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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Albert Cahalan <albert@users.sourceforge.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	peterc@gelato.unsw.edu.au
Subject: Re: User mode drivers: part 2: PCI device handling (patch 1/2 for 2.6.11)
Date: Fri, 11 Mar 2005 19:15:46 +0000	[thread overview]
Message-ID: <1110568542.15927.76.camel@localhost.localdomain> (raw)
In-Reply-To: <1110518308.1949.67.camel@cube>


> 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

Alan


  reply	other threads:[~2005-03-11 19:21 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-11  5:18 User mode drivers: part 2: PCI device handling (patch 1/2 for 2.6.11) Albert Cahalan
2005-03-11 19:15 ` Alan Cox [this message]
2005-03-11 21:04   ` Albert Cahalan
2005-03-14 13:34     ` Alan Cox
  -- strict thread matches above, loose matches on Subject: below --
2005-03-11  3:37 Peter Chubb
2005-03-11  7:18 ` Greg KH
2005-03-11  8:34   ` Peter Chubb
2005-03-11 10:31     ` Pavel Machek
2005-03-11 15:21     ` Greg KH
2005-03-11 16:45       ` Jesse Barnes
2005-03-12 22:43         ` Jon Smirl
2005-03-14  0:13       ` Peter Chubb
2005-03-14 17:46         ` Alan Cox
2005-03-11 19:16     ` Alan Cox
2005-03-12 10:49 ` Andrew Grover

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