kvm.h (49344B) - Raw
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 __u32 type; 373 __u32 ndata; 374 union { 375 __u64 flags; 376 __u64 data[16]; 377 }; 378 } system_event; 379 /* KVM_EXIT_S390_STSI */ 380 struct { 381 __u64 addr; 382 __u8 ar; 383 __u8 reserved; 384 __u8 fc; 385 __u8 sel1; 386 __u16 sel2; 387 } s390_stsi; 388 /* KVM_EXIT_IOAPIC_EOI */ 389 struct { 390 __u8 vector; 391 } eoi; 392 /* KVM_EXIT_HYPERV */ 393 struct kvm_hyperv_exit hyperv; 394 /* KVM_EXIT_ARM_NISV */ 395 struct { 396 __u64 esr_iss; 397 __u64 fault_ipa; 398 } arm_nisv; 399 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 400 struct { 401 __u8 error; /* user -> kernel */ 402 __u8 pad[7]; 403 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 404 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 405 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 406 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 407 KVM_MSR_EXIT_REASON_UNKNOWN | \ 408 KVM_MSR_EXIT_REASON_FILTER) 409 __u32 reason; /* kernel -> user */ 410 __u32 index; /* kernel -> user */ 411 __u64 data; /* kernel <-> user */ 412 } msr; 413 /* KVM_EXIT_XEN */ 414 struct kvm_xen_exit xen; 415 /* KVM_EXIT_RISCV_SBI */ 416 struct { 417 unsigned long extension_id; 418 unsigned long function_id; 419 unsigned long args[6]; 420 unsigned long ret[2]; 421 } riscv_sbi; 422 /* KVM_EXIT_RISCV_CSR */ 423 struct { 424 unsigned long csr_num; 425 unsigned long new_value; 426 unsigned long write_mask; 427 unsigned long ret_value; 428 } riscv_csr; 429 /* KVM_EXIT_NOTIFY */ 430 struct { 431 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 432 __u32 flags; 433 } notify; 434 /* KVM_EXIT_MEMORY_FAULT */ 435 struct { 436 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 437 __u64 flags; 438 __u64 gpa; 439 __u64 size; 440 } memory_fault; 441 /* Fix the size of the union. */ 442 char padding[256]; 443 }; 444 445 /* 2048 is the size of the char array used to bound/pad the size 446 * of the union that holds sync regs. 447 */ 448 #define SYNC_REGS_SIZE_BYTES 2048 449 /* 450 * shared registers between kvm and userspace. 451 * kvm_valid_regs specifies the register classes set by the host 452 * kvm_dirty_regs specified the register classes dirtied by userspace 453 * struct kvm_sync_regs is architecture specific, as well as the 454 * bits for kvm_valid_regs and kvm_dirty_regs 455 */ 456 __u64 kvm_valid_regs; 457 __u64 kvm_dirty_regs; 458 union { 459 struct kvm_sync_regs regs; 460 char padding[SYNC_REGS_SIZE_BYTES]; 461 } s; 462 }; 463 464 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 465 466 struct kvm_coalesced_mmio_zone { 467 __u64 addr; 468 __u32 size; 469 union { 470 __u32 pad; 471 __u32 pio; 472 }; 473 }; 474 475 struct kvm_coalesced_mmio { 476 __u64 phys_addr; 477 __u32 len; 478 union { 479 __u32 pad; 480 __u32 pio; 481 }; 482 __u8 data[8]; 483 }; 484 485 struct kvm_coalesced_mmio_ring { 486 __u32 first, last; 487 struct kvm_coalesced_mmio coalesced_mmio[]; 488 }; 489 490 #define KVM_COALESCED_MMIO_MAX \ 491 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 492 sizeof(struct kvm_coalesced_mmio)) 493 494 /* for KVM_TRANSLATE */ 495 struct kvm_translation { 496 /* in */ 497 __u64 linear_address; 498 499 /* out */ 500 __u64 physical_address; 501 __u8 valid; 502 __u8 writeable; 503 __u8 usermode; 504 __u8 pad[5]; 505 }; 506 507 /* for KVM_INTERRUPT */ 508 struct kvm_interrupt { 509 /* in */ 510 __u32 irq; 511 }; 512 513 /* for KVM_GET_DIRTY_LOG */ 514 struct kvm_dirty_log { 515 __u32 slot; 516 __u32 padding1; 517 union { 518 void *dirty_bitmap; /* one bit per page */ 519 __u64 padding2; 520 }; 521 }; 522 523 /* for KVM_CLEAR_DIRTY_LOG */ 524 struct kvm_clear_dirty_log { 525 __u32 slot; 526 __u32 num_pages; 527 __u64 first_page; 528 union { 529 void *dirty_bitmap; /* one bit per page */ 530 __u64 padding2; 531 }; 532 }; 533 534 /* for KVM_SET_SIGNAL_MASK */ 535 struct kvm_signal_mask { 536 __u32 len; 537 __u8 sigset[]; 538 }; 539 540 /* for KVM_TPR_ACCESS_REPORTING */ 541 struct kvm_tpr_access_ctl { 542 __u32 enabled; 543 __u32 flags; 544 __u32 reserved[8]; 545 }; 546 547 /* for KVM_SET_VAPIC_ADDR */ 548 struct kvm_vapic_addr { 549 __u64 vapic_addr; 550 }; 551 552 /* for KVM_SET_MP_STATE */ 553 554 /* not all states are valid on all architectures */ 555 #define KVM_MP_STATE_RUNNABLE 0 556 #define KVM_MP_STATE_UNINITIALIZED 1 557 #define KVM_MP_STATE_INIT_RECEIVED 2 558 #define KVM_MP_STATE_HALTED 3 559 #define KVM_MP_STATE_SIPI_RECEIVED 4 560 #define KVM_MP_STATE_STOPPED 5 561 #define KVM_MP_STATE_CHECK_STOP 6 562 #define KVM_MP_STATE_OPERATING 7 563 #define KVM_MP_STATE_LOAD 8 564 #define KVM_MP_STATE_AP_RESET_HOLD 9 565 #define KVM_MP_STATE_SUSPENDED 10 566 567 struct kvm_mp_state { 568 __u32 mp_state; 569 }; 570 571 /* for KVM_SET_GUEST_DEBUG */ 572 573 #define KVM_GUESTDBG_ENABLE 0x00000001 574 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 575 576 struct kvm_guest_debug { 577 __u32 control; 578 __u32 pad; 579 struct kvm_guest_debug_arch arch; 580 }; 581 582 enum { 583 kvm_ioeventfd_flag_nr_datamatch, 584 kvm_ioeventfd_flag_nr_pio, 585 kvm_ioeventfd_flag_nr_deassign, 586 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 587 kvm_ioeventfd_flag_nr_fast_mmio, 588 kvm_ioeventfd_flag_nr_max, 589 }; 590 591 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 592 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 593 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 594 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 595 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 596 597 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 598 599 struct kvm_ioeventfd { 600 __u64 datamatch; 601 __u64 addr; /* legal pio/mmio address */ 602 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 603 __s32 fd; 604 __u32 flags; 605 __u8 pad[36]; 606 }; 607 608 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 609 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 610 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 611 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 612 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 613 KVM_X86_DISABLE_EXITS_HLT | \ 614 KVM_X86_DISABLE_EXITS_PAUSE | \ 615 KVM_X86_DISABLE_EXITS_CSTATE) 616 617 /* for KVM_ENABLE_CAP */ 618 struct kvm_enable_cap { 619 /* in */ 620 __u32 cap; 621 __u32 flags; 622 __u64 args[4]; 623 __u8 pad[64]; 624 }; 625 626 #define KVMIO 0xAE 627 628 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 629 #define KVM_VM_S390_UCONTROL 1 630 631 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 632 #define KVM_VM_PPC_HV 1 633 #define KVM_VM_PPC_PR 2 634 635 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 636 #define KVM_VM_MIPS_AUTO 0 637 #define KVM_VM_MIPS_VZ 1 638 #define KVM_VM_MIPS_TE 2 639 640 #define KVM_S390_SIE_PAGE_OFFSET 1 641 642 /* 643 * On arm64, machine type can be used to request the physical 644 * address size for the VM. Bits[7-0] are reserved for the guest 645 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 646 * value 0 implies the default IPA size, 40bits. 647 */ 648 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 649 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 650 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 651 /* 652 * ioctls for /dev/kvm fds: 653 */ 654 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 655 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 656 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 657 658 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 659 /* 660 * Check if a kvm extension is available. Argument is extension number, 661 * return is 1 (yes) or 0 (no, sorry). 662 */ 663 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 664 /* 665 * Get size for mmap(vcpu_fd) 666 */ 667 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 668 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 669 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 670 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 671 672 /* 673 * Extension capability list. 674 */ 675 #define KVM_CAP_IRQCHIP 0 676 #define KVM_CAP_HLT 1 677 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 678 #define KVM_CAP_USER_MEMORY 3 679 #define KVM_CAP_SET_TSS_ADDR 4 680 #define KVM_CAP_VAPIC 6 681 #define KVM_CAP_EXT_CPUID 7 682 #define KVM_CAP_CLOCKSOURCE 8 683 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 684 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 685 #define KVM_CAP_PIT 11 686 #define KVM_CAP_NOP_IO_DELAY 12 687 #define KVM_CAP_PV_MMU 13 688 #define KVM_CAP_MP_STATE 14 689 #define KVM_CAP_COALESCED_MMIO 15 690 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 691 #define KVM_CAP_IOMMU 18 692 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 693 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 694 #define KVM_CAP_USER_NMI 22 695 #define KVM_CAP_SET_GUEST_DEBUG 23 696 #ifdef __KVM_HAVE_PIT 697 #define KVM_CAP_REINJECT_CONTROL 24 698 #endif 699 #define KVM_CAP_IRQ_ROUTING 25 700 #define KVM_CAP_IRQ_INJECT_STATUS 26 701 #define KVM_CAP_ASSIGN_DEV_IRQ 29 702 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 703 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 704 #ifdef __KVM_HAVE_MCE 705 #define KVM_CAP_MCE 31 706 #endif 707 #define KVM_CAP_IRQFD 32 708 #ifdef __KVM_HAVE_PIT 709 #define KVM_CAP_PIT2 33 710 #endif 711 #define KVM_CAP_SET_BOOT_CPU_ID 34 712 #ifdef __KVM_HAVE_PIT_STATE2 713 #define KVM_CAP_PIT_STATE2 35 714 #endif 715 #define KVM_CAP_IOEVENTFD 36 716 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 717 #ifdef __KVM_HAVE_XEN_HVM 718 #define KVM_CAP_XEN_HVM 38 719 #endif 720 #define KVM_CAP_ADJUST_CLOCK 39 721 #define KVM_CAP_INTERNAL_ERROR_DATA 40 722 #ifdef __KVM_HAVE_VCPU_EVENTS 723 #define KVM_CAP_VCPU_EVENTS 41 724 #endif 725 #define KVM_CAP_S390_PSW 42 726 #define KVM_CAP_PPC_SEGSTATE 43 727 #define KVM_CAP_HYPERV 44 728 #define KVM_CAP_HYPERV_VAPIC 45 729 #define KVM_CAP_HYPERV_SPIN 46 730 #define KVM_CAP_PCI_SEGMENT 47 731 #define KVM_CAP_PPC_PAIRED_SINGLES 48 732 #define KVM_CAP_INTR_SHADOW 49 733 #ifdef __KVM_HAVE_DEBUGREGS 734 #define KVM_CAP_DEBUGREGS 50 735 #endif 736 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 737 #define KVM_CAP_PPC_OSI 52 738 #define KVM_CAP_PPC_UNSET_IRQ 53 739 #define KVM_CAP_ENABLE_CAP 54 740 #ifdef __KVM_HAVE_XSAVE 741 #define KVM_CAP_XSAVE 55 742 #endif 743 #ifdef __KVM_HAVE_XCRS 744 #define KVM_CAP_XCRS 56 745 #endif 746 #define KVM_CAP_PPC_GET_PVINFO 57 747 #define KVM_CAP_PPC_IRQ_LEVEL 58 748 #define KVM_CAP_ASYNC_PF 59 749 #define KVM_CAP_TSC_CONTROL 60 750 #define KVM_CAP_GET_TSC_KHZ 61 751 #define KVM_CAP_PPC_BOOKE_SREGS 62 752 #define KVM_CAP_SPAPR_TCE 63 753 #define KVM_CAP_PPC_SMT 64 754 #define KVM_CAP_PPC_RMA 65 755 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 756 #define KVM_CAP_PPC_HIOR 67 757 #define KVM_CAP_PPC_PAPR 68 758 #define KVM_CAP_SW_TLB 69 759 #define KVM_CAP_ONE_REG 70 760 #define KVM_CAP_S390_GMAP 71 761 #define KVM_CAP_TSC_DEADLINE_TIMER 72 762 #define KVM_CAP_S390_UCONTROL 73 763 #define KVM_CAP_SYNC_REGS 74 764 #define KVM_CAP_PCI_2_3 75 765 #define KVM_CAP_KVMCLOCK_CTRL 76 766 #define KVM_CAP_SIGNAL_MSI 77 767 #define KVM_CAP_PPC_GET_SMMU_INFO 78 768 #define KVM_CAP_S390_COW 79 769 #define KVM_CAP_PPC_ALLOC_HTAB 80 770 #define KVM_CAP_READONLY_MEM 81 771 #define KVM_CAP_IRQFD_RESAMPLE 82 772 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 773 #define KVM_CAP_PPC_HTAB_FD 84 774 #define KVM_CAP_S390_CSS_SUPPORT 85 775 #define KVM_CAP_PPC_EPR 86 776 #define KVM_CAP_ARM_PSCI 87 777 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 778 #define KVM_CAP_DEVICE_CTRL 89 779 #define KVM_CAP_IRQ_MPIC 90 780 #define KVM_CAP_PPC_RTAS 91 781 #define KVM_CAP_IRQ_XICS 92 782 #define KVM_CAP_ARM_EL1_32BIT 93 783 #define KVM_CAP_SPAPR_MULTITCE 94 784 #define KVM_CAP_EXT_EMUL_CPUID 95 785 #define KVM_CAP_HYPERV_TIME 96 786 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 787 #define KVM_CAP_ENABLE_CAP_VM 98 788 #define KVM_CAP_S390_IRQCHIP 99 789 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 790 #define KVM_CAP_VM_ATTRIBUTES 101 791 #define KVM_CAP_ARM_PSCI_0_2 102 792 #define KVM_CAP_PPC_FIXUP_HCALL 103 793 #define KVM_CAP_PPC_ENABLE_HCALL 104 794 #define KVM_CAP_CHECK_EXTENSION_VM 105 795 #define KVM_CAP_S390_USER_SIGP 106 796 #define KVM_CAP_S390_VECTOR_REGISTERS 107 797 #define KVM_CAP_S390_MEM_OP 108 798 #define KVM_CAP_S390_USER_STSI 109 799 #define KVM_CAP_S390_SKEYS 110 800 #define KVM_CAP_MIPS_FPU 111 801 #define KVM_CAP_MIPS_MSA 112 802 #define KVM_CAP_S390_INJECT_IRQ 113 803 #define KVM_CAP_S390_IRQ_STATE 114 804 #define KVM_CAP_PPC_HWRNG 115 805 #define KVM_CAP_DISABLE_QUIRKS 116 806 #define KVM_CAP_X86_SMM 117 807 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 808 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 809 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 810 #define KVM_CAP_SPLIT_IRQCHIP 121 811 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 812 #define KVM_CAP_HYPERV_SYNIC 123 813 #define KVM_CAP_S390_RI 124 814 #define KVM_CAP_SPAPR_TCE_64 125 815 #define KVM_CAP_ARM_PMU_V3 126 816 #define KVM_CAP_VCPU_ATTRIBUTES 127 817 #define KVM_CAP_MAX_VCPU_ID 128 818 #define KVM_CAP_X2APIC_API 129 819 #define KVM_CAP_S390_USER_INSTR0 130 820 #define KVM_CAP_MSI_DEVID 131 821 #define KVM_CAP_PPC_HTM 132 822 #define KVM_CAP_SPAPR_RESIZE_HPT 133 823 #define KVM_CAP_PPC_MMU_RADIX 134 824 #define KVM_CAP_PPC_MMU_HASH_V3 135 825 #define KVM_CAP_IMMEDIATE_EXIT 136 826 #define KVM_CAP_MIPS_VZ 137 827 #define KVM_CAP_MIPS_TE 138 828 #define KVM_CAP_MIPS_64BIT 139 829 #define KVM_CAP_S390_GS 140 830 #define KVM_CAP_S390_AIS 141 831 #define KVM_CAP_SPAPR_TCE_VFIO 142 832 #define KVM_CAP_X86_DISABLE_EXITS 143 833 #define KVM_CAP_ARM_USER_IRQ 144 834 #define KVM_CAP_S390_CMMA_MIGRATION 145 835 #define KVM_CAP_PPC_FWNMI 146 836 #define KVM_CAP_PPC_SMT_POSSIBLE 147 837 #define KVM_CAP_HYPERV_SYNIC2 148 838 #define KVM_CAP_HYPERV_VP_INDEX 149 839 #define KVM_CAP_S390_AIS_MIGRATION 150 840 #define KVM_CAP_PPC_GET_CPU_CHAR 151 841 #define KVM_CAP_S390_BPB 152 842 #define KVM_CAP_GET_MSR_FEATURES 153 843 #define KVM_CAP_HYPERV_EVENTFD 154 844 #define KVM_CAP_HYPERV_TLBFLUSH 155 845 #define KVM_CAP_S390_HPAGE_1M 156 846 #define KVM_CAP_NESTED_STATE 157 847 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 848 #define KVM_CAP_MSR_PLATFORM_INFO 159 849 #define KVM_CAP_PPC_NESTED_HV 160 850 #define KVM_CAP_HYPERV_SEND_IPI 161 851 #define KVM_CAP_COALESCED_PIO 162 852 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 853 #define KVM_CAP_EXCEPTION_PAYLOAD 164 854 #define KVM_CAP_ARM_VM_IPA_SIZE 165 855 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 856 #define KVM_CAP_HYPERV_CPUID 167 857 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 858 #define KVM_CAP_PPC_IRQ_XIVE 169 859 #define KVM_CAP_ARM_SVE 170 860 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 861 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 862 #define KVM_CAP_PMU_EVENT_FILTER 173 863 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 864 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 865 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 866 #define KVM_CAP_ARM_NISV_TO_USER 177 867 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 868 #define KVM_CAP_S390_VCPU_RESETS 179 869 #define KVM_CAP_S390_PROTECTED 180 870 #define KVM_CAP_PPC_SECURE_GUEST 181 871 #define KVM_CAP_HALT_POLL 182 872 #define KVM_CAP_ASYNC_PF_INT 183 873 #define KVM_CAP_LAST_CPU 184 874 #define KVM_CAP_SMALLER_MAXPHYADDR 185 875 #define KVM_CAP_S390_DIAG318 186 876 #define KVM_CAP_STEAL_TIME 187 877 #define KVM_CAP_X86_USER_SPACE_MSR 188 878 #define KVM_CAP_X86_MSR_FILTER 189 879 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 880 #define KVM_CAP_SYS_HYPERV_CPUID 191 881 #define KVM_CAP_DIRTY_LOG_RING 192 882 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 883 #define KVM_CAP_PPC_DAWR1 194 884 #define KVM_CAP_SET_GUEST_DEBUG2 195 885 #define KVM_CAP_SGX_ATTRIBUTE 196 886 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 887 #define KVM_CAP_PTP_KVM 198 888 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 889 #define KVM_CAP_SREGS2 200 890 #define KVM_CAP_EXIT_HYPERCALL 201 891 #define KVM_CAP_PPC_RPT_INVALIDATE 202 892 #define KVM_CAP_BINARY_STATS_FD 203 893 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 894 #define KVM_CAP_ARM_MTE 205 895 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 896 #define KVM_CAP_VM_GPA_BITS 207 897 #define KVM_CAP_XSAVE2 208 898 #define KVM_CAP_SYS_ATTRIBUTES 209 899 #define KVM_CAP_PPC_AIL_MODE_3 210 900 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 901 #define KVM_CAP_PMU_CAPABILITY 212 902 #define KVM_CAP_DISABLE_QUIRKS2 213 903 #define KVM_CAP_VM_TSC_CONTROL 214 904 #define KVM_CAP_SYSTEM_EVENT_DATA 215 905 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 906 #define KVM_CAP_S390_PROTECTED_DUMP 217 907 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 908 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 909 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 910 #define KVM_CAP_S390_ZPCI_OP 221 911 #define KVM_CAP_S390_CPU_TOPOLOGY 222 912 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 913 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 914 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 915 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 916 #define KVM_CAP_COUNTER_OFFSET 227 917 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 918 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 919 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 920 #define KVM_CAP_USER_MEMORY2 231 921 #define KVM_CAP_MEMORY_FAULT_INFO 232 922 #define KVM_CAP_MEMORY_ATTRIBUTES 233 923 #define KVM_CAP_GUEST_MEMFD 234 924 #define KVM_CAP_VM_TYPES 235 925 #define KVM_CAP_PRE_FAULT_MEMORY 236 926 #define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237 927 #define KVM_CAP_X86_GUEST_MODE 238 928 929 struct kvm_irq_routing_irqchip { 930 __u32 irqchip; 931 __u32 pin; 932 }; 933 934 struct kvm_irq_routing_msi { 935 __u32 address_lo; 936 __u32 address_hi; 937 __u32 data; 938 union { 939 __u32 pad; 940 __u32 devid; 941 }; 942 }; 943 944 struct kvm_irq_routing_s390_adapter { 945 __u64 ind_addr; 946 __u64 summary_addr; 947 __u64 ind_offset; 948 __u32 summary_offset; 949 __u32 adapter_id; 950 }; 951 952 struct kvm_irq_routing_hv_sint { 953 __u32 vcpu; 954 __u32 sint; 955 }; 956 957 struct kvm_irq_routing_xen_evtchn { 958 __u32 port; 959 __u32 vcpu; 960 __u32 priority; 961 }; 962 963 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 964 965 /* gsi routing entry types */ 966 #define KVM_IRQ_ROUTING_IRQCHIP 1 967 #define KVM_IRQ_ROUTING_MSI 2 968 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 969 #define KVM_IRQ_ROUTING_HV_SINT 4 970 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 971 972 struct kvm_irq_routing_entry { 973 __u32 gsi; 974 __u32 type; 975 __u32 flags; 976 __u32 pad; 977 union { 978 struct kvm_irq_routing_irqchip irqchip; 979 struct kvm_irq_routing_msi msi; 980 struct kvm_irq_routing_s390_adapter adapter; 981 struct kvm_irq_routing_hv_sint hv_sint; 982 struct kvm_irq_routing_xen_evtchn xen_evtchn; 983 __u32 pad[8]; 984 } u; 985 }; 986 987 struct kvm_irq_routing { 988 __u32 nr; 989 __u32 flags; 990 struct kvm_irq_routing_entry entries[]; 991 }; 992 993 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 994 /* 995 * Available with KVM_CAP_IRQFD_RESAMPLE 996 * 997 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 998 * the irqfd to operate in resampling mode for level triggered interrupt 999 * emulation. See Documentation/virt/kvm/api.rst. 1000 */ 1001 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1002 1003 struct kvm_irqfd { 1004 __u32 fd; 1005 __u32 gsi; 1006 __u32 flags; 1007 __u32 resamplefd; 1008 __u8 pad[16]; 1009 }; 1010 1011 /* For KVM_CAP_ADJUST_CLOCK */ 1012 1013 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1014 #define KVM_CLOCK_TSC_STABLE 2 1015 #define KVM_CLOCK_REALTIME (1 << 2) 1016 #define KVM_CLOCK_HOST_TSC (1 << 3) 1017 1018 struct kvm_clock_data { 1019 __u64 clock; 1020 __u32 flags; 1021 __u32 pad0; 1022 __u64 realtime; 1023 __u64 host_tsc; 1024 __u32 pad[4]; 1025 }; 1026 1027 /* For KVM_CAP_SW_TLB */ 1028 1029 #define KVM_MMU_FSL_BOOKE_NOHV 0 1030 #define KVM_MMU_FSL_BOOKE_HV 1 1031 1032 struct kvm_config_tlb { 1033 __u64 params; 1034 __u64 array; 1035 __u32 mmu_type; 1036 __u32 array_len; 1037 }; 1038 1039 struct kvm_dirty_tlb { 1040 __u64 bitmap; 1041 __u32 num_dirty; 1042 }; 1043 1044 /* Available with KVM_CAP_ONE_REG */ 1045 1046 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1047 #define KVM_REG_GENERIC 0x0000000000000000ULL 1048 1049 /* 1050 * Architecture specific registers are to be defined in arch headers and 1051 * ORed with the arch identifier. 1052 */ 1053 #define KVM_REG_PPC 0x1000000000000000ULL 1054 #define KVM_REG_X86 0x2000000000000000ULL 1055 #define KVM_REG_IA64 0x3000000000000000ULL 1056 #define KVM_REG_ARM 0x4000000000000000ULL 1057 #define KVM_REG_S390 0x5000000000000000ULL 1058 #define KVM_REG_ARM64 0x6000000000000000ULL 1059 #define KVM_REG_MIPS 0x7000000000000000ULL 1060 #define KVM_REG_RISCV 0x8000000000000000ULL 1061 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1062 1063 #define KVM_REG_SIZE_SHIFT 52 1064 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1065 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1066 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1067 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1068 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1069 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1070 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1071 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1072 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1073 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1074 1075 struct kvm_reg_list { 1076 __u64 n; /* number of regs */ 1077 __u64 reg[]; 1078 }; 1079 1080 struct kvm_one_reg { 1081 __u64 id; 1082 __u64 addr; 1083 }; 1084 1085 #define KVM_MSI_VALID_DEVID (1U << 0) 1086 struct kvm_msi { 1087 __u32 address_lo; 1088 __u32 address_hi; 1089 __u32 data; 1090 __u32 flags; 1091 __u32 devid; 1092 __u8 pad[12]; 1093 }; 1094 1095 struct kvm_arm_device_addr { 1096 __u64 id; 1097 __u64 addr; 1098 }; 1099 1100 /* 1101 * Device control API, available with KVM_CAP_DEVICE_CTRL 1102 */ 1103 #define KVM_CREATE_DEVICE_TEST 1 1104 1105 struct kvm_create_device { 1106 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1107 __u32 fd; /* out: device handle */ 1108 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1109 }; 1110 1111 struct kvm_device_attr { 1112 __u32 flags; /* no flags currently defined */ 1113 __u32 group; /* device-defined */ 1114 __u64 attr; /* group-defined */ 1115 __u64 addr; /* userspace address of attr data */ 1116 }; 1117 1118 #define KVM_DEV_VFIO_FILE 1 1119 1120 #define KVM_DEV_VFIO_FILE_ADD 1 1121 #define KVM_DEV_VFIO_FILE_DEL 2 1122 1123 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1124 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1125 1126 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1127 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1128 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1129 1130 enum kvm_device_type { 1131 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1132 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1133 KVM_DEV_TYPE_FSL_MPIC_42, 1134 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1135 KVM_DEV_TYPE_XICS, 1136 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1137 KVM_DEV_TYPE_VFIO, 1138 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1139 KVM_DEV_TYPE_ARM_VGIC_V2, 1140 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1141 KVM_DEV_TYPE_FLIC, 1142 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1143 KVM_DEV_TYPE_ARM_VGIC_V3, 1144 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1145 KVM_DEV_TYPE_ARM_VGIC_ITS, 1146 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1147 KVM_DEV_TYPE_XIVE, 1148 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1149 KVM_DEV_TYPE_ARM_PV_TIME, 1150 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1151 KVM_DEV_TYPE_RISCV_AIA, 1152 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1153 KVM_DEV_TYPE_LOONGARCH_IPI, 1154 #define KVM_DEV_TYPE_LOONGARCH_IPI KVM_DEV_TYPE_LOONGARCH_IPI 1155 KVM_DEV_TYPE_LOONGARCH_EIOINTC, 1156 #define KVM_DEV_TYPE_LOONGARCH_EIOINTC KVM_DEV_TYPE_LOONGARCH_EIOINTC 1157 KVM_DEV_TYPE_LOONGARCH_PCHPIC, 1158 #define KVM_DEV_TYPE_LOONGARCH_PCHPIC KVM_DEV_TYPE_LOONGARCH_PCHPIC 1159 1160 KVM_DEV_TYPE_MAX, 1161 1162 }; 1163 1164 struct kvm_vfio_spapr_tce { 1165 __s32 groupfd; 1166 __s32 tablefd; 1167 }; 1168 1169 /* 1170 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1171 * a vcpu fd. 1172 */ 1173 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1174 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1175 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1176 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1177 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1178 struct kvm_userspace_memory_region) 1179 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1180 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1181 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1182 struct kvm_userspace_memory_region2) 1183 1184 /* enable ucontrol for s390 */ 1185 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1186 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1187 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1188 1189 /* Device model IOC */ 1190 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1191 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1192 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1193 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1194 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1195 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1196 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1197 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1198 #define KVM_REGISTER_COALESCED_MMIO \ 1199 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1200 #define KVM_UNREGISTER_COALESCED_MMIO \ 1201 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1202 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1203 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1204 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1205 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1206 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1207 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1208 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1209 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1210 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1211 /* Available with KVM_CAP_PIT_STATE2 */ 1212 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1213 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1214 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1215 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1216 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1217 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1218 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1219 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1220 /* Available with KVM_CAP_SIGNAL_MSI */ 1221 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1222 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1223 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1224 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1225 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1226 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1227 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1228 struct kvm_create_spapr_tce_64) 1229 /* Available with KVM_CAP_RMA */ 1230 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1231 /* Available with KVM_CAP_PPC_HTAB_FD */ 1232 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1233 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1234 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1235 /* Available with KVM_CAP_PPC_RTAS */ 1236 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1237 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1238 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1239 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1240 /* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */ 1241 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1242 /* Available with KVM_CAP_PPC_MMU_RADIX */ 1243 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1244 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1245 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1246 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1247 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1248 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1249 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1250 /* Available with KVM_CAP_COUNTER_OFFSET */ 1251 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1252 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1253 1254 /* ioctl for vm fd */ 1255 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1256 1257 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1258 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1259 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1260 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1261 1262 /* 1263 * ioctls for vcpu fds 1264 */ 1265 #define KVM_RUN _IO(KVMIO, 0x80) 1266 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1267 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1268 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1269 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1270 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1271 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1272 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1273 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1274 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1275 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1276 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1277 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1278 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1279 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1280 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1281 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1282 /* Available with KVM_CAP_VAPIC */ 1283 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1284 /* Available with KVM_CAP_VAPIC */ 1285 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1286 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1287 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1288 /* store status for s390 */ 1289 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1290 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1291 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1292 /* initial ipl psw for s390 */ 1293 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1294 /* initial reset for s390 */ 1295 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1296 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1297 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1298 /* Available with KVM_CAP_USER_NMI */ 1299 #define KVM_NMI _IO(KVMIO, 0x9a) 1300 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1301 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1302 /* MCE for x86 */ 1303 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1304 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1305 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1306 /* Available with KVM_CAP_VCPU_EVENTS */ 1307 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1308 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1309 /* Available with KVM_CAP_DEBUGREGS */ 1310 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1311 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1312 /* 1313 * vcpu version available with KVM_CAP_ENABLE_CAP 1314 * vm version available with KVM_CAP_ENABLE_CAP_VM 1315 */ 1316 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1317 /* Available with KVM_CAP_XSAVE */ 1318 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1319 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1320 /* Available with KVM_CAP_XCRS */ 1321 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1322 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1323 /* Available with KVM_CAP_SW_TLB */ 1324 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1325 /* Available with KVM_CAP_ONE_REG */ 1326 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1327 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1328 /* VM is being stopped by host */ 1329 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1330 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1331 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1332 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1333 /* Available with KVM_CAP_S390_MEM_OP */ 1334 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1335 /* Available with KVM_CAP_S390_SKEYS */ 1336 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1337 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1338 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1339 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1340 /* Available with KVM_CAP_S390_IRQ_STATE */ 1341 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1342 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1343 /* Available with KVM_CAP_X86_SMM */ 1344 #define KVM_SMI _IO(KVMIO, 0xb7) 1345 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1346 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1347 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1348 /* Memory Encryption Commands */ 1349 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1350 1351 struct kvm_enc_region { 1352 __u64 addr; 1353 __u64 size; 1354 }; 1355 1356 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1357 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1358 1359 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1360 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1361 1362 /* Available with KVM_CAP_NESTED_STATE */ 1363 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1364 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1365 1366 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1367 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1368 1369 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1370 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1371 1372 /* Available with KVM_CAP_ARM_SVE */ 1373 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1374 1375 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1376 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1377 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1378 1379 /* Available with KVM_CAP_S390_PROTECTED */ 1380 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1381 1382 /* Available with KVM_CAP_X86_MSR_FILTER */ 1383 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1384 1385 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1386 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1387 1388 /* Per-VM Xen attributes */ 1389 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1390 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1391 1392 /* Per-vCPU Xen attributes */ 1393 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1394 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1395 1396 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1397 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1398 1399 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1400 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1401 1402 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1403 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1404 1405 /* 1406 * Arch needs to define the macro after implementing the dirty ring 1407 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1408 * starting page offset of the dirty ring structures. 1409 */ 1410 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1411 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1412 #endif 1413 1414 /* 1415 * KVM dirty GFN flags, defined as: 1416 * 1417 * |---------------+---------------+--------------| 1418 * | bit 1 (reset) | bit 0 (dirty) | Status | 1419 * |---------------+---------------+--------------| 1420 * | 0 | 0 | Invalid GFN | 1421 * | 0 | 1 | Dirty GFN | 1422 * | 1 | X | GFN to reset | 1423 * |---------------+---------------+--------------| 1424 * 1425 * Lifecycle of a dirty GFN goes like: 1426 * 1427 * dirtied harvested reset 1428 * 00 -----------> 01 -------------> 1X -------+ 1429 * ^ | 1430 * | | 1431 * +------------------------------------------+ 1432 * 1433 * The userspace program is only responsible for the 01->1X state 1434 * conversion after harvesting an entry. Also, it must not skip any 1435 * dirty bits, so that dirty bits are always harvested in sequence. 1436 */ 1437 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1438 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1439 #define KVM_DIRTY_GFN_F_MASK 0x3 1440 1441 /* 1442 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1443 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1444 * size of the gfn buffer is decided by the first argument when 1445 * enabling KVM_CAP_DIRTY_LOG_RING. 1446 */ 1447 struct kvm_dirty_gfn { 1448 __u32 flags; 1449 __u32 slot; 1450 __u64 offset; 1451 }; 1452 1453 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1454 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1455 1456 #define KVM_PMU_CAP_DISABLE (1 << 0) 1457 1458 /** 1459 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1460 * @flags: Some extra information for header, always 0 for now. 1461 * @name_size: The size in bytes of the memory which contains statistics 1462 * name string including trailing '\0'. The memory is allocated 1463 * at the send of statistics descriptor. 1464 * @num_desc: The number of statistics the vm or vcpu has. 1465 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1466 * by vm/vcpu stats fd. 1467 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1468 * pointd by vm/vcpu stats fd. 1469 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1470 * pointed by vm/vcpu stats fd. 1471 * 1472 * This is the header userspace needs to read from stats fd before any other 1473 * readings. It is used by userspace to discover all the information about the 1474 * vm/vcpu's binary statistics. 1475 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1476 */ 1477 struct kvm_stats_header { 1478 __u32 flags; 1479 __u32 name_size; 1480 __u32 num_desc; 1481 __u32 id_offset; 1482 __u32 desc_offset; 1483 __u32 data_offset; 1484 }; 1485 1486 #define KVM_STATS_TYPE_SHIFT 0 1487 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1488 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1489 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1490 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1491 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1492 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1493 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1494 1495 #define KVM_STATS_UNIT_SHIFT 4 1496 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1497 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1498 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1499 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1500 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1501 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1502 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1503 1504 #define KVM_STATS_BASE_SHIFT 8 1505 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1506 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1507 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1508 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1509 1510 /** 1511 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1512 * @flags: Annotations of the stats, like type, unit, etc. 1513 * @exponent: Used together with @flags to determine the unit. 1514 * @size: The number of data items for this stats. 1515 * Every data item is of type __u64. 1516 * @offset: The offset of the stats to the start of stat structure in 1517 * structure kvm or kvm_vcpu. 1518 * @bucket_size: A parameter value used for histogram stats. It is only used 1519 * for linear histogram stats, specifying the size of the bucket; 1520 * @name: The name string for the stats. Its size is indicated by the 1521 * &kvm_stats_header->name_size. 1522 */ 1523 struct kvm_stats_desc { 1524 __u32 flags; 1525 __s16 exponent; 1526 __u16 size; 1527 __u32 offset; 1528 __u32 bucket_size; 1529 char name[]; 1530 }; 1531 1532 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1533 1534 /* Available with KVM_CAP_XSAVE2 */ 1535 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1536 1537 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1538 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1539 1540 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1541 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1542 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1543 1544 /* Available with KVM_CAP_S390_ZPCI_OP */ 1545 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1546 1547 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1548 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1549 1550 struct kvm_memory_attributes { 1551 __u64 address; 1552 __u64 size; 1553 __u64 attributes; 1554 __u64 flags; 1555 }; 1556 1557 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1558 1559 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1560 1561 struct kvm_create_guest_memfd { 1562 __u64 size; 1563 __u64 flags; 1564 __u64 reserved[6]; 1565 }; 1566 1567 #define KVM_PRE_FAULT_MEMORY _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory) 1568 1569 struct kvm_pre_fault_memory { 1570 __u64 gpa; 1571 __u64 size; 1572 __u64 flags; 1573 __u64 padding[5]; 1574 }; 1575 1576 #endif /* __LINUX_KVM_H */