mirror of https://gitee.com/openkylin/linux.git
KVM: SVM: Append "_enabled" to module-scoped SEV/SEV-ES control variables
Rename sev and sev_es to sev_enabled and sev_es_enabled respectively to better align with other KVM terminology, and to avoid pseudo-shadowing when the variables are moved to sev.c in a future patch ('sev' is often used for local struct kvm_sev_info pointers. No functional change intended. Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20210422021125.3417167-8-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -45,12 +45,12 @@
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#endif
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/* enable/disable SEV support */
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static int sev = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
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module_param(sev, int, 0444);
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static bool sev_enabled = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
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module_param_named(sev, sev_enabled, bool, 0444);
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/* enable/disable SEV-ES support */
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static int sev_es = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
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module_param(sev_es, int, 0444);
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static bool sev_es_enabled = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
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module_param_named(sev_es, sev_es_enabled, bool, 0444);
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static u8 sev_enc_bit;
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static int sev_flush_asids(void);
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@ -1495,7 +1495,7 @@ int svm_mem_enc_op(struct kvm *kvm, void __user *argp)
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struct kvm_sev_cmd sev_cmd;
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int r;
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if (!svm_sev_enabled() || !sev)
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if (!svm_sev_enabled() || !sev_enabled)
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return -ENOTTY;
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if (!argp)
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@ -1514,7 +1514,7 @@ int svm_mem_enc_op(struct kvm *kvm, void __user *argp)
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switch (sev_cmd.id) {
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case KVM_SEV_ES_INIT:
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if (!sev_es) {
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if (!sev_es_enabled) {
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r = -ENOTTY;
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goto out;
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}
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@ -1809,9 +1809,9 @@ void sev_vm_destroy(struct kvm *kvm)
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void __init sev_set_cpu_caps(void)
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{
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if (!sev)
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if (!sev_enabled)
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kvm_cpu_cap_clear(X86_FEATURE_SEV);
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if (!sev_es)
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if (!sev_es_enabled)
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kvm_cpu_cap_clear(X86_FEATURE_SEV_ES);
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}
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@ -1821,7 +1821,7 @@ void __init sev_hardware_setup(void)
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bool sev_es_supported = false;
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bool sev_supported = false;
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if (!IS_ENABLED(CONFIG_KVM_AMD_SEV) || !sev || !npt_enabled)
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if (!IS_ENABLED(CONFIG_KVM_AMD_SEV) || !sev_enabled || !npt_enabled)
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goto out;
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/* Does the CPU support SEV? */
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@ -1864,7 +1864,7 @@ void __init sev_hardware_setup(void)
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sev_supported = true;
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/* SEV-ES support requested? */
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if (!sev_es)
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if (!sev_es_enabled)
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goto out;
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/* Does the CPU support SEV-ES? */
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@ -1883,8 +1883,8 @@ void __init sev_hardware_setup(void)
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sev_es_supported = true;
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out:
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sev = sev_supported;
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sev_es = sev_es_supported;
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sev_enabled = sev_supported;
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sev_es_enabled = sev_es_supported;
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}
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void sev_hardware_teardown(void)
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