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Fwd: Interface for SCSI transactions ?

From: Emilio Pozuelo Monfort
Subject: Fwd: Interface for SCSI transactions ?
Date: Mon, 11 Apr 2011 10:15:51 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110402 Iceowl/1.0b2 Icedove/3.1.9

Forwarding to bug-hurd where I think this is more appropriate and the right
people will see your mail.


-------- Original Message --------
Subject: Interface for SCSI transactions ?
Date: Thu, 07 Apr 2011 16:17:13 +0200
From: Thomas Schmitt <scdbackup@gmx.net>
To: help-hurd@gnu.org


i would like to explore the possibilities to let GNU xorriso burn
CD, DVD or BD media on GNU/Hurd.

xorriso uses libburn which directly performs SCSI transactions
with optical drives.
Currently it supports the generic SCSI interfaces of
GNU/Linux (SG_IO), FreeBSD (CAM) and Solaris (uscsi).

xorriso and its libraries already get compiled for hurd-386 on
Debian buildd.
But they use a dummy SCSI adapter and can only operate on files,
not on MMC drives. The porting task would be to derive a Hurd system
adapter from the ones for Linux, FreeBSD, Solaris or libcdio.

The SCSI gestures of CD/DVD/BD burning are described in

Before trying to add Debian hurd-i386 to the systems on my amd64
test machine, i would like to check out whether there is documentation
or an interested tutor for the tasks of listing all MMC drives, getting
(exclusive) access to a drive, sending SCSI commands, getting reply
data and error indications.

Luxury would of course be a remote account on a machine where i am
allowed to cautiously grope a DVD drive. It would not have to be
a burner. The job is done as soon as i get the drive listed and can
inquire its manufacturer information.

Have a nice day :)


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