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>,
x86@kernel.org, Brijesh Singh <brijesh.singh@amd.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Joerg Roedel <jroedel@suse.de>
Subject: [PATCH v6 0/7] KVM: SVM: Add initial GHCB protocol version 2 support
Date: Tue, 25 Jan 2022 15:16:19 +0100 [thread overview]
Message-ID: <20220125141626.16008-1-joro@8bytes.org> (raw)
From: Joerg Roedel <jroedel@suse.de>
Hi,
here is a small set of patches which I originally took from the
pending SEV-SNP patch-sets to enable basic support for GHCB protocol
version 2. Meanwhile a couple of other patches from Sean
Christopherson have been added.
When SEV-SNP is not supported, only two new MSR protocol VMGEXIT calls
are required:
- MSR-based AP-reset-hold
- MSR-based HV-feature-request
These calls are implemented here and then the protocol is lifted to
version 2.
This is submitted separately because the MSR-based AP-reset-hold call
is required to support kexec/kdump in SEV-ES guests.
The previous version can be found here:
https://lore.kernel.org/kvm/20211020124416.24523-1-joro@8bytes.org/
Regards,
Joerg
Changes v5->v6:
- Rebased to v5.17-rc1
- Added changes requested by Sean Christopherson
Brijesh Singh (2):
KVM: SVM: Add support for Hypervisor Feature support MSR protocol
KVM: SVM: Increase supported GHCB protocol version
Joerg Roedel (2):
KVM: SVM: Get rid of set_ghcb_msr() and *ghcb_msr_bits() functions
KVM: SVM: Move kvm_emulate_ap_reset_hold() to AMD specific code
Sean Christopherson (2):
KVM: SVM: Add helper to generate GHCB MSR verson info, and drop macro
KVM: SVM: Set "released" on INIT-SIPI iff SEV-ES vCPU was in AP reset
hold
Tom Lendacky (1):
KVM: SVM: Add support to handle AP reset MSR protocol
arch/x86/include/asm/kvm_host.h | 2 +-
arch/x86/include/asm/sev-common.h | 18 ++--
arch/x86/include/uapi/asm/svm.h | 1 +
arch/x86/kvm/svm/sev.c | 169 ++++++++++++++++++++----------
arch/x86/kvm/svm/svm.c | 13 ++-
arch/x86/kvm/svm/svm.h | 10 +-
arch/x86/kvm/x86.c | 12 +--
7 files changed, 137 insertions(+), 88 deletions(-)
base-commit: e783362eb54cd99b2cac8b3a9aeac942e6f6ac07
--
2.34.1
next reply other threads:[~2022-01-25 14:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 14:16 Joerg Roedel [this message]
2022-01-25 14:16 ` [PATCH v6 1/7] KVM: SVM: Get rid of set_ghcb_msr() and *ghcb_msr_bits() functions Joerg Roedel
2022-01-25 14:16 ` [PATCH v6 2/7] KVM: SVM: Add helper to generate GHCB MSR verson info, and drop macro Joerg Roedel
2022-01-25 14:16 ` [PATCH v6 3/7] KVM: SVM: Move kvm_emulate_ap_reset_hold() to AMD specific code Joerg Roedel
2022-01-25 14:16 ` [PATCH v6 4/7] KVM: SVM: Set "released" on INIT-SIPI iff SEV-ES vCPU was in AP reset hold Joerg Roedel
2022-01-25 14:16 ` [PATCH v6 5/7] KVM: SVM: Add support to handle AP reset MSR protocol Joerg Roedel
2022-01-25 14:16 ` [PATCH v6 6/7] KVM: SVM: Add support for Hypervisor Feature support " Joerg Roedel
2022-01-25 14:16 ` [PATCH v6 7/7] KVM: SVM: Increase supported GHCB protocol version Joerg Roedel
2022-02-25 10:40 ` [PATCH v6 0/7] KVM: SVM: Add initial GHCB protocol version 2 support Joerg Roedel
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