KVM: SEV: Add support to handle AP reset MSR protocol
authorTom Lendacky <thomas.lendacky@amd.com>
Wed, 1 May 2024 07:10:45 +0000 (02:10 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 7 May 2024 17:28:03 +0000 (13:28 -0400)
commitd916f00316b206255164392eeb2aca5f87cdb18a
tree2d677822b79ccc16a1e8c8c653c848cf1708c3bf
parenta96cb3bf390eebfead5fc7a2092f8452a7997d1b
KVM: SEV: Add support to handle AP reset MSR protocol

Add support for AP Reset Hold being invoked using the GHCB MSR protocol,
available in version 2 of the GHCB specification.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Message-ID: <20240501071048.2208265-2-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/sev-common.h
arch/x86/kvm/svm/sev.c
arch/x86/kvm/svm/svm.h