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From: Joerg Roedel <joro@8bytes.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	Brijesh Singh <brijesh.singh@amd.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-coco@lists.linux.dev, Joerg Roedel <jroedel@suse.de>
Subject: [PATCH v2 4/4] KVM: SVM: Increase supported GHCB protocol version
Date: Thu, 22 Jul 2021 13:52:45 +0200	[thread overview]
Message-ID: <20210722115245.16084-5-joro@8bytes.org> (raw)
In-Reply-To: <20210722115245.16084-1-joro@8bytes.org>

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(-)

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
-- 
2.31.1


      parent reply	other threads:[~2021-07-22 11:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-22 11:52 [PATCH v2 0/4] KVM: SVM: Add initial GHCB protocol version 2 support Joerg Roedel
2021-07-22 11:52 ` [PATCH v2 1/4] KVM: SVM: Get rid of *ghcb_msr_bits() functions Joerg Roedel
2021-09-01 21:12   ` Sean Christopherson
2021-09-01 21:31     ` Sean Christopherson
2021-09-09 13:22       ` Joerg Roedel
2021-09-09 13:32     ` Joerg Roedel
2021-09-20 16:10       ` Sean Christopherson
2021-07-22 11:52 ` [PATCH v2 2/4] KVM: SVM: Add support to handle AP reset MSR protocol Joerg Roedel
2021-09-01 21:45   ` Sean Christopherson
2021-07-22 11:52 ` [PATCH v2 3/4] KVM: SVM: Add support for Hypervisor Feature support " Joerg Roedel
2021-07-22 12:01   ` [PATCH v2.1 " Joerg Roedel
2021-09-01 22:41     ` Sean Christopherson
2021-07-22 11:52 ` Joerg Roedel [this message]

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