From: Christoph Hellwig <hch@lst.de>
To: Luben Tuikov <luben_tuikov@adaptec.com>
Cc: "Moore, Eric Dean" <Eric.Moore@lsil.com>,
Christoph Hellwig <hch@lst.de>,
jejb@steeleye.com, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 1/4] sas: add flag for locally attached PHYs
Date: Thu, 20 Oct 2005 16:11:23 +0200 [thread overview]
Message-ID: <20051020141123.GA7119@lst.de> (raw)
In-Reply-To: <4356B3D3.1010203@adaptec.com>
On Wed, Oct 19, 2005 at 05:00:03PM -0400, Luben Tuikov wrote:
> On 10/19/05 16:08, Moore, Eric Dean wrote:
> > Luben: He is adding support for linkerrors and link/phy reset;
> > these for for CSMI/SDI API.
> >
> > Can you in your driver retreive link errors for the links on the expanders?
>
> Yes. (offloaded to user space)
>
> You use the user space program called "expander_conf.c" to
> send SMP requests and receive SMP responses.
Yes, exactly. On the other hand we don't have standard
hardware-indepent ways of doing that for the PHYs of the HBA because
the programming interfaces are to different and need to abstract it away
in the kernel. That's why I need the local_attached flag as an internal
helper - it's not actually exposed to userland so the implementation
next prev parent reply other threads:[~2005-10-20 14:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-19 20:08 [PATCH 1/4] sas: add flag for locally attached PHYs Moore, Eric Dean
2005-10-19 21:00 ` Luben Tuikov
2005-10-20 14:11 ` Christoph Hellwig [this message]
2005-10-20 15:29 ` Luben Tuikov
2005-10-20 15:49 ` Christoph Hellwig
2005-10-20 16:08 ` Luben Tuikov
-- strict thread matches above, loose matches on Subject: below --
2005-10-20 15:45 Moore, Eric Dean
2005-10-20 16:16 ` Luben Tuikov
2005-10-20 15:25 Moore, Eric Dean
2005-10-20 15:55 ` Luben Tuikov
2005-10-20 16:01 ` Christoph Hellwig
2005-10-20 16:51 ` Luben Tuikov
2005-10-20 17:03 ` Christoph Hellwig
2005-10-20 17:22 ` Arjan van de Ven
2005-10-20 20:10 ` Luben Tuikov
2005-10-21 8:16 ` Arjan van de Ven
2005-10-20 20:02 ` Luben Tuikov
2005-10-21 0:01 ` Andrew Patterson
2005-10-21 9:06 ` Arjan van de Ven
2005-10-21 17:05 ` Andrew Patterson
2005-10-21 17:18 ` Arjan van de Ven
2005-10-21 18:57 ` Luben Tuikov
2005-10-21 17:32 ` Luben Tuikov
2005-10-21 1:50 ` Douglas Gilbert
2005-10-21 2:16 ` Jeff Garzik
2005-10-21 3:25 ` Douglas Gilbert
2005-10-21 18:04 ` Luben Tuikov
2005-10-19 18:01 Christoph Hellwig
2005-10-19 19:24 ` Luben Tuikov
2005-10-19 19:37 ` Luben Tuikov
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