1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* 20 * Backwards-compatible definitions. 21 */ 22 #define __KVM_HAVE_GUEST_DEBUG 23 24 /* for KVM_SET_USER_MEMORY_REGION */ 25 struct kvm_userspace_memory_region { 26 __u32 slot; 27 __u32 flags; 28 __u64 guest_phys_addr; 29 __u64 memory_size; /* bytes */ 30 __u64 userspace_addr; /* start of the userspace allocated memory */ 31 }; 32 33 /* for KVM_SET_USER_MEMORY_REGION2 */ 34 struct kvm_userspace_memory_region2 { 35 __u32 slot; 36 __u32 flags; 37 __u64 guest_phys_addr; 38 __u64 memory_size; 39 __u64 userspace_addr; 40 __u64 guest_memfd_offset; 41 __u32 guest_memfd; 42 __u32 pad1; 43 __u64 pad2[14]; 44 }; 45 46 /* 47 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 48 * userspace, other bits are reserved for kvm internal use which are defined 49 * in include/linux/kvm_host.h. 50 */ 51 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 52 #define KVM_MEM_READONLY (1UL << 1) 53 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 54 55 /* for KVM_IRQ_LINE */ 56 struct kvm_irq_level { 57 /* 58 * ACPI gsi notion of irq. 59 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 60 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 61 * For ARM: See Documentation/virt/kvm/api.rst 62 */ 63 union { 64 __u32 irq; 65 __s32 status; 66 }; 67 __u32 level; 68 }; 69 70 71 struct kvm_irqchip { 72 __u32 chip_id; 73 __u32 pad; 74 union { 75 char dummy[512]; /* reserving space */ 76 #ifdef __KVM_HAVE_PIT 77 struct kvm_pic_state pic; 78 #endif 79 #ifdef __KVM_HAVE_IOAPIC 80 struct kvm_ioapic_state ioapic; 81 #endif 82 } chip; 83 }; 84 85 /* for KVM_CREATE_PIT2 */ 86 struct kvm_pit_config { 87 __u32 flags; 88 __u32 pad[15]; 89 }; 90 91 #define KVM_PIT_SPEAKER_DUMMY 1 92 93 struct kvm_hyperv_exit { 94 #define KVM_EXIT_HYPERV_SYNIC 1 95 #define KVM_EXIT_HYPERV_HCALL 2 96 #define KVM_EXIT_HYPERV_SYNDBG 3 97 __u32 type; 98 __u32 pad1; 99 union { 100 struct { 101 __u32 msr; 102 __u32 pad2; 103 __u64 control; 104 __u64 evt_page; 105 __u64 msg_page; 106 } synic; 107 struct { 108 __u64 input; 109 __u64 result; 110 __u64 params[2]; 111 } hcall; 112 struct { 113 __u32 msr; 114 __u32 pad2; 115 __u64 control; 116 __u64 status; 117 __u64 send_page; 118 __u64 recv_page; 119 __u64 pending_page; 120 } syndbg; 121 } u; 122 }; 123 124 struct kvm_xen_exit { 125 #define KVM_EXIT_XEN_HCALL 1 126 __u32 type; 127 union { 128 struct { 129 __u32 longmode; 130 __u32 cpl; 131 __u64 input; 132 __u64 result; 133 __u64 params[6]; 134 } hcall; 135 } u; 136 }; 137 138 #define KVM_S390_GET_SKEYS_NONE 1 139 #define KVM_S390_SKEYS_MAX 1048576 140 141 #define KVM_EXIT_UNKNOWN 0 142 #define KVM_EXIT_EXCEPTION 1 143 #define KVM_EXIT_IO 2 144 #define KVM_EXIT_HYPERCALL 3 145 #define KVM_EXIT_DEBUG 4 146 #define KVM_EXIT_HLT 5 147 #define KVM_EXIT_MMIO 6 148 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 149 #define KVM_EXIT_SHUTDOWN 8 150 #define KVM_EXIT_FAIL_ENTRY 9 151 #define KVM_EXIT_INTR 10 152 #define KVM_EXIT_SET_TPR 11 153 #define KVM_EXIT_TPR_ACCESS 12 154 #define KVM_EXIT_S390_SIEIC 13 155 #define KVM_EXIT_S390_RESET 14 156 #define KVM_EXIT_DCR 15 /* deprecated */ 157 #define KVM_EXIT_NMI 16 158 #define KVM_EXIT_INTERNAL_ERROR 17 159 #define KVM_EXIT_OSI 18 160 #define KVM_EXIT_PAPR_HCALL 19 161 #define KVM_EXIT_S390_UCONTROL 20 162 #define KVM_EXIT_WATCHDOG 21 163 #define KVM_EXIT_S390_TSCH 22 164 #define KVM_EXIT_EPR 23 165 #define KVM_EXIT_SYSTEM_EVENT 24 166 #define KVM_EXIT_S390_STSI 25 167 #define KVM_EXIT_IOAPIC_EOI 26 168 #define KVM_EXIT_HYPERV 27 169 #define KVM_EXIT_ARM_NISV 28 170 #define KVM_EXIT_X86_RDMSR 29 171 #define KVM_EXIT_X86_WRMSR 30 172 #define KVM_EXIT_DIRTY_RING_FULL 31 173 #define KVM_EXIT_AP_RESET_HOLD 32 174 #define KVM_EXIT_X86_BUS_LOCK 33 175 #define KVM_EXIT_XEN 34 176 #define KVM_EXIT_RISCV_SBI 35 177 #define KVM_EXIT_RISCV_CSR 36 178 #define KVM_EXIT_NOTIFY 37 179 #define KVM_EXIT_LOONGARCH_IOCSR 38 180 #define KVM_EXIT_MEMORY_FAULT 39 181 182 /* 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 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 196 struct kvm_run { 197 /* in */ 198 __u8 request_interrupt_window; 199 __u8 immediate_exit; 200 __u8 padding1[6]; 201 202 /* out */ 203 __u32 exit_reason; 204 __u8 ready_for_interrupt_injection; 205 __u8 if_flag; 206 __u16 flags; 207 208 /* in (pre_kvm_run), out (post_kvm_run) */ 209 __u64 cr8; 210 __u64 apic_base; 211 212 #ifdef __KVM_S390 213 /* the processor status word for s390 */ 214 __u64 psw_mask; /* psw upper half */ 215 __u64 psw_addr; /* psw lower half */ 216 #endif 217 union { 218 /* KVM_EXIT_UNKNOWN */ 219 struct { 220 __u64 hardware_exit_reason; 221 } hw; 222 /* KVM_EXIT_FAIL_ENTRY */ 223 struct { 224 __u64 hardware_entry_failure_reason; 225 __u32 cpu; 226 } fail_entry; 227 /* KVM_EXIT_EXCEPTION */ 228 struct { 229 __u32 exception; 230 __u32 error_code; 231 } ex; 232 /* KVM_EXIT_IO */ 233 struct { 234 #define KVM_EXIT_IO_IN 0 235 #define KVM_EXIT_IO_OUT 1 236 __u8 direction; 237 __u8 size; /* bytes */ 238 __u16 port; 239 __u32 count; 240 __u64 data_offset; /* relative to kvm_run start */ 241 } io; 242 /* KVM_EXIT_DEBUG */ 243 struct { 244 struct kvm_debug_exit_arch arch; 245 } debug; 246 /* KVM_EXIT_MMIO */ 247 struct { 248 __u64 phys_addr; 249 __u8 data[8]; 250 __u32 len; 251 __u8 is_write; 252 } mmio; 253 /* KVM_EXIT_LOONGARCH_IOCSR */ 254 struct { 255 __u64 phys_addr; 256 __u8 data[8]; 257 __u32 len; 258 __u8 is_write; 259 } iocsr_io; 260 /* KVM_EXIT_HYPERCALL */ 261 struct { 262 __u64 nr; 263 __u64 args[6]; 264 __u64 ret; 265 266 union { 267 __u32 longmode; 268 __u64 flags; 269 }; 270 } hypercall; 271 /* KVM_EXIT_TPR_ACCESS */ 272 struct { 273 __u64 rip; 274 __u32 is_write; 275 __u32 pad; 276 } tpr_access; 277 /* KVM_EXIT_S390_SIEIC */ 278 struct { 279 __u8 icptcode; 280 __u16 ipa; 281 __u32 ipb; 282 } s390_sieic; 283 /* KVM_EXIT_S390_RESET */ 284 __u64 s390_reset_flags; 285 /* KVM_EXIT_S390_UCONTROL */ 286 struct { 287 __u64 trans_exc_code; 288 __u32 pgm_code; 289 } s390_ucontrol; 290 /* KVM_EXIT_DCR (deprecated) */ 291 struct { 292 __u32 dcrn; 293 __u32 data; 294 __u8 is_write; 295 } dcr; 296 /* KVM_EXIT_INTERNAL_ERROR */ 297 struct { 298 __u32 suberror; 299 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 300 __u32 ndata; 301 __u64 data[16]; 302 } internal; 303 /* 304 * KVM_INTERNAL_ERROR_EMULATION 305 * 306 * "struct emulation_failure" is an overlay of "struct internal" 307 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 308 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 309 * sub-types, this struct is ABI! It also needs to be backwards 310 * compatible with "struct internal". Take special care that 311 * "ndata" is correct, that new fields are enumerated in "flags", 312 * and that each flag enumerates fields that are 64-bit aligned 313 * and sized (so that ndata+internal.data[] is valid/accurate). 314 * 315 * Space beyond the defined fields may be used to store arbitrary 316 * debug information relating to the emulation failure. It is 317 * accounted for in "ndata" but the format is unspecified and is 318 * not represented in "flags". Any such information is *not* ABI! 319 */ 320 struct { 321 __u32 suberror; 322 __u32 ndata; 323 __u64 flags; 324 union { 325 struct { 326 __u8 insn_size; 327 __u8 insn_bytes[15]; 328 }; 329 }; 330 /* Arbitrary debug data may follow. */ 331 } emulation_failure; 332 /* KVM_EXIT_OSI */ 333 struct { 334 __u64 gprs[32]; 335 } osi; 336 /* KVM_EXIT_PAPR_HCALL */ 337 struct { 338 __u64 nr; 339 __u64 ret; 340 __u64 args[9]; 341 } papr_hcall; 342 /* KVM_EXIT_S390_TSCH */ 343 struct { 344 __u16 subchannel_id; 345 __u16 subchannel_nr; 346 __u32 io_int_parm; 347 __u32 io_int_word; 348 __u32 ipb; 349 __u8 dequeued; 350 } s390_tsch; 351 /* KVM_EXIT_EPR */ 352 struct { 353 __u32 epr; 354 } epr; 355 /* KVM_EXIT_SYSTEM_EVENT */ 356 struct { 357 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 358 #define KVM_SYSTEM_EVENT_RESET 2 359 #define KVM_SYSTEM_EVENT_CRASH 3 360 #define KVM_SYSTEM_EVENT_WAKEUP 4 361 #define KVM_SYSTEM_EVENT_SUSPEND 5 362 #define KVM_SYSTEM_EVENT_SEV_TERM 6 363 __u32 type; 364 __u32 ndata; 365 union { 366 __u64 flags; 367 __u64 data[16]; 368 }; 369 } system_event; 370 /* KVM_EXIT_S390_STSI */ 371 struct { 372 __u64 addr; 373 __u8 ar; 374 __u8 reserved; 375 __u8 fc; 376 __u8 sel1; 377 __u16 sel2; 378 } s390_stsi; 379 /* KVM_EXIT_IOAPIC_EOI */ 380 struct { 381 __u8 vector; 382 } eoi; 383 /* KVM_EXIT_HYPERV */ 384 struct kvm_hyperv_exit hyperv; 385 /* KVM_EXIT_ARM_NISV */ 386 struct { 387 __u64 esr_iss; 388 __u64 fault_ipa; 389 } arm_nisv; 390 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 391 struct { 392 __u8 error; /* user -> kernel */ 393 __u8 pad[7]; 394 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 395 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 396 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 397 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 398 KVM_MSR_EXIT_REASON_UNKNOWN | \ 399 KVM_MSR_EXIT_REASON_FILTER) 400 __u32 reason; /* kernel -> user */ 401 __u32 index; /* kernel -> user */ 402 __u64 data; /* kernel <-> user */ 403 } msr; 404 /* KVM_EXIT_XEN */ 405 struct kvm_xen_exit xen; 406 /* KVM_EXIT_RISCV_SBI */ 407 struct { 408 unsigned long extension_id; 409 unsigned long function_id; 410 unsigned long args[6]; 411 unsigned long ret[2]; 412 } riscv_sbi; 413 /* KVM_EXIT_RISCV_CSR */ 414 struct { 415 unsigned long csr_num; 416 unsigned long new_value; 417 unsigned long write_mask; 418 unsigned long ret_value; 419 } riscv_csr; 420 /* KVM_EXIT_NOTIFY */ 421 struct { 422 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 423 __u32 flags; 424 } notify; 425 /* KVM_EXIT_MEMORY_FAULT */ 426 struct { 427 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 428 __u64 flags; 429 __u64 gpa; 430 __u64 size; 431 } memory_fault; 432 /* Fix the size of the union. */ 433 char padding[256]; 434 }; 435 436 /* 2048 is the size of the char array used to bound/pad the size 437 * of the union that holds sync regs. 438 */ 439 #define SYNC_REGS_SIZE_BYTES 2048 440 /* 441 * shared registers between kvm and userspace. 442 * kvm_valid_regs specifies the register classes set by the host 443 * kvm_dirty_regs specified the register classes dirtied by userspace 444 * struct kvm_sync_regs is architecture specific, as well as the 445 * bits for kvm_valid_regs and kvm_dirty_regs 446 */ 447 __u64 kvm_valid_regs; 448 __u64 kvm_dirty_regs; 449 union { 450 struct kvm_sync_regs regs; 451 char padding[SYNC_REGS_SIZE_BYTES]; 452 } s; 453 }; 454 455 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 456 457 struct kvm_coalesced_mmio_zone { 458 __u64 addr; 459 __u32 size; 460 union { 461 __u32 pad; 462 __u32 pio; 463 }; 464 }; 465 466 struct kvm_coalesced_mmio { 467 __u64 phys_addr; 468 __u32 len; 469 union { 470 __u32 pad; 471 __u32 pio; 472 }; 473 __u8 data[8]; 474 }; 475 476 struct kvm_coalesced_mmio_ring { 477 __u32 first, last; 478 struct kvm_coalesced_mmio coalesced_mmio[]; 479 }; 480 481 #define KVM_COALESCED_MMIO_MAX \ 482 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 483 sizeof(struct kvm_coalesced_mmio)) 484 485 /* for KVM_TRANSLATE */ 486 struct kvm_translation { 487 /* in */ 488 __u64 linear_address; 489 490 /* out */ 491 __u64 physical_address; 492 __u8 valid; 493 __u8 writeable; 494 __u8 usermode; 495 __u8 pad[5]; 496 }; 497 498 /* for KVM_INTERRUPT */ 499 struct kvm_interrupt { 500 /* in */ 501 __u32 irq; 502 }; 503 504 /* for KVM_GET_DIRTY_LOG */ 505 struct kvm_dirty_log { 506 __u32 slot; 507 __u32 padding1; 508 union { 509 void *dirty_bitmap; /* one bit per page */ 510 __u64 padding2; 511 }; 512 }; 513 514 /* for KVM_CLEAR_DIRTY_LOG */ 515 struct kvm_clear_dirty_log { 516 __u32 slot; 517 __u32 num_pages; 518 __u64 first_page; 519 union { 520 void *dirty_bitmap; /* one bit per page */ 521 __u64 padding2; 522 }; 523 }; 524 525 /* for KVM_SET_SIGNAL_MASK */ 526 struct kvm_signal_mask { 527 __u32 len; 528 __u8 sigset[]; 529 }; 530 531 /* for KVM_TPR_ACCESS_REPORTING */ 532 struct kvm_tpr_access_ctl { 533 __u32 enabled; 534 __u32 flags; 535 __u32 reserved[8]; 536 }; 537 538 /* for KVM_SET_VAPIC_ADDR */ 539 struct kvm_vapic_addr { 540 __u64 vapic_addr; 541 }; 542 543 /* for KVM_SET_MP_STATE */ 544 545 /* not all states are valid on all architectures */ 546 #define KVM_MP_STATE_RUNNABLE 0 547 #define KVM_MP_STATE_UNINITIALIZED 1 548 #define KVM_MP_STATE_INIT_RECEIVED 2 549 #define KVM_MP_STATE_HALTED 3 550 #define KVM_MP_STATE_SIPI_RECEIVED 4 551 #define KVM_MP_STATE_STOPPED 5 552 #define KVM_MP_STATE_CHECK_STOP 6 553 #define KVM_MP_STATE_OPERATING 7 554 #define KVM_MP_STATE_LOAD 8 555 #define KVM_MP_STATE_AP_RESET_HOLD 9 556 #define KVM_MP_STATE_SUSPENDED 10 557 558 struct kvm_mp_state { 559 __u32 mp_state; 560 }; 561 562 /* for KVM_SET_GUEST_DEBUG */ 563 564 #define KVM_GUESTDBG_ENABLE 0x00000001 565 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 566 567 struct kvm_guest_debug { 568 __u32 control; 569 __u32 pad; 570 struct kvm_guest_debug_arch arch; 571 }; 572 573 enum { 574 kvm_ioeventfd_flag_nr_datamatch, 575 kvm_ioeventfd_flag_nr_pio, 576 kvm_ioeventfd_flag_nr_deassign, 577 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 578 kvm_ioeventfd_flag_nr_fast_mmio, 579 kvm_ioeventfd_flag_nr_max, 580 }; 581 582 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 583 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 584 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 585 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 586 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 587 588 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 589 590 struct kvm_ioeventfd { 591 __u64 datamatch; 592 __u64 addr; /* legal pio/mmio address */ 593 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 594 __s32 fd; 595 __u32 flags; 596 __u8 pad[36]; 597 }; 598 599 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 600 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 601 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 602 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 603 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 604 KVM_X86_DISABLE_EXITS_HLT | \ 605 KVM_X86_DISABLE_EXITS_PAUSE | \ 606 KVM_X86_DISABLE_EXITS_CSTATE) 607 608 /* for KVM_ENABLE_CAP */ 609 struct kvm_enable_cap { 610 /* in */ 611 __u32 cap; 612 __u32 flags; 613 __u64 args[4]; 614 __u8 pad[64]; 615 }; 616 617 #define KVMIO 0xAE 618 619 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 620 #define KVM_VM_S390_UCONTROL 1 621 622 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 623 #define KVM_VM_PPC_HV 1 624 #define KVM_VM_PPC_PR 2 625 626 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 627 #define KVM_VM_MIPS_AUTO 0 628 #define KVM_VM_MIPS_VZ 1 629 #define KVM_VM_MIPS_TE 2 630 631 #define KVM_S390_SIE_PAGE_OFFSET 1 632 633 /* 634 * On arm64, machine type can be used to request the physical 635 * address size for the VM. Bits[7-0] are reserved for the guest 636 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 637 * value 0 implies the default IPA size, 40bits. 638 */ 639 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 640 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 641 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 642 /* 643 * ioctls for /dev/kvm fds: 644 */ 645 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 646 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 647 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 648 649 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 650 /* 651 * Check if a kvm extension is available. Argument is extension number, 652 * return is 1 (yes) or 0 (no, sorry). 653 */ 654 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 655 /* 656 * Get size for mmap(vcpu_fd) 657 */ 658 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 659 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 660 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 661 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 662 663 /* 664 * Extension capability list. 665 */ 666 #define KVM_CAP_IRQCHIP 0 667 #define KVM_CAP_HLT 1 668 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 669 #define KVM_CAP_USER_MEMORY 3 670 #define KVM_CAP_SET_TSS_ADDR 4 671 #define KVM_CAP_VAPIC 6 672 #define KVM_CAP_EXT_CPUID 7 673 #define KVM_CAP_CLOCKSOURCE 8 674 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 675 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 676 #define KVM_CAP_PIT 11 677 #define KVM_CAP_NOP_IO_DELAY 12 678 #define KVM_CAP_PV_MMU 13 679 #define KVM_CAP_MP_STATE 14 680 #define KVM_CAP_COALESCED_MMIO 15 681 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 682 #define KVM_CAP_IOMMU 18 683 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 684 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 685 #define KVM_CAP_USER_NMI 22 686 #define KVM_CAP_SET_GUEST_DEBUG 23 687 #ifdef __KVM_HAVE_PIT 688 #define KVM_CAP_REINJECT_CONTROL 24 689 #endif 690 #define KVM_CAP_IRQ_ROUTING 25 691 #define KVM_CAP_IRQ_INJECT_STATUS 26 692 #define KVM_CAP_ASSIGN_DEV_IRQ 29 693 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 694 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 695 #ifdef __KVM_HAVE_MCE 696 #define KVM_CAP_MCE 31 697 #endif 698 #define KVM_CAP_IRQFD 32 699 #ifdef __KVM_HAVE_PIT 700 #define KVM_CAP_PIT2 33 701 #endif 702 #define KVM_CAP_SET_BOOT_CPU_ID 34 703 #ifdef __KVM_HAVE_PIT_STATE2 704 #define KVM_CAP_PIT_STATE2 35 705 #endif 706 #define KVM_CAP_IOEVENTFD 36 707 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 708 #ifdef __KVM_HAVE_XEN_HVM 709 #define KVM_CAP_XEN_HVM 38 710 #endif 711 #define KVM_CAP_ADJUST_CLOCK 39 712 #define KVM_CAP_INTERNAL_ERROR_DATA 40 713 #ifdef __KVM_HAVE_VCPU_EVENTS 714 #define KVM_CAP_VCPU_EVENTS 41 715 #endif 716 #define KVM_CAP_S390_PSW 42 717 #define KVM_CAP_PPC_SEGSTATE 43 718 #define KVM_CAP_HYPERV 44 719 #define KVM_CAP_HYPERV_VAPIC 45 720 #define KVM_CAP_HYPERV_SPIN 46 721 #define KVM_CAP_PCI_SEGMENT 47 722 #define KVM_CAP_PPC_PAIRED_SINGLES 48 723 #define KVM_CAP_INTR_SHADOW 49 724 #ifdef __KVM_HAVE_DEBUGREGS 725 #define KVM_CAP_DEBUGREGS 50 726 #endif 727 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 728 #define KVM_CAP_PPC_OSI 52 729 #define KVM_CAP_PPC_UNSET_IRQ 53 730 #define KVM_CAP_ENABLE_CAP 54 731 #ifdef __KVM_HAVE_XSAVE 732 #define KVM_CAP_XSAVE 55 733 #endif 734 #ifdef __KVM_HAVE_XCRS 735 #define KVM_CAP_XCRS 56 736 #endif 737 #define KVM_CAP_PPC_GET_PVINFO 57 738 #define KVM_CAP_PPC_IRQ_LEVEL 58 739 #define KVM_CAP_ASYNC_PF 59 740 #define KVM_CAP_TSC_CONTROL 60 741 #define KVM_CAP_GET_TSC_KHZ 61 742 #define KVM_CAP_PPC_BOOKE_SREGS 62 743 #define KVM_CAP_SPAPR_TCE 63 744 #define KVM_CAP_PPC_SMT 64 745 #define KVM_CAP_PPC_RMA 65 746 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 747 #define KVM_CAP_PPC_HIOR 67 748 #define KVM_CAP_PPC_PAPR 68 749 #define KVM_CAP_SW_TLB 69 750 #define KVM_CAP_ONE_REG 70 751 #define KVM_CAP_S390_GMAP 71 752 #define KVM_CAP_TSC_DEADLINE_TIMER 72 753 #define KVM_CAP_S390_UCONTROL 73 754 #define KVM_CAP_SYNC_REGS 74 755 #define KVM_CAP_PCI_2_3 75 756 #define KVM_CAP_KVMCLOCK_CTRL 76 757 #define KVM_CAP_SIGNAL_MSI 77 758 #define KVM_CAP_PPC_GET_SMMU_INFO 78 759 #define KVM_CAP_S390_COW 79 760 #define KVM_CAP_PPC_ALLOC_HTAB 80 761 #define KVM_CAP_READONLY_MEM 81 762 #define KVM_CAP_IRQFD_RESAMPLE 82 763 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 764 #define KVM_CAP_PPC_HTAB_FD 84 765 #define KVM_CAP_S390_CSS_SUPPORT 85 766 #define KVM_CAP_PPC_EPR 86 767 #define KVM_CAP_ARM_PSCI 87 768 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 769 #define KVM_CAP_DEVICE_CTRL 89 770 #define KVM_CAP_IRQ_MPIC 90 771 #define KVM_CAP_PPC_RTAS 91 772 #define KVM_CAP_IRQ_XICS 92 773 #define KVM_CAP_ARM_EL1_32BIT 93 774 #define KVM_CAP_SPAPR_MULTITCE 94 775 #define KVM_CAP_EXT_EMUL_CPUID 95 776 #define KVM_CAP_HYPERV_TIME 96 777 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 778 #define KVM_CAP_ENABLE_CAP_VM 98 779 #define KVM_CAP_S390_IRQCHIP 99 780 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 781 #define KVM_CAP_VM_ATTRIBUTES 101 782 #define KVM_CAP_ARM_PSCI_0_2 102 783 #define KVM_CAP_PPC_FIXUP_HCALL 103 784 #define KVM_CAP_PPC_ENABLE_HCALL 104 785 #define KVM_CAP_CHECK_EXTENSION_VM 105 786 #define KVM_CAP_S390_USER_SIGP 106 787 #define KVM_CAP_S390_VECTOR_REGISTERS 107 788 #define KVM_CAP_S390_MEM_OP 108 789 #define KVM_CAP_S390_USER_STSI 109 790 #define KVM_CAP_S390_SKEYS 110 791 #define KVM_CAP_MIPS_FPU 111 792 #define KVM_CAP_MIPS_MSA 112 793 #define KVM_CAP_S390_INJECT_IRQ 113 794 #define KVM_CAP_S390_IRQ_STATE 114 795 #define KVM_CAP_PPC_HWRNG 115 796 #define KVM_CAP_DISABLE_QUIRKS 116 797 #define KVM_CAP_X86_SMM 117 798 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 799 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 800 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 801 #define KVM_CAP_SPLIT_IRQCHIP 121 802 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 803 #define KVM_CAP_HYPERV_SYNIC 123 804 #define KVM_CAP_S390_RI 124 805 #define KVM_CAP_SPAPR_TCE_64 125 806 #define KVM_CAP_ARM_PMU_V3 126 807 #define KVM_CAP_VCPU_ATTRIBUTES 127 808 #define KVM_CAP_MAX_VCPU_ID 128 809 #define KVM_CAP_X2APIC_API 129 810 #define KVM_CAP_S390_USER_INSTR0 130 811 #define KVM_CAP_MSI_DEVID 131 812 #define KVM_CAP_PPC_HTM 132 813 #define KVM_CAP_SPAPR_RESIZE_HPT 133 814 #define KVM_CAP_PPC_MMU_RADIX 134 815 #define KVM_CAP_PPC_MMU_HASH_V3 135 816 #define KVM_CAP_IMMEDIATE_EXIT 136 817 #define KVM_CAP_MIPS_VZ 137 818 #define KVM_CAP_MIPS_TE 138 819 #define KVM_CAP_MIPS_64BIT 139 820 #define KVM_CAP_S390_GS 140 821 #define KVM_CAP_S390_AIS 141 822 #define KVM_CAP_SPAPR_TCE_VFIO 142 823 #define KVM_CAP_X86_DISABLE_EXITS 143 824 #define KVM_CAP_ARM_USER_IRQ 144 825 #define KVM_CAP_S390_CMMA_MIGRATION 145 826 #define KVM_CAP_PPC_FWNMI 146 827 #define KVM_CAP_PPC_SMT_POSSIBLE 147 828 #define KVM_CAP_HYPERV_SYNIC2 148 829 #define KVM_CAP_HYPERV_VP_INDEX 149 830 #define KVM_CAP_S390_AIS_MIGRATION 150 831 #define KVM_CAP_PPC_GET_CPU_CHAR 151 832 #define KVM_CAP_S390_BPB 152 833 #define KVM_CAP_GET_MSR_FEATURES 153 834 #define KVM_CAP_HYPERV_EVENTFD 154 835 #define KVM_CAP_HYPERV_TLBFLUSH 155 836 #define KVM_CAP_S390_HPAGE_1M 156 837 #define KVM_CAP_NESTED_STATE 157 838 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 839 #define KVM_CAP_MSR_PLATFORM_INFO 159 840 #define KVM_CAP_PPC_NESTED_HV 160 841 #define KVM_CAP_HYPERV_SEND_IPI 161 842 #define KVM_CAP_COALESCED_PIO 162 843 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 844 #define KVM_CAP_EXCEPTION_PAYLOAD 164 845 #define KVM_CAP_ARM_VM_IPA_SIZE 165 846 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 847 #define KVM_CAP_HYPERV_CPUID 167 848 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 849 #define KVM_CAP_PPC_IRQ_XIVE 169 850 #define KVM_CAP_ARM_SVE 170 851 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 852 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 853 #define KVM_CAP_PMU_EVENT_FILTER 173 854 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 855 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 856 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 857 #define KVM_CAP_ARM_NISV_TO_USER 177 858 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 859 #define KVM_CAP_S390_VCPU_RESETS 179 860 #define KVM_CAP_S390_PROTECTED 180 861 #define KVM_CAP_PPC_SECURE_GUEST 181 862 #define KVM_CAP_HALT_POLL 182 863 #define KVM_CAP_ASYNC_PF_INT 183 864 #define KVM_CAP_LAST_CPU 184 865 #define KVM_CAP_SMALLER_MAXPHYADDR 185 866 #define KVM_CAP_S390_DIAG318 186 867 #define KVM_CAP_STEAL_TIME 187 868 #define KVM_CAP_X86_USER_SPACE_MSR 188 869 #define KVM_CAP_X86_MSR_FILTER 189 870 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 871 #define KVM_CAP_SYS_HYPERV_CPUID 191 872 #define KVM_CAP_DIRTY_LOG_RING 192 873 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 874 #define KVM_CAP_PPC_DAWR1 194 875 #define KVM_CAP_SET_GUEST_DEBUG2 195 876 #define KVM_CAP_SGX_ATTRIBUTE 196 877 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 878 #define KVM_CAP_PTP_KVM 198 879 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 880 #define KVM_CAP_SREGS2 200 881 #define KVM_CAP_EXIT_HYPERCALL 201 882 #define KVM_CAP_PPC_RPT_INVALIDATE 202 883 #define KVM_CAP_BINARY_STATS_FD 203 884 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 885 #define KVM_CAP_ARM_MTE 205 886 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 887 #define KVM_CAP_VM_GPA_BITS 207 888 #define KVM_CAP_XSAVE2 208 889 #define KVM_CAP_SYS_ATTRIBUTES 209 890 #define KVM_CAP_PPC_AIL_MODE_3 210 891 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 892 #define KVM_CAP_PMU_CAPABILITY 212 893 #define KVM_CAP_DISABLE_QUIRKS2 213 894 #define KVM_CAP_VM_TSC_CONTROL 214 895 #define KVM_CAP_SYSTEM_EVENT_DATA 215 896 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 897 #define KVM_CAP_S390_PROTECTED_DUMP 217 898 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 899 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 900 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 901 #define KVM_CAP_S390_ZPCI_OP 221 902 #define KVM_CAP_S390_CPU_TOPOLOGY 222 903 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 904 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 905 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 906 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 907 #define KVM_CAP_COUNTER_OFFSET 227 908 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 909 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 910 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 911 #define KVM_CAP_USER_MEMORY2 231 912 #define KVM_CAP_MEMORY_FAULT_INFO 232 913 #define KVM_CAP_MEMORY_ATTRIBUTES 233 914 #define KVM_CAP_GUEST_MEMFD 234 915 #define KVM_CAP_VM_TYPES 235 916 917 struct kvm_irq_routing_irqchip { 918 __u32 irqchip; 919 __u32 pin; 920 }; 921 922 struct kvm_irq_routing_msi { 923 __u32 address_lo; 924 __u32 address_hi; 925 __u32 data; 926 union { 927 __u32 pad; 928 __u32 devid; 929 }; 930 }; 931 932 struct kvm_irq_routing_s390_adapter { 933 __u64 ind_addr; 934 __u64 summary_addr; 935 __u64 ind_offset; 936 __u32 summary_offset; 937 __u32 adapter_id; 938 }; 939 940 struct kvm_irq_routing_hv_sint { 941 __u32 vcpu; 942 __u32 sint; 943 }; 944 945 struct kvm_irq_routing_xen_evtchn { 946 __u32 port; 947 __u32 vcpu; 948 __u32 priority; 949 }; 950 951 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 952 953 /* gsi routing entry types */ 954 #define KVM_IRQ_ROUTING_IRQCHIP 1 955 #define KVM_IRQ_ROUTING_MSI 2 956 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 957 #define KVM_IRQ_ROUTING_HV_SINT 4 958 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 959 960 struct kvm_irq_routing_entry { 961 __u32 gsi; 962 __u32 type; 963 __u32 flags; 964 __u32 pad; 965 union { 966 struct kvm_irq_routing_irqchip irqchip; 967 struct kvm_irq_routing_msi msi; 968 struct kvm_irq_routing_s390_adapter adapter; 969 struct kvm_irq_routing_hv_sint hv_sint; 970 struct kvm_irq_routing_xen_evtchn xen_evtchn; 971 __u32 pad[8]; 972 } u; 973 }; 974 975 struct kvm_irq_routing { 976 __u32 nr; 977 __u32 flags; 978 struct kvm_irq_routing_entry entries[]; 979 }; 980 981 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 982 /* 983 * Available with KVM_CAP_IRQFD_RESAMPLE 984 * 985 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 986 * the irqfd to operate in resampling mode for level triggered interrupt 987 * emulation. See Documentation/virt/kvm/api.rst. 988 */ 989 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 990 991 struct kvm_irqfd { 992 __u32 fd; 993 __u32 gsi; 994 __u32 flags; 995 __u32 resamplefd; 996 __u8 pad[16]; 997 }; 998 999 /* For KVM_CAP_ADJUST_CLOCK */ 1000 1001 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1002 #define KVM_CLOCK_TSC_STABLE 2 1003 #define KVM_CLOCK_REALTIME (1 << 2) 1004 #define KVM_CLOCK_HOST_TSC (1 << 3) 1005 1006 struct kvm_clock_data { 1007 __u64 clock; 1008 __u32 flags; 1009 __u32 pad0; 1010 __u64 realtime; 1011 __u64 host_tsc; 1012 __u32 pad[4]; 1013 }; 1014 1015 /* For KVM_CAP_SW_TLB */ 1016 1017 #define KVM_MMU_FSL_BOOKE_NOHV 0 1018 #define KVM_MMU_FSL_BOOKE_HV 1 1019 1020 struct kvm_config_tlb { 1021 __u64 params; 1022 __u64 array; 1023 __u32 mmu_type; 1024 __u32 array_len; 1025 }; 1026 1027 struct kvm_dirty_tlb { 1028 __u64 bitmap; 1029 __u32 num_dirty; 1030 }; 1031 1032 /* Available with KVM_CAP_ONE_REG */ 1033 1034 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1035 #define KVM_REG_GENERIC 0x0000000000000000ULL 1036 1037 /* 1038 * Architecture specific registers are to be defined in arch headers and 1039 * ORed with the arch identifier. 1040 */ 1041 #define KVM_REG_PPC 0x1000000000000000ULL 1042 #define KVM_REG_X86 0x2000000000000000ULL 1043 #define KVM_REG_IA64 0x3000000000000000ULL 1044 #define KVM_REG_ARM 0x4000000000000000ULL 1045 #define KVM_REG_S390 0x5000000000000000ULL 1046 #define KVM_REG_ARM64 0x6000000000000000ULL 1047 #define KVM_REG_MIPS 0x7000000000000000ULL 1048 #define KVM_REG_RISCV 0x8000000000000000ULL 1049 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1050 1051 #define KVM_REG_SIZE_SHIFT 52 1052 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1053 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1054 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1055 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1056 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1057 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1058 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1059 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1060 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1061 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1062 1063 struct kvm_reg_list { 1064 __u64 n; /* number of regs */ 1065 __u64 reg[]; 1066 }; 1067 1068 struct kvm_one_reg { 1069 __u64 id; 1070 __u64 addr; 1071 }; 1072 1073 #define KVM_MSI_VALID_DEVID (1U << 0) 1074 struct kvm_msi { 1075 __u32 address_lo; 1076 __u32 address_hi; 1077 __u32 data; 1078 __u32 flags; 1079 __u32 devid; 1080 __u8 pad[12]; 1081 }; 1082 1083 struct kvm_arm_device_addr { 1084 __u64 id; 1085 __u64 addr; 1086 }; 1087 1088 /* 1089 * Device control API, available with KVM_CAP_DEVICE_CTRL 1090 */ 1091 #define KVM_CREATE_DEVICE_TEST 1 1092 1093 struct kvm_create_device { 1094 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1095 __u32 fd; /* out: device handle */ 1096 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1097 }; 1098 1099 struct kvm_device_attr { 1100 __u32 flags; /* no flags currently defined */ 1101 __u32 group; /* device-defined */ 1102 __u64 attr; /* group-defined */ 1103 __u64 addr; /* userspace address of attr data */ 1104 }; 1105 1106 #define KVM_DEV_VFIO_FILE 1 1107 1108 #define KVM_DEV_VFIO_FILE_ADD 1 1109 #define KVM_DEV_VFIO_FILE_DEL 2 1110 1111 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1112 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1113 1114 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1115 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1116 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1117 1118 enum kvm_device_type { 1119 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1120 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1121 KVM_DEV_TYPE_FSL_MPIC_42, 1122 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1123 KVM_DEV_TYPE_XICS, 1124 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1125 KVM_DEV_TYPE_VFIO, 1126 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1127 KVM_DEV_TYPE_ARM_VGIC_V2, 1128 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1129 KVM_DEV_TYPE_FLIC, 1130 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1131 KVM_DEV_TYPE_ARM_VGIC_V3, 1132 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1133 KVM_DEV_TYPE_ARM_VGIC_ITS, 1134 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1135 KVM_DEV_TYPE_XIVE, 1136 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1137 KVM_DEV_TYPE_ARM_PV_TIME, 1138 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1139 KVM_DEV_TYPE_RISCV_AIA, 1140 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1141 KVM_DEV_TYPE_MAX, 1142 }; 1143 1144 struct kvm_vfio_spapr_tce { 1145 __s32 groupfd; 1146 __s32 tablefd; 1147 }; 1148 1149 /* 1150 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1151 * a vcpu fd. 1152 */ 1153 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1154 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1155 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1156 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1157 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1158 struct kvm_userspace_memory_region) 1159 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1160 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1161 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1162 struct kvm_userspace_memory_region2) 1163 1164 /* enable ucontrol for s390 */ 1165 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1166 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1167 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1168 1169 /* Device model IOC */ 1170 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1171 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1172 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1173 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1174 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1175 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1176 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1177 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1178 #define KVM_REGISTER_COALESCED_MMIO \ 1179 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1180 #define KVM_UNREGISTER_COALESCED_MMIO \ 1181 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1182 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1183 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1184 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1185 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1186 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1187 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1188 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1189 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1190 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1191 /* Available with KVM_CAP_PIT_STATE2 */ 1192 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1193 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1194 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1195 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1196 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1197 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1198 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1199 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1200 /* Available with KVM_CAP_SIGNAL_MSI */ 1201 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1202 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1203 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1204 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1205 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1206 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1207 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1208 struct kvm_create_spapr_tce_64) 1209 /* Available with KVM_CAP_RMA */ 1210 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1211 /* Available with KVM_CAP_PPC_HTAB_FD */ 1212 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1213 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1214 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1215 /* Available with KVM_CAP_PPC_RTAS */ 1216 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1217 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1218 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1219 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1220 /* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */ 1221 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1222 /* Available with KVM_CAP_PPC_MMU_RADIX */ 1223 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1224 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1225 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1226 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1227 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1228 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1229 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1230 /* Available with KVM_CAP_COUNTER_OFFSET */ 1231 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1232 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1233 1234 /* ioctl for vm fd */ 1235 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1236 1237 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1238 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1239 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1240 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1241 1242 /* 1243 * ioctls for vcpu fds 1244 */ 1245 #define KVM_RUN _IO(KVMIO, 0x80) 1246 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1247 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1248 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1249 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1250 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1251 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1252 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1253 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1254 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1255 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1256 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1257 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1258 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1259 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1260 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1261 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1262 /* Available with KVM_CAP_VAPIC */ 1263 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1264 /* Available with KVM_CAP_VAPIC */ 1265 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1266 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1267 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1268 /* store status for s390 */ 1269 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1270 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1271 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1272 /* initial ipl psw for s390 */ 1273 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1274 /* initial reset for s390 */ 1275 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1276 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1277 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1278 /* Available with KVM_CAP_USER_NMI */ 1279 #define KVM_NMI _IO(KVMIO, 0x9a) 1280 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1281 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1282 /* MCE for x86 */ 1283 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1284 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1285 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1286 /* Available with KVM_CAP_VCPU_EVENTS */ 1287 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1288 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1289 /* Available with KVM_CAP_DEBUGREGS */ 1290 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1291 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1292 /* 1293 * vcpu version available with KVM_CAP_ENABLE_CAP 1294 * vm version available with KVM_CAP_ENABLE_CAP_VM 1295 */ 1296 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1297 /* Available with KVM_CAP_XSAVE */ 1298 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1299 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1300 /* Available with KVM_CAP_XCRS */ 1301 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1302 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1303 /* Available with KVM_CAP_SW_TLB */ 1304 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1305 /* Available with KVM_CAP_ONE_REG */ 1306 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1307 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1308 /* VM is being stopped by host */ 1309 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1310 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1311 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1312 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1313 /* Available with KVM_CAP_S390_MEM_OP */ 1314 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1315 /* Available with KVM_CAP_S390_SKEYS */ 1316 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1317 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1318 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1319 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1320 /* Available with KVM_CAP_S390_IRQ_STATE */ 1321 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1322 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1323 /* Available with KVM_CAP_X86_SMM */ 1324 #define KVM_SMI _IO(KVMIO, 0xb7) 1325 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1326 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1327 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1328 /* Memory Encryption Commands */ 1329 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1330 1331 struct kvm_enc_region { 1332 __u64 addr; 1333 __u64 size; 1334 }; 1335 1336 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1337 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1338 1339 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1340 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1341 1342 /* Available with KVM_CAP_NESTED_STATE */ 1343 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1344 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1345 1346 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1347 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1348 1349 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1350 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1351 1352 /* Available with KVM_CAP_ARM_SVE */ 1353 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1354 1355 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1356 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1357 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1358 1359 /* Available with KVM_CAP_S390_PROTECTED */ 1360 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1361 1362 /* Available with KVM_CAP_X86_MSR_FILTER */ 1363 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1364 1365 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1366 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1367 1368 /* Per-VM Xen attributes */ 1369 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1370 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1371 1372 /* Per-vCPU Xen attributes */ 1373 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1374 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1375 1376 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1377 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1378 1379 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1380 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1381 1382 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1383 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1384 1385 /* 1386 * Arch needs to define the macro after implementing the dirty ring 1387 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1388 * starting page offset of the dirty ring structures. 1389 */ 1390 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1391 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1392 #endif 1393 1394 /* 1395 * KVM dirty GFN flags, defined as: 1396 * 1397 * |---------------+---------------+--------------| 1398 * | bit 1 (reset) | bit 0 (dirty) | Status | 1399 * |---------------+---------------+--------------| 1400 * | 0 | 0 | Invalid GFN | 1401 * | 0 | 1 | Dirty GFN | 1402 * | 1 | X | GFN to reset | 1403 * |---------------+---------------+--------------| 1404 * 1405 * Lifecycle of a dirty GFN goes like: 1406 * 1407 * dirtied harvested reset 1408 * 00 -----------> 01 -------------> 1X -------+ 1409 * ^ | 1410 * | | 1411 * +------------------------------------------+ 1412 * 1413 * The userspace program is only responsible for the 01->1X state 1414 * conversion after harvesting an entry. Also, it must not skip any 1415 * dirty bits, so that dirty bits are always harvested in sequence. 1416 */ 1417 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1418 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1419 #define KVM_DIRTY_GFN_F_MASK 0x3 1420 1421 /* 1422 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1423 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1424 * size of the gfn buffer is decided by the first argument when 1425 * enabling KVM_CAP_DIRTY_LOG_RING. 1426 */ 1427 struct kvm_dirty_gfn { 1428 __u32 flags; 1429 __u32 slot; 1430 __u64 offset; 1431 }; 1432 1433 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1434 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1435 1436 #define KVM_PMU_CAP_DISABLE (1 << 0) 1437 1438 /** 1439 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1440 * @flags: Some extra information for header, always 0 for now. 1441 * @name_size: The size in bytes of the memory which contains statistics 1442 * name string including trailing '\0'. The memory is allocated 1443 * at the send of statistics descriptor. 1444 * @num_desc: The number of statistics the vm or vcpu has. 1445 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1446 * by vm/vcpu stats fd. 1447 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1448 * pointd by vm/vcpu stats fd. 1449 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1450 * pointed by vm/vcpu stats fd. 1451 * 1452 * This is the header userspace needs to read from stats fd before any other 1453 * readings. It is used by userspace to discover all the information about the 1454 * vm/vcpu's binary statistics. 1455 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1456 */ 1457 struct kvm_stats_header { 1458 __u32 flags; 1459 __u32 name_size; 1460 __u32 num_desc; 1461 __u32 id_offset; 1462 __u32 desc_offset; 1463 __u32 data_offset; 1464 }; 1465 1466 #define KVM_STATS_TYPE_SHIFT 0 1467 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1468 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1469 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1470 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1471 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1472 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1473 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1474 1475 #define KVM_STATS_UNIT_SHIFT 4 1476 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1477 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1478 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1479 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1480 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1481 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1482 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1483 1484 #define KVM_STATS_BASE_SHIFT 8 1485 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1486 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1487 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1488 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1489 1490 /** 1491 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1492 * @flags: Annotations of the stats, like type, unit, etc. 1493 * @exponent: Used together with @flags to determine the unit. 1494 * @size: The number of data items for this stats. 1495 * Every data item is of type __u64. 1496 * @offset: The offset of the stats to the start of stat structure in 1497 * structure kvm or kvm_vcpu. 1498 * @bucket_size: A parameter value used for histogram stats. It is only used 1499 * for linear histogram stats, specifying the size of the bucket; 1500 * @name: The name string for the stats. Its size is indicated by the 1501 * &kvm_stats_header->name_size. 1502 */ 1503 struct kvm_stats_desc { 1504 __u32 flags; 1505 __s16 exponent; 1506 __u16 size; 1507 __u32 offset; 1508 __u32 bucket_size; 1509 char name[]; 1510 }; 1511 1512 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1513 1514 /* Available with KVM_CAP_XSAVE2 */ 1515 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1516 1517 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1518 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1519 1520 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1521 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1522 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1523 1524 /* Available with KVM_CAP_S390_ZPCI_OP */ 1525 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1526 1527 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1528 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1529 1530 struct kvm_memory_attributes { 1531 __u64 address; 1532 __u64 size; 1533 __u64 attributes; 1534 __u64 flags; 1535 }; 1536 1537 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1538 1539 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1540 1541 struct kvm_create_guest_memfd { 1542 __u64 size; 1543 __u64 flags; 1544 __u64 reserved[6]; 1545 }; 1546 1547 #endif /* __LINUX_KVM_H */ 1548