1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 #include <linux/compiler.h> 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* *** Deprecated interfaces *** */ 20 21 #define KVM_TRC_SHIFT 16 22 23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) 24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) 25 26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) 27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) 28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) 29 30 #define KVM_TRC_HEAD_SIZE 12 31 #define KVM_TRC_CYCLE_SIZE 8 32 #define KVM_TRC_EXTRA_MAX 7 33 34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) 35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) 36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) 37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) 38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) 39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) 40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) 41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) 42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) 43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) 44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) 45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) 46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) 47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) 48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) 49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) 50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) 51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) 52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) 53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) 54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) 55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) 56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) 57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) 58 59 struct kvm_user_trace_setup { 60 __u32 buf_size; 61 __u32 buf_nr; 62 }; 63 64 #define __KVM_DEPRECATED_MAIN_W_0x06 \ 65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) 66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07) 67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08) 68 69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq) 70 71 struct kvm_breakpoint { 72 __u32 enabled; 73 __u32 padding; 74 __u64 address; 75 }; 76 77 struct kvm_debug_guest { 78 __u32 enabled; 79 __u32 pad; 80 struct kvm_breakpoint breakpoints[4]; 81 __u32 singlestep; 82 }; 83 84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest) 85 86 /* *** End of deprecated interfaces *** */ 87 88 89 /* for KVM_CREATE_MEMORY_REGION */ 90 struct kvm_memory_region { 91 __u32 slot; 92 __u32 flags; 93 __u64 guest_phys_addr; 94 __u64 memory_size; /* bytes */ 95 }; 96 97 /* for KVM_SET_USER_MEMORY_REGION */ 98 struct kvm_userspace_memory_region { 99 __u32 slot; 100 __u32 flags; 101 __u64 guest_phys_addr; 102 __u64 memory_size; /* bytes */ 103 __u64 userspace_addr; /* start of the userspace allocated memory */ 104 }; 105 106 /* 107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, 108 * other bits are reserved for kvm internal use which are defined in 109 * include/linux/kvm_host.h. 110 */ 111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 112 #define KVM_MEM_READONLY (1UL << 1) 113 114 /* for KVM_IRQ_LINE */ 115 struct kvm_irq_level { 116 /* 117 * ACPI gsi notion of irq. 118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 120 * For ARM: See Documentation/virt/kvm/api.rst 121 */ 122 union { 123 __u32 irq; 124 __s32 status; 125 }; 126 __u32 level; 127 }; 128 129 130 struct kvm_irqchip { 131 __u32 chip_id; 132 __u32 pad; 133 union { 134 char dummy[512]; /* reserving space */ 135 #ifdef __KVM_HAVE_PIT 136 struct kvm_pic_state pic; 137 #endif 138 #ifdef __KVM_HAVE_IOAPIC 139 struct kvm_ioapic_state ioapic; 140 #endif 141 } chip; 142 }; 143 144 /* for KVM_CREATE_PIT2 */ 145 struct kvm_pit_config { 146 __u32 flags; 147 __u32 pad[15]; 148 }; 149 150 #define KVM_PIT_SPEAKER_DUMMY 1 151 152 struct kvm_s390_skeys { 153 __u64 start_gfn; 154 __u64 count; 155 __u64 skeydata_addr; 156 __u32 flags; 157 __u32 reserved[9]; 158 }; 159 160 #define KVM_S390_CMMA_PEEK (1 << 0) 161 162 /** 163 * kvm_s390_cmma_log - Used for CMMA migration. 164 * 165 * Used both for input and output. 166 * 167 * @start_gfn: Guest page number to start from. 168 * @count: Size of the result buffer. 169 * @flags: Control operation mode via KVM_S390_CMMA_* flags 170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 171 * pages are still remaining. 172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 173 * in the PGSTE. 174 * @values: Pointer to the values buffer. 175 * 176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 177 */ 178 struct kvm_s390_cmma_log { 179 __u64 start_gfn; 180 __u32 count; 181 __u32 flags; 182 union { 183 __u64 remaining; 184 __u64 mask; 185 }; 186 __u64 values; 187 }; 188 189 struct kvm_hyperv_exit { 190 #define KVM_EXIT_HYPERV_SYNIC 1 191 #define KVM_EXIT_HYPERV_HCALL 2 192 #define KVM_EXIT_HYPERV_SYNDBG 3 193 __u32 type; 194 __u32 pad1; 195 union { 196 struct { 197 __u32 msr; 198 __u32 pad2; 199 __u64 control; 200 __u64 evt_page; 201 __u64 msg_page; 202 } synic; 203 struct { 204 __u64 input; 205 __u64 result; 206 __u64 params[2]; 207 } hcall; 208 struct { 209 __u32 msr; 210 __u32 pad2; 211 __u64 control; 212 __u64 status; 213 __u64 send_page; 214 __u64 recv_page; 215 __u64 pending_page; 216 } syndbg; 217 } u; 218 }; 219 220 struct kvm_xen_exit { 221 #define KVM_EXIT_XEN_HCALL 1 222 __u32 type; 223 union { 224 struct { 225 __u32 longmode; 226 __u32 cpl; 227 __u64 input; 228 __u64 result; 229 __u64 params[6]; 230 } hcall; 231 } u; 232 }; 233 234 #define KVM_S390_GET_SKEYS_NONE 1 235 #define KVM_S390_SKEYS_MAX 1048576 236 237 #define KVM_EXIT_UNKNOWN 0 238 #define KVM_EXIT_EXCEPTION 1 239 #define KVM_EXIT_IO 2 240 #define KVM_EXIT_HYPERCALL 3 241 #define KVM_EXIT_DEBUG 4 242 #define KVM_EXIT_HLT 5 243 #define KVM_EXIT_MMIO 6 244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 245 #define KVM_EXIT_SHUTDOWN 8 246 #define KVM_EXIT_FAIL_ENTRY 9 247 #define KVM_EXIT_INTR 10 248 #define KVM_EXIT_SET_TPR 11 249 #define KVM_EXIT_TPR_ACCESS 12 250 #define KVM_EXIT_S390_SIEIC 13 251 #define KVM_EXIT_S390_RESET 14 252 #define KVM_EXIT_DCR 15 /* deprecated */ 253 #define KVM_EXIT_NMI 16 254 #define KVM_EXIT_INTERNAL_ERROR 17 255 #define KVM_EXIT_OSI 18 256 #define KVM_EXIT_PAPR_HCALL 19 257 #define KVM_EXIT_S390_UCONTROL 20 258 #define KVM_EXIT_WATCHDOG 21 259 #define KVM_EXIT_S390_TSCH 22 260 #define KVM_EXIT_EPR 23 261 #define KVM_EXIT_SYSTEM_EVENT 24 262 #define KVM_EXIT_S390_STSI 25 263 #define KVM_EXIT_IOAPIC_EOI 26 264 #define KVM_EXIT_HYPERV 27 265 #define KVM_EXIT_ARM_NISV 28 266 #define KVM_EXIT_X86_RDMSR 29 267 #define KVM_EXIT_X86_WRMSR 30 268 #define KVM_EXIT_DIRTY_RING_FULL 31 269 #define KVM_EXIT_AP_RESET_HOLD 32 270 #define KVM_EXIT_X86_BUS_LOCK 33 271 #define KVM_EXIT_XEN 34 272 273 /* For KVM_EXIT_INTERNAL_ERROR */ 274 /* Emulate instruction failed. */ 275 #define KVM_INTERNAL_ERROR_EMULATION 1 276 /* Encounter unexpected simultaneous exceptions. */ 277 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 278 /* Encounter unexpected vm-exit due to delivery event. */ 279 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 280 /* Encounter unexpected vm-exit reason */ 281 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 282 283 /* Flags that describe what fields in emulation_failure hold valid data. */ 284 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 285 286 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 287 struct kvm_run { 288 /* in */ 289 __u8 request_interrupt_window; 290 __u8 immediate_exit; 291 __u8 padding1[6]; 292 293 /* out */ 294 __u32 exit_reason; 295 __u8 ready_for_interrupt_injection; 296 __u8 if_flag; 297 __u16 flags; 298 299 /* in (pre_kvm_run), out (post_kvm_run) */ 300 __u64 cr8; 301 __u64 apic_base; 302 303 #ifdef __KVM_S390 304 /* the processor status word for s390 */ 305 __u64 psw_mask; /* psw upper half */ 306 __u64 psw_addr; /* psw lower half */ 307 #endif 308 union { 309 /* KVM_EXIT_UNKNOWN */ 310 struct { 311 __u64 hardware_exit_reason; 312 } hw; 313 /* KVM_EXIT_FAIL_ENTRY */ 314 struct { 315 __u64 hardware_entry_failure_reason; 316 __u32 cpu; 317 } fail_entry; 318 /* KVM_EXIT_EXCEPTION */ 319 struct { 320 __u32 exception; 321 __u32 error_code; 322 } ex; 323 /* KVM_EXIT_IO */ 324 struct { 325 #define KVM_EXIT_IO_IN 0 326 #define KVM_EXIT_IO_OUT 1 327 __u8 direction; 328 __u8 size; /* bytes */ 329 __u16 port; 330 __u32 count; 331 __u64 data_offset; /* relative to kvm_run start */ 332 } io; 333 /* KVM_EXIT_DEBUG */ 334 struct { 335 struct kvm_debug_exit_arch arch; 336 } debug; 337 /* KVM_EXIT_MMIO */ 338 struct { 339 __u64 phys_addr; 340 __u8 data[8]; 341 __u32 len; 342 __u8 is_write; 343 } mmio; 344 /* KVM_EXIT_HYPERCALL */ 345 struct { 346 __u64 nr; 347 __u64 args[6]; 348 __u64 ret; 349 __u32 longmode; 350 __u32 pad; 351 } hypercall; 352 /* KVM_EXIT_TPR_ACCESS */ 353 struct { 354 __u64 rip; 355 __u32 is_write; 356 __u32 pad; 357 } tpr_access; 358 /* KVM_EXIT_S390_SIEIC */ 359 struct { 360 __u8 icptcode; 361 __u16 ipa; 362 __u32 ipb; 363 } s390_sieic; 364 /* KVM_EXIT_S390_RESET */ 365 #define KVM_S390_RESET_POR 1 366 #define KVM_S390_RESET_CLEAR 2 367 #define KVM_S390_RESET_SUBSYSTEM 4 368 #define KVM_S390_RESET_CPU_INIT 8 369 #define KVM_S390_RESET_IPL 16 370 __u64 s390_reset_flags; 371 /* KVM_EXIT_S390_UCONTROL */ 372 struct { 373 __u64 trans_exc_code; 374 __u32 pgm_code; 375 } s390_ucontrol; 376 /* KVM_EXIT_DCR (deprecated) */ 377 struct { 378 __u32 dcrn; 379 __u32 data; 380 __u8 is_write; 381 } dcr; 382 /* KVM_EXIT_INTERNAL_ERROR */ 383 struct { 384 __u32 suberror; 385 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 386 __u32 ndata; 387 __u64 data[16]; 388 } internal; 389 /* 390 * KVM_INTERNAL_ERROR_EMULATION 391 * 392 * "struct emulation_failure" is an overlay of "struct internal" 393 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 394 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 395 * sub-types, this struct is ABI! It also needs to be backwards 396 * compatible with "struct internal". Take special care that 397 * "ndata" is correct, that new fields are enumerated in "flags", 398 * and that each flag enumerates fields that are 64-bit aligned 399 * and sized (so that ndata+internal.data[] is valid/accurate). 400 */ 401 struct { 402 __u32 suberror; 403 __u32 ndata; 404 __u64 flags; 405 __u8 insn_size; 406 __u8 insn_bytes[15]; 407 } emulation_failure; 408 /* KVM_EXIT_OSI */ 409 struct { 410 __u64 gprs[32]; 411 } osi; 412 /* KVM_EXIT_PAPR_HCALL */ 413 struct { 414 __u64 nr; 415 __u64 ret; 416 __u64 args[9]; 417 } papr_hcall; 418 /* KVM_EXIT_S390_TSCH */ 419 struct { 420 __u16 subchannel_id; 421 __u16 subchannel_nr; 422 __u32 io_int_parm; 423 __u32 io_int_word; 424 __u32 ipb; 425 __u8 dequeued; 426 } s390_tsch; 427 /* KVM_EXIT_EPR */ 428 struct { 429 __u32 epr; 430 } epr; 431 /* KVM_EXIT_SYSTEM_EVENT */ 432 struct { 433 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 434 #define KVM_SYSTEM_EVENT_RESET 2 435 #define KVM_SYSTEM_EVENT_CRASH 3 436 __u32 type; 437 __u64 flags; 438 } system_event; 439 /* KVM_EXIT_S390_STSI */ 440 struct { 441 __u64 addr; 442 __u8 ar; 443 __u8 reserved; 444 __u8 fc; 445 __u8 sel1; 446 __u16 sel2; 447 } s390_stsi; 448 /* KVM_EXIT_IOAPIC_EOI */ 449 struct { 450 __u8 vector; 451 } eoi; 452 /* KVM_EXIT_HYPERV */ 453 struct kvm_hyperv_exit hyperv; 454 /* KVM_EXIT_ARM_NISV */ 455 struct { 456 __u64 esr_iss; 457 __u64 fault_ipa; 458 } arm_nisv; 459 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 460 struct { 461 __u8 error; /* user -> kernel */ 462 __u8 pad[7]; 463 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 464 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 465 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 466 __u32 reason; /* kernel -> user */ 467 __u32 index; /* kernel -> user */ 468 __u64 data; /* kernel <-> user */ 469 } msr; 470 /* KVM_EXIT_XEN */ 471 struct kvm_xen_exit xen; 472 /* Fix the size of the union. */ 473 char padding[256]; 474 }; 475 476 /* 2048 is the size of the char array used to bound/pad the size 477 * of the union that holds sync regs. 478 */ 479 #define SYNC_REGS_SIZE_BYTES 2048 480 /* 481 * shared registers between kvm and userspace. 482 * kvm_valid_regs specifies the register classes set by the host 483 * kvm_dirty_regs specified the register classes dirtied by userspace 484 * struct kvm_sync_regs is architecture specific, as well as the 485 * bits for kvm_valid_regs and kvm_dirty_regs 486 */ 487 __u64 kvm_valid_regs; 488 __u64 kvm_dirty_regs; 489 union { 490 struct kvm_sync_regs regs; 491 char padding[SYNC_REGS_SIZE_BYTES]; 492 } s; 493 }; 494 495 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 496 497 struct kvm_coalesced_mmio_zone { 498 __u64 addr; 499 __u32 size; 500 union { 501 __u32 pad; 502 __u32 pio; 503 }; 504 }; 505 506 struct kvm_coalesced_mmio { 507 __u64 phys_addr; 508 __u32 len; 509 union { 510 __u32 pad; 511 __u32 pio; 512 }; 513 __u8 data[8]; 514 }; 515 516 struct kvm_coalesced_mmio_ring { 517 __u32 first, last; 518 struct kvm_coalesced_mmio coalesced_mmio[0]; 519 }; 520 521 #define KVM_COALESCED_MMIO_MAX \ 522 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 523 sizeof(struct kvm_coalesced_mmio)) 524 525 /* for KVM_TRANSLATE */ 526 struct kvm_translation { 527 /* in */ 528 __u64 linear_address; 529 530 /* out */ 531 __u64 physical_address; 532 __u8 valid; 533 __u8 writeable; 534 __u8 usermode; 535 __u8 pad[5]; 536 }; 537 538 /* for KVM_S390_MEM_OP */ 539 struct kvm_s390_mem_op { 540 /* in */ 541 __u64 gaddr; /* the guest address */ 542 __u64 flags; /* flags */ 543 __u32 size; /* amount of bytes */ 544 __u32 op; /* type of operation */ 545 __u64 buf; /* buffer in userspace */ 546 union { 547 __u8 ar; /* the access register number */ 548 __u32 sida_offset; /* offset into the sida */ 549 __u8 reserved[32]; /* should be set to 0 */ 550 }; 551 }; 552 /* types for kvm_s390_mem_op->op */ 553 #define KVM_S390_MEMOP_LOGICAL_READ 0 554 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 555 #define KVM_S390_MEMOP_SIDA_READ 2 556 #define KVM_S390_MEMOP_SIDA_WRITE 3 557 /* flags for kvm_s390_mem_op->flags */ 558 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 559 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 560 561 /* for KVM_INTERRUPT */ 562 struct kvm_interrupt { 563 /* in */ 564 __u32 irq; 565 }; 566 567 /* for KVM_GET_DIRTY_LOG */ 568 struct kvm_dirty_log { 569 __u32 slot; 570 __u32 padding1; 571 union { 572 void __user *dirty_bitmap; /* one bit per page */ 573 __u64 padding2; 574 }; 575 }; 576 577 /* for KVM_CLEAR_DIRTY_LOG */ 578 struct kvm_clear_dirty_log { 579 __u32 slot; 580 __u32 num_pages; 581 __u64 first_page; 582 union { 583 void __user *dirty_bitmap; /* one bit per page */ 584 __u64 padding2; 585 }; 586 }; 587 588 /* for KVM_SET_SIGNAL_MASK */ 589 struct kvm_signal_mask { 590 __u32 len; 591 __u8 sigset[0]; 592 }; 593 594 /* for KVM_TPR_ACCESS_REPORTING */ 595 struct kvm_tpr_access_ctl { 596 __u32 enabled; 597 __u32 flags; 598 __u32 reserved[8]; 599 }; 600 601 /* for KVM_SET_VAPIC_ADDR */ 602 struct kvm_vapic_addr { 603 __u64 vapic_addr; 604 }; 605 606 /* for KVM_SET_MP_STATE */ 607 608 /* not all states are valid on all architectures */ 609 #define KVM_MP_STATE_RUNNABLE 0 610 #define KVM_MP_STATE_UNINITIALIZED 1 611 #define KVM_MP_STATE_INIT_RECEIVED 2 612 #define KVM_MP_STATE_HALTED 3 613 #define KVM_MP_STATE_SIPI_RECEIVED 4 614 #define KVM_MP_STATE_STOPPED 5 615 #define KVM_MP_STATE_CHECK_STOP 6 616 #define KVM_MP_STATE_OPERATING 7 617 #define KVM_MP_STATE_LOAD 8 618 #define KVM_MP_STATE_AP_RESET_HOLD 9 619 620 struct kvm_mp_state { 621 __u32 mp_state; 622 }; 623 624 struct kvm_s390_psw { 625 __u64 mask; 626 __u64 addr; 627 }; 628 629 /* valid values for type in kvm_s390_interrupt */ 630 #define KVM_S390_SIGP_STOP 0xfffe0000u 631 #define KVM_S390_PROGRAM_INT 0xfffe0001u 632 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 633 #define KVM_S390_RESTART 0xfffe0003u 634 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 635 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 636 #define KVM_S390_MCHK 0xfffe1000u 637 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 638 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 639 #define KVM_S390_INT_VIRTIO 0xffff2603u 640 #define KVM_S390_INT_SERVICE 0xffff2401u 641 #define KVM_S390_INT_EMERGENCY 0xffff1201u 642 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 643 /* Anything below 0xfffe0000u is taken by INT_IO */ 644 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 645 (((schid)) | \ 646 ((ssid) << 16) | \ 647 ((cssid) << 18) | \ 648 ((ai) << 26)) 649 #define KVM_S390_INT_IO_MIN 0x00000000u 650 #define KVM_S390_INT_IO_MAX 0xfffdffffu 651 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 652 653 654 struct kvm_s390_interrupt { 655 __u32 type; 656 __u32 parm; 657 __u64 parm64; 658 }; 659 660 struct kvm_s390_io_info { 661 __u16 subchannel_id; 662 __u16 subchannel_nr; 663 __u32 io_int_parm; 664 __u32 io_int_word; 665 }; 666 667 struct kvm_s390_ext_info { 668 __u32 ext_params; 669 __u32 pad; 670 __u64 ext_params2; 671 }; 672 673 struct kvm_s390_pgm_info { 674 __u64 trans_exc_code; 675 __u64 mon_code; 676 __u64 per_address; 677 __u32 data_exc_code; 678 __u16 code; 679 __u16 mon_class_nr; 680 __u8 per_code; 681 __u8 per_atmid; 682 __u8 exc_access_id; 683 __u8 per_access_id; 684 __u8 op_access_id; 685 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 686 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 687 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 688 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 689 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 690 __u8 flags; 691 __u8 pad[2]; 692 }; 693 694 struct kvm_s390_prefix_info { 695 __u32 address; 696 }; 697 698 struct kvm_s390_extcall_info { 699 __u16 code; 700 }; 701 702 struct kvm_s390_emerg_info { 703 __u16 code; 704 }; 705 706 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 707 struct kvm_s390_stop_info { 708 __u32 flags; 709 }; 710 711 struct kvm_s390_mchk_info { 712 __u64 cr14; 713 __u64 mcic; 714 __u64 failing_storage_address; 715 __u32 ext_damage_code; 716 __u32 pad; 717 __u8 fixed_logout[16]; 718 }; 719 720 struct kvm_s390_irq { 721 __u64 type; 722 union { 723 struct kvm_s390_io_info io; 724 struct kvm_s390_ext_info ext; 725 struct kvm_s390_pgm_info pgm; 726 struct kvm_s390_emerg_info emerg; 727 struct kvm_s390_extcall_info extcall; 728 struct kvm_s390_prefix_info prefix; 729 struct kvm_s390_stop_info stop; 730 struct kvm_s390_mchk_info mchk; 731 char reserved[64]; 732 } u; 733 }; 734 735 struct kvm_s390_irq_state { 736 __u64 buf; 737 __u32 flags; /* will stay unused for compatibility reasons */ 738 __u32 len; 739 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 740 }; 741 742 /* for KVM_SET_GUEST_DEBUG */ 743 744 #define KVM_GUESTDBG_ENABLE 0x00000001 745 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 746 747 struct kvm_guest_debug { 748 __u32 control; 749 __u32 pad; 750 struct kvm_guest_debug_arch arch; 751 }; 752 753 enum { 754 kvm_ioeventfd_flag_nr_datamatch, 755 kvm_ioeventfd_flag_nr_pio, 756 kvm_ioeventfd_flag_nr_deassign, 757 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 758 kvm_ioeventfd_flag_nr_fast_mmio, 759 kvm_ioeventfd_flag_nr_max, 760 }; 761 762 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 763 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 764 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 765 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 766 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 767 768 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 769 770 struct kvm_ioeventfd { 771 __u64 datamatch; 772 __u64 addr; /* legal pio/mmio address */ 773 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 774 __s32 fd; 775 __u32 flags; 776 __u8 pad[36]; 777 }; 778 779 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 780 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 781 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 782 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 783 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 784 KVM_X86_DISABLE_EXITS_HLT | \ 785 KVM_X86_DISABLE_EXITS_PAUSE | \ 786 KVM_X86_DISABLE_EXITS_CSTATE) 787 788 /* for KVM_ENABLE_CAP */ 789 struct kvm_enable_cap { 790 /* in */ 791 __u32 cap; 792 __u32 flags; 793 __u64 args[4]; 794 __u8 pad[64]; 795 }; 796 797 /* for KVM_PPC_GET_PVINFO */ 798 799 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 800 801 struct kvm_ppc_pvinfo { 802 /* out */ 803 __u32 flags; 804 __u32 hcall[4]; 805 __u8 pad[108]; 806 }; 807 808 /* for KVM_PPC_GET_SMMU_INFO */ 809 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 810 811 struct kvm_ppc_one_page_size { 812 __u32 page_shift; /* Page shift (or 0) */ 813 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 814 }; 815 816 struct kvm_ppc_one_seg_page_size { 817 __u32 page_shift; /* Base page shift of segment (or 0) */ 818 __u32 slb_enc; /* SLB encoding for BookS */ 819 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 820 }; 821 822 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 823 #define KVM_PPC_1T_SEGMENTS 0x00000002 824 #define KVM_PPC_NO_HASH 0x00000004 825 826 struct kvm_ppc_smmu_info { 827 __u64 flags; 828 __u32 slb_size; 829 __u16 data_keys; /* # storage keys supported for data */ 830 __u16 instr_keys; /* # storage keys supported for instructions */ 831 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 832 }; 833 834 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 835 struct kvm_ppc_resize_hpt { 836 __u64 flags; 837 __u32 shift; 838 __u32 pad; 839 }; 840 841 #define KVMIO 0xAE 842 843 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 844 #define KVM_VM_S390_UCONTROL 1 845 846 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 847 #define KVM_VM_PPC_HV 1 848 #define KVM_VM_PPC_PR 2 849 850 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 851 #define KVM_VM_MIPS_AUTO 0 852 #define KVM_VM_MIPS_VZ 1 853 #define KVM_VM_MIPS_TE 2 854 855 #define KVM_S390_SIE_PAGE_OFFSET 1 856 857 /* 858 * On arm64, machine type can be used to request the physical 859 * address size for the VM. Bits[7-0] are reserved for the guest 860 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 861 * value 0 implies the default IPA size, 40bits. 862 */ 863 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 864 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 865 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 866 /* 867 * ioctls for /dev/kvm fds: 868 */ 869 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 870 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 871 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 872 873 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 874 /* 875 * Check if a kvm extension is available. Argument is extension number, 876 * return is 1 (yes) or 0 (no, sorry). 877 */ 878 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 879 /* 880 * Get size for mmap(vcpu_fd) 881 */ 882 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 883 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 884 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 885 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 886 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 887 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 888 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 889 890 /* 891 * Extension capability list. 892 */ 893 #define KVM_CAP_IRQCHIP 0 894 #define KVM_CAP_HLT 1 895 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 896 #define KVM_CAP_USER_MEMORY 3 897 #define KVM_CAP_SET_TSS_ADDR 4 898 #define KVM_CAP_VAPIC 6 899 #define KVM_CAP_EXT_CPUID 7 900 #define KVM_CAP_CLOCKSOURCE 8 901 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 902 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 903 #define KVM_CAP_PIT 11 904 #define KVM_CAP_NOP_IO_DELAY 12 905 #define KVM_CAP_PV_MMU 13 906 #define KVM_CAP_MP_STATE 14 907 #define KVM_CAP_COALESCED_MMIO 15 908 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 909 #define KVM_CAP_IOMMU 18 910 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 911 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 912 #define KVM_CAP_USER_NMI 22 913 #ifdef __KVM_HAVE_GUEST_DEBUG 914 #define KVM_CAP_SET_GUEST_DEBUG 23 915 #endif 916 #ifdef __KVM_HAVE_PIT 917 #define KVM_CAP_REINJECT_CONTROL 24 918 #endif 919 #define KVM_CAP_IRQ_ROUTING 25 920 #define KVM_CAP_IRQ_INJECT_STATUS 26 921 #define KVM_CAP_ASSIGN_DEV_IRQ 29 922 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 923 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 924 #ifdef __KVM_HAVE_MCE 925 #define KVM_CAP_MCE 31 926 #endif 927 #define KVM_CAP_IRQFD 32 928 #ifdef __KVM_HAVE_PIT 929 #define KVM_CAP_PIT2 33 930 #endif 931 #define KVM_CAP_SET_BOOT_CPU_ID 34 932 #ifdef __KVM_HAVE_PIT_STATE2 933 #define KVM_CAP_PIT_STATE2 35 934 #endif 935 #define KVM_CAP_IOEVENTFD 36 936 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 937 #ifdef __KVM_HAVE_XEN_HVM 938 #define KVM_CAP_XEN_HVM 38 939 #endif 940 #define KVM_CAP_ADJUST_CLOCK 39 941 #define KVM_CAP_INTERNAL_ERROR_DATA 40 942 #ifdef __KVM_HAVE_VCPU_EVENTS 943 #define KVM_CAP_VCPU_EVENTS 41 944 #endif 945 #define KVM_CAP_S390_PSW 42 946 #define KVM_CAP_PPC_SEGSTATE 43 947 #define KVM_CAP_HYPERV 44 948 #define KVM_CAP_HYPERV_VAPIC 45 949 #define KVM_CAP_HYPERV_SPIN 46 950 #define KVM_CAP_PCI_SEGMENT 47 951 #define KVM_CAP_PPC_PAIRED_SINGLES 48 952 #define KVM_CAP_INTR_SHADOW 49 953 #ifdef __KVM_HAVE_DEBUGREGS 954 #define KVM_CAP_DEBUGREGS 50 955 #endif 956 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 957 #define KVM_CAP_PPC_OSI 52 958 #define KVM_CAP_PPC_UNSET_IRQ 53 959 #define KVM_CAP_ENABLE_CAP 54 960 #ifdef __KVM_HAVE_XSAVE 961 #define KVM_CAP_XSAVE 55 962 #endif 963 #ifdef __KVM_HAVE_XCRS 964 #define KVM_CAP_XCRS 56 965 #endif 966 #define KVM_CAP_PPC_GET_PVINFO 57 967 #define KVM_CAP_PPC_IRQ_LEVEL 58 968 #define KVM_CAP_ASYNC_PF 59 969 #define KVM_CAP_TSC_CONTROL 60 970 #define KVM_CAP_GET_TSC_KHZ 61 971 #define KVM_CAP_PPC_BOOKE_SREGS 62 972 #define KVM_CAP_SPAPR_TCE 63 973 #define KVM_CAP_PPC_SMT 64 974 #define KVM_CAP_PPC_RMA 65 975 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 976 #define KVM_CAP_PPC_HIOR 67 977 #define KVM_CAP_PPC_PAPR 68 978 #define KVM_CAP_SW_TLB 69 979 #define KVM_CAP_ONE_REG 70 980 #define KVM_CAP_S390_GMAP 71 981 #define KVM_CAP_TSC_DEADLINE_TIMER 72 982 #define KVM_CAP_S390_UCONTROL 73 983 #define KVM_CAP_SYNC_REGS 74 984 #define KVM_CAP_PCI_2_3 75 985 #define KVM_CAP_KVMCLOCK_CTRL 76 986 #define KVM_CAP_SIGNAL_MSI 77 987 #define KVM_CAP_PPC_GET_SMMU_INFO 78 988 #define KVM_CAP_S390_COW 79 989 #define KVM_CAP_PPC_ALLOC_HTAB 80 990 #define KVM_CAP_READONLY_MEM 81 991 #define KVM_CAP_IRQFD_RESAMPLE 82 992 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 993 #define KVM_CAP_PPC_HTAB_FD 84 994 #define KVM_CAP_S390_CSS_SUPPORT 85 995 #define KVM_CAP_PPC_EPR 86 996 #define KVM_CAP_ARM_PSCI 87 997 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 998 #define KVM_CAP_DEVICE_CTRL 89 999 #define KVM_CAP_IRQ_MPIC 90 1000 #define KVM_CAP_PPC_RTAS 91 1001 #define KVM_CAP_IRQ_XICS 92 1002 #define KVM_CAP_ARM_EL1_32BIT 93 1003 #define KVM_CAP_SPAPR_MULTITCE 94 1004 #define KVM_CAP_EXT_EMUL_CPUID 95 1005 #define KVM_CAP_HYPERV_TIME 96 1006 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1007 #define KVM_CAP_ENABLE_CAP_VM 98 1008 #define KVM_CAP_S390_IRQCHIP 99 1009 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1010 #define KVM_CAP_VM_ATTRIBUTES 101 1011 #define KVM_CAP_ARM_PSCI_0_2 102 1012 #define KVM_CAP_PPC_FIXUP_HCALL 103 1013 #define KVM_CAP_PPC_ENABLE_HCALL 104 1014 #define KVM_CAP_CHECK_EXTENSION_VM 105 1015 #define KVM_CAP_S390_USER_SIGP 106 1016 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1017 #define KVM_CAP_S390_MEM_OP 108 1018 #define KVM_CAP_S390_USER_STSI 109 1019 #define KVM_CAP_S390_SKEYS 110 1020 #define KVM_CAP_MIPS_FPU 111 1021 #define KVM_CAP_MIPS_MSA 112 1022 #define KVM_CAP_S390_INJECT_IRQ 113 1023 #define KVM_CAP_S390_IRQ_STATE 114 1024 #define KVM_CAP_PPC_HWRNG 115 1025 #define KVM_CAP_DISABLE_QUIRKS 116 1026 #define KVM_CAP_X86_SMM 117 1027 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1028 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1029 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1030 #define KVM_CAP_SPLIT_IRQCHIP 121 1031 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1032 #define KVM_CAP_HYPERV_SYNIC 123 1033 #define KVM_CAP_S390_RI 124 1034 #define KVM_CAP_SPAPR_TCE_64 125 1035 #define KVM_CAP_ARM_PMU_V3 126 1036 #define KVM_CAP_VCPU_ATTRIBUTES 127 1037 #define KVM_CAP_MAX_VCPU_ID 128 1038 #define KVM_CAP_X2APIC_API 129 1039 #define KVM_CAP_S390_USER_INSTR0 130 1040 #define KVM_CAP_MSI_DEVID 131 1041 #define KVM_CAP_PPC_HTM 132 1042 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1043 #define KVM_CAP_PPC_MMU_RADIX 134 1044 #define KVM_CAP_PPC_MMU_HASH_V3 135 1045 #define KVM_CAP_IMMEDIATE_EXIT 136 1046 #define KVM_CAP_MIPS_VZ 137 1047 #define KVM_CAP_MIPS_TE 138 1048 #define KVM_CAP_MIPS_64BIT 139 1049 #define KVM_CAP_S390_GS 140 1050 #define KVM_CAP_S390_AIS 141 1051 #define KVM_CAP_SPAPR_TCE_VFIO 142 1052 #define KVM_CAP_X86_DISABLE_EXITS 143 1053 #define KVM_CAP_ARM_USER_IRQ 144 1054 #define KVM_CAP_S390_CMMA_MIGRATION 145 1055 #define KVM_CAP_PPC_FWNMI 146 1056 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1057 #define KVM_CAP_HYPERV_SYNIC2 148 1058 #define KVM_CAP_HYPERV_VP_INDEX 149 1059 #define KVM_CAP_S390_AIS_MIGRATION 150 1060 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1061 #define KVM_CAP_S390_BPB 152 1062 #define KVM_CAP_GET_MSR_FEATURES 153 1063 #define KVM_CAP_HYPERV_EVENTFD 154 1064 #define KVM_CAP_HYPERV_TLBFLUSH 155 1065 #define KVM_CAP_S390_HPAGE_1M 156 1066 #define KVM_CAP_NESTED_STATE 157 1067 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1068 #define KVM_CAP_MSR_PLATFORM_INFO 159 1069 #define KVM_CAP_PPC_NESTED_HV 160 1070 #define KVM_CAP_HYPERV_SEND_IPI 161 1071 #define KVM_CAP_COALESCED_PIO 162 1072 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1073 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1074 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1075 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1076 #define KVM_CAP_HYPERV_CPUID 167 1077 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1078 #define KVM_CAP_PPC_IRQ_XIVE 169 1079 #define KVM_CAP_ARM_SVE 170 1080 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1081 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1082 #define KVM_CAP_PMU_EVENT_FILTER 173 1083 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1084 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1085 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1086 #define KVM_CAP_ARM_NISV_TO_USER 177 1087 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1088 #define KVM_CAP_S390_VCPU_RESETS 179 1089 #define KVM_CAP_S390_PROTECTED 180 1090 #define KVM_CAP_PPC_SECURE_GUEST 181 1091 #define KVM_CAP_HALT_POLL 182 1092 #define KVM_CAP_ASYNC_PF_INT 183 1093 #define KVM_CAP_LAST_CPU 184 1094 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1095 #define KVM_CAP_S390_DIAG318 186 1096 #define KVM_CAP_STEAL_TIME 187 1097 #define KVM_CAP_X86_USER_SPACE_MSR 188 1098 #define KVM_CAP_X86_MSR_FILTER 189 1099 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1100 #define KVM_CAP_SYS_HYPERV_CPUID 191 1101 #define KVM_CAP_DIRTY_LOG_RING 192 1102 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1103 #define KVM_CAP_PPC_DAWR1 194 1104 #define KVM_CAP_SET_GUEST_DEBUG2 195 1105 #define KVM_CAP_SGX_ATTRIBUTE 196 1106 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1107 #define KVM_CAP_PTP_KVM 198 1108 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1109 #define KVM_CAP_SREGS2 200 1110 #define KVM_CAP_EXIT_HYPERCALL 201 1111 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1112 #define KVM_CAP_BINARY_STATS_FD 203 1113 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1114 #define KVM_CAP_ARM_MTE 205 1115 1116 #ifdef KVM_CAP_IRQ_ROUTING 1117 1118 struct kvm_irq_routing_irqchip { 1119 __u32 irqchip; 1120 __u32 pin; 1121 }; 1122 1123 struct kvm_irq_routing_msi { 1124 __u32 address_lo; 1125 __u32 address_hi; 1126 __u32 data; 1127 union { 1128 __u32 pad; 1129 __u32 devid; 1130 }; 1131 }; 1132 1133 struct kvm_irq_routing_s390_adapter { 1134 __u64 ind_addr; 1135 __u64 summary_addr; 1136 __u64 ind_offset; 1137 __u32 summary_offset; 1138 __u32 adapter_id; 1139 }; 1140 1141 struct kvm_irq_routing_hv_sint { 1142 __u32 vcpu; 1143 __u32 sint; 1144 }; 1145 1146 /* gsi routing entry types */ 1147 #define KVM_IRQ_ROUTING_IRQCHIP 1 1148 #define KVM_IRQ_ROUTING_MSI 2 1149 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1150 #define KVM_IRQ_ROUTING_HV_SINT 4 1151 1152 struct kvm_irq_routing_entry { 1153 __u32 gsi; 1154 __u32 type; 1155 __u32 flags; 1156 __u32 pad; 1157 union { 1158 struct kvm_irq_routing_irqchip irqchip; 1159 struct kvm_irq_routing_msi msi; 1160 struct kvm_irq_routing_s390_adapter adapter; 1161 struct kvm_irq_routing_hv_sint hv_sint; 1162 __u32 pad[8]; 1163 } u; 1164 }; 1165 1166 struct kvm_irq_routing { 1167 __u32 nr; 1168 __u32 flags; 1169 struct kvm_irq_routing_entry entries[0]; 1170 }; 1171 1172 #endif 1173 1174 #ifdef KVM_CAP_MCE 1175 /* x86 MCE */ 1176 struct kvm_x86_mce { 1177 __u64 status; 1178 __u64 addr; 1179 __u64 misc; 1180 __u64 mcg_status; 1181 __u8 bank; 1182 __u8 pad1[7]; 1183 __u64 pad2[3]; 1184 }; 1185 #endif 1186 1187 #ifdef KVM_CAP_XEN_HVM 1188 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1189 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1190 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1191 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1192 1193 struct kvm_xen_hvm_config { 1194 __u32 flags; 1195 __u32 msr; 1196 __u64 blob_addr_32; 1197 __u64 blob_addr_64; 1198 __u8 blob_size_32; 1199 __u8 blob_size_64; 1200 __u8 pad2[30]; 1201 }; 1202 #endif 1203 1204 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1205 /* 1206 * Available with KVM_CAP_IRQFD_RESAMPLE 1207 * 1208 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1209 * the irqfd to operate in resampling mode for level triggered interrupt 1210 * emulation. See Documentation/virt/kvm/api.rst. 1211 */ 1212 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1213 1214 struct kvm_irqfd { 1215 __u32 fd; 1216 __u32 gsi; 1217 __u32 flags; 1218 __u32 resamplefd; 1219 __u8 pad[16]; 1220 }; 1221 1222 /* For KVM_CAP_ADJUST_CLOCK */ 1223 1224 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1225 #define KVM_CLOCK_TSC_STABLE 2 1226 1227 struct kvm_clock_data { 1228 __u64 clock; 1229 __u32 flags; 1230 __u32 pad[9]; 1231 }; 1232 1233 /* For KVM_CAP_SW_TLB */ 1234 1235 #define KVM_MMU_FSL_BOOKE_NOHV 0 1236 #define KVM_MMU_FSL_BOOKE_HV 1 1237 1238 struct kvm_config_tlb { 1239 __u64 params; 1240 __u64 array; 1241 __u32 mmu_type; 1242 __u32 array_len; 1243 }; 1244 1245 struct kvm_dirty_tlb { 1246 __u64 bitmap; 1247 __u32 num_dirty; 1248 }; 1249 1250 /* Available with KVM_CAP_ONE_REG */ 1251 1252 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1253 #define KVM_REG_GENERIC 0x0000000000000000ULL 1254 1255 /* 1256 * Architecture specific registers are to be defined in arch headers and 1257 * ORed with the arch identifier. 1258 */ 1259 #define KVM_REG_PPC 0x1000000000000000ULL 1260 #define KVM_REG_X86 0x2000000000000000ULL 1261 #define KVM_REG_IA64 0x3000000000000000ULL 1262 #define KVM_REG_ARM 0x4000000000000000ULL 1263 #define KVM_REG_S390 0x5000000000000000ULL 1264 #define KVM_REG_ARM64 0x6000000000000000ULL 1265 #define KVM_REG_MIPS 0x7000000000000000ULL 1266 #define KVM_REG_RISCV 0x8000000000000000ULL 1267 1268 #define KVM_REG_SIZE_SHIFT 52 1269 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1270 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1271 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1272 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1273 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1274 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1275 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1276 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1277 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1278 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1279 1280 struct kvm_reg_list { 1281 __u64 n; /* number of regs */ 1282 __u64 reg[0]; 1283 }; 1284 1285 struct kvm_one_reg { 1286 __u64 id; 1287 __u64 addr; 1288 }; 1289 1290 #define KVM_MSI_VALID_DEVID (1U << 0) 1291 struct kvm_msi { 1292 __u32 address_lo; 1293 __u32 address_hi; 1294 __u32 data; 1295 __u32 flags; 1296 __u32 devid; 1297 __u8 pad[12]; 1298 }; 1299 1300 struct kvm_arm_device_addr { 1301 __u64 id; 1302 __u64 addr; 1303 }; 1304 1305 /* 1306 * Device control API, available with KVM_CAP_DEVICE_CTRL 1307 */ 1308 #define KVM_CREATE_DEVICE_TEST 1 1309 1310 struct kvm_create_device { 1311 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1312 __u32 fd; /* out: device handle */ 1313 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1314 }; 1315 1316 struct kvm_device_attr { 1317 __u32 flags; /* no flags currently defined */ 1318 __u32 group; /* device-defined */ 1319 __u64 attr; /* group-defined */ 1320 __u64 addr; /* userspace address of attr data */ 1321 }; 1322 1323 #define KVM_DEV_VFIO_GROUP 1 1324 #define KVM_DEV_VFIO_GROUP_ADD 1 1325 #define KVM_DEV_VFIO_GROUP_DEL 2 1326 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1327 1328 enum kvm_device_type { 1329 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1330 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1331 KVM_DEV_TYPE_FSL_MPIC_42, 1332 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1333 KVM_DEV_TYPE_XICS, 1334 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1335 KVM_DEV_TYPE_VFIO, 1336 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1337 KVM_DEV_TYPE_ARM_VGIC_V2, 1338 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1339 KVM_DEV_TYPE_FLIC, 1340 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1341 KVM_DEV_TYPE_ARM_VGIC_V3, 1342 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1343 KVM_DEV_TYPE_ARM_VGIC_ITS, 1344 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1345 KVM_DEV_TYPE_XIVE, 1346 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1347 KVM_DEV_TYPE_ARM_PV_TIME, 1348 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1349 KVM_DEV_TYPE_MAX, 1350 }; 1351 1352 struct kvm_vfio_spapr_tce { 1353 __s32 groupfd; 1354 __s32 tablefd; 1355 }; 1356 1357 /* 1358 * ioctls for VM fds 1359 */ 1360 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1361 /* 1362 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1363 * a vcpu fd. 1364 */ 1365 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1366 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1367 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1368 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1369 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1370 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 1371 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1372 struct kvm_userspace_memory_region) 1373 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1374 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1375 1376 /* enable ucontrol for s390 */ 1377 struct kvm_s390_ucas_mapping { 1378 __u64 user_addr; 1379 __u64 vcpu_addr; 1380 __u64 length; 1381 }; 1382 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1383 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1384 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1385 1386 /* Device model IOC */ 1387 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1388 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1389 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1390 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1391 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1392 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1393 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1394 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1395 #define KVM_REGISTER_COALESCED_MMIO \ 1396 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1397 #define KVM_UNREGISTER_COALESCED_MMIO \ 1398 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1399 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1400 struct kvm_assigned_pci_dev) 1401 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1402 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1403 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1404 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1405 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1406 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1407 struct kvm_assigned_pci_dev) 1408 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1409 struct kvm_assigned_msix_nr) 1410 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1411 struct kvm_assigned_msix_entry) 1412 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1413 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1414 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1415 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1416 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1417 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1418 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1419 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1420 /* Available with KVM_CAP_PIT_STATE2 */ 1421 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1422 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1423 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1424 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1425 /* Available with KVM_CAP_TSC_CONTROL */ 1426 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1427 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1428 /* Available with KVM_CAP_PCI_2_3 */ 1429 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1430 struct kvm_assigned_pci_dev) 1431 /* Available with KVM_CAP_SIGNAL_MSI */ 1432 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1433 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1434 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1435 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1436 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1437 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1438 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1439 struct kvm_create_spapr_tce_64) 1440 /* Available with KVM_CAP_RMA */ 1441 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1442 /* Available with KVM_CAP_PPC_HTAB_FD */ 1443 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1444 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1445 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1446 /* Available with KVM_CAP_PPC_RTAS */ 1447 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1448 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1449 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1450 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1451 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1452 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1453 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1454 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1455 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1456 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1457 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1458 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1459 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1460 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1461 1462 /* ioctl for vm fd */ 1463 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1464 1465 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1466 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1467 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1468 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1469 1470 /* 1471 * ioctls for vcpu fds 1472 */ 1473 #define KVM_RUN _IO(KVMIO, 0x80) 1474 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1475 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1476 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1477 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1478 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1479 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1480 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1481 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1482 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1483 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1484 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1485 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1486 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1487 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1488 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1489 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1490 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1491 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1492 /* Available with KVM_CAP_VAPIC */ 1493 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1494 /* Available with KVM_CAP_VAPIC */ 1495 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1496 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1497 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1498 /* store status for s390 */ 1499 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1500 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1501 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1502 /* initial ipl psw for s390 */ 1503 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1504 /* initial reset for s390 */ 1505 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1506 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1507 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1508 /* Available with KVM_CAP_USER_NMI */ 1509 #define KVM_NMI _IO(KVMIO, 0x9a) 1510 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1511 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1512 /* MCE for x86 */ 1513 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1514 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1515 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1516 /* Available with KVM_CAP_VCPU_EVENTS */ 1517 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1518 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1519 /* Available with KVM_CAP_DEBUGREGS */ 1520 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1521 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1522 /* 1523 * vcpu version available with KVM_ENABLE_CAP 1524 * vm version available with KVM_CAP_ENABLE_CAP_VM 1525 */ 1526 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1527 /* Available with KVM_CAP_XSAVE */ 1528 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1529 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1530 /* Available with KVM_CAP_XCRS */ 1531 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1532 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1533 /* Available with KVM_CAP_SW_TLB */ 1534 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1535 /* Available with KVM_CAP_ONE_REG */ 1536 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1537 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1538 /* VM is being stopped by host */ 1539 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1540 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1541 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1542 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1543 /* Available with KVM_CAP_S390_MEM_OP */ 1544 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1545 /* Available with KVM_CAP_S390_SKEYS */ 1546 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1547 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1548 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1549 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1550 /* Available with KVM_CAP_S390_IRQ_STATE */ 1551 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1552 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1553 /* Available with KVM_CAP_X86_SMM */ 1554 #define KVM_SMI _IO(KVMIO, 0xb7) 1555 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1556 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1557 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1558 /* Memory Encryption Commands */ 1559 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1560 1561 struct kvm_enc_region { 1562 __u64 addr; 1563 __u64 size; 1564 }; 1565 1566 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1567 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1568 1569 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1570 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1571 1572 /* Available with KVM_CAP_NESTED_STATE */ 1573 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1574 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1575 1576 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1577 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1578 1579 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1580 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1581 1582 /* Available with KVM_CAP_ARM_SVE */ 1583 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1584 1585 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1586 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1587 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1588 1589 struct kvm_s390_pv_sec_parm { 1590 __u64 origin; 1591 __u64 length; 1592 }; 1593 1594 struct kvm_s390_pv_unp { 1595 __u64 addr; 1596 __u64 size; 1597 __u64 tweak; 1598 }; 1599 1600 enum pv_cmd_id { 1601 KVM_PV_ENABLE, 1602 KVM_PV_DISABLE, 1603 KVM_PV_SET_SEC_PARMS, 1604 KVM_PV_UNPACK, 1605 KVM_PV_VERIFY, 1606 KVM_PV_PREP_RESET, 1607 KVM_PV_UNSHARE_ALL, 1608 }; 1609 1610 struct kvm_pv_cmd { 1611 __u32 cmd; /* Command to be executed */ 1612 __u16 rc; /* Ultravisor return code */ 1613 __u16 rrc; /* Ultravisor return reason code */ 1614 __u64 data; /* Data or address */ 1615 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1616 __u32 reserved[3]; 1617 }; 1618 1619 /* Available with KVM_CAP_S390_PROTECTED */ 1620 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1621 1622 /* Available with KVM_CAP_X86_MSR_FILTER */ 1623 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1624 1625 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1626 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1627 1628 /* Per-VM Xen attributes */ 1629 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1630 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1631 1632 struct kvm_xen_hvm_attr { 1633 __u16 type; 1634 __u16 pad[3]; 1635 union { 1636 __u8 long_mode; 1637 __u8 vector; 1638 struct { 1639 __u64 gfn; 1640 } shared_info; 1641 __u64 pad[8]; 1642 } u; 1643 }; 1644 1645 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1646 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1647 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1648 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1649 1650 /* Per-vCPU Xen attributes */ 1651 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1652 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1653 1654 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1655 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1656 1657 struct kvm_xen_vcpu_attr { 1658 __u16 type; 1659 __u16 pad[3]; 1660 union { 1661 __u64 gpa; 1662 __u64 pad[8]; 1663 struct { 1664 __u64 state; 1665 __u64 state_entry_time; 1666 __u64 time_running; 1667 __u64 time_runnable; 1668 __u64 time_blocked; 1669 __u64 time_offline; 1670 } runstate; 1671 } u; 1672 }; 1673 1674 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1675 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1676 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1677 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1678 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1679 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1680 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1681 1682 /* Secure Encrypted Virtualization command */ 1683 enum sev_cmd_id { 1684 /* Guest initialization commands */ 1685 KVM_SEV_INIT = 0, 1686 KVM_SEV_ES_INIT, 1687 /* Guest launch commands */ 1688 KVM_SEV_LAUNCH_START, 1689 KVM_SEV_LAUNCH_UPDATE_DATA, 1690 KVM_SEV_LAUNCH_UPDATE_VMSA, 1691 KVM_SEV_LAUNCH_SECRET, 1692 KVM_SEV_LAUNCH_MEASURE, 1693 KVM_SEV_LAUNCH_FINISH, 1694 /* Guest migration commands (outgoing) */ 1695 KVM_SEV_SEND_START, 1696 KVM_SEV_SEND_UPDATE_DATA, 1697 KVM_SEV_SEND_UPDATE_VMSA, 1698 KVM_SEV_SEND_FINISH, 1699 /* Guest migration commands (incoming) */ 1700 KVM_SEV_RECEIVE_START, 1701 KVM_SEV_RECEIVE_UPDATE_DATA, 1702 KVM_SEV_RECEIVE_UPDATE_VMSA, 1703 KVM_SEV_RECEIVE_FINISH, 1704 /* Guest status and debug commands */ 1705 KVM_SEV_GUEST_STATUS, 1706 KVM_SEV_DBG_DECRYPT, 1707 KVM_SEV_DBG_ENCRYPT, 1708 /* Guest certificates commands */ 1709 KVM_SEV_CERT_EXPORT, 1710 /* Attestation report */ 1711 KVM_SEV_GET_ATTESTATION_REPORT, 1712 /* Guest Migration Extension */ 1713 KVM_SEV_SEND_CANCEL, 1714 1715 KVM_SEV_NR_MAX, 1716 }; 1717 1718 struct kvm_sev_cmd { 1719 __u32 id; 1720 __u64 data; 1721 __u32 error; 1722 __u32 sev_fd; 1723 }; 1724 1725 struct kvm_sev_launch_start { 1726 __u32 handle; 1727 __u32 policy; 1728 __u64 dh_uaddr; 1729 __u32 dh_len; 1730 __u64 session_uaddr; 1731 __u32 session_len; 1732 }; 1733 1734 struct kvm_sev_launch_update_data { 1735 __u64 uaddr; 1736 __u32 len; 1737 }; 1738 1739 1740 struct kvm_sev_launch_secret { 1741 __u64 hdr_uaddr; 1742 __u32 hdr_len; 1743 __u64 guest_uaddr; 1744 __u32 guest_len; 1745 __u64 trans_uaddr; 1746 __u32 trans_len; 1747 }; 1748 1749 struct kvm_sev_launch_measure { 1750 __u64 uaddr; 1751 __u32 len; 1752 }; 1753 1754 struct kvm_sev_guest_status { 1755 __u32 handle; 1756 __u32 policy; 1757 __u32 state; 1758 }; 1759 1760 struct kvm_sev_dbg { 1761 __u64 src_uaddr; 1762 __u64 dst_uaddr; 1763 __u32 len; 1764 }; 1765 1766 struct kvm_sev_attestation_report { 1767 __u8 mnonce[16]; 1768 __u64 uaddr; 1769 __u32 len; 1770 }; 1771 1772 struct kvm_sev_send_start { 1773 __u32 policy; 1774 __u64 pdh_cert_uaddr; 1775 __u32 pdh_cert_len; 1776 __u64 plat_certs_uaddr; 1777 __u32 plat_certs_len; 1778 __u64 amd_certs_uaddr; 1779 __u32 amd_certs_len; 1780 __u64 session_uaddr; 1781 __u32 session_len; 1782 }; 1783 1784 struct kvm_sev_send_update_data { 1785 __u64 hdr_uaddr; 1786 __u32 hdr_len; 1787 __u64 guest_uaddr; 1788 __u32 guest_len; 1789 __u64 trans_uaddr; 1790 __u32 trans_len; 1791 }; 1792 1793 struct kvm_sev_receive_start { 1794 __u32 handle; 1795 __u32 policy; 1796 __u64 pdh_uaddr; 1797 __u32 pdh_len; 1798 __u64 session_uaddr; 1799 __u32 session_len; 1800 }; 1801 1802 struct kvm_sev_receive_update_data { 1803 __u64 hdr_uaddr; 1804 __u32 hdr_len; 1805 __u64 guest_uaddr; 1806 __u32 guest_len; 1807 __u64 trans_uaddr; 1808 __u32 trans_len; 1809 }; 1810 1811 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1812 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1813 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1814 1815 struct kvm_assigned_pci_dev { 1816 __u32 assigned_dev_id; 1817 __u32 busnr; 1818 __u32 devfn; 1819 __u32 flags; 1820 __u32 segnr; 1821 union { 1822 __u32 reserved[11]; 1823 }; 1824 }; 1825 1826 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1827 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1828 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1829 1830 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1831 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1832 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1833 1834 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1835 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1836 1837 struct kvm_assigned_irq { 1838 __u32 assigned_dev_id; 1839 __u32 host_irq; /* ignored (legacy field) */ 1840 __u32 guest_irq; 1841 __u32 flags; 1842 union { 1843 __u32 reserved[12]; 1844 }; 1845 }; 1846 1847 struct kvm_assigned_msix_nr { 1848 __u32 assigned_dev_id; 1849 __u16 entry_nr; 1850 __u16 padding; 1851 }; 1852 1853 #define KVM_MAX_MSIX_PER_DEV 256 1854 struct kvm_assigned_msix_entry { 1855 __u32 assigned_dev_id; 1856 __u32 gsi; 1857 __u16 entry; /* The index of entry in the MSI-X table */ 1858 __u16 padding[3]; 1859 }; 1860 1861 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 1862 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 1863 1864 /* Available with KVM_CAP_ARM_USER_IRQ */ 1865 1866 /* Bits for run->s.regs.device_irq_level */ 1867 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1868 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1869 #define KVM_ARM_DEV_PMU (1 << 2) 1870 1871 struct kvm_hyperv_eventfd { 1872 __u32 conn_id; 1873 __s32 fd; 1874 __u32 flags; 1875 __u32 padding[3]; 1876 }; 1877 1878 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 1879 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 1880 1881 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1882 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1883 1884 /* 1885 * Arch needs to define the macro after implementing the dirty ring 1886 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1887 * starting page offset of the dirty ring structures. 1888 */ 1889 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1890 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1891 #endif 1892 1893 /* 1894 * KVM dirty GFN flags, defined as: 1895 * 1896 * |---------------+---------------+--------------| 1897 * | bit 1 (reset) | bit 0 (dirty) | Status | 1898 * |---------------+---------------+--------------| 1899 * | 0 | 0 | Invalid GFN | 1900 * | 0 | 1 | Dirty GFN | 1901 * | 1 | X | GFN to reset | 1902 * |---------------+---------------+--------------| 1903 * 1904 * Lifecycle of a dirty GFN goes like: 1905 * 1906 * dirtied harvested reset 1907 * 00 -----------> 01 -------------> 1X -------+ 1908 * ^ | 1909 * | | 1910 * +------------------------------------------+ 1911 * 1912 * The userspace program is only responsible for the 01->1X state 1913 * conversion after harvesting an entry. Also, it must not skip any 1914 * dirty bits, so that dirty bits are always harvested in sequence. 1915 */ 1916 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1917 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1918 #define KVM_DIRTY_GFN_F_MASK 0x3 1919 1920 /* 1921 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1922 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1923 * size of the gfn buffer is decided by the first argument when 1924 * enabling KVM_CAP_DIRTY_LOG_RING. 1925 */ 1926 struct kvm_dirty_gfn { 1927 __u32 flags; 1928 __u32 slot; 1929 __u64 offset; 1930 }; 1931 1932 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1933 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1934 1935 /** 1936 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1937 * @flags: Some extra information for header, always 0 for now. 1938 * @name_size: The size in bytes of the memory which contains statistics 1939 * name string including trailing '\0'. The memory is allocated 1940 * at the send of statistics descriptor. 1941 * @num_desc: The number of statistics the vm or vcpu has. 1942 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1943 * by vm/vcpu stats fd. 1944 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1945 * pointd by vm/vcpu stats fd. 1946 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1947 * pointed by vm/vcpu stats fd. 1948 * 1949 * This is the header userspace needs to read from stats fd before any other 1950 * readings. It is used by userspace to discover all the information about the 1951 * vm/vcpu's binary statistics. 1952 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1953 */ 1954 struct kvm_stats_header { 1955 __u32 flags; 1956 __u32 name_size; 1957 __u32 num_desc; 1958 __u32 id_offset; 1959 __u32 desc_offset; 1960 __u32 data_offset; 1961 }; 1962 1963 #define KVM_STATS_TYPE_SHIFT 0 1964 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1965 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1966 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1967 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1968 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1969 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1970 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1971 1972 #define KVM_STATS_UNIT_SHIFT 4 1973 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1974 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1975 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1976 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1977 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1978 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES 1979 1980 #define KVM_STATS_BASE_SHIFT 8 1981 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1982 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1983 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1984 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1985 1986 /** 1987 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1988 * @flags: Annotations of the stats, like type, unit, etc. 1989 * @exponent: Used together with @flags to determine the unit. 1990 * @size: The number of data items for this stats. 1991 * Every data item is of type __u64. 1992 * @offset: The offset of the stats to the start of stat structure in 1993 * structure kvm or kvm_vcpu. 1994 * @bucket_size: A parameter value used for histogram stats. It is only used 1995 * for linear histogram stats, specifying the size of the bucket; 1996 * @name: The name string for the stats. Its size is indicated by the 1997 * &kvm_stats_header->name_size. 1998 */ 1999 struct kvm_stats_desc { 2000 __u32 flags; 2001 __s16 exponent; 2002 __u16 size; 2003 __u32 offset; 2004 __u32 bucket_size; 2005 char name[]; 2006 }; 2007 2008 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2009 2010 #endif /* __LINUX_KVM_H */ 2011