linux-kernel - Support for direct IO in RapidIO susbsystem

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Message-ID: <546742.44897.qm@web37601.mail.mud.yahoo.com>
Date:	Tue, 3 Feb 2009 20:10:44 -0800 (PST)
From:	Alex Dubov <oakad@...oo.com>
To:	mporter@...nel.crashing.org
Cc:	linux-kernel@...r.kernel.org
Subject: Support for direct IO in RapidIO susbsystem

Greetings.

I was browsing through kernel code and found no support for mmaping of remote RapidIO device address ranges. Therefore some questions:

1. Is there any open-source implementation of this functionality? There are some vendor supplied close-source drivers which do this.
2. Are there any specific plans to implement it (agreed upon API, user space stuff, etc)?

Thanks.

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