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