linux-headers/linux/kvm.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __LINUX_KVM_H
   3 #define __LINUX_KVM_H
   4
   5 /*
   6  * Userspace interface for /dev/kvm - kernel based virtual machine
   7  *
   8  * Note: you must update KVM_API_VERSION if you change this interface.
   9  */
  10
  11 #include <linux/types.h>
  12
  13 #include <linux/ioctl.h>
  14 #include <asm/kvm.h>
  15
  16 #define KVM_API_VERSION 12
  17
  18 /* *** Deprecated interfaces *** */
  19
  20 #define KVM_TRC_SHIFT           16
  21
  22 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
  23 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
  24
  25 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
  26 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
  27 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
  28
  29 #define KVM_TRC_HEAD_SIZE       12
  30 #define KVM_TRC_CYCLE_SIZE      8
  31 #define KVM_TRC_EXTRA_MAX       7
  32
  33 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
  34 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
  35 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
  36 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
  37 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
  38 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
  39 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
  40 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
  41 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
  42 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
  43 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
  44 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
  45 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
  46 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
  47 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
  48 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
  49 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
  50 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
  51 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
  52 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
  53 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
  54 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
  55 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
  56 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
  57
  58 struct kvm_user_trace_setup {
  59         __u32 buf_size;
  60         __u32 buf_nr;
  61 };
  62
  63 #define __KVM_DEPRECATED_MAIN_W_0x06 \
  64         _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
  65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
  66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
  67
  68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
  69
  70 struct kvm_breakpoint {
  71         __u32 enabled;
  72         __u32 padding;
  73         __u64 address;
  74 };
  75
  76 struct kvm_debug_guest {
  77         __u32 enabled;
  78         __u32 pad;
  79         struct kvm_breakpoint breakpoints[4];
  80         __u32 singlestep;
  81 };
  82
  83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
  84
  85 /* *** End of deprecated interfaces *** */
  86
  87
  88 /* for KVM_CREATE_MEMORY_REGION */
  89 struct kvm_memory_region {
  90         __u32 slot;
  91         __u32 flags;
  92         __u64 guest_phys_addr;
  93         __u64 memory_size; /* bytes */
  94 };
  95
  96 /* for KVM_SET_USER_MEMORY_REGION */
  97 struct kvm_userspace_memory_region {
  98         __u32 slot;
  99         __u32 flags;
 100         __u64 guest_phys_addr;
 101         __u64 memory_size; /* bytes */
 102         __u64 userspace_addr; /* start of the userspace allocated memory */
 103 };
 104
 105 /*
 106  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
 107  * other bits are reserved for kvm internal use which are defined in
 108  * include/linux/kvm_host.h.
 109  */
 110 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
 111 #define KVM_MEM_READONLY        (1UL << 1)
 112
 113 /* for KVM_IRQ_LINE */
 114 struct kvm_irq_level {
 115         /*
 116          * ACPI gsi notion of irq.
 117          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
 118          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
 119          * For ARM: See Documentation/virtual/kvm/api.txt
 120          */
 121         union {
 122                 __u32 irq;
 123                 __s32 status;
 124         };
 125         __u32 level;
 126 };
 127
 128
 129 struct kvm_irqchip {
 130         __u32 chip_id;
 131         __u32 pad;
 132         union {
 133                 char dummy[512];  /* reserving space */
 134 #ifdef __KVM_HAVE_PIT
 135                 struct kvm_pic_state pic;
 136 #endif
 137 #ifdef __KVM_HAVE_IOAPIC
 138                 struct kvm_ioapic_state ioapic;
 139 #endif
 140         } chip;
 141 };
 142
 143 /* for KVM_CREATE_PIT2 */
 144 struct kvm_pit_config {
 145         __u32 flags;
 146         __u32 pad[15];
 147 };
 148
 149 #define KVM_PIT_SPEAKER_DUMMY     1
 150
 151 struct kvm_s390_skeys {
 152         __u64 start_gfn;
 153         __u64 count;
 154         __u64 skeydata_addr;
 155         __u32 flags;
 156         __u32 reserved[9];
 157 };
 158
 159 #define KVM_S390_CMMA_PEEK (1 << 0)
 160
 161 /**
 162  * kvm_s390_cmma_log - Used for CMMA migration.
 163  *
 164  * Used both for input and output.
 165  *
 166  * @start_gfn: Guest page number to start from.
 167  * @count: Size of the result buffer.
 168  * @flags: Control operation mode via KVM_S390_CMMA_* flags
 169  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
 170  *             pages are still remaining.
 171  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
 172  *        in the PGSTE.
 173  * @values: Pointer to the values buffer.
 174  *
 175  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
 176  */
 177 struct kvm_s390_cmma_log {
 178         __u64 start_gfn;
 179         __u32 count;
 180         __u32 flags;
 181         union {
 182                 __u64 remaining;
 183                 __u64 mask;
 184         };
 185         __u64 values;
 186 };
 187
 188 struct kvm_hyperv_exit {
 189 #define KVM_EXIT_HYPERV_SYNIC          1
 190 #define KVM_EXIT_HYPERV_HCALL          2
 191         __u32 type;
 192         union {
 193                 struct {
 194                         __u32 msr;
 195                         __u64 control;
 196                         __u64 evt_page;
 197                         __u64 msg_page;
 198                 } synic;
 199                 struct {
 200                         __u64 input;
 201                         __u64 result;
 202                         __u64 params[2];
 203                 } hcall;
 204         } u;
 205 };
 206
 207 #define KVM_S390_GET_SKEYS_NONE   1
 208 #define KVM_S390_SKEYS_MAX        1048576
 209
 210 #define KVM_EXIT_UNKNOWN          0
 211 #define KVM_EXIT_EXCEPTION        1
 212 #define KVM_EXIT_IO               2
 213 #define KVM_EXIT_HYPERCALL        3
 214 #define KVM_EXIT_DEBUG            4
 215 #define KVM_EXIT_HLT              5
 216 #define KVM_EXIT_MMIO             6
 217 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 218 #define KVM_EXIT_SHUTDOWN         8
 219 #define KVM_EXIT_FAIL_ENTRY       9
 220 #define KVM_EXIT_INTR             10
 221 #define KVM_EXIT_SET_TPR          11
 222 #define KVM_EXIT_TPR_ACCESS       12
 223 #define KVM_EXIT_S390_SIEIC       13
 224 #define KVM_EXIT_S390_RESET       14
 225 #define KVM_EXIT_DCR              15 /* deprecated */
 226 #define KVM_EXIT_NMI              16
 227 #define KVM_EXIT_INTERNAL_ERROR   17
 228 #define KVM_EXIT_OSI              18
 229 #define KVM_EXIT_PAPR_HCALL       19
 230 #define KVM_EXIT_S390_UCONTROL    20
 231 #define KVM_EXIT_WATCHDOG         21
 232 #define KVM_EXIT_S390_TSCH        22
 233 #define KVM_EXIT_EPR              23
 234 #define KVM_EXIT_SYSTEM_EVENT     24
 235 #define KVM_EXIT_S390_STSI        25
 236 #define KVM_EXIT_IOAPIC_EOI       26
 237 #define KVM_EXIT_HYPERV           27
 238
 239 /* For KVM_EXIT_INTERNAL_ERROR */
 240 /* Emulate instruction failed. */
 241 #define KVM_INTERNAL_ERROR_EMULATION    1
 242 /* Encounter unexpected simultaneous exceptions. */
 243 #define KVM_INTERNAL_ERROR_SIMUL_EX     2
 244 /* Encounter unexpected vm-exit due to delivery event. */
 245 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 246
 247 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 248 struct kvm_run {
 249         /* in */
 250         __u8 request_interrupt_window;
 251         __u8 immediate_exit;
 252         __u8 padding1[6];
 253
 254         /* out */
 255         __u32 exit_reason;
 256         __u8 ready_for_interrupt_injection;
 257         __u8 if_flag;
 258         __u16 flags;
 259
 260         /* in (pre_kvm_run), out (post_kvm_run) */
 261         __u64 cr8;
 262         __u64 apic_base;
 263
 264 #ifdef __KVM_S390
 265         /* the processor status word for s390 */
 266         __u64 psw_mask; /* psw upper half */
 267         __u64 psw_addr; /* psw lower half */
 268 #endif
 269         union {
 270                 /* KVM_EXIT_UNKNOWN */
 271                 struct {
 272                         __u64 hardware_exit_reason;
 273                 } hw;
 274                 /* KVM_EXIT_FAIL_ENTRY */
 275                 struct {
 276                         __u64 hardware_entry_failure_reason;
 277                 } fail_entry;
 278                 /* KVM_EXIT_EXCEPTION */
 279                 struct {
 280                         __u32 exception;
 281                         __u32 error_code;
 282                 } ex;
 283                 /* KVM_EXIT_IO */
 284                 struct {
 285 #define KVM_EXIT_IO_IN  0
 286 #define KVM_EXIT_IO_OUT 1
 287                         __u8 direction;
 288                         __u8 size; /* bytes */
 289                         __u16 port;
 290                         __u32 count;
 291                         __u64 data_offset; /* relative to kvm_run start */
 292                 } io;
 293                 /* KVM_EXIT_DEBUG */
 294                 struct {
 295                         struct kvm_debug_exit_arch arch;
 296                 } debug;
 297                 /* KVM_EXIT_MMIO */
 298                 struct {
 299                         __u64 phys_addr;
 300                         __u8  data[8];
 301                         __u32 len;
 302                         __u8  is_write;
 303                 } mmio;
 304                 /* KVM_EXIT_HYPERCALL */
 305                 struct {
 306                         __u64 nr;
 307                         __u64 args[6];
 308                         __u64 ret;
 309                         __u32 longmode;
 310                         __u32 pad;
 311                 } hypercall;
 312                 /* KVM_EXIT_TPR_ACCESS */
 313                 struct {
 314                         __u64 rip;
 315                         __u32 is_write;
 316                         __u32 pad;
 317                 } tpr_access;
 318                 /* KVM_EXIT_S390_SIEIC */
 319                 struct {
 320                         __u8 icptcode;
 321                         __u16 ipa;
 322                         __u32 ipb;
 323                 } s390_sieic;
 324                 /* KVM_EXIT_S390_RESET */
 325 #define KVM_S390_RESET_POR       1
 326 #define KVM_S390_RESET_CLEAR     2
 327 #define KVM_S390_RESET_SUBSYSTEM 4
 328 #define KVM_S390_RESET_CPU_INIT  8
 329 #define KVM_S390_RESET_IPL       16
 330                 __u64 s390_reset_flags;
 331                 /* KVM_EXIT_S390_UCONTROL */
 332                 struct {
 333                         __u64 trans_exc_code;
 334                         __u32 pgm_code;
 335                 } s390_ucontrol;
 336                 /* KVM_EXIT_DCR (deprecated) */
 337                 struct {
 338                         __u32 dcrn;
 339                         __u32 data;
 340                         __u8  is_write;
 341                 } dcr;
 342                 /* KVM_EXIT_INTERNAL_ERROR */
 343                 struct {
 344                         __u32 suberror;
 345                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 346                         __u32 ndata;
 347                         __u64 data[16];
 348                 } internal;
 349                 /* KVM_EXIT_OSI */
 350                 struct {
 351                         __u64 gprs[32];
 352                 } osi;
 353                 /* KVM_EXIT_PAPR_HCALL */
 354                 struct {
 355                         __u64 nr;
 356                         __u64 ret;
 357                         __u64 args[9];
 358                 } papr_hcall;
 359                 /* KVM_EXIT_S390_TSCH */
 360                 struct {
 361                         __u16 subchannel_id;
 362                         __u16 subchannel_nr;
 363                         __u32 io_int_parm;
 364                         __u32 io_int_word;
 365                         __u32 ipb;
 366                         __u8 dequeued;
 367                 } s390_tsch;
 368                 /* KVM_EXIT_EPR */
 369                 struct {
 370                         __u32 epr;
 371                 } epr;
 372                 /* KVM_EXIT_SYSTEM_EVENT */
 373                 struct {
 374 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
 375 #define KVM_SYSTEM_EVENT_RESET          2
 376 #define KVM_SYSTEM_EVENT_CRASH          3
 377                         __u32 type;
 378                         __u64 flags;
 379                 } system_event;
 380                 /* KVM_EXIT_S390_STSI */
 381                 struct {
 382                         __u64 addr;
 383                         __u8 ar;
 384                         __u8 reserved;
 385                         __u8 fc;
 386                         __u8 sel1;
 387                         __u16 sel2;
 388                 } s390_stsi;
 389                 /* KVM_EXIT_IOAPIC_EOI */
 390                 struct {
 391                         __u8 vector;
 392                 } eoi;
 393                 /* KVM_EXIT_HYPERV */
 394                 struct kvm_hyperv_exit hyperv;
 395                 /* Fix the size of the union. */
 396                 char padding[256];
 397         };
 398
 399         /*
 400          * shared registers between kvm and userspace.
 401          * kvm_valid_regs specifies the register classes set by the host
 402          * kvm_dirty_regs specified the register classes dirtied by userspace
 403          * struct kvm_sync_regs is architecture specific, as well as the
 404          * bits for kvm_valid_regs and kvm_dirty_regs
 405          */
 406         __u64 kvm_valid_regs;
 407         __u64 kvm_dirty_regs;
 408         union {
 409                 struct kvm_sync_regs regs;
 410                 char padding[2048];
 411         } s;
 412 };
 413
 414 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 415
 416 struct kvm_coalesced_mmio_zone {
 417         __u64 addr;
 418         __u32 size;
 419         __u32 pad;
 420 };
 421
 422 struct kvm_coalesced_mmio {
 423         __u64 phys_addr;
 424         __u32 len;
 425         __u32 pad;
 426         __u8  data[8];
 427 };
 428
 429 struct kvm_coalesced_mmio_ring {
 430         __u32 first, last;
 431         struct kvm_coalesced_mmio coalesced_mmio[0];
 432 };
 433
 434 #define KVM_COALESCED_MMIO_MAX \
 435         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 436          sizeof(struct kvm_coalesced_mmio))
 437
 438 /* for KVM_TRANSLATE */
 439 struct kvm_translation {
 440         /* in */
 441         __u64 linear_address;
 442
 443         /* out */
 444         __u64 physical_address;
 445         __u8  valid;
 446         __u8  writeable;
 447         __u8  usermode;
 448         __u8  pad[5];
 449 };
 450
 451 /* for KVM_S390_MEM_OP */
 452 struct kvm_s390_mem_op {
 453         /* in */
 454         __u64 gaddr;            /* the guest address */
 455         __u64 flags;            /* flags */
 456         __u32 size;             /* amount of bytes */
 457         __u32 op;               /* type of operation */
 458         __u64 buf;              /* buffer in userspace */
 459         __u8 ar;                /* the access register number */
 460         __u8 reserved[31];      /* should be set to 0 */
 461 };
 462 /* types for kvm_s390_mem_op->op */
 463 #define KVM_S390_MEMOP_LOGICAL_READ     0
 464 #define KVM_S390_MEMOP_LOGICAL_WRITE    1
 465 /* flags for kvm_s390_mem_op->flags */
 466 #define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
 467 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
 468
 469 /* for KVM_INTERRUPT */
 470 struct kvm_interrupt {
 471         /* in */
 472         __u32 irq;
 473 };
 474
 475 /* for KVM_GET_DIRTY_LOG */
 476 struct kvm_dirty_log {
 477         __u32 slot;
 478         __u32 padding1;
 479         union {
 480                 void *dirty_bitmap; /* one bit per page */
 481                 __u64 padding2;
 482         };
 483 };
 484
 485 /* for KVM_SET_SIGNAL_MASK */
 486 struct kvm_signal_mask {
 487         __u32 len;
 488         __u8  sigset[0];
 489 };
 490
 491 /* for KVM_TPR_ACCESS_REPORTING */
 492 struct kvm_tpr_access_ctl {
 493         __u32 enabled;
 494         __u32 flags;
 495         __u32 reserved[8];
 496 };
 497
 498 /* for KVM_SET_VAPIC_ADDR */
 499 struct kvm_vapic_addr {
 500         __u64 vapic_addr;
 501 };
 502
 503 /* for KVM_SET_MP_STATE */
 504
 505 /* not all states are valid on all architectures */
 506 #define KVM_MP_STATE_RUNNABLE          0
 507 #define KVM_MP_STATE_UNINITIALIZED     1
 508 #define KVM_MP_STATE_INIT_RECEIVED     2
 509 #define KVM_MP_STATE_HALTED            3
 510 #define KVM_MP_STATE_SIPI_RECEIVED     4
 511 #define KVM_MP_STATE_STOPPED           5
 512 #define KVM_MP_STATE_CHECK_STOP        6
 513 #define KVM_MP_STATE_OPERATING         7
 514 #define KVM_MP_STATE_LOAD              8
 515
 516 struct kvm_mp_state {
 517         __u32 mp_state;
 518 };
 519
 520 struct kvm_s390_psw {
 521         __u64 mask;
 522         __u64 addr;
 523 };
 524
 525 /* valid values for type in kvm_s390_interrupt */
 526 #define KVM_S390_SIGP_STOP              0xfffe0000u
 527 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 528 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 529 #define KVM_S390_RESTART                0xfffe0003u
 530 #define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 531 #define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 532 #define KVM_S390_MCHK                   0xfffe1000u
 533 #define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 534 #define KVM_S390_INT_CPU_TIMER          0xffff1005u
 535 #define KVM_S390_INT_VIRTIO             0xffff2603u
 536 #define KVM_S390_INT_SERVICE            0xffff2401u
 537 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 538 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 539 /* Anything below 0xfffe0000u is taken by INT_IO */
 540 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 541         (((schid)) |                           \
 542          ((ssid) << 16) |                      \
 543          ((cssid) << 18) |                     \
 544          ((ai) << 26))
 545 #define KVM_S390_INT_IO_MIN             0x00000000u
 546 #define KVM_S390_INT_IO_MAX             0xfffdffffu
 547 #define KVM_S390_INT_IO_AI_MASK         0x04000000u
 548
 549
 550 struct kvm_s390_interrupt {
 551         __u32 type;
 552         __u32 parm;
 553         __u64 parm64;
 554 };
 555
 556 struct kvm_s390_io_info {
 557         __u16 subchannel_id;
 558         __u16 subchannel_nr;
 559         __u32 io_int_parm;
 560         __u32 io_int_word;
 561 };
 562
 563 struct kvm_s390_ext_info {
 564         __u32 ext_params;
 565         __u32 pad;
 566         __u64 ext_params2;
 567 };
 568
 569 struct kvm_s390_pgm_info {
 570         __u64 trans_exc_code;
 571         __u64 mon_code;
 572         __u64 per_address;
 573         __u32 data_exc_code;
 574         __u16 code;
 575         __u16 mon_class_nr;
 576         __u8 per_code;
 577         __u8 per_atmid;
 578         __u8 exc_access_id;
 579         __u8 per_access_id;
 580         __u8 op_access_id;
 581 #define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 582 #define KVM_S390_PGM_FLAGS_ILC_0        0x02
 583 #define KVM_S390_PGM_FLAGS_ILC_1        0x04
 584 #define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 585 #define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 586         __u8 flags;
 587         __u8 pad[2];
 588 };
 589
 590 struct kvm_s390_prefix_info {
 591         __u32 address;
 592 };
 593
 594 struct kvm_s390_extcall_info {
 595         __u16 code;
 596 };
 597
 598 struct kvm_s390_emerg_info {
 599         __u16 code;
 600 };
 601
 602 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 603 struct kvm_s390_stop_info {
 604         __u32 flags;
 605 };
 606
 607 struct kvm_s390_mchk_info {
 608         __u64 cr14;
 609         __u64 mcic;
 610         __u64 failing_storage_address;
 611         __u32 ext_damage_code;
 612         __u32 pad;
 613         __u8 fixed_logout[16];
 614 };
 615
 616 struct kvm_s390_irq {
 617         __u64 type;
 618         union {
 619                 struct kvm_s390_io_info io;
 620                 struct kvm_s390_ext_info ext;
 621                 struct kvm_s390_pgm_info pgm;
 622                 struct kvm_s390_emerg_info emerg;
 623                 struct kvm_s390_extcall_info extcall;
 624                 struct kvm_s390_prefix_info prefix;
 625                 struct kvm_s390_stop_info stop;
 626                 struct kvm_s390_mchk_info mchk;
 627                 char reserved[64];
 628         } u;
 629 };
 630
 631 struct kvm_s390_irq_state {
 632         __u64 buf;
 633         __u32 flags;
 634         __u32 len;
 635         __u32 reserved[4];
 636 };
 637
 638 /* for KVM_SET_GUEST_DEBUG */
 639
 640 #define KVM_GUESTDBG_ENABLE             0x00000001
 641 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 642
 643 struct kvm_guest_debug {
 644         __u32 control;
 645         __u32 pad;
 646         struct kvm_guest_debug_arch arch;
 647 };
 648
 649 enum {
 650         kvm_ioeventfd_flag_nr_datamatch,
 651         kvm_ioeventfd_flag_nr_pio,
 652         kvm_ioeventfd_flag_nr_deassign,
 653         kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 654         kvm_ioeventfd_flag_nr_fast_mmio,
 655         kvm_ioeventfd_flag_nr_max,
 656 };
 657
 658 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 659 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 660 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 661 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 662         (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 663
 664 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 665
 666 struct kvm_ioeventfd {
 667         __u64 datamatch;
 668         __u64 addr;        /* legal pio/mmio address */
 669         __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 670         __s32 fd;
 671         __u32 flags;
 672         __u8  pad[36];
 673 };
 674
 675 /* for KVM_ENABLE_CAP */
 676 struct kvm_enable_cap {
 677         /* in */
 678         __u32 cap;
 679         __u32 flags;
 680         __u64 args[4];
 681         __u8  pad[64];
 682 };
 683
 684 /* for KVM_PPC_GET_PVINFO */
 685
 686 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 687
 688 struct kvm_ppc_pvinfo {
 689         /* out */
 690         __u32 flags;
 691         __u32 hcall[4];
 692         __u8  pad[108];
 693 };
 694
 695 /* for KVM_PPC_GET_SMMU_INFO */
 696 #define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 697
 698 struct kvm_ppc_one_page_size {
 699         __u32 page_shift;       /* Page shift (or 0) */
 700         __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 701 };
 702
 703 struct kvm_ppc_one_seg_page_size {
 704         __u32 page_shift;       /* Base page shift of segment (or 0) */
 705         __u32 slb_enc;          /* SLB encoding for BookS */
 706         struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 707 };
 708
 709 #define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 710 #define KVM_PPC_1T_SEGMENTS             0x00000002
 711
 712 struct kvm_ppc_smmu_info {
 713         __u64 flags;
 714         __u32 slb_size;
 715         __u16 data_keys;        /* # storage keys supported for data */
 716         __u16 instr_keys;       /* # storage keys supported for instructions */
 717         struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 718 };
 719
 720 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
 721 struct kvm_ppc_resize_hpt {
 722         __u64 flags;
 723         __u32 shift;
 724         __u32 pad;
 725 };
 726
 727 #define KVMIO 0xAE
 728
 729 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 730 #define KVM_VM_S390_UCONTROL    1
 731
 732 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 733 #define KVM_VM_PPC_HV 1
 734 #define KVM_VM_PPC_PR 2
 735
 736 /* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
 737 #define KVM_VM_MIPS_TE          0
 738 #define KVM_VM_MIPS_VZ          1
 739
 740 #define KVM_S390_SIE_PAGE_OFFSET 1
 741
 742 /*
 743  * ioctls for /dev/kvm fds:
 744  */
 745 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 746 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 747 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 748
 749 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 750 /*
 751  * Check if a kvm extension is available.  Argument is extension number,
 752  * return is 1 (yes) or 0 (no, sorry).
 753  */
 754 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 755 /*
 756  * Get size for mmap(vcpu_fd)
 757  */
 758 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 759 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 760 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 761 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 762 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 763 #define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 764
 765 /*
 766  * Extension capability list.
 767  */
 768 #define KVM_CAP_IRQCHIP   0
 769 #define KVM_CAP_HLT       1
 770 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 771 #define KVM_CAP_USER_MEMORY 3
 772 #define KVM_CAP_SET_TSS_ADDR 4
 773 #define KVM_CAP_VAPIC 6
 774 #define KVM_CAP_EXT_CPUID 7
 775 #define KVM_CAP_CLOCKSOURCE 8
 776 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 777 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 778 #define KVM_CAP_PIT 11
 779 #define KVM_CAP_NOP_IO_DELAY 12
 780 #define KVM_CAP_PV_MMU 13
 781 #define KVM_CAP_MP_STATE 14
 782 #define KVM_CAP_COALESCED_MMIO 15
 783 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 784 #define KVM_CAP_IOMMU 18
 785 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 786 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 787 #define KVM_CAP_USER_NMI 22
 788 #ifdef __KVM_HAVE_GUEST_DEBUG
 789 #define KVM_CAP_SET_GUEST_DEBUG 23
 790 #endif
 791 #ifdef __KVM_HAVE_PIT
 792 #define KVM_CAP_REINJECT_CONTROL 24
 793 #endif
 794 #define KVM_CAP_IRQ_ROUTING 25
 795 #define KVM_CAP_IRQ_INJECT_STATUS 26
 796 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 797 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 798 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 799 #ifdef __KVM_HAVE_MCE
 800 #define KVM_CAP_MCE 31
 801 #endif
 802 #define KVM_CAP_IRQFD 32
 803 #ifdef __KVM_HAVE_PIT
 804 #define KVM_CAP_PIT2 33
 805 #endif
 806 #define KVM_CAP_SET_BOOT_CPU_ID 34
 807 #ifdef __KVM_HAVE_PIT_STATE2
 808 #define KVM_CAP_PIT_STATE2 35
 809 #endif
 810 #define KVM_CAP_IOEVENTFD 36
 811 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 812 #ifdef __KVM_HAVE_XEN_HVM
 813 #define KVM_CAP_XEN_HVM 38
 814 #endif
 815 #define KVM_CAP_ADJUST_CLOCK 39
 816 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 817 #ifdef __KVM_HAVE_VCPU_EVENTS
 818 #define KVM_CAP_VCPU_EVENTS 41
 819 #endif
 820 #define KVM_CAP_S390_PSW 42
 821 #define KVM_CAP_PPC_SEGSTATE 43
 822 #define KVM_CAP_HYPERV 44
 823 #define KVM_CAP_HYPERV_VAPIC 45
 824 #define KVM_CAP_HYPERV_SPIN 46
 825 #define KVM_CAP_PCI_SEGMENT 47
 826 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 827 #define KVM_CAP_INTR_SHADOW 49
 828 #ifdef __KVM_HAVE_DEBUGREGS
 829 #define KVM_CAP_DEBUGREGS 50
 830 #endif
 831 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 832 #define KVM_CAP_PPC_OSI 52
 833 #define KVM_CAP_PPC_UNSET_IRQ 53
 834 #define KVM_CAP_ENABLE_CAP 54
 835 #ifdef __KVM_HAVE_XSAVE
 836 #define KVM_CAP_XSAVE 55
 837 #endif
 838 #ifdef __KVM_HAVE_XCRS
 839 #define KVM_CAP_XCRS 56
 840 #endif
 841 #define KVM_CAP_PPC_GET_PVINFO 57
 842 #define KVM_CAP_PPC_IRQ_LEVEL 58
 843 #define KVM_CAP_ASYNC_PF 59
 844 #define KVM_CAP_TSC_CONTROL 60
 845 #define KVM_CAP_GET_TSC_KHZ 61
 846 #define KVM_CAP_PPC_BOOKE_SREGS 62
 847 #define KVM_CAP_SPAPR_TCE 63
 848 #define KVM_CAP_PPC_SMT 64
 849 #define KVM_CAP_PPC_RMA 65
 850 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 851 #define KVM_CAP_PPC_HIOR 67
 852 #define KVM_CAP_PPC_PAPR 68
 853 #define KVM_CAP_SW_TLB 69
 854 #define KVM_CAP_ONE_REG 70
 855 #define KVM_CAP_S390_GMAP 71
 856 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 857 #define KVM_CAP_S390_UCONTROL 73
 858 #define KVM_CAP_SYNC_REGS 74
 859 #define KVM_CAP_PCI_2_3 75
 860 #define KVM_CAP_KVMCLOCK_CTRL 76
 861 #define KVM_CAP_SIGNAL_MSI 77
 862 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 863 #define KVM_CAP_S390_COW 79
 864 #define KVM_CAP_PPC_ALLOC_HTAB 80
 865 #define KVM_CAP_READONLY_MEM 81
 866 #define KVM_CAP_IRQFD_RESAMPLE 82
 867 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
 868 #define KVM_CAP_PPC_HTAB_FD 84
 869 #define KVM_CAP_S390_CSS_SUPPORT 85
 870 #define KVM_CAP_PPC_EPR 86
 871 #define KVM_CAP_ARM_PSCI 87
 872 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
 873 #define KVM_CAP_DEVICE_CTRL 89
 874 #define KVM_CAP_IRQ_MPIC 90
 875 #define KVM_CAP_PPC_RTAS 91
 876 #define KVM_CAP_IRQ_XICS 92
 877 #define KVM_CAP_ARM_EL1_32BIT 93
 878 #define KVM_CAP_SPAPR_MULTITCE 94
 879 #define KVM_CAP_EXT_EMUL_CPUID 95
 880 #define KVM_CAP_HYPERV_TIME 96
 881 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
 882 #define KVM_CAP_ENABLE_CAP_VM 98
 883 #define KVM_CAP_S390_IRQCHIP 99
 884 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
 885 #define KVM_CAP_VM_ATTRIBUTES 101
 886 #define KVM_CAP_ARM_PSCI_0_2 102
 887 #define KVM_CAP_PPC_FIXUP_HCALL 103
 888 #define KVM_CAP_PPC_ENABLE_HCALL 104
 889 #define KVM_CAP_CHECK_EXTENSION_VM 105
 890 #define KVM_CAP_S390_USER_SIGP 106
 891 #define KVM_CAP_S390_VECTOR_REGISTERS 107
 892 #define KVM_CAP_S390_MEM_OP 108
 893 #define KVM_CAP_S390_USER_STSI 109
 894 #define KVM_CAP_S390_SKEYS 110
 895 #define KVM_CAP_MIPS_FPU 111
 896 #define KVM_CAP_MIPS_MSA 112
 897 #define KVM_CAP_S390_INJECT_IRQ 113
 898 #define KVM_CAP_S390_IRQ_STATE 114
 899 #define KVM_CAP_PPC_HWRNG 115
 900 #define KVM_CAP_DISABLE_QUIRKS 116
 901 #define KVM_CAP_X86_SMM 117
 902 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
 903 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
 904 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
 905 #define KVM_CAP_SPLIT_IRQCHIP 121
 906 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
 907 #define KVM_CAP_HYPERV_SYNIC 123
 908 #define KVM_CAP_S390_RI 124
 909 #define KVM_CAP_SPAPR_TCE_64 125
 910 #define KVM_CAP_ARM_PMU_V3 126
 911 #define KVM_CAP_VCPU_ATTRIBUTES 127
 912 #define KVM_CAP_MAX_VCPU_ID 128
 913 #define KVM_CAP_X2APIC_API 129
 914 #define KVM_CAP_S390_USER_INSTR0 130
 915 #define KVM_CAP_MSI_DEVID 131
 916 #define KVM_CAP_PPC_HTM 132
 917 #define KVM_CAP_SPAPR_RESIZE_HPT 133
 918 #define KVM_CAP_PPC_MMU_RADIX 134
 919 #define KVM_CAP_PPC_MMU_HASH_V3 135
 920 #define KVM_CAP_IMMEDIATE_EXIT 136
 921 #define KVM_CAP_MIPS_VZ 137
 922 #define KVM_CAP_MIPS_TE 138
 923 #define KVM_CAP_MIPS_64BIT 139
 924 #define KVM_CAP_S390_GS 140
 925 #define KVM_CAP_S390_AIS 141
 926 #define KVM_CAP_SPAPR_TCE_VFIO 142
 927 #define KVM_CAP_X86_GUEST_MWAIT 143
 928 #define KVM_CAP_ARM_USER_IRQ 144
 929 #define KVM_CAP_S390_CMMA_MIGRATION 145
 930 #define KVM_CAP_PPC_FWNMI 146
 931 #define KVM_CAP_PPC_SMT_POSSIBLE 147
 932 #define KVM_CAP_HYPERV_SYNIC2 148
 933 #define KVM_CAP_HYPERV_VP_INDEX 149
 934 #define KVM_CAP_S390_AIS_MIGRATION 150
 935
 936 #ifdef KVM_CAP_IRQ_ROUTING
 937
 938 struct kvm_irq_routing_irqchip {
 939         __u32 irqchip;
 940         __u32 pin;
 941 };
 942
 943 struct kvm_irq_routing_msi {
 944         __u32 address_lo;
 945         __u32 address_hi;
 946         __u32 data;
 947         union {
 948                 __u32 pad;
 949                 __u32 devid;
 950         };
 951 };
 952
 953 struct kvm_irq_routing_s390_adapter {
 954         __u64 ind_addr;
 955         __u64 summary_addr;
 956         __u64 ind_offset;
 957         __u32 summary_offset;
 958         __u32 adapter_id;
 959 };
 960
 961 struct kvm_irq_routing_hv_sint {
 962         __u32 vcpu;
 963         __u32 sint;
 964 };
 965
 966 /* gsi routing entry types */
 967 #define KVM_IRQ_ROUTING_IRQCHIP 1
 968 #define KVM_IRQ_ROUTING_MSI 2
 969 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
 970 #define KVM_IRQ_ROUTING_HV_SINT 4
 971
 972 struct kvm_irq_routing_entry {
 973         __u32 gsi;
 974         __u32 type;
 975         __u32 flags;
 976         __u32 pad;
 977         union {
 978                 struct kvm_irq_routing_irqchip irqchip;
 979                 struct kvm_irq_routing_msi msi;
 980                 struct kvm_irq_routing_s390_adapter adapter;
 981                 struct kvm_irq_routing_hv_sint hv_sint;
 982                 __u32 pad[8];
 983         } u;
 984 };
 985
 986 struct kvm_irq_routing {
 987         __u32 nr;
 988         __u32 flags;
 989         struct kvm_irq_routing_entry entries[0];
 990 };
 991
 992 #endif
 993
 994 #ifdef KVM_CAP_MCE
 995 /* x86 MCE */
 996 struct kvm_x86_mce {
 997         __u64 status;
 998         __u64 addr;
 999         __u64 misc;
1000         __u64 mcg_status;
1001         __u8 bank;
1002         __u8 pad1[7];
1003         __u64 pad2[3];
1004 };
1005 #endif
1006
1007 #ifdef KVM_CAP_XEN_HVM
1008 struct kvm_xen_hvm_config {
1009         __u32 flags;
1010         __u32 msr;
1011         __u64 blob_addr_32;
1012         __u64 blob_addr_64;
1013         __u8 blob_size_32;
1014         __u8 blob_size_64;
1015         __u8 pad2[30];
1016 };
1017 #endif
1018
1019 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1020 /*
1021  * Available with KVM_CAP_IRQFD_RESAMPLE
1022  *
1023  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1024  * the irqfd to operate in resampling mode for level triggered interrupt
1025  * emulation.  See Documentation/virtual/kvm/api.txt.
1026  */
1027 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1028
1029 struct kvm_irqfd {
1030         __u32 fd;
1031         __u32 gsi;
1032         __u32 flags;
1033         __u32 resamplefd;
1034         __u8  pad[16];
1035 };
1036
1037 /* For KVM_CAP_ADJUST_CLOCK */
1038
1039 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1040 #define KVM_CLOCK_TSC_STABLE            2
1041
1042 struct kvm_clock_data {
1043         __u64 clock;
1044         __u32 flags;
1045         __u32 pad[9];
1046 };
1047
1048 /* For KVM_CAP_SW_TLB */
1049
1050 #define KVM_MMU_FSL_BOOKE_NOHV          0
1051 #define KVM_MMU_FSL_BOOKE_HV            1
1052
1053 struct kvm_config_tlb {
1054         __u64 params;
1055         __u64 array;
1056         __u32 mmu_type;
1057         __u32 array_len;
1058 };
1059
1060 struct kvm_dirty_tlb {
1061         __u64 bitmap;
1062         __u32 num_dirty;
1063 };
1064
1065 /* Available with KVM_CAP_ONE_REG */
1066
1067 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1068 #define KVM_REG_GENERIC         0x0000000000000000ULL
1069
1070 /*
1071  * Architecture specific registers are to be defined in arch headers and
1072  * ORed with the arch identifier.
1073  */
1074 #define KVM_REG_PPC             0x1000000000000000ULL
1075 #define KVM_REG_X86             0x2000000000000000ULL
1076 #define KVM_REG_IA64            0x3000000000000000ULL
1077 #define KVM_REG_ARM             0x4000000000000000ULL
1078 #define KVM_REG_S390            0x5000000000000000ULL
1079 #define KVM_REG_ARM64           0x6000000000000000ULL
1080 #define KVM_REG_MIPS            0x7000000000000000ULL
1081
1082 #define KVM_REG_SIZE_SHIFT      52
1083 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1084 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
1085 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
1086 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
1087 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
1088 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
1089 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
1090 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
1091 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1092
1093 struct kvm_reg_list {
1094         __u64 n; /* number of regs */
1095         __u64 reg[0];
1096 };
1097
1098 struct kvm_one_reg {
1099         __u64 id;
1100         __u64 addr;
1101 };
1102
1103 #define KVM_MSI_VALID_DEVID     (1U << 0)
1104 struct kvm_msi {
1105         __u32 address_lo;
1106         __u32 address_hi;
1107         __u32 data;
1108         __u32 flags;
1109         __u32 devid;
1110         __u8  pad[12];
1111 };
1112
1113 struct kvm_arm_device_addr {
1114         __u64 id;
1115         __u64 addr;
1116 };
1117
1118 /*
1119  * Device control API, available with KVM_CAP_DEVICE_CTRL
1120  */
1121 #define KVM_CREATE_DEVICE_TEST          1
1122
1123 struct kvm_create_device {
1124         __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1125         __u32   fd;     /* out: device handle */
1126         __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1127 };
1128
1129 struct kvm_device_attr {
1130         __u32   flags;          /* no flags currently defined */
1131         __u32   group;          /* device-defined */
1132         __u64   attr;           /* group-defined */
1133         __u64   addr;           /* userspace address of attr data */
1134 };
1135
1136 #define  KVM_DEV_VFIO_GROUP                     1
1137 #define   KVM_DEV_VFIO_GROUP_ADD                        1
1138 #define   KVM_DEV_VFIO_GROUP_DEL                        2
1139 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1140
1141 enum kvm_device_type {
1142         KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1143 #define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1144         KVM_DEV_TYPE_FSL_MPIC_42,
1145 #define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1146         KVM_DEV_TYPE_XICS,
1147 #define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1148         KVM_DEV_TYPE_VFIO,
1149 #define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1150         KVM_DEV_TYPE_ARM_VGIC_V2,
1151 #define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1152         KVM_DEV_TYPE_FLIC,
1153 #define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1154         KVM_DEV_TYPE_ARM_VGIC_V3,
1155 #define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1156         KVM_DEV_TYPE_ARM_VGIC_ITS,
1157 #define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1158         KVM_DEV_TYPE_MAX,
1159 };
1160
1161 struct kvm_vfio_spapr_tce {
1162         __s32   groupfd;
1163         __s32   tablefd;
1164 };
1165
1166 /*
1167  * ioctls for VM fds
1168  */
1169 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1170 /*
1171  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1172  * a vcpu fd.
1173  */
1174 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1175 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1176 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1177 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1178 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1179 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1180 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1181                                         struct kvm_userspace_memory_region)
1182 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1183 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1184
1185 /* enable ucontrol for s390 */
1186 struct kvm_s390_ucas_mapping {
1187         __u64 user_addr;
1188         __u64 vcpu_addr;
1189         __u64 length;
1190 };
1191 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1192 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1193 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1194
1195 /* Device model IOC */
1196 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1197 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1198 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1199 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1200 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1201 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1202 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1203 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1204 #define KVM_REGISTER_COALESCED_MMIO \
1205                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1206 #define KVM_UNREGISTER_COALESCED_MMIO \
1207                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1208 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1209                                        struct kvm_assigned_pci_dev)
1210 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1211 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1212 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1213 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1214 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1215 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1216                                        struct kvm_assigned_pci_dev)
1217 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1218                                        struct kvm_assigned_msix_nr)
1219 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1220                                        struct kvm_assigned_msix_entry)
1221 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1222 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1223 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1224 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1225 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1226 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1227 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1228 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1229 /* Available with KVM_CAP_PIT_STATE2 */
1230 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1231 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1232 /* Available with KVM_CAP_PPC_GET_PVINFO */
1233 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1234 /* Available with KVM_CAP_TSC_CONTROL */
1235 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1236 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1237 /* Available with KVM_CAP_PCI_2_3 */
1238 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1239                                        struct kvm_assigned_pci_dev)
1240 /* Available with KVM_CAP_SIGNAL_MSI */
1241 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1242 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1243 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1244 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1245 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1246 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1247 #define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1248                                        struct kvm_create_spapr_tce_64)
1249 /* Available with KVM_CAP_RMA */
1250 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1251 /* Available with KVM_CAP_PPC_HTAB_FD */
1252 #define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1253 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1254 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1255 /* Available with KVM_CAP_PPC_RTAS */
1256 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1257 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1258 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1259 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1260 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1261 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1262 /* Available with KVM_CAP_PPC_RADIX_MMU */
1263 #define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1264
1265 /* ioctl for vm fd */
1266 #define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1267
1268 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1269 #define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1270 #define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1271 #define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1272
1273 /*
1274  * ioctls for vcpu fds
1275  */
1276 #define KVM_RUN                   _IO(KVMIO,   0x80)
1277 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1278 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1279 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1280 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1281 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1282 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1283 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1284 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1285 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1286 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1287 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1288 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1289 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1290 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1291 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1292 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1293 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1294 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1295 /* Available with KVM_CAP_VAPIC */
1296 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1297 /* Available with KVM_CAP_VAPIC */
1298 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1299 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1300 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1301 /* store status for s390 */
1302 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1303 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1304 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1305 /* initial ipl psw for s390 */
1306 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1307 /* initial reset for s390 */
1308 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1309 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1310 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1311 /* Available with KVM_CAP_USER_NMI */
1312 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1313 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1314 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1315 /* MCE for x86 */
1316 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1317 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1318 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1319 /* Available with KVM_CAP_VCPU_EVENTS */
1320 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1321 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1322 /* Available with KVM_CAP_DEBUGREGS */
1323 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1324 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1325 /*
1326  * vcpu version available with KVM_ENABLE_CAP
1327  * vm version available with KVM_CAP_ENABLE_CAP_VM
1328  */
1329 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1330 /* Available with KVM_CAP_XSAVE */
1331 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1332 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1333 /* Available with KVM_CAP_XCRS */
1334 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1335 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1336 /* Available with KVM_CAP_SW_TLB */
1337 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1338 /* Available with KVM_CAP_ONE_REG */
1339 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1340 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1341 /* VM is being stopped by host */
1342 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1343 #define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1344 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1345 #define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1346 /* Available with KVM_CAP_S390_MEM_OP */
1347 #define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1348 /* Available with KVM_CAP_S390_SKEYS */
1349 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1350 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1351 /* Available with KVM_CAP_S390_INJECT_IRQ */
1352 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1353 /* Available with KVM_CAP_S390_IRQ_STATE */
1354 #define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1355 #define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1356 /* Available with KVM_CAP_X86_SMM */
1357 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1358 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1359 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1360 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1361
1362 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
1363 #define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
1364 #define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
1365
1366 struct kvm_assigned_pci_dev {
1367         __u32 assigned_dev_id;
1368         __u32 busnr;
1369         __u32 devfn;
1370         __u32 flags;
1371         __u32 segnr;
1372         union {
1373                 __u32 reserved[11];
1374         };
1375 };
1376
1377 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1378 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1379 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1380
1381 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1382 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1383 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1384
1385 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
1386 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1387
1388 struct kvm_assigned_irq {
1389         __u32 assigned_dev_id;
1390         __u32 host_irq; /* ignored (legacy field) */
1391         __u32 guest_irq;
1392         __u32 flags;
1393         union {
1394                 __u32 reserved[12];
1395         };
1396 };
1397
1398 struct kvm_assigned_msix_nr {
1399         __u32 assigned_dev_id;
1400         __u16 entry_nr;
1401         __u16 padding;
1402 };
1403
1404 #define KVM_MAX_MSIX_PER_DEV            256
1405 struct kvm_assigned_msix_entry {
1406         __u32 assigned_dev_id;
1407         __u32 gsi;
1408         __u16 entry; /* The index of entry in the MSI-X table */
1409         __u16 padding[3];
1410 };
1411
1412 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1413 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1414
1415 /* Available with KVM_CAP_ARM_USER_IRQ */
1416
1417 /* Bits for run->s.regs.device_irq_level */
1418 #define KVM_ARM_DEV_EL1_VTIMER          (1 << 0)
1419 #define KVM_ARM_DEV_EL1_PTIMER          (1 << 1)
1420 #define KVM_ARM_DEV_PMU                 (1 << 2)
1421
1422 #endif /* __LINUX_KVM_H */