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