On 03/25/20 17:09, Liran Alon wrote: > Enable MMIO-Space & Bus-Mastering PCI attributes when device is started. > Note that original PCI attributes are restored when device is stopped. > > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567 > Signed-off-by: Liran Alon <liran.a...@oracle.com> > --- > OvmfPkg/PvScsiDxe/PvScsi.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/OvmfPkg/PvScsiDxe/PvScsi.c b/OvmfPkg/PvScsiDxe/PvScsi.c > index 5566b4cce467..531bed4e5ab7 100644 > --- a/OvmfPkg/PvScsiDxe/PvScsi.c > +++ b/OvmfPkg/PvScsiDxe/PvScsi.c > @@ -305,8 +305,18 @@ PvScsiSetPciAttributes ( > } > > // > - // TODO: Change PCI Attributes > + // Enable MMIO-Space & Bus-Mastering > // > + Status = Dev->PciIo->Attributes ( > + Dev->PciIo, > + EfiPciIoAttributeOperationEnable, > + (EFI_PCI_IO_ATTRIBUTE_MEMORY | > + EFI_PCI_IO_ATTRIBUTE_BUS_MASTER), > + NULL > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > > return EFI_SUCCESS; > } >
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