On Wed, Oct 31, 2012 at 4:02 AM, fpaolo63 <fpaolo63@xxxxxxxxx> wrote: > Hi guru, > > I'm working on a multi socket intel xeon platform. > > We have 2 sockets and each socket has a PCIe RootComplex, and we'd to > implement hw with 2 separated PCIe tree. > > Can Linux kernel handle the 2 RC assigning a PCIe domain each one? > > Do we need special BIOS in order to configure correctly the 2 sockets, QDPI > channel, MMIO and MMU? > > Can some one point me to one example or documents? Yes, Linux supports multiple PCI domains (also known as PCI segment groups). On x86, the BIOS should provide a ACPI PNP0A08/PNP0A03 device for each root complex. See drivers/acpi/pci_root.c for details. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
