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 /* for KVM_SET_USER_MEMORY_REGION */ 20 struct kvm_userspace_memory_region { 21 __u32 slot; 22 __u32 flags; 23 __u64 guest_phys_addr; 24 __u64 memory_size; /* bytes */ 25 __u64 userspace_addr; /* start of the userspace allocated memory */ 26 }; 27 28 /* for KVM_SET_USER_MEMORY_REGION2 */ 29 struct kvm_userspace_memory_region2 { 30 __u32 slot; 31 __u32 flags; 32 __u64 guest_phys_addr; 33 __u64 memory_size; 34 __u64 userspace_addr; 35 __u64 guest_memfd_offset; 36 __u32 guest_memfd; 37 __u32 pad1; 38 __u64 pad2[14]; 39 }; 40 41 /* 42 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 43 * userspace, other bits are reserved for kvm internal use which are defined 44 * in include/linux/kvm_host.h. 45 */ 46 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 47 #define KVM_MEM_READONLY (1UL << 1) 48 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 49 50 /* for KVM_IRQ_LINE */ 51 struct kvm_irq_level { 52 /* 53 * ACPI gsi notion of irq. 54 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 55 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 56 * For ARM: See Documentation/virt/kvm/api.rst 57 */ 58 union { 59 __u32 irq; 60 __s32 status; 61 }; 62 __u32 level; 63 }; 64 65 66 struct kvm_irqchip { 67 __u32 chip_id; 68 __u32 pad; 69 union { 70 char dummy[512]; /* reserving space */ 71 #ifdef __KVM_HAVE_PIT 72 struct kvm_pic_state pic; 73 #endif 74 #ifdef __KVM_HAVE_IOAPIC 75 struct kvm_ioapic_state ioapic; 76 #endif 77 } chip; 78 }; 79 80 /* for KVM_CREATE_PIT2 */ 81 struct kvm_pit_config { 82 __u32 flags; 83 __u32 pad[15]; 84 }; 85 86 #define KVM_PIT_SPEAKER_DUMMY 1 87 88 struct kvm_hyperv_exit { 89 #define KVM_EXIT_HYPERV_SYNIC 1 90 #define KVM_EXIT_HYPERV_HCALL 2 91 #define KVM_EXIT_HYPERV_SYNDBG 3 92 __u32 type; 93 __u32 pad1; 94 union { 95 struct { 96 __u32 msr; 97 __u32 pad2; 98 __u64 control; 99 __u64 evt_page; 100 __u64 msg_page; 101 } synic; 102 struct { 103 __u64 input; 104 __u64 result; 105 __u64 params[2]; 106 } hcall; 107 struct { 108 __u32 msr; 109 __u32 pad2; 110 __u64 control; 111 __u64 status; 112 __u64 send_page; 113 __u64 recv_page; 114 __u64 pending_page; 115 } syndbg; 116 } u; 117 }; 118 119 struct kvm_xen_exit { 120 #define KVM_EXIT_XEN_HCALL 1 121 __u32 type; 122 union { 123 struct { 124 __u32 longmode; 125 __u32 cpl; 126 __u64 input; 127 __u64 result; 128 __u64 params[6]; 129 } hcall; 130 } u; 131 }; 132 133 #define KVM_S390_GET_SKEYS_NONE 1 134 #define KVM_S390_SKEYS_MAX 1048576 135 136 #define KVM_EXIT_UNKNOWN 0 137 #define KVM_EXIT_EXCEPTION 1 138 #define KVM_EXIT_IO 2 139 #define KVM_EXIT_HYPERCALL 3 140 #define KVM_EXIT_DEBUG 4 141 #define KVM_EXIT_HLT 5 142 #define KVM_EXIT_MMIO 6 143 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 144 #define KVM_EXIT_SHUTDOWN 8 145 #define KVM_EXIT_FAIL_ENTRY 9 146 #define KVM_EXIT_INTR 10 147 #define KVM_EXIT_SET_TPR 11 148 #define KVM_EXIT_TPR_ACCESS 12 149 #define KVM_EXIT_S390_SIEIC 13 150 #define KVM_EXIT_S390_RESET 14 151 #define KVM_EXIT_DCR 15 /* deprecated */ 152 #define KVM_EXIT_NMI 16 153 #define KVM_EXIT_INTERNAL_ERROR 17 154 #define KVM_EXIT_OSI 18 155 #define KVM_EXIT_PAPR_HCALL 19 156 #define KVM_EXIT_S390_UCONTROL 20 157 #define KVM_EXIT_WATCHDOG 21 158 #define KVM_EXIT_S390_TSCH 22 159 #define KVM_EXIT_EPR 23 160 #define KVM_EXIT_SYSTEM_EVENT 24 161 #define KVM_EXIT_S390_STSI 25 162 #define KVM_EXIT_IOAPIC_EOI 26 163 #define KVM_EXIT_HYPERV 27 164 #define KVM_EXIT_ARM_NISV 28 165 #define KVM_EXIT_X86_RDMSR 29 166 #define KVM_EXIT_X86_WRMSR 30 167 #define KVM_EXIT_DIRTY_RING_FULL 31 168 #define KVM_EXIT_AP_RESET_HOLD 32 169 #define KVM_EXIT_X86_BUS_LOCK 33 170 #define KVM_EXIT_XEN 34 171 #define KVM_EXIT_RISCV_SBI 35 172 #define KVM_EXIT_RISCV_CSR 36 173 #define KVM_EXIT_NOTIFY 37 174 #define KVM_EXIT_LOONGARCH_IOCSR 38 175 #define KVM_EXIT_MEMORY_FAULT 39 176 177 /* For KVM_EXIT_INTERNAL_ERROR */ 178 /* Emulate instruction failed. */ 179 #define KVM_INTERNAL_ERROR_EMULATION 1 180 /* Encounter unexpected simultaneous exceptions. */ 181 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 182 /* Encounter unexpected vm-exit due to delivery event. */ 183 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 184 /* Encounter unexpected vm-exit reason */ 185 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 186 187 /* Flags that describe what fields in emulation_failure hold valid data. */ 188 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 189 190 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 191 struct kvm_run { 192 /* in */ 193 __u8 request_interrupt_window; 194 __u8 immediate_exit; 195 __u8 padding1[6]; 196 197 /* out */ 198 __u32 exit_reason; 199 __u8 ready_for_interrupt_injection; 200 __u8 if_flag; 201 __u16 flags; 202 203 /* in (pre_kvm_run), out (post_kvm_run) */ 204 __u64 cr8; 205 __u64 apic_base; 206 207 #ifdef __KVM_S390 208 /* the processor status word for s390 */ 209 __u64 psw_mask; /* psw upper half */ 210 __u64 psw_addr; /* psw lower half */ 211 #endif 212 union { 213 /* KVM_EXIT_UNKNOWN */ 214 struct { 215 __u64 hardware_exit_reason; 216 } hw; 217 /* KVM_EXIT_FAIL_ENTRY */ 218 struct { 219 __u64 hardware_entry_failure_reason; 220 __u32 cpu; 221 } fail_entry; 222 /* KVM_EXIT_EXCEPTION */ 223 struct { 224 __u32 exception; 225 __u32 error_code; 226 } ex; 227 /* KVM_EXIT_IO */ 228 struct { 229 #define KVM_EXIT_IO_IN 0 230 #define KVM_EXIT_IO_OUT 1 231 __u8 direction; 232 __u8 size; /* bytes */ 233 __u16 port; 234 __u32 count; 235 __u64 data_offset; /* relative to kvm_run start */ 236 } io; 237 /* KVM_EXIT_DEBUG */ 238 struct { 239 struct kvm_debug_exit_arch arch; 240 } debug; 241 /* KVM_EXIT_MMIO */ 242 struct { 243 __u64 phys_addr; 244 __u8 data[8]; 245 __u32 len; 246 __u8 is_write; 247 } mmio; 248 /* KVM_EXIT_LOONGARCH_IOCSR */ 249 struct { 250 __u64 phys_addr; 251 __u8 data[8]; 252 __u32 len; 253 __u8 is_write; 254 } iocsr_io; 255 /* KVM_EXIT_HYPERCALL */ 256 struct { 257 __u64 nr; 258 __u64 args[6]; 259 __u64 ret; 260 261 union { 262 #ifndef __KERNEL__ 263 __u32 longmode; 264 #endif 265 __u64 flags; 266 }; 267 } hypercall; 268 /* KVM_EXIT_TPR_ACCESS */ 269 struct { 270 __u64 rip; 271 __u32 is_write; 272 __u32 pad; 273 } tpr_access; 274 /* KVM_EXIT_S390_SIEIC */ 275 struct { 276 __u8 icptcode; 277 __u16 ipa; 278 __u32 ipb; 279 } s390_sieic; 280 /* KVM_EXIT_S390_RESET */ 281 __u64 s390_reset_flags; 282 /* KVM_EXIT_S390_UCONTROL */ 283 struct { 284 __u64 trans_exc_code; 285 __u32 pgm_code; 286 } s390_ucontrol; 287 /* KVM_EXIT_DCR (deprecated) */ 288 struct { 289 __u32 dcrn; 290 __u32 data; 291 __u8 is_write; 292 } dcr; 293 /* KVM_EXIT_INTERNAL_ERROR */ 294 struct { 295 __u32 suberror; 296 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 297 __u32 ndata; 298 __u64 data[16]; 299 } internal; 300 /* 301 * KVM_INTERNAL_ERROR_EMULATION 302 * 303 * "struct emulation_failure" is an overlay of "struct internal" 304 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 305 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 306 * sub-types, this struct is ABI! It also needs to be backwards 307 * compatible with "struct internal". Take special care that 308 * "ndata" is correct, that new fields are enumerated in "flags", 309 * and that each flag enumerates fields that are 64-bit aligned 310 * and sized (so that ndata+internal.data[] is valid/accurate). 311 * 312 * Space beyond the defined fields may be used to store arbitrary 313 * debug information relating to the emulation failure. It is 314 * accounted for in "ndata" but the format is unspecified and is 315 * not represented in "flags". Any such information is *not* ABI! 316 */ 317 struct { 318 __u32 suberror; 319 __u32 ndata; 320 __u64 flags; 321 union { 322 struct { 323 __u8 insn_size; 324 __u8 insn_bytes[15]; 325 }; 326 }; 327 /* Arbitrary debug data may follow. */ 328 } emulation_failure; 329 /* KVM_EXIT_OSI */ 330 struct { 331 __u64 gprs[32]; 332 } osi; 333 /* KVM_EXIT_PAPR_HCALL */ 334 struct { 335 __u64 nr; 336 __u64 ret; 337 __u64 args[9]; 338 } papr_hcall; 339 /* KVM_EXIT_S390_TSCH */ 340 struct { 341 __u16 subchannel_id; 342 __u16 subchannel_nr; 343 __u32 io_int_parm; 344 __u32 io_int_word; 345 __u32 ipb; 346 __u8 dequeued; 347 } s390_tsch; 348 /* KVM_EXIT_EPR */ 349 struct { 350 __u32 epr; 351 } epr; 352 /* KVM_EXIT_SYSTEM_EVENT */ 353 struct { 354 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 355 #define KVM_SYSTEM_EVENT_RESET 2 356 #define KVM_SYSTEM_EVENT_CRASH 3 357 #define KVM_SYSTEM_EVENT_WAKEUP 4 358 #define KVM_SYSTEM_EVENT_SUSPEND 5 359 #define KVM_SYSTEM_EVENT_SEV_TERM 6 360 __u32 type; 361 __u32 ndata; 362 union { 363 #ifndef __KERNEL__ 364 __u64 flags; 365 #endif 366 __u64 data[16]; 367 }; 368 } system_event; 369 /* KVM_EXIT_S390_STSI */ 370 struct { 371 __u64 addr; 372 __u8 ar; 373 __u8 reserved; 374 __u8 fc; 375 __u8 sel1; 376 __u16 sel2; 377 } s390_stsi; 378 /* KVM_EXIT_IOAPIC_EOI */ 379 struct { 380 __u8 vector; 381 } eoi; 382 /* KVM_EXIT_HYPERV */ 383 struct kvm_hyperv_exit hyperv; 384 /* KVM_EXIT_ARM_NISV */ 385 struct { 386 __u64 esr_iss; 387 __u64 fault_ipa; 388 } arm_nisv; 389 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 390 struct { 391 __u8 error; /* user -> kernel */ 392 __u8 pad[7]; 393 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 394 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 395 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 396 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 397 KVM_MSR_EXIT_REASON_UNKNOWN | \ 398 KVM_MSR_EXIT_REASON_FILTER) 399 __u32 reason; /* kernel -> user */ 400 __u32 index; /* kernel -> user */ 401 __u64 data; /* kernel <-> user */ 402 } msr; 403 /* KVM_EXIT_XEN */ 404 struct kvm_xen_exit xen; 405 /* KVM_EXIT_RISCV_SBI */ 406 struct { 407 unsigned long extension_id; 408 unsigned long function_id; 409 unsigned long args[6]; 410 unsigned long ret[2]; 411 } riscv_sbi; 412 /* KVM_EXIT_RISCV_CSR */ 413 struct { 414 unsigned long csr_num; 415 unsigned long new_value; 416 unsigned long write_mask; 417 unsigned long ret_value; 418 } riscv_csr; 419 /* KVM_EXIT_NOTIFY */ 420 struct { 421 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 422 __u32 flags; 423 } notify; 424 /* KVM_EXIT_MEMORY_FAULT */ 425 struct { 426 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 427 __u64 flags; 428 __u64 gpa; 429 __u64 size; 430 } memory_fault; 431 /* Fix the size of the union. */ 432 char padding[256]; 433 }; 434 435 /* 2048 is the size of the char array used to bound/pad the size 436 * of the union that holds sync regs. 437 */ 438 #define SYNC_REGS_SIZE_BYTES 2048 439 /* 440 * shared registers between kvm and userspace. 441 * kvm_valid_regs specifies the register classes set by the host 442 * kvm_dirty_regs specified the register classes dirtied by userspace 443 * struct kvm_sync_regs is architecture specific, as well as the 444 * bits for kvm_valid_regs and kvm_dirty_regs 445 */ 446 __u64 kvm_valid_regs; 447 __u64 kvm_dirty_regs; 448 union { 449 struct kvm_sync_regs regs; 450 char padding[SYNC_REGS_SIZE_BYTES]; 451 } s; 452 }; 453 454 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 455 456 struct kvm_coalesced_mmio_zone { 457 __u64 addr; 458 __u32 size; 459 union { 460 __u32 pad; 461 __u32 pio; 462 }; 463 }; 464 465 struct kvm_coalesced_mmio { 466 __u64 phys_addr; 467 __u32 len; 468 union { 469 __u32 pad; 470 __u32 pio; 471 }; 472 __u8 data[8]; 473 }; 474 475 struct kvm_coalesced_mmio_ring { 476 __u32 first, last; 477 struct kvm_coalesced_mmio coalesced_mmio[]; 478 }; 479 480 #define KVM_COALESCED_MMIO_MAX \ 481 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 482 sizeof(struct kvm_coalesced_mmio)) 483 484 /* for KVM_TRANSLATE */ 485 struct kvm_translation { 486 /* in */ 487 __u64 linear_address; 488 489 /* out */ 490 __u64 physical_address; 491 __u8 valid; 492 __u8 writeable; 493 __u8 usermode; 494 __u8 pad[5]; 495 }; 496 497 /* for KVM_INTERRUPT */ 498 struct kvm_interrupt { 499 /* in */ 500 __u32 irq; 501 }; 502 503 /* for KVM_GET_DIRTY_LOG */ 504 struct kvm_dirty_log { 505 __u32 slot; 506 __u32 padding1; 507 union { 508 void __user *dirty_bitmap; /* one bit per page */ 509 __u64 padding2; 510 }; 511 }; 512 513 /* for KVM_CLEAR_DIRTY_LOG */ 514 struct kvm_clear_dirty_log { 515 __u32 slot; 516 __u32 num_pages; 517 __u64 first_page; 518 union { 519 void __user *dirty_bitmap; /* one bit per page */ 520 __u64 padding2; 521 }; 522 }; 523 524 /* for KVM_SET_SIGNAL_MASK */ 525 struct kvm_signal_mask { 526 __u32 len; 527 __u8 sigset[]; 528 }; 529 530 /* for KVM_TPR_ACCESS_REPORTING */ 531 struct kvm_tpr_access_ctl { 532 __u32 enabled; 533 __u32 flags; 534 __u32 reserved[8]; 535 }; 536 537 /* for KVM_SET_VAPIC_ADDR */ 538 struct kvm_vapic_addr { 539 __u64 vapic_addr; 540 }; 541 542 /* for KVM_SET_MP_STATE */ 543 544 /* not all states are valid on all architectures */ 545 #define KVM_MP_STATE_RUNNABLE 0 546 #define KVM_MP_STATE_UNINITIALIZED 1 547 #define KVM_MP_STATE_INIT_RECEIVED 2 548 #define KVM_MP_STATE_HALTED 3 549 #define KVM_MP_STATE_SIPI_RECEIVED 4 550 #define KVM_MP_STATE_STOPPED 5 551 #define KVM_MP_STATE_CHECK_STOP 6 552 #define KVM_MP_STATE_OPERATING 7 553 #define KVM_MP_STATE_LOAD 8 554 #define KVM_MP_STATE_AP_RESET_HOLD 9 555 #define KVM_MP_STATE_SUSPENDED 10 556 557 struct kvm_mp_state { 558 __u32 mp_state; 559 }; 560 561 /* for KVM_SET_GUEST_DEBUG */ 562 563 #define KVM_GUESTDBG_ENABLE 0x00000001 564 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 565 566 struct kvm_guest_debug { 567 __u32 control; 568 __u32 pad; 569 struct kvm_guest_debug_arch arch; 570 }; 571 572 enum { 573 kvm_ioeventfd_flag_nr_datamatch, 574 kvm_ioeventfd_flag_nr_pio, 575 kvm_ioeventfd_flag_nr_deassign, 576 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 577 kvm_ioeventfd_flag_nr_fast_mmio, 578 kvm_ioeventfd_flag_nr_max, 579 }; 580 581 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 582 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 583 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 584 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 585 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 586 587 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 588 589 struct kvm_ioeventfd { 590 __u64 datamatch; 591 __u64 addr; /* legal pio/mmio address */ 592 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 593 __s32 fd; 594 __u32 flags; 595 __u8 pad[36]; 596 }; 597 598 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 599 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 600 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 601 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 602 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 603 KVM_X86_DISABLE_EXITS_HLT | \ 604 KVM_X86_DISABLE_EXITS_PAUSE | \ 605 KVM_X86_DISABLE_EXITS_CSTATE) 606 607 /* for KVM_ENABLE_CAP */ 608 struct kvm_enable_cap { 609 /* in */ 610 __u32 cap; 611 __u32 flags; 612 __u64 args[4]; 613 __u8 pad[64]; 614 }; 615 616 #define KVMIO 0xAE 617 618 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 619 #define KVM_VM_S390_UCONTROL 1 620 621 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 622 #define KVM_VM_PPC_HV 1 623 #define KVM_VM_PPC_PR 2 624 625 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 626 #define KVM_VM_MIPS_AUTO 0 627 #define KVM_VM_MIPS_VZ 1 628 #define KVM_VM_MIPS_TE 2 629 630 #define KVM_S390_SIE_PAGE_OFFSET 1 631 632 /* 633 * On arm64, machine type can be used to request the physical 634 * address size for the VM. Bits[7-0] are reserved for the guest 635 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 636 * value 0 implies the default IPA size, 40bits. 637 */ 638 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 639 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 640 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 641 /* 642 * ioctls for /dev/kvm fds: 643 */ 644 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 645 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 646 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 647 648 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 649 /* 650 * Check if a kvm extension is available. Argument is extension number, 651 * return is 1 (yes) or 0 (no, sorry). 652 */ 653 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 654 /* 655 * Get size for mmap(vcpu_fd) 656 */ 657 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 658 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 659 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 660 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 661 662 /* 663 * Extension capability list. 664 */ 665 #define KVM_CAP_IRQCHIP 0 666 #define KVM_CAP_HLT 1 667 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 668 #define KVM_CAP_USER_MEMORY 3 669 #define KVM_CAP_SET_TSS_ADDR 4 670 #define KVM_CAP_VAPIC 6 671 #define KVM_CAP_EXT_CPUID 7 672 #define KVM_CAP_CLOCKSOURCE 8 673 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 674 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 675 #define KVM_CAP_PIT 11 676 #define KVM_CAP_NOP_IO_DELAY 12 677 #define KVM_CAP_PV_MMU 13 678 #define KVM_CAP_MP_STATE 14 679 #define KVM_CAP_COALESCED_MMIO 15 680 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 681 #define KVM_CAP_IOMMU 18 682 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 683 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 684 #define KVM_CAP_USER_NMI 22 685 #ifdef __KVM_HAVE_GUEST_DEBUG 686 #define KVM_CAP_SET_GUEST_DEBUG 23 687 #endif 688 #ifdef __KVM_HAVE_PIT 689 #define KVM_CAP_REINJECT_CONTROL 24 690 #endif 691 #define KVM_CAP_IRQ_ROUTING 25 692 #define KVM_CAP_IRQ_INJECT_STATUS 26 693 #define KVM_CAP_ASSIGN_DEV_IRQ 29 694 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 695 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 696 #ifdef __KVM_HAVE_MCE 697 #define KVM_CAP_MCE 31 698 #endif 699 #define KVM_CAP_IRQFD 32 700 #ifdef __KVM_HAVE_PIT 701 #define KVM_CAP_PIT2 33 702 #endif 703 #define KVM_CAP_SET_BOOT_CPU_ID 34 704 #ifdef __KVM_HAVE_PIT_STATE2 705 #define KVM_CAP_PIT_STATE2 35 706 #endif 707 #define KVM_CAP_IOEVENTFD 36 708 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 709 #ifdef __KVM_HAVE_XEN_HVM 710 #define KVM_CAP_XEN_HVM 38 711 #endif 712 #define KVM_CAP_ADJUST_CLOCK 39 713 #define KVM_CAP_INTERNAL_ERROR_DATA 40 714 #ifdef __KVM_HAVE_VCPU_EVENTS 715 #define KVM_CAP_VCPU_EVENTS 41 716 #endif 717 #define KVM_CAP_S390_PSW 42 718 #define KVM_CAP_PPC_SEGSTATE 43 719 #define KVM_CAP_HYPERV 44 720 #define KVM_CAP_HYPERV_VAPIC 45 721 #define KVM_CAP_HYPERV_SPIN 46 722 #define KVM_CAP_PCI_SEGMENT 47 723 #define KVM_CAP_PPC_PAIRED_SINGLES 48 724 #define KVM_CAP_INTR_SHADOW 49 725 #ifdef __KVM_HAVE_DEBUGREGS 726 #define KVM_CAP_DEBUGREGS 50 727 #endif 728 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 729 #define KVM_CAP_PPC_OSI 52 730 #define KVM_CAP_PPC_UNSET_IRQ 53 731 #define KVM_CAP_ENABLE_CAP 54 732 #ifdef __KVM_HAVE_XSAVE 733 #define KVM_CAP_XSAVE 55 734 #endif 735 #ifdef __KVM_HAVE_XCRS 736 #define KVM_CAP_XCRS 56 737 #endif 738 #define KVM_CAP_PPC_GET_PVINFO 57 739 #define KVM_CAP_PPC_IRQ_LEVEL 58 740 #define KVM_CAP_ASYNC_PF 59 741 #define KVM_CAP_TSC_CONTROL 60 742 #define KVM_CAP_GET_TSC_KHZ 61 743 #define KVM_CAP_PPC_BOOKE_SREGS 62 744 #define KVM_CAP_SPAPR_TCE 63 745 #define KVM_CAP_PPC_SMT 64 746 #define KVM_CAP_PPC_RMA 65 747 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 748 #define KVM_CAP_PPC_HIOR 67 749 #define KVM_CAP_PPC_PAPR 68 750 #define KVM_CAP_SW_TLB 69 751 #define KVM_CAP_ONE_REG 70 752 #define KVM_CAP_S390_GMAP 71 753 #define KVM_CAP_TSC_DEADLINE_TIMER 72 754 #define KVM_CAP_S390_UCONTROL 73 755 #define KVM_CAP_SYNC_REGS 74 756 #define KVM_CAP_PCI_2_3 75 757 #define KVM_CAP_KVMCLOCK_CTRL 76 758 #define KVM_CAP_SIGNAL_MSI 77 759 #define KVM_CAP_PPC_GET_SMMU_INFO 78 760 #define KVM_CAP_S390_COW 79 761 #define KVM_CAP_PPC_ALLOC_HTAB 80 762 #define KVM_CAP_READONLY_MEM 81 763 #define KVM_CAP_IRQFD_RESAMPLE 82 764 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 765 #define KVM_CAP_PPC_HTAB_FD 84 766 #define KVM_CAP_S390_CSS_SUPPORT 85 767 #define KVM_CAP_PPC_EPR 86 768 #define KVM_CAP_ARM_PSCI 87 769 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 770 #define KVM_CAP_DEVICE_CTRL 89 771 #define KVM_CAP_IRQ_MPIC 90 772 #define KVM_CAP_PPC_RTAS 91 773 #define KVM_CAP_IRQ_XICS 92 774 #define KVM_CAP_ARM_EL1_32BIT 93 775 #define KVM_CAP_SPAPR_MULTITCE 94 776 #define KVM_CAP_EXT_EMUL_CPUID 95 777 #define KVM_CAP_HYPERV_TIME 96 778 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 779 #define KVM_CAP_ENABLE_CAP_VM 98 780 #define KVM_CAP_S390_IRQCHIP 99 781 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 782 #define KVM_CAP_VM_ATTRIBUTES 101 783 #define KVM_CAP_ARM_PSCI_0_2 102 784 #define KVM_CAP_PPC_FIXUP_HCALL 103 785 #define KVM_CAP_PPC_ENABLE_HCALL 104 786 #define KVM_CAP_CHECK_EXTENSION_VM 105 787 #define KVM_CAP_S390_USER_SIGP 106 788 #define KVM_CAP_S390_VECTOR_REGISTERS 107 789 #define KVM_CAP_S390_MEM_OP 108 790 #define KVM_CAP_S390_USER_STSI 109 791 #define KVM_CAP_S390_SKEYS 110 792 #define KVM_CAP_MIPS_FPU 111 793 #define KVM_CAP_MIPS_MSA 112 794 #define KVM_CAP_S390_INJECT_IRQ 113 795 #define KVM_CAP_S390_IRQ_STATE 114 796 #define KVM_CAP_PPC_HWRNG 115 797 #define KVM_CAP_DISABLE_QUIRKS 116 798 #define KVM_CAP_X86_SMM 117 799 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 800 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 801 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 802 #define KVM_CAP_SPLIT_IRQCHIP 121 803 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 804 #define KVM_CAP_HYPERV_SYNIC 123 805 #define KVM_CAP_S390_RI 124 806 #define KVM_CAP_SPAPR_TCE_64 125 807 #define KVM_CAP_ARM_PMU_V3 126 808 #define KVM_CAP_VCPU_ATTRIBUTES 127 809 #define KVM_CAP_MAX_VCPU_ID 128 810 #define KVM_CAP_X2APIC_API 129 811 #define KVM_CAP_S390_USER_INSTR0 130 812 #define KVM_CAP_MSI_DEVID 131 813 #define KVM_CAP_PPC_HTM 132 814 #define KVM_CAP_SPAPR_RESIZE_HPT 133 815 #define KVM_CAP_PPC_MMU_RADIX 134 816 #define KVM_CAP_PPC_MMU_HASH_V3 135 817 #define KVM_CAP_IMMEDIATE_EXIT 136 818 #define KVM_CAP_MIPS_VZ 137 819 #define KVM_CAP_MIPS_TE 138 820 #define KVM_CAP_MIPS_64BIT 139 821 #define KVM_CAP_S390_GS 140 822 #define KVM_CAP_S390_AIS 141 823 #define KVM_CAP_SPAPR_TCE_VFIO 142 824 #define KVM_CAP_X86_DISABLE_EXITS 143 825 #define KVM_CAP_ARM_USER_IRQ 144 826 #define KVM_CAP_S390_CMMA_MIGRATION 145 827 #define KVM_CAP_PPC_FWNMI 146 828 #define KVM_CAP_PPC_SMT_POSSIBLE 147 829 #define KVM_CAP_HYPERV_SYNIC2 148 830 #define KVM_CAP_HYPERV_VP_INDEX 149 831 #define KVM_CAP_S390_AIS_MIGRATION 150 832 #define KVM_CAP_PPC_GET_CPU_CHAR 151 833 #define KVM_CAP_S390_BPB 152 834 #define KVM_CAP_GET_MSR_FEATURES 153 835 #define KVM_CAP_HYPERV_EVENTFD 154 836 #define KVM_CAP_HYPERV_TLBFLUSH 155 837 #define KVM_CAP_S390_HPAGE_1M 156 838 #define KVM_CAP_NESTED_STATE 157 839 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 840 #define KVM_CAP_MSR_PLATFORM_INFO 159 841 #define KVM_CAP_PPC_NESTED_HV 160 842 #define KVM_CAP_HYPERV_SEND_IPI 161 843 #define KVM_CAP_COALESCED_PIO 162 844 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 845 #define KVM_CAP_EXCEPTION_PAYLOAD 164 846 #define KVM_CAP_ARM_VM_IPA_SIZE 165 847 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 848 #define KVM_CAP_HYPERV_CPUID 167 849 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 850 #define KVM_CAP_PPC_IRQ_XIVE 169 851 #define KVM_CAP_ARM_SVE 170 852 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 853 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 854 #define KVM_CAP_PMU_EVENT_FILTER 173 855 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 856 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 857 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 858 #define KVM_CAP_ARM_NISV_TO_USER 177 859 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 860 #define KVM_CAP_S390_VCPU_RESETS 179 861 #define KVM_CAP_S390_PROTECTED 180 862 #define KVM_CAP_PPC_SECURE_GUEST 181 863 #define KVM_CAP_HALT_POLL 182 864 #define KVM_CAP_ASYNC_PF_INT 183 865 #define KVM_CAP_LAST_CPU 184 866 #define KVM_CAP_SMALLER_MAXPHYADDR 185 867 #define KVM_CAP_S390_DIAG318 186 868 #define KVM_CAP_STEAL_TIME 187 869 #define KVM_CAP_X86_USER_SPACE_MSR 188 870 #define KVM_CAP_X86_MSR_FILTER 189 871 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 872 #define KVM_CAP_SYS_HYPERV_CPUID 191 873 #define KVM_CAP_DIRTY_LOG_RING 192 874 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 875 #define KVM_CAP_PPC_DAWR1 194 876 #define KVM_CAP_SET_GUEST_DEBUG2 195 877 #define KVM_CAP_SGX_ATTRIBUTE 196 878 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 879 #define KVM_CAP_PTP_KVM 198 880 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 881 #define KVM_CAP_SREGS2 200 882 #define KVM_CAP_EXIT_HYPERCALL 201 883 #define KVM_CAP_PPC_RPT_INVALIDATE 202 884 #define KVM_CAP_BINARY_STATS_FD 203 885 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 886 #define KVM_CAP_ARM_MTE 205 887 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 888 #define KVM_CAP_VM_GPA_BITS 207 889 #define KVM_CAP_XSAVE2 208 890 #define KVM_CAP_SYS_ATTRIBUTES 209 891 #define KVM_CAP_PPC_AIL_MODE_3 210 892 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 893 #define KVM_CAP_PMU_CAPABILITY 212 894 #define KVM_CAP_DISABLE_QUIRKS2 213 895 #define KVM_CAP_VM_TSC_CONTROL 214 896 #define KVM_CAP_SYSTEM_EVENT_DATA 215 897 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 898 #define KVM_CAP_S390_PROTECTED_DUMP 217 899 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 900 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 901 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 902 #define KVM_CAP_S390_ZPCI_OP 221 903 #define KVM_CAP_S390_CPU_TOPOLOGY 222 904 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 905 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 906 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 907 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 908 #define KVM_CAP_COUNTER_OFFSET 227 909 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 910 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 911 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 912 #define KVM_CAP_USER_MEMORY2 231 913 #define KVM_CAP_MEMORY_FAULT_INFO 232 914 #define KVM_CAP_MEMORY_ATTRIBUTES 233 915 #define KVM_CAP_GUEST_MEMFD 234 916 #define KVM_CAP_VM_TYPES 235 917 918 #ifdef KVM_CAP_IRQ_ROUTING 919 920 struct kvm_irq_routing_irqchip { 921 __u32 irqchip; 922 __u32 pin; 923 }; 924 925 struct kvm_irq_routing_msi { 926 __u32 address_lo; 927 __u32 address_hi; 928 __u32 data; 929 union { 930 __u32 pad; 931 __u32 devid; 932 }; 933 }; 934 935 struct kvm_irq_routing_s390_adapter { 936 __u64 ind_addr; 937 __u64 summary_addr; 938 __u64 ind_offset; 939 __u32 summary_offset; 940 __u32 adapter_id; 941 }; 942 943 struct kvm_irq_routing_hv_sint { 944 __u32 vcpu; 945 __u32 sint; 946 }; 947 948 struct kvm_irq_routing_xen_evtchn { 949 __u32 port; 950 __u32 vcpu; 951 __u32 priority; 952 }; 953 954 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 955 956 /* gsi routing entry types */ 957 #define KVM_IRQ_ROUTING_IRQCHIP 1 958 #define KVM_IRQ_ROUTING_MSI 2 959 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 960 #define KVM_IRQ_ROUTING_HV_SINT 4 961 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 962 963 struct kvm_irq_routing_entry { 964 __u32 gsi; 965 __u32 type; 966 __u32 flags; 967 __u32 pad; 968 union { 969 struct kvm_irq_routing_irqchip irqchip; 970 struct kvm_irq_routing_msi msi; 971 struct kvm_irq_routing_s390_adapter adapter; 972 struct kvm_irq_routing_hv_sint hv_sint; 973 struct kvm_irq_routing_xen_evtchn xen_evtchn; 974 __u32 pad[8]; 975 } u; 976 }; 977 978 struct kvm_irq_routing { 979 __u32 nr; 980 __u32 flags; 981 struct kvm_irq_routing_entry entries[]; 982 }; 983 984 #endif 985 986 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 987 /* 988 * Available with KVM_CAP_IRQFD_RESAMPLE 989 * 990 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 991 * the irqfd to operate in resampling mode for level triggered interrupt 992 * emulation. See Documentation/virt/kvm/api.rst. 993 */ 994 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 995 996 struct kvm_irqfd { 997 __u32 fd; 998 __u32 gsi; 999 __u32 flags; 1000 __u32 resamplefd; 1001 __u8 pad[16]; 1002 }; 1003 1004 /* For KVM_CAP_ADJUST_CLOCK */ 1005 1006 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1007 #define KVM_CLOCK_TSC_STABLE 2 1008 #define KVM_CLOCK_REALTIME (1 << 2) 1009 #define KVM_CLOCK_HOST_TSC (1 << 3) 1010 1011 struct kvm_clock_data { 1012 __u64 clock; 1013 __u32 flags; 1014 __u32 pad0; 1015 __u64 realtime; 1016 __u64 host_tsc; 1017 __u32 pad[4]; 1018 }; 1019 1020 /* For KVM_CAP_SW_TLB */ 1021 1022 #define KVM_MMU_FSL_BOOKE_NOHV 0 1023 #define KVM_MMU_FSL_BOOKE_HV 1 1024 1025 struct kvm_config_tlb { 1026 __u64 params; 1027 __u64 array; 1028 __u32 mmu_type; 1029 __u32 array_len; 1030 }; 1031 1032 struct kvm_dirty_tlb { 1033 __u64 bitmap; 1034 __u32 num_dirty; 1035 }; 1036 1037 /* Available with KVM_CAP_ONE_REG */ 1038 1039 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1040 #define KVM_REG_GENERIC 0x0000000000000000ULL 1041 1042 /* 1043 * Architecture specific registers are to be defined in arch headers and 1044 * ORed with the arch identifier. 1045 */ 1046 #define KVM_REG_PPC 0x1000000000000000ULL 1047 #define KVM_REG_X86 0x2000000000000000ULL 1048 #define KVM_REG_IA64 0x3000000000000000ULL 1049 #define KVM_REG_ARM 0x4000000000000000ULL 1050 #define KVM_REG_S390 0x5000000000000000ULL 1051 #define KVM_REG_ARM64 0x6000000000000000ULL 1052 #define KVM_REG_MIPS 0x7000000000000000ULL 1053 #define KVM_REG_RISCV 0x8000000000000000ULL 1054 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1055 1056 #define KVM_REG_SIZE_SHIFT 52 1057 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1058 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1059 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1060 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1061 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1062 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1063 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1064 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1065 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1066 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1067 1068 struct kvm_reg_list { 1069 __u64 n; /* number of regs */ 1070 __u64 reg[]; 1071 }; 1072 1073 struct kvm_one_reg { 1074 __u64 id; 1075 __u64 addr; 1076 }; 1077 1078 #define KVM_MSI_VALID_DEVID (1U << 0) 1079 struct kvm_msi { 1080 __u32 address_lo; 1081 __u32 address_hi; 1082 __u32 data; 1083 __u32 flags; 1084 __u32 devid; 1085 __u8 pad[12]; 1086 }; 1087 1088 struct kvm_arm_device_addr { 1089 __u64 id; 1090 __u64 addr; 1091 }; 1092 1093 /* 1094 * Device control API, available with KVM_CAP_DEVICE_CTRL 1095 */ 1096 #define KVM_CREATE_DEVICE_TEST 1 1097 1098 struct kvm_create_device { 1099 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1100 __u32 fd; /* out: device handle */ 1101 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1102 }; 1103 1104 struct kvm_device_attr { 1105 __u32 flags; /* no flags currently defined */ 1106 __u32 group; /* device-defined */ 1107 __u64 attr; /* group-defined */ 1108 __u64 addr; /* userspace address of attr data */ 1109 }; 1110 1111 #define KVM_DEV_VFIO_FILE 1 1112 1113 #define KVM_DEV_VFIO_FILE_ADD 1 1114 #define KVM_DEV_VFIO_FILE_DEL 2 1115 1116 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1117 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1118 1119 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1120 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1121 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1122 1123 enum kvm_device_type { 1124 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1125 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1126 KVM_DEV_TYPE_FSL_MPIC_42, 1127 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1128 KVM_DEV_TYPE_XICS, 1129 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1130 KVM_DEV_TYPE_VFIO, 1131 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1132 KVM_DEV_TYPE_ARM_VGIC_V2, 1133 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1134 KVM_DEV_TYPE_FLIC, 1135 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1136 KVM_DEV_TYPE_ARM_VGIC_V3, 1137 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1138 KVM_DEV_TYPE_ARM_VGIC_ITS, 1139 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1140 KVM_DEV_TYPE_XIVE, 1141 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1142 KVM_DEV_TYPE_ARM_PV_TIME, 1143 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1144 KVM_DEV_TYPE_RISCV_AIA, 1145 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1146 KVM_DEV_TYPE_MAX, 1147 }; 1148 1149 struct kvm_vfio_spapr_tce { 1150 __s32 groupfd; 1151 __s32 tablefd; 1152 }; 1153 1154 /* 1155 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1156 * a vcpu fd. 1157 */ 1158 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1159 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1160 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1161 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1162 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1163 struct kvm_userspace_memory_region) 1164 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1165 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1166 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1167 struct kvm_userspace_memory_region2) 1168 1169 /* enable ucontrol for s390 */ 1170 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1171 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1172 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1173 1174 /* Device model IOC */ 1175 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1176 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1177 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1178 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1179 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1180 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1181 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1182 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1183 #define KVM_REGISTER_COALESCED_MMIO \ 1184 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1185 #define KVM_UNREGISTER_COALESCED_MMIO \ 1186 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1187 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1188 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1189 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1190 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1191 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1192 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1193 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1194 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1195 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1196 /* Available with KVM_CAP_PIT_STATE2 */ 1197 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1198 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1199 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1200 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1201 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1202 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1203 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1204 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1205 /* Available with KVM_CAP_SIGNAL_MSI */ 1206 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1207 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1208 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1209 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1210 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1211 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1212 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1213 struct kvm_create_spapr_tce_64) 1214 /* Available with KVM_CAP_RMA */ 1215 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1216 /* Available with KVM_CAP_PPC_HTAB_FD */ 1217 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1218 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1219 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1220 /* Available with KVM_CAP_PPC_RTAS */ 1221 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1222 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1223 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1224 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1225 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1226 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1227 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1228 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1229 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1230 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1231 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1232 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1233 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1234 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1235 /* Available with KVM_CAP_COUNTER_OFFSET */ 1236 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1237 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1238 1239 /* ioctl for vm fd */ 1240 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1241 1242 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1243 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1244 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1245 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1246 1247 /* 1248 * ioctls for vcpu fds 1249 */ 1250 #define KVM_RUN _IO(KVMIO, 0x80) 1251 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1252 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1253 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1254 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1255 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1256 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1257 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1258 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1259 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1260 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1261 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1262 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1263 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1264 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1265 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1266 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1267 /* Available with KVM_CAP_VAPIC */ 1268 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1269 /* Available with KVM_CAP_VAPIC */ 1270 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1271 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1272 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1273 /* store status for s390 */ 1274 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1275 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1276 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1277 /* initial ipl psw for s390 */ 1278 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1279 /* initial reset for s390 */ 1280 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1281 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1282 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1283 /* Available with KVM_CAP_USER_NMI */ 1284 #define KVM_NMI _IO(KVMIO, 0x9a) 1285 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1286 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1287 /* MCE for x86 */ 1288 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1289 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1290 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1291 /* Available with KVM_CAP_VCPU_EVENTS */ 1292 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1293 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1294 /* Available with KVM_CAP_DEBUGREGS */ 1295 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1296 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1297 /* 1298 * vcpu version available with KVM_CAP_ENABLE_CAP 1299 * vm version available with KVM_CAP_ENABLE_CAP_VM 1300 */ 1301 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1302 /* Available with KVM_CAP_XSAVE */ 1303 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1304 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1305 /* Available with KVM_CAP_XCRS */ 1306 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1307 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1308 /* Available with KVM_CAP_SW_TLB */ 1309 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1310 /* Available with KVM_CAP_ONE_REG */ 1311 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1312 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1313 /* VM is being stopped by host */ 1314 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1315 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1316 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1317 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1318 /* Available with KVM_CAP_S390_MEM_OP */ 1319 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1320 /* Available with KVM_CAP_S390_SKEYS */ 1321 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1322 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1323 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1324 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1325 /* Available with KVM_CAP_S390_IRQ_STATE */ 1326 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1327 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1328 /* Available with KVM_CAP_X86_SMM */ 1329 #define KVM_SMI _IO(KVMIO, 0xb7) 1330 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1331 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1332 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1333 /* Memory Encryption Commands */ 1334 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1335 1336 struct kvm_enc_region { 1337 __u64 addr; 1338 __u64 size; 1339 }; 1340 1341 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1342 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1343 1344 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1345 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1346 1347 /* Available with KVM_CAP_NESTED_STATE */ 1348 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1349 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1350 1351 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1352 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1353 1354 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1355 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1356 1357 /* Available with KVM_CAP_ARM_SVE */ 1358 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1359 1360 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1361 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1362 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1363 1364 /* Available with KVM_CAP_S390_PROTECTED */ 1365 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1366 1367 /* Available with KVM_CAP_X86_MSR_FILTER */ 1368 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1369 1370 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1371 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1372 1373 /* Per-VM Xen attributes */ 1374 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1375 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1376 1377 /* Per-vCPU Xen attributes */ 1378 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1379 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1380 1381 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1382 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1383 1384 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1385 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1386 1387 /* Available with KVM_CAP_ARM_USER_IRQ */ 1388 1389 /* Bits for run->s.regs.device_irq_level */ 1390 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1391 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1392 #define KVM_ARM_DEV_PMU (1 << 2) 1393 1394 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1395 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1396 1397 /* 1398 * Arch needs to define the macro after implementing the dirty ring 1399 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1400 * starting page offset of the dirty ring structures. 1401 */ 1402 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1403 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1404 #endif 1405 1406 /* 1407 * KVM dirty GFN flags, defined as: 1408 * 1409 * |---------------+---------------+--------------| 1410 * | bit 1 (reset) | bit 0 (dirty) | Status | 1411 * |---------------+---------------+--------------| 1412 * | 0 | 0 | Invalid GFN | 1413 * | 0 | 1 | Dirty GFN | 1414 * | 1 | X | GFN to reset | 1415 * |---------------+---------------+--------------| 1416 * 1417 * Lifecycle of a dirty GFN goes like: 1418 * 1419 * dirtied harvested reset 1420 * 00 -----------> 01 -------------> 1X -------+ 1421 * ^ | 1422 * | | 1423 * +------------------------------------------+ 1424 * 1425 * The userspace program is only responsible for the 01->1X state 1426 * conversion after harvesting an entry. Also, it must not skip any 1427 * dirty bits, so that dirty bits are always harvested in sequence. 1428 */ 1429 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1430 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1431 #define KVM_DIRTY_GFN_F_MASK 0x3 1432 1433 /* 1434 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1435 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1436 * size of the gfn buffer is decided by the first argument when 1437 * enabling KVM_CAP_DIRTY_LOG_RING. 1438 */ 1439 struct kvm_dirty_gfn { 1440 __u32 flags; 1441 __u32 slot; 1442 __u64 offset; 1443 }; 1444 1445 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1446 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1447 1448 #define KVM_PMU_CAP_DISABLE (1 << 0) 1449 1450 /** 1451 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1452 * @flags: Some extra information for header, always 0 for now. 1453 * @name_size: The size in bytes of the memory which contains statistics 1454 * name string including trailing '\0'. The memory is allocated 1455 * at the send of statistics descriptor. 1456 * @num_desc: The number of statistics the vm or vcpu has. 1457 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1458 * by vm/vcpu stats fd. 1459 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1460 * pointd by vm/vcpu stats fd. 1461 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1462 * pointed by vm/vcpu stats fd. 1463 * 1464 * This is the header userspace needs to read from stats fd before any other 1465 * readings. It is used by userspace to discover all the information about the 1466 * vm/vcpu's binary statistics. 1467 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1468 */ 1469 struct kvm_stats_header { 1470 __u32 flags; 1471 __u32 name_size; 1472 __u32 num_desc; 1473 __u32 id_offset; 1474 __u32 desc_offset; 1475 __u32 data_offset; 1476 }; 1477 1478 #define KVM_STATS_TYPE_SHIFT 0 1479 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1480 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1481 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1482 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1483 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1484 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1485 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1486 1487 #define KVM_STATS_UNIT_SHIFT 4 1488 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1489 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1490 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1491 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1492 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1493 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1494 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1495 1496 #define KVM_STATS_BASE_SHIFT 8 1497 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1498 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1499 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1500 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1501 1502 /** 1503 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1504 * @flags: Annotations of the stats, like type, unit, etc. 1505 * @exponent: Used together with @flags to determine the unit. 1506 * @size: The number of data items for this stats. 1507 * Every data item is of type __u64. 1508 * @offset: The offset of the stats to the start of stat structure in 1509 * structure kvm or kvm_vcpu. 1510 * @bucket_size: A parameter value used for histogram stats. It is only used 1511 * for linear histogram stats, specifying the size of the bucket; 1512 * @name: The name string for the stats. Its size is indicated by the 1513 * &kvm_stats_header->name_size. 1514 */ 1515 struct kvm_stats_desc { 1516 __u32 flags; 1517 __s16 exponent; 1518 __u16 size; 1519 __u32 offset; 1520 __u32 bucket_size; 1521 char name[]; 1522 }; 1523 1524 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1525 1526 /* Available with KVM_CAP_XSAVE2 */ 1527 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1528 1529 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1530 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1531 1532 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1533 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1534 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1535 1536 /* Available with KVM_CAP_S390_ZPCI_OP */ 1537 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1538 1539 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1540 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1541 1542 struct kvm_memory_attributes { 1543 __u64 address; 1544 __u64 size; 1545 __u64 attributes; 1546 __u64 flags; 1547 }; 1548 1549 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1550 1551 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1552 1553 struct kvm_create_guest_memfd { 1554 __u64 size; 1555 __u64 flags; 1556 __u64 reserved[6]; 1557 }; 1558 1559 #endif /* __LINUX_KVM_H */ 1560