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()
492 void kvm_deliver_exception_payload(struct kvm_vcpu *vcpu) in kvm_deliver_exception_payload() argument
494 unsigned nr = vcpu->arch.exception.nr; in kvm_deliver_exception_payload()
495 bool has_payload = vcpu->arch.exception.has_payload; in kvm_deliver_exception_payload()
496 unsigned long payload = vcpu->arch.exception.payload; in kvm_deliver_exception_payload()
508 vcpu->arch.dr6 &= ~DR_TRAP_BITS; in kvm_deliver_exception_payload()
512 vcpu->arch.dr6 |= DR6_RTM; in kvm_deliver_exception_payload()
513 vcpu->arch.dr6 |= payload; in kvm_deliver_exception_payload()
522 vcpu->arch.dr6 ^= payload & DR6_RTM; in kvm_deliver_exception_payload()
530 vcpu->arch.dr6 &= ~BIT(12); in kvm_deliver_exception_payload()
533 vcpu->arch.cr2 = payload; in kvm_deliver_exception_payload()
537 vcpu->arch.exception.has_payload = false; in kvm_deliver_exception_payload()
538 vcpu->arch.exception.payload = 0; in kvm_deliver_exception_payload()
542 static void kvm_multiple_exception(struct kvm_vcpu *vcpu, in kvm_multiple_exception() argument
549 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_multiple_exception()
551 if (!vcpu->arch.exception.pending && !vcpu->arch.exception.injected) { in kvm_multiple_exception()
555 * On vmentry, vcpu->arch.exception.pending is only in kvm_multiple_exception()
562 WARN_ON_ONCE(vcpu->arch.exception.pending); in kvm_multiple_exception()
563 vcpu->arch.exception.injected = true; in kvm_multiple_exception()
573 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
574 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
576 vcpu->arch.exception.has_error_code = has_error; in kvm_multiple_exception()
577 vcpu->arch.exception.nr = nr; in kvm_multiple_exception()
578 vcpu->arch.exception.error_code = error_code; in kvm_multiple_exception()
579 vcpu->arch.exception.has_payload = has_payload; in kvm_multiple_exception()
580 vcpu->arch.exception.payload = payload; in kvm_multiple_exception()
581 if (!is_guest_mode(vcpu)) in kvm_multiple_exception()
582 kvm_deliver_exception_payload(vcpu); in kvm_multiple_exception()
587 prev_nr = vcpu->arch.exception.nr; in kvm_multiple_exception()
590 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_multiple_exception()
602 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
603 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
604 vcpu->arch.exception.has_error_code = true; in kvm_multiple_exception()
605 vcpu->arch.exception.nr = DF_VECTOR; in kvm_multiple_exception()
606 vcpu->arch.exception.error_code = 0; in kvm_multiple_exception()
607 vcpu->arch.exception.has_payload = false; in kvm_multiple_exception()
608 vcpu->arch.exception.payload = 0; in kvm_multiple_exception()
616 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr) in kvm_queue_exception() argument
618 kvm_multiple_exception(vcpu, nr, false, 0, false, 0, false); in kvm_queue_exception()
622 void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr) in kvm_requeue_exception() argument
624 kvm_multiple_exception(vcpu, nr, false, 0, false, 0, true); in kvm_requeue_exception()
628 void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr, in kvm_queue_exception_p() argument
631 kvm_multiple_exception(vcpu, nr, false, 0, true, payload, false); in kvm_queue_exception_p()
635 static void kvm_queue_exception_e_p(struct kvm_vcpu *vcpu, unsigned nr, in kvm_queue_exception_e_p() argument
638 kvm_multiple_exception(vcpu, nr, true, error_code, in kvm_queue_exception_e_p()
642 int kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err) in kvm_complete_insn_gp() argument
645 kvm_inject_gp(vcpu, 0); in kvm_complete_insn_gp()
647 return kvm_skip_emulated_instruction(vcpu); in kvm_complete_insn_gp()
653 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault) in kvm_inject_page_fault() argument
655 ++vcpu->stat.pf_guest; in kvm_inject_page_fault()
656 vcpu->arch.exception.nested_apf = in kvm_inject_page_fault()
657 is_guest_mode(vcpu) && fault->async_page_fault; in kvm_inject_page_fault()
658 if (vcpu->arch.exception.nested_apf) { in kvm_inject_page_fault()
659 vcpu->arch.apf.nested_apf_token = fault->address; in kvm_inject_page_fault()
660 kvm_queue_exception_e(vcpu, PF_VECTOR, fault->error_code); in kvm_inject_page_fault()
662 kvm_queue_exception_e_p(vcpu, PF_VECTOR, fault->error_code, in kvm_inject_page_fault()
668 bool kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu, in kvm_inject_emulated_page_fault() argument
674 fault_mmu = fault->nested_page_fault ? vcpu->arch.mmu : in kvm_inject_emulated_page_fault()
675 vcpu->arch.walk_mmu; in kvm_inject_emulated_page_fault()
683 kvm_mmu_invalidate_gva(vcpu, fault_mmu, fault->address, in kvm_inject_emulated_page_fault()
686 fault_mmu->inject_page_fault(vcpu, fault); in kvm_inject_emulated_page_fault()
691 void kvm_inject_nmi(struct kvm_vcpu *vcpu) in kvm_inject_nmi() argument
693 atomic_inc(&vcpu->arch.nmi_queued); in kvm_inject_nmi()
694 kvm_make_request(KVM_REQ_NMI, vcpu); in kvm_inject_nmi()
698 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code) in kvm_queue_exception_e() argument
700 kvm_multiple_exception(vcpu, nr, true, error_code, false, 0, false); in kvm_queue_exception_e()
704 void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code) in kvm_requeue_exception_e() argument
706 kvm_multiple_exception(vcpu, nr, true, error_code, false, 0, true); in kvm_requeue_exception_e()
714 bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl) in kvm_require_cpl() argument
716 if (kvm_x86_ops.get_cpl(vcpu) <= required_cpl) in kvm_require_cpl()
718 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in kvm_require_cpl()
723 bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr) in kvm_require_dr() argument
725 if ((dr != 4 && dr != 5) || !kvm_read_cr4_bits(vcpu, X86_CR4_DE)) in kvm_require_dr()
728 kvm_queue_exception(vcpu, UD_VECTOR); in kvm_require_dr()
738 int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, in kvm_read_guest_page_mmu() argument
747 real_gfn = mmu->translate_gpa(vcpu, ngpa, access, &exception); in kvm_read_guest_page_mmu()
753 return kvm_vcpu_read_guest_page(vcpu, real_gfn, data, offset, len); in kvm_read_guest_page_mmu()
757 static int kvm_read_nested_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, in kvm_read_nested_guest_page() argument
760 return kvm_read_guest_page_mmu(vcpu, vcpu->arch.walk_mmu, gfn, in kvm_read_nested_guest_page()
764 static inline u64 pdptr_rsvd_bits(struct kvm_vcpu *vcpu) in pdptr_rsvd_bits() argument
766 return rsvd_bits(cpuid_maxphyaddr(vcpu), 63) | rsvd_bits(5, 8) | in pdptr_rsvd_bits()
773 int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3) in load_pdptrs() argument
781 ret = kvm_read_guest_page_mmu(vcpu, mmu, pdpt_gfn, pdpte, in load_pdptrs()
790 (pdpte[i] & pdptr_rsvd_bits(vcpu))) { in load_pdptrs()
798 kvm_register_mark_dirty(vcpu, VCPU_EXREG_PDPTR); in load_pdptrs()
806 bool pdptrs_changed(struct kvm_vcpu *vcpu) in pdptrs_changed() argument
808 u64 pdpte[ARRAY_SIZE(vcpu->arch.walk_mmu->pdptrs)]; in pdptrs_changed()
813 if (!is_pae_paging(vcpu)) in pdptrs_changed()
816 if (!kvm_register_is_available(vcpu, VCPU_EXREG_PDPTR)) in pdptrs_changed()
819 gfn = (kvm_read_cr3(vcpu) & 0xffffffe0ul) >> PAGE_SHIFT; in pdptrs_changed()
820 offset = (kvm_read_cr3(vcpu) & 0xffffffe0ul) & (PAGE_SIZE - 1); in pdptrs_changed()
821 r = kvm_read_nested_guest_page(vcpu, gfn, pdpte, offset, sizeof(pdpte), in pdptrs_changed()
826 return memcmp(pdpte, vcpu->arch.walk_mmu->pdptrs, sizeof(pdpte)) != 0; in pdptrs_changed()
830 int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) in kvm_set_cr0() argument
832 unsigned long old_cr0 = kvm_read_cr0(vcpu); in kvm_set_cr0()
852 if ((vcpu->arch.efer & EFER_LME) && !is_paging(vcpu) && in kvm_set_cr0()
856 if (!is_pae(vcpu)) in kvm_set_cr0()
858 kvm_x86_ops.get_cs_db_l_bits(vcpu, &cs_db, &cs_l); in kvm_set_cr0()
863 if (!(vcpu->arch.efer & EFER_LME) && (cr0 & X86_CR0_PG) && in kvm_set_cr0()
864 is_pae(vcpu) && ((cr0 ^ old_cr0) & pdptr_bits) && in kvm_set_cr0()
865 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu))) in kvm_set_cr0()
868 if (!(cr0 & X86_CR0_PG) && kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE)) in kvm_set_cr0()
871 kvm_x86_ops.set_cr0(vcpu, cr0); in kvm_set_cr0()
874 kvm_clear_async_pf_completion_queue(vcpu); in kvm_set_cr0()
875 kvm_async_pf_hash_reset(vcpu); in kvm_set_cr0()
879 kvm_mmu_reset_context(vcpu); in kvm_set_cr0()
882 kvm_arch_has_noncoherent_dma(vcpu->kvm) && in kvm_set_cr0()
883 !kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) in kvm_set_cr0()
884 kvm_zap_gfn_range(vcpu->kvm, 0, ~0ULL); in kvm_set_cr0()
890 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw) in kvm_lmsw() argument
892 (void)kvm_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~0x0eul) | (msw & 0x0f)); in kvm_lmsw()
896 void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu) in kvm_load_guest_xsave_state() argument
898 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) { in kvm_load_guest_xsave_state()
900 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_guest_xsave_state()
901 xsetbv(XCR_XFEATURE_ENABLED_MASK, vcpu->arch.xcr0); in kvm_load_guest_xsave_state()
903 if (vcpu->arch.xsaves_enabled && in kvm_load_guest_xsave_state()
904 vcpu->arch.ia32_xss != host_xss) in kvm_load_guest_xsave_state()
905 wrmsrl(MSR_IA32_XSS, vcpu->arch.ia32_xss); in kvm_load_guest_xsave_state()
909 (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) || in kvm_load_guest_xsave_state()
910 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) && in kvm_load_guest_xsave_state()
911 vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_guest_xsave_state()
912 __write_pkru(vcpu->arch.pkru); in kvm_load_guest_xsave_state()
916 void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu) in kvm_load_host_xsave_state() argument
919 (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) || in kvm_load_host_xsave_state()
920 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) { in kvm_load_host_xsave_state()
921 vcpu->arch.pkru = rdpkru(); in kvm_load_host_xsave_state()
922 if (vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_host_xsave_state()
923 __write_pkru(vcpu->arch.host_pkru); in kvm_load_host_xsave_state()
926 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) { in kvm_load_host_xsave_state()
928 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_host_xsave_state()
931 if (vcpu->arch.xsaves_enabled && in kvm_load_host_xsave_state()
932 vcpu->arch.ia32_xss != host_xss) in kvm_load_host_xsave_state()
939 static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) in __kvm_set_xcr() argument
942 u64 old_xcr0 = vcpu->arch.xcr0; in __kvm_set_xcr()
958 valid_bits = vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FP; in __kvm_set_xcr()
972 vcpu->arch.xcr0 = xcr0; in __kvm_set_xcr()
975 kvm_update_cpuid_runtime(vcpu); in __kvm_set_xcr()
979 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) in kvm_set_xcr() argument
981 if (kvm_x86_ops.get_cpl(vcpu) != 0 || in kvm_set_xcr()
982 __kvm_set_xcr(vcpu, index, xcr)) { in kvm_set_xcr()
983 kvm_inject_gp(vcpu, 0); in kvm_set_xcr()
990 int kvm_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) in kvm_valid_cr4() argument
995 if (cr4 & vcpu->arch.cr4_guest_rsvd_bits) in kvm_valid_cr4()
998 if (!kvm_x86_ops.is_valid_cr4(vcpu, cr4)) in kvm_valid_cr4()
1005 int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) in kvm_set_cr4() argument
1007 unsigned long old_cr4 = kvm_read_cr4(vcpu); in kvm_set_cr4()
1012 if (kvm_valid_cr4(vcpu, cr4)) in kvm_set_cr4()
1015 if (is_long_mode(vcpu)) { in kvm_set_cr4()
1020 } else if (is_paging(vcpu) && (cr4 & X86_CR4_PAE) in kvm_set_cr4()
1022 && !load_pdptrs(vcpu, vcpu->arch.walk_mmu, in kvm_set_cr4()
1023 kvm_read_cr3(vcpu))) in kvm_set_cr4()
1027 if (!guest_cpuid_has(vcpu, X86_FEATURE_PCID)) in kvm_set_cr4()
1031 if ((kvm_read_cr3(vcpu) & X86_CR3_PCID_MASK) || !is_long_mode(vcpu)) in kvm_set_cr4()
1035 kvm_x86_ops.set_cr4(vcpu, cr4); in kvm_set_cr4()
1039 kvm_mmu_reset_context(vcpu); in kvm_set_cr4()
1042 kvm_update_cpuid_runtime(vcpu); in kvm_set_cr4()
1048 int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) in kvm_set_cr3() argument
1052 bool pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE); in kvm_set_cr3()
1060 if (cr3 == kvm_read_cr3(vcpu) && !pdptrs_changed(vcpu)) { in kvm_set_cr3()
1062 kvm_mmu_sync_roots(vcpu); in kvm_set_cr3()
1063 kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in kvm_set_cr3()
1068 if (is_long_mode(vcpu) && in kvm_set_cr3()
1069 (cr3 & vcpu->arch.cr3_lm_rsvd_bits)) in kvm_set_cr3()
1071 else if (is_pae_paging(vcpu) && in kvm_set_cr3()
1072 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3)) in kvm_set_cr3()
1075 kvm_mmu_new_pgd(vcpu, cr3, skip_tlb_flush, skip_tlb_flush); in kvm_set_cr3()
1076 vcpu->arch.cr3 = cr3; in kvm_set_cr3()
1077 kvm_register_mark_available(vcpu, VCPU_EXREG_CR3); in kvm_set_cr3()
1083 int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8) in kvm_set_cr8() argument
1087 if (lapic_in_kernel(vcpu)) in kvm_set_cr8()
1088 kvm_lapic_set_tpr(vcpu, cr8); in kvm_set_cr8()
1090 vcpu->arch.cr8 = cr8; in kvm_set_cr8()
1095 unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu) in kvm_get_cr8() argument
1097 if (lapic_in_kernel(vcpu)) in kvm_get_cr8()
1098 return kvm_lapic_get_cr8(vcpu); in kvm_get_cr8()
1100 return vcpu->arch.cr8; in kvm_get_cr8()
1104 static void kvm_update_dr0123(struct kvm_vcpu *vcpu) in kvm_update_dr0123() argument
1108 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) { in kvm_update_dr0123()
1110 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_update_dr0123()
1111 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD; in kvm_update_dr0123()
1115 void kvm_update_dr7(struct kvm_vcpu *vcpu) in kvm_update_dr7() argument
1119 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) in kvm_update_dr7()
1120 dr7 = vcpu->arch.guest_debug_dr7; in kvm_update_dr7()
1122 dr7 = vcpu->arch.dr7; in kvm_update_dr7()
1123 kvm_x86_ops.set_dr7(vcpu, dr7); in kvm_update_dr7()
1124 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1126 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1130 static u64 kvm_dr6_fixed(struct kvm_vcpu *vcpu) in kvm_dr6_fixed() argument
1134 if (!guest_cpuid_has(vcpu, X86_FEATURE_RTM)) in kvm_dr6_fixed()
1139 static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) in __kvm_set_dr() argument
1141 size_t size = ARRAY_SIZE(vcpu->arch.db); in __kvm_set_dr()
1145 vcpu->arch.db[array_index_nospec(dr, size)] = val; in __kvm_set_dr()
1146 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) in __kvm_set_dr()
1147 vcpu->arch.eff_db[dr] = val; in __kvm_set_dr()
1153 vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu); in __kvm_set_dr()
1159 vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1; in __kvm_set_dr()
1160 kvm_update_dr7(vcpu); in __kvm_set_dr()
1167 int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) in kvm_set_dr() argument
1169 if (__kvm_set_dr(vcpu, dr, val)) { in kvm_set_dr()
1170 kvm_inject_gp(vcpu, 0); in kvm_set_dr()
1177 int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val) in kvm_get_dr() argument
1179 size_t size = ARRAY_SIZE(vcpu->arch.db); in kvm_get_dr()
1183 *val = vcpu->arch.db[array_index_nospec(dr, size)]; in kvm_get_dr()
1187 *val = vcpu->arch.dr6; in kvm_get_dr()
1191 *val = vcpu->arch.dr7; in kvm_get_dr()
1198 bool kvm_rdpmc(struct kvm_vcpu *vcpu) in kvm_rdpmc() argument
1200 u32 ecx = kvm_rcx_read(vcpu); in kvm_rdpmc()
1204 err = kvm_pmu_rdpmc(vcpu, ecx, &data); in kvm_rdpmc()
1207 kvm_rax_write(vcpu, (u32)data); in kvm_rdpmc()
1208 kvm_rdx_write(vcpu, data >> 32); in kvm_rdpmc()
1467 static int do_get_msr_feature(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_get_msr_feature() argument
1478 if (kvm_msr_ignored_check(vcpu, index, 0, false)) in do_get_msr_feature()
1490 static bool __kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer) in __kvm_valid_efer() argument
1492 if (efer & EFER_FFXSR && !guest_cpuid_has(vcpu, X86_FEATURE_FXSR_OPT)) in __kvm_valid_efer()
1495 if (efer & EFER_SVME && !guest_cpuid_has(vcpu, X86_FEATURE_SVM)) in __kvm_valid_efer()
1499 !guest_cpuid_has(vcpu, X86_FEATURE_LM)) in __kvm_valid_efer()
1502 if (efer & EFER_NX && !guest_cpuid_has(vcpu, X86_FEATURE_NX)) in __kvm_valid_efer()
1508 bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer) in kvm_valid_efer() argument
1513 return __kvm_valid_efer(vcpu, efer); in kvm_valid_efer()
1517 static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in set_efer() argument
1519 u64 old_efer = vcpu->arch.efer; in set_efer()
1527 if (!__kvm_valid_efer(vcpu, efer)) in set_efer()
1530 if (is_paging(vcpu) && in set_efer()
1531 (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) in set_efer()
1536 efer |= vcpu->arch.efer & EFER_LMA; in set_efer()
1538 r = kvm_x86_ops.set_efer(vcpu, efer); in set_efer()
1546 kvm_mmu_reset_context(vcpu); in set_efer()
1557 bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type) in kvm_msr_allowed() argument
1561 struct kvm *kvm = vcpu->kvm; in kvm_msr_allowed()
1593 ++vcpu->stat.exits; in kvm_msr_allowed()
1609 static int __kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data, in __kvm_set_msr() argument
1614 if (!host_initiated && !kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_WRITE)) in __kvm_set_msr()
1623 if (is_noncanonical_address(data, vcpu)) in __kvm_set_msr()
1640 data = get_canonical(data, vcpu_virt_addr_bits(vcpu)); in __kvm_set_msr()
1647 return kvm_x86_ops.set_msr(vcpu, &msr); in __kvm_set_msr()
1650 static int kvm_set_msr_ignored_check(struct kvm_vcpu *vcpu, in kvm_set_msr_ignored_check() argument
1653 int ret = __kvm_set_msr(vcpu, index, data, host_initiated); in kvm_set_msr_ignored_check()
1656 if (kvm_msr_ignored_check(vcpu, index, data, true)) in kvm_set_msr_ignored_check()
1668 int __kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data, in __kvm_get_msr() argument
1674 if (!host_initiated && !kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_READ)) in __kvm_get_msr()
1680 ret = kvm_x86_ops.get_msr(vcpu, &msr); in __kvm_get_msr()
1686 static int kvm_get_msr_ignored_check(struct kvm_vcpu *vcpu, in kvm_get_msr_ignored_check() argument
1689 int ret = __kvm_get_msr(vcpu, index, data, host_initiated); in kvm_get_msr_ignored_check()
1694 if (kvm_msr_ignored_check(vcpu, index, 0, false)) in kvm_get_msr_ignored_check()
1701 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data) in kvm_get_msr() argument
1703 return kvm_get_msr_ignored_check(vcpu, index, data, false); in kvm_get_msr()
1707 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data) in kvm_set_msr() argument
1709 return kvm_set_msr_ignored_check(vcpu, index, data, false); in kvm_set_msr()
1713 static int complete_emulated_msr(struct kvm_vcpu *vcpu, bool is_read) in complete_emulated_msr() argument
1715 if (vcpu->run->msr.error) { in complete_emulated_msr()
1716 kvm_inject_gp(vcpu, 0); in complete_emulated_msr()
1719 kvm_rax_write(vcpu, (u32)vcpu->run->msr.data); in complete_emulated_msr()
1720 kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); in complete_emulated_msr()
1723 return kvm_skip_emulated_instruction(vcpu); in complete_emulated_msr()
1726 static int complete_emulated_rdmsr(struct kvm_vcpu *vcpu) in complete_emulated_rdmsr() argument
1728 return complete_emulated_msr(vcpu, true); in complete_emulated_rdmsr()
1731 static int complete_emulated_wrmsr(struct kvm_vcpu *vcpu) in complete_emulated_wrmsr() argument
1733 return complete_emulated_msr(vcpu, false); in complete_emulated_wrmsr()
1748 static int kvm_msr_user_space(struct kvm_vcpu *vcpu, u32 index, in kvm_msr_user_space() argument
1750 int (*completion)(struct kvm_vcpu *vcpu), in kvm_msr_user_space() argument
1756 if (!(vcpu->kvm->arch.user_space_msr_mask & msr_reason)) in kvm_msr_user_space()
1759 vcpu->run->exit_reason = exit_reason; in kvm_msr_user_space()
1760 vcpu->run->msr.error = 0; in kvm_msr_user_space()
1761 memset(vcpu->run->msr.pad, 0, sizeof(vcpu->run->msr.pad)); in kvm_msr_user_space()
1762 vcpu->run->msr.reason = msr_reason; in kvm_msr_user_space()
1763 vcpu->run->msr.index = index; in kvm_msr_user_space()
1764 vcpu->run->msr.data = data; in kvm_msr_user_space()
1765 vcpu->arch.complete_userspace_io = completion; in kvm_msr_user_space()
1770 static int kvm_get_msr_user_space(struct kvm_vcpu *vcpu, u32 index, int r) in kvm_get_msr_user_space() argument
1772 return kvm_msr_user_space(vcpu, index, KVM_EXIT_X86_RDMSR, 0, in kvm_get_msr_user_space()
1776 static int kvm_set_msr_user_space(struct kvm_vcpu *vcpu, u32 index, u64 data, int r) in kvm_set_msr_user_space() argument
1778 return kvm_msr_user_space(vcpu, index, KVM_EXIT_X86_WRMSR, data, in kvm_set_msr_user_space()
1782 int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu) in kvm_emulate_rdmsr() argument
1784 u32 ecx = kvm_rcx_read(vcpu); in kvm_emulate_rdmsr()
1788 r = kvm_get_msr(vcpu, ecx, &data); in kvm_emulate_rdmsr()
1791 if (r && kvm_get_msr_user_space(vcpu, ecx, r)) { in kvm_emulate_rdmsr()
1799 kvm_inject_gp(vcpu, 0); in kvm_emulate_rdmsr()
1805 kvm_rax_write(vcpu, data & -1u); in kvm_emulate_rdmsr()
1806 kvm_rdx_write(vcpu, (data >> 32) & -1u); in kvm_emulate_rdmsr()
1807 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_rdmsr()
1811 int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu) in kvm_emulate_wrmsr() argument
1813 u32 ecx = kvm_rcx_read(vcpu); in kvm_emulate_wrmsr()
1814 u64 data = kvm_read_edx_eax(vcpu); in kvm_emulate_wrmsr()
1817 r = kvm_set_msr(vcpu, ecx, data); in kvm_emulate_wrmsr()
1820 if (r && kvm_set_msr_user_space(vcpu, ecx, data, r)) in kvm_emulate_wrmsr()
1831 kvm_inject_gp(vcpu, 0); in kvm_emulate_wrmsr()
1836 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_wrmsr()
1840 bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu) in kvm_vcpu_exit_request() argument
1842 return vcpu->mode == EXITING_GUEST_MODE || kvm_request_pending(vcpu) || in kvm_vcpu_exit_request()
1854 static int handle_fastpath_set_x2apic_icr_irqoff(struct kvm_vcpu *vcpu, u64 data) in handle_fastpath_set_x2apic_icr_irqoff() argument
1856 if (!lapic_in_kernel(vcpu) || !apic_x2apic_mode(vcpu->arch.apic)) in handle_fastpath_set_x2apic_icr_irqoff()
1865 kvm_apic_send_ipi(vcpu->arch.apic, (u32)data, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1866 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR2, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1867 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR, (u32)data); in handle_fastpath_set_x2apic_icr_irqoff()
1875 static int handle_fastpath_set_tscdeadline(struct kvm_vcpu *vcpu, u64 data) in handle_fastpath_set_tscdeadline() argument
1877 if (!kvm_can_use_hv_timer(vcpu)) in handle_fastpath_set_tscdeadline()
1880 kvm_set_lapic_tscdeadline_msr(vcpu, data); in handle_fastpath_set_tscdeadline()
1884 fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu) in handle_fastpath_set_msr_irqoff() argument
1886 u32 msr = kvm_rcx_read(vcpu); in handle_fastpath_set_msr_irqoff()
1892 data = kvm_read_edx_eax(vcpu); in handle_fastpath_set_msr_irqoff()
1893 if (!handle_fastpath_set_x2apic_icr_irqoff(vcpu, data)) { in handle_fastpath_set_msr_irqoff()
1894 kvm_skip_emulated_instruction(vcpu); in handle_fastpath_set_msr_irqoff()
1899 data = kvm_read_edx_eax(vcpu); in handle_fastpath_set_msr_irqoff()
1900 if (!handle_fastpath_set_tscdeadline(vcpu, data)) { in handle_fastpath_set_msr_irqoff()
1901 kvm_skip_emulated_instruction(vcpu); in handle_fastpath_set_msr_irqoff()
1919 static int do_get_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_get_msr() argument
1921 return kvm_get_msr_ignored_check(vcpu, index, data, true); in do_get_msr()
1924 static int do_set_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_set_msr() argument
1926 return kvm_set_msr_ignored_check(vcpu, index, *data, true); in do_set_msr()
2036 static void kvm_write_system_time(struct kvm_vcpu *vcpu, gpa_t system_time, in kvm_write_system_time() argument
2039 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_write_system_time()
2041 if (vcpu->vcpu_id == 0 && !host_initiated) { in kvm_write_system_time()
2043 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_write_system_time()
2048 vcpu->arch.time = system_time; in kvm_write_system_time()
2049 kvm_make_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu); in kvm_write_system_time()
2052 vcpu->arch.pv_time_enabled = false; in kvm_write_system_time()
2056 if (!kvm_gfn_to_hva_cache_init(vcpu->kvm, in kvm_write_system_time()
2057 &vcpu->arch.pv_time, system_time & ~1ULL, in kvm_write_system_time()
2059 vcpu->arch.pv_time_enabled = true; in kvm_write_system_time()
2112 static int set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale) in set_tsc_khz() argument
2118 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in set_tsc_khz()
2125 vcpu->arch.tsc_catchup = 1; in set_tsc_khz()
2126 vcpu->arch.tsc_always_catchup = 1; in set_tsc_khz()
2144 vcpu->arch.tsc_scaling_ratio = ratio; in set_tsc_khz()
2148 static int kvm_set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz) in kvm_set_tsc_khz() argument
2156 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in kvm_set_tsc_khz()
2162 &vcpu->arch.virtual_tsc_shift, in kvm_set_tsc_khz()
2163 &vcpu->arch.virtual_tsc_mult); in kvm_set_tsc_khz()
2164 vcpu->arch.virtual_tsc_khz = user_tsc_khz; in kvm_set_tsc_khz()
2178 return set_tsc_khz(vcpu, user_tsc_khz, use_scaling); in kvm_set_tsc_khz()
2181 static u64 compute_guest_tsc(struct kvm_vcpu *vcpu, s64 kernel_ns) in compute_guest_tsc() argument
2183 u64 tsc = pvclock_scale_delta(kernel_ns-vcpu->arch.this_tsc_nsec, in compute_guest_tsc()
2184 vcpu->arch.virtual_tsc_mult, in compute_guest_tsc()
2185 vcpu->arch.virtual_tsc_shift); in compute_guest_tsc()
2186 tsc += vcpu->arch.this_tsc_write; in compute_guest_tsc()
2195 static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu) in kvm_track_tsc_matching() argument
2199 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_track_tsc_matching()
2203 atomic_read(&vcpu->kvm->online_vcpus)); in kvm_track_tsc_matching()
2215 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_track_tsc_matching()
2217 trace_kvm_track_tsc(vcpu->vcpu_id, ka->nr_vcpus_matched_tsc, in kvm_track_tsc_matching()
2218 atomic_read(&vcpu->kvm->online_vcpus), in kvm_track_tsc_matching()
2238 u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc) in kvm_scale_tsc() argument
2241 u64 ratio = vcpu->arch.tsc_scaling_ratio; in kvm_scale_tsc()
2250 static u64 kvm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) in kvm_compute_tsc_offset() argument
2254 tsc = kvm_scale_tsc(vcpu, rdtsc()); in kvm_compute_tsc_offset()
2259 u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc) in kvm_read_l1_tsc() argument
2261 return vcpu->arch.l1_tsc_offset + kvm_scale_tsc(vcpu, host_tsc); in kvm_read_l1_tsc()
2265 static void kvm_vcpu_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) in kvm_vcpu_write_tsc_offset() argument
2267 vcpu->arch.l1_tsc_offset = offset; in kvm_vcpu_write_tsc_offset()
2268 vcpu->arch.tsc_offset = kvm_x86_ops.write_l1_tsc_offset(vcpu, offset); in kvm_vcpu_write_tsc_offset()
2284 static void kvm_synchronize_tsc(struct kvm_vcpu *vcpu, u64 data) in kvm_synchronize_tsc() argument
2286 struct kvm *kvm = vcpu->kvm; in kvm_synchronize_tsc()
2294 offset = kvm_compute_tsc_offset(vcpu, data); in kvm_synchronize_tsc()
2298 if (vcpu->arch.virtual_tsc_khz) { in kvm_synchronize_tsc()
2301 * detection of vcpu initialization -- need to sync in kvm_synchronize_tsc()
2308 nsec_to_cycles(vcpu, elapsed); in kvm_synchronize_tsc()
2309 u64 tsc_hz = vcpu->arch.virtual_tsc_khz * 1000LL; in kvm_synchronize_tsc()
2327 vcpu->arch.virtual_tsc_khz == kvm->arch.last_tsc_khz) { in kvm_synchronize_tsc()
2331 u64 delta = nsec_to_cycles(vcpu, elapsed); in kvm_synchronize_tsc()
2333 offset = kvm_compute_tsc_offset(vcpu, data); in kvm_synchronize_tsc()
2336 already_matched = (vcpu->arch.this_tsc_generation == kvm->arch.cur_tsc_generation); in kvm_synchronize_tsc()
2360 kvm->arch.last_tsc_khz = vcpu->arch.virtual_tsc_khz; in kvm_synchronize_tsc()
2362 vcpu->arch.last_guest_tsc = data; in kvm_synchronize_tsc()
2364 /* Keep track of which generation this VCPU has synchronized to */ in kvm_synchronize_tsc()
2365 vcpu->arch.this_tsc_generation = kvm->arch.cur_tsc_generation; in kvm_synchronize_tsc()
2366 vcpu->arch.this_tsc_nsec = kvm->arch.cur_tsc_nsec; in kvm_synchronize_tsc()
2367 vcpu->arch.this_tsc_write = kvm->arch.cur_tsc_write; in kvm_synchronize_tsc()
2369 kvm_vcpu_write_tsc_offset(vcpu, offset); in kvm_synchronize_tsc()
2379 kvm_track_tsc_matching(vcpu); in kvm_synchronize_tsc()
2383 static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, in adjust_tsc_offset_guest() argument
2386 u64 tsc_offset = vcpu->arch.l1_tsc_offset; in adjust_tsc_offset_guest()
2387 kvm_vcpu_write_tsc_offset(vcpu, tsc_offset + adjustment); in adjust_tsc_offset_guest()
2390 static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) in adjust_tsc_offset_host() argument
2392 if (vcpu->arch.tsc_scaling_ratio != kvm_default_tsc_scaling_ratio) in adjust_tsc_offset_host()
2394 adjustment = kvm_scale_tsc(vcpu, (u64) adjustment); in adjust_tsc_offset_host()
2395 adjust_tsc_offset_guest(vcpu, adjustment); in adjust_tsc_offset_host()
2600 struct kvm_vcpu *vcpu; in kvm_gen_update_masterclock() local
2608 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_gen_update_masterclock()
2609 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_gen_update_masterclock()
2612 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_gen_update_masterclock()
2613 kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu); in kvm_gen_update_masterclock()
2653 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_setup_pvclock_page() local
2656 if (unlikely(kvm_read_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2660 /* This VCPU is paused, but it's legal for a guest to read another in kvm_setup_pvclock_page()
2661 * VCPU's kvmclock, so we really have to follow the specification where in kvm_setup_pvclock_page()
2671 * and third write. The vcpu->pv_time cache is still valid, because the in kvm_setup_pvclock_page()
2679 vcpu->hv_clock.version = guest_hv_clock.version + 1; in kvm_setup_pvclock_page()
2680 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2681 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2682 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2687 vcpu->hv_clock.flags |= (guest_hv_clock.flags & PVCLOCK_GUEST_STOPPED); in kvm_setup_pvclock_page()
2689 if (vcpu->pvclock_set_guest_stopped_request) { in kvm_setup_pvclock_page()
2690 vcpu->hv_clock.flags |= PVCLOCK_GUEST_STOPPED; in kvm_setup_pvclock_page()
2691 vcpu->pvclock_set_guest_stopped_request = false; in kvm_setup_pvclock_page()
2694 trace_kvm_pvclock_update(v->vcpu_id, &vcpu->hv_clock); in kvm_setup_pvclock_page()
2696 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2697 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2698 sizeof(vcpu->hv_clock)); in kvm_setup_pvclock_page()
2702 vcpu->hv_clock.version++; in kvm_setup_pvclock_page()
2703 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2704 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2705 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2711 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_guest_time_update() local
2752 * 2) Broken TSC compensation resets the base at each VCPU in kvm_guest_time_update()
2758 if (vcpu->tsc_catchup) { in kvm_guest_time_update()
2773 if (unlikely(vcpu->hw_tsc_khz != tgt_tsc_khz)) { in kvm_guest_time_update()
2775 &vcpu->hv_clock.tsc_shift, in kvm_guest_time_update()
2776 &vcpu->hv_clock.tsc_to_system_mul); in kvm_guest_time_update()
2777 vcpu->hw_tsc_khz = tgt_tsc_khz; in kvm_guest_time_update()
2780 vcpu->hv_clock.tsc_timestamp = tsc_timestamp; in kvm_guest_time_update()
2781 vcpu->hv_clock.system_time = kernel_ns + v->kvm->arch.kvmclock_offset; in kvm_guest_time_update()
2782 vcpu->last_guest_tsc = tsc_timestamp; in kvm_guest_time_update()
2789 vcpu->hv_clock.flags = pvclock_flags; in kvm_guest_time_update()
2791 if (vcpu->pv_time_enabled) in kvm_guest_time_update()
2794 kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock); in kvm_guest_time_update()
2799 * kvmclock updates which are isolated to a given vcpu, such as
2800 * vcpu->cpu migration, should not allow system_timestamp from
2802 * correction applies to one vcpu's system_timestamp but not
2808 * The time for a remote vcpu to update its kvmclock is bound
2821 struct kvm_vcpu *vcpu; in kvmclock_update_fn() local
2823 kvm_for_each_vcpu(i, vcpu, kvm) { in kvmclock_update_fn()
2824 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvmclock_update_fn()
2825 kvm_vcpu_kick(vcpu); in kvmclock_update_fn()
2858 static bool can_set_mci_status(struct kvm_vcpu *vcpu) in can_set_mci_status() argument
2861 if (guest_cpuid_is_amd_or_hygon(vcpu)) in can_set_mci_status()
2862 return !!(vcpu->arch.msr_hwcr & BIT_ULL(18)); in can_set_mci_status()
2867 static int set_msr_mce(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in set_msr_mce() argument
2869 u64 mcg_cap = vcpu->arch.mcg_cap; in set_msr_mce()
2876 vcpu->arch.mcg_status = data; in set_msr_mce()
2884 vcpu->arch.mcg_ctl = data; in set_msr_mce()
2908 if (!can_set_mci_status(vcpu)) in set_msr_mce()
2912 vcpu->arch.mce_banks[offset] = data; in set_msr_mce()
2920 static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data) in xen_hvm_config() argument
2922 struct kvm *kvm = vcpu->kvm; in xen_hvm_config()
2923 int lm = is_long_mode(vcpu); in xen_hvm_config()
2939 if (kvm_vcpu_write_guest(vcpu, page_addr, page, PAGE_SIZE)) { in xen_hvm_config()
2946 static inline bool kvm_pv_async_pf_enabled(struct kvm_vcpu *vcpu) in kvm_pv_async_pf_enabled() argument
2950 return (vcpu->arch.apf.msr_en_val & mask) == mask; in kvm_pv_async_pf_enabled()
2953 static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data) in kvm_pv_enable_async_pf() argument
2961 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_VMEXIT) && in kvm_pv_enable_async_pf()
2965 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT) && in kvm_pv_enable_async_pf()
2969 if (!lapic_in_kernel(vcpu)) in kvm_pv_enable_async_pf()
2972 vcpu->arch.apf.msr_en_val = data; in kvm_pv_enable_async_pf()
2974 if (!kvm_pv_async_pf_enabled(vcpu)) { in kvm_pv_enable_async_pf()
2975 kvm_clear_async_pf_completion_queue(vcpu); in kvm_pv_enable_async_pf()
2976 kvm_async_pf_hash_reset(vcpu); in kvm_pv_enable_async_pf()
2980 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa, in kvm_pv_enable_async_pf()
2984 vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS); in kvm_pv_enable_async_pf()
2985 vcpu->arch.apf.delivery_as_pf_vmexit = data & KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT; in kvm_pv_enable_async_pf()
2987 kvm_async_pf_wakeup_all(vcpu); in kvm_pv_enable_async_pf()
2992 static int kvm_pv_enable_async_pf_int(struct kvm_vcpu *vcpu, u64 data) in kvm_pv_enable_async_pf_int() argument
2998 if (!lapic_in_kernel(vcpu)) in kvm_pv_enable_async_pf_int()
3001 vcpu->arch.apf.msr_int_val = data; in kvm_pv_enable_async_pf_int()
3003 vcpu->arch.apf.vec = data & KVM_ASYNC_PF_VEC_MASK; in kvm_pv_enable_async_pf_int()
3008 static void kvmclock_reset(struct kvm_vcpu *vcpu) in kvmclock_reset() argument
3010 vcpu->arch.pv_time_enabled = false; in kvmclock_reset()
3011 vcpu->arch.time = 0; in kvmclock_reset()
3014 static void kvm_vcpu_flush_tlb_all(struct kvm_vcpu *vcpu) in kvm_vcpu_flush_tlb_all() argument
3016 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_all()
3017 kvm_x86_ops.tlb_flush_all(vcpu); in kvm_vcpu_flush_tlb_all()
3020 static void kvm_vcpu_flush_tlb_guest(struct kvm_vcpu *vcpu) in kvm_vcpu_flush_tlb_guest() argument
3022 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_guest()
3023 kvm_x86_ops.tlb_flush_guest(vcpu); in kvm_vcpu_flush_tlb_guest()
3026 static void record_steal_time(struct kvm_vcpu *vcpu) in record_steal_time() argument
3028 struct gfn_to_hva_cache *ghc = &vcpu->arch.st.cache; in record_steal_time()
3031 gpa_t gpa = vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS; in record_steal_time()
3035 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in record_steal_time()
3038 if (WARN_ON_ONCE(current->mm != vcpu->kvm->mm)) in record_steal_time()
3041 slots = kvm_memslots(vcpu->kvm); in record_steal_time()
3049 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, ghc, gpa, sizeof(*st)) || in record_steal_time()
3059 if (guest_pv_has(vcpu, KVM_FEATURE_PV_TLB_FLUSH)) { in record_steal_time()
3078 vcpu->arch.st.preempted = 0; in record_steal_time()
3080 trace_kvm_pv_tlb_flush(vcpu->vcpu_id, in record_steal_time()
3083 kvm_vcpu_flush_tlb_guest(vcpu); in record_steal_time()
3092 vcpu->arch.st.preempted = 0; in record_steal_time()
3106 vcpu->arch.st.last_steal; in record_steal_time()
3107 vcpu->arch.st.last_steal = current->sched_info.run_delay; in record_steal_time()
3119 int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_set_msr_common() argument
3137 vcpu->arch.microcode_version = data; in kvm_set_msr_common()
3142 vcpu->arch.arch_capabilities = data; in kvm_set_msr_common()
3154 vcpu->arch.perf_capabilities = data; in kvm_set_msr_common()
3159 return set_efer(vcpu, msr_info); in kvm_set_msr_common()
3167 vcpu->arch.msr_hwcr = data; in kvm_set_msr_common()
3169 vcpu_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n", in kvm_set_msr_common()
3176 vcpu_unimpl(vcpu, "unimplemented MMIO_CONF_BASE wrmsr: " in kvm_set_msr_common()
3190 vcpu_unimpl(vcpu, "%s: MSR_IA32_DEBUGCTLMSR 0x%llx, nop\n", in kvm_set_msr_common()
3194 return kvm_mtrr_set_msr(vcpu, msr, data); in kvm_set_msr_common()
3196 return kvm_set_apic_base(vcpu, msr_info); in kvm_set_msr_common()
3198 return kvm_x2apic_msr_write(vcpu, msr, data); in kvm_set_msr_common()
3200 kvm_set_lapic_tscdeadline_msr(vcpu, data); in kvm_set_msr_common()
3203 if (guest_cpuid_has(vcpu, X86_FEATURE_TSC_ADJUST)) { in kvm_set_msr_common()
3205 s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr; in kvm_set_msr_common()
3206 adjust_tsc_offset_guest(vcpu, adj); in kvm_set_msr_common()
3210 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_set_msr_common()
3212 vcpu->arch.ia32_tsc_adjust_msr = data; in kvm_set_msr_common()
3216 if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT) && in kvm_set_msr_common()
3217 ((vcpu->arch.ia32_misc_enable_msr ^ data) & MSR_IA32_MISC_ENABLE_MWAIT)) { in kvm_set_msr_common()
3218 if (!guest_cpuid_has(vcpu, X86_FEATURE_XMM3)) in kvm_set_msr_common()
3220 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3221 kvm_update_cpuid_runtime(vcpu); in kvm_set_msr_common()
3223 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3229 vcpu->arch.smbase = data; in kvm_set_msr_common()
3232 vcpu->arch.msr_ia32_power_ctl = data; in kvm_set_msr_common()
3236 kvm_synchronize_tsc(vcpu, data); in kvm_set_msr_common()
3238 u64 adj = kvm_compute_tsc_offset(vcpu, data) - vcpu->arch.l1_tsc_offset; in kvm_set_msr_common()
3239 adjust_tsc_offset_guest(vcpu, adj); in kvm_set_msr_common()
3240 vcpu->arch.ia32_tsc_adjust_msr += adj; in kvm_set_msr_common()
3245 !guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)) in kvm_set_msr_common()
3254 vcpu->arch.ia32_xss = data; in kvm_set_msr_common()
3255 kvm_update_cpuid_runtime(vcpu); in kvm_set_msr_common()
3260 vcpu->arch.smi_count = data; in kvm_set_msr_common()
3263 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_set_msr_common()
3266 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3269 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_set_msr_common()
3272 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3275 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_set_msr_common()
3278 kvm_write_system_time(vcpu, data, false, msr_info->host_initiated); in kvm_set_msr_common()
3281 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_set_msr_common()
3284 kvm_write_system_time(vcpu, data, true, msr_info->host_initiated); in kvm_set_msr_common()
3287 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) in kvm_set_msr_common()
3290 if (kvm_pv_enable_async_pf(vcpu, data)) in kvm_set_msr_common()
3294 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_set_msr_common()
3297 if (kvm_pv_enable_async_pf_int(vcpu, data)) in kvm_set_msr_common()
3301 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_set_msr_common()
3304 vcpu->arch.apf.pageready_pending = false; in kvm_set_msr_common()
3305 kvm_check_async_pf_completion(vcpu); in kvm_set_msr_common()
3309 if (!guest_pv_has(vcpu, KVM_FEATURE_STEAL_TIME)) in kvm_set_msr_common()
3318 vcpu->arch.st.msr_val = data; in kvm_set_msr_common()
3323 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_set_msr_common()
3327 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_EOI)) in kvm_set_msr_common()
3330 if (kvm_lapic_enable_pv_eoi(vcpu, data, sizeof(u8))) in kvm_set_msr_common()
3335 if (!guest_pv_has(vcpu, KVM_FEATURE_POLL_CONTROL)) in kvm_set_msr_common()
3342 vcpu->arch.msr_kvm_poll_control = data; in kvm_set_msr_common()
3348 return set_msr_mce(vcpu, msr_info); in kvm_set_msr_common()
3356 if (kvm_pmu_is_valid_msr(vcpu, msr)) in kvm_set_msr_common()
3357 return kvm_pmu_set_msr(vcpu, msr_info); in kvm_set_msr_common()
3360 vcpu_unimpl(vcpu, "disabled perfctr wrmsr: " in kvm_set_msr_common()
3382 return kvm_hv_set_msr_common(vcpu, msr, data, in kvm_set_msr_common()
3389 vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", in kvm_set_msr_common()
3393 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_set_msr_common()
3395 vcpu->arch.osvw.length = data; in kvm_set_msr_common()
3398 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_set_msr_common()
3400 vcpu->arch.osvw.status = data; in kvm_set_msr_common()
3405 cpuid_fault_enabled(vcpu))) in kvm_set_msr_common()
3407 vcpu->arch.msr_platform_info = data; in kvm_set_msr_common()
3412 !supports_cpuid_fault(vcpu))) in kvm_set_msr_common()
3414 vcpu->arch.msr_misc_features_enables = data; in kvm_set_msr_common()
3417 if (msr && (msr == vcpu->kvm->arch.xen_hvm_config.msr)) in kvm_set_msr_common()
3418 return xen_hvm_config(vcpu, data); in kvm_set_msr_common()
3419 if (kvm_pmu_is_valid_msr(vcpu, msr)) in kvm_set_msr_common()
3420 return kvm_pmu_set_msr(vcpu, msr_info); in kvm_set_msr_common()
3427 static int get_msr_mce(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host) in get_msr_mce() argument
3430 u64 mcg_cap = vcpu->arch.mcg_cap; in get_msr_mce()
3439 data = vcpu->arch.mcg_cap; in get_msr_mce()
3444 data = vcpu->arch.mcg_ctl; in get_msr_mce()
3447 data = vcpu->arch.mcg_status; in get_msr_mce()
3456 data = vcpu->arch.mce_banks[offset]; in get_msr_mce()
3465 int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_get_msr_common() argument
3504 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3505 return kvm_pmu_get_msr(vcpu, msr_info); in kvm_get_msr_common()
3509 msr_info->data = vcpu->arch.microcode_version; in kvm_get_msr_common()
3513 !guest_cpuid_has(vcpu, X86_FEATURE_ARCH_CAPABILITIES)) in kvm_get_msr_common()
3515 msr_info->data = vcpu->arch.arch_capabilities; in kvm_get_msr_common()
3519 !guest_cpuid_has(vcpu, X86_FEATURE_PDCM)) in kvm_get_msr_common()
3521 msr_info->data = vcpu->arch.perf_capabilities; in kvm_get_msr_common()
3524 msr_info->data = vcpu->arch.msr_ia32_power_ctl; in kvm_get_msr_common()
3536 u64 tsc_offset = msr_info->host_initiated ? vcpu->arch.l1_tsc_offset : in kvm_get_msr_common()
3537 vcpu->arch.tsc_offset; in kvm_get_msr_common()
3539 msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + tsc_offset; in kvm_get_msr_common()
3544 return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3563 msr_info->data = kvm_get_apic_base(vcpu); in kvm_get_msr_common()
3566 return kvm_x2apic_msr_read(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3568 msr_info->data = kvm_get_lapic_tscdeadline_msr(vcpu); in kvm_get_msr_common()
3571 msr_info->data = (u64)vcpu->arch.ia32_tsc_adjust_msr; in kvm_get_msr_common()
3574 msr_info->data = vcpu->arch.ia32_misc_enable_msr; in kvm_get_msr_common()
3579 msr_info->data = vcpu->arch.smbase; in kvm_get_msr_common()
3582 msr_info->data = vcpu->arch.smi_count; in kvm_get_msr_common()
3591 msr_info->data = vcpu->arch.efer; in kvm_get_msr_common()
3594 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_get_msr_common()
3597 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3600 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_get_msr_common()
3603 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3606 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_get_msr_common()
3609 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3612 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_get_msr_common()
3615 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3618 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) in kvm_get_msr_common()
3621 msr_info->data = vcpu->arch.apf.msr_en_val; in kvm_get_msr_common()
3624 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_get_msr_common()
3627 msr_info->data = vcpu->arch.apf.msr_int_val; in kvm_get_msr_common()
3630 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_get_msr_common()
3636 if (!guest_pv_has(vcpu, KVM_FEATURE_STEAL_TIME)) in kvm_get_msr_common()
3639 msr_info->data = vcpu->arch.st.msr_val; in kvm_get_msr_common()
3642 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_EOI)) in kvm_get_msr_common()
3645 msr_info->data = vcpu->arch.pv_eoi.msr_val; in kvm_get_msr_common()
3648 if (!guest_pv_has(vcpu, KVM_FEATURE_POLL_CONTROL)) in kvm_get_msr_common()
3651 msr_info->data = vcpu->arch.msr_kvm_poll_control; in kvm_get_msr_common()
3659 return get_msr_mce(vcpu, msr_info->index, &msr_info->data, in kvm_get_msr_common()
3663 !guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)) in kvm_get_msr_common()
3665 msr_info->data = vcpu->arch.ia32_xss; in kvm_get_msr_common()
3688 return kvm_hv_get_msr_common(vcpu, in kvm_get_msr_common()
3705 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_get_msr_common()
3707 msr_info->data = vcpu->arch.osvw.length; in kvm_get_msr_common()
3710 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_get_msr_common()
3712 msr_info->data = vcpu->arch.osvw.status; in kvm_get_msr_common()
3716 !vcpu->kvm->arch.guest_can_read_msr_platform_info) in kvm_get_msr_common()
3718 msr_info->data = vcpu->arch.msr_platform_info; in kvm_get_msr_common()
3721 msr_info->data = vcpu->arch.msr_misc_features_enables; in kvm_get_msr_common()
3724 msr_info->data = vcpu->arch.msr_hwcr; in kvm_get_msr_common()
3727 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3728 return kvm_pmu_get_msr(vcpu, msr_info); in kvm_get_msr_common()
3740 static int __msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs *msrs, in __msr_io() argument
3742 int (*do_msr)(struct kvm_vcpu *vcpu, in __msr_io() argument
3748 if (do_msr(vcpu, entries[i].index, &entries[i].data)) in __msr_io()
3759 static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, in msr_io() argument
3760 int (*do_msr)(struct kvm_vcpu *vcpu, in msr_io() argument
3784 r = n = __msr_io(vcpu, &msrs, entries, do_msr); in msr_io()
4041 static bool need_emulate_wbinvd(struct kvm_vcpu *vcpu) in need_emulate_wbinvd() argument
4043 return kvm_arch_has_noncoherent_dma(vcpu->kvm); in need_emulate_wbinvd()
4046 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_vcpu_load() argument
4049 if (need_emulate_wbinvd(vcpu)) { in kvm_arch_vcpu_load()
4051 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_load()
4052 else if (vcpu->cpu != -1 && vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4053 smp_call_function_single(vcpu->cpu, in kvm_arch_vcpu_load()
4057 kvm_x86_ops.vcpu_load(vcpu, cpu); in kvm_arch_vcpu_load()
4060 vcpu->arch.host_pkru = read_pkru(); in kvm_arch_vcpu_load()
4063 if (unlikely(vcpu->arch.tsc_offset_adjustment)) { in kvm_arch_vcpu_load()
4064 adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment); in kvm_arch_vcpu_load()
4065 vcpu->arch.tsc_offset_adjustment = 0; in kvm_arch_vcpu_load()
4066 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_arch_vcpu_load()
4069 if (unlikely(vcpu->cpu != cpu) || kvm_check_tsc_unstable()) { in kvm_arch_vcpu_load()
4070 s64 tsc_delta = !vcpu->arch.last_host_tsc ? 0 : in kvm_arch_vcpu_load()
4071 rdtsc() - vcpu->arch.last_host_tsc; in kvm_arch_vcpu_load()
4076 u64 offset = kvm_compute_tsc_offset(vcpu, in kvm_arch_vcpu_load()
4077 vcpu->arch.last_guest_tsc); in kvm_arch_vcpu_load()
4078 kvm_vcpu_write_tsc_offset(vcpu, offset); in kvm_arch_vcpu_load()
4079 vcpu->arch.tsc_catchup = 1; in kvm_arch_vcpu_load()
4082 if (kvm_lapic_hv_timer_in_use(vcpu)) in kvm_arch_vcpu_load()
4083 kvm_lapic_restart_hv_timer(vcpu); in kvm_arch_vcpu_load()
4087 * kvmclock on vcpu->cpu migration in kvm_arch_vcpu_load()
4089 if (!vcpu->kvm->arch.use_master_clock || vcpu->cpu == -1) in kvm_arch_vcpu_load()
4090 kvm_make_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu); in kvm_arch_vcpu_load()
4091 if (vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4092 kvm_make_request(KVM_REQ_MIGRATE_TIMER, vcpu); in kvm_arch_vcpu_load()
4093 vcpu->cpu = cpu; in kvm_arch_vcpu_load()
4096 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_arch_vcpu_load()
4099 static void kvm_steal_time_set_preempted(struct kvm_vcpu *vcpu) in kvm_steal_time_set_preempted() argument
4101 struct gfn_to_hva_cache *ghc = &vcpu->arch.st.cache; in kvm_steal_time_set_preempted()
4105 gpa_t gpa = vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS; in kvm_steal_time_set_preempted()
4108 * The vCPU can be marked preempted if and only if the VM-Exit was on in kvm_steal_time_set_preempted()
4111 * when this is true, for example allowing the vCPU to be marked in kvm_steal_time_set_preempted()
4114 if (!vcpu->arch.at_instruction_boundary) { in kvm_steal_time_set_preempted()
4115 vcpu->stat.preemption_other++; in kvm_steal_time_set_preempted()
4119 vcpu->stat.preemption_reported++; in kvm_steal_time_set_preempted()
4120 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in kvm_steal_time_set_preempted()
4123 if (vcpu->arch.st.preempted) in kvm_steal_time_set_preempted()
4127 if (unlikely(current->mm != vcpu->kvm->mm)) in kvm_steal_time_set_preempted()
4130 slots = kvm_memslots(vcpu->kvm); in kvm_steal_time_set_preempted()
4141 vcpu->arch.st.preempted = KVM_VCPU_PREEMPTED; in kvm_steal_time_set_preempted()
4146 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_put() argument
4150 if (vcpu->preempted) { in kvm_arch_vcpu_put()
4151 vcpu->arch.preempted_in_kernel = !kvm_x86_ops.get_cpl(vcpu); in kvm_arch_vcpu_put()
4157 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_put()
4158 kvm_steal_time_set_preempted(vcpu); in kvm_arch_vcpu_put()
4159 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_put()
4162 kvm_x86_ops.vcpu_put(vcpu); in kvm_arch_vcpu_put()
4163 vcpu->arch.last_host_tsc = rdtsc(); in kvm_arch_vcpu_put()
4172 static int kvm_vcpu_ioctl_get_lapic(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_get_lapic() argument
4175 if (vcpu->arch.apicv_active) in kvm_vcpu_ioctl_get_lapic()
4176 kvm_x86_ops.sync_pir_to_irr(vcpu); in kvm_vcpu_ioctl_get_lapic()
4178 return kvm_apic_get_state(vcpu, s); in kvm_vcpu_ioctl_get_lapic()
4181 static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_set_lapic() argument
4186 r = kvm_apic_set_state(vcpu, s); in kvm_vcpu_ioctl_set_lapic()
4189 update_cr8_intercept(vcpu); in kvm_vcpu_ioctl_set_lapic()
4194 static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu) in kvm_cpu_accept_dm_intr() argument
4202 if (kvm_cpu_has_extint(vcpu)) in kvm_cpu_accept_dm_intr()
4206 return (!lapic_in_kernel(vcpu) || in kvm_cpu_accept_dm_intr()
4207 kvm_apic_accept_pic_intr(vcpu)); in kvm_cpu_accept_dm_intr()
4210 static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu) in kvm_vcpu_ready_for_interrupt_injection() argument
4219 return (kvm_arch_interrupt_allowed(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4220 kvm_cpu_accept_dm_intr(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4221 !kvm_event_needs_reinjection(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4222 !vcpu->arch.exception.pending); in kvm_vcpu_ready_for_interrupt_injection()
4225 static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_interrupt() argument
4231 if (!irqchip_in_kernel(vcpu->kvm)) { in kvm_vcpu_ioctl_interrupt()
4232 kvm_queue_interrupt(vcpu, irq->irq, false); in kvm_vcpu_ioctl_interrupt()
4233 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_interrupt()
4241 if (pic_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_interrupt()
4244 if (vcpu->arch.pending_external_vector != -1) in kvm_vcpu_ioctl_interrupt()
4247 vcpu->arch.pending_external_vector = irq->irq; in kvm_vcpu_ioctl_interrupt()
4248 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_interrupt()
4252 static int kvm_vcpu_ioctl_nmi(struct kvm_vcpu *vcpu) in kvm_vcpu_ioctl_nmi() argument
4254 kvm_inject_nmi(vcpu); in kvm_vcpu_ioctl_nmi()
4259 static int kvm_vcpu_ioctl_smi(struct kvm_vcpu *vcpu) in kvm_vcpu_ioctl_smi() argument
4261 kvm_make_request(KVM_REQ_SMI, vcpu); in kvm_vcpu_ioctl_smi()
4266 static int vcpu_ioctl_tpr_access_reporting(struct kvm_vcpu *vcpu, in vcpu_ioctl_tpr_access_reporting() argument
4271 vcpu->arch.tpr_access_reporting = !!tac->enabled; in vcpu_ioctl_tpr_access_reporting()
4275 static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_setup_mce() argument
4287 vcpu->arch.mcg_cap = mcg_cap; in kvm_vcpu_ioctl_x86_setup_mce()
4290 vcpu->arch.mcg_ctl = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4293 vcpu->arch.mce_banks[bank*4] = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4295 kvm_x86_ops.setup_mce(vcpu); in kvm_vcpu_ioctl_x86_setup_mce()
4300 static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_mce() argument
4303 u64 mcg_cap = vcpu->arch.mcg_cap; in kvm_vcpu_ioctl_x86_set_mce()
4305 u64 *banks = vcpu->arch.mce_banks; in kvm_vcpu_ioctl_x86_set_mce()
4314 vcpu->arch.mcg_ctl != ~(u64)0) in kvm_vcpu_ioctl_x86_set_mce()
4324 if ((vcpu->arch.mcg_status & MCG_STATUS_MCIP) || in kvm_vcpu_ioctl_x86_set_mce()
4325 !kvm_read_cr4_bits(vcpu, X86_CR4_MCE)) { in kvm_vcpu_ioctl_x86_set_mce()
4326 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_vcpu_ioctl_x86_set_mce()
4333 vcpu->arch.mcg_status = mce->mcg_status; in kvm_vcpu_ioctl_x86_set_mce()
4335 kvm_queue_exception(vcpu, MC_VECTOR); in kvm_vcpu_ioctl_x86_set_mce()
4348 static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_vcpu_events() argument
4351 process_nmi(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4353 if (kvm_check_request(KVM_REQ_SMI, vcpu)) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4354 process_smi(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4367 if (!vcpu->kvm->arch.exception_payload_enabled && in kvm_vcpu_ioctl_x86_get_vcpu_events()
4368 vcpu->arch.exception.pending && vcpu->arch.exception.has_payload) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4369 kvm_deliver_exception_payload(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4377 if (kvm_exception_is_soft(vcpu->arch.exception.nr)) { in kvm_vcpu_ioctl_x86_get_vcpu_events()
4381 events->exception.injected = vcpu->arch.exception.injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4382 events->exception.pending = vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4388 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4390 vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4392 events->exception.nr = vcpu->arch.exception.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4393 events->exception.has_error_code = vcpu->arch.exception.has_error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4394 events->exception.error_code = vcpu->arch.exception.error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4395 events->exception_has_payload = vcpu->arch.exception.has_payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4396 events->exception_payload = vcpu->arch.exception.payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4399 vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4400 events->interrupt.nr = vcpu->arch.interrupt.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4402 events->interrupt.shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4404 events->nmi.injected = vcpu->arch.nmi_injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4405 events->nmi.pending = vcpu->arch.nmi_pending != 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4406 events->nmi.masked = kvm_x86_ops.get_nmi_mask(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4411 events->smi.smm = is_smm(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4412 events->smi.pending = vcpu->arch.smi_pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4414 !!(vcpu->arch.hflags & HF_SMM_INSIDE_NMI_MASK); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4415 events->smi.latched_init = kvm_lapic_latched_init(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4420 if (vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4426 static void kvm_smm_changed(struct kvm_vcpu *vcpu);
4428 static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_vcpu_events() argument
4439 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4457 vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4460 process_nmi(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4461 vcpu->arch.exception.injected = events->exception.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4462 vcpu->arch.exception.pending = events->exception.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4463 vcpu->arch.exception.nr = events->exception.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4464 vcpu->arch.exception.has_error_code = events->exception.has_error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4465 vcpu->arch.exception.error_code = events->exception.error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4466 vcpu->arch.exception.has_payload = events->exception_has_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4467 vcpu->arch.exception.payload = events->exception_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4469 vcpu->arch.interrupt.injected = events->interrupt.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4470 vcpu->arch.interrupt.nr = events->interrupt.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4471 vcpu->arch.interrupt.soft = events->interrupt.soft; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4473 kvm_x86_ops.set_interrupt_shadow(vcpu, in kvm_vcpu_ioctl_x86_set_vcpu_events()
4476 vcpu->arch.nmi_injected = events->nmi.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4478 vcpu->arch.nmi_pending = events->nmi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4479 kvm_x86_ops.set_nmi_mask(vcpu, events->nmi.masked); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4482 lapic_in_kernel(vcpu)) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4483 vcpu->arch.apic->sipi_vector = events->sipi_vector; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4486 if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4488 vcpu->arch.hflags |= HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4490 vcpu->arch.hflags &= ~HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4492 kvm_x86_ops.nested_ops->leave_nested(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4493 kvm_smm_changed(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4496 vcpu->arch.smi_pending = events->smi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4500 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4502 vcpu->arch.hflags &= ~HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4505 if (lapic_in_kernel(vcpu)) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4507 set_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4509 clear_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4513 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4518 static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_debugregs() argument
4524 memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_get_debugregs()
4525 kvm_get_dr(vcpu, 6, &val); in kvm_vcpu_ioctl_x86_get_debugregs()
4527 dbgregs->dr7 = vcpu->arch.dr7; in kvm_vcpu_ioctl_x86_get_debugregs()
4530 static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_debugregs() argument
4541 memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_set_debugregs()
4542 kvm_update_dr0123(vcpu); in kvm_vcpu_ioctl_x86_set_debugregs()
4543 vcpu->arch.dr6 = dbgregs->dr6; in kvm_vcpu_ioctl_x86_set_debugregs()
4544 vcpu->arch.dr7 = dbgregs->dr7; in kvm_vcpu_ioctl_x86_set_debugregs()
4545 kvm_update_dr7(vcpu); in kvm_vcpu_ioctl_x86_set_debugregs()
4552 static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu) in fill_xsave() argument
4554 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in fill_xsave()
4565 xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE; in fill_xsave()
4583 memcpy(dest + offset, &vcpu->arch.pkru, in fill_xsave()
4584 sizeof(vcpu->arch.pkru)); in fill_xsave()
4594 static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) in load_xsave() argument
4596 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in load_xsave()
4626 memcpy(&vcpu->arch.pkru, src + offset, in load_xsave()
4627 sizeof(vcpu->arch.pkru)); in load_xsave()
4636 static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_xsave() argument
4641 fill_xsave((u8 *) guest_xsave->region, vcpu); in kvm_vcpu_ioctl_x86_get_xsave()
4644 &vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_get_xsave()
4653 static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_xsave() argument
4668 load_xsave(vcpu, (u8 *)guest_xsave->region); in kvm_vcpu_ioctl_x86_set_xsave()
4673 memcpy(&vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_set_xsave()
4679 static void kvm_vcpu_ioctl_x86_get_xcrs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_xcrs() argument
4690 guest_xcrs->xcrs[0].value = vcpu->arch.xcr0; in kvm_vcpu_ioctl_x86_get_xcrs()
4693 static int kvm_vcpu_ioctl_x86_set_xcrs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_xcrs() argument
4707 r = __kvm_set_xcr(vcpu, XCR_XFEATURE_ENABLED_MASK, in kvm_vcpu_ioctl_x86_set_xcrs()
4722 static int kvm_set_guest_paused(struct kvm_vcpu *vcpu) in kvm_set_guest_paused() argument
4724 if (!vcpu->arch.pv_time_enabled) in kvm_set_guest_paused()
4726 vcpu->arch.pvclock_set_guest_stopped_request = true; in kvm_set_guest_paused()
4727 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_set_guest_paused()
4731 static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_enable_cap() argument
4748 if (!irqchip_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_enable_cap()
4750 return kvm_hv_activate_synic(vcpu, cap->cap == in kvm_vcpu_ioctl_enable_cap()
4755 r = kvm_x86_ops.nested_ops->enable_evmcs(vcpu, &vmcs_version); in kvm_vcpu_ioctl_enable_cap()
4767 return kvm_x86_ops.enable_direct_tlbflush(vcpu); in kvm_vcpu_ioctl_enable_cap()
4770 vcpu->arch.pv_cpuid.enforce = cap->args[0]; in kvm_vcpu_ioctl_enable_cap()
4771 if (vcpu->arch.pv_cpuid.enforce) in kvm_vcpu_ioctl_enable_cap()
4772 kvm_update_pv_runtime(vcpu); in kvm_vcpu_ioctl_enable_cap()
4784 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_ioctl() local
4794 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl()
4800 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4808 r = kvm_vcpu_ioctl_get_lapic(vcpu, u.lapic); in kvm_arch_vcpu_ioctl()
4819 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4827 r = kvm_vcpu_ioctl_set_lapic(vcpu, u.lapic); in kvm_arch_vcpu_ioctl()
4836 r = kvm_vcpu_ioctl_interrupt(vcpu, &irq); in kvm_arch_vcpu_ioctl()
4840 r = kvm_vcpu_ioctl_nmi(vcpu); in kvm_arch_vcpu_ioctl()
4844 r = kvm_vcpu_ioctl_smi(vcpu); in kvm_arch_vcpu_ioctl()
4854 r = kvm_vcpu_ioctl_set_cpuid(vcpu, &cpuid, cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
4864 r = kvm_vcpu_ioctl_set_cpuid2(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
4875 r = kvm_vcpu_ioctl_get_cpuid2(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
4886 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4887 r = msr_io(vcpu, argp, do_get_msr, 1); in kvm_arch_vcpu_ioctl()
4888 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4892 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4893 r = msr_io(vcpu, argp, do_set_msr, 0); in kvm_arch_vcpu_ioctl()
4894 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4903 r = vcpu_ioctl_tpr_access_reporting(vcpu, &tac); in kvm_arch_vcpu_ioctl()
4917 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4922 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4923 r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); in kvm_arch_vcpu_ioctl()
4924 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4933 r = kvm_vcpu_ioctl_x86_setup_mce(vcpu, mcg_cap); in kvm_arch_vcpu_ioctl()
4942 r = kvm_vcpu_ioctl_x86_set_mce(vcpu, &mce); in kvm_arch_vcpu_ioctl()
4948 kvm_vcpu_ioctl_x86_get_vcpu_events(vcpu, &events); in kvm_arch_vcpu_ioctl()
4963 r = kvm_vcpu_ioctl_x86_set_vcpu_events(vcpu, &events); in kvm_arch_vcpu_ioctl()
4969 kvm_vcpu_ioctl_x86_get_debugregs(vcpu, &dbgregs); in kvm_arch_vcpu_ioctl()
4986 r = kvm_vcpu_ioctl_x86_set_debugregs(vcpu, &dbgregs); in kvm_arch_vcpu_ioctl()
4995 kvm_vcpu_ioctl_x86_get_xsave(vcpu, u.xsave); in kvm_arch_vcpu_ioctl()
5010 r = kvm_vcpu_ioctl_x86_set_xsave(vcpu, u.xsave); in kvm_arch_vcpu_ioctl()
5019 kvm_vcpu_ioctl_x86_get_xcrs(vcpu, u.xcrs); in kvm_arch_vcpu_ioctl()
5035 r = kvm_vcpu_ioctl_x86_set_xcrs(vcpu, u.xcrs); in kvm_arch_vcpu_ioctl()
5051 if (!kvm_set_tsc_khz(vcpu, user_tsc_khz)) in kvm_arch_vcpu_ioctl()
5057 r = vcpu->arch.virtual_tsc_khz; in kvm_arch_vcpu_ioctl()
5061 r = kvm_set_guest_paused(vcpu); in kvm_arch_vcpu_ioctl()
5070 r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap); in kvm_arch_vcpu_ioctl()
5086 r = kvm_x86_ops.nested_ops->get_state(vcpu, user_kvm_nested_state, in kvm_arch_vcpu_ioctl()
5130 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
5131 r = kvm_x86_ops.nested_ops->set_state(vcpu, user_kvm_nested_state, &kvm_state); in kvm_arch_vcpu_ioctl()
5132 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
5143 r = kvm_vcpu_ioctl_get_hv_cpuid(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
5160 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl()
5164 vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) in kvm_arch_vcpu_fault() argument
6033 static int vcpu_mmio_write(struct kvm_vcpu *vcpu, gpa_t addr, int len, in vcpu_mmio_write() argument
6041 if (!(lapic_in_kernel(vcpu) && in vcpu_mmio_write()
6042 !kvm_iodevice_write(vcpu, &vcpu->arch.apic->dev, addr, n, v)) in vcpu_mmio_write()
6043 && kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, n, v)) in vcpu_mmio_write()
6054 static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v) in vcpu_mmio_read() argument
6061 if (!(lapic_in_kernel(vcpu) && in vcpu_mmio_read()
6062 !kvm_iodevice_read(vcpu, &vcpu->arch.apic->dev, in vcpu_mmio_read()
6064 && kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, n, v)) in vcpu_mmio_read()
6076 static void kvm_set_segment(struct kvm_vcpu *vcpu, in kvm_set_segment() argument
6079 kvm_x86_ops.set_segment(vcpu, var, seg); in kvm_set_segment()
6082 void kvm_get_segment(struct kvm_vcpu *vcpu, in kvm_get_segment() argument
6085 kvm_x86_ops.get_segment(vcpu, var, seg); in kvm_get_segment()
6088 gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, in translate_nested_gpa() argument
6093 BUG_ON(!mmu_is_nested(vcpu)); in translate_nested_gpa()
6097 t_gpa = vcpu->arch.mmu->gva_to_gpa(vcpu, gpa, access, exception); in translate_nested_gpa()
6102 gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_read() argument
6105 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_read()
6106 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_read()
6109 gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_fetch() argument
6112 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_fetch()
6114 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_fetch()
6117 gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_write() argument
6120 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_write()
6122 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_write()
6126 gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_system() argument
6129 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, 0, exception); in kvm_mmu_gva_to_gpa_system()
6133 struct kvm_vcpu *vcpu, u32 access, in kvm_read_guest_virt_helper() argument
6140 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access, in kvm_read_guest_virt_helper()
6148 ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, data, in kvm_read_guest_virt_helper()
6168 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in kvm_fetch_guest_virt() local
6169 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_fetch_guest_virt()
6174 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access|PFERR_FETCH_MASK, in kvm_fetch_guest_virt()
6182 ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, val, in kvm_fetch_guest_virt()
6190 int kvm_read_guest_virt(struct kvm_vcpu *vcpu, in kvm_read_guest_virt() argument
6194 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_read_guest_virt()
6203 return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, in kvm_read_guest_virt()
6212 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_read_std() local
6215 if (!system && kvm_x86_ops.get_cpl(vcpu) == 3) in emulator_read_std()
6218 return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, exception); in emulator_read_std()
6224 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in kvm_read_guest_phys_system() local
6225 int r = kvm_vcpu_read_guest(vcpu, addr, val, bytes); in kvm_read_guest_phys_system()
6231 struct kvm_vcpu *vcpu, u32 access, in kvm_write_guest_virt_helper() argument
6238 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, in kvm_write_guest_virt_helper()
6247 ret = kvm_vcpu_write_guest(vcpu, gpa, data, towrite); in kvm_write_guest_virt_helper()
6265 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_write_std() local
6268 if (!system && kvm_x86_ops.get_cpl(vcpu) == 3) in emulator_write_std()
6271 return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, in emulator_write_std()
6275 int kvm_write_guest_virt_system(struct kvm_vcpu *vcpu, gva_t addr, void *val, in kvm_write_guest_virt_system() argument
6279 vcpu->arch.l1tf_flush_l1d = true; in kvm_write_guest_virt_system()
6281 return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, in kvm_write_guest_virt_system()
6286 int handle_ud(struct kvm_vcpu *vcpu) in handle_ud() argument
6293 if (unlikely(!kvm_x86_ops.can_emulate_instruction(vcpu, NULL, 0))) in handle_ud()
6297 kvm_read_guest_virt(vcpu, kvm_get_linear_rip(vcpu), in handle_ud()
6300 kvm_rip_write(vcpu, kvm_rip_read(vcpu) + sizeof(sig)); in handle_ud()
6304 return kvm_emulate_instruction(vcpu, emul_type); in handle_ud()
6308 static int vcpu_is_mmio_gpa(struct kvm_vcpu *vcpu, unsigned long gva, in vcpu_is_mmio_gpa() argument
6315 if (vcpu_match_mmio_gpa(vcpu, gpa)) { in vcpu_is_mmio_gpa()
6323 static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva, in vcpu_mmio_gva_to_gpa() argument
6327 u32 access = ((kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0) in vcpu_mmio_gva_to_gpa()
6335 if (vcpu_match_mmio_gva(vcpu, gva) in vcpu_mmio_gva_to_gpa()
6336 && !permission_fault(vcpu, vcpu->arch.walk_mmu, in vcpu_mmio_gva_to_gpa()
6337 vcpu->arch.mmio_access, 0, access)) { in vcpu_mmio_gva_to_gpa()
6338 *gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT | in vcpu_mmio_gva_to_gpa()
6344 *gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in vcpu_mmio_gva_to_gpa()
6349 return vcpu_is_mmio_gpa(vcpu, gva, *gpa, write); in vcpu_mmio_gva_to_gpa()
6352 int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, in emulator_write_phys() argument
6357 ret = kvm_vcpu_write_guest(vcpu, gpa, val, bytes); in emulator_write_phys()
6360 kvm_page_track_write(vcpu, gpa, val, bytes); in emulator_write_phys()
6365 int (*read_write_prepare)(struct kvm_vcpu *vcpu, void *val,
6367 int (*read_write_emulate)(struct kvm_vcpu *vcpu, gpa_t gpa,
6369 int (*read_write_mmio)(struct kvm_vcpu *vcpu, gpa_t gpa,
6371 int (*read_write_exit_mmio)(struct kvm_vcpu *vcpu, gpa_t gpa,
6376 static int read_prepare(struct kvm_vcpu *vcpu, void *val, int bytes) in read_prepare() argument
6378 if (vcpu->mmio_read_completed) { in read_prepare()
6380 vcpu->mmio_fragments[0].gpa, val); in read_prepare()
6381 vcpu->mmio_read_completed = 0; in read_prepare()
6388 static int read_emulate(struct kvm_vcpu *vcpu, gpa_t gpa, in read_emulate() argument
6391 return !kvm_vcpu_read_guest(vcpu, gpa, val, bytes); in read_emulate()
6394 static int write_emulate(struct kvm_vcpu *vcpu, gpa_t gpa, in write_emulate() argument
6397 return emulator_write_phys(vcpu, gpa, val, bytes); in write_emulate()
6400 static int write_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes, void *val) in write_mmio() argument
6403 return vcpu_mmio_write(vcpu, gpa, bytes, val); in write_mmio()
6406 static int read_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, in read_exit_mmio() argument
6413 static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, in write_exit_mmio() argument
6416 struct kvm_mmio_fragment *frag = &vcpu->mmio_fragments[0]; in write_exit_mmio()
6418 memcpy(vcpu->run->mmio.data, frag->data, min(8u, frag->len)); in write_exit_mmio()
6439 struct kvm_vcpu *vcpu, in emulator_read_write_onepage() argument
6446 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in emulator_read_write_onepage()
6458 ret = vcpu_is_mmio_gpa(vcpu, addr, gpa, write); in emulator_read_write_onepage()
6460 ret = vcpu_mmio_gva_to_gpa(vcpu, addr, &gpa, exception, write); in emulator_read_write_onepage()
6465 if (!ret && ops->read_write_emulate(vcpu, gpa, val, bytes)) in emulator_read_write_onepage()
6471 handled = ops->read_write_mmio(vcpu, gpa, bytes, val); in emulator_read_write_onepage()
6479 WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS); in emulator_read_write_onepage()
6480 frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; in emulator_read_write_onepage()
6493 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_read_write() local
6498 ops->read_write_prepare(vcpu, val, bytes)) in emulator_read_write()
6501 vcpu->mmio_nr_fragments = 0; in emulator_read_write()
6509 vcpu, ops); in emulator_read_write()
6521 vcpu, ops); in emulator_read_write()
6525 if (!vcpu->mmio_nr_fragments) in emulator_read_write()
6528 gpa = vcpu->mmio_fragments[0].gpa; in emulator_read_write()
6530 vcpu->mmio_needed = 1; in emulator_read_write()
6531 vcpu->mmio_cur_fragment = 0; in emulator_read_write()
6533 vcpu->run->mmio.len = min(8u, vcpu->mmio_fragments[0].len); in emulator_read_write()
6534 vcpu->run->mmio.is_write = vcpu->mmio_is_write = ops->write; in emulator_read_write()
6535 vcpu->run->exit_reason = KVM_EXIT_MMIO; in emulator_read_write()
6536 vcpu->run->mmio.phys_addr = gpa; in emulator_read_write()
6538 return ops->read_write_exit_mmio(vcpu, gpa, val, bytes); in emulator_read_write()
6579 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_cmpxchg_emulated() local
6589 gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, NULL); in emulator_cmpxchg_emulated()
6607 if (kvm_vcpu_map(vcpu, gpa_to_gfn(gpa), &map)) in emulator_cmpxchg_emulated()
6629 kvm_vcpu_unmap(vcpu, &map, true); in emulator_cmpxchg_emulated()
6634 kvm_page_track_write(vcpu, gpa, new, bytes); in emulator_cmpxchg_emulated()
6644 static int kernel_pio(struct kvm_vcpu *vcpu, void *pd) in kernel_pio() argument
6648 for (i = 0; i < vcpu->arch.pio.count; i++) { in kernel_pio()
6649 if (vcpu->arch.pio.in) in kernel_pio()
6650 r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port, in kernel_pio()
6651 vcpu->arch.pio.size, pd); in kernel_pio()
6653 r = kvm_io_bus_write(vcpu, KVM_PIO_BUS, in kernel_pio()
6654 vcpu->arch.pio.port, vcpu->arch.pio.size, in kernel_pio()
6658 pd += vcpu->arch.pio.size; in kernel_pio()
6663 static int emulator_pio_in_out(struct kvm_vcpu *vcpu, int size, in emulator_pio_in_out() argument
6667 vcpu->arch.pio.port = port; in emulator_pio_in_out()
6668 vcpu->arch.pio.in = in; in emulator_pio_in_out()
6669 vcpu->arch.pio.count = count; in emulator_pio_in_out()
6670 vcpu->arch.pio.size = size; in emulator_pio_in_out()
6672 if (!kernel_pio(vcpu, vcpu->arch.pio_data)) { in emulator_pio_in_out()
6673 vcpu->arch.pio.count = 0; in emulator_pio_in_out()
6677 vcpu->run->exit_reason = KVM_EXIT_IO; in emulator_pio_in_out()
6678 vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT; in emulator_pio_in_out()
6679 vcpu->run->io.size = size; in emulator_pio_in_out()
6680 vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE; in emulator_pio_in_out()
6681 vcpu->run->io.count = count; in emulator_pio_in_out()
6682 vcpu->run->io.port = port; in emulator_pio_in_out()
6687 static int emulator_pio_in(struct kvm_vcpu *vcpu, int size, in emulator_pio_in() argument
6692 if (vcpu->arch.pio.count) in emulator_pio_in()
6695 memset(vcpu->arch.pio_data, 0, size * count); in emulator_pio_in()
6697 ret = emulator_pio_in_out(vcpu, size, port, val, count, true); in emulator_pio_in()
6700 memcpy(val, vcpu->arch.pio_data, size * count); in emulator_pio_in()
6701 trace_kvm_pio(KVM_PIO_IN, port, size, count, vcpu->arch.pio_data); in emulator_pio_in()
6702 vcpu->arch.pio.count = 0; in emulator_pio_in()
6717 static int emulator_pio_out(struct kvm_vcpu *vcpu, int size, in emulator_pio_out() argument
6721 memcpy(vcpu->arch.pio_data, val, size * count); in emulator_pio_out()
6722 trace_kvm_pio(KVM_PIO_OUT, port, size, count, vcpu->arch.pio_data); in emulator_pio_out()
6723 return emulator_pio_in_out(vcpu, size, port, (void *)val, count, false); in emulator_pio_out()
6733 static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg) in get_segment_base() argument
6735 return kvm_x86_ops.get_segment_base(vcpu, seg); in get_segment_base()
6743 static int kvm_emulate_wbinvd_noskip(struct kvm_vcpu *vcpu) in kvm_emulate_wbinvd_noskip() argument
6745 if (!need_emulate_wbinvd(vcpu)) in kvm_emulate_wbinvd_noskip()
6751 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6752 smp_call_function_many(vcpu->arch.wbinvd_dirty_mask, in kvm_emulate_wbinvd_noskip()
6755 cpumask_clear(vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6761 int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu) in kvm_emulate_wbinvd() argument
6763 kvm_emulate_wbinvd_noskip(vcpu); in kvm_emulate_wbinvd()
6764 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_wbinvd()
6795 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_cr() local
6800 value = kvm_read_cr0(vcpu); in emulator_get_cr()
6803 value = vcpu->arch.cr2; in emulator_get_cr()
6806 value = kvm_read_cr3(vcpu); in emulator_get_cr()
6809 value = kvm_read_cr4(vcpu); in emulator_get_cr()
6812 value = kvm_get_cr8(vcpu); in emulator_get_cr()
6824 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_cr() local
6829 res = kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val)); in emulator_set_cr()
6832 vcpu->arch.cr2 = val; in emulator_set_cr()
6835 res = kvm_set_cr3(vcpu, val); in emulator_set_cr()
6838 res = kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val)); in emulator_set_cr()
6841 res = kvm_set_cr8(vcpu, val); in emulator_set_cr()
6922 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_segment() local
6944 kvm_set_segment(vcpu, &var, seg); in emulator_set_segment()
6951 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_msr() local
6954 r = kvm_get_msr(vcpu, msr_index, pdata); in emulator_get_msr()
6956 if (r && kvm_get_msr_user_space(vcpu, msr_index, r)) { in emulator_get_msr()
6967 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_msr() local
6970 r = kvm_set_msr(vcpu, msr_index, data); in emulator_set_msr()
6972 if (r && kvm_set_msr_user_space(vcpu, msr_index, data, r)) { in emulator_set_msr()
6982 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_smbase() local
6984 return vcpu->arch.smbase; in emulator_get_smbase()
6989 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_smbase() local
6991 vcpu->arch.smbase = smbase; in emulator_set_smbase()
7068 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_hflags() local
7070 vcpu->arch.hflags = emul_flags; in emulator_set_hflags()
7071 kvm_mmu_reset_context(vcpu); in emulator_set_hflags()
7138 static void toggle_interruptibility(struct kvm_vcpu *vcpu, u32 mask) in toggle_interruptibility() argument
7140 u32 int_shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in toggle_interruptibility()
7151 kvm_x86_ops.set_interrupt_shadow(vcpu, mask); in toggle_interruptibility()
7153 kvm_make_request(KVM_REQ_EVENT, vcpu); in toggle_interruptibility()
7157 static bool inject_emulated_exception(struct kvm_vcpu *vcpu) in inject_emulated_exception() argument
7159 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in inject_emulated_exception()
7161 return kvm_inject_emulated_page_fault(vcpu, &ctxt->exception); in inject_emulated_exception()
7164 kvm_queue_exception_e(vcpu, ctxt->exception.vector, in inject_emulated_exception()
7167 kvm_queue_exception(vcpu, ctxt->exception.vector); in inject_emulated_exception()
7171 static struct x86_emulate_ctxt *alloc_emulate_ctxt(struct kvm_vcpu *vcpu) in alloc_emulate_ctxt() argument
7177 pr_err("kvm: failed to allocate vcpu's emulator\n"); in alloc_emulate_ctxt()
7181 ctxt->vcpu = vcpu; in alloc_emulate_ctxt()
7183 vcpu->arch.emulate_ctxt = ctxt; in alloc_emulate_ctxt()
7188 static void init_emulate_ctxt(struct kvm_vcpu *vcpu) in init_emulate_ctxt() argument
7190 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in init_emulate_ctxt()
7193 kvm_x86_ops.get_cs_db_l_bits(vcpu, &cs_db, &cs_l); in init_emulate_ctxt()
7196 ctxt->eflags = kvm_get_rflags(vcpu); in init_emulate_ctxt()
7199 ctxt->eip = kvm_rip_read(vcpu); in init_emulate_ctxt()
7200 ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : in init_emulate_ctxt()
7202 (cs_l && is_long_mode(vcpu)) ? X86EMUL_MODE_PROT64 : in init_emulate_ctxt()
7215 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in init_emulate_ctxt()
7218 void kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip) in kvm_inject_realmode_interrupt() argument
7220 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_inject_realmode_interrupt()
7223 init_emulate_ctxt(vcpu); in kvm_inject_realmode_interrupt()
7231 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_inject_realmode_interrupt()
7234 kvm_rip_write(vcpu, ctxt->eip); in kvm_inject_realmode_interrupt()
7235 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_inject_realmode_interrupt()
7240 static int handle_emulation_failure(struct kvm_vcpu *vcpu, int emulation_type) in handle_emulation_failure() argument
7242 ++vcpu->stat.insn_emulation_fail; in handle_emulation_failure()
7243 trace_kvm_emulate_insn_failed(vcpu); in handle_emulation_failure()
7246 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in handle_emulation_failure()
7251 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7252 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7253 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7257 kvm_queue_exception(vcpu, UD_VECTOR); in handle_emulation_failure()
7259 if (!is_guest_mode(vcpu) && kvm_x86_ops.get_cpl(vcpu) == 0) { in handle_emulation_failure()
7260 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7261 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7262 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7269 static bool reexecute_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, in reexecute_instruction() argument
7279 if (WARN_ON_ONCE(is_guest_mode(vcpu)) || in reexecute_instruction()
7283 if (!vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7288 gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); in reexecute_instruction()
7304 pfn = gfn_to_pfn(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7316 if (vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7319 spin_lock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7320 indirect_shadow_pages = vcpu->kvm->arch.indirect_shadow_pages; in reexecute_instruction()
7321 spin_unlock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7324 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7334 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7347 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in retry_instruction() local
7350 last_retry_eip = vcpu->arch.last_retry_eip; in retry_instruction()
7351 last_retry_addr = vcpu->arch.last_retry_addr; in retry_instruction()
7366 vcpu->arch.last_retry_eip = vcpu->arch.last_retry_addr = 0; in retry_instruction()
7371 if (WARN_ON_ONCE(is_guest_mode(vcpu)) || in retry_instruction()
7381 vcpu->arch.last_retry_eip = ctxt->eip; in retry_instruction()
7382 vcpu->arch.last_retry_addr = cr2_or_gpa; in retry_instruction()
7384 if (!vcpu->arch.mmu->direct_map) in retry_instruction()
7385 gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); in retry_instruction()
7387 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in retry_instruction()
7392 static int complete_emulated_mmio(struct kvm_vcpu *vcpu);
7393 static int complete_emulated_pio(struct kvm_vcpu *vcpu);
7395 static void kvm_smm_changed(struct kvm_vcpu *vcpu) in kvm_smm_changed() argument
7397 if (!(vcpu->arch.hflags & HF_SMM_MASK)) { in kvm_smm_changed()
7399 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, false); in kvm_smm_changed()
7402 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_smm_changed()
7405 kvm_mmu_reset_context(vcpu); in kvm_smm_changed()
7423 static int kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu) in kvm_vcpu_do_singlestep() argument
7425 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_do_singlestep()
7427 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { in kvm_vcpu_do_singlestep()
7429 kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu); in kvm_vcpu_do_singlestep()
7434 kvm_queue_exception_p(vcpu, DB_VECTOR, DR6_BS); in kvm_vcpu_do_singlestep()
7438 int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) in kvm_skip_emulated_instruction() argument
7440 unsigned long rflags = kvm_x86_ops.get_rflags(vcpu); in kvm_skip_emulated_instruction()
7443 r = kvm_x86_ops.skip_emulated_instruction(vcpu); in kvm_skip_emulated_instruction()
7456 r = kvm_vcpu_do_singlestep(vcpu); in kvm_skip_emulated_instruction()
7461 static bool kvm_vcpu_check_code_breakpoint(struct kvm_vcpu *vcpu, int *r) in kvm_vcpu_check_code_breakpoint() argument
7463 if (unlikely(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) && in kvm_vcpu_check_code_breakpoint()
7464 (vcpu->arch.guest_debug_dr7 & DR7_BP_EN_MASK)) { in kvm_vcpu_check_code_breakpoint()
7465 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_check_code_breakpoint()
7466 unsigned long eip = kvm_get_linear_rip(vcpu); in kvm_vcpu_check_code_breakpoint()
7468 vcpu->arch.guest_debug_dr7, in kvm_vcpu_check_code_breakpoint()
7469 vcpu->arch.eff_db); in kvm_vcpu_check_code_breakpoint()
7481 if (unlikely(vcpu->arch.dr7 & DR7_BP_EN_MASK) && in kvm_vcpu_check_code_breakpoint()
7482 !(kvm_get_rflags(vcpu) & X86_EFLAGS_RF)) { in kvm_vcpu_check_code_breakpoint()
7483 unsigned long eip = kvm_get_linear_rip(vcpu); in kvm_vcpu_check_code_breakpoint()
7485 vcpu->arch.dr7, in kvm_vcpu_check_code_breakpoint()
7486 vcpu->arch.db); in kvm_vcpu_check_code_breakpoint()
7489 kvm_queue_exception_p(vcpu, DB_VECTOR, dr6); in kvm_vcpu_check_code_breakpoint()
7539 int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type, in x86_decode_emulated_instruction() argument
7542 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_decode_emulated_instruction()
7545 init_emulate_ctxt(vcpu); in x86_decode_emulated_instruction()
7551 trace_kvm_emulate_insn_start(vcpu); in x86_decode_emulated_instruction()
7552 ++vcpu->stat.insn_emulation; in x86_decode_emulated_instruction()
7558 int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, in x86_emulate_instruction() argument
7562 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_emulate_instruction()
7566 if (unlikely(!kvm_x86_ops.can_emulate_instruction(vcpu, insn, insn_len))) in x86_emulate_instruction()
7569 vcpu->arch.l1tf_flush_l1d = true; in x86_emulate_instruction()
7575 write_fault_to_spt = vcpu->arch.write_fault_to_shadow_pgtable; in x86_emulate_instruction()
7576 vcpu->arch.write_fault_to_shadow_pgtable = false; in x86_emulate_instruction()
7579 kvm_clear_exception_queue(vcpu); in x86_emulate_instruction()
7587 kvm_vcpu_check_code_breakpoint(vcpu, &r)) in x86_emulate_instruction()
7590 r = x86_decode_emulated_instruction(vcpu, emulation_type, in x86_emulate_instruction()
7595 kvm_queue_exception(vcpu, UD_VECTOR); in x86_emulate_instruction()
7598 if (reexecute_instruction(vcpu, cr2_or_gpa, in x86_emulate_instruction()
7611 inject_emulated_exception(vcpu); in x86_emulate_instruction()
7614 return handle_emulation_failure(vcpu, emulation_type); in x86_emulate_instruction()
7620 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in x86_emulate_instruction()
7630 kvm_rip_write(vcpu, ctxt->_eip); in x86_emulate_instruction()
7632 kvm_set_rflags(vcpu, ctxt->eflags & ~X86_EFLAGS_RF); in x86_emulate_instruction()
7641 if (vcpu->arch.emulate_regs_need_sync_from_vcpu) { in x86_emulate_instruction()
7642 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in x86_emulate_instruction()
7652 if (vcpu->arch.mmu->direct_map) { in x86_emulate_instruction()
7667 if (reexecute_instruction(vcpu, cr2_or_gpa, write_fault_to_spt, in x86_emulate_instruction()
7671 return handle_emulation_failure(vcpu, emulation_type); in x86_emulate_instruction()
7676 if (inject_emulated_exception(vcpu)) in x86_emulate_instruction()
7678 } else if (vcpu->arch.pio.count) { in x86_emulate_instruction()
7679 if (!vcpu->arch.pio.in) { in x86_emulate_instruction()
7681 vcpu->arch.pio.count = 0; in x86_emulate_instruction()
7684 vcpu->arch.complete_userspace_io = complete_emulated_pio; in x86_emulate_instruction()
7687 } else if (vcpu->mmio_needed) { in x86_emulate_instruction()
7688 ++vcpu->stat.mmio_exits; in x86_emulate_instruction()
7690 if (!vcpu->mmio_is_write) in x86_emulate_instruction()
7693 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in x86_emulate_instruction()
7700 unsigned long rflags = kvm_x86_ops.get_rflags(vcpu); in x86_emulate_instruction()
7701 toggle_interruptibility(vcpu, ctxt->interruptibility); in x86_emulate_instruction()
7702 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in x86_emulate_instruction()
7711 kvm_rip_write(vcpu, ctxt->eip); in x86_emulate_instruction()
7712 if (r && (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) in x86_emulate_instruction()
7713 r = kvm_vcpu_do_singlestep(vcpu); in x86_emulate_instruction()
7715 kvm_x86_ops.update_emulated_instruction(vcpu); in x86_emulate_instruction()
7716 __kvm_set_rflags(vcpu, ctxt->eflags); in x86_emulate_instruction()
7726 kvm_make_request(KVM_REQ_EVENT, vcpu); in x86_emulate_instruction()
7728 vcpu->arch.emulate_regs_need_sync_to_vcpu = true; in x86_emulate_instruction()
7733 int kvm_emulate_instruction(struct kvm_vcpu *vcpu, int emulation_type) in kvm_emulate_instruction() argument
7735 return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); in kvm_emulate_instruction()
7739 int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu, in kvm_emulate_instruction_from_buffer() argument
7742 return x86_emulate_instruction(vcpu, 0, 0, insn, insn_len); in kvm_emulate_instruction_from_buffer()
7746 static int complete_fast_pio_out_port_0x7e(struct kvm_vcpu *vcpu) in complete_fast_pio_out_port_0x7e() argument
7748 vcpu->arch.pio.count = 0; in complete_fast_pio_out_port_0x7e()
7752 static int complete_fast_pio_out(struct kvm_vcpu *vcpu) in complete_fast_pio_out() argument
7754 vcpu->arch.pio.count = 0; in complete_fast_pio_out()
7756 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) in complete_fast_pio_out()
7759 return kvm_skip_emulated_instruction(vcpu); in complete_fast_pio_out()
7762 static int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, in kvm_fast_pio_out() argument
7765 unsigned long val = kvm_rax_read(vcpu); in kvm_fast_pio_out()
7766 int ret = emulator_pio_out(vcpu, size, port, &val, 1); in kvm_fast_pio_out()
7776 kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_OUT_7E_INC_RIP)) { in kvm_fast_pio_out()
7777 vcpu->arch.complete_userspace_io = in kvm_fast_pio_out()
7779 kvm_skip_emulated_instruction(vcpu); in kvm_fast_pio_out()
7781 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_out()
7782 vcpu->arch.complete_userspace_io = complete_fast_pio_out; in kvm_fast_pio_out()
7787 static int complete_fast_pio_in(struct kvm_vcpu *vcpu) in complete_fast_pio_in() argument
7792 BUG_ON(vcpu->arch.pio.count != 1); in complete_fast_pio_in()
7794 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) { in complete_fast_pio_in()
7795 vcpu->arch.pio.count = 0; in complete_fast_pio_in()
7800 val = (vcpu->arch.pio.size < 4) ? kvm_rax_read(vcpu) : 0; in complete_fast_pio_in()
7803 * Since vcpu->arch.pio.count == 1 let emulator_pio_in perform in complete_fast_pio_in()
7806 emulator_pio_in(vcpu, vcpu->arch.pio.size, vcpu->arch.pio.port, &val, 1); in complete_fast_pio_in()
7807 kvm_rax_write(vcpu, val); in complete_fast_pio_in()
7809 return kvm_skip_emulated_instruction(vcpu); in complete_fast_pio_in()
7812 static int kvm_fast_pio_in(struct kvm_vcpu *vcpu, int size, in kvm_fast_pio_in() argument
7819 val = (size < 4) ? kvm_rax_read(vcpu) : 0; in kvm_fast_pio_in()
7821 ret = emulator_pio_in(vcpu, size, port, &val, 1); in kvm_fast_pio_in()
7823 kvm_rax_write(vcpu, val); in kvm_fast_pio_in()
7827 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_in()
7828 vcpu->arch.complete_userspace_io = complete_fast_pio_in; in kvm_fast_pio_in()
7833 int kvm_fast_pio(struct kvm_vcpu *vcpu, int size, unsigned short port, int in) in kvm_fast_pio() argument
7838 ret = kvm_fast_pio_in(vcpu, size, port); in kvm_fast_pio()
7840 ret = kvm_fast_pio_out(vcpu, size, port); in kvm_fast_pio()
7841 return ret && kvm_skip_emulated_instruction(vcpu); in kvm_fast_pio()
7869 struct kvm_vcpu *vcpu; in kvm_hyperv_tsc_notifier() local
7890 kvm_for_each_vcpu(cpu, vcpu, kvm) in kvm_hyperv_tsc_notifier()
7891 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_hyperv_tsc_notifier()
7893 kvm_for_each_vcpu(cpu, vcpu, kvm) in kvm_hyperv_tsc_notifier()
7894 kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu); in kvm_hyperv_tsc_notifier()
7905 struct kvm_vcpu *vcpu; in __kvmclock_cpufreq_notifier() local
7919 * the TSC for each VCPU. We must flag these local variables in __kvmclock_cpufreq_notifier()
7938 * anytime after the setting of the VCPU's request bit, the in __kvmclock_cpufreq_notifier()
7951 kvm_for_each_vcpu(i, vcpu, kvm) { in __kvmclock_cpufreq_notifier()
7952 if (vcpu->cpu != cpu) in __kvmclock_cpufreq_notifier()
7954 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in __kvmclock_cpufreq_notifier()
7955 if (vcpu->cpu != raw_smp_processor_id()) in __kvmclock_cpufreq_notifier()
8061 struct kvm_vcpu *vcpu = __this_cpu_read(current_vcpu); in kvm_handle_intel_pt_intr() local
8063 kvm_make_request(KVM_REQ_PMI, vcpu); in kvm_handle_intel_pt_intr()
8065 (unsigned long *)&vcpu->arch.pmu.global_status); in kvm_handle_intel_pt_intr()
8080 struct kvm_vcpu *vcpu; in pvclock_gtod_update_fn() local
8085 kvm_for_each_vcpu(i, vcpu, kvm) in pvclock_gtod_update_fn()
8086 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in pvclock_gtod_update_fn()
8157 * vCPU's FPU state as a fxregs_state struct. in kvm_arch_init()
8252 int kvm_vcpu_halt(struct kvm_vcpu *vcpu) in kvm_vcpu_halt() argument
8254 ++vcpu->stat.halt_exits; in kvm_vcpu_halt()
8255 if (lapic_in_kernel(vcpu)) { in kvm_vcpu_halt()
8256 vcpu->arch.mp_state = KVM_MP_STATE_HALTED; in kvm_vcpu_halt()
8259 vcpu->run->exit_reason = KVM_EXIT_HLT; in kvm_vcpu_halt()
8265 int kvm_emulate_halt(struct kvm_vcpu *vcpu) in kvm_emulate_halt() argument
8267 int ret = kvm_skip_emulated_instruction(vcpu); in kvm_emulate_halt()
8272 return kvm_vcpu_halt(vcpu) && ret; in kvm_emulate_halt()
8277 static int kvm_pv_clock_pairing(struct kvm_vcpu *vcpu, gpa_t paddr, in kvm_pv_clock_pairing() argument
8293 clock_pairing.tsc = kvm_read_l1_tsc(vcpu, cycle); in kvm_pv_clock_pairing()
8298 if (kvm_write_guest(vcpu->kvm, paddr, &clock_pairing, in kvm_pv_clock_pairing()
8307 * kvm_pv_kick_cpu_op: Kick a vcpu.
8309 * @apicid - apicid of vcpu to be kicked.
8353 target = map->phys_map[dest_id]->vcpu; in kvm_sched_yield()
8361 int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) in kvm_emulate_hypercall() argument
8366 if (kvm_hv_hypercall_enabled(vcpu->kvm)) in kvm_emulate_hypercall()
8367 return kvm_hv_hypercall(vcpu); in kvm_emulate_hypercall()
8369 nr = kvm_rax_read(vcpu); in kvm_emulate_hypercall()
8370 a0 = kvm_rbx_read(vcpu); in kvm_emulate_hypercall()
8371 a1 = kvm_rcx_read(vcpu); in kvm_emulate_hypercall()
8372 a2 = kvm_rdx_read(vcpu); in kvm_emulate_hypercall()
8373 a3 = kvm_rsi_read(vcpu); in kvm_emulate_hypercall()
8377 op_64_bit = is_64_bit_mode(vcpu); in kvm_emulate_hypercall()
8386 if (kvm_x86_ops.get_cpl(vcpu) != 0) { in kvm_emulate_hypercall()
8398 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_UNHALT)) in kvm_emulate_hypercall()
8401 kvm_pv_kick_cpu_op(vcpu->kvm, a0, a1); in kvm_emulate_hypercall()
8402 kvm_sched_yield(vcpu->kvm, a1); in kvm_emulate_hypercall()
8407 ret = kvm_pv_clock_pairing(vcpu, a0, a1); in kvm_emulate_hypercall()
8411 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_SEND_IPI)) in kvm_emulate_hypercall()
8414 ret = kvm_pv_send_ipi(vcpu->kvm, a0, a1, a2, a3, op_64_bit); in kvm_emulate_hypercall()
8417 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_SCHED_YIELD)) in kvm_emulate_hypercall()
8420 kvm_sched_yield(vcpu->kvm, a0); in kvm_emulate_hypercall()
8430 kvm_rax_write(vcpu, ret); in kvm_emulate_hypercall()
8432 ++vcpu->stat.hypercalls; in kvm_emulate_hypercall()
8433 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_hypercall()
8439 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_fix_hypercall() local
8441 unsigned long rip = kvm_rip_read(vcpu); in emulator_fix_hypercall()
8443 kvm_x86_ops.patch_hypercall(vcpu, instruction); in emulator_fix_hypercall()
8449 static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu) in dm_request_for_irq_injection() argument
8451 return vcpu->run->request_interrupt_window && in dm_request_for_irq_injection()
8452 likely(!pic_in_kernel(vcpu->kvm)); in dm_request_for_irq_injection()
8455 static void post_kvm_run_save(struct kvm_vcpu *vcpu) in post_kvm_run_save() argument
8457 struct kvm_run *kvm_run = vcpu->run; in post_kvm_run_save()
8459 kvm_run->if_flag = (kvm_get_rflags(vcpu) & X86_EFLAGS_IF) != 0; in post_kvm_run_save()
8460 kvm_run->flags = is_smm(vcpu) ? KVM_RUN_X86_SMM : 0; in post_kvm_run_save()
8461 kvm_run->cr8 = kvm_get_cr8(vcpu); in post_kvm_run_save()
8462 kvm_run->apic_base = kvm_get_apic_base(vcpu); in post_kvm_run_save()
8464 pic_in_kernel(vcpu->kvm) || in post_kvm_run_save()
8465 kvm_vcpu_ready_for_interrupt_injection(vcpu); in post_kvm_run_save()
8468 static void update_cr8_intercept(struct kvm_vcpu *vcpu) in update_cr8_intercept() argument
8475 if (!lapic_in_kernel(vcpu)) in update_cr8_intercept()
8478 if (vcpu->arch.apicv_active) in update_cr8_intercept()
8481 if (!vcpu->arch.apic->vapic_addr) in update_cr8_intercept()
8482 max_irr = kvm_lapic_find_highest_irr(vcpu); in update_cr8_intercept()
8489 tpr = kvm_lapic_get_cr8(vcpu); in update_cr8_intercept()
8491 kvm_x86_ops.update_cr8_intercept(vcpu, tpr, max_irr); in update_cr8_intercept()
8494 static void kvm_inject_exception(struct kvm_vcpu *vcpu) in kvm_inject_exception() argument
8496 trace_kvm_inj_exception(vcpu->arch.exception.nr, in kvm_inject_exception()
8497 vcpu->arch.exception.has_error_code, in kvm_inject_exception()
8498 vcpu->arch.exception.error_code, in kvm_inject_exception()
8499 vcpu->arch.exception.injected); in kvm_inject_exception()
8501 if (vcpu->arch.exception.error_code && !is_protmode(vcpu)) in kvm_inject_exception()
8502 vcpu->arch.exception.error_code = false; in kvm_inject_exception()
8503 kvm_x86_ops.queue_exception(vcpu); in kvm_inject_exception()
8506 static void inject_pending_event(struct kvm_vcpu *vcpu, bool *req_immediate_exit) in inject_pending_event() argument
8513 if (vcpu->arch.exception.injected) { in inject_pending_event()
8514 kvm_inject_exception(vcpu); in inject_pending_event()
8531 else if (!vcpu->arch.exception.pending) { in inject_pending_event()
8532 if (vcpu->arch.nmi_injected) { in inject_pending_event()
8533 kvm_x86_ops.set_nmi(vcpu); in inject_pending_event()
8535 } else if (vcpu->arch.interrupt.injected) { in inject_pending_event()
8536 kvm_x86_ops.set_irq(vcpu); in inject_pending_event()
8541 WARN_ON_ONCE(vcpu->arch.exception.injected && in inject_pending_event()
8542 vcpu->arch.exception.pending); in inject_pending_event()
8550 if (is_guest_mode(vcpu)) { in inject_pending_event()
8551 r = kvm_x86_ops.nested_ops->check_events(vcpu); in inject_pending_event()
8557 if (vcpu->arch.exception.pending) { in inject_pending_event()
8568 if (exception_type(vcpu->arch.exception.nr) == EXCPT_FAULT) in inject_pending_event()
8569 __kvm_set_rflags(vcpu, kvm_get_rflags(vcpu) | in inject_pending_event()
8572 if (vcpu->arch.exception.nr == DB_VECTOR) { in inject_pending_event()
8573 kvm_deliver_exception_payload(vcpu); in inject_pending_event()
8574 if (vcpu->arch.dr7 & DR7_GD) { in inject_pending_event()
8575 vcpu->arch.dr7 &= ~DR7_GD; in inject_pending_event()
8576 kvm_update_dr7(vcpu); in inject_pending_event()
8580 kvm_inject_exception(vcpu); in inject_pending_event()
8582 vcpu->arch.exception.pending = false; in inject_pending_event()
8583 vcpu->arch.exception.injected = true; in inject_pending_event()
8599 if (vcpu->arch.smi_pending) { in inject_pending_event()
8600 r = can_inject ? kvm_x86_ops.smi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8604 vcpu->arch.smi_pending = false; in inject_pending_event()
8605 ++vcpu->arch.smi_count; in inject_pending_event()
8606 enter_smm(vcpu); in inject_pending_event()
8609 kvm_x86_ops.enable_smi_window(vcpu); in inject_pending_event()
8612 if (vcpu->arch.nmi_pending) { in inject_pending_event()
8613 r = can_inject ? kvm_x86_ops.nmi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8617 --vcpu->arch.nmi_pending; in inject_pending_event()
8618 vcpu->arch.nmi_injected = true; in inject_pending_event()
8619 kvm_x86_ops.set_nmi(vcpu); in inject_pending_event()
8621 WARN_ON(kvm_x86_ops.nmi_allowed(vcpu, true) < 0); in inject_pending_event()
8623 if (vcpu->arch.nmi_pending) in inject_pending_event()
8624 kvm_x86_ops.enable_nmi_window(vcpu); in inject_pending_event()
8627 if (kvm_cpu_has_injectable_intr(vcpu)) { in inject_pending_event()
8628 r = can_inject ? kvm_x86_ops.interrupt_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8632 kvm_queue_interrupt(vcpu, kvm_cpu_get_interrupt(vcpu), false); in inject_pending_event()
8633 kvm_x86_ops.set_irq(vcpu); in inject_pending_event()
8634 WARN_ON(kvm_x86_ops.interrupt_allowed(vcpu, true) < 0); in inject_pending_event()
8636 if (kvm_cpu_has_injectable_intr(vcpu)) in inject_pending_event()
8637 kvm_x86_ops.enable_irq_window(vcpu); in inject_pending_event()
8640 if (is_guest_mode(vcpu) && in inject_pending_event()
8642 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in inject_pending_event()
8645 WARN_ON(vcpu->arch.exception.pending); in inject_pending_event()
8653 static void process_nmi(struct kvm_vcpu *vcpu) in process_nmi() argument
8662 if (kvm_x86_ops.get_nmi_mask(vcpu) || vcpu->arch.nmi_injected) in process_nmi()
8665 vcpu->arch.nmi_pending += atomic_xchg(&vcpu->arch.nmi_queued, 0); in process_nmi()
8666 vcpu->arch.nmi_pending = min(vcpu->arch.nmi_pending, limit); in process_nmi()
8667 kvm_make_request(KVM_REQ_EVENT, vcpu); in process_nmi()
8684 static void enter_smm_save_seg_32(struct kvm_vcpu *vcpu, char *buf, int n) in enter_smm_save_seg_32() argument
8689 kvm_get_segment(vcpu, &seg, n); in enter_smm_save_seg_32()
8703 static void enter_smm_save_seg_64(struct kvm_vcpu *vcpu, char *buf, int n) in enter_smm_save_seg_64() argument
8709 kvm_get_segment(vcpu, &seg, n); in enter_smm_save_seg_64()
8720 static void enter_smm_save_state_32(struct kvm_vcpu *vcpu, char *buf) in enter_smm_save_state_32() argument
8727 put_smstate(u32, buf, 0x7ffc, kvm_read_cr0(vcpu)); in enter_smm_save_state_32()
8728 put_smstate(u32, buf, 0x7ff8, kvm_read_cr3(vcpu)); in enter_smm_save_state_32()
8729 put_smstate(u32, buf, 0x7ff4, kvm_get_rflags(vcpu)); in enter_smm_save_state_32()
8730 put_smstate(u32, buf, 0x7ff0, kvm_rip_read(vcpu)); in enter_smm_save_state_32()
8733 put_smstate(u32, buf, 0x7fd0 + i * 4, kvm_register_read(vcpu, i)); in enter_smm_save_state_32()
8735 kvm_get_dr(vcpu, 6, &val); in enter_smm_save_state_32()
8737 kvm_get_dr(vcpu, 7, &val); in enter_smm_save_state_32()
8740 kvm_get_segment(vcpu, &seg, VCPU_SREG_TR); in enter_smm_save_state_32()
8746 kvm_get_segment(vcpu, &seg, VCPU_SREG_LDTR); in enter_smm_save_state_32()
8752 kvm_x86_ops.get_gdt(vcpu, &dt); in enter_smm_save_state_32()
8756 kvm_x86_ops.get_idt(vcpu, &dt); in enter_smm_save_state_32()
8761 enter_smm_save_seg_32(vcpu, buf, i); in enter_smm_save_state_32()
8763 put_smstate(u32, buf, 0x7f14, kvm_read_cr4(vcpu)); in enter_smm_save_state_32()
8767 put_smstate(u32, buf, 0x7ef8, vcpu->arch.smbase); in enter_smm_save_state_32()
8771 static void enter_smm_save_state_64(struct kvm_vcpu *vcpu, char *buf) in enter_smm_save_state_64() argument
8779 put_smstate(u64, buf, 0x7ff8 - i * 8, kvm_register_read(vcpu, i)); in enter_smm_save_state_64()
8781 put_smstate(u64, buf, 0x7f78, kvm_rip_read(vcpu)); in enter_smm_save_state_64()
8782 put_smstate(u32, buf, 0x7f70, kvm_get_rflags(vcpu)); in enter_smm_save_state_64()
8784 kvm_get_dr(vcpu, 6, &val); in enter_smm_save_state_64()
8786 kvm_get_dr(vcpu, 7, &val); in enter_smm_save_state_64()
8789 put_smstate(u64, buf, 0x7f58, kvm_read_cr0(vcpu)); in enter_smm_save_state_64()
8790 put_smstate(u64, buf, 0x7f50, kvm_read_cr3(vcpu)); in enter_smm_save_state_64()
8791 put_smstate(u64, buf, 0x7f48, kvm_read_cr4(vcpu)); in enter_smm_save_state_64()
8793 put_smstate(u32, buf, 0x7f00, vcpu->arch.smbase); in enter_smm_save_state_64()
8798 put_smstate(u64, buf, 0x7ed0, vcpu->arch.efer); in enter_smm_save_state_64()
8800 kvm_get_segment(vcpu, &seg, VCPU_SREG_TR); in enter_smm_save_state_64()
8806 kvm_x86_ops.get_idt(vcpu, &dt); in enter_smm_save_state_64()
8810 kvm_get_segment(vcpu, &seg, VCPU_SREG_LDTR); in enter_smm_save_state_64()
8816 kvm_x86_ops.get_gdt(vcpu, &dt); in enter_smm_save_state_64()
8821 enter_smm_save_seg_64(vcpu, buf, i); in enter_smm_save_state_64()
8825 static void enter_smm(struct kvm_vcpu *vcpu) in enter_smm() argument
8832 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, true); in enter_smm()
8835 if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) in enter_smm()
8836 enter_smm_save_state_64(vcpu, buf); in enter_smm()
8839 enter_smm_save_state_32(vcpu, buf); in enter_smm()
8843 * vCPU state (e.g. leave guest mode) after we've saved the state into in enter_smm()
8846 kvm_x86_ops.pre_enter_smm(vcpu, buf); in enter_smm()
8848 vcpu->arch.hflags |= HF_SMM_MASK; in enter_smm()
8849 kvm_vcpu_write_guest(vcpu, vcpu->arch.smbase + 0xfe00, buf, sizeof(buf)); in enter_smm()
8851 if (kvm_x86_ops.get_nmi_mask(vcpu)) in enter_smm()
8852 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in enter_smm()
8854 kvm_x86_ops.set_nmi_mask(vcpu, true); in enter_smm()
8856 kvm_set_rflags(vcpu, X86_EFLAGS_FIXED); in enter_smm()
8857 kvm_rip_write(vcpu, 0x8000); in enter_smm()
8859 cr0 = vcpu->arch.cr0 & ~(X86_CR0_PE | X86_CR0_EM | X86_CR0_TS | X86_CR0_PG); in enter_smm()
8860 kvm_x86_ops.set_cr0(vcpu, cr0); in enter_smm()
8861 vcpu->arch.cr0 = cr0; in enter_smm()
8863 kvm_x86_ops.set_cr4(vcpu, 0); in enter_smm()
8867 kvm_x86_ops.set_idt(vcpu, &dt); in enter_smm()
8869 __kvm_set_dr(vcpu, 7, DR7_FIXED_1); in enter_smm()
8871 cs.selector = (vcpu->arch.smbase >> 4) & 0xffff; in enter_smm()
8872 cs.base = vcpu->arch.smbase; in enter_smm()
8889 kvm_set_segment(vcpu, &cs, VCPU_SREG_CS); in enter_smm()
8890 kvm_set_segment(vcpu, &ds, VCPU_SREG_DS); in enter_smm()
8891 kvm_set_segment(vcpu, &ds, VCPU_SREG_ES); in enter_smm()
8892 kvm_set_segment(vcpu, &ds, VCPU_SREG_FS); in enter_smm()
8893 kvm_set_segment(vcpu, &ds, VCPU_SREG_GS); in enter_smm()
8894 kvm_set_segment(vcpu, &ds, VCPU_SREG_SS); in enter_smm()
8897 if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) in enter_smm()
8898 kvm_x86_ops.set_efer(vcpu, 0); in enter_smm()
8901 kvm_update_cpuid_runtime(vcpu); in enter_smm()
8902 kvm_mmu_reset_context(vcpu); in enter_smm()
8905 static void process_smi(struct kvm_vcpu *vcpu) in process_smi() argument
8907 vcpu->arch.smi_pending = true; in process_smi()
8908 kvm_make_request(KVM_REQ_EVENT, vcpu); in process_smi()
8929 void kvm_vcpu_update_apicv(struct kvm_vcpu *vcpu) in kvm_vcpu_update_apicv() argument
8931 if (!lapic_in_kernel(vcpu)) in kvm_vcpu_update_apicv()
8934 vcpu->arch.apicv_active = kvm_apicv_activated(vcpu->kvm); in kvm_vcpu_update_apicv()
8935 kvm_apic_update_apicv(vcpu); in kvm_vcpu_update_apicv()
8936 kvm_x86_ops.refresh_apicv_exec_ctrl(vcpu); in kvm_vcpu_update_apicv()
8977 * while update the calling vcpu immediately instead of in kvm_request_apicv_update()
8988 static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) in vcpu_scan_ioapic() argument
8990 if (!kvm_apic_present(vcpu)) in vcpu_scan_ioapic()
8993 bitmap_zero(vcpu->arch.ioapic_handled_vectors, 256); in vcpu_scan_ioapic()
8995 if (irqchip_split(vcpu->kvm)) in vcpu_scan_ioapic()
8996 kvm_scan_ioapic_routes(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
8998 if (vcpu->arch.apicv_active) in vcpu_scan_ioapic()
8999 kvm_x86_ops.sync_pir_to_irr(vcpu); in vcpu_scan_ioapic()
9000 if (ioapic_in_kernel(vcpu->kvm)) in vcpu_scan_ioapic()
9001 kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
9004 if (is_guest_mode(vcpu)) in vcpu_scan_ioapic()
9005 vcpu->arch.load_eoi_exitmap_pending = true; in vcpu_scan_ioapic()
9007 kvm_make_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu); in vcpu_scan_ioapic()
9010 static void vcpu_load_eoi_exitmap(struct kvm_vcpu *vcpu) in vcpu_load_eoi_exitmap() argument
9014 if (!kvm_apic_hw_enabled(vcpu->arch.apic)) in vcpu_load_eoi_exitmap()
9017 bitmap_or((ulong *)eoi_exit_bitmap, vcpu->arch.ioapic_handled_vectors, in vcpu_load_eoi_exitmap()
9018 vcpu_to_synic(vcpu)->vec_bitmap, 256); in vcpu_load_eoi_exitmap()
9019 kvm_x86_ops.load_eoi_exitmap(vcpu, eoi_exit_bitmap); in vcpu_load_eoi_exitmap()
9042 void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu) in kvm_vcpu_reload_apic_access_page() argument
9044 if (!lapic_in_kernel(vcpu)) in kvm_vcpu_reload_apic_access_page()
9050 kvm_x86_ops.set_apic_access_page_addr(vcpu); in kvm_vcpu_reload_apic_access_page()
9053 void __kvm_request_immediate_exit(struct kvm_vcpu *vcpu) in __kvm_request_immediate_exit() argument
9055 smp_send_reschedule(vcpu->cpu); in __kvm_request_immediate_exit()
9064 static int vcpu_enter_guest(struct kvm_vcpu *vcpu) in vcpu_enter_guest() argument
9068 dm_request_for_irq_injection(vcpu) && in vcpu_enter_guest()
9069 kvm_cpu_accept_dm_intr(vcpu); in vcpu_enter_guest()
9074 if (kvm_request_pending(vcpu)) { in vcpu_enter_guest()
9075 if (kvm_check_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu)) { in vcpu_enter_guest()
9076 if (unlikely(!kvm_x86_ops.nested_ops->get_nested_state_pages(vcpu))) { in vcpu_enter_guest()
9081 if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu)) in vcpu_enter_guest()
9082 kvm_mmu_unload(vcpu); in vcpu_enter_guest()
9083 if (kvm_check_request(KVM_REQ_MIGRATE_TIMER, vcpu)) in vcpu_enter_guest()
9084 __kvm_migrate_timers(vcpu); in vcpu_enter_guest()
9085 if (kvm_check_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu)) in vcpu_enter_guest()
9086 kvm_gen_update_masterclock(vcpu->kvm); in vcpu_enter_guest()
9087 if (kvm_check_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu)) in vcpu_enter_guest()
9088 kvm_gen_kvmclock_update(vcpu); in vcpu_enter_guest()
9089 if (kvm_check_request(KVM_REQ_CLOCK_UPDATE, vcpu)) { in vcpu_enter_guest()
9090 r = kvm_guest_time_update(vcpu); in vcpu_enter_guest()
9094 if (kvm_check_request(KVM_REQ_MMU_SYNC, vcpu)) in vcpu_enter_guest()
9095 kvm_mmu_sync_roots(vcpu); in vcpu_enter_guest()
9096 if (kvm_check_request(KVM_REQ_LOAD_MMU_PGD, vcpu)) in vcpu_enter_guest()
9097 kvm_mmu_load_pgd(vcpu); in vcpu_enter_guest()
9098 if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) { in vcpu_enter_guest()
9099 kvm_vcpu_flush_tlb_all(vcpu); in vcpu_enter_guest()
9102 kvm_clear_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in vcpu_enter_guest()
9104 if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu)) in vcpu_enter_guest()
9105 kvm_vcpu_flush_tlb_current(vcpu); in vcpu_enter_guest()
9106 if (kvm_check_request(KVM_REQ_TLB_FLUSH_GUEST, vcpu)) in vcpu_enter_guest()
9107 kvm_vcpu_flush_tlb_guest(vcpu); in vcpu_enter_guest()
9109 if (kvm_check_request(KVM_REQ_REPORT_TPR_ACCESS, vcpu)) { in vcpu_enter_guest()
9110 vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS; in vcpu_enter_guest()
9114 if (kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)) { in vcpu_enter_guest()
9115 vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN; in vcpu_enter_guest()
9116 vcpu->mmio_needed = 0; in vcpu_enter_guest()
9120 if (kvm_check_request(KVM_REQ_APF_HALT, vcpu)) { in vcpu_enter_guest()
9122 vcpu->arch.apf.halted = true; in vcpu_enter_guest()
9126 if (kvm_check_request(KVM_REQ_STEAL_UPDATE, vcpu)) in vcpu_enter_guest()
9127 record_steal_time(vcpu); in vcpu_enter_guest()
9128 if (kvm_check_request(KVM_REQ_SMI, vcpu)) in vcpu_enter_guest()
9129 process_smi(vcpu); in vcpu_enter_guest()
9130 if (kvm_check_request(KVM_REQ_NMI, vcpu)) in vcpu_enter_guest()
9131 process_nmi(vcpu); in vcpu_enter_guest()
9132 if (kvm_check_request(KVM_REQ_PMU, vcpu)) in vcpu_enter_guest()
9133 kvm_pmu_handle_event(vcpu); in vcpu_enter_guest()
9134 if (kvm_check_request(KVM_REQ_PMI, vcpu)) in vcpu_enter_guest()
9135 kvm_pmu_deliver_pmi(vcpu); in vcpu_enter_guest()
9136 if (kvm_check_request(KVM_REQ_IOAPIC_EOI_EXIT, vcpu)) { in vcpu_enter_guest()
9137 BUG_ON(vcpu->arch.pending_ioapic_eoi > 255); in vcpu_enter_guest()
9138 if (test_bit(vcpu->arch.pending_ioapic_eoi, in vcpu_enter_guest()
9139 vcpu->arch.ioapic_handled_vectors)) { in vcpu_enter_guest()
9140 vcpu->run->exit_reason = KVM_EXIT_IOAPIC_EOI; in vcpu_enter_guest()
9141 vcpu->run->eoi.vector = in vcpu_enter_guest()
9142 vcpu->arch.pending_ioapic_eoi; in vcpu_enter_guest()
9147 if (kvm_check_request(KVM_REQ_SCAN_IOAPIC, vcpu)) in vcpu_enter_guest()
9148 vcpu_scan_ioapic(vcpu); in vcpu_enter_guest()
9149 if (kvm_check_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu)) in vcpu_enter_guest()
9150 vcpu_load_eoi_exitmap(vcpu); in vcpu_enter_guest()
9151 if (kvm_check_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu)) in vcpu_enter_guest()
9152 kvm_vcpu_reload_apic_access_page(vcpu); in vcpu_enter_guest()
9153 if (kvm_check_request(KVM_REQ_HV_CRASH, vcpu)) { in vcpu_enter_guest()
9154 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
9155 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_CRASH; in vcpu_enter_guest()
9159 if (kvm_check_request(KVM_REQ_HV_RESET, vcpu)) { in vcpu_enter_guest()
9160 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
9161 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_RESET; in vcpu_enter_guest()
9165 if (kvm_check_request(KVM_REQ_HV_EXIT, vcpu)) { in vcpu_enter_guest()
9166 vcpu->run->exit_reason = KVM_EXIT_HYPERV; in vcpu_enter_guest()
9167 vcpu->run->hyperv = vcpu->arch.hyperv.exit; in vcpu_enter_guest()
9177 if (kvm_check_request(KVM_REQ_HV_STIMER, vcpu)) in vcpu_enter_guest()
9178 kvm_hv_process_stimers(vcpu); in vcpu_enter_guest()
9179 if (kvm_check_request(KVM_REQ_APICV_UPDATE, vcpu)) in vcpu_enter_guest()
9180 kvm_vcpu_update_apicv(vcpu); in vcpu_enter_guest()
9181 if (kvm_check_request(KVM_REQ_APF_READY, vcpu)) in vcpu_enter_guest()
9182 kvm_check_async_pf_completion(vcpu); in vcpu_enter_guest()
9183 if (kvm_check_request(KVM_REQ_MSR_FILTER_CHANGED, vcpu)) in vcpu_enter_guest()
9184 kvm_x86_ops.msr_filter_changed(vcpu); in vcpu_enter_guest()
9187 if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) { in vcpu_enter_guest()
9188 ++vcpu->stat.req_event; in vcpu_enter_guest()
9189 kvm_apic_accept_events(vcpu); in vcpu_enter_guest()
9190 if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) { in vcpu_enter_guest()
9195 inject_pending_event(vcpu, &req_immediate_exit); in vcpu_enter_guest()
9197 kvm_x86_ops.enable_irq_window(vcpu); in vcpu_enter_guest()
9199 if (kvm_lapic_enabled(vcpu)) { in vcpu_enter_guest()
9200 update_cr8_intercept(vcpu); in vcpu_enter_guest()
9201 kvm_lapic_sync_to_vapic(vcpu); in vcpu_enter_guest()
9205 r = kvm_mmu_reload(vcpu); in vcpu_enter_guest()
9212 kvm_x86_ops.prepare_guest_switch(vcpu); in vcpu_enter_guest()
9220 vcpu->mode = IN_GUEST_MODE; in vcpu_enter_guest()
9222 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in vcpu_enter_guest()
9233 * tables done while the VCPU is running. Please see the comment in vcpu_enter_guest()
9242 if (kvm_lapic_enabled(vcpu) && vcpu->arch.apicv_active) in vcpu_enter_guest()
9243 kvm_x86_ops.sync_pir_to_irr(vcpu); in vcpu_enter_guest()
9245 if (kvm_vcpu_exit_request(vcpu)) { in vcpu_enter_guest()
9246 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9250 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9256 kvm_make_request(KVM_REQ_EVENT, vcpu); in vcpu_enter_guest()
9257 kvm_x86_ops.request_immediate_exit(vcpu); in vcpu_enter_guest()
9260 trace_kvm_entry(vcpu); in vcpu_enter_guest()
9266 if (unlikely(vcpu->arch.switch_db_regs)) { in vcpu_enter_guest()
9268 set_debugreg(vcpu->arch.eff_db[0], 0); in vcpu_enter_guest()
9269 set_debugreg(vcpu->arch.eff_db[1], 1); in vcpu_enter_guest()
9270 set_debugreg(vcpu->arch.eff_db[2], 2); in vcpu_enter_guest()
9271 set_debugreg(vcpu->arch.eff_db[3], 3); in vcpu_enter_guest()
9272 set_debugreg(vcpu->arch.dr6, 6); in vcpu_enter_guest()
9273 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9278 exit_fastpath = kvm_x86_ops.run(vcpu); in vcpu_enter_guest()
9286 if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)) { in vcpu_enter_guest()
9287 WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP); in vcpu_enter_guest()
9288 kvm_x86_ops.sync_dirty_debug_regs(vcpu); in vcpu_enter_guest()
9289 kvm_update_dr0123(vcpu); in vcpu_enter_guest()
9290 kvm_update_dr7(vcpu); in vcpu_enter_guest()
9291 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9304 vcpu->arch.last_vmentry_cpu = vcpu->cpu; in vcpu_enter_guest()
9305 vcpu->arch.last_guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc()); in vcpu_enter_guest()
9307 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9310 kvm_x86_ops.handle_exit_irqoff(vcpu); in vcpu_enter_guest()
9319 kvm_before_interrupt(vcpu); in vcpu_enter_guest()
9321 ++vcpu->stat.exits; in vcpu_enter_guest()
9323 kvm_after_interrupt(vcpu); in vcpu_enter_guest()
9334 if (lapic_in_kernel(vcpu)) { in vcpu_enter_guest()
9335 s64 delta = vcpu->arch.apic->lapic_timer.advance_expire_delta; in vcpu_enter_guest()
9337 trace_kvm_wait_lapic_expire(vcpu->vcpu_id, delta); in vcpu_enter_guest()
9338 vcpu->arch.apic->lapic_timer.advance_expire_delta = S64_MIN; in vcpu_enter_guest()
9345 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9351 unsigned long rip = kvm_rip_read(vcpu); in vcpu_enter_guest()
9355 if (unlikely(vcpu->arch.tsc_always_catchup)) in vcpu_enter_guest()
9356 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in vcpu_enter_guest()
9358 if (vcpu->arch.apic_attention) in vcpu_enter_guest()
9359 kvm_lapic_sync_from_vapic(vcpu); in vcpu_enter_guest()
9361 r = kvm_x86_ops.handle_exit(vcpu, exit_fastpath); in vcpu_enter_guest()
9366 kvm_make_request(KVM_REQ_EVENT, vcpu); in vcpu_enter_guest()
9367 kvm_x86_ops.cancel_injection(vcpu); in vcpu_enter_guest()
9368 if (unlikely(vcpu->arch.apic_attention)) in vcpu_enter_guest()
9369 kvm_lapic_sync_from_vapic(vcpu); in vcpu_enter_guest()
9374 static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) in vcpu_block() argument
9376 if (!kvm_arch_vcpu_runnable(vcpu) && in vcpu_block()
9377 (!kvm_x86_ops.pre_block || kvm_x86_ops.pre_block(vcpu) == 0)) { in vcpu_block()
9378 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_block()
9379 kvm_vcpu_block(vcpu); in vcpu_block()
9380 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_block()
9383 kvm_x86_ops.post_block(vcpu); in vcpu_block()
9385 if (!kvm_check_request(KVM_REQ_UNHALT, vcpu)) in vcpu_block()
9389 kvm_apic_accept_events(vcpu); in vcpu_block()
9390 switch(vcpu->arch.mp_state) { in vcpu_block()
9392 vcpu->arch.pv.pv_unhalted = false; in vcpu_block()
9393 vcpu->arch.mp_state = in vcpu_block()
9397 vcpu->arch.apf.halted = false; in vcpu_block()
9407 static inline bool kvm_vcpu_running(struct kvm_vcpu *vcpu) in kvm_vcpu_running() argument
9409 if (is_guest_mode(vcpu)) in kvm_vcpu_running()
9410 kvm_x86_ops.nested_ops->check_events(vcpu); in kvm_vcpu_running()
9412 return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE && in kvm_vcpu_running()
9413 !vcpu->arch.apf.halted); in kvm_vcpu_running()
9416 static int vcpu_run(struct kvm_vcpu *vcpu) in vcpu_run() argument
9419 struct kvm *kvm = vcpu->kvm; in vcpu_run()
9421 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9422 vcpu->arch.l1tf_flush_l1d = true; in vcpu_run()
9426 * If another guest vCPU requests a PV TLB flush in the middle in vcpu_run()
9431 vcpu->arch.at_instruction_boundary = false; in vcpu_run()
9432 if (kvm_vcpu_running(vcpu)) { in vcpu_run()
9433 r = vcpu_enter_guest(vcpu); in vcpu_run()
9435 r = vcpu_block(kvm, vcpu); in vcpu_run()
9441 kvm_clear_request(KVM_REQ_PENDING_TIMER, vcpu); in vcpu_run()
9442 if (kvm_cpu_has_pending_timer(vcpu)) in vcpu_run()
9443 kvm_inject_pending_timer_irqs(vcpu); in vcpu_run()
9445 if (dm_request_for_irq_injection(vcpu) && in vcpu_run()
9446 kvm_vcpu_ready_for_interrupt_injection(vcpu)) { in vcpu_run()
9448 vcpu->run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; in vcpu_run()
9449 ++vcpu->stat.request_irq_exits; in vcpu_run()
9454 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9455 r = xfer_to_guest_mode_handle_work(vcpu); in vcpu_run()
9458 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9462 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9467 static inline int complete_emulated_io(struct kvm_vcpu *vcpu) in complete_emulated_io() argument
9471 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in complete_emulated_io()
9472 r = kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE); in complete_emulated_io()
9473 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in complete_emulated_io()
9477 static int complete_emulated_pio(struct kvm_vcpu *vcpu) in complete_emulated_pio() argument
9479 BUG_ON(!vcpu->arch.pio.count); in complete_emulated_pio()
9481 return complete_emulated_io(vcpu); in complete_emulated_pio()
9502 static int complete_emulated_mmio(struct kvm_vcpu *vcpu) in complete_emulated_mmio() argument
9504 struct kvm_run *run = vcpu->run; in complete_emulated_mmio()
9508 BUG_ON(!vcpu->mmio_needed); in complete_emulated_mmio()
9511 frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment]; in complete_emulated_mmio()
9513 if (!vcpu->mmio_is_write) in complete_emulated_mmio()
9519 vcpu->mmio_cur_fragment++; in complete_emulated_mmio()
9527 if (vcpu->mmio_cur_fragment >= vcpu->mmio_nr_fragments) { in complete_emulated_mmio()
9528 vcpu->mmio_needed = 0; in complete_emulated_mmio()
9531 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9533 vcpu->mmio_read_completed = 1; in complete_emulated_mmio()
9534 return complete_emulated_io(vcpu); in complete_emulated_mmio()
9539 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9542 run->mmio.is_write = vcpu->mmio_is_write; in complete_emulated_mmio()
9543 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in complete_emulated_mmio()
9561 static void kvm_load_guest_fpu(struct kvm_vcpu *vcpu) in kvm_load_guest_fpu() argument
9565 kvm_save_current_fpu(vcpu->arch.user_fpu); in kvm_load_guest_fpu()
9568 __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu->state, in kvm_load_guest_fpu()
9578 static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu) in kvm_put_guest_fpu() argument
9582 kvm_save_current_fpu(vcpu->arch.guest_fpu); in kvm_put_guest_fpu()
9584 copy_kernel_to_fpregs(&vcpu->arch.user_fpu->state); in kvm_put_guest_fpu()
9589 ++vcpu->stat.fpu_reload; in kvm_put_guest_fpu()
9593 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_ioctl_run() argument
9595 struct kvm_run *kvm_run = vcpu->run; in kvm_arch_vcpu_ioctl_run()
9598 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_run()
9599 kvm_sigset_activate(vcpu); in kvm_arch_vcpu_ioctl_run()
9600 kvm_load_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_run()
9602 if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { in kvm_arch_vcpu_ioctl_run()
9607 kvm_vcpu_block(vcpu); in kvm_arch_vcpu_ioctl_run()
9608 kvm_apic_accept_events(vcpu); in kvm_arch_vcpu_ioctl_run()
9609 kvm_clear_request(KVM_REQ_UNHALT, vcpu); in kvm_arch_vcpu_ioctl_run()
9614 ++vcpu->stat.signal_exits; in kvm_arch_vcpu_ioctl_run()
9625 r = sync_regs(vcpu); in kvm_arch_vcpu_ioctl_run()
9631 if (!lapic_in_kernel(vcpu)) { in kvm_arch_vcpu_ioctl_run()
9632 if (kvm_set_cr8(vcpu, kvm_run->cr8) != 0) { in kvm_arch_vcpu_ioctl_run()
9638 if (unlikely(vcpu->arch.complete_userspace_io)) { in kvm_arch_vcpu_ioctl_run()
9639 int (*cui)(struct kvm_vcpu *) = vcpu->arch.complete_userspace_io; in kvm_arch_vcpu_ioctl_run()
9640 vcpu->arch.complete_userspace_io = NULL; in kvm_arch_vcpu_ioctl_run()
9641 r = cui(vcpu); in kvm_arch_vcpu_ioctl_run()
9645 WARN_ON(vcpu->arch.pio.count || vcpu->mmio_needed); in kvm_arch_vcpu_ioctl_run()
9650 r = vcpu_run(vcpu); in kvm_arch_vcpu_ioctl_run()
9653 kvm_put_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_run()
9655 store_regs(vcpu); in kvm_arch_vcpu_ioctl_run()
9656 post_kvm_run_save(vcpu); in kvm_arch_vcpu_ioctl_run()
9657 kvm_sigset_deactivate(vcpu); in kvm_arch_vcpu_ioctl_run()
9659 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_run()
9663 static void __get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in __get_regs() argument
9665 if (vcpu->arch.emulate_regs_need_sync_to_vcpu) { in __get_regs()
9669 * back from emulation context to vcpu. Userspace shouldn't do in __get_regs()
9673 emulator_writeback_register_cache(vcpu->arch.emulate_ctxt); in __get_regs()
9674 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __get_regs()
9676 regs->rax = kvm_rax_read(vcpu); in __get_regs()
9677 regs->rbx = kvm_rbx_read(vcpu); in __get_regs()
9678 regs->rcx = kvm_rcx_read(vcpu); in __get_regs()
9679 regs->rdx = kvm_rdx_read(vcpu); in __get_regs()
9680 regs->rsi = kvm_rsi_read(vcpu); in __get_regs()
9681 regs->rdi = kvm_rdi_read(vcpu); in __get_regs()
9682 regs->rsp = kvm_rsp_read(vcpu); in __get_regs()
9683 regs->rbp = kvm_rbp_read(vcpu); in __get_regs()
9685 regs->r8 = kvm_r8_read(vcpu); in __get_regs()
9686 regs->r9 = kvm_r9_read(vcpu); in __get_regs()
9687 regs->r10 = kvm_r10_read(vcpu); in __get_regs()
9688 regs->r11 = kvm_r11_read(vcpu); in __get_regs()
9689 regs->r12 = kvm_r12_read(vcpu); in __get_regs()
9690 regs->r13 = kvm_r13_read(vcpu); in __get_regs()
9691 regs->r14 = kvm_r14_read(vcpu); in __get_regs()
9692 regs->r15 = kvm_r15_read(vcpu); in __get_regs()
9695 regs->rip = kvm_rip_read(vcpu); in __get_regs()
9696 regs->rflags = kvm_get_rflags(vcpu); in __get_regs()
9699 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_get_regs() argument
9701 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_regs()
9702 __get_regs(vcpu, regs); in kvm_arch_vcpu_ioctl_get_regs()
9703 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_regs()
9707 static void __set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in __set_regs() argument
9709 vcpu->arch.emulate_regs_need_sync_from_vcpu = true; in __set_regs()
9710 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __set_regs()
9712 kvm_rax_write(vcpu, regs->rax); in __set_regs()
9713 kvm_rbx_write(vcpu, regs->rbx); in __set_regs()
9714 kvm_rcx_write(vcpu, regs->rcx); in __set_regs()
9715 kvm_rdx_write(vcpu, regs->rdx); in __set_regs()
9716 kvm_rsi_write(vcpu, regs->rsi); in __set_regs()
9717 kvm_rdi_write(vcpu, regs->rdi); in __set_regs()
9718 kvm_rsp_write(vcpu, regs->rsp); in __set_regs()
9719 kvm_rbp_write(vcpu, regs->rbp); in __set_regs()
9721 kvm_r8_write(vcpu, regs->r8); in __set_regs()
9722 kvm_r9_write(vcpu, regs->r9); in __set_regs()
9723 kvm_r10_write(vcpu, regs->r10); in __set_regs()
9724 kvm_r11_write(vcpu, regs->r11); in __set_regs()
9725 kvm_r12_write(vcpu, regs->r12); in __set_regs()
9726 kvm_r13_write(vcpu, regs->r13); in __set_regs()
9727 kvm_r14_write(vcpu, regs->r14); in __set_regs()
9728 kvm_r15_write(vcpu, regs->r15); in __set_regs()
9731 kvm_rip_write(vcpu, regs->rip); in __set_regs()
9732 kvm_set_rflags(vcpu, regs->rflags | X86_EFLAGS_FIXED); in __set_regs()
9734 vcpu->arch.exception.pending = false; in __set_regs()
9736 kvm_make_request(KVM_REQ_EVENT, vcpu); in __set_regs()
9739 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_set_regs() argument
9741 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_regs()
9742 __set_regs(vcpu, regs); in kvm_arch_vcpu_ioctl_set_regs()
9743 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_regs()
9747 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) in kvm_get_cs_db_l_bits() argument
9751 kvm_get_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_get_cs_db_l_bits()
9757 static void __get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in __get_sregs() argument
9761 kvm_get_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __get_sregs()
9762 kvm_get_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __get_sregs()
9763 kvm_get_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __get_sregs()
9764 kvm_get_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __get_sregs()
9765 kvm_get_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __get_sregs()
9766 kvm_get_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __get_sregs()
9768 kvm_get_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __get_sregs()
9769 kvm_get_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __get_sregs()
9771 kvm_x86_ops.get_idt(vcpu, &dt); in __get_sregs()
9774 kvm_x86_ops.get_gdt(vcpu, &dt); in __get_sregs()
9778 sregs->cr0 = kvm_read_cr0(vcpu); in __get_sregs()
9779 sregs->cr2 = vcpu->arch.cr2; in __get_sregs()
9780 sregs->cr3 = kvm_read_cr3(vcpu); in __get_sregs()
9781 sregs->cr4 = kvm_read_cr4(vcpu); in __get_sregs()
9782 sregs->cr8 = kvm_get_cr8(vcpu); in __get_sregs()
9783 sregs->efer = vcpu->arch.efer; in __get_sregs()
9784 sregs->apic_base = kvm_get_apic_base(vcpu); in __get_sregs()
9788 if (vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft) in __get_sregs()
9789 set_bit(vcpu->arch.interrupt.nr, in __get_sregs()
9793 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_sregs() argument
9796 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_sregs()
9797 __get_sregs(vcpu, sregs); in kvm_arch_vcpu_ioctl_get_sregs()
9798 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_sregs()
9802 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_mpstate() argument
9805 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9807 kvm_load_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9809 kvm_apic_accept_events(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9810 if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED && in kvm_arch_vcpu_ioctl_get_mpstate()
9811 vcpu->arch.pv.pv_unhalted) in kvm_arch_vcpu_ioctl_get_mpstate()
9814 mp_state->mp_state = vcpu->arch.mp_state; in kvm_arch_vcpu_ioctl_get_mpstate()
9817 kvm_put_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9818 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9822 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_mpstate() argument
9827 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9829 if (!lapic_in_kernel(vcpu) && in kvm_arch_vcpu_ioctl_set_mpstate()
9838 if ((kvm_vcpu_latch_init(vcpu) || vcpu->arch.smi_pending) && in kvm_arch_vcpu_ioctl_set_mpstate()
9844 vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; in kvm_arch_vcpu_ioctl_set_mpstate()
9845 set_bit(KVM_APIC_SIPI, &vcpu->arch.apic->pending_events); in kvm_arch_vcpu_ioctl_set_mpstate()
9847 vcpu->arch.mp_state = mp_state->mp_state; in kvm_arch_vcpu_ioctl_set_mpstate()
9848 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9852 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9856 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index, in kvm_task_switch() argument
9859 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_task_switch()
9862 init_emulate_ctxt(vcpu); in kvm_task_switch()
9867 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_task_switch()
9868 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_task_switch()
9869 vcpu->run->internal.ndata = 0; in kvm_task_switch()
9873 kvm_rip_write(vcpu, ctxt->eip); in kvm_task_switch()
9874 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_task_switch()
9879 static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in kvm_valid_sregs() argument
9890 if (sregs->cr3 & vcpu->arch.cr3_lm_rsvd_bits) in kvm_valid_sregs()
9901 return kvm_valid_cr4(vcpu, sregs->cr4); in kvm_valid_sregs()
9904 static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in __set_sregs() argument
9913 if (kvm_valid_sregs(vcpu, sregs)) in __set_sregs()
9918 if (kvm_set_apic_base(vcpu, &apic_base_msr)) in __set_sregs()
9923 kvm_x86_ops.set_idt(vcpu, &dt); in __set_sregs()
9926 kvm_x86_ops.set_gdt(vcpu, &dt); in __set_sregs()
9928 vcpu->arch.cr2 = sregs->cr2; in __set_sregs()
9929 mmu_reset_needed |= kvm_read_cr3(vcpu) != sregs->cr3; in __set_sregs()
9930 vcpu->arch.cr3 = sregs->cr3; in __set_sregs()
9931 kvm_register_mark_available(vcpu, VCPU_EXREG_CR3); in __set_sregs()
9933 kvm_set_cr8(vcpu, sregs->cr8); in __set_sregs()
9935 mmu_reset_needed |= vcpu->arch.efer != sregs->efer; in __set_sregs()
9936 kvm_x86_ops.set_efer(vcpu, sregs->efer); in __set_sregs()
9938 mmu_reset_needed |= kvm_read_cr0(vcpu) != sregs->cr0; in __set_sregs()
9939 kvm_x86_ops.set_cr0(vcpu, sregs->cr0); in __set_sregs()
9940 vcpu->arch.cr0 = sregs->cr0; in __set_sregs()
9942 mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4; in __set_sregs()
9943 cpuid_update_needed |= ((kvm_read_cr4(vcpu) ^ sregs->cr4) & in __set_sregs()
9945 kvm_x86_ops.set_cr4(vcpu, sregs->cr4); in __set_sregs()
9947 kvm_update_cpuid_runtime(vcpu); in __set_sregs()
9949 idx = srcu_read_lock(&vcpu->kvm->srcu); in __set_sregs()
9950 if (is_pae_paging(vcpu)) { in __set_sregs()
9951 load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu)); in __set_sregs()
9954 srcu_read_unlock(&vcpu->kvm->srcu, idx); in __set_sregs()
9957 kvm_mmu_reset_context(vcpu); in __set_sregs()
9963 kvm_queue_interrupt(vcpu, pending_vec, false); in __set_sregs()
9967 kvm_set_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __set_sregs()
9968 kvm_set_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __set_sregs()
9969 kvm_set_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __set_sregs()
9970 kvm_set_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __set_sregs()
9971 kvm_set_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __set_sregs()
9972 kvm_set_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __set_sregs()
9974 kvm_set_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __set_sregs()
9975 kvm_set_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __set_sregs()
9977 update_cr8_intercept(vcpu); in __set_sregs()
9979 /* Older userspace won't unhalt the vcpu on reset. */ in __set_sregs()
9980 if (kvm_vcpu_is_bsp(vcpu) && kvm_rip_read(vcpu) == 0xfff0 && in __set_sregs()
9982 !is_protmode(vcpu)) in __set_sregs()
9983 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in __set_sregs()
9985 kvm_make_request(KVM_REQ_EVENT, vcpu); in __set_sregs()
9992 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_sregs() argument
9997 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_sregs()
9998 ret = __set_sregs(vcpu, sregs); in kvm_arch_vcpu_ioctl_set_sregs()
9999 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_sregs()
10003 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_guest_debug() argument
10009 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
10013 if (vcpu->arch.exception.pending) in kvm_arch_vcpu_ioctl_set_guest_debug()
10016 kvm_queue_exception(vcpu, DB_VECTOR); in kvm_arch_vcpu_ioctl_set_guest_debug()
10018 kvm_queue_exception(vcpu, BP_VECTOR); in kvm_arch_vcpu_ioctl_set_guest_debug()
10025 rflags = kvm_get_rflags(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
10027 vcpu->guest_debug = dbg->control; in kvm_arch_vcpu_ioctl_set_guest_debug()
10028 if (!(vcpu->guest_debug & KVM_GUESTDBG_ENABLE)) in kvm_arch_vcpu_ioctl_set_guest_debug()
10029 vcpu->guest_debug = 0; in kvm_arch_vcpu_ioctl_set_guest_debug()
10031 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) { in kvm_arch_vcpu_ioctl_set_guest_debug()
10033 vcpu->arch.eff_db[i] = dbg->arch.debugreg[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
10034 vcpu->arch.guest_debug_dr7 = dbg->arch.debugreg[7]; in kvm_arch_vcpu_ioctl_set_guest_debug()
10037 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
10039 kvm_update_dr7(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
10041 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_arch_vcpu_ioctl_set_guest_debug()
10042 vcpu->arch.singlestep_rip = kvm_rip_read(vcpu) + in kvm_arch_vcpu_ioctl_set_guest_debug()
10043 get_segment_base(vcpu, VCPU_SREG_CS); in kvm_arch_vcpu_ioctl_set_guest_debug()
10049 kvm_set_rflags(vcpu, rflags); in kvm_arch_vcpu_ioctl_set_guest_debug()
10051 kvm_x86_ops.update_exception_bitmap(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
10056 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
10063 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_translate() argument
10070 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_translate()
10072 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl_translate()
10073 gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL); in kvm_arch_vcpu_ioctl_translate()
10074 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl_translate()
10080 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_translate()
10084 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_get_fpu() argument
10088 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_fpu()
10090 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_get_fpu()
10100 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_fpu()
10104 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_set_fpu() argument
10108 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_fpu()
10110 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_set_fpu()
10121 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_fpu()
10125 static void store_regs(struct kvm_vcpu *vcpu) in store_regs() argument
10129 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_REGS) in store_regs()
10130 __get_regs(vcpu, &vcpu->run->s.regs.regs); in store_regs()
10132 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_SREGS) in store_regs()
10133 __get_sregs(vcpu, &vcpu->run->s.regs.sregs); in store_regs()
10135 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_EVENTS) in store_regs()
10137 vcpu, &vcpu->run->s.regs.events); in store_regs()
10140 static int sync_regs(struct kvm_vcpu *vcpu) in sync_regs() argument
10142 if (vcpu->run->kvm_dirty_regs & ~KVM_SYNC_X86_VALID_FIELDS) in sync_regs()
10145 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_REGS) { in sync_regs()
10146 __set_regs(vcpu, &vcpu->run->s.regs.regs); in sync_regs()
10147 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_REGS; in sync_regs()
10149 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_SREGS) { in sync_regs()
10150 if (__set_sregs(vcpu, &vcpu->run->s.regs.sregs)) in sync_regs()
10152 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_SREGS; in sync_regs()
10154 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_EVENTS) { in sync_regs()
10156 vcpu, &vcpu->run->s.regs.events)) in sync_regs()
10158 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_EVENTS; in sync_regs()
10164 static void fx_init(struct kvm_vcpu *vcpu) in fx_init() argument
10166 fpstate_init(&vcpu->arch.guest_fpu->state); in fx_init()
10168 vcpu->arch.guest_fpu->state.xsave.header.xcomp_bv = in fx_init()
10174 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in fx_init()
10176 vcpu->arch.cr0 |= X86_CR0_ET; in fx_init()
10188 int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_create() argument
10193 if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu)) in kvm_arch_vcpu_create()
10194 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_vcpu_create()
10196 vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED; in kvm_arch_vcpu_create()
10198 kvm_set_tsc_khz(vcpu, max_tsc_khz); in kvm_arch_vcpu_create()
10200 r = kvm_mmu_create(vcpu); in kvm_arch_vcpu_create()
10204 if (irqchip_in_kernel(vcpu->kvm)) { in kvm_arch_vcpu_create()
10205 r = kvm_create_lapic(vcpu, lapic_timer_advance_ns); in kvm_arch_vcpu_create()
10208 if (kvm_apicv_activated(vcpu->kvm)) in kvm_arch_vcpu_create()
10209 vcpu->arch.apicv_active = true; in kvm_arch_vcpu_create()
10218 vcpu->arch.pio_data = page_address(page); in kvm_arch_vcpu_create()
10220 vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4, in kvm_arch_vcpu_create()
10222 if (!vcpu->arch.mce_banks) in kvm_arch_vcpu_create()
10224 vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS; in kvm_arch_vcpu_create()
10226 if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, in kvm_arch_vcpu_create()
10230 if (!alloc_emulate_ctxt(vcpu)) in kvm_arch_vcpu_create()
10233 vcpu->arch.user_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10235 if (!vcpu->arch.user_fpu) { in kvm_arch_vcpu_create()
10240 vcpu->arch.guest_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10242 if (!vcpu->arch.guest_fpu) { in kvm_arch_vcpu_create()
10243 pr_err("kvm: failed to allocate vcpu's fpu\n"); in kvm_arch_vcpu_create()
10246 fx_init(vcpu); in kvm_arch_vcpu_create()
10248 vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); in kvm_arch_vcpu_create()
10249 vcpu->arch.cr3_lm_rsvd_bits = rsvd_bits(cpuid_maxphyaddr(vcpu), 63); in kvm_arch_vcpu_create()
10251 vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT; in kvm_arch_vcpu_create()
10253 kvm_async_pf_hash_reset(vcpu); in kvm_arch_vcpu_create()
10254 kvm_pmu_init(vcpu); in kvm_arch_vcpu_create()
10256 vcpu->arch.pending_external_vector = -1; in kvm_arch_vcpu_create()
10257 vcpu->arch.preempted_in_kernel = false; in kvm_arch_vcpu_create()
10259 kvm_hv_vcpu_init(vcpu); in kvm_arch_vcpu_create()
10261 r = kvm_x86_ops.vcpu_create(vcpu); in kvm_arch_vcpu_create()
10265 vcpu->arch.arch_capabilities = kvm_get_arch_capabilities(); in kvm_arch_vcpu_create()
10266 vcpu->arch.msr_platform_info = MSR_PLATFORM_INFO_CPUID_FAULT; in kvm_arch_vcpu_create()
10267 kvm_vcpu_mtrr_init(vcpu); in kvm_arch_vcpu_create()
10268 vcpu_load(vcpu); in kvm_arch_vcpu_create()
10269 kvm_vcpu_reset(vcpu, false); in kvm_arch_vcpu_create()
10270 kvm_init_mmu(vcpu, false); in kvm_arch_vcpu_create()
10271 vcpu_put(vcpu); in kvm_arch_vcpu_create()
10275 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_create()
10277 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_create()
10279 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_create()
10281 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_create()
10283 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_create()
10285 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_create()
10287 kvm_free_lapic(vcpu); in kvm_arch_vcpu_create()
10289 kvm_mmu_destroy(vcpu); in kvm_arch_vcpu_create()
10293 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_postcreate() argument
10295 struct kvm *kvm = vcpu->kvm; in kvm_arch_vcpu_postcreate()
10297 kvm_hv_vcpu_postcreate(vcpu); in kvm_arch_vcpu_postcreate()
10299 if (mutex_lock_killable(&vcpu->mutex)) in kvm_arch_vcpu_postcreate()
10301 vcpu_load(vcpu); in kvm_arch_vcpu_postcreate()
10302 kvm_synchronize_tsc(vcpu, 0); in kvm_arch_vcpu_postcreate()
10303 vcpu_put(vcpu); in kvm_arch_vcpu_postcreate()
10306 vcpu->arch.msr_kvm_poll_control = 1; in kvm_arch_vcpu_postcreate()
10308 mutex_unlock(&vcpu->mutex); in kvm_arch_vcpu_postcreate()
10310 if (kvmclock_periodic_sync && vcpu->vcpu_idx == 0) in kvm_arch_vcpu_postcreate()
10315 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_destroy() argument
10319 kvmclock_reset(vcpu); in kvm_arch_vcpu_destroy()
10321 kvm_x86_ops.vcpu_free(vcpu); in kvm_arch_vcpu_destroy()
10323 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_destroy()
10324 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_destroy()
10325 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_destroy()
10326 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_destroy()
10328 kvm_hv_vcpu_uninit(vcpu); in kvm_arch_vcpu_destroy()
10329 kvm_pmu_destroy(vcpu); in kvm_arch_vcpu_destroy()
10330 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_destroy()
10331 kvm_free_lapic(vcpu); in kvm_arch_vcpu_destroy()
10332 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_destroy()
10333 kvm_mmu_destroy(vcpu); in kvm_arch_vcpu_destroy()
10334 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_destroy()
10335 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_destroy()
10336 kvfree(vcpu->arch.cpuid_entries); in kvm_arch_vcpu_destroy()
10337 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_destroy()
10341 void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) in kvm_vcpu_reset() argument
10343 kvm_lapic_reset(vcpu, init_event); in kvm_vcpu_reset()
10345 vcpu->arch.hflags = 0; in kvm_vcpu_reset()
10347 vcpu->arch.smi_pending = 0; in kvm_vcpu_reset()
10348 vcpu->arch.smi_count = 0; in kvm_vcpu_reset()
10349 atomic_set(&vcpu->arch.nmi_queued, 0); in kvm_vcpu_reset()
10350 vcpu->arch.nmi_pending = 0; in kvm_vcpu_reset()
10351 vcpu->arch.nmi_injected = false; in kvm_vcpu_reset()
10352 kvm_clear_interrupt_queue(vcpu); in kvm_vcpu_reset()
10353 kvm_clear_exception_queue(vcpu); in kvm_vcpu_reset()
10355 memset(vcpu->arch.db, 0, sizeof(vcpu->arch.db)); in kvm_vcpu_reset()
10356 kvm_update_dr0123(vcpu); in kvm_vcpu_reset()
10357 vcpu->arch.dr6 = DR6_INIT; in kvm_vcpu_reset()
10358 vcpu->arch.dr7 = DR7_FIXED_1; in kvm_vcpu_reset()
10359 kvm_update_dr7(vcpu); in kvm_vcpu_reset()
10361 vcpu->arch.cr2 = 0; in kvm_vcpu_reset()
10363 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_reset()
10364 vcpu->arch.apf.msr_en_val = 0; in kvm_vcpu_reset()
10365 vcpu->arch.apf.msr_int_val = 0; in kvm_vcpu_reset()
10366 vcpu->arch.st.msr_val = 0; in kvm_vcpu_reset()
10368 kvmclock_reset(vcpu); in kvm_vcpu_reset()
10370 kvm_clear_async_pf_completion_queue(vcpu); in kvm_vcpu_reset()
10371 kvm_async_pf_hash_reset(vcpu); in kvm_vcpu_reset()
10372 vcpu->arch.apf.halted = false; in kvm_vcpu_reset()
10382 kvm_put_guest_fpu(vcpu); in kvm_vcpu_reset()
10383 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10387 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10392 kvm_load_guest_fpu(vcpu); in kvm_vcpu_reset()
10396 kvm_pmu_reset(vcpu); in kvm_vcpu_reset()
10397 vcpu->arch.smbase = 0x30000; in kvm_vcpu_reset()
10399 vcpu->arch.msr_misc_features_enables = 0; in kvm_vcpu_reset()
10401 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in kvm_vcpu_reset()
10404 memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs)); in kvm_vcpu_reset()
10405 vcpu->arch.regs_avail = ~0; in kvm_vcpu_reset()
10406 vcpu->arch.regs_dirty = ~0; in kvm_vcpu_reset()
10408 vcpu->arch.ia32_xss = 0; in kvm_vcpu_reset()
10410 kvm_x86_ops.vcpu_reset(vcpu, init_event); in kvm_vcpu_reset()
10413 void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector) in kvm_vcpu_deliver_sipi_vector() argument
10417 kvm_get_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_vcpu_deliver_sipi_vector()
10420 kvm_set_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_vcpu_deliver_sipi_vector()
10421 kvm_rip_write(vcpu, 0); in kvm_vcpu_deliver_sipi_vector()
10427 struct kvm_vcpu *vcpu; in kvm_arch_hardware_enable() local
10442 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_arch_hardware_enable()
10443 if (!stable && vcpu->cpu == smp_processor_id()) in kvm_arch_hardware_enable()
10444 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_arch_hardware_enable()
10445 if (stable && vcpu->arch.last_host_tsc > local_tsc) { in kvm_arch_hardware_enable()
10447 if (vcpu->arch.last_host_tsc > max_tsc) in kvm_arch_hardware_enable()
10448 max_tsc = vcpu->arch.last_host_tsc; in kvm_arch_hardware_enable()
10465 * adjustment to TSC in each VCPU. When the VCPU later gets loaded, in kvm_arch_hardware_enable()
10467 * adjustments, in case multiple suspend cycles happen before some VCPU in kvm_arch_hardware_enable()
10495 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_arch_hardware_enable()
10496 vcpu->arch.tsc_offset_adjustment += delta_cyc; in kvm_arch_hardware_enable()
10497 vcpu->arch.last_host_tsc = local_tsc; in kvm_arch_hardware_enable()
10498 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_arch_hardware_enable()
10581 bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu) in kvm_vcpu_is_reset_bsp() argument
10583 return vcpu->kvm->arch.bsp_vcpu_id == vcpu->vcpu_id; in kvm_vcpu_is_reset_bsp()
10587 bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) in kvm_vcpu_is_bsp() argument
10589 return (vcpu->arch.apic_base & MSR_IA32_APICBASE_BSP) != 0; in kvm_vcpu_is_bsp()
10595 void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_sched_in() argument
10597 struct kvm_pmu *pmu = vcpu_to_pmu(vcpu); in kvm_arch_sched_in()
10599 vcpu->arch.l1tf_flush_l1d = true; in kvm_arch_sched_in()
10602 kvm_make_request(KVM_REQ_PMU, vcpu); in kvm_arch_sched_in()
10604 kvm_x86_ops.sched_in(vcpu, cpu); in kvm_arch_sched_in()
10661 static void kvm_unload_vcpu_mmu(struct kvm_vcpu *vcpu) in kvm_unload_vcpu_mmu() argument
10663 vcpu_load(vcpu); in kvm_unload_vcpu_mmu()
10664 kvm_mmu_unload(vcpu); in kvm_unload_vcpu_mmu()
10665 vcpu_put(vcpu); in kvm_unload_vcpu_mmu()
10671 struct kvm_vcpu *vcpu; in kvm_free_vcpus() local
10676 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_free_vcpus()
10677 kvm_clear_async_pf_completion_queue(vcpu); in kvm_free_vcpus()
10678 kvm_unload_vcpu_mmu(vcpu); in kvm_free_vcpus()
10680 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_free_vcpus()
10681 kvm_vcpu_destroy(vcpu); in kvm_free_vcpus()
10874 struct kvm_vcpu *vcpu; in kvm_arch_memslots_updated() local
10884 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_arch_memslots_updated()
10885 kvm_vcpu_kick(vcpu); in kvm_arch_memslots_updated()
11015 static inline bool kvm_guest_apic_has_interrupt(struct kvm_vcpu *vcpu) in kvm_guest_apic_has_interrupt() argument
11017 return (is_guest_mode(vcpu) && in kvm_guest_apic_has_interrupt()
11019 kvm_x86_ops.guest_apic_has_interrupt(vcpu)); in kvm_guest_apic_has_interrupt()
11022 static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu) in kvm_vcpu_has_events() argument
11024 if (!list_empty_careful(&vcpu->async_pf.done)) in kvm_vcpu_has_events()
11027 if (kvm_apic_has_events(vcpu)) in kvm_vcpu_has_events()
11030 if (vcpu->arch.pv.pv_unhalted) in kvm_vcpu_has_events()
11033 if (vcpu->arch.exception.pending) in kvm_vcpu_has_events()
11036 if (kvm_test_request(KVM_REQ_NMI, vcpu) || in kvm_vcpu_has_events()
11037 (vcpu->arch.nmi_pending && in kvm_vcpu_has_events()
11038 kvm_x86_ops.nmi_allowed(vcpu, false))) in kvm_vcpu_has_events()
11041 if (kvm_test_request(KVM_REQ_SMI, vcpu) || in kvm_vcpu_has_events()
11042 (vcpu->arch.smi_pending && in kvm_vcpu_has_events()
11043 kvm_x86_ops.smi_allowed(vcpu, false))) in kvm_vcpu_has_events()
11046 if (kvm_arch_interrupt_allowed(vcpu) && in kvm_vcpu_has_events()
11047 (kvm_cpu_has_interrupt(vcpu) || in kvm_vcpu_has_events()
11048 kvm_guest_apic_has_interrupt(vcpu))) in kvm_vcpu_has_events()
11051 if (kvm_hv_has_stimer_pending(vcpu)) in kvm_vcpu_has_events()
11054 if (is_guest_mode(vcpu) && in kvm_vcpu_has_events()
11056 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in kvm_vcpu_has_events()
11062 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_runnable() argument
11064 return kvm_vcpu_running(vcpu) || kvm_vcpu_has_events(vcpu); in kvm_arch_vcpu_runnable()
11067 bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu) in kvm_arch_dy_runnable() argument
11069 if (READ_ONCE(vcpu->arch.pv.pv_unhalted)) in kvm_arch_dy_runnable()
11072 if (kvm_test_request(KVM_REQ_NMI, vcpu) || in kvm_arch_dy_runnable()
11073 kvm_test_request(KVM_REQ_SMI, vcpu) || in kvm_arch_dy_runnable()
11074 kvm_test_request(KVM_REQ_EVENT, vcpu)) in kvm_arch_dy_runnable()
11077 if (vcpu->arch.apicv_active && kvm_x86_ops.dy_apicv_has_pending_interrupt(vcpu)) in kvm_arch_dy_runnable()
11083 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_in_kernel() argument
11085 return vcpu->arch.preempted_in_kernel; in kvm_arch_vcpu_in_kernel()
11088 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_should_kick() argument
11090 return kvm_vcpu_exiting_guest_mode(vcpu) == IN_GUEST_MODE; in kvm_arch_vcpu_should_kick()
11093 int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu) in kvm_arch_interrupt_allowed() argument
11095 return kvm_x86_ops.interrupt_allowed(vcpu, false); in kvm_arch_interrupt_allowed()
11098 unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu) in kvm_get_linear_rip() argument
11100 if (is_64_bit_mode(vcpu)) in kvm_get_linear_rip()
11101 return kvm_rip_read(vcpu); in kvm_get_linear_rip()
11102 return (u32)(get_segment_base(vcpu, VCPU_SREG_CS) + in kvm_get_linear_rip()
11103 kvm_rip_read(vcpu)); in kvm_get_linear_rip()
11107 bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip) in kvm_is_linear_rip() argument
11109 return kvm_get_linear_rip(vcpu) == linear_rip; in kvm_is_linear_rip()
11113 unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu) in kvm_get_rflags() argument
11117 rflags = kvm_x86_ops.get_rflags(vcpu); in kvm_get_rflags()
11118 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_get_rflags()
11124 static void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) in __kvm_set_rflags() argument
11126 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP && in __kvm_set_rflags()
11127 kvm_is_linear_rip(vcpu, vcpu->arch.singlestep_rip)) in __kvm_set_rflags()
11129 kvm_x86_ops.set_rflags(vcpu, rflags); in __kvm_set_rflags()
11132 void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) in kvm_set_rflags() argument
11134 __kvm_set_rflags(vcpu, rflags); in kvm_set_rflags()
11135 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_set_rflags()
11139 void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) in kvm_arch_async_page_ready() argument
11143 if ((vcpu->arch.mmu->direct_map != work->arch.direct_map) || in kvm_arch_async_page_ready()
11147 r = kvm_mmu_reload(vcpu); in kvm_arch_async_page_ready()
11151 if (!vcpu->arch.mmu->direct_map && in kvm_arch_async_page_ready()
11152 work->arch.cr3 != vcpu->arch.mmu->get_guest_pgd(vcpu)) in kvm_arch_async_page_ready()
11155 kvm_mmu_do_page_fault(vcpu, work->cr2_or_gpa, 0, true); in kvm_arch_async_page_ready()
11170 static void kvm_add_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_add_async_pf_gfn() argument
11174 while (vcpu->arch.apf.gfns[key] != ~0) in kvm_add_async_pf_gfn()
11177 vcpu->arch.apf.gfns[key] = gfn; in kvm_add_async_pf_gfn()
11180 static u32 kvm_async_pf_gfn_slot(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_async_pf_gfn_slot() argument
11186 (vcpu->arch.apf.gfns[key] != gfn && in kvm_async_pf_gfn_slot()
11187 vcpu->arch.apf.gfns[key] != ~0); i++) in kvm_async_pf_gfn_slot()
11193 bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_find_async_pf_gfn() argument
11195 return vcpu->arch.apf.gfns[kvm_async_pf_gfn_slot(vcpu, gfn)] == gfn; in kvm_find_async_pf_gfn()
11198 static void kvm_del_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_del_async_pf_gfn() argument
11202 i = j = kvm_async_pf_gfn_slot(vcpu, gfn); in kvm_del_async_pf_gfn()
11204 if (WARN_ON_ONCE(vcpu->arch.apf.gfns[i] != gfn)) in kvm_del_async_pf_gfn()
11208 vcpu->arch.apf.gfns[i] = ~0; in kvm_del_async_pf_gfn()
11211 if (vcpu->arch.apf.gfns[j] == ~0) in kvm_del_async_pf_gfn()
11213 k = kvm_async_pf_hash_fn(vcpu->arch.apf.gfns[j]); in kvm_del_async_pf_gfn()
11220 vcpu->arch.apf.gfns[i] = vcpu->arch.apf.gfns[j]; in kvm_del_async_pf_gfn()
11225 static inline int apf_put_user_notpresent(struct kvm_vcpu *vcpu) in apf_put_user_notpresent() argument
11229 return kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, &reason, in apf_put_user_notpresent()
11233 static inline int apf_put_user_ready(struct kvm_vcpu *vcpu, u32 token) in apf_put_user_ready() argument
11237 return kvm_write_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_put_user_ready()
11241 static inline bool apf_pageready_slot_free(struct kvm_vcpu *vcpu) in apf_pageready_slot_free() argument
11246 if (kvm_read_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_pageready_slot_free()
11253 static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu) in kvm_can_deliver_async_pf() argument
11255 if (!vcpu->arch.apf.delivery_as_pf_vmexit && is_guest_mode(vcpu)) in kvm_can_deliver_async_pf()
11258 if (!kvm_pv_async_pf_enabled(vcpu) || in kvm_can_deliver_async_pf()
11259 (vcpu->arch.apf.send_user_only && kvm_x86_ops.get_cpl(vcpu) == 0)) in kvm_can_deliver_async_pf()
11265 bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu) in kvm_can_do_async_pf() argument
11267 if (unlikely(!lapic_in_kernel(vcpu) || in kvm_can_do_async_pf()
11268 kvm_event_needs_reinjection(vcpu) || in kvm_can_do_async_pf()
11269 vcpu->arch.exception.pending)) in kvm_can_do_async_pf()
11272 if (kvm_hlt_in_guest(vcpu->kvm) && !kvm_can_deliver_async_pf(vcpu)) in kvm_can_do_async_pf()
11279 return kvm_arch_interrupt_allowed(vcpu); in kvm_can_do_async_pf()
11282 bool kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, in kvm_arch_async_page_not_present() argument
11288 kvm_add_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_not_present()
11290 if (kvm_can_deliver_async_pf(vcpu) && in kvm_arch_async_page_not_present()
11291 !apf_put_user_notpresent(vcpu)) { in kvm_arch_async_page_not_present()
11298 kvm_inject_page_fault(vcpu, &fault); in kvm_arch_async_page_not_present()
11309 kvm_make_request(KVM_REQ_APF_HALT, vcpu); in kvm_arch_async_page_not_present()
11314 void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, in kvm_arch_async_page_present() argument
11319 .vector = vcpu->arch.apf.vec in kvm_arch_async_page_present()
11325 kvm_del_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_present()
11329 kvm_pv_async_pf_enabled(vcpu) && in kvm_arch_async_page_present()
11330 !apf_put_user_ready(vcpu, work->arch.token)) { in kvm_arch_async_page_present()
11331 vcpu->arch.apf.pageready_pending = true; in kvm_arch_async_page_present()
11332 kvm_apic_set_irq(vcpu, &irq, NULL); in kvm_arch_async_page_present()
11335 vcpu->arch.apf.halted = false; in kvm_arch_async_page_present()
11336 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_async_page_present()
11339 void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) in kvm_arch_async_page_present_queued() argument
11341 kvm_make_request(KVM_REQ_APF_READY, vcpu); in kvm_arch_async_page_present_queued()
11342 if (!vcpu->arch.apf.pageready_pending) in kvm_arch_async_page_present_queued()
11343 kvm_vcpu_kick(vcpu); in kvm_arch_async_page_present_queued()
11346 bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu) in kvm_arch_can_dequeue_async_page_present() argument
11348 if (!kvm_pv_async_pf_enabled(vcpu)) in kvm_arch_can_dequeue_async_page_present()
11351 return kvm_lapic_enabled(vcpu) && apf_pageready_slot_free(vcpu); in kvm_arch_can_dequeue_async_page_present()
11448 bool kvm_arch_no_poll(struct kvm_vcpu *vcpu) in kvm_arch_no_poll() argument
11450 return (vcpu->arch.msr_kvm_poll_control & 1) == 0; in kvm_arch_no_poll()
11481 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
11488 vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, &fault) != UNMAPPED_GVA) { in kvm_fixup_and_inject_pf_error()
11490 * If vcpu->arch.walk_mmu->gva_to_gpa succeeded, the page in kvm_fixup_and_inject_pf_error()
11500 vcpu->arch.walk_mmu->inject_page_fault(vcpu, &fault); in kvm_fixup_and_inject_pf_error()
11509 int kvm_handle_memory_failure(struct kvm_vcpu *vcpu, int r, in kvm_handle_memory_failure() argument
11513 kvm_inject_emulated_page_fault(vcpu, e); in kvm_handle_memory_failure()
11524 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_handle_memory_failure()
11525 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_handle_memory_failure()
11526 vcpu->run->internal.ndata = 0; in kvm_handle_memory_failure()
11532 int kvm_handle_invpcid(struct kvm_vcpu *vcpu, unsigned long type, gva_t gva) in kvm_handle_invpcid() argument
11544 r = kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e); in kvm_handle_invpcid()
11546 return kvm_handle_memory_failure(vcpu, r, &e); in kvm_handle_invpcid()
11549 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11553 pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE); in kvm_handle_invpcid()
11558 is_noncanonical_address(operand.gla, vcpu)) { in kvm_handle_invpcid()
11559 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11562 kvm_mmu_invpcid_gva(vcpu, operand.gla, operand.pcid); in kvm_handle_invpcid()
11563 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()
11567 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11571 if (kvm_get_active_pcid(vcpu) == operand.pcid) { in kvm_handle_invpcid()
11572 kvm_mmu_sync_roots(vcpu); in kvm_handle_invpcid()
11573 kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in kvm_handle_invpcid()
11577 if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].pgd) in kvm_handle_invpcid()
11581 kvm_mmu_free_roots(vcpu, vcpu->arch.mmu, roots_to_free); in kvm_handle_invpcid()
11588 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()
11600 kvm_make_request(KVM_REQ_MMU_RELOAD, vcpu); in kvm_handle_invpcid()
11601 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()