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| author | Brijesh Singh <brijesh.singh@amd.com> | 2017-08-14 07:36:23 -0400 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2017-08-15 21:20:16 +0200 |
| commit | 78ef454b8c6108d330e066653039ad824cc041f1 (patch) | |
| tree | 026b8f5fa9f6b20972133a18f9908d6a933e2689 /OvmfPkg/VirtioPciDeviceDxe | |
| parent | af0364f01e8cac95afad01437f13beef90f6640b (diff) | |
| download | edk2-78ef454b8c6108d330e066653039ad824cc041f1.tar.gz edk2-78ef454b8c6108d330e066653039ad824cc041f1.tar.bz2 edk2-78ef454b8c6108d330e066653039ad824cc041f1.zip | |
OvmfPkg/VirtioPciDeviceDxe: supply missing BUS_MASTER attribute
Virtio devices read and write guest RAM (they don't just decode their IO
and/or MMIO BARs), which translates to "bus master".
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
[lersek@redhat.com: expand commit message body]
[lersek@redhat.com: fix up line breaking style (original code too)]
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'OvmfPkg/VirtioPciDeviceDxe')
| -rw-r--r-- | OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c b/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c index bc4f6fe8bf..8aae58e8b4 100644 --- a/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c +++ b/OvmfPkg/VirtioPciDeviceDxe/VirtioPciDevice.c @@ -458,9 +458,13 @@ VirtioPciDeviceBindingStart ( goto ClosePciIo;
}
- Status = Device->PciIo->Attributes (Device->PciIo,
- EfiPciIoAttributeOperationEnable,
- EFI_PCI_IO_ATTRIBUTE_IO, NULL);
+ Status = Device->PciIo->Attributes (
+ Device->PciIo,
+ EfiPciIoAttributeOperationEnable,
+ (EFI_PCI_IO_ATTRIBUTE_IO |
+ EFI_PCI_IO_ATTRIBUTE_BUS_MASTER),
+ NULL
+ );
if (EFI_ERROR (Status)) {
goto ClosePciIo;
}
|