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