On Fri, Aug 31, 2012 at 07:29:50PM +0000, Paolo wrote: > As newbie to the pcie world, I'm seeking help for understanding this: > > How does the bios during enumeration finds whether BAR0/1 is set for pointing to > the config-space of its function or to memory space for memory transactions? BARs point to either memory or I/O space (discriminated by the bottom bit of the register). They never point to config space (indeed, since they are found in config space, that wouldn't make sense). -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- 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
