1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 #include <linux/compiler.h> 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* for KVM_SET_USER_MEMORY_REGION */ 20 struct kvm_userspace_memory_region { 21 __u32 slot; 22 __u32 flags; 23 __u64 guest_phys_addr; 24 __u64 memory_size; /* bytes */ 25 __u64 userspace_addr; /* start of the userspace allocated memory */ 26 }; 27 28 /* for KVM_SET_USER_MEMORY_REGION2 */ 29 struct kvm_userspace_memory_region2 { 30 __u32 slot; 31 __u32 flags; 32 __u64 guest_phys_addr; 33 __u64 memory_size; 34 __u64 userspace_addr; 35 __u64 guest_memfd_offset; 36 __u32 guest_memfd; 37 __u32 pad1; 38 __u64 pad2[14]; 39 }; 40 41 /* 42 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 43 * userspace, other bits are reserved for kvm internal use which are defined 44 * in include/linux/kvm_host.h. 45 */ 46 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 47 #define KVM_MEM_READONLY (1UL << 1) 48 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 49 50 /* for KVM_IRQ_LINE */ 51 struct kvm_irq_level { 52 /* 53 * ACPI gsi notion of irq. 54 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 55 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 56 * For ARM: See Documentation/virt/kvm/api.rst 57 */ 58 union { 59 __u32 irq; 60 __s32 status; 61 }; 62 __u32 level; 63 }; 64 65 66 struct kvm_irqchip { 67 __u32 chip_id; 68 __u32 pad; 69 union { 70 char dummy[512]; /* reserving space */ 71 #ifdef __KVM_HAVE_PIT 72 struct kvm_pic_state pic; 73 #endif 74 #ifdef __KVM_HAVE_IOAPIC 75 struct kvm_ioapic_state ioapic; 76 #endif 77 } chip; 78 }; 79 80 /* for KVM_CREATE_PIT2 */ 81 struct kvm_pit_config { 82 __u32 flags; 83 __u32 pad[15]; 84 }; 85 86 #define KVM_PIT_SPEAKER_DUMMY 1 87 88 struct kvm_s390_skeys { 89 __u64 start_gfn; 90 __u64 count; 91 __u64 skeydata_addr; 92 __u32 flags; 93 __u32 reserved[9]; 94 }; 95 96 #define KVM_S390_CMMA_PEEK (1 << 0) 97 98 /** 99 * kvm_s390_cmma_log - Used for CMMA migration. 100 * 101 * Used both for input and output. 102 * 103 * @start_gfn: Guest page number to start from. 104 * @count: Size of the result buffer. 105 * @flags: Control operation mode via KVM_S390_CMMA_* flags 106 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 107 * pages are still remaining. 108 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 109 * in the PGSTE. 110 * @values: Pointer to the values buffer. 111 * 112 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 113 */ 114 struct kvm_s390_cmma_log { 115 __u64 start_gfn; 116 __u32 count; 117 __u32 flags; 118 union { 119 __u64 remaining; 120 __u64 mask; 121 }; 122 __u64 values; 123 }; 124 125 struct kvm_hyperv_exit { 126 #define KVM_EXIT_HYPERV_SYNIC 1 127 #define KVM_EXIT_HYPERV_HCALL 2 128 #define KVM_EXIT_HYPERV_SYNDBG 3 129 __u32 type; 130 __u32 pad1; 131 union { 132 struct { 133 __u32 msr; 134 __u32 pad2; 135 __u64 control; 136 __u64 evt_page; 137 __u64 msg_page; 138 } synic; 139 struct { 140 __u64 input; 141 __u64 result; 142 __u64 params[2]; 143 } hcall; 144 struct { 145 __u32 msr; 146 __u32 pad2; 147 __u64 control; 148 __u64 status; 149 __u64 send_page; 150 __u64 recv_page; 151 __u64 pending_page; 152 } syndbg; 153 } u; 154 }; 155 156 struct kvm_xen_exit { 157 #define KVM_EXIT_XEN_HCALL 1 158 __u32 type; 159 union { 160 struct { 161 __u32 longmode; 162 __u32 cpl; 163 __u64 input; 164 __u64 result; 165 __u64 params[6]; 166 } hcall; 167 } u; 168 }; 169 170 #define KVM_S390_GET_SKEYS_NONE 1 171 #define KVM_S390_SKEYS_MAX 1048576 172 173 #define KVM_EXIT_UNKNOWN 0 174 #define KVM_EXIT_EXCEPTION 1 175 #define KVM_EXIT_IO 2 176 #define KVM_EXIT_HYPERCALL 3 177 #define KVM_EXIT_DEBUG 4 178 #define KVM_EXIT_HLT 5 179 #define KVM_EXIT_MMIO 6 180 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 181 #define KVM_EXIT_SHUTDOWN 8 182 #define KVM_EXIT_FAIL_ENTRY 9 183 #define KVM_EXIT_INTR 10 184 #define KVM_EXIT_SET_TPR 11 185 #define KVM_EXIT_TPR_ACCESS 12 186 #define KVM_EXIT_S390_SIEIC 13 187 #define KVM_EXIT_S390_RESET 14 188 #define KVM_EXIT_DCR 15 /* deprecated */ 189 #define KVM_EXIT_NMI 16 190 #define KVM_EXIT_INTERNAL_ERROR 17 191 #define KVM_EXIT_OSI 18 192 #define KVM_EXIT_PAPR_HCALL 19 193 #define KVM_EXIT_S390_UCONTROL 20 194 #define KVM_EXIT_WATCHDOG 21 195 #define KVM_EXIT_S390_TSCH 22 196 #define KVM_EXIT_EPR 23 197 #define KVM_EXIT_SYSTEM_EVENT 24 198 #define KVM_EXIT_S390_STSI 25 199 #define KVM_EXIT_IOAPIC_EOI 26 200 #define KVM_EXIT_HYPERV 27 201 #define KVM_EXIT_ARM_NISV 28 202 #define KVM_EXIT_X86_RDMSR 29 203 #define KVM_EXIT_X86_WRMSR 30 204 #define KVM_EXIT_DIRTY_RING_FULL 31 205 #define KVM_EXIT_AP_RESET_HOLD 32 206 #define KVM_EXIT_X86_BUS_LOCK 33 207 #define KVM_EXIT_XEN 34 208 #define KVM_EXIT_RISCV_SBI 35 209 #define KVM_EXIT_RISCV_CSR 36 210 #define KVM_EXIT_NOTIFY 37 211 #define KVM_EXIT_LOONGARCH_IOCSR 38 212 #define KVM_EXIT_MEMORY_FAULT 39 213 214 /* For KVM_EXIT_INTERNAL_ERROR */ 215 /* Emulate instruction failed. */ 216 #define KVM_INTERNAL_ERROR_EMULATION 1 217 /* Encounter unexpected simultaneous exceptions. */ 218 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 219 /* Encounter unexpected vm-exit due to delivery event. */ 220 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 221 /* Encounter unexpected vm-exit reason */ 222 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 223 224 /* Flags that describe what fields in emulation_failure hold valid data. */ 225 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 226 227 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 228 struct kvm_run { 229 /* in */ 230 __u8 request_interrupt_window; 231 __u8 immediate_exit; 232 __u8 padding1[6]; 233 234 /* out */ 235 __u32 exit_reason; 236 __u8 ready_for_interrupt_injection; 237 __u8 if_flag; 238 __u16 flags; 239 240 /* in (pre_kvm_run), out (post_kvm_run) */ 241 __u64 cr8; 242 __u64 apic_base; 243 244 #ifdef __KVM_S390 245 /* the processor status word for s390 */ 246 __u64 psw_mask; /* psw upper half */ 247 __u64 psw_addr; /* psw lower half */ 248 #endif 249 union { 250 /* KVM_EXIT_UNKNOWN */ 251 struct { 252 __u64 hardware_exit_reason; 253 } hw; 254 /* KVM_EXIT_FAIL_ENTRY */ 255 struct { 256 __u64 hardware_entry_failure_reason; 257 __u32 cpu; 258 } fail_entry; 259 /* KVM_EXIT_EXCEPTION */ 260 struct { 261 __u32 exception; 262 __u32 error_code; 263 } ex; 264 /* KVM_EXIT_IO */ 265 struct { 266 #define KVM_EXIT_IO_IN 0 267 #define KVM_EXIT_IO_OUT 1 268 __u8 direction; 269 __u8 size; /* bytes */ 270 __u16 port; 271 __u32 count; 272 __u64 data_offset; /* relative to kvm_run start */ 273 } io; 274 /* KVM_EXIT_DEBUG */ 275 struct { 276 struct kvm_debug_exit_arch arch; 277 } debug; 278 /* KVM_EXIT_MMIO */ 279 struct { 280 __u64 phys_addr; 281 __u8 data[8]; 282 __u32 len; 283 __u8 is_write; 284 } mmio; 285 /* KVM_EXIT_LOONGARCH_IOCSR */ 286 struct { 287 __u64 phys_addr; 288 __u8 data[8]; 289 __u32 len; 290 __u8 is_write; 291 } iocsr_io; 292 /* KVM_EXIT_HYPERCALL */ 293 struct { 294 __u64 nr; 295 __u64 args[6]; 296 __u64 ret; 297 298 union { 299 #ifndef __KERNEL__ 300 __u32 longmode; 301 #endif 302 __u64 flags; 303 }; 304 } hypercall; 305 /* KVM_EXIT_TPR_ACCESS */ 306 struct { 307 __u64 rip; 308 __u32 is_write; 309 __u32 pad; 310 } tpr_access; 311 /* KVM_EXIT_S390_SIEIC */ 312 struct { 313 __u8 icptcode; 314 __u16 ipa; 315 __u32 ipb; 316 } s390_sieic; 317 /* KVM_EXIT_S390_RESET */ 318 #define KVM_S390_RESET_POR 1 319 #define KVM_S390_RESET_CLEAR 2 320 #define KVM_S390_RESET_SUBSYSTEM 4 321 #define KVM_S390_RESET_CPU_INIT 8 322 #define KVM_S390_RESET_IPL 16 323 __u64 s390_reset_flags; 324 /* KVM_EXIT_S390_UCONTROL */ 325 struct { 326 __u64 trans_exc_code; 327 __u32 pgm_code; 328 } s390_ucontrol; 329 /* KVM_EXIT_DCR (deprecated) */ 330 struct { 331 __u32 dcrn; 332 __u32 data; 333 __u8 is_write; 334 } dcr; 335 /* KVM_EXIT_INTERNAL_ERROR */ 336 struct { 337 __u32 suberror; 338 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 339 __u32 ndata; 340 __u64 data[16]; 341 } internal; 342 /* 343 * KVM_INTERNAL_ERROR_EMULATION 344 * 345 * "struct emulation_failure" is an overlay of "struct internal" 346 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 347 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 348 * sub-types, this struct is ABI! It also needs to be backwards 349 * compatible with "struct internal". Take special care that 350 * "ndata" is correct, that new fields are enumerated in "flags", 351 * and that each flag enumerates fields that are 64-bit aligned 352 * and sized (so that ndata+internal.data[] is valid/accurate). 353 * 354 * Space beyond the defined fields may be used to store arbitrary 355 * debug information relating to the emulation failure. It is 356 * accounted for in "ndata" but the format is unspecified and is 357 * not represented in "flags". Any such information is *not* ABI! 358 */ 359 struct { 360 __u32 suberror; 361 __u32 ndata; 362 __u64 flags; 363 union { 364 struct { 365 __u8 insn_size; 366 __u8 insn_bytes[15]; 367 }; 368 }; 369 /* Arbitrary debug data may follow. */ 370 } emulation_failure; 371 /* KVM_EXIT_OSI */ 372 struct { 373 __u64 gprs[32]; 374 } osi; 375 /* KVM_EXIT_PAPR_HCALL */ 376 struct { 377 __u64 nr; 378 __u64 ret; 379 __u64 args[9]; 380 } papr_hcall; 381 /* KVM_EXIT_S390_TSCH */ 382 struct { 383 __u16 subchannel_id; 384 __u16 subchannel_nr; 385 __u32 io_int_parm; 386 __u32 io_int_word; 387 __u32 ipb; 388 __u8 dequeued; 389 } s390_tsch; 390 /* KVM_EXIT_EPR */ 391 struct { 392 __u32 epr; 393 } epr; 394 /* KVM_EXIT_SYSTEM_EVENT */ 395 struct { 396 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 397 #define KVM_SYSTEM_EVENT_RESET 2 398 #define KVM_SYSTEM_EVENT_CRASH 3 399 #define KVM_SYSTEM_EVENT_WAKEUP 4 400 #define KVM_SYSTEM_EVENT_SUSPEND 5 401 #define KVM_SYSTEM_EVENT_SEV_TERM 6 402 __u32 type; 403 __u32 ndata; 404 union { 405 #ifndef __KERNEL__ 406 __u64 flags; 407 #endif 408 __u64 data[16]; 409 }; 410 } system_event; 411 /* KVM_EXIT_S390_STSI */ 412 struct { 413 __u64 addr; 414 __u8 ar; 415 __u8 reserved; 416 __u8 fc; 417 __u8 sel1; 418 __u16 sel2; 419 } s390_stsi; 420 /* KVM_EXIT_IOAPIC_EOI */ 421 struct { 422 __u8 vector; 423 } eoi; 424 /* KVM_EXIT_HYPERV */ 425 struct kvm_hyperv_exit hyperv; 426 /* KVM_EXIT_ARM_NISV */ 427 struct { 428 __u64 esr_iss; 429 __u64 fault_ipa; 430 } arm_nisv; 431 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 432 struct { 433 __u8 error; /* user -> kernel */ 434 __u8 pad[7]; 435 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 436 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 437 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 438 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 439 KVM_MSR_EXIT_REASON_UNKNOWN | \ 440 KVM_MSR_EXIT_REASON_FILTER) 441 __u32 reason; /* kernel -> user */ 442 __u32 index; /* kernel -> user */ 443 __u64 data; /* kernel <-> user */ 444 } msr; 445 /* KVM_EXIT_XEN */ 446 struct kvm_xen_exit xen; 447 /* KVM_EXIT_RISCV_SBI */ 448 struct { 449 unsigned long extension_id; 450 unsigned long function_id; 451 unsigned long args[6]; 452 unsigned long ret[2]; 453 } riscv_sbi; 454 /* KVM_EXIT_RISCV_CSR */ 455 struct { 456 unsigned long csr_num; 457 unsigned long new_value; 458 unsigned long write_mask; 459 unsigned long ret_value; 460 } riscv_csr; 461 /* KVM_EXIT_NOTIFY */ 462 struct { 463 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 464 __u32 flags; 465 } notify; 466 /* KVM_EXIT_MEMORY_FAULT */ 467 struct { 468 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 469 __u64 flags; 470 __u64 gpa; 471 __u64 size; 472 } memory_fault; 473 /* Fix the size of the union. */ 474 char padding[256]; 475 }; 476 477 /* 2048 is the size of the char array used to bound/pad the size 478 * of the union that holds sync regs. 479 */ 480 #define SYNC_REGS_SIZE_BYTES 2048 481 /* 482 * shared registers between kvm and userspace. 483 * kvm_valid_regs specifies the register classes set by the host 484 * kvm_dirty_regs specified the register classes dirtied by userspace 485 * struct kvm_sync_regs is architecture specific, as well as the 486 * bits for kvm_valid_regs and kvm_dirty_regs 487 */ 488 __u64 kvm_valid_regs; 489 __u64 kvm_dirty_regs; 490 union { 491 struct kvm_sync_regs regs; 492 char padding[SYNC_REGS_SIZE_BYTES]; 493 } s; 494 }; 495 496 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 497 498 struct kvm_coalesced_mmio_zone { 499 __u64 addr; 500 __u32 size; 501 union { 502 __u32 pad; 503 __u32 pio; 504 }; 505 }; 506 507 struct kvm_coalesced_mmio { 508 __u64 phys_addr; 509 __u32 len; 510 union { 511 __u32 pad; 512 __u32 pio; 513 }; 514 __u8 data[8]; 515 }; 516 517 struct kvm_coalesced_mmio_ring { 518 __u32 first, last; 519 struct kvm_coalesced_mmio coalesced_mmio[]; 520 }; 521 522 #define KVM_COALESCED_MMIO_MAX \ 523 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 524 sizeof(struct kvm_coalesced_mmio)) 525 526 /* for KVM_TRANSLATE */ 527 struct kvm_translation { 528 /* in */ 529 __u64 linear_address; 530 531 /* out */ 532 __u64 physical_address; 533 __u8 valid; 534 __u8 writeable; 535 __u8 usermode; 536 __u8 pad[5]; 537 }; 538 539 /* for KVM_S390_MEM_OP */ 540 struct kvm_s390_mem_op { 541 /* in */ 542 __u64 gaddr; /* the guest address */ 543 __u64 flags; /* flags */ 544 __u32 size; /* amount of bytes */ 545 __u32 op; /* type of operation */ 546 __u64 buf; /* buffer in userspace */ 547 union { 548 struct { 549 __u8 ar; /* the access register number */ 550 __u8 key; /* access key, ignored if flag unset */ 551 __u8 pad1[6]; /* ignored */ 552 __u64 old_addr; /* ignored if cmpxchg flag unset */ 553 }; 554 __u32 sida_offset; /* offset into the sida */ 555 __u8 reserved[32]; /* ignored */ 556 }; 557 }; 558 /* types for kvm_s390_mem_op->op */ 559 #define KVM_S390_MEMOP_LOGICAL_READ 0 560 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 561 #define KVM_S390_MEMOP_SIDA_READ 2 562 #define KVM_S390_MEMOP_SIDA_WRITE 3 563 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 564 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 565 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6 566 567 /* flags for kvm_s390_mem_op->flags */ 568 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 569 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 570 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) 571 572 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */ 573 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0) 574 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1) 575 576 /* for KVM_INTERRUPT */ 577 struct kvm_interrupt { 578 /* in */ 579 __u32 irq; 580 }; 581 582 /* for KVM_GET_DIRTY_LOG */ 583 struct kvm_dirty_log { 584 __u32 slot; 585 __u32 padding1; 586 union { 587 void __user *dirty_bitmap; /* one bit per page */ 588 __u64 padding2; 589 }; 590 }; 591 592 /* for KVM_CLEAR_DIRTY_LOG */ 593 struct kvm_clear_dirty_log { 594 __u32 slot; 595 __u32 num_pages; 596 __u64 first_page; 597 union { 598 void __user *dirty_bitmap; /* one bit per page */ 599 __u64 padding2; 600 }; 601 }; 602 603 /* for KVM_SET_SIGNAL_MASK */ 604 struct kvm_signal_mask { 605 __u32 len; 606 __u8 sigset[]; 607 }; 608 609 /* for KVM_TPR_ACCESS_REPORTING */ 610 struct kvm_tpr_access_ctl { 611 __u32 enabled; 612 __u32 flags; 613 __u32 reserved[8]; 614 }; 615 616 /* for KVM_SET_VAPIC_ADDR */ 617 struct kvm_vapic_addr { 618 __u64 vapic_addr; 619 }; 620 621 /* for KVM_SET_MP_STATE */ 622 623 /* not all states are valid on all architectures */ 624 #define KVM_MP_STATE_RUNNABLE 0 625 #define KVM_MP_STATE_UNINITIALIZED 1 626 #define KVM_MP_STATE_INIT_RECEIVED 2 627 #define KVM_MP_STATE_HALTED 3 628 #define KVM_MP_STATE_SIPI_RECEIVED 4 629 #define KVM_MP_STATE_STOPPED 5 630 #define KVM_MP_STATE_CHECK_STOP 6 631 #define KVM_MP_STATE_OPERATING 7 632 #define KVM_MP_STATE_LOAD 8 633 #define KVM_MP_STATE_AP_RESET_HOLD 9 634 #define KVM_MP_STATE_SUSPENDED 10 635 636 struct kvm_mp_state { 637 __u32 mp_state; 638 }; 639 640 struct kvm_s390_psw { 641 __u64 mask; 642 __u64 addr; 643 }; 644 645 /* valid values for type in kvm_s390_interrupt */ 646 #define KVM_S390_SIGP_STOP 0xfffe0000u 647 #define KVM_S390_PROGRAM_INT 0xfffe0001u 648 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 649 #define KVM_S390_RESTART 0xfffe0003u 650 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 651 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 652 #define KVM_S390_MCHK 0xfffe1000u 653 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 654 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 655 #define KVM_S390_INT_VIRTIO 0xffff2603u 656 #define KVM_S390_INT_SERVICE 0xffff2401u 657 #define KVM_S390_INT_EMERGENCY 0xffff1201u 658 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 659 /* Anything below 0xfffe0000u is taken by INT_IO */ 660 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 661 (((schid)) | \ 662 ((ssid) << 16) | \ 663 ((cssid) << 18) | \ 664 ((ai) << 26)) 665 #define KVM_S390_INT_IO_MIN 0x00000000u 666 #define KVM_S390_INT_IO_MAX 0xfffdffffu 667 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 668 669 670 struct kvm_s390_interrupt { 671 __u32 type; 672 __u32 parm; 673 __u64 parm64; 674 }; 675 676 struct kvm_s390_io_info { 677 __u16 subchannel_id; 678 __u16 subchannel_nr; 679 __u32 io_int_parm; 680 __u32 io_int_word; 681 }; 682 683 struct kvm_s390_ext_info { 684 __u32 ext_params; 685 __u32 pad; 686 __u64 ext_params2; 687 }; 688 689 struct kvm_s390_pgm_info { 690 __u64 trans_exc_code; 691 __u64 mon_code; 692 __u64 per_address; 693 __u32 data_exc_code; 694 __u16 code; 695 __u16 mon_class_nr; 696 __u8 per_code; 697 __u8 per_atmid; 698 __u8 exc_access_id; 699 __u8 per_access_id; 700 __u8 op_access_id; 701 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 702 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 703 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 704 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 705 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 706 __u8 flags; 707 __u8 pad[2]; 708 }; 709 710 struct kvm_s390_prefix_info { 711 __u32 address; 712 }; 713 714 struct kvm_s390_extcall_info { 715 __u16 code; 716 }; 717 718 struct kvm_s390_emerg_info { 719 __u16 code; 720 }; 721 722 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 723 struct kvm_s390_stop_info { 724 __u32 flags; 725 }; 726 727 struct kvm_s390_mchk_info { 728 __u64 cr14; 729 __u64 mcic; 730 __u64 failing_storage_address; 731 __u32 ext_damage_code; 732 __u32 pad; 733 __u8 fixed_logout[16]; 734 }; 735 736 struct kvm_s390_irq { 737 __u64 type; 738 union { 739 struct kvm_s390_io_info io; 740 struct kvm_s390_ext_info ext; 741 struct kvm_s390_pgm_info pgm; 742 struct kvm_s390_emerg_info emerg; 743 struct kvm_s390_extcall_info extcall; 744 struct kvm_s390_prefix_info prefix; 745 struct kvm_s390_stop_info stop; 746 struct kvm_s390_mchk_info mchk; 747 char reserved[64]; 748 } u; 749 }; 750 751 struct kvm_s390_irq_state { 752 __u64 buf; 753 __u32 flags; /* will stay unused for compatibility reasons */ 754 __u32 len; 755 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 756 }; 757 758 /* for KVM_SET_GUEST_DEBUG */ 759 760 #define KVM_GUESTDBG_ENABLE 0x00000001 761 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 762 763 struct kvm_guest_debug { 764 __u32 control; 765 __u32 pad; 766 struct kvm_guest_debug_arch arch; 767 }; 768 769 enum { 770 kvm_ioeventfd_flag_nr_datamatch, 771 kvm_ioeventfd_flag_nr_pio, 772 kvm_ioeventfd_flag_nr_deassign, 773 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 774 kvm_ioeventfd_flag_nr_fast_mmio, 775 kvm_ioeventfd_flag_nr_max, 776 }; 777 778 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 779 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 780 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 781 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 782 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 783 784 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 785 786 struct kvm_ioeventfd { 787 __u64 datamatch; 788 __u64 addr; /* legal pio/mmio address */ 789 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 790 __s32 fd; 791 __u32 flags; 792 __u8 pad[36]; 793 }; 794 795 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 796 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 797 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 798 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 799 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 800 KVM_X86_DISABLE_EXITS_HLT | \ 801 KVM_X86_DISABLE_EXITS_PAUSE | \ 802 KVM_X86_DISABLE_EXITS_CSTATE) 803 804 /* for KVM_ENABLE_CAP */ 805 struct kvm_enable_cap { 806 /* in */ 807 __u32 cap; 808 __u32 flags; 809 __u64 args[4]; 810 __u8 pad[64]; 811 }; 812 813 /* for KVM_PPC_GET_PVINFO */ 814 815 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 816 817 struct kvm_ppc_pvinfo { 818 /* out */ 819 __u32 flags; 820 __u32 hcall[4]; 821 __u8 pad[108]; 822 }; 823 824 /* for KVM_PPC_GET_SMMU_INFO */ 825 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 826 827 struct kvm_ppc_one_page_size { 828 __u32 page_shift; /* Page shift (or 0) */ 829 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 830 }; 831 832 struct kvm_ppc_one_seg_page_size { 833 __u32 page_shift; /* Base page shift of segment (or 0) */ 834 __u32 slb_enc; /* SLB encoding for BookS */ 835 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 836 }; 837 838 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 839 #define KVM_PPC_1T_SEGMENTS 0x00000002 840 #define KVM_PPC_NO_HASH 0x00000004 841 842 struct kvm_ppc_smmu_info { 843 __u64 flags; 844 __u32 slb_size; 845 __u16 data_keys; /* # storage keys supported for data */ 846 __u16 instr_keys; /* # storage keys supported for instructions */ 847 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 848 }; 849 850 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 851 struct kvm_ppc_resize_hpt { 852 __u64 flags; 853 __u32 shift; 854 __u32 pad; 855 }; 856 857 #define KVMIO 0xAE 858 859 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 860 #define KVM_VM_S390_UCONTROL 1 861 862 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 863 #define KVM_VM_PPC_HV 1 864 #define KVM_VM_PPC_PR 2 865 866 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 867 #define KVM_VM_MIPS_AUTO 0 868 #define KVM_VM_MIPS_VZ 1 869 #define KVM_VM_MIPS_TE 2 870 871 #define KVM_S390_SIE_PAGE_OFFSET 1 872 873 /* 874 * On arm64, machine type can be used to request the physical 875 * address size for the VM. Bits[7-0] are reserved for the guest 876 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 877 * value 0 implies the default IPA size, 40bits. 878 */ 879 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 880 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 881 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 882 /* 883 * ioctls for /dev/kvm fds: 884 */ 885 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 886 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 887 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 888 889 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 890 /* 891 * Check if a kvm extension is available. Argument is extension number, 892 * return is 1 (yes) or 0 (no, sorry). 893 */ 894 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 895 /* 896 * Get size for mmap(vcpu_fd) 897 */ 898 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 899 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 900 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 901 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 902 903 /* 904 * Extension capability list. 905 */ 906 #define KVM_CAP_IRQCHIP 0 907 #define KVM_CAP_HLT 1 908 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 909 #define KVM_CAP_USER_MEMORY 3 910 #define KVM_CAP_SET_TSS_ADDR 4 911 #define KVM_CAP_VAPIC 6 912 #define KVM_CAP_EXT_CPUID 7 913 #define KVM_CAP_CLOCKSOURCE 8 914 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 915 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 916 #define KVM_CAP_PIT 11 917 #define KVM_CAP_NOP_IO_DELAY 12 918 #define KVM_CAP_PV_MMU 13 919 #define KVM_CAP_MP_STATE 14 920 #define KVM_CAP_COALESCED_MMIO 15 921 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 922 #define KVM_CAP_IOMMU 18 923 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 924 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 925 #define KVM_CAP_USER_NMI 22 926 #ifdef __KVM_HAVE_GUEST_DEBUG 927 #define KVM_CAP_SET_GUEST_DEBUG 23 928 #endif 929 #ifdef __KVM_HAVE_PIT 930 #define KVM_CAP_REINJECT_CONTROL 24 931 #endif 932 #define KVM_CAP_IRQ_ROUTING 25 933 #define KVM_CAP_IRQ_INJECT_STATUS 26 934 #define KVM_CAP_ASSIGN_DEV_IRQ 29 935 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 936 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 937 #ifdef __KVM_HAVE_MCE 938 #define KVM_CAP_MCE 31 939 #endif 940 #define KVM_CAP_IRQFD 32 941 #ifdef __KVM_HAVE_PIT 942 #define KVM_CAP_PIT2 33 943 #endif 944 #define KVM_CAP_SET_BOOT_CPU_ID 34 945 #ifdef __KVM_HAVE_PIT_STATE2 946 #define KVM_CAP_PIT_STATE2 35 947 #endif 948 #define KVM_CAP_IOEVENTFD 36 949 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 950 #ifdef __KVM_HAVE_XEN_HVM 951 #define KVM_CAP_XEN_HVM 38 952 #endif 953 #define KVM_CAP_ADJUST_CLOCK 39 954 #define KVM_CAP_INTERNAL_ERROR_DATA 40 955 #ifdef __KVM_HAVE_VCPU_EVENTS 956 #define KVM_CAP_VCPU_EVENTS 41 957 #endif 958 #define KVM_CAP_S390_PSW 42 959 #define KVM_CAP_PPC_SEGSTATE 43 960 #define KVM_CAP_HYPERV 44 961 #define KVM_CAP_HYPERV_VAPIC 45 962 #define KVM_CAP_HYPERV_SPIN 46 963 #define KVM_CAP_PCI_SEGMENT 47 964 #define KVM_CAP_PPC_PAIRED_SINGLES 48 965 #define KVM_CAP_INTR_SHADOW 49 966 #ifdef __KVM_HAVE_DEBUGREGS 967 #define KVM_CAP_DEBUGREGS 50 968 #endif 969 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 970 #define KVM_CAP_PPC_OSI 52 971 #define KVM_CAP_PPC_UNSET_IRQ 53 972 #define KVM_CAP_ENABLE_CAP 54 973 #ifdef __KVM_HAVE_XSAVE 974 #define KVM_CAP_XSAVE 55 975 #endif 976 #ifdef __KVM_HAVE_XCRS 977 #define KVM_CAP_XCRS 56 978 #endif 979 #define KVM_CAP_PPC_GET_PVINFO 57 980 #define KVM_CAP_PPC_IRQ_LEVEL 58 981 #define KVM_CAP_ASYNC_PF 59 982 #define KVM_CAP_TSC_CONTROL 60 983 #define KVM_CAP_GET_TSC_KHZ 61 984 #define KVM_CAP_PPC_BOOKE_SREGS 62 985 #define KVM_CAP_SPAPR_TCE 63 986 #define KVM_CAP_PPC_SMT 64 987 #define KVM_CAP_PPC_RMA 65 988 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 989 #define KVM_CAP_PPC_HIOR 67 990 #define KVM_CAP_PPC_PAPR 68 991 #define KVM_CAP_SW_TLB 69 992 #define KVM_CAP_ONE_REG 70 993 #define KVM_CAP_S390_GMAP 71 994 #define KVM_CAP_TSC_DEADLINE_TIMER 72 995 #define KVM_CAP_S390_UCONTROL 73 996 #define KVM_CAP_SYNC_REGS 74 997 #define KVM_CAP_PCI_2_3 75 998 #define KVM_CAP_KVMCLOCK_CTRL 76 999 #define KVM_CAP_SIGNAL_MSI 77 1000 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1001 #define KVM_CAP_S390_COW 79 1002 #define KVM_CAP_PPC_ALLOC_HTAB 80 1003 #define KVM_CAP_READONLY_MEM 81 1004 #define KVM_CAP_IRQFD_RESAMPLE 82 1005 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1006 #define KVM_CAP_PPC_HTAB_FD 84 1007 #define KVM_CAP_S390_CSS_SUPPORT 85 1008 #define KVM_CAP_PPC_EPR 86 1009 #define KVM_CAP_ARM_PSCI 87 1010 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1011 #define KVM_CAP_DEVICE_CTRL 89 1012 #define KVM_CAP_IRQ_MPIC 90 1013 #define KVM_CAP_PPC_RTAS 91 1014 #define KVM_CAP_IRQ_XICS 92 1015 #define KVM_CAP_ARM_EL1_32BIT 93 1016 #define KVM_CAP_SPAPR_MULTITCE 94 1017 #define KVM_CAP_EXT_EMUL_CPUID 95 1018 #define KVM_CAP_HYPERV_TIME 96 1019 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1020 #define KVM_CAP_ENABLE_CAP_VM 98 1021 #define KVM_CAP_S390_IRQCHIP 99 1022 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1023 #define KVM_CAP_VM_ATTRIBUTES 101 1024 #define KVM_CAP_ARM_PSCI_0_2 102 1025 #define KVM_CAP_PPC_FIXUP_HCALL 103 1026 #define KVM_CAP_PPC_ENABLE_HCALL 104 1027 #define KVM_CAP_CHECK_EXTENSION_VM 105 1028 #define KVM_CAP_S390_USER_SIGP 106 1029 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1030 #define KVM_CAP_S390_MEM_OP 108 1031 #define KVM_CAP_S390_USER_STSI 109 1032 #define KVM_CAP_S390_SKEYS 110 1033 #define KVM_CAP_MIPS_FPU 111 1034 #define KVM_CAP_MIPS_MSA 112 1035 #define KVM_CAP_S390_INJECT_IRQ 113 1036 #define KVM_CAP_S390_IRQ_STATE 114 1037 #define KVM_CAP_PPC_HWRNG 115 1038 #define KVM_CAP_DISABLE_QUIRKS 116 1039 #define KVM_CAP_X86_SMM 117 1040 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1041 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1042 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1043 #define KVM_CAP_SPLIT_IRQCHIP 121 1044 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1045 #define KVM_CAP_HYPERV_SYNIC 123 1046 #define KVM_CAP_S390_RI 124 1047 #define KVM_CAP_SPAPR_TCE_64 125 1048 #define KVM_CAP_ARM_PMU_V3 126 1049 #define KVM_CAP_VCPU_ATTRIBUTES 127 1050 #define KVM_CAP_MAX_VCPU_ID 128 1051 #define KVM_CAP_X2APIC_API 129 1052 #define KVM_CAP_S390_USER_INSTR0 130 1053 #define KVM_CAP_MSI_DEVID 131 1054 #define KVM_CAP_PPC_HTM 132 1055 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1056 #define KVM_CAP_PPC_MMU_RADIX 134 1057 #define KVM_CAP_PPC_MMU_HASH_V3 135 1058 #define KVM_CAP_IMMEDIATE_EXIT 136 1059 #define KVM_CAP_MIPS_VZ 137 1060 #define KVM_CAP_MIPS_TE 138 1061 #define KVM_CAP_MIPS_64BIT 139 1062 #define KVM_CAP_S390_GS 140 1063 #define KVM_CAP_S390_AIS 141 1064 #define KVM_CAP_SPAPR_TCE_VFIO 142 1065 #define KVM_CAP_X86_DISABLE_EXITS 143 1066 #define KVM_CAP_ARM_USER_IRQ 144 1067 #define KVM_CAP_S390_CMMA_MIGRATION 145 1068 #define KVM_CAP_PPC_FWNMI 146 1069 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1070 #define KVM_CAP_HYPERV_SYNIC2 148 1071 #define KVM_CAP_HYPERV_VP_INDEX 149 1072 #define KVM_CAP_S390_AIS_MIGRATION 150 1073 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1074 #define KVM_CAP_S390_BPB 152 1075 #define KVM_CAP_GET_MSR_FEATURES 153 1076 #define KVM_CAP_HYPERV_EVENTFD 154 1077 #define KVM_CAP_HYPERV_TLBFLUSH 155 1078 #define KVM_CAP_S390_HPAGE_1M 156 1079 #define KVM_CAP_NESTED_STATE 157 1080 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1081 #define KVM_CAP_MSR_PLATFORM_INFO 159 1082 #define KVM_CAP_PPC_NESTED_HV 160 1083 #define KVM_CAP_HYPERV_SEND_IPI 161 1084 #define KVM_CAP_COALESCED_PIO 162 1085 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1086 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1087 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1088 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1089 #define KVM_CAP_HYPERV_CPUID 167 1090 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1091 #define KVM_CAP_PPC_IRQ_XIVE 169 1092 #define KVM_CAP_ARM_SVE 170 1093 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1094 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1095 #define KVM_CAP_PMU_EVENT_FILTER 173 1096 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1097 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1098 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1099 #define KVM_CAP_ARM_NISV_TO_USER 177 1100 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1101 #define KVM_CAP_S390_VCPU_RESETS 179 1102 #define KVM_CAP_S390_PROTECTED 180 1103 #define KVM_CAP_PPC_SECURE_GUEST 181 1104 #define KVM_CAP_HALT_POLL 182 1105 #define KVM_CAP_ASYNC_PF_INT 183 1106 #define KVM_CAP_LAST_CPU 184 1107 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1108 #define KVM_CAP_S390_DIAG318 186 1109 #define KVM_CAP_STEAL_TIME 187 1110 #define KVM_CAP_X86_USER_SPACE_MSR 188 1111 #define KVM_CAP_X86_MSR_FILTER 189 1112 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1113 #define KVM_CAP_SYS_HYPERV_CPUID 191 1114 #define KVM_CAP_DIRTY_LOG_RING 192 1115 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1116 #define KVM_CAP_PPC_DAWR1 194 1117 #define KVM_CAP_SET_GUEST_DEBUG2 195 1118 #define KVM_CAP_SGX_ATTRIBUTE 196 1119 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1120 #define KVM_CAP_PTP_KVM 198 1121 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1122 #define KVM_CAP_SREGS2 200 1123 #define KVM_CAP_EXIT_HYPERCALL 201 1124 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1125 #define KVM_CAP_BINARY_STATS_FD 203 1126 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1127 #define KVM_CAP_ARM_MTE 205 1128 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1129 #define KVM_CAP_VM_GPA_BITS 207 1130 #define KVM_CAP_XSAVE2 208 1131 #define KVM_CAP_SYS_ATTRIBUTES 209 1132 #define KVM_CAP_PPC_AIL_MODE_3 210 1133 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1134 #define KVM_CAP_PMU_CAPABILITY 212 1135 #define KVM_CAP_DISABLE_QUIRKS2 213 1136 #define KVM_CAP_VM_TSC_CONTROL 214 1137 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1138 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1139 #define KVM_CAP_S390_PROTECTED_DUMP 217 1140 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 1141 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 1142 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 1143 #define KVM_CAP_S390_ZPCI_OP 221 1144 #define KVM_CAP_S390_CPU_TOPOLOGY 222 1145 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 1146 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 1147 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 1148 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 1149 #define KVM_CAP_COUNTER_OFFSET 227 1150 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 1151 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 1152 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 1153 #define KVM_CAP_USER_MEMORY2 231 1154 #define KVM_CAP_MEMORY_FAULT_INFO 232 1155 #define KVM_CAP_MEMORY_ATTRIBUTES 233 1156 #define KVM_CAP_GUEST_MEMFD 234 1157 #define KVM_CAP_VM_TYPES 235 1158 1159 #ifdef KVM_CAP_IRQ_ROUTING 1160 1161 struct kvm_irq_routing_irqchip { 1162 __u32 irqchip; 1163 __u32 pin; 1164 }; 1165 1166 struct kvm_irq_routing_msi { 1167 __u32 address_lo; 1168 __u32 address_hi; 1169 __u32 data; 1170 union { 1171 __u32 pad; 1172 __u32 devid; 1173 }; 1174 }; 1175 1176 struct kvm_irq_routing_s390_adapter { 1177 __u64 ind_addr; 1178 __u64 summary_addr; 1179 __u64 ind_offset; 1180 __u32 summary_offset; 1181 __u32 adapter_id; 1182 }; 1183 1184 struct kvm_irq_routing_hv_sint { 1185 __u32 vcpu; 1186 __u32 sint; 1187 }; 1188 1189 struct kvm_irq_routing_xen_evtchn { 1190 __u32 port; 1191 __u32 vcpu; 1192 __u32 priority; 1193 }; 1194 1195 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1196 1197 /* gsi routing entry types */ 1198 #define KVM_IRQ_ROUTING_IRQCHIP 1 1199 #define KVM_IRQ_ROUTING_MSI 2 1200 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1201 #define KVM_IRQ_ROUTING_HV_SINT 4 1202 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1203 1204 struct kvm_irq_routing_entry { 1205 __u32 gsi; 1206 __u32 type; 1207 __u32 flags; 1208 __u32 pad; 1209 union { 1210 struct kvm_irq_routing_irqchip irqchip; 1211 struct kvm_irq_routing_msi msi; 1212 struct kvm_irq_routing_s390_adapter adapter; 1213 struct kvm_irq_routing_hv_sint hv_sint; 1214 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1215 __u32 pad[8]; 1216 } u; 1217 }; 1218 1219 struct kvm_irq_routing { 1220 __u32 nr; 1221 __u32 flags; 1222 struct kvm_irq_routing_entry entries[]; 1223 }; 1224 1225 #endif 1226 1227 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1228 /* 1229 * Available with KVM_CAP_IRQFD_RESAMPLE 1230 * 1231 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1232 * the irqfd to operate in resampling mode for level triggered interrupt 1233 * emulation. See Documentation/virt/kvm/api.rst. 1234 */ 1235 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1236 1237 struct kvm_irqfd { 1238 __u32 fd; 1239 __u32 gsi; 1240 __u32 flags; 1241 __u32 resamplefd; 1242 __u8 pad[16]; 1243 }; 1244 1245 /* For KVM_CAP_ADJUST_CLOCK */ 1246 1247 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1248 #define KVM_CLOCK_TSC_STABLE 2 1249 #define KVM_CLOCK_REALTIME (1 << 2) 1250 #define KVM_CLOCK_HOST_TSC (1 << 3) 1251 1252 struct kvm_clock_data { 1253 __u64 clock; 1254 __u32 flags; 1255 __u32 pad0; 1256 __u64 realtime; 1257 __u64 host_tsc; 1258 __u32 pad[4]; 1259 }; 1260 1261 /* For KVM_CAP_SW_TLB */ 1262 1263 #define KVM_MMU_FSL_BOOKE_NOHV 0 1264 #define KVM_MMU_FSL_BOOKE_HV 1 1265 1266 struct kvm_config_tlb { 1267 __u64 params; 1268 __u64 array; 1269 __u32 mmu_type; 1270 __u32 array_len; 1271 }; 1272 1273 struct kvm_dirty_tlb { 1274 __u64 bitmap; 1275 __u32 num_dirty; 1276 }; 1277 1278 /* Available with KVM_CAP_ONE_REG */ 1279 1280 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1281 #define KVM_REG_GENERIC 0x0000000000000000ULL 1282 1283 /* 1284 * Architecture specific registers are to be defined in arch headers and 1285 * ORed with the arch identifier. 1286 */ 1287 #define KVM_REG_PPC 0x1000000000000000ULL 1288 #define KVM_REG_X86 0x2000000000000000ULL 1289 #define KVM_REG_IA64 0x3000000000000000ULL 1290 #define KVM_REG_ARM 0x4000000000000000ULL 1291 #define KVM_REG_S390 0x5000000000000000ULL 1292 #define KVM_REG_ARM64 0x6000000000000000ULL 1293 #define KVM_REG_MIPS 0x7000000000000000ULL 1294 #define KVM_REG_RISCV 0x8000000000000000ULL 1295 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1296 1297 #define KVM_REG_SIZE_SHIFT 52 1298 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1299 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1300 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1301 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1302 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1303 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1304 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1305 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1306 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1307 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1308 1309 struct kvm_reg_list { 1310 __u64 n; /* number of regs */ 1311 __u64 reg[]; 1312 }; 1313 1314 struct kvm_one_reg { 1315 __u64 id; 1316 __u64 addr; 1317 }; 1318 1319 #define KVM_MSI_VALID_DEVID (1U << 0) 1320 struct kvm_msi { 1321 __u32 address_lo; 1322 __u32 address_hi; 1323 __u32 data; 1324 __u32 flags; 1325 __u32 devid; 1326 __u8 pad[12]; 1327 }; 1328 1329 struct kvm_arm_device_addr { 1330 __u64 id; 1331 __u64 addr; 1332 }; 1333 1334 /* 1335 * Device control API, available with KVM_CAP_DEVICE_CTRL 1336 */ 1337 #define KVM_CREATE_DEVICE_TEST 1 1338 1339 struct kvm_create_device { 1340 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1341 __u32 fd; /* out: device handle */ 1342 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1343 }; 1344 1345 struct kvm_device_attr { 1346 __u32 flags; /* no flags currently defined */ 1347 __u32 group; /* device-defined */ 1348 __u64 attr; /* group-defined */ 1349 __u64 addr; /* userspace address of attr data */ 1350 }; 1351 1352 #define KVM_DEV_VFIO_FILE 1 1353 1354 #define KVM_DEV_VFIO_FILE_ADD 1 1355 #define KVM_DEV_VFIO_FILE_DEL 2 1356 1357 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1358 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1359 1360 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1361 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1362 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1363 1364 enum kvm_device_type { 1365 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1366 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1367 KVM_DEV_TYPE_FSL_MPIC_42, 1368 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1369 KVM_DEV_TYPE_XICS, 1370 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1371 KVM_DEV_TYPE_VFIO, 1372 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1373 KVM_DEV_TYPE_ARM_VGIC_V2, 1374 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1375 KVM_DEV_TYPE_FLIC, 1376 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1377 KVM_DEV_TYPE_ARM_VGIC_V3, 1378 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1379 KVM_DEV_TYPE_ARM_VGIC_ITS, 1380 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1381 KVM_DEV_TYPE_XIVE, 1382 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1383 KVM_DEV_TYPE_ARM_PV_TIME, 1384 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1385 KVM_DEV_TYPE_RISCV_AIA, 1386 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1387 KVM_DEV_TYPE_MAX, 1388 }; 1389 1390 struct kvm_vfio_spapr_tce { 1391 __s32 groupfd; 1392 __s32 tablefd; 1393 }; 1394 1395 /* 1396 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1397 * a vcpu fd. 1398 */ 1399 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1400 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1401 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1402 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1403 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1404 struct kvm_userspace_memory_region) 1405 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1406 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1407 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1408 struct kvm_userspace_memory_region2) 1409 1410 /* enable ucontrol for s390 */ 1411 struct kvm_s390_ucas_mapping { 1412 __u64 user_addr; 1413 __u64 vcpu_addr; 1414 __u64 length; 1415 }; 1416 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1417 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1418 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1419 1420 /* Device model IOC */ 1421 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1422 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1423 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1424 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1425 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1426 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1427 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1428 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1429 #define KVM_REGISTER_COALESCED_MMIO \ 1430 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1431 #define KVM_UNREGISTER_COALESCED_MMIO \ 1432 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1433 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1434 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1435 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1436 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1437 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1438 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1439 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1440 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1441 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1442 /* Available with KVM_CAP_PIT_STATE2 */ 1443 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1444 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1445 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1446 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1447 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1448 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1449 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1450 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1451 /* Available with KVM_CAP_SIGNAL_MSI */ 1452 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1453 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1454 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1455 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1456 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1457 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1458 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1459 struct kvm_create_spapr_tce_64) 1460 /* Available with KVM_CAP_RMA */ 1461 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1462 /* Available with KVM_CAP_PPC_HTAB_FD */ 1463 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1464 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1465 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1466 /* Available with KVM_CAP_PPC_RTAS */ 1467 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1468 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1469 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1470 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1471 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1472 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1473 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1474 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1475 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1476 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1477 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1478 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1479 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1480 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1481 /* Available with KVM_CAP_COUNTER_OFFSET */ 1482 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1483 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1484 1485 /* ioctl for vm fd */ 1486 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1487 1488 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1489 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1490 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1491 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1492 1493 /* 1494 * ioctls for vcpu fds 1495 */ 1496 #define KVM_RUN _IO(KVMIO, 0x80) 1497 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1498 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1499 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1500 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1501 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1502 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1503 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1504 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1505 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1506 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1507 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1508 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1509 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1510 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1511 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1512 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1513 /* Available with KVM_CAP_VAPIC */ 1514 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1515 /* Available with KVM_CAP_VAPIC */ 1516 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1517 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1518 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1519 /* store status for s390 */ 1520 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1521 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1522 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1523 /* initial ipl psw for s390 */ 1524 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1525 /* initial reset for s390 */ 1526 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1527 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1528 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1529 /* Available with KVM_CAP_USER_NMI */ 1530 #define KVM_NMI _IO(KVMIO, 0x9a) 1531 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1532 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1533 /* MCE for x86 */ 1534 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1535 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1536 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1537 /* Available with KVM_CAP_VCPU_EVENTS */ 1538 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1539 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1540 /* Available with KVM_CAP_DEBUGREGS */ 1541 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1542 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1543 /* 1544 * vcpu version available with KVM_CAP_ENABLE_CAP 1545 * vm version available with KVM_CAP_ENABLE_CAP_VM 1546 */ 1547 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1548 /* Available with KVM_CAP_XSAVE */ 1549 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1550 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1551 /* Available with KVM_CAP_XCRS */ 1552 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1553 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1554 /* Available with KVM_CAP_SW_TLB */ 1555 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1556 /* Available with KVM_CAP_ONE_REG */ 1557 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1558 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1559 /* VM is being stopped by host */ 1560 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1561 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1562 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1563 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1564 /* Available with KVM_CAP_S390_MEM_OP */ 1565 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1566 /* Available with KVM_CAP_S390_SKEYS */ 1567 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1568 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1569 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1570 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1571 /* Available with KVM_CAP_S390_IRQ_STATE */ 1572 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1573 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1574 /* Available with KVM_CAP_X86_SMM */ 1575 #define KVM_SMI _IO(KVMIO, 0xb7) 1576 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1577 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1578 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1579 /* Memory Encryption Commands */ 1580 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1581 1582 struct kvm_enc_region { 1583 __u64 addr; 1584 __u64 size; 1585 }; 1586 1587 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1588 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1589 1590 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1591 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1592 1593 /* Available with KVM_CAP_NESTED_STATE */ 1594 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1595 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1596 1597 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1598 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1599 1600 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1601 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1602 1603 /* Available with KVM_CAP_ARM_SVE */ 1604 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1605 1606 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1607 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1608 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1609 1610 struct kvm_s390_pv_sec_parm { 1611 __u64 origin; 1612 __u64 length; 1613 }; 1614 1615 struct kvm_s390_pv_unp { 1616 __u64 addr; 1617 __u64 size; 1618 __u64 tweak; 1619 }; 1620 1621 enum pv_cmd_dmp_id { 1622 KVM_PV_DUMP_INIT, 1623 KVM_PV_DUMP_CONFIG_STOR_STATE, 1624 KVM_PV_DUMP_COMPLETE, 1625 KVM_PV_DUMP_CPU, 1626 }; 1627 1628 struct kvm_s390_pv_dmp { 1629 __u64 subcmd; 1630 __u64 buff_addr; 1631 __u64 buff_len; 1632 __u64 gaddr; /* For dump storage state */ 1633 __u64 reserved[4]; 1634 }; 1635 1636 enum pv_cmd_info_id { 1637 KVM_PV_INFO_VM, 1638 KVM_PV_INFO_DUMP, 1639 }; 1640 1641 struct kvm_s390_pv_info_dump { 1642 __u64 dump_cpu_buffer_len; 1643 __u64 dump_config_mem_buffer_per_1m; 1644 __u64 dump_config_finalize_len; 1645 }; 1646 1647 struct kvm_s390_pv_info_vm { 1648 __u64 inst_calls_list[4]; 1649 __u64 max_cpus; 1650 __u64 max_guests; 1651 __u64 max_guest_addr; 1652 __u64 feature_indication; 1653 }; 1654 1655 struct kvm_s390_pv_info_header { 1656 __u32 id; 1657 __u32 len_max; 1658 __u32 len_written; 1659 __u32 reserved; 1660 }; 1661 1662 struct kvm_s390_pv_info { 1663 struct kvm_s390_pv_info_header header; 1664 union { 1665 struct kvm_s390_pv_info_dump dump; 1666 struct kvm_s390_pv_info_vm vm; 1667 }; 1668 }; 1669 1670 enum pv_cmd_id { 1671 KVM_PV_ENABLE, 1672 KVM_PV_DISABLE, 1673 KVM_PV_SET_SEC_PARMS, 1674 KVM_PV_UNPACK, 1675 KVM_PV_VERIFY, 1676 KVM_PV_PREP_RESET, 1677 KVM_PV_UNSHARE_ALL, 1678 KVM_PV_INFO, 1679 KVM_PV_DUMP, 1680 KVM_PV_ASYNC_CLEANUP_PREPARE, 1681 KVM_PV_ASYNC_CLEANUP_PERFORM, 1682 }; 1683 1684 struct kvm_pv_cmd { 1685 __u32 cmd; /* Command to be executed */ 1686 __u16 rc; /* Ultravisor return code */ 1687 __u16 rrc; /* Ultravisor return reason code */ 1688 __u64 data; /* Data or address */ 1689 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1690 __u32 reserved[3]; 1691 }; 1692 1693 /* Available with KVM_CAP_S390_PROTECTED */ 1694 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1695 1696 /* Available with KVM_CAP_X86_MSR_FILTER */ 1697 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1698 1699 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1700 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1701 1702 /* Per-VM Xen attributes */ 1703 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1704 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1705 1706 /* Per-vCPU Xen attributes */ 1707 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1708 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1709 1710 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1711 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1712 1713 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1714 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1715 1716 /* Available with KVM_CAP_ARM_USER_IRQ */ 1717 1718 /* Bits for run->s.regs.device_irq_level */ 1719 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1720 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1721 #define KVM_ARM_DEV_PMU (1 << 2) 1722 1723 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1724 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1725 1726 /* 1727 * Arch needs to define the macro after implementing the dirty ring 1728 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1729 * starting page offset of the dirty ring structures. 1730 */ 1731 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1732 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1733 #endif 1734 1735 /* 1736 * KVM dirty GFN flags, defined as: 1737 * 1738 * |---------------+---------------+--------------| 1739 * | bit 1 (reset) | bit 0 (dirty) | Status | 1740 * |---------------+---------------+--------------| 1741 * | 0 | 0 | Invalid GFN | 1742 * | 0 | 1 | Dirty GFN | 1743 * | 1 | X | GFN to reset | 1744 * |---------------+---------------+--------------| 1745 * 1746 * Lifecycle of a dirty GFN goes like: 1747 * 1748 * dirtied harvested reset 1749 * 00 -----------> 01 -------------> 1X -------+ 1750 * ^ | 1751 * | | 1752 * +------------------------------------------+ 1753 * 1754 * The userspace program is only responsible for the 01->1X state 1755 * conversion after harvesting an entry. Also, it must not skip any 1756 * dirty bits, so that dirty bits are always harvested in sequence. 1757 */ 1758 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1759 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1760 #define KVM_DIRTY_GFN_F_MASK 0x3 1761 1762 /* 1763 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1764 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1765 * size of the gfn buffer is decided by the first argument when 1766 * enabling KVM_CAP_DIRTY_LOG_RING. 1767 */ 1768 struct kvm_dirty_gfn { 1769 __u32 flags; 1770 __u32 slot; 1771 __u64 offset; 1772 }; 1773 1774 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1775 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1776 1777 #define KVM_PMU_CAP_DISABLE (1 << 0) 1778 1779 /** 1780 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1781 * @flags: Some extra information for header, always 0 for now. 1782 * @name_size: The size in bytes of the memory which contains statistics 1783 * name string including trailing '\0'. The memory is allocated 1784 * at the send of statistics descriptor. 1785 * @num_desc: The number of statistics the vm or vcpu has. 1786 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1787 * by vm/vcpu stats fd. 1788 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1789 * pointd by vm/vcpu stats fd. 1790 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1791 * pointed by vm/vcpu stats fd. 1792 * 1793 * This is the header userspace needs to read from stats fd before any other 1794 * readings. It is used by userspace to discover all the information about the 1795 * vm/vcpu's binary statistics. 1796 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1797 */ 1798 struct kvm_stats_header { 1799 __u32 flags; 1800 __u32 name_size; 1801 __u32 num_desc; 1802 __u32 id_offset; 1803 __u32 desc_offset; 1804 __u32 data_offset; 1805 }; 1806 1807 #define KVM_STATS_TYPE_SHIFT 0 1808 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1809 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1810 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1811 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1812 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1813 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1814 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1815 1816 #define KVM_STATS_UNIT_SHIFT 4 1817 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1818 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1819 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1820 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 1821 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 1822 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 1823 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 1824 1825 #define KVM_STATS_BASE_SHIFT 8 1826 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 1827 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 1828 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 1829 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 1830 1831 /** 1832 * struct kvm_stats_desc - Descriptor of a KVM statistics. 1833 * @flags: Annotations of the stats, like type, unit, etc. 1834 * @exponent: Used together with @flags to determine the unit. 1835 * @size: The number of data items for this stats. 1836 * Every data item is of type __u64. 1837 * @offset: The offset of the stats to the start of stat structure in 1838 * structure kvm or kvm_vcpu. 1839 * @bucket_size: A parameter value used for histogram stats. It is only used 1840 * for linear histogram stats, specifying the size of the bucket; 1841 * @name: The name string for the stats. Its size is indicated by the 1842 * &kvm_stats_header->name_size. 1843 */ 1844 struct kvm_stats_desc { 1845 __u32 flags; 1846 __s16 exponent; 1847 __u16 size; 1848 __u32 offset; 1849 __u32 bucket_size; 1850 char name[]; 1851 }; 1852 1853 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 1854 1855 /* Available with KVM_CAP_XSAVE2 */ 1856 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 1857 1858 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 1859 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 1860 1861 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 1862 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 1863 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 1864 1865 /* Available with KVM_CAP_S390_ZPCI_OP */ 1866 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 1867 1868 struct kvm_s390_zpci_op { 1869 /* in */ 1870 __u32 fh; /* target device */ 1871 __u8 op; /* operation to perform */ 1872 __u8 pad[3]; 1873 union { 1874 /* for KVM_S390_ZPCIOP_REG_AEN */ 1875 struct { 1876 __u64 ibv; /* Guest addr of interrupt bit vector */ 1877 __u64 sb; /* Guest addr of summary bit */ 1878 __u32 flags; 1879 __u32 noi; /* Number of interrupts */ 1880 __u8 isc; /* Guest interrupt subclass */ 1881 __u8 sbo; /* Offset of guest summary bit vector */ 1882 __u16 pad; 1883 } reg_aen; 1884 __u64 reserved[8]; 1885 } u; 1886 }; 1887 1888 /* types for kvm_s390_zpci_op->op */ 1889 #define KVM_S390_ZPCIOP_REG_AEN 0 1890 #define KVM_S390_ZPCIOP_DEREG_AEN 1 1891 1892 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */ 1893 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) 1894 1895 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 1896 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 1897 1898 struct kvm_memory_attributes { 1899 __u64 address; 1900 __u64 size; 1901 __u64 attributes; 1902 __u64 flags; 1903 }; 1904 1905 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 1906 1907 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 1908 1909 struct kvm_create_guest_memfd { 1910 __u64 size; 1911 __u64 flags; 1912 __u64 reserved[6]; 1913 }; 1914 1915 #endif /* __LINUX_KVM_H */ 1916