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 /*
 105  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
 106  * other bits are reserved for kvm internal use which are defined in
 107  * include/linux/kvm_host.h.
 108  */
 109 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
 110 #define KVM_MEM_READONLY        (1UL << 1)
 111
 112 /* for KVM_IRQ_LINE */
 113 struct kvm_irq_level {
 114         /*
 115          * ACPI gsi notion of irq.
 116          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
 117          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
 118          */
 119         union {
 120                 __u32 irq;
 121                 __s32 status;
 122         };
 123         __u32 level;
 124 };
 125
 126
 127 struct kvm_irqchip {
 128         __u32 chip_id;
 129         __u32 pad;
 130         union {
 131                 char dummy[512];  /* reserving space */
 132 #ifdef __KVM_HAVE_PIT
 133                 struct kvm_pic_state pic;
 134 #endif
 135 #ifdef __KVM_HAVE_IOAPIC
 136                 struct kvm_ioapic_state ioapic;
 137 #endif
 138         } chip;
 139 };
 140
 141 /* for KVM_CREATE_PIT2 */
 142 struct kvm_pit_config {
 143         __u32 flags;
 144         __u32 pad[15];
 145 };
 146
 147 #define KVM_PIT_SPEAKER_DUMMY     1
 148
 149 #define KVM_EXIT_UNKNOWN          0
 150 #define KVM_EXIT_EXCEPTION        1
 151 #define KVM_EXIT_IO               2
 152 #define KVM_EXIT_HYPERCALL        3
 153 #define KVM_EXIT_DEBUG            4
 154 #define KVM_EXIT_HLT              5
 155 #define KVM_EXIT_MMIO             6
 156 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 157 #define KVM_EXIT_SHUTDOWN         8
 158 #define KVM_EXIT_FAIL_ENTRY       9
 159 #define KVM_EXIT_INTR             10
 160 #define KVM_EXIT_SET_TPR          11
 161 #define KVM_EXIT_TPR_ACCESS       12
 162 #define KVM_EXIT_S390_SIEIC       13
 163 #define KVM_EXIT_S390_RESET       14
 164 #define KVM_EXIT_DCR              15
 165 #define KVM_EXIT_NMI              16
 166 #define KVM_EXIT_INTERNAL_ERROR   17
 167 #define KVM_EXIT_OSI              18
 168 #define KVM_EXIT_PAPR_HCALL       19
 169 #define KVM_EXIT_S390_UCONTROL    20
 170
 171 /* For KVM_EXIT_INTERNAL_ERROR */
 172 #define KVM_INTERNAL_ERROR_EMULATION 1
 173 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
 174
 175 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 176 struct kvm_run {
 177         /* in */
 178         __u8 request_interrupt_window;
 179         __u8 padding1[7];
 180
 181         /* out */
 182         __u32 exit_reason;
 183         __u8 ready_for_interrupt_injection;
 184         __u8 if_flag;
 185         __u8 padding2[2];
 186
 187         /* in (pre_kvm_run), out (post_kvm_run) */
 188         __u64 cr8;
 189         __u64 apic_base;
 190
 191 #ifdef __KVM_S390
 192         /* the processor status word for s390 */
 193         __u64 psw_mask; /* psw upper half */
 194         __u64 psw_addr; /* psw lower half */
 195 #endif
 196         union {
 197                 /* KVM_EXIT_UNKNOWN */
 198                 struct {
 199                         __u64 hardware_exit_reason;
 200                 } hw;
 201                 /* KVM_EXIT_FAIL_ENTRY */
 202                 struct {
 203                         __u64 hardware_entry_failure_reason;
 204                 } fail_entry;
 205                 /* KVM_EXIT_EXCEPTION */
 206                 struct {
 207                         __u32 exception;
 208                         __u32 error_code;
 209                 } ex;
 210                 /* KVM_EXIT_IO */
 211                 struct {
 212 #define KVM_EXIT_IO_IN  0
 213 #define KVM_EXIT_IO_OUT 1
 214                         __u8 direction;
 215                         __u8 size; /* bytes */
 216                         __u16 port;
 217                         __u32 count;
 218                         __u64 data_offset; /* relative to kvm_run start */
 219                 } io;
 220                 struct {
 221                         struct kvm_debug_exit_arch arch;
 222                 } debug;
 223                 /* KVM_EXIT_MMIO */
 224                 struct {
 225                         __u64 phys_addr;
 226                         __u8  data[8];
 227                         __u32 len;
 228                         __u8  is_write;
 229                 } mmio;
 230                 /* KVM_EXIT_HYPERCALL */
 231                 struct {
 232                         __u64 nr;
 233                         __u64 args[6];
 234                         __u64 ret;
 235                         __u32 longmode;
 236                         __u32 pad;
 237                 } hypercall;
 238                 /* KVM_EXIT_TPR_ACCESS */
 239                 struct {
 240                         __u64 rip;
 241                         __u32 is_write;
 242                         __u32 pad;
 243                 } tpr_access;
 244                 /* KVM_EXIT_S390_SIEIC */
 245                 struct {
 246                         __u8 icptcode;
 247                         __u16 ipa;
 248                         __u32 ipb;
 249                 } s390_sieic;
 250                 /* KVM_EXIT_S390_RESET */
 251 #define KVM_S390_RESET_POR       1
 252 #define KVM_S390_RESET_CLEAR     2
 253 #define KVM_S390_RESET_SUBSYSTEM 4
 254 #define KVM_S390_RESET_CPU_INIT  8
 255 #define KVM_S390_RESET_IPL       16
 256                 __u64 s390_reset_flags;
 257                 /* KVM_EXIT_S390_UCONTROL */
 258                 struct {
 259                         __u64 trans_exc_code;
 260                         __u32 pgm_code;
 261                 } s390_ucontrol;
 262                 /* KVM_EXIT_DCR */
 263                 struct {
 264                         __u32 dcrn;
 265                         __u32 data;
 266                         __u8  is_write;
 267                 } dcr;
 268                 struct {
 269                         __u32 suberror;
 270                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 271                         __u32 ndata;
 272                         __u64 data[16];
 273                 } internal;
 274                 /* KVM_EXIT_OSI */
 275                 struct {
 276                         __u64 gprs[32];
 277                 } osi;
 278                 struct {
 279                         __u64 nr;
 280                         __u64 ret;
 281                         __u64 args[9];
 282                 } papr_hcall;
 283                 /* Fix the size of the union. */
 284                 char padding[256];
 285         };
 286
 287         /*
 288          * shared registers between kvm and userspace.
 289          * kvm_valid_regs specifies the register classes set by the host
 290          * kvm_dirty_regs specified the register classes dirtied by userspace
 291          * struct kvm_sync_regs is architecture specific, as well as the
 292          * bits for kvm_valid_regs and kvm_dirty_regs
 293          */
 294         __u64 kvm_valid_regs;
 295         __u64 kvm_dirty_regs;
 296         union {
 297                 struct kvm_sync_regs regs;
 298                 char padding[1024];
 299         } s;
 300 };
 301
 302 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 303
 304 struct kvm_coalesced_mmio_zone {
 305         __u64 addr;
 306         __u32 size;
 307         __u32 pad;
 308 };
 309
 310 struct kvm_coalesced_mmio {
 311         __u64 phys_addr;
 312         __u32 len;
 313         __u32 pad;
 314         __u8  data[8];
 315 };
 316
 317 struct kvm_coalesced_mmio_ring {
 318         __u32 first, last;
 319         struct kvm_coalesced_mmio coalesced_mmio[0];
 320 };
 321
 322 #define KVM_COALESCED_MMIO_MAX \
 323         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 324          sizeof(struct kvm_coalesced_mmio))
 325
 326 /* for KVM_TRANSLATE */
 327 struct kvm_translation {
 328         /* in */
 329         __u64 linear_address;
 330
 331         /* out */
 332         __u64 physical_address;
 333         __u8  valid;
 334         __u8  writeable;
 335         __u8  usermode;
 336         __u8  pad[5];
 337 };
 338
 339 /* for KVM_INTERRUPT */
 340 struct kvm_interrupt {
 341         /* in */
 342         __u32 irq;
 343 };
 344
 345 /* for KVM_GET_DIRTY_LOG */
 346 struct kvm_dirty_log {
 347         __u32 slot;
 348         __u32 padding1;
 349         union {
 350                 void __user *dirty_bitmap; /* one bit per page */
 351                 __u64 padding2;
 352         };
 353 };
 354
 355 /* for KVM_SET_SIGNAL_MASK */
 356 struct kvm_signal_mask {
 357         __u32 len;
 358         __u8  sigset[0];
 359 };
 360
 361 /* for KVM_TPR_ACCESS_REPORTING */
 362 struct kvm_tpr_access_ctl {
 363         __u32 enabled;
 364         __u32 flags;
 365         __u32 reserved[8];
 366 };
 367
 368 /* for KVM_SET_VAPIC_ADDR */
 369 struct kvm_vapic_addr {
 370         __u64 vapic_addr;
 371 };
 372
 373 /* for KVM_SET_MPSTATE */
 374
 375 #define KVM_MP_STATE_RUNNABLE          0
 376 #define KVM_MP_STATE_UNINITIALIZED     1
 377 #define KVM_MP_STATE_INIT_RECEIVED     2
 378 #define KVM_MP_STATE_HALTED            3
 379 #define KVM_MP_STATE_SIPI_RECEIVED     4
 380
 381 struct kvm_mp_state {
 382         __u32 mp_state;
 383 };
 384
 385 struct kvm_s390_psw {
 386         __u64 mask;
 387         __u64 addr;
 388 };
 389
 390 /* valid values for type in kvm_s390_interrupt */
 391 #define KVM_S390_SIGP_STOP              0xfffe0000u
 392 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 393 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 394 #define KVM_S390_RESTART                0xfffe0003u
 395 #define KVM_S390_INT_VIRTIO             0xffff2603u
 396 #define KVM_S390_INT_SERVICE            0xffff2401u
 397 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 398 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 399
 400 struct kvm_s390_interrupt {
 401         __u32 type;
 402         __u32 parm;
 403         __u64 parm64;
 404 };
 405
 406 /* for KVM_SET_GUEST_DEBUG */
 407
 408 #define KVM_GUESTDBG_ENABLE             0x00000001
 409 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 410
 411 struct kvm_guest_debug {
 412         __u32 control;
 413         __u32 pad;
 414         struct kvm_guest_debug_arch arch;
 415 };
 416
 417 enum {
 418         kvm_ioeventfd_flag_nr_datamatch,
 419         kvm_ioeventfd_flag_nr_pio,
 420         kvm_ioeventfd_flag_nr_deassign,
 421         kvm_ioeventfd_flag_nr_max,
 422 };
 423
 424 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 425 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 426 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 427
 428 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 429
 430 struct kvm_ioeventfd {
 431         __u64 datamatch;
 432         __u64 addr;        /* legal pio/mmio address */
 433         __u32 len;         /* 1, 2, 4, or 8 bytes    */
 434         __s32 fd;
 435         __u32 flags;
 436         __u8  pad[36];
 437 };
 438
 439 /* for KVM_ENABLE_CAP */
 440 struct kvm_enable_cap {
 441         /* in */
 442         __u32 cap;
 443         __u32 flags;
 444         __u64 args[4];
 445         __u8  pad[64];
 446 };
 447
 448 /* for KVM_PPC_GET_PVINFO */
 449 struct kvm_ppc_pvinfo {
 450         /* out */
 451         __u32 flags;
 452         __u32 hcall[4];
 453         __u8  pad[108];
 454 };
 455
 456 /* for KVM_PPC_GET_SMMU_INFO */
 457 #define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 458
 459 struct kvm_ppc_one_page_size {
 460         __u32 page_shift;       /* Page shift (or 0) */
 461         __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 462 };
 463
 464 struct kvm_ppc_one_seg_page_size {
 465         __u32 page_shift;       /* Base page shift of segment (or 0) */
 466         __u32 slb_enc;          /* SLB encoding for BookS */
 467         struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 468 };
 469
 470 #define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 471 #define KVM_PPC_1T_SEGMENTS             0x00000002
 472
 473 struct kvm_ppc_smmu_info {
 474         __u64 flags;
 475         __u32 slb_size;
 476         __u32 pad;
 477         struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 478 };
 479
 480 #define KVMIO 0xAE
 481
 482 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 483 #define KVM_VM_S390_UCONTROL    1
 484
 485 #define KVM_S390_SIE_PAGE_OFFSET 1
 486
 487 /*
 488  * ioctls for /dev/kvm fds:
 489  */
 490 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 491 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 492 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 493
 494 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 495 /*
 496  * Check if a kvm extension is available.  Argument is extension number,
 497  * return is 1 (yes) or 0 (no, sorry).
 498  */
 499 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 500 /*
 501  * Get size for mmap(vcpu_fd)
 502  */
 503 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 504 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 505 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 506 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 507 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 508
 509 /*
 510  * Extension capability list.
 511  */
 512 #define KVM_CAP_IRQCHIP   0
 513 #define KVM_CAP_HLT       1
 514 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 515 #define KVM_CAP_USER_MEMORY 3
 516 #define KVM_CAP_SET_TSS_ADDR 4
 517 #define KVM_CAP_VAPIC 6
 518 #define KVM_CAP_EXT_CPUID 7
 519 #define KVM_CAP_CLOCKSOURCE 8
 520 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 521 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 522 #define KVM_CAP_PIT 11
 523 #define KVM_CAP_NOP_IO_DELAY 12
 524 #define KVM_CAP_PV_MMU 13
 525 #define KVM_CAP_MP_STATE 14
 526 #define KVM_CAP_COALESCED_MMIO 15
 527 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 528 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 529 #define KVM_CAP_DEVICE_ASSIGNMENT 17
 530 #endif
 531 #define KVM_CAP_IOMMU 18
 532 #ifdef __KVM_HAVE_MSI
 533 #define KVM_CAP_DEVICE_MSI 20
 534 #endif
 535 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 536 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 537 #ifdef __KVM_HAVE_USER_NMI
 538 #define KVM_CAP_USER_NMI 22
 539 #endif
 540 #ifdef __KVM_HAVE_GUEST_DEBUG
 541 #define KVM_CAP_SET_GUEST_DEBUG 23
 542 #endif
 543 #ifdef __KVM_HAVE_PIT
 544 #define KVM_CAP_REINJECT_CONTROL 24
 545 #endif
 546 #ifdef __KVM_HAVE_IOAPIC
 547 #define KVM_CAP_IRQ_ROUTING 25
 548 #endif
 549 #define KVM_CAP_IRQ_INJECT_STATUS 26
 550 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 551 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
 552 #endif
 553 #ifdef __KVM_HAVE_MSIX
 554 #define KVM_CAP_DEVICE_MSIX 28
 555 #endif
 556 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 557 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 558 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 559 #ifdef __KVM_HAVE_MCE
 560 #define KVM_CAP_MCE 31
 561 #endif
 562 #define KVM_CAP_IRQFD 32
 563 #ifdef __KVM_HAVE_PIT
 564 #define KVM_CAP_PIT2 33
 565 #endif
 566 #define KVM_CAP_SET_BOOT_CPU_ID 34
 567 #ifdef __KVM_HAVE_PIT_STATE2
 568 #define KVM_CAP_PIT_STATE2 35
 569 #endif
 570 #define KVM_CAP_IOEVENTFD 36
 571 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 572 #ifdef __KVM_HAVE_XEN_HVM
 573 #define KVM_CAP_XEN_HVM 38
 574 #endif
 575 #define KVM_CAP_ADJUST_CLOCK 39
 576 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 577 #ifdef __KVM_HAVE_VCPU_EVENTS
 578 #define KVM_CAP_VCPU_EVENTS 41
 579 #endif
 580 #define KVM_CAP_S390_PSW 42
 581 #define KVM_CAP_PPC_SEGSTATE 43
 582 #define KVM_CAP_HYPERV 44
 583 #define KVM_CAP_HYPERV_VAPIC 45
 584 #define KVM_CAP_HYPERV_SPIN 46
 585 #define KVM_CAP_PCI_SEGMENT 47
 586 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 587 #define KVM_CAP_INTR_SHADOW 49
 588 #ifdef __KVM_HAVE_DEBUGREGS
 589 #define KVM_CAP_DEBUGREGS 50
 590 #endif
 591 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 592 #define KVM_CAP_PPC_OSI 52
 593 #define KVM_CAP_PPC_UNSET_IRQ 53
 594 #define KVM_CAP_ENABLE_CAP 54
 595 #ifdef __KVM_HAVE_XSAVE
 596 #define KVM_CAP_XSAVE 55
 597 #endif
 598 #ifdef __KVM_HAVE_XCRS
 599 #define KVM_CAP_XCRS 56
 600 #endif
 601 #define KVM_CAP_PPC_GET_PVINFO 57
 602 #define KVM_CAP_PPC_IRQ_LEVEL 58
 603 #define KVM_CAP_ASYNC_PF 59
 604 #define KVM_CAP_TSC_CONTROL 60
 605 #define KVM_CAP_GET_TSC_KHZ 61
 606 #define KVM_CAP_PPC_BOOKE_SREGS 62
 607 #define KVM_CAP_SPAPR_TCE 63
 608 #define KVM_CAP_PPC_SMT 64
 609 #define KVM_CAP_PPC_RMA 65
 610 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 611 #define KVM_CAP_PPC_HIOR 67
 612 #define KVM_CAP_PPC_PAPR 68
 613 #define KVM_CAP_SW_TLB 69
 614 #define KVM_CAP_ONE_REG 70
 615 #define KVM_CAP_S390_GMAP 71
 616 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 617 #define KVM_CAP_S390_UCONTROL 73
 618 #define KVM_CAP_SYNC_REGS 74
 619 #define KVM_CAP_PCI_2_3 75
 620 #define KVM_CAP_KVMCLOCK_CTRL 76
 621 #define KVM_CAP_SIGNAL_MSI 77
 622 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 623 #define KVM_CAP_S390_COW 79
 624 #define KVM_CAP_PPC_ALLOC_HTAB 80
 625 #ifdef __KVM_HAVE_READONLY_MEM
 626 #define KVM_CAP_READONLY_MEM 81
 627 #endif
 628
 629 #ifdef KVM_CAP_IRQ_ROUTING
 630
 631 struct kvm_irq_routing_irqchip {
 632         __u32 irqchip;
 633         __u32 pin;
 634 };
 635
 636 struct kvm_irq_routing_msi {
 637         __u32 address_lo;
 638         __u32 address_hi;
 639         __u32 data;
 640         __u32 pad;
 641 };
 642
 643 /* gsi routing entry types */
 644 #define KVM_IRQ_ROUTING_IRQCHIP 1
 645 #define KVM_IRQ_ROUTING_MSI 2
 646
 647 struct kvm_irq_routing_entry {
 648         __u32 gsi;
 649         __u32 type;
 650         __u32 flags;
 651         __u32 pad;
 652         union {
 653                 struct kvm_irq_routing_irqchip irqchip;
 654                 struct kvm_irq_routing_msi msi;
 655                 __u32 pad[8];
 656         } u;
 657 };
 658
 659 struct kvm_irq_routing {
 660         __u32 nr;
 661         __u32 flags;
 662         struct kvm_irq_routing_entry entries[0];
 663 };
 664
 665 #endif
 666
 667 #ifdef KVM_CAP_MCE
 668 /* x86 MCE */
 669 struct kvm_x86_mce {
 670         __u64 status;
 671         __u64 addr;
 672         __u64 misc;
 673         __u64 mcg_status;
 674         __u8 bank;
 675         __u8 pad1[7];
 676         __u64 pad2[3];
 677 };
 678 #endif
 679
 680 #ifdef KVM_CAP_XEN_HVM
 681 struct kvm_xen_hvm_config {
 682         __u32 flags;
 683         __u32 msr;
 684         __u64 blob_addr_32;
 685         __u64 blob_addr_64;
 686         __u8 blob_size_32;
 687         __u8 blob_size_64;
 688         __u8 pad2[30];
 689 };
 690 #endif
 691
 692 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
 693
 694 struct kvm_irqfd {
 695         __u32 fd;
 696         __u32 gsi;
 697         __u32 flags;
 698         __u8  pad[20];
 699 };
 700
 701 struct kvm_clock_data {
 702         __u64 clock;
 703         __u32 flags;
 704         __u32 pad[9];
 705 };
 706
 707 #define KVM_MMU_FSL_BOOKE_NOHV          0
 708 #define KVM_MMU_FSL_BOOKE_HV            1
 709
 710 struct kvm_config_tlb {
 711         __u64 params;
 712         __u64 array;
 713         __u32 mmu_type;
 714         __u32 array_len;
 715 };
 716
 717 struct kvm_dirty_tlb {
 718         __u64 bitmap;
 719         __u32 num_dirty;
 720 };
 721
 722 /* Available with KVM_CAP_ONE_REG */
 723
 724 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
 725 #define KVM_REG_GENERIC         0x0000000000000000ULL
 726
 727 /*
 728  * Architecture specific registers are to be defined in arch headers and
 729  * ORed with the arch identifier.
 730  */
 731 #define KVM_REG_PPC             0x1000000000000000ULL
 732 #define KVM_REG_X86             0x2000000000000000ULL
 733 #define KVM_REG_IA64            0x3000000000000000ULL
 734 #define KVM_REG_ARM             0x4000000000000000ULL
 735 #define KVM_REG_S390            0x5000000000000000ULL
 736
 737 #define KVM_REG_SIZE_SHIFT      52
 738 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
 739 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
 740 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
 741 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
 742 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
 743 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
 744 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
 745 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
 746 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
 747
 748 struct kvm_one_reg {
 749         __u64 id;
 750         __u64 addr;
 751 };
 752
 753 struct kvm_msi {
 754         __u32 address_lo;
 755         __u32 address_hi;
 756         __u32 data;
 757         __u32 flags;
 758         __u8  pad[16];
 759 };
 760
 761 /*
 762  * ioctls for VM fds
 763  */
 764 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
 765 /*
 766  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
 767  * a vcpu fd.
 768  */
 769 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
 770 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
 771 /* KVM_SET_MEMORY_ALIAS is obsolete: */
 772 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
 773 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
 774 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
 775 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
 776                                         struct kvm_userspace_memory_region)
 777 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
 778 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
 779
 780 /* enable ucontrol for s390 */
 781 struct kvm_s390_ucas_mapping {
 782         __u64 user_addr;
 783         __u64 vcpu_addr;
 784         __u64 length;
 785 };
 786 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
 787 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
 788 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
 789
 790 /* Device model IOC */
 791 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
 792 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
 793 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
 794 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
 795 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
 796 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
 797 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
 798 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
 799 #define KVM_REGISTER_COALESCED_MMIO \
 800                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
 801 #define KVM_UNREGISTER_COALESCED_MMIO \
 802                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
 803 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
 804                                        struct kvm_assigned_pci_dev)
 805 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
 806 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
 807 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
 808 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
 809 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
 810 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
 811                                        struct kvm_assigned_pci_dev)
 812 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
 813                                        struct kvm_assigned_msix_nr)
 814 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
 815                                        struct kvm_assigned_msix_entry)
 816 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
 817 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
 818 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
 819 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
 820 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
 821 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
 822 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
 823 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
 824 /* Available with KVM_CAP_PIT_STATE2 */
 825 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
 826 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
 827 /* Available with KVM_CAP_PPC_GET_PVINFO */
 828 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
 829 /* Available with KVM_CAP_TSC_CONTROL */
 830 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
 831 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
 832 /* Available with KVM_CAP_PCI_2_3 */
 833 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
 834                                        struct kvm_assigned_pci_dev)
 835 /* Available with KVM_CAP_SIGNAL_MSI */
 836 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
 837 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
 838 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
 839 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
 840 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
 841
 842 /*
 843  * ioctls for vcpu fds
 844  */
 845 #define KVM_RUN                   _IO(KVMIO,   0x80)
 846 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
 847 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
 848 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
 849 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
 850 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
 851 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
 852 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
 853 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
 854 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
 855 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
 856 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
 857 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
 858 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
 859 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
 860 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
 861 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
 862 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
 863 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
 864 /* Available with KVM_CAP_VAPIC */
 865 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
 866 /* Available with KVM_CAP_VAPIC */
 867 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
 868 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
 869 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
 870 /* store status for s390 */
 871 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
 872 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
 873 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
 874 /* initial ipl psw for s390 */
 875 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
 876 /* initial reset for s390 */
 877 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
 878 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
 879 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 880 /* Available with KVM_CAP_NMI */
 881 #define KVM_NMI                   _IO(KVMIO,   0x9a)
 882 /* Available with KVM_CAP_SET_GUEST_DEBUG */
 883 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
 884 /* MCE for x86 */
 885 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
 886 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
 887 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
 888 /* IA64 stack access */
 889 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
 890 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
 891 /* Available with KVM_CAP_VCPU_EVENTS */
 892 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
 893 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
 894 /* Available with KVM_CAP_DEBUGREGS */
 895 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
 896 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
 897 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
 898 /* Available with KVM_CAP_XSAVE */
 899 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
 900 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
 901 /* Available with KVM_CAP_XCRS */
 902 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
 903 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
 904 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
 905 /* Available with KVM_CAP_RMA */
 906 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
 907 /* Available with KVM_CAP_SW_TLB */
 908 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
 909 /* Available with KVM_CAP_ONE_REG */
 910 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
 911 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
 912 /* VM is being stopped by host */
 913 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
 914
 915 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 916 #define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
 917 #define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
 918
 919 struct kvm_assigned_pci_dev {
 920         __u32 assigned_dev_id;
 921         __u32 busnr;
 922         __u32 devfn;
 923         __u32 flags;
 924         __u32 segnr;
 925         union {
 926                 __u32 reserved[11];
 927         };
 928 };
 929
 930 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
 931 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
 932 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
 933
 934 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
 935 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
 936 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
 937
 938 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
 939 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
 940
 941 struct kvm_assigned_irq {
 942         __u32 assigned_dev_id;
 943         __u32 host_irq; /* ignored (legacy field) */
 944         __u32 guest_irq;
 945         __u32 flags;
 946         union {
 947                 __u32 reserved[12];
 948         };
 949 };
 950
 951 struct kvm_assigned_msix_nr {
 952         __u32 assigned_dev_id;
 953         __u16 entry_nr;
 954         __u16 padding;
 955 };
 956
 957 #define KVM_MAX_MSIX_PER_DEV            256
 958 struct kvm_assigned_msix_entry {
 959         __u32 assigned_dev_id;
 960         __u32 gsi;
 961         __u16 entry; /* The index of entry in the MSI-X table */
 962         __u16 padding[3];
 963 };
 964
 965 #endif /* __LINUX_KVM_H */