linux-headers/linux/kvm.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __LINUX_KVM_H
   3 #define __LINUX_KVM_H
   4
   5 /*
   6  * Userspace interface for /dev/kvm - kernel based virtual machine
   7  *
   8  * Note: you must update KVM_API_VERSION if you change this interface.
   9  */
  10
  11 #include <linux/types.h>
  12
  13 #include <linux/ioctl.h>
  14 #include <asm/kvm.h>
  15
  16 #define KVM_API_VERSION 12
  17
  18 /* *** Deprecated interfaces *** */
  19
  20 #define KVM_TRC_SHIFT           16
  21
  22 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
  23 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
  24
  25 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
  26 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
  27 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
  28
  29 #define KVM_TRC_HEAD_SIZE       12
  30 #define KVM_TRC_CYCLE_SIZE      8
  31 #define KVM_TRC_EXTRA_MAX       7
  32
  33 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
  34 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
  35 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
  36 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
  37 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
  38 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
  39 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
  40 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
  41 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
  42 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
  43 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
  44 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
  45 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
  46 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
  47 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
  48 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
  49 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
  50 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
  51 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
  52 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
  53 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
  54 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
  55 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
  56 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
  57
  58 struct kvm_user_trace_setup {
  59         __u32 buf_size;
  60         __u32 buf_nr;
  61 };
  62
  63 #define __KVM_DEPRECATED_MAIN_W_0x06 \
  64         _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
  65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
  66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
  67
  68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
  69
  70 struct kvm_breakpoint {
  71         __u32 enabled;
  72         __u32 padding;
  73         __u64 address;
  74 };
  75
  76 struct kvm_debug_guest {
  77         __u32 enabled;
  78         __u32 pad;
  79         struct kvm_breakpoint breakpoints[4];
  80         __u32 singlestep;
  81 };
  82
  83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
  84
  85 /* *** End of deprecated interfaces *** */
  86
  87
  88 /* for KVM_CREATE_MEMORY_REGION */
  89 struct kvm_memory_region {
  90         __u32 slot;
  91         __u32 flags;
  92         __u64 guest_phys_addr;
  93         __u64 memory_size; /* bytes */
  94 };
  95
  96 /* for KVM_SET_USER_MEMORY_REGION */
  97 struct kvm_userspace_memory_region {
  98         __u32 slot;
  99         __u32 flags;
 100         __u64 guest_phys_addr;
 101         __u64 memory_size; /* bytes */
 102         __u64 userspace_addr; /* start of the userspace allocated memory */
 103 };
 104
 105 /*
 106  * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
 107  * other bits are reserved for kvm internal use which are defined in
 108  * include/linux/kvm_host.h.
 109  */
 110 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
 111 #define KVM_MEM_READONLY        (1UL << 1)
 112
 113 /* for KVM_IRQ_LINE */
 114 struct kvm_irq_level {
 115         /*
 116          * ACPI gsi notion of irq.
 117          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
 118          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
 119          * For ARM: See Documentation/virt/kvm/api.rst
 120          */
 121         union {
 122                 __u32 irq;
 123                 __s32 status;
 124         };
 125         __u32 level;
 126 };
 127
 128
 129 struct kvm_irqchip {
 130         __u32 chip_id;
 131         __u32 pad;
 132         union {
 133                 char dummy[512];  /* reserving space */
 134 #ifdef __KVM_HAVE_PIT
 135                 struct kvm_pic_state pic;
 136 #endif
 137 #ifdef __KVM_HAVE_IOAPIC
 138                 struct kvm_ioapic_state ioapic;
 139 #endif
 140         } chip;
 141 };
 142
 143 /* for KVM_CREATE_PIT2 */
 144 struct kvm_pit_config {
 145         __u32 flags;
 146         __u32 pad[15];
 147 };
 148
 149 #define KVM_PIT_SPEAKER_DUMMY     1
 150
 151 struct kvm_s390_skeys {
 152         __u64 start_gfn;
 153         __u64 count;
 154         __u64 skeydata_addr;
 155         __u32 flags;
 156         __u32 reserved[9];
 157 };
 158
 159 #define KVM_S390_CMMA_PEEK (1 << 0)
 160
 161 /**
 162  * kvm_s390_cmma_log - Used for CMMA migration.
 163  *
 164  * Used both for input and output.
 165  *
 166  * @start_gfn: Guest page number to start from.
 167  * @count: Size of the result buffer.
 168  * @flags: Control operation mode via KVM_S390_CMMA_* flags
 169  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
 170  *             pages are still remaining.
 171  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
 172  *        in the PGSTE.
 173  * @values: Pointer to the values buffer.
 174  *
 175  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
 176  */
 177 struct kvm_s390_cmma_log {
 178         __u64 start_gfn;
 179         __u32 count;
 180         __u32 flags;
 181         union {
 182                 __u64 remaining;
 183                 __u64 mask;
 184         };
 185         __u64 values;
 186 };
 187
 188 struct kvm_hyperv_exit {
 189 #define KVM_EXIT_HYPERV_SYNIC          1
 190 #define KVM_EXIT_HYPERV_HCALL          2
 191 #define KVM_EXIT_HYPERV_SYNDBG         3
 192         __u32 type;
 193         __u32 pad1;
 194         union {
 195                 struct {
 196                         __u32 msr;
 197                         __u32 pad2;
 198                         __u64 control;
 199                         __u64 evt_page;
 200                         __u64 msg_page;
 201                 } synic;
 202                 struct {
 203                         __u64 input;
 204                         __u64 result;
 205                         __u64 params[2];
 206                 } hcall;
 207                 struct {
 208                         __u32 msr;
 209                         __u32 pad2;
 210                         __u64 control;
 211                         __u64 status;
 212                         __u64 send_page;
 213                         __u64 recv_page;
 214                         __u64 pending_page;
 215                 } syndbg;
 216         } u;
 217 };
 218
 219 #define KVM_S390_GET_SKEYS_NONE   1
 220 #define KVM_S390_SKEYS_MAX        1048576
 221
 222 #define KVM_EXIT_UNKNOWN          0
 223 #define KVM_EXIT_EXCEPTION        1
 224 #define KVM_EXIT_IO               2
 225 #define KVM_EXIT_HYPERCALL        3
 226 #define KVM_EXIT_DEBUG            4
 227 #define KVM_EXIT_HLT              5
 228 #define KVM_EXIT_MMIO             6
 229 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 230 #define KVM_EXIT_SHUTDOWN         8
 231 #define KVM_EXIT_FAIL_ENTRY       9
 232 #define KVM_EXIT_INTR             10
 233 #define KVM_EXIT_SET_TPR          11
 234 #define KVM_EXIT_TPR_ACCESS       12
 235 #define KVM_EXIT_S390_SIEIC       13
 236 #define KVM_EXIT_S390_RESET       14
 237 #define KVM_EXIT_DCR              15 /* deprecated */
 238 #define KVM_EXIT_NMI              16
 239 #define KVM_EXIT_INTERNAL_ERROR   17
 240 #define KVM_EXIT_OSI              18
 241 #define KVM_EXIT_PAPR_HCALL       19
 242 #define KVM_EXIT_S390_UCONTROL    20
 243 #define KVM_EXIT_WATCHDOG         21
 244 #define KVM_EXIT_S390_TSCH        22
 245 #define KVM_EXIT_EPR              23
 246 #define KVM_EXIT_SYSTEM_EVENT     24
 247 #define KVM_EXIT_S390_STSI        25
 248 #define KVM_EXIT_IOAPIC_EOI       26
 249 #define KVM_EXIT_HYPERV           27
 250 #define KVM_EXIT_ARM_NISV         28
 251 #define KVM_EXIT_X86_RDMSR        29
 252 #define KVM_EXIT_X86_WRMSR        30
 253 #define KVM_EXIT_DIRTY_RING_FULL  31
 254
 255 /* For KVM_EXIT_INTERNAL_ERROR */
 256 /* Emulate instruction failed. */
 257 #define KVM_INTERNAL_ERROR_EMULATION    1
 258 /* Encounter unexpected simultaneous exceptions. */
 259 #define KVM_INTERNAL_ERROR_SIMUL_EX     2
 260 /* Encounter unexpected vm-exit due to delivery event. */
 261 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 262 /* Encounter unexpected vm-exit reason */
 263 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON       4
 264
 265 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 266 struct kvm_run {
 267         /* in */
 268         __u8 request_interrupt_window;
 269         __u8 immediate_exit;
 270         __u8 padding1[6];
 271
 272         /* out */
 273         __u32 exit_reason;
 274         __u8 ready_for_interrupt_injection;
 275         __u8 if_flag;
 276         __u16 flags;
 277
 278         /* in (pre_kvm_run), out (post_kvm_run) */
 279         __u64 cr8;
 280         __u64 apic_base;
 281
 282 #ifdef __KVM_S390
 283         /* the processor status word for s390 */
 284         __u64 psw_mask; /* psw upper half */
 285         __u64 psw_addr; /* psw lower half */
 286 #endif
 287         union {
 288                 /* KVM_EXIT_UNKNOWN */
 289                 struct {
 290                         __u64 hardware_exit_reason;
 291                 } hw;
 292                 /* KVM_EXIT_FAIL_ENTRY */
 293                 struct {
 294                         __u64 hardware_entry_failure_reason;
 295                         __u32 cpu;
 296                 } fail_entry;
 297                 /* KVM_EXIT_EXCEPTION */
 298                 struct {
 299                         __u32 exception;
 300                         __u32 error_code;
 301                 } ex;
 302                 /* KVM_EXIT_IO */
 303                 struct {
 304 #define KVM_EXIT_IO_IN  0
 305 #define KVM_EXIT_IO_OUT 1
 306                         __u8 direction;
 307                         __u8 size; /* bytes */
 308                         __u16 port;
 309                         __u32 count;
 310                         __u64 data_offset; /* relative to kvm_run start */
 311                 } io;
 312                 /* KVM_EXIT_DEBUG */
 313                 struct {
 314                         struct kvm_debug_exit_arch arch;
 315                 } debug;
 316                 /* KVM_EXIT_MMIO */
 317                 struct {
 318                         __u64 phys_addr;
 319                         __u8  data[8];
 320                         __u32 len;
 321                         __u8  is_write;
 322                 } mmio;
 323                 /* KVM_EXIT_HYPERCALL */
 324                 struct {
 325                         __u64 nr;
 326                         __u64 args[6];
 327                         __u64 ret;
 328                         __u32 longmode;
 329                         __u32 pad;
 330                 } hypercall;
 331                 /* KVM_EXIT_TPR_ACCESS */
 332                 struct {
 333                         __u64 rip;
 334                         __u32 is_write;
 335                         __u32 pad;
 336                 } tpr_access;
 337                 /* KVM_EXIT_S390_SIEIC */
 338                 struct {
 339                         __u8 icptcode;
 340                         __u16 ipa;
 341                         __u32 ipb;
 342                 } s390_sieic;
 343                 /* KVM_EXIT_S390_RESET */
 344 #define KVM_S390_RESET_POR       1
 345 #define KVM_S390_RESET_CLEAR     2
 346 #define KVM_S390_RESET_SUBSYSTEM 4
 347 #define KVM_S390_RESET_CPU_INIT  8
 348 #define KVM_S390_RESET_IPL       16
 349                 __u64 s390_reset_flags;
 350                 /* KVM_EXIT_S390_UCONTROL */
 351                 struct {
 352                         __u64 trans_exc_code;
 353                         __u32 pgm_code;
 354                 } s390_ucontrol;
 355                 /* KVM_EXIT_DCR (deprecated) */
 356                 struct {
 357                         __u32 dcrn;
 358                         __u32 data;
 359                         __u8  is_write;
 360                 } dcr;
 361                 /* KVM_EXIT_INTERNAL_ERROR */
 362                 struct {
 363                         __u32 suberror;
 364                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 365                         __u32 ndata;
 366                         __u64 data[16];
 367                 } internal;
 368                 /* KVM_EXIT_OSI */
 369                 struct {
 370                         __u64 gprs[32];
 371                 } osi;
 372                 /* KVM_EXIT_PAPR_HCALL */
 373                 struct {
 374                         __u64 nr;
 375                         __u64 ret;
 376                         __u64 args[9];
 377                 } papr_hcall;
 378                 /* KVM_EXIT_S390_TSCH */
 379                 struct {
 380                         __u16 subchannel_id;
 381                         __u16 subchannel_nr;
 382                         __u32 io_int_parm;
 383                         __u32 io_int_word;
 384                         __u32 ipb;
 385                         __u8 dequeued;
 386                 } s390_tsch;
 387                 /* KVM_EXIT_EPR */
 388                 struct {
 389                         __u32 epr;
 390                 } epr;
 391                 /* KVM_EXIT_SYSTEM_EVENT */
 392                 struct {
 393 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
 394 #define KVM_SYSTEM_EVENT_RESET          2
 395 #define KVM_SYSTEM_EVENT_CRASH          3
 396                         __u32 type;
 397                         __u64 flags;
 398                 } system_event;
 399                 /* KVM_EXIT_S390_STSI */
 400                 struct {
 401                         __u64 addr;
 402                         __u8 ar;
 403                         __u8 reserved;
 404                         __u8 fc;
 405                         __u8 sel1;
 406                         __u16 sel2;
 407                 } s390_stsi;
 408                 /* KVM_EXIT_IOAPIC_EOI */
 409                 struct {
 410                         __u8 vector;
 411                 } eoi;
 412                 /* KVM_EXIT_HYPERV */
 413                 struct kvm_hyperv_exit hyperv;
 414                 /* KVM_EXIT_ARM_NISV */
 415                 struct {
 416                         __u64 esr_iss;
 417                         __u64 fault_ipa;
 418                 } arm_nisv;
 419                 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
 420                 struct {
 421                         __u8 error; /* user -> kernel */
 422                         __u8 pad[7];
 423 #define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
 424 #define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
 425 #define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
 426                         __u32 reason; /* kernel -> user */
 427                         __u32 index; /* kernel -> user */
 428                         __u64 data; /* kernel <-> user */
 429                 } msr;
 430                 /* Fix the size of the union. */
 431                 char padding[256];
 432         };
 433
 434         /* 2048 is the size of the char array used to bound/pad the size
 435          * of the union that holds sync regs.
 436          */
 437         #define SYNC_REGS_SIZE_BYTES 2048
 438         /*
 439          * shared registers between kvm and userspace.
 440          * kvm_valid_regs specifies the register classes set by the host
 441          * kvm_dirty_regs specified the register classes dirtied by userspace
 442          * struct kvm_sync_regs is architecture specific, as well as the
 443          * bits for kvm_valid_regs and kvm_dirty_regs
 444          */
 445         __u64 kvm_valid_regs;
 446         __u64 kvm_dirty_regs;
 447         union {
 448                 struct kvm_sync_regs regs;
 449                 char padding[SYNC_REGS_SIZE_BYTES];
 450         } s;
 451 };
 452
 453 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 454
 455 struct kvm_coalesced_mmio_zone {
 456         __u64 addr;
 457         __u32 size;
 458         union {
 459                 __u32 pad;
 460                 __u32 pio;
 461         };
 462 };
 463
 464 struct kvm_coalesced_mmio {
 465         __u64 phys_addr;
 466         __u32 len;
 467         union {
 468                 __u32 pad;
 469                 __u32 pio;
 470         };
 471         __u8  data[8];
 472 };
 473
 474 struct kvm_coalesced_mmio_ring {
 475         __u32 first, last;
 476         struct kvm_coalesced_mmio coalesced_mmio[0];
 477 };
 478
 479 #define KVM_COALESCED_MMIO_MAX \
 480         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 481          sizeof(struct kvm_coalesced_mmio))
 482
 483 /* for KVM_TRANSLATE */
 484 struct kvm_translation {
 485         /* in */
 486         __u64 linear_address;
 487
 488         /* out */
 489         __u64 physical_address;
 490         __u8  valid;
 491         __u8  writeable;
 492         __u8  usermode;
 493         __u8  pad[5];
 494 };
 495
 496 /* for KVM_S390_MEM_OP */
 497 struct kvm_s390_mem_op {
 498         /* in */
 499         __u64 gaddr;            /* the guest address */
 500         __u64 flags;            /* flags */
 501         __u32 size;             /* amount of bytes */
 502         __u32 op;               /* type of operation */
 503         __u64 buf;              /* buffer in userspace */
 504         union {
 505                 __u8 ar;        /* the access register number */
 506                 __u32 sida_offset; /* offset into the sida */
 507                 __u8 reserved[32]; /* should be set to 0 */
 508         };
 509 };
 510 /* types for kvm_s390_mem_op->op */
 511 #define KVM_S390_MEMOP_LOGICAL_READ     0
 512 #define KVM_S390_MEMOP_LOGICAL_WRITE    1
 513 #define KVM_S390_MEMOP_SIDA_READ        2
 514 #define KVM_S390_MEMOP_SIDA_WRITE       3
 515 /* flags for kvm_s390_mem_op->flags */
 516 #define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
 517 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
 518
 519 /* for KVM_INTERRUPT */
 520 struct kvm_interrupt {
 521         /* in */
 522         __u32 irq;
 523 };
 524
 525 /* for KVM_GET_DIRTY_LOG */
 526 struct kvm_dirty_log {
 527         __u32 slot;
 528         __u32 padding1;
 529         union {
 530                 void *dirty_bitmap; /* one bit per page */
 531                 __u64 padding2;
 532         };
 533 };
 534
 535 /* for KVM_CLEAR_DIRTY_LOG */
 536 struct kvm_clear_dirty_log {
 537         __u32 slot;
 538         __u32 num_pages;
 539         __u64 first_page;
 540         union {
 541                 void *dirty_bitmap; /* one bit per page */
 542                 __u64 padding2;
 543         };
 544 };
 545
 546 /* for KVM_SET_SIGNAL_MASK */
 547 struct kvm_signal_mask {
 548         __u32 len;
 549         __u8  sigset[0];
 550 };
 551
 552 /* for KVM_TPR_ACCESS_REPORTING */
 553 struct kvm_tpr_access_ctl {
 554         __u32 enabled;
 555         __u32 flags;
 556         __u32 reserved[8];
 557 };
 558
 559 /* for KVM_SET_VAPIC_ADDR */
 560 struct kvm_vapic_addr {
 561         __u64 vapic_addr;
 562 };
 563
 564 /* for KVM_SET_MP_STATE */
 565
 566 /* not all states are valid on all architectures */
 567 #define KVM_MP_STATE_RUNNABLE          0
 568 #define KVM_MP_STATE_UNINITIALIZED     1
 569 #define KVM_MP_STATE_INIT_RECEIVED     2
 570 #define KVM_MP_STATE_HALTED            3
 571 #define KVM_MP_STATE_SIPI_RECEIVED     4
 572 #define KVM_MP_STATE_STOPPED           5
 573 #define KVM_MP_STATE_CHECK_STOP        6
 574 #define KVM_MP_STATE_OPERATING         7
 575 #define KVM_MP_STATE_LOAD              8
 576
 577 struct kvm_mp_state {
 578         __u32 mp_state;
 579 };
 580
 581 struct kvm_s390_psw {
 582         __u64 mask;
 583         __u64 addr;
 584 };
 585
 586 /* valid values for type in kvm_s390_interrupt */
 587 #define KVM_S390_SIGP_STOP              0xfffe0000u
 588 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 589 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 590 #define KVM_S390_RESTART                0xfffe0003u
 591 #define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 592 #define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 593 #define KVM_S390_MCHK                   0xfffe1000u
 594 #define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 595 #define KVM_S390_INT_CPU_TIMER          0xffff1005u
 596 #define KVM_S390_INT_VIRTIO             0xffff2603u
 597 #define KVM_S390_INT_SERVICE            0xffff2401u
 598 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 599 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 600 /* Anything below 0xfffe0000u is taken by INT_IO */
 601 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 602         (((schid)) |                           \
 603          ((ssid) << 16) |                      \
 604          ((cssid) << 18) |                     \
 605          ((ai) << 26))
 606 #define KVM_S390_INT_IO_MIN             0x00000000u
 607 #define KVM_S390_INT_IO_MAX             0xfffdffffu
 608 #define KVM_S390_INT_IO_AI_MASK         0x04000000u
 609
 610
 611 struct kvm_s390_interrupt {
 612         __u32 type;
 613         __u32 parm;
 614         __u64 parm64;
 615 };
 616
 617 struct kvm_s390_io_info {
 618         __u16 subchannel_id;
 619         __u16 subchannel_nr;
 620         __u32 io_int_parm;
 621         __u32 io_int_word;
 622 };
 623
 624 struct kvm_s390_ext_info {
 625         __u32 ext_params;
 626         __u32 pad;
 627         __u64 ext_params2;
 628 };
 629
 630 struct kvm_s390_pgm_info {
 631         __u64 trans_exc_code;
 632         __u64 mon_code;
 633         __u64 per_address;
 634         __u32 data_exc_code;
 635         __u16 code;
 636         __u16 mon_class_nr;
 637         __u8 per_code;
 638         __u8 per_atmid;
 639         __u8 exc_access_id;
 640         __u8 per_access_id;
 641         __u8 op_access_id;
 642 #define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 643 #define KVM_S390_PGM_FLAGS_ILC_0        0x02
 644 #define KVM_S390_PGM_FLAGS_ILC_1        0x04
 645 #define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 646 #define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 647         __u8 flags;
 648         __u8 pad[2];
 649 };
 650
 651 struct kvm_s390_prefix_info {
 652         __u32 address;
 653 };
 654
 655 struct kvm_s390_extcall_info {
 656         __u16 code;
 657 };
 658
 659 struct kvm_s390_emerg_info {
 660         __u16 code;
 661 };
 662
 663 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 664 struct kvm_s390_stop_info {
 665         __u32 flags;
 666 };
 667
 668 struct kvm_s390_mchk_info {
 669         __u64 cr14;
 670         __u64 mcic;
 671         __u64 failing_storage_address;
 672         __u32 ext_damage_code;
 673         __u32 pad;
 674         __u8 fixed_logout[16];
 675 };
 676
 677 struct kvm_s390_irq {
 678         __u64 type;
 679         union {
 680                 struct kvm_s390_io_info io;
 681                 struct kvm_s390_ext_info ext;
 682                 struct kvm_s390_pgm_info pgm;
 683                 struct kvm_s390_emerg_info emerg;
 684                 struct kvm_s390_extcall_info extcall;
 685                 struct kvm_s390_prefix_info prefix;
 686                 struct kvm_s390_stop_info stop;
 687                 struct kvm_s390_mchk_info mchk;
 688                 char reserved[64];
 689         } u;
 690 };
 691
 692 struct kvm_s390_irq_state {
 693         __u64 buf;
 694         __u32 flags;        /* will stay unused for compatibility reasons */
 695         __u32 len;
 696         __u32 reserved[4];  /* will stay unused for compatibility reasons */
 697 };
 698
 699 /* for KVM_SET_GUEST_DEBUG */
 700
 701 #define KVM_GUESTDBG_ENABLE             0x00000001
 702 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 703
 704 struct kvm_guest_debug {
 705         __u32 control;
 706         __u32 pad;
 707         struct kvm_guest_debug_arch arch;
 708 };
 709
 710 enum {
 711         kvm_ioeventfd_flag_nr_datamatch,
 712         kvm_ioeventfd_flag_nr_pio,
 713         kvm_ioeventfd_flag_nr_deassign,
 714         kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 715         kvm_ioeventfd_flag_nr_fast_mmio,
 716         kvm_ioeventfd_flag_nr_max,
 717 };
 718
 719 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 720 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 721 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 722 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 723         (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 724
 725 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 726
 727 struct kvm_ioeventfd {
 728         __u64 datamatch;
 729         __u64 addr;        /* legal pio/mmio address */
 730         __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 731         __s32 fd;
 732         __u32 flags;
 733         __u8  pad[36];
 734 };
 735
 736 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
 737 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
 738 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
 739 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
 740 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
 741                                               KVM_X86_DISABLE_EXITS_HLT | \
 742                                               KVM_X86_DISABLE_EXITS_PAUSE | \
 743                                               KVM_X86_DISABLE_EXITS_CSTATE)
 744
 745 /* for KVM_ENABLE_CAP */
 746 struct kvm_enable_cap {
 747         /* in */
 748         __u32 cap;
 749         __u32 flags;
 750         __u64 args[4];
 751         __u8  pad[64];
 752 };
 753
 754 /* for KVM_PPC_GET_PVINFO */
 755
 756 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 757
 758 struct kvm_ppc_pvinfo {
 759         /* out */
 760         __u32 flags;
 761         __u32 hcall[4];
 762         __u8  pad[108];
 763 };
 764
 765 /* for KVM_PPC_GET_SMMU_INFO */
 766 #define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 767
 768 struct kvm_ppc_one_page_size {
 769         __u32 page_shift;       /* Page shift (or 0) */
 770         __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 771 };
 772
 773 struct kvm_ppc_one_seg_page_size {
 774         __u32 page_shift;       /* Base page shift of segment (or 0) */
 775         __u32 slb_enc;          /* SLB encoding for BookS */
 776         struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 777 };
 778
 779 #define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 780 #define KVM_PPC_1T_SEGMENTS             0x00000002
 781 #define KVM_PPC_NO_HASH                 0x00000004
 782
 783 struct kvm_ppc_smmu_info {
 784         __u64 flags;
 785         __u32 slb_size;
 786         __u16 data_keys;        /* # storage keys supported for data */
 787         __u16 instr_keys;       /* # storage keys supported for instructions */
 788         struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 789 };
 790
 791 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
 792 struct kvm_ppc_resize_hpt {
 793         __u64 flags;
 794         __u32 shift;
 795         __u32 pad;
 796 };
 797
 798 #define KVMIO 0xAE
 799
 800 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 801 #define KVM_VM_S390_UCONTROL    1
 802
 803 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 804 #define KVM_VM_PPC_HV 1
 805 #define KVM_VM_PPC_PR 2
 806
 807 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
 808 #define KVM_VM_MIPS_AUTO        0
 809 #define KVM_VM_MIPS_VZ          1
 810 #define KVM_VM_MIPS_TE          2
 811
 812 #define KVM_S390_SIE_PAGE_OFFSET 1
 813
 814 /*
 815  * On arm64, machine type can be used to request the physical
 816  * address size for the VM. Bits[7-0] are reserved for the guest
 817  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 818  * value 0 implies the default IPA size, 40bits.
 819  */
 820 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
 821 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
 822         ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 823 /*
 824  * ioctls for /dev/kvm fds:
 825  */
 826 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 827 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 828 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 829
 830 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 831 /*
 832  * Check if a kvm extension is available.  Argument is extension number,
 833  * return is 1 (yes) or 0 (no, sorry).
 834  */
 835 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 836 /*
 837  * Get size for mmap(vcpu_fd)
 838  */
 839 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 840 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 841 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 842 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 843 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 844 #define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 845 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 846
 847 /*
 848  * Extension capability list.
 849  */
 850 #define KVM_CAP_IRQCHIP   0
 851 #define KVM_CAP_HLT       1
 852 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 853 #define KVM_CAP_USER_MEMORY 3
 854 #define KVM_CAP_SET_TSS_ADDR 4
 855 #define KVM_CAP_VAPIC 6
 856 #define KVM_CAP_EXT_CPUID 7
 857 #define KVM_CAP_CLOCKSOURCE 8
 858 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 859 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 860 #define KVM_CAP_PIT 11
 861 #define KVM_CAP_NOP_IO_DELAY 12
 862 #define KVM_CAP_PV_MMU 13
 863 #define KVM_CAP_MP_STATE 14
 864 #define KVM_CAP_COALESCED_MMIO 15
 865 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 866 #define KVM_CAP_IOMMU 18
 867 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 868 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 869 #define KVM_CAP_USER_NMI 22
 870 #ifdef __KVM_HAVE_GUEST_DEBUG
 871 #define KVM_CAP_SET_GUEST_DEBUG 23
 872 #endif
 873 #ifdef __KVM_HAVE_PIT
 874 #define KVM_CAP_REINJECT_CONTROL 24
 875 #endif
 876 #define KVM_CAP_IRQ_ROUTING 25
 877 #define KVM_CAP_IRQ_INJECT_STATUS 26
 878 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 879 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 880 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 881 #ifdef __KVM_HAVE_MCE
 882 #define KVM_CAP_MCE 31
 883 #endif
 884 #define KVM_CAP_IRQFD 32
 885 #ifdef __KVM_HAVE_PIT
 886 #define KVM_CAP_PIT2 33
 887 #endif
 888 #define KVM_CAP_SET_BOOT_CPU_ID 34
 889 #ifdef __KVM_HAVE_PIT_STATE2
 890 #define KVM_CAP_PIT_STATE2 35
 891 #endif
 892 #define KVM_CAP_IOEVENTFD 36
 893 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 894 #ifdef __KVM_HAVE_XEN_HVM
 895 #define KVM_CAP_XEN_HVM 38
 896 #endif
 897 #define KVM_CAP_ADJUST_CLOCK 39
 898 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 899 #ifdef __KVM_HAVE_VCPU_EVENTS
 900 #define KVM_CAP_VCPU_EVENTS 41
 901 #endif
 902 #define KVM_CAP_S390_PSW 42
 903 #define KVM_CAP_PPC_SEGSTATE 43
 904 #define KVM_CAP_HYPERV 44
 905 #define KVM_CAP_HYPERV_VAPIC 45
 906 #define KVM_CAP_HYPERV_SPIN 46
 907 #define KVM_CAP_PCI_SEGMENT 47
 908 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 909 #define KVM_CAP_INTR_SHADOW 49
 910 #ifdef __KVM_HAVE_DEBUGREGS
 911 #define KVM_CAP_DEBUGREGS 50
 912 #endif
 913 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 914 #define KVM_CAP_PPC_OSI 52
 915 #define KVM_CAP_PPC_UNSET_IRQ 53
 916 #define KVM_CAP_ENABLE_CAP 54
 917 #ifdef __KVM_HAVE_XSAVE
 918 #define KVM_CAP_XSAVE 55
 919 #endif
 920 #ifdef __KVM_HAVE_XCRS
 921 #define KVM_CAP_XCRS 56
 922 #endif
 923 #define KVM_CAP_PPC_GET_PVINFO 57
 924 #define KVM_CAP_PPC_IRQ_LEVEL 58
 925 #define KVM_CAP_ASYNC_PF 59
 926 #define KVM_CAP_TSC_CONTROL 60
 927 #define KVM_CAP_GET_TSC_KHZ 61
 928 #define KVM_CAP_PPC_BOOKE_SREGS 62
 929 #define KVM_CAP_SPAPR_TCE 63
 930 #define KVM_CAP_PPC_SMT 64
 931 #define KVM_CAP_PPC_RMA 65
 932 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 933 #define KVM_CAP_PPC_HIOR 67
 934 #define KVM_CAP_PPC_PAPR 68
 935 #define KVM_CAP_SW_TLB 69
 936 #define KVM_CAP_ONE_REG 70
 937 #define KVM_CAP_S390_GMAP 71
 938 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 939 #define KVM_CAP_S390_UCONTROL 73
 940 #define KVM_CAP_SYNC_REGS 74
 941 #define KVM_CAP_PCI_2_3 75
 942 #define KVM_CAP_KVMCLOCK_CTRL 76
 943 #define KVM_CAP_SIGNAL_MSI 77
 944 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 945 #define KVM_CAP_S390_COW 79
 946 #define KVM_CAP_PPC_ALLOC_HTAB 80
 947 #define KVM_CAP_READONLY_MEM 81
 948 #define KVM_CAP_IRQFD_RESAMPLE 82
 949 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
 950 #define KVM_CAP_PPC_HTAB_FD 84
 951 #define KVM_CAP_S390_CSS_SUPPORT 85
 952 #define KVM_CAP_PPC_EPR 86
 953 #define KVM_CAP_ARM_PSCI 87
 954 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
 955 #define KVM_CAP_DEVICE_CTRL 89
 956 #define KVM_CAP_IRQ_MPIC 90
 957 #define KVM_CAP_PPC_RTAS 91
 958 #define KVM_CAP_IRQ_XICS 92
 959 #define KVM_CAP_ARM_EL1_32BIT 93
 960 #define KVM_CAP_SPAPR_MULTITCE 94
 961 #define KVM_CAP_EXT_EMUL_CPUID 95
 962 #define KVM_CAP_HYPERV_TIME 96
 963 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
 964 #define KVM_CAP_ENABLE_CAP_VM 98
 965 #define KVM_CAP_S390_IRQCHIP 99
 966 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
 967 #define KVM_CAP_VM_ATTRIBUTES 101
 968 #define KVM_CAP_ARM_PSCI_0_2 102
 969 #define KVM_CAP_PPC_FIXUP_HCALL 103
 970 #define KVM_CAP_PPC_ENABLE_HCALL 104
 971 #define KVM_CAP_CHECK_EXTENSION_VM 105
 972 #define KVM_CAP_S390_USER_SIGP 106
 973 #define KVM_CAP_S390_VECTOR_REGISTERS 107
 974 #define KVM_CAP_S390_MEM_OP 108
 975 #define KVM_CAP_S390_USER_STSI 109
 976 #define KVM_CAP_S390_SKEYS 110
 977 #define KVM_CAP_MIPS_FPU 111
 978 #define KVM_CAP_MIPS_MSA 112
 979 #define KVM_CAP_S390_INJECT_IRQ 113
 980 #define KVM_CAP_S390_IRQ_STATE 114
 981 #define KVM_CAP_PPC_HWRNG 115
 982 #define KVM_CAP_DISABLE_QUIRKS 116
 983 #define KVM_CAP_X86_SMM 117
 984 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
 985 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
 986 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
 987 #define KVM_CAP_SPLIT_IRQCHIP 121
 988 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
 989 #define KVM_CAP_HYPERV_SYNIC 123
 990 #define KVM_CAP_S390_RI 124
 991 #define KVM_CAP_SPAPR_TCE_64 125
 992 #define KVM_CAP_ARM_PMU_V3 126
 993 #define KVM_CAP_VCPU_ATTRIBUTES 127
 994 #define KVM_CAP_MAX_VCPU_ID 128
 995 #define KVM_CAP_X2APIC_API 129
 996 #define KVM_CAP_S390_USER_INSTR0 130
 997 #define KVM_CAP_MSI_DEVID 131
 998 #define KVM_CAP_PPC_HTM 132
 999 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1000 #define KVM_CAP_PPC_MMU_RADIX 134
1001 #define KVM_CAP_PPC_MMU_HASH_V3 135
1002 #define KVM_CAP_IMMEDIATE_EXIT 136
1003 #define KVM_CAP_MIPS_VZ 137
1004 #define KVM_CAP_MIPS_TE 138
1005 #define KVM_CAP_MIPS_64BIT 139
1006 #define KVM_CAP_S390_GS 140
1007 #define KVM_CAP_S390_AIS 141
1008 #define KVM_CAP_SPAPR_TCE_VFIO 142
1009 #define KVM_CAP_X86_DISABLE_EXITS 143
1010 #define KVM_CAP_ARM_USER_IRQ 144
1011 #define KVM_CAP_S390_CMMA_MIGRATION 145
1012 #define KVM_CAP_PPC_FWNMI 146
1013 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1014 #define KVM_CAP_HYPERV_SYNIC2 148
1015 #define KVM_CAP_HYPERV_VP_INDEX 149
1016 #define KVM_CAP_S390_AIS_MIGRATION 150
1017 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1018 #define KVM_CAP_S390_BPB 152
1019 #define KVM_CAP_GET_MSR_FEATURES 153
1020 #define KVM_CAP_HYPERV_EVENTFD 154
1021 #define KVM_CAP_HYPERV_TLBFLUSH 155
1022 #define KVM_CAP_S390_HPAGE_1M 156
1023 #define KVM_CAP_NESTED_STATE 157
1024 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1025 #define KVM_CAP_MSR_PLATFORM_INFO 159
1026 #define KVM_CAP_PPC_NESTED_HV 160
1027 #define KVM_CAP_HYPERV_SEND_IPI 161
1028 #define KVM_CAP_COALESCED_PIO 162
1029 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1030 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1031 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1032 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1033 #define KVM_CAP_HYPERV_CPUID 167
1034 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1035 #define KVM_CAP_PPC_IRQ_XIVE 169
1036 #define KVM_CAP_ARM_SVE 170
1037 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1038 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1039 #define KVM_CAP_PMU_EVENT_FILTER 173
1040 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1041 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1042 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1043 #define KVM_CAP_ARM_NISV_TO_USER 177
1044 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1045 #define KVM_CAP_S390_VCPU_RESETS 179
1046 #define KVM_CAP_S390_PROTECTED 180
1047 #define KVM_CAP_PPC_SECURE_GUEST 181
1048 #define KVM_CAP_HALT_POLL 182
1049 #define KVM_CAP_ASYNC_PF_INT 183
1050 #define KVM_CAP_LAST_CPU 184
1051 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1052 #define KVM_CAP_S390_DIAG318 186
1053 #define KVM_CAP_STEAL_TIME 187
1054 #define KVM_CAP_X86_USER_SPACE_MSR 188
1055 #define KVM_CAP_X86_MSR_FILTER 189
1056 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1057 #define KVM_CAP_SYS_HYPERV_CPUID 191
1058 #define KVM_CAP_DIRTY_LOG_RING 192
1059
1060 #ifdef KVM_CAP_IRQ_ROUTING
1061
1062 struct kvm_irq_routing_irqchip {
1063         __u32 irqchip;
1064         __u32 pin;
1065 };
1066
1067 struct kvm_irq_routing_msi {
1068         __u32 address_lo;
1069         __u32 address_hi;
1070         __u32 data;
1071         union {
1072                 __u32 pad;
1073                 __u32 devid;
1074         };
1075 };
1076
1077 struct kvm_irq_routing_s390_adapter {
1078         __u64 ind_addr;
1079         __u64 summary_addr;
1080         __u64 ind_offset;
1081         __u32 summary_offset;
1082         __u32 adapter_id;
1083 };
1084
1085 struct kvm_irq_routing_hv_sint {
1086         __u32 vcpu;
1087         __u32 sint;
1088 };
1089
1090 /* gsi routing entry types */
1091 #define KVM_IRQ_ROUTING_IRQCHIP 1
1092 #define KVM_IRQ_ROUTING_MSI 2
1093 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1094 #define KVM_IRQ_ROUTING_HV_SINT 4
1095
1096 struct kvm_irq_routing_entry {
1097         __u32 gsi;
1098         __u32 type;
1099         __u32 flags;
1100         __u32 pad;
1101         union {
1102                 struct kvm_irq_routing_irqchip irqchip;
1103                 struct kvm_irq_routing_msi msi;
1104                 struct kvm_irq_routing_s390_adapter adapter;
1105                 struct kvm_irq_routing_hv_sint hv_sint;
1106                 __u32 pad[8];
1107         } u;
1108 };
1109
1110 struct kvm_irq_routing {
1111         __u32 nr;
1112         __u32 flags;
1113         struct kvm_irq_routing_entry entries[0];
1114 };
1115
1116 #endif
1117
1118 #ifdef KVM_CAP_MCE
1119 /* x86 MCE */
1120 struct kvm_x86_mce {
1121         __u64 status;
1122         __u64 addr;
1123         __u64 misc;
1124         __u64 mcg_status;
1125         __u8 bank;
1126         __u8 pad1[7];
1127         __u64 pad2[3];
1128 };
1129 #endif
1130
1131 #ifdef KVM_CAP_XEN_HVM
1132 struct kvm_xen_hvm_config {
1133         __u32 flags;
1134         __u32 msr;
1135         __u64 blob_addr_32;
1136         __u64 blob_addr_64;
1137         __u8 blob_size_32;
1138         __u8 blob_size_64;
1139         __u8 pad2[30];
1140 };
1141 #endif
1142
1143 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1144 /*
1145  * Available with KVM_CAP_IRQFD_RESAMPLE
1146  *
1147  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1148  * the irqfd to operate in resampling mode for level triggered interrupt
1149  * emulation.  See Documentation/virt/kvm/api.rst.
1150  */
1151 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1152
1153 struct kvm_irqfd {
1154         __u32 fd;
1155         __u32 gsi;
1156         __u32 flags;
1157         __u32 resamplefd;
1158         __u8  pad[16];
1159 };
1160
1161 /* For KVM_CAP_ADJUST_CLOCK */
1162
1163 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1164 #define KVM_CLOCK_TSC_STABLE            2
1165
1166 struct kvm_clock_data {
1167         __u64 clock;
1168         __u32 flags;
1169         __u32 pad[9];
1170 };
1171
1172 /* For KVM_CAP_SW_TLB */
1173
1174 #define KVM_MMU_FSL_BOOKE_NOHV          0
1175 #define KVM_MMU_FSL_BOOKE_HV            1
1176
1177 struct kvm_config_tlb {
1178         __u64 params;
1179         __u64 array;
1180         __u32 mmu_type;
1181         __u32 array_len;
1182 };
1183
1184 struct kvm_dirty_tlb {
1185         __u64 bitmap;
1186         __u32 num_dirty;
1187 };
1188
1189 /* Available with KVM_CAP_ONE_REG */
1190
1191 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1192 #define KVM_REG_GENERIC         0x0000000000000000ULL
1193
1194 /*
1195  * Architecture specific registers are to be defined in arch headers and
1196  * ORed with the arch identifier.
1197  */
1198 #define KVM_REG_PPC             0x1000000000000000ULL
1199 #define KVM_REG_X86             0x2000000000000000ULL
1200 #define KVM_REG_IA64            0x3000000000000000ULL
1201 #define KVM_REG_ARM             0x4000000000000000ULL
1202 #define KVM_REG_S390            0x5000000000000000ULL
1203 #define KVM_REG_ARM64           0x6000000000000000ULL
1204 #define KVM_REG_MIPS            0x7000000000000000ULL
1205 #define KVM_REG_RISCV           0x8000000000000000ULL
1206
1207 #define KVM_REG_SIZE_SHIFT      52
1208 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1209 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
1210 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
1211 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
1212 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
1213 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
1214 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
1215 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
1216 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1217 #define KVM_REG_SIZE_U2048      0x0080000000000000ULL
1218
1219 struct kvm_reg_list {
1220         __u64 n; /* number of regs */
1221         __u64 reg[0];
1222 };
1223
1224 struct kvm_one_reg {
1225         __u64 id;
1226         __u64 addr;
1227 };
1228
1229 #define KVM_MSI_VALID_DEVID     (1U << 0)
1230 struct kvm_msi {
1231         __u32 address_lo;
1232         __u32 address_hi;
1233         __u32 data;
1234         __u32 flags;
1235         __u32 devid;
1236         __u8  pad[12];
1237 };
1238
1239 struct kvm_arm_device_addr {
1240         __u64 id;
1241         __u64 addr;
1242 };
1243
1244 /*
1245  * Device control API, available with KVM_CAP_DEVICE_CTRL
1246  */
1247 #define KVM_CREATE_DEVICE_TEST          1
1248
1249 struct kvm_create_device {
1250         __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1251         __u32   fd;     /* out: device handle */
1252         __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1253 };
1254
1255 struct kvm_device_attr {
1256         __u32   flags;          /* no flags currently defined */
1257         __u32   group;          /* device-defined */
1258         __u64   attr;           /* group-defined */
1259         __u64   addr;           /* userspace address of attr data */
1260 };
1261
1262 #define  KVM_DEV_VFIO_GROUP                     1
1263 #define   KVM_DEV_VFIO_GROUP_ADD                        1
1264 #define   KVM_DEV_VFIO_GROUP_DEL                        2
1265 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1266
1267 enum kvm_device_type {
1268         KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1269 #define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1270         KVM_DEV_TYPE_FSL_MPIC_42,
1271 #define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1272         KVM_DEV_TYPE_XICS,
1273 #define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1274         KVM_DEV_TYPE_VFIO,
1275 #define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1276         KVM_DEV_TYPE_ARM_VGIC_V2,
1277 #define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1278         KVM_DEV_TYPE_FLIC,
1279 #define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1280         KVM_DEV_TYPE_ARM_VGIC_V3,
1281 #define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1282         KVM_DEV_TYPE_ARM_VGIC_ITS,
1283 #define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1284         KVM_DEV_TYPE_XIVE,
1285 #define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
1286         KVM_DEV_TYPE_ARM_PV_TIME,
1287 #define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
1288         KVM_DEV_TYPE_MAX,
1289 };
1290
1291 struct kvm_vfio_spapr_tce {
1292         __s32   groupfd;
1293         __s32   tablefd;
1294 };
1295
1296 /*
1297  * ioctls for VM fds
1298  */
1299 #define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
1300 /*
1301  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1302  * a vcpu fd.
1303  */
1304 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1305 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1306 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1307 #define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
1308 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1309 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
1310 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1311                                         struct kvm_userspace_memory_region)
1312 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1313 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1314
1315 /* enable ucontrol for s390 */
1316 struct kvm_s390_ucas_mapping {
1317         __u64 user_addr;
1318         __u64 vcpu_addr;
1319         __u64 length;
1320 };
1321 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1322 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1323 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1324
1325 /* Device model IOC */
1326 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1327 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1328 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1329 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1330 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1331 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1332 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1333 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1334 #define KVM_REGISTER_COALESCED_MMIO \
1335                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1336 #define KVM_UNREGISTER_COALESCED_MMIO \
1337                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1338 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1339                                        struct kvm_assigned_pci_dev)
1340 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1341 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1342 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1343 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1344 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1345 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1346                                        struct kvm_assigned_pci_dev)
1347 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1348                                        struct kvm_assigned_msix_nr)
1349 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1350                                        struct kvm_assigned_msix_entry)
1351 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1352 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1353 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1354 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1355 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1356 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1357 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1358 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1359 /* Available with KVM_CAP_PIT_STATE2 */
1360 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1361 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1362 /* Available with KVM_CAP_PPC_GET_PVINFO */
1363 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1364 /* Available with KVM_CAP_TSC_CONTROL */
1365 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1366 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1367 /* Available with KVM_CAP_PCI_2_3 */
1368 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1369                                        struct kvm_assigned_pci_dev)
1370 /* Available with KVM_CAP_SIGNAL_MSI */
1371 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1372 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1373 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1374 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1375 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1376 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1377 #define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1378                                        struct kvm_create_spapr_tce_64)
1379 /* Available with KVM_CAP_RMA */
1380 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1381 /* Available with KVM_CAP_PPC_HTAB_FD */
1382 #define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1383 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1384 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1385 /* Available with KVM_CAP_PPC_RTAS */
1386 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1387 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1388 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1389 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1390 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1391 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1392 /* Available with KVM_CAP_PPC_RADIX_MMU */
1393 #define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1394 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1395 #define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1396 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1397 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1398 #define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
1399
1400 /* ioctl for vm fd */
1401 #define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1402
1403 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1404 #define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1405 #define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1406 #define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1407
1408 /*
1409  * ioctls for vcpu fds
1410  */
1411 #define KVM_RUN                   _IO(KVMIO,   0x80)
1412 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1413 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1414 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1415 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1416 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1417 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1418 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1419 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1420 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1421 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1422 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1423 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1424 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1425 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1426 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1427 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1428 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1429 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1430 /* Available with KVM_CAP_VAPIC */
1431 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1432 /* Available with KVM_CAP_VAPIC */
1433 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1434 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1435 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1436 /* store status for s390 */
1437 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1438 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1439 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1440 /* initial ipl psw for s390 */
1441 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1442 /* initial reset for s390 */
1443 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1444 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1445 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1446 /* Available with KVM_CAP_USER_NMI */
1447 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1448 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1449 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1450 /* MCE for x86 */
1451 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1452 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1453 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1454 /* Available with KVM_CAP_VCPU_EVENTS */
1455 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1456 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1457 /* Available with KVM_CAP_DEBUGREGS */
1458 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1459 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1460 /*
1461  * vcpu version available with KVM_ENABLE_CAP
1462  * vm version available with KVM_CAP_ENABLE_CAP_VM
1463  */
1464 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1465 /* Available with KVM_CAP_XSAVE */
1466 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1467 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1468 /* Available with KVM_CAP_XCRS */
1469 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1470 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1471 /* Available with KVM_CAP_SW_TLB */
1472 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1473 /* Available with KVM_CAP_ONE_REG */
1474 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1475 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1476 /* VM is being stopped by host */
1477 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1478 #define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1479 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1480 #define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1481 /* Available with KVM_CAP_S390_MEM_OP */
1482 #define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1483 /* Available with KVM_CAP_S390_SKEYS */
1484 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1485 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1486 /* Available with KVM_CAP_S390_INJECT_IRQ */
1487 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1488 /* Available with KVM_CAP_S390_IRQ_STATE */
1489 #define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1490 #define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1491 /* Available with KVM_CAP_X86_SMM */
1492 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1493 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1494 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1495 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1496 /* Memory Encryption Commands */
1497 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1498
1499 struct kvm_enc_region {
1500         __u64 addr;
1501         __u64 size;
1502 };
1503
1504 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1505 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1506
1507 /* Available with KVM_CAP_HYPERV_EVENTFD */
1508 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1509
1510 /* Available with KVM_CAP_NESTED_STATE */
1511 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1512 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1513
1514 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1515 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1516
1517 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1518 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1519
1520 /* Available with KVM_CAP_ARM_SVE */
1521 #define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1522
1523 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1524 #define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1525 #define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1526
1527 struct kvm_s390_pv_sec_parm {
1528         __u64 origin;
1529         __u64 length;
1530 };
1531
1532 struct kvm_s390_pv_unp {
1533         __u64 addr;
1534         __u64 size;
1535         __u64 tweak;
1536 };
1537
1538 enum pv_cmd_id {
1539         KVM_PV_ENABLE,
1540         KVM_PV_DISABLE,
1541         KVM_PV_SET_SEC_PARMS,
1542         KVM_PV_UNPACK,
1543         KVM_PV_VERIFY,
1544         KVM_PV_PREP_RESET,
1545         KVM_PV_UNSHARE_ALL,
1546 };
1547
1548 struct kvm_pv_cmd {
1549         __u32 cmd;      /* Command to be executed */
1550         __u16 rc;       /* Ultravisor return code */
1551         __u16 rrc;      /* Ultravisor return reason code */
1552         __u64 data;     /* Data or address */
1553         __u32 flags;    /* flags for future extensions. Must be 0 for now */
1554         __u32 reserved[3];
1555 };
1556
1557 /* Available with KVM_CAP_S390_PROTECTED */
1558 #define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1559
1560 /* Available with KVM_CAP_X86_MSR_FILTER */
1561 #define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1562
1563 /* Available with KVM_CAP_DIRTY_LOG_RING */
1564 #define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)
1565
1566 /* Secure Encrypted Virtualization command */
1567 enum sev_cmd_id {
1568         /* Guest initialization commands */
1569         KVM_SEV_INIT = 0,
1570         KVM_SEV_ES_INIT,
1571         /* Guest launch commands */
1572         KVM_SEV_LAUNCH_START,
1573         KVM_SEV_LAUNCH_UPDATE_DATA,
1574         KVM_SEV_LAUNCH_UPDATE_VMSA,
1575         KVM_SEV_LAUNCH_SECRET,
1576         KVM_SEV_LAUNCH_MEASURE,
1577         KVM_SEV_LAUNCH_FINISH,
1578         /* Guest migration commands (outgoing) */
1579         KVM_SEV_SEND_START,
1580         KVM_SEV_SEND_UPDATE_DATA,
1581         KVM_SEV_SEND_UPDATE_VMSA,
1582         KVM_SEV_SEND_FINISH,
1583         /* Guest migration commands (incoming) */
1584         KVM_SEV_RECEIVE_START,
1585         KVM_SEV_RECEIVE_UPDATE_DATA,
1586         KVM_SEV_RECEIVE_UPDATE_VMSA,
1587         KVM_SEV_RECEIVE_FINISH,
1588         /* Guest status and debug commands */
1589         KVM_SEV_GUEST_STATUS,
1590         KVM_SEV_DBG_DECRYPT,
1591         KVM_SEV_DBG_ENCRYPT,
1592         /* Guest certificates commands */
1593         KVM_SEV_CERT_EXPORT,
1594
1595         KVM_SEV_NR_MAX,
1596 };
1597
1598 struct kvm_sev_cmd {
1599         __u32 id;
1600         __u64 data;
1601         __u32 error;
1602         __u32 sev_fd;
1603 };
1604
1605 struct kvm_sev_launch_start {
1606         __u32 handle;
1607         __u32 policy;
1608         __u64 dh_uaddr;
1609         __u32 dh_len;
1610         __u64 session_uaddr;
1611         __u32 session_len;
1612 };
1613
1614 struct kvm_sev_launch_update_data {
1615         __u64 uaddr;
1616         __u32 len;
1617 };
1618
1619
1620 struct kvm_sev_launch_secret {
1621         __u64 hdr_uaddr;
1622         __u32 hdr_len;
1623         __u64 guest_uaddr;
1624         __u32 guest_len;
1625         __u64 trans_uaddr;
1626         __u32 trans_len;
1627 };
1628
1629 struct kvm_sev_launch_measure {
1630         __u64 uaddr;
1631         __u32 len;
1632 };
1633
1634 struct kvm_sev_guest_status {
1635         __u32 handle;
1636         __u32 policy;
1637         __u32 state;
1638 };
1639
1640 struct kvm_sev_dbg {
1641         __u64 src_uaddr;
1642         __u64 dst_uaddr;
1643         __u32 len;
1644 };
1645
1646 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
1647 #define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
1648 #define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
1649
1650 struct kvm_assigned_pci_dev {
1651         __u32 assigned_dev_id;
1652         __u32 busnr;
1653         __u32 devfn;
1654         __u32 flags;
1655         __u32 segnr;
1656         union {
1657                 __u32 reserved[11];
1658         };
1659 };
1660
1661 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
1662 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
1663 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
1664
1665 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
1666 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
1667 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
1668
1669 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
1670 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
1671
1672 struct kvm_assigned_irq {
1673         __u32 assigned_dev_id;
1674         __u32 host_irq; /* ignored (legacy field) */
1675         __u32 guest_irq;
1676         __u32 flags;
1677         union {
1678                 __u32 reserved[12];
1679         };
1680 };
1681
1682 struct kvm_assigned_msix_nr {
1683         __u32 assigned_dev_id;
1684         __u16 entry_nr;
1685         __u16 padding;
1686 };
1687
1688 #define KVM_MAX_MSIX_PER_DEV            256
1689 struct kvm_assigned_msix_entry {
1690         __u32 assigned_dev_id;
1691         __u32 gsi;
1692         __u16 entry; /* The index of entry in the MSI-X table */
1693         __u16 padding[3];
1694 };
1695
1696 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
1697 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
1698
1699 /* Available with KVM_CAP_ARM_USER_IRQ */
1700
1701 /* Bits for run->s.regs.device_irq_level */
1702 #define KVM_ARM_DEV_EL1_VTIMER          (1 << 0)
1703 #define KVM_ARM_DEV_EL1_PTIMER          (1 << 1)
1704 #define KVM_ARM_DEV_PMU                 (1 << 2)
1705
1706 struct kvm_hyperv_eventfd {
1707         __u32 conn_id;
1708         __s32 fd;
1709         __u32 flags;
1710         __u32 padding[3];
1711 };
1712
1713 #define KVM_HYPERV_CONN_ID_MASK         0x00ffffff
1714 #define KVM_HYPERV_EVENTFD_DEASSIGN     (1 << 0)
1715
1716 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1717 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1718
1719 /*
1720  * Arch needs to define the macro after implementing the dirty ring
1721  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1722  * starting page offset of the dirty ring structures.
1723  */
1724 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1725 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1726 #endif
1727
1728 /*
1729  * KVM dirty GFN flags, defined as:
1730  *
1731  * |---------------+---------------+--------------|
1732  * | bit 1 (reset) | bit 0 (dirty) | Status       |
1733  * |---------------+---------------+--------------|
1734  * |             0 |             0 | Invalid GFN  |
1735  * |             0 |             1 | Dirty GFN    |
1736  * |             1 |             X | GFN to reset |
1737  * |---------------+---------------+--------------|
1738  *
1739  * Lifecycle of a dirty GFN goes like:
1740  *
1741  *      dirtied         harvested        reset
1742  * 00 -----------> 01 -------------> 1X -------+
1743  *  ^                                          |
1744  *  |                                          |
1745  *  +------------------------------------------+
1746  *
1747  * The userspace program is only responsible for the 01->1X state
1748  * conversion after harvesting an entry.  Also, it must not skip any
1749  * dirty bits, so that dirty bits are always harvested in sequence.
1750  */
1751 #define KVM_DIRTY_GFN_F_DIRTY           BIT(0)
1752 #define KVM_DIRTY_GFN_F_RESET           BIT(1)
1753 #define KVM_DIRTY_GFN_F_MASK            0x3
1754
1755 /*
1756  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1757  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1758  * size of the gfn buffer is decided by the first argument when
1759  * enabling KVM_CAP_DIRTY_LOG_RING.
1760  */
1761 struct kvm_dirty_gfn {
1762         __u32 flags;
1763         __u32 slot;
1764         __u64 offset;
1765 };
1766
1767 #endif /* __LINUX_KVM_H */