diff options
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c b/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c index 4a33396512..9807039f2f 100644 --- a/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c +++ b/OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c @@ -606,6 +606,32 @@ TranslateOfwNodes ( PciDevFun[1],
AcpiUid
);
+ } else if (NumNodes >= 3 &&
+ SubstringEq (OfwNode[1].DriverName, "scsi") &&
+ SubstringEq (OfwNode[2].DriverName, "disk")
+ ) {
+ //
+ // OpenFirmware device path (virtio-blk disk):
+ //
+ // /pci@i0cf8/scsi@6[,3]/disk@0,0
+ // ^ ^ ^ ^ ^
+ // | | | fixed
+ // | | PCI function corresponding to disk (optional)
+ // | PCI slot holding disk
+ // PCI root at system bus port, PIO
+ //
+ // UEFI device path prefix:
+ //
+ // PciRoot(0x0)/Pci(0x6,0x0)/HD( -- if PCI function is 0 or absent
+ // PciRoot(0x0)/Pci(0x6,0x3)/HD( -- if PCI function is present and nonzero
+ //
+ Written = UnicodeSPrintAsciiFormat (
+ Translated,
+ *TranslatedSize * sizeof (*Translated), // BufferSize in bytes
+ "PciRoot(0x0)/Pci(0x%x,0x%x)/HD(",
+ PciDevFun[0],
+ PciDevFun[1]
+ );
} else {
return RETURN_UNSUPPORTED;
}
|