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[v2,4/4] KVM: SVM: Increase supported GHCB protocol version

Message ID 20210722115245.16084-5-joro@8bytes.org (mailing list archive)
State New, archived
Headers show
Series KVM: SVM: Add initial GHCB protocol version 2 support | expand

Commit Message

Joerg Roedel July 22, 2021, 11:52 a.m. UTC
From: Brijesh Singh <brijesh.singh@amd.com>

Now that KVM has basic support for version 2 of the GHCB specification,
bump the maximum supported protocol version. The SNP specific functions
are still missing, but those are only required when the Hypervisor
supports running SNP guests.

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

diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 9cafeba3340e..84580dc90c97 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -547,7 +547,7 @@  void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);
 
 /* sev.c */
 
-#define GHCB_VERSION_MAX	1ULL
+#define GHCB_VERSION_MAX	2ULL
 #define GHCB_VERSION_MIN	1ULL
 
 #define GHCB_HV_FT_SUPPORTED	0