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authorjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2012-10-08 07:33:37 +0000
committerjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2012-10-08 07:33:37 +0000
commite06a4cd134064590aa1a855ff4b973023279e805 (patch)
tree0947a5be11f3698516f8143b601048aaeaef8a7f
parentec01afdbbf13c5f40a64f995a95e5ce26e0c1bc2 (diff)
downloadedk2-platforms-e06a4cd134064590aa1a855ff4b973023279e805.tar.xz
OvmfPkg: QemuBootOrder: recognize virtio-blk OFW device paths
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13801 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--OvmfPkg/Library/PlatformBdsLib/QemuBootOrder.c26
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;
}