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 /* *** Deprecated interfaces *** */
  20
  21 #define KVM_TRC_SHIFT           16
  22
  23 #define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
  24 #define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
  25
  26 #define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
  27 #define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
  28 #define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
  29
  30 #define KVM_TRC_HEAD_SIZE       12
  31 #define KVM_TRC_CYCLE_SIZE      8
  32 #define KVM_TRC_EXTRA_MAX       7
  33
  34 #define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
  35 #define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
  36 #define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
  37 #define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
  38 #define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
  39 #define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
  40 #define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
  41 #define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
  42 #define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
  43 #define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
  44 #define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
  45 #define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
  46 #define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
  47 #define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
  48 #define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
  49 #define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
  50 #define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
  51 #define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
  52 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
  53 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
  54 #define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
  55 #define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
  56 #define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
  57 #define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
  58
  59 struct kvm_user_trace_setup {
  60         __u32 buf_size;
  61         __u32 buf_nr;
  62 };
  63
  64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
  65         _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
  66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
  67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
  68
  69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
  70
  71 struct kvm_breakpoint {
  72         __u32 enabled;
  73         __u32 padding;
  74         __u64 address;
  75 };
  76
  77 struct kvm_debug_guest {
  78         __u32 enabled;
  79         __u32 pad;
  80         struct kvm_breakpoint breakpoints[4];
  81         __u32 singlestep;
  82 };
  83
  84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
  85
  86 /* *** End of deprecated interfaces *** */
  87
  88
  89 /* for KVM_SET_USER_MEMORY_REGION */
  90 struct kvm_userspace_memory_region {
  91         __u32 slot;
  92         __u32 flags;
  93         __u64 guest_phys_addr;
  94         __u64 memory_size; /* bytes */
  95         __u64 userspace_addr; /* start of the userspace allocated memory */
  96 };
  97
  98 /*
  99  * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
 100  * userspace, other bits are reserved for kvm internal use which are defined
 101  * in include/linux/kvm_host.h.
 102  */
 103 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
 104 #define KVM_MEM_READONLY        (1UL << 1)
 105
 106 /* for KVM_IRQ_LINE */
 107 struct kvm_irq_level {
 108         /*
 109          * ACPI gsi notion of irq.
 110          * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
 111          * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
 112          * For ARM: See Documentation/virt/kvm/api.rst
 113          */
 114         union {
 115                 __u32 irq;
 116                 __s32 status;
 117         };
 118         __u32 level;
 119 };
 120
 121
 122 struct kvm_irqchip {
 123         __u32 chip_id;
 124         __u32 pad;
 125         union {
 126                 char dummy[512];  /* reserving space */
 127 #ifdef __KVM_HAVE_PIT
 128                 struct kvm_pic_state pic;
 129 #endif
 130 #ifdef __KVM_HAVE_IOAPIC
 131                 struct kvm_ioapic_state ioapic;
 132 #endif
 133         } chip;
 134 };
 135
 136 /* for KVM_CREATE_PIT2 */
 137 struct kvm_pit_config {
 138         __u32 flags;
 139         __u32 pad[15];
 140 };
 141
 142 #define KVM_PIT_SPEAKER_DUMMY     1
 143
 144 struct kvm_s390_skeys {
 145         __u64 start_gfn;
 146         __u64 count;
 147         __u64 skeydata_addr;
 148         __u32 flags;
 149         __u32 reserved[9];
 150 };
 151
 152 #define KVM_S390_CMMA_PEEK (1 << 0)
 153
 154 /**
 155  * kvm_s390_cmma_log - Used for CMMA migration.
 156  *
 157  * Used both for input and output.
 158  *
 159  * @start_gfn: Guest page number to start from.
 160  * @count: Size of the result buffer.
 161  * @flags: Control operation mode via KVM_S390_CMMA_* flags
 162  * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
 163  *             pages are still remaining.
 164  * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
 165  *        in the PGSTE.
 166  * @values: Pointer to the values buffer.
 167  *
 168  * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
 169  */
 170 struct kvm_s390_cmma_log {
 171         __u64 start_gfn;
 172         __u32 count;
 173         __u32 flags;
 174         union {
 175                 __u64 remaining;
 176                 __u64 mask;
 177         };
 178         __u64 values;
 179 };
 180
 181 struct kvm_hyperv_exit {
 182 #define KVM_EXIT_HYPERV_SYNIC          1
 183 #define KVM_EXIT_HYPERV_HCALL          2
 184 #define KVM_EXIT_HYPERV_SYNDBG         3
 185         __u32 type;
 186         __u32 pad1;
 187         union {
 188                 struct {
 189                         __u32 msr;
 190                         __u32 pad2;
 191                         __u64 control;
 192                         __u64 evt_page;
 193                         __u64 msg_page;
 194                 } synic;
 195                 struct {
 196                         __u64 input;
 197                         __u64 result;
 198                         __u64 params[2];
 199                 } hcall;
 200                 struct {
 201                         __u32 msr;
 202                         __u32 pad2;
 203                         __u64 control;
 204                         __u64 status;
 205                         __u64 send_page;
 206                         __u64 recv_page;
 207                         __u64 pending_page;
 208                 } syndbg;
 209         } u;
 210 };
 211
 212 struct kvm_xen_exit {
 213 #define KVM_EXIT_XEN_HCALL          1
 214         __u32 type;
 215         union {
 216                 struct {
 217                         __u32 longmode;
 218                         __u32 cpl;
 219                         __u64 input;
 220                         __u64 result;
 221                         __u64 params[6];
 222                 } hcall;
 223         } u;
 224 };
 225
 226 #define KVM_S390_GET_SKEYS_NONE   1
 227 #define KVM_S390_SKEYS_MAX        1048576
 228
 229 #define KVM_EXIT_UNKNOWN          0
 230 #define KVM_EXIT_EXCEPTION        1
 231 #define KVM_EXIT_IO               2
 232 #define KVM_EXIT_HYPERCALL        3
 233 #define KVM_EXIT_DEBUG            4
 234 #define KVM_EXIT_HLT              5
 235 #define KVM_EXIT_MMIO             6
 236 #define KVM_EXIT_IRQ_WINDOW_OPEN  7
 237 #define KVM_EXIT_SHUTDOWN         8
 238 #define KVM_EXIT_FAIL_ENTRY       9
 239 #define KVM_EXIT_INTR             10
 240 #define KVM_EXIT_SET_TPR          11
 241 #define KVM_EXIT_TPR_ACCESS       12
 242 #define KVM_EXIT_S390_SIEIC       13
 243 #define KVM_EXIT_S390_RESET       14
 244 #define KVM_EXIT_DCR              15 /* deprecated */
 245 #define KVM_EXIT_NMI              16
 246 #define KVM_EXIT_INTERNAL_ERROR   17
 247 #define KVM_EXIT_OSI              18
 248 #define KVM_EXIT_PAPR_HCALL       19
 249 #define KVM_EXIT_S390_UCONTROL    20
 250 #define KVM_EXIT_WATCHDOG         21
 251 #define KVM_EXIT_S390_TSCH        22
 252 #define KVM_EXIT_EPR              23
 253 #define KVM_EXIT_SYSTEM_EVENT     24
 254 #define KVM_EXIT_S390_STSI        25
 255 #define KVM_EXIT_IOAPIC_EOI       26
 256 #define KVM_EXIT_HYPERV           27
 257 #define KVM_EXIT_ARM_NISV         28
 258 #define KVM_EXIT_X86_RDMSR        29
 259 #define KVM_EXIT_X86_WRMSR        30
 260 #define KVM_EXIT_DIRTY_RING_FULL  31
 261 #define KVM_EXIT_AP_RESET_HOLD    32
 262 #define KVM_EXIT_X86_BUS_LOCK     33
 263 #define KVM_EXIT_XEN              34
 264 #define KVM_EXIT_RISCV_SBI        35
 265 #define KVM_EXIT_RISCV_CSR        36
 266 #define KVM_EXIT_NOTIFY           37
 267 #define KVM_EXIT_LOONGARCH_IOCSR  38
 268
 269 /* For KVM_EXIT_INTERNAL_ERROR */
 270 /* Emulate instruction failed. */
 271 #define KVM_INTERNAL_ERROR_EMULATION    1
 272 /* Encounter unexpected simultaneous exceptions. */
 273 #define KVM_INTERNAL_ERROR_SIMUL_EX     2
 274 /* Encounter unexpected vm-exit due to delivery event. */
 275 #define KVM_INTERNAL_ERROR_DELIVERY_EV  3
 276 /* Encounter unexpected vm-exit reason */
 277 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON       4
 278
 279 /* Flags that describe what fields in emulation_failure hold valid data. */
 280 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
 281
 282 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
 283 struct kvm_run {
 284         /* in */
 285         __u8 request_interrupt_window;
 286         __u8 immediate_exit;
 287         __u8 padding1[6];
 288
 289         /* out */
 290         __u32 exit_reason;
 291         __u8 ready_for_interrupt_injection;
 292         __u8 if_flag;
 293         __u16 flags;
 294
 295         /* in (pre_kvm_run), out (post_kvm_run) */
 296         __u64 cr8;
 297         __u64 apic_base;
 298
 299 #ifdef __KVM_S390
 300         /* the processor status word for s390 */
 301         __u64 psw_mask; /* psw upper half */
 302         __u64 psw_addr; /* psw lower half */
 303 #endif
 304         union {
 305                 /* KVM_EXIT_UNKNOWN */
 306                 struct {
 307                         __u64 hardware_exit_reason;
 308                 } hw;
 309                 /* KVM_EXIT_FAIL_ENTRY */
 310                 struct {
 311                         __u64 hardware_entry_failure_reason;
 312                         __u32 cpu;
 313                 } fail_entry;
 314                 /* KVM_EXIT_EXCEPTION */
 315                 struct {
 316                         __u32 exception;
 317                         __u32 error_code;
 318                 } ex;
 319                 /* KVM_EXIT_IO */
 320                 struct {
 321 #define KVM_EXIT_IO_IN  0
 322 #define KVM_EXIT_IO_OUT 1
 323                         __u8 direction;
 324                         __u8 size; /* bytes */
 325                         __u16 port;
 326                         __u32 count;
 327                         __u64 data_offset; /* relative to kvm_run start */
 328                 } io;
 329                 /* KVM_EXIT_DEBUG */
 330                 struct {
 331                         struct kvm_debug_exit_arch arch;
 332                 } debug;
 333                 /* KVM_EXIT_MMIO */
 334                 struct {
 335                         __u64 phys_addr;
 336                         __u8  data[8];
 337                         __u32 len;
 338                         __u8  is_write;
 339                 } mmio;
 340                 /* KVM_EXIT_LOONGARCH_IOCSR */
 341                 struct {
 342                         __u64 phys_addr;
 343                         __u8  data[8];
 344                         __u32 len;
 345                         __u8  is_write;
 346                 } iocsr_io;
 347                 /* KVM_EXIT_HYPERCALL */
 348                 struct {
 349                         __u64 nr;
 350                         __u64 args[6];
 351                         __u64 ret;
 352
 353                         union {
 354                                 __u32 longmode;
 355                                 __u64 flags;
 356                         };
 357                 } hypercall;
 358                 /* KVM_EXIT_TPR_ACCESS */
 359                 struct {
 360                         __u64 rip;
 361                         __u32 is_write;
 362                         __u32 pad;
 363                 } tpr_access;
 364                 /* KVM_EXIT_S390_SIEIC */
 365                 struct {
 366                         __u8 icptcode;
 367                         __u16 ipa;
 368                         __u32 ipb;
 369                 } s390_sieic;
 370                 /* KVM_EXIT_S390_RESET */
 371 #define KVM_S390_RESET_POR       1
 372 #define KVM_S390_RESET_CLEAR     2
 373 #define KVM_S390_RESET_SUBSYSTEM 4
 374 #define KVM_S390_RESET_CPU_INIT  8
 375 #define KVM_S390_RESET_IPL       16
 376                 __u64 s390_reset_flags;
 377                 /* KVM_EXIT_S390_UCONTROL */
 378                 struct {
 379                         __u64 trans_exc_code;
 380                         __u32 pgm_code;
 381                 } s390_ucontrol;
 382                 /* KVM_EXIT_DCR (deprecated) */
 383                 struct {
 384                         __u32 dcrn;
 385                         __u32 data;
 386                         __u8  is_write;
 387                 } dcr;
 388                 /* KVM_EXIT_INTERNAL_ERROR */
 389                 struct {
 390                         __u32 suberror;
 391                         /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
 392                         __u32 ndata;
 393                         __u64 data[16];
 394                 } internal;
 395                 /*
 396                  * KVM_INTERNAL_ERROR_EMULATION
 397                  *
 398                  * "struct emulation_failure" is an overlay of "struct internal"
 399                  * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
 400                  * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
 401                  * sub-types, this struct is ABI!  It also needs to be backwards
 402                  * compatible with "struct internal".  Take special care that
 403                  * "ndata" is correct, that new fields are enumerated in "flags",
 404                  * and that each flag enumerates fields that are 64-bit aligned
 405                  * and sized (so that ndata+internal.data[] is valid/accurate).
 406                  *
 407                  * Space beyond the defined fields may be used to store arbitrary
 408                  * debug information relating to the emulation failure. It is
 409                  * accounted for in "ndata" but the format is unspecified and is
 410                  * not represented in "flags". Any such information is *not* ABI!
 411                  */
 412                 struct {
 413                         __u32 suberror;
 414                         __u32 ndata;
 415                         __u64 flags;
 416                         union {
 417                                 struct {
 418                                         __u8  insn_size;
 419                                         __u8  insn_bytes[15];
 420                                 };
 421                         };
 422                         /* Arbitrary debug data may follow. */
 423                 } emulation_failure;
 424                 /* KVM_EXIT_OSI */
 425                 struct {
 426                         __u64 gprs[32];
 427                 } osi;
 428                 /* KVM_EXIT_PAPR_HCALL */
 429                 struct {
 430                         __u64 nr;
 431                         __u64 ret;
 432                         __u64 args[9];
 433                 } papr_hcall;
 434                 /* KVM_EXIT_S390_TSCH */
 435                 struct {
 436                         __u16 subchannel_id;
 437                         __u16 subchannel_nr;
 438                         __u32 io_int_parm;
 439                         __u32 io_int_word;
 440                         __u32 ipb;
 441                         __u8 dequeued;
 442                 } s390_tsch;
 443                 /* KVM_EXIT_EPR */
 444                 struct {
 445                         __u32 epr;
 446                 } epr;
 447                 /* KVM_EXIT_SYSTEM_EVENT */
 448                 struct {
 449 #define KVM_SYSTEM_EVENT_SHUTDOWN       1
 450 #define KVM_SYSTEM_EVENT_RESET          2
 451 #define KVM_SYSTEM_EVENT_CRASH          3
 452 #define KVM_SYSTEM_EVENT_WAKEUP         4
 453 #define KVM_SYSTEM_EVENT_SUSPEND        5
 454 #define KVM_SYSTEM_EVENT_SEV_TERM       6
 455                         __u32 type;
 456                         __u32 ndata;
 457                         union {
 458                                 __u64 flags;
 459                                 __u64 data[16];
 460                         };
 461                 } system_event;
 462                 /* KVM_EXIT_S390_STSI */
 463                 struct {
 464                         __u64 addr;
 465                         __u8 ar;
 466                         __u8 reserved;
 467                         __u8 fc;
 468                         __u8 sel1;
 469                         __u16 sel2;
 470                 } s390_stsi;
 471                 /* KVM_EXIT_IOAPIC_EOI */
 472                 struct {
 473                         __u8 vector;
 474                 } eoi;
 475                 /* KVM_EXIT_HYPERV */
 476                 struct kvm_hyperv_exit hyperv;
 477                 /* KVM_EXIT_ARM_NISV */
 478                 struct {
 479                         __u64 esr_iss;
 480                         __u64 fault_ipa;
 481                 } arm_nisv;
 482                 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
 483                 struct {
 484                         __u8 error; /* user -> kernel */
 485                         __u8 pad[7];
 486 #define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
 487 #define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
 488 #define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
 489 #define KVM_MSR_EXIT_REASON_VALID_MASK  (KVM_MSR_EXIT_REASON_INVAL   |  \
 490                                          KVM_MSR_EXIT_REASON_UNKNOWN |  \
 491                                          KVM_MSR_EXIT_REASON_FILTER)
 492                         __u32 reason; /* kernel -> user */
 493                         __u32 index; /* kernel -> user */
 494                         __u64 data; /* kernel <-> user */
 495                 } msr;
 496                 /* KVM_EXIT_XEN */
 497                 struct kvm_xen_exit xen;
 498                 /* KVM_EXIT_RISCV_SBI */
 499                 struct {
 500                         unsigned long extension_id;
 501                         unsigned long function_id;
 502                         unsigned long args[6];
 503                         unsigned long ret[2];
 504                 } riscv_sbi;
 505                 /* KVM_EXIT_RISCV_CSR */
 506                 struct {
 507                         unsigned long csr_num;
 508                         unsigned long new_value;
 509                         unsigned long write_mask;
 510                         unsigned long ret_value;
 511                 } riscv_csr;
 512                 /* KVM_EXIT_NOTIFY */
 513                 struct {
 514 #define KVM_NOTIFY_CONTEXT_INVALID      (1 << 0)
 515                         __u32 flags;
 516                 } notify;
 517                 /* Fix the size of the union. */
 518                 char padding[256];
 519         };
 520
 521         /* 2048 is the size of the char array used to bound/pad the size
 522          * of the union that holds sync regs.
 523          */
 524         #define SYNC_REGS_SIZE_BYTES 2048
 525         /*
 526          * shared registers between kvm and userspace.
 527          * kvm_valid_regs specifies the register classes set by the host
 528          * kvm_dirty_regs specified the register classes dirtied by userspace
 529          * struct kvm_sync_regs is architecture specific, as well as the
 530          * bits for kvm_valid_regs and kvm_dirty_regs
 531          */
 532         __u64 kvm_valid_regs;
 533         __u64 kvm_dirty_regs;
 534         union {
 535                 struct kvm_sync_regs regs;
 536                 char padding[SYNC_REGS_SIZE_BYTES];
 537         } s;
 538 };
 539
 540 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
 541
 542 struct kvm_coalesced_mmio_zone {
 543         __u64 addr;
 544         __u32 size;
 545         union {
 546                 __u32 pad;
 547                 __u32 pio;
 548         };
 549 };
 550
 551 struct kvm_coalesced_mmio {
 552         __u64 phys_addr;
 553         __u32 len;
 554         union {
 555                 __u32 pad;
 556                 __u32 pio;
 557         };
 558         __u8  data[8];
 559 };
 560
 561 struct kvm_coalesced_mmio_ring {
 562         __u32 first, last;
 563         struct kvm_coalesced_mmio coalesced_mmio[];
 564 };
 565
 566 #define KVM_COALESCED_MMIO_MAX \
 567         ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
 568          sizeof(struct kvm_coalesced_mmio))
 569
 570 /* for KVM_TRANSLATE */
 571 struct kvm_translation {
 572         /* in */
 573         __u64 linear_address;
 574
 575         /* out */
 576         __u64 physical_address;
 577         __u8  valid;
 578         __u8  writeable;
 579         __u8  usermode;
 580         __u8  pad[5];
 581 };
 582
 583 /* for KVM_S390_MEM_OP */
 584 struct kvm_s390_mem_op {
 585         /* in */
 586         __u64 gaddr;            /* the guest address */
 587         __u64 flags;            /* flags */
 588         __u32 size;             /* amount of bytes */
 589         __u32 op;               /* type of operation */
 590         __u64 buf;              /* buffer in userspace */
 591         union {
 592                 struct {
 593                         __u8 ar;        /* the access register number */
 594                         __u8 key;       /* access key, ignored if flag unset */
 595                         __u8 pad1[6];   /* ignored */
 596                         __u64 old_addr; /* ignored if cmpxchg flag unset */
 597                 };
 598                 __u32 sida_offset; /* offset into the sida */
 599                 __u8 reserved[32]; /* ignored */
 600         };
 601 };
 602 /* types for kvm_s390_mem_op->op */
 603 #define KVM_S390_MEMOP_LOGICAL_READ     0
 604 #define KVM_S390_MEMOP_LOGICAL_WRITE    1
 605 #define KVM_S390_MEMOP_SIDA_READ        2
 606 #define KVM_S390_MEMOP_SIDA_WRITE       3
 607 #define KVM_S390_MEMOP_ABSOLUTE_READ    4
 608 #define KVM_S390_MEMOP_ABSOLUTE_WRITE   5
 609 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
 610
 611 /* flags for kvm_s390_mem_op->flags */
 612 #define KVM_S390_MEMOP_F_CHECK_ONLY             (1ULL << 0)
 613 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION       (1ULL << 1)
 614 #define KVM_S390_MEMOP_F_SKEY_PROTECTION        (1ULL << 2)
 615
 616 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
 617 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE       (1 << 0)
 618 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG    (1 << 1)
 619
 620 /* for KVM_INTERRUPT */
 621 struct kvm_interrupt {
 622         /* in */
 623         __u32 irq;
 624 };
 625
 626 /* for KVM_GET_DIRTY_LOG */
 627 struct kvm_dirty_log {
 628         __u32 slot;
 629         __u32 padding1;
 630         union {
 631                 void *dirty_bitmap; /* one bit per page */
 632                 __u64 padding2;
 633         };
 634 };
 635
 636 /* for KVM_CLEAR_DIRTY_LOG */
 637 struct kvm_clear_dirty_log {
 638         __u32 slot;
 639         __u32 num_pages;
 640         __u64 first_page;
 641         union {
 642                 void *dirty_bitmap; /* one bit per page */
 643                 __u64 padding2;
 644         };
 645 };
 646
 647 /* for KVM_SET_SIGNAL_MASK */
 648 struct kvm_signal_mask {
 649         __u32 len;
 650         __u8  sigset[];
 651 };
 652
 653 /* for KVM_TPR_ACCESS_REPORTING */
 654 struct kvm_tpr_access_ctl {
 655         __u32 enabled;
 656         __u32 flags;
 657         __u32 reserved[8];
 658 };
 659
 660 /* for KVM_SET_VAPIC_ADDR */
 661 struct kvm_vapic_addr {
 662         __u64 vapic_addr;
 663 };
 664
 665 /* for KVM_SET_MP_STATE */
 666
 667 /* not all states are valid on all architectures */
 668 #define KVM_MP_STATE_RUNNABLE          0
 669 #define KVM_MP_STATE_UNINITIALIZED     1
 670 #define KVM_MP_STATE_INIT_RECEIVED     2
 671 #define KVM_MP_STATE_HALTED            3
 672 #define KVM_MP_STATE_SIPI_RECEIVED     4
 673 #define KVM_MP_STATE_STOPPED           5
 674 #define KVM_MP_STATE_CHECK_STOP        6
 675 #define KVM_MP_STATE_OPERATING         7
 676 #define KVM_MP_STATE_LOAD              8
 677 #define KVM_MP_STATE_AP_RESET_HOLD     9
 678 #define KVM_MP_STATE_SUSPENDED         10
 679
 680 struct kvm_mp_state {
 681         __u32 mp_state;
 682 };
 683
 684 struct kvm_s390_psw {
 685         __u64 mask;
 686         __u64 addr;
 687 };
 688
 689 /* valid values for type in kvm_s390_interrupt */
 690 #define KVM_S390_SIGP_STOP              0xfffe0000u
 691 #define KVM_S390_PROGRAM_INT            0xfffe0001u
 692 #define KVM_S390_SIGP_SET_PREFIX        0xfffe0002u
 693 #define KVM_S390_RESTART                0xfffe0003u
 694 #define KVM_S390_INT_PFAULT_INIT        0xfffe0004u
 695 #define KVM_S390_INT_PFAULT_DONE        0xfffe0005u
 696 #define KVM_S390_MCHK                   0xfffe1000u
 697 #define KVM_S390_INT_CLOCK_COMP         0xffff1004u
 698 #define KVM_S390_INT_CPU_TIMER          0xffff1005u
 699 #define KVM_S390_INT_VIRTIO             0xffff2603u
 700 #define KVM_S390_INT_SERVICE            0xffff2401u
 701 #define KVM_S390_INT_EMERGENCY          0xffff1201u
 702 #define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 703 /* Anything below 0xfffe0000u is taken by INT_IO */
 704 #define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
 705         (((schid)) |                           \
 706          ((ssid) << 16) |                      \
 707          ((cssid) << 18) |                     \
 708          ((ai) << 26))
 709 #define KVM_S390_INT_IO_MIN             0x00000000u
 710 #define KVM_S390_INT_IO_MAX             0xfffdffffu
 711 #define KVM_S390_INT_IO_AI_MASK         0x04000000u
 712
 713
 714 struct kvm_s390_interrupt {
 715         __u32 type;
 716         __u32 parm;
 717         __u64 parm64;
 718 };
 719
 720 struct kvm_s390_io_info {
 721         __u16 subchannel_id;
 722         __u16 subchannel_nr;
 723         __u32 io_int_parm;
 724         __u32 io_int_word;
 725 };
 726
 727 struct kvm_s390_ext_info {
 728         __u32 ext_params;
 729         __u32 pad;
 730         __u64 ext_params2;
 731 };
 732
 733 struct kvm_s390_pgm_info {
 734         __u64 trans_exc_code;
 735         __u64 mon_code;
 736         __u64 per_address;
 737         __u32 data_exc_code;
 738         __u16 code;
 739         __u16 mon_class_nr;
 740         __u8 per_code;
 741         __u8 per_atmid;
 742         __u8 exc_access_id;
 743         __u8 per_access_id;
 744         __u8 op_access_id;
 745 #define KVM_S390_PGM_FLAGS_ILC_VALID    0x01
 746 #define KVM_S390_PGM_FLAGS_ILC_0        0x02
 747 #define KVM_S390_PGM_FLAGS_ILC_1        0x04
 748 #define KVM_S390_PGM_FLAGS_ILC_MASK     0x06
 749 #define KVM_S390_PGM_FLAGS_NO_REWIND    0x08
 750         __u8 flags;
 751         __u8 pad[2];
 752 };
 753
 754 struct kvm_s390_prefix_info {
 755         __u32 address;
 756 };
 757
 758 struct kvm_s390_extcall_info {
 759         __u16 code;
 760 };
 761
 762 struct kvm_s390_emerg_info {
 763         __u16 code;
 764 };
 765
 766 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
 767 struct kvm_s390_stop_info {
 768         __u32 flags;
 769 };
 770
 771 struct kvm_s390_mchk_info {
 772         __u64 cr14;
 773         __u64 mcic;
 774         __u64 failing_storage_address;
 775         __u32 ext_damage_code;
 776         __u32 pad;
 777         __u8 fixed_logout[16];
 778 };
 779
 780 struct kvm_s390_irq {
 781         __u64 type;
 782         union {
 783                 struct kvm_s390_io_info io;
 784                 struct kvm_s390_ext_info ext;
 785                 struct kvm_s390_pgm_info pgm;
 786                 struct kvm_s390_emerg_info emerg;
 787                 struct kvm_s390_extcall_info extcall;
 788                 struct kvm_s390_prefix_info prefix;
 789                 struct kvm_s390_stop_info stop;
 790                 struct kvm_s390_mchk_info mchk;
 791                 char reserved[64];
 792         } u;
 793 };
 794
 795 struct kvm_s390_irq_state {
 796         __u64 buf;
 797         __u32 flags;        /* will stay unused for compatibility reasons */
 798         __u32 len;
 799         __u32 reserved[4];  /* will stay unused for compatibility reasons */
 800 };
 801
 802 /* for KVM_SET_GUEST_DEBUG */
 803
 804 #define KVM_GUESTDBG_ENABLE             0x00000001
 805 #define KVM_GUESTDBG_SINGLESTEP         0x00000002
 806
 807 struct kvm_guest_debug {
 808         __u32 control;
 809         __u32 pad;
 810         struct kvm_guest_debug_arch arch;
 811 };
 812
 813 enum {
 814         kvm_ioeventfd_flag_nr_datamatch,
 815         kvm_ioeventfd_flag_nr_pio,
 816         kvm_ioeventfd_flag_nr_deassign,
 817         kvm_ioeventfd_flag_nr_virtio_ccw_notify,
 818         kvm_ioeventfd_flag_nr_fast_mmio,
 819         kvm_ioeventfd_flag_nr_max,
 820 };
 821
 822 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
 823 #define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
 824 #define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
 825 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
 826         (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
 827
 828 #define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
 829
 830 struct kvm_ioeventfd {
 831         __u64 datamatch;
 832         __u64 addr;        /* legal pio/mmio address */
 833         __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
 834         __s32 fd;
 835         __u32 flags;
 836         __u8  pad[36];
 837 };
 838
 839 #define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
 840 #define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
 841 #define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
 842 #define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
 843 #define KVM_X86_DISABLE_VALID_EXITS          (KVM_X86_DISABLE_EXITS_MWAIT | \
 844                                               KVM_X86_DISABLE_EXITS_HLT | \
 845                                               KVM_X86_DISABLE_EXITS_PAUSE | \
 846                                               KVM_X86_DISABLE_EXITS_CSTATE)
 847
 848 /* for KVM_ENABLE_CAP */
 849 struct kvm_enable_cap {
 850         /* in */
 851         __u32 cap;
 852         __u32 flags;
 853         __u64 args[4];
 854         __u8  pad[64];
 855 };
 856
 857 /* for KVM_PPC_GET_PVINFO */
 858
 859 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE   (1<<0)
 860
 861 struct kvm_ppc_pvinfo {
 862         /* out */
 863         __u32 flags;
 864         __u32 hcall[4];
 865         __u8  pad[108];
 866 };
 867
 868 /* for KVM_PPC_GET_SMMU_INFO */
 869 #define KVM_PPC_PAGE_SIZES_MAX_SZ       8
 870
 871 struct kvm_ppc_one_page_size {
 872         __u32 page_shift;       /* Page shift (or 0) */
 873         __u32 pte_enc;          /* Encoding in the HPTE (>>12) */
 874 };
 875
 876 struct kvm_ppc_one_seg_page_size {
 877         __u32 page_shift;       /* Base page shift of segment (or 0) */
 878         __u32 slb_enc;          /* SLB encoding for BookS */
 879         struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
 880 };
 881
 882 #define KVM_PPC_PAGE_SIZES_REAL         0x00000001
 883 #define KVM_PPC_1T_SEGMENTS             0x00000002
 884 #define KVM_PPC_NO_HASH                 0x00000004
 885
 886 struct kvm_ppc_smmu_info {
 887         __u64 flags;
 888         __u32 slb_size;
 889         __u16 data_keys;        /* # storage keys supported for data */
 890         __u16 instr_keys;       /* # storage keys supported for instructions */
 891         struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
 892 };
 893
 894 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
 895 struct kvm_ppc_resize_hpt {
 896         __u64 flags;
 897         __u32 shift;
 898         __u32 pad;
 899 };
 900
 901 #define KVMIO 0xAE
 902
 903 /* machine type bits, to be used as argument to KVM_CREATE_VM */
 904 #define KVM_VM_S390_UCONTROL    1
 905
 906 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
 907 #define KVM_VM_PPC_HV 1
 908 #define KVM_VM_PPC_PR 2
 909
 910 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
 911 #define KVM_VM_MIPS_AUTO        0
 912 #define KVM_VM_MIPS_VZ          1
 913 #define KVM_VM_MIPS_TE          2
 914
 915 #define KVM_S390_SIE_PAGE_OFFSET 1
 916
 917 /*
 918  * On arm64, machine type can be used to request the physical
 919  * address size for the VM. Bits[7-0] are reserved for the guest
 920  * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 921  * value 0 implies the default IPA size, 40bits.
 922  */
 923 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
 924 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
 925         ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 926 /*
 927  * ioctls for /dev/kvm fds:
 928  */
 929 #define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
 930 #define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
 931 #define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
 932
 933 #define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
 934 /*
 935  * Check if a kvm extension is available.  Argument is extension number,
 936  * return is 1 (yes) or 0 (no, sorry).
 937  */
 938 #define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
 939 /*
 940  * Get size for mmap(vcpu_fd)
 941  */
 942 #define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
 943 #define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
 944 #define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
 945 #define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
 946 #define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
 947 #define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
 948 #define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
 949
 950 /*
 951  * Extension capability list.
 952  */
 953 #define KVM_CAP_IRQCHIP   0
 954 #define KVM_CAP_HLT       1
 955 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
 956 #define KVM_CAP_USER_MEMORY 3
 957 #define KVM_CAP_SET_TSS_ADDR 4
 958 #define KVM_CAP_VAPIC 6
 959 #define KVM_CAP_EXT_CPUID 7
 960 #define KVM_CAP_CLOCKSOURCE 8
 961 #define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
 962 #define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 963 #define KVM_CAP_PIT 11
 964 #define KVM_CAP_NOP_IO_DELAY 12
 965 #define KVM_CAP_PV_MMU 13
 966 #define KVM_CAP_MP_STATE 14
 967 #define KVM_CAP_COALESCED_MMIO 15
 968 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
 969 #define KVM_CAP_IOMMU 18
 970 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 971 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
 972 #define KVM_CAP_USER_NMI 22
 973 #ifdef __KVM_HAVE_GUEST_DEBUG
 974 #define KVM_CAP_SET_GUEST_DEBUG 23
 975 #endif
 976 #ifdef __KVM_HAVE_PIT
 977 #define KVM_CAP_REINJECT_CONTROL 24
 978 #endif
 979 #define KVM_CAP_IRQ_ROUTING 25
 980 #define KVM_CAP_IRQ_INJECT_STATUS 26
 981 #define KVM_CAP_ASSIGN_DEV_IRQ 29
 982 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
 983 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 984 #ifdef __KVM_HAVE_MCE
 985 #define KVM_CAP_MCE 31
 986 #endif
 987 #define KVM_CAP_IRQFD 32
 988 #ifdef __KVM_HAVE_PIT
 989 #define KVM_CAP_PIT2 33
 990 #endif
 991 #define KVM_CAP_SET_BOOT_CPU_ID 34
 992 #ifdef __KVM_HAVE_PIT_STATE2
 993 #define KVM_CAP_PIT_STATE2 35
 994 #endif
 995 #define KVM_CAP_IOEVENTFD 36
 996 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
 997 #ifdef __KVM_HAVE_XEN_HVM
 998 #define KVM_CAP_XEN_HVM 38
 999 #endif
1000 #define KVM_CAP_ADJUST_CLOCK 39
1001 #define KVM_CAP_INTERNAL_ERROR_DATA 40
1002 #ifdef __KVM_HAVE_VCPU_EVENTS
1003 #define KVM_CAP_VCPU_EVENTS 41
1004 #endif
1005 #define KVM_CAP_S390_PSW 42
1006 #define KVM_CAP_PPC_SEGSTATE 43
1007 #define KVM_CAP_HYPERV 44
1008 #define KVM_CAP_HYPERV_VAPIC 45
1009 #define KVM_CAP_HYPERV_SPIN 46
1010 #define KVM_CAP_PCI_SEGMENT 47
1011 #define KVM_CAP_PPC_PAIRED_SINGLES 48
1012 #define KVM_CAP_INTR_SHADOW 49
1013 #ifdef __KVM_HAVE_DEBUGREGS
1014 #define KVM_CAP_DEBUGREGS 50
1015 #endif
1016 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
1017 #define KVM_CAP_PPC_OSI 52
1018 #define KVM_CAP_PPC_UNSET_IRQ 53
1019 #define KVM_CAP_ENABLE_CAP 54
1020 #ifdef __KVM_HAVE_XSAVE
1021 #define KVM_CAP_XSAVE 55
1022 #endif
1023 #ifdef __KVM_HAVE_XCRS
1024 #define KVM_CAP_XCRS 56
1025 #endif
1026 #define KVM_CAP_PPC_GET_PVINFO 57
1027 #define KVM_CAP_PPC_IRQ_LEVEL 58
1028 #define KVM_CAP_ASYNC_PF 59
1029 #define KVM_CAP_TSC_CONTROL 60
1030 #define KVM_CAP_GET_TSC_KHZ 61
1031 #define KVM_CAP_PPC_BOOKE_SREGS 62
1032 #define KVM_CAP_SPAPR_TCE 63
1033 #define KVM_CAP_PPC_SMT 64
1034 #define KVM_CAP_PPC_RMA 65
1035 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
1036 #define KVM_CAP_PPC_HIOR 67
1037 #define KVM_CAP_PPC_PAPR 68
1038 #define KVM_CAP_SW_TLB 69
1039 #define KVM_CAP_ONE_REG 70
1040 #define KVM_CAP_S390_GMAP 71
1041 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1042 #define KVM_CAP_S390_UCONTROL 73
1043 #define KVM_CAP_SYNC_REGS 74
1044 #define KVM_CAP_PCI_2_3 75
1045 #define KVM_CAP_KVMCLOCK_CTRL 76
1046 #define KVM_CAP_SIGNAL_MSI 77
1047 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1048 #define KVM_CAP_S390_COW 79
1049 #define KVM_CAP_PPC_ALLOC_HTAB 80
1050 #define KVM_CAP_READONLY_MEM 81
1051 #define KVM_CAP_IRQFD_RESAMPLE 82
1052 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1053 #define KVM_CAP_PPC_HTAB_FD 84
1054 #define KVM_CAP_S390_CSS_SUPPORT 85
1055 #define KVM_CAP_PPC_EPR 86
1056 #define KVM_CAP_ARM_PSCI 87
1057 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1058 #define KVM_CAP_DEVICE_CTRL 89
1059 #define KVM_CAP_IRQ_MPIC 90
1060 #define KVM_CAP_PPC_RTAS 91
1061 #define KVM_CAP_IRQ_XICS 92
1062 #define KVM_CAP_ARM_EL1_32BIT 93
1063 #define KVM_CAP_SPAPR_MULTITCE 94
1064 #define KVM_CAP_EXT_EMUL_CPUID 95
1065 #define KVM_CAP_HYPERV_TIME 96
1066 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1067 #define KVM_CAP_ENABLE_CAP_VM 98
1068 #define KVM_CAP_S390_IRQCHIP 99
1069 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1070 #define KVM_CAP_VM_ATTRIBUTES 101
1071 #define KVM_CAP_ARM_PSCI_0_2 102
1072 #define KVM_CAP_PPC_FIXUP_HCALL 103
1073 #define KVM_CAP_PPC_ENABLE_HCALL 104
1074 #define KVM_CAP_CHECK_EXTENSION_VM 105
1075 #define KVM_CAP_S390_USER_SIGP 106
1076 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1077 #define KVM_CAP_S390_MEM_OP 108
1078 #define KVM_CAP_S390_USER_STSI 109
1079 #define KVM_CAP_S390_SKEYS 110
1080 #define KVM_CAP_MIPS_FPU 111
1081 #define KVM_CAP_MIPS_MSA 112
1082 #define KVM_CAP_S390_INJECT_IRQ 113
1083 #define KVM_CAP_S390_IRQ_STATE 114
1084 #define KVM_CAP_PPC_HWRNG 115
1085 #define KVM_CAP_DISABLE_QUIRKS 116
1086 #define KVM_CAP_X86_SMM 117
1087 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1088 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1089 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1090 #define KVM_CAP_SPLIT_IRQCHIP 121
1091 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1092 #define KVM_CAP_HYPERV_SYNIC 123
1093 #define KVM_CAP_S390_RI 124
1094 #define KVM_CAP_SPAPR_TCE_64 125
1095 #define KVM_CAP_ARM_PMU_V3 126
1096 #define KVM_CAP_VCPU_ATTRIBUTES 127
1097 #define KVM_CAP_MAX_VCPU_ID 128
1098 #define KVM_CAP_X2APIC_API 129
1099 #define KVM_CAP_S390_USER_INSTR0 130
1100 #define KVM_CAP_MSI_DEVID 131
1101 #define KVM_CAP_PPC_HTM 132
1102 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1103 #define KVM_CAP_PPC_MMU_RADIX 134
1104 #define KVM_CAP_PPC_MMU_HASH_V3 135
1105 #define KVM_CAP_IMMEDIATE_EXIT 136
1106 #define KVM_CAP_MIPS_VZ 137
1107 #define KVM_CAP_MIPS_TE 138
1108 #define KVM_CAP_MIPS_64BIT 139
1109 #define KVM_CAP_S390_GS 140
1110 #define KVM_CAP_S390_AIS 141
1111 #define KVM_CAP_SPAPR_TCE_VFIO 142
1112 #define KVM_CAP_X86_DISABLE_EXITS 143
1113 #define KVM_CAP_ARM_USER_IRQ 144
1114 #define KVM_CAP_S390_CMMA_MIGRATION 145
1115 #define KVM_CAP_PPC_FWNMI 146
1116 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1117 #define KVM_CAP_HYPERV_SYNIC2 148
1118 #define KVM_CAP_HYPERV_VP_INDEX 149
1119 #define KVM_CAP_S390_AIS_MIGRATION 150
1120 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1121 #define KVM_CAP_S390_BPB 152
1122 #define KVM_CAP_GET_MSR_FEATURES 153
1123 #define KVM_CAP_HYPERV_EVENTFD 154
1124 #define KVM_CAP_HYPERV_TLBFLUSH 155
1125 #define KVM_CAP_S390_HPAGE_1M 156
1126 #define KVM_CAP_NESTED_STATE 157
1127 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1128 #define KVM_CAP_MSR_PLATFORM_INFO 159
1129 #define KVM_CAP_PPC_NESTED_HV 160
1130 #define KVM_CAP_HYPERV_SEND_IPI 161
1131 #define KVM_CAP_COALESCED_PIO 162
1132 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1133 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1134 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1135 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1136 #define KVM_CAP_HYPERV_CPUID 167
1137 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1138 #define KVM_CAP_PPC_IRQ_XIVE 169
1139 #define KVM_CAP_ARM_SVE 170
1140 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1141 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1142 #define KVM_CAP_PMU_EVENT_FILTER 173
1143 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1144 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1145 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1146 #define KVM_CAP_ARM_NISV_TO_USER 177
1147 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1148 #define KVM_CAP_S390_VCPU_RESETS 179
1149 #define KVM_CAP_S390_PROTECTED 180
1150 #define KVM_CAP_PPC_SECURE_GUEST 181
1151 #define KVM_CAP_HALT_POLL 182
1152 #define KVM_CAP_ASYNC_PF_INT 183
1153 #define KVM_CAP_LAST_CPU 184
1154 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1155 #define KVM_CAP_S390_DIAG318 186
1156 #define KVM_CAP_STEAL_TIME 187
1157 #define KVM_CAP_X86_USER_SPACE_MSR 188
1158 #define KVM_CAP_X86_MSR_FILTER 189
1159 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1160 #define KVM_CAP_SYS_HYPERV_CPUID 191
1161 #define KVM_CAP_DIRTY_LOG_RING 192
1162 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1163 #define KVM_CAP_PPC_DAWR1 194
1164 #define KVM_CAP_SET_GUEST_DEBUG2 195
1165 #define KVM_CAP_SGX_ATTRIBUTE 196
1166 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1167 #define KVM_CAP_PTP_KVM 198
1168 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1169 #define KVM_CAP_SREGS2 200
1170 #define KVM_CAP_EXIT_HYPERCALL 201
1171 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1172 #define KVM_CAP_BINARY_STATS_FD 203
1173 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1174 #define KVM_CAP_ARM_MTE 205
1175 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1176 #define KVM_CAP_VM_GPA_BITS 207
1177 #define KVM_CAP_XSAVE2 208
1178 #define KVM_CAP_SYS_ATTRIBUTES 209
1179 #define KVM_CAP_PPC_AIL_MODE_3 210
1180 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1181 #define KVM_CAP_PMU_CAPABILITY 212
1182 #define KVM_CAP_DISABLE_QUIRKS2 213
1183 #define KVM_CAP_VM_TSC_CONTROL 214
1184 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1185 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1186 #define KVM_CAP_S390_PROTECTED_DUMP 217
1187 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1188 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1189 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1190 #define KVM_CAP_S390_ZPCI_OP 221
1191 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1192 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1193 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1194 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1195 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1196 #define KVM_CAP_COUNTER_OFFSET 227
1197 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
1198 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
1199 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
1200
1201 #ifdef KVM_CAP_IRQ_ROUTING
1202
1203 struct kvm_irq_routing_irqchip {
1204         __u32 irqchip;
1205         __u32 pin;
1206 };
1207
1208 struct kvm_irq_routing_msi {
1209         __u32 address_lo;
1210         __u32 address_hi;
1211         __u32 data;
1212         union {
1213                 __u32 pad;
1214                 __u32 devid;
1215         };
1216 };
1217
1218 struct kvm_irq_routing_s390_adapter {
1219         __u64 ind_addr;
1220         __u64 summary_addr;
1221         __u64 ind_offset;
1222         __u32 summary_offset;
1223         __u32 adapter_id;
1224 };
1225
1226 struct kvm_irq_routing_hv_sint {
1227         __u32 vcpu;
1228         __u32 sint;
1229 };
1230
1231 struct kvm_irq_routing_xen_evtchn {
1232         __u32 port;
1233         __u32 vcpu;
1234         __u32 priority;
1235 };
1236
1237 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1238
1239 /* gsi routing entry types */
1240 #define KVM_IRQ_ROUTING_IRQCHIP 1
1241 #define KVM_IRQ_ROUTING_MSI 2
1242 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1243 #define KVM_IRQ_ROUTING_HV_SINT 4
1244 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1245
1246 struct kvm_irq_routing_entry {
1247         __u32 gsi;
1248         __u32 type;
1249         __u32 flags;
1250         __u32 pad;
1251         union {
1252                 struct kvm_irq_routing_irqchip irqchip;
1253                 struct kvm_irq_routing_msi msi;
1254                 struct kvm_irq_routing_s390_adapter adapter;
1255                 struct kvm_irq_routing_hv_sint hv_sint;
1256                 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1257                 __u32 pad[8];
1258         } u;
1259 };
1260
1261 struct kvm_irq_routing {
1262         __u32 nr;
1263         __u32 flags;
1264         struct kvm_irq_routing_entry entries[];
1265 };
1266
1267 #endif
1268
1269 #ifdef KVM_CAP_MCE
1270 /* x86 MCE */
1271 struct kvm_x86_mce {
1272         __u64 status;
1273         __u64 addr;
1274         __u64 misc;
1275         __u64 mcg_status;
1276         __u8 bank;
1277         __u8 pad1[7];
1278         __u64 pad2[3];
1279 };
1280 #endif
1281
1282 #ifdef KVM_CAP_XEN_HVM
1283 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR        (1 << 0)
1284 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL      (1 << 1)
1285 #define KVM_XEN_HVM_CONFIG_SHARED_INFO          (1 << 2)
1286 #define KVM_XEN_HVM_CONFIG_RUNSTATE             (1 << 3)
1287 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL        (1 << 4)
1288 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND          (1 << 5)
1289 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
1290
1291 struct kvm_xen_hvm_config {
1292         __u32 flags;
1293         __u32 msr;
1294         __u64 blob_addr_32;
1295         __u64 blob_addr_64;
1296         __u8 blob_size_32;
1297         __u8 blob_size_64;
1298         __u8 pad2[30];
1299 };
1300 #endif
1301
1302 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1303 /*
1304  * Available with KVM_CAP_IRQFD_RESAMPLE
1305  *
1306  * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1307  * the irqfd to operate in resampling mode for level triggered interrupt
1308  * emulation.  See Documentation/virt/kvm/api.rst.
1309  */
1310 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1311
1312 struct kvm_irqfd {
1313         __u32 fd;
1314         __u32 gsi;
1315         __u32 flags;
1316         __u32 resamplefd;
1317         __u8  pad[16];
1318 };
1319
1320 /* For KVM_CAP_ADJUST_CLOCK */
1321
1322 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
1323 #define KVM_CLOCK_TSC_STABLE            2
1324 #define KVM_CLOCK_REALTIME              (1 << 2)
1325 #define KVM_CLOCK_HOST_TSC              (1 << 3)
1326
1327 struct kvm_clock_data {
1328         __u64 clock;
1329         __u32 flags;
1330         __u32 pad0;
1331         __u64 realtime;
1332         __u64 host_tsc;
1333         __u32 pad[4];
1334 };
1335
1336 /* For KVM_CAP_SW_TLB */
1337
1338 #define KVM_MMU_FSL_BOOKE_NOHV          0
1339 #define KVM_MMU_FSL_BOOKE_HV            1
1340
1341 struct kvm_config_tlb {
1342         __u64 params;
1343         __u64 array;
1344         __u32 mmu_type;
1345         __u32 array_len;
1346 };
1347
1348 struct kvm_dirty_tlb {
1349         __u64 bitmap;
1350         __u32 num_dirty;
1351 };
1352
1353 /* Available with KVM_CAP_ONE_REG */
1354
1355 #define KVM_REG_ARCH_MASK       0xff00000000000000ULL
1356 #define KVM_REG_GENERIC         0x0000000000000000ULL
1357
1358 /*
1359  * Architecture specific registers are to be defined in arch headers and
1360  * ORed with the arch identifier.
1361  */
1362 #define KVM_REG_PPC             0x1000000000000000ULL
1363 #define KVM_REG_X86             0x2000000000000000ULL
1364 #define KVM_REG_IA64            0x3000000000000000ULL
1365 #define KVM_REG_ARM             0x4000000000000000ULL
1366 #define KVM_REG_S390            0x5000000000000000ULL
1367 #define KVM_REG_ARM64           0x6000000000000000ULL
1368 #define KVM_REG_MIPS            0x7000000000000000ULL
1369 #define KVM_REG_RISCV           0x8000000000000000ULL
1370 #define KVM_REG_LOONGARCH       0x9000000000000000ULL
1371
1372 #define KVM_REG_SIZE_SHIFT      52
1373 #define KVM_REG_SIZE_MASK       0x00f0000000000000ULL
1374 #define KVM_REG_SIZE_U8         0x0000000000000000ULL
1375 #define KVM_REG_SIZE_U16        0x0010000000000000ULL
1376 #define KVM_REG_SIZE_U32        0x0020000000000000ULL
1377 #define KVM_REG_SIZE_U64        0x0030000000000000ULL
1378 #define KVM_REG_SIZE_U128       0x0040000000000000ULL
1379 #define KVM_REG_SIZE_U256       0x0050000000000000ULL
1380 #define KVM_REG_SIZE_U512       0x0060000000000000ULL
1381 #define KVM_REG_SIZE_U1024      0x0070000000000000ULL
1382 #define KVM_REG_SIZE_U2048      0x0080000000000000ULL
1383
1384 struct kvm_reg_list {
1385         __u64 n; /* number of regs */
1386         __u64 reg[];
1387 };
1388
1389 struct kvm_one_reg {
1390         __u64 id;
1391         __u64 addr;
1392 };
1393
1394 #define KVM_MSI_VALID_DEVID     (1U << 0)
1395 struct kvm_msi {
1396         __u32 address_lo;
1397         __u32 address_hi;
1398         __u32 data;
1399         __u32 flags;
1400         __u32 devid;
1401         __u8  pad[12];
1402 };
1403
1404 struct kvm_arm_device_addr {
1405         __u64 id;
1406         __u64 addr;
1407 };
1408
1409 /*
1410  * Device control API, available with KVM_CAP_DEVICE_CTRL
1411  */
1412 #define KVM_CREATE_DEVICE_TEST          1
1413
1414 struct kvm_create_device {
1415         __u32   type;   /* in: KVM_DEV_TYPE_xxx */
1416         __u32   fd;     /* out: device handle */
1417         __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
1418 };
1419
1420 struct kvm_device_attr {
1421         __u32   flags;          /* no flags currently defined */
1422         __u32   group;          /* device-defined */
1423         __u64   attr;           /* group-defined */
1424         __u64   addr;           /* userspace address of attr data */
1425 };
1426
1427 #define  KVM_DEV_VFIO_FILE                      1
1428
1429 #define   KVM_DEV_VFIO_FILE_ADD                 1
1430 #define   KVM_DEV_VFIO_FILE_DEL                 2
1431
1432 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1433 #define  KVM_DEV_VFIO_GROUP     KVM_DEV_VFIO_FILE
1434
1435 #define   KVM_DEV_VFIO_GROUP_ADD        KVM_DEV_VFIO_FILE_ADD
1436 #define   KVM_DEV_VFIO_GROUP_DEL        KVM_DEV_VFIO_FILE_DEL
1437 #define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3
1438
1439 enum kvm_device_type {
1440         KVM_DEV_TYPE_FSL_MPIC_20        = 1,
1441 #define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
1442         KVM_DEV_TYPE_FSL_MPIC_42,
1443 #define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
1444         KVM_DEV_TYPE_XICS,
1445 #define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
1446         KVM_DEV_TYPE_VFIO,
1447 #define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
1448         KVM_DEV_TYPE_ARM_VGIC_V2,
1449 #define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
1450         KVM_DEV_TYPE_FLIC,
1451 #define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
1452         KVM_DEV_TYPE_ARM_VGIC_V3,
1453 #define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
1454         KVM_DEV_TYPE_ARM_VGIC_ITS,
1455 #define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
1456         KVM_DEV_TYPE_XIVE,
1457 #define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
1458         KVM_DEV_TYPE_ARM_PV_TIME,
1459 #define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
1460         KVM_DEV_TYPE_RISCV_AIA,
1461 #define KVM_DEV_TYPE_RISCV_AIA          KVM_DEV_TYPE_RISCV_AIA
1462         KVM_DEV_TYPE_MAX,
1463 };
1464
1465 struct kvm_vfio_spapr_tce {
1466         __s32   groupfd;
1467         __s32   tablefd;
1468 };
1469
1470 /*
1471  * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1472  * a vcpu fd.
1473  */
1474 #define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
1475 #define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
1476 #define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
1477 #define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)  /* deprecated */
1478 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1479                                         struct kvm_userspace_memory_region)
1480 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
1481 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
1482
1483 /* enable ucontrol for s390 */
1484 struct kvm_s390_ucas_mapping {
1485         __u64 user_addr;
1486         __u64 vcpu_addr;
1487         __u64 length;
1488 };
1489 #define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1490 #define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1491 #define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
1492
1493 /* Device model IOC */
1494 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
1495 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
1496 #define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1497 #define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
1498 #define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
1499 #define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1500 #define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
1501 #define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1502 #define KVM_REGISTER_COALESCED_MMIO \
1503                         _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
1504 #define KVM_UNREGISTER_COALESCED_MMIO \
1505                         _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
1506 #define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
1507                                        struct kvm_assigned_pci_dev)
1508 #define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
1509 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1510 #define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
1511 #define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
1512 #define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
1513 #define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
1514                                        struct kvm_assigned_pci_dev)
1515 #define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
1516                                        struct kvm_assigned_msix_nr)
1517 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
1518                                        struct kvm_assigned_msix_entry)
1519 #define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
1520 #define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
1521 #define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
1522 #define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
1523 #define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
1524 #define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
1525 #define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
1526 #define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
1527 /* Available with KVM_CAP_PIT_STATE2 */
1528 #define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
1529 #define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
1530 /* Available with KVM_CAP_PPC_GET_PVINFO */
1531 #define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
1532 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1533 *  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1534 #define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
1535 #define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
1536 /* Available with KVM_CAP_PCI_2_3 */
1537 #define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
1538                                        struct kvm_assigned_pci_dev)
1539 /* Available with KVM_CAP_SIGNAL_MSI */
1540 #define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
1541 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1542 #define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
1543 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1544 #define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
1545 #define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
1546 #define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
1547                                        struct kvm_create_spapr_tce_64)
1548 /* Available with KVM_CAP_RMA */
1549 #define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
1550 /* Available with KVM_CAP_PPC_HTAB_FD */
1551 #define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
1552 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1553 #define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
1554 /* Available with KVM_CAP_PPC_RTAS */
1555 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
1556 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1557 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1558 #define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1559 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1560 #define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
1561 /* Available with KVM_CAP_PPC_RADIX_MMU */
1562 #define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
1563 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1564 #define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
1565 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1566 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
1567 #define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
1568 #define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
1569 /* Available with KVM_CAP_COUNTER_OFFSET */
1570 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct kvm_arm_counter_offset)
1571 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct reg_mask_range)
1572
1573 /* ioctl for vm fd */
1574 #define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)
1575
1576 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1577 #define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
1578 #define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
1579 #define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)
1580
1581 /*
1582  * ioctls for vcpu fds
1583  */
1584 #define KVM_RUN                   _IO(KVMIO,   0x80)
1585 #define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
1586 #define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
1587 #define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
1588 #define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
1589 #define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
1590 #define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
1591 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1592 #define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
1593 #define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
1594 #define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
1595 #define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
1596 #define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
1597 #define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
1598 #define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
1599 #define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
1600 #define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
1601 #define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
1602 #define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1603 /* Available with KVM_CAP_VAPIC */
1604 #define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1605 /* Available with KVM_CAP_VAPIC */
1606 #define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
1607 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1608 #define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
1609 /* store status for s390 */
1610 #define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
1611 #define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
1612 #define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
1613 /* initial ipl psw for s390 */
1614 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
1615 /* initial reset for s390 */
1616 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
1617 #define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
1618 #define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
1619 /* Available with KVM_CAP_USER_NMI */
1620 #define KVM_NMI                   _IO(KVMIO,   0x9a)
1621 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1622 #define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
1623 /* MCE for x86 */
1624 #define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
1625 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
1626 #define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
1627 /* Available with KVM_CAP_VCPU_EVENTS */
1628 #define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
1629 #define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
1630 /* Available with KVM_CAP_DEBUGREGS */
1631 #define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
1632 #define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
1633 /*
1634  * vcpu version available with KVM_CAP_ENABLE_CAP
1635  * vm version available with KVM_CAP_ENABLE_CAP_VM
1636  */
1637 #define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
1638 /* Available with KVM_CAP_XSAVE */
1639 #define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
1640 #define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
1641 /* Available with KVM_CAP_XCRS */
1642 #define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
1643 #define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
1644 /* Available with KVM_CAP_SW_TLB */
1645 #define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
1646 /* Available with KVM_CAP_ONE_REG */
1647 #define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
1648 #define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
1649 /* VM is being stopped by host */
1650 #define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
1651 #define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
1652 #define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
1653 #define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1654 /* Available with KVM_CAP_S390_MEM_OP */
1655 #define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
1656 /* Available with KVM_CAP_S390_SKEYS */
1657 #define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1658 #define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1659 /* Available with KVM_CAP_S390_INJECT_IRQ */
1660 #define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
1661 /* Available with KVM_CAP_S390_IRQ_STATE */
1662 #define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1663 #define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1664 /* Available with KVM_CAP_X86_SMM */
1665 #define KVM_SMI                   _IO(KVMIO,   0xb7)
1666 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1667 #define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1668 #define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1669 /* Memory Encryption Commands */
1670 #define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)
1671
1672 struct kvm_enc_region {
1673         __u64 addr;
1674         __u64 size;
1675 };
1676
1677 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1678 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1679
1680 /* Available with KVM_CAP_HYPERV_EVENTFD */
1681 #define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)
1682
1683 /* Available with KVM_CAP_NESTED_STATE */
1684 #define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1685 #define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)
1686
1687 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1688 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1689
1690 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1691 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1692
1693 /* Available with KVM_CAP_ARM_SVE */
1694 #define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)
1695
1696 /* Available with  KVM_CAP_S390_VCPU_RESETS */
1697 #define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
1698 #define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)
1699
1700 struct kvm_s390_pv_sec_parm {
1701         __u64 origin;
1702         __u64 length;
1703 };
1704
1705 struct kvm_s390_pv_unp {
1706         __u64 addr;
1707         __u64 size;
1708         __u64 tweak;
1709 };
1710
1711 enum pv_cmd_dmp_id {
1712         KVM_PV_DUMP_INIT,
1713         KVM_PV_DUMP_CONFIG_STOR_STATE,
1714         KVM_PV_DUMP_COMPLETE,
1715         KVM_PV_DUMP_CPU,
1716 };
1717
1718 struct kvm_s390_pv_dmp {
1719         __u64 subcmd;
1720         __u64 buff_addr;
1721         __u64 buff_len;
1722         __u64 gaddr;            /* For dump storage state */
1723         __u64 reserved[4];
1724 };
1725
1726 enum pv_cmd_info_id {
1727         KVM_PV_INFO_VM,
1728         KVM_PV_INFO_DUMP,
1729 };
1730
1731 struct kvm_s390_pv_info_dump {
1732         __u64 dump_cpu_buffer_len;
1733         __u64 dump_config_mem_buffer_per_1m;
1734         __u64 dump_config_finalize_len;
1735 };
1736
1737 struct kvm_s390_pv_info_vm {
1738         __u64 inst_calls_list[4];
1739         __u64 max_cpus;
1740         __u64 max_guests;
1741         __u64 max_guest_addr;
1742         __u64 feature_indication;
1743 };
1744
1745 struct kvm_s390_pv_info_header {
1746         __u32 id;
1747         __u32 len_max;
1748         __u32 len_written;
1749         __u32 reserved;
1750 };
1751
1752 struct kvm_s390_pv_info {
1753         struct kvm_s390_pv_info_header header;
1754         union {
1755                 struct kvm_s390_pv_info_dump dump;
1756                 struct kvm_s390_pv_info_vm vm;
1757         };
1758 };
1759
1760 enum pv_cmd_id {
1761         KVM_PV_ENABLE,
1762         KVM_PV_DISABLE,
1763         KVM_PV_SET_SEC_PARMS,
1764         KVM_PV_UNPACK,
1765         KVM_PV_VERIFY,
1766         KVM_PV_PREP_RESET,
1767         KVM_PV_UNSHARE_ALL,
1768         KVM_PV_INFO,
1769         KVM_PV_DUMP,
1770         KVM_PV_ASYNC_CLEANUP_PREPARE,
1771         KVM_PV_ASYNC_CLEANUP_PERFORM,
1772 };
1773
1774 struct kvm_pv_cmd {
1775         __u32 cmd;      /* Command to be executed */
1776         __u16 rc;       /* Ultravisor return code */
1777         __u16 rrc;      /* Ultravisor return reason code */
1778         __u64 data;     /* Data or address */
1779         __u32 flags;    /* flags for future extensions. Must be 0 for now */
1780         __u32 reserved[3];
1781 };
1782
1783 /* Available with KVM_CAP_S390_PROTECTED */
1784 #define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1785
1786 /* Available with KVM_CAP_X86_MSR_FILTER */
1787 #define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
1788
1789 /* Available with KVM_CAP_DIRTY_LOG_RING */
1790 #define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)
1791
1792 /* Per-VM Xen attributes */
1793 #define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1794 #define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)
1795
1796 struct kvm_xen_hvm_attr {
1797         __u16 type;
1798         __u16 pad[3];
1799         union {
1800                 __u8 long_mode;
1801                 __u8 vector;
1802                 __u8 runstate_update_flag;
1803                 struct {
1804                         __u64 gfn;
1805 #define KVM_XEN_INVALID_GFN ((__u64)-1)
1806                 } shared_info;
1807                 struct {
1808                         __u32 send_port;
1809                         __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1810                         __u32 flags;
1811 #define KVM_XEN_EVTCHN_DEASSIGN         (1 << 0)
1812 #define KVM_XEN_EVTCHN_UPDATE           (1 << 1)
1813 #define KVM_XEN_EVTCHN_RESET            (1 << 2)
1814                         /*
1815                          * Events sent by the guest are either looped back to
1816                          * the guest itself (potentially on a different port#)
1817                          * or signalled via an eventfd.
1818                          */
1819                         union {
1820                                 struct {
1821                                         __u32 port;
1822                                         __u32 vcpu;
1823                                         __u32 priority;
1824                                 } port;
1825                                 struct {
1826                                         __u32 port; /* Zero for eventfd */
1827                                         __s32 fd;
1828                                 } eventfd;
1829                                 __u32 padding[4];
1830                         } deliver;
1831                 } evtchn;
1832                 __u32 xen_version;
1833                 __u64 pad[8];
1834         } u;
1835 };
1836
1837
1838 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1839 #define KVM_XEN_ATTR_TYPE_LONG_MODE             0x0
1840 #define KVM_XEN_ATTR_TYPE_SHARED_INFO           0x1
1841 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR         0x2
1842 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1843 #define KVM_XEN_ATTR_TYPE_EVTCHN                0x3
1844 #define KVM_XEN_ATTR_TYPE_XEN_VERSION           0x4
1845 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1846 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG  0x5
1847
1848 /* Per-vCPU Xen attributes */
1849 #define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1850 #define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)
1851
1852 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1853 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)
1854
1855 #define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
1856 #define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)
1857
1858 struct kvm_xen_vcpu_attr {
1859         __u16 type;
1860         __u16 pad[3];
1861         union {
1862                 __u64 gpa;
1863 #define KVM_XEN_INVALID_GPA ((__u64)-1)
1864                 __u64 pad[8];
1865                 struct {
1866                         __u64 state;
1867                         __u64 state_entry_time;
1868                         __u64 time_running;
1869                         __u64 time_runnable;
1870                         __u64 time_blocked;
1871                         __u64 time_offline;
1872                 } runstate;
1873                 __u32 vcpu_id;
1874                 struct {
1875                         __u32 port;
1876                         __u32 priority;
1877                         __u64 expires_ns;
1878                 } timer;
1879                 __u8 vector;
1880         } u;
1881 };
1882
1883 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1884 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO        0x0
1885 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO   0x1
1886 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR    0x2
1887 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1888 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA    0x4
1889 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST  0x5
1890 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1891 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID          0x6
1892 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER            0x7
1893 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR    0x8
1894
1895 /* Secure Encrypted Virtualization command */
1896 enum sev_cmd_id {
1897         /* Guest initialization commands */
1898         KVM_SEV_INIT = 0,
1899         KVM_SEV_ES_INIT,
1900         /* Guest launch commands */
1901         KVM_SEV_LAUNCH_START,
1902         KVM_SEV_LAUNCH_UPDATE_DATA,
1903         KVM_SEV_LAUNCH_UPDATE_VMSA,
1904         KVM_SEV_LAUNCH_SECRET,
1905         KVM_SEV_LAUNCH_MEASURE,
1906         KVM_SEV_LAUNCH_FINISH,
1907         /* Guest migration commands (outgoing) */
1908         KVM_SEV_SEND_START,
1909         KVM_SEV_SEND_UPDATE_DATA,
1910         KVM_SEV_SEND_UPDATE_VMSA,
1911         KVM_SEV_SEND_FINISH,
1912         /* Guest migration commands (incoming) */
1913         KVM_SEV_RECEIVE_START,
1914         KVM_SEV_RECEIVE_UPDATE_DATA,
1915         KVM_SEV_RECEIVE_UPDATE_VMSA,
1916         KVM_SEV_RECEIVE_FINISH,
1917         /* Guest status and debug commands */
1918         KVM_SEV_GUEST_STATUS,
1919         KVM_SEV_DBG_DECRYPT,
1920         KVM_SEV_DBG_ENCRYPT,
1921         /* Guest certificates commands */
1922         KVM_SEV_CERT_EXPORT,
1923         /* Attestation report */
1924         KVM_SEV_GET_ATTESTATION_REPORT,
1925         /* Guest Migration Extension */
1926         KVM_SEV_SEND_CANCEL,
1927
1928         KVM_SEV_NR_MAX,
1929 };
1930
1931 struct kvm_sev_cmd {
1932         __u32 id;
1933         __u64 data;
1934         __u32 error;
1935         __u32 sev_fd;
1936 };
1937
1938 struct kvm_sev_launch_start {
1939         __u32 handle;
1940         __u32 policy;
1941         __u64 dh_uaddr;
1942         __u32 dh_len;
1943         __u64 session_uaddr;
1944         __u32 session_len;
1945 };
1946
1947 struct kvm_sev_launch_update_data {
1948         __u64 uaddr;
1949         __u32 len;
1950 };
1951
1952
1953 struct kvm_sev_launch_secret {
1954         __u64 hdr_uaddr;
1955         __u32 hdr_len;
1956         __u64 guest_uaddr;
1957         __u32 guest_len;
1958         __u64 trans_uaddr;
1959         __u32 trans_len;
1960 };
1961
1962 struct kvm_sev_launch_measure {
1963         __u64 uaddr;
1964         __u32 len;
1965 };
1966
1967 struct kvm_sev_guest_status {
1968         __u32 handle;
1969         __u32 policy;
1970         __u32 state;
1971 };
1972
1973 struct kvm_sev_dbg {
1974         __u64 src_uaddr;
1975         __u64 dst_uaddr;
1976         __u32 len;
1977 };
1978
1979 struct kvm_sev_attestation_report {
1980         __u8 mnonce[16];
1981         __u64 uaddr;
1982         __u32 len;
1983 };
1984
1985 struct kvm_sev_send_start {
1986         __u32 policy;
1987         __u64 pdh_cert_uaddr;
1988         __u32 pdh_cert_len;
1989         __u64 plat_certs_uaddr;
1990         __u32 plat_certs_len;
1991         __u64 amd_certs_uaddr;
1992         __u32 amd_certs_len;
1993         __u64 session_uaddr;
1994         __u32 session_len;
1995 };
1996
1997 struct kvm_sev_send_update_data {
1998         __u64 hdr_uaddr;
1999         __u32 hdr_len;
2000         __u64 guest_uaddr;
2001         __u32 guest_len;
2002         __u64 trans_uaddr;
2003         __u32 trans_len;
2004 };
2005
2006 struct kvm_sev_receive_start {
2007         __u32 handle;
2008         __u32 policy;
2009         __u64 pdh_uaddr;
2010         __u32 pdh_len;
2011         __u64 session_uaddr;
2012         __u32 session_len;
2013 };
2014
2015 struct kvm_sev_receive_update_data {
2016         __u64 hdr_uaddr;
2017         __u32 hdr_len;
2018         __u64 guest_uaddr;
2019         __u32 guest_len;
2020         __u64 trans_uaddr;
2021         __u32 trans_len;
2022 };
2023
2024 #define KVM_DEV_ASSIGN_ENABLE_IOMMU     (1 << 0)
2025 #define KVM_DEV_ASSIGN_PCI_2_3          (1 << 1)
2026 #define KVM_DEV_ASSIGN_MASK_INTX        (1 << 2)
2027
2028 struct kvm_assigned_pci_dev {
2029         __u32 assigned_dev_id;
2030         __u32 busnr;
2031         __u32 devfn;
2032         __u32 flags;
2033         __u32 segnr;
2034         union {
2035                 __u32 reserved[11];
2036         };
2037 };
2038
2039 #define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
2040 #define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
2041 #define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
2042
2043 #define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
2044 #define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
2045 #define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
2046
2047 #define KVM_DEV_IRQ_HOST_MASK    0x00ff
2048 #define KVM_DEV_IRQ_GUEST_MASK   0xff00
2049
2050 struct kvm_assigned_irq {
2051         __u32 assigned_dev_id;
2052         __u32 host_irq; /* ignored (legacy field) */
2053         __u32 guest_irq;
2054         __u32 flags;
2055         union {
2056                 __u32 reserved[12];
2057         };
2058 };
2059
2060 struct kvm_assigned_msix_nr {
2061         __u32 assigned_dev_id;
2062         __u16 entry_nr;
2063         __u16 padding;
2064 };
2065
2066 #define KVM_MAX_MSIX_PER_DEV            256
2067 struct kvm_assigned_msix_entry {
2068         __u32 assigned_dev_id;
2069         __u32 gsi;
2070         __u16 entry; /* The index of entry in the MSI-X table */
2071         __u16 padding[3];
2072 };
2073
2074 #define KVM_X2APIC_API_USE_32BIT_IDS            (1ULL << 0)
2075 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK  (1ULL << 1)
2076
2077 /* Available with KVM_CAP_ARM_USER_IRQ */
2078
2079 /* Bits for run->s.regs.device_irq_level */
2080 #define KVM_ARM_DEV_EL1_VTIMER          (1 << 0)
2081 #define KVM_ARM_DEV_EL1_PTIMER          (1 << 1)
2082 #define KVM_ARM_DEV_PMU                 (1 << 2)
2083
2084 struct kvm_hyperv_eventfd {
2085         __u32 conn_id;
2086         __s32 fd;
2087         __u32 flags;
2088         __u32 padding[3];
2089 };
2090
2091 #define KVM_HYPERV_CONN_ID_MASK         0x00ffffff
2092 #define KVM_HYPERV_EVENTFD_DEASSIGN     (1 << 0)
2093
2094 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
2095 #define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)
2096
2097 /*
2098  * Arch needs to define the macro after implementing the dirty ring
2099  * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2100  * starting page offset of the dirty ring structures.
2101  */
2102 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2103 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2104 #endif
2105
2106 /*
2107  * KVM dirty GFN flags, defined as:
2108  *
2109  * |---------------+---------------+--------------|
2110  * | bit 1 (reset) | bit 0 (dirty) | Status       |
2111  * |---------------+---------------+--------------|
2112  * |             0 |             0 | Invalid GFN  |
2113  * |             0 |             1 | Dirty GFN    |
2114  * |             1 |             X | GFN to reset |
2115  * |---------------+---------------+--------------|
2116  *
2117  * Lifecycle of a dirty GFN goes like:
2118  *
2119  *      dirtied         harvested        reset
2120  * 00 -----------> 01 -------------> 1X -------+
2121  *  ^                                          |
2122  *  |                                          |
2123  *  +------------------------------------------+
2124  *
2125  * The userspace program is only responsible for the 01->1X state
2126  * conversion after harvesting an entry.  Also, it must not skip any
2127  * dirty bits, so that dirty bits are always harvested in sequence.
2128  */
2129 #define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
2130 #define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
2131 #define KVM_DIRTY_GFN_F_MASK            0x3
2132
2133 /*
2134  * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2135  * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
2136  * size of the gfn buffer is decided by the first argument when
2137  * enabling KVM_CAP_DIRTY_LOG_RING.
2138  */
2139 struct kvm_dirty_gfn {
2140         __u32 flags;
2141         __u32 slot;
2142         __u64 offset;
2143 };
2144
2145 #define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
2146 #define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)
2147
2148 #define KVM_PMU_CAP_DISABLE                    (1 << 0)
2149
2150 /**
2151  * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2152  * @flags: Some extra information for header, always 0 for now.
2153  * @name_size: The size in bytes of the memory which contains statistics
2154  *             name string including trailing '\0'. The memory is allocated
2155  *             at the send of statistics descriptor.
2156  * @num_desc: The number of statistics the vm or vcpu has.
2157  * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2158  *             by vm/vcpu stats fd.
2159  * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2160  *               pointd by vm/vcpu stats fd.
2161  * @data_offset: The offset of the vm/vcpu stats' data block in the file
2162  *               pointed by vm/vcpu stats fd.
2163  *
2164  * This is the header userspace needs to read from stats fd before any other
2165  * readings. It is used by userspace to discover all the information about the
2166  * vm/vcpu's binary statistics.
2167  * Userspace reads this header from the start of the vm/vcpu's stats fd.
2168  */
2169 struct kvm_stats_header {
2170         __u32 flags;
2171         __u32 name_size;
2172         __u32 num_desc;
2173         __u32 id_offset;
2174         __u32 desc_offset;
2175         __u32 data_offset;
2176 };
2177
2178 #define KVM_STATS_TYPE_SHIFT            0
2179 #define KVM_STATS_TYPE_MASK             (0xF << KVM_STATS_TYPE_SHIFT)
2180 #define KVM_STATS_TYPE_CUMULATIVE       (0x0 << KVM_STATS_TYPE_SHIFT)
2181 #define KVM_STATS_TYPE_INSTANT          (0x1 << KVM_STATS_TYPE_SHIFT)
2182 #define KVM_STATS_TYPE_PEAK             (0x2 << KVM_STATS_TYPE_SHIFT)
2183 #define KVM_STATS_TYPE_LINEAR_HIST      (0x3 << KVM_STATS_TYPE_SHIFT)
2184 #define KVM_STATS_TYPE_LOG_HIST         (0x4 << KVM_STATS_TYPE_SHIFT)
2185 #define KVM_STATS_TYPE_MAX              KVM_STATS_TYPE_LOG_HIST
2186
2187 #define KVM_STATS_UNIT_SHIFT            4
2188 #define KVM_STATS_UNIT_MASK             (0xF << KVM_STATS_UNIT_SHIFT)
2189 #define KVM_STATS_UNIT_NONE             (0x0 << KVM_STATS_UNIT_SHIFT)
2190 #define KVM_STATS_UNIT_BYTES            (0x1 << KVM_STATS_UNIT_SHIFT)
2191 #define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
2192 #define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
2193 #define KVM_STATS_UNIT_BOOLEAN          (0x4 << KVM_STATS_UNIT_SHIFT)
2194 #define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_BOOLEAN
2195
2196 #define KVM_STATS_BASE_SHIFT            8
2197 #define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)
2198 #define KVM_STATS_BASE_POW10            (0x0 << KVM_STATS_BASE_SHIFT)
2199 #define KVM_STATS_BASE_POW2             (0x1 << KVM_STATS_BASE_SHIFT)
2200 #define KVM_STATS_BASE_MAX              KVM_STATS_BASE_POW2
2201
2202 /**
2203  * struct kvm_stats_desc - Descriptor of a KVM statistics.
2204  * @flags: Annotations of the stats, like type, unit, etc.
2205  * @exponent: Used together with @flags to determine the unit.
2206  * @size: The number of data items for this stats.
2207  *        Every data item is of type __u64.
2208  * @offset: The offset of the stats to the start of stat structure in
2209  *          structure kvm or kvm_vcpu.
2210  * @bucket_size: A parameter value used for histogram stats. It is only used
2211  *              for linear histogram stats, specifying the size of the bucket;
2212  * @name: The name string for the stats. Its size is indicated by the
2213  *        &kvm_stats_header->name_size.
2214  */
2215 struct kvm_stats_desc {
2216         __u32 flags;
2217         __s16 exponent;
2218         __u16 size;
2219         __u32 offset;
2220         __u32 bucket_size;
2221         char name[];
2222 };
2223
2224 #define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)
2225
2226 /* Available with KVM_CAP_XSAVE2 */
2227 #define KVM_GET_XSAVE2            _IOR(KVMIO,  0xcf, struct kvm_xsave)
2228
2229 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2230 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2231
2232 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2233 #define KVM_X86_NOTIFY_VMEXIT_ENABLED           (1ULL << 0)
2234 #define KVM_X86_NOTIFY_VMEXIT_USER              (1ULL << 1)
2235
2236 /* Available with KVM_CAP_S390_ZPCI_OP */
2237 #define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)
2238
2239 struct kvm_s390_zpci_op {
2240         /* in */
2241         __u32 fh;               /* target device */
2242         __u8  op;               /* operation to perform */
2243         __u8  pad[3];
2244         union {
2245                 /* for KVM_S390_ZPCIOP_REG_AEN */
2246                 struct {
2247                         __u64 ibv;      /* Guest addr of interrupt bit vector */
2248                         __u64 sb;       /* Guest addr of summary bit */
2249                         __u32 flags;
2250                         __u32 noi;      /* Number of interrupts */
2251                         __u8 isc;       /* Guest interrupt subclass */
2252                         __u8 sbo;       /* Offset of guest summary bit vector */
2253                         __u16 pad;
2254                 } reg_aen;
2255                 __u64 reserved[8];
2256         } u;
2257 };
2258
2259 /* types for kvm_s390_zpci_op->op */
2260 #define KVM_S390_ZPCIOP_REG_AEN                0
2261 #define KVM_S390_ZPCIOP_DEREG_AEN      1
2262
2263 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2264 #define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
2265
2266 #endif /* __LINUX_KVM_H */