misc questions about the device&driver arch
imp at bsdimp.com
Sun May 21 23:52:26 PDT 2006
> > That happens at attach time. Cardbus right now has a private protocol
> > between the card bus bridge (cbb) and the bus to know when there's a
> > new card in a slot and to enumerate that bus.
> i think that 's because in cardbus protocol ,one bus only have one
> device ,so does pci express port (port :device =1:1)
Cool. I just bought a new laptop yesterday. It has an expresscard
slot, which I think is handled as a PCI Express port (or USB 2.0 port,
depending on the card that's inserted).
> so there will be a long list of methods in the future hotplug pci
> driver and pcib driver
> SHPC interface ..
> PCIE interface
> compaq interface
> IBM interface ....
> poer interface
Yes. If ExpressCard isn't handled by the PCIe interface, then we'd
want to add it to the list as well.
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