From: Gordan Bobic <gordan@bobich.net>
To: Jan Beulich <JBeulich@suse.com>
Cc: Yang Z Zhang <yang.z.zhang@intel.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: Multi-bridged PCIe devices (Was: Re: iommuu/vt-d issues with LSI MegaSAS (PERC5i))
Date: Fri, 13 Dec 2013 15:27:25 +0000 [thread overview]
Message-ID: <52AB275D.2010401@bobich.net> (raw)
In-Reply-To: <52AB2E18020000780010D13B@nat28.tlf.novell.com>
On 12/13/2013 02:56 PM, Jan Beulich wrote:
>>>> On 13.12.13 at 15:43, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:
>> -[0000:00]-+-00.0 Intel Corporation 4th Gen Core Processor DRAM Controller
>> +-01.0-[01]--+-00.0 Intel Corporation 82571EB Gigabit Ethernet Controller
>> | \-00.1 Intel Corporation 82571EB Gigabit Ethernet Controller
>> +-01.1-[02]----00.0 LSI Logic / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon]
>> +-02.0 Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller
>> +-03.0 Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
>> +-14.0 Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI
>> +-16.0 Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1
>> +-16.3 Intel Corporation 8 Series/C220 Series Chipset Family KT Controller
>> +-19.0 Intel Corporation Ethernet Connection I217-LM
>> +-1a.0 Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2
>> +-1b.0 Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller
>> +-1c.0-[03]----00.0 Intel Corporation 82574L Gigabit Network Connection
>> +-1c.1-[04]----00.0 Intel Corporation 82574L Gigabit Network Connection
>> +-1c.3-[05]----00.0 Intel Corporation I210 Gigabit Network Connection
>> +-1c.4-[06]----00.0 Intel Corporation 82572EI Gigabit Ethernet Controller (Copper)
>> +-1c.5-[07-09]----00.0-[08-09]--+-01.0-[09]--+-08.0 Brooktree Corporation Bt878 Video Capture
>> | | +-08.1 Brooktree Corporation Bt878 Audio Capture
>> | | +-09.0 Brooktree Corporation Bt878 Video Capture
>> | | +-09.1 Brooktree Corporation Bt878 Audio Capture
>> | | +-0a.0 Brooktree Corporation Bt878 Video Capture
>> | | +-0a.1 Brooktree Corporation Bt878 Audio Capture
>> | | +-0b.0 Brooktree Corporation Bt878 Video Capture
>> | | \-0b.1 Brooktree Corporation Bt878 Audio Capture
>
> So 00:1c.5 is the PCIe->PCI bridge, 07:00.0 and 08:01.0 are
> PCI-PCI bridges, the capture devices are ordinary ones. The only
> possibly unexpected aspect I can see here is that there are two
> intermediate PCI-PCI bridges, but iirc this should be handled by
> the VT-d code.
Not sure about multiple intermediate PCI-PCI bridges, but I can confirm
that multiuple intermediate PCIe bridge setup works fine,
e.g. Intel X58 -> Nvidia NF200 -> PLX -> GPU (GTX690)
Gordan
next prev parent reply other threads:[~2013-12-13 15:27 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-11 11:05 Multi-bridged PCIe devices (Was: Re: iommuu/vt-d issues with LSI MegaSAS (PERC5i)) Gordan Bobic
2013-09-11 11:25 ` Gordan Bobic
2013-09-11 11:44 ` Gordan Bobic
2013-09-11 11:57 ` Jan Beulich
2013-09-11 12:19 ` Gordan Bobic
2013-09-11 12:56 ` Pasi Kärkkäinen
2013-09-11 11:53 ` Jan Beulich
2013-09-11 12:14 ` Gordan Bobic
2013-09-11 12:31 ` Jan Beulich
2013-09-11 12:45 ` Gordan Bobic
2013-09-11 13:03 ` Jan Beulich
2013-09-11 13:10 ` Gordan Bobic
2013-09-11 13:22 ` Jan Beulich
2013-09-11 13:26 ` Gordan Bobic
2013-09-11 13:36 ` Jan Beulich
2013-09-12 6:20 ` Zhang, Yang Z
2013-12-11 18:32 ` Konrad Rzeszutek Wilk
2013-12-11 21:15 ` Gordan Bobic
2013-12-11 21:30 ` Konrad Rzeszutek Wilk
2013-12-13 11:13 ` Jan Beulich
2013-12-13 14:43 ` Konrad Rzeszutek Wilk
2013-12-13 14:56 ` Jan Beulich
2013-12-13 15:27 ` Gordan Bobic [this message]
2014-01-06 20:26 ` Konrad Rzeszutek Wilk
2014-01-06 21:45 ` Konrad Rzeszutek Wilk
2014-01-07 3:17 ` Zhang, Yang Z
2014-01-07 10:35 ` Gordan Bobic
2014-01-07 10:38 ` Andrew Cooper
2014-01-07 10:44 ` Gordan Bobic
2014-02-21 19:08 ` Konrad Rzeszutek Wilk
2014-02-24 10:14 ` Jan Beulich
2013-09-11 13:23 ` Gordan Bobic
2013-09-11 13:34 ` Jan Beulich
-- strict thread matches above, loose matches on Subject: below --
2014-01-07 11:26 Wu, Feng
2014-01-07 11:35 ` Gordan Bobic
2014-01-07 12:15 ` Jan Beulich
2014-01-07 12:42 ` Gordan Bobic
2014-01-07 14:38 ` Konrad Rzeszutek Wilk
2014-01-07 14:47 ` Jan Beulich
2014-01-07 15:40 ` Konrad Rzeszutek Wilk
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