On 03/26/2010 01:05 AM, Cam Macdonell wrote:
I meant a unicast doorbell: 16 bits for guest ID, 16 bits for vector number.Ah, yes. Who knew "two bit registers" is an ambiguous term. Do you strongly prefer the one doorbell design?
Just floating out ideas. An advantage is that it conserves register space; this is important if we use PIO. For mmio this isn't so important.
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
