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 #define KVM_X86_QUIRK_STUFF_FEATURE_MSRS (1 << 8) 442 #define KVM_X86_QUIRK_IGNORE_GUEST_PAT (1 << 9) 443 444 #define KVM_STATE_NESTED_FORMAT_VMX 0 445 #define KVM_STATE_NESTED_FORMAT_SVM 1 446 447 #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 448 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 449 #define KVM_STATE_NESTED_EVMCS 0x00000004 450 #define KVM_STATE_NESTED_MTF_PENDING 0x00000008 451 #define KVM_STATE_NESTED_GIF_SET 0x00000100 452 453 #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 454 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 455 456 #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 457 458 #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000 459 460 #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001 461 462 /* vendor-independent attributes for system fd (group 0) */ 463 #define KVM_X86_GRP_SYSTEM 0 464 # define KVM_X86_XCOMP_GUEST_SUPP 0 465 466 /* vendor-specific groups and attributes for system fd */ 467 #define KVM_X86_GRP_SEV 1 468 # define KVM_X86_SEV_VMSA_FEATURES 0 469 470 struct kvm_vmx_nested_state_data { 471 __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 472 __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 473 }; 474 475 struct kvm_vmx_nested_state_hdr { 476 __u64 vmxon_pa; 477 __u64 vmcs12_pa; 478 479 struct { 480 __u16 flags; 481 } smm; 482 483 __u16 pad; 484 485 __u32 flags; 486 __u64 preemption_timer_deadline; 487 }; 488 489 struct kvm_svm_nested_state_data { 490 /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */ 491 __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE]; 492 }; 493 494 struct kvm_svm_nested_state_hdr { 495 __u64 vmcb_pa; 496 }; 497 498 /* for KVM_CAP_NESTED_STATE */ 499 struct kvm_nested_state { 500 __u16 flags; 501 __u16 format; 502 __u32 size; 503 504 union { 505 struct kvm_vmx_nested_state_hdr vmx; 506 struct kvm_svm_nested_state_hdr svm; 507 508 /* Pad the header to 128 bytes. */ 509 __u8 pad[120]; 510 } hdr; 511 512 /* 513 * Define data region as 0 bytes to preserve backwards-compatability 514 * to old definition of kvm_nested_state in order to avoid changing 515 * KVM_{GET,PUT}_NESTED_STATE ioctl values. 516 */ 517 union { 518 __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx); 519 __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm); 520 } data; 521 }; 522 523 /* for KVM_CAP_PMU_EVENT_FILTER */ 524 struct kvm_pmu_event_filter { 525 __u32 action; 526 __u32 nevents; 527 __u32 fixed_counter_bitmap; 528 __u32 flags; 529 __u32 pad[4]; 530 __u64 events[]; 531 }; 532 533 #define KVM_PMU_EVENT_ALLOW 0 534 #define KVM_PMU_EVENT_DENY 1 535 536 #define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0) 537 #define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS) 538 539 /* for KVM_CAP_MCE */ 540 struct kvm_x86_mce { 541 __u64 status; 542 __u64 addr; 543 __u64 misc; 544 __u64 mcg_status; 545 __u8 bank; 546 __u8 pad1[7]; 547 __u64 pad2[3]; 548 }; 549 550 /* for KVM_CAP_XEN_HVM */ 551 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 552 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 553 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 554 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 555 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 556 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 557 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 558 #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7) 559 #define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8) 560 561 #define KVM_XEN_MSR_MIN_INDEX 0x40000000u 562 #define KVM_XEN_MSR_MAX_INDEX 0x4fffffffu 563 564 struct kvm_xen_hvm_config { 565 __u32 flags; 566 __u32 msr; 567 __u64 blob_addr_32; 568 __u64 blob_addr_64; 569 __u8 blob_size_32; 570 __u8 blob_size_64; 571 __u8 pad2[30]; 572 }; 573 574 struct kvm_xen_hvm_attr { 575 __u16 type; 576 __u16 pad[3]; 577 union { 578 __u8 long_mode; 579 __u8 vector; 580 __u8 runstate_update_flag; 581 union { 582 __u64 gfn; 583 #define KVM_XEN_INVALID_GFN ((__u64)-1) 584 __u64 hva; 585 } shared_info; 586 struct { 587 __u32 send_port; 588 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 589 __u32 flags; 590 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 591 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 592 #define KVM_XEN_EVTCHN_RESET (1 << 2) 593 /* 594 * Events sent by the guest are either looped back to 595 * the guest itself (potentially on a different port#) 596 * or signalled via an eventfd. 597 */ 598 union { 599 struct { 600 __u32 port; 601 __u32 vcpu; 602 __u32 priority; 603 } port; 604 struct { 605 __u32 port; /* Zero for eventfd */ 606 __s32 fd; 607 } eventfd; 608 __u32 padding[4]; 609 } deliver; 610 } evtchn; 611 __u32 xen_version; 612 __u64 pad[8]; 613 } u; 614 }; 615 616 617 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 618 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 619 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 620 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 621 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 622 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 623 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 624 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 625 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 626 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 627 #define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6 628 629 struct kvm_xen_vcpu_attr { 630 __u16 type; 631 __u16 pad[3]; 632 union { 633 __u64 gpa; 634 #define KVM_XEN_INVALID_GPA ((__u64)-1) 635 __u64 hva; 636 __u64 pad[8]; 637 struct { 638 __u64 state; 639 __u64 state_entry_time; 640 __u64 time_running; 641 __u64 time_runnable; 642 __u64 time_blocked; 643 __u64 time_offline; 644 } runstate; 645 __u32 vcpu_id; 646 struct { 647 __u32 port; 648 __u32 priority; 649 __u64 expires_ns; 650 } timer; 651 __u8 vector; 652 } u; 653 }; 654 655 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 656 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 657 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 658 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 659 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 660 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 661 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 662 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 663 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 664 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 665 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 666 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 667 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9 668 669 /* Secure Encrypted Virtualization command */ 670 enum sev_cmd_id { 671 /* Guest initialization commands */ 672 KVM_SEV_INIT = 0, 673 KVM_SEV_ES_INIT, 674 /* Guest launch commands */ 675 KVM_SEV_LAUNCH_START, 676 KVM_SEV_LAUNCH_UPDATE_DATA, 677 KVM_SEV_LAUNCH_UPDATE_VMSA, 678 KVM_SEV_LAUNCH_SECRET, 679 KVM_SEV_LAUNCH_MEASURE, 680 KVM_SEV_LAUNCH_FINISH, 681 /* Guest migration commands (outgoing) */ 682 KVM_SEV_SEND_START, 683 KVM_SEV_SEND_UPDATE_DATA, 684 KVM_SEV_SEND_UPDATE_VMSA, 685 KVM_SEV_SEND_FINISH, 686 /* Guest migration commands (incoming) */ 687 KVM_SEV_RECEIVE_START, 688 KVM_SEV_RECEIVE_UPDATE_DATA, 689 KVM_SEV_RECEIVE_UPDATE_VMSA, 690 KVM_SEV_RECEIVE_FINISH, 691 /* Guest status and debug commands */ 692 KVM_SEV_GUEST_STATUS, 693 KVM_SEV_DBG_DECRYPT, 694 KVM_SEV_DBG_ENCRYPT, 695 /* Guest certificates commands */ 696 KVM_SEV_CERT_EXPORT, 697 /* Attestation report */ 698 KVM_SEV_GET_ATTESTATION_REPORT, 699 /* Guest Migration Extension */ 700 KVM_SEV_SEND_CANCEL, 701 702 /* Second time is the charm; improved versions of the above ioctls. */ 703 KVM_SEV_INIT2, 704 705 /* SNP-specific commands */ 706 KVM_SEV_SNP_LAUNCH_START = 100, 707 KVM_SEV_SNP_LAUNCH_UPDATE, 708 KVM_SEV_SNP_LAUNCH_FINISH, 709 710 KVM_SEV_NR_MAX, 711 }; 712 713 struct kvm_sev_cmd { 714 __u32 id; 715 __u32 pad0; 716 __u64 data; 717 __u32 error; 718 __u32 sev_fd; 719 }; 720 721 struct kvm_sev_init { 722 __u64 vmsa_features; 723 __u32 flags; 724 __u16 ghcb_version; 725 __u16 pad1; 726 __u32 pad2[8]; 727 }; 728 729 struct kvm_sev_launch_start { 730 __u32 handle; 731 __u32 policy; 732 __u64 dh_uaddr; 733 __u32 dh_len; 734 __u32 pad0; 735 __u64 session_uaddr; 736 __u32 session_len; 737 __u32 pad1; 738 }; 739 740 struct kvm_sev_launch_update_data { 741 __u64 uaddr; 742 __u32 len; 743 __u32 pad0; 744 }; 745 746 747 struct kvm_sev_launch_secret { 748 __u64 hdr_uaddr; 749 __u32 hdr_len; 750 __u32 pad0; 751 __u64 guest_uaddr; 752 __u32 guest_len; 753 __u32 pad1; 754 __u64 trans_uaddr; 755 __u32 trans_len; 756 __u32 pad2; 757 }; 758 759 struct kvm_sev_launch_measure { 760 __u64 uaddr; 761 __u32 len; 762 __u32 pad0; 763 }; 764 765 struct kvm_sev_guest_status { 766 __u32 handle; 767 __u32 policy; 768 __u32 state; 769 }; 770 771 struct kvm_sev_dbg { 772 __u64 src_uaddr; 773 __u64 dst_uaddr; 774 __u32 len; 775 __u32 pad0; 776 }; 777 778 struct kvm_sev_attestation_report { 779 __u8 mnonce[16]; 780 __u64 uaddr; 781 __u32 len; 782 __u32 pad0; 783 }; 784 785 struct kvm_sev_send_start { 786 __u32 policy; 787 __u32 pad0; 788 __u64 pdh_cert_uaddr; 789 __u32 pdh_cert_len; 790 __u32 pad1; 791 __u64 plat_certs_uaddr; 792 __u32 plat_certs_len; 793 __u32 pad2; 794 __u64 amd_certs_uaddr; 795 __u32 amd_certs_len; 796 __u32 pad3; 797 __u64 session_uaddr; 798 __u32 session_len; 799 __u32 pad4; 800 }; 801 802 struct kvm_sev_send_update_data { 803 __u64 hdr_uaddr; 804 __u32 hdr_len; 805 __u32 pad0; 806 __u64 guest_uaddr; 807 __u32 guest_len; 808 __u32 pad1; 809 __u64 trans_uaddr; 810 __u32 trans_len; 811 __u32 pad2; 812 }; 813 814 struct kvm_sev_receive_start { 815 __u32 handle; 816 __u32 policy; 817 __u64 pdh_uaddr; 818 __u32 pdh_len; 819 __u32 pad0; 820 __u64 session_uaddr; 821 __u32 session_len; 822 __u32 pad1; 823 }; 824 825 struct kvm_sev_receive_update_data { 826 __u64 hdr_uaddr; 827 __u32 hdr_len; 828 __u32 pad0; 829 __u64 guest_uaddr; 830 __u32 guest_len; 831 __u32 pad1; 832 __u64 trans_uaddr; 833 __u32 trans_len; 834 __u32 pad2; 835 }; 836 837 struct kvm_sev_snp_launch_start { 838 __u64 policy; 839 __u8 gosvw[16]; 840 __u16 flags; 841 __u8 pad0[6]; 842 __u64 pad1[4]; 843 }; 844 845 /* Kept in sync with firmware values for simplicity. */ 846 #define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1 847 #define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3 848 #define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4 849 #define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5 850 #define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6 851 852 struct kvm_sev_snp_launch_update { 853 __u64 gfn_start; 854 __u64 uaddr; 855 __u64 len; 856 __u8 type; 857 __u8 pad0; 858 __u16 flags; 859 __u32 pad1; 860 __u64 pad2[4]; 861 }; 862 863 #define KVM_SEV_SNP_ID_BLOCK_SIZE 96 864 #define KVM_SEV_SNP_ID_AUTH_SIZE 4096 865 #define KVM_SEV_SNP_FINISH_DATA_SIZE 32 866 867 struct kvm_sev_snp_launch_finish { 868 __u64 id_block_uaddr; 869 __u64 id_auth_uaddr; 870 __u8 id_block_en; 871 __u8 auth_key_en; 872 __u8 vcek_disabled; 873 __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE]; 874 __u8 pad0[3]; 875 __u16 flags; 876 __u64 pad1[4]; 877 }; 878 879 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 880 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 881 882 struct kvm_hyperv_eventfd { 883 __u32 conn_id; 884 __s32 fd; 885 __u32 flags; 886 __u32 padding[3]; 887 }; 888 889 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 890 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 891 892 /* 893 * Masked event layout. 894 * Bits Description 895 * ---- ----------- 896 * 7:0 event select (low bits) 897 * 15:8 umask match 898 * 31:16 unused 899 * 35:32 event select (high bits) 900 * 36:54 unused 901 * 55 exclude bit 902 * 63:56 umask mask 903 */ 904 905 #define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \ 906 (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \ 907 (((mask) & 0xFFULL) << 56) | \ 908 (((match) & 0xFFULL) << 8) | \ 909 ((__u64)(!!(exclude)) << 55)) 910 911 #define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \ 912 (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32)) 913 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56)) 914 #define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8)) 915 #define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55)) 916 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56) 917 918 /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */ 919 #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */ 920 #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */ 921 922 /* x86-specific KVM_EXIT_HYPERCALL flags. */ 923 #define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0) 924 925 #define KVM_X86_DEFAULT_VM 0 926 #define KVM_X86_SW_PROTECTED_VM 1 927 #define KVM_X86_SEV_VM 2 928 #define KVM_X86_SEV_ES_VM 3 929 #define KVM_X86_SNP_VM 4 930 #define KVM_X86_TDX_VM 5 931 932 /* Trust Domain eXtension sub-ioctl() commands. */ 933 enum kvm_tdx_cmd_id { 934 KVM_TDX_CAPABILITIES = 0, 935 KVM_TDX_INIT_VM, 936 KVM_TDX_INIT_VCPU, 937 KVM_TDX_INIT_MEM_REGION, 938 KVM_TDX_FINALIZE_VM, 939 KVM_TDX_GET_CPUID, 940 941 KVM_TDX_CMD_NR_MAX, 942 }; 943 944 struct kvm_tdx_cmd { 945 /* enum kvm_tdx_cmd_id */ 946 __u32 id; 947 /* flags for sub-commend. If sub-command doesn't use this, set zero. */ 948 __u32 flags; 949 /* 950 * data for each sub-command. An immediate or a pointer to the actual 951 * data in process virtual address. If sub-command doesn't use it, 952 * set zero. 953 */ 954 __u64 data; 955 /* 956 * Auxiliary error code. The sub-command may return TDX SEAMCALL 957 * status code in addition to -Exxx. 958 */ 959 __u64 hw_error; 960 }; 961 962 struct kvm_tdx_capabilities { 963 __u64 supported_attrs; 964 __u64 supported_xfam; 965 __u64 reserved[254]; 966 967 /* Configurable CPUID bits for userspace */ 968 struct kvm_cpuid2 cpuid; 969 }; 970 971 struct kvm_tdx_init_vm { 972 __u64 attributes; 973 __u64 xfam; 974 __u64 mrconfigid[6]; /* sha384 digest */ 975 __u64 mrowner[6]; /* sha384 digest */ 976 __u64 mrownerconfig[6]; /* sha384 digest */ 977 978 /* The total space for TD_PARAMS before the CPUIDs is 256 bytes */ 979 __u64 reserved[12]; 980 981 /* 982 * Call KVM_TDX_INIT_VM before vcpu creation, thus before 983 * KVM_SET_CPUID2. 984 * This configuration supersedes KVM_SET_CPUID2s for VCPUs because the 985 * TDX module directly virtualizes those CPUIDs without VMM. The user 986 * space VMM, e.g. qemu, should make KVM_SET_CPUID2 consistent with 987 * those values. If it doesn't, KVM may have wrong idea of vCPUIDs of 988 * the guest, and KVM may wrongly emulate CPUIDs or MSRs that the TDX 989 * module doesn't virtualize. 990 */ 991 struct kvm_cpuid2 cpuid; 992 }; 993 994 #define KVM_TDX_MEASURE_MEMORY_REGION _BITULL(0) 995 996 struct kvm_tdx_init_mem_region { 997 __u64 source_addr; 998 __u64 gpa; 999 __u64 nr_pages; 1000 }; 1001 1002 #endif /* _ASM_X86_KVM_H */ 1003