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 #include "kvm_cache_regs.h" 26 27 #define __sme_page_pa(x) __sme_set(page_to_pfn(x) << PAGE_SHIFT) 28 29 #define IOPM_SIZE PAGE_SIZE * 3 30 #define MSRPM_SIZE PAGE_SIZE * 2 31 32 #define MAX_DIRECT_ACCESS_MSRS 21 33 #define MSRPM_OFFSETS 16 34 extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly; 35 extern bool npt_enabled; 36 extern int vgif; 37 extern bool intercept_smi; 38 39 /* 40 * Clean bits in VMCB. 41 * VMCB_ALL_CLEAN_MASK might also need to 42 * be updated if this enum is modified. 43 */ 44 enum { 45 VMCB_INTERCEPTS, /* Intercept vectors, TSC offset, 46 pause filter count */ 47 VMCB_PERM_MAP, /* IOPM Base and MSRPM Base */ 48 VMCB_ASID, /* ASID */ 49 VMCB_INTR, /* int_ctl, int_vector */ 50 VMCB_NPT, /* npt_en, nCR3, gPAT */ 51 VMCB_CR, /* CR0, CR3, CR4, EFER */ 52 VMCB_DR, /* DR6, DR7 */ 53 VMCB_DT, /* GDT, IDT */ 54 VMCB_SEG, /* CS, DS, SS, ES, CPL */ 55 VMCB_CR2, /* CR2 only */ 56 VMCB_LBR, /* DBGCTL, BR_FROM, BR_TO, LAST_EX_FROM, LAST_EX_TO */ 57 VMCB_AVIC, /* AVIC APIC_BAR, AVIC APIC_BACKING_PAGE, 58 * AVIC PHYSICAL_TABLE pointer, 59 * AVIC LOGICAL_TABLE pointer 60 */ 61 VMCB_SW = 31, /* Reserved for hypervisor/software use */ 62 }; 63 64 #define VMCB_ALL_CLEAN_MASK ( \ 65 (1U << VMCB_INTERCEPTS) | (1U << VMCB_PERM_MAP) | \ 66 (1U << VMCB_ASID) | (1U << VMCB_INTR) | \ 67 (1U << VMCB_NPT) | (1U << VMCB_CR) | (1U << VMCB_DR) | \ 68 (1U << VMCB_DT) | (1U << VMCB_SEG) | (1U << VMCB_CR2) | \ 69 (1U << VMCB_LBR) | (1U << VMCB_AVIC) | \ 70 (1U << VMCB_SW)) 71 72 /* TPR and CR2 are always written before VMRUN */ 73 #define VMCB_ALWAYS_DIRTY_MASK ((1U << VMCB_INTR) | (1U << VMCB_CR2)) 74 75 struct kvm_sev_info { 76 bool active; /* SEV enabled guest */ 77 bool es_active; /* SEV-ES enabled guest */ 78 unsigned int asid; /* ASID used for this guest */ 79 unsigned int handle; /* SEV firmware handle */ 80 int fd; /* SEV device fd */ 81 unsigned long pages_locked; /* Number of pages locked */ 82 struct list_head regions_list; /* List of registered regions */ 83 u64 ap_jump_table; /* SEV-ES AP Jump Table address */ 84 struct kvm *enc_context_owner; /* Owner of copied encryption context */ 85 struct list_head mirror_vms; /* List of VMs mirroring */ 86 struct list_head mirror_entry; /* Use as a list entry of mirrors */ 87 struct misc_cg *misc_cg; /* For misc cgroup accounting */ 88 atomic_t migration_in_progress; 89 }; 90 91 struct kvm_svm { 92 struct kvm kvm; 93 94 /* Struct members for AVIC */ 95 u32 avic_vm_id; 96 struct page *avic_logical_id_table_page; 97 struct page *avic_physical_id_table_page; 98 struct hlist_node hnode; 99 100 struct kvm_sev_info sev_info; 101 }; 102 103 struct kvm_vcpu; 104 105 struct kvm_vmcb_info { 106 struct vmcb *ptr; 107 unsigned long pa; 108 int cpu; 109 uint64_t asid_generation; 110 }; 111 112 struct vmcb_save_area_cached { 113 u64 efer; 114 u64 cr4; 115 u64 cr3; 116 u64 cr0; 117 u64 dr7; 118 u64 dr6; 119 }; 120 121 struct vmcb_ctrl_area_cached { 122 u32 intercepts[MAX_INTERCEPT]; 123 u16 pause_filter_thresh; 124 u16 pause_filter_count; 125 u64 iopm_base_pa; 126 u64 msrpm_base_pa; 127 u64 tsc_offset; 128 u32 asid; 129 u8 tlb_ctl; 130 u32 int_ctl; 131 u32 int_vector; 132 u32 int_state; 133 u32 exit_code; 134 u32 exit_code_hi; 135 u64 exit_info_1; 136 u64 exit_info_2; 137 u32 exit_int_info; 138 u32 exit_int_info_err; 139 u64 nested_ctl; 140 u32 event_inj; 141 u32 event_inj_err; 142 u64 nested_cr3; 143 u64 virt_ext; 144 u32 clean; 145 u8 reserved_sw[32]; 146 }; 147 148 struct svm_nested_state { 149 struct kvm_vmcb_info vmcb02; 150 u64 hsave_msr; 151 u64 vm_cr_msr; 152 u64 vmcb12_gpa; 153 u64 last_vmcb12_gpa; 154 155 /* These are the merged vectors */ 156 u32 *msrpm; 157 158 /* A VMRUN has started but has not yet been performed, so 159 * we cannot inject a nested vmexit yet. */ 160 bool nested_run_pending; 161 162 /* cache for control fields of the guest */ 163 struct vmcb_ctrl_area_cached ctl; 164 165 /* 166 * Note: this struct is not kept up-to-date while L2 runs; it is only 167 * valid within nested_svm_vmrun. 168 */ 169 struct vmcb_save_area_cached save; 170 171 bool initialized; 172 173 /* 174 * Indicates whether MSR bitmap for L2 needs to be rebuilt due to 175 * changes in MSR bitmap for L1 or switching to a different L2. Note, 176 * this flag can only be used reliably in conjunction with a paravirt L1 177 * which informs L0 whether any changes to MSR bitmap for L2 were done 178 * on its side. 179 */ 180 bool force_msr_bitmap_recalc; 181 }; 182 183 struct vcpu_sev_es_state { 184 /* SEV-ES support */ 185 struct sev_es_save_area *vmsa; 186 struct ghcb *ghcb; 187 struct kvm_host_map ghcb_map; 188 bool received_first_sipi; 189 190 /* SEV-ES scratch area support */ 191 void *ghcb_sa; 192 u32 ghcb_sa_len; 193 bool ghcb_sa_sync; 194 bool ghcb_sa_free; 195 }; 196 197 struct vcpu_svm { 198 struct kvm_vcpu vcpu; 199 /* vmcb always points at current_vmcb->ptr, it's purely a shorthand. */ 200 struct vmcb *vmcb; 201 struct kvm_vmcb_info vmcb01; 202 struct kvm_vmcb_info *current_vmcb; 203 struct svm_cpu_data *svm_data; 204 u32 asid; 205 u32 sysenter_esp_hi; 206 u32 sysenter_eip_hi; 207 uint64_t tsc_aux; 208 209 u64 msr_decfg; 210 211 u64 next_rip; 212 213 u64 spec_ctrl; 214 215 u64 tsc_ratio_msr; 216 /* 217 * Contains guest-controlled bits of VIRT_SPEC_CTRL, which will be 218 * translated into the appropriate L2_CFG bits on the host to 219 * perform speculative control. 220 */ 221 u64 virt_spec_ctrl; 222 223 u32 *msrpm; 224 225 ulong nmi_iret_rip; 226 227 struct svm_nested_state nested; 228 229 bool nmi_singlestep; 230 u64 nmi_singlestep_guest_rflags; 231 232 unsigned int3_injected; 233 unsigned long int3_rip; 234 235 /* optional nested SVM features that are enabled for this guest */ 236 bool nrips_enabled : 1; 237 bool tsc_scaling_enabled : 1; 238 bool v_vmload_vmsave_enabled : 1; 239 bool lbrv_enabled : 1; 240 bool pause_filter_enabled : 1; 241 bool pause_threshold_enabled : 1; 242 bool vgif_enabled : 1; 243 244 u32 ldr_reg; 245 u32 dfr_reg; 246 struct page *avic_backing_page; 247 u64 *avic_physical_id_cache; 248 249 /* 250 * Per-vcpu list of struct amd_svm_iommu_ir: 251 * This is used mainly to store interrupt remapping information used 252 * when update the vcpu affinity. This avoids the need to scan for 253 * IRTE and try to match ga_tag in the IOMMU driver. 254 */ 255 struct list_head ir_list; 256 spinlock_t ir_list_lock; 257 258 /* Save desired MSR intercept (read: pass-through) state */ 259 struct { 260 DECLARE_BITMAP(read, MAX_DIRECT_ACCESS_MSRS); 261 DECLARE_BITMAP(write, MAX_DIRECT_ACCESS_MSRS); 262 } shadow_msr_intercept; 263 264 struct vcpu_sev_es_state sev_es; 265 266 bool guest_state_loaded; 267 }; 268 269 struct svm_cpu_data { 270 int cpu; 271 272 u64 asid_generation; 273 u32 max_asid; 274 u32 next_asid; 275 u32 min_asid; 276 struct kvm_ldttss_desc *tss_desc; 277 278 struct page *save_area; 279 struct vmcb *current_vmcb; 280 281 /* index = sev_asid, value = vmcb pointer */ 282 struct vmcb **sev_vmcbs; 283 }; 284 285 DECLARE_PER_CPU(struct svm_cpu_data *, svm_data); 286 287 void recalc_intercepts(struct vcpu_svm *svm); 288 289 static __always_inline struct kvm_svm *to_kvm_svm(struct kvm *kvm) 290 { 291 return container_of(kvm, struct kvm_svm, kvm); 292 } 293 294 static __always_inline bool sev_guest(struct kvm *kvm) 295 { 296 #ifdef CONFIG_KVM_AMD_SEV 297 struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info; 298 299 return sev->active; 300 #else 301 return false; 302 #endif 303 } 304 305 static __always_inline bool sev_es_guest(struct kvm *kvm) 306 { 307 #ifdef CONFIG_KVM_AMD_SEV 308 struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info; 309 310 return sev->es_active && !WARN_ON_ONCE(!sev->active); 311 #else 312 return false; 313 #endif 314 } 315 316 static inline void vmcb_mark_all_dirty(struct vmcb *vmcb) 317 { 318 vmcb->control.clean = 0; 319 } 320 321 static inline void vmcb_mark_all_clean(struct vmcb *vmcb) 322 { 323 vmcb->control.clean = VMCB_ALL_CLEAN_MASK 324 & ~VMCB_ALWAYS_DIRTY_MASK; 325 } 326 327 static inline void vmcb_mark_dirty(struct vmcb *vmcb, int bit) 328 { 329 vmcb->control.clean &= ~(1 << bit); 330 } 331 332 static inline bool vmcb_is_dirty(struct vmcb *vmcb, int bit) 333 { 334 return !test_bit(bit, (unsigned long *)&vmcb->control.clean); 335 } 336 337 static __always_inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu) 338 { 339 return container_of(vcpu, struct vcpu_svm, vcpu); 340 } 341 342 /* 343 * Only the PDPTRs are loaded on demand into the shadow MMU. All other 344 * fields are synchronized on VM-Exit, because accessing the VMCB is cheap. 345 * 346 * CR3 might be out of date in the VMCB but it is not marked dirty; instead, 347 * KVM_REQ_LOAD_MMU_PGD is always requested when the cached vcpu->arch.cr3 348 * is changed. svm_load_mmu_pgd() then syncs the new CR3 value into the VMCB. 349 */ 350 #define SVM_REGS_LAZY_LOAD_SET (1 << VCPU_EXREG_PDPTR) 351 352 static inline void vmcb_set_intercept(struct vmcb_control_area *control, u32 bit) 353 { 354 WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); 355 __set_bit(bit, (unsigned long *)&control->intercepts); 356 } 357 358 static inline void vmcb_clr_intercept(struct vmcb_control_area *control, u32 bit) 359 { 360 WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); 361 __clear_bit(bit, (unsigned long *)&control->intercepts); 362 } 363 364 static inline bool vmcb_is_intercept(struct vmcb_control_area *control, u32 bit) 365 { 366 WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); 367 return test_bit(bit, (unsigned long *)&control->intercepts); 368 } 369 370 static inline bool vmcb12_is_intercept(struct vmcb_ctrl_area_cached *control, u32 bit) 371 { 372 WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); 373 return test_bit(bit, (unsigned long *)&control->intercepts); 374 } 375 376 static inline void set_dr_intercepts(struct vcpu_svm *svm) 377 { 378 struct vmcb *vmcb = svm->vmcb01.ptr; 379 380 if (!sev_es_guest(svm->vcpu.kvm)) { 381 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ); 382 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ); 383 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ); 384 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ); 385 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ); 386 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ); 387 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ); 388 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE); 389 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE); 390 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE); 391 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE); 392 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE); 393 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE); 394 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE); 395 } 396 397 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ); 398 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE); 399 400 recalc_intercepts(svm); 401 } 402 403 static inline void clr_dr_intercepts(struct vcpu_svm *svm) 404 { 405 struct vmcb *vmcb = svm->vmcb01.ptr; 406 407 vmcb->control.intercepts[INTERCEPT_DR] = 0; 408 409 /* DR7 access must remain intercepted for an SEV-ES guest */ 410 if (sev_es_guest(svm->vcpu.kvm)) { 411 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ); 412 vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE); 413 } 414 415 recalc_intercepts(svm); 416 } 417 418 static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit) 419 { 420 struct vmcb *vmcb = svm->vmcb01.ptr; 421 422 WARN_ON_ONCE(bit >= 32); 423 vmcb_set_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit); 424 425 recalc_intercepts(svm); 426 } 427 428 static inline void clr_exception_intercept(struct vcpu_svm *svm, u32 bit) 429 { 430 struct vmcb *vmcb = svm->vmcb01.ptr; 431 432 WARN_ON_ONCE(bit >= 32); 433 vmcb_clr_intercept(&vmcb->control, INTERCEPT_EXCEPTION_OFFSET + bit); 434 435 recalc_intercepts(svm); 436 } 437 438 static inline void svm_set_intercept(struct vcpu_svm *svm, int bit) 439 { 440 struct vmcb *vmcb = svm->vmcb01.ptr; 441 442 vmcb_set_intercept(&vmcb->control, bit); 443 444 recalc_intercepts(svm); 445 } 446 447 static inline void svm_clr_intercept(struct vcpu_svm *svm, int bit) 448 { 449 struct vmcb *vmcb = svm->vmcb01.ptr; 450 451 vmcb_clr_intercept(&vmcb->control, bit); 452 453 recalc_intercepts(svm); 454 } 455 456 static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit) 457 { 458 return vmcb_is_intercept(&svm->vmcb->control, bit); 459 } 460 461 static inline bool nested_vgif_enabled(struct vcpu_svm *svm) 462 { 463 return svm->vgif_enabled && (svm->nested.ctl.int_ctl & V_GIF_ENABLE_MASK); 464 } 465 466 static inline struct vmcb *get_vgif_vmcb(struct vcpu_svm *svm) 467 { 468 if (!vgif) 469 return NULL; 470 471 if (is_guest_mode(&svm->vcpu) && !nested_vgif_enabled(svm)) 472 return svm->nested.vmcb02.ptr; 473 else 474 return svm->vmcb01.ptr; 475 } 476 477 static inline void enable_gif(struct vcpu_svm *svm) 478 { 479 struct vmcb *vmcb = get_vgif_vmcb(svm); 480 481 if (vmcb) 482 vmcb->control.int_ctl |= V_GIF_MASK; 483 else 484 svm->vcpu.arch.hflags |= HF_GIF_MASK; 485 } 486 487 static inline void disable_gif(struct vcpu_svm *svm) 488 { 489 struct vmcb *vmcb = get_vgif_vmcb(svm); 490 491 if (vmcb) 492 vmcb->control.int_ctl &= ~V_GIF_MASK; 493 else 494 svm->vcpu.arch.hflags &= ~HF_GIF_MASK; 495 } 496 497 static inline bool gif_set(struct vcpu_svm *svm) 498 { 499 struct vmcb *vmcb = get_vgif_vmcb(svm); 500 501 if (vmcb) 502 return !!(vmcb->control.int_ctl & V_GIF_MASK); 503 else 504 return !!(svm->vcpu.arch.hflags & HF_GIF_MASK); 505 } 506 507 static inline bool nested_npt_enabled(struct vcpu_svm *svm) 508 { 509 return svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; 510 } 511 512 /* svm.c */ 513 #define MSR_INVALID 0xffffffffU 514 515 #define DEBUGCTL_RESERVED_BITS (~(0x3fULL)) 516 517 extern bool dump_invalid_vmcb; 518 519 u32 svm_msrpm_offset(u32 msr); 520 u32 *svm_vcpu_alloc_msrpm(void); 521 void svm_vcpu_init_msrpm(struct kvm_vcpu *vcpu, u32 *msrpm); 522 void svm_vcpu_free_msrpm(u32 *msrpm); 523 void svm_copy_lbrs(struct vmcb *to_vmcb, struct vmcb *from_vmcb); 524 void svm_update_lbrv(struct kvm_vcpu *vcpu); 525 526 int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer); 527 void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); 528 void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4); 529 void disable_nmi_singlestep(struct vcpu_svm *svm); 530 bool svm_smi_blocked(struct kvm_vcpu *vcpu); 531 bool svm_nmi_blocked(struct kvm_vcpu *vcpu); 532 bool svm_interrupt_blocked(struct kvm_vcpu *vcpu); 533 void svm_set_gif(struct vcpu_svm *svm, bool value); 534 int svm_invoke_exit_handler(struct kvm_vcpu *vcpu, u64 exit_code); 535 void set_msr_interception(struct kvm_vcpu *vcpu, u32 *msrpm, u32 msr, 536 int read, int write); 537 void svm_complete_interrupt_delivery(struct kvm_vcpu *vcpu, int delivery_mode, 538 int trig_mode, int vec); 539 540 /* nested.c */ 541 542 #define NESTED_EXIT_HOST 0 /* Exit handled on host level */ 543 #define NESTED_EXIT_DONE 1 /* Exit caused nested vmexit */ 544 #define NESTED_EXIT_CONTINUE 2 /* Further checks needed */ 545 546 static inline bool nested_svm_virtualize_tpr(struct kvm_vcpu *vcpu) 547 { 548 struct vcpu_svm *svm = to_svm(vcpu); 549 550 return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK); 551 } 552 553 static inline bool nested_exit_on_smi(struct vcpu_svm *svm) 554 { 555 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_SMI); 556 } 557 558 static inline bool nested_exit_on_intr(struct vcpu_svm *svm) 559 { 560 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_INTR); 561 } 562 563 static inline bool nested_exit_on_nmi(struct vcpu_svm *svm) 564 { 565 return vmcb12_is_intercept(&svm->nested.ctl, INTERCEPT_NMI); 566 } 567 568 int enter_svm_guest_mode(struct kvm_vcpu *vcpu, 569 u64 vmcb_gpa, struct vmcb *vmcb12, bool from_vmrun); 570 void svm_leave_nested(struct kvm_vcpu *vcpu); 571 void svm_free_nested(struct vcpu_svm *svm); 572 int svm_allocate_nested(struct vcpu_svm *svm); 573 int nested_svm_vmrun(struct kvm_vcpu *vcpu); 574 void svm_copy_vmrun_state(struct vmcb_save_area *to_save, 575 struct vmcb_save_area *from_save); 576 void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb); 577 int nested_svm_vmexit(struct vcpu_svm *svm); 578 579 static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code) 580 { 581 svm->vmcb->control.exit_code = exit_code; 582 svm->vmcb->control.exit_info_1 = 0; 583 svm->vmcb->control.exit_info_2 = 0; 584 return nested_svm_vmexit(svm); 585 } 586 587 int nested_svm_exit_handled(struct vcpu_svm *svm); 588 int nested_svm_check_permissions(struct kvm_vcpu *vcpu); 589 int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr, 590 bool has_error_code, u32 error_code); 591 int nested_svm_exit_special(struct vcpu_svm *svm); 592 void nested_svm_update_tsc_ratio_msr(struct kvm_vcpu *vcpu); 593 void svm_write_tsc_multiplier(struct kvm_vcpu *vcpu, u64 multiplier); 594 void nested_copy_vmcb_control_to_cache(struct vcpu_svm *svm, 595 struct vmcb_control_area *control); 596 void nested_copy_vmcb_save_to_cache(struct vcpu_svm *svm, 597 struct vmcb_save_area *save); 598 void nested_sync_control_from_vmcb02(struct vcpu_svm *svm); 599 void nested_vmcb02_compute_g_pat(struct vcpu_svm *svm); 600 void svm_switch_vmcb(struct vcpu_svm *svm, struct kvm_vmcb_info *target_vmcb); 601 602 extern struct kvm_x86_nested_ops svm_nested_ops; 603 604 /* avic.c */ 605 606 int avic_ga_log_notifier(u32 ga_tag); 607 void avic_vm_destroy(struct kvm *kvm); 608 int avic_vm_init(struct kvm *kvm); 609 void avic_init_vmcb(struct vcpu_svm *svm, struct vmcb *vmcb); 610 int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu); 611 int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu); 612 int avic_init_vcpu(struct vcpu_svm *svm); 613 void __avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu); 614 void __avic_vcpu_put(struct kvm_vcpu *vcpu); 615 void avic_apicv_post_state_restore(struct kvm_vcpu *vcpu); 616 void avic_set_virtual_apic_mode(struct kvm_vcpu *vcpu); 617 void avic_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu); 618 bool avic_check_apicv_inhibit_reasons(enum kvm_apicv_inhibit reason); 619 void avic_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr); 620 void avic_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr); 621 bool avic_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu); 622 int avic_pi_update_irte(struct kvm *kvm, unsigned int host_irq, 623 uint32_t guest_irq, bool set); 624 void avic_vcpu_blocking(struct kvm_vcpu *vcpu); 625 void avic_vcpu_unblocking(struct kvm_vcpu *vcpu); 626 void avic_ring_doorbell(struct kvm_vcpu *vcpu); 627 unsigned long avic_vcpu_get_apicv_inhibit_reasons(struct kvm_vcpu *vcpu); 628 629 /* sev.c */ 630 631 #define GHCB_VERSION_MAX 1ULL 632 #define GHCB_VERSION_MIN 1ULL 633 634 635 extern unsigned int max_sev_asid; 636 637 void sev_vm_destroy(struct kvm *kvm); 638 int sev_mem_enc_ioctl(struct kvm *kvm, void __user *argp); 639 int sev_mem_enc_register_region(struct kvm *kvm, 640 struct kvm_enc_region *range); 641 int sev_mem_enc_unregister_region(struct kvm *kvm, 642 struct kvm_enc_region *range); 643 int sev_vm_copy_enc_context_from(struct kvm *kvm, unsigned int source_fd); 644 int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd); 645 void sev_guest_memory_reclaimed(struct kvm *kvm); 646 647 void pre_sev_run(struct vcpu_svm *svm, int cpu); 648 void __init sev_set_cpu_caps(void); 649 void __init sev_hardware_setup(void); 650 void sev_hardware_unsetup(void); 651 int sev_cpu_init(struct svm_cpu_data *sd); 652 void sev_free_vcpu(struct kvm_vcpu *vcpu); 653 int sev_handle_vmgexit(struct kvm_vcpu *vcpu); 654 int sev_es_string_io(struct vcpu_svm *svm, int size, unsigned int port, int in); 655 void sev_es_init_vmcb(struct vcpu_svm *svm); 656 void sev_es_vcpu_reset(struct vcpu_svm *svm); 657 void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector); 658 void sev_es_prepare_switch_to_guest(struct sev_es_save_area *hostsa); 659 void sev_es_unmap_ghcb(struct vcpu_svm *svm); 660 661 /* vmenter.S */ 662 663 void __svm_sev_es_vcpu_run(unsigned long vmcb_pa); 664 void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs); 665 666 #endif 667