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Tue, 11 Apr 2023 07:57:54 -0500 From: Alexey Kardashevskiy To: CC: , , Tom Lendacky , Sean Christopherson , "Pankaj Gupta" , Nikunj A Dadhania , "Santosh Shukla" , Carlos Bilbao , Alexey Kardashevskiy Subject: [PATCH kernel v5 1/6] KVM: SEV: move set_dr_intercepts/clr_dr_intercepts from the header Date: Tue, 11 Apr 2023 22:57:13 +1000 Message-ID: <20230411125718.2297768-2-aik@amd.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230411125718.2297768-1-aik@amd.com> References: <20230411125718.2297768-1-aik@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT108:EE_|MW3PR12MB4489:EE_ X-MS-Office365-Filtering-Correlation-Id: 43e13825-4d49-4e59-91ec-08db3a8c60c5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Apr 2023 12:57:59.4887 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 43e13825-4d49-4e59-91ec-08db3a8c60c5 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT108.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4489 X-Spam-Status: No, score=0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Static functions set_dr_intercepts() and clr_dr_intercepts() are only called from SVM so move them to .c. No functional change intended. Signed-off-by: Alexey Kardashevskiy Reviewed-by: Carlos Bilbao Reviewed-by: Tom Lendacky Reviewed-by: Santosh Shukla --- Changes: v5: * new in the series --- arch/x86/kvm/svm/svm.h | 42 -------------------- arch/x86/kvm/svm/svm.c | 42 ++++++++++++++++++++ 2 files changed, 42 insertions(+), 42 deletions(-) diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 839809972da1..4deec59be71b 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -403,48 +403,6 @@ static inline bool vmcb12_is_intercept(struct vmcb_ctrl_area_cached *control, u3 return test_bit(bit, (unsigned long *)&control->intercepts); } -static inline void set_dr_intercepts(struct vcpu_svm *svm) -{ - struct vmcb *vmcb = svm->vmcb01.ptr; - - if (!sev_es_guest(svm->vcpu.kvm)) { - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE); - } - - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE); - - recalc_intercepts(svm); -} - -static inline void clr_dr_intercepts(struct vcpu_svm *svm) -{ - struct vmcb *vmcb = svm->vmcb01.ptr; - - vmcb->control.intercepts[INTERCEPT_DR] = 0; - - /* DR7 access must remain intercepted for an SEV-ES guest */ - if (sev_es_guest(svm->vcpu.kvm)) { - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ); - vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE); - } - - recalc_intercepts(svm); -} - static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit) { struct vmcb *vmcb = svm->vmcb01.ptr; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index a1b08359769b..1e1c1eb13392 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -687,6 +687,48 @@ static int svm_cpu_init(int cpu) } +static void set_dr_intercepts(struct vcpu_svm *svm) +{ + struct vmcb *vmcb = svm->vmcb01.ptr; + + if (!sev_es_guest(svm->vcpu.kvm)) { + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE); + } + + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE); + + recalc_intercepts(svm); +} + +static void clr_dr_intercepts(struct vcpu_svm *svm) +{ + struct vmcb *vmcb = svm->vmcb01.ptr; + + vmcb->control.intercepts[INTERCEPT_DR] = 0; + + /* DR7 access must remain intercepted for an SEV-ES guest */ + if (sev_es_guest(svm->vcpu.kvm)) { + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ); + vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE); + } + + recalc_intercepts(svm); +} + static int direct_access_msr_slot(u32 msr) { u32 i; -- 2.39.1