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address@hidden: Interface for SCSI transactions ?]


From: olafBuddenhagen
Subject: address@hidden: Interface for SCSI transactions ?]
Date: Sun, 10 Apr 2011 06:43:04 +0200
User-agent: Mutt/1.5.20 (2009-06-14)

Forwarding to appropriate list...

----- Forwarded message from Thomas Schmitt <address@hidden> -----

Date: Thu, 07 Apr 2011 16:17:13 +0200
From: Thomas Schmitt <address@hidden>
To: address@hidden
Subject: Interface for SCSI transactions ?

Hi,

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.
(http://libburnia-project.org/browser/libburn/trunk/libburn/sg-*.c
 http://libburnia-project.org/browser/libburn/trunk/libburn/os-*.h)

The SCSI gestures of CD/DVD/BD burning are described in
  http://libburnia-project.org/browser/libburn/trunk/doc/cookbook.txt 


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 :)

Thomas



----- End forwarded message -----



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