include/linux/kvm.h

   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 */