {
 399    ACPI_TABLE_HEADER_DEF
 400    uint32_t    reserved1;
 401    uint32_t    reserved2[2];
 402} QEMU_PACKED;
 403typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;
 404
 405#define ACPI_SRAT_PROCESSOR_APIC     0
 406#define ACPI_SRAT_MEMORY             1
 407#define ACPI_SRAT_PROCESSOR_x2APIC   2
 408#define ACPI_SRAT_PROCESSOR_GICC     3
 409
 410struct AcpiSratProcessorAffinity {
 411    ACPI_SUB_HEADER_DEF
 412    uint8_t     proximity_lo;
 413    uint8_t     local_apic_id;
 414    uint32_t    flags;
 415    uint8_t     local_sapic_eid;
 416    uint8_t     proximity_hi[3];
 417    uint32_t    reserved;
 418} QEMU_PACKED;
 419typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity;
 420
 421struct AcpiSratProcessorX2ApicAffinity {
 422    ACPI_SUB_HEADER_DEF
 423    uint16_t    reserved;
 424    uint32_t    proximity_domain;
 425    uint32_t    x2apic_id;
 426    uint32_t    flags;
 427    uint32_t    clk_domain;
 428    uint32_t    reserved2;
 429} QEMU_PACKED;
 430typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity;
 431
 432struct AcpiSratMemoryAffinity {
 433    ACPI_SUB_HEADER_DEF
 434    uint32_t    proximity;
 435    uint16_t    reserved1;
 436    uint64_t    base_addr;
 437    uint64_t    range_length;
 438    uint32_t    reserved2;
 439    uint32_t    flags;
 440    uint32_t    reserved3[2];
 441} QEMU_PACKED;
 442typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity;
 443
 444struct AcpiSratProcessorGiccAffinity {
 445    ACPI_SUB_HEADER_DEF
 446    uint32_t    proximity;
 447    uint32_t    acpi_processor_uid;
 448    uint32_t    flags;
 449    uint32_t    clock_domain;
 450} QEMU_PACKED;
 451
 452typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity;
 453
 454/* PCI fw r3.0 MCFG table. */
 455/* Subtable */
 456struct AcpiMcfgAllocation {
 457    uint64_t address;                /* Base address, processor-relative */
 458    uint16_t pci_segment;            /* PCI segment group number */
 459    uint8_t start_bus_number;       /* Starting PCI Bus number */
 460    uint8_t end_bus_number;         /* Final PCI Bus number */
 461    uint32_t reserved;
 462} QEMU_PACKED;
 463typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;
 464
 465struct AcpiTableMcfg {
 466    ACPI_TABLE_HEADER_DEF;
 467    uint8_t reserved[8];
 468    AcpiMcfgAllocation allocation[0];
 469} QEMU_PACKED;
 470typedef struct AcpiTableMcfg AcpiTableMcfg;
 471
 472/*
 473 * TCPA Description Table
 474 *
 475 * Following Level 00, Rev 00.37 of specs:
 476 * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 477 */
 478struct Acpi20Tcpa {
 479    ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 480    uint16_t platform_class;
 481    uint32_t log_area_minimum_length;
 482    uint64_t log_area_start_address;
 483} QEMU_PACKED;
 484typedef struct Acpi20Tcpa Acpi20Tcpa;
 485
 486/*
 487 * TPM2
 488 *
 489 * Following Version 1.2, Revision 8 of specs:
 490 * https://trustedcomputinggroup.org/tcg-acpi-specification/
 491 */
 492struct Acpi20TPM2 {
 493    ACPI_TABLE_HEADER_DEF
 494    uint16_t platform_class;
 495    uint16_t reserved;
 496    uint64_t control_area_address;
 497    uint32_t start_method;
 498    uint8_t start_method_params[12];
 499    uint32_t log_area_minimum_length;
 500    uint64_t log_area_start_address;
 501} QEMU_PACKED;
 502typedef struct Acpi20TPM2 Acpi20TPM2;
 503
 504/* DMAR - DMA Remapping table r2.2 */
 505struct AcpiTableDmar {
 506    ACPI_TABLE_HEADER_DEF
 507    uint8_t host_address_width; /* Maximum DMA physical addressability */
 508    uint8_t flags;
 509    uint8_t reserved[10];
 510} QEMU_PACKED;
 511typedef struct AcpiTableDmar AcpiTableDmar;
 512
 513/* Masks for Flags field above */
 514#define ACPI_DMAR_INTR_REMAP        1
 515#define ACPI_DMAR_X2APIC_OPT_OUT    (1 << 1)
 516
 517/* Values for sub-structure type for DMAR */
 518enum {
 519    ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,       /* DRHD */
 520    ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,     /* RMRR */
 521    ACPI_DMAR_TYPE_ATSR = 2,                /* ATSR */
 522    ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,   /* RHSR */
 523    ACPI_DMAR_TYPE_ANDD = 4,                /* ANDD */
 524    ACPI_DMAR_TYPE_RESERVED = 5             /* Reserved for furture use */
 525};
 526
 527/*
 528 * Sub-structures for DMAR
 529 */
 530
 531/* Device scope structure for DRHD. */
 532struct AcpiDmarDeviceScope {
 533    uint8_t entry_type;
 534    uint8_t length;
 535    uint16_t reserved;
 536    uint8_t enumeration_id;
 537    uint8_t bus;
 538    struct {
 539        uint8_t device;
 540        uint8_t function;
 541    } path[0];
 542} QEMU_PACKED;
 543typedef struct AcpiDmarDeviceScope AcpiDmarDeviceScope;
 544
 545/* Type 0: Hardware Unit Definition */
 546struct AcpiDmarHardwareUnit {
 547    uint16_t type;
 548    uint16_t length;
 549    uint8_t flags;
 550    uint8_t reserved;
 551    uint16_t pci_segment;   /* The PCI Segment associated with this unit */
 552    uint64_t address;   /* Base address of remapping hardware register-set */
 553    AcpiDmarDeviceScope scope[0];
 554} QEMU_PACKED;
 555typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit;
 556
 557/* Type 2: Root Port ATS Capability Reporting Structure */
 558struct AcpiDmarRootPortATS {
 559    uint16_t type;
 560    uint16_t length;
 561    uint8_t flags;
 562    uint8_t reserved;
 563    uint16_t pci_segment;
 564    AcpiDmarDeviceScope scope[0];
 565} QEMU_PACKED;
 566typedef struct AcpiDmarRootPortATS AcpiDmarRootPortATS;
 567
 568/* Masks for Flags field above */
 569#define ACPI_DMAR_INCLUDE_PCI_ALL   1
 570#define ACPI_DMAR_ATSR_ALL_PORTS    1
 571
 572/*
 573 * Input Output Remapping Table (IORT)
 574 * Conforms to "IO Remapping Table System Software on ARM Platforms",
 575 * Document number: ARM DEN 0049B, October 2015
 576 */
 577
 578struct AcpiIortTable {
 579    ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
 580    uint32_t node_count;
 581    uint32_t node_offset;
 582    uint32_t reserved;
 583} QEMU_PACKED;
 584typedef struct AcpiIortTable AcpiIortTable;
 585
 586/*
 587 * IORT node types
 588 */
 589
 590#define ACPI_IORT_NODE_HEADER_DEF   /* Node format common fields */ \
 591    uint8_t  type;          \
 592    uint16_t length;        \
 593    uint8_t  revision;      \
 594    uint32_t reserved;      \
 595    uint32_t mapping_count; \
 596    uint32_t mapping_offset;
 597
 598/* Values for node Type above */
 599enum {
 600        ACPI_IORT_NODE_ITS_GROUP = 0x00,
 601        ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 602        ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 603        ACPI_IORT_NODE_SMMU = 0x03,
 604        ACPI_IORT_NODE_SMMU_V3 = 0x04
 605};
 606
 607struct AcpiIortIdMapping {
 608    uint32_t input_base;
 609    uint32_t id_count;
 610    uint32_t output_base;
 611    uint32_t output_reference;
 612    uint32_t flags;
 613} QEMU_PACKED;
 614typedef struct AcpiIortIdMapping AcpiIortIdMapping;
 615
 616struct AcpiIortMemoryAccess {
 617    uint32_t cache_coherency;
 618    uint8_t  hints;
 619    uint16_t reserved;
 620    uint8_t  memory_flags;
 621} QEMU_PACKED;
 622typedef struct AcpiIortMemoryAccess AcpiIortMemoryAccess;
 623
 624struct AcpiIortItsGroup {
 625    ACPI_IORT_NODE_HEADER_DEF
 626    uint32_t its_count;
 627    uint32_t identifiers[0];
 628} QEMU_PACKED;
 629typedef struct AcpiIortItsGroup AcpiIortItsGroup;
 630
 631struct AcpiIortSmmu3 {
 632    ACPI_IORT_NODE_HEADER_DEF
 633    uint64_t base_address;
 634    uint32_t flags;
 635    uint32_t reserved2;
 636    uint64_t vatos_address;
 637    uint32_t model;
 638    uint32_t event_gsiv;
 639    uint32_t pri_gsiv;
 640    uint32_t gerr_gsiv;
 641    uint32_t sync_gsiv;
 642    AcpiIortIdMapping id_mapping_array[0];
 643} QEMU_PACKED;
 644typedef struct AcpiIortSmmu3 AcpiIortSmmu3;
 645
 646struct AcpiIortRC {
 647    ACPI_IORT_NODE_HEADER_DEF
 648    AcpiIortMemoryAccess memory_properties;
 649    uint32_t ats_attribute;
 650    uint32_t pci_segment_number;
 651    AcpiIortIdMapping id_mapping_array[0];
 652} QEMU_PACKED;
 653typedef struct AcpiIortRC AcpiIortRC;
 654
 655#endif
 656