From: Tejun Heo <htejun@gmail.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-ide@vger.kernel.org, Forrest Zhao <forrest.zhao@gmail.com>
Subject: Re: [PATCH 15/16] libata-link: update hotplug to handle PMP links
Date: Wed, 11 Jul 2007 11:45:13 +0900 [thread overview]
Message-ID: <46944439.5050005@gmail.com> (raw)
In-Reply-To: <46943978.4070207@garzik.org>
Jeff Garzik wrote:
> Tejun Heo wrote:
>> Update hotplug to handle PMP links. When PMP is attached, the PMP
>> number corresponds to I of SCSI C:H:I:L.
>
> That doesn't sound right. 'I' == ID == SCSI concept of a target. 'I'
> needs to be the end device, with 'L' (LUN) being normally zero, but
> sometimes otherwise -- in the case of multi-LUN ATAPI devices. Also,
> you have the order wrong, it's HCIL (host/channel/id/lun).
Yeah, that's from CHS. :-)
> Since libata uses one SCSI host per port, HCIL translates to
> (port/link/id/lun) I should think.
Alright, will change.
--
tejun
next prev parent reply other threads:[~2007-07-11 2:46 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-01 10:05 [PATCHSET 2/4] libata: implement ata_link, take 4 Tejun Heo
2007-07-01 10:05 ` [PATCH 02/16] libata-link: add PMP related ATA constants Tejun Heo
2007-07-01 10:05 ` [PATCH 01/16] libata-link: separate out ata_eh_handle_dev_fail() Tejun Heo
2007-07-11 1:47 ` Jeff Garzik
2007-07-01 10:05 ` [PATCH 06/16] libata-link: linkify EH action helpers Tejun Heo
2007-07-01 10:05 ` [PATCH 03/16] libata-link: introduce ata_link Tejun Heo
2007-07-01 10:05 ` [PATCH 04/16] libata-link: implement and use link/device iterators Tejun Heo
2007-07-01 10:05 ` [PATCH 07/16] libata-link: linkify reset Tejun Heo
2007-07-01 10:05 ` [PATCH 05/16] libata-link: linkify PHY-related functions Tejun Heo
2007-07-01 10:06 ` [PATCH 11/16] libata-link: implement ata_link_abort() Tejun Heo
2007-07-01 10:06 ` [PATCH 10/16] libata-link: separate out link initialization functions Tejun Heo
2007-07-11 1:52 ` Jeff Garzik
2007-07-01 10:06 ` [PATCH 12/16] libata-link: add PMP links Tejun Heo
2007-07-01 10:06 ` [PATCH 08/16] libata-link: linkify config/EH related functions Tejun Heo
2007-07-01 10:06 ` [PATCH 09/16] libata-link: make two port flags HRST_TO_RESUME and SKIP_D2H_BSY link flags Tejun Heo
2007-07-01 10:06 ` [PATCH 16/16] libata-link: update Power Management to handle PMP links Tejun Heo
2007-07-11 1:59 ` Jeff Garzik
2007-07-01 10:06 ` [PATCH 15/16] libata-link: update hotplug " Tejun Heo
2007-07-11 1:59 ` Jeff Garzik
2007-07-11 2:45 ` Tejun Heo [this message]
2007-07-01 10:06 ` [PATCH 14/16] libata-link: update EH to deal with " Tejun Heo
2007-07-11 1:54 ` Jeff Garzik
2007-07-01 10:06 ` [PATCH 13/16] libata-link: update ata_scsi_error() to handle " Tejun Heo
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