Enable IOSpace & Bus-Mastering PCI attributes when device is started. Note that original PCI attributes is restored when device is stopped.
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2567 Reviewed-by: Nikita Leshenko <nikita.leshche...@oracle.com> Signed-off-by: Liran Alon <liran.a...@oracle.com> --- OvmfPkg/PvScsiDxe/PvScsi.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/OvmfPkg/PvScsiDxe/PvScsi.c b/OvmfPkg/PvScsiDxe/PvScsi.c index 92e0f4a98965..ff6b50b7020f 100644 --- a/OvmfPkg/PvScsiDxe/PvScsi.c +++ b/OvmfPkg/PvScsiDxe/PvScsi.c @@ -309,6 +309,20 @@ PvScsiSetPCIAttributes ( return Status; } + // + // Enable IOSpace & 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; } -- 2.20.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#55882): https://edk2.groups.io/g/devel/message/55882 Mute This Topic: https://groups.io/mt/72001284/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
