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 /* *** Deprecated interfaces *** */ 20 21 #define KVM_TRC_SHIFT 16 22 23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) 24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) 25 26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) 27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) 28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) 29 30 #define KVM_TRC_HEAD_SIZE 12 31 #define KVM_TRC_CYCLE_SIZE 8 32 #define KVM_TRC_EXTRA_MAX 7 33 34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) 35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) 36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) 37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) 38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) 39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) 40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) 41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) 42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) 43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) 44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) 45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) 46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) 47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) 48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) 49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) 50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) 51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) 52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) 53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) 54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) 55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) 56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) 57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) 58 59 struct kvm_user_trace_setup { 60 __u32 buf_size; 61 __u32 buf_nr; 62 }; 63 64 #define __KVM_DEPRECATED_MAIN_W_0x06 \ 65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) 66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07) 67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08) 68 69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq) 70 71 struct kvm_breakpoint { 72 __u32 enabled; 73 __u32 padding; 74 __u64 address; 75 }; 76 77 struct kvm_debug_guest { 78 __u32 enabled; 79 __u32 pad; 80 struct kvm_breakpoint breakpoints[4]; 81 __u32 singlestep; 82 }; 83 84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest) 85 86 /* *** End of deprecated interfaces *** */ 87 88 89 /* for KVM_CREATE_MEMORY_REGION */ 90 struct kvm_memory_region { 91 __u32 slot; 92 __u32 flags; 93 __u64 guest_phys_addr; 94 __u64 memory_size; /* bytes */ 95 }; 96 97 /* for KVM_SET_USER_MEMORY_REGION */ 98 struct kvm_userspace_memory_region { 99 __u32 slot; 100 __u32 flags; 101 __u64 guest_phys_addr; 102 __u64 memory_size; /* bytes */ 103 __u64 userspace_addr; /* start of the userspace allocated memory */ 104 }; 105 106 /* 107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, 108 * other bits are reserved for kvm internal use which are defined in 109 * include/linux/kvm_host.h. 110 */ 111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 112 #define KVM_MEM_READONLY (1UL << 1) 113 114 /* for KVM_IRQ_LINE */ 115 struct kvm_irq_level { 116 /* 117 * ACPI gsi notion of irq. 118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 120 * For ARM: See Documentation/virt/kvm/api.rst 121 */ 122 union { 123 __u32 irq; 124 __s32 status; 125 }; 126 __u32 level; 127 }; 128 129 130 struct kvm_irqchip { 131 __u32 chip_id; 132 __u32 pad; 133 union { 134 char dummy[512]; /* reserving space */ 135 #ifdef __KVM_HAVE_PIT 136 struct kvm_pic_state pic; 137 #endif 138 #ifdef __KVM_HAVE_IOAPIC 139 struct kvm_ioapic_state ioapic; 140 #endif 141 } chip; 142 }; 143 144 /* for KVM_CREATE_PIT2 */ 145 struct kvm_pit_config { 146 __u32 flags; 147 __u32 pad[15]; 148 }; 149 150 #define KVM_PIT_SPEAKER_DUMMY 1 151 152 struct kvm_s390_skeys { 153 __u64 start_gfn; 154 __u64 count; 155 __u64 skeydata_addr; 156 __u32 flags; 157 __u32 reserved[9]; 158 }; 159 160 #define KVM_S390_CMMA_PEEK (1 << 0) 161 162 /** 163 * kvm_s390_cmma_log - Used for CMMA migration. 164 * 165 * Used both for input and output. 166 * 167 * @start_gfn: Guest page number to start from. 168 * @count: Size of the result buffer. 169 * @flags: Control operation mode via KVM_S390_CMMA_* flags 170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 171 * pages are still remaining. 172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 173 * in the PGSTE. 174 * @values: Pointer to the values buffer. 175 * 176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 177 */ 178 struct kvm_s390_cmma_log { 179 __u64 start_gfn; 180 __u32 count; 181 __u32 flags; 182 union { 183 __u64 remaining; 184 __u64 mask; 185 }; 186 __u64 values; 187 }; 188 189 struct kvm_hyperv_exit { 190 #define KVM_EXIT_HYPERV_SYNIC 1 191 #define KVM_EXIT_HYPERV_HCALL 2 192 #define KVM_EXIT_HYPERV_SYNDBG 3 193 __u32 type; 194 __u32 pad1; 195 union { 196 struct { 197 __u32 msr; 198 __u32 pad2; 199 __u64 control; 200 __u64 evt_page; 201 __u64 msg_page; 202 } synic; 203 struct { 204 __u64 input; 205 __u64 result; 206 __u64 params[2]; 207 } hcall; 208 struct { 209 __u32 msr; 210 __u32 pad2; 211 __u64 control; 212 __u64 status; 213 __u64 send_page; 214 __u64 recv_page; 215 __u64 pending_page; 216 } syndbg; 217 } u; 218 }; 219 220 struct kvm_xen_exit { 221 #define KVM_EXIT_XEN_HCALL 1 222 __u32 type; 223 union { 224 struct { 225 __u32 longmode; 226 __u32 cpl; 227 __u64 input; 228 __u64 result; 229 __u64 params[6]; 230 } hcall; 231 } u; 232 }; 233 234 #define KVM_S390_GET_SKEYS_NONE 1 235 #define KVM_S390_SKEYS_MAX 1048576 236 237 #define KVM_EXIT_UNKNOWN 0 238 #define KVM_EXIT_EXCEPTION 1 239 #define KVM_EXIT_IO 2 240 #define KVM_EXIT_HYPERCALL 3 241 #define KVM_EXIT_DEBUG 4 242 #define KVM_EXIT_HLT 5 243 #define KVM_EXIT_MMIO 6 244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 245 #define KVM_EXIT_SHUTDOWN 8 246 #define KVM_EXIT_FAIL_ENTRY 9 247 #define KVM_EXIT_INTR 10 248 #define KVM_EXIT_SET_TPR 11 249 #define KVM_EXIT_TPR_ACCESS 12 250 #define KVM_EXIT_S390_SIEIC 13 251 #define KVM_EXIT_S390_RESET 14 252 #define KVM_EXIT_DCR 15 /* deprecated */ 253 #define KVM_EXIT_NMI 16 254 #define KVM_EXIT_INTERNAL_ERROR 17 255 #define KVM_EXIT_OSI 18 256 #define KVM_EXIT_PAPR_HCALL 19 257 #define KVM_EXIT_S390_UCONTROL 20 258 #define KVM_EXIT_WATCHDOG 21 259 #define KVM_EXIT_S390_TSCH 22 260 #define KVM_EXIT_EPR 23 261 #define KVM_EXIT_SYSTEM_EVENT 24 262 #define KVM_EXIT_S390_STSI 25 263 #define KVM_EXIT_IOAPIC_EOI 26 264 #define KVM_EXIT_HYPERV 27 265 #define KVM_EXIT_ARM_NISV 28 266 #define KVM_EXIT_X86_RDMSR 29 267 #define KVM_EXIT_X86_WRMSR 30 268 #define KVM_EXIT_DIRTY_RING_FULL 31 269 #define KVM_EXIT_AP_RESET_HOLD 32 270 #define KVM_EXIT_X86_BUS_LOCK 33 271 #define KVM_EXIT_XEN 34 272 #define KVM_EXIT_RISCV_SBI 35 273 274 /* For KVM_EXIT_INTERNAL_ERROR */ 275 /* Emulate instruction failed. */ 276 #define KVM_INTERNAL_ERROR_EMULATION 1 277 /* Encounter unexpected simultaneous exceptions. */ 278 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 279 /* Encounter unexpected vm-exit due to delivery event. */ 280 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 281 /* Encounter unexpected vm-exit reason */ 282 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 283 284 /* Flags that describe what fields in emulation_failure hold valid data. */ 285 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 286 287 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 288 struct kvm_run { 289 /* in */ 290 __u8 request_interrupt_window; 291 __u8 immediate_exit; 292 __u8 padding1[6]; 293 294 /* out */ 295 __u32 exit_reason; 296 __u8 ready_for_interrupt_injection; 297 __u8 if_flag; 298 __u16 flags; 299 300 /* in (pre_kvm_run), out (post_kvm_run) */ 301 __u64 cr8; 302 __u64 apic_base; 303 304 #ifdef __KVM_S390 305 /* the processor status word for s390 */ 306 __u64 psw_mask; /* psw upper half */ 307 __u64 psw_addr; /* psw lower half */ 308 #endif 309 union { 310 /* KVM_EXIT_UNKNOWN */ 311 struct { 312 __u64 hardware_exit_reason; 313 } hw; 314 /* KVM_EXIT_FAIL_ENTRY */ 315 struct { 316 __u64 hardware_entry_failure_reason; 317 __u32 cpu; 318 } fail_entry; 319 /* KVM_EXIT_EXCEPTION */ 320 struct { 321 __u32 exception; 322 __u32 error_code; 323 } ex; 324 /* KVM_EXIT_IO */ 325 struct { 326 #define KVM_EXIT_IO_IN 0 327 #define KVM_EXIT_IO_OUT 1 328 __u8 direction; 329 __u8 size; /* bytes */ 330 __u16 port; 331 __u32 count; 332 __u64 data_offset; /* relative to kvm_run start */ 333 } io; 334 /* KVM_EXIT_DEBUG */ 335 struct { 336 struct kvm_debug_exit_arch arch; 337 } debug; 338 /* KVM_EXIT_MMIO */ 339 struct { 340 __u64 phys_addr; 341 __u8 data[8]; 342 __u32 len; 343 __u8 is_write; 344 } mmio; 345 /* KVM_EXIT_HYPERCALL */ 346 struct { 347 __u64 nr; 348 __u64 args[6]; 349 __u64 ret; 350 __u32 longmode; 351 __u32 pad; 352 } hypercall; 353 /* KVM_EXIT_TPR_ACCESS */ 354 struct { 355 __u64 rip; 356 __u32 is_write; 357 __u32 pad; 358 } tpr_access; 359 /* KVM_EXIT_S390_SIEIC */ 360 struct { 361 __u8 icptcode; 362 __u16 ipa; 363 __u32 ipb; 364 } s390_sieic; 365 /* KVM_EXIT_S390_RESET */ 366 #define KVM_S390_RESET_POR 1 367 #define KVM_S390_RESET_CLEAR 2 368 #define KVM_S390_RESET_SUBSYSTEM 4 369 #define KVM_S390_RESET_CPU_INIT 8 370 #define KVM_S390_RESET_IPL 16 371 __u64 s390_reset_flags; 372 /* KVM_EXIT_S390_UCONTROL */ 373 struct { 374 __u64 trans_exc_code; 375 __u32 pgm_code; 376 } s390_ucontrol; 377 /* KVM_EXIT_DCR (deprecated) */ 378 struct { 379 __u32 dcrn; 380 __u32 data; 381 __u8 is_write; 382 } dcr; 383 /* KVM_EXIT_INTERNAL_ERROR */ 384 struct { 385 __u32 suberror; 386 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 387 __u32 ndata; 388 __u64 data[16]; 389 } internal; 390 /* 391 * KVM_INTERNAL_ERROR_EMULATION 392 * 393 * "struct emulation_failure" is an overlay of "struct internal" 394 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 395 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 396 * sub-types, this struct is ABI! It also needs to be backwards 397 * compatible with "struct internal". Take special care that 398 * "ndata" is correct, that new fields are enumerated in "flags", 399 * and that each flag enumerates fields that are 64-bit aligned 400 * and sized (so that ndata+internal.data[] is valid/accurate). 401 * 402 * Space beyond the defined fields may be used to store arbitrary 403 * debug information relating to the emulation failure. It is 404 * accounted for in "ndata" but the format is unspecified and is 405 * not represented in "flags". Any such information is *not* ABI! 406 */ 407 struct { 408 __u32 suberror; 409 __u32 ndata; 410 __u64 flags; 411 union { 412 struct { 413 __u8 insn_size; 414 __u8 insn_bytes[15]; 415 }; 416 }; 417 /* Arbitrary debug data may follow. */ 418 } emulation_failure; 419 /* KVM_EXIT_OSI */ 420 struct { 421 __u64 gprs[32]; 422 } osi; 423 /* KVM_EXIT_PAPR_HCALL */ 424 struct { 425 __u64 nr; 426 __u64 ret; 427 __u64 args[9]; 428 } papr_hcall; 429 /* KVM_EXIT_S390_TSCH */ 430 struct { 431 __u16 subchannel_id; 432 __u16 subchannel_nr; 433 __u32 io_int_parm; 434 __u32 io_int_word; 435 __u32 ipb; 436 __u8 dequeued; 437 } s390_tsch; 438 /* KVM_EXIT_EPR */ 439 struct { 440 __u32 epr; 441 } epr; 442 /* KVM_EXIT_SYSTEM_EVENT */ 443 struct { 444 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 445 #define KVM_SYSTEM_EVENT_RESET 2 446 #define KVM_SYSTEM_EVENT_CRASH 3 447 #define KVM_SYSTEM_EVENT_WAKEUP 4 448 #define KVM_SYSTEM_EVENT_SUSPEND 5 449 #define KVM_SYSTEM_EVENT_SEV_TERM 6 450 __u32 type; 451 __u32 ndata; 452 union { 453 #ifndef __KERNEL__ 454 __u64 flags; 455 #endif 456 __u64 data[16]; 457 }; 458 } system_event; 459 /* KVM_EXIT_S390_STSI */ 460 struct { 461 __u64 addr; 462 __u8 ar; 463 __u8 reserved; 464 __u8 fc; 465 __u8 sel1; 466 __u16 sel2; 467 } s390_stsi; 468 /* KVM_EXIT_IOAPIC_EOI */ 469 struct { 470 __u8 vector; 471 } eoi; 472 /* KVM_EXIT_HYPERV */ 473 struct kvm_hyperv_exit hyperv; 474 /* KVM_EXIT_ARM_NISV */ 475 struct { 476 __u64 esr_iss; 477 __u64 fault_ipa; 478 } arm_nisv; 479 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 480 struct { 481 __u8 error; /* user -> kernel */ 482 __u8 pad[7]; 483 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 484 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 485 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 486 __u32 reason; /* kernel -> user */ 487 __u32 index; /* kernel -> user */ 488 __u64 data; /* kernel <-> user */ 489 } msr; 490 /* KVM_EXIT_XEN */ 491 struct kvm_xen_exit xen; 492 /* KVM_EXIT_RISCV_SBI */ 493 struct { 494 unsigned long extension_id; 495 unsigned long function_id; 496 unsigned long args[6]; 497 unsigned long ret[2]; 498 } riscv_sbi; 499 /* Fix the size of the union. */ 500 char padding[256]; 501 }; 502 503 /* 2048 is the size of the char array used to bound/pad the size 504 * of the union that holds sync regs. 505 */ 506 #define SYNC_REGS_SIZE_BYTES 2048 507 /* 508 * shared registers between kvm and userspace. 509 * kvm_valid_regs specifies the register classes set by the host 510 * kvm_dirty_regs specified the register classes dirtied by userspace 511 * struct kvm_sync_regs is architecture specific, as well as the 512 * bits for kvm_valid_regs and kvm_dirty_regs 513 */ 514 __u64 kvm_valid_regs; 515 __u64 kvm_dirty_regs; 516 union { 517 struct kvm_sync_regs regs; 518 char padding[SYNC_REGS_SIZE_BYTES]; 519 } s; 520 }; 521 522 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 523 524 struct kvm_coalesced_mmio_zone { 525 __u64 addr; 526 __u32 size; 527 union { 528 __u32 pad; 529 __u32 pio; 530 }; 531 }; 532 533 struct kvm_coalesced_mmio { 534 __u64 phys_addr; 535 __u32 len; 536 union { 537 __u32 pad; 538 __u32 pio; 539 }; 540 __u8 data[8]; 541 }; 542 543 struct kvm_coalesced_mmio_ring { 544 __u32 first, last; 545 struct kvm_coalesced_mmio coalesced_mmio[0]; 546 }; 547 548 #define KVM_COALESCED_MMIO_MAX \ 549 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 550 sizeof(struct kvm_coalesced_mmio)) 551 552 /* for KVM_TRANSLATE */ 553 struct kvm_translation { 554 /* in */ 555 __u64 linear_address; 556 557 /* out */ 558 __u64 physical_address; 559 __u8 valid; 560 __u8 writeable; 561 __u8 usermode; 562 __u8 pad[5]; 563 }; 564 565 /* for KVM_S390_MEM_OP */ 566 struct kvm_s390_mem_op { 567 /* in */ 568 __u64 gaddr; /* the guest address */ 569 __u64 flags; /* flags */ 570 __u32 size; /* amount of bytes */ 571 __u32 op; /* type of operation */ 572 __u64 buf; /* buffer in userspace */ 573 union { 574 struct { 575 __u8 ar; /* the access register number */ 576 __u8 key; /* access key, ignored if flag unset */ 577 }; 578 __u32 sida_offset; /* offset into the sida */ 579 __u8 reserved[32]; /* ignored */ 580 }; 581 }; 582 /* types for kvm_s390_mem_op->op */ 583 #define KVM_S390_MEMOP_LOGICAL_READ 0 584 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 585 #define KVM_S390_MEMOP_SIDA_READ 2 586 #define KVM_S390_MEMOP_SIDA_WRITE 3 587 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 588 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 589 /* flags for kvm_s390_mem_op->flags */ 590 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 591 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 592 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) 593 594 /* for KVM_INTERRUPT */ 595 struct kvm_interrupt { 596 /* in */ 597 __u32 irq; 598 }; 599 600 /* for KVM_GET_DIRTY_LOG */ 601 struct kvm_dirty_log { 602 __u32 slot; 603 __u32 padding1; 604 union { 605 void __user *dirty_bitmap; /* one bit per page */ 606 __u64 padding2; 607 }; 608 }; 609 610 /* for KVM_CLEAR_DIRTY_LOG */ 611 struct kvm_clear_dirty_log { 612 __u32 slot; 613 __u32 num_pages; 614 __u64 first_page; 615 union { 616 void __user *dirty_bitmap; /* one bit per page */ 617 __u64 padding2; 618 }; 619 }; 620 621 /* for KVM_SET_SIGNAL_MASK */ 622 struct kvm_signal_mask { 623 __u32 len; 624 __u8 sigset[0]; 625 }; 626 627 /* for KVM_TPR_ACCESS_REPORTING */ 628 struct kvm_tpr_access_ctl { 629 __u32 enabled; 630 __u32 flags; 631 __u32 reserved[8]; 632 }; 633 634 /* for KVM_SET_VAPIC_ADDR */ 635 struct kvm_vapic_addr { 636 __u64 vapic_addr; 637 }; 638 639 /* for KVM_SET_MP_STATE */ 640 641 /* not all states are valid on all architectures */ 642 #define KVM_MP_STATE_RUNNABLE 0 643 #define KVM_MP_STATE_UNINITIALIZED 1 644 #define KVM_MP_STATE_INIT_RECEIVED 2 645 #define KVM_MP_STATE_HALTED 3 646 #define KVM_MP_STATE_SIPI_RECEIVED 4 647 #define KVM_MP_STATE_STOPPED 5 648 #define KVM_MP_STATE_CHECK_STOP 6 649 #define KVM_MP_STATE_OPERATING 7 650 #define KVM_MP_STATE_LOAD 8 651 #define KVM_MP_STATE_AP_RESET_HOLD 9 652 #define KVM_MP_STATE_SUSPENDED 10 653 654 struct kvm_mp_state { 655 __u32 mp_state; 656 }; 657 658 struct kvm_s390_psw { 659 __u64 mask; 660 __u64 addr; 661 }; 662 663 /* valid values for type in kvm_s390_interrupt */ 664 #define KVM_S390_SIGP_STOP 0xfffe0000u 665 #define KVM_S390_PROGRAM_INT 0xfffe0001u 666 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 667 #define KVM_S390_RESTART 0xfffe0003u 668 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 669 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 670 #define KVM_S390_MCHK 0xfffe1000u 671 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 672 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 673 #define KVM_S390_INT_VIRTIO 0xffff2603u 674 #define KVM_S390_INT_SERVICE 0xffff2401u 675 #define KVM_S390_INT_EMERGENCY 0xffff1201u 676 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 677 /* Anything below 0xfffe0000u is taken by INT_IO */ 678 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 679 (((schid)) | \ 680 ((ssid) << 16) | \ 681 ((cssid) << 18) | \ 682 ((ai) << 26)) 683 #define KVM_S390_INT_IO_MIN 0x00000000u 684 #define KVM_S390_INT_IO_MAX 0xfffdffffu 685 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 686 687 688 struct kvm_s390_interrupt { 689 __u32 type; 690 __u32 parm; 691 __u64 parm64; 692 }; 693 694 struct kvm_s390_io_info { 695 __u16 subchannel_id; 696 __u16 subchannel_nr; 697 __u32 io_int_parm; 698 __u32 io_int_word; 699 }; 700 701 struct kvm_s390_ext_info { 702 __u32 ext_params; 703 __u32 pad; 704 __u64 ext_params2; 705 }; 706 707 struct kvm_s390_pgm_info { 708 __u64 trans_exc_code; 709 __u64 mon_code; 710 __u64 per_address; 711 __u32 data_exc_code; 712 __u16 code; 713 __u16 mon_class_nr; 714 __u8 per_code; 715 __u8 per_atmid; 716 __u8 exc_access_id; 717 __u8 per_access_id; 718 __u8 op_access_id; 719 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 720 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 721 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 722 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 723 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 724 __u8 flags; 725 __u8 pad[2]; 726 }; 727 728 struct kvm_s390_prefix_info { 729 __u32 address; 730 }; 731 732 struct kvm_s390_extcall_info { 733 __u16 code; 734 }; 735 736 struct kvm_s390_emerg_info { 737 __u16 code; 738 }; 739 740 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 741 struct kvm_s390_stop_info { 742 __u32 flags; 743 }; 744 745 struct kvm_s390_mchk_info { 746 __u64 cr14; 747 __u64 mcic; 748 __u64 failing_storage_address; 749 __u32 ext_damage_code; 750 __u32 pad; 751 __u8 fixed_logout[16]; 752 }; 753 754 struct kvm_s390_irq { 755 __u64 type; 756 union { 757 struct kvm_s390_io_info io; 758 struct kvm_s390_ext_info ext; 759 struct kvm_s390_pgm_info pgm; 760 struct kvm_s390_emerg_info emerg; 761 struct kvm_s390_extcall_info extcall; 762 struct kvm_s390_prefix_info prefix; 763 struct kvm_s390_stop_info stop; 764 struct kvm_s390_mchk_info mchk; 765 char reserved[64]; 766 } u; 767 }; 768 769 struct kvm_s390_irq_state { 770 __u64 buf; 771 __u32 flags; /* will stay unused for compatibility reasons */ 772 __u32 len; 773 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 774 }; 775 776 /* for KVM_SET_GUEST_DEBUG */ 777 778 #define KVM_GUESTDBG_ENABLE 0x00000001 779 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 780 781 struct kvm_guest_debug { 782 __u32 control; 783 __u32 pad; 784 struct kvm_guest_debug_arch arch; 785 }; 786 787 enum { 788 kvm_ioeventfd_flag_nr_datamatch, 789 kvm_ioeventfd_flag_nr_pio, 790 kvm_ioeventfd_flag_nr_deassign, 791 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 792 kvm_ioeventfd_flag_nr_fast_mmio, 793 kvm_ioeventfd_flag_nr_max, 794 }; 795 796 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 797 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 798 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 799 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 800 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 801 802 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 803 804 struct kvm_ioeventfd { 805 __u64 datamatch; 806 __u64 addr; /* legal pio/mmio address */ 807 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 808 __s32 fd; 809 __u32 flags; 810 __u8 pad[36]; 811 }; 812 813 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 814 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 815 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 816 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 817 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 818 KVM_X86_DISABLE_EXITS_HLT | \ 819 KVM_X86_DISABLE_EXITS_PAUSE | \ 820 KVM_X86_DISABLE_EXITS_CSTATE) 821 822 /* for KVM_ENABLE_CAP */ 823 struct kvm_enable_cap { 824 /* in */ 825 __u32 cap; 826 __u32 flags; 827 __u64 args[4]; 828 __u8 pad[64]; 829 }; 830 831 /* for KVM_PPC_GET_PVINFO */ 832 833 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 834 835 struct kvm_ppc_pvinfo { 836 /* out */ 837 __u32 flags; 838 __u32 hcall[4]; 839 __u8 pad[108]; 840 }; 841 842 /* for KVM_PPC_GET_SMMU_INFO */ 843 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 844 845 struct kvm_ppc_one_page_size { 846 __u32 page_shift; /* Page shift (or 0) */ 847 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 848 }; 849 850 struct kvm_ppc_one_seg_page_size { 851 __u32 page_shift; /* Base page shift of segment (or 0) */ 852 __u32 slb_enc; /* SLB encoding for BookS */ 853 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 854 }; 855 856 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 857 #define KVM_PPC_1T_SEGMENTS 0x00000002 858 #define KVM_PPC_NO_HASH 0x00000004 859 860 struct kvm_ppc_smmu_info { 861 __u64 flags; 862 __u32 slb_size; 863 __u16 data_keys; /* # storage keys supported for data */ 864 __u16 instr_keys; /* # storage keys supported for instructions */ 865 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 866 }; 867 868 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 869 struct kvm_ppc_resize_hpt { 870 __u64 flags; 871 __u32 shift; 872 __u32 pad; 873 }; 874 875 #define KVMIO 0xAE 876 877 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 878 #define KVM_VM_S390_UCONTROL 1 879 880 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 881 #define KVM_VM_PPC_HV 1 882 #define KVM_VM_PPC_PR 2 883 884 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 885 #define KVM_VM_MIPS_AUTO 0 886 #define KVM_VM_MIPS_VZ 1 887 #define KVM_VM_MIPS_TE 2 888 889 #define KVM_S390_SIE_PAGE_OFFSET 1 890 891 /* 892 * On arm64, machine type can be used to request the physical 893 * address size for the VM. Bits[7-0] are reserved for the guest 894 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 895 * value 0 implies the default IPA size, 40bits. 896 */ 897 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 898 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 899 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 900 /* 901 * ioctls for /dev/kvm fds: 902 */ 903 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 904 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 905 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 906 907 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 908 /* 909 * Check if a kvm extension is available. Argument is extension number, 910 * return is 1 (yes) or 0 (no, sorry). 911 */ 912 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 913 /* 914 * Get size for mmap(vcpu_fd) 915 */ 916 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 917 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 918 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 919 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 920 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 921 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 922 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 923 924 /* 925 * Extension capability list. 926 */ 927 #define KVM_CAP_IRQCHIP 0 928 #define KVM_CAP_HLT 1 929 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 930 #define KVM_CAP_USER_MEMORY 3 931 #define KVM_CAP_SET_TSS_ADDR 4 932 #define KVM_CAP_VAPIC 6 933 #define KVM_CAP_EXT_CPUID 7 934 #define KVM_CAP_CLOCKSOURCE 8 935 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 936 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 937 #define KVM_CAP_PIT 11 938 #define KVM_CAP_NOP_IO_DELAY 12 939 #define KVM_CAP_PV_MMU 13 940 #define KVM_CAP_MP_STATE 14 941 #define KVM_CAP_COALESCED_MMIO 15 942 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 943 #define KVM_CAP_IOMMU 18 944 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 945 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 946 #define KVM_CAP_USER_NMI 22 947 #ifdef __KVM_HAVE_GUEST_DEBUG 948 #define KVM_CAP_SET_GUEST_DEBUG 23 949 #endif 950 #ifdef __KVM_HAVE_PIT 951 #define KVM_CAP_REINJECT_CONTROL 24 952 #endif 953 #define KVM_CAP_IRQ_ROUTING 25 954 #define KVM_CAP_IRQ_INJECT_STATUS 26 955 #define KVM_CAP_ASSIGN_DEV_IRQ 29 956 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 957 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 958 #ifdef __KVM_HAVE_MCE 959 #define KVM_CAP_MCE 31 960 #endif 961 #define KVM_CAP_IRQFD 32 962 #ifdef __KVM_HAVE_PIT 963 #define KVM_CAP_PIT2 33 964 #endif 965 #define KVM_CAP_SET_BOOT_CPU_ID 34 966 #ifdef __KVM_HAVE_PIT_STATE2 967 #define KVM_CAP_PIT_STATE2 35 968 #endif 969 #define KVM_CAP_IOEVENTFD 36 970 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 971 #ifdef __KVM_HAVE_XEN_HVM 972 #define KVM_CAP_XEN_HVM 38 973 #endif 974 #define KVM_CAP_ADJUST_CLOCK 39 975 #define KVM_CAP_INTERNAL_ERROR_DATA 40 976 #ifdef __KVM_HAVE_VCPU_EVENTS 977 #define KVM_CAP_VCPU_EVENTS 41 978 #endif 979 #define KVM_CAP_S390_PSW 42 980 #define KVM_CAP_PPC_SEGSTATE 43 981 #define KVM_CAP_HYPERV 44 982 #define KVM_CAP_HYPERV_VAPIC 45 983 #define KVM_CAP_HYPERV_SPIN 46 984 #define KVM_CAP_PCI_SEGMENT 47 985 #define KVM_CAP_PPC_PAIRED_SINGLES 48 986 #define KVM_CAP_INTR_SHADOW 49 987 #ifdef __KVM_HAVE_DEBUGREGS 988 #define KVM_CAP_DEBUGREGS 50 989 #endif 990 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 991 #define KVM_CAP_PPC_OSI 52 992 #define KVM_CAP_PPC_UNSET_IRQ 53 993 #define KVM_CAP_ENABLE_CAP 54 994 #ifdef __KVM_HAVE_XSAVE 995 #define KVM_CAP_XSAVE 55 996 #endif 997 #ifdef __KVM_HAVE_XCRS 998 #define KVM_CAP_XCRS 56 999 #endif 1000 #define KVM_CAP_PPC_GET_PVINFO 57 1001 #define KVM_CAP_PPC_IRQ_LEVEL 58 1002 #define KVM_CAP_ASYNC_PF 59 1003 #define KVM_CAP_TSC_CONTROL 60 1004 #define KVM_CAP_GET_TSC_KHZ 61 1005 #define KVM_CAP_PPC_BOOKE_SREGS 62 1006 #define KVM_CAP_SPAPR_TCE 63 1007 #define KVM_CAP_PPC_SMT 64 1008 #define KVM_CAP_PPC_RMA 65 1009 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 1010 #define KVM_CAP_PPC_HIOR 67 1011 #define KVM_CAP_PPC_PAPR 68 1012 #define KVM_CAP_SW_TLB 69 1013 #define KVM_CAP_ONE_REG 70 1014 #define KVM_CAP_S390_GMAP 71 1015 #define KVM_CAP_TSC_DEADLINE_TIMER 72 1016 #define KVM_CAP_S390_UCONTROL 73 1017 #define KVM_CAP_SYNC_REGS 74 1018 #define KVM_CAP_PCI_2_3 75 1019 #define KVM_CAP_KVMCLOCK_CTRL 76 1020 #define KVM_CAP_SIGNAL_MSI 77 1021 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1022 #define KVM_CAP_S390_COW 79 1023 #define KVM_CAP_PPC_ALLOC_HTAB 80 1024 #define KVM_CAP_READONLY_MEM 81 1025 #define KVM_CAP_IRQFD_RESAMPLE 82 1026 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1027 #define KVM_CAP_PPC_HTAB_FD 84 1028 #define KVM_CAP_S390_CSS_SUPPORT 85 1029 #define KVM_CAP_PPC_EPR 86 1030 #define KVM_CAP_ARM_PSCI 87 1031 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1032 #define KVM_CAP_DEVICE_CTRL 89 1033 #define KVM_CAP_IRQ_MPIC 90 1034 #define KVM_CAP_PPC_RTAS 91 1035 #define KVM_CAP_IRQ_XICS 92 1036 #define KVM_CAP_ARM_EL1_32BIT 93 1037 #define KVM_CAP_SPAPR_MULTITCE 94 1038 #define KVM_CAP_EXT_EMUL_CPUID 95 1039 #define KVM_CAP_HYPERV_TIME 96 1040 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1041 #define KVM_CAP_ENABLE_CAP_VM 98 1042 #define KVM_CAP_S390_IRQCHIP 99 1043 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1044 #define KVM_CAP_VM_ATTRIBUTES 101 1045 #define KVM_CAP_ARM_PSCI_0_2 102 1046 #define KVM_CAP_PPC_FIXUP_HCALL 103 1047 #define KVM_CAP_PPC_ENABLE_HCALL 104 1048 #define KVM_CAP_CHECK_EXTENSION_VM 105 1049 #define KVM_CAP_S390_USER_SIGP 106 1050 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1051 #define KVM_CAP_S390_MEM_OP 108 1052 #define KVM_CAP_S390_USER_STSI 109 1053 #define KVM_CAP_S390_SKEYS 110 1054 #define KVM_CAP_MIPS_FPU 111 1055 #define KVM_CAP_MIPS_MSA 112 1056 #define KVM_CAP_S390_INJECT_IRQ 113 1057 #define KVM_CAP_S390_IRQ_STATE 114 1058 #define KVM_CAP_PPC_HWRNG 115 1059 #define KVM_CAP_DISABLE_QUIRKS 116 1060 #define KVM_CAP_X86_SMM 117 1061 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1062 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1063 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1064 #define KVM_CAP_SPLIT_IRQCHIP 121 1065 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1066 #define KVM_CAP_HYPERV_SYNIC 123 1067 #define KVM_CAP_S390_RI 124 1068 #define KVM_CAP_SPAPR_TCE_64 125 1069 #define KVM_CAP_ARM_PMU_V3 126 1070 #define KVM_CAP_VCPU_ATTRIBUTES 127 1071 #define KVM_CAP_MAX_VCPU_ID 128 1072 #define KVM_CAP_X2APIC_API 129 1073 #define KVM_CAP_S390_USER_INSTR0 130 1074 #define KVM_CAP_MSI_DEVID 131 1075 #define KVM_CAP_PPC_HTM 132 1076 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1077 #define KVM_CAP_PPC_MMU_RADIX 134 1078 #define KVM_CAP_PPC_MMU_HASH_V3 135 1079 #define KVM_CAP_IMMEDIATE_EXIT 136 1080 #define KVM_CAP_MIPS_VZ 137 1081 #define KVM_CAP_MIPS_TE 138 1082 #define KVM_CAP_MIPS_64BIT 139 1083 #define KVM_CAP_S390_GS 140 1084 #define KVM_CAP_S390_AIS 141 1085 #define KVM_CAP_SPAPR_TCE_VFIO 142 1086 #define KVM_CAP_X86_DISABLE_EXITS 143 1087 #define KVM_CAP_ARM_USER_IRQ 144 1088 #define KVM_CAP_S390_CMMA_MIGRATION 145 1089 #define KVM_CAP_PPC_FWNMI 146 1090 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1091 #define KVM_CAP_HYPERV_SYNIC2 148 1092 #define KVM_CAP_HYPERV_VP_INDEX 149 1093 #define KVM_CAP_S390_AIS_MIGRATION 150 1094 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1095 #define KVM_CAP_S390_BPB 152 1096 #define KVM_CAP_GET_MSR_FEATURES 153 1097 #define KVM_CAP_HYPERV_EVENTFD 154 1098 #define KVM_CAP_HYPERV_TLBFLUSH 155 1099 #define KVM_CAP_S390_HPAGE_1M 156 1100 #define KVM_CAP_NESTED_STATE 157 1101 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1102 #define KVM_CAP_MSR_PLATFORM_INFO 159 1103 #define KVM_CAP_PPC_NESTED_HV 160 1104 #define KVM_CAP_HYPERV_SEND_IPI 161 1105 #define KVM_CAP_COALESCED_PIO 162 1106 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1107 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1108 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1109 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1110 #define KVM_CAP_HYPERV_CPUID 167 1111 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1112 #define KVM_CAP_PPC_IRQ_XIVE 169 1113 #define KVM_CAP_ARM_SVE 170 1114 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1115 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1116 #define KVM_CAP_PMU_EVENT_FILTER 173 1117 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1118 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1119 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1120 #define KVM_CAP_ARM_NISV_TO_USER 177 1121 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1122 #define KVM_CAP_S390_VCPU_RESETS 179 1123 #define KVM_CAP_S390_PROTECTED 180 1124 #define KVM_CAP_PPC_SECURE_GUEST 181 1125 #define KVM_CAP_HALT_POLL 182 1126 #define KVM_CAP_ASYNC_PF_INT 183 1127 #define KVM_CAP_LAST_CPU 184 1128 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1129 #define KVM_CAP_S390_DIAG318 186 1130 #define KVM_CAP_STEAL_TIME 187 1131 #define KVM_CAP_X86_USER_SPACE_MSR 188 1132 #define KVM_CAP_X86_MSR_FILTER 189 1133 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1134 #define KVM_CAP_SYS_HYPERV_CPUID 191 1135 #define KVM_CAP_DIRTY_LOG_RING 192 1136 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1137 #define KVM_CAP_PPC_DAWR1 194 1138 #define KVM_CAP_SET_GUEST_DEBUG2 195 1139 #define KVM_CAP_SGX_ATTRIBUTE 196 1140 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1141 #define KVM_CAP_PTP_KVM 198 1142 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1143 #define KVM_CAP_SREGS2 200 1144 #define KVM_CAP_EXIT_HYPERCALL 201 1145 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1146 #define KVM_CAP_BINARY_STATS_FD 203 1147 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1148 #define KVM_CAP_ARM_MTE 205 1149 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1150 #define KVM_CAP_VM_GPA_BITS 207 1151 #define KVM_CAP_XSAVE2 208 1152 #define KVM_CAP_SYS_ATTRIBUTES 209 1153 #define KVM_CAP_PPC_AIL_MODE_3 210 1154 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1155 #define KVM_CAP_PMU_CAPABILITY 212 1156 #define KVM_CAP_DISABLE_QUIRKS2 213 1157 #define KVM_CAP_VM_TSC_CONTROL 214 1158 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1159 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1160 1161 #ifdef KVM_CAP_IRQ_ROUTING 1162 1163 struct kvm_irq_routing_irqchip { 1164 __u32 irqchip; 1165 __u32 pin; 1166 }; 1167 1168 struct kvm_irq_routing_msi { 1169 __u32 address_lo; 1170 __u32 address_hi; 1171 __u32 data; 1172 union { 1173 __u32 pad; 1174 __u32 devid; 1175 }; 1176 }; 1177 1178 struct kvm_irq_routing_s390_adapter { 1179 __u64 ind_addr; 1180 __u64 summary_addr; 1181 __u64 ind_offset; 1182 __u32 summary_offset; 1183 __u32 adapter_id; 1184 }; 1185 1186 struct kvm_irq_routing_hv_sint { 1187 __u32 vcpu; 1188 __u32 sint; 1189 }; 1190 1191 struct kvm_irq_routing_xen_evtchn { 1192 __u32 port; 1193 __u32 vcpu; 1194 __u32 priority; 1195 }; 1196 1197 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1198 1199 /* gsi routing entry types */ 1200 #define KVM_IRQ_ROUTING_IRQCHIP 1 1201 #define KVM_IRQ_ROUTING_MSI 2 1202 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1203 #define KVM_IRQ_ROUTING_HV_SINT 4 1204 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1205 1206 struct kvm_irq_routing_entry { 1207 __u32 gsi; 1208 __u32 type; 1209 __u32 flags; 1210 __u32 pad; 1211 union { 1212 struct kvm_irq_routing_irqchip irqchip; 1213 struct kvm_irq_routing_msi msi; 1214 struct kvm_irq_routing_s390_adapter adapter; 1215 struct kvm_irq_routing_hv_sint hv_sint; 1216 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1217 __u32 pad[8]; 1218 } u; 1219 }; 1220 1221 struct kvm_irq_routing { 1222 __u32 nr; 1223 __u32 flags; 1224 struct kvm_irq_routing_entry entries[0]; 1225 }; 1226 1227 #endif 1228 1229 #ifdef KVM_CAP_MCE 1230 /* x86 MCE */ 1231 struct kvm_x86_mce { 1232 __u64 status; 1233 __u64 addr; 1234 __u64 misc; 1235 __u64 mcg_status; 1236 __u8 bank; 1237 __u8 pad1[7]; 1238 __u64 pad2[3]; 1239 }; 1240 #endif 1241 1242 #ifdef KVM_CAP_XEN_HVM 1243 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1244 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1245 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1246 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1247 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1248 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1249 1250 struct 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 1271 struct 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 1286 struct 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 1300 struct kvm_config_tlb { 1301 __u64 params; 1302 __u64 array; 1303 __u32 mmu_type; 1304 __u32 array_len; 1305 }; 1306 1307 struct 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 1330 #define KVM_REG_SIZE_SHIFT 52 1331 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1332 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1333 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1334 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1335 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1336 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1337 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1338 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1339 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1340 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1341 1342 struct kvm_reg_list { 1343 __u64 n; /* number of regs */ 1344 __u64 reg[0]; 1345 }; 1346 1347 struct kvm_one_reg { 1348 __u64 id; 1349 __u64 addr; 1350 }; 1351 1352 #define KVM_MSI_VALID_DEVID (1U << 0) 1353 struct kvm_msi { 1354 __u32 address_lo; 1355 __u32 address_hi; 1356 __u32 data; 1357 __u32 flags; 1358 __u32 devid; 1359 __u8 pad[12]; 1360 }; 1361 1362 struct kvm_arm_device_addr { 1363 __u64 id; 1364 __u64 addr; 1365 }; 1366 1367 /* 1368 * Device control API, available with KVM_CAP_DEVICE_CTRL 1369 */ 1370 #define KVM_CREATE_DEVICE_TEST 1 1371 1372 struct kvm_create_device { 1373 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1374 __u32 fd; /* out: device handle */ 1375 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1376 }; 1377 1378 struct kvm_device_attr { 1379 __u32 flags; /* no flags currently defined */ 1380 __u32 group; /* device-defined */ 1381 __u64 attr; /* group-defined */ 1382 __u64 addr; /* userspace address of attr data */ 1383 }; 1384 1385 #define KVM_DEV_VFIO_GROUP 1 1386 #define KVM_DEV_VFIO_GROUP_ADD 1 1387 #define KVM_DEV_VFIO_GROUP_DEL 2 1388 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1389 1390 enum kvm_device_type { 1391 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1392 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1393 KVM_DEV_TYPE_FSL_MPIC_42, 1394 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1395 KVM_DEV_TYPE_XICS, 1396 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1397 KVM_DEV_TYPE_VFIO, 1398 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1399 KVM_DEV_TYPE_ARM_VGIC_V2, 1400 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1401 KVM_DEV_TYPE_FLIC, 1402 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1403 KVM_DEV_TYPE_ARM_VGIC_V3, 1404 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1405 KVM_DEV_TYPE_ARM_VGIC_ITS, 1406 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1407 KVM_DEV_TYPE_XIVE, 1408 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1409 KVM_DEV_TYPE_ARM_PV_TIME, 1410 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1411 KVM_DEV_TYPE_MAX, 1412 }; 1413 1414 struct kvm_vfio_spapr_tce { 1415 __s32 groupfd; 1416 __s32 tablefd; 1417 }; 1418 1419 /* 1420 * ioctls for VM fds 1421 */ 1422 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1423 /* 1424 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1425 * a vcpu fd. 1426 */ 1427 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1428 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1429 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1430 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1431 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1432 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 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 1438 /* enable ucontrol for s390 */ 1439 struct kvm_s390_ucas_mapping { 1440 __u64 user_addr; 1441 __u64 vcpu_addr; 1442 __u64 length; 1443 }; 1444 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1445 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1446 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1447 1448 /* Device model IOC */ 1449 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1450 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1451 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1452 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1453 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1454 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1455 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1456 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1457 #define KVM_REGISTER_COALESCED_MMIO \ 1458 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1459 #define KVM_UNREGISTER_COALESCED_MMIO \ 1460 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1461 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1462 struct kvm_assigned_pci_dev) 1463 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1464 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1465 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1466 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1467 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1468 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1469 struct kvm_assigned_pci_dev) 1470 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1471 struct kvm_assigned_msix_nr) 1472 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1473 struct kvm_assigned_msix_entry) 1474 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1475 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1476 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1477 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1478 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1479 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1480 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1481 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1482 /* Available with KVM_CAP_PIT_STATE2 */ 1483 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1484 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1485 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1486 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1487 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1488 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1489 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1490 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1491 /* Available with KVM_CAP_PCI_2_3 */ 1492 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1493 struct kvm_assigned_pci_dev) 1494 /* Available with KVM_CAP_SIGNAL_MSI */ 1495 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1496 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1497 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1498 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1499 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1500 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1501 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1502 struct kvm_create_spapr_tce_64) 1503 /* Available with KVM_CAP_RMA */ 1504 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1505 /* Available with KVM_CAP_PPC_HTAB_FD */ 1506 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1507 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1508 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1509 /* Available with KVM_CAP_PPC_RTAS */ 1510 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1511 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1512 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1513 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1514 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1515 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1516 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1517 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1518 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1519 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1520 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1521 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1522 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1523 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1524 1525 /* ioctl for vm fd */ 1526 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1527 1528 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1529 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1530 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1531 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1532 1533 /* 1534 * ioctls for vcpu fds 1535 */ 1536 #define KVM_RUN _IO(KVMIO, 0x80) 1537 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1538 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1539 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1540 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1541 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1542 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1543 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1544 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1545 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1546 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1547 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1548 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1549 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1550 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1551 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1552 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1553 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1554 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1555 /* Available with KVM_CAP_VAPIC */ 1556 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1557 /* Available with KVM_CAP_VAPIC */ 1558 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1559 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1560 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1561 /* store status for s390 */ 1562 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1563 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1564 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1565 /* initial ipl psw for s390 */ 1566 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1567 /* initial reset for s390 */ 1568 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1569 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1570 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1571 /* Available with KVM_CAP_USER_NMI */ 1572 #define KVM_NMI _IO(KVMIO, 0x9a) 1573 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1574 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1575 /* MCE for x86 */ 1576 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1577 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1578 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1579 /* Available with KVM_CAP_VCPU_EVENTS */ 1580 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1581 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1582 /* Available with KVM_CAP_DEBUGREGS */ 1583 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1584 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1585 /* 1586 * vcpu version available with KVM_ENABLE_CAP 1587 * vm version available with KVM_CAP_ENABLE_CAP_VM 1588 */ 1589 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1590 /* Available with KVM_CAP_XSAVE */ 1591 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1592 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1593 /* Available with KVM_CAP_XCRS */ 1594 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1595 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1596 /* Available with KVM_CAP_SW_TLB */ 1597 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1598 /* Available with KVM_CAP_ONE_REG */ 1599 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1600 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1601 /* VM is being stopped by host */ 1602 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1603 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1604 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1605 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1606 /* Available with KVM_CAP_S390_MEM_OP */ 1607 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1608 /* Available with KVM_CAP_S390_SKEYS */ 1609 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1610 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1611 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1612 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1613 /* Available with KVM_CAP_S390_IRQ_STATE */ 1614 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1615 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1616 /* Available with KVM_CAP_X86_SMM */ 1617 #define KVM_SMI _IO(KVMIO, 0xb7) 1618 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1619 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1620 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1621 /* Memory Encryption Commands */ 1622 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1623 1624 struct kvm_enc_region { 1625 __u64 addr; 1626 __u64 size; 1627 }; 1628 1629 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1630 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1631 1632 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1633 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1634 1635 /* Available with KVM_CAP_NESTED_STATE */ 1636 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1637 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1638 1639 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1640 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1641 1642 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1643 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1644 1645 /* Available with KVM_CAP_ARM_SVE */ 1646 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1647 1648 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1649 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1650 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1651 1652 struct kvm_s390_pv_sec_parm { 1653 __u64 origin; 1654 __u64 length; 1655 }; 1656 1657 struct kvm_s390_pv_unp { 1658 __u64 addr; 1659 __u64 size; 1660 __u64 tweak; 1661 }; 1662 1663 enum pv_cmd_id { 1664 KVM_PV_ENABLE, 1665 KVM_PV_DISABLE, 1666 KVM_PV_SET_SEC_PARMS, 1667 KVM_PV_UNPACK, 1668 KVM_PV_VERIFY, 1669 KVM_PV_PREP_RESET, 1670 KVM_PV_UNSHARE_ALL, 1671 }; 1672 1673 struct kvm_pv_cmd { 1674 __u32 cmd; /* Command to be executed */ 1675 __u16 rc; /* Ultravisor return code */ 1676 __u16 rrc; /* Ultravisor return reason code */ 1677 __u64 data; /* Data or address */ 1678 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1679 __u32 reserved[3]; 1680 }; 1681 1682 /* Available with KVM_CAP_S390_PROTECTED */ 1683 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1684 1685 /* Available with KVM_CAP_X86_MSR_FILTER */ 1686 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1687 1688 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1689 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1690 1691 /* Per-VM Xen attributes */ 1692 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1693 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1694 1695 struct kvm_xen_hvm_attr { 1696 __u16 type; 1697 __u16 pad[3]; 1698 union { 1699 __u8 long_mode; 1700 __u8 vector; 1701 struct { 1702 __u64 gfn; 1703 } shared_info; 1704 struct { 1705 __u32 send_port; 1706 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1707 __u32 flags; 1708 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1709 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1710 #define KVM_XEN_EVTCHN_RESET (1 << 2) 1711 /* 1712 * Events sent by the guest are either looped back to 1713 * the guest itself (potentially on a different port#) 1714 * or signalled via an eventfd. 1715 */ 1716 union { 1717 struct { 1718 __u32 port; 1719 __u32 vcpu; 1720 __u32 priority; 1721 } port; 1722 struct { 1723 __u32 port; /* Zero for eventfd */ 1724 __s32 fd; 1725 } eventfd; 1726 __u32 padding[4]; 1727 } deliver; 1728 } evtchn; 1729 __u32 xen_version; 1730 __u64 pad[8]; 1731 } u; 1732 }; 1733 1734 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1735 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1736 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1737 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1738 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1739 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1740 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1741 1742 /* Per-vCPU Xen attributes */ 1743 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1744 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1745 1746 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1747 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1748 1749 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1750 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1751 1752 struct kvm_xen_vcpu_attr { 1753 __u16 type; 1754 __u16 pad[3]; 1755 union { 1756 __u64 gpa; 1757 __u64 pad[8]; 1758 struct { 1759 __u64 state; 1760 __u64 state_entry_time; 1761 __u64 time_running; 1762 __u64 time_runnable; 1763 __u64 time_blocked; 1764 __u64 time_offline; 1765 } runstate; 1766 __u32 vcpu_id; 1767 struct { 1768 __u32 port; 1769 __u32 priority; 1770 __u64 expires_ns; 1771 } timer; 1772 __u8 vector; 1773 } u; 1774 }; 1775 1776 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1777 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1778 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1779 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1780 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1781 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1782 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1783 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1784 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1785 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1786 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1787 1788 /* Secure Encrypted Virtualization command */ 1789 enum sev_cmd_id { 1790 /* Guest initialization commands */ 1791 KVM_SEV_INIT = 0, 1792 KVM_SEV_ES_INIT, 1793 /* Guest launch commands */ 1794 KVM_SEV_LAUNCH_START, 1795 KVM_SEV_LAUNCH_UPDATE_DATA, 1796 KVM_SEV_LAUNCH_UPDATE_VMSA, 1797 KVM_SEV_LAUNCH_SECRET, 1798 KVM_SEV_LAUNCH_MEASURE, 1799 KVM_SEV_LAUNCH_FINISH, 1800 /* Guest migration commands (outgoing) */ 1801 KVM_SEV_SEND_START, 1802 KVM_SEV_SEND_UPDATE_DATA, 1803 KVM_SEV_SEND_UPDATE_VMSA, 1804 KVM_SEV_SEND_FINISH, 1805 /* Guest migration commands (incoming) */ 1806 KVM_SEV_RECEIVE_START, 1807 KVM_SEV_RECEIVE_UPDATE_DATA, 1808 KVM_SEV_RECEIVE_UPDATE_VMSA, 1809 KVM_SEV_RECEIVE_FINISH, 1810 /* Guest status and debug commands */ 1811 KVM_SEV_GUEST_STATUS, 1812 KVM_SEV_DBG_DECRYPT, 1813 KVM_SEV_DBG_ENCRYPT, 1814 /* Guest certificates commands */ 1815 KVM_SEV_CERT_EXPORT, 1816 /* Attestation report */ 1817 KVM_SEV_GET_ATTESTATION_REPORT, 1818 /* Guest Migration Extension */ 1819 KVM_SEV_SEND_CANCEL, 1820 1821 KVM_SEV_NR_MAX, 1822 }; 1823 1824 struct kvm_sev_cmd { 1825 __u32 id; 1826 __u64 data; 1827 __u32 error; 1828 __u32 sev_fd; 1829 }; 1830 1831 struct kvm_sev_launch_start { 1832 __u32 handle; 1833 __u32 policy; 1834 __u64 dh_uaddr; 1835 __u32 dh_len; 1836 __u64 session_uaddr; 1837 __u32 session_len; 1838 }; 1839 1840 struct kvm_sev_launch_update_data { 1841 __u64 uaddr; 1842 __u32 len; 1843 }; 1844 1845 1846 struct kvm_sev_launch_secret { 1847 __u64 hdr_uaddr; 1848 __u32 hdr_len; 1849 __u64 guest_uaddr; 1850 __u32 guest_len; 1851 __u64 trans_uaddr; 1852 __u32 trans_len; 1853 }; 1854 1855 struct kvm_sev_launch_measure { 1856 __u64 uaddr; 1857 __u32 len; 1858 }; 1859 1860 struct kvm_sev_guest_status { 1861 __u32 handle; 1862 __u32 policy; 1863 __u32 state; 1864 }; 1865 1866 struct kvm_sev_dbg { 1867 __u64 src_uaddr; 1868 __u64 dst_uaddr; 1869 __u32 len; 1870 }; 1871 1872 struct kvm_sev_attestation_report { 1873 __u8 mnonce[16]; 1874 __u64 uaddr; 1875 __u32 len; 1876 }; 1877 1878 struct kvm_sev_send_start { 1879 __u32 policy; 1880 __u64 pdh_cert_uaddr; 1881 __u32 pdh_cert_len; 1882 __u64 plat_certs_uaddr; 1883 __u32 plat_certs_len; 1884 __u64 amd_certs_uaddr; 1885 __u32 amd_certs_len; 1886 __u64 session_uaddr; 1887 __u32 session_len; 1888 }; 1889 1890 struct kvm_sev_send_update_data { 1891 __u64 hdr_uaddr; 1892 __u32 hdr_len; 1893 __u64 guest_uaddr; 1894 __u32 guest_len; 1895 __u64 trans_uaddr; 1896 __u32 trans_len; 1897 }; 1898 1899 struct kvm_sev_receive_start { 1900 __u32 handle; 1901 __u32 policy; 1902 __u64 pdh_uaddr; 1903 __u32 pdh_len; 1904 __u64 session_uaddr; 1905 __u32 session_len; 1906 }; 1907 1908 struct kvm_sev_receive_update_data { 1909 __u64 hdr_uaddr; 1910 __u32 hdr_len; 1911 __u64 guest_uaddr; 1912 __u32 guest_len; 1913 __u64 trans_uaddr; 1914 __u32 trans_len; 1915 }; 1916 1917 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1918 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1919 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1920 1921 struct kvm_assigned_pci_dev { 1922 __u32 assigned_dev_id; 1923 __u32 busnr; 1924 __u32 devfn; 1925 __u32 flags; 1926 __u32 segnr; 1927 union { 1928 __u32 reserved[11]; 1929 }; 1930 }; 1931 1932 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1933 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1934 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1935 1936 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1937 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1938 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1939 1940 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1941 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1942 1943 struct kvm_assigned_irq { 1944 __u32 assigned_dev_id; 1945 __u32 host_irq; /* ignored (legacy field) */ 1946 __u32 guest_irq; 1947 __u32 flags; 1948 union { 1949 __u32 reserved[12]; 1950 }; 1951 }; 1952 1953 struct kvm_assigned_msix_nr { 1954 __u32 assigned_dev_id; 1955 __u16 entry_nr; 1956 __u16 padding; 1957 }; 1958 1959 #define KVM_MAX_MSIX_PER_DEV 256 1960 struct kvm_assigned_msix_entry { 1961 __u32 assigned_dev_id; 1962 __u32 gsi; 1963 __u16 entry; /* The index of entry in the MSI-X table */ 1964 __u16 padding[3]; 1965 }; 1966 1967 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 1968 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 1969 1970 /* Available with KVM_CAP_ARM_USER_IRQ */ 1971 1972 /* Bits for run->s.regs.device_irq_level */ 1973 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1974 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1975 #define KVM_ARM_DEV_PMU (1 << 2) 1976 1977 struct kvm_hyperv_eventfd { 1978 __u32 conn_id; 1979 __s32 fd; 1980 __u32 flags; 1981 __u32 padding[3]; 1982 }; 1983 1984 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 1985 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 1986 1987 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1988 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1989 1990 /* 1991 * Arch needs to define the macro after implementing the dirty ring 1992 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1993 * starting page offset of the dirty ring structures. 1994 */ 1995 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1996 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1997 #endif 1998 1999 /* 2000 * KVM dirty GFN flags, defined as: 2001 * 2002 * |---------------+---------------+--------------| 2003 * | bit 1 (reset) | bit 0 (dirty) | Status | 2004 * |---------------+---------------+--------------| 2005 * | 0 | 0 | Invalid GFN | 2006 * | 0 | 1 | Dirty GFN | 2007 * | 1 | X | GFN to reset | 2008 * |---------------+---------------+--------------| 2009 * 2010 * Lifecycle of a dirty GFN goes like: 2011 * 2012 * dirtied harvested reset 2013 * 00 -----------> 01 -------------> 1X -------+ 2014 * ^ | 2015 * | | 2016 * +------------------------------------------+ 2017 * 2018 * The userspace program is only responsible for the 01->1X state 2019 * conversion after harvesting an entry. Also, it must not skip any 2020 * dirty bits, so that dirty bits are always harvested in sequence. 2021 */ 2022 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2023 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2024 #define KVM_DIRTY_GFN_F_MASK 0x3 2025 2026 /* 2027 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2028 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2029 * size of the gfn buffer is decided by the first argument when 2030 * enabling KVM_CAP_DIRTY_LOG_RING. 2031 */ 2032 struct kvm_dirty_gfn { 2033 __u32 flags; 2034 __u32 slot; 2035 __u64 offset; 2036 }; 2037 2038 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2039 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2040 2041 #define KVM_PMU_CAP_DISABLE (1 << 0) 2042 2043 /** 2044 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2045 * @flags: Some extra information for header, always 0 for now. 2046 * @name_size: The size in bytes of the memory which contains statistics 2047 * name string including trailing '\0'. The memory is allocated 2048 * at the send of statistics descriptor. 2049 * @num_desc: The number of statistics the vm or vcpu has. 2050 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2051 * by vm/vcpu stats fd. 2052 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2053 * pointd by vm/vcpu stats fd. 2054 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2055 * pointed by vm/vcpu stats fd. 2056 * 2057 * This is the header userspace needs to read from stats fd before any other 2058 * readings. It is used by userspace to discover all the information about the 2059 * vm/vcpu's binary statistics. 2060 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2061 */ 2062 struct kvm_stats_header { 2063 __u32 flags; 2064 __u32 name_size; 2065 __u32 num_desc; 2066 __u32 id_offset; 2067 __u32 desc_offset; 2068 __u32 data_offset; 2069 }; 2070 2071 #define KVM_STATS_TYPE_SHIFT 0 2072 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2073 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2074 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2075 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2076 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2077 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2078 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2079 2080 #define KVM_STATS_UNIT_SHIFT 4 2081 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2082 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2083 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2084 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2085 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2086 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES 2087 2088 #define KVM_STATS_BASE_SHIFT 8 2089 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2090 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2091 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2092 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2093 2094 /** 2095 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2096 * @flags: Annotations of the stats, like type, unit, etc. 2097 * @exponent: Used together with @flags to determine the unit. 2098 * @size: The number of data items for this stats. 2099 * Every data item is of type __u64. 2100 * @offset: The offset of the stats to the start of stat structure in 2101 * structure kvm or kvm_vcpu. 2102 * @bucket_size: A parameter value used for histogram stats. It is only used 2103 * for linear histogram stats, specifying the size of the bucket; 2104 * @name: The name string for the stats. Its size is indicated by the 2105 * &kvm_stats_header->name_size. 2106 */ 2107 struct kvm_stats_desc { 2108 __u32 flags; 2109 __s16 exponent; 2110 __u16 size; 2111 __u32 offset; 2112 __u32 bucket_size; 2113 char name[]; 2114 }; 2115 2116 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2117 2118 /* Available with KVM_CAP_XSAVE2 */ 2119 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2120 2121 #endif /* __LINUX_KVM_H */ 2122