From: Luben Tuikov <luben_tuikov@adaptec.com>
To: andrew.patterson@hp.com
Cc: Arjan van de Ven <arjan@infradead.org>,
linux-scsi@vger.kernel.org, jejb@steeleye.com, "Moore,
Eric Dean" <Eric.Moore@lsil.com>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 1/4] sas: add flag for locally attached PHYs
Date: Fri, 21 Oct 2005 14:57:54 -0400 [thread overview]
Message-ID: <43593A32.7040802@adaptec.com> (raw)
In-Reply-To: <1129914336.30258.179.camel@bluto.andrew>
On 10/21/05 13:05, Andrew Patterson wrote:
>>but why didn't CSMI specify the library interface then? If it did that,
>>then none of the "ioctls are deprecated for 3 years now" would have come
>>as a surprise. Or rather, it maybe would have, but it wouldn't have
>>mattered to the management app.
>
> I asked one of the authors, Steve Fairchild, about this. He said that
> they had had a bad experience with HBAAPI, the FC library. They had a
> lot of problems with vendors keeping the library up to date, multiple
> vendors shipping multiple incompatible versions, etc. I wasn't entirely
> convinced, since they seem to have just replaced one set of problems for
> another.
The user app would read the SDI major and minor from SDI_GET_DRIVER_INFO
and then know which spec to use.
After that just sending bytes of data (forming units) one after the other
(as in "smp_portal") would suffice for 32/64 bit (similarly to SG).
Luben
--
http://linux.adaptec.com/sas/
http://www.adaptec.com/sas/
next prev parent reply other threads:[~2005-10-21 18:58 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-20 15:25 [PATCH 1/4] sas: add flag for locally attached PHYs 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 0:46 ` ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attached PHYs) Jeff Garzik
2005-10-21 5:09 ` Mike Christie
2005-10-21 5:41 ` Douglas Gilbert
2005-10-21 6:19 ` Jeff Garzik
2005-10-21 18:37 ` Luben Tuikov
2005-10-21 17:48 ` Luben Tuikov
2005-10-21 18:04 ` Christoph Hellwig
2005-10-21 18:12 ` Luben Tuikov
2005-10-21 18:20 ` Matthew Wilcox
2005-10-22 2:30 ` Douglas Gilbert
2005-10-22 2:54 ` Jeff Garzik
2005-10-22 3:53 ` Jeff Garzik
2005-10-22 17:14 ` Luben Tuikov
2005-10-22 17:49 ` Francois Romieu
2005-10-22 16:51 ` Luben Tuikov
2005-10-21 18:18 ` Jeff Garzik
2005-10-21 18:50 ` Luben Tuikov
2005-10-21 18:54 ` Jeff Garzik
2005-10-21 19:13 ` Luben Tuikov
2005-10-21 19:23 ` Jeff Garzik
2005-10-21 22:20 ` Stefan Richter
2005-10-21 19:22 ` Luben Tuikov
2005-10-21 19:39 ` Jeff Garzik
2005-10-21 20:41 ` Luben Tuikov
2005-10-21 21:12 ` Jeff Garzik
2005-10-21 21:24 ` Luben Tuikov
2005-10-21 21:41 ` Jeff Garzik
2005-10-21 22:14 ` Luben Tuikov
2005-10-21 22:43 ` Jeff Garzik
2005-10-22 9:26 ` Stefan Richter
2005-10-22 17:23 ` Luben Tuikov
2005-10-22 10:42 ` Stefan Richter
2005-10-22 10:58 ` Christoph Hellwig
2005-10-22 15:28 ` Sergey Panov
2005-10-22 17:19 ` Christoph Hellwig
2005-10-22 17:38 ` Sergey Panov
2005-10-24 15:18 ` Luben Tuikov
2005-10-22 18:27 ` Alan Cox
2005-10-24 13:51 ` Luben Tuikov
2005-10-24 15:41 ` Alan Cox
2005-10-24 15:14 ` Luben Tuikov
2005-10-24 16:03 ` Regala
2005-10-24 16:13 ` Luben Tuikov
2005-10-24 16:04 ` Regala
2005-10-22 17:30 ` Luben Tuikov
2005-10-22 18:19 ` Jeff Garzik
2005-10-22 17:49 ` Stefan Richter
2005-10-24 22:09 ` ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attachedPHYs) David Lang
2005-10-24 23:09 ` Stefan Richter
2005-10-22 11:12 ` David Lang
2005-10-22 17:39 ` Luben Tuikov
2005-10-22 17:41 ` Stefan Richter
2005-10-22 17:51 ` Christoph Hellwig
2005-10-22 18:21 ` Stefan Richter
2005-10-22 18:39 ` Sergey Panov
2005-10-22 13:27 ` ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attached PHYs) Stefan Richter
2005-10-22 16:09 ` Luben Tuikov
2005-10-21 19:41 ` Matthew Wilcox
2005-10-21 19:48 ` Luben Tuikov
2005-10-21 19:54 ` Matthew Wilcox
2005-10-21 20:05 ` Luben Tuikov
2005-10-21 19:46 ` Arjan van de Ven
2005-10-21 19:50 ` Luben Tuikov
2005-10-21 9:06 ` [PATCH 1/4] sas: add flag for locally attached PHYs 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 [this message]
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
-- strict thread matches above, loose matches on Subject: below --
2005-10-20 15:45 Moore, Eric Dean
2005-10-20 16:16 ` Luben Tuikov
2005-10-19 20:08 Moore, Eric Dean
2005-10-19 21:00 ` Luben Tuikov
2005-10-20 14:11 ` Christoph Hellwig
2005-10-20 15:29 ` Luben Tuikov
2005-10-20 15:49 ` Christoph Hellwig
2005-10-20 16:08 ` 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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