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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next prev parent reply other threads:[~2008-01-28 22:47 UTC|newest]
Thread overview: 16+ 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
2008-01-23 14:18 ` [PATCH 2/2] virtio reset support Rusty Russell
[not found] ` <200801240116.26160.rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>
2008-01-23 14:18 ` Rusty Russell
2008-01-24 13:09 ` Dor Laor
[not found] ` <200801240118.09032.rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>
2008-01-24 13:09 ` Dor Laor
2008-01-24 21:19 ` Rusty Russell
[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
2008-01-28 15:40 ` Anthony Liguori
[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
2008-01-28 22:47 ` Anthony Liguori
2008-01-28 15:48 ` Avi Kivity
2008-01-27 13:22 ` Avi Kivity
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