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kvm.h
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linux-6.19.14/tools/include/uapi/linux/kvm.h
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef __LINUX_KVM_H 3#define __LINUX_KVM_H 4 5/* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11#include <linux/const.h> 12#include <linux/types.h> 13#include <linux/compiler.h> 14#include <linux/ioctl.h> 15#include <asm/kvm.h> 16 17#define KVM_API_VERSION 12 18 19/* 20 * Backwards-compatible definitions. 21 */ 22#define __KVM_HAVE_GUEST_DEBUG 23 24/* for KVM_SET_USER_MEMORY_REGION */ 25struct kvm_userspace_memory_region { 26 __u32 slot; 27 __u32 flags; 28 __u64 guest_phys_addr; 29 __u64 memory_size; /* bytes */ 30 __u64 userspace_addr; /* start of the userspace allocated memory */ 31}; 32 33/* for KVM_SET_USER_MEMORY_REGION2 */ 34struct kvm_userspace_memory_region2 { 35 __u32 slot; 36 __u32 flags; 37 __u64 guest_phys_addr; 38 __u64 memory_size; 39 __u64 userspace_addr; 40 __u64 guest_memfd_offset; 41 __u32 guest_memfd; 42 __u32 pad1; 43 __u64 pad2[14]; 44}; 45 46/* 47 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 48 * userspace, other bits are reserved for kvm internal use which are defined 49 * in include/linux/kvm_host.h. 50 */ 51#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 52#define KVM_MEM_READONLY (1UL << 1) 53#define KVM_MEM_GUEST_MEMFD (1UL << 2) 54 55/* for KVM_IRQ_LINE */ 56struct kvm_irq_level { 57 /* 58 * ACPI gsi notion of irq. 59 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 60 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 61 * For ARM: See Documentation/virt/kvm/api.rst 62 */ 63 union { 64 __u32 irq; 65 __s32 status; 66 }; 67 __u32 level; 68}; 69 70 71struct kvm_irqchip { 72 __u32 chip_id; 73 __u32 pad; 74 union { 75 char dummy[512]; /* reserving space */ 76#ifdef __KVM_HAVE_PIT 77 struct kvm_pic_state pic; 78#endif 79#ifdef __KVM_HAVE_IOAPIC 80 struct kvm_ioapic_state ioapic; 81#endif 82 } chip; 83}; 84 85/* for KVM_CREATE_PIT2 */ 86struct kvm_pit_config { 87 __u32 flags; 88 __u32 pad[15]; 89}; 90 91#define KVM_PIT_SPEAKER_DUMMY 1 92 93struct kvm_hyperv_exit { 94#define KVM_EXIT_HYPERV_SYNIC 1 95#define KVM_EXIT_HYPERV_HCALL 2 96#define KVM_EXIT_HYPERV_SYNDBG 3 97 __u32 type; 98 __u32 pad1; 99 union { 100 struct { 101 __u32 msr; 102 __u32 pad2; 103 __u64 control; 104 __u64 evt_page; 105 __u64 msg_page; 106 } synic; 107 struct { 108 __u64 input; 109 __u64 result; 110 __u64 params[2]; 111 } hcall; 112 struct { 113 __u32 msr; 114 __u32 pad2; 115 __u64 control; 116 __u64 status; 117 __u64 send_page; 118 __u64 recv_page; 119 __u64 pending_page; 120 } syndbg; 121 } u; 122}; 123 124struct kvm_xen_exit { 125#define KVM_EXIT_XEN_HCALL 1 126 __u32 type; 127 union { 128 struct { 129 __u32 longmode; 130 __u32 cpl; 131 __u64 input; 132 __u64 result; 133 __u64 params[6]; 134 } hcall; 135 } u; 136}; 137 138#define KVM_S390_GET_SKEYS_NONE 1 139#define KVM_S390_SKEYS_MAX 1048576 140 141#define KVM_EXIT_UNKNOWN 0 142#define KVM_EXIT_EXCEPTION 1 143#define KVM_EXIT_IO 2 144#define KVM_EXIT_HYPERCALL 3 145#define KVM_EXIT_DEBUG 4 146#define KVM_EXIT_HLT 5 147#define KVM_EXIT_MMIO 6 148#define KVM_EXIT_IRQ_WINDOW_OPEN 7 149#define KVM_EXIT_SHUTDOWN 8 150#define KVM_EXIT_FAIL_ENTRY 9 151#define KVM_EXIT_INTR 10 152#define KVM_EXIT_SET_TPR 11 153#define KVM_EXIT_TPR_ACCESS 12 154#define KVM_EXIT_S390_SIEIC 13 155#define KVM_EXIT_S390_RESET 14 156#define KVM_EXIT_DCR 15 /* deprecated */ 157#define KVM_EXIT_NMI 16 158#define KVM_EXIT_INTERNAL_ERROR 17 159#define KVM_EXIT_OSI 18 160#define KVM_EXIT_PAPR_HCALL 19 161#define KVM_EXIT_S390_UCONTROL 20 162#define KVM_EXIT_WATCHDOG 21 163#define KVM_EXIT_S390_TSCH 22 164#define KVM_EXIT_EPR 23 165#define KVM_EXIT_SYSTEM_EVENT 24 166#define KVM_EXIT_S390_STSI 25 167#define KVM_EXIT_IOAPIC_EOI 26 168#define KVM_EXIT_HYPERV 27 169#define KVM_EXIT_ARM_NISV 28 170#define KVM_EXIT_X86_RDMSR 29 171#define KVM_EXIT_X86_WRMSR 30 172#define KVM_EXIT_DIRTY_RING_FULL 31 173#define KVM_EXIT_AP_RESET_HOLD 32 174#define KVM_EXIT_X86_BUS_LOCK 33 175#define KVM_EXIT_XEN 34 176#define KVM_EXIT_RISCV_SBI 35 177#define KVM_EXIT_RISCV_CSR 36 178#define KVM_EXIT_NOTIFY 37 179#define KVM_EXIT_LOONGARCH_IOCSR 38 180#define KVM_EXIT_MEMORY_FAULT 39 181#define KVM_EXIT_TDX 40 182#define KVM_EXIT_ARM_SEA 41 183 184/* For KVM_EXIT_INTERNAL_ERROR */ 185/* Emulate instruction failed. */ 186#define KVM_INTERNAL_ERROR_EMULATION 1 187/* Encounter unexpected simultaneous exceptions. */ 188#define KVM_INTERNAL_ERROR_SIMUL_EX 2 189/* Encounter unexpected vm-exit due to delivery event. */ 190#define KVM_INTERNAL_ERROR_DELIVERY_EV 3 191/* Encounter unexpected vm-exit reason */ 192#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 193 194/* Flags that describe what fields in emulation_failure hold valid data. */ 195#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 196 197/* 198 * struct kvm_run can be modified by userspace at any time, so KVM must be 199 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM() 200 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when 201 * compiled into the kernel, ensuring that any use within KVM is obvious and 202 * gets extra scrutiny. 203 */ 204#ifdef __KERNEL__ 205#define HINT_UNSAFE_IN_KVM(_symbol) _symbol##__unsafe 206#else 207#define HINT_UNSAFE_IN_KVM(_symbol) _symbol 208#endif 209 210/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 211struct kvm_run { 212 /* in */ 213 __u8 request_interrupt_window; 214 __u8 HINT_UNSAFE_IN_KVM(immediate_exit); 215 __u8 padding1[6]; 216 217 /* out */ 218 __u32 exit_reason; 219 __u8 ready_for_interrupt_injection; 220 __u8 if_flag; 221 __u16 flags; 222 223 /* in (pre_kvm_run), out (post_kvm_run) */ 224 __u64 cr8; 225 __u64 apic_base; 226 227#ifdef __KVM_S390 228 /* the processor status word for s390 */ 229 __u64 psw_mask; /* psw upper half */ 230 __u64 psw_addr; /* psw lower half */ 231#endif 232 union { 233 /* KVM_EXIT_UNKNOWN */ 234 struct { 235 __u64 hardware_exit_reason; 236 } hw; 237 /* KVM_EXIT_FAIL_ENTRY */ 238 struct { 239 __u64 hardware_entry_failure_reason; 240 __u32 cpu; 241 } fail_entry; 242 /* KVM_EXIT_EXCEPTION */ 243 struct { 244 __u32 exception; 245 __u32 error_code; 246 } ex; 247 /* KVM_EXIT_IO */ 248 struct { 249#define KVM_EXIT_IO_IN 0 250#define KVM_EXIT_IO_OUT 1 251 __u8 direction; 252 __u8 size; /* bytes */ 253 __u16 port; 254 __u32 count; 255 __u64 data_offset; /* relative to kvm_run start */ 256 } io; 257 /* KVM_EXIT_DEBUG */ 258 struct { 259 struct kvm_debug_exit_arch arch; 260 } debug; 261 /* KVM_EXIT_MMIO */ 262 struct { 263 __u64 phys_addr; 264 __u8 data[8]; 265 __u32 len; 266 __u8 is_write; 267 } mmio; 268 /* KVM_EXIT_LOONGARCH_IOCSR */ 269 struct { 270 __u64 phys_addr; 271 __u8 data[8]; 272 __u32 len; 273 __u8 is_write; 274 } iocsr_io; 275 /* KVM_EXIT_HYPERCALL */ 276 struct { 277 __u64 nr; 278 __u64 args[6]; 279 __u64 ret; 280 281 union { 282#ifndef __KERNEL__ 283 __u32 longmode; 284#endif 285 __u64 flags; 286 }; 287 } hypercall; 288 /* KVM_EXIT_TPR_ACCESS */ 289 struct { 290 __u64 rip; 291 __u32 is_write; 292 __u32 pad; 293 } tpr_access; 294 /* KVM_EXIT_S390_SIEIC */ 295 struct { 296 __u8 icptcode; 297 __u16 ipa; 298 __u32 ipb; 299 } s390_sieic; 300 /* KVM_EXIT_S390_RESET */ 301 __u64 s390_reset_flags; 302 /* KVM_EXIT_S390_UCONTROL */ 303 struct { 304 __u64 trans_exc_code; 305 __u32 pgm_code; 306 } s390_ucontrol; 307 /* KVM_EXIT_DCR (deprecated) */ 308 struct { 309 __u32 dcrn; 310 __u32 data; 311 __u8 is_write; 312 } dcr; 313 /* KVM_EXIT_INTERNAL_ERROR */ 314 struct { 315 __u32 suberror; 316 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 317 __u32 ndata; 318 __u64 data[16]; 319 } internal; 320 /* 321 * KVM_INTERNAL_ERROR_EMULATION 322 * 323 * "struct emulation_failure" is an overlay of "struct internal" 324 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 325 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 326 * sub-types, this struct is ABI! It also needs to be backwards 327 * compatible with "struct internal". Take special care that 328 * "ndata" is correct, that new fields are enumerated in "flags", 329 * and that each flag enumerates fields that are 64-bit aligned 330 * and sized (so that ndata+internal.data[] is valid/accurate). 331 * 332 * Space beyond the defined fields may be used to store arbitrary 333 * debug information relating to the emulation failure. It is 334 * accounted for in "ndata" but the format is unspecified and is 335 * not represented in "flags". Any such information is *not* ABI! 336 */ 337 struct { 338 __u32 suberror; 339 __u32 ndata; 340 __u64 flags; 341 union { 342 struct { 343 __u8 insn_size; 344 __u8 insn_bytes[15]; 345 }; 346 }; 347 /* Arbitrary debug data may follow. */ 348 } emulation_failure; 349 /* KVM_EXIT_OSI */ 350 struct { 351 __u64 gprs[32]; 352 } osi; 353 /* KVM_EXIT_PAPR_HCALL */ 354 struct { 355 __u64 nr; 356 __u64 ret; 357 __u64 args[9]; 358 } papr_hcall; 359 /* KVM_EXIT_S390_TSCH */ 360 struct { 361 __u16 subchannel_id; 362 __u16 subchannel_nr; 363 __u32 io_int_parm; 364 __u32 io_int_word; 365 __u32 ipb; 366 __u8 dequeued; 367 } s390_tsch; 368 /* KVM_EXIT_EPR */ 369 struct { 370 __u32 epr; 371 } epr; 372 /* KVM_EXIT_SYSTEM_EVENT */ 373 struct { 374#define KVM_SYSTEM_EVENT_SHUTDOWN 1 375#define KVM_SYSTEM_EVENT_RESET 2 376#define KVM_SYSTEM_EVENT_CRASH 3 377#define KVM_SYSTEM_EVENT_WAKEUP 4 378#define KVM_SYSTEM_EVENT_SUSPEND 5 379#define KVM_SYSTEM_EVENT_SEV_TERM 6 380#define KVM_SYSTEM_EVENT_TDX_FATAL 7 381 __u32 type; 382 __u32 ndata; 383 union { 384#ifndef __KERNEL__ 385 __u64 flags; 386#endif 387 __u64 data[16]; 388 }; 389 } system_event; 390 /* KVM_EXIT_S390_STSI */ 391 struct { 392 __u64 addr; 393 __u8 ar; 394 __u8 reserved; 395 __u8 fc; 396 __u8 sel1; 397 __u16 sel2; 398 } s390_stsi; 399 /* KVM_EXIT_IOAPIC_EOI */ 400 struct { 401 __u8 vector; 402 } eoi; 403 /* KVM_EXIT_HYPERV */ 404 struct kvm_hyperv_exit hyperv; 405 /* KVM_EXIT_ARM_NISV */ 406 struct { 407 __u64 esr_iss; 408 __u64 fault_ipa; 409 } arm_nisv; 410 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 411 struct { 412 __u8 error; /* user -> kernel */ 413 __u8 pad[7]; 414#define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 415#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 416#define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 417#define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 418 KVM_MSR_EXIT_REASON_UNKNOWN | \ 419 KVM_MSR_EXIT_REASON_FILTER) 420 __u32 reason; /* kernel -> user */ 421 __u32 index; /* kernel -> user */ 422 __u64 data; /* kernel <-> user */ 423 } msr; 424 /* KVM_EXIT_XEN */ 425 struct kvm_xen_exit xen; 426 /* KVM_EXIT_RISCV_SBI */ 427 struct { 428 unsigned long extension_id; 429 unsigned long function_id; 430 unsigned long args[6]; 431 unsigned long ret[2]; 432 } riscv_sbi; 433 /* KVM_EXIT_RISCV_CSR */ 434 struct { 435 unsigned long csr_num; 436 unsigned long new_value; 437 unsigned long write_mask; 438 unsigned long ret_value; 439 } riscv_csr; 440 /* KVM_EXIT_NOTIFY */ 441 struct { 442#define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 443 __u32 flags; 444 } notify; 445 /* KVM_EXIT_MEMORY_FAULT */ 446 struct { 447#define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 448 __u64 flags; 449 __u64 gpa; 450 __u64 size; 451 } memory_fault; 452 /* KVM_EXIT_TDX */ 453 struct { 454 __u64 flags; 455 __u64 nr; 456 union { 457 struct { 458 __u64 ret; 459 __u64 data[5]; 460 } unknown; 461 struct { 462 __u64 ret; 463 __u64 gpa; 464 __u64 size; 465 } get_quote; 466 struct { 467 __u64 ret; 468 __u64 leaf; 469 __u64 r11, r12, r13, r14; 470 } get_tdvmcall_info; 471 struct { 472 __u64 ret; 473 __u64 vector; 474 } setup_event_notify; 475 }; 476 } tdx; 477 /* KVM_EXIT_ARM_SEA */ 478 struct { 479#define KVM_EXIT_ARM_SEA_FLAG_GPA_VALID (1ULL << 0) 480 __u64 flags; 481 __u64 esr; 482 __u64 gva; 483 __u64 gpa; 484 } arm_sea; 485 /* Fix the size of the union. */ 486 char padding[256]; 487 }; 488 489 /* 2048 is the size of the char array used to bound/pad the size 490 * of the union that holds sync regs. 491 */ 492 #define SYNC_REGS_SIZE_BYTES 2048 493 /* 494 * shared registers between kvm and userspace. 495 * kvm_valid_regs specifies the register classes set by the host 496 * kvm_dirty_regs specified the register classes dirtied by userspace 497 * struct kvm_sync_regs is architecture specific, as well as the 498 * bits for kvm_valid_regs and kvm_dirty_regs 499 */ 500 __u64 kvm_valid_regs; 501 __u64 kvm_dirty_regs; 502 union { 503 struct kvm_sync_regs regs; 504 char padding[SYNC_REGS_SIZE_BYTES]; 505 } s; 506}; 507 508/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 509 510struct kvm_coalesced_mmio_zone { 511 __u64 addr; 512 __u32 size; 513 union { 514 __u32 pad; 515 __u32 pio; 516 }; 517}; 518 519struct kvm_coalesced_mmio { 520 __u64 phys_addr; 521 __u32 len; 522 union { 523 __u32 pad; 524 __u32 pio; 525 }; 526 __u8 data[8]; 527}; 528 529struct kvm_coalesced_mmio_ring { 530 __u32 first, last; 531 struct kvm_coalesced_mmio coalesced_mmio[]; 532}; 533 534#define KVM_COALESCED_MMIO_MAX \ 535 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 536 sizeof(struct kvm_coalesced_mmio)) 537 538/* for KVM_TRANSLATE */ 539struct kvm_translation { 540 /* in */ 541 __u64 linear_address; 542 543 /* out */ 544 __u64 physical_address; 545 __u8 valid; 546 __u8 writeable; 547 __u8 usermode; 548 __u8 pad[5]; 549}; 550 551/* for KVM_INTERRUPT */ 552struct kvm_interrupt { 553 /* in */ 554 __u32 irq; 555}; 556 557/* for KVM_GET_DIRTY_LOG */ 558struct kvm_dirty_log { 559 __u32 slot; 560 __u32 padding1; 561 union { 562 void __user *dirty_bitmap; /* one bit per page */ 563 __u64 padding2; 564 }; 565}; 566 567/* for KVM_CLEAR_DIRTY_LOG */ 568struct kvm_clear_dirty_log { 569 __u32 slot; 570 __u32 num_pages; 571 __u64 first_page; 572 union { 573 void __user *dirty_bitmap; /* one bit per page */ 574 __u64 padding2; 575 }; 576}; 577 578/* for KVM_SET_SIGNAL_MASK */ 579struct kvm_signal_mask { 580 __u32 len; 581 __u8 sigset[]; 582}; 583 584/* for KVM_TPR_ACCESS_REPORTING */ 585struct kvm_tpr_access_ctl { 586 __u32 enabled; 587 __u32 flags; 588 __u32 reserved[8]; 589}; 590 591/* for KVM_SET_VAPIC_ADDR */ 592struct kvm_vapic_addr { 593 __u64 vapic_addr; 594}; 595 596/* for KVM_SET_MP_STATE */ 597 598/* not all states are valid on all architectures */ 599#define KVM_MP_STATE_RUNNABLE 0 600#define KVM_MP_STATE_UNINITIALIZED 1 601#define KVM_MP_STATE_INIT_RECEIVED 2 602#define KVM_MP_STATE_HALTED 3 603#define KVM_MP_STATE_SIPI_RECEIVED 4 604#define KVM_MP_STATE_STOPPED 5 605#define KVM_MP_STATE_CHECK_STOP 6 606#define KVM_MP_STATE_OPERATING 7 607#define KVM_MP_STATE_LOAD 8 608#define KVM_MP_STATE_AP_RESET_HOLD 9 609#define KVM_MP_STATE_SUSPENDED 10 610 611struct kvm_mp_state { 612 __u32 mp_state; 613}; 614 615/* for KVM_SET_GUEST_DEBUG */ 616 617#define KVM_GUESTDBG_ENABLE 0x00000001 618#define KVM_GUESTDBG_SINGLESTEP 0x00000002 619 620struct kvm_guest_debug { 621 __u32 control; 622 __u32 pad; 623 struct kvm_guest_debug_arch arch; 624}; 625 626enum { 627 kvm_ioeventfd_flag_nr_datamatch, 628 kvm_ioeventfd_flag_nr_pio, 629 kvm_ioeventfd_flag_nr_deassign, 630 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 631 kvm_ioeventfd_flag_nr_fast_mmio, 632 kvm_ioeventfd_flag_nr_max, 633}; 634 635#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 636#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 637#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 638#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 639 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 640 641#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 642 643struct kvm_ioeventfd { 644 __u64 datamatch; 645 __u64 addr; /* legal pio/mmio address */ 646 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 647 __s32 fd; 648 __u32 flags; 649 __u8 pad[36]; 650}; 651 652#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 653#define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 654#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 655#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 656#define KVM_X86_DISABLE_EXITS_APERFMPERF (1 << 4) 657 658/* for KVM_ENABLE_CAP */ 659struct kvm_enable_cap { 660 /* in */ 661 __u32 cap; 662 __u32 flags; 663 __u64 args[4]; 664 __u8 pad[64]; 665}; 666 667#define KVMIO 0xAE 668 669/* machine type bits, to be used as argument to KVM_CREATE_VM */ 670#define KVM_VM_S390_UCONTROL 1 671 672/* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 673#define KVM_VM_PPC_HV 1 674#define KVM_VM_PPC_PR 2 675 676/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 677#define KVM_VM_MIPS_AUTO 0 678#define KVM_VM_MIPS_VZ 1 679#define KVM_VM_MIPS_TE 2 680 681#define KVM_S390_SIE_PAGE_OFFSET 1 682 683/* 684 * On arm64, machine type can be used to request the physical 685 * address size for the VM. Bits[7-0] are reserved for the guest 686 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 687 * value 0 implies the default IPA size, 40bits. 688 */ 689#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 690#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 691 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 692/* 693 * ioctls for /dev/kvm fds: 694 */ 695#define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 696#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 697#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 698 699#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 700/* 701 * Check if a kvm extension is available. Argument is extension number, 702 * return is 1 (yes) or 0 (no, sorry). 703 */ 704#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 705/* 706 * Get size for mmap(vcpu_fd) 707 */ 708#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 709#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 710#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 711#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 712 713/* 714 * Extension capability list. 715 */ 716#define KVM_CAP_IRQCHIP 0 717#define KVM_CAP_HLT 1 718#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 719#define KVM_CAP_USER_MEMORY 3 720#define KVM_CAP_SET_TSS_ADDR 4 721#define KVM_CAP_VAPIC 6 722#define KVM_CAP_EXT_CPUID 7 723#define KVM_CAP_CLOCKSOURCE 8 724#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 725#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 726#define KVM_CAP_PIT 11 727#define KVM_CAP_NOP_IO_DELAY 12 728#define KVM_CAP_PV_MMU 13 729#define KVM_CAP_MP_STATE 14 730#define KVM_CAP_COALESCED_MMIO 15 731#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 732#define KVM_CAP_IOMMU 18 733/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 734#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 735#define KVM_CAP_USER_NMI 22 736#define KVM_CAP_SET_GUEST_DEBUG 23 737#ifdef __KVM_HAVE_PIT 738#define KVM_CAP_REINJECT_CONTROL 24 739#endif 740#define KVM_CAP_IRQ_ROUTING 25 741#define KVM_CAP_IRQ_INJECT_STATUS 26 742#define KVM_CAP_ASSIGN_DEV_IRQ 29 743/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 744#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 745#ifdef __KVM_HAVE_MCE 746#define KVM_CAP_MCE 31 747#endif 748#define KVM_CAP_IRQFD 32 749#ifdef __KVM_HAVE_PIT 750#define KVM_CAP_PIT2 33 751#endif 752#define KVM_CAP_SET_BOOT_CPU_ID 34 753#ifdef __KVM_HAVE_PIT_STATE2 754#define KVM_CAP_PIT_STATE2 35 755#endif 756#define KVM_CAP_IOEVENTFD 36 757#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 758#ifdef __KVM_HAVE_XEN_HVM 759#define KVM_CAP_XEN_HVM 38 760#endif 761#define KVM_CAP_ADJUST_CLOCK 39 762#define KVM_CAP_INTERNAL_ERROR_DATA 40 763#ifdef __KVM_HAVE_VCPU_EVENTS 764#define KVM_CAP_VCPU_EVENTS 41 765#endif 766#define KVM_CAP_S390_PSW 42 767#define KVM_CAP_PPC_SEGSTATE 43 768#define KVM_CAP_HYPERV 44 769#define KVM_CAP_HYPERV_VAPIC 45 770#define KVM_CAP_HYPERV_SPIN 46 771#define KVM_CAP_PCI_SEGMENT 47 772#define KVM_CAP_PPC_PAIRED_SINGLES 48 773#define KVM_CAP_INTR_SHADOW 49 774#ifdef __KVM_HAVE_DEBUGREGS 775#define KVM_CAP_DEBUGREGS 50 776#endif 777#define KVM_CAP_X86_ROBUST_SINGLESTEP 51 778#define KVM_CAP_PPC_OSI 52 779#define KVM_CAP_PPC_UNSET_IRQ 53 780#define KVM_CAP_ENABLE_CAP 54 781#ifdef __KVM_HAVE_XSAVE 782#define KVM_CAP_XSAVE 55 783#endif 784#ifdef __KVM_HAVE_XCRS 785#define KVM_CAP_XCRS 56 786#endif 787#define KVM_CAP_PPC_GET_PVINFO 57 788#define KVM_CAP_PPC_IRQ_LEVEL 58 789#define KVM_CAP_ASYNC_PF 59 790#define KVM_CAP_TSC_CONTROL 60 791#define KVM_CAP_GET_TSC_KHZ 61 792#define KVM_CAP_PPC_BOOKE_SREGS 62 793#define KVM_CAP_SPAPR_TCE 63 794#define KVM_CAP_PPC_SMT 64 795#define KVM_CAP_PPC_RMA 65 796#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 797#define KVM_CAP_PPC_HIOR 67 798#define KVM_CAP_PPC_PAPR 68 799#define KVM_CAP_SW_TLB 69 800#define KVM_CAP_ONE_REG 70 801#define KVM_CAP_S390_GMAP 71 802#define KVM_CAP_TSC_DEADLINE_TIMER 72 803#define KVM_CAP_S390_UCONTROL 73 804#define KVM_CAP_SYNC_REGS 74 805#define KVM_CAP_PCI_2_3 75 806#define KVM_CAP_KVMCLOCK_CTRL 76 807#define KVM_CAP_SIGNAL_MSI 77 808#define KVM_CAP_PPC_GET_SMMU_INFO 78 809#define KVM_CAP_S390_COW 79 810#define KVM_CAP_PPC_ALLOC_HTAB 80 811#define KVM_CAP_READONLY_MEM 81 812#define KVM_CAP_IRQFD_RESAMPLE 82 813#define KVM_CAP_PPC_BOOKE_WATCHDOG 83 814#define KVM_CAP_PPC_HTAB_FD 84 815#define KVM_CAP_S390_CSS_SUPPORT 85 816#define KVM_CAP_PPC_EPR 86 817#define KVM_CAP_ARM_PSCI 87 818#define KVM_CAP_ARM_SET_DEVICE_ADDR 88 819#define KVM_CAP_DEVICE_CTRL 89 820#define KVM_CAP_IRQ_MPIC 90 821#define KVM_CAP_PPC_RTAS 91 822#define KVM_CAP_IRQ_XICS 92 823#define KVM_CAP_ARM_EL1_32BIT 93 824#define KVM_CAP_SPAPR_MULTITCE 94 825#define KVM_CAP_EXT_EMUL_CPUID 95 826#define KVM_CAP_HYPERV_TIME 96 827#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 828#define KVM_CAP_ENABLE_CAP_VM 98 829#define KVM_CAP_S390_IRQCHIP 99 830#define KVM_CAP_IOEVENTFD_NO_LENGTH 100 831#define KVM_CAP_VM_ATTRIBUTES 101 832#define KVM_CAP_ARM_PSCI_0_2 102 833#define KVM_CAP_PPC_FIXUP_HCALL 103 834#define KVM_CAP_PPC_ENABLE_HCALL 104 835#define KVM_CAP_CHECK_EXTENSION_VM 105 836#define KVM_CAP_S390_USER_SIGP 106 837#define KVM_CAP_S390_VECTOR_REGISTERS 107 838#define KVM_CAP_S390_MEM_OP 108 839#define KVM_CAP_S390_USER_STSI 109 840#define KVM_CAP_S390_SKEYS 110 841#define KVM_CAP_MIPS_FPU 111 842#define KVM_CAP_MIPS_MSA 112 843#define KVM_CAP_S390_INJECT_IRQ 113 844#define KVM_CAP_S390_IRQ_STATE 114 845#define KVM_CAP_PPC_HWRNG 115 846#define KVM_CAP_DISABLE_QUIRKS 116 847#define KVM_CAP_X86_SMM 117 848#define KVM_CAP_MULTI_ADDRESS_SPACE 118 849#define KVM_CAP_GUEST_DEBUG_HW_BPS 119 850#define KVM_CAP_GUEST_DEBUG_HW_WPS 120 851#define KVM_CAP_SPLIT_IRQCHIP 121 852#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 853#define KVM_CAP_HYPERV_SYNIC 123 854#define KVM_CAP_S390_RI 124 855#define KVM_CAP_SPAPR_TCE_64 125 856#define KVM_CAP_ARM_PMU_V3 126 857#define KVM_CAP_VCPU_ATTRIBUTES 127 858#define KVM_CAP_MAX_VCPU_ID 128 859#define KVM_CAP_X2APIC_API 129 860#define KVM_CAP_S390_USER_INSTR0 130 861#define KVM_CAP_MSI_DEVID 131 862#define KVM_CAP_PPC_HTM 132 863#define KVM_CAP_SPAPR_RESIZE_HPT 133 864#define KVM_CAP_PPC_MMU_RADIX 134 865#define KVM_CAP_PPC_MMU_HASH_V3 135 866#define KVM_CAP_IMMEDIATE_EXIT 136 867#define KVM_CAP_MIPS_VZ 137 868#define KVM_CAP_MIPS_TE 138 869#define KVM_CAP_MIPS_64BIT 139 870#define KVM_CAP_S390_GS 140 871#define KVM_CAP_S390_AIS 141 872#define KVM_CAP_SPAPR_TCE_VFIO 142 873#define KVM_CAP_X86_DISABLE_EXITS 143 874#define KVM_CAP_ARM_USER_IRQ 144 875#define KVM_CAP_S390_CMMA_MIGRATION 145 876#define KVM_CAP_PPC_FWNMI 146 877#define KVM_CAP_PPC_SMT_POSSIBLE 147 878#define KVM_CAP_HYPERV_SYNIC2 148 879#define KVM_CAP_HYPERV_VP_INDEX 149 880#define KVM_CAP_S390_AIS_MIGRATION 150 881#define KVM_CAP_PPC_GET_CPU_CHAR 151 882#define KVM_CAP_S390_BPB 152 883#define KVM_CAP_GET_MSR_FEATURES 153 884#define KVM_CAP_HYPERV_EVENTFD 154 885#define KVM_CAP_HYPERV_TLBFLUSH 155 886#define KVM_CAP_S390_HPAGE_1M 156 887#define KVM_CAP_NESTED_STATE 157 888#define KVM_CAP_ARM_INJECT_SERROR_ESR 158 889#define KVM_CAP_MSR_PLATFORM_INFO 159 890#define KVM_CAP_PPC_NESTED_HV 160 891#define KVM_CAP_HYPERV_SEND_IPI 161 892#define KVM_CAP_COALESCED_PIO 162 893#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 894#define KVM_CAP_EXCEPTION_PAYLOAD 164 895#define KVM_CAP_ARM_VM_IPA_SIZE 165 896#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 897#define KVM_CAP_HYPERV_CPUID 167 898#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 899#define KVM_CAP_PPC_IRQ_XIVE 169 900#define KVM_CAP_ARM_SVE 170 901#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 902#define KVM_CAP_ARM_PTRAUTH_GENERIC 172 903#define KVM_CAP_PMU_EVENT_FILTER 173 904#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 905#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 906#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 907#define KVM_CAP_ARM_NISV_TO_USER 177 908#define KVM_CAP_ARM_INJECT_EXT_DABT 178 909#define KVM_CAP_S390_VCPU_RESETS 179 910#define KVM_CAP_S390_PROTECTED 180 911#define KVM_CAP_PPC_SECURE_GUEST 181 912#define KVM_CAP_HALT_POLL 182 913#define KVM_CAP_ASYNC_PF_INT 183 914#define KVM_CAP_LAST_CPU 184 915#define KVM_CAP_SMALLER_MAXPHYADDR 185 916#define KVM_CAP_S390_DIAG318 186 917#define KVM_CAP_STEAL_TIME 187 918#define KVM_CAP_X86_USER_SPACE_MSR 188 919#define KVM_CAP_X86_MSR_FILTER 189 920#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 921#define KVM_CAP_SYS_HYPERV_CPUID 191 922#define KVM_CAP_DIRTY_LOG_RING 192 923#define KVM_CAP_X86_BUS_LOCK_EXIT 193 924#define KVM_CAP_PPC_DAWR1 194 925#define KVM_CAP_SET_GUEST_DEBUG2 195 926#define KVM_CAP_SGX_ATTRIBUTE 196 927#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 928#define KVM_CAP_PTP_KVM 198 929#define KVM_CAP_HYPERV_ENFORCE_CPUID 199 930#define KVM_CAP_SREGS2 200 931#define KVM_CAP_EXIT_HYPERCALL 201 932#define KVM_CAP_PPC_RPT_INVALIDATE 202 933#define KVM_CAP_BINARY_STATS_FD 203 934#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 935#define KVM_CAP_ARM_MTE 205 936#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 937#define KVM_CAP_VM_GPA_BITS 207 938#define KVM_CAP_XSAVE2 208 939#define KVM_CAP_SYS_ATTRIBUTES 209 940#define KVM_CAP_PPC_AIL_MODE_3 210 941#define KVM_CAP_S390_MEM_OP_EXTENSION 211 942#define KVM_CAP_PMU_CAPABILITY 212 943#define KVM_CAP_DISABLE_QUIRKS2 213 944#define KVM_CAP_VM_TSC_CONTROL 214 945#define KVM_CAP_SYSTEM_EVENT_DATA 215 946#define KVM_CAP_ARM_SYSTEM_SUSPEND 216 947#define KVM_CAP_S390_PROTECTED_DUMP 217 948#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 949#define KVM_CAP_X86_NOTIFY_VMEXIT 219 950#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 951#define KVM_CAP_S390_ZPCI_OP 221 952#define KVM_CAP_S390_CPU_TOPOLOGY 222 953#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 954#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 955#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 956#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 957#define KVM_CAP_COUNTER_OFFSET 227 958#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 959#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 960#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 961#define KVM_CAP_USER_MEMORY2 231 962#define KVM_CAP_MEMORY_FAULT_INFO 232 963#define KVM_CAP_MEMORY_ATTRIBUTES 233 964#define KVM_CAP_GUEST_MEMFD 234 965#define KVM_CAP_VM_TYPES 235 966#define KVM_CAP_PRE_FAULT_MEMORY 236 967#define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237 968#define KVM_CAP_X86_GUEST_MODE 238 969#define KVM_CAP_ARM_WRITABLE_IMP_ID_REGS 239 970#define KVM_CAP_ARM_EL2 240 971#define KVM_CAP_ARM_EL2_E2H0 241 972#define KVM_CAP_RISCV_MP_STATE_RESET 242 973#define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243 974#define KVM_CAP_GUEST_MEMFD_FLAGS 244 975#define KVM_CAP_ARM_SEA_TO_USER 245 976#define KVM_CAP_S390_USER_OPEREXEC 246 977 978struct kvm_irq_routing_irqchip { 979 __u32 irqchip; 980 __u32 pin; 981}; 982 983struct kvm_irq_routing_msi { 984 __u32 address_lo; 985 __u32 address_hi; 986 __u32 data; 987 union { 988 __u32 pad; 989 __u32 devid; 990 }; 991}; 992 993struct kvm_irq_routing_s390_adapter { 994 __u64 ind_addr; 995 __u64 summary_addr; 996 __u64 ind_offset; 997 __u32 summary_offset; 998 __u32 adapter_id; 999}; 1000 1001struct kvm_irq_routing_hv_sint { 1002 __u32 vcpu; 1003 __u32 sint; 1004}; 1005 1006struct kvm_irq_routing_xen_evtchn { 1007 __u32 port; 1008 __u32 vcpu; 1009 __u32 priority; 1010}; 1011 1012#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1013 1014/* gsi routing entry types */ 1015#define KVM_IRQ_ROUTING_IRQCHIP 1 1016#define KVM_IRQ_ROUTING_MSI 2 1017#define KVM_IRQ_ROUTING_S390_ADAPTER 3 1018#define KVM_IRQ_ROUTING_HV_SINT 4 1019#define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1020 1021struct kvm_irq_routing_entry { 1022 __u32 gsi; 1023 __u32 type; 1024 __u32 flags; 1025 __u32 pad; 1026 union { 1027 struct kvm_irq_routing_irqchip irqchip; 1028 struct kvm_irq_routing_msi msi; 1029 struct kvm_irq_routing_s390_adapter adapter; 1030 struct kvm_irq_routing_hv_sint hv_sint; 1031 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1032 __u32 pad[8]; 1033 } u; 1034}; 1035 1036struct kvm_irq_routing { 1037 __u32 nr; 1038 __u32 flags; 1039 struct kvm_irq_routing_entry entries[]; 1040}; 1041 1042#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1043/* 1044 * Available with KVM_CAP_IRQFD_RESAMPLE 1045 * 1046 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1047 * the irqfd to operate in resampling mode for level triggered interrupt 1048 * emulation. See Documentation/virt/kvm/api.rst. 1049 */ 1050#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1051 1052struct kvm_irqfd { 1053 __u32 fd; 1054 __u32 gsi; 1055 __u32 flags; 1056 __u32 resamplefd; 1057 __u8 pad[16]; 1058}; 1059 1060/* For KVM_CAP_ADJUST_CLOCK */ 1061 1062/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1063#define KVM_CLOCK_TSC_STABLE 2 1064#define KVM_CLOCK_REALTIME (1 << 2) 1065#define KVM_CLOCK_HOST_TSC (1 << 3) 1066 1067struct kvm_clock_data { 1068 __u64 clock; 1069 __u32 flags; 1070 __u32 pad0; 1071 __u64 realtime; 1072 __u64 host_tsc; 1073 __u32 pad[4]; 1074}; 1075 1076/* For KVM_CAP_SW_TLB */ 1077 1078#define KVM_MMU_FSL_BOOKE_NOHV 0 1079#define KVM_MMU_FSL_BOOKE_HV 1 1080 1081struct kvm_config_tlb { 1082 __u64 params; 1083 __u64 array; 1084 __u32 mmu_type; 1085 __u32 array_len; 1086}; 1087 1088struct kvm_dirty_tlb { 1089 __u64 bitmap; 1090 __u32 num_dirty; 1091}; 1092 1093/* Available with KVM_CAP_ONE_REG */ 1094 1095#define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1096#define KVM_REG_GENERIC 0x0000000000000000ULL 1097 1098/* 1099 * Architecture specific registers are to be defined in arch headers and 1100 * ORed with the arch identifier. 1101 */ 1102#define KVM_REG_PPC 0x1000000000000000ULL 1103#define KVM_REG_X86 0x2000000000000000ULL 1104#define KVM_REG_IA64 0x3000000000000000ULL 1105#define KVM_REG_ARM 0x4000000000000000ULL 1106#define KVM_REG_S390 0x5000000000000000ULL 1107#define KVM_REG_ARM64 0x6000000000000000ULL 1108#define KVM_REG_MIPS 0x7000000000000000ULL 1109#define KVM_REG_RISCV 0x8000000000000000ULL 1110#define KVM_REG_LOONGARCH 0x9000000000000000ULL 1111 1112#define KVM_REG_SIZE_SHIFT 52 1113#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1114 1115#define KVM_REG_SIZE(id) \ 1116 (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) 1117 1118#define KVM_REG_SIZE_U8 0x0000000000000000ULL 1119#define KVM_REG_SIZE_U16 0x0010000000000000ULL 1120#define KVM_REG_SIZE_U32 0x0020000000000000ULL 1121#define KVM_REG_SIZE_U64 0x0030000000000000ULL 1122#define KVM_REG_SIZE_U128 0x0040000000000000ULL 1123#define KVM_REG_SIZE_U256 0x0050000000000000ULL 1124#define KVM_REG_SIZE_U512 0x0060000000000000ULL 1125#define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1126#define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1127 1128struct kvm_reg_list { 1129 __u64 n; /* number of regs */ 1130 __u64 reg[]; 1131}; 1132 1133struct kvm_one_reg { 1134 __u64 id; 1135 __u64 addr; 1136}; 1137 1138#define KVM_MSI_VALID_DEVID (1U << 0) 1139struct kvm_msi { 1140 __u32 address_lo; 1141 __u32 address_hi; 1142 __u32 data; 1143 __u32 flags; 1144 __u32 devid; 1145 __u8 pad[12]; 1146}; 1147 1148struct kvm_arm_device_addr { 1149 __u64 id; 1150 __u64 addr; 1151}; 1152 1153/* 1154 * Device control API, available with KVM_CAP_DEVICE_CTRL 1155 */ 1156#define KVM_CREATE_DEVICE_TEST 1 1157 1158struct kvm_create_device { 1159 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1160 __u32 fd; /* out: device handle */ 1161 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1162}; 1163 1164struct kvm_device_attr { 1165 __u32 flags; /* no flags currently defined */ 1166 __u32 group; /* device-defined */ 1167 __u64 attr; /* group-defined */ 1168 __u64 addr; /* userspace address of attr data */ 1169}; 1170 1171#define KVM_DEV_VFIO_FILE 1 1172 1173#define KVM_DEV_VFIO_FILE_ADD 1 1174#define KVM_DEV_VFIO_FILE_DEL 2 1175 1176/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1177#define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1178 1179#define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1180#define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1181#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1182 1183enum kvm_device_type { 1184 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1185#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1186 KVM_DEV_TYPE_FSL_MPIC_42, 1187#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1188 KVM_DEV_TYPE_XICS, 1189#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1190 KVM_DEV_TYPE_VFIO, 1191#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1192 KVM_DEV_TYPE_ARM_VGIC_V2, 1193#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1194 KVM_DEV_TYPE_FLIC, 1195#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1196 KVM_DEV_TYPE_ARM_VGIC_V3, 1197#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1198 KVM_DEV_TYPE_ARM_VGIC_ITS, 1199#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1200 KVM_DEV_TYPE_XIVE, 1201#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1202 KVM_DEV_TYPE_ARM_PV_TIME, 1203#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1204 KVM_DEV_TYPE_RISCV_AIA, 1205#define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1206 KVM_DEV_TYPE_LOONGARCH_IPI, 1207#define KVM_DEV_TYPE_LOONGARCH_IPI KVM_DEV_TYPE_LOONGARCH_IPI 1208 KVM_DEV_TYPE_LOONGARCH_EIOINTC, 1209#define KVM_DEV_TYPE_LOONGARCH_EIOINTC KVM_DEV_TYPE_LOONGARCH_EIOINTC 1210 KVM_DEV_TYPE_LOONGARCH_PCHPIC, 1211#define KVM_DEV_TYPE_LOONGARCH_PCHPIC KVM_DEV_TYPE_LOONGARCH_PCHPIC 1212 1213 KVM_DEV_TYPE_MAX, 1214 1215}; 1216 1217struct kvm_vfio_spapr_tce { 1218 __s32 groupfd; 1219 __s32 tablefd; 1220}; 1221 1222/* 1223 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1224 * a vcpu fd. 1225 */ 1226#define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1227#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1228#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1229#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1230#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1231 struct kvm_userspace_memory_region) 1232#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1233#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1234#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1235 struct kvm_userspace_memory_region2) 1236 1237/* enable ucontrol for s390 */ 1238#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1239#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1240#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1241 1242/* Device model IOC */ 1243#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1244#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1245#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1246#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1247#define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1248#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1249#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1250#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1251#define KVM_REGISTER_COALESCED_MMIO \ 1252 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1253#define KVM_UNREGISTER_COALESCED_MMIO \ 1254 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1255#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1256#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1257#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1258#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1259#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1260#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1261#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1262#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1263#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1264/* Available with KVM_CAP_PIT_STATE2 */ 1265#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1266#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1267/* Available with KVM_CAP_PPC_GET_PVINFO */ 1268#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1269/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1270* KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1271#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1272#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1273/* Available with KVM_CAP_SIGNAL_MSI */ 1274#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1275/* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1276#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1277/* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1278#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1279#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1280#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1281 struct kvm_create_spapr_tce_64) 1282/* Available with KVM_CAP_RMA */ 1283#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1284/* Available with KVM_CAP_PPC_HTAB_FD */ 1285#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1286/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1287#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1288/* Available with KVM_CAP_PPC_RTAS */ 1289#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1290/* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1291#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1292#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1293/* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */ 1294#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1295/* Available with KVM_CAP_PPC_MMU_RADIX */ 1296#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1297/* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1298#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1299/* Available with KVM_CAP_PMU_EVENT_FILTER */ 1300#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1301#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1302#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1303/* Available with KVM_CAP_COUNTER_OFFSET */ 1304#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1305#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1306 1307/* ioctl for vm fd */ 1308#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1309 1310/* ioctls for fds returned by KVM_CREATE_DEVICE */ 1311#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1312#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1313#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1314 1315/* 1316 * ioctls for vcpu fds 1317 */ 1318#define KVM_RUN _IO(KVMIO, 0x80) 1319#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1320#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1321#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1322#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1323#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1324#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1325#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1326#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1327#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1328#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1329#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1330#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1331#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1332#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1333#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1334#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1335/* Available with KVM_CAP_VAPIC */ 1336#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1337/* Available with KVM_CAP_VAPIC */ 1338#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1339/* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1340#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1341/* store status for s390 */ 1342#define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1343#define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1344#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1345/* initial ipl psw for s390 */ 1346#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1347/* initial reset for s390 */ 1348#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1349#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1350#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1351/* Available with KVM_CAP_USER_NMI */ 1352#define KVM_NMI _IO(KVMIO, 0x9a) 1353/* Available with KVM_CAP_SET_GUEST_DEBUG */ 1354#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1355/* MCE for x86 */ 1356#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1357#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1358#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1359/* Available with KVM_CAP_VCPU_EVENTS */ 1360#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1361#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1362/* Available with KVM_CAP_DEBUGREGS */ 1363#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1364#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1365/* 1366 * vcpu version available with KVM_CAP_ENABLE_CAP 1367 * vm version available with KVM_CAP_ENABLE_CAP_VM 1368 */ 1369#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1370/* Available with KVM_CAP_XSAVE */ 1371#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1372#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1373/* Available with KVM_CAP_XCRS */ 1374#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1375#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1376/* Available with KVM_CAP_SW_TLB */ 1377#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1378/* Available with KVM_CAP_ONE_REG */ 1379#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1380#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1381/* VM is being stopped by host */ 1382#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1383#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1384#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1385#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1386/* Available with KVM_CAP_S390_MEM_OP */ 1387#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1388/* Available with KVM_CAP_S390_SKEYS */ 1389#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1390#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1391/* Available with KVM_CAP_S390_INJECT_IRQ */ 1392#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1393/* Available with KVM_CAP_S390_IRQ_STATE */ 1394#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1395#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1396/* Available with KVM_CAP_X86_SMM */ 1397#define KVM_SMI _IO(KVMIO, 0xb7) 1398/* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1399#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1400#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1401/* Memory Encryption Commands */ 1402#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1403 1404struct kvm_enc_region { 1405 __u64 addr; 1406 __u64 size; 1407}; 1408 1409#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1410#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1411 1412/* Available with KVM_CAP_HYPERV_EVENTFD */ 1413#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1414 1415/* Available with KVM_CAP_NESTED_STATE */ 1416#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1417#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1418 1419/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1420#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1421 1422/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1423#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1424 1425/* Available with KVM_CAP_ARM_SVE */ 1426#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1427 1428/* Available with KVM_CAP_S390_VCPU_RESETS */ 1429#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1430#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1431 1432/* Available with KVM_CAP_S390_PROTECTED */ 1433#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1434 1435/* Available with KVM_CAP_X86_MSR_FILTER */ 1436#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1437 1438/* Available with KVM_CAP_DIRTY_LOG_RING */ 1439#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1440 1441/* Per-VM Xen attributes */ 1442#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1443#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1444 1445/* Per-vCPU Xen attributes */ 1446#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1447#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1448 1449/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1450#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1451 1452#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1453#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1454 1455#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1456#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1457 1458/* 1459 * Arch needs to define the macro after implementing the dirty ring 1460 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1461 * starting page offset of the dirty ring structures. 1462 */ 1463#ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1464#define KVM_DIRTY_LOG_PAGE_OFFSET 0 1465#endif 1466 1467/* 1468 * KVM dirty GFN flags, defined as: 1469 * 1470 * |---------------+---------------+--------------| 1471 * | bit 1 (reset) | bit 0 (dirty) | Status | 1472 * |---------------+---------------+--------------| 1473 * | 0 | 0 | Invalid GFN | 1474 * | 0 | 1 | Dirty GFN | 1475 * | 1 | X | GFN to reset | 1476 * |---------------+---------------+--------------| 1477 * 1478 * Lifecycle of a dirty GFN goes like: 1479 * 1480 * dirtied harvested reset 1481 * 00 -----------> 01 -------------> 1X -------+ 1482 * ^ | 1483 * | | 1484 * +------------------------------------------+ 1485 * 1486 * The userspace program is only responsible for the 01->1X state 1487 * conversion after harvesting an entry. Also, it must not skip any 1488 * dirty bits, so that dirty bits are always harvested in sequence. 1489 */ 1490#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1491#define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1492#define KVM_DIRTY_GFN_F_MASK 0x3 1493 1494/* 1495 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1496 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1497 * size of the gfn buffer is decided by the first argument when 1498 * enabling KVM_CAP_DIRTY_LOG_RING. 1499 */ 1500struct kvm_dirty_gfn { 1501 __u32 flags; 1502 __u32 slot; 1503 __u64 offset; 1504}; 1505 1506#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1507#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1508 1509#define KVM_PMU_CAP_DISABLE (1 << 0) 1510 1511/** 1512 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1513 * @flags: Some extra information for header, always 0 for now. 1514 * @name_size: The size in bytes of the memory which contains statistics 1515 * name string including trailing '\0'. The memory is allocated 1516 * at the send of statistics descriptor. 1517 * @num_desc: The number of statistics the vm or vcpu has. 1518 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1519 * by vm/vcpu stats fd. 1520 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1521 * pointd by vm/vcpu stats fd. 1522 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1523 * pointed by vm/vcpu stats fd. 1524 * 1525 * This is the header userspace needs to read from stats fd before any other 1526 * readings. It is used by userspace to discover all the information about the 1527 * vm/vcpu's binary statistics. 1528 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1529 */ 1530struct kvm_stats_header { 1531 __u32 flags; 1532 __u32 name_size; 1533 __u32 num_desc; 1534 __u32 id_offset; 1535 __u32 desc_offset; 1536 __u32 data_offset; 1537}; 1538 1539#define KVM_STATS_TYPE_SHIFT 0 1540#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1541#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1542#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1543#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1544#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1545#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1546#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1547 1548#define KVM_STATS_UNIT_SHIFT 4 1549#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1550#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1551#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1552#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1553#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1554#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1555#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1556 1557#define KVM_STATS_BASE_SHIFT 8 1558#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1559#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1560#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1561#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1562 1563/** 1564 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1565 * @flags: Annotations of the stats, like type, unit, etc. 1566 * @exponent: Used together with @flags to determine the unit. 1567 * @size: The number of data items for this stats. 1568 * Every data item is of type __u64. 1569 * @offset: The offset of the stats to the start of stat structure in 1570 * structure kvm or kvm_vcpu. 1571 * @bucket_size: A parameter value used for histogram stats. It is only used 1572 * for linear histogram stats, specifying the size of the bucket; 1573 * @name: The name string for the stats. Its size is indicated by the 1574 * &kvm_stats_header->name_size. 1575 */ 1576struct kvm_stats_desc { 1577 __u32 flags; 1578 __s16 exponent; 1579 __u16 size; 1580 __u32 offset; 1581 __u32 bucket_size; 1582 char name[]; 1583}; 1584 1585#define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1586 1587/* Available with KVM_CAP_XSAVE2 */ 1588#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1589 1590/* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1591#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1592 1593/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1594#define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1595#define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1596 1597/* Available with KVM_CAP_S390_ZPCI_OP */ 1598#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1599 1600/* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1601#define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1602 1603struct kvm_memory_attributes { 1604 __u64 address; 1605 __u64 size; 1606 __u64 attributes; 1607 __u64 flags; 1608}; 1609 1610#define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1611 1612#define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1613#define GUEST_MEMFD_FLAG_MMAP (1ULL << 0) 1614#define GUEST_MEMFD_FLAG_INIT_SHARED (1ULL << 1) 1615 1616struct kvm_create_guest_memfd { 1617 __u64 size; 1618 __u64 flags; 1619 __u64 reserved[6]; 1620}; 1621 1622#define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory) 1623 1624struct kvm_pre_fault_memory { 1625 __u64 gpa; 1626 __u64 size; 1627 __u64 flags; 1628 __u64 padding[5]; 1629}; 1630 1631#endif /* __LINUX_KVM_H */
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