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/stddef.h> 15 #include <linux/ioctl.h> 16 #include <asm/kvm.h> 17 18 #ifdef __KERNEL__ 19 #include <linux/kvm_types.h> 20 #endif 21 22 #define KVM_API_VERSION 12 23 24 /* 25 * Backwards-compatible definitions. 26 */ 27 #define __KVM_HAVE_GUEST_DEBUG 28 29 /* for KVM_SET_USER_MEMORY_REGION */ 30 struct kvm_userspace_memory_region { 31 __u32 slot; 32 __u32 flags; 33 __u64 guest_phys_addr; 34 __u64 memory_size; /* bytes */ 35 __u64 userspace_addr; /* start of the userspace allocated memory */ 36 }; 37 38 /* for KVM_SET_USER_MEMORY_REGION2 */ 39 struct kvm_userspace_memory_region2 { 40 __u32 slot; 41 __u32 flags; 42 __u64 guest_phys_addr; 43 __u64 memory_size; 44 __u64 userspace_addr; 45 __u64 guest_memfd_offset; 46 __u32 guest_memfd; 47 __u32 pad1; 48 __u64 pad2[14]; 49 }; 50 51 /* 52 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 53 * userspace, other bits are reserved for kvm internal use which are defined 54 * in include/linux/kvm_host.h. 55 */ 56 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 57 #define KVM_MEM_READONLY (1UL << 1) 58 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 59 60 /* for KVM_IRQ_LINE */ 61 struct kvm_irq_level { 62 /* 63 * ACPI gsi notion of irq. 64 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 65 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 66 * For ARM: See Documentation/virt/kvm/api.rst 67 */ 68 union { 69 __u32 irq; 70 __s32 status; 71 }; 72 __u32 level; 73 }; 74 75 76 struct kvm_irqchip { 77 __u32 chip_id; 78 __u32 pad; 79 union { 80 char dummy[512]; /* reserving space */ 81 #ifdef __KVM_HAVE_PIT 82 struct kvm_pic_state pic; 83 #endif 84 #ifdef __KVM_HAVE_IOAPIC 85 struct kvm_ioapic_state ioapic; 86 #endif 87 } chip; 88 }; 89 90 /* for KVM_CREATE_PIT2 */ 91 struct kvm_pit_config { 92 __u32 flags; 93 __u32 pad[15]; 94 }; 95 96 #define KVM_PIT_SPEAKER_DUMMY 1 97 98 struct kvm_hyperv_exit { 99 #define KVM_EXIT_HYPERV_SYNIC 1 100 #define KVM_EXIT_HYPERV_HCALL 2 101 #define KVM_EXIT_HYPERV_SYNDBG 3 102 __u32 type; 103 __u32 pad1; 104 union { 105 struct { 106 __u32 msr; 107 __u32 pad2; 108 __u64 control; 109 __u64 evt_page; 110 __u64 msg_page; 111 } synic; 112 struct { 113 __u64 input; 114 __u64 result; 115 __u64 params[2]; 116 } hcall; 117 struct { 118 __u32 msr; 119 __u32 pad2; 120 __u64 control; 121 __u64 status; 122 __u64 send_page; 123 __u64 recv_page; 124 __u64 pending_page; 125 } syndbg; 126 } u; 127 }; 128 129 struct kvm_xen_exit { 130 #define KVM_EXIT_XEN_HCALL 1 131 __u32 type; 132 union { 133 struct { 134 __u32 longmode; 135 __u32 cpl; 136 __u64 input; 137 __u64 result; 138 __u64 params[6]; 139 } hcall; 140 } u; 141 }; 142 143 struct kvm_exit_snp_req_certs { 144 __u64 gpa; 145 __u64 npages; 146 __u64 ret; 147 }; 148 149 #define KVM_S390_GET_SKEYS_NONE 1 150 #define KVM_S390_SKEYS_MAX 1048576 151 152 #define KVM_EXIT_UNKNOWN 0 153 #define KVM_EXIT_EXCEPTION 1 154 #define KVM_EXIT_IO 2 155 #define KVM_EXIT_HYPERCALL 3 156 #define KVM_EXIT_DEBUG 4 157 #define KVM_EXIT_HLT 5 158 #define KVM_EXIT_MMIO 6 159 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 160 #define KVM_EXIT_SHUTDOWN 8 161 #define KVM_EXIT_FAIL_ENTRY 9 162 #define KVM_EXIT_INTR 10 163 #define KVM_EXIT_SET_TPR 11 164 #define KVM_EXIT_TPR_ACCESS 12 165 #define KVM_EXIT_S390_SIEIC 13 166 #define KVM_EXIT_S390_RESET 14 167 #define KVM_EXIT_DCR 15 /* deprecated */ 168 #define KVM_EXIT_NMI 16 169 #define KVM_EXIT_INTERNAL_ERROR 17 170 #define KVM_EXIT_OSI 18 171 #define KVM_EXIT_PAPR_HCALL 19 172 #define KVM_EXIT_S390_UCONTROL 20 173 #define KVM_EXIT_WATCHDOG 21 174 #define KVM_EXIT_S390_TSCH 22 175 #define KVM_EXIT_EPR 23 176 #define KVM_EXIT_SYSTEM_EVENT 24 177 #define KVM_EXIT_S390_STSI 25 178 #define KVM_EXIT_IOAPIC_EOI 26 179 #define KVM_EXIT_HYPERV 27 180 #define KVM_EXIT_ARM_NISV 28 181 #define KVM_EXIT_X86_RDMSR 29 182 #define KVM_EXIT_X86_WRMSR 30 183 #define KVM_EXIT_DIRTY_RING_FULL 31 184 #define KVM_EXIT_AP_RESET_HOLD 32 185 #define KVM_EXIT_X86_BUS_LOCK 33 186 #define KVM_EXIT_XEN 34 187 #define KVM_EXIT_RISCV_SBI 35 188 #define KVM_EXIT_RISCV_CSR 36 189 #define KVM_EXIT_NOTIFY 37 190 #define KVM_EXIT_LOONGARCH_IOCSR 38 191 #define KVM_EXIT_MEMORY_FAULT 39 192 #define KVM_EXIT_TDX 40 193 #define KVM_EXIT_ARM_SEA 41 194 #define KVM_EXIT_ARM_LDST64B 42 195 #define KVM_EXIT_SNP_REQ_CERTS 43 196 197 /* For KVM_EXIT_INTERNAL_ERROR */ 198 /* Emulate instruction failed. */ 199 #define KVM_INTERNAL_ERROR_EMULATION 1 200 /* Encounter unexpected simultaneous exceptions. */ 201 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 202 /* Encounter unexpected vm-exit due to delivery event. */ 203 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 204 /* Encounter unexpected vm-exit reason */ 205 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 206 207 /* Flags that describe what fields in emulation_failure hold valid data. */ 208 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 209 210 /* 211 * struct kvm_run can be modified by userspace at any time, so KVM must be 212 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM() 213 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when 214 * compiled into the kernel, ensuring that any use within KVM is obvious and 215 * gets extra scrutiny. 216 */ 217 #ifdef __KERNEL__ 218 #define HINT_UNSAFE_IN_KVM(_symbol) _symbol##__unsafe 219 #else 220 #define HINT_UNSAFE_IN_KVM(_symbol) _symbol 221 #endif 222 223 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 224 struct kvm_run { 225 /* in */ 226 __u8 request_interrupt_window; 227 __u8 HINT_UNSAFE_IN_KVM(immediate_exit); 228 __u8 padding1[6]; 229 230 /* out */ 231 __u32 exit_reason; 232 __u8 ready_for_interrupt_injection; 233 __u8 if_flag; 234 __u16 flags; 235 236 /* in (pre_kvm_run), out (post_kvm_run) */ 237 __u64 cr8; 238 __u64 apic_base; 239 240 #ifdef __KVM_S390 241 /* the processor status word for s390 */ 242 __u64 psw_mask; /* psw upper half */ 243 __u64 psw_addr; /* psw lower half */ 244 #endif 245 union { 246 /* KVM_EXIT_UNKNOWN */ 247 struct { 248 __u64 hardware_exit_reason; 249 } hw; 250 /* KVM_EXIT_FAIL_ENTRY */ 251 struct { 252 __u64 hardware_entry_failure_reason; 253 __u32 cpu; 254 } fail_entry; 255 /* KVM_EXIT_EXCEPTION */ 256 struct { 257 __u32 exception; 258 __u32 error_code; 259 } ex; 260 /* KVM_EXIT_IO */ 261 struct { 262 #define KVM_EXIT_IO_IN 0 263 #define KVM_EXIT_IO_OUT 1 264 __u8 direction; 265 __u8 size; /* bytes */ 266 __u16 port; 267 __u32 count; 268 __u64 data_offset; /* relative to kvm_run start */ 269 } io; 270 /* KVM_EXIT_DEBUG */ 271 struct { 272 struct kvm_debug_exit_arch arch; 273 } debug; 274 /* KVM_EXIT_MMIO */ 275 struct { 276 __u64 phys_addr; 277 __u8 data[8]; 278 __u32 len; 279 __u8 is_write; 280 } mmio; 281 /* KVM_EXIT_LOONGARCH_IOCSR */ 282 struct { 283 __u64 phys_addr; 284 __u8 data[8]; 285 __u32 len; 286 __u8 is_write; 287 } iocsr_io; 288 /* KVM_EXIT_HYPERCALL */ 289 struct { 290 __u64 nr; 291 __u64 args[6]; 292 __u64 ret; 293 294 union { 295 #ifndef __KERNEL__ 296 __u32 longmode; 297 #endif 298 __u64 flags; 299 }; 300 } hypercall; 301 /* KVM_EXIT_TPR_ACCESS */ 302 struct { 303 __u64 rip; 304 __u32 is_write; 305 __u32 pad; 306 } tpr_access; 307 /* KVM_EXIT_S390_SIEIC */ 308 struct { 309 __u8 icptcode; 310 __u16 ipa; 311 __u32 ipb; 312 } s390_sieic; 313 /* KVM_EXIT_S390_RESET */ 314 __u64 s390_reset_flags; 315 /* KVM_EXIT_S390_UCONTROL */ 316 struct { 317 __u64 trans_exc_code; 318 __u32 pgm_code; 319 } s390_ucontrol; 320 /* KVM_EXIT_DCR (deprecated) */ 321 struct { 322 __u32 dcrn; 323 __u32 data; 324 __u8 is_write; 325 } dcr; 326 /* KVM_EXIT_INTERNAL_ERROR */ 327 struct { 328 __u32 suberror; 329 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 330 __u32 ndata; 331 __u64 data[16]; 332 } internal; 333 /* 334 * KVM_INTERNAL_ERROR_EMULATION 335 * 336 * "struct emulation_failure" is an overlay of "struct internal" 337 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 338 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 339 * sub-types, this struct is ABI! It also needs to be backwards 340 * compatible with "struct internal". Take special care that 341 * "ndata" is correct, that new fields are enumerated in "flags", 342 * and that each flag enumerates fields that are 64-bit aligned 343 * and sized (so that ndata+internal.data[] is valid/accurate). 344 * 345 * Space beyond the defined fields may be used to store arbitrary 346 * debug information relating to the emulation failure. It is 347 * accounted for in "ndata" but the format is unspecified and is 348 * not represented in "flags". Any such information is *not* ABI! 349 */ 350 struct { 351 __u32 suberror; 352 __u32 ndata; 353 __u64 flags; 354 union { 355 struct { 356 __u8 insn_size; 357 __u8 insn_bytes[15]; 358 }; 359 }; 360 /* Arbitrary debug data may follow. */ 361 } emulation_failure; 362 /* KVM_EXIT_OSI */ 363 struct { 364 __u64 gprs[32]; 365 } osi; 366 /* KVM_EXIT_PAPR_HCALL */ 367 struct { 368 __u64 nr; 369 __u64 ret; 370 __u64 args[9]; 371 } papr_hcall; 372 /* KVM_EXIT_S390_TSCH */ 373 struct { 374 __u16 subchannel_id; 375 __u16 subchannel_nr; 376 __u32 io_int_parm; 377 __u32 io_int_word; 378 __u32 ipb; 379 __u8 dequeued; 380 } s390_tsch; 381 /* KVM_EXIT_EPR */ 382 struct { 383 __u32 epr; 384 } epr; 385 /* KVM_EXIT_SYSTEM_EVENT */ 386 struct { 387 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 388 #define KVM_SYSTEM_EVENT_RESET 2 389 #define KVM_SYSTEM_EVENT_CRASH 3 390 #define KVM_SYSTEM_EVENT_WAKEUP 4 391 #define KVM_SYSTEM_EVENT_SUSPEND 5 392 #define KVM_SYSTEM_EVENT_SEV_TERM 6 393 #define KVM_SYSTEM_EVENT_TDX_FATAL 7 394 __u32 type; 395 __u32 ndata; 396 union { 397 #ifndef __KERNEL__ 398 __u64 flags; 399 #endif 400 __u64 data[16]; 401 }; 402 } system_event; 403 /* KVM_EXIT_S390_STSI */ 404 struct { 405 __u64 addr; 406 __u8 ar; 407 __u8 reserved; 408 __u8 fc; 409 __u8 sel1; 410 __u16 sel2; 411 } s390_stsi; 412 /* KVM_EXIT_IOAPIC_EOI */ 413 struct { 414 __u8 vector; 415 } eoi; 416 /* KVM_EXIT_HYPERV */ 417 struct kvm_hyperv_exit hyperv; 418 /* KVM_EXIT_ARM_NISV / KVM_EXIT_ARM_LDST64B */ 419 struct { 420 __u64 esr_iss; 421 __u64 fault_ipa; 422 } arm_nisv; 423 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 424 struct { 425 __u8 error; /* user -> kernel */ 426 __u8 pad[7]; 427 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 428 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 429 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 430 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 431 KVM_MSR_EXIT_REASON_UNKNOWN | \ 432 KVM_MSR_EXIT_REASON_FILTER) 433 __u32 reason; /* kernel -> user */ 434 __u32 index; /* kernel -> user */ 435 __u64 data; /* kernel <-> user */ 436 } msr; 437 /* KVM_EXIT_XEN */ 438 struct kvm_xen_exit xen; 439 /* KVM_EXIT_RISCV_SBI */ 440 struct { 441 unsigned long extension_id; 442 unsigned long function_id; 443 unsigned long args[6]; 444 unsigned long ret[2]; 445 } riscv_sbi; 446 /* KVM_EXIT_RISCV_CSR */ 447 struct { 448 unsigned long csr_num; 449 unsigned long new_value; 450 unsigned long write_mask; 451 unsigned long ret_value; 452 } riscv_csr; 453 /* KVM_EXIT_NOTIFY */ 454 struct { 455 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 456 __u32 flags; 457 } notify; 458 /* KVM_EXIT_MEMORY_FAULT */ 459 struct { 460 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 461 __u64 flags; 462 __u64 gpa; 463 __u64 size; 464 } memory_fault; 465 /* KVM_EXIT_TDX */ 466 struct { 467 __u64 flags; 468 __u64 nr; 469 union { 470 struct { 471 __u64 ret; 472 __u64 data[5]; 473 } unknown; 474 struct { 475 __u64 ret; 476 __u64 gpa; 477 __u64 size; 478 } get_quote; 479 struct { 480 __u64 ret; 481 __u64 leaf; 482 __u64 r11, r12, r13, r14; 483 } get_tdvmcall_info; 484 struct { 485 __u64 ret; 486 __u64 vector; 487 } setup_event_notify; 488 }; 489 } tdx; 490 /* KVM_EXIT_ARM_SEA */ 491 struct { 492 #define KVM_EXIT_ARM_SEA_FLAG_GPA_VALID (1ULL << 0) 493 __u64 flags; 494 __u64 esr; 495 __u64 gva; 496 __u64 gpa; 497 } arm_sea; 498 /* KVM_EXIT_SNP_REQ_CERTS */ 499 struct kvm_exit_snp_req_certs snp_req_certs; 500 /* Fix the size of the union. */ 501 char padding[256]; 502 }; 503 504 /* 2048 is the size of the char array used to bound/pad the size 505 * of the union that holds sync regs. 506 */ 507 #define SYNC_REGS_SIZE_BYTES 2048 508 /* 509 * shared registers between kvm and userspace. 510 * kvm_valid_regs specifies the register classes set by the host 511 * kvm_dirty_regs specified the register classes dirtied by userspace 512 * struct kvm_sync_regs is architecture specific, as well as the 513 * bits for kvm_valid_regs and kvm_dirty_regs 514 */ 515 __u64 kvm_valid_regs; 516 __u64 kvm_dirty_regs; 517 union { 518 struct kvm_sync_regs regs; 519 char padding[SYNC_REGS_SIZE_BYTES]; 520 } s; 521 }; 522 523 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 524 525 struct kvm_coalesced_mmio_zone { 526 __u64 addr; 527 __u32 size; 528 union { 529 __u32 pad; 530 __u32 pio; 531 }; 532 }; 533 534 struct kvm_coalesced_mmio { 535 __u64 phys_addr; 536 __u32 len; 537 union { 538 __u32 pad; 539 __u32 pio; 540 }; 541 __u8 data[8]; 542 }; 543 544 struct kvm_coalesced_mmio_ring { 545 __u32 first, last; 546 __DECLARE_FLEX_ARRAY(struct kvm_coalesced_mmio, coalesced_mmio); 547 }; 548 549 #define KVM_COALESCED_MMIO_MAX \ 550 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 551 sizeof(struct kvm_coalesced_mmio)) 552 553 /* for KVM_TRANSLATE */ 554 struct kvm_translation { 555 /* in */ 556 __u64 linear_address; 557 558 /* out */ 559 __u64 physical_address; 560 __u8 valid; 561 __u8 writeable; 562 __u8 usermode; 563 __u8 pad[5]; 564 }; 565 566 /* for KVM_INTERRUPT */ 567 struct kvm_interrupt { 568 /* in */ 569 __u32 irq; 570 }; 571 572 /* for KVM_GET_DIRTY_LOG */ 573 struct kvm_dirty_log { 574 __u32 slot; 575 __u32 padding1; 576 union { 577 void __user *dirty_bitmap; /* one bit per page */ 578 __u64 padding2; 579 }; 580 }; 581 582 /* for KVM_CLEAR_DIRTY_LOG */ 583 struct kvm_clear_dirty_log { 584 __u32 slot; 585 __u32 num_pages; 586 __u64 first_page; 587 union { 588 void __user *dirty_bitmap; /* one bit per page */ 589 __u64 padding2; 590 }; 591 }; 592 593 /* for KVM_SET_SIGNAL_MASK */ 594 struct kvm_signal_mask { 595 __u32 len; 596 __DECLARE_FLEX_ARRAY(__u8, sigset); 597 }; 598 599 /* for KVM_TPR_ACCESS_REPORTING */ 600 struct kvm_tpr_access_ctl { 601 __u32 enabled; 602 __u32 flags; 603 __u32 reserved[8]; 604 }; 605 606 /* for KVM_SET_VAPIC_ADDR */ 607 struct kvm_vapic_addr { 608 __u64 vapic_addr; 609 }; 610 611 /* for KVM_SET_MP_STATE */ 612 613 /* not all states are valid on all architectures */ 614 #define KVM_MP_STATE_RUNNABLE 0 615 #define KVM_MP_STATE_UNINITIALIZED 1 616 #define KVM_MP_STATE_INIT_RECEIVED 2 617 #define KVM_MP_STATE_HALTED 3 618 #define KVM_MP_STATE_SIPI_RECEIVED 4 619 #define KVM_MP_STATE_STOPPED 5 620 #define KVM_MP_STATE_CHECK_STOP 6 621 #define KVM_MP_STATE_OPERATING 7 622 #define KVM_MP_STATE_LOAD 8 623 #define KVM_MP_STATE_AP_RESET_HOLD 9 624 #define KVM_MP_STATE_SUSPENDED 10 625 626 struct kvm_mp_state { 627 __u32 mp_state; 628 }; 629 630 /* for KVM_SET_GUEST_DEBUG */ 631 632 #define KVM_GUESTDBG_ENABLE 0x00000001 633 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 634 635 struct kvm_guest_debug { 636 __u32 control; 637 __u32 pad; 638 struct kvm_guest_debug_arch arch; 639 }; 640 641 enum { 642 kvm_ioeventfd_flag_nr_datamatch, 643 kvm_ioeventfd_flag_nr_pio, 644 kvm_ioeventfd_flag_nr_deassign, 645 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 646 kvm_ioeventfd_flag_nr_fast_mmio, 647 kvm_ioeventfd_flag_nr_max, 648 }; 649 650 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 651 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 652 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 653 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 654 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 655 656 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 657 658 struct kvm_ioeventfd { 659 __u64 datamatch; 660 __u64 addr; /* legal pio/mmio address */ 661 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 662 __s32 fd; 663 __u32 flags; 664 __u8 pad[36]; 665 }; 666 667 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 668 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 669 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 670 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 671 #define KVM_X86_DISABLE_EXITS_APERFMPERF (1 << 4) 672 673 /* for KVM_ENABLE_CAP */ 674 struct kvm_enable_cap { 675 /* in */ 676 __u32 cap; 677 __u32 flags; 678 __u64 args[4]; 679 __u8 pad[64]; 680 }; 681 682 #define KVMIO 0xAE 683 684 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 685 #define KVM_VM_S390_UCONTROL 1 686 687 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 688 #define KVM_VM_PPC_HV 1 689 #define KVM_VM_PPC_PR 2 690 691 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 692 #define KVM_VM_MIPS_AUTO 0 693 #define KVM_VM_MIPS_VZ 1 694 #define KVM_VM_MIPS_TE 2 695 696 #define KVM_S390_SIE_PAGE_OFFSET 1 697 698 /* 699 * On arm64, machine type can be used to request the physical 700 * address size for the VM. Bits[7-0] are reserved for the guest 701 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 702 * value 0 implies the default IPA size, 40bits. 703 */ 704 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 705 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 706 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 707 708 #define KVM_VM_TYPE_ARM_PROTECTED (1UL << 31) 709 #define KVM_VM_TYPE_ARM_MASK (KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \ 710 KVM_VM_TYPE_ARM_PROTECTED) 711 712 /* 713 * ioctls for /dev/kvm fds: 714 */ 715 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 716 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 717 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 718 719 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 720 /* 721 * Check if a kvm extension is available. Argument is extension number, 722 * return is 1 (yes) or 0 (no, sorry). 723 */ 724 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 725 /* 726 * Get size for mmap(vcpu_fd) 727 */ 728 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 729 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 730 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 731 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 732 733 /* 734 * Extension capability list. 735 */ 736 #define KVM_CAP_IRQCHIP 0 737 #define KVM_CAP_HLT 1 738 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 739 #define KVM_CAP_USER_MEMORY 3 740 #define KVM_CAP_SET_TSS_ADDR 4 741 #define KVM_CAP_VAPIC 6 742 #define KVM_CAP_EXT_CPUID 7 743 #define KVM_CAP_CLOCKSOURCE 8 744 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 745 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 746 #define KVM_CAP_PIT 11 747 #define KVM_CAP_NOP_IO_DELAY 12 748 #define KVM_CAP_PV_MMU 13 749 #define KVM_CAP_MP_STATE 14 750 #define KVM_CAP_COALESCED_MMIO 15 751 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 752 #define KVM_CAP_IOMMU 18 753 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 754 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 755 #define KVM_CAP_USER_NMI 22 756 #define KVM_CAP_SET_GUEST_DEBUG 23 757 #ifdef __KVM_HAVE_PIT 758 #define KVM_CAP_REINJECT_CONTROL 24 759 #endif 760 #define KVM_CAP_IRQ_ROUTING 25 761 #define KVM_CAP_IRQ_INJECT_STATUS 26 762 #define KVM_CAP_ASSIGN_DEV_IRQ 29 763 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 764 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 765 #ifdef __KVM_HAVE_MCE 766 #define KVM_CAP_MCE 31 767 #endif 768 #define KVM_CAP_IRQFD 32 769 #ifdef __KVM_HAVE_PIT 770 #define KVM_CAP_PIT2 33 771 #endif 772 #define KVM_CAP_SET_BOOT_CPU_ID 34 773 #ifdef __KVM_HAVE_PIT_STATE2 774 #define KVM_CAP_PIT_STATE2 35 775 #endif 776 #define KVM_CAP_IOEVENTFD 36 777 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 778 #ifdef __KVM_HAVE_XEN_HVM 779 #define KVM_CAP_XEN_HVM 38 780 #endif 781 #define KVM_CAP_ADJUST_CLOCK 39 782 #define KVM_CAP_INTERNAL_ERROR_DATA 40 783 #ifdef __KVM_HAVE_VCPU_EVENTS 784 #define KVM_CAP_VCPU_EVENTS 41 785 #endif 786 #define KVM_CAP_S390_PSW 42 787 #define KVM_CAP_PPC_SEGSTATE 43 788 #define KVM_CAP_HYPERV 44 789 #define KVM_CAP_HYPERV_VAPIC 45 790 #define KVM_CAP_HYPERV_SPIN 46 791 #define KVM_CAP_PCI_SEGMENT 47 792 #define KVM_CAP_PPC_PAIRED_SINGLES 48 793 #define KVM_CAP_INTR_SHADOW 49 794 #ifdef __KVM_HAVE_DEBUGREGS 795 #define KVM_CAP_DEBUGREGS 50 796 #endif 797 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 798 #define KVM_CAP_PPC_OSI 52 799 #define KVM_CAP_PPC_UNSET_IRQ 53 800 #define KVM_CAP_ENABLE_CAP 54 801 #ifdef __KVM_HAVE_XSAVE 802 #define KVM_CAP_XSAVE 55 803 #endif 804 #ifdef __KVM_HAVE_XCRS 805 #define KVM_CAP_XCRS 56 806 #endif 807 #define KVM_CAP_PPC_GET_PVINFO 57 808 #define KVM_CAP_PPC_IRQ_LEVEL 58 809 #define KVM_CAP_ASYNC_PF 59 810 #define KVM_CAP_TSC_CONTROL 60 811 #define KVM_CAP_GET_TSC_KHZ 61 812 #define KVM_CAP_PPC_BOOKE_SREGS 62 813 #define KVM_CAP_SPAPR_TCE 63 814 #define KVM_CAP_PPC_SMT 64 815 #define KVM_CAP_PPC_RMA 65 816 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 817 #define KVM_CAP_PPC_HIOR 67 818 #define KVM_CAP_PPC_PAPR 68 819 #define KVM_CAP_SW_TLB 69 820 #define KVM_CAP_ONE_REG 70 821 #define KVM_CAP_S390_GMAP 71 822 #define KVM_CAP_TSC_DEADLINE_TIMER 72 823 #define KVM_CAP_S390_UCONTROL 73 824 #define KVM_CAP_SYNC_REGS 74 825 #define KVM_CAP_PCI_2_3 75 826 #define KVM_CAP_KVMCLOCK_CTRL 76 827 #define KVM_CAP_SIGNAL_MSI 77 828 #define KVM_CAP_PPC_GET_SMMU_INFO 78 829 #define KVM_CAP_S390_COW 79 830 #define KVM_CAP_PPC_ALLOC_HTAB 80 831 #define KVM_CAP_READONLY_MEM 81 832 #define KVM_CAP_IRQFD_RESAMPLE 82 833 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 834 #define KVM_CAP_PPC_HTAB_FD 84 835 #define KVM_CAP_S390_CSS_SUPPORT 85 836 #define KVM_CAP_PPC_EPR 86 837 #define KVM_CAP_ARM_PSCI 87 838 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 839 #define KVM_CAP_DEVICE_CTRL 89 840 #define KVM_CAP_IRQ_MPIC 90 841 #define KVM_CAP_PPC_RTAS 91 842 #define KVM_CAP_IRQ_XICS 92 843 #define KVM_CAP_ARM_EL1_32BIT 93 844 #define KVM_CAP_SPAPR_MULTITCE 94 845 #define KVM_CAP_EXT_EMUL_CPUID 95 846 #define KVM_CAP_HYPERV_TIME 96 847 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 848 #define KVM_CAP_ENABLE_CAP_VM 98 849 #define KVM_CAP_S390_IRQCHIP 99 850 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 851 #define KVM_CAP_VM_ATTRIBUTES 101 852 #define KVM_CAP_ARM_PSCI_0_2 102 853 #define KVM_CAP_PPC_FIXUP_HCALL 103 854 #define KVM_CAP_PPC_ENABLE_HCALL 104 855 #define KVM_CAP_CHECK_EXTENSION_VM 105 856 #define KVM_CAP_S390_USER_SIGP 106 857 #define KVM_CAP_S390_VECTOR_REGISTERS 107 858 #define KVM_CAP_S390_MEM_OP 108 859 #define KVM_CAP_S390_USER_STSI 109 860 #define KVM_CAP_S390_SKEYS 110 861 #define KVM_CAP_MIPS_FPU 111 862 #define KVM_CAP_MIPS_MSA 112 863 #define KVM_CAP_S390_INJECT_IRQ 113 864 #define KVM_CAP_S390_IRQ_STATE 114 865 #define KVM_CAP_PPC_HWRNG 115 866 #define KVM_CAP_DISABLE_QUIRKS 116 867 #define KVM_CAP_X86_SMM 117 868 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 869 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 870 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 871 #define KVM_CAP_SPLIT_IRQCHIP 121 872 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 873 #define KVM_CAP_HYPERV_SYNIC 123 874 #define KVM_CAP_S390_RI 124 875 #define KVM_CAP_SPAPR_TCE_64 125 876 #define KVM_CAP_ARM_PMU_V3 126 877 #define KVM_CAP_VCPU_ATTRIBUTES 127 878 #define KVM_CAP_MAX_VCPU_ID 128 879 #define KVM_CAP_X2APIC_API 129 880 #define KVM_CAP_S390_USER_INSTR0 130 881 #define KVM_CAP_MSI_DEVID 131 882 #define KVM_CAP_PPC_HTM 132 883 #define KVM_CAP_SPAPR_RESIZE_HPT 133 884 #define KVM_CAP_PPC_MMU_RADIX 134 885 #define KVM_CAP_PPC_MMU_HASH_V3 135 886 #define KVM_CAP_IMMEDIATE_EXIT 136 887 #define KVM_CAP_MIPS_VZ 137 888 #define KVM_CAP_MIPS_TE 138 889 #define KVM_CAP_MIPS_64BIT 139 890 #define KVM_CAP_S390_GS 140 891 #define KVM_CAP_S390_AIS 141 892 #define KVM_CAP_SPAPR_TCE_VFIO 142 893 #define KVM_CAP_X86_DISABLE_EXITS 143 894 #define KVM_CAP_ARM_USER_IRQ 144 895 #define KVM_CAP_S390_CMMA_MIGRATION 145 896 #define KVM_CAP_PPC_FWNMI 146 897 #define KVM_CAP_PPC_SMT_POSSIBLE 147 898 #define KVM_CAP_HYPERV_SYNIC2 148 899 #define KVM_CAP_HYPERV_VP_INDEX 149 900 #define KVM_CAP_S390_AIS_MIGRATION 150 901 #define KVM_CAP_PPC_GET_CPU_CHAR 151 902 #define KVM_CAP_S390_BPB 152 903 #define KVM_CAP_GET_MSR_FEATURES 153 904 #define KVM_CAP_HYPERV_EVENTFD 154 905 #define KVM_CAP_HYPERV_TLBFLUSH 155 906 #define KVM_CAP_S390_HPAGE_1M 156 907 #define KVM_CAP_NESTED_STATE 157 908 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 909 #define KVM_CAP_MSR_PLATFORM_INFO 159 910 #define KVM_CAP_PPC_NESTED_HV 160 911 #define KVM_CAP_HYPERV_SEND_IPI 161 912 #define KVM_CAP_COALESCED_PIO 162 913 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 914 #define KVM_CAP_EXCEPTION_PAYLOAD 164 915 #define KVM_CAP_ARM_VM_IPA_SIZE 165 916 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 917 #define KVM_CAP_HYPERV_CPUID 167 918 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 919 #define KVM_CAP_PPC_IRQ_XIVE 169 920 #define KVM_CAP_ARM_SVE 170 921 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 922 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 923 #define KVM_CAP_PMU_EVENT_FILTER 173 924 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 925 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 926 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 927 #define KVM_CAP_ARM_NISV_TO_USER 177 928 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 929 #define KVM_CAP_S390_VCPU_RESETS 179 930 #define KVM_CAP_S390_PROTECTED 180 931 #define KVM_CAP_PPC_SECURE_GUEST 181 932 #define KVM_CAP_HALT_POLL 182 933 #define KVM_CAP_ASYNC_PF_INT 183 934 #define KVM_CAP_LAST_CPU 184 935 #define KVM_CAP_SMALLER_MAXPHYADDR 185 936 #define KVM_CAP_S390_DIAG318 186 937 #define KVM_CAP_STEAL_TIME 187 938 #define KVM_CAP_X86_USER_SPACE_MSR 188 939 #define KVM_CAP_X86_MSR_FILTER 189 940 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 941 #define KVM_CAP_SYS_HYPERV_CPUID 191 942 #define KVM_CAP_DIRTY_LOG_RING 192 943 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 944 #define KVM_CAP_PPC_DAWR1 194 945 #define KVM_CAP_SET_GUEST_DEBUG2 195 946 #define KVM_CAP_SGX_ATTRIBUTE 196 947 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 948 #define KVM_CAP_PTP_KVM 198 949 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 950 #define KVM_CAP_SREGS2 200 951 #define KVM_CAP_EXIT_HYPERCALL 201 952 #define KVM_CAP_PPC_RPT_INVALIDATE 202 953 #define KVM_CAP_BINARY_STATS_FD 203 954 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 955 #define KVM_CAP_ARM_MTE 205 956 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 957 #define KVM_CAP_VM_GPA_BITS 207 958 #define KVM_CAP_XSAVE2 208 959 #define KVM_CAP_SYS_ATTRIBUTES 209 960 #define KVM_CAP_PPC_AIL_MODE_3 210 961 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 962 #define KVM_CAP_PMU_CAPABILITY 212 963 #define KVM_CAP_DISABLE_QUIRKS2 213 964 #define KVM_CAP_VM_TSC_CONTROL 214 965 #define KVM_CAP_SYSTEM_EVENT_DATA 215 966 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 967 #define KVM_CAP_S390_PROTECTED_DUMP 217 968 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 969 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 970 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 971 #define KVM_CAP_S390_ZPCI_OP 221 972 #define KVM_CAP_S390_CPU_TOPOLOGY 222 973 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 974 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 975 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 976 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 977 #define KVM_CAP_COUNTER_OFFSET 227 978 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 979 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 980 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 981 #define KVM_CAP_USER_MEMORY2 231 982 #define KVM_CAP_MEMORY_FAULT_INFO 232 983 #define KVM_CAP_MEMORY_ATTRIBUTES 233 984 #define KVM_CAP_GUEST_MEMFD 234 985 #define KVM_CAP_VM_TYPES 235 986 #define KVM_CAP_PRE_FAULT_MEMORY 236 987 #define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237 988 #define KVM_CAP_X86_GUEST_MODE 238 989 #define KVM_CAP_ARM_WRITABLE_IMP_ID_REGS 239 990 #define KVM_CAP_ARM_EL2 240 991 #define KVM_CAP_ARM_EL2_E2H0 241 992 #define KVM_CAP_RISCV_MP_STATE_RESET 242 993 #define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243 994 #define KVM_CAP_GUEST_MEMFD_FLAGS 244 995 #define KVM_CAP_ARM_SEA_TO_USER 245 996 #define KVM_CAP_S390_USER_OPEREXEC 246 997 #define KVM_CAP_S390_KEYOP 247 998 #define KVM_CAP_S390_VSIE_ESAMODE 248 999 #define KVM_CAP_S390_HPAGE_2G 249 1000 1001 struct kvm_irq_routing_irqchip { 1002 __u32 irqchip; 1003 __u32 pin; 1004 }; 1005 1006 struct kvm_irq_routing_msi { 1007 __u32 address_lo; 1008 __u32 address_hi; 1009 __u32 data; 1010 union { 1011 __u32 pad; 1012 __u32 devid; 1013 }; 1014 }; 1015 1016 struct kvm_irq_routing_s390_adapter { 1017 __u64 ind_addr; 1018 __u64 summary_addr; 1019 __u64 ind_offset; 1020 __u32 summary_offset; 1021 __u32 adapter_id; 1022 }; 1023 1024 struct kvm_irq_routing_hv_sint { 1025 __u32 vcpu; 1026 __u32 sint; 1027 }; 1028 1029 struct kvm_irq_routing_xen_evtchn { 1030 __u32 port; 1031 __u32 vcpu; 1032 __u32 priority; 1033 }; 1034 1035 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1036 1037 /* gsi routing entry types */ 1038 #define KVM_IRQ_ROUTING_IRQCHIP 1 1039 #define KVM_IRQ_ROUTING_MSI 2 1040 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1041 #define KVM_IRQ_ROUTING_HV_SINT 4 1042 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1043 1044 struct kvm_irq_routing_entry { 1045 __u32 gsi; 1046 __u32 type; 1047 __u32 flags; 1048 __u32 pad; 1049 union { 1050 struct kvm_irq_routing_irqchip irqchip; 1051 struct kvm_irq_routing_msi msi; 1052 struct kvm_irq_routing_s390_adapter adapter; 1053 struct kvm_irq_routing_hv_sint hv_sint; 1054 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1055 __u32 pad[8]; 1056 } u; 1057 }; 1058 1059 struct kvm_irq_routing { 1060 __u32 nr; 1061 __u32 flags; 1062 __DECLARE_FLEX_ARRAY(struct kvm_irq_routing_entry, entries); 1063 }; 1064 1065 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1066 /* 1067 * Available with KVM_CAP_IRQFD_RESAMPLE 1068 * 1069 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1070 * the irqfd to operate in resampling mode for level triggered interrupt 1071 * emulation. See Documentation/virt/kvm/api.rst. 1072 */ 1073 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1074 1075 struct kvm_irqfd { 1076 __u32 fd; 1077 __u32 gsi; 1078 __u32 flags; 1079 __u32 resamplefd; 1080 __u8 pad[16]; 1081 }; 1082 1083 /* For KVM_CAP_ADJUST_CLOCK */ 1084 1085 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1086 #define KVM_CLOCK_TSC_STABLE 2 1087 #define KVM_CLOCK_REALTIME (1 << 2) 1088 #define KVM_CLOCK_HOST_TSC (1 << 3) 1089 1090 struct kvm_clock_data { 1091 __u64 clock; 1092 __u32 flags; 1093 __u32 pad0; 1094 __u64 realtime; 1095 __u64 host_tsc; 1096 __u32 pad[4]; 1097 }; 1098 1099 /* For KVM_CAP_SW_TLB */ 1100 1101 #define KVM_MMU_FSL_BOOKE_NOHV 0 1102 #define KVM_MMU_FSL_BOOKE_HV 1 1103 1104 struct kvm_config_tlb { 1105 __u64 params; 1106 __u64 array; 1107 __u32 mmu_type; 1108 __u32 array_len; 1109 }; 1110 1111 struct kvm_dirty_tlb { 1112 __u64 bitmap; 1113 __u32 num_dirty; 1114 }; 1115 1116 /* Available with KVM_CAP_ONE_REG */ 1117 1118 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1119 #define KVM_REG_GENERIC 0x0000000000000000ULL 1120 1121 /* 1122 * Architecture specific registers are to be defined in arch headers and 1123 * ORed with the arch identifier. 1124 */ 1125 #define KVM_REG_PPC 0x1000000000000000ULL 1126 #define KVM_REG_X86 0x2000000000000000ULL 1127 #define KVM_REG_IA64 0x3000000000000000ULL 1128 #define KVM_REG_ARM 0x4000000000000000ULL 1129 #define KVM_REG_S390 0x5000000000000000ULL 1130 #define KVM_REG_ARM64 0x6000000000000000ULL 1131 #define KVM_REG_MIPS 0x7000000000000000ULL 1132 #define KVM_REG_RISCV 0x8000000000000000ULL 1133 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1134 1135 #define KVM_REG_SIZE_SHIFT 52 1136 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1137 1138 #define KVM_REG_SIZE(id) \ 1139 (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) 1140 1141 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1142 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1143 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1144 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1145 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1146 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1147 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1148 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1149 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1150 1151 struct kvm_reg_list { 1152 __u64 n; /* number of regs */ 1153 __DECLARE_FLEX_ARRAY(__u64, reg); 1154 }; 1155 1156 struct kvm_one_reg { 1157 __u64 id; 1158 __u64 addr; 1159 }; 1160 1161 #define KVM_MSI_VALID_DEVID (1U << 0) 1162 struct kvm_msi { 1163 __u32 address_lo; 1164 __u32 address_hi; 1165 __u32 data; 1166 __u32 flags; 1167 __u32 devid; 1168 __u8 pad[12]; 1169 }; 1170 1171 struct kvm_arm_device_addr { 1172 __u64 id; 1173 __u64 addr; 1174 }; 1175 1176 /* 1177 * Device control API, available with KVM_CAP_DEVICE_CTRL 1178 */ 1179 #define KVM_CREATE_DEVICE_TEST 1 1180 1181 struct kvm_create_device { 1182 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1183 __u32 fd; /* out: device handle */ 1184 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1185 }; 1186 1187 struct kvm_device_attr { 1188 __u32 flags; /* no flags currently defined */ 1189 __u32 group; /* device-defined */ 1190 __u64 attr; /* group-defined */ 1191 __u64 addr; /* userspace address of attr data */ 1192 }; 1193 1194 #define KVM_DEV_VFIO_FILE 1 1195 1196 #define KVM_DEV_VFIO_FILE_ADD 1 1197 #define KVM_DEV_VFIO_FILE_DEL 2 1198 1199 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1200 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1201 1202 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1203 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1204 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1205 1206 enum kvm_device_type { 1207 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1208 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1209 KVM_DEV_TYPE_FSL_MPIC_42, 1210 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1211 KVM_DEV_TYPE_XICS, 1212 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1213 KVM_DEV_TYPE_VFIO, 1214 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1215 KVM_DEV_TYPE_ARM_VGIC_V2, 1216 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1217 KVM_DEV_TYPE_FLIC, 1218 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1219 KVM_DEV_TYPE_ARM_VGIC_V3, 1220 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1221 KVM_DEV_TYPE_ARM_VGIC_ITS, 1222 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1223 KVM_DEV_TYPE_XIVE, 1224 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1225 KVM_DEV_TYPE_ARM_PV_TIME, 1226 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1227 KVM_DEV_TYPE_RISCV_AIA, 1228 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1229 KVM_DEV_TYPE_LOONGARCH_IPI, 1230 #define KVM_DEV_TYPE_LOONGARCH_IPI KVM_DEV_TYPE_LOONGARCH_IPI 1231 KVM_DEV_TYPE_LOONGARCH_EIOINTC, 1232 #define KVM_DEV_TYPE_LOONGARCH_EIOINTC KVM_DEV_TYPE_LOONGARCH_EIOINTC 1233 KVM_DEV_TYPE_LOONGARCH_PCHPIC, 1234 #define KVM_DEV_TYPE_LOONGARCH_PCHPIC KVM_DEV_TYPE_LOONGARCH_PCHPIC 1235 KVM_DEV_TYPE_LOONGARCH_DMSINTC, 1236 #define KVM_DEV_TYPE_LOONGARCH_DMSINTC KVM_DEV_TYPE_LOONGARCH_DMSINTC 1237 KVM_DEV_TYPE_ARM_VGIC_V5, 1238 #define KVM_DEV_TYPE_ARM_VGIC_V5 KVM_DEV_TYPE_ARM_VGIC_V5 1239 1240 KVM_DEV_TYPE_MAX, 1241 1242 }; 1243 1244 struct kvm_vfio_spapr_tce { 1245 __s32 groupfd; 1246 __s32 tablefd; 1247 }; 1248 1249 #define KVM_S390_KEYOP_ISKE 0x01 1250 #define KVM_S390_KEYOP_RRBE 0x02 1251 #define KVM_S390_KEYOP_SSKE 0x03 1252 struct kvm_s390_keyop { 1253 __u64 guest_addr; 1254 __u8 key; 1255 __u8 operation; 1256 __u8 pad[6]; 1257 }; 1258 1259 /* 1260 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1261 * a vcpu fd. 1262 */ 1263 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1264 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1265 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1266 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1267 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1268 struct kvm_userspace_memory_region) 1269 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1270 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1271 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1272 struct kvm_userspace_memory_region2) 1273 1274 /* enable ucontrol for s390 */ 1275 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1276 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1277 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1278 #define KVM_S390_KEYOP _IOWR(KVMIO, 0x53, struct kvm_s390_keyop) 1279 1280 /* Device model IOC */ 1281 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1282 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1283 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1284 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1285 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1286 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1287 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1288 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1289 #define KVM_REGISTER_COALESCED_MMIO \ 1290 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1291 #define KVM_UNREGISTER_COALESCED_MMIO \ 1292 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1293 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1294 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1295 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1296 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1297 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1298 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1299 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1300 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1301 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1302 /* Available with KVM_CAP_PIT_STATE2 */ 1303 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1304 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1305 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1306 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1307 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1308 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1309 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1310 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1311 /* Available with KVM_CAP_SIGNAL_MSI */ 1312 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1313 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1314 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1315 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1316 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1317 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1318 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1319 struct kvm_create_spapr_tce_64) 1320 /* Available with KVM_CAP_RMA */ 1321 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1322 /* Available with KVM_CAP_PPC_HTAB_FD */ 1323 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1324 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1325 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1326 /* Available with KVM_CAP_PPC_RTAS */ 1327 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1328 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1329 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1330 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1331 /* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */ 1332 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1333 /* Available with KVM_CAP_PPC_MMU_RADIX */ 1334 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1335 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1336 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1337 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1338 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1339 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1340 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1341 /* Available with KVM_CAP_COUNTER_OFFSET */ 1342 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1343 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1344 1345 /* ioctl for vm fd */ 1346 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1347 1348 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1349 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1350 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1351 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1352 1353 /* 1354 * ioctls for vcpu fds 1355 */ 1356 #define KVM_RUN _IO(KVMIO, 0x80) 1357 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1358 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1359 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1360 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1361 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1362 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1363 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1364 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1365 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1366 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1367 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1368 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1369 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1370 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1371 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1372 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1373 /* Available with KVM_CAP_VAPIC */ 1374 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1375 /* Available with KVM_CAP_VAPIC */ 1376 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1377 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1378 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1379 /* store status for s390 */ 1380 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1381 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1382 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1383 /* initial ipl psw for s390 */ 1384 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1385 /* initial reset for s390 */ 1386 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1387 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1388 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1389 /* Available with KVM_CAP_USER_NMI */ 1390 #define KVM_NMI _IO(KVMIO, 0x9a) 1391 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1392 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1393 /* MCE for x86 */ 1394 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1395 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1396 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1397 /* Available with KVM_CAP_VCPU_EVENTS */ 1398 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1399 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1400 /* Available with KVM_CAP_DEBUGREGS */ 1401 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1402 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1403 /* 1404 * vcpu version available with KVM_CAP_ENABLE_CAP 1405 * vm version available with KVM_CAP_ENABLE_CAP_VM 1406 */ 1407 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1408 /* Available with KVM_CAP_XSAVE */ 1409 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1410 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1411 /* Available with KVM_CAP_XCRS */ 1412 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1413 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1414 /* Available with KVM_CAP_SW_TLB */ 1415 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1416 /* Available with KVM_CAP_ONE_REG */ 1417 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1418 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1419 /* VM is being stopped by host */ 1420 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1421 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1422 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1423 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1424 /* Available with KVM_CAP_S390_MEM_OP */ 1425 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1426 /* Available with KVM_CAP_S390_SKEYS */ 1427 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1428 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1429 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1430 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1431 /* Available with KVM_CAP_S390_IRQ_STATE */ 1432 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1433 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1434 /* Available with KVM_CAP_X86_SMM */ 1435 #define KVM_SMI _IO(KVMIO, 0xb7) 1436 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1437 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1438 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1439 /* Memory Encryption Commands */ 1440 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1441 1442 struct kvm_enc_region { 1443 __u64 addr; 1444 __u64 size; 1445 }; 1446 1447 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1448 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1449 1450 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1451 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1452 1453 /* Available with KVM_CAP_NESTED_STATE */ 1454 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1455 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1456 1457 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1458 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1459 1460 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1461 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1462 1463 /* Available with KVM_CAP_ARM_SVE */ 1464 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1465 1466 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1467 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1468 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1469 1470 /* Available with KVM_CAP_S390_PROTECTED */ 1471 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1472 1473 /* Available with KVM_CAP_X86_MSR_FILTER */ 1474 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1475 1476 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1477 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1478 1479 /* Per-VM Xen attributes */ 1480 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1481 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1482 1483 /* Per-vCPU Xen attributes */ 1484 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1485 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1486 1487 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1488 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1489 1490 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1491 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1492 1493 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1494 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1495 1496 /* 1497 * Arch needs to define the macro after implementing the dirty ring 1498 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1499 * starting page offset of the dirty ring structures. 1500 */ 1501 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1502 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1503 #endif 1504 1505 /* 1506 * KVM dirty GFN flags, defined as: 1507 * 1508 * |---------------+---------------+--------------| 1509 * | bit 1 (reset) | bit 0 (dirty) | Status | 1510 * |---------------+---------------+--------------| 1511 * | 0 | 0 | Invalid GFN | 1512 * | 0 | 1 | Dirty GFN | 1513 * | 1 | X | GFN to reset | 1514 * |---------------+---------------+--------------| 1515 * 1516 * Lifecycle of a dirty GFN goes like: 1517 * 1518 * dirtied harvested reset 1519 * 00 -----------> 01 -------------> 1X -------+ 1520 * ^ | 1521 * | | 1522 * +------------------------------------------+ 1523 * 1524 * The userspace program is only responsible for the 01->1X state 1525 * conversion after harvesting an entry. Also, it must not skip any 1526 * dirty bits, so that dirty bits are always harvested in sequence. 1527 */ 1528 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1529 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1530 #define KVM_DIRTY_GFN_F_MASK 0x3 1531 1532 /* 1533 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1534 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1535 * size of the gfn buffer is decided by the first argument when 1536 * enabling KVM_CAP_DIRTY_LOG_RING. 1537 */ 1538 struct kvm_dirty_gfn { 1539 __u32 flags; 1540 __u32 slot; 1541 __u64 offset; 1542 }; 1543 1544 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1545 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1546 1547 #define KVM_PMU_CAP_DISABLE (1 << 0) 1548 1549 /** 1550 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1551 * @flags: Some extra information for header, always 0 for now. 1552 * @name_size: The size in bytes of the memory which contains statistics 1553 * name string including trailing '\0'. The memory is allocated 1554 * at the send of statistics descriptor. 1555 * @num_desc: The number of statistics the vm or vcpu has. 1556 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1557 * by vm/vcpu stats fd. 1558 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1559 * pointd by vm/vcpu stats fd. 1560 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1561 * pointed by vm/vcpu stats fd. 1562 * 1563 * This is the header userspace needs to read from stats fd before any other 1564 * readings. It is used by userspace to discover all the information about the 1565 * vm/vcpu's binary statistics. 1566 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1567 */ 1568 struct kvm_stats_header { 1569 __u32 flags; 1570 __u32 name_size; 1571 __u32 num_desc; 1572 __u32 id_offset; 1573 __u32 desc_offset; 1574 __u32 data_offset; 1575 }; 1576 1577 #define KVM_STATS_TYPE_SHIFT 0 1578 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1579 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1580 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1581 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1582 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1583 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1584 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1585 1586 #define KVM_STATS_UNIT_SHIFT 4 1587 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1588 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1589 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1590 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1591 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1592 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1593 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1594 1595 #define KVM_STATS_BASE_SHIFT 8 1596 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1597 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1598 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1599 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1600 1601 /** 1602 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1603 * @flags: Annotations of the stats, like type, unit, etc. 1604 * @exponent: Used together with @flags to determine the unit. 1605 * @size: The number of data items for this stats. 1606 * Every data item is of type __u64. 1607 * @offset: The offset of the stats to the start of stat structure in 1608 * structure kvm or kvm_vcpu. 1609 * @bucket_size: A parameter value used for histogram stats. It is only used 1610 * for linear histogram stats, specifying the size of the bucket; 1611 * @name: The name string for the stats. Its size is indicated by the 1612 * &kvm_stats_header->name_size. 1613 */ 1614 struct kvm_stats_desc { 1615 __u32 flags; 1616 __s16 exponent; 1617 __u16 size; 1618 __u32 offset; 1619 __u32 bucket_size; 1620 #ifdef __KERNEL__ 1621 char name[KVM_STATS_NAME_SIZE]; 1622 #else 1623 __DECLARE_FLEX_ARRAY(char, name); 1624 #endif 1625 }; 1626 1627 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1628 1629 /* Available with KVM_CAP_XSAVE2 */ 1630 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1631 1632 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1633 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1634 1635 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1636 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1637 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1638 1639 /* Available with KVM_CAP_S390_ZPCI_OP */ 1640 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1641 1642 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1643 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1644 1645 struct kvm_memory_attributes { 1646 __u64 address; 1647 __u64 size; 1648 __u64 attributes; 1649 __u64 flags; 1650 }; 1651 1652 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1653 1654 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1655 #define GUEST_MEMFD_FLAG_MMAP (1ULL << 0) 1656 #define GUEST_MEMFD_FLAG_INIT_SHARED (1ULL << 1) 1657 1658 struct kvm_create_guest_memfd { 1659 __u64 size; 1660 __u64 flags; 1661 __u64 reserved[6]; 1662 }; 1663 1664 #define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory) 1665 1666 struct kvm_pre_fault_memory { 1667 __u64 gpa; 1668 __u64 size; 1669 __u64 flags; 1670 __u64 padding[5]; 1671 }; 1672 1673 #endif /* __LINUX_KVM_H */ 1674