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