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 #ifdef __KERNEL__ 18 #include <linux/kvm_types.h> 19 #endif 20 21 #define KVM_API_VERSION 12 22 23 /* 24 * Backwards-compatible definitions. 25 */ 26 #define __KVM_HAVE_GUEST_DEBUG 27 28 /* for KVM_SET_USER_MEMORY_REGION */ 29 struct kvm_userspace_memory_region { 30 __u32 slot; 31 __u32 flags; 32 __u64 guest_phys_addr; 33 __u64 memory_size; /* bytes */ 34 __u64 userspace_addr; /* start of the userspace allocated memory */ 35 }; 36 37 /* for KVM_SET_USER_MEMORY_REGION2 */ 38 struct kvm_userspace_memory_region2 { 39 __u32 slot; 40 __u32 flags; 41 __u64 guest_phys_addr; 42 __u64 memory_size; 43 __u64 userspace_addr; 44 __u64 guest_memfd_offset; 45 __u32 guest_memfd; 46 __u32 pad1; 47 __u64 pad2[14]; 48 }; 49 50 /* 51 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 52 * userspace, other bits are reserved for kvm internal use which are defined 53 * in include/linux/kvm_host.h. 54 */ 55 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 56 #define KVM_MEM_READONLY (1UL << 1) 57 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 58 59 /* for KVM_IRQ_LINE */ 60 struct kvm_irq_level { 61 /* 62 * ACPI gsi notion of irq. 63 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 64 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 65 * For ARM: See Documentation/virt/kvm/api.rst 66 */ 67 union { 68 __u32 irq; 69 __s32 status; 70 }; 71 __u32 level; 72 }; 73 74 75 struct kvm_irqchip { 76 __u32 chip_id; 77 __u32 pad; 78 union { 79 char dummy[512]; /* reserving space */ 80 #ifdef __KVM_HAVE_PIT 81 struct kvm_pic_state pic; 82 #endif 83 #ifdef __KVM_HAVE_IOAPIC 84 struct kvm_ioapic_state ioapic; 85 #endif 86 } chip; 87 }; 88 89 /* for KVM_CREATE_PIT2 */ 90 struct kvm_pit_config { 91 __u32 flags; 92 __u32 pad[15]; 93 }; 94 95 #define KVM_PIT_SPEAKER_DUMMY 1 96 97 struct kvm_hyperv_exit { 98 #define KVM_EXIT_HYPERV_SYNIC 1 99 #define KVM_EXIT_HYPERV_HCALL 2 100 #define KVM_EXIT_HYPERV_SYNDBG 3 101 __u32 type; 102 __u32 pad1; 103 union { 104 struct { 105 __u32 msr; 106 __u32 pad2; 107 __u64 control; 108 __u64 evt_page; 109 __u64 msg_page; 110 } synic; 111 struct { 112 __u64 input; 113 __u64 result; 114 __u64 params[2]; 115 } hcall; 116 struct { 117 __u32 msr; 118 __u32 pad2; 119 __u64 control; 120 __u64 status; 121 __u64 send_page; 122 __u64 recv_page; 123 __u64 pending_page; 124 } syndbg; 125 } u; 126 }; 127 128 struct kvm_xen_exit { 129 #define KVM_EXIT_XEN_HCALL 1 130 __u32 type; 131 union { 132 struct { 133 __u32 longmode; 134 __u32 cpl; 135 __u64 input; 136 __u64 result; 137 __u64 params[6]; 138 } hcall; 139 } u; 140 }; 141 142 struct kvm_exit_snp_req_certs { 143 __u64 gpa; 144 __u64 npages; 145 __u64 ret; 146 }; 147 148 #define KVM_S390_GET_SKEYS_NONE 1 149 #define KVM_S390_SKEYS_MAX 1048576 150 151 #define KVM_EXIT_UNKNOWN 0 152 #define KVM_EXIT_EXCEPTION 1 153 #define KVM_EXIT_IO 2 154 #define KVM_EXIT_HYPERCALL 3 155 #define KVM_EXIT_DEBUG 4 156 #define KVM_EXIT_HLT 5 157 #define KVM_EXIT_MMIO 6 158 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 159 #define KVM_EXIT_SHUTDOWN 8 160 #define KVM_EXIT_FAIL_ENTRY 9 161 #define KVM_EXIT_INTR 10 162 #define KVM_EXIT_SET_TPR 11 163 #define KVM_EXIT_TPR_ACCESS 12 164 #define KVM_EXIT_S390_SIEIC 13 165 #define KVM_EXIT_S390_RESET 14 166 #define KVM_EXIT_DCR 15 /* deprecated */ 167 #define KVM_EXIT_NMI 16 168 #define KVM_EXIT_INTERNAL_ERROR 17 169 #define KVM_EXIT_OSI 18 170 #define KVM_EXIT_PAPR_HCALL 19 171 #define KVM_EXIT_S390_UCONTROL 20 172 #define KVM_EXIT_WATCHDOG 21 173 #define KVM_EXIT_S390_TSCH 22 174 #define KVM_EXIT_EPR 23 175 #define KVM_EXIT_SYSTEM_EVENT 24 176 #define KVM_EXIT_S390_STSI 25 177 #define KVM_EXIT_IOAPIC_EOI 26 178 #define KVM_EXIT_HYPERV 27 179 #define KVM_EXIT_ARM_NISV 28 180 #define KVM_EXIT_X86_RDMSR 29 181 #define KVM_EXIT_X86_WRMSR 30 182 #define KVM_EXIT_DIRTY_RING_FULL 31 183 #define KVM_EXIT_AP_RESET_HOLD 32 184 #define KVM_EXIT_X86_BUS_LOCK 33 185 #define KVM_EXIT_XEN 34 186 #define KVM_EXIT_RISCV_SBI 35 187 #define KVM_EXIT_RISCV_CSR 36 188 #define KVM_EXIT_NOTIFY 37 189 #define KVM_EXIT_LOONGARCH_IOCSR 38 190 #define KVM_EXIT_MEMORY_FAULT 39 191 #define KVM_EXIT_TDX 40 192 #define KVM_EXIT_ARM_SEA 41 193 #define KVM_EXIT_ARM_LDST64B 42 194 #define KVM_EXIT_SNP_REQ_CERTS 43 195 196 /* For KVM_EXIT_INTERNAL_ERROR */ 197 /* Emulate instruction failed. */ 198 #define KVM_INTERNAL_ERROR_EMULATION 1 199 /* Encounter unexpected simultaneous exceptions. */ 200 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 201 /* Encounter unexpected vm-exit due to delivery event. */ 202 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 203 /* Encounter unexpected vm-exit reason */ 204 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 205 206 /* Flags that describe what fields in emulation_failure hold valid data. */ 207 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 208 209 /* 210 * struct kvm_run can be modified by userspace at any time, so KVM must be 211 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM() 212 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when 213 * compiled into the kernel, ensuring that any use within KVM is obvious and 214 * gets extra scrutiny. 215 */ 216 #ifdef __KERNEL__ 217 #define HINT_UNSAFE_IN_KVM(_symbol) _symbol##__unsafe 218 #else 219 #define HINT_UNSAFE_IN_KVM(_symbol) _symbol 220 #endif 221 222 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 223 struct kvm_run { 224 /* in */ 225 __u8 request_interrupt_window; 226 __u8 HINT_UNSAFE_IN_KVM(immediate_exit); 227 __u8 padding1[6]; 228 229 /* out */ 230 __u32 exit_reason; 231 __u8 ready_for_interrupt_injection; 232 __u8 if_flag; 233 __u16 flags; 234 235 /* in (pre_kvm_run), out (post_kvm_run) */ 236 __u64 cr8; 237 __u64 apic_base; 238 239 #ifdef __KVM_S390 240 /* the processor status word for s390 */ 241 __u64 psw_mask; /* psw upper half */ 242 __u64 psw_addr; /* psw lower half */ 243 #endif 244 union { 245 /* KVM_EXIT_UNKNOWN */ 246 struct { 247 __u64 hardware_exit_reason; 248 } hw; 249 /* KVM_EXIT_FAIL_ENTRY */ 250 struct { 251 __u64 hardware_entry_failure_reason; 252 __u32 cpu; 253 } fail_entry; 254 /* KVM_EXIT_EXCEPTION */ 255 struct { 256 __u32 exception; 257 __u32 error_code; 258 } ex; 259 /* KVM_EXIT_IO */ 260 struct { 261 #define KVM_EXIT_IO_IN 0 262 #define KVM_EXIT_IO_OUT 1 263 __u8 direction; 264 __u8 size; /* bytes */ 265 __u16 port; 266 __u32 count; 267 __u64 data_offset; /* relative to kvm_run start */ 268 } io; 269 /* KVM_EXIT_DEBUG */ 270 struct { 271 struct kvm_debug_exit_arch arch; 272 } debug; 273 /* KVM_EXIT_MMIO */ 274 struct { 275 __u64 phys_addr; 276 __u8 data[8]; 277 __u32 len; 278 __u8 is_write; 279 } mmio; 280 /* KVM_EXIT_LOONGARCH_IOCSR */ 281 struct { 282 __u64 phys_addr; 283 __u8 data[8]; 284 __u32 len; 285 __u8 is_write; 286 } iocsr_io; 287 /* KVM_EXIT_HYPERCALL */ 288 struct { 289 __u64 nr; 290 __u64 args[6]; 291 __u64 ret; 292 293 union { 294 #ifndef __KERNEL__ 295 __u32 longmode; 296 #endif 297 __u64 flags; 298 }; 299 } hypercall; 300 /* KVM_EXIT_TPR_ACCESS */ 301 struct { 302 __u64 rip; 303 __u32 is_write; 304 __u32 pad; 305 } tpr_access; 306 /* KVM_EXIT_S390_SIEIC */ 307 struct { 308 __u8 icptcode; 309 __u16 ipa; 310 __u32 ipb; 311 } s390_sieic; 312 /* KVM_EXIT_S390_RESET */ 313 __u64 s390_reset_flags; 314 /* KVM_EXIT_S390_UCONTROL */ 315 struct { 316 __u64 trans_exc_code; 317 __u32 pgm_code; 318 } s390_ucontrol; 319 /* KVM_EXIT_DCR (deprecated) */ 320 struct { 321 __u32 dcrn; 322 __u32 data; 323 __u8 is_write; 324 } dcr; 325 /* KVM_EXIT_INTERNAL_ERROR */ 326 struct { 327 __u32 suberror; 328 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 329 __u32 ndata; 330 __u64 data[16]; 331 } internal; 332 /* 333 * KVM_INTERNAL_ERROR_EMULATION 334 * 335 * "struct emulation_failure" is an overlay of "struct internal" 336 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 337 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 338 * sub-types, this struct is ABI! It also needs to be backwards 339 * compatible with "struct internal". Take special care that 340 * "ndata" is correct, that new fields are enumerated in "flags", 341 * and that each flag enumerates fields that are 64-bit aligned 342 * and sized (so that ndata+internal.data[] is valid/accurate). 343 * 344 * Space beyond the defined fields may be used to store arbitrary 345 * debug information relating to the emulation failure. It is 346 * accounted for in "ndata" but the format is unspecified and is 347 * not represented in "flags". Any such information is *not* ABI! 348 */ 349 struct { 350 __u32 suberror; 351 __u32 ndata; 352 __u64 flags; 353 union { 354 struct { 355 __u8 insn_size; 356 __u8 insn_bytes[15]; 357 }; 358 }; 359 /* Arbitrary debug data may follow. */ 360 } emulation_failure; 361 /* KVM_EXIT_OSI */ 362 struct { 363 __u64 gprs[32]; 364 } osi; 365 /* KVM_EXIT_PAPR_HCALL */ 366 struct { 367 __u64 nr; 368 __u64 ret; 369 __u64 args[9]; 370 } papr_hcall; 371 /* KVM_EXIT_S390_TSCH */ 372 struct { 373 __u16 subchannel_id; 374 __u16 subchannel_nr; 375 __u32 io_int_parm; 376 __u32 io_int_word; 377 __u32 ipb; 378 __u8 dequeued; 379 } s390_tsch; 380 /* KVM_EXIT_EPR */ 381 struct { 382 __u32 epr; 383 } epr; 384 /* KVM_EXIT_SYSTEM_EVENT */ 385 struct { 386 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 387 #define KVM_SYSTEM_EVENT_RESET 2 388 #define KVM_SYSTEM_EVENT_CRASH 3 389 #define KVM_SYSTEM_EVENT_WAKEUP 4 390 #define KVM_SYSTEM_EVENT_SUSPEND 5 391 #define KVM_SYSTEM_EVENT_SEV_TERM 6 392 #define KVM_SYSTEM_EVENT_TDX_FATAL 7 393 __u32 type; 394 __u32 ndata; 395 union { 396 #ifndef __KERNEL__ 397 __u64 flags; 398 #endif 399 __u64 data[16]; 400 }; 401 } system_event; 402 /* KVM_EXIT_S390_STSI */ 403 struct { 404 __u64 addr; 405 __u8 ar; 406 __u8 reserved; 407 __u8 fc; 408 __u8 sel1; 409 __u16 sel2; 410 } s390_stsi; 411 /* KVM_EXIT_IOAPIC_EOI */ 412 struct { 413 __u8 vector; 414 } eoi; 415 /* KVM_EXIT_HYPERV */ 416 struct kvm_hyperv_exit hyperv; 417 /* KVM_EXIT_ARM_NISV / KVM_EXIT_ARM_LDST64B */ 418 struct { 419 __u64 esr_iss; 420 __u64 fault_ipa; 421 } arm_nisv; 422 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 423 struct { 424 __u8 error; /* user -> kernel */ 425 __u8 pad[7]; 426 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 427 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 428 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 429 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 430 KVM_MSR_EXIT_REASON_UNKNOWN | \ 431 KVM_MSR_EXIT_REASON_FILTER) 432 __u32 reason; /* kernel -> user */ 433 __u32 index; /* kernel -> user */ 434 __u64 data; /* kernel <-> user */ 435 } msr; 436 /* KVM_EXIT_XEN */ 437 struct kvm_xen_exit xen; 438 /* KVM_EXIT_RISCV_SBI */ 439 struct { 440 unsigned long extension_id; 441 unsigned long function_id; 442 unsigned long args[6]; 443 unsigned long ret[2]; 444 } riscv_sbi; 445 /* KVM_EXIT_RISCV_CSR */ 446 struct { 447 unsigned long csr_num; 448 unsigned long new_value; 449 unsigned long write_mask; 450 unsigned long ret_value; 451 } riscv_csr; 452 /* KVM_EXIT_NOTIFY */ 453 struct { 454 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 455 __u32 flags; 456 } notify; 457 /* KVM_EXIT_MEMORY_FAULT */ 458 struct { 459 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 460 __u64 flags; 461 __u64 gpa; 462 __u64 size; 463 } memory_fault; 464 /* KVM_EXIT_TDX */ 465 struct { 466 __u64 flags; 467 __u64 nr; 468 union { 469 struct { 470 __u64 ret; 471 __u64 data[5]; 472 } unknown; 473 struct { 474 __u64 ret; 475 __u64 gpa; 476 __u64 size; 477 } get_quote; 478 struct { 479 __u64 ret; 480 __u64 leaf; 481 __u64 r11, r12, r13, r14; 482 } get_tdvmcall_info; 483 struct { 484 __u64 ret; 485 __u64 vector; 486 } setup_event_notify; 487 }; 488 } tdx; 489 /* KVM_EXIT_ARM_SEA */ 490 struct { 491 #define KVM_EXIT_ARM_SEA_FLAG_GPA_VALID (1ULL << 0) 492 __u64 flags; 493 __u64 esr; 494 __u64 gva; 495 __u64 gpa; 496 } arm_sea; 497 /* KVM_EXIT_SNP_REQ_CERTS */ 498 struct kvm_exit_snp_req_certs snp_req_certs; 499 /* Fix the size of the union. */ 500 char padding[256]; 501 }; 502 503 /* 2048 is the size of the char array used to bound/pad the size 504 * of the union that holds sync regs. 505 */ 506 #define SYNC_REGS_SIZE_BYTES 2048 507 /* 508 * shared registers between kvm and userspace. 509 * kvm_valid_regs specifies the register classes set by the host 510 * kvm_dirty_regs specified the register classes dirtied by userspace 511 * struct kvm_sync_regs is architecture specific, as well as the 512 * bits for kvm_valid_regs and kvm_dirty_regs 513 */ 514 __u64 kvm_valid_regs; 515 __u64 kvm_dirty_regs; 516 union { 517 struct kvm_sync_regs regs; 518 char padding[SYNC_REGS_SIZE_BYTES]; 519 } s; 520 }; 521 522 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 523 524 struct kvm_coalesced_mmio_zone { 525 __u64 addr; 526 __u32 size; 527 union { 528 __u32 pad; 529 __u32 pio; 530 }; 531 }; 532 533 struct kvm_coalesced_mmio { 534 __u64 phys_addr; 535 __u32 len; 536 union { 537 __u32 pad; 538 __u32 pio; 539 }; 540 __u8 data[8]; 541 }; 542 543 struct kvm_coalesced_mmio_ring { 544 __u32 first, last; 545 struct kvm_coalesced_mmio coalesced_mmio[]; 546 }; 547 548 #define KVM_COALESCED_MMIO_MAX \ 549 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 550 sizeof(struct kvm_coalesced_mmio)) 551 552 /* for KVM_TRANSLATE */ 553 struct kvm_translation { 554 /* in */ 555 __u64 linear_address; 556 557 /* out */ 558 __u64 physical_address; 559 __u8 valid; 560 __u8 writeable; 561 __u8 usermode; 562 __u8 pad[5]; 563 }; 564 565 /* for KVM_INTERRUPT */ 566 struct kvm_interrupt { 567 /* in */ 568 __u32 irq; 569 }; 570 571 /* for KVM_GET_DIRTY_LOG */ 572 struct kvm_dirty_log { 573 __u32 slot; 574 __u32 padding1; 575 union { 576 void __user *dirty_bitmap; /* one bit per page */ 577 __u64 padding2; 578 }; 579 }; 580 581 /* for KVM_CLEAR_DIRTY_LOG */ 582 struct kvm_clear_dirty_log { 583 __u32 slot; 584 __u32 num_pages; 585 __u64 first_page; 586 union { 587 void __user *dirty_bitmap; /* one bit per page */ 588 __u64 padding2; 589 }; 590 }; 591 592 /* for KVM_SET_SIGNAL_MASK */ 593 struct kvm_signal_mask { 594 __u32 len; 595 __u8 sigset[]; 596 }; 597 598 /* for KVM_TPR_ACCESS_REPORTING */ 599 struct kvm_tpr_access_ctl { 600 __u32 enabled; 601 __u32 flags; 602 __u32 reserved[8]; 603 }; 604 605 /* for KVM_SET_VAPIC_ADDR */ 606 struct kvm_vapic_addr { 607 __u64 vapic_addr; 608 }; 609 610 /* for KVM_SET_MP_STATE */ 611 612 /* not all states are valid on all architectures */ 613 #define KVM_MP_STATE_RUNNABLE 0 614 #define KVM_MP_STATE_UNINITIALIZED 1 615 #define KVM_MP_STATE_INIT_RECEIVED 2 616 #define KVM_MP_STATE_HALTED 3 617 #define KVM_MP_STATE_SIPI_RECEIVED 4 618 #define KVM_MP_STATE_STOPPED 5 619 #define KVM_MP_STATE_CHECK_STOP 6 620 #define KVM_MP_STATE_OPERATING 7 621 #define KVM_MP_STATE_LOAD 8 622 #define KVM_MP_STATE_AP_RESET_HOLD 9 623 #define KVM_MP_STATE_SUSPENDED 10 624 625 struct kvm_mp_state { 626 __u32 mp_state; 627 }; 628 629 /* for KVM_SET_GUEST_DEBUG */ 630 631 #define KVM_GUESTDBG_ENABLE 0x00000001 632 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 633 634 struct kvm_guest_debug { 635 __u32 control; 636 __u32 pad; 637 struct kvm_guest_debug_arch arch; 638 }; 639 640 enum { 641 kvm_ioeventfd_flag_nr_datamatch, 642 kvm_ioeventfd_flag_nr_pio, 643 kvm_ioeventfd_flag_nr_deassign, 644 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 645 kvm_ioeventfd_flag_nr_fast_mmio, 646 kvm_ioeventfd_flag_nr_max, 647 }; 648 649 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 650 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 651 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 652 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 653 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 654 655 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 656 657 struct kvm_ioeventfd { 658 __u64 datamatch; 659 __u64 addr; /* legal pio/mmio address */ 660 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 661 __s32 fd; 662 __u32 flags; 663 __u8 pad[36]; 664 }; 665 666 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 667 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 668 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 669 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 670 #define KVM_X86_DISABLE_EXITS_APERFMPERF (1 << 4) 671 672 /* for KVM_ENABLE_CAP */ 673 struct kvm_enable_cap { 674 /* in */ 675 __u32 cap; 676 __u32 flags; 677 __u64 args[4]; 678 __u8 pad[64]; 679 }; 680 681 #define KVMIO 0xAE 682 683 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 684 #define KVM_VM_S390_UCONTROL 1 685 686 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 687 #define KVM_VM_PPC_HV 1 688 #define KVM_VM_PPC_PR 2 689 690 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 691 #define KVM_VM_MIPS_AUTO 0 692 #define KVM_VM_MIPS_VZ 1 693 #define KVM_VM_MIPS_TE 2 694 695 #define KVM_S390_SIE_PAGE_OFFSET 1 696 697 /* 698 * On arm64, machine type can be used to request the physical 699 * address size for the VM. Bits[7-0] are reserved for the guest 700 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 701 * value 0 implies the default IPA size, 40bits. 702 */ 703 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 704 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 705 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 706 /* 707 * ioctls for /dev/kvm fds: 708 */ 709 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 710 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 711 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 712 713 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 714 /* 715 * Check if a kvm extension is available. Argument is extension number, 716 * return is 1 (yes) or 0 (no, sorry). 717 */ 718 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 719 /* 720 * Get size for mmap(vcpu_fd) 721 */ 722 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 723 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 724 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 725 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 726 727 /* 728 * Extension capability list. 729 */ 730 #define KVM_CAP_IRQCHIP 0 731 #define KVM_CAP_HLT 1 732 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 733 #define KVM_CAP_USER_MEMORY 3 734 #define KVM_CAP_SET_TSS_ADDR 4 735 #define KVM_CAP_VAPIC 6 736 #define KVM_CAP_EXT_CPUID 7 737 #define KVM_CAP_CLOCKSOURCE 8 738 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 739 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 740 #define KVM_CAP_PIT 11 741 #define KVM_CAP_NOP_IO_DELAY 12 742 #define KVM_CAP_PV_MMU 13 743 #define KVM_CAP_MP_STATE 14 744 #define KVM_CAP_COALESCED_MMIO 15 745 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 746 #define KVM_CAP_IOMMU 18 747 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 748 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 749 #define KVM_CAP_USER_NMI 22 750 #define KVM_CAP_SET_GUEST_DEBUG 23 751 #ifdef __KVM_HAVE_PIT 752 #define KVM_CAP_REINJECT_CONTROL 24 753 #endif 754 #define KVM_CAP_IRQ_ROUTING 25 755 #define KVM_CAP_IRQ_INJECT_STATUS 26 756 #define KVM_CAP_ASSIGN_DEV_IRQ 29 757 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 758 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 759 #ifdef __KVM_HAVE_MCE 760 #define KVM_CAP_MCE 31 761 #endif 762 #define KVM_CAP_IRQFD 32 763 #ifdef __KVM_HAVE_PIT 764 #define KVM_CAP_PIT2 33 765 #endif 766 #define KVM_CAP_SET_BOOT_CPU_ID 34 767 #ifdef __KVM_HAVE_PIT_STATE2 768 #define KVM_CAP_PIT_STATE2 35 769 #endif 770 #define KVM_CAP_IOEVENTFD 36 771 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 772 #ifdef __KVM_HAVE_XEN_HVM 773 #define KVM_CAP_XEN_HVM 38 774 #endif 775 #define KVM_CAP_ADJUST_CLOCK 39 776 #define KVM_CAP_INTERNAL_ERROR_DATA 40 777 #ifdef __KVM_HAVE_VCPU_EVENTS 778 #define KVM_CAP_VCPU_EVENTS 41 779 #endif 780 #define KVM_CAP_S390_PSW 42 781 #define KVM_CAP_PPC_SEGSTATE 43 782 #define KVM_CAP_HYPERV 44 783 #define KVM_CAP_HYPERV_VAPIC 45 784 #define KVM_CAP_HYPERV_SPIN 46 785 #define KVM_CAP_PCI_SEGMENT 47 786 #define KVM_CAP_PPC_PAIRED_SINGLES 48 787 #define KVM_CAP_INTR_SHADOW 49 788 #ifdef __KVM_HAVE_DEBUGREGS 789 #define KVM_CAP_DEBUGREGS 50 790 #endif 791 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 792 #define KVM_CAP_PPC_OSI 52 793 #define KVM_CAP_PPC_UNSET_IRQ 53 794 #define KVM_CAP_ENABLE_CAP 54 795 #ifdef __KVM_HAVE_XSAVE 796 #define KVM_CAP_XSAVE 55 797 #endif 798 #ifdef __KVM_HAVE_XCRS 799 #define KVM_CAP_XCRS 56 800 #endif 801 #define KVM_CAP_PPC_GET_PVINFO 57 802 #define KVM_CAP_PPC_IRQ_LEVEL 58 803 #define KVM_CAP_ASYNC_PF 59 804 #define KVM_CAP_TSC_CONTROL 60 805 #define KVM_CAP_GET_TSC_KHZ 61 806 #define KVM_CAP_PPC_BOOKE_SREGS 62 807 #define KVM_CAP_SPAPR_TCE 63 808 #define KVM_CAP_PPC_SMT 64 809 #define KVM_CAP_PPC_RMA 65 810 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 811 #define KVM_CAP_PPC_HIOR 67 812 #define KVM_CAP_PPC_PAPR 68 813 #define KVM_CAP_SW_TLB 69 814 #define KVM_CAP_ONE_REG 70 815 #define KVM_CAP_S390_GMAP 71 816 #define KVM_CAP_TSC_DEADLINE_TIMER 72 817 #define KVM_CAP_S390_UCONTROL 73 818 #define KVM_CAP_SYNC_REGS 74 819 #define KVM_CAP_PCI_2_3 75 820 #define KVM_CAP_KVMCLOCK_CTRL 76 821 #define KVM_CAP_SIGNAL_MSI 77 822 #define KVM_CAP_PPC_GET_SMMU_INFO 78 823 #define KVM_CAP_S390_COW 79 824 #define KVM_CAP_PPC_ALLOC_HTAB 80 825 #define KVM_CAP_READONLY_MEM 81 826 #define KVM_CAP_IRQFD_RESAMPLE 82 827 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 828 #define KVM_CAP_PPC_HTAB_FD 84 829 #define KVM_CAP_S390_CSS_SUPPORT 85 830 #define KVM_CAP_PPC_EPR 86 831 #define KVM_CAP_ARM_PSCI 87 832 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 833 #define KVM_CAP_DEVICE_CTRL 89 834 #define KVM_CAP_IRQ_MPIC 90 835 #define KVM_CAP_PPC_RTAS 91 836 #define KVM_CAP_IRQ_XICS 92 837 #define KVM_CAP_ARM_EL1_32BIT 93 838 #define KVM_CAP_SPAPR_MULTITCE 94 839 #define KVM_CAP_EXT_EMUL_CPUID 95 840 #define KVM_CAP_HYPERV_TIME 96 841 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 842 #define KVM_CAP_ENABLE_CAP_VM 98 843 #define KVM_CAP_S390_IRQCHIP 99 844 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 845 #define KVM_CAP_VM_ATTRIBUTES 101 846 #define KVM_CAP_ARM_PSCI_0_2 102 847 #define KVM_CAP_PPC_FIXUP_HCALL 103 848 #define KVM_CAP_PPC_ENABLE_HCALL 104 849 #define KVM_CAP_CHECK_EXTENSION_VM 105 850 #define KVM_CAP_S390_USER_SIGP 106 851 #define KVM_CAP_S390_VECTOR_REGISTERS 107 852 #define KVM_CAP_S390_MEM_OP 108 853 #define KVM_CAP_S390_USER_STSI 109 854 #define KVM_CAP_S390_SKEYS 110 855 #define KVM_CAP_MIPS_FPU 111 856 #define KVM_CAP_MIPS_MSA 112 857 #define KVM_CAP_S390_INJECT_IRQ 113 858 #define KVM_CAP_S390_IRQ_STATE 114 859 #define KVM_CAP_PPC_HWRNG 115 860 #define KVM_CAP_DISABLE_QUIRKS 116 861 #define KVM_CAP_X86_SMM 117 862 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 863 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 864 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 865 #define KVM_CAP_SPLIT_IRQCHIP 121 866 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 867 #define KVM_CAP_HYPERV_SYNIC 123 868 #define KVM_CAP_S390_RI 124 869 #define KVM_CAP_SPAPR_TCE_64 125 870 #define KVM_CAP_ARM_PMU_V3 126 871 #define KVM_CAP_VCPU_ATTRIBUTES 127 872 #define KVM_CAP_MAX_VCPU_ID 128 873 #define KVM_CAP_X2APIC_API 129 874 #define KVM_CAP_S390_USER_INSTR0 130 875 #define KVM_CAP_MSI_DEVID 131 876 #define KVM_CAP_PPC_HTM 132 877 #define KVM_CAP_SPAPR_RESIZE_HPT 133 878 #define KVM_CAP_PPC_MMU_RADIX 134 879 #define KVM_CAP_PPC_MMU_HASH_V3 135 880 #define KVM_CAP_IMMEDIATE_EXIT 136 881 #define KVM_CAP_MIPS_VZ 137 882 #define KVM_CAP_MIPS_TE 138 883 #define KVM_CAP_MIPS_64BIT 139 884 #define KVM_CAP_S390_GS 140 885 #define KVM_CAP_S390_AIS 141 886 #define KVM_CAP_SPAPR_TCE_VFIO 142 887 #define KVM_CAP_X86_DISABLE_EXITS 143 888 #define KVM_CAP_ARM_USER_IRQ 144 889 #define KVM_CAP_S390_CMMA_MIGRATION 145 890 #define KVM_CAP_PPC_FWNMI 146 891 #define KVM_CAP_PPC_SMT_POSSIBLE 147 892 #define KVM_CAP_HYPERV_SYNIC2 148 893 #define KVM_CAP_HYPERV_VP_INDEX 149 894 #define KVM_CAP_S390_AIS_MIGRATION 150 895 #define KVM_CAP_PPC_GET_CPU_CHAR 151 896 #define KVM_CAP_S390_BPB 152 897 #define KVM_CAP_GET_MSR_FEATURES 153 898 #define KVM_CAP_HYPERV_EVENTFD 154 899 #define KVM_CAP_HYPERV_TLBFLUSH 155 900 #define KVM_CAP_S390_HPAGE_1M 156 901 #define KVM_CAP_NESTED_STATE 157 902 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 903 #define KVM_CAP_MSR_PLATFORM_INFO 159 904 #define KVM_CAP_PPC_NESTED_HV 160 905 #define KVM_CAP_HYPERV_SEND_IPI 161 906 #define KVM_CAP_COALESCED_PIO 162 907 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 908 #define KVM_CAP_EXCEPTION_PAYLOAD 164 909 #define KVM_CAP_ARM_VM_IPA_SIZE 165 910 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 911 #define KVM_CAP_HYPERV_CPUID 167 912 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 913 #define KVM_CAP_PPC_IRQ_XIVE 169 914 #define KVM_CAP_ARM_SVE 170 915 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 916 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 917 #define KVM_CAP_PMU_EVENT_FILTER 173 918 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 919 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 920 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 921 #define KVM_CAP_ARM_NISV_TO_USER 177 922 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 923 #define KVM_CAP_S390_VCPU_RESETS 179 924 #define KVM_CAP_S390_PROTECTED 180 925 #define KVM_CAP_PPC_SECURE_GUEST 181 926 #define KVM_CAP_HALT_POLL 182 927 #define KVM_CAP_ASYNC_PF_INT 183 928 #define KVM_CAP_LAST_CPU 184 929 #define KVM_CAP_SMALLER_MAXPHYADDR 185 930 #define KVM_CAP_S390_DIAG318 186 931 #define KVM_CAP_STEAL_TIME 187 932 #define KVM_CAP_X86_USER_SPACE_MSR 188 933 #define KVM_CAP_X86_MSR_FILTER 189 934 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 935 #define KVM_CAP_SYS_HYPERV_CPUID 191 936 #define KVM_CAP_DIRTY_LOG_RING 192 937 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 938 #define KVM_CAP_PPC_DAWR1 194 939 #define KVM_CAP_SET_GUEST_DEBUG2 195 940 #define KVM_CAP_SGX_ATTRIBUTE 196 941 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 942 #define KVM_CAP_PTP_KVM 198 943 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 944 #define KVM_CAP_SREGS2 200 945 #define KVM_CAP_EXIT_HYPERCALL 201 946 #define KVM_CAP_PPC_RPT_INVALIDATE 202 947 #define KVM_CAP_BINARY_STATS_FD 203 948 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 949 #define KVM_CAP_ARM_MTE 205 950 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 951 #define KVM_CAP_VM_GPA_BITS 207 952 #define KVM_CAP_XSAVE2 208 953 #define KVM_CAP_SYS_ATTRIBUTES 209 954 #define KVM_CAP_PPC_AIL_MODE_3 210 955 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 956 #define KVM_CAP_PMU_CAPABILITY 212 957 #define KVM_CAP_DISABLE_QUIRKS2 213 958 #define KVM_CAP_VM_TSC_CONTROL 214 959 #define KVM_CAP_SYSTEM_EVENT_DATA 215 960 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 961 #define KVM_CAP_S390_PROTECTED_DUMP 217 962 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 963 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 964 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 965 #define KVM_CAP_S390_ZPCI_OP 221 966 #define KVM_CAP_S390_CPU_TOPOLOGY 222 967 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 968 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 969 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 970 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 971 #define KVM_CAP_COUNTER_OFFSET 227 972 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 973 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 974 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 975 #define KVM_CAP_USER_MEMORY2 231 976 #define KVM_CAP_MEMORY_FAULT_INFO 232 977 #define KVM_CAP_MEMORY_ATTRIBUTES 233 978 #define KVM_CAP_GUEST_MEMFD 234 979 #define KVM_CAP_VM_TYPES 235 980 #define KVM_CAP_PRE_FAULT_MEMORY 236 981 #define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237 982 #define KVM_CAP_X86_GUEST_MODE 238 983 #define KVM_CAP_ARM_WRITABLE_IMP_ID_REGS 239 984 #define KVM_CAP_ARM_EL2 240 985 #define KVM_CAP_ARM_EL2_E2H0 241 986 #define KVM_CAP_RISCV_MP_STATE_RESET 242 987 #define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243 988 #define KVM_CAP_GUEST_MEMFD_FLAGS 244 989 #define KVM_CAP_ARM_SEA_TO_USER 245 990 #define KVM_CAP_S390_USER_OPEREXEC 246 991 #define KVM_CAP_S390_KEYOP 247 992 993 struct kvm_irq_routing_irqchip { 994 __u32 irqchip; 995 __u32 pin; 996 }; 997 998 struct kvm_irq_routing_msi { 999 __u32 address_lo; 1000 __u32 address_hi; 1001 __u32 data; 1002 union { 1003 __u32 pad; 1004 __u32 devid; 1005 }; 1006 }; 1007 1008 struct kvm_irq_routing_s390_adapter { 1009 __u64 ind_addr; 1010 __u64 summary_addr; 1011 __u64 ind_offset; 1012 __u32 summary_offset; 1013 __u32 adapter_id; 1014 }; 1015 1016 struct kvm_irq_routing_hv_sint { 1017 __u32 vcpu; 1018 __u32 sint; 1019 }; 1020 1021 struct kvm_irq_routing_xen_evtchn { 1022 __u32 port; 1023 __u32 vcpu; 1024 __u32 priority; 1025 }; 1026 1027 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1028 1029 /* gsi routing entry types */ 1030 #define KVM_IRQ_ROUTING_IRQCHIP 1 1031 #define KVM_IRQ_ROUTING_MSI 2 1032 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1033 #define KVM_IRQ_ROUTING_HV_SINT 4 1034 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1035 1036 struct kvm_irq_routing_entry { 1037 __u32 gsi; 1038 __u32 type; 1039 __u32 flags; 1040 __u32 pad; 1041 union { 1042 struct kvm_irq_routing_irqchip irqchip; 1043 struct kvm_irq_routing_msi msi; 1044 struct kvm_irq_routing_s390_adapter adapter; 1045 struct kvm_irq_routing_hv_sint hv_sint; 1046 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1047 __u32 pad[8]; 1048 } u; 1049 }; 1050 1051 struct kvm_irq_routing { 1052 __u32 nr; 1053 __u32 flags; 1054 struct kvm_irq_routing_entry entries[]; 1055 }; 1056 1057 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1058 /* 1059 * Available with KVM_CAP_IRQFD_RESAMPLE 1060 * 1061 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1062 * the irqfd to operate in resampling mode for level triggered interrupt 1063 * emulation. See Documentation/virt/kvm/api.rst. 1064 */ 1065 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1066 1067 struct kvm_irqfd { 1068 __u32 fd; 1069 __u32 gsi; 1070 __u32 flags; 1071 __u32 resamplefd; 1072 __u8 pad[16]; 1073 }; 1074 1075 /* For KVM_CAP_ADJUST_CLOCK */ 1076 1077 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1078 #define KVM_CLOCK_TSC_STABLE 2 1079 #define KVM_CLOCK_REALTIME (1 << 2) 1080 #define KVM_CLOCK_HOST_TSC (1 << 3) 1081 1082 struct kvm_clock_data { 1083 __u64 clock; 1084 __u32 flags; 1085 __u32 pad0; 1086 __u64 realtime; 1087 __u64 host_tsc; 1088 __u32 pad[4]; 1089 }; 1090 1091 /* For KVM_CAP_SW_TLB */ 1092 1093 #define KVM_MMU_FSL_BOOKE_NOHV 0 1094 #define KVM_MMU_FSL_BOOKE_HV 1 1095 1096 struct kvm_config_tlb { 1097 __u64 params; 1098 __u64 array; 1099 __u32 mmu_type; 1100 __u32 array_len; 1101 }; 1102 1103 struct kvm_dirty_tlb { 1104 __u64 bitmap; 1105 __u32 num_dirty; 1106 }; 1107 1108 /* Available with KVM_CAP_ONE_REG */ 1109 1110 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1111 #define KVM_REG_GENERIC 0x0000000000000000ULL 1112 1113 /* 1114 * Architecture specific registers are to be defined in arch headers and 1115 * ORed with the arch identifier. 1116 */ 1117 #define KVM_REG_PPC 0x1000000000000000ULL 1118 #define KVM_REG_X86 0x2000000000000000ULL 1119 #define KVM_REG_IA64 0x3000000000000000ULL 1120 #define KVM_REG_ARM 0x4000000000000000ULL 1121 #define KVM_REG_S390 0x5000000000000000ULL 1122 #define KVM_REG_ARM64 0x6000000000000000ULL 1123 #define KVM_REG_MIPS 0x7000000000000000ULL 1124 #define KVM_REG_RISCV 0x8000000000000000ULL 1125 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1126 1127 #define KVM_REG_SIZE_SHIFT 52 1128 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1129 1130 #define KVM_REG_SIZE(id) \ 1131 (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) 1132 1133 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1134 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1135 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1136 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1137 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1138 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1139 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1140 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1141 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1142 1143 struct kvm_reg_list { 1144 __u64 n; /* number of regs */ 1145 __u64 reg[]; 1146 }; 1147 1148 struct kvm_one_reg { 1149 __u64 id; 1150 __u64 addr; 1151 }; 1152 1153 #define KVM_MSI_VALID_DEVID (1U << 0) 1154 struct kvm_msi { 1155 __u32 address_lo; 1156 __u32 address_hi; 1157 __u32 data; 1158 __u32 flags; 1159 __u32 devid; 1160 __u8 pad[12]; 1161 }; 1162 1163 struct kvm_arm_device_addr { 1164 __u64 id; 1165 __u64 addr; 1166 }; 1167 1168 /* 1169 * Device control API, available with KVM_CAP_DEVICE_CTRL 1170 */ 1171 #define KVM_CREATE_DEVICE_TEST 1 1172 1173 struct kvm_create_device { 1174 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1175 __u32 fd; /* out: device handle */ 1176 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1177 }; 1178 1179 struct kvm_device_attr { 1180 __u32 flags; /* no flags currently defined */ 1181 __u32 group; /* device-defined */ 1182 __u64 attr; /* group-defined */ 1183 __u64 addr; /* userspace address of attr data */ 1184 }; 1185 1186 #define KVM_DEV_VFIO_FILE 1 1187 1188 #define KVM_DEV_VFIO_FILE_ADD 1 1189 #define KVM_DEV_VFIO_FILE_DEL 2 1190 1191 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1192 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1193 1194 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1195 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1196 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1197 1198 enum kvm_device_type { 1199 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1200 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1201 KVM_DEV_TYPE_FSL_MPIC_42, 1202 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1203 KVM_DEV_TYPE_XICS, 1204 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1205 KVM_DEV_TYPE_VFIO, 1206 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1207 KVM_DEV_TYPE_ARM_VGIC_V2, 1208 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1209 KVM_DEV_TYPE_FLIC, 1210 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1211 KVM_DEV_TYPE_ARM_VGIC_V3, 1212 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1213 KVM_DEV_TYPE_ARM_VGIC_ITS, 1214 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1215 KVM_DEV_TYPE_XIVE, 1216 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1217 KVM_DEV_TYPE_ARM_PV_TIME, 1218 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1219 KVM_DEV_TYPE_RISCV_AIA, 1220 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1221 KVM_DEV_TYPE_LOONGARCH_IPI, 1222 #define KVM_DEV_TYPE_LOONGARCH_IPI KVM_DEV_TYPE_LOONGARCH_IPI 1223 KVM_DEV_TYPE_LOONGARCH_EIOINTC, 1224 #define KVM_DEV_TYPE_LOONGARCH_EIOINTC KVM_DEV_TYPE_LOONGARCH_EIOINTC 1225 KVM_DEV_TYPE_LOONGARCH_PCHPIC, 1226 #define KVM_DEV_TYPE_LOONGARCH_PCHPIC KVM_DEV_TYPE_LOONGARCH_PCHPIC 1227 KVM_DEV_TYPE_ARM_VGIC_V5, 1228 #define KVM_DEV_TYPE_ARM_VGIC_V5 KVM_DEV_TYPE_ARM_VGIC_V5 1229 1230 KVM_DEV_TYPE_MAX, 1231 1232 }; 1233 1234 struct kvm_vfio_spapr_tce { 1235 __s32 groupfd; 1236 __s32 tablefd; 1237 }; 1238 1239 #define KVM_S390_KEYOP_ISKE 0x01 1240 #define KVM_S390_KEYOP_RRBE 0x02 1241 #define KVM_S390_KEYOP_SSKE 0x03 1242 struct kvm_s390_keyop { 1243 __u64 guest_addr; 1244 __u8 key; 1245 __u8 operation; 1246 __u8 pad[6]; 1247 }; 1248 1249 /* 1250 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1251 * a vcpu fd. 1252 */ 1253 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1254 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1255 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1256 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1257 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1258 struct kvm_userspace_memory_region) 1259 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1260 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1261 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1262 struct kvm_userspace_memory_region2) 1263 1264 /* enable ucontrol for s390 */ 1265 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1266 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1267 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1268 #define KVM_S390_KEYOP _IOWR(KVMIO, 0x53, struct kvm_s390_keyop) 1269 1270 /* Device model IOC */ 1271 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1272 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1273 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1274 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1275 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1276 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1277 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1278 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1279 #define KVM_REGISTER_COALESCED_MMIO \ 1280 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1281 #define KVM_UNREGISTER_COALESCED_MMIO \ 1282 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1283 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1284 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1285 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1286 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1287 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1288 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1289 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1290 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1291 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1292 /* Available with KVM_CAP_PIT_STATE2 */ 1293 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1294 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1295 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1296 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1297 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1298 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1299 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1300 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1301 /* Available with KVM_CAP_SIGNAL_MSI */ 1302 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1303 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1304 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1305 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1306 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1307 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1308 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1309 struct kvm_create_spapr_tce_64) 1310 /* Available with KVM_CAP_RMA */ 1311 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1312 /* Available with KVM_CAP_PPC_HTAB_FD */ 1313 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1314 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1315 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1316 /* Available with KVM_CAP_PPC_RTAS */ 1317 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1318 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1319 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1320 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1321 /* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */ 1322 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1323 /* Available with KVM_CAP_PPC_MMU_RADIX */ 1324 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1325 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1326 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1327 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1328 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1329 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1330 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1331 /* Available with KVM_CAP_COUNTER_OFFSET */ 1332 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1333 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1334 1335 /* ioctl for vm fd */ 1336 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1337 1338 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1339 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1340 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1341 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1342 1343 /* 1344 * ioctls for vcpu fds 1345 */ 1346 #define KVM_RUN _IO(KVMIO, 0x80) 1347 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1348 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1349 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1350 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1351 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1352 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1353 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1354 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1355 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1356 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1357 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1358 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1359 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1360 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1361 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1362 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1363 /* Available with KVM_CAP_VAPIC */ 1364 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1365 /* Available with KVM_CAP_VAPIC */ 1366 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1367 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1368 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1369 /* store status for s390 */ 1370 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1371 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1372 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1373 /* initial ipl psw for s390 */ 1374 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1375 /* initial reset for s390 */ 1376 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1377 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1378 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1379 /* Available with KVM_CAP_USER_NMI */ 1380 #define KVM_NMI _IO(KVMIO, 0x9a) 1381 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1382 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1383 /* MCE for x86 */ 1384 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1385 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1386 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1387 /* Available with KVM_CAP_VCPU_EVENTS */ 1388 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1389 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1390 /* Available with KVM_CAP_DEBUGREGS */ 1391 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1392 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1393 /* 1394 * vcpu version available with KVM_CAP_ENABLE_CAP 1395 * vm version available with KVM_CAP_ENABLE_CAP_VM 1396 */ 1397 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1398 /* Available with KVM_CAP_XSAVE */ 1399 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1400 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1401 /* Available with KVM_CAP_XCRS */ 1402 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1403 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1404 /* Available with KVM_CAP_SW_TLB */ 1405 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1406 /* Available with KVM_CAP_ONE_REG */ 1407 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1408 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1409 /* VM is being stopped by host */ 1410 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1411 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1412 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1413 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1414 /* Available with KVM_CAP_S390_MEM_OP */ 1415 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1416 /* Available with KVM_CAP_S390_SKEYS */ 1417 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1418 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1419 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1420 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1421 /* Available with KVM_CAP_S390_IRQ_STATE */ 1422 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1423 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1424 /* Available with KVM_CAP_X86_SMM */ 1425 #define KVM_SMI _IO(KVMIO, 0xb7) 1426 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1427 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1428 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1429 /* Memory Encryption Commands */ 1430 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1431 1432 struct kvm_enc_region { 1433 __u64 addr; 1434 __u64 size; 1435 }; 1436 1437 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1438 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1439 1440 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1441 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1442 1443 /* Available with KVM_CAP_NESTED_STATE */ 1444 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1445 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1446 1447 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1448 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1449 1450 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1451 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1452 1453 /* Available with KVM_CAP_ARM_SVE */ 1454 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1455 1456 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1457 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1458 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1459 1460 /* Available with KVM_CAP_S390_PROTECTED */ 1461 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1462 1463 /* Available with KVM_CAP_X86_MSR_FILTER */ 1464 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1465 1466 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1467 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1468 1469 /* Per-VM Xen attributes */ 1470 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1471 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1472 1473 /* Per-vCPU Xen attributes */ 1474 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1475 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1476 1477 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1478 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1479 1480 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1481 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1482 1483 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1484 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1485 1486 /* 1487 * Arch needs to define the macro after implementing the dirty ring 1488 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1489 * starting page offset of the dirty ring structures. 1490 */ 1491 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1492 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1493 #endif 1494 1495 /* 1496 * KVM dirty GFN flags, defined as: 1497 * 1498 * |---------------+---------------+--------------| 1499 * | bit 1 (reset) | bit 0 (dirty) | Status | 1500 * |---------------+---------------+--------------| 1501 * | 0 | 0 | Invalid GFN | 1502 * | 0 | 1 | Dirty GFN | 1503 * | 1 | X | GFN to reset | 1504 * |---------------+---------------+--------------| 1505 * 1506 * Lifecycle of a dirty GFN goes like: 1507 * 1508 * dirtied harvested reset 1509 * 00 -----------> 01 -------------> 1X -------+ 1510 * ^ | 1511 * | | 1512 * +------------------------------------------+ 1513 * 1514 * The userspace program is only responsible for the 01->1X state 1515 * conversion after harvesting an entry. Also, it must not skip any 1516 * dirty bits, so that dirty bits are always harvested in sequence. 1517 */ 1518 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1519 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1520 #define KVM_DIRTY_GFN_F_MASK 0x3 1521 1522 /* 1523 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1524 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1525 * size of the gfn buffer is decided by the first argument when 1526 * enabling KVM_CAP_DIRTY_LOG_RING. 1527 */ 1528 struct kvm_dirty_gfn { 1529 __u32 flags; 1530 __u32 slot; 1531 __u64 offset; 1532 }; 1533 1534 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1535 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1536 1537 #define KVM_PMU_CAP_DISABLE (1 << 0) 1538 1539 /** 1540 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1541 * @flags: Some extra information for header, always 0 for now. 1542 * @name_size: The size in bytes of the memory which contains statistics 1543 * name string including trailing '\0'. The memory is allocated 1544 * at the send of statistics descriptor. 1545 * @num_desc: The number of statistics the vm or vcpu has. 1546 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1547 * by vm/vcpu stats fd. 1548 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1549 * pointd by vm/vcpu stats fd. 1550 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1551 * pointed by vm/vcpu stats fd. 1552 * 1553 * This is the header userspace needs to read from stats fd before any other 1554 * readings. It is used by userspace to discover all the information about the 1555 * vm/vcpu's binary statistics. 1556 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1557 */ 1558 struct kvm_stats_header { 1559 __u32 flags; 1560 __u32 name_size; 1561 __u32 num_desc; 1562 __u32 id_offset; 1563 __u32 desc_offset; 1564 __u32 data_offset; 1565 }; 1566 1567 #define KVM_STATS_TYPE_SHIFT 0 1568 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1569 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1570 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1571 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1572 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1573 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1574 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1575 1576 #define KVM_STATS_UNIT_SHIFT 4 1577 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1578 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1579 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1580 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1581 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1582 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1583 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1584 1585 #define KVM_STATS_BASE_SHIFT 8 1586 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1587 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1588 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1589 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1590 1591 /** 1592 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1593 * @flags: Annotations of the stats, like type, unit, etc. 1594 * @exponent: Used together with @flags to determine the unit. 1595 * @size: The number of data items for this stats. 1596 * Every data item is of type __u64. 1597 * @offset: The offset of the stats to the start of stat structure in 1598 * structure kvm or kvm_vcpu. 1599 * @bucket_size: A parameter value used for histogram stats. It is only used 1600 * for linear histogram stats, specifying the size of the bucket; 1601 * @name: The name string for the stats. Its size is indicated by the 1602 * &kvm_stats_header->name_size. 1603 */ 1604 struct kvm_stats_desc { 1605 __u32 flags; 1606 __s16 exponent; 1607 __u16 size; 1608 __u32 offset; 1609 __u32 bucket_size; 1610 #ifdef __KERNEL__ 1611 char name[KVM_STATS_NAME_SIZE]; 1612 #else 1613 char name[]; 1614 #endif 1615 }; 1616 1617 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1618 1619 /* Available with KVM_CAP_XSAVE2 */ 1620 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1621 1622 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1623 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1624 1625 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1626 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1627 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1628 1629 /* Available with KVM_CAP_S390_ZPCI_OP */ 1630 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1631 1632 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1633 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1634 1635 struct kvm_memory_attributes { 1636 __u64 address; 1637 __u64 size; 1638 __u64 attributes; 1639 __u64 flags; 1640 }; 1641 1642 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1643 1644 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1645 #define GUEST_MEMFD_FLAG_MMAP (1ULL << 0) 1646 #define GUEST_MEMFD_FLAG_INIT_SHARED (1ULL << 1) 1647 1648 struct kvm_create_guest_memfd { 1649 __u64 size; 1650 __u64 flags; 1651 __u64 reserved[6]; 1652 }; 1653 1654 #define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory) 1655 1656 struct kvm_pre_fault_memory { 1657 __u64 gpa; 1658 __u64 size; 1659 __u64 flags; 1660 __u64 padding[5]; 1661 }; 1662 1663 #endif /* __LINUX_KVM_H */ 1664