1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* *** 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_SET_USER_MEMORY_REGION */ 90 struct kvm_userspace_memory_region { 91 __u32 slot; 92 __u32 flags; 93 __u64 guest_phys_addr; 94 __u64 memory_size; /* bytes */ 95 __u64 userspace_addr; /* start of the userspace allocated memory */ 96 }; 97 98 /* 99 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 100 * userspace, other bits are reserved for kvm internal use which are defined 101 * in include/linux/kvm_host.h. 102 */ 103 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 104 #define KVM_MEM_READONLY (1UL << 1) 105 106 /* for KVM_IRQ_LINE */ 107 struct kvm_irq_level { 108 /* 109 * ACPI gsi notion of irq. 110 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 111 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 112 * For ARM: See Documentation/virt/kvm/api.rst 113 */ 114 union { 115 __u32 irq; 116 __s32 status; 117 }; 118 __u32 level; 119 }; 120 121 122 struct kvm_irqchip { 123 __u32 chip_id; 124 __u32 pad; 125 union { 126 char dummy[512]; /* reserving space */ 127 #ifdef __KVM_HAVE_PIT 128 struct kvm_pic_state pic; 129 #endif 130 #ifdef __KVM_HAVE_IOAPIC 131 struct kvm_ioapic_state ioapic; 132 #endif 133 } chip; 134 }; 135 136 /* for KVM_CREATE_PIT2 */ 137 struct kvm_pit_config { 138 __u32 flags; 139 __u32 pad[15]; 140 }; 141 142 #define KVM_PIT_SPEAKER_DUMMY 1 143 144 struct kvm_s390_skeys { 145 __u64 start_gfn; 146 __u64 count; 147 __u64 skeydata_addr; 148 __u32 flags; 149 __u32 reserved[9]; 150 }; 151 152 #define KVM_S390_CMMA_PEEK (1 << 0) 153 154 /** 155 * kvm_s390_cmma_log - Used for CMMA migration. 156 * 157 * Used both for input and output. 158 * 159 * @start_gfn: Guest page number to start from. 160 * @count: Size of the result buffer. 161 * @flags: Control operation mode via KVM_S390_CMMA_* flags 162 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 163 * pages are still remaining. 164 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 165 * in the PGSTE. 166 * @values: Pointer to the values buffer. 167 * 168 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 169 */ 170 struct kvm_s390_cmma_log { 171 __u64 start_gfn; 172 __u32 count; 173 __u32 flags; 174 union { 175 __u64 remaining; 176 __u64 mask; 177 }; 178 __u64 values; 179 }; 180 181 struct kvm_hyperv_exit { 182 #define KVM_EXIT_HYPERV_SYNIC 1 183 #define KVM_EXIT_HYPERV_HCALL 2 184 #define KVM_EXIT_HYPERV_SYNDBG 3 185 __u32 type; 186 __u32 pad1; 187 union { 188 struct { 189 __u32 msr; 190 __u32 pad2; 191 __u64 control; 192 __u64 evt_page; 193 __u64 msg_page; 194 } synic; 195 struct { 196 __u64 input; 197 __u64 result; 198 __u64 params[2]; 199 } hcall; 200 struct { 201 __u32 msr; 202 __u32 pad2; 203 __u64 control; 204 __u64 status; 205 __u64 send_page; 206 __u64 recv_page; 207 __u64 pending_page; 208 } syndbg; 209 } u; 210 }; 211 212 struct kvm_xen_exit { 213 #define KVM_EXIT_XEN_HCALL 1 214 __u32 type; 215 union { 216 struct { 217 __u32 longmode; 218 __u32 cpl; 219 __u64 input; 220 __u64 result; 221 __u64 params[6]; 222 } hcall; 223 } u; 224 }; 225 226 #define KVM_S390_GET_SKEYS_NONE 1 227 #define KVM_S390_SKEYS_MAX 1048576 228 229 #define KVM_EXIT_UNKNOWN 0 230 #define KVM_EXIT_EXCEPTION 1 231 #define KVM_EXIT_IO 2 232 #define KVM_EXIT_HYPERCALL 3 233 #define KVM_EXIT_DEBUG 4 234 #define KVM_EXIT_HLT 5 235 #define KVM_EXIT_MMIO 6 236 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 237 #define KVM_EXIT_SHUTDOWN 8 238 #define KVM_EXIT_FAIL_ENTRY 9 239 #define KVM_EXIT_INTR 10 240 #define KVM_EXIT_SET_TPR 11 241 #define KVM_EXIT_TPR_ACCESS 12 242 #define KVM_EXIT_S390_SIEIC 13 243 #define KVM_EXIT_S390_RESET 14 244 #define KVM_EXIT_DCR 15 /* deprecated */ 245 #define KVM_EXIT_NMI 16 246 #define KVM_EXIT_INTERNAL_ERROR 17 247 #define KVM_EXIT_OSI 18 248 #define KVM_EXIT_PAPR_HCALL 19 249 #define KVM_EXIT_S390_UCONTROL 20 250 #define KVM_EXIT_WATCHDOG 21 251 #define KVM_EXIT_S390_TSCH 22 252 #define KVM_EXIT_EPR 23 253 #define KVM_EXIT_SYSTEM_EVENT 24 254 #define KVM_EXIT_S390_STSI 25 255 #define KVM_EXIT_IOAPIC_EOI 26 256 #define KVM_EXIT_HYPERV 27 257 #define KVM_EXIT_ARM_NISV 28 258 #define KVM_EXIT_X86_RDMSR 29 259 #define KVM_EXIT_X86_WRMSR 30 260 #define KVM_EXIT_DIRTY_RING_FULL 31 261 #define KVM_EXIT_AP_RESET_HOLD 32 262 #define KVM_EXIT_X86_BUS_LOCK 33 263 #define KVM_EXIT_XEN 34 264 #define KVM_EXIT_RISCV_SBI 35 265 #define KVM_EXIT_RISCV_CSR 36 266 #define KVM_EXIT_NOTIFY 37 267 268 /* For KVM_EXIT_INTERNAL_ERROR */ 269 /* Emulate instruction failed. */ 270 #define KVM_INTERNAL_ERROR_EMULATION 1 271 /* Encounter unexpected simultaneous exceptions. */ 272 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 273 /* Encounter unexpected vm-exit due to delivery event. */ 274 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 275 /* Encounter unexpected vm-exit reason */ 276 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 277 278 /* Flags that describe what fields in emulation_failure hold valid data. */ 279 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 280 281 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 282 struct kvm_run { 283 /* in */ 284 __u8 request_interrupt_window; 285 __u8 immediate_exit; 286 __u8 padding1[6]; 287 288 /* out */ 289 __u32 exit_reason; 290 __u8 ready_for_interrupt_injection; 291 __u8 if_flag; 292 __u16 flags; 293 294 /* in (pre_kvm_run), out (post_kvm_run) */ 295 __u64 cr8; 296 __u64 apic_base; 297 298 #ifdef __KVM_S390 299 /* the processor status word for s390 */ 300 __u64 psw_mask; /* psw upper half */ 301 __u64 psw_addr; /* psw lower half */ 302 #endif 303 union { 304 /* KVM_EXIT_UNKNOWN */ 305 struct { 306 __u64 hardware_exit_reason; 307 } hw; 308 /* KVM_EXIT_FAIL_ENTRY */ 309 struct { 310 __u64 hardware_entry_failure_reason; 311 __u32 cpu; 312 } fail_entry; 313 /* KVM_EXIT_EXCEPTION */ 314 struct { 315 __u32 exception; 316 __u32 error_code; 317 } ex; 318 /* KVM_EXIT_IO */ 319 struct { 320 #define KVM_EXIT_IO_IN 0 321 #define KVM_EXIT_IO_OUT 1 322 __u8 direction; 323 __u8 size; /* bytes */ 324 __u16 port; 325 __u32 count; 326 __u64 data_offset; /* relative to kvm_run start */ 327 } io; 328 /* KVM_EXIT_DEBUG */ 329 struct { 330 struct kvm_debug_exit_arch arch; 331 } debug; 332 /* KVM_EXIT_MMIO */ 333 struct { 334 __u64 phys_addr; 335 __u8 data[8]; 336 __u32 len; 337 __u8 is_write; 338 } mmio; 339 /* KVM_EXIT_HYPERCALL */ 340 struct { 341 __u64 nr; 342 __u64 args[6]; 343 __u64 ret; 344 345 union { 346 __u32 longmode; 347 __u64 flags; 348 }; 349 } hypercall; 350 /* KVM_EXIT_TPR_ACCESS */ 351 struct { 352 __u64 rip; 353 __u32 is_write; 354 __u32 pad; 355 } tpr_access; 356 /* KVM_EXIT_S390_SIEIC */ 357 struct { 358 __u8 icptcode; 359 __u16 ipa; 360 __u32 ipb; 361 } s390_sieic; 362 /* KVM_EXIT_S390_RESET */ 363 #define KVM_S390_RESET_POR 1 364 #define KVM_S390_RESET_CLEAR 2 365 #define KVM_S390_RESET_SUBSYSTEM 4 366 #define KVM_S390_RESET_CPU_INIT 8 367 #define KVM_S390_RESET_IPL 16 368 __u64 s390_reset_flags; 369 /* KVM_EXIT_S390_UCONTROL */ 370 struct { 371 __u64 trans_exc_code; 372 __u32 pgm_code; 373 } s390_ucontrol; 374 /* KVM_EXIT_DCR (deprecated) */ 375 struct { 376 __u32 dcrn; 377 __u32 data; 378 __u8 is_write; 379 } dcr; 380 /* KVM_EXIT_INTERNAL_ERROR */ 381 struct { 382 __u32 suberror; 383 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 384 __u32 ndata; 385 __u64 data[16]; 386 } internal; 387 /* 388 * KVM_INTERNAL_ERROR_EMULATION 389 * 390 * "struct emulation_failure" is an overlay of "struct internal" 391 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 392 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 393 * sub-types, this struct is ABI! It also needs to be backwards 394 * compatible with "struct internal". Take special care that 395 * "ndata" is correct, that new fields are enumerated in "flags", 396 * and that each flag enumerates fields that are 64-bit aligned 397 * and sized (so that ndata+internal.data[] is valid/accurate). 398 * 399 * Space beyond the defined fields may be used to store arbitrary 400 * debug information relating to the emulation failure. It is 401 * accounted for in "ndata" but the format is unspecified and is 402 * not represented in "flags". Any such information is *not* ABI! 403 */ 404 struct { 405 __u32 suberror; 406 __u32 ndata; 407 __u64 flags; 408 union { 409 struct { 410 __u8 insn_size; 411 __u8 insn_bytes[15]; 412 }; 413 }; 414 /* Arbitrary debug data may follow. */ 415 } emulation_failure; 416 /* KVM_EXIT_OSI */ 417 struct { 418 __u64 gprs[32]; 419 } osi; 420 /* KVM_EXIT_PAPR_HCALL */ 421 struct { 422 __u64 nr; 423 __u64 ret; 424 __u64 args[9]; 425 } papr_hcall; 426 /* KVM_EXIT_S390_TSCH */ 427 struct { 428 __u16 subchannel_id; 429 __u16 subchannel_nr; 430 __u32 io_int_parm; 431 __u32 io_int_word; 432 __u32 ipb; 433 __u8 dequeued; 434 } s390_tsch; 435 /* KVM_EXIT_EPR */ 436 struct { 437 __u32 epr; 438 } epr; 439 /* KVM_EXIT_SYSTEM_EVENT */ 440 struct { 441 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 442 #define KVM_SYSTEM_EVENT_RESET 2 443 #define KVM_SYSTEM_EVENT_CRASH 3 444 #define KVM_SYSTEM_EVENT_WAKEUP 4 445 #define KVM_SYSTEM_EVENT_SUSPEND 5 446 #define KVM_SYSTEM_EVENT_SEV_TERM 6 447 __u32 type; 448 __u32 ndata; 449 union { 450 __u64 flags; 451 __u64 data[16]; 452 }; 453 } system_event; 454 /* KVM_EXIT_S390_STSI */ 455 struct { 456 __u64 addr; 457 __u8 ar; 458 __u8 reserved; 459 __u8 fc; 460 __u8 sel1; 461 __u16 sel2; 462 } s390_stsi; 463 /* KVM_EXIT_IOAPIC_EOI */ 464 struct { 465 __u8 vector; 466 } eoi; 467 /* KVM_EXIT_HYPERV */ 468 struct kvm_hyperv_exit hyperv; 469 /* KVM_EXIT_ARM_NISV */ 470 struct { 471 __u64 esr_iss; 472 __u64 fault_ipa; 473 } arm_nisv; 474 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 475 struct { 476 __u8 error; /* user -> kernel */ 477 __u8 pad[7]; 478 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 479 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 480 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 481 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 482 KVM_MSR_EXIT_REASON_UNKNOWN | \ 483 KVM_MSR_EXIT_REASON_FILTER) 484 __u32 reason; /* kernel -> user */ 485 __u32 index; /* kernel -> user */ 486 __u64 data; /* kernel <-> user */ 487 } msr; 488 /* KVM_EXIT_XEN */ 489 struct kvm_xen_exit xen; 490 /* KVM_EXIT_RISCV_SBI */ 491 struct { 492 unsigned long extension_id; 493 unsigned long function_id; 494 unsigned long args[6]; 495 unsigned long ret[2]; 496 } riscv_sbi; 497 /* KVM_EXIT_RISCV_CSR */ 498 struct { 499 unsigned long csr_num; 500 unsigned long new_value; 501 unsigned long write_mask; 502 unsigned long ret_value; 503 } riscv_csr; 504 /* KVM_EXIT_NOTIFY */ 505 struct { 506 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 507 __u32 flags; 508 } notify; 509 /* Fix the size of the union. */ 510 char padding[256]; 511 }; 512 513 /* 2048 is the size of the char array used to bound/pad the size 514 * of the union that holds sync regs. 515 */ 516 #define SYNC_REGS_SIZE_BYTES 2048 517 /* 518 * shared registers between kvm and userspace. 519 * kvm_valid_regs specifies the register classes set by the host 520 * kvm_dirty_regs specified the register classes dirtied by userspace 521 * struct kvm_sync_regs is architecture specific, as well as the 522 * bits for kvm_valid_regs and kvm_dirty_regs 523 */ 524 __u64 kvm_valid_regs; 525 __u64 kvm_dirty_regs; 526 union { 527 struct kvm_sync_regs regs; 528 char padding[SYNC_REGS_SIZE_BYTES]; 529 } s; 530 }; 531 532 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 533 534 struct kvm_coalesced_mmio_zone { 535 __u64 addr; 536 __u32 size; 537 union { 538 __u32 pad; 539 __u32 pio; 540 }; 541 }; 542 543 struct kvm_coalesced_mmio { 544 __u64 phys_addr; 545 __u32 len; 546 union { 547 __u32 pad; 548 __u32 pio; 549 }; 550 __u8 data[8]; 551 }; 552 553 struct kvm_coalesced_mmio_ring { 554 __u32 first, last; 555 struct kvm_coalesced_mmio coalesced_mmio[]; 556 }; 557 558 #define KVM_COALESCED_MMIO_MAX \ 559 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 560 sizeof(struct kvm_coalesced_mmio)) 561 562 /* for KVM_TRANSLATE */ 563 struct kvm_translation { 564 /* in */ 565 __u64 linear_address; 566 567 /* out */ 568 __u64 physical_address; 569 __u8 valid; 570 __u8 writeable; 571 __u8 usermode; 572 __u8 pad[5]; 573 }; 574 575 /* for KVM_S390_MEM_OP */ 576 struct kvm_s390_mem_op { 577 /* in */ 578 __u64 gaddr; /* the guest address */ 579 __u64 flags; /* flags */ 580 __u32 size; /* amount of bytes */ 581 __u32 op; /* type of operation */ 582 __u64 buf; /* buffer in userspace */ 583 union { 584 struct { 585 __u8 ar; /* the access register number */ 586 __u8 key; /* access key, ignored if flag unset */ 587 __u8 pad1[6]; /* ignored */ 588 __u64 old_addr; /* ignored if cmpxchg flag unset */ 589 }; 590 __u32 sida_offset; /* offset into the sida */ 591 __u8 reserved[32]; /* ignored */ 592 }; 593 }; 594 /* types for kvm_s390_mem_op->op */ 595 #define KVM_S390_MEMOP_LOGICAL_READ 0 596 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 597 #define KVM_S390_MEMOP_SIDA_READ 2 598 #define KVM_S390_MEMOP_SIDA_WRITE 3 599 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 600 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 601 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6 602 603 /* 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 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */ 609 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0) 610 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1) 611 612 /* for KVM_INTERRUPT */ 613 struct kvm_interrupt { 614 /* in */ 615 __u32 irq; 616 }; 617 618 /* for KVM_GET_DIRTY_LOG */ 619 struct kvm_dirty_log { 620 __u32 slot; 621 __u32 padding1; 622 union { 623 void *dirty_bitmap; /* one bit per page */ 624 __u64 padding2; 625 }; 626 }; 627 628 /* for KVM_CLEAR_DIRTY_LOG */ 629 struct kvm_clear_dirty_log { 630 __u32 slot; 631 __u32 num_pages; 632 __u64 first_page; 633 union { 634 void *dirty_bitmap; /* one bit per page */ 635 __u64 padding2; 636 }; 637 }; 638 639 /* for KVM_SET_SIGNAL_MASK */ 640 struct kvm_signal_mask { 641 __u32 len; 642 __u8 sigset[]; 643 }; 644 645 /* for KVM_TPR_ACCESS_REPORTING */ 646 struct kvm_tpr_access_ctl { 647 __u32 enabled; 648 __u32 flags; 649 __u32 reserved[8]; 650 }; 651 652 /* for KVM_SET_VAPIC_ADDR */ 653 struct kvm_vapic_addr { 654 __u64 vapic_addr; 655 }; 656 657 /* for KVM_SET_MP_STATE */ 658 659 /* not all states are valid on all architectures */ 660 #define KVM_MP_STATE_RUNNABLE 0 661 #define KVM_MP_STATE_UNINITIALIZED 1 662 #define KVM_MP_STATE_INIT_RECEIVED 2 663 #define KVM_MP_STATE_HALTED 3 664 #define KVM_MP_STATE_SIPI_RECEIVED 4 665 #define KVM_MP_STATE_STOPPED 5 666 #define KVM_MP_STATE_CHECK_STOP 6 667 #define KVM_MP_STATE_OPERATING 7 668 #define KVM_MP_STATE_LOAD 8 669 #define KVM_MP_STATE_AP_RESET_HOLD 9 670 #define KVM_MP_STATE_SUSPENDED 10 671 672 struct kvm_mp_state { 673 __u32 mp_state; 674 }; 675 676 struct kvm_s390_psw { 677 __u64 mask; 678 __u64 addr; 679 }; 680 681 /* valid values for type in kvm_s390_interrupt */ 682 #define KVM_S390_SIGP_STOP 0xfffe0000u 683 #define KVM_S390_PROGRAM_INT 0xfffe0001u 684 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 685 #define KVM_S390_RESTART 0xfffe0003u 686 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 687 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 688 #define KVM_S390_MCHK 0xfffe1000u 689 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 690 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 691 #define KVM_S390_INT_VIRTIO 0xffff2603u 692 #define KVM_S390_INT_SERVICE 0xffff2401u 693 #define KVM_S390_INT_EMERGENCY 0xffff1201u 694 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 695 /* Anything below 0xfffe0000u is taken by INT_IO */ 696 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 697 (((schid)) | \ 698 ((ssid) << 16) | \ 699 ((cssid) << 18) | \ 700 ((ai) << 26)) 701 #define KVM_S390_INT_IO_MIN 0x00000000u 702 #define KVM_S390_INT_IO_MAX 0xfffdffffu 703 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 704 705 706 struct kvm_s390_interrupt { 707 __u32 type; 708 __u32 parm; 709 __u64 parm64; 710 }; 711 712 struct kvm_s390_io_info { 713 __u16 subchannel_id; 714 __u16 subchannel_nr; 715 __u32 io_int_parm; 716 __u32 io_int_word; 717 }; 718 719 struct kvm_s390_ext_info { 720 __u32 ext_params; 721 __u32 pad; 722 __u64 ext_params2; 723 }; 724 725 struct kvm_s390_pgm_info { 726 __u64 trans_exc_code; 727 __u64 mon_code; 728 __u64 per_address; 729 __u32 data_exc_code; 730 __u16 code; 731 __u16 mon_class_nr; 732 __u8 per_code; 733 __u8 per_atmid; 734 __u8 exc_access_id; 735 __u8 per_access_id; 736 __u8 op_access_id; 737 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 738 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 739 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 740 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 741 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 742 __u8 flags; 743 __u8 pad[2]; 744 }; 745 746 struct kvm_s390_prefix_info { 747 __u32 address; 748 }; 749 750 struct kvm_s390_extcall_info { 751 __u16 code; 752 }; 753 754 struct kvm_s390_emerg_info { 755 __u16 code; 756 }; 757 758 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 759 struct kvm_s390_stop_info { 760 __u32 flags; 761 }; 762 763 struct kvm_s390_mchk_info { 764 __u64 cr14; 765 __u64 mcic; 766 __u64 failing_storage_address; 767 __u32 ext_damage_code; 768 __u32 pad; 769 __u8 fixed_logout[16]; 770 }; 771 772 struct kvm_s390_irq { 773 __u64 type; 774 union { 775 struct kvm_s390_io_info io; 776 struct kvm_s390_ext_info ext; 777 struct kvm_s390_pgm_info pgm; 778 struct kvm_s390_emerg_info emerg; 779 struct kvm_s390_extcall_info extcall; 780 struct kvm_s390_prefix_info prefix; 781 struct kvm_s390_stop_info stop; 782 struct kvm_s390_mchk_info mchk; 783 char reserved[64]; 784 } u; 785 }; 786 787 struct kvm_s390_irq_state { 788 __u64 buf; 789 __u32 flags; /* will stay unused for compatibility reasons */ 790 __u32 len; 791 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 792 }; 793 794 /* for KVM_SET_GUEST_DEBUG */ 795 796 #define KVM_GUESTDBG_ENABLE 0x00000001 797 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 798 799 struct kvm_guest_debug { 800 __u32 control; 801 __u32 pad; 802 struct kvm_guest_debug_arch arch; 803 }; 804 805 enum { 806 kvm_ioeventfd_flag_nr_datamatch, 807 kvm_ioeventfd_flag_nr_pio, 808 kvm_ioeventfd_flag_nr_deassign, 809 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 810 kvm_ioeventfd_flag_nr_fast_mmio, 811 kvm_ioeventfd_flag_nr_max, 812 }; 813 814 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 815 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 816 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 817 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 818 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 819 820 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 821 822 struct kvm_ioeventfd { 823 __u64 datamatch; 824 __u64 addr; /* legal pio/mmio address */ 825 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 826 __s32 fd; 827 __u32 flags; 828 __u8 pad[36]; 829 }; 830 831 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 832 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 833 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 834 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 835 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 836 KVM_X86_DISABLE_EXITS_HLT | \ 837 KVM_X86_DISABLE_EXITS_PAUSE | \ 838 KVM_X86_DISABLE_EXITS_CSTATE) 839 840 /* for KVM_ENABLE_CAP */ 841 struct kvm_enable_cap { 842 /* in */ 843 __u32 cap; 844 __u32 flags; 845 __u64 args[4]; 846 __u8 pad[64]; 847 }; 848 849 /* for KVM_PPC_GET_PVINFO */ 850 851 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 852 853 struct kvm_ppc_pvinfo { 854 /* out */ 855 __u32 flags; 856 __u32 hcall[4]; 857 __u8 pad[108]; 858 }; 859 860 /* for KVM_PPC_GET_SMMU_INFO */ 861 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 862 863 struct kvm_ppc_one_page_size { 864 __u32 page_shift; /* Page shift (or 0) */ 865 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 866 }; 867 868 struct kvm_ppc_one_seg_page_size { 869 __u32 page_shift; /* Base page shift of segment (or 0) */ 870 __u32 slb_enc; /* SLB encoding for BookS */ 871 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 872 }; 873 874 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 875 #define KVM_PPC_1T_SEGMENTS 0x00000002 876 #define KVM_PPC_NO_HASH 0x00000004 877 878 struct kvm_ppc_smmu_info { 879 __u64 flags; 880 __u32 slb_size; 881 __u16 data_keys; /* # storage keys supported for data */ 882 __u16 instr_keys; /* # storage keys supported for instructions */ 883 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 884 }; 885 886 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 887 struct kvm_ppc_resize_hpt { 888 __u64 flags; 889 __u32 shift; 890 __u32 pad; 891 }; 892 893 #define KVMIO 0xAE 894 895 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 896 #define KVM_VM_S390_UCONTROL 1 897 898 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 899 #define KVM_VM_PPC_HV 1 900 #define KVM_VM_PPC_PR 2 901 902 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 903 #define KVM_VM_MIPS_AUTO 0 904 #define KVM_VM_MIPS_VZ 1 905 #define KVM_VM_MIPS_TE 2 906 907 #define KVM_S390_SIE_PAGE_OFFSET 1 908 909 /* 910 * On arm64, machine type can be used to request the physical 911 * address size for the VM. Bits[7-0] are reserved for the guest 912 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 913 * value 0 implies the default IPA size, 40bits. 914 */ 915 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 916 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 917 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 918 /* 919 * ioctls for /dev/kvm fds: 920 */ 921 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 922 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 923 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 924 925 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 926 /* 927 * Check if a kvm extension is available. Argument is extension number, 928 * return is 1 (yes) or 0 (no, sorry). 929 */ 930 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 931 /* 932 * Get size for mmap(vcpu_fd) 933 */ 934 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 935 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 936 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 937 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 938 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 939 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 940 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 941 942 /* 943 * Extension capability list. 944 */ 945 #define KVM_CAP_IRQCHIP 0 946 #define KVM_CAP_HLT 1 947 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 948 #define KVM_CAP_USER_MEMORY 3 949 #define KVM_CAP_SET_TSS_ADDR 4 950 #define KVM_CAP_VAPIC 6 951 #define KVM_CAP_EXT_CPUID 7 952 #define KVM_CAP_CLOCKSOURCE 8 953 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 954 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 955 #define KVM_CAP_PIT 11 956 #define KVM_CAP_NOP_IO_DELAY 12 957 #define KVM_CAP_PV_MMU 13 958 #define KVM_CAP_MP_STATE 14 959 #define KVM_CAP_COALESCED_MMIO 15 960 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 961 #define KVM_CAP_IOMMU 18 962 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 963 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 964 #define KVM_CAP_USER_NMI 22 965 #ifdef __KVM_HAVE_GUEST_DEBUG 966 #define KVM_CAP_SET_GUEST_DEBUG 23 967 #endif 968 #ifdef __KVM_HAVE_PIT 969 #define KVM_CAP_REINJECT_CONTROL 24 970 #endif 971 #define KVM_CAP_IRQ_ROUTING 25 972 #define KVM_CAP_IRQ_INJECT_STATUS 26 973 #define KVM_CAP_ASSIGN_DEV_IRQ 29 974 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 975 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 976 #ifdef __KVM_HAVE_MCE 977 #define KVM_CAP_MCE 31 978 #endif 979 #define KVM_CAP_IRQFD 32 980 #ifdef __KVM_HAVE_PIT 981 #define KVM_CAP_PIT2 33 982 #endif 983 #define KVM_CAP_SET_BOOT_CPU_ID 34 984 #ifdef __KVM_HAVE_PIT_STATE2 985 #define KVM_CAP_PIT_STATE2 35 986 #endif 987 #define KVM_CAP_IOEVENTFD 36 988 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 989 #ifdef __KVM_HAVE_XEN_HVM 990 #define KVM_CAP_XEN_HVM 38 991 #endif 992 #define KVM_CAP_ADJUST_CLOCK 39 993 #define KVM_CAP_INTERNAL_ERROR_DATA 40 994 #ifdef __KVM_HAVE_VCPU_EVENTS 995 #define KVM_CAP_VCPU_EVENTS 41 996 #endif 997 #define KVM_CAP_S390_PSW 42 998 #define KVM_CAP_PPC_SEGSTATE 43 999 #define KVM_CAP_HYPERV 44 1000 #define KVM_CAP_HYPERV_VAPIC 45 1001 #define KVM_CAP_HYPERV_SPIN 46 1002 #define KVM_CAP_PCI_SEGMENT 47 1003 #define KVM_CAP_PPC_PAIRED_SINGLES 48 1004 #define KVM_CAP_INTR_SHADOW 49 1005 #ifdef __KVM_HAVE_DEBUGREGS 1006 #define KVM_CAP_DEBUGREGS 50 1007 #endif 1008 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 1009 #define KVM_CAP_PPC_OSI 52 1010 #define KVM_CAP_PPC_UNSET_IRQ 53 1011 #define KVM_CAP_ENABLE_CAP 54 1012 #ifdef __KVM_HAVE_XSAVE 1013 #define KVM_CAP_XSAVE 55 1014 #endif 1015 #ifdef __KVM_HAVE_XCRS 1016 #define KVM_CAP_XCRS 56 1017 #endif 1018 #define KVM_CAP_PPC_GET_PVINFO 57 1019 #define KVM_CAP_PPC_IRQ_LEVEL 58 1020 #define KVM_CAP_ASYNC_PF 59 1021 #define KVM_CAP_TSC_CONTROL 60 1022 #define KVM_CAP_GET_TSC_KHZ 61 1023 #define KVM_CAP_PPC_BOOKE_SREGS 62 1024 #define KVM_CAP_SPAPR_TCE 63 1025 #define KVM_CAP_PPC_SMT 64 1026 #define KVM_CAP_PPC_RMA 65 1027 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 1028 #define KVM_CAP_PPC_HIOR 67 1029 #define KVM_CAP_PPC_PAPR 68 1030 #define KVM_CAP_SW_TLB 69 1031 #define KVM_CAP_ONE_REG 70 1032 #define KVM_CAP_S390_GMAP 71 1033 #define KVM_CAP_TSC_DEADLINE_TIMER 72 1034 #define KVM_CAP_S390_UCONTROL 73 1035 #define KVM_CAP_SYNC_REGS 74 1036 #define KVM_CAP_PCI_2_3 75 1037 #define KVM_CAP_KVMCLOCK_CTRL 76 1038 #define KVM_CAP_SIGNAL_MSI 77 1039 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1040 #define KVM_CAP_S390_COW 79 1041 #define KVM_CAP_PPC_ALLOC_HTAB 80 1042 #define KVM_CAP_READONLY_MEM 81 1043 #define KVM_CAP_IRQFD_RESAMPLE 82 1044 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1045 #define KVM_CAP_PPC_HTAB_FD 84 1046 #define KVM_CAP_S390_CSS_SUPPORT 85 1047 #define KVM_CAP_PPC_EPR 86 1048 #define KVM_CAP_ARM_PSCI 87 1049 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1050 #define KVM_CAP_DEVICE_CTRL 89 1051 #define KVM_CAP_IRQ_MPIC 90 1052 #define KVM_CAP_PPC_RTAS 91 1053 #define KVM_CAP_IRQ_XICS 92 1054 #define KVM_CAP_ARM_EL1_32BIT 93 1055 #define KVM_CAP_SPAPR_MULTITCE 94 1056 #define KVM_CAP_EXT_EMUL_CPUID 95 1057 #define KVM_CAP_HYPERV_TIME 96 1058 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1059 #define KVM_CAP_ENABLE_CAP_VM 98 1060 #define KVM_CAP_S390_IRQCHIP 99 1061 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1062 #define KVM_CAP_VM_ATTRIBUTES 101 1063 #define KVM_CAP_ARM_PSCI_0_2 102 1064 #define KVM_CAP_PPC_FIXUP_HCALL 103 1065 #define KVM_CAP_PPC_ENABLE_HCALL 104 1066 #define KVM_CAP_CHECK_EXTENSION_VM 105 1067 #define KVM_CAP_S390_USER_SIGP 106 1068 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1069 #define KVM_CAP_S390_MEM_OP 108 1070 #define KVM_CAP_S390_USER_STSI 109 1071 #define KVM_CAP_S390_SKEYS 110 1072 #define KVM_CAP_MIPS_FPU 111 1073 #define KVM_CAP_MIPS_MSA 112 1074 #define KVM_CAP_S390_INJECT_IRQ 113 1075 #define KVM_CAP_S390_IRQ_STATE 114 1076 #define KVM_CAP_PPC_HWRNG 115 1077 #define KVM_CAP_DISABLE_QUIRKS 116 1078 #define KVM_CAP_X86_SMM 117 1079 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1080 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1081 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1082 #define KVM_CAP_SPLIT_IRQCHIP 121 1083 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1084 #define KVM_CAP_HYPERV_SYNIC 123 1085 #define KVM_CAP_S390_RI 124 1086 #define KVM_CAP_SPAPR_TCE_64 125 1087 #define KVM_CAP_ARM_PMU_V3 126 1088 #define KVM_CAP_VCPU_ATTRIBUTES 127 1089 #define KVM_CAP_MAX_VCPU_ID 128 1090 #define KVM_CAP_X2APIC_API 129 1091 #define KVM_CAP_S390_USER_INSTR0 130 1092 #define KVM_CAP_MSI_DEVID 131 1093 #define KVM_CAP_PPC_HTM 132 1094 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1095 #define KVM_CAP_PPC_MMU_RADIX 134 1096 #define KVM_CAP_PPC_MMU_HASH_V3 135 1097 #define KVM_CAP_IMMEDIATE_EXIT 136 1098 #define KVM_CAP_MIPS_VZ 137 1099 #define KVM_CAP_MIPS_TE 138 1100 #define KVM_CAP_MIPS_64BIT 139 1101 #define KVM_CAP_S390_GS 140 1102 #define KVM_CAP_S390_AIS 141 1103 #define KVM_CAP_SPAPR_TCE_VFIO 142 1104 #define KVM_CAP_X86_DISABLE_EXITS 143 1105 #define KVM_CAP_ARM_USER_IRQ 144 1106 #define KVM_CAP_S390_CMMA_MIGRATION 145 1107 #define KVM_CAP_PPC_FWNMI 146 1108 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1109 #define KVM_CAP_HYPERV_SYNIC2 148 1110 #define KVM_CAP_HYPERV_VP_INDEX 149 1111 #define KVM_CAP_S390_AIS_MIGRATION 150 1112 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1113 #define KVM_CAP_S390_BPB 152 1114 #define KVM_CAP_GET_MSR_FEATURES 153 1115 #define KVM_CAP_HYPERV_EVENTFD 154 1116 #define KVM_CAP_HYPERV_TLBFLUSH 155 1117 #define KVM_CAP_S390_HPAGE_1M 156 1118 #define KVM_CAP_NESTED_STATE 157 1119 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1120 #define KVM_CAP_MSR_PLATFORM_INFO 159 1121 #define KVM_CAP_PPC_NESTED_HV 160 1122 #define KVM_CAP_HYPERV_SEND_IPI 161 1123 #define KVM_CAP_COALESCED_PIO 162 1124 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1125 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1126 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1127 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1128 #define KVM_CAP_HYPERV_CPUID 167 1129 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1130 #define KVM_CAP_PPC_IRQ_XIVE 169 1131 #define KVM_CAP_ARM_SVE 170 1132 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1133 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1134 #define KVM_CAP_PMU_EVENT_FILTER 173 1135 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1136 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1137 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1138 #define KVM_CAP_ARM_NISV_TO_USER 177 1139 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1140 #define KVM_CAP_S390_VCPU_RESETS 179 1141 #define KVM_CAP_S390_PROTECTED 180 1142 #define KVM_CAP_PPC_SECURE_GUEST 181 1143 #define KVM_CAP_HALT_POLL 182 1144 #define KVM_CAP_ASYNC_PF_INT 183 1145 #define KVM_CAP_LAST_CPU 184 1146 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1147 #define KVM_CAP_S390_DIAG318 186 1148 #define KVM_CAP_STEAL_TIME 187 1149 #define KVM_CAP_X86_USER_SPACE_MSR 188 1150 #define KVM_CAP_X86_MSR_FILTER 189 1151 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1152 #define KVM_CAP_SYS_HYPERV_CPUID 191 1153 #define KVM_CAP_DIRTY_LOG_RING 192 1154 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1155 #define KVM_CAP_PPC_DAWR1 194 1156 #define KVM_CAP_SET_GUEST_DEBUG2 195 1157 #define KVM_CAP_SGX_ATTRIBUTE 196 1158 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1159 #define KVM_CAP_PTP_KVM 198 1160 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1161 #define KVM_CAP_SREGS2 200 1162 #define KVM_CAP_EXIT_HYPERCALL 201 1163 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1164 #define KVM_CAP_BINARY_STATS_FD 203 1165 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1166 #define KVM_CAP_ARM_MTE 205 1167 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1168 #define KVM_CAP_VM_GPA_BITS 207 1169 #define KVM_CAP_XSAVE2 208 1170 #define KVM_CAP_SYS_ATTRIBUTES 209 1171 #define KVM_CAP_PPC_AIL_MODE_3 210 1172 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1173 #define KVM_CAP_PMU_CAPABILITY 212 1174 #define KVM_CAP_DISABLE_QUIRKS2 213 1175 #define KVM_CAP_VM_TSC_CONTROL 214 1176 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1177 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1178 #define KVM_CAP_S390_PROTECTED_DUMP 217 1179 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 1180 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 1181 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 1182 #define KVM_CAP_S390_ZPCI_OP 221 1183 #define KVM_CAP_S390_CPU_TOPOLOGY 222 1184 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 1185 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 1186 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 1187 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 1188 #define KVM_CAP_COUNTER_OFFSET 227 1189 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 1190 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 1191 1192 #ifdef KVM_CAP_IRQ_ROUTING 1193 1194 struct kvm_irq_routing_irqchip { 1195 __u32 irqchip; 1196 __u32 pin; 1197 }; 1198 1199 struct kvm_irq_routing_msi { 1200 __u32 address_lo; 1201 __u32 address_hi; 1202 __u32 data; 1203 union { 1204 __u32 pad; 1205 __u32 devid; 1206 }; 1207 }; 1208 1209 struct kvm_irq_routing_s390_adapter { 1210 __u64 ind_addr; 1211 __u64 summary_addr; 1212 __u64 ind_offset; 1213 __u32 summary_offset; 1214 __u32 adapter_id; 1215 }; 1216 1217 struct kvm_irq_routing_hv_sint { 1218 __u32 vcpu; 1219 __u32 sint; 1220 }; 1221 1222 struct kvm_irq_routing_xen_evtchn { 1223 __u32 port; 1224 __u32 vcpu; 1225 __u32 priority; 1226 }; 1227 1228 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1229 1230 /* gsi routing entry types */ 1231 #define KVM_IRQ_ROUTING_IRQCHIP 1 1232 #define KVM_IRQ_ROUTING_MSI 2 1233 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1234 #define KVM_IRQ_ROUTING_HV_SINT 4 1235 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1236 1237 struct kvm_irq_routing_entry { 1238 __u32 gsi; 1239 __u32 type; 1240 __u32 flags; 1241 __u32 pad; 1242 union { 1243 struct kvm_irq_routing_irqchip irqchip; 1244 struct kvm_irq_routing_msi msi; 1245 struct kvm_irq_routing_s390_adapter adapter; 1246 struct kvm_irq_routing_hv_sint hv_sint; 1247 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1248 __u32 pad[8]; 1249 } u; 1250 }; 1251 1252 struct kvm_irq_routing { 1253 __u32 nr; 1254 __u32 flags; 1255 struct kvm_irq_routing_entry entries[]; 1256 }; 1257 1258 #endif 1259 1260 #ifdef KVM_CAP_MCE 1261 /* x86 MCE */ 1262 struct kvm_x86_mce { 1263 __u64 status; 1264 __u64 addr; 1265 __u64 misc; 1266 __u64 mcg_status; 1267 __u8 bank; 1268 __u8 pad1[7]; 1269 __u64 pad2[3]; 1270 }; 1271 #endif 1272 1273 #ifdef KVM_CAP_XEN_HVM 1274 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1275 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1276 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1277 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1278 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1279 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1280 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 1281 1282 struct kvm_xen_hvm_config { 1283 __u32 flags; 1284 __u32 msr; 1285 __u64 blob_addr_32; 1286 __u64 blob_addr_64; 1287 __u8 blob_size_32; 1288 __u8 blob_size_64; 1289 __u8 pad2[30]; 1290 }; 1291 #endif 1292 1293 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1294 /* 1295 * Available with KVM_CAP_IRQFD_RESAMPLE 1296 * 1297 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1298 * the irqfd to operate in resampling mode for level triggered interrupt 1299 * emulation. See Documentation/virt/kvm/api.rst. 1300 */ 1301 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1302 1303 struct kvm_irqfd { 1304 __u32 fd; 1305 __u32 gsi; 1306 __u32 flags; 1307 __u32 resamplefd; 1308 __u8 pad[16]; 1309 }; 1310 1311 /* For KVM_CAP_ADJUST_CLOCK */ 1312 1313 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1314 #define KVM_CLOCK_TSC_STABLE 2 1315 #define KVM_CLOCK_REALTIME (1 << 2) 1316 #define KVM_CLOCK_HOST_TSC (1 << 3) 1317 1318 struct kvm_clock_data { 1319 __u64 clock; 1320 __u32 flags; 1321 __u32 pad0; 1322 __u64 realtime; 1323 __u64 host_tsc; 1324 __u32 pad[4]; 1325 }; 1326 1327 /* For KVM_CAP_SW_TLB */ 1328 1329 #define KVM_MMU_FSL_BOOKE_NOHV 0 1330 #define KVM_MMU_FSL_BOOKE_HV 1 1331 1332 struct kvm_config_tlb { 1333 __u64 params; 1334 __u64 array; 1335 __u32 mmu_type; 1336 __u32 array_len; 1337 }; 1338 1339 struct kvm_dirty_tlb { 1340 __u64 bitmap; 1341 __u32 num_dirty; 1342 }; 1343 1344 /* Available with KVM_CAP_ONE_REG */ 1345 1346 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1347 #define KVM_REG_GENERIC 0x0000000000000000ULL 1348 1349 /* 1350 * Architecture specific registers are to be defined in arch headers and 1351 * ORed with the arch identifier. 1352 */ 1353 #define KVM_REG_PPC 0x1000000000000000ULL 1354 #define KVM_REG_X86 0x2000000000000000ULL 1355 #define KVM_REG_IA64 0x3000000000000000ULL 1356 #define KVM_REG_ARM 0x4000000000000000ULL 1357 #define KVM_REG_S390 0x5000000000000000ULL 1358 #define KVM_REG_ARM64 0x6000000000000000ULL 1359 #define KVM_REG_MIPS 0x7000000000000000ULL 1360 #define KVM_REG_RISCV 0x8000000000000000ULL 1361 1362 #define KVM_REG_SIZE_SHIFT 52 1363 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1364 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1365 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1366 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1367 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1368 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1369 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1370 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1371 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1372 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1373 1374 struct kvm_reg_list { 1375 __u64 n; /* number of regs */ 1376 __u64 reg[]; 1377 }; 1378 1379 struct kvm_one_reg { 1380 __u64 id; 1381 __u64 addr; 1382 }; 1383 1384 #define KVM_MSI_VALID_DEVID (1U << 0) 1385 struct kvm_msi { 1386 __u32 address_lo; 1387 __u32 address_hi; 1388 __u32 data; 1389 __u32 flags; 1390 __u32 devid; 1391 __u8 pad[12]; 1392 }; 1393 1394 struct kvm_arm_device_addr { 1395 __u64 id; 1396 __u64 addr; 1397 }; 1398 1399 /* 1400 * Device control API, available with KVM_CAP_DEVICE_CTRL 1401 */ 1402 #define KVM_CREATE_DEVICE_TEST 1 1403 1404 struct kvm_create_device { 1405 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1406 __u32 fd; /* out: device handle */ 1407 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1408 }; 1409 1410 struct kvm_device_attr { 1411 __u32 flags; /* no flags currently defined */ 1412 __u32 group; /* device-defined */ 1413 __u64 attr; /* group-defined */ 1414 __u64 addr; /* userspace address of attr data */ 1415 }; 1416 1417 #define KVM_DEV_VFIO_GROUP 1 1418 #define KVM_DEV_VFIO_GROUP_ADD 1 1419 #define KVM_DEV_VFIO_GROUP_DEL 2 1420 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1421 1422 enum kvm_device_type { 1423 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1424 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1425 KVM_DEV_TYPE_FSL_MPIC_42, 1426 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1427 KVM_DEV_TYPE_XICS, 1428 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1429 KVM_DEV_TYPE_VFIO, 1430 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1431 KVM_DEV_TYPE_ARM_VGIC_V2, 1432 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1433 KVM_DEV_TYPE_FLIC, 1434 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1435 KVM_DEV_TYPE_ARM_VGIC_V3, 1436 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1437 KVM_DEV_TYPE_ARM_VGIC_ITS, 1438 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1439 KVM_DEV_TYPE_XIVE, 1440 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1441 KVM_DEV_TYPE_ARM_PV_TIME, 1442 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1443 KVM_DEV_TYPE_RISCV_AIA, 1444 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1445 KVM_DEV_TYPE_MAX, 1446 }; 1447 1448 struct kvm_vfio_spapr_tce { 1449 __s32 groupfd; 1450 __s32 tablefd; 1451 }; 1452 1453 /* 1454 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1455 * a vcpu fd. 1456 */ 1457 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1458 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1459 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1460 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1461 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1462 struct kvm_userspace_memory_region) 1463 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1464 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1465 1466 /* enable ucontrol for s390 */ 1467 struct kvm_s390_ucas_mapping { 1468 __u64 user_addr; 1469 __u64 vcpu_addr; 1470 __u64 length; 1471 }; 1472 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1473 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1474 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1475 1476 /* Device model IOC */ 1477 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1478 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1479 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1480 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1481 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1482 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1483 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1484 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1485 #define KVM_REGISTER_COALESCED_MMIO \ 1486 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1487 #define KVM_UNREGISTER_COALESCED_MMIO \ 1488 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1489 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1490 struct kvm_assigned_pci_dev) 1491 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1492 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1493 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1494 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1495 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1496 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1497 struct kvm_assigned_pci_dev) 1498 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1499 struct kvm_assigned_msix_nr) 1500 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1501 struct kvm_assigned_msix_entry) 1502 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1503 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1504 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1505 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1506 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1507 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1508 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1509 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1510 /* Available with KVM_CAP_PIT_STATE2 */ 1511 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1512 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1513 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1514 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1515 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1516 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1517 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1518 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1519 /* Available with KVM_CAP_PCI_2_3 */ 1520 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1521 struct kvm_assigned_pci_dev) 1522 /* Available with KVM_CAP_SIGNAL_MSI */ 1523 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1524 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1525 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1526 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1527 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1528 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1529 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1530 struct kvm_create_spapr_tce_64) 1531 /* Available with KVM_CAP_RMA */ 1532 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1533 /* Available with KVM_CAP_PPC_HTAB_FD */ 1534 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1535 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1536 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1537 /* Available with KVM_CAP_PPC_RTAS */ 1538 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1539 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1540 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1541 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1542 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1543 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1544 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1545 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1546 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1547 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1548 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1549 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1550 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1551 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1552 /* Available with KVM_CAP_COUNTER_OFFSET */ 1553 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1554 1555 /* ioctl for vm fd */ 1556 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1557 1558 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1559 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1560 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1561 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1562 1563 /* 1564 * ioctls for vcpu fds 1565 */ 1566 #define KVM_RUN _IO(KVMIO, 0x80) 1567 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1568 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1569 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1570 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1571 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1572 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1573 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1574 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1575 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1576 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1577 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1578 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1579 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1580 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1581 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1582 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1583 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1584 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1585 /* Available with KVM_CAP_VAPIC */ 1586 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1587 /* Available with KVM_CAP_VAPIC */ 1588 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1589 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1590 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1591 /* store status for s390 */ 1592 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1593 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1594 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1595 /* initial ipl psw for s390 */ 1596 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1597 /* initial reset for s390 */ 1598 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1599 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1600 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1601 /* Available with KVM_CAP_USER_NMI */ 1602 #define KVM_NMI _IO(KVMIO, 0x9a) 1603 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1604 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1605 /* MCE for x86 */ 1606 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1607 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1608 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1609 /* Available with KVM_CAP_VCPU_EVENTS */ 1610 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1611 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1612 /* Available with KVM_CAP_DEBUGREGS */ 1613 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1614 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1615 /* 1616 * vcpu version available with KVM_CAP_ENABLE_CAP 1617 * vm version available with KVM_CAP_ENABLE_CAP_VM 1618 */ 1619 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1620 /* Available with KVM_CAP_XSAVE */ 1621 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1622 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1623 /* Available with KVM_CAP_XCRS */ 1624 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1625 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1626 /* Available with KVM_CAP_SW_TLB */ 1627 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1628 /* Available with KVM_CAP_ONE_REG */ 1629 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1630 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1631 /* VM is being stopped by host */ 1632 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1633 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1634 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1635 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1636 /* Available with KVM_CAP_S390_MEM_OP */ 1637 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1638 /* Available with KVM_CAP_S390_SKEYS */ 1639 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1640 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1641 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1642 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1643 /* Available with KVM_CAP_S390_IRQ_STATE */ 1644 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1645 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1646 /* Available with KVM_CAP_X86_SMM */ 1647 #define KVM_SMI _IO(KVMIO, 0xb7) 1648 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1649 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1650 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1651 /* Memory Encryption Commands */ 1652 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1653 1654 struct kvm_enc_region { 1655 __u64 addr; 1656 __u64 size; 1657 }; 1658 1659 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1660 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1661 1662 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1663 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1664 1665 /* Available with KVM_CAP_NESTED_STATE */ 1666 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1667 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1668 1669 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1670 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1671 1672 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1673 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1674 1675 /* Available with KVM_CAP_ARM_SVE */ 1676 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1677 1678 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1679 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1680 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1681 1682 struct kvm_s390_pv_sec_parm { 1683 __u64 origin; 1684 __u64 length; 1685 }; 1686 1687 struct kvm_s390_pv_unp { 1688 __u64 addr; 1689 __u64 size; 1690 __u64 tweak; 1691 }; 1692 1693 enum pv_cmd_dmp_id { 1694 KVM_PV_DUMP_INIT, 1695 KVM_PV_DUMP_CONFIG_STOR_STATE, 1696 KVM_PV_DUMP_COMPLETE, 1697 KVM_PV_DUMP_CPU, 1698 }; 1699 1700 struct kvm_s390_pv_dmp { 1701 __u64 subcmd; 1702 __u64 buff_addr; 1703 __u64 buff_len; 1704 __u64 gaddr; /* For dump storage state */ 1705 __u64 reserved[4]; 1706 }; 1707 1708 enum pv_cmd_info_id { 1709 KVM_PV_INFO_VM, 1710 KVM_PV_INFO_DUMP, 1711 }; 1712 1713 struct kvm_s390_pv_info_dump { 1714 __u64 dump_cpu_buffer_len; 1715 __u64 dump_config_mem_buffer_per_1m; 1716 __u64 dump_config_finalize_len; 1717 }; 1718 1719 struct kvm_s390_pv_info_vm { 1720 __u64 inst_calls_list[4]; 1721 __u64 max_cpus; 1722 __u64 max_guests; 1723 __u64 max_guest_addr; 1724 __u64 feature_indication; 1725 }; 1726 1727 struct kvm_s390_pv_info_header { 1728 __u32 id; 1729 __u32 len_max; 1730 __u32 len_written; 1731 __u32 reserved; 1732 }; 1733 1734 struct kvm_s390_pv_info { 1735 struct kvm_s390_pv_info_header header; 1736 union { 1737 struct kvm_s390_pv_info_dump dump; 1738 struct kvm_s390_pv_info_vm vm; 1739 }; 1740 }; 1741 1742 enum pv_cmd_id { 1743 KVM_PV_ENABLE, 1744 KVM_PV_DISABLE, 1745 KVM_PV_SET_SEC_PARMS, 1746 KVM_PV_UNPACK, 1747 KVM_PV_VERIFY, 1748 KVM_PV_PREP_RESET, 1749 KVM_PV_UNSHARE_ALL, 1750 KVM_PV_INFO, 1751 KVM_PV_DUMP, 1752 KVM_PV_ASYNC_CLEANUP_PREPARE, 1753 KVM_PV_ASYNC_CLEANUP_PERFORM, 1754 }; 1755 1756 struct kvm_pv_cmd { 1757 __u32 cmd; /* Command to be executed */ 1758 __u16 rc; /* Ultravisor return code */ 1759 __u16 rrc; /* Ultravisor return reason code */ 1760 __u64 data; /* Data or address */ 1761 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1762 __u32 reserved[3]; 1763 }; 1764 1765 /* Available with KVM_CAP_S390_PROTECTED */ 1766 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1767 1768 /* Available with KVM_CAP_X86_MSR_FILTER */ 1769 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1770 1771 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1772 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1773 1774 /* Per-VM Xen attributes */ 1775 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1776 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1777 1778 struct kvm_xen_hvm_attr { 1779 __u16 type; 1780 __u16 pad[3]; 1781 union { 1782 __u8 long_mode; 1783 __u8 vector; 1784 __u8 runstate_update_flag; 1785 struct { 1786 __u64 gfn; 1787 #define KVM_XEN_INVALID_GFN ((__u64)-1) 1788 } shared_info; 1789 struct { 1790 __u32 send_port; 1791 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1792 __u32 flags; 1793 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1794 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1795 #define KVM_XEN_EVTCHN_RESET (1 << 2) 1796 /* 1797 * Events sent by the guest are either looped back to 1798 * the guest itself (potentially on a different port#) 1799 * or signalled via an eventfd. 1800 */ 1801 union { 1802 struct { 1803 __u32 port; 1804 __u32 vcpu; 1805 __u32 priority; 1806 } port; 1807 struct { 1808 __u32 port; /* Zero for eventfd */ 1809 __s32 fd; 1810 } eventfd; 1811 __u32 padding[4]; 1812 } deliver; 1813 } evtchn; 1814 __u32 xen_version; 1815 __u64 pad[8]; 1816 } u; 1817 }; 1818 1819 1820 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1821 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1822 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1823 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1824 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1825 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1826 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1827 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 1828 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 1829 1830 /* Per-vCPU Xen attributes */ 1831 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1832 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1833 1834 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1835 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1836 1837 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1838 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1839 1840 struct kvm_xen_vcpu_attr { 1841 __u16 type; 1842 __u16 pad[3]; 1843 union { 1844 __u64 gpa; 1845 #define KVM_XEN_INVALID_GPA ((__u64)-1) 1846 __u64 pad[8]; 1847 struct { 1848 __u64 state; 1849 __u64 state_entry_time; 1850 __u64 time_running; 1851 __u64 time_runnable; 1852 __u64 time_blocked; 1853 __u64 time_offline; 1854 } runstate; 1855 __u32 vcpu_id; 1856 struct { 1857 __u32 port; 1858 __u32 priority; 1859 __u64 expires_ns; 1860 } timer; 1861 __u8 vector; 1862 } u; 1863 }; 1864 1865 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1866 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1867 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1868 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1869 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1870 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1871 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1872 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1873 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1874 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1875 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1876 1877 /* Secure Encrypted Virtualization command */ 1878 enum sev_cmd_id { 1879 /* Guest initialization commands */ 1880 KVM_SEV_INIT = 0, 1881 KVM_SEV_ES_INIT, 1882 /* Guest launch commands */ 1883 KVM_SEV_LAUNCH_START, 1884 KVM_SEV_LAUNCH_UPDATE_DATA, 1885 KVM_SEV_LAUNCH_UPDATE_VMSA, 1886 KVM_SEV_LAUNCH_SECRET, 1887 KVM_SEV_LAUNCH_MEASURE, 1888 KVM_SEV_LAUNCH_FINISH, 1889 /* Guest migration commands (outgoing) */ 1890 KVM_SEV_SEND_START, 1891 KVM_SEV_SEND_UPDATE_DATA, 1892 KVM_SEV_SEND_UPDATE_VMSA, 1893 KVM_SEV_SEND_FINISH, 1894 /* Guest migration commands (incoming) */ 1895 KVM_SEV_RECEIVE_START, 1896 KVM_SEV_RECEIVE_UPDATE_DATA, 1897 KVM_SEV_RECEIVE_UPDATE_VMSA, 1898 KVM_SEV_RECEIVE_FINISH, 1899 /* Guest status and debug commands */ 1900 KVM_SEV_GUEST_STATUS, 1901 KVM_SEV_DBG_DECRYPT, 1902 KVM_SEV_DBG_ENCRYPT, 1903 /* Guest certificates commands */ 1904 KVM_SEV_CERT_EXPORT, 1905 /* Attestation report */ 1906 KVM_SEV_GET_ATTESTATION_REPORT, 1907 /* Guest Migration Extension */ 1908 KVM_SEV_SEND_CANCEL, 1909 1910 KVM_SEV_NR_MAX, 1911 }; 1912 1913 struct kvm_sev_cmd { 1914 __u32 id; 1915 __u64 data; 1916 __u32 error; 1917 __u32 sev_fd; 1918 }; 1919 1920 struct kvm_sev_launch_start { 1921 __u32 handle; 1922 __u32 policy; 1923 __u64 dh_uaddr; 1924 __u32 dh_len; 1925 __u64 session_uaddr; 1926 __u32 session_len; 1927 }; 1928 1929 struct kvm_sev_launch_update_data { 1930 __u64 uaddr; 1931 __u32 len; 1932 }; 1933 1934 1935 struct kvm_sev_launch_secret { 1936 __u64 hdr_uaddr; 1937 __u32 hdr_len; 1938 __u64 guest_uaddr; 1939 __u32 guest_len; 1940 __u64 trans_uaddr; 1941 __u32 trans_len; 1942 }; 1943 1944 struct kvm_sev_launch_measure { 1945 __u64 uaddr; 1946 __u32 len; 1947 }; 1948 1949 struct kvm_sev_guest_status { 1950 __u32 handle; 1951 __u32 policy; 1952 __u32 state; 1953 }; 1954 1955 struct kvm_sev_dbg { 1956 __u64 src_uaddr; 1957 __u64 dst_uaddr; 1958 __u32 len; 1959 }; 1960 1961 struct kvm_sev_attestation_report { 1962 __u8 mnonce[16]; 1963 __u64 uaddr; 1964 __u32 len; 1965 }; 1966 1967 struct kvm_sev_send_start { 1968 __u32 policy; 1969 __u64 pdh_cert_uaddr; 1970 __u32 pdh_cert_len; 1971 __u64 plat_certs_uaddr; 1972 __u32 plat_certs_len; 1973 __u64 amd_certs_uaddr; 1974 __u32 amd_certs_len; 1975 __u64 session_uaddr; 1976 __u32 session_len; 1977 }; 1978 1979 struct kvm_sev_send_update_data { 1980 __u64 hdr_uaddr; 1981 __u32 hdr_len; 1982 __u64 guest_uaddr; 1983 __u32 guest_len; 1984 __u64 trans_uaddr; 1985 __u32 trans_len; 1986 }; 1987 1988 struct kvm_sev_receive_start { 1989 __u32 handle; 1990 __u32 policy; 1991 __u64 pdh_uaddr; 1992 __u32 pdh_len; 1993 __u64 session_uaddr; 1994 __u32 session_len; 1995 }; 1996 1997 struct kvm_sev_receive_update_data { 1998 __u64 hdr_uaddr; 1999 __u32 hdr_len; 2000 __u64 guest_uaddr; 2001 __u32 guest_len; 2002 __u64 trans_uaddr; 2003 __u32 trans_len; 2004 }; 2005 2006 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 2007 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 2008 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 2009 2010 struct kvm_assigned_pci_dev { 2011 __u32 assigned_dev_id; 2012 __u32 busnr; 2013 __u32 devfn; 2014 __u32 flags; 2015 __u32 segnr; 2016 union { 2017 __u32 reserved[11]; 2018 }; 2019 }; 2020 2021 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 2022 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 2023 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 2024 2025 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 2026 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 2027 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 2028 2029 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 2030 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 2031 2032 struct kvm_assigned_irq { 2033 __u32 assigned_dev_id; 2034 __u32 host_irq; /* ignored (legacy field) */ 2035 __u32 guest_irq; 2036 __u32 flags; 2037 union { 2038 __u32 reserved[12]; 2039 }; 2040 }; 2041 2042 struct kvm_assigned_msix_nr { 2043 __u32 assigned_dev_id; 2044 __u16 entry_nr; 2045 __u16 padding; 2046 }; 2047 2048 #define KVM_MAX_MSIX_PER_DEV 256 2049 struct kvm_assigned_msix_entry { 2050 __u32 assigned_dev_id; 2051 __u32 gsi; 2052 __u16 entry; /* The index of entry in the MSI-X table */ 2053 __u16 padding[3]; 2054 }; 2055 2056 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 2057 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 2058 2059 /* Available with KVM_CAP_ARM_USER_IRQ */ 2060 2061 /* Bits for run->s.regs.device_irq_level */ 2062 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 2063 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 2064 #define KVM_ARM_DEV_PMU (1 << 2) 2065 2066 struct kvm_hyperv_eventfd { 2067 __u32 conn_id; 2068 __s32 fd; 2069 __u32 flags; 2070 __u32 padding[3]; 2071 }; 2072 2073 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 2074 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 2075 2076 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 2077 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 2078 2079 /* 2080 * Arch needs to define the macro after implementing the dirty ring 2081 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 2082 * starting page offset of the dirty ring structures. 2083 */ 2084 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 2085 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 2086 #endif 2087 2088 /* 2089 * KVM dirty GFN flags, defined as: 2090 * 2091 * |---------------+---------------+--------------| 2092 * | bit 1 (reset) | bit 0 (dirty) | Status | 2093 * |---------------+---------------+--------------| 2094 * | 0 | 0 | Invalid GFN | 2095 * | 0 | 1 | Dirty GFN | 2096 * | 1 | X | GFN to reset | 2097 * |---------------+---------------+--------------| 2098 * 2099 * Lifecycle of a dirty GFN goes like: 2100 * 2101 * dirtied harvested reset 2102 * 00 -----------> 01 -------------> 1X -------+ 2103 * ^ | 2104 * | | 2105 * +------------------------------------------+ 2106 * 2107 * The userspace program is only responsible for the 01->1X state 2108 * conversion after harvesting an entry. Also, it must not skip any 2109 * dirty bits, so that dirty bits are always harvested in sequence. 2110 */ 2111 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2112 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2113 #define KVM_DIRTY_GFN_F_MASK 0x3 2114 2115 /* 2116 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2117 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2118 * size of the gfn buffer is decided by the first argument when 2119 * enabling KVM_CAP_DIRTY_LOG_RING. 2120 */ 2121 struct kvm_dirty_gfn { 2122 __u32 flags; 2123 __u32 slot; 2124 __u64 offset; 2125 }; 2126 2127 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2128 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2129 2130 #define KVM_PMU_CAP_DISABLE (1 << 0) 2131 2132 /** 2133 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2134 * @flags: Some extra information for header, always 0 for now. 2135 * @name_size: The size in bytes of the memory which contains statistics 2136 * name string including trailing '\0'. The memory is allocated 2137 * at the send of statistics descriptor. 2138 * @num_desc: The number of statistics the vm or vcpu has. 2139 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2140 * by vm/vcpu stats fd. 2141 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2142 * pointd by vm/vcpu stats fd. 2143 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2144 * pointed by vm/vcpu stats fd. 2145 * 2146 * This is the header userspace needs to read from stats fd before any other 2147 * readings. It is used by userspace to discover all the information about the 2148 * vm/vcpu's binary statistics. 2149 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2150 */ 2151 struct kvm_stats_header { 2152 __u32 flags; 2153 __u32 name_size; 2154 __u32 num_desc; 2155 __u32 id_offset; 2156 __u32 desc_offset; 2157 __u32 data_offset; 2158 }; 2159 2160 #define KVM_STATS_TYPE_SHIFT 0 2161 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2162 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2163 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2164 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2165 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2166 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2167 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2168 2169 #define KVM_STATS_UNIT_SHIFT 4 2170 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2171 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2172 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2173 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2174 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2175 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 2176 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 2177 2178 #define KVM_STATS_BASE_SHIFT 8 2179 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2180 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2181 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2182 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2183 2184 /** 2185 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2186 * @flags: Annotations of the stats, like type, unit, etc. 2187 * @exponent: Used together with @flags to determine the unit. 2188 * @size: The number of data items for this stats. 2189 * Every data item is of type __u64. 2190 * @offset: The offset of the stats to the start of stat structure in 2191 * structure kvm or kvm_vcpu. 2192 * @bucket_size: A parameter value used for histogram stats. It is only used 2193 * for linear histogram stats, specifying the size of the bucket; 2194 * @name: The name string for the stats. Its size is indicated by the 2195 * &kvm_stats_header->name_size. 2196 */ 2197 struct kvm_stats_desc { 2198 __u32 flags; 2199 __s16 exponent; 2200 __u16 size; 2201 __u32 offset; 2202 __u32 bucket_size; 2203 char name[]; 2204 }; 2205 2206 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2207 2208 /* Available with KVM_CAP_XSAVE2 */ 2209 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2210 2211 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 2212 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 2213 2214 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 2215 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 2216 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 2217 2218 /* Available with KVM_CAP_S390_ZPCI_OP */ 2219 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 2220 2221 struct kvm_s390_zpci_op { 2222 /* in */ 2223 __u32 fh; /* target device */ 2224 __u8 op; /* operation to perform */ 2225 __u8 pad[3]; 2226 union { 2227 /* for KVM_S390_ZPCIOP_REG_AEN */ 2228 struct { 2229 __u64 ibv; /* Guest addr of interrupt bit vector */ 2230 __u64 sb; /* Guest addr of summary bit */ 2231 __u32 flags; 2232 __u32 noi; /* Number of interrupts */ 2233 __u8 isc; /* Guest interrupt subclass */ 2234 __u8 sbo; /* Offset of guest summary bit vector */ 2235 __u16 pad; 2236 } reg_aen; 2237 __u64 reserved[8]; 2238 } u; 2239 }; 2240 2241 /* types for kvm_s390_zpci_op->op */ 2242 #define KVM_S390_ZPCIOP_REG_AEN 0 2243 #define KVM_S390_ZPCIOP_DEREG_AEN 1 2244 2245 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */ 2246 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) 2247 2248 #endif /* __LINUX_KVM_H */ 2249