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 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 __u32 longmode; 300 __u64 flags; 301 }; 302 } hypercall; 303 /* KVM_EXIT_TPR_ACCESS */ 304 struct { 305 __u64 rip; 306 __u32 is_write; 307 __u32 pad; 308 } tpr_access; 309 /* KVM_EXIT_S390_SIEIC */ 310 struct { 311 __u8 icptcode; 312 __u16 ipa; 313 __u32 ipb; 314 } s390_sieic; 315 /* KVM_EXIT_S390_RESET */ 316 #define KVM_S390_RESET_POR 1 317 #define KVM_S390_RESET_CLEAR 2 318 #define KVM_S390_RESET_SUBSYSTEM 4 319 #define KVM_S390_RESET_CPU_INIT 8 320 #define KVM_S390_RESET_IPL 16 321 __u64 s390_reset_flags; 322 /* KVM_EXIT_S390_UCONTROL */ 323 struct { 324 __u64 trans_exc_code; 325 __u32 pgm_code; 326 } s390_ucontrol; 327 /* KVM_EXIT_DCR (deprecated) */ 328 struct { 329 __u32 dcrn; 330 __u32 data; 331 __u8 is_write; 332 } dcr; 333 /* KVM_EXIT_INTERNAL_ERROR */ 334 struct { 335 __u32 suberror; 336 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 337 __u32 ndata; 338 __u64 data[16]; 339 } internal; 340 /* 341 * KVM_INTERNAL_ERROR_EMULATION 342 * 343 * "struct emulation_failure" is an overlay of "struct internal" 344 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 345 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 346 * sub-types, this struct is ABI! It also needs to be backwards 347 * compatible with "struct internal". Take special care that 348 * "ndata" is correct, that new fields are enumerated in "flags", 349 * and that each flag enumerates fields that are 64-bit aligned 350 * and sized (so that ndata+internal.data[] is valid/accurate). 351 * 352 * Space beyond the defined fields may be used to store arbitrary 353 * debug information relating to the emulation failure. It is 354 * accounted for in "ndata" but the format is unspecified and is 355 * not represented in "flags". Any such information is *not* ABI! 356 */ 357 struct { 358 __u32 suberror; 359 __u32 ndata; 360 __u64 flags; 361 union { 362 struct { 363 __u8 insn_size; 364 __u8 insn_bytes[15]; 365 }; 366 }; 367 /* Arbitrary debug data may follow. */ 368 } emulation_failure; 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 #define KVM_SYSTEM_EVENT_WAKEUP 4 398 #define KVM_SYSTEM_EVENT_SUSPEND 5 399 #define KVM_SYSTEM_EVENT_SEV_TERM 6 400 __u32 type; 401 __u32 ndata; 402 union { 403 __u64 flags; 404 __u64 data[16]; 405 }; 406 } system_event; 407 /* KVM_EXIT_S390_STSI */ 408 struct { 409 __u64 addr; 410 __u8 ar; 411 __u8 reserved; 412 __u8 fc; 413 __u8 sel1; 414 __u16 sel2; 415 } s390_stsi; 416 /* KVM_EXIT_IOAPIC_EOI */ 417 struct { 418 __u8 vector; 419 } eoi; 420 /* KVM_EXIT_HYPERV */ 421 struct kvm_hyperv_exit hyperv; 422 /* KVM_EXIT_ARM_NISV */ 423 struct { 424 __u64 esr_iss; 425 __u64 fault_ipa; 426 } arm_nisv; 427 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 428 struct { 429 __u8 error; /* user -> kernel */ 430 __u8 pad[7]; 431 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 432 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 433 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 434 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 435 KVM_MSR_EXIT_REASON_UNKNOWN | \ 436 KVM_MSR_EXIT_REASON_FILTER) 437 __u32 reason; /* kernel -> user */ 438 __u32 index; /* kernel -> user */ 439 __u64 data; /* kernel <-> user */ 440 } msr; 441 /* KVM_EXIT_XEN */ 442 struct kvm_xen_exit xen; 443 /* KVM_EXIT_RISCV_SBI */ 444 struct { 445 unsigned long extension_id; 446 unsigned long function_id; 447 unsigned long args[6]; 448 unsigned long ret[2]; 449 } riscv_sbi; 450 /* KVM_EXIT_RISCV_CSR */ 451 struct { 452 unsigned long csr_num; 453 unsigned long new_value; 454 unsigned long write_mask; 455 unsigned long ret_value; 456 } riscv_csr; 457 /* KVM_EXIT_NOTIFY */ 458 struct { 459 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 460 __u32 flags; 461 } notify; 462 /* KVM_EXIT_MEMORY_FAULT */ 463 struct { 464 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3) 465 __u64 flags; 466 __u64 gpa; 467 __u64 size; 468 } memory_fault; 469 /* Fix the size of the union. */ 470 char padding[256]; 471 }; 472 473 /* 2048 is the size of the char array used to bound/pad the size 474 * of the union that holds sync regs. 475 */ 476 #define SYNC_REGS_SIZE_BYTES 2048 477 /* 478 * shared registers between kvm and userspace. 479 * kvm_valid_regs specifies the register classes set by the host 480 * kvm_dirty_regs specified the register classes dirtied by userspace 481 * struct kvm_sync_regs is architecture specific, as well as the 482 * bits for kvm_valid_regs and kvm_dirty_regs 483 */ 484 __u64 kvm_valid_regs; 485 __u64 kvm_dirty_regs; 486 union { 487 struct kvm_sync_regs regs; 488 char padding[SYNC_REGS_SIZE_BYTES]; 489 } s; 490 }; 491 492 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 493 494 struct kvm_coalesced_mmio_zone { 495 __u64 addr; 496 __u32 size; 497 union { 498 __u32 pad; 499 __u32 pio; 500 }; 501 }; 502 503 struct kvm_coalesced_mmio { 504 __u64 phys_addr; 505 __u32 len; 506 union { 507 __u32 pad; 508 __u32 pio; 509 }; 510 __u8 data[8]; 511 }; 512 513 struct kvm_coalesced_mmio_ring { 514 __u32 first, last; 515 struct kvm_coalesced_mmio coalesced_mmio[]; 516 }; 517 518 #define KVM_COALESCED_MMIO_MAX \ 519 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 520 sizeof(struct kvm_coalesced_mmio)) 521 522 /* for KVM_TRANSLATE */ 523 struct kvm_translation { 524 /* in */ 525 __u64 linear_address; 526 527 /* out */ 528 __u64 physical_address; 529 __u8 valid; 530 __u8 writeable; 531 __u8 usermode; 532 __u8 pad[5]; 533 }; 534 535 /* for KVM_S390_MEM_OP */ 536 struct kvm_s390_mem_op { 537 /* in */ 538 __u64 gaddr; /* the guest address */ 539 __u64 flags; /* flags */ 540 __u32 size; /* amount of bytes */ 541 __u32 op; /* type of operation */ 542 __u64 buf; /* buffer in userspace */ 543 union { 544 struct { 545 __u8 ar; /* the access register number */ 546 __u8 key; /* access key, ignored if flag unset */ 547 __u8 pad1[6]; /* ignored */ 548 __u64 old_addr; /* ignored if cmpxchg flag unset */ 549 }; 550 __u32 sida_offset; /* offset into the sida */ 551 __u8 reserved[32]; /* ignored */ 552 }; 553 }; 554 /* types for kvm_s390_mem_op->op */ 555 #define KVM_S390_MEMOP_LOGICAL_READ 0 556 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 557 #define KVM_S390_MEMOP_SIDA_READ 2 558 #define KVM_S390_MEMOP_SIDA_WRITE 3 559 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 560 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 561 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6 562 563 /* flags for kvm_s390_mem_op->flags */ 564 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 565 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 566 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) 567 568 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */ 569 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0) 570 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1) 571 572 /* for KVM_INTERRUPT */ 573 struct kvm_interrupt { 574 /* in */ 575 __u32 irq; 576 }; 577 578 /* for KVM_GET_DIRTY_LOG */ 579 struct kvm_dirty_log { 580 __u32 slot; 581 __u32 padding1; 582 union { 583 void *dirty_bitmap; /* one bit per page */ 584 __u64 padding2; 585 }; 586 }; 587 588 /* for KVM_CLEAR_DIRTY_LOG */ 589 struct kvm_clear_dirty_log { 590 __u32 slot; 591 __u32 num_pages; 592 __u64 first_page; 593 union { 594 void *dirty_bitmap; /* one bit per page */ 595 __u64 padding2; 596 }; 597 }; 598 599 /* for KVM_SET_SIGNAL_MASK */ 600 struct kvm_signal_mask { 601 __u32 len; 602 __u8 sigset[]; 603 }; 604 605 /* for KVM_TPR_ACCESS_REPORTING */ 606 struct kvm_tpr_access_ctl { 607 __u32 enabled; 608 __u32 flags; 609 __u32 reserved[8]; 610 }; 611 612 /* for KVM_SET_VAPIC_ADDR */ 613 struct kvm_vapic_addr { 614 __u64 vapic_addr; 615 }; 616 617 /* for KVM_SET_MP_STATE */ 618 619 /* not all states are valid on all architectures */ 620 #define KVM_MP_STATE_RUNNABLE 0 621 #define KVM_MP_STATE_UNINITIALIZED 1 622 #define KVM_MP_STATE_INIT_RECEIVED 2 623 #define KVM_MP_STATE_HALTED 3 624 #define KVM_MP_STATE_SIPI_RECEIVED 4 625 #define KVM_MP_STATE_STOPPED 5 626 #define KVM_MP_STATE_CHECK_STOP 6 627 #define KVM_MP_STATE_OPERATING 7 628 #define KVM_MP_STATE_LOAD 8 629 #define KVM_MP_STATE_AP_RESET_HOLD 9 630 #define KVM_MP_STATE_SUSPENDED 10 631 632 struct kvm_mp_state { 633 __u32 mp_state; 634 }; 635 636 struct kvm_s390_psw { 637 __u64 mask; 638 __u64 addr; 639 }; 640 641 /* valid values for type in kvm_s390_interrupt */ 642 #define KVM_S390_SIGP_STOP 0xfffe0000u 643 #define KVM_S390_PROGRAM_INT 0xfffe0001u 644 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 645 #define KVM_S390_RESTART 0xfffe0003u 646 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 647 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 648 #define KVM_S390_MCHK 0xfffe1000u 649 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 650 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 651 #define KVM_S390_INT_VIRTIO 0xffff2603u 652 #define KVM_S390_INT_SERVICE 0xffff2401u 653 #define KVM_S390_INT_EMERGENCY 0xffff1201u 654 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 655 /* Anything below 0xfffe0000u is taken by INT_IO */ 656 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 657 (((schid)) | \ 658 ((ssid) << 16) | \ 659 ((cssid) << 18) | \ 660 ((ai) << 26)) 661 #define KVM_S390_INT_IO_MIN 0x00000000u 662 #define KVM_S390_INT_IO_MAX 0xfffdffffu 663 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 664 665 666 struct kvm_s390_interrupt { 667 __u32 type; 668 __u32 parm; 669 __u64 parm64; 670 }; 671 672 struct kvm_s390_io_info { 673 __u16 subchannel_id; 674 __u16 subchannel_nr; 675 __u32 io_int_parm; 676 __u32 io_int_word; 677 }; 678 679 struct kvm_s390_ext_info { 680 __u32 ext_params; 681 __u32 pad; 682 __u64 ext_params2; 683 }; 684 685 struct kvm_s390_pgm_info { 686 __u64 trans_exc_code; 687 __u64 mon_code; 688 __u64 per_address; 689 __u32 data_exc_code; 690 __u16 code; 691 __u16 mon_class_nr; 692 __u8 per_code; 693 __u8 per_atmid; 694 __u8 exc_access_id; 695 __u8 per_access_id; 696 __u8 op_access_id; 697 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 698 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 699 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 700 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 701 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 702 __u8 flags; 703 __u8 pad[2]; 704 }; 705 706 struct kvm_s390_prefix_info { 707 __u32 address; 708 }; 709 710 struct kvm_s390_extcall_info { 711 __u16 code; 712 }; 713 714 struct kvm_s390_emerg_info { 715 __u16 code; 716 }; 717 718 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 719 struct kvm_s390_stop_info { 720 __u32 flags; 721 }; 722 723 struct kvm_s390_mchk_info { 724 __u64 cr14; 725 __u64 mcic; 726 __u64 failing_storage_address; 727 __u32 ext_damage_code; 728 __u32 pad; 729 __u8 fixed_logout[16]; 730 }; 731 732 struct kvm_s390_irq { 733 __u64 type; 734 union { 735 struct kvm_s390_io_info io; 736 struct kvm_s390_ext_info ext; 737 struct kvm_s390_pgm_info pgm; 738 struct kvm_s390_emerg_info emerg; 739 struct kvm_s390_extcall_info extcall; 740 struct kvm_s390_prefix_info prefix; 741 struct kvm_s390_stop_info stop; 742 struct kvm_s390_mchk_info mchk; 743 char reserved[64]; 744 } u; 745 }; 746 747 struct kvm_s390_irq_state { 748 __u64 buf; 749 __u32 flags; /* will stay unused for compatibility reasons */ 750 __u32 len; 751 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 752 }; 753 754 /* for KVM_SET_GUEST_DEBUG */ 755 756 #define KVM_GUESTDBG_ENABLE 0x00000001 757 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 758 759 struct kvm_guest_debug { 760 __u32 control; 761 __u32 pad; 762 struct kvm_guest_debug_arch arch; 763 }; 764 765 enum { 766 kvm_ioeventfd_flag_nr_datamatch, 767 kvm_ioeventfd_flag_nr_pio, 768 kvm_ioeventfd_flag_nr_deassign, 769 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 770 kvm_ioeventfd_flag_nr_fast_mmio, 771 kvm_ioeventfd_flag_nr_max, 772 }; 773 774 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 775 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 776 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 777 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 778 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 779 780 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 781 782 struct kvm_ioeventfd { 783 __u64 datamatch; 784 __u64 addr; /* legal pio/mmio address */ 785 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 786 __s32 fd; 787 __u32 flags; 788 __u8 pad[36]; 789 }; 790 791 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 792 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 793 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 794 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 795 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 796 KVM_X86_DISABLE_EXITS_HLT | \ 797 KVM_X86_DISABLE_EXITS_PAUSE | \ 798 KVM_X86_DISABLE_EXITS_CSTATE) 799 800 /* for KVM_ENABLE_CAP */ 801 struct kvm_enable_cap { 802 /* in */ 803 __u32 cap; 804 __u32 flags; 805 __u64 args[4]; 806 __u8 pad[64]; 807 }; 808 809 /* for KVM_PPC_GET_PVINFO */ 810 811 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 812 813 struct kvm_ppc_pvinfo { 814 /* out */ 815 __u32 flags; 816 __u32 hcall[4]; 817 __u8 pad[108]; 818 }; 819 820 /* for KVM_PPC_GET_SMMU_INFO */ 821 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 822 823 struct kvm_ppc_one_page_size { 824 __u32 page_shift; /* Page shift (or 0) */ 825 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 826 }; 827 828 struct kvm_ppc_one_seg_page_size { 829 __u32 page_shift; /* Base page shift of segment (or 0) */ 830 __u32 slb_enc; /* SLB encoding for BookS */ 831 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 832 }; 833 834 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 835 #define KVM_PPC_1T_SEGMENTS 0x00000002 836 #define KVM_PPC_NO_HASH 0x00000004 837 838 struct kvm_ppc_smmu_info { 839 __u64 flags; 840 __u32 slb_size; 841 __u16 data_keys; /* # storage keys supported for data */ 842 __u16 instr_keys; /* # storage keys supported for instructions */ 843 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 844 }; 845 846 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 847 struct kvm_ppc_resize_hpt { 848 __u64 flags; 849 __u32 shift; 850 __u32 pad; 851 }; 852 853 #define KVMIO 0xAE 854 855 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 856 #define KVM_VM_S390_UCONTROL 1 857 858 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 859 #define KVM_VM_PPC_HV 1 860 #define KVM_VM_PPC_PR 2 861 862 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 863 #define KVM_VM_MIPS_AUTO 0 864 #define KVM_VM_MIPS_VZ 1 865 #define KVM_VM_MIPS_TE 2 866 867 #define KVM_S390_SIE_PAGE_OFFSET 1 868 869 /* 870 * On arm64, machine type can be used to request the physical 871 * address size for the VM. Bits[7-0] are reserved for the guest 872 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 873 * value 0 implies the default IPA size, 40bits. 874 */ 875 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 876 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 877 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 878 /* 879 * ioctls for /dev/kvm fds: 880 */ 881 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 882 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 883 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 884 885 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 886 /* 887 * Check if a kvm extension is available. Argument is extension number, 888 * return is 1 (yes) or 0 (no, sorry). 889 */ 890 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 891 /* 892 * Get size for mmap(vcpu_fd) 893 */ 894 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 895 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 896 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 897 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 898 899 /* 900 * Extension capability list. 901 */ 902 #define KVM_CAP_IRQCHIP 0 903 #define KVM_CAP_HLT 1 904 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 905 #define KVM_CAP_USER_MEMORY 3 906 #define KVM_CAP_SET_TSS_ADDR 4 907 #define KVM_CAP_VAPIC 6 908 #define KVM_CAP_EXT_CPUID 7 909 #define KVM_CAP_CLOCKSOURCE 8 910 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 911 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 912 #define KVM_CAP_PIT 11 913 #define KVM_CAP_NOP_IO_DELAY 12 914 #define KVM_CAP_PV_MMU 13 915 #define KVM_CAP_MP_STATE 14 916 #define KVM_CAP_COALESCED_MMIO 15 917 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 918 #define KVM_CAP_IOMMU 18 919 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 920 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 921 #define KVM_CAP_USER_NMI 22 922 #ifdef __KVM_HAVE_GUEST_DEBUG 923 #define KVM_CAP_SET_GUEST_DEBUG 23 924 #endif 925 #ifdef __KVM_HAVE_PIT 926 #define KVM_CAP_REINJECT_CONTROL 24 927 #endif 928 #define KVM_CAP_IRQ_ROUTING 25 929 #define KVM_CAP_IRQ_INJECT_STATUS 26 930 #define KVM_CAP_ASSIGN_DEV_IRQ 29 931 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 932 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 933 #ifdef __KVM_HAVE_MCE 934 #define KVM_CAP_MCE 31 935 #endif 936 #define KVM_CAP_IRQFD 32 937 #ifdef __KVM_HAVE_PIT 938 #define KVM_CAP_PIT2 33 939 #endif 940 #define KVM_CAP_SET_BOOT_CPU_ID 34 941 #ifdef __KVM_HAVE_PIT_STATE2 942 #define KVM_CAP_PIT_STATE2 35 943 #endif 944 #define KVM_CAP_IOEVENTFD 36 945 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 946 #ifdef __KVM_HAVE_XEN_HVM 947 #define KVM_CAP_XEN_HVM 38 948 #endif 949 #define KVM_CAP_ADJUST_CLOCK 39 950 #define KVM_CAP_INTERNAL_ERROR_DATA 40 951 #ifdef __KVM_HAVE_VCPU_EVENTS 952 #define KVM_CAP_VCPU_EVENTS 41 953 #endif 954 #define KVM_CAP_S390_PSW 42 955 #define KVM_CAP_PPC_SEGSTATE 43 956 #define KVM_CAP_HYPERV 44 957 #define KVM_CAP_HYPERV_VAPIC 45 958 #define KVM_CAP_HYPERV_SPIN 46 959 #define KVM_CAP_PCI_SEGMENT 47 960 #define KVM_CAP_PPC_PAIRED_SINGLES 48 961 #define KVM_CAP_INTR_SHADOW 49 962 #ifdef __KVM_HAVE_DEBUGREGS 963 #define KVM_CAP_DEBUGREGS 50 964 #endif 965 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 966 #define KVM_CAP_PPC_OSI 52 967 #define KVM_CAP_PPC_UNSET_IRQ 53 968 #define KVM_CAP_ENABLE_CAP 54 969 #ifdef __KVM_HAVE_XSAVE 970 #define KVM_CAP_XSAVE 55 971 #endif 972 #ifdef __KVM_HAVE_XCRS 973 #define KVM_CAP_XCRS 56 974 #endif 975 #define KVM_CAP_PPC_GET_PVINFO 57 976 #define KVM_CAP_PPC_IRQ_LEVEL 58 977 #define KVM_CAP_ASYNC_PF 59 978 #define KVM_CAP_TSC_CONTROL 60 979 #define KVM_CAP_GET_TSC_KHZ 61 980 #define KVM_CAP_PPC_BOOKE_SREGS 62 981 #define KVM_CAP_SPAPR_TCE 63 982 #define KVM_CAP_PPC_SMT 64 983 #define KVM_CAP_PPC_RMA 65 984 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 985 #define KVM_CAP_PPC_HIOR 67 986 #define KVM_CAP_PPC_PAPR 68 987 #define KVM_CAP_SW_TLB 69 988 #define KVM_CAP_ONE_REG 70 989 #define KVM_CAP_S390_GMAP 71 990 #define KVM_CAP_TSC_DEADLINE_TIMER 72 991 #define KVM_CAP_S390_UCONTROL 73 992 #define KVM_CAP_SYNC_REGS 74 993 #define KVM_CAP_PCI_2_3 75 994 #define KVM_CAP_KVMCLOCK_CTRL 76 995 #define KVM_CAP_SIGNAL_MSI 77 996 #define KVM_CAP_PPC_GET_SMMU_INFO 78 997 #define KVM_CAP_S390_COW 79 998 #define KVM_CAP_PPC_ALLOC_HTAB 80 999 #define KVM_CAP_READONLY_MEM 81 1000 #define KVM_CAP_IRQFD_RESAMPLE 82 1001 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1002 #define KVM_CAP_PPC_HTAB_FD 84 1003 #define KVM_CAP_S390_CSS_SUPPORT 85 1004 #define KVM_CAP_PPC_EPR 86 1005 #define KVM_CAP_ARM_PSCI 87 1006 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1007 #define KVM_CAP_DEVICE_CTRL 89 1008 #define KVM_CAP_IRQ_MPIC 90 1009 #define KVM_CAP_PPC_RTAS 91 1010 #define KVM_CAP_IRQ_XICS 92 1011 #define KVM_CAP_ARM_EL1_32BIT 93 1012 #define KVM_CAP_SPAPR_MULTITCE 94 1013 #define KVM_CAP_EXT_EMUL_CPUID 95 1014 #define KVM_CAP_HYPERV_TIME 96 1015 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1016 #define KVM_CAP_ENABLE_CAP_VM 98 1017 #define KVM_CAP_S390_IRQCHIP 99 1018 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1019 #define KVM_CAP_VM_ATTRIBUTES 101 1020 #define KVM_CAP_ARM_PSCI_0_2 102 1021 #define KVM_CAP_PPC_FIXUP_HCALL 103 1022 #define KVM_CAP_PPC_ENABLE_HCALL 104 1023 #define KVM_CAP_CHECK_EXTENSION_VM 105 1024 #define KVM_CAP_S390_USER_SIGP 106 1025 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1026 #define KVM_CAP_S390_MEM_OP 108 1027 #define KVM_CAP_S390_USER_STSI 109 1028 #define KVM_CAP_S390_SKEYS 110 1029 #define KVM_CAP_MIPS_FPU 111 1030 #define KVM_CAP_MIPS_MSA 112 1031 #define KVM_CAP_S390_INJECT_IRQ 113 1032 #define KVM_CAP_S390_IRQ_STATE 114 1033 #define KVM_CAP_PPC_HWRNG 115 1034 #define KVM_CAP_DISABLE_QUIRKS 116 1035 #define KVM_CAP_X86_SMM 117 1036 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1037 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1038 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1039 #define KVM_CAP_SPLIT_IRQCHIP 121 1040 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1041 #define KVM_CAP_HYPERV_SYNIC 123 1042 #define KVM_CAP_S390_RI 124 1043 #define KVM_CAP_SPAPR_TCE_64 125 1044 #define KVM_CAP_ARM_PMU_V3 126 1045 #define KVM_CAP_VCPU_ATTRIBUTES 127 1046 #define KVM_CAP_MAX_VCPU_ID 128 1047 #define KVM_CAP_X2APIC_API 129 1048 #define KVM_CAP_S390_USER_INSTR0 130 1049 #define KVM_CAP_MSI_DEVID 131 1050 #define KVM_CAP_PPC_HTM 132 1051 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1052 #define KVM_CAP_PPC_MMU_RADIX 134 1053 #define KVM_CAP_PPC_MMU_HASH_V3 135 1054 #define KVM_CAP_IMMEDIATE_EXIT 136 1055 #define KVM_CAP_MIPS_VZ 137 1056 #define KVM_CAP_MIPS_TE 138 1057 #define KVM_CAP_MIPS_64BIT 139 1058 #define KVM_CAP_S390_GS 140 1059 #define KVM_CAP_S390_AIS 141 1060 #define KVM_CAP_SPAPR_TCE_VFIO 142 1061 #define KVM_CAP_X86_DISABLE_EXITS 143 1062 #define KVM_CAP_ARM_USER_IRQ 144 1063 #define KVM_CAP_S390_CMMA_MIGRATION 145 1064 #define KVM_CAP_PPC_FWNMI 146 1065 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1066 #define KVM_CAP_HYPERV_SYNIC2 148 1067 #define KVM_CAP_HYPERV_VP_INDEX 149 1068 #define KVM_CAP_S390_AIS_MIGRATION 150 1069 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1070 #define KVM_CAP_S390_BPB 152 1071 #define KVM_CAP_GET_MSR_FEATURES 153 1072 #define KVM_CAP_HYPERV_EVENTFD 154 1073 #define KVM_CAP_HYPERV_TLBFLUSH 155 1074 #define KVM_CAP_S390_HPAGE_1M 156 1075 #define KVM_CAP_NESTED_STATE 157 1076 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1077 #define KVM_CAP_MSR_PLATFORM_INFO 159 1078 #define KVM_CAP_PPC_NESTED_HV 160 1079 #define KVM_CAP_HYPERV_SEND_IPI 161 1080 #define KVM_CAP_COALESCED_PIO 162 1081 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1082 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1083 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1084 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1085 #define KVM_CAP_HYPERV_CPUID 167 1086 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1087 #define KVM_CAP_PPC_IRQ_XIVE 169 1088 #define KVM_CAP_ARM_SVE 170 1089 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1090 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1091 #define KVM_CAP_PMU_EVENT_FILTER 173 1092 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1093 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1094 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1095 #define KVM_CAP_ARM_NISV_TO_USER 177 1096 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1097 #define KVM_CAP_S390_VCPU_RESETS 179 1098 #define KVM_CAP_S390_PROTECTED 180 1099 #define KVM_CAP_PPC_SECURE_GUEST 181 1100 #define KVM_CAP_HALT_POLL 182 1101 #define KVM_CAP_ASYNC_PF_INT 183 1102 #define KVM_CAP_LAST_CPU 184 1103 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1104 #define KVM_CAP_S390_DIAG318 186 1105 #define KVM_CAP_STEAL_TIME 187 1106 #define KVM_CAP_X86_USER_SPACE_MSR 188 1107 #define KVM_CAP_X86_MSR_FILTER 189 1108 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1109 #define KVM_CAP_SYS_HYPERV_CPUID 191 1110 #define KVM_CAP_DIRTY_LOG_RING 192 1111 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1112 #define KVM_CAP_PPC_DAWR1 194 1113 #define KVM_CAP_SET_GUEST_DEBUG2 195 1114 #define KVM_CAP_SGX_ATTRIBUTE 196 1115 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1116 #define KVM_CAP_PTP_KVM 198 1117 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1118 #define KVM_CAP_SREGS2 200 1119 #define KVM_CAP_EXIT_HYPERCALL 201 1120 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1121 #define KVM_CAP_BINARY_STATS_FD 203 1122 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1123 #define KVM_CAP_ARM_MTE 205 1124 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1125 #define KVM_CAP_VM_GPA_BITS 207 1126 #define KVM_CAP_XSAVE2 208 1127 #define KVM_CAP_SYS_ATTRIBUTES 209 1128 #define KVM_CAP_PPC_AIL_MODE_3 210 1129 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1130 #define KVM_CAP_PMU_CAPABILITY 212 1131 #define KVM_CAP_DISABLE_QUIRKS2 213 1132 #define KVM_CAP_VM_TSC_CONTROL 214 1133 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1134 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1135 #define KVM_CAP_S390_PROTECTED_DUMP 217 1136 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 1137 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 1138 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 1139 #define KVM_CAP_S390_ZPCI_OP 221 1140 #define KVM_CAP_S390_CPU_TOPOLOGY 222 1141 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 1142 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 1143 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 1144 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 1145 #define KVM_CAP_COUNTER_OFFSET 227 1146 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 1147 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 1148 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 1149 #define KVM_CAP_USER_MEMORY2 231 1150 #define KVM_CAP_MEMORY_FAULT_INFO 232 1151 #define KVM_CAP_MEMORY_ATTRIBUTES 233 1152 #define KVM_CAP_GUEST_MEMFD 234 1153 #define KVM_CAP_VM_TYPES 235 1154 1155 #ifdef KVM_CAP_IRQ_ROUTING 1156 1157 struct kvm_irq_routing_irqchip { 1158 __u32 irqchip; 1159 __u32 pin; 1160 }; 1161 1162 struct kvm_irq_routing_msi { 1163 __u32 address_lo; 1164 __u32 address_hi; 1165 __u32 data; 1166 union { 1167 __u32 pad; 1168 __u32 devid; 1169 }; 1170 }; 1171 1172 struct kvm_irq_routing_s390_adapter { 1173 __u64 ind_addr; 1174 __u64 summary_addr; 1175 __u64 ind_offset; 1176 __u32 summary_offset; 1177 __u32 adapter_id; 1178 }; 1179 1180 struct kvm_irq_routing_hv_sint { 1181 __u32 vcpu; 1182 __u32 sint; 1183 }; 1184 1185 struct kvm_irq_routing_xen_evtchn { 1186 __u32 port; 1187 __u32 vcpu; 1188 __u32 priority; 1189 }; 1190 1191 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1192 1193 /* gsi routing entry types */ 1194 #define KVM_IRQ_ROUTING_IRQCHIP 1 1195 #define KVM_IRQ_ROUTING_MSI 2 1196 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1197 #define KVM_IRQ_ROUTING_HV_SINT 4 1198 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1199 1200 struct kvm_irq_routing_entry { 1201 __u32 gsi; 1202 __u32 type; 1203 __u32 flags; 1204 __u32 pad; 1205 union { 1206 struct kvm_irq_routing_irqchip irqchip; 1207 struct kvm_irq_routing_msi msi; 1208 struct kvm_irq_routing_s390_adapter adapter; 1209 struct kvm_irq_routing_hv_sint hv_sint; 1210 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1211 __u32 pad[8]; 1212 } u; 1213 }; 1214 1215 struct kvm_irq_routing { 1216 __u32 nr; 1217 __u32 flags; 1218 struct kvm_irq_routing_entry entries[]; 1219 }; 1220 1221 #endif 1222 1223 #ifdef KVM_CAP_MCE 1224 /* x86 MCE */ 1225 struct kvm_x86_mce { 1226 __u64 status; 1227 __u64 addr; 1228 __u64 misc; 1229 __u64 mcg_status; 1230 __u8 bank; 1231 __u8 pad1[7]; 1232 __u64 pad2[3]; 1233 }; 1234 #endif 1235 1236 #ifdef KVM_CAP_XEN_HVM 1237 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1238 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1239 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1240 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1241 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1242 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1243 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 1244 #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7) 1245 1246 struct kvm_xen_hvm_config { 1247 __u32 flags; 1248 __u32 msr; 1249 __u64 blob_addr_32; 1250 __u64 blob_addr_64; 1251 __u8 blob_size_32; 1252 __u8 blob_size_64; 1253 __u8 pad2[30]; 1254 }; 1255 #endif 1256 1257 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1258 /* 1259 * Available with KVM_CAP_IRQFD_RESAMPLE 1260 * 1261 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1262 * the irqfd to operate in resampling mode for level triggered interrupt 1263 * emulation. See Documentation/virt/kvm/api.rst. 1264 */ 1265 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1266 1267 struct kvm_irqfd { 1268 __u32 fd; 1269 __u32 gsi; 1270 __u32 flags; 1271 __u32 resamplefd; 1272 __u8 pad[16]; 1273 }; 1274 1275 /* For KVM_CAP_ADJUST_CLOCK */ 1276 1277 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1278 #define KVM_CLOCK_TSC_STABLE 2 1279 #define KVM_CLOCK_REALTIME (1 << 2) 1280 #define KVM_CLOCK_HOST_TSC (1 << 3) 1281 1282 struct kvm_clock_data { 1283 __u64 clock; 1284 __u32 flags; 1285 __u32 pad0; 1286 __u64 realtime; 1287 __u64 host_tsc; 1288 __u32 pad[4]; 1289 }; 1290 1291 /* For KVM_CAP_SW_TLB */ 1292 1293 #define KVM_MMU_FSL_BOOKE_NOHV 0 1294 #define KVM_MMU_FSL_BOOKE_HV 1 1295 1296 struct kvm_config_tlb { 1297 __u64 params; 1298 __u64 array; 1299 __u32 mmu_type; 1300 __u32 array_len; 1301 }; 1302 1303 struct kvm_dirty_tlb { 1304 __u64 bitmap; 1305 __u32 num_dirty; 1306 }; 1307 1308 /* Available with KVM_CAP_ONE_REG */ 1309 1310 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1311 #define KVM_REG_GENERIC 0x0000000000000000ULL 1312 1313 /* 1314 * Architecture specific registers are to be defined in arch headers and 1315 * ORed with the arch identifier. 1316 */ 1317 #define KVM_REG_PPC 0x1000000000000000ULL 1318 #define KVM_REG_X86 0x2000000000000000ULL 1319 #define KVM_REG_IA64 0x3000000000000000ULL 1320 #define KVM_REG_ARM 0x4000000000000000ULL 1321 #define KVM_REG_S390 0x5000000000000000ULL 1322 #define KVM_REG_ARM64 0x6000000000000000ULL 1323 #define KVM_REG_MIPS 0x7000000000000000ULL 1324 #define KVM_REG_RISCV 0x8000000000000000ULL 1325 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1326 1327 #define KVM_REG_SIZE_SHIFT 52 1328 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1329 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1330 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1331 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1332 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1333 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1334 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1335 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1336 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1337 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1338 1339 struct kvm_reg_list { 1340 __u64 n; /* number of regs */ 1341 __u64 reg[]; 1342 }; 1343 1344 struct kvm_one_reg { 1345 __u64 id; 1346 __u64 addr; 1347 }; 1348 1349 #define KVM_MSI_VALID_DEVID (1U << 0) 1350 struct kvm_msi { 1351 __u32 address_lo; 1352 __u32 address_hi; 1353 __u32 data; 1354 __u32 flags; 1355 __u32 devid; 1356 __u8 pad[12]; 1357 }; 1358 1359 struct kvm_arm_device_addr { 1360 __u64 id; 1361 __u64 addr; 1362 }; 1363 1364 /* 1365 * Device control API, available with KVM_CAP_DEVICE_CTRL 1366 */ 1367 #define KVM_CREATE_DEVICE_TEST 1 1368 1369 struct kvm_create_device { 1370 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1371 __u32 fd; /* out: device handle */ 1372 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1373 }; 1374 1375 struct kvm_device_attr { 1376 __u32 flags; /* no flags currently defined */ 1377 __u32 group; /* device-defined */ 1378 __u64 attr; /* group-defined */ 1379 __u64 addr; /* userspace address of attr data */ 1380 }; 1381 1382 #define KVM_DEV_VFIO_FILE 1 1383 1384 #define KVM_DEV_VFIO_FILE_ADD 1 1385 #define KVM_DEV_VFIO_FILE_DEL 2 1386 1387 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1388 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1389 1390 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1391 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1392 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1393 1394 enum kvm_device_type { 1395 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1396 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1397 KVM_DEV_TYPE_FSL_MPIC_42, 1398 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1399 KVM_DEV_TYPE_XICS, 1400 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1401 KVM_DEV_TYPE_VFIO, 1402 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1403 KVM_DEV_TYPE_ARM_VGIC_V2, 1404 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1405 KVM_DEV_TYPE_FLIC, 1406 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1407 KVM_DEV_TYPE_ARM_VGIC_V3, 1408 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1409 KVM_DEV_TYPE_ARM_VGIC_ITS, 1410 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1411 KVM_DEV_TYPE_XIVE, 1412 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1413 KVM_DEV_TYPE_ARM_PV_TIME, 1414 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1415 KVM_DEV_TYPE_RISCV_AIA, 1416 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1417 KVM_DEV_TYPE_MAX, 1418 }; 1419 1420 struct kvm_vfio_spapr_tce { 1421 __s32 groupfd; 1422 __s32 tablefd; 1423 }; 1424 1425 /* 1426 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1427 * a vcpu fd. 1428 */ 1429 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1430 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1431 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1432 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1433 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1434 struct kvm_userspace_memory_region) 1435 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1436 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1437 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1438 struct kvm_userspace_memory_region2) 1439 1440 /* enable ucontrol for s390 */ 1441 struct kvm_s390_ucas_mapping { 1442 __u64 user_addr; 1443 __u64 vcpu_addr; 1444 __u64 length; 1445 }; 1446 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1447 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1448 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1449 1450 /* Device model IOC */ 1451 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1452 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1453 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1454 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1455 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1456 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1457 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1458 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1459 #define KVM_REGISTER_COALESCED_MMIO \ 1460 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1461 #define KVM_UNREGISTER_COALESCED_MMIO \ 1462 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1463 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1464 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1465 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1466 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1467 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1468 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1469 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1470 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1471 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1472 /* Available with KVM_CAP_PIT_STATE2 */ 1473 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1474 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1475 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1476 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1477 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1478 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1479 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1480 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1481 /* Available with KVM_CAP_SIGNAL_MSI */ 1482 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1483 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1484 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1485 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1486 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1487 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1488 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1489 struct kvm_create_spapr_tce_64) 1490 /* Available with KVM_CAP_RMA */ 1491 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1492 /* Available with KVM_CAP_PPC_HTAB_FD */ 1493 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1494 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1495 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1496 /* Available with KVM_CAP_PPC_RTAS */ 1497 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1498 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1499 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1500 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1501 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1502 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1503 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1504 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1505 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1506 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1507 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1508 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1509 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1510 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1511 /* Available with KVM_CAP_COUNTER_OFFSET */ 1512 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1513 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1514 1515 /* ioctl for vm fd */ 1516 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1517 1518 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1519 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1520 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1521 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1522 1523 /* 1524 * ioctls for vcpu fds 1525 */ 1526 #define KVM_RUN _IO(KVMIO, 0x80) 1527 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1528 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1529 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1530 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1531 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1532 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1533 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1534 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1535 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1536 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1537 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1538 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1539 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1540 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1541 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1542 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1543 /* Available with KVM_CAP_VAPIC */ 1544 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1545 /* Available with KVM_CAP_VAPIC */ 1546 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1547 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1548 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1549 /* store status for s390 */ 1550 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1551 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1552 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1553 /* initial ipl psw for s390 */ 1554 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1555 /* initial reset for s390 */ 1556 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1557 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1558 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1559 /* Available with KVM_CAP_USER_NMI */ 1560 #define KVM_NMI _IO(KVMIO, 0x9a) 1561 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1562 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1563 /* MCE for x86 */ 1564 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1565 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1566 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1567 /* Available with KVM_CAP_VCPU_EVENTS */ 1568 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1569 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1570 /* Available with KVM_CAP_DEBUGREGS */ 1571 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1572 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1573 /* 1574 * vcpu version available with KVM_CAP_ENABLE_CAP 1575 * vm version available with KVM_CAP_ENABLE_CAP_VM 1576 */ 1577 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1578 /* Available with KVM_CAP_XSAVE */ 1579 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1580 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1581 /* Available with KVM_CAP_XCRS */ 1582 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1583 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1584 /* Available with KVM_CAP_SW_TLB */ 1585 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1586 /* Available with KVM_CAP_ONE_REG */ 1587 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1588 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1589 /* VM is being stopped by host */ 1590 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1591 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1592 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1593 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1594 /* Available with KVM_CAP_S390_MEM_OP */ 1595 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1596 /* Available with KVM_CAP_S390_SKEYS */ 1597 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1598 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1599 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1600 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1601 /* Available with KVM_CAP_S390_IRQ_STATE */ 1602 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1603 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1604 /* Available with KVM_CAP_X86_SMM */ 1605 #define KVM_SMI _IO(KVMIO, 0xb7) 1606 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1607 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1608 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1609 /* Memory Encryption Commands */ 1610 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1611 1612 struct kvm_enc_region { 1613 __u64 addr; 1614 __u64 size; 1615 }; 1616 1617 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1618 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1619 1620 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1621 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1622 1623 /* Available with KVM_CAP_NESTED_STATE */ 1624 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1625 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1626 1627 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1628 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1629 1630 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1631 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1632 1633 /* Available with KVM_CAP_ARM_SVE */ 1634 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1635 1636 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1637 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1638 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1639 1640 struct kvm_s390_pv_sec_parm { 1641 __u64 origin; 1642 __u64 length; 1643 }; 1644 1645 struct kvm_s390_pv_unp { 1646 __u64 addr; 1647 __u64 size; 1648 __u64 tweak; 1649 }; 1650 1651 enum pv_cmd_dmp_id { 1652 KVM_PV_DUMP_INIT, 1653 KVM_PV_DUMP_CONFIG_STOR_STATE, 1654 KVM_PV_DUMP_COMPLETE, 1655 KVM_PV_DUMP_CPU, 1656 }; 1657 1658 struct kvm_s390_pv_dmp { 1659 __u64 subcmd; 1660 __u64 buff_addr; 1661 __u64 buff_len; 1662 __u64 gaddr; /* For dump storage state */ 1663 __u64 reserved[4]; 1664 }; 1665 1666 enum pv_cmd_info_id { 1667 KVM_PV_INFO_VM, 1668 KVM_PV_INFO_DUMP, 1669 }; 1670 1671 struct kvm_s390_pv_info_dump { 1672 __u64 dump_cpu_buffer_len; 1673 __u64 dump_config_mem_buffer_per_1m; 1674 __u64 dump_config_finalize_len; 1675 }; 1676 1677 struct kvm_s390_pv_info_vm { 1678 __u64 inst_calls_list[4]; 1679 __u64 max_cpus; 1680 __u64 max_guests; 1681 __u64 max_guest_addr; 1682 __u64 feature_indication; 1683 }; 1684 1685 struct kvm_s390_pv_info_header { 1686 __u32 id; 1687 __u32 len_max; 1688 __u32 len_written; 1689 __u32 reserved; 1690 }; 1691 1692 struct kvm_s390_pv_info { 1693 struct kvm_s390_pv_info_header header; 1694 union { 1695 struct kvm_s390_pv_info_dump dump; 1696 struct kvm_s390_pv_info_vm vm; 1697 }; 1698 }; 1699 1700 enum pv_cmd_id { 1701 KVM_PV_ENABLE, 1702 KVM_PV_DISABLE, 1703 KVM_PV_SET_SEC_PARMS, 1704 KVM_PV_UNPACK, 1705 KVM_PV_VERIFY, 1706 KVM_PV_PREP_RESET, 1707 KVM_PV_UNSHARE_ALL, 1708 KVM_PV_INFO, 1709 KVM_PV_DUMP, 1710 KVM_PV_ASYNC_CLEANUP_PREPARE, 1711 KVM_PV_ASYNC_CLEANUP_PERFORM, 1712 }; 1713 1714 struct kvm_pv_cmd { 1715 __u32 cmd; /* Command to be executed */ 1716 __u16 rc; /* Ultravisor return code */ 1717 __u16 rrc; /* Ultravisor return reason code */ 1718 __u64 data; /* Data or address */ 1719 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1720 __u32 reserved[3]; 1721 }; 1722 1723 /* Available with KVM_CAP_S390_PROTECTED */ 1724 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1725 1726 /* Available with KVM_CAP_X86_MSR_FILTER */ 1727 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1728 1729 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1730 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1731 1732 /* Per-VM Xen attributes */ 1733 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1734 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1735 1736 struct kvm_xen_hvm_attr { 1737 __u16 type; 1738 __u16 pad[3]; 1739 union { 1740 __u8 long_mode; 1741 __u8 vector; 1742 __u8 runstate_update_flag; 1743 struct { 1744 __u64 gfn; 1745 #define KVM_XEN_INVALID_GFN ((__u64)-1) 1746 } shared_info; 1747 struct { 1748 __u32 send_port; 1749 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1750 __u32 flags; 1751 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1752 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1753 #define KVM_XEN_EVTCHN_RESET (1 << 2) 1754 /* 1755 * Events sent by the guest are either looped back to 1756 * the guest itself (potentially on a different port#) 1757 * or signalled via an eventfd. 1758 */ 1759 union { 1760 struct { 1761 __u32 port; 1762 __u32 vcpu; 1763 __u32 priority; 1764 } port; 1765 struct { 1766 __u32 port; /* Zero for eventfd */ 1767 __s32 fd; 1768 } eventfd; 1769 __u32 padding[4]; 1770 } deliver; 1771 } evtchn; 1772 __u32 xen_version; 1773 __u64 pad[8]; 1774 } u; 1775 }; 1776 1777 1778 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1779 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1780 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1781 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1782 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1783 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1784 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1785 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 1786 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 1787 1788 /* Per-vCPU Xen attributes */ 1789 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1790 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1791 1792 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1793 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1794 1795 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1796 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1797 1798 struct kvm_xen_vcpu_attr { 1799 __u16 type; 1800 __u16 pad[3]; 1801 union { 1802 __u64 gpa; 1803 #define KVM_XEN_INVALID_GPA ((__u64)-1) 1804 __u64 pad[8]; 1805 struct { 1806 __u64 state; 1807 __u64 state_entry_time; 1808 __u64 time_running; 1809 __u64 time_runnable; 1810 __u64 time_blocked; 1811 __u64 time_offline; 1812 } runstate; 1813 __u32 vcpu_id; 1814 struct { 1815 __u32 port; 1816 __u32 priority; 1817 __u64 expires_ns; 1818 } timer; 1819 __u8 vector; 1820 } u; 1821 }; 1822 1823 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1824 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1825 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1826 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1827 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1828 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1829 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1830 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1831 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1832 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1833 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1834 1835 /* Secure Encrypted Virtualization command */ 1836 enum sev_cmd_id { 1837 /* Guest initialization commands */ 1838 KVM_SEV_INIT = 0, 1839 KVM_SEV_ES_INIT, 1840 /* Guest launch commands */ 1841 KVM_SEV_LAUNCH_START, 1842 KVM_SEV_LAUNCH_UPDATE_DATA, 1843 KVM_SEV_LAUNCH_UPDATE_VMSA, 1844 KVM_SEV_LAUNCH_SECRET, 1845 KVM_SEV_LAUNCH_MEASURE, 1846 KVM_SEV_LAUNCH_FINISH, 1847 /* Guest migration commands (outgoing) */ 1848 KVM_SEV_SEND_START, 1849 KVM_SEV_SEND_UPDATE_DATA, 1850 KVM_SEV_SEND_UPDATE_VMSA, 1851 KVM_SEV_SEND_FINISH, 1852 /* Guest migration commands (incoming) */ 1853 KVM_SEV_RECEIVE_START, 1854 KVM_SEV_RECEIVE_UPDATE_DATA, 1855 KVM_SEV_RECEIVE_UPDATE_VMSA, 1856 KVM_SEV_RECEIVE_FINISH, 1857 /* Guest status and debug commands */ 1858 KVM_SEV_GUEST_STATUS, 1859 KVM_SEV_DBG_DECRYPT, 1860 KVM_SEV_DBG_ENCRYPT, 1861 /* Guest certificates commands */ 1862 KVM_SEV_CERT_EXPORT, 1863 /* Attestation report */ 1864 KVM_SEV_GET_ATTESTATION_REPORT, 1865 /* Guest Migration Extension */ 1866 KVM_SEV_SEND_CANCEL, 1867 1868 KVM_SEV_NR_MAX, 1869 }; 1870 1871 struct kvm_sev_cmd { 1872 __u32 id; 1873 __u64 data; 1874 __u32 error; 1875 __u32 sev_fd; 1876 }; 1877 1878 struct kvm_sev_launch_start { 1879 __u32 handle; 1880 __u32 policy; 1881 __u64 dh_uaddr; 1882 __u32 dh_len; 1883 __u64 session_uaddr; 1884 __u32 session_len; 1885 }; 1886 1887 struct kvm_sev_launch_update_data { 1888 __u64 uaddr; 1889 __u32 len; 1890 }; 1891 1892 1893 struct kvm_sev_launch_secret { 1894 __u64 hdr_uaddr; 1895 __u32 hdr_len; 1896 __u64 guest_uaddr; 1897 __u32 guest_len; 1898 __u64 trans_uaddr; 1899 __u32 trans_len; 1900 }; 1901 1902 struct kvm_sev_launch_measure { 1903 __u64 uaddr; 1904 __u32 len; 1905 }; 1906 1907 struct kvm_sev_guest_status { 1908 __u32 handle; 1909 __u32 policy; 1910 __u32 state; 1911 }; 1912 1913 struct kvm_sev_dbg { 1914 __u64 src_uaddr; 1915 __u64 dst_uaddr; 1916 __u32 len; 1917 }; 1918 1919 struct kvm_sev_attestation_report { 1920 __u8 mnonce[16]; 1921 __u64 uaddr; 1922 __u32 len; 1923 }; 1924 1925 struct kvm_sev_send_start { 1926 __u32 policy; 1927 __u64 pdh_cert_uaddr; 1928 __u32 pdh_cert_len; 1929 __u64 plat_certs_uaddr; 1930 __u32 plat_certs_len; 1931 __u64 amd_certs_uaddr; 1932 __u32 amd_certs_len; 1933 __u64 session_uaddr; 1934 __u32 session_len; 1935 }; 1936 1937 struct kvm_sev_send_update_data { 1938 __u64 hdr_uaddr; 1939 __u32 hdr_len; 1940 __u64 guest_uaddr; 1941 __u32 guest_len; 1942 __u64 trans_uaddr; 1943 __u32 trans_len; 1944 }; 1945 1946 struct kvm_sev_receive_start { 1947 __u32 handle; 1948 __u32 policy; 1949 __u64 pdh_uaddr; 1950 __u32 pdh_len; 1951 __u64 session_uaddr; 1952 __u32 session_len; 1953 }; 1954 1955 struct kvm_sev_receive_update_data { 1956 __u64 hdr_uaddr; 1957 __u32 hdr_len; 1958 __u64 guest_uaddr; 1959 __u32 guest_len; 1960 __u64 trans_uaddr; 1961 __u32 trans_len; 1962 }; 1963 1964 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1965 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1966 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1967 1968 struct kvm_assigned_pci_dev { 1969 __u32 assigned_dev_id; 1970 __u32 busnr; 1971 __u32 devfn; 1972 __u32 flags; 1973 __u32 segnr; 1974 union { 1975 __u32 reserved[11]; 1976 }; 1977 }; 1978 1979 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1980 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1981 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1982 1983 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1984 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1985 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1986 1987 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1988 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1989 1990 struct kvm_assigned_irq { 1991 __u32 assigned_dev_id; 1992 __u32 host_irq; /* ignored (legacy field) */ 1993 __u32 guest_irq; 1994 __u32 flags; 1995 union { 1996 __u32 reserved[12]; 1997 }; 1998 }; 1999 2000 struct kvm_assigned_msix_nr { 2001 __u32 assigned_dev_id; 2002 __u16 entry_nr; 2003 __u16 padding; 2004 }; 2005 2006 #define KVM_MAX_MSIX_PER_DEV 256 2007 struct kvm_assigned_msix_entry { 2008 __u32 assigned_dev_id; 2009 __u32 gsi; 2010 __u16 entry; /* The index of entry in the MSI-X table */ 2011 __u16 padding[3]; 2012 }; 2013 2014 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 2015 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 2016 2017 /* Available with KVM_CAP_ARM_USER_IRQ */ 2018 2019 /* Bits for run->s.regs.device_irq_level */ 2020 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 2021 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 2022 #define KVM_ARM_DEV_PMU (1 << 2) 2023 2024 struct kvm_hyperv_eventfd { 2025 __u32 conn_id; 2026 __s32 fd; 2027 __u32 flags; 2028 __u32 padding[3]; 2029 }; 2030 2031 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 2032 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 2033 2034 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 2035 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 2036 2037 /* 2038 * Arch needs to define the macro after implementing the dirty ring 2039 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 2040 * starting page offset of the dirty ring structures. 2041 */ 2042 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 2043 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 2044 #endif 2045 2046 /* 2047 * KVM dirty GFN flags, defined as: 2048 * 2049 * |---------------+---------------+--------------| 2050 * | bit 1 (reset) | bit 0 (dirty) | Status | 2051 * |---------------+---------------+--------------| 2052 * | 0 | 0 | Invalid GFN | 2053 * | 0 | 1 | Dirty GFN | 2054 * | 1 | X | GFN to reset | 2055 * |---------------+---------------+--------------| 2056 * 2057 * Lifecycle of a dirty GFN goes like: 2058 * 2059 * dirtied harvested reset 2060 * 00 -----------> 01 -------------> 1X -------+ 2061 * ^ | 2062 * | | 2063 * +------------------------------------------+ 2064 * 2065 * The userspace program is only responsible for the 01->1X state 2066 * conversion after harvesting an entry. Also, it must not skip any 2067 * dirty bits, so that dirty bits are always harvested in sequence. 2068 */ 2069 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2070 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2071 #define KVM_DIRTY_GFN_F_MASK 0x3 2072 2073 /* 2074 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2075 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2076 * size of the gfn buffer is decided by the first argument when 2077 * enabling KVM_CAP_DIRTY_LOG_RING. 2078 */ 2079 struct kvm_dirty_gfn { 2080 __u32 flags; 2081 __u32 slot; 2082 __u64 offset; 2083 }; 2084 2085 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2086 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2087 2088 #define KVM_PMU_CAP_DISABLE (1 << 0) 2089 2090 /** 2091 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2092 * @flags: Some extra information for header, always 0 for now. 2093 * @name_size: The size in bytes of the memory which contains statistics 2094 * name string including trailing '\0'. The memory is allocated 2095 * at the send of statistics descriptor. 2096 * @num_desc: The number of statistics the vm or vcpu has. 2097 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2098 * by vm/vcpu stats fd. 2099 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2100 * pointd by vm/vcpu stats fd. 2101 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2102 * pointed by vm/vcpu stats fd. 2103 * 2104 * This is the header userspace needs to read from stats fd before any other 2105 * readings. It is used by userspace to discover all the information about the 2106 * vm/vcpu's binary statistics. 2107 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2108 */ 2109 struct kvm_stats_header { 2110 __u32 flags; 2111 __u32 name_size; 2112 __u32 num_desc; 2113 __u32 id_offset; 2114 __u32 desc_offset; 2115 __u32 data_offset; 2116 }; 2117 2118 #define KVM_STATS_TYPE_SHIFT 0 2119 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2120 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2121 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2122 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2123 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2124 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2125 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2126 2127 #define KVM_STATS_UNIT_SHIFT 4 2128 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2129 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2130 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2131 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2132 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2133 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 2134 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 2135 2136 #define KVM_STATS_BASE_SHIFT 8 2137 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2138 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2139 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2140 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2141 2142 /** 2143 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2144 * @flags: Annotations of the stats, like type, unit, etc. 2145 * @exponent: Used together with @flags to determine the unit. 2146 * @size: The number of data items for this stats. 2147 * Every data item is of type __u64. 2148 * @offset: The offset of the stats to the start of stat structure in 2149 * structure kvm or kvm_vcpu. 2150 * @bucket_size: A parameter value used for histogram stats. It is only used 2151 * for linear histogram stats, specifying the size of the bucket; 2152 * @name: The name string for the stats. Its size is indicated by the 2153 * &kvm_stats_header->name_size. 2154 */ 2155 struct kvm_stats_desc { 2156 __u32 flags; 2157 __s16 exponent; 2158 __u16 size; 2159 __u32 offset; 2160 __u32 bucket_size; 2161 char name[]; 2162 }; 2163 2164 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2165 2166 /* Available with KVM_CAP_XSAVE2 */ 2167 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2168 2169 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 2170 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 2171 2172 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 2173 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 2174 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 2175 2176 /* Available with KVM_CAP_S390_ZPCI_OP */ 2177 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 2178 2179 struct kvm_s390_zpci_op { 2180 /* in */ 2181 __u32 fh; /* target device */ 2182 __u8 op; /* operation to perform */ 2183 __u8 pad[3]; 2184 union { 2185 /* for KVM_S390_ZPCIOP_REG_AEN */ 2186 struct { 2187 __u64 ibv; /* Guest addr of interrupt bit vector */ 2188 __u64 sb; /* Guest addr of summary bit */ 2189 __u32 flags; 2190 __u32 noi; /* Number of interrupts */ 2191 __u8 isc; /* Guest interrupt subclass */ 2192 __u8 sbo; /* Offset of guest summary bit vector */ 2193 __u16 pad; 2194 } reg_aen; 2195 __u64 reserved[8]; 2196 } u; 2197 }; 2198 2199 /* types for kvm_s390_zpci_op->op */ 2200 #define KVM_S390_ZPCIOP_REG_AEN 0 2201 #define KVM_S390_ZPCIOP_DEREG_AEN 1 2202 2203 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */ 2204 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) 2205 2206 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 2207 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 2208 2209 struct kvm_memory_attributes { 2210 __u64 address; 2211 __u64 size; 2212 __u64 attributes; 2213 __u64 flags; 2214 }; 2215 2216 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 2217 2218 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 2219 2220 struct kvm_create_guest_memfd { 2221 __u64 size; 2222 __u64 flags; 2223 __u64 reserved[6]; 2224 }; 2225 2226 #endif /* __LINUX_KVM_H */ 2227