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_RISCV_CSR 36 274 #define KVM_EXIT_NOTIFY 37 275 276 /* For KVM_EXIT_INTERNAL_ERROR */ 277 /* Emulate instruction failed. */ 278 #define KVM_INTERNAL_ERROR_EMULATION 1 279 /* Encounter unexpected simultaneous exceptions. */ 280 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 281 /* Encounter unexpected vm-exit due to delivery event. */ 282 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 283 /* Encounter unexpected vm-exit reason */ 284 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 285 286 /* Flags that describe what fields in emulation_failure hold valid data. */ 287 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 288 289 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 290 struct kvm_run { 291 /* in */ 292 __u8 request_interrupt_window; 293 __u8 immediate_exit; 294 __u8 padding1[6]; 295 296 /* out */ 297 __u32 exit_reason; 298 __u8 ready_for_interrupt_injection; 299 __u8 if_flag; 300 __u16 flags; 301 302 /* in (pre_kvm_run), out (post_kvm_run) */ 303 __u64 cr8; 304 __u64 apic_base; 305 306 #ifdef __KVM_S390 307 /* the processor status word for s390 */ 308 __u64 psw_mask; /* psw upper half */ 309 __u64 psw_addr; /* psw lower half */ 310 #endif 311 union { 312 /* KVM_EXIT_UNKNOWN */ 313 struct { 314 __u64 hardware_exit_reason; 315 } hw; 316 /* KVM_EXIT_FAIL_ENTRY */ 317 struct { 318 __u64 hardware_entry_failure_reason; 319 __u32 cpu; 320 } fail_entry; 321 /* KVM_EXIT_EXCEPTION */ 322 struct { 323 __u32 exception; 324 __u32 error_code; 325 } ex; 326 /* KVM_EXIT_IO */ 327 struct { 328 #define KVM_EXIT_IO_IN 0 329 #define KVM_EXIT_IO_OUT 1 330 __u8 direction; 331 __u8 size; /* bytes */ 332 __u16 port; 333 __u32 count; 334 __u64 data_offset; /* relative to kvm_run start */ 335 } io; 336 /* KVM_EXIT_DEBUG */ 337 struct { 338 struct kvm_debug_exit_arch arch; 339 } debug; 340 /* KVM_EXIT_MMIO */ 341 struct { 342 __u64 phys_addr; 343 __u8 data[8]; 344 __u32 len; 345 __u8 is_write; 346 } mmio; 347 /* KVM_EXIT_HYPERCALL */ 348 struct { 349 __u64 nr; 350 __u64 args[6]; 351 __u64 ret; 352 __u32 longmode; 353 __u32 pad; 354 } hypercall; 355 /* KVM_EXIT_TPR_ACCESS */ 356 struct { 357 __u64 rip; 358 __u32 is_write; 359 __u32 pad; 360 } tpr_access; 361 /* KVM_EXIT_S390_SIEIC */ 362 struct { 363 __u8 icptcode; 364 __u16 ipa; 365 __u32 ipb; 366 } s390_sieic; 367 /* KVM_EXIT_S390_RESET */ 368 #define KVM_S390_RESET_POR 1 369 #define KVM_S390_RESET_CLEAR 2 370 #define KVM_S390_RESET_SUBSYSTEM 4 371 #define KVM_S390_RESET_CPU_INIT 8 372 #define KVM_S390_RESET_IPL 16 373 __u64 s390_reset_flags; 374 /* KVM_EXIT_S390_UCONTROL */ 375 struct { 376 __u64 trans_exc_code; 377 __u32 pgm_code; 378 } s390_ucontrol; 379 /* KVM_EXIT_DCR (deprecated) */ 380 struct { 381 __u32 dcrn; 382 __u32 data; 383 __u8 is_write; 384 } dcr; 385 /* KVM_EXIT_INTERNAL_ERROR */ 386 struct { 387 __u32 suberror; 388 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 389 __u32 ndata; 390 __u64 data[16]; 391 } internal; 392 /* 393 * KVM_INTERNAL_ERROR_EMULATION 394 * 395 * "struct emulation_failure" is an overlay of "struct internal" 396 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 397 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 398 * sub-types, this struct is ABI! It also needs to be backwards 399 * compatible with "struct internal". Take special care that 400 * "ndata" is correct, that new fields are enumerated in "flags", 401 * and that each flag enumerates fields that are 64-bit aligned 402 * and sized (so that ndata+internal.data[] is valid/accurate). 403 * 404 * Space beyond the defined fields may be used to store arbitrary 405 * debug information relating to the emulation failure. It is 406 * accounted for in "ndata" but the format is unspecified and is 407 * not represented in "flags". Any such information is *not* ABI! 408 */ 409 struct { 410 __u32 suberror; 411 __u32 ndata; 412 __u64 flags; 413 union { 414 struct { 415 __u8 insn_size; 416 __u8 insn_bytes[15]; 417 }; 418 }; 419 /* Arbitrary debug data may follow. */ 420 } emulation_failure; 421 /* KVM_EXIT_OSI */ 422 struct { 423 __u64 gprs[32]; 424 } osi; 425 /* KVM_EXIT_PAPR_HCALL */ 426 struct { 427 __u64 nr; 428 __u64 ret; 429 __u64 args[9]; 430 } papr_hcall; 431 /* KVM_EXIT_S390_TSCH */ 432 struct { 433 __u16 subchannel_id; 434 __u16 subchannel_nr; 435 __u32 io_int_parm; 436 __u32 io_int_word; 437 __u32 ipb; 438 __u8 dequeued; 439 } s390_tsch; 440 /* KVM_EXIT_EPR */ 441 struct { 442 __u32 epr; 443 } epr; 444 /* KVM_EXIT_SYSTEM_EVENT */ 445 struct { 446 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 447 #define KVM_SYSTEM_EVENT_RESET 2 448 #define KVM_SYSTEM_EVENT_CRASH 3 449 #define KVM_SYSTEM_EVENT_WAKEUP 4 450 #define KVM_SYSTEM_EVENT_SUSPEND 5 451 #define KVM_SYSTEM_EVENT_SEV_TERM 6 452 __u32 type; 453 __u32 ndata; 454 union { 455 #ifndef __KERNEL__ 456 __u64 flags; 457 #endif 458 __u64 data[16]; 459 }; 460 } system_event; 461 /* KVM_EXIT_S390_STSI */ 462 struct { 463 __u64 addr; 464 __u8 ar; 465 __u8 reserved; 466 __u8 fc; 467 __u8 sel1; 468 __u16 sel2; 469 } s390_stsi; 470 /* KVM_EXIT_IOAPIC_EOI */ 471 struct { 472 __u8 vector; 473 } eoi; 474 /* KVM_EXIT_HYPERV */ 475 struct kvm_hyperv_exit hyperv; 476 /* KVM_EXIT_ARM_NISV */ 477 struct { 478 __u64 esr_iss; 479 __u64 fault_ipa; 480 } arm_nisv; 481 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 482 struct { 483 __u8 error; /* user -> kernel */ 484 __u8 pad[7]; 485 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 486 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 487 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 488 __u32 reason; /* kernel -> user */ 489 __u32 index; /* kernel -> user */ 490 __u64 data; /* kernel <-> user */ 491 } msr; 492 /* KVM_EXIT_XEN */ 493 struct kvm_xen_exit xen; 494 /* KVM_EXIT_RISCV_SBI */ 495 struct { 496 unsigned long extension_id; 497 unsigned long function_id; 498 unsigned long args[6]; 499 unsigned long ret[2]; 500 } riscv_sbi; 501 /* KVM_EXIT_RISCV_CSR */ 502 struct { 503 unsigned long csr_num; 504 unsigned long new_value; 505 unsigned long write_mask; 506 unsigned long ret_value; 507 } riscv_csr; 508 /* KVM_EXIT_NOTIFY */ 509 struct { 510 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 511 __u32 flags; 512 } notify; 513 /* Fix the size of the union. */ 514 char padding[256]; 515 }; 516 517 /* 2048 is the size of the char array used to bound/pad the size 518 * of the union that holds sync regs. 519 */ 520 #define SYNC_REGS_SIZE_BYTES 2048 521 /* 522 * shared registers between kvm and userspace. 523 * kvm_valid_regs specifies the register classes set by the host 524 * kvm_dirty_regs specified the register classes dirtied by userspace 525 * struct kvm_sync_regs is architecture specific, as well as the 526 * bits for kvm_valid_regs and kvm_dirty_regs 527 */ 528 __u64 kvm_valid_regs; 529 __u64 kvm_dirty_regs; 530 union { 531 struct kvm_sync_regs regs; 532 char padding[SYNC_REGS_SIZE_BYTES]; 533 } s; 534 }; 535 536 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 537 538 struct kvm_coalesced_mmio_zone { 539 __u64 addr; 540 __u32 size; 541 union { 542 __u32 pad; 543 __u32 pio; 544 }; 545 }; 546 547 struct kvm_coalesced_mmio { 548 __u64 phys_addr; 549 __u32 len; 550 union { 551 __u32 pad; 552 __u32 pio; 553 }; 554 __u8 data[8]; 555 }; 556 557 struct kvm_coalesced_mmio_ring { 558 __u32 first, last; 559 struct kvm_coalesced_mmio coalesced_mmio[]; 560 }; 561 562 #define KVM_COALESCED_MMIO_MAX \ 563 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 564 sizeof(struct kvm_coalesced_mmio)) 565 566 /* for KVM_TRANSLATE */ 567 struct kvm_translation { 568 /* in */ 569 __u64 linear_address; 570 571 /* out */ 572 __u64 physical_address; 573 __u8 valid; 574 __u8 writeable; 575 __u8 usermode; 576 __u8 pad[5]; 577 }; 578 579 /* for KVM_S390_MEM_OP */ 580 struct kvm_s390_mem_op { 581 /* in */ 582 __u64 gaddr; /* the guest address */ 583 __u64 flags; /* flags */ 584 __u32 size; /* amount of bytes */ 585 __u32 op; /* type of operation */ 586 __u64 buf; /* buffer in userspace */ 587 union { 588 struct { 589 __u8 ar; /* the access register number */ 590 __u8 key; /* access key, ignored if flag unset */ 591 }; 592 __u32 sida_offset; /* offset into the sida */ 593 __u8 reserved[32]; /* ignored */ 594 }; 595 }; 596 /* types for kvm_s390_mem_op->op */ 597 #define KVM_S390_MEMOP_LOGICAL_READ 0 598 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 599 #define KVM_S390_MEMOP_SIDA_READ 2 600 #define KVM_S390_MEMOP_SIDA_WRITE 3 601 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 602 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 603 /* flags for kvm_s390_mem_op->flags */ 604 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 605 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 606 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) 607 608 /* for KVM_INTERRUPT */ 609 struct kvm_interrupt { 610 /* in */ 611 __u32 irq; 612 }; 613 614 /* for KVM_GET_DIRTY_LOG */ 615 struct kvm_dirty_log { 616 __u32 slot; 617 __u32 padding1; 618 union { 619 void __user *dirty_bitmap; /* one bit per page */ 620 __u64 padding2; 621 }; 622 }; 623 624 /* for KVM_CLEAR_DIRTY_LOG */ 625 struct kvm_clear_dirty_log { 626 __u32 slot; 627 __u32 num_pages; 628 __u64 first_page; 629 union { 630 void __user *dirty_bitmap; /* one bit per page */ 631 __u64 padding2; 632 }; 633 }; 634 635 /* for KVM_SET_SIGNAL_MASK */ 636 struct kvm_signal_mask { 637 __u32 len; 638 __u8 sigset[]; 639 }; 640 641 /* for KVM_TPR_ACCESS_REPORTING */ 642 struct kvm_tpr_access_ctl { 643 __u32 enabled; 644 __u32 flags; 645 __u32 reserved[8]; 646 }; 647 648 /* for KVM_SET_VAPIC_ADDR */ 649 struct kvm_vapic_addr { 650 __u64 vapic_addr; 651 }; 652 653 /* for KVM_SET_MP_STATE */ 654 655 /* not all states are valid on all architectures */ 656 #define KVM_MP_STATE_RUNNABLE 0 657 #define KVM_MP_STATE_UNINITIALIZED 1 658 #define KVM_MP_STATE_INIT_RECEIVED 2 659 #define KVM_MP_STATE_HALTED 3 660 #define KVM_MP_STATE_SIPI_RECEIVED 4 661 #define KVM_MP_STATE_STOPPED 5 662 #define KVM_MP_STATE_CHECK_STOP 6 663 #define KVM_MP_STATE_OPERATING 7 664 #define KVM_MP_STATE_LOAD 8 665 #define KVM_MP_STATE_AP_RESET_HOLD 9 666 #define KVM_MP_STATE_SUSPENDED 10 667 668 struct kvm_mp_state { 669 __u32 mp_state; 670 }; 671 672 struct kvm_s390_psw { 673 __u64 mask; 674 __u64 addr; 675 }; 676 677 /* valid values for type in kvm_s390_interrupt */ 678 #define KVM_S390_SIGP_STOP 0xfffe0000u 679 #define KVM_S390_PROGRAM_INT 0xfffe0001u 680 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 681 #define KVM_S390_RESTART 0xfffe0003u 682 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 683 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 684 #define KVM_S390_MCHK 0xfffe1000u 685 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 686 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 687 #define KVM_S390_INT_VIRTIO 0xffff2603u 688 #define KVM_S390_INT_SERVICE 0xffff2401u 689 #define KVM_S390_INT_EMERGENCY 0xffff1201u 690 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 691 /* Anything below 0xfffe0000u is taken by INT_IO */ 692 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 693 (((schid)) | \ 694 ((ssid) << 16) | \ 695 ((cssid) << 18) | \ 696 ((ai) << 26)) 697 #define KVM_S390_INT_IO_MIN 0x00000000u 698 #define KVM_S390_INT_IO_MAX 0xfffdffffu 699 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 700 701 702 struct kvm_s390_interrupt { 703 __u32 type; 704 __u32 parm; 705 __u64 parm64; 706 }; 707 708 struct kvm_s390_io_info { 709 __u16 subchannel_id; 710 __u16 subchannel_nr; 711 __u32 io_int_parm; 712 __u32 io_int_word; 713 }; 714 715 struct kvm_s390_ext_info { 716 __u32 ext_params; 717 __u32 pad; 718 __u64 ext_params2; 719 }; 720 721 struct kvm_s390_pgm_info { 722 __u64 trans_exc_code; 723 __u64 mon_code; 724 __u64 per_address; 725 __u32 data_exc_code; 726 __u16 code; 727 __u16 mon_class_nr; 728 __u8 per_code; 729 __u8 per_atmid; 730 __u8 exc_access_id; 731 __u8 per_access_id; 732 __u8 op_access_id; 733 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 734 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 735 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 736 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 737 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 738 __u8 flags; 739 __u8 pad[2]; 740 }; 741 742 struct kvm_s390_prefix_info { 743 __u32 address; 744 }; 745 746 struct kvm_s390_extcall_info { 747 __u16 code; 748 }; 749 750 struct kvm_s390_emerg_info { 751 __u16 code; 752 }; 753 754 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 755 struct kvm_s390_stop_info { 756 __u32 flags; 757 }; 758 759 struct kvm_s390_mchk_info { 760 __u64 cr14; 761 __u64 mcic; 762 __u64 failing_storage_address; 763 __u32 ext_damage_code; 764 __u32 pad; 765 __u8 fixed_logout[16]; 766 }; 767 768 struct kvm_s390_irq { 769 __u64 type; 770 union { 771 struct kvm_s390_io_info io; 772 struct kvm_s390_ext_info ext; 773 struct kvm_s390_pgm_info pgm; 774 struct kvm_s390_emerg_info emerg; 775 struct kvm_s390_extcall_info extcall; 776 struct kvm_s390_prefix_info prefix; 777 struct kvm_s390_stop_info stop; 778 struct kvm_s390_mchk_info mchk; 779 char reserved[64]; 780 } u; 781 }; 782 783 struct kvm_s390_irq_state { 784 __u64 buf; 785 __u32 flags; /* will stay unused for compatibility reasons */ 786 __u32 len; 787 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 788 }; 789 790 /* for KVM_SET_GUEST_DEBUG */ 791 792 #define KVM_GUESTDBG_ENABLE 0x00000001 793 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 794 795 struct kvm_guest_debug { 796 __u32 control; 797 __u32 pad; 798 struct kvm_guest_debug_arch arch; 799 }; 800 801 enum { 802 kvm_ioeventfd_flag_nr_datamatch, 803 kvm_ioeventfd_flag_nr_pio, 804 kvm_ioeventfd_flag_nr_deassign, 805 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 806 kvm_ioeventfd_flag_nr_fast_mmio, 807 kvm_ioeventfd_flag_nr_max, 808 }; 809 810 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 811 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 812 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 813 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 814 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 815 816 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 817 818 struct kvm_ioeventfd { 819 __u64 datamatch; 820 __u64 addr; /* legal pio/mmio address */ 821 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 822 __s32 fd; 823 __u32 flags; 824 __u8 pad[36]; 825 }; 826 827 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 828 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 829 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 830 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 831 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 832 KVM_X86_DISABLE_EXITS_HLT | \ 833 KVM_X86_DISABLE_EXITS_PAUSE | \ 834 KVM_X86_DISABLE_EXITS_CSTATE) 835 836 /* for KVM_ENABLE_CAP */ 837 struct kvm_enable_cap { 838 /* in */ 839 __u32 cap; 840 __u32 flags; 841 __u64 args[4]; 842 __u8 pad[64]; 843 }; 844 845 /* for KVM_PPC_GET_PVINFO */ 846 847 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 848 849 struct kvm_ppc_pvinfo { 850 /* out */ 851 __u32 flags; 852 __u32 hcall[4]; 853 __u8 pad[108]; 854 }; 855 856 /* for KVM_PPC_GET_SMMU_INFO */ 857 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 858 859 struct kvm_ppc_one_page_size { 860 __u32 page_shift; /* Page shift (or 0) */ 861 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 862 }; 863 864 struct kvm_ppc_one_seg_page_size { 865 __u32 page_shift; /* Base page shift of segment (or 0) */ 866 __u32 slb_enc; /* SLB encoding for BookS */ 867 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 868 }; 869 870 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 871 #define KVM_PPC_1T_SEGMENTS 0x00000002 872 #define KVM_PPC_NO_HASH 0x00000004 873 874 struct kvm_ppc_smmu_info { 875 __u64 flags; 876 __u32 slb_size; 877 __u16 data_keys; /* # storage keys supported for data */ 878 __u16 instr_keys; /* # storage keys supported for instructions */ 879 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 880 }; 881 882 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 883 struct kvm_ppc_resize_hpt { 884 __u64 flags; 885 __u32 shift; 886 __u32 pad; 887 }; 888 889 #define KVMIO 0xAE 890 891 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 892 #define KVM_VM_S390_UCONTROL 1 893 894 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 895 #define KVM_VM_PPC_HV 1 896 #define KVM_VM_PPC_PR 2 897 898 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 899 #define KVM_VM_MIPS_AUTO 0 900 #define KVM_VM_MIPS_VZ 1 901 #define KVM_VM_MIPS_TE 2 902 903 #define KVM_S390_SIE_PAGE_OFFSET 1 904 905 /* 906 * On arm64, machine type can be used to request the physical 907 * address size for the VM. Bits[7-0] are reserved for the guest 908 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 909 * value 0 implies the default IPA size, 40bits. 910 */ 911 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 912 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 913 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 914 /* 915 * ioctls for /dev/kvm fds: 916 */ 917 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 918 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 919 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 920 921 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 922 /* 923 * Check if a kvm extension is available. Argument is extension number, 924 * return is 1 (yes) or 0 (no, sorry). 925 */ 926 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 927 /* 928 * Get size for mmap(vcpu_fd) 929 */ 930 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 931 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 932 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 933 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 934 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 935 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 936 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 937 938 /* 939 * Extension capability list. 940 */ 941 #define KVM_CAP_IRQCHIP 0 942 #define KVM_CAP_HLT 1 943 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 944 #define KVM_CAP_USER_MEMORY 3 945 #define KVM_CAP_SET_TSS_ADDR 4 946 #define KVM_CAP_VAPIC 6 947 #define KVM_CAP_EXT_CPUID 7 948 #define KVM_CAP_CLOCKSOURCE 8 949 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 950 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 951 #define KVM_CAP_PIT 11 952 #define KVM_CAP_NOP_IO_DELAY 12 953 #define KVM_CAP_PV_MMU 13 954 #define KVM_CAP_MP_STATE 14 955 #define KVM_CAP_COALESCED_MMIO 15 956 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 957 #define KVM_CAP_IOMMU 18 958 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 959 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 960 #define KVM_CAP_USER_NMI 22 961 #ifdef __KVM_HAVE_GUEST_DEBUG 962 #define KVM_CAP_SET_GUEST_DEBUG 23 963 #endif 964 #ifdef __KVM_HAVE_PIT 965 #define KVM_CAP_REINJECT_CONTROL 24 966 #endif 967 #define KVM_CAP_IRQ_ROUTING 25 968 #define KVM_CAP_IRQ_INJECT_STATUS 26 969 #define KVM_CAP_ASSIGN_DEV_IRQ 29 970 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 971 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 972 #ifdef __KVM_HAVE_MCE 973 #define KVM_CAP_MCE 31 974 #endif 975 #define KVM_CAP_IRQFD 32 976 #ifdef __KVM_HAVE_PIT 977 #define KVM_CAP_PIT2 33 978 #endif 979 #define KVM_CAP_SET_BOOT_CPU_ID 34 980 #ifdef __KVM_HAVE_PIT_STATE2 981 #define KVM_CAP_PIT_STATE2 35 982 #endif 983 #define KVM_CAP_IOEVENTFD 36 984 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 985 #ifdef __KVM_HAVE_XEN_HVM 986 #define KVM_CAP_XEN_HVM 38 987 #endif 988 #define KVM_CAP_ADJUST_CLOCK 39 989 #define KVM_CAP_INTERNAL_ERROR_DATA 40 990 #ifdef __KVM_HAVE_VCPU_EVENTS 991 #define KVM_CAP_VCPU_EVENTS 41 992 #endif 993 #define KVM_CAP_S390_PSW 42 994 #define KVM_CAP_PPC_SEGSTATE 43 995 #define KVM_CAP_HYPERV 44 996 #define KVM_CAP_HYPERV_VAPIC 45 997 #define KVM_CAP_HYPERV_SPIN 46 998 #define KVM_CAP_PCI_SEGMENT 47 999 #define KVM_CAP_PPC_PAIRED_SINGLES 48 1000 #define KVM_CAP_INTR_SHADOW 49 1001 #ifdef __KVM_HAVE_DEBUGREGS 1002 #define KVM_CAP_DEBUGREGS 50 1003 #endif 1004 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 1005 #define KVM_CAP_PPC_OSI 52 1006 #define KVM_CAP_PPC_UNSET_IRQ 53 1007 #define KVM_CAP_ENABLE_CAP 54 1008 #ifdef __KVM_HAVE_XSAVE 1009 #define KVM_CAP_XSAVE 55 1010 #endif 1011 #ifdef __KVM_HAVE_XCRS 1012 #define KVM_CAP_XCRS 56 1013 #endif 1014 #define KVM_CAP_PPC_GET_PVINFO 57 1015 #define KVM_CAP_PPC_IRQ_LEVEL 58 1016 #define KVM_CAP_ASYNC_PF 59 1017 #define KVM_CAP_TSC_CONTROL 60 1018 #define KVM_CAP_GET_TSC_KHZ 61 1019 #define KVM_CAP_PPC_BOOKE_SREGS 62 1020 #define KVM_CAP_SPAPR_TCE 63 1021 #define KVM_CAP_PPC_SMT 64 1022 #define KVM_CAP_PPC_RMA 65 1023 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 1024 #define KVM_CAP_PPC_HIOR 67 1025 #define KVM_CAP_PPC_PAPR 68 1026 #define KVM_CAP_SW_TLB 69 1027 #define KVM_CAP_ONE_REG 70 1028 #define KVM_CAP_S390_GMAP 71 1029 #define KVM_CAP_TSC_DEADLINE_TIMER 72 1030 #define KVM_CAP_S390_UCONTROL 73 1031 #define KVM_CAP_SYNC_REGS 74 1032 #define KVM_CAP_PCI_2_3 75 1033 #define KVM_CAP_KVMCLOCK_CTRL 76 1034 #define KVM_CAP_SIGNAL_MSI 77 1035 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1036 #define KVM_CAP_S390_COW 79 1037 #define KVM_CAP_PPC_ALLOC_HTAB 80 1038 #define KVM_CAP_READONLY_MEM 81 1039 #define KVM_CAP_IRQFD_RESAMPLE 82 1040 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1041 #define KVM_CAP_PPC_HTAB_FD 84 1042 #define KVM_CAP_S390_CSS_SUPPORT 85 1043 #define KVM_CAP_PPC_EPR 86 1044 #define KVM_CAP_ARM_PSCI 87 1045 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1046 #define KVM_CAP_DEVICE_CTRL 89 1047 #define KVM_CAP_IRQ_MPIC 90 1048 #define KVM_CAP_PPC_RTAS 91 1049 #define KVM_CAP_IRQ_XICS 92 1050 #define KVM_CAP_ARM_EL1_32BIT 93 1051 #define KVM_CAP_SPAPR_MULTITCE 94 1052 #define KVM_CAP_EXT_EMUL_CPUID 95 1053 #define KVM_CAP_HYPERV_TIME 96 1054 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1055 #define KVM_CAP_ENABLE_CAP_VM 98 1056 #define KVM_CAP_S390_IRQCHIP 99 1057 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1058 #define KVM_CAP_VM_ATTRIBUTES 101 1059 #define KVM_CAP_ARM_PSCI_0_2 102 1060 #define KVM_CAP_PPC_FIXUP_HCALL 103 1061 #define KVM_CAP_PPC_ENABLE_HCALL 104 1062 #define KVM_CAP_CHECK_EXTENSION_VM 105 1063 #define KVM_CAP_S390_USER_SIGP 106 1064 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1065 #define KVM_CAP_S390_MEM_OP 108 1066 #define KVM_CAP_S390_USER_STSI 109 1067 #define KVM_CAP_S390_SKEYS 110 1068 #define KVM_CAP_MIPS_FPU 111 1069 #define KVM_CAP_MIPS_MSA 112 1070 #define KVM_CAP_S390_INJECT_IRQ 113 1071 #define KVM_CAP_S390_IRQ_STATE 114 1072 #define KVM_CAP_PPC_HWRNG 115 1073 #define KVM_CAP_DISABLE_QUIRKS 116 1074 #define KVM_CAP_X86_SMM 117 1075 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1076 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1077 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1078 #define KVM_CAP_SPLIT_IRQCHIP 121 1079 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1080 #define KVM_CAP_HYPERV_SYNIC 123 1081 #define KVM_CAP_S390_RI 124 1082 #define KVM_CAP_SPAPR_TCE_64 125 1083 #define KVM_CAP_ARM_PMU_V3 126 1084 #define KVM_CAP_VCPU_ATTRIBUTES 127 1085 #define KVM_CAP_MAX_VCPU_ID 128 1086 #define KVM_CAP_X2APIC_API 129 1087 #define KVM_CAP_S390_USER_INSTR0 130 1088 #define KVM_CAP_MSI_DEVID 131 1089 #define KVM_CAP_PPC_HTM 132 1090 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1091 #define KVM_CAP_PPC_MMU_RADIX 134 1092 #define KVM_CAP_PPC_MMU_HASH_V3 135 1093 #define KVM_CAP_IMMEDIATE_EXIT 136 1094 #define KVM_CAP_MIPS_VZ 137 1095 #define KVM_CAP_MIPS_TE 138 1096 #define KVM_CAP_MIPS_64BIT 139 1097 #define KVM_CAP_S390_GS 140 1098 #define KVM_CAP_S390_AIS 141 1099 #define KVM_CAP_SPAPR_TCE_VFIO 142 1100 #define KVM_CAP_X86_DISABLE_EXITS 143 1101 #define KVM_CAP_ARM_USER_IRQ 144 1102 #define KVM_CAP_S390_CMMA_MIGRATION 145 1103 #define KVM_CAP_PPC_FWNMI 146 1104 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1105 #define KVM_CAP_HYPERV_SYNIC2 148 1106 #define KVM_CAP_HYPERV_VP_INDEX 149 1107 #define KVM_CAP_S390_AIS_MIGRATION 150 1108 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1109 #define KVM_CAP_S390_BPB 152 1110 #define KVM_CAP_GET_MSR_FEATURES 153 1111 #define KVM_CAP_HYPERV_EVENTFD 154 1112 #define KVM_CAP_HYPERV_TLBFLUSH 155 1113 #define KVM_CAP_S390_HPAGE_1M 156 1114 #define KVM_CAP_NESTED_STATE 157 1115 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1116 #define KVM_CAP_MSR_PLATFORM_INFO 159 1117 #define KVM_CAP_PPC_NESTED_HV 160 1118 #define KVM_CAP_HYPERV_SEND_IPI 161 1119 #define KVM_CAP_COALESCED_PIO 162 1120 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1121 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1122 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1123 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1124 #define KVM_CAP_HYPERV_CPUID 167 1125 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1126 #define KVM_CAP_PPC_IRQ_XIVE 169 1127 #define KVM_CAP_ARM_SVE 170 1128 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1129 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1130 #define KVM_CAP_PMU_EVENT_FILTER 173 1131 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1132 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1133 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1134 #define KVM_CAP_ARM_NISV_TO_USER 177 1135 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1136 #define KVM_CAP_S390_VCPU_RESETS 179 1137 #define KVM_CAP_S390_PROTECTED 180 1138 #define KVM_CAP_PPC_SECURE_GUEST 181 1139 #define KVM_CAP_HALT_POLL 182 1140 #define KVM_CAP_ASYNC_PF_INT 183 1141 #define KVM_CAP_LAST_CPU 184 1142 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1143 #define KVM_CAP_S390_DIAG318 186 1144 #define KVM_CAP_STEAL_TIME 187 1145 #define KVM_CAP_X86_USER_SPACE_MSR 188 1146 #define KVM_CAP_X86_MSR_FILTER 189 1147 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1148 #define KVM_CAP_SYS_HYPERV_CPUID 191 1149 #define KVM_CAP_DIRTY_LOG_RING 192 1150 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1151 #define KVM_CAP_PPC_DAWR1 194 1152 #define KVM_CAP_SET_GUEST_DEBUG2 195 1153 #define KVM_CAP_SGX_ATTRIBUTE 196 1154 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1155 #define KVM_CAP_PTP_KVM 198 1156 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1157 #define KVM_CAP_SREGS2 200 1158 #define KVM_CAP_EXIT_HYPERCALL 201 1159 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1160 #define KVM_CAP_BINARY_STATS_FD 203 1161 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1162 #define KVM_CAP_ARM_MTE 205 1163 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1164 #define KVM_CAP_VM_GPA_BITS 207 1165 #define KVM_CAP_XSAVE2 208 1166 #define KVM_CAP_SYS_ATTRIBUTES 209 1167 #define KVM_CAP_PPC_AIL_MODE_3 210 1168 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1169 #define KVM_CAP_PMU_CAPABILITY 212 1170 #define KVM_CAP_DISABLE_QUIRKS2 213 1171 #define KVM_CAP_VM_TSC_CONTROL 214 1172 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1173 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1174 #define KVM_CAP_S390_PROTECTED_DUMP 217 1175 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 1176 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 1177 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 1178 #define KVM_CAP_S390_ZPCI_OP 221 1179 #define KVM_CAP_S390_CPU_TOPOLOGY 222 1180 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 1181 1182 #ifdef KVM_CAP_IRQ_ROUTING 1183 1184 struct kvm_irq_routing_irqchip { 1185 __u32 irqchip; 1186 __u32 pin; 1187 }; 1188 1189 struct kvm_irq_routing_msi { 1190 __u32 address_lo; 1191 __u32 address_hi; 1192 __u32 data; 1193 union { 1194 __u32 pad; 1195 __u32 devid; 1196 }; 1197 }; 1198 1199 struct kvm_irq_routing_s390_adapter { 1200 __u64 ind_addr; 1201 __u64 summary_addr; 1202 __u64 ind_offset; 1203 __u32 summary_offset; 1204 __u32 adapter_id; 1205 }; 1206 1207 struct kvm_irq_routing_hv_sint { 1208 __u32 vcpu; 1209 __u32 sint; 1210 }; 1211 1212 struct kvm_irq_routing_xen_evtchn { 1213 __u32 port; 1214 __u32 vcpu; 1215 __u32 priority; 1216 }; 1217 1218 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1219 1220 /* gsi routing entry types */ 1221 #define KVM_IRQ_ROUTING_IRQCHIP 1 1222 #define KVM_IRQ_ROUTING_MSI 2 1223 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1224 #define KVM_IRQ_ROUTING_HV_SINT 4 1225 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1226 1227 struct kvm_irq_routing_entry { 1228 __u32 gsi; 1229 __u32 type; 1230 __u32 flags; 1231 __u32 pad; 1232 union { 1233 struct kvm_irq_routing_irqchip irqchip; 1234 struct kvm_irq_routing_msi msi; 1235 struct kvm_irq_routing_s390_adapter adapter; 1236 struct kvm_irq_routing_hv_sint hv_sint; 1237 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1238 __u32 pad[8]; 1239 } u; 1240 }; 1241 1242 struct kvm_irq_routing { 1243 __u32 nr; 1244 __u32 flags; 1245 struct kvm_irq_routing_entry entries[]; 1246 }; 1247 1248 #endif 1249 1250 #ifdef KVM_CAP_MCE 1251 /* x86 MCE */ 1252 struct kvm_x86_mce { 1253 __u64 status; 1254 __u64 addr; 1255 __u64 misc; 1256 __u64 mcg_status; 1257 __u8 bank; 1258 __u8 pad1[7]; 1259 __u64 pad2[3]; 1260 }; 1261 #endif 1262 1263 #ifdef KVM_CAP_XEN_HVM 1264 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1265 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1266 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1267 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1268 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1269 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1270 1271 struct kvm_xen_hvm_config { 1272 __u32 flags; 1273 __u32 msr; 1274 __u64 blob_addr_32; 1275 __u64 blob_addr_64; 1276 __u8 blob_size_32; 1277 __u8 blob_size_64; 1278 __u8 pad2[30]; 1279 }; 1280 #endif 1281 1282 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1283 /* 1284 * Available with KVM_CAP_IRQFD_RESAMPLE 1285 * 1286 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1287 * the irqfd to operate in resampling mode for level triggered interrupt 1288 * emulation. See Documentation/virt/kvm/api.rst. 1289 */ 1290 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1291 1292 struct kvm_irqfd { 1293 __u32 fd; 1294 __u32 gsi; 1295 __u32 flags; 1296 __u32 resamplefd; 1297 __u8 pad[16]; 1298 }; 1299 1300 /* For KVM_CAP_ADJUST_CLOCK */ 1301 1302 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1303 #define KVM_CLOCK_TSC_STABLE 2 1304 #define KVM_CLOCK_REALTIME (1 << 2) 1305 #define KVM_CLOCK_HOST_TSC (1 << 3) 1306 1307 struct kvm_clock_data { 1308 __u64 clock; 1309 __u32 flags; 1310 __u32 pad0; 1311 __u64 realtime; 1312 __u64 host_tsc; 1313 __u32 pad[4]; 1314 }; 1315 1316 /* For KVM_CAP_SW_TLB */ 1317 1318 #define KVM_MMU_FSL_BOOKE_NOHV 0 1319 #define KVM_MMU_FSL_BOOKE_HV 1 1320 1321 struct kvm_config_tlb { 1322 __u64 params; 1323 __u64 array; 1324 __u32 mmu_type; 1325 __u32 array_len; 1326 }; 1327 1328 struct kvm_dirty_tlb { 1329 __u64 bitmap; 1330 __u32 num_dirty; 1331 }; 1332 1333 /* Available with KVM_CAP_ONE_REG */ 1334 1335 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1336 #define KVM_REG_GENERIC 0x0000000000000000ULL 1337 1338 /* 1339 * Architecture specific registers are to be defined in arch headers and 1340 * ORed with the arch identifier. 1341 */ 1342 #define KVM_REG_PPC 0x1000000000000000ULL 1343 #define KVM_REG_X86 0x2000000000000000ULL 1344 #define KVM_REG_IA64 0x3000000000000000ULL 1345 #define KVM_REG_ARM 0x4000000000000000ULL 1346 #define KVM_REG_S390 0x5000000000000000ULL 1347 #define KVM_REG_ARM64 0x6000000000000000ULL 1348 #define KVM_REG_MIPS 0x7000000000000000ULL 1349 #define KVM_REG_RISCV 0x8000000000000000ULL 1350 1351 #define KVM_REG_SIZE_SHIFT 52 1352 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1353 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1354 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1355 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1356 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1357 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1358 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1359 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1360 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1361 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1362 1363 struct kvm_reg_list { 1364 __u64 n; /* number of regs */ 1365 __u64 reg[]; 1366 }; 1367 1368 struct kvm_one_reg { 1369 __u64 id; 1370 __u64 addr; 1371 }; 1372 1373 #define KVM_MSI_VALID_DEVID (1U << 0) 1374 struct kvm_msi { 1375 __u32 address_lo; 1376 __u32 address_hi; 1377 __u32 data; 1378 __u32 flags; 1379 __u32 devid; 1380 __u8 pad[12]; 1381 }; 1382 1383 struct kvm_arm_device_addr { 1384 __u64 id; 1385 __u64 addr; 1386 }; 1387 1388 /* 1389 * Device control API, available with KVM_CAP_DEVICE_CTRL 1390 */ 1391 #define KVM_CREATE_DEVICE_TEST 1 1392 1393 struct kvm_create_device { 1394 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1395 __u32 fd; /* out: device handle */ 1396 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1397 }; 1398 1399 struct kvm_device_attr { 1400 __u32 flags; /* no flags currently defined */ 1401 __u32 group; /* device-defined */ 1402 __u64 attr; /* group-defined */ 1403 __u64 addr; /* userspace address of attr data */ 1404 }; 1405 1406 #define KVM_DEV_VFIO_GROUP 1 1407 #define KVM_DEV_VFIO_GROUP_ADD 1 1408 #define KVM_DEV_VFIO_GROUP_DEL 2 1409 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1410 1411 enum kvm_device_type { 1412 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1413 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1414 KVM_DEV_TYPE_FSL_MPIC_42, 1415 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1416 KVM_DEV_TYPE_XICS, 1417 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1418 KVM_DEV_TYPE_VFIO, 1419 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1420 KVM_DEV_TYPE_ARM_VGIC_V2, 1421 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1422 KVM_DEV_TYPE_FLIC, 1423 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1424 KVM_DEV_TYPE_ARM_VGIC_V3, 1425 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1426 KVM_DEV_TYPE_ARM_VGIC_ITS, 1427 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1428 KVM_DEV_TYPE_XIVE, 1429 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1430 KVM_DEV_TYPE_ARM_PV_TIME, 1431 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1432 KVM_DEV_TYPE_MAX, 1433 }; 1434 1435 struct kvm_vfio_spapr_tce { 1436 __s32 groupfd; 1437 __s32 tablefd; 1438 }; 1439 1440 /* 1441 * ioctls for VM fds 1442 */ 1443 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1444 /* 1445 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1446 * a vcpu fd. 1447 */ 1448 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1449 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1450 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1451 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1452 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1453 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 1454 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1455 struct kvm_userspace_memory_region) 1456 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1457 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1458 1459 /* enable ucontrol for s390 */ 1460 struct kvm_s390_ucas_mapping { 1461 __u64 user_addr; 1462 __u64 vcpu_addr; 1463 __u64 length; 1464 }; 1465 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1466 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1467 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1468 1469 /* Device model IOC */ 1470 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1471 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1472 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1473 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1474 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1475 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1476 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1477 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1478 #define KVM_REGISTER_COALESCED_MMIO \ 1479 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1480 #define KVM_UNREGISTER_COALESCED_MMIO \ 1481 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1482 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1483 struct kvm_assigned_pci_dev) 1484 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1485 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1486 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1487 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1488 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1489 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1490 struct kvm_assigned_pci_dev) 1491 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1492 struct kvm_assigned_msix_nr) 1493 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1494 struct kvm_assigned_msix_entry) 1495 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1496 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1497 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1498 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1499 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1500 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1501 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1502 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1503 /* Available with KVM_CAP_PIT_STATE2 */ 1504 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1505 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1506 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1507 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1508 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1509 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1510 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1511 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1512 /* Available with KVM_CAP_PCI_2_3 */ 1513 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1514 struct kvm_assigned_pci_dev) 1515 /* Available with KVM_CAP_SIGNAL_MSI */ 1516 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1517 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1518 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1519 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1520 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1521 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1522 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1523 struct kvm_create_spapr_tce_64) 1524 /* Available with KVM_CAP_RMA */ 1525 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1526 /* Available with KVM_CAP_PPC_HTAB_FD */ 1527 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1528 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1529 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1530 /* Available with KVM_CAP_PPC_RTAS */ 1531 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1532 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1533 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1534 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1535 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1536 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1537 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1538 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1539 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1540 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1541 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1542 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1543 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1544 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1545 1546 /* ioctl for vm fd */ 1547 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1548 1549 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1550 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1551 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1552 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1553 1554 /* 1555 * ioctls for vcpu fds 1556 */ 1557 #define KVM_RUN _IO(KVMIO, 0x80) 1558 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1559 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1560 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1561 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1562 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1563 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1564 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1565 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1566 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1567 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1568 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1569 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1570 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1571 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1572 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1573 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1574 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1575 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1576 /* Available with KVM_CAP_VAPIC */ 1577 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1578 /* Available with KVM_CAP_VAPIC */ 1579 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1580 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1581 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1582 /* store status for s390 */ 1583 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1584 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1585 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1586 /* initial ipl psw for s390 */ 1587 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1588 /* initial reset for s390 */ 1589 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1590 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1591 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1592 /* Available with KVM_CAP_USER_NMI */ 1593 #define KVM_NMI _IO(KVMIO, 0x9a) 1594 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1595 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1596 /* MCE for x86 */ 1597 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1598 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1599 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1600 /* Available with KVM_CAP_VCPU_EVENTS */ 1601 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1602 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1603 /* Available with KVM_CAP_DEBUGREGS */ 1604 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1605 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1606 /* 1607 * vcpu version available with KVM_ENABLE_CAP 1608 * vm version available with KVM_CAP_ENABLE_CAP_VM 1609 */ 1610 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1611 /* Available with KVM_CAP_XSAVE */ 1612 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1613 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1614 /* Available with KVM_CAP_XCRS */ 1615 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1616 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1617 /* Available with KVM_CAP_SW_TLB */ 1618 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1619 /* Available with KVM_CAP_ONE_REG */ 1620 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1621 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1622 /* VM is being stopped by host */ 1623 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1624 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1625 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1626 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1627 /* Available with KVM_CAP_S390_MEM_OP */ 1628 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1629 /* Available with KVM_CAP_S390_SKEYS */ 1630 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1631 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1632 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1633 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1634 /* Available with KVM_CAP_S390_IRQ_STATE */ 1635 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1636 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1637 /* Available with KVM_CAP_X86_SMM */ 1638 #define KVM_SMI _IO(KVMIO, 0xb7) 1639 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1640 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1641 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1642 /* Memory Encryption Commands */ 1643 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1644 1645 struct kvm_enc_region { 1646 __u64 addr; 1647 __u64 size; 1648 }; 1649 1650 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1651 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1652 1653 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1654 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1655 1656 /* Available with KVM_CAP_NESTED_STATE */ 1657 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1658 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1659 1660 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1661 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1662 1663 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1664 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1665 1666 /* Available with KVM_CAP_ARM_SVE */ 1667 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1668 1669 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1670 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1671 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1672 1673 struct kvm_s390_pv_sec_parm { 1674 __u64 origin; 1675 __u64 length; 1676 }; 1677 1678 struct kvm_s390_pv_unp { 1679 __u64 addr; 1680 __u64 size; 1681 __u64 tweak; 1682 }; 1683 1684 enum pv_cmd_dmp_id { 1685 KVM_PV_DUMP_INIT, 1686 KVM_PV_DUMP_CONFIG_STOR_STATE, 1687 KVM_PV_DUMP_COMPLETE, 1688 KVM_PV_DUMP_CPU, 1689 }; 1690 1691 struct kvm_s390_pv_dmp { 1692 __u64 subcmd; 1693 __u64 buff_addr; 1694 __u64 buff_len; 1695 __u64 gaddr; /* For dump storage state */ 1696 __u64 reserved[4]; 1697 }; 1698 1699 enum pv_cmd_info_id { 1700 KVM_PV_INFO_VM, 1701 KVM_PV_INFO_DUMP, 1702 }; 1703 1704 struct kvm_s390_pv_info_dump { 1705 __u64 dump_cpu_buffer_len; 1706 __u64 dump_config_mem_buffer_per_1m; 1707 __u64 dump_config_finalize_len; 1708 }; 1709 1710 struct kvm_s390_pv_info_vm { 1711 __u64 inst_calls_list[4]; 1712 __u64 max_cpus; 1713 __u64 max_guests; 1714 __u64 max_guest_addr; 1715 __u64 feature_indication; 1716 }; 1717 1718 struct kvm_s390_pv_info_header { 1719 __u32 id; 1720 __u32 len_max; 1721 __u32 len_written; 1722 __u32 reserved; 1723 }; 1724 1725 struct kvm_s390_pv_info { 1726 struct kvm_s390_pv_info_header header; 1727 union { 1728 struct kvm_s390_pv_info_dump dump; 1729 struct kvm_s390_pv_info_vm vm; 1730 }; 1731 }; 1732 1733 enum pv_cmd_id { 1734 KVM_PV_ENABLE, 1735 KVM_PV_DISABLE, 1736 KVM_PV_SET_SEC_PARMS, 1737 KVM_PV_UNPACK, 1738 KVM_PV_VERIFY, 1739 KVM_PV_PREP_RESET, 1740 KVM_PV_UNSHARE_ALL, 1741 KVM_PV_INFO, 1742 KVM_PV_DUMP, 1743 }; 1744 1745 struct kvm_pv_cmd { 1746 __u32 cmd; /* Command to be executed */ 1747 __u16 rc; /* Ultravisor return code */ 1748 __u16 rrc; /* Ultravisor return reason code */ 1749 __u64 data; /* Data or address */ 1750 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1751 __u32 reserved[3]; 1752 }; 1753 1754 /* Available with KVM_CAP_S390_PROTECTED */ 1755 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1756 1757 /* Available with KVM_CAP_X86_MSR_FILTER */ 1758 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1759 1760 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1761 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1762 1763 /* Per-VM Xen attributes */ 1764 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1765 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1766 1767 struct kvm_xen_hvm_attr { 1768 __u16 type; 1769 __u16 pad[3]; 1770 union { 1771 __u8 long_mode; 1772 __u8 vector; 1773 struct { 1774 __u64 gfn; 1775 } shared_info; 1776 struct { 1777 __u32 send_port; 1778 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1779 __u32 flags; 1780 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1781 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1782 #define KVM_XEN_EVTCHN_RESET (1 << 2) 1783 /* 1784 * Events sent by the guest are either looped back to 1785 * the guest itself (potentially on a different port#) 1786 * or signalled via an eventfd. 1787 */ 1788 union { 1789 struct { 1790 __u32 port; 1791 __u32 vcpu; 1792 __u32 priority; 1793 } port; 1794 struct { 1795 __u32 port; /* Zero for eventfd */ 1796 __s32 fd; 1797 } eventfd; 1798 __u32 padding[4]; 1799 } deliver; 1800 } evtchn; 1801 __u32 xen_version; 1802 __u64 pad[8]; 1803 } u; 1804 }; 1805 1806 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1807 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1808 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1809 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1810 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1811 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1812 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1813 1814 /* Per-vCPU Xen attributes */ 1815 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1816 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1817 1818 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1819 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1820 1821 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1822 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1823 1824 struct kvm_xen_vcpu_attr { 1825 __u16 type; 1826 __u16 pad[3]; 1827 union { 1828 __u64 gpa; 1829 __u64 pad[8]; 1830 struct { 1831 __u64 state; 1832 __u64 state_entry_time; 1833 __u64 time_running; 1834 __u64 time_runnable; 1835 __u64 time_blocked; 1836 __u64 time_offline; 1837 } runstate; 1838 __u32 vcpu_id; 1839 struct { 1840 __u32 port; 1841 __u32 priority; 1842 __u64 expires_ns; 1843 } timer; 1844 __u8 vector; 1845 } u; 1846 }; 1847 1848 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1849 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1850 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1851 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1852 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1853 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1854 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1855 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1856 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1857 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1858 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1859 1860 /* Secure Encrypted Virtualization command */ 1861 enum sev_cmd_id { 1862 /* Guest initialization commands */ 1863 KVM_SEV_INIT = 0, 1864 KVM_SEV_ES_INIT, 1865 /* Guest launch commands */ 1866 KVM_SEV_LAUNCH_START, 1867 KVM_SEV_LAUNCH_UPDATE_DATA, 1868 KVM_SEV_LAUNCH_UPDATE_VMSA, 1869 KVM_SEV_LAUNCH_SECRET, 1870 KVM_SEV_LAUNCH_MEASURE, 1871 KVM_SEV_LAUNCH_FINISH, 1872 /* Guest migration commands (outgoing) */ 1873 KVM_SEV_SEND_START, 1874 KVM_SEV_SEND_UPDATE_DATA, 1875 KVM_SEV_SEND_UPDATE_VMSA, 1876 KVM_SEV_SEND_FINISH, 1877 /* Guest migration commands (incoming) */ 1878 KVM_SEV_RECEIVE_START, 1879 KVM_SEV_RECEIVE_UPDATE_DATA, 1880 KVM_SEV_RECEIVE_UPDATE_VMSA, 1881 KVM_SEV_RECEIVE_FINISH, 1882 /* Guest status and debug commands */ 1883 KVM_SEV_GUEST_STATUS, 1884 KVM_SEV_DBG_DECRYPT, 1885 KVM_SEV_DBG_ENCRYPT, 1886 /* Guest certificates commands */ 1887 KVM_SEV_CERT_EXPORT, 1888 /* Attestation report */ 1889 KVM_SEV_GET_ATTESTATION_REPORT, 1890 /* Guest Migration Extension */ 1891 KVM_SEV_SEND_CANCEL, 1892 1893 KVM_SEV_NR_MAX, 1894 }; 1895 1896 struct kvm_sev_cmd { 1897 __u32 id; 1898 __u64 data; 1899 __u32 error; 1900 __u32 sev_fd; 1901 }; 1902 1903 struct kvm_sev_launch_start { 1904 __u32 handle; 1905 __u32 policy; 1906 __u64 dh_uaddr; 1907 __u32 dh_len; 1908 __u64 session_uaddr; 1909 __u32 session_len; 1910 }; 1911 1912 struct kvm_sev_launch_update_data { 1913 __u64 uaddr; 1914 __u32 len; 1915 }; 1916 1917 1918 struct kvm_sev_launch_secret { 1919 __u64 hdr_uaddr; 1920 __u32 hdr_len; 1921 __u64 guest_uaddr; 1922 __u32 guest_len; 1923 __u64 trans_uaddr; 1924 __u32 trans_len; 1925 }; 1926 1927 struct kvm_sev_launch_measure { 1928 __u64 uaddr; 1929 __u32 len; 1930 }; 1931 1932 struct kvm_sev_guest_status { 1933 __u32 handle; 1934 __u32 policy; 1935 __u32 state; 1936 }; 1937 1938 struct kvm_sev_dbg { 1939 __u64 src_uaddr; 1940 __u64 dst_uaddr; 1941 __u32 len; 1942 }; 1943 1944 struct kvm_sev_attestation_report { 1945 __u8 mnonce[16]; 1946 __u64 uaddr; 1947 __u32 len; 1948 }; 1949 1950 struct kvm_sev_send_start { 1951 __u32 policy; 1952 __u64 pdh_cert_uaddr; 1953 __u32 pdh_cert_len; 1954 __u64 plat_certs_uaddr; 1955 __u32 plat_certs_len; 1956 __u64 amd_certs_uaddr; 1957 __u32 amd_certs_len; 1958 __u64 session_uaddr; 1959 __u32 session_len; 1960 }; 1961 1962 struct kvm_sev_send_update_data { 1963 __u64 hdr_uaddr; 1964 __u32 hdr_len; 1965 __u64 guest_uaddr; 1966 __u32 guest_len; 1967 __u64 trans_uaddr; 1968 __u32 trans_len; 1969 }; 1970 1971 struct kvm_sev_receive_start { 1972 __u32 handle; 1973 __u32 policy; 1974 __u64 pdh_uaddr; 1975 __u32 pdh_len; 1976 __u64 session_uaddr; 1977 __u32 session_len; 1978 }; 1979 1980 struct kvm_sev_receive_update_data { 1981 __u64 hdr_uaddr; 1982 __u32 hdr_len; 1983 __u64 guest_uaddr; 1984 __u32 guest_len; 1985 __u64 trans_uaddr; 1986 __u32 trans_len; 1987 }; 1988 1989 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1990 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1991 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1992 1993 struct kvm_assigned_pci_dev { 1994 __u32 assigned_dev_id; 1995 __u32 busnr; 1996 __u32 devfn; 1997 __u32 flags; 1998 __u32 segnr; 1999 union { 2000 __u32 reserved[11]; 2001 }; 2002 }; 2003 2004 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 2005 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 2006 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 2007 2008 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 2009 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 2010 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 2011 2012 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 2013 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 2014 2015 struct kvm_assigned_irq { 2016 __u32 assigned_dev_id; 2017 __u32 host_irq; /* ignored (legacy field) */ 2018 __u32 guest_irq; 2019 __u32 flags; 2020 union { 2021 __u32 reserved[12]; 2022 }; 2023 }; 2024 2025 struct kvm_assigned_msix_nr { 2026 __u32 assigned_dev_id; 2027 __u16 entry_nr; 2028 __u16 padding; 2029 }; 2030 2031 #define KVM_MAX_MSIX_PER_DEV 256 2032 struct kvm_assigned_msix_entry { 2033 __u32 assigned_dev_id; 2034 __u32 gsi; 2035 __u16 entry; /* The index of entry in the MSI-X table */ 2036 __u16 padding[3]; 2037 }; 2038 2039 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 2040 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 2041 2042 /* Available with KVM_CAP_ARM_USER_IRQ */ 2043 2044 /* Bits for run->s.regs.device_irq_level */ 2045 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 2046 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 2047 #define KVM_ARM_DEV_PMU (1 << 2) 2048 2049 struct kvm_hyperv_eventfd { 2050 __u32 conn_id; 2051 __s32 fd; 2052 __u32 flags; 2053 __u32 padding[3]; 2054 }; 2055 2056 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 2057 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 2058 2059 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 2060 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 2061 2062 /* 2063 * Arch needs to define the macro after implementing the dirty ring 2064 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 2065 * starting page offset of the dirty ring structures. 2066 */ 2067 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 2068 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 2069 #endif 2070 2071 /* 2072 * KVM dirty GFN flags, defined as: 2073 * 2074 * |---------------+---------------+--------------| 2075 * | bit 1 (reset) | bit 0 (dirty) | Status | 2076 * |---------------+---------------+--------------| 2077 * | 0 | 0 | Invalid GFN | 2078 * | 0 | 1 | Dirty GFN | 2079 * | 1 | X | GFN to reset | 2080 * |---------------+---------------+--------------| 2081 * 2082 * Lifecycle of a dirty GFN goes like: 2083 * 2084 * dirtied harvested reset 2085 * 00 -----------> 01 -------------> 1X -------+ 2086 * ^ | 2087 * | | 2088 * +------------------------------------------+ 2089 * 2090 * The userspace program is only responsible for the 01->1X state 2091 * conversion after harvesting an entry. Also, it must not skip any 2092 * dirty bits, so that dirty bits are always harvested in sequence. 2093 */ 2094 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2095 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2096 #define KVM_DIRTY_GFN_F_MASK 0x3 2097 2098 /* 2099 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2100 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2101 * size of the gfn buffer is decided by the first argument when 2102 * enabling KVM_CAP_DIRTY_LOG_RING. 2103 */ 2104 struct kvm_dirty_gfn { 2105 __u32 flags; 2106 __u32 slot; 2107 __u64 offset; 2108 }; 2109 2110 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2111 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2112 2113 #define KVM_PMU_CAP_DISABLE (1 << 0) 2114 2115 /** 2116 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2117 * @flags: Some extra information for header, always 0 for now. 2118 * @name_size: The size in bytes of the memory which contains statistics 2119 * name string including trailing '\0'. The memory is allocated 2120 * at the send of statistics descriptor. 2121 * @num_desc: The number of statistics the vm or vcpu has. 2122 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2123 * by vm/vcpu stats fd. 2124 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2125 * pointd by vm/vcpu stats fd. 2126 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2127 * pointed by vm/vcpu stats fd. 2128 * 2129 * This is the header userspace needs to read from stats fd before any other 2130 * readings. It is used by userspace to discover all the information about the 2131 * vm/vcpu's binary statistics. 2132 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2133 */ 2134 struct kvm_stats_header { 2135 __u32 flags; 2136 __u32 name_size; 2137 __u32 num_desc; 2138 __u32 id_offset; 2139 __u32 desc_offset; 2140 __u32 data_offset; 2141 }; 2142 2143 #define KVM_STATS_TYPE_SHIFT 0 2144 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2145 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2146 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2147 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2148 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2149 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2150 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2151 2152 #define KVM_STATS_UNIT_SHIFT 4 2153 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2154 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2155 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2156 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2157 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2158 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 2159 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 2160 2161 #define KVM_STATS_BASE_SHIFT 8 2162 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2163 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2164 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2165 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2166 2167 /** 2168 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2169 * @flags: Annotations of the stats, like type, unit, etc. 2170 * @exponent: Used together with @flags to determine the unit. 2171 * @size: The number of data items for this stats. 2172 * Every data item is of type __u64. 2173 * @offset: The offset of the stats to the start of stat structure in 2174 * structure kvm or kvm_vcpu. 2175 * @bucket_size: A parameter value used for histogram stats. It is only used 2176 * for linear histogram stats, specifying the size of the bucket; 2177 * @name: The name string for the stats. Its size is indicated by the 2178 * &kvm_stats_header->name_size. 2179 */ 2180 struct kvm_stats_desc { 2181 __u32 flags; 2182 __s16 exponent; 2183 __u16 size; 2184 __u32 offset; 2185 __u32 bucket_size; 2186 char name[]; 2187 }; 2188 2189 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2190 2191 /* Available with KVM_CAP_XSAVE2 */ 2192 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2193 2194 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 2195 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 2196 2197 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 2198 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 2199 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 2200 2201 /* Available with KVM_CAP_S390_ZPCI_OP */ 2202 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 2203 2204 struct kvm_s390_zpci_op { 2205 /* in */ 2206 __u32 fh; /* target device */ 2207 __u8 op; /* operation to perform */ 2208 __u8 pad[3]; 2209 union { 2210 /* for KVM_S390_ZPCIOP_REG_AEN */ 2211 struct { 2212 __u64 ibv; /* Guest addr of interrupt bit vector */ 2213 __u64 sb; /* Guest addr of summary bit */ 2214 __u32 flags; 2215 __u32 noi; /* Number of interrupts */ 2216 __u8 isc; /* Guest interrupt subclass */ 2217 __u8 sbo; /* Offset of guest summary bit vector */ 2218 __u16 pad; 2219 } reg_aen; 2220 __u64 reserved[8]; 2221 } u; 2222 }; 2223 2224 /* types for kvm_s390_zpci_op->op */ 2225 #define KVM_S390_ZPCIOP_REG_AEN 0 2226 #define KVM_S390_ZPCIOP_DEREG_AEN 1 2227 2228 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */ 2229 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) 2230 2231 #endif /* __LINUX_KVM_H */ 2232