arch/x86/kvm/svm/svm.h

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Kernel-based Virtual Machine driver for Linux
   4  *
   5  * AMD SVM support
   6  *
   7  * Copyright (C) 2006 Qumranet, Inc.
   8  * Copyright 2010 Red Hat, Inc. and/or its affiliates.
   9  *
  10  * Authors:
  11  *   Yaniv Kamay  <yaniv@qumranet.com>
  12  *   Avi Kivity   <avi@qumranet.com>
  13  */
  14
  15 #ifndef __SVM_SVM_H
  16 #define __SVM_SVM_H
  17
  18 #include <linux/kvm_types.h>
  19 #include <linux/kvm_host.h>
  20 #include <linux/bits.h>
  21
  22 #include <asm/svm.h>
  23 #include <asm/sev-common.h>
  24
  25 #define __sme_page_pa(x) __sme_set(page_to_pfn(x) << PAGE_SHIFT)
  26
  27 #define IOPM_SIZE PAGE_SIZE * 3
  28 #define MSRPM_SIZE PAGE_SIZE * 2
  29
  30 #define MAX_DIRECT_ACCESS_MSRS  20
  31 #define MSRPM_OFFSETS   16
  32 extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly;
  33 extern bool npt_enabled;
  34
  35 enum {
  36         VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,
  37                             pause filter count */
  38         VMCB_PERM_MAP,   /* IOPM Base and MSRPM Base */
  39         VMCB_ASID,       /* ASID */
  40         VMCB_INTR,       /* int_ctl, int_vector */
  41         VMCB_NPT,        /* npt_en, nCR3, gPAT */
  42         VMCB_CR,         /* CR0, CR3, CR4, EFER */
  43         VMCB_DR,         /* DR6, DR7 */
  44         VMCB_DT,         /* GDT, IDT */
  45         VMCB_SEG,        /* CS, DS, SS, ES, CPL */
  46         VMCB_CR2,        /* CR2 only */
  47         VMCB_LBR,        /* DBGCTL, BR_FROM, BR_TO, LAST_EX_FROM, LAST_EX_TO */
  48         VMCB_AVIC,       /* AVIC APIC_BAR, AVIC APIC_BACKING_PAGE,
  49                           * AVIC PHYSICAL_TABLE pointer,
  50                           * AVIC LOGICAL_TABLE pointer
  51                           */
  52         VMCB_DIRTY_MAX,
  53 };
  54
  55 /* TPR and CR2 are always written before VMRUN */
  56 #define VMCB_ALWAYS_DIRTY_MASK  ((1U << VMCB_INTR) | (1U << VMCB_CR2))
  57
  58 struct kvm_sev_info {
  59         bool active;            /* SEV enabled guest */
  60         bool es_active;         /* SEV-ES enabled guest */
  61         unsigned int asid;      /* ASID used for this guest */
  62         unsigned int handle;    /* SEV firmware handle */
  63         int fd;                 /* SEV device fd */
  64         unsigned long pages_locked; /* Number of pages locked */
  65         struct list_head regions_list;  /* List of registered regions */
  66         u64 ap_jump_table;      /* SEV-ES AP Jump Table address */
  67         struct kvm *enc_context_owner; /* Owner of copied encryption context */
  68         struct misc_cg *misc_cg; /* For misc cgroup accounting */
  69 };
  70
  71 struct kvm_svm {
  72         struct kvm kvm;
  73
  74         /* Struct members for AVIC */
  75         u32 avic_vm_id;
  76         struct page *avic_logical_id_table_page;
  77         struct page *avic_physical_id_table_page;
  78         struct hlist_node hnode;
  79
  80         struct kvm_sev_info sev_info;
  81 };
  82
  83 struct kvm_vcpu;
  84
  85 struct kvm_vmcb_info {
  86         struct vmcb *ptr;
  87         unsigned long pa;
  88         int cpu;
  89         uint64_t asid_generation;
  90 };
  91
  92 struct svm_nested_state {
  93         struct kvm_vmcb_info vmcb02;
  94         u64 hsave_msr;
  95         u64 vm_cr_msr;
  96         u64 vmcb12_gpa;
  97         u64 last_vmcb12_gpa;
  98
  99         /* These are the merged vectors */
 100         u32 *msrpm;
 101
 102         /* A VMRUN has started but has not yet been performed, so
 103          * we cannot inject a nested vmexit yet.  */
 104         bool nested_run_pending;
 105
 106         /* cache for control fields of the guest */
 107         struct vmcb_control_area ctl;
 108
 109         bool initialized;
 110 };
 111
 112 struct vcpu_svm {
 113         struct kvm_vcpu vcpu;
 114         /* vmcb always points at current_vmcb->ptr, it's purely a shorthand. */
 115         struct vmcb *vmcb;
 116         struct kvm_vmcb_info vmcb01;
 117         struct kvm_vmcb_info *current_vmcb;
 118         struct svm_cpu_data *svm_data;
 119         u32 asid;
 120         u32 sysenter_esp_hi;
 121         u32 sysenter_eip_hi;
 122         uint64_t tsc_aux;
 123
 124         u64 msr_decfg;
 125
 126         u64 next_rip;
 127
 128         u64 spec_ctrl;
 129         /*
 130          * Contains guest-controlled bits of VIRT_SPEC_CTRL, which will be
 131          * translated into the appropriate L2_CFG bits on the host to
 132          * perform speculative control.
 133          */
 134         u64 virt_spec_ctrl;
 135
 136         u32 *msrpm;
 137
 138         ulong nmi_iret_rip;
 139
 140         struct svm_nested_state nested;
 141
 142         bool nmi_singlestep;
 143         u64 nmi_singlestep_guest_rflags;
 144
 145         unsigned int3_injected;
 146         unsigned long int3_rip;
 147
 148         /* cached guest cpuid flags for faster access */
 149         bool nrips_enabled      : 1;
 150
 151         u32 ldr_reg;
 152         u32 dfr_reg;
 153         struct page *avic_backing_page;
 154         u64 *avic_physical_id_cache;
 155         bool avic_is_running;
 156
 157         /*
 158          * Per-vcpu list of struct amd_svm_iommu_ir:
 159          * This is used mainly to store interrupt remapping information used
 160          * when update the vcpu affinity. This avoids the need to scan for
 161          * IRTE and try to match ga_tag in the IOMMU driver.
 162          */
 163         struct list_head ir_list;
 164         spinlock_t ir_list_lock;
 165
 166         /* Save desired MSR intercept (read: pass-through) state */
 167         struct {
 168                 DECLARE_BITMAP(read, MAX_DIRECT_ACCESS_MSRS);
 169                 DECLARE_BITMAP(write, MAX_DIRECT_ACCESS_MSRS);
 170         } shadow_msr_intercept;
 171
 172         /* SEV-ES support */
 173         struct vmcb_save_area *vmsa;
 174         struct ghcb *ghcb;
 175         struct kvm_host_map ghcb_map;
 176         bool received_first_sipi;
 177
 178         /* SEV-ES scratch area support */
 179         void *ghcb_sa;
 180         u64 ghcb_sa_len;
 181         bool ghcb_sa_sync;
 182         bool ghcb_sa_free;
 183
 184         bool guest_state_loaded;
 185 };
 186
 187 struct svm_cpu_data {
 188         int cpu;
 189
 190         u64 asid_generation;
 191         u32 max_asid;
 192         u32 next_asid;
 193         u32 min_asid;
 194         struct kvm_ldttss_desc *tss_desc;
 195
 196         struct page *save_area;
 197         struct vmcb *current_vmcb;
 198
 199         /* index = sev_asid, value = vmcb pointer */
 200         struct vmcb **sev_vmcbs;
 201 };
 202
 203 DECLARE_PER_CPU(struct svm_cpu_data *, svm_data);
 204
 205 void recalc_intercepts(struct vcpu_svm *svm);
 206
 207 static inline struct kvm_svm *to_kvm_svm(struct kvm *kvm)
 208 {
 209         return container_of(kvm, struct kvm_svm, kvm);
 210 }
 211
 212 static inline bool sev_guest(struct kvm *kvm)
 213 {
 214 #ifdef CONFIG_KVM_AMD_SEV
 215         struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
 216
 217         return sev->active;
 218 #else
 219         return false;
 220 #endif
 221 }
 222
 223 static inline bool sev_es_guest(struct kvm *kvm)
 224 {
 225 #ifdef CONFIG_KVM_AMD_SEV
 226         struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
 227
 228         return sev_guest(kvm) && sev->es_active;
 229 #else
 230         return false;
 231 #endif
 232 }
 233
 234 static inline void vmcb_mark_all_dirty(struct vmcb *vmcb)
 235 {
 236         vmcb->control.clean = 0;
 237 }
 238
 239 static inline void vmcb_mark_all_clean(struct vmcb *vmcb)
 240 {
 241         vmcb->control.clean = ((1 << VMCB_DIRTY_MAX) - 1)
 242                                & ~VMCB_ALWAYS_DIRTY_MASK;
 243 }
 244
 245 static inline void vmcb_mark_dirty(struct vmcb *vmcb, int bit)
 246 {
 247         vmcb->control.clean &= ~(1 << bit);
 248 }
 249
 250 static inline bool vmcb_is_dirty(struct vmcb *vmcb, int bit)
 251 {
 252         return !test_bit(bit, (unsigned long *)&vmcb->control.clean);
 253 }
 254
 255 static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
 256 {
 257         return container_of(vcpu, struct vcpu_svm, vcpu);
 258 }
 259
 260 static inline void vmcb_set_intercept(struct vmcb_control_area *control, u32 bit)
 261 {
 262         WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
 263         __set_bit(bit, (unsigned long *)&control->intercepts);
 264 }
 265
 266 static inline void vmcb_clr_intercept(struct vmcb_control_area *control, u32 bit)
 267 {
 268         WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
 269         __clear_bit(bit, (unsigned long *)&control->intercepts);
 270 }
 271
 272 static inline bool vmcb_is_intercept(struct vmcb_control_area *control, u32 bit)
 273 {
 274         WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
 275         return test_bit(bit, (unsigned long *)&control->intercepts);
 276 }
 277
 278 static inline void set_dr_intercepts(struct vcpu_svm *svm)
 279 {
 280         struct vmcb *vmcb = svm->vmcb01.ptr;
 281
 282         if (!sev_es_guest(svm->vcpu.kvm)) {
 283                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
 284                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ);
 285                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ);
 286                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ);
 287                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ);
 288                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ);
 289                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ);
 290                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE);
 291                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE);
 292                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE);
 293                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE);
 294                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE);
 295                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE);
 296                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE);
 297         }
 298
 299         vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
 300         vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
 301
 302         recalc_intercepts(svm);
 303 }
 304
 305 static inline void clr_dr_intercepts(struct vcpu_svm *svm)
 306 {
 307         struct vmcb *vmcb = svm->vmcb01.ptr;
 308
 309         vmcb->control.intercepts[INTERCEPT_DR] = 0;
 310
 311         /* DR7 access must remain intercepted for an SEV-ES guest */
 312         if (sev_es_guest(svm->vcpu.kvm)) {
 313                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
 314                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
 315         }
 316
 317         recalc_intercepts(svm);
 318 }
 319
 320 static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit)
 321 {
 322         struct vmcb *vmcb = svm->vmcb01.ptr;
 323
 324         WARN_ON_ONCE(bit >= 32);
 325         vmcb_set_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
 326
 327         recalc_intercepts(svm);
 328 }
 329
 330 static inline void clr_exception_intercept(struct vcpu_svm *svm, u32 bit)
 331 {
 332         struct vmcb *vmcb = svm->vmcb01.ptr;
 333
 334         WARN_ON_ONCE(bit >= 32);
 335         vmcb_clr_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
 336
 337         recalc_intercepts(svm);
 338 }
 339
 340 static inline void svm_set_intercept(struct vcpu_svm *svm, int bit)
 341 {
 342         struct vmcb *vmcb = svm->vmcb01.ptr;
 343
 344         vmcb_set_intercept(&vmcb->control, bit);
 345
 346         recalc_intercepts(svm);
 347 }
 348
 349 static inline void svm_clr_intercept(struct vcpu_svm *svm, int bit)
 350 {
 351         struct vmcb *vmcb = svm->vmcb01.ptr;
 352
 353         vmcb_clr_intercept(&vmcb->control, bit);
 354
 355         recalc_intercepts(svm);
 356 }
 357
 358 static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit)
 359 {
 360         return vmcb_is_intercept(&svm->vmcb->control, bit);
 361 }
 362
 363 static inline bool vgif_enabled(struct vcpu_svm *svm)
 364 {
 365         return !!(svm->vmcb->control.int_ctl & V_GIF_ENABLE_MASK);
 366 }
 367
 368 static inline void enable_gif(struct vcpu_svm *svm)
 369 {
 370         if (vgif_enabled(svm))
 371                 svm->vmcb->control.int_ctl |= V_GIF_MASK;
 372         else
 373                 svm->vcpu.arch.hflags |= HF_GIF_MASK;
 374 }
 375
 376 static inline void disable_gif(struct vcpu_svm *svm)
 377 {
 378         if (vgif_enabled(svm))
 379                 svm->vmcb->control.int_ctl &= ~V_GIF_MASK;
 380         else
 381                 svm->vcpu.arch.hflags &= ~HF_GIF_MASK;
 382 }
 383
 384 static inline bool gif_set(struct vcpu_svm *svm)
 385 {
 386         if (vgif_enabled(svm))
 387                 return !!(svm->vmcb->control.int_ctl & V_GIF_MASK);
 388         else
 389                 return !!(svm->vcpu.arch.hflags & HF_GIF_MASK);
 390 }
 391
 392 /* svm.c */
 393 #define MSR_INVALID                             0xffffffffU
 394
 395 extern bool dump_invalid_vmcb;
 396
 397 u32 svm_msrpm_offset(u32 msr);
 398 u32 *svm_vcpu_alloc_msrpm(void);
 399 void svm_vcpu_init_msrpm(struct kvm_vcpu *vcpu, u32 *msrpm);
 400 void svm_vcpu_free_msrpm(u32 *msrpm);
 401
 402 int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer);
 403 void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 404 void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
 405 void svm_flush_tlb(struct kvm_vcpu *vcpu);
 406 void disable_nmi_singlestep(struct vcpu_svm *svm);
 407 bool svm_smi_blocked(struct kvm_vcpu *vcpu);
 408 bool svm_nmi_blocked(struct kvm_vcpu *vcpu);
 409 bool svm_interrupt_blocked(struct kvm_vcpu *vcpu);
 410 void svm_set_gif(struct vcpu_svm *svm, bool value);
 411 int svm_invoke_exit_handler(struct kvm_vcpu *vcpu, u64 exit_code);
 412 void set_msr_interception(struct kvm_vcpu *vcpu, u32 *msrpm, u32 msr,
 413                           int read, int write);
 414
 415 /* nested.c */
 416
 417 #define NESTED_EXIT_HOST        0       /* Exit handled on host level */
 418 #define NESTED_EXIT_DONE        1       /* Exit caused nested vmexit  */
 419 #define NESTED_EXIT_CONTINUE    2       /* Further checks needed      */
 420
 421 static inline bool nested_svm_virtualize_tpr(struct kvm_vcpu *vcpu)
 422 {
 423         struct vcpu_svm *svm = to_svm(vcpu);
 424
 425         return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK);
 426 }
 427
 428 static inline bool nested_exit_on_smi(struct vcpu_svm *svm)
 429 {
 430         return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_SMI);
 431 }
 432
 433 static inline bool nested_exit_on_intr(struct vcpu_svm *svm)
 434 {
 435         return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_INTR);
 436 }
 437
 438 static inline bool nested_exit_on_nmi(struct vcpu_svm *svm)
 439 {
 440         return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_NMI);
 441 }
 442
 443 int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb_gpa, struct vmcb *vmcb12);
 444 void svm_leave_nested(struct vcpu_svm *svm);
 445 void svm_free_nested(struct vcpu_svm *svm);
 446 int svm_allocate_nested(struct vcpu_svm *svm);
 447 int nested_svm_vmrun(struct kvm_vcpu *vcpu);
 448 void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb);
 449 int nested_svm_vmexit(struct vcpu_svm *svm);
 450
 451 static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code)
 452 {
 453         svm->vmcb->control.exit_code   = exit_code;
 454         svm->vmcb->control.exit_info_1 = 0;
 455         svm->vmcb->control.exit_info_2 = 0;
 456         return nested_svm_vmexit(svm);
 457 }
 458
 459 int nested_svm_exit_handled(struct vcpu_svm *svm);
 460 int nested_svm_check_permissions(struct kvm_vcpu *vcpu);
 461 int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 462                                bool has_error_code, u32 error_code);
 463 int nested_svm_exit_special(struct vcpu_svm *svm);
 464 void nested_sync_control_from_vmcb02(struct vcpu_svm *svm);
 465 void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm);
 466 void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb);
 467
 468 extern struct kvm_x86_nested_ops svm_nested_ops;
 469
 470 /* avic.c */
 471
 472 #define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK    (0xFF)
 473 #define AVIC_LOGICAL_ID_ENTRY_VALID_BIT                 31
 474 #define AVIC_LOGICAL_ID_ENTRY_VALID_MASK                (1 << 31)
 475
 476 #define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK    (0xFFULL)
 477 #define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK        (0xFFFFFFFFFFULL << 12)
 478 #define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK          (1ULL << 62)
 479 #define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK               (1ULL << 63)
 480
 481 #define VMCB_AVIC_APIC_BAR_MASK         0xFFFFFFFFFF000ULL
 482
 483 extern int avic;
 484
 485 static inline void avic_update_vapic_bar(struct vcpu_svm *svm, u64 data)
 486 {
 487         svm->vmcb->control.avic_vapic_bar = data & VMCB_AVIC_APIC_BAR_MASK;
 488         vmcb_mark_dirty(svm->vmcb, VMCB_AVIC);
 489 }
 490
 491 static inline bool avic_vcpu_is_running(struct kvm_vcpu *vcpu)
 492 {
 493         struct vcpu_svm *svm = to_svm(vcpu);
 494         u64 *entry = svm->avic_physical_id_cache;
 495
 496         if (!entry)
 497                 return false;
 498
 499         return (READ_ONCE(*entry) & AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK);
 500 }
 501
 502 int avic_ga_log_notifier(u32 ga_tag);
 503 void avic_vm_destroy(struct kvm *kvm);
 504 int avic_vm_init(struct kvm *kvm);
 505 void avic_init_vmcb(struct vcpu_svm *svm);
 506 void svm_toggle_avic_for_irq_window(struct kvm_vcpu *vcpu, bool activate);
 507 int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu);
 508 int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu);
 509 int avic_init_vcpu(struct vcpu_svm *svm);
 510 void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
 511 void avic_vcpu_put(struct kvm_vcpu *vcpu);
 512 void avic_post_state_restore(struct kvm_vcpu *vcpu);
 513 void svm_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
 514 void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu);
 515 bool svm_check_apicv_inhibit_reasons(ulong bit);
 516 void svm_pre_update_apicv_exec_ctrl(struct kvm *kvm, bool activate);
 517 void svm_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
 518 void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr);
 519 void svm_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr);
 520 int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec);
 521 bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu);
 522 int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
 523                        uint32_t guest_irq, bool set);
 524 void svm_vcpu_blocking(struct kvm_vcpu *vcpu);
 525 void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);
 526
 527 /* sev.c */
 528
 529 #define GHCB_VERSION_MAX        1ULL
 530 #define GHCB_VERSION_MIN        1ULL
 531
 532
 533 extern unsigned int max_sev_asid;
 534
 535 void sev_vm_destroy(struct kvm *kvm);
 536 int svm_mem_enc_op(struct kvm *kvm, void __user *argp);
 537 int svm_register_enc_region(struct kvm *kvm,
 538                             struct kvm_enc_region *range);
 539 int svm_unregister_enc_region(struct kvm *kvm,
 540                               struct kvm_enc_region *range);
 541 int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd);
 542 void pre_sev_run(struct vcpu_svm *svm, int cpu);
 543 void __init sev_set_cpu_caps(void);
 544 void __init sev_hardware_setup(void);
 545 void sev_hardware_teardown(void);
 546 int sev_cpu_init(struct svm_cpu_data *sd);
 547 void sev_free_vcpu(struct kvm_vcpu *vcpu);
 548 int sev_handle_vmgexit(struct kvm_vcpu *vcpu);
 549 int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in);
 550 void sev_es_init_vmcb(struct vcpu_svm *svm);
 551 void sev_es_create_vcpu(struct vcpu_svm *svm);
 552 void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
 553 void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu);
 554 void sev_es_unmap_ghcb(struct vcpu_svm *svm);
 555
 556 /* vmenter.S */
 557
 558 void __svm_sev_es_vcpu_run(unsigned long vmcb_pa);
 559 void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs);
 560
 561 #endif