linux-kernel - [PATCH 00/11] firewire: cdev: proposed ABI extensions

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Message-ID: <tkrat.3905b2754a8fc519@s5r6.in-berlin.de>
Date:	Sun, 4 Jan 2009 16:23:29 +0100 (CET)
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	linux1394-devel@...ts.sourceforge.net
cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 00/11] firewire: cdev: proposed ABI extensions

Hi all,

here come updated implementations (based on Jay Fenlason's patches) or
first implementations of the pending <linux/firewire-cdev.h> ABI
extensions. Still not done though:
  - Add ioctl to deallocate an isochronous context.
  - Allow more than one isochronous context per fd.
  - Document David Moore's OHCI timestamp change,
    increment ABI version number accordingly.

Also, while Jay Fenlason already tested his implementations, I did not
yet do any runtime test at all of any of the new ioctls as implemented
in the following updates.  Nor do I have matching libraw1394 code and
libdc1394 code yet.  I thought I post this stuff nevertheless in order
to gather your criticism...

Therefore I feel that this is all too late to be pushed into mainline
before 2.6.29(-rc1).  I'd like to target 2.6.30(-rc1) now instead.  I
hope those who have been waiting for all of this for months don't murder
me for the repeated delays to get this released.

At least I runtime-tested the base changes related to reference counting
and spinlocks though.

These patches apply after several as yet uncommitted firewire patches,
most notably "firewire: cdev: use an idr rather than a linked list for
resources" as necessary infrastructure, and "firewire: standardize a
variable name" and "firewire: remove line breaks before function names"
as ones which presumable create conflicts if not applied before.

Coming as follow-ups:

[PATCH 01/11] firewire: cdev: reference-count client instances
[PATCH 02/11] firewire: cdev: unify names of struct types and of their instances
[PATCH 03/11] firewire: cdev: sort includes
[PATCH 04/11] firewire: core: topology header fix
[PATCH 05/11] firewire: cdev: add ioctls for isochronous resource management
[PATCH 06/11] firewire: cdev: add ioctls for manual iso resource management
[PATCH 07/11] firewire: cdev: add ioctl to query maximum transmission speed
[PATCH 08/11] firewire: cdev: add ioctl for broadcast write requests
[PATCH 09/11] firewire: cdev: restrict broadcast write requests to Units Space
[PATCH 10/11] firewire: cdev: extend transaction payload size check
[PATCH 11/11] firewire: cdev: replace some spin_lock_irqsave by spin_lock_irq

 drivers/firewire/fw-cdev.c        |  749 +++++++++++++++++++++---------
 drivers/firewire/fw-iso.c         |  176 ++++++-
 drivers/firewire/fw-topology.h    |    6 
 drivers/firewire/fw-transaction.h |    4 
 include/linux/firewire-cdev.h     |  133 ++++-
 5 files changed, 836 insertions(+), 232 deletions(-)

Please comment.
-- 
Stefan Richter
-=====-==--= ---= --=--
http://arcgraph.de/sr/

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