From: David Moore <dcm@MIT.EDU>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 05/11] firewire: cdev: add ioctls for isochronous resource management
Date: Sun, 11 Jan 2009 12:32:29 -0800 [thread overview]
Message-ID: <1231705949.3538.78.camel@localhost.localdomain> (raw)
In-Reply-To: <tkrat.c425621dbf524825@s5r6.in-berlin.de>
On Sun, 2009-01-04 at 16:26 +0100, Stefan Richter wrote:
> Based on
> Date: Tue, 18 Nov 2008 11:41:27 -0500
> From: Jay Fenlason <fenlason@redhat.com>
> Subject: [Patch V4] Add ISO resource management support
> with several changes to the ABI and implementation. Only the part of
> the ABI which enables auto-reallocation and auto-deallocation is
> included here.
>
> This implements ioctls for kernel-assisted allocation of isochronous
> channels and isochronous bandwidth. The benefits are:
> - The client does not have to have write access to the /dev/fw* device
> corresponding to the IRM.
> - The client does not have to perform reallocation after bus resets.
> - Channel and bandwidth are deallocated by the kernel if the file is
> closed before the client deallocated the resources. Thus resources
> are released even if the client crashes.
>
> It is anticipated that future in-kernel code (firewire-core IRM code;
> the firewire port of firedtv), will use the fw-iso.c portions of this
> code too.
>
> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Tested-by: David Moore <dcm@acm.org>
next prev parent reply other threads:[~2009-01-11 20:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-04 15:23 [PATCH 00/11] firewire: cdev: proposed ABI extensions Stefan Richter
2009-01-04 15:24 ` [PATCH 01/11] firewire: cdev: reference-count client instances Stefan Richter
2009-01-11 20:31 ` David Moore
2009-01-04 15:25 ` [PATCH 02/11] firewire: cdev: unify names of struct types and of their instances Stefan Richter
2009-01-04 15:25 ` [PATCH 03/11] firewire: cdev: sort includes Stefan Richter
2009-01-04 15:26 ` [PATCH 04/11] firewire: core: topology header fix Stefan Richter
2009-01-04 15:26 ` [PATCH 05/11] firewire: cdev: add ioctls for isochronous resource management Stefan Richter
[not found] ` <1231404355.18613.68.camel@localhost.localdomain>
[not found] ` <4965D58E.1050606@s5r6.in-berlin.de>
[not found] ` <496648EC.3060806@s5r6.in-berlin.de>
2009-01-08 22:07 ` [PATCH] firewire: cdev: add ioctls for iso resource management, amendment Stefan Richter
2009-01-11 20:32 ` David Moore [this message]
2009-01-04 15:27 ` [PATCH 06/11] firewire: cdev: add ioctls for manual iso resource management Stefan Richter
[not found] ` <1231643968.3538.59.camel@localhost.localdomain>
[not found] ` <1231656885.3538.67.camel@localhost.localdomain>
[not found] ` <4969CE1A.8010800@s5r6.in-berlin.de>
2009-01-11 12:44 ` [PATCH] firewire: cdev: simplify a schedule_delayed_work wrapper Stefan Richter
2009-01-04 15:28 ` [PATCH 07/11] firewire: cdev: add ioctl to query maximum transmission speed Stefan Richter
2009-01-04 15:29 ` [PATCH 08/11] firewire: cdev: add ioctl for broadcast write requests Stefan Richter
2009-01-04 15:30 ` [PATCH 09/11] firewire: cdev: restrict broadcast write requests to Units Space Stefan Richter
2009-01-04 15:30 ` [PATCH 10/11] firewire: cdev: extend transaction payload size check Stefan Richter
2009-01-04 15:31 ` [PATCH 11/11] firewire: cdev: replace some spin_lock_irqsave by spin_lock_irq Stefan Richter
2009-01-04 23:28 ` [PATCH 00/11] firewire: cdev: proposed ABI extensions Stefan Richter
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