qemu/linux-headers/linux/kvm.h
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   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
  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
  59struct 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
  71struct kvm_breakpoint {
  72        __u32 enabled;
  73        __u32 padding;
  74        __u64 address;
  75};
  76
  77struct 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 */
  90struct 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 */
  98struct 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 */
 115struct 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
 130struct 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 */
 145struct kvm_pit_config {
 146        __u32 flags;
 147        __u32 pad[15];
 148};
 149
 150#define KVM_PIT_SPEAKER_DUMMY     1
 151
 152struct 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 */
 178struct 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
 189struct 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
 220struct 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#define KVM_EXIT_RISCV_SBI        35
 273
 274/* For KVM_EXIT_INTERNAL_ERROR */
 275/* Emulate instruction failed. */
 276#define KVM_INTERNAL_ERROR_EMULATION    1
 277/* Encounter unexpected simultaneous exceptions. */
 278#define KVM_INTERNAL_ERROR_SIMUL_EX     2
 279/* Encounter unexpected vm-exit due to delivery event. */
 280#define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 281/* Encounter unexpected vm-exit reason */
 282#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON       4
 283
 284/* Flags that describe what fields in emulation_failure hold valid data. */
 285#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
 286
 287/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 288struct kvm_run {
 289        /* in */
 290        __u8 request_interrupt_window;
 291        __u8 immediate_exit;
 292        __u8 padding1[6];
 293
 294        /* out */
 295        __u32 exit_reason;
 296        __u8 ready_for_interrupt_injection;
 297        __u8 if_flag;
 298        __u16 flags;
 299
 300        /* in (pre_kvm_run), out (post_kvm_run) */
 301        __u64 cr8;
 302        __u64 apic_base;
 303
 304#ifdef __KVM_S390
 305        /* the processor status word for s390 */
 306        __u64 psw_mask; /* psw upper half */
 307        __u64 psw_addr; /* psw lower half */
 308#endif
 309        union {
 310                /* KVM_EXIT_UNKNOWN */
 311                struct {
 312                        __u64 hardware_exit_reason;
 313                } hw;
 314                /* KVM_EXIT_FAIL_ENTRY */
 315                struct {
 316                        __u64 hardware_entry_failure_reason;
 317                        __u32 cpu;
 318                } fail_entry;
 319                /* KVM_EXIT_EXCEPTION */
 320                struct {
 321                        __u32 exception;
 322                        __u32 error_code;
 323                } ex;
 324                /* KVM_EXIT_IO */
 325                struct {
 326#define KVM_EXIT_IO_IN  0
 327#define KVM_EXIT_IO_OUT 1
 328                        __u8 direction;
 329                        __u8 size; /* bytes */
 330                        __u16 port;
 331                        __u32 count;
 332                        __u64 data_offset; /* relative to kvm_run start */
 333                } io;
 334                /* KVM_EXIT_DEBUG */
 335                struct {
 336                        struct kvm_debug_exit_arch arch;
 337                } debug;
 338                /* KVM_EXIT_MMIO */
 339                struct {
 340                        __u64 phys_addr;
 341                        __u8  data[8];
 342                        __u32 len;
 343                        __u8  is_write;
 344                } mmio;
 345                /* KVM_EXIT_HYPERCALL */
 346                struct {
 347                        __u64 nr;
 348                        __u64 args[6];
 349                        __u64 ret;
 350                        __u32 longmode;
 351                        __u32 pad;
 352                } hypercall;
 353                /* KVM_EXIT_TPR_ACCESS */
 354                struct {
 355                        __u64 rip;
 356                        __u32 is_write;
 357                        __u32 pad;
 358                } tpr_access;
 359                /* KVM_EXIT_S390_SIEIC */
 360                struct {
 361                        __u8 icptcode;
 362                        __u16 ipa;
 363                        __u32 ipb;
 364                } s390_sieic;
 365                /* KVM_EXIT_S390_RESET */
 366#define KVM_S390_RESET_POR       1
 367#define KVM_S390_RESET_CLEAR     2
 368#define KVM_S390_RESET_SUBSYSTEM 4
 369#define KVM_S390_RESET_CPU_INIT  8
 370#define KVM_S390_RESET_IPL       16
 371                __u64 s390_reset_flags;
 372                /* KVM_EXIT_S390_UCONTROL */
 373                struct {
 374                        __u64 trans_exc_code;
 375                        __u32 pgm_code;
 376                } s390_ucontrol;
 377                /* KVM_EXIT_DCR (deprecated) */
 378                struct {
 379                        __u32 dcrn;
 380                        __u32 data;
 381                        __u8  is_write;
 382                } dcr;
 383                /* KVM_EXIT_INTERNAL_ERROR */
 384                struct {
 385                        __u32 suberror;
 386                        /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 387                        __u32 ndata;
 388                        __u64 data[16];
 389                } internal;
 390                /*
 391                 * KVM_INTERNAL_ERROR_EMULATION
 392                 *
 393                 * "struct emulation_failure" is an overlay of "struct internal"
 394                 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
 395                 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
 396                 * sub-types, this struct is ABI!  It also needs to be backwards
 397                 * compatible with "struct internal".  Take special care that
 398                 * "ndata" is correct, that new fields are enumerated in "flags",
 399                 * and that each flag enumerates fields that are 64-bit aligned
 400                 * and sized (so that ndata+internal.data[] is valid/accurate).
 401                 *
 402                 * Space beyond the defined fields may be used to store arbitrary
 403                 * debug information relating to the emulation failure. It is
 404                 * accounted for in "ndata" but the format is unspecified and is
 405                 * not represented in "flags". Any such information is *not* ABI!
 406                 */
 407                struct {
 408                        __u32 suberror;
 409                        __u32 ndata;
 410                        __u64 flags;
 411                        union {
 412                                struct {
 413                                        __u8  insn_size;
 414                                        __u8  insn_bytes[15];
 415                                };
 416                        };
 417                        /* Arbitrary debug data may follow. */
 418                } emulation_failure;
 419                /* KVM_EXIT_OSI */
 420                struct {
 421                        __u64 gprs[32];
 422                } osi;
 423                /* KVM_EXIT_PAPR_HCALL */
 424                struct {
 425                        __u64 nr;
 426                        __u64 ret;
 427                        __u64 args[9];
 428                } papr_hcall;
 429                /* KVM_EXIT_S390_TSCH */
 430                struct {
 431                        __u16 subchannel_id;
 432                        __u16 subchannel_nr;
 433                        __u32 io_int_parm;
 434                        __u32 io_int_word;
 435                        __u32 ipb;
 436                        __u8 dequeued;
 437                } s390_tsch;
 438                /* KVM_EXIT_EPR */
 439                struct {
 440                        __u32 epr;
 441                } epr;
 442                /* KVM_EXIT_SYSTEM_EVENT */
 443                struct {
 444#define KVM_SYSTEM_EVENT_SHUTDOWN       1
 445#define KVM_SYSTEM_EVENT_RESET          2
 446#define KVM_SYSTEM_EVENT_CRASH          3
 447                        __u32 type;
 448                        __u64 flags;
 449                } system_event;
 450                /* KVM_EXIT_S390_STSI */
 451                struct {
 452                        __u64 addr;
 453                        __u8 ar;
 454                        __u8 reserved;
 455                        __u8 fc;
 456                        __u8 sel1;
 457                        __u16 sel2;
 458                } s390_stsi;
 459                /* KVM_EXIT_IOAPIC_EOI */
 460                struct {
 461                        __u8 vector;
 462                } eoi;
 463                /* KVM_EXIT_HYPERV */
 464                struct kvm_hyperv_exit hyperv;
 465                /* KVM_EXIT_ARM_NISV */
 466                struct {
 467                        __u64 esr_iss;
 468                        __u64 fault_ipa;
 469                } arm_nisv;
 470                /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
 471                struct {
 472                        __u8 error; /* user -> kernel */
 473                        __u8 pad[7];
 474#define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
 475#define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
 476#define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
 477                        __u32 reason; /* kernel -> user */
 478                        __u32 index; /* kernel -> user */
 479                        __u64 data; /* kernel <-> user */
 480                } msr;
 481                /* KVM_EXIT_XEN */
 482                struct kvm_xen_exit xen;
 483                /* KVM_EXIT_RISCV_SBI */
 484                struct {
 485                        unsigned long extension_id;
 486                        unsigned long function_id;
 487                        unsigned long args[6];
 488                        unsigned long ret[2];
 489                } riscv_sbi;
 490                /* Fix the size of the union. */
 491                char padding[256];
 492        };
 493
 494        /* 2048 is the size of the char array used to bound/pad the size
 495         * of the union that holds sync regs.
 496         */
 497        #define SYNC_REGS_SIZE_BYTES 2048
 498        /*
 499         * shared registers between kvm and userspace.
 500         * kvm_valid_regs specifies the register classes set by the host
 501         * kvm_dirty_regs specified the register classes dirtied by userspace
 502         * struct kvm_sync_regs is architecture specific, as well as the
 503         * bits for kvm_valid_regs and kvm_dirty_regs
 504         */
 505        __u64 kvm_valid_regs;
 506        __u64 kvm_dirty_regs;
 507        union {
 508                struct kvm_sync_regs regs;
 509                char padding[SYNC_REGS_SIZE_BYTES];
 510        } s;
 511};
 512
 513/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 514
 515struct kvm_coalesced_mmio_zone {
 516        __u64 addr;
 517        __u32 size;
 518        union {
 519                __u32 pad;
 520                __u32 pio;
 521        };
 522};
 523
 524struct kvm_coalesced_mmio {
 525        __u64 phys_addr;
 526        __u32 len;
 527        union {
 528                __u32 pad;
 529                __u32 pio;
 530        };
 531        __u8  data[8];
 532};
 533
 534struct kvm_coalesced_mmio_ring {
 535        __u32 first, last;
 536        struct kvm_coalesced_mmio coalesced_mmio[0];
 537};
 538
 539#define KVM_COALESCED_MMIO_MAX \
 540        ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 541         sizeof(struct kvm_coalesced_mmio))
 542
 543/* for KVM_TRANSLATE */
 544struct kvm_translation {
 545        /* in */
 546        __u64 linear_address;
 547
 548        /* out */
 549        __u64 physical_address;
 550        __u8  valid;
 551        __u8  writeable;
 552        __u8  usermode;
 553        __u8  pad[5];
 554};
 555
 556/* for KVM_S390_MEM_OP */
 557struct kvm_s390_mem_op {
 558        /* in */
 559        __u64 gaddr;            /* the guest address */
 560        __u64 flags;            /* flags */
 561        __u32 size;             /* amount of bytes */
 562        __u32 op;               /* type of operation */
 563        __u64 buf;              /* buffer in userspace */
 564        union {
 565                __u8 ar;        /* the access register number */
 566                __u32 sida_offset; /* offset into the sida */
 567                __u8 reserved[32]; /* should be set to 0 */
 568        };
 569};
 570/* types for kvm_s390_mem_op->op */
 571#define KVM_S390_MEMOP_LOGICAL_READ     0
 572#define KVM_S390_MEMOP_LOGICAL_WRITE    1
 573#define KVM_S390_MEMOP_SIDA_READ        2
 574#define KVM_S390_MEMOP_SIDA_WRITE       3
 575/* flags for kvm_s390_mem_op->flags */
 576#define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
 577#define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
 578
 579/* for KVM_INTERRUPT */
 580struct kvm_interrupt {
 581        /* in */
 582        __u32 irq;
 583};
 584
 585/* for KVM_GET_DIRTY_LOG */
 586struct kvm_dirty_log {
 587        __u32 slot;
 588        __u32 padding1;
 589        union {
 590                void *dirty_bitmap; /* one bit per page */
 591                __u64 padding2;
 592        };
 593};
 594
 595/* for KVM_CLEAR_DIRTY_LOG */
 596struct kvm_clear_dirty_log {
 597        __u32 slot;
 598        __u32 num_pages;
 599        __u64 first_page;
 600        union {
 601                void *dirty_bitmap; /* one bit per page */
 602                __u64 padding2;
 603        };
 604};
 605
 606/* for KVM_SET_SIGNAL_MASK */
 607struct kvm_signal_mask {
 608        __u32 len;
 609        __u8  sigset[0];
 610};
 611
 612/* for KVM_TPR_ACCESS_REPORTING */
 613struct kvm_tpr_access_ctl {
 614        __u32 enabled;
 615        __u32 flags;
 616        __u32 reserved[8];
 617};
 618
 619/* for KVM_SET_VAPIC_ADDR */
 620struct kvm_vapic_addr {
 621        __u64 vapic_addr;
 622};
 623
 624/* for KVM_SET_MP_STATE */
 625
 626/* not all states are valid on all architectures */
 627#define KVM_MP_STATE_RUNNABLE          0
 628#define KVM_MP_STATE_UNINITIALIZED     1
 629#define KVM_MP_STATE_INIT_RECEIVED     2
 630#define KVM_MP_STATE_HALTED            3
 631#define KVM_MP_STATE_SIPI_RECEIVED     4
 632#define KVM_MP_STATE_STOPPED           5
 633#define KVM_MP_STATE_CHECK_STOP        6
 634#define KVM_MP_STATE_OPERATING         7
 635#define KVM_MP_STATE_LOAD              8
 636#define KVM_MP_STATE_AP_RESET_HOLD     9
 637
 638struct kvm_mp_state {
 639        __u32 mp_state;
 640};
 641
 642struct kvm_s390_psw {
 643        __u64 mask;
 644        __u64 addr;
 645};
 646
 647/* valid values for type in kvm_s390_interrupt */
 648#define KVM_S390_SIGP_STOP              0xfffe0000u
 649#define KVM_S390_PROGRAM_INT            0xfffe0001u
 650#define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 651#define KVM_S390_RESTART                0xfffe0003u
 652#define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 653#define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 654#define KVM_S390_MCHK                   0xfffe1000u
 655#define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 656#define KVM_S390_INT_CPU_TIMER          0xffff1005u
 657#define KVM_S390_INT_VIRTIO             0xffff2603u
 658#define KVM_S390_INT_SERVICE            0xffff2401u
 659#define KVM_S390_INT_EMERGENCY          0xffff1201u
 660#define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 661/* Anything below 0xfffe0000u is taken by INT_IO */
 662#define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 663        (((schid)) |                           \
 664         ((ssid) << 16) |                      \
 665         ((cssid) << 18) |                     \
 666         ((ai) << 26))
 667#define KVM_S390_INT_IO_MIN             0x00000000u
 668#define KVM_S390_INT_IO_MAX             0xfffdffffu
 669#define KVM_S390_INT_IO_AI_MASK         0x04000000u
 670
 671
 672struct kvm_s390_interrupt {
 673        __u32 type;
 674        __u32 parm;
 675        __u64 parm64;
 676};
 677
 678struct kvm_s390_io_info {
 679        __u16 subchannel_id;
 680        __u16 subchannel_nr;
 681        __u32 io_int_parm;
 682        __u32 io_int_word;
 683};
 684
 685struct kvm_s390_ext_info {
 686        __u32 ext_params;
 687        __u32 pad;
 688        __u64 ext_params2;
 689};
 690
 691struct kvm_s390_pgm_info {
 692        __u64 trans_exc_code;
 693        __u64 mon_code;
 694        __u64 per_address;
 695        __u32 data_exc_code;
 696        __u16 code;
 697        __u16 mon_class_nr;
 698        __u8 per_code;
 699        __u8 per_atmid;
 700        __u8 exc_access_id;
 701        __u8 per_access_id;
 702        __u8 op_access_id;
 703#define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 704#define KVM_S390_PGM_FLAGS_ILC_0        0x02
 705#define KVM_S390_PGM_FLAGS_ILC_1        0x04
 706#define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 707#define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 708        __u8 flags;
 709        __u8 pad[2];
 710};
 711
 712struct kvm_s390_prefix_info {
 713        __u32 address;
 714};
 715
 716struct kvm_s390_extcall_info {
 717        __u16 code;
 718};
 719
 720struct kvm_s390_emerg_info {
 721        __u16 code;
 722};
 723
 724#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 725struct kvm_s390_stop_info {
 726        __u32 flags;
 727};
 728
 729struct kvm_s390_mchk_info {
 730        __u64 cr14;
 731        __u64 mcic;
 732        __u64 failing_storage_address;
 733        __u32 ext_damage_code;
 734        __u32 pad;
 735        __u8 fixed_logout[16];
 736};
 737
 738struct kvm_s390_irq {
 739        __u64 type;
 740        union {
 741                struct kvm_s390_io_info io;
 742                struct kvm_s390_ext_info ext;
 743                struct kvm_s390_pgm_info pgm;
 744                struct kvm_s390_emerg_info emerg;
 745                struct kvm_s390_extcall_info extcall;
 746                struct kvm_s390_prefix_info prefix;
 747                struct kvm_s390_stop_info stop;
 748                struct kvm_s390_mchk_info mchk;
 749                char reserved[64];
 750        } u;
 751};
 752
 753struct kvm_s390_irq_state {
 754        __u64 buf;
 755        __u32 flags;        /* will stay unused for compatibility reasons */
 756        __u32 len;
 757        __u32 reserved[4];  /* will stay unused for compatibility reasons */
 758};
 759
 760/* for KVM_SET_GUEST_DEBUG */
 761
 762#define KVM_GUESTDBG_ENABLE             0x00000001
 763#define KVM_GUESTDBG_SINGLESTEP         0x00000002
 764
 765struct kvm_guest_debug {
 766        __u32 control;
 767        __u32 pad;
 768        struct kvm_guest_debug_arch arch;
 769};
 770
 771enum {
 772        kvm_ioeventfd_flag_nr_datamatch,
 773        kvm_ioeventfd_flag_nr_pio,
 774        kvm_ioeventfd_flag_nr_deassign,
 775        kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 776        kvm_ioeventfd_flag_nr_fast_mmio,
 777        kvm_ioeventfd_flag_nr_max,
 778};
 779
 780#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 781#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 782#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 783#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 784        (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 785
 786#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 787
 788struct kvm_ioeventfd {
 789        __u64 datamatch;
 790        __u64 addr;        /* legal pio/mmio address */
 791        __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 792        __s32 fd;
 793        __u32 flags;
 794        __u8  pad[36];
 795};
 796
 797#define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
 798#define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
 799#define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
 800#define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
 801#define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
 802                                              KVM_X86_DISABLE_EXITS_HLT | \
 803                                              KVM_X86_DISABLE_EXITS_PAUSE | \
 804                                              KVM_X86_DISABLE_EXITS_CSTATE)
 805
 806/* for KVM_ENABLE_CAP */
 807struct kvm_enable_cap {
 808        /* in */
 809        __u32 cap;
 810        __u32 flags;
 811        __u64 args[4];
 812        __u8  pad[64];
 813};
 814
 815/* for KVM_PPC_GET_PVINFO */
 816
 817#define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 818
 819struct kvm_ppc_pvinfo {
 820        /* out */
 821        __u32 flags;
 822        __u32 hcall[4];
 823        __u8  pad[108];
 824};
 825
 826/* for KVM_PPC_GET_SMMU_INFO */
 827#define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 828
 829struct kvm_ppc_one_page_size {
 830        __u32 page_shift;       /* Page shift (or 0) */
 831        __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 832};
 833
 834struct kvm_ppc_one_seg_page_size {
 835        __u32 page_shift;       /* Base page shift of segment (or 0) */
 836        __u32 slb_enc;          /* SLB encoding for BookS */
 837        struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 838};
 839
 840#define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 841#define KVM_PPC_1T_SEGMENTS             0x00000002
 842#define KVM_PPC_NO_HASH                 0x00000004
 843
 844struct kvm_ppc_smmu_info {
 845        __u64 flags;
 846        __u32 slb_size;
 847        __u16 data_keys;        /* # storage keys supported for data */
 848        __u16 instr_keys;       /* # storage keys supported for instructions */
 849        struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 850};
 851
 852/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
 853struct kvm_ppc_resize_hpt {
 854        __u64 flags;
 855        __u32 shift;
 856        __u32 pad;
 857};
 858
 859#define KVMIO 0xAE
 860
 861/* machine type bits, to be used as argument to KVM_CREATE_VM */
 862#define KVM_VM_S390_UCONTROL    1
 863
 864/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 865#define KVM_VM_PPC_HV 1
 866#define KVM_VM_PPC_PR 2
 867
 868/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
 869#define KVM_VM_MIPS_AUTO        0
 870#define KVM_VM_MIPS_VZ          1
 871#define KVM_VM_MIPS_TE          2
 872
 873#define KVM_S390_SIE_PAGE_OFFSET 1
 874
 875/*
 876 * On arm64, machine type can be used to request the physical
 877 * address size for the VM. Bits[7-0] are reserved for the guest
 878 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 879 * value 0 implies the default IPA size, 40bits.
 880 */
 881#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
 882#define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
 883        ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 884/*
 885 * ioctls for /dev/kvm fds:
 886 */
 887#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 888#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 889#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 890
 891#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 892/*
 893 * Check if a kvm extension is available.  Argument is extension number,
 894 * return is 1 (yes) or 0 (no, sorry).
 895 */
 896#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 897/*
 898 * Get size for mmap(vcpu_fd)
 899 */
 900#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 901#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 902#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 903#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 904#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 905#define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 906#define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 907
 908/*
 909 * Extension capability list.
 910 */
 911#define KVM_CAP_IRQCHIP   0
 912#define KVM_CAP_HLT       1
 913#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 914#define KVM_CAP_USER_MEMORY 3
 915#define KVM_CAP_SET_TSS_ADDR 4
 916#define KVM_CAP_VAPIC 6
 917#define KVM_CAP_EXT_CPUID 7
 918#define KVM_CAP_CLOCKSOURCE 8
 919#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 920#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 921#define KVM_CAP_PIT 11
 922#define KVM_CAP_NOP_IO_DELAY 12
 923#define KVM_CAP_PV_MMU 13
 924#define KVM_CAP_MP_STATE 14
 925#define KVM_CAP_COALESCED_MMIO 15
 926#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 927#define KVM_CAP_IOMMU 18
 928/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 929#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 930#define KVM_CAP_USER_NMI 22
 931#ifdef __KVM_HAVE_GUEST_DEBUG
 932#define KVM_CAP_SET_GUEST_DEBUG 23
 933#endif
 934#ifdef __KVM_HAVE_PIT
 935#define KVM_CAP_REINJECT_CONTROL 24
 936#endif
 937#define KVM_CAP_IRQ_ROUTING 25
 938#define KVM_CAP_IRQ_INJECT_STATUS 26
 939#define KVM_CAP_ASSIGN_DEV_IRQ 29
 940/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 941#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 942#ifdef __KVM_HAVE_MCE
 943#define KVM_CAP_MCE 31
 944#endif
 945#define KVM_CAP_IRQFD 32
 946#ifdef __KVM_HAVE_PIT
 947#define KVM_CAP_PIT2 33
 948#endif
 949#define KVM_CAP_SET_BOOT_CPU_ID 34
 950#ifdef __KVM_HAVE_PIT_STATE2
 951#define KVM_CAP_PIT_STATE2 35
 952#endif
 953#define KVM_CAP_IOEVENTFD 36
 954#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 955#ifdef __KVM_HAVE_XEN_HVM
 956#define KVM_CAP_XEN_HVM 38
 957#endif
 958#define KVM_CAP_ADJUST_CLOCK 39
 959#define KVM_CAP_INTERNAL_ERROR_DATA 40
 960#ifdef __KVM_HAVE_VCPU_EVENTS
 961#define KVM_CAP_VCPU_EVENTS 41
 962#endif
 963#define KVM_CAP_S390_PSW 42
 964#define KVM_CAP_PPC_SEGSTATE 43
 965#define KVM_CAP_HYPERV 44
 966#define KVM_CAP_HYPERV_VAPIC 45
 967#define KVM_CAP_HYPERV_SPIN 46
 968#define KVM_CAP_PCI_SEGMENT 47
 969#define KVM_CAP_PPC_PAIRED_SINGLES 48
 970#define KVM_CAP_INTR_SHADOW 49
 971#ifdef __KVM_HAVE_DEBUGREGS
 972#define KVM_CAP_DEBUGREGS 50
 973#endif
 974#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 975#define KVM_CAP_PPC_OSI 52
 976#define KVM_CAP_PPC_UNSET_IRQ 53
 977#define KVM_CAP_ENABLE_CAP 54
 978#ifdef __KVM_HAVE_XSAVE
 979#define KVM_CAP_XSAVE 55
 980#endif
 981#ifdef __KVM_HAVE_XCRS
 982#define KVM_CAP_XCRS 56
 983#endif
 984#define KVM_CAP_PPC_GET_PVINFO 57
 985#define KVM_CAP_PPC_IRQ_LEVEL 58
 986#define KVM_CAP_ASYNC_PF 59
 987#define KVM_CAP_TSC_CONTROL 60
 988#define KVM_CAP_GET_TSC_KHZ 61
 989#define KVM_CAP_PPC_BOOKE_SREGS 62
 990#define KVM_CAP_SPAPR_TCE 63
 991#define KVM_CAP_PPC_SMT 64
 992#define KVM_CAP_PPC_RMA 65
 993#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 994#define KVM_CAP_PPC_HIOR 67
 995#define KVM_CAP_PPC_PAPR 68
 996#define KVM_CAP_SW_TLB 69
 997#define KVM_CAP_ONE_REG 70
 998#define KVM_CAP_S390_GMAP 71
 999#define KVM_CAP_TSC_DEADLINE_TIMER 72
1000#define KVM_CAP_S390_UCONTROL 73
1001#define KVM_CAP_SYNC_REGS 74
1002#define KVM_CAP_PCI_2_3 75
1003#define KVM_CAP_KVMCLOCK_CTRL 76
1004#define KVM_CAP_SIGNAL_MSI 77
1005#define KVM_CAP_PPC_GET_SMMU_INFO 78
1006#define KVM_CAP_S390_COW 79
1007#define KVM_CAP_PPC_ALLOC_HTAB 80
1008#define KVM_CAP_READONLY_MEM 81
1009#define KVM_CAP_IRQFD_RESAMPLE 82
1010#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1011#define KVM_CAP_PPC_HTAB_FD 84
1012#define KVM_CAP_S390_CSS_SUPPORT 85
1013#define KVM_CAP_PPC_EPR 86
1014#define KVM_CAP_ARM_PSCI 87
1015#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1016#define KVM_CAP_DEVICE_CTRL 89
1017#define KVM_CAP_IRQ_MPIC 90
1018#define KVM_CAP_PPC_RTAS 91
1019#define KVM_CAP_IRQ_XICS 92
1020#define KVM_CAP_ARM_EL1_32BIT 93
1021#define KVM_CAP_SPAPR_MULTITCE 94
1022#define KVM_CAP_EXT_EMUL_CPUID 95
1023#define KVM_CAP_HYPERV_TIME 96
1024#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1025#define KVM_CAP_ENABLE_CAP_VM 98
1026#define KVM_CAP_S390_IRQCHIP 99
1027#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1028#define KVM_CAP_VM_ATTRIBUTES 101
1029#define KVM_CAP_ARM_PSCI_0_2 102
1030#define KVM_CAP_PPC_FIXUP_HCALL 103
1031#define KVM_CAP_PPC_ENABLE_HCALL 104
1032#define KVM_CAP_CHECK_EXTENSION_VM 105
1033#define KVM_CAP_S390_USER_SIGP 106
1034#define KVM_CAP_S390_VECTOR_REGISTERS 107
1035#define KVM_CAP_S390_MEM_OP 108
1036#define KVM_CAP_S390_USER_STSI 109
1037#define KVM_CAP_S390_SKEYS 110
1038#define KVM_CAP_MIPS_FPU 111
1039#define KVM_CAP_MIPS_MSA 112
1040#define KVM_CAP_S390_INJECT_IRQ 113
1041#define KVM_CAP_S390_IRQ_STATE 114
1042#define KVM_CAP_PPC_HWRNG 115
1043#define KVM_CAP_DISABLE_QUIRKS 116
1044#define KVM_CAP_X86_SMM 117
1045#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1046#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1047#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1048#define KVM_CAP_SPLIT_IRQCHIP 121
1049#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1050#define KVM_CAP_HYPERV_SYNIC 123
1051#define KVM_CAP_S390_RI 124
1052#define KVM_CAP_SPAPR_TCE_64 125
1053#define KVM_CAP_ARM_PMU_V3 126
1054#define KVM_CAP_VCPU_ATTRIBUTES 127
1055#define KVM_CAP_MAX_VCPU_ID 128
1056#define KVM_CAP_X2APIC_API 129
1057#define KVM_CAP_S390_USER_INSTR0 130
1058#define KVM_CAP_MSI_DEVID 131
1059#define KVM_CAP_PPC_HTM 132
1060#define KVM_CAP_SPAPR_RESIZE_HPT 133
1061#define KVM_CAP_PPC_MMU_RADIX 134
1062#define KVM_CAP_PPC_MMU_HASH_V3 135
1063#define KVM_CAP_IMMEDIATE_EXIT 136
1064#define KVM_CAP_MIPS_VZ 137
1065#define KVM_CAP_MIPS_TE 138
1066#define KVM_CAP_MIPS_64BIT 139
1067#define KVM_CAP_S390_GS 140
1068#define KVM_CAP_S390_AIS 141
1069#define KVM_CAP_SPAPR_TCE_VFIO 142
1070#define KVM_CAP_X86_DISABLE_EXITS 143
1071#define KVM_CAP_ARM_USER_IRQ 144
1072#define KVM_CAP_S390_CMMA_MIGRATION 145
1073#define KVM_CAP_PPC_FWNMI 146
1074#define KVM_CAP_PPC_SMT_POSSIBLE 147
1075#define KVM_CAP_HYPERV_SYNIC2 148
1076#define KVM_CAP_HYPERV_VP_INDEX 149
1077#define KVM_CAP_S390_AIS_MIGRATION 150
1078#define KVM_CAP_PPC_GET_CPU_CHAR 151
1079#define KVM_CAP_S390_BPB 152
1080#define KVM_CAP_GET_MSR_FEATURES 153
1081#define KVM_CAP_HYPERV_EVENTFD 154
1082#define KVM_CAP_HYPERV_TLBFLUSH 155
1083#define KVM_CAP_S390_HPAGE_1M 156
1084#define KVM_CAP_NESTED_STATE 157
1085#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1086#define KVM_CAP_MSR_PLATFORM_INFO 159
1087#define KVM_CAP_PPC_NESTED_HV 160
1088#define KVM_CAP_HYPERV_SEND_IPI 161
1089#define KVM_CAP_COALESCED_PIO 162
1090#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1091#define KVM_CAP_EXCEPTION_PAYLOAD 164
1092#define KVM_CAP_ARM_VM_IPA_SIZE 165
1093#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1094#define KVM_CAP_HYPERV_CPUID 167
1095#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1096#define KVM_CAP_PPC_IRQ_XIVE 169
1097#define KVM_CAP_ARM_SVE 170
1098#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1099#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1100#define KVM_CAP_PMU_EVENT_FILTER 173
1101#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1102#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1103#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1104#define KVM_CAP_ARM_NISV_TO_USER 177
1105#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1106#define KVM_CAP_S390_VCPU_RESETS 179
1107#define KVM_CAP_S390_PROTECTED 180
1108#define KVM_CAP_PPC_SECURE_GUEST 181
1109#define KVM_CAP_HALT_POLL 182
1110#define KVM_CAP_ASYNC_PF_INT 183
1111#define KVM_CAP_LAST_CPU 184
1112#define KVM_CAP_SMALLER_MAXPHYADDR 185
1113#define KVM_CAP_S390_DIAG318 186
1114#define KVM_CAP_STEAL_TIME 187
1115#define KVM_CAP_X86_USER_SPACE_MSR 188
1116#define KVM_CAP_X86_MSR_FILTER 189
1117#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1118#define KVM_CAP_SYS_HYPERV_CPUID 191
1119#define KVM_CAP_DIRTY_LOG_RING 192
1120#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1121#define KVM_CAP_PPC_DAWR1 194
1122#define KVM_CAP_SET_GUEST_DEBUG2 195
1123#define KVM_CAP_SGX_ATTRIBUTE 196
1124#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1125#define KVM_CAP_PTP_KVM 198
1126#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1127#define KVM_CAP_SREGS2 200
1128#define KVM_CAP_EXIT_HYPERCALL 201
1129#define KVM_CAP_PPC_RPT_INVALIDATE 202
1130#define KVM_CAP_BINARY_STATS_FD 203
1131#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1132#define KVM_CAP_ARM_MTE 205
1133#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1134#define KVM_CAP_VM_GPA_BITS 207
1135#define KVM_CAP_XSAVE2 208
1136#define KVM_CAP_SYS_ATTRIBUTES 209
1137
1138#ifdef KVM_CAP_IRQ_ROUTING
1139
1140struct kvm_irq_routing_irqchip {
1141        __u32 irqchip;
1142        __u32 pin;
1143};
1144
1145struct kvm_irq_routing_msi {
1146        __u32 address_lo;
1147        __u32 address_hi;
1148        __u32 data;
1149        union {
1150                __u32 pad;
1151                __u32 devid;
1152        };
1153};
1154
1155struct kvm_irq_routing_s390_adapter {
1156        __u64 ind_addr;
1157        __u64 summary_addr;
1158        __u64 ind_offset;
1159        __u32 summary_offset;
1160        __u32 adapter_id;
1161};
1162
1163struct kvm_irq_routing_hv_sint {
1164        __u32 vcpu;
1165        __u32 sint;
1166};
1167
1168struct kvm_irq_routing_xen_evtchn {
1169        __u32 port;
1170        __u32 vcpu;
1171        __u32 priority;
1172};
1173
1174#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1175
1176/* gsi routing entry types */
1177#define KVM_IRQ_ROUTING_IRQCHIP 1
1178#define KVM_IRQ_ROUTING_MSI 2
1179#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1180#define KVM_IRQ_ROUTING_HV_SINT 4
1181#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1182
1183struct kvm_irq_routing_entry {
1184        __u32 gsi;
1185        __u32 type;
1186        __u32 flags;
1187        __u32 pad;
1188        union {
1189                struct kvm_irq_routing_irqchip irqchip;
1190                struct kvm_irq_routing_msi msi;
1191                struct kvm_irq_routing_s390_adapter adapter;
1192                struct kvm_irq_routing_hv_sint hv_sint;
1193                struct kvm_irq_routing_xen_evtchn xen_evtchn;
1194                __u32 pad[8];
1195        } u;
1196};
1197
1198struct kvm_irq_routing {
1199        __u32 nr;
1200        __u32 flags;
1201        struct kvm_irq_routing_entry entries[0];
1202};
1203
1204#endif
1205
1206#ifdef KVM_CAP_MCE
1207/* x86 MCE */
1208struct kvm_x86_mce {
1209        __u64 status;
1210        __u64 addr;
1211        __u64 misc;
1212        __u64 mcg_status;
1213        __u8 bank;
1214        __u8 pad1[7];
1215        __u64 pad2[3];
1216};
1217#endif
1218
1219#ifdef KVM_CAP_XEN_HVM
1220#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR        (1 << 0)
1221#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL      (1 << 1)
1222#define KVM_XEN_HVM_CONFIG_SHARED_INFO          (1 << 2)
1223#define KVM_XEN_HVM_CONFIG_RUNSTATE             (1 << 3)
1224#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL        (1 << 4)
1225
1226struct kvm_xen_hvm_config {
1227        __u32 flags;
1228        __u32 msr;
1229        __u64 blob_addr_32;
1230        __u64 blob_addr_64;
1231        __u8 blob_size_32;
1232        __u8 blob_size_64;
1233        __u8 pad2[30];
1234};
1235#endif
1236
1237#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1238/*
1239 * Available with KVM_CAP_IRQFD_RESAMPLE
1240 *
1241 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1242 * the irqfd to operate in resampling mode for level triggered interrupt
1243 * emulation.  See Documentation/virt/kvm/api.rst.
1244 */
1245#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1246
1247struct kvm_irqfd {
1248        __u32 fd;
1249        __u32 gsi;
1250        __u32 flags;
1251        __u32 resamplefd;
1252        __u8  pad[16];
1253};
1254
1255/* For KVM_CAP_ADJUST_CLOCK */
1256
1257/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1258#define KVM_CLOCK_TSC_STABLE            2
1259#define KVM_CLOCK_REALTIME              (1 << 2)
1260#define KVM_CLOCK_HOST_TSC              (1 << 3)
1261
1262struct kvm_clock_data {
1263        __u64 clock;
1264        __u32 flags;
1265        __u32 pad0;
1266        __u64 realtime;
1267        __u64 host_tsc;
1268        __u32 pad[4];
1269};
1270
1271/* For KVM_CAP_SW_TLB */
1272
1273#define KVM_MMU_FSL_BOOKE_NOHV          0
1274#define KVM_MMU_FSL_BOOKE_HV            1
1275
1276struct kvm_config_tlb {
1277        __u64 params;
1278        __u64 array;
1279        __u32 mmu_type;
1280        __u32 array_len;
1281};
1282
1283struct kvm_dirty_tlb {
1284        __u64 bitmap;
1285        __u32 num_dirty;
1286};
1287
1288/* Available with KVM_CAP_ONE_REG */
1289
1290#define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1291#define KVM_REG_GENERIC         0x0000000000000000ULL
1292
1293/*
1294 * Architecture specific registers are to be defined in arch headers and
1295 * ORed with the arch identifier.
1296 */
1297#define KVM_REG_PPC             0x1000000000000000ULL
1298#define KVM_REG_X86             0x2000000000000000ULL
1299#define KVM_REG_IA64            0x3000000000000000ULL
1300#define KVM_REG_ARM             0x4000000000000000ULL
1301#define KVM_REG_S390            0x5000000000000000ULL
1302#define KVM_REG_ARM64           0x6000000000000000ULL
1303#define KVM_REG_MIPS            0x7000000000000000ULL
1304#define KVM_REG_RISCV           0x8000000000000000ULL
1305
1306#define KVM_REG_SIZE_SHIFT      52
1307#define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1308#define KVM_REG_SIZE_U8         0x0000000000000000ULL
1309#define KVM_REG_SIZE_U16        0x0010000000000000ULL
1310#define KVM_REG_SIZE_U32        0x0020000000000000ULL
1311#define KVM_REG_SIZE_U64        0x0030000000000000ULL
1312#define KVM_REG_SIZE_U128       0x0040000000000000ULL
1313#define KVM_REG_SIZE_U256       0x0050000000000000ULL
1314#define KVM_REG_SIZE_U512       0x0060000000000000ULL
1315#define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1316#define KVM_REG_SIZE_U2048      0x0080000000000000ULL
1317
1318struct kvm_reg_list {
1319        __u64 n; /* number of regs */
1320        __u64 reg[0];
1321};
1322
1323struct kvm_one_reg {
1324        __u64 id;
1325        __u64 addr;
1326};
1327
1328#define KVM_MSI_VALID_DEVID     (1U << 0)
1329struct kvm_msi {
1330        __u32 address_lo;
1331        __u32 address_hi;
1332        __u32 data;
1333        __u32 flags;
1334        __u32 devid;
1335        __u8  pad[12];
1336};
1337
1338struct kvm_arm_device_addr {
1339        __u64 id;
1340        __u64 addr;
1341};
1342
1343/*
1344 * Device control API, available with KVM_CAP_DEVICE_CTRL
1345 */
1346#define KVM_CREATE_DEVICE_TEST          1
1347
1348struct kvm_create_device {
1349        __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1350        __u32   fd;     /* out: device handle */
1351        __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1352};
1353
1354struct kvm_device_attr {
1355        __u32   flags;          /* no flags currently defined */
1356        __u32   group;          /* device-defined */
1357        __u64   attr;           /* group-defined */
1358        __u64   addr;           /* userspace address of attr data */
1359};
1360
1361#define  KVM_DEV_VFIO_GROUP                     1
1362#define   KVM_DEV_VFIO_GROUP_ADD                        1
1363#define   KVM_DEV_VFIO_GROUP_DEL                        2
1364#define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1365
1366enum kvm_device_type {
1367        KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1368#define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1369        KVM_DEV_TYPE_FSL_MPIC_42,
1370#define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1371        KVM_DEV_TYPE_XICS,
1372#define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1373        KVM_DEV_TYPE_VFIO,
1374#define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1375        KVM_DEV_TYPE_ARM_VGIC_V2,
1376#define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1377        KVM_DEV_TYPE_FLIC,
1378#define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1379        KVM_DEV_TYPE_ARM_VGIC_V3,
1380#define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1381        KVM_DEV_TYPE_ARM_VGIC_ITS,
1382#define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1383        KVM_DEV_TYPE_XIVE,
1384#define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
1385        KVM_DEV_TYPE_ARM_PV_TIME,
1386#define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
1387        KVM_DEV_TYPE_MAX,
1388};
1389
1390struct kvm_vfio_spapr_tce {
1391        __s32   groupfd;
1392        __s32   tablefd;
1393};
1394
1395/*
1396 * ioctls for VM fds
1397 */
1398#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1399/*
1400 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1401 * a vcpu fd.
1402 */
1403#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1404#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1405/* KVM_SET_MEMORY_ALIAS is obsolete: */
1406#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1407#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1408#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1409#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1410                                        struct kvm_userspace_memory_region)
1411#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1412#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1413
1414/* enable ucontrol for s390 */
1415struct kvm_s390_ucas_mapping {
1416        __u64 user_addr;
1417        __u64 vcpu_addr;
1418        __u64 length;
1419};
1420#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1421#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1422#define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1423
1424/* Device model IOC */
1425#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1426#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1427#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1428#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1429#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1430#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1431#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1432#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1433#define KVM_REGISTER_COALESCED_MMIO \
1434                        _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1435#define KVM_UNREGISTER_COALESCED_MMIO \
1436                        _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1437#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1438                                       struct kvm_assigned_pci_dev)
1439#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1440/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1441#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1442#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1443#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1444#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1445                                       struct kvm_assigned_pci_dev)
1446#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1447                                       struct kvm_assigned_msix_nr)
1448#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1449                                       struct kvm_assigned_msix_entry)
1450#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1451#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1452#define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1453#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1454#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1455#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1456#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1457#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1458/* Available with KVM_CAP_PIT_STATE2 */
1459#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1460#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1461/* Available with KVM_CAP_PPC_GET_PVINFO */
1462#define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1463/* Available with KVM_CAP_TSC_CONTROL */
1464#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1465#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1466/* Available with KVM_CAP_PCI_2_3 */
1467#define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1468                                       struct kvm_assigned_pci_dev)
1469/* Available with KVM_CAP_SIGNAL_MSI */
1470#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1471/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1472#define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1473/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1474#define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1475#define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1476#define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1477                                       struct kvm_create_spapr_tce_64)
1478/* Available with KVM_CAP_RMA */
1479#define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1480/* Available with KVM_CAP_PPC_HTAB_FD */
1481#define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1482/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1483#define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1484/* Available with KVM_CAP_PPC_RTAS */
1485#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1486/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1487#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1488#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1489/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1490#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1491/* Available with KVM_CAP_PPC_RADIX_MMU */
1492#define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1493/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1494#define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1495/* Available with KVM_CAP_PMU_EVENT_FILTER */
1496#define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1497#define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
1498#define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1499
1500/* ioctl for vm fd */
1501#define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1502
1503/* ioctls for fds returned by KVM_CREATE_DEVICE */
1504#define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1505#define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1506#define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1507
1508/*
1509 * ioctls for vcpu fds
1510 */
1511#define KVM_RUN                   _IO(KVMIO,   0x80)
1512#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1513#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1514#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1515#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1516#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1517#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1518/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1519#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1520#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1521#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1522#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1523#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1524#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1525#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1526#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1527#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1528#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1529#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1530/* Available with KVM_CAP_VAPIC */
1531#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1532/* Available with KVM_CAP_VAPIC */
1533#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1534/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1535#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1536/* store status for s390 */
1537#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1538#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1539#define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1540/* initial ipl psw for s390 */
1541#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1542/* initial reset for s390 */
1543#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1544#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1545#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1546/* Available with KVM_CAP_USER_NMI */
1547#define KVM_NMI                   _IO(KVMIO,   0x9a)
1548/* Available with KVM_CAP_SET_GUEST_DEBUG */
1549#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1550/* MCE for x86 */
1551#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1552#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1553#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1554/* Available with KVM_CAP_VCPU_EVENTS */
1555#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1556#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1557/* Available with KVM_CAP_DEBUGREGS */
1558#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1559#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1560/*
1561 * vcpu version available with KVM_ENABLE_CAP
1562 * vm version available with KVM_CAP_ENABLE_CAP_VM
1563 */
1564#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1565/* Available with KVM_CAP_XSAVE */
1566#define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1567#define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1568/* Available with KVM_CAP_XCRS */
1569#define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1570#define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1571/* Available with KVM_CAP_SW_TLB */
1572#define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1573/* Available with KVM_CAP_ONE_REG */
1574#define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1575#define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1576/* VM is being stopped by host */
1577#define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1578#define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1579#define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1580#define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1581/* Available with KVM_CAP_S390_MEM_OP */
1582#define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1583/* Available with KVM_CAP_S390_SKEYS */
1584#define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1585#define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1586/* Available with KVM_CAP_S390_INJECT_IRQ */
1587#define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1588/* Available with KVM_CAP_S390_IRQ_STATE */
1589#define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1590#define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1591/* Available with KVM_CAP_X86_SMM */
1592#define KVM_SMI                   _IO(KVMIO,   0xb7)
1593/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1594#define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1595#define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1596/* Memory Encryption Commands */
1597#define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1598
1599struct kvm_enc_region {
1600        __u64 addr;
1601        __u64 size;
1602};
1603
1604#define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1605#define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1606
1607/* Available with KVM_CAP_HYPERV_EVENTFD */
1608#define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1609
1610/* Available with KVM_CAP_NESTED_STATE */
1611#define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1612#define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1613
1614/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1615#define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1616
1617/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1618#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1619
1620/* Available with KVM_CAP_ARM_SVE */
1621#define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1622
1623/* Available with  KVM_CAP_S390_VCPU_RESETS */
1624#define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1625#define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1626
1627/* Available with KVM_CAP_XSAVE2 */
1628#define KVM_GET_XSAVE2            _IOR(KVMIO,  0xcf, struct kvm_xsave)
1629
1630struct kvm_s390_pv_sec_parm {
1631        __u64 origin;
1632        __u64 length;
1633};
1634
1635struct kvm_s390_pv_unp {
1636        __u64 addr;
1637        __u64 size;
1638        __u64 tweak;
1639};
1640
1641enum pv_cmd_id {
1642        KVM_PV_ENABLE,
1643        KVM_PV_DISABLE,
1644        KVM_PV_SET_SEC_PARMS,
1645        KVM_PV_UNPACK,
1646        KVM_PV_VERIFY,
1647        KVM_PV_PREP_RESET,
1648        KVM_PV_UNSHARE_ALL,
1649};
1650
1651struct kvm_pv_cmd {
1652        __u32 cmd;      /* Command to be executed */
1653        __u16 rc;       /* Ultravisor return code */
1654        __u16 rrc;      /* Ultravisor return reason code */
1655        __u64 data;     /* Data or address */
1656        __u32 flags;    /* flags for future extensions. Must be 0 for now */
1657        __u32 reserved[3];
1658};
1659
1660/* Available with KVM_CAP_S390_PROTECTED */
1661#define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1662
1663/* Available with KVM_CAP_X86_MSR_FILTER */
1664#define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1665
1666/* Available with KVM_CAP_DIRTY_LOG_RING */
1667#define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)
1668
1669/* Per-VM Xen attributes */
1670#define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1671#define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1672
1673struct kvm_xen_hvm_attr {
1674        __u16 type;
1675        __u16 pad[3];
1676        union {
1677                __u8 long_mode;
1678                __u8 vector;
1679                struct {
1680                        __u64 gfn;
1681                } shared_info;
1682                __u64 pad[8];
1683        } u;
1684};
1685
1686/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1687#define KVM_XEN_ATTR_TYPE_LONG_MODE             0x0
1688#define KVM_XEN_ATTR_TYPE_SHARED_INFO           0x1
1689#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR         0x2
1690
1691/* Per-vCPU Xen attributes */
1692#define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1693#define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1694
1695#define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1696#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1697
1698struct kvm_xen_vcpu_attr {
1699        __u16 type;
1700        __u16 pad[3];
1701        union {
1702                __u64 gpa;
1703                __u64 pad[8];
1704                struct {
1705                        __u64 state;
1706                        __u64 state_entry_time;
1707                        __u64 time_running;
1708                        __u64 time_runnable;
1709                        __u64 time_blocked;
1710                        __u64 time_offline;
1711                } runstate;
1712        } u;
1713};
1714
1715/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1716#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO        0x0
1717#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO   0x1
1718#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR    0x2
1719#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1720#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA    0x4
1721#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST  0x5
1722
1723/* Secure Encrypted Virtualization command */
1724enum sev_cmd_id {
1725        /* Guest initialization commands */
1726        KVM_SEV_INIT = 0,
1727        KVM_SEV_ES_INIT,
1728        /* Guest launch commands */
1729        KVM_SEV_LAUNCH_START,
1730        KVM_SEV_LAUNCH_UPDATE_DATA,
1731        KVM_SEV_LAUNCH_UPDATE_VMSA,
1732        KVM_SEV_LAUNCH_SECRET,
1733        KVM_SEV_LAUNCH_MEASURE,
1734        KVM_SEV_LAUNCH_FINISH,
1735        /* Guest migration commands (outgoing) */
1736        KVM_SEV_SEND_START,
1737        KVM_SEV_SEND_UPDATE_DATA,
1738        KVM_SEV_SEND_UPDATE_VMSA,
1739        KVM_SEV_SEND_FINISH,
1740        /* Guest migration commands (incoming) */
1741        KVM_SEV_RECEIVE_START,
1742        KVM_SEV_RECEIVE_UPDATE_DATA,
1743        KVM_SEV_RECEIVE_UPDATE_VMSA,
1744        KVM_SEV_RECEIVE_FINISH,
1745        /* Guest status and debug commands */
1746        KVM_SEV_GUEST_STATUS,
1747        KVM_SEV_DBG_DECRYPT,
1748        KVM_SEV_DBG_ENCRYPT,
1749        /* Guest certificates commands */
1750        KVM_SEV_CERT_EXPORT,
1751        /* Attestation report */
1752        KVM_SEV_GET_ATTESTATION_REPORT,
1753        /* Guest Migration Extension */
1754        KVM_SEV_SEND_CANCEL,
1755
1756        KVM_SEV_NR_MAX,
1757};
1758
1759struct kvm_sev_cmd {
1760        __u32 id;
1761        __u64 data;
1762        __u32 error;
1763        __u32 sev_fd;
1764};
1765
1766struct kvm_sev_launch_start {
1767        __u32 handle;
1768        __u32 policy;
1769        __u64 dh_uaddr;
1770        __u32 dh_len;
1771        __u64 session_uaddr;
1772        __u32 session_len;
1773};
1774
1775struct kvm_sev_launch_update_data {
1776        __u64 uaddr;
1777        __u32 len;
1778};
1779
1780
1781struct kvm_sev_launch_secret {
1782        __u64 hdr_uaddr;
1783        __u32 hdr_len;
1784        __u64 guest_uaddr;
1785        __u32 guest_len;
1786        __u64 trans_uaddr;
1787        __u32 trans_len;
1788};
1789
1790struct kvm_sev_launch_measure {
1791        __u64 uaddr;
1792        __u32 len;
1793};
1794
1795struct kvm_sev_guest_status {
1796        __u32 handle;
1797        __u32 policy;
1798        __u32 state;
1799};
1800
1801struct kvm_sev_dbg {
1802        __u64 src_uaddr;
1803        __u64 dst_uaddr;
1804        __u32 len;
1805};
1806
1807struct kvm_sev_attestation_report {
1808        __u8 mnonce[16];
1809        __u64 uaddr;
1810        __u32 len;
1811};
1812
1813struct kvm_sev_send_start {
1814        __u32 policy;
1815        __u64 pdh_cert_uaddr;
1816        __u32 pdh_cert_len;
1817        __u64 plat_certs_uaddr;
1818        __u32 plat_certs_len;
1819        __u64 amd_certs_uaddr;
1820        __u32 amd_certs_len;
1821        __u64 session_uaddr;
1822        __u32 session_len;
1823};
1824
1825struct kvm_sev_send_update_data {
1826        __u64 hdr_uaddr;
1827        __u32 hdr_len;
1828        __u64 guest_uaddr;
1829        __u32 guest_len;
1830        __u64 trans_uaddr;
1831        __u32 trans_len;
1832};
1833
1834struct kvm_sev_receive_start {
1835        __u32 handle;
1836        __u32 policy;
1837        __u64 pdh_uaddr;
1838        __u32 pdh_len;
1839        __u64 session_uaddr;
1840        __u32 session_len;
1841};
1842
1843struct kvm_sev_receive_update_data {
1844        __u64 hdr_uaddr;
1845        __u32 hdr_len;
1846        __u64 guest_uaddr;
1847        __u32 guest_len;
1848        __u64 trans_uaddr;
1849        __u32 trans_len;
1850};
1851
1852#define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
1853#define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
1854#define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
1855
1856struct kvm_assigned_pci_dev {
1857        __u32 assigned_dev_id;
1858        __u32 busnr;
1859        __u32 devfn;
1860        __u32 flags;
1861        __u32 segnr;
1862        union {
1863                __u32 reserved[11];
1864        };
1865};
1866
1867#define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1868#define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1869#define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1870
1871#define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1872#define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1873#define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1874
1875#define KVM_DEV_IRQ_HOST_MASK    0x00ff
1876#define KVM_DEV_IRQ_GUEST_MASK   0xff00
1877
1878struct kvm_assigned_irq {
1879        __u32 assigned_dev_id;
1880        __u32 host_irq; /* ignored (legacy field) */
1881        __u32 guest_irq;
1882        __u32 flags;
1883        union {
1884                __u32 reserved[12];
1885        };
1886};
1887
1888struct kvm_assigned_msix_nr {
1889        __u32 assigned_dev_id;
1890        __u16 entry_nr;
1891        __u16 padding;
1892};
1893
1894#define KVM_MAX_MSIX_PER_DEV            256
1895struct kvm_assigned_msix_entry {
1896        __u32 assigned_dev_id;
1897        __u32 gsi;
1898        __u16 entry; /* The index of entry in the MSI-X table */
1899        __u16 padding[3];
1900};
1901
1902#define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1903#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1904
1905/* Available with KVM_CAP_ARM_USER_IRQ */
1906
1907/* Bits for run->s.regs.device_irq_level */
1908#define KVM_ARM_DEV_EL1_VTIMER          (1 << 0)
1909#define KVM_ARM_DEV_EL1_PTIMER          (1 << 1)
1910#define KVM_ARM_DEV_PMU                 (1 << 2)
1911
1912struct kvm_hyperv_eventfd {
1913        __u32 conn_id;
1914        __s32 fd;
1915        __u32 flags;
1916        __u32 padding[3];
1917};
1918
1919#define KVM_HYPERV_CONN_ID_MASK         0x00ffffff
1920#define KVM_HYPERV_EVENTFD_DEASSIGN     (1 << 0)
1921
1922#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1923#define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1924
1925/*
1926 * Arch needs to define the macro after implementing the dirty ring
1927 * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1928 * starting page offset of the dirty ring structures.
1929 */
1930#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1931#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1932#endif
1933
1934/*
1935 * KVM dirty GFN flags, defined as:
1936 *
1937 * |---------------+---------------+--------------|
1938 * | bit 1 (reset) | bit 0 (dirty) | Status       |
1939 * |---------------+---------------+--------------|
1940 * |             0 |             0 | Invalid GFN  |
1941 * |             0 |             1 | Dirty GFN    |
1942 * |             1 |             X | GFN to reset |
1943 * |---------------+---------------+--------------|
1944 *
1945 * Lifecycle of a dirty GFN goes like:
1946 *
1947 *      dirtied         harvested        reset
1948 * 00 -----------> 01 -------------> 1X -------+
1949 *  ^                                          |
1950 *  |                                          |
1951 *  +------------------------------------------+
1952 *
1953 * The userspace program is only responsible for the 01->1X state
1954 * conversion after harvesting an entry.  Also, it must not skip any
1955 * dirty bits, so that dirty bits are always harvested in sequence.
1956 */
1957#define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
1958#define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
1959#define KVM_DIRTY_GFN_F_MASK            0x3
1960
1961/*
1962 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1963 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1964 * size of the gfn buffer is decided by the first argument when
1965 * enabling KVM_CAP_DIRTY_LOG_RING.
1966 */
1967struct kvm_dirty_gfn {
1968        __u32 flags;
1969        __u32 slot;
1970        __u64 offset;
1971};
1972
1973#define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
1974#define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
1975
1976/**
1977 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1978 * @flags: Some extra information for header, always 0 for now.
1979 * @name_size: The size in bytes of the memory which contains statistics
1980 *             name string including trailing '\0'. The memory is allocated
1981 *             at the send of statistics descriptor.
1982 * @num_desc: The number of statistics the vm or vcpu has.
1983 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1984 *             by vm/vcpu stats fd.
1985 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1986 *               pointd by vm/vcpu stats fd.
1987 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1988 *               pointed by vm/vcpu stats fd.
1989 *
1990 * This is the header userspace needs to read from stats fd before any other
1991 * readings. It is used by userspace to discover all the information about the
1992 * vm/vcpu's binary statistics.
1993 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1994 */
1995struct kvm_stats_header {
1996        __u32 flags;
1997        __u32 name_size;
1998        __u32 num_desc;
1999        __u32 id_offset;
2000        __u32 desc_offset;
2001        __u32 data_offset;
2002};
2003
2004#define KVM_STATS_TYPE_SHIFT            0
2005#define KVM_STATS_TYPE_MASK             (0xF << KVM_STATS_TYPE_SHIFT)
2006#define KVM_STATS_TYPE_CUMULATIVE       (0x0 << KVM_STATS_TYPE_SHIFT)
2007#define KVM_STATS_TYPE_INSTANT          (0x1 << KVM_STATS_TYPE_SHIFT)
2008#define KVM_STATS_TYPE_PEAK             (0x2 << KVM_STATS_TYPE_SHIFT)
2009#define KVM_STATS_TYPE_LINEAR_HIST      (0x3 << KVM_STATS_TYPE_SHIFT)
2010#define KVM_STATS_TYPE_LOG_HIST         (0x4 << KVM_STATS_TYPE_SHIFT)
2011#define KVM_STATS_TYPE_MAX              KVM_STATS_TYPE_LOG_HIST
2012
2013#define KVM_STATS_UNIT_SHIFT            4
2014#define KVM_STATS_UNIT_MASK             (0xF << KVM_STATS_UNIT_SHIFT)
2015#define KVM_STATS_UNIT_NONE             (0x0 << KVM_STATS_UNIT_SHIFT)
2016#define KVM_STATS_UNIT_BYTES            (0x1 << KVM_STATS_UNIT_SHIFT)
2017#define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
2018#define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
2019#define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_CYCLES
2020
2021#define KVM_STATS_BASE_SHIFT            8
2022#define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)
2023#define KVM_STATS_BASE_POW10            (0x0 << KVM_STATS_BASE_SHIFT)
2024#define KVM_STATS_BASE_POW2             (0x1 << KVM_STATS_BASE_SHIFT)
2025#define KVM_STATS_BASE_MAX              KVM_STATS_BASE_POW2
2026
2027/**
2028 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2029 * @flags: Annotations of the stats, like type, unit, etc.
2030 * @exponent: Used together with @flags to determine the unit.
2031 * @size: The number of data items for this stats.
2032 *        Every data item is of type __u64.
2033 * @offset: The offset of the stats to the start of stat structure in
2034 *          structure kvm or kvm_vcpu.
2035 * @bucket_size: A parameter value used for histogram stats. It is only used
2036 *              for linear histogram stats, specifying the size of the bucket;
2037 * @name: The name string for the stats. Its size is indicated by the
2038 *        &kvm_stats_header->name_size.
2039 */
2040struct kvm_stats_desc {
2041        __u32 flags;
2042        __s16 exponent;
2043        __u16 size;
2044        __u32 offset;
2045        __u32 bucket_size;
2046        char name[];
2047};
2048
2049#define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2050
2051/* Available with KVM_CAP_XSAVE2 */
2052#define KVM_GET_XSAVE2            _IOR(KVMIO,  0xcf, struct kvm_xsave)
2053
2054#endif /* __LINUX_KVM_H */
2055