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
  18 enum {
  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
  43 typedef struct AcpiRsdpData {
  44     uint8_t oem_id[6] QEMU_NONSTRING; /* OEM identification */
  45     uint8_t revision;                 /* Must be 0 for 1.0, 2 for 2.0 */
  46
  47     unsigned *rsdt_tbl_offset;
  48     unsigned *xsdt_tbl_offset;
  49 } AcpiRsdpData;
  50
  51 /* Table structure from Linux kernel (the ACPI tables are under the
  52    BSD license) */
  53
  54
  55 #define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
  56     uint32_t signature;          /* ACPI signature (4 ASCII characters) */ \
  57     uint32_t length;                 /* Length of table, in bytes, including header */ \
  58     uint8_t  revision;               /* ACPI Specification minor version # */ \
  59     uint8_t  checksum;               /* To make sum of entire table == 0 */ \
  60     uint8_t  oem_id[6] \
  61                  QEMU_NONSTRING;     /* OEM identification */ \
  62     uint8_t  oem_table_id[8] \
  63                  QEMU_NONSTRING;     /* OEM table identification */ \
  64     uint32_t oem_revision;           /* OEM revision number */ \
  65     uint8_t  asl_compiler_id[4] \
  66                  QEMU_NONSTRING;     /* ASL compiler vendor ID */ \
  67     uint32_t asl_compiler_revision;  /* ASL compiler revision number */
  68
  69
  70 /* ACPI common table header */
  71 struct AcpiTableHeader {
  72     ACPI_TABLE_HEADER_DEF
  73 } QEMU_PACKED;
  74 typedef struct AcpiTableHeader AcpiTableHeader;
  75
  76 struct AcpiGenericAddress {
  77     uint8_t space_id;        /* Address space where struct or register exists */
  78     uint8_t bit_width;       /* Size in bits of given register */
  79     uint8_t bit_offset;      /* Bit offset within the register */
  80     uint8_t access_width;    /* ACPI 3.0: Minimum Access size (ACPI 3.0),
  81                                 ACPI 2.0: Reserved, Table 5-1 */
  82     uint64_t address;        /* 64-bit address of struct or register */
  83 } QEMU_PACKED;
  84
  85 typedef struct AcpiFadtData {
  86     struct AcpiGenericAddress pm1a_cnt;   /* PM1a_CNT_BLK */
  87     struct AcpiGenericAddress pm1a_evt;   /* PM1a_EVT_BLK */
  88     struct AcpiGenericAddress pm_tmr;    /* PM_TMR_BLK */
  89     struct AcpiGenericAddress gpe0_blk;  /* GPE0_BLK */
  90     struct AcpiGenericAddress reset_reg; /* RESET_REG */
  91     uint8_t reset_val;         /* RESET_VALUE */
  92     uint8_t  rev;              /* Revision */
  93     uint32_t flags;            /* Flags */
  94     uint32_t smi_cmd;          /* SMI_CMD */
  95     uint16_t sci_int;          /* SCI_INT */
  96     uint8_t  int_model;        /* INT_MODEL */
  97     uint8_t  acpi_enable_cmd;  /* ACPI_ENABLE */
  98     uint8_t  acpi_disable_cmd; /* ACPI_DISABLE */
  99     uint8_t  rtc_century;      /* CENTURY */
 100     uint16_t plvl2_lat;        /* P_LVL2_LAT */
 101     uint16_t plvl3_lat;        /* P_LVL3_LAT */
 102     uint16_t arm_boot_arch;    /* ARM_BOOT_ARCH */
 103     uint8_t minor_ver;         /* FADT Minor Version */
 104
 105     /*
 106      * respective tables offsets within ACPI_BUILD_TABLE_FILE,
 107      * NULL if table doesn't exist (in that case field's value
 108      * won't be patched by linker and will be kept set to 0)
 109      */
 110     unsigned *facs_tbl_offset; /* FACS offset in */
 111     unsigned *dsdt_tbl_offset;
 112     unsigned *xdsdt_tbl_offset;
 113 } AcpiFadtData;
 114
 115 #define ACPI_FADT_ARM_PSCI_COMPLIANT  (1 << 0)
 116 #define ACPI_FADT_ARM_PSCI_USE_HVC    (1 << 1)
 117
 118 /*
 119  * Serial Port Console Redirection Table (SPCR), Rev. 1.02
 120  *
 121  * For .interface_type see Debug Port Table 2 (DBG2) serial port
 122  * subtypes in Table 3, Rev. May 22, 2012
 123  */
 124 struct AcpiSerialPortConsoleRedirection {
 125     ACPI_TABLE_HEADER_DEF
 126     uint8_t  interface_type;
 127     uint8_t  reserved1[3];
 128     struct AcpiGenericAddress base_address;
 129     uint8_t  interrupt_types;
 130     uint8_t  irq;
 131     uint32_t gsi;
 132     uint8_t  baud;
 133     uint8_t  parity;
 134     uint8_t  stopbits;
 135     uint8_t  flowctrl;
 136     uint8_t  term_type;
 137     uint8_t  reserved2;
 138     uint16_t pci_device_id;
 139     uint16_t pci_vendor_id;
 140     uint8_t  pci_bus;
 141     uint8_t  pci_slot;
 142     uint8_t  pci_func;
 143     uint32_t pci_flags;
 144     uint8_t  pci_seg;
 145     uint32_t reserved3;
 146 } QEMU_PACKED;
 147 typedef struct AcpiSerialPortConsoleRedirection
 148                AcpiSerialPortConsoleRedirection;
 149
 150 /*
 151  * ACPI 1.0 Root System Description Table (RSDT)
 152  */
 153 struct AcpiRsdtDescriptorRev1 {
 154     ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
 155     uint32_t table_offset_entry[0];  /* Array of pointers to other */
 156     /* ACPI tables */
 157 } QEMU_PACKED;
 158 typedef struct AcpiRsdtDescriptorRev1 AcpiRsdtDescriptorRev1;
 159
 160 /*
 161  * ACPI 2.0 eXtended System Description Table (XSDT)
 162  */
 163 struct AcpiXsdtDescriptorRev2 {
 164     ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
 165     uint64_t table_offset_entry[0];  /* Array of pointers to other */
 166     /* ACPI tables */
 167 } QEMU_PACKED;
 168 typedef struct AcpiXsdtDescriptorRev2 AcpiXsdtDescriptorRev2;
 169
 170 /*
 171  * ACPI 1.0 Firmware ACPI Control Structure (FACS)
 172  */
 173 struct AcpiFacsDescriptorRev1 {
 174     uint32_t signature;           /* ACPI Signature */
 175     uint32_t length;                 /* Length of structure, in bytes */
 176     uint32_t hardware_signature;     /* Hardware configuration signature */
 177     uint32_t firmware_waking_vector; /* ACPI OS waking vector */
 178     uint32_t global_lock;            /* Global Lock */
 179     uint32_t flags;
 180     uint8_t  resverved3 [40];        /* Reserved - must be zero */
 181 } QEMU_PACKED;
 182 typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1;
 183
 184 /*
 185  * Differentiated System Description Table (DSDT)
 186  */
 187
 188 /*
 189  * MADT values and structures
 190  */
 191
 192 /* Values for MADT PCATCompat */
 193
 194 #define ACPI_DUAL_PIC                0
 195 #define ACPI_MULTIPLE_APIC           1
 196
 197 /* Master MADT */
 198
 199 struct AcpiMultipleApicTable {
 200     ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
 201     uint32_t local_apic_address;     /* Physical address of local APIC */
 202     uint32_t flags;
 203 } QEMU_PACKED;
 204 typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
 205
 206 /* Values for Type in APIC sub-headers */
 207
 208 #define ACPI_APIC_PROCESSOR          0
 209 #define ACPI_APIC_IO                 1
 210 #define ACPI_APIC_XRUPT_OVERRIDE     2
 211 #define ACPI_APIC_NMI                3
 212 #define ACPI_APIC_LOCAL_NMI          4
 213 #define ACPI_APIC_ADDRESS_OVERRIDE   5
 214 #define ACPI_APIC_IO_SAPIC           6
 215 #define ACPI_APIC_LOCAL_SAPIC        7
 216 #define ACPI_APIC_XRUPT_SOURCE       8
 217 #define ACPI_APIC_LOCAL_X2APIC       9
 218 #define ACPI_APIC_LOCAL_X2APIC_NMI      10
 219 #define ACPI_APIC_GENERIC_CPU_INTERFACE 11
 220 #define ACPI_APIC_GENERIC_DISTRIBUTOR   12
 221 #define ACPI_APIC_GENERIC_MSI_FRAME     13
 222 #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
 223 #define ACPI_APIC_GENERIC_TRANSLATOR    15
 224 #define ACPI_APIC_RESERVED              16   /* 16 and greater are reserved */
 225
 226 /*
 227  * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
 228  */
 229 #define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
 230     uint8_t  type;                               \
 231     uint8_t  length;
 232
 233 /* Sub-structures for MADT */
 234
 235 struct AcpiMadtProcessorApic {
 236     ACPI_SUB_HEADER_DEF
 237     uint8_t  processor_id;           /* ACPI processor id */
 238     uint8_t  local_apic_id;          /* Processor's local APIC id */
 239     uint32_t flags;
 240 } QEMU_PACKED;
 241 typedef struct AcpiMadtProcessorApic AcpiMadtProcessorApic;
 242
 243 struct AcpiMadtIoApic {
 244     ACPI_SUB_HEADER_DEF
 245     uint8_t  io_apic_id;             /* I/O APIC ID */
 246     uint8_t  reserved;               /* Reserved - must be zero */
 247     uint32_t address;                /* APIC physical address */
 248     uint32_t interrupt;              /* Global system interrupt where INTI
 249                                  * lines start */
 250 } QEMU_PACKED;
 251 typedef struct AcpiMadtIoApic AcpiMadtIoApic;
 252
 253 struct AcpiMadtIntsrcovr {
 254     ACPI_SUB_HEADER_DEF
 255     uint8_t  bus;
 256     uint8_t  source;
 257     uint32_t gsi;
 258     uint16_t flags;
 259 } QEMU_PACKED;
 260 typedef struct AcpiMadtIntsrcovr AcpiMadtIntsrcovr;
 261
 262 struct AcpiMadtLocalNmi {
 263     ACPI_SUB_HEADER_DEF
 264     uint8_t  processor_id;           /* ACPI processor id */
 265     uint16_t flags;                  /* MPS INTI flags */
 266     uint8_t  lint;                   /* Local APIC LINT# */
 267 } QEMU_PACKED;
 268 typedef struct AcpiMadtLocalNmi AcpiMadtLocalNmi;
 269
 270 struct AcpiMadtProcessorX2Apic {
 271     ACPI_SUB_HEADER_DEF
 272     uint16_t reserved;
 273     uint32_t x2apic_id;              /* Processor's local x2APIC ID */
 274     uint32_t flags;
 275     uint32_t uid;                    /* Processor object _UID */
 276 } QEMU_PACKED;
 277 typedef struct AcpiMadtProcessorX2Apic AcpiMadtProcessorX2Apic;
 278
 279 struct AcpiMadtLocalX2ApicNmi {
 280     ACPI_SUB_HEADER_DEF
 281     uint16_t flags;                  /* MPS INTI flags */
 282     uint32_t uid;                    /* Processor object _UID */
 283     uint8_t  lint;                   /* Local APIC LINT# */
 284     uint8_t  reserved[3];            /* Local APIC LINT# */
 285 } QEMU_PACKED;
 286 typedef struct AcpiMadtLocalX2ApicNmi AcpiMadtLocalX2ApicNmi;
 287
 288 struct AcpiMadtGenericCpuInterface {
 289     ACPI_SUB_HEADER_DEF
 290     uint16_t reserved;
 291     uint32_t cpu_interface_number;
 292     uint32_t uid;
 293     uint32_t flags;
 294     uint32_t parking_version;
 295     uint32_t performance_interrupt;
 296     uint64_t parked_address;
 297     uint64_t base_address;
 298     uint64_t gicv_base_address;
 299     uint64_t gich_base_address;
 300     uint32_t vgic_interrupt;
 301     uint64_t gicr_base_address;
 302     uint64_t arm_mpidr;
 303 } QEMU_PACKED;
 304
 305 typedef struct AcpiMadtGenericCpuInterface AcpiMadtGenericCpuInterface;
 306
 307 /* GICC CPU Interface Flags */
 308 #define ACPI_MADT_GICC_ENABLED 1
 309
 310 struct AcpiMadtGenericDistributor {
 311     ACPI_SUB_HEADER_DEF
 312     uint16_t reserved;
 313     uint32_t gic_id;
 314     uint64_t base_address;
 315     uint32_t global_irq_base;
 316     /* ACPI 5.1 Errata 1228 Present GIC version in MADT table */
 317     uint8_t version;
 318     uint8_t reserved2[3];
 319 } QEMU_PACKED;
 320
 321 typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;
 322
 323 struct AcpiMadtGenericMsiFrame {
 324     ACPI_SUB_HEADER_DEF
 325     uint16_t reserved;
 326     uint32_t gic_msi_frame_id;
 327     uint64_t base_address;
 328     uint32_t flags;
 329     uint16_t spi_count;
 330     uint16_t spi_base;
 331 } QEMU_PACKED;
 332
 333 typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame;
 334
 335 struct AcpiMadtGenericRedistributor {
 336     ACPI_SUB_HEADER_DEF
 337     uint16_t reserved;
 338     uint64_t base_address;
 339     uint32_t range_length;
 340 } QEMU_PACKED;
 341
 342 typedef struct AcpiMadtGenericRedistributor AcpiMadtGenericRedistributor;
 343
 344 struct AcpiMadtGenericTranslator {
 345     ACPI_SUB_HEADER_DEF
 346     uint16_t reserved;
 347     uint32_t translation_id;
 348     uint64_t base_address;
 349     uint32_t reserved2;
 350 } QEMU_PACKED;
 351
 352 typedef struct AcpiMadtGenericTranslator AcpiMadtGenericTranslator;
 353
 354 /*
 355  * Generic Timer Description Table (GTDT)
 356  */
 357 #define ACPI_GTDT_INTERRUPT_MODE_LEVEL    (0 << 0)
 358 #define ACPI_GTDT_INTERRUPT_MODE_EDGE     (1 << 0)
 359 #define ACPI_GTDT_CAP_ALWAYS_ON           (1 << 2)
 360
 361 struct AcpiGenericTimerTable {
 362     ACPI_TABLE_HEADER_DEF
 363     uint64_t counter_block_addresss;
 364     uint32_t reserved;
 365     uint32_t secure_el1_interrupt;
 366     uint32_t secure_el1_flags;
 367     uint32_t non_secure_el1_interrupt;
 368     uint32_t non_secure_el1_flags;
 369     uint32_t virtual_timer_interrupt;
 370     uint32_t virtual_timer_flags;
 371     uint32_t non_secure_el2_interrupt;
 372     uint32_t non_secure_el2_flags;
 373     uint64_t counter_read_block_address;
 374     uint32_t platform_timer_count;
 375     uint32_t platform_timer_offset;
 376 } QEMU_PACKED;
 377 typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;
 378
 379 /*
 380  * HPET Description Table
 381  */
 382 struct Acpi20Hpet {
 383     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 384     uint32_t           timer_block_id;
 385     struct AcpiGenericAddress addr;
 386     uint8_t            hpet_number;
 387     uint16_t           min_tick;
 388     uint8_t            page_protect;
 389 } QEMU_PACKED;
 390 typedef struct Acpi20Hpet Acpi20Hpet;
 391
 392 /*
 393  * SRAT (NUMA topology description) table
 394  */
 395
 396 struct AcpiSystemResourceAffinityTable {
 397     ACPI_TABLE_HEADER_DEF
 398     uint32_t    reserved1;
 399     uint32_t    reserved2[2];
 400 } QEMU_PACKED;
 401 typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;
 402
 403 #define ACPI_SRAT_PROCESSOR_APIC     0
 404 #define ACPI_SRAT_MEMORY             1
 405 #define ACPI_SRAT_PROCESSOR_x2APIC   2
 406 #define ACPI_SRAT_PROCESSOR_GICC     3
 407
 408 struct AcpiSratProcessorAffinity {
 409     ACPI_SUB_HEADER_DEF
 410     uint8_t     proximity_lo;
 411     uint8_t     local_apic_id;
 412     uint32_t    flags;
 413     uint8_t     local_sapic_eid;
 414     uint8_t     proximity_hi[3];
 415     uint32_t    reserved;
 416 } QEMU_PACKED;
 417 typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity;
 418
 419 struct AcpiSratProcessorX2ApicAffinity {
 420     ACPI_SUB_HEADER_DEF
 421     uint16_t    reserved;
 422     uint32_t    proximity_domain;
 423     uint32_t    x2apic_id;
 424     uint32_t    flags;
 425     uint32_t    clk_domain;
 426     uint32_t    reserved2;
 427 } QEMU_PACKED;
 428 typedef struct AcpiSratProcessorX2ApicAffinity AcpiSratProcessorX2ApicAffinity;
 429
 430 struct AcpiSratMemoryAffinity {
 431     ACPI_SUB_HEADER_DEF
 432     uint32_t    proximity;
 433     uint16_t    reserved1;
 434     uint64_t    base_addr;
 435     uint64_t    range_length;
 436     uint32_t    reserved2;
 437     uint32_t    flags;
 438     uint32_t    reserved3[2];
 439 } QEMU_PACKED;
 440 typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity;
 441
 442 struct AcpiSratProcessorGiccAffinity {
 443     ACPI_SUB_HEADER_DEF
 444     uint32_t    proximity;
 445     uint32_t    acpi_processor_uid;
 446     uint32_t    flags;
 447     uint32_t    clock_domain;
 448 } QEMU_PACKED;
 449
 450 typedef struct AcpiSratProcessorGiccAffinity AcpiSratProcessorGiccAffinity;
 451
 452 /* PCI fw r3.0 MCFG table. */
 453 /* Subtable */
 454 struct AcpiMcfgAllocation {
 455     uint64_t address;                /* Base address, processor-relative */
 456     uint16_t pci_segment;            /* PCI segment group number */
 457     uint8_t start_bus_number;       /* Starting PCI Bus number */
 458     uint8_t end_bus_number;         /* Final PCI Bus number */
 459     uint32_t reserved;
 460 } QEMU_PACKED;
 461 typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;
 462
 463 struct AcpiTableMcfg {
 464     ACPI_TABLE_HEADER_DEF;
 465     uint8_t reserved[8];
 466     AcpiMcfgAllocation allocation[0];
 467 } QEMU_PACKED;
 468 typedef struct AcpiTableMcfg AcpiTableMcfg;
 469
 470 /*
 471  * TCPA Description Table
 472  *
 473  * Following Level 00, Rev 00.37 of specs:
 474  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 475  */
 476 struct Acpi20Tcpa {
 477     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 478     uint16_t platform_class;
 479     uint32_t log_area_minimum_length;
 480     uint64_t log_area_start_address;
 481 } QEMU_PACKED;
 482 typedef struct Acpi20Tcpa Acpi20Tcpa;
 483
 484 /*
 485  * TPM2
 486  *
 487  * Following Version 1.2, Revision 8 of specs:
 488  * https://trustedcomputinggroup.org/tcg-acpi-specification/
 489  */
 490 struct Acpi20TPM2 {
 491     ACPI_TABLE_HEADER_DEF
 492     uint16_t platform_class;
 493     uint16_t reserved;
 494     uint64_t control_area_address;
 495     uint32_t start_method;
 496     uint8_t start_method_params[12];
 497     uint32_t log_area_minimum_length;
 498     uint64_t log_area_start_address;
 499 } QEMU_PACKED;
 500 typedef struct Acpi20TPM2 Acpi20TPM2;
 501
 502 /* DMAR - DMA Remapping table r2.2 */
 503 struct AcpiTableDmar {
 504     ACPI_TABLE_HEADER_DEF
 505     uint8_t host_address_width; /* Maximum DMA physical addressability */
 506     uint8_t flags;
 507     uint8_t reserved[10];
 508 } QEMU_PACKED;
 509 typedef struct AcpiTableDmar AcpiTableDmar;
 510
 511 /* Masks for Flags field above */
 512 #define ACPI_DMAR_INTR_REMAP        1
 513 #define ACPI_DMAR_X2APIC_OPT_OUT    (1 << 1)
 514
 515 /* Values for sub-structure type for DMAR */
 516 enum {
 517     ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,       /* DRHD */
 518     ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,     /* RMRR */
 519     ACPI_DMAR_TYPE_ATSR = 2,                /* ATSR */
 520     ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,   /* RHSR */
 521     ACPI_DMAR_TYPE_ANDD = 4,                /* ANDD */
 522     ACPI_DMAR_TYPE_RESERVED = 5             /* Reserved for furture use */
 523 };
 524
 525 /*
 526  * Sub-structures for DMAR
 527  */
 528
 529 /* Device scope structure for DRHD. */
 530 struct AcpiDmarDeviceScope {
 531     uint8_t entry_type;
 532     uint8_t length;
 533     uint16_t reserved;
 534     uint8_t enumeration_id;
 535     uint8_t bus;
 536     struct {
 537         uint8_t device;
 538         uint8_t function;
 539     } path[0];
 540 } QEMU_PACKED;
 541 typedef struct AcpiDmarDeviceScope AcpiDmarDeviceScope;
 542
 543 /* Type 0: Hardware Unit Definition */
 544 struct AcpiDmarHardwareUnit {
 545     uint16_t type;
 546     uint16_t length;
 547     uint8_t flags;
 548     uint8_t reserved;
 549     uint16_t pci_segment;   /* The PCI Segment associated with this unit */
 550     uint64_t address;   /* Base address of remapping hardware register-set */
 551     AcpiDmarDeviceScope scope[0];
 552 } QEMU_PACKED;
 553 typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit;
 554
 555 /* Type 2: Root Port ATS Capability Reporting Structure */
 556 struct AcpiDmarRootPortATS {
 557     uint16_t type;
 558     uint16_t length;
 559     uint8_t flags;
 560     uint8_t reserved;
 561     uint16_t pci_segment;
 562     AcpiDmarDeviceScope scope[0];
 563 } QEMU_PACKED;
 564 typedef struct AcpiDmarRootPortATS AcpiDmarRootPortATS;
 565
 566 /* Masks for Flags field above */
 567 #define ACPI_DMAR_INCLUDE_PCI_ALL   1
 568 #define ACPI_DMAR_ATSR_ALL_PORTS    1
 569
 570 /*
 571  * Input Output Remapping Table (IORT)
 572  * Conforms to "IO Remapping Table System Software on ARM Platforms",
 573  * Document number: ARM DEN 0049B, October 2015
 574  */
 575
 576 struct AcpiIortTable {
 577     ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
 578     uint32_t node_count;
 579     uint32_t node_offset;
 580     uint32_t reserved;
 581 } QEMU_PACKED;
 582 typedef struct AcpiIortTable AcpiIortTable;
 583
 584 /*
 585  * IORT node types
 586  */
 587
 588 #define ACPI_IORT_NODE_HEADER_DEF   /* Node format common fields */ \
 589     uint8_t  type;          \
 590     uint16_t length;        \
 591     uint8_t  revision;      \
 592     uint32_t reserved;      \
 593     uint32_t mapping_count; \
 594     uint32_t mapping_offset;
 595
 596 /* Values for node Type above */
 597 enum {
 598         ACPI_IORT_NODE_ITS_GROUP = 0x00,
 599         ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
 600         ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
 601         ACPI_IORT_NODE_SMMU = 0x03,
 602         ACPI_IORT_NODE_SMMU_V3 = 0x04
 603 };
 604
 605 struct AcpiIortIdMapping {
 606     uint32_t input_base;
 607     uint32_t id_count;
 608     uint32_t output_base;
 609     uint32_t output_reference;
 610     uint32_t flags;
 611 } QEMU_PACKED;
 612 typedef struct AcpiIortIdMapping AcpiIortIdMapping;
 613
 614 struct AcpiIortMemoryAccess {
 615     uint32_t cache_coherency;
 616     uint8_t  hints;
 617     uint16_t reserved;
 618     uint8_t  memory_flags;
 619 } QEMU_PACKED;
 620 typedef struct AcpiIortMemoryAccess AcpiIortMemoryAccess;
 621
 622 struct AcpiIortItsGroup {
 623     ACPI_IORT_NODE_HEADER_DEF
 624     uint32_t its_count;
 625     uint32_t identifiers[0];
 626 } QEMU_PACKED;
 627 typedef struct AcpiIortItsGroup AcpiIortItsGroup;
 628
 629 #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE 1
 630
 631 struct 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;
 644 typedef struct AcpiIortSmmu3 AcpiIortSmmu3;
 645
 646 struct 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;
 653 typedef struct AcpiIortRC AcpiIortRC;
 654
 655 #endif