linux/include/linux/kvm.h
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   1#ifndef __LINUX_KVM_H
   2#define __LINUX_KVM_H
   3
   4/*
   5 * Userspace interface for /dev/kvm - kernel based virtual machine
   6 *
   7 * Note: you must update KVM_API_VERSION if you change this interface.
   8 */
   9
  10#include <linux/types.h>
  11#include <linux/compiler.h>
  12#include <linux/ioctl.h>
  13#include <asm/kvm.h>
  14
  15#define KVM_API_VERSION 12
  16
  17/* *** Deprecated interfaces *** */
  18
  19#define KVM_TRC_SHIFT           16
  20
  21#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
  22#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
  23
  24#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
  25#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
  26#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
  27
  28#define KVM_TRC_HEAD_SIZE       12
  29#define KVM_TRC_CYCLE_SIZE      8
  30#define KVM_TRC_EXTRA_MAX       7
  31
  32#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
  33#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
  34#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
  35#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
  36#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
  37#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
  38#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
  39#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
  40#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
  41#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
  42#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
  43#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
  44#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
  45#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
  46#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
  47#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
  48#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
  49#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
  50#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
  51#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
  52#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
  53#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
  54#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
  55#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
  56
  57struct kvm_user_trace_setup {
  58        __u32 buf_size;
  59        __u32 buf_nr;
  60};
  61
  62#define __KVM_DEPRECATED_MAIN_W_0x06 \
  63        _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
  64#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
  65#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
  66
  67#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
  68
  69struct kvm_breakpoint {
  70        __u32 enabled;
  71        __u32 padding;
  72        __u64 address;
  73};
  74
  75struct kvm_debug_guest {
  76        __u32 enabled;
  77        __u32 pad;
  78        struct kvm_breakpoint breakpoints[4];
  79        __u32 singlestep;
  80};
  81
  82#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
  83
  84/* *** End of deprecated interfaces *** */
  85
  86
  87/* for KVM_CREATE_MEMORY_REGION */
  88struct kvm_memory_region {
  89        __u32 slot;
  90        __u32 flags;
  91        __u64 guest_phys_addr;
  92        __u64 memory_size; /* bytes */
  93};
  94
  95/* for KVM_SET_USER_MEMORY_REGION */
  96struct kvm_userspace_memory_region {
  97        __u32 slot;
  98        __u32 flags;
  99        __u64 guest_phys_addr;
 100        __u64 memory_size; /* bytes */
 101        __u64 userspace_addr; /* start of the userspace allocated memory */
 102};
 103
 104/* for kvm_memory_region::flags */
 105#define KVM_MEM_LOG_DIRTY_PAGES  1UL
 106#define KVM_MEMSLOT_INVALID      (1UL << 1)
 107
 108/* for KVM_IRQ_LINE */
 109struct kvm_irq_level {
 110        /*
 111         * ACPI gsi notion of irq.
 112         * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
 113         * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
 114         */
 115        union {
 116                __u32 irq;
 117                __s32 status;
 118        };
 119        __u32 level;
 120};
 121
 122
 123struct kvm_irqchip {
 124        __u32 chip_id;
 125        __u32 pad;
 126        union {
 127                char dummy[512];  /* reserving space */
 128#ifdef __KVM_HAVE_PIT
 129                struct kvm_pic_state pic;
 130#endif
 131#ifdef __KVM_HAVE_IOAPIC
 132                struct kvm_ioapic_state ioapic;
 133#endif
 134        } chip;
 135};
 136
 137/* for KVM_CREATE_PIT2 */
 138struct kvm_pit_config {
 139        __u32 flags;
 140        __u32 pad[15];
 141};
 142
 143#define KVM_PIT_SPEAKER_DUMMY     1
 144
 145#define KVM_EXIT_UNKNOWN          0
 146#define KVM_EXIT_EXCEPTION        1
 147#define KVM_EXIT_IO               2
 148#define KVM_EXIT_HYPERCALL        3
 149#define KVM_EXIT_DEBUG            4
 150#define KVM_EXIT_HLT              5
 151#define KVM_EXIT_MMIO             6
 152#define KVM_EXIT_IRQ_WINDOW_OPEN  7
 153#define KVM_EXIT_SHUTDOWN         8
 154#define KVM_EXIT_FAIL_ENTRY       9
 155#define KVM_EXIT_INTR             10
 156#define KVM_EXIT_SET_TPR          11
 157#define KVM_EXIT_TPR_ACCESS       12
 158#define KVM_EXIT_S390_SIEIC       13
 159#define KVM_EXIT_S390_RESET       14
 160#define KVM_EXIT_DCR              15
 161#define KVM_EXIT_NMI              16
 162#define KVM_EXIT_INTERNAL_ERROR   17
 163#define KVM_EXIT_OSI              18
 164#define KVM_EXIT_PAPR_HCALL       19
 165#define KVM_EXIT_S390_UCONTROL    20
 166
 167/* For KVM_EXIT_INTERNAL_ERROR */
 168#define KVM_INTERNAL_ERROR_EMULATION 1
 169#define KVM_INTERNAL_ERROR_SIMUL_EX 2
 170
 171/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 172struct kvm_run {
 173        /* in */
 174        __u8 request_interrupt_window;
 175        __u8 padding1[7];
 176
 177        /* out */
 178        __u32 exit_reason;
 179        __u8 ready_for_interrupt_injection;
 180        __u8 if_flag;
 181        __u8 padding2[2];
 182
 183        /* in (pre_kvm_run), out (post_kvm_run) */
 184        __u64 cr8;
 185        __u64 apic_base;
 186
 187#ifdef __KVM_S390
 188        /* the processor status word for s390 */
 189        __u64 psw_mask; /* psw upper half */
 190        __u64 psw_addr; /* psw lower half */
 191#endif
 192        union {
 193                /* KVM_EXIT_UNKNOWN */
 194                struct {
 195                        __u64 hardware_exit_reason;
 196                } hw;
 197                /* KVM_EXIT_FAIL_ENTRY */
 198                struct {
 199                        __u64 hardware_entry_failure_reason;
 200                } fail_entry;
 201                /* KVM_EXIT_EXCEPTION */
 202                struct {
 203                        __u32 exception;
 204                        __u32 error_code;
 205                } ex;
 206                /* KVM_EXIT_IO */
 207                struct {
 208#define KVM_EXIT_IO_IN  0
 209#define KVM_EXIT_IO_OUT 1
 210                        __u8 direction;
 211                        __u8 size; /* bytes */
 212                        __u16 port;
 213                        __u32 count;
 214                        __u64 data_offset; /* relative to kvm_run start */
 215                } io;
 216                struct {
 217                        struct kvm_debug_exit_arch arch;
 218                } debug;
 219                /* KVM_EXIT_MMIO */
 220                struct {
 221                        __u64 phys_addr;
 222                        __u8  data[8];
 223                        __u32 len;
 224                        __u8  is_write;
 225                } mmio;
 226                /* KVM_EXIT_HYPERCALL */
 227                struct {
 228                        __u64 nr;
 229                        __u64 args[6];
 230                        __u64 ret;
 231                        __u32 longmode;
 232                        __u32 pad;
 233                } hypercall;
 234                /* KVM_EXIT_TPR_ACCESS */
 235                struct {
 236                        __u64 rip;
 237                        __u32 is_write;
 238                        __u32 pad;
 239                } tpr_access;
 240                /* KVM_EXIT_S390_SIEIC */
 241                struct {
 242                        __u8 icptcode;
 243                        __u16 ipa;
 244                        __u32 ipb;
 245                } s390_sieic;
 246                /* KVM_EXIT_S390_RESET */
 247#define KVM_S390_RESET_POR       1
 248#define KVM_S390_RESET_CLEAR     2
 249#define KVM_S390_RESET_SUBSYSTEM 4
 250#define KVM_S390_RESET_CPU_INIT  8
 251#define KVM_S390_RESET_IPL       16
 252                __u64 s390_reset_flags;
 253                /* KVM_EXIT_S390_UCONTROL */
 254                struct {
 255                        __u64 trans_exc_code;
 256                        __u32 pgm_code;
 257                } s390_ucontrol;
 258                /* KVM_EXIT_DCR */
 259                struct {
 260                        __u32 dcrn;
 261                        __u32 data;
 262                        __u8  is_write;
 263                } dcr;
 264                struct {
 265                        __u32 suberror;
 266                        /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 267                        __u32 ndata;
 268                        __u64 data[16];
 269                } internal;
 270                /* KVM_EXIT_OSI */
 271                struct {
 272                        __u64 gprs[32];
 273                } osi;
 274                struct {
 275                        __u64 nr;
 276                        __u64 ret;
 277                        __u64 args[9];
 278                } papr_hcall;
 279                /* Fix the size of the union. */
 280                char padding[256];
 281        };
 282
 283        /*
 284         * shared registers between kvm and userspace.
 285         * kvm_valid_regs specifies the register classes set by the host
 286         * kvm_dirty_regs specified the register classes dirtied by userspace
 287         * struct kvm_sync_regs is architecture specific, as well as the
 288         * bits for kvm_valid_regs and kvm_dirty_regs
 289         */
 290        __u64 kvm_valid_regs;
 291        __u64 kvm_dirty_regs;
 292        union {
 293                struct kvm_sync_regs regs;
 294                char padding[1024];
 295        } s;
 296};
 297
 298/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 299
 300struct kvm_coalesced_mmio_zone {
 301        __u64 addr;
 302        __u32 size;
 303        __u32 pad;
 304};
 305
 306struct kvm_coalesced_mmio {
 307        __u64 phys_addr;
 308        __u32 len;
 309        __u32 pad;
 310        __u8  data[8];
 311};
 312
 313struct kvm_coalesced_mmio_ring {
 314        __u32 first, last;
 315        struct kvm_coalesced_mmio coalesced_mmio[0];
 316};
 317
 318#define KVM_COALESCED_MMIO_MAX \
 319        ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 320         sizeof(struct kvm_coalesced_mmio))
 321
 322/* for KVM_TRANSLATE */
 323struct kvm_translation {
 324        /* in */
 325        __u64 linear_address;
 326
 327        /* out */
 328        __u64 physical_address;
 329        __u8  valid;
 330        __u8  writeable;
 331        __u8  usermode;
 332        __u8  pad[5];
 333};
 334
 335/* for KVM_INTERRUPT */
 336struct kvm_interrupt {
 337        /* in */
 338        __u32 irq;
 339};
 340
 341/* for KVM_GET_DIRTY_LOG */
 342struct kvm_dirty_log {
 343        __u32 slot;
 344        __u32 padding1;
 345        union {
 346                void __user *dirty_bitmap; /* one bit per page */
 347                __u64 padding2;
 348        };
 349};
 350
 351/* for KVM_SET_SIGNAL_MASK */
 352struct kvm_signal_mask {
 353        __u32 len;
 354        __u8  sigset[0];
 355};
 356
 357/* for KVM_TPR_ACCESS_REPORTING */
 358struct kvm_tpr_access_ctl {
 359        __u32 enabled;
 360        __u32 flags;
 361        __u32 reserved[8];
 362};
 363
 364/* for KVM_SET_VAPIC_ADDR */
 365struct kvm_vapic_addr {
 366        __u64 vapic_addr;
 367};
 368
 369/* for KVM_SET_MPSTATE */
 370
 371#define KVM_MP_STATE_RUNNABLE          0
 372#define KVM_MP_STATE_UNINITIALIZED     1
 373#define KVM_MP_STATE_INIT_RECEIVED     2
 374#define KVM_MP_STATE_HALTED            3
 375#define KVM_MP_STATE_SIPI_RECEIVED     4
 376
 377struct kvm_mp_state {
 378        __u32 mp_state;
 379};
 380
 381struct kvm_s390_psw {
 382        __u64 mask;
 383        __u64 addr;
 384};
 385
 386/* valid values for type in kvm_s390_interrupt */
 387#define KVM_S390_SIGP_STOP              0xfffe0000u
 388#define KVM_S390_PROGRAM_INT            0xfffe0001u
 389#define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 390#define KVM_S390_RESTART                0xfffe0003u
 391#define KVM_S390_INT_VIRTIO             0xffff2603u
 392#define KVM_S390_INT_SERVICE            0xffff2401u
 393#define KVM_S390_INT_EMERGENCY          0xffff1201u
 394#define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 395
 396struct kvm_s390_interrupt {
 397        __u32 type;
 398        __u32 parm;
 399        __u64 parm64;
 400};
 401
 402/* for KVM_SET_GUEST_DEBUG */
 403
 404#define KVM_GUESTDBG_ENABLE             0x00000001
 405#define KVM_GUESTDBG_SINGLESTEP         0x00000002
 406
 407struct kvm_guest_debug {
 408        __u32 control;
 409        __u32 pad;
 410        struct kvm_guest_debug_arch arch;
 411};
 412
 413enum {
 414        kvm_ioeventfd_flag_nr_datamatch,
 415        kvm_ioeventfd_flag_nr_pio,
 416        kvm_ioeventfd_flag_nr_deassign,
 417        kvm_ioeventfd_flag_nr_max,
 418};
 419
 420#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 421#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 422#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 423
 424#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 425
 426struct kvm_ioeventfd {
 427        __u64 datamatch;
 428        __u64 addr;        /* legal pio/mmio address */
 429        __u32 len;         /* 1, 2, 4, or 8 bytes    */
 430        __s32 fd;
 431        __u32 flags;
 432        __u8  pad[36];
 433};
 434
 435/* for KVM_ENABLE_CAP */
 436struct kvm_enable_cap {
 437        /* in */
 438        __u32 cap;
 439        __u32 flags;
 440        __u64 args[4];
 441        __u8  pad[64];
 442};
 443
 444/* for KVM_PPC_GET_PVINFO */
 445struct kvm_ppc_pvinfo {
 446        /* out */
 447        __u32 flags;
 448        __u32 hcall[4];
 449        __u8  pad[108];
 450};
 451
 452/* for KVM_PPC_GET_SMMU_INFO */
 453#define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 454
 455struct kvm_ppc_one_page_size {
 456        __u32 page_shift;       /* Page shift (or 0) */
 457        __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 458};
 459
 460struct kvm_ppc_one_seg_page_size {
 461        __u32 page_shift;       /* Base page shift of segment (or 0) */
 462        __u32 slb_enc;          /* SLB encoding for BookS */
 463        struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 464};
 465
 466#define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 467#define KVM_PPC_1T_SEGMENTS             0x00000002
 468
 469struct kvm_ppc_smmu_info {
 470        __u64 flags;
 471        __u32 slb_size;
 472        __u32 pad;
 473        struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 474};
 475
 476#define KVMIO 0xAE
 477
 478/* machine type bits, to be used as argument to KVM_CREATE_VM */
 479#define KVM_VM_S390_UCONTROL    1
 480
 481#define KVM_S390_SIE_PAGE_OFFSET 1
 482
 483/*
 484 * ioctls for /dev/kvm fds:
 485 */
 486#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 487#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 488#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 489
 490#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 491/*
 492 * Check if a kvm extension is available.  Argument is extension number,
 493 * return is 1 (yes) or 0 (no, sorry).
 494 */
 495#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 496/*
 497 * Get size for mmap(vcpu_fd)
 498 */
 499#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 500#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 501#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 502#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 503#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 504
 505/*
 506 * Extension capability list.
 507 */
 508#define KVM_CAP_IRQCHIP   0
 509#define KVM_CAP_HLT       1
 510#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 511#define KVM_CAP_USER_MEMORY 3
 512#define KVM_CAP_SET_TSS_ADDR 4
 513#define KVM_CAP_VAPIC 6
 514#define KVM_CAP_EXT_CPUID 7
 515#define KVM_CAP_CLOCKSOURCE 8
 516#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 517#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 518#define KVM_CAP_PIT 11
 519#define KVM_CAP_NOP_IO_DELAY 12
 520#define KVM_CAP_PV_MMU 13
 521#define KVM_CAP_MP_STATE 14
 522#define KVM_CAP_COALESCED_MMIO 15
 523#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 524#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 525#define KVM_CAP_DEVICE_ASSIGNMENT 17
 526#endif
 527#define KVM_CAP_IOMMU 18
 528#ifdef __KVM_HAVE_MSI
 529#define KVM_CAP_DEVICE_MSI 20
 530#endif
 531/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 532#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 533#ifdef __KVM_HAVE_USER_NMI
 534#define KVM_CAP_USER_NMI 22
 535#endif
 536#ifdef __KVM_HAVE_GUEST_DEBUG
 537#define KVM_CAP_SET_GUEST_DEBUG 23
 538#endif
 539#ifdef __KVM_HAVE_PIT
 540#define KVM_CAP_REINJECT_CONTROL 24
 541#endif
 542#ifdef __KVM_HAVE_IOAPIC
 543#define KVM_CAP_IRQ_ROUTING 25
 544#endif
 545#define KVM_CAP_IRQ_INJECT_STATUS 26
 546#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 547#define KVM_CAP_DEVICE_DEASSIGNMENT 27
 548#endif
 549#ifdef __KVM_HAVE_MSIX
 550#define KVM_CAP_DEVICE_MSIX 28
 551#endif
 552#define KVM_CAP_ASSIGN_DEV_IRQ 29
 553/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 554#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 555#ifdef __KVM_HAVE_MCE
 556#define KVM_CAP_MCE 31
 557#endif
 558#define KVM_CAP_IRQFD 32
 559#ifdef __KVM_HAVE_PIT
 560#define KVM_CAP_PIT2 33
 561#endif
 562#define KVM_CAP_SET_BOOT_CPU_ID 34
 563#ifdef __KVM_HAVE_PIT_STATE2
 564#define KVM_CAP_PIT_STATE2 35
 565#endif
 566#define KVM_CAP_IOEVENTFD 36
 567#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 568#ifdef __KVM_HAVE_XEN_HVM
 569#define KVM_CAP_XEN_HVM 38
 570#endif
 571#define KVM_CAP_ADJUST_CLOCK 39
 572#define KVM_CAP_INTERNAL_ERROR_DATA 40
 573#ifdef __KVM_HAVE_VCPU_EVENTS
 574#define KVM_CAP_VCPU_EVENTS 41
 575#endif
 576#define KVM_CAP_S390_PSW 42
 577#define KVM_CAP_PPC_SEGSTATE 43
 578#define KVM_CAP_HYPERV 44
 579#define KVM_CAP_HYPERV_VAPIC 45
 580#define KVM_CAP_HYPERV_SPIN 46
 581#define KVM_CAP_PCI_SEGMENT 47
 582#define KVM_CAP_PPC_PAIRED_SINGLES 48
 583#define KVM_CAP_INTR_SHADOW 49
 584#ifdef __KVM_HAVE_DEBUGREGS
 585#define KVM_CAP_DEBUGREGS 50
 586#endif
 587#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 588#define KVM_CAP_PPC_OSI 52
 589#define KVM_CAP_PPC_UNSET_IRQ 53
 590#define KVM_CAP_ENABLE_CAP 54
 591#ifdef __KVM_HAVE_XSAVE
 592#define KVM_CAP_XSAVE 55
 593#endif
 594#ifdef __KVM_HAVE_XCRS
 595#define KVM_CAP_XCRS 56
 596#endif
 597#define KVM_CAP_PPC_GET_PVINFO 57
 598#define KVM_CAP_PPC_IRQ_LEVEL 58
 599#define KVM_CAP_ASYNC_PF 59
 600#define KVM_CAP_TSC_CONTROL 60
 601#define KVM_CAP_GET_TSC_KHZ 61
 602#define KVM_CAP_PPC_BOOKE_SREGS 62
 603#define KVM_CAP_SPAPR_TCE 63
 604#define KVM_CAP_PPC_SMT 64
 605#define KVM_CAP_PPC_RMA 65
 606#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 607#define KVM_CAP_PPC_HIOR 67
 608#define KVM_CAP_PPC_PAPR 68
 609#define KVM_CAP_SW_TLB 69
 610#define KVM_CAP_ONE_REG 70
 611#define KVM_CAP_S390_GMAP 71
 612#define KVM_CAP_TSC_DEADLINE_TIMER 72
 613#define KVM_CAP_S390_UCONTROL 73
 614#define KVM_CAP_SYNC_REGS 74
 615#define KVM_CAP_PCI_2_3 75
 616#define KVM_CAP_KVMCLOCK_CTRL 76
 617#define KVM_CAP_SIGNAL_MSI 77
 618#define KVM_CAP_PPC_GET_SMMU_INFO 78
 619#define KVM_CAP_S390_COW 79
 620#define KVM_CAP_PPC_ALLOC_HTAB 80
 621
 622#ifdef KVM_CAP_IRQ_ROUTING
 623
 624struct kvm_irq_routing_irqchip {
 625        __u32 irqchip;
 626        __u32 pin;
 627};
 628
 629struct kvm_irq_routing_msi {
 630        __u32 address_lo;
 631        __u32 address_hi;
 632        __u32 data;
 633        __u32 pad;
 634};
 635
 636/* gsi routing entry types */
 637#define KVM_IRQ_ROUTING_IRQCHIP 1
 638#define KVM_IRQ_ROUTING_MSI 2
 639
 640struct kvm_irq_routing_entry {
 641        __u32 gsi;
 642        __u32 type;
 643        __u32 flags;
 644        __u32 pad;
 645        union {
 646                struct kvm_irq_routing_irqchip irqchip;
 647                struct kvm_irq_routing_msi msi;
 648                __u32 pad[8];
 649        } u;
 650};
 651
 652struct kvm_irq_routing {
 653        __u32 nr;
 654        __u32 flags;
 655        struct kvm_irq_routing_entry entries[0];
 656};
 657
 658#endif
 659
 660#ifdef KVM_CAP_MCE
 661/* x86 MCE */
 662struct kvm_x86_mce {
 663        __u64 status;
 664        __u64 addr;
 665        __u64 misc;
 666        __u64 mcg_status;
 667        __u8 bank;
 668        __u8 pad1[7];
 669        __u64 pad2[3];
 670};
 671#endif
 672
 673#ifdef KVM_CAP_XEN_HVM
 674struct kvm_xen_hvm_config {
 675        __u32 flags;
 676        __u32 msr;
 677        __u64 blob_addr_32;
 678        __u64 blob_addr_64;
 679        __u8 blob_size_32;
 680        __u8 blob_size_64;
 681        __u8 pad2[30];
 682};
 683#endif
 684
 685#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
 686
 687struct kvm_irqfd {
 688        __u32 fd;
 689        __u32 gsi;
 690        __u32 flags;
 691        __u8  pad[20];
 692};
 693
 694struct kvm_clock_data {
 695        __u64 clock;
 696        __u32 flags;
 697        __u32 pad[9];
 698};
 699
 700#define KVM_MMU_FSL_BOOKE_NOHV          0
 701#define KVM_MMU_FSL_BOOKE_HV            1
 702
 703struct kvm_config_tlb {
 704        __u64 params;
 705        __u64 array;
 706        __u32 mmu_type;
 707        __u32 array_len;
 708};
 709
 710struct kvm_dirty_tlb {
 711        __u64 bitmap;
 712        __u32 num_dirty;
 713};
 714
 715/* Available with KVM_CAP_ONE_REG */
 716
 717#define KVM_REG_ARCH_MASK       0xff00000000000000ULL
 718#define KVM_REG_GENERIC         0x0000000000000000ULL
 719
 720/*
 721 * Architecture specific registers are to be defined in arch headers and
 722 * ORed with the arch identifier.
 723 */
 724#define KVM_REG_PPC             0x1000000000000000ULL
 725#define KVM_REG_X86             0x2000000000000000ULL
 726#define KVM_REG_IA64            0x3000000000000000ULL
 727#define KVM_REG_ARM             0x4000000000000000ULL
 728#define KVM_REG_S390            0x5000000000000000ULL
 729
 730#define KVM_REG_SIZE_SHIFT      52
 731#define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
 732#define KVM_REG_SIZE_U8         0x0000000000000000ULL
 733#define KVM_REG_SIZE_U16        0x0010000000000000ULL
 734#define KVM_REG_SIZE_U32        0x0020000000000000ULL
 735#define KVM_REG_SIZE_U64        0x0030000000000000ULL
 736#define KVM_REG_SIZE_U128       0x0040000000000000ULL
 737#define KVM_REG_SIZE_U256       0x0050000000000000ULL
 738#define KVM_REG_SIZE_U512       0x0060000000000000ULL
 739#define KVM_REG_SIZE_U1024      0x0070000000000000ULL
 740
 741struct kvm_one_reg {
 742        __u64 id;
 743        __u64 addr;
 744};
 745
 746struct kvm_msi {
 747        __u32 address_lo;
 748        __u32 address_hi;
 749        __u32 data;
 750        __u32 flags;
 751        __u8  pad[16];
 752};
 753
 754/*
 755 * ioctls for VM fds
 756 */
 757#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
 758/*
 759 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
 760 * a vcpu fd.
 761 */
 762#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
 763#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
 764/* KVM_SET_MEMORY_ALIAS is obsolete: */
 765#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
 766#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
 767#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
 768#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
 769                                        struct kvm_userspace_memory_region)
 770#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
 771#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
 772
 773/* enable ucontrol for s390 */
 774struct kvm_s390_ucas_mapping {
 775        __u64 user_addr;
 776        __u64 vcpu_addr;
 777        __u64 length;
 778};
 779#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
 780#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
 781#define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
 782
 783/* Device model IOC */
 784#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
 785#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
 786#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
 787#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
 788#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
 789#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
 790#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
 791#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
 792#define KVM_REGISTER_COALESCED_MMIO \
 793                        _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
 794#define KVM_UNREGISTER_COALESCED_MMIO \
 795                        _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
 796#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
 797                                       struct kvm_assigned_pci_dev)
 798#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
 799/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
 800#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
 801#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
 802#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
 803#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
 804                                       struct kvm_assigned_pci_dev)
 805#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
 806                                       struct kvm_assigned_msix_nr)
 807#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
 808                                       struct kvm_assigned_msix_entry)
 809#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
 810#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
 811#define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
 812#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
 813#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
 814#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
 815#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
 816#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
 817/* Available with KVM_CAP_PIT_STATE2 */
 818#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
 819#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
 820/* Available with KVM_CAP_PPC_GET_PVINFO */
 821#define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
 822/* Available with KVM_CAP_TSC_CONTROL */
 823#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
 824#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
 825/* Available with KVM_CAP_PCI_2_3 */
 826#define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
 827                                       struct kvm_assigned_pci_dev)
 828/* Available with KVM_CAP_SIGNAL_MSI */
 829#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
 830/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
 831#define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
 832/* Available with KVM_CAP_PPC_ALLOC_HTAB */
 833#define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
 834
 835/*
 836 * ioctls for vcpu fds
 837 */
 838#define KVM_RUN                   _IO(KVMIO,   0x80)
 839#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
 840#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
 841#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
 842#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
 843#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
 844#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
 845/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
 846#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
 847#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
 848#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
 849#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
 850#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
 851#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
 852#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
 853#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
 854#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
 855#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
 856#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
 857/* Available with KVM_CAP_VAPIC */
 858#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
 859/* Available with KVM_CAP_VAPIC */
 860#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
 861/* valid for virtual machine (for floating interrupt)_and_ vcpu */
 862#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
 863/* store status for s390 */
 864#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
 865#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
 866#define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
 867/* initial ipl psw for s390 */
 868#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
 869/* initial reset for s390 */
 870#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
 871#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
 872#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 873/* Available with KVM_CAP_NMI */
 874#define KVM_NMI                   _IO(KVMIO,   0x9a)
 875/* Available with KVM_CAP_SET_GUEST_DEBUG */
 876#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
 877/* MCE for x86 */
 878#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
 879#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
 880#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
 881/* IA64 stack access */
 882#define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
 883#define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
 884/* Available with KVM_CAP_VCPU_EVENTS */
 885#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
 886#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
 887/* Available with KVM_CAP_DEBUGREGS */
 888#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
 889#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
 890#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
 891/* Available with KVM_CAP_XSAVE */
 892#define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
 893#define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
 894/* Available with KVM_CAP_XCRS */
 895#define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
 896#define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
 897#define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
 898/* Available with KVM_CAP_RMA */
 899#define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
 900/* Available with KVM_CAP_SW_TLB */
 901#define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
 902/* Available with KVM_CAP_ONE_REG */
 903#define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
 904#define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
 905/* VM is being stopped by host */
 906#define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
 907
 908#define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
 909#define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
 910#define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
 911
 912struct kvm_assigned_pci_dev {
 913        __u32 assigned_dev_id;
 914        __u32 busnr;
 915        __u32 devfn;
 916        __u32 flags;
 917        __u32 segnr;
 918        union {
 919                __u32 reserved[11];
 920        };
 921};
 922
 923#define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
 924#define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
 925#define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
 926
 927#define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
 928#define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
 929#define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
 930
 931#define KVM_DEV_IRQ_HOST_MASK    0x00ff
 932#define KVM_DEV_IRQ_GUEST_MASK   0xff00
 933
 934struct kvm_assigned_irq {
 935        __u32 assigned_dev_id;
 936        __u32 host_irq; /* ignored (legacy field) */
 937        __u32 guest_irq;
 938        __u32 flags;
 939        union {
 940                __u32 reserved[12];
 941        };
 942};
 943
 944struct kvm_assigned_msix_nr {
 945        __u32 assigned_dev_id;
 946        __u16 entry_nr;
 947        __u16 padding;
 948};
 949
 950#define KVM_MAX_MSIX_PER_DEV            256
 951struct kvm_assigned_msix_entry {
 952        __u32 assigned_dev_id;
 953        __u32 gsi;
 954        __u16 entry; /* The index of entry in the MSI-X table */
 955        __u16 padding[3];
 956};
 957
 958#endif /* __LINUX_KVM_H */
 959
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