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 #define KVM_EXIT_NOTIFY 36 274 275 /* For KVM_EXIT_INTERNAL_ERROR */ 276 /* Emulate instruction failed. */ 277 #define KVM_INTERNAL_ERROR_EMULATION 1 278 /* Encounter unexpected simultaneous exceptions. */ 279 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 280 /* Encounter unexpected vm-exit due to delivery event. */ 281 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 282 /* Encounter unexpected vm-exit reason */ 283 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 284 285 /* Flags that describe what fields in emulation_failure hold valid data. */ 286 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 287 288 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 289 struct kvm_run { 290 /* in */ 291 __u8 request_interrupt_window; 292 __u8 immediate_exit; 293 __u8 padding1[6]; 294 295 /* out */ 296 __u32 exit_reason; 297 __u8 ready_for_interrupt_injection; 298 __u8 if_flag; 299 __u16 flags; 300 301 /* in (pre_kvm_run), out (post_kvm_run) */ 302 __u64 cr8; 303 __u64 apic_base; 304 305 #ifdef __KVM_S390 306 /* the processor status word for s390 */ 307 __u64 psw_mask; /* psw upper half */ 308 __u64 psw_addr; /* psw lower half */ 309 #endif 310 union { 311 /* KVM_EXIT_UNKNOWN */ 312 struct { 313 __u64 hardware_exit_reason; 314 } hw; 315 /* KVM_EXIT_FAIL_ENTRY */ 316 struct { 317 __u64 hardware_entry_failure_reason; 318 __u32 cpu; 319 } fail_entry; 320 /* KVM_EXIT_EXCEPTION */ 321 struct { 322 __u32 exception; 323 __u32 error_code; 324 } ex; 325 /* KVM_EXIT_IO */ 326 struct { 327 #define KVM_EXIT_IO_IN 0 328 #define KVM_EXIT_IO_OUT 1 329 __u8 direction; 330 __u8 size; /* bytes */ 331 __u16 port; 332 __u32 count; 333 __u64 data_offset; /* relative to kvm_run start */ 334 } io; 335 /* KVM_EXIT_DEBUG */ 336 struct { 337 struct kvm_debug_exit_arch arch; 338 } debug; 339 /* KVM_EXIT_MMIO */ 340 struct { 341 __u64 phys_addr; 342 __u8 data[8]; 343 __u32 len; 344 __u8 is_write; 345 } mmio; 346 /* KVM_EXIT_HYPERCALL */ 347 struct { 348 __u64 nr; 349 __u64 args[6]; 350 __u64 ret; 351 __u32 longmode; 352 __u32 pad; 353 } hypercall; 354 /* KVM_EXIT_TPR_ACCESS */ 355 struct { 356 __u64 rip; 357 __u32 is_write; 358 __u32 pad; 359 } tpr_access; 360 /* KVM_EXIT_S390_SIEIC */ 361 struct { 362 __u8 icptcode; 363 __u16 ipa; 364 __u32 ipb; 365 } s390_sieic; 366 /* KVM_EXIT_S390_RESET */ 367 #define KVM_S390_RESET_POR 1 368 #define KVM_S390_RESET_CLEAR 2 369 #define KVM_S390_RESET_SUBSYSTEM 4 370 #define KVM_S390_RESET_CPU_INIT 8 371 #define KVM_S390_RESET_IPL 16 372 __u64 s390_reset_flags; 373 /* KVM_EXIT_S390_UCONTROL */ 374 struct { 375 __u64 trans_exc_code; 376 __u32 pgm_code; 377 } s390_ucontrol; 378 /* KVM_EXIT_DCR (deprecated) */ 379 struct { 380 __u32 dcrn; 381 __u32 data; 382 __u8 is_write; 383 } dcr; 384 /* KVM_EXIT_INTERNAL_ERROR */ 385 struct { 386 __u32 suberror; 387 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 388 __u32 ndata; 389 __u64 data[16]; 390 } internal; 391 /* 392 * KVM_INTERNAL_ERROR_EMULATION 393 * 394 * "struct emulation_failure" is an overlay of "struct internal" 395 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 396 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 397 * sub-types, this struct is ABI! It also needs to be backwards 398 * compatible with "struct internal". Take special care that 399 * "ndata" is correct, that new fields are enumerated in "flags", 400 * and that each flag enumerates fields that are 64-bit aligned 401 * and sized (so that ndata+internal.data[] is valid/accurate). 402 * 403 * Space beyond the defined fields may be used to store arbitrary 404 * debug information relating to the emulation failure. It is 405 * accounted for in "ndata" but the format is unspecified and is 406 * not represented in "flags". Any such information is *not* ABI! 407 */ 408 struct { 409 __u32 suberror; 410 __u32 ndata; 411 __u64 flags; 412 union { 413 struct { 414 __u8 insn_size; 415 __u8 insn_bytes[15]; 416 }; 417 }; 418 /* Arbitrary debug data may follow. */ 419 } emulation_failure; 420 /* KVM_EXIT_OSI */ 421 struct { 422 __u64 gprs[32]; 423 } osi; 424 /* KVM_EXIT_PAPR_HCALL */ 425 struct { 426 __u64 nr; 427 __u64 ret; 428 __u64 args[9]; 429 } papr_hcall; 430 /* KVM_EXIT_S390_TSCH */ 431 struct { 432 __u16 subchannel_id; 433 __u16 subchannel_nr; 434 __u32 io_int_parm; 435 __u32 io_int_word; 436 __u32 ipb; 437 __u8 dequeued; 438 } s390_tsch; 439 /* KVM_EXIT_EPR */ 440 struct { 441 __u32 epr; 442 } epr; 443 /* KVM_EXIT_SYSTEM_EVENT */ 444 struct { 445 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 446 #define KVM_SYSTEM_EVENT_RESET 2 447 #define KVM_SYSTEM_EVENT_CRASH 3 448 #define KVM_SYSTEM_EVENT_WAKEUP 4 449 #define KVM_SYSTEM_EVENT_SUSPEND 5 450 #define KVM_SYSTEM_EVENT_SEV_TERM 6 451 __u32 type; 452 __u32 ndata; 453 union { 454 #ifndef __KERNEL__ 455 __u64 flags; 456 #endif 457 __u64 data[16]; 458 }; 459 } system_event; 460 /* KVM_EXIT_S390_STSI */ 461 struct { 462 __u64 addr; 463 __u8 ar; 464 __u8 reserved; 465 __u8 fc; 466 __u8 sel1; 467 __u16 sel2; 468 } s390_stsi; 469 /* KVM_EXIT_IOAPIC_EOI */ 470 struct { 471 __u8 vector; 472 } eoi; 473 /* KVM_EXIT_HYPERV */ 474 struct kvm_hyperv_exit hyperv; 475 /* KVM_EXIT_ARM_NISV */ 476 struct { 477 __u64 esr_iss; 478 __u64 fault_ipa; 479 } arm_nisv; 480 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 481 struct { 482 __u8 error; /* user -> kernel */ 483 __u8 pad[7]; 484 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 485 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 486 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 487 __u32 reason; /* kernel -> user */ 488 __u32 index; /* kernel -> user */ 489 __u64 data; /* kernel <-> user */ 490 } msr; 491 /* KVM_EXIT_XEN */ 492 struct kvm_xen_exit xen; 493 /* KVM_EXIT_RISCV_SBI */ 494 struct { 495 unsigned long extension_id; 496 unsigned long function_id; 497 unsigned long args[6]; 498 unsigned long ret[2]; 499 } riscv_sbi; 500 /* KVM_EXIT_NOTIFY */ 501 struct { 502 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 503 __u32 flags; 504 } notify; 505 /* Fix the size of the union. */ 506 char padding[256]; 507 }; 508 509 /* 2048 is the size of the char array used to bound/pad the size 510 * of the union that holds sync regs. 511 */ 512 #define SYNC_REGS_SIZE_BYTES 2048 513 /* 514 * shared registers between kvm and userspace. 515 * kvm_valid_regs specifies the register classes set by the host 516 * kvm_dirty_regs specified the register classes dirtied by userspace 517 * struct kvm_sync_regs is architecture specific, as well as the 518 * bits for kvm_valid_regs and kvm_dirty_regs 519 */ 520 __u64 kvm_valid_regs; 521 __u64 kvm_dirty_regs; 522 union { 523 struct kvm_sync_regs regs; 524 char padding[SYNC_REGS_SIZE_BYTES]; 525 } s; 526 }; 527 528 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 529 530 struct kvm_coalesced_mmio_zone { 531 __u64 addr; 532 __u32 size; 533 union { 534 __u32 pad; 535 __u32 pio; 536 }; 537 }; 538 539 struct kvm_coalesced_mmio { 540 __u64 phys_addr; 541 __u32 len; 542 union { 543 __u32 pad; 544 __u32 pio; 545 }; 546 __u8 data[8]; 547 }; 548 549 struct kvm_coalesced_mmio_ring { 550 __u32 first, last; 551 struct kvm_coalesced_mmio coalesced_mmio[0]; 552 }; 553 554 #define KVM_COALESCED_MMIO_MAX \ 555 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 556 sizeof(struct kvm_coalesced_mmio)) 557 558 /* for KVM_TRANSLATE */ 559 struct kvm_translation { 560 /* in */ 561 __u64 linear_address; 562 563 /* out */ 564 __u64 physical_address; 565 __u8 valid; 566 __u8 writeable; 567 __u8 usermode; 568 __u8 pad[5]; 569 }; 570 571 /* for KVM_S390_MEM_OP */ 572 struct kvm_s390_mem_op { 573 /* in */ 574 __u64 gaddr; /* the guest address */ 575 __u64 flags; /* flags */ 576 __u32 size; /* amount of bytes */ 577 __u32 op; /* type of operation */ 578 __u64 buf; /* buffer in userspace */ 579 union { 580 struct { 581 __u8 ar; /* the access register number */ 582 __u8 key; /* access key, ignored if flag unset */ 583 }; 584 __u32 sida_offset; /* offset into the sida */ 585 __u8 reserved[32]; /* ignored */ 586 }; 587 }; 588 /* types for kvm_s390_mem_op->op */ 589 #define KVM_S390_MEMOP_LOGICAL_READ 0 590 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 591 #define KVM_S390_MEMOP_SIDA_READ 2 592 #define KVM_S390_MEMOP_SIDA_WRITE 3 593 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 594 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 595 /* flags for kvm_s390_mem_op->flags */ 596 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 597 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 598 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) 599 600 /* for KVM_INTERRUPT */ 601 struct kvm_interrupt { 602 /* in */ 603 __u32 irq; 604 }; 605 606 /* for KVM_GET_DIRTY_LOG */ 607 struct kvm_dirty_log { 608 __u32 slot; 609 __u32 padding1; 610 union { 611 void __user *dirty_bitmap; /* one bit per page */ 612 __u64 padding2; 613 }; 614 }; 615 616 /* for KVM_CLEAR_DIRTY_LOG */ 617 struct kvm_clear_dirty_log { 618 __u32 slot; 619 __u32 num_pages; 620 __u64 first_page; 621 union { 622 void __user *dirty_bitmap; /* one bit per page */ 623 __u64 padding2; 624 }; 625 }; 626 627 /* for KVM_SET_SIGNAL_MASK */ 628 struct kvm_signal_mask { 629 __u32 len; 630 __u8 sigset[0]; 631 }; 632 633 /* for KVM_TPR_ACCESS_REPORTING */ 634 struct kvm_tpr_access_ctl { 635 __u32 enabled; 636 __u32 flags; 637 __u32 reserved[8]; 638 }; 639 640 /* for KVM_SET_VAPIC_ADDR */ 641 struct kvm_vapic_addr { 642 __u64 vapic_addr; 643 }; 644 645 /* for KVM_SET_MP_STATE */ 646 647 /* not all states are valid on all architectures */ 648 #define KVM_MP_STATE_RUNNABLE 0 649 #define KVM_MP_STATE_UNINITIALIZED 1 650 #define KVM_MP_STATE_INIT_RECEIVED 2 651 #define KVM_MP_STATE_HALTED 3 652 #define KVM_MP_STATE_SIPI_RECEIVED 4 653 #define KVM_MP_STATE_STOPPED 5 654 #define KVM_MP_STATE_CHECK_STOP 6 655 #define KVM_MP_STATE_OPERATING 7 656 #define KVM_MP_STATE_LOAD 8 657 #define KVM_MP_STATE_AP_RESET_HOLD 9 658 #define KVM_MP_STATE_SUSPENDED 10 659 660 struct kvm_mp_state { 661 __u32 mp_state; 662 }; 663 664 struct kvm_s390_psw { 665 __u64 mask; 666 __u64 addr; 667 }; 668 669 /* valid values for type in kvm_s390_interrupt */ 670 #define KVM_S390_SIGP_STOP 0xfffe0000u 671 #define KVM_S390_PROGRAM_INT 0xfffe0001u 672 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 673 #define KVM_S390_RESTART 0xfffe0003u 674 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 675 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 676 #define KVM_S390_MCHK 0xfffe1000u 677 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 678 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 679 #define KVM_S390_INT_VIRTIO 0xffff2603u 680 #define KVM_S390_INT_SERVICE 0xffff2401u 681 #define KVM_S390_INT_EMERGENCY 0xffff1201u 682 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 683 /* Anything below 0xfffe0000u is taken by INT_IO */ 684 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 685 (((schid)) | \ 686 ((ssid) << 16) | \ 687 ((cssid) << 18) | \ 688 ((ai) << 26)) 689 #define KVM_S390_INT_IO_MIN 0x00000000u 690 #define KVM_S390_INT_IO_MAX 0xfffdffffu 691 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 692 693 694 struct kvm_s390_interrupt { 695 __u32 type; 696 __u32 parm; 697 __u64 parm64; 698 }; 699 700 struct kvm_s390_io_info { 701 __u16 subchannel_id; 702 __u16 subchannel_nr; 703 __u32 io_int_parm; 704 __u32 io_int_word; 705 }; 706 707 struct kvm_s390_ext_info { 708 __u32 ext_params; 709 __u32 pad; 710 __u64 ext_params2; 711 }; 712 713 struct kvm_s390_pgm_info { 714 __u64 trans_exc_code; 715 __u64 mon_code; 716 __u64 per_address; 717 __u32 data_exc_code; 718 __u16 code; 719 __u16 mon_class_nr; 720 __u8 per_code; 721 __u8 per_atmid; 722 __u8 exc_access_id; 723 __u8 per_access_id; 724 __u8 op_access_id; 725 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 726 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 727 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 728 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 729 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 730 __u8 flags; 731 __u8 pad[2]; 732 }; 733 734 struct kvm_s390_prefix_info { 735 __u32 address; 736 }; 737 738 struct kvm_s390_extcall_info { 739 __u16 code; 740 }; 741 742 struct kvm_s390_emerg_info { 743 __u16 code; 744 }; 745 746 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 747 struct kvm_s390_stop_info { 748 __u32 flags; 749 }; 750 751 struct kvm_s390_mchk_info { 752 __u64 cr14; 753 __u64 mcic; 754 __u64 failing_storage_address; 755 __u32 ext_damage_code; 756 __u32 pad; 757 __u8 fixed_logout[16]; 758 }; 759 760 struct kvm_s390_irq { 761 __u64 type; 762 union { 763 struct kvm_s390_io_info io; 764 struct kvm_s390_ext_info ext; 765 struct kvm_s390_pgm_info pgm; 766 struct kvm_s390_emerg_info emerg; 767 struct kvm_s390_extcall_info extcall; 768 struct kvm_s390_prefix_info prefix; 769 struct kvm_s390_stop_info stop; 770 struct kvm_s390_mchk_info mchk; 771 char reserved[64]; 772 } u; 773 }; 774 775 struct kvm_s390_irq_state { 776 __u64 buf; 777 __u32 flags; /* will stay unused for compatibility reasons */ 778 __u32 len; 779 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 780 }; 781 782 /* for KVM_SET_GUEST_DEBUG */ 783 784 #define KVM_GUESTDBG_ENABLE 0x00000001 785 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 786 787 struct kvm_guest_debug { 788 __u32 control; 789 __u32 pad; 790 struct kvm_guest_debug_arch arch; 791 }; 792 793 enum { 794 kvm_ioeventfd_flag_nr_datamatch, 795 kvm_ioeventfd_flag_nr_pio, 796 kvm_ioeventfd_flag_nr_deassign, 797 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 798 kvm_ioeventfd_flag_nr_fast_mmio, 799 kvm_ioeventfd_flag_nr_max, 800 }; 801 802 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 803 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 804 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 805 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 806 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 807 808 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 809 810 struct kvm_ioeventfd { 811 __u64 datamatch; 812 __u64 addr; /* legal pio/mmio address */ 813 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 814 __s32 fd; 815 __u32 flags; 816 __u8 pad[36]; 817 }; 818 819 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 820 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 821 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 822 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 823 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 824 KVM_X86_DISABLE_EXITS_HLT | \ 825 KVM_X86_DISABLE_EXITS_PAUSE | \ 826 KVM_X86_DISABLE_EXITS_CSTATE) 827 828 /* for KVM_ENABLE_CAP */ 829 struct kvm_enable_cap { 830 /* in */ 831 __u32 cap; 832 __u32 flags; 833 __u64 args[4]; 834 __u8 pad[64]; 835 }; 836 837 /* for KVM_PPC_GET_PVINFO */ 838 839 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 840 841 struct kvm_ppc_pvinfo { 842 /* out */ 843 __u32 flags; 844 __u32 hcall[4]; 845 __u8 pad[108]; 846 }; 847 848 /* for KVM_PPC_GET_SMMU_INFO */ 849 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 850 851 struct kvm_ppc_one_page_size { 852 __u32 page_shift; /* Page shift (or 0) */ 853 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 854 }; 855 856 struct kvm_ppc_one_seg_page_size { 857 __u32 page_shift; /* Base page shift of segment (or 0) */ 858 __u32 slb_enc; /* SLB encoding for BookS */ 859 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 860 }; 861 862 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 863 #define KVM_PPC_1T_SEGMENTS 0x00000002 864 #define KVM_PPC_NO_HASH 0x00000004 865 866 struct kvm_ppc_smmu_info { 867 __u64 flags; 868 __u32 slb_size; 869 __u16 data_keys; /* # storage keys supported for data */ 870 __u16 instr_keys; /* # storage keys supported for instructions */ 871 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 872 }; 873 874 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 875 struct kvm_ppc_resize_hpt { 876 __u64 flags; 877 __u32 shift; 878 __u32 pad; 879 }; 880 881 #define KVMIO 0xAE 882 883 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 884 #define KVM_VM_S390_UCONTROL 1 885 886 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 887 #define KVM_VM_PPC_HV 1 888 #define KVM_VM_PPC_PR 2 889 890 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 891 #define KVM_VM_MIPS_AUTO 0 892 #define KVM_VM_MIPS_VZ 1 893 #define KVM_VM_MIPS_TE 2 894 895 #define KVM_S390_SIE_PAGE_OFFSET 1 896 897 /* 898 * On arm64, machine type can be used to request the physical 899 * address size for the VM. Bits[7-0] are reserved for the guest 900 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 901 * value 0 implies the default IPA size, 40bits. 902 */ 903 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 904 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 905 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 906 /* 907 * ioctls for /dev/kvm fds: 908 */ 909 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 910 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 911 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 912 913 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 914 /* 915 * Check if a kvm extension is available. Argument is extension number, 916 * return is 1 (yes) or 0 (no, sorry). 917 */ 918 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 919 /* 920 * Get size for mmap(vcpu_fd) 921 */ 922 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 923 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 924 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 925 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 926 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 927 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 928 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 929 930 /* 931 * Extension capability list. 932 */ 933 #define KVM_CAP_IRQCHIP 0 934 #define KVM_CAP_HLT 1 935 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 936 #define KVM_CAP_USER_MEMORY 3 937 #define KVM_CAP_SET_TSS_ADDR 4 938 #define KVM_CAP_VAPIC 6 939 #define KVM_CAP_EXT_CPUID 7 940 #define KVM_CAP_CLOCKSOURCE 8 941 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 942 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 943 #define KVM_CAP_PIT 11 944 #define KVM_CAP_NOP_IO_DELAY 12 945 #define KVM_CAP_PV_MMU 13 946 #define KVM_CAP_MP_STATE 14 947 #define KVM_CAP_COALESCED_MMIO 15 948 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 949 #define KVM_CAP_IOMMU 18 950 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 951 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 952 #define KVM_CAP_USER_NMI 22 953 #ifdef __KVM_HAVE_GUEST_DEBUG 954 #define KVM_CAP_SET_GUEST_DEBUG 23 955 #endif 956 #ifdef __KVM_HAVE_PIT 957 #define KVM_CAP_REINJECT_CONTROL 24 958 #endif 959 #define KVM_CAP_IRQ_ROUTING 25 960 #define KVM_CAP_IRQ_INJECT_STATUS 26 961 #define KVM_CAP_ASSIGN_DEV_IRQ 29 962 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 963 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 964 #ifdef __KVM_HAVE_MCE 965 #define KVM_CAP_MCE 31 966 #endif 967 #define KVM_CAP_IRQFD 32 968 #ifdef __KVM_HAVE_PIT 969 #define KVM_CAP_PIT2 33 970 #endif 971 #define KVM_CAP_SET_BOOT_CPU_ID 34 972 #ifdef __KVM_HAVE_PIT_STATE2 973 #define KVM_CAP_PIT_STATE2 35 974 #endif 975 #define KVM_CAP_IOEVENTFD 36 976 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 977 #ifdef __KVM_HAVE_XEN_HVM 978 #define KVM_CAP_XEN_HVM 38 979 #endif 980 #define KVM_CAP_ADJUST_CLOCK 39 981 #define KVM_CAP_INTERNAL_ERROR_DATA 40 982 #ifdef __KVM_HAVE_VCPU_EVENTS 983 #define KVM_CAP_VCPU_EVENTS 41 984 #endif 985 #define KVM_CAP_S390_PSW 42 986 #define KVM_CAP_PPC_SEGSTATE 43 987 #define KVM_CAP_HYPERV 44 988 #define KVM_CAP_HYPERV_VAPIC 45 989 #define KVM_CAP_HYPERV_SPIN 46 990 #define KVM_CAP_PCI_SEGMENT 47 991 #define KVM_CAP_PPC_PAIRED_SINGLES 48 992 #define KVM_CAP_INTR_SHADOW 49 993 #ifdef __KVM_HAVE_DEBUGREGS 994 #define KVM_CAP_DEBUGREGS 50 995 #endif 996 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 997 #define KVM_CAP_PPC_OSI 52 998 #define KVM_CAP_PPC_UNSET_IRQ 53 999 #define KVM_CAP_ENABLE_CAP 54 1000 #ifdef __KVM_HAVE_XSAVE 1001 #define KVM_CAP_XSAVE 55 1002 #endif 1003 #ifdef __KVM_HAVE_XCRS 1004 #define KVM_CAP_XCRS 56 1005 #endif 1006 #define KVM_CAP_PPC_GET_PVINFO 57 1007 #define KVM_CAP_PPC_IRQ_LEVEL 58 1008 #define KVM_CAP_ASYNC_PF 59 1009 #define KVM_CAP_TSC_CONTROL 60 1010 #define KVM_CAP_GET_TSC_KHZ 61 1011 #define KVM_CAP_PPC_BOOKE_SREGS 62 1012 #define KVM_CAP_SPAPR_TCE 63 1013 #define KVM_CAP_PPC_SMT 64 1014 #define KVM_CAP_PPC_RMA 65 1015 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 1016 #define KVM_CAP_PPC_HIOR 67 1017 #define KVM_CAP_PPC_PAPR 68 1018 #define KVM_CAP_SW_TLB 69 1019 #define KVM_CAP_ONE_REG 70 1020 #define KVM_CAP_S390_GMAP 71 1021 #define KVM_CAP_TSC_DEADLINE_TIMER 72 1022 #define KVM_CAP_S390_UCONTROL 73 1023 #define KVM_CAP_SYNC_REGS 74 1024 #define KVM_CAP_PCI_2_3 75 1025 #define KVM_CAP_KVMCLOCK_CTRL 76 1026 #define KVM_CAP_SIGNAL_MSI 77 1027 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1028 #define KVM_CAP_S390_COW 79 1029 #define KVM_CAP_PPC_ALLOC_HTAB 80 1030 #define KVM_CAP_READONLY_MEM 81 1031 #define KVM_CAP_IRQFD_RESAMPLE 82 1032 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1033 #define KVM_CAP_PPC_HTAB_FD 84 1034 #define KVM_CAP_S390_CSS_SUPPORT 85 1035 #define KVM_CAP_PPC_EPR 86 1036 #define KVM_CAP_ARM_PSCI 87 1037 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1038 #define KVM_CAP_DEVICE_CTRL 89 1039 #define KVM_CAP_IRQ_MPIC 90 1040 #define KVM_CAP_PPC_RTAS 91 1041 #define KVM_CAP_IRQ_XICS 92 1042 #define KVM_CAP_ARM_EL1_32BIT 93 1043 #define KVM_CAP_SPAPR_MULTITCE 94 1044 #define KVM_CAP_EXT_EMUL_CPUID 95 1045 #define KVM_CAP_HYPERV_TIME 96 1046 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1047 #define KVM_CAP_ENABLE_CAP_VM 98 1048 #define KVM_CAP_S390_IRQCHIP 99 1049 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1050 #define KVM_CAP_VM_ATTRIBUTES 101 1051 #define KVM_CAP_ARM_PSCI_0_2 102 1052 #define KVM_CAP_PPC_FIXUP_HCALL 103 1053 #define KVM_CAP_PPC_ENABLE_HCALL 104 1054 #define KVM_CAP_CHECK_EXTENSION_VM 105 1055 #define KVM_CAP_S390_USER_SIGP 106 1056 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1057 #define KVM_CAP_S390_MEM_OP 108 1058 #define KVM_CAP_S390_USER_STSI 109 1059 #define KVM_CAP_S390_SKEYS 110 1060 #define KVM_CAP_MIPS_FPU 111 1061 #define KVM_CAP_MIPS_MSA 112 1062 #define KVM_CAP_S390_INJECT_IRQ 113 1063 #define KVM_CAP_S390_IRQ_STATE 114 1064 #define KVM_CAP_PPC_HWRNG 115 1065 #define KVM_CAP_DISABLE_QUIRKS 116 1066 #define KVM_CAP_X86_SMM 117 1067 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1068 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1069 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1070 #define KVM_CAP_SPLIT_IRQCHIP 121 1071 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1072 #define KVM_CAP_HYPERV_SYNIC 123 1073 #define KVM_CAP_S390_RI 124 1074 #define KVM_CAP_SPAPR_TCE_64 125 1075 #define KVM_CAP_ARM_PMU_V3 126 1076 #define KVM_CAP_VCPU_ATTRIBUTES 127 1077 #define KVM_CAP_MAX_VCPU_ID 128 1078 #define KVM_CAP_X2APIC_API 129 1079 #define KVM_CAP_S390_USER_INSTR0 130 1080 #define KVM_CAP_MSI_DEVID 131 1081 #define KVM_CAP_PPC_HTM 132 1082 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1083 #define KVM_CAP_PPC_MMU_RADIX 134 1084 #define KVM_CAP_PPC_MMU_HASH_V3 135 1085 #define KVM_CAP_IMMEDIATE_EXIT 136 1086 #define KVM_CAP_MIPS_VZ 137 1087 #define KVM_CAP_MIPS_TE 138 1088 #define KVM_CAP_MIPS_64BIT 139 1089 #define KVM_CAP_S390_GS 140 1090 #define KVM_CAP_S390_AIS 141 1091 #define KVM_CAP_SPAPR_TCE_VFIO 142 1092 #define KVM_CAP_X86_DISABLE_EXITS 143 1093 #define KVM_CAP_ARM_USER_IRQ 144 1094 #define KVM_CAP_S390_CMMA_MIGRATION 145 1095 #define KVM_CAP_PPC_FWNMI 146 1096 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1097 #define KVM_CAP_HYPERV_SYNIC2 148 1098 #define KVM_CAP_HYPERV_VP_INDEX 149 1099 #define KVM_CAP_S390_AIS_MIGRATION 150 1100 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1101 #define KVM_CAP_S390_BPB 152 1102 #define KVM_CAP_GET_MSR_FEATURES 153 1103 #define KVM_CAP_HYPERV_EVENTFD 154 1104 #define KVM_CAP_HYPERV_TLBFLUSH 155 1105 #define KVM_CAP_S390_HPAGE_1M 156 1106 #define KVM_CAP_NESTED_STATE 157 1107 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1108 #define KVM_CAP_MSR_PLATFORM_INFO 159 1109 #define KVM_CAP_PPC_NESTED_HV 160 1110 #define KVM_CAP_HYPERV_SEND_IPI 161 1111 #define KVM_CAP_COALESCED_PIO 162 1112 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1113 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1114 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1115 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1116 #define KVM_CAP_HYPERV_CPUID 167 1117 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1118 #define KVM_CAP_PPC_IRQ_XIVE 169 1119 #define KVM_CAP_ARM_SVE 170 1120 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1121 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1122 #define KVM_CAP_PMU_EVENT_FILTER 173 1123 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1124 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1125 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1126 #define KVM_CAP_ARM_NISV_TO_USER 177 1127 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1128 #define KVM_CAP_S390_VCPU_RESETS 179 1129 #define KVM_CAP_S390_PROTECTED 180 1130 #define KVM_CAP_PPC_SECURE_GUEST 181 1131 #define KVM_CAP_HALT_POLL 182 1132 #define KVM_CAP_ASYNC_PF_INT 183 1133 #define KVM_CAP_LAST_CPU 184 1134 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1135 #define KVM_CAP_S390_DIAG318 186 1136 #define KVM_CAP_STEAL_TIME 187 1137 #define KVM_CAP_X86_USER_SPACE_MSR 188 1138 #define KVM_CAP_X86_MSR_FILTER 189 1139 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1140 #define KVM_CAP_SYS_HYPERV_CPUID 191 1141 #define KVM_CAP_DIRTY_LOG_RING 192 1142 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1143 #define KVM_CAP_PPC_DAWR1 194 1144 #define KVM_CAP_SET_GUEST_DEBUG2 195 1145 #define KVM_CAP_SGX_ATTRIBUTE 196 1146 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1147 #define KVM_CAP_PTP_KVM 198 1148 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1149 #define KVM_CAP_SREGS2 200 1150 #define KVM_CAP_EXIT_HYPERCALL 201 1151 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1152 #define KVM_CAP_BINARY_STATS_FD 203 1153 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1154 #define KVM_CAP_ARM_MTE 205 1155 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1156 #define KVM_CAP_VM_GPA_BITS 207 1157 #define KVM_CAP_XSAVE2 208 1158 #define KVM_CAP_SYS_ATTRIBUTES 209 1159 #define KVM_CAP_PPC_AIL_MODE_3 210 1160 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1161 #define KVM_CAP_PMU_CAPABILITY 212 1162 #define KVM_CAP_DISABLE_QUIRKS2 213 1163 #define KVM_CAP_VM_TSC_CONTROL 214 1164 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1165 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1166 #define KVM_CAP_S390_PROTECTED_DUMP 217 1167 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 1168 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 1169 1170 #ifdef KVM_CAP_IRQ_ROUTING 1171 1172 struct kvm_irq_routing_irqchip { 1173 __u32 irqchip; 1174 __u32 pin; 1175 }; 1176 1177 struct kvm_irq_routing_msi { 1178 __u32 address_lo; 1179 __u32 address_hi; 1180 __u32 data; 1181 union { 1182 __u32 pad; 1183 __u32 devid; 1184 }; 1185 }; 1186 1187 struct kvm_irq_routing_s390_adapter { 1188 __u64 ind_addr; 1189 __u64 summary_addr; 1190 __u64 ind_offset; 1191 __u32 summary_offset; 1192 __u32 adapter_id; 1193 }; 1194 1195 struct kvm_irq_routing_hv_sint { 1196 __u32 vcpu; 1197 __u32 sint; 1198 }; 1199 1200 struct kvm_irq_routing_xen_evtchn { 1201 __u32 port; 1202 __u32 vcpu; 1203 __u32 priority; 1204 }; 1205 1206 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1207 1208 /* gsi routing entry types */ 1209 #define KVM_IRQ_ROUTING_IRQCHIP 1 1210 #define KVM_IRQ_ROUTING_MSI 2 1211 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1212 #define KVM_IRQ_ROUTING_HV_SINT 4 1213 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1214 1215 struct kvm_irq_routing_entry { 1216 __u32 gsi; 1217 __u32 type; 1218 __u32 flags; 1219 __u32 pad; 1220 union { 1221 struct kvm_irq_routing_irqchip irqchip; 1222 struct kvm_irq_routing_msi msi; 1223 struct kvm_irq_routing_s390_adapter adapter; 1224 struct kvm_irq_routing_hv_sint hv_sint; 1225 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1226 __u32 pad[8]; 1227 } u; 1228 }; 1229 1230 struct kvm_irq_routing { 1231 __u32 nr; 1232 __u32 flags; 1233 struct kvm_irq_routing_entry entries[0]; 1234 }; 1235 1236 #endif 1237 1238 #ifdef KVM_CAP_MCE 1239 /* x86 MCE */ 1240 struct kvm_x86_mce { 1241 __u64 status; 1242 __u64 addr; 1243 __u64 misc; 1244 __u64 mcg_status; 1245 __u8 bank; 1246 __u8 pad1[7]; 1247 __u64 pad2[3]; 1248 }; 1249 #endif 1250 1251 #ifdef KVM_CAP_XEN_HVM 1252 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1253 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1254 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1255 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1256 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1257 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1258 1259 struct kvm_xen_hvm_config { 1260 __u32 flags; 1261 __u32 msr; 1262 __u64 blob_addr_32; 1263 __u64 blob_addr_64; 1264 __u8 blob_size_32; 1265 __u8 blob_size_64; 1266 __u8 pad2[30]; 1267 }; 1268 #endif 1269 1270 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1271 /* 1272 * Available with KVM_CAP_IRQFD_RESAMPLE 1273 * 1274 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1275 * the irqfd to operate in resampling mode for level triggered interrupt 1276 * emulation. See Documentation/virt/kvm/api.rst. 1277 */ 1278 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1279 1280 struct kvm_irqfd { 1281 __u32 fd; 1282 __u32 gsi; 1283 __u32 flags; 1284 __u32 resamplefd; 1285 __u8 pad[16]; 1286 }; 1287 1288 /* For KVM_CAP_ADJUST_CLOCK */ 1289 1290 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1291 #define KVM_CLOCK_TSC_STABLE 2 1292 #define KVM_CLOCK_REALTIME (1 << 2) 1293 #define KVM_CLOCK_HOST_TSC (1 << 3) 1294 1295 struct kvm_clock_data { 1296 __u64 clock; 1297 __u32 flags; 1298 __u32 pad0; 1299 __u64 realtime; 1300 __u64 host_tsc; 1301 __u32 pad[4]; 1302 }; 1303 1304 /* For KVM_CAP_SW_TLB */ 1305 1306 #define KVM_MMU_FSL_BOOKE_NOHV 0 1307 #define KVM_MMU_FSL_BOOKE_HV 1 1308 1309 struct kvm_config_tlb { 1310 __u64 params; 1311 __u64 array; 1312 __u32 mmu_type; 1313 __u32 array_len; 1314 }; 1315 1316 struct kvm_dirty_tlb { 1317 __u64 bitmap; 1318 __u32 num_dirty; 1319 }; 1320 1321 /* Available with KVM_CAP_ONE_REG */ 1322 1323 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1324 #define KVM_REG_GENERIC 0x0000000000000000ULL 1325 1326 /* 1327 * Architecture specific registers are to be defined in arch headers and 1328 * ORed with the arch identifier. 1329 */ 1330 #define KVM_REG_PPC 0x1000000000000000ULL 1331 #define KVM_REG_X86 0x2000000000000000ULL 1332 #define KVM_REG_IA64 0x3000000000000000ULL 1333 #define KVM_REG_ARM 0x4000000000000000ULL 1334 #define KVM_REG_S390 0x5000000000000000ULL 1335 #define KVM_REG_ARM64 0x6000000000000000ULL 1336 #define KVM_REG_MIPS 0x7000000000000000ULL 1337 #define KVM_REG_RISCV 0x8000000000000000ULL 1338 1339 #define KVM_REG_SIZE_SHIFT 52 1340 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1341 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1342 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1343 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1344 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1345 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1346 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1347 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1348 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1349 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1350 1351 struct kvm_reg_list { 1352 __u64 n; /* number of regs */ 1353 __u64 reg[0]; 1354 }; 1355 1356 struct kvm_one_reg { 1357 __u64 id; 1358 __u64 addr; 1359 }; 1360 1361 #define KVM_MSI_VALID_DEVID (1U << 0) 1362 struct kvm_msi { 1363 __u32 address_lo; 1364 __u32 address_hi; 1365 __u32 data; 1366 __u32 flags; 1367 __u32 devid; 1368 __u8 pad[12]; 1369 }; 1370 1371 struct kvm_arm_device_addr { 1372 __u64 id; 1373 __u64 addr; 1374 }; 1375 1376 /* 1377 * Device control API, available with KVM_CAP_DEVICE_CTRL 1378 */ 1379 #define KVM_CREATE_DEVICE_TEST 1 1380 1381 struct kvm_create_device { 1382 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1383 __u32 fd; /* out: device handle */ 1384 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1385 }; 1386 1387 struct kvm_device_attr { 1388 __u32 flags; /* no flags currently defined */ 1389 __u32 group; /* device-defined */ 1390 __u64 attr; /* group-defined */ 1391 __u64 addr; /* userspace address of attr data */ 1392 }; 1393 1394 #define KVM_DEV_VFIO_GROUP 1 1395 #define KVM_DEV_VFIO_GROUP_ADD 1 1396 #define KVM_DEV_VFIO_GROUP_DEL 2 1397 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1398 1399 enum kvm_device_type { 1400 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1401 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1402 KVM_DEV_TYPE_FSL_MPIC_42, 1403 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1404 KVM_DEV_TYPE_XICS, 1405 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1406 KVM_DEV_TYPE_VFIO, 1407 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1408 KVM_DEV_TYPE_ARM_VGIC_V2, 1409 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1410 KVM_DEV_TYPE_FLIC, 1411 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1412 KVM_DEV_TYPE_ARM_VGIC_V3, 1413 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1414 KVM_DEV_TYPE_ARM_VGIC_ITS, 1415 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1416 KVM_DEV_TYPE_XIVE, 1417 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1418 KVM_DEV_TYPE_ARM_PV_TIME, 1419 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1420 KVM_DEV_TYPE_MAX, 1421 }; 1422 1423 struct kvm_vfio_spapr_tce { 1424 __s32 groupfd; 1425 __s32 tablefd; 1426 }; 1427 1428 /* 1429 * ioctls for VM fds 1430 */ 1431 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1432 /* 1433 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1434 * a vcpu fd. 1435 */ 1436 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1437 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1438 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1439 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1440 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1441 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 1442 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1443 struct kvm_userspace_memory_region) 1444 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1445 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1446 1447 /* enable ucontrol for s390 */ 1448 struct kvm_s390_ucas_mapping { 1449 __u64 user_addr; 1450 __u64 vcpu_addr; 1451 __u64 length; 1452 }; 1453 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1454 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1455 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1456 1457 /* Device model IOC */ 1458 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1459 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1460 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1461 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1462 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1463 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1464 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1465 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1466 #define KVM_REGISTER_COALESCED_MMIO \ 1467 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1468 #define KVM_UNREGISTER_COALESCED_MMIO \ 1469 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1470 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1471 struct kvm_assigned_pci_dev) 1472 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1473 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1474 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1475 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1476 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1477 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1478 struct kvm_assigned_pci_dev) 1479 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1480 struct kvm_assigned_msix_nr) 1481 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1482 struct kvm_assigned_msix_entry) 1483 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1484 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1485 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1486 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1487 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1488 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1489 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1490 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1491 /* Available with KVM_CAP_PIT_STATE2 */ 1492 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1493 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1494 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1495 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1496 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1497 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1498 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1499 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1500 /* Available with KVM_CAP_PCI_2_3 */ 1501 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1502 struct kvm_assigned_pci_dev) 1503 /* Available with KVM_CAP_SIGNAL_MSI */ 1504 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1505 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1506 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1507 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1508 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1509 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1510 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1511 struct kvm_create_spapr_tce_64) 1512 /* Available with KVM_CAP_RMA */ 1513 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1514 /* Available with KVM_CAP_PPC_HTAB_FD */ 1515 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1516 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1517 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1518 /* Available with KVM_CAP_PPC_RTAS */ 1519 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1520 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1521 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1522 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1523 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1524 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1525 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1526 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1527 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1528 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1529 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1530 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1531 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1532 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1533 1534 /* ioctl for vm fd */ 1535 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1536 1537 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1538 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1539 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1540 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1541 1542 /* 1543 * ioctls for vcpu fds 1544 */ 1545 #define KVM_RUN _IO(KVMIO, 0x80) 1546 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1547 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1548 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1549 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1550 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1551 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1552 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1553 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1554 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1555 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1556 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1557 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1558 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1559 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1560 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1561 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1562 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1563 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1564 /* Available with KVM_CAP_VAPIC */ 1565 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1566 /* Available with KVM_CAP_VAPIC */ 1567 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1568 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1569 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1570 /* store status for s390 */ 1571 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1572 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1573 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1574 /* initial ipl psw for s390 */ 1575 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1576 /* initial reset for s390 */ 1577 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1578 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1579 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1580 /* Available with KVM_CAP_USER_NMI */ 1581 #define KVM_NMI _IO(KVMIO, 0x9a) 1582 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1583 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1584 /* MCE for x86 */ 1585 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1586 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1587 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1588 /* Available with KVM_CAP_VCPU_EVENTS */ 1589 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1590 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1591 /* Available with KVM_CAP_DEBUGREGS */ 1592 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1593 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1594 /* 1595 * vcpu version available with KVM_ENABLE_CAP 1596 * vm version available with KVM_CAP_ENABLE_CAP_VM 1597 */ 1598 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1599 /* Available with KVM_CAP_XSAVE */ 1600 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1601 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1602 /* Available with KVM_CAP_XCRS */ 1603 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1604 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1605 /* Available with KVM_CAP_SW_TLB */ 1606 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1607 /* Available with KVM_CAP_ONE_REG */ 1608 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1609 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1610 /* VM is being stopped by host */ 1611 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1612 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1613 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1614 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1615 /* Available with KVM_CAP_S390_MEM_OP */ 1616 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1617 /* Available with KVM_CAP_S390_SKEYS */ 1618 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1619 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1620 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1621 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1622 /* Available with KVM_CAP_S390_IRQ_STATE */ 1623 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1624 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1625 /* Available with KVM_CAP_X86_SMM */ 1626 #define KVM_SMI _IO(KVMIO, 0xb7) 1627 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1628 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1629 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1630 /* Memory Encryption Commands */ 1631 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1632 1633 struct kvm_enc_region { 1634 __u64 addr; 1635 __u64 size; 1636 }; 1637 1638 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1639 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1640 1641 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1642 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1643 1644 /* Available with KVM_CAP_NESTED_STATE */ 1645 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1646 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1647 1648 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1649 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1650 1651 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1652 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1653 1654 /* Available with KVM_CAP_ARM_SVE */ 1655 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1656 1657 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1658 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1659 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1660 1661 struct kvm_s390_pv_sec_parm { 1662 __u64 origin; 1663 __u64 length; 1664 }; 1665 1666 struct kvm_s390_pv_unp { 1667 __u64 addr; 1668 __u64 size; 1669 __u64 tweak; 1670 }; 1671 1672 enum pv_cmd_dmp_id { 1673 KVM_PV_DUMP_INIT, 1674 KVM_PV_DUMP_CONFIG_STOR_STATE, 1675 KVM_PV_DUMP_COMPLETE, 1676 KVM_PV_DUMP_CPU, 1677 }; 1678 1679 struct kvm_s390_pv_dmp { 1680 __u64 subcmd; 1681 __u64 buff_addr; 1682 __u64 buff_len; 1683 __u64 gaddr; /* For dump storage state */ 1684 __u64 reserved[4]; 1685 }; 1686 1687 enum pv_cmd_info_id { 1688 KVM_PV_INFO_VM, 1689 KVM_PV_INFO_DUMP, 1690 }; 1691 1692 struct kvm_s390_pv_info_dump { 1693 __u64 dump_cpu_buffer_len; 1694 __u64 dump_config_mem_buffer_per_1m; 1695 __u64 dump_config_finalize_len; 1696 }; 1697 1698 struct kvm_s390_pv_info_vm { 1699 __u64 inst_calls_list[4]; 1700 __u64 max_cpus; 1701 __u64 max_guests; 1702 __u64 max_guest_addr; 1703 __u64 feature_indication; 1704 }; 1705 1706 struct kvm_s390_pv_info_header { 1707 __u32 id; 1708 __u32 len_max; 1709 __u32 len_written; 1710 __u32 reserved; 1711 }; 1712 1713 struct kvm_s390_pv_info { 1714 struct kvm_s390_pv_info_header header; 1715 union { 1716 struct kvm_s390_pv_info_dump dump; 1717 struct kvm_s390_pv_info_vm vm; 1718 }; 1719 }; 1720 1721 enum pv_cmd_id { 1722 KVM_PV_ENABLE, 1723 KVM_PV_DISABLE, 1724 KVM_PV_SET_SEC_PARMS, 1725 KVM_PV_UNPACK, 1726 KVM_PV_VERIFY, 1727 KVM_PV_PREP_RESET, 1728 KVM_PV_UNSHARE_ALL, 1729 KVM_PV_INFO, 1730 KVM_PV_DUMP, 1731 }; 1732 1733 struct kvm_pv_cmd { 1734 __u32 cmd; /* Command to be executed */ 1735 __u16 rc; /* Ultravisor return code */ 1736 __u16 rrc; /* Ultravisor return reason code */ 1737 __u64 data; /* Data or address */ 1738 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1739 __u32 reserved[3]; 1740 }; 1741 1742 /* Available with KVM_CAP_S390_PROTECTED */ 1743 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1744 1745 /* Available with KVM_CAP_X86_MSR_FILTER */ 1746 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1747 1748 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1749 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1750 1751 /* Per-VM Xen attributes */ 1752 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1753 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1754 1755 struct kvm_xen_hvm_attr { 1756 __u16 type; 1757 __u16 pad[3]; 1758 union { 1759 __u8 long_mode; 1760 __u8 vector; 1761 struct { 1762 __u64 gfn; 1763 } shared_info; 1764 struct { 1765 __u32 send_port; 1766 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1767 __u32 flags; 1768 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1769 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1770 #define KVM_XEN_EVTCHN_RESET (1 << 2) 1771 /* 1772 * Events sent by the guest are either looped back to 1773 * the guest itself (potentially on a different port#) 1774 * or signalled via an eventfd. 1775 */ 1776 union { 1777 struct { 1778 __u32 port; 1779 __u32 vcpu; 1780 __u32 priority; 1781 } port; 1782 struct { 1783 __u32 port; /* Zero for eventfd */ 1784 __s32 fd; 1785 } eventfd; 1786 __u32 padding[4]; 1787 } deliver; 1788 } evtchn; 1789 __u32 xen_version; 1790 __u64 pad[8]; 1791 } u; 1792 }; 1793 1794 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1795 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1796 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1797 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1798 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1799 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1800 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1801 1802 /* Per-vCPU Xen attributes */ 1803 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1804 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1805 1806 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1807 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1808 1809 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1810 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1811 1812 struct kvm_xen_vcpu_attr { 1813 __u16 type; 1814 __u16 pad[3]; 1815 union { 1816 __u64 gpa; 1817 __u64 pad[8]; 1818 struct { 1819 __u64 state; 1820 __u64 state_entry_time; 1821 __u64 time_running; 1822 __u64 time_runnable; 1823 __u64 time_blocked; 1824 __u64 time_offline; 1825 } runstate; 1826 __u32 vcpu_id; 1827 struct { 1828 __u32 port; 1829 __u32 priority; 1830 __u64 expires_ns; 1831 } timer; 1832 __u8 vector; 1833 } u; 1834 }; 1835 1836 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1837 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1838 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1839 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1840 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1841 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1842 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1843 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1844 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1845 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1846 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1847 1848 /* Secure Encrypted Virtualization command */ 1849 enum sev_cmd_id { 1850 /* Guest initialization commands */ 1851 KVM_SEV_INIT = 0, 1852 KVM_SEV_ES_INIT, 1853 /* Guest launch commands */ 1854 KVM_SEV_LAUNCH_START, 1855 KVM_SEV_LAUNCH_UPDATE_DATA, 1856 KVM_SEV_LAUNCH_UPDATE_VMSA, 1857 KVM_SEV_LAUNCH_SECRET, 1858 KVM_SEV_LAUNCH_MEASURE, 1859 KVM_SEV_LAUNCH_FINISH, 1860 /* Guest migration commands (outgoing) */ 1861 KVM_SEV_SEND_START, 1862 KVM_SEV_SEND_UPDATE_DATA, 1863 KVM_SEV_SEND_UPDATE_VMSA, 1864 KVM_SEV_SEND_FINISH, 1865 /* Guest migration commands (incoming) */ 1866 KVM_SEV_RECEIVE_START, 1867 KVM_SEV_RECEIVE_UPDATE_DATA, 1868 KVM_SEV_RECEIVE_UPDATE_VMSA, 1869 KVM_SEV_RECEIVE_FINISH, 1870 /* Guest status and debug commands */ 1871 KVM_SEV_GUEST_STATUS, 1872 KVM_SEV_DBG_DECRYPT, 1873 KVM_SEV_DBG_ENCRYPT, 1874 /* Guest certificates commands */ 1875 KVM_SEV_CERT_EXPORT, 1876 /* Attestation report */ 1877 KVM_SEV_GET_ATTESTATION_REPORT, 1878 /* Guest Migration Extension */ 1879 KVM_SEV_SEND_CANCEL, 1880 1881 KVM_SEV_NR_MAX, 1882 }; 1883 1884 struct kvm_sev_cmd { 1885 __u32 id; 1886 __u64 data; 1887 __u32 error; 1888 __u32 sev_fd; 1889 }; 1890 1891 struct kvm_sev_launch_start { 1892 __u32 handle; 1893 __u32 policy; 1894 __u64 dh_uaddr; 1895 __u32 dh_len; 1896 __u64 session_uaddr; 1897 __u32 session_len; 1898 }; 1899 1900 struct kvm_sev_launch_update_data { 1901 __u64 uaddr; 1902 __u32 len; 1903 }; 1904 1905 1906 struct kvm_sev_launch_secret { 1907 __u64 hdr_uaddr; 1908 __u32 hdr_len; 1909 __u64 guest_uaddr; 1910 __u32 guest_len; 1911 __u64 trans_uaddr; 1912 __u32 trans_len; 1913 }; 1914 1915 struct kvm_sev_launch_measure { 1916 __u64 uaddr; 1917 __u32 len; 1918 }; 1919 1920 struct kvm_sev_guest_status { 1921 __u32 handle; 1922 __u32 policy; 1923 __u32 state; 1924 }; 1925 1926 struct kvm_sev_dbg { 1927 __u64 src_uaddr; 1928 __u64 dst_uaddr; 1929 __u32 len; 1930 }; 1931 1932 struct kvm_sev_attestation_report { 1933 __u8 mnonce[16]; 1934 __u64 uaddr; 1935 __u32 len; 1936 }; 1937 1938 struct kvm_sev_send_start { 1939 __u32 policy; 1940 __u64 pdh_cert_uaddr; 1941 __u32 pdh_cert_len; 1942 __u64 plat_certs_uaddr; 1943 __u32 plat_certs_len; 1944 __u64 amd_certs_uaddr; 1945 __u32 amd_certs_len; 1946 __u64 session_uaddr; 1947 __u32 session_len; 1948 }; 1949 1950 struct kvm_sev_send_update_data { 1951 __u64 hdr_uaddr; 1952 __u32 hdr_len; 1953 __u64 guest_uaddr; 1954 __u32 guest_len; 1955 __u64 trans_uaddr; 1956 __u32 trans_len; 1957 }; 1958 1959 struct kvm_sev_receive_start { 1960 __u32 handle; 1961 __u32 policy; 1962 __u64 pdh_uaddr; 1963 __u32 pdh_len; 1964 __u64 session_uaddr; 1965 __u32 session_len; 1966 }; 1967 1968 struct kvm_sev_receive_update_data { 1969 __u64 hdr_uaddr; 1970 __u32 hdr_len; 1971 __u64 guest_uaddr; 1972 __u32 guest_len; 1973 __u64 trans_uaddr; 1974 __u32 trans_len; 1975 }; 1976 1977 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1978 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1979 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1980 1981 struct kvm_assigned_pci_dev { 1982 __u32 assigned_dev_id; 1983 __u32 busnr; 1984 __u32 devfn; 1985 __u32 flags; 1986 __u32 segnr; 1987 union { 1988 __u32 reserved[11]; 1989 }; 1990 }; 1991 1992 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1993 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1994 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1995 1996 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1997 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1998 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1999 2000 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 2001 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 2002 2003 struct kvm_assigned_irq { 2004 __u32 assigned_dev_id; 2005 __u32 host_irq; /* ignored (legacy field) */ 2006 __u32 guest_irq; 2007 __u32 flags; 2008 union { 2009 __u32 reserved[12]; 2010 }; 2011 }; 2012 2013 struct kvm_assigned_msix_nr { 2014 __u32 assigned_dev_id; 2015 __u16 entry_nr; 2016 __u16 padding; 2017 }; 2018 2019 #define KVM_MAX_MSIX_PER_DEV 256 2020 struct kvm_assigned_msix_entry { 2021 __u32 assigned_dev_id; 2022 __u32 gsi; 2023 __u16 entry; /* The index of entry in the MSI-X table */ 2024 __u16 padding[3]; 2025 }; 2026 2027 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 2028 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 2029 2030 /* Available with KVM_CAP_ARM_USER_IRQ */ 2031 2032 /* Bits for run->s.regs.device_irq_level */ 2033 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 2034 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 2035 #define KVM_ARM_DEV_PMU (1 << 2) 2036 2037 struct kvm_hyperv_eventfd { 2038 __u32 conn_id; 2039 __s32 fd; 2040 __u32 flags; 2041 __u32 padding[3]; 2042 }; 2043 2044 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 2045 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 2046 2047 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 2048 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 2049 2050 /* 2051 * Arch needs to define the macro after implementing the dirty ring 2052 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 2053 * starting page offset of the dirty ring structures. 2054 */ 2055 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 2056 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 2057 #endif 2058 2059 /* 2060 * KVM dirty GFN flags, defined as: 2061 * 2062 * |---------------+---------------+--------------| 2063 * | bit 1 (reset) | bit 0 (dirty) | Status | 2064 * |---------------+---------------+--------------| 2065 * | 0 | 0 | Invalid GFN | 2066 * | 0 | 1 | Dirty GFN | 2067 * | 1 | X | GFN to reset | 2068 * |---------------+---------------+--------------| 2069 * 2070 * Lifecycle of a dirty GFN goes like: 2071 * 2072 * dirtied harvested reset 2073 * 00 -----------> 01 -------------> 1X -------+ 2074 * ^ | 2075 * | | 2076 * +------------------------------------------+ 2077 * 2078 * The userspace program is only responsible for the 01->1X state 2079 * conversion after harvesting an entry. Also, it must not skip any 2080 * dirty bits, so that dirty bits are always harvested in sequence. 2081 */ 2082 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2083 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2084 #define KVM_DIRTY_GFN_F_MASK 0x3 2085 2086 /* 2087 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2088 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2089 * size of the gfn buffer is decided by the first argument when 2090 * enabling KVM_CAP_DIRTY_LOG_RING. 2091 */ 2092 struct kvm_dirty_gfn { 2093 __u32 flags; 2094 __u32 slot; 2095 __u64 offset; 2096 }; 2097 2098 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2099 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2100 2101 #define KVM_PMU_CAP_DISABLE (1 << 0) 2102 2103 /** 2104 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2105 * @flags: Some extra information for header, always 0 for now. 2106 * @name_size: The size in bytes of the memory which contains statistics 2107 * name string including trailing '\0'. The memory is allocated 2108 * at the send of statistics descriptor. 2109 * @num_desc: The number of statistics the vm or vcpu has. 2110 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2111 * by vm/vcpu stats fd. 2112 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2113 * pointd by vm/vcpu stats fd. 2114 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2115 * pointed by vm/vcpu stats fd. 2116 * 2117 * This is the header userspace needs to read from stats fd before any other 2118 * readings. It is used by userspace to discover all the information about the 2119 * vm/vcpu's binary statistics. 2120 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2121 */ 2122 struct kvm_stats_header { 2123 __u32 flags; 2124 __u32 name_size; 2125 __u32 num_desc; 2126 __u32 id_offset; 2127 __u32 desc_offset; 2128 __u32 data_offset; 2129 }; 2130 2131 #define KVM_STATS_TYPE_SHIFT 0 2132 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2133 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2134 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2135 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2136 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2137 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2138 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2139 2140 #define KVM_STATS_UNIT_SHIFT 4 2141 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2142 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2143 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2144 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2145 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2146 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES 2147 2148 #define KVM_STATS_BASE_SHIFT 8 2149 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2150 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2151 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2152 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2153 2154 /** 2155 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2156 * @flags: Annotations of the stats, like type, unit, etc. 2157 * @exponent: Used together with @flags to determine the unit. 2158 * @size: The number of data items for this stats. 2159 * Every data item is of type __u64. 2160 * @offset: The offset of the stats to the start of stat structure in 2161 * structure kvm or kvm_vcpu. 2162 * @bucket_size: A parameter value used for histogram stats. It is only used 2163 * for linear histogram stats, specifying the size of the bucket; 2164 * @name: The name string for the stats. Its size is indicated by the 2165 * &kvm_stats_header->name_size. 2166 */ 2167 struct kvm_stats_desc { 2168 __u32 flags; 2169 __s16 exponent; 2170 __u16 size; 2171 __u32 offset; 2172 __u32 bucket_size; 2173 char name[]; 2174 }; 2175 2176 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2177 2178 /* Available with KVM_CAP_XSAVE2 */ 2179 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2180 2181 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 2182 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 2183 2184 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 2185 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 2186 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 2187 2188 #endif /* __LINUX_KVM_H */ 2189