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/types.h> 12 13 #include <linux/ioctl.h> 14 #include <asm/kvm.h> 15 16 #define KVM_API_VERSION 12 17 18 /* *** Deprecated interfaces *** */ 19 20 #define KVM_TRC_SHIFT 16 21 22 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) 23 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) 24 25 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) 26 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) 27 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) 28 29 #define KVM_TRC_HEAD_SIZE 12 30 #define KVM_TRC_CYCLE_SIZE 8 31 #define KVM_TRC_EXTRA_MAX 7 32 33 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) 34 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) 35 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) 36 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) 37 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) 38 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) 39 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) 40 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) 41 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) 42 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) 43 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) 44 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) 45 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) 46 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) 47 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) 48 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) 49 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) 50 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) 51 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) 52 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) 53 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) 54 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) 55 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) 56 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) 57 58 struct kvm_user_trace_setup { 59 __u32 buf_size; 60 __u32 buf_nr; 61 }; 62 63 #define __KVM_DEPRECATED_MAIN_W_0x06 \ 64 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) 65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07) 66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08) 67 68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq) 69 70 struct kvm_breakpoint { 71 __u32 enabled; 72 __u32 padding; 73 __u64 address; 74 }; 75 76 struct kvm_debug_guest { 77 __u32 enabled; 78 __u32 pad; 79 struct kvm_breakpoint breakpoints[4]; 80 __u32 singlestep; 81 }; 82 83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest) 84 85 /* *** End of deprecated interfaces *** */ 86 87 88 /* for KVM_CREATE_MEMORY_REGION */ 89 struct kvm_memory_region { 90 __u32 slot; 91 __u32 flags; 92 __u64 guest_phys_addr; 93 __u64 memory_size; /* bytes */ 94 }; 95 96 /* for KVM_SET_USER_MEMORY_REGION */ 97 struct kvm_userspace_memory_region { 98 __u32 slot; 99 __u32 flags; 100 __u64 guest_phys_addr; 101 __u64 memory_size; /* bytes */ 102 __u64 userspace_addr; /* start of the userspace allocated memory */ 103 }; 104 105 /* 106 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, 107 * other bits are reserved for kvm internal use which are defined in 108 * include/linux/kvm_host.h. 109 */ 110 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 111 #define KVM_MEM_READONLY (1UL << 1) 112 113 /* for KVM_IRQ_LINE */ 114 struct kvm_irq_level { 115 /* 116 * ACPI gsi notion of irq. 117 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 118 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 119 * For ARM: See Documentation/virtual/kvm/api.txt 120 */ 121 union { 122 __u32 irq; 123 __s32 status; 124 }; 125 __u32 level; 126 }; 127 128 129 struct kvm_irqchip { 130 __u32 chip_id; 131 __u32 pad; 132 union { 133 char dummy[512]; /* reserving space */ 134 #ifdef __KVM_HAVE_PIT 135 struct kvm_pic_state pic; 136 #endif 137 #ifdef __KVM_HAVE_IOAPIC 138 struct kvm_ioapic_state ioapic; 139 #endif 140 } chip; 141 }; 142 143 /* for KVM_CREATE_PIT2 */ 144 struct kvm_pit_config { 145 __u32 flags; 146 __u32 pad[15]; 147 }; 148 149 #define KVM_PIT_SPEAKER_DUMMY 1 150 151 struct kvm_s390_skeys { 152 __u64 start_gfn; 153 __u64 count; 154 __u64 skeydata_addr; 155 __u32 flags; 156 __u32 reserved[9]; 157 }; 158 159 #define KVM_S390_CMMA_PEEK (1 << 0) 160 161 /** 162 * kvm_s390_cmma_log - Used for CMMA migration. 163 * 164 * Used both for input and output. 165 * 166 * @start_gfn: Guest page number to start from. 167 * @count: Size of the result buffer. 168 * @flags: Control operation mode via KVM_S390_CMMA_* flags 169 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 170 * pages are still remaining. 171 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 172 * in the PGSTE. 173 * @values: Pointer to the values buffer. 174 * 175 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 176 */ 177 struct kvm_s390_cmma_log { 178 __u64 start_gfn; 179 __u32 count; 180 __u32 flags; 181 union { 182 __u64 remaining; 183 __u64 mask; 184 }; 185 __u64 values; 186 }; 187 188 struct kvm_hyperv_exit { 189 #define KVM_EXIT_HYPERV_SYNIC 1 190 #define KVM_EXIT_HYPERV_HCALL 2 191 __u32 type; 192 union { 193 struct { 194 __u32 msr; 195 __u64 control; 196 __u64 evt_page; 197 __u64 msg_page; 198 } synic; 199 struct { 200 __u64 input; 201 __u64 result; 202 __u64 params[2]; 203 } hcall; 204 } u; 205 }; 206 207 #define KVM_S390_GET_SKEYS_NONE 1 208 #define KVM_S390_SKEYS_MAX 1048576 209 210 #define KVM_EXIT_UNKNOWN 0 211 #define KVM_EXIT_EXCEPTION 1 212 #define KVM_EXIT_IO 2 213 #define KVM_EXIT_HYPERCALL 3 214 #define KVM_EXIT_DEBUG 4 215 #define KVM_EXIT_HLT 5 216 #define KVM_EXIT_MMIO 6 217 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 218 #define KVM_EXIT_SHUTDOWN 8 219 #define KVM_EXIT_FAIL_ENTRY 9 220 #define KVM_EXIT_INTR 10 221 #define KVM_EXIT_SET_TPR 11 222 #define KVM_EXIT_TPR_ACCESS 12 223 #define KVM_EXIT_S390_SIEIC 13 224 #define KVM_EXIT_S390_RESET 14 225 #define KVM_EXIT_DCR 15 /* deprecated */ 226 #define KVM_EXIT_NMI 16 227 #define KVM_EXIT_INTERNAL_ERROR 17 228 #define KVM_EXIT_OSI 18 229 #define KVM_EXIT_PAPR_HCALL 19 230 #define KVM_EXIT_S390_UCONTROL 20 231 #define KVM_EXIT_WATCHDOG 21 232 #define KVM_EXIT_S390_TSCH 22 233 #define KVM_EXIT_EPR 23 234 #define KVM_EXIT_SYSTEM_EVENT 24 235 #define KVM_EXIT_S390_STSI 25 236 #define KVM_EXIT_IOAPIC_EOI 26 237 #define KVM_EXIT_HYPERV 27 238 239 /* For KVM_EXIT_INTERNAL_ERROR */ 240 /* Emulate instruction failed. */ 241 #define KVM_INTERNAL_ERROR_EMULATION 1 242 /* Encounter unexpected simultaneous exceptions. */ 243 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 244 /* Encounter unexpected vm-exit due to delivery event. */ 245 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 246 247 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 248 struct kvm_run { 249 /* in */ 250 __u8 request_interrupt_window; 251 __u8 immediate_exit; 252 __u8 padding1[6]; 253 254 /* out */ 255 __u32 exit_reason; 256 __u8 ready_for_interrupt_injection; 257 __u8 if_flag; 258 __u16 flags; 259 260 /* in (pre_kvm_run), out (post_kvm_run) */ 261 __u64 cr8; 262 __u64 apic_base; 263 264 #ifdef __KVM_S390 265 /* the processor status word for s390 */ 266 __u64 psw_mask; /* psw upper half */ 267 __u64 psw_addr; /* psw lower half */ 268 #endif 269 union { 270 /* KVM_EXIT_UNKNOWN */ 271 struct { 272 __u64 hardware_exit_reason; 273 } hw; 274 /* KVM_EXIT_FAIL_ENTRY */ 275 struct { 276 __u64 hardware_entry_failure_reason; 277 } fail_entry; 278 /* KVM_EXIT_EXCEPTION */ 279 struct { 280 __u32 exception; 281 __u32 error_code; 282 } ex; 283 /* KVM_EXIT_IO */ 284 struct { 285 #define KVM_EXIT_IO_IN 0 286 #define KVM_EXIT_IO_OUT 1 287 __u8 direction; 288 __u8 size; /* bytes */ 289 __u16 port; 290 __u32 count; 291 __u64 data_offset; /* relative to kvm_run start */ 292 } io; 293 /* KVM_EXIT_DEBUG */ 294 struct { 295 struct kvm_debug_exit_arch arch; 296 } debug; 297 /* KVM_EXIT_MMIO */ 298 struct { 299 __u64 phys_addr; 300 __u8 data[8]; 301 __u32 len; 302 __u8 is_write; 303 } mmio; 304 /* KVM_EXIT_HYPERCALL */ 305 struct { 306 __u64 nr; 307 __u64 args[6]; 308 __u64 ret; 309 __u32 longmode; 310 __u32 pad; 311 } hypercall; 312 /* KVM_EXIT_TPR_ACCESS */ 313 struct { 314 __u64 rip; 315 __u32 is_write; 316 __u32 pad; 317 } tpr_access; 318 /* KVM_EXIT_S390_SIEIC */ 319 struct { 320 __u8 icptcode; 321 __u16 ipa; 322 __u32 ipb; 323 } s390_sieic; 324 /* KVM_EXIT_S390_RESET */ 325 #define KVM_S390_RESET_POR 1 326 #define KVM_S390_RESET_CLEAR 2 327 #define KVM_S390_RESET_SUBSYSTEM 4 328 #define KVM_S390_RESET_CPU_INIT 8 329 #define KVM_S390_RESET_IPL 16 330 __u64 s390_reset_flags; 331 /* KVM_EXIT_S390_UCONTROL */ 332 struct { 333 __u64 trans_exc_code; 334 __u32 pgm_code; 335 } s390_ucontrol; 336 /* KVM_EXIT_DCR (deprecated) */ 337 struct { 338 __u32 dcrn; 339 __u32 data; 340 __u8 is_write; 341 } dcr; 342 /* KVM_EXIT_INTERNAL_ERROR */ 343 struct { 344 __u32 suberror; 345 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 346 __u32 ndata; 347 __u64 data[16]; 348 } internal; 349 /* KVM_EXIT_OSI */ 350 struct { 351 __u64 gprs[32]; 352 } osi; 353 /* KVM_EXIT_PAPR_HCALL */ 354 struct { 355 __u64 nr; 356 __u64 ret; 357 __u64 args[9]; 358 } papr_hcall; 359 /* KVM_EXIT_S390_TSCH */ 360 struct { 361 __u16 subchannel_id; 362 __u16 subchannel_nr; 363 __u32 io_int_parm; 364 __u32 io_int_word; 365 __u32 ipb; 366 __u8 dequeued; 367 } s390_tsch; 368 /* KVM_EXIT_EPR */ 369 struct { 370 __u32 epr; 371 } epr; 372 /* KVM_EXIT_SYSTEM_EVENT */ 373 struct { 374 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 375 #define KVM_SYSTEM_EVENT_RESET 2 376 #define KVM_SYSTEM_EVENT_CRASH 3 377 __u32 type; 378 __u64 flags; 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 /* Fix the size of the union. */ 396 char padding[256]; 397 }; 398 399 /* 400 * shared registers between kvm and userspace. 401 * kvm_valid_regs specifies the register classes set by the host 402 * kvm_dirty_regs specified the register classes dirtied by userspace 403 * struct kvm_sync_regs is architecture specific, as well as the 404 * bits for kvm_valid_regs and kvm_dirty_regs 405 */ 406 __u64 kvm_valid_regs; 407 __u64 kvm_dirty_regs; 408 union { 409 struct kvm_sync_regs regs; 410 char padding[2048]; 411 } s; 412 }; 413 414 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 415 416 struct kvm_coalesced_mmio_zone { 417 __u64 addr; 418 __u32 size; 419 __u32 pad; 420 }; 421 422 struct kvm_coalesced_mmio { 423 __u64 phys_addr; 424 __u32 len; 425 __u32 pad; 426 __u8 data[8]; 427 }; 428 429 struct kvm_coalesced_mmio_ring { 430 __u32 first, last; 431 struct kvm_coalesced_mmio coalesced_mmio[0]; 432 }; 433 434 #define KVM_COALESCED_MMIO_MAX \ 435 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 436 sizeof(struct kvm_coalesced_mmio)) 437 438 /* for KVM_TRANSLATE */ 439 struct kvm_translation { 440 /* in */ 441 __u64 linear_address; 442 443 /* out */ 444 __u64 physical_address; 445 __u8 valid; 446 __u8 writeable; 447 __u8 usermode; 448 __u8 pad[5]; 449 }; 450 451 /* for KVM_S390_MEM_OP */ 452 struct kvm_s390_mem_op { 453 /* in */ 454 __u64 gaddr; /* the guest address */ 455 __u64 flags; /* flags */ 456 __u32 size; /* amount of bytes */ 457 __u32 op; /* type of operation */ 458 __u64 buf; /* buffer in userspace */ 459 __u8 ar; /* the access register number */ 460 __u8 reserved[31]; /* should be set to 0 */ 461 }; 462 /* types for kvm_s390_mem_op->op */ 463 #define KVM_S390_MEMOP_LOGICAL_READ 0 464 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 465 /* flags for kvm_s390_mem_op->flags */ 466 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 467 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 468 469 /* for KVM_INTERRUPT */ 470 struct kvm_interrupt { 471 /* in */ 472 __u32 irq; 473 }; 474 475 /* for KVM_GET_DIRTY_LOG */ 476 struct kvm_dirty_log { 477 __u32 slot; 478 __u32 padding1; 479 union { 480 void *dirty_bitmap; /* one bit per page */ 481 __u64 padding2; 482 }; 483 }; 484 485 /* for KVM_SET_SIGNAL_MASK */ 486 struct kvm_signal_mask { 487 __u32 len; 488 __u8 sigset[0]; 489 }; 490 491 /* for KVM_TPR_ACCESS_REPORTING */ 492 struct kvm_tpr_access_ctl { 493 __u32 enabled; 494 __u32 flags; 495 __u32 reserved[8]; 496 }; 497 498 /* for KVM_SET_VAPIC_ADDR */ 499 struct kvm_vapic_addr { 500 __u64 vapic_addr; 501 }; 502 503 /* for KVM_SET_MP_STATE */ 504 505 /* not all states are valid on all architectures */ 506 #define KVM_MP_STATE_RUNNABLE 0 507 #define KVM_MP_STATE_UNINITIALIZED 1 508 #define KVM_MP_STATE_INIT_RECEIVED 2 509 #define KVM_MP_STATE_HALTED 3 510 #define KVM_MP_STATE_SIPI_RECEIVED 4 511 #define KVM_MP_STATE_STOPPED 5 512 #define KVM_MP_STATE_CHECK_STOP 6 513 #define KVM_MP_STATE_OPERATING 7 514 #define KVM_MP_STATE_LOAD 8 515 516 struct kvm_mp_state { 517 __u32 mp_state; 518 }; 519 520 struct kvm_s390_psw { 521 __u64 mask; 522 __u64 addr; 523 }; 524 525 /* valid values for type in kvm_s390_interrupt */ 526 #define KVM_S390_SIGP_STOP 0xfffe0000u 527 #define KVM_S390_PROGRAM_INT 0xfffe0001u 528 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 529 #define KVM_S390_RESTART 0xfffe0003u 530 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 531 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 532 #define KVM_S390_MCHK 0xfffe1000u 533 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 534 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 535 #define KVM_S390_INT_VIRTIO 0xffff2603u 536 #define KVM_S390_INT_SERVICE 0xffff2401u 537 #define KVM_S390_INT_EMERGENCY 0xffff1201u 538 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 539 /* Anything below 0xfffe0000u is taken by INT_IO */ 540 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 541 (((schid)) | \ 542 ((ssid) << 16) | \ 543 ((cssid) << 18) | \ 544 ((ai) << 26)) 545 #define KVM_S390_INT_IO_MIN 0x00000000u 546 #define KVM_S390_INT_IO_MAX 0xfffdffffu 547 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 548 549 550 struct kvm_s390_interrupt { 551 __u32 type; 552 __u32 parm; 553 __u64 parm64; 554 }; 555 556 struct kvm_s390_io_info { 557 __u16 subchannel_id; 558 __u16 subchannel_nr; 559 __u32 io_int_parm; 560 __u32 io_int_word; 561 }; 562 563 struct kvm_s390_ext_info { 564 __u32 ext_params; 565 __u32 pad; 566 __u64 ext_params2; 567 }; 568 569 struct kvm_s390_pgm_info { 570 __u64 trans_exc_code; 571 __u64 mon_code; 572 __u64 per_address; 573 __u32 data_exc_code; 574 __u16 code; 575 __u16 mon_class_nr; 576 __u8 per_code; 577 __u8 per_atmid; 578 __u8 exc_access_id; 579 __u8 per_access_id; 580 __u8 op_access_id; 581 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 582 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 583 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 584 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 585 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 586 __u8 flags; 587 __u8 pad[2]; 588 }; 589 590 struct kvm_s390_prefix_info { 591 __u32 address; 592 }; 593 594 struct kvm_s390_extcall_info { 595 __u16 code; 596 }; 597 598 struct kvm_s390_emerg_info { 599 __u16 code; 600 }; 601 602 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 603 struct kvm_s390_stop_info { 604 __u32 flags; 605 }; 606 607 struct kvm_s390_mchk_info { 608 __u64 cr14; 609 __u64 mcic; 610 __u64 failing_storage_address; 611 __u32 ext_damage_code; 612 __u32 pad; 613 __u8 fixed_logout[16]; 614 }; 615 616 struct kvm_s390_irq { 617 __u64 type; 618 union { 619 struct kvm_s390_io_info io; 620 struct kvm_s390_ext_info ext; 621 struct kvm_s390_pgm_info pgm; 622 struct kvm_s390_emerg_info emerg; 623 struct kvm_s390_extcall_info extcall; 624 struct kvm_s390_prefix_info prefix; 625 struct kvm_s390_stop_info stop; 626 struct kvm_s390_mchk_info mchk; 627 char reserved[64]; 628 } u; 629 }; 630 631 struct kvm_s390_irq_state { 632 __u64 buf; 633 __u32 flags; /* will stay unused for compatibility reasons */ 634 __u32 len; 635 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 636 }; 637 638 /* for KVM_SET_GUEST_DEBUG */ 639 640 #define KVM_GUESTDBG_ENABLE 0x00000001 641 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 642 643 struct kvm_guest_debug { 644 __u32 control; 645 __u32 pad; 646 struct kvm_guest_debug_arch arch; 647 }; 648 649 enum { 650 kvm_ioeventfd_flag_nr_datamatch, 651 kvm_ioeventfd_flag_nr_pio, 652 kvm_ioeventfd_flag_nr_deassign, 653 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 654 kvm_ioeventfd_flag_nr_fast_mmio, 655 kvm_ioeventfd_flag_nr_max, 656 }; 657 658 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 659 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 660 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 661 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 662 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 663 664 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 665 666 struct kvm_ioeventfd { 667 __u64 datamatch; 668 __u64 addr; /* legal pio/mmio address */ 669 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 670 __s32 fd; 671 __u32 flags; 672 __u8 pad[36]; 673 }; 674 675 /* for KVM_ENABLE_CAP */ 676 struct kvm_enable_cap { 677 /* in */ 678 __u32 cap; 679 __u32 flags; 680 __u64 args[4]; 681 __u8 pad[64]; 682 }; 683 684 /* for KVM_PPC_GET_PVINFO */ 685 686 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 687 688 struct kvm_ppc_pvinfo { 689 /* out */ 690 __u32 flags; 691 __u32 hcall[4]; 692 __u8 pad[108]; 693 }; 694 695 /* for KVM_PPC_GET_SMMU_INFO */ 696 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 697 698 struct kvm_ppc_one_page_size { 699 __u32 page_shift; /* Page shift (or 0) */ 700 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 701 }; 702 703 struct kvm_ppc_one_seg_page_size { 704 __u32 page_shift; /* Base page shift of segment (or 0) */ 705 __u32 slb_enc; /* SLB encoding for BookS */ 706 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 707 }; 708 709 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 710 #define KVM_PPC_1T_SEGMENTS 0x00000002 711 712 struct kvm_ppc_smmu_info { 713 __u64 flags; 714 __u32 slb_size; 715 __u16 data_keys; /* # storage keys supported for data */ 716 __u16 instr_keys; /* # storage keys supported for instructions */ 717 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 718 }; 719 720 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 721 struct kvm_ppc_resize_hpt { 722 __u64 flags; 723 __u32 shift; 724 __u32 pad; 725 }; 726 727 #define KVMIO 0xAE 728 729 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 730 #define KVM_VM_S390_UCONTROL 1 731 732 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 733 #define KVM_VM_PPC_HV 1 734 #define KVM_VM_PPC_PR 2 735 736 /* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */ 737 #define KVM_VM_MIPS_TE 0 738 #define KVM_VM_MIPS_VZ 1 739 740 #define KVM_S390_SIE_PAGE_OFFSET 1 741 742 /* 743 * ioctls for /dev/kvm fds: 744 */ 745 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 746 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 747 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 748 749 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 750 /* 751 * Check if a kvm extension is available. Argument is extension number, 752 * return is 1 (yes) or 0 (no, sorry). 753 */ 754 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 755 /* 756 * Get size for mmap(vcpu_fd) 757 */ 758 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 759 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 760 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 761 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 762 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 763 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 764 765 /* 766 * Extension capability list. 767 */ 768 #define KVM_CAP_IRQCHIP 0 769 #define KVM_CAP_HLT 1 770 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 771 #define KVM_CAP_USER_MEMORY 3 772 #define KVM_CAP_SET_TSS_ADDR 4 773 #define KVM_CAP_VAPIC 6 774 #define KVM_CAP_EXT_CPUID 7 775 #define KVM_CAP_CLOCKSOURCE 8 776 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 777 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 778 #define KVM_CAP_PIT 11 779 #define KVM_CAP_NOP_IO_DELAY 12 780 #define KVM_CAP_PV_MMU 13 781 #define KVM_CAP_MP_STATE 14 782 #define KVM_CAP_COALESCED_MMIO 15 783 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 784 #define KVM_CAP_IOMMU 18 785 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 786 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 787 #define KVM_CAP_USER_NMI 22 788 #ifdef __KVM_HAVE_GUEST_DEBUG 789 #define KVM_CAP_SET_GUEST_DEBUG 23 790 #endif 791 #ifdef __KVM_HAVE_PIT 792 #define KVM_CAP_REINJECT_CONTROL 24 793 #endif 794 #define KVM_CAP_IRQ_ROUTING 25 795 #define KVM_CAP_IRQ_INJECT_STATUS 26 796 #define KVM_CAP_ASSIGN_DEV_IRQ 29 797 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 798 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 799 #ifdef __KVM_HAVE_MCE 800 #define KVM_CAP_MCE 31 801 #endif 802 #define KVM_CAP_IRQFD 32 803 #ifdef __KVM_HAVE_PIT 804 #define KVM_CAP_PIT2 33 805 #endif 806 #define KVM_CAP_SET_BOOT_CPU_ID 34 807 #ifdef __KVM_HAVE_PIT_STATE2 808 #define KVM_CAP_PIT_STATE2 35 809 #endif 810 #define KVM_CAP_IOEVENTFD 36 811 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 812 #ifdef __KVM_HAVE_XEN_HVM 813 #define KVM_CAP_XEN_HVM 38 814 #endif 815 #define KVM_CAP_ADJUST_CLOCK 39 816 #define KVM_CAP_INTERNAL_ERROR_DATA 40 817 #ifdef __KVM_HAVE_VCPU_EVENTS 818 #define KVM_CAP_VCPU_EVENTS 41 819 #endif 820 #define KVM_CAP_S390_PSW 42 821 #define KVM_CAP_PPC_SEGSTATE 43 822 #define KVM_CAP_HYPERV 44 823 #define KVM_CAP_HYPERV_VAPIC 45 824 #define KVM_CAP_HYPERV_SPIN 46 825 #define KVM_CAP_PCI_SEGMENT 47 826 #define KVM_CAP_PPC_PAIRED_SINGLES 48 827 #define KVM_CAP_INTR_SHADOW 49 828 #ifdef __KVM_HAVE_DEBUGREGS 829 #define KVM_CAP_DEBUGREGS 50 830 #endif 831 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 832 #define KVM_CAP_PPC_OSI 52 833 #define KVM_CAP_PPC_UNSET_IRQ 53 834 #define KVM_CAP_ENABLE_CAP 54 835 #ifdef __KVM_HAVE_XSAVE 836 #define KVM_CAP_XSAVE 55 837 #endif 838 #ifdef __KVM_HAVE_XCRS 839 #define KVM_CAP_XCRS 56 840 #endif 841 #define KVM_CAP_PPC_GET_PVINFO 57 842 #define KVM_CAP_PPC_IRQ_LEVEL 58 843 #define KVM_CAP_ASYNC_PF 59 844 #define KVM_CAP_TSC_CONTROL 60 845 #define KVM_CAP_GET_TSC_KHZ 61 846 #define KVM_CAP_PPC_BOOKE_SREGS 62 847 #define KVM_CAP_SPAPR_TCE 63 848 #define KVM_CAP_PPC_SMT 64 849 #define KVM_CAP_PPC_RMA 65 850 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 851 #define KVM_CAP_PPC_HIOR 67 852 #define KVM_CAP_PPC_PAPR 68 853 #define KVM_CAP_SW_TLB 69 854 #define KVM_CAP_ONE_REG 70 855 #define KVM_CAP_S390_GMAP 71 856 #define KVM_CAP_TSC_DEADLINE_TIMER 72 857 #define KVM_CAP_S390_UCONTROL 73 858 #define KVM_CAP_SYNC_REGS 74 859 #define KVM_CAP_PCI_2_3 75 860 #define KVM_CAP_KVMCLOCK_CTRL 76 861 #define KVM_CAP_SIGNAL_MSI 77 862 #define KVM_CAP_PPC_GET_SMMU_INFO 78 863 #define KVM_CAP_S390_COW 79 864 #define KVM_CAP_PPC_ALLOC_HTAB 80 865 #define KVM_CAP_READONLY_MEM 81 866 #define KVM_CAP_IRQFD_RESAMPLE 82 867 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 868 #define KVM_CAP_PPC_HTAB_FD 84 869 #define KVM_CAP_S390_CSS_SUPPORT 85 870 #define KVM_CAP_PPC_EPR 86 871 #define KVM_CAP_ARM_PSCI 87 872 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 873 #define KVM_CAP_DEVICE_CTRL 89 874 #define KVM_CAP_IRQ_MPIC 90 875 #define KVM_CAP_PPC_RTAS 91 876 #define KVM_CAP_IRQ_XICS 92 877 #define KVM_CAP_ARM_EL1_32BIT 93 878 #define KVM_CAP_SPAPR_MULTITCE 94 879 #define KVM_CAP_EXT_EMUL_CPUID 95 880 #define KVM_CAP_HYPERV_TIME 96 881 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 882 #define KVM_CAP_ENABLE_CAP_VM 98 883 #define KVM_CAP_S390_IRQCHIP 99 884 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 885 #define KVM_CAP_VM_ATTRIBUTES 101 886 #define KVM_CAP_ARM_PSCI_0_2 102 887 #define KVM_CAP_PPC_FIXUP_HCALL 103 888 #define KVM_CAP_PPC_ENABLE_HCALL 104 889 #define KVM_CAP_CHECK_EXTENSION_VM 105 890 #define KVM_CAP_S390_USER_SIGP 106 891 #define KVM_CAP_S390_VECTOR_REGISTERS 107 892 #define KVM_CAP_S390_MEM_OP 108 893 #define KVM_CAP_S390_USER_STSI 109 894 #define KVM_CAP_S390_SKEYS 110 895 #define KVM_CAP_MIPS_FPU 111 896 #define KVM_CAP_MIPS_MSA 112 897 #define KVM_CAP_S390_INJECT_IRQ 113 898 #define KVM_CAP_S390_IRQ_STATE 114 899 #define KVM_CAP_PPC_HWRNG 115 900 #define KVM_CAP_DISABLE_QUIRKS 116 901 #define KVM_CAP_X86_SMM 117 902 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 903 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 904 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 905 #define KVM_CAP_SPLIT_IRQCHIP 121 906 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 907 #define KVM_CAP_HYPERV_SYNIC 123 908 #define KVM_CAP_S390_RI 124 909 #define KVM_CAP_SPAPR_TCE_64 125 910 #define KVM_CAP_ARM_PMU_V3 126 911 #define KVM_CAP_VCPU_ATTRIBUTES 127 912 #define KVM_CAP_MAX_VCPU_ID 128 913 #define KVM_CAP_X2APIC_API 129 914 #define KVM_CAP_S390_USER_INSTR0 130 915 #define KVM_CAP_MSI_DEVID 131 916 #define KVM_CAP_PPC_HTM 132 917 #define KVM_CAP_SPAPR_RESIZE_HPT 133 918 #define KVM_CAP_PPC_MMU_RADIX 134 919 #define KVM_CAP_PPC_MMU_HASH_V3 135 920 #define KVM_CAP_IMMEDIATE_EXIT 136 921 #define KVM_CAP_MIPS_VZ 137 922 #define KVM_CAP_MIPS_TE 138 923 #define KVM_CAP_MIPS_64BIT 139 924 #define KVM_CAP_S390_GS 140 925 #define KVM_CAP_S390_AIS 141 926 #define KVM_CAP_SPAPR_TCE_VFIO 142 927 #define KVM_CAP_X86_GUEST_MWAIT 143 928 #define KVM_CAP_ARM_USER_IRQ 144 929 #define KVM_CAP_S390_CMMA_MIGRATION 145 930 #define KVM_CAP_PPC_FWNMI 146 931 #define KVM_CAP_PPC_SMT_POSSIBLE 147 932 #define KVM_CAP_HYPERV_SYNIC2 148 933 #define KVM_CAP_HYPERV_VP_INDEX 149 934 #define KVM_CAP_S390_AIS_MIGRATION 150 935 #define KVM_CAP_PPC_GET_CPU_CHAR 151 936 #define KVM_CAP_S390_BPB 152 937 938 #ifdef KVM_CAP_IRQ_ROUTING 939 940 struct kvm_irq_routing_irqchip { 941 __u32 irqchip; 942 __u32 pin; 943 }; 944 945 struct kvm_irq_routing_msi { 946 __u32 address_lo; 947 __u32 address_hi; 948 __u32 data; 949 union { 950 __u32 pad; 951 __u32 devid; 952 }; 953 }; 954 955 struct kvm_irq_routing_s390_adapter { 956 __u64 ind_addr; 957 __u64 summary_addr; 958 __u64 ind_offset; 959 __u32 summary_offset; 960 __u32 adapter_id; 961 }; 962 963 struct kvm_irq_routing_hv_sint { 964 __u32 vcpu; 965 __u32 sint; 966 }; 967 968 /* gsi routing entry types */ 969 #define KVM_IRQ_ROUTING_IRQCHIP 1 970 #define KVM_IRQ_ROUTING_MSI 2 971 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 972 #define KVM_IRQ_ROUTING_HV_SINT 4 973 974 struct kvm_irq_routing_entry { 975 __u32 gsi; 976 __u32 type; 977 __u32 flags; 978 __u32 pad; 979 union { 980 struct kvm_irq_routing_irqchip irqchip; 981 struct kvm_irq_routing_msi msi; 982 struct kvm_irq_routing_s390_adapter adapter; 983 struct kvm_irq_routing_hv_sint hv_sint; 984 __u32 pad[8]; 985 } u; 986 }; 987 988 struct kvm_irq_routing { 989 __u32 nr; 990 __u32 flags; 991 struct kvm_irq_routing_entry entries[0]; 992 }; 993 994 #endif 995 996 #ifdef KVM_CAP_MCE 997 /* x86 MCE */ 998 struct kvm_x86_mce { 999 __u64 status; 1000 __u64 addr; 1001 __u64 misc; 1002 __u64 mcg_status; 1003 __u8 bank; 1004 __u8 pad1[7]; 1005 __u64 pad2[3]; 1006 }; 1007 #endif 1008 1009 #ifdef KVM_CAP_XEN_HVM 1010 struct kvm_xen_hvm_config { 1011 __u32 flags; 1012 __u32 msr; 1013 __u64 blob_addr_32; 1014 __u64 blob_addr_64; 1015 __u8 blob_size_32; 1016 __u8 blob_size_64; 1017 __u8 pad2[30]; 1018 }; 1019 #endif 1020 1021 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1022 /* 1023 * Available with KVM_CAP_IRQFD_RESAMPLE 1024 * 1025 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1026 * the irqfd to operate in resampling mode for level triggered interrupt 1027 * emulation. See Documentation/virtual/kvm/api.txt. 1028 */ 1029 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1030 1031 struct kvm_irqfd { 1032 __u32 fd; 1033 __u32 gsi; 1034 __u32 flags; 1035 __u32 resamplefd; 1036 __u8 pad[16]; 1037 }; 1038 1039 /* For KVM_CAP_ADJUST_CLOCK */ 1040 1041 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1042 #define KVM_CLOCK_TSC_STABLE 2 1043 1044 struct kvm_clock_data { 1045 __u64 clock; 1046 __u32 flags; 1047 __u32 pad[9]; 1048 }; 1049 1050 /* For KVM_CAP_SW_TLB */ 1051 1052 #define KVM_MMU_FSL_BOOKE_NOHV 0 1053 #define KVM_MMU_FSL_BOOKE_HV 1 1054 1055 struct kvm_config_tlb { 1056 __u64 params; 1057 __u64 array; 1058 __u32 mmu_type; 1059 __u32 array_len; 1060 }; 1061 1062 struct kvm_dirty_tlb { 1063 __u64 bitmap; 1064 __u32 num_dirty; 1065 }; 1066 1067 /* Available with KVM_CAP_ONE_REG */ 1068 1069 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1070 #define KVM_REG_GENERIC 0x0000000000000000ULL 1071 1072 /* 1073 * Architecture specific registers are to be defined in arch headers and 1074 * ORed with the arch identifier. 1075 */ 1076 #define KVM_REG_PPC 0x1000000000000000ULL 1077 #define KVM_REG_X86 0x2000000000000000ULL 1078 #define KVM_REG_IA64 0x3000000000000000ULL 1079 #define KVM_REG_ARM 0x4000000000000000ULL 1080 #define KVM_REG_S390 0x5000000000000000ULL 1081 #define KVM_REG_ARM64 0x6000000000000000ULL 1082 #define KVM_REG_MIPS 0x7000000000000000ULL 1083 1084 #define KVM_REG_SIZE_SHIFT 52 1085 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1086 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1087 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1088 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1089 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1090 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1091 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1092 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1093 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1094 1095 struct kvm_reg_list { 1096 __u64 n; /* number of regs */ 1097 __u64 reg[0]; 1098 }; 1099 1100 struct kvm_one_reg { 1101 __u64 id; 1102 __u64 addr; 1103 }; 1104 1105 #define KVM_MSI_VALID_DEVID (1U << 0) 1106 struct kvm_msi { 1107 __u32 address_lo; 1108 __u32 address_hi; 1109 __u32 data; 1110 __u32 flags; 1111 __u32 devid; 1112 __u8 pad[12]; 1113 }; 1114 1115 struct kvm_arm_device_addr { 1116 __u64 id; 1117 __u64 addr; 1118 }; 1119 1120 /* 1121 * Device control API, available with KVM_CAP_DEVICE_CTRL 1122 */ 1123 #define KVM_CREATE_DEVICE_TEST 1 1124 1125 struct kvm_create_device { 1126 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1127 __u32 fd; /* out: device handle */ 1128 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1129 }; 1130 1131 struct kvm_device_attr { 1132 __u32 flags; /* no flags currently defined */ 1133 __u32 group; /* device-defined */ 1134 __u64 attr; /* group-defined */ 1135 __u64 addr; /* userspace address of attr data */ 1136 }; 1137 1138 #define KVM_DEV_VFIO_GROUP 1 1139 #define KVM_DEV_VFIO_GROUP_ADD 1 1140 #define KVM_DEV_VFIO_GROUP_DEL 2 1141 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1142 1143 enum kvm_device_type { 1144 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1145 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1146 KVM_DEV_TYPE_FSL_MPIC_42, 1147 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1148 KVM_DEV_TYPE_XICS, 1149 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1150 KVM_DEV_TYPE_VFIO, 1151 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1152 KVM_DEV_TYPE_ARM_VGIC_V2, 1153 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1154 KVM_DEV_TYPE_FLIC, 1155 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1156 KVM_DEV_TYPE_ARM_VGIC_V3, 1157 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1158 KVM_DEV_TYPE_ARM_VGIC_ITS, 1159 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1160 KVM_DEV_TYPE_MAX, 1161 }; 1162 1163 struct kvm_vfio_spapr_tce { 1164 __s32 groupfd; 1165 __s32 tablefd; 1166 }; 1167 1168 /* 1169 * ioctls for VM fds 1170 */ 1171 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1172 /* 1173 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1174 * a vcpu fd. 1175 */ 1176 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1177 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1178 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1179 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1180 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1181 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 1182 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1183 struct kvm_userspace_memory_region) 1184 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1185 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1186 1187 /* enable ucontrol for s390 */ 1188 struct kvm_s390_ucas_mapping { 1189 __u64 user_addr; 1190 __u64 vcpu_addr; 1191 __u64 length; 1192 }; 1193 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1194 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1195 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1196 1197 /* Device model IOC */ 1198 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1199 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1200 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1201 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1202 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1203 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1204 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1205 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1206 #define KVM_REGISTER_COALESCED_MMIO \ 1207 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1208 #define KVM_UNREGISTER_COALESCED_MMIO \ 1209 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1210 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1211 struct kvm_assigned_pci_dev) 1212 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1213 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1214 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1215 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1216 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1217 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1218 struct kvm_assigned_pci_dev) 1219 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1220 struct kvm_assigned_msix_nr) 1221 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1222 struct kvm_assigned_msix_entry) 1223 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1224 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1225 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1226 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1227 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1228 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1229 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1230 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1231 /* Available with KVM_CAP_PIT_STATE2 */ 1232 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1233 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1234 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1235 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1236 /* Available with KVM_CAP_TSC_CONTROL */ 1237 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1238 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1239 /* Available with KVM_CAP_PCI_2_3 */ 1240 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1241 struct kvm_assigned_pci_dev) 1242 /* Available with KVM_CAP_SIGNAL_MSI */ 1243 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1244 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1245 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1246 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1247 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1248 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1249 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1250 struct kvm_create_spapr_tce_64) 1251 /* Available with KVM_CAP_RMA */ 1252 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1253 /* Available with KVM_CAP_PPC_HTAB_FD */ 1254 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1255 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1256 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1257 /* Available with KVM_CAP_PPC_RTAS */ 1258 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1259 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1260 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1261 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1262 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1263 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1264 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1265 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1266 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1267 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1268 1269 /* ioctl for vm fd */ 1270 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1271 1272 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1273 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1274 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1275 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1276 1277 /* 1278 * ioctls for vcpu fds 1279 */ 1280 #define KVM_RUN _IO(KVMIO, 0x80) 1281 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1282 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1283 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1284 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1285 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1286 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1287 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1288 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1289 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1290 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1291 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1292 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1293 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1294 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1295 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1296 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1297 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1298 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1299 /* Available with KVM_CAP_VAPIC */ 1300 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1301 /* Available with KVM_CAP_VAPIC */ 1302 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1303 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1304 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1305 /* store status for s390 */ 1306 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1307 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1308 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1309 /* initial ipl psw for s390 */ 1310 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1311 /* initial reset for s390 */ 1312 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1313 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1314 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1315 /* Available with KVM_CAP_USER_NMI */ 1316 #define KVM_NMI _IO(KVMIO, 0x9a) 1317 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1318 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1319 /* MCE for x86 */ 1320 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1321 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1322 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1323 /* Available with KVM_CAP_VCPU_EVENTS */ 1324 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1325 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1326 /* Available with KVM_CAP_DEBUGREGS */ 1327 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1328 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1329 /* 1330 * vcpu version available with KVM_ENABLE_CAP 1331 * vm version available with KVM_CAP_ENABLE_CAP_VM 1332 */ 1333 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1334 /* Available with KVM_CAP_XSAVE */ 1335 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1336 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1337 /* Available with KVM_CAP_XCRS */ 1338 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1339 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1340 /* Available with KVM_CAP_SW_TLB */ 1341 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1342 /* Available with KVM_CAP_ONE_REG */ 1343 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1344 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1345 /* VM is being stopped by host */ 1346 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1347 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1348 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1349 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1350 /* Available with KVM_CAP_S390_MEM_OP */ 1351 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1352 /* Available with KVM_CAP_S390_SKEYS */ 1353 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1354 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1355 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1356 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1357 /* Available with KVM_CAP_S390_IRQ_STATE */ 1358 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1359 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1360 /* Available with KVM_CAP_X86_SMM */ 1361 #define KVM_SMI _IO(KVMIO, 0xb7) 1362 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1363 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1364 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1365 1366 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1367 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1368 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1369 1370 struct kvm_assigned_pci_dev { 1371 __u32 assigned_dev_id; 1372 __u32 busnr; 1373 __u32 devfn; 1374 __u32 flags; 1375 __u32 segnr; 1376 union { 1377 __u32 reserved[11]; 1378 }; 1379 }; 1380 1381 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1382 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1383 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1384 1385 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1386 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1387 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1388 1389 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1390 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1391 1392 struct kvm_assigned_irq { 1393 __u32 assigned_dev_id; 1394 __u32 host_irq; /* ignored (legacy field) */ 1395 __u32 guest_irq; 1396 __u32 flags; 1397 union { 1398 __u32 reserved[12]; 1399 }; 1400 }; 1401 1402 struct kvm_assigned_msix_nr { 1403 __u32 assigned_dev_id; 1404 __u16 entry_nr; 1405 __u16 padding; 1406 }; 1407 1408 #define KVM_MAX_MSIX_PER_DEV 256 1409 struct kvm_assigned_msix_entry { 1410 __u32 assigned_dev_id; 1411 __u32 gsi; 1412 __u16 entry; /* The index of entry in the MSI-X table */ 1413 __u16 padding[3]; 1414 }; 1415 1416 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 1417 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 1418 1419 /* Available with KVM_CAP_ARM_USER_IRQ */ 1420 1421 /* Bits for run->s.regs.device_irq_level */ 1422 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1423 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1424 #define KVM_ARM_DEV_PMU (1 << 2) 1425 1426 #endif /* __LINUX_KVM_H */ 1427