1 #ifndef __LINUX_KVM_H 2 #define __LINUX_KVM_H 3 4 /* 5 * Userspace interface for /dev/kvm - kernel based virtual machine 6 * 7 * Note: you must update KVM_API_VERSION if you change this interface. 8 */ 9 10 #include <linux/types.h> 11 12 #include <linux/ioctl.h> 13 #include <asm/kvm.h> 14 15 #define KVM_API_VERSION 12 16 17 /* *** Deprecated interfaces *** */ 18 19 #define KVM_TRC_SHIFT 16 20 21 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) 22 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) 23 24 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) 25 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) 26 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) 27 28 #define KVM_TRC_HEAD_SIZE 12 29 #define KVM_TRC_CYCLE_SIZE 8 30 #define KVM_TRC_EXTRA_MAX 7 31 32 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) 33 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) 34 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) 35 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) 36 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) 37 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) 38 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) 39 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) 40 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) 41 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) 42 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) 43 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) 44 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) 45 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) 46 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) 47 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) 48 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) 49 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) 50 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) 51 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) 52 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) 53 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) 54 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) 55 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) 56 57 struct kvm_user_trace_setup { 58 __u32 buf_size; 59 __u32 buf_nr; 60 }; 61 62 #define __KVM_DEPRECATED_MAIN_W_0x06 \ 63 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) 64 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07) 65 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08) 66 67 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq) 68 69 struct kvm_breakpoint { 70 __u32 enabled; 71 __u32 padding; 72 __u64 address; 73 }; 74 75 struct kvm_debug_guest { 76 __u32 enabled; 77 __u32 pad; 78 struct kvm_breakpoint breakpoints[4]; 79 __u32 singlestep; 80 }; 81 82 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest) 83 84 /* *** End of deprecated interfaces *** */ 85 86 87 /* for KVM_CREATE_MEMORY_REGION */ 88 struct kvm_memory_region { 89 __u32 slot; 90 __u32 flags; 91 __u64 guest_phys_addr; 92 __u64 memory_size; /* bytes */ 93 }; 94 95 /* for KVM_SET_USER_MEMORY_REGION */ 96 struct kvm_userspace_memory_region { 97 __u32 slot; 98 __u32 flags; 99 __u64 guest_phys_addr; 100 __u64 memory_size; /* bytes */ 101 __u64 userspace_addr; /* start of the userspace allocated memory */ 102 }; 103 104 /* 105 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, 106 * other bits are reserved for kvm internal use which are defined in 107 * include/linux/kvm_host.h. 108 */ 109 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 110 #define KVM_MEM_READONLY (1UL << 1) 111 112 /* for KVM_IRQ_LINE */ 113 struct kvm_irq_level { 114 /* 115 * ACPI gsi notion of irq. 116 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 117 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 118 * For ARM: See Documentation/virtual/kvm/api.txt 119 */ 120 union { 121 __u32 irq; 122 __s32 status; 123 }; 124 __u32 level; 125 }; 126 127 128 struct kvm_irqchip { 129 __u32 chip_id; 130 __u32 pad; 131 union { 132 char dummy[512]; /* reserving space */ 133 #ifdef __KVM_HAVE_PIT 134 struct kvm_pic_state pic; 135 #endif 136 #ifdef __KVM_HAVE_IOAPIC 137 struct kvm_ioapic_state ioapic; 138 #endif 139 } chip; 140 }; 141 142 /* for KVM_CREATE_PIT2 */ 143 struct kvm_pit_config { 144 __u32 flags; 145 __u32 pad[15]; 146 }; 147 148 #define KVM_PIT_SPEAKER_DUMMY 1 149 150 #define KVM_EXIT_UNKNOWN 0 151 #define KVM_EXIT_EXCEPTION 1 152 #define KVM_EXIT_IO 2 153 #define KVM_EXIT_HYPERCALL 3 154 #define KVM_EXIT_DEBUG 4 155 #define KVM_EXIT_HLT 5 156 #define KVM_EXIT_MMIO 6 157 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 158 #define KVM_EXIT_SHUTDOWN 8 159 #define KVM_EXIT_FAIL_ENTRY 9 160 #define KVM_EXIT_INTR 10 161 #define KVM_EXIT_SET_TPR 11 162 #define KVM_EXIT_TPR_ACCESS 12 163 #define KVM_EXIT_S390_SIEIC 13 164 #define KVM_EXIT_S390_RESET 14 165 #define KVM_EXIT_DCR 15 166 #define KVM_EXIT_NMI 16 167 #define KVM_EXIT_INTERNAL_ERROR 17 168 #define KVM_EXIT_OSI 18 169 #define KVM_EXIT_PAPR_HCALL 19 170 #define KVM_EXIT_S390_UCONTROL 20 171 #define KVM_EXIT_WATCHDOG 21 172 #define KVM_EXIT_S390_TSCH 22 173 #define KVM_EXIT_EPR 23 174 175 /* For KVM_EXIT_INTERNAL_ERROR */ 176 /* Emulate instruction failed. */ 177 #define KVM_INTERNAL_ERROR_EMULATION 1 178 /* Encounter unexpected simultaneous exceptions. */ 179 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 180 /* Encounter unexpected vm-exit due to delivery event. */ 181 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 182 183 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 184 struct kvm_run { 185 /* in */ 186 __u8 request_interrupt_window; 187 __u8 padding1[7]; 188 189 /* out */ 190 __u32 exit_reason; 191 __u8 ready_for_interrupt_injection; 192 __u8 if_flag; 193 __u8 padding2[2]; 194 195 /* in (pre_kvm_run), out (post_kvm_run) */ 196 __u64 cr8; 197 __u64 apic_base; 198 199 #ifdef __KVM_S390 200 /* the processor status word for s390 */ 201 __u64 psw_mask; /* psw upper half */ 202 __u64 psw_addr; /* psw lower half */ 203 #endif 204 union { 205 /* KVM_EXIT_UNKNOWN */ 206 struct { 207 __u64 hardware_exit_reason; 208 } hw; 209 /* KVM_EXIT_FAIL_ENTRY */ 210 struct { 211 __u64 hardware_entry_failure_reason; 212 } fail_entry; 213 /* KVM_EXIT_EXCEPTION */ 214 struct { 215 __u32 exception; 216 __u32 error_code; 217 } ex; 218 /* KVM_EXIT_IO */ 219 struct { 220 #define KVM_EXIT_IO_IN 0 221 #define KVM_EXIT_IO_OUT 1 222 __u8 direction; 223 __u8 size; /* bytes */ 224 __u16 port; 225 __u32 count; 226 __u64 data_offset; /* relative to kvm_run start */ 227 } io; 228 struct { 229 struct kvm_debug_exit_arch arch; 230 } debug; 231 /* KVM_EXIT_MMIO */ 232 struct { 233 __u64 phys_addr; 234 __u8 data[8]; 235 __u32 len; 236 __u8 is_write; 237 } mmio; 238 /* KVM_EXIT_HYPERCALL */ 239 struct { 240 __u64 nr; 241 __u64 args[6]; 242 __u64 ret; 243 __u32 longmode; 244 __u32 pad; 245 } hypercall; 246 /* KVM_EXIT_TPR_ACCESS */ 247 struct { 248 __u64 rip; 249 __u32 is_write; 250 __u32 pad; 251 } tpr_access; 252 /* KVM_EXIT_S390_SIEIC */ 253 struct { 254 __u8 icptcode; 255 __u16 ipa; 256 __u32 ipb; 257 } s390_sieic; 258 /* KVM_EXIT_S390_RESET */ 259 #define KVM_S390_RESET_POR 1 260 #define KVM_S390_RESET_CLEAR 2 261 #define KVM_S390_RESET_SUBSYSTEM 4 262 #define KVM_S390_RESET_CPU_INIT 8 263 #define KVM_S390_RESET_IPL 16 264 __u64 s390_reset_flags; 265 /* KVM_EXIT_S390_UCONTROL */ 266 struct { 267 __u64 trans_exc_code; 268 __u32 pgm_code; 269 } s390_ucontrol; 270 /* KVM_EXIT_DCR */ 271 struct { 272 __u32 dcrn; 273 __u32 data; 274 __u8 is_write; 275 } dcr; 276 struct { 277 __u32 suberror; 278 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 279 __u32 ndata; 280 __u64 data[16]; 281 } internal; 282 /* KVM_EXIT_OSI */ 283 struct { 284 __u64 gprs[32]; 285 } osi; 286 struct { 287 __u64 nr; 288 __u64 ret; 289 __u64 args[9]; 290 } papr_hcall; 291 /* KVM_EXIT_S390_TSCH */ 292 struct { 293 __u16 subchannel_id; 294 __u16 subchannel_nr; 295 __u32 io_int_parm; 296 __u32 io_int_word; 297 __u32 ipb; 298 __u8 dequeued; 299 } s390_tsch; 300 /* KVM_EXIT_EPR */ 301 struct { 302 __u32 epr; 303 } epr; 304 /* Fix the size of the union. */ 305 char padding[256]; 306 }; 307 308 /* 309 * shared registers between kvm and userspace. 310 * kvm_valid_regs specifies the register classes set by the host 311 * kvm_dirty_regs specified the register classes dirtied by userspace 312 * struct kvm_sync_regs is architecture specific, as well as the 313 * bits for kvm_valid_regs and kvm_dirty_regs 314 */ 315 __u64 kvm_valid_regs; 316 __u64 kvm_dirty_regs; 317 union { 318 struct kvm_sync_regs regs; 319 char padding[1024]; 320 } s; 321 }; 322 323 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 324 325 struct kvm_coalesced_mmio_zone { 326 __u64 addr; 327 __u32 size; 328 __u32 pad; 329 }; 330 331 struct kvm_coalesced_mmio { 332 __u64 phys_addr; 333 __u32 len; 334 __u32 pad; 335 __u8 data[8]; 336 }; 337 338 struct kvm_coalesced_mmio_ring { 339 __u32 first, last; 340 struct kvm_coalesced_mmio coalesced_mmio[0]; 341 }; 342 343 #define KVM_COALESCED_MMIO_MAX \ 344 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 345 sizeof(struct kvm_coalesced_mmio)) 346 347 /* for KVM_TRANSLATE */ 348 struct kvm_translation { 349 /* in */ 350 __u64 linear_address; 351 352 /* out */ 353 __u64 physical_address; 354 __u8 valid; 355 __u8 writeable; 356 __u8 usermode; 357 __u8 pad[5]; 358 }; 359 360 /* for KVM_INTERRUPT */ 361 struct kvm_interrupt { 362 /* in */ 363 __u32 irq; 364 }; 365 366 /* for KVM_GET_DIRTY_LOG */ 367 struct kvm_dirty_log { 368 __u32 slot; 369 __u32 padding1; 370 union { 371 void *dirty_bitmap; /* one bit per page */ 372 __u64 padding2; 373 }; 374 }; 375 376 /* for KVM_SET_SIGNAL_MASK */ 377 struct kvm_signal_mask { 378 __u32 len; 379 __u8 sigset[0]; 380 }; 381 382 /* for KVM_TPR_ACCESS_REPORTING */ 383 struct kvm_tpr_access_ctl { 384 __u32 enabled; 385 __u32 flags; 386 __u32 reserved[8]; 387 }; 388 389 /* for KVM_SET_VAPIC_ADDR */ 390 struct kvm_vapic_addr { 391 __u64 vapic_addr; 392 }; 393 394 /* for KVM_SET_MPSTATE */ 395 396 #define KVM_MP_STATE_RUNNABLE 0 397 #define KVM_MP_STATE_UNINITIALIZED 1 398 #define KVM_MP_STATE_INIT_RECEIVED 2 399 #define KVM_MP_STATE_HALTED 3 400 #define KVM_MP_STATE_SIPI_RECEIVED 4 401 402 struct kvm_mp_state { 403 __u32 mp_state; 404 }; 405 406 struct kvm_s390_psw { 407 __u64 mask; 408 __u64 addr; 409 }; 410 411 /* valid values for type in kvm_s390_interrupt */ 412 #define KVM_S390_SIGP_STOP 0xfffe0000u 413 #define KVM_S390_PROGRAM_INT 0xfffe0001u 414 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 415 #define KVM_S390_RESTART 0xfffe0003u 416 #define KVM_S390_MCHK 0xfffe1000u 417 #define KVM_S390_INT_VIRTIO 0xffff2603u 418 #define KVM_S390_INT_SERVICE 0xffff2401u 419 #define KVM_S390_INT_EMERGENCY 0xffff1201u 420 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 421 /* Anything below 0xfffe0000u is taken by INT_IO */ 422 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 423 (((schid)) | \ 424 ((ssid) << 16) | \ 425 ((cssid) << 18) | \ 426 ((ai) << 26)) 427 #define KVM_S390_INT_IO_MIN 0x00000000u 428 #define KVM_S390_INT_IO_MAX 0xfffdffffu 429 430 431 struct kvm_s390_interrupt { 432 __u32 type; 433 __u32 parm; 434 __u64 parm64; 435 }; 436 437 /* for KVM_SET_GUEST_DEBUG */ 438 439 #define KVM_GUESTDBG_ENABLE 0x00000001 440 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 441 442 struct kvm_guest_debug { 443 __u32 control; 444 __u32 pad; 445 struct kvm_guest_debug_arch arch; 446 }; 447 448 enum { 449 kvm_ioeventfd_flag_nr_datamatch, 450 kvm_ioeventfd_flag_nr_pio, 451 kvm_ioeventfd_flag_nr_deassign, 452 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 453 kvm_ioeventfd_flag_nr_max, 454 }; 455 456 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 457 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 458 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 459 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 460 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 461 462 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 463 464 struct kvm_ioeventfd { 465 __u64 datamatch; 466 __u64 addr; /* legal pio/mmio address */ 467 __u32 len; /* 1, 2, 4, or 8 bytes */ 468 __s32 fd; 469 __u32 flags; 470 __u8 pad[36]; 471 }; 472 473 /* for KVM_ENABLE_CAP */ 474 struct kvm_enable_cap { 475 /* in */ 476 __u32 cap; 477 __u32 flags; 478 __u64 args[4]; 479 __u8 pad[64]; 480 }; 481 482 /* for KVM_PPC_GET_PVINFO */ 483 struct kvm_ppc_pvinfo { 484 /* out */ 485 __u32 flags; 486 __u32 hcall[4]; 487 __u8 pad[108]; 488 }; 489 490 /* for KVM_PPC_GET_SMMU_INFO */ 491 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 492 493 struct kvm_ppc_one_page_size { 494 __u32 page_shift; /* Page shift (or 0) */ 495 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 496 }; 497 498 struct kvm_ppc_one_seg_page_size { 499 __u32 page_shift; /* Base page shift of segment (or 0) */ 500 __u32 slb_enc; /* SLB encoding for BookS */ 501 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 502 }; 503 504 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 505 #define KVM_PPC_1T_SEGMENTS 0x00000002 506 507 struct kvm_ppc_smmu_info { 508 __u64 flags; 509 __u32 slb_size; 510 __u32 pad; 511 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 512 }; 513 514 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 515 516 #define KVMIO 0xAE 517 518 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 519 #define KVM_VM_S390_UCONTROL 1 520 521 #define KVM_S390_SIE_PAGE_OFFSET 1 522 523 /* 524 * ioctls for /dev/kvm fds: 525 */ 526 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 527 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 528 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 529 530 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 531 /* 532 * Check if a kvm extension is available. Argument is extension number, 533 * return is 1 (yes) or 0 (no, sorry). 534 */ 535 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 536 /* 537 * Get size for mmap(vcpu_fd) 538 */ 539 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 540 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 541 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 542 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 543 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 544 545 /* 546 * Extension capability list. 547 */ 548 #define KVM_CAP_IRQCHIP 0 549 #define KVM_CAP_HLT 1 550 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 551 #define KVM_CAP_USER_MEMORY 3 552 #define KVM_CAP_SET_TSS_ADDR 4 553 #define KVM_CAP_VAPIC 6 554 #define KVM_CAP_EXT_CPUID 7 555 #define KVM_CAP_CLOCKSOURCE 8 556 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 557 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 558 #define KVM_CAP_PIT 11 559 #define KVM_CAP_NOP_IO_DELAY 12 560 #define KVM_CAP_PV_MMU 13 561 #define KVM_CAP_MP_STATE 14 562 #define KVM_CAP_COALESCED_MMIO 15 563 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 564 #define KVM_CAP_DEVICE_ASSIGNMENT 17 565 #define KVM_CAP_IOMMU 18 566 #ifdef __KVM_HAVE_MSI 567 #define KVM_CAP_DEVICE_MSI 20 568 #endif 569 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 570 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 571 #ifdef __KVM_HAVE_USER_NMI 572 #define KVM_CAP_USER_NMI 22 573 #endif 574 #ifdef __KVM_HAVE_GUEST_DEBUG 575 #define KVM_CAP_SET_GUEST_DEBUG 23 576 #endif 577 #ifdef __KVM_HAVE_PIT 578 #define KVM_CAP_REINJECT_CONTROL 24 579 #endif 580 #define KVM_CAP_IRQ_ROUTING 25 581 #define KVM_CAP_IRQ_INJECT_STATUS 26 582 #define KVM_CAP_DEVICE_DEASSIGNMENT 27 583 #ifdef __KVM_HAVE_MSIX 584 #define KVM_CAP_DEVICE_MSIX 28 585 #endif 586 #define KVM_CAP_ASSIGN_DEV_IRQ 29 587 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 588 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 589 #ifdef __KVM_HAVE_MCE 590 #define KVM_CAP_MCE 31 591 #endif 592 #define KVM_CAP_IRQFD 32 593 #ifdef __KVM_HAVE_PIT 594 #define KVM_CAP_PIT2 33 595 #endif 596 #define KVM_CAP_SET_BOOT_CPU_ID 34 597 #ifdef __KVM_HAVE_PIT_STATE2 598 #define KVM_CAP_PIT_STATE2 35 599 #endif 600 #define KVM_CAP_IOEVENTFD 36 601 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 602 #ifdef __KVM_HAVE_XEN_HVM 603 #define KVM_CAP_XEN_HVM 38 604 #endif 605 #define KVM_CAP_ADJUST_CLOCK 39 606 #define KVM_CAP_INTERNAL_ERROR_DATA 40 607 #ifdef __KVM_HAVE_VCPU_EVENTS 608 #define KVM_CAP_VCPU_EVENTS 41 609 #endif 610 #define KVM_CAP_S390_PSW 42 611 #define KVM_CAP_PPC_SEGSTATE 43 612 #define KVM_CAP_HYPERV 44 613 #define KVM_CAP_HYPERV_VAPIC 45 614 #define KVM_CAP_HYPERV_SPIN 46 615 #define KVM_CAP_PCI_SEGMENT 47 616 #define KVM_CAP_PPC_PAIRED_SINGLES 48 617 #define KVM_CAP_INTR_SHADOW 49 618 #ifdef __KVM_HAVE_DEBUGREGS 619 #define KVM_CAP_DEBUGREGS 50 620 #endif 621 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 622 #define KVM_CAP_PPC_OSI 52 623 #define KVM_CAP_PPC_UNSET_IRQ 53 624 #define KVM_CAP_ENABLE_CAP 54 625 #ifdef __KVM_HAVE_XSAVE 626 #define KVM_CAP_XSAVE 55 627 #endif 628 #ifdef __KVM_HAVE_XCRS 629 #define KVM_CAP_XCRS 56 630 #endif 631 #define KVM_CAP_PPC_GET_PVINFO 57 632 #define KVM_CAP_PPC_IRQ_LEVEL 58 633 #define KVM_CAP_ASYNC_PF 59 634 #define KVM_CAP_TSC_CONTROL 60 635 #define KVM_CAP_GET_TSC_KHZ 61 636 #define KVM_CAP_PPC_BOOKE_SREGS 62 637 #define KVM_CAP_SPAPR_TCE 63 638 #define KVM_CAP_PPC_SMT 64 639 #define KVM_CAP_PPC_RMA 65 640 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 641 #define KVM_CAP_PPC_HIOR 67 642 #define KVM_CAP_PPC_PAPR 68 643 #define KVM_CAP_SW_TLB 69 644 #define KVM_CAP_ONE_REG 70 645 #define KVM_CAP_S390_GMAP 71 646 #define KVM_CAP_TSC_DEADLINE_TIMER 72 647 #define KVM_CAP_S390_UCONTROL 73 648 #define KVM_CAP_SYNC_REGS 74 649 #define KVM_CAP_PCI_2_3 75 650 #define KVM_CAP_KVMCLOCK_CTRL 76 651 #define KVM_CAP_SIGNAL_MSI 77 652 #define KVM_CAP_PPC_GET_SMMU_INFO 78 653 #define KVM_CAP_S390_COW 79 654 #define KVM_CAP_PPC_ALLOC_HTAB 80 655 #ifdef __KVM_HAVE_READONLY_MEM 656 #define KVM_CAP_READONLY_MEM 81 657 #endif 658 #define KVM_CAP_IRQFD_RESAMPLE 82 659 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 660 #define KVM_CAP_PPC_HTAB_FD 84 661 #define KVM_CAP_S390_CSS_SUPPORT 85 662 #define KVM_CAP_PPC_EPR 86 663 #define KVM_CAP_ARM_PSCI 87 664 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 665 #define KVM_CAP_DEVICE_CTRL 89 666 #define KVM_CAP_IRQ_MPIC 90 667 #define KVM_CAP_PPC_RTAS 91 668 #define KVM_CAP_IRQ_XICS 92 669 #define KVM_CAP_ARM_EL1_32BIT 93 670 671 #ifdef KVM_CAP_IRQ_ROUTING 672 673 struct kvm_irq_routing_irqchip { 674 __u32 irqchip; 675 __u32 pin; 676 }; 677 678 struct kvm_irq_routing_msi { 679 __u32 address_lo; 680 __u32 address_hi; 681 __u32 data; 682 __u32 pad; 683 }; 684 685 /* gsi routing entry types */ 686 #define KVM_IRQ_ROUTING_IRQCHIP 1 687 #define KVM_IRQ_ROUTING_MSI 2 688 689 struct kvm_irq_routing_entry { 690 __u32 gsi; 691 __u32 type; 692 __u32 flags; 693 __u32 pad; 694 union { 695 struct kvm_irq_routing_irqchip irqchip; 696 struct kvm_irq_routing_msi msi; 697 __u32 pad[8]; 698 } u; 699 }; 700 701 struct kvm_irq_routing { 702 __u32 nr; 703 __u32 flags; 704 struct kvm_irq_routing_entry entries[0]; 705 }; 706 707 #endif 708 709 #ifdef KVM_CAP_MCE 710 /* x86 MCE */ 711 struct kvm_x86_mce { 712 __u64 status; 713 __u64 addr; 714 __u64 misc; 715 __u64 mcg_status; 716 __u8 bank; 717 __u8 pad1[7]; 718 __u64 pad2[3]; 719 }; 720 #endif 721 722 #ifdef KVM_CAP_XEN_HVM 723 struct kvm_xen_hvm_config { 724 __u32 flags; 725 __u32 msr; 726 __u64 blob_addr_32; 727 __u64 blob_addr_64; 728 __u8 blob_size_32; 729 __u8 blob_size_64; 730 __u8 pad2[30]; 731 }; 732 #endif 733 734 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 735 /* 736 * Available with KVM_CAP_IRQFD_RESAMPLE 737 * 738 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 739 * the irqfd to operate in resampling mode for level triggered interrupt 740 * emlation. See Documentation/virtual/kvm/api.txt. 741 */ 742 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 743 744 struct kvm_irqfd { 745 __u32 fd; 746 __u32 gsi; 747 __u32 flags; 748 __u32 resamplefd; 749 __u8 pad[16]; 750 }; 751 752 struct kvm_clock_data { 753 __u64 clock; 754 __u32 flags; 755 __u32 pad[9]; 756 }; 757 758 #define KVM_MMU_FSL_BOOKE_NOHV 0 759 #define KVM_MMU_FSL_BOOKE_HV 1 760 761 struct kvm_config_tlb { 762 __u64 params; 763 __u64 array; 764 __u32 mmu_type; 765 __u32 array_len; 766 }; 767 768 struct kvm_dirty_tlb { 769 __u64 bitmap; 770 __u32 num_dirty; 771 }; 772 773 /* Available with KVM_CAP_ONE_REG */ 774 775 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 776 #define KVM_REG_GENERIC 0x0000000000000000ULL 777 778 /* 779 * Architecture specific registers are to be defined in arch headers and 780 * ORed with the arch identifier. 781 */ 782 #define KVM_REG_PPC 0x1000000000000000ULL 783 #define KVM_REG_X86 0x2000000000000000ULL 784 #define KVM_REG_IA64 0x3000000000000000ULL 785 #define KVM_REG_ARM 0x4000000000000000ULL 786 #define KVM_REG_S390 0x5000000000000000ULL 787 #define KVM_REG_ARM64 0x6000000000000000ULL 788 #define KVM_REG_MIPS 0x7000000000000000ULL 789 790 #define KVM_REG_SIZE_SHIFT 52 791 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 792 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 793 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 794 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 795 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 796 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 797 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 798 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 799 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 800 801 struct kvm_reg_list { 802 __u64 n; /* number of regs */ 803 __u64 reg[0]; 804 }; 805 806 struct kvm_one_reg { 807 __u64 id; 808 __u64 addr; 809 }; 810 811 struct kvm_msi { 812 __u32 address_lo; 813 __u32 address_hi; 814 __u32 data; 815 __u32 flags; 816 __u8 pad[16]; 817 }; 818 819 struct kvm_arm_device_addr { 820 __u64 id; 821 __u64 addr; 822 }; 823 824 /* 825 * Device control API, available with KVM_CAP_DEVICE_CTRL 826 */ 827 #define KVM_CREATE_DEVICE_TEST 1 828 829 struct kvm_create_device { 830 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 831 __u32 fd; /* out: device handle */ 832 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 833 }; 834 835 struct kvm_device_attr { 836 __u32 flags; /* no flags currently defined */ 837 __u32 group; /* device-defined */ 838 __u64 attr; /* group-defined */ 839 __u64 addr; /* userspace address of attr data */ 840 }; 841 842 #define KVM_DEV_TYPE_FSL_MPIC_20 1 843 #define KVM_DEV_TYPE_FSL_MPIC_42 2 844 #define KVM_DEV_TYPE_XICS 3 845 846 /* 847 * ioctls for VM fds 848 */ 849 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 850 /* 851 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 852 * a vcpu fd. 853 */ 854 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 855 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 856 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 857 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 858 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 859 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 860 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 861 struct kvm_userspace_memory_region) 862 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 863 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 864 865 /* enable ucontrol for s390 */ 866 struct kvm_s390_ucas_mapping { 867 __u64 user_addr; 868 __u64 vcpu_addr; 869 __u64 length; 870 }; 871 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 872 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 873 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 874 875 /* Device model IOC */ 876 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 877 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 878 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 879 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 880 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 881 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 882 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 883 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 884 #define KVM_REGISTER_COALESCED_MMIO \ 885 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 886 #define KVM_UNREGISTER_COALESCED_MMIO \ 887 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 888 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 889 struct kvm_assigned_pci_dev) 890 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 891 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 892 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 893 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 894 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 895 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 896 struct kvm_assigned_pci_dev) 897 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 898 struct kvm_assigned_msix_nr) 899 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 900 struct kvm_assigned_msix_entry) 901 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 902 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 903 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 904 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 905 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 906 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 907 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 908 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 909 /* Available with KVM_CAP_PIT_STATE2 */ 910 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 911 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 912 /* Available with KVM_CAP_PPC_GET_PVINFO */ 913 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 914 /* Available with KVM_CAP_TSC_CONTROL */ 915 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 916 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 917 /* Available with KVM_CAP_PCI_2_3 */ 918 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 919 struct kvm_assigned_pci_dev) 920 /* Available with KVM_CAP_SIGNAL_MSI */ 921 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 922 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 923 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 924 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 925 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 926 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 927 /* Available with KVM_CAP_RMA */ 928 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 929 /* Available with KVM_CAP_PPC_HTAB_FD */ 930 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 931 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 932 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 933 /* Available with KVM_CAP_PPC_RTAS */ 934 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 935 936 /* ioctl for vm fd */ 937 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 938 939 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 940 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 941 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 942 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 943 944 /* 945 * ioctls for vcpu fds 946 */ 947 #define KVM_RUN _IO(KVMIO, 0x80) 948 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 949 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 950 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 951 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 952 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 953 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 954 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 955 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 956 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 957 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 958 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 959 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 960 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 961 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 962 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 963 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 964 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 965 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 966 /* Available with KVM_CAP_VAPIC */ 967 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 968 /* Available with KVM_CAP_VAPIC */ 969 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 970 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 971 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 972 /* store status for s390 */ 973 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 974 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 975 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 976 /* initial ipl psw for s390 */ 977 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 978 /* initial reset for s390 */ 979 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 980 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 981 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 982 /* Available with KVM_CAP_NMI */ 983 #define KVM_NMI _IO(KVMIO, 0x9a) 984 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 985 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 986 /* MCE for x86 */ 987 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 988 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 989 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 990 /* IA64 stack access */ 991 #define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *) 992 #define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *) 993 /* Available with KVM_CAP_VCPU_EVENTS */ 994 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 995 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 996 /* Available with KVM_CAP_DEBUGREGS */ 997 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 998 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 999 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1000 /* Available with KVM_CAP_XSAVE */ 1001 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1002 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1003 /* Available with KVM_CAP_XCRS */ 1004 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1005 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1006 /* Available with KVM_CAP_SW_TLB */ 1007 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1008 /* Available with KVM_CAP_ONE_REG */ 1009 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1010 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1011 /* VM is being stopped by host */ 1012 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1013 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1014 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1015 1016 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1017 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1018 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1019 1020 struct kvm_assigned_pci_dev { 1021 __u32 assigned_dev_id; 1022 __u32 busnr; 1023 __u32 devfn; 1024 __u32 flags; 1025 __u32 segnr; 1026 union { 1027 __u32 reserved[11]; 1028 }; 1029 }; 1030 1031 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1032 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1033 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1034 1035 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1036 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1037 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1038 1039 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1040 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1041 1042 struct kvm_assigned_irq { 1043 __u32 assigned_dev_id; 1044 __u32 host_irq; /* ignored (legacy field) */ 1045 __u32 guest_irq; 1046 __u32 flags; 1047 union { 1048 __u32 reserved[12]; 1049 }; 1050 }; 1051 1052 struct kvm_assigned_msix_nr { 1053 __u32 assigned_dev_id; 1054 __u16 entry_nr; 1055 __u16 padding; 1056 }; 1057 1058 #define KVM_MAX_MSIX_PER_DEV 256 1059 struct kvm_assigned_msix_entry { 1060 __u32 assigned_dev_id; 1061 __u32 gsi; 1062 __u16 entry; /* The index of entry in the MSI-X table */ 1063 __u16 padding[3]; 1064 }; 1065 1066 #endif /* __LINUX_KVM_H */ 1067