Re: [edk2-devel] [PATCH] OvmfPkg/IoMmuDxe: Provide an implementation for SetAttribute

["Min Xu" <min.m.xu@intel.com>]

On Wednesday, January 31, 2024 5:33 AM, Laszlo Ersek wrote:
> On 1/30/24 18:15, Tom Lendacky wrote:
> > A recent change to the PciIoMap() function now propagates the return
> > code from the IoMmu protocol SetAttribute() operation. The
> > implementation of this operation in OvmfPkg/IoMmuDxe/CcIoMmu.c
> returns
> > EFI_UNSUPPORTED, resulting in a failure to boot the guest.
> >
> > Provide an implementation for SetAttribute() that validates the IoMmu
> > access method being requested against the IoMmu mapping operation.
> >
> > Suggested-by: Laszlo Ersek <lersek@redhat.com>
> > Reviewed-by: Laszlo Ersek <lersek@redhat.com>
> > Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
> > ---
> >  OvmfPkg/IoMmuDxe/CcIoMmu.c | 55 +++++++++++++++++++-
> >  1 file changed, 53 insertions(+), 2 deletions(-)
> 
> Thanks -- I'd like Min or Jiewen to approve this, then I'm glad to merge it.
> 
We have tested the patch in TDX and it works.

Thanks
Min


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#114846): https://edk2.groups.io/g/devel/message/114846
Mute This Topic: https://groups.io/mt/104058148/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-