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Message-ID: <1a297b361003141218g783d1880p98b15749d01bd813@mail.gmail.com>
Date: Sun, 14 Mar 2010 23:18:05 +0400
From: Manu Abraham <abraham.manu@...il.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-pci@...r.kernel.org,
Grant Grundler <grundler@...isc-linux.org>
Subject: PCI express switch handling ..
Hi All,
I have one of these PCIe switches on one of the PCIe cards that I have:
http://www.plxtech.com/products/expresslane/pex8604
I was wondering how to handle this thing, ie;
I have to PCIe devices behind this switch, which looks thus:
06:00.0 PCI bridge: PLX Technology, Inc. Device 8604 (rev ba)
07:01.0 PCI bridge: PLX Technology, Inc. Device 8604 (rev ba)
07:04.0 PCI bridge: PLX Technology, Inc. Device 8604 (rev ba)
07:05.0 PCI bridge: PLX Technology, Inc. Device 8604 (rev ba)
09:00.0 Multimedia controller: Philips Semiconductors Device 7231 (rev aa)
0a:00.0 Multimedia controller: Philips Semiconductors Device 7231 (rev aa)
I am wondering if i need to access or address the switch specifically
to forward data specifically to one of the bridges behind the switch.
At present I can access one of the Multimedia controllers (09:00.0) ,
but it seems I can't access the other one and hence my question as to
determine whether it is something else.
Any pointer would be appreciated.
Thanks,
Manu
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