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 /*
  44  * ACPI 2.0 Generic Address Space definition.
  45  */
  46 struct Acpi20GenericAddress {
  47     uint8_t  address_space_id;
  48     uint8_t  register_bit_width;
  49     uint8_t  register_bit_offset;
  50     uint8_t  reserved;
  51     uint64_t address;
  52 } QEMU_PACKED;
  53 typedef struct Acpi20GenericAddress Acpi20GenericAddress;
  54
  55 struct AcpiRsdpDescriptor {        /* Root System Descriptor Pointer */
  56     uint64_t signature;              /* ACPI signature, contains "RSD PTR " */
  57     uint8_t  checksum;               /* To make sum of struct == 0 */
  58     uint8_t  oem_id [6];             /* OEM identification */
  59     uint8_t  revision;               /* Must be 0 for 1.0, 2 for 2.0 */
  60     uint32_t rsdt_physical_address;  /* 32-bit physical address of RSDT */
  61     uint32_t length;                 /* XSDT Length in bytes including hdr */
  62     uint64_t xsdt_physical_address;  /* 64-bit physical address of XSDT */
  63     uint8_t  extended_checksum;      /* Checksum of entire table */
  64     uint8_t  reserved [3];           /* Reserved field must be 0 */
  65 } QEMU_PACKED;
  66 typedef struct AcpiRsdpDescriptor AcpiRsdpDescriptor;
  67
  68 /* Table structure from Linux kernel (the ACPI tables are under the
  69    BSD license) */
  70
  71
  72 #define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
  73     uint32_t signature;          /* ACPI signature (4 ASCII characters) */ \
  74     uint32_t length;                 /* Length of table, in bytes, including header */ \
  75     uint8_t  revision;               /* ACPI Specification minor version # */ \
  76     uint8_t  checksum;               /* To make sum of entire table == 0 */ \
  77     uint8_t  oem_id [6];             /* OEM identification */ \
  78     uint8_t  oem_table_id [8];       /* OEM table identification */ \
  79     uint32_t oem_revision;           /* OEM revision number */ \
  80     uint8_t  asl_compiler_id [4];    /* ASL compiler vendor ID */ \
  81     uint32_t asl_compiler_revision;  /* ASL compiler revision number */
  82
  83
  84 struct AcpiTableHeader         /* ACPI common table header */
  85 {
  86     ACPI_TABLE_HEADER_DEF
  87 } QEMU_PACKED;
  88 typedef struct AcpiTableHeader AcpiTableHeader;
  89
  90 /*
  91  * ACPI Fixed ACPI Description Table (FADT)
  92  */
  93 #define ACPI_FADT_COMMON_DEF /* FADT common definition */ \
  94     ACPI_TABLE_HEADER_DEF    /* ACPI common table header */ \
  95     uint32_t firmware_ctrl;  /* Physical address of FACS */ \
  96     uint32_t dsdt;         /* Physical address of DSDT */ \
  97     uint8_t  model;        /* System Interrupt Model */ \
  98     uint8_t  reserved1;    /* Reserved */ \
  99     uint16_t sci_int;      /* System vector of SCI interrupt */ \
 100     uint32_t smi_cmd;      /* Port address of SMI command port */ \
 101     uint8_t  acpi_enable;  /* Value to write to smi_cmd to enable ACPI */ \
 102     uint8_t  acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \
 103     /* Value to write to SMI CMD to enter S4BIOS state */ \
 104     uint8_t  S4bios_req; \
 105     uint8_t  reserved2;    /* Reserved - must be zero */ \
 106     /* Port address of Power Mgt 1a acpi_event Reg Blk */ \
 107     uint32_t pm1a_evt_blk; \
 108     /* Port address of Power Mgt 1b acpi_event Reg Blk */ \
 109     uint32_t pm1b_evt_blk; \
 110     uint32_t pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \
 111     uint32_t pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \
 112     uint32_t pm2_cnt_blk;  /* Port address of Power Mgt 2 Control Reg Blk */ \
 113     uint32_t pm_tmr_blk;   /* Port address of Power Mgt Timer Ctrl Reg Blk */ \
 114     /* Port addr of General Purpose acpi_event 0 Reg Blk */ \
 115     uint32_t gpe0_blk; \
 116     /* Port addr of General Purpose acpi_event 1 Reg Blk */ \
 117     uint32_t gpe1_blk; \
 118     uint8_t  pm1_evt_len;  /* Byte length of ports at pm1_x_evt_blk */ \
 119     uint8_t  pm1_cnt_len;  /* Byte length of ports at pm1_x_cnt_blk */ \
 120     uint8_t  pm2_cnt_len;  /* Byte Length of ports at pm2_cnt_blk */ \
 121     uint8_t  pm_tmr_len;   /* Byte Length of ports at pm_tm_blk */ \
 122     uint8_t  gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \
 123     uint8_t  gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \
 124     uint8_t  gpe1_base;    /* Offset in gpe model where gpe1 events start */ \
 125     uint8_t  reserved3;    /* Reserved */ \
 126     uint16_t plvl2_lat;    /* Worst case HW latency to enter/exit C2 state */ \
 127     uint16_t plvl3_lat;    /* Worst case HW latency to enter/exit C3 state */ \
 128     uint16_t flush_size;   /* Size of area read to flush caches */ \
 129     uint16_t flush_stride; /* Stride used in flushing caches */ \
 130     uint8_t  duty_offset;  /* Bit location of duty cycle field in p_cnt reg */ \
 131     uint8_t  duty_width;   /* Bit width of duty cycle field in p_cnt reg */ \
 132     uint8_t  day_alrm;     /* Index to day-of-month alarm in RTC CMOS RAM */ \
 133     uint8_t  mon_alrm;     /* Index to month-of-year alarm in RTC CMOS RAM */ \
 134     uint8_t  century;      /* Index to century in RTC CMOS RAM */
 135
 136 struct AcpiFadtDescriptorRev1
 137 {
 138     ACPI_FADT_COMMON_DEF
 139     uint8_t  reserved4;              /* Reserved */
 140     uint8_t  reserved4a;             /* Reserved */
 141     uint8_t  reserved4b;             /* Reserved */
 142     uint32_t flags;
 143 } QEMU_PACKED;
 144 typedef struct AcpiFadtDescriptorRev1 AcpiFadtDescriptorRev1;
 145
 146 struct AcpiGenericAddress {
 147     uint8_t space_id;        /* Address space where struct or register exists */
 148     uint8_t bit_width;       /* Size in bits of given register */
 149     uint8_t bit_offset;      /* Bit offset within the register */
 150     uint8_t access_width;    /* Minimum Access size (ACPI 3.0) */
 151     uint64_t address;        /* 64-bit address of struct or register */
 152 } QEMU_PACKED;
 153
 154 struct AcpiFadtDescriptorRev5_1 {
 155     ACPI_FADT_COMMON_DEF
 156     /* IA-PC Boot Architecture Flags (see below for individual flags) */
 157     uint16_t boot_flags;
 158     uint8_t reserved;    /* Reserved, must be zero */
 159     /* Miscellaneous flag bits (see below for individual flags) */
 160     uint32_t flags;
 161     /* 64-bit address of the Reset register */
 162     struct AcpiGenericAddress reset_register;
 163     /* Value to write to the reset_register port to reset the system */
 164     uint8_t reset_value;
 165     /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
 166     uint16_t arm_boot_flags;
 167     uint8_t minor_revision;  /* FADT Minor Revision (ACPI 5.1) */
 168     uint64_t Xfacs;          /* 64-bit physical address of FACS */
 169     uint64_t Xdsdt;          /* 64-bit physical address of DSDT */
 170     /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
 171     struct AcpiGenericAddress xpm1a_event_block;
 172     /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
 173     struct AcpiGenericAddress xpm1b_event_block;
 174     /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
 175     struct AcpiGenericAddress xpm1a_control_block;
 176     /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
 177     struct AcpiGenericAddress xpm1b_control_block;
 178     /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
 179     struct AcpiGenericAddress xpm2_control_block;
 180     /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
 181     struct AcpiGenericAddress xpm_timer_block;
 182     /* 64-bit Extended General Purpose Event 0 Reg Blk address */
 183     struct AcpiGenericAddress xgpe0_block;
 184     /* 64-bit Extended General Purpose Event 1 Reg Blk address */
 185     struct AcpiGenericAddress xgpe1_block;
 186     /* 64-bit Sleep Control register (ACPI 5.0) */
 187     struct AcpiGenericAddress sleep_control;
 188     /* 64-bit Sleep Status register (ACPI 5.0) */
 189     struct AcpiGenericAddress sleep_status;
 190 } QEMU_PACKED;
 191
 192 typedef struct AcpiFadtDescriptorRev5_1 AcpiFadtDescriptorRev5_1;
 193
 194 enum {
 195     ACPI_FADT_ARM_USE_PSCI_G_0_2 = 0,
 196     ACPI_FADT_ARM_PSCI_USE_HVC = 1,
 197 };
 198
 199 /*
 200  * ACPI 1.0 Root System Description Table (RSDT)
 201  */
 202 struct AcpiRsdtDescriptorRev1
 203 {
 204     ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
 205     uint32_t table_offset_entry[0];  /* Array of pointers to other */
 206     /* ACPI tables */
 207 } QEMU_PACKED;
 208 typedef struct AcpiRsdtDescriptorRev1 AcpiRsdtDescriptorRev1;
 209
 210 /*
 211  * ACPI 1.0 Firmware ACPI Control Structure (FACS)
 212  */
 213 struct AcpiFacsDescriptorRev1
 214 {
 215     uint32_t signature;           /* ACPI Signature */
 216     uint32_t length;                 /* Length of structure, in bytes */
 217     uint32_t hardware_signature;     /* Hardware configuration signature */
 218     uint32_t firmware_waking_vector; /* ACPI OS waking vector */
 219     uint32_t global_lock;            /* Global Lock */
 220     uint32_t flags;
 221     uint8_t  resverved3 [40];        /* Reserved - must be zero */
 222 } QEMU_PACKED;
 223 typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1;
 224
 225 /*
 226  * Differentiated System Description Table (DSDT)
 227  */
 228
 229 /*
 230  * MADT values and structures
 231  */
 232
 233 /* Values for MADT PCATCompat */
 234
 235 #define ACPI_DUAL_PIC                0
 236 #define ACPI_MULTIPLE_APIC           1
 237
 238 /* Master MADT */
 239
 240 struct AcpiMultipleApicTable
 241 {
 242     ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
 243     uint32_t local_apic_address;     /* Physical address of local APIC */
 244     uint32_t flags;
 245 } QEMU_PACKED;
 246 typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
 247
 248 /* Values for Type in APIC sub-headers */
 249
 250 #define ACPI_APIC_PROCESSOR          0
 251 #define ACPI_APIC_IO                 1
 252 #define ACPI_APIC_XRUPT_OVERRIDE     2
 253 #define ACPI_APIC_NMI                3
 254 #define ACPI_APIC_LOCAL_NMI          4
 255 #define ACPI_APIC_ADDRESS_OVERRIDE   5
 256 #define ACPI_APIC_IO_SAPIC           6
 257 #define ACPI_APIC_LOCAL_SAPIC        7
 258 #define ACPI_APIC_XRUPT_SOURCE       8
 259 #define ACPI_APIC_LOCAL_X2APIC       9
 260 #define ACPI_APIC_LOCAL_X2APIC_NMI      10
 261 #define ACPI_APIC_GENERIC_INTERRUPT     11
 262 #define ACPI_APIC_GENERIC_DISTRIBUTOR   12
 263 #define ACPI_APIC_GENERIC_MSI_FRAME     13
 264 #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
 265 #define ACPI_APIC_RESERVED              15   /* 15 and greater are reserved */
 266
 267 /*
 268  * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
 269  */
 270 #define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
 271     uint8_t  type;                               \
 272     uint8_t  length;
 273
 274 /* Sub-structures for MADT */
 275
 276 struct AcpiMadtProcessorApic
 277 {
 278     ACPI_SUB_HEADER_DEF
 279     uint8_t  processor_id;           /* ACPI processor id */
 280     uint8_t  local_apic_id;          /* Processor's local APIC id */
 281     uint32_t flags;
 282 } QEMU_PACKED;
 283 typedef struct AcpiMadtProcessorApic AcpiMadtProcessorApic;
 284
 285 struct AcpiMadtIoApic
 286 {
 287     ACPI_SUB_HEADER_DEF
 288     uint8_t  io_apic_id;             /* I/O APIC ID */
 289     uint8_t  reserved;               /* Reserved - must be zero */
 290     uint32_t address;                /* APIC physical address */
 291     uint32_t interrupt;              /* Global system interrupt where INTI
 292                                  * lines start */
 293 } QEMU_PACKED;
 294 typedef struct AcpiMadtIoApic AcpiMadtIoApic;
 295
 296 struct AcpiMadtIntsrcovr {
 297     ACPI_SUB_HEADER_DEF
 298     uint8_t  bus;
 299     uint8_t  source;
 300     uint32_t gsi;
 301     uint16_t flags;
 302 } QEMU_PACKED;
 303 typedef struct AcpiMadtIntsrcovr AcpiMadtIntsrcovr;
 304
 305 struct AcpiMadtLocalNmi {
 306     ACPI_SUB_HEADER_DEF
 307     uint8_t  processor_id;           /* ACPI processor id */
 308     uint16_t flags;                  /* MPS INTI flags */
 309     uint8_t  lint;                   /* Local APIC LINT# */
 310 } QEMU_PACKED;
 311 typedef struct AcpiMadtLocalNmi AcpiMadtLocalNmi;
 312
 313 struct AcpiMadtGenericInterrupt {
 314     ACPI_SUB_HEADER_DEF
 315     uint16_t reserved;
 316     uint32_t cpu_interface_number;
 317     uint32_t uid;
 318     uint32_t flags;
 319     uint32_t parking_version;
 320     uint32_t performance_interrupt;
 321     uint64_t parked_address;
 322     uint64_t base_address;
 323     uint64_t gicv_base_address;
 324     uint64_t gich_base_address;
 325     uint32_t vgic_interrupt;
 326     uint64_t gicr_base_address;
 327     uint64_t arm_mpidr;
 328 } QEMU_PACKED;
 329
 330 typedef struct AcpiMadtGenericInterrupt AcpiMadtGenericInterrupt;
 331
 332 struct AcpiMadtGenericDistributor {
 333     ACPI_SUB_HEADER_DEF
 334     uint16_t reserved;
 335     uint32_t gic_id;
 336     uint64_t base_address;
 337     uint32_t global_irq_base;
 338     uint32_t reserved2;
 339 } QEMU_PACKED;
 340
 341 typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;
 342
 343 /*
 344  * Generic Timer Description Table (GTDT)
 345  */
 346
 347 #define ACPI_GTDT_INTERRUPT_MODE        (1 << 0)
 348 #define ACPI_GTDT_INTERRUPT_POLARITY    (1 << 1)
 349 #define ACPI_GTDT_ALWAYS_ON             (1 << 2)
 350
 351 /* Triggering */
 352
 353 #define ACPI_LEVEL_SENSITIVE            ((uint8_t) 0x00)
 354 #define ACPI_EDGE_SENSITIVE             ((uint8_t) 0x01)
 355
 356 /* Polarity */
 357
 358 #define ACPI_ACTIVE_HIGH                ((uint8_t) 0x00)
 359 #define ACPI_ACTIVE_LOW                 ((uint8_t) 0x01)
 360 #define ACPI_ACTIVE_BOTH                ((uint8_t) 0x02)
 361
 362 struct AcpiGenericTimerTable {
 363     ACPI_TABLE_HEADER_DEF
 364     uint64_t counter_block_addresss;
 365     uint32_t reserved;
 366     uint32_t secure_el1_interrupt;
 367     uint32_t secure_el1_flags;
 368     uint32_t non_secure_el1_interrupt;
 369     uint32_t non_secure_el1_flags;
 370     uint32_t virtual_timer_interrupt;
 371     uint32_t virtual_timer_flags;
 372     uint32_t non_secure_el2_interrupt;
 373     uint32_t non_secure_el2_flags;
 374     uint64_t counter_read_block_address;
 375     uint32_t platform_timer_count;
 376     uint32_t platform_timer_offset;
 377 } QEMU_PACKED;
 378 typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;
 379
 380 /*
 381  * HPET Description Table
 382  */
 383 struct Acpi20Hpet {
 384     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 385     uint32_t           timer_block_id;
 386     Acpi20GenericAddress addr;
 387     uint8_t            hpet_number;
 388     uint16_t           min_tick;
 389     uint8_t            page_protect;
 390 } QEMU_PACKED;
 391 typedef struct Acpi20Hpet Acpi20Hpet;
 392
 393 /*
 394  * SRAT (NUMA topology description) table
 395  */
 396
 397 struct AcpiSystemResourceAffinityTable
 398 {
 399     ACPI_TABLE_HEADER_DEF
 400     uint32_t    reserved1;
 401     uint32_t    reserved2[2];
 402 } QEMU_PACKED;
 403 typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;
 404
 405 #define ACPI_SRAT_PROCESSOR          0
 406 #define ACPI_SRAT_MEMORY             1
 407
 408 struct AcpiSratProcessorAffinity
 409 {
 410     ACPI_SUB_HEADER_DEF
 411     uint8_t     proximity_lo;
 412     uint8_t     local_apic_id;
 413     uint32_t    flags;
 414     uint8_t     local_sapic_eid;
 415     uint8_t     proximity_hi[3];
 416     uint32_t    reserved;
 417 } QEMU_PACKED;
 418 typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity;
 419
 420 struct AcpiSratMemoryAffinity
 421 {
 422     ACPI_SUB_HEADER_DEF
 423     uint8_t     proximity[4];
 424     uint16_t    reserved1;
 425     uint64_t    base_addr;
 426     uint64_t    range_length;
 427     uint32_t    reserved2;
 428     uint32_t    flags;
 429     uint32_t    reserved3[2];
 430 } QEMU_PACKED;
 431 typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity;
 432
 433 /* PCI fw r3.0 MCFG table. */
 434 /* Subtable */
 435 struct AcpiMcfgAllocation {
 436     uint64_t address;                /* Base address, processor-relative */
 437     uint16_t pci_segment;            /* PCI segment group number */
 438     uint8_t start_bus_number;       /* Starting PCI Bus number */
 439     uint8_t end_bus_number;         /* Final PCI Bus number */
 440     uint32_t reserved;
 441 } QEMU_PACKED;
 442 typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;
 443
 444 struct AcpiTableMcfg {
 445     ACPI_TABLE_HEADER_DEF;
 446     uint8_t reserved[8];
 447     AcpiMcfgAllocation allocation[0];
 448 } QEMU_PACKED;
 449 typedef struct AcpiTableMcfg AcpiTableMcfg;
 450
 451 /*
 452  * TCPA Description Table
 453  *
 454  * Following Level 00, Rev 00.37 of specs:
 455  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 456  */
 457 struct Acpi20Tcpa {
 458     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 459     uint16_t platform_class;
 460     uint32_t log_area_minimum_length;
 461     uint64_t log_area_start_address;
 462 } QEMU_PACKED;
 463 typedef struct Acpi20Tcpa Acpi20Tcpa;
 464
 465 /*
 466  * TPM2
 467  *
 468  * Following Level 00, Rev 00.37 of specs:
 469  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 470  */
 471 struct Acpi20TPM2 {
 472     ACPI_TABLE_HEADER_DEF
 473     uint16_t platform_class;
 474     uint16_t reserved;
 475     uint64_t control_area_address;
 476     uint32_t start_method;
 477 } QEMU_PACKED;
 478 typedef struct Acpi20TPM2 Acpi20TPM2;
 479
 480 /* DMAR - DMA Remapping table r2.2 */
 481 struct AcpiTableDmar {
 482     ACPI_TABLE_HEADER_DEF
 483     uint8_t host_address_width; /* Maximum DMA physical addressability */
 484     uint8_t flags;
 485     uint8_t reserved[10];
 486 } QEMU_PACKED;
 487 typedef struct AcpiTableDmar AcpiTableDmar;
 488
 489 /* Masks for Flags field above */
 490 #define ACPI_DMAR_INTR_REMAP        1
 491 #define ACPI_DMAR_X2APIC_OPT_OUT    (1 << 1)
 492
 493 /* Values for sub-structure type for DMAR */
 494 enum {
 495     ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,       /* DRHD */
 496     ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,     /* RMRR */
 497     ACPI_DMAR_TYPE_ATSR = 2,                /* ATSR */
 498     ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,   /* RHSR */
 499     ACPI_DMAR_TYPE_ANDD = 4,                /* ANDD */
 500     ACPI_DMAR_TYPE_RESERVED = 5             /* Reserved for furture use */
 501 };
 502
 503 /*
 504  * Sub-structures for DMAR
 505  */
 506 /* Type 0: Hardware Unit Definition */
 507 struct AcpiDmarHardwareUnit {
 508     uint16_t type;
 509     uint16_t length;
 510     uint8_t flags;
 511     uint8_t reserved;
 512     uint16_t pci_segment;   /* The PCI Segment associated with this unit */
 513     uint64_t address;   /* Base address of remapping hardware register-set */
 514 } QEMU_PACKED;
 515 typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit;
 516
 517 /* Masks for Flags field above */
 518 #define ACPI_DMAR_INCLUDE_PCI_ALL   1
 519
 520 #endif