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 */ 20struct 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 */ 29struct 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 */ 51struct 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 66struct 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 */ 81struct kvm_pit_config { 82 __u32 flags; 83 __u32 pad[15]; 84}; 85 86#define KVM_PIT_SPEAKER_DUMMY 1 87 88struct 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 */ 114struct 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 125struct 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 156struct 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) */ 228struct 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 498struct kvm_coalesced_mmio_zone { 499 __u64 addr; 500 __u32 size; 501 union { 502 __u32 pad; 503 __u32 pio; 504 }; 505}; 506 507struct 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 517struct 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 */ 527struct 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 */ 540struct 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 */ 577struct kvm_interrupt { 578 /* in */ 579 __u32 irq; 580}; 581 582/* for KVM_GET_DIRTY_LOG */ 583struct 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 */ 593struct 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 */ 604struct kvm_signal_mask { 605 __u32 len; 606 __u8 sigset[]; 607}; 608 609/* for KVM_TPR_ACCESS_REPORTING */ 610struct kvm_tpr_access_ctl { 611 __u32 enabled; 612 __u32 flags; 613 __u32 reserved[8]; 614}; 615 616/* for KVM_SET_VAPIC_ADDR */ 617struct 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 636struct kvm_mp_state { 637 __u32 mp_state; 638}; 639 640struct 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 670struct kvm_s390_interrupt { 671 __u32 type; 672 __u32 parm; 673 __u64 parm64; 674}; 675 676struct kvm_s390_io_info { 677 __u16 subchannel_id; 678 __u16 subchannel_nr; 679 __u32 io_int_parm; 680 __u32 io_int_word; 681}; 682 683struct kvm_s390_ext_info { 684 __u32 ext_params; 685 __u32 pad; 686 __u64 ext_params2; 687}; 688 689struct 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 710struct kvm_s390_prefix_info { 711 __u32 address; 712}; 713 714struct kvm_s390_extcall_info { 715 __u16 code; 716}; 717 718struct kvm_s390_emerg_info { 719 __u16 code; 720}; 721 722#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 723struct kvm_s390_stop_info { 724 __u32 flags; 725}; 726 727struct 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 736struct 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 751struct 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 763struct kvm_guest_debug { 764 __u32 control; 765 __u32 pad; 766 struct kvm_guest_debug_arch arch; 767}; 768 769enum { 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 786struct 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 */ 805struct 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 817struct 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 827struct kvm_ppc_one_page_size { 828 __u32 page_shift; /* Page shift (or 0) */ 829 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 830}; 831 832struct 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 842struct 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} */ 851struct 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 1161struct kvm_irq_routing_irqchip { 1162 __u32 irqchip; 1163 __u32 pin; 1164}; 1165 1166struct 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 1176struct 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 1184struct kvm_irq_routing_hv_sint { 1185 __u32 vcpu; 1186 __u32 sint; 1187}; 1188 1189struct 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 1204struct 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 1219struct kvm_irq_routing { 1220 __u32 nr; 1221 __u32 flags; 1222 struct kvm_irq_routing_entry entries[]; 1223}; 1224 1225#endif 1226 1227#ifdef KVM_CAP_MCE 1228/* x86 MCE */ 1229struct kvm_x86_mce { 1230 __u64 status; 1231 __u64 addr; 1232 __u64 misc; 1233 __u64 mcg_status; 1234 __u8 bank; 1235 __u8 pad1[7]; 1236 __u64 pad2[3]; 1237}; 1238#endif 1239 1240#ifdef KVM_CAP_XEN_HVM 1241#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1242#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1243#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1244#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1245#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1246#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1247#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 1248#define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7) 1249 1250struct kvm_xen_hvm_config { 1251 __u32 flags; 1252 __u32 msr; 1253 __u64 blob_addr_32; 1254 __u64 blob_addr_64; 1255 __u8 blob_size_32; 1256 __u8 blob_size_64; 1257 __u8 pad2[30]; 1258}; 1259#endif 1260 1261#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1262/* 1263 * Available with KVM_CAP_IRQFD_RESAMPLE 1264 * 1265 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1266 * the irqfd to operate in resampling mode for level triggered interrupt 1267 * emulation. See Documentation/virt/kvm/api.rst. 1268 */ 1269#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1270 1271struct kvm_irqfd { 1272 __u32 fd; 1273 __u32 gsi; 1274 __u32 flags; 1275 __u32 resamplefd; 1276 __u8 pad[16]; 1277}; 1278 1279/* For KVM_CAP_ADJUST_CLOCK */ 1280 1281/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1282#define KVM_CLOCK_TSC_STABLE 2 1283#define KVM_CLOCK_REALTIME (1 << 2) 1284#define KVM_CLOCK_HOST_TSC (1 << 3) 1285 1286struct kvm_clock_data { 1287 __u64 clock; 1288 __u32 flags; 1289 __u32 pad0; 1290 __u64 realtime; 1291 __u64 host_tsc; 1292 __u32 pad[4]; 1293}; 1294 1295/* For KVM_CAP_SW_TLB */ 1296 1297#define KVM_MMU_FSL_BOOKE_NOHV 0 1298#define KVM_MMU_FSL_BOOKE_HV 1 1299 1300struct kvm_config_tlb { 1301 __u64 params; 1302 __u64 array; 1303 __u32 mmu_type; 1304 __u32 array_len; 1305}; 1306 1307struct kvm_dirty_tlb { 1308 __u64 bitmap; 1309 __u32 num_dirty; 1310}; 1311 1312/* Available with KVM_CAP_ONE_REG */ 1313 1314#define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1315#define KVM_REG_GENERIC 0x0000000000000000ULL 1316 1317/* 1318 * Architecture specific registers are to be defined in arch headers and 1319 * ORed with the arch identifier. 1320 */ 1321#define KVM_REG_PPC 0x1000000000000000ULL 1322#define KVM_REG_X86 0x2000000000000000ULL 1323#define KVM_REG_IA64 0x3000000000000000ULL 1324#define KVM_REG_ARM 0x4000000000000000ULL 1325#define KVM_REG_S390 0x5000000000000000ULL 1326#define KVM_REG_ARM64 0x6000000000000000ULL 1327#define KVM_REG_MIPS 0x7000000000000000ULL 1328#define KVM_REG_RISCV 0x8000000000000000ULL 1329#define KVM_REG_LOONGARCH 0x9000000000000000ULL 1330 1331#define KVM_REG_SIZE_SHIFT 52 1332#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1333#define KVM_REG_SIZE_U8 0x0000000000000000ULL 1334#define KVM_REG_SIZE_U16 0x0010000000000000ULL 1335#define KVM_REG_SIZE_U32 0x0020000000000000ULL 1336#define KVM_REG_SIZE_U64 0x0030000000000000ULL 1337#define KVM_REG_SIZE_U128 0x0040000000000000ULL 1338#define KVM_REG_SIZE_U256 0x0050000000000000ULL 1339#define KVM_REG_SIZE_U512 0x0060000000000000ULL 1340#define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1341#define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1342 1343struct kvm_reg_list { 1344 __u64 n; /* number of regs */ 1345 __u64 reg[]; 1346}; 1347 1348struct kvm_one_reg { 1349 __u64 id; 1350 __u64 addr; 1351}; 1352 1353#define KVM_MSI_VALID_DEVID (1U << 0) 1354struct kvm_msi { 1355 __u32 address_lo; 1356 __u32 address_hi; 1357 __u32 data; 1358 __u32 flags; 1359 __u32 devid; 1360 __u8 pad[12]; 1361}; 1362 1363struct kvm_arm_device_addr { 1364 __u64 id; 1365 __u64 addr; 1366}; 1367 1368/* 1369 * Device control API, available with KVM_CAP_DEVICE_CTRL 1370 */ 1371#define KVM_CREATE_DEVICE_TEST 1 1372 1373struct kvm_create_device { 1374 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1375 __u32 fd; /* out: device handle */ 1376 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1377}; 1378 1379struct kvm_device_attr { 1380 __u32 flags; /* no flags currently defined */ 1381 __u32 group; /* device-defined */ 1382 __u64 attr; /* group-defined */ 1383 __u64 addr; /* userspace address of attr data */ 1384}; 1385 1386#define KVM_DEV_VFIO_FILE 1 1387 1388#define KVM_DEV_VFIO_FILE_ADD 1 1389#define KVM_DEV_VFIO_FILE_DEL 2 1390 1391/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1392#define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1393 1394#define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1395#define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1396#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1397 1398enum kvm_device_type { 1399 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1400#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1401 KVM_DEV_TYPE_FSL_MPIC_42, 1402#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1403 KVM_DEV_TYPE_XICS, 1404#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1405 KVM_DEV_TYPE_VFIO, 1406#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1407 KVM_DEV_TYPE_ARM_VGIC_V2, 1408#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1409 KVM_DEV_TYPE_FLIC, 1410#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1411 KVM_DEV_TYPE_ARM_VGIC_V3, 1412#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1413 KVM_DEV_TYPE_ARM_VGIC_ITS, 1414#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1415 KVM_DEV_TYPE_XIVE, 1416#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1417 KVM_DEV_TYPE_ARM_PV_TIME, 1418#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1419 KVM_DEV_TYPE_RISCV_AIA, 1420#define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1421 KVM_DEV_TYPE_MAX, 1422}; 1423 1424struct kvm_vfio_spapr_tce { 1425 __s32 groupfd; 1426 __s32 tablefd; 1427}; 1428 1429/* 1430 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1431 * a vcpu fd. 1432 */ 1433#define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1434#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1435#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1436#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1437#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1438 struct kvm_userspace_memory_region) 1439#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1440#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1441#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1442 struct kvm_userspace_memory_region2) 1443 1444/* enable ucontrol for s390 */ 1445struct kvm_s390_ucas_mapping { 1446 __u64 user_addr; 1447 __u64 vcpu_addr; 1448 __u64 length; 1449}; 1450#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1451#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1452#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1453 1454/* Device model IOC */ 1455#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1456#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1457#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1458#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1459#define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1460#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1461#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1462#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1463#define KVM_REGISTER_COALESCED_MMIO \ 1464 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1465#define KVM_UNREGISTER_COALESCED_MMIO \ 1466 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1467#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1468#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1469#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1470#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1471#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1472#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1473#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1474#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1475#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1476/* Available with KVM_CAP_PIT_STATE2 */ 1477#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1478#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1479/* Available with KVM_CAP_PPC_GET_PVINFO */ 1480#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1481/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1482* KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1483#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1484#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1485/* Available with KVM_CAP_SIGNAL_MSI */ 1486#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1487/* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1488#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1489/* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1490#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1491#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1492#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1493 struct kvm_create_spapr_tce_64) 1494/* Available with KVM_CAP_RMA */ 1495#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1496/* Available with KVM_CAP_PPC_HTAB_FD */ 1497#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1498/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1499#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1500/* Available with KVM_CAP_PPC_RTAS */ 1501#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1502/* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1503#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1504#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1505/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1506#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1507/* Available with KVM_CAP_PPC_RADIX_MMU */ 1508#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1509/* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1510#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1511/* Available with KVM_CAP_PMU_EVENT_FILTER */ 1512#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1513#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1514#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1515/* Available with KVM_CAP_COUNTER_OFFSET */ 1516#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1517#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1518 1519/* ioctl for vm fd */ 1520#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1521 1522/* ioctls for fds returned by KVM_CREATE_DEVICE */ 1523#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1524#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1525#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1526 1527/* 1528 * ioctls for vcpu fds 1529 */ 1530#define KVM_RUN _IO(KVMIO, 0x80) 1531#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1532#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1533#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1534#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1535#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1536#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1537#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1538#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1539#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1540#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1541#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1542#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1543#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1544#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1545#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1546#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1547/* Available with KVM_CAP_VAPIC */ 1548#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1549/* Available with KVM_CAP_VAPIC */ 1550#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1551/* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1552#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1553/* store status for s390 */ 1554#define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1555#define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1556#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1557/* initial ipl psw for s390 */ 1558#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1559/* initial reset for s390 */ 1560#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1561#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1562#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1563/* Available with KVM_CAP_USER_NMI */ 1564#define KVM_NMI _IO(KVMIO, 0x9a) 1565/* Available with KVM_CAP_SET_GUEST_DEBUG */ 1566#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1567/* MCE for x86 */ 1568#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1569#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1570#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1571/* Available with KVM_CAP_VCPU_EVENTS */ 1572#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1573#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1574/* Available with KVM_CAP_DEBUGREGS */ 1575#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1576#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1577/* 1578 * vcpu version available with KVM_CAP_ENABLE_CAP 1579 * vm version available with KVM_CAP_ENABLE_CAP_VM 1580 */ 1581#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1582/* Available with KVM_CAP_XSAVE */ 1583#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1584#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1585/* Available with KVM_CAP_XCRS */ 1586#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1587#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1588/* Available with KVM_CAP_SW_TLB */ 1589#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1590/* Available with KVM_CAP_ONE_REG */ 1591#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1592#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1593/* VM is being stopped by host */ 1594#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1595#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1596#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1597#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1598/* Available with KVM_CAP_S390_MEM_OP */ 1599#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1600/* Available with KVM_CAP_S390_SKEYS */ 1601#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1602#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1603/* Available with KVM_CAP_S390_INJECT_IRQ */ 1604#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1605/* Available with KVM_CAP_S390_IRQ_STATE */ 1606#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1607#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1608/* Available with KVM_CAP_X86_SMM */ 1609#define KVM_SMI _IO(KVMIO, 0xb7) 1610/* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1611#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1612#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1613/* Memory Encryption Commands */ 1614#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1615 1616struct kvm_enc_region { 1617 __u64 addr; 1618 __u64 size; 1619}; 1620 1621#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1622#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1623 1624/* Available with KVM_CAP_HYPERV_EVENTFD */ 1625#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1626 1627/* Available with KVM_CAP_NESTED_STATE */ 1628#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1629#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1630 1631/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1632#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1633 1634/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1635#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1636 1637/* Available with KVM_CAP_ARM_SVE */ 1638#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1639 1640/* Available with KVM_CAP_S390_VCPU_RESETS */ 1641#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1642#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1643 1644struct kvm_s390_pv_sec_parm { 1645 __u64 origin; 1646 __u64 length; 1647}; 1648 1649struct kvm_s390_pv_unp { 1650 __u64 addr; 1651 __u64 size; 1652 __u64 tweak; 1653}; 1654 1655enum pv_cmd_dmp_id { 1656 KVM_PV_DUMP_INIT, 1657 KVM_PV_DUMP_CONFIG_STOR_STATE, 1658 KVM_PV_DUMP_COMPLETE, 1659 KVM_PV_DUMP_CPU, 1660}; 1661 1662struct kvm_s390_pv_dmp { 1663 __u64 subcmd; 1664 __u64 buff_addr; 1665 __u64 buff_len; 1666 __u64 gaddr; /* For dump storage state */ 1667 __u64 reserved[4]; 1668}; 1669 1670enum pv_cmd_info_id { 1671 KVM_PV_INFO_VM, 1672 KVM_PV_INFO_DUMP, 1673}; 1674 1675struct kvm_s390_pv_info_dump { 1676 __u64 dump_cpu_buffer_len; 1677 __u64 dump_config_mem_buffer_per_1m; 1678 __u64 dump_config_finalize_len; 1679}; 1680 1681struct kvm_s390_pv_info_vm { 1682 __u64 inst_calls_list[4]; 1683 __u64 max_cpus; 1684 __u64 max_guests; 1685 __u64 max_guest_addr; 1686 __u64 feature_indication; 1687}; 1688 1689struct kvm_s390_pv_info_header { 1690 __u32 id; 1691 __u32 len_max; 1692 __u32 len_written; 1693 __u32 reserved; 1694}; 1695 1696struct kvm_s390_pv_info { 1697 struct kvm_s390_pv_info_header header; 1698 union { 1699 struct kvm_s390_pv_info_dump dump; 1700 struct kvm_s390_pv_info_vm vm; 1701 }; 1702}; 1703 1704enum pv_cmd_id { 1705 KVM_PV_ENABLE, 1706 KVM_PV_DISABLE, 1707 KVM_PV_SET_SEC_PARMS, 1708 KVM_PV_UNPACK, 1709 KVM_PV_VERIFY, 1710 KVM_PV_PREP_RESET, 1711 KVM_PV_UNSHARE_ALL, 1712 KVM_PV_INFO, 1713 KVM_PV_DUMP, 1714 KVM_PV_ASYNC_CLEANUP_PREPARE, 1715 KVM_PV_ASYNC_CLEANUP_PERFORM, 1716}; 1717 1718struct kvm_pv_cmd { 1719 __u32 cmd; /* Command to be executed */ 1720 __u16 rc; /* Ultravisor return code */ 1721 __u16 rrc; /* Ultravisor return reason code */ 1722 __u64 data; /* Data or address */ 1723 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1724 __u32 reserved[3]; 1725}; 1726 1727/* Available with KVM_CAP_S390_PROTECTED */ 1728#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1729 1730/* Available with KVM_CAP_X86_MSR_FILTER */ 1731#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1732 1733/* Available with KVM_CAP_DIRTY_LOG_RING */ 1734#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1735 1736/* Per-VM Xen attributes */ 1737#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1738#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1739 1740struct kvm_xen_hvm_attr { 1741 __u16 type; 1742 __u16 pad[3]; 1743 union { 1744 __u8 long_mode; 1745 __u8 vector; 1746 __u8 runstate_update_flag; 1747 struct { 1748 __u64 gfn; 1749#define KVM_XEN_INVALID_GFN ((__u64)-1) 1750 } shared_info; 1751 struct { 1752 __u32 send_port; 1753 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1754 __u32 flags; 1755#define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1756#define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1757#define KVM_XEN_EVTCHN_RESET (1 << 2) 1758 /* 1759 * Events sent by the guest are either looped back to 1760 * the guest itself (potentially on a different port#) 1761 * or signalled via an eventfd. 1762 */ 1763 union { 1764 struct { 1765 __u32 port; 1766 __u32 vcpu; 1767 __u32 priority; 1768 } port; 1769 struct { 1770 __u32 port; /* Zero for eventfd */ 1771 __s32 fd; 1772 } eventfd; 1773 __u32 padding[4]; 1774 } deliver; 1775 } evtchn; 1776 __u32 xen_version; 1777 __u64 pad[8]; 1778 } u; 1779}; 1780 1781 1782/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1783#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1784#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1785#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1786/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1787#define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1788#define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1789/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 1790#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 1791 1792/* Per-vCPU Xen attributes */ 1793#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1794#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1795 1796/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1797#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1798 1799#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1800#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1801 1802struct kvm_xen_vcpu_attr { 1803 __u16 type; 1804 __u16 pad[3]; 1805 union { 1806 __u64 gpa; 1807#define KVM_XEN_INVALID_GPA ((__u64)-1) 1808 __u64 pad[8]; 1809 struct { 1810 __u64 state; 1811 __u64 state_entry_time; 1812 __u64 time_running; 1813 __u64 time_runnable; 1814 __u64 time_blocked; 1815 __u64 time_offline; 1816 } runstate; 1817 __u32 vcpu_id; 1818 struct { 1819 __u32 port; 1820 __u32 priority; 1821 __u64 expires_ns; 1822 } timer; 1823 __u8 vector; 1824 } u; 1825}; 1826 1827/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1828#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1829#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1830#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1831#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1832#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1833#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1834/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1835#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1836#define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1837#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1838 1839/* Secure Encrypted Virtualization command */ 1840enum sev_cmd_id { 1841 /* Guest initialization commands */ 1842 KVM_SEV_INIT = 0, 1843 KVM_SEV_ES_INIT, 1844 /* Guest launch commands */ 1845 KVM_SEV_LAUNCH_START, 1846 KVM_SEV_LAUNCH_UPDATE_DATA, 1847 KVM_SEV_LAUNCH_UPDATE_VMSA, 1848 KVM_SEV_LAUNCH_SECRET, 1849 KVM_SEV_LAUNCH_MEASURE, 1850 KVM_SEV_LAUNCH_FINISH, 1851 /* Guest migration commands (outgoing) */ 1852 KVM_SEV_SEND_START, 1853 KVM_SEV_SEND_UPDATE_DATA, 1854 KVM_SEV_SEND_UPDATE_VMSA, 1855 KVM_SEV_SEND_FINISH, 1856 /* Guest migration commands (incoming) */ 1857 KVM_SEV_RECEIVE_START, 1858 KVM_SEV_RECEIVE_UPDATE_DATA, 1859 KVM_SEV_RECEIVE_UPDATE_VMSA, 1860 KVM_SEV_RECEIVE_FINISH, 1861 /* Guest status and debug commands */ 1862 KVM_SEV_GUEST_STATUS, 1863 KVM_SEV_DBG_DECRYPT, 1864 KVM_SEV_DBG_ENCRYPT, 1865 /* Guest certificates commands */ 1866 KVM_SEV_CERT_EXPORT, 1867 /* Attestation report */ 1868 KVM_SEV_GET_ATTESTATION_REPORT, 1869 /* Guest Migration Extension */ 1870 KVM_SEV_SEND_CANCEL, 1871 1872 KVM_SEV_NR_MAX, 1873}; 1874 1875struct kvm_sev_cmd { 1876 __u32 id; 1877 __u64 data; 1878 __u32 error; 1879 __u32 sev_fd; 1880}; 1881 1882struct kvm_sev_launch_start { 1883 __u32 handle; 1884 __u32 policy; 1885 __u64 dh_uaddr; 1886 __u32 dh_len; 1887 __u64 session_uaddr; 1888 __u32 session_len; 1889}; 1890 1891struct kvm_sev_launch_update_data { 1892 __u64 uaddr; 1893 __u32 len; 1894}; 1895 1896 1897struct kvm_sev_launch_secret { 1898 __u64 hdr_uaddr; 1899 __u32 hdr_len; 1900 __u64 guest_uaddr; 1901 __u32 guest_len; 1902 __u64 trans_uaddr; 1903 __u32 trans_len; 1904}; 1905 1906struct kvm_sev_launch_measure { 1907 __u64 uaddr; 1908 __u32 len; 1909}; 1910 1911struct kvm_sev_guest_status { 1912 __u32 handle; 1913 __u32 policy; 1914 __u32 state; 1915}; 1916 1917struct kvm_sev_dbg { 1918 __u64 src_uaddr; 1919 __u64 dst_uaddr; 1920 __u32 len; 1921}; 1922 1923struct kvm_sev_attestation_report { 1924 __u8 mnonce[16]; 1925 __u64 uaddr; 1926 __u32 len; 1927}; 1928 1929struct kvm_sev_send_start { 1930 __u32 policy; 1931 __u64 pdh_cert_uaddr; 1932 __u32 pdh_cert_len; 1933 __u64 plat_certs_uaddr; 1934 __u32 plat_certs_len; 1935 __u64 amd_certs_uaddr; 1936 __u32 amd_certs_len; 1937 __u64 session_uaddr; 1938 __u32 session_len; 1939}; 1940 1941struct kvm_sev_send_update_data { 1942 __u64 hdr_uaddr; 1943 __u32 hdr_len; 1944 __u64 guest_uaddr; 1945 __u32 guest_len; 1946 __u64 trans_uaddr; 1947 __u32 trans_len; 1948}; 1949 1950struct kvm_sev_receive_start { 1951 __u32 handle; 1952 __u32 policy; 1953 __u64 pdh_uaddr; 1954 __u32 pdh_len; 1955 __u64 session_uaddr; 1956 __u32 session_len; 1957}; 1958 1959struct kvm_sev_receive_update_data { 1960 __u64 hdr_uaddr; 1961 __u32 hdr_len; 1962 __u64 guest_uaddr; 1963 __u32 guest_len; 1964 __u64 trans_uaddr; 1965 __u32 trans_len; 1966}; 1967 1968#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1969#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1970#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1971 1972struct kvm_assigned_pci_dev { 1973 __u32 assigned_dev_id; 1974 __u32 busnr; 1975 __u32 devfn; 1976 __u32 flags; 1977 __u32 segnr; 1978 union { 1979 __u32 reserved[11]; 1980 }; 1981}; 1982 1983#define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1984#define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1985#define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1986 1987#define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1988#define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1989#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1990 1991#define KVM_DEV_IRQ_HOST_MASK 0x00ff 1992#define KVM_DEV_IRQ_GUEST_MASK 0xff00 1993 1994struct kvm_assigned_irq { 1995 __u32 assigned_dev_id; 1996 __u32 host_irq; /* ignored (legacy field) */ 1997 __u32 guest_irq; 1998 __u32 flags; 1999 union { 2000 __u32 reserved[12]; 2001 }; 2002}; 2003 2004struct kvm_assigned_msix_nr { 2005 __u32 assigned_dev_id; 2006 __u16 entry_nr; 2007 __u16 padding; 2008}; 2009 2010#define KVM_MAX_MSIX_PER_DEV 256 2011struct kvm_assigned_msix_entry { 2012 __u32 assigned_dev_id; 2013 __u32 gsi; 2014 __u16 entry; /* The index of entry in the MSI-X table */ 2015 __u16 padding[3]; 2016}; 2017 2018#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 2019#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 2020 2021/* Available with KVM_CAP_ARM_USER_IRQ */ 2022 2023/* Bits for run->s.regs.device_irq_level */ 2024#define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 2025#define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 2026#define KVM_ARM_DEV_PMU (1 << 2) 2027 2028struct kvm_hyperv_eventfd { 2029 __u32 conn_id; 2030 __s32 fd; 2031 __u32 flags; 2032 __u32 padding[3]; 2033}; 2034 2035#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 2036#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 2037 2038#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 2039#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 2040 2041/* 2042 * Arch needs to define the macro after implementing the dirty ring 2043 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 2044 * starting page offset of the dirty ring structures. 2045 */ 2046#ifndef KVM_DIRTY_LOG_PAGE_OFFSET 2047#define KVM_DIRTY_LOG_PAGE_OFFSET 0 2048#endif 2049 2050/* 2051 * KVM dirty GFN flags, defined as: 2052 * 2053 * |---------------+---------------+--------------| 2054 * | bit 1 (reset) | bit 0 (dirty) | Status | 2055 * |---------------+---------------+--------------| 2056 * | 0 | 0 | Invalid GFN | 2057 * | 0 | 1 | Dirty GFN | 2058 * | 1 | X | GFN to reset | 2059 * |---------------+---------------+--------------| 2060 * 2061 * Lifecycle of a dirty GFN goes like: 2062 * 2063 * dirtied harvested reset 2064 * 00 -----------> 01 -------------> 1X -------+ 2065 * ^ | 2066 * | | 2067 * +------------------------------------------+ 2068 * 2069 * The userspace program is only responsible for the 01->1X state 2070 * conversion after harvesting an entry. Also, it must not skip any 2071 * dirty bits, so that dirty bits are always harvested in sequence. 2072 */ 2073#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2074#define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2075#define KVM_DIRTY_GFN_F_MASK 0x3 2076 2077/* 2078 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2079 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2080 * size of the gfn buffer is decided by the first argument when 2081 * enabling KVM_CAP_DIRTY_LOG_RING. 2082 */ 2083struct kvm_dirty_gfn { 2084 __u32 flags; 2085 __u32 slot; 2086 __u64 offset; 2087}; 2088 2089#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2090#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2091 2092#define KVM_PMU_CAP_DISABLE (1 << 0) 2093 2094/** 2095 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2096 * @flags: Some extra information for header, always 0 for now. 2097 * @name_size: The size in bytes of the memory which contains statistics 2098 * name string including trailing '\0'. The memory is allocated 2099 * at the send of statistics descriptor. 2100 * @num_desc: The number of statistics the vm or vcpu has. 2101 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2102 * by vm/vcpu stats fd. 2103 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2104 * pointd by vm/vcpu stats fd. 2105 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2106 * pointed by vm/vcpu stats fd. 2107 * 2108 * This is the header userspace needs to read from stats fd before any other 2109 * readings. It is used by userspace to discover all the information about the 2110 * vm/vcpu's binary statistics. 2111 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2112 */ 2113struct kvm_stats_header { 2114 __u32 flags; 2115 __u32 name_size; 2116 __u32 num_desc; 2117 __u32 id_offset; 2118 __u32 desc_offset; 2119 __u32 data_offset; 2120}; 2121 2122#define KVM_STATS_TYPE_SHIFT 0 2123#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2124#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2125#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2126#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2127#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2128#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2129#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2130 2131#define KVM_STATS_UNIT_SHIFT 4 2132#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2133#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2134#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2135#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2136#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2137#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 2138#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 2139 2140#define KVM_STATS_BASE_SHIFT 8 2141#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2142#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2143#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2144#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2145 2146/** 2147 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2148 * @flags: Annotations of the stats, like type, unit, etc. 2149 * @exponent: Used together with @flags to determine the unit. 2150 * @size: The number of data items for this stats. 2151 * Every data item is of type __u64. 2152 * @offset: The offset of the stats to the start of stat structure in 2153 * structure kvm or kvm_vcpu. 2154 * @bucket_size: A parameter value used for histogram stats. It is only used 2155 * for linear histogram stats, specifying the size of the bucket; 2156 * @name: The name string for the stats. Its size is indicated by the 2157 * &kvm_stats_header->name_size. 2158 */ 2159struct kvm_stats_desc { 2160 __u32 flags; 2161 __s16 exponent; 2162 __u16 size; 2163 __u32 offset; 2164 __u32 bucket_size; 2165 char name[]; 2166}; 2167 2168#define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2169 2170/* Available with KVM_CAP_XSAVE2 */ 2171#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2172 2173/* Available with KVM_CAP_S390_PROTECTED_DUMP */ 2174#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 2175 2176/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 2177#define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 2178#define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 2179 2180/* Available with KVM_CAP_S390_ZPCI_OP */ 2181#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 2182 2183struct kvm_s390_zpci_op { 2184 /* in */ 2185 __u32 fh; /* target device */ 2186 __u8 op; /* operation to perform */ 2187 __u8 pad[3]; 2188 union { 2189 /* for KVM_S390_ZPCIOP_REG_AEN */ 2190 struct { 2191 __u64 ibv; /* Guest addr of interrupt bit vector */ 2192 __u64 sb; /* Guest addr of summary bit */ 2193 __u32 flags; 2194 __u32 noi; /* Number of interrupts */ 2195 __u8 isc; /* Guest interrupt subclass */ 2196 __u8 sbo; /* Offset of guest summary bit vector */ 2197 __u16 pad; 2198 } reg_aen; 2199 __u64 reserved[8]; 2200 } u; 2201}; 2202 2203/* types for kvm_s390_zpci_op->op */ 2204#define KVM_S390_ZPCIOP_REG_AEN 0 2205#define KVM_S390_ZPCIOP_DEREG_AEN 1 2206 2207/* flags for kvm_s390_zpci_op->u.reg_aen.flags */ 2208#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) 2209 2210/* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 2211#define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 2212 2213struct kvm_memory_attributes { 2214 __u64 address; 2215 __u64 size; 2216 __u64 attributes; 2217 __u64 flags; 2218}; 2219 2220#define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 2221 2222#define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 2223 2224struct kvm_create_guest_memfd { 2225 __u64 size; 2226 __u64 flags; 2227 __u64 reserved[6]; 2228}; 2229 2230#endif /* __LINUX_KVM_H */ 2231