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