> Sure. I was talking about this as a right solution for 2.2.
> In 2.3, we finally need to make kernel understand there can
> be multiple buses, each of them using either a different
> phys<->bus mapping or an IOMMU. I started working on a new set
> of I/O functions, but for now I have to do some exams first.
NetBSD has bus_space() and bus_dma() man pages and a white paper.
They claim to share drivers accross multiple busses with ease.
Maybe this is something we ought to clone.
BTW, do we really have a dozen Lance Ethernet card drivers?
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