On Tue, Oct 21, 2014 at 1:30 PM, Kevin Wilson <wkevils@xxxxxxxxx> wrote: > Hi, > > Should all PCI devices support mailboxes ? No, there's no requirement for a PCI device to support mailboxes. The spec only defines (via config space) a standard way to find out where device registers live in the address space. It doesn't say anything about what sort of registers a device must implement. > Is there some example of an opensource userspace application which > communicates with a PCI driver by mailboxes? (preferably a network > device) I don't know the answer to this one, sorry. Bjorn -- 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
