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The C and C++ Include Header Files
cat -n /usr/include/x86_64-linux-gnu/asm/kvm.h
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 #define CP_VECTOR 21 39 40 #define HV_VECTOR 28 41 #define VC_VECTOR 29 42 #define SX_VECTOR 30 43 44 /* Select x86 specific features in <linux/kvm.h> */ 45 #define __KVM_HAVE_PIT 46 #define __KVM_HAVE_IOAPIC 47 #define __KVM_HAVE_IRQ_LINE 48 #define __KVM_HAVE_MSI 49 #define __KVM_HAVE_USER_NMI 50 #define __KVM_HAVE_MSIX 51 #define __KVM_HAVE_MCE 52 #define __KVM_HAVE_PIT_STATE2 53 #define __KVM_HAVE_XEN_HVM 54 #define __KVM_HAVE_VCPU_EVENTS 55 #define __KVM_HAVE_DEBUGREGS 56 #define __KVM_HAVE_XSAVE 57 #define __KVM_HAVE_XCRS 58 59 /* Architectural interrupt line count. */ 60 #define KVM_NR_INTERRUPTS 256 61 62 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */ 63 struct kvm_pic_state { 64 __u8 last_irr; /* edge detection */ 65 __u8 irr; /* interrupt request register */ 66 __u8 imr; /* interrupt mask register */ 67 __u8 isr; /* interrupt service register */ 68 __u8 priority_add; /* highest irq priority */ 69 __u8 irq_base; 70 __u8 read_reg_select; 71 __u8 poll; 72 __u8 special_mask; 73 __u8 init_state; 74 __u8 auto_eoi; 75 __u8 rotate_on_auto_eoi; 76 __u8 special_fully_nested_mode; 77 __u8 init4; /* true if 4 byte init */ 78 __u8 elcr; /* PIIX edge/trigger selection */ 79 __u8 elcr_mask; 80 }; 81 82 #define KVM_IOAPIC_NUM_PINS 24 83 struct kvm_ioapic_state { 84 __u64 base_address; 85 __u32 ioregsel; 86 __u32 id; 87 __u32 irr; 88 __u32 pad; 89 union { 90 __u64 bits; 91 struct { 92 __u8 vector; 93 __u8 delivery_mode:3; 94 __u8 dest_mode:1; 95 __u8 delivery_status:1; 96 __u8 polarity:1; 97 __u8 remote_irr:1; 98 __u8 trig_mode:1; 99 __u8 mask:1; 100 __u8 reserve:7; 101 __u8 reserved[4]; 102 __u8 dest_id; 103 } fields; 104 } redirtbl[KVM_IOAPIC_NUM_PINS]; 105 }; 106 107 #define KVM_IRQCHIP_PIC_MASTER 0 108 #define KVM_IRQCHIP_PIC_SLAVE 1 109 #define KVM_IRQCHIP_IOAPIC 2 110 #define KVM_NR_IRQCHIPS 3 111 112 #define KVM_RUN_X86_SMM (1 << 0) 113 #define KVM_RUN_X86_BUS_LOCK (1 << 1) 114 #define KVM_RUN_X86_GUEST_MODE (1 << 2) 115 116 /* for KVM_GET_REGS and KVM_SET_REGS */ 117 struct kvm_regs { 118 /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */ 119 __u64 rax, rbx, rcx, rdx; 120 __u64 rsi, rdi, rsp, rbp; 121 __u64 r8, r9, r10, r11; 122 __u64 r12, r13, r14, r15; 123 __u64 rip, rflags; 124 }; 125 126 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */ 127 #define KVM_APIC_REG_SIZE 0x400 128 struct kvm_lapic_state { 129 char regs[KVM_APIC_REG_SIZE]; 130 }; 131 132 struct kvm_segment { 133 __u64 base; 134 __u32 limit; 135 __u16 selector; 136 __u8 type; 137 __u8 present, dpl, db, s, l, g, avl; 138 __u8 unusable; 139 __u8 padding; 140 }; 141 142 struct kvm_dtable { 143 __u64 base; 144 __u16 limit; 145 __u16 padding[3]; 146 }; 147 148 149 /* for KVM_GET_SREGS and KVM_SET_SREGS */ 150 struct kvm_sregs { 151 /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */ 152 struct kvm_segment cs, ds, es, fs, gs, ss; 153 struct kvm_segment tr, ldt; 154 struct kvm_dtable gdt, idt; 155 __u64 cr0, cr2, cr3, cr4, cr8; 156 __u64 efer; 157 __u64 apic_base; 158 __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64]; 159 }; 160 161 struct kvm_sregs2 { 162 /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */ 163 struct kvm_segment cs, ds, es, fs, gs, ss; 164 struct kvm_segment tr, ldt; 165 struct kvm_dtable gdt, idt; 166 __u64 cr0, cr2, cr3, cr4, cr8; 167 __u64 efer; 168 __u64 apic_base; 169 __u64 flags; 170 __u64 pdptrs[4]; 171 }; 172 #define KVM_SREGS2_FLAGS_PDPTRS_VALID 1 173 174 /* for KVM_GET_FPU and KVM_SET_FPU */ 175 struct kvm_fpu { 176 __u8 fpr[8][16]; 177 __u16 fcw; 178 __u16 fsw; 179 __u8 ftwx; /* in fxsave format */ 180 __u8 pad1; 181 __u16 last_opcode; 182 __u64 last_ip; 183 __u64 last_dp; 184 __u8 xmm[16][16]; 185 __u32 mxcsr; 186 __u32 pad2; 187 }; 188 189 struct kvm_msr_entry { 190 __u32 index; 191 __u32 reserved; 192 __u64 data; 193 }; 194 195 /* for KVM_GET_MSRS and KVM_SET_MSRS */ 196 struct kvm_msrs { 197 __u32 nmsrs; /* number of msrs in entries */ 198 __u32 pad; 199 200 __DECLARE_FLEX_ARRAY(struct kvm_msr_entry, entries); 201 }; 202 203 /* for KVM_GET_MSR_INDEX_LIST */ 204 struct kvm_msr_list { 205 __u32 nmsrs; /* number of msrs in entries */ 206 __DECLARE_FLEX_ARRAY(__u32, indices); 207 }; 208 209 /* Maximum size of any access bitmap in bytes */ 210 #define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600 211 212 /* for KVM_X86_SET_MSR_FILTER */ 213 struct kvm_msr_filter_range { 214 #define KVM_MSR_FILTER_READ (1 << 0) 215 #define KVM_MSR_FILTER_WRITE (1 << 1) 216 #define KVM_MSR_FILTER_RANGE_VALID_MASK (KVM_MSR_FILTER_READ | \ 217 KVM_MSR_FILTER_WRITE) 218 __u32 flags; 219 __u32 nmsrs; /* number of msrs in bitmap */ 220 __u32 base; /* MSR index the bitmap starts at */ 221 __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */ 222 }; 223 224 #define KVM_MSR_FILTER_MAX_RANGES 16 225 struct kvm_msr_filter { 226 #define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0) 227 #define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0) 228 #define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY) 229 __u32 flags; 230 struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES]; 231 }; 232 233 struct kvm_cpuid_entry { 234 __u32 function; 235 __u32 eax; 236 __u32 ebx; 237 __u32 ecx; 238 __u32 edx; 239 __u32 padding; 240 }; 241 242 /* for KVM_SET_CPUID */ 243 struct kvm_cpuid { 244 __u32 nent; 245 __u32 padding; 246 __DECLARE_FLEX_ARRAY(struct kvm_cpuid_entry, entries); 247 }; 248 249 struct kvm_cpuid_entry2 { 250 __u32 function; 251 __u32 index; 252 __u32 flags; 253 __u32 eax; 254 __u32 ebx; 255 __u32 ecx; 256 __u32 edx; 257 __u32 padding[3]; 258 }; 259 260 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0) 261 #define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1) 262 #define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2) 263 264 /* for KVM_SET_CPUID2 */ 265 struct kvm_cpuid2 { 266 __u32 nent; 267 __u32 padding; 268 __DECLARE_FLEX_ARRAY(struct kvm_cpuid_entry2, entries); 269 }; 270 271 /* for KVM_GET_PIT and KVM_SET_PIT */ 272 struct kvm_pit_channel_state { 273 __u32 count; /* can be 65536 */ 274 __u16 latched_count; 275 __u8 count_latched; 276 __u8 status_latched; 277 __u8 status; 278 __u8 read_state; 279 __u8 write_state; 280 __u8 write_latch; 281 __u8 rw_mode; 282 __u8 mode; 283 __u8 bcd; 284 __u8 gate; 285 __s64 count_load_time; 286 }; 287 288 struct kvm_debug_exit_arch { 289 __u32 exception; 290 __u32 pad; 291 __u64 pc; 292 __u64 dr6; 293 __u64 dr7; 294 }; 295 296 #define KVM_GUESTDBG_USE_SW_BP 0x00010000 297 #define KVM_GUESTDBG_USE_HW_BP 0x00020000 298 #define KVM_GUESTDBG_INJECT_DB 0x00040000 299 #define KVM_GUESTDBG_INJECT_BP 0x00080000 300 #define KVM_GUESTDBG_BLOCKIRQ 0x00100000 301 302 /* for KVM_SET_GUEST_DEBUG */ 303 struct kvm_guest_debug_arch { 304 __u64 debugreg[8]; 305 }; 306 307 struct kvm_pit_state { 308 struct kvm_pit_channel_state channels[3]; 309 }; 310 311 #define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001 312 #define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002 313 314 struct kvm_pit_state2 { 315 struct kvm_pit_channel_state channels[3]; 316 __u32 flags; 317 __u32 reserved[9]; 318 }; 319 320 struct kvm_reinject_control { 321 __u8 pit_reinject; 322 __u8 reserved[31]; 323 }; 324 325 /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */ 326 #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001 327 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002 328 #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004 329 #define KVM_VCPUEVENT_VALID_SMM 0x00000008 330 #define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010 331 #define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020 332 333 /* Interrupt shadow states */ 334 #define KVM_X86_SHADOW_INT_MOV_SS 0x01 335 #define KVM_X86_SHADOW_INT_STI 0x02 336 337 /* for KVM_GET/SET_VCPU_EVENTS */ 338 struct kvm_vcpu_events { 339 struct { 340 __u8 injected; 341 __u8 nr; 342 __u8 has_error_code; 343 __u8 pending; 344 __u32 error_code; 345 } exception; 346 struct { 347 __u8 injected; 348 __u8 nr; 349 __u8 soft; 350 __u8 shadow; 351 } interrupt; 352 struct { 353 __u8 injected; 354 __u8 pending; 355 __u8 masked; 356 __u8 pad; 357 } nmi; 358 __u32 sipi_vector; 359 __u32 flags; 360 struct { 361 __u8 smm; 362 __u8 pending; 363 __u8 smm_inside_nmi; 364 __u8 latched_init; 365 } smi; 366 struct { 367 __u8 pending; 368 } triple_fault; 369 __u8 reserved[26]; 370 __u8 exception_has_payload; 371 __u64 exception_payload; 372 }; 373 374 /* for KVM_GET/SET_DEBUGREGS */ 375 struct kvm_debugregs { 376 __u64 db[4]; 377 __u64 dr6; 378 __u64 dr7; 379 __u64 flags; 380 __u64 reserved[9]; 381 }; 382 383 /* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */ 384 struct kvm_xsave { 385 /* 386 * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes 387 * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2) 388 * respectively, when invoked on the vm file descriptor. 389 * 390 * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2) 391 * will always be at least 4096. Currently, it is only greater 392 * than 4096 if a dynamic feature has been enabled with 393 * ``arch_prctl()``, but this may change in the future. 394 * 395 * The offsets of the state save areas in struct kvm_xsave follow 396 * the contents of CPUID leaf 0xD on the host. 397 */ 398 __u32 region[1024]; 399 __DECLARE_FLEX_ARRAY(__u32, extra); 400 }; 401 402 #define KVM_MAX_XCRS 16 403 404 struct kvm_xcr { 405 __u32 xcr; 406 __u32 reserved; 407 __u64 value; 408 }; 409 410 struct kvm_xcrs { 411 __u32 nr_xcrs; 412 __u32 flags; 413 struct kvm_xcr xcrs[KVM_MAX_XCRS]; 414 __u64 padding[16]; 415 }; 416 417 #define KVM_X86_REG_TYPE_MSR 2 418 #define KVM_X86_REG_TYPE_KVM 3 419 420 #define KVM_X86_KVM_REG_SIZE(reg) \ 421 ({ \ 422 reg == KVM_REG_GUEST_SSP ? KVM_REG_SIZE_U64 : 0; \ 423 }) 424 425 #define KVM_X86_REG_TYPE_SIZE(type, reg) \ 426 ({ \ 427 __u64 type_size = (__u64)type << 32; \ 428 \ 429 type_size |= type == KVM_X86_REG_TYPE_MSR ? KVM_REG_SIZE_U64 : \ 430 type == KVM_X86_REG_TYPE_KVM ? KVM_X86_KVM_REG_SIZE(reg) : \ 431 0; \ 432 type_size; \ 433 }) 434 435 #define KVM_X86_REG_ID(type, index) \ 436 (KVM_REG_X86 | KVM_X86_REG_TYPE_SIZE(type, index) | index) 437 438 #define KVM_X86_REG_MSR(index) \ 439 KVM_X86_REG_ID(KVM_X86_REG_TYPE_MSR, index) 440 #define KVM_X86_REG_KVM(index) \ 441 KVM_X86_REG_ID(KVM_X86_REG_TYPE_KVM, index) 442 443 /* KVM-defined registers starting from 0 */ 444 #define KVM_REG_GUEST_SSP 0 445 446 #define KVM_SYNC_X86_REGS (1UL << 0) 447 #define KVM_SYNC_X86_SREGS (1UL << 1) 448 #define KVM_SYNC_X86_EVENTS (1UL << 2) 449 450 #define KVM_SYNC_X86_VALID_FIELDS \ 451 (KVM_SYNC_X86_REGS| \ 452 KVM_SYNC_X86_SREGS| \ 453 KVM_SYNC_X86_EVENTS) 454 455 /* kvm_sync_regs struct included by kvm_run struct */ 456 struct kvm_sync_regs { 457 /* Members of this structure are potentially malicious. 458 * Care must be taken by code reading, esp. interpreting, 459 * data fields from them inside KVM to prevent TOCTOU and 460 * double-fetch types of vulnerabilities. 461 */ 462 struct kvm_regs regs; 463 struct kvm_sregs sregs; 464 struct kvm_vcpu_events events; 465 }; 466 467 #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) 468 #define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) 469 #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) 470 #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) 471 #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4) 472 #define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5) 473 #define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6) 474 #define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7) 475 #define KVM_X86_QUIRK_STUFF_FEATURE_MSRS (1 << 8) 476 #define KVM_X86_QUIRK_IGNORE_GUEST_PAT (1 << 9) 477 #define KVM_X86_QUIRK_VMCS12_ALLOW_FREEZE_IN_SMM (1 << 10) 478 479 #define KVM_STATE_NESTED_FORMAT_VMX 0 480 #define KVM_STATE_NESTED_FORMAT_SVM 1 481 482 #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 483 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 484 #define KVM_STATE_NESTED_EVMCS 0x00000004 485 #define KVM_STATE_NESTED_MTF_PENDING 0x00000008 486 #define KVM_STATE_NESTED_GIF_SET 0x00000100 487 488 #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 489 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 490 491 #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 492 493 #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000 494 495 #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001 496 497 /* vendor-independent attributes for system fd (group 0) */ 498 #define KVM_X86_GRP_SYSTEM 0 499 # define KVM_X86_XCOMP_GUEST_SUPP 0 500 501 /* vendor-specific groups and attributes for system fd */ 502 #define KVM_X86_GRP_SEV 1 503 # define KVM_X86_SEV_VMSA_FEATURES 0 504 # define KVM_X86_SNP_POLICY_BITS 1 505 # define KVM_X86_SEV_SNP_REQ_CERTS 2 506 507 struct kvm_vmx_nested_state_data { 508 __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 509 __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; 510 }; 511 512 struct kvm_vmx_nested_state_hdr { 513 __u64 vmxon_pa; 514 __u64 vmcs12_pa; 515 516 struct { 517 __u16 flags; 518 } smm; 519 520 __u16 pad; 521 522 __u32 flags; 523 __u64 preemption_timer_deadline; 524 }; 525 526 struct kvm_svm_nested_state_data { 527 /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */ 528 __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE]; 529 }; 530 531 struct kvm_svm_nested_state_hdr { 532 __u64 vmcb_pa; 533 }; 534 535 /* for KVM_CAP_NESTED_STATE */ 536 struct kvm_nested_state { 537 __u16 flags; 538 __u16 format; 539 __u32 size; 540 541 union { 542 struct kvm_vmx_nested_state_hdr vmx; 543 struct kvm_svm_nested_state_hdr svm; 544 545 /* Pad the header to 128 bytes. */ 546 __u8 pad[120]; 547 } hdr; 548 549 /* 550 * Define data region as 0 bytes to preserve backwards-compatability 551 * to old definition of kvm_nested_state in order to avoid changing 552 * KVM_{GET,PUT}_NESTED_STATE ioctl values. 553 */ 554 union { 555 __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx); 556 __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm); 557 } data; 558 }; 559 560 /* for KVM_CAP_PMU_EVENT_FILTER */ 561 struct kvm_pmu_event_filter { 562 __u32 action; 563 __u32 nevents; 564 __u32 fixed_counter_bitmap; 565 __u32 flags; 566 __u32 pad[4]; 567 __DECLARE_FLEX_ARRAY(__u64, events); 568 }; 569 570 #define KVM_PMU_EVENT_ALLOW 0 571 #define KVM_PMU_EVENT_DENY 1 572 573 #define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0) 574 #define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS) 575 576 /* for KVM_CAP_MCE */ 577 struct kvm_x86_mce { 578 __u64 status; 579 __u64 addr; 580 __u64 misc; 581 __u64 mcg_status; 582 __u8 bank; 583 __u8 pad1[7]; 584 __u64 pad2[3]; 585 }; 586 587 /* for KVM_CAP_XEN_HVM */ 588 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0) 589 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1) 590 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2) 591 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3) 592 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4) 593 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5) 594 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6) 595 #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7) 596 #define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8) 597 598 #define KVM_XEN_MSR_MIN_INDEX 0x40000000u 599 #define KVM_XEN_MSR_MAX_INDEX 0x4fffffffu 600 601 struct kvm_xen_hvm_config { 602 __u32 flags; 603 __u32 msr; 604 __u64 blob_addr_32; 605 __u64 blob_addr_64; 606 __u8 blob_size_32; 607 __u8 blob_size_64; 608 __u8 pad2[30]; 609 }; 610 611 struct kvm_xen_hvm_attr { 612 __u16 type; 613 __u16 pad[3]; 614 union { 615 __u8 long_mode; 616 __u8 vector; 617 __u8 runstate_update_flag; 618 union { 619 __u64 gfn; 620 #define KVM_XEN_INVALID_GFN ((__u64)-1) 621 __u64 hva; 622 } shared_info; 623 struct { 624 __u32 send_port; 625 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */ 626 __u32 flags; 627 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0) 628 #define KVM_XEN_EVTCHN_UPDATE (1 << 1) 629 #define KVM_XEN_EVTCHN_RESET (1 << 2) 630 /* 631 * Events sent by the guest are either looped back to 632 * the guest itself (potentially on a different port#) 633 * or signalled via an eventfd. 634 */ 635 union { 636 struct { 637 __u32 port; 638 __u32 vcpu; 639 __u32 priority; 640 } port; 641 struct { 642 __u32 port; /* Zero for eventfd */ 643 __s32 fd; 644 } eventfd; 645 __u32 padding[4]; 646 } deliver; 647 } evtchn; 648 __u32 xen_version; 649 __u64 pad[8]; 650 } u; 651 }; 652 653 654 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 655 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0 656 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1 657 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2 658 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 659 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3 660 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4 661 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */ 662 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5 663 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 664 #define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6 665 666 struct kvm_xen_vcpu_attr { 667 __u16 type; 668 __u16 pad[3]; 669 union { 670 __u64 gpa; 671 #define KVM_XEN_INVALID_GPA ((__u64)-1) 672 __u64 hva; 673 __u64 pad[8]; 674 struct { 675 __u64 state; 676 __u64 state_entry_time; 677 __u64 time_running; 678 __u64 time_runnable; 679 __u64 time_blocked; 680 __u64 time_offline; 681 } runstate; 682 __u32 vcpu_id; 683 struct { 684 __u32 port; 685 __u32 priority; 686 __u64 expires_ns; 687 } timer; 688 __u8 vector; 689 } u; 690 }; 691 692 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */ 693 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0 694 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1 695 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2 696 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3 697 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4 698 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5 699 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */ 700 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6 701 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7 702 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8 703 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */ 704 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9 705 706 /* Secure Encrypted Virtualization command */ 707 enum sev_cmd_id { 708 /* Guest initialization commands */ 709 KVM_SEV_INIT = 0, 710 KVM_SEV_ES_INIT, 711 /* Guest launch commands */ 712 KVM_SEV_LAUNCH_START, 713 KVM_SEV_LAUNCH_UPDATE_DATA, 714 KVM_SEV_LAUNCH_UPDATE_VMSA, 715 KVM_SEV_LAUNCH_SECRET, 716 KVM_SEV_LAUNCH_MEASURE, 717 KVM_SEV_LAUNCH_FINISH, 718 /* Guest migration commands (outgoing) */ 719 KVM_SEV_SEND_START, 720 KVM_SEV_SEND_UPDATE_DATA, 721 KVM_SEV_SEND_UPDATE_VMSA, 722 KVM_SEV_SEND_FINISH, 723 /* Guest migration commands (incoming) */ 724 KVM_SEV_RECEIVE_START, 725 KVM_SEV_RECEIVE_UPDATE_DATA, 726 KVM_SEV_RECEIVE_UPDATE_VMSA, 727 KVM_SEV_RECEIVE_FINISH, 728 /* Guest status and debug commands */ 729 KVM_SEV_GUEST_STATUS, 730 KVM_SEV_DBG_DECRYPT, 731 KVM_SEV_DBG_ENCRYPT, 732 /* Guest certificates commands */ 733 KVM_SEV_CERT_EXPORT, 734 /* Attestation report */ 735 KVM_SEV_GET_ATTESTATION_REPORT, 736 /* Guest Migration Extension */ 737 KVM_SEV_SEND_CANCEL, 738 739 /* Second time is the charm; improved versions of the above ioctls. */ 740 KVM_SEV_INIT2, 741 742 /* SNP-specific commands */ 743 KVM_SEV_SNP_LAUNCH_START = 100, 744 KVM_SEV_SNP_LAUNCH_UPDATE, 745 KVM_SEV_SNP_LAUNCH_FINISH, 746 KVM_SEV_SNP_ENABLE_REQ_CERTS, 747 748 KVM_SEV_NR_MAX, 749 }; 750 751 struct kvm_sev_cmd { 752 __u32 id; 753 __u32 pad0; 754 __u64 data; 755 __u32 error; 756 __u32 sev_fd; 757 }; 758 759 struct kvm_sev_init { 760 __u64 vmsa_features; 761 __u32 flags; 762 __u16 ghcb_version; 763 __u16 pad1; 764 __u32 pad2[8]; 765 }; 766 767 struct kvm_sev_launch_start { 768 __u32 handle; 769 __u32 policy; 770 __u64 dh_uaddr; 771 __u32 dh_len; 772 __u32 pad0; 773 __u64 session_uaddr; 774 __u32 session_len; 775 __u32 pad1; 776 }; 777 778 struct kvm_sev_launch_update_data { 779 __u64 uaddr; 780 __u32 len; 781 __u32 pad0; 782 }; 783 784 785 struct kvm_sev_launch_secret { 786 __u64 hdr_uaddr; 787 __u32 hdr_len; 788 __u32 pad0; 789 __u64 guest_uaddr; 790 __u32 guest_len; 791 __u32 pad1; 792 __u64 trans_uaddr; 793 __u32 trans_len; 794 __u32 pad2; 795 }; 796 797 struct kvm_sev_launch_measure { 798 __u64 uaddr; 799 __u32 len; 800 __u32 pad0; 801 }; 802 803 struct kvm_sev_guest_status { 804 __u32 handle; 805 __u32 policy; 806 __u32 state; 807 }; 808 809 struct kvm_sev_dbg { 810 __u64 src_uaddr; 811 __u64 dst_uaddr; 812 __u32 len; 813 __u32 pad0; 814 }; 815 816 struct kvm_sev_attestation_report { 817 __u8 mnonce[16]; 818 __u64 uaddr; 819 __u32 len; 820 __u32 pad0; 821 }; 822 823 struct kvm_sev_send_start { 824 __u32 policy; 825 __u32 pad0; 826 __u64 pdh_cert_uaddr; 827 __u32 pdh_cert_len; 828 __u32 pad1; 829 __u64 plat_certs_uaddr; 830 __u32 plat_certs_len; 831 __u32 pad2; 832 __u64 amd_certs_uaddr; 833 __u32 amd_certs_len; 834 __u32 pad3; 835 __u64 session_uaddr; 836 __u32 session_len; 837 __u32 pad4; 838 }; 839 840 struct kvm_sev_send_update_data { 841 __u64 hdr_uaddr; 842 __u32 hdr_len; 843 __u32 pad0; 844 __u64 guest_uaddr; 845 __u32 guest_len; 846 __u32 pad1; 847 __u64 trans_uaddr; 848 __u32 trans_len; 849 __u32 pad2; 850 }; 851 852 struct kvm_sev_receive_start { 853 __u32 handle; 854 __u32 policy; 855 __u64 pdh_uaddr; 856 __u32 pdh_len; 857 __u32 pad0; 858 __u64 session_uaddr; 859 __u32 session_len; 860 __u32 pad1; 861 }; 862 863 struct kvm_sev_receive_update_data { 864 __u64 hdr_uaddr; 865 __u32 hdr_len; 866 __u32 pad0; 867 __u64 guest_uaddr; 868 __u32 guest_len; 869 __u32 pad1; 870 __u64 trans_uaddr; 871 __u32 trans_len; 872 __u32 pad2; 873 }; 874 875 struct kvm_sev_snp_launch_start { 876 __u64 policy; 877 __u8 gosvw[16]; 878 __u16 flags; 879 __u8 pad0[6]; 880 __u64 pad1[4]; 881 }; 882 883 /* Kept in sync with firmware values for simplicity. */ 884 #define KVM_SEV_PAGE_TYPE_INVALID 0x0 885 #define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1 886 #define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3 887 #define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4 888 #define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5 889 #define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6 890 891 struct kvm_sev_snp_launch_update { 892 __u64 gfn_start; 893 __u64 uaddr; 894 __u64 len; 895 __u8 type; 896 __u8 pad0; 897 __u16 flags; 898 __u32 pad1; 899 __u64 pad2[4]; 900 }; 901 902 #define KVM_SEV_SNP_ID_BLOCK_SIZE 96 903 #define KVM_SEV_SNP_ID_AUTH_SIZE 4096 904 #define KVM_SEV_SNP_FINISH_DATA_SIZE 32 905 906 struct kvm_sev_snp_launch_finish { 907 __u64 id_block_uaddr; 908 __u64 id_auth_uaddr; 909 __u8 id_block_en; 910 __u8 auth_key_en; 911 __u8 vcek_disabled; 912 __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE]; 913 __u8 pad0[3]; 914 __u16 flags; 915 __u64 pad1[4]; 916 }; 917 918 #define KVM_X2APIC_API_USE_32BIT_IDS _BITULL(0) 919 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK _BITULL(1) 920 #define KVM_X2APIC_ENABLE_SUPPRESS_EOI_BROADCAST _BITULL(2) 921 #define KVM_X2APIC_DISABLE_SUPPRESS_EOI_BROADCAST _BITULL(3) 922 923 struct kvm_hyperv_eventfd { 924 __u32 conn_id; 925 __s32 fd; 926 __u32 flags; 927 __u32 padding[3]; 928 }; 929 930 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff 931 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) 932 933 /* 934 * Masked event layout. 935 * Bits Description 936 * ---- ----------- 937 * 7:0 event select (low bits) 938 * 15:8 umask match 939 * 31:16 unused 940 * 35:32 event select (high bits) 941 * 36:54 unused 942 * 55 exclude bit 943 * 63:56 umask mask 944 */ 945 946 #define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \ 947 (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \ 948 (((mask) & 0xFFULL) << 56) | \ 949 (((match) & 0xFFULL) << 8) | \ 950 ((__u64)(!!(exclude)) << 55)) 951 952 #define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \ 953 (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32)) 954 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56)) 955 #define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8)) 956 #define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55)) 957 #define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56) 958 959 /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */ 960 #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */ 961 #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */ 962 963 /* x86-specific KVM_EXIT_HYPERCALL flags. */ 964 #define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0) 965 966 #define KVM_X86_DEFAULT_VM 0 967 #define KVM_X86_SW_PROTECTED_VM 1 968 #define KVM_X86_SEV_VM 2 969 #define KVM_X86_SEV_ES_VM 3 970 #define KVM_X86_SNP_VM 4 971 #define KVM_X86_TDX_VM 5 972 973 /* Trust Domain eXtension sub-ioctl() commands. */ 974 enum kvm_tdx_cmd_id { 975 KVM_TDX_CAPABILITIES = 0, 976 KVM_TDX_INIT_VM, 977 KVM_TDX_INIT_VCPU, 978 KVM_TDX_INIT_MEM_REGION, 979 KVM_TDX_FINALIZE_VM, 980 KVM_TDX_GET_CPUID, 981 982 KVM_TDX_CMD_NR_MAX, 983 }; 984 985 struct kvm_tdx_cmd { 986 /* enum kvm_tdx_cmd_id */ 987 __u32 id; 988 /* flags for sub-commend. If sub-command doesn't use this, set zero. */ 989 __u32 flags; 990 /* 991 * data for each sub-command. An immediate or a pointer to the actual 992 * data in process virtual address. If sub-command doesn't use it, 993 * set zero. 994 */ 995 __u64 data; 996 /* 997 * Auxiliary error code. The sub-command may return TDX SEAMCALL 998 * status code in addition to -Exxx. 999 */ 1000 __u64 hw_error; 1001 }; 1002 1003 struct kvm_tdx_capabilities { 1004 __u64 supported_attrs; 1005 __u64 supported_xfam; 1006 1007 __u64 kernel_tdvmcallinfo_1_r11; 1008 __u64 user_tdvmcallinfo_1_r11; 1009 __u64 kernel_tdvmcallinfo_1_r12; 1010 __u64 user_tdvmcallinfo_1_r12; 1011 1012 __u64 reserved[250]; 1013 1014 /* Configurable CPUID bits for userspace */ 1015 struct kvm_cpuid2 cpuid; 1016 }; 1017 1018 struct kvm_tdx_init_vm { 1019 __u64 attributes; 1020 __u64 xfam; 1021 __u64 mrconfigid[6]; /* sha384 digest */ 1022 __u64 mrowner[6]; /* sha384 digest */ 1023 __u64 mrownerconfig[6]; /* sha384 digest */ 1024 1025 /* The total space for TD_PARAMS before the CPUIDs is 256 bytes */ 1026 __u64 reserved[12]; 1027 1028 /* 1029 * Call KVM_TDX_INIT_VM before vcpu creation, thus before 1030 * KVM_SET_CPUID2. 1031 * This configuration supersedes KVM_SET_CPUID2s for VCPUs because the 1032 * TDX module directly virtualizes those CPUIDs without VMM. The user 1033 * space VMM, e.g. qemu, should make KVM_SET_CPUID2 consistent with 1034 * those values. If it doesn't, KVM may have wrong idea of vCPUIDs of 1035 * the guest, and KVM may wrongly emulate CPUIDs or MSRs that the TDX 1036 * module doesn't virtualize. 1037 */ 1038 struct kvm_cpuid2 cpuid; 1039 }; 1040 1041 #define KVM_TDX_MEASURE_MEMORY_REGION _BITULL(0) 1042 1043 struct kvm_tdx_init_mem_region { 1044 __u64 source_addr; 1045 __u64 gpa; 1046 __u64 nr_pages; 1047 }; 1048 1049 #endif /* _ASM_X86_KVM_H */
