1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 #include <linux/compiler.h> 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* *** Deprecated interfaces *** */ 20 21 #define KVM_TRC_SHIFT 16 22 23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) 24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) 25 26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) 27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) 28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) 29 30 #define KVM_TRC_HEAD_SIZE 12 31 #define KVM_TRC_CYCLE_SIZE 8 32 #define KVM_TRC_EXTRA_MAX 7 33 34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) 35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) 36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) 37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) 38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) 39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) 40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) 41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) 42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) 43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) 44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) 45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) 46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) 47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) 48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) 49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) 50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) 51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) 52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) 53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) 54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) 55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) 56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) 57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) 58 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_CREATE_MEMORY_REGION */ 90 struct kvm_memory_region { 91 __u32 slot; 92 __u32 flags; 93 __u64 guest_phys_addr; 94 __u64 memory_size; /* bytes */ 95 }; 96 97 /* for KVM_SET_USER_MEMORY_REGION */ 98 struct kvm_userspace_memory_region { 99 __u32 slot; 100 __u32 flags; 101 __u64 guest_phys_addr; 102 __u64 memory_size; /* bytes */ 103 __u64 userspace_addr; /* start of the userspace allocated memory */ 104 }; 105 106 /* 107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, 108 * other bits are reserved for kvm internal use which are defined in 109 * include/linux/kvm_host.h. 110 */ 111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 112 #define KVM_MEM_READONLY (1UL << 1) 113 114 /* for KVM_IRQ_LINE */ 115 struct kvm_irq_level { 116 /* 117 * ACPI gsi notion of irq. 118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 120 * For ARM: See Documentation/virt/kvm/api.rst 121 */ 122 union { 123 __u32 irq; 124 __s32 status; 125 }; 126 __u32 level; 127 }; 128 129 130 struct kvm_irqchip { 131 __u32 chip_id; 132 __u32 pad; 133 union { 134 char dummy[512]; /* reserving space */ 135 #ifdef __KVM_HAVE_PIT 136 struct kvm_pic_state pic; 137 #endif 138 #ifdef __KVM_HAVE_IOAPIC 139 struct kvm_ioapic_state ioapic; 140 #endif 141 } chip; 142 }; 143 144 /* for KVM_CREATE_PIT2 */ 145 struct kvm_pit_config { 146 __u32 flags; 147 __u32 pad[15]; 148 }; 149 150 #define KVM_PIT_SPEAKER_DUMMY 1 151 152 struct kvm_s390_skeys { 153 __u64 start_gfn; 154 __u64 count; 155 __u64 skeydata_addr; 156 __u32 flags; 157 __u32 reserved[9]; 158 }; 159 160 #define KVM_S390_CMMA_PEEK (1 << 0) 161 162 /** 163 * kvm_s390_cmma_log - Used for CMMA migration. 164 * 165 * Used both for input and output. 166 * 167 * @start_gfn: Guest page number to start from. 168 * @count: Size of the result buffer. 169 * @flags: Control operation mode via KVM_S390_CMMA_* flags 170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 171 * pages are still remaining. 172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 173 * in the PGSTE. 174 * @values: Pointer to the values buffer. 175 * 176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 177 */ 178 struct kvm_s390_cmma_log { 179 __u64 start_gfn; 180 __u32 count; 181 __u32 flags; 182 union { 183 __u64 remaining; 184 __u64 mask; 185 }; 186 __u64 values; 187 }; 188 189 struct kvm_hyperv_exit { 190 #define KVM_EXIT_HYPERV_SYNIC 1 191 #define KVM_EXIT_HYPERV_HCALL 2 192 #define KVM_EXIT_HYPERV_SYNDBG 3 193 __u32 type; 194 __u32 pad1; 195 union { 196 struct { 197 __u32 msr; 198 __u32 pad2; 199 __u64 control; 200 __u64 evt_page; 201 __u64 msg_page; 202 } synic; 203 struct { 204 __u64 input; 205 __u64 result; 206 __u64 params[2]; 207 } hcall; 208 struct { 209 __u32 msr; 210 __u32 pad2; 211 __u64 control; 212 __u64 status; 213 __u64 send_page; 214 __u64 recv_page; 215 __u64 pending_page; 216 } syndbg; 217 } u; 218 }; 219 220 struct kvm_xen_exit { 221 #define KVM_EXIT_XEN_HCALL 1 222 __u32 type; 223 union { 224 struct { 225 __u32 longmode; 226 __u32 cpl; 227 __u64 input; 228 __u64 result; 229 __u64 params[6]; 230 } hcall; 231 } u; 232 }; 233 234 #define KVM_S390_GET_SKEYS_NONE 1 235 #define KVM_S390_SKEYS_MAX 1048576 236 237 #define KVM_EXIT_UNKNOWN 0 238 #define KVM_EXIT_EXCEPTION 1 239 #define KVM_EXIT_IO 2 240 #define KVM_EXIT_HYPERCALL 3 241 #define KVM_EXIT_DEBUG 4 242 #define KVM_EXIT_HLT 5 243 #define KVM_EXIT_MMIO 6 244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 245 #define KVM_EXIT_SHUTDOWN 8 246 #define KVM_EXIT_FAIL_ENTRY 9 247 #define KVM_EXIT_INTR 10 248 #define KVM_EXIT_SET_TPR 11 249 #define KVM_EXIT_TPR_ACCESS 12 250 #define KVM_EXIT_S390_SIEIC 13 251 #define KVM_EXIT_S390_RESET 14 252 #define KVM_EXIT_DCR 15 /* deprecated */ 253 #define KVM_EXIT_NMI 16 254 #define KVM_EXIT_INTERNAL_ERROR 17 255 #define KVM_EXIT_OSI 18 256 #define KVM_EXIT_PAPR_HCALL 19 257 #define KVM_EXIT_S390_UCONTROL 20 258 #define KVM_EXIT_WATCHDOG 21 259 #define KVM_EXIT_S390_TSCH 22 260 #define KVM_EXIT_EPR 23 261 #define KVM_EXIT_SYSTEM_EVENT 24 262 #define KVM_EXIT_S390_STSI 25 263 #define KVM_EXIT_IOAPIC_EOI 26 264 #define KVM_EXIT_HYPERV 27 265 #define KVM_EXIT_ARM_NISV 28 266 #define KVM_EXIT_X86_RDMSR 29 267 #define KVM_EXIT_X86_WRMSR 30 268 #define KVM_EXIT_DIRTY_RING_FULL 31 269 #define KVM_EXIT_AP_RESET_HOLD 32 270 #define KVM_EXIT_X86_BUS_LOCK 33 271 #define KVM_EXIT_XEN 34 272 273 /* For KVM_EXIT_INTERNAL_ERROR */ 274 /* Emulate instruction failed. */ 275 #define KVM_INTERNAL_ERROR_EMULATION 1 276 /* Encounter unexpected simultaneous exceptions. */ 277 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 278 /* Encounter unexpected vm-exit due to delivery event. */ 279 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 280 /* Encounter unexpected vm-exit reason */ 281 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 282 283 /* Flags that describe what fields in emulation_failure hold valid data. */ 284 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 285 286 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 287 struct kvm_run { 288 /* in */ 289 __u8 request_interrupt_window; 290 __u8 immediate_exit; 291 __u8 padding1[6]; 292 293 /* out */ 294 __u32 exit_reason; 295 __u8 ready_for_interrupt_injection; 296 __u8 if_flag; 297 __u16 flags; 298 299 /* in (pre_kvm_run), out (post_kvm_run) */ 300 __u64 cr8; 301 __u64 apic_base; 302 303 #ifdef __KVM_S390 304 /* the processor status word for s390 */ 305 __u64 psw_mask; /* psw upper half */ 306 __u64 psw_addr; /* psw lower half */ 307 #endif 308 union { 309 /* KVM_EXIT_UNKNOWN */ 310 struct { 311 __u64 hardware_exit_reason; 312 } hw; 313 /* KVM_EXIT_FAIL_ENTRY */ 314 struct { 315 __u64 hardware_entry_failure_reason; 316 __u32 cpu; 317 } fail_entry; 318 /* KVM_EXIT_EXCEPTION */ 319 struct { 320 __u32 exception; 321 __u32 error_code; 322 } ex; 323 /* KVM_EXIT_IO */ 324 struct { 325 #define KVM_EXIT_IO_IN 0 326 #define KVM_EXIT_IO_OUT 1 327 __u8 direction; 328 __u8 size; /* bytes */ 329 __u16 port; 330 __u32 count; 331 __u64 data_offset; /* relative to kvm_run start */ 332 } io; 333 /* KVM_EXIT_DEBUG */ 334 struct { 335 struct kvm_debug_exit_arch arch; 336 } debug; 337 /* KVM_EXIT_MMIO */ 338 struct { 339 __u64 phys_addr; 340 __u8 data[8]; 341 __u32 len; 342 __u8 is_write; 343 } mmio; 344 /* KVM_EXIT_HYPERCALL */ 345 struct { 346 __u64 nr; 347 __u64 args[6]; 348 __u64 ret; 349 __u32 longmode; 350 __u32 pad; 351 } hypercall; 352 /* KVM_EXIT_TPR_ACCESS */ 353 struct { 354 __u64 rip; 355 __u32 is_write; 356 __u32 pad; 357 } tpr_access; 358 /* KVM_EXIT_S390_SIEIC */ 359 struct { 360 __u8 icptcode; 361 __u16 ipa; 362 __u32 ipb; 363 } s390_sieic; 364 /* KVM_EXIT_S390_RESET */ 365 #define KVM_S390_RESET_POR 1 366 #define KVM_S390_RESET_CLEAR 2 367 #define KVM_S390_RESET_SUBSYSTEM 4 368 #define KVM_S390_RESET_CPU_INIT 8 369 #define KVM_S390_RESET_IPL 16 370 __u64 s390_reset_flags; 371 /* KVM_EXIT_S390_UCONTROL */ 372 struct { 373 __u64 trans_exc_code; 374 __u32 pgm_code; 375 } s390_ucontrol; 376 /* KVM_EXIT_DCR (deprecated) */ 377 struct { 378 __u32 dcrn; 379 __u32 data; 380 __u8 is_write; 381 } dcr; 382 /* KVM_EXIT_INTERNAL_ERROR */ 383 struct { 384 __u32 suberror; 385 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 386 __u32 ndata; 387 __u64 data[16]; 388 } internal; 389 /* 390 * KVM_INTERNAL_ERROR_EMULATION 391 * 392 * "struct emulation_failure" is an overlay of "struct internal" 393 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 394 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 395 * sub-types, this struct is ABI! It also needs to be backwards 396 * compatible with "struct internal". Take special care that 397 * "ndata" is correct, that new fields are enumerated in "flags", 398 * and that each flag enumerates fields that are 64-bit aligned 399 * and sized (so that ndata+internal.data[] is valid/accurate). 400 */ 401 struct { 402 __u32 suberror; 403 __u32 ndata; 404 __u64 flags; 405 __u8 insn_size; 406 __u8 insn_bytes[15]; 407 } emulation_failure; 408 /* KVM_EXIT_OSI */ 409 struct { 410 __u64 gprs[32]; 411 } osi; 412 /* KVM_EXIT_PAPR_HCALL */ 413 struct { 414 __u64 nr; 415 __u64 ret; 416 __u64 args[9]; 417 } papr_hcall; 418 /* KVM_EXIT_S390_TSCH */ 419 struct { 420 __u16 subchannel_id; 421 __u16 subchannel_nr; 422 __u32 io_int_parm; 423 __u32 io_int_word; 424 __u32 ipb; 425 __u8 dequeued; 426 } s390_tsch; 427 /* KVM_EXIT_EPR */ 428 struct { 429 __u32 epr; 430 } epr; 431 /* KVM_EXIT_SYSTEM_EVENT */ 432 struct { 433 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 434 #define KVM_SYSTEM_EVENT_RESET 2 435 #define KVM_SYSTEM_EVENT_CRASH 3 436 __u32 type; 437 __u64 flags; 438 } system_event; 439 /* KVM_EXIT_S390_STSI */ 440 struct { 441 __u64 addr; 442 __u8 ar; 443 __u8 reserved; 444 __u8 fc; 445 __u8 sel1; 446 __u16 sel2; 447 } s390_stsi; 448 /* KVM_EXIT_IOAPIC_EOI */ 449 struct { 450 __u8 vector; 451 } eoi; 452 /* KVM_EXIT_HYPERV */ 453 struct kvm_hyperv_exit hyperv; 454 /* KVM_EXIT_ARM_NISV */ 455 struct { 456 __u64 esr_iss; 457 __u64 fault_ipa; 458 } arm_nisv; 459 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 460 struct { 461 __u8 error; /* user -> kernel */ 462 __u8 pad[7]; 463 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 464 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 465 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 466 __u32 reason; /* kernel -> user */ 467 __u32 index; /* kernel -> user */ 468 __u64 data; /* kernel <-> user */ 469 } msr; 470 /* KVM_EXIT_XEN */ 471 struct kvm_xen_exit xen; 472 /* Fix the size of the union. */ 473 char padding[256]; 474 }; 475 476 /* 2048 is the size of the char array used to bound/pad the size 477 * of the union that holds sync regs. 478 */ 479 #define SYNC_REGS_SIZE_BYTES 2048 480 /* 481 * shared registers between kvm and userspace. 482 * kvm_valid_regs specifies the register classes set by the host 483 * kvm_dirty_regs specified the register classes dirtied by userspace 484 * struct kvm_sync_regs is architecture specific, as well as the 485 * bits for kvm_valid_regs and kvm_dirty_regs 486 */ 487 __u64 kvm_valid_regs; 488 __u64 kvm_dirty_regs; 489 union { 490 struct kvm_sync_regs regs; 491 char padding[SYNC_REGS_SIZE_BYTES]; 492 } s; 493 }; 494 495 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 496 497 struct kvm_coalesced_mmio_zone { 498 __u64 addr; 499 __u32 size; 500 union { 501 __u32 pad; 502 __u32 pio; 503 }; 504 }; 505 506 struct kvm_coalesced_mmio { 507 __u64 phys_addr; 508 __u32 len; 509 union { 510 __u32 pad; 511 __u32 pio; 512 }; 513 __u8 data[8]; 514 }; 515 516 struct kvm_coalesced_mmio_ring { 517 __u32 first, last; 518 struct kvm_coalesced_mmio coalesced_mmio[0]; 519 }; 520 521 #define KVM_COALESCED_MMIO_MAX \ 522 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 523 sizeof(struct kvm_coalesced_mmio)) 524 525 /* for KVM_TRANSLATE */ 526 struct kvm_translation { 527 /* in */ 528 __u64 linear_address; 529 530 /* out */ 531 __u64 physical_address; 532 __u8 valid; 533 __u8 writeable; 534 __u8 usermode; 535 __u8 pad[5]; 536 }; 537 538 /* for KVM_S390_MEM_OP */ 539 struct kvm_s390_mem_op { 540 /* in */ 541 __u64 gaddr; /* the guest address */ 542 __u64 flags; /* flags */ 543 __u32 size; /* amount of bytes */ 544 __u32 op; /* type of operation */ 545 __u64 buf; /* buffer in userspace */ 546 union { 547 __u8 ar; /* the access register number */ 548 __u32 sida_offset; /* offset into the sida */ 549 __u8 reserved[32]; /* should be set to 0 */ 550 }; 551 }; 552 /* types for kvm_s390_mem_op->op */ 553 #define KVM_S390_MEMOP_LOGICAL_READ 0 554 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 555 #define KVM_S390_MEMOP_SIDA_READ 2 556 #define KVM_S390_MEMOP_SIDA_WRITE 3 557 /* flags for kvm_s390_mem_op->flags */ 558 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 559 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 560 561 /* for KVM_INTERRUPT */ 562 struct kvm_interrupt { 563 /* in */ 564 __u32 irq; 565 }; 566 567 /* for KVM_GET_DIRTY_LOG */ 568 struct kvm_dirty_log { 569 __u32 slot; 570 __u32 padding1; 571 union { 572 void __user *dirty_bitmap; /* one bit per page */ 573 __u64 padding2; 574 }; 575 }; 576 577 /* for KVM_CLEAR_DIRTY_LOG */ 578 struct kvm_clear_dirty_log { 579 __u32 slot; 580 __u32 num_pages; 581 __u64 first_page; 582 union { 583 void __user *dirty_bitmap; /* one bit per page */ 584 __u64 padding2; 585 }; 586 }; 587 588 /* for KVM_SET_SIGNAL_MASK */ 589 struct kvm_signal_mask { 590 __u32 len; 591 __u8 sigset[0]; 592 }; 593 594 /* for KVM_TPR_ACCESS_REPORTING */ 595 struct kvm_tpr_access_ctl { 596 __u32 enabled; 597 __u32 flags; 598 __u32 reserved[8]; 599 }; 600 601 /* for KVM_SET_VAPIC_ADDR */ 602 struct kvm_vapic_addr { 603 __u64 vapic_addr; 604 }; 605 606 /* for KVM_SET_MP_STATE */ 607 608 /* not all states are valid on all architectures */ 609 #define KVM_MP_STATE_RUNNABLE 0 610 #define KVM_MP_STATE_UNINITIALIZED 1 611 #define KVM_MP_STATE_INIT_RECEIVED 2 612 #define KVM_MP_STATE_HALTED 3 613 #define KVM_MP_STATE_SIPI_RECEIVED 4 614 #define KVM_MP_STATE_STOPPED 5 615 #define KVM_MP_STATE_CHECK_STOP 6 616 #define KVM_MP_STATE_OPERATING 7 617 #define KVM_MP_STATE_LOAD 8 618 #define KVM_MP_STATE_AP_RESET_HOLD 9 619 620 struct kvm_mp_state { 621 __u32 mp_state; 622 }; 623 624 struct kvm_s390_psw { 625 __u64 mask; 626 __u64 addr; 627 }; 628 629 /* valid values for type in kvm_s390_interrupt */ 630 #define KVM_S390_SIGP_STOP 0xfffe0000u 631 #define KVM_S390_PROGRAM_INT 0xfffe0001u 632 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 633 #define KVM_S390_RESTART 0xfffe0003u 634 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 635 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 636 #define KVM_S390_MCHK 0xfffe1000u 637 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 638 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 639 #define KVM_S390_INT_VIRTIO 0xffff2603u 640 #define KVM_S390_INT_SERVICE 0xffff2401u 641 #define KVM_S390_INT_EMERGENCY 0xffff1201u 642 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 643 /* Anything below 0xfffe0000u is taken by INT_IO */ 644 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 645 (((schid)) | \ 646 ((ssid) << 16) | \ 647 ((cssid) << 18) | \ 648 ((ai) << 26)) 649 #define KVM_S390_INT_IO_MIN 0x00000000u 650 #define KVM_S390_INT_IO_MAX 0xfffdffffu 651 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 652 653 654 struct kvm_s390_interrupt { 655 __u32 type; 656 __u32 parm; 657 __u64 parm64; 658 }; 659 660 struct kvm_s390_io_info { 661 __u16 subchannel_id; 662 __u16 subchannel_nr; 663 __u32 io_int_parm; 664 __u32 io_int_word; 665 }; 666 667 struct kvm_s390_ext_info { 668 __u32 ext_params; 669 __u32 pad; 670 __u64 ext_params2; 671 }; 672 673 struct kvm_s390_pgm_info { 674 __u64 trans_exc_code; 675 __u64 mon_code; 676 __u64 per_address; 677 __u32 data_exc_code; 678 __u16 code; 679 __u16 mon_class_nr; 680 __u8 per_code; 681 __u8 per_atmid; 682 __u8 exc_access_id; 683 __u8 per_access_id; 684 __u8 op_access_id; 685 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 686 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 687 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 688 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 689 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 690 __u8 flags; 691 __u8 pad[2]; 692 }; 693 694 struct kvm_s390_prefix_info { 695 __u32 address; 696 }; 697 698 struct kvm_s390_extcall_info { 699 __u16 code; 700 }; 701 702 struct kvm_s390_emerg_info { 703 __u16 code; 704 }; 705 706 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 707 struct kvm_s390_stop_info { 708 __u32 flags; 709 }; 710 711 struct kvm_s390_mchk_info { 712 __u64 cr14; 713 __u64 mcic; 714 __u64 failing_storage_address; 715 __u32 ext_damage_code; 716 __u32 pad; 717 __u8 fixed_logout[16]; 718 }; 719 720 struct kvm_s390_irq { 721 __u64 type; 722 union { 723 struct kvm_s390_io_info io; 724 struct kvm_s390_ext_info ext; 725 struct kvm_s390_pgm_info pgm; 726 struct kvm_s390_emerg_info emerg; 727 struct kvm_s390_extcall_info extcall; 728 struct kvm_s390_prefix_info prefix; 729 struct kvm_s390_stop_info stop; 730 struct kvm_s390_mchk_info mchk; 731 char reserved[64]; 732 } u; 733 }; 734 735 struct kvm_s390_irq_state { 736 __u64 buf; 737 __u32 flags; /* will stay unused for compatibility reasons */ 738 __u32 len; 739 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 740 }; 741 742 /* for KVM_SET_GUEST_DEBUG */ 743 744 #define KVM_GUESTDBG_ENABLE 0x00000001 745 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 746 747 struct kvm_guest_debug { 748 __u32 control; 749 __u32 pad; 750 struct kvm_guest_debug_arch arch; 751 }; 752 753 enum { 754 kvm_ioeventfd_flag_nr_datamatch, 755 kvm_ioeventfd_flag_nr_pio, 756 kvm_ioeventfd_flag_nr_deassign, 757 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 758 kvm_ioeventfd_flag_nr_fast_mmio, 759 kvm_ioeventfd_flag_nr_max, 760 }; 761 762 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 763 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 764 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 765 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 766 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 767 768 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 769 770 struct kvm_ioeventfd { 771 __u64 datamatch; 772 __u64 addr; /* legal pio/mmio address */ 773 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 774 __s32 fd; 775 __u32 flags; 776 __u8 pad[36]; 777 }; 778 779 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 780 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 781 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 782 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 783 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 784 KVM_X86_DISABLE_EXITS_HLT | \ 785 KVM_X86_DISABLE_EXITS_PAUSE | \ 786 KVM_X86_DISABLE_EXITS_CSTATE) 787 788 /* for KVM_ENABLE_CAP */ 789 struct kvm_enable_cap { 790 /* in */ 791 __u32 cap; 792 __u32 flags; 793 __u64 args[4]; 794 __u8 pad[64]; 795 }; 796 797 /* for KVM_PPC_GET_PVINFO */ 798 799 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 800 801 struct kvm_ppc_pvinfo { 802 /* out */ 803 __u32 flags; 804 __u32 hcall[4]; 805 __u8 pad[108]; 806 }; 807 808 /* for KVM_PPC_GET_SMMU_INFO */ 809 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 810 811 struct kvm_ppc_one_page_size { 812 __u32 page_shift; /* Page shift (or 0) */ 813 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 814 }; 815 816 struct kvm_ppc_one_seg_page_size { 817 __u32 page_shift; /* Base page shift of segment (or 0) */ 818 __u32 slb_enc; /* SLB encoding for BookS */ 819 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 820 }; 821 822 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 823 #define KVM_PPC_1T_SEGMENTS 0x00000002 824 #define KVM_PPC_NO_HASH 0x00000004 825 826 struct kvm_ppc_smmu_info { 827 __u64 flags; 828 __u32 slb_size; 829 __u16 data_keys; /* # storage keys supported for data */ 830 __u16 instr_keys; /* # storage keys supported for instructions */ 831 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 832 }; 833 834 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 835 struct kvm_ppc_resize_hpt { 836 __u64 flags; 837 __u32 shift; 838 __u32 pad; 839 }; 840 841 #define KVMIO 0xAE 842 843 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 844 #define KVM_VM_S390_UCONTROL 1 845 846 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 847 #define KVM_VM_PPC_HV 1 848 #define KVM_VM_PPC_PR 2 849 850 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 851 #define KVM_VM_MIPS_AUTO 0 852 #define KVM_VM_MIPS_VZ 1 853 #define KVM_VM_MIPS_TE 2 854 855 #define KVM_S390_SIE_PAGE_OFFSET 1 856 857 /* 858 * On arm64, machine type can be used to request the physical 859 * address size for the VM. Bits[7-0] are reserved for the guest 860 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 861 * value 0 implies the default IPA size, 40bits. 862 */ 863 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 864 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 865 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 866 867 #define KVM_VM_TYPE_ARM_PROTECTED (1UL << 31) 868 869 #define KVM_VM_TYPE_MASK (KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \ 870 KVM_VM_TYPE_ARM_PROTECTED) 871 872 /* 873 * ioctls for /dev/kvm fds: 874 */ 875 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 876 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 877 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 878 879 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 880 /* 881 * Check if a kvm extension is available. Argument is extension number, 882 * return is 1 (yes) or 0 (no, sorry). 883 */ 884 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 885 /* 886 * Get size for mmap(vcpu_fd) 887 */ 888 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 889 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 890 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 891 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 892 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 893 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 894 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 895 896 /* 897 * Extension capability list. 898 */ 899 #define KVM_CAP_IRQCHIP 0 900 #define KVM_CAP_HLT 1 901 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 902 #define KVM_CAP_USER_MEMORY 3 903 #define KVM_CAP_SET_TSS_ADDR 4 904 #define KVM_CAP_VAPIC 6 905 #define KVM_CAP_EXT_CPUID 7 906 #define KVM_CAP_CLOCKSOURCE 8 907 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 908 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 909 #define KVM_CAP_PIT 11 910 #define KVM_CAP_NOP_IO_DELAY 12 911 #define KVM_CAP_PV_MMU 13 912 #define KVM_CAP_MP_STATE 14 913 #define KVM_CAP_COALESCED_MMIO 15 914 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 915 #define KVM_CAP_IOMMU 18 916 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 917 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 918 #define KVM_CAP_USER_NMI 22 919 #ifdef __KVM_HAVE_GUEST_DEBUG 920 #define KVM_CAP_SET_GUEST_DEBUG 23 921 #endif 922 #ifdef __KVM_HAVE_PIT 923 #define KVM_CAP_REINJECT_CONTROL 24 924 #endif 925 #define KVM_CAP_IRQ_ROUTING 25 926 #define KVM_CAP_IRQ_INJECT_STATUS 26 927 #define KVM_CAP_ASSIGN_DEV_IRQ 29 928 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 929 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 930 #ifdef __KVM_HAVE_MCE 931 #define KVM_CAP_MCE 31 932 #endif 933 #define KVM_CAP_IRQFD 32 934 #ifdef __KVM_HAVE_PIT 935 #define KVM_CAP_PIT2 33 936 #endif 937 #define KVM_CAP_SET_BOOT_CPU_ID 34 938 #ifdef __KVM_HAVE_PIT_STATE2 939 #define KVM_CAP_PIT_STATE2 35 940 #endif 941 #define KVM_CAP_IOEVENTFD 36 942 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 943 #ifdef __KVM_HAVE_XEN_HVM 944 #define KVM_CAP_XEN_HVM 38 945 #endif 946 #define KVM_CAP_ADJUST_CLOCK 39 947 #define KVM_CAP_INTERNAL_ERROR_DATA 40 948 #ifdef __KVM_HAVE_VCPU_EVENTS 949 #define KVM_CAP_VCPU_EVENTS 41 950 #endif 951 #define KVM_CAP_S390_PSW 42 952 #define KVM_CAP_PPC_SEGSTATE 43 953 #define KVM_CAP_HYPERV 44 954 #define KVM_CAP_HYPERV_VAPIC 45 955 #define KVM_CAP_HYPERV_SPIN 46 956 #define KVM_CAP_PCI_SEGMENT 47 957 #define KVM_CAP_PPC_PAIRED_SINGLES 48 958 #define KVM_CAP_INTR_SHADOW 49 959 #ifdef __KVM_HAVE_DEBUGREGS 960 #define KVM_CAP_DEBUGREGS 50 961 #endif 962 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 963 #define KVM_CAP_PPC_OSI 52 964 #define KVM_CAP_PPC_UNSET_IRQ 53 965 #define KVM_CAP_ENABLE_CAP 54 966 #ifdef __KVM_HAVE_XSAVE 967 #define KVM_CAP_XSAVE 55 968 #endif 969 #ifdef __KVM_HAVE_XCRS 970 #define KVM_CAP_XCRS 56 971 #endif 972 #define KVM_CAP_PPC_GET_PVINFO 57 973 #define KVM_CAP_PPC_IRQ_LEVEL 58 974 #define KVM_CAP_ASYNC_PF 59 975 #define KVM_CAP_TSC_CONTROL 60 976 #define KVM_CAP_GET_TSC_KHZ 61 977 #define KVM_CAP_PPC_BOOKE_SREGS 62 978 #define KVM_CAP_SPAPR_TCE 63 979 #define KVM_CAP_PPC_SMT 64 980 #define KVM_CAP_PPC_RMA 65 981 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 982 #define KVM_CAP_PPC_HIOR 67 983 #define KVM_CAP_PPC_PAPR 68 984 #define KVM_CAP_SW_TLB 69 985 #define KVM_CAP_ONE_REG 70 986 #define KVM_CAP_S390_GMAP 71 987 #define KVM_CAP_TSC_DEADLINE_TIMER 72 988 #define KVM_CAP_S390_UCONTROL 73 989 #define KVM_CAP_SYNC_REGS 74 990 #define KVM_CAP_PCI_2_3 75 991 #define KVM_CAP_KVMCLOCK_CTRL 76 992 #define KVM_CAP_SIGNAL_MSI 77 993 #define KVM_CAP_PPC_GET_SMMU_INFO 78 994 #define KVM_CAP_S390_COW 79 995 #define KVM_CAP_PPC_ALLOC_HTAB 80 996 #define KVM_CAP_READONLY_MEM 81 997 #define KVM_CAP_IRQFD_RESAMPLE 82 998 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 999 #define KVM_CAP_PPC_HTAB_FD 84 1000 #define KVM_CAP_S390_CSS_SUPPORT 85 1001 #define KVM_CAP_PPC_EPR 86 1002 #define KVM_CAP_ARM_PSCI 87 1003 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1004 #define KVM_CAP_DEVICE_CTRL 89 1005 #define KVM_CAP_IRQ_MPIC 90 1006 #define KVM_CAP_PPC_RTAS 91 1007 #define KVM_CAP_IRQ_XICS 92 1008 #define KVM_CAP_ARM_EL1_32BIT 93 1009 #define KVM_CAP_SPAPR_MULTITCE 94 1010 #define KVM_CAP_EXT_EMUL_CPUID 95 1011 #define KVM_CAP_HYPERV_TIME 96 1012 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1013 #define KVM_CAP_ENABLE_CAP_VM 98 1014 #define KVM_CAP_S390_IRQCHIP 99 1015 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1016 #define KVM_CAP_VM_ATTRIBUTES 101 1017 #define KVM_CAP_ARM_PSCI_0_2 102 1018 #define KVM_CAP_PPC_FIXUP_HCALL 103 1019 #define KVM_CAP_PPC_ENABLE_HCALL 104 1020 #define KVM_CAP_CHECK_EXTENSION_VM 105 1021 #define KVM_CAP_S390_USER_SIGP 106 1022 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1023 #define KVM_CAP_S390_MEM_OP 108 1024 #define KVM_CAP_S390_USER_STSI 109 1025 #define KVM_CAP_S390_SKEYS 110 1026 #define KVM_CAP_MIPS_FPU 111 1027 #define KVM_CAP_MIPS_MSA 112 1028 #define KVM_CAP_S390_INJECT_IRQ 113 1029 #define KVM_CAP_S390_IRQ_STATE 114 1030 #define KVM_CAP_PPC_HWRNG 115 1031 #define KVM_CAP_DISABLE_QUIRKS 116 1032 #define KVM_CAP_X86_SMM 117 1033 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1034 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1035 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1036 #define KVM_CAP_SPLIT_IRQCHIP 121 1037 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1038 #define KVM_CAP_HYPERV_SYNIC 123 1039 #define KVM_CAP_S390_RI 124 1040 #define KVM_CAP_SPAPR_TCE_64 125 1041 #define KVM_CAP_ARM_PMU_V3 126 1042 #define KVM_CAP_VCPU_ATTRIBUTES 127 1043 #define KVM_CAP_MAX_VCPU_ID 128 1044 #define KVM_CAP_X2APIC_API 129 1045 #define KVM_CAP_S390_USER_INSTR0 130 1046 #define KVM_CAP_MSI_DEVID 131 1047 #define KVM_CAP_PPC_HTM 132 1048 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1049 #define KVM_CAP_PPC_MMU_RADIX 134 1050 #define KVM_CAP_PPC_MMU_HASH_V3 135 1051 #define KVM_CAP_IMMEDIATE_EXIT 136 1052 #define KVM_CAP_MIPS_VZ 137 1053 #define KVM_CAP_MIPS_TE 138 1054 #define KVM_CAP_MIPS_64BIT 139 1055 #define KVM_CAP_S390_GS 140 1056 #define KVM_CAP_S390_AIS 141 1057 #define KVM_CAP_SPAPR_TCE_VFIO 142 1058 #define KVM_CAP_X86_DISABLE_EXITS 143 1059 #define KVM_CAP_ARM_USER_IRQ 144 1060 #define KVM_CAP_S390_CMMA_MIGRATION 145 1061 #define KVM_CAP_PPC_FWNMI 146 1062 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1063 #define KVM_CAP_HYPERV_SYNIC2 148 1064 #define KVM_CAP_HYPERV_VP_INDEX 149 1065 #define KVM_CAP_S390_AIS_MIGRATION 150 1066 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1067 #define KVM_CAP_S390_BPB 152 1068 #define KVM_CAP_GET_MSR_FEATURES 153 1069 #define KVM_CAP_HYPERV_EVENTFD 154 1070 #define KVM_CAP_HYPERV_TLBFLUSH 155 1071 #define KVM_CAP_S390_HPAGE_1M 156 1072 #define KVM_CAP_NESTED_STATE 157 1073 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1074 #define KVM_CAP_MSR_PLATFORM_INFO 159 1075 #define KVM_CAP_PPC_NESTED_HV 160 1076 #define KVM_CAP_HYPERV_SEND_IPI 161 1077 #define KVM_CAP_COALESCED_PIO 162 1078 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1079 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1080 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1081 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1082 #define KVM_CAP_HYPERV_CPUID 167 1083 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1084 #define KVM_CAP_PPC_IRQ_XIVE 169 1085 #define KVM_CAP_ARM_SVE 170 1086 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1087 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1088 #define KVM_CAP_PMU_EVENT_FILTER 173 1089 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1090 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1091 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1092 #define KVM_CAP_ARM_NISV_TO_USER 177 1093 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1094 #define KVM_CAP_S390_VCPU_RESETS 179 1095 #define KVM_CAP_S390_PROTECTED 180 1096 #define KVM_CAP_PPC_SECURE_GUEST 181 1097 #define KVM_CAP_HALT_POLL 182 1098 #define KVM_CAP_ASYNC_PF_INT 183 1099 #define KVM_CAP_LAST_CPU 184 1100 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1101 #define KVM_CAP_S390_DIAG318 186 1102 #define KVM_CAP_STEAL_TIME 187 1103 #define KVM_CAP_X86_USER_SPACE_MSR 188 1104 #define KVM_CAP_X86_MSR_FILTER 189 1105 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1106 #define KVM_CAP_SYS_HYPERV_CPUID 191 1107 #define KVM_CAP_DIRTY_LOG_RING 192 1108 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1109 #define KVM_CAP_PPC_DAWR1 194 1110 #define KVM_CAP_SET_GUEST_DEBUG2 195 1111 #define KVM_CAP_SGX_ATTRIBUTE 196 1112 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1113 #define KVM_CAP_PTP_KVM 198 1114 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1115 #define KVM_CAP_SREGS2 200 1116 #define KVM_CAP_EXIT_HYPERCALL 201 1117 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1118 #define KVM_CAP_BINARY_STATS_FD 203 1119 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1120 #define KVM_CAP_ARM_MTE 205 1121 #define KVM_CAP_ARM_PROTECTED_VM 0xffbadab1 1122 1123 #ifdef KVM_CAP_IRQ_ROUTING 1124 1125 struct kvm_irq_routing_irqchip { 1126 __u32 irqchip; 1127 __u32 pin; 1128 }; 1129 1130 struct kvm_irq_routing_msi { 1131 __u32 address_lo; 1132 __u32 address_hi; 1133 __u32 data; 1134 union { 1135 __u32 pad; 1136 __u32 devid; 1137 }; 1138 }; 1139 1140 struct kvm_irq_routing_s390_adapter { 1141 __u64 ind_addr; 1142 __u64 summary_addr; 1143 __u64 ind_offset; 1144 __u32 summary_offset; 1145 __u32 adapter_id; 1146 }; 1147 1148 struct kvm_irq_routing_hv_sint { 1149 __u32 vcpu; 1150 __u32 sint; 1151 }; 1152 1153 /* gsi routing entry types */ 1154 #define KVM_IRQ_ROUTING_IRQCHIP 1 1155 #define KVM_IRQ_ROUTING_MSI 2 1156 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1157 #define KVM_IRQ_ROUTING_HV_SINT 4 1158 1159 struct kvm_irq_routing_entry { 1160 __u32 gsi; 1161 __u32 type; 1162 __u32 flags; 1163 __u32 pad; 1164 union { 1165 struct kvm_irq_routing_irqchip irqchip; 1166 struct kvm_irq_routing_msi msi; 1167 struct kvm_irq_routing_s390_adapter adapter; 1168 struct kvm_irq_routing_hv_sint hv_sint; 1169 __u32 pad[8]; 1170 } u; 1171 }; 1172 1173 struct kvm_irq_routing { 1174 __u32 nr; 1175 __u32 flags; 1176 struct kvm_irq_routing_entry entries[0]; 1177 }; 1178 1179 #endif 1180 1181 #ifdef KVM_CAP_MCE 1182 /* x86 MCE */ 1183 struct kvm_x86_mce { 1184 __u64 status; 1185 __u64 addr; 1186 __u64 misc; 1187 __u64 mcg_status; 1188 __u8 bank; 1189 __u8 pad1[7]; 1190 __u64 pad2[3]; 1191 }; 1192 #endif 1193 1194 #ifdef KVM_CAP_XEN_HVM 1195 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1196 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1197 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1198 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1199 1200 struct kvm_xen_hvm_config { 1201 __u32 flags; 1202 __u32 msr; 1203 __u64 blob_addr_32; 1204 __u64 blob_addr_64; 1205 __u8 blob_size_32; 1206 __u8 blob_size_64; 1207 __u8 pad2[30]; 1208 }; 1209 #endif 1210 1211 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1212 /* 1213 * Available with KVM_CAP_IRQFD_RESAMPLE 1214 * 1215 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1216 * the irqfd to operate in resampling mode for level triggered interrupt 1217 * emulation. See Documentation/virt/kvm/api.rst. 1218 */ 1219 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1220 1221 struct kvm_irqfd { 1222 __u32 fd; 1223 __u32 gsi; 1224 __u32 flags; 1225 __u32 resamplefd; 1226 __u8 pad[16]; 1227 }; 1228 1229 /* For KVM_CAP_ADJUST_CLOCK */ 1230 1231 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1232 #define KVM_CLOCK_TSC_STABLE 2 1233 1234 struct kvm_clock_data { 1235 __u64 clock; 1236 __u32 flags; 1237 __u32 pad[9]; 1238 }; 1239 1240 /* For KVM_CAP_SW_TLB */ 1241 1242 #define KVM_MMU_FSL_BOOKE_NOHV 0 1243 #define KVM_MMU_FSL_BOOKE_HV 1 1244 1245 struct kvm_config_tlb { 1246 __u64 params; 1247 __u64 array; 1248 __u32 mmu_type; 1249 __u32 array_len; 1250 }; 1251 1252 struct kvm_dirty_tlb { 1253 __u64 bitmap; 1254 __u32 num_dirty; 1255 }; 1256 1257 /* Available with KVM_CAP_ONE_REG */ 1258 1259 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1260 #define KVM_REG_GENERIC 0x0000000000000000ULL 1261 1262 /* 1263 * Architecture specific registers are to be defined in arch headers and 1264 * ORed with the arch identifier. 1265 */ 1266 #define KVM_REG_PPC 0x1000000000000000ULL 1267 #define KVM_REG_X86 0x2000000000000000ULL 1268 #define KVM_REG_IA64 0x3000000000000000ULL 1269 #define KVM_REG_ARM 0x4000000000000000ULL 1270 #define KVM_REG_S390 0x5000000000000000ULL 1271 #define KVM_REG_ARM64 0x6000000000000000ULL 1272 #define KVM_REG_MIPS 0x7000000000000000ULL 1273 #define KVM_REG_RISCV 0x8000000000000000ULL 1274 1275 #define KVM_REG_SIZE_SHIFT 52 1276 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1277 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1278 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1279 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1280 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1281 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1282 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1283 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1284 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1285 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1286 1287 struct kvm_reg_list { 1288 __u64 n; /* number of regs */ 1289 __u64 reg[0]; 1290 }; 1291 1292 struct kvm_one_reg { 1293 __u64 id; 1294 __u64 addr; 1295 }; 1296 1297 #define KVM_MSI_VALID_DEVID (1U << 0) 1298 struct kvm_msi { 1299 __u32 address_lo; 1300 __u32 address_hi; 1301 __u32 data; 1302 __u32 flags; 1303 __u32 devid; 1304 __u8 pad[12]; 1305 }; 1306 1307 struct kvm_arm_device_addr { 1308 __u64 id; 1309 __u64 addr; 1310 }; 1311 1312 /* 1313 * Device control API, available with KVM_CAP_DEVICE_CTRL 1314 */ 1315 #define KVM_CREATE_DEVICE_TEST 1 1316 1317 struct kvm_create_device { 1318 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1319 __u32 fd; /* out: device handle */ 1320 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1321 }; 1322 1323 struct kvm_device_attr { 1324 __u32 flags; /* no flags currently defined */ 1325 __u32 group; /* device-defined */ 1326 __u64 attr; /* group-defined */ 1327 __u64 addr; /* userspace address of attr data */ 1328 }; 1329 1330 #define KVM_DEV_VFIO_GROUP 1 1331 #define KVM_DEV_VFIO_GROUP_ADD 1 1332 #define KVM_DEV_VFIO_GROUP_DEL 2 1333 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1334 1335 enum kvm_device_type { 1336 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1337 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1338 KVM_DEV_TYPE_FSL_MPIC_42, 1339 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1340 KVM_DEV_TYPE_XICS, 1341 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1342 KVM_DEV_TYPE_VFIO, 1343 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1344 KVM_DEV_TYPE_ARM_VGIC_V2, 1345 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1346 KVM_DEV_TYPE_FLIC, 1347 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1348 KVM_DEV_TYPE_ARM_VGIC_V3, 1349 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1350 KVM_DEV_TYPE_ARM_VGIC_ITS, 1351 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1352 KVM_DEV_TYPE_XIVE, 1353 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1354 KVM_DEV_TYPE_ARM_PV_TIME, 1355 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1356 KVM_DEV_TYPE_MAX, 1357 }; 1358 1359 struct kvm_vfio_spapr_tce { 1360 __s32 groupfd; 1361 __s32 tablefd; 1362 }; 1363 1364 /* 1365 * ioctls for VM fds 1366 */ 1367 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1368 /* 1369 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1370 * a vcpu fd. 1371 */ 1372 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1373 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1374 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1375 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1376 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1377 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 1378 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1379 struct kvm_userspace_memory_region) 1380 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1381 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1382 1383 /* enable ucontrol for s390 */ 1384 struct kvm_s390_ucas_mapping { 1385 __u64 user_addr; 1386 __u64 vcpu_addr; 1387 __u64 length; 1388 }; 1389 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1390 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1391 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1392 1393 /* Device model IOC */ 1394 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1395 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1396 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1397 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1398 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1399 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1400 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1401 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1402 #define KVM_REGISTER_COALESCED_MMIO \ 1403 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1404 #define KVM_UNREGISTER_COALESCED_MMIO \ 1405 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1406 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1407 struct kvm_assigned_pci_dev) 1408 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1409 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1410 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1411 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1412 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1413 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1414 struct kvm_assigned_pci_dev) 1415 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1416 struct kvm_assigned_msix_nr) 1417 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1418 struct kvm_assigned_msix_entry) 1419 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1420 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1421 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1422 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1423 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1424 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1425 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1426 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1427 /* Available with KVM_CAP_PIT_STATE2 */ 1428 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1429 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1430 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1431 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1432 /* Available with KVM_CAP_TSC_CONTROL */ 1433 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1434 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1435 /* Available with KVM_CAP_PCI_2_3 */ 1436 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1437 struct kvm_assigned_pci_dev) 1438 /* Available with KVM_CAP_SIGNAL_MSI */ 1439 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1440 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1441 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1442 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1443 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1444 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1445 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1446 struct kvm_create_spapr_tce_64) 1447 /* Available with KVM_CAP_RMA */ 1448 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1449 /* Available with KVM_CAP_PPC_HTAB_FD */ 1450 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1451 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1452 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1453 /* Available with KVM_CAP_PPC_RTAS */ 1454 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1455 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1456 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1457 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1458 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1459 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1460 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1461 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1462 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1463 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1464 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1465 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1466 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1467 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1468 1469 /* ioctl for vm fd */ 1470 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1471 1472 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1473 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1474 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1475 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1476 1477 /* 1478 * ioctls for vcpu fds 1479 */ 1480 #define KVM_RUN _IO(KVMIO, 0x80) 1481 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1482 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1483 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1484 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1485 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1486 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1487 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1488 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1489 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1490 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1491 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1492 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1493 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1494 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1495 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1496 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1497 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1498 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1499 /* Available with KVM_CAP_VAPIC */ 1500 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1501 /* Available with KVM_CAP_VAPIC */ 1502 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1503 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1504 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1505 /* store status for s390 */ 1506 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1507 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1508 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1509 /* initial ipl psw for s390 */ 1510 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1511 /* initial reset for s390 */ 1512 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1513 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1514 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1515 /* Available with KVM_CAP_USER_NMI */ 1516 #define KVM_NMI _IO(KVMIO, 0x9a) 1517 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1518 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1519 /* MCE for x86 */ 1520 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1521 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1522 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1523 /* Available with KVM_CAP_VCPU_EVENTS */ 1524 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1525 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1526 /* Available with KVM_CAP_DEBUGREGS */ 1527 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1528 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1529 /* 1530 * vcpu version available with KVM_ENABLE_CAP 1531 * vm version available with KVM_CAP_ENABLE_CAP_VM 1532 */ 1533 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1534 /* Available with KVM_CAP_XSAVE */ 1535 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1536 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1537 /* Available with KVM_CAP_XCRS */ 1538 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1539 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1540 /* Available with KVM_CAP_SW_TLB */ 1541 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1542 /* Available with KVM_CAP_ONE_REG */ 1543 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1544 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1545 /* VM is being stopped by host */ 1546 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1547 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1548 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1549 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1550 /* Available with KVM_CAP_S390_MEM_OP */ 1551 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1552 /* Available with KVM_CAP_S390_SKEYS */ 1553 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1554 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1555 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1556 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1557 /* Available with KVM_CAP_S390_IRQ_STATE */ 1558 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1559 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1560 /* Available with KVM_CAP_X86_SMM */ 1561 #define KVM_SMI _IO(KVMIO, 0xb7) 1562 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1563 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1564 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1565 /* Memory Encryption Commands */ 1566 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1567 1568 struct kvm_enc_region { 1569 __u64 addr; 1570 __u64 size; 1571 }; 1572 1573 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1574 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1575 1576 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1577 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1578 1579 /* Available with KVM_CAP_NESTED_STATE */ 1580 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1581 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1582 1583 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1584 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1585 1586 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1587 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1588 1589 /* Available with KVM_CAP_ARM_SVE */ 1590 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1591 1592 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1593 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1594 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1595 1596 struct kvm_s390_pv_sec_parm { 1597 __u64 origin; 1598 __u64 length; 1599 }; 1600 1601 struct kvm_s390_pv_unp { 1602 __u64 addr; 1603 __u64 size; 1604 __u64 tweak; 1605 }; 1606 1607 enum pv_cmd_id { 1608 KVM_PV_ENABLE, 1609 KVM_PV_DISABLE, 1610 KVM_PV_SET_SEC_PARMS, 1611 KVM_PV_UNPACK, 1612 KVM_PV_VERIFY, 1613 KVM_PV_PREP_RESET, 1614 KVM_PV_UNSHARE_ALL, 1615 }; 1616 1617 struct kvm_pv_cmd { 1618 __u32 cmd; /* Command to be executed */ 1619 __u16 rc; /* Ultravisor return code */ 1620 __u16 rrc; /* Ultravisor return reason code */ 1621 __u64 data; /* Data or address */ 1622 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1623 __u32 reserved[3]; 1624 }; 1625 1626 /* Available with KVM_CAP_S390_PROTECTED */ 1627 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1628 1629 /* Available with KVM_CAP_X86_MSR_FILTER */ 1630 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1631 1632 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1633 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1634 1635 /* Per-VM Xen attributes */ 1636 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1637 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1638 1639 struct kvm_xen_hvm_attr { 1640 __u16 type; 1641 __u16 pad[3]; 1642 union { 1643 __u8 long_mode; 1644 __u8 vector; 1645 struct { 1646 __u64 gfn; 1647 } shared_info; 1648 __u64 pad[8]; 1649 } u; 1650 }; 1651 1652 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1653 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1654 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1655 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1656 1657 /* Per-vCPU Xen attributes */ 1658 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1659 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1660 1661 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1662 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1663 1664 struct kvm_xen_vcpu_attr { 1665 __u16 type; 1666 __u16 pad[3]; 1667 union { 1668 __u64 gpa; 1669 __u64 pad[8]; 1670 struct { 1671 __u64 state; 1672 __u64 state_entry_time; 1673 __u64 time_running; 1674 __u64 time_runnable; 1675 __u64 time_blocked; 1676 __u64 time_offline; 1677 } runstate; 1678 } u; 1679 }; 1680 1681 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1682 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1683 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1684 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1685 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1686 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1687 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1688 1689 /* Secure Encrypted Virtualization command */ 1690 enum sev_cmd_id { 1691 /* Guest initialization commands */ 1692 KVM_SEV_INIT = 0, 1693 KVM_SEV_ES_INIT, 1694 /* Guest launch commands */ 1695 KVM_SEV_LAUNCH_START, 1696 KVM_SEV_LAUNCH_UPDATE_DATA, 1697 KVM_SEV_LAUNCH_UPDATE_VMSA, 1698 KVM_SEV_LAUNCH_SECRET, 1699 KVM_SEV_LAUNCH_MEASURE, 1700 KVM_SEV_LAUNCH_FINISH, 1701 /* Guest migration commands (outgoing) */ 1702 KVM_SEV_SEND_START, 1703 KVM_SEV_SEND_UPDATE_DATA, 1704 KVM_SEV_SEND_UPDATE_VMSA, 1705 KVM_SEV_SEND_FINISH, 1706 /* Guest migration commands (incoming) */ 1707 KVM_SEV_RECEIVE_START, 1708 KVM_SEV_RECEIVE_UPDATE_DATA, 1709 KVM_SEV_RECEIVE_UPDATE_VMSA, 1710 KVM_SEV_RECEIVE_FINISH, 1711 /* Guest status and debug commands */ 1712 KVM_SEV_GUEST_STATUS, 1713 KVM_SEV_DBG_DECRYPT, 1714 KVM_SEV_DBG_ENCRYPT, 1715 /* Guest certificates commands */ 1716 KVM_SEV_CERT_EXPORT, 1717 /* Attestation report */ 1718 KVM_SEV_GET_ATTESTATION_REPORT, 1719 /* Guest Migration Extension */ 1720 KVM_SEV_SEND_CANCEL, 1721 1722 KVM_SEV_NR_MAX, 1723 }; 1724 1725 struct kvm_sev_cmd { 1726 __u32 id; 1727 __u64 data; 1728 __u32 error; 1729 __u32 sev_fd; 1730 }; 1731 1732 struct kvm_sev_launch_start { 1733 __u32 handle; 1734 __u32 policy; 1735 __u64 dh_uaddr; 1736 __u32 dh_len; 1737 __u64 session_uaddr; 1738 __u32 session_len; 1739 }; 1740 1741 struct kvm_sev_launch_update_data { 1742 __u64 uaddr; 1743 __u32 len; 1744 }; 1745 1746 1747 struct kvm_sev_launch_secret { 1748 __u64 hdr_uaddr; 1749 __u32 hdr_len; 1750 __u64 guest_uaddr; 1751 __u32 guest_len; 1752 __u64 trans_uaddr; 1753 __u32 trans_len; 1754 }; 1755 1756 struct kvm_sev_launch_measure { 1757 __u64 uaddr; 1758 __u32 len; 1759 }; 1760 1761 struct kvm_sev_guest_status { 1762 __u32 handle; 1763 __u32 policy; 1764 __u32 state; 1765 }; 1766 1767 struct kvm_sev_dbg { 1768 __u64 src_uaddr; 1769 __u64 dst_uaddr; 1770 __u32 len; 1771 }; 1772 1773 struct kvm_sev_attestation_report { 1774 __u8 mnonce[16]; 1775 __u64 uaddr; 1776 __u32 len; 1777 }; 1778 1779 struct kvm_sev_send_start { 1780 __u32 policy; 1781 __u64 pdh_cert_uaddr; 1782 __u32 pdh_cert_len; 1783 __u64 plat_certs_uaddr; 1784 __u32 plat_certs_len; 1785 __u64 amd_certs_uaddr; 1786 __u32 amd_certs_len; 1787 __u64 session_uaddr; 1788 __u32 session_len; 1789 }; 1790 1791 struct kvm_sev_send_update_data { 1792 __u64 hdr_uaddr; 1793 __u32 hdr_len; 1794 __u64 guest_uaddr; 1795 __u32 guest_len; 1796 __u64 trans_uaddr; 1797 __u32 trans_len; 1798 }; 1799 1800 struct kvm_sev_receive_start { 1801 __u32 handle; 1802 __u32 policy; 1803 __u64 pdh_uaddr; 1804 __u32 pdh_len; 1805 __u64 session_uaddr; 1806 __u32 session_len; 1807 }; 1808 1809 struct kvm_sev_receive_update_data { 1810 __u64 hdr_uaddr; 1811 __u32 hdr_len; 1812 __u64 guest_uaddr; 1813 __u32 guest_len; 1814 __u64 trans_uaddr; 1815 __u32 trans_len; 1816 }; 1817 1818 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1819 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1820 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1821 1822 struct kvm_assigned_pci_dev { 1823 __u32 assigned_dev_id; 1824 __u32 busnr; 1825 __u32 devfn; 1826 __u32 flags; 1827 __u32 segnr; 1828 union { 1829 __u32 reserved[11]; 1830 }; 1831 }; 1832 1833 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1834 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1835 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1836 1837 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1838 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1839 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1840 1841 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1842 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1843 1844 struct kvm_assigned_irq { 1845 __u32 assigned_dev_id; 1846 __u32 host_irq; /* ignored (legacy field) */ 1847 __u32 guest_irq; 1848 __u32 flags; 1849 union { 1850 __u32 reserved[12]; 1851 }; 1852 }; 1853 1854 struct kvm_assigned_msix_nr { 1855 __u32 assigned_dev_id; 1856 __u16 entry_nr; 1857 __u16 padding; 1858 }; 1859 1860 #define KVM_MAX_MSIX_PER_DEV 256 1861 struct kvm_assigned_msix_entry { 1862 __u32 assigned_dev_id; 1863 __u32 gsi; 1864 __u16 entry; /* The index of entry in the MSI-X table */ 1865 __u16 padding[3]; 1866 }; 1867 1868 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 1869 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 1870 1871 /* Available with KVM_CAP_ARM_USER_IRQ */ 1872 1873 /* Bits for run->s.regs.device_irq_level */ 1874 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1875 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1876 #define KVM_ARM_DEV_PMU (1 << 2) 1877 1878 struct kvm_hyperv_eventfd { 1879 __u32 conn_id; 1880 __s32 fd; 1881 __u32 flags; 1882 __u32 padding[3]; 1883 }; 1884 1885 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 1886 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 1887 1888 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1889 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1890 1891 /* 1892 * Arch needs to define the macro after implementing the dirty ring 1893 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1894 * starting page offset of the dirty ring structures. 1895 */ 1896 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1897 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1898 #endif 1899 1900 /* 1901 * KVM dirty GFN flags, defined as: 1902 * 1903 * |---------------+---------------+--------------| 1904 * | bit 1 (reset) | bit 0 (dirty) | Status | 1905 * |---------------+---------------+--------------| 1906 * | 0 | 0 | Invalid GFN | 1907 * | 0 | 1 | Dirty GFN | 1908 * | 1 | X | GFN to reset | 1909 * |---------------+---------------+--------------| 1910 * 1911 * Lifecycle of a dirty GFN goes like: 1912 * 1913 * dirtied harvested reset 1914 * 00 -----------> 01 -------------> 1X -------+ 1915 * ^ | 1916 * | | 1917 * +------------------------------------------+ 1918 * 1919 * The userspace program is only responsible for the 01->1X state 1920 * conversion after harvesting an entry. Also, it must not skip any 1921 * dirty bits, so that dirty bits are always harvested in sequence. 1922 */ 1923 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1924 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1925 #define KVM_DIRTY_GFN_F_MASK 0x3 1926 1927 /* 1928 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1929 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1930 * size of the gfn buffer is decided by the first argument when 1931 * enabling KVM_CAP_DIRTY_LOG_RING. 1932 */ 1933 struct kvm_dirty_gfn { 1934 __u32 flags; 1935 __u32 slot; 1936 __u64 offset; 1937 }; 1938 1939 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1940 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1941 1942 /** 1943 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1944 * @flags: Some extra information for header, always 0 for now. 1945 * @name_size: The size in bytes of the memory which contains statistics 1946 * name string including trailing '\0'. The memory is allocated 1947 * at the send of statistics descriptor. 1948 * @num_desc: The number of statistics the vm or vcpu has. 1949 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1950 * by vm/vcpu stats fd. 1951 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1952 * pointd by vm/vcpu stats fd. 1953 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1954 * pointed by vm/vcpu stats fd. 1955 * 1956 * This is the header userspace needs to read from stats fd before any other 1957 * readings. It is used by userspace to discover all the information about the 1958 * vm/vcpu's binary statistics. 1959 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1960 */ 1961 struct kvm_stats_header { 1962 __u32 flags; 1963 __u32 name_size; 1964 __u32 num_desc; 1965 __u32 id_offset; 1966 __u32 desc_offset; 1967 __u32 data_offset; 1968 }; 1969 1970 #define KVM_STATS_TYPE_SHIFT 0 1971 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1972 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1973 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1974 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1975 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1976 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1977 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1978 1979 #define KVM_STATS_UNIT_SHIFT 4 1980 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1981 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1982 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1983 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1984 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1985 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES 1986 1987 #define KVM_STATS_BASE_SHIFT 8 1988 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1989 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1990 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1991 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1992 1993 /** 1994 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1995 * @flags: Annotations of the stats, like type, unit, etc. 1996 * @exponent: Used together with @flags to determine the unit. 1997 * @size: The number of data items for this stats. 1998 * Every data item is of type __u64. 1999 * @offset: The offset of the stats to the start of stat structure in 2000 * structure kvm or kvm_vcpu. 2001 * @bucket_size: A parameter value used for histogram stats. It is only used 2002 * for linear histogram stats, specifying the size of the bucket; 2003 * @name: The name string for the stats. Its size is indicated by the 2004 * &kvm_stats_header->name_size. 2005 */ 2006 struct kvm_stats_desc { 2007 __u32 flags; 2008 __s16 exponent; 2009 __u16 size; 2010 __u32 offset; 2011 __u32 bucket_size; 2012 char name[]; 2013 }; 2014 2015 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2016 2017 #endif /* __LINUX_KVM_H */ 2018