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 #ifndef __KERNEL__ 222 #define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0) 223 #endif 224 #define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0) 225 #define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY) 226 __u32 flags; 227 struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES]; 228 }; 229 230 struct kvm_cpuid_entry { 231 __u32 function; 232 __u32 eax; 233 __u32 ebx; 234 __u32 ecx; 235 __u32 edx; 236 __u32 padding; 237 }; 238 239 /* for KVM_SET_CPUID */ 240 struct kvm_cpuid { 241 __u32 nent; 242 __u32 padding; 243 struct kvm_cpuid_entry entries[]; 244 }; 245 246 struct kvm_cpuid_entry2 { 247 __u32 function; 248 __u32 index; 249 __u32 flags; 250 __u32 eax; 251 __u32 ebx; 252 __u32 ecx; 253 __u32 edx; 254 __u32 padding[3]; 255 }; 256 257 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0) 258 #define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1) 259 #define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2) 260 261 /* for KVM_SET_CPUID2 */ 262 struct kvm_cpuid2 { 263 __u32 nent; 264 __u32 padding; 265 struct kvm_cpuid_entry2 entries[]; 266 }; 267 268 /* for KVM_GET_PIT and KVM_SET_PIT */ 269 struct kvm_pit_channel_state { 270 __u32 count; /* can be 65536 */ 271 __u16 latched_count; 272 __u8 count_latched; 273 __u8 status_latched; 274 __u8 status; 275 __u8 read_state; 276 __u8 write_state; 277 __u8 write_latch; 278 __u8 rw_mode; 279 __u8 mode; 280 __u8 bcd; 281 __u8 gate; 282 __s64 count_load_time; 283 }; 284 285 struct kvm_debug_exit_arch { 286 __u32 exception; 287 __u32 pad; 288 __u64 pc; 289 __u64 dr6; 290 __u64 dr7; 291 }; 292 293 #define KVM_GUESTDBG_USE_SW_BP 0x00010000 294 #define KVM_GUESTDBG_USE_HW_BP 0x00020000 295 #define KVM_GUESTDBG_INJECT_DB 0x00040000 296 #define KVM_GUESTDBG_INJECT_BP 0x00080000 297 #define KVM_GUESTDBG_BLOCKIRQ 0x00100000 298 299 /* for KVM_SET_GUEST_DEBUG */ 300 struct kvm_guest_debug_arch { 301 __u64 debugreg[8]; 302 }; 303 304 struct kvm_pit_state { 305 struct kvm_pit_channel_state channels[3]; 306 }; 307 308 #define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001 309 #define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002 310 311 struct kvm_pit_state2 { 312 struct kvm_pit_channel_state channels[3]; 313 __u32 flags; 314 __u32 reserved[9]; 315 }; 316 317 struct kvm_reinject_control { 318 __u8 pit_reinject; 319 __u8 reserved[31]; 320 }; 321 322 /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */ 323 #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001 324 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002 325 #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004 326 #define KVM_VCPUEVENT_VALID_SMM 0x00000008 327 #define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010 328 #define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020 329 330 /* Interrupt shadow states */ 331 #define KVM_X86_SHADOW_INT_MOV_SS 0x01 332 #define KVM_X86_SHADOW_INT_STI 0x02 333 334 /* for KVM_GET/SET_VCPU_EVENTS */ 335 struct kvm_vcpu_events { 336 struct { 337 __u8 injected; 338 __u8 nr; 339 __u8 has_error_code; 340 __u8 pending; 341 __u32 error_code; 342 } exception; 343 struct { 344 __u8 injected; 345 __u8 nr; 346 __u8 soft; 347 __u8 shadow; 348 } interrupt; 349 struct { 350 __u8 injected; 351 __u8 pending; 352 __u8 masked; 353 __u8 pad; 354 } nmi; 355 __u32 sipi_vector; 356 __u32 flags; 357 struct { 358 __u8 smm; 359 __u8 pending; 360 __u8 smm_inside_nmi; 361 __u8 latched_init; 362 } smi; 363 struct { 364 __u8 pending; 365 } triple_fault; 366 __u8 reserved[26]; 367 __u8 exception_has_payload; 368 __u64 exception_payload; 369 }; 370 371 /* for KVM_GET/SET_DEBUGREGS */ 372 struct kvm_debugregs { 373 __u64 db[4]; 374 __u64 dr6; 375 __u64 dr7; 376 __u64 flags; 377 __u64 reserved[9]; 378 }; 379 380 /* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */ 381 struct kvm_xsave { 382 /* 383 * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes 384 * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2) 385 * respectively, when invoked on the vm file descriptor. 386 * 387 * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2) 388 * will always be at least 4096. Currently, it is only greater 389 * than 4096 if a dynamic feature has been enabled with 390 * ``arch_prctl()``, but this may change in the future. 391 * 392 * The offsets of the state save areas in struct kvm_xsave follow 393 * the contents of CPUID leaf 0xD on the host. 394 */ 395 __u32 region[1024]; 396 __u32 extra[]; 397 }; 398 399 #define KVM_MAX_XCRS 16 400 401 struct kvm_xcr { 402 __u32 xcr; 403 __u32 reserved; 404 __u64 value; 405 }; 406 407 struct kvm_xcrs { 408 __u32 nr_xcrs; 409 __u32 flags; 410 struct kvm_xcr xcrs[KVM_MAX_XCRS]; 411 __u64 padding[16]; 412 }; 413 414 #define KVM_SYNC_X86_REGS (1UL << 0) 415 #define KVM_SYNC_X86_SREGS (1UL << 1) 416 #define KVM_SYNC_X86_EVENTS (1UL << 2) 417 418 #define KVM_SYNC_X86_VALID_FIELDS \ 419 (KVM_SYNC_X86_REGS| \ 420 KVM_SYNC_X86_SREGS| \ 421 KVM_SYNC_X86_EVENTS) 422 423 /* kvm_sync_regs struct included by kvm_run struct */ 424 struct kvm_sync_regs { 425 /* Members of this structure are potentially malicious. 426 * Care must be taken by code reading, esp. interpreting, 427 * data fields from them inside KVM to prevent TOCTOU and 428 * double-fetch types of vulnerabilities. 429 */ 430 struct kvm_regs regs; 431 struct kvm_sregs sregs; 432 struct kvm_vcpu_events events; 433 }; 434 435 #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) 436 #define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) 437 #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) 438 #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) 439 #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) 440 #define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5) 441 #define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6) 442 #define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7) 443 #define KVM_X86_QUIRK_STUFF_FEATURE_MSRS (1 << 8) 444 445 #define KVM_STATE_NESTED_FORMAT_VMX 0 446 #define KVM_STATE_NESTED_FORMAT_SVM 1 447 448 #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 449 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 450 #define KVM_STATE_NESTED_EVMCS 0x00000004 451 #define KVM_STATE_NESTED_MTF_PENDING 0x00000008 452 #define KVM_STATE_NESTED_GIF_SET 0x00000100 453 454 #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 455 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 456 457 #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 458 459 #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000 460 461 #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001 462 463 /* vendor-independent attributes for system fd (group 0) */ 464 #define KVM_X86_GRP_SYSTEM 0 465 # define KVM_X86_XCOMP_GUEST_SUPP 0 466 467 /* vendor-specific groups and attributes for system fd */ 468 #define KVM_X86_GRP_SEV 1 469 # define KVM_X86_SEV_VMSA_FEATURES 0 470 471 struct kvm_vmx_nested_state_data { 472 __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 473 __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 474 }; 475 476 struct kvm_vmx_nested_state_hdr { 477 __u64 vmxon_pa; 478 __u64 vmcs12_pa; 479 480 struct { 481 __u16 flags; 482 } smm; 483 484 __u16 pad; 485 486 __u32 flags; 487 __u64 preemption_timer_deadline; 488 }; 489 490 struct kvm_svm_nested_state_data { 491 /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */ 492 __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE]; 493 }; 494 495 struct kvm_svm_nested_state_hdr { 496 __u64 vmcb_pa; 497 }; 498 499 /* for KVM_CAP_NESTED_STATE */ 500 struct kvm_nested_state { 501 __u16 flags; 502 __u16 format; 503 __u32 size; 504 505 union { 506 struct kvm_vmx_nested_state_hdr vmx; 507 struct kvm_svm_nested_state_hdr svm; 508 509 /* Pad the header to 128 bytes. */ 510 __u8 pad[120]; 511 } hdr; 512 513 /* 514 * Define data region as 0 bytes to preserve backwards-compatability 515 * to old definition of kvm_nested_state in order to avoid changing 516 * KVM_{GET,PUT}_NESTED_STATE ioctl values. 517 */ 518 union { 519 __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx); 520 __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm); 521 } data; 522 }; 523 524 /* for KVM_CAP_PMU_EVENT_FILTER */ 525 struct kvm_pmu_event_filter { 526 __u32 action; 527 __u32 nevents; 528 __u32 fixed_counter_bitmap; 529 __u32 flags; 530 __u32 pad[4]; 531 __u64 events[]; 532 }; 533 534 #define KVM_PMU_EVENT_ALLOW 0 535 #define KVM_PMU_EVENT_DENY 1 536 537 #define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0) 538 #define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS) 539 540 /* for KVM_CAP_MCE */ 541 struct kvm_x86_mce { 542 __u64 status; 543 __u64 addr; 544 __u64 misc; 545 __u64 mcg_status; 546 __u8 bank; 547 __u8 pad1[7]; 548 __u64 pad2[3]; 549 }; 550 551 /* for KVM_CAP_XEN_HVM */ 552 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 553 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 554 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 555 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 556 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 557 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 558 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 559 #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7) 560 #define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8) 561 562 struct kvm_xen_hvm_config { 563 __u32 flags; 564 __u32 msr; 565 __u64 blob_addr_32; 566 __u64 blob_addr_64; 567 __u8 blob_size_32; 568 __u8 blob_size_64; 569 __u8 pad2[30]; 570 }; 571 572 struct kvm_xen_hvm_attr { 573 __u16 type; 574 __u16 pad[3]; 575 union { 576 __u8 long_mode; 577 __u8 vector; 578 __u8 runstate_update_flag; 579 union { 580 __u64 gfn; 581 #define KVM_XEN_INVALID_GFN ((__u64)-1) 582 __u64 hva; 583 } shared_info; 584 struct { 585 __u32 send_port; 586 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 587 __u32 flags; 588 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 589 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 590 #define KVM_XEN_EVTCHN_RESET (1 << 2) 591 /* 592 * Events sent by the guest are either looped back to 593 * the guest itself (potentially on a different port#) 594 * or signalled via an eventfd. 595 */ 596 union { 597 struct { 598 __u32 port; 599 __u32 vcpu; 600 __u32 priority; 601 } port; 602 struct { 603 __u32 port; /* Zero for eventfd */ 604 __s32 fd; 605 } eventfd; 606 __u32 padding[4]; 607 } deliver; 608 } evtchn; 609 __u32 xen_version; 610 __u64 pad[8]; 611 } u; 612 }; 613 614 615 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 616 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 617 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 618 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 619 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 620 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 621 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 622 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 623 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 624 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 625 #define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6 626 627 struct kvm_xen_vcpu_attr { 628 __u16 type; 629 __u16 pad[3]; 630 union { 631 __u64 gpa; 632 #define KVM_XEN_INVALID_GPA ((__u64)-1) 633 __u64 hva; 634 __u64 pad[8]; 635 struct { 636 __u64 state; 637 __u64 state_entry_time; 638 __u64 time_running; 639 __u64 time_runnable; 640 __u64 time_blocked; 641 __u64 time_offline; 642 } runstate; 643 __u32 vcpu_id; 644 struct { 645 __u32 port; 646 __u32 priority; 647 __u64 expires_ns; 648 } timer; 649 __u8 vector; 650 } u; 651 }; 652 653 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 654 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 655 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 656 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 657 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 658 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 659 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 660 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 661 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 662 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 663 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 664 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 665 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9 666 667 /* Secure Encrypted Virtualization command */ 668 enum sev_cmd_id { 669 /* Guest initialization commands */ 670 KVM_SEV_INIT = 0, 671 KVM_SEV_ES_INIT, 672 /* Guest launch commands */ 673 KVM_SEV_LAUNCH_START, 674 KVM_SEV_LAUNCH_UPDATE_DATA, 675 KVM_SEV_LAUNCH_UPDATE_VMSA, 676 KVM_SEV_LAUNCH_SECRET, 677 KVM_SEV_LAUNCH_MEASURE, 678 KVM_SEV_LAUNCH_FINISH, 679 /* Guest migration commands (outgoing) */ 680 KVM_SEV_SEND_START, 681 KVM_SEV_SEND_UPDATE_DATA, 682 KVM_SEV_SEND_UPDATE_VMSA, 683 KVM_SEV_SEND_FINISH, 684 /* Guest migration commands (incoming) */ 685 KVM_SEV_RECEIVE_START, 686 KVM_SEV_RECEIVE_UPDATE_DATA, 687 KVM_SEV_RECEIVE_UPDATE_VMSA, 688 KVM_SEV_RECEIVE_FINISH, 689 /* Guest status and debug commands */ 690 KVM_SEV_GUEST_STATUS, 691 KVM_SEV_DBG_DECRYPT, 692 KVM_SEV_DBG_ENCRYPT, 693 /* Guest certificates commands */ 694 KVM_SEV_CERT_EXPORT, 695 /* Attestation report */ 696 KVM_SEV_GET_ATTESTATION_REPORT, 697 /* Guest Migration Extension */ 698 KVM_SEV_SEND_CANCEL, 699 700 /* Second time is the charm; improved versions of the above ioctls. */ 701 KVM_SEV_INIT2, 702 703 /* SNP-specific commands */ 704 KVM_SEV_SNP_LAUNCH_START = 100, 705 KVM_SEV_SNP_LAUNCH_UPDATE, 706 KVM_SEV_SNP_LAUNCH_FINISH, 707 708 KVM_SEV_NR_MAX, 709 }; 710 711 struct kvm_sev_cmd { 712 __u32 id; 713 __u32 pad0; 714 __u64 data; 715 __u32 error; 716 __u32 sev_fd; 717 }; 718 719 struct kvm_sev_init { 720 __u64 vmsa_features; 721 __u32 flags; 722 __u16 ghcb_version; 723 __u16 pad1; 724 __u32 pad2[8]; 725 }; 726 727 struct kvm_sev_launch_start { 728 __u32 handle; 729 __u32 policy; 730 __u64 dh_uaddr; 731 __u32 dh_len; 732 __u32 pad0; 733 __u64 session_uaddr; 734 __u32 session_len; 735 __u32 pad1; 736 }; 737 738 struct kvm_sev_launch_update_data { 739 __u64 uaddr; 740 __u32 len; 741 __u32 pad0; 742 }; 743 744 745 struct kvm_sev_launch_secret { 746 __u64 hdr_uaddr; 747 __u32 hdr_len; 748 __u32 pad0; 749 __u64 guest_uaddr; 750 __u32 guest_len; 751 __u32 pad1; 752 __u64 trans_uaddr; 753 __u32 trans_len; 754 __u32 pad2; 755 }; 756 757 struct kvm_sev_launch_measure { 758 __u64 uaddr; 759 __u32 len; 760 __u32 pad0; 761 }; 762 763 struct kvm_sev_guest_status { 764 __u32 handle; 765 __u32 policy; 766 __u32 state; 767 }; 768 769 struct kvm_sev_dbg { 770 __u64 src_uaddr; 771 __u64 dst_uaddr; 772 __u32 len; 773 __u32 pad0; 774 }; 775 776 struct kvm_sev_attestation_report { 777 __u8 mnonce[16]; 778 __u64 uaddr; 779 __u32 len; 780 __u32 pad0; 781 }; 782 783 struct kvm_sev_send_start { 784 __u32 policy; 785 __u32 pad0; 786 __u64 pdh_cert_uaddr; 787 __u32 pdh_cert_len; 788 __u32 pad1; 789 __u64 plat_certs_uaddr; 790 __u32 plat_certs_len; 791 __u32 pad2; 792 __u64 amd_certs_uaddr; 793 __u32 amd_certs_len; 794 __u32 pad3; 795 __u64 session_uaddr; 796 __u32 session_len; 797 __u32 pad4; 798 }; 799 800 struct kvm_sev_send_update_data { 801 __u64 hdr_uaddr; 802 __u32 hdr_len; 803 __u32 pad0; 804 __u64 guest_uaddr; 805 __u32 guest_len; 806 __u32 pad1; 807 __u64 trans_uaddr; 808 __u32 trans_len; 809 __u32 pad2; 810 }; 811 812 struct kvm_sev_receive_start { 813 __u32 handle; 814 __u32 policy; 815 __u64 pdh_uaddr; 816 __u32 pdh_len; 817 __u32 pad0; 818 __u64 session_uaddr; 819 __u32 session_len; 820 __u32 pad1; 821 }; 822 823 struct kvm_sev_receive_update_data { 824 __u64 hdr_uaddr; 825 __u32 hdr_len; 826 __u32 pad0; 827 __u64 guest_uaddr; 828 __u32 guest_len; 829 __u32 pad1; 830 __u64 trans_uaddr; 831 __u32 trans_len; 832 __u32 pad2; 833 }; 834 835 struct kvm_sev_snp_launch_start { 836 __u64 policy; 837 __u8 gosvw[16]; 838 __u16 flags; 839 __u8 pad0[6]; 840 __u64 pad1[4]; 841 }; 842 843 /* Kept in sync with firmware values for simplicity. */ 844 #define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1 845 #define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3 846 #define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4 847 #define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5 848 #define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6 849 850 struct kvm_sev_snp_launch_update { 851 __u64 gfn_start; 852 __u64 uaddr; 853 __u64 len; 854 __u8 type; 855 __u8 pad0; 856 __u16 flags; 857 __u32 pad1; 858 __u64 pad2[4]; 859 }; 860 861 #define KVM_SEV_SNP_ID_BLOCK_SIZE 96 862 #define KVM_SEV_SNP_ID_AUTH_SIZE 4096 863 #define KVM_SEV_SNP_FINISH_DATA_SIZE 32 864 865 struct kvm_sev_snp_launch_finish { 866 __u64 id_block_uaddr; 867 __u64 id_auth_uaddr; 868 __u8 id_block_en; 869 __u8 auth_key_en; 870 __u8 vcek_disabled; 871 __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE]; 872 __u8 pad0[3]; 873 __u16 flags; 874 __u64 pad1[4]; 875 }; 876 877 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0) 878 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1) 879 880 struct kvm_hyperv_eventfd { 881 __u32 conn_id; 882 __s32 fd; 883 __u32 flags; 884 __u32 padding[3]; 885 }; 886 887 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 888 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 889 890 /* 891 * Masked event layout. 892 * Bits Description 893 * ---- ----------- 894 * 7:0 event select (low bits) 895 * 15:8 umask match 896 * 31:16 unused 897 * 35:32 event select (high bits) 898 * 36:54 unused 899 * 55 exclude bit 900 * 63:56 umask mask 901 */ 902 903 #define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \ 904 (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \ 905 (((mask) & 0xFFULL) << 56) | \ 906 (((match) & 0xFFULL) << 8) | \ 907 ((__u64)(!!(exclude)) << 55)) 908 909 #define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \ 910 (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32)) 911 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56)) 912 #define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8)) 913 #define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55)) 914 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56) 915 916 /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */ 917 #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */ 918 #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */ 919 920 /* x86-specific KVM_EXIT_HYPERCALL flags. */ 921 #define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0) 922 923 #define KVM_X86_DEFAULT_VM 0 924 #define KVM_X86_SW_PROTECTED_VM 1 925 #define KVM_X86_SEV_VM 2 926 #define KVM_X86_SEV_ES_VM 3 927 #define KVM_X86_SNP_VM 4 928 929 #endif /* _ASM_X86_KVM_H */ 930