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