WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] PCI Passthrough to HVM on xen-unstable

Han, Weidong wrote:
> Yes, VT-d is located at North bridge, not a processor feature. On BIOS,
> it should be under Chipset -> North Bridge settings. 
> 

Northbridge chipset on my machine is this: Intel Corporation 5000V Chipset
Memory Controller Hub (rev b1).

I need to have an Intel Q35 Express Chipset to get VT-d enabled.

At this point I need to shelve the idea of testing PCI Passthrough on HVM.
Thanks a lot for helping with my questions.

> 
> Jambunathan K wrote:
>> Han, Weidong wrote:
>>> Pls check your BIOS to see whether it's VT-d capable, and enable it
>>> first if you want to use it. Seems your configures are correct, pls
>>> check your BIOS.
>> I don't see an option for "Intel VT for Directed I/O" when "Intel
>> Virtualization Technology" is enabled. My understanding is that VT-d
>> is a motherboard feature and not a processor feature.
>>
>> I have done some limited research looking around. I am confused
>> whether I can get VT-d to work with just a BIOS upgrade or I would be
>> required to upgrade my box altogther. If you have some info off the
>> top of your head to clarify things for me, I would appreciate it.
>>
>>> Jambunathan K wrote:
>>>> (Resubmitting my original post with 'xm dmesg' output)
>>>>
>>>> I am working on S5000VSA Intel Server Board with the following cpu
>>>> spec. 
>>>>
>>>> XEN-PEER-RHEL5 $ cat /proc/cpuinfo
>>>> processor       : 0
>>>> vendor_id       : GenuineIntel
>>>> cpu family      : 6
>>>> model           : 15
>>>> model name      : Intel(R) Xeon(R) CPU           E5345  @ 2.33GHz
>>>> stepping        : 7 cpu MHz         : 2327.512
>>>> cache size      : 4096 KB
>>>> physical id     : 0
>>>> siblings        : 1
>>>> core id         : 0
>>>> cpu cores       : 1
>>>> fpu             : yes
>>>> fpu_exception   : yes
>>>> cpuid level     : 10
>>>> wp              : yes
>>>> flags           : fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov
>>>> pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm
>>>> constant_tsc up pni monitor ds_cpl vmx est tm2 cx16 xtpr lahf_lm
>>>> bogomips        : 4661.90 clflush size    : 64
>>>> cache_alignment : 64
>>>> address sizes   : 36 bits physical, 48 bits virtual
>>>> power management:
>>>>
>>>> Is my box vt-d capable? If the answer is yes proceed ahead to the
>>>> details. If the answer is no, how can a novice user like me
>>>> identify whether or not his box is vt-d capable.
> 


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel