include/uapi/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/const.h>
  12 #include <linux/types.h>
  13 #include <linux/compiler.h>
  14 #include <linux/ioctl.h>
  15 #include <asm/kvm.h>
  16
  17 #define KVM_API_VERSION 12
  18
  19 /* *** Deprecated interfaces *** */
  20
  21 #define KVM_TRC_SHIFT           16
  22
  23 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
  24 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
  25
  26 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
  27 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
  28 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
  29
  30 #define KVM_TRC_HEAD_SIZE       12
  31 #define KVM_TRC_CYCLE_SIZE      8
  32 #define KVM_TRC_EXTRA_MAX       7
  33
  34 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
  35 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
  36 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
  37 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
  38 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
  39 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
  40 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
  41 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
  42 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
  43 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
  44 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
  45 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
  46 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
  47 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
  48 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
  49 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
  50 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
  51 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
  52 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
  53 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
  54 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
  55 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
  56 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
  57 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
  58
  59 struct kvm_user_trace_setup {
  60         __u32 buf_size;
  61         __u32 buf_nr;
  62 };
  63
  64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
  65         _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
  66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
  67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
  68
  69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
  70
  71 struct kvm_breakpoint {
  72         __u32 enabled;
  73         __u32 padding;
  74         __u64 address;
  75 };
  76
  77 struct kvm_debug_guest {
  78         __u32 enabled;
  79         __u32 pad;
  80         struct kvm_breakpoint breakpoints[4];
  81         __u32 singlestep;
  82 };
  83
  84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
  85
  86 /* *** End of deprecated interfaces *** */
  87
  88
  89 /* for KVM_CREATE_MEMORY_REGION */
  90 struct kvm_memory_region {
  91         __u32 slot;
  92         __u32 flags;
  93         __u64 guest_phys_addr;
  94         __u64 memory_size; /* bytes */
  95 };
  96
  97 /* for KVM_SET_USER_MEMORY_REGION */
  98 struct kvm_userspace_memory_region {
  99         __u32 slot;
 100         __u32 flags;
 101         __u64 guest_phys_addr;
 102         __u64 memory_size; /* bytes */
 103         __u64 userspace_addr; /* start of the userspace allocated memory */
 104 };
 105
 106 /*
 107  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
 108  * other bits are reserved for kvm internal use which are defined in
 109  * include/linux/kvm_host.h.
 110  */
 111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
 112 #define KVM_MEM_READONLY        (1UL << 1)
 113
 114 /* for KVM_IRQ_LINE */
 115 struct kvm_irq_level {
 116         /*
 117          * ACPI gsi notion of irq.
 118          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
 119          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
 120          * For ARM: See Documentation/virt/kvm/api.rst
 121          */
 122         union {
 123                 __u32 irq;
 124                 __s32 status;
 125         };
 126         __u32 level;
 127 };
 128
 129
 130 struct kvm_irqchip {
 131         __u32 chip_id;
 132         __u32 pad;
 133         union {
 134                 char dummy[512];  /* reserving space */
 135 #ifdef __KVM_HAVE_PIT
 136                 struct kvm_pic_state pic;
 137 #endif
 138 #ifdef __KVM_HAVE_IOAPIC
 139                 struct kvm_ioapic_state ioapic;
 140 #endif
 141         } chip;
 142 };
 143
 144 /* for KVM_CREATE_PIT2 */
 145 struct kvm_pit_config {
 146         __u32 flags;
 147         __u32 pad[15];
 148 };
 149
 150 #define KVM_PIT_SPEAKER_DUMMY     1
 151
 152 struct kvm_s390_skeys {
 153         __u64 start_gfn;
 154         __u64 count;
 155         __u64 skeydata_addr;
 156         __u32 flags;
 157         __u32 reserved[9];
 158 };
 159
 160 #define KVM_S390_CMMA_PEEK (1 << 0)
 161
 162 /**
 163  * kvm_s390_cmma_log - Used for CMMA migration.
 164  *
 165  * Used both for input and output.
 166  *
 167  * @start_gfn: Guest page number to start from.
 168  * @count: Size of the result buffer.
 169  * @flags: Control operation mode via KVM_S390_CMMA_* flags
 170  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
 171  *             pages are still remaining.
 172  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
 173  *        in the PGSTE.
 174  * @values: Pointer to the values buffer.
 175  *
 176  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
 177  */
 178 struct kvm_s390_cmma_log {
 179         __u64 start_gfn;
 180         __u32 count;
 181         __u32 flags;
 182         union {
 183                 __u64 remaining;
 184                 __u64 mask;
 185         };
 186         __u64 values;
 187 };
 188
 189 struct kvm_hyperv_exit {
 190 #define KVM_EXIT_HYPERV_SYNIC          1
 191 #define KVM_EXIT_HYPERV_HCALL          2
 192 #define KVM_EXIT_HYPERV_SYNDBG         3
 193         __u32 type;
 194         __u32 pad1;
 195         union {
 196                 struct {
 197                         __u32 msr;
 198                         __u32 pad2;
 199                         __u64 control;
 200                         __u64 evt_page;
 201                         __u64 msg_page;
 202                 } synic;
 203                 struct {
 204                         __u64 input;
 205                         __u64 result;
 206                         __u64 params[2];
 207                 } hcall;
 208                 struct {
 209                         __u32 msr;
 210                         __u32 pad2;
 211                         __u64 control;
 212                         __u64 status;
 213                         __u64 send_page;
 214                         __u64 recv_page;
 215                         __u64 pending_page;
 216                 } syndbg;
 217         } u;
 218 };
 219
 220 struct kvm_xen_exit {
 221 #define KVM_EXIT_XEN_HCALL          1
 222         __u32 type;
 223         union {
 224                 struct {
 225                         __u32 longmode;
 226                         __u32 cpl;
 227                         __u64 input;
 228                         __u64 result;
 229                         __u64 params[6];
 230                 } hcall;
 231         } u;
 232 };
 233
 234 #define KVM_S390_GET_SKEYS_NONE   1
 235 #define KVM_S390_SKEYS_MAX        1048576
 236
 237 #define KVM_EXIT_UNKNOWN          0
 238 #define KVM_EXIT_EXCEPTION        1
 239 #define KVM_EXIT_IO               2
 240 #define KVM_EXIT_HYPERCALL        3
 241 #define KVM_EXIT_DEBUG            4
 242 #define KVM_EXIT_HLT              5
 243 #define KVM_EXIT_MMIO             6
 244 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 245 #define KVM_EXIT_SHUTDOWN         8
 246 #define KVM_EXIT_FAIL_ENTRY       9
 247 #define KVM_EXIT_INTR             10
 248 #define KVM_EXIT_SET_TPR          11
 249 #define KVM_EXIT_TPR_ACCESS       12
 250 #define KVM_EXIT_S390_SIEIC       13
 251 #define KVM_EXIT_S390_RESET       14
 252 #define KVM_EXIT_DCR              15 /* deprecated */
 253 #define KVM_EXIT_NMI              16
 254 #define KVM_EXIT_INTERNAL_ERROR   17
 255 #define KVM_EXIT_OSI              18
 256 #define KVM_EXIT_PAPR_HCALL       19
 257 #define KVM_EXIT_S390_UCONTROL    20
 258 #define KVM_EXIT_WATCHDOG         21
 259 #define KVM_EXIT_S390_TSCH        22
 260 #define KVM_EXIT_EPR              23
 261 #define KVM_EXIT_SYSTEM_EVENT     24
 262 #define KVM_EXIT_S390_STSI        25
 263 #define KVM_EXIT_IOAPIC_EOI       26
 264 #define KVM_EXIT_HYPERV           27
 265 #define KVM_EXIT_ARM_NISV         28
 266 #define KVM_EXIT_X86_RDMSR        29
 267 #define KVM_EXIT_X86_WRMSR        30
 268 #define KVM_EXIT_DIRTY_RING_FULL  31
 269 #define KVM_EXIT_AP_RESET_HOLD    32
 270 #define KVM_EXIT_X86_BUS_LOCK     33
 271 #define KVM_EXIT_XEN              34
 272
 273 /* For KVM_EXIT_INTERNAL_ERROR */
 274 /* Emulate instruction failed. */
 275 #define KVM_INTERNAL_ERROR_EMULATION    1
 276 /* Encounter unexpected simultaneous exceptions. */
 277 #define KVM_INTERNAL_ERROR_SIMUL_EX     2
 278 /* Encounter unexpected vm-exit due to delivery event. */
 279 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 280 /* Encounter unexpected vm-exit reason */
 281 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON       4
 282
 283 /* Flags that describe what fields in emulation_failure hold valid data. */
 284 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
 285
 286 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 287 struct kvm_run {
 288         /* in */
 289         __u8 request_interrupt_window;
 290         __u8 immediate_exit;
 291         __u8 padding1[6];
 292
 293         /* out */
 294         __u32 exit_reason;
 295         __u8 ready_for_interrupt_injection;
 296         __u8 if_flag;
 297         __u16 flags;
 298
 299         /* in (pre_kvm_run), out (post_kvm_run) */
 300         __u64 cr8;
 301         __u64 apic_base;
 302
 303 #ifdef __KVM_S390
 304         /* the processor status word for s390 */
 305         __u64 psw_mask; /* psw upper half */
 306         __u64 psw_addr; /* psw lower half */
 307 #endif
 308         union {
 309                 /* KVM_EXIT_UNKNOWN */
 310                 struct {
 311                         __u64 hardware_exit_reason;
 312                 } hw;
 313                 /* KVM_EXIT_FAIL_ENTRY */
 314                 struct {
 315                         __u64 hardware_entry_failure_reason;
 316                         __u32 cpu;
 317                 } fail_entry;
 318                 /* KVM_EXIT_EXCEPTION */
 319                 struct {
 320                         __u32 exception;
 321                         __u32 error_code;
 322                 } ex;
 323                 /* KVM_EXIT_IO */
 324                 struct {
 325 #define KVM_EXIT_IO_IN  0
 326 #define KVM_EXIT_IO_OUT 1
 327                         __u8 direction;
 328                         __u8 size; /* bytes */
 329                         __u16 port;
 330                         __u32 count;
 331                         __u64 data_offset; /* relative to kvm_run start */
 332                 } io;
 333                 /* KVM_EXIT_DEBUG */
 334                 struct {
 335                         struct kvm_debug_exit_arch arch;
 336                 } debug;
 337                 /* KVM_EXIT_MMIO */
 338                 struct {
 339                         __u64 phys_addr;
 340                         __u8  data[8];
 341                         __u32 len;
 342                         __u8  is_write;
 343                 } mmio;
 344                 /* KVM_EXIT_HYPERCALL */
 345                 struct {
 346                         __u64 nr;
 347                         __u64 args[6];
 348                         __u64 ret;
 349                         __u32 longmode;
 350                         __u32 pad;
 351                 } hypercall;
 352                 /* KVM_EXIT_TPR_ACCESS */
 353                 struct {
 354                         __u64 rip;
 355                         __u32 is_write;
 356                         __u32 pad;
 357                 } tpr_access;
 358                 /* KVM_EXIT_S390_SIEIC */
 359                 struct {
 360                         __u8 icptcode;
 361                         __u16 ipa;
 362                         __u32 ipb;
 363                 } s390_sieic;
 364                 /* KVM_EXIT_S390_RESET */
 365 #define KVM_S390_RESET_POR       1
 366 #define KVM_S390_RESET_CLEAR     2
 367 #define KVM_S390_RESET_SUBSYSTEM 4
 368 #define KVM_S390_RESET_CPU_INIT  8
 369 #define KVM_S390_RESET_IPL       16
 370                 __u64 s390_reset_flags;
 371                 /* KVM_EXIT_S390_UCONTROL */
 372                 struct {
 373                         __u64 trans_exc_code;
 374                         __u32 pgm_code;
 375                 } s390_ucontrol;
 376                 /* KVM_EXIT_DCR (deprecated) */
 377                 struct {
 378                         __u32 dcrn;
 379                         __u32 data;
 380                         __u8  is_write;
 381                 } dcr;
 382                 /* KVM_EXIT_INTERNAL_ERROR */
 383                 struct {
 384                         __u32 suberror;
 385                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 386                         __u32 ndata;
 387                         __u64 data[16];
 388                 } internal;
 389                 /*
 390                  * KVM_INTERNAL_ERROR_EMULATION
 391                  *
 392                  * "struct emulation_failure" is an overlay of "struct internal"
 393                  * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
 394                  * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
 395                  * sub-types, this struct is ABI!  It also needs to be backwards
 396                  * compatible with "struct internal".  Take special care that
 397                  * "ndata" is correct, that new fields are enumerated in "flags",
 398                  * and that each flag enumerates fields that are 64-bit aligned
 399                  * and sized (so that ndata+internal.data[] is valid/accurate).
 400                  */
 401                 struct {
 402                         __u32 suberror;
 403                         __u32 ndata;
 404                         __u64 flags;
 405                         __u8  insn_size;
 406                         __u8  insn_bytes[15];
 407                 } emulation_failure;
 408                 /* KVM_EXIT_OSI */
 409                 struct {
 410                         __u64 gprs[32];
 411                 } osi;
 412                 /* KVM_EXIT_PAPR_HCALL */
 413                 struct {
 414                         __u64 nr;
 415                         __u64 ret;
 416                         __u64 args[9];
 417                 } papr_hcall;
 418                 /* KVM_EXIT_S390_TSCH */
 419                 struct {
 420                         __u16 subchannel_id;
 421                         __u16 subchannel_nr;
 422                         __u32 io_int_parm;
 423                         __u32 io_int_word;
 424                         __u32 ipb;
 425                         __u8 dequeued;
 426                 } s390_tsch;
 427                 /* KVM_EXIT_EPR */
 428                 struct {
 429                         __u32 epr;
 430                 } epr;
 431                 /* KVM_EXIT_SYSTEM_EVENT */
 432                 struct {
 433 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
 434 #define KVM_SYSTEM_EVENT_RESET          2
 435 #define KVM_SYSTEM_EVENT_CRASH          3
 436                         __u32 type;
 437                         __u64 flags;
 438                 } system_event;
 439                 /* KVM_EXIT_S390_STSI */
 440                 struct {
 441                         __u64 addr;
 442                         __u8 ar;
 443                         __u8 reserved;
 444                         __u8 fc;
 445                         __u8 sel1;
 446                         __u16 sel2;
 447                 } s390_stsi;
 448                 /* KVM_EXIT_IOAPIC_EOI */
 449                 struct {
 450                         __u8 vector;
 451                 } eoi;
 452                 /* KVM_EXIT_HYPERV */
 453                 struct kvm_hyperv_exit hyperv;
 454                 /* KVM_EXIT_ARM_NISV */
 455                 struct {
 456                         __u64 esr_iss;
 457                         __u64 fault_ipa;
 458                 } arm_nisv;
 459                 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
 460                 struct {
 461                         __u8 error; /* user -> kernel */
 462                         __u8 pad[7];
 463 #define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
 464 #define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
 465 #define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
 466                         __u32 reason; /* kernel -> user */
 467                         __u32 index; /* kernel -> user */
 468                         __u64 data; /* kernel <-> user */
 469                 } msr;
 470                 /* KVM_EXIT_XEN */
 471                 struct kvm_xen_exit xen;
 472                 /* Fix the size of the union. */
 473                 char padding[256];
 474         };
 475
 476         /* 2048 is the size of the char array used to bound/pad the size
 477          * of the union that holds sync regs.
 478          */
 479         #define SYNC_REGS_SIZE_BYTES 2048
 480         /*
 481          * shared registers between kvm and userspace.
 482          * kvm_valid_regs specifies the register classes set by the host
 483          * kvm_dirty_regs specified the register classes dirtied by userspace
 484          * struct kvm_sync_regs is architecture specific, as well as the
 485          * bits for kvm_valid_regs and kvm_dirty_regs
 486          */
 487         __u64 kvm_valid_regs;
 488         __u64 kvm_dirty_regs;
 489         union {
 490                 struct kvm_sync_regs regs;
 491                 char padding[SYNC_REGS_SIZE_BYTES];
 492         } s;
 493 };
 494
 495 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 496
 497 struct kvm_coalesced_mmio_zone {
 498         __u64 addr;
 499         __u32 size;
 500         union {
 501                 __u32 pad;
 502                 __u32 pio;
 503         };
 504 };
 505
 506 struct kvm_coalesced_mmio {
 507         __u64 phys_addr;
 508         __u32 len;
 509         union {
 510                 __u32 pad;
 511                 __u32 pio;
 512         };
 513         __u8  data[8];
 514 };
 515
 516 struct kvm_coalesced_mmio_ring {
 517         __u32 first, last;
 518         struct kvm_coalesced_mmio coalesced_mmio[0];
 519 };
 520
 521 #define KVM_COALESCED_MMIO_MAX \
 522         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 523          sizeof(struct kvm_coalesced_mmio))
 524
 525 /* for KVM_TRANSLATE */
 526 struct kvm_translation {
 527         /* in */
 528         __u64 linear_address;
 529
 530         /* out */
 531         __u64 physical_address;
 532         __u8  valid;
 533         __u8  writeable;
 534         __u8  usermode;
 535         __u8  pad[5];
 536 };
 537
 538 /* for KVM_S390_MEM_OP */
 539 struct kvm_s390_mem_op {
 540         /* in */
 541         __u64 gaddr;            /* the guest address */
 542         __u64 flags;            /* flags */
 543         __u32 size;             /* amount of bytes */
 544         __u32 op;               /* type of operation */
 545         __u64 buf;              /* buffer in userspace */
 546         union {
 547                 struct {
 548                         __u8 ar;        /* the access register number */
 549                         __u8 key;       /* access key, ignored if flag unset */
 550                 };
 551                 __u32 sida_offset; /* offset into the sida */
 552                 __u8 reserved[32]; /* ignored */
 553         };
 554 };
 555 /* types for kvm_s390_mem_op->op */
 556 #define KVM_S390_MEMOP_LOGICAL_READ     0
 557 #define KVM_S390_MEMOP_LOGICAL_WRITE    1
 558 #define KVM_S390_MEMOP_SIDA_READ        2
 559 #define KVM_S390_MEMOP_SIDA_WRITE       3
 560 #define KVM_S390_MEMOP_ABSOLUTE_READ    4
 561 #define KVM_S390_MEMOP_ABSOLUTE_WRITE   5
 562 /* flags for kvm_s390_mem_op->flags */
 563 #define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
 564 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
 565 #define KVM_S390_MEMOP_F_SKEY_PROTECTION        (1ULL << 2)
 566
 567 /* for KVM_INTERRUPT */
 568 struct kvm_interrupt {
 569         /* in */
 570         __u32 irq;
 571 };
 572
 573 /* for KVM_GET_DIRTY_LOG */
 574 struct kvm_dirty_log {
 575         __u32 slot;
 576         __u32 padding1;
 577         union {
 578                 void __user *dirty_bitmap; /* one bit per page */
 579                 __u64 padding2;
 580         };
 581 };
 582
 583 /* for KVM_CLEAR_DIRTY_LOG */
 584 struct kvm_clear_dirty_log {
 585         __u32 slot;
 586         __u32 num_pages;
 587         __u64 first_page;
 588         union {
 589                 void __user *dirty_bitmap; /* one bit per page */
 590                 __u64 padding2;
 591         };
 592 };
 593
 594 /* for KVM_SET_SIGNAL_MASK */
 595 struct kvm_signal_mask {
 596         __u32 len;
 597         __u8  sigset[0];
 598 };
 599
 600 /* for KVM_TPR_ACCESS_REPORTING */
 601 struct kvm_tpr_access_ctl {
 602         __u32 enabled;
 603         __u32 flags;
 604         __u32 reserved[8];
 605 };
 606
 607 /* for KVM_SET_VAPIC_ADDR */
 608 struct kvm_vapic_addr {
 609         __u64 vapic_addr;
 610 };
 611
 612 /* for KVM_SET_MP_STATE */
 613
 614 /* not all states are valid on all architectures */
 615 #define KVM_MP_STATE_RUNNABLE          0
 616 #define KVM_MP_STATE_UNINITIALIZED     1
 617 #define KVM_MP_STATE_INIT_RECEIVED     2
 618 #define KVM_MP_STATE_HALTED            3
 619 #define KVM_MP_STATE_SIPI_RECEIVED     4
 620 #define KVM_MP_STATE_STOPPED           5
 621 #define KVM_MP_STATE_CHECK_STOP        6
 622 #define KVM_MP_STATE_OPERATING         7
 623 #define KVM_MP_STATE_LOAD              8
 624 #define KVM_MP_STATE_AP_RESET_HOLD     9
 625
 626 struct kvm_mp_state {
 627         __u32 mp_state;
 628 };
 629
 630 struct kvm_s390_psw {
 631         __u64 mask;
 632         __u64 addr;
 633 };
 634
 635 /* valid values for type in kvm_s390_interrupt */
 636 #define KVM_S390_SIGP_STOP              0xfffe0000u
 637 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 638 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 639 #define KVM_S390_RESTART                0xfffe0003u
 640 #define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 641 #define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 642 #define KVM_S390_MCHK                   0xfffe1000u
 643 #define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 644 #define KVM_S390_INT_CPU_TIMER          0xffff1005u
 645 #define KVM_S390_INT_VIRTIO             0xffff2603u
 646 #define KVM_S390_INT_SERVICE            0xffff2401u
 647 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 648 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 649 /* Anything below 0xfffe0000u is taken by INT_IO */
 650 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 651         (((schid)) |                           \
 652          ((ssid) << 16) |                      \
 653          ((cssid) << 18) |                     \
 654          ((ai) << 26))
 655 #define KVM_S390_INT_IO_MIN             0x00000000u
 656 #define KVM_S390_INT_IO_MAX             0xfffdffffu
 657 #define KVM_S390_INT_IO_AI_MASK         0x04000000u
 658
 659
 660 struct kvm_s390_interrupt {
 661         __u32 type;
 662         __u32 parm;
 663         __u64 parm64;
 664 };
 665
 666 struct kvm_s390_io_info {
 667         __u16 subchannel_id;
 668         __u16 subchannel_nr;
 669         __u32 io_int_parm;
 670         __u32 io_int_word;
 671 };
 672
 673 struct kvm_s390_ext_info {
 674         __u32 ext_params;
 675         __u32 pad;
 676         __u64 ext_params2;
 677 };
 678
 679 struct kvm_s390_pgm_info {
 680         __u64 trans_exc_code;
 681         __u64 mon_code;
 682         __u64 per_address;
 683         __u32 data_exc_code;
 684         __u16 code;
 685         __u16 mon_class_nr;
 686         __u8 per_code;
 687         __u8 per_atmid;
 688         __u8 exc_access_id;
 689         __u8 per_access_id;
 690         __u8 op_access_id;
 691 #define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 692 #define KVM_S390_PGM_FLAGS_ILC_0        0x02
 693 #define KVM_S390_PGM_FLAGS_ILC_1        0x04
 694 #define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 695 #define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 696         __u8 flags;
 697         __u8 pad[2];
 698 };
 699
 700 struct kvm_s390_prefix_info {
 701         __u32 address;
 702 };
 703
 704 struct kvm_s390_extcall_info {
 705         __u16 code;
 706 };
 707
 708 struct kvm_s390_emerg_info {
 709         __u16 code;
 710 };
 711
 712 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 713 struct kvm_s390_stop_info {
 714         __u32 flags;
 715 };
 716
 717 struct kvm_s390_mchk_info {
 718         __u64 cr14;
 719         __u64 mcic;
 720         __u64 failing_storage_address;
 721         __u32 ext_damage_code;
 722         __u32 pad;
 723         __u8 fixed_logout[16];
 724 };
 725
 726 struct kvm_s390_irq {
 727         __u64 type;
 728         union {
 729                 struct kvm_s390_io_info io;
 730                 struct kvm_s390_ext_info ext;
 731                 struct kvm_s390_pgm_info pgm;
 732                 struct kvm_s390_emerg_info emerg;
 733                 struct kvm_s390_extcall_info extcall;
 734                 struct kvm_s390_prefix_info prefix;
 735                 struct kvm_s390_stop_info stop;
 736                 struct kvm_s390_mchk_info mchk;
 737                 char reserved[64];
 738         } u;
 739 };
 740
 741 struct kvm_s390_irq_state {
 742         __u64 buf;
 743         __u32 flags;        /* will stay unused for compatibility reasons */
 744         __u32 len;
 745         __u32 reserved[4];  /* will stay unused for compatibility reasons */
 746 };
 747
 748 /* for KVM_SET_GUEST_DEBUG */
 749
 750 #define KVM_GUESTDBG_ENABLE             0x00000001
 751 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 752
 753 struct kvm_guest_debug {
 754         __u32 control;
 755         __u32 pad;
 756         struct kvm_guest_debug_arch arch;
 757 };
 758
 759 enum {
 760         kvm_ioeventfd_flag_nr_datamatch,
 761         kvm_ioeventfd_flag_nr_pio,
 762         kvm_ioeventfd_flag_nr_deassign,
 763         kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 764         kvm_ioeventfd_flag_nr_fast_mmio,
 765         kvm_ioeventfd_flag_nr_max,
 766 };
 767
 768 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 769 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 770 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 771 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 772         (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 773
 774 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 775
 776 struct kvm_ioeventfd {
 777         __u64 datamatch;
 778         __u64 addr;        /* legal pio/mmio address */
 779         __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 780         __s32 fd;
 781         __u32 flags;
 782         __u8  pad[36];
 783 };
 784
 785 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
 786 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
 787 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
 788 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
 789 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
 790                                               KVM_X86_DISABLE_EXITS_HLT | \
 791                                               KVM_X86_DISABLE_EXITS_PAUSE | \
 792                                               KVM_X86_DISABLE_EXITS_CSTATE)
 793
 794 /* for KVM_ENABLE_CAP */
 795 struct kvm_enable_cap {
 796         /* in */
 797         __u32 cap;
 798         __u32 flags;
 799         __u64 args[4];
 800         __u8  pad[64];
 801 };
 802
 803 /* for KVM_PPC_GET_PVINFO */
 804
 805 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 806
 807 struct kvm_ppc_pvinfo {
 808         /* out */
 809         __u32 flags;
 810         __u32 hcall[4];
 811         __u8  pad[108];
 812 };
 813
 814 /* for KVM_PPC_GET_SMMU_INFO */
 815 #define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 816
 817 struct kvm_ppc_one_page_size {
 818         __u32 page_shift;       /* Page shift (or 0) */
 819         __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 820 };
 821
 822 struct kvm_ppc_one_seg_page_size {
 823         __u32 page_shift;       /* Base page shift of segment (or 0) */
 824         __u32 slb_enc;          /* SLB encoding for BookS */
 825         struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 826 };
 827
 828 #define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 829 #define KVM_PPC_1T_SEGMENTS             0x00000002
 830 #define KVM_PPC_NO_HASH                 0x00000004
 831
 832 struct kvm_ppc_smmu_info {
 833         __u64 flags;
 834         __u32 slb_size;
 835         __u16 data_keys;        /* # storage keys supported for data */
 836         __u16 instr_keys;       /* # storage keys supported for instructions */
 837         struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 838 };
 839
 840 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
 841 struct kvm_ppc_resize_hpt {
 842         __u64 flags;
 843         __u32 shift;
 844         __u32 pad;
 845 };
 846
 847 #define KVMIO 0xAE
 848
 849 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 850 #define KVM_VM_S390_UCONTROL    1
 851
 852 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 853 #define KVM_VM_PPC_HV 1
 854 #define KVM_VM_PPC_PR 2
 855
 856 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
 857 #define KVM_VM_MIPS_AUTO        0
 858 #define KVM_VM_MIPS_VZ          1
 859 #define KVM_VM_MIPS_TE          2
 860
 861 #define KVM_S390_SIE_PAGE_OFFSET 1
 862
 863 /*
 864  * On arm64, machine type can be used to request the physical
 865  * address size for the VM. Bits[7-0] are reserved for the guest
 866  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 867  * value 0 implies the default IPA size, 40bits.
 868  */
 869 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
 870 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
 871         ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 872 /*
 873  * ioctls for /dev/kvm fds:
 874  */
 875 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 876 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 877 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 878
 879 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 880 /*
 881  * Check if a kvm extension is available.  Argument is extension number,
 882  * return is 1 (yes) or 0 (no, sorry).
 883  */
 884 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 885 /*
 886  * Get size for mmap(vcpu_fd)
 887  */
 888 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 889 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 890 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 891 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 892 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 893 #define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 894 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 895
 896 /*
 897  * Extension capability list.
 898  */
 899 #define KVM_CAP_IRQCHIP   0
 900 #define KVM_CAP_HLT       1
 901 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 902 #define KVM_CAP_USER_MEMORY 3
 903 #define KVM_CAP_SET_TSS_ADDR 4
 904 #define KVM_CAP_VAPIC 6
 905 #define KVM_CAP_EXT_CPUID 7
 906 #define KVM_CAP_CLOCKSOURCE 8
 907 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 908 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 909 #define KVM_CAP_PIT 11
 910 #define KVM_CAP_NOP_IO_DELAY 12
 911 #define KVM_CAP_PV_MMU 13
 912 #define KVM_CAP_MP_STATE 14
 913 #define KVM_CAP_COALESCED_MMIO 15
 914 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 915 #define KVM_CAP_IOMMU 18
 916 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 917 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 918 #define KVM_CAP_USER_NMI 22
 919 #ifdef __KVM_HAVE_GUEST_DEBUG
 920 #define KVM_CAP_SET_GUEST_DEBUG 23
 921 #endif
 922 #ifdef __KVM_HAVE_PIT
 923 #define KVM_CAP_REINJECT_CONTROL 24
 924 #endif
 925 #define KVM_CAP_IRQ_ROUTING 25
 926 #define KVM_CAP_IRQ_INJECT_STATUS 26
 927 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 928 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 929 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 930 #ifdef __KVM_HAVE_MCE
 931 #define KVM_CAP_MCE 31
 932 #endif
 933 #define KVM_CAP_IRQFD 32
 934 #ifdef __KVM_HAVE_PIT
 935 #define KVM_CAP_PIT2 33
 936 #endif
 937 #define KVM_CAP_SET_BOOT_CPU_ID 34
 938 #ifdef __KVM_HAVE_PIT_STATE2
 939 #define KVM_CAP_PIT_STATE2 35
 940 #endif
 941 #define KVM_CAP_IOEVENTFD 36
 942 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 943 #ifdef __KVM_HAVE_XEN_HVM
 944 #define KVM_CAP_XEN_HVM 38
 945 #endif
 946 #define KVM_CAP_ADJUST_CLOCK 39
 947 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 948 #ifdef __KVM_HAVE_VCPU_EVENTS
 949 #define KVM_CAP_VCPU_EVENTS 41
 950 #endif
 951 #define KVM_CAP_S390_PSW 42
 952 #define KVM_CAP_PPC_SEGSTATE 43
 953 #define KVM_CAP_HYPERV 44
 954 #define KVM_CAP_HYPERV_VAPIC 45
 955 #define KVM_CAP_HYPERV_SPIN 46
 956 #define KVM_CAP_PCI_SEGMENT 47
 957 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 958 #define KVM_CAP_INTR_SHADOW 49
 959 #ifdef __KVM_HAVE_DEBUGREGS
 960 #define KVM_CAP_DEBUGREGS 50
 961 #endif
 962 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 963 #define KVM_CAP_PPC_OSI 52
 964 #define KVM_CAP_PPC_UNSET_IRQ 53
 965 #define KVM_CAP_ENABLE_CAP 54
 966 #ifdef __KVM_HAVE_XSAVE
 967 #define KVM_CAP_XSAVE 55
 968 #endif
 969 #ifdef __KVM_HAVE_XCRS
 970 #define KVM_CAP_XCRS 56
 971 #endif
 972 #define KVM_CAP_PPC_GET_PVINFO 57
 973 #define KVM_CAP_PPC_IRQ_LEVEL 58
 974 #define KVM_CAP_ASYNC_PF 59
 975 #define KVM_CAP_TSC_CONTROL 60
 976 #define KVM_CAP_GET_TSC_KHZ 61
 977 #define KVM_CAP_PPC_BOOKE_SREGS 62
 978 #define KVM_CAP_SPAPR_TCE 63
 979 #define KVM_CAP_PPC_SMT 64
 980 #define KVM_CAP_PPC_RMA 65
 981 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 982 #define KVM_CAP_PPC_HIOR 67
 983 #define KVM_CAP_PPC_PAPR 68
 984 #define KVM_CAP_SW_TLB 69
 985 #define KVM_CAP_ONE_REG 70
 986 #define KVM_CAP_S390_GMAP 71
 987 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 988 #define KVM_CAP_S390_UCONTROL 73
 989 #define KVM_CAP_SYNC_REGS 74
 990 #define KVM_CAP_PCI_2_3 75
 991 #define KVM_CAP_KVMCLOCK_CTRL 76
 992 #define KVM_CAP_SIGNAL_MSI 77
 993 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 994 #define KVM_CAP_S390_COW 79
 995 #define KVM_CAP_PPC_ALLOC_HTAB 80
 996 #define KVM_CAP_READONLY_MEM 81
 997 #define KVM_CAP_IRQFD_RESAMPLE 82
 998 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
 999 #define KVM_CAP_PPC_HTAB_FD 84
1000 #define KVM_CAP_S390_CSS_SUPPORT 85
1001 #define KVM_CAP_PPC_EPR 86
1002 #define KVM_CAP_ARM_PSCI 87
1003 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1004 #define KVM_CAP_DEVICE_CTRL 89
1005 #define KVM_CAP_IRQ_MPIC 90
1006 #define KVM_CAP_PPC_RTAS 91
1007 #define KVM_CAP_IRQ_XICS 92
1008 #define KVM_CAP_ARM_EL1_32BIT 93
1009 #define KVM_CAP_SPAPR_MULTITCE 94
1010 #define KVM_CAP_EXT_EMUL_CPUID 95
1011 #define KVM_CAP_HYPERV_TIME 96
1012 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1013 #define KVM_CAP_ENABLE_CAP_VM 98
1014 #define KVM_CAP_S390_IRQCHIP 99
1015 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1016 #define KVM_CAP_VM_ATTRIBUTES 101
1017 #define KVM_CAP_ARM_PSCI_0_2 102
1018 #define KVM_CAP_PPC_FIXUP_HCALL 103
1019 #define KVM_CAP_PPC_ENABLE_HCALL 104
1020 #define KVM_CAP_CHECK_EXTENSION_VM 105
1021 #define KVM_CAP_S390_USER_SIGP 106
1022 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1023 #define KVM_CAP_S390_MEM_OP 108
1024 #define KVM_CAP_S390_USER_STSI 109
1025 #define KVM_CAP_S390_SKEYS 110
1026 #define KVM_CAP_MIPS_FPU 111
1027 #define KVM_CAP_MIPS_MSA 112
1028 #define KVM_CAP_S390_INJECT_IRQ 113
1029 #define KVM_CAP_S390_IRQ_STATE 114
1030 #define KVM_CAP_PPC_HWRNG 115
1031 #define KVM_CAP_DISABLE_QUIRKS 116
1032 #define KVM_CAP_X86_SMM 117
1033 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1034 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1035 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1036 #define KVM_CAP_SPLIT_IRQCHIP 121
1037 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1038 #define KVM_CAP_HYPERV_SYNIC 123
1039 #define KVM_CAP_S390_RI 124
1040 #define KVM_CAP_SPAPR_TCE_64 125
1041 #define KVM_CAP_ARM_PMU_V3 126
1042 #define KVM_CAP_VCPU_ATTRIBUTES 127
1043 #define KVM_CAP_MAX_VCPU_ID 128
1044 #define KVM_CAP_X2APIC_API 129
1045 #define KVM_CAP_S390_USER_INSTR0 130
1046 #define KVM_CAP_MSI_DEVID 131
1047 #define KVM_CAP_PPC_HTM 132
1048 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1049 #define KVM_CAP_PPC_MMU_RADIX 134
1050 #define KVM_CAP_PPC_MMU_HASH_V3 135
1051 #define KVM_CAP_IMMEDIATE_EXIT 136
1052 #define KVM_CAP_MIPS_VZ 137
1053 #define KVM_CAP_MIPS_TE 138
1054 #define KVM_CAP_MIPS_64BIT 139
1055 #define KVM_CAP_S390_GS 140
1056 #define KVM_CAP_S390_AIS 141
1057 #define KVM_CAP_SPAPR_TCE_VFIO 142
1058 #define KVM_CAP_X86_DISABLE_EXITS 143
1059 #define KVM_CAP_ARM_USER_IRQ 144
1060 #define KVM_CAP_S390_CMMA_MIGRATION 145
1061 #define KVM_CAP_PPC_FWNMI 146
1062 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1063 #define KVM_CAP_HYPERV_SYNIC2 148
1064 #define KVM_CAP_HYPERV_VP_INDEX 149
1065 #define KVM_CAP_S390_AIS_MIGRATION 150
1066 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1067 #define KVM_CAP_S390_BPB 152
1068 #define KVM_CAP_GET_MSR_FEATURES 153
1069 #define KVM_CAP_HYPERV_EVENTFD 154
1070 #define KVM_CAP_HYPERV_TLBFLUSH 155
1071 #define KVM_CAP_S390_HPAGE_1M 156
1072 #define KVM_CAP_NESTED_STATE 157
1073 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1074 #define KVM_CAP_MSR_PLATFORM_INFO 159
1075 #define KVM_CAP_PPC_NESTED_HV 160
1076 #define KVM_CAP_HYPERV_SEND_IPI 161
1077 #define KVM_CAP_COALESCED_PIO 162
1078 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1079 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1080 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1081 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1082 #define KVM_CAP_HYPERV_CPUID 167
1083 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1084 #define KVM_CAP_PPC_IRQ_XIVE 169
1085 #define KVM_CAP_ARM_SVE 170
1086 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1087 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1088 #define KVM_CAP_PMU_EVENT_FILTER 173
1089 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1090 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1091 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1092 #define KVM_CAP_ARM_NISV_TO_USER 177
1093 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1094 #define KVM_CAP_S390_VCPU_RESETS 179
1095 #define KVM_CAP_S390_PROTECTED 180
1096 #define KVM_CAP_PPC_SECURE_GUEST 181
1097 #define KVM_CAP_HALT_POLL 182
1098 #define KVM_CAP_ASYNC_PF_INT 183
1099 #define KVM_CAP_LAST_CPU 184
1100 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1101 #define KVM_CAP_S390_DIAG318 186
1102 #define KVM_CAP_STEAL_TIME 187
1103 #define KVM_CAP_X86_USER_SPACE_MSR 188
1104 #define KVM_CAP_X86_MSR_FILTER 189
1105 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1106 #define KVM_CAP_SYS_HYPERV_CPUID 191
1107 #define KVM_CAP_DIRTY_LOG_RING 192
1108 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1109 #define KVM_CAP_PPC_DAWR1 194
1110 #define KVM_CAP_SET_GUEST_DEBUG2 195
1111 #define KVM_CAP_SGX_ATTRIBUTE 196
1112 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1113 #define KVM_CAP_PTP_KVM 198
1114 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1115 #define KVM_CAP_SREGS2 200
1116 #define KVM_CAP_EXIT_HYPERCALL 201
1117 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1118 #define KVM_CAP_BINARY_STATS_FD 203
1119 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1120 #define KVM_CAP_ARM_MTE 205
1121 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1122 #define KVM_CAP_VM_GPA_BITS 207
1123 #define KVM_CAP_XSAVE2 208
1124 #define KVM_CAP_SYS_ATTRIBUTES 209
1125 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1126
1127 #ifdef KVM_CAP_IRQ_ROUTING
1128
1129 struct kvm_irq_routing_irqchip {
1130         __u32 irqchip;
1131         __u32 pin;
1132 };
1133
1134 struct kvm_irq_routing_msi {
1135         __u32 address_lo;
1136         __u32 address_hi;
1137         __u32 data;
1138         union {
1139                 __u32 pad;
1140                 __u32 devid;
1141         };
1142 };
1143
1144 struct kvm_irq_routing_s390_adapter {
1145         __u64 ind_addr;
1146         __u64 summary_addr;
1147         __u64 ind_offset;
1148         __u32 summary_offset;
1149         __u32 adapter_id;
1150 };
1151
1152 struct kvm_irq_routing_hv_sint {
1153         __u32 vcpu;
1154         __u32 sint;
1155 };
1156
1157 /* gsi routing entry types */
1158 #define KVM_IRQ_ROUTING_IRQCHIP 1
1159 #define KVM_IRQ_ROUTING_MSI 2
1160 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1161 #define KVM_IRQ_ROUTING_HV_SINT 4
1162
1163 struct kvm_irq_routing_entry {
1164         __u32 gsi;
1165         __u32 type;
1166         __u32 flags;
1167         __u32 pad;
1168         union {
1169                 struct kvm_irq_routing_irqchip irqchip;
1170                 struct kvm_irq_routing_msi msi;
1171                 struct kvm_irq_routing_s390_adapter adapter;
1172                 struct kvm_irq_routing_hv_sint hv_sint;
1173                 __u32 pad[8];
1174         } u;
1175 };
1176
1177 struct kvm_irq_routing {
1178         __u32 nr;
1179         __u32 flags;
1180         struct kvm_irq_routing_entry entries[0];
1181 };
1182
1183 #endif
1184
1185 #ifdef KVM_CAP_MCE
1186 /* x86 MCE */
1187 struct kvm_x86_mce {
1188         __u64 status;
1189         __u64 addr;
1190         __u64 misc;
1191         __u64 mcg_status;
1192         __u8 bank;
1193         __u8 pad1[7];
1194         __u64 pad2[3];
1195 };
1196 #endif
1197
1198 #ifdef KVM_CAP_XEN_HVM
1199 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR        (1 << 0)
1200 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL      (1 << 1)
1201 #define KVM_XEN_HVM_CONFIG_SHARED_INFO          (1 << 2)
1202 #define KVM_XEN_HVM_CONFIG_RUNSTATE             (1 << 3)
1203
1204 struct kvm_xen_hvm_config {
1205         __u32 flags;
1206         __u32 msr;
1207         __u64 blob_addr_32;
1208         __u64 blob_addr_64;
1209         __u8 blob_size_32;
1210         __u8 blob_size_64;
1211         __u8 pad2[30];
1212 };
1213 #endif
1214
1215 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1216 /*
1217  * Available with KVM_CAP_IRQFD_RESAMPLE
1218  *
1219  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1220  * the irqfd to operate in resampling mode for level triggered interrupt
1221  * emulation.  See Documentation/virt/kvm/api.rst.
1222  */
1223 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1224
1225 struct kvm_irqfd {
1226         __u32 fd;
1227         __u32 gsi;
1228         __u32 flags;
1229         __u32 resamplefd;
1230         __u8  pad[16];
1231 };
1232
1233 /* For KVM_CAP_ADJUST_CLOCK */
1234
1235 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1236 #define KVM_CLOCK_TSC_STABLE            2
1237
1238 struct kvm_clock_data {
1239         __u64 clock;
1240         __u32 flags;
1241         __u32 pad[9];
1242 };
1243
1244 /* For KVM_CAP_SW_TLB */
1245
1246 #define KVM_MMU_FSL_BOOKE_NOHV          0
1247 #define KVM_MMU_FSL_BOOKE_HV            1
1248
1249 struct kvm_config_tlb {
1250         __u64 params;
1251         __u64 array;
1252         __u32 mmu_type;
1253         __u32 array_len;
1254 };
1255
1256 struct kvm_dirty_tlb {
1257         __u64 bitmap;
1258         __u32 num_dirty;
1259 };
1260
1261 /* Available with KVM_CAP_ONE_REG */
1262
1263 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1264 #define KVM_REG_GENERIC         0x0000000000000000ULL
1265
1266 /*
1267  * Architecture specific registers are to be defined in arch headers and
1268  * ORed with the arch identifier.
1269  */
1270 #define KVM_REG_PPC             0x1000000000000000ULL
1271 #define KVM_REG_X86             0x2000000000000000ULL
1272 #define KVM_REG_IA64            0x3000000000000000ULL
1273 #define KVM_REG_ARM             0x4000000000000000ULL
1274 #define KVM_REG_S390            0x5000000000000000ULL
1275 #define KVM_REG_ARM64           0x6000000000000000ULL
1276 #define KVM_REG_MIPS            0x7000000000000000ULL
1277 #define KVM_REG_RISCV           0x8000000000000000ULL
1278
1279 #define KVM_REG_SIZE_SHIFT      52
1280 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1281 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
1282 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
1283 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
1284 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
1285 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
1286 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
1287 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
1288 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1289 #define KVM_REG_SIZE_U2048      0x0080000000000000ULL
1290
1291 struct kvm_reg_list {
1292         __u64 n; /* number of regs */
1293         __u64 reg[0];
1294 };
1295
1296 struct kvm_one_reg {
1297         __u64 id;
1298         __u64 addr;
1299 };
1300
1301 #define KVM_MSI_VALID_DEVID     (1U << 0)
1302 struct kvm_msi {
1303         __u32 address_lo;
1304         __u32 address_hi;
1305         __u32 data;
1306         __u32 flags;
1307         __u32 devid;
1308         __u8  pad[12];
1309 };
1310
1311 struct kvm_arm_device_addr {
1312         __u64 id;
1313         __u64 addr;
1314 };
1315
1316 /*
1317  * Device control API, available with KVM_CAP_DEVICE_CTRL
1318  */
1319 #define KVM_CREATE_DEVICE_TEST          1
1320
1321 struct kvm_create_device {
1322         __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1323         __u32   fd;     /* out: device handle */
1324         __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1325 };
1326
1327 struct kvm_device_attr {
1328         __u32   flags;          /* no flags currently defined */
1329         __u32   group;          /* device-defined */
1330         __u64   attr;           /* group-defined */
1331         __u64   addr;           /* userspace address of attr data */
1332 };
1333
1334 #define  KVM_DEV_VFIO_GROUP                     1
1335 #define   KVM_DEV_VFIO_GROUP_ADD                        1
1336 #define   KVM_DEV_VFIO_GROUP_DEL                        2
1337 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1338
1339 enum kvm_device_type {
1340         KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1341 #define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1342         KVM_DEV_TYPE_FSL_MPIC_42,
1343 #define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1344         KVM_DEV_TYPE_XICS,
1345 #define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1346         KVM_DEV_TYPE_VFIO,
1347 #define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1348         KVM_DEV_TYPE_ARM_VGIC_V2,
1349 #define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1350         KVM_DEV_TYPE_FLIC,
1351 #define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1352         KVM_DEV_TYPE_ARM_VGIC_V3,
1353 #define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1354         KVM_DEV_TYPE_ARM_VGIC_ITS,
1355 #define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1356         KVM_DEV_TYPE_XIVE,
1357 #define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
1358         KVM_DEV_TYPE_ARM_PV_TIME,
1359 #define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
1360         KVM_DEV_TYPE_MAX,
1361 };
1362
1363 struct kvm_vfio_spapr_tce {
1364         __s32   groupfd;
1365         __s32   tablefd;
1366 };
1367
1368 /*
1369  * ioctls for VM fds
1370  */
1371 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1372 /*
1373  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1374  * a vcpu fd.
1375  */
1376 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1377 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1378 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1379 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1380 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1381 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1382 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1383                                         struct kvm_userspace_memory_region)
1384 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1385 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1386
1387 /* enable ucontrol for s390 */
1388 struct kvm_s390_ucas_mapping {
1389         __u64 user_addr;
1390         __u64 vcpu_addr;
1391         __u64 length;
1392 };
1393 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1394 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1395 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1396
1397 /* Device model IOC */
1398 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1399 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1400 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1401 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1402 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1403 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1404 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1405 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1406 #define KVM_REGISTER_COALESCED_MMIO \
1407                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1408 #define KVM_UNREGISTER_COALESCED_MMIO \
1409                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1410 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1411                                        struct kvm_assigned_pci_dev)
1412 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1413 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1414 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1415 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1416 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1417 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1418                                        struct kvm_assigned_pci_dev)
1419 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1420                                        struct kvm_assigned_msix_nr)
1421 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1422                                        struct kvm_assigned_msix_entry)
1423 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1424 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1425 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1426 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1427 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1428 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1429 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1430 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1431 /* Available with KVM_CAP_PIT_STATE2 */
1432 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1433 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1434 /* Available with KVM_CAP_PPC_GET_PVINFO */
1435 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1436 /* Available with KVM_CAP_TSC_CONTROL */
1437 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1438 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1439 /* Available with KVM_CAP_PCI_2_3 */
1440 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1441                                        struct kvm_assigned_pci_dev)
1442 /* Available with KVM_CAP_SIGNAL_MSI */
1443 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1444 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1445 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1446 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1447 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1448 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1449 #define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1450                                        struct kvm_create_spapr_tce_64)
1451 /* Available with KVM_CAP_RMA */
1452 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1453 /* Available with KVM_CAP_PPC_HTAB_FD */
1454 #define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1455 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1456 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1457 /* Available with KVM_CAP_PPC_RTAS */
1458 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1459 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1460 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1461 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1462 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1463 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1464 /* Available with KVM_CAP_PPC_RADIX_MMU */
1465 #define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1466 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1467 #define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1468 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1469 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1470 #define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
1471 #define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1472
1473 /* ioctl for vm fd */
1474 #define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1475
1476 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1477 #define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1478 #define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1479 #define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1480
1481 /*
1482  * ioctls for vcpu fds
1483  */
1484 #define KVM_RUN                   _IO(KVMIO,   0x80)
1485 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1486 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1487 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1488 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1489 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1490 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1491 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1492 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1493 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1494 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1495 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1496 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1497 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1498 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1499 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1500 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1501 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1502 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1503 /* Available with KVM_CAP_VAPIC */
1504 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1505 /* Available with KVM_CAP_VAPIC */
1506 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1507 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1508 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1509 /* store status for s390 */
1510 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1511 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1512 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1513 /* initial ipl psw for s390 */
1514 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1515 /* initial reset for s390 */
1516 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1517 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1518 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1519 /* Available with KVM_CAP_USER_NMI */
1520 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1521 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1522 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1523 /* MCE for x86 */
1524 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1525 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1526 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1527 /* Available with KVM_CAP_VCPU_EVENTS */
1528 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1529 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1530 /* Available with KVM_CAP_DEBUGREGS */
1531 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1532 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1533 /*
1534  * vcpu version available with KVM_ENABLE_CAP
1535  * vm version available with KVM_CAP_ENABLE_CAP_VM
1536  */
1537 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1538 /* Available with KVM_CAP_XSAVE */
1539 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1540 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1541 /* Available with KVM_CAP_XCRS */
1542 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1543 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1544 /* Available with KVM_CAP_SW_TLB */
1545 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1546 /* Available with KVM_CAP_ONE_REG */
1547 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1548 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1549 /* VM is being stopped by host */
1550 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1551 #define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1552 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1553 #define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1554 /* Available with KVM_CAP_S390_MEM_OP */
1555 #define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1556 /* Available with KVM_CAP_S390_SKEYS */
1557 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1558 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1559 /* Available with KVM_CAP_S390_INJECT_IRQ */
1560 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1561 /* Available with KVM_CAP_S390_IRQ_STATE */
1562 #define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1563 #define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1564 /* Available with KVM_CAP_X86_SMM */
1565 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1566 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1567 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1568 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1569 /* Memory Encryption Commands */
1570 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1571
1572 struct kvm_enc_region {
1573         __u64 addr;
1574         __u64 size;
1575 };
1576
1577 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1578 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1579
1580 /* Available with KVM_CAP_HYPERV_EVENTFD */
1581 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1582
1583 /* Available with KVM_CAP_NESTED_STATE */
1584 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1585 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1586
1587 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1588 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1589
1590 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1591 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1592
1593 /* Available with KVM_CAP_ARM_SVE */
1594 #define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1595
1596 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1597 #define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1598 #define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1599
1600 struct kvm_s390_pv_sec_parm {
1601         __u64 origin;
1602         __u64 length;
1603 };
1604
1605 struct kvm_s390_pv_unp {
1606         __u64 addr;
1607         __u64 size;
1608         __u64 tweak;
1609 };
1610
1611 enum pv_cmd_id {
1612         KVM_PV_ENABLE,
1613         KVM_PV_DISABLE,
1614         KVM_PV_SET_SEC_PARMS,
1615         KVM_PV_UNPACK,
1616         KVM_PV_VERIFY,
1617         KVM_PV_PREP_RESET,
1618         KVM_PV_UNSHARE_ALL,
1619 };
1620
1621 struct kvm_pv_cmd {
1622         __u32 cmd;      /* Command to be executed */
1623         __u16 rc;       /* Ultravisor return code */
1624         __u16 rrc;      /* Ultravisor return reason code */
1625         __u64 data;     /* Data or address */
1626         __u32 flags;    /* flags for future extensions. Must be 0 for now */
1627         __u32 reserved[3];
1628 };
1629
1630 /* Available with KVM_CAP_S390_PROTECTED */
1631 #define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1632
1633 /* Available with KVM_CAP_X86_MSR_FILTER */
1634 #define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1635
1636 /* Available with KVM_CAP_DIRTY_LOG_RING */
1637 #define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)
1638
1639 /* Per-VM Xen attributes */
1640 #define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1641 #define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1642
1643 struct kvm_xen_hvm_attr {
1644         __u16 type;
1645         __u16 pad[3];
1646         union {
1647                 __u8 long_mode;
1648                 __u8 vector;
1649                 struct {
1650                         __u64 gfn;
1651                 } shared_info;
1652                 __u64 pad[8];
1653         } u;
1654 };
1655
1656 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1657 #define KVM_XEN_ATTR_TYPE_LONG_MODE             0x0
1658 #define KVM_XEN_ATTR_TYPE_SHARED_INFO           0x1
1659 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR         0x2
1660
1661 /* Per-vCPU Xen attributes */
1662 #define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1663 #define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1664
1665 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1666 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1667
1668 struct kvm_xen_vcpu_attr {
1669         __u16 type;
1670         __u16 pad[3];
1671         union {
1672                 __u64 gpa;
1673                 __u64 pad[8];
1674                 struct {
1675                         __u64 state;
1676                         __u64 state_entry_time;
1677                         __u64 time_running;
1678                         __u64 time_runnable;
1679                         __u64 time_blocked;
1680                         __u64 time_offline;
1681                 } runstate;
1682         } u;
1683 };
1684
1685 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1686 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO        0x0
1687 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO   0x1
1688 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR    0x2
1689 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1690 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA    0x4
1691 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST  0x5
1692
1693 /* Secure Encrypted Virtualization command */
1694 enum sev_cmd_id {
1695         /* Guest initialization commands */
1696         KVM_SEV_INIT = 0,
1697         KVM_SEV_ES_INIT,
1698         /* Guest launch commands */
1699         KVM_SEV_LAUNCH_START,
1700         KVM_SEV_LAUNCH_UPDATE_DATA,
1701         KVM_SEV_LAUNCH_UPDATE_VMSA,
1702         KVM_SEV_LAUNCH_SECRET,
1703         KVM_SEV_LAUNCH_MEASURE,
1704         KVM_SEV_LAUNCH_FINISH,
1705         /* Guest migration commands (outgoing) */
1706         KVM_SEV_SEND_START,
1707         KVM_SEV_SEND_UPDATE_DATA,
1708         KVM_SEV_SEND_UPDATE_VMSA,
1709         KVM_SEV_SEND_FINISH,
1710         /* Guest migration commands (incoming) */
1711         KVM_SEV_RECEIVE_START,
1712         KVM_SEV_RECEIVE_UPDATE_DATA,
1713         KVM_SEV_RECEIVE_UPDATE_VMSA,
1714         KVM_SEV_RECEIVE_FINISH,
1715         /* Guest status and debug commands */
1716         KVM_SEV_GUEST_STATUS,
1717         KVM_SEV_DBG_DECRYPT,
1718         KVM_SEV_DBG_ENCRYPT,
1719         /* Guest certificates commands */
1720         KVM_SEV_CERT_EXPORT,
1721         /* Attestation report */
1722         KVM_SEV_GET_ATTESTATION_REPORT,
1723         /* Guest Migration Extension */
1724         KVM_SEV_SEND_CANCEL,
1725
1726         KVM_SEV_NR_MAX,
1727 };
1728
1729 struct kvm_sev_cmd {
1730         __u32 id;
1731         __u64 data;
1732         __u32 error;
1733         __u32 sev_fd;
1734 };
1735
1736 struct kvm_sev_launch_start {
1737         __u32 handle;
1738         __u32 policy;
1739         __u64 dh_uaddr;
1740         __u32 dh_len;
1741         __u64 session_uaddr;
1742         __u32 session_len;
1743 };
1744
1745 struct kvm_sev_launch_update_data {
1746         __u64 uaddr;
1747         __u32 len;
1748 };
1749
1750
1751 struct kvm_sev_launch_secret {
1752         __u64 hdr_uaddr;
1753         __u32 hdr_len;
1754         __u64 guest_uaddr;
1755         __u32 guest_len;
1756         __u64 trans_uaddr;
1757         __u32 trans_len;
1758 };
1759
1760 struct kvm_sev_launch_measure {
1761         __u64 uaddr;
1762         __u32 len;
1763 };
1764
1765 struct kvm_sev_guest_status {
1766         __u32 handle;
1767         __u32 policy;
1768         __u32 state;
1769 };
1770
1771 struct kvm_sev_dbg {
1772         __u64 src_uaddr;
1773         __u64 dst_uaddr;
1774         __u32 len;
1775 };
1776
1777 struct kvm_sev_attestation_report {
1778         __u8 mnonce[16];
1779         __u64 uaddr;
1780         __u32 len;
1781 };
1782
1783 struct kvm_sev_send_start {
1784         __u32 policy;
1785         __u64 pdh_cert_uaddr;
1786         __u32 pdh_cert_len;
1787         __u64 plat_certs_uaddr;
1788         __u32 plat_certs_len;
1789         __u64 amd_certs_uaddr;
1790         __u32 amd_certs_len;
1791         __u64 session_uaddr;
1792         __u32 session_len;
1793 };
1794
1795 struct kvm_sev_send_update_data {
1796         __u64 hdr_uaddr;
1797         __u32 hdr_len;
1798         __u64 guest_uaddr;
1799         __u32 guest_len;
1800         __u64 trans_uaddr;
1801         __u32 trans_len;
1802 };
1803
1804 struct kvm_sev_receive_start {
1805         __u32 handle;
1806         __u32 policy;
1807         __u64 pdh_uaddr;
1808         __u32 pdh_len;
1809         __u64 session_uaddr;
1810         __u32 session_len;
1811 };
1812
1813 struct kvm_sev_receive_update_data {
1814         __u64 hdr_uaddr;
1815         __u32 hdr_len;
1816         __u64 guest_uaddr;
1817         __u32 guest_len;
1818         __u64 trans_uaddr;
1819         __u32 trans_len;
1820 };
1821
1822 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
1823 #define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
1824 #define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
1825
1826 struct kvm_assigned_pci_dev {
1827         __u32 assigned_dev_id;
1828         __u32 busnr;
1829         __u32 devfn;
1830         __u32 flags;
1831         __u32 segnr;
1832         union {
1833                 __u32 reserved[11];
1834         };
1835 };
1836
1837 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1838 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1839 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1840
1841 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1842 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1843 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1844
1845 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
1846 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1847
1848 struct kvm_assigned_irq {
1849         __u32 assigned_dev_id;
1850         __u32 host_irq; /* ignored (legacy field) */
1851         __u32 guest_irq;
1852         __u32 flags;
1853         union {
1854                 __u32 reserved[12];
1855         };
1856 };
1857
1858 struct kvm_assigned_msix_nr {
1859         __u32 assigned_dev_id;
1860         __u16 entry_nr;
1861         __u16 padding;
1862 };
1863
1864 #define KVM_MAX_MSIX_PER_DEV            256
1865 struct kvm_assigned_msix_entry {
1866         __u32 assigned_dev_id;
1867         __u32 gsi;
1868         __u16 entry; /* The index of entry in the MSI-X table */
1869         __u16 padding[3];
1870 };
1871
1872 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1873 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1874
1875 /* Available with KVM_CAP_ARM_USER_IRQ */
1876
1877 /* Bits for run->s.regs.device_irq_level */
1878 #define KVM_ARM_DEV_EL1_VTIMER          (1 << 0)
1879 #define KVM_ARM_DEV_EL1_PTIMER          (1 << 1)
1880 #define KVM_ARM_DEV_PMU                 (1 << 2)
1881
1882 struct kvm_hyperv_eventfd {
1883         __u32 conn_id;
1884         __s32 fd;
1885         __u32 flags;
1886         __u32 padding[3];
1887 };
1888
1889 #define KVM_HYPERV_CONN_ID_MASK         0x00ffffff
1890 #define KVM_HYPERV_EVENTFD_DEASSIGN     (1 << 0)
1891
1892 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1893 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1894
1895 /*
1896  * Arch needs to define the macro after implementing the dirty ring
1897  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1898  * starting page offset of the dirty ring structures.
1899  */
1900 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1901 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1902 #endif
1903
1904 /*
1905  * KVM dirty GFN flags, defined as:
1906  *
1907  * |---------------+---------------+--------------|
1908  * | bit 1 (reset) | bit 0 (dirty) | Status       |
1909  * |---------------+---------------+--------------|
1910  * |             0 |             0 | Invalid GFN  |
1911  * |             0 |             1 | Dirty GFN    |
1912  * |             1 |             X | GFN to reset |
1913  * |---------------+---------------+--------------|
1914  *
1915  * Lifecycle of a dirty GFN goes like:
1916  *
1917  *      dirtied         harvested        reset
1918  * 00 -----------> 01 -------------> 1X -------+
1919  *  ^                                          |
1920  *  |                                          |
1921  *  +------------------------------------------+
1922  *
1923  * The userspace program is only responsible for the 01->1X state
1924  * conversion after harvesting an entry.  Also, it must not skip any
1925  * dirty bits, so that dirty bits are always harvested in sequence.
1926  */
1927 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
1928 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
1929 #define KVM_DIRTY_GFN_F_MASK            0x3
1930
1931 /*
1932  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1933  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1934  * size of the gfn buffer is decided by the first argument when
1935  * enabling KVM_CAP_DIRTY_LOG_RING.
1936  */
1937 struct kvm_dirty_gfn {
1938         __u32 flags;
1939         __u32 slot;
1940         __u64 offset;
1941 };
1942
1943 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
1944 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
1945
1946 /**
1947  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1948  * @flags: Some extra information for header, always 0 for now.
1949  * @name_size: The size in bytes of the memory which contains statistics
1950  *             name string including trailing '\0'. The memory is allocated
1951  *             at the send of statistics descriptor.
1952  * @num_desc: The number of statistics the vm or vcpu has.
1953  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1954  *             by vm/vcpu stats fd.
1955  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1956  *               pointd by vm/vcpu stats fd.
1957  * @data_offset: The offset of the vm/vcpu stats' data block in the file
1958  *               pointed by vm/vcpu stats fd.
1959  *
1960  * This is the header userspace needs to read from stats fd before any other
1961  * readings. It is used by userspace to discover all the information about the
1962  * vm/vcpu's binary statistics.
1963  * Userspace reads this header from the start of the vm/vcpu's stats fd.
1964  */
1965 struct kvm_stats_header {
1966         __u32 flags;
1967         __u32 name_size;
1968         __u32 num_desc;
1969         __u32 id_offset;
1970         __u32 desc_offset;
1971         __u32 data_offset;
1972 };
1973
1974 #define KVM_STATS_TYPE_SHIFT            0
1975 #define KVM_STATS_TYPE_MASK             (0xF << KVM_STATS_TYPE_SHIFT)
1976 #define KVM_STATS_TYPE_CUMULATIVE       (0x0 << KVM_STATS_TYPE_SHIFT)
1977 #define KVM_STATS_TYPE_INSTANT          (0x1 << KVM_STATS_TYPE_SHIFT)
1978 #define KVM_STATS_TYPE_PEAK             (0x2 << KVM_STATS_TYPE_SHIFT)
1979 #define KVM_STATS_TYPE_LINEAR_HIST      (0x3 << KVM_STATS_TYPE_SHIFT)
1980 #define KVM_STATS_TYPE_LOG_HIST         (0x4 << KVM_STATS_TYPE_SHIFT)
1981 #define KVM_STATS_TYPE_MAX              KVM_STATS_TYPE_LOG_HIST
1982
1983 #define KVM_STATS_UNIT_SHIFT            4
1984 #define KVM_STATS_UNIT_MASK             (0xF << KVM_STATS_UNIT_SHIFT)
1985 #define KVM_STATS_UNIT_NONE             (0x0 << KVM_STATS_UNIT_SHIFT)
1986 #define KVM_STATS_UNIT_BYTES            (0x1 << KVM_STATS_UNIT_SHIFT)
1987 #define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
1988 #define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
1989 #define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_CYCLES
1990
1991 #define KVM_STATS_BASE_SHIFT            8
1992 #define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)
1993 #define KVM_STATS_BASE_POW10            (0x0 << KVM_STATS_BASE_SHIFT)
1994 #define KVM_STATS_BASE_POW2             (0x1 << KVM_STATS_BASE_SHIFT)
1995 #define KVM_STATS_BASE_MAX              KVM_STATS_BASE_POW2
1996
1997 /**
1998  * struct kvm_stats_desc - Descriptor of a KVM statistics.
1999  * @flags: Annotations of the stats, like type, unit, etc.
2000  * @exponent: Used together with @flags to determine the unit.
2001  * @size: The number of data items for this stats.
2002  *        Every data item is of type __u64.
2003  * @offset: The offset of the stats to the start of stat structure in
2004  *          structure kvm or kvm_vcpu.
2005  * @bucket_size: A parameter value used for histogram stats. It is only used
2006  *              for linear histogram stats, specifying the size of the bucket;
2007  * @name: The name string for the stats. Its size is indicated by the
2008  *        &kvm_stats_header->name_size.
2009  */
2010 struct kvm_stats_desc {
2011         __u32 flags;
2012         __s16 exponent;
2013         __u16 size;
2014         __u32 offset;
2015         __u32 bucket_size;
2016         char name[];
2017 };
2018
2019 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2020
2021 #endif /* __LINUX_KVM_H */