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  <[email protected]>
  12  *   Avi Kivity   <[email protected]>
  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 extern bool intercept_smi;
  35
  36 /*
  37  * Clean bits in VMCB.
  38  * VMCB_ALL_CLEAN_MASK might also need to
  39  * be updated if this enum is modified.
  40  */
  41 enum {
  42         VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,
  43                             pause filter count */
  44         VMCB_PERM_MAP,   /* IOPM Base and MSRPM Base */
  45         VMCB_ASID,       /* ASID */
  46         VMCB_INTR,       /* int_ctl, int_vector */
  47         VMCB_NPT,        /* npt_en, nCR3, gPAT */
  48         VMCB_CR,         /* CR0, CR3, CR4, EFER */
  49         VMCB_DR,         /* DR6, DR7 */
  50         VMCB_DT,         /* GDT, IDT */
  51         VMCB_SEG,        /* CS, DS, SS, ES, CPL */
  52         VMCB_CR2,        /* CR2 only */
  53         VMCB_LBR,        /* DBGCTL, BR_FROM, BR_TO, LAST_EX_FROM, LAST_EX_TO */
  54         VMCB_AVIC,       /* AVIC APIC_BAR, AVIC APIC_BACKING_PAGE,
  55                           * AVIC PHYSICAL_TABLE pointer,
  56                           * AVIC LOGICAL_TABLE pointer
  57                           */
  58         VMCB_SW = 31,    /* Reserved for hypervisor/software use */
  59 };
  60
  61 #define VMCB_ALL_CLEAN_MASK (                                   \
  62         (1U << VMCB_INTERCEPTS) | (1U << VMCB_PERM_MAP) |       \
  63         (1U << VMCB_ASID) | (1U << VMCB_INTR) |                 \
  64         (1U << VMCB_NPT) | (1U << VMCB_CR) | (1U << VMCB_DR) |  \
  65         (1U << VMCB_DT) | (1U << VMCB_SEG) | (1U << VMCB_CR2) | \
  66         (1U << VMCB_LBR) | (1U << VMCB_AVIC) |                  \
  67         (1U << VMCB_SW))
  68
  69 /* TPR and CR2 are always written before VMRUN */
  70 #define VMCB_ALWAYS_DIRTY_MASK  ((1U << VMCB_INTR) | (1U << VMCB_CR2))
  71
  72 struct kvm_sev_info {
  73         bool active;            /* SEV enabled guest */
  74         bool es_active;         /* SEV-ES enabled guest */
  75         unsigned int asid;      /* ASID used for this guest */
  76         unsigned int handle;    /* SEV firmware handle */
  77         int fd;                 /* SEV device fd */
  78         unsigned long pages_locked; /* Number of pages locked */
  79         struct list_head regions_list;  /* List of registered regions */
  80         u64 ap_jump_table;      /* SEV-ES AP Jump Table address */
  81         struct kvm *enc_context_owner; /* Owner of copied encryption context */
  82         unsigned long num_mirrored_vms; /* Number of VMs sharing this ASID */
  83         struct misc_cg *misc_cg; /* For misc cgroup accounting */
  84         atomic_t migration_in_progress;
  85 };
  86
  87 struct kvm_svm {
  88         struct kvm kvm;
  89
  90         /* Struct members for AVIC */
  91         u32 avic_vm_id;
  92         struct page *avic_logical_id_table_page;
  93         struct page *avic_physical_id_table_page;
  94         struct hlist_node hnode;
  95
  96         struct kvm_sev_info sev_info;
  97 };
  98
  99 struct kvm_vcpu;
 100
 101 struct kvm_vmcb_info {
 102         struct vmcb *ptr;
 103         unsigned long pa;
 104         int cpu;
 105         uint64_t asid_generation;
 106 };
 107
 108 struct svm_nested_state {
 109         struct kvm_vmcb_info vmcb02;
 110         u64 hsave_msr;
 111         u64 vm_cr_msr;
 112         u64 vmcb12_gpa;
 113         u64 last_vmcb12_gpa;
 114
 115         /* These are the merged vectors */
 116         u32 *msrpm;
 117
 118         /* A VMRUN has started but has not yet been performed, so
 119          * we cannot inject a nested vmexit yet.  */
 120         bool nested_run_pending;
 121
 122         /* cache for control fields of the guest */
 123         struct vmcb_control_area ctl;
 124
 125         bool initialized;
 126 };
 127
 128 struct vcpu_sev_es_state {
 129         /* SEV-ES support */
 130         struct vmcb_save_area *vmsa;
 131         struct ghcb *ghcb;
 132         struct kvm_host_map ghcb_map;
 133         bool received_first_sipi;
 134
 135         /* SEV-ES scratch area support */
 136         void *ghcb_sa;
 137         u32 ghcb_sa_len;
 138         bool ghcb_sa_sync;
 139         bool ghcb_sa_free;
 140 };
 141
 142 struct vcpu_svm {
 143         struct kvm_vcpu vcpu;
 144         /* vmcb always points at current_vmcb->ptr, it's purely a shorthand. */
 145         struct vmcb *vmcb;
 146         struct kvm_vmcb_info vmcb01;
 147         struct kvm_vmcb_info *current_vmcb;
 148         struct svm_cpu_data *svm_data;
 149         u32 asid;
 150         u32 sysenter_esp_hi;
 151         u32 sysenter_eip_hi;
 152         uint64_t tsc_aux;
 153
 154         u64 msr_decfg;
 155
 156         u64 next_rip;
 157
 158         u64 spec_ctrl;
 159
 160         u64 tsc_ratio_msr;
 161         /*
 162          * Contains guest-controlled bits of VIRT_SPEC_CTRL, which will be
 163          * translated into the appropriate L2_CFG bits on the host to
 164          * perform speculative control.
 165          */
 166         u64 virt_spec_ctrl;
 167
 168         u32 *msrpm;
 169
 170         ulong nmi_iret_rip;
 171
 172         struct svm_nested_state nested;
 173
 174         bool nmi_singlestep;
 175         u64 nmi_singlestep_guest_rflags;
 176
 177         unsigned int3_injected;
 178         unsigned long int3_rip;
 179
 180         /* cached guest cpuid flags for faster access */
 181         bool nrips_enabled                : 1;
 182         bool tsc_scaling_enabled          : 1;
 183
 184         u32 ldr_reg;
 185         u32 dfr_reg;
 186         struct page *avic_backing_page;
 187         u64 *avic_physical_id_cache;
 188         bool avic_is_running;
 189
 190         /*
 191          * Per-vcpu list of struct amd_svm_iommu_ir:
 192          * This is used mainly to store interrupt remapping information used
 193          * when update the vcpu affinity. This avoids the need to scan for
 194          * IRTE and try to match ga_tag in the IOMMU driver.
 195          */
 196         struct list_head ir_list;
 197         spinlock_t ir_list_lock;
 198
 199         /* Save desired MSR intercept (read: pass-through) state */
 200         struct {
 201                 DECLARE_BITMAP(read, MAX_DIRECT_ACCESS_MSRS);
 202                 DECLARE_BITMAP(write, MAX_DIRECT_ACCESS_MSRS);
 203         } shadow_msr_intercept;
 204
 205         struct vcpu_sev_es_state sev_es;
 206
 207         bool guest_state_loaded;
 208 };
 209
 210 struct svm_cpu_data {
 211         int cpu;
 212
 213         u64 asid_generation;
 214         u32 max_asid;
 215         u32 next_asid;
 216         u32 min_asid;
 217         struct kvm_ldttss_desc *tss_desc;
 218
 219         struct page *save_area;
 220         struct vmcb *current_vmcb;
 221
 222         /* index = sev_asid, value = vmcb pointer */
 223         struct vmcb **sev_vmcbs;
 224 };
 225
 226 DECLARE_PER_CPU(struct svm_cpu_data *, svm_data);
 227
 228 void recalc_intercepts(struct vcpu_svm *svm);
 229
 230 static __always_inline struct kvm_svm *to_kvm_svm(struct kvm *kvm)
 231 {
 232         return container_of(kvm, struct kvm_svm, kvm);
 233 }
 234
 235 static __always_inline bool sev_guest(struct kvm *kvm)
 236 {
 237 #ifdef CONFIG_KVM_AMD_SEV
 238         struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
 239
 240         return sev->active;
 241 #else
 242         return false;
 243 #endif
 244 }
 245
 246 static __always_inline bool sev_es_guest(struct kvm *kvm)
 247 {
 248 #ifdef CONFIG_KVM_AMD_SEV
 249         struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;
 250
 251         return sev->es_active && !WARN_ON_ONCE(!sev->active);
 252 #else
 253         return false;
 254 #endif
 255 }
 256
 257 static inline void vmcb_mark_all_dirty(struct vmcb *vmcb)
 258 {
 259         vmcb->control.clean = 0;
 260 }
 261
 262 static inline void vmcb_mark_all_clean(struct vmcb *vmcb)
 263 {
 264         vmcb->control.clean = VMCB_ALL_CLEAN_MASK
 265                                & ~VMCB_ALWAYS_DIRTY_MASK;
 266 }
 267
 268 static inline bool vmcb_is_clean(struct vmcb *vmcb, int bit)
 269 {
 270         return (vmcb->control.clean & (1 << bit));
 271 }
 272
 273 static inline void vmcb_mark_dirty(struct vmcb *vmcb, int bit)
 274 {
 275         vmcb->control.clean &= ~(1 << bit);
 276 }
 277
 278 static inline bool vmcb_is_dirty(struct vmcb *vmcb, int bit)
 279 {
 280         return !test_bit(bit, (unsigned long *)&vmcb->control.clean);
 281 }
 282
 283 static __always_inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
 284 {
 285         return container_of(vcpu, struct vcpu_svm, vcpu);
 286 }
 287
 288 static inline void vmcb_set_intercept(struct vmcb_control_area *control, u32 bit)
 289 {
 290         WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
 291         __set_bit(bit, (unsigned long *)&control->intercepts);
 292 }
 293
 294 static inline void vmcb_clr_intercept(struct vmcb_control_area *control, u32 bit)
 295 {
 296         WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
 297         __clear_bit(bit, (unsigned long *)&control->intercepts);
 298 }
 299
 300 static inline bool vmcb_is_intercept(struct vmcb_control_area *control, u32 bit)
 301 {
 302         WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT);
 303         return test_bit(bit, (unsigned long *)&control->intercepts);
 304 }
 305
 306 static inline void set_dr_intercepts(struct vcpu_svm *svm)
 307 {
 308         struct vmcb *vmcb = svm->vmcb01.ptr;
 309
 310         if (!sev_es_guest(svm->vcpu.kvm)) {
 311                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
 312                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ);
 313                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ);
 314                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ);
 315                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ);
 316                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ);
 317                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ);
 318                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE);
 319                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE);
 320                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE);
 321                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE);
 322                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE);
 323                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE);
 324                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE);
 325         }
 326
 327         vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
 328         vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
 329
 330         recalc_intercepts(svm);
 331 }
 332
 333 static inline void clr_dr_intercepts(struct vcpu_svm *svm)
 334 {
 335         struct vmcb *vmcb = svm->vmcb01.ptr;
 336
 337         vmcb->control.intercepts[INTERCEPT_DR] = 0;
 338
 339         /* DR7 access must remain intercepted for an SEV-ES guest */
 340         if (sev_es_guest(svm->vcpu.kvm)) {
 341                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
 342                 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
 343         }
 344
 345         recalc_intercepts(svm);
 346 }
 347
 348 static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit)
 349 {
 350         struct vmcb *vmcb = svm->vmcb01.ptr;
 351
 352         WARN_ON_ONCE(bit >= 32);
 353         vmcb_set_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
 354
 355         recalc_intercepts(svm);
 356 }
 357
 358 static inline void clr_exception_intercept(struct vcpu_svm *svm, u32 bit)
 359 {
 360         struct vmcb *vmcb = svm->vmcb01.ptr;
 361
 362         WARN_ON_ONCE(bit >= 32);
 363         vmcb_clr_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit);
 364
 365         recalc_intercepts(svm);
 366 }
 367
 368 static inline void svm_set_intercept(struct vcpu_svm *svm, int bit)
 369 {
 370         struct vmcb *vmcb = svm->vmcb01.ptr;
 371
 372         vmcb_set_intercept(&vmcb->control, bit);
 373
 374         recalc_intercepts(svm);
 375 }
 376
 377 static inline void svm_clr_intercept(struct vcpu_svm *svm, int bit)
 378 {
 379         struct vmcb *vmcb = svm->vmcb01.ptr;
 380
 381         vmcb_clr_intercept(&vmcb->control, bit);
 382
 383         recalc_intercepts(svm);
 384 }
 385
 386 static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit)
 387 {
 388         return vmcb_is_intercept(&svm->vmcb->control, bit);
 389 }
 390
 391 static inline bool vgif_enabled(struct vcpu_svm *svm)
 392 {
 393         return !!(svm->vmcb->control.int_ctl & V_GIF_ENABLE_MASK);
 394 }
 395
 396 static inline void enable_gif(struct vcpu_svm *svm)
 397 {
 398         if (vgif_enabled(svm))
 399                 svm->vmcb->control.int_ctl |= V_GIF_MASK;
 400         else
 401                 svm->vcpu.arch.hflags |= HF_GIF_MASK;
 402 }
 403
 404 static inline void disable_gif(struct vcpu_svm *svm)
 405 {
 406         if (vgif_enabled(svm))
 407                 svm->vmcb->control.int_ctl &= ~V_GIF_MASK;
 408         else
 409                 svm->vcpu.arch.hflags &= ~HF_GIF_MASK;
 410 }
 411
 412 static inline bool gif_set(struct vcpu_svm *svm)
 413 {
 414         if (vgif_enabled(svm))
 415                 return !!(svm->vmcb->control.int_ctl & V_GIF_MASK);
 416         else
 417                 return !!(svm->vcpu.arch.hflags & HF_GIF_MASK);
 418 }
 419
 420 /* svm.c */
 421 #define MSR_INVALID                             0xffffffffU
 422
 423 extern bool dump_invalid_vmcb;
 424
 425 u32 svm_msrpm_offset(u32 msr);
 426 u32 *svm_vcpu_alloc_msrpm(void);
 427 void svm_vcpu_init_msrpm(struct kvm_vcpu *vcpu, u32 *msrpm);
 428 void svm_vcpu_free_msrpm(u32 *msrpm);
 429
 430 int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer);
 431 void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 432 void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
 433 void svm_flush_tlb(struct kvm_vcpu *vcpu);
 434 void disable_nmi_singlestep(struct vcpu_svm *svm);
 435 bool svm_smi_blocked(struct kvm_vcpu *vcpu);
 436 bool svm_nmi_blocked(struct kvm_vcpu *vcpu);
 437 bool svm_interrupt_blocked(struct kvm_vcpu *vcpu);
 438 void svm_set_gif(struct vcpu_svm *svm, bool value);
 439 int svm_invoke_exit_handler(struct kvm_vcpu *vcpu, u64 exit_code);
 440 void set_msr_interception(struct kvm_vcpu *vcpu, u32 *msrpm, u32 msr,
 441                           int read, int write);
 442
 443 /* nested.c */
 444
 445 #define NESTED_EXIT_HOST        0       /* Exit handled on host level */
 446 #define NESTED_EXIT_DONE        1       /* Exit caused nested vmexit  */
 447 #define NESTED_EXIT_CONTINUE    2       /* Further checks needed      */
 448
 449 static inline bool nested_svm_virtualize_tpr(struct kvm_vcpu *vcpu)
 450 {
 451         struct vcpu_svm *svm = to_svm(vcpu);
 452
 453         return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK);
 454 }
 455
 456 static inline bool nested_exit_on_smi(struct vcpu_svm *svm)
 457 {
 458         return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_SMI);
 459 }
 460
 461 static inline bool nested_exit_on_intr(struct vcpu_svm *svm)
 462 {
 463         return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_INTR);
 464 }
 465
 466 static inline bool nested_exit_on_nmi(struct vcpu_svm *svm)
 467 {
 468         return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_NMI);
 469 }
 470
 471 int enter_svm_guest_mode(struct kvm_vcpu *vcpu,
 472                          u64 vmcb_gpa, struct vmcb *vmcb12, bool from_vmrun);
 473 void svm_leave_nested(struct vcpu_svm *svm);
 474 void svm_free_nested(struct vcpu_svm *svm);
 475 int svm_allocate_nested(struct vcpu_svm *svm);
 476 int nested_svm_vmrun(struct kvm_vcpu *vcpu);
 477 void svm_copy_vmrun_state(struct vmcb_save_area *to_save,
 478                           struct vmcb_save_area *from_save);
 479 void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb);
 480 int nested_svm_vmexit(struct vcpu_svm *svm);
 481
 482 static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code)
 483 {
 484         svm->vmcb->control.exit_code   = exit_code;
 485         svm->vmcb->control.exit_info_1 = 0;
 486         svm->vmcb->control.exit_info_2 = 0;
 487         return nested_svm_vmexit(svm);
 488 }
 489
 490 int nested_svm_exit_handled(struct vcpu_svm *svm);
 491 int nested_svm_check_permissions(struct kvm_vcpu *vcpu);
 492 int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 493                                bool has_error_code, u32 error_code);
 494 int nested_svm_exit_special(struct vcpu_svm *svm);
 495 void nested_svm_update_tsc_ratio_msr(struct kvm_vcpu *vcpu);
 496 void svm_write_tsc_multiplier(struct kvm_vcpu *vcpu, u64 multiplier);
 497 void nested_load_control_from_vmcb12(struct vcpu_svm *svm,
 498                                      struct vmcb_control_area *control);
 499 void nested_sync_control_from_vmcb02(struct vcpu_svm *svm);
 500 void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm);
 501 void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb);
 502
 503 extern struct kvm_x86_nested_ops svm_nested_ops;
 504
 505 /* avic.c */
 506
 507 #define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK    (0xFF)
 508 #define AVIC_LOGICAL_ID_ENTRY_VALID_BIT                 31
 509 #define AVIC_LOGICAL_ID_ENTRY_VALID_MASK                (1 << 31)
 510
 511 #define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK    (0xFFULL)
 512 #define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK        (0xFFFFFFFFFFULL << 12)
 513 #define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK          (1ULL << 62)
 514 #define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK               (1ULL << 63)
 515
 516 #define VMCB_AVIC_APIC_BAR_MASK         0xFFFFFFFFFF000ULL
 517
 518 static inline bool avic_vcpu_is_running(struct kvm_vcpu *vcpu)
 519 {
 520         struct vcpu_svm *svm = to_svm(vcpu);
 521         u64 *entry = svm->avic_physical_id_cache;
 522
 523         if (!entry)
 524                 return false;
 525
 526         return (READ_ONCE(*entry) & AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK);
 527 }
 528
 529 int avic_ga_log_notifier(u32 ga_tag);
 530 void avic_vm_destroy(struct kvm *kvm);
 531 int avic_vm_init(struct kvm *kvm);
 532 void avic_init_vmcb(struct vcpu_svm *svm);
 533 int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu);
 534 int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu);
 535 int avic_init_vcpu(struct vcpu_svm *svm);
 536 void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
 537 void avic_vcpu_put(struct kvm_vcpu *vcpu);
 538 void avic_post_state_restore(struct kvm_vcpu *vcpu);
 539 void svm_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
 540 void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu);
 541 bool svm_check_apicv_inhibit_reasons(ulong bit);
 542 void svm_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
 543 void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr);
 544 void svm_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr);
 545 int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec);
 546 bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu);
 547 int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
 548                        uint32_t guest_irq, bool set);
 549 void svm_vcpu_blocking(struct kvm_vcpu *vcpu);
 550 void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);
 551
 552 /* sev.c */
 553
 554 #define GHCB_VERSION_MAX        1ULL
 555 #define GHCB_VERSION_MIN        1ULL
 556
 557
 558 extern unsigned int max_sev_asid;
 559
 560 void sev_vm_destroy(struct kvm *kvm);
 561 int svm_mem_enc_op(struct kvm *kvm, void __user *argp);
 562 int svm_register_enc_region(struct kvm *kvm,
 563                             struct kvm_enc_region *range);
 564 int svm_unregister_enc_region(struct kvm *kvm,
 565                               struct kvm_enc_region *range);
 566 int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd);
 567 int svm_vm_migrate_from(struct kvm *kvm, unsigned int source_fd);
 568 void pre_sev_run(struct vcpu_svm *svm, int cpu);
 569 void __init sev_set_cpu_caps(void);
 570 void __init sev_hardware_setup(void);
 571 void sev_hardware_teardown(void);
 572 int sev_cpu_init(struct svm_cpu_data *sd);
 573 void sev_free_vcpu(struct kvm_vcpu *vcpu);
 574 int sev_handle_vmgexit(struct kvm_vcpu *vcpu);
 575 int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in);
 576 void sev_es_init_vmcb(struct vcpu_svm *svm);
 577 void sev_es_vcpu_reset(struct vcpu_svm *svm);
 578 void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
 579 void sev_es_prepare_guest_switch(struct vcpu_svm *svm, unsigned int cpu);
 580 void sev_es_unmap_ghcb(struct vcpu_svm *svm);
 581
 582 /* vmenter.S */
 583
 584 void __svm_sev_es_vcpu_run(unsigned long vmcb_pa);
 585 void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs);
 586
 587 #endif