arch/x86/include/uapi/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
  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 */