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 /* 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 #ifndef __KERNEL__ 268 __u32 longmode; 269 #endif 270 __u64 flags; 271 }; 272 } hypercall; 273 /* KVM_EXIT_TPR_ACCESS */ 274 struct { 275 __u64 rip; 276 __u32 is_write; 277 __u32 pad; 278 } tpr_access; 279 /* KVM_EXIT_S390_SIEIC */ 280 struct { 281 __u8 icptcode; 282 __u16 ipa; 283 __u32 ipb; 284 } s390_sieic; 285 /* KVM_EXIT_S390_RESET */ 286 __u64 s390_reset_flags; 287 /* KVM_EXIT_S390_UCONTROL */ 288 struct { 289 __u64 trans_exc_code; 290 __u32 pgm_code; 291 } s390_ucontrol; 292 /* KVM_EXIT_DCR (deprecated) */ 293 struct { 294 __u32 dcrn; 295 __u32 data; 296 __u8 is_write; 297 } dcr; 298 /* KVM_EXIT_INTERNAL_ERROR */ 299 struct { 300 __u32 suberror; 301 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 302 __u32 ndata; 303 __u64 data[16]; 304 } internal; 305 /* 306 * KVM_INTERNAL_ERROR_EMULATION 307 * 308 * "struct emulation_failure" is an overlay of "struct internal" 309 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 310 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 311 * sub-types, this struct is ABI! It also needs to be backwards 312 * compatible with "struct internal". Take special care that 313 * "ndata" is correct, that new fields are enumerated in "flags", 314 * and that each flag enumerates fields that are 64-bit aligned 315 * and sized (so that ndata+internal.data[] is valid/accurate). 316 * 317 * Space beyond the defined fields may be used to store arbitrary 318 * debug information relating to the emulation failure. It is 319 * accounted for in "ndata" but the format is unspecified and is 320 * not represented in "flags". Any such information is *not* ABI! 321 */ 322 struct { 323 __u32 suberror; 324 __u32 ndata; 325 __u64 flags; 326 union { 327 struct { 328 __u8 insn_size; 329 __u8 insn_bytes[15]; 330 }; 331 }; 332 /* Arbitrary debug data may follow. */ 333 } emulation_failure; 334 /* KVM_EXIT_OSI */ 335 struct { 336 __u64 gprs[32]; 337 } osi; 338 /* KVM_EXIT_PAPR_HCALL */ 339 struct { 340 __u64 nr; 341 __u64 ret; 342 __u64 args[9]; 343 } papr_hcall; 344 /* KVM_EXIT_S390_TSCH */ 345 struct { 346 __u16 subchannel_id; 347 __u16 subchannel_nr; 348 __u32 io_int_parm; 349 __u32 io_int_word; 350 __u32 ipb; 351 __u8 dequeued; 352 } s390_tsch; 353 /* KVM_EXIT_EPR */ 354 struct { 355 __u32 epr; 356 } epr; 357 /* KVM_EXIT_SYSTEM_EVENT */ 358 struct { 359 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 360 #define KVM_SYSTEM_EVENT_RESET 2 361 #define KVM_SYSTEM_EVENT_CRASH 3 362 #define KVM_SYSTEM_EVENT_WAKEUP 4 363 #define KVM_SYSTEM_EVENT_SUSPEND 5 364 #define KVM_SYSTEM_EVENT_SEV_TERM 6 365 __u32 type; 366 __u32 ndata; 367 union { 368 #ifndef __KERNEL__ 369 __u64 flags; 370 #endif 371 __u64 data[16]; 372 }; 373 } system_event; 374 /* KVM_EXIT_S390_STSI */ 375 struct { 376 __u64 addr; 377 __u8 ar; 378 __u8 reserved; 379 __u8 fc; 380 __u8 sel1; 381 __u16 sel2; 382 } s390_stsi; 383 /* KVM_EXIT_IOAPIC_EOI */ 384 struct { 385 __u8 vector; 386 } eoi; 387 /* KVM_EXIT_HYPERV */ 388 struct kvm_hyperv_exit hyperv; 389 /* KVM_EXIT_ARM_NISV */ 390 struct { 391 __u64 esr_iss; 392 __u64 fault_ipa; 393 } arm_nisv; 394 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 395 struct { 396 __u8 error; /* user -> kernel */ 397 __u8 pad[7]; 398 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 399 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 400 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 401 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 402 KVM_MSR_EXIT_REASON_UNKNOWN | \ 403 KVM_MSR_EXIT_REASON_FILTER) 404 __u32 reason; /* kernel -> user */ 405 __u32 index; /* kernel -> user */ 406 __u64 data; /* kernel <-> user */ 407 } msr; 408 /* KVM_EXIT_XEN */ 409 struct kvm_xen_exit xen; 410 /* KVM_EXIT_RISCV_SBI */ 411 struct { 412 unsigned long extension_id; 413 unsigned long function_id; 414 unsigned long args[6]; 415 unsigned long ret[2]; 416 } riscv_sbi; 417 /* KVM_EXIT_RISCV_CSR */ 418 struct { 419 unsigned long csr_num; 420 unsigned long new_value; 421 unsigned long write_mask; 422 unsigned long ret_value; 423 } riscv_csr; 424 /* KVM_EXIT_NOTIFY */ 425 struct { 426 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 427 __u32 flags; 428 } notify; 429 /* KVM_EXIT_MEMORY_FAULT */ 430 struct { 431 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 432 __u64 flags; 433 __u64 gpa; 434 __u64 size; 435 } memory_fault; 436 /* Fix the size of the union. */ 437 char padding[256]; 438 }; 439 440 /* 2048 is the size of the char array used to bound/pad the size 441 * of the union that holds sync regs. 442 */ 443 #define SYNC_REGS_SIZE_BYTES 2048 444 /* 445 * shared registers between kvm and userspace. 446 * kvm_valid_regs specifies the register classes set by the host 447 * kvm_dirty_regs specified the register classes dirtied by userspace 448 * struct kvm_sync_regs is architecture specific, as well as the 449 * bits for kvm_valid_regs and kvm_dirty_regs 450 */ 451 __u64 kvm_valid_regs; 452 __u64 kvm_dirty_regs; 453 union { 454 struct kvm_sync_regs regs; 455 char padding[SYNC_REGS_SIZE_BYTES]; 456 } s; 457 }; 458 459 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 460 461 struct kvm_coalesced_mmio_zone { 462 __u64 addr; 463 __u32 size; 464 union { 465 __u32 pad; 466 __u32 pio; 467 }; 468 }; 469 470 struct kvm_coalesced_mmio { 471 __u64 phys_addr; 472 __u32 len; 473 union { 474 __u32 pad; 475 __u32 pio; 476 }; 477 __u8 data[8]; 478 }; 479 480 struct kvm_coalesced_mmio_ring { 481 __u32 first, last; 482 struct kvm_coalesced_mmio coalesced_mmio[]; 483 }; 484 485 #define KVM_COALESCED_MMIO_MAX \ 486 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 487 sizeof(struct kvm_coalesced_mmio)) 488 489 /* for KVM_TRANSLATE */ 490 struct kvm_translation { 491 /* in */ 492 __u64 linear_address; 493 494 /* out */ 495 __u64 physical_address; 496 __u8 valid; 497 __u8 writeable; 498 __u8 usermode; 499 __u8 pad[5]; 500 }; 501 502 /* for KVM_INTERRUPT */ 503 struct kvm_interrupt { 504 /* in */ 505 __u32 irq; 506 }; 507 508 /* for KVM_GET_DIRTY_LOG */ 509 struct kvm_dirty_log { 510 __u32 slot; 511 __u32 padding1; 512 union { 513 void __user *dirty_bitmap; /* one bit per page */ 514 __u64 padding2; 515 }; 516 }; 517 518 /* for KVM_CLEAR_DIRTY_LOG */ 519 struct kvm_clear_dirty_log { 520 __u32 slot; 521 __u32 num_pages; 522 __u64 first_page; 523 union { 524 void __user *dirty_bitmap; /* one bit per page */ 525 __u64 padding2; 526 }; 527 }; 528 529 /* for KVM_SET_SIGNAL_MASK */ 530 struct kvm_signal_mask { 531 __u32 len; 532 __u8 sigset[]; 533 }; 534 535 /* for KVM_TPR_ACCESS_REPORTING */ 536 struct kvm_tpr_access_ctl { 537 __u32 enabled; 538 __u32 flags; 539 __u32 reserved[8]; 540 }; 541 542 /* for KVM_SET_VAPIC_ADDR */ 543 struct kvm_vapic_addr { 544 __u64 vapic_addr; 545 }; 546 547 /* for KVM_SET_MP_STATE */ 548 549 /* not all states are valid on all architectures */ 550 #define KVM_MP_STATE_RUNNABLE 0 551 #define KVM_MP_STATE_UNINITIALIZED 1 552 #define KVM_MP_STATE_INIT_RECEIVED 2 553 #define KVM_MP_STATE_HALTED 3 554 #define KVM_MP_STATE_SIPI_RECEIVED 4 555 #define KVM_MP_STATE_STOPPED 5 556 #define KVM_MP_STATE_CHECK_STOP 6 557 #define KVM_MP_STATE_OPERATING 7 558 #define KVM_MP_STATE_LOAD 8 559 #define KVM_MP_STATE_AP_RESET_HOLD 9 560 #define KVM_MP_STATE_SUSPENDED 10 561 562 struct kvm_mp_state { 563 __u32 mp_state; 564 }; 565 566 /* for KVM_SET_GUEST_DEBUG */ 567 568 #define KVM_GUESTDBG_ENABLE 0x00000001 569 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 570 571 struct kvm_guest_debug { 572 __u32 control; 573 __u32 pad; 574 struct kvm_guest_debug_arch arch; 575 }; 576 577 enum { 578 kvm_ioeventfd_flag_nr_datamatch, 579 kvm_ioeventfd_flag_nr_pio, 580 kvm_ioeventfd_flag_nr_deassign, 581 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 582 kvm_ioeventfd_flag_nr_fast_mmio, 583 kvm_ioeventfd_flag_nr_max, 584 }; 585 586 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 587 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 588 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 589 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 590 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 591 592 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 593 594 struct kvm_ioeventfd { 595 __u64 datamatch; 596 __u64 addr; /* legal pio/mmio address */ 597 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 598 __s32 fd; 599 __u32 flags; 600 __u8 pad[36]; 601 }; 602 603 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 604 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 605 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 606 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 607 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 608 KVM_X86_DISABLE_EXITS_HLT | \ 609 KVM_X86_DISABLE_EXITS_PAUSE | \ 610 KVM_X86_DISABLE_EXITS_CSTATE) 611 612 /* for KVM_ENABLE_CAP */ 613 struct kvm_enable_cap { 614 /* in */ 615 __u32 cap; 616 __u32 flags; 617 __u64 args[4]; 618 __u8 pad[64]; 619 }; 620 621 #define KVMIO 0xAE 622 623 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 624 #define KVM_VM_S390_UCONTROL 1 625 626 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 627 #define KVM_VM_PPC_HV 1 628 #define KVM_VM_PPC_PR 2 629 630 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 631 #define KVM_VM_MIPS_AUTO 0 632 #define KVM_VM_MIPS_VZ 1 633 #define KVM_VM_MIPS_TE 2 634 635 #define KVM_S390_SIE_PAGE_OFFSET 1 636 637 /* 638 * On arm64, machine type can be used to request the physical 639 * address size for the VM. Bits[7-0] are reserved for the guest 640 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 641 * value 0 implies the default IPA size, 40bits. 642 */ 643 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 644 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 645 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 646 /* 647 * ioctls for /dev/kvm fds: 648 */ 649 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 650 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 651 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 652 653 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 654 /* 655 * Check if a kvm extension is available. Argument is extension number, 656 * return is 1 (yes) or 0 (no, sorry). 657 */ 658 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 659 /* 660 * Get size for mmap(vcpu_fd) 661 */ 662 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 663 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 664 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 665 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 666 667 /* 668 * Extension capability list. 669 */ 670 #define KVM_CAP_IRQCHIP 0 671 #define KVM_CAP_HLT 1 672 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 673 #define KVM_CAP_USER_MEMORY 3 674 #define KVM_CAP_SET_TSS_ADDR 4 675 #define KVM_CAP_VAPIC 6 676 #define KVM_CAP_EXT_CPUID 7 677 #define KVM_CAP_CLOCKSOURCE 8 678 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 679 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 680 #define KVM_CAP_PIT 11 681 #define KVM_CAP_NOP_IO_DELAY 12 682 #define KVM_CAP_PV_MMU 13 683 #define KVM_CAP_MP_STATE 14 684 #define KVM_CAP_COALESCED_MMIO 15 685 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 686 #define KVM_CAP_IOMMU 18 687 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 688 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 689 #define KVM_CAP_USER_NMI 22 690 #define KVM_CAP_SET_GUEST_DEBUG 23 691 #ifdef __KVM_HAVE_PIT 692 #define KVM_CAP_REINJECT_CONTROL 24 693 #endif 694 #define KVM_CAP_IRQ_ROUTING 25 695 #define KVM_CAP_IRQ_INJECT_STATUS 26 696 #define KVM_CAP_ASSIGN_DEV_IRQ 29 697 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 698 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 699 #ifdef __KVM_HAVE_MCE 700 #define KVM_CAP_MCE 31 701 #endif 702 #define KVM_CAP_IRQFD 32 703 #ifdef __KVM_HAVE_PIT 704 #define KVM_CAP_PIT2 33 705 #endif 706 #define KVM_CAP_SET_BOOT_CPU_ID 34 707 #ifdef __KVM_HAVE_PIT_STATE2 708 #define KVM_CAP_PIT_STATE2 35 709 #endif 710 #define KVM_CAP_IOEVENTFD 36 711 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 712 #ifdef __KVM_HAVE_XEN_HVM 713 #define KVM_CAP_XEN_HVM 38 714 #endif 715 #define KVM_CAP_ADJUST_CLOCK 39 716 #define KVM_CAP_INTERNAL_ERROR_DATA 40 717 #ifdef __KVM_HAVE_VCPU_EVENTS 718 #define KVM_CAP_VCPU_EVENTS 41 719 #endif 720 #define KVM_CAP_S390_PSW 42 721 #define KVM_CAP_PPC_SEGSTATE 43 722 #define KVM_CAP_HYPERV 44 723 #define KVM_CAP_HYPERV_VAPIC 45 724 #define KVM_CAP_HYPERV_SPIN 46 725 #define KVM_CAP_PCI_SEGMENT 47 726 #define KVM_CAP_PPC_PAIRED_SINGLES 48 727 #define KVM_CAP_INTR_SHADOW 49 728 #ifdef __KVM_HAVE_DEBUGREGS 729 #define KVM_CAP_DEBUGREGS 50 730 #endif 731 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 732 #define KVM_CAP_PPC_OSI 52 733 #define KVM_CAP_PPC_UNSET_IRQ 53 734 #define KVM_CAP_ENABLE_CAP 54 735 #ifdef __KVM_HAVE_XSAVE 736 #define KVM_CAP_XSAVE 55 737 #endif 738 #ifdef __KVM_HAVE_XCRS 739 #define KVM_CAP_XCRS 56 740 #endif 741 #define KVM_CAP_PPC_GET_PVINFO 57 742 #define KVM_CAP_PPC_IRQ_LEVEL 58 743 #define KVM_CAP_ASYNC_PF 59 744 #define KVM_CAP_TSC_CONTROL 60 745 #define KVM_CAP_GET_TSC_KHZ 61 746 #define KVM_CAP_PPC_BOOKE_SREGS 62 747 #define KVM_CAP_SPAPR_TCE 63 748 #define KVM_CAP_PPC_SMT 64 749 #define KVM_CAP_PPC_RMA 65 750 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 751 #define KVM_CAP_PPC_HIOR 67 752 #define KVM_CAP_PPC_PAPR 68 753 #define KVM_CAP_SW_TLB 69 754 #define KVM_CAP_ONE_REG 70 755 #define KVM_CAP_S390_GMAP 71 756 #define KVM_CAP_TSC_DEADLINE_TIMER 72 757 #define KVM_CAP_S390_UCONTROL 73 758 #define KVM_CAP_SYNC_REGS 74 759 #define KVM_CAP_PCI_2_3 75 760 #define KVM_CAP_KVMCLOCK_CTRL 76 761 #define KVM_CAP_SIGNAL_MSI 77 762 #define KVM_CAP_PPC_GET_SMMU_INFO 78 763 #define KVM_CAP_S390_COW 79 764 #define KVM_CAP_PPC_ALLOC_HTAB 80 765 #define KVM_CAP_READONLY_MEM 81 766 #define KVM_CAP_IRQFD_RESAMPLE 82 767 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 768 #define KVM_CAP_PPC_HTAB_FD 84 769 #define KVM_CAP_S390_CSS_SUPPORT 85 770 #define KVM_CAP_PPC_EPR 86 771 #define KVM_CAP_ARM_PSCI 87 772 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 773 #define KVM_CAP_DEVICE_CTRL 89 774 #define KVM_CAP_IRQ_MPIC 90 775 #define KVM_CAP_PPC_RTAS 91 776 #define KVM_CAP_IRQ_XICS 92 777 #define KVM_CAP_ARM_EL1_32BIT 93 778 #define KVM_CAP_SPAPR_MULTITCE 94 779 #define KVM_CAP_EXT_EMUL_CPUID 95 780 #define KVM_CAP_HYPERV_TIME 96 781 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 782 #define KVM_CAP_ENABLE_CAP_VM 98 783 #define KVM_CAP_S390_IRQCHIP 99 784 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 785 #define KVM_CAP_VM_ATTRIBUTES 101 786 #define KVM_CAP_ARM_PSCI_0_2 102 787 #define KVM_CAP_PPC_FIXUP_HCALL 103 788 #define KVM_CAP_PPC_ENABLE_HCALL 104 789 #define KVM_CAP_CHECK_EXTENSION_VM 105 790 #define KVM_CAP_S390_USER_SIGP 106 791 #define KVM_CAP_S390_VECTOR_REGISTERS 107 792 #define KVM_CAP_S390_MEM_OP 108 793 #define KVM_CAP_S390_USER_STSI 109 794 #define KVM_CAP_S390_SKEYS 110 795 #define KVM_CAP_MIPS_FPU 111 796 #define KVM_CAP_MIPS_MSA 112 797 #define KVM_CAP_S390_INJECT_IRQ 113 798 #define KVM_CAP_S390_IRQ_STATE 114 799 #define KVM_CAP_PPC_HWRNG 115 800 #define KVM_CAP_DISABLE_QUIRKS 116 801 #define KVM_CAP_X86_SMM 117 802 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 803 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 804 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 805 #define KVM_CAP_SPLIT_IRQCHIP 121 806 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 807 #define KVM_CAP_HYPERV_SYNIC 123 808 #define KVM_CAP_S390_RI 124 809 #define KVM_CAP_SPAPR_TCE_64 125 810 #define KVM_CAP_ARM_PMU_V3 126 811 #define KVM_CAP_VCPU_ATTRIBUTES 127 812 #define KVM_CAP_MAX_VCPU_ID 128 813 #define KVM_CAP_X2APIC_API 129 814 #define KVM_CAP_S390_USER_INSTR0 130 815 #define KVM_CAP_MSI_DEVID 131 816 #define KVM_CAP_PPC_HTM 132 817 #define KVM_CAP_SPAPR_RESIZE_HPT 133 818 #define KVM_CAP_PPC_MMU_RADIX 134 819 #define KVM_CAP_PPC_MMU_HASH_V3 135 820 #define KVM_CAP_IMMEDIATE_EXIT 136 821 #define KVM_CAP_MIPS_VZ 137 822 #define KVM_CAP_MIPS_TE 138 823 #define KVM_CAP_MIPS_64BIT 139 824 #define KVM_CAP_S390_GS 140 825 #define KVM_CAP_S390_AIS 141 826 #define KVM_CAP_SPAPR_TCE_VFIO 142 827 #define KVM_CAP_X86_DISABLE_EXITS 143 828 #define KVM_CAP_ARM_USER_IRQ 144 829 #define KVM_CAP_S390_CMMA_MIGRATION 145 830 #define KVM_CAP_PPC_FWNMI 146 831 #define KVM_CAP_PPC_SMT_POSSIBLE 147 832 #define KVM_CAP_HYPERV_SYNIC2 148 833 #define KVM_CAP_HYPERV_VP_INDEX 149 834 #define KVM_CAP_S390_AIS_MIGRATION 150 835 #define KVM_CAP_PPC_GET_CPU_CHAR 151 836 #define KVM_CAP_S390_BPB 152 837 #define KVM_CAP_GET_MSR_FEATURES 153 838 #define KVM_CAP_HYPERV_EVENTFD 154 839 #define KVM_CAP_HYPERV_TLBFLUSH 155 840 #define KVM_CAP_S390_HPAGE_1M 156 841 #define KVM_CAP_NESTED_STATE 157 842 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 843 #define KVM_CAP_MSR_PLATFORM_INFO 159 844 #define KVM_CAP_PPC_NESTED_HV 160 845 #define KVM_CAP_HYPERV_SEND_IPI 161 846 #define KVM_CAP_COALESCED_PIO 162 847 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 848 #define KVM_CAP_EXCEPTION_PAYLOAD 164 849 #define KVM_CAP_ARM_VM_IPA_SIZE 165 850 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 851 #define KVM_CAP_HYPERV_CPUID 167 852 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 853 #define KVM_CAP_PPC_IRQ_XIVE 169 854 #define KVM_CAP_ARM_SVE 170 855 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 856 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 857 #define KVM_CAP_PMU_EVENT_FILTER 173 858 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 859 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 860 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 861 #define KVM_CAP_ARM_NISV_TO_USER 177 862 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 863 #define KVM_CAP_S390_VCPU_RESETS 179 864 #define KVM_CAP_S390_PROTECTED 180 865 #define KVM_CAP_PPC_SECURE_GUEST 181 866 #define KVM_CAP_HALT_POLL 182 867 #define KVM_CAP_ASYNC_PF_INT 183 868 #define KVM_CAP_LAST_CPU 184 869 #define KVM_CAP_SMALLER_MAXPHYADDR 185 870 #define KVM_CAP_S390_DIAG318 186 871 #define KVM_CAP_STEAL_TIME 187 872 #define KVM_CAP_X86_USER_SPACE_MSR 188 873 #define KVM_CAP_X86_MSR_FILTER 189 874 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 875 #define KVM_CAP_SYS_HYPERV_CPUID 191 876 #define KVM_CAP_DIRTY_LOG_RING 192 877 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 878 #define KVM_CAP_PPC_DAWR1 194 879 #define KVM_CAP_SET_GUEST_DEBUG2 195 880 #define KVM_CAP_SGX_ATTRIBUTE 196 881 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 882 #define KVM_CAP_PTP_KVM 198 883 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 884 #define KVM_CAP_SREGS2 200 885 #define KVM_CAP_EXIT_HYPERCALL 201 886 #define KVM_CAP_PPC_RPT_INVALIDATE 202 887 #define KVM_CAP_BINARY_STATS_FD 203 888 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 889 #define KVM_CAP_ARM_MTE 205 890 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 891 #define KVM_CAP_VM_GPA_BITS 207 892 #define KVM_CAP_XSAVE2 208 893 #define KVM_CAP_SYS_ATTRIBUTES 209 894 #define KVM_CAP_PPC_AIL_MODE_3 210 895 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 896 #define KVM_CAP_PMU_CAPABILITY 212 897 #define KVM_CAP_DISABLE_QUIRKS2 213 898 #define KVM_CAP_VM_TSC_CONTROL 214 899 #define KVM_CAP_SYSTEM_EVENT_DATA 215 900 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 901 #define KVM_CAP_S390_PROTECTED_DUMP 217 902 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 903 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 904 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 905 #define KVM_CAP_S390_ZPCI_OP 221 906 #define KVM_CAP_S390_CPU_TOPOLOGY 222 907 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 908 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 909 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 910 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 911 #define KVM_CAP_COUNTER_OFFSET 227 912 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 913 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 914 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 915 #define KVM_CAP_USER_MEMORY2 231 916 #define KVM_CAP_MEMORY_FAULT_INFO 232 917 #define KVM_CAP_MEMORY_ATTRIBUTES 233 918 #define KVM_CAP_GUEST_MEMFD 234 919 #define KVM_CAP_VM_TYPES 235 920 921 struct kvm_irq_routing_irqchip { 922 __u32 irqchip; 923 __u32 pin; 924 }; 925 926 struct kvm_irq_routing_msi { 927 __u32 address_lo; 928 __u32 address_hi; 929 __u32 data; 930 union { 931 __u32 pad; 932 __u32 devid; 933 }; 934 }; 935 936 struct kvm_irq_routing_s390_adapter { 937 __u64 ind_addr; 938 __u64 summary_addr; 939 __u64 ind_offset; 940 __u32 summary_offset; 941 __u32 adapter_id; 942 }; 943 944 struct kvm_irq_routing_hv_sint { 945 __u32 vcpu; 946 __u32 sint; 947 }; 948 949 struct kvm_irq_routing_xen_evtchn { 950 __u32 port; 951 __u32 vcpu; 952 __u32 priority; 953 }; 954 955 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 956 957 /* gsi routing entry types */ 958 #define KVM_IRQ_ROUTING_IRQCHIP 1 959 #define KVM_IRQ_ROUTING_MSI 2 960 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 961 #define KVM_IRQ_ROUTING_HV_SINT 4 962 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 963 964 struct kvm_irq_routing_entry { 965 __u32 gsi; 966 __u32 type; 967 __u32 flags; 968 __u32 pad; 969 union { 970 struct kvm_irq_routing_irqchip irqchip; 971 struct kvm_irq_routing_msi msi; 972 struct kvm_irq_routing_s390_adapter adapter; 973 struct kvm_irq_routing_hv_sint hv_sint; 974 struct kvm_irq_routing_xen_evtchn xen_evtchn; 975 __u32 pad[8]; 976 } u; 977 }; 978 979 struct kvm_irq_routing { 980 __u32 nr; 981 __u32 flags; 982 struct kvm_irq_routing_entry entries[]; 983 }; 984 985 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 986 /* 987 * Available with KVM_CAP_IRQFD_RESAMPLE 988 * 989 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 990 * the irqfd to operate in resampling mode for level triggered interrupt 991 * emulation. See Documentation/virt/kvm/api.rst. 992 */ 993 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 994 995 struct kvm_irqfd { 996 __u32 fd; 997 __u32 gsi; 998 __u32 flags; 999 __u32 resamplefd; 1000 __u8 pad[16]; 1001 }; 1002 1003 /* For KVM_CAP_ADJUST_CLOCK */ 1004 1005 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1006 #define KVM_CLOCK_TSC_STABLE 2 1007 #define KVM_CLOCK_REALTIME (1 << 2) 1008 #define KVM_CLOCK_HOST_TSC (1 << 3) 1009 1010 struct kvm_clock_data { 1011 __u64 clock; 1012 __u32 flags; 1013 __u32 pad0; 1014 __u64 realtime; 1015 __u64 host_tsc; 1016 __u32 pad[4]; 1017 }; 1018 1019 /* For KVM_CAP_SW_TLB */ 1020 1021 #define KVM_MMU_FSL_BOOKE_NOHV 0 1022 #define KVM_MMU_FSL_BOOKE_HV 1 1023 1024 struct kvm_config_tlb { 1025 __u64 params; 1026 __u64 array; 1027 __u32 mmu_type; 1028 __u32 array_len; 1029 }; 1030 1031 struct kvm_dirty_tlb { 1032 __u64 bitmap; 1033 __u32 num_dirty; 1034 }; 1035 1036 /* Available with KVM_CAP_ONE_REG */ 1037 1038 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1039 #define KVM_REG_GENERIC 0x0000000000000000ULL 1040 1041 /* 1042 * Architecture specific registers are to be defined in arch headers and 1043 * ORed with the arch identifier. 1044 */ 1045 #define KVM_REG_PPC 0x1000000000000000ULL 1046 #define KVM_REG_X86 0x2000000000000000ULL 1047 #define KVM_REG_IA64 0x3000000000000000ULL 1048 #define KVM_REG_ARM 0x4000000000000000ULL 1049 #define KVM_REG_S390 0x5000000000000000ULL 1050 #define KVM_REG_ARM64 0x6000000000000000ULL 1051 #define KVM_REG_MIPS 0x7000000000000000ULL 1052 #define KVM_REG_RISCV 0x8000000000000000ULL 1053 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1054 1055 #define KVM_REG_SIZE_SHIFT 52 1056 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1057 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1058 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1059 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1060 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1061 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1062 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1063 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1064 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1065 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1066 1067 struct kvm_reg_list { 1068 __u64 n; /* number of regs */ 1069 __u64 reg[]; 1070 }; 1071 1072 struct kvm_one_reg { 1073 __u64 id; 1074 __u64 addr; 1075 }; 1076 1077 #define KVM_MSI_VALID_DEVID (1U << 0) 1078 struct kvm_msi { 1079 __u32 address_lo; 1080 __u32 address_hi; 1081 __u32 data; 1082 __u32 flags; 1083 __u32 devid; 1084 __u8 pad[12]; 1085 }; 1086 1087 struct kvm_arm_device_addr { 1088 __u64 id; 1089 __u64 addr; 1090 }; 1091 1092 /* 1093 * Device control API, available with KVM_CAP_DEVICE_CTRL 1094 */ 1095 #define KVM_CREATE_DEVICE_TEST 1 1096 1097 struct kvm_create_device { 1098 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1099 __u32 fd; /* out: device handle */ 1100 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1101 }; 1102 1103 struct kvm_device_attr { 1104 __u32 flags; /* no flags currently defined */ 1105 __u32 group; /* device-defined */ 1106 __u64 attr; /* group-defined */ 1107 __u64 addr; /* userspace address of attr data */ 1108 }; 1109 1110 #define KVM_DEV_VFIO_FILE 1 1111 1112 #define KVM_DEV_VFIO_FILE_ADD 1 1113 #define KVM_DEV_VFIO_FILE_DEL 2 1114 1115 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1116 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1117 1118 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1119 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1120 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1121 1122 enum kvm_device_type { 1123 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1124 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1125 KVM_DEV_TYPE_FSL_MPIC_42, 1126 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1127 KVM_DEV_TYPE_XICS, 1128 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1129 KVM_DEV_TYPE_VFIO, 1130 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1131 KVM_DEV_TYPE_ARM_VGIC_V2, 1132 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1133 KVM_DEV_TYPE_FLIC, 1134 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1135 KVM_DEV_TYPE_ARM_VGIC_V3, 1136 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1137 KVM_DEV_TYPE_ARM_VGIC_ITS, 1138 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1139 KVM_DEV_TYPE_XIVE, 1140 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1141 KVM_DEV_TYPE_ARM_PV_TIME, 1142 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1143 KVM_DEV_TYPE_RISCV_AIA, 1144 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1145 KVM_DEV_TYPE_MAX, 1146 }; 1147 1148 struct kvm_vfio_spapr_tce { 1149 __s32 groupfd; 1150 __s32 tablefd; 1151 }; 1152 1153 /* 1154 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1155 * a vcpu fd. 1156 */ 1157 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1158 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1159 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1160 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1161 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1162 struct kvm_userspace_memory_region) 1163 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1164 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1165 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1166 struct kvm_userspace_memory_region2) 1167 1168 /* enable ucontrol for s390 */ 1169 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1170 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1171 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1172 1173 /* Device model IOC */ 1174 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1175 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1176 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1177 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1178 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1179 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1180 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1181 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1182 #define KVM_REGISTER_COALESCED_MMIO \ 1183 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1184 #define KVM_UNREGISTER_COALESCED_MMIO \ 1185 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1186 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1187 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1188 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1189 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1190 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1191 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1192 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1193 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1194 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1195 /* Available with KVM_CAP_PIT_STATE2 */ 1196 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1197 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1198 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1199 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1200 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1201 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1202 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1203 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1204 /* Available with KVM_CAP_SIGNAL_MSI */ 1205 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1206 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1207 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1208 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1209 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1210 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1211 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1212 struct kvm_create_spapr_tce_64) 1213 /* Available with KVM_CAP_RMA */ 1214 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1215 /* Available with KVM_CAP_PPC_HTAB_FD */ 1216 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1217 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1218 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1219 /* Available with KVM_CAP_PPC_RTAS */ 1220 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1221 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1222 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1223 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1224 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1225 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1226 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1227 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1228 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1229 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1230 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1231 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1232 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1233 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1234 /* Available with KVM_CAP_COUNTER_OFFSET */ 1235 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1236 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1237 1238 /* ioctl for vm fd */ 1239 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1240 1241 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1242 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1243 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1244 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1245 1246 /* 1247 * ioctls for vcpu fds 1248 */ 1249 #define KVM_RUN _IO(KVMIO, 0x80) 1250 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1251 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1252 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1253 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1254 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1255 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1256 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1257 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1258 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1259 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1260 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1261 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1262 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1263 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1264 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1265 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1266 /* Available with KVM_CAP_VAPIC */ 1267 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1268 /* Available with KVM_CAP_VAPIC */ 1269 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1270 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1271 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1272 /* store status for s390 */ 1273 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1274 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1275 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1276 /* initial ipl psw for s390 */ 1277 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1278 /* initial reset for s390 */ 1279 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1280 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1281 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1282 /* Available with KVM_CAP_USER_NMI */ 1283 #define KVM_NMI _IO(KVMIO, 0x9a) 1284 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1285 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1286 /* MCE for x86 */ 1287 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1288 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1289 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1290 /* Available with KVM_CAP_VCPU_EVENTS */ 1291 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1292 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1293 /* Available with KVM_CAP_DEBUGREGS */ 1294 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1295 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1296 /* 1297 * vcpu version available with KVM_CAP_ENABLE_CAP 1298 * vm version available with KVM_CAP_ENABLE_CAP_VM 1299 */ 1300 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1301 /* Available with KVM_CAP_XSAVE */ 1302 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1303 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1304 /* Available with KVM_CAP_XCRS */ 1305 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1306 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1307 /* Available with KVM_CAP_SW_TLB */ 1308 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1309 /* Available with KVM_CAP_ONE_REG */ 1310 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1311 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1312 /* VM is being stopped by host */ 1313 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1314 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1315 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1316 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1317 /* Available with KVM_CAP_S390_MEM_OP */ 1318 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1319 /* Available with KVM_CAP_S390_SKEYS */ 1320 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1321 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1322 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1323 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1324 /* Available with KVM_CAP_S390_IRQ_STATE */ 1325 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1326 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1327 /* Available with KVM_CAP_X86_SMM */ 1328 #define KVM_SMI _IO(KVMIO, 0xb7) 1329 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1330 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1331 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1332 /* Memory Encryption Commands */ 1333 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1334 1335 struct kvm_enc_region { 1336 __u64 addr; 1337 __u64 size; 1338 }; 1339 1340 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1341 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1342 1343 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1344 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1345 1346 /* Available with KVM_CAP_NESTED_STATE */ 1347 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1348 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1349 1350 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1351 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1352 1353 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1354 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1355 1356 /* Available with KVM_CAP_ARM_SVE */ 1357 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1358 1359 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1360 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1361 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1362 1363 /* Available with KVM_CAP_S390_PROTECTED */ 1364 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1365 1366 /* Available with KVM_CAP_X86_MSR_FILTER */ 1367 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1368 1369 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1370 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1371 1372 /* Per-VM Xen attributes */ 1373 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1374 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1375 1376 /* Per-vCPU Xen attributes */ 1377 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1378 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1379 1380 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1381 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1382 1383 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1384 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1385 1386 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1387 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1388 1389 /* 1390 * Arch needs to define the macro after implementing the dirty ring 1391 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1392 * starting page offset of the dirty ring structures. 1393 */ 1394 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1395 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1396 #endif 1397 1398 /* 1399 * KVM dirty GFN flags, defined as: 1400 * 1401 * |---------------+---------------+--------------| 1402 * | bit 1 (reset) | bit 0 (dirty) | Status | 1403 * |---------------+---------------+--------------| 1404 * | 0 | 0 | Invalid GFN | 1405 * | 0 | 1 | Dirty GFN | 1406 * | 1 | X | GFN to reset | 1407 * |---------------+---------------+--------------| 1408 * 1409 * Lifecycle of a dirty GFN goes like: 1410 * 1411 * dirtied harvested reset 1412 * 00 -----------> 01 -------------> 1X -------+ 1413 * ^ | 1414 * | | 1415 * +------------------------------------------+ 1416 * 1417 * The userspace program is only responsible for the 01->1X state 1418 * conversion after harvesting an entry. Also, it must not skip any 1419 * dirty bits, so that dirty bits are always harvested in sequence. 1420 */ 1421 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1422 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1423 #define KVM_DIRTY_GFN_F_MASK 0x3 1424 1425 /* 1426 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1427 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1428 * size of the gfn buffer is decided by the first argument when 1429 * enabling KVM_CAP_DIRTY_LOG_RING. 1430 */ 1431 struct kvm_dirty_gfn { 1432 __u32 flags; 1433 __u32 slot; 1434 __u64 offset; 1435 }; 1436 1437 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1438 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1439 1440 #define KVM_PMU_CAP_DISABLE (1 << 0) 1441 1442 /** 1443 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1444 * @flags: Some extra information for header, always 0 for now. 1445 * @name_size: The size in bytes of the memory which contains statistics 1446 * name string including trailing '\0'. The memory is allocated 1447 * at the send of statistics descriptor. 1448 * @num_desc: The number of statistics the vm or vcpu has. 1449 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1450 * by vm/vcpu stats fd. 1451 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1452 * pointd by vm/vcpu stats fd. 1453 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1454 * pointed by vm/vcpu stats fd. 1455 * 1456 * This is the header userspace needs to read from stats fd before any other 1457 * readings. It is used by userspace to discover all the information about the 1458 * vm/vcpu's binary statistics. 1459 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1460 */ 1461 struct kvm_stats_header { 1462 __u32 flags; 1463 __u32 name_size; 1464 __u32 num_desc; 1465 __u32 id_offset; 1466 __u32 desc_offset; 1467 __u32 data_offset; 1468 }; 1469 1470 #define KVM_STATS_TYPE_SHIFT 0 1471 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1472 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1473 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1474 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1475 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1476 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1477 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1478 1479 #define KVM_STATS_UNIT_SHIFT 4 1480 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1481 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1482 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1483 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1484 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1485 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1486 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1487 1488 #define KVM_STATS_BASE_SHIFT 8 1489 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1490 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1491 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1492 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1493 1494 /** 1495 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1496 * @flags: Annotations of the stats, like type, unit, etc. 1497 * @exponent: Used together with @flags to determine the unit. 1498 * @size: The number of data items for this stats. 1499 * Every data item is of type __u64. 1500 * @offset: The offset of the stats to the start of stat structure in 1501 * structure kvm or kvm_vcpu. 1502 * @bucket_size: A parameter value used for histogram stats. It is only used 1503 * for linear histogram stats, specifying the size of the bucket; 1504 * @name: The name string for the stats. Its size is indicated by the 1505 * &kvm_stats_header->name_size. 1506 */ 1507 struct kvm_stats_desc { 1508 __u32 flags; 1509 __s16 exponent; 1510 __u16 size; 1511 __u32 offset; 1512 __u32 bucket_size; 1513 char name[]; 1514 }; 1515 1516 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1517 1518 /* Available with KVM_CAP_XSAVE2 */ 1519 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1520 1521 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1522 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1523 1524 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1525 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1526 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1527 1528 /* Available with KVM_CAP_S390_ZPCI_OP */ 1529 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1530 1531 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1532 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1533 1534 struct kvm_memory_attributes { 1535 __u64 address; 1536 __u64 size; 1537 __u64 attributes; 1538 __u64 flags; 1539 }; 1540 1541 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1542 1543 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1544 1545 struct kvm_create_guest_memfd { 1546 __u64 size; 1547 __u64 flags; 1548 __u64 reserved[6]; 1549 }; 1550 1551 #endif /* __LINUX_KVM_H */ 1552