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 /*
 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          * For ARM: See Documentation/virtual/kvm/api.txt
 119          */
 120         union {
 121                 __u32 irq;
 122                 __s32 status;
 123         };
 124         __u32 level;
 125 };
 126
 127
 128 struct kvm_irqchip {
 129         __u32 chip_id;
 130         __u32 pad;
 131         union {
 132                 char dummy[512];  /* reserving space */
 133 #ifdef __KVM_HAVE_PIT
 134                 struct kvm_pic_state pic;
 135 #endif
 136 #ifdef __KVM_HAVE_IOAPIC
 137                 struct kvm_ioapic_state ioapic;
 138 #endif
 139         } chip;
 140 };
 141
 142 /* for KVM_CREATE_PIT2 */
 143 struct kvm_pit_config {
 144         __u32 flags;
 145         __u32 pad[15];
 146 };
 147
 148 #define KVM_PIT_SPEAKER_DUMMY     1
 149
 150 #define KVM_EXIT_UNKNOWN          0
 151 #define KVM_EXIT_EXCEPTION        1
 152 #define KVM_EXIT_IO               2
 153 #define KVM_EXIT_HYPERCALL        3
 154 #define KVM_EXIT_DEBUG            4
 155 #define KVM_EXIT_HLT              5
 156 #define KVM_EXIT_MMIO             6
 157 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 158 #define KVM_EXIT_SHUTDOWN         8
 159 #define KVM_EXIT_FAIL_ENTRY       9
 160 #define KVM_EXIT_INTR             10
 161 #define KVM_EXIT_SET_TPR          11
 162 #define KVM_EXIT_TPR_ACCESS       12
 163 #define KVM_EXIT_S390_SIEIC       13
 164 #define KVM_EXIT_S390_RESET       14
 165 #define KVM_EXIT_DCR              15
 166 #define KVM_EXIT_NMI              16
 167 #define KVM_EXIT_INTERNAL_ERROR   17
 168 #define KVM_EXIT_OSI              18
 169 #define KVM_EXIT_PAPR_HCALL       19
 170 #define KVM_EXIT_S390_UCONTROL    20
 171 #define KVM_EXIT_WATCHDOG         21
 172 #define KVM_EXIT_S390_TSCH        22
 173 #define KVM_EXIT_EPR              23
 174
 175 /* For KVM_EXIT_INTERNAL_ERROR */
 176 /* Emulate instruction failed. */
 177 #define KVM_INTERNAL_ERROR_EMULATION    1
 178 /* Encounter unexpected simultaneous exceptions. */
 179 #define KVM_INTERNAL_ERROR_SIMUL_EX     2
 180 /* Encounter unexpected vm-exit due to delivery event. */
 181 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 182
 183 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 184 struct kvm_run {
 185         /* in */
 186         __u8 request_interrupt_window;
 187         __u8 padding1[7];
 188
 189         /* out */
 190         __u32 exit_reason;
 191         __u8 ready_for_interrupt_injection;
 192         __u8 if_flag;
 193         __u8 padding2[2];
 194
 195         /* in (pre_kvm_run), out (post_kvm_run) */
 196         __u64 cr8;
 197         __u64 apic_base;
 198
 199 #ifdef __KVM_S390
 200         /* the processor status word for s390 */
 201         __u64 psw_mask; /* psw upper half */
 202         __u64 psw_addr; /* psw lower half */
 203 #endif
 204         union {
 205                 /* KVM_EXIT_UNKNOWN */
 206                 struct {
 207                         __u64 hardware_exit_reason;
 208                 } hw;
 209                 /* KVM_EXIT_FAIL_ENTRY */
 210                 struct {
 211                         __u64 hardware_entry_failure_reason;
 212                 } fail_entry;
 213                 /* KVM_EXIT_EXCEPTION */
 214                 struct {
 215                         __u32 exception;
 216                         __u32 error_code;
 217                 } ex;
 218                 /* KVM_EXIT_IO */
 219                 struct {
 220 #define KVM_EXIT_IO_IN  0
 221 #define KVM_EXIT_IO_OUT 1
 222                         __u8 direction;
 223                         __u8 size; /* bytes */
 224                         __u16 port;
 225                         __u32 count;
 226                         __u64 data_offset; /* relative to kvm_run start */
 227                 } io;
 228                 struct {
 229                         struct kvm_debug_exit_arch arch;
 230                 } debug;
 231                 /* KVM_EXIT_MMIO */
 232                 struct {
 233                         __u64 phys_addr;
 234                         __u8  data[8];
 235                         __u32 len;
 236                         __u8  is_write;
 237                 } mmio;
 238                 /* KVM_EXIT_HYPERCALL */
 239                 struct {
 240                         __u64 nr;
 241                         __u64 args[6];
 242                         __u64 ret;
 243                         __u32 longmode;
 244                         __u32 pad;
 245                 } hypercall;
 246                 /* KVM_EXIT_TPR_ACCESS */
 247                 struct {
 248                         __u64 rip;
 249                         __u32 is_write;
 250                         __u32 pad;
 251                 } tpr_access;
 252                 /* KVM_EXIT_S390_SIEIC */
 253                 struct {
 254                         __u8 icptcode;
 255                         __u16 ipa;
 256                         __u32 ipb;
 257                 } s390_sieic;
 258                 /* KVM_EXIT_S390_RESET */
 259 #define KVM_S390_RESET_POR       1
 260 #define KVM_S390_RESET_CLEAR     2
 261 #define KVM_S390_RESET_SUBSYSTEM 4
 262 #define KVM_S390_RESET_CPU_INIT  8
 263 #define KVM_S390_RESET_IPL       16
 264                 __u64 s390_reset_flags;
 265                 /* KVM_EXIT_S390_UCONTROL */
 266                 struct {
 267                         __u64 trans_exc_code;
 268                         __u32 pgm_code;
 269                 } s390_ucontrol;
 270                 /* KVM_EXIT_DCR */
 271                 struct {
 272                         __u32 dcrn;
 273                         __u32 data;
 274                         __u8  is_write;
 275                 } dcr;
 276                 struct {
 277                         __u32 suberror;
 278                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 279                         __u32 ndata;
 280                         __u64 data[16];
 281                 } internal;
 282                 /* KVM_EXIT_OSI */
 283                 struct {
 284                         __u64 gprs[32];
 285                 } osi;
 286                 struct {
 287                         __u64 nr;
 288                         __u64 ret;
 289                         __u64 args[9];
 290                 } papr_hcall;
 291                 /* KVM_EXIT_S390_TSCH */
 292                 struct {
 293                         __u16 subchannel_id;
 294                         __u16 subchannel_nr;
 295                         __u32 io_int_parm;
 296                         __u32 io_int_word;
 297                         __u32 ipb;
 298                         __u8 dequeued;
 299                 } s390_tsch;
 300                 /* KVM_EXIT_EPR */
 301                 struct {
 302                         __u32 epr;
 303                 } epr;
 304                 /* Fix the size of the union. */
 305                 char padding[256];
 306         };
 307
 308         /*
 309          * shared registers between kvm and userspace.
 310          * kvm_valid_regs specifies the register classes set by the host
 311          * kvm_dirty_regs specified the register classes dirtied by userspace
 312          * struct kvm_sync_regs is architecture specific, as well as the
 313          * bits for kvm_valid_regs and kvm_dirty_regs
 314          */
 315         __u64 kvm_valid_regs;
 316         __u64 kvm_dirty_regs;
 317         union {
 318                 struct kvm_sync_regs regs;
 319                 char padding[1024];
 320         } s;
 321 };
 322
 323 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 324
 325 struct kvm_coalesced_mmio_zone {
 326         __u64 addr;
 327         __u32 size;
 328         __u32 pad;
 329 };
 330
 331 struct kvm_coalesced_mmio {
 332         __u64 phys_addr;
 333         __u32 len;
 334         __u32 pad;
 335         __u8  data[8];
 336 };
 337
 338 struct kvm_coalesced_mmio_ring {
 339         __u32 first, last;
 340         struct kvm_coalesced_mmio coalesced_mmio[0];
 341 };
 342
 343 #define KVM_COALESCED_MMIO_MAX \
 344         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 345          sizeof(struct kvm_coalesced_mmio))
 346
 347 /* for KVM_TRANSLATE */
 348 struct kvm_translation {
 349         /* in */
 350         __u64 linear_address;
 351
 352         /* out */
 353         __u64 physical_address;
 354         __u8  valid;
 355         __u8  writeable;
 356         __u8  usermode;
 357         __u8  pad[5];
 358 };
 359
 360 /* for KVM_INTERRUPT */
 361 struct kvm_interrupt {
 362         /* in */
 363         __u32 irq;
 364 };
 365
 366 /* for KVM_GET_DIRTY_LOG */
 367 struct kvm_dirty_log {
 368         __u32 slot;
 369         __u32 padding1;
 370         union {
 371                 void *dirty_bitmap; /* one bit per page */
 372                 __u64 padding2;
 373         };
 374 };
 375
 376 /* for KVM_SET_SIGNAL_MASK */
 377 struct kvm_signal_mask {
 378         __u32 len;
 379         __u8  sigset[0];
 380 };
 381
 382 /* for KVM_TPR_ACCESS_REPORTING */
 383 struct kvm_tpr_access_ctl {
 384         __u32 enabled;
 385         __u32 flags;
 386         __u32 reserved[8];
 387 };
 388
 389 /* for KVM_SET_VAPIC_ADDR */
 390 struct kvm_vapic_addr {
 391         __u64 vapic_addr;
 392 };
 393
 394 /* for KVM_SET_MPSTATE */
 395
 396 #define KVM_MP_STATE_RUNNABLE          0
 397 #define KVM_MP_STATE_UNINITIALIZED     1
 398 #define KVM_MP_STATE_INIT_RECEIVED     2
 399 #define KVM_MP_STATE_HALTED            3
 400 #define KVM_MP_STATE_SIPI_RECEIVED     4
 401
 402 struct kvm_mp_state {
 403         __u32 mp_state;
 404 };
 405
 406 struct kvm_s390_psw {
 407         __u64 mask;
 408         __u64 addr;
 409 };
 410
 411 /* valid values for type in kvm_s390_interrupt */
 412 #define KVM_S390_SIGP_STOP              0xfffe0000u
 413 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 414 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 415 #define KVM_S390_RESTART                0xfffe0003u
 416 #define KVM_S390_MCHK                   0xfffe1000u
 417 #define KVM_S390_INT_VIRTIO             0xffff2603u
 418 #define KVM_S390_INT_SERVICE            0xffff2401u
 419 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 420 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 421 /* Anything below 0xfffe0000u is taken by INT_IO */
 422 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 423         (((schid)) |                           \
 424          ((ssid) << 16) |                      \
 425          ((cssid) << 18) |                     \
 426          ((ai) << 26))
 427 #define KVM_S390_INT_IO_MIN             0x00000000u
 428 #define KVM_S390_INT_IO_MAX             0xfffdffffu
 429
 430
 431 struct kvm_s390_interrupt {
 432         __u32 type;
 433         __u32 parm;
 434         __u64 parm64;
 435 };
 436
 437 /* for KVM_SET_GUEST_DEBUG */
 438
 439 #define KVM_GUESTDBG_ENABLE             0x00000001
 440 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 441
 442 struct kvm_guest_debug {
 443         __u32 control;
 444         __u32 pad;
 445         struct kvm_guest_debug_arch arch;
 446 };
 447
 448 enum {
 449         kvm_ioeventfd_flag_nr_datamatch,
 450         kvm_ioeventfd_flag_nr_pio,
 451         kvm_ioeventfd_flag_nr_deassign,
 452         kvm_ioeventfd_flag_nr_max,
 453 };
 454
 455 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 456 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 457 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 458
 459 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 460
 461 struct kvm_ioeventfd {
 462         __u64 datamatch;
 463         __u64 addr;        /* legal pio/mmio address */
 464         __u32 len;         /* 1, 2, 4, or 8 bytes    */
 465         __s32 fd;
 466         __u32 flags;
 467         __u8  pad[36];
 468 };
 469
 470 /* for KVM_ENABLE_CAP */
 471 struct kvm_enable_cap {
 472         /* in */
 473         __u32 cap;
 474         __u32 flags;
 475         __u64 args[4];
 476         __u8  pad[64];
 477 };
 478
 479 /* for KVM_PPC_GET_PVINFO */
 480 struct kvm_ppc_pvinfo {
 481         /* out */
 482         __u32 flags;
 483         __u32 hcall[4];
 484         __u8  pad[108];
 485 };
 486
 487 /* for KVM_PPC_GET_SMMU_INFO */
 488 #define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 489
 490 struct kvm_ppc_one_page_size {
 491         __u32 page_shift;       /* Page shift (or 0) */
 492         __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 493 };
 494
 495 struct kvm_ppc_one_seg_page_size {
 496         __u32 page_shift;       /* Base page shift of segment (or 0) */
 497         __u32 slb_enc;          /* SLB encoding for BookS */
 498         struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 499 };
 500
 501 #define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 502 #define KVM_PPC_1T_SEGMENTS             0x00000002
 503
 504 struct kvm_ppc_smmu_info {
 505         __u64 flags;
 506         __u32 slb_size;
 507         __u32 pad;
 508         struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 509 };
 510
 511 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 512
 513 #define KVMIO 0xAE
 514
 515 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 516 #define KVM_VM_S390_UCONTROL    1
 517
 518 #define KVM_S390_SIE_PAGE_OFFSET 1
 519
 520 /*
 521  * ioctls for /dev/kvm fds:
 522  */
 523 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 524 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 525 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 526
 527 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 528 /*
 529  * Check if a kvm extension is available.  Argument is extension number,
 530  * return is 1 (yes) or 0 (no, sorry).
 531  */
 532 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 533 /*
 534  * Get size for mmap(vcpu_fd)
 535  */
 536 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 537 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 538 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 539 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 540 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 541
 542 /*
 543  * Extension capability list.
 544  */
 545 #define KVM_CAP_IRQCHIP   0
 546 #define KVM_CAP_HLT       1
 547 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 548 #define KVM_CAP_USER_MEMORY 3
 549 #define KVM_CAP_SET_TSS_ADDR 4
 550 #define KVM_CAP_VAPIC 6
 551 #define KVM_CAP_EXT_CPUID 7
 552 #define KVM_CAP_CLOCKSOURCE 8
 553 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 554 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 555 #define KVM_CAP_PIT 11
 556 #define KVM_CAP_NOP_IO_DELAY 12
 557 #define KVM_CAP_PV_MMU 13
 558 #define KVM_CAP_MP_STATE 14
 559 #define KVM_CAP_COALESCED_MMIO 15
 560 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 561 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 562 #define KVM_CAP_DEVICE_ASSIGNMENT 17
 563 #endif
 564 #define KVM_CAP_IOMMU 18
 565 #ifdef __KVM_HAVE_MSI
 566 #define KVM_CAP_DEVICE_MSI 20
 567 #endif
 568 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 569 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 570 #ifdef __KVM_HAVE_USER_NMI
 571 #define KVM_CAP_USER_NMI 22
 572 #endif
 573 #ifdef __KVM_HAVE_GUEST_DEBUG
 574 #define KVM_CAP_SET_GUEST_DEBUG 23
 575 #endif
 576 #ifdef __KVM_HAVE_PIT
 577 #define KVM_CAP_REINJECT_CONTROL 24
 578 #endif
 579 #ifdef __KVM_HAVE_IOAPIC
 580 #define KVM_CAP_IRQ_ROUTING 25
 581 #endif
 582 #define KVM_CAP_IRQ_INJECT_STATUS 26
 583 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 584 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
 585 #endif
 586 #ifdef __KVM_HAVE_MSIX
 587 #define KVM_CAP_DEVICE_MSIX 28
 588 #endif
 589 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 590 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 591 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 592 #ifdef __KVM_HAVE_MCE
 593 #define KVM_CAP_MCE 31
 594 #endif
 595 #define KVM_CAP_IRQFD 32
 596 #ifdef __KVM_HAVE_PIT
 597 #define KVM_CAP_PIT2 33
 598 #endif
 599 #define KVM_CAP_SET_BOOT_CPU_ID 34
 600 #ifdef __KVM_HAVE_PIT_STATE2
 601 #define KVM_CAP_PIT_STATE2 35
 602 #endif
 603 #define KVM_CAP_IOEVENTFD 36
 604 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 605 #ifdef __KVM_HAVE_XEN_HVM
 606 #define KVM_CAP_XEN_HVM 38
 607 #endif
 608 #define KVM_CAP_ADJUST_CLOCK 39
 609 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 610 #ifdef __KVM_HAVE_VCPU_EVENTS
 611 #define KVM_CAP_VCPU_EVENTS 41
 612 #endif
 613 #define KVM_CAP_S390_PSW 42
 614 #define KVM_CAP_PPC_SEGSTATE 43
 615 #define KVM_CAP_HYPERV 44
 616 #define KVM_CAP_HYPERV_VAPIC 45
 617 #define KVM_CAP_HYPERV_SPIN 46
 618 #define KVM_CAP_PCI_SEGMENT 47
 619 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 620 #define KVM_CAP_INTR_SHADOW 49
 621 #ifdef __KVM_HAVE_DEBUGREGS
 622 #define KVM_CAP_DEBUGREGS 50
 623 #endif
 624 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 625 #define KVM_CAP_PPC_OSI 52
 626 #define KVM_CAP_PPC_UNSET_IRQ 53
 627 #define KVM_CAP_ENABLE_CAP 54
 628 #ifdef __KVM_HAVE_XSAVE
 629 #define KVM_CAP_XSAVE 55
 630 #endif
 631 #ifdef __KVM_HAVE_XCRS
 632 #define KVM_CAP_XCRS 56
 633 #endif
 634 #define KVM_CAP_PPC_GET_PVINFO 57
 635 #define KVM_CAP_PPC_IRQ_LEVEL 58
 636 #define KVM_CAP_ASYNC_PF 59
 637 #define KVM_CAP_TSC_CONTROL 60
 638 #define KVM_CAP_GET_TSC_KHZ 61
 639 #define KVM_CAP_PPC_BOOKE_SREGS 62
 640 #define KVM_CAP_SPAPR_TCE 63
 641 #define KVM_CAP_PPC_SMT 64
 642 #define KVM_CAP_PPC_RMA 65
 643 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 644 #define KVM_CAP_PPC_HIOR 67
 645 #define KVM_CAP_PPC_PAPR 68
 646 #define KVM_CAP_SW_TLB 69
 647 #define KVM_CAP_ONE_REG 70
 648 #define KVM_CAP_S390_GMAP 71
 649 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 650 #define KVM_CAP_S390_UCONTROL 73
 651 #define KVM_CAP_SYNC_REGS 74
 652 #define KVM_CAP_PCI_2_3 75
 653 #define KVM_CAP_KVMCLOCK_CTRL 76
 654 #define KVM_CAP_SIGNAL_MSI 77
 655 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 656 #define KVM_CAP_S390_COW 79
 657 #define KVM_CAP_PPC_ALLOC_HTAB 80
 658 #ifdef __KVM_HAVE_READONLY_MEM
 659 #define KVM_CAP_READONLY_MEM 81
 660 #endif
 661 #define KVM_CAP_IRQFD_RESAMPLE 82
 662 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
 663 #define KVM_CAP_PPC_HTAB_FD 84
 664 #define KVM_CAP_S390_CSS_SUPPORT 85
 665 #define KVM_CAP_PPC_EPR 86
 666 #define KVM_CAP_ARM_PSCI 87
 667 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
 668
 669 #ifdef KVM_CAP_IRQ_ROUTING
 670
 671 struct kvm_irq_routing_irqchip {
 672         __u32 irqchip;
 673         __u32 pin;
 674 };
 675
 676 struct kvm_irq_routing_msi {
 677         __u32 address_lo;
 678         __u32 address_hi;
 679         __u32 data;
 680         __u32 pad;
 681 };
 682
 683 /* gsi routing entry types */
 684 #define KVM_IRQ_ROUTING_IRQCHIP 1
 685 #define KVM_IRQ_ROUTING_MSI 2
 686
 687 struct kvm_irq_routing_entry {
 688         __u32 gsi;
 689         __u32 type;
 690         __u32 flags;
 691         __u32 pad;
 692         union {
 693                 struct kvm_irq_routing_irqchip irqchip;
 694                 struct kvm_irq_routing_msi msi;
 695                 __u32 pad[8];
 696         } u;
 697 };
 698
 699 struct kvm_irq_routing {
 700         __u32 nr;
 701         __u32 flags;
 702         struct kvm_irq_routing_entry entries[0];
 703 };
 704
 705 #endif
 706
 707 #ifdef KVM_CAP_MCE
 708 /* x86 MCE */
 709 struct kvm_x86_mce {
 710         __u64 status;
 711         __u64 addr;
 712         __u64 misc;
 713         __u64 mcg_status;
 714         __u8 bank;
 715         __u8 pad1[7];
 716         __u64 pad2[3];
 717 };
 718 #endif
 719
 720 #ifdef KVM_CAP_XEN_HVM
 721 struct kvm_xen_hvm_config {
 722         __u32 flags;
 723         __u32 msr;
 724         __u64 blob_addr_32;
 725         __u64 blob_addr_64;
 726         __u8 blob_size_32;
 727         __u8 blob_size_64;
 728         __u8 pad2[30];
 729 };
 730 #endif
 731
 732 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
 733 /*
 734  * Available with KVM_CAP_IRQFD_RESAMPLE
 735  *
 736  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
 737  * the irqfd to operate in resampling mode for level triggered interrupt
 738  * emlation.  See Documentation/virtual/kvm/api.txt.
 739  */
 740 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
 741
 742 struct kvm_irqfd {
 743         __u32 fd;
 744         __u32 gsi;
 745         __u32 flags;
 746         __u32 resamplefd;
 747         __u8  pad[16];
 748 };
 749
 750 struct kvm_clock_data {
 751         __u64 clock;
 752         __u32 flags;
 753         __u32 pad[9];
 754 };
 755
 756 #define KVM_MMU_FSL_BOOKE_NOHV          0
 757 #define KVM_MMU_FSL_BOOKE_HV            1
 758
 759 struct kvm_config_tlb {
 760         __u64 params;
 761         __u64 array;
 762         __u32 mmu_type;
 763         __u32 array_len;
 764 };
 765
 766 struct kvm_dirty_tlb {
 767         __u64 bitmap;
 768         __u32 num_dirty;
 769 };
 770
 771 /* Available with KVM_CAP_ONE_REG */
 772
 773 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
 774 #define KVM_REG_GENERIC         0x0000000000000000ULL
 775
 776 /*
 777  * Architecture specific registers are to be defined in arch headers and
 778  * ORed with the arch identifier.
 779  */
 780 #define KVM_REG_PPC             0x1000000000000000ULL
 781 #define KVM_REG_X86             0x2000000000000000ULL
 782 #define KVM_REG_IA64            0x3000000000000000ULL
 783 #define KVM_REG_ARM             0x4000000000000000ULL
 784 #define KVM_REG_S390            0x5000000000000000ULL
 785
 786 #define KVM_REG_SIZE_SHIFT      52
 787 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
 788 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
 789 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
 790 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
 791 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
 792 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
 793 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
 794 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
 795 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
 796
 797 struct kvm_reg_list {
 798         __u64 n; /* number of regs */
 799         __u64 reg[0];
 800 };
 801
 802 struct kvm_one_reg {
 803         __u64 id;
 804         __u64 addr;
 805 };
 806
 807 struct kvm_msi {
 808         __u32 address_lo;
 809         __u32 address_hi;
 810         __u32 data;
 811         __u32 flags;
 812         __u8  pad[16];
 813 };
 814
 815 struct kvm_arm_device_addr {
 816         __u64 id;
 817         __u64 addr;
 818 };
 819
 820 /*
 821  * ioctls for VM fds
 822  */
 823 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
 824 /*
 825  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
 826  * a vcpu fd.
 827  */
 828 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
 829 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
 830 /* KVM_SET_MEMORY_ALIAS is obsolete: */
 831 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
 832 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
 833 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
 834 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
 835                                         struct kvm_userspace_memory_region)
 836 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
 837 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
 838
 839 /* enable ucontrol for s390 */
 840 struct kvm_s390_ucas_mapping {
 841         __u64 user_addr;
 842         __u64 vcpu_addr;
 843         __u64 length;
 844 };
 845 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
 846 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
 847 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
 848
 849 /* Device model IOC */
 850 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
 851 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
 852 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
 853 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
 854 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
 855 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
 856 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
 857 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
 858 #define KVM_REGISTER_COALESCED_MMIO \
 859                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
 860 #define KVM_UNREGISTER_COALESCED_MMIO \
 861                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
 862 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
 863                                        struct kvm_assigned_pci_dev)
 864 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
 865 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
 866 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
 867 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
 868 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
 869 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
 870                                        struct kvm_assigned_pci_dev)
 871 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
 872                                        struct kvm_assigned_msix_nr)
 873 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
 874                                        struct kvm_assigned_msix_entry)
 875 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
 876 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
 877 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
 878 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
 879 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
 880 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
 881 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
 882 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
 883 /* Available with KVM_CAP_PIT_STATE2 */
 884 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
 885 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
 886 /* Available with KVM_CAP_PPC_GET_PVINFO */
 887 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
 888 /* Available with KVM_CAP_TSC_CONTROL */
 889 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
 890 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
 891 /* Available with KVM_CAP_PCI_2_3 */
 892 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
 893                                        struct kvm_assigned_pci_dev)
 894 /* Available with KVM_CAP_SIGNAL_MSI */
 895 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
 896 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
 897 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
 898 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
 899 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
 900 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
 901 /* Available with KVM_CAP_RMA */
 902 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
 903 /* Available with KVM_CAP_PPC_HTAB_FD */
 904 #define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
 905 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
 906 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
 907
 908 /*
 909  * ioctls for vcpu fds
 910  */
 911 #define KVM_RUN                   _IO(KVMIO,   0x80)
 912 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
 913 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
 914 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
 915 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
 916 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
 917 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
 918 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
 919 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
 920 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
 921 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
 922 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
 923 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
 924 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
 925 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
 926 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
 927 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
 928 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
 929 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
 930 /* Available with KVM_CAP_VAPIC */
 931 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
 932 /* Available with KVM_CAP_VAPIC */
 933 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
 934 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
 935 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
 936 /* store status for s390 */
 937 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
 938 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
 939 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
 940 /* initial ipl psw for s390 */
 941 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
 942 /* initial reset for s390 */
 943 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
 944 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
 945 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 946 /* Available with KVM_CAP_NMI */
 947 #define KVM_NMI                   _IO(KVMIO,   0x9a)
 948 /* Available with KVM_CAP_SET_GUEST_DEBUG */
 949 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
 950 /* MCE for x86 */
 951 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
 952 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
 953 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
 954 /* IA64 stack access */
 955 #define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
 956 #define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
 957 /* Available with KVM_CAP_VCPU_EVENTS */
 958 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
 959 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
 960 /* Available with KVM_CAP_DEBUGREGS */
 961 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
 962 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
 963 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
 964 /* Available with KVM_CAP_XSAVE */
 965 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
 966 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
 967 /* Available with KVM_CAP_XCRS */
 968 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
 969 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
 970 /* Available with KVM_CAP_SW_TLB */
 971 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
 972 /* Available with KVM_CAP_ONE_REG */
 973 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
 974 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
 975 /* VM is being stopped by host */
 976 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
 977 #define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
 978 #define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
 979
 980 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 981 #define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
 982 #define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
 983
 984 struct kvm_assigned_pci_dev {
 985         __u32 assigned_dev_id;
 986         __u32 busnr;
 987         __u32 devfn;
 988         __u32 flags;
 989         __u32 segnr;
 990         union {
 991                 __u32 reserved[11];
 992         };
 993 };
 994
 995 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
 996 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
 997 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
 998
 999 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1000 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1001 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1002
1003 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
1004 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1005
1006 struct kvm_assigned_irq {
1007         __u32 assigned_dev_id;
1008         __u32 host_irq; /* ignored (legacy field) */
1009         __u32 guest_irq;
1010         __u32 flags;
1011         union {
1012                 __u32 reserved[12];
1013         };
1014 };
1015
1016 struct kvm_assigned_msix_nr {
1017         __u32 assigned_dev_id;
1018         __u16 entry_nr;
1019         __u16 padding;
1020 };
1021
1022 #define KVM_MAX_MSIX_PER_DEV            256
1023 struct kvm_assigned_msix_entry {
1024         __u32 assigned_dev_id;
1025         __u32 gsi;
1026         __u16 entry; /* The index of entry in the MSI-X table */
1027         __u16 padding[3];
1028 };
1029
1030 #endif /* __LINUX_KVM_H */