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