On Fri, Mar 08, 2024 at 09:29:43AM -0600, Tom Lendacky wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4654 > > Add initial support for the new AmdSvsmLib library to OvmfPkg. The initial > implementation fully implements the library interfaces. > > The SVSM presence check, AmdSvsmIsSvsmPresent(), determines the presence > of an SVSM by checking if an SVSM has been advertised in the SEV-SNP > Secrets Page. > > The VMPL API, AmdSvsmSnpGetVmpl(), returns the VMPL level at which OVMF is > currently running. > > The CAA API, AmdSvsmSnpGetCaa(), returns the Calling Area Address when an > SVSM is present, 0 otherwise. > > The PVALIDATE API, AmdSvsmSnpPvalidate(), copies the PVALIDATE logic from > the BaseMemEncryptSevLib library for the initial implementation. The > BaseMemEncryptSevLib library will be changed to use this new API so that > the decision as to whether the SVSM is needed to perform the operation > can be isolated to this library. > > The VMSA API, AmdSvsmSnpVmsaRmpAdjust(), copies the RMPUPDATE logic from > the MpInitLib library for the initial implementation. The MpInitLib > library will be changed to use this new API so that the decision as to > whether the SVSM is needed to perform the operation can be isolated to > this library. > > Cc: Anatol Belski <anbel...@linux.microsoft.com> > Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> > Cc: Erdem Aktas <erdemak...@google.com> > Cc: Gerd Hoffmann <kra...@redhat.com> > Cc: Jianyong Wu <jianyong...@arm.com> > Cc: Jiewen Yao <jiewen....@intel.com> > Cc: Laszlo Ersek <ler...@redhat.com> > Cc: Michael Roth <michael.r...@amd.com> > Cc: Min Xu <min.m...@intel.com> > Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
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