Re: SCSI for Hurd

2012-06-06 Thread Thomas Schmitt
Hi,

Ritesh Raj Sarraf wrote:
  A quick search for scsi related items on Hurd shows nothing interesting

Samuel Thibault wrote:
 You can look on the bug-hurd mailing list, Interface for SCSI
 transactions, Thomas Schmitt proposed to work on a generic interface, I
 don't know its status.

Well, it is being left behind, currently.
The last technical discussion was in october 2012.
My youngest proposal seems to be in
  http://lists.gnu.org/archive/html/bug-hurd/2011-10/msg00053.html
(I found a sketch on my local disk which contains this proposal and
 the elder one with a more generic RPC.)

The most disputed issue in the discussion was how to design and
integrate the RPC call. I got half an ok for my proposal by Olaf
Buddenhagen.

I then tried to get a real DVD burner accessible via qemu.
This succeeded for a Debian GNU/Linux guest:
  http://libburnia-project.org/wiki/QemuXorriso
but the emulated controllers were not supported by Hurd then.


I have watched progress reports about DDE here on the list, but did
not yet explore whether this work affects my roughly sketched path
through the compoments of Hurd.

Actually i do not see myself qualified as kernel hacker.
My role would normally be the one of a skilled user of an
SCSI passthrough interface: Telling what's needed, testing,
maybe digging for bug hideouts in the code, ...

So i would not mind if anybody else takes on the task.
As soon as there is a userspace interface for SCSI passthrough
and Hurd can access a real DVD burner, i am committed to test it


Have a nice day :)

Thomas


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Re: SCSI for Hurd

2012-06-05 Thread Samuel Thibault
Hello,

It seems this wasn't answered.

Ritesh Raj Sarraf, le Sun 27 May 2012 13:56:43 +0530, a écrit :
 I see no scsi headers present in hurd. The only package that provides it
 is hurd-dev (20120520-1).
 
 Is this usable? It seems to be shipping the development files from
 linux. It installs them under a non-standard location,
 /usr/share/libdde_linux26/build/include/linux-headers/

This is the DDE layer work, SCSI support has not been worked on in it,
for now it's just an inheritance of the DDE layer (itself from Linux),
which most probably does not work at all. It's not supposed to be used
by applications currently anyway (thus the non-standard location).

 A quick search for scsi related items on Hurd shows nothing interesting

You can look on the bug-hurd mailing list, Interface for SCSI
transactions, Thomas Schmitt proposed to work on a generic interface, I
don't know its status.

Samuel


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