From: scameron@beardog.cce.hp.com
To: Douglas Gilbert <dgilbert@interlog.com>
Cc: james.bottomley@hansenpartnership.com, stephenmcameron@gmail.com,
akpm@linux-foundation.org, gregkh@suse.de,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi: Document generic scsi device attributes
Date: Fri, 19 Aug 2011 10:41:35 -0500 [thread overview]
Message-ID: <20110819154135.GF8422@beardog.cce.hp.com> (raw)
In-Reply-To: <4E4E7F8B.7020502@interlog.com>
On Fri, Aug 19, 2011 at 11:21:47AM -0400, Douglas Gilbert wrote:
> On 11-08-19 10:44 AM, Stephen M. Cameron wrote:
> >From: Stephen M. Cameron<scameron@beardog.cce.hp.com>
> >
>
> <snip>
>
> >+What: /sys/class/scsi_device/..../device/modalias
> >+Date: April, 2007
> >+KernelVersion: Unknown
> >+Contact: James Bottomley<James.Bottomley@HansenPartnership.com>
> >+Description:
> >+ This read only string value contains a string of the form
> >+ "scsi:t-0xXX" where "XX" are two hex digits representing the
> >+ SCSI device type. See also the "type" attribute and table 47
> >+ in section 8.2.5.1 "Standard INQUIRY data" of the SCSI-2
> >+ specification.
>
> My copy of SCSI-2 is draft 10b from 1989 and it doesn't have a
> section 8.2.5.1 . Since SCSI-2 was withdrawn over 10 years
> ago perhaps you could use a more recent reference. [I see
> webstore.ansi.org still sells the SCSI-2 standard for $30 .]
>
> SPC-3 is a standard [ANSI INCITS 408-2005; ISO/IEC 14776-453]
> and the relevant section, judging from its last draft, would
> be table 83 in section 6.4.2 . And it is now called the
> "peripheral device type".
I knew it was a mistake for me to try to figure out what the
proper reference should be. If such things change, maybe
having a reference in there at all is a mistake. Maybe it should just
say something like, "the numbers correspond to the entries in
the scsi_device_types[] array in drivers/scsi/scsi.c" since
that file is more likely to be close at hand than whichever
spec we might refer to.
-- steve
next prev parent reply other threads:[~2011-08-19 15:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 14:44 [PATCH] scsi: Document generic scsi device attributes Stephen M. Cameron
2011-08-19 15:21 ` Douglas Gilbert
2011-08-19 15:41 ` scameron [this message]
2011-08-21 16:22 ` Stefan Richter
-- strict thread matches above, loose matches on Subject: below --
2011-08-17 18:20 Stephen M. Cameron
2011-08-17 19:45 ` James Bottomley
2011-08-17 20:00 ` scameron
2011-08-17 20:35 ` James Bottomley
2011-08-18 12:47 ` Stefan Richter
2011-08-18 12:58 ` Stefan Richter
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