Re: User mode drivers: part 2: PCI device handling (patch 1/2 for2.6.11)

From: Alan Cox
Date: Fri Mar 11 2005 - 14:29:45 EST

> You forgot the PCI domain (a.k.a. hose, phb...) number.
> Also, you might encode bus,slot,function according to
> the PCI spec. So that gives:
> long usr_pci_open(unsigned pcidomain, unsigned devspec, __u64 dmamask);

Still insufficient because the device might be hotplugged on you. You
need a file handle that has the expected revocation effects on unplug
and refcounts


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