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/const.h>
  12 #include <linux/types.h>
  13
  14 #include <linux/ioctl.h>
  15 #include <asm/kvm.h>
  16
  17 #define KVM_API_VERSION 12
  18
  19 /*
  20  * Backwards-compatible definitions.
  21  */
  22 #define __KVM_HAVE_GUEST_DEBUG
  23
  24 /* for KVM_SET_USER_MEMORY_REGION */
  25 struct kvm_userspace_memory_region {
  26         __u32 slot;
  27         __u32 flags;
  28         __u64 guest_phys_addr;
  29         __u64 memory_size; /* bytes */
  30         __u64 userspace_addr; /* start of the userspace allocated memory */
  31 };
  32
  33 /* for KVM_SET_USER_MEMORY_REGION2 */
  34 struct kvm_userspace_memory_region2 {
  35         __u32 slot;
  36         __u32 flags;
  37         __u64 guest_phys_addr;
  38         __u64 memory_size;
  39         __u64 userspace_addr;
  40         __u64 guest_memfd_offset;
  41         __u32 guest_memfd;
  42         __u32 pad1;
  43         __u64 pad2[14];
  44 };
  45
  46 /*
  47  * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
  48  * userspace, other bits are reserved for kvm internal use which are defined
  49  * in include/linux/kvm_host.h.
  50  */
  51 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
  52 #define KVM_MEM_READONLY        (1UL << 1)
  53 #define KVM_MEM_GUEST_MEMFD     (1UL << 2)
  54
  55 /* for KVM_IRQ_LINE */
  56 struct kvm_irq_level {
  57         /*
  58          * ACPI gsi notion of irq.
  59          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
  60          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
  61          * For ARM: See Documentation/virt/kvm/api.rst
  62          */
  63         union {
  64                 __u32 irq;
  65                 __s32 status;
  66         };
  67         __u32 level;
  68 };
  69
  70
  71 struct kvm_irqchip {
  72         __u32 chip_id;
  73         __u32 pad;
  74         union {
  75                 char dummy[512];  /* reserving space */
  76 #ifdef __KVM_HAVE_PIT
  77                 struct kvm_pic_state pic;
  78 #endif
  79 #ifdef __KVM_HAVE_IOAPIC
  80                 struct kvm_ioapic_state ioapic;
  81 #endif
  82         } chip;
  83 };
  84
  85 /* for KVM_CREATE_PIT2 */
  86 struct kvm_pit_config {
  87         __u32 flags;
  88         __u32 pad[15];
  89 };
  90
  91 #define KVM_PIT_SPEAKER_DUMMY     1
  92
  93 struct kvm_hyperv_exit {
  94 #define KVM_EXIT_HYPERV_SYNIC          1
  95 #define KVM_EXIT_HYPERV_HCALL          2
  96 #define KVM_EXIT_HYPERV_SYNDBG         3
  97         __u32 type;
  98         __u32 pad1;
  99         union {
 100                 struct {
 101                         __u32 msr;
 102                         __u32 pad2;
 103                         __u64 control;
 104                         __u64 evt_page;
 105                         __u64 msg_page;
 106                 } synic;
 107                 struct {
 108                         __u64 input;
 109                         __u64 result;
 110                         __u64 params[2];
 111                 } hcall;
 112                 struct {
 113                         __u32 msr;
 114                         __u32 pad2;
 115                         __u64 control;
 116                         __u64 status;
 117                         __u64 send_page;
 118                         __u64 recv_page;
 119                         __u64 pending_page;
 120                 } syndbg;
 121         } u;
 122 };
 123
 124 struct kvm_xen_exit {
 125 #define KVM_EXIT_XEN_HCALL          1
 126         __u32 type;
 127         union {
 128                 struct {
 129                         __u32 longmode;
 130                         __u32 cpl;
 131                         __u64 input;
 132                         __u64 result;
 133                         __u64 params[6];
 134                 } hcall;
 135         } u;
 136 };
 137
 138 #define KVM_S390_GET_SKEYS_NONE   1
 139 #define KVM_S390_SKEYS_MAX        1048576
 140
 141 #define KVM_EXIT_UNKNOWN          0
 142 #define KVM_EXIT_EXCEPTION        1
 143 #define KVM_EXIT_IO               2
 144 #define KVM_EXIT_HYPERCALL        3
 145 #define KVM_EXIT_DEBUG            4
 146 #define KVM_EXIT_HLT              5
 147 #define KVM_EXIT_MMIO             6
 148 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 149 #define KVM_EXIT_SHUTDOWN         8
 150 #define KVM_EXIT_FAIL_ENTRY       9
 151 #define KVM_EXIT_INTR             10
 152 #define KVM_EXIT_SET_TPR          11
 153 #define KVM_EXIT_TPR_ACCESS       12
 154 #define KVM_EXIT_S390_SIEIC       13
 155 #define KVM_EXIT_S390_RESET       14
 156 #define KVM_EXIT_DCR              15 /* deprecated */
 157 #define KVM_EXIT_NMI              16
 158 #define KVM_EXIT_INTERNAL_ERROR   17
 159 #define KVM_EXIT_OSI              18
 160 #define KVM_EXIT_PAPR_HCALL       19
 161 #define KVM_EXIT_S390_UCONTROL    20
 162 #define KVM_EXIT_WATCHDOG         21
 163 #define KVM_EXIT_S390_TSCH        22
 164 #define KVM_EXIT_EPR              23
 165 #define KVM_EXIT_SYSTEM_EVENT     24
 166 #define KVM_EXIT_S390_STSI        25
 167 #define KVM_EXIT_IOAPIC_EOI       26
 168 #define KVM_EXIT_HYPERV           27
 169 #define KVM_EXIT_ARM_NISV         28
 170 #define KVM_EXIT_X86_RDMSR        29
 171 #define KVM_EXIT_X86_WRMSR        30
 172 #define KVM_EXIT_DIRTY_RING_FULL  31
 173 #define KVM_EXIT_AP_RESET_HOLD    32
 174 #define KVM_EXIT_X86_BUS_LOCK     33
 175 #define KVM_EXIT_XEN              34
 176 #define KVM_EXIT_RISCV_SBI        35
 177 #define KVM_EXIT_RISCV_CSR        36
 178 #define KVM_EXIT_NOTIFY           37
 179 #define KVM_EXIT_LOONGARCH_IOCSR  38
 180 #define KVM_EXIT_MEMORY_FAULT     39
 181
 182 /* For KVM_EXIT_INTERNAL_ERROR */
 183 /* Emulate instruction failed. */
 184 #define KVM_INTERNAL_ERROR_EMULATION    1
 185 /* Encounter unexpected simultaneous exceptions. */
 186 #define KVM_INTERNAL_ERROR_SIMUL_EX     2
 187 /* Encounter unexpected vm-exit due to delivery event. */
 188 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 189 /* Encounter unexpected vm-exit reason */
 190 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON       4
 191
 192 /* Flags that describe what fields in emulation_failure hold valid data. */
 193 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
 194
 195 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 196 struct kvm_run {
 197         /* in */
 198         __u8 request_interrupt_window;
 199         __u8 immediate_exit;
 200         __u8 padding1[6];
 201
 202         /* out */
 203         __u32 exit_reason;
 204         __u8 ready_for_interrupt_injection;
 205         __u8 if_flag;
 206         __u16 flags;
 207
 208         /* in (pre_kvm_run), out (post_kvm_run) */
 209         __u64 cr8;
 210         __u64 apic_base;
 211
 212 #ifdef __KVM_S390
 213         /* the processor status word for s390 */
 214         __u64 psw_mask; /* psw upper half */
 215         __u64 psw_addr; /* psw lower half */
 216 #endif
 217         union {
 218                 /* KVM_EXIT_UNKNOWN */
 219                 struct {
 220                         __u64 hardware_exit_reason;
 221                 } hw;
 222                 /* KVM_EXIT_FAIL_ENTRY */
 223                 struct {
 224                         __u64 hardware_entry_failure_reason;
 225                         __u32 cpu;
 226                 } fail_entry;
 227                 /* KVM_EXIT_EXCEPTION */
 228                 struct {
 229                         __u32 exception;
 230                         __u32 error_code;
 231                 } ex;
 232                 /* KVM_EXIT_IO */
 233                 struct {
 234 #define KVM_EXIT_IO_IN  0
 235 #define KVM_EXIT_IO_OUT 1
 236                         __u8 direction;
 237                         __u8 size; /* bytes */
 238                         __u16 port;
 239                         __u32 count;
 240                         __u64 data_offset; /* relative to kvm_run start */
 241                 } io;
 242                 /* KVM_EXIT_DEBUG */
 243                 struct {
 244                         struct kvm_debug_exit_arch arch;
 245                 } debug;
 246                 /* KVM_EXIT_MMIO */
 247                 struct {
 248                         __u64 phys_addr;
 249                         __u8  data[8];
 250                         __u32 len;
 251                         __u8  is_write;
 252                 } mmio;
 253                 /* KVM_EXIT_LOONGARCH_IOCSR */
 254                 struct {
 255                         __u64 phys_addr;
 256                         __u8  data[8];
 257                         __u32 len;
 258                         __u8  is_write;
 259                 } iocsr_io;
 260                 /* KVM_EXIT_HYPERCALL */
 261                 struct {
 262                         __u64 nr;
 263                         __u64 args[6];
 264                         __u64 ret;
 265
 266                         union {
 267                                 __u32 longmode;
 268                                 __u64 flags;
 269                         };
 270                 } hypercall;
 271                 /* KVM_EXIT_TPR_ACCESS */
 272                 struct {
 273                         __u64 rip;
 274                         __u32 is_write;
 275                         __u32 pad;
 276                 } tpr_access;
 277                 /* KVM_EXIT_S390_SIEIC */
 278                 struct {
 279                         __u8 icptcode;
 280                         __u16 ipa;
 281                         __u32 ipb;
 282                 } s390_sieic;
 283                 /* KVM_EXIT_S390_RESET */
 284                 __u64 s390_reset_flags;
 285                 /* KVM_EXIT_S390_UCONTROL */
 286                 struct {
 287                         __u64 trans_exc_code;
 288                         __u32 pgm_code;
 289                 } s390_ucontrol;
 290                 /* KVM_EXIT_DCR (deprecated) */
 291                 struct {
 292                         __u32 dcrn;
 293                         __u32 data;
 294                         __u8  is_write;
 295                 } dcr;
 296                 /* KVM_EXIT_INTERNAL_ERROR */
 297                 struct {
 298                         __u32 suberror;
 299                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 300                         __u32 ndata;
 301                         __u64 data[16];
 302                 } internal;
 303                 /*
 304                  * KVM_INTERNAL_ERROR_EMULATION
 305                  *
 306                  * "struct emulation_failure" is an overlay of "struct internal"
 307                  * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
 308                  * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
 309                  * sub-types, this struct is ABI!  It also needs to be backwards
 310                  * compatible with "struct internal".  Take special care that
 311                  * "ndata" is correct, that new fields are enumerated in "flags",
 312                  * and that each flag enumerates fields that are 64-bit aligned
 313                  * and sized (so that ndata+internal.data[] is valid/accurate).
 314                  *
 315                  * Space beyond the defined fields may be used to store arbitrary
 316                  * debug information relating to the emulation failure. It is
 317                  * accounted for in "ndata" but the format is unspecified and is
 318                  * not represented in "flags". Any such information is *not* ABI!
 319                  */
 320                 struct {
 321                         __u32 suberror;
 322                         __u32 ndata;
 323                         __u64 flags;
 324                         union {
 325                                 struct {
 326                                         __u8  insn_size;
 327                                         __u8  insn_bytes[15];
 328                                 };
 329                         };
 330                         /* Arbitrary debug data may follow. */
 331                 } emulation_failure;
 332                 /* KVM_EXIT_OSI */
 333                 struct {
 334                         __u64 gprs[32];
 335                 } osi;
 336                 /* KVM_EXIT_PAPR_HCALL */
 337                 struct {
 338                         __u64 nr;
 339                         __u64 ret;
 340                         __u64 args[9];
 341                 } papr_hcall;
 342                 /* KVM_EXIT_S390_TSCH */
 343                 struct {
 344                         __u16 subchannel_id;
 345                         __u16 subchannel_nr;
 346                         __u32 io_int_parm;
 347                         __u32 io_int_word;
 348                         __u32 ipb;
 349                         __u8 dequeued;
 350                 } s390_tsch;
 351                 /* KVM_EXIT_EPR */
 352                 struct {
 353                         __u32 epr;
 354                 } epr;
 355                 /* KVM_EXIT_SYSTEM_EVENT */
 356                 struct {
 357 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
 358 #define KVM_SYSTEM_EVENT_RESET          2
 359 #define KVM_SYSTEM_EVENT_CRASH          3
 360 #define KVM_SYSTEM_EVENT_WAKEUP         4
 361 #define KVM_SYSTEM_EVENT_SUSPEND        5
 362 #define KVM_SYSTEM_EVENT_SEV_TERM       6
 363                         __u32 type;
 364                         __u32 ndata;
 365                         union {
 366                                 __u64 flags;
 367                                 __u64 data[16];
 368                         };
 369                 } system_event;
 370                 /* KVM_EXIT_S390_STSI */
 371                 struct {
 372                         __u64 addr;
 373                         __u8 ar;
 374                         __u8 reserved;
 375                         __u8 fc;
 376                         __u8 sel1;
 377                         __u16 sel2;
 378                 } s390_stsi;
 379                 /* KVM_EXIT_IOAPIC_EOI */
 380                 struct {
 381                         __u8 vector;
 382                 } eoi;
 383                 /* KVM_EXIT_HYPERV */
 384                 struct kvm_hyperv_exit hyperv;
 385                 /* KVM_EXIT_ARM_NISV */
 386                 struct {
 387                         __u64 esr_iss;
 388                         __u64 fault_ipa;
 389                 } arm_nisv;
 390                 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
 391                 struct {
 392                         __u8 error; /* user -> kernel */
 393                         __u8 pad[7];
 394 #define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
 395 #define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
 396 #define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
 397 #define KVM_MSR_EXIT_REASON_VALID_MASK  (KVM_MSR_EXIT_REASON_INVAL   |  \
 398                                          KVM_MSR_EXIT_REASON_UNKNOWN |  \
 399                                          KVM_MSR_EXIT_REASON_FILTER)
 400                         __u32 reason; /* kernel -> user */
 401                         __u32 index; /* kernel -> user */
 402                         __u64 data; /* kernel <-> user */
 403                 } msr;
 404                 /* KVM_EXIT_XEN */
 405                 struct kvm_xen_exit xen;
 406                 /* KVM_EXIT_RISCV_SBI */
 407                 struct {
 408                         unsigned long extension_id;
 409                         unsigned long function_id;
 410                         unsigned long args[6];
 411                         unsigned long ret[2];
 412                 } riscv_sbi;
 413                 /* KVM_EXIT_RISCV_CSR */
 414                 struct {
 415                         unsigned long csr_num;
 416                         unsigned long new_value;
 417                         unsigned long write_mask;
 418                         unsigned long ret_value;
 419                 } riscv_csr;
 420                 /* KVM_EXIT_NOTIFY */
 421                 struct {
 422 #define KVM_NOTIFY_CONTEXT_INVALID      (1 << 0)
 423                         __u32 flags;
 424                 } notify;
 425                 /* KVM_EXIT_MEMORY_FAULT */
 426                 struct {
 427 #define KVM_MEMORY_EXIT_FLAG_PRIVATE    (1ULL << 3)
 428                         __u64 flags;
 429                         __u64 gpa;
 430                         __u64 size;
 431                 } memory_fault;
 432                 /* Fix the size of the union. */
 433                 char padding[256];
 434         };
 435
 436         /* 2048 is the size of the char array used to bound/pad the size
 437          * of the union that holds sync regs.
 438          */
 439         #define SYNC_REGS_SIZE_BYTES 2048
 440         /*
 441          * shared registers between kvm and userspace.
 442          * kvm_valid_regs specifies the register classes set by the host
 443          * kvm_dirty_regs specified the register classes dirtied by userspace
 444          * struct kvm_sync_regs is architecture specific, as well as the
 445          * bits for kvm_valid_regs and kvm_dirty_regs
 446          */
 447         __u64 kvm_valid_regs;
 448         __u64 kvm_dirty_regs;
 449         union {
 450                 struct kvm_sync_regs regs;
 451                 char padding[SYNC_REGS_SIZE_BYTES];
 452         } s;
 453 };
 454
 455 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 456
 457 struct kvm_coalesced_mmio_zone {
 458         __u64 addr;
 459         __u32 size;
 460         union {
 461                 __u32 pad;
 462                 __u32 pio;
 463         };
 464 };
 465
 466 struct kvm_coalesced_mmio {
 467         __u64 phys_addr;
 468         __u32 len;
 469         union {
 470                 __u32 pad;
 471                 __u32 pio;
 472         };
 473         __u8  data[8];
 474 };
 475
 476 struct kvm_coalesced_mmio_ring {
 477         __u32 first, last;
 478         struct kvm_coalesced_mmio coalesced_mmio[];
 479 };
 480
 481 #define KVM_COALESCED_MMIO_MAX \
 482         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 483          sizeof(struct kvm_coalesced_mmio))
 484
 485 /* for KVM_TRANSLATE */
 486 struct kvm_translation {
 487         /* in */
 488         __u64 linear_address;
 489
 490         /* out */
 491         __u64 physical_address;
 492         __u8  valid;
 493         __u8  writeable;
 494         __u8  usermode;
 495         __u8  pad[5];
 496 };
 497
 498 /* for KVM_INTERRUPT */
 499 struct kvm_interrupt {
 500         /* in */
 501         __u32 irq;
 502 };
 503
 504 /* for KVM_GET_DIRTY_LOG */
 505 struct kvm_dirty_log {
 506         __u32 slot;
 507         __u32 padding1;
 508         union {
 509                 void *dirty_bitmap; /* one bit per page */
 510                 __u64 padding2;
 511         };
 512 };
 513
 514 /* for KVM_CLEAR_DIRTY_LOG */
 515 struct kvm_clear_dirty_log {
 516         __u32 slot;
 517         __u32 num_pages;
 518         __u64 first_page;
 519         union {
 520                 void *dirty_bitmap; /* one bit per page */
 521                 __u64 padding2;
 522         };
 523 };
 524
 525 /* for KVM_SET_SIGNAL_MASK */
 526 struct kvm_signal_mask {
 527         __u32 len;
 528         __u8  sigset[];
 529 };
 530
 531 /* for KVM_TPR_ACCESS_REPORTING */
 532 struct kvm_tpr_access_ctl {
 533         __u32 enabled;
 534         __u32 flags;
 535         __u32 reserved[8];
 536 };
 537
 538 /* for KVM_SET_VAPIC_ADDR */
 539 struct kvm_vapic_addr {
 540         __u64 vapic_addr;
 541 };
 542
 543 /* for KVM_SET_MP_STATE */
 544
 545 /* not all states are valid on all architectures */
 546 #define KVM_MP_STATE_RUNNABLE          0
 547 #define KVM_MP_STATE_UNINITIALIZED     1
 548 #define KVM_MP_STATE_INIT_RECEIVED     2
 549 #define KVM_MP_STATE_HALTED            3
 550 #define KVM_MP_STATE_SIPI_RECEIVED     4
 551 #define KVM_MP_STATE_STOPPED           5
 552 #define KVM_MP_STATE_CHECK_STOP        6
 553 #define KVM_MP_STATE_OPERATING         7
 554 #define KVM_MP_STATE_LOAD              8
 555 #define KVM_MP_STATE_AP_RESET_HOLD     9
 556 #define KVM_MP_STATE_SUSPENDED         10
 557
 558 struct kvm_mp_state {
 559         __u32 mp_state;
 560 };
 561
 562 /* for KVM_SET_GUEST_DEBUG */
 563
 564 #define KVM_GUESTDBG_ENABLE             0x00000001
 565 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 566
 567 struct kvm_guest_debug {
 568         __u32 control;
 569         __u32 pad;
 570         struct kvm_guest_debug_arch arch;
 571 };
 572
 573 enum {
 574         kvm_ioeventfd_flag_nr_datamatch,
 575         kvm_ioeventfd_flag_nr_pio,
 576         kvm_ioeventfd_flag_nr_deassign,
 577         kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 578         kvm_ioeventfd_flag_nr_fast_mmio,
 579         kvm_ioeventfd_flag_nr_max,
 580 };
 581
 582 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 583 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 584 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 585 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 586         (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 587
 588 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 589
 590 struct kvm_ioeventfd {
 591         __u64 datamatch;
 592         __u64 addr;        /* legal pio/mmio address */
 593         __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 594         __s32 fd;
 595         __u32 flags;
 596         __u8  pad[36];
 597 };
 598
 599 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
 600 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
 601 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
 602 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
 603 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
 604                                               KVM_X86_DISABLE_EXITS_HLT | \
 605                                               KVM_X86_DISABLE_EXITS_PAUSE | \
 606                                               KVM_X86_DISABLE_EXITS_CSTATE)
 607
 608 /* for KVM_ENABLE_CAP */
 609 struct kvm_enable_cap {
 610         /* in */
 611         __u32 cap;
 612         __u32 flags;
 613         __u64 args[4];
 614         __u8  pad[64];
 615 };
 616
 617 #define KVMIO 0xAE
 618
 619 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 620 #define KVM_VM_S390_UCONTROL    1
 621
 622 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 623 #define KVM_VM_PPC_HV 1
 624 #define KVM_VM_PPC_PR 2
 625
 626 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
 627 #define KVM_VM_MIPS_AUTO        0
 628 #define KVM_VM_MIPS_VZ          1
 629 #define KVM_VM_MIPS_TE          2
 630
 631 #define KVM_S390_SIE_PAGE_OFFSET 1
 632
 633 /*
 634  * On arm64, machine type can be used to request the physical
 635  * address size for the VM. Bits[7-0] are reserved for the guest
 636  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 637  * value 0 implies the default IPA size, 40bits.
 638  */
 639 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
 640 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
 641         ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 642 /*
 643  * ioctls for /dev/kvm fds:
 644  */
 645 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 646 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 647 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 648
 649 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 650 /*
 651  * Check if a kvm extension is available.  Argument is extension number,
 652  * return is 1 (yes) or 0 (no, sorry).
 653  */
 654 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 655 /*
 656  * Get size for mmap(vcpu_fd)
 657  */
 658 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 659 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 660 #define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 661 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 662
 663 /*
 664  * Extension capability list.
 665  */
 666 #define KVM_CAP_IRQCHIP   0
 667 #define KVM_CAP_HLT       1
 668 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 669 #define KVM_CAP_USER_MEMORY 3
 670 #define KVM_CAP_SET_TSS_ADDR 4
 671 #define KVM_CAP_VAPIC 6
 672 #define KVM_CAP_EXT_CPUID 7
 673 #define KVM_CAP_CLOCKSOURCE 8
 674 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 675 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 676 #define KVM_CAP_PIT 11
 677 #define KVM_CAP_NOP_IO_DELAY 12
 678 #define KVM_CAP_PV_MMU 13
 679 #define KVM_CAP_MP_STATE 14
 680 #define KVM_CAP_COALESCED_MMIO 15
 681 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 682 #define KVM_CAP_IOMMU 18
 683 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 684 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 685 #define KVM_CAP_USER_NMI 22
 686 #define KVM_CAP_SET_GUEST_DEBUG 23
 687 #ifdef __KVM_HAVE_PIT
 688 #define KVM_CAP_REINJECT_CONTROL 24
 689 #endif
 690 #define KVM_CAP_IRQ_ROUTING 25
 691 #define KVM_CAP_IRQ_INJECT_STATUS 26
 692 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 693 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 694 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 695 #ifdef __KVM_HAVE_MCE
 696 #define KVM_CAP_MCE 31
 697 #endif
 698 #define KVM_CAP_IRQFD 32
 699 #ifdef __KVM_HAVE_PIT
 700 #define KVM_CAP_PIT2 33
 701 #endif
 702 #define KVM_CAP_SET_BOOT_CPU_ID 34
 703 #ifdef __KVM_HAVE_PIT_STATE2
 704 #define KVM_CAP_PIT_STATE2 35
 705 #endif
 706 #define KVM_CAP_IOEVENTFD 36
 707 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 708 #ifdef __KVM_HAVE_XEN_HVM
 709 #define KVM_CAP_XEN_HVM 38
 710 #endif
 711 #define KVM_CAP_ADJUST_CLOCK 39
 712 #define KVM_CAP_INTERNAL_ERROR_DATA 40
 713 #ifdef __KVM_HAVE_VCPU_EVENTS
 714 #define KVM_CAP_VCPU_EVENTS 41
 715 #endif
 716 #define KVM_CAP_S390_PSW 42
 717 #define KVM_CAP_PPC_SEGSTATE 43
 718 #define KVM_CAP_HYPERV 44
 719 #define KVM_CAP_HYPERV_VAPIC 45
 720 #define KVM_CAP_HYPERV_SPIN 46
 721 #define KVM_CAP_PCI_SEGMENT 47
 722 #define KVM_CAP_PPC_PAIRED_SINGLES 48
 723 #define KVM_CAP_INTR_SHADOW 49
 724 #ifdef __KVM_HAVE_DEBUGREGS
 725 #define KVM_CAP_DEBUGREGS 50
 726 #endif
 727 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 728 #define KVM_CAP_PPC_OSI 52
 729 #define KVM_CAP_PPC_UNSET_IRQ 53
 730 #define KVM_CAP_ENABLE_CAP 54
 731 #ifdef __KVM_HAVE_XSAVE
 732 #define KVM_CAP_XSAVE 55
 733 #endif
 734 #ifdef __KVM_HAVE_XCRS
 735 #define KVM_CAP_XCRS 56
 736 #endif
 737 #define KVM_CAP_PPC_GET_PVINFO 57
 738 #define KVM_CAP_PPC_IRQ_LEVEL 58
 739 #define KVM_CAP_ASYNC_PF 59
 740 #define KVM_CAP_TSC_CONTROL 60
 741 #define KVM_CAP_GET_TSC_KHZ 61
 742 #define KVM_CAP_PPC_BOOKE_SREGS 62
 743 #define KVM_CAP_SPAPR_TCE 63
 744 #define KVM_CAP_PPC_SMT 64
 745 #define KVM_CAP_PPC_RMA 65
 746 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 747 #define KVM_CAP_PPC_HIOR 67
 748 #define KVM_CAP_PPC_PAPR 68
 749 #define KVM_CAP_SW_TLB 69
 750 #define KVM_CAP_ONE_REG 70
 751 #define KVM_CAP_S390_GMAP 71
 752 #define KVM_CAP_TSC_DEADLINE_TIMER 72
 753 #define KVM_CAP_S390_UCONTROL 73
 754 #define KVM_CAP_SYNC_REGS 74
 755 #define KVM_CAP_PCI_2_3 75
 756 #define KVM_CAP_KVMCLOCK_CTRL 76
 757 #define KVM_CAP_SIGNAL_MSI 77
 758 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 759 #define KVM_CAP_S390_COW 79
 760 #define KVM_CAP_PPC_ALLOC_HTAB 80
 761 #define KVM_CAP_READONLY_MEM 81
 762 #define KVM_CAP_IRQFD_RESAMPLE 82
 763 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
 764 #define KVM_CAP_PPC_HTAB_FD 84
 765 #define KVM_CAP_S390_CSS_SUPPORT 85
 766 #define KVM_CAP_PPC_EPR 86
 767 #define KVM_CAP_ARM_PSCI 87
 768 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
 769 #define KVM_CAP_DEVICE_CTRL 89
 770 #define KVM_CAP_IRQ_MPIC 90
 771 #define KVM_CAP_PPC_RTAS 91
 772 #define KVM_CAP_IRQ_XICS 92
 773 #define KVM_CAP_ARM_EL1_32BIT 93
 774 #define KVM_CAP_SPAPR_MULTITCE 94
 775 #define KVM_CAP_EXT_EMUL_CPUID 95
 776 #define KVM_CAP_HYPERV_TIME 96
 777 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
 778 #define KVM_CAP_ENABLE_CAP_VM 98
 779 #define KVM_CAP_S390_IRQCHIP 99
 780 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
 781 #define KVM_CAP_VM_ATTRIBUTES 101
 782 #define KVM_CAP_ARM_PSCI_0_2 102
 783 #define KVM_CAP_PPC_FIXUP_HCALL 103
 784 #define KVM_CAP_PPC_ENABLE_HCALL 104
 785 #define KVM_CAP_CHECK_EXTENSION_VM 105
 786 #define KVM_CAP_S390_USER_SIGP 106
 787 #define KVM_CAP_S390_VECTOR_REGISTERS 107
 788 #define KVM_CAP_S390_MEM_OP 108
 789 #define KVM_CAP_S390_USER_STSI 109
 790 #define KVM_CAP_S390_SKEYS 110
 791 #define KVM_CAP_MIPS_FPU 111
 792 #define KVM_CAP_MIPS_MSA 112
 793 #define KVM_CAP_S390_INJECT_IRQ 113
 794 #define KVM_CAP_S390_IRQ_STATE 114
 795 #define KVM_CAP_PPC_HWRNG 115
 796 #define KVM_CAP_DISABLE_QUIRKS 116
 797 #define KVM_CAP_X86_SMM 117
 798 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
 799 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
 800 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
 801 #define KVM_CAP_SPLIT_IRQCHIP 121
 802 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
 803 #define KVM_CAP_HYPERV_SYNIC 123
 804 #define KVM_CAP_S390_RI 124
 805 #define KVM_CAP_SPAPR_TCE_64 125
 806 #define KVM_CAP_ARM_PMU_V3 126
 807 #define KVM_CAP_VCPU_ATTRIBUTES 127
 808 #define KVM_CAP_MAX_VCPU_ID 128
 809 #define KVM_CAP_X2APIC_API 129
 810 #define KVM_CAP_S390_USER_INSTR0 130
 811 #define KVM_CAP_MSI_DEVID 131
 812 #define KVM_CAP_PPC_HTM 132
 813 #define KVM_CAP_SPAPR_RESIZE_HPT 133
 814 #define KVM_CAP_PPC_MMU_RADIX 134
 815 #define KVM_CAP_PPC_MMU_HASH_V3 135
 816 #define KVM_CAP_IMMEDIATE_EXIT 136
 817 #define KVM_CAP_MIPS_VZ 137
 818 #define KVM_CAP_MIPS_TE 138
 819 #define KVM_CAP_MIPS_64BIT 139
 820 #define KVM_CAP_S390_GS 140
 821 #define KVM_CAP_S390_AIS 141
 822 #define KVM_CAP_SPAPR_TCE_VFIO 142
 823 #define KVM_CAP_X86_DISABLE_EXITS 143
 824 #define KVM_CAP_ARM_USER_IRQ 144
 825 #define KVM_CAP_S390_CMMA_MIGRATION 145
 826 #define KVM_CAP_PPC_FWNMI 146
 827 #define KVM_CAP_PPC_SMT_POSSIBLE 147
 828 #define KVM_CAP_HYPERV_SYNIC2 148
 829 #define KVM_CAP_HYPERV_VP_INDEX 149
 830 #define KVM_CAP_S390_AIS_MIGRATION 150
 831 #define KVM_CAP_PPC_GET_CPU_CHAR 151
 832 #define KVM_CAP_S390_BPB 152
 833 #define KVM_CAP_GET_MSR_FEATURES 153
 834 #define KVM_CAP_HYPERV_EVENTFD 154
 835 #define KVM_CAP_HYPERV_TLBFLUSH 155
 836 #define KVM_CAP_S390_HPAGE_1M 156
 837 #define KVM_CAP_NESTED_STATE 157
 838 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
 839 #define KVM_CAP_MSR_PLATFORM_INFO 159
 840 #define KVM_CAP_PPC_NESTED_HV 160
 841 #define KVM_CAP_HYPERV_SEND_IPI 161
 842 #define KVM_CAP_COALESCED_PIO 162
 843 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
 844 #define KVM_CAP_EXCEPTION_PAYLOAD 164
 845 #define KVM_CAP_ARM_VM_IPA_SIZE 165
 846 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
 847 #define KVM_CAP_HYPERV_CPUID 167
 848 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
 849 #define KVM_CAP_PPC_IRQ_XIVE 169
 850 #define KVM_CAP_ARM_SVE 170
 851 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
 852 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
 853 #define KVM_CAP_PMU_EVENT_FILTER 173
 854 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
 855 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
 856 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
 857 #define KVM_CAP_ARM_NISV_TO_USER 177
 858 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
 859 #define KVM_CAP_S390_VCPU_RESETS 179
 860 #define KVM_CAP_S390_PROTECTED 180
 861 #define KVM_CAP_PPC_SECURE_GUEST 181
 862 #define KVM_CAP_HALT_POLL 182
 863 #define KVM_CAP_ASYNC_PF_INT 183
 864 #define KVM_CAP_LAST_CPU 184
 865 #define KVM_CAP_SMALLER_MAXPHYADDR 185
 866 #define KVM_CAP_S390_DIAG318 186
 867 #define KVM_CAP_STEAL_TIME 187
 868 #define KVM_CAP_X86_USER_SPACE_MSR 188
 869 #define KVM_CAP_X86_MSR_FILTER 189
 870 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
 871 #define KVM_CAP_SYS_HYPERV_CPUID 191
 872 #define KVM_CAP_DIRTY_LOG_RING 192
 873 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
 874 #define KVM_CAP_PPC_DAWR1 194
 875 #define KVM_CAP_SET_GUEST_DEBUG2 195
 876 #define KVM_CAP_SGX_ATTRIBUTE 196
 877 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
 878 #define KVM_CAP_PTP_KVM 198
 879 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
 880 #define KVM_CAP_SREGS2 200
 881 #define KVM_CAP_EXIT_HYPERCALL 201
 882 #define KVM_CAP_PPC_RPT_INVALIDATE 202
 883 #define KVM_CAP_BINARY_STATS_FD 203
 884 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
 885 #define KVM_CAP_ARM_MTE 205
 886 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
 887 #define KVM_CAP_VM_GPA_BITS 207
 888 #define KVM_CAP_XSAVE2 208
 889 #define KVM_CAP_SYS_ATTRIBUTES 209
 890 #define KVM_CAP_PPC_AIL_MODE_3 210
 891 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
 892 #define KVM_CAP_PMU_CAPABILITY 212
 893 #define KVM_CAP_DISABLE_QUIRKS2 213
 894 #define KVM_CAP_VM_TSC_CONTROL 214
 895 #define KVM_CAP_SYSTEM_EVENT_DATA 215
 896 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
 897 #define KVM_CAP_S390_PROTECTED_DUMP 217
 898 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
 899 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
 900 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
 901 #define KVM_CAP_S390_ZPCI_OP 221
 902 #define KVM_CAP_S390_CPU_TOPOLOGY 222
 903 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
 904 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
 905 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
 906 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
 907 #define KVM_CAP_COUNTER_OFFSET 227
 908 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
 909 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
 910 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
 911 #define KVM_CAP_USER_MEMORY2 231
 912 #define KVM_CAP_MEMORY_FAULT_INFO 232
 913 #define KVM_CAP_MEMORY_ATTRIBUTES 233
 914 #define KVM_CAP_GUEST_MEMFD 234
 915 #define KVM_CAP_VM_TYPES 235
 916
 917 struct kvm_irq_routing_irqchip {
 918         __u32 irqchip;
 919         __u32 pin;
 920 };
 921
 922 struct kvm_irq_routing_msi {
 923         __u32 address_lo;
 924         __u32 address_hi;
 925         __u32 data;
 926         union {
 927                 __u32 pad;
 928                 __u32 devid;
 929         };
 930 };
 931
 932 struct kvm_irq_routing_s390_adapter {
 933         __u64 ind_addr;
 934         __u64 summary_addr;
 935         __u64 ind_offset;
 936         __u32 summary_offset;
 937         __u32 adapter_id;
 938 };
 939
 940 struct kvm_irq_routing_hv_sint {
 941         __u32 vcpu;
 942         __u32 sint;
 943 };
 944
 945 struct kvm_irq_routing_xen_evtchn {
 946         __u32 port;
 947         __u32 vcpu;
 948         __u32 priority;
 949 };
 950
 951 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
 952
 953 /* gsi routing entry types */
 954 #define KVM_IRQ_ROUTING_IRQCHIP 1
 955 #define KVM_IRQ_ROUTING_MSI 2
 956 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
 957 #define KVM_IRQ_ROUTING_HV_SINT 4
 958 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
 959
 960 struct kvm_irq_routing_entry {
 961         __u32 gsi;
 962         __u32 type;
 963         __u32 flags;
 964         __u32 pad;
 965         union {
 966                 struct kvm_irq_routing_irqchip irqchip;
 967                 struct kvm_irq_routing_msi msi;
 968                 struct kvm_irq_routing_s390_adapter adapter;
 969                 struct kvm_irq_routing_hv_sint hv_sint;
 970                 struct kvm_irq_routing_xen_evtchn xen_evtchn;
 971                 __u32 pad[8];
 972         } u;
 973 };
 974
 975 struct kvm_irq_routing {
 976         __u32 nr;
 977         __u32 flags;
 978         struct kvm_irq_routing_entry entries[];
 979 };
 980
 981 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
 982 /*
 983  * Available with KVM_CAP_IRQFD_RESAMPLE
 984  *
 985  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
 986  * the irqfd to operate in resampling mode for level triggered interrupt
 987  * emulation.  See Documentation/virt/kvm/api.rst.
 988  */
 989 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
 990
 991 struct kvm_irqfd {
 992         __u32 fd;
 993         __u32 gsi;
 994         __u32 flags;
 995         __u32 resamplefd;
 996         __u8  pad[16];
 997 };
 998
 999 /* For KVM_CAP_ADJUST_CLOCK */
1000
1001 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1002 #define KVM_CLOCK_TSC_STABLE            2
1003 #define KVM_CLOCK_REALTIME              (1 << 2)
1004 #define KVM_CLOCK_HOST_TSC              (1 << 3)
1005
1006 struct kvm_clock_data {
1007         __u64 clock;
1008         __u32 flags;
1009         __u32 pad0;
1010         __u64 realtime;
1011         __u64 host_tsc;
1012         __u32 pad[4];
1013 };
1014
1015 /* For KVM_CAP_SW_TLB */
1016
1017 #define KVM_MMU_FSL_BOOKE_NOHV          0
1018 #define KVM_MMU_FSL_BOOKE_HV            1
1019
1020 struct kvm_config_tlb {
1021         __u64 params;
1022         __u64 array;
1023         __u32 mmu_type;
1024         __u32 array_len;
1025 };
1026
1027 struct kvm_dirty_tlb {
1028         __u64 bitmap;
1029         __u32 num_dirty;
1030 };
1031
1032 /* Available with KVM_CAP_ONE_REG */
1033
1034 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1035 #define KVM_REG_GENERIC         0x0000000000000000ULL
1036
1037 /*
1038  * Architecture specific registers are to be defined in arch headers and
1039  * ORed with the arch identifier.
1040  */
1041 #define KVM_REG_PPC             0x1000000000000000ULL
1042 #define KVM_REG_X86             0x2000000000000000ULL
1043 #define KVM_REG_IA64            0x3000000000000000ULL
1044 #define KVM_REG_ARM             0x4000000000000000ULL
1045 #define KVM_REG_S390            0x5000000000000000ULL
1046 #define KVM_REG_ARM64           0x6000000000000000ULL
1047 #define KVM_REG_MIPS            0x7000000000000000ULL
1048 #define KVM_REG_RISCV           0x8000000000000000ULL
1049 #define KVM_REG_LOONGARCH       0x9000000000000000ULL
1050
1051 #define KVM_REG_SIZE_SHIFT      52
1052 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1053 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
1054 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
1055 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
1056 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
1057 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
1058 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
1059 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
1060 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1061 #define KVM_REG_SIZE_U2048      0x0080000000000000ULL
1062
1063 struct kvm_reg_list {
1064         __u64 n; /* number of regs */
1065         __u64 reg[];
1066 };
1067
1068 struct kvm_one_reg {
1069         __u64 id;
1070         __u64 addr;
1071 };
1072
1073 #define KVM_MSI_VALID_DEVID     (1U << 0)
1074 struct kvm_msi {
1075         __u32 address_lo;
1076         __u32 address_hi;
1077         __u32 data;
1078         __u32 flags;
1079         __u32 devid;
1080         __u8  pad[12];
1081 };
1082
1083 struct kvm_arm_device_addr {
1084         __u64 id;
1085         __u64 addr;
1086 };
1087
1088 /*
1089  * Device control API, available with KVM_CAP_DEVICE_CTRL
1090  */
1091 #define KVM_CREATE_DEVICE_TEST          1
1092
1093 struct kvm_create_device {
1094         __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1095         __u32   fd;     /* out: device handle */
1096         __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1097 };
1098
1099 struct kvm_device_attr {
1100         __u32   flags;          /* no flags currently defined */
1101         __u32   group;          /* device-defined */
1102         __u64   attr;           /* group-defined */
1103         __u64   addr;           /* userspace address of attr data */
1104 };
1105
1106 #define  KVM_DEV_VFIO_FILE                      1
1107
1108 #define   KVM_DEV_VFIO_FILE_ADD                 1
1109 #define   KVM_DEV_VFIO_FILE_DEL                 2
1110
1111 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1112 #define  KVM_DEV_VFIO_GROUP     KVM_DEV_VFIO_FILE
1113
1114 #define   KVM_DEV_VFIO_GROUP_ADD        KVM_DEV_VFIO_FILE_ADD
1115 #define   KVM_DEV_VFIO_GROUP_DEL        KVM_DEV_VFIO_FILE_DEL
1116 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1117
1118 enum kvm_device_type {
1119         KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1120 #define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1121         KVM_DEV_TYPE_FSL_MPIC_42,
1122 #define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1123         KVM_DEV_TYPE_XICS,
1124 #define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1125         KVM_DEV_TYPE_VFIO,
1126 #define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1127         KVM_DEV_TYPE_ARM_VGIC_V2,
1128 #define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1129         KVM_DEV_TYPE_FLIC,
1130 #define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1131         KVM_DEV_TYPE_ARM_VGIC_V3,
1132 #define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1133         KVM_DEV_TYPE_ARM_VGIC_ITS,
1134 #define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1135         KVM_DEV_TYPE_XIVE,
1136 #define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
1137         KVM_DEV_TYPE_ARM_PV_TIME,
1138 #define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
1139         KVM_DEV_TYPE_RISCV_AIA,
1140 #define KVM_DEV_TYPE_RISCV_AIA          KVM_DEV_TYPE_RISCV_AIA
1141         KVM_DEV_TYPE_MAX,
1142 };
1143
1144 struct kvm_vfio_spapr_tce {
1145         __s32   groupfd;
1146         __s32   tablefd;
1147 };
1148
1149 /*
1150  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1151  * a vcpu fd.
1152  */
1153 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1154 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1155 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1156 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)  /* deprecated */
1157 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1158                                         struct kvm_userspace_memory_region)
1159 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1160 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1161 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
1162                                          struct kvm_userspace_memory_region2)
1163
1164 /* enable ucontrol for s390 */
1165 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1166 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1167 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1168
1169 /* Device model IOC */
1170 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1171 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1172 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1173 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1174 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1175 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1176 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1177 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1178 #define KVM_REGISTER_COALESCED_MMIO \
1179                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1180 #define KVM_UNREGISTER_COALESCED_MMIO \
1181                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1182 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1183 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1184 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1185 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1186 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1187 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1188 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1189 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1190 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1191 /* Available with KVM_CAP_PIT_STATE2 */
1192 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1193 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1194 /* Available with KVM_CAP_PPC_GET_PVINFO */
1195 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1196 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1197 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1198 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1199 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1200 /* Available with KVM_CAP_SIGNAL_MSI */
1201 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1202 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1203 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1204 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1205 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1206 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1207 #define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1208                                        struct kvm_create_spapr_tce_64)
1209 /* Available with KVM_CAP_RMA */
1210 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1211 /* Available with KVM_CAP_PPC_HTAB_FD */
1212 #define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1213 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1214 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1215 /* Available with KVM_CAP_PPC_RTAS */
1216 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1217 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1218 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1219 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1220 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1221 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1222 /* Available with KVM_CAP_PPC_RADIX_MMU */
1223 #define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1224 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1225 #define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1226 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1227 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1228 #define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
1229 #define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1230 /* Available with KVM_CAP_COUNTER_OFFSET */
1231 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct kvm_arm_counter_offset)
1232 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct reg_mask_range)
1233
1234 /* ioctl for vm fd */
1235 #define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1236
1237 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1238 #define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1239 #define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1240 #define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1241
1242 /*
1243  * ioctls for vcpu fds
1244  */
1245 #define KVM_RUN                   _IO(KVMIO,   0x80)
1246 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1247 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1248 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1249 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1250 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1251 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1252 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1253 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1254 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1255 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1256 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1257 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1258 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1259 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1260 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1261 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1262 /* Available with KVM_CAP_VAPIC */
1263 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1264 /* Available with KVM_CAP_VAPIC */
1265 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1266 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1267 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1268 /* store status for s390 */
1269 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1270 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1271 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1272 /* initial ipl psw for s390 */
1273 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1274 /* initial reset for s390 */
1275 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1276 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1277 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1278 /* Available with KVM_CAP_USER_NMI */
1279 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1280 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1281 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1282 /* MCE for x86 */
1283 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1284 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1285 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1286 /* Available with KVM_CAP_VCPU_EVENTS */
1287 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1288 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1289 /* Available with KVM_CAP_DEBUGREGS */
1290 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1291 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1292 /*
1293  * vcpu version available with KVM_CAP_ENABLE_CAP
1294  * vm version available with KVM_CAP_ENABLE_CAP_VM
1295  */
1296 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1297 /* Available with KVM_CAP_XSAVE */
1298 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1299 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1300 /* Available with KVM_CAP_XCRS */
1301 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1302 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1303 /* Available with KVM_CAP_SW_TLB */
1304 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1305 /* Available with KVM_CAP_ONE_REG */
1306 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1307 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1308 /* VM is being stopped by host */
1309 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1310 #define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1311 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1312 #define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1313 /* Available with KVM_CAP_S390_MEM_OP */
1314 #define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1315 /* Available with KVM_CAP_S390_SKEYS */
1316 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1317 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1318 /* Available with KVM_CAP_S390_INJECT_IRQ */
1319 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1320 /* Available with KVM_CAP_S390_IRQ_STATE */
1321 #define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1322 #define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1323 /* Available with KVM_CAP_X86_SMM */
1324 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1325 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1326 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1327 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1328 /* Memory Encryption Commands */
1329 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1330
1331 struct kvm_enc_region {
1332         __u64 addr;
1333         __u64 size;
1334 };
1335
1336 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1337 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1338
1339 /* Available with KVM_CAP_HYPERV_EVENTFD */
1340 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1341
1342 /* Available with KVM_CAP_NESTED_STATE */
1343 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1344 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1345
1346 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1347 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1348
1349 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1350 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1351
1352 /* Available with KVM_CAP_ARM_SVE */
1353 #define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1354
1355 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1356 #define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1357 #define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1358
1359 /* Available with KVM_CAP_S390_PROTECTED */
1360 #define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1361
1362 /* Available with KVM_CAP_X86_MSR_FILTER */
1363 #define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1364
1365 /* Available with KVM_CAP_DIRTY_LOG_RING */
1366 #define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)
1367
1368 /* Per-VM Xen attributes */
1369 #define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1370 #define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1371
1372 /* Per-vCPU Xen attributes */
1373 #define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1374 #define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1375
1376 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1377 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1378
1379 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1380 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1381
1382 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
1383 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
1384
1385 /*
1386  * Arch needs to define the macro after implementing the dirty ring
1387  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1388  * starting page offset of the dirty ring structures.
1389  */
1390 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1391 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1392 #endif
1393
1394 /*
1395  * KVM dirty GFN flags, defined as:
1396  *
1397  * |---------------+---------------+--------------|
1398  * | bit 1 (reset) | bit 0 (dirty) | Status       |
1399  * |---------------+---------------+--------------|
1400  * |             0 |             0 | Invalid GFN  |
1401  * |             0 |             1 | Dirty GFN    |
1402  * |             1 |             X | GFN to reset |
1403  * |---------------+---------------+--------------|
1404  *
1405  * Lifecycle of a dirty GFN goes like:
1406  *
1407  *      dirtied         harvested        reset
1408  * 00 -----------> 01 -------------> 1X -------+
1409  *  ^                                          |
1410  *  |                                          |
1411  *  +------------------------------------------+
1412  *
1413  * The userspace program is only responsible for the 01->1X state
1414  * conversion after harvesting an entry.  Also, it must not skip any
1415  * dirty bits, so that dirty bits are always harvested in sequence.
1416  */
1417 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
1418 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
1419 #define KVM_DIRTY_GFN_F_MASK            0x3
1420
1421 /*
1422  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1423  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
1424  * size of the gfn buffer is decided by the first argument when
1425  * enabling KVM_CAP_DIRTY_LOG_RING.
1426  */
1427 struct kvm_dirty_gfn {
1428         __u32 flags;
1429         __u32 slot;
1430         __u64 offset;
1431 };
1432
1433 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
1434 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
1435
1436 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
1437
1438 /**
1439  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1440  * @flags: Some extra information for header, always 0 for now.
1441  * @name_size: The size in bytes of the memory which contains statistics
1442  *             name string including trailing '\0'. The memory is allocated
1443  *             at the send of statistics descriptor.
1444  * @num_desc: The number of statistics the vm or vcpu has.
1445  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1446  *             by vm/vcpu stats fd.
1447  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1448  *               pointd by vm/vcpu stats fd.
1449  * @data_offset: The offset of the vm/vcpu stats' data block in the file
1450  *               pointed by vm/vcpu stats fd.
1451  *
1452  * This is the header userspace needs to read from stats fd before any other
1453  * readings. It is used by userspace to discover all the information about the
1454  * vm/vcpu's binary statistics.
1455  * Userspace reads this header from the start of the vm/vcpu's stats fd.
1456  */
1457 struct kvm_stats_header {
1458         __u32 flags;
1459         __u32 name_size;
1460         __u32 num_desc;
1461         __u32 id_offset;
1462         __u32 desc_offset;
1463         __u32 data_offset;
1464 };
1465
1466 #define KVM_STATS_TYPE_SHIFT            0
1467 #define KVM_STATS_TYPE_MASK             (0xF << KVM_STATS_TYPE_SHIFT)
1468 #define KVM_STATS_TYPE_CUMULATIVE       (0x0 << KVM_STATS_TYPE_SHIFT)
1469 #define KVM_STATS_TYPE_INSTANT          (0x1 << KVM_STATS_TYPE_SHIFT)
1470 #define KVM_STATS_TYPE_PEAK             (0x2 << KVM_STATS_TYPE_SHIFT)
1471 #define KVM_STATS_TYPE_LINEAR_HIST      (0x3 << KVM_STATS_TYPE_SHIFT)
1472 #define KVM_STATS_TYPE_LOG_HIST         (0x4 << KVM_STATS_TYPE_SHIFT)
1473 #define KVM_STATS_TYPE_MAX              KVM_STATS_TYPE_LOG_HIST
1474
1475 #define KVM_STATS_UNIT_SHIFT            4
1476 #define KVM_STATS_UNIT_MASK             (0xF << KVM_STATS_UNIT_SHIFT)
1477 #define KVM_STATS_UNIT_NONE             (0x0 << KVM_STATS_UNIT_SHIFT)
1478 #define KVM_STATS_UNIT_BYTES            (0x1 << KVM_STATS_UNIT_SHIFT)
1479 #define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
1480 #define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
1481 #define KVM_STATS_UNIT_BOOLEAN          (0x4 << KVM_STATS_UNIT_SHIFT)
1482 #define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_BOOLEAN
1483
1484 #define KVM_STATS_BASE_SHIFT            8
1485 #define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)
1486 #define KVM_STATS_BASE_POW10            (0x0 << KVM_STATS_BASE_SHIFT)
1487 #define KVM_STATS_BASE_POW2             (0x1 << KVM_STATS_BASE_SHIFT)
1488 #define KVM_STATS_BASE_MAX              KVM_STATS_BASE_POW2
1489
1490 /**
1491  * struct kvm_stats_desc - Descriptor of a KVM statistics.
1492  * @flags: Annotations of the stats, like type, unit, etc.
1493  * @exponent: Used together with @flags to determine the unit.
1494  * @size: The number of data items for this stats.
1495  *        Every data item is of type __u64.
1496  * @offset: The offset of the stats to the start of stat structure in
1497  *          structure kvm or kvm_vcpu.
1498  * @bucket_size: A parameter value used for histogram stats. It is only used
1499  *              for linear histogram stats, specifying the size of the bucket;
1500  * @name: The name string for the stats. Its size is indicated by the
1501  *        &kvm_stats_header->name_size.
1502  */
1503 struct kvm_stats_desc {
1504         __u32 flags;
1505         __s16 exponent;
1506         __u16 size;
1507         __u32 offset;
1508         __u32 bucket_size;
1509         char name[];
1510 };
1511
1512 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
1513
1514 /* Available with KVM_CAP_XSAVE2 */
1515 #define KVM_GET_XSAVE2            _IOR(KVMIO,  0xcf, struct kvm_xsave)
1516
1517 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
1518 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
1519
1520 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
1521 #define KVM_X86_NOTIFY_VMEXIT_ENABLED           (1ULL << 0)
1522 #define KVM_X86_NOTIFY_VMEXIT_USER              (1ULL << 1)
1523
1524 /* Available with KVM_CAP_S390_ZPCI_OP */
1525 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
1526
1527 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */
1528 #define KVM_SET_MEMORY_ATTRIBUTES              _IOW(KVMIO,  0xd2, struct kvm_memory_attributes)
1529
1530 struct kvm_memory_attributes {
1531         __u64 address;
1532         __u64 size;
1533         __u64 attributes;
1534         __u64 flags;
1535 };
1536
1537 #define KVM_MEMORY_ATTRIBUTE_PRIVATE           (1ULL << 3)
1538
1539 #define KVM_CREATE_GUEST_MEMFD  _IOWR(KVMIO,  0xd4, struct kvm_create_guest_memfd)
1540
1541 struct kvm_create_guest_memfd {
1542         __u64 size;
1543         __u64 flags;
1544         __u64 reserved[6];
1545 };
1546
1547 #endif /* __LINUX_KVM_H */