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