From: Jens Axboe <axboe@suse.de>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: "do ata" scsi command?
Date: Fri, 16 May 2003 08:03:24 +0200 [thread overview]
Message-ID: <20030516060324.GT812@suse.de> (raw)
In-Reply-To: <20030515230223.GA516@gtf.org>
On Thu, May 15 2003, Jeff Garzik wrote:
> In terms of a userspace interface for my ata-over-scsi gadget, I would
> prefer to use /dev/sg instead of inventing a totally new interface.
> That, in turn, implies a need for a "do ata taskfile" scsi command,
> which is sorta like ATAPI in reverse: we are wrapping a raw ata
> taskfile inside a scsi cdb.
>
> My question is, does an existing standard or spec exist for such an idea?
>
> If not, I'll just roll my own.
For ATAPI/SCSI like stuff, you have SG_IO. No need to invent yet another
submission interface for that. For ata, you have HDIO_DRIVE_TASKFILE
which is getting to be sane on the kernel side after Bart cleaned it up.
--
Jens Axboe
next prev parent reply other threads:[~2003-05-16 5:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-15 23:02 "do ata" scsi command? Jeff Garzik
2003-05-16 6:03 ` Jens Axboe [this message]
2003-05-16 15:54 ` Jeff Garzik
2003-05-16 16:05 ` Jens Axboe
2003-05-16 16:30 ` Jeff Garzik
2003-05-16 16:35 ` Jens Axboe
2003-05-16 16:41 ` Jeff Garzik
2003-05-16 16:43 ` Jens Axboe
2003-05-16 16:46 ` Jeff Garzik
2003-05-17 4:17 ` Douglas Gilbert
2003-05-17 7:49 ` Luben Tuikov
2003-05-16 16:35 ` Jeff Garzik
2003-05-16 16:40 ` Jens Axboe
2003-05-16 16:45 ` Jeff Garzik
2003-05-16 18:37 ` Andries Brouwer
2003-05-16 19:02 ` Luben Tuikov
2003-05-16 18:50 ` Luben Tuikov
2003-05-16 19:31 ` Jeff Garzik
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