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 #include <linux/compiler.h> 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 /* for kvm_memory_region::flags */ 105 #define KVM_MEM_LOG_DIRTY_PAGES 1UL 106 #define KVM_MEMSLOT_INVALID (1UL << 1) 107 108 /* for KVM_IRQ_LINE */ 109 struct kvm_irq_level { 110 /* 111 * ACPI gsi notion of irq. 112 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 113 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 114 */ 115 union { 116 __u32 irq; 117 __s32 status; 118 }; 119 __u32 level; 120 }; 121 122 123 struct kvm_irqchip { 124 __u32 chip_id; 125 __u32 pad; 126 union { 127 char dummy[512]; /* reserving space */ 128 #ifdef __KVM_HAVE_PIT 129 struct kvm_pic_state pic; 130 #endif 131 #ifdef __KVM_HAVE_IOAPIC 132 struct kvm_ioapic_state ioapic; 133 #endif 134 } chip; 135 }; 136 137 /* for KVM_CREATE_PIT2 */ 138 struct kvm_pit_config { 139 __u32 flags; 140 __u32 pad[15]; 141 }; 142 143 #define KVM_PIT_SPEAKER_DUMMY 1 144 145 #define KVM_EXIT_UNKNOWN 0 146 #define KVM_EXIT_EXCEPTION 1 147 #define KVM_EXIT_IO 2 148 #define KVM_EXIT_HYPERCALL 3 149 #define KVM_EXIT_DEBUG 4 150 #define KVM_EXIT_HLT 5 151 #define KVM_EXIT_MMIO 6 152 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 153 #define KVM_EXIT_SHUTDOWN 8 154 #define KVM_EXIT_FAIL_ENTRY 9 155 #define KVM_EXIT_INTR 10 156 #define KVM_EXIT_SET_TPR 11 157 #define KVM_EXIT_TPR_ACCESS 12 158 #define KVM_EXIT_S390_SIEIC 13 159 #define KVM_EXIT_S390_RESET 14 160 #define KVM_EXIT_DCR 15 161 #define KVM_EXIT_NMI 16 162 #define KVM_EXIT_INTERNAL_ERROR 17 163 #define KVM_EXIT_OSI 18 164 165 /* For KVM_EXIT_INTERNAL_ERROR */ 166 #define KVM_INTERNAL_ERROR_EMULATION 1 167 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 168 169 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 170 struct kvm_run { 171 /* in */ 172 __u8 request_interrupt_window; 173 __u8 padding1[7]; 174 175 /* out */ 176 __u32 exit_reason; 177 __u8 ready_for_interrupt_injection; 178 __u8 if_flag; 179 __u8 padding2[2]; 180 181 /* in (pre_kvm_run), out (post_kvm_run) */ 182 __u64 cr8; 183 __u64 apic_base; 184 185 #ifdef __KVM_S390 186 /* the processor status word for s390 */ 187 __u64 psw_mask; /* psw upper half */ 188 __u64 psw_addr; /* psw lower half */ 189 #endif 190 union { 191 /* KVM_EXIT_UNKNOWN */ 192 struct { 193 __u64 hardware_exit_reason; 194 } hw; 195 /* KVM_EXIT_FAIL_ENTRY */ 196 struct { 197 __u64 hardware_entry_failure_reason; 198 } fail_entry; 199 /* KVM_EXIT_EXCEPTION */ 200 struct { 201 __u32 exception; 202 __u32 error_code; 203 } ex; 204 /* KVM_EXIT_IO */ 205 struct { 206 #define KVM_EXIT_IO_IN 0 207 #define KVM_EXIT_IO_OUT 1 208 __u8 direction; 209 __u8 size; /* bytes */ 210 __u16 port; 211 __u32 count; 212 __u64 data_offset; /* relative to kvm_run start */ 213 } io; 214 struct { 215 struct kvm_debug_exit_arch arch; 216 } debug; 217 /* KVM_EXIT_MMIO */ 218 struct { 219 __u64 phys_addr; 220 __u8 data[8]; 221 __u32 len; 222 __u8 is_write; 223 } mmio; 224 /* KVM_EXIT_HYPERCALL */ 225 struct { 226 __u64 nr; 227 __u64 args[6]; 228 __u64 ret; 229 __u32 longmode; 230 __u32 pad; 231 } hypercall; 232 /* KVM_EXIT_TPR_ACCESS */ 233 struct { 234 __u64 rip; 235 __u32 is_write; 236 __u32 pad; 237 } tpr_access; 238 /* KVM_EXIT_S390_SIEIC */ 239 struct { 240 __u8 icptcode; 241 __u16 ipa; 242 __u32 ipb; 243 } s390_sieic; 244 /* KVM_EXIT_S390_RESET */ 245 #define KVM_S390_RESET_POR 1 246 #define KVM_S390_RESET_CLEAR 2 247 #define KVM_S390_RESET_SUBSYSTEM 4 248 #define KVM_S390_RESET_CPU_INIT 8 249 #define KVM_S390_RESET_IPL 16 250 __u64 s390_reset_flags; 251 /* KVM_EXIT_DCR */ 252 struct { 253 __u32 dcrn; 254 __u32 data; 255 __u8 is_write; 256 } dcr; 257 struct { 258 __u32 suberror; 259 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 260 __u32 ndata; 261 __u64 data[16]; 262 } internal; 263 /* KVM_EXIT_OSI */ 264 struct { 265 __u64 gprs[32]; 266 } osi; 267 /* Fix the size of the union. */ 268 char padding[256]; 269 }; 270 }; 271 272 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 273 274 struct kvm_coalesced_mmio_zone { 275 __u64 addr; 276 __u32 size; 277 __u32 pad; 278 }; 279 280 struct kvm_coalesced_mmio { 281 __u64 phys_addr; 282 __u32 len; 283 __u32 pad; 284 __u8 data[8]; 285 }; 286 287 struct kvm_coalesced_mmio_ring { 288 __u32 first, last; 289 struct kvm_coalesced_mmio coalesced_mmio[0]; 290 }; 291 292 #define KVM_COALESCED_MMIO_MAX \ 293 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 294 sizeof(struct kvm_coalesced_mmio)) 295 296 /* for KVM_TRANSLATE */ 297 struct kvm_translation { 298 /* in */ 299 __u64 linear_address; 300 301 /* out */ 302 __u64 physical_address; 303 __u8 valid; 304 __u8 writeable; 305 __u8 usermode; 306 __u8 pad[5]; 307 }; 308 309 /* for KVM_INTERRUPT */ 310 struct kvm_interrupt { 311 /* in */ 312 __u32 irq; 313 }; 314 315 /* for KVM_GET_DIRTY_LOG */ 316 struct kvm_dirty_log { 317 __u32 slot; 318 __u32 padding1; 319 union { 320 void __user *dirty_bitmap; /* one bit per page */ 321 __u64 padding2; 322 }; 323 }; 324 325 /* for KVM_SET_SIGNAL_MASK */ 326 struct kvm_signal_mask { 327 __u32 len; 328 __u8 sigset[0]; 329 }; 330 331 /* for KVM_TPR_ACCESS_REPORTING */ 332 struct kvm_tpr_access_ctl { 333 __u32 enabled; 334 __u32 flags; 335 __u32 reserved[8]; 336 }; 337 338 /* for KVM_SET_VAPIC_ADDR */ 339 struct kvm_vapic_addr { 340 __u64 vapic_addr; 341 }; 342 343 /* for KVM_SET_MPSTATE */ 344 345 #define KVM_MP_STATE_RUNNABLE 0 346 #define KVM_MP_STATE_UNINITIALIZED 1 347 #define KVM_MP_STATE_INIT_RECEIVED 2 348 #define KVM_MP_STATE_HALTED 3 349 #define KVM_MP_STATE_SIPI_RECEIVED 4 350 351 struct kvm_mp_state { 352 __u32 mp_state; 353 }; 354 355 struct kvm_s390_psw { 356 __u64 mask; 357 __u64 addr; 358 }; 359 360 /* valid values for type in kvm_s390_interrupt */ 361 #define KVM_S390_SIGP_STOP 0xfffe0000u 362 #define KVM_S390_PROGRAM_INT 0xfffe0001u 363 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 364 #define KVM_S390_RESTART 0xfffe0003u 365 #define KVM_S390_INT_VIRTIO 0xffff2603u 366 #define KVM_S390_INT_SERVICE 0xffff2401u 367 #define KVM_S390_INT_EMERGENCY 0xffff1201u 368 369 struct kvm_s390_interrupt { 370 __u32 type; 371 __u32 parm; 372 __u64 parm64; 373 }; 374 375 /* for KVM_SET_GUEST_DEBUG */ 376 377 #define KVM_GUESTDBG_ENABLE 0x00000001 378 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 379 380 struct kvm_guest_debug { 381 __u32 control; 382 __u32 pad; 383 struct kvm_guest_debug_arch arch; 384 }; 385 386 enum { 387 kvm_ioeventfd_flag_nr_datamatch, 388 kvm_ioeventfd_flag_nr_pio, 389 kvm_ioeventfd_flag_nr_deassign, 390 kvm_ioeventfd_flag_nr_max, 391 }; 392 393 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 394 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 395 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 396 397 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 398 399 struct kvm_ioeventfd { 400 __u64 datamatch; 401 __u64 addr; /* legal pio/mmio address */ 402 __u32 len; /* 1, 2, 4, or 8 bytes */ 403 __s32 fd; 404 __u32 flags; 405 __u8 pad[36]; 406 }; 407 408 /* for KVM_ENABLE_CAP */ 409 struct kvm_enable_cap { 410 /* in */ 411 __u32 cap; 412 __u32 flags; 413 __u64 args[4]; 414 __u8 pad[64]; 415 }; 416 417 /* for KVM_PPC_GET_PVINFO */ 418 struct kvm_ppc_pvinfo { 419 /* out */ 420 __u32 flags; 421 __u32 hcall[4]; 422 __u8 pad[108]; 423 }; 424 425 #define KVMIO 0xAE 426 427 /* 428 * ioctls for /dev/kvm fds: 429 */ 430 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 431 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 432 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 433 434 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 435 /* 436 * Check if a kvm extension is available. Argument is extension number, 437 * return is 1 (yes) or 0 (no, sorry). 438 */ 439 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 440 /* 441 * Get size for mmap(vcpu_fd) 442 */ 443 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 444 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 445 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 446 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 447 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 448 449 /* 450 * Extension capability list. 451 */ 452 #define KVM_CAP_IRQCHIP 0 453 #define KVM_CAP_HLT 1 454 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 455 #define KVM_CAP_USER_MEMORY 3 456 #define KVM_CAP_SET_TSS_ADDR 4 457 #define KVM_CAP_VAPIC 6 458 #define KVM_CAP_EXT_CPUID 7 459 #define KVM_CAP_CLOCKSOURCE 8 460 #define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */ 461 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 462 #define KVM_CAP_PIT 11 463 #define KVM_CAP_NOP_IO_DELAY 12 464 #define KVM_CAP_PV_MMU 13 465 #define KVM_CAP_MP_STATE 14 466 #define KVM_CAP_COALESCED_MMIO 15 467 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 468 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT 469 #define KVM_CAP_DEVICE_ASSIGNMENT 17 470 #endif 471 #define KVM_CAP_IOMMU 18 472 #ifdef __KVM_HAVE_MSI 473 #define KVM_CAP_DEVICE_MSI 20 474 #endif 475 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 476 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 477 #ifdef __KVM_HAVE_USER_NMI 478 #define KVM_CAP_USER_NMI 22 479 #endif 480 #ifdef __KVM_HAVE_GUEST_DEBUG 481 #define KVM_CAP_SET_GUEST_DEBUG 23 482 #endif 483 #ifdef __KVM_HAVE_PIT 484 #define KVM_CAP_REINJECT_CONTROL 24 485 #endif 486 #ifdef __KVM_HAVE_IOAPIC 487 #define KVM_CAP_IRQ_ROUTING 25 488 #endif 489 #define KVM_CAP_IRQ_INJECT_STATUS 26 490 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT 491 #define KVM_CAP_DEVICE_DEASSIGNMENT 27 492 #endif 493 #ifdef __KVM_HAVE_MSIX 494 #define KVM_CAP_DEVICE_MSIX 28 495 #endif 496 #define KVM_CAP_ASSIGN_DEV_IRQ 29 497 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 498 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 499 #ifdef __KVM_HAVE_MCE 500 #define KVM_CAP_MCE 31 501 #endif 502 #define KVM_CAP_IRQFD 32 503 #ifdef __KVM_HAVE_PIT 504 #define KVM_CAP_PIT2 33 505 #endif 506 #define KVM_CAP_SET_BOOT_CPU_ID 34 507 #ifdef __KVM_HAVE_PIT_STATE2 508 #define KVM_CAP_PIT_STATE2 35 509 #endif 510 #define KVM_CAP_IOEVENTFD 36 511 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 512 #ifdef __KVM_HAVE_XEN_HVM 513 #define KVM_CAP_XEN_HVM 38 514 #endif 515 #define KVM_CAP_ADJUST_CLOCK 39 516 #define KVM_CAP_INTERNAL_ERROR_DATA 40 517 #ifdef __KVM_HAVE_VCPU_EVENTS 518 #define KVM_CAP_VCPU_EVENTS 41 519 #endif 520 #define KVM_CAP_S390_PSW 42 521 #define KVM_CAP_PPC_SEGSTATE 43 522 #define KVM_CAP_HYPERV 44 523 #define KVM_CAP_HYPERV_VAPIC 45 524 #define KVM_CAP_HYPERV_SPIN 46 525 #define KVM_CAP_PCI_SEGMENT 47 526 #define KVM_CAP_PPC_PAIRED_SINGLES 48 527 #define KVM_CAP_INTR_SHADOW 49 528 #ifdef __KVM_HAVE_DEBUGREGS 529 #define KVM_CAP_DEBUGREGS 50 530 #endif 531 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 532 #define KVM_CAP_PPC_OSI 52 533 #define KVM_CAP_PPC_UNSET_IRQ 53 534 #define KVM_CAP_ENABLE_CAP 54 535 #ifdef __KVM_HAVE_XSAVE 536 #define KVM_CAP_XSAVE 55 537 #endif 538 #ifdef __KVM_HAVE_XCRS 539 #define KVM_CAP_XCRS 56 540 #endif 541 #define KVM_CAP_PPC_GET_PVINFO 57 542 #define KVM_CAP_PPC_IRQ_LEVEL 58 543 #define KVM_CAP_ASYNC_PF 59 544 545 #ifdef KVM_CAP_IRQ_ROUTING 546 547 struct kvm_irq_routing_irqchip { 548 __u32 irqchip; 549 __u32 pin; 550 }; 551 552 struct kvm_irq_routing_msi { 553 __u32 address_lo; 554 __u32 address_hi; 555 __u32 data; 556 __u32 pad; 557 }; 558 559 /* gsi routing entry types */ 560 #define KVM_IRQ_ROUTING_IRQCHIP 1 561 #define KVM_IRQ_ROUTING_MSI 2 562 563 struct kvm_irq_routing_entry { 564 __u32 gsi; 565 __u32 type; 566 __u32 flags; 567 __u32 pad; 568 union { 569 struct kvm_irq_routing_irqchip irqchip; 570 struct kvm_irq_routing_msi msi; 571 __u32 pad[8]; 572 } u; 573 }; 574 575 struct kvm_irq_routing { 576 __u32 nr; 577 __u32 flags; 578 struct kvm_irq_routing_entry entries[0]; 579 }; 580 581 #endif 582 583 #ifdef KVM_CAP_MCE 584 /* x86 MCE */ 585 struct kvm_x86_mce { 586 __u64 status; 587 __u64 addr; 588 __u64 misc; 589 __u64 mcg_status; 590 __u8 bank; 591 __u8 pad1[7]; 592 __u64 pad2[3]; 593 }; 594 #endif 595 596 #ifdef KVM_CAP_XEN_HVM 597 struct kvm_xen_hvm_config { 598 __u32 flags; 599 __u32 msr; 600 __u64 blob_addr_32; 601 __u64 blob_addr_64; 602 __u8 blob_size_32; 603 __u8 blob_size_64; 604 __u8 pad2[30]; 605 }; 606 #endif 607 608 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 609 610 struct kvm_irqfd { 611 __u32 fd; 612 __u32 gsi; 613 __u32 flags; 614 __u8 pad[20]; 615 }; 616 617 struct kvm_clock_data { 618 __u64 clock; 619 __u32 flags; 620 __u32 pad[9]; 621 }; 622 623 /* 624 * ioctls for VM fds 625 */ 626 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 627 /* 628 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 629 * a vcpu fd. 630 */ 631 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 632 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 633 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 634 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 635 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 636 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 637 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 638 struct kvm_userspace_memory_region) 639 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 640 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 641 /* Device model IOC */ 642 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 643 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 644 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 645 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 646 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 647 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 648 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 649 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 650 #define KVM_REGISTER_COALESCED_MMIO \ 651 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 652 #define KVM_UNREGISTER_COALESCED_MMIO \ 653 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 654 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 655 struct kvm_assigned_pci_dev) 656 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 657 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 658 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 659 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 660 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 661 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 662 struct kvm_assigned_pci_dev) 663 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 664 struct kvm_assigned_msix_nr) 665 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 666 struct kvm_assigned_msix_entry) 667 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 668 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 669 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 670 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 671 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 672 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 673 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 674 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 675 /* Available with KVM_CAP_PIT_STATE2 */ 676 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 677 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 678 /* Available with KVM_CAP_PPC_GET_PVINFO */ 679 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 680 681 /* 682 * ioctls for vcpu fds 683 */ 684 #define KVM_RUN _IO(KVMIO, 0x80) 685 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 686 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 687 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 688 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 689 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 690 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 691 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 692 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 693 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 694 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 695 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 696 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 697 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 698 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 699 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 700 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 701 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 702 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 703 /* Available with KVM_CAP_VAPIC */ 704 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 705 /* Available with KVM_CAP_VAPIC */ 706 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 707 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 708 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 709 /* store status for s390 */ 710 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 711 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 712 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 713 /* initial ipl psw for s390 */ 714 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 715 /* initial reset for s390 */ 716 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 717 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 718 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 719 /* Available with KVM_CAP_NMI */ 720 #define KVM_NMI _IO(KVMIO, 0x9a) 721 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 722 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 723 /* MCE for x86 */ 724 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 725 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 726 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 727 /* IA64 stack access */ 728 #define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *) 729 #define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *) 730 /* Available with KVM_CAP_VCPU_EVENTS */ 731 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 732 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 733 /* Available with KVM_CAP_DEBUGREGS */ 734 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 735 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 736 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 737 /* Available with KVM_CAP_XSAVE */ 738 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 739 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 740 /* Available with KVM_CAP_XCRS */ 741 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 742 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 743 744 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 745 746 struct kvm_assigned_pci_dev { 747 __u32 assigned_dev_id; 748 __u32 busnr; 749 __u32 devfn; 750 __u32 flags; 751 __u32 segnr; 752 union { 753 __u32 reserved[11]; 754 }; 755 }; 756 757 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 758 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 759 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 760 761 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 762 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 763 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 764 765 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 766 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 767 768 struct kvm_assigned_irq { 769 __u32 assigned_dev_id; 770 __u32 host_irq; 771 __u32 guest_irq; 772 __u32 flags; 773 union { 774 struct { 775 __u32 addr_lo; 776 __u32 addr_hi; 777 __u32 data; 778 } guest_msi; 779 __u32 reserved[12]; 780 }; 781 }; 782 783 784 struct kvm_assigned_msix_nr { 785 __u32 assigned_dev_id; 786 __u16 entry_nr; 787 __u16 padding; 788 }; 789 790 #define KVM_MAX_MSIX_PER_DEV 256 791 struct kvm_assigned_msix_entry { 792 __u32 assigned_dev_id; 793 __u32 gsi; 794 __u16 entry; /* The index of entry in the MSI-X table */ 795 __u16 padding[3]; 796 }; 797 798 #endif /* __LINUX_KVM_H */ 799