sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix bugs in the PCI bus driver to support SR-IOV.

Browse Source 
1. Expand the type of Offset in the _PCI_BAR structure from UINT8 to UINT16, because a VF BAR’s offset may be >= 0x100;
2. Enable ARI Capable Hierarchy for SR-IOV devices at earlier time because FirstVFOffset and VFStride of a SR-IOV device may change after its ARI Capable Hierarchy is set;
3. Change type of PcdSrIovSupport, PcdAriSupport, PcdMrIovSupport from FeatureFlag to [FixAtBuild, PcdDynamics], which allows SR-IOV/MR-IOV/ARI feature can be turn on/off dynamically, typically via a setup option.
4. Change PCI bus scan algorithm in PciScanBus() to prevent the case where some ARI extended functions may be skipped in the scan loop.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10644 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3
2010-07-13 01:58:47 +00:00
parent 78c0686bde
commit d40483911c
6 changed files with 295 additions and 234 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
View File

@@ -100,13 +100,13 @@
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdPciBusHotplugDeviceSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdSrIovSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdAriSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdMrIovSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdPciBridgeIoAlignmentProbe
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdSrIovSystemPageSize
gEfiMdeModulePkgTokenSpaceGuid.PcdSrIovSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdAriSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdMrIovSupport
# [Event]
# ##