On 03/25/20 17:10, Liran Alon wrote: > Enable PCI dual-address cycle attribute to signal device > supports 64-bit DMA addresses. > > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567 > Signed-off-by: Liran Alon <liran.a...@oracle.com> > --- > OvmfPkg/PvScsiDxe/PvScsi.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/OvmfPkg/PvScsiDxe/PvScsi.c b/OvmfPkg/PvScsiDxe/PvScsi.c > index 42a18494efb7..3aea5c7f8eda 100644 > --- a/OvmfPkg/PvScsiDxe/PvScsi.c > +++ b/OvmfPkg/PvScsiDxe/PvScsi.c > @@ -836,6 +836,29 @@ PvScsiSetPciAttributes ( > return Status; > } > > + // > + // Signal device supports 64-bit DMA addresses > + // > + Status = Dev->PciIo->Attributes ( > + Dev->PciIo, > + EfiPciIoAttributeOperationEnable, > + EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE, > + NULL > + ); > + if (EFI_ERROR (Status)) { > + // > + // Warn user that device will only be using 32-bit DMA addresses. > + // > + // Note that this does not prevent the device/driver from working > + // and therefore we only warn and continue as usual. > + // > + DEBUG (( > + DEBUG_WARN, > + "%a: failed to enable 64-bit DMA addresses\n", > + __FUNCTION__ > + )); > + } > + > return EFI_SUCCESS; > } > >
Reviewed-by: Laszlo Ersek <ler...@redhat.com> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#56426): https://edk2.groups.io/g/devel/message/56426 Mute This Topic: https://groups.io/mt/72544182/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
