From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH 2/2] virtio reset support Date: Mon, 28 Jan 2008 16:47:55 -0600 Message-ID: <479E5B9B.4070409@us.ibm.com> References: <200801240116.26160.rusty@rustcorp.com.au> <200801240118.09032.rusty@rustcorp.com.au> <479C8599.60007@qumranet.com> <479DF787.2020100@us.ibm.com> <479DF952.9040201@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel , Dor Laor , virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Avi Kivity Return-path: In-Reply-To: <479DF952.9040201-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Avi Kivity wrote: > Anthony Liguori wrote: >> >> PCI-e has a common reset concept (warm and cold). I've been looking >> around and I can't seem to find any common reset mechanism for PCI. >> Is FLR something that is per-device or a standard PCI mechanism? If >> it's the former, than we've basically implemented FLR using this bit >> in the config space. >> > > I believe it is a standard mechanism, albeit new, so perhaps many > devices don't implement it. I don't have a copy of the PCI specification handy. Can you dig up how it's implemented? I don't see any references in my local documentation and I couldn't find anything in Linux that referenced it at the PCI level. Regards, Anthony Liguori ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/