Lines Matching full:vcpu
88 ((struct kvm_vcpu *)(ctxt)->vcpu)
106 static void update_cr8_intercept(struct kvm_vcpu *vcpu);
107 static void process_nmi(struct kvm_vcpu *vcpu);
108 static void process_smi(struct kvm_vcpu *vcpu);
109 static void enter_smm(struct kvm_vcpu *vcpu);
110 static void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
111 static void store_regs(struct kvm_vcpu *vcpu);
112 static int sync_regs(struct kvm_vcpu *vcpu);
262 static bool kvm_msr_ignored_check(struct kvm_vcpu *vcpu, u32 msr, in kvm_msr_ignored_check() argument
293 static inline void kvm_async_pf_hash_reset(struct kvm_vcpu *vcpu) in kvm_async_pf_hash_reset() argument
297 vcpu->arch.apf.gfns[i] = ~0; in kvm_async_pf_hash_reset()
398 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu) in kvm_get_apic_base() argument
400 return vcpu->arch.apic_base; in kvm_get_apic_base()
404 enum lapic_mode kvm_get_apic_mode(struct kvm_vcpu *vcpu) in kvm_get_apic_mode() argument
406 return kvm_apic_mode(kvm_get_apic_base(vcpu)); in kvm_get_apic_mode()
410 int kvm_set_apic_base(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_set_apic_base() argument
412 enum lapic_mode old_mode = kvm_get_apic_mode(vcpu); in kvm_set_apic_base()
414 u64 reserved_bits = ((~0ULL) << cpuid_maxphyaddr(vcpu)) | 0x2ff | in kvm_set_apic_base()
415 (guest_cpuid_has(vcpu, X86_FEATURE_X2APIC) ? 0 : X2APIC_ENABLE); in kvm_set_apic_base()
426 kvm_lapic_set_base(vcpu, msr_info->data); in kvm_set_apic_base()
427 kvm_recalculate_apic_map(vcpu->kvm); in kvm_set_apic_base()
485 void kvm_deliver_exception_payload(struct kvm_vcpu *vcpu) in kvm_deliver_exception_payload() argument
487 unsigned nr = vcpu->arch.exception.nr; in kvm_deliver_exception_payload()
488 bool has_payload = vcpu->arch.exception.has_payload; in kvm_deliver_exception_payload()
489 unsigned long payload = vcpu->arch.exception.payload; in kvm_deliver_exception_payload()
501 vcpu->arch.dr6 &= ~DR_TRAP_BITS; in kvm_deliver_exception_payload()
505 vcpu->arch.dr6 |= DR6_RTM; in kvm_deliver_exception_payload()
506 vcpu->arch.dr6 |= payload; in kvm_deliver_exception_payload()
515 vcpu->arch.dr6 ^= payload & DR6_RTM; in kvm_deliver_exception_payload()
523 vcpu->arch.dr6 &= ~BIT(12); in kvm_deliver_exception_payload()
526 vcpu->arch.cr2 = payload; in kvm_deliver_exception_payload()
530 vcpu->arch.exception.has_payload = false; in kvm_deliver_exception_payload()
531 vcpu->arch.exception.payload = 0; in kvm_deliver_exception_payload()
535 static void kvm_multiple_exception(struct kvm_vcpu *vcpu, in kvm_multiple_exception() argument
542 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_multiple_exception()
544 if (!vcpu->arch.exception.pending && !vcpu->arch.exception.injected) { in kvm_multiple_exception()
548 * On vmentry, vcpu->arch.exception.pending is only in kvm_multiple_exception()
555 WARN_ON_ONCE(vcpu->arch.exception.pending); in kvm_multiple_exception()
556 vcpu->arch.exception.injected = true; in kvm_multiple_exception()
566 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
567 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
569 vcpu->arch.exception.has_error_code = has_error; in kvm_multiple_exception()
570 vcpu->arch.exception.nr = nr; in kvm_multiple_exception()
571 vcpu->arch.exception.error_code = error_code; in kvm_multiple_exception()
572 vcpu->arch.exception.has_payload = has_payload; in kvm_multiple_exception()
573 vcpu->arch.exception.payload = payload; in kvm_multiple_exception()
574 if (!is_guest_mode(vcpu)) in kvm_multiple_exception()
575 kvm_deliver_exception_payload(vcpu); in kvm_multiple_exception()
580 prev_nr = vcpu->arch.exception.nr; in kvm_multiple_exception()
583 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_multiple_exception()
595 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
596 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
597 vcpu->arch.exception.has_error_code = true; in kvm_multiple_exception()
598 vcpu->arch.exception.nr = DF_VECTOR; in kvm_multiple_exception()
599 vcpu->arch.exception.error_code = 0; in kvm_multiple_exception()
600 vcpu->arch.exception.has_payload = false; in kvm_multiple_exception()
601 vcpu->arch.exception.payload = 0; in kvm_multiple_exception()
609 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr) in kvm_queue_exception() argument
611 kvm_multiple_exception(vcpu, nr, false, 0, false, 0, false); in kvm_queue_exception()
615 void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr) in kvm_requeue_exception() argument
617 kvm_multiple_exception(vcpu, nr, false, 0, false, 0, true); in kvm_requeue_exception()
621 void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr, in kvm_queue_exception_p() argument
624 kvm_multiple_exception(vcpu, nr, false, 0, true, payload, false); in kvm_queue_exception_p()
628 static void kvm_queue_exception_e_p(struct kvm_vcpu *vcpu, unsigned nr, in kvm_queue_exception_e_p() argument
631 kvm_multiple_exception(vcpu, nr, true, error_code, in kvm_queue_exception_e_p()
635 int kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err) in kvm_complete_insn_gp() argument
638 kvm_inject_gp(vcpu, 0); in kvm_complete_insn_gp()
640 return kvm_skip_emulated_instruction(vcpu); in kvm_complete_insn_gp()
646 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault) in kvm_inject_page_fault() argument
648 ++vcpu->stat.pf_guest; in kvm_inject_page_fault()
649 vcpu->arch.exception.nested_apf = in kvm_inject_page_fault()
650 is_guest_mode(vcpu) && fault->async_page_fault; in kvm_inject_page_fault()
651 if (vcpu->arch.exception.nested_apf) { in kvm_inject_page_fault()
652 vcpu->arch.apf.nested_apf_token = fault->address; in kvm_inject_page_fault()
653 kvm_queue_exception_e(vcpu, PF_VECTOR, fault->error_code); in kvm_inject_page_fault()
655 kvm_queue_exception_e_p(vcpu, PF_VECTOR, fault->error_code, in kvm_inject_page_fault()
661 bool kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu, in kvm_inject_emulated_page_fault() argument
667 fault_mmu = fault->nested_page_fault ? vcpu->arch.mmu : in kvm_inject_emulated_page_fault()
668 vcpu->arch.walk_mmu; in kvm_inject_emulated_page_fault()
676 kvm_mmu_invalidate_gva(vcpu, fault_mmu, fault->address, in kvm_inject_emulated_page_fault()
679 fault_mmu->inject_page_fault(vcpu, fault); in kvm_inject_emulated_page_fault()
684 void kvm_inject_nmi(struct kvm_vcpu *vcpu) in kvm_inject_nmi() argument
686 atomic_inc(&vcpu->arch.nmi_queued); in kvm_inject_nmi()
687 kvm_make_request(KVM_REQ_NMI, vcpu); in kvm_inject_nmi()
691 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code) in kvm_queue_exception_e() argument
693 kvm_multiple_exception(vcpu, nr, true, error_code, false, 0, false); in kvm_queue_exception_e()
697 void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code) in kvm_requeue_exception_e() argument
699 kvm_multiple_exception(vcpu, nr, true, error_code, false, 0, true); in kvm_requeue_exception_e()
707 bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl) in kvm_require_cpl() argument
709 if (kvm_x86_ops.get_cpl(vcpu) <= required_cpl) in kvm_require_cpl()
711 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in kvm_require_cpl()
716 bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr) in kvm_require_dr() argument
718 if ((dr != 4 && dr != 5) || !kvm_read_cr4_bits(vcpu, X86_CR4_DE)) in kvm_require_dr()
721 kvm_queue_exception(vcpu, UD_VECTOR); in kvm_require_dr()
731 int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, in kvm_read_guest_page_mmu() argument
740 real_gfn = mmu->translate_gpa(vcpu, ngpa, access, &exception); in kvm_read_guest_page_mmu()
746 return kvm_vcpu_read_guest_page(vcpu, real_gfn, data, offset, len); in kvm_read_guest_page_mmu()
750 static int kvm_read_nested_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, in kvm_read_nested_guest_page() argument
753 return kvm_read_guest_page_mmu(vcpu, vcpu->arch.walk_mmu, gfn, in kvm_read_nested_guest_page()
757 static inline u64 pdptr_rsvd_bits(struct kvm_vcpu *vcpu) in pdptr_rsvd_bits() argument
759 return rsvd_bits(cpuid_maxphyaddr(vcpu), 63) | rsvd_bits(5, 8) | in pdptr_rsvd_bits()
766 int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3) in load_pdptrs() argument
774 ret = kvm_read_guest_page_mmu(vcpu, mmu, pdpt_gfn, pdpte, in load_pdptrs()
783 (pdpte[i] & pdptr_rsvd_bits(vcpu))) { in load_pdptrs()
791 kvm_register_mark_dirty(vcpu, VCPU_EXREG_PDPTR); in load_pdptrs()
799 bool pdptrs_changed(struct kvm_vcpu *vcpu) in pdptrs_changed() argument
801 u64 pdpte[ARRAY_SIZE(vcpu->arch.walk_mmu->pdptrs)]; in pdptrs_changed()
806 if (!is_pae_paging(vcpu)) in pdptrs_changed()
809 if (!kvm_register_is_available(vcpu, VCPU_EXREG_PDPTR)) in pdptrs_changed()
812 gfn = (kvm_read_cr3(vcpu) & 0xffffffe0ul) >> PAGE_SHIFT; in pdptrs_changed()
813 offset = (kvm_read_cr3(vcpu) & 0xffffffe0ul) & (PAGE_SIZE - 1); in pdptrs_changed()
814 r = kvm_read_nested_guest_page(vcpu, gfn, pdpte, offset, sizeof(pdpte), in pdptrs_changed()
819 return memcmp(pdpte, vcpu->arch.walk_mmu->pdptrs, sizeof(pdpte)) != 0; in pdptrs_changed()
823 int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) in kvm_set_cr0() argument
825 unsigned long old_cr0 = kvm_read_cr0(vcpu); in kvm_set_cr0()
845 if ((vcpu->arch.efer & EFER_LME) && !is_paging(vcpu) && in kvm_set_cr0()
849 if (!is_pae(vcpu)) in kvm_set_cr0()
851 kvm_x86_ops.get_cs_db_l_bits(vcpu, &cs_db, &cs_l); in kvm_set_cr0()
856 if (!(vcpu->arch.efer & EFER_LME) && (cr0 & X86_CR0_PG) && in kvm_set_cr0()
857 is_pae(vcpu) && ((cr0 ^ old_cr0) & pdptr_bits) && in kvm_set_cr0()
858 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu))) in kvm_set_cr0()
861 if (!(cr0 & X86_CR0_PG) && kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE)) in kvm_set_cr0()
864 kvm_x86_ops.set_cr0(vcpu, cr0); in kvm_set_cr0()
867 kvm_clear_async_pf_completion_queue(vcpu); in kvm_set_cr0()
868 kvm_async_pf_hash_reset(vcpu); in kvm_set_cr0()
872 kvm_mmu_reset_context(vcpu); in kvm_set_cr0()
875 kvm_arch_has_noncoherent_dma(vcpu->kvm) && in kvm_set_cr0()
876 !kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) in kvm_set_cr0()
877 kvm_zap_gfn_range(vcpu->kvm, 0, ~0ULL); in kvm_set_cr0()
883 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw) in kvm_lmsw() argument
885 (void)kvm_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~0x0eul) | (msw & 0x0f)); in kvm_lmsw()
889 void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu) in kvm_load_guest_xsave_state() argument
891 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) { in kvm_load_guest_xsave_state()
893 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_guest_xsave_state()
894 xsetbv(XCR_XFEATURE_ENABLED_MASK, vcpu->arch.xcr0); in kvm_load_guest_xsave_state()
896 if (vcpu->arch.xsaves_enabled && in kvm_load_guest_xsave_state()
897 vcpu->arch.ia32_xss != host_xss) in kvm_load_guest_xsave_state()
898 wrmsrl(MSR_IA32_XSS, vcpu->arch.ia32_xss); in kvm_load_guest_xsave_state()
902 (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) || in kvm_load_guest_xsave_state()
903 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) && in kvm_load_guest_xsave_state()
904 vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_guest_xsave_state()
905 __write_pkru(vcpu->arch.pkru); in kvm_load_guest_xsave_state()
909 void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu) in kvm_load_host_xsave_state() argument
912 (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) || in kvm_load_host_xsave_state()
913 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) { in kvm_load_host_xsave_state()
914 vcpu->arch.pkru = rdpkru(); in kvm_load_host_xsave_state()
915 if (vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_host_xsave_state()
916 __write_pkru(vcpu->arch.host_pkru); in kvm_load_host_xsave_state()
919 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) { in kvm_load_host_xsave_state()
921 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_host_xsave_state()
924 if (vcpu->arch.xsaves_enabled && in kvm_load_host_xsave_state()
925 vcpu->arch.ia32_xss != host_xss) in kvm_load_host_xsave_state()
932 static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) in __kvm_set_xcr() argument
935 u64 old_xcr0 = vcpu->arch.xcr0; in __kvm_set_xcr()
951 valid_bits = vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FP; in __kvm_set_xcr()
965 vcpu->arch.xcr0 = xcr0; in __kvm_set_xcr()
968 kvm_update_cpuid_runtime(vcpu); in __kvm_set_xcr()
972 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) in kvm_set_xcr() argument
974 if (kvm_x86_ops.get_cpl(vcpu) != 0 || in kvm_set_xcr()
975 __kvm_set_xcr(vcpu, index, xcr)) { in kvm_set_xcr()
976 kvm_inject_gp(vcpu, 0); in kvm_set_xcr()
983 int kvm_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) in kvm_valid_cr4() argument
988 if (cr4 & vcpu->arch.cr4_guest_rsvd_bits) in kvm_valid_cr4()
995 int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) in kvm_set_cr4() argument
997 unsigned long old_cr4 = kvm_read_cr4(vcpu); in kvm_set_cr4()
1002 if (kvm_valid_cr4(vcpu, cr4)) in kvm_set_cr4()
1005 if (is_long_mode(vcpu)) { in kvm_set_cr4()
1010 } else if (is_paging(vcpu) && (cr4 & X86_CR4_PAE) in kvm_set_cr4()
1012 && !load_pdptrs(vcpu, vcpu->arch.walk_mmu, in kvm_set_cr4()
1013 kvm_read_cr3(vcpu))) in kvm_set_cr4()
1017 if (!guest_cpuid_has(vcpu, X86_FEATURE_PCID)) in kvm_set_cr4()
1021 if ((kvm_read_cr3(vcpu) & X86_CR3_PCID_MASK) || !is_long_mode(vcpu)) in kvm_set_cr4()
1025 if (kvm_x86_ops.set_cr4(vcpu, cr4)) in kvm_set_cr4()
1030 kvm_mmu_reset_context(vcpu); in kvm_set_cr4()
1033 kvm_update_cpuid_runtime(vcpu); in kvm_set_cr4()
1039 int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) in kvm_set_cr3() argument
1043 bool pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE); in kvm_set_cr3()
1051 if (cr3 == kvm_read_cr3(vcpu) && !pdptrs_changed(vcpu)) { in kvm_set_cr3()
1053 kvm_mmu_sync_roots(vcpu); in kvm_set_cr3()
1054 kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in kvm_set_cr3()
1059 if (is_long_mode(vcpu) && in kvm_set_cr3()
1060 (cr3 & vcpu->arch.cr3_lm_rsvd_bits)) in kvm_set_cr3()
1062 else if (is_pae_paging(vcpu) && in kvm_set_cr3()
1063 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3)) in kvm_set_cr3()
1066 kvm_mmu_new_pgd(vcpu, cr3, skip_tlb_flush, skip_tlb_flush); in kvm_set_cr3()
1067 vcpu->arch.cr3 = cr3; in kvm_set_cr3()
1068 kvm_register_mark_available(vcpu, VCPU_EXREG_CR3); in kvm_set_cr3()
1074 int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8) in kvm_set_cr8() argument
1078 if (lapic_in_kernel(vcpu)) in kvm_set_cr8()
1079 kvm_lapic_set_tpr(vcpu, cr8); in kvm_set_cr8()
1081 vcpu->arch.cr8 = cr8; in kvm_set_cr8()
1086 unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu) in kvm_get_cr8() argument
1088 if (lapic_in_kernel(vcpu)) in kvm_get_cr8()
1089 return kvm_lapic_get_cr8(vcpu); in kvm_get_cr8()
1091 return vcpu->arch.cr8; in kvm_get_cr8()
1095 static void kvm_update_dr0123(struct kvm_vcpu *vcpu) in kvm_update_dr0123() argument
1099 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) { in kvm_update_dr0123()
1101 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_update_dr0123()
1102 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD; in kvm_update_dr0123()
1106 void kvm_update_dr7(struct kvm_vcpu *vcpu) in kvm_update_dr7() argument
1110 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) in kvm_update_dr7()
1111 dr7 = vcpu->arch.guest_debug_dr7; in kvm_update_dr7()
1113 dr7 = vcpu->arch.dr7; in kvm_update_dr7()
1114 kvm_x86_ops.set_dr7(vcpu, dr7); in kvm_update_dr7()
1115 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1117 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1121 static u64 kvm_dr6_fixed(struct kvm_vcpu *vcpu) in kvm_dr6_fixed() argument
1125 if (!guest_cpuid_has(vcpu, X86_FEATURE_RTM)) in kvm_dr6_fixed()
1130 static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) in __kvm_set_dr() argument
1132 size_t size = ARRAY_SIZE(vcpu->arch.db); in __kvm_set_dr()
1136 vcpu->arch.db[array_index_nospec(dr, size)] = val; in __kvm_set_dr()
1137 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) in __kvm_set_dr()
1138 vcpu->arch.eff_db[dr] = val; in __kvm_set_dr()
1144 vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu); in __kvm_set_dr()
1150 vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1; in __kvm_set_dr()
1151 kvm_update_dr7(vcpu); in __kvm_set_dr()
1158 int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) in kvm_set_dr() argument
1160 if (__kvm_set_dr(vcpu, dr, val)) { in kvm_set_dr()
1161 kvm_inject_gp(vcpu, 0); in kvm_set_dr()
1168 int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val) in kvm_get_dr() argument
1170 size_t size = ARRAY_SIZE(vcpu->arch.db); in kvm_get_dr()
1174 *val = vcpu->arch.db[array_index_nospec(dr, size)]; in kvm_get_dr()
1178 *val = vcpu->arch.dr6; in kvm_get_dr()
1182 *val = vcpu->arch.dr7; in kvm_get_dr()
1189 bool kvm_rdpmc(struct kvm_vcpu *vcpu) in kvm_rdpmc() argument
1191 u32 ecx = kvm_rcx_read(vcpu); in kvm_rdpmc()
1195 err = kvm_pmu_rdpmc(vcpu, ecx, &data); in kvm_rdpmc()
1198 kvm_rax_write(vcpu, (u32)data); in kvm_rdpmc()
1199 kvm_rdx_write(vcpu, data >> 32); in kvm_rdpmc()
1441 static int do_get_msr_feature(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_get_msr_feature() argument
1452 if (kvm_msr_ignored_check(vcpu, index, 0, false)) in do_get_msr_feature()
1464 static bool __kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer) in __kvm_valid_efer() argument
1466 if (efer & EFER_FFXSR && !guest_cpuid_has(vcpu, X86_FEATURE_FXSR_OPT)) in __kvm_valid_efer()
1469 if (efer & EFER_SVME && !guest_cpuid_has(vcpu, X86_FEATURE_SVM)) in __kvm_valid_efer()
1473 !guest_cpuid_has(vcpu, X86_FEATURE_LM)) in __kvm_valid_efer()
1476 if (efer & EFER_NX && !guest_cpuid_has(vcpu, X86_FEATURE_NX)) in __kvm_valid_efer()
1482 bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer) in kvm_valid_efer() argument
1487 return __kvm_valid_efer(vcpu, efer); in kvm_valid_efer()
1491 static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in set_efer() argument
1493 u64 old_efer = vcpu->arch.efer; in set_efer()
1501 if (!__kvm_valid_efer(vcpu, efer)) in set_efer()
1504 if (is_paging(vcpu) && in set_efer()
1505 (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) in set_efer()
1510 efer |= vcpu->arch.efer & EFER_LMA; in set_efer()
1512 r = kvm_x86_ops.set_efer(vcpu, efer); in set_efer()
1520 kvm_mmu_reset_context(vcpu); in set_efer()
1531 bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type) in kvm_msr_allowed() argument
1535 struct kvm *kvm = vcpu->kvm; in kvm_msr_allowed()
1580 static int __kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data, in __kvm_set_msr() argument
1585 if (!host_initiated && !kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_WRITE)) in __kvm_set_msr()
1594 if (is_noncanonical_address(data, vcpu)) in __kvm_set_msr()
1611 data = get_canonical(data, vcpu_virt_addr_bits(vcpu)); in __kvm_set_msr()
1618 return kvm_x86_ops.set_msr(vcpu, &msr); in __kvm_set_msr()
1621 static int kvm_set_msr_ignored_check(struct kvm_vcpu *vcpu, in kvm_set_msr_ignored_check() argument
1624 int ret = __kvm_set_msr(vcpu, index, data, host_initiated); in kvm_set_msr_ignored_check()
1627 if (kvm_msr_ignored_check(vcpu, index, data, true)) in kvm_set_msr_ignored_check()
1639 int __kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data, in __kvm_get_msr() argument
1645 if (!host_initiated && !kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_READ)) in __kvm_get_msr()
1651 ret = kvm_x86_ops.get_msr(vcpu, &msr); in __kvm_get_msr()
1657 static int kvm_get_msr_ignored_check(struct kvm_vcpu *vcpu, in kvm_get_msr_ignored_check() argument
1660 int ret = __kvm_get_msr(vcpu, index, data, host_initiated); in kvm_get_msr_ignored_check()
1665 if (kvm_msr_ignored_check(vcpu, index, 0, false)) in kvm_get_msr_ignored_check()
1672 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data) in kvm_get_msr() argument
1674 return kvm_get_msr_ignored_check(vcpu, index, data, false); in kvm_get_msr()
1678 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data) in kvm_set_msr() argument
1680 return kvm_set_msr_ignored_check(vcpu, index, data, false); in kvm_set_msr()
1684 static int complete_emulated_msr(struct kvm_vcpu *vcpu, bool is_read) in complete_emulated_msr() argument
1686 if (vcpu->run->msr.error) { in complete_emulated_msr()
1687 kvm_inject_gp(vcpu, 0); in complete_emulated_msr()
1690 kvm_rax_write(vcpu, (u32)vcpu->run->msr.data); in complete_emulated_msr()
1691 kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); in complete_emulated_msr()
1694 return kvm_skip_emulated_instruction(vcpu); in complete_emulated_msr()
1697 static int complete_emulated_rdmsr(struct kvm_vcpu *vcpu) in complete_emulated_rdmsr() argument
1699 return complete_emulated_msr(vcpu, true); in complete_emulated_rdmsr()
1702 static int complete_emulated_wrmsr(struct kvm_vcpu *vcpu) in complete_emulated_wrmsr() argument
1704 return complete_emulated_msr(vcpu, false); in complete_emulated_wrmsr()
1719 static int kvm_msr_user_space(struct kvm_vcpu *vcpu, u32 index, in kvm_msr_user_space() argument
1721 int (*completion)(struct kvm_vcpu *vcpu), in kvm_msr_user_space() argument
1727 if (!(vcpu->kvm->arch.user_space_msr_mask & msr_reason)) in kvm_msr_user_space()
1730 vcpu->run->exit_reason = exit_reason; in kvm_msr_user_space()
1731 vcpu->run->msr.error = 0; in kvm_msr_user_space()
1732 memset(vcpu->run->msr.pad, 0, sizeof(vcpu->run->msr.pad)); in kvm_msr_user_space()
1733 vcpu->run->msr.reason = msr_reason; in kvm_msr_user_space()
1734 vcpu->run->msr.index = index; in kvm_msr_user_space()
1735 vcpu->run->msr.data = data; in kvm_msr_user_space()
1736 vcpu->arch.complete_userspace_io = completion; in kvm_msr_user_space()
1741 static int kvm_get_msr_user_space(struct kvm_vcpu *vcpu, u32 index, int r) in kvm_get_msr_user_space() argument
1743 return kvm_msr_user_space(vcpu, index, KVM_EXIT_X86_RDMSR, 0, in kvm_get_msr_user_space()
1747 static int kvm_set_msr_user_space(struct kvm_vcpu *vcpu, u32 index, u64 data, int r) in kvm_set_msr_user_space() argument
1749 return kvm_msr_user_space(vcpu, index, KVM_EXIT_X86_WRMSR, data, in kvm_set_msr_user_space()
1753 int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu) in kvm_emulate_rdmsr() argument
1755 u32 ecx = kvm_rcx_read(vcpu); in kvm_emulate_rdmsr()
1759 r = kvm_get_msr(vcpu, ecx, &data); in kvm_emulate_rdmsr()
1762 if (r && kvm_get_msr_user_space(vcpu, ecx, r)) { in kvm_emulate_rdmsr()
1770 kvm_inject_gp(vcpu, 0); in kvm_emulate_rdmsr()
1776 kvm_rax_write(vcpu, data & -1u); in kvm_emulate_rdmsr()
1777 kvm_rdx_write(vcpu, (data >> 32) & -1u); in kvm_emulate_rdmsr()
1778 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_rdmsr()
1782 int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu) in kvm_emulate_wrmsr() argument
1784 u32 ecx = kvm_rcx_read(vcpu); in kvm_emulate_wrmsr()
1785 u64 data = kvm_read_edx_eax(vcpu); in kvm_emulate_wrmsr()
1788 r = kvm_set_msr(vcpu, ecx, data); in kvm_emulate_wrmsr()
1791 if (r && kvm_set_msr_user_space(vcpu, ecx, data, r)) in kvm_emulate_wrmsr()
1802 kvm_inject_gp(vcpu, 0); in kvm_emulate_wrmsr()
1807 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_wrmsr()
1811 bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu) in kvm_vcpu_exit_request() argument
1813 return vcpu->mode == EXITING_GUEST_MODE || kvm_request_pending(vcpu) || in kvm_vcpu_exit_request()
1825 static int handle_fastpath_set_x2apic_icr_irqoff(struct kvm_vcpu *vcpu, u64 data) in handle_fastpath_set_x2apic_icr_irqoff() argument
1827 if (!lapic_in_kernel(vcpu) || !apic_x2apic_mode(vcpu->arch.apic)) in handle_fastpath_set_x2apic_icr_irqoff()
1836 kvm_apic_send_ipi(vcpu->arch.apic, (u32)data, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1837 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR2, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1838 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR, (u32)data); in handle_fastpath_set_x2apic_icr_irqoff()
1846 static int handle_fastpath_set_tscdeadline(struct kvm_vcpu *vcpu, u64 data) in handle_fastpath_set_tscdeadline() argument
1848 if (!kvm_can_use_hv_timer(vcpu)) in handle_fastpath_set_tscdeadline()
1851 kvm_set_lapic_tscdeadline_msr(vcpu, data); in handle_fastpath_set_tscdeadline()
1855 fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu) in handle_fastpath_set_msr_irqoff() argument
1857 u32 msr = kvm_rcx_read(vcpu); in handle_fastpath_set_msr_irqoff()
1863 data = kvm_read_edx_eax(vcpu); in handle_fastpath_set_msr_irqoff()
1864 if (!handle_fastpath_set_x2apic_icr_irqoff(vcpu, data)) { in handle_fastpath_set_msr_irqoff()
1865 kvm_skip_emulated_instruction(vcpu); in handle_fastpath_set_msr_irqoff()
1870 data = kvm_read_edx_eax(vcpu); in handle_fastpath_set_msr_irqoff()
1871 if (!handle_fastpath_set_tscdeadline(vcpu, data)) { in handle_fastpath_set_msr_irqoff()
1872 kvm_skip_emulated_instruction(vcpu); in handle_fastpath_set_msr_irqoff()
1890 static int do_get_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_get_msr() argument
1892 return kvm_get_msr_ignored_check(vcpu, index, data, true); in do_get_msr()
1895 static int do_set_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_set_msr() argument
1897 return kvm_set_msr_ignored_check(vcpu, index, *data, true); in do_set_msr()
2007 static void kvm_write_system_time(struct kvm_vcpu *vcpu, gpa_t system_time, in kvm_write_system_time() argument
2010 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_write_system_time()
2012 if (vcpu->vcpu_id == 0 && !host_initiated) { in kvm_write_system_time()
2014 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_write_system_time()
2019 vcpu->arch.time = system_time; in kvm_write_system_time()
2020 kvm_make_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu); in kvm_write_system_time()
2023 vcpu->arch.pv_time_enabled = false; in kvm_write_system_time()
2027 if (!kvm_gfn_to_hva_cache_init(vcpu->kvm, in kvm_write_system_time()
2028 &vcpu->arch.pv_time, system_time & ~1ULL, in kvm_write_system_time()
2030 vcpu->arch.pv_time_enabled = true; in kvm_write_system_time()
2083 static int set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale) in set_tsc_khz() argument
2089 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in set_tsc_khz()
2096 vcpu->arch.tsc_catchup = 1; in set_tsc_khz()
2097 vcpu->arch.tsc_always_catchup = 1; in set_tsc_khz()
2115 vcpu->arch.tsc_scaling_ratio = ratio; in set_tsc_khz()
2119 static int kvm_set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz) in kvm_set_tsc_khz() argument
2127 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in kvm_set_tsc_khz()
2133 &vcpu->arch.virtual_tsc_shift, in kvm_set_tsc_khz()
2134 &vcpu->arch.virtual_tsc_mult); in kvm_set_tsc_khz()
2135 vcpu->arch.virtual_tsc_khz = user_tsc_khz; in kvm_set_tsc_khz()
2149 return set_tsc_khz(vcpu, user_tsc_khz, use_scaling); in kvm_set_tsc_khz()
2152 static u64 compute_guest_tsc(struct kvm_vcpu *vcpu, s64 kernel_ns) in compute_guest_tsc() argument
2154 u64 tsc = pvclock_scale_delta(kernel_ns-vcpu->arch.this_tsc_nsec, in compute_guest_tsc()
2155 vcpu->arch.virtual_tsc_mult, in compute_guest_tsc()
2156 vcpu->arch.virtual_tsc_shift); in compute_guest_tsc()
2157 tsc += vcpu->arch.this_tsc_write; in compute_guest_tsc()
2166 static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu) in kvm_track_tsc_matching() argument
2170 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_track_tsc_matching()
2174 atomic_read(&vcpu->kvm->online_vcpus)); in kvm_track_tsc_matching()
2186 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_track_tsc_matching()
2188 trace_kvm_track_tsc(vcpu->vcpu_id, ka->nr_vcpus_matched_tsc, in kvm_track_tsc_matching()
2189 atomic_read(&vcpu->kvm->online_vcpus), in kvm_track_tsc_matching()
2209 u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc) in kvm_scale_tsc() argument
2212 u64 ratio = vcpu->arch.tsc_scaling_ratio; in kvm_scale_tsc()
2221 static u64 kvm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) in kvm_compute_tsc_offset() argument
2225 tsc = kvm_scale_tsc(vcpu, rdtsc()); in kvm_compute_tsc_offset()
2230 u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc) in kvm_read_l1_tsc() argument
2232 return vcpu->arch.l1_tsc_offset + kvm_scale_tsc(vcpu, host_tsc); in kvm_read_l1_tsc()
2236 static void kvm_vcpu_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) in kvm_vcpu_write_tsc_offset() argument
2238 vcpu->arch.l1_tsc_offset = offset; in kvm_vcpu_write_tsc_offset()
2239 vcpu->arch.tsc_offset = kvm_x86_ops.write_l1_tsc_offset(vcpu, offset); in kvm_vcpu_write_tsc_offset()
2255 static void kvm_synchronize_tsc(struct kvm_vcpu *vcpu, u64 data) in kvm_synchronize_tsc() argument
2257 struct kvm *kvm = vcpu->kvm; in kvm_synchronize_tsc()
2265 offset = kvm_compute_tsc_offset(vcpu, data); in kvm_synchronize_tsc()
2269 if (vcpu->arch.virtual_tsc_khz) { in kvm_synchronize_tsc()
2272 * detection of vcpu initialization -- need to sync in kvm_synchronize_tsc()
2279 nsec_to_cycles(vcpu, elapsed); in kvm_synchronize_tsc()
2280 u64 tsc_hz = vcpu->arch.virtual_tsc_khz * 1000LL; in kvm_synchronize_tsc()
2298 vcpu->arch.virtual_tsc_khz == kvm->arch.last_tsc_khz) { in kvm_synchronize_tsc()
2302 u64 delta = nsec_to_cycles(vcpu, elapsed); in kvm_synchronize_tsc()
2304 offset = kvm_compute_tsc_offset(vcpu, data); in kvm_synchronize_tsc()
2307 already_matched = (vcpu->arch.this_tsc_generation == kvm->arch.cur_tsc_generation); in kvm_synchronize_tsc()
2331 kvm->arch.last_tsc_khz = vcpu->arch.virtual_tsc_khz; in kvm_synchronize_tsc()
2333 vcpu->arch.last_guest_tsc = data; in kvm_synchronize_tsc()
2335 /* Keep track of which generation this VCPU has synchronized to */ in kvm_synchronize_tsc()
2336 vcpu->arch.this_tsc_generation = kvm->arch.cur_tsc_generation; in kvm_synchronize_tsc()
2337 vcpu->arch.this_tsc_nsec = kvm->arch.cur_tsc_nsec; in kvm_synchronize_tsc()
2338 vcpu->arch.this_tsc_write = kvm->arch.cur_tsc_write; in kvm_synchronize_tsc()
2340 kvm_vcpu_write_tsc_offset(vcpu, offset); in kvm_synchronize_tsc()
2350 kvm_track_tsc_matching(vcpu); in kvm_synchronize_tsc()
2354 static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, in adjust_tsc_offset_guest() argument
2357 u64 tsc_offset = vcpu->arch.l1_tsc_offset; in adjust_tsc_offset_guest()
2358 kvm_vcpu_write_tsc_offset(vcpu, tsc_offset + adjustment); in adjust_tsc_offset_guest()
2361 static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) in adjust_tsc_offset_host() argument
2363 if (vcpu->arch.tsc_scaling_ratio != kvm_default_tsc_scaling_ratio) in adjust_tsc_offset_host()
2365 adjustment = kvm_scale_tsc(vcpu, (u64) adjustment); in adjust_tsc_offset_host()
2366 adjust_tsc_offset_guest(vcpu, adjustment); in adjust_tsc_offset_host()
2571 struct kvm_vcpu *vcpu; in kvm_gen_update_masterclock() local
2579 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_gen_update_masterclock()
2580 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_gen_update_masterclock()
2583 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_gen_update_masterclock()
2584 kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu); in kvm_gen_update_masterclock()
2624 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_setup_pvclock_page() local
2627 if (unlikely(kvm_read_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2631 /* This VCPU is paused, but it's legal for a guest to read another in kvm_setup_pvclock_page()
2632 * VCPU's kvmclock, so we really have to follow the specification where in kvm_setup_pvclock_page()
2642 * and third write. The vcpu->pv_time cache is still valid, because the in kvm_setup_pvclock_page()
2650 vcpu->hv_clock.version = guest_hv_clock.version + 1; in kvm_setup_pvclock_page()
2651 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2652 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2653 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2658 vcpu->hv_clock.flags |= (guest_hv_clock.flags & PVCLOCK_GUEST_STOPPED); in kvm_setup_pvclock_page()
2660 if (vcpu->pvclock_set_guest_stopped_request) { in kvm_setup_pvclock_page()
2661 vcpu->hv_clock.flags |= PVCLOCK_GUEST_STOPPED; in kvm_setup_pvclock_page()
2662 vcpu->pvclock_set_guest_stopped_request = false; in kvm_setup_pvclock_page()
2665 trace_kvm_pvclock_update(v->vcpu_id, &vcpu->hv_clock); in kvm_setup_pvclock_page()
2667 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2668 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2669 sizeof(vcpu->hv_clock)); in kvm_setup_pvclock_page()
2673 vcpu->hv_clock.version++; in kvm_setup_pvclock_page()
2674 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2675 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2676 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2682 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_guest_time_update() local
2723 * 2) Broken TSC compensation resets the base at each VCPU in kvm_guest_time_update()
2729 if (vcpu->tsc_catchup) { in kvm_guest_time_update()
2744 if (unlikely(vcpu->hw_tsc_khz != tgt_tsc_khz)) { in kvm_guest_time_update()
2746 &vcpu->hv_clock.tsc_shift, in kvm_guest_time_update()
2747 &vcpu->hv_clock.tsc_to_system_mul); in kvm_guest_time_update()
2748 vcpu->hw_tsc_khz = tgt_tsc_khz; in kvm_guest_time_update()
2751 vcpu->hv_clock.tsc_timestamp = tsc_timestamp; in kvm_guest_time_update()
2752 vcpu->hv_clock.system_time = kernel_ns + v->kvm->arch.kvmclock_offset; in kvm_guest_time_update()
2753 vcpu->last_guest_tsc = tsc_timestamp; in kvm_guest_time_update()
2760 vcpu->hv_clock.flags = pvclock_flags; in kvm_guest_time_update()
2762 if (vcpu->pv_time_enabled) in kvm_guest_time_update()
2765 kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock); in kvm_guest_time_update()
2770 * kvmclock updates which are isolated to a given vcpu, such as
2771 * vcpu->cpu migration, should not allow system_timestamp from
2773 * correction applies to one vcpu's system_timestamp but not
2779 * The time for a remote vcpu to update its kvmclock is bound
2792 struct kvm_vcpu *vcpu; in kvmclock_update_fn() local
2794 kvm_for_each_vcpu(i, vcpu, kvm) { in kvmclock_update_fn()
2795 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvmclock_update_fn()
2796 kvm_vcpu_kick(vcpu); in kvmclock_update_fn()
2829 static bool can_set_mci_status(struct kvm_vcpu *vcpu) in can_set_mci_status() argument
2832 if (guest_cpuid_is_amd_or_hygon(vcpu)) in can_set_mci_status()
2833 return !!(vcpu->arch.msr_hwcr & BIT_ULL(18)); in can_set_mci_status()
2838 static int set_msr_mce(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in set_msr_mce() argument
2840 u64 mcg_cap = vcpu->arch.mcg_cap; in set_msr_mce()
2847 vcpu->arch.mcg_status = data; in set_msr_mce()
2855 vcpu->arch.mcg_ctl = data; in set_msr_mce()
2876 if (!can_set_mci_status(vcpu)) in set_msr_mce()
2880 vcpu->arch.mce_banks[offset] = data; in set_msr_mce()
2888 static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data) in xen_hvm_config() argument
2890 struct kvm *kvm = vcpu->kvm; in xen_hvm_config()
2891 int lm = is_long_mode(vcpu); in xen_hvm_config()
2907 if (kvm_vcpu_write_guest(vcpu, page_addr, page, PAGE_SIZE)) { in xen_hvm_config()
2914 static inline bool kvm_pv_async_pf_enabled(struct kvm_vcpu *vcpu) in kvm_pv_async_pf_enabled() argument
2918 return (vcpu->arch.apf.msr_en_val & mask) == mask; in kvm_pv_async_pf_enabled()
2921 static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data) in kvm_pv_enable_async_pf() argument
2929 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_VMEXIT) && in kvm_pv_enable_async_pf()
2933 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT) && in kvm_pv_enable_async_pf()
2937 if (!lapic_in_kernel(vcpu)) in kvm_pv_enable_async_pf()
2940 vcpu->arch.apf.msr_en_val = data; in kvm_pv_enable_async_pf()
2942 if (!kvm_pv_async_pf_enabled(vcpu)) { in kvm_pv_enable_async_pf()
2943 kvm_clear_async_pf_completion_queue(vcpu); in kvm_pv_enable_async_pf()
2944 kvm_async_pf_hash_reset(vcpu); in kvm_pv_enable_async_pf()
2948 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa, in kvm_pv_enable_async_pf()
2952 vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS); in kvm_pv_enable_async_pf()
2953 vcpu->arch.apf.delivery_as_pf_vmexit = data & KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT; in kvm_pv_enable_async_pf()
2955 kvm_async_pf_wakeup_all(vcpu); in kvm_pv_enable_async_pf()
2960 static int kvm_pv_enable_async_pf_int(struct kvm_vcpu *vcpu, u64 data) in kvm_pv_enable_async_pf_int() argument
2966 if (!lapic_in_kernel(vcpu)) in kvm_pv_enable_async_pf_int()
2969 vcpu->arch.apf.msr_int_val = data; in kvm_pv_enable_async_pf_int()
2971 vcpu->arch.apf.vec = data & KVM_ASYNC_PF_VEC_MASK; in kvm_pv_enable_async_pf_int()
2976 static void kvmclock_reset(struct kvm_vcpu *vcpu) in kvmclock_reset() argument
2978 vcpu->arch.pv_time_enabled = false; in kvmclock_reset()
2979 vcpu->arch.time = 0; in kvmclock_reset()
2982 static void kvm_vcpu_flush_tlb_all(struct kvm_vcpu *vcpu) in kvm_vcpu_flush_tlb_all() argument
2984 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_all()
2985 kvm_x86_ops.tlb_flush_all(vcpu); in kvm_vcpu_flush_tlb_all()
2988 static void kvm_vcpu_flush_tlb_guest(struct kvm_vcpu *vcpu) in kvm_vcpu_flush_tlb_guest() argument
2990 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_guest()
2991 kvm_x86_ops.tlb_flush_guest(vcpu); in kvm_vcpu_flush_tlb_guest()
2994 static void record_steal_time(struct kvm_vcpu *vcpu) in record_steal_time() argument
2999 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in record_steal_time()
3003 if (kvm_map_gfn(vcpu, vcpu->arch.st.msr_val >> PAGE_SHIFT, in record_steal_time()
3004 &map, &vcpu->arch.st.cache, false)) in record_steal_time()
3008 offset_in_page(vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS); in record_steal_time()
3014 if (guest_pv_has(vcpu, KVM_FEATURE_PV_TLB_FLUSH)) { in record_steal_time()
3015 trace_kvm_pv_tlb_flush(vcpu->vcpu_id, in record_steal_time()
3018 kvm_vcpu_flush_tlb_guest(vcpu); in record_steal_time()
3023 vcpu->arch.st.preempted = 0; in record_steal_time()
3033 vcpu->arch.st.last_steal; in record_steal_time()
3034 vcpu->arch.st.last_steal = current->sched_info.run_delay; in record_steal_time()
3040 kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, false); in record_steal_time()
3043 int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_set_msr_common() argument
3061 vcpu->arch.microcode_version = data; in kvm_set_msr_common()
3066 vcpu->arch.arch_capabilities = data; in kvm_set_msr_common()
3073 if (guest_cpuid_has(vcpu, X86_FEATURE_PDCM) && kvm_get_msr_feature(&msr_ent)) in kvm_set_msr_common()
3078 vcpu->arch.perf_capabilities = data; in kvm_set_msr_common()
3083 return set_efer(vcpu, msr_info); in kvm_set_msr_common()
3091 vcpu->arch.msr_hwcr = data; in kvm_set_msr_common()
3093 vcpu_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n", in kvm_set_msr_common()
3100 vcpu_unimpl(vcpu, "unimplemented MMIO_CONF_BASE wrmsr: " in kvm_set_msr_common()
3114 vcpu_unimpl(vcpu, "%s: MSR_IA32_DEBUGCTLMSR 0x%llx, nop\n", in kvm_set_msr_common()
3118 return kvm_mtrr_set_msr(vcpu, msr, data); in kvm_set_msr_common()
3120 return kvm_set_apic_base(vcpu, msr_info); in kvm_set_msr_common()
3122 return kvm_x2apic_msr_write(vcpu, msr, data); in kvm_set_msr_common()
3124 kvm_set_lapic_tscdeadline_msr(vcpu, data); in kvm_set_msr_common()
3127 if (guest_cpuid_has(vcpu, X86_FEATURE_TSC_ADJUST)) { in kvm_set_msr_common()
3129 s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr; in kvm_set_msr_common()
3130 adjust_tsc_offset_guest(vcpu, adj); in kvm_set_msr_common()
3134 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_set_msr_common()
3136 vcpu->arch.ia32_tsc_adjust_msr = data; in kvm_set_msr_common()
3140 if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT) && in kvm_set_msr_common()
3141 ((vcpu->arch.ia32_misc_enable_msr ^ data) & MSR_IA32_MISC_ENABLE_MWAIT)) { in kvm_set_msr_common()
3142 if (!guest_cpuid_has(vcpu, X86_FEATURE_XMM3)) in kvm_set_msr_common()
3144 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3145 kvm_update_cpuid_runtime(vcpu); in kvm_set_msr_common()
3147 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3153 vcpu->arch.smbase = data; in kvm_set_msr_common()
3156 vcpu->arch.msr_ia32_power_ctl = data; in kvm_set_msr_common()
3160 kvm_synchronize_tsc(vcpu, data); in kvm_set_msr_common()
3162 u64 adj = kvm_compute_tsc_offset(vcpu, data) - vcpu->arch.l1_tsc_offset; in kvm_set_msr_common()
3163 adjust_tsc_offset_guest(vcpu, adj); in kvm_set_msr_common()
3164 vcpu->arch.ia32_tsc_adjust_msr += adj; in kvm_set_msr_common()
3169 !guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)) in kvm_set_msr_common()
3178 vcpu->arch.ia32_xss = data; in kvm_set_msr_common()
3183 vcpu->arch.smi_count = data; in kvm_set_msr_common()
3186 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_set_msr_common()
3189 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3192 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_set_msr_common()
3195 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3198 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_set_msr_common()
3201 kvm_write_system_time(vcpu, data, false, msr_info->host_initiated); in kvm_set_msr_common()
3204 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_set_msr_common()
3207 kvm_write_system_time(vcpu, data, true, msr_info->host_initiated); in kvm_set_msr_common()
3210 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) in kvm_set_msr_common()
3213 if (kvm_pv_enable_async_pf(vcpu, data)) in kvm_set_msr_common()
3217 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_set_msr_common()
3220 if (kvm_pv_enable_async_pf_int(vcpu, data)) in kvm_set_msr_common()
3224 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_set_msr_common()
3227 vcpu->arch.apf.pageready_pending = false; in kvm_set_msr_common()
3228 kvm_check_async_pf_completion(vcpu); in kvm_set_msr_common()
3232 if (!guest_pv_has(vcpu, KVM_FEATURE_STEAL_TIME)) in kvm_set_msr_common()
3241 vcpu->arch.st.msr_val = data; in kvm_set_msr_common()
3246 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_set_msr_common()
3250 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_EOI)) in kvm_set_msr_common()
3253 if (kvm_lapic_enable_pv_eoi(vcpu, data, sizeof(u8))) in kvm_set_msr_common()
3258 if (!guest_pv_has(vcpu, KVM_FEATURE_POLL_CONTROL)) in kvm_set_msr_common()
3265 vcpu->arch.msr_kvm_poll_control = data; in kvm_set_msr_common()
3271 return set_msr_mce(vcpu, msr_info); in kvm_set_msr_common()
3279 if (kvm_pmu_is_valid_msr(vcpu, msr)) in kvm_set_msr_common()
3280 return kvm_pmu_set_msr(vcpu, msr_info); in kvm_set_msr_common()
3283 vcpu_unimpl(vcpu, "disabled perfctr wrmsr: " in kvm_set_msr_common()
3305 return kvm_hv_set_msr_common(vcpu, msr, data, in kvm_set_msr_common()
3312 vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", in kvm_set_msr_common()
3316 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_set_msr_common()
3318 vcpu->arch.osvw.length = data; in kvm_set_msr_common()
3321 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_set_msr_common()
3323 vcpu->arch.osvw.status = data; in kvm_set_msr_common()
3328 cpuid_fault_enabled(vcpu))) in kvm_set_msr_common()
3330 vcpu->arch.msr_platform_info = data; in kvm_set_msr_common()
3335 !supports_cpuid_fault(vcpu))) in kvm_set_msr_common()
3337 vcpu->arch.msr_misc_features_enables = data; in kvm_set_msr_common()
3340 if (msr && (msr == vcpu->kvm->arch.xen_hvm_config.msr)) in kvm_set_msr_common()
3341 return xen_hvm_config(vcpu, data); in kvm_set_msr_common()
3342 if (kvm_pmu_is_valid_msr(vcpu, msr)) in kvm_set_msr_common()
3343 return kvm_pmu_set_msr(vcpu, msr_info); in kvm_set_msr_common()
3350 static int get_msr_mce(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host) in get_msr_mce() argument
3353 u64 mcg_cap = vcpu->arch.mcg_cap; in get_msr_mce()
3362 data = vcpu->arch.mcg_cap; in get_msr_mce()
3367 data = vcpu->arch.mcg_ctl; in get_msr_mce()
3370 data = vcpu->arch.mcg_status; in get_msr_mce()
3379 data = vcpu->arch.mce_banks[offset]; in get_msr_mce()
3388 int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_get_msr_common() argument
3427 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3428 return kvm_pmu_get_msr(vcpu, msr_info); in kvm_get_msr_common()
3432 msr_info->data = vcpu->arch.microcode_version; in kvm_get_msr_common()
3436 !guest_cpuid_has(vcpu, X86_FEATURE_ARCH_CAPABILITIES)) in kvm_get_msr_common()
3438 msr_info->data = vcpu->arch.arch_capabilities; in kvm_get_msr_common()
3442 !guest_cpuid_has(vcpu, X86_FEATURE_PDCM)) in kvm_get_msr_common()
3444 msr_info->data = vcpu->arch.perf_capabilities; in kvm_get_msr_common()
3447 msr_info->data = vcpu->arch.msr_ia32_power_ctl; in kvm_get_msr_common()
3459 u64 tsc_offset = msr_info->host_initiated ? vcpu->arch.l1_tsc_offset : in kvm_get_msr_common()
3460 vcpu->arch.tsc_offset; in kvm_get_msr_common()
3462 msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + tsc_offset; in kvm_get_msr_common()
3467 return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3486 msr_info->data = kvm_get_apic_base(vcpu); in kvm_get_msr_common()
3489 return kvm_x2apic_msr_read(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3491 msr_info->data = kvm_get_lapic_tscdeadline_msr(vcpu); in kvm_get_msr_common()
3494 msr_info->data = (u64)vcpu->arch.ia32_tsc_adjust_msr; in kvm_get_msr_common()
3497 msr_info->data = vcpu->arch.ia32_misc_enable_msr; in kvm_get_msr_common()
3502 msr_info->data = vcpu->arch.smbase; in kvm_get_msr_common()
3505 msr_info->data = vcpu->arch.smi_count; in kvm_get_msr_common()
3514 msr_info->data = vcpu->arch.efer; in kvm_get_msr_common()
3517 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_get_msr_common()
3520 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3523 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_get_msr_common()
3526 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3529 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_get_msr_common()
3532 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3535 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_get_msr_common()
3538 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3541 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) in kvm_get_msr_common()
3544 msr_info->data = vcpu->arch.apf.msr_en_val; in kvm_get_msr_common()
3547 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_get_msr_common()
3550 msr_info->data = vcpu->arch.apf.msr_int_val; in kvm_get_msr_common()
3553 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_get_msr_common()
3559 if (!guest_pv_has(vcpu, KVM_FEATURE_STEAL_TIME)) in kvm_get_msr_common()
3562 msr_info->data = vcpu->arch.st.msr_val; in kvm_get_msr_common()
3565 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_EOI)) in kvm_get_msr_common()
3568 msr_info->data = vcpu->arch.pv_eoi.msr_val; in kvm_get_msr_common()
3571 if (!guest_pv_has(vcpu, KVM_FEATURE_POLL_CONTROL)) in kvm_get_msr_common()
3574 msr_info->data = vcpu->arch.msr_kvm_poll_control; in kvm_get_msr_common()
3582 return get_msr_mce(vcpu, msr_info->index, &msr_info->data, in kvm_get_msr_common()
3586 !guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)) in kvm_get_msr_common()
3588 msr_info->data = vcpu->arch.ia32_xss; in kvm_get_msr_common()
3611 return kvm_hv_get_msr_common(vcpu, in kvm_get_msr_common()
3628 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_get_msr_common()
3630 msr_info->data = vcpu->arch.osvw.length; in kvm_get_msr_common()
3633 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_get_msr_common()
3635 msr_info->data = vcpu->arch.osvw.status; in kvm_get_msr_common()
3639 !vcpu->kvm->arch.guest_can_read_msr_platform_info) in kvm_get_msr_common()
3641 msr_info->data = vcpu->arch.msr_platform_info; in kvm_get_msr_common()
3644 msr_info->data = vcpu->arch.msr_misc_features_enables; in kvm_get_msr_common()
3647 msr_info->data = vcpu->arch.msr_hwcr; in kvm_get_msr_common()
3650 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3651 return kvm_pmu_get_msr(vcpu, msr_info); in kvm_get_msr_common()
3663 static int __msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs *msrs, in __msr_io() argument
3665 int (*do_msr)(struct kvm_vcpu *vcpu, in __msr_io() argument
3671 if (do_msr(vcpu, entries[i].index, &entries[i].data)) in __msr_io()
3682 static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, in msr_io() argument
3683 int (*do_msr)(struct kvm_vcpu *vcpu, in msr_io() argument
3707 r = n = __msr_io(vcpu, &msrs, entries, do_msr); in msr_io()
3964 static bool need_emulate_wbinvd(struct kvm_vcpu *vcpu) in need_emulate_wbinvd() argument
3966 return kvm_arch_has_noncoherent_dma(vcpu->kvm); in need_emulate_wbinvd()
3969 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_vcpu_load() argument
3972 if (need_emulate_wbinvd(vcpu)) { in kvm_arch_vcpu_load()
3974 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_load()
3975 else if (vcpu->cpu != -1 && vcpu->cpu != cpu) in kvm_arch_vcpu_load()
3976 smp_call_function_single(vcpu->cpu, in kvm_arch_vcpu_load()
3980 kvm_x86_ops.vcpu_load(vcpu, cpu); in kvm_arch_vcpu_load()
3983 vcpu->arch.host_pkru = read_pkru(); in kvm_arch_vcpu_load()
3986 if (unlikely(vcpu->arch.tsc_offset_adjustment)) { in kvm_arch_vcpu_load()
3987 adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment); in kvm_arch_vcpu_load()
3988 vcpu->arch.tsc_offset_adjustment = 0; in kvm_arch_vcpu_load()
3989 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_arch_vcpu_load()
3992 if (unlikely(vcpu->cpu != cpu) || kvm_check_tsc_unstable()) { in kvm_arch_vcpu_load()
3993 s64 tsc_delta = !vcpu->arch.last_host_tsc ? 0 : in kvm_arch_vcpu_load()
3994 rdtsc() - vcpu->arch.last_host_tsc; in kvm_arch_vcpu_load()
3999 u64 offset = kvm_compute_tsc_offset(vcpu, in kvm_arch_vcpu_load()
4000 vcpu->arch.last_guest_tsc); in kvm_arch_vcpu_load()
4001 kvm_vcpu_write_tsc_offset(vcpu, offset); in kvm_arch_vcpu_load()
4002 vcpu->arch.tsc_catchup = 1; in kvm_arch_vcpu_load()
4005 if (kvm_lapic_hv_timer_in_use(vcpu)) in kvm_arch_vcpu_load()
4006 kvm_lapic_restart_hv_timer(vcpu); in kvm_arch_vcpu_load()
4010 * kvmclock on vcpu->cpu migration in kvm_arch_vcpu_load()
4012 if (!vcpu->kvm->arch.use_master_clock || vcpu->cpu == -1) in kvm_arch_vcpu_load()
4013 kvm_make_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu); in kvm_arch_vcpu_load()
4014 if (vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4015 kvm_make_request(KVM_REQ_MIGRATE_TIMER, vcpu); in kvm_arch_vcpu_load()
4016 vcpu->cpu = cpu; in kvm_arch_vcpu_load()
4019 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_arch_vcpu_load()
4022 static void kvm_steal_time_set_preempted(struct kvm_vcpu *vcpu) in kvm_steal_time_set_preempted() argument
4028 * The vCPU can be marked preempted if and only if the VM-Exit was on in kvm_steal_time_set_preempted()
4031 * when this is true, for example allowing the vCPU to be marked in kvm_steal_time_set_preempted()
4034 if (!vcpu->arch.at_instruction_boundary) { in kvm_steal_time_set_preempted()
4035 vcpu->stat.preemption_other++; in kvm_steal_time_set_preempted()
4039 vcpu->stat.preemption_reported++; in kvm_steal_time_set_preempted()
4040 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in kvm_steal_time_set_preempted()
4043 if (vcpu->arch.st.preempted) in kvm_steal_time_set_preempted()
4046 if (kvm_map_gfn(vcpu, vcpu->arch.st.msr_val >> PAGE_SHIFT, &map, in kvm_steal_time_set_preempted()
4047 &vcpu->arch.st.cache, true)) in kvm_steal_time_set_preempted()
4051 offset_in_page(vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS); in kvm_steal_time_set_preempted()
4053 st->preempted = vcpu->arch.st.preempted = KVM_VCPU_PREEMPTED; in kvm_steal_time_set_preempted()
4055 kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, true); in kvm_steal_time_set_preempted()
4058 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_put() argument
4062 if (vcpu->preempted) in kvm_arch_vcpu_put()
4063 vcpu->arch.preempted_in_kernel = !kvm_x86_ops.get_cpl(vcpu); in kvm_arch_vcpu_put()
4078 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_put()
4079 kvm_steal_time_set_preempted(vcpu); in kvm_arch_vcpu_put()
4080 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_put()
4082 kvm_x86_ops.vcpu_put(vcpu); in kvm_arch_vcpu_put()
4083 vcpu->arch.last_host_tsc = rdtsc(); in kvm_arch_vcpu_put()
4092 static int kvm_vcpu_ioctl_get_lapic(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_get_lapic() argument
4095 if (vcpu->arch.apicv_active) in kvm_vcpu_ioctl_get_lapic()
4096 kvm_x86_ops.sync_pir_to_irr(vcpu); in kvm_vcpu_ioctl_get_lapic()
4098 return kvm_apic_get_state(vcpu, s); in kvm_vcpu_ioctl_get_lapic()
4101 static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_set_lapic() argument
4106 r = kvm_apic_set_state(vcpu, s); in kvm_vcpu_ioctl_set_lapic()
4109 update_cr8_intercept(vcpu); in kvm_vcpu_ioctl_set_lapic()
4114 static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu) in kvm_cpu_accept_dm_intr() argument
4122 if (kvm_cpu_has_extint(vcpu)) in kvm_cpu_accept_dm_intr()
4126 return (!lapic_in_kernel(vcpu) || in kvm_cpu_accept_dm_intr()
4127 kvm_apic_accept_pic_intr(vcpu)); in kvm_cpu_accept_dm_intr()
4130 static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu) in kvm_vcpu_ready_for_interrupt_injection() argument
4139 return (kvm_arch_interrupt_allowed(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4140 kvm_cpu_accept_dm_intr(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4141 !kvm_event_needs_reinjection(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4142 !vcpu->arch.exception.pending); in kvm_vcpu_ready_for_interrupt_injection()
4145 static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_interrupt() argument
4151 if (!irqchip_in_kernel(vcpu->kvm)) { in kvm_vcpu_ioctl_interrupt()
4152 kvm_queue_interrupt(vcpu, irq->irq, false); in kvm_vcpu_ioctl_interrupt()
4153 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_interrupt()
4161 if (pic_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_interrupt()
4164 if (vcpu->arch.pending_external_vector != -1) in kvm_vcpu_ioctl_interrupt()
4167 vcpu->arch.pending_external_vector = irq->irq; in kvm_vcpu_ioctl_interrupt()
4168 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_interrupt()
4172 static int kvm_vcpu_ioctl_nmi(struct kvm_vcpu *vcpu) in kvm_vcpu_ioctl_nmi() argument
4174 kvm_inject_nmi(vcpu); in kvm_vcpu_ioctl_nmi()
4179 static int kvm_vcpu_ioctl_smi(struct kvm_vcpu *vcpu) in kvm_vcpu_ioctl_smi() argument
4181 kvm_make_request(KVM_REQ_SMI, vcpu); in kvm_vcpu_ioctl_smi()
4186 static int vcpu_ioctl_tpr_access_reporting(struct kvm_vcpu *vcpu, in vcpu_ioctl_tpr_access_reporting() argument
4191 vcpu->arch.tpr_access_reporting = !!tac->enabled; in vcpu_ioctl_tpr_access_reporting()
4195 static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_setup_mce() argument
4207 vcpu->arch.mcg_cap = mcg_cap; in kvm_vcpu_ioctl_x86_setup_mce()
4210 vcpu->arch.mcg_ctl = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4213 vcpu->arch.mce_banks[bank*4] = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4215 kvm_x86_ops.setup_mce(vcpu); in kvm_vcpu_ioctl_x86_setup_mce()
4220 static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_mce() argument
4223 u64 mcg_cap = vcpu->arch.mcg_cap; in kvm_vcpu_ioctl_x86_set_mce()
4225 u64 *banks = vcpu->arch.mce_banks; in kvm_vcpu_ioctl_x86_set_mce()
4234 vcpu->arch.mcg_ctl != ~(u64)0) in kvm_vcpu_ioctl_x86_set_mce()
4244 if ((vcpu->arch.mcg_status & MCG_STATUS_MCIP) || in kvm_vcpu_ioctl_x86_set_mce()
4245 !kvm_read_cr4_bits(vcpu, X86_CR4_MCE)) { in kvm_vcpu_ioctl_x86_set_mce()
4246 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_vcpu_ioctl_x86_set_mce()
4253 vcpu->arch.mcg_status = mce->mcg_status; in kvm_vcpu_ioctl_x86_set_mce()
4255 kvm_queue_exception(vcpu, MC_VECTOR); in kvm_vcpu_ioctl_x86_set_mce()
4268 static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_vcpu_events() argument
4271 process_nmi(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4273 if (kvm_check_request(KVM_REQ_SMI, vcpu)) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4274 process_smi(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4287 if (!vcpu->kvm->arch.exception_payload_enabled && in kvm_vcpu_ioctl_x86_get_vcpu_events()
4288 vcpu->arch.exception.pending && vcpu->arch.exception.has_payload) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4289 kvm_deliver_exception_payload(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4297 if (kvm_exception_is_soft(vcpu->arch.exception.nr)) { in kvm_vcpu_ioctl_x86_get_vcpu_events()
4301 events->exception.injected = vcpu->arch.exception.injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4302 events->exception.pending = vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4308 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4310 vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4312 events->exception.nr = vcpu->arch.exception.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4313 events->exception.has_error_code = vcpu->arch.exception.has_error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4314 events->exception.error_code = vcpu->arch.exception.error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4315 events->exception_has_payload = vcpu->arch.exception.has_payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4316 events->exception_payload = vcpu->arch.exception.payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4319 vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4320 events->interrupt.nr = vcpu->arch.interrupt.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4322 events->interrupt.shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4324 events->nmi.injected = vcpu->arch.nmi_injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4325 events->nmi.pending = vcpu->arch.nmi_pending != 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4326 events->nmi.masked = kvm_x86_ops.get_nmi_mask(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4331 events->smi.smm = is_smm(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4332 events->smi.pending = vcpu->arch.smi_pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4334 !!(vcpu->arch.hflags & HF_SMM_INSIDE_NMI_MASK); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4335 events->smi.latched_init = kvm_lapic_latched_init(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4340 if (vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4346 static void kvm_smm_changed(struct kvm_vcpu *vcpu);
4348 static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_vcpu_events() argument
4359 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4377 vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4380 process_nmi(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4381 vcpu->arch.exception.injected = events->exception.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4382 vcpu->arch.exception.pending = events->exception.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4383 vcpu->arch.exception.nr = events->exception.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4384 vcpu->arch.exception.has_error_code = events->exception.has_error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4385 vcpu->arch.exception.error_code = events->exception.error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4386 vcpu->arch.exception.has_payload = events->exception_has_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4387 vcpu->arch.exception.payload = events->exception_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4389 vcpu->arch.interrupt.injected = events->interrupt.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4390 vcpu->arch.interrupt.nr = events->interrupt.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4391 vcpu->arch.interrupt.soft = events->interrupt.soft; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4393 kvm_x86_ops.set_interrupt_shadow(vcpu, in kvm_vcpu_ioctl_x86_set_vcpu_events()
4396 vcpu->arch.nmi_injected = events->nmi.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4398 vcpu->arch.nmi_pending = events->nmi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4399 kvm_x86_ops.set_nmi_mask(vcpu, events->nmi.masked); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4402 lapic_in_kernel(vcpu)) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4403 vcpu->arch.apic->sipi_vector = events->sipi_vector; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4406 if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4408 vcpu->arch.hflags |= HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4410 vcpu->arch.hflags &= ~HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4411 kvm_smm_changed(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4414 vcpu->arch.smi_pending = events->smi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4418 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4420 vcpu->arch.hflags &= ~HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4423 if (lapic_in_kernel(vcpu)) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4425 set_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4427 clear_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4431 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4436 static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_debugregs() argument
4441 memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_get_debugregs()
4442 kvm_get_dr(vcpu, 6, &val); in kvm_vcpu_ioctl_x86_get_debugregs()
4444 dbgregs->dr7 = vcpu->arch.dr7; in kvm_vcpu_ioctl_x86_get_debugregs()
4449 static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_debugregs() argument
4460 memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_set_debugregs()
4461 kvm_update_dr0123(vcpu); in kvm_vcpu_ioctl_x86_set_debugregs()
4462 vcpu->arch.dr6 = dbgregs->dr6; in kvm_vcpu_ioctl_x86_set_debugregs()
4463 vcpu->arch.dr7 = dbgregs->dr7; in kvm_vcpu_ioctl_x86_set_debugregs()
4464 kvm_update_dr7(vcpu); in kvm_vcpu_ioctl_x86_set_debugregs()
4471 static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu) in fill_xsave() argument
4473 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in fill_xsave()
4484 xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE; in fill_xsave()
4502 memcpy(dest + offset, &vcpu->arch.pkru, in fill_xsave()
4503 sizeof(vcpu->arch.pkru)); in fill_xsave()
4513 static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) in load_xsave() argument
4515 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in load_xsave()
4545 memcpy(&vcpu->arch.pkru, src + offset, in load_xsave()
4546 sizeof(vcpu->arch.pkru)); in load_xsave()
4555 static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_xsave() argument
4560 fill_xsave((u8 *) guest_xsave->region, vcpu); in kvm_vcpu_ioctl_x86_get_xsave()
4563 &vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_get_xsave()
4572 static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_xsave() argument
4587 load_xsave(vcpu, (u8 *)guest_xsave->region); in kvm_vcpu_ioctl_x86_set_xsave()
4592 memcpy(&vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_set_xsave()
4598 static void kvm_vcpu_ioctl_x86_get_xcrs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_xcrs() argument
4609 guest_xcrs->xcrs[0].value = vcpu->arch.xcr0; in kvm_vcpu_ioctl_x86_get_xcrs()
4612 static int kvm_vcpu_ioctl_x86_set_xcrs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_xcrs() argument
4626 r = __kvm_set_xcr(vcpu, XCR_XFEATURE_ENABLED_MASK, in kvm_vcpu_ioctl_x86_set_xcrs()
4641 static int kvm_set_guest_paused(struct kvm_vcpu *vcpu) in kvm_set_guest_paused() argument
4643 if (!vcpu->arch.pv_time_enabled) in kvm_set_guest_paused()
4645 vcpu->arch.pvclock_set_guest_stopped_request = true; in kvm_set_guest_paused()
4646 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_set_guest_paused()
4650 static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_enable_cap() argument
4667 if (!irqchip_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_enable_cap()
4669 return kvm_hv_activate_synic(vcpu, cap->cap == in kvm_vcpu_ioctl_enable_cap()
4674 r = kvm_x86_ops.nested_ops->enable_evmcs(vcpu, &vmcs_version); in kvm_vcpu_ioctl_enable_cap()
4686 return kvm_x86_ops.enable_direct_tlbflush(vcpu); in kvm_vcpu_ioctl_enable_cap()
4689 vcpu->arch.pv_cpuid.enforce = cap->args[0]; in kvm_vcpu_ioctl_enable_cap()
4690 if (vcpu->arch.pv_cpuid.enforce) in kvm_vcpu_ioctl_enable_cap()
4691 kvm_update_pv_runtime(vcpu); in kvm_vcpu_ioctl_enable_cap()
4703 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_ioctl() local
4713 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl()
4719 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4727 r = kvm_vcpu_ioctl_get_lapic(vcpu, u.lapic); in kvm_arch_vcpu_ioctl()
4738 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4746 r = kvm_vcpu_ioctl_set_lapic(vcpu, u.lapic); in kvm_arch_vcpu_ioctl()
4755 r = kvm_vcpu_ioctl_interrupt(vcpu, &irq); in kvm_arch_vcpu_ioctl()
4759 r = kvm_vcpu_ioctl_nmi(vcpu); in kvm_arch_vcpu_ioctl()
4763 r = kvm_vcpu_ioctl_smi(vcpu); in kvm_arch_vcpu_ioctl()
4773 r = kvm_vcpu_ioctl_set_cpuid(vcpu, &cpuid, cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
4783 r = kvm_vcpu_ioctl_set_cpuid2(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
4794 r = kvm_vcpu_ioctl_get_cpuid2(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
4805 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4806 r = msr_io(vcpu, argp, do_get_msr, 1); in kvm_arch_vcpu_ioctl()
4807 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4811 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4812 r = msr_io(vcpu, argp, do_set_msr, 0); in kvm_arch_vcpu_ioctl()
4813 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4822 r = vcpu_ioctl_tpr_access_reporting(vcpu, &tac); in kvm_arch_vcpu_ioctl()
4836 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4841 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4842 r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); in kvm_arch_vcpu_ioctl()
4843 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4852 r = kvm_vcpu_ioctl_x86_setup_mce(vcpu, mcg_cap); in kvm_arch_vcpu_ioctl()
4861 r = kvm_vcpu_ioctl_x86_set_mce(vcpu, &mce); in kvm_arch_vcpu_ioctl()
4867 kvm_vcpu_ioctl_x86_get_vcpu_events(vcpu, &events); in kvm_arch_vcpu_ioctl()
4882 r = kvm_vcpu_ioctl_x86_set_vcpu_events(vcpu, &events); in kvm_arch_vcpu_ioctl()
4888 kvm_vcpu_ioctl_x86_get_debugregs(vcpu, &dbgregs); in kvm_arch_vcpu_ioctl()
4905 r = kvm_vcpu_ioctl_x86_set_debugregs(vcpu, &dbgregs); in kvm_arch_vcpu_ioctl()
4914 kvm_vcpu_ioctl_x86_get_xsave(vcpu, u.xsave); in kvm_arch_vcpu_ioctl()
4929 r = kvm_vcpu_ioctl_x86_set_xsave(vcpu, u.xsave); in kvm_arch_vcpu_ioctl()
4938 kvm_vcpu_ioctl_x86_get_xcrs(vcpu, u.xcrs); in kvm_arch_vcpu_ioctl()
4954 r = kvm_vcpu_ioctl_x86_set_xcrs(vcpu, u.xcrs); in kvm_arch_vcpu_ioctl()
4970 if (!kvm_set_tsc_khz(vcpu, user_tsc_khz)) in kvm_arch_vcpu_ioctl()
4976 r = vcpu->arch.virtual_tsc_khz; in kvm_arch_vcpu_ioctl()
4980 r = kvm_set_guest_paused(vcpu); in kvm_arch_vcpu_ioctl()
4989 r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap); in kvm_arch_vcpu_ioctl()
5005 r = kvm_x86_ops.nested_ops->get_state(vcpu, user_kvm_nested_state, in kvm_arch_vcpu_ioctl()
5049 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
5050 r = kvm_x86_ops.nested_ops->set_state(vcpu, user_kvm_nested_state, &kvm_state); in kvm_arch_vcpu_ioctl()
5051 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
5062 r = kvm_vcpu_ioctl_get_hv_cpuid(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
5079 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl()
5083 vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) in kvm_arch_vcpu_fault() argument
5885 static int vcpu_mmio_write(struct kvm_vcpu *vcpu, gpa_t addr, int len, in vcpu_mmio_write() argument
5893 if (!(lapic_in_kernel(vcpu) && in vcpu_mmio_write()
5894 !kvm_iodevice_write(vcpu, &vcpu->arch.apic->dev, addr, n, v)) in vcpu_mmio_write()
5895 && kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, n, v)) in vcpu_mmio_write()
5906 static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v) in vcpu_mmio_read() argument
5913 if (!(lapic_in_kernel(vcpu) && in vcpu_mmio_read()
5914 !kvm_iodevice_read(vcpu, &vcpu->arch.apic->dev, in vcpu_mmio_read()
5916 && kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, n, v)) in vcpu_mmio_read()
5928 static void kvm_set_segment(struct kvm_vcpu *vcpu, in kvm_set_segment() argument
5931 kvm_x86_ops.set_segment(vcpu, var, seg); in kvm_set_segment()
5934 void kvm_get_segment(struct kvm_vcpu *vcpu, in kvm_get_segment() argument
5937 kvm_x86_ops.get_segment(vcpu, var, seg); in kvm_get_segment()
5940 gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, in translate_nested_gpa() argument
5945 BUG_ON(!mmu_is_nested(vcpu)); in translate_nested_gpa()
5949 t_gpa = vcpu->arch.mmu->gva_to_gpa(vcpu, gpa, access, exception); in translate_nested_gpa()
5954 gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_read() argument
5957 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_read()
5958 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_read()
5961 gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_fetch() argument
5964 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_fetch()
5966 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_fetch()
5969 gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_write() argument
5972 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_write()
5974 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_write()
5978 gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_system() argument
5981 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, 0, exception); in kvm_mmu_gva_to_gpa_system()
5985 struct kvm_vcpu *vcpu, u32 access, in kvm_read_guest_virt_helper() argument
5992 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access, in kvm_read_guest_virt_helper()
6000 ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, data, in kvm_read_guest_virt_helper()
6020 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in kvm_fetch_guest_virt() local
6021 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_fetch_guest_virt()
6026 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access|PFERR_FETCH_MASK, in kvm_fetch_guest_virt()
6034 ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, val, in kvm_fetch_guest_virt()
6042 int kvm_read_guest_virt(struct kvm_vcpu *vcpu, in kvm_read_guest_virt() argument
6046 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_read_guest_virt()
6055 return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, in kvm_read_guest_virt()
6064 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_read_std() local
6067 if (!system && kvm_x86_ops.get_cpl(vcpu) == 3) in emulator_read_std()
6070 return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, exception); in emulator_read_std()
6076 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in kvm_read_guest_phys_system() local
6077 int r = kvm_vcpu_read_guest(vcpu, addr, val, bytes); in kvm_read_guest_phys_system()
6083 struct kvm_vcpu *vcpu, u32 access, in kvm_write_guest_virt_helper() argument
6090 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, in kvm_write_guest_virt_helper()
6099 ret = kvm_vcpu_write_guest(vcpu, gpa, data, towrite); in kvm_write_guest_virt_helper()
6117 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_write_std() local
6120 if (!system && kvm_x86_ops.get_cpl(vcpu) == 3) in emulator_write_std()
6123 return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, in emulator_write_std()
6127 int kvm_write_guest_virt_system(struct kvm_vcpu *vcpu, gva_t addr, void *val, in kvm_write_guest_virt_system() argument
6131 vcpu->arch.l1tf_flush_l1d = true; in kvm_write_guest_virt_system()
6133 return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, in kvm_write_guest_virt_system()
6138 int handle_ud(struct kvm_vcpu *vcpu) in handle_ud() argument
6145 if (unlikely(!kvm_x86_ops.can_emulate_instruction(vcpu, NULL, 0))) in handle_ud()
6149 kvm_read_guest_virt(vcpu, kvm_get_linear_rip(vcpu), in handle_ud()
6152 kvm_rip_write(vcpu, kvm_rip_read(vcpu) + sizeof(sig)); in handle_ud()
6156 return kvm_emulate_instruction(vcpu, emul_type); in handle_ud()
6160 static int vcpu_is_mmio_gpa(struct kvm_vcpu *vcpu, unsigned long gva, in vcpu_is_mmio_gpa() argument
6167 if (vcpu_match_mmio_gpa(vcpu, gpa)) { in vcpu_is_mmio_gpa()
6175 static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva, in vcpu_mmio_gva_to_gpa() argument
6179 u32 access = ((kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0) in vcpu_mmio_gva_to_gpa()
6187 if (vcpu_match_mmio_gva(vcpu, gva) in vcpu_mmio_gva_to_gpa()
6188 && !permission_fault(vcpu, vcpu->arch.walk_mmu, in vcpu_mmio_gva_to_gpa()
6189 vcpu->arch.mmio_access, 0, access)) { in vcpu_mmio_gva_to_gpa()
6190 *gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT | in vcpu_mmio_gva_to_gpa()
6196 *gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in vcpu_mmio_gva_to_gpa()
6201 return vcpu_is_mmio_gpa(vcpu, gva, *gpa, write); in vcpu_mmio_gva_to_gpa()
6204 int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, in emulator_write_phys() argument
6209 ret = kvm_vcpu_write_guest(vcpu, gpa, val, bytes); in emulator_write_phys()
6212 kvm_page_track_write(vcpu, gpa, val, bytes); in emulator_write_phys()
6217 int (*read_write_prepare)(struct kvm_vcpu *vcpu, void *val,
6219 int (*read_write_emulate)(struct kvm_vcpu *vcpu, gpa_t gpa,
6221 int (*read_write_mmio)(struct kvm_vcpu *vcpu, gpa_t gpa,
6223 int (*read_write_exit_mmio)(struct kvm_vcpu *vcpu, gpa_t gpa,
6228 static int read_prepare(struct kvm_vcpu *vcpu, void *val, int bytes) in read_prepare() argument
6230 if (vcpu->mmio_read_completed) { in read_prepare()
6232 vcpu->mmio_fragments[0].gpa, val); in read_prepare()
6233 vcpu->mmio_read_completed = 0; in read_prepare()
6240 static int read_emulate(struct kvm_vcpu *vcpu, gpa_t gpa, in read_emulate() argument
6243 return !kvm_vcpu_read_guest(vcpu, gpa, val, bytes); in read_emulate()
6246 static int write_emulate(struct kvm_vcpu *vcpu, gpa_t gpa, in write_emulate() argument
6249 return emulator_write_phys(vcpu, gpa, val, bytes); in write_emulate()
6252 static int write_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes, void *val) in write_mmio() argument
6255 return vcpu_mmio_write(vcpu, gpa, bytes, val); in write_mmio()
6258 static int read_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, in read_exit_mmio() argument
6265 static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, in write_exit_mmio() argument
6268 struct kvm_mmio_fragment *frag = &vcpu->mmio_fragments[0]; in write_exit_mmio()
6270 memcpy(vcpu->run->mmio.data, frag->data, min(8u, frag->len)); in write_exit_mmio()
6291 struct kvm_vcpu *vcpu, in emulator_read_write_onepage() argument
6298 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in emulator_read_write_onepage()
6310 ret = vcpu_is_mmio_gpa(vcpu, addr, gpa, write); in emulator_read_write_onepage()
6312 ret = vcpu_mmio_gva_to_gpa(vcpu, addr, &gpa, exception, write); in emulator_read_write_onepage()
6317 if (!ret && ops->read_write_emulate(vcpu, gpa, val, bytes)) in emulator_read_write_onepage()
6323 handled = ops->read_write_mmio(vcpu, gpa, bytes, val); in emulator_read_write_onepage()
6331 WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS); in emulator_read_write_onepage()
6332 frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; in emulator_read_write_onepage()
6345 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_read_write() local
6350 ops->read_write_prepare(vcpu, val, bytes)) in emulator_read_write()
6353 vcpu->mmio_nr_fragments = 0; in emulator_read_write()
6361 vcpu, ops); in emulator_read_write()
6373 vcpu, ops); in emulator_read_write()
6377 if (!vcpu->mmio_nr_fragments) in emulator_read_write()
6380 gpa = vcpu->mmio_fragments[0].gpa; in emulator_read_write()
6382 vcpu->mmio_needed = 1; in emulator_read_write()
6383 vcpu->mmio_cur_fragment = 0; in emulator_read_write()
6385 vcpu->run->mmio.len = min(8u, vcpu->mmio_fragments[0].len); in emulator_read_write()
6386 vcpu->run->mmio.is_write = vcpu->mmio_is_write = ops->write; in emulator_read_write()
6387 vcpu->run->exit_reason = KVM_EXIT_MMIO; in emulator_read_write()
6388 vcpu->run->mmio.phys_addr = gpa; in emulator_read_write()
6390 return ops->read_write_exit_mmio(vcpu, gpa, val, bytes); in emulator_read_write()
6431 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_cmpxchg_emulated() local
6441 gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, NULL); in emulator_cmpxchg_emulated()
6459 if (kvm_vcpu_map(vcpu, gpa_to_gfn(gpa), &map)) in emulator_cmpxchg_emulated()
6481 kvm_vcpu_unmap(vcpu, &map, true); in emulator_cmpxchg_emulated()
6486 kvm_page_track_write(vcpu, gpa, new, bytes); in emulator_cmpxchg_emulated()
6496 static int kernel_pio(struct kvm_vcpu *vcpu, void *pd) in kernel_pio() argument
6500 for (i = 0; i < vcpu->arch.pio.count; i++) { in kernel_pio()
6501 if (vcpu->arch.pio.in) in kernel_pio()
6502 r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port, in kernel_pio()
6503 vcpu->arch.pio.size, pd); in kernel_pio()
6505 r = kvm_io_bus_write(vcpu, KVM_PIO_BUS, in kernel_pio()
6506 vcpu->arch.pio.port, vcpu->arch.pio.size, in kernel_pio()
6510 pd += vcpu->arch.pio.size; in kernel_pio()
6515 static int emulator_pio_in_out(struct kvm_vcpu *vcpu, int size, in emulator_pio_in_out() argument
6519 vcpu->arch.pio.port = port; in emulator_pio_in_out()
6520 vcpu->arch.pio.in = in; in emulator_pio_in_out()
6521 vcpu->arch.pio.count = count; in emulator_pio_in_out()
6522 vcpu->arch.pio.size = size; in emulator_pio_in_out()
6524 if (!kernel_pio(vcpu, vcpu->arch.pio_data)) { in emulator_pio_in_out()
6525 vcpu->arch.pio.count = 0; in emulator_pio_in_out()
6529 vcpu->run->exit_reason = KVM_EXIT_IO; in emulator_pio_in_out()
6530 vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT; in emulator_pio_in_out()
6531 vcpu->run->io.size = size; in emulator_pio_in_out()
6532 vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE; in emulator_pio_in_out()
6533 vcpu->run->io.count = count; in emulator_pio_in_out()
6534 vcpu->run->io.port = port; in emulator_pio_in_out()
6539 static int emulator_pio_in(struct kvm_vcpu *vcpu, int size, in emulator_pio_in() argument
6544 if (vcpu->arch.pio.count) in emulator_pio_in()
6547 memset(vcpu->arch.pio_data, 0, size * count); in emulator_pio_in()
6549 ret = emulator_pio_in_out(vcpu, size, port, val, count, true); in emulator_pio_in()
6552 memcpy(val, vcpu->arch.pio_data, size * count); in emulator_pio_in()
6553 trace_kvm_pio(KVM_PIO_IN, port, size, count, vcpu->arch.pio_data); in emulator_pio_in()
6554 vcpu->arch.pio.count = 0; in emulator_pio_in()
6569 static int emulator_pio_out(struct kvm_vcpu *vcpu, int size, in emulator_pio_out() argument
6573 memcpy(vcpu->arch.pio_data, val, size * count); in emulator_pio_out()
6574 trace_kvm_pio(KVM_PIO_OUT, port, size, count, vcpu->arch.pio_data); in emulator_pio_out()
6575 return emulator_pio_in_out(vcpu, size, port, (void *)val, count, false); in emulator_pio_out()
6585 static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg) in get_segment_base() argument
6587 return kvm_x86_ops.get_segment_base(vcpu, seg); in get_segment_base()
6595 static int kvm_emulate_wbinvd_noskip(struct kvm_vcpu *vcpu) in kvm_emulate_wbinvd_noskip() argument
6597 if (!need_emulate_wbinvd(vcpu)) in kvm_emulate_wbinvd_noskip()
6603 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6604 smp_call_function_many(vcpu->arch.wbinvd_dirty_mask, in kvm_emulate_wbinvd_noskip()
6607 cpumask_clear(vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6613 int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu) in kvm_emulate_wbinvd() argument
6615 kvm_emulate_wbinvd_noskip(vcpu); in kvm_emulate_wbinvd()
6616 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_wbinvd()
6647 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_cr() local
6652 value = kvm_read_cr0(vcpu); in emulator_get_cr()
6655 value = vcpu->arch.cr2; in emulator_get_cr()
6658 value = kvm_read_cr3(vcpu); in emulator_get_cr()
6661 value = kvm_read_cr4(vcpu); in emulator_get_cr()
6664 value = kvm_get_cr8(vcpu); in emulator_get_cr()
6676 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_cr() local
6681 res = kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val)); in emulator_set_cr()
6684 vcpu->arch.cr2 = val; in emulator_set_cr()
6687 res = kvm_set_cr3(vcpu, val); in emulator_set_cr()
6690 res = kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val)); in emulator_set_cr()
6693 res = kvm_set_cr8(vcpu, val); in emulator_set_cr()
6774 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_segment() local
6796 kvm_set_segment(vcpu, &var, seg); in emulator_set_segment()
6803 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_msr() local
6806 r = kvm_get_msr(vcpu, msr_index, pdata); in emulator_get_msr()
6808 if (r && kvm_get_msr_user_space(vcpu, msr_index, r)) { in emulator_get_msr()
6819 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_msr() local
6822 r = kvm_set_msr(vcpu, msr_index, data); in emulator_set_msr()
6824 if (r && kvm_set_msr_user_space(vcpu, msr_index, data, r)) { in emulator_set_msr()
6834 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_smbase() local
6836 return vcpu->arch.smbase; in emulator_get_smbase()
6841 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_smbase() local
6843 vcpu->arch.smbase = smbase; in emulator_set_smbase()
6915 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_hflags() local
6917 vcpu->arch.hflags = emul_flags; in emulator_set_hflags()
6918 kvm_mmu_reset_context(vcpu); in emulator_set_hflags()
6984 static void toggle_interruptibility(struct kvm_vcpu *vcpu, u32 mask) in toggle_interruptibility() argument
6986 u32 int_shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in toggle_interruptibility()
6997 kvm_x86_ops.set_interrupt_shadow(vcpu, mask); in toggle_interruptibility()
6999 kvm_make_request(KVM_REQ_EVENT, vcpu); in toggle_interruptibility()
7003 static bool inject_emulated_exception(struct kvm_vcpu *vcpu) in inject_emulated_exception() argument
7005 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in inject_emulated_exception()
7007 return kvm_inject_emulated_page_fault(vcpu, &ctxt->exception); in inject_emulated_exception()
7010 kvm_queue_exception_e(vcpu, ctxt->exception.vector, in inject_emulated_exception()
7013 kvm_queue_exception(vcpu, ctxt->exception.vector); in inject_emulated_exception()
7017 static struct x86_emulate_ctxt *alloc_emulate_ctxt(struct kvm_vcpu *vcpu) in alloc_emulate_ctxt() argument
7023 pr_err("kvm: failed to allocate vcpu's emulator\n"); in alloc_emulate_ctxt()
7027 ctxt->vcpu = vcpu; in alloc_emulate_ctxt()
7029 vcpu->arch.emulate_ctxt = ctxt; in alloc_emulate_ctxt()
7034 static void init_emulate_ctxt(struct kvm_vcpu *vcpu) in init_emulate_ctxt() argument
7036 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in init_emulate_ctxt()
7039 kvm_x86_ops.get_cs_db_l_bits(vcpu, &cs_db, &cs_l); in init_emulate_ctxt()
7042 ctxt->eflags = kvm_get_rflags(vcpu); in init_emulate_ctxt()
7045 ctxt->eip = kvm_rip_read(vcpu); in init_emulate_ctxt()
7046 ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : in init_emulate_ctxt()
7048 (cs_l && is_long_mode(vcpu)) ? X86EMUL_MODE_PROT64 : in init_emulate_ctxt()
7061 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in init_emulate_ctxt()
7064 void kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip) in kvm_inject_realmode_interrupt() argument
7066 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_inject_realmode_interrupt()
7069 init_emulate_ctxt(vcpu); in kvm_inject_realmode_interrupt()
7077 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_inject_realmode_interrupt()
7080 kvm_rip_write(vcpu, ctxt->eip); in kvm_inject_realmode_interrupt()
7081 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_inject_realmode_interrupt()
7086 static int handle_emulation_failure(struct kvm_vcpu *vcpu, int emulation_type) in handle_emulation_failure() argument
7088 ++vcpu->stat.insn_emulation_fail; in handle_emulation_failure()
7089 trace_kvm_emulate_insn_failed(vcpu); in handle_emulation_failure()
7092 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in handle_emulation_failure()
7097 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7098 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7099 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7103 kvm_queue_exception(vcpu, UD_VECTOR); in handle_emulation_failure()
7105 if (!is_guest_mode(vcpu) && kvm_x86_ops.get_cpl(vcpu) == 0) { in handle_emulation_failure()
7106 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7107 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7108 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7115 static bool reexecute_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, in reexecute_instruction() argument
7125 if (WARN_ON_ONCE(is_guest_mode(vcpu)) || in reexecute_instruction()
7129 if (!vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7134 gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); in reexecute_instruction()
7150 pfn = gfn_to_pfn(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7162 if (vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7165 spin_lock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7166 indirect_shadow_pages = vcpu->kvm->arch.indirect_shadow_pages; in reexecute_instruction()
7167 spin_unlock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7170 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7180 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7193 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in retry_instruction() local
7196 last_retry_eip = vcpu->arch.last_retry_eip; in retry_instruction()
7197 last_retry_addr = vcpu->arch.last_retry_addr; in retry_instruction()
7212 vcpu->arch.last_retry_eip = vcpu->arch.last_retry_addr = 0; in retry_instruction()
7217 if (WARN_ON_ONCE(is_guest_mode(vcpu)) || in retry_instruction()
7227 vcpu->arch.last_retry_eip = ctxt->eip; in retry_instruction()
7228 vcpu->arch.last_retry_addr = cr2_or_gpa; in retry_instruction()
7230 if (!vcpu->arch.mmu->direct_map) in retry_instruction()
7231 gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); in retry_instruction()
7233 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in retry_instruction()
7238 static int complete_emulated_mmio(struct kvm_vcpu *vcpu);
7239 static int complete_emulated_pio(struct kvm_vcpu *vcpu);
7241 static void kvm_smm_changed(struct kvm_vcpu *vcpu) in kvm_smm_changed() argument
7243 if (!(vcpu->arch.hflags & HF_SMM_MASK)) { in kvm_smm_changed()
7245 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, false); in kvm_smm_changed()
7248 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_smm_changed()
7251 kvm_mmu_reset_context(vcpu); in kvm_smm_changed()
7269 static int kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu) in kvm_vcpu_do_singlestep() argument
7271 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_do_singlestep()
7273 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { in kvm_vcpu_do_singlestep()
7275 kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu); in kvm_vcpu_do_singlestep()
7280 kvm_queue_exception_p(vcpu, DB_VECTOR, DR6_BS); in kvm_vcpu_do_singlestep()
7284 int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) in kvm_skip_emulated_instruction() argument
7286 unsigned long rflags = kvm_x86_ops.get_rflags(vcpu); in kvm_skip_emulated_instruction()
7289 r = kvm_x86_ops.skip_emulated_instruction(vcpu); in kvm_skip_emulated_instruction()
7302 r = kvm_vcpu_do_singlestep(vcpu); in kvm_skip_emulated_instruction()
7307 static bool kvm_vcpu_check_breakpoint(struct kvm_vcpu *vcpu, int *r) in kvm_vcpu_check_breakpoint() argument
7309 if (unlikely(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) && in kvm_vcpu_check_breakpoint()
7310 (vcpu->arch.guest_debug_dr7 & DR7_BP_EN_MASK)) { in kvm_vcpu_check_breakpoint()
7311 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_check_breakpoint()
7312 unsigned long eip = kvm_get_linear_rip(vcpu); in kvm_vcpu_check_breakpoint()
7314 vcpu->arch.guest_debug_dr7, in kvm_vcpu_check_breakpoint()
7315 vcpu->arch.eff_db); in kvm_vcpu_check_breakpoint()
7327 if (unlikely(vcpu->arch.dr7 & DR7_BP_EN_MASK) && in kvm_vcpu_check_breakpoint()
7328 !(kvm_get_rflags(vcpu) & X86_EFLAGS_RF)) { in kvm_vcpu_check_breakpoint()
7329 unsigned long eip = kvm_get_linear_rip(vcpu); in kvm_vcpu_check_breakpoint()
7331 vcpu->arch.dr7, in kvm_vcpu_check_breakpoint()
7332 vcpu->arch.db); in kvm_vcpu_check_breakpoint()
7335 kvm_queue_exception_p(vcpu, DB_VECTOR, dr6); in kvm_vcpu_check_breakpoint()
7378 int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type, in x86_decode_emulated_instruction() argument
7382 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_decode_emulated_instruction()
7384 init_emulate_ctxt(vcpu); in x86_decode_emulated_instruction()
7392 kvm_vcpu_check_breakpoint(vcpu, &r)) in x86_decode_emulated_instruction()
7399 trace_kvm_emulate_insn_start(vcpu); in x86_decode_emulated_instruction()
7400 ++vcpu->stat.insn_emulation; in x86_decode_emulated_instruction()
7406 int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, in x86_emulate_instruction() argument
7410 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_emulate_instruction()
7414 if (unlikely(!kvm_x86_ops.can_emulate_instruction(vcpu, insn, insn_len))) in x86_emulate_instruction()
7417 vcpu->arch.l1tf_flush_l1d = true; in x86_emulate_instruction()
7423 write_fault_to_spt = vcpu->arch.write_fault_to_shadow_pgtable; in x86_emulate_instruction()
7424 vcpu->arch.write_fault_to_shadow_pgtable = false; in x86_emulate_instruction()
7427 kvm_clear_exception_queue(vcpu); in x86_emulate_instruction()
7429 r = x86_decode_emulated_instruction(vcpu, emulation_type, in x86_emulate_instruction()
7434 kvm_queue_exception(vcpu, UD_VECTOR); in x86_emulate_instruction()
7437 if (reexecute_instruction(vcpu, cr2_or_gpa, in x86_emulate_instruction()
7448 inject_emulated_exception(vcpu); in x86_emulate_instruction()
7451 return handle_emulation_failure(vcpu, emulation_type); in x86_emulate_instruction()
7457 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in x86_emulate_instruction()
7467 kvm_rip_write(vcpu, ctxt->_eip); in x86_emulate_instruction()
7469 kvm_set_rflags(vcpu, ctxt->eflags & ~X86_EFLAGS_RF); in x86_emulate_instruction()
7478 if (vcpu->arch.emulate_regs_need_sync_from_vcpu) { in x86_emulate_instruction()
7479 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in x86_emulate_instruction()
7489 if (vcpu->arch.mmu->direct_map) { in x86_emulate_instruction()
7504 if (reexecute_instruction(vcpu, cr2_or_gpa, write_fault_to_spt, in x86_emulate_instruction()
7508 return handle_emulation_failure(vcpu, emulation_type); in x86_emulate_instruction()
7513 if (inject_emulated_exception(vcpu)) in x86_emulate_instruction()
7515 } else if (vcpu->arch.pio.count) { in x86_emulate_instruction()
7516 if (!vcpu->arch.pio.in) { in x86_emulate_instruction()
7518 vcpu->arch.pio.count = 0; in x86_emulate_instruction()
7521 vcpu->arch.complete_userspace_io = complete_emulated_pio; in x86_emulate_instruction()
7524 } else if (vcpu->mmio_needed) { in x86_emulate_instruction()
7525 ++vcpu->stat.mmio_exits; in x86_emulate_instruction()
7527 if (!vcpu->mmio_is_write) in x86_emulate_instruction()
7530 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in x86_emulate_instruction()
7537 unsigned long rflags = kvm_x86_ops.get_rflags(vcpu); in x86_emulate_instruction()
7538 toggle_interruptibility(vcpu, ctxt->interruptibility); in x86_emulate_instruction()
7539 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in x86_emulate_instruction()
7542 kvm_rip_write(vcpu, ctxt->eip); in x86_emulate_instruction()
7543 if (r && (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) in x86_emulate_instruction()
7544 r = kvm_vcpu_do_singlestep(vcpu); in x86_emulate_instruction()
7546 kvm_x86_ops.update_emulated_instruction(vcpu); in x86_emulate_instruction()
7547 __kvm_set_rflags(vcpu, ctxt->eflags); in x86_emulate_instruction()
7557 kvm_make_request(KVM_REQ_EVENT, vcpu); in x86_emulate_instruction()
7559 vcpu->arch.emulate_regs_need_sync_to_vcpu = true; in x86_emulate_instruction()
7564 int kvm_emulate_instruction(struct kvm_vcpu *vcpu, int emulation_type) in kvm_emulate_instruction() argument
7566 return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); in kvm_emulate_instruction()
7570 int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu, in kvm_emulate_instruction_from_buffer() argument
7573 return x86_emulate_instruction(vcpu, 0, 0, insn, insn_len); in kvm_emulate_instruction_from_buffer()
7577 static int complete_fast_pio_out_port_0x7e(struct kvm_vcpu *vcpu) in complete_fast_pio_out_port_0x7e() argument
7579 vcpu->arch.pio.count = 0; in complete_fast_pio_out_port_0x7e()
7583 static int complete_fast_pio_out(struct kvm_vcpu *vcpu) in complete_fast_pio_out() argument
7585 vcpu->arch.pio.count = 0; in complete_fast_pio_out()
7587 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) in complete_fast_pio_out()
7590 return kvm_skip_emulated_instruction(vcpu); in complete_fast_pio_out()
7593 static int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, in kvm_fast_pio_out() argument
7596 unsigned long val = kvm_rax_read(vcpu); in kvm_fast_pio_out()
7597 int ret = emulator_pio_out(vcpu, size, port, &val, 1); in kvm_fast_pio_out()
7607 kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_OUT_7E_INC_RIP)) { in kvm_fast_pio_out()
7608 vcpu->arch.complete_userspace_io = in kvm_fast_pio_out()
7610 kvm_skip_emulated_instruction(vcpu); in kvm_fast_pio_out()
7612 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_out()
7613 vcpu->arch.complete_userspace_io = complete_fast_pio_out; in kvm_fast_pio_out()
7618 static int complete_fast_pio_in(struct kvm_vcpu *vcpu) in complete_fast_pio_in() argument
7623 BUG_ON(vcpu->arch.pio.count != 1); in complete_fast_pio_in()
7625 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) { in complete_fast_pio_in()
7626 vcpu->arch.pio.count = 0; in complete_fast_pio_in()
7631 val = (vcpu->arch.pio.size < 4) ? kvm_rax_read(vcpu) : 0; in complete_fast_pio_in()
7634 * Since vcpu->arch.pio.count == 1 let emulator_pio_in perform in complete_fast_pio_in()
7637 emulator_pio_in(vcpu, vcpu->arch.pio.size, vcpu->arch.pio.port, &val, 1); in complete_fast_pio_in()
7638 kvm_rax_write(vcpu, val); in complete_fast_pio_in()
7640 return kvm_skip_emulated_instruction(vcpu); in complete_fast_pio_in()
7643 static int kvm_fast_pio_in(struct kvm_vcpu *vcpu, int size, in kvm_fast_pio_in() argument
7650 val = (size < 4) ? kvm_rax_read(vcpu) : 0; in kvm_fast_pio_in()
7652 ret = emulator_pio_in(vcpu, size, port, &val, 1); in kvm_fast_pio_in()
7654 kvm_rax_write(vcpu, val); in kvm_fast_pio_in()
7658 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_in()
7659 vcpu->arch.complete_userspace_io = complete_fast_pio_in; in kvm_fast_pio_in()
7664 int kvm_fast_pio(struct kvm_vcpu *vcpu, int size, unsigned short port, int in) in kvm_fast_pio() argument
7669 ret = kvm_fast_pio_in(vcpu, size, port); in kvm_fast_pio()
7671 ret = kvm_fast_pio_out(vcpu, size, port); in kvm_fast_pio()
7672 return ret && kvm_skip_emulated_instruction(vcpu); in kvm_fast_pio()
7700 struct kvm_vcpu *vcpu; in kvm_hyperv_tsc_notifier() local
7721 kvm_for_each_vcpu(cpu, vcpu, kvm) in kvm_hyperv_tsc_notifier()
7722 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_hyperv_tsc_notifier()
7724 kvm_for_each_vcpu(cpu, vcpu, kvm) in kvm_hyperv_tsc_notifier()
7725 kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu); in kvm_hyperv_tsc_notifier()
7736 struct kvm_vcpu *vcpu; in __kvmclock_cpufreq_notifier() local
7750 * the TSC for each VCPU. We must flag these local variables in __kvmclock_cpufreq_notifier()
7769 * anytime after the setting of the VCPU's request bit, the in __kvmclock_cpufreq_notifier()
7782 kvm_for_each_vcpu(i, vcpu, kvm) { in __kvmclock_cpufreq_notifier()
7783 if (vcpu->cpu != cpu) in __kvmclock_cpufreq_notifier()
7785 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in __kvmclock_cpufreq_notifier()
7786 if (vcpu->cpu != raw_smp_processor_id()) in __kvmclock_cpufreq_notifier()
7892 struct kvm_vcpu *vcpu = __this_cpu_read(current_vcpu); in kvm_handle_intel_pt_intr() local
7894 kvm_make_request(KVM_REQ_PMI, vcpu); in kvm_handle_intel_pt_intr()
7896 (unsigned long *)&vcpu->arch.pmu.global_status); in kvm_handle_intel_pt_intr()
7911 struct kvm_vcpu *vcpu; in pvclock_gtod_update_fn() local
7916 kvm_for_each_vcpu(i, vcpu, kvm) in pvclock_gtod_update_fn()
7917 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in pvclock_gtod_update_fn()
7988 * vCPU's FPU state as a fxregs_state struct. in kvm_arch_init()
8080 int kvm_vcpu_halt(struct kvm_vcpu *vcpu) in kvm_vcpu_halt() argument
8082 ++vcpu->stat.halt_exits; in kvm_vcpu_halt()
8083 if (lapic_in_kernel(vcpu)) { in kvm_vcpu_halt()
8084 vcpu->arch.mp_state = KVM_MP_STATE_HALTED; in kvm_vcpu_halt()
8087 vcpu->run->exit_reason = KVM_EXIT_HLT; in kvm_vcpu_halt()
8093 int kvm_emulate_halt(struct kvm_vcpu *vcpu) in kvm_emulate_halt() argument
8095 int ret = kvm_skip_emulated_instruction(vcpu); in kvm_emulate_halt()
8100 return kvm_vcpu_halt(vcpu) && ret; in kvm_emulate_halt()
8105 static int kvm_pv_clock_pairing(struct kvm_vcpu *vcpu, gpa_t paddr, in kvm_pv_clock_pairing() argument
8121 clock_pairing.tsc = kvm_read_l1_tsc(vcpu, cycle); in kvm_pv_clock_pairing()
8126 if (kvm_write_guest(vcpu->kvm, paddr, &clock_pairing, in kvm_pv_clock_pairing()
8135 * kvm_pv_kick_cpu_op: Kick a vcpu.
8137 * @apicid - apicid of vcpu to be kicked.
8179 target = map->phys_map[dest_id]->vcpu; in kvm_sched_yield()
8187 int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) in kvm_emulate_hypercall() argument
8192 if (kvm_hv_hypercall_enabled(vcpu->kvm)) in kvm_emulate_hypercall()
8193 return kvm_hv_hypercall(vcpu); in kvm_emulate_hypercall()
8195 nr = kvm_rax_read(vcpu); in kvm_emulate_hypercall()
8196 a0 = kvm_rbx_read(vcpu); in kvm_emulate_hypercall()
8197 a1 = kvm_rcx_read(vcpu); in kvm_emulate_hypercall()
8198 a2 = kvm_rdx_read(vcpu); in kvm_emulate_hypercall()
8199 a3 = kvm_rsi_read(vcpu); in kvm_emulate_hypercall()
8203 op_64_bit = is_64_bit_mode(vcpu); in kvm_emulate_hypercall()
8212 if (kvm_x86_ops.get_cpl(vcpu) != 0) { in kvm_emulate_hypercall()
8224 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_UNHALT)) in kvm_emulate_hypercall()
8227 kvm_pv_kick_cpu_op(vcpu->kvm, a0, a1); in kvm_emulate_hypercall()
8228 kvm_sched_yield(vcpu->kvm, a1); in kvm_emulate_hypercall()
8233 ret = kvm_pv_clock_pairing(vcpu, a0, a1); in kvm_emulate_hypercall()
8237 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_SEND_IPI)) in kvm_emulate_hypercall()
8240 ret = kvm_pv_send_ipi(vcpu->kvm, a0, a1, a2, a3, op_64_bit); in kvm_emulate_hypercall()
8243 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_SCHED_YIELD)) in kvm_emulate_hypercall()
8246 kvm_sched_yield(vcpu->kvm, a0); in kvm_emulate_hypercall()
8256 kvm_rax_write(vcpu, ret); in kvm_emulate_hypercall()
8258 ++vcpu->stat.hypercalls; in kvm_emulate_hypercall()
8259 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_hypercall()
8265 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_fix_hypercall() local
8267 unsigned long rip = kvm_rip_read(vcpu); in emulator_fix_hypercall()
8269 kvm_x86_ops.patch_hypercall(vcpu, instruction); in emulator_fix_hypercall()
8275 static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu) in dm_request_for_irq_injection() argument
8277 return vcpu->run->request_interrupt_window && in dm_request_for_irq_injection()
8278 likely(!pic_in_kernel(vcpu->kvm)); in dm_request_for_irq_injection()
8281 static void post_kvm_run_save(struct kvm_vcpu *vcpu) in post_kvm_run_save() argument
8283 struct kvm_run *kvm_run = vcpu->run; in post_kvm_run_save()
8285 kvm_run->if_flag = (kvm_get_rflags(vcpu) & X86_EFLAGS_IF) != 0; in post_kvm_run_save()
8286 kvm_run->flags = is_smm(vcpu) ? KVM_RUN_X86_SMM : 0; in post_kvm_run_save()
8287 kvm_run->cr8 = kvm_get_cr8(vcpu); in post_kvm_run_save()
8288 kvm_run->apic_base = kvm_get_apic_base(vcpu); in post_kvm_run_save()
8290 pic_in_kernel(vcpu->kvm) || in post_kvm_run_save()
8291 kvm_vcpu_ready_for_interrupt_injection(vcpu); in post_kvm_run_save()
8294 static void update_cr8_intercept(struct kvm_vcpu *vcpu) in update_cr8_intercept() argument
8301 if (!lapic_in_kernel(vcpu)) in update_cr8_intercept()
8304 if (vcpu->arch.apicv_active) in update_cr8_intercept()
8307 if (!vcpu->arch.apic->vapic_addr) in update_cr8_intercept()
8308 max_irr = kvm_lapic_find_highest_irr(vcpu); in update_cr8_intercept()
8315 tpr = kvm_lapic_get_cr8(vcpu); in update_cr8_intercept()
8317 kvm_x86_ops.update_cr8_intercept(vcpu, tpr, max_irr); in update_cr8_intercept()
8320 static void kvm_inject_exception(struct kvm_vcpu *vcpu) in kvm_inject_exception() argument
8322 if (vcpu->arch.exception.error_code && !is_protmode(vcpu)) in kvm_inject_exception()
8323 vcpu->arch.exception.error_code = false; in kvm_inject_exception()
8324 kvm_x86_ops.queue_exception(vcpu); in kvm_inject_exception()
8327 static void inject_pending_event(struct kvm_vcpu *vcpu, bool *req_immediate_exit) in inject_pending_event() argument
8334 if (vcpu->arch.exception.injected) { in inject_pending_event()
8335 kvm_inject_exception(vcpu); in inject_pending_event()
8352 else if (!vcpu->arch.exception.pending) { in inject_pending_event()
8353 if (vcpu->arch.nmi_injected) { in inject_pending_event()
8354 kvm_x86_ops.set_nmi(vcpu); in inject_pending_event()
8356 } else if (vcpu->arch.interrupt.injected) { in inject_pending_event()
8357 kvm_x86_ops.set_irq(vcpu); in inject_pending_event()
8362 WARN_ON_ONCE(vcpu->arch.exception.injected && in inject_pending_event()
8363 vcpu->arch.exception.pending); in inject_pending_event()
8371 if (is_guest_mode(vcpu)) { in inject_pending_event()
8372 r = kvm_x86_ops.nested_ops->check_events(vcpu); in inject_pending_event()
8378 if (vcpu->arch.exception.pending) { in inject_pending_event()
8379 trace_kvm_inj_exception(vcpu->arch.exception.nr, in inject_pending_event()
8380 vcpu->arch.exception.has_error_code, in inject_pending_event()
8381 vcpu->arch.exception.error_code); in inject_pending_event()
8383 vcpu->arch.exception.pending = false; in inject_pending_event()
8384 vcpu->arch.exception.injected = true; in inject_pending_event()
8386 if (exception_type(vcpu->arch.exception.nr) == EXCPT_FAULT) in inject_pending_event()
8387 __kvm_set_rflags(vcpu, kvm_get_rflags(vcpu) | in inject_pending_event()
8390 if (vcpu->arch.exception.nr == DB_VECTOR) { in inject_pending_event()
8391 kvm_deliver_exception_payload(vcpu); in inject_pending_event()
8392 if (vcpu->arch.dr7 & DR7_GD) { in inject_pending_event()
8393 vcpu->arch.dr7 &= ~DR7_GD; in inject_pending_event()
8394 kvm_update_dr7(vcpu); in inject_pending_event()
8398 kvm_inject_exception(vcpu); in inject_pending_event()
8413 if (vcpu->arch.smi_pending) { in inject_pending_event()
8414 r = can_inject ? kvm_x86_ops.smi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8418 vcpu->arch.smi_pending = false; in inject_pending_event()
8419 ++vcpu->arch.smi_count; in inject_pending_event()
8420 enter_smm(vcpu); in inject_pending_event()
8423 kvm_x86_ops.enable_smi_window(vcpu); in inject_pending_event()
8426 if (vcpu->arch.nmi_pending) { in inject_pending_event()
8427 r = can_inject ? kvm_x86_ops.nmi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8431 --vcpu->arch.nmi_pending; in inject_pending_event()
8432 vcpu->arch.nmi_injected = true; in inject_pending_event()
8433 kvm_x86_ops.set_nmi(vcpu); in inject_pending_event()
8435 WARN_ON(kvm_x86_ops.nmi_allowed(vcpu, true) < 0); in inject_pending_event()
8437 if (vcpu->arch.nmi_pending) in inject_pending_event()
8438 kvm_x86_ops.enable_nmi_window(vcpu); in inject_pending_event()
8441 if (kvm_cpu_has_injectable_intr(vcpu)) { in inject_pending_event()
8442 r = can_inject ? kvm_x86_ops.interrupt_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8446 kvm_queue_interrupt(vcpu, kvm_cpu_get_interrupt(vcpu), false); in inject_pending_event()
8447 kvm_x86_ops.set_irq(vcpu); in inject_pending_event()
8448 WARN_ON(kvm_x86_ops.interrupt_allowed(vcpu, true) < 0); in inject_pending_event()
8450 if (kvm_cpu_has_injectable_intr(vcpu)) in inject_pending_event()
8451 kvm_x86_ops.enable_irq_window(vcpu); in inject_pending_event()
8454 if (is_guest_mode(vcpu) && in inject_pending_event()
8456 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in inject_pending_event()
8459 WARN_ON(vcpu->arch.exception.pending); in inject_pending_event()
8467 static void process_nmi(struct kvm_vcpu *vcpu) in process_nmi() argument
8476 if (kvm_x86_ops.get_nmi_mask(vcpu) || vcpu->arch.nmi_injected) in process_nmi()
8479 vcpu->arch.nmi_pending += atomic_xchg(&vcpu->arch.nmi_queued, 0); in process_nmi()
8480 vcpu->arch.nmi_pending = min(vcpu->arch.nmi_pending, limit); in process_nmi()
8481 kvm_make_request(KVM_REQ_EVENT, vcpu); in process_nmi()
8498 static void enter_smm_save_seg_32(struct kvm_vcpu *vcpu, char *buf, int n) in enter_smm_save_seg_32() argument
8503 kvm_get_segment(vcpu, &seg, n); in enter_smm_save_seg_32()
8517 static void enter_smm_save_seg_64(struct kvm_vcpu *vcpu, char *buf, int n) in enter_smm_save_seg_64() argument
8523 kvm_get_segment(vcpu, &seg, n); in enter_smm_save_seg_64()
8534 static void enter_smm_save_state_32(struct kvm_vcpu *vcpu, char *buf) in enter_smm_save_state_32() argument
8541 put_smstate(u32, buf, 0x7ffc, kvm_read_cr0(vcpu)); in enter_smm_save_state_32()
8542 put_smstate(u32, buf, 0x7ff8, kvm_read_cr3(vcpu)); in enter_smm_save_state_32()
8543 put_smstate(u32, buf, 0x7ff4, kvm_get_rflags(vcpu)); in enter_smm_save_state_32()
8544 put_smstate(u32, buf, 0x7ff0, kvm_rip_read(vcpu)); in enter_smm_save_state_32()
8547 put_smstate(u32, buf, 0x7fd0 + i * 4, kvm_register_read(vcpu, i)); in enter_smm_save_state_32()
8549 kvm_get_dr(vcpu, 6, &val); in enter_smm_save_state_32()
8551 kvm_get_dr(vcpu, 7, &val); in enter_smm_save_state_32()
8554 kvm_get_segment(vcpu, &seg, VCPU_SREG_TR); in enter_smm_save_state_32()
8560 kvm_get_segment(vcpu, &seg, VCPU_SREG_LDTR); in enter_smm_save_state_32()
8566 kvm_x86_ops.get_gdt(vcpu, &dt); in enter_smm_save_state_32()
8570 kvm_x86_ops.get_idt(vcpu, &dt); in enter_smm_save_state_32()
8575 enter_smm_save_seg_32(vcpu, buf, i); in enter_smm_save_state_32()
8577 put_smstate(u32, buf, 0x7f14, kvm_read_cr4(vcpu)); in enter_smm_save_state_32()
8581 put_smstate(u32, buf, 0x7ef8, vcpu->arch.smbase); in enter_smm_save_state_32()
8585 static void enter_smm_save_state_64(struct kvm_vcpu *vcpu, char *buf) in enter_smm_save_state_64() argument
8593 put_smstate(u64, buf, 0x7ff8 - i * 8, kvm_register_read(vcpu, i)); in enter_smm_save_state_64()
8595 put_smstate(u64, buf, 0x7f78, kvm_rip_read(vcpu)); in enter_smm_save_state_64()
8596 put_smstate(u32, buf, 0x7f70, kvm_get_rflags(vcpu)); in enter_smm_save_state_64()
8598 kvm_get_dr(vcpu, 6, &val); in enter_smm_save_state_64()
8600 kvm_get_dr(vcpu, 7, &val); in enter_smm_save_state_64()
8603 put_smstate(u64, buf, 0x7f58, kvm_read_cr0(vcpu)); in enter_smm_save_state_64()
8604 put_smstate(u64, buf, 0x7f50, kvm_read_cr3(vcpu)); in enter_smm_save_state_64()
8605 put_smstate(u64, buf, 0x7f48, kvm_read_cr4(vcpu)); in enter_smm_save_state_64()
8607 put_smstate(u32, buf, 0x7f00, vcpu->arch.smbase); in enter_smm_save_state_64()
8612 put_smstate(u64, buf, 0x7ed0, vcpu->arch.efer); in enter_smm_save_state_64()
8614 kvm_get_segment(vcpu, &seg, VCPU_SREG_TR); in enter_smm_save_state_64()
8620 kvm_x86_ops.get_idt(vcpu, &dt); in enter_smm_save_state_64()
8624 kvm_get_segment(vcpu, &seg, VCPU_SREG_LDTR); in enter_smm_save_state_64()
8630 kvm_x86_ops.get_gdt(vcpu, &dt); in enter_smm_save_state_64()
8635 enter_smm_save_seg_64(vcpu, buf, i); in enter_smm_save_state_64()
8639 static void enter_smm(struct kvm_vcpu *vcpu) in enter_smm() argument
8646 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, true); in enter_smm()
8649 if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) in enter_smm()
8650 enter_smm_save_state_64(vcpu, buf); in enter_smm()
8653 enter_smm_save_state_32(vcpu, buf); in enter_smm()
8657 * vCPU state (e.g. leave guest mode) after we've saved the state into in enter_smm()
8660 kvm_x86_ops.pre_enter_smm(vcpu, buf); in enter_smm()
8662 vcpu->arch.hflags |= HF_SMM_MASK; in enter_smm()
8663 kvm_vcpu_write_guest(vcpu, vcpu->arch.smbase + 0xfe00, buf, sizeof(buf)); in enter_smm()
8665 if (kvm_x86_ops.get_nmi_mask(vcpu)) in enter_smm()
8666 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in enter_smm()
8668 kvm_x86_ops.set_nmi_mask(vcpu, true); in enter_smm()
8670 kvm_set_rflags(vcpu, X86_EFLAGS_FIXED); in enter_smm()
8671 kvm_rip_write(vcpu, 0x8000); in enter_smm()
8673 cr0 = vcpu->arch.cr0 & ~(X86_CR0_PE | X86_CR0_EM | X86_CR0_TS | X86_CR0_PG); in enter_smm()
8674 kvm_x86_ops.set_cr0(vcpu, cr0); in enter_smm()
8675 vcpu->arch.cr0 = cr0; in enter_smm()
8677 kvm_x86_ops.set_cr4(vcpu, 0); in enter_smm()
8681 kvm_x86_ops.set_idt(vcpu, &dt); in enter_smm()
8683 __kvm_set_dr(vcpu, 7, DR7_FIXED_1); in enter_smm()
8685 cs.selector = (vcpu->arch.smbase >> 4) & 0xffff; in enter_smm()
8686 cs.base = vcpu->arch.smbase; in enter_smm()
8703 kvm_set_segment(vcpu, &cs, VCPU_SREG_CS); in enter_smm()
8704 kvm_set_segment(vcpu, &ds, VCPU_SREG_DS); in enter_smm()
8705 kvm_set_segment(vcpu, &ds, VCPU_SREG_ES); in enter_smm()
8706 kvm_set_segment(vcpu, &ds, VCPU_SREG_FS); in enter_smm()
8707 kvm_set_segment(vcpu, &ds, VCPU_SREG_GS); in enter_smm()
8708 kvm_set_segment(vcpu, &ds, VCPU_SREG_SS); in enter_smm()
8711 if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) in enter_smm()
8712 kvm_x86_ops.set_efer(vcpu, 0); in enter_smm()
8715 kvm_update_cpuid_runtime(vcpu); in enter_smm()
8716 kvm_mmu_reset_context(vcpu); in enter_smm()
8719 static void process_smi(struct kvm_vcpu *vcpu) in process_smi() argument
8721 vcpu->arch.smi_pending = true; in process_smi()
8722 kvm_make_request(KVM_REQ_EVENT, vcpu); in process_smi()
8743 void kvm_vcpu_update_apicv(struct kvm_vcpu *vcpu) in kvm_vcpu_update_apicv() argument
8745 if (!lapic_in_kernel(vcpu)) in kvm_vcpu_update_apicv()
8748 vcpu->arch.apicv_active = kvm_apicv_activated(vcpu->kvm); in kvm_vcpu_update_apicv()
8749 kvm_apic_update_apicv(vcpu); in kvm_vcpu_update_apicv()
8750 kvm_x86_ops.refresh_apicv_exec_ctrl(vcpu); in kvm_vcpu_update_apicv()
8791 * while update the calling vcpu immediately instead of in kvm_request_apicv_update()
8802 static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) in vcpu_scan_ioapic() argument
8804 if (!kvm_apic_present(vcpu)) in vcpu_scan_ioapic()
8807 bitmap_zero(vcpu->arch.ioapic_handled_vectors, 256); in vcpu_scan_ioapic()
8809 if (irqchip_split(vcpu->kvm)) in vcpu_scan_ioapic()
8810 kvm_scan_ioapic_routes(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
8812 if (vcpu->arch.apicv_active) in vcpu_scan_ioapic()
8813 kvm_x86_ops.sync_pir_to_irr(vcpu); in vcpu_scan_ioapic()
8814 if (ioapic_in_kernel(vcpu->kvm)) in vcpu_scan_ioapic()
8815 kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
8818 if (is_guest_mode(vcpu)) in vcpu_scan_ioapic()
8819 vcpu->arch.load_eoi_exitmap_pending = true; in vcpu_scan_ioapic()
8821 kvm_make_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu); in vcpu_scan_ioapic()
8824 static void vcpu_load_eoi_exitmap(struct kvm_vcpu *vcpu) in vcpu_load_eoi_exitmap() argument
8828 if (!kvm_apic_hw_enabled(vcpu->arch.apic)) in vcpu_load_eoi_exitmap()
8831 bitmap_or((ulong *)eoi_exit_bitmap, vcpu->arch.ioapic_handled_vectors, in vcpu_load_eoi_exitmap()
8832 vcpu_to_synic(vcpu)->vec_bitmap, 256); in vcpu_load_eoi_exitmap()
8833 kvm_x86_ops.load_eoi_exitmap(vcpu, eoi_exit_bitmap); in vcpu_load_eoi_exitmap()
8850 void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu) in kvm_vcpu_reload_apic_access_page() argument
8852 if (!lapic_in_kernel(vcpu)) in kvm_vcpu_reload_apic_access_page()
8858 kvm_x86_ops.set_apic_access_page_addr(vcpu); in kvm_vcpu_reload_apic_access_page()
8861 void __kvm_request_immediate_exit(struct kvm_vcpu *vcpu) in __kvm_request_immediate_exit() argument
8863 smp_send_reschedule(vcpu->cpu); in __kvm_request_immediate_exit()
8872 static int vcpu_enter_guest(struct kvm_vcpu *vcpu) in vcpu_enter_guest() argument
8876 dm_request_for_irq_injection(vcpu) && in vcpu_enter_guest()
8877 kvm_cpu_accept_dm_intr(vcpu); in vcpu_enter_guest()
8882 if (kvm_request_pending(vcpu)) { in vcpu_enter_guest()
8883 if (kvm_check_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu)) { in vcpu_enter_guest()
8884 if (unlikely(!kvm_x86_ops.nested_ops->get_nested_state_pages(vcpu))) { in vcpu_enter_guest()
8889 if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu)) in vcpu_enter_guest()
8890 kvm_mmu_unload(vcpu); in vcpu_enter_guest()
8891 if (kvm_check_request(KVM_REQ_MIGRATE_TIMER, vcpu)) in vcpu_enter_guest()
8892 __kvm_migrate_timers(vcpu); in vcpu_enter_guest()
8893 if (kvm_check_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu)) in vcpu_enter_guest()
8894 kvm_gen_update_masterclock(vcpu->kvm); in vcpu_enter_guest()
8895 if (kvm_check_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu)) in vcpu_enter_guest()
8896 kvm_gen_kvmclock_update(vcpu); in vcpu_enter_guest()
8897 if (kvm_check_request(KVM_REQ_CLOCK_UPDATE, vcpu)) { in vcpu_enter_guest()
8898 r = kvm_guest_time_update(vcpu); in vcpu_enter_guest()
8902 if (kvm_check_request(KVM_REQ_MMU_SYNC, vcpu)) in vcpu_enter_guest()
8903 kvm_mmu_sync_roots(vcpu); in vcpu_enter_guest()
8904 if (kvm_check_request(KVM_REQ_LOAD_MMU_PGD, vcpu)) in vcpu_enter_guest()
8905 kvm_mmu_load_pgd(vcpu); in vcpu_enter_guest()
8906 if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) { in vcpu_enter_guest()
8907 kvm_vcpu_flush_tlb_all(vcpu); in vcpu_enter_guest()
8910 kvm_clear_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in vcpu_enter_guest()
8912 if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu)) in vcpu_enter_guest()
8913 kvm_vcpu_flush_tlb_current(vcpu); in vcpu_enter_guest()
8914 if (kvm_check_request(KVM_REQ_TLB_FLUSH_GUEST, vcpu)) in vcpu_enter_guest()
8915 kvm_vcpu_flush_tlb_guest(vcpu); in vcpu_enter_guest()
8917 if (kvm_check_request(KVM_REQ_REPORT_TPR_ACCESS, vcpu)) { in vcpu_enter_guest()
8918 vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS; in vcpu_enter_guest()
8922 if (kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)) { in vcpu_enter_guest()
8923 vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN; in vcpu_enter_guest()
8924 vcpu->mmio_needed = 0; in vcpu_enter_guest()
8928 if (kvm_check_request(KVM_REQ_APF_HALT, vcpu)) { in vcpu_enter_guest()
8930 vcpu->arch.apf.halted = true; in vcpu_enter_guest()
8934 if (kvm_check_request(KVM_REQ_STEAL_UPDATE, vcpu)) in vcpu_enter_guest()
8935 record_steal_time(vcpu); in vcpu_enter_guest()
8936 if (kvm_check_request(KVM_REQ_SMI, vcpu)) in vcpu_enter_guest()
8937 process_smi(vcpu); in vcpu_enter_guest()
8938 if (kvm_check_request(KVM_REQ_NMI, vcpu)) in vcpu_enter_guest()
8939 process_nmi(vcpu); in vcpu_enter_guest()
8940 if (kvm_check_request(KVM_REQ_PMU, vcpu)) in vcpu_enter_guest()
8941 kvm_pmu_handle_event(vcpu); in vcpu_enter_guest()
8942 if (kvm_check_request(KVM_REQ_PMI, vcpu)) in vcpu_enter_guest()
8943 kvm_pmu_deliver_pmi(vcpu); in vcpu_enter_guest()
8944 if (kvm_check_request(KVM_REQ_IOAPIC_EOI_EXIT, vcpu)) { in vcpu_enter_guest()
8945 BUG_ON(vcpu->arch.pending_ioapic_eoi > 255); in vcpu_enter_guest()
8946 if (test_bit(vcpu->arch.pending_ioapic_eoi, in vcpu_enter_guest()
8947 vcpu->arch.ioapic_handled_vectors)) { in vcpu_enter_guest()
8948 vcpu->run->exit_reason = KVM_EXIT_IOAPIC_EOI; in vcpu_enter_guest()
8949 vcpu->run->eoi.vector = in vcpu_enter_guest()
8950 vcpu->arch.pending_ioapic_eoi; in vcpu_enter_guest()
8955 if (kvm_check_request(KVM_REQ_SCAN_IOAPIC, vcpu)) in vcpu_enter_guest()
8956 vcpu_scan_ioapic(vcpu); in vcpu_enter_guest()
8957 if (kvm_check_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu)) in vcpu_enter_guest()
8958 vcpu_load_eoi_exitmap(vcpu); in vcpu_enter_guest()
8959 if (kvm_check_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu)) in vcpu_enter_guest()
8960 kvm_vcpu_reload_apic_access_page(vcpu); in vcpu_enter_guest()
8961 if (kvm_check_request(KVM_REQ_HV_CRASH, vcpu)) { in vcpu_enter_guest()
8962 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
8963 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_CRASH; in vcpu_enter_guest()
8967 if (kvm_check_request(KVM_REQ_HV_RESET, vcpu)) { in vcpu_enter_guest()
8968 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
8969 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_RESET; in vcpu_enter_guest()
8973 if (kvm_check_request(KVM_REQ_HV_EXIT, vcpu)) { in vcpu_enter_guest()
8974 vcpu->run->exit_reason = KVM_EXIT_HYPERV; in vcpu_enter_guest()
8975 vcpu->run->hyperv = vcpu->arch.hyperv.exit; in vcpu_enter_guest()
8985 if (kvm_check_request(KVM_REQ_HV_STIMER, vcpu)) in vcpu_enter_guest()
8986 kvm_hv_process_stimers(vcpu); in vcpu_enter_guest()
8987 if (kvm_check_request(KVM_REQ_APICV_UPDATE, vcpu)) in vcpu_enter_guest()
8988 kvm_vcpu_update_apicv(vcpu); in vcpu_enter_guest()
8989 if (kvm_check_request(KVM_REQ_APF_READY, vcpu)) in vcpu_enter_guest()
8990 kvm_check_async_pf_completion(vcpu); in vcpu_enter_guest()
8991 if (kvm_check_request(KVM_REQ_MSR_FILTER_CHANGED, vcpu)) in vcpu_enter_guest()
8992 kvm_x86_ops.msr_filter_changed(vcpu); in vcpu_enter_guest()
8995 if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) { in vcpu_enter_guest()
8996 ++vcpu->stat.req_event; in vcpu_enter_guest()
8997 kvm_apic_accept_events(vcpu); in vcpu_enter_guest()
8998 if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) { in vcpu_enter_guest()
9003 inject_pending_event(vcpu, &req_immediate_exit); in vcpu_enter_guest()
9005 kvm_x86_ops.enable_irq_window(vcpu); in vcpu_enter_guest()
9007 if (kvm_lapic_enabled(vcpu)) { in vcpu_enter_guest()
9008 update_cr8_intercept(vcpu); in vcpu_enter_guest()
9009 kvm_lapic_sync_to_vapic(vcpu); in vcpu_enter_guest()
9013 r = kvm_mmu_reload(vcpu); in vcpu_enter_guest()
9020 kvm_x86_ops.prepare_guest_switch(vcpu); in vcpu_enter_guest()
9028 vcpu->mode = IN_GUEST_MODE; in vcpu_enter_guest()
9030 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in vcpu_enter_guest()
9041 * tables done while the VCPU is running. Please see the comment in vcpu_enter_guest()
9050 if (kvm_lapic_enabled(vcpu) && vcpu->arch.apicv_active) in vcpu_enter_guest()
9051 kvm_x86_ops.sync_pir_to_irr(vcpu); in vcpu_enter_guest()
9053 if (kvm_vcpu_exit_request(vcpu)) { in vcpu_enter_guest()
9054 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9058 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9064 kvm_make_request(KVM_REQ_EVENT, vcpu); in vcpu_enter_guest()
9065 kvm_x86_ops.request_immediate_exit(vcpu); in vcpu_enter_guest()
9068 trace_kvm_entry(vcpu); in vcpu_enter_guest()
9074 if (unlikely(vcpu->arch.switch_db_regs)) { in vcpu_enter_guest()
9076 set_debugreg(vcpu->arch.eff_db[0], 0); in vcpu_enter_guest()
9077 set_debugreg(vcpu->arch.eff_db[1], 1); in vcpu_enter_guest()
9078 set_debugreg(vcpu->arch.eff_db[2], 2); in vcpu_enter_guest()
9079 set_debugreg(vcpu->arch.eff_db[3], 3); in vcpu_enter_guest()
9080 set_debugreg(vcpu->arch.dr6, 6); in vcpu_enter_guest()
9081 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9086 exit_fastpath = kvm_x86_ops.run(vcpu); in vcpu_enter_guest()
9094 if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)) { in vcpu_enter_guest()
9095 WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP); in vcpu_enter_guest()
9096 kvm_x86_ops.sync_dirty_debug_regs(vcpu); in vcpu_enter_guest()
9097 kvm_update_dr0123(vcpu); in vcpu_enter_guest()
9098 kvm_update_dr7(vcpu); in vcpu_enter_guest()
9099 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9112 vcpu->arch.last_vmentry_cpu = vcpu->cpu; in vcpu_enter_guest()
9113 vcpu->arch.last_guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc()); in vcpu_enter_guest()
9115 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9118 kvm_x86_ops.handle_exit_irqoff(vcpu); in vcpu_enter_guest()
9127 kvm_before_interrupt(vcpu); in vcpu_enter_guest()
9129 ++vcpu->stat.exits; in vcpu_enter_guest()
9131 kvm_after_interrupt(vcpu); in vcpu_enter_guest()
9142 if (lapic_in_kernel(vcpu)) { in vcpu_enter_guest()
9143 s64 delta = vcpu->arch.apic->lapic_timer.advance_expire_delta; in vcpu_enter_guest()
9145 trace_kvm_wait_lapic_expire(vcpu->vcpu_id, delta); in vcpu_enter_guest()
9146 vcpu->arch.apic->lapic_timer.advance_expire_delta = S64_MIN; in vcpu_enter_guest()
9153 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9159 unsigned long rip = kvm_rip_read(vcpu); in vcpu_enter_guest()
9163 if (unlikely(vcpu->arch.tsc_always_catchup)) in vcpu_enter_guest()
9164 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in vcpu_enter_guest()
9166 if (vcpu->arch.apic_attention) in vcpu_enter_guest()
9167 kvm_lapic_sync_from_vapic(vcpu); in vcpu_enter_guest()
9169 r = kvm_x86_ops.handle_exit(vcpu, exit_fastpath); in vcpu_enter_guest()
9174 kvm_make_request(KVM_REQ_EVENT, vcpu); in vcpu_enter_guest()
9175 kvm_x86_ops.cancel_injection(vcpu); in vcpu_enter_guest()
9176 if (unlikely(vcpu->arch.apic_attention)) in vcpu_enter_guest()
9177 kvm_lapic_sync_from_vapic(vcpu); in vcpu_enter_guest()
9182 static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) in vcpu_block() argument
9184 if (!kvm_arch_vcpu_runnable(vcpu) && in vcpu_block()
9185 (!kvm_x86_ops.pre_block || kvm_x86_ops.pre_block(vcpu) == 0)) { in vcpu_block()
9186 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_block()
9187 kvm_vcpu_block(vcpu); in vcpu_block()
9188 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_block()
9191 kvm_x86_ops.post_block(vcpu); in vcpu_block()
9193 if (!kvm_check_request(KVM_REQ_UNHALT, vcpu)) in vcpu_block()
9197 kvm_apic_accept_events(vcpu); in vcpu_block()
9198 switch(vcpu->arch.mp_state) { in vcpu_block()
9200 vcpu->arch.pv.pv_unhalted = false; in vcpu_block()
9201 vcpu->arch.mp_state = in vcpu_block()
9205 vcpu->arch.apf.halted = false; in vcpu_block()
9215 static inline bool kvm_vcpu_running(struct kvm_vcpu *vcpu) in kvm_vcpu_running() argument
9217 if (is_guest_mode(vcpu)) in kvm_vcpu_running()
9218 kvm_x86_ops.nested_ops->check_events(vcpu); in kvm_vcpu_running()
9220 return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE && in kvm_vcpu_running()
9221 !vcpu->arch.apf.halted); in kvm_vcpu_running()
9224 static int vcpu_run(struct kvm_vcpu *vcpu) in vcpu_run() argument
9227 struct kvm *kvm = vcpu->kvm; in vcpu_run()
9229 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9230 vcpu->arch.l1tf_flush_l1d = true; in vcpu_run()
9234 * If another guest vCPU requests a PV TLB flush in the middle in vcpu_run()
9239 vcpu->arch.at_instruction_boundary = false; in vcpu_run()
9240 if (kvm_vcpu_running(vcpu)) { in vcpu_run()
9241 r = vcpu_enter_guest(vcpu); in vcpu_run()
9243 r = vcpu_block(kvm, vcpu); in vcpu_run()
9249 kvm_clear_request(KVM_REQ_PENDING_TIMER, vcpu); in vcpu_run()
9250 if (kvm_cpu_has_pending_timer(vcpu)) in vcpu_run()
9251 kvm_inject_pending_timer_irqs(vcpu); in vcpu_run()
9253 if (dm_request_for_irq_injection(vcpu) && in vcpu_run()
9254 kvm_vcpu_ready_for_interrupt_injection(vcpu)) { in vcpu_run()
9256 vcpu->run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; in vcpu_run()
9257 ++vcpu->stat.request_irq_exits; in vcpu_run()
9262 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9263 r = xfer_to_guest_mode_handle_work(vcpu); in vcpu_run()
9266 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9270 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9275 static inline int complete_emulated_io(struct kvm_vcpu *vcpu) in complete_emulated_io() argument
9279 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in complete_emulated_io()
9280 r = kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE); in complete_emulated_io()
9281 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in complete_emulated_io()
9285 static int complete_emulated_pio(struct kvm_vcpu *vcpu) in complete_emulated_pio() argument
9287 BUG_ON(!vcpu->arch.pio.count); in complete_emulated_pio()
9289 return complete_emulated_io(vcpu); in complete_emulated_pio()
9310 static int complete_emulated_mmio(struct kvm_vcpu *vcpu) in complete_emulated_mmio() argument
9312 struct kvm_run *run = vcpu->run; in complete_emulated_mmio()
9316 BUG_ON(!vcpu->mmio_needed); in complete_emulated_mmio()
9319 frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment]; in complete_emulated_mmio()
9321 if (!vcpu->mmio_is_write) in complete_emulated_mmio()
9327 vcpu->mmio_cur_fragment++; in complete_emulated_mmio()
9335 if (vcpu->mmio_cur_fragment >= vcpu->mmio_nr_fragments) { in complete_emulated_mmio()
9336 vcpu->mmio_needed = 0; in complete_emulated_mmio()
9339 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9341 vcpu->mmio_read_completed = 1; in complete_emulated_mmio()
9342 return complete_emulated_io(vcpu); in complete_emulated_mmio()
9347 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9350 run->mmio.is_write = vcpu->mmio_is_write; in complete_emulated_mmio()
9351 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in complete_emulated_mmio()
9369 static void kvm_load_guest_fpu(struct kvm_vcpu *vcpu) in kvm_load_guest_fpu() argument
9373 kvm_save_current_fpu(vcpu->arch.user_fpu); in kvm_load_guest_fpu()
9376 __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu->state, in kvm_load_guest_fpu()
9386 static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu) in kvm_put_guest_fpu() argument
9390 kvm_save_current_fpu(vcpu->arch.guest_fpu); in kvm_put_guest_fpu()
9392 copy_kernel_to_fpregs(&vcpu->arch.user_fpu->state); in kvm_put_guest_fpu()
9397 ++vcpu->stat.fpu_reload; in kvm_put_guest_fpu()
9401 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_ioctl_run() argument
9403 struct kvm_run *kvm_run = vcpu->run; in kvm_arch_vcpu_ioctl_run()
9406 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_run()
9407 kvm_sigset_activate(vcpu); in kvm_arch_vcpu_ioctl_run()
9408 kvm_load_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_run()
9410 if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { in kvm_arch_vcpu_ioctl_run()
9415 kvm_vcpu_block(vcpu); in kvm_arch_vcpu_ioctl_run()
9416 kvm_apic_accept_events(vcpu); in kvm_arch_vcpu_ioctl_run()
9417 kvm_clear_request(KVM_REQ_UNHALT, vcpu); in kvm_arch_vcpu_ioctl_run()
9422 ++vcpu->stat.signal_exits; in kvm_arch_vcpu_ioctl_run()
9433 r = sync_regs(vcpu); in kvm_arch_vcpu_ioctl_run()
9439 if (!lapic_in_kernel(vcpu)) { in kvm_arch_vcpu_ioctl_run()
9440 if (kvm_set_cr8(vcpu, kvm_run->cr8) != 0) { in kvm_arch_vcpu_ioctl_run()
9446 if (unlikely(vcpu->arch.complete_userspace_io)) { in kvm_arch_vcpu_ioctl_run()
9447 int (*cui)(struct kvm_vcpu *) = vcpu->arch.complete_userspace_io; in kvm_arch_vcpu_ioctl_run()
9448 vcpu->arch.complete_userspace_io = NULL; in kvm_arch_vcpu_ioctl_run()
9449 r = cui(vcpu); in kvm_arch_vcpu_ioctl_run()
9453 WARN_ON(vcpu->arch.pio.count || vcpu->mmio_needed); in kvm_arch_vcpu_ioctl_run()
9458 r = vcpu_run(vcpu); in kvm_arch_vcpu_ioctl_run()
9461 kvm_put_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_run()
9463 store_regs(vcpu); in kvm_arch_vcpu_ioctl_run()
9464 post_kvm_run_save(vcpu); in kvm_arch_vcpu_ioctl_run()
9465 kvm_sigset_deactivate(vcpu); in kvm_arch_vcpu_ioctl_run()
9467 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_run()
9471 static void __get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in __get_regs() argument
9473 if (vcpu->arch.emulate_regs_need_sync_to_vcpu) { in __get_regs()
9477 * back from emulation context to vcpu. Userspace shouldn't do in __get_regs()
9481 emulator_writeback_register_cache(vcpu->arch.emulate_ctxt); in __get_regs()
9482 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __get_regs()
9484 regs->rax = kvm_rax_read(vcpu); in __get_regs()
9485 regs->rbx = kvm_rbx_read(vcpu); in __get_regs()
9486 regs->rcx = kvm_rcx_read(vcpu); in __get_regs()
9487 regs->rdx = kvm_rdx_read(vcpu); in __get_regs()
9488 regs->rsi = kvm_rsi_read(vcpu); in __get_regs()
9489 regs->rdi = kvm_rdi_read(vcpu); in __get_regs()
9490 regs->rsp = kvm_rsp_read(vcpu); in __get_regs()
9491 regs->rbp = kvm_rbp_read(vcpu); in __get_regs()
9493 regs->r8 = kvm_r8_read(vcpu); in __get_regs()
9494 regs->r9 = kvm_r9_read(vcpu); in __get_regs()
9495 regs->r10 = kvm_r10_read(vcpu); in __get_regs()
9496 regs->r11 = kvm_r11_read(vcpu); in __get_regs()
9497 regs->r12 = kvm_r12_read(vcpu); in __get_regs()
9498 regs->r13 = kvm_r13_read(vcpu); in __get_regs()
9499 regs->r14 = kvm_r14_read(vcpu); in __get_regs()
9500 regs->r15 = kvm_r15_read(vcpu); in __get_regs()
9503 regs->rip = kvm_rip_read(vcpu); in __get_regs()
9504 regs->rflags = kvm_get_rflags(vcpu); in __get_regs()
9507 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_get_regs() argument
9509 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_regs()
9510 __get_regs(vcpu, regs); in kvm_arch_vcpu_ioctl_get_regs()
9511 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_regs()
9515 static void __set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in __set_regs() argument
9517 vcpu->arch.emulate_regs_need_sync_from_vcpu = true; in __set_regs()
9518 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __set_regs()
9520 kvm_rax_write(vcpu, regs->rax); in __set_regs()
9521 kvm_rbx_write(vcpu, regs->rbx); in __set_regs()
9522 kvm_rcx_write(vcpu, regs->rcx); in __set_regs()
9523 kvm_rdx_write(vcpu, regs->rdx); in __set_regs()
9524 kvm_rsi_write(vcpu, regs->rsi); in __set_regs()
9525 kvm_rdi_write(vcpu, regs->rdi); in __set_regs()
9526 kvm_rsp_write(vcpu, regs->rsp); in __set_regs()
9527 kvm_rbp_write(vcpu, regs->rbp); in __set_regs()
9529 kvm_r8_write(vcpu, regs->r8); in __set_regs()
9530 kvm_r9_write(vcpu, regs->r9); in __set_regs()
9531 kvm_r10_write(vcpu, regs->r10); in __set_regs()
9532 kvm_r11_write(vcpu, regs->r11); in __set_regs()
9533 kvm_r12_write(vcpu, regs->r12); in __set_regs()
9534 kvm_r13_write(vcpu, regs->r13); in __set_regs()
9535 kvm_r14_write(vcpu, regs->r14); in __set_regs()
9536 kvm_r15_write(vcpu, regs->r15); in __set_regs()
9539 kvm_rip_write(vcpu, regs->rip); in __set_regs()
9540 kvm_set_rflags(vcpu, regs->rflags | X86_EFLAGS_FIXED); in __set_regs()
9542 vcpu->arch.exception.pending = false; in __set_regs()
9544 kvm_make_request(KVM_REQ_EVENT, vcpu); in __set_regs()
9547 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_set_regs() argument
9549 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_regs()
9550 __set_regs(vcpu, regs); in kvm_arch_vcpu_ioctl_set_regs()
9551 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_regs()
9555 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) in kvm_get_cs_db_l_bits() argument
9559 kvm_get_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_get_cs_db_l_bits()
9565 static void __get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in __get_sregs() argument
9569 kvm_get_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __get_sregs()
9570 kvm_get_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __get_sregs()
9571 kvm_get_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __get_sregs()
9572 kvm_get_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __get_sregs()
9573 kvm_get_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __get_sregs()
9574 kvm_get_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __get_sregs()
9576 kvm_get_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __get_sregs()
9577 kvm_get_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __get_sregs()
9579 kvm_x86_ops.get_idt(vcpu, &dt); in __get_sregs()
9582 kvm_x86_ops.get_gdt(vcpu, &dt); in __get_sregs()
9586 sregs->cr0 = kvm_read_cr0(vcpu); in __get_sregs()
9587 sregs->cr2 = vcpu->arch.cr2; in __get_sregs()
9588 sregs->cr3 = kvm_read_cr3(vcpu); in __get_sregs()
9589 sregs->cr4 = kvm_read_cr4(vcpu); in __get_sregs()
9590 sregs->cr8 = kvm_get_cr8(vcpu); in __get_sregs()
9591 sregs->efer = vcpu->arch.efer; in __get_sregs()
9592 sregs->apic_base = kvm_get_apic_base(vcpu); in __get_sregs()
9596 if (vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft) in __get_sregs()
9597 set_bit(vcpu->arch.interrupt.nr, in __get_sregs()
9601 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_sregs() argument
9604 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_sregs()
9605 __get_sregs(vcpu, sregs); in kvm_arch_vcpu_ioctl_get_sregs()
9606 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_sregs()
9610 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_mpstate() argument
9613 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9615 kvm_load_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9617 kvm_apic_accept_events(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9618 if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED && in kvm_arch_vcpu_ioctl_get_mpstate()
9619 vcpu->arch.pv.pv_unhalted) in kvm_arch_vcpu_ioctl_get_mpstate()
9622 mp_state->mp_state = vcpu->arch.mp_state; in kvm_arch_vcpu_ioctl_get_mpstate()
9625 kvm_put_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9626 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9630 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_mpstate() argument
9635 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9637 if (!lapic_in_kernel(vcpu) && in kvm_arch_vcpu_ioctl_set_mpstate()
9646 if ((kvm_vcpu_latch_init(vcpu) || vcpu->arch.smi_pending) && in kvm_arch_vcpu_ioctl_set_mpstate()
9652 vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; in kvm_arch_vcpu_ioctl_set_mpstate()
9653 set_bit(KVM_APIC_SIPI, &vcpu->arch.apic->pending_events); in kvm_arch_vcpu_ioctl_set_mpstate()
9655 vcpu->arch.mp_state = mp_state->mp_state; in kvm_arch_vcpu_ioctl_set_mpstate()
9656 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9660 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9664 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index, in kvm_task_switch() argument
9667 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_task_switch()
9670 init_emulate_ctxt(vcpu); in kvm_task_switch()
9675 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_task_switch()
9676 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_task_switch()
9677 vcpu->run->internal.ndata = 0; in kvm_task_switch()
9681 kvm_rip_write(vcpu, ctxt->eip); in kvm_task_switch()
9682 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_task_switch()
9687 static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in kvm_valid_sregs() argument
9698 if (sregs->cr3 & vcpu->arch.cr3_lm_rsvd_bits) in kvm_valid_sregs()
9709 return kvm_valid_cr4(vcpu, sregs->cr4); in kvm_valid_sregs()
9712 static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in __set_sregs() argument
9721 if (kvm_valid_sregs(vcpu, sregs)) in __set_sregs()
9726 if (kvm_set_apic_base(vcpu, &apic_base_msr)) in __set_sregs()
9731 kvm_x86_ops.set_idt(vcpu, &dt); in __set_sregs()
9734 kvm_x86_ops.set_gdt(vcpu, &dt); in __set_sregs()
9736 vcpu->arch.cr2 = sregs->cr2; in __set_sregs()
9737 mmu_reset_needed |= kvm_read_cr3(vcpu) != sregs->cr3; in __set_sregs()
9738 vcpu->arch.cr3 = sregs->cr3; in __set_sregs()
9739 kvm_register_mark_available(vcpu, VCPU_EXREG_CR3); in __set_sregs()
9741 kvm_set_cr8(vcpu, sregs->cr8); in __set_sregs()
9743 mmu_reset_needed |= vcpu->arch.efer != sregs->efer; in __set_sregs()
9744 kvm_x86_ops.set_efer(vcpu, sregs->efer); in __set_sregs()
9746 mmu_reset_needed |= kvm_read_cr0(vcpu) != sregs->cr0; in __set_sregs()
9747 kvm_x86_ops.set_cr0(vcpu, sregs->cr0); in __set_sregs()
9748 vcpu->arch.cr0 = sregs->cr0; in __set_sregs()
9750 mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4; in __set_sregs()
9751 cpuid_update_needed |= ((kvm_read_cr4(vcpu) ^ sregs->cr4) & in __set_sregs()
9753 kvm_x86_ops.set_cr4(vcpu, sregs->cr4); in __set_sregs()
9755 kvm_update_cpuid_runtime(vcpu); in __set_sregs()
9757 idx = srcu_read_lock(&vcpu->kvm->srcu); in __set_sregs()
9758 if (is_pae_paging(vcpu)) { in __set_sregs()
9759 load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu)); in __set_sregs()
9762 srcu_read_unlock(&vcpu->kvm->srcu, idx); in __set_sregs()
9765 kvm_mmu_reset_context(vcpu); in __set_sregs()
9771 kvm_queue_interrupt(vcpu, pending_vec, false); in __set_sregs()
9775 kvm_set_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __set_sregs()
9776 kvm_set_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __set_sregs()
9777 kvm_set_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __set_sregs()
9778 kvm_set_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __set_sregs()
9779 kvm_set_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __set_sregs()
9780 kvm_set_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __set_sregs()
9782 kvm_set_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __set_sregs()
9783 kvm_set_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __set_sregs()
9785 update_cr8_intercept(vcpu); in __set_sregs()
9787 /* Older userspace won't unhalt the vcpu on reset. */ in __set_sregs()
9788 if (kvm_vcpu_is_bsp(vcpu) && kvm_rip_read(vcpu) == 0xfff0 && in __set_sregs()
9790 !is_protmode(vcpu)) in __set_sregs()
9791 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in __set_sregs()
9793 kvm_make_request(KVM_REQ_EVENT, vcpu); in __set_sregs()
9800 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_sregs() argument
9805 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_sregs()
9806 ret = __set_sregs(vcpu, sregs); in kvm_arch_vcpu_ioctl_set_sregs()
9807 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_sregs()
9811 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_guest_debug() argument
9817 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9821 if (vcpu->arch.exception.pending) in kvm_arch_vcpu_ioctl_set_guest_debug()
9824 kvm_queue_exception(vcpu, DB_VECTOR); in kvm_arch_vcpu_ioctl_set_guest_debug()
9826 kvm_queue_exception(vcpu, BP_VECTOR); in kvm_arch_vcpu_ioctl_set_guest_debug()
9833 rflags = kvm_get_rflags(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9835 vcpu->guest_debug = dbg->control; in kvm_arch_vcpu_ioctl_set_guest_debug()
9836 if (!(vcpu->guest_debug & KVM_GUESTDBG_ENABLE)) in kvm_arch_vcpu_ioctl_set_guest_debug()
9837 vcpu->guest_debug = 0; in kvm_arch_vcpu_ioctl_set_guest_debug()
9839 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) { in kvm_arch_vcpu_ioctl_set_guest_debug()
9841 vcpu->arch.eff_db[i] = dbg->arch.debugreg[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
9842 vcpu->arch.guest_debug_dr7 = dbg->arch.debugreg[7]; in kvm_arch_vcpu_ioctl_set_guest_debug()
9845 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
9847 kvm_update_dr7(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9849 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_arch_vcpu_ioctl_set_guest_debug()
9850 vcpu->arch.singlestep_rip = kvm_rip_read(vcpu) + in kvm_arch_vcpu_ioctl_set_guest_debug()
9851 get_segment_base(vcpu, VCPU_SREG_CS); in kvm_arch_vcpu_ioctl_set_guest_debug()
9857 kvm_set_rflags(vcpu, rflags); in kvm_arch_vcpu_ioctl_set_guest_debug()
9859 kvm_x86_ops.update_exception_bitmap(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9864 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9871 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_translate() argument
9878 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_translate()
9880 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl_translate()
9881 gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL); in kvm_arch_vcpu_ioctl_translate()
9882 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl_translate()
9888 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_translate()
9892 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_get_fpu() argument
9896 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_fpu()
9898 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_get_fpu()
9908 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_fpu()
9912 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_set_fpu() argument
9916 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_fpu()
9918 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_set_fpu()
9929 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_fpu()
9933 static void store_regs(struct kvm_vcpu *vcpu) in store_regs() argument
9937 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_REGS) in store_regs()
9938 __get_regs(vcpu, &vcpu->run->s.regs.regs); in store_regs()
9940 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_SREGS) in store_regs()
9941 __get_sregs(vcpu, &vcpu->run->s.regs.sregs); in store_regs()
9943 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_EVENTS) in store_regs()
9945 vcpu, &vcpu->run->s.regs.events); in store_regs()
9948 static int sync_regs(struct kvm_vcpu *vcpu) in sync_regs() argument
9950 if (vcpu->run->kvm_dirty_regs & ~KVM_SYNC_X86_VALID_FIELDS) in sync_regs()
9953 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_REGS) { in sync_regs()
9954 __set_regs(vcpu, &vcpu->run->s.regs.regs); in sync_regs()
9955 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_REGS; in sync_regs()
9957 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_SREGS) { in sync_regs()
9958 if (__set_sregs(vcpu, &vcpu->run->s.regs.sregs)) in sync_regs()
9960 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_SREGS; in sync_regs()
9962 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_EVENTS) { in sync_regs()
9964 vcpu, &vcpu->run->s.regs.events)) in sync_regs()
9966 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_EVENTS; in sync_regs()
9972 static void fx_init(struct kvm_vcpu *vcpu) in fx_init() argument
9974 fpstate_init(&vcpu->arch.guest_fpu->state); in fx_init()
9976 vcpu->arch.guest_fpu->state.xsave.header.xcomp_bv = in fx_init()
9982 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in fx_init()
9984 vcpu->arch.cr0 |= X86_CR0_ET; in fx_init()
9996 int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_create() argument
10001 if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu)) in kvm_arch_vcpu_create()
10002 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_vcpu_create()
10004 vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED; in kvm_arch_vcpu_create()
10006 kvm_set_tsc_khz(vcpu, max_tsc_khz); in kvm_arch_vcpu_create()
10008 r = kvm_mmu_create(vcpu); in kvm_arch_vcpu_create()
10012 if (irqchip_in_kernel(vcpu->kvm)) { in kvm_arch_vcpu_create()
10013 r = kvm_create_lapic(vcpu, lapic_timer_advance_ns); in kvm_arch_vcpu_create()
10016 if (kvm_apicv_activated(vcpu->kvm)) in kvm_arch_vcpu_create()
10017 vcpu->arch.apicv_active = true; in kvm_arch_vcpu_create()
10026 vcpu->arch.pio_data = page_address(page); in kvm_arch_vcpu_create()
10028 vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4, in kvm_arch_vcpu_create()
10030 if (!vcpu->arch.mce_banks) in kvm_arch_vcpu_create()
10032 vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS; in kvm_arch_vcpu_create()
10034 if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, in kvm_arch_vcpu_create()
10038 if (!alloc_emulate_ctxt(vcpu)) in kvm_arch_vcpu_create()
10041 vcpu->arch.user_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10043 if (!vcpu->arch.user_fpu) { in kvm_arch_vcpu_create()
10048 vcpu->arch.guest_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10050 if (!vcpu->arch.guest_fpu) { in kvm_arch_vcpu_create()
10051 pr_err("kvm: failed to allocate vcpu's fpu\n"); in kvm_arch_vcpu_create()
10054 fx_init(vcpu); in kvm_arch_vcpu_create()
10056 vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); in kvm_arch_vcpu_create()
10057 vcpu->arch.cr3_lm_rsvd_bits = rsvd_bits(cpuid_maxphyaddr(vcpu), 63); in kvm_arch_vcpu_create()
10059 vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT; in kvm_arch_vcpu_create()
10061 kvm_async_pf_hash_reset(vcpu); in kvm_arch_vcpu_create()
10062 kvm_pmu_init(vcpu); in kvm_arch_vcpu_create()
10064 vcpu->arch.pending_external_vector = -1; in kvm_arch_vcpu_create()
10065 vcpu->arch.preempted_in_kernel = false; in kvm_arch_vcpu_create()
10067 kvm_hv_vcpu_init(vcpu); in kvm_arch_vcpu_create()
10069 r = kvm_x86_ops.vcpu_create(vcpu); in kvm_arch_vcpu_create()
10073 vcpu->arch.arch_capabilities = kvm_get_arch_capabilities(); in kvm_arch_vcpu_create()
10074 vcpu->arch.msr_platform_info = MSR_PLATFORM_INFO_CPUID_FAULT; in kvm_arch_vcpu_create()
10075 kvm_vcpu_mtrr_init(vcpu); in kvm_arch_vcpu_create()
10076 vcpu_load(vcpu); in kvm_arch_vcpu_create()
10077 kvm_vcpu_reset(vcpu, false); in kvm_arch_vcpu_create()
10078 kvm_init_mmu(vcpu, false); in kvm_arch_vcpu_create()
10079 vcpu_put(vcpu); in kvm_arch_vcpu_create()
10083 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_create()
10085 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_create()
10087 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_create()
10089 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_create()
10091 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_create()
10093 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_create()
10095 kvm_free_lapic(vcpu); in kvm_arch_vcpu_create()
10097 kvm_mmu_destroy(vcpu); in kvm_arch_vcpu_create()
10101 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_postcreate() argument
10103 struct kvm *kvm = vcpu->kvm; in kvm_arch_vcpu_postcreate()
10105 kvm_hv_vcpu_postcreate(vcpu); in kvm_arch_vcpu_postcreate()
10107 if (mutex_lock_killable(&vcpu->mutex)) in kvm_arch_vcpu_postcreate()
10109 vcpu_load(vcpu); in kvm_arch_vcpu_postcreate()
10110 kvm_synchronize_tsc(vcpu, 0); in kvm_arch_vcpu_postcreate()
10111 vcpu_put(vcpu); in kvm_arch_vcpu_postcreate()
10114 vcpu->arch.msr_kvm_poll_control = 1; in kvm_arch_vcpu_postcreate()
10116 mutex_unlock(&vcpu->mutex); in kvm_arch_vcpu_postcreate()
10118 if (kvmclock_periodic_sync && vcpu->vcpu_idx == 0) in kvm_arch_vcpu_postcreate()
10123 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_destroy() argument
10125 struct gfn_to_pfn_cache *cache = &vcpu->arch.st.cache; in kvm_arch_vcpu_destroy()
10130 kvmclock_reset(vcpu); in kvm_arch_vcpu_destroy()
10132 kvm_x86_ops.vcpu_free(vcpu); in kvm_arch_vcpu_destroy()
10134 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_destroy()
10135 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_destroy()
10136 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_destroy()
10137 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_destroy()
10139 kvm_hv_vcpu_uninit(vcpu); in kvm_arch_vcpu_destroy()
10140 kvm_pmu_destroy(vcpu); in kvm_arch_vcpu_destroy()
10141 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_destroy()
10142 kvm_free_lapic(vcpu); in kvm_arch_vcpu_destroy()
10143 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_destroy()
10144 kvm_mmu_destroy(vcpu); in kvm_arch_vcpu_destroy()
10145 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_destroy()
10146 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_destroy()
10147 kvfree(vcpu->arch.cpuid_entries); in kvm_arch_vcpu_destroy()
10148 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_destroy()
10152 void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) in kvm_vcpu_reset() argument
10154 kvm_lapic_reset(vcpu, init_event); in kvm_vcpu_reset()
10156 vcpu->arch.hflags = 0; in kvm_vcpu_reset()
10158 vcpu->arch.smi_pending = 0; in kvm_vcpu_reset()
10159 vcpu->arch.smi_count = 0; in kvm_vcpu_reset()
10160 atomic_set(&vcpu->arch.nmi_queued, 0); in kvm_vcpu_reset()
10161 vcpu->arch.nmi_pending = 0; in kvm_vcpu_reset()
10162 vcpu->arch.nmi_injected = false; in kvm_vcpu_reset()
10163 kvm_clear_interrupt_queue(vcpu); in kvm_vcpu_reset()
10164 kvm_clear_exception_queue(vcpu); in kvm_vcpu_reset()
10166 memset(vcpu->arch.db, 0, sizeof(vcpu->arch.db)); in kvm_vcpu_reset()
10167 kvm_update_dr0123(vcpu); in kvm_vcpu_reset()
10168 vcpu->arch.dr6 = DR6_INIT; in kvm_vcpu_reset()
10169 vcpu->arch.dr7 = DR7_FIXED_1; in kvm_vcpu_reset()
10170 kvm_update_dr7(vcpu); in kvm_vcpu_reset()
10172 vcpu->arch.cr2 = 0; in kvm_vcpu_reset()
10174 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_reset()
10175 vcpu->arch.apf.msr_en_val = 0; in kvm_vcpu_reset()
10176 vcpu->arch.apf.msr_int_val = 0; in kvm_vcpu_reset()
10177 vcpu->arch.st.msr_val = 0; in kvm_vcpu_reset()
10179 kvmclock_reset(vcpu); in kvm_vcpu_reset()
10181 kvm_clear_async_pf_completion_queue(vcpu); in kvm_vcpu_reset()
10182 kvm_async_pf_hash_reset(vcpu); in kvm_vcpu_reset()
10183 vcpu->arch.apf.halted = false; in kvm_vcpu_reset()
10193 kvm_put_guest_fpu(vcpu); in kvm_vcpu_reset()
10194 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10198 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10203 kvm_load_guest_fpu(vcpu); in kvm_vcpu_reset()
10207 kvm_pmu_reset(vcpu); in kvm_vcpu_reset()
10208 vcpu->arch.smbase = 0x30000; in kvm_vcpu_reset()
10210 vcpu->arch.msr_misc_features_enables = 0; in kvm_vcpu_reset()
10212 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in kvm_vcpu_reset()
10215 memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs)); in kvm_vcpu_reset()
10216 vcpu->arch.regs_avail = ~0; in kvm_vcpu_reset()
10217 vcpu->arch.regs_dirty = ~0; in kvm_vcpu_reset()
10219 vcpu->arch.ia32_xss = 0; in kvm_vcpu_reset()
10221 kvm_x86_ops.vcpu_reset(vcpu, init_event); in kvm_vcpu_reset()
10224 void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector) in kvm_vcpu_deliver_sipi_vector() argument
10228 kvm_get_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_vcpu_deliver_sipi_vector()
10231 kvm_set_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_vcpu_deliver_sipi_vector()
10232 kvm_rip_write(vcpu, 0); in kvm_vcpu_deliver_sipi_vector()
10238 struct kvm_vcpu *vcpu; in kvm_arch_hardware_enable() local
10253 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_arch_hardware_enable()
10254 if (!stable && vcpu->cpu == smp_processor_id()) in kvm_arch_hardware_enable()
10255 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_arch_hardware_enable()
10256 if (stable && vcpu->arch.last_host_tsc > local_tsc) { in kvm_arch_hardware_enable()
10258 if (vcpu->arch.last_host_tsc > max_tsc) in kvm_arch_hardware_enable()
10259 max_tsc = vcpu->arch.last_host_tsc; in kvm_arch_hardware_enable()
10276 * adjustment to TSC in each VCPU. When the VCPU later gets loaded, in kvm_arch_hardware_enable()
10278 * adjustments, in case multiple suspend cycles happen before some VCPU in kvm_arch_hardware_enable()
10306 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_arch_hardware_enable()
10307 vcpu->arch.tsc_offset_adjustment += delta_cyc; in kvm_arch_hardware_enable()
10308 vcpu->arch.last_host_tsc = local_tsc; in kvm_arch_hardware_enable()
10309 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_arch_hardware_enable()
10392 bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu) in kvm_vcpu_is_reset_bsp() argument
10394 return vcpu->kvm->arch.bsp_vcpu_id == vcpu->vcpu_id; in kvm_vcpu_is_reset_bsp()
10398 bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) in kvm_vcpu_is_bsp() argument
10400 return (vcpu->arch.apic_base & MSR_IA32_APICBASE_BSP) != 0; in kvm_vcpu_is_bsp()
10406 void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_sched_in() argument
10408 struct kvm_pmu *pmu = vcpu_to_pmu(vcpu); in kvm_arch_sched_in()
10410 vcpu->arch.l1tf_flush_l1d = true; in kvm_arch_sched_in()
10413 kvm_make_request(KVM_REQ_PMU, vcpu); in kvm_arch_sched_in()
10415 kvm_x86_ops.sched_in(vcpu, cpu); in kvm_arch_sched_in()
10472 static void kvm_unload_vcpu_mmu(struct kvm_vcpu *vcpu) in kvm_unload_vcpu_mmu() argument
10474 vcpu_load(vcpu); in kvm_unload_vcpu_mmu()
10475 kvm_mmu_unload(vcpu); in kvm_unload_vcpu_mmu()
10476 vcpu_put(vcpu); in kvm_unload_vcpu_mmu()
10482 struct kvm_vcpu *vcpu; in kvm_free_vcpus() local
10487 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_free_vcpus()
10488 kvm_clear_async_pf_completion_queue(vcpu); in kvm_free_vcpus()
10489 kvm_unload_vcpu_mmu(vcpu); in kvm_free_vcpus()
10491 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_free_vcpus()
10492 kvm_vcpu_destroy(vcpu); in kvm_free_vcpus()
10685 struct kvm_vcpu *vcpu; in kvm_arch_memslots_updated() local
10695 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_arch_memslots_updated()
10696 kvm_vcpu_kick(vcpu); in kvm_arch_memslots_updated()
10826 static inline bool kvm_guest_apic_has_interrupt(struct kvm_vcpu *vcpu) in kvm_guest_apic_has_interrupt() argument
10828 return (is_guest_mode(vcpu) && in kvm_guest_apic_has_interrupt()
10830 kvm_x86_ops.guest_apic_has_interrupt(vcpu)); in kvm_guest_apic_has_interrupt()
10833 static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu) in kvm_vcpu_has_events() argument
10835 if (!list_empty_careful(&vcpu->async_pf.done)) in kvm_vcpu_has_events()
10838 if (kvm_apic_has_events(vcpu)) in kvm_vcpu_has_events()
10841 if (vcpu->arch.pv.pv_unhalted) in kvm_vcpu_has_events()
10844 if (vcpu->arch.exception.pending) in kvm_vcpu_has_events()
10847 if (kvm_test_request(KVM_REQ_NMI, vcpu) || in kvm_vcpu_has_events()
10848 (vcpu->arch.nmi_pending && in kvm_vcpu_has_events()
10849 kvm_x86_ops.nmi_allowed(vcpu, false))) in kvm_vcpu_has_events()
10852 if (kvm_test_request(KVM_REQ_SMI, vcpu) || in kvm_vcpu_has_events()
10853 (vcpu->arch.smi_pending && in kvm_vcpu_has_events()
10854 kvm_x86_ops.smi_allowed(vcpu, false))) in kvm_vcpu_has_events()
10857 if (kvm_arch_interrupt_allowed(vcpu) && in kvm_vcpu_has_events()
10858 (kvm_cpu_has_interrupt(vcpu) || in kvm_vcpu_has_events()
10859 kvm_guest_apic_has_interrupt(vcpu))) in kvm_vcpu_has_events()
10862 if (kvm_hv_has_stimer_pending(vcpu)) in kvm_vcpu_has_events()
10865 if (is_guest_mode(vcpu) && in kvm_vcpu_has_events()
10867 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in kvm_vcpu_has_events()
10873 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_runnable() argument
10875 return kvm_vcpu_running(vcpu) || kvm_vcpu_has_events(vcpu); in kvm_arch_vcpu_runnable()
10878 bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu) in kvm_arch_dy_runnable() argument
10880 if (READ_ONCE(vcpu->arch.pv.pv_unhalted)) in kvm_arch_dy_runnable()
10883 if (kvm_test_request(KVM_REQ_NMI, vcpu) || in kvm_arch_dy_runnable()
10884 kvm_test_request(KVM_REQ_SMI, vcpu) || in kvm_arch_dy_runnable()
10885 kvm_test_request(KVM_REQ_EVENT, vcpu)) in kvm_arch_dy_runnable()
10888 if (vcpu->arch.apicv_active && kvm_x86_ops.dy_apicv_has_pending_interrupt(vcpu)) in kvm_arch_dy_runnable()
10894 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_in_kernel() argument
10896 return vcpu->arch.preempted_in_kernel; in kvm_arch_vcpu_in_kernel()
10899 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_should_kick() argument
10901 return kvm_vcpu_exiting_guest_mode(vcpu) == IN_GUEST_MODE; in kvm_arch_vcpu_should_kick()
10904 int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu) in kvm_arch_interrupt_allowed() argument
10906 return kvm_x86_ops.interrupt_allowed(vcpu, false); in kvm_arch_interrupt_allowed()
10909 unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu) in kvm_get_linear_rip() argument
10911 if (is_64_bit_mode(vcpu)) in kvm_get_linear_rip()
10912 return kvm_rip_read(vcpu); in kvm_get_linear_rip()
10913 return (u32)(get_segment_base(vcpu, VCPU_SREG_CS) + in kvm_get_linear_rip()
10914 kvm_rip_read(vcpu)); in kvm_get_linear_rip()
10918 bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip) in kvm_is_linear_rip() argument
10920 return kvm_get_linear_rip(vcpu) == linear_rip; in kvm_is_linear_rip()
10924 unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu) in kvm_get_rflags() argument
10928 rflags = kvm_x86_ops.get_rflags(vcpu); in kvm_get_rflags()
10929 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_get_rflags()
10935 static void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) in __kvm_set_rflags() argument
10937 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP && in __kvm_set_rflags()
10938 kvm_is_linear_rip(vcpu, vcpu->arch.singlestep_rip)) in __kvm_set_rflags()
10940 kvm_x86_ops.set_rflags(vcpu, rflags); in __kvm_set_rflags()
10943 void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) in kvm_set_rflags() argument
10945 __kvm_set_rflags(vcpu, rflags); in kvm_set_rflags()
10946 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_set_rflags()
10950 void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) in kvm_arch_async_page_ready() argument
10954 if ((vcpu->arch.mmu->direct_map != work->arch.direct_map) || in kvm_arch_async_page_ready()
10958 r = kvm_mmu_reload(vcpu); in kvm_arch_async_page_ready()
10962 if (!vcpu->arch.mmu->direct_map && in kvm_arch_async_page_ready()
10963 work->arch.cr3 != vcpu->arch.mmu->get_guest_pgd(vcpu)) in kvm_arch_async_page_ready()
10966 kvm_mmu_do_page_fault(vcpu, work->cr2_or_gpa, 0, true); in kvm_arch_async_page_ready()
10981 static void kvm_add_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_add_async_pf_gfn() argument
10985 while (vcpu->arch.apf.gfns[key] != ~0) in kvm_add_async_pf_gfn()
10988 vcpu->arch.apf.gfns[key] = gfn; in kvm_add_async_pf_gfn()
10991 static u32 kvm_async_pf_gfn_slot(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_async_pf_gfn_slot() argument
10997 (vcpu->arch.apf.gfns[key] != gfn && in kvm_async_pf_gfn_slot()
10998 vcpu->arch.apf.gfns[key] != ~0); i++) in kvm_async_pf_gfn_slot()
11004 bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_find_async_pf_gfn() argument
11006 return vcpu->arch.apf.gfns[kvm_async_pf_gfn_slot(vcpu, gfn)] == gfn; in kvm_find_async_pf_gfn()
11009 static void kvm_del_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_del_async_pf_gfn() argument
11013 i = j = kvm_async_pf_gfn_slot(vcpu, gfn); in kvm_del_async_pf_gfn()
11015 if (WARN_ON_ONCE(vcpu->arch.apf.gfns[i] != gfn)) in kvm_del_async_pf_gfn()
11019 vcpu->arch.apf.gfns[i] = ~0; in kvm_del_async_pf_gfn()
11022 if (vcpu->arch.apf.gfns[j] == ~0) in kvm_del_async_pf_gfn()
11024 k = kvm_async_pf_hash_fn(vcpu->arch.apf.gfns[j]); in kvm_del_async_pf_gfn()
11031 vcpu->arch.apf.gfns[i] = vcpu->arch.apf.gfns[j]; in kvm_del_async_pf_gfn()
11036 static inline int apf_put_user_notpresent(struct kvm_vcpu *vcpu) in apf_put_user_notpresent() argument
11040 return kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, &reason, in apf_put_user_notpresent()
11044 static inline int apf_put_user_ready(struct kvm_vcpu *vcpu, u32 token) in apf_put_user_ready() argument
11048 return kvm_write_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_put_user_ready()
11052 static inline bool apf_pageready_slot_free(struct kvm_vcpu *vcpu) in apf_pageready_slot_free() argument
11057 if (kvm_read_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_pageready_slot_free()
11064 static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu) in kvm_can_deliver_async_pf() argument
11066 if (!vcpu->arch.apf.delivery_as_pf_vmexit && is_guest_mode(vcpu)) in kvm_can_deliver_async_pf()
11069 if (!kvm_pv_async_pf_enabled(vcpu) || in kvm_can_deliver_async_pf()
11070 (vcpu->arch.apf.send_user_only && kvm_x86_ops.get_cpl(vcpu) == 0)) in kvm_can_deliver_async_pf()
11076 bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu) in kvm_can_do_async_pf() argument
11078 if (unlikely(!lapic_in_kernel(vcpu) || in kvm_can_do_async_pf()
11079 kvm_event_needs_reinjection(vcpu) || in kvm_can_do_async_pf()
11080 vcpu->arch.exception.pending)) in kvm_can_do_async_pf()
11083 if (kvm_hlt_in_guest(vcpu->kvm) && !kvm_can_deliver_async_pf(vcpu)) in kvm_can_do_async_pf()
11090 return kvm_arch_interrupt_allowed(vcpu); in kvm_can_do_async_pf()
11093 bool kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, in kvm_arch_async_page_not_present() argument
11099 kvm_add_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_not_present()
11101 if (kvm_can_deliver_async_pf(vcpu) && in kvm_arch_async_page_not_present()
11102 !apf_put_user_notpresent(vcpu)) { in kvm_arch_async_page_not_present()
11109 kvm_inject_page_fault(vcpu, &fault); in kvm_arch_async_page_not_present()
11120 kvm_make_request(KVM_REQ_APF_HALT, vcpu); in kvm_arch_async_page_not_present()
11125 void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, in kvm_arch_async_page_present() argument
11130 .vector = vcpu->arch.apf.vec in kvm_arch_async_page_present()
11136 kvm_del_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_present()
11140 kvm_pv_async_pf_enabled(vcpu) && in kvm_arch_async_page_present()
11141 !apf_put_user_ready(vcpu, work->arch.token)) { in kvm_arch_async_page_present()
11142 vcpu->arch.apf.pageready_pending = true; in kvm_arch_async_page_present()
11143 kvm_apic_set_irq(vcpu, &irq, NULL); in kvm_arch_async_page_present()
11146 vcpu->arch.apf.halted = false; in kvm_arch_async_page_present()
11147 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_async_page_present()
11150 void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) in kvm_arch_async_page_present_queued() argument
11152 kvm_make_request(KVM_REQ_APF_READY, vcpu); in kvm_arch_async_page_present_queued()
11153 if (!vcpu->arch.apf.pageready_pending) in kvm_arch_async_page_present_queued()
11154 kvm_vcpu_kick(vcpu); in kvm_arch_async_page_present_queued()
11157 bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu) in kvm_arch_can_dequeue_async_page_present() argument
11159 if (!kvm_pv_async_pf_enabled(vcpu)) in kvm_arch_can_dequeue_async_page_present()
11162 return apf_pageready_slot_free(vcpu); in kvm_arch_can_dequeue_async_page_present()
11259 bool kvm_arch_no_poll(struct kvm_vcpu *vcpu) in kvm_arch_no_poll() argument
11261 return (vcpu->arch.msr_kvm_poll_control & 1) == 0; in kvm_arch_no_poll()
11292 void kvm_fixup_and_inject_pf_error(struct kvm_vcpu *vcpu, gva_t gva, u16 error_code) in kvm_fixup_and_inject_pf_error() argument
11299 vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, &fault) != UNMAPPED_GVA) { in kvm_fixup_and_inject_pf_error()
11301 * If vcpu->arch.walk_mmu->gva_to_gpa succeeded, the page in kvm_fixup_and_inject_pf_error()
11311 vcpu->arch.walk_mmu->inject_page_fault(vcpu, &fault); in kvm_fixup_and_inject_pf_error()
11320 int kvm_handle_memory_failure(struct kvm_vcpu *vcpu, int r, in kvm_handle_memory_failure() argument
11324 kvm_inject_emulated_page_fault(vcpu, e); in kvm_handle_memory_failure()
11335 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_handle_memory_failure()
11336 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_handle_memory_failure()
11337 vcpu->run->internal.ndata = 0; in kvm_handle_memory_failure()
11343 int kvm_handle_invpcid(struct kvm_vcpu *vcpu, unsigned long type, gva_t gva) in kvm_handle_invpcid() argument
11355 r = kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e); in kvm_handle_invpcid()
11357 return kvm_handle_memory_failure(vcpu, r, &e); in kvm_handle_invpcid()
11360 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11364 pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE); in kvm_handle_invpcid()
11369 is_noncanonical_address(operand.gla, vcpu)) { in kvm_handle_invpcid()
11370 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11373 kvm_mmu_invpcid_gva(vcpu, operand.gla, operand.pcid); in kvm_handle_invpcid()
11374 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()
11378 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11382 if (kvm_get_active_pcid(vcpu) == operand.pcid) { in kvm_handle_invpcid()
11383 kvm_mmu_sync_roots(vcpu); in kvm_handle_invpcid()
11384 kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in kvm_handle_invpcid()
11388 if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].pgd) in kvm_handle_invpcid()
11392 kvm_mmu_free_roots(vcpu, vcpu->arch.mmu, roots_to_free); in kvm_handle_invpcid()
11399 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()
11411 kvm_make_request(KVM_REQ_MMU_RELOAD, vcpu); in kvm_handle_invpcid()
11412 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()