1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_KVM_H 3 #define __LINUX_KVM_H 4 5 /* 6 * Userspace interface for /dev/kvm - kernel based virtual machine 7 * 8 * Note: you must update KVM_API_VERSION if you change this interface. 9 */ 10 11 #include <linux/const.h> 12 #include <linux/types.h> 13 #include <linux/compiler.h> 14 #include <linux/ioctl.h> 15 #include <asm/kvm.h> 16 17 #define KVM_API_VERSION 12 18 19 /* *** Deprecated interfaces *** */ 20 21 #define KVM_TRC_SHIFT 16 22 23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) 24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) 25 26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) 27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) 28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) 29 30 #define KVM_TRC_HEAD_SIZE 12 31 #define KVM_TRC_CYCLE_SIZE 8 32 #define KVM_TRC_EXTRA_MAX 7 33 34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) 35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) 36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) 37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) 38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) 39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) 40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) 41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) 42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) 43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) 44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) 45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) 46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) 47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) 48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) 49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) 50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) 51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) 52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) 53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) 54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) 55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) 56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) 57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) 58 59 struct kvm_user_trace_setup { 60 __u32 buf_size; 61 __u32 buf_nr; 62 }; 63 64 #define __KVM_DEPRECATED_MAIN_W_0x06 \ 65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) 66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07) 67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08) 68 69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq) 70 71 struct kvm_breakpoint { 72 __u32 enabled; 73 __u32 padding; 74 __u64 address; 75 }; 76 77 struct kvm_debug_guest { 78 __u32 enabled; 79 __u32 pad; 80 struct kvm_breakpoint breakpoints[4]; 81 __u32 singlestep; 82 }; 83 84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest) 85 86 /* *** End of deprecated interfaces *** */ 87 88 89 /* for KVM_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 /* for KVM_SET_USER_MEMORY_REGION2 */ 99 struct kvm_userspace_memory_region2 { 100 __u32 slot; 101 __u32 flags; 102 __u64 guest_phys_addr; 103 __u64 memory_size; 104 __u64 userspace_addr; 105 __u64 guest_memfd_offset; 106 __u32 guest_memfd; 107 __u32 pad1; 108 __u64 pad2[14]; 109 }; 110 111 /* 112 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for 113 * userspace, other bits are reserved for kvm internal use which are defined 114 * in include/linux/kvm_host.h. 115 */ 116 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) 117 #define KVM_MEM_READONLY (1UL << 1) 118 #define KVM_MEM_GUEST_MEMFD (1UL << 2) 119 120 /* for KVM_IRQ_LINE */ 121 struct kvm_irq_level { 122 /* 123 * ACPI gsi notion of irq. 124 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. 125 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. 126 * For ARM: See Documentation/virt/kvm/api.rst 127 */ 128 union { 129 __u32 irq; 130 __s32 status; 131 }; 132 __u32 level; 133 }; 134 135 136 struct kvm_irqchip { 137 __u32 chip_id; 138 __u32 pad; 139 union { 140 char dummy[512]; /* reserving space */ 141 #ifdef __KVM_HAVE_PIT 142 struct kvm_pic_state pic; 143 #endif 144 #ifdef __KVM_HAVE_IOAPIC 145 struct kvm_ioapic_state ioapic; 146 #endif 147 } chip; 148 }; 149 150 /* for KVM_CREATE_PIT2 */ 151 struct kvm_pit_config { 152 __u32 flags; 153 __u32 pad[15]; 154 }; 155 156 #define KVM_PIT_SPEAKER_DUMMY 1 157 158 struct kvm_s390_skeys { 159 __u64 start_gfn; 160 __u64 count; 161 __u64 skeydata_addr; 162 __u32 flags; 163 __u32 reserved[9]; 164 }; 165 166 #define KVM_S390_CMMA_PEEK (1 << 0) 167 168 /** 169 * kvm_s390_cmma_log - Used for CMMA migration. 170 * 171 * Used both for input and output. 172 * 173 * @start_gfn: Guest page number to start from. 174 * @count: Size of the result buffer. 175 * @flags: Control operation mode via KVM_S390_CMMA_* flags 176 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty 177 * pages are still remaining. 178 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set 179 * in the PGSTE. 180 * @values: Pointer to the values buffer. 181 * 182 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls. 183 */ 184 struct kvm_s390_cmma_log { 185 __u64 start_gfn; 186 __u32 count; 187 __u32 flags; 188 union { 189 __u64 remaining; 190 __u64 mask; 191 }; 192 __u64 values; 193 }; 194 195 struct kvm_hyperv_exit { 196 #define KVM_EXIT_HYPERV_SYNIC 1 197 #define KVM_EXIT_HYPERV_HCALL 2 198 #define KVM_EXIT_HYPERV_SYNDBG 3 199 __u32 type; 200 __u32 pad1; 201 union { 202 struct { 203 __u32 msr; 204 __u32 pad2; 205 __u64 control; 206 __u64 evt_page; 207 __u64 msg_page; 208 } synic; 209 struct { 210 __u64 input; 211 __u64 result; 212 __u64 params[2]; 213 } hcall; 214 struct { 215 __u32 msr; 216 __u32 pad2; 217 __u64 control; 218 __u64 status; 219 __u64 send_page; 220 __u64 recv_page; 221 __u64 pending_page; 222 } syndbg; 223 } u; 224 }; 225 226 struct kvm_xen_exit { 227 #define KVM_EXIT_XEN_HCALL 1 228 __u32 type; 229 union { 230 struct { 231 __u32 longmode; 232 __u32 cpl; 233 __u64 input; 234 __u64 result; 235 __u64 params[6]; 236 } hcall; 237 } u; 238 }; 239 240 #define KVM_S390_GET_SKEYS_NONE 1 241 #define KVM_S390_SKEYS_MAX 1048576 242 243 #define KVM_EXIT_UNKNOWN 0 244 #define KVM_EXIT_EXCEPTION 1 245 #define KVM_EXIT_IO 2 246 #define KVM_EXIT_HYPERCALL 3 247 #define KVM_EXIT_DEBUG 4 248 #define KVM_EXIT_HLT 5 249 #define KVM_EXIT_MMIO 6 250 #define KVM_EXIT_IRQ_WINDOW_OPEN 7 251 #define KVM_EXIT_SHUTDOWN 8 252 #define KVM_EXIT_FAIL_ENTRY 9 253 #define KVM_EXIT_INTR 10 254 #define KVM_EXIT_SET_TPR 11 255 #define KVM_EXIT_TPR_ACCESS 12 256 #define KVM_EXIT_S390_SIEIC 13 257 #define KVM_EXIT_S390_RESET 14 258 #define KVM_EXIT_DCR 15 /* deprecated */ 259 #define KVM_EXIT_NMI 16 260 #define KVM_EXIT_INTERNAL_ERROR 17 261 #define KVM_EXIT_OSI 18 262 #define KVM_EXIT_PAPR_HCALL 19 263 #define KVM_EXIT_S390_UCONTROL 20 264 #define KVM_EXIT_WATCHDOG 21 265 #define KVM_EXIT_S390_TSCH 22 266 #define KVM_EXIT_EPR 23 267 #define KVM_EXIT_SYSTEM_EVENT 24 268 #define KVM_EXIT_S390_STSI 25 269 #define KVM_EXIT_IOAPIC_EOI 26 270 #define KVM_EXIT_HYPERV 27 271 #define KVM_EXIT_ARM_NISV 28 272 #define KVM_EXIT_X86_RDMSR 29 273 #define KVM_EXIT_X86_WRMSR 30 274 #define KVM_EXIT_DIRTY_RING_FULL 31 275 #define KVM_EXIT_AP_RESET_HOLD 32 276 #define KVM_EXIT_X86_BUS_LOCK 33 277 #define KVM_EXIT_XEN 34 278 #define KVM_EXIT_RISCV_SBI 35 279 #define KVM_EXIT_RISCV_CSR 36 280 #define KVM_EXIT_NOTIFY 37 281 #define KVM_EXIT_LOONGARCH_IOCSR 38 282 #define KVM_EXIT_MEMORY_FAULT 39 283 284 /* For KVM_EXIT_INTERNAL_ERROR */ 285 /* Emulate instruction failed. */ 286 #define KVM_INTERNAL_ERROR_EMULATION 1 287 /* Encounter unexpected simultaneous exceptions. */ 288 #define KVM_INTERNAL_ERROR_SIMUL_EX 2 289 /* Encounter unexpected vm-exit due to delivery event. */ 290 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3 291 /* Encounter unexpected vm-exit reason */ 292 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4 293 294 /* Flags that describe what fields in emulation_failure hold valid data. */ 295 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0) 296 297 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ 298 struct kvm_run { 299 /* in */ 300 __u8 request_interrupt_window; 301 __u8 immediate_exit; 302 __u8 padding1[6]; 303 304 /* out */ 305 __u32 exit_reason; 306 __u8 ready_for_interrupt_injection; 307 __u8 if_flag; 308 __u16 flags; 309 310 /* in (pre_kvm_run), out (post_kvm_run) */ 311 __u64 cr8; 312 __u64 apic_base; 313 314 #ifdef __KVM_S390 315 /* the processor status word for s390 */ 316 __u64 psw_mask; /* psw upper half */ 317 __u64 psw_addr; /* psw lower half */ 318 #endif 319 union { 320 /* KVM_EXIT_UNKNOWN */ 321 struct { 322 __u64 hardware_exit_reason; 323 } hw; 324 /* KVM_EXIT_FAIL_ENTRY */ 325 struct { 326 __u64 hardware_entry_failure_reason; 327 __u32 cpu; 328 } fail_entry; 329 /* KVM_EXIT_EXCEPTION */ 330 struct { 331 __u32 exception; 332 __u32 error_code; 333 } ex; 334 /* KVM_EXIT_IO */ 335 struct { 336 #define KVM_EXIT_IO_IN 0 337 #define KVM_EXIT_IO_OUT 1 338 __u8 direction; 339 __u8 size; /* bytes */ 340 __u16 port; 341 __u32 count; 342 __u64 data_offset; /* relative to kvm_run start */ 343 } io; 344 /* KVM_EXIT_DEBUG */ 345 struct { 346 struct kvm_debug_exit_arch arch; 347 } debug; 348 /* KVM_EXIT_MMIO */ 349 struct { 350 __u64 phys_addr; 351 __u8 data[8]; 352 __u32 len; 353 __u8 is_write; 354 } mmio; 355 /* KVM_EXIT_LOONGARCH_IOCSR */ 356 struct { 357 __u64 phys_addr; 358 __u8 data[8]; 359 __u32 len; 360 __u8 is_write; 361 } iocsr_io; 362 /* KVM_EXIT_HYPERCALL */ 363 struct { 364 __u64 nr; 365 __u64 args[6]; 366 __u64 ret; 367 368 union { 369 #ifndef __KERNEL__ 370 __u32 longmode; 371 #endif 372 __u64 flags; 373 }; 374 } hypercall; 375 /* KVM_EXIT_TPR_ACCESS */ 376 struct { 377 __u64 rip; 378 __u32 is_write; 379 __u32 pad; 380 } tpr_access; 381 /* KVM_EXIT_S390_SIEIC */ 382 struct { 383 __u8 icptcode; 384 __u16 ipa; 385 __u32 ipb; 386 } s390_sieic; 387 /* KVM_EXIT_S390_RESET */ 388 #define KVM_S390_RESET_POR 1 389 #define KVM_S390_RESET_CLEAR 2 390 #define KVM_S390_RESET_SUBSYSTEM 4 391 #define KVM_S390_RESET_CPU_INIT 8 392 #define KVM_S390_RESET_IPL 16 393 __u64 s390_reset_flags; 394 /* KVM_EXIT_S390_UCONTROL */ 395 struct { 396 __u64 trans_exc_code; 397 __u32 pgm_code; 398 } s390_ucontrol; 399 /* KVM_EXIT_DCR (deprecated) */ 400 struct { 401 __u32 dcrn; 402 __u32 data; 403 __u8 is_write; 404 } dcr; 405 /* KVM_EXIT_INTERNAL_ERROR */ 406 struct { 407 __u32 suberror; 408 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ 409 __u32 ndata; 410 __u64 data[16]; 411 } internal; 412 /* 413 * KVM_INTERNAL_ERROR_EMULATION 414 * 415 * "struct emulation_failure" is an overlay of "struct internal" 416 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of 417 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error 418 * sub-types, this struct is ABI! It also needs to be backwards 419 * compatible with "struct internal". Take special care that 420 * "ndata" is correct, that new fields are enumerated in "flags", 421 * and that each flag enumerates fields that are 64-bit aligned 422 * and sized (so that ndata+internal.data[] is valid/accurate). 423 * 424 * Space beyond the defined fields may be used to store arbitrary 425 * debug information relating to the emulation failure. It is 426 * accounted for in "ndata" but the format is unspecified and is 427 * not represented in "flags". Any such information is *not* ABI! 428 */ 429 struct { 430 __u32 suberror; 431 __u32 ndata; 432 __u64 flags; 433 union { 434 struct { 435 __u8 insn_size; 436 __u8 insn_bytes[15]; 437 }; 438 }; 439 /* Arbitrary debug data may follow. */ 440 } emulation_failure; 441 /* KVM_EXIT_OSI */ 442 struct { 443 __u64 gprs[32]; 444 } osi; 445 /* KVM_EXIT_PAPR_HCALL */ 446 struct { 447 __u64 nr; 448 __u64 ret; 449 __u64 args[9]; 450 } papr_hcall; 451 /* KVM_EXIT_S390_TSCH */ 452 struct { 453 __u16 subchannel_id; 454 __u16 subchannel_nr; 455 __u32 io_int_parm; 456 __u32 io_int_word; 457 __u32 ipb; 458 __u8 dequeued; 459 } s390_tsch; 460 /* KVM_EXIT_EPR */ 461 struct { 462 __u32 epr; 463 } epr; 464 /* KVM_EXIT_SYSTEM_EVENT */ 465 struct { 466 #define KVM_SYSTEM_EVENT_SHUTDOWN 1 467 #define KVM_SYSTEM_EVENT_RESET 2 468 #define KVM_SYSTEM_EVENT_CRASH 3 469 #define KVM_SYSTEM_EVENT_WAKEUP 4 470 #define KVM_SYSTEM_EVENT_SUSPEND 5 471 #define KVM_SYSTEM_EVENT_SEV_TERM 6 472 __u32 type; 473 __u32 ndata; 474 union { 475 #ifndef __KERNEL__ 476 __u64 flags; 477 #endif 478 __u64 data[16]; 479 }; 480 } system_event; 481 /* KVM_EXIT_S390_STSI */ 482 struct { 483 __u64 addr; 484 __u8 ar; 485 __u8 reserved; 486 __u8 fc; 487 __u8 sel1; 488 __u16 sel2; 489 } s390_stsi; 490 /* KVM_EXIT_IOAPIC_EOI */ 491 struct { 492 __u8 vector; 493 } eoi; 494 /* KVM_EXIT_HYPERV */ 495 struct kvm_hyperv_exit hyperv; 496 /* KVM_EXIT_ARM_NISV */ 497 struct { 498 __u64 esr_iss; 499 __u64 fault_ipa; 500 } arm_nisv; 501 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */ 502 struct { 503 __u8 error; /* user -> kernel */ 504 __u8 pad[7]; 505 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) 506 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) 507 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) 508 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ 509 KVM_MSR_EXIT_REASON_UNKNOWN | \ 510 KVM_MSR_EXIT_REASON_FILTER) 511 __u32 reason; /* kernel -> user */ 512 __u32 index; /* kernel -> user */ 513 __u64 data; /* kernel <-> user */ 514 } msr; 515 /* KVM_EXIT_XEN */ 516 struct kvm_xen_exit xen; 517 /* KVM_EXIT_RISCV_SBI */ 518 struct { 519 unsigned long extension_id; 520 unsigned long function_id; 521 unsigned long args[6]; 522 unsigned long ret[2]; 523 } riscv_sbi; 524 /* KVM_EXIT_RISCV_CSR */ 525 struct { 526 unsigned long csr_num; 527 unsigned long new_value; 528 unsigned long write_mask; 529 unsigned long ret_value; 530 } riscv_csr; 531 /* KVM_EXIT_NOTIFY */ 532 struct { 533 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0) 534 __u32 flags; 535 } notify; 536 /* KVM_EXIT_MEMORY_FAULT */ 537 struct { 538 __u64 flags; 539 __u64 gpa; 540 __u64 size; 541 } memory_fault; 542 /* Fix the size of the union. */ 543 char padding[256]; 544 }; 545 546 /* 2048 is the size of the char array used to bound/pad the size 547 * of the union that holds sync regs. 548 */ 549 #define SYNC_REGS_SIZE_BYTES 2048 550 /* 551 * shared registers between kvm and userspace. 552 * kvm_valid_regs specifies the register classes set by the host 553 * kvm_dirty_regs specified the register classes dirtied by userspace 554 * struct kvm_sync_regs is architecture specific, as well as the 555 * bits for kvm_valid_regs and kvm_dirty_regs 556 */ 557 __u64 kvm_valid_regs; 558 __u64 kvm_dirty_regs; 559 union { 560 struct kvm_sync_regs regs; 561 char padding[SYNC_REGS_SIZE_BYTES]; 562 } s; 563 }; 564 565 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ 566 567 struct kvm_coalesced_mmio_zone { 568 __u64 addr; 569 __u32 size; 570 union { 571 __u32 pad; 572 __u32 pio; 573 }; 574 }; 575 576 struct kvm_coalesced_mmio { 577 __u64 phys_addr; 578 __u32 len; 579 union { 580 __u32 pad; 581 __u32 pio; 582 }; 583 __u8 data[8]; 584 }; 585 586 struct kvm_coalesced_mmio_ring { 587 __u32 first, last; 588 struct kvm_coalesced_mmio coalesced_mmio[]; 589 }; 590 591 #define KVM_COALESCED_MMIO_MAX \ 592 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ 593 sizeof(struct kvm_coalesced_mmio)) 594 595 /* for KVM_TRANSLATE */ 596 struct kvm_translation { 597 /* in */ 598 __u64 linear_address; 599 600 /* out */ 601 __u64 physical_address; 602 __u8 valid; 603 __u8 writeable; 604 __u8 usermode; 605 __u8 pad[5]; 606 }; 607 608 /* for KVM_S390_MEM_OP */ 609 struct kvm_s390_mem_op { 610 /* in */ 611 __u64 gaddr; /* the guest address */ 612 __u64 flags; /* flags */ 613 __u32 size; /* amount of bytes */ 614 __u32 op; /* type of operation */ 615 __u64 buf; /* buffer in userspace */ 616 union { 617 struct { 618 __u8 ar; /* the access register number */ 619 __u8 key; /* access key, ignored if flag unset */ 620 __u8 pad1[6]; /* ignored */ 621 __u64 old_addr; /* ignored if cmpxchg flag unset */ 622 }; 623 __u32 sida_offset; /* offset into the sida */ 624 __u8 reserved[32]; /* ignored */ 625 }; 626 }; 627 /* types for kvm_s390_mem_op->op */ 628 #define KVM_S390_MEMOP_LOGICAL_READ 0 629 #define KVM_S390_MEMOP_LOGICAL_WRITE 1 630 #define KVM_S390_MEMOP_SIDA_READ 2 631 #define KVM_S390_MEMOP_SIDA_WRITE 3 632 #define KVM_S390_MEMOP_ABSOLUTE_READ 4 633 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5 634 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6 635 636 /* flags for kvm_s390_mem_op->flags */ 637 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) 638 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) 639 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2) 640 641 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */ 642 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0) 643 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1) 644 645 /* for KVM_INTERRUPT */ 646 struct kvm_interrupt { 647 /* in */ 648 __u32 irq; 649 }; 650 651 /* for KVM_GET_DIRTY_LOG */ 652 struct kvm_dirty_log { 653 __u32 slot; 654 __u32 padding1; 655 union { 656 void __user *dirty_bitmap; /* one bit per page */ 657 __u64 padding2; 658 }; 659 }; 660 661 /* for KVM_CLEAR_DIRTY_LOG */ 662 struct kvm_clear_dirty_log { 663 __u32 slot; 664 __u32 num_pages; 665 __u64 first_page; 666 union { 667 void __user *dirty_bitmap; /* one bit per page */ 668 __u64 padding2; 669 }; 670 }; 671 672 /* for KVM_SET_SIGNAL_MASK */ 673 struct kvm_signal_mask { 674 __u32 len; 675 __u8 sigset[]; 676 }; 677 678 /* for KVM_TPR_ACCESS_REPORTING */ 679 struct kvm_tpr_access_ctl { 680 __u32 enabled; 681 __u32 flags; 682 __u32 reserved[8]; 683 }; 684 685 /* for KVM_SET_VAPIC_ADDR */ 686 struct kvm_vapic_addr { 687 __u64 vapic_addr; 688 }; 689 690 /* for KVM_SET_MP_STATE */ 691 692 /* not all states are valid on all architectures */ 693 #define KVM_MP_STATE_RUNNABLE 0 694 #define KVM_MP_STATE_UNINITIALIZED 1 695 #define KVM_MP_STATE_INIT_RECEIVED 2 696 #define KVM_MP_STATE_HALTED 3 697 #define KVM_MP_STATE_SIPI_RECEIVED 4 698 #define KVM_MP_STATE_STOPPED 5 699 #define KVM_MP_STATE_CHECK_STOP 6 700 #define KVM_MP_STATE_OPERATING 7 701 #define KVM_MP_STATE_LOAD 8 702 #define KVM_MP_STATE_AP_RESET_HOLD 9 703 #define KVM_MP_STATE_SUSPENDED 10 704 705 struct kvm_mp_state { 706 __u32 mp_state; 707 }; 708 709 struct kvm_s390_psw { 710 __u64 mask; 711 __u64 addr; 712 }; 713 714 /* valid values for type in kvm_s390_interrupt */ 715 #define KVM_S390_SIGP_STOP 0xfffe0000u 716 #define KVM_S390_PROGRAM_INT 0xfffe0001u 717 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u 718 #define KVM_S390_RESTART 0xfffe0003u 719 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u 720 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u 721 #define KVM_S390_MCHK 0xfffe1000u 722 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u 723 #define KVM_S390_INT_CPU_TIMER 0xffff1005u 724 #define KVM_S390_INT_VIRTIO 0xffff2603u 725 #define KVM_S390_INT_SERVICE 0xffff2401u 726 #define KVM_S390_INT_EMERGENCY 0xffff1201u 727 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u 728 /* Anything below 0xfffe0000u is taken by INT_IO */ 729 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ 730 (((schid)) | \ 731 ((ssid) << 16) | \ 732 ((cssid) << 18) | \ 733 ((ai) << 26)) 734 #define KVM_S390_INT_IO_MIN 0x00000000u 735 #define KVM_S390_INT_IO_MAX 0xfffdffffu 736 #define KVM_S390_INT_IO_AI_MASK 0x04000000u 737 738 739 struct kvm_s390_interrupt { 740 __u32 type; 741 __u32 parm; 742 __u64 parm64; 743 }; 744 745 struct kvm_s390_io_info { 746 __u16 subchannel_id; 747 __u16 subchannel_nr; 748 __u32 io_int_parm; 749 __u32 io_int_word; 750 }; 751 752 struct kvm_s390_ext_info { 753 __u32 ext_params; 754 __u32 pad; 755 __u64 ext_params2; 756 }; 757 758 struct kvm_s390_pgm_info { 759 __u64 trans_exc_code; 760 __u64 mon_code; 761 __u64 per_address; 762 __u32 data_exc_code; 763 __u16 code; 764 __u16 mon_class_nr; 765 __u8 per_code; 766 __u8 per_atmid; 767 __u8 exc_access_id; 768 __u8 per_access_id; 769 __u8 op_access_id; 770 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01 771 #define KVM_S390_PGM_FLAGS_ILC_0 0x02 772 #define KVM_S390_PGM_FLAGS_ILC_1 0x04 773 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06 774 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08 775 __u8 flags; 776 __u8 pad[2]; 777 }; 778 779 struct kvm_s390_prefix_info { 780 __u32 address; 781 }; 782 783 struct kvm_s390_extcall_info { 784 __u16 code; 785 }; 786 787 struct kvm_s390_emerg_info { 788 __u16 code; 789 }; 790 791 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 792 struct kvm_s390_stop_info { 793 __u32 flags; 794 }; 795 796 struct kvm_s390_mchk_info { 797 __u64 cr14; 798 __u64 mcic; 799 __u64 failing_storage_address; 800 __u32 ext_damage_code; 801 __u32 pad; 802 __u8 fixed_logout[16]; 803 }; 804 805 struct kvm_s390_irq { 806 __u64 type; 807 union { 808 struct kvm_s390_io_info io; 809 struct kvm_s390_ext_info ext; 810 struct kvm_s390_pgm_info pgm; 811 struct kvm_s390_emerg_info emerg; 812 struct kvm_s390_extcall_info extcall; 813 struct kvm_s390_prefix_info prefix; 814 struct kvm_s390_stop_info stop; 815 struct kvm_s390_mchk_info mchk; 816 char reserved[64]; 817 } u; 818 }; 819 820 struct kvm_s390_irq_state { 821 __u64 buf; 822 __u32 flags; /* will stay unused for compatibility reasons */ 823 __u32 len; 824 __u32 reserved[4]; /* will stay unused for compatibility reasons */ 825 }; 826 827 /* for KVM_SET_GUEST_DEBUG */ 828 829 #define KVM_GUESTDBG_ENABLE 0x00000001 830 #define KVM_GUESTDBG_SINGLESTEP 0x00000002 831 832 struct kvm_guest_debug { 833 __u32 control; 834 __u32 pad; 835 struct kvm_guest_debug_arch arch; 836 }; 837 838 enum { 839 kvm_ioeventfd_flag_nr_datamatch, 840 kvm_ioeventfd_flag_nr_pio, 841 kvm_ioeventfd_flag_nr_deassign, 842 kvm_ioeventfd_flag_nr_virtio_ccw_notify, 843 kvm_ioeventfd_flag_nr_fast_mmio, 844 kvm_ioeventfd_flag_nr_max, 845 }; 846 847 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) 848 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) 849 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) 850 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ 851 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) 852 853 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) 854 855 struct kvm_ioeventfd { 856 __u64 datamatch; 857 __u64 addr; /* legal pio/mmio address */ 858 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ 859 __s32 fd; 860 __u32 flags; 861 __u8 pad[36]; 862 }; 863 864 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) 865 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1) 866 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) 867 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3) 868 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ 869 KVM_X86_DISABLE_EXITS_HLT | \ 870 KVM_X86_DISABLE_EXITS_PAUSE | \ 871 KVM_X86_DISABLE_EXITS_CSTATE) 872 873 /* for KVM_ENABLE_CAP */ 874 struct kvm_enable_cap { 875 /* in */ 876 __u32 cap; 877 __u32 flags; 878 __u64 args[4]; 879 __u8 pad[64]; 880 }; 881 882 /* for KVM_PPC_GET_PVINFO */ 883 884 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) 885 886 struct kvm_ppc_pvinfo { 887 /* out */ 888 __u32 flags; 889 __u32 hcall[4]; 890 __u8 pad[108]; 891 }; 892 893 /* for KVM_PPC_GET_SMMU_INFO */ 894 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8 895 896 struct kvm_ppc_one_page_size { 897 __u32 page_shift; /* Page shift (or 0) */ 898 __u32 pte_enc; /* Encoding in the HPTE (>>12) */ 899 }; 900 901 struct kvm_ppc_one_seg_page_size { 902 __u32 page_shift; /* Base page shift of segment (or 0) */ 903 __u32 slb_enc; /* SLB encoding for BookS */ 904 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; 905 }; 906 907 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001 908 #define KVM_PPC_1T_SEGMENTS 0x00000002 909 #define KVM_PPC_NO_HASH 0x00000004 910 911 struct kvm_ppc_smmu_info { 912 __u64 flags; 913 __u32 slb_size; 914 __u16 data_keys; /* # storage keys supported for data */ 915 __u16 instr_keys; /* # storage keys supported for instructions */ 916 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; 917 }; 918 919 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */ 920 struct kvm_ppc_resize_hpt { 921 __u64 flags; 922 __u32 shift; 923 __u32 pad; 924 }; 925 926 #define KVMIO 0xAE 927 928 /* machine type bits, to be used as argument to KVM_CREATE_VM */ 929 #define KVM_VM_S390_UCONTROL 1 930 931 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */ 932 #define KVM_VM_PPC_HV 1 933 #define KVM_VM_PPC_PR 2 934 935 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */ 936 #define KVM_VM_MIPS_AUTO 0 937 #define KVM_VM_MIPS_VZ 1 938 #define KVM_VM_MIPS_TE 2 939 940 #define KVM_S390_SIE_PAGE_OFFSET 1 941 942 /* 943 * On arm64, machine type can be used to request the physical 944 * address size for the VM. Bits[7-0] are reserved for the guest 945 * PA size shift (i.e, log2(PA_Size)). For backward compatibility, 946 * value 0 implies the default IPA size, 40bits. 947 */ 948 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL 949 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ 950 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) 951 /* 952 * ioctls for /dev/kvm fds: 953 */ 954 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) 955 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ 956 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) 957 958 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) 959 /* 960 * Check if a kvm extension is available. Argument is extension number, 961 * return is 1 (yes) or 0 (no, sorry). 962 */ 963 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) 964 /* 965 * Get size for mmap(vcpu_fd) 966 */ 967 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ 968 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) 969 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 970 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 971 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 972 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) 973 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list) 974 975 /* 976 * Extension capability list. 977 */ 978 #define KVM_CAP_IRQCHIP 0 979 #define KVM_CAP_HLT 1 980 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 981 #define KVM_CAP_USER_MEMORY 3 982 #define KVM_CAP_SET_TSS_ADDR 4 983 #define KVM_CAP_VAPIC 6 984 #define KVM_CAP_EXT_CPUID 7 985 #define KVM_CAP_CLOCKSOURCE 8 986 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ 987 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ 988 #define KVM_CAP_PIT 11 989 #define KVM_CAP_NOP_IO_DELAY 12 990 #define KVM_CAP_PV_MMU 13 991 #define KVM_CAP_MP_STATE 14 992 #define KVM_CAP_COALESCED_MMIO 15 993 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ 994 #define KVM_CAP_IOMMU 18 995 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ 996 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 997 #define KVM_CAP_USER_NMI 22 998 #ifdef __KVM_HAVE_GUEST_DEBUG 999 #define KVM_CAP_SET_GUEST_DEBUG 23 1000 #endif 1001 #ifdef __KVM_HAVE_PIT 1002 #define KVM_CAP_REINJECT_CONTROL 24 1003 #endif 1004 #define KVM_CAP_IRQ_ROUTING 25 1005 #define KVM_CAP_IRQ_INJECT_STATUS 26 1006 #define KVM_CAP_ASSIGN_DEV_IRQ 29 1007 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ 1008 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 1009 #ifdef __KVM_HAVE_MCE 1010 #define KVM_CAP_MCE 31 1011 #endif 1012 #define KVM_CAP_IRQFD 32 1013 #ifdef __KVM_HAVE_PIT 1014 #define KVM_CAP_PIT2 33 1015 #endif 1016 #define KVM_CAP_SET_BOOT_CPU_ID 34 1017 #ifdef __KVM_HAVE_PIT_STATE2 1018 #define KVM_CAP_PIT_STATE2 35 1019 #endif 1020 #define KVM_CAP_IOEVENTFD 36 1021 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 1022 #ifdef __KVM_HAVE_XEN_HVM 1023 #define KVM_CAP_XEN_HVM 38 1024 #endif 1025 #define KVM_CAP_ADJUST_CLOCK 39 1026 #define KVM_CAP_INTERNAL_ERROR_DATA 40 1027 #ifdef __KVM_HAVE_VCPU_EVENTS 1028 #define KVM_CAP_VCPU_EVENTS 41 1029 #endif 1030 #define KVM_CAP_S390_PSW 42 1031 #define KVM_CAP_PPC_SEGSTATE 43 1032 #define KVM_CAP_HYPERV 44 1033 #define KVM_CAP_HYPERV_VAPIC 45 1034 #define KVM_CAP_HYPERV_SPIN 46 1035 #define KVM_CAP_PCI_SEGMENT 47 1036 #define KVM_CAP_PPC_PAIRED_SINGLES 48 1037 #define KVM_CAP_INTR_SHADOW 49 1038 #ifdef __KVM_HAVE_DEBUGREGS 1039 #define KVM_CAP_DEBUGREGS 50 1040 #endif 1041 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51 1042 #define KVM_CAP_PPC_OSI 52 1043 #define KVM_CAP_PPC_UNSET_IRQ 53 1044 #define KVM_CAP_ENABLE_CAP 54 1045 #ifdef __KVM_HAVE_XSAVE 1046 #define KVM_CAP_XSAVE 55 1047 #endif 1048 #ifdef __KVM_HAVE_XCRS 1049 #define KVM_CAP_XCRS 56 1050 #endif 1051 #define KVM_CAP_PPC_GET_PVINFO 57 1052 #define KVM_CAP_PPC_IRQ_LEVEL 58 1053 #define KVM_CAP_ASYNC_PF 59 1054 #define KVM_CAP_TSC_CONTROL 60 1055 #define KVM_CAP_GET_TSC_KHZ 61 1056 #define KVM_CAP_PPC_BOOKE_SREGS 62 1057 #define KVM_CAP_SPAPR_TCE 63 1058 #define KVM_CAP_PPC_SMT 64 1059 #define KVM_CAP_PPC_RMA 65 1060 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ 1061 #define KVM_CAP_PPC_HIOR 67 1062 #define KVM_CAP_PPC_PAPR 68 1063 #define KVM_CAP_SW_TLB 69 1064 #define KVM_CAP_ONE_REG 70 1065 #define KVM_CAP_S390_GMAP 71 1066 #define KVM_CAP_TSC_DEADLINE_TIMER 72 1067 #define KVM_CAP_S390_UCONTROL 73 1068 #define KVM_CAP_SYNC_REGS 74 1069 #define KVM_CAP_PCI_2_3 75 1070 #define KVM_CAP_KVMCLOCK_CTRL 76 1071 #define KVM_CAP_SIGNAL_MSI 77 1072 #define KVM_CAP_PPC_GET_SMMU_INFO 78 1073 #define KVM_CAP_S390_COW 79 1074 #define KVM_CAP_PPC_ALLOC_HTAB 80 1075 #define KVM_CAP_READONLY_MEM 81 1076 #define KVM_CAP_IRQFD_RESAMPLE 82 1077 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83 1078 #define KVM_CAP_PPC_HTAB_FD 84 1079 #define KVM_CAP_S390_CSS_SUPPORT 85 1080 #define KVM_CAP_PPC_EPR 86 1081 #define KVM_CAP_ARM_PSCI 87 1082 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88 1083 #define KVM_CAP_DEVICE_CTRL 89 1084 #define KVM_CAP_IRQ_MPIC 90 1085 #define KVM_CAP_PPC_RTAS 91 1086 #define KVM_CAP_IRQ_XICS 92 1087 #define KVM_CAP_ARM_EL1_32BIT 93 1088 #define KVM_CAP_SPAPR_MULTITCE 94 1089 #define KVM_CAP_EXT_EMUL_CPUID 95 1090 #define KVM_CAP_HYPERV_TIME 96 1091 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 1092 #define KVM_CAP_ENABLE_CAP_VM 98 1093 #define KVM_CAP_S390_IRQCHIP 99 1094 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100 1095 #define KVM_CAP_VM_ATTRIBUTES 101 1096 #define KVM_CAP_ARM_PSCI_0_2 102 1097 #define KVM_CAP_PPC_FIXUP_HCALL 103 1098 #define KVM_CAP_PPC_ENABLE_HCALL 104 1099 #define KVM_CAP_CHECK_EXTENSION_VM 105 1100 #define KVM_CAP_S390_USER_SIGP 106 1101 #define KVM_CAP_S390_VECTOR_REGISTERS 107 1102 #define KVM_CAP_S390_MEM_OP 108 1103 #define KVM_CAP_S390_USER_STSI 109 1104 #define KVM_CAP_S390_SKEYS 110 1105 #define KVM_CAP_MIPS_FPU 111 1106 #define KVM_CAP_MIPS_MSA 112 1107 #define KVM_CAP_S390_INJECT_IRQ 113 1108 #define KVM_CAP_S390_IRQ_STATE 114 1109 #define KVM_CAP_PPC_HWRNG 115 1110 #define KVM_CAP_DISABLE_QUIRKS 116 1111 #define KVM_CAP_X86_SMM 117 1112 #define KVM_CAP_MULTI_ADDRESS_SPACE 118 1113 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119 1114 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120 1115 #define KVM_CAP_SPLIT_IRQCHIP 121 1116 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 1117 #define KVM_CAP_HYPERV_SYNIC 123 1118 #define KVM_CAP_S390_RI 124 1119 #define KVM_CAP_SPAPR_TCE_64 125 1120 #define KVM_CAP_ARM_PMU_V3 126 1121 #define KVM_CAP_VCPU_ATTRIBUTES 127 1122 #define KVM_CAP_MAX_VCPU_ID 128 1123 #define KVM_CAP_X2APIC_API 129 1124 #define KVM_CAP_S390_USER_INSTR0 130 1125 #define KVM_CAP_MSI_DEVID 131 1126 #define KVM_CAP_PPC_HTM 132 1127 #define KVM_CAP_SPAPR_RESIZE_HPT 133 1128 #define KVM_CAP_PPC_MMU_RADIX 134 1129 #define KVM_CAP_PPC_MMU_HASH_V3 135 1130 #define KVM_CAP_IMMEDIATE_EXIT 136 1131 #define KVM_CAP_MIPS_VZ 137 1132 #define KVM_CAP_MIPS_TE 138 1133 #define KVM_CAP_MIPS_64BIT 139 1134 #define KVM_CAP_S390_GS 140 1135 #define KVM_CAP_S390_AIS 141 1136 #define KVM_CAP_SPAPR_TCE_VFIO 142 1137 #define KVM_CAP_X86_DISABLE_EXITS 143 1138 #define KVM_CAP_ARM_USER_IRQ 144 1139 #define KVM_CAP_S390_CMMA_MIGRATION 145 1140 #define KVM_CAP_PPC_FWNMI 146 1141 #define KVM_CAP_PPC_SMT_POSSIBLE 147 1142 #define KVM_CAP_HYPERV_SYNIC2 148 1143 #define KVM_CAP_HYPERV_VP_INDEX 149 1144 #define KVM_CAP_S390_AIS_MIGRATION 150 1145 #define KVM_CAP_PPC_GET_CPU_CHAR 151 1146 #define KVM_CAP_S390_BPB 152 1147 #define KVM_CAP_GET_MSR_FEATURES 153 1148 #define KVM_CAP_HYPERV_EVENTFD 154 1149 #define KVM_CAP_HYPERV_TLBFLUSH 155 1150 #define KVM_CAP_S390_HPAGE_1M 156 1151 #define KVM_CAP_NESTED_STATE 157 1152 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 1153 #define KVM_CAP_MSR_PLATFORM_INFO 159 1154 #define KVM_CAP_PPC_NESTED_HV 160 1155 #define KVM_CAP_HYPERV_SEND_IPI 161 1156 #define KVM_CAP_COALESCED_PIO 162 1157 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163 1158 #define KVM_CAP_EXCEPTION_PAYLOAD 164 1159 #define KVM_CAP_ARM_VM_IPA_SIZE 165 1160 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ 1161 #define KVM_CAP_HYPERV_CPUID 167 1162 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 1163 #define KVM_CAP_PPC_IRQ_XIVE 169 1164 #define KVM_CAP_ARM_SVE 170 1165 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171 1166 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172 1167 #define KVM_CAP_PMU_EVENT_FILTER 173 1168 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174 1169 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175 1170 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176 1171 #define KVM_CAP_ARM_NISV_TO_USER 177 1172 #define KVM_CAP_ARM_INJECT_EXT_DABT 178 1173 #define KVM_CAP_S390_VCPU_RESETS 179 1174 #define KVM_CAP_S390_PROTECTED 180 1175 #define KVM_CAP_PPC_SECURE_GUEST 181 1176 #define KVM_CAP_HALT_POLL 182 1177 #define KVM_CAP_ASYNC_PF_INT 183 1178 #define KVM_CAP_LAST_CPU 184 1179 #define KVM_CAP_SMALLER_MAXPHYADDR 185 1180 #define KVM_CAP_S390_DIAG318 186 1181 #define KVM_CAP_STEAL_TIME 187 1182 #define KVM_CAP_X86_USER_SPACE_MSR 188 1183 #define KVM_CAP_X86_MSR_FILTER 189 1184 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190 1185 #define KVM_CAP_SYS_HYPERV_CPUID 191 1186 #define KVM_CAP_DIRTY_LOG_RING 192 1187 #define KVM_CAP_X86_BUS_LOCK_EXIT 193 1188 #define KVM_CAP_PPC_DAWR1 194 1189 #define KVM_CAP_SET_GUEST_DEBUG2 195 1190 #define KVM_CAP_SGX_ATTRIBUTE 196 1191 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197 1192 #define KVM_CAP_PTP_KVM 198 1193 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199 1194 #define KVM_CAP_SREGS2 200 1195 #define KVM_CAP_EXIT_HYPERCALL 201 1196 #define KVM_CAP_PPC_RPT_INVALIDATE 202 1197 #define KVM_CAP_BINARY_STATS_FD 203 1198 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204 1199 #define KVM_CAP_ARM_MTE 205 1200 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206 1201 #define KVM_CAP_VM_GPA_BITS 207 1202 #define KVM_CAP_XSAVE2 208 1203 #define KVM_CAP_SYS_ATTRIBUTES 209 1204 #define KVM_CAP_PPC_AIL_MODE_3 210 1205 #define KVM_CAP_S390_MEM_OP_EXTENSION 211 1206 #define KVM_CAP_PMU_CAPABILITY 212 1207 #define KVM_CAP_DISABLE_QUIRKS2 213 1208 #define KVM_CAP_VM_TSC_CONTROL 214 1209 #define KVM_CAP_SYSTEM_EVENT_DATA 215 1210 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216 1211 #define KVM_CAP_S390_PROTECTED_DUMP 217 1212 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218 1213 #define KVM_CAP_X86_NOTIFY_VMEXIT 219 1214 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 1215 #define KVM_CAP_S390_ZPCI_OP 221 1216 #define KVM_CAP_S390_CPU_TOPOLOGY 222 1217 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223 1218 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224 1219 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225 1220 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226 1221 #define KVM_CAP_COUNTER_OFFSET 227 1222 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228 1223 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229 1224 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230 1225 #define KVM_CAP_USER_MEMORY2 231 1226 #define KVM_CAP_MEMORY_FAULT_INFO 232 1227 #define KVM_CAP_MEMORY_ATTRIBUTES 233 1228 #define KVM_CAP_GUEST_MEMFD 234 1229 1230 #ifdef KVM_CAP_IRQ_ROUTING 1231 1232 struct kvm_irq_routing_irqchip { 1233 __u32 irqchip; 1234 __u32 pin; 1235 }; 1236 1237 struct kvm_irq_routing_msi { 1238 __u32 address_lo; 1239 __u32 address_hi; 1240 __u32 data; 1241 union { 1242 __u32 pad; 1243 __u32 devid; 1244 }; 1245 }; 1246 1247 struct kvm_irq_routing_s390_adapter { 1248 __u64 ind_addr; 1249 __u64 summary_addr; 1250 __u64 ind_offset; 1251 __u32 summary_offset; 1252 __u32 adapter_id; 1253 }; 1254 1255 struct kvm_irq_routing_hv_sint { 1256 __u32 vcpu; 1257 __u32 sint; 1258 }; 1259 1260 struct kvm_irq_routing_xen_evtchn { 1261 __u32 port; 1262 __u32 vcpu; 1263 __u32 priority; 1264 }; 1265 1266 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1)) 1267 1268 /* gsi routing entry types */ 1269 #define KVM_IRQ_ROUTING_IRQCHIP 1 1270 #define KVM_IRQ_ROUTING_MSI 2 1271 #define KVM_IRQ_ROUTING_S390_ADAPTER 3 1272 #define KVM_IRQ_ROUTING_HV_SINT 4 1273 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5 1274 1275 struct kvm_irq_routing_entry { 1276 __u32 gsi; 1277 __u32 type; 1278 __u32 flags; 1279 __u32 pad; 1280 union { 1281 struct kvm_irq_routing_irqchip irqchip; 1282 struct kvm_irq_routing_msi msi; 1283 struct kvm_irq_routing_s390_adapter adapter; 1284 struct kvm_irq_routing_hv_sint hv_sint; 1285 struct kvm_irq_routing_xen_evtchn xen_evtchn; 1286 __u32 pad[8]; 1287 } u; 1288 }; 1289 1290 struct kvm_irq_routing { 1291 __u32 nr; 1292 __u32 flags; 1293 struct kvm_irq_routing_entry entries[]; 1294 }; 1295 1296 #endif 1297 1298 #ifdef KVM_CAP_MCE 1299 /* x86 MCE */ 1300 struct kvm_x86_mce { 1301 __u64 status; 1302 __u64 addr; 1303 __u64 misc; 1304 __u64 mcg_status; 1305 __u8 bank; 1306 __u8 pad1[7]; 1307 __u64 pad2[3]; 1308 }; 1309 #endif 1310 1311 #ifdef KVM_CAP_XEN_HVM 1312 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 1313 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 1314 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 1315 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 1316 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 1317 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 1318 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 1319 1320 struct kvm_xen_hvm_config { 1321 __u32 flags; 1322 __u32 msr; 1323 __u64 blob_addr_32; 1324 __u64 blob_addr_64; 1325 __u8 blob_size_32; 1326 __u8 blob_size_64; 1327 __u8 pad2[30]; 1328 }; 1329 #endif 1330 1331 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) 1332 /* 1333 * Available with KVM_CAP_IRQFD_RESAMPLE 1334 * 1335 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies 1336 * the irqfd to operate in resampling mode for level triggered interrupt 1337 * emulation. See Documentation/virt/kvm/api.rst. 1338 */ 1339 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) 1340 1341 struct kvm_irqfd { 1342 __u32 fd; 1343 __u32 gsi; 1344 __u32 flags; 1345 __u32 resamplefd; 1346 __u8 pad[16]; 1347 }; 1348 1349 /* For KVM_CAP_ADJUST_CLOCK */ 1350 1351 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */ 1352 #define KVM_CLOCK_TSC_STABLE 2 1353 #define KVM_CLOCK_REALTIME (1 << 2) 1354 #define KVM_CLOCK_HOST_TSC (1 << 3) 1355 1356 struct kvm_clock_data { 1357 __u64 clock; 1358 __u32 flags; 1359 __u32 pad0; 1360 __u64 realtime; 1361 __u64 host_tsc; 1362 __u32 pad[4]; 1363 }; 1364 1365 /* For KVM_CAP_SW_TLB */ 1366 1367 #define KVM_MMU_FSL_BOOKE_NOHV 0 1368 #define KVM_MMU_FSL_BOOKE_HV 1 1369 1370 struct kvm_config_tlb { 1371 __u64 params; 1372 __u64 array; 1373 __u32 mmu_type; 1374 __u32 array_len; 1375 }; 1376 1377 struct kvm_dirty_tlb { 1378 __u64 bitmap; 1379 __u32 num_dirty; 1380 }; 1381 1382 /* Available with KVM_CAP_ONE_REG */ 1383 1384 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL 1385 #define KVM_REG_GENERIC 0x0000000000000000ULL 1386 1387 /* 1388 * Architecture specific registers are to be defined in arch headers and 1389 * ORed with the arch identifier. 1390 */ 1391 #define KVM_REG_PPC 0x1000000000000000ULL 1392 #define KVM_REG_X86 0x2000000000000000ULL 1393 #define KVM_REG_IA64 0x3000000000000000ULL 1394 #define KVM_REG_ARM 0x4000000000000000ULL 1395 #define KVM_REG_S390 0x5000000000000000ULL 1396 #define KVM_REG_ARM64 0x6000000000000000ULL 1397 #define KVM_REG_MIPS 0x7000000000000000ULL 1398 #define KVM_REG_RISCV 0x8000000000000000ULL 1399 #define KVM_REG_LOONGARCH 0x9000000000000000ULL 1400 1401 #define KVM_REG_SIZE_SHIFT 52 1402 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL 1403 #define KVM_REG_SIZE_U8 0x0000000000000000ULL 1404 #define KVM_REG_SIZE_U16 0x0010000000000000ULL 1405 #define KVM_REG_SIZE_U32 0x0020000000000000ULL 1406 #define KVM_REG_SIZE_U64 0x0030000000000000ULL 1407 #define KVM_REG_SIZE_U128 0x0040000000000000ULL 1408 #define KVM_REG_SIZE_U256 0x0050000000000000ULL 1409 #define KVM_REG_SIZE_U512 0x0060000000000000ULL 1410 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL 1411 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL 1412 1413 struct kvm_reg_list { 1414 __u64 n; /* number of regs */ 1415 __u64 reg[]; 1416 }; 1417 1418 struct kvm_one_reg { 1419 __u64 id; 1420 __u64 addr; 1421 }; 1422 1423 #define KVM_MSI_VALID_DEVID (1U << 0) 1424 struct kvm_msi { 1425 __u32 address_lo; 1426 __u32 address_hi; 1427 __u32 data; 1428 __u32 flags; 1429 __u32 devid; 1430 __u8 pad[12]; 1431 }; 1432 1433 struct kvm_arm_device_addr { 1434 __u64 id; 1435 __u64 addr; 1436 }; 1437 1438 /* 1439 * Device control API, available with KVM_CAP_DEVICE_CTRL 1440 */ 1441 #define KVM_CREATE_DEVICE_TEST 1 1442 1443 struct kvm_create_device { 1444 __u32 type; /* in: KVM_DEV_TYPE_xxx */ 1445 __u32 fd; /* out: device handle */ 1446 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ 1447 }; 1448 1449 struct kvm_device_attr { 1450 __u32 flags; /* no flags currently defined */ 1451 __u32 group; /* device-defined */ 1452 __u64 attr; /* group-defined */ 1453 __u64 addr; /* userspace address of attr data */ 1454 }; 1455 1456 #define KVM_DEV_VFIO_FILE 1 1457 1458 #define KVM_DEV_VFIO_FILE_ADD 1 1459 #define KVM_DEV_VFIO_FILE_DEL 2 1460 1461 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */ 1462 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE 1463 1464 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD 1465 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL 1466 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3 1467 1468 enum kvm_device_type { 1469 KVM_DEV_TYPE_FSL_MPIC_20 = 1, 1470 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 1471 KVM_DEV_TYPE_FSL_MPIC_42, 1472 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 1473 KVM_DEV_TYPE_XICS, 1474 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS 1475 KVM_DEV_TYPE_VFIO, 1476 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO 1477 KVM_DEV_TYPE_ARM_VGIC_V2, 1478 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 1479 KVM_DEV_TYPE_FLIC, 1480 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC 1481 KVM_DEV_TYPE_ARM_VGIC_V3, 1482 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 1483 KVM_DEV_TYPE_ARM_VGIC_ITS, 1484 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS 1485 KVM_DEV_TYPE_XIVE, 1486 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE 1487 KVM_DEV_TYPE_ARM_PV_TIME, 1488 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME 1489 KVM_DEV_TYPE_RISCV_AIA, 1490 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA 1491 KVM_DEV_TYPE_MAX, 1492 }; 1493 1494 struct kvm_vfio_spapr_tce { 1495 __s32 groupfd; 1496 __s32 tablefd; 1497 }; 1498 1499 /* 1500 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns 1501 * a vcpu fd. 1502 */ 1503 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) 1504 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) 1505 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) 1506 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */ 1507 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ 1508 struct kvm_userspace_memory_region) 1509 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) 1510 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) 1511 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \ 1512 struct kvm_userspace_memory_region2) 1513 1514 /* enable ucontrol for s390 */ 1515 struct kvm_s390_ucas_mapping { 1516 __u64 user_addr; 1517 __u64 vcpu_addr; 1518 __u64 length; 1519 }; 1520 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) 1521 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) 1522 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) 1523 1524 /* Device model IOC */ 1525 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) 1526 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) 1527 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) 1528 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) 1529 #define KVM_CREATE_PIT _IO(KVMIO, 0x64) 1530 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) 1531 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) 1532 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) 1533 #define KVM_REGISTER_COALESCED_MMIO \ 1534 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) 1535 #define KVM_UNREGISTER_COALESCED_MMIO \ 1536 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) 1537 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ 1538 struct kvm_assigned_pci_dev) 1539 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) 1540 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ 1541 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 1542 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) 1543 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) 1544 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ 1545 struct kvm_assigned_pci_dev) 1546 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ 1547 struct kvm_assigned_msix_nr) 1548 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ 1549 struct kvm_assigned_msix_entry) 1550 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) 1551 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) 1552 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) 1553 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) 1554 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) 1555 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) 1556 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) 1557 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) 1558 /* Available with KVM_CAP_PIT_STATE2 */ 1559 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) 1560 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) 1561 /* Available with KVM_CAP_PPC_GET_PVINFO */ 1562 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) 1563 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with 1564 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */ 1565 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) 1566 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) 1567 /* Available with KVM_CAP_PCI_2_3 */ 1568 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ 1569 struct kvm_assigned_pci_dev) 1570 /* Available with KVM_CAP_SIGNAL_MSI */ 1571 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) 1572 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */ 1573 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) 1574 /* Available with KVM_CAP_PPC_ALLOC_HTAB */ 1575 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) 1576 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) 1577 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \ 1578 struct kvm_create_spapr_tce_64) 1579 /* Available with KVM_CAP_RMA */ 1580 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) 1581 /* Available with KVM_CAP_PPC_HTAB_FD */ 1582 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) 1583 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ 1584 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) 1585 /* Available with KVM_CAP_PPC_RTAS */ 1586 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) 1587 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */ 1588 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt) 1589 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt) 1590 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */ 1591 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg) 1592 /* Available with KVM_CAP_PPC_RADIX_MMU */ 1593 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info) 1594 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */ 1595 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char) 1596 /* Available with KVM_CAP_PMU_EVENT_FILTER */ 1597 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter) 1598 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3) 1599 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags) 1600 /* Available with KVM_CAP_COUNTER_OFFSET */ 1601 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset) 1602 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range) 1603 1604 /* ioctl for vm fd */ 1605 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) 1606 1607 /* ioctls for fds returned by KVM_CREATE_DEVICE */ 1608 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) 1609 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) 1610 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) 1611 1612 /* 1613 * ioctls for vcpu fds 1614 */ 1615 #define KVM_RUN _IO(KVMIO, 0x80) 1616 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) 1617 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) 1618 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) 1619 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) 1620 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) 1621 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) 1622 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ 1623 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 1624 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) 1625 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) 1626 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) 1627 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) 1628 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) 1629 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) 1630 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) 1631 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) 1632 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) 1633 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) 1634 /* Available with KVM_CAP_VAPIC */ 1635 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) 1636 /* Available with KVM_CAP_VAPIC */ 1637 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) 1638 /* valid for virtual machine (for floating interrupt)_and_ vcpu */ 1639 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) 1640 /* store status for s390 */ 1641 #define KVM_S390_STORE_STATUS_NOADDR (-1ul) 1642 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul) 1643 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) 1644 /* initial ipl psw for s390 */ 1645 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) 1646 /* initial reset for s390 */ 1647 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) 1648 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) 1649 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) 1650 /* Available with KVM_CAP_USER_NMI */ 1651 #define KVM_NMI _IO(KVMIO, 0x9a) 1652 /* Available with KVM_CAP_SET_GUEST_DEBUG */ 1653 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) 1654 /* MCE for x86 */ 1655 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) 1656 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) 1657 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) 1658 /* Available with KVM_CAP_VCPU_EVENTS */ 1659 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) 1660 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) 1661 /* Available with KVM_CAP_DEBUGREGS */ 1662 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) 1663 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) 1664 /* 1665 * vcpu version available with KVM_CAP_ENABLE_CAP 1666 * vm version available with KVM_CAP_ENABLE_CAP_VM 1667 */ 1668 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) 1669 /* Available with KVM_CAP_XSAVE */ 1670 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) 1671 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) 1672 /* Available with KVM_CAP_XCRS */ 1673 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) 1674 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) 1675 /* Available with KVM_CAP_SW_TLB */ 1676 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) 1677 /* Available with KVM_CAP_ONE_REG */ 1678 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) 1679 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) 1680 /* VM is being stopped by host */ 1681 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) 1682 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) 1683 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) 1684 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) 1685 /* Available with KVM_CAP_S390_MEM_OP */ 1686 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) 1687 /* Available with KVM_CAP_S390_SKEYS */ 1688 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) 1689 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) 1690 /* Available with KVM_CAP_S390_INJECT_IRQ */ 1691 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) 1692 /* Available with KVM_CAP_S390_IRQ_STATE */ 1693 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) 1694 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) 1695 /* Available with KVM_CAP_X86_SMM */ 1696 #define KVM_SMI _IO(KVMIO, 0xb7) 1697 /* Available with KVM_CAP_S390_CMMA_MIGRATION */ 1698 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log) 1699 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log) 1700 /* Memory Encryption Commands */ 1701 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long) 1702 1703 struct kvm_enc_region { 1704 __u64 addr; 1705 __u64 size; 1706 }; 1707 1708 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) 1709 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) 1710 1711 /* Available with KVM_CAP_HYPERV_EVENTFD */ 1712 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) 1713 1714 /* Available with KVM_CAP_NESTED_STATE */ 1715 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state) 1716 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state) 1717 1718 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */ 1719 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log) 1720 1721 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */ 1722 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2) 1723 1724 /* Available with KVM_CAP_ARM_SVE */ 1725 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int) 1726 1727 /* Available with KVM_CAP_S390_VCPU_RESETS */ 1728 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3) 1729 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4) 1730 1731 struct kvm_s390_pv_sec_parm { 1732 __u64 origin; 1733 __u64 length; 1734 }; 1735 1736 struct kvm_s390_pv_unp { 1737 __u64 addr; 1738 __u64 size; 1739 __u64 tweak; 1740 }; 1741 1742 enum pv_cmd_dmp_id { 1743 KVM_PV_DUMP_INIT, 1744 KVM_PV_DUMP_CONFIG_STOR_STATE, 1745 KVM_PV_DUMP_COMPLETE, 1746 KVM_PV_DUMP_CPU, 1747 }; 1748 1749 struct kvm_s390_pv_dmp { 1750 __u64 subcmd; 1751 __u64 buff_addr; 1752 __u64 buff_len; 1753 __u64 gaddr; /* For dump storage state */ 1754 __u64 reserved[4]; 1755 }; 1756 1757 enum pv_cmd_info_id { 1758 KVM_PV_INFO_VM, 1759 KVM_PV_INFO_DUMP, 1760 }; 1761 1762 struct kvm_s390_pv_info_dump { 1763 __u64 dump_cpu_buffer_len; 1764 __u64 dump_config_mem_buffer_per_1m; 1765 __u64 dump_config_finalize_len; 1766 }; 1767 1768 struct kvm_s390_pv_info_vm { 1769 __u64 inst_calls_list[4]; 1770 __u64 max_cpus; 1771 __u64 max_guests; 1772 __u64 max_guest_addr; 1773 __u64 feature_indication; 1774 }; 1775 1776 struct kvm_s390_pv_info_header { 1777 __u32 id; 1778 __u32 len_max; 1779 __u32 len_written; 1780 __u32 reserved; 1781 }; 1782 1783 struct kvm_s390_pv_info { 1784 struct kvm_s390_pv_info_header header; 1785 union { 1786 struct kvm_s390_pv_info_dump dump; 1787 struct kvm_s390_pv_info_vm vm; 1788 }; 1789 }; 1790 1791 enum pv_cmd_id { 1792 KVM_PV_ENABLE, 1793 KVM_PV_DISABLE, 1794 KVM_PV_SET_SEC_PARMS, 1795 KVM_PV_UNPACK, 1796 KVM_PV_VERIFY, 1797 KVM_PV_PREP_RESET, 1798 KVM_PV_UNSHARE_ALL, 1799 KVM_PV_INFO, 1800 KVM_PV_DUMP, 1801 KVM_PV_ASYNC_CLEANUP_PREPARE, 1802 KVM_PV_ASYNC_CLEANUP_PERFORM, 1803 }; 1804 1805 struct kvm_pv_cmd { 1806 __u32 cmd; /* Command to be executed */ 1807 __u16 rc; /* Ultravisor return code */ 1808 __u16 rrc; /* Ultravisor return reason code */ 1809 __u64 data; /* Data or address */ 1810 __u32 flags; /* flags for future extensions. Must be 0 for now */ 1811 __u32 reserved[3]; 1812 }; 1813 1814 /* Available with KVM_CAP_S390_PROTECTED */ 1815 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd) 1816 1817 /* Available with KVM_CAP_X86_MSR_FILTER */ 1818 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter) 1819 1820 /* Available with KVM_CAP_DIRTY_LOG_RING */ 1821 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7) 1822 1823 /* Per-VM Xen attributes */ 1824 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr) 1825 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr) 1826 1827 struct kvm_xen_hvm_attr { 1828 __u16 type; 1829 __u16 pad[3]; 1830 union { 1831 __u8 long_mode; 1832 __u8 vector; 1833 __u8 runstate_update_flag; 1834 struct { 1835 __u64 gfn; 1836 #define KVM_XEN_INVALID_GFN ((__u64)-1) 1837 } shared_info; 1838 struct { 1839 __u32 send_port; 1840 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 1841 __u32 flags; 1842 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 1843 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 1844 #define KVM_XEN_EVTCHN_RESET (1 << 2) 1845 /* 1846 * Events sent by the guest are either looped back to 1847 * the guest itself (potentially on a different port#) 1848 * or signalled via an eventfd. 1849 */ 1850 union { 1851 struct { 1852 __u32 port; 1853 __u32 vcpu; 1854 __u32 priority; 1855 } port; 1856 struct { 1857 __u32 port; /* Zero for eventfd */ 1858 __s32 fd; 1859 } eventfd; 1860 __u32 padding[4]; 1861 } deliver; 1862 } evtchn; 1863 __u32 xen_version; 1864 __u64 pad[8]; 1865 } u; 1866 }; 1867 1868 1869 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1870 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 1871 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 1872 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 1873 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1874 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 1875 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 1876 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 1877 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 1878 1879 /* Per-vCPU Xen attributes */ 1880 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr) 1881 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr) 1882 1883 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1884 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn) 1885 1886 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2) 1887 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2) 1888 1889 struct kvm_xen_vcpu_attr { 1890 __u16 type; 1891 __u16 pad[3]; 1892 union { 1893 __u64 gpa; 1894 #define KVM_XEN_INVALID_GPA ((__u64)-1) 1895 __u64 pad[8]; 1896 struct { 1897 __u64 state; 1898 __u64 state_entry_time; 1899 __u64 time_running; 1900 __u64 time_runnable; 1901 __u64 time_blocked; 1902 __u64 time_offline; 1903 } runstate; 1904 __u32 vcpu_id; 1905 struct { 1906 __u32 port; 1907 __u32 priority; 1908 __u64 expires_ns; 1909 } timer; 1910 __u8 vector; 1911 } u; 1912 }; 1913 1914 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 1915 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 1916 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 1917 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 1918 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 1919 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 1920 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 1921 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 1922 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 1923 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 1924 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 1925 1926 /* Secure Encrypted Virtualization command */ 1927 enum sev_cmd_id { 1928 /* Guest initialization commands */ 1929 KVM_SEV_INIT = 0, 1930 KVM_SEV_ES_INIT, 1931 /* Guest launch commands */ 1932 KVM_SEV_LAUNCH_START, 1933 KVM_SEV_LAUNCH_UPDATE_DATA, 1934 KVM_SEV_LAUNCH_UPDATE_VMSA, 1935 KVM_SEV_LAUNCH_SECRET, 1936 KVM_SEV_LAUNCH_MEASURE, 1937 KVM_SEV_LAUNCH_FINISH, 1938 /* Guest migration commands (outgoing) */ 1939 KVM_SEV_SEND_START, 1940 KVM_SEV_SEND_UPDATE_DATA, 1941 KVM_SEV_SEND_UPDATE_VMSA, 1942 KVM_SEV_SEND_FINISH, 1943 /* Guest migration commands (incoming) */ 1944 KVM_SEV_RECEIVE_START, 1945 KVM_SEV_RECEIVE_UPDATE_DATA, 1946 KVM_SEV_RECEIVE_UPDATE_VMSA, 1947 KVM_SEV_RECEIVE_FINISH, 1948 /* Guest status and debug commands */ 1949 KVM_SEV_GUEST_STATUS, 1950 KVM_SEV_DBG_DECRYPT, 1951 KVM_SEV_DBG_ENCRYPT, 1952 /* Guest certificates commands */ 1953 KVM_SEV_CERT_EXPORT, 1954 /* Attestation report */ 1955 KVM_SEV_GET_ATTESTATION_REPORT, 1956 /* Guest Migration Extension */ 1957 KVM_SEV_SEND_CANCEL, 1958 1959 KVM_SEV_NR_MAX, 1960 }; 1961 1962 struct kvm_sev_cmd { 1963 __u32 id; 1964 __u64 data; 1965 __u32 error; 1966 __u32 sev_fd; 1967 }; 1968 1969 struct kvm_sev_launch_start { 1970 __u32 handle; 1971 __u32 policy; 1972 __u64 dh_uaddr; 1973 __u32 dh_len; 1974 __u64 session_uaddr; 1975 __u32 session_len; 1976 }; 1977 1978 struct kvm_sev_launch_update_data { 1979 __u64 uaddr; 1980 __u32 len; 1981 }; 1982 1983 1984 struct kvm_sev_launch_secret { 1985 __u64 hdr_uaddr; 1986 __u32 hdr_len; 1987 __u64 guest_uaddr; 1988 __u32 guest_len; 1989 __u64 trans_uaddr; 1990 __u32 trans_len; 1991 }; 1992 1993 struct kvm_sev_launch_measure { 1994 __u64 uaddr; 1995 __u32 len; 1996 }; 1997 1998 struct kvm_sev_guest_status { 1999 __u32 handle; 2000 __u32 policy; 2001 __u32 state; 2002 }; 2003 2004 struct kvm_sev_dbg { 2005 __u64 src_uaddr; 2006 __u64 dst_uaddr; 2007 __u32 len; 2008 }; 2009 2010 struct kvm_sev_attestation_report { 2011 __u8 mnonce[16]; 2012 __u64 uaddr; 2013 __u32 len; 2014 }; 2015 2016 struct kvm_sev_send_start { 2017 __u32 policy; 2018 __u64 pdh_cert_uaddr; 2019 __u32 pdh_cert_len; 2020 __u64 plat_certs_uaddr; 2021 __u32 plat_certs_len; 2022 __u64 amd_certs_uaddr; 2023 __u32 amd_certs_len; 2024 __u64 session_uaddr; 2025 __u32 session_len; 2026 }; 2027 2028 struct kvm_sev_send_update_data { 2029 __u64 hdr_uaddr; 2030 __u32 hdr_len; 2031 __u64 guest_uaddr; 2032 __u32 guest_len; 2033 __u64 trans_uaddr; 2034 __u32 trans_len; 2035 }; 2036 2037 struct kvm_sev_receive_start { 2038 __u32 handle; 2039 __u32 policy; 2040 __u64 pdh_uaddr; 2041 __u32 pdh_len; 2042 __u64 session_uaddr; 2043 __u32 session_len; 2044 }; 2045 2046 struct kvm_sev_receive_update_data { 2047 __u64 hdr_uaddr; 2048 __u32 hdr_len; 2049 __u64 guest_uaddr; 2050 __u32 guest_len; 2051 __u64 trans_uaddr; 2052 __u32 trans_len; 2053 }; 2054 2055 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) 2056 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) 2057 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) 2058 2059 struct kvm_assigned_pci_dev { 2060 __u32 assigned_dev_id; 2061 __u32 busnr; 2062 __u32 devfn; 2063 __u32 flags; 2064 __u32 segnr; 2065 union { 2066 __u32 reserved[11]; 2067 }; 2068 }; 2069 2070 #define KVM_DEV_IRQ_HOST_INTX (1 << 0) 2071 #define KVM_DEV_IRQ_HOST_MSI (1 << 1) 2072 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2) 2073 2074 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8) 2075 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9) 2076 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) 2077 2078 #define KVM_DEV_IRQ_HOST_MASK 0x00ff 2079 #define KVM_DEV_IRQ_GUEST_MASK 0xff00 2080 2081 struct kvm_assigned_irq { 2082 __u32 assigned_dev_id; 2083 __u32 host_irq; /* ignored (legacy field) */ 2084 __u32 guest_irq; 2085 __u32 flags; 2086 union { 2087 __u32 reserved[12]; 2088 }; 2089 }; 2090 2091 struct kvm_assigned_msix_nr { 2092 __u32 assigned_dev_id; 2093 __u16 entry_nr; 2094 __u16 padding; 2095 }; 2096 2097 #define KVM_MAX_MSIX_PER_DEV 256 2098 struct kvm_assigned_msix_entry { 2099 __u32 assigned_dev_id; 2100 __u32 gsi; 2101 __u16 entry; /* The index of entry in the MSI-X table */ 2102 __u16 padding[3]; 2103 }; 2104 2105 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 2106 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 2107 2108 /* Available with KVM_CAP_ARM_USER_IRQ */ 2109 2110 /* Bits for run->s.regs.device_irq_level */ 2111 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0) 2112 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) 2113 #define KVM_ARM_DEV_PMU (1 << 2) 2114 2115 struct kvm_hyperv_eventfd { 2116 __u32 conn_id; 2117 __s32 fd; 2118 __u32 flags; 2119 __u32 padding[3]; 2120 }; 2121 2122 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 2123 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 2124 2125 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0) 2126 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1) 2127 2128 /* 2129 * Arch needs to define the macro after implementing the dirty ring 2130 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the 2131 * starting page offset of the dirty ring structures. 2132 */ 2133 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET 2134 #define KVM_DIRTY_LOG_PAGE_OFFSET 0 2135 #endif 2136 2137 /* 2138 * KVM dirty GFN flags, defined as: 2139 * 2140 * |---------------+---------------+--------------| 2141 * | bit 1 (reset) | bit 0 (dirty) | Status | 2142 * |---------------+---------------+--------------| 2143 * | 0 | 0 | Invalid GFN | 2144 * | 0 | 1 | Dirty GFN | 2145 * | 1 | X | GFN to reset | 2146 * |---------------+---------------+--------------| 2147 * 2148 * Lifecycle of a dirty GFN goes like: 2149 * 2150 * dirtied harvested reset 2151 * 00 -----------> 01 -------------> 1X -------+ 2152 * ^ | 2153 * | | 2154 * +------------------------------------------+ 2155 * 2156 * The userspace program is only responsible for the 01->1X state 2157 * conversion after harvesting an entry. Also, it must not skip any 2158 * dirty bits, so that dirty bits are always harvested in sequence. 2159 */ 2160 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0) 2161 #define KVM_DIRTY_GFN_F_RESET _BITUL(1) 2162 #define KVM_DIRTY_GFN_F_MASK 0x3 2163 2164 /* 2165 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of 2166 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The 2167 * size of the gfn buffer is decided by the first argument when 2168 * enabling KVM_CAP_DIRTY_LOG_RING. 2169 */ 2170 struct kvm_dirty_gfn { 2171 __u32 flags; 2172 __u32 slot; 2173 __u64 offset; 2174 }; 2175 2176 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0) 2177 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1) 2178 2179 #define KVM_PMU_CAP_DISABLE (1 << 0) 2180 2181 /** 2182 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data. 2183 * @flags: Some extra information for header, always 0 for now. 2184 * @name_size: The size in bytes of the memory which contains statistics 2185 * name string including trailing '\0'. The memory is allocated 2186 * at the send of statistics descriptor. 2187 * @num_desc: The number of statistics the vm or vcpu has. 2188 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed 2189 * by vm/vcpu stats fd. 2190 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file 2191 * pointd by vm/vcpu stats fd. 2192 * @data_offset: The offset of the vm/vcpu stats' data block in the file 2193 * pointed by vm/vcpu stats fd. 2194 * 2195 * This is the header userspace needs to read from stats fd before any other 2196 * readings. It is used by userspace to discover all the information about the 2197 * vm/vcpu's binary statistics. 2198 * Userspace reads this header from the start of the vm/vcpu's stats fd. 2199 */ 2200 struct kvm_stats_header { 2201 __u32 flags; 2202 __u32 name_size; 2203 __u32 num_desc; 2204 __u32 id_offset; 2205 __u32 desc_offset; 2206 __u32 data_offset; 2207 }; 2208 2209 #define KVM_STATS_TYPE_SHIFT 0 2210 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT) 2211 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT) 2212 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT) 2213 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT) 2214 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT) 2215 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT) 2216 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST 2217 2218 #define KVM_STATS_UNIT_SHIFT 4 2219 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT) 2220 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT) 2221 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT) 2222 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT) 2223 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT) 2224 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT) 2225 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN 2226 2227 #define KVM_STATS_BASE_SHIFT 8 2228 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT) 2229 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT) 2230 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT) 2231 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2 2232 2233 /** 2234 * struct kvm_stats_desc - Descriptor of a KVM statistics. 2235 * @flags: Annotations of the stats, like type, unit, etc. 2236 * @exponent: Used together with @flags to determine the unit. 2237 * @size: The number of data items for this stats. 2238 * Every data item is of type __u64. 2239 * @offset: The offset of the stats to the start of stat structure in 2240 * structure kvm or kvm_vcpu. 2241 * @bucket_size: A parameter value used for histogram stats. It is only used 2242 * for linear histogram stats, specifying the size of the bucket; 2243 * @name: The name string for the stats. Its size is indicated by the 2244 * &kvm_stats_header->name_size. 2245 */ 2246 struct kvm_stats_desc { 2247 __u32 flags; 2248 __s16 exponent; 2249 __u16 size; 2250 __u32 offset; 2251 __u32 bucket_size; 2252 char name[]; 2253 }; 2254 2255 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce) 2256 2257 /* Available with KVM_CAP_XSAVE2 */ 2258 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave) 2259 2260 /* Available with KVM_CAP_S390_PROTECTED_DUMP */ 2261 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd) 2262 2263 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */ 2264 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0) 2265 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1) 2266 2267 /* Available with KVM_CAP_S390_ZPCI_OP */ 2268 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op) 2269 2270 struct kvm_s390_zpci_op { 2271 /* in */ 2272 __u32 fh; /* target device */ 2273 __u8 op; /* operation to perform */ 2274 __u8 pad[3]; 2275 union { 2276 /* for KVM_S390_ZPCIOP_REG_AEN */ 2277 struct { 2278 __u64 ibv; /* Guest addr of interrupt bit vector */ 2279 __u64 sb; /* Guest addr of summary bit */ 2280 __u32 flags; 2281 __u32 noi; /* Number of interrupts */ 2282 __u8 isc; /* Guest interrupt subclass */ 2283 __u8 sbo; /* Offset of guest summary bit vector */ 2284 __u16 pad; 2285 } reg_aen; 2286 __u64 reserved[8]; 2287 } u; 2288 }; 2289 2290 /* types for kvm_s390_zpci_op->op */ 2291 #define KVM_S390_ZPCIOP_REG_AEN 0 2292 #define KVM_S390_ZPCIOP_DEREG_AEN 1 2293 2294 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */ 2295 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0) 2296 2297 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */ 2298 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes) 2299 2300 struct kvm_memory_attributes { 2301 __u64 address; 2302 __u64 size; 2303 __u64 attributes; 2304 __u64 flags; 2305 }; 2306 2307 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3) 2308 2309 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd) 2310 2311 struct kvm_create_guest_memfd { 2312 __u64 size; 2313 __u64 flags; 2314 __u64 reserved[6]; 2315 }; 2316 2317 #endif /* __LINUX_KVM_H */ 2318