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);
260 static bool kvm_msr_ignored_check(struct kvm_vcpu *vcpu, u32 msr, in kvm_msr_ignored_check() argument
291 static inline void kvm_async_pf_hash_reset(struct kvm_vcpu *vcpu) in kvm_async_pf_hash_reset() argument
295 vcpu->arch.apf.gfns[i] = ~0; in kvm_async_pf_hash_reset()
396 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu) in kvm_get_apic_base() argument
398 return vcpu->arch.apic_base; in kvm_get_apic_base()
402 enum lapic_mode kvm_get_apic_mode(struct kvm_vcpu *vcpu) in kvm_get_apic_mode() argument
404 return kvm_apic_mode(kvm_get_apic_base(vcpu)); in kvm_get_apic_mode()
408 int kvm_set_apic_base(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_set_apic_base() argument
410 enum lapic_mode old_mode = kvm_get_apic_mode(vcpu); in kvm_set_apic_base()
412 u64 reserved_bits = ((~0ULL) << cpuid_maxphyaddr(vcpu)) | 0x2ff | in kvm_set_apic_base()
413 (guest_cpuid_has(vcpu, X86_FEATURE_X2APIC) ? 0 : X2APIC_ENABLE); in kvm_set_apic_base()
424 kvm_lapic_set_base(vcpu, msr_info->data); in kvm_set_apic_base()
425 kvm_recalculate_apic_map(vcpu->kvm); in kvm_set_apic_base()
490 void kvm_deliver_exception_payload(struct kvm_vcpu *vcpu) in kvm_deliver_exception_payload() argument
492 unsigned nr = vcpu->arch.exception.nr; in kvm_deliver_exception_payload()
493 bool has_payload = vcpu->arch.exception.has_payload; in kvm_deliver_exception_payload()
494 unsigned long payload = vcpu->arch.exception.payload; in kvm_deliver_exception_payload()
506 vcpu->arch.dr6 &= ~DR_TRAP_BITS; in kvm_deliver_exception_payload()
510 vcpu->arch.dr6 |= DR6_RTM; in kvm_deliver_exception_payload()
511 vcpu->arch.dr6 |= payload; in kvm_deliver_exception_payload()
520 vcpu->arch.dr6 ^= payload & DR6_RTM; in kvm_deliver_exception_payload()
528 vcpu->arch.dr6 &= ~BIT(12); in kvm_deliver_exception_payload()
531 vcpu->arch.cr2 = payload; in kvm_deliver_exception_payload()
535 vcpu->arch.exception.has_payload = false; in kvm_deliver_exception_payload()
536 vcpu->arch.exception.payload = 0; in kvm_deliver_exception_payload()
540 static void kvm_multiple_exception(struct kvm_vcpu *vcpu, in kvm_multiple_exception() argument
547 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_multiple_exception()
549 if (!vcpu->arch.exception.pending && !vcpu->arch.exception.injected) { in kvm_multiple_exception()
553 * On vmentry, vcpu->arch.exception.pending is only in kvm_multiple_exception()
560 WARN_ON_ONCE(vcpu->arch.exception.pending); in kvm_multiple_exception()
561 vcpu->arch.exception.injected = true; in kvm_multiple_exception()
571 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
572 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
574 vcpu->arch.exception.has_error_code = has_error; in kvm_multiple_exception()
575 vcpu->arch.exception.nr = nr; in kvm_multiple_exception()
576 vcpu->arch.exception.error_code = error_code; in kvm_multiple_exception()
577 vcpu->arch.exception.has_payload = has_payload; in kvm_multiple_exception()
578 vcpu->arch.exception.payload = payload; in kvm_multiple_exception()
579 if (!is_guest_mode(vcpu)) in kvm_multiple_exception()
580 kvm_deliver_exception_payload(vcpu); in kvm_multiple_exception()
585 prev_nr = vcpu->arch.exception.nr; in kvm_multiple_exception()
588 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_multiple_exception()
600 vcpu->arch.exception.pending = true; in kvm_multiple_exception()
601 vcpu->arch.exception.injected = false; in kvm_multiple_exception()
602 vcpu->arch.exception.has_error_code = true; in kvm_multiple_exception()
603 vcpu->arch.exception.nr = DF_VECTOR; in kvm_multiple_exception()
604 vcpu->arch.exception.error_code = 0; in kvm_multiple_exception()
605 vcpu->arch.exception.has_payload = false; in kvm_multiple_exception()
606 vcpu->arch.exception.payload = 0; in kvm_multiple_exception()
614 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr) in kvm_queue_exception() argument
616 kvm_multiple_exception(vcpu, nr, false, 0, false, 0, false); in kvm_queue_exception()
620 void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr) in kvm_requeue_exception() argument
622 kvm_multiple_exception(vcpu, nr, false, 0, false, 0, true); in kvm_requeue_exception()
626 void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr, in kvm_queue_exception_p() argument
629 kvm_multiple_exception(vcpu, nr, false, 0, true, payload, false); in kvm_queue_exception_p()
633 static void kvm_queue_exception_e_p(struct kvm_vcpu *vcpu, unsigned nr, in kvm_queue_exception_e_p() argument
636 kvm_multiple_exception(vcpu, nr, true, error_code, in kvm_queue_exception_e_p()
640 int kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err) in kvm_complete_insn_gp() argument
643 kvm_inject_gp(vcpu, 0); in kvm_complete_insn_gp()
645 return kvm_skip_emulated_instruction(vcpu); in kvm_complete_insn_gp()
651 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault) in kvm_inject_page_fault() argument
653 ++vcpu->stat.pf_guest; in kvm_inject_page_fault()
654 vcpu->arch.exception.nested_apf = in kvm_inject_page_fault()
655 is_guest_mode(vcpu) && fault->async_page_fault; in kvm_inject_page_fault()
656 if (vcpu->arch.exception.nested_apf) { in kvm_inject_page_fault()
657 vcpu->arch.apf.nested_apf_token = fault->address; in kvm_inject_page_fault()
658 kvm_queue_exception_e(vcpu, PF_VECTOR, fault->error_code); in kvm_inject_page_fault()
660 kvm_queue_exception_e_p(vcpu, PF_VECTOR, fault->error_code, in kvm_inject_page_fault()
666 bool kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu, in kvm_inject_emulated_page_fault() argument
672 fault_mmu = fault->nested_page_fault ? vcpu->arch.mmu : in kvm_inject_emulated_page_fault()
673 vcpu->arch.walk_mmu; in kvm_inject_emulated_page_fault()
681 kvm_mmu_invalidate_gva(vcpu, fault_mmu, fault->address, in kvm_inject_emulated_page_fault()
684 fault_mmu->inject_page_fault(vcpu, fault); in kvm_inject_emulated_page_fault()
689 void kvm_inject_nmi(struct kvm_vcpu *vcpu) in kvm_inject_nmi() argument
691 atomic_inc(&vcpu->arch.nmi_queued); in kvm_inject_nmi()
692 kvm_make_request(KVM_REQ_NMI, vcpu); in kvm_inject_nmi()
696 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code) in kvm_queue_exception_e() argument
698 kvm_multiple_exception(vcpu, nr, true, error_code, false, 0, false); in kvm_queue_exception_e()
702 void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code) in kvm_requeue_exception_e() argument
704 kvm_multiple_exception(vcpu, nr, true, error_code, false, 0, true); in kvm_requeue_exception_e()
712 bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl) in kvm_require_cpl() argument
714 if (kvm_x86_ops.get_cpl(vcpu) <= required_cpl) in kvm_require_cpl()
716 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in kvm_require_cpl()
721 bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr) in kvm_require_dr() argument
723 if ((dr != 4 && dr != 5) || !kvm_read_cr4_bits(vcpu, X86_CR4_DE)) in kvm_require_dr()
726 kvm_queue_exception(vcpu, UD_VECTOR); in kvm_require_dr()
736 int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, in kvm_read_guest_page_mmu() argument
745 real_gfn = mmu->translate_gpa(vcpu, ngpa, access, &exception); in kvm_read_guest_page_mmu()
751 return kvm_vcpu_read_guest_page(vcpu, real_gfn, data, offset, len); in kvm_read_guest_page_mmu()
755 static int kvm_read_nested_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, in kvm_read_nested_guest_page() argument
758 return kvm_read_guest_page_mmu(vcpu, vcpu->arch.walk_mmu, gfn, in kvm_read_nested_guest_page()
762 static inline u64 pdptr_rsvd_bits(struct kvm_vcpu *vcpu) in pdptr_rsvd_bits() argument
764 return rsvd_bits(cpuid_maxphyaddr(vcpu), 63) | rsvd_bits(5, 8) | in pdptr_rsvd_bits()
771 int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3) in load_pdptrs() argument
779 ret = kvm_read_guest_page_mmu(vcpu, mmu, pdpt_gfn, pdpte, in load_pdptrs()
788 (pdpte[i] & pdptr_rsvd_bits(vcpu))) { in load_pdptrs()
796 kvm_register_mark_dirty(vcpu, VCPU_EXREG_PDPTR); in load_pdptrs()
804 bool pdptrs_changed(struct kvm_vcpu *vcpu) in pdptrs_changed() argument
806 u64 pdpte[ARRAY_SIZE(vcpu->arch.walk_mmu->pdptrs)]; in pdptrs_changed()
811 if (!is_pae_paging(vcpu)) in pdptrs_changed()
814 if (!kvm_register_is_available(vcpu, VCPU_EXREG_PDPTR)) in pdptrs_changed()
817 gfn = (kvm_read_cr3(vcpu) & 0xffffffe0ul) >> PAGE_SHIFT; in pdptrs_changed()
818 offset = (kvm_read_cr3(vcpu) & 0xffffffe0ul) & (PAGE_SIZE - 1); in pdptrs_changed()
819 r = kvm_read_nested_guest_page(vcpu, gfn, pdpte, offset, sizeof(pdpte), in pdptrs_changed()
824 return memcmp(pdpte, vcpu->arch.walk_mmu->pdptrs, sizeof(pdpte)) != 0; in pdptrs_changed()
828 int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) in kvm_set_cr0() argument
830 unsigned long old_cr0 = kvm_read_cr0(vcpu); in kvm_set_cr0()
850 if ((vcpu->arch.efer & EFER_LME) && !is_paging(vcpu) && in kvm_set_cr0()
854 if (!is_pae(vcpu)) in kvm_set_cr0()
856 kvm_x86_ops.get_cs_db_l_bits(vcpu, &cs_db, &cs_l); in kvm_set_cr0()
861 if (!(vcpu->arch.efer & EFER_LME) && (cr0 & X86_CR0_PG) && in kvm_set_cr0()
862 is_pae(vcpu) && ((cr0 ^ old_cr0) & pdptr_bits) && in kvm_set_cr0()
863 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu))) in kvm_set_cr0()
866 if (!(cr0 & X86_CR0_PG) && kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE)) in kvm_set_cr0()
869 kvm_x86_ops.set_cr0(vcpu, cr0); in kvm_set_cr0()
872 kvm_clear_async_pf_completion_queue(vcpu); in kvm_set_cr0()
873 kvm_async_pf_hash_reset(vcpu); in kvm_set_cr0()
877 kvm_mmu_reset_context(vcpu); in kvm_set_cr0()
880 kvm_arch_has_noncoherent_dma(vcpu->kvm) && in kvm_set_cr0()
881 !kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) in kvm_set_cr0()
882 kvm_zap_gfn_range(vcpu->kvm, 0, ~0ULL); in kvm_set_cr0()
888 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw) in kvm_lmsw() argument
890 (void)kvm_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~0x0eul) | (msw & 0x0f)); in kvm_lmsw()
894 void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu) in kvm_load_guest_xsave_state() argument
896 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) { in kvm_load_guest_xsave_state()
898 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_guest_xsave_state()
899 xsetbv(XCR_XFEATURE_ENABLED_MASK, vcpu->arch.xcr0); in kvm_load_guest_xsave_state()
901 if (vcpu->arch.xsaves_enabled && in kvm_load_guest_xsave_state()
902 vcpu->arch.ia32_xss != host_xss) in kvm_load_guest_xsave_state()
903 wrmsrl(MSR_IA32_XSS, vcpu->arch.ia32_xss); in kvm_load_guest_xsave_state()
907 (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) || in kvm_load_guest_xsave_state()
908 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) && in kvm_load_guest_xsave_state()
909 vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_guest_xsave_state()
910 __write_pkru(vcpu->arch.pkru); in kvm_load_guest_xsave_state()
914 void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu) in kvm_load_host_xsave_state() argument
917 (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) || in kvm_load_host_xsave_state()
918 (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) { in kvm_load_host_xsave_state()
919 vcpu->arch.pkru = rdpkru(); in kvm_load_host_xsave_state()
920 if (vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_host_xsave_state()
921 __write_pkru(vcpu->arch.host_pkru); in kvm_load_host_xsave_state()
924 if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) { in kvm_load_host_xsave_state()
926 if (vcpu->arch.xcr0 != host_xcr0) in kvm_load_host_xsave_state()
929 if (vcpu->arch.xsaves_enabled && in kvm_load_host_xsave_state()
930 vcpu->arch.ia32_xss != host_xss) in kvm_load_host_xsave_state()
937 static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) in __kvm_set_xcr() argument
940 u64 old_xcr0 = vcpu->arch.xcr0; in __kvm_set_xcr()
956 valid_bits = vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FP; in __kvm_set_xcr()
970 vcpu->arch.xcr0 = xcr0; in __kvm_set_xcr()
973 kvm_update_cpuid_runtime(vcpu); in __kvm_set_xcr()
977 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) in kvm_set_xcr() argument
979 if (kvm_x86_ops.get_cpl(vcpu) != 0 || in kvm_set_xcr()
980 __kvm_set_xcr(vcpu, index, xcr)) { in kvm_set_xcr()
981 kvm_inject_gp(vcpu, 0); in kvm_set_xcr()
988 int kvm_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) in kvm_valid_cr4() argument
993 if (cr4 & vcpu->arch.cr4_guest_rsvd_bits) in kvm_valid_cr4()
996 if (!kvm_x86_ops.is_valid_cr4(vcpu, cr4)) in kvm_valid_cr4()
1003 int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) in kvm_set_cr4() argument
1005 unsigned long old_cr4 = kvm_read_cr4(vcpu); in kvm_set_cr4()
1010 if (kvm_valid_cr4(vcpu, cr4)) in kvm_set_cr4()
1013 if (is_long_mode(vcpu)) { in kvm_set_cr4()
1018 } else if (is_paging(vcpu) && (cr4 & X86_CR4_PAE) in kvm_set_cr4()
1020 && !load_pdptrs(vcpu, vcpu->arch.walk_mmu, in kvm_set_cr4()
1021 kvm_read_cr3(vcpu))) in kvm_set_cr4()
1025 if (!guest_cpuid_has(vcpu, X86_FEATURE_PCID)) in kvm_set_cr4()
1029 if ((kvm_read_cr3(vcpu) & X86_CR3_PCID_MASK) || !is_long_mode(vcpu)) in kvm_set_cr4()
1033 kvm_x86_ops.set_cr4(vcpu, cr4); in kvm_set_cr4()
1037 kvm_mmu_reset_context(vcpu); in kvm_set_cr4()
1040 kvm_update_cpuid_runtime(vcpu); in kvm_set_cr4()
1046 int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) in kvm_set_cr3() argument
1050 bool pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE); in kvm_set_cr3()
1058 if (cr3 == kvm_read_cr3(vcpu) && !pdptrs_changed(vcpu)) { in kvm_set_cr3()
1060 kvm_mmu_sync_roots(vcpu); in kvm_set_cr3()
1061 kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in kvm_set_cr3()
1066 if (is_long_mode(vcpu) && in kvm_set_cr3()
1067 (cr3 & vcpu->arch.cr3_lm_rsvd_bits)) in kvm_set_cr3()
1069 else if (is_pae_paging(vcpu) && in kvm_set_cr3()
1070 !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3)) in kvm_set_cr3()
1073 kvm_mmu_new_pgd(vcpu, cr3, skip_tlb_flush, skip_tlb_flush); in kvm_set_cr3()
1074 vcpu->arch.cr3 = cr3; in kvm_set_cr3()
1075 kvm_register_mark_available(vcpu, VCPU_EXREG_CR3); in kvm_set_cr3()
1081 int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8) in kvm_set_cr8() argument
1085 if (lapic_in_kernel(vcpu)) in kvm_set_cr8()
1086 kvm_lapic_set_tpr(vcpu, cr8); in kvm_set_cr8()
1088 vcpu->arch.cr8 = cr8; in kvm_set_cr8()
1093 unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu) in kvm_get_cr8() argument
1095 if (lapic_in_kernel(vcpu)) in kvm_get_cr8()
1096 return kvm_lapic_get_cr8(vcpu); in kvm_get_cr8()
1098 return vcpu->arch.cr8; in kvm_get_cr8()
1102 static void kvm_update_dr0123(struct kvm_vcpu *vcpu) in kvm_update_dr0123() argument
1106 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) { in kvm_update_dr0123()
1108 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_update_dr0123()
1109 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD; in kvm_update_dr0123()
1113 void kvm_update_dr7(struct kvm_vcpu *vcpu) in kvm_update_dr7() argument
1117 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) in kvm_update_dr7()
1118 dr7 = vcpu->arch.guest_debug_dr7; in kvm_update_dr7()
1120 dr7 = vcpu->arch.dr7; in kvm_update_dr7()
1121 kvm_x86_ops.set_dr7(vcpu, dr7); in kvm_update_dr7()
1122 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1124 vcpu->arch.switch_db_regs |= KVM_DEBUGREG_BP_ENABLED; in kvm_update_dr7()
1128 static u64 kvm_dr6_fixed(struct kvm_vcpu *vcpu) in kvm_dr6_fixed() argument
1132 if (!guest_cpuid_has(vcpu, X86_FEATURE_RTM)) in kvm_dr6_fixed()
1137 static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) in __kvm_set_dr() argument
1139 size_t size = ARRAY_SIZE(vcpu->arch.db); in __kvm_set_dr()
1143 vcpu->arch.db[array_index_nospec(dr, size)] = val; in __kvm_set_dr()
1144 if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) in __kvm_set_dr()
1145 vcpu->arch.eff_db[dr] = val; in __kvm_set_dr()
1151 vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu); in __kvm_set_dr()
1157 vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1; in __kvm_set_dr()
1158 kvm_update_dr7(vcpu); in __kvm_set_dr()
1165 int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val) in kvm_set_dr() argument
1167 if (__kvm_set_dr(vcpu, dr, val)) { in kvm_set_dr()
1168 kvm_inject_gp(vcpu, 0); in kvm_set_dr()
1175 int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val) in kvm_get_dr() argument
1177 size_t size = ARRAY_SIZE(vcpu->arch.db); in kvm_get_dr()
1181 *val = vcpu->arch.db[array_index_nospec(dr, size)]; in kvm_get_dr()
1185 *val = vcpu->arch.dr6; in kvm_get_dr()
1189 *val = vcpu->arch.dr7; in kvm_get_dr()
1196 bool kvm_rdpmc(struct kvm_vcpu *vcpu) in kvm_rdpmc() argument
1198 u32 ecx = kvm_rcx_read(vcpu); in kvm_rdpmc()
1202 err = kvm_pmu_rdpmc(vcpu, ecx, &data); in kvm_rdpmc()
1205 kvm_rax_write(vcpu, (u32)data); in kvm_rdpmc()
1206 kvm_rdx_write(vcpu, data >> 32); in kvm_rdpmc()
1465 static int do_get_msr_feature(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_get_msr_feature() argument
1476 if (kvm_msr_ignored_check(vcpu, index, 0, false)) in do_get_msr_feature()
1488 static bool __kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer) in __kvm_valid_efer() argument
1490 if (efer & EFER_FFXSR && !guest_cpuid_has(vcpu, X86_FEATURE_FXSR_OPT)) in __kvm_valid_efer()
1493 if (efer & EFER_SVME && !guest_cpuid_has(vcpu, X86_FEATURE_SVM)) in __kvm_valid_efer()
1497 !guest_cpuid_has(vcpu, X86_FEATURE_LM)) in __kvm_valid_efer()
1500 if (efer & EFER_NX && !guest_cpuid_has(vcpu, X86_FEATURE_NX)) in __kvm_valid_efer()
1506 bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer) in kvm_valid_efer() argument
1511 return __kvm_valid_efer(vcpu, efer); in kvm_valid_efer()
1515 static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in set_efer() argument
1517 u64 old_efer = vcpu->arch.efer; in set_efer()
1525 if (!__kvm_valid_efer(vcpu, efer)) in set_efer()
1528 if (is_paging(vcpu) && in set_efer()
1529 (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) in set_efer()
1534 efer |= vcpu->arch.efer & EFER_LMA; in set_efer()
1536 r = kvm_x86_ops.set_efer(vcpu, efer); in set_efer()
1544 kvm_mmu_reset_context(vcpu); in set_efer()
1555 bool kvm_msr_allowed(struct kvm_vcpu *vcpu, u32 index, u32 type) in kvm_msr_allowed() argument
1559 struct kvm *kvm = vcpu->kvm; in kvm_msr_allowed()
1604 static int __kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data, in __kvm_set_msr() argument
1609 if (!host_initiated && !kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_WRITE)) in __kvm_set_msr()
1618 if (is_noncanonical_address(data, vcpu)) in __kvm_set_msr()
1635 data = get_canonical(data, vcpu_virt_addr_bits(vcpu)); in __kvm_set_msr()
1642 return kvm_x86_ops.set_msr(vcpu, &msr); in __kvm_set_msr()
1645 static int kvm_set_msr_ignored_check(struct kvm_vcpu *vcpu, in kvm_set_msr_ignored_check() argument
1648 int ret = __kvm_set_msr(vcpu, index, data, host_initiated); in kvm_set_msr_ignored_check()
1651 if (kvm_msr_ignored_check(vcpu, index, data, true)) in kvm_set_msr_ignored_check()
1663 int __kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data, in __kvm_get_msr() argument
1669 if (!host_initiated && !kvm_msr_allowed(vcpu, index, KVM_MSR_FILTER_READ)) in __kvm_get_msr()
1675 ret = kvm_x86_ops.get_msr(vcpu, &msr); in __kvm_get_msr()
1681 static int kvm_get_msr_ignored_check(struct kvm_vcpu *vcpu, in kvm_get_msr_ignored_check() argument
1684 int ret = __kvm_get_msr(vcpu, index, data, host_initiated); in kvm_get_msr_ignored_check()
1689 if (kvm_msr_ignored_check(vcpu, index, 0, false)) in kvm_get_msr_ignored_check()
1696 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data) in kvm_get_msr() argument
1698 return kvm_get_msr_ignored_check(vcpu, index, data, false); in kvm_get_msr()
1702 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data) in kvm_set_msr() argument
1704 return kvm_set_msr_ignored_check(vcpu, index, data, false); in kvm_set_msr()
1708 static int complete_emulated_msr(struct kvm_vcpu *vcpu, bool is_read) in complete_emulated_msr() argument
1710 if (vcpu->run->msr.error) { in complete_emulated_msr()
1711 kvm_inject_gp(vcpu, 0); in complete_emulated_msr()
1714 kvm_rax_write(vcpu, (u32)vcpu->run->msr.data); in complete_emulated_msr()
1715 kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); in complete_emulated_msr()
1718 return kvm_skip_emulated_instruction(vcpu); in complete_emulated_msr()
1721 static int complete_emulated_rdmsr(struct kvm_vcpu *vcpu) in complete_emulated_rdmsr() argument
1723 return complete_emulated_msr(vcpu, true); in complete_emulated_rdmsr()
1726 static int complete_emulated_wrmsr(struct kvm_vcpu *vcpu) in complete_emulated_wrmsr() argument
1728 return complete_emulated_msr(vcpu, false); in complete_emulated_wrmsr()
1743 static int kvm_msr_user_space(struct kvm_vcpu *vcpu, u32 index, in kvm_msr_user_space() argument
1745 int (*completion)(struct kvm_vcpu *vcpu), in kvm_msr_user_space() argument
1751 if (!(vcpu->kvm->arch.user_space_msr_mask & msr_reason)) in kvm_msr_user_space()
1754 vcpu->run->exit_reason = exit_reason; in kvm_msr_user_space()
1755 vcpu->run->msr.error = 0; in kvm_msr_user_space()
1756 memset(vcpu->run->msr.pad, 0, sizeof(vcpu->run->msr.pad)); in kvm_msr_user_space()
1757 vcpu->run->msr.reason = msr_reason; in kvm_msr_user_space()
1758 vcpu->run->msr.index = index; in kvm_msr_user_space()
1759 vcpu->run->msr.data = data; in kvm_msr_user_space()
1760 vcpu->arch.complete_userspace_io = completion; in kvm_msr_user_space()
1765 static int kvm_get_msr_user_space(struct kvm_vcpu *vcpu, u32 index, int r) in kvm_get_msr_user_space() argument
1767 return kvm_msr_user_space(vcpu, index, KVM_EXIT_X86_RDMSR, 0, in kvm_get_msr_user_space()
1771 static int kvm_set_msr_user_space(struct kvm_vcpu *vcpu, u32 index, u64 data, int r) in kvm_set_msr_user_space() argument
1773 return kvm_msr_user_space(vcpu, index, KVM_EXIT_X86_WRMSR, data, in kvm_set_msr_user_space()
1777 int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu) in kvm_emulate_rdmsr() argument
1779 u32 ecx = kvm_rcx_read(vcpu); in kvm_emulate_rdmsr()
1783 r = kvm_get_msr(vcpu, ecx, &data); in kvm_emulate_rdmsr()
1786 if (r && kvm_get_msr_user_space(vcpu, ecx, r)) { in kvm_emulate_rdmsr()
1794 kvm_inject_gp(vcpu, 0); in kvm_emulate_rdmsr()
1800 kvm_rax_write(vcpu, data & -1u); in kvm_emulate_rdmsr()
1801 kvm_rdx_write(vcpu, (data >> 32) & -1u); in kvm_emulate_rdmsr()
1802 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_rdmsr()
1806 int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu) in kvm_emulate_wrmsr() argument
1808 u32 ecx = kvm_rcx_read(vcpu); in kvm_emulate_wrmsr()
1809 u64 data = kvm_read_edx_eax(vcpu); in kvm_emulate_wrmsr()
1812 r = kvm_set_msr(vcpu, ecx, data); in kvm_emulate_wrmsr()
1815 if (r && kvm_set_msr_user_space(vcpu, ecx, data, r)) in kvm_emulate_wrmsr()
1826 kvm_inject_gp(vcpu, 0); in kvm_emulate_wrmsr()
1831 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_wrmsr()
1835 bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu) in kvm_vcpu_exit_request() argument
1837 return vcpu->mode == EXITING_GUEST_MODE || kvm_request_pending(vcpu) || in kvm_vcpu_exit_request()
1849 static int handle_fastpath_set_x2apic_icr_irqoff(struct kvm_vcpu *vcpu, u64 data) in handle_fastpath_set_x2apic_icr_irqoff() argument
1851 if (!lapic_in_kernel(vcpu) || !apic_x2apic_mode(vcpu->arch.apic)) in handle_fastpath_set_x2apic_icr_irqoff()
1860 kvm_apic_send_ipi(vcpu->arch.apic, (u32)data, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1861 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR2, (u32)(data >> 32)); in handle_fastpath_set_x2apic_icr_irqoff()
1862 kvm_lapic_set_reg(vcpu->arch.apic, APIC_ICR, (u32)data); in handle_fastpath_set_x2apic_icr_irqoff()
1870 static int handle_fastpath_set_tscdeadline(struct kvm_vcpu *vcpu, u64 data) in handle_fastpath_set_tscdeadline() argument
1872 if (!kvm_can_use_hv_timer(vcpu)) in handle_fastpath_set_tscdeadline()
1875 kvm_set_lapic_tscdeadline_msr(vcpu, data); in handle_fastpath_set_tscdeadline()
1879 fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu) in handle_fastpath_set_msr_irqoff() argument
1881 u32 msr = kvm_rcx_read(vcpu); in handle_fastpath_set_msr_irqoff()
1887 data = kvm_read_edx_eax(vcpu); in handle_fastpath_set_msr_irqoff()
1888 if (!handle_fastpath_set_x2apic_icr_irqoff(vcpu, data)) { in handle_fastpath_set_msr_irqoff()
1889 kvm_skip_emulated_instruction(vcpu); in handle_fastpath_set_msr_irqoff()
1894 data = kvm_read_edx_eax(vcpu); in handle_fastpath_set_msr_irqoff()
1895 if (!handle_fastpath_set_tscdeadline(vcpu, data)) { in handle_fastpath_set_msr_irqoff()
1896 kvm_skip_emulated_instruction(vcpu); in handle_fastpath_set_msr_irqoff()
1914 static int do_get_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_get_msr() argument
1916 return kvm_get_msr_ignored_check(vcpu, index, data, true); in do_get_msr()
1919 static int do_set_msr(struct kvm_vcpu *vcpu, unsigned index, u64 *data) in do_set_msr() argument
1921 return kvm_set_msr_ignored_check(vcpu, index, *data, true); in do_set_msr()
2031 static void kvm_write_system_time(struct kvm_vcpu *vcpu, gpa_t system_time, in kvm_write_system_time() argument
2034 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_write_system_time()
2036 if (vcpu->vcpu_id == 0 && !host_initiated) { in kvm_write_system_time()
2038 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_write_system_time()
2043 vcpu->arch.time = system_time; in kvm_write_system_time()
2044 kvm_make_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu); in kvm_write_system_time()
2047 vcpu->arch.pv_time_enabled = false; in kvm_write_system_time()
2051 if (!kvm_gfn_to_hva_cache_init(vcpu->kvm, in kvm_write_system_time()
2052 &vcpu->arch.pv_time, system_time & ~1ULL, in kvm_write_system_time()
2054 vcpu->arch.pv_time_enabled = true; in kvm_write_system_time()
2107 static int set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale) in set_tsc_khz() argument
2113 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in set_tsc_khz()
2120 vcpu->arch.tsc_catchup = 1; in set_tsc_khz()
2121 vcpu->arch.tsc_always_catchup = 1; in set_tsc_khz()
2139 vcpu->arch.tsc_scaling_ratio = ratio; in set_tsc_khz()
2143 static int kvm_set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz) in kvm_set_tsc_khz() argument
2151 vcpu->arch.tsc_scaling_ratio = kvm_default_tsc_scaling_ratio; in kvm_set_tsc_khz()
2157 &vcpu->arch.virtual_tsc_shift, in kvm_set_tsc_khz()
2158 &vcpu->arch.virtual_tsc_mult); in kvm_set_tsc_khz()
2159 vcpu->arch.virtual_tsc_khz = user_tsc_khz; in kvm_set_tsc_khz()
2173 return set_tsc_khz(vcpu, user_tsc_khz, use_scaling); in kvm_set_tsc_khz()
2176 static u64 compute_guest_tsc(struct kvm_vcpu *vcpu, s64 kernel_ns) in compute_guest_tsc() argument
2178 u64 tsc = pvclock_scale_delta(kernel_ns-vcpu->arch.this_tsc_nsec, in compute_guest_tsc()
2179 vcpu->arch.virtual_tsc_mult, in compute_guest_tsc()
2180 vcpu->arch.virtual_tsc_shift); in compute_guest_tsc()
2181 tsc += vcpu->arch.this_tsc_write; in compute_guest_tsc()
2190 static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu) in kvm_track_tsc_matching() argument
2194 struct kvm_arch *ka = &vcpu->kvm->arch; in kvm_track_tsc_matching()
2198 atomic_read(&vcpu->kvm->online_vcpus)); in kvm_track_tsc_matching()
2210 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_track_tsc_matching()
2212 trace_kvm_track_tsc(vcpu->vcpu_id, ka->nr_vcpus_matched_tsc, in kvm_track_tsc_matching()
2213 atomic_read(&vcpu->kvm->online_vcpus), in kvm_track_tsc_matching()
2233 u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc) in kvm_scale_tsc() argument
2236 u64 ratio = vcpu->arch.tsc_scaling_ratio; in kvm_scale_tsc()
2245 static u64 kvm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) in kvm_compute_tsc_offset() argument
2249 tsc = kvm_scale_tsc(vcpu, rdtsc()); in kvm_compute_tsc_offset()
2254 u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc) in kvm_read_l1_tsc() argument
2256 return vcpu->arch.l1_tsc_offset + kvm_scale_tsc(vcpu, host_tsc); in kvm_read_l1_tsc()
2260 static void kvm_vcpu_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) in kvm_vcpu_write_tsc_offset() argument
2262 vcpu->arch.l1_tsc_offset = offset; in kvm_vcpu_write_tsc_offset()
2263 vcpu->arch.tsc_offset = kvm_x86_ops.write_l1_tsc_offset(vcpu, offset); in kvm_vcpu_write_tsc_offset()
2279 static void kvm_synchronize_tsc(struct kvm_vcpu *vcpu, u64 data) in kvm_synchronize_tsc() argument
2281 struct kvm *kvm = vcpu->kvm; in kvm_synchronize_tsc()
2289 offset = kvm_compute_tsc_offset(vcpu, data); in kvm_synchronize_tsc()
2293 if (vcpu->arch.virtual_tsc_khz) { in kvm_synchronize_tsc()
2296 * detection of vcpu initialization -- need to sync in kvm_synchronize_tsc()
2303 nsec_to_cycles(vcpu, elapsed); in kvm_synchronize_tsc()
2304 u64 tsc_hz = vcpu->arch.virtual_tsc_khz * 1000LL; in kvm_synchronize_tsc()
2322 vcpu->arch.virtual_tsc_khz == kvm->arch.last_tsc_khz) { in kvm_synchronize_tsc()
2326 u64 delta = nsec_to_cycles(vcpu, elapsed); in kvm_synchronize_tsc()
2328 offset = kvm_compute_tsc_offset(vcpu, data); in kvm_synchronize_tsc()
2331 already_matched = (vcpu->arch.this_tsc_generation == kvm->arch.cur_tsc_generation); in kvm_synchronize_tsc()
2355 kvm->arch.last_tsc_khz = vcpu->arch.virtual_tsc_khz; in kvm_synchronize_tsc()
2357 vcpu->arch.last_guest_tsc = data; in kvm_synchronize_tsc()
2359 /* Keep track of which generation this VCPU has synchronized to */ in kvm_synchronize_tsc()
2360 vcpu->arch.this_tsc_generation = kvm->arch.cur_tsc_generation; in kvm_synchronize_tsc()
2361 vcpu->arch.this_tsc_nsec = kvm->arch.cur_tsc_nsec; in kvm_synchronize_tsc()
2362 vcpu->arch.this_tsc_write = kvm->arch.cur_tsc_write; in kvm_synchronize_tsc()
2364 kvm_vcpu_write_tsc_offset(vcpu, offset); in kvm_synchronize_tsc()
2374 kvm_track_tsc_matching(vcpu); in kvm_synchronize_tsc()
2378 static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, in adjust_tsc_offset_guest() argument
2381 u64 tsc_offset = vcpu->arch.l1_tsc_offset; in adjust_tsc_offset_guest()
2382 kvm_vcpu_write_tsc_offset(vcpu, tsc_offset + adjustment); in adjust_tsc_offset_guest()
2385 static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) in adjust_tsc_offset_host() argument
2387 if (vcpu->arch.tsc_scaling_ratio != kvm_default_tsc_scaling_ratio) in adjust_tsc_offset_host()
2389 adjustment = kvm_scale_tsc(vcpu, (u64) adjustment); in adjust_tsc_offset_host()
2390 adjust_tsc_offset_guest(vcpu, adjustment); in adjust_tsc_offset_host()
2595 struct kvm_vcpu *vcpu; in kvm_gen_update_masterclock() local
2603 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_gen_update_masterclock()
2604 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_gen_update_masterclock()
2607 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_gen_update_masterclock()
2608 kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu); in kvm_gen_update_masterclock()
2648 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_setup_pvclock_page() local
2651 if (unlikely(kvm_read_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2655 /* This VCPU is paused, but it's legal for a guest to read another in kvm_setup_pvclock_page()
2656 * VCPU's kvmclock, so we really have to follow the specification where in kvm_setup_pvclock_page()
2666 * and third write. The vcpu->pv_time cache is still valid, because the in kvm_setup_pvclock_page()
2674 vcpu->hv_clock.version = guest_hv_clock.version + 1; in kvm_setup_pvclock_page()
2675 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2676 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2677 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2682 vcpu->hv_clock.flags |= (guest_hv_clock.flags & PVCLOCK_GUEST_STOPPED); in kvm_setup_pvclock_page()
2684 if (vcpu->pvclock_set_guest_stopped_request) { in kvm_setup_pvclock_page()
2685 vcpu->hv_clock.flags |= PVCLOCK_GUEST_STOPPED; in kvm_setup_pvclock_page()
2686 vcpu->pvclock_set_guest_stopped_request = false; in kvm_setup_pvclock_page()
2689 trace_kvm_pvclock_update(v->vcpu_id, &vcpu->hv_clock); in kvm_setup_pvclock_page()
2691 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2692 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2693 sizeof(vcpu->hv_clock)); in kvm_setup_pvclock_page()
2697 vcpu->hv_clock.version++; in kvm_setup_pvclock_page()
2698 kvm_write_guest_cached(v->kvm, &vcpu->pv_time, in kvm_setup_pvclock_page()
2699 &vcpu->hv_clock, in kvm_setup_pvclock_page()
2700 sizeof(vcpu->hv_clock.version)); in kvm_setup_pvclock_page()
2706 struct kvm_vcpu_arch *vcpu = &v->arch; in kvm_guest_time_update() local
2747 * 2) Broken TSC compensation resets the base at each VCPU in kvm_guest_time_update()
2753 if (vcpu->tsc_catchup) { in kvm_guest_time_update()
2768 if (unlikely(vcpu->hw_tsc_khz != tgt_tsc_khz)) { in kvm_guest_time_update()
2770 &vcpu->hv_clock.tsc_shift, in kvm_guest_time_update()
2771 &vcpu->hv_clock.tsc_to_system_mul); in kvm_guest_time_update()
2772 vcpu->hw_tsc_khz = tgt_tsc_khz; in kvm_guest_time_update()
2775 vcpu->hv_clock.tsc_timestamp = tsc_timestamp; in kvm_guest_time_update()
2776 vcpu->hv_clock.system_time = kernel_ns + v->kvm->arch.kvmclock_offset; in kvm_guest_time_update()
2777 vcpu->last_guest_tsc = tsc_timestamp; in kvm_guest_time_update()
2784 vcpu->hv_clock.flags = pvclock_flags; in kvm_guest_time_update()
2786 if (vcpu->pv_time_enabled) in kvm_guest_time_update()
2789 kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock); in kvm_guest_time_update()
2794 * kvmclock updates which are isolated to a given vcpu, such as
2795 * vcpu->cpu migration, should not allow system_timestamp from
2797 * correction applies to one vcpu's system_timestamp but not
2803 * The time for a remote vcpu to update its kvmclock is bound
2816 struct kvm_vcpu *vcpu; in kvmclock_update_fn() local
2818 kvm_for_each_vcpu(i, vcpu, kvm) { in kvmclock_update_fn()
2819 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvmclock_update_fn()
2820 kvm_vcpu_kick(vcpu); in kvmclock_update_fn()
2853 static bool can_set_mci_status(struct kvm_vcpu *vcpu) in can_set_mci_status() argument
2856 if (guest_cpuid_is_amd_or_hygon(vcpu)) in can_set_mci_status()
2857 return !!(vcpu->arch.msr_hwcr & BIT_ULL(18)); in can_set_mci_status()
2862 static int set_msr_mce(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in set_msr_mce() argument
2864 u64 mcg_cap = vcpu->arch.mcg_cap; in set_msr_mce()
2871 vcpu->arch.mcg_status = data; in set_msr_mce()
2879 vcpu->arch.mcg_ctl = data; in set_msr_mce()
2903 if (!can_set_mci_status(vcpu)) in set_msr_mce()
2907 vcpu->arch.mce_banks[offset] = data; in set_msr_mce()
2915 static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data) in xen_hvm_config() argument
2917 struct kvm *kvm = vcpu->kvm; in xen_hvm_config()
2918 int lm = is_long_mode(vcpu); in xen_hvm_config()
2934 if (kvm_vcpu_write_guest(vcpu, page_addr, page, PAGE_SIZE)) { in xen_hvm_config()
2941 static inline bool kvm_pv_async_pf_enabled(struct kvm_vcpu *vcpu) in kvm_pv_async_pf_enabled() argument
2945 return (vcpu->arch.apf.msr_en_val & mask) == mask; in kvm_pv_async_pf_enabled()
2948 static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data) in kvm_pv_enable_async_pf() argument
2956 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_VMEXIT) && in kvm_pv_enable_async_pf()
2960 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT) && in kvm_pv_enable_async_pf()
2964 if (!lapic_in_kernel(vcpu)) in kvm_pv_enable_async_pf()
2967 vcpu->arch.apf.msr_en_val = data; in kvm_pv_enable_async_pf()
2969 if (!kvm_pv_async_pf_enabled(vcpu)) { in kvm_pv_enable_async_pf()
2970 kvm_clear_async_pf_completion_queue(vcpu); in kvm_pv_enable_async_pf()
2971 kvm_async_pf_hash_reset(vcpu); in kvm_pv_enable_async_pf()
2975 if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa, in kvm_pv_enable_async_pf()
2979 vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS); in kvm_pv_enable_async_pf()
2980 vcpu->arch.apf.delivery_as_pf_vmexit = data & KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT; in kvm_pv_enable_async_pf()
2982 kvm_async_pf_wakeup_all(vcpu); in kvm_pv_enable_async_pf()
2987 static int kvm_pv_enable_async_pf_int(struct kvm_vcpu *vcpu, u64 data) in kvm_pv_enable_async_pf_int() argument
2993 if (!lapic_in_kernel(vcpu)) in kvm_pv_enable_async_pf_int()
2996 vcpu->arch.apf.msr_int_val = data; in kvm_pv_enable_async_pf_int()
2998 vcpu->arch.apf.vec = data & KVM_ASYNC_PF_VEC_MASK; in kvm_pv_enable_async_pf_int()
3003 static void kvmclock_reset(struct kvm_vcpu *vcpu) in kvmclock_reset() argument
3005 vcpu->arch.pv_time_enabled = false; in kvmclock_reset()
3006 vcpu->arch.time = 0; in kvmclock_reset()
3009 static void kvm_vcpu_flush_tlb_all(struct kvm_vcpu *vcpu) in kvm_vcpu_flush_tlb_all() argument
3011 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_all()
3012 kvm_x86_ops.tlb_flush_all(vcpu); in kvm_vcpu_flush_tlb_all()
3015 static void kvm_vcpu_flush_tlb_guest(struct kvm_vcpu *vcpu) in kvm_vcpu_flush_tlb_guest() argument
3017 ++vcpu->stat.tlb_flush; in kvm_vcpu_flush_tlb_guest()
3018 kvm_x86_ops.tlb_flush_guest(vcpu); in kvm_vcpu_flush_tlb_guest()
3021 static void record_steal_time(struct kvm_vcpu *vcpu) in record_steal_time() argument
3026 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in record_steal_time()
3030 if (kvm_map_gfn(vcpu, vcpu->arch.st.msr_val >> PAGE_SHIFT, in record_steal_time()
3031 &map, &vcpu->arch.st.cache, false)) in record_steal_time()
3035 offset_in_page(vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS); in record_steal_time()
3041 if (guest_pv_has(vcpu, KVM_FEATURE_PV_TLB_FLUSH)) { in record_steal_time()
3042 trace_kvm_pv_tlb_flush(vcpu->vcpu_id, in record_steal_time()
3045 kvm_vcpu_flush_tlb_guest(vcpu); in record_steal_time()
3050 vcpu->arch.st.preempted = 0; in record_steal_time()
3060 vcpu->arch.st.last_steal; in record_steal_time()
3061 vcpu->arch.st.last_steal = current->sched_info.run_delay; in record_steal_time()
3067 kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, false); in record_steal_time()
3070 int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_set_msr_common() argument
3088 vcpu->arch.microcode_version = data; in kvm_set_msr_common()
3093 vcpu->arch.arch_capabilities = data; in kvm_set_msr_common()
3105 vcpu->arch.perf_capabilities = data; in kvm_set_msr_common()
3110 return set_efer(vcpu, msr_info); in kvm_set_msr_common()
3118 vcpu->arch.msr_hwcr = data; in kvm_set_msr_common()
3120 vcpu_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n", in kvm_set_msr_common()
3127 vcpu_unimpl(vcpu, "unimplemented MMIO_CONF_BASE wrmsr: " in kvm_set_msr_common()
3141 vcpu_unimpl(vcpu, "%s: MSR_IA32_DEBUGCTLMSR 0x%llx, nop\n", in kvm_set_msr_common()
3145 return kvm_mtrr_set_msr(vcpu, msr, data); in kvm_set_msr_common()
3147 return kvm_set_apic_base(vcpu, msr_info); in kvm_set_msr_common()
3149 return kvm_x2apic_msr_write(vcpu, msr, data); in kvm_set_msr_common()
3151 kvm_set_lapic_tscdeadline_msr(vcpu, data); in kvm_set_msr_common()
3154 if (guest_cpuid_has(vcpu, X86_FEATURE_TSC_ADJUST)) { in kvm_set_msr_common()
3156 s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr; in kvm_set_msr_common()
3157 adjust_tsc_offset_guest(vcpu, adj); in kvm_set_msr_common()
3161 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_set_msr_common()
3163 vcpu->arch.ia32_tsc_adjust_msr = data; in kvm_set_msr_common()
3167 if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT) && in kvm_set_msr_common()
3168 ((vcpu->arch.ia32_misc_enable_msr ^ data) & MSR_IA32_MISC_ENABLE_MWAIT)) { in kvm_set_msr_common()
3169 if (!guest_cpuid_has(vcpu, X86_FEATURE_XMM3)) in kvm_set_msr_common()
3171 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3172 kvm_update_cpuid_runtime(vcpu); in kvm_set_msr_common()
3174 vcpu->arch.ia32_misc_enable_msr = data; in kvm_set_msr_common()
3180 vcpu->arch.smbase = data; in kvm_set_msr_common()
3183 vcpu->arch.msr_ia32_power_ctl = data; in kvm_set_msr_common()
3187 kvm_synchronize_tsc(vcpu, data); in kvm_set_msr_common()
3189 u64 adj = kvm_compute_tsc_offset(vcpu, data) - vcpu->arch.l1_tsc_offset; in kvm_set_msr_common()
3190 adjust_tsc_offset_guest(vcpu, adj); in kvm_set_msr_common()
3191 vcpu->arch.ia32_tsc_adjust_msr += adj; in kvm_set_msr_common()
3196 !guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)) in kvm_set_msr_common()
3205 vcpu->arch.ia32_xss = data; in kvm_set_msr_common()
3206 kvm_update_cpuid_runtime(vcpu); in kvm_set_msr_common()
3211 vcpu->arch.smi_count = data; in kvm_set_msr_common()
3214 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_set_msr_common()
3217 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3220 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_set_msr_common()
3223 kvm_write_wall_clock(vcpu->kvm, data); in kvm_set_msr_common()
3226 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_set_msr_common()
3229 kvm_write_system_time(vcpu, data, false, msr_info->host_initiated); in kvm_set_msr_common()
3232 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_set_msr_common()
3235 kvm_write_system_time(vcpu, data, true, msr_info->host_initiated); in kvm_set_msr_common()
3238 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) in kvm_set_msr_common()
3241 if (kvm_pv_enable_async_pf(vcpu, data)) in kvm_set_msr_common()
3245 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_set_msr_common()
3248 if (kvm_pv_enable_async_pf_int(vcpu, data)) in kvm_set_msr_common()
3252 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_set_msr_common()
3255 vcpu->arch.apf.pageready_pending = false; in kvm_set_msr_common()
3256 kvm_check_async_pf_completion(vcpu); in kvm_set_msr_common()
3260 if (!guest_pv_has(vcpu, KVM_FEATURE_STEAL_TIME)) in kvm_set_msr_common()
3269 vcpu->arch.st.msr_val = data; in kvm_set_msr_common()
3274 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_set_msr_common()
3278 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_EOI)) in kvm_set_msr_common()
3281 if (kvm_lapic_enable_pv_eoi(vcpu, data, sizeof(u8))) in kvm_set_msr_common()
3286 if (!guest_pv_has(vcpu, KVM_FEATURE_POLL_CONTROL)) in kvm_set_msr_common()
3293 vcpu->arch.msr_kvm_poll_control = data; in kvm_set_msr_common()
3299 return set_msr_mce(vcpu, msr_info); in kvm_set_msr_common()
3307 if (kvm_pmu_is_valid_msr(vcpu, msr)) in kvm_set_msr_common()
3308 return kvm_pmu_set_msr(vcpu, msr_info); in kvm_set_msr_common()
3311 vcpu_unimpl(vcpu, "disabled perfctr wrmsr: " in kvm_set_msr_common()
3333 return kvm_hv_set_msr_common(vcpu, msr, data, in kvm_set_msr_common()
3340 vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", in kvm_set_msr_common()
3344 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_set_msr_common()
3346 vcpu->arch.osvw.length = data; in kvm_set_msr_common()
3349 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_set_msr_common()
3351 vcpu->arch.osvw.status = data; in kvm_set_msr_common()
3356 cpuid_fault_enabled(vcpu))) in kvm_set_msr_common()
3358 vcpu->arch.msr_platform_info = data; in kvm_set_msr_common()
3363 !supports_cpuid_fault(vcpu))) in kvm_set_msr_common()
3365 vcpu->arch.msr_misc_features_enables = data; in kvm_set_msr_common()
3368 if (msr && (msr == vcpu->kvm->arch.xen_hvm_config.msr)) in kvm_set_msr_common()
3369 return xen_hvm_config(vcpu, data); in kvm_set_msr_common()
3370 if (kvm_pmu_is_valid_msr(vcpu, msr)) in kvm_set_msr_common()
3371 return kvm_pmu_set_msr(vcpu, msr_info); in kvm_set_msr_common()
3378 static int get_msr_mce(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host) in get_msr_mce() argument
3381 u64 mcg_cap = vcpu->arch.mcg_cap; in get_msr_mce()
3390 data = vcpu->arch.mcg_cap; in get_msr_mce()
3395 data = vcpu->arch.mcg_ctl; in get_msr_mce()
3398 data = vcpu->arch.mcg_status; in get_msr_mce()
3407 data = vcpu->arch.mce_banks[offset]; in get_msr_mce()
3416 int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) in kvm_get_msr_common() argument
3455 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3456 return kvm_pmu_get_msr(vcpu, msr_info); in kvm_get_msr_common()
3460 msr_info->data = vcpu->arch.microcode_version; in kvm_get_msr_common()
3464 !guest_cpuid_has(vcpu, X86_FEATURE_ARCH_CAPABILITIES)) in kvm_get_msr_common()
3466 msr_info->data = vcpu->arch.arch_capabilities; in kvm_get_msr_common()
3470 !guest_cpuid_has(vcpu, X86_FEATURE_PDCM)) in kvm_get_msr_common()
3472 msr_info->data = vcpu->arch.perf_capabilities; in kvm_get_msr_common()
3475 msr_info->data = vcpu->arch.msr_ia32_power_ctl; in kvm_get_msr_common()
3487 u64 tsc_offset = msr_info->host_initiated ? vcpu->arch.l1_tsc_offset : in kvm_get_msr_common()
3488 vcpu->arch.tsc_offset; in kvm_get_msr_common()
3490 msr_info->data = kvm_scale_tsc(vcpu, rdtsc()) + tsc_offset; in kvm_get_msr_common()
3495 return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3514 msr_info->data = kvm_get_apic_base(vcpu); in kvm_get_msr_common()
3517 return kvm_x2apic_msr_read(vcpu, msr_info->index, &msr_info->data); in kvm_get_msr_common()
3519 msr_info->data = kvm_get_lapic_tscdeadline_msr(vcpu); in kvm_get_msr_common()
3522 msr_info->data = (u64)vcpu->arch.ia32_tsc_adjust_msr; in kvm_get_msr_common()
3525 msr_info->data = vcpu->arch.ia32_misc_enable_msr; in kvm_get_msr_common()
3530 msr_info->data = vcpu->arch.smbase; in kvm_get_msr_common()
3533 msr_info->data = vcpu->arch.smi_count; in kvm_get_msr_common()
3542 msr_info->data = vcpu->arch.efer; in kvm_get_msr_common()
3545 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_get_msr_common()
3548 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3551 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_get_msr_common()
3554 msr_info->data = vcpu->kvm->arch.wall_clock; in kvm_get_msr_common()
3557 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE)) in kvm_get_msr_common()
3560 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3563 if (!guest_pv_has(vcpu, KVM_FEATURE_CLOCKSOURCE2)) in kvm_get_msr_common()
3566 msr_info->data = vcpu->arch.time; in kvm_get_msr_common()
3569 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF)) in kvm_get_msr_common()
3572 msr_info->data = vcpu->arch.apf.msr_en_val; in kvm_get_msr_common()
3575 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_get_msr_common()
3578 msr_info->data = vcpu->arch.apf.msr_int_val; in kvm_get_msr_common()
3581 if (!guest_pv_has(vcpu, KVM_FEATURE_ASYNC_PF_INT)) in kvm_get_msr_common()
3587 if (!guest_pv_has(vcpu, KVM_FEATURE_STEAL_TIME)) in kvm_get_msr_common()
3590 msr_info->data = vcpu->arch.st.msr_val; in kvm_get_msr_common()
3593 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_EOI)) in kvm_get_msr_common()
3596 msr_info->data = vcpu->arch.pv_eoi.msr_val; in kvm_get_msr_common()
3599 if (!guest_pv_has(vcpu, KVM_FEATURE_POLL_CONTROL)) in kvm_get_msr_common()
3602 msr_info->data = vcpu->arch.msr_kvm_poll_control; in kvm_get_msr_common()
3610 return get_msr_mce(vcpu, msr_info->index, &msr_info->data, in kvm_get_msr_common()
3614 !guest_cpuid_has(vcpu, X86_FEATURE_XSAVES)) in kvm_get_msr_common()
3616 msr_info->data = vcpu->arch.ia32_xss; in kvm_get_msr_common()
3639 return kvm_hv_get_msr_common(vcpu, in kvm_get_msr_common()
3656 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_get_msr_common()
3658 msr_info->data = vcpu->arch.osvw.length; in kvm_get_msr_common()
3661 if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) in kvm_get_msr_common()
3663 msr_info->data = vcpu->arch.osvw.status; in kvm_get_msr_common()
3667 !vcpu->kvm->arch.guest_can_read_msr_platform_info) in kvm_get_msr_common()
3669 msr_info->data = vcpu->arch.msr_platform_info; in kvm_get_msr_common()
3672 msr_info->data = vcpu->arch.msr_misc_features_enables; in kvm_get_msr_common()
3675 msr_info->data = vcpu->arch.msr_hwcr; in kvm_get_msr_common()
3678 if (kvm_pmu_is_valid_msr(vcpu, msr_info->index)) in kvm_get_msr_common()
3679 return kvm_pmu_get_msr(vcpu, msr_info); in kvm_get_msr_common()
3691 static int __msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs *msrs, in __msr_io() argument
3693 int (*do_msr)(struct kvm_vcpu *vcpu, in __msr_io() argument
3699 if (do_msr(vcpu, entries[i].index, &entries[i].data)) in __msr_io()
3710 static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, in msr_io() argument
3711 int (*do_msr)(struct kvm_vcpu *vcpu, in msr_io() argument
3735 r = n = __msr_io(vcpu, &msrs, entries, do_msr); in msr_io()
3992 static bool need_emulate_wbinvd(struct kvm_vcpu *vcpu) in need_emulate_wbinvd() argument
3994 return kvm_arch_has_noncoherent_dma(vcpu->kvm); in need_emulate_wbinvd()
3997 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_vcpu_load() argument
4000 if (need_emulate_wbinvd(vcpu)) { in kvm_arch_vcpu_load()
4002 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_load()
4003 else if (vcpu->cpu != -1 && vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4004 smp_call_function_single(vcpu->cpu, in kvm_arch_vcpu_load()
4008 kvm_x86_ops.vcpu_load(vcpu, cpu); in kvm_arch_vcpu_load()
4011 vcpu->arch.host_pkru = read_pkru(); in kvm_arch_vcpu_load()
4014 if (unlikely(vcpu->arch.tsc_offset_adjustment)) { in kvm_arch_vcpu_load()
4015 adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment); in kvm_arch_vcpu_load()
4016 vcpu->arch.tsc_offset_adjustment = 0; in kvm_arch_vcpu_load()
4017 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_arch_vcpu_load()
4020 if (unlikely(vcpu->cpu != cpu) || kvm_check_tsc_unstable()) { in kvm_arch_vcpu_load()
4021 s64 tsc_delta = !vcpu->arch.last_host_tsc ? 0 : in kvm_arch_vcpu_load()
4022 rdtsc() - vcpu->arch.last_host_tsc; in kvm_arch_vcpu_load()
4027 u64 offset = kvm_compute_tsc_offset(vcpu, in kvm_arch_vcpu_load()
4028 vcpu->arch.last_guest_tsc); in kvm_arch_vcpu_load()
4029 kvm_vcpu_write_tsc_offset(vcpu, offset); in kvm_arch_vcpu_load()
4030 vcpu->arch.tsc_catchup = 1; in kvm_arch_vcpu_load()
4033 if (kvm_lapic_hv_timer_in_use(vcpu)) in kvm_arch_vcpu_load()
4034 kvm_lapic_restart_hv_timer(vcpu); in kvm_arch_vcpu_load()
4038 * kvmclock on vcpu->cpu migration in kvm_arch_vcpu_load()
4040 if (!vcpu->kvm->arch.use_master_clock || vcpu->cpu == -1) in kvm_arch_vcpu_load()
4041 kvm_make_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu); in kvm_arch_vcpu_load()
4042 if (vcpu->cpu != cpu) in kvm_arch_vcpu_load()
4043 kvm_make_request(KVM_REQ_MIGRATE_TIMER, vcpu); in kvm_arch_vcpu_load()
4044 vcpu->cpu = cpu; in kvm_arch_vcpu_load()
4047 kvm_make_request(KVM_REQ_STEAL_UPDATE, vcpu); in kvm_arch_vcpu_load()
4050 static void kvm_steal_time_set_preempted(struct kvm_vcpu *vcpu) in kvm_steal_time_set_preempted() argument
4055 if (!(vcpu->arch.st.msr_val & KVM_MSR_ENABLED)) in kvm_steal_time_set_preempted()
4058 if (vcpu->arch.st.preempted) in kvm_steal_time_set_preempted()
4061 if (kvm_map_gfn(vcpu, vcpu->arch.st.msr_val >> PAGE_SHIFT, &map, in kvm_steal_time_set_preempted()
4062 &vcpu->arch.st.cache, true)) in kvm_steal_time_set_preempted()
4066 offset_in_page(vcpu->arch.st.msr_val & KVM_STEAL_VALID_BITS); in kvm_steal_time_set_preempted()
4068 st->preempted = vcpu->arch.st.preempted = KVM_VCPU_PREEMPTED; in kvm_steal_time_set_preempted()
4070 kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, true); in kvm_steal_time_set_preempted()
4073 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_put() argument
4077 if (vcpu->preempted) in kvm_arch_vcpu_put()
4078 vcpu->arch.preempted_in_kernel = !kvm_x86_ops.get_cpl(vcpu); in kvm_arch_vcpu_put()
4093 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_put()
4094 kvm_steal_time_set_preempted(vcpu); in kvm_arch_vcpu_put()
4095 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_put()
4097 kvm_x86_ops.vcpu_put(vcpu); in kvm_arch_vcpu_put()
4098 vcpu->arch.last_host_tsc = rdtsc(); in kvm_arch_vcpu_put()
4107 static int kvm_vcpu_ioctl_get_lapic(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_get_lapic() argument
4110 if (vcpu->arch.apicv_active) in kvm_vcpu_ioctl_get_lapic()
4111 kvm_x86_ops.sync_pir_to_irr(vcpu); in kvm_vcpu_ioctl_get_lapic()
4113 return kvm_apic_get_state(vcpu, s); in kvm_vcpu_ioctl_get_lapic()
4116 static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_set_lapic() argument
4121 r = kvm_apic_set_state(vcpu, s); in kvm_vcpu_ioctl_set_lapic()
4124 update_cr8_intercept(vcpu); in kvm_vcpu_ioctl_set_lapic()
4129 static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu) in kvm_cpu_accept_dm_intr() argument
4137 if (kvm_cpu_has_extint(vcpu)) in kvm_cpu_accept_dm_intr()
4141 return (!lapic_in_kernel(vcpu) || in kvm_cpu_accept_dm_intr()
4142 kvm_apic_accept_pic_intr(vcpu)); in kvm_cpu_accept_dm_intr()
4145 static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu) in kvm_vcpu_ready_for_interrupt_injection() argument
4154 return (kvm_arch_interrupt_allowed(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4155 kvm_cpu_accept_dm_intr(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4156 !kvm_event_needs_reinjection(vcpu) && in kvm_vcpu_ready_for_interrupt_injection()
4157 !vcpu->arch.exception.pending); in kvm_vcpu_ready_for_interrupt_injection()
4160 static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_interrupt() argument
4166 if (!irqchip_in_kernel(vcpu->kvm)) { in kvm_vcpu_ioctl_interrupt()
4167 kvm_queue_interrupt(vcpu, irq->irq, false); in kvm_vcpu_ioctl_interrupt()
4168 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_interrupt()
4176 if (pic_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_interrupt()
4179 if (vcpu->arch.pending_external_vector != -1) in kvm_vcpu_ioctl_interrupt()
4182 vcpu->arch.pending_external_vector = irq->irq; in kvm_vcpu_ioctl_interrupt()
4183 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_interrupt()
4187 static int kvm_vcpu_ioctl_nmi(struct kvm_vcpu *vcpu) in kvm_vcpu_ioctl_nmi() argument
4189 kvm_inject_nmi(vcpu); in kvm_vcpu_ioctl_nmi()
4194 static int kvm_vcpu_ioctl_smi(struct kvm_vcpu *vcpu) in kvm_vcpu_ioctl_smi() argument
4196 kvm_make_request(KVM_REQ_SMI, vcpu); in kvm_vcpu_ioctl_smi()
4201 static int vcpu_ioctl_tpr_access_reporting(struct kvm_vcpu *vcpu, in vcpu_ioctl_tpr_access_reporting() argument
4206 vcpu->arch.tpr_access_reporting = !!tac->enabled; in vcpu_ioctl_tpr_access_reporting()
4210 static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_setup_mce() argument
4222 vcpu->arch.mcg_cap = mcg_cap; in kvm_vcpu_ioctl_x86_setup_mce()
4225 vcpu->arch.mcg_ctl = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4228 vcpu->arch.mce_banks[bank*4] = ~(u64)0; in kvm_vcpu_ioctl_x86_setup_mce()
4230 kvm_x86_ops.setup_mce(vcpu); in kvm_vcpu_ioctl_x86_setup_mce()
4235 static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_mce() argument
4238 u64 mcg_cap = vcpu->arch.mcg_cap; in kvm_vcpu_ioctl_x86_set_mce()
4240 u64 *banks = vcpu->arch.mce_banks; in kvm_vcpu_ioctl_x86_set_mce()
4249 vcpu->arch.mcg_ctl != ~(u64)0) in kvm_vcpu_ioctl_x86_set_mce()
4259 if ((vcpu->arch.mcg_status & MCG_STATUS_MCIP) || in kvm_vcpu_ioctl_x86_set_mce()
4260 !kvm_read_cr4_bits(vcpu, X86_CR4_MCE)) { in kvm_vcpu_ioctl_x86_set_mce()
4261 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_vcpu_ioctl_x86_set_mce()
4268 vcpu->arch.mcg_status = mce->mcg_status; in kvm_vcpu_ioctl_x86_set_mce()
4270 kvm_queue_exception(vcpu, MC_VECTOR); in kvm_vcpu_ioctl_x86_set_mce()
4283 static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_vcpu_events() argument
4286 process_nmi(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4288 if (kvm_check_request(KVM_REQ_SMI, vcpu)) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4289 process_smi(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4302 if (!vcpu->kvm->arch.exception_payload_enabled && in kvm_vcpu_ioctl_x86_get_vcpu_events()
4303 vcpu->arch.exception.pending && vcpu->arch.exception.has_payload) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4304 kvm_deliver_exception_payload(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4312 if (kvm_exception_is_soft(vcpu->arch.exception.nr)) { in kvm_vcpu_ioctl_x86_get_vcpu_events()
4316 events->exception.injected = vcpu->arch.exception.injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4317 events->exception.pending = vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4323 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4325 vcpu->arch.exception.pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4327 events->exception.nr = vcpu->arch.exception.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4328 events->exception.has_error_code = vcpu->arch.exception.has_error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4329 events->exception.error_code = vcpu->arch.exception.error_code; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4330 events->exception_has_payload = vcpu->arch.exception.has_payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4331 events->exception_payload = vcpu->arch.exception.payload; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4334 vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4335 events->interrupt.nr = vcpu->arch.interrupt.nr; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4337 events->interrupt.shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4339 events->nmi.injected = vcpu->arch.nmi_injected; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4340 events->nmi.pending = vcpu->arch.nmi_pending != 0; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4341 events->nmi.masked = kvm_x86_ops.get_nmi_mask(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4346 events->smi.smm = is_smm(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4347 events->smi.pending = vcpu->arch.smi_pending; in kvm_vcpu_ioctl_x86_get_vcpu_events()
4349 !!(vcpu->arch.hflags & HF_SMM_INSIDE_NMI_MASK); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4350 events->smi.latched_init = kvm_lapic_latched_init(vcpu); in kvm_vcpu_ioctl_x86_get_vcpu_events()
4355 if (vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_get_vcpu_events()
4361 static void kvm_smm_changed(struct kvm_vcpu *vcpu);
4363 static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_vcpu_events() argument
4374 if (!vcpu->kvm->arch.exception_payload_enabled) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4392 vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4395 process_nmi(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4396 vcpu->arch.exception.injected = events->exception.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4397 vcpu->arch.exception.pending = events->exception.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4398 vcpu->arch.exception.nr = events->exception.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4399 vcpu->arch.exception.has_error_code = events->exception.has_error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4400 vcpu->arch.exception.error_code = events->exception.error_code; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4401 vcpu->arch.exception.has_payload = events->exception_has_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4402 vcpu->arch.exception.payload = events->exception_payload; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4404 vcpu->arch.interrupt.injected = events->interrupt.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4405 vcpu->arch.interrupt.nr = events->interrupt.nr; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4406 vcpu->arch.interrupt.soft = events->interrupt.soft; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4408 kvm_x86_ops.set_interrupt_shadow(vcpu, in kvm_vcpu_ioctl_x86_set_vcpu_events()
4411 vcpu->arch.nmi_injected = events->nmi.injected; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4413 vcpu->arch.nmi_pending = events->nmi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4414 kvm_x86_ops.set_nmi_mask(vcpu, events->nmi.masked); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4417 lapic_in_kernel(vcpu)) in kvm_vcpu_ioctl_x86_set_vcpu_events()
4418 vcpu->arch.apic->sipi_vector = events->sipi_vector; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4421 if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4423 vcpu->arch.hflags |= HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4425 vcpu->arch.hflags &= ~HF_SMM_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4427 kvm_x86_ops.nested_ops->leave_nested(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4428 kvm_smm_changed(vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4431 vcpu->arch.smi_pending = events->smi.pending; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4435 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4437 vcpu->arch.hflags &= ~HF_SMM_INSIDE_NMI_MASK; in kvm_vcpu_ioctl_x86_set_vcpu_events()
4440 if (lapic_in_kernel(vcpu)) { in kvm_vcpu_ioctl_x86_set_vcpu_events()
4442 set_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4444 clear_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4448 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_ioctl_x86_set_vcpu_events()
4453 static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_debugregs() argument
4458 memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_get_debugregs()
4459 kvm_get_dr(vcpu, 6, &val); in kvm_vcpu_ioctl_x86_get_debugregs()
4461 dbgregs->dr7 = vcpu->arch.dr7; in kvm_vcpu_ioctl_x86_get_debugregs()
4466 static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_debugregs() argument
4477 memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db)); in kvm_vcpu_ioctl_x86_set_debugregs()
4478 kvm_update_dr0123(vcpu); in kvm_vcpu_ioctl_x86_set_debugregs()
4479 vcpu->arch.dr6 = dbgregs->dr6; in kvm_vcpu_ioctl_x86_set_debugregs()
4480 vcpu->arch.dr7 = dbgregs->dr7; in kvm_vcpu_ioctl_x86_set_debugregs()
4481 kvm_update_dr7(vcpu); in kvm_vcpu_ioctl_x86_set_debugregs()
4488 static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu) in fill_xsave() argument
4490 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in fill_xsave()
4501 xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE; in fill_xsave()
4519 memcpy(dest + offset, &vcpu->arch.pkru, in fill_xsave()
4520 sizeof(vcpu->arch.pkru)); in fill_xsave()
4530 static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) in load_xsave() argument
4532 struct xregs_state *xsave = &vcpu->arch.guest_fpu->state.xsave; in load_xsave()
4562 memcpy(&vcpu->arch.pkru, src + offset, in load_xsave()
4563 sizeof(vcpu->arch.pkru)); in load_xsave()
4572 static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_xsave() argument
4577 fill_xsave((u8 *) guest_xsave->region, vcpu); in kvm_vcpu_ioctl_x86_get_xsave()
4580 &vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_get_xsave()
4589 static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_xsave() argument
4604 load_xsave(vcpu, (u8 *)guest_xsave->region); in kvm_vcpu_ioctl_x86_set_xsave()
4609 memcpy(&vcpu->arch.guest_fpu->state.fxsave, in kvm_vcpu_ioctl_x86_set_xsave()
4615 static void kvm_vcpu_ioctl_x86_get_xcrs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_get_xcrs() argument
4626 guest_xcrs->xcrs[0].value = vcpu->arch.xcr0; in kvm_vcpu_ioctl_x86_get_xcrs()
4629 static int kvm_vcpu_ioctl_x86_set_xcrs(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_x86_set_xcrs() argument
4643 r = __kvm_set_xcr(vcpu, XCR_XFEATURE_ENABLED_MASK, in kvm_vcpu_ioctl_x86_set_xcrs()
4658 static int kvm_set_guest_paused(struct kvm_vcpu *vcpu) in kvm_set_guest_paused() argument
4660 if (!vcpu->arch.pv_time_enabled) in kvm_set_guest_paused()
4662 vcpu->arch.pvclock_set_guest_stopped_request = true; in kvm_set_guest_paused()
4663 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_set_guest_paused()
4667 static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, in kvm_vcpu_ioctl_enable_cap() argument
4684 if (!irqchip_in_kernel(vcpu->kvm)) in kvm_vcpu_ioctl_enable_cap()
4686 return kvm_hv_activate_synic(vcpu, cap->cap == in kvm_vcpu_ioctl_enable_cap()
4691 r = kvm_x86_ops.nested_ops->enable_evmcs(vcpu, &vmcs_version); in kvm_vcpu_ioctl_enable_cap()
4703 return kvm_x86_ops.enable_direct_tlbflush(vcpu); in kvm_vcpu_ioctl_enable_cap()
4706 vcpu->arch.pv_cpuid.enforce = cap->args[0]; in kvm_vcpu_ioctl_enable_cap()
4707 if (vcpu->arch.pv_cpuid.enforce) in kvm_vcpu_ioctl_enable_cap()
4708 kvm_update_pv_runtime(vcpu); in kvm_vcpu_ioctl_enable_cap()
4720 struct kvm_vcpu *vcpu = filp->private_data; in kvm_arch_vcpu_ioctl() local
4730 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl()
4736 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4744 r = kvm_vcpu_ioctl_get_lapic(vcpu, u.lapic); in kvm_arch_vcpu_ioctl()
4755 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4763 r = kvm_vcpu_ioctl_set_lapic(vcpu, u.lapic); in kvm_arch_vcpu_ioctl()
4772 r = kvm_vcpu_ioctl_interrupt(vcpu, &irq); in kvm_arch_vcpu_ioctl()
4776 r = kvm_vcpu_ioctl_nmi(vcpu); in kvm_arch_vcpu_ioctl()
4780 r = kvm_vcpu_ioctl_smi(vcpu); in kvm_arch_vcpu_ioctl()
4790 r = kvm_vcpu_ioctl_set_cpuid(vcpu, &cpuid, cpuid_arg->entries); in kvm_arch_vcpu_ioctl()
4800 r = kvm_vcpu_ioctl_set_cpuid2(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
4811 r = kvm_vcpu_ioctl_get_cpuid2(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
4822 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4823 r = msr_io(vcpu, argp, do_get_msr, 1); in kvm_arch_vcpu_ioctl()
4824 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4828 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4829 r = msr_io(vcpu, argp, do_set_msr, 0); in kvm_arch_vcpu_ioctl()
4830 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4839 r = vcpu_ioctl_tpr_access_reporting(vcpu, &tac); in kvm_arch_vcpu_ioctl()
4853 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_ioctl()
4858 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
4859 r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr); in kvm_arch_vcpu_ioctl()
4860 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
4869 r = kvm_vcpu_ioctl_x86_setup_mce(vcpu, mcg_cap); in kvm_arch_vcpu_ioctl()
4878 r = kvm_vcpu_ioctl_x86_set_mce(vcpu, &mce); in kvm_arch_vcpu_ioctl()
4884 kvm_vcpu_ioctl_x86_get_vcpu_events(vcpu, &events); in kvm_arch_vcpu_ioctl()
4899 r = kvm_vcpu_ioctl_x86_set_vcpu_events(vcpu, &events); in kvm_arch_vcpu_ioctl()
4905 kvm_vcpu_ioctl_x86_get_debugregs(vcpu, &dbgregs); in kvm_arch_vcpu_ioctl()
4922 r = kvm_vcpu_ioctl_x86_set_debugregs(vcpu, &dbgregs); in kvm_arch_vcpu_ioctl()
4931 kvm_vcpu_ioctl_x86_get_xsave(vcpu, u.xsave); in kvm_arch_vcpu_ioctl()
4946 r = kvm_vcpu_ioctl_x86_set_xsave(vcpu, u.xsave); in kvm_arch_vcpu_ioctl()
4955 kvm_vcpu_ioctl_x86_get_xcrs(vcpu, u.xcrs); in kvm_arch_vcpu_ioctl()
4971 r = kvm_vcpu_ioctl_x86_set_xcrs(vcpu, u.xcrs); in kvm_arch_vcpu_ioctl()
4987 if (!kvm_set_tsc_khz(vcpu, user_tsc_khz)) in kvm_arch_vcpu_ioctl()
4993 r = vcpu->arch.virtual_tsc_khz; in kvm_arch_vcpu_ioctl()
4997 r = kvm_set_guest_paused(vcpu); in kvm_arch_vcpu_ioctl()
5006 r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap); in kvm_arch_vcpu_ioctl()
5022 r = kvm_x86_ops.nested_ops->get_state(vcpu, user_kvm_nested_state, in kvm_arch_vcpu_ioctl()
5066 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl()
5067 r = kvm_x86_ops.nested_ops->set_state(vcpu, user_kvm_nested_state, &kvm_state); in kvm_arch_vcpu_ioctl()
5068 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl()
5079 r = kvm_vcpu_ioctl_get_hv_cpuid(vcpu, &cpuid, in kvm_arch_vcpu_ioctl()
5096 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl()
5100 vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) in kvm_arch_vcpu_fault() argument
5969 static int vcpu_mmio_write(struct kvm_vcpu *vcpu, gpa_t addr, int len, in vcpu_mmio_write() argument
5977 if (!(lapic_in_kernel(vcpu) && in vcpu_mmio_write()
5978 !kvm_iodevice_write(vcpu, &vcpu->arch.apic->dev, addr, n, v)) in vcpu_mmio_write()
5979 && kvm_io_bus_write(vcpu, KVM_MMIO_BUS, addr, n, v)) in vcpu_mmio_write()
5990 static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v) in vcpu_mmio_read() argument
5997 if (!(lapic_in_kernel(vcpu) && in vcpu_mmio_read()
5998 !kvm_iodevice_read(vcpu, &vcpu->arch.apic->dev, in vcpu_mmio_read()
6000 && kvm_io_bus_read(vcpu, KVM_MMIO_BUS, addr, n, v)) in vcpu_mmio_read()
6012 static void kvm_set_segment(struct kvm_vcpu *vcpu, in kvm_set_segment() argument
6015 kvm_x86_ops.set_segment(vcpu, var, seg); in kvm_set_segment()
6018 void kvm_get_segment(struct kvm_vcpu *vcpu, in kvm_get_segment() argument
6021 kvm_x86_ops.get_segment(vcpu, var, seg); in kvm_get_segment()
6024 gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, in translate_nested_gpa() argument
6029 BUG_ON(!mmu_is_nested(vcpu)); in translate_nested_gpa()
6033 t_gpa = vcpu->arch.mmu->gva_to_gpa(vcpu, gpa, access, exception); in translate_nested_gpa()
6038 gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_read() argument
6041 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_read()
6042 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_read()
6045 gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_fetch() argument
6048 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_fetch()
6050 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_fetch()
6053 gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_write() argument
6056 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_mmu_gva_to_gpa_write()
6058 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in kvm_mmu_gva_to_gpa_write()
6062 gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, in kvm_mmu_gva_to_gpa_system() argument
6065 return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, 0, exception); in kvm_mmu_gva_to_gpa_system()
6069 struct kvm_vcpu *vcpu, u32 access, in kvm_read_guest_virt_helper() argument
6076 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access, in kvm_read_guest_virt_helper()
6084 ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, data, in kvm_read_guest_virt_helper()
6104 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in kvm_fetch_guest_virt() local
6105 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_fetch_guest_virt()
6110 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, access|PFERR_FETCH_MASK, in kvm_fetch_guest_virt()
6118 ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, val, in kvm_fetch_guest_virt()
6126 int kvm_read_guest_virt(struct kvm_vcpu *vcpu, in kvm_read_guest_virt() argument
6130 u32 access = (kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0; in kvm_read_guest_virt()
6139 return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, in kvm_read_guest_virt()
6148 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_read_std() local
6151 if (!system && kvm_x86_ops.get_cpl(vcpu) == 3) in emulator_read_std()
6154 return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access, exception); in emulator_read_std()
6160 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in kvm_read_guest_phys_system() local
6161 int r = kvm_vcpu_read_guest(vcpu, addr, val, bytes); in kvm_read_guest_phys_system()
6167 struct kvm_vcpu *vcpu, u32 access, in kvm_write_guest_virt_helper() argument
6174 gpa_t gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, addr, in kvm_write_guest_virt_helper()
6183 ret = kvm_vcpu_write_guest(vcpu, gpa, data, towrite); in kvm_write_guest_virt_helper()
6201 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_write_std() local
6204 if (!system && kvm_x86_ops.get_cpl(vcpu) == 3) in emulator_write_std()
6207 return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, in emulator_write_std()
6211 int kvm_write_guest_virt_system(struct kvm_vcpu *vcpu, gva_t addr, void *val, in kvm_write_guest_virt_system() argument
6215 vcpu->arch.l1tf_flush_l1d = true; in kvm_write_guest_virt_system()
6217 return kvm_write_guest_virt_helper(addr, val, bytes, vcpu, in kvm_write_guest_virt_system()
6222 int handle_ud(struct kvm_vcpu *vcpu) in handle_ud() argument
6229 if (unlikely(!kvm_x86_ops.can_emulate_instruction(vcpu, NULL, 0))) in handle_ud()
6233 kvm_read_guest_virt(vcpu, kvm_get_linear_rip(vcpu), in handle_ud()
6236 kvm_rip_write(vcpu, kvm_rip_read(vcpu) + sizeof(sig)); in handle_ud()
6240 return kvm_emulate_instruction(vcpu, emul_type); in handle_ud()
6244 static int vcpu_is_mmio_gpa(struct kvm_vcpu *vcpu, unsigned long gva, in vcpu_is_mmio_gpa() argument
6251 if (vcpu_match_mmio_gpa(vcpu, gpa)) { in vcpu_is_mmio_gpa()
6259 static int vcpu_mmio_gva_to_gpa(struct kvm_vcpu *vcpu, unsigned long gva, in vcpu_mmio_gva_to_gpa() argument
6263 u32 access = ((kvm_x86_ops.get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0) in vcpu_mmio_gva_to_gpa()
6271 if (vcpu_match_mmio_gva(vcpu, gva) in vcpu_mmio_gva_to_gpa()
6272 && !permission_fault(vcpu, vcpu->arch.walk_mmu, in vcpu_mmio_gva_to_gpa()
6273 vcpu->arch.mmio_access, 0, access)) { in vcpu_mmio_gva_to_gpa()
6274 *gpa = vcpu->arch.mmio_gfn << PAGE_SHIFT | in vcpu_mmio_gva_to_gpa()
6280 *gpa = vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); in vcpu_mmio_gva_to_gpa()
6285 return vcpu_is_mmio_gpa(vcpu, gva, *gpa, write); in vcpu_mmio_gva_to_gpa()
6288 int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, in emulator_write_phys() argument
6293 ret = kvm_vcpu_write_guest(vcpu, gpa, val, bytes); in emulator_write_phys()
6296 kvm_page_track_write(vcpu, gpa, val, bytes); in emulator_write_phys()
6301 int (*read_write_prepare)(struct kvm_vcpu *vcpu, void *val,
6303 int (*read_write_emulate)(struct kvm_vcpu *vcpu, gpa_t gpa,
6305 int (*read_write_mmio)(struct kvm_vcpu *vcpu, gpa_t gpa,
6307 int (*read_write_exit_mmio)(struct kvm_vcpu *vcpu, gpa_t gpa,
6312 static int read_prepare(struct kvm_vcpu *vcpu, void *val, int bytes) in read_prepare() argument
6314 if (vcpu->mmio_read_completed) { in read_prepare()
6316 vcpu->mmio_fragments[0].gpa, val); in read_prepare()
6317 vcpu->mmio_read_completed = 0; in read_prepare()
6324 static int read_emulate(struct kvm_vcpu *vcpu, gpa_t gpa, in read_emulate() argument
6327 return !kvm_vcpu_read_guest(vcpu, gpa, val, bytes); in read_emulate()
6330 static int write_emulate(struct kvm_vcpu *vcpu, gpa_t gpa, in write_emulate() argument
6333 return emulator_write_phys(vcpu, gpa, val, bytes); in write_emulate()
6336 static int write_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes, void *val) in write_mmio() argument
6339 return vcpu_mmio_write(vcpu, gpa, bytes, val); in write_mmio()
6342 static int read_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, in read_exit_mmio() argument
6349 static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, in write_exit_mmio() argument
6352 struct kvm_mmio_fragment *frag = &vcpu->mmio_fragments[0]; in write_exit_mmio()
6354 memcpy(vcpu->run->mmio.data, frag->data, min(8u, frag->len)); in write_exit_mmio()
6375 struct kvm_vcpu *vcpu, in emulator_read_write_onepage() argument
6382 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in emulator_read_write_onepage()
6394 ret = vcpu_is_mmio_gpa(vcpu, addr, gpa, write); in emulator_read_write_onepage()
6396 ret = vcpu_mmio_gva_to_gpa(vcpu, addr, &gpa, exception, write); in emulator_read_write_onepage()
6401 if (!ret && ops->read_write_emulate(vcpu, gpa, val, bytes)) in emulator_read_write_onepage()
6407 handled = ops->read_write_mmio(vcpu, gpa, bytes, val); in emulator_read_write_onepage()
6415 WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS); in emulator_read_write_onepage()
6416 frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; in emulator_read_write_onepage()
6429 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_read_write() local
6434 ops->read_write_prepare(vcpu, val, bytes)) in emulator_read_write()
6437 vcpu->mmio_nr_fragments = 0; in emulator_read_write()
6445 vcpu, ops); in emulator_read_write()
6457 vcpu, ops); in emulator_read_write()
6461 if (!vcpu->mmio_nr_fragments) in emulator_read_write()
6464 gpa = vcpu->mmio_fragments[0].gpa; in emulator_read_write()
6466 vcpu->mmio_needed = 1; in emulator_read_write()
6467 vcpu->mmio_cur_fragment = 0; in emulator_read_write()
6469 vcpu->run->mmio.len = min(8u, vcpu->mmio_fragments[0].len); in emulator_read_write()
6470 vcpu->run->mmio.is_write = vcpu->mmio_is_write = ops->write; in emulator_read_write()
6471 vcpu->run->exit_reason = KVM_EXIT_MMIO; in emulator_read_write()
6472 vcpu->run->mmio.phys_addr = gpa; in emulator_read_write()
6474 return ops->read_write_exit_mmio(vcpu, gpa, val, bytes); in emulator_read_write()
6515 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_cmpxchg_emulated() local
6525 gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, NULL); in emulator_cmpxchg_emulated()
6543 if (kvm_vcpu_map(vcpu, gpa_to_gfn(gpa), &map)) in emulator_cmpxchg_emulated()
6565 kvm_vcpu_unmap(vcpu, &map, true); in emulator_cmpxchg_emulated()
6570 kvm_page_track_write(vcpu, gpa, new, bytes); in emulator_cmpxchg_emulated()
6580 static int kernel_pio(struct kvm_vcpu *vcpu, void *pd) in kernel_pio() argument
6584 for (i = 0; i < vcpu->arch.pio.count; i++) { in kernel_pio()
6585 if (vcpu->arch.pio.in) in kernel_pio()
6586 r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port, in kernel_pio()
6587 vcpu->arch.pio.size, pd); in kernel_pio()
6589 r = kvm_io_bus_write(vcpu, KVM_PIO_BUS, in kernel_pio()
6590 vcpu->arch.pio.port, vcpu->arch.pio.size, in kernel_pio()
6594 pd += vcpu->arch.pio.size; in kernel_pio()
6599 static int emulator_pio_in_out(struct kvm_vcpu *vcpu, int size, in emulator_pio_in_out() argument
6603 vcpu->arch.pio.port = port; in emulator_pio_in_out()
6604 vcpu->arch.pio.in = in; in emulator_pio_in_out()
6605 vcpu->arch.pio.count = count; in emulator_pio_in_out()
6606 vcpu->arch.pio.size = size; in emulator_pio_in_out()
6608 if (!kernel_pio(vcpu, vcpu->arch.pio_data)) { in emulator_pio_in_out()
6609 vcpu->arch.pio.count = 0; in emulator_pio_in_out()
6613 vcpu->run->exit_reason = KVM_EXIT_IO; in emulator_pio_in_out()
6614 vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT; in emulator_pio_in_out()
6615 vcpu->run->io.size = size; in emulator_pio_in_out()
6616 vcpu->run->io.data_offset = KVM_PIO_PAGE_OFFSET * PAGE_SIZE; in emulator_pio_in_out()
6617 vcpu->run->io.count = count; in emulator_pio_in_out()
6618 vcpu->run->io.port = port; in emulator_pio_in_out()
6623 static int emulator_pio_in(struct kvm_vcpu *vcpu, int size, in emulator_pio_in() argument
6628 if (vcpu->arch.pio.count) in emulator_pio_in()
6631 memset(vcpu->arch.pio_data, 0, size * count); in emulator_pio_in()
6633 ret = emulator_pio_in_out(vcpu, size, port, val, count, true); in emulator_pio_in()
6636 memcpy(val, vcpu->arch.pio_data, size * count); in emulator_pio_in()
6637 trace_kvm_pio(KVM_PIO_IN, port, size, count, vcpu->arch.pio_data); in emulator_pio_in()
6638 vcpu->arch.pio.count = 0; in emulator_pio_in()
6653 static int emulator_pio_out(struct kvm_vcpu *vcpu, int size, in emulator_pio_out() argument
6657 memcpy(vcpu->arch.pio_data, val, size * count); in emulator_pio_out()
6658 trace_kvm_pio(KVM_PIO_OUT, port, size, count, vcpu->arch.pio_data); in emulator_pio_out()
6659 return emulator_pio_in_out(vcpu, size, port, (void *)val, count, false); in emulator_pio_out()
6669 static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg) in get_segment_base() argument
6671 return kvm_x86_ops.get_segment_base(vcpu, seg); in get_segment_base()
6679 static int kvm_emulate_wbinvd_noskip(struct kvm_vcpu *vcpu) in kvm_emulate_wbinvd_noskip() argument
6681 if (!need_emulate_wbinvd(vcpu)) in kvm_emulate_wbinvd_noskip()
6687 cpumask_set_cpu(cpu, vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6688 smp_call_function_many(vcpu->arch.wbinvd_dirty_mask, in kvm_emulate_wbinvd_noskip()
6691 cpumask_clear(vcpu->arch.wbinvd_dirty_mask); in kvm_emulate_wbinvd_noskip()
6697 int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu) in kvm_emulate_wbinvd() argument
6699 kvm_emulate_wbinvd_noskip(vcpu); in kvm_emulate_wbinvd()
6700 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_wbinvd()
6731 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_cr() local
6736 value = kvm_read_cr0(vcpu); in emulator_get_cr()
6739 value = vcpu->arch.cr2; in emulator_get_cr()
6742 value = kvm_read_cr3(vcpu); in emulator_get_cr()
6745 value = kvm_read_cr4(vcpu); in emulator_get_cr()
6748 value = kvm_get_cr8(vcpu); in emulator_get_cr()
6760 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_cr() local
6765 res = kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val)); in emulator_set_cr()
6768 vcpu->arch.cr2 = val; in emulator_set_cr()
6771 res = kvm_set_cr3(vcpu, val); in emulator_set_cr()
6774 res = kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val)); in emulator_set_cr()
6777 res = kvm_set_cr8(vcpu, val); in emulator_set_cr()
6858 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_segment() local
6880 kvm_set_segment(vcpu, &var, seg); in emulator_set_segment()
6887 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_msr() local
6890 r = kvm_get_msr(vcpu, msr_index, pdata); in emulator_get_msr()
6892 if (r && kvm_get_msr_user_space(vcpu, msr_index, r)) { in emulator_get_msr()
6903 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_msr() local
6906 r = kvm_set_msr(vcpu, msr_index, data); in emulator_set_msr()
6908 if (r && kvm_set_msr_user_space(vcpu, msr_index, data, r)) { in emulator_set_msr()
6918 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_get_smbase() local
6920 return vcpu->arch.smbase; in emulator_get_smbase()
6925 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_smbase() local
6927 vcpu->arch.smbase = smbase; in emulator_set_smbase()
7004 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_set_hflags() local
7006 vcpu->arch.hflags = emul_flags; in emulator_set_hflags()
7007 kvm_mmu_reset_context(vcpu); in emulator_set_hflags()
7074 static void toggle_interruptibility(struct kvm_vcpu *vcpu, u32 mask) in toggle_interruptibility() argument
7076 u32 int_shadow = kvm_x86_ops.get_interrupt_shadow(vcpu); in toggle_interruptibility()
7087 kvm_x86_ops.set_interrupt_shadow(vcpu, mask); in toggle_interruptibility()
7089 kvm_make_request(KVM_REQ_EVENT, vcpu); in toggle_interruptibility()
7093 static bool inject_emulated_exception(struct kvm_vcpu *vcpu) in inject_emulated_exception() argument
7095 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in inject_emulated_exception()
7097 return kvm_inject_emulated_page_fault(vcpu, &ctxt->exception); in inject_emulated_exception()
7100 kvm_queue_exception_e(vcpu, ctxt->exception.vector, in inject_emulated_exception()
7103 kvm_queue_exception(vcpu, ctxt->exception.vector); in inject_emulated_exception()
7107 static struct x86_emulate_ctxt *alloc_emulate_ctxt(struct kvm_vcpu *vcpu) in alloc_emulate_ctxt() argument
7113 pr_err("kvm: failed to allocate vcpu's emulator\n"); in alloc_emulate_ctxt()
7117 ctxt->vcpu = vcpu; in alloc_emulate_ctxt()
7119 vcpu->arch.emulate_ctxt = ctxt; in alloc_emulate_ctxt()
7124 static void init_emulate_ctxt(struct kvm_vcpu *vcpu) in init_emulate_ctxt() argument
7126 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in init_emulate_ctxt()
7129 kvm_x86_ops.get_cs_db_l_bits(vcpu, &cs_db, &cs_l); in init_emulate_ctxt()
7132 ctxt->eflags = kvm_get_rflags(vcpu); in init_emulate_ctxt()
7135 ctxt->eip = kvm_rip_read(vcpu); in init_emulate_ctxt()
7136 ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : in init_emulate_ctxt()
7138 (cs_l && is_long_mode(vcpu)) ? X86EMUL_MODE_PROT64 : in init_emulate_ctxt()
7151 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in init_emulate_ctxt()
7154 void kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip) in kvm_inject_realmode_interrupt() argument
7156 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_inject_realmode_interrupt()
7159 init_emulate_ctxt(vcpu); in kvm_inject_realmode_interrupt()
7167 kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu); in kvm_inject_realmode_interrupt()
7170 kvm_rip_write(vcpu, ctxt->eip); in kvm_inject_realmode_interrupt()
7171 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_inject_realmode_interrupt()
7176 static int handle_emulation_failure(struct kvm_vcpu *vcpu, int emulation_type) in handle_emulation_failure() argument
7178 ++vcpu->stat.insn_emulation_fail; in handle_emulation_failure()
7179 trace_kvm_emulate_insn_failed(vcpu); in handle_emulation_failure()
7182 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in handle_emulation_failure()
7187 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7188 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7189 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7193 kvm_queue_exception(vcpu, UD_VECTOR); in handle_emulation_failure()
7195 if (!is_guest_mode(vcpu) && kvm_x86_ops.get_cpl(vcpu) == 0) { in handle_emulation_failure()
7196 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in handle_emulation_failure()
7197 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in handle_emulation_failure()
7198 vcpu->run->internal.ndata = 0; in handle_emulation_failure()
7205 static bool reexecute_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, in reexecute_instruction() argument
7215 if (WARN_ON_ONCE(is_guest_mode(vcpu)) || in reexecute_instruction()
7219 if (!vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7224 gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); in reexecute_instruction()
7240 pfn = gfn_to_pfn(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7252 if (vcpu->arch.mmu->direct_map) { in reexecute_instruction()
7255 spin_lock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7256 indirect_shadow_pages = vcpu->kvm->arch.indirect_shadow_pages; in reexecute_instruction()
7257 spin_unlock(&vcpu->kvm->mmu_lock); in reexecute_instruction()
7260 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7270 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in reexecute_instruction()
7283 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in retry_instruction() local
7286 last_retry_eip = vcpu->arch.last_retry_eip; in retry_instruction()
7287 last_retry_addr = vcpu->arch.last_retry_addr; in retry_instruction()
7302 vcpu->arch.last_retry_eip = vcpu->arch.last_retry_addr = 0; in retry_instruction()
7307 if (WARN_ON_ONCE(is_guest_mode(vcpu)) || in retry_instruction()
7317 vcpu->arch.last_retry_eip = ctxt->eip; in retry_instruction()
7318 vcpu->arch.last_retry_addr = cr2_or_gpa; in retry_instruction()
7320 if (!vcpu->arch.mmu->direct_map) in retry_instruction()
7321 gpa = kvm_mmu_gva_to_gpa_write(vcpu, cr2_or_gpa, NULL); in retry_instruction()
7323 kvm_mmu_unprotect_page(vcpu->kvm, gpa_to_gfn(gpa)); in retry_instruction()
7328 static int complete_emulated_mmio(struct kvm_vcpu *vcpu);
7329 static int complete_emulated_pio(struct kvm_vcpu *vcpu);
7331 static void kvm_smm_changed(struct kvm_vcpu *vcpu) in kvm_smm_changed() argument
7333 if (!(vcpu->arch.hflags & HF_SMM_MASK)) { in kvm_smm_changed()
7335 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, false); in kvm_smm_changed()
7338 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_smm_changed()
7341 kvm_mmu_reset_context(vcpu); in kvm_smm_changed()
7359 static int kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu) in kvm_vcpu_do_singlestep() argument
7361 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_do_singlestep()
7363 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { in kvm_vcpu_do_singlestep()
7365 kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu); in kvm_vcpu_do_singlestep()
7370 kvm_queue_exception_p(vcpu, DB_VECTOR, DR6_BS); in kvm_vcpu_do_singlestep()
7374 int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) in kvm_skip_emulated_instruction() argument
7376 unsigned long rflags = kvm_x86_ops.get_rflags(vcpu); in kvm_skip_emulated_instruction()
7379 r = kvm_x86_ops.skip_emulated_instruction(vcpu); in kvm_skip_emulated_instruction()
7392 r = kvm_vcpu_do_singlestep(vcpu); in kvm_skip_emulated_instruction()
7397 static bool kvm_vcpu_check_code_breakpoint(struct kvm_vcpu *vcpu, int *r) in kvm_vcpu_check_code_breakpoint() argument
7399 if (unlikely(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) && in kvm_vcpu_check_code_breakpoint()
7400 (vcpu->arch.guest_debug_dr7 & DR7_BP_EN_MASK)) { in kvm_vcpu_check_code_breakpoint()
7401 struct kvm_run *kvm_run = vcpu->run; in kvm_vcpu_check_code_breakpoint()
7402 unsigned long eip = kvm_get_linear_rip(vcpu); in kvm_vcpu_check_code_breakpoint()
7404 vcpu->arch.guest_debug_dr7, in kvm_vcpu_check_code_breakpoint()
7405 vcpu->arch.eff_db); in kvm_vcpu_check_code_breakpoint()
7417 if (unlikely(vcpu->arch.dr7 & DR7_BP_EN_MASK) && in kvm_vcpu_check_code_breakpoint()
7418 !(kvm_get_rflags(vcpu) & X86_EFLAGS_RF)) { in kvm_vcpu_check_code_breakpoint()
7419 unsigned long eip = kvm_get_linear_rip(vcpu); in kvm_vcpu_check_code_breakpoint()
7421 vcpu->arch.dr7, in kvm_vcpu_check_code_breakpoint()
7422 vcpu->arch.db); in kvm_vcpu_check_code_breakpoint()
7425 kvm_queue_exception_p(vcpu, DB_VECTOR, dr6); in kvm_vcpu_check_code_breakpoint()
7475 int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type, in x86_decode_emulated_instruction() argument
7478 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_decode_emulated_instruction()
7481 init_emulate_ctxt(vcpu); in x86_decode_emulated_instruction()
7487 trace_kvm_emulate_insn_start(vcpu); in x86_decode_emulated_instruction()
7488 ++vcpu->stat.insn_emulation; in x86_decode_emulated_instruction()
7494 int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, in x86_emulate_instruction() argument
7498 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in x86_emulate_instruction()
7502 if (unlikely(!kvm_x86_ops.can_emulate_instruction(vcpu, insn, insn_len))) in x86_emulate_instruction()
7505 vcpu->arch.l1tf_flush_l1d = true; in x86_emulate_instruction()
7511 write_fault_to_spt = vcpu->arch.write_fault_to_shadow_pgtable; in x86_emulate_instruction()
7512 vcpu->arch.write_fault_to_shadow_pgtable = false; in x86_emulate_instruction()
7515 kvm_clear_exception_queue(vcpu); in x86_emulate_instruction()
7523 kvm_vcpu_check_code_breakpoint(vcpu, &r)) in x86_emulate_instruction()
7526 r = x86_decode_emulated_instruction(vcpu, emulation_type, in x86_emulate_instruction()
7531 kvm_queue_exception(vcpu, UD_VECTOR); in x86_emulate_instruction()
7534 if (reexecute_instruction(vcpu, cr2_or_gpa, in x86_emulate_instruction()
7545 inject_emulated_exception(vcpu); in x86_emulate_instruction()
7548 return handle_emulation_failure(vcpu, emulation_type); in x86_emulate_instruction()
7554 kvm_queue_exception_e(vcpu, GP_VECTOR, 0); in x86_emulate_instruction()
7564 kvm_rip_write(vcpu, ctxt->_eip); in x86_emulate_instruction()
7566 kvm_set_rflags(vcpu, ctxt->eflags & ~X86_EFLAGS_RF); in x86_emulate_instruction()
7575 if (vcpu->arch.emulate_regs_need_sync_from_vcpu) { in x86_emulate_instruction()
7576 vcpu->arch.emulate_regs_need_sync_from_vcpu = false; in x86_emulate_instruction()
7586 if (vcpu->arch.mmu->direct_map) { in x86_emulate_instruction()
7601 if (reexecute_instruction(vcpu, cr2_or_gpa, write_fault_to_spt, in x86_emulate_instruction()
7605 return handle_emulation_failure(vcpu, emulation_type); in x86_emulate_instruction()
7610 if (inject_emulated_exception(vcpu)) in x86_emulate_instruction()
7612 } else if (vcpu->arch.pio.count) { in x86_emulate_instruction()
7613 if (!vcpu->arch.pio.in) { in x86_emulate_instruction()
7615 vcpu->arch.pio.count = 0; in x86_emulate_instruction()
7618 vcpu->arch.complete_userspace_io = complete_emulated_pio; in x86_emulate_instruction()
7621 } else if (vcpu->mmio_needed) { in x86_emulate_instruction()
7622 ++vcpu->stat.mmio_exits; in x86_emulate_instruction()
7624 if (!vcpu->mmio_is_write) in x86_emulate_instruction()
7627 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in x86_emulate_instruction()
7634 unsigned long rflags = kvm_x86_ops.get_rflags(vcpu); in x86_emulate_instruction()
7635 toggle_interruptibility(vcpu, ctxt->interruptibility); in x86_emulate_instruction()
7636 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in x86_emulate_instruction()
7645 kvm_rip_write(vcpu, ctxt->eip); in x86_emulate_instruction()
7646 if (r && (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) in x86_emulate_instruction()
7647 r = kvm_vcpu_do_singlestep(vcpu); in x86_emulate_instruction()
7649 kvm_x86_ops.update_emulated_instruction(vcpu); in x86_emulate_instruction()
7650 __kvm_set_rflags(vcpu, ctxt->eflags); in x86_emulate_instruction()
7660 kvm_make_request(KVM_REQ_EVENT, vcpu); in x86_emulate_instruction()
7662 vcpu->arch.emulate_regs_need_sync_to_vcpu = true; in x86_emulate_instruction()
7667 int kvm_emulate_instruction(struct kvm_vcpu *vcpu, int emulation_type) in kvm_emulate_instruction() argument
7669 return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); in kvm_emulate_instruction()
7673 int kvm_emulate_instruction_from_buffer(struct kvm_vcpu *vcpu, in kvm_emulate_instruction_from_buffer() argument
7676 return x86_emulate_instruction(vcpu, 0, 0, insn, insn_len); in kvm_emulate_instruction_from_buffer()
7680 static int complete_fast_pio_out_port_0x7e(struct kvm_vcpu *vcpu) in complete_fast_pio_out_port_0x7e() argument
7682 vcpu->arch.pio.count = 0; in complete_fast_pio_out_port_0x7e()
7686 static int complete_fast_pio_out(struct kvm_vcpu *vcpu) in complete_fast_pio_out() argument
7688 vcpu->arch.pio.count = 0; in complete_fast_pio_out()
7690 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) in complete_fast_pio_out()
7693 return kvm_skip_emulated_instruction(vcpu); in complete_fast_pio_out()
7696 static int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, in kvm_fast_pio_out() argument
7699 unsigned long val = kvm_rax_read(vcpu); in kvm_fast_pio_out()
7700 int ret = emulator_pio_out(vcpu, size, port, &val, 1); in kvm_fast_pio_out()
7710 kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_OUT_7E_INC_RIP)) { in kvm_fast_pio_out()
7711 vcpu->arch.complete_userspace_io = in kvm_fast_pio_out()
7713 kvm_skip_emulated_instruction(vcpu); in kvm_fast_pio_out()
7715 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_out()
7716 vcpu->arch.complete_userspace_io = complete_fast_pio_out; in kvm_fast_pio_out()
7721 static int complete_fast_pio_in(struct kvm_vcpu *vcpu) in complete_fast_pio_in() argument
7726 BUG_ON(vcpu->arch.pio.count != 1); in complete_fast_pio_in()
7728 if (unlikely(!kvm_is_linear_rip(vcpu, vcpu->arch.pio.linear_rip))) { in complete_fast_pio_in()
7729 vcpu->arch.pio.count = 0; in complete_fast_pio_in()
7734 val = (vcpu->arch.pio.size < 4) ? kvm_rax_read(vcpu) : 0; in complete_fast_pio_in()
7737 * Since vcpu->arch.pio.count == 1 let emulator_pio_in perform in complete_fast_pio_in()
7740 emulator_pio_in(vcpu, vcpu->arch.pio.size, vcpu->arch.pio.port, &val, 1); in complete_fast_pio_in()
7741 kvm_rax_write(vcpu, val); in complete_fast_pio_in()
7743 return kvm_skip_emulated_instruction(vcpu); in complete_fast_pio_in()
7746 static int kvm_fast_pio_in(struct kvm_vcpu *vcpu, int size, in kvm_fast_pio_in() argument
7753 val = (size < 4) ? kvm_rax_read(vcpu) : 0; in kvm_fast_pio_in()
7755 ret = emulator_pio_in(vcpu, size, port, &val, 1); in kvm_fast_pio_in()
7757 kvm_rax_write(vcpu, val); in kvm_fast_pio_in()
7761 vcpu->arch.pio.linear_rip = kvm_get_linear_rip(vcpu); in kvm_fast_pio_in()
7762 vcpu->arch.complete_userspace_io = complete_fast_pio_in; in kvm_fast_pio_in()
7767 int kvm_fast_pio(struct kvm_vcpu *vcpu, int size, unsigned short port, int in) in kvm_fast_pio() argument
7772 ret = kvm_fast_pio_in(vcpu, size, port); in kvm_fast_pio()
7774 ret = kvm_fast_pio_out(vcpu, size, port); in kvm_fast_pio()
7775 return ret && kvm_skip_emulated_instruction(vcpu); in kvm_fast_pio()
7803 struct kvm_vcpu *vcpu; in kvm_hyperv_tsc_notifier() local
7824 kvm_for_each_vcpu(cpu, vcpu, kvm) in kvm_hyperv_tsc_notifier()
7825 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_hyperv_tsc_notifier()
7827 kvm_for_each_vcpu(cpu, vcpu, kvm) in kvm_hyperv_tsc_notifier()
7828 kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu); in kvm_hyperv_tsc_notifier()
7839 struct kvm_vcpu *vcpu; in __kvmclock_cpufreq_notifier() local
7853 * the TSC for each VCPU. We must flag these local variables in __kvmclock_cpufreq_notifier()
7872 * anytime after the setting of the VCPU's request bit, the in __kvmclock_cpufreq_notifier()
7885 kvm_for_each_vcpu(i, vcpu, kvm) { in __kvmclock_cpufreq_notifier()
7886 if (vcpu->cpu != cpu) in __kvmclock_cpufreq_notifier()
7888 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in __kvmclock_cpufreq_notifier()
7889 if (vcpu->cpu != raw_smp_processor_id()) in __kvmclock_cpufreq_notifier()
7995 struct kvm_vcpu *vcpu = __this_cpu_read(current_vcpu); in kvm_handle_intel_pt_intr() local
7997 kvm_make_request(KVM_REQ_PMI, vcpu); in kvm_handle_intel_pt_intr()
7999 (unsigned long *)&vcpu->arch.pmu.global_status); in kvm_handle_intel_pt_intr()
8014 struct kvm_vcpu *vcpu; in pvclock_gtod_update_fn() local
8019 kvm_for_each_vcpu(i, vcpu, kvm) in pvclock_gtod_update_fn()
8020 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in pvclock_gtod_update_fn()
8091 * vCPU's FPU state as a fxregs_state struct. in kvm_arch_init()
8186 int kvm_vcpu_halt(struct kvm_vcpu *vcpu) in kvm_vcpu_halt() argument
8188 ++vcpu->stat.halt_exits; in kvm_vcpu_halt()
8189 if (lapic_in_kernel(vcpu)) { in kvm_vcpu_halt()
8190 vcpu->arch.mp_state = KVM_MP_STATE_HALTED; in kvm_vcpu_halt()
8193 vcpu->run->exit_reason = KVM_EXIT_HLT; in kvm_vcpu_halt()
8199 int kvm_emulate_halt(struct kvm_vcpu *vcpu) in kvm_emulate_halt() argument
8201 int ret = kvm_skip_emulated_instruction(vcpu); in kvm_emulate_halt()
8206 return kvm_vcpu_halt(vcpu) && ret; in kvm_emulate_halt()
8211 static int kvm_pv_clock_pairing(struct kvm_vcpu *vcpu, gpa_t paddr, in kvm_pv_clock_pairing() argument
8227 clock_pairing.tsc = kvm_read_l1_tsc(vcpu, cycle); in kvm_pv_clock_pairing()
8232 if (kvm_write_guest(vcpu->kvm, paddr, &clock_pairing, in kvm_pv_clock_pairing()
8241 * kvm_pv_kick_cpu_op: Kick a vcpu.
8243 * @apicid - apicid of vcpu to be kicked.
8287 target = map->phys_map[dest_id]->vcpu; in kvm_sched_yield()
8295 int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) in kvm_emulate_hypercall() argument
8300 if (kvm_hv_hypercall_enabled(vcpu->kvm)) in kvm_emulate_hypercall()
8301 return kvm_hv_hypercall(vcpu); in kvm_emulate_hypercall()
8303 nr = kvm_rax_read(vcpu); in kvm_emulate_hypercall()
8304 a0 = kvm_rbx_read(vcpu); in kvm_emulate_hypercall()
8305 a1 = kvm_rcx_read(vcpu); in kvm_emulate_hypercall()
8306 a2 = kvm_rdx_read(vcpu); in kvm_emulate_hypercall()
8307 a3 = kvm_rsi_read(vcpu); in kvm_emulate_hypercall()
8311 op_64_bit = is_64_bit_mode(vcpu); in kvm_emulate_hypercall()
8320 if (kvm_x86_ops.get_cpl(vcpu) != 0) { in kvm_emulate_hypercall()
8332 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_UNHALT)) in kvm_emulate_hypercall()
8335 kvm_pv_kick_cpu_op(vcpu->kvm, a0, a1); in kvm_emulate_hypercall()
8336 kvm_sched_yield(vcpu->kvm, a1); in kvm_emulate_hypercall()
8341 ret = kvm_pv_clock_pairing(vcpu, a0, a1); in kvm_emulate_hypercall()
8345 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_SEND_IPI)) in kvm_emulate_hypercall()
8348 ret = kvm_pv_send_ipi(vcpu->kvm, a0, a1, a2, a3, op_64_bit); in kvm_emulate_hypercall()
8351 if (!guest_pv_has(vcpu, KVM_FEATURE_PV_SCHED_YIELD)) in kvm_emulate_hypercall()
8354 kvm_sched_yield(vcpu->kvm, a0); in kvm_emulate_hypercall()
8364 kvm_rax_write(vcpu, ret); in kvm_emulate_hypercall()
8366 ++vcpu->stat.hypercalls; in kvm_emulate_hypercall()
8367 return kvm_skip_emulated_instruction(vcpu); in kvm_emulate_hypercall()
8373 struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); in emulator_fix_hypercall() local
8375 unsigned long rip = kvm_rip_read(vcpu); in emulator_fix_hypercall()
8377 kvm_x86_ops.patch_hypercall(vcpu, instruction); in emulator_fix_hypercall()
8383 static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu) in dm_request_for_irq_injection() argument
8385 return vcpu->run->request_interrupt_window && in dm_request_for_irq_injection()
8386 likely(!pic_in_kernel(vcpu->kvm)); in dm_request_for_irq_injection()
8389 static void post_kvm_run_save(struct kvm_vcpu *vcpu) in post_kvm_run_save() argument
8391 struct kvm_run *kvm_run = vcpu->run; in post_kvm_run_save()
8393 kvm_run->if_flag = (kvm_get_rflags(vcpu) & X86_EFLAGS_IF) != 0; in post_kvm_run_save()
8394 kvm_run->flags = is_smm(vcpu) ? KVM_RUN_X86_SMM : 0; in post_kvm_run_save()
8395 kvm_run->cr8 = kvm_get_cr8(vcpu); in post_kvm_run_save()
8396 kvm_run->apic_base = kvm_get_apic_base(vcpu); in post_kvm_run_save()
8398 pic_in_kernel(vcpu->kvm) || in post_kvm_run_save()
8399 kvm_vcpu_ready_for_interrupt_injection(vcpu); in post_kvm_run_save()
8402 static void update_cr8_intercept(struct kvm_vcpu *vcpu) in update_cr8_intercept() argument
8409 if (!lapic_in_kernel(vcpu)) in update_cr8_intercept()
8412 if (vcpu->arch.apicv_active) in update_cr8_intercept()
8415 if (!vcpu->arch.apic->vapic_addr) in update_cr8_intercept()
8416 max_irr = kvm_lapic_find_highest_irr(vcpu); in update_cr8_intercept()
8423 tpr = kvm_lapic_get_cr8(vcpu); in update_cr8_intercept()
8425 kvm_x86_ops.update_cr8_intercept(vcpu, tpr, max_irr); in update_cr8_intercept()
8428 static void kvm_inject_exception(struct kvm_vcpu *vcpu) in kvm_inject_exception() argument
8430 trace_kvm_inj_exception(vcpu->arch.exception.nr, in kvm_inject_exception()
8431 vcpu->arch.exception.has_error_code, in kvm_inject_exception()
8432 vcpu->arch.exception.error_code, in kvm_inject_exception()
8433 vcpu->arch.exception.injected); in kvm_inject_exception()
8435 if (vcpu->arch.exception.error_code && !is_protmode(vcpu)) in kvm_inject_exception()
8436 vcpu->arch.exception.error_code = false; in kvm_inject_exception()
8437 kvm_x86_ops.queue_exception(vcpu); in kvm_inject_exception()
8440 static void inject_pending_event(struct kvm_vcpu *vcpu, bool *req_immediate_exit) in inject_pending_event() argument
8447 if (vcpu->arch.exception.injected) { in inject_pending_event()
8448 kvm_inject_exception(vcpu); in inject_pending_event()
8465 else if (!vcpu->arch.exception.pending) { in inject_pending_event()
8466 if (vcpu->arch.nmi_injected) { in inject_pending_event()
8467 kvm_x86_ops.set_nmi(vcpu); in inject_pending_event()
8469 } else if (vcpu->arch.interrupt.injected) { in inject_pending_event()
8470 kvm_x86_ops.set_irq(vcpu); in inject_pending_event()
8475 WARN_ON_ONCE(vcpu->arch.exception.injected && in inject_pending_event()
8476 vcpu->arch.exception.pending); in inject_pending_event()
8484 if (is_guest_mode(vcpu)) { in inject_pending_event()
8485 r = kvm_x86_ops.nested_ops->check_events(vcpu); in inject_pending_event()
8491 if (vcpu->arch.exception.pending) { in inject_pending_event()
8502 if (exception_type(vcpu->arch.exception.nr) == EXCPT_FAULT) in inject_pending_event()
8503 __kvm_set_rflags(vcpu, kvm_get_rflags(vcpu) | in inject_pending_event()
8506 if (vcpu->arch.exception.nr == DB_VECTOR) { in inject_pending_event()
8507 kvm_deliver_exception_payload(vcpu); in inject_pending_event()
8508 if (vcpu->arch.dr7 & DR7_GD) { in inject_pending_event()
8509 vcpu->arch.dr7 &= ~DR7_GD; in inject_pending_event()
8510 kvm_update_dr7(vcpu); in inject_pending_event()
8514 kvm_inject_exception(vcpu); in inject_pending_event()
8516 vcpu->arch.exception.pending = false; in inject_pending_event()
8517 vcpu->arch.exception.injected = true; in inject_pending_event()
8533 if (vcpu->arch.smi_pending) { in inject_pending_event()
8534 r = can_inject ? kvm_x86_ops.smi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8538 vcpu->arch.smi_pending = false; in inject_pending_event()
8539 ++vcpu->arch.smi_count; in inject_pending_event()
8540 enter_smm(vcpu); in inject_pending_event()
8543 kvm_x86_ops.enable_smi_window(vcpu); in inject_pending_event()
8546 if (vcpu->arch.nmi_pending) { in inject_pending_event()
8547 r = can_inject ? kvm_x86_ops.nmi_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8551 --vcpu->arch.nmi_pending; in inject_pending_event()
8552 vcpu->arch.nmi_injected = true; in inject_pending_event()
8553 kvm_x86_ops.set_nmi(vcpu); in inject_pending_event()
8555 WARN_ON(kvm_x86_ops.nmi_allowed(vcpu, true) < 0); in inject_pending_event()
8557 if (vcpu->arch.nmi_pending) in inject_pending_event()
8558 kvm_x86_ops.enable_nmi_window(vcpu); in inject_pending_event()
8561 if (kvm_cpu_has_injectable_intr(vcpu)) { in inject_pending_event()
8562 r = can_inject ? kvm_x86_ops.interrupt_allowed(vcpu, true) : -EBUSY; in inject_pending_event()
8566 kvm_queue_interrupt(vcpu, kvm_cpu_get_interrupt(vcpu), false); in inject_pending_event()
8567 kvm_x86_ops.set_irq(vcpu); in inject_pending_event()
8568 WARN_ON(kvm_x86_ops.interrupt_allowed(vcpu, true) < 0); in inject_pending_event()
8570 if (kvm_cpu_has_injectable_intr(vcpu)) in inject_pending_event()
8571 kvm_x86_ops.enable_irq_window(vcpu); in inject_pending_event()
8574 if (is_guest_mode(vcpu) && in inject_pending_event()
8576 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in inject_pending_event()
8579 WARN_ON(vcpu->arch.exception.pending); in inject_pending_event()
8587 static void process_nmi(struct kvm_vcpu *vcpu) in process_nmi() argument
8596 if (kvm_x86_ops.get_nmi_mask(vcpu) || vcpu->arch.nmi_injected) in process_nmi()
8599 vcpu->arch.nmi_pending += atomic_xchg(&vcpu->arch.nmi_queued, 0); in process_nmi()
8600 vcpu->arch.nmi_pending = min(vcpu->arch.nmi_pending, limit); in process_nmi()
8601 kvm_make_request(KVM_REQ_EVENT, vcpu); in process_nmi()
8618 static void enter_smm_save_seg_32(struct kvm_vcpu *vcpu, char *buf, int n) in enter_smm_save_seg_32() argument
8623 kvm_get_segment(vcpu, &seg, n); in enter_smm_save_seg_32()
8637 static void enter_smm_save_seg_64(struct kvm_vcpu *vcpu, char *buf, int n) in enter_smm_save_seg_64() argument
8643 kvm_get_segment(vcpu, &seg, n); in enter_smm_save_seg_64()
8654 static void enter_smm_save_state_32(struct kvm_vcpu *vcpu, char *buf) in enter_smm_save_state_32() argument
8661 put_smstate(u32, buf, 0x7ffc, kvm_read_cr0(vcpu)); in enter_smm_save_state_32()
8662 put_smstate(u32, buf, 0x7ff8, kvm_read_cr3(vcpu)); in enter_smm_save_state_32()
8663 put_smstate(u32, buf, 0x7ff4, kvm_get_rflags(vcpu)); in enter_smm_save_state_32()
8664 put_smstate(u32, buf, 0x7ff0, kvm_rip_read(vcpu)); in enter_smm_save_state_32()
8667 put_smstate(u32, buf, 0x7fd0 + i * 4, kvm_register_read(vcpu, i)); in enter_smm_save_state_32()
8669 kvm_get_dr(vcpu, 6, &val); in enter_smm_save_state_32()
8671 kvm_get_dr(vcpu, 7, &val); in enter_smm_save_state_32()
8674 kvm_get_segment(vcpu, &seg, VCPU_SREG_TR); in enter_smm_save_state_32()
8680 kvm_get_segment(vcpu, &seg, VCPU_SREG_LDTR); in enter_smm_save_state_32()
8686 kvm_x86_ops.get_gdt(vcpu, &dt); in enter_smm_save_state_32()
8690 kvm_x86_ops.get_idt(vcpu, &dt); in enter_smm_save_state_32()
8695 enter_smm_save_seg_32(vcpu, buf, i); in enter_smm_save_state_32()
8697 put_smstate(u32, buf, 0x7f14, kvm_read_cr4(vcpu)); in enter_smm_save_state_32()
8701 put_smstate(u32, buf, 0x7ef8, vcpu->arch.smbase); in enter_smm_save_state_32()
8705 static void enter_smm_save_state_64(struct kvm_vcpu *vcpu, char *buf) in enter_smm_save_state_64() argument
8713 put_smstate(u64, buf, 0x7ff8 - i * 8, kvm_register_read(vcpu, i)); in enter_smm_save_state_64()
8715 put_smstate(u64, buf, 0x7f78, kvm_rip_read(vcpu)); in enter_smm_save_state_64()
8716 put_smstate(u32, buf, 0x7f70, kvm_get_rflags(vcpu)); in enter_smm_save_state_64()
8718 kvm_get_dr(vcpu, 6, &val); in enter_smm_save_state_64()
8720 kvm_get_dr(vcpu, 7, &val); in enter_smm_save_state_64()
8723 put_smstate(u64, buf, 0x7f58, kvm_read_cr0(vcpu)); in enter_smm_save_state_64()
8724 put_smstate(u64, buf, 0x7f50, kvm_read_cr3(vcpu)); in enter_smm_save_state_64()
8725 put_smstate(u64, buf, 0x7f48, kvm_read_cr4(vcpu)); in enter_smm_save_state_64()
8727 put_smstate(u32, buf, 0x7f00, vcpu->arch.smbase); in enter_smm_save_state_64()
8732 put_smstate(u64, buf, 0x7ed0, vcpu->arch.efer); in enter_smm_save_state_64()
8734 kvm_get_segment(vcpu, &seg, VCPU_SREG_TR); in enter_smm_save_state_64()
8740 kvm_x86_ops.get_idt(vcpu, &dt); in enter_smm_save_state_64()
8744 kvm_get_segment(vcpu, &seg, VCPU_SREG_LDTR); in enter_smm_save_state_64()
8750 kvm_x86_ops.get_gdt(vcpu, &dt); in enter_smm_save_state_64()
8755 enter_smm_save_seg_64(vcpu, buf, i); in enter_smm_save_state_64()
8759 static void enter_smm(struct kvm_vcpu *vcpu) in enter_smm() argument
8766 trace_kvm_enter_smm(vcpu->vcpu_id, vcpu->arch.smbase, true); in enter_smm()
8769 if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) in enter_smm()
8770 enter_smm_save_state_64(vcpu, buf); in enter_smm()
8773 enter_smm_save_state_32(vcpu, buf); in enter_smm()
8777 * vCPU state (e.g. leave guest mode) after we've saved the state into in enter_smm()
8780 kvm_x86_ops.pre_enter_smm(vcpu, buf); in enter_smm()
8782 vcpu->arch.hflags |= HF_SMM_MASK; in enter_smm()
8783 kvm_vcpu_write_guest(vcpu, vcpu->arch.smbase + 0xfe00, buf, sizeof(buf)); in enter_smm()
8785 if (kvm_x86_ops.get_nmi_mask(vcpu)) in enter_smm()
8786 vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; in enter_smm()
8788 kvm_x86_ops.set_nmi_mask(vcpu, true); in enter_smm()
8790 kvm_set_rflags(vcpu, X86_EFLAGS_FIXED); in enter_smm()
8791 kvm_rip_write(vcpu, 0x8000); in enter_smm()
8793 cr0 = vcpu->arch.cr0 & ~(X86_CR0_PE | X86_CR0_EM | X86_CR0_TS | X86_CR0_PG); in enter_smm()
8794 kvm_x86_ops.set_cr0(vcpu, cr0); in enter_smm()
8795 vcpu->arch.cr0 = cr0; in enter_smm()
8797 kvm_x86_ops.set_cr4(vcpu, 0); in enter_smm()
8801 kvm_x86_ops.set_idt(vcpu, &dt); in enter_smm()
8803 __kvm_set_dr(vcpu, 7, DR7_FIXED_1); in enter_smm()
8805 cs.selector = (vcpu->arch.smbase >> 4) & 0xffff; in enter_smm()
8806 cs.base = vcpu->arch.smbase; in enter_smm()
8823 kvm_set_segment(vcpu, &cs, VCPU_SREG_CS); in enter_smm()
8824 kvm_set_segment(vcpu, &ds, VCPU_SREG_DS); in enter_smm()
8825 kvm_set_segment(vcpu, &ds, VCPU_SREG_ES); in enter_smm()
8826 kvm_set_segment(vcpu, &ds, VCPU_SREG_FS); in enter_smm()
8827 kvm_set_segment(vcpu, &ds, VCPU_SREG_GS); in enter_smm()
8828 kvm_set_segment(vcpu, &ds, VCPU_SREG_SS); in enter_smm()
8831 if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) in enter_smm()
8832 kvm_x86_ops.set_efer(vcpu, 0); in enter_smm()
8835 kvm_update_cpuid_runtime(vcpu); in enter_smm()
8836 kvm_mmu_reset_context(vcpu); in enter_smm()
8839 static void process_smi(struct kvm_vcpu *vcpu) in process_smi() argument
8841 vcpu->arch.smi_pending = true; in process_smi()
8842 kvm_make_request(KVM_REQ_EVENT, vcpu); in process_smi()
8863 void kvm_vcpu_update_apicv(struct kvm_vcpu *vcpu) in kvm_vcpu_update_apicv() argument
8865 if (!lapic_in_kernel(vcpu)) in kvm_vcpu_update_apicv()
8868 vcpu->arch.apicv_active = kvm_apicv_activated(vcpu->kvm); in kvm_vcpu_update_apicv()
8869 kvm_apic_update_apicv(vcpu); in kvm_vcpu_update_apicv()
8870 kvm_x86_ops.refresh_apicv_exec_ctrl(vcpu); in kvm_vcpu_update_apicv()
8911 * while update the calling vcpu immediately instead of in kvm_request_apicv_update()
8922 static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) in vcpu_scan_ioapic() argument
8924 if (!kvm_apic_present(vcpu)) in vcpu_scan_ioapic()
8927 bitmap_zero(vcpu->arch.ioapic_handled_vectors, 256); in vcpu_scan_ioapic()
8929 if (irqchip_split(vcpu->kvm)) in vcpu_scan_ioapic()
8930 kvm_scan_ioapic_routes(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
8932 if (vcpu->arch.apicv_active) in vcpu_scan_ioapic()
8933 kvm_x86_ops.sync_pir_to_irr(vcpu); in vcpu_scan_ioapic()
8934 if (ioapic_in_kernel(vcpu->kvm)) in vcpu_scan_ioapic()
8935 kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); in vcpu_scan_ioapic()
8938 if (is_guest_mode(vcpu)) in vcpu_scan_ioapic()
8939 vcpu->arch.load_eoi_exitmap_pending = true; in vcpu_scan_ioapic()
8941 kvm_make_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu); in vcpu_scan_ioapic()
8944 static void vcpu_load_eoi_exitmap(struct kvm_vcpu *vcpu) in vcpu_load_eoi_exitmap() argument
8948 if (!kvm_apic_hw_enabled(vcpu->arch.apic)) in vcpu_load_eoi_exitmap()
8951 bitmap_or((ulong *)eoi_exit_bitmap, vcpu->arch.ioapic_handled_vectors, in vcpu_load_eoi_exitmap()
8952 vcpu_to_synic(vcpu)->vec_bitmap, 256); in vcpu_load_eoi_exitmap()
8953 kvm_x86_ops.load_eoi_exitmap(vcpu, eoi_exit_bitmap); in vcpu_load_eoi_exitmap()
8976 void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu) in kvm_vcpu_reload_apic_access_page() argument
8978 if (!lapic_in_kernel(vcpu)) in kvm_vcpu_reload_apic_access_page()
8984 kvm_x86_ops.set_apic_access_page_addr(vcpu); in kvm_vcpu_reload_apic_access_page()
8987 void __kvm_request_immediate_exit(struct kvm_vcpu *vcpu) in __kvm_request_immediate_exit() argument
8989 smp_send_reschedule(vcpu->cpu); in __kvm_request_immediate_exit()
8998 static int vcpu_enter_guest(struct kvm_vcpu *vcpu) in vcpu_enter_guest() argument
9002 dm_request_for_irq_injection(vcpu) && in vcpu_enter_guest()
9003 kvm_cpu_accept_dm_intr(vcpu); in vcpu_enter_guest()
9008 if (kvm_request_pending(vcpu)) { in vcpu_enter_guest()
9009 if (kvm_check_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu)) { in vcpu_enter_guest()
9010 if (unlikely(!kvm_x86_ops.nested_ops->get_nested_state_pages(vcpu))) { in vcpu_enter_guest()
9015 if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu)) in vcpu_enter_guest()
9016 kvm_mmu_unload(vcpu); in vcpu_enter_guest()
9017 if (kvm_check_request(KVM_REQ_MIGRATE_TIMER, vcpu)) in vcpu_enter_guest()
9018 __kvm_migrate_timers(vcpu); in vcpu_enter_guest()
9019 if (kvm_check_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu)) in vcpu_enter_guest()
9020 kvm_gen_update_masterclock(vcpu->kvm); in vcpu_enter_guest()
9021 if (kvm_check_request(KVM_REQ_GLOBAL_CLOCK_UPDATE, vcpu)) in vcpu_enter_guest()
9022 kvm_gen_kvmclock_update(vcpu); in vcpu_enter_guest()
9023 if (kvm_check_request(KVM_REQ_CLOCK_UPDATE, vcpu)) { in vcpu_enter_guest()
9024 r = kvm_guest_time_update(vcpu); in vcpu_enter_guest()
9028 if (kvm_check_request(KVM_REQ_MMU_SYNC, vcpu)) in vcpu_enter_guest()
9029 kvm_mmu_sync_roots(vcpu); in vcpu_enter_guest()
9030 if (kvm_check_request(KVM_REQ_LOAD_MMU_PGD, vcpu)) in vcpu_enter_guest()
9031 kvm_mmu_load_pgd(vcpu); in vcpu_enter_guest()
9032 if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) { in vcpu_enter_guest()
9033 kvm_vcpu_flush_tlb_all(vcpu); in vcpu_enter_guest()
9036 kvm_clear_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in vcpu_enter_guest()
9038 if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu)) in vcpu_enter_guest()
9039 kvm_vcpu_flush_tlb_current(vcpu); in vcpu_enter_guest()
9040 if (kvm_check_request(KVM_REQ_TLB_FLUSH_GUEST, vcpu)) in vcpu_enter_guest()
9041 kvm_vcpu_flush_tlb_guest(vcpu); in vcpu_enter_guest()
9043 if (kvm_check_request(KVM_REQ_REPORT_TPR_ACCESS, vcpu)) { in vcpu_enter_guest()
9044 vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS; in vcpu_enter_guest()
9048 if (kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)) { in vcpu_enter_guest()
9049 vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN; in vcpu_enter_guest()
9050 vcpu->mmio_needed = 0; in vcpu_enter_guest()
9054 if (kvm_check_request(KVM_REQ_APF_HALT, vcpu)) { in vcpu_enter_guest()
9056 vcpu->arch.apf.halted = true; in vcpu_enter_guest()
9060 if (kvm_check_request(KVM_REQ_STEAL_UPDATE, vcpu)) in vcpu_enter_guest()
9061 record_steal_time(vcpu); in vcpu_enter_guest()
9062 if (kvm_check_request(KVM_REQ_SMI, vcpu)) in vcpu_enter_guest()
9063 process_smi(vcpu); in vcpu_enter_guest()
9064 if (kvm_check_request(KVM_REQ_NMI, vcpu)) in vcpu_enter_guest()
9065 process_nmi(vcpu); in vcpu_enter_guest()
9066 if (kvm_check_request(KVM_REQ_PMU, vcpu)) in vcpu_enter_guest()
9067 kvm_pmu_handle_event(vcpu); in vcpu_enter_guest()
9068 if (kvm_check_request(KVM_REQ_PMI, vcpu)) in vcpu_enter_guest()
9069 kvm_pmu_deliver_pmi(vcpu); in vcpu_enter_guest()
9070 if (kvm_check_request(KVM_REQ_IOAPIC_EOI_EXIT, vcpu)) { in vcpu_enter_guest()
9071 BUG_ON(vcpu->arch.pending_ioapic_eoi > 255); in vcpu_enter_guest()
9072 if (test_bit(vcpu->arch.pending_ioapic_eoi, in vcpu_enter_guest()
9073 vcpu->arch.ioapic_handled_vectors)) { in vcpu_enter_guest()
9074 vcpu->run->exit_reason = KVM_EXIT_IOAPIC_EOI; in vcpu_enter_guest()
9075 vcpu->run->eoi.vector = in vcpu_enter_guest()
9076 vcpu->arch.pending_ioapic_eoi; in vcpu_enter_guest()
9081 if (kvm_check_request(KVM_REQ_SCAN_IOAPIC, vcpu)) in vcpu_enter_guest()
9082 vcpu_scan_ioapic(vcpu); in vcpu_enter_guest()
9083 if (kvm_check_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu)) in vcpu_enter_guest()
9084 vcpu_load_eoi_exitmap(vcpu); in vcpu_enter_guest()
9085 if (kvm_check_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu)) in vcpu_enter_guest()
9086 kvm_vcpu_reload_apic_access_page(vcpu); in vcpu_enter_guest()
9087 if (kvm_check_request(KVM_REQ_HV_CRASH, vcpu)) { in vcpu_enter_guest()
9088 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
9089 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_CRASH; in vcpu_enter_guest()
9093 if (kvm_check_request(KVM_REQ_HV_RESET, vcpu)) { in vcpu_enter_guest()
9094 vcpu->run->exit_reason = KVM_EXIT_SYSTEM_EVENT; in vcpu_enter_guest()
9095 vcpu->run->system_event.type = KVM_SYSTEM_EVENT_RESET; in vcpu_enter_guest()
9099 if (kvm_check_request(KVM_REQ_HV_EXIT, vcpu)) { in vcpu_enter_guest()
9100 vcpu->run->exit_reason = KVM_EXIT_HYPERV; in vcpu_enter_guest()
9101 vcpu->run->hyperv = vcpu->arch.hyperv.exit; in vcpu_enter_guest()
9111 if (kvm_check_request(KVM_REQ_HV_STIMER, vcpu)) in vcpu_enter_guest()
9112 kvm_hv_process_stimers(vcpu); in vcpu_enter_guest()
9113 if (kvm_check_request(KVM_REQ_APICV_UPDATE, vcpu)) in vcpu_enter_guest()
9114 kvm_vcpu_update_apicv(vcpu); in vcpu_enter_guest()
9115 if (kvm_check_request(KVM_REQ_APF_READY, vcpu)) in vcpu_enter_guest()
9116 kvm_check_async_pf_completion(vcpu); in vcpu_enter_guest()
9117 if (kvm_check_request(KVM_REQ_MSR_FILTER_CHANGED, vcpu)) in vcpu_enter_guest()
9118 kvm_x86_ops.msr_filter_changed(vcpu); in vcpu_enter_guest()
9121 if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) { in vcpu_enter_guest()
9122 ++vcpu->stat.req_event; in vcpu_enter_guest()
9123 kvm_apic_accept_events(vcpu); in vcpu_enter_guest()
9124 if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) { in vcpu_enter_guest()
9129 inject_pending_event(vcpu, &req_immediate_exit); in vcpu_enter_guest()
9131 kvm_x86_ops.enable_irq_window(vcpu); in vcpu_enter_guest()
9133 if (kvm_lapic_enabled(vcpu)) { in vcpu_enter_guest()
9134 update_cr8_intercept(vcpu); in vcpu_enter_guest()
9135 kvm_lapic_sync_to_vapic(vcpu); in vcpu_enter_guest()
9139 r = kvm_mmu_reload(vcpu); in vcpu_enter_guest()
9146 kvm_x86_ops.prepare_guest_switch(vcpu); in vcpu_enter_guest()
9154 vcpu->mode = IN_GUEST_MODE; in vcpu_enter_guest()
9156 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in vcpu_enter_guest()
9167 * tables done while the VCPU is running. Please see the comment in vcpu_enter_guest()
9176 if (kvm_lapic_enabled(vcpu) && vcpu->arch.apicv_active) in vcpu_enter_guest()
9177 kvm_x86_ops.sync_pir_to_irr(vcpu); in vcpu_enter_guest()
9179 if (kvm_vcpu_exit_request(vcpu)) { in vcpu_enter_guest()
9180 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9184 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9190 kvm_make_request(KVM_REQ_EVENT, vcpu); in vcpu_enter_guest()
9191 kvm_x86_ops.request_immediate_exit(vcpu); in vcpu_enter_guest()
9194 trace_kvm_entry(vcpu); in vcpu_enter_guest()
9200 if (unlikely(vcpu->arch.switch_db_regs)) { in vcpu_enter_guest()
9202 set_debugreg(vcpu->arch.eff_db[0], 0); in vcpu_enter_guest()
9203 set_debugreg(vcpu->arch.eff_db[1], 1); in vcpu_enter_guest()
9204 set_debugreg(vcpu->arch.eff_db[2], 2); in vcpu_enter_guest()
9205 set_debugreg(vcpu->arch.eff_db[3], 3); in vcpu_enter_guest()
9206 set_debugreg(vcpu->arch.dr6, 6); in vcpu_enter_guest()
9207 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9212 exit_fastpath = kvm_x86_ops.run(vcpu); in vcpu_enter_guest()
9220 if (unlikely(vcpu->arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)) { in vcpu_enter_guest()
9221 WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP); in vcpu_enter_guest()
9222 kvm_x86_ops.sync_dirty_debug_regs(vcpu); in vcpu_enter_guest()
9223 kvm_update_dr0123(vcpu); in vcpu_enter_guest()
9224 kvm_update_dr7(vcpu); in vcpu_enter_guest()
9225 vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; in vcpu_enter_guest()
9238 vcpu->arch.last_vmentry_cpu = vcpu->cpu; in vcpu_enter_guest()
9239 vcpu->arch.last_guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc()); in vcpu_enter_guest()
9241 vcpu->mode = OUTSIDE_GUEST_MODE; in vcpu_enter_guest()
9244 kvm_x86_ops.handle_exit_irqoff(vcpu); in vcpu_enter_guest()
9253 kvm_before_interrupt(vcpu); in vcpu_enter_guest()
9255 ++vcpu->stat.exits; in vcpu_enter_guest()
9257 kvm_after_interrupt(vcpu); in vcpu_enter_guest()
9268 if (lapic_in_kernel(vcpu)) { in vcpu_enter_guest()
9269 s64 delta = vcpu->arch.apic->lapic_timer.advance_expire_delta; in vcpu_enter_guest()
9271 trace_kvm_wait_lapic_expire(vcpu->vcpu_id, delta); in vcpu_enter_guest()
9272 vcpu->arch.apic->lapic_timer.advance_expire_delta = S64_MIN; in vcpu_enter_guest()
9279 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in vcpu_enter_guest()
9285 unsigned long rip = kvm_rip_read(vcpu); in vcpu_enter_guest()
9289 if (unlikely(vcpu->arch.tsc_always_catchup)) in vcpu_enter_guest()
9290 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in vcpu_enter_guest()
9292 if (vcpu->arch.apic_attention) in vcpu_enter_guest()
9293 kvm_lapic_sync_from_vapic(vcpu); in vcpu_enter_guest()
9295 r = kvm_x86_ops.handle_exit(vcpu, exit_fastpath); in vcpu_enter_guest()
9300 kvm_make_request(KVM_REQ_EVENT, vcpu); in vcpu_enter_guest()
9301 kvm_x86_ops.cancel_injection(vcpu); in vcpu_enter_guest()
9302 if (unlikely(vcpu->arch.apic_attention)) in vcpu_enter_guest()
9303 kvm_lapic_sync_from_vapic(vcpu); in vcpu_enter_guest()
9308 static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) in vcpu_block() argument
9310 if (!kvm_arch_vcpu_runnable(vcpu) && in vcpu_block()
9311 (!kvm_x86_ops.pre_block || kvm_x86_ops.pre_block(vcpu) == 0)) { in vcpu_block()
9312 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_block()
9313 kvm_vcpu_block(vcpu); in vcpu_block()
9314 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_block()
9317 kvm_x86_ops.post_block(vcpu); in vcpu_block()
9319 if (!kvm_check_request(KVM_REQ_UNHALT, vcpu)) in vcpu_block()
9323 kvm_apic_accept_events(vcpu); in vcpu_block()
9324 switch(vcpu->arch.mp_state) { in vcpu_block()
9326 vcpu->arch.pv.pv_unhalted = false; in vcpu_block()
9327 vcpu->arch.mp_state = in vcpu_block()
9331 vcpu->arch.apf.halted = false; in vcpu_block()
9341 static inline bool kvm_vcpu_running(struct kvm_vcpu *vcpu) in kvm_vcpu_running() argument
9343 if (is_guest_mode(vcpu)) in kvm_vcpu_running()
9344 kvm_x86_ops.nested_ops->check_events(vcpu); in kvm_vcpu_running()
9346 return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE && in kvm_vcpu_running()
9347 !vcpu->arch.apf.halted); in kvm_vcpu_running()
9350 static int vcpu_run(struct kvm_vcpu *vcpu) in vcpu_run() argument
9353 struct kvm *kvm = vcpu->kvm; in vcpu_run()
9355 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9356 vcpu->arch.l1tf_flush_l1d = true; in vcpu_run()
9359 if (kvm_vcpu_running(vcpu)) { in vcpu_run()
9360 r = vcpu_enter_guest(vcpu); in vcpu_run()
9362 r = vcpu_block(kvm, vcpu); in vcpu_run()
9368 kvm_clear_request(KVM_REQ_PENDING_TIMER, vcpu); in vcpu_run()
9369 if (kvm_cpu_has_pending_timer(vcpu)) in vcpu_run()
9370 kvm_inject_pending_timer_irqs(vcpu); in vcpu_run()
9372 if (dm_request_for_irq_injection(vcpu) && in vcpu_run()
9373 kvm_vcpu_ready_for_interrupt_injection(vcpu)) { in vcpu_run()
9375 vcpu->run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; in vcpu_run()
9376 ++vcpu->stat.request_irq_exits; in vcpu_run()
9381 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9382 r = xfer_to_guest_mode_handle_work(vcpu); in vcpu_run()
9385 vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); in vcpu_run()
9389 srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); in vcpu_run()
9394 static inline int complete_emulated_io(struct kvm_vcpu *vcpu) in complete_emulated_io() argument
9398 vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); in complete_emulated_io()
9399 r = kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE); in complete_emulated_io()
9400 srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); in complete_emulated_io()
9404 static int complete_emulated_pio(struct kvm_vcpu *vcpu) in complete_emulated_pio() argument
9406 BUG_ON(!vcpu->arch.pio.count); in complete_emulated_pio()
9408 return complete_emulated_io(vcpu); in complete_emulated_pio()
9429 static int complete_emulated_mmio(struct kvm_vcpu *vcpu) in complete_emulated_mmio() argument
9431 struct kvm_run *run = vcpu->run; in complete_emulated_mmio()
9435 BUG_ON(!vcpu->mmio_needed); in complete_emulated_mmio()
9438 frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment]; in complete_emulated_mmio()
9440 if (!vcpu->mmio_is_write) in complete_emulated_mmio()
9446 vcpu->mmio_cur_fragment++; in complete_emulated_mmio()
9454 if (vcpu->mmio_cur_fragment >= vcpu->mmio_nr_fragments) { in complete_emulated_mmio()
9455 vcpu->mmio_needed = 0; in complete_emulated_mmio()
9458 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9460 vcpu->mmio_read_completed = 1; in complete_emulated_mmio()
9461 return complete_emulated_io(vcpu); in complete_emulated_mmio()
9466 if (vcpu->mmio_is_write) in complete_emulated_mmio()
9469 run->mmio.is_write = vcpu->mmio_is_write; in complete_emulated_mmio()
9470 vcpu->arch.complete_userspace_io = complete_emulated_mmio; in complete_emulated_mmio()
9488 static void kvm_load_guest_fpu(struct kvm_vcpu *vcpu) in kvm_load_guest_fpu() argument
9492 kvm_save_current_fpu(vcpu->arch.user_fpu); in kvm_load_guest_fpu()
9495 __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu->state, in kvm_load_guest_fpu()
9505 static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu) in kvm_put_guest_fpu() argument
9509 kvm_save_current_fpu(vcpu->arch.guest_fpu); in kvm_put_guest_fpu()
9511 copy_kernel_to_fpregs(&vcpu->arch.user_fpu->state); in kvm_put_guest_fpu()
9516 ++vcpu->stat.fpu_reload; in kvm_put_guest_fpu()
9520 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_ioctl_run() argument
9522 struct kvm_run *kvm_run = vcpu->run; in kvm_arch_vcpu_ioctl_run()
9525 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_run()
9526 kvm_sigset_activate(vcpu); in kvm_arch_vcpu_ioctl_run()
9527 kvm_load_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_run()
9529 if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { in kvm_arch_vcpu_ioctl_run()
9534 kvm_vcpu_block(vcpu); in kvm_arch_vcpu_ioctl_run()
9535 kvm_apic_accept_events(vcpu); in kvm_arch_vcpu_ioctl_run()
9536 kvm_clear_request(KVM_REQ_UNHALT, vcpu); in kvm_arch_vcpu_ioctl_run()
9541 ++vcpu->stat.signal_exits; in kvm_arch_vcpu_ioctl_run()
9552 r = sync_regs(vcpu); in kvm_arch_vcpu_ioctl_run()
9558 if (!lapic_in_kernel(vcpu)) { in kvm_arch_vcpu_ioctl_run()
9559 if (kvm_set_cr8(vcpu, kvm_run->cr8) != 0) { in kvm_arch_vcpu_ioctl_run()
9565 if (unlikely(vcpu->arch.complete_userspace_io)) { in kvm_arch_vcpu_ioctl_run()
9566 int (*cui)(struct kvm_vcpu *) = vcpu->arch.complete_userspace_io; in kvm_arch_vcpu_ioctl_run()
9567 vcpu->arch.complete_userspace_io = NULL; in kvm_arch_vcpu_ioctl_run()
9568 r = cui(vcpu); in kvm_arch_vcpu_ioctl_run()
9572 WARN_ON(vcpu->arch.pio.count || vcpu->mmio_needed); in kvm_arch_vcpu_ioctl_run()
9577 r = vcpu_run(vcpu); in kvm_arch_vcpu_ioctl_run()
9580 kvm_put_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_run()
9582 store_regs(vcpu); in kvm_arch_vcpu_ioctl_run()
9583 post_kvm_run_save(vcpu); in kvm_arch_vcpu_ioctl_run()
9584 kvm_sigset_deactivate(vcpu); in kvm_arch_vcpu_ioctl_run()
9586 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_run()
9590 static void __get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in __get_regs() argument
9592 if (vcpu->arch.emulate_regs_need_sync_to_vcpu) { in __get_regs()
9596 * back from emulation context to vcpu. Userspace shouldn't do in __get_regs()
9600 emulator_writeback_register_cache(vcpu->arch.emulate_ctxt); in __get_regs()
9601 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __get_regs()
9603 regs->rax = kvm_rax_read(vcpu); in __get_regs()
9604 regs->rbx = kvm_rbx_read(vcpu); in __get_regs()
9605 regs->rcx = kvm_rcx_read(vcpu); in __get_regs()
9606 regs->rdx = kvm_rdx_read(vcpu); in __get_regs()
9607 regs->rsi = kvm_rsi_read(vcpu); in __get_regs()
9608 regs->rdi = kvm_rdi_read(vcpu); in __get_regs()
9609 regs->rsp = kvm_rsp_read(vcpu); in __get_regs()
9610 regs->rbp = kvm_rbp_read(vcpu); in __get_regs()
9612 regs->r8 = kvm_r8_read(vcpu); in __get_regs()
9613 regs->r9 = kvm_r9_read(vcpu); in __get_regs()
9614 regs->r10 = kvm_r10_read(vcpu); in __get_regs()
9615 regs->r11 = kvm_r11_read(vcpu); in __get_regs()
9616 regs->r12 = kvm_r12_read(vcpu); in __get_regs()
9617 regs->r13 = kvm_r13_read(vcpu); in __get_regs()
9618 regs->r14 = kvm_r14_read(vcpu); in __get_regs()
9619 regs->r15 = kvm_r15_read(vcpu); in __get_regs()
9622 regs->rip = kvm_rip_read(vcpu); in __get_regs()
9623 regs->rflags = kvm_get_rflags(vcpu); in __get_regs()
9626 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_get_regs() argument
9628 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_regs()
9629 __get_regs(vcpu, regs); in kvm_arch_vcpu_ioctl_get_regs()
9630 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_regs()
9634 static void __set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in __set_regs() argument
9636 vcpu->arch.emulate_regs_need_sync_from_vcpu = true; in __set_regs()
9637 vcpu->arch.emulate_regs_need_sync_to_vcpu = false; in __set_regs()
9639 kvm_rax_write(vcpu, regs->rax); in __set_regs()
9640 kvm_rbx_write(vcpu, regs->rbx); in __set_regs()
9641 kvm_rcx_write(vcpu, regs->rcx); in __set_regs()
9642 kvm_rdx_write(vcpu, regs->rdx); in __set_regs()
9643 kvm_rsi_write(vcpu, regs->rsi); in __set_regs()
9644 kvm_rdi_write(vcpu, regs->rdi); in __set_regs()
9645 kvm_rsp_write(vcpu, regs->rsp); in __set_regs()
9646 kvm_rbp_write(vcpu, regs->rbp); in __set_regs()
9648 kvm_r8_write(vcpu, regs->r8); in __set_regs()
9649 kvm_r9_write(vcpu, regs->r9); in __set_regs()
9650 kvm_r10_write(vcpu, regs->r10); in __set_regs()
9651 kvm_r11_write(vcpu, regs->r11); in __set_regs()
9652 kvm_r12_write(vcpu, regs->r12); in __set_regs()
9653 kvm_r13_write(vcpu, regs->r13); in __set_regs()
9654 kvm_r14_write(vcpu, regs->r14); in __set_regs()
9655 kvm_r15_write(vcpu, regs->r15); in __set_regs()
9658 kvm_rip_write(vcpu, regs->rip); in __set_regs()
9659 kvm_set_rflags(vcpu, regs->rflags | X86_EFLAGS_FIXED); in __set_regs()
9661 vcpu->arch.exception.pending = false; in __set_regs()
9663 kvm_make_request(KVM_REQ_EVENT, vcpu); in __set_regs()
9666 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) in kvm_arch_vcpu_ioctl_set_regs() argument
9668 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_regs()
9669 __set_regs(vcpu, regs); in kvm_arch_vcpu_ioctl_set_regs()
9670 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_regs()
9674 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) in kvm_get_cs_db_l_bits() argument
9678 kvm_get_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_get_cs_db_l_bits()
9684 static void __get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in __get_sregs() argument
9688 kvm_get_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __get_sregs()
9689 kvm_get_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __get_sregs()
9690 kvm_get_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __get_sregs()
9691 kvm_get_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __get_sregs()
9692 kvm_get_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __get_sregs()
9693 kvm_get_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __get_sregs()
9695 kvm_get_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __get_sregs()
9696 kvm_get_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __get_sregs()
9698 kvm_x86_ops.get_idt(vcpu, &dt); in __get_sregs()
9701 kvm_x86_ops.get_gdt(vcpu, &dt); in __get_sregs()
9705 sregs->cr0 = kvm_read_cr0(vcpu); in __get_sregs()
9706 sregs->cr2 = vcpu->arch.cr2; in __get_sregs()
9707 sregs->cr3 = kvm_read_cr3(vcpu); in __get_sregs()
9708 sregs->cr4 = kvm_read_cr4(vcpu); in __get_sregs()
9709 sregs->cr8 = kvm_get_cr8(vcpu); in __get_sregs()
9710 sregs->efer = vcpu->arch.efer; in __get_sregs()
9711 sregs->apic_base = kvm_get_apic_base(vcpu); in __get_sregs()
9715 if (vcpu->arch.interrupt.injected && !vcpu->arch.interrupt.soft) in __get_sregs()
9716 set_bit(vcpu->arch.interrupt.nr, in __get_sregs()
9720 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_sregs() argument
9723 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_sregs()
9724 __get_sregs(vcpu, sregs); in kvm_arch_vcpu_ioctl_get_sregs()
9725 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_sregs()
9729 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_get_mpstate() argument
9732 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9734 kvm_load_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9736 kvm_apic_accept_events(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9737 if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED && in kvm_arch_vcpu_ioctl_get_mpstate()
9738 vcpu->arch.pv.pv_unhalted) in kvm_arch_vcpu_ioctl_get_mpstate()
9741 mp_state->mp_state = vcpu->arch.mp_state; in kvm_arch_vcpu_ioctl_get_mpstate()
9744 kvm_put_guest_fpu(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9745 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_mpstate()
9749 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_mpstate() argument
9754 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9756 if (!lapic_in_kernel(vcpu) && in kvm_arch_vcpu_ioctl_set_mpstate()
9765 if ((kvm_vcpu_latch_init(vcpu) || vcpu->arch.smi_pending) && in kvm_arch_vcpu_ioctl_set_mpstate()
9771 vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; in kvm_arch_vcpu_ioctl_set_mpstate()
9772 set_bit(KVM_APIC_SIPI, &vcpu->arch.apic->pending_events); in kvm_arch_vcpu_ioctl_set_mpstate()
9774 vcpu->arch.mp_state = mp_state->mp_state; in kvm_arch_vcpu_ioctl_set_mpstate()
9775 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9779 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_mpstate()
9783 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index, in kvm_task_switch() argument
9786 struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; in kvm_task_switch()
9789 init_emulate_ctxt(vcpu); in kvm_task_switch()
9794 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_task_switch()
9795 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_task_switch()
9796 vcpu->run->internal.ndata = 0; in kvm_task_switch()
9800 kvm_rip_write(vcpu, ctxt->eip); in kvm_task_switch()
9801 kvm_set_rflags(vcpu, ctxt->eflags); in kvm_task_switch()
9806 static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in kvm_valid_sregs() argument
9817 if (sregs->cr3 & vcpu->arch.cr3_lm_rsvd_bits) in kvm_valid_sregs()
9828 return kvm_valid_cr4(vcpu, sregs->cr4); in kvm_valid_sregs()
9831 static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) in __set_sregs() argument
9840 if (kvm_valid_sregs(vcpu, sregs)) in __set_sregs()
9845 if (kvm_set_apic_base(vcpu, &apic_base_msr)) in __set_sregs()
9850 kvm_x86_ops.set_idt(vcpu, &dt); in __set_sregs()
9853 kvm_x86_ops.set_gdt(vcpu, &dt); in __set_sregs()
9855 vcpu->arch.cr2 = sregs->cr2; in __set_sregs()
9856 mmu_reset_needed |= kvm_read_cr3(vcpu) != sregs->cr3; in __set_sregs()
9857 vcpu->arch.cr3 = sregs->cr3; in __set_sregs()
9858 kvm_register_mark_available(vcpu, VCPU_EXREG_CR3); in __set_sregs()
9860 kvm_set_cr8(vcpu, sregs->cr8); in __set_sregs()
9862 mmu_reset_needed |= vcpu->arch.efer != sregs->efer; in __set_sregs()
9863 kvm_x86_ops.set_efer(vcpu, sregs->efer); in __set_sregs()
9865 mmu_reset_needed |= kvm_read_cr0(vcpu) != sregs->cr0; in __set_sregs()
9866 kvm_x86_ops.set_cr0(vcpu, sregs->cr0); in __set_sregs()
9867 vcpu->arch.cr0 = sregs->cr0; in __set_sregs()
9869 mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4; in __set_sregs()
9870 cpuid_update_needed |= ((kvm_read_cr4(vcpu) ^ sregs->cr4) & in __set_sregs()
9872 kvm_x86_ops.set_cr4(vcpu, sregs->cr4); in __set_sregs()
9874 kvm_update_cpuid_runtime(vcpu); in __set_sregs()
9876 idx = srcu_read_lock(&vcpu->kvm->srcu); in __set_sregs()
9877 if (is_pae_paging(vcpu)) { in __set_sregs()
9878 load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu)); in __set_sregs()
9881 srcu_read_unlock(&vcpu->kvm->srcu, idx); in __set_sregs()
9884 kvm_mmu_reset_context(vcpu); in __set_sregs()
9890 kvm_queue_interrupt(vcpu, pending_vec, false); in __set_sregs()
9894 kvm_set_segment(vcpu, &sregs->cs, VCPU_SREG_CS); in __set_sregs()
9895 kvm_set_segment(vcpu, &sregs->ds, VCPU_SREG_DS); in __set_sregs()
9896 kvm_set_segment(vcpu, &sregs->es, VCPU_SREG_ES); in __set_sregs()
9897 kvm_set_segment(vcpu, &sregs->fs, VCPU_SREG_FS); in __set_sregs()
9898 kvm_set_segment(vcpu, &sregs->gs, VCPU_SREG_GS); in __set_sregs()
9899 kvm_set_segment(vcpu, &sregs->ss, VCPU_SREG_SS); in __set_sregs()
9901 kvm_set_segment(vcpu, &sregs->tr, VCPU_SREG_TR); in __set_sregs()
9902 kvm_set_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); in __set_sregs()
9904 update_cr8_intercept(vcpu); in __set_sregs()
9906 /* Older userspace won't unhalt the vcpu on reset. */ in __set_sregs()
9907 if (kvm_vcpu_is_bsp(vcpu) && kvm_rip_read(vcpu) == 0xfff0 && in __set_sregs()
9909 !is_protmode(vcpu)) in __set_sregs()
9910 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in __set_sregs()
9912 kvm_make_request(KVM_REQ_EVENT, vcpu); in __set_sregs()
9919 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_sregs() argument
9924 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_sregs()
9925 ret = __set_sregs(vcpu, sregs); in kvm_arch_vcpu_ioctl_set_sregs()
9926 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_sregs()
9930 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_set_guest_debug() argument
9936 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9940 if (vcpu->arch.exception.pending) in kvm_arch_vcpu_ioctl_set_guest_debug()
9943 kvm_queue_exception(vcpu, DB_VECTOR); in kvm_arch_vcpu_ioctl_set_guest_debug()
9945 kvm_queue_exception(vcpu, BP_VECTOR); in kvm_arch_vcpu_ioctl_set_guest_debug()
9952 rflags = kvm_get_rflags(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9954 vcpu->guest_debug = dbg->control; in kvm_arch_vcpu_ioctl_set_guest_debug()
9955 if (!(vcpu->guest_debug & KVM_GUESTDBG_ENABLE)) in kvm_arch_vcpu_ioctl_set_guest_debug()
9956 vcpu->guest_debug = 0; in kvm_arch_vcpu_ioctl_set_guest_debug()
9958 if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) { in kvm_arch_vcpu_ioctl_set_guest_debug()
9960 vcpu->arch.eff_db[i] = dbg->arch.debugreg[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
9961 vcpu->arch.guest_debug_dr7 = dbg->arch.debugreg[7]; in kvm_arch_vcpu_ioctl_set_guest_debug()
9964 vcpu->arch.eff_db[i] = vcpu->arch.db[i]; in kvm_arch_vcpu_ioctl_set_guest_debug()
9966 kvm_update_dr7(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9968 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_arch_vcpu_ioctl_set_guest_debug()
9969 vcpu->arch.singlestep_rip = kvm_rip_read(vcpu) + in kvm_arch_vcpu_ioctl_set_guest_debug()
9970 get_segment_base(vcpu, VCPU_SREG_CS); in kvm_arch_vcpu_ioctl_set_guest_debug()
9976 kvm_set_rflags(vcpu, rflags); in kvm_arch_vcpu_ioctl_set_guest_debug()
9978 kvm_x86_ops.update_exception_bitmap(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9983 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_guest_debug()
9990 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, in kvm_arch_vcpu_ioctl_translate() argument
9997 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_translate()
9999 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_ioctl_translate()
10000 gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL); in kvm_arch_vcpu_ioctl_translate()
10001 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_ioctl_translate()
10007 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_translate()
10011 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_get_fpu() argument
10015 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_get_fpu()
10017 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_get_fpu()
10027 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_get_fpu()
10031 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) in kvm_arch_vcpu_ioctl_set_fpu() argument
10035 vcpu_load(vcpu); in kvm_arch_vcpu_ioctl_set_fpu()
10037 fxsave = &vcpu->arch.guest_fpu->state.fxsave; in kvm_arch_vcpu_ioctl_set_fpu()
10048 vcpu_put(vcpu); in kvm_arch_vcpu_ioctl_set_fpu()
10052 static void store_regs(struct kvm_vcpu *vcpu) in store_regs() argument
10056 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_REGS) in store_regs()
10057 __get_regs(vcpu, &vcpu->run->s.regs.regs); in store_regs()
10059 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_SREGS) in store_regs()
10060 __get_sregs(vcpu, &vcpu->run->s.regs.sregs); in store_regs()
10062 if (vcpu->run->kvm_valid_regs & KVM_SYNC_X86_EVENTS) in store_regs()
10064 vcpu, &vcpu->run->s.regs.events); in store_regs()
10067 static int sync_regs(struct kvm_vcpu *vcpu) in sync_regs() argument
10069 if (vcpu->run->kvm_dirty_regs & ~KVM_SYNC_X86_VALID_FIELDS) in sync_regs()
10072 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_REGS) { in sync_regs()
10073 __set_regs(vcpu, &vcpu->run->s.regs.regs); in sync_regs()
10074 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_REGS; in sync_regs()
10076 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_SREGS) { in sync_regs()
10077 if (__set_sregs(vcpu, &vcpu->run->s.regs.sregs)) in sync_regs()
10079 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_SREGS; in sync_regs()
10081 if (vcpu->run->kvm_dirty_regs & KVM_SYNC_X86_EVENTS) { in sync_regs()
10083 vcpu, &vcpu->run->s.regs.events)) in sync_regs()
10085 vcpu->run->kvm_dirty_regs &= ~KVM_SYNC_X86_EVENTS; in sync_regs()
10091 static void fx_init(struct kvm_vcpu *vcpu) in fx_init() argument
10093 fpstate_init(&vcpu->arch.guest_fpu->state); in fx_init()
10095 vcpu->arch.guest_fpu->state.xsave.header.xcomp_bv = in fx_init()
10101 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in fx_init()
10103 vcpu->arch.cr0 |= X86_CR0_ET; in fx_init()
10115 int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_create() argument
10120 if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu)) in kvm_arch_vcpu_create()
10121 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_vcpu_create()
10123 vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED; in kvm_arch_vcpu_create()
10125 kvm_set_tsc_khz(vcpu, max_tsc_khz); in kvm_arch_vcpu_create()
10127 r = kvm_mmu_create(vcpu); in kvm_arch_vcpu_create()
10131 if (irqchip_in_kernel(vcpu->kvm)) { in kvm_arch_vcpu_create()
10132 r = kvm_create_lapic(vcpu, lapic_timer_advance_ns); in kvm_arch_vcpu_create()
10135 if (kvm_apicv_activated(vcpu->kvm)) in kvm_arch_vcpu_create()
10136 vcpu->arch.apicv_active = true; in kvm_arch_vcpu_create()
10145 vcpu->arch.pio_data = page_address(page); in kvm_arch_vcpu_create()
10147 vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4, in kvm_arch_vcpu_create()
10149 if (!vcpu->arch.mce_banks) in kvm_arch_vcpu_create()
10151 vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS; in kvm_arch_vcpu_create()
10153 if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, in kvm_arch_vcpu_create()
10157 if (!alloc_emulate_ctxt(vcpu)) in kvm_arch_vcpu_create()
10160 vcpu->arch.user_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10162 if (!vcpu->arch.user_fpu) { in kvm_arch_vcpu_create()
10167 vcpu->arch.guest_fpu = kmem_cache_zalloc(x86_fpu_cache, in kvm_arch_vcpu_create()
10169 if (!vcpu->arch.guest_fpu) { in kvm_arch_vcpu_create()
10170 pr_err("kvm: failed to allocate vcpu's fpu\n"); in kvm_arch_vcpu_create()
10173 fx_init(vcpu); in kvm_arch_vcpu_create()
10175 vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); in kvm_arch_vcpu_create()
10176 vcpu->arch.cr3_lm_rsvd_bits = rsvd_bits(cpuid_maxphyaddr(vcpu), 63); in kvm_arch_vcpu_create()
10178 vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT; in kvm_arch_vcpu_create()
10180 kvm_async_pf_hash_reset(vcpu); in kvm_arch_vcpu_create()
10181 kvm_pmu_init(vcpu); in kvm_arch_vcpu_create()
10183 vcpu->arch.pending_external_vector = -1; in kvm_arch_vcpu_create()
10184 vcpu->arch.preempted_in_kernel = false; in kvm_arch_vcpu_create()
10186 kvm_hv_vcpu_init(vcpu); in kvm_arch_vcpu_create()
10188 r = kvm_x86_ops.vcpu_create(vcpu); in kvm_arch_vcpu_create()
10192 vcpu->arch.arch_capabilities = kvm_get_arch_capabilities(); in kvm_arch_vcpu_create()
10193 vcpu->arch.msr_platform_info = MSR_PLATFORM_INFO_CPUID_FAULT; in kvm_arch_vcpu_create()
10194 kvm_vcpu_mtrr_init(vcpu); in kvm_arch_vcpu_create()
10195 vcpu_load(vcpu); in kvm_arch_vcpu_create()
10196 kvm_vcpu_reset(vcpu, false); in kvm_arch_vcpu_create()
10197 kvm_init_mmu(vcpu, false); in kvm_arch_vcpu_create()
10198 vcpu_put(vcpu); in kvm_arch_vcpu_create()
10202 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_create()
10204 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_create()
10206 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_create()
10208 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_create()
10210 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_create()
10212 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_create()
10214 kvm_free_lapic(vcpu); in kvm_arch_vcpu_create()
10216 kvm_mmu_destroy(vcpu); in kvm_arch_vcpu_create()
10220 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_postcreate() argument
10222 struct kvm *kvm = vcpu->kvm; in kvm_arch_vcpu_postcreate()
10224 kvm_hv_vcpu_postcreate(vcpu); in kvm_arch_vcpu_postcreate()
10226 if (mutex_lock_killable(&vcpu->mutex)) in kvm_arch_vcpu_postcreate()
10228 vcpu_load(vcpu); in kvm_arch_vcpu_postcreate()
10229 kvm_synchronize_tsc(vcpu, 0); in kvm_arch_vcpu_postcreate()
10230 vcpu_put(vcpu); in kvm_arch_vcpu_postcreate()
10233 vcpu->arch.msr_kvm_poll_control = 1; in kvm_arch_vcpu_postcreate()
10235 mutex_unlock(&vcpu->mutex); in kvm_arch_vcpu_postcreate()
10237 if (kvmclock_periodic_sync && vcpu->vcpu_idx == 0) in kvm_arch_vcpu_postcreate()
10242 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_destroy() argument
10244 struct gfn_to_pfn_cache *cache = &vcpu->arch.st.cache; in kvm_arch_vcpu_destroy()
10249 kvmclock_reset(vcpu); in kvm_arch_vcpu_destroy()
10251 kvm_x86_ops.vcpu_free(vcpu); in kvm_arch_vcpu_destroy()
10253 kmem_cache_free(x86_emulator_cache, vcpu->arch.emulate_ctxt); in kvm_arch_vcpu_destroy()
10254 free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); in kvm_arch_vcpu_destroy()
10255 kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu); in kvm_arch_vcpu_destroy()
10256 kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu); in kvm_arch_vcpu_destroy()
10258 kvm_hv_vcpu_uninit(vcpu); in kvm_arch_vcpu_destroy()
10259 kvm_pmu_destroy(vcpu); in kvm_arch_vcpu_destroy()
10260 kfree(vcpu->arch.mce_banks); in kvm_arch_vcpu_destroy()
10261 kvm_free_lapic(vcpu); in kvm_arch_vcpu_destroy()
10262 idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_arch_vcpu_destroy()
10263 kvm_mmu_destroy(vcpu); in kvm_arch_vcpu_destroy()
10264 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_arch_vcpu_destroy()
10265 free_page((unsigned long)vcpu->arch.pio_data); in kvm_arch_vcpu_destroy()
10266 kvfree(vcpu->arch.cpuid_entries); in kvm_arch_vcpu_destroy()
10267 if (!lapic_in_kernel(vcpu)) in kvm_arch_vcpu_destroy()
10271 void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) in kvm_vcpu_reset() argument
10273 kvm_lapic_reset(vcpu, init_event); in kvm_vcpu_reset()
10275 vcpu->arch.hflags = 0; in kvm_vcpu_reset()
10277 vcpu->arch.smi_pending = 0; in kvm_vcpu_reset()
10278 vcpu->arch.smi_count = 0; in kvm_vcpu_reset()
10279 atomic_set(&vcpu->arch.nmi_queued, 0); in kvm_vcpu_reset()
10280 vcpu->arch.nmi_pending = 0; in kvm_vcpu_reset()
10281 vcpu->arch.nmi_injected = false; in kvm_vcpu_reset()
10282 kvm_clear_interrupt_queue(vcpu); in kvm_vcpu_reset()
10283 kvm_clear_exception_queue(vcpu); in kvm_vcpu_reset()
10285 memset(vcpu->arch.db, 0, sizeof(vcpu->arch.db)); in kvm_vcpu_reset()
10286 kvm_update_dr0123(vcpu); in kvm_vcpu_reset()
10287 vcpu->arch.dr6 = DR6_INIT; in kvm_vcpu_reset()
10288 vcpu->arch.dr7 = DR7_FIXED_1; in kvm_vcpu_reset()
10289 kvm_update_dr7(vcpu); in kvm_vcpu_reset()
10291 vcpu->arch.cr2 = 0; in kvm_vcpu_reset()
10293 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_vcpu_reset()
10294 vcpu->arch.apf.msr_en_val = 0; in kvm_vcpu_reset()
10295 vcpu->arch.apf.msr_int_val = 0; in kvm_vcpu_reset()
10296 vcpu->arch.st.msr_val = 0; in kvm_vcpu_reset()
10298 kvmclock_reset(vcpu); in kvm_vcpu_reset()
10300 kvm_clear_async_pf_completion_queue(vcpu); in kvm_vcpu_reset()
10301 kvm_async_pf_hash_reset(vcpu); in kvm_vcpu_reset()
10302 vcpu->arch.apf.halted = false; in kvm_vcpu_reset()
10312 kvm_put_guest_fpu(vcpu); in kvm_vcpu_reset()
10313 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10317 mpx_state_buffer = get_xsave_addr(&vcpu->arch.guest_fpu->state.xsave, in kvm_vcpu_reset()
10322 kvm_load_guest_fpu(vcpu); in kvm_vcpu_reset()
10326 kvm_pmu_reset(vcpu); in kvm_vcpu_reset()
10327 vcpu->arch.smbase = 0x30000; in kvm_vcpu_reset()
10329 vcpu->arch.msr_misc_features_enables = 0; in kvm_vcpu_reset()
10331 vcpu->arch.xcr0 = XFEATURE_MASK_FP; in kvm_vcpu_reset()
10334 memset(vcpu->arch.regs, 0, sizeof(vcpu->arch.regs)); in kvm_vcpu_reset()
10335 vcpu->arch.regs_avail = ~0; in kvm_vcpu_reset()
10336 vcpu->arch.regs_dirty = ~0; in kvm_vcpu_reset()
10338 vcpu->arch.ia32_xss = 0; in kvm_vcpu_reset()
10340 kvm_x86_ops.vcpu_reset(vcpu, init_event); in kvm_vcpu_reset()
10343 void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector) in kvm_vcpu_deliver_sipi_vector() argument
10347 kvm_get_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_vcpu_deliver_sipi_vector()
10350 kvm_set_segment(vcpu, &cs, VCPU_SREG_CS); in kvm_vcpu_deliver_sipi_vector()
10351 kvm_rip_write(vcpu, 0); in kvm_vcpu_deliver_sipi_vector()
10357 struct kvm_vcpu *vcpu; in kvm_arch_hardware_enable() local
10372 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_arch_hardware_enable()
10373 if (!stable && vcpu->cpu == smp_processor_id()) in kvm_arch_hardware_enable()
10374 kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu); in kvm_arch_hardware_enable()
10375 if (stable && vcpu->arch.last_host_tsc > local_tsc) { in kvm_arch_hardware_enable()
10377 if (vcpu->arch.last_host_tsc > max_tsc) in kvm_arch_hardware_enable()
10378 max_tsc = vcpu->arch.last_host_tsc; in kvm_arch_hardware_enable()
10395 * adjustment to TSC in each VCPU. When the VCPU later gets loaded, in kvm_arch_hardware_enable()
10397 * adjustments, in case multiple suspend cycles happen before some VCPU in kvm_arch_hardware_enable()
10425 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_arch_hardware_enable()
10426 vcpu->arch.tsc_offset_adjustment += delta_cyc; in kvm_arch_hardware_enable()
10427 vcpu->arch.last_host_tsc = local_tsc; in kvm_arch_hardware_enable()
10428 kvm_make_request(KVM_REQ_MASTERCLOCK_UPDATE, vcpu); in kvm_arch_hardware_enable()
10511 bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu) in kvm_vcpu_is_reset_bsp() argument
10513 return vcpu->kvm->arch.bsp_vcpu_id == vcpu->vcpu_id; in kvm_vcpu_is_reset_bsp()
10517 bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) in kvm_vcpu_is_bsp() argument
10519 return (vcpu->arch.apic_base & MSR_IA32_APICBASE_BSP) != 0; in kvm_vcpu_is_bsp()
10525 void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) in kvm_arch_sched_in() argument
10527 struct kvm_pmu *pmu = vcpu_to_pmu(vcpu); in kvm_arch_sched_in()
10529 vcpu->arch.l1tf_flush_l1d = true; in kvm_arch_sched_in()
10532 kvm_make_request(KVM_REQ_PMU, vcpu); in kvm_arch_sched_in()
10534 kvm_x86_ops.sched_in(vcpu, cpu); in kvm_arch_sched_in()
10591 static void kvm_unload_vcpu_mmu(struct kvm_vcpu *vcpu) in kvm_unload_vcpu_mmu() argument
10593 vcpu_load(vcpu); in kvm_unload_vcpu_mmu()
10594 kvm_mmu_unload(vcpu); in kvm_unload_vcpu_mmu()
10595 vcpu_put(vcpu); in kvm_unload_vcpu_mmu()
10601 struct kvm_vcpu *vcpu; in kvm_free_vcpus() local
10606 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_free_vcpus()
10607 kvm_clear_async_pf_completion_queue(vcpu); in kvm_free_vcpus()
10608 kvm_unload_vcpu_mmu(vcpu); in kvm_free_vcpus()
10610 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_free_vcpus()
10611 kvm_vcpu_destroy(vcpu); in kvm_free_vcpus()
10804 struct kvm_vcpu *vcpu; in kvm_arch_memslots_updated() local
10814 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_arch_memslots_updated()
10815 kvm_vcpu_kick(vcpu); in kvm_arch_memslots_updated()
10945 static inline bool kvm_guest_apic_has_interrupt(struct kvm_vcpu *vcpu) in kvm_guest_apic_has_interrupt() argument
10947 return (is_guest_mode(vcpu) && in kvm_guest_apic_has_interrupt()
10949 kvm_x86_ops.guest_apic_has_interrupt(vcpu)); in kvm_guest_apic_has_interrupt()
10952 static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu) in kvm_vcpu_has_events() argument
10954 if (!list_empty_careful(&vcpu->async_pf.done)) in kvm_vcpu_has_events()
10957 if (kvm_apic_has_events(vcpu)) in kvm_vcpu_has_events()
10960 if (vcpu->arch.pv.pv_unhalted) in kvm_vcpu_has_events()
10963 if (vcpu->arch.exception.pending) in kvm_vcpu_has_events()
10966 if (kvm_test_request(KVM_REQ_NMI, vcpu) || in kvm_vcpu_has_events()
10967 (vcpu->arch.nmi_pending && in kvm_vcpu_has_events()
10968 kvm_x86_ops.nmi_allowed(vcpu, false))) in kvm_vcpu_has_events()
10971 if (kvm_test_request(KVM_REQ_SMI, vcpu) || in kvm_vcpu_has_events()
10972 (vcpu->arch.smi_pending && in kvm_vcpu_has_events()
10973 kvm_x86_ops.smi_allowed(vcpu, false))) in kvm_vcpu_has_events()
10976 if (kvm_arch_interrupt_allowed(vcpu) && in kvm_vcpu_has_events()
10977 (kvm_cpu_has_interrupt(vcpu) || in kvm_vcpu_has_events()
10978 kvm_guest_apic_has_interrupt(vcpu))) in kvm_vcpu_has_events()
10981 if (kvm_hv_has_stimer_pending(vcpu)) in kvm_vcpu_has_events()
10984 if (is_guest_mode(vcpu) && in kvm_vcpu_has_events()
10986 kvm_x86_ops.nested_ops->hv_timer_pending(vcpu)) in kvm_vcpu_has_events()
10992 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_runnable() argument
10994 return kvm_vcpu_running(vcpu) || kvm_vcpu_has_events(vcpu); in kvm_arch_vcpu_runnable()
10997 bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu) in kvm_arch_dy_runnable() argument
10999 if (READ_ONCE(vcpu->arch.pv.pv_unhalted)) in kvm_arch_dy_runnable()
11002 if (kvm_test_request(KVM_REQ_NMI, vcpu) || in kvm_arch_dy_runnable()
11003 kvm_test_request(KVM_REQ_SMI, vcpu) || in kvm_arch_dy_runnable()
11004 kvm_test_request(KVM_REQ_EVENT, vcpu)) in kvm_arch_dy_runnable()
11007 if (vcpu->arch.apicv_active && kvm_x86_ops.dy_apicv_has_pending_interrupt(vcpu)) in kvm_arch_dy_runnable()
11013 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_in_kernel() argument
11015 return vcpu->arch.preempted_in_kernel; in kvm_arch_vcpu_in_kernel()
11018 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) in kvm_arch_vcpu_should_kick() argument
11020 return kvm_vcpu_exiting_guest_mode(vcpu) == IN_GUEST_MODE; in kvm_arch_vcpu_should_kick()
11023 int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu) in kvm_arch_interrupt_allowed() argument
11025 return kvm_x86_ops.interrupt_allowed(vcpu, false); in kvm_arch_interrupt_allowed()
11028 unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu) in kvm_get_linear_rip() argument
11030 if (is_64_bit_mode(vcpu)) in kvm_get_linear_rip()
11031 return kvm_rip_read(vcpu); in kvm_get_linear_rip()
11032 return (u32)(get_segment_base(vcpu, VCPU_SREG_CS) + in kvm_get_linear_rip()
11033 kvm_rip_read(vcpu)); in kvm_get_linear_rip()
11037 bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip) in kvm_is_linear_rip() argument
11039 return kvm_get_linear_rip(vcpu) == linear_rip; in kvm_is_linear_rip()
11043 unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu) in kvm_get_rflags() argument
11047 rflags = kvm_x86_ops.get_rflags(vcpu); in kvm_get_rflags()
11048 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) in kvm_get_rflags()
11054 static void __kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) in __kvm_set_rflags() argument
11056 if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP && in __kvm_set_rflags()
11057 kvm_is_linear_rip(vcpu, vcpu->arch.singlestep_rip)) in __kvm_set_rflags()
11059 kvm_x86_ops.set_rflags(vcpu, rflags); in __kvm_set_rflags()
11062 void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) in kvm_set_rflags() argument
11064 __kvm_set_rflags(vcpu, rflags); in kvm_set_rflags()
11065 kvm_make_request(KVM_REQ_EVENT, vcpu); in kvm_set_rflags()
11069 void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work) in kvm_arch_async_page_ready() argument
11073 if ((vcpu->arch.mmu->direct_map != work->arch.direct_map) || in kvm_arch_async_page_ready()
11077 r = kvm_mmu_reload(vcpu); in kvm_arch_async_page_ready()
11081 if (!vcpu->arch.mmu->direct_map && in kvm_arch_async_page_ready()
11082 work->arch.cr3 != vcpu->arch.mmu->get_guest_pgd(vcpu)) in kvm_arch_async_page_ready()
11085 kvm_mmu_do_page_fault(vcpu, work->cr2_or_gpa, 0, true); in kvm_arch_async_page_ready()
11100 static void kvm_add_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_add_async_pf_gfn() argument
11104 while (vcpu->arch.apf.gfns[key] != ~0) in kvm_add_async_pf_gfn()
11107 vcpu->arch.apf.gfns[key] = gfn; in kvm_add_async_pf_gfn()
11110 static u32 kvm_async_pf_gfn_slot(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_async_pf_gfn_slot() argument
11116 (vcpu->arch.apf.gfns[key] != gfn && in kvm_async_pf_gfn_slot()
11117 vcpu->arch.apf.gfns[key] != ~0); i++) in kvm_async_pf_gfn_slot()
11123 bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_find_async_pf_gfn() argument
11125 return vcpu->arch.apf.gfns[kvm_async_pf_gfn_slot(vcpu, gfn)] == gfn; in kvm_find_async_pf_gfn()
11128 static void kvm_del_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) in kvm_del_async_pf_gfn() argument
11132 i = j = kvm_async_pf_gfn_slot(vcpu, gfn); in kvm_del_async_pf_gfn()
11134 if (WARN_ON_ONCE(vcpu->arch.apf.gfns[i] != gfn)) in kvm_del_async_pf_gfn()
11138 vcpu->arch.apf.gfns[i] = ~0; in kvm_del_async_pf_gfn()
11141 if (vcpu->arch.apf.gfns[j] == ~0) in kvm_del_async_pf_gfn()
11143 k = kvm_async_pf_hash_fn(vcpu->arch.apf.gfns[j]); in kvm_del_async_pf_gfn()
11150 vcpu->arch.apf.gfns[i] = vcpu->arch.apf.gfns[j]; in kvm_del_async_pf_gfn()
11155 static inline int apf_put_user_notpresent(struct kvm_vcpu *vcpu) in apf_put_user_notpresent() argument
11159 return kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, &reason, in apf_put_user_notpresent()
11163 static inline int apf_put_user_ready(struct kvm_vcpu *vcpu, u32 token) in apf_put_user_ready() argument
11167 return kvm_write_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_put_user_ready()
11171 static inline bool apf_pageready_slot_free(struct kvm_vcpu *vcpu) in apf_pageready_slot_free() argument
11176 if (kvm_read_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data, in apf_pageready_slot_free()
11183 static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu) in kvm_can_deliver_async_pf() argument
11185 if (!vcpu->arch.apf.delivery_as_pf_vmexit && is_guest_mode(vcpu)) in kvm_can_deliver_async_pf()
11188 if (!kvm_pv_async_pf_enabled(vcpu) || in kvm_can_deliver_async_pf()
11189 (vcpu->arch.apf.send_user_only && kvm_x86_ops.get_cpl(vcpu) == 0)) in kvm_can_deliver_async_pf()
11195 bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu) in kvm_can_do_async_pf() argument
11197 if (unlikely(!lapic_in_kernel(vcpu) || in kvm_can_do_async_pf()
11198 kvm_event_needs_reinjection(vcpu) || in kvm_can_do_async_pf()
11199 vcpu->arch.exception.pending)) in kvm_can_do_async_pf()
11202 if (kvm_hlt_in_guest(vcpu->kvm) && !kvm_can_deliver_async_pf(vcpu)) in kvm_can_do_async_pf()
11209 return kvm_arch_interrupt_allowed(vcpu); in kvm_can_do_async_pf()
11212 bool kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, in kvm_arch_async_page_not_present() argument
11218 kvm_add_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_not_present()
11220 if (kvm_can_deliver_async_pf(vcpu) && in kvm_arch_async_page_not_present()
11221 !apf_put_user_notpresent(vcpu)) { in kvm_arch_async_page_not_present()
11228 kvm_inject_page_fault(vcpu, &fault); in kvm_arch_async_page_not_present()
11239 kvm_make_request(KVM_REQ_APF_HALT, vcpu); in kvm_arch_async_page_not_present()
11244 void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, in kvm_arch_async_page_present() argument
11249 .vector = vcpu->arch.apf.vec in kvm_arch_async_page_present()
11255 kvm_del_async_pf_gfn(vcpu, work->arch.gfn); in kvm_arch_async_page_present()
11259 kvm_pv_async_pf_enabled(vcpu) && in kvm_arch_async_page_present()
11260 !apf_put_user_ready(vcpu, work->arch.token)) { in kvm_arch_async_page_present()
11261 vcpu->arch.apf.pageready_pending = true; in kvm_arch_async_page_present()
11262 kvm_apic_set_irq(vcpu, &irq, NULL); in kvm_arch_async_page_present()
11265 vcpu->arch.apf.halted = false; in kvm_arch_async_page_present()
11266 vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; in kvm_arch_async_page_present()
11269 void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) in kvm_arch_async_page_present_queued() argument
11271 kvm_make_request(KVM_REQ_APF_READY, vcpu); in kvm_arch_async_page_present_queued()
11272 if (!vcpu->arch.apf.pageready_pending) in kvm_arch_async_page_present_queued()
11273 kvm_vcpu_kick(vcpu); in kvm_arch_async_page_present_queued()
11276 bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu) in kvm_arch_can_dequeue_async_page_present() argument
11278 if (!kvm_pv_async_pf_enabled(vcpu)) in kvm_arch_can_dequeue_async_page_present()
11281 return kvm_lapic_enabled(vcpu) && apf_pageready_slot_free(vcpu); in kvm_arch_can_dequeue_async_page_present()
11378 bool kvm_arch_no_poll(struct kvm_vcpu *vcpu) in kvm_arch_no_poll() argument
11380 return (vcpu->arch.msr_kvm_poll_control & 1) == 0; in kvm_arch_no_poll()
11411 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
11418 vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, &fault) != UNMAPPED_GVA) { in kvm_fixup_and_inject_pf_error()
11420 * If vcpu->arch.walk_mmu->gva_to_gpa succeeded, the page in kvm_fixup_and_inject_pf_error()
11430 vcpu->arch.walk_mmu->inject_page_fault(vcpu, &fault); in kvm_fixup_and_inject_pf_error()
11439 int kvm_handle_memory_failure(struct kvm_vcpu *vcpu, int r, in kvm_handle_memory_failure() argument
11443 kvm_inject_emulated_page_fault(vcpu, e); in kvm_handle_memory_failure()
11454 vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; in kvm_handle_memory_failure()
11455 vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; in kvm_handle_memory_failure()
11456 vcpu->run->internal.ndata = 0; in kvm_handle_memory_failure()
11462 int kvm_handle_invpcid(struct kvm_vcpu *vcpu, unsigned long type, gva_t gva) in kvm_handle_invpcid() argument
11474 r = kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e); in kvm_handle_invpcid()
11476 return kvm_handle_memory_failure(vcpu, r, &e); in kvm_handle_invpcid()
11479 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11483 pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE); in kvm_handle_invpcid()
11488 is_noncanonical_address(operand.gla, vcpu)) { in kvm_handle_invpcid()
11489 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11492 kvm_mmu_invpcid_gva(vcpu, operand.gla, operand.pcid); in kvm_handle_invpcid()
11493 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()
11497 kvm_inject_gp(vcpu, 0); in kvm_handle_invpcid()
11501 if (kvm_get_active_pcid(vcpu) == operand.pcid) { in kvm_handle_invpcid()
11502 kvm_mmu_sync_roots(vcpu); in kvm_handle_invpcid()
11503 kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); in kvm_handle_invpcid()
11507 if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].pgd) in kvm_handle_invpcid()
11511 kvm_mmu_free_roots(vcpu, vcpu->arch.mmu, roots_to_free); in kvm_handle_invpcid()
11518 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()
11530 kvm_make_request(KVM_REQ_MMU_RELOAD, vcpu); in kvm_handle_invpcid()
11531 return kvm_skip_emulated_instruction(vcpu); in kvm_handle_invpcid()