diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-09-05 09:52:10 +0100 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-09-06 15:40:49 +0100 |
| commit | 5c1b371a8839f970a45df3342529d034524f2507 (patch) | |
| tree | ab7b5924c024d13ca40721eb1caa4c400cb3a5a0 /MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h | |
| parent | df0a0e4b6fae7cef3a652e0d52f0e6753d1f3f54 (diff) | |
| download | edk2-platforms-5c1b371a8839f970a45df3342529d034524f2507.tar.xz | |
MdeModulePkg/XhciDxe: enable 64-bit PCI DMA
PCI controller drivers must set the EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE
attribute if the controller supports 64-bit DMA addressing.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Feng Tian <feng.tian@Intel.com>
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h index 7999151b3f..0f53bb0eff 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h @@ -256,6 +256,8 @@ struct _USB_XHCI_INSTANCE { // The array supports up to 255 devices, entry 0 is reserved and should not be used.
//
USB_DEV_CONTEXT UsbDevContext[256];
+
+ BOOLEAN Support64BitDma; // Whether 64 bit DMA may be used with this device
};
|