Re: PCI domain stuff

David S. Miller (davem@redhat.com)
30 Jun 2003 21:34:01 -0700


On Mon, 2003-06-30 at 21:05, Matthew Wilcox wrote:
> We need to support mmaping device resources. I think this actually
> merits being a first class sysfs concept -- turn a struct resource into
> an mmapable file. The current fugly ioctl really has to go.

What's so wrong with the "fugly ioctl"?

What can't you do with it?

You can even mmap the complete I/O space of a PCI bus (in order to poke
around in implicit I/O resources like the VGA registers that a PCI card
might respond to).

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