On 06/05/20 15:27, Tom Lendacky wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198
> 
> Under SEV-ES, a IOIO_PROT intercept generates a #VC exception. VMGEXIT
> must be used to allow the hypervisor to handle this intercept.
> 
> Add support to construct the required GHCB values to support a IOIO_PROT
> NAE event.  Parse the instruction that generated the #VC exception,
> setting the required register values in the GHCB and creating the proper
> SW_EXITINFO1 value in the GHCB.
> 
> Cc: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: Laszlo Ersek <ler...@redhat.com>
> Cc: Ard Biesheuvel <ard.biesheu...@arm.com>
> Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
> ---
>  OvmfPkg/Include/IndustryStandard/InstructionParsing.h |  83 +++
>  OvmfPkg/Library/VmgExitLib/VmgExitVcHandler.c         | 560 
> +++++++++++++++++++-
>  2 files changed, 629 insertions(+), 14 deletions(-)

Looks good, thanks for the updates.

Acked-by: Laszlo Ersek <ler...@redhat.com>



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