On Wed, Jan 12, 2005 at 02:37:45AM +0200, Michael S. Tsirkin wrote: > > That's the beauty of bcm57xx. The DMA/Intr ordering is handled by passing > > tags back of forth - so the NIC knows which status block the host saw > > on the current interrupt. It might result in a spurious interrupt > > on occasion but very portable IMHO. > > Does this mean that after MSI wa asserted, and before status is passed > back, no more messages of the same kind are sent?
No more MSI are sent until the host ACKs it with a write. The ACK "msg" (MMIO Write) also contains the tag of the status block that was seen by the host. grant _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
