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Peter Anvin" , Paolo Bonzini , x86@kernel.org, David Edmondson Subject: [PATCH 1/2] KVM: x86: Add kvm_x86_ops.get_exit_reason Date: Mon, 28 Jun 2021 18:31:51 +0100 Message-Id: <20210628173152.2062988-2-david.edmondson@oracle.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210628173152.2062988-1-david.edmondson@oracle.com> References: <20210628173152.2062988-1-david.edmondson@oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For later use. Signed-off-by: David Edmondson --- arch/x86/include/asm/kvm-x86-ops.h | 1 + arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/svm/svm.c | 6 ++++++ arch/x86/kvm/vmx/vmx.c | 6 ++++++ 4 files changed, 14 insertions(+) diff --git a/arch/x86/include/asm/kvm-x86-ops.h b/arch/x86/include/asm/kvm-x86-ops.h index a12a4987154e..afb0917497c1 100644 --- a/arch/x86/include/asm/kvm-x86-ops.h +++ b/arch/x86/include/asm/kvm-x86-ops.h @@ -85,6 +85,7 @@ KVM_X86_OP_NULL(sync_pir_to_irr) KVM_X86_OP(set_tss_addr) KVM_X86_OP(set_identity_map_addr) KVM_X86_OP(get_mt_mask) +KVM_X86_OP(get_exit_reason) KVM_X86_OP(load_mmu_pgd) KVM_X86_OP_NULL(has_wbinvd_exit) KVM_X86_OP(get_l2_tsc_offset) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 974cbfb1eefe..0ee580c68839 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1365,6 +1365,7 @@ struct kvm_x86_ops { int (*set_tss_addr)(struct kvm *kvm, unsigned int addr); int (*set_identity_map_addr)(struct kvm *kvm, u64 ident_addr); u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); + u64 (*get_exit_reason)(struct kvm_vcpu *vcpu); void (*load_mmu_pgd)(struct kvm_vcpu *vcpu, hpa_t root_hpa, int root_level); diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 616b9679ddcc..408c854b4ac9 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -4009,6 +4009,11 @@ static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) return 0; } +static u64 svm_get_exit_reason(struct kvm_vcpu *vcpu) +{ + return to_svm(vcpu)->vmcb->control.exit_code; +} + static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); @@ -4573,6 +4578,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = { .set_tss_addr = svm_set_tss_addr, .set_identity_map_addr = svm_set_identity_map_addr, .get_mt_mask = svm_get_mt_mask, + .get_exit_reason = svm_get_exit_reason, .get_exit_info = svm_get_exit_info, diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 927a552393b9..a19b006c287a 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6997,6 +6997,11 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) return (cache << VMX_EPT_MT_EPTE_SHIFT) | ipat; } +static u64 vmx_get_exit_reason(struct kvm_vcpu *vcpu) +{ + return to_vmx(vcpu)->exit_reason.basic; +} + static void vmcs_set_secondary_exec_control(struct vcpu_vmx *vmx) { /* @@ -7613,6 +7618,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = { .set_tss_addr = vmx_set_tss_addr, .set_identity_map_addr = vmx_set_identity_map_addr, .get_mt_mask = vmx_get_mt_mask, + .get_exit_reason = vmx_get_exit_reason, .get_exit_info = vmx_get_exit_info, -- 2.30.2