Re: [PATCH v9 13/46] OvmfPkg/VmgExitLib: Add support for IOIO_PROT NAE events

["Laszlo Ersek" <lersek@redhat.com>]

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.justen@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
> Signed-off-by: Tom Lendacky <thomas.lendacky@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 <lersek@redhat.com>