From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jeff Garzik <jgarzik@pobox.com>,
Christoph Hellwig <hch@infradead.org>,
randy_d_dunlap@linux.intel.com, linux-ide@vger.kernel.org,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
acpi-devel@lists.sourceforge.net
Subject: Re: [ACPI] Re: RFC: ACPI/scsi/libata integration and hotswap
Date: Thu, 8 Dec 2005 14:43:29 +0000 [thread overview]
Message-ID: <20051208144329.GA21946@srcf.ucam.org> (raw)
In-Reply-To: <1134052257.17102.13.camel@localhost.localdomain>
On Thu, Dec 08, 2005 at 02:30:57PM +0000, Alan Cox wrote:
> SCSI/libata can go easily from ata channel to pci device to device. The
> rest of the logic belongs outside of scsi/libata.
ACPI methods belong to SATA/PATA targets, not PCI devices. The
notification you get is something of the form
\SB.PCI.IDE0.SEC.MASTER
on sensible devices, and
\SB.C043.C438.C222.C223
on anything from HP[1]. Somehow, you have to get from there to a
specific SCSI host and target. By far the easiest way of doing that is
to register them at device add time, which needs a small amount of
cooperation from the SCSI or libata layers. And to register the
notifications in the first place, you need to know the ACPI handles.
[1] Thanks, HP
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2005-12-08 14:43 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-08 3:02 RFC: ACPI/scsi/libata integration and hotswap Matthew Garrett
2005-12-08 9:15 ` Christoph Hellwig
2005-12-08 13:26 ` Matthew Garrett
2005-12-08 13:33 ` Christoph Hellwig
2005-12-08 13:39 ` Matthew Garrett
2005-12-08 13:44 ` Christoph Hellwig
2005-12-08 17:18 ` Erik Slagter
2005-12-08 20:43 ` Jeff Garzik
2005-12-08 21:03 ` Dominic Ijichi
2005-12-08 21:09 ` Jeff Garzik
[not found] ` <4398A0F9.9050900-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2005-12-08 21:34 ` Dominic Ijichi
2005-12-08 21:34 ` Dominic Ijichi
2005-12-08 21:31 ` Randy Dunlap
2005-12-09 9:45 ` Erik Slagter
2005-12-09 10:39 ` Jens Axboe
2005-12-09 10:45 ` Erik Slagter
2005-12-09 11:27 ` Jeff Garzik
2005-12-09 11:35 ` Erik Slagter
2005-12-09 11:40 ` Christoph Hellwig
2005-12-09 11:46 ` Jens Axboe
2005-12-09 11:55 ` Matthew Garrett
[not found] ` <20051209115511.GA25842-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2005-12-09 13:22 ` Bartlomiej Zolnierkiewicz
2005-12-09 13:22 ` Bartlomiej Zolnierkiewicz
2005-12-09 12:01 ` Erik Slagter
[not found] ` <1134129692.27633.58.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-12-09 12:07 ` Jens Axboe
2005-12-09 12:07 ` Jens Axboe
2005-12-10 2:19 ` Douglas Gilbert
[not found] ` <439A3B15.5010608-c4O3jRSCrQ+sTnJN9+BGXg@public.gmane.org>
2005-12-14 20:52 ` Matthew Wilcox
2005-12-14 20:52 ` [ACPI] " Matthew Wilcox
[not found] ` <1134125145.27633.32.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-12-09 11:30 ` Jens Axboe
2005-12-09 11:30 ` Jens Axboe
2005-12-09 3:28 ` Mark Lord
2005-12-09 11:29 ` Jeff Garzik
[not found] ` <43996A84.5020307-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2005-12-10 4:01 ` Mark Lord
2005-12-10 4:01 ` Mark Lord
2005-12-08 13:52 ` Jeff Garzik
2005-12-08 14:07 ` [ACPI] " Alan Cox
2005-12-08 14:14 ` Jeff Garzik
2005-12-08 14:30 ` Alan Cox
2005-12-08 14:43 ` Matthew Garrett [this message]
2005-12-08 14:53 ` Alan Cox
2005-12-09 11:42 ` Jeff Garzik
2005-12-08 14:12 ` Matthew Garrett
2005-12-08 14:01 ` Alan Cox
2005-12-08 14:18 ` Matthew Garrett
2005-12-08 14:33 ` Alan Cox
2005-12-08 14:52 ` Matthew Garrett
2005-12-08 14:55 ` Alan Cox
2005-12-08 17:19 ` Matthew Garrett
2005-12-09 11:42 ` Christoph Hellwig
[not found] ` <20051209114246.GB16945-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2005-12-09 11:49 ` Jeff Garzik
2005-12-09 11:49 ` Jeff Garzik
2005-12-09 11:52 ` Matthew Garrett
[not found] ` <20051209115235.GB25771-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2005-12-09 11:58 ` Jeff Garzik
2005-12-09 11:58 ` Jeff Garzik
2005-12-09 12:11 ` Matthew Garrett
2005-12-09 12:16 ` Jeff Garzik
2005-12-09 12:24 ` Matthew Garrett
2005-12-10 0:40 ` Jeff Garzik
2005-12-10 2:34 ` Matthew Garrett
2005-12-10 2:39 ` Jeff Garzik
2005-12-10 2:47 ` Matthew Garrett
2005-12-10 2:41 ` Jeff Garzik
2005-12-10 2:50 ` Matthew Garrett
2005-12-10 2:57 ` Jeff Garzik
2005-12-10 3:47 ` [ACPI] " Andrew Grover
2005-12-12 0:38 ` Alan Cox
2005-12-09 11:50 ` Matthew Garrett
2005-12-09 11:55 ` Christoph Hellwig
2005-12-13 18:14 ` Randy Dunlap
2005-12-13 18:26 ` Matthew Garrett
2005-12-13 19:07 ` Randy Dunlap
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