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xen-devel
RE: [Xen-devel] [PATCH] [VTD] Update vtd.txt
Hi Stephen Spector,
Can you help to update the Xen wiki http://wiki.xensource.com/xenwiki/VTdHowTo ?
Thanks!
-----------------------------
How to enable MSI/MSI-X for assigned devices?
Before changeset 18127: 89d05940cc1c:
Add an option "msi_irq_enable=1" in grub. It should appear like "kernel xen.gz
msi_irq_enable=1 <your other options>".
>From changeset 18127: 89d05940cc1c to changeset 18453: 7f1c71c6d4c8:
The paramerter is "msi=1"
>From changeset 18454: 65dc37be0443 on, we always have msi=1. We can't use a
>Xen grub parameter to set the value.
-----------------------------
How to list the currently assignable devices in a host?
>From changeset: 18047:39c2cab9e765 on, there is a shell utility "xm
>pci-list-assignable-devices".
The utility finds all the devices owned by pciback, checks if they have proper
FLR method, checks if they have page-alinged MMIO BARs, and checks if the
devices have been already assigned, finally it prints out the assignable
devices.
Note: the utility assumes the integrated devices (whose bus numbers are 0) have
proper FLR method.
-- Dexuan
-----Original Message-----
From: Akio Takebe [mailto:takebe_akio@xxxxxxxxxxxxxx]
Sent: 2008年9月11日 12:15
To: Han, Weidong
Cc: Cui, Dexuan; xen-devel@xxxxxxxxxxxxxxxxxxx; Ross Philipson
Subject: Re: [Xen-devel] [PATCH] [VTD] Update vtd.txt
Hi, all
Someone have the permission?
I could not update it, too.
Best Regards,
Akio Takebe
Han, Weidong wrote:
> I wanted to update VTd wiki. But I didn't have permission to update.
>
> Randy (Weidong)
>
> Akio Takebe wrote:
>> Hi,
>>
>> Could you update the VTd wiki?
>> http://wiki.xensource.com/xenwiki/VTdHowTo?highlight=(VTd)
>>
>> Best Regards,
>>
>> Akio Takebe
>>
>> Cui, Dexuan wrote:
>>> Yes. c/s 18127 made that change:
>>> http://xenbits.xensource.com/xen-unstable.hg?rev/89d05940cc1c
>>>
>>> -- Dexuan
>>>
>>>
>>> -----Original Message-----
>>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ross
>>> Philipson Sent: 2008年8月6日 20:27 To: xen-devel@xxxxxxxxxxxxxxxxxxx
>>> Subject: RE: [Xen-devel] [PATCH] [VTD] Update vtd.txt
>>>
>>> So the msi=1 param replaces the msi_irq_enable param. This is a
>>> recent
>>> change right?
>>>
>>> Thanks
>>> Ross
>>>
>>> -----Original Message-----
>>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Han,
>>> Weidong
>>> Sent: Wednesday, August 06, 2008 5:30 AM
>>> To: xen-devel@xxxxxxxxxxxxxxxxxxx
>>> Subject: [Xen-devel] [PATCH] [VTD] Update vtd.txt
>>>
>>> Add "iommu=1" option in grub, due to VT-d is not enabled by default.
>>>
>>> In additoin, describes how to enable MSI/MSI-x for assigned devices.
>>>
>>> Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
>>>
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
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