linux-kernel - [PATCH Part2 RFC v2 37/37] KVM: SVM: Advertise the SEV-SNP feature support

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Date:   Fri, 30 Apr 2021 07:38:22 -0500
From:   Brijesh Singh <brijesh.singh@....com>
To:     x86@...nel.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     tglx@...utronix.de, bp@...en8.de, jroedel@...e.de,
        thomas.lendacky@....com, pbonzini@...hat.com, mingo@...hat.com,
        dave.hansen@...el.com, rientjes@...gle.com, seanjc@...gle.com,
        peterz@...radead.org, hpa@...or.com, tony.luck@...el.com,
        Brijesh Singh <brijesh.singh@....com>
Subject: [PATCH Part2 RFC v2 37/37] KVM: SVM: Advertise the SEV-SNP feature support

Now that KVM supports all the VMGEXIT NAEs required for the base SEV-SNP
feature, set the hypervisor feature to advertise it.

Signed-off-by: Brijesh Singh <brijesh.singh@....com>
---
 arch/x86/kvm/svm/svm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index ecd466721c23..f344ffd5afd6 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -553,7 +553,7 @@ void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);
 #define GHCB_VERSION_MAX	2ULL
 #define GHCB_VERSION_MIN	1ULL
 
-#define GHCB_HV_FEATURES_SUPPORTED	0
+#define GHCB_HV_FEATURES_SUPPORTED	GHCB_HV_FEATURES_SNP
 
 extern unsigned int max_sev_asid;
 
-- 
2.17.1