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