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  * Serial Port Console Redirection Table (SPCR), Rev. 1.02
 201  *
 202  * For .interface_type see Debug Port Table 2 (DBG2) serial port
 203  * subtypes in Table 3, Rev. May 22, 2012
 204  */
 205 struct AcpiSerialPortConsoleRedirection {
 206     ACPI_TABLE_HEADER_DEF
 207     uint8_t  interface_type;
 208     uint8_t  reserved1[3];
 209     struct AcpiGenericAddress base_address;
 210     uint8_t  interrupt_types;
 211     uint8_t  irq;
 212     uint32_t gsi;
 213     uint8_t  baud;
 214     uint8_t  parity;
 215     uint8_t  stopbits;
 216     uint8_t  flowctrl;
 217     uint8_t  term_type;
 218     uint8_t  reserved2;
 219     uint16_t pci_device_id;
 220     uint16_t pci_vendor_id;
 221     uint8_t  pci_bus;
 222     uint8_t  pci_slot;
 223     uint8_t  pci_func;
 224     uint32_t pci_flags;
 225     uint8_t  pci_seg;
 226     uint32_t reserved3;
 227 } QEMU_PACKED;
 228 typedef struct AcpiSerialPortConsoleRedirection
 229                AcpiSerialPortConsoleRedirection;
 230
 231 /*
 232  * ACPI 1.0 Root System Description Table (RSDT)
 233  */
 234 struct AcpiRsdtDescriptorRev1
 235 {
 236     ACPI_TABLE_HEADER_DEF       /* ACPI common table header */
 237     uint32_t table_offset_entry[0];  /* Array of pointers to other */
 238     /* ACPI tables */
 239 } QEMU_PACKED;
 240 typedef struct AcpiRsdtDescriptorRev1 AcpiRsdtDescriptorRev1;
 241
 242 /*
 243  * ACPI 1.0 Firmware ACPI Control Structure (FACS)
 244  */
 245 struct AcpiFacsDescriptorRev1
 246 {
 247     uint32_t signature;           /* ACPI Signature */
 248     uint32_t length;                 /* Length of structure, in bytes */
 249     uint32_t hardware_signature;     /* Hardware configuration signature */
 250     uint32_t firmware_waking_vector; /* ACPI OS waking vector */
 251     uint32_t global_lock;            /* Global Lock */
 252     uint32_t flags;
 253     uint8_t  resverved3 [40];        /* Reserved - must be zero */
 254 } QEMU_PACKED;
 255 typedef struct AcpiFacsDescriptorRev1 AcpiFacsDescriptorRev1;
 256
 257 /*
 258  * Differentiated System Description Table (DSDT)
 259  */
 260
 261 /*
 262  * MADT values and structures
 263  */
 264
 265 /* Values for MADT PCATCompat */
 266
 267 #define ACPI_DUAL_PIC                0
 268 #define ACPI_MULTIPLE_APIC           1
 269
 270 /* Master MADT */
 271
 272 struct AcpiMultipleApicTable
 273 {
 274     ACPI_TABLE_HEADER_DEF     /* ACPI common table header */
 275     uint32_t local_apic_address;     /* Physical address of local APIC */
 276     uint32_t flags;
 277 } QEMU_PACKED;
 278 typedef struct AcpiMultipleApicTable AcpiMultipleApicTable;
 279
 280 /* Values for Type in APIC sub-headers */
 281
 282 #define ACPI_APIC_PROCESSOR          0
 283 #define ACPI_APIC_IO                 1
 284 #define ACPI_APIC_XRUPT_OVERRIDE     2
 285 #define ACPI_APIC_NMI                3
 286 #define ACPI_APIC_LOCAL_NMI          4
 287 #define ACPI_APIC_ADDRESS_OVERRIDE   5
 288 #define ACPI_APIC_IO_SAPIC           6
 289 #define ACPI_APIC_LOCAL_SAPIC        7
 290 #define ACPI_APIC_XRUPT_SOURCE       8
 291 #define ACPI_APIC_LOCAL_X2APIC       9
 292 #define ACPI_APIC_LOCAL_X2APIC_NMI      10
 293 #define ACPI_APIC_GENERIC_INTERRUPT     11
 294 #define ACPI_APIC_GENERIC_DISTRIBUTOR   12
 295 #define ACPI_APIC_GENERIC_MSI_FRAME     13
 296 #define ACPI_APIC_GENERIC_REDISTRIBUTOR 14
 297 #define ACPI_APIC_RESERVED              15   /* 15 and greater are reserved */
 298
 299 /*
 300  * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE)
 301  */
 302 #define ACPI_SUB_HEADER_DEF   /* Common ACPI sub-structure header */\
 303     uint8_t  type;                               \
 304     uint8_t  length;
 305
 306 /* Sub-structures for MADT */
 307
 308 struct AcpiMadtProcessorApic
 309 {
 310     ACPI_SUB_HEADER_DEF
 311     uint8_t  processor_id;           /* ACPI processor id */
 312     uint8_t  local_apic_id;          /* Processor's local APIC id */
 313     uint32_t flags;
 314 } QEMU_PACKED;
 315 typedef struct AcpiMadtProcessorApic AcpiMadtProcessorApic;
 316
 317 struct AcpiMadtIoApic
 318 {
 319     ACPI_SUB_HEADER_DEF
 320     uint8_t  io_apic_id;             /* I/O APIC ID */
 321     uint8_t  reserved;               /* Reserved - must be zero */
 322     uint32_t address;                /* APIC physical address */
 323     uint32_t interrupt;              /* Global system interrupt where INTI
 324                                  * lines start */
 325 } QEMU_PACKED;
 326 typedef struct AcpiMadtIoApic AcpiMadtIoApic;
 327
 328 struct AcpiMadtIntsrcovr {
 329     ACPI_SUB_HEADER_DEF
 330     uint8_t  bus;
 331     uint8_t  source;
 332     uint32_t gsi;
 333     uint16_t flags;
 334 } QEMU_PACKED;
 335 typedef struct AcpiMadtIntsrcovr AcpiMadtIntsrcovr;
 336
 337 struct AcpiMadtLocalNmi {
 338     ACPI_SUB_HEADER_DEF
 339     uint8_t  processor_id;           /* ACPI processor id */
 340     uint16_t flags;                  /* MPS INTI flags */
 341     uint8_t  lint;                   /* Local APIC LINT# */
 342 } QEMU_PACKED;
 343 typedef struct AcpiMadtLocalNmi AcpiMadtLocalNmi;
 344
 345 struct AcpiMadtGenericInterrupt {
 346     ACPI_SUB_HEADER_DEF
 347     uint16_t reserved;
 348     uint32_t cpu_interface_number;
 349     uint32_t uid;
 350     uint32_t flags;
 351     uint32_t parking_version;
 352     uint32_t performance_interrupt;
 353     uint64_t parked_address;
 354     uint64_t base_address;
 355     uint64_t gicv_base_address;
 356     uint64_t gich_base_address;
 357     uint32_t vgic_interrupt;
 358     uint64_t gicr_base_address;
 359     uint64_t arm_mpidr;
 360 } QEMU_PACKED;
 361
 362 typedef struct AcpiMadtGenericInterrupt AcpiMadtGenericInterrupt;
 363
 364 struct AcpiMadtGenericDistributor {
 365     ACPI_SUB_HEADER_DEF
 366     uint16_t reserved;
 367     uint32_t gic_id;
 368     uint64_t base_address;
 369     uint32_t global_irq_base;
 370     uint32_t reserved2;
 371 } QEMU_PACKED;
 372
 373 typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor;
 374
 375 /*
 376  * Generic Timer Description Table (GTDT)
 377  */
 378
 379 #define ACPI_GTDT_INTERRUPT_MODE        (1 << 0)
 380 #define ACPI_GTDT_INTERRUPT_POLARITY    (1 << 1)
 381 #define ACPI_GTDT_ALWAYS_ON             (1 << 2)
 382
 383 /* Triggering */
 384
 385 #define ACPI_LEVEL_SENSITIVE            ((uint8_t) 0x00)
 386 #define ACPI_EDGE_SENSITIVE             ((uint8_t) 0x01)
 387
 388 /* Polarity */
 389
 390 #define ACPI_ACTIVE_HIGH                ((uint8_t) 0x00)
 391 #define ACPI_ACTIVE_LOW                 ((uint8_t) 0x01)
 392 #define ACPI_ACTIVE_BOTH                ((uint8_t) 0x02)
 393
 394 struct AcpiGenericTimerTable {
 395     ACPI_TABLE_HEADER_DEF
 396     uint64_t counter_block_addresss;
 397     uint32_t reserved;
 398     uint32_t secure_el1_interrupt;
 399     uint32_t secure_el1_flags;
 400     uint32_t non_secure_el1_interrupt;
 401     uint32_t non_secure_el1_flags;
 402     uint32_t virtual_timer_interrupt;
 403     uint32_t virtual_timer_flags;
 404     uint32_t non_secure_el2_interrupt;
 405     uint32_t non_secure_el2_flags;
 406     uint64_t counter_read_block_address;
 407     uint32_t platform_timer_count;
 408     uint32_t platform_timer_offset;
 409 } QEMU_PACKED;
 410 typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;
 411
 412 /*
 413  * HPET Description Table
 414  */
 415 struct Acpi20Hpet {
 416     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 417     uint32_t           timer_block_id;
 418     Acpi20GenericAddress addr;
 419     uint8_t            hpet_number;
 420     uint16_t           min_tick;
 421     uint8_t            page_protect;
 422 } QEMU_PACKED;
 423 typedef struct Acpi20Hpet Acpi20Hpet;
 424
 425 /*
 426  * SRAT (NUMA topology description) table
 427  */
 428
 429 struct AcpiSystemResourceAffinityTable
 430 {
 431     ACPI_TABLE_HEADER_DEF
 432     uint32_t    reserved1;
 433     uint32_t    reserved2[2];
 434 } QEMU_PACKED;
 435 typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable;
 436
 437 #define ACPI_SRAT_PROCESSOR          0
 438 #define ACPI_SRAT_MEMORY             1
 439
 440 struct AcpiSratProcessorAffinity
 441 {
 442     ACPI_SUB_HEADER_DEF
 443     uint8_t     proximity_lo;
 444     uint8_t     local_apic_id;
 445     uint32_t    flags;
 446     uint8_t     local_sapic_eid;
 447     uint8_t     proximity_hi[3];
 448     uint32_t    reserved;
 449 } QEMU_PACKED;
 450 typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity;
 451
 452 struct AcpiSratMemoryAffinity
 453 {
 454     ACPI_SUB_HEADER_DEF
 455     uint8_t     proximity[4];
 456     uint16_t    reserved1;
 457     uint64_t    base_addr;
 458     uint64_t    range_length;
 459     uint32_t    reserved2;
 460     uint32_t    flags;
 461     uint32_t    reserved3[2];
 462 } QEMU_PACKED;
 463 typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity;
 464
 465 /* PCI fw r3.0 MCFG table. */
 466 /* Subtable */
 467 struct AcpiMcfgAllocation {
 468     uint64_t address;                /* Base address, processor-relative */
 469     uint16_t pci_segment;            /* PCI segment group number */
 470     uint8_t start_bus_number;       /* Starting PCI Bus number */
 471     uint8_t end_bus_number;         /* Final PCI Bus number */
 472     uint32_t reserved;
 473 } QEMU_PACKED;
 474 typedef struct AcpiMcfgAllocation AcpiMcfgAllocation;
 475
 476 struct AcpiTableMcfg {
 477     ACPI_TABLE_HEADER_DEF;
 478     uint8_t reserved[8];
 479     AcpiMcfgAllocation allocation[0];
 480 } QEMU_PACKED;
 481 typedef struct AcpiTableMcfg AcpiTableMcfg;
 482
 483 /*
 484  * TCPA Description Table
 485  *
 486  * Following Level 00, Rev 00.37 of specs:
 487  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 488  */
 489 struct Acpi20Tcpa {
 490     ACPI_TABLE_HEADER_DEF                    /* ACPI common table header */
 491     uint16_t platform_class;
 492     uint32_t log_area_minimum_length;
 493     uint64_t log_area_start_address;
 494 } QEMU_PACKED;
 495 typedef struct Acpi20Tcpa Acpi20Tcpa;
 496
 497 /*
 498  * TPM2
 499  *
 500  * Following Level 00, Rev 00.37 of specs:
 501  * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification
 502  */
 503 struct Acpi20TPM2 {
 504     ACPI_TABLE_HEADER_DEF
 505     uint16_t platform_class;
 506     uint16_t reserved;
 507     uint64_t control_area_address;
 508     uint32_t start_method;
 509 } QEMU_PACKED;
 510 typedef struct Acpi20TPM2 Acpi20TPM2;
 511
 512 /* DMAR - DMA Remapping table r2.2 */
 513 struct AcpiTableDmar {
 514     ACPI_TABLE_HEADER_DEF
 515     uint8_t host_address_width; /* Maximum DMA physical addressability */
 516     uint8_t flags;
 517     uint8_t reserved[10];
 518 } QEMU_PACKED;
 519 typedef struct AcpiTableDmar AcpiTableDmar;
 520
 521 /* Masks for Flags field above */
 522 #define ACPI_DMAR_INTR_REMAP        1
 523 #define ACPI_DMAR_X2APIC_OPT_OUT    (1 << 1)
 524
 525 /* Values for sub-structure type for DMAR */
 526 enum {
 527     ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,       /* DRHD */
 528     ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,     /* RMRR */
 529     ACPI_DMAR_TYPE_ATSR = 2,                /* ATSR */
 530     ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3,   /* RHSR */
 531     ACPI_DMAR_TYPE_ANDD = 4,                /* ANDD */
 532     ACPI_DMAR_TYPE_RESERVED = 5             /* Reserved for furture use */
 533 };
 534
 535 /*
 536  * Sub-structures for DMAR
 537  */
 538 /* Type 0: Hardware Unit Definition */
 539 struct AcpiDmarHardwareUnit {
 540     uint16_t type;
 541     uint16_t length;
 542     uint8_t flags;
 543     uint8_t reserved;
 544     uint16_t pci_segment;   /* The PCI Segment associated with this unit */
 545     uint64_t address;   /* Base address of remapping hardware register-set */
 546 } QEMU_PACKED;
 547 typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit;
 548
 549 /* Masks for Flags field above */
 550 #define ACPI_DMAR_INCLUDE_PCI_ALL   1
 551
 552 #endif