1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _ASM_X86_KVM_H 3 #define _ASM_X86_KVM_H 4 5 /* 6 * KVM x86 specific structures and definitions 7 * 8 */ 9 10 #include <linux/const.h> 11 #include <linux/bits.h> 12 #include <linux/types.h> 13 #include <linux/ioctl.h> 14 #include <linux/stddef.h> 15 16 #define KVM_PIO_PAGE_OFFSET 1 17 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 18 #define KVM_DIRTY_LOG_PAGE_OFFSET 64 19 20 #define DE_VECTOR 0 21 #define DB_VECTOR 1 22 #define BP_VECTOR 3 23 #define OF_VECTOR 4 24 #define BR_VECTOR 5 25 #define UD_VECTOR 6 26 #define NM_VECTOR 7 27 #define DF_VECTOR 8 28 #define TS_VECTOR 10 29 #define NP_VECTOR 11 30 #define SS_VECTOR 12 31 #define GP_VECTOR 13 32 #define PF_VECTOR 14 33 #define MF_VECTOR 16 34 #define AC_VECTOR 17 35 #define MC_VECTOR 18 36 #define XM_VECTOR 19 37 #define VE_VECTOR 20 38 39 /* Select x86 specific features in <linux/kvm.h> */ 40 #define __KVM_HAVE_PIT 41 #define __KVM_HAVE_IOAPIC 42 #define __KVM_HAVE_IRQ_LINE 43 #define __KVM_HAVE_MSI 44 #define __KVM_HAVE_USER_NMI 45 #define __KVM_HAVE_MSIX 46 #define __KVM_HAVE_MCE 47 #define __KVM_HAVE_PIT_STATE2 48 #define __KVM_HAVE_XEN_HVM 49 #define __KVM_HAVE_VCPU_EVENTS 50 #define __KVM_HAVE_DEBUGREGS 51 #define __KVM_HAVE_XSAVE 52 #define __KVM_HAVE_XCRS 53 54 /* Architectural interrupt line count. */ 55 #define KVM_NR_INTERRUPTS 256 56 57 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */ 58 struct kvm_pic_state { 59 __u8 last_irr; /* edge detection */ 60 __u8 irr; /* interrupt request register */ 61 __u8 imr; /* interrupt mask register */ 62 __u8 isr; /* interrupt service register */ 63 __u8 priority_add; /* highest irq priority */ 64 __u8 irq_base; 65 __u8 read_reg_select; 66 __u8 poll; 67 __u8 special_mask; 68 __u8 init_state; 69 __u8 auto_eoi; 70 __u8 rotate_on_auto_eoi; 71 __u8 special_fully_nested_mode; 72 __u8 init4; /* true if 4 byte init */ 73 __u8 elcr; /* PIIX edge/trigger selection */ 74 __u8 elcr_mask; 75 }; 76 77 #define KVM_IOAPIC_NUM_PINS 24 78 struct kvm_ioapic_state { 79 __u64 base_address; 80 __u32 ioregsel; 81 __u32 id; 82 __u32 irr; 83 __u32 pad; 84 union { 85 __u64 bits; 86 struct { 87 __u8 vector; 88 __u8 delivery_mode:3; 89 __u8 dest_mode:1; 90 __u8 delivery_status:1; 91 __u8 polarity:1; 92 __u8 remote_irr:1; 93 __u8 trig_mode:1; 94 __u8 mask:1; 95 __u8 reserve:7; 96 __u8 reserved[4]; 97 __u8 dest_id; 98 } fields; 99 } redirtbl[KVM_IOAPIC_NUM_PINS]; 100 }; 101 102 #define KVM_IRQCHIP_PIC_MASTER 0 103 #define KVM_IRQCHIP_PIC_SLAVE 1 104 #define KVM_IRQCHIP_IOAPIC 2 105 #define KVM_NR_IRQCHIPS 3 106 107 #define KVM_RUN_X86_SMM (1 << 0) 108 #define KVM_RUN_X86_BUS_LOCK (1 << 1) 109 #define KVM_RUN_X86_GUEST_MODE (1 << 2) 110 111 /* for KVM_GET_REGS and KVM_SET_REGS */ 112 struct kvm_regs { 113 /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */ 114 __u64 rax, rbx, rcx, rdx; 115 __u64 rsi, rdi, rsp, rbp; 116 __u64 r8, r9, r10, r11; 117 __u64 r12, r13, r14, r15; 118 __u64 rip, rflags; 119 }; 120 121 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */ 122 #define KVM_APIC_REG_SIZE 0x400 123 struct kvm_lapic_state { 124 char regs[KVM_APIC_REG_SIZE]; 125 }; 126 127 struct kvm_segment { 128 __u64 base; 129 __u32 limit; 130 __u16 selector; 131 __u8 type; 132 __u8 present, dpl, db, s, l, g, avl; 133 __u8 unusable; 134 __u8 padding; 135 }; 136 137 struct kvm_dtable { 138 __u64 base; 139 __u16 limit; 140 __u16 padding[3]; 141 }; 142 143 144 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 145 struct kvm_sregs { 146 /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */ 147 struct kvm_segment cs, ds, es, fs, gs, ss; 148 struct kvm_segment tr, ldt; 149 struct kvm_dtable gdt, idt; 150 __u64 cr0, cr2, cr3, cr4, cr8; 151 __u64 efer; 152 __u64 apic_base; 153 __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64]; 154 }; 155 156 struct kvm_sregs2 { 157 /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */ 158 struct kvm_segment cs, ds, es, fs, gs, ss; 159 struct kvm_segment tr, ldt; 160 struct kvm_dtable gdt, idt; 161 __u64 cr0, cr2, cr3, cr4, cr8; 162 __u64 efer; 163 __u64 apic_base; 164 __u64 flags; 165 __u64 pdptrs[4]; 166 }; 167 #define KVM_SREGS2_FLAGS_PDPTRS_VALID 1 168 169 /* for KVM_GET_FPU and KVM_SET_FPU */ 170 struct kvm_fpu { 171 __u8 fpr[8][16]; 172 __u16 fcw; 173 __u16 fsw; 174 __u8 ftwx; /* in fxsave format */ 175 __u8 pad1; 176 __u16 last_opcode; 177 __u64 last_ip; 178 __u64 last_dp; 179 __u8 xmm[16][16]; 180 __u32 mxcsr; 181 __u32 pad2; 182 }; 183 184 struct kvm_msr_entry { 185 __u32 index; 186 __u32 reserved; 187 __u64 data; 188 }; 189 190 /* for KVM_GET_MSRS and KVM_SET_MSRS */ 191 struct kvm_msrs { 192 __u32 nmsrs; /* number of msrs in entries */ 193 __u32 pad; 194 195 struct kvm_msr_entry entries[]; 196 }; 197 198 /* for KVM_GET_MSR_INDEX_LIST */ 199 struct kvm_msr_list { 200 __u32 nmsrs; /* number of msrs in entries */ 201 __u32 indices[]; 202 }; 203 204 /* Maximum size of any access bitmap in bytes */ 205 #define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600 206 207 /* for KVM_X86_SET_MSR_FILTER */ 208 struct kvm_msr_filter_range { 209 #define KVM_MSR_FILTER_READ (1 << 0) 210 #define KVM_MSR_FILTER_WRITE (1 << 1) 211 #define KVM_MSR_FILTER_RANGE_VALID_MASK (KVM_MSR_FILTER_READ | \ 212 KVM_MSR_FILTER_WRITE) 213 __u32 flags; 214 __u32 nmsrs; /* number of msrs in bitmap */ 215 __u32 base; /* MSR index the bitmap starts at */ 216 __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */ 217 }; 218 219 #define KVM_MSR_FILTER_MAX_RANGES 16 220 struct kvm_msr_filter { 221 #define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0) 222 #define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0) 223 #define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY) 224 __u32 flags; 225 struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES]; 226 }; 227 228 struct kvm_cpuid_entry { 229 __u32 function; 230 __u32 eax; 231 __u32 ebx; 232 __u32 ecx; 233 __u32 edx; 234 __u32 padding; 235 }; 236 237 /* for KVM_SET_CPUID */ 238 struct kvm_cpuid { 239 __u32 nent; 240 __u32 padding; 241 struct kvm_cpuid_entry entries[]; 242 }; 243 244 struct kvm_cpuid_entry2 { 245 __u32 function; 246 __u32 index; 247 __u32 flags; 248 __u32 eax; 249 __u32 ebx; 250 __u32 ecx; 251 __u32 edx; 252 __u32 padding[3]; 253 }; 254 255 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0) 256 #define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1) 257 #define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2) 258 259 /* for KVM_SET_CPUID2 */ 260 struct kvm_cpuid2 { 261 __u32 nent; 262 __u32 padding; 263 struct kvm_cpuid_entry2 entries[]; 264 }; 265 266 /* for KVM_GET_PIT and KVM_SET_PIT */ 267 struct kvm_pit_channel_state { 268 __u32 count; /* can be 65536 */ 269 __u16 latched_count; 270 __u8 count_latched; 271 __u8 status_latched; 272 __u8 status; 273 __u8 read_state; 274 __u8 write_state; 275 __u8 write_latch; 276 __u8 rw_mode; 277 __u8 mode; 278 __u8 bcd; 279 __u8 gate; 280 __s64 count_load_time; 281 }; 282 283 struct kvm_debug_exit_arch { 284 __u32 exception; 285 __u32 pad; 286 __u64 pc; 287 __u64 dr6; 288 __u64 dr7; 289 }; 290 291 #define KVM_GUESTDBG_USE_SW_BP 0x00010000 292 #define KVM_GUESTDBG_USE_HW_BP 0x00020000 293 #define KVM_GUESTDBG_INJECT_DB 0x00040000 294 #define KVM_GUESTDBG_INJECT_BP 0x00080000 295 #define KVM_GUESTDBG_BLOCKIRQ 0x00100000 296 297 /* for KVM_SET_GUEST_DEBUG */ 298 struct kvm_guest_debug_arch { 299 __u64 debugreg[8]; 300 }; 301 302 struct kvm_pit_state { 303 struct kvm_pit_channel_state channels[3]; 304 }; 305 306 #define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001 307 #define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002 308 309 struct kvm_pit_state2 { 310 struct kvm_pit_channel_state channels[3]; 311 __u32 flags; 312 __u32 reserved[9]; 313 }; 314 315 struct kvm_reinject_control { 316 __u8 pit_reinject; 317 __u8 reserved[31]; 318 }; 319 320 /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */ 321 #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001 322 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002 323 #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004 324 #define KVM_VCPUEVENT_VALID_SMM 0x00000008 325 #define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010 326 #define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020 327 328 /* Interrupt shadow states */ 329 #define KVM_X86_SHADOW_INT_MOV_SS 0x01 330 #define KVM_X86_SHADOW_INT_STI 0x02 331 332 /* for KVM_GET/SET_VCPU_EVENTS */ 333 struct kvm_vcpu_events { 334 struct { 335 __u8 injected; 336 __u8 nr; 337 __u8 has_error_code; 338 __u8 pending; 339 __u32 error_code; 340 } exception; 341 struct { 342 __u8 injected; 343 __u8 nr; 344 __u8 soft; 345 __u8 shadow; 346 } interrupt; 347 struct { 348 __u8 injected; 349 __u8 pending; 350 __u8 masked; 351 __u8 pad; 352 } nmi; 353 __u32 sipi_vector; 354 __u32 flags; 355 struct { 356 __u8 smm; 357 __u8 pending; 358 __u8 smm_inside_nmi; 359 __u8 latched_init; 360 } smi; 361 struct { 362 __u8 pending; 363 } triple_fault; 364 __u8 reserved[26]; 365 __u8 exception_has_payload; 366 __u64 exception_payload; 367 }; 368 369 /* for KVM_GET/SET_DEBUGREGS */ 370 struct kvm_debugregs { 371 __u64 db[4]; 372 __u64 dr6; 373 __u64 dr7; 374 __u64 flags; 375 __u64 reserved[9]; 376 }; 377 378 /* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */ 379 struct kvm_xsave { 380 /* 381 * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes 382 * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2) 383 * respectively, when invoked on the vm file descriptor. 384 * 385 * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2) 386 * will always be at least 4096. Currently, it is only greater 387 * than 4096 if a dynamic feature has been enabled with 388 * ``arch_prctl()``, but this may change in the future. 389 * 390 * The offsets of the state save areas in struct kvm_xsave follow 391 * the contents of CPUID leaf 0xD on the host. 392 */ 393 __u32 region[1024]; 394 __u32 extra[]; 395 }; 396 397 #define KVM_MAX_XCRS 16 398 399 struct kvm_xcr { 400 __u32 xcr; 401 __u32 reserved; 402 __u64 value; 403 }; 404 405 struct kvm_xcrs { 406 __u32 nr_xcrs; 407 __u32 flags; 408 struct kvm_xcr xcrs[KVM_MAX_XCRS]; 409 __u64 padding[16]; 410 }; 411 412 #define KVM_SYNC_X86_REGS (1UL << 0) 413 #define KVM_SYNC_X86_SREGS (1UL << 1) 414 #define KVM_SYNC_X86_EVENTS (1UL << 2) 415 416 #define KVM_SYNC_X86_VALID_FIELDS \ 417 (KVM_SYNC_X86_REGS| \ 418 KVM_SYNC_X86_SREGS| \ 419 KVM_SYNC_X86_EVENTS) 420 421 /* kvm_sync_regs struct included by kvm_run struct */ 422 struct kvm_sync_regs { 423 /* Members of this structure are potentially malicious. 424 * Care must be taken by code reading, esp. interpreting, 425 * data fields from them inside KVM to prevent TOCTOU and 426 * double-fetch types of vulnerabilities. 427 */ 428 struct kvm_regs regs; 429 struct kvm_sregs sregs; 430 struct kvm_vcpu_events events; 431 }; 432 433 #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) 434 #define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) 435 #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) 436 #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) 437 #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) 438 #define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5) 439 #define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6) 440 #define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7) 441 442 #define KVM_STATE_NESTED_FORMAT_VMX 0 443 #define KVM_STATE_NESTED_FORMAT_SVM 1 444 445 #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 446 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 447 #define KVM_STATE_NESTED_EVMCS 0x00000004 448 #define KVM_STATE_NESTED_MTF_PENDING 0x00000008 449 #define KVM_STATE_NESTED_GIF_SET 0x00000100 450 451 #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 452 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 453 454 #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 455 456 #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000 457 458 #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001 459 460 /* vendor-independent attributes for system fd (group 0) */ 461 #define KVM_X86_GRP_SYSTEM 0 462 # define KVM_X86_XCOMP_GUEST_SUPP 0 463 464 /* vendor-specific groups and attributes for system fd */ 465 #define KVM_X86_GRP_SEV 1 466 # define KVM_X86_SEV_VMSA_FEATURES 0 467 468 struct kvm_vmx_nested_state_data { 469 __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 470 __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 471 }; 472 473 struct kvm_vmx_nested_state_hdr { 474 __u64 vmxon_pa; 475 __u64 vmcs12_pa; 476 477 struct { 478 __u16 flags; 479 } smm; 480 481 __u16 pad; 482 483 __u32 flags; 484 __u64 preemption_timer_deadline; 485 }; 486 487 struct kvm_svm_nested_state_data { 488 /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */ 489 __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE]; 490 }; 491 492 struct kvm_svm_nested_state_hdr { 493 __u64 vmcb_pa; 494 }; 495 496 /* for KVM_CAP_NESTED_STATE */ 497 struct kvm_nested_state { 498 __u16 flags; 499 __u16 format; 500 __u32 size; 501 502 union { 503 struct kvm_vmx_nested_state_hdr vmx; 504 struct kvm_svm_nested_state_hdr svm; 505 506 /* Pad the header to 128 bytes. */ 507 __u8 pad[120]; 508 } hdr; 509 510 /* 511 * Define data region as 0 bytes to preserve backwards-compatability 512 * to old definition of kvm_nested_state in order to avoid changing 513 * KVM_{GET,PUT}_NESTED_STATE ioctl values. 514 */ 515 union { 516 __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx); 517 __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm); 518 } data; 519 }; 520 521 /* for KVM_CAP_PMU_EVENT_FILTER */ 522 struct kvm_pmu_event_filter { 523 __u32 action; 524 __u32 nevents; 525 __u32 fixed_counter_bitmap; 526 __u32 flags; 527 __u32 pad[4]; 528 __u64 events[]; 529 }; 530 531 #define KVM_PMU_EVENT_ALLOW 0 532 #define KVM_PMU_EVENT_DENY 1 533 534 #define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0) 535 #define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS) 536 537 /* for KVM_CAP_MCE */ 538 struct kvm_x86_mce { 539 __u64 status; 540 __u64 addr; 541 __u64 misc; 542 __u64 mcg_status; 543 __u8 bank; 544 __u8 pad1[7]; 545 __u64 pad2[3]; 546 }; 547 548 /* for KVM_CAP_XEN_HVM */ 549 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 550 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 551 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 552 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 553 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 554 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 555 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 556 #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7) 557 #define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8) 558 559 struct kvm_xen_hvm_config { 560 __u32 flags; 561 __u32 msr; 562 __u64 blob_addr_32; 563 __u64 blob_addr_64; 564 __u8 blob_size_32; 565 __u8 blob_size_64; 566 __u8 pad2[30]; 567 }; 568 569 struct kvm_xen_hvm_attr { 570 __u16 type; 571 __u16 pad[3]; 572 union { 573 __u8 long_mode; 574 __u8 vector; 575 __u8 runstate_update_flag; 576 union { 577 __u64 gfn; 578 #define KVM_XEN_INVALID_GFN ((__u64)-1) 579 __u64 hva; 580 } shared_info; 581 struct { 582 __u32 send_port; 583 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 584 __u32 flags; 585 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 586 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 587 #define KVM_XEN_EVTCHN_RESET (1 << 2) 588 /* 589 * Events sent by the guest are either looped back to 590 * the guest itself (potentially on a different port#) 591 * or signalled via an eventfd. 592 */ 593 union { 594 struct { 595 __u32 port; 596 __u32 vcpu; 597 __u32 priority; 598 } port; 599 struct { 600 __u32 port; /* Zero for eventfd */ 601 __s32 fd; 602 } eventfd; 603 __u32 padding[4]; 604 } deliver; 605 } evtchn; 606 __u32 xen_version; 607 __u64 pad[8]; 608 } u; 609 }; 610 611 612 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 613 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 614 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 615 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 616 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 617 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 618 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 619 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 620 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 621 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 622 #define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6 623 624 struct kvm_xen_vcpu_attr { 625 __u16 type; 626 __u16 pad[3]; 627 union { 628 __u64 gpa; 629 #define KVM_XEN_INVALID_GPA ((__u64)-1) 630 __u64 hva; 631 __u64 pad[8]; 632 struct { 633 __u64 state; 634 __u64 state_entry_time; 635 __u64 time_running; 636 __u64 time_runnable; 637 __u64 time_blocked; 638 __u64 time_offline; 639 } runstate; 640 __u32 vcpu_id; 641 struct { 642 __u32 port; 643 __u32 priority; 644 __u64 expires_ns; 645 } timer; 646 __u8 vector; 647 } u; 648 }; 649 650 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 651 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 652 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 653 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 654 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 655 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 656 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 657 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 658 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 659 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 660 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 661 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 662 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9 663 664 /* Secure Encrypted Virtualization command */ 665 enum sev_cmd_id { 666 /* Guest initialization commands */ 667 KVM_SEV_INIT = 0, 668 KVM_SEV_ES_INIT, 669 /* Guest launch commands */ 670 KVM_SEV_LAUNCH_START, 671 KVM_SEV_LAUNCH_UPDATE_DATA, 672 KVM_SEV_LAUNCH_UPDATE_VMSA, 673 KVM_SEV_LAUNCH_SECRET, 674 KVM_SEV_LAUNCH_MEASURE, 675 KVM_SEV_LAUNCH_FINISH, 676 /* Guest migration commands (outgoing) */ 677 KVM_SEV_SEND_START, 678 KVM_SEV_SEND_UPDATE_DATA, 679 KVM_SEV_SEND_UPDATE_VMSA, 680 KVM_SEV_SEND_FINISH, 681 /* Guest migration commands (incoming) */ 682 KVM_SEV_RECEIVE_START, 683 KVM_SEV_RECEIVE_UPDATE_DATA, 684 KVM_SEV_RECEIVE_UPDATE_VMSA, 685 KVM_SEV_RECEIVE_FINISH, 686 /* Guest status and debug commands */ 687 KVM_SEV_GUEST_STATUS, 688 KVM_SEV_DBG_DECRYPT, 689 KVM_SEV_DBG_ENCRYPT, 690 /* Guest certificates commands */ 691 KVM_SEV_CERT_EXPORT, 692 /* Attestation report */ 693 KVM_SEV_GET_ATTESTATION_REPORT, 694 /* Guest Migration Extension */ 695 KVM_SEV_SEND_CANCEL, 696 697 /* Second time is the charm; improved versions of the above ioctls. */ 698 KVM_SEV_INIT2, 699 700 /* SNP-specific commands */ 701 KVM_SEV_SNP_LAUNCH_START = 100, 702 KVM_SEV_SNP_LAUNCH_UPDATE, 703 KVM_SEV_SNP_LAUNCH_FINISH, 704 705 KVM_SEV_NR_MAX, 706 }; 707 708 struct kvm_sev_cmd { 709 __u32 id; 710 __u32 pad0; 711 __u64 data; 712 __u32 error; 713 __u32 sev_fd; 714 }; 715 716 struct kvm_sev_init { 717 __u64 vmsa_features; 718 __u32 flags; 719 __u16 ghcb_version; 720 __u16 pad1; 721 __u32 pad2[8]; 722 }; 723 724 struct kvm_sev_launch_start { 725 __u32 handle; 726 __u32 policy; 727 __u64 dh_uaddr; 728 __u32 dh_len; 729 __u32 pad0; 730 __u64 session_uaddr; 731 __u32 session_len; 732 __u32 pad1; 733 }; 734 735 struct kvm_sev_launch_update_data { 736 __u64 uaddr; 737 __u32 len; 738 __u32 pad0; 739 }; 740 741 742 struct kvm_sev_launch_secret { 743 __u64 hdr_uaddr; 744 __u32 hdr_len; 745 __u32 pad0; 746 __u64 guest_uaddr; 747 __u32 guest_len; 748 __u32 pad1; 749 __u64 trans_uaddr; 750 __u32 trans_len; 751 __u32 pad2; 752 }; 753 754 struct kvm_sev_launch_measure { 755 __u64 uaddr; 756 __u32 len; 757 __u32 pad0; 758 }; 759 760 struct kvm_sev_guest_status { 761 __u32 handle; 762 __u32 policy; 763 __u32 state; 764 }; 765 766 struct kvm_sev_dbg { 767 __u64 src_uaddr; 768 __u64 dst_uaddr; 769 __u32 len; 770 __u32 pad0; 771 }; 772 773 struct kvm_sev_attestation_report { 774 __u8 mnonce[16]; 775 __u64 uaddr; 776 __u32 len; 777 __u32 pad0; 778 }; 779 780 struct kvm_sev_send_start { 781 __u32 policy; 782 __u32 pad0; 783 __u64 pdh_cert_uaddr; 784 __u32 pdh_cert_len; 785 __u32 pad1; 786 __u64 plat_certs_uaddr; 787 __u32 plat_certs_len; 788 __u32 pad2; 789 __u64 amd_certs_uaddr; 790 __u32 amd_certs_len; 791 __u32 pad3; 792 __u64 session_uaddr; 793 __u32 session_len; 794 __u32 pad4; 795 }; 796 797 struct kvm_sev_send_update_data { 798 __u64 hdr_uaddr; 799 __u32 hdr_len; 800 __u32 pad0; 801 __u64 guest_uaddr; 802 __u32 guest_len; 803 __u32 pad1; 804 __u64 trans_uaddr; 805 __u32 trans_len; 806 __u32 pad2; 807 }; 808 809 struct kvm_sev_receive_start { 810 __u32 handle; 811 __u32 policy; 812 __u64 pdh_uaddr; 813 __u32 pdh_len; 814 __u32 pad0; 815 __u64 session_uaddr; 816 __u32 session_len; 817 __u32 pad1; 818 }; 819 820 struct kvm_sev_receive_update_data { 821 __u64 hdr_uaddr; 822 __u32 hdr_len; 823 __u32 pad0; 824 __u64 guest_uaddr; 825 __u32 guest_len; 826 __u32 pad1; 827 __u64 trans_uaddr; 828 __u32 trans_len; 829 __u32 pad2; 830 }; 831 832 struct kvm_sev_snp_launch_start { 833 __u64 policy; 834 __u8 gosvw[16]; 835 __u16 flags; 836 __u8 pad0[6]; 837 __u64 pad1[4]; 838 }; 839 840 /* Kept in sync with firmware values for simplicity. */ 841 #define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1 842 #define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3 843 #define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4 844 #define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5 845 #define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6 846 847 struct kvm_sev_snp_launch_update { 848 __u64 gfn_start; 849 __u64 uaddr; 850 __u64 len; 851 __u8 type; 852 __u8 pad0; 853 __u16 flags; 854 __u32 pad1; 855 __u64 pad2[4]; 856 }; 857 858 #define KVM_SEV_SNP_ID_BLOCK_SIZE 96 859 #define KVM_SEV_SNP_ID_AUTH_SIZE 4096 860 #define KVM_SEV_SNP_FINISH_DATA_SIZE 32 861 862 struct kvm_sev_snp_launch_finish { 863 __u64 id_block_uaddr; 864 __u64 id_auth_uaddr; 865 __u8 id_block_en; 866 __u8 auth_key_en; 867 __u8 vcek_disabled; 868 __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE]; 869 __u8 pad0[3]; 870 __u16 flags; 871 __u64 pad1[4]; 872 }; 873 874 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 875 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 876 877 struct kvm_hyperv_eventfd { 878 __u32 conn_id; 879 __s32 fd; 880 __u32 flags; 881 __u32 padding[3]; 882 }; 883 884 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 885 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 886 887 /* 888 * Masked event layout. 889 * Bits Description 890 * ---- ----------- 891 * 7:0 event select (low bits) 892 * 15:8 umask match 893 * 31:16 unused 894 * 35:32 event select (high bits) 895 * 36:54 unused 896 * 55 exclude bit 897 * 63:56 umask mask 898 */ 899 900 #define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \ 901 (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \ 902 (((mask) & 0xFFULL) << 56) | \ 903 (((match) & 0xFFULL) << 8) | \ 904 ((__u64)(!!(exclude)) << 55)) 905 906 #define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \ 907 (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32)) 908 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56)) 909 #define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8)) 910 #define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55)) 911 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56) 912 913 /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */ 914 #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */ 915 #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */ 916 917 /* x86-specific KVM_EXIT_HYPERCALL flags. */ 918 #define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0) 919 920 #define KVM_X86_DEFAULT_VM 0 921 #define KVM_X86_SW_PROTECTED_VM 1 922 #define KVM_X86_SEV_VM 2 923 #define KVM_X86_SEV_ES_VM 3 924 #define KVM_X86_SNP_VM 4 925 926 #endif /* _ASM_X86_KVM_H */ 927