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