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 #define KVM_EXIT_PAPR_HCALL       19
 165
 166 /* For KVM_EXIT_INTERNAL_ERROR */
 167 #define KVM_INTERNAL_ERROR_EMULATION 1
 168 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
 169
 170 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 171 struct kvm_run {
 172         /* in */
 173         __u8 request_interrupt_window;
 174         __u8 padding1[7];
 175
 176         /* out */
 177         __u32 exit_reason;
 178         __u8 ready_for_interrupt_injection;
 179         __u8 if_flag;
 180         __u8 padding2[2];
 181
 182         /* in (pre_kvm_run), out (post_kvm_run) */
 183         __u64 cr8;
 184         __u64 apic_base;
 185
 186 #ifdef __KVM_S390
 187         /* the processor status word for s390 */
 188         __u64 psw_mask; /* psw upper half */
 189         __u64 psw_addr; /* psw lower half */
 190 #endif
 191         union {
 192                 /* KVM_EXIT_UNKNOWN */
 193                 struct {
 194                         __u64 hardware_exit_reason;
 195                 } hw;
 196                 /* KVM_EXIT_FAIL_ENTRY */
 197                 struct {
 198                         __u64 hardware_entry_failure_reason;
 199                 } fail_entry;
 200                 /* KVM_EXIT_EXCEPTION */
 201                 struct {
 202                         __u32 exception;
 203                         __u32 error_code;
 204                 } ex;
 205                 /* KVM_EXIT_IO */
 206                 struct {
 207 #define KVM_EXIT_IO_IN  0
 208 #define KVM_EXIT_IO_OUT 1
 209                         __u8 direction;
 210                         __u8 size; /* bytes */
 211                         __u16 port;
 212                         __u32 count;
 213                         __u64 data_offset; /* relative to kvm_run start */
 214                 } io;
 215                 struct {
 216                         struct kvm_debug_exit_arch arch;
 217                 } debug;
 218                 /* KVM_EXIT_MMIO */
 219                 struct {
 220                         __u64 phys_addr;
 221                         __u8  data[8];
 222                         __u32 len;
 223                         __u8  is_write;
 224                 } mmio;
 225                 /* KVM_EXIT_HYPERCALL */
 226                 struct {
 227                         __u64 nr;
 228                         __u64 args[6];
 229                         __u64 ret;
 230                         __u32 longmode;
 231                         __u32 pad;
 232                 } hypercall;
 233                 /* KVM_EXIT_TPR_ACCESS */
 234                 struct {
 235                         __u64 rip;
 236                         __u32 is_write;
 237                         __u32 pad;
 238                 } tpr_access;
 239                 /* KVM_EXIT_S390_SIEIC */
 240                 struct {
 241                         __u8 icptcode;
 242                         __u16 ipa;
 243                         __u32 ipb;
 244                 } s390_sieic;
 245                 /* KVM_EXIT_S390_RESET */
 246 #define KVM_S390_RESET_POR       1
 247 #define KVM_S390_RESET_CLEAR     2
 248 #define KVM_S390_RESET_SUBSYSTEM 4
 249 #define KVM_S390_RESET_CPU_INIT  8
 250 #define KVM_S390_RESET_IPL       16
 251                 __u64 s390_reset_flags;
 252                 /* KVM_EXIT_DCR */
 253                 struct {
 254                         __u32 dcrn;
 255                         __u32 data;
 256                         __u8  is_write;
 257                 } dcr;
 258                 struct {
 259                         __u32 suberror;
 260                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 261                         __u32 ndata;
 262                         __u64 data[16];
 263                 } internal;
 264                 /* KVM_EXIT_OSI */
 265                 struct {
 266                         __u64 gprs[32];
 267                 } osi;
 268                 struct {
 269                         __u64 nr;
 270                         __u64 ret;
 271                         __u64 args[9];
 272                 } papr_hcall;
 273                 /* Fix the size of the union. */
 274                 char padding[256];
 275         };
 276 };
 277
 278 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 279
 280 struct kvm_coalesced_mmio_zone {
 281         __u64 addr;
 282         __u32 size;
 283         __u32 pad;
 284 };
 285
 286 struct kvm_coalesced_mmio {
 287         __u64 phys_addr;
 288         __u32 len;
 289         __u32 pad;
 290         __u8  data[8];
 291 };
 292
 293 struct kvm_coalesced_mmio_ring {
 294         __u32 first, last;
 295         struct kvm_coalesced_mmio coalesced_mmio[0];
 296 };
 297
 298 #define KVM_COALESCED_MMIO_MAX \
 299         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 300          sizeof(struct kvm_coalesced_mmio))
 301
 302 /* for KVM_TRANSLATE */
 303 struct kvm_translation {
 304         /* in */
 305         __u64 linear_address;
 306
 307         /* out */
 308         __u64 physical_address;
 309         __u8  valid;
 310         __u8  writeable;
 311         __u8  usermode;
 312         __u8  pad[5];
 313 };
 314
 315 /* for KVM_INTERRUPT */
 316 struct kvm_interrupt {
 317         /* in */
 318         __u32 irq;
 319 };
 320
 321 /* for KVM_GET_DIRTY_LOG */
 322 struct kvm_dirty_log {
 323         __u32 slot;
 324         __u32 padding1;
 325         union {
 326                 void __user *dirty_bitmap; /* one bit per page */
 327                 __u64 padding2;
 328         };
 329 };
 330
 331 /* for KVM_SET_SIGNAL_MASK */
 332 struct kvm_signal_mask {
 333         __u32 len;
 334         __u8  sigset[0];
 335 };
 336
 337 /* for KVM_TPR_ACCESS_REPORTING */
 338 struct kvm_tpr_access_ctl {
 339         __u32 enabled;
 340         __u32 flags;
 341         __u32 reserved[8];
 342 };
 343
 344 /* for KVM_SET_VAPIC_ADDR */
 345 struct kvm_vapic_addr {
 346         __u64 vapic_addr;
 347 };
 348
 349 /* for KVM_SET_MPSTATE */
 350
 351 #define KVM_MP_STATE_RUNNABLE          0
 352 #define KVM_MP_STATE_UNINITIALIZED     1
 353 #define KVM_MP_STATE_INIT_RECEIVED     2
 354 #define KVM_MP_STATE_HALTED            3
 355 #define KVM_MP_STATE_SIPI_RECEIVED     4
 356
 357 struct kvm_mp_state {
 358         __u32 mp_state;
 359 };
 360
 361 struct kvm_s390_psw {
 362         __u64 mask;
 363         __u64 addr;
 364 };
 365
 366 /* valid values for type in kvm_s390_interrupt */
 367 #define KVM_S390_SIGP_STOP              0xfffe0000u
 368 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 369 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 370 #define KVM_S390_RESTART                0xfffe0003u
 371 #define KVM_S390_INT_VIRTIO             0xffff2603u
 372 #define KVM_S390_INT_SERVICE            0xffff2401u
 373 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 374 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 375
 376 struct kvm_s390_interrupt {
 377         __u32 type;
 378         __u32 parm;
 379         __u64 parm64;
 380 };
 381
 382 /* for KVM_SET_GUEST_DEBUG */
 383
 384 #define KVM_GUESTDBG_ENABLE             0x00000001
 385 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 386
 387 struct kvm_guest_debug {
 388         __u32 control;
 389         __u32 pad;
 390         struct kvm_guest_debug_arch arch;
 391 };
 392
 393 enum {
 394         kvm_ioeventfd_flag_nr_datamatch,
 395         kvm_ioeventfd_flag_nr_pio,
 396         kvm_ioeventfd_flag_nr_deassign,
 397         kvm_ioeventfd_flag_nr_max,
 398 };
 399
 400 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 401 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 402 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 403
 404 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 405
 406 struct kvm_ioeventfd {
 407         __u64 datamatch;
 408         __u64 addr;        /* legal pio/mmio address */
 409         __u32 len;         /* 1, 2, 4, or 8 bytes    */
 410         __s32 fd;
 411         __u32 flags;
 412         __u8  pad[36];
 413 };
 414
 415 /* for KVM_ENABLE_CAP */
 416 struct kvm_enable_cap {
 417         /* in */
 418         __u32 cap;
 419         __u32 flags;
 420         __u64 args[4];
 421         __u8  pad[64];
 422 };
 423
 424 /* for KVM_PPC_GET_PVINFO */
 425 struct kvm_ppc_pvinfo {
 426         /* out */
 427         __u32 flags;
 428         __u32 hcall[4];
 429         __u8  pad[108];
 430 };
 431
 432 #define KVMIO 0xAE
 433
 434 /*
 435  * ioctls for /dev/kvm fds:
 436  */
 437 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 438 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 439 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 440
 441 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 442 /*
 443  * Check if a kvm extension is available.  Argument is extension number,
 444  * return is 1 (yes) or 0 (no, sorry).
 445  */
 446 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 447 /*
 448  * Get size for mmap(vcpu_fd)
 449  */
 450 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 451 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 452 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 453 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 454 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 455
 456 /*
 457  * Extension capability list.
 458  */
 459 #define KVM_CAP_IRQCHIP   0
 460 #define KVM_CAP_HLT       1
 461 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 462 #define KVM_CAP_USER_MEMORY 3
 463 #define KVM_CAP_SET_TSS_ADDR 4
 464 #define KVM_CAP_VAPIC 6
 465 #define KVM_CAP_EXT_CPUID 7
 466 #define KVM_CAP_CLOCKSOURCE 8
 467 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 468 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 469 #define KVM_CAP_PIT 11
 470 #define KVM_CAP_NOP_IO_DELAY 12
 471 #define KVM_CAP_PV_MMU 13
 472 #define KVM_CAP_MP_STATE 14
 473 #define KVM_CAP_COALESCED_MMIO 15
 474 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 475 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 476 #define KVM_CAP_DEVICE_ASSIGNMENT 17
 477 #endif
 478 #define KVM_CAP_IOMMU 18
 479 #ifdef __KVM_HAVE_MSI
 480 #define KVM_CAP_DEVICE_MSI 20
 481 #endif
 482 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 483 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 484 #ifdef __KVM_HAVE_USER_NMI
 485 #define KVM_CAP_USER_NMI 22
 486 #endif
 487 #ifdef __KVM_HAVE_GUEST_DEBUG
 488 #define KVM_CAP_SET_GUEST_DEBUG 23
 489 #endif
 490 #ifdef __KVM_HAVE_PIT
 491 #define KVM_CAP_REINJECT_CONTROL 24
 492 #endif
 493 #ifdef __KVM_HAVE_IOAPIC
 494 #define KVM_CAP_IRQ_ROUTING 25
 495 #endif
 496 #define KVM_CAP_IRQ_INJECT_STATUS 26
 497 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 498 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
 499 #endif
 500 #ifdef __KVM_HAVE_MSIX
 501 #define KVM_CAP_DEVICE_MSIX 28
 502 #endif
 503 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 504 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 505 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 506 #ifdef __KVM_HAVE_MCE
 507 #define KVM_CAP_MCE 31
 508 #endif
 509 #define KVM_CAP_IRQFD 32
 510 #ifdef __KVM_HAVE_PIT
 511 #define KVM_CAP_PIT2 33
 512 #endif
 513 #define KVM_CAP_SET_BOOT_CPU_ID 34
 514 #ifdef __KVM_HAVE_PIT_STATE2
 515 #define KVM_CAP_PIT_STATE2 35
 516 #endif
 517 #define KVM_CAP_IOEVENTFD 36
 518 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 519 #ifdef __KVM_HAVE_XEN_HVM
 520 #define KVM_CAP_XEN_HVM 38
 521 #endif
 522 #define KVM_CAP_ADJUST_CLOCK 39
 523 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 524 #ifdef __KVM_HAVE_VCPU_EVENTS
 525 #define KVM_CAP_VCPU_EVENTS 41
 526 #endif
 527 #define KVM_CAP_S390_PSW 42
 528 #define KVM_CAP_PPC_SEGSTATE 43
 529 #define KVM_CAP_HYPERV 44
 530 #define KVM_CAP_HYPERV_VAPIC 45
 531 #define KVM_CAP_HYPERV_SPIN 46
 532 #define KVM_CAP_PCI_SEGMENT 47
 533 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 534 #define KVM_CAP_INTR_SHADOW 49
 535 #ifdef __KVM_HAVE_DEBUGREGS
 536 #define KVM_CAP_DEBUGREGS 50
 537 #endif
 538 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 539 #define KVM_CAP_PPC_OSI 52
 540 #define KVM_CAP_PPC_UNSET_IRQ 53
 541 #define KVM_CAP_ENABLE_CAP 54
 542 #ifdef __KVM_HAVE_XSAVE
 543 #define KVM_CAP_XSAVE 55
 544 #endif
 545 #ifdef __KVM_HAVE_XCRS
 546 #define KVM_CAP_XCRS 56
 547 #endif
 548 #define KVM_CAP_PPC_GET_PVINFO 57
 549 #define KVM_CAP_PPC_IRQ_LEVEL 58
 550 #define KVM_CAP_ASYNC_PF 59
 551 #define KVM_CAP_TSC_CONTROL 60
 552 #define KVM_CAP_GET_TSC_KHZ 61
 553 #define KVM_CAP_PPC_BOOKE_SREGS 62
 554 #define KVM_CAP_SPAPR_TCE 63
 555 #define KVM_CAP_PPC_SMT 64
 556 #define KVM_CAP_PPC_RMA 65
 557 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 558 #define KVM_CAP_PPC_PAPR 68
 559 #define KVM_CAP_S390_GMAP 71
 560 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 561
 562 #ifdef KVM_CAP_IRQ_ROUTING
 563
 564 struct kvm_irq_routing_irqchip {
 565         __u32 irqchip;
 566         __u32 pin;
 567 };
 568
 569 struct kvm_irq_routing_msi {
 570         __u32 address_lo;
 571         __u32 address_hi;
 572         __u32 data;
 573         __u32 pad;
 574 };
 575
 576 /* gsi routing entry types */
 577 #define KVM_IRQ_ROUTING_IRQCHIP 1
 578 #define KVM_IRQ_ROUTING_MSI 2
 579
 580 struct kvm_irq_routing_entry {
 581         __u32 gsi;
 582         __u32 type;
 583         __u32 flags;
 584         __u32 pad;
 585         union {
 586                 struct kvm_irq_routing_irqchip irqchip;
 587                 struct kvm_irq_routing_msi msi;
 588                 __u32 pad[8];
 589         } u;
 590 };
 591
 592 struct kvm_irq_routing {
 593         __u32 nr;
 594         __u32 flags;
 595         struct kvm_irq_routing_entry entries[0];
 596 };
 597
 598 #endif
 599
 600 #ifdef KVM_CAP_MCE
 601 /* x86 MCE */
 602 struct kvm_x86_mce {
 603         __u64 status;
 604         __u64 addr;
 605         __u64 misc;
 606         __u64 mcg_status;
 607         __u8 bank;
 608         __u8 pad1[7];
 609         __u64 pad2[3];
 610 };
 611 #endif
 612
 613 #ifdef KVM_CAP_XEN_HVM
 614 struct kvm_xen_hvm_config {
 615         __u32 flags;
 616         __u32 msr;
 617         __u64 blob_addr_32;
 618         __u64 blob_addr_64;
 619         __u8 blob_size_32;
 620         __u8 blob_size_64;
 621         __u8 pad2[30];
 622 };
 623 #endif
 624
 625 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
 626
 627 struct kvm_irqfd {
 628         __u32 fd;
 629         __u32 gsi;
 630         __u32 flags;
 631         __u8  pad[20];
 632 };
 633
 634 struct kvm_clock_data {
 635         __u64 clock;
 636         __u32 flags;
 637         __u32 pad[9];
 638 };
 639
 640 /*
 641  * ioctls for VM fds
 642  */
 643 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
 644 /*
 645  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
 646  * a vcpu fd.
 647  */
 648 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
 649 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
 650 /* KVM_SET_MEMORY_ALIAS is obsolete: */
 651 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
 652 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
 653 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
 654 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
 655                                         struct kvm_userspace_memory_region)
 656 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
 657 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
 658 /* Device model IOC */
 659 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
 660 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
 661 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
 662 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
 663 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
 664 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
 665 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
 666 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
 667 #define KVM_REGISTER_COALESCED_MMIO \
 668                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
 669 #define KVM_UNREGISTER_COALESCED_MMIO \
 670                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
 671 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
 672                                        struct kvm_assigned_pci_dev)
 673 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
 674 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
 675 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
 676 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
 677 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
 678 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
 679                                        struct kvm_assigned_pci_dev)
 680 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
 681                                        struct kvm_assigned_msix_nr)
 682 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
 683                                        struct kvm_assigned_msix_entry)
 684 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
 685 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
 686 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
 687 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
 688 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
 689 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
 690 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
 691 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
 692 /* Available with KVM_CAP_PIT_STATE2 */
 693 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
 694 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
 695 /* Available with KVM_CAP_PPC_GET_PVINFO */
 696 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
 697 /* Available with KVM_CAP_TSC_CONTROL */
 698 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
 699 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
 700
 701 /*
 702  * ioctls for vcpu fds
 703  */
 704 #define KVM_RUN                   _IO(KVMIO,   0x80)
 705 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
 706 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
 707 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
 708 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
 709 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
 710 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
 711 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
 712 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
 713 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
 714 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
 715 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
 716 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
 717 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
 718 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
 719 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
 720 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
 721 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
 722 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
 723 /* Available with KVM_CAP_VAPIC */
 724 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
 725 /* Available with KVM_CAP_VAPIC */
 726 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
 727 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
 728 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
 729 /* store status for s390 */
 730 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
 731 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
 732 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
 733 /* initial ipl psw for s390 */
 734 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
 735 /* initial reset for s390 */
 736 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
 737 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
 738 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 739 /* Available with KVM_CAP_NMI */
 740 #define KVM_NMI                   _IO(KVMIO,   0x9a)
 741 /* Available with KVM_CAP_SET_GUEST_DEBUG */
 742 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
 743 /* MCE for x86 */
 744 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
 745 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
 746 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
 747 /* IA64 stack access */
 748 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
 749 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
 750 /* Available with KVM_CAP_VCPU_EVENTS */
 751 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
 752 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
 753 /* Available with KVM_CAP_DEBUGREGS */
 754 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
 755 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
 756 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
 757 /* Available with KVM_CAP_XSAVE */
 758 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
 759 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
 760 /* Available with KVM_CAP_XCRS */
 761 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
 762 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
 763 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
 764 /* Available with KVM_CAP_RMA */
 765 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
 766
 767 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 768
 769 struct kvm_assigned_pci_dev {
 770         __u32 assigned_dev_id;
 771         __u32 busnr;
 772         __u32 devfn;
 773         __u32 flags;
 774         __u32 segnr;
 775         union {
 776                 __u32 reserved[11];
 777         };
 778 };
 779
 780 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
 781 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
 782 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
 783
 784 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
 785 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
 786 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
 787
 788 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
 789 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
 790
 791 struct kvm_assigned_irq {
 792         __u32 assigned_dev_id;
 793         __u32 host_irq; /* ignored (legacy field) */
 794         __u32 guest_irq;
 795         __u32 flags;
 796         union {
 797                 __u32 reserved[12];
 798         };
 799 };
 800
 801 struct kvm_assigned_msix_nr {
 802         __u32 assigned_dev_id;
 803         __u16 entry_nr;
 804         __u16 padding;
 805 };
 806
 807 #define KVM_MAX_MSIX_PER_DEV            256
 808 struct kvm_assigned_msix_entry {
 809         __u32 assigned_dev_id;
 810         __u32 gsi;
 811         __u16 entry; /* The index of entry in the MSI-X table */
 812         __u16 padding[3];
 813 };
 814
 815 #endif /* __LINUX_KVM_H */