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From: Anthony Liguori <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	Dor Laor <dor.laor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: [PATCH 2/2] virtio reset support
Date: Mon, 28 Jan 2008 16:47:55 -0600	[thread overview]
Message-ID: <479E5B9B.4070409@us.ibm.com> (raw)
In-Reply-To: <479DF952.9040201-atKUWr5tajBWk0Htik3J/w@public.gmane.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



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  parent reply	other threads:[~2008-01-28 22:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-23 14:16 [PATCH 1/2] reset support: make net driver alloc/cleanup in probe and remove Rusty Russell
     [not found] ` <200801240116.26160.rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>
2008-01-23 14:18   ` [PATCH 2/2] virtio reset support Rusty Russell
     [not found]     ` <200801240118.09032.rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>
2008-01-24 13:09       ` Dor Laor
     [not found]         ` <1201180147.7100.35.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-01-24 21:19           ` Rusty Russell
2008-01-27 13:22       ` Avi Kivity
     [not found]         ` <479C8599.60007-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-28 15:40           ` Anthony Liguori
     [not found]             ` <479DF787.2020100-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-01-28 15:48               ` Avi Kivity
     [not found]                 ` <479DF952.9040201-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-28 22:47                   ` Anthony Liguori [this message]
2008-01-29 17:27                     ` Avi Kivity

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