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_CREATE_MEMORY_REGION */ 90 struct kvm_memory_region { 91 __u32 slot; 92 __u32 flags; 93 __u64 guest_phys_addr; 94 __u64 memory_size; /* bytes */ 95 }; 96 97 /* for KVM_SET_USER_MEMORY_REGION */ 98 struct kvm_userspace_memory_region { 99 __u32 slot; 100 __u32 flags; 101 __u64 guest_phys_addr; 102 __u64 memory_size; /* bytes */ 103 __u64 userspace_addr; /* start of the userspace allocated memory */ 104 }; 105 106 /* 107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, 108 * other bits are reserved for kvm internal use which are defined in 109 * include/linux/kvm_host.h. 110 */ 111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 112 #define KVM_MEM_READONLY (1UL << 1) 113 114 /* for KVM_IRQ_LINE */ 115 struct kvm_irq_level { 116 /* 117 * ACPI gsi notion of irq. 118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 120 * For ARM: See Documentation/virt/kvm/api.rst 121 */ 122 union { 123 __u32 irq; 124 __s32 status; 125 }; 126 __u32 level; 127 }; 128 129 130 struct kvm_irqchip { 131 __u32 chip_id; 132 __u32 pad; 133 union { 134 char dummy[512]; /* reserving space */ 135 #ifdef __KVM_HAVE_PIT 136 struct kvm_pic_state pic; 137 #endif 138 #ifdef __KVM_HAVE_IOAPIC 139 struct kvm_ioapic_state ioapic; 140 #endif 141 } chip; 142 }; 143 144 /* for KVM_CREATE_PIT2 */ 145 struct kvm_pit_config { 146 __u32 flags; 147 __u32 pad[15]; 148 }; 149 150 #define KVM_PIT_SPEAKER_DUMMY 1 151 152 struct kvm_s390_skeys { 153 __u64 start_gfn; 154 __u64 count; 155 __u64 skeydata_addr; 156 __u32 flags; 157 __u32 reserved[9]; 158 }; 159 160 #define KVM_S390_CMMA_PEEK (1 << 0) 161 162 /** 163 * kvm_s390_cmma_log - Used for CMMA migration. 164 * 165 * Used both for input and output. 166 * 167 * @start_gfn: Guest page number to start from. 168 * @count: Size of the result buffer. 169 * @flags: Control operation mode via KVM_S390_CMMA_* flags 170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 171 * pages are still remaining. 172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 173 * in the PGSTE. 174 * @values: Pointer to the values buffer. 175 * 176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 177 */ 178 struct kvm_s390_cmma_log { 179 __u64 start_gfn; 180 __u32 count; 181 __u32 flags; 182 union { 183 __u64 remaining; 184 __u64 mask; 185 }; 186 __u64 values; 187 }; 188 189 struct kvm_hyperv_exit { 190 #define KVM_EXIT_HYPERV_SYNIC 1 191 #define KVM_EXIT_HYPERV_HCALL 2 192 #define KVM_EXIT_HYPERV_SYNDBG 3 193 __u32 type; 194 __u32 pad1; 195 union { 196 struct { 197 __u32 msr; 198 __u32 pad2; 199 __u64 control; 200 __u64 evt_page; 201 __u64 msg_page; 202 } synic; 203 struct { 204 __u64 input; 205 __u64 result; 206 __u64 params[2]; 207 } hcall; 208 struct { 209 __u32 msr; 210 __u32 pad2; 211 __u64 control; 212 __u64 status; 213 __u64 send_page; 214 __u64 recv_page; 215 __u64 pending_page; 216 } syndbg; 217 } u; 218 }; 219 220 struct kvm_xen_exit { 221 #define KVM_EXIT_XEN_HCALL 1 222 __u32 type; 223 union { 224 struct { 225 __u32 longmode; 226 __u32 cpl; 227 __u64 input; 228 __u64 result; 229 __u64 params[6]; 230 } hcall; 231 } u; 232 }; 233 234 #define KVM_S390_GET_SKEYS_NONE 1 235 #define KVM_S390_SKEYS_MAX 1048576 236 237 #define KVM_EXIT_UNKNOWN 0 238 #define KVM_EXIT_EXCEPTION 1 239 #define KVM_EXIT_IO 2 240 #define KVM_EXIT_HYPERCALL 3 241 #define KVM_EXIT_DEBUG 4 242 #define KVM_EXIT_HLT 5 243 #define KVM_EXIT_MMIO 6 244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 245 #define KVM_EXIT_SHUTDOWN 8 246 #define KVM_EXIT_FAIL_ENTRY 9 247 #define KVM_EXIT_INTR 10 248 #define KVM_EXIT_SET_TPR 11 249 #define KVM_EXIT_TPR_ACCESS 12 250 #define KVM_EXIT_S390_SIEIC 13 251 #define KVM_EXIT_S390_RESET 14 252 #define KVM_EXIT_DCR 15 /* deprecated */ 253 #define KVM_EXIT_NMI 16 254 #define KVM_EXIT_INTERNAL_ERROR 17 255 #define KVM_EXIT_OSI 18 256 #define KVM_EXIT_PAPR_HCALL 19 257 #define KVM_EXIT_S390_UCONTROL 20 258 #define KVM_EXIT_WATCHDOG 21 259 #define KVM_EXIT_S390_TSCH 22 260 #define KVM_EXIT_EPR 23 261 #define KVM_EXIT_SYSTEM_EVENT 24 262 #define KVM_EXIT_S390_STSI 25 263 #define KVM_EXIT_IOAPIC_EOI 26 264 #define KVM_EXIT_HYPERV 27 265 #define KVM_EXIT_ARM_NISV 28 266 #define KVM_EXIT_X86_RDMSR 29 267 #define KVM_EXIT_X86_WRMSR 30 268 #define KVM_EXIT_DIRTY_RING_FULL 31 269 #define KVM_EXIT_AP_RESET_HOLD 32 270 #define KVM_EXIT_X86_BUS_LOCK 33 271 #define KVM_EXIT_XEN 34 272 #define KVM_EXIT_RISCV_SBI 35 273 274 /* For KVM_EXIT_INTERNAL_ERROR */ 275 /* Emulate instruction failed. */ 276 #define KVM_INTERNAL_ERROR_EMULATION 1 277 /* Encounter unexpected simultaneous exceptions. */ 278 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 279 /* Encounter unexpected vm-exit due to delivery event. */ 280 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 281 /* Encounter unexpected vm-exit reason */ 282 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 283 284 /* Flags that describe what fields in emulation_failure hold valid data. */ 285 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 286 287 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 288 struct kvm_run { 289 /* in */ 290 __u8 request_interrupt_window; 291 __u8 immediate_exit; 292 __u8 padding1[6]; 293 294 /* out */ 295 __u32 exit_reason; 296 __u8 ready_for_interrupt_injection; 297 __u8 if_flag; 298 __u16 flags; 299 300 /* in (pre_kvm_run), out (post_kvm_run) */ 301 __u64 cr8; 302 __u64 apic_base; 303 304 #ifdef __KVM_S390 305 /* the processor status word for s390 */ 306 __u64 psw_mask; /* psw upper half */ 307 __u64 psw_addr; /* psw lower half */ 308 #endif 309 union { 310 /* KVM_EXIT_UNKNOWN */ 311 struct { 312 __u64 hardware_exit_reason; 313 } hw; 314 /* KVM_EXIT_FAIL_ENTRY */ 315 struct { 316 __u64 hardware_entry_failure_reason; 317 __u32 cpu; 318 } fail_entry; 319 /* KVM_EXIT_EXCEPTION */ 320 struct { 321 __u32 exception; 322 __u32 error_code; 323 } ex; 324 /* KVM_EXIT_IO */ 325 struct { 326 #define KVM_EXIT_IO_IN 0 327 #define KVM_EXIT_IO_OUT 1 328 __u8 direction; 329 __u8 size; /* bytes */ 330 __u16 port; 331 __u32 count; 332 __u64 data_offset; /* relative to kvm_run start */ 333 } io; 334 /* KVM_EXIT_DEBUG */ 335 struct { 336 struct kvm_debug_exit_arch arch; 337 } debug; 338 /* KVM_EXIT_MMIO */ 339 struct { 340 __u64 phys_addr; 341 __u8 data[8]; 342 __u32 len; 343 __u8 is_write; 344 } mmio; 345 /* KVM_EXIT_HYPERCALL */ 346 struct { 347 __u64 nr; 348 __u64 args[6]; 349 __u64 ret; 350 __u32 longmode; 351 __u32 pad; 352 } hypercall; 353 /* KVM_EXIT_TPR_ACCESS */ 354 struct { 355 __u64 rip; 356 __u32 is_write; 357 __u32 pad; 358 } tpr_access; 359 /* KVM_EXIT_S390_SIEIC */ 360 struct { 361 __u8 icptcode; 362 __u16 ipa; 363 __u32 ipb; 364 } s390_sieic; 365 /* KVM_EXIT_S390_RESET */ 366 #define KVM_S390_RESET_POR 1 367 #define KVM_S390_RESET_CLEAR 2 368 #define KVM_S390_RESET_SUBSYSTEM 4 369 #define KVM_S390_RESET_CPU_INIT 8 370 #define KVM_S390_RESET_IPL 16 371 __u64 s390_reset_flags; 372 /* KVM_EXIT_S390_UCONTROL */ 373 struct { 374 __u64 trans_exc_code; 375 __u32 pgm_code; 376 } s390_ucontrol; 377 /* KVM_EXIT_DCR (deprecated) */ 378 struct { 379 __u32 dcrn; 380 __u32 data; 381 __u8 is_write; 382 } dcr; 383 /* KVM_EXIT_INTERNAL_ERROR */ 384 struct { 385 __u32 suberror; 386 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 387 __u32 ndata; 388 __u64 data[16]; 389 } internal; 390 /* 391 * KVM_INTERNAL_ERROR_EMULATION 392 * 393 * "struct emulation_failure" is an overlay of "struct internal" 394 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 395 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 396 * sub-types, this struct is ABI! It also needs to be backwards 397 * compatible with "struct internal". Take special care that 398 * "ndata" is correct, that new fields are enumerated in "flags", 399 * and that each flag enumerates fields that are 64-bit aligned 400 * and sized (so that ndata+internal.data[] is valid/accurate). 401 * 402 * Space beyond the defined fields may be used to store arbitrary 403 * debug information relating to the emulation failure. It is 404 * accounted for in "ndata" but the format is unspecified and is 405 * not represented in "flags". Any such information is *not* ABI! 406 */ 407 struct { 408 __u32 suberror; 409 __u32 ndata; 410 __u64 flags; 411 union { 412 struct { 413 __u8 insn_size; 414 __u8 insn_bytes[15]; 415 }; 416 }; 417 /* Arbitrary debug data may follow. */ 418 } emulation_failure; 419 /* KVM_EXIT_OSI */ 420 struct { 421 __u64 gprs[32]; 422 } osi; 423 /* KVM_EXIT_PAPR_HCALL */ 424 struct { 425 __u64 nr; 426 __u64 ret; 427 __u64 args[9]; 428 } papr_hcall; 429 /* KVM_EXIT_S390_TSCH */ 430 struct { 431 __u16 subchannel_id; 432 __u16 subchannel_nr; 433 __u32 io_int_parm; 434 __u32 io_int_word; 435 __u32 ipb; 436 __u8 dequeued; 437 } s390_tsch; 438 /* KVM_EXIT_EPR */ 439 struct { 440 __u32 epr; 441 } epr; 442 /* KVM_EXIT_SYSTEM_EVENT */ 443 struct { 444 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 445 #define KVM_SYSTEM_EVENT_RESET 2 446 #define KVM_SYSTEM_EVENT_CRASH 3 447 __u32 type; 448 __u64 flags; 449 } system_event; 450 /* KVM_EXIT_S390_STSI */ 451 struct { 452 __u64 addr; 453 __u8 ar; 454 __u8 reserved; 455 __u8 fc; 456 __u8 sel1; 457 __u16 sel2; 458 } s390_stsi; 459 /* KVM_EXIT_IOAPIC_EOI */ 460 struct { 461 __u8 vector; 462 } eoi; 463 /* KVM_EXIT_HYPERV */ 464 struct kvm_hyperv_exit hyperv; 465 /* KVM_EXIT_ARM_NISV */ 466 struct { 467 __u64 esr_iss; 468 __u64 fault_ipa; 469 } arm_nisv; 470 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 471 struct { 472 __u8 error; /* user -> kernel */ 473 __u8 pad[7]; 474 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 475 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 476 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 477 __u32 reason; /* kernel -> user */ 478 __u32 index; /* kernel -> user */ 479 __u64 data; /* kernel <-> user */ 480 } msr; 481 /* KVM_EXIT_XEN */ 482 struct kvm_xen_exit xen; 483 /* KVM_EXIT_RISCV_SBI */ 484 struct { 485 unsigned long extension_id; 486 unsigned long function_id; 487 unsigned long args[6]; 488 unsigned long ret[2]; 489 } riscv_sbi; 490 /* Fix the size of the union. */ 491 char padding[256]; 492 }; 493 494 /* 2048 is the size of the char array used to bound/pad the size 495 * of the union that holds sync regs. 496 */ 497 #define SYNC_REGS_SIZE_BYTES 2048 498 /* 499 * shared registers between kvm and userspace. 500 * kvm_valid_regs specifies the register classes set by the host 501 * kvm_dirty_regs specified the register classes dirtied by userspace 502 * struct kvm_sync_regs is architecture specific, as well as the 503 * bits for kvm_valid_regs and kvm_dirty_regs 504 */ 505 __u64 kvm_valid_regs; 506 __u64 kvm_dirty_regs; 507 union { 508 struct kvm_sync_regs regs; 509 char padding[SYNC_REGS_SIZE_BYTES]; 510 } s; 511 }; 512 513 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 514 515 struct kvm_coalesced_mmio_zone { 516 __u64 addr; 517 __u32 size; 518 union { 519 __u32 pad; 520 __u32 pio; 521 }; 522 }; 523 524 struct kvm_coalesced_mmio { 525 __u64 phys_addr; 526 __u32 len; 527 union { 528 __u32 pad; 529 __u32 pio; 530 }; 531 __u8 data[8]; 532 }; 533 534 struct kvm_coalesced_mmio_ring { 535 __u32 first, last; 536 struct kvm_coalesced_mmio coalesced_mmio[0]; 537 }; 538 539 #define KVM_COALESCED_MMIO_MAX \ 540 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 541 sizeof(struct kvm_coalesced_mmio)) 542 543 /* for KVM_TRANSLATE */ 544 struct kvm_translation { 545 /* in */ 546 __u64 linear_address; 547 548 /* out */ 549 __u64 physical_address; 550 __u8 valid; 551 __u8 writeable; 552 __u8 usermode; 553 __u8 pad[5]; 554 }; 555 556 /* for KVM_S390_MEM_OP */ 557 struct kvm_s390_mem_op { 558 /* in */ 559 __u64 gaddr; /* the guest address */ 560 __u64 flags; /* flags */ 561 __u32 size; /* amount of bytes */ 562 __u32 op; /* type of operation */ 563 __u64 buf; /* buffer in userspace */ 564 union { 565 __u8 ar; /* the access register number */ 566 __u32 sida_offset; /* offset into the sida */ 567 __u8 reserved[32]; /* should be set to 0 */ 568 }; 569 }; 570 /* types for kvm_s390_mem_op->op */ 571 #define KVM_S390_MEMOP_LOGICAL_READ 0 572 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 573 #define KVM_S390_MEMOP_SIDA_READ 2 574 #define KVM_S390_MEMOP_SIDA_WRITE 3 575 /* flags for kvm_s390_mem_op->flags */ 576 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 577 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 578 579 /* for KVM_INTERRUPT */ 580 struct kvm_interrupt { 581 /* in */ 582 __u32 irq; 583 }; 584 585 /* for KVM_GET_DIRTY_LOG */ 586 struct kvm_dirty_log { 587 __u32 slot; 588 __u32 padding1; 589 union { 590 void *dirty_bitmap; /* one bit per page */ 591 __u64 padding2; 592 }; 593 }; 594 595 /* for KVM_CLEAR_DIRTY_LOG */ 596 struct kvm_clear_dirty_log { 597 __u32 slot; 598 __u32 num_pages; 599 __u64 first_page; 600 union { 601 void *dirty_bitmap; /* one bit per page */ 602 __u64 padding2; 603 }; 604 }; 605 606 /* for KVM_SET_SIGNAL_MASK */ 607 struct kvm_signal_mask { 608 __u32 len; 609 __u8 sigset[0]; 610 }; 611 612 /* for KVM_TPR_ACCESS_REPORTING */ 613 struct kvm_tpr_access_ctl { 614 __u32 enabled; 615 __u32 flags; 616 __u32 reserved[8]; 617 }; 618 619 /* for KVM_SET_VAPIC_ADDR */ 620 struct kvm_vapic_addr { 621 __u64 vapic_addr; 622 }; 623 624 /* for KVM_SET_MP_STATE */ 625 626 /* not all states are valid on all architectures */ 627 #define KVM_MP_STATE_RUNNABLE 0 628 #define KVM_MP_STATE_UNINITIALIZED 1 629 #define KVM_MP_STATE_INIT_RECEIVED 2 630 #define KVM_MP_STATE_HALTED 3 631 #define KVM_MP_STATE_SIPI_RECEIVED 4 632 #define KVM_MP_STATE_STOPPED 5 633 #define KVM_MP_STATE_CHECK_STOP 6 634 #define KVM_MP_STATE_OPERATING 7 635 #define KVM_MP_STATE_LOAD 8 636 #define KVM_MP_STATE_AP_RESET_HOLD 9 637 638 struct kvm_mp_state { 639 __u32 mp_state; 640 }; 641 642 struct kvm_s390_psw { 643 __u64 mask; 644 __u64 addr; 645 }; 646 647 /* valid values for type in kvm_s390_interrupt */ 648 #define KVM_S390_SIGP_STOP 0xfffe0000u 649 #define KVM_S390_PROGRAM_INT 0xfffe0001u 650 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 651 #define KVM_S390_RESTART 0xfffe0003u 652 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 653 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 654 #define KVM_S390_MCHK 0xfffe1000u 655 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 656 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 657 #define KVM_S390_INT_VIRTIO 0xffff2603u 658 #define KVM_S390_INT_SERVICE 0xffff2401u 659 #define KVM_S390_INT_EMERGENCY 0xffff1201u 660 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 661 /* Anything below 0xfffe0000u is taken by INT_IO */ 662 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 663 (((schid)) | \ 664 ((ssid) << 16) | \ 665 ((cssid) << 18) | \ 666 ((ai) << 26)) 667 #define KVM_S390_INT_IO_MIN 0x00000000u 668 #define KVM_S390_INT_IO_MAX 0xfffdffffu 669 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 670 671 672 struct kvm_s390_interrupt { 673 __u32 type; 674 __u32 parm; 675 __u64 parm64; 676 }; 677 678 struct kvm_s390_io_info { 679 __u16 subchannel_id; 680 __u16 subchannel_nr; 681 __u32 io_int_parm; 682 __u32 io_int_word; 683 }; 684 685 struct kvm_s390_ext_info { 686 __u32 ext_params; 687 __u32 pad; 688 __u64 ext_params2; 689 }; 690 691 struct kvm_s390_pgm_info { 692 __u64 trans_exc_code; 693 __u64 mon_code; 694 __u64 per_address; 695 __u32 data_exc_code; 696 __u16 code; 697 __u16 mon_class_nr; 698 __u8 per_code; 699 __u8 per_atmid; 700 __u8 exc_access_id; 701 __u8 per_access_id; 702 __u8 op_access_id; 703 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 704 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 705 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 706 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 707 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 708 __u8 flags; 709 __u8 pad[2]; 710 }; 711 712 struct kvm_s390_prefix_info { 713 __u32 address; 714 }; 715 716 struct kvm_s390_extcall_info { 717 __u16 code; 718 }; 719 720 struct kvm_s390_emerg_info { 721 __u16 code; 722 }; 723 724 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 725 struct kvm_s390_stop_info { 726 __u32 flags; 727 }; 728 729 struct kvm_s390_mchk_info { 730 __u64 cr14; 731 __u64 mcic; 732 __u64 failing_storage_address; 733 __u32 ext_damage_code; 734 __u32 pad; 735 __u8 fixed_logout[16]; 736 }; 737 738 struct kvm_s390_irq { 739 __u64 type; 740 union { 741 struct kvm_s390_io_info io; 742 struct kvm_s390_ext_info ext; 743 struct kvm_s390_pgm_info pgm; 744 struct kvm_s390_emerg_info emerg; 745 struct kvm_s390_extcall_info extcall; 746 struct kvm_s390_prefix_info prefix; 747 struct kvm_s390_stop_info stop; 748 struct kvm_s390_mchk_info mchk; 749 char reserved[64]; 750 } u; 751 }; 752 753 struct kvm_s390_irq_state { 754 __u64 buf; 755 __u32 flags; /* will stay unused for compatibility reasons */ 756 __u32 len; 757 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 758 }; 759 760 /* for KVM_SET_GUEST_DEBUG */ 761 762 #define KVM_GUESTDBG_ENABLE 0x00000001 763 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 764 765 struct kvm_guest_debug { 766 __u32 control; 767 __u32 pad; 768 struct kvm_guest_debug_arch arch; 769 }; 770 771 enum { 772 kvm_ioeventfd_flag_nr_datamatch, 773 kvm_ioeventfd_flag_nr_pio, 774 kvm_ioeventfd_flag_nr_deassign, 775 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 776 kvm_ioeventfd_flag_nr_fast_mmio, 777 kvm_ioeventfd_flag_nr_max, 778 }; 779 780 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 781 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 782 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 783 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 784 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 785 786 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 787 788 struct kvm_ioeventfd { 789 __u64 datamatch; 790 __u64 addr; /* legal pio/mmio address */ 791 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 792 __s32 fd; 793 __u32 flags; 794 __u8 pad[36]; 795 }; 796 797 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 798 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 799 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 800 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 801 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 802 KVM_X86_DISABLE_EXITS_HLT | \ 803 KVM_X86_DISABLE_EXITS_PAUSE | \ 804 KVM_X86_DISABLE_EXITS_CSTATE) 805 806 /* for KVM_ENABLE_CAP */ 807 struct kvm_enable_cap { 808 /* in */ 809 __u32 cap; 810 __u32 flags; 811 __u64 args[4]; 812 __u8 pad[64]; 813 }; 814 815 /* for KVM_PPC_GET_PVINFO */ 816 817 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 818 819 struct kvm_ppc_pvinfo { 820 /* out */ 821 __u32 flags; 822 __u32 hcall[4]; 823 __u8 pad[108]; 824 }; 825 826 /* for KVM_PPC_GET_SMMU_INFO */ 827 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 828 829 struct kvm_ppc_one_page_size { 830 __u32 page_shift; /* Page shift (or 0) */ 831 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 832 }; 833 834 struct kvm_ppc_one_seg_page_size { 835 __u32 page_shift; /* Base page shift of segment (or 0) */ 836 __u32 slb_enc; /* SLB encoding for BookS */ 837 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 838 }; 839 840 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 841 #define KVM_PPC_1T_SEGMENTS 0x00000002 842 #define KVM_PPC_NO_HASH 0x00000004 843 844 struct kvm_ppc_smmu_info { 845 __u64 flags; 846 __u32 slb_size; 847 __u16 data_keys; /* # storage keys supported for data */ 848 __u16 instr_keys; /* # storage keys supported for instructions */ 849 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 850 }; 851 852 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 853 struct kvm_ppc_resize_hpt { 854 __u64 flags; 855 __u32 shift; 856 __u32 pad; 857 }; 858 859 #define KVMIO 0xAE 860 861 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 862 #define KVM_VM_S390_UCONTROL 1 863 864 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 865 #define KVM_VM_PPC_HV 1 866 #define KVM_VM_PPC_PR 2 867 868 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 869 #define KVM_VM_MIPS_AUTO 0 870 #define KVM_VM_MIPS_VZ 1 871 #define KVM_VM_MIPS_TE 2 872 873 #define KVM_S390_SIE_PAGE_OFFSET 1 874 875 /* 876 * On arm64, machine type can be used to request the physical 877 * address size for the VM. Bits[7-0] are reserved for the guest 878 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 879 * value 0 implies the default IPA size, 40bits. 880 */ 881 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 882 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 883 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 884 /* 885 * ioctls for /dev/kvm fds: 886 */ 887 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 888 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 889 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 890 891 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 892 /* 893 * Check if a kvm extension is available. Argument is extension number, 894 * return is 1 (yes) or 0 (no, sorry). 895 */ 896 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 897 /* 898 * Get size for mmap(vcpu_fd) 899 */ 900 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 901 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 902 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 903 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 904 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 905 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 906 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 907 908 /* 909 * Extension capability list. 910 */ 911 #define KVM_CAP_IRQCHIP 0 912 #define KVM_CAP_HLT 1 913 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 914 #define KVM_CAP_USER_MEMORY 3 915 #define KVM_CAP_SET_TSS_ADDR 4 916 #define KVM_CAP_VAPIC 6 917 #define KVM_CAP_EXT_CPUID 7 918 #define KVM_CAP_CLOCKSOURCE 8 919 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 920 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 921 #define KVM_CAP_PIT 11 922 #define KVM_CAP_NOP_IO_DELAY 12 923 #define KVM_CAP_PV_MMU 13 924 #define KVM_CAP_MP_STATE 14 925 #define KVM_CAP_COALESCED_MMIO 15 926 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 927 #define KVM_CAP_IOMMU 18 928 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 929 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 930 #define KVM_CAP_USER_NMI 22 931 #ifdef __KVM_HAVE_GUEST_DEBUG 932 #define KVM_CAP_SET_GUEST_DEBUG 23 933 #endif 934 #ifdef __KVM_HAVE_PIT 935 #define KVM_CAP_REINJECT_CONTROL 24 936 #endif 937 #define KVM_CAP_IRQ_ROUTING 25 938 #define KVM_CAP_IRQ_INJECT_STATUS 26 939 #define KVM_CAP_ASSIGN_DEV_IRQ 29 940 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 941 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 942 #ifdef __KVM_HAVE_MCE 943 #define KVM_CAP_MCE 31 944 #endif 945 #define KVM_CAP_IRQFD 32 946 #ifdef __KVM_HAVE_PIT 947 #define KVM_CAP_PIT2 33 948 #endif 949 #define KVM_CAP_SET_BOOT_CPU_ID 34 950 #ifdef __KVM_HAVE_PIT_STATE2 951 #define KVM_CAP_PIT_STATE2 35 952 #endif 953 #define KVM_CAP_IOEVENTFD 36 954 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 955 #ifdef __KVM_HAVE_XEN_HVM 956 #define KVM_CAP_XEN_HVM 38 957 #endif 958 #define KVM_CAP_ADJUST_CLOCK 39 959 #define KVM_CAP_INTERNAL_ERROR_DATA 40 960 #ifdef __KVM_HAVE_VCPU_EVENTS 961 #define KVM_CAP_VCPU_EVENTS 41 962 #endif 963 #define KVM_CAP_S390_PSW 42 964 #define KVM_CAP_PPC_SEGSTATE 43 965 #define KVM_CAP_HYPERV 44 966 #define KVM_CAP_HYPERV_VAPIC 45 967 #define KVM_CAP_HYPERV_SPIN 46 968 #define KVM_CAP_PCI_SEGMENT 47 969 #define KVM_CAP_PPC_PAIRED_SINGLES 48 970 #define KVM_CAP_INTR_SHADOW 49 971 #ifdef __KVM_HAVE_DEBUGREGS 972 #define KVM_CAP_DEBUGREGS 50 973 #endif 974 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 975 #define KVM_CAP_PPC_OSI 52 976 #define KVM_CAP_PPC_UNSET_IRQ 53 977 #define KVM_CAP_ENABLE_CAP 54 978 #ifdef __KVM_HAVE_XSAVE 979 #define KVM_CAP_XSAVE 55 980 #endif 981 #ifdef __KVM_HAVE_XCRS 982 #define KVM_CAP_XCRS 56 983 #endif 984 #define KVM_CAP_PPC_GET_PVINFO 57 985 #define KVM_CAP_PPC_IRQ_LEVEL 58 986 #define KVM_CAP_ASYNC_PF 59 987 #define KVM_CAP_TSC_CONTROL 60 988 #define KVM_CAP_GET_TSC_KHZ 61 989 #define KVM_CAP_PPC_BOOKE_SREGS 62 990 #define KVM_CAP_SPAPR_TCE 63 991 #define KVM_CAP_PPC_SMT 64 992 #define KVM_CAP_PPC_RMA 65 993 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 994 #define KVM_CAP_PPC_HIOR 67 995 #define KVM_CAP_PPC_PAPR 68 996 #define KVM_CAP_SW_TLB 69 997 #define KVM_CAP_ONE_REG 70 998 #define KVM_CAP_S390_GMAP 71 999 #define KVM_CAP_TSC_DEADLINE_TIMER 72 1000 #define KVM_CAP_S390_UCONTROL 73 1001 #define KVM_CAP_SYNC_REGS 74 1002 #define KVM_CAP_PCI_2_3 75 1003 #define KVM_CAP_KVMCLOCK_CTRL 76 1004 #define KVM_CAP_SIGNAL_MSI 77 1005 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1006 #define KVM_CAP_S390_COW 79 1007 #define KVM_CAP_PPC_ALLOC_HTAB 80 1008 #define KVM_CAP_READONLY_MEM 81 1009 #define KVM_CAP_IRQFD_RESAMPLE 82 1010 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1011 #define KVM_CAP_PPC_HTAB_FD 84 1012 #define KVM_CAP_S390_CSS_SUPPORT 85 1013 #define KVM_CAP_PPC_EPR 86 1014 #define KVM_CAP_ARM_PSCI 87 1015 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1016 #define KVM_CAP_DEVICE_CTRL 89 1017 #define KVM_CAP_IRQ_MPIC 90 1018 #define KVM_CAP_PPC_RTAS 91 1019 #define KVM_CAP_IRQ_XICS 92 1020 #define KVM_CAP_ARM_EL1_32BIT 93 1021 #define KVM_CAP_SPAPR_MULTITCE 94 1022 #define KVM_CAP_EXT_EMUL_CPUID 95 1023 #define KVM_CAP_HYPERV_TIME 96 1024 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1025 #define KVM_CAP_ENABLE_CAP_VM 98 1026 #define KVM_CAP_S390_IRQCHIP 99 1027 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1028 #define KVM_CAP_VM_ATTRIBUTES 101 1029 #define KVM_CAP_ARM_PSCI_0_2 102 1030 #define KVM_CAP_PPC_FIXUP_HCALL 103 1031 #define KVM_CAP_PPC_ENABLE_HCALL 104 1032 #define KVM_CAP_CHECK_EXTENSION_VM 105 1033 #define KVM_CAP_S390_USER_SIGP 106 1034 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1035 #define KVM_CAP_S390_MEM_OP 108 1036 #define KVM_CAP_S390_USER_STSI 109 1037 #define KVM_CAP_S390_SKEYS 110 1038 #define KVM_CAP_MIPS_FPU 111 1039 #define KVM_CAP_MIPS_MSA 112 1040 #define KVM_CAP_S390_INJECT_IRQ 113 1041 #define KVM_CAP_S390_IRQ_STATE 114 1042 #define KVM_CAP_PPC_HWRNG 115 1043 #define KVM_CAP_DISABLE_QUIRKS 116 1044 #define KVM_CAP_X86_SMM 117 1045 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1046 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1047 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1048 #define KVM_CAP_SPLIT_IRQCHIP 121 1049 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1050 #define KVM_CAP_HYPERV_SYNIC 123 1051 #define KVM_CAP_S390_RI 124 1052 #define KVM_CAP_SPAPR_TCE_64 125 1053 #define KVM_CAP_ARM_PMU_V3 126 1054 #define KVM_CAP_VCPU_ATTRIBUTES 127 1055 #define KVM_CAP_MAX_VCPU_ID 128 1056 #define KVM_CAP_X2APIC_API 129 1057 #define KVM_CAP_S390_USER_INSTR0 130 1058 #define KVM_CAP_MSI_DEVID 131 1059 #define KVM_CAP_PPC_HTM 132 1060 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1061 #define KVM_CAP_PPC_MMU_RADIX 134 1062 #define KVM_CAP_PPC_MMU_HASH_V3 135 1063 #define KVM_CAP_IMMEDIATE_EXIT 136 1064 #define KVM_CAP_MIPS_VZ 137 1065 #define KVM_CAP_MIPS_TE 138 1066 #define KVM_CAP_MIPS_64BIT 139 1067 #define KVM_CAP_S390_GS 140 1068 #define KVM_CAP_S390_AIS 141 1069 #define KVM_CAP_SPAPR_TCE_VFIO 142 1070 #define KVM_CAP_X86_DISABLE_EXITS 143 1071 #define KVM_CAP_ARM_USER_IRQ 144 1072 #define KVM_CAP_S390_CMMA_MIGRATION 145 1073 #define KVM_CAP_PPC_FWNMI 146 1074 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1075 #define KVM_CAP_HYPERV_SYNIC2 148 1076 #define KVM_CAP_HYPERV_VP_INDEX 149 1077 #define KVM_CAP_S390_AIS_MIGRATION 150 1078 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1079 #define KVM_CAP_S390_BPB 152 1080 #define KVM_CAP_GET_MSR_FEATURES 153 1081 #define KVM_CAP_HYPERV_EVENTFD 154 1082 #define KVM_CAP_HYPERV_TLBFLUSH 155 1083 #define KVM_CAP_S390_HPAGE_1M 156 1084 #define KVM_CAP_NESTED_STATE 157 1085 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1086 #define KVM_CAP_MSR_PLATFORM_INFO 159 1087 #define KVM_CAP_PPC_NESTED_HV 160 1088 #define KVM_CAP_HYPERV_SEND_IPI 161 1089 #define KVM_CAP_COALESCED_PIO 162 1090 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1091 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1092 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1093 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1094 #define KVM_CAP_HYPERV_CPUID 167 1095 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1096 #define KVM_CAP_PPC_IRQ_XIVE 169 1097 #define KVM_CAP_ARM_SVE 170 1098 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1099 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1100 #define KVM_CAP_PMU_EVENT_FILTER 173 1101 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1102 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1103 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1104 #define KVM_CAP_ARM_NISV_TO_USER 177 1105 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1106 #define KVM_CAP_S390_VCPU_RESETS 179 1107 #define KVM_CAP_S390_PROTECTED 180 1108 #define KVM_CAP_PPC_SECURE_GUEST 181 1109 #define KVM_CAP_HALT_POLL 182 1110 #define KVM_CAP_ASYNC_PF_INT 183 1111 #define KVM_CAP_LAST_CPU 184 1112 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1113 #define KVM_CAP_S390_DIAG318 186 1114 #define KVM_CAP_STEAL_TIME 187 1115 #define KVM_CAP_X86_USER_SPACE_MSR 188 1116 #define KVM_CAP_X86_MSR_FILTER 189 1117 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1118 #define KVM_CAP_SYS_HYPERV_CPUID 191 1119 #define KVM_CAP_DIRTY_LOG_RING 192 1120 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1121 #define KVM_CAP_PPC_DAWR1 194 1122 #define KVM_CAP_SET_GUEST_DEBUG2 195 1123 #define KVM_CAP_SGX_ATTRIBUTE 196 1124 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1125 #define KVM_CAP_PTP_KVM 198 1126 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1127 #define KVM_CAP_SREGS2 200 1128 #define KVM_CAP_EXIT_HYPERCALL 201 1129 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1130 #define KVM_CAP_BINARY_STATS_FD 203 1131 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1132 #define KVM_CAP_ARM_MTE 205 1133 1134 #ifdef KVM_CAP_IRQ_ROUTING 1135 1136 struct kvm_irq_routing_irqchip { 1137 __u32 irqchip; 1138 __u32 pin; 1139 }; 1140 1141 struct kvm_irq_routing_msi { 1142 __u32 address_lo; 1143 __u32 address_hi; 1144 __u32 data; 1145 union { 1146 __u32 pad; 1147 __u32 devid; 1148 }; 1149 }; 1150 1151 struct kvm_irq_routing_s390_adapter { 1152 __u64 ind_addr; 1153 __u64 summary_addr; 1154 __u64 ind_offset; 1155 __u32 summary_offset; 1156 __u32 adapter_id; 1157 }; 1158 1159 struct kvm_irq_routing_hv_sint { 1160 __u32 vcpu; 1161 __u32 sint; 1162 }; 1163 1164 /* gsi routing entry types */ 1165 #define KVM_IRQ_ROUTING_IRQCHIP 1 1166 #define KVM_IRQ_ROUTING_MSI 2 1167 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1168 #define KVM_IRQ_ROUTING_HV_SINT 4 1169 1170 struct kvm_irq_routing_entry { 1171 __u32 gsi; 1172 __u32 type; 1173 __u32 flags; 1174 __u32 pad; 1175 union { 1176 struct kvm_irq_routing_irqchip irqchip; 1177 struct kvm_irq_routing_msi msi; 1178 struct kvm_irq_routing_s390_adapter adapter; 1179 struct kvm_irq_routing_hv_sint hv_sint; 1180 __u32 pad[8]; 1181 } u; 1182 }; 1183 1184 struct kvm_irq_routing { 1185 __u32 nr; 1186 __u32 flags; 1187 struct kvm_irq_routing_entry entries[0]; 1188 }; 1189 1190 #endif 1191 1192 #ifdef KVM_CAP_MCE 1193 /* x86 MCE */ 1194 struct kvm_x86_mce { 1195 __u64 status; 1196 __u64 addr; 1197 __u64 misc; 1198 __u64 mcg_status; 1199 __u8 bank; 1200 __u8 pad1[7]; 1201 __u64 pad2[3]; 1202 }; 1203 #endif 1204 1205 #ifdef KVM_CAP_XEN_HVM 1206 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1207 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1208 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1209 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1210 1211 struct kvm_xen_hvm_config { 1212 __u32 flags; 1213 __u32 msr; 1214 __u64 blob_addr_32; 1215 __u64 blob_addr_64; 1216 __u8 blob_size_32; 1217 __u8 blob_size_64; 1218 __u8 pad2[30]; 1219 }; 1220 #endif 1221 1222 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1223 /* 1224 * Available with KVM_CAP_IRQFD_RESAMPLE 1225 * 1226 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1227 * the irqfd to operate in resampling mode for level triggered interrupt 1228 * emulation. See Documentation/virt/kvm/api.rst. 1229 */ 1230 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1231 1232 struct kvm_irqfd { 1233 __u32 fd; 1234 __u32 gsi; 1235 __u32 flags; 1236 __u32 resamplefd; 1237 __u8 pad[16]; 1238 }; 1239 1240 /* For KVM_CAP_ADJUST_CLOCK */ 1241 1242 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1243 #define KVM_CLOCK_TSC_STABLE 2 1244 #define KVM_CLOCK_REALTIME (1 << 2) 1245 #define KVM_CLOCK_HOST_TSC (1 << 3) 1246 1247 struct kvm_clock_data { 1248 __u64 clock; 1249 __u32 flags; 1250 __u32 pad0; 1251 __u64 realtime; 1252 __u64 host_tsc; 1253 __u32 pad[4]; 1254 }; 1255 1256 /* For KVM_CAP_SW_TLB */ 1257 1258 #define KVM_MMU_FSL_BOOKE_NOHV 0 1259 #define KVM_MMU_FSL_BOOKE_HV 1 1260 1261 struct kvm_config_tlb { 1262 __u64 params; 1263 __u64 array; 1264 __u32 mmu_type; 1265 __u32 array_len; 1266 }; 1267 1268 struct kvm_dirty_tlb { 1269 __u64 bitmap; 1270 __u32 num_dirty; 1271 }; 1272 1273 /* Available with KVM_CAP_ONE_REG */ 1274 1275 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1276 #define KVM_REG_GENERIC 0x0000000000000000ULL 1277 1278 /* 1279 * Architecture specific registers are to be defined in arch headers and 1280 * ORed with the arch identifier. 1281 */ 1282 #define KVM_REG_PPC 0x1000000000000000ULL 1283 #define KVM_REG_X86 0x2000000000000000ULL 1284 #define KVM_REG_IA64 0x3000000000000000ULL 1285 #define KVM_REG_ARM 0x4000000000000000ULL 1286 #define KVM_REG_S390 0x5000000000000000ULL 1287 #define KVM_REG_ARM64 0x6000000000000000ULL 1288 #define KVM_REG_MIPS 0x7000000000000000ULL 1289 #define KVM_REG_RISCV 0x8000000000000000ULL 1290 1291 #define KVM_REG_SIZE_SHIFT 52 1292 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1293 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1294 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1295 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1296 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1297 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1298 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1299 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1300 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1301 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1302 1303 struct kvm_reg_list { 1304 __u64 n; /* number of regs */ 1305 __u64 reg[0]; 1306 }; 1307 1308 struct kvm_one_reg { 1309 __u64 id; 1310 __u64 addr; 1311 }; 1312 1313 #define KVM_MSI_VALID_DEVID (1U << 0) 1314 struct kvm_msi { 1315 __u32 address_lo; 1316 __u32 address_hi; 1317 __u32 data; 1318 __u32 flags; 1319 __u32 devid; 1320 __u8 pad[12]; 1321 }; 1322 1323 struct kvm_arm_device_addr { 1324 __u64 id; 1325 __u64 addr; 1326 }; 1327 1328 /* 1329 * Device control API, available with KVM_CAP_DEVICE_CTRL 1330 */ 1331 #define KVM_CREATE_DEVICE_TEST 1 1332 1333 struct kvm_create_device { 1334 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1335 __u32 fd; /* out: device handle */ 1336 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1337 }; 1338 1339 struct kvm_device_attr { 1340 __u32 flags; /* no flags currently defined */ 1341 __u32 group; /* device-defined */ 1342 __u64 attr; /* group-defined */ 1343 __u64 addr; /* userspace address of attr data */ 1344 }; 1345 1346 #define KVM_DEV_VFIO_GROUP 1 1347 #define KVM_DEV_VFIO_GROUP_ADD 1 1348 #define KVM_DEV_VFIO_GROUP_DEL 2 1349 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1350 1351 enum kvm_device_type { 1352 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1353 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1354 KVM_DEV_TYPE_FSL_MPIC_42, 1355 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1356 KVM_DEV_TYPE_XICS, 1357 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1358 KVM_DEV_TYPE_VFIO, 1359 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1360 KVM_DEV_TYPE_ARM_VGIC_V2, 1361 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1362 KVM_DEV_TYPE_FLIC, 1363 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1364 KVM_DEV_TYPE_ARM_VGIC_V3, 1365 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1366 KVM_DEV_TYPE_ARM_VGIC_ITS, 1367 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1368 KVM_DEV_TYPE_XIVE, 1369 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1370 KVM_DEV_TYPE_ARM_PV_TIME, 1371 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1372 KVM_DEV_TYPE_MAX, 1373 }; 1374 1375 struct kvm_vfio_spapr_tce { 1376 __s32 groupfd; 1377 __s32 tablefd; 1378 }; 1379 1380 /* 1381 * ioctls for VM fds 1382 */ 1383 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) 1384 /* 1385 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1386 * a vcpu fd. 1387 */ 1388 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1389 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1390 /* KVM_SET_MEMORY_ALIAS is obsolete: */ 1391 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) 1392 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1393 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) 1394 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1395 struct kvm_userspace_memory_region) 1396 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1397 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1398 1399 /* enable ucontrol for s390 */ 1400 struct kvm_s390_ucas_mapping { 1401 __u64 user_addr; 1402 __u64 vcpu_addr; 1403 __u64 length; 1404 }; 1405 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1406 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1407 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1408 1409 /* Device model IOC */ 1410 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1411 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1412 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1413 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1414 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1415 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1416 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1417 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1418 #define KVM_REGISTER_COALESCED_MMIO \ 1419 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1420 #define KVM_UNREGISTER_COALESCED_MMIO \ 1421 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1422 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1423 struct kvm_assigned_pci_dev) 1424 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1425 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1426 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1427 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1428 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1429 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1430 struct kvm_assigned_pci_dev) 1431 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1432 struct kvm_assigned_msix_nr) 1433 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1434 struct kvm_assigned_msix_entry) 1435 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1436 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1437 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1438 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1439 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1440 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1441 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1442 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1443 /* Available with KVM_CAP_PIT_STATE2 */ 1444 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1445 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1446 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1447 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1448 /* Available with KVM_CAP_TSC_CONTROL */ 1449 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1450 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1451 /* Available with KVM_CAP_PCI_2_3 */ 1452 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1453 struct kvm_assigned_pci_dev) 1454 /* Available with KVM_CAP_SIGNAL_MSI */ 1455 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1456 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1457 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1458 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1459 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1460 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1461 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1462 struct kvm_create_spapr_tce_64) 1463 /* Available with KVM_CAP_RMA */ 1464 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1465 /* Available with KVM_CAP_PPC_HTAB_FD */ 1466 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1467 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1468 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1469 /* Available with KVM_CAP_PPC_RTAS */ 1470 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1471 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1472 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1473 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1474 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1475 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1476 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1477 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1478 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1479 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1480 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1481 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1482 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1483 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1484 1485 /* ioctl for vm fd */ 1486 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1487 1488 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1489 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1490 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1491 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1492 1493 /* 1494 * ioctls for vcpu fds 1495 */ 1496 #define KVM_RUN _IO(KVMIO, 0x80) 1497 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1498 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1499 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1500 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1501 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1502 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1503 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1504 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1505 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1506 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1507 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1508 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1509 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1510 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1511 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1512 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1513 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1514 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1515 /* Available with KVM_CAP_VAPIC */ 1516 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1517 /* Available with KVM_CAP_VAPIC */ 1518 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1519 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1520 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1521 /* store status for s390 */ 1522 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1523 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1524 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1525 /* initial ipl psw for s390 */ 1526 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1527 /* initial reset for s390 */ 1528 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1529 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1530 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1531 /* Available with KVM_CAP_USER_NMI */ 1532 #define KVM_NMI _IO(KVMIO, 0x9a) 1533 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1534 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1535 /* MCE for x86 */ 1536 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1537 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1538 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1539 /* Available with KVM_CAP_VCPU_EVENTS */ 1540 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1541 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1542 /* Available with KVM_CAP_DEBUGREGS */ 1543 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1544 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1545 /* 1546 * vcpu version available with KVM_ENABLE_CAP 1547 * vm version available with KVM_CAP_ENABLE_CAP_VM 1548 */ 1549 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1550 /* Available with KVM_CAP_XSAVE */ 1551 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1552 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1553 /* Available with KVM_CAP_XCRS */ 1554 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1555 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1556 /* Available with KVM_CAP_SW_TLB */ 1557 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1558 /* Available with KVM_CAP_ONE_REG */ 1559 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1560 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1561 /* VM is being stopped by host */ 1562 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1563 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1564 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1565 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1566 /* Available with KVM_CAP_S390_MEM_OP */ 1567 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1568 /* Available with KVM_CAP_S390_SKEYS */ 1569 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1570 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1571 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1572 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1573 /* Available with KVM_CAP_S390_IRQ_STATE */ 1574 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1575 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1576 /* Available with KVM_CAP_X86_SMM */ 1577 #define KVM_SMI _IO(KVMIO, 0xb7) 1578 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1579 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1580 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1581 /* Memory Encryption Commands */ 1582 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1583 1584 struct kvm_enc_region { 1585 __u64 addr; 1586 __u64 size; 1587 }; 1588 1589 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1590 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1591 1592 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1593 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1594 1595 /* Available with KVM_CAP_NESTED_STATE */ 1596 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1597 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1598 1599 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1600 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1601 1602 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1603 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1604 1605 /* Available with KVM_CAP_ARM_SVE */ 1606 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1607 1608 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1609 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1610 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1611 1612 struct kvm_s390_pv_sec_parm { 1613 __u64 origin; 1614 __u64 length; 1615 }; 1616 1617 struct kvm_s390_pv_unp { 1618 __u64 addr; 1619 __u64 size; 1620 __u64 tweak; 1621 }; 1622 1623 enum pv_cmd_id { 1624 KVM_PV_ENABLE, 1625 KVM_PV_DISABLE, 1626 KVM_PV_SET_SEC_PARMS, 1627 KVM_PV_UNPACK, 1628 KVM_PV_VERIFY, 1629 KVM_PV_PREP_RESET, 1630 KVM_PV_UNSHARE_ALL, 1631 }; 1632 1633 struct kvm_pv_cmd { 1634 __u32 cmd; /* Command to be executed */ 1635 __u16 rc; /* Ultravisor return code */ 1636 __u16 rrc; /* Ultravisor return reason code */ 1637 __u64 data; /* Data or address */ 1638 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1639 __u32 reserved[3]; 1640 }; 1641 1642 /* Available with KVM_CAP_S390_PROTECTED */ 1643 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1644 1645 /* Available with KVM_CAP_X86_MSR_FILTER */ 1646 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1647 1648 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1649 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1650 1651 /* Per-VM Xen attributes */ 1652 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1653 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1654 1655 struct kvm_xen_hvm_attr { 1656 __u16 type; 1657 __u16 pad[3]; 1658 union { 1659 __u8 long_mode; 1660 __u8 vector; 1661 struct { 1662 __u64 gfn; 1663 } shared_info; 1664 __u64 pad[8]; 1665 } u; 1666 }; 1667 1668 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1669 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1670 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1671 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1672 1673 /* Per-vCPU Xen attributes */ 1674 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1675 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1676 1677 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1678 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1679 1680 struct kvm_xen_vcpu_attr { 1681 __u16 type; 1682 __u16 pad[3]; 1683 union { 1684 __u64 gpa; 1685 __u64 pad[8]; 1686 struct { 1687 __u64 state; 1688 __u64 state_entry_time; 1689 __u64 time_running; 1690 __u64 time_runnable; 1691 __u64 time_blocked; 1692 __u64 time_offline; 1693 } runstate; 1694 } u; 1695 }; 1696 1697 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1698 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1699 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1700 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1701 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1702 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1703 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1704 1705 /* Secure Encrypted Virtualization command */ 1706 enum sev_cmd_id { 1707 /* Guest initialization commands */ 1708 KVM_SEV_INIT = 0, 1709 KVM_SEV_ES_INIT, 1710 /* Guest launch commands */ 1711 KVM_SEV_LAUNCH_START, 1712 KVM_SEV_LAUNCH_UPDATE_DATA, 1713 KVM_SEV_LAUNCH_UPDATE_VMSA, 1714 KVM_SEV_LAUNCH_SECRET, 1715 KVM_SEV_LAUNCH_MEASURE, 1716 KVM_SEV_LAUNCH_FINISH, 1717 /* Guest migration commands (outgoing) */ 1718 KVM_SEV_SEND_START, 1719 KVM_SEV_SEND_UPDATE_DATA, 1720 KVM_SEV_SEND_UPDATE_VMSA, 1721 KVM_SEV_SEND_FINISH, 1722 /* Guest migration commands (incoming) */ 1723 KVM_SEV_RECEIVE_START, 1724 KVM_SEV_RECEIVE_UPDATE_DATA, 1725 KVM_SEV_RECEIVE_UPDATE_VMSA, 1726 KVM_SEV_RECEIVE_FINISH, 1727 /* Guest status and debug commands */ 1728 KVM_SEV_GUEST_STATUS, 1729 KVM_SEV_DBG_DECRYPT, 1730 KVM_SEV_DBG_ENCRYPT, 1731 /* Guest certificates commands */ 1732 KVM_SEV_CERT_EXPORT, 1733 /* Attestation report */ 1734 KVM_SEV_GET_ATTESTATION_REPORT, 1735 /* Guest Migration Extension */ 1736 KVM_SEV_SEND_CANCEL, 1737 1738 KVM_SEV_NR_MAX, 1739 }; 1740 1741 struct kvm_sev_cmd { 1742 __u32 id; 1743 __u64 data; 1744 __u32 error; 1745 __u32 sev_fd; 1746 }; 1747 1748 struct kvm_sev_launch_start { 1749 __u32 handle; 1750 __u32 policy; 1751 __u64 dh_uaddr; 1752 __u32 dh_len; 1753 __u64 session_uaddr; 1754 __u32 session_len; 1755 }; 1756 1757 struct kvm_sev_launch_update_data { 1758 __u64 uaddr; 1759 __u32 len; 1760 }; 1761 1762 1763 struct kvm_sev_launch_secret { 1764 __u64 hdr_uaddr; 1765 __u32 hdr_len; 1766 __u64 guest_uaddr; 1767 __u32 guest_len; 1768 __u64 trans_uaddr; 1769 __u32 trans_len; 1770 }; 1771 1772 struct kvm_sev_launch_measure { 1773 __u64 uaddr; 1774 __u32 len; 1775 }; 1776 1777 struct kvm_sev_guest_status { 1778 __u32 handle; 1779 __u32 policy; 1780 __u32 state; 1781 }; 1782 1783 struct kvm_sev_dbg { 1784 __u64 src_uaddr; 1785 __u64 dst_uaddr; 1786 __u32 len; 1787 }; 1788 1789 struct kvm_sev_attestation_report { 1790 __u8 mnonce[16]; 1791 __u64 uaddr; 1792 __u32 len; 1793 }; 1794 1795 struct kvm_sev_send_start { 1796 __u32 policy; 1797 __u64 pdh_cert_uaddr; 1798 __u32 pdh_cert_len; 1799 __u64 plat_certs_uaddr; 1800 __u32 plat_certs_len; 1801 __u64 amd_certs_uaddr; 1802 __u32 amd_certs_len; 1803 __u64 session_uaddr; 1804 __u32 session_len; 1805 }; 1806 1807 struct kvm_sev_send_update_data { 1808 __u64 hdr_uaddr; 1809 __u32 hdr_len; 1810 __u64 guest_uaddr; 1811 __u32 guest_len; 1812 __u64 trans_uaddr; 1813 __u32 trans_len; 1814 }; 1815 1816 struct kvm_sev_receive_start { 1817 __u32 handle; 1818 __u32 policy; 1819 __u64 pdh_uaddr; 1820 __u32 pdh_len; 1821 __u64 session_uaddr; 1822 __u32 session_len; 1823 }; 1824 1825 struct kvm_sev_receive_update_data { 1826 __u64 hdr_uaddr; 1827 __u32 hdr_len; 1828 __u64 guest_uaddr; 1829 __u32 guest_len; 1830 __u64 trans_uaddr; 1831 __u32 trans_len; 1832 }; 1833 1834 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 1835 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 1836 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 1837 1838 struct kvm_assigned_pci_dev { 1839 __u32 assigned_dev_id; 1840 __u32 busnr; 1841 __u32 devfn; 1842 __u32 flags; 1843 __u32 segnr; 1844 union { 1845 __u32 reserved[11]; 1846 }; 1847 }; 1848 1849 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 1850 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 1851 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 1852 1853 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 1854 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 1855 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 1856 1857 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 1858 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 1859 1860 struct kvm_assigned_irq { 1861 __u32 assigned_dev_id; 1862 __u32 host_irq; /* ignored (legacy field) */ 1863 __u32 guest_irq; 1864 __u32 flags; 1865 union { 1866 __u32 reserved[12]; 1867 }; 1868 }; 1869 1870 struct kvm_assigned_msix_nr { 1871 __u32 assigned_dev_id; 1872 __u16 entry_nr; 1873 __u16 padding; 1874 }; 1875 1876 #define KVM_MAX_MSIX_PER_DEV 256 1877 struct kvm_assigned_msix_entry { 1878 __u32 assigned_dev_id; 1879 __u32 gsi; 1880 __u16 entry; /* The index of entry in the MSI-X table */ 1881 __u16 padding[3]; 1882 }; 1883 1884 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 1885 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 1886 1887 /* Available with KVM_CAP_ARM_USER_IRQ */ 1888 1889 /* Bits for run->s.regs.device_irq_level */ 1890 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 1891 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 1892 #define KVM_ARM_DEV_PMU (1 << 2) 1893 1894 struct kvm_hyperv_eventfd { 1895 __u32 conn_id; 1896 __s32 fd; 1897 __u32 flags; 1898 __u32 padding[3]; 1899 }; 1900 1901 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 1902 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 1903 1904 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 1905 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 1906 1907 /* 1908 * Arch needs to define the macro after implementing the dirty ring 1909 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 1910 * starting page offset of the dirty ring structures. 1911 */ 1912 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 1913 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 1914 #endif 1915 1916 /* 1917 * KVM dirty GFN flags, defined as: 1918 * 1919 * |---------------+---------------+--------------| 1920 * | bit 1 (reset) | bit 0 (dirty) | Status | 1921 * |---------------+---------------+--------------| 1922 * | 0 | 0 | Invalid GFN | 1923 * | 0 | 1 | Dirty GFN | 1924 * | 1 | X | GFN to reset | 1925 * |---------------+---------------+--------------| 1926 * 1927 * Lifecycle of a dirty GFN goes like: 1928 * 1929 * dirtied harvested reset 1930 * 00 -----------> 01 -------------> 1X -------+ 1931 * ^ | 1932 * | | 1933 * +------------------------------------------+ 1934 * 1935 * The userspace program is only responsible for the 01->1X state 1936 * conversion after harvesting an entry. Also, it must not skip any 1937 * dirty bits, so that dirty bits are always harvested in sequence. 1938 */ 1939 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 1940 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 1941 #define KVM_DIRTY_GFN_F_MASK 0x3 1942 1943 /* 1944 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 1945 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 1946 * size of the gfn buffer is decided by the first argument when 1947 * enabling KVM_CAP_DIRTY_LOG_RING. 1948 */ 1949 struct kvm_dirty_gfn { 1950 __u32 flags; 1951 __u32 slot; 1952 __u64 offset; 1953 }; 1954 1955 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 1956 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 1957 1958 /** 1959 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 1960 * @flags: Some extra information for header, always 0 for now. 1961 * @name_size: The size in bytes of the memory which contains statistics 1962 * name string including trailing '\0'. The memory is allocated 1963 * at the send of statistics descriptor. 1964 * @num_desc: The number of statistics the vm or vcpu has. 1965 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 1966 * by vm/vcpu stats fd. 1967 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 1968 * pointd by vm/vcpu stats fd. 1969 * @data_offset: The offset of the vm/vcpu stats' data block in the file 1970 * pointed by vm/vcpu stats fd. 1971 * 1972 * This is the header userspace needs to read from stats fd before any other 1973 * readings. It is used by userspace to discover all the information about the 1974 * vm/vcpu's binary statistics. 1975 * Userspace reads this header from the start of the vm/vcpu's stats fd. 1976 */ 1977 struct kvm_stats_header { 1978 __u32 flags; 1979 __u32 name_size; 1980 __u32 num_desc; 1981 __u32 id_offset; 1982 __u32 desc_offset; 1983 __u32 data_offset; 1984 }; 1985 1986 #define KVM_STATS_TYPE_SHIFT 0 1987 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 1988 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 1989 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 1990 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 1991 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 1992 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 1993 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 1994 1995 #define KVM_STATS_UNIT_SHIFT 4 1996 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 1997 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 1998 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 1999 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2000 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2001 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES 2002 2003 #define KVM_STATS_BASE_SHIFT 8 2004 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2005 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2006 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2007 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2008 2009 /** 2010 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2011 * @flags: Annotations of the stats, like type, unit, etc. 2012 * @exponent: Used together with @flags to determine the unit. 2013 * @size: The number of data items for this stats. 2014 * Every data item is of type __u64. 2015 * @offset: The offset of the stats to the start of stat structure in 2016 * structure kvm or kvm_vcpu. 2017 * @bucket_size: A parameter value used for histogram stats. It is only used 2018 * for linear histogram stats, specifying the size of the bucket; 2019 * @name: The name string for the stats. Its size is indicated by the 2020 * &kvm_stats_header->name_size. 2021 */ 2022 struct kvm_stats_desc { 2023 __u32 flags; 2024 __s16 exponent; 2025 __u16 size; 2026 __u32 offset; 2027 __u32 bucket_size; 2028 char name[]; 2029 }; 2030 2031 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2032 2033 #endif /* __LINUX_KVM_H */ 2034