[Xen-devel] Return the PCIBACK device and script on power_off

To:	Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	[Xen-devel] Return the PCIBACK device and script on power_off
From:	"涂堂訓(Tang-Hsun Tu)" <iwantplay@xxxxxxxxx>
Date:	Thu, 02 Sep 2010 17:00:00 +0800
Delivery-date:	Thu, 02 Sep 2010 02:01:29 -0700
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 Dear all:

There is a script to hide device and bind to pciback driver on theXen wiki

and it is usually used for pci passthrough.
I have two questions as follow.

1) But sometimes I want to return these (hidden) device to the originaldriver,

    how can I do?

For example, I have a intel audio device which is using "HDA Intel"driver in original.I try to echo device to the files under the driver directory, i.e.new_slot and bind,

but there is no "new_slot" under the directory.
(/sys/bus/pci/drivers/HDA Intel/)


2) When a domain is power_off, can I do any script ?

There are only some options under the domain script, e.g. destroy,restart, preserve, etc.

I want to return the hidden device after the domain destroy or poweroff.

Best Regards,
Tang-Hsun

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[Xen-devel] Return the PCIBACK device and script on power_off