From: "Wiles, Keith" <keith.wiles@intel.com>
To: Daniel Waddington <Daniel.Waddington@ibm.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] DPDK on IBM Power9
Date: Wed, 9 Jan 2019 23:35:11 +0000 [thread overview]
Message-ID: <9C2829AB-34D1-4EB3-BADE-E660349E5E80@intel.com> (raw)
In-Reply-To: <OF8C97C6F7.0B9CC43C-ON0025837D.00806190-0025837D.00806196@notes.na.collabserv.com>
> On Jan 9, 2019, at 5:22 PM, Daniel Waddington <Daniel.Waddington@ibm.com> wrote:
>
> This NIC (000:01:00.0) is supported (Intel XL710). I assume that I can use VFIO instead of UIO. UIO is really bad from a security perspective.
>
> I think its the "cannot create new DMA window, error 22" which is the first indicator of the problem.
>
> Daniel
>
> -----"Wiles, Keith" <keith.wiles@intel.com> wrote: -----
> To: Daniel Waddington <Daniel.Waddington@ibm.com>
> From: "Wiles, Keith" <keith.wiles@intel.com>
> Date: 01/09/2019 02:52PM
> Cc: "dev@dpdk.org" <dev@dpdk.org>
> Subject: Re: [dpdk-dev] DPDK on IBM Power9
>
>
>> On Jan 9, 2019, at 4:25 PM, Daniel Waddington <Daniel.Waddington@ibm.com> wrote:
>>
>> Hi,
>> I'm trying to run DPDK 18.11 on IBM Power9. Should it run? (I'n new to DPDK on Power).
>> Thx,
>> Daniel
>> Below is what I get:
>>
>> $ sudo ./examples/ethtool/ethtool-app/ppc_64-power8-linuxapp-gcc/app/ethtool --iova-mode=pa -c7 -w 0000:01:00.0
>> EAL: Detected 128 lcore(s)
>> EAL: Detected 2 NUMA nodes
>> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
>> EAL: Probing VFIO support...
>> EAL: VFIO support initialized
>> EAL: PCI device 0000:01:00.0 on NUMA socket 0
>> EAL: probe driver: 8086:1583 net_i40e
>> EAL: using IOMMU type 7 (sPAPR)
>> EAL: cannot create new DMA window, error 22 (Invalid argument)
>> EAL: Could not create new DMA window
>> EAL: 0000:01:00.0 DMA remapping failed, error 22 (Invalid argument)
>> EAL: Requested device 0000:01:00.0 cannot be used
>> Number of NICs: 0
>> EAL: Error - exiting with code: 1
>> Cause: No available NIC ports!
>>
>
> From the message above you need support NIC for DPDK is all or you a NIC needs to be bound to something like igb_uio for linux. I have never run DPDK on power before and not sure what is next other then using a supported NIC.
>
Yes you should be able to use VFIO. Did you bind the NIC to VFIO ?
There should be some docs about how that is done.
Beyond this I have not idea?
>>
>>
>
> Regards,
> Keith
>
>
Regards,
Keith
next prev parent reply other threads:[~2019-01-09 23:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-09 22:25 Daniel Waddington
2019-01-09 22:52 ` Wiles, Keith
2019-01-09 23:22 ` Daniel Waddington
2019-01-09 23:35 ` Wiles, Keith [this message]
2019-01-09 23:58 ` Daniel Waddington
2019-01-10 0:07 ` Thomas Monjalon
2019-01-10 0:23 ` Wiles, Keith
2019-01-10 7:40 ` Olga Shern
2019-01-10 8:51 ` Burakov, Anatoly
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