: [edk2-devel] [PATCH v3] IntelSiliconPkg/IntelVTdDxe: Support Multi PCI
Root Bus
Some system may has multi PCI root bus. It needs to use PciRootBridgeIo
protocol to get the root bus count. Scan each root bus to get all devices.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3695
Signed-off-by
Wei,
> + if (EFI_ERROR (Status)) {
> +//
> +// If PciRootBridgeIo protocol is not support, scan PCI device from root
> bus 0x00.
> +//
> +Status = ScanPciBus(Context, Segment, 0x00, Callback);
1. Is the error handling necessary?
In a simple client platform, there is only one Pci
Some system may has multi PCI root bus. It needs to use PciRootBridgeIo
protocol to get the root bus count. Scan each root bus to get all devices.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3695
Signed-off-by: Robert Kowalewski
Signed-off-by: Sheng Wei
Cc: Jenny Huang
Cc: Ray Ni
Cc:
