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 struct AcpiMadtGenericMsiFrame { 376 ACPI_SUB_HEADER_DEF 377 uint16_t reserved; 378 uint32_t gic_msi_frame_id; 379 uint64_t base_address; 380 uint32_t flags; 381 uint16_t spi_count; 382 uint16_t spi_base; 383 } QEMU_PACKED; 384 385 typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame; 386 387 struct AcpiMadtGenericRedistributor { 388 ACPI_SUB_HEADER_DEF 389 uint16_t reserved; 390 uint64_t base_address; 391 uint32_t range_length; 392 } QEMU_PACKED; 393 394 typedef struct AcpiMadtGenericRedistributor AcpiMadtGenericRedistributor; 395 396 /* 397 * Generic Timer Description Table (GTDT) 398 */ 399 400 #define ACPI_GTDT_INTERRUPT_MODE (1 << 0) 401 #define ACPI_GTDT_INTERRUPT_POLARITY (1 << 1) 402 #define ACPI_GTDT_ALWAYS_ON (1 << 2) 403 404 /* Triggering */ 405 406 #define ACPI_LEVEL_SENSITIVE ((uint8_t) 0x00) 407 #define ACPI_EDGE_SENSITIVE ((uint8_t) 0x01) 408 409 /* Polarity */ 410 411 #define ACPI_ACTIVE_HIGH ((uint8_t) 0x00) 412 #define ACPI_ACTIVE_LOW ((uint8_t) 0x01) 413 #define ACPI_ACTIVE_BOTH ((uint8_t) 0x02) 414 415 struct AcpiGenericTimerTable { 416 ACPI_TABLE_HEADER_DEF 417 uint64_t counter_block_addresss; 418 uint32_t reserved; 419 uint32_t secure_el1_interrupt; 420 uint32_t secure_el1_flags; 421 uint32_t non_secure_el1_interrupt; 422 uint32_t non_secure_el1_flags; 423 uint32_t virtual_timer_interrupt; 424 uint32_t virtual_timer_flags; 425 uint32_t non_secure_el2_interrupt; 426 uint32_t non_secure_el2_flags; 427 uint64_t counter_read_block_address; 428 uint32_t platform_timer_count; 429 uint32_t platform_timer_offset; 430 } QEMU_PACKED; 431 typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; 432 433 /* 434 * HPET Description Table 435 */ 436 struct Acpi20Hpet { 437 ACPI_TABLE_HEADER_DEF /* ACPI common table header */ 438 uint32_t timer_block_id; 439 Acpi20GenericAddress addr; 440 uint8_t hpet_number; 441 uint16_t min_tick; 442 uint8_t page_protect; 443 } QEMU_PACKED; 444 typedef struct Acpi20Hpet Acpi20Hpet; 445 446 /* 447 * SRAT (NUMA topology description) table 448 */ 449 450 struct AcpiSystemResourceAffinityTable 451 { 452 ACPI_TABLE_HEADER_DEF 453 uint32_t reserved1; 454 uint32_t reserved2[2]; 455 } QEMU_PACKED; 456 typedef struct AcpiSystemResourceAffinityTable AcpiSystemResourceAffinityTable; 457 458 #define ACPI_SRAT_PROCESSOR 0 459 #define ACPI_SRAT_MEMORY 1 460 461 struct AcpiSratProcessorAffinity 462 { 463 ACPI_SUB_HEADER_DEF 464 uint8_t proximity_lo; 465 uint8_t local_apic_id; 466 uint32_t flags; 467 uint8_t local_sapic_eid; 468 uint8_t proximity_hi[3]; 469 uint32_t reserved; 470 } QEMU_PACKED; 471 typedef struct AcpiSratProcessorAffinity AcpiSratProcessorAffinity; 472 473 struct AcpiSratMemoryAffinity 474 { 475 ACPI_SUB_HEADER_DEF 476 uint8_t proximity[4]; 477 uint16_t reserved1; 478 uint64_t base_addr; 479 uint64_t range_length; 480 uint32_t reserved2; 481 uint32_t flags; 482 uint32_t reserved3[2]; 483 } QEMU_PACKED; 484 typedef struct AcpiSratMemoryAffinity AcpiSratMemoryAffinity; 485 486 /* PCI fw r3.0 MCFG table. */ 487 /* Subtable */ 488 struct AcpiMcfgAllocation { 489 uint64_t address; /* Base address, processor-relative */ 490 uint16_t pci_segment; /* PCI segment group number */ 491 uint8_t start_bus_number; /* Starting PCI Bus number */ 492 uint8_t end_bus_number; /* Final PCI Bus number */ 493 uint32_t reserved; 494 } QEMU_PACKED; 495 typedef struct AcpiMcfgAllocation AcpiMcfgAllocation; 496 497 struct AcpiTableMcfg { 498 ACPI_TABLE_HEADER_DEF; 499 uint8_t reserved[8]; 500 AcpiMcfgAllocation allocation[0]; 501 } QEMU_PACKED; 502 typedef struct AcpiTableMcfg AcpiTableMcfg; 503 504 /* 505 * TCPA Description Table 506 * 507 * Following Level 00, Rev 00.37 of specs: 508 * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification 509 */ 510 struct Acpi20Tcpa { 511 ACPI_TABLE_HEADER_DEF /* ACPI common table header */ 512 uint16_t platform_class; 513 uint32_t log_area_minimum_length; 514 uint64_t log_area_start_address; 515 } QEMU_PACKED; 516 typedef struct Acpi20Tcpa Acpi20Tcpa; 517 518 /* 519 * TPM2 520 * 521 * Following Level 00, Rev 00.37 of specs: 522 * http://www.trustedcomputinggroup.org/resources/tcg_acpi_specification 523 */ 524 struct Acpi20TPM2 { 525 ACPI_TABLE_HEADER_DEF 526 uint16_t platform_class; 527 uint16_t reserved; 528 uint64_t control_area_address; 529 uint32_t start_method; 530 } QEMU_PACKED; 531 typedef struct Acpi20TPM2 Acpi20TPM2; 532 533 /* DMAR - DMA Remapping table r2.2 */ 534 struct AcpiTableDmar { 535 ACPI_TABLE_HEADER_DEF 536 uint8_t host_address_width; /* Maximum DMA physical addressability */ 537 uint8_t flags; 538 uint8_t reserved[10]; 539 } QEMU_PACKED; 540 typedef struct AcpiTableDmar AcpiTableDmar; 541 542 /* Masks for Flags field above */ 543 #define ACPI_DMAR_INTR_REMAP 1 544 #define ACPI_DMAR_X2APIC_OPT_OUT (1 << 1) 545 546 /* Values for sub-structure type for DMAR */ 547 enum { 548 ACPI_DMAR_TYPE_HARDWARE_UNIT = 0, /* DRHD */ 549 ACPI_DMAR_TYPE_RESERVED_MEMORY = 1, /* RMRR */ 550 ACPI_DMAR_TYPE_ATSR = 2, /* ATSR */ 551 ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3, /* RHSR */ 552 ACPI_DMAR_TYPE_ANDD = 4, /* ANDD */ 553 ACPI_DMAR_TYPE_RESERVED = 5 /* Reserved for furture use */ 554 }; 555 556 /* 557 * Sub-structures for DMAR 558 */ 559 /* Type 0: Hardware Unit Definition */ 560 struct AcpiDmarHardwareUnit { 561 uint16_t type; 562 uint16_t length; 563 uint8_t flags; 564 uint8_t reserved; 565 uint16_t pci_segment; /* The PCI Segment associated with this unit */ 566 uint64_t address; /* Base address of remapping hardware register-set */ 567 } QEMU_PACKED; 568 typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit; 569 570 /* Masks for Flags field above */ 571 #define ACPI_DMAR_INCLUDE_PCI_ALL 1 572 573 #endif 574