Re: [PATCH 2/2] virtio reset support

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Anthony Liguori wrote:
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.


I think it's NDA material, so even if I found it, I couldn't publish it. It can probably be reverse-engineered from the Xen patches, or perhaps your employer is a PCI-SIG member so you can get access to it.

--
error compiling committee.c: too many arguments to function

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