From: Jens Axboe <axboe@suse.de>
To: Andreas Jellinghaus <aj@dungeon.inka.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ide cdrom sg like access / rpcmgr ?
Date: Wed, 12 Nov 2003 12:36:04 +0100 [thread overview]
Message-ID: <20031112113604.GG21141@suse.de> (raw)
In-Reply-To: <1068494681.808.11.camel@simulacron>
On Mon, Nov 10 2003, Andreas Jellinghaus wrote:
> Hi,
>
> Is there some documentation on how to access an ide cdrom in 2.6.0*
> for converting an app that used ide-scsi and sg devices?
> (I'd like to use rpcmgr11.c to unlock my dvd drive. maybe someone
> already ported it to kernel 2.6.*?)
>
> the original source uses:
> fd = open(..., O_RDWR);
> write, read and ioctl(fd, SG_NEXT_CMD_LEN, &cmdlen);
> (but the ioctl only on lg drives, mine is a hitachi,
> so that shouldn't be necessary).
>
> or will I need ide-scsi to do these things?
Post the code and I'll show you how to do it. Generally, you should just
use SG_IO or CDROM_SEND_PACKET for this.
--
Jens Axboe
next prev parent reply other threads:[~2003-11-12 11:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-10 20:04 ide cdrom sg like access / rpcmgr ? Andreas Jellinghaus
2003-11-12 11:36 ` Jens Axboe [this message]
2003-11-12 12:39 ` Andreas Jellinghaus
2003-11-12 14:31 ` Jens Axboe
2003-11-12 16:33 ` Linus Torvalds
2003-11-12 17:32 ` Jens Axboe
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