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Subject[PATCH v2 0/4] KVM: SVM: Add initial GHCB protocol version 2 support
Date
From: Joerg Roedel <jroedel@suse.de>

Hi,

here is a small set of patches which I took from the pending SEV-SNP
patch-sets to enable basic support for GHCB protocol version 2.

When SEV-SNP is not supported, only two new MSR protocol VMGEXIT calls
need to be supported:

- MSR-based AP-reset-hold
- MSR-based HV-feature-request

These calls are implemented by 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.

Regards,

Joerg

Changes v1->v2:

- Rebased to v5.14-rc2
- Addressed Sean's review comments from the SNP patch-set.

Brijesh Singh (2):
KVM: SVM: Add support for Hypervisor Feature support MSR protocol
KVM: SVM: Increase supported GHCB protocol version

Joerg Roedel (1):
KVM: SVM: Get rid of *ghcb_msr_bits() functions

Tom Lendacky (1):
KVM: SVM: Add support to handle AP reset MSR protocol

arch/x86/include/asm/kvm_host.h | 10 ++-
arch/x86/include/asm/sev-common.h | 14 ++++
arch/x86/include/asm/svm.h | 1 -
arch/x86/include/uapi/asm/svm.h | 1 +
arch/x86/kvm/svm/sev.c | 107 ++++++++++++++++++++----------
arch/x86/kvm/svm/svm.h | 3 +-
arch/x86/kvm/x86.c | 5 +-
7 files changed, 103 insertions(+), 38 deletions(-)


base-commit: 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
--
2.31.1

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