linux/include/uapi/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#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
  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                        __u32 ndata;
 449                        union {
 450#ifndef __KERNEL__
 451                                __u64 flags;
 452#endif
 453                                __u64 data[16];
 454                        };
 455                } system_event;
 456                /* KVM_EXIT_S390_STSI */
 457                struct {
 458                        __u64 addr;
 459                        __u8 ar;
 460                        __u8 reserved;
 461                        __u8 fc;
 462                        __u8 sel1;
 463                        __u16 sel2;
 464                } s390_stsi;
 465                /* KVM_EXIT_IOAPIC_EOI */
 466                struct {
 467                        __u8 vector;
 468                } eoi;
 469                /* KVM_EXIT_HYPERV */
 470                struct kvm_hyperv_exit hyperv;
 471                /* KVM_EXIT_ARM_NISV */
 472                struct {
 473                        __u64 esr_iss;
 474                        __u64 fault_ipa;
 475                } arm_nisv;
 476                /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
 477                struct {
 478                        __u8 error; /* user -> kernel */
 479                        __u8 pad[7];
 480#define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
 481#define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
 482#define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
 483                        __u32 reason; /* kernel -> user */
 484                        __u32 index; /* kernel -> user */
 485                        __u64 data; /* kernel <-> user */
 486                } msr;
 487                /* KVM_EXIT_XEN */
 488                struct kvm_xen_exit xen;
 489                /* KVM_EXIT_RISCV_SBI */
 490                struct {
 491                        unsigned long extension_id;
 492                        unsigned long function_id;
 493                        unsigned long args[6];
 494                        unsigned long ret[2];
 495                } riscv_sbi;
 496                /* Fix the size of the union. */
 497                char padding[256];
 498        };
 499
 500        /* 2048 is the size of the char array used to bound/pad the size
 501         * of the union that holds sync regs.
 502         */
 503        #define SYNC_REGS_SIZE_BYTES 2048
 504        /*
 505         * shared registers between kvm and userspace.
 506         * kvm_valid_regs specifies the register classes set by the host
 507         * kvm_dirty_regs specified the register classes dirtied by userspace
 508         * struct kvm_sync_regs is architecture specific, as well as the
 509         * bits for kvm_valid_regs and kvm_dirty_regs
 510         */
 511        __u64 kvm_valid_regs;
 512        __u64 kvm_dirty_regs;
 513        union {
 514                struct kvm_sync_regs regs;
 515                char padding[SYNC_REGS_SIZE_BYTES];
 516        } s;
 517};
 518
 519/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 520
 521struct kvm_coalesced_mmio_zone {
 522        __u64 addr;
 523        __u32 size;
 524        union {
 525                __u32 pad;
 526                __u32 pio;
 527        };
 528};
 529
 530struct kvm_coalesced_mmio {
 531        __u64 phys_addr;
 532        __u32 len;
 533        union {
 534                __u32 pad;
 535                __u32 pio;
 536        };
 537        __u8  data[8];
 538};
 539
 540struct kvm_coalesced_mmio_ring {
 541        __u32 first, last;
 542        struct kvm_coalesced_mmio coalesced_mmio[0];
 543};
 544
 545#define KVM_COALESCED_MMIO_MAX \
 546        ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 547         sizeof(struct kvm_coalesced_mmio))
 548
 549/* for KVM_TRANSLATE */
 550struct kvm_translation {
 551        /* in */
 552        __u64 linear_address;
 553
 554        /* out */
 555        __u64 physical_address;
 556        __u8  valid;
 557        __u8  writeable;
 558        __u8  usermode;
 559        __u8  pad[5];
 560};
 561
 562/* for KVM_S390_MEM_OP */
 563struct kvm_s390_mem_op {
 564        /* in */
 565        __u64 gaddr;            /* the guest address */
 566        __u64 flags;            /* flags */
 567        __u32 size;             /* amount of bytes */
 568        __u32 op;               /* type of operation */
 569        __u64 buf;              /* buffer in userspace */
 570        union {
 571                struct {
 572                        __u8 ar;        /* the access register number */
 573                        __u8 key;       /* access key, ignored if flag unset */
 574                };
 575                __u32 sida_offset; /* offset into the sida */
 576                __u8 reserved[32]; /* ignored */
 577        };
 578};
 579/* types for kvm_s390_mem_op->op */
 580#define KVM_S390_MEMOP_LOGICAL_READ     0
 581#define KVM_S390_MEMOP_LOGICAL_WRITE    1
 582#define KVM_S390_MEMOP_SIDA_READ        2
 583#define KVM_S390_MEMOP_SIDA_WRITE       3
 584#define KVM_S390_MEMOP_ABSOLUTE_READ    4
 585#define KVM_S390_MEMOP_ABSOLUTE_WRITE   5
 586/* flags for kvm_s390_mem_op->flags */
 587#define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
 588#define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
 589#define KVM_S390_MEMOP_F_SKEY_PROTECTION        (1ULL << 2)
 590
 591/* for KVM_INTERRUPT */
 592struct kvm_interrupt {
 593        /* in */
 594        __u32 irq;
 595};
 596
 597/* for KVM_GET_DIRTY_LOG */
 598struct kvm_dirty_log {
 599        __u32 slot;
 600        __u32 padding1;
 601        union {
 602                void __user *dirty_bitmap; /* one bit per page */
 603                __u64 padding2;
 604        };
 605};
 606
 607/* for KVM_CLEAR_DIRTY_LOG */
 608struct kvm_clear_dirty_log {
 609        __u32 slot;
 610        __u32 num_pages;
 611        __u64 first_page;
 612        union {
 613                void __user *dirty_bitmap; /* one bit per page */
 614                __u64 padding2;
 615        };
 616};
 617
 618/* for KVM_SET_SIGNAL_MASK */
 619struct kvm_signal_mask {
 620        __u32 len;
 621        __u8  sigset[0];
 622};
 623
 624/* for KVM_TPR_ACCESS_REPORTING */
 625struct kvm_tpr_access_ctl {
 626        __u32 enabled;
 627        __u32 flags;
 628        __u32 reserved[8];
 629};
 630
 631/* for KVM_SET_VAPIC_ADDR */
 632struct kvm_vapic_addr {
 633        __u64 vapic_addr;
 634};
 635
 636/* for KVM_SET_MP_STATE */
 637
 638/* not all states are valid on all architectures */
 639#define KVM_MP_STATE_RUNNABLE          0
 640#define KVM_MP_STATE_UNINITIALIZED     1
 641#define KVM_MP_STATE_INIT_RECEIVED     2
 642#define KVM_MP_STATE_HALTED            3
 643#define KVM_MP_STATE_SIPI_RECEIVED     4
 644#define KVM_MP_STATE_STOPPED           5
 645#define KVM_MP_STATE_CHECK_STOP        6
 646#define KVM_MP_STATE_OPERATING         7
 647#define KVM_MP_STATE_LOAD              8
 648#define KVM_MP_STATE_AP_RESET_HOLD     9
 649
 650struct kvm_mp_state {
 651        __u32 mp_state;
 652};
 653
 654struct kvm_s390_psw {
 655        __u64 mask;
 656        __u64 addr;
 657};
 658
 659/* valid values for type in kvm_s390_interrupt */
 660#define KVM_S390_SIGP_STOP              0xfffe0000u
 661#define KVM_S390_PROGRAM_INT            0xfffe0001u
 662#define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 663#define KVM_S390_RESTART                0xfffe0003u
 664#define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 665#define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 666#define KVM_S390_MCHK                   0xfffe1000u
 667#define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 668#define KVM_S390_INT_CPU_TIMER          0xffff1005u
 669#define KVM_S390_INT_VIRTIO             0xffff2603u
 670#define KVM_S390_INT_SERVICE            0xffff2401u
 671#define KVM_S390_INT_EMERGENCY          0xffff1201u
 672#define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 673/* Anything below 0xfffe0000u is taken by INT_IO */
 674#define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 675        (((schid)) |                           \
 676         ((ssid) << 16) |                      \
 677         ((cssid) << 18) |                     \
 678         ((ai) << 26))
 679#define KVM_S390_INT_IO_MIN             0x00000000u
 680#define KVM_S390_INT_IO_MAX             0xfffdffffu
 681#define KVM_S390_INT_IO_AI_MASK         0x04000000u
 682
 683
 684struct kvm_s390_interrupt {
 685        __u32 type;
 686        __u32 parm;
 687        __u64 parm64;
 688};
 689
 690struct kvm_s390_io_info {
 691        __u16 subchannel_id;
 692        __u16 subchannel_nr;
 693        __u32 io_int_parm;
 694        __u32 io_int_word;
 695};
 696
 697struct kvm_s390_ext_info {
 698        __u32 ext_params;
 699        __u32 pad;
 700        __u64 ext_params2;
 701};
 702
 703struct kvm_s390_pgm_info {
 704        __u64 trans_exc_code;
 705        __u64 mon_code;
 706        __u64 per_address;
 707        __u32 data_exc_code;
 708        __u16 code;
 709        __u16 mon_class_nr;
 710        __u8 per_code;
 711        __u8 per_atmid;
 712        __u8 exc_access_id;
 713        __u8 per_access_id;
 714        __u8 op_access_id;
 715#define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 716#define KVM_S390_PGM_FLAGS_ILC_0        0x02
 717#define KVM_S390_PGM_FLAGS_ILC_1        0x04
 718#define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 719#define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 720        __u8 flags;
 721        __u8 pad[2];
 722};
 723
 724struct kvm_s390_prefix_info {
 725        __u32 address;
 726};
 727
 728struct kvm_s390_extcall_info {
 729        __u16 code;
 730};
 731
 732struct kvm_s390_emerg_info {
 733        __u16 code;
 734};
 735
 736#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 737struct kvm_s390_stop_info {
 738        __u32 flags;
 739};
 740
 741struct kvm_s390_mchk_info {
 742        __u64 cr14;
 743        __u64 mcic;
 744        __u64 failing_storage_address;
 745        __u32 ext_damage_code;
 746        __u32 pad;
 747        __u8 fixed_logout[16];
 748};
 749
 750struct kvm_s390_irq {
 751        __u64 type;
 752        union {
 753                struct kvm_s390_io_info io;
 754                struct kvm_s390_ext_info ext;
 755                struct kvm_s390_pgm_info pgm;
 756                struct kvm_s390_emerg_info emerg;
 757                struct kvm_s390_extcall_info extcall;
 758                struct kvm_s390_prefix_info prefix;
 759                struct kvm_s390_stop_info stop;
 760                struct kvm_s390_mchk_info mchk;
 761                char reserved[64];
 762        } u;
 763};
 764
 765struct kvm_s390_irq_state {
 766        __u64 buf;
 767        __u32 flags;        /* will stay unused for compatibility reasons */
 768        __u32 len;
 769        __u32 reserved[4];  /* will stay unused for compatibility reasons */
 770};
 771
 772/* for KVM_SET_GUEST_DEBUG */
 773
 774#define KVM_GUESTDBG_ENABLE             0x00000001
 775#define KVM_GUESTDBG_SINGLESTEP         0x00000002
 776
 777struct kvm_guest_debug {
 778        __u32 control;
 779        __u32 pad;
 780        struct kvm_guest_debug_arch arch;
 781};
 782
 783enum {
 784        kvm_ioeventfd_flag_nr_datamatch,
 785        kvm_ioeventfd_flag_nr_pio,
 786        kvm_ioeventfd_flag_nr_deassign,
 787        kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 788        kvm_ioeventfd_flag_nr_fast_mmio,
 789        kvm_ioeventfd_flag_nr_max,
 790};
 791
 792#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 793#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 794#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 795#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 796        (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 797
 798#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 799
 800struct kvm_ioeventfd {
 801        __u64 datamatch;
 802        __u64 addr;        /* legal pio/mmio address */
 803        __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 804        __s32 fd;
 805        __u32 flags;
 806        __u8  pad[36];
 807};
 808
 809#define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
 810#define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
 811#define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
 812#define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
 813#define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
 814                                              KVM_X86_DISABLE_EXITS_HLT | \
 815                                              KVM_X86_DISABLE_EXITS_PAUSE | \
 816                                              KVM_X86_DISABLE_EXITS_CSTATE)
 817
 818/* for KVM_ENABLE_CAP */
 819struct kvm_enable_cap {
 820        /* in */
 821        __u32 cap;
 822        __u32 flags;
 823        __u64 args[4];
 824        __u8  pad[64];
 825};
 826
 827/* for KVM_PPC_GET_PVINFO */
 828
 829#define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 830
 831struct kvm_ppc_pvinfo {
 832        /* out */
 833        __u32 flags;
 834        __u32 hcall[4];
 835        __u8  pad[108];
 836};
 837
 838/* for KVM_PPC_GET_SMMU_INFO */
 839#define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 840
 841struct kvm_ppc_one_page_size {
 842        __u32 page_shift;       /* Page shift (or 0) */
 843        __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 844};
 845
 846struct kvm_ppc_one_seg_page_size {
 847        __u32 page_shift;       /* Base page shift of segment (or 0) */
 848        __u32 slb_enc;          /* SLB encoding for BookS */
 849        struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 850};
 851
 852#define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 853#define KVM_PPC_1T_SEGMENTS             0x00000002
 854#define KVM_PPC_NO_HASH                 0x00000004
 855
 856struct kvm_ppc_smmu_info {
 857        __u64 flags;
 858        __u32 slb_size;
 859        __u16 data_keys;        /* # storage keys supported for data */
 860        __u16 instr_keys;       /* # storage keys supported for instructions */
 861        struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 862};
 863
 864/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
 865struct kvm_ppc_resize_hpt {
 866        __u64 flags;
 867        __u32 shift;
 868        __u32 pad;
 869};
 870
 871#define KVMIO 0xAE
 872
 873/* machine type bits, to be used as argument to KVM_CREATE_VM */
 874#define KVM_VM_S390_UCONTROL    1
 875
 876/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 877#define KVM_VM_PPC_HV 1
 878#define KVM_VM_PPC_PR 2
 879
 880/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
 881#define KVM_VM_MIPS_AUTO        0
 882#define KVM_VM_MIPS_VZ          1
 883#define KVM_VM_MIPS_TE          2
 884
 885#define KVM_S390_SIE_PAGE_OFFSET 1
 886
 887/*
 888 * On arm64, machine type can be used to request the physical
 889 * address size for the VM. Bits[7-0] are reserved for the guest
 890 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 891 * value 0 implies the default IPA size, 40bits.
 892 */
 893#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
 894#define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
 895        ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 896/*
 897 * ioctls for /dev/kvm fds:
 898 */
 899#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 900#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 901#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 902
 903#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 904/*
 905 * Check if a kvm extension is available.  Argument is extension number,
 906 * return is 1 (yes) or 0 (no, sorry).
 907 */
 908#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 909/*
 910 * Get size for mmap(vcpu_fd)
 911 */
 912#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 913#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 914#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 915#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 916#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 917#define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 918#define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 919
 920/*
 921 * Extension capability list.
 922 */
 923#define KVM_CAP_IRQCHIP   0
 924#define KVM_CAP_HLT       1
 925#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 926#define KVM_CAP_USER_MEMORY 3
 927#define KVM_CAP_SET_TSS_ADDR 4
 928#define KVM_CAP_VAPIC 6
 929#define KVM_CAP_EXT_CPUID 7
 930#define KVM_CAP_CLOCKSOURCE 8
 931#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 932#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 933#define KVM_CAP_PIT 11
 934#define KVM_CAP_NOP_IO_DELAY 12
 935#define KVM_CAP_PV_MMU 13
 936#define KVM_CAP_MP_STATE 14
 937#define KVM_CAP_COALESCED_MMIO 15
 938#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 939#define KVM_CAP_IOMMU 18
 940/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 941#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 942#define KVM_CAP_USER_NMI 22
 943#ifdef __KVM_HAVE_GUEST_DEBUG
 944#define KVM_CAP_SET_GUEST_DEBUG 23
 945#endif
 946#ifdef __KVM_HAVE_PIT
 947#define KVM_CAP_REINJECT_CONTROL 24
 948#endif
 949#define KVM_CAP_IRQ_ROUTING 25
 950#define KVM_CAP_IRQ_INJECT_STATUS 26
 951#define KVM_CAP_ASSIGN_DEV_IRQ 29
 952/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 953#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 954#ifdef __KVM_HAVE_MCE
 955#define KVM_CAP_MCE 31
 956#endif
 957#define KVM_CAP_IRQFD 32
 958#ifdef __KVM_HAVE_PIT
 959#define KVM_CAP_PIT2 33
 960#endif
 961#define KVM_CAP_SET_BOOT_CPU_ID 34
 962#ifdef __KVM_HAVE_PIT_STATE2
 963#define KVM_CAP_PIT_STATE2 35
 964#endif
 965#define KVM_CAP_IOEVENTFD 36
 966#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 967#ifdef __KVM_HAVE_XEN_HVM
 968#define KVM_CAP_XEN_HVM 38
 969#endif
 970#define KVM_CAP_ADJUST_CLOCK 39
 971#define KVM_CAP_INTERNAL_ERROR_DATA 40
 972#ifdef __KVM_HAVE_VCPU_EVENTS
 973#define KVM_CAP_VCPU_EVENTS 41
 974#endif
 975#define KVM_CAP_S390_PSW 42
 976#define KVM_CAP_PPC_SEGSTATE 43
 977#define KVM_CAP_HYPERV 44
 978#define KVM_CAP_HYPERV_VAPIC 45
 979#define KVM_CAP_HYPERV_SPIN 46
 980#define KVM_CAP_PCI_SEGMENT 47
 981#define KVM_CAP_PPC_PAIRED_SINGLES 48
 982#define KVM_CAP_INTR_SHADOW 49
 983#ifdef __KVM_HAVE_DEBUGREGS
 984#define KVM_CAP_DEBUGREGS 50
 985#endif
 986#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 987#define KVM_CAP_PPC_OSI 52
 988#define KVM_CAP_PPC_UNSET_IRQ 53
 989#define KVM_CAP_ENABLE_CAP 54
 990#ifdef __KVM_HAVE_XSAVE
 991#define KVM_CAP_XSAVE 55
 992#endif
 993#ifdef __KVM_HAVE_XCRS
 994#define KVM_CAP_XCRS 56
 995#endif
 996#define KVM_CAP_PPC_GET_PVINFO 57
 997#define KVM_CAP_PPC_IRQ_LEVEL 58
 998#define KVM_CAP_ASYNC_PF 59
 999#define KVM_CAP_TSC_CONTROL 60
1000#define KVM_CAP_GET_TSC_KHZ 61
1001#define KVM_CAP_PPC_BOOKE_SREGS 62
1002#define KVM_CAP_SPAPR_TCE 63
1003#define KVM_CAP_PPC_SMT 64
1004#define KVM_CAP_PPC_RMA 65
1005#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1006#define KVM_CAP_PPC_HIOR 67
1007#define KVM_CAP_PPC_PAPR 68
1008#define KVM_CAP_SW_TLB 69
1009#define KVM_CAP_ONE_REG 70
1010#define KVM_CAP_S390_GMAP 71
1011#define KVM_CAP_TSC_DEADLINE_TIMER 72
1012#define KVM_CAP_S390_UCONTROL 73
1013#define KVM_CAP_SYNC_REGS 74
1014#define KVM_CAP_PCI_2_3 75
1015#define KVM_CAP_KVMCLOCK_CTRL 76
1016#define KVM_CAP_SIGNAL_MSI 77
1017#define KVM_CAP_PPC_GET_SMMU_INFO 78
1018#define KVM_CAP_S390_COW 79
1019#define KVM_CAP_PPC_ALLOC_HTAB 80
1020#define KVM_CAP_READONLY_MEM 81
1021#define KVM_CAP_IRQFD_RESAMPLE 82
1022#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1023#define KVM_CAP_PPC_HTAB_FD 84
1024#define KVM_CAP_S390_CSS_SUPPORT 85
1025#define KVM_CAP_PPC_EPR 86
1026#define KVM_CAP_ARM_PSCI 87
1027#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1028#define KVM_CAP_DEVICE_CTRL 89
1029#define KVM_CAP_IRQ_MPIC 90
1030#define KVM_CAP_PPC_RTAS 91
1031#define KVM_CAP_IRQ_XICS 92
1032#define KVM_CAP_ARM_EL1_32BIT 93
1033#define KVM_CAP_SPAPR_MULTITCE 94
1034#define KVM_CAP_EXT_EMUL_CPUID 95
1035#define KVM_CAP_HYPERV_TIME 96
1036#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1037#define KVM_CAP_ENABLE_CAP_VM 98
1038#define KVM_CAP_S390_IRQCHIP 99
1039#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1040#define KVM_CAP_VM_ATTRIBUTES 101
1041#define KVM_CAP_ARM_PSCI_0_2 102
1042#define KVM_CAP_PPC_FIXUP_HCALL 103
1043#define KVM_CAP_PPC_ENABLE_HCALL 104
1044#define KVM_CAP_CHECK_EXTENSION_VM 105
1045#define KVM_CAP_S390_USER_SIGP 106
1046#define KVM_CAP_S390_VECTOR_REGISTERS 107
1047#define KVM_CAP_S390_MEM_OP 108
1048#define KVM_CAP_S390_USER_STSI 109
1049#define KVM_CAP_S390_SKEYS 110
1050#define KVM_CAP_MIPS_FPU 111
1051#define KVM_CAP_MIPS_MSA 112
1052#define KVM_CAP_S390_INJECT_IRQ 113
1053#define KVM_CAP_S390_IRQ_STATE 114
1054#define KVM_CAP_PPC_HWRNG 115
1055#define KVM_CAP_DISABLE_QUIRKS 116
1056#define KVM_CAP_X86_SMM 117
1057#define KVM_CAP_MULTI_ADDRESS_SPACE 118
1058#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1059#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1060#define KVM_CAP_SPLIT_IRQCHIP 121
1061#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1062#define KVM_CAP_HYPERV_SYNIC 123
1063#define KVM_CAP_S390_RI 124
1064#define KVM_CAP_SPAPR_TCE_64 125
1065#define KVM_CAP_ARM_PMU_V3 126
1066#define KVM_CAP_VCPU_ATTRIBUTES 127
1067#define KVM_CAP_MAX_VCPU_ID 128
1068#define KVM_CAP_X2APIC_API 129
1069#define KVM_CAP_S390_USER_INSTR0 130
1070#define KVM_CAP_MSI_DEVID 131
1071#define KVM_CAP_PPC_HTM 132
1072#define KVM_CAP_SPAPR_RESIZE_HPT 133
1073#define KVM_CAP_PPC_MMU_RADIX 134
1074#define KVM_CAP_PPC_MMU_HASH_V3 135
1075#define KVM_CAP_IMMEDIATE_EXIT 136
1076#define KVM_CAP_MIPS_VZ 137
1077#define KVM_CAP_MIPS_TE 138
1078#define KVM_CAP_MIPS_64BIT 139
1079#define KVM_CAP_S390_GS 140
1080#define KVM_CAP_S390_AIS 141
1081#define KVM_CAP_SPAPR_TCE_VFIO 142
1082#define KVM_CAP_X86_DISABLE_EXITS 143
1083#define KVM_CAP_ARM_USER_IRQ 144
1084#define KVM_CAP_S390_CMMA_MIGRATION 145
1085#define KVM_CAP_PPC_FWNMI 146
1086#define KVM_CAP_PPC_SMT_POSSIBLE 147
1087#define KVM_CAP_HYPERV_SYNIC2 148
1088#define KVM_CAP_HYPERV_VP_INDEX 149
1089#define KVM_CAP_S390_AIS_MIGRATION 150
1090#define KVM_CAP_PPC_GET_CPU_CHAR 151
1091#define KVM_CAP_S390_BPB 152
1092#define KVM_CAP_GET_MSR_FEATURES 153
1093#define KVM_CAP_HYPERV_EVENTFD 154
1094#define KVM_CAP_HYPERV_TLBFLUSH 155
1095#define KVM_CAP_S390_HPAGE_1M 156
1096#define KVM_CAP_NESTED_STATE 157
1097#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1098#define KVM_CAP_MSR_PLATFORM_INFO 159
1099#define KVM_CAP_PPC_NESTED_HV 160
1100#define KVM_CAP_HYPERV_SEND_IPI 161
1101#define KVM_CAP_COALESCED_PIO 162
1102#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1103#define KVM_CAP_EXCEPTION_PAYLOAD 164
1104#define KVM_CAP_ARM_VM_IPA_SIZE 165
1105#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1106#define KVM_CAP_HYPERV_CPUID 167
1107#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1108#define KVM_CAP_PPC_IRQ_XIVE 169
1109#define KVM_CAP_ARM_SVE 170
1110#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1111#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1112#define KVM_CAP_PMU_EVENT_FILTER 173
1113#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1114#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1115#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1116#define KVM_CAP_ARM_NISV_TO_USER 177
1117#define KVM_CAP_ARM_INJECT_EXT_DABT 178
1118#define KVM_CAP_S390_VCPU_RESETS 179
1119#define KVM_CAP_S390_PROTECTED 180
1120#define KVM_CAP_PPC_SECURE_GUEST 181
1121#define KVM_CAP_HALT_POLL 182
1122#define KVM_CAP_ASYNC_PF_INT 183
1123#define KVM_CAP_LAST_CPU 184
1124#define KVM_CAP_SMALLER_MAXPHYADDR 185
1125#define KVM_CAP_S390_DIAG318 186
1126#define KVM_CAP_STEAL_TIME 187
1127#define KVM_CAP_X86_USER_SPACE_MSR 188
1128#define KVM_CAP_X86_MSR_FILTER 189
1129#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1130#define KVM_CAP_SYS_HYPERV_CPUID 191
1131#define KVM_CAP_DIRTY_LOG_RING 192
1132#define KVM_CAP_X86_BUS_LOCK_EXIT 193
1133#define KVM_CAP_PPC_DAWR1 194
1134#define KVM_CAP_SET_GUEST_DEBUG2 195
1135#define KVM_CAP_SGX_ATTRIBUTE 196
1136#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1137#define KVM_CAP_PTP_KVM 198
1138#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1139#define KVM_CAP_SREGS2 200
1140#define KVM_CAP_EXIT_HYPERCALL 201
1141#define KVM_CAP_PPC_RPT_INVALIDATE 202
1142#define KVM_CAP_BINARY_STATS_FD 203
1143#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1144#define KVM_CAP_ARM_MTE 205
1145#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1146#define KVM_CAP_VM_GPA_BITS 207
1147#define KVM_CAP_XSAVE2 208
1148#define KVM_CAP_SYS_ATTRIBUTES 209
1149#define KVM_CAP_PPC_AIL_MODE_3 210
1150#define KVM_CAP_S390_MEM_OP_EXTENSION 211
1151#define KVM_CAP_PMU_CAPABILITY 212
1152#define KVM_CAP_DISABLE_QUIRKS2 213
1153/* #define KVM_CAP_VM_TSC_CONTROL 214 */
1154#define KVM_CAP_SYSTEM_EVENT_DATA 215
1155
1156#ifdef KVM_CAP_IRQ_ROUTING
1157
1158struct kvm_irq_routing_irqchip {
1159        __u32 irqchip;
1160        __u32 pin;
1161};
1162
1163struct kvm_irq_routing_msi {
1164        __u32 address_lo;
1165        __u32 address_hi;
1166        __u32 data;
1167        union {
1168                __u32 pad;
1169                __u32 devid;
1170        };
1171};
1172
1173struct kvm_irq_routing_s390_adapter {
1174        __u64 ind_addr;
1175        __u64 summary_addr;
1176        __u64 ind_offset;
1177        __u32 summary_offset;
1178        __u32 adapter_id;
1179};
1180
1181struct kvm_irq_routing_hv_sint {
1182        __u32 vcpu;
1183        __u32 sint;
1184};
1185
1186struct kvm_irq_routing_xen_evtchn {
1187        __u32 port;
1188        __u32 vcpu;
1189        __u32 priority;
1190};
1191
1192#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1193
1194/* gsi routing entry types */
1195#define KVM_IRQ_ROUTING_IRQCHIP 1
1196#define KVM_IRQ_ROUTING_MSI 2
1197#define KVM_IRQ_ROUTING_S390_ADAPTER 3
1198#define KVM_IRQ_ROUTING_HV_SINT 4
1199#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1200
1201struct kvm_irq_routing_entry {
1202        __u32 gsi;
1203        __u32 type;
1204        __u32 flags;
1205        __u32 pad;
1206        union {
1207                struct kvm_irq_routing_irqchip irqchip;
1208                struct kvm_irq_routing_msi msi;
1209                struct kvm_irq_routing_s390_adapter adapter;
1210                struct kvm_irq_routing_hv_sint hv_sint;
1211                struct kvm_irq_routing_xen_evtchn xen_evtchn;
1212                __u32 pad[8];
1213        } u;
1214};
1215
1216struct kvm_irq_routing {
1217        __u32 nr;
1218        __u32 flags;
1219        struct kvm_irq_routing_entry entries[0];
1220};
1221
1222#endif
1223
1224#ifdef KVM_CAP_MCE
1225/* x86 MCE */
1226struct kvm_x86_mce {
1227        __u64 status;
1228        __u64 addr;
1229        __u64 misc;
1230        __u64 mcg_status;
1231        __u8 bank;
1232        __u8 pad1[7];
1233        __u64 pad2[3];
1234};
1235#endif
1236
1237#ifdef KVM_CAP_XEN_HVM
1238#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR        (1 << 0)
1239#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL      (1 << 1)
1240#define KVM_XEN_HVM_CONFIG_SHARED_INFO          (1 << 2)
1241#define KVM_XEN_HVM_CONFIG_RUNSTATE             (1 << 3)
1242#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL        (1 << 4)
1243
1244struct kvm_xen_hvm_config {
1245        __u32 flags;
1246        __u32 msr;
1247        __u64 blob_addr_32;
1248        __u64 blob_addr_64;
1249        __u8 blob_size_32;
1250        __u8 blob_size_64;
1251        __u8 pad2[30];
1252};
1253#endif
1254
1255#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1256/*
1257 * Available with KVM_CAP_IRQFD_RESAMPLE
1258 *
1259 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1260 * the irqfd to operate in resampling mode for level triggered interrupt
1261 * emulation.  See Documentation/virt/kvm/api.rst.
1262 */
1263#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1264
1265struct kvm_irqfd {
1266        __u32 fd;
1267        __u32 gsi;
1268        __u32 flags;
1269        __u32 resamplefd;
1270        __u8  pad[16];
1271};
1272
1273/* For KVM_CAP_ADJUST_CLOCK */
1274
1275/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1276#define KVM_CLOCK_TSC_STABLE            2
1277#define KVM_CLOCK_REALTIME              (1 << 2)
1278#define KVM_CLOCK_HOST_TSC              (1 << 3)
1279
1280struct kvm_clock_data {
1281        __u64 clock;
1282        __u32 flags;
1283        __u32 pad0;
1284        __u64 realtime;
1285        __u64 host_tsc;
1286        __u32 pad[4];
1287};
1288
1289/* For KVM_CAP_SW_TLB */
1290
1291#define KVM_MMU_FSL_BOOKE_NOHV          0
1292#define KVM_MMU_FSL_BOOKE_HV            1
1293
1294struct kvm_config_tlb {
1295        __u64 params;
1296        __u64 array;
1297        __u32 mmu_type;
1298        __u32 array_len;
1299};
1300
1301struct kvm_dirty_tlb {
1302        __u64 bitmap;
1303        __u32 num_dirty;
1304};
1305
1306/* Available with KVM_CAP_ONE_REG */
1307
1308#define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1309#define KVM_REG_GENERIC         0x0000000000000000ULL
1310
1311/*
1312 * Architecture specific registers are to be defined in arch headers and
1313 * ORed with the arch identifier.
1314 */
1315#define KVM_REG_PPC             0x1000000000000000ULL
1316#define KVM_REG_X86             0x2000000000000000ULL
1317#define KVM_REG_IA64            0x3000000000000000ULL
1318#define KVM_REG_ARM             0x4000000000000000ULL
1319#define KVM_REG_S390            0x5000000000000000ULL
1320#define KVM_REG_ARM64           0x6000000000000000ULL
1321#define KVM_REG_MIPS            0x7000000000000000ULL
1322#define KVM_REG_RISCV           0x8000000000000000ULL
1323
1324#define KVM_REG_SIZE_SHIFT      52
1325#define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1326#define KVM_REG_SIZE_U8         0x0000000000000000ULL
1327#define KVM_REG_SIZE_U16        0x0010000000000000ULL
1328#define KVM_REG_SIZE_U32        0x0020000000000000ULL
1329#define KVM_REG_SIZE_U64        0x0030000000000000ULL
1330#define KVM_REG_SIZE_U128       0x0040000000000000ULL
1331#define KVM_REG_SIZE_U256       0x0050000000000000ULL
1332#define KVM_REG_SIZE_U512       0x0060000000000000ULL
1333#define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1334#define KVM_REG_SIZE_U2048      0x0080000000000000ULL
1335
1336struct kvm_reg_list {
1337        __u64 n; /* number of regs */
1338        __u64 reg[0];
1339};
1340
1341struct kvm_one_reg {
1342        __u64 id;
1343        __u64 addr;
1344};
1345
1346#define KVM_MSI_VALID_DEVID     (1U << 0)
1347struct kvm_msi {
1348        __u32 address_lo;
1349        __u32 address_hi;
1350        __u32 data;
1351        __u32 flags;
1352        __u32 devid;
1353        __u8  pad[12];
1354};
1355
1356struct kvm_arm_device_addr {
1357        __u64 id;
1358        __u64 addr;
1359};
1360
1361/*
1362 * Device control API, available with KVM_CAP_DEVICE_CTRL
1363 */
1364#define KVM_CREATE_DEVICE_TEST          1
1365
1366struct kvm_create_device {
1367        __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1368        __u32   fd;     /* out: device handle */
1369        __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1370};
1371
1372struct kvm_device_attr {
1373        __u32   flags;          /* no flags currently defined */
1374        __u32   group;          /* device-defined */
1375        __u64   attr;           /* group-defined */
1376        __u64   addr;           /* userspace address of attr data */
1377};
1378
1379#define  KVM_DEV_VFIO_GROUP                     1
1380#define   KVM_DEV_VFIO_GROUP_ADD                        1
1381#define   KVM_DEV_VFIO_GROUP_DEL                        2
1382#define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1383
1384enum kvm_device_type {
1385        KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1386#define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1387        KVM_DEV_TYPE_FSL_MPIC_42,
1388#define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1389        KVM_DEV_TYPE_XICS,
1390#define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1391        KVM_DEV_TYPE_VFIO,
1392#define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1393        KVM_DEV_TYPE_ARM_VGIC_V2,
1394#define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1395        KVM_DEV_TYPE_FLIC,
1396#define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1397        KVM_DEV_TYPE_ARM_VGIC_V3,
1398#define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1399        KVM_DEV_TYPE_ARM_VGIC_ITS,
1400#define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1401        KVM_DEV_TYPE_XIVE,
1402#define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
1403        KVM_DEV_TYPE_ARM_PV_TIME,
1404#define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
1405        KVM_DEV_TYPE_MAX,
1406};
1407
1408struct kvm_vfio_spapr_tce {
1409        __s32   groupfd;
1410        __s32   tablefd;
1411};
1412
1413/*
1414 * ioctls for VM fds
1415 */
1416#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1417/*
1418 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1419 * a vcpu fd.
1420 */
1421#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1422#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1423/* KVM_SET_MEMORY_ALIAS is obsolete: */
1424#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1425#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1426#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1427#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1428                                        struct kvm_userspace_memory_region)
1429#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1430#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1431
1432/* enable ucontrol for s390 */
1433struct kvm_s390_ucas_mapping {
1434        __u64 user_addr;
1435        __u64 vcpu_addr;
1436        __u64 length;
1437};
1438#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1439#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1440#define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1441
1442/* Device model IOC */
1443#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1444#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1445#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1446#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1447#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1448#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1449#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1450#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1451#define KVM_REGISTER_COALESCED_MMIO \
1452                        _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1453#define KVM_UNREGISTER_COALESCED_MMIO \
1454                        _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1455#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1456                                       struct kvm_assigned_pci_dev)
1457#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1458/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1459#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1460#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1461#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1462#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1463                                       struct kvm_assigned_pci_dev)
1464#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1465                                       struct kvm_assigned_msix_nr)
1466#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1467                                       struct kvm_assigned_msix_entry)
1468#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1469#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1470#define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1471#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1472#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1473#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1474#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1475#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1476/* Available with KVM_CAP_PIT_STATE2 */
1477#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1478#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1479/* Available with KVM_CAP_PPC_GET_PVINFO */
1480#define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1481/* Available with KVM_CAP_TSC_CONTROL */
1482#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1483#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1484/* Available with KVM_CAP_PCI_2_3 */
1485#define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1486                                       struct kvm_assigned_pci_dev)
1487/* Available with KVM_CAP_SIGNAL_MSI */
1488#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1489/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1490#define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1491/* Available with KVM_CAP_PPC_ALLOC_HTAB */
1492#define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1493#define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1494#define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1495                                       struct kvm_create_spapr_tce_64)
1496/* Available with KVM_CAP_RMA */
1497#define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1498/* Available with KVM_CAP_PPC_HTAB_FD */
1499#define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1500/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1501#define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1502/* Available with KVM_CAP_PPC_RTAS */
1503#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1504/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1505#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1506#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1507/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1508#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1509/* Available with KVM_CAP_PPC_RADIX_MMU */
1510#define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1511/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1512#define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1513/* Available with KVM_CAP_PMU_EVENT_FILTER */
1514#define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1515#define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
1516#define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1517
1518/* ioctl for vm fd */
1519#define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1520
1521/* ioctls for fds returned by KVM_CREATE_DEVICE */
1522#define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1523#define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1524#define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1525
1526/*
1527 * ioctls for vcpu fds
1528 */
1529#define KVM_RUN                   _IO(KVMIO,   0x80)
1530#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1531#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1532#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1533#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1534#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1535#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1536/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1537#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1538#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1539#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1540#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1541#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1542#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1543#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1544#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1545#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1546#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1547#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1548/* Available with KVM_CAP_VAPIC */
1549#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1550/* Available with KVM_CAP_VAPIC */
1551#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1552/* valid for virtual machine (for floating interrupt)_and_ vcpu */
1553#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1554/* store status for s390 */
1555#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1556#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1557#define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1558/* initial ipl psw for s390 */
1559#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1560/* initial reset for s390 */
1561#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1562#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1563#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1564/* Available with KVM_CAP_USER_NMI */
1565#define KVM_NMI                   _IO(KVMIO,   0x9a)
1566/* Available with KVM_CAP_SET_GUEST_DEBUG */
1567#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1568/* MCE for x86 */
1569#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1570#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1571#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1572/* Available with KVM_CAP_VCPU_EVENTS */
1573#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1574#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1575/* Available with KVM_CAP_DEBUGREGS */
1576#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1577#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1578/*
1579 * vcpu version available with KVM_ENABLE_CAP
1580 * vm version available with KVM_CAP_ENABLE_CAP_VM
1581 */
1582#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1583/* Available with KVM_CAP_XSAVE */
1584#define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1585#define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1586/* Available with KVM_CAP_XCRS */
1587#define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1588#define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1589/* Available with KVM_CAP_SW_TLB */
1590#define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1591/* Available with KVM_CAP_ONE_REG */
1592#define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1593#define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1594/* VM is being stopped by host */
1595#define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1596#define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1597#define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1598#define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1599/* Available with KVM_CAP_S390_MEM_OP */
1600#define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1601/* Available with KVM_CAP_S390_SKEYS */
1602#define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1603#define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1604/* Available with KVM_CAP_S390_INJECT_IRQ */
1605#define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1606/* Available with KVM_CAP_S390_IRQ_STATE */
1607#define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1608#define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1609/* Available with KVM_CAP_X86_SMM */
1610#define KVM_SMI                   _IO(KVMIO,   0xb7)
1611/* Available with KVM_CAP_S390_CMMA_MIGRATION */
1612#define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1613#define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1614/* Memory Encryption Commands */
1615#define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1616
1617struct kvm_enc_region {
1618        __u64 addr;
1619        __u64 size;
1620};
1621
1622#define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1623#define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1624
1625/* Available with KVM_CAP_HYPERV_EVENTFD */
1626#define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1627
1628/* Available with KVM_CAP_NESTED_STATE */
1629#define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1630#define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1631
1632/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1633#define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1634
1635/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1636#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1637
1638/* Available with KVM_CAP_ARM_SVE */
1639#define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1640
1641/* Available with  KVM_CAP_S390_VCPU_RESETS */
1642#define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1643#define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1644
1645struct kvm_s390_pv_sec_parm {
1646        __u64 origin;
1647        __u64 length;
1648};
1649
1650struct kvm_s390_pv_unp {
1651        __u64 addr;
1652        __u64 size;
1653        __u64 tweak;
1654};
1655
1656enum pv_cmd_id {
1657        KVM_PV_ENABLE,
1658        KVM_PV_DISABLE,
1659        KVM_PV_SET_SEC_PARMS,
1660        KVM_PV_UNPACK,
1661        KVM_PV_VERIFY,
1662        KVM_PV_PREP_RESET,
1663        KVM_PV_UNSHARE_ALL,
1664};
1665
1666struct kvm_pv_cmd {
1667        __u32 cmd;      /* Command to be executed */
1668        __u16 rc;       /* Ultravisor return code */
1669        __u16 rrc;      /* Ultravisor return reason code */
1670        __u64 data;     /* Data or address */
1671        __u32 flags;    /* flags for future extensions. Must be 0 for now */
1672        __u32 reserved[3];
1673};
1674
1675/* Available with KVM_CAP_S390_PROTECTED */
1676#define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1677
1678/* Available with KVM_CAP_X86_MSR_FILTER */
1679#define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1680
1681/* Available with KVM_CAP_DIRTY_LOG_RING */
1682#define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)
1683
1684/* Per-VM Xen attributes */
1685#define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1686#define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1687
1688struct kvm_xen_hvm_attr {
1689        __u16 type;
1690        __u16 pad[3];
1691        union {
1692                __u8 long_mode;
1693                __u8 vector;
1694                struct {
1695                        __u64 gfn;
1696                } shared_info;
1697                __u64 pad[8];
1698        } u;
1699};
1700
1701/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1702#define KVM_XEN_ATTR_TYPE_LONG_MODE             0x0
1703#define KVM_XEN_ATTR_TYPE_SHARED_INFO           0x1
1704#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR         0x2
1705
1706/* Per-vCPU Xen attributes */
1707#define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1708#define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1709
1710#define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1711#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1712
1713struct kvm_xen_vcpu_attr {
1714        __u16 type;
1715        __u16 pad[3];
1716        union {
1717                __u64 gpa;
1718                __u64 pad[8];
1719                struct {
1720                        __u64 state;
1721                        __u64 state_entry_time;
1722                        __u64 time_running;
1723                        __u64 time_runnable;
1724                        __u64 time_blocked;
1725                        __u64 time_offline;
1726                } runstate;
1727        } u;
1728};
1729
1730/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1731#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO        0x0
1732#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO   0x1
1733#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR    0x2
1734#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1735#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA    0x4
1736#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST  0x5
1737
1738/* Secure Encrypted Virtualization command */
1739enum sev_cmd_id {
1740        /* Guest initialization commands */
1741        KVM_SEV_INIT = 0,
1742        KVM_SEV_ES_INIT,
1743        /* Guest launch commands */
1744        KVM_SEV_LAUNCH_START,
1745        KVM_SEV_LAUNCH_UPDATE_DATA,
1746        KVM_SEV_LAUNCH_UPDATE_VMSA,
1747        KVM_SEV_LAUNCH_SECRET,
1748        KVM_SEV_LAUNCH_MEASURE,
1749        KVM_SEV_LAUNCH_FINISH,
1750        /* Guest migration commands (outgoing) */
1751        KVM_SEV_SEND_START,
1752        KVM_SEV_SEND_UPDATE_DATA,
1753        KVM_SEV_SEND_UPDATE_VMSA,
1754        KVM_SEV_SEND_FINISH,
1755        /* Guest migration commands (incoming) */
1756        KVM_SEV_RECEIVE_START,
1757        KVM_SEV_RECEIVE_UPDATE_DATA,
1758        KVM_SEV_RECEIVE_UPDATE_VMSA,
1759        KVM_SEV_RECEIVE_FINISH,
1760        /* Guest status and debug commands */
1761        KVM_SEV_GUEST_STATUS,
1762        KVM_SEV_DBG_DECRYPT,
1763        KVM_SEV_DBG_ENCRYPT,
1764        /* Guest certificates commands */
1765        KVM_SEV_CERT_EXPORT,
1766        /* Attestation report */
1767        KVM_SEV_GET_ATTESTATION_REPORT,
1768        /* Guest Migration Extension */
1769        KVM_SEV_SEND_CANCEL,
1770
1771        KVM_SEV_NR_MAX,
1772};
1773
1774struct kvm_sev_cmd {
1775        __u32 id;
1776        __u64 data;
1777        __u32 error;
1778        __u32 sev_fd;
1779};
1780
1781struct kvm_sev_launch_start {
1782        __u32 handle;
1783        __u32 policy;
1784        __u64 dh_uaddr;
1785        __u32 dh_len;
1786        __u64 session_uaddr;
1787        __u32 session_len;
1788};
1789
1790struct kvm_sev_launch_update_data {
1791        __u64 uaddr;
1792        __u32 len;
1793};
1794
1795
1796struct kvm_sev_launch_secret {
1797        __u64 hdr_uaddr;
1798        __u32 hdr_len;
1799        __u64 guest_uaddr;
1800        __u32 guest_len;
1801        __u64 trans_uaddr;
1802        __u32 trans_len;
1803};
1804
1805struct kvm_sev_launch_measure {
1806        __u64 uaddr;
1807        __u32 len;
1808};
1809
1810struct kvm_sev_guest_status {
1811        __u32 handle;
1812        __u32 policy;
1813        __u32 state;
1814};
1815
1816struct kvm_sev_dbg {
1817        __u64 src_uaddr;
1818        __u64 dst_uaddr;
1819        __u32 len;
1820};
1821
1822struct kvm_sev_attestation_report {
1823        __u8 mnonce[16];
1824        __u64 uaddr;
1825        __u32 len;
1826};
1827
1828struct kvm_sev_send_start {
1829        __u32 policy;
1830        __u64 pdh_cert_uaddr;
1831        __u32 pdh_cert_len;
1832        __u64 plat_certs_uaddr;
1833        __u32 plat_certs_len;
1834        __u64 amd_certs_uaddr;
1835        __u32 amd_certs_len;
1836        __u64 session_uaddr;
1837        __u32 session_len;
1838};
1839
1840struct kvm_sev_send_update_data {
1841        __u64 hdr_uaddr;
1842        __u32 hdr_len;
1843        __u64 guest_uaddr;
1844        __u32 guest_len;
1845        __u64 trans_uaddr;
1846        __u32 trans_len;
1847};
1848
1849struct kvm_sev_receive_start {
1850        __u32 handle;
1851        __u32 policy;
1852        __u64 pdh_uaddr;
1853        __u32 pdh_len;
1854        __u64 session_uaddr;
1855        __u32 session_len;
1856};
1857
1858struct kvm_sev_receive_update_data {
1859        __u64 hdr_uaddr;
1860        __u32 hdr_len;
1861        __u64 guest_uaddr;
1862        __u32 guest_len;
1863        __u64 trans_uaddr;
1864        __u32 trans_len;
1865};
1866
1867#define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
1868#define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
1869#define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
1870
1871struct kvm_assigned_pci_dev {
1872        __u32 assigned_dev_id;
1873        __u32 busnr;
1874        __u32 devfn;
1875        __u32 flags;
1876        __u32 segnr;
1877        union {
1878                __u32 reserved[11];
1879        };
1880};
1881
1882#define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1883#define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1884#define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1885
1886#define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1887#define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1888#define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1889
1890#define KVM_DEV_IRQ_HOST_MASK    0x00ff
1891#define KVM_DEV_IRQ_GUEST_MASK   0xff00
1892
1893struct kvm_assigned_irq {
1894        __u32 assigned_dev_id;
1895        __u32 host_irq; /* ignored (legacy field) */
1896        __u32 guest_irq;
1897        __u32 flags;
1898        union {
1899                __u32 reserved[12];
1900        };
1901};
1902
1903struct kvm_assigned_msix_nr {
1904        __u32 assigned_dev_id;
1905        __u16 entry_nr;
1906        __u16 padding;
1907};
1908
1909#define KVM_MAX_MSIX_PER_DEV            256
1910struct kvm_assigned_msix_entry {
1911        __u32 assigned_dev_id;
1912        __u32 gsi;
1913        __u16 entry; /* The index of entry in the MSI-X table */
1914        __u16 padding[3];
1915};
1916
1917#define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1918#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1919
1920/* Available with KVM_CAP_ARM_USER_IRQ */
1921
1922/* Bits for run->s.regs.device_irq_level */
1923#define KVM_ARM_DEV_EL1_VTIMER          (1 << 0)
1924#define KVM_ARM_DEV_EL1_PTIMER          (1 << 1)
1925#define KVM_ARM_DEV_PMU                 (1 << 2)
1926
1927struct kvm_hyperv_eventfd {
1928        __u32 conn_id;
1929        __s32 fd;
1930        __u32 flags;
1931        __u32 padding[3];
1932};
1933
1934#define KVM_HYPERV_CONN_ID_MASK         0x00ffffff
1935#define KVM_HYPERV_EVENTFD_DEASSIGN     (1 << 0)
1936
1937#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1938#define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1939
1940/*
1941 * Arch needs to define the macro after implementing the dirty ring
1942 * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1943 * starting page offset of the dirty ring structures.
1944 */
1945#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1946#define KVM_DIRTY_LOG_PAGE_OFFSET 0
1947#endif
1948
1949/*
1950 * KVM dirty GFN flags, defined as:
1951 *
1952 * |---------------+---------------+--------------|
1953 * | bit 1 (reset) | bit 0 (dirty) | Status       |
1954 * |---------------+---------------+--------------|
1955 * |             0 |             0 | Invalid GFN  |
1956 * |             0 |             1 | Dirty GFN    |
1957 * |             1 |             X | GFN to reset |
1958 * |---------------+---------------+--------------|
1959 *
1960 * Lifecycle of a dirty GFN goes like:
1961 *
1962 *      dirtied         harvested        reset
1963 * 00 -----------> 01 -------------> 1X -------+
1964 *  ^                                          |
1965 *  |                                          |
1966 *  +------------------------------------------+
1967 *
1968 * The userspace program is only responsible for the 01->1X state
1969 * conversion after harvesting an entry.  Also, it must not skip any
1970 * dirty bits, so that dirty bits are always harvested in sequence.
1971 */
1972#define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
1973#define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
1974#define KVM_DIRTY_GFN_F_MASK            0x3
1975
1976/*
1977 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1978 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1979 * size of the gfn buffer is decided by the first argument when
1980 * enabling KVM_CAP_DIRTY_LOG_RING.
1981 */
1982struct kvm_dirty_gfn {
1983        __u32 flags;
1984        __u32 slot;
1985        __u64 offset;
1986};
1987
1988#define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
1989#define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
1990
1991#define KVM_PMU_CAP_DISABLE                    (1 << 0)
1992
1993/**
1994 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1995 * @flags: Some extra information for header, always 0 for now.
1996 * @name_size: The size in bytes of the memory which contains statistics
1997 *             name string including trailing '\0'. The memory is allocated
1998 *             at the send of statistics descriptor.
1999 * @num_desc: The number of statistics the vm or vcpu has.
2000 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2001 *             by vm/vcpu stats fd.
2002 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2003 *               pointd by vm/vcpu stats fd.
2004 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2005 *               pointed by vm/vcpu stats fd.
2006 *
2007 * This is the header userspace needs to read from stats fd before any other
2008 * readings. It is used by userspace to discover all the information about the
2009 * vm/vcpu's binary statistics.
2010 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2011 */
2012struct kvm_stats_header {
2013        __u32 flags;
2014        __u32 name_size;
2015        __u32 num_desc;
2016        __u32 id_offset;
2017        __u32 desc_offset;
2018        __u32 data_offset;
2019};
2020
2021#define KVM_STATS_TYPE_SHIFT            0
2022#define KVM_STATS_TYPE_MASK             (0xF << KVM_STATS_TYPE_SHIFT)
2023#define KVM_STATS_TYPE_CUMULATIVE       (0x0 << KVM_STATS_TYPE_SHIFT)
2024#define KVM_STATS_TYPE_INSTANT          (0x1 << KVM_STATS_TYPE_SHIFT)
2025#define KVM_STATS_TYPE_PEAK             (0x2 << KVM_STATS_TYPE_SHIFT)
2026#define KVM_STATS_TYPE_LINEAR_HIST      (0x3 << KVM_STATS_TYPE_SHIFT)
2027#define KVM_STATS_TYPE_LOG_HIST         (0x4 << KVM_STATS_TYPE_SHIFT)
2028#define KVM_STATS_TYPE_MAX              KVM_STATS_TYPE_LOG_HIST
2029
2030#define KVM_STATS_UNIT_SHIFT            4
2031#define KVM_STATS_UNIT_MASK             (0xF << KVM_STATS_UNIT_SHIFT)
2032#define KVM_STATS_UNIT_NONE             (0x0 << KVM_STATS_UNIT_SHIFT)
2033#define KVM_STATS_UNIT_BYTES            (0x1 << KVM_STATS_UNIT_SHIFT)
2034#define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
2035#define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
2036#define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_CYCLES
2037
2038#define KVM_STATS_BASE_SHIFT            8
2039#define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)
2040#define KVM_STATS_BASE_POW10            (0x0 << KVM_STATS_BASE_SHIFT)
2041#define KVM_STATS_BASE_POW2             (0x1 << KVM_STATS_BASE_SHIFT)
2042#define KVM_STATS_BASE_MAX              KVM_STATS_BASE_POW2
2043
2044/**
2045 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2046 * @flags: Annotations of the stats, like type, unit, etc.
2047 * @exponent: Used together with @flags to determine the unit.
2048 * @size: The number of data items for this stats.
2049 *        Every data item is of type __u64.
2050 * @offset: The offset of the stats to the start of stat structure in
2051 *          structure kvm or kvm_vcpu.
2052 * @bucket_size: A parameter value used for histogram stats. It is only used
2053 *              for linear histogram stats, specifying the size of the bucket;
2054 * @name: The name string for the stats. Its size is indicated by the
2055 *        &kvm_stats_header->name_size.
2056 */
2057struct kvm_stats_desc {
2058        __u32 flags;
2059        __s16 exponent;
2060        __u16 size;
2061        __u32 offset;
2062        __u32 bucket_size;
2063        char name[];
2064};
2065
2066#define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2067
2068/* Available with KVM_CAP_XSAVE2 */
2069#define KVM_GET_XSAVE2            _IOR(KVMIO,  0xcf, struct kvm_xsave)
2070
2071#endif /* __LINUX_KVM_H */
2072