1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 #include <linux/compiler.h> 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* 20 * Backwards-compatible definitions. 21 */ 22 #define __KVM_HAVE_GUEST_DEBUG 23 24 /* for KVM_SET_USER_MEMORY_REGION */ 25 struct kvm_userspace_memory_region { 26 __u32 slot; 27 __u32 flags; 28 __u64 guest_phys_addr; 29 __u64 memory_size; /* bytes */ 30 __u64 userspace_addr; /* start of the userspace allocated memory */ 31 }; 32 33 /* for KVM_SET_USER_MEMORY_REGION2 */ 34 struct kvm_userspace_memory_region2 { 35 __u32 slot; 36 __u32 flags; 37 __u64 guest_phys_addr; 38 __u64 memory_size; 39 __u64 userspace_addr; 40 __u64 guest_memfd_offset; 41 __u32 guest_memfd; 42 __u32 pad1; 43 __u64 pad2[14]; 44 }; 45 46 /* 47 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 48 * userspace, other bits are reserved for kvm internal use which are defined 49 * in include/linux/kvm_host.h. 50 */ 51 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 52 #define KVM_MEM_READONLY (1UL << 1) 53 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 54 55 /* for KVM_IRQ_LINE */ 56 struct kvm_irq_level { 57 /* 58 * ACPI gsi notion of irq. 59 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 60 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 61 * For ARM: See Documentation/virt/kvm/api.rst 62 */ 63 union { 64 __u32 irq; 65 __s32 status; 66 }; 67 __u32 level; 68 }; 69 70 71 struct kvm_irqchip { 72 __u32 chip_id; 73 __u32 pad; 74 union { 75 char dummy[512]; /* reserving space */ 76 #ifdef __KVM_HAVE_PIT 77 struct kvm_pic_state pic; 78 #endif 79 #ifdef __KVM_HAVE_IOAPIC 80 struct kvm_ioapic_state ioapic; 81 #endif 82 } chip; 83 }; 84 85 /* for KVM_CREATE_PIT2 */ 86 struct kvm_pit_config { 87 __u32 flags; 88 __u32 pad[15]; 89 }; 90 91 #define KVM_PIT_SPEAKER_DUMMY 1 92 93 struct kvm_hyperv_exit { 94 #define KVM_EXIT_HYPERV_SYNIC 1 95 #define KVM_EXIT_HYPERV_HCALL 2 96 #define KVM_EXIT_HYPERV_SYNDBG 3 97 __u32 type; 98 __u32 pad1; 99 union { 100 struct { 101 __u32 msr; 102 __u32 pad2; 103 __u64 control; 104 __u64 evt_page; 105 __u64 msg_page; 106 } synic; 107 struct { 108 __u64 input; 109 __u64 result; 110 __u64 params[2]; 111 } hcall; 112 struct { 113 __u32 msr; 114 __u32 pad2; 115 __u64 control; 116 __u64 status; 117 __u64 send_page; 118 __u64 recv_page; 119 __u64 pending_page; 120 } syndbg; 121 } u; 122 }; 123 124 struct kvm_xen_exit { 125 #define KVM_EXIT_XEN_HCALL 1 126 __u32 type; 127 union { 128 struct { 129 __u32 longmode; 130 __u32 cpl; 131 __u64 input; 132 __u64 result; 133 __u64 params[6]; 134 } hcall; 135 } u; 136 }; 137 138 #define KVM_S390_GET_SKEYS_NONE 1 139 #define KVM_S390_SKEYS_MAX 1048576 140 141 #define KVM_EXIT_UNKNOWN 0 142 #define KVM_EXIT_EXCEPTION 1 143 #define KVM_EXIT_IO 2 144 #define KVM_EXIT_HYPERCALL 3 145 #define KVM_EXIT_DEBUG 4 146 #define KVM_EXIT_HLT 5 147 #define KVM_EXIT_MMIO 6 148 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 149 #define KVM_EXIT_SHUTDOWN 8 150 #define KVM_EXIT_FAIL_ENTRY 9 151 #define KVM_EXIT_INTR 10 152 #define KVM_EXIT_SET_TPR 11 153 #define KVM_EXIT_TPR_ACCESS 12 154 #define KVM_EXIT_S390_SIEIC 13 155 #define KVM_EXIT_S390_RESET 14 156 #define KVM_EXIT_DCR 15 /* deprecated */ 157 #define KVM_EXIT_NMI 16 158 #define KVM_EXIT_INTERNAL_ERROR 17 159 #define KVM_EXIT_OSI 18 160 #define KVM_EXIT_PAPR_HCALL 19 161 #define KVM_EXIT_S390_UCONTROL 20 162 #define KVM_EXIT_WATCHDOG 21 163 #define KVM_EXIT_S390_TSCH 22 164 #define KVM_EXIT_EPR 23 165 #define KVM_EXIT_SYSTEM_EVENT 24 166 #define KVM_EXIT_S390_STSI 25 167 #define KVM_EXIT_IOAPIC_EOI 26 168 #define KVM_EXIT_HYPERV 27 169 #define KVM_EXIT_ARM_NISV 28 170 #define KVM_EXIT_X86_RDMSR 29 171 #define KVM_EXIT_X86_WRMSR 30 172 #define KVM_EXIT_DIRTY_RING_FULL 31 173 #define KVM_EXIT_AP_RESET_HOLD 32 174 #define KVM_EXIT_X86_BUS_LOCK 33 175 #define KVM_EXIT_XEN 34 176 #define KVM_EXIT_RISCV_SBI 35 177 #define KVM_EXIT_RISCV_CSR 36 178 #define KVM_EXIT_NOTIFY 37 179 #define KVM_EXIT_LOONGARCH_IOCSR 38 180 #define KVM_EXIT_MEMORY_FAULT 39 181 182 /* For KVM_EXIT_INTERNAL_ERROR */ 183 /* Emulate instruction failed. */ 184 #define KVM_INTERNAL_ERROR_EMULATION 1 185 /* Encounter unexpected simultaneous exceptions. */ 186 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 187 /* Encounter unexpected vm-exit due to delivery event. */ 188 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 189 /* Encounter unexpected vm-exit reason */ 190 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 191 192 /* Flags that describe what fields in emulation_failure hold valid data. */ 193 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 194 195 /* 196 * struct kvm_run can be modified by userspace at any time, so KVM must be 197 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM() 198 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when 199 * compiled into the kernel, ensuring that any use within KVM is obvious and 200 * gets extra scrutiny. 201 */ 202 #ifdef __KERNEL__ 203 #define HINT_UNSAFE_IN_KVM(_symbol) _symbol##__unsafe 204 #else 205 #define HINT_UNSAFE_IN_KVM(_symbol) _symbol 206 #endif 207 208 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 209 struct kvm_run { 210 /* in */ 211 __u8 request_interrupt_window; 212 __u8 HINT_UNSAFE_IN_KVM(immediate_exit); 213 __u8 padding1[6]; 214 215 /* out */ 216 __u32 exit_reason; 217 __u8 ready_for_interrupt_injection; 218 __u8 if_flag; 219 __u16 flags; 220 221 /* in (pre_kvm_run), out (post_kvm_run) */ 222 __u64 cr8; 223 __u64 apic_base; 224 225 #ifdef __KVM_S390 226 /* the processor status word for s390 */ 227 __u64 psw_mask; /* psw upper half */ 228 __u64 psw_addr; /* psw lower half */ 229 #endif 230 union { 231 /* KVM_EXIT_UNKNOWN */ 232 struct { 233 __u64 hardware_exit_reason; 234 } hw; 235 /* KVM_EXIT_FAIL_ENTRY */ 236 struct { 237 __u64 hardware_entry_failure_reason; 238 __u32 cpu; 239 } fail_entry; 240 /* KVM_EXIT_EXCEPTION */ 241 struct { 242 __u32 exception; 243 __u32 error_code; 244 } ex; 245 /* KVM_EXIT_IO */ 246 struct { 247 #define KVM_EXIT_IO_IN 0 248 #define KVM_EXIT_IO_OUT 1 249 __u8 direction; 250 __u8 size; /* bytes */ 251 __u16 port; 252 __u32 count; 253 __u64 data_offset; /* relative to kvm_run start */ 254 } io; 255 /* KVM_EXIT_DEBUG */ 256 struct { 257 struct kvm_debug_exit_arch arch; 258 } debug; 259 /* KVM_EXIT_MMIO */ 260 struct { 261 __u64 phys_addr; 262 __u8 data[8]; 263 __u32 len; 264 __u8 is_write; 265 } mmio; 266 /* KVM_EXIT_LOONGARCH_IOCSR */ 267 struct { 268 __u64 phys_addr; 269 __u8 data[8]; 270 __u32 len; 271 __u8 is_write; 272 } iocsr_io; 273 /* KVM_EXIT_HYPERCALL */ 274 struct { 275 __u64 nr; 276 __u64 args[6]; 277 __u64 ret; 278 279 union { 280 #ifndef __KERNEL__ 281 __u32 longmode; 282 #endif 283 __u64 flags; 284 }; 285 } hypercall; 286 /* KVM_EXIT_TPR_ACCESS */ 287 struct { 288 __u64 rip; 289 __u32 is_write; 290 __u32 pad; 291 } tpr_access; 292 /* KVM_EXIT_S390_SIEIC */ 293 struct { 294 __u8 icptcode; 295 __u16 ipa; 296 __u32 ipb; 297 } s390_sieic; 298 /* KVM_EXIT_S390_RESET */ 299 __u64 s390_reset_flags; 300 /* KVM_EXIT_S390_UCONTROL */ 301 struct { 302 __u64 trans_exc_code; 303 __u32 pgm_code; 304 } s390_ucontrol; 305 /* KVM_EXIT_DCR (deprecated) */ 306 struct { 307 __u32 dcrn; 308 __u32 data; 309 __u8 is_write; 310 } dcr; 311 /* KVM_EXIT_INTERNAL_ERROR */ 312 struct { 313 __u32 suberror; 314 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 315 __u32 ndata; 316 __u64 data[16]; 317 } internal; 318 /* 319 * KVM_INTERNAL_ERROR_EMULATION 320 * 321 * "struct emulation_failure" is an overlay of "struct internal" 322 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 323 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 324 * sub-types, this struct is ABI! It also needs to be backwards 325 * compatible with "struct internal". Take special care that 326 * "ndata" is correct, that new fields are enumerated in "flags", 327 * and that each flag enumerates fields that are 64-bit aligned 328 * and sized (so that ndata+internal.data[] is valid/accurate). 329 * 330 * Space beyond the defined fields may be used to store arbitrary 331 * debug information relating to the emulation failure. It is 332 * accounted for in "ndata" but the format is unspecified and is 333 * not represented in "flags". Any such information is *not* ABI! 334 */ 335 struct { 336 __u32 suberror; 337 __u32 ndata; 338 __u64 flags; 339 union { 340 struct { 341 __u8 insn_size; 342 __u8 insn_bytes[15]; 343 }; 344 }; 345 /* Arbitrary debug data may follow. */ 346 } emulation_failure; 347 /* KVM_EXIT_OSI */ 348 struct { 349 __u64 gprs[32]; 350 } osi; 351 /* KVM_EXIT_PAPR_HCALL */ 352 struct { 353 __u64 nr; 354 __u64 ret; 355 __u64 args[9]; 356 } papr_hcall; 357 /* KVM_EXIT_S390_TSCH */ 358 struct { 359 __u16 subchannel_id; 360 __u16 subchannel_nr; 361 __u32 io_int_parm; 362 __u32 io_int_word; 363 __u32 ipb; 364 __u8 dequeued; 365 } s390_tsch; 366 /* KVM_EXIT_EPR */ 367 struct { 368 __u32 epr; 369 } epr; 370 /* KVM_EXIT_SYSTEM_EVENT */ 371 struct { 372 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 373 #define KVM_SYSTEM_EVENT_RESET 2 374 #define KVM_SYSTEM_EVENT_CRASH 3 375 #define KVM_SYSTEM_EVENT_WAKEUP 4 376 #define KVM_SYSTEM_EVENT_SUSPEND 5 377 #define KVM_SYSTEM_EVENT_SEV_TERM 6 378 __u32 type; 379 __u32 ndata; 380 union { 381 #ifndef __KERNEL__ 382 __u64 flags; 383 #endif 384 __u64 data[16]; 385 }; 386 } system_event; 387 /* KVM_EXIT_S390_STSI */ 388 struct { 389 __u64 addr; 390 __u8 ar; 391 __u8 reserved; 392 __u8 fc; 393 __u8 sel1; 394 __u16 sel2; 395 } s390_stsi; 396 /* KVM_EXIT_IOAPIC_EOI */ 397 struct { 398 __u8 vector; 399 } eoi; 400 /* KVM_EXIT_HYPERV */ 401 struct kvm_hyperv_exit hyperv; 402 /* KVM_EXIT_ARM_NISV */ 403 struct { 404 __u64 esr_iss; 405 __u64 fault_ipa; 406 } arm_nisv; 407 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 408 struct { 409 __u8 error; /* user -> kernel */ 410 __u8 pad[7]; 411 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 412 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 413 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 414 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 415 KVM_MSR_EXIT_REASON_UNKNOWN | \ 416 KVM_MSR_EXIT_REASON_FILTER) 417 __u32 reason; /* kernel -> user */ 418 __u32 index; /* kernel -> user */ 419 __u64 data; /* kernel <-> user */ 420 } msr; 421 /* KVM_EXIT_XEN */ 422 struct kvm_xen_exit xen; 423 /* KVM_EXIT_RISCV_SBI */ 424 struct { 425 unsigned long extension_id; 426 unsigned long function_id; 427 unsigned long args[6]; 428 unsigned long ret[2]; 429 } riscv_sbi; 430 /* KVM_EXIT_RISCV_CSR */ 431 struct { 432 unsigned long csr_num; 433 unsigned long new_value; 434 unsigned long write_mask; 435 unsigned long ret_value; 436 } riscv_csr; 437 /* KVM_EXIT_NOTIFY */ 438 struct { 439 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 440 __u32 flags; 441 } notify; 442 /* KVM_EXIT_MEMORY_FAULT */ 443 struct { 444 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 445 __u64 flags; 446 __u64 gpa; 447 __u64 size; 448 } memory_fault; 449 /* Fix the size of the union. */ 450 char padding[256]; 451 }; 452 453 /* 2048 is the size of the char array used to bound/pad the size 454 * of the union that holds sync regs. 455 */ 456 #define SYNC_REGS_SIZE_BYTES 2048 457 /* 458 * shared registers between kvm and userspace. 459 * kvm_valid_regs specifies the register classes set by the host 460 * kvm_dirty_regs specified the register classes dirtied by userspace 461 * struct kvm_sync_regs is architecture specific, as well as the 462 * bits for kvm_valid_regs and kvm_dirty_regs 463 */ 464 __u64 kvm_valid_regs; 465 __u64 kvm_dirty_regs; 466 union { 467 struct kvm_sync_regs regs; 468 char padding[SYNC_REGS_SIZE_BYTES]; 469 } s; 470 }; 471 472 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 473 474 struct kvm_coalesced_mmio_zone { 475 __u64 addr; 476 __u32 size; 477 union { 478 __u32 pad; 479 __u32 pio; 480 }; 481 }; 482 483 struct kvm_coalesced_mmio { 484 __u64 phys_addr; 485 __u32 len; 486 union { 487 __u32 pad; 488 __u32 pio; 489 }; 490 __u8 data[8]; 491 }; 492 493 struct kvm_coalesced_mmio_ring { 494 __u32 first, last; 495 struct kvm_coalesced_mmio coalesced_mmio[]; 496 }; 497 498 #define KVM_COALESCED_MMIO_MAX \ 499 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 500 sizeof(struct kvm_coalesced_mmio)) 501 502 /* for KVM_TRANSLATE */ 503 struct kvm_translation { 504 /* in */ 505 __u64 linear_address; 506 507 /* out */ 508 __u64 physical_address; 509 __u8 valid; 510 __u8 writeable; 511 __u8 usermode; 512 __u8 pad[5]; 513 }; 514 515 /* for KVM_INTERRUPT */ 516 struct kvm_interrupt { 517 /* in */ 518 __u32 irq; 519 }; 520 521 /* for KVM_GET_DIRTY_LOG */ 522 struct kvm_dirty_log { 523 __u32 slot; 524 __u32 padding1; 525 union { 526 void __user *dirty_bitmap; /* one bit per page */ 527 __u64 padding2; 528 }; 529 }; 530 531 /* for KVM_CLEAR_DIRTY_LOG */ 532 struct kvm_clear_dirty_log { 533 __u32 slot; 534 __u32 num_pages; 535 __u64 first_page; 536 union { 537 void __user *dirty_bitmap; /* one bit per page */ 538 __u64 padding2; 539 }; 540 }; 541 542 /* for KVM_SET_SIGNAL_MASK */ 543 struct kvm_signal_mask { 544 __u32 len; 545 __u8 sigset[]; 546 }; 547 548 /* for KVM_TPR_ACCESS_REPORTING */ 549 struct kvm_tpr_access_ctl { 550 __u32 enabled; 551 __u32 flags; 552 __u32 reserved[8]; 553 }; 554 555 /* for KVM_SET_VAPIC_ADDR */ 556 struct kvm_vapic_addr { 557 __u64 vapic_addr; 558 }; 559 560 /* for KVM_SET_MP_STATE */ 561 562 /* not all states are valid on all architectures */ 563 #define KVM_MP_STATE_RUNNABLE 0 564 #define KVM_MP_STATE_UNINITIALIZED 1 565 #define KVM_MP_STATE_INIT_RECEIVED 2 566 #define KVM_MP_STATE_HALTED 3 567 #define KVM_MP_STATE_SIPI_RECEIVED 4 568 #define KVM_MP_STATE_STOPPED 5 569 #define KVM_MP_STATE_CHECK_STOP 6 570 #define KVM_MP_STATE_OPERATING 7 571 #define KVM_MP_STATE_LOAD 8 572 #define KVM_MP_STATE_AP_RESET_HOLD 9 573 #define KVM_MP_STATE_SUSPENDED 10 574 575 struct kvm_mp_state { 576 __u32 mp_state; 577 }; 578 579 /* for KVM_SET_GUEST_DEBUG */ 580 581 #define KVM_GUESTDBG_ENABLE 0x00000001 582 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 583 584 struct kvm_guest_debug { 585 __u32 control; 586 __u32 pad; 587 struct kvm_guest_debug_arch arch; 588 }; 589 590 enum { 591 kvm_ioeventfd_flag_nr_datamatch, 592 kvm_ioeventfd_flag_nr_pio, 593 kvm_ioeventfd_flag_nr_deassign, 594 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 595 kvm_ioeventfd_flag_nr_fast_mmio, 596 kvm_ioeventfd_flag_nr_max, 597 }; 598 599 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 600 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 601 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 602 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 603 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 604 605 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 606 607 struct kvm_ioeventfd { 608 __u64 datamatch; 609 __u64 addr; /* legal pio/mmio address */ 610 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 611 __s32 fd; 612 __u32 flags; 613 __u8 pad[36]; 614 }; 615 616 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 617 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 618 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 619 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 620 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 621 KVM_X86_DISABLE_EXITS_HLT | \ 622 KVM_X86_DISABLE_EXITS_PAUSE | \ 623 KVM_X86_DISABLE_EXITS_CSTATE) 624 625 /* for KVM_ENABLE_CAP */ 626 struct kvm_enable_cap { 627 /* in */ 628 __u32 cap; 629 __u32 flags; 630 __u64 args[4]; 631 __u8 pad[64]; 632 }; 633 634 #define KVMIO 0xAE 635 636 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 637 #define KVM_VM_S390_UCONTROL 1 638 639 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 640 #define KVM_VM_PPC_HV 1 641 #define KVM_VM_PPC_PR 2 642 643 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 644 #define KVM_VM_MIPS_AUTO 0 645 #define KVM_VM_MIPS_VZ 1 646 #define KVM_VM_MIPS_TE 2 647 648 #define KVM_S390_SIE_PAGE_OFFSET 1 649 650 /* 651 * On arm64, machine type can be used to request the physical 652 * address size for the VM. Bits[7-0] are reserved for the guest 653 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 654 * value 0 implies the default IPA size, 40bits. 655 */ 656 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 657 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 658 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 659 660 #define KVM_VM_TYPE_ARM_PROTECTED (1UL << 31) 661 662 #define KVM_VM_TYPE_MASK (KVM_VM_TYPE_ARM_IPA_SIZE_MASK | \ 663 KVM_VM_TYPE_ARM_PROTECTED) 664 665 /* 666 * ioctls for /dev/kvm fds: 667 */ 668 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 669 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 670 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 671 672 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 673 /* 674 * Check if a kvm extension is available. Argument is extension number, 675 * return is 1 (yes) or 0 (no, sorry). 676 */ 677 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 678 /* 679 * Get size for mmap(vcpu_fd) 680 */ 681 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 682 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 683 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 684 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 685 686 /* 687 * Extension capability list. 688 */ 689 #define KVM_CAP_IRQCHIP 0 690 #define KVM_CAP_HLT 1 691 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 692 #define KVM_CAP_USER_MEMORY 3 693 #define KVM_CAP_SET_TSS_ADDR 4 694 #define KVM_CAP_VAPIC 6 695 #define KVM_CAP_EXT_CPUID 7 696 #define KVM_CAP_CLOCKSOURCE 8 697 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 698 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 699 #define KVM_CAP_PIT 11 700 #define KVM_CAP_NOP_IO_DELAY 12 701 #define KVM_CAP_PV_MMU 13 702 #define KVM_CAP_MP_STATE 14 703 #define KVM_CAP_COALESCED_MMIO 15 704 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 705 #define KVM_CAP_IOMMU 18 706 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 707 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 708 #define KVM_CAP_USER_NMI 22 709 #define KVM_CAP_SET_GUEST_DEBUG 23 710 #ifdef __KVM_HAVE_PIT 711 #define KVM_CAP_REINJECT_CONTROL 24 712 #endif 713 #define KVM_CAP_IRQ_ROUTING 25 714 #define KVM_CAP_IRQ_INJECT_STATUS 26 715 #define KVM_CAP_ASSIGN_DEV_IRQ 29 716 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 717 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 718 #ifdef __KVM_HAVE_MCE 719 #define KVM_CAP_MCE 31 720 #endif 721 #define KVM_CAP_IRQFD 32 722 #ifdef __KVM_HAVE_PIT 723 #define KVM_CAP_PIT2 33 724 #endif 725 #define KVM_CAP_SET_BOOT_CPU_ID 34 726 #ifdef __KVM_HAVE_PIT_STATE2 727 #define KVM_CAP_PIT_STATE2 35 728 #endif 729 #define KVM_CAP_IOEVENTFD 36 730 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 731 #ifdef __KVM_HAVE_XEN_HVM 732 #define KVM_CAP_XEN_HVM 38 733 #endif 734 #define KVM_CAP_ADJUST_CLOCK 39 735 #define KVM_CAP_INTERNAL_ERROR_DATA 40 736 #ifdef __KVM_HAVE_VCPU_EVENTS 737 #define KVM_CAP_VCPU_EVENTS 41 738 #endif 739 #define KVM_CAP_S390_PSW 42 740 #define KVM_CAP_PPC_SEGSTATE 43 741 #define KVM_CAP_HYPERV 44 742 #define KVM_CAP_HYPERV_VAPIC 45 743 #define KVM_CAP_HYPERV_SPIN 46 744 #define KVM_CAP_PCI_SEGMENT 47 745 #define KVM_CAP_PPC_PAIRED_SINGLES 48 746 #define KVM_CAP_INTR_SHADOW 49 747 #ifdef __KVM_HAVE_DEBUGREGS 748 #define KVM_CAP_DEBUGREGS 50 749 #endif 750 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 751 #define KVM_CAP_PPC_OSI 52 752 #define KVM_CAP_PPC_UNSET_IRQ 53 753 #define KVM_CAP_ENABLE_CAP 54 754 #ifdef __KVM_HAVE_XSAVE 755 #define KVM_CAP_XSAVE 55 756 #endif 757 #ifdef __KVM_HAVE_XCRS 758 #define KVM_CAP_XCRS 56 759 #endif 760 #define KVM_CAP_PPC_GET_PVINFO 57 761 #define KVM_CAP_PPC_IRQ_LEVEL 58 762 #define KVM_CAP_ASYNC_PF 59 763 #define KVM_CAP_TSC_CONTROL 60 764 #define KVM_CAP_GET_TSC_KHZ 61 765 #define KVM_CAP_PPC_BOOKE_SREGS 62 766 #define KVM_CAP_SPAPR_TCE 63 767 #define KVM_CAP_PPC_SMT 64 768 #define KVM_CAP_PPC_RMA 65 769 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 770 #define KVM_CAP_PPC_HIOR 67 771 #define KVM_CAP_PPC_PAPR 68 772 #define KVM_CAP_SW_TLB 69 773 #define KVM_CAP_ONE_REG 70 774 #define KVM_CAP_S390_GMAP 71 775 #define KVM_CAP_TSC_DEADLINE_TIMER 72 776 #define KVM_CAP_S390_UCONTROL 73 777 #define KVM_CAP_SYNC_REGS 74 778 #define KVM_CAP_PCI_2_3 75 779 #define KVM_CAP_KVMCLOCK_CTRL 76 780 #define KVM_CAP_SIGNAL_MSI 77 781 #define KVM_CAP_PPC_GET_SMMU_INFO 78 782 #define KVM_CAP_S390_COW 79 783 #define KVM_CAP_PPC_ALLOC_HTAB 80 784 #define KVM_CAP_READONLY_MEM 81 785 #define KVM_CAP_IRQFD_RESAMPLE 82 786 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 787 #define KVM_CAP_PPC_HTAB_FD 84 788 #define KVM_CAP_S390_CSS_SUPPORT 85 789 #define KVM_CAP_PPC_EPR 86 790 #define KVM_CAP_ARM_PSCI 87 791 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 792 #define KVM_CAP_DEVICE_CTRL 89 793 #define KVM_CAP_IRQ_MPIC 90 794 #define KVM_CAP_PPC_RTAS 91 795 #define KVM_CAP_IRQ_XICS 92 796 #define KVM_CAP_ARM_EL1_32BIT 93 797 #define KVM_CAP_SPAPR_MULTITCE 94 798 #define KVM_CAP_EXT_EMUL_CPUID 95 799 #define KVM_CAP_HYPERV_TIME 96 800 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 801 #define KVM_CAP_ENABLE_CAP_VM 98 802 #define KVM_CAP_S390_IRQCHIP 99 803 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 804 #define KVM_CAP_VM_ATTRIBUTES 101 805 #define KVM_CAP_ARM_PSCI_0_2 102 806 #define KVM_CAP_PPC_FIXUP_HCALL 103 807 #define KVM_CAP_PPC_ENABLE_HCALL 104 808 #define KVM_CAP_CHECK_EXTENSION_VM 105 809 #define KVM_CAP_S390_USER_SIGP 106 810 #define KVM_CAP_S390_VECTOR_REGISTERS 107 811 #define KVM_CAP_S390_MEM_OP 108 812 #define KVM_CAP_S390_USER_STSI 109 813 #define KVM_CAP_S390_SKEYS 110 814 #define KVM_CAP_MIPS_FPU 111 815 #define KVM_CAP_MIPS_MSA 112 816 #define KVM_CAP_S390_INJECT_IRQ 113 817 #define KVM_CAP_S390_IRQ_STATE 114 818 #define KVM_CAP_PPC_HWRNG 115 819 #define KVM_CAP_DISABLE_QUIRKS 116 820 #define KVM_CAP_X86_SMM 117 821 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 822 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 823 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 824 #define KVM_CAP_SPLIT_IRQCHIP 121 825 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 826 #define KVM_CAP_HYPERV_SYNIC 123 827 #define KVM_CAP_S390_RI 124 828 #define KVM_CAP_SPAPR_TCE_64 125 829 #define KVM_CAP_ARM_PMU_V3 126 830 #define KVM_CAP_VCPU_ATTRIBUTES 127 831 #define KVM_CAP_MAX_VCPU_ID 128 832 #define KVM_CAP_X2APIC_API 129 833 #define KVM_CAP_S390_USER_INSTR0 130 834 #define KVM_CAP_MSI_DEVID 131 835 #define KVM_CAP_PPC_HTM 132 836 #define KVM_CAP_SPAPR_RESIZE_HPT 133 837 #define KVM_CAP_PPC_MMU_RADIX 134 838 #define KVM_CAP_PPC_MMU_HASH_V3 135 839 #define KVM_CAP_IMMEDIATE_EXIT 136 840 #define KVM_CAP_MIPS_VZ 137 841 #define KVM_CAP_MIPS_TE 138 842 #define KVM_CAP_MIPS_64BIT 139 843 #define KVM_CAP_S390_GS 140 844 #define KVM_CAP_S390_AIS 141 845 #define KVM_CAP_SPAPR_TCE_VFIO 142 846 #define KVM_CAP_X86_DISABLE_EXITS 143 847 #define KVM_CAP_ARM_USER_IRQ 144 848 #define KVM_CAP_S390_CMMA_MIGRATION 145 849 #define KVM_CAP_PPC_FWNMI 146 850 #define KVM_CAP_PPC_SMT_POSSIBLE 147 851 #define KVM_CAP_HYPERV_SYNIC2 148 852 #define KVM_CAP_HYPERV_VP_INDEX 149 853 #define KVM_CAP_S390_AIS_MIGRATION 150 854 #define KVM_CAP_PPC_GET_CPU_CHAR 151 855 #define KVM_CAP_S390_BPB 152 856 #define KVM_CAP_GET_MSR_FEATURES 153 857 #define KVM_CAP_HYPERV_EVENTFD 154 858 #define KVM_CAP_HYPERV_TLBFLUSH 155 859 #define KVM_CAP_S390_HPAGE_1M 156 860 #define KVM_CAP_NESTED_STATE 157 861 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 862 #define KVM_CAP_MSR_PLATFORM_INFO 159 863 #define KVM_CAP_PPC_NESTED_HV 160 864 #define KVM_CAP_HYPERV_SEND_IPI 161 865 #define KVM_CAP_COALESCED_PIO 162 866 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 867 #define KVM_CAP_EXCEPTION_PAYLOAD 164 868 #define KVM_CAP_ARM_VM_IPA_SIZE 165 869 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 870 #define KVM_CAP_HYPERV_CPUID 167 871 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 872 #define KVM_CAP_PPC_IRQ_XIVE 169 873 #define KVM_CAP_ARM_SVE 170 874 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 875 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 876 #define KVM_CAP_PMU_EVENT_FILTER 173 877 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 878 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 879 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 880 #define KVM_CAP_ARM_NISV_TO_USER 177 881 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 882 #define KVM_CAP_S390_VCPU_RESETS 179 883 #define KVM_CAP_S390_PROTECTED 180 884 #define KVM_CAP_PPC_SECURE_GUEST 181 885 #define KVM_CAP_HALT_POLL 182 886 #define KVM_CAP_ASYNC_PF_INT 183 887 #define KVM_CAP_LAST_CPU 184 888 #define KVM_CAP_SMALLER_MAXPHYADDR 185 889 #define KVM_CAP_S390_DIAG318 186 890 #define KVM_CAP_STEAL_TIME 187 891 #define KVM_CAP_X86_USER_SPACE_MSR 188 892 #define KVM_CAP_X86_MSR_FILTER 189 893 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 894 #define KVM_CAP_SYS_HYPERV_CPUID 191 895 #define KVM_CAP_DIRTY_LOG_RING 192 896 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 897 #define KVM_CAP_PPC_DAWR1 194 898 #define KVM_CAP_SET_GUEST_DEBUG2 195 899 #define KVM_CAP_SGX_ATTRIBUTE 196 900 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 901 #define KVM_CAP_PTP_KVM 198 902 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 903 #define KVM_CAP_SREGS2 200 904 #define KVM_CAP_EXIT_HYPERCALL 201 905 #define KVM_CAP_PPC_RPT_INVALIDATE 202 906 #define KVM_CAP_BINARY_STATS_FD 203 907 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 908 #define KVM_CAP_ARM_MTE 205 909 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 910 #define KVM_CAP_VM_GPA_BITS 207 911 #define KVM_CAP_XSAVE2 208 912 #define KVM_CAP_SYS_ATTRIBUTES 209 913 #define KVM_CAP_PPC_AIL_MODE_3 210 914 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 915 #define KVM_CAP_PMU_CAPABILITY 212 916 #define KVM_CAP_DISABLE_QUIRKS2 213 917 #define KVM_CAP_VM_TSC_CONTROL 214 918 #define KVM_CAP_SYSTEM_EVENT_DATA 215 919 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 920 #define KVM_CAP_S390_PROTECTED_DUMP 217 921 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 922 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 923 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 924 #define KVM_CAP_S390_ZPCI_OP 221 925 #define KVM_CAP_S390_CPU_TOPOLOGY 222 926 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 927 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 928 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 929 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 930 #define KVM_CAP_COUNTER_OFFSET 227 931 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 932 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 933 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 934 #define KVM_CAP_USER_MEMORY2 231 935 #define KVM_CAP_MEMORY_FAULT_INFO 232 936 #define KVM_CAP_MEMORY_ATTRIBUTES 233 937 #define KVM_CAP_GUEST_MEMFD 234 938 #define KVM_CAP_VM_TYPES 235 939 #define KVM_CAP_PRE_FAULT_MEMORY 236 940 #define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237 941 #define KVM_CAP_X86_GUEST_MODE 238 942 943 #define KVM_CAP_ARM_PROTECTED_VM 0xffbadab1 944 945 struct kvm_irq_routing_irqchip { 946 __u32 irqchip; 947 __u32 pin; 948 }; 949 950 struct kvm_irq_routing_msi { 951 __u32 address_lo; 952 __u32 address_hi; 953 __u32 data; 954 union { 955 __u32 pad; 956 __u32 devid; 957 }; 958 }; 959 960 struct kvm_irq_routing_s390_adapter { 961 __u64 ind_addr; 962 __u64 summary_addr; 963 __u64 ind_offset; 964 __u32 summary_offset; 965 __u32 adapter_id; 966 }; 967 968 struct kvm_irq_routing_hv_sint { 969 __u32 vcpu; 970 __u32 sint; 971 }; 972 973 struct kvm_irq_routing_xen_evtchn { 974 __u32 port; 975 __u32 vcpu; 976 __u32 priority; 977 }; 978 979 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 980 981 /* gsi routing entry types */ 982 #define KVM_IRQ_ROUTING_IRQCHIP 1 983 #define KVM_IRQ_ROUTING_MSI 2 984 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 985 #define KVM_IRQ_ROUTING_HV_SINT 4 986 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 987 988 struct kvm_irq_routing_entry { 989 __u32 gsi; 990 __u32 type; 991 __u32 flags; 992 __u32 pad; 993 union { 994 struct kvm_irq_routing_irqchip irqchip; 995 struct kvm_irq_routing_msi msi; 996 struct kvm_irq_routing_s390_adapter adapter; 997 struct kvm_irq_routing_hv_sint hv_sint; 998 struct kvm_irq_routing_xen_evtchn xen_evtchn; 999 __u32 pad[8]; 1000 } u; 1001 }; 1002 1003 struct kvm_irq_routing { 1004 __u32 nr; 1005 __u32 flags; 1006 struct kvm_irq_routing_entry entries[]; 1007 }; 1008 1009 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1010 /* 1011 * Available with KVM_CAP_IRQFD_RESAMPLE 1012 * 1013 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1014 * the irqfd to operate in resampling mode for level triggered interrupt 1015 * emulation. See Documentation/virt/kvm/api.rst. 1016 */ 1017 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1018 1019 struct kvm_irqfd { 1020 __u32 fd; 1021 __u32 gsi; 1022 __u32 flags; 1023 __u32 resamplefd; 1024 __u8 pad[16]; 1025 }; 1026 1027 /* For KVM_CAP_ADJUST_CLOCK */ 1028 1029 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1030 #define KVM_CLOCK_TSC_STABLE 2 1031 #define KVM_CLOCK_REALTIME (1 << 2) 1032 #define KVM_CLOCK_HOST_TSC (1 << 3) 1033 1034 struct kvm_clock_data { 1035 __u64 clock; 1036 __u32 flags; 1037 __u32 pad0; 1038 __u64 realtime; 1039 __u64 host_tsc; 1040 __u32 pad[4]; 1041 }; 1042 1043 /* For KVM_CAP_SW_TLB */ 1044 1045 #define KVM_MMU_FSL_BOOKE_NOHV 0 1046 #define KVM_MMU_FSL_BOOKE_HV 1 1047 1048 struct kvm_config_tlb { 1049 __u64 params; 1050 __u64 array; 1051 __u32 mmu_type; 1052 __u32 array_len; 1053 }; 1054 1055 struct kvm_dirty_tlb { 1056 __u64 bitmap; 1057 __u32 num_dirty; 1058 }; 1059 1060 /* Available with KVM_CAP_ONE_REG */ 1061 1062 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1063 #define KVM_REG_GENERIC 0x0000000000000000ULL 1064 1065 /* 1066 * Architecture specific registers are to be defined in arch headers and 1067 * ORed with the arch identifier. 1068 */ 1069 #define KVM_REG_PPC 0x1000000000000000ULL 1070 #define KVM_REG_X86 0x2000000000000000ULL 1071 #define KVM_REG_IA64 0x3000000000000000ULL 1072 #define KVM_REG_ARM 0x4000000000000000ULL 1073 #define KVM_REG_S390 0x5000000000000000ULL 1074 #define KVM_REG_ARM64 0x6000000000000000ULL 1075 #define KVM_REG_MIPS 0x7000000000000000ULL 1076 #define KVM_REG_RISCV 0x8000000000000000ULL 1077 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1078 1079 #define KVM_REG_SIZE_SHIFT 52 1080 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1081 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1082 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1083 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1084 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1085 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1086 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1087 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1088 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1089 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1090 1091 struct kvm_reg_list { 1092 __u64 n; /* number of regs */ 1093 __u64 reg[]; 1094 }; 1095 1096 struct kvm_one_reg { 1097 __u64 id; 1098 __u64 addr; 1099 }; 1100 1101 #define KVM_MSI_VALID_DEVID (1U << 0) 1102 struct kvm_msi { 1103 __u32 address_lo; 1104 __u32 address_hi; 1105 __u32 data; 1106 __u32 flags; 1107 __u32 devid; 1108 __u8 pad[12]; 1109 }; 1110 1111 struct kvm_arm_device_addr { 1112 __u64 id; 1113 __u64 addr; 1114 }; 1115 1116 /* 1117 * Device control API, available with KVM_CAP_DEVICE_CTRL 1118 */ 1119 #define KVM_CREATE_DEVICE_TEST 1 1120 1121 struct kvm_create_device { 1122 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1123 __u32 fd; /* out: device handle */ 1124 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1125 }; 1126 1127 struct kvm_device_attr { 1128 __u32 flags; /* no flags currently defined */ 1129 __u32 group; /* device-defined */ 1130 __u64 attr; /* group-defined */ 1131 __u64 addr; /* userspace address of attr data */ 1132 }; 1133 1134 #define KVM_DEV_VFIO_FILE 1 1135 1136 #define KVM_DEV_VFIO_FILE_ADD 1 1137 #define KVM_DEV_VFIO_FILE_DEL 2 1138 1139 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1140 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1141 1142 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1143 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1144 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1145 1146 /* PVIOMMU for guests. */ 1147 #define KVM_DEV_VFIO_PVIOMMU 5 1148 #define KVM_DEV_VFIO_PVIOMMU_ATTACH 1 1149 1150 /** 1151 * struct kvm_vfio_iommu_info 1152 * @size: sizeof(struct kvm_vfio_iommu_info) 1153 * @device_fd: File descriptor for VFIO device 1154 * @out_nr_sids: Number of IOMMU endpoints for this device (returned) 1155 * @__reserved: Must be 0 1156 * Probe IOMMU information for a VFIO device so it can be 1157 * configured from userspace to have a virtual toplogy for 1158 * KVM guests. 1159 */ 1160 struct kvm_vfio_iommu_info { 1161 __u32 size; 1162 __s32 device_fd; 1163 __u32 out_nr_sids; 1164 __u32 __reserved; 1165 }; 1166 #define KVM_DEV_VFIO_PVIOMMU_GET_INFO 2 1167 1168 /* pvIOMMU fd IOCTLs. */ 1169 1170 /** 1171 * struct kvm_vfio_iommu_info 1172 * @size: sizeof(struct kvm_vfio_iommu_info) 1173 * @device_fd: File descriptor for VFIO device 1174 * @sid_idx: Index of sid (within number from KVM_DEV_VFIO_PVIOMMU_GET_INFO) 1175 * @vsid: virtual SID visible to guest for this SID 1176 * @__reserved: Must be 0 1177 * Configure KVM guest virtual view for a device IOMMU endpoints. 1178 */ 1179 struct kvm_vfio_iommu_config { 1180 __u32 size; 1181 __s32 device_fd; 1182 __u32 sid_idx; 1183 __u32 vsid; 1184 __u32 __reserved; 1185 }; 1186 #define KVM_PVIOMMU_SET_CONFIG _IOWR(KVMIO, 0x1, struct kvm_vfio_iommu_config) 1187 1188 enum kvm_device_type { 1189 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1190 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1191 KVM_DEV_TYPE_FSL_MPIC_42, 1192 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1193 KVM_DEV_TYPE_XICS, 1194 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1195 KVM_DEV_TYPE_VFIO, 1196 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1197 KVM_DEV_TYPE_ARM_VGIC_V2, 1198 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1199 KVM_DEV_TYPE_FLIC, 1200 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1201 KVM_DEV_TYPE_ARM_VGIC_V3, 1202 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1203 KVM_DEV_TYPE_ARM_VGIC_ITS, 1204 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1205 KVM_DEV_TYPE_XIVE, 1206 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1207 KVM_DEV_TYPE_ARM_PV_TIME, 1208 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1209 KVM_DEV_TYPE_RISCV_AIA, 1210 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1211 KVM_DEV_TYPE_MAX, 1212 }; 1213 1214 struct kvm_vfio_spapr_tce { 1215 __s32 groupfd; 1216 __s32 tablefd; 1217 }; 1218 1219 /* 1220 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1221 * a vcpu fd. 1222 */ 1223 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1224 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1225 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1226 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1227 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1228 struct kvm_userspace_memory_region) 1229 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1230 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1231 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1232 struct kvm_userspace_memory_region2) 1233 1234 /* enable ucontrol for s390 */ 1235 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1236 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1237 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1238 1239 /* Device model IOC */ 1240 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1241 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1242 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1243 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1244 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1245 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1246 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1247 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1248 #define KVM_REGISTER_COALESCED_MMIO \ 1249 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1250 #define KVM_UNREGISTER_COALESCED_MMIO \ 1251 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1252 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1253 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1254 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1255 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1256 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1257 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1258 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1259 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1260 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1261 /* Available with KVM_CAP_PIT_STATE2 */ 1262 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1263 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1264 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1265 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1266 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1267 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1268 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1269 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1270 /* Available with KVM_CAP_SIGNAL_MSI */ 1271 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1272 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1273 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1274 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1275 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1276 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1277 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1278 struct kvm_create_spapr_tce_64) 1279 /* Available with KVM_CAP_RMA */ 1280 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1281 /* Available with KVM_CAP_PPC_HTAB_FD */ 1282 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1283 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1284 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1285 /* Available with KVM_CAP_PPC_RTAS */ 1286 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1287 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1288 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1289 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1290 /* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */ 1291 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1292 /* Available with KVM_CAP_PPC_MMU_RADIX */ 1293 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1294 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1295 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1296 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1297 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1298 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1299 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1300 /* Available with KVM_CAP_COUNTER_OFFSET */ 1301 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1302 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1303 1304 /* ioctl for vm fd */ 1305 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1306 1307 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1308 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1309 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1310 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1311 1312 /* 1313 * ioctls for vcpu fds 1314 */ 1315 #define KVM_RUN _IO(KVMIO, 0x80) 1316 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1317 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1318 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1319 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1320 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1321 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1322 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1323 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1324 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1325 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1326 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1327 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1328 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1329 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1330 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1331 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1332 /* Available with KVM_CAP_VAPIC */ 1333 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1334 /* Available with KVM_CAP_VAPIC */ 1335 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1336 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1337 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1338 /* store status for s390 */ 1339 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1340 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1341 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1342 /* initial ipl psw for s390 */ 1343 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1344 /* initial reset for s390 */ 1345 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1346 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1347 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1348 /* Available with KVM_CAP_USER_NMI */ 1349 #define KVM_NMI _IO(KVMIO, 0x9a) 1350 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1351 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1352 /* MCE for x86 */ 1353 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1354 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1355 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1356 /* Available with KVM_CAP_VCPU_EVENTS */ 1357 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1358 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1359 /* Available with KVM_CAP_DEBUGREGS */ 1360 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1361 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1362 /* 1363 * vcpu version available with KVM_CAP_ENABLE_CAP 1364 * vm version available with KVM_CAP_ENABLE_CAP_VM 1365 */ 1366 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1367 /* Available with KVM_CAP_XSAVE */ 1368 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1369 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1370 /* Available with KVM_CAP_XCRS */ 1371 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1372 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1373 /* Available with KVM_CAP_SW_TLB */ 1374 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1375 /* Available with KVM_CAP_ONE_REG */ 1376 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1377 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1378 /* VM is being stopped by host */ 1379 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1380 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1381 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1382 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1383 /* Available with KVM_CAP_S390_MEM_OP */ 1384 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1385 /* Available with KVM_CAP_S390_SKEYS */ 1386 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1387 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1388 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1389 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1390 /* Available with KVM_CAP_S390_IRQ_STATE */ 1391 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1392 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1393 /* Available with KVM_CAP_X86_SMM */ 1394 #define KVM_SMI _IO(KVMIO, 0xb7) 1395 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1396 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1397 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1398 /* Memory Encryption Commands */ 1399 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1400 1401 struct kvm_enc_region { 1402 __u64 addr; 1403 __u64 size; 1404 }; 1405 1406 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1407 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1408 1409 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1410 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1411 1412 /* Available with KVM_CAP_NESTED_STATE */ 1413 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1414 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1415 1416 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1417 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1418 1419 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1420 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1421 1422 /* Available with KVM_CAP_ARM_SVE */ 1423 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1424 1425 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1426 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1427 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1428 1429 /* Available with KVM_CAP_S390_PROTECTED */ 1430 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1431 1432 /* Available with KVM_CAP_X86_MSR_FILTER */ 1433 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1434 1435 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1436 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1437 1438 /* Per-VM Xen attributes */ 1439 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1440 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1441 1442 /* Per-vCPU Xen attributes */ 1443 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1444 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1445 1446 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1447 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1448 1449 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1450 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1451 1452 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1453 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1454 1455 /* 1456 * Arch needs to define the macro after implementing the dirty ring 1457 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1458 * starting page offset of the dirty ring structures. 1459 */ 1460 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1461 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1462 #endif 1463 1464 /* 1465 * KVM dirty GFN flags, defined as: 1466 * 1467 * |---------------+---------------+--------------| 1468 * | bit 1 (reset) | bit 0 (dirty) | Status | 1469 * |---------------+---------------+--------------| 1470 * | 0 | 0 | Invalid GFN | 1471 * | 0 | 1 | Dirty GFN | 1472 * | 1 | X | GFN to reset | 1473 * |---------------+---------------+--------------| 1474 * 1475 * Lifecycle of a dirty GFN goes like: 1476 * 1477 * dirtied harvested reset 1478 * 00 -----------> 01 -------------> 1X -------+ 1479 * ^ | 1480 * | | 1481 * +------------------------------------------+ 1482 * 1483 * The userspace program is only responsible for the 01->1X state 1484 * conversion after harvesting an entry. Also, it must not skip any 1485 * dirty bits, so that dirty bits are always harvested in sequence. 1486 */ 1487 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1488 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1489 #define KVM_DIRTY_GFN_F_MASK 0x3 1490 1491 /* 1492 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1493 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1494 * size of the gfn buffer is decided by the first argument when 1495 * enabling KVM_CAP_DIRTY_LOG_RING. 1496 */ 1497 struct kvm_dirty_gfn { 1498 __u32 flags; 1499 __u32 slot; 1500 __u64 offset; 1501 }; 1502 1503 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1504 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1505 1506 #define KVM_PMU_CAP_DISABLE (1 << 0) 1507 1508 /** 1509 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1510 * @flags: Some extra information for header, always 0 for now. 1511 * @name_size: The size in bytes of the memory which contains statistics 1512 * name string including trailing '\0'. The memory is allocated 1513 * at the send of statistics descriptor. 1514 * @num_desc: The number of statistics the vm or vcpu has. 1515 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1516 * by vm/vcpu stats fd. 1517 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1518 * pointd by vm/vcpu stats fd. 1519 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1520 * pointed by vm/vcpu stats fd. 1521 * 1522 * This is the header userspace needs to read from stats fd before any other 1523 * readings. It is used by userspace to discover all the information about the 1524 * vm/vcpu's binary statistics. 1525 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1526 */ 1527 struct kvm_stats_header { 1528 __u32 flags; 1529 __u32 name_size; 1530 __u32 num_desc; 1531 __u32 id_offset; 1532 __u32 desc_offset; 1533 __u32 data_offset; 1534 }; 1535 1536 #define KVM_STATS_TYPE_SHIFT 0 1537 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1538 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1539 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1540 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1541 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1542 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1543 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1544 1545 #define KVM_STATS_UNIT_SHIFT 4 1546 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1547 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1548 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1549 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1550 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1551 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1552 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1553 1554 #define KVM_STATS_BASE_SHIFT 8 1555 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1556 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1557 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1558 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1559 1560 /** 1561 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1562 * @flags: Annotations of the stats, like type, unit, etc. 1563 * @exponent: Used together with @flags to determine the unit. 1564 * @size: The number of data items for this stats. 1565 * Every data item is of type __u64. 1566 * @offset: The offset of the stats to the start of stat structure in 1567 * structure kvm or kvm_vcpu. 1568 * @bucket_size: A parameter value used for histogram stats. It is only used 1569 * for linear histogram stats, specifying the size of the bucket; 1570 * @name: The name string for the stats. Its size is indicated by the 1571 * &kvm_stats_header->name_size. 1572 */ 1573 struct kvm_stats_desc { 1574 __u32 flags; 1575 __s16 exponent; 1576 __u16 size; 1577 __u32 offset; 1578 __u32 bucket_size; 1579 char name[]; 1580 }; 1581 1582 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1583 1584 /* Available with KVM_CAP_XSAVE2 */ 1585 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1586 1587 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1588 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1589 1590 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1591 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1592 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1593 1594 /* Available with KVM_CAP_S390_ZPCI_OP */ 1595 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1596 1597 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1598 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1599 1600 struct kvm_memory_attributes { 1601 __u64 address; 1602 __u64 size; 1603 __u64 attributes; 1604 __u64 flags; 1605 }; 1606 1607 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1608 1609 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1610 1611 struct kvm_create_guest_memfd { 1612 __u64 size; 1613 __u64 flags; 1614 __u64 reserved[6]; 1615 }; 1616 1617 #define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory) 1618 1619 struct kvm_pre_fault_memory { 1620 __u64 gpa; 1621 __u64 size; 1622 __u64 flags; 1623 __u64 padding[5]; 1624 }; 1625 1626 #endif /* __LINUX_KVM_H */ 1627