About ivshmem

About ivshmem

[GongJinrong]

Hi, guys

    I found that the ivshmem are supported in DPDK 1.6 but has no any
document about it, how do I use ivshmem? I remember that we must use a
patched qemu binary for enabling ivshmem support in OVDK, does DPDK 1.6 also
need do this? Also, where can I find some ivshmem docs?

Best Regards
John Gong

Re: About ivshmem

[Thomas Monjalon]

Hi,

2014-06-11 16:53, GongJinrong:
>     I found that the ivshmem are supported in DPDK 1.6 but has no any
> document about it, how do I use ivshmem? I remember that we must use a
> patched qemu binary for enabling ivshmem support in OVDK, does DPDK 1.6 also
> need do this? Also, where can I find some ivshmem docs?

If you're looking for information about OVDK, you should ask on the
appropriate mailing list.

If you are looking for a PMD using ivshmem, you should look at memnic:
	http://dpdk.org/doc/memnic-pmd

-- 
Thomas

Re: About ivshmem

[Gray, Mark D]

> Hi,
> 
> 2014-06-11 16:53, GongJinrong:
> >     I found that the ivshmem are supported in DPDK 1.6 but has no any
> > document about it, how do I use ivshmem? I remember that we must use a
> > patched qemu binary for enabling ivshmem support in OVDK, does DPDK
> > 1.6 also need do this? Also, where can I find some ivshmem docs?
> 
> If you're looking for information about OVDK, you should ask on the
> appropriate mailing list.

ovdk mailing List: https://lists.01.org/pipermail/dpdk-ovs/

ivshmem instructions: https://github.com/01org/dpdk-ovs/blob/development/docs/04_Sample_Configurations/01_IVSHM.md

> 
> If you are looking for a PMD using ivshmem, you should look at memnic:
> 	http://dpdk.org/doc/memnic-pmd
> 
> --
> Thomas
--------------------------------------------------------------
Intel Shannon Limited
Registered in Ireland
Registered Office: Collinstown Industrial Park, Leixlip, County Kildare
Registered Number: 308263
Business address: Dromore House, East Park, Shannon, Co. Clare

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Re: About ivshmem

[GongJinrong]

Thanks, I want use DPDK, not OVDK, if I run l2fwd-ivshmem, do I use a
patched qemu or just a normal qemu?

-----Original Message-----
From: Gray, Mark D [mailto:mark.d.gray-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org] 
Sent: Wednesday, June 11, 2014 5:24 PM
To: Thomas Monjalon; GongJinrong
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: RE: [dpdk-dev] About ivshmem

> Hi,
> 
> 2014-06-11 16:53, GongJinrong:
> >     I found that the ivshmem are supported in DPDK 1.6 but has no 
> > any document about it, how do I use ivshmem? I remember that we must 
> > use a patched qemu binary for enabling ivshmem support in OVDK, does 
> > DPDK
> > 1.6 also need do this? Also, where can I find some ivshmem docs?
> 
> If you're looking for information about OVDK, you should ask on the 
> appropriate mailing list.

ovdk mailing List: https://lists.01.org/pipermail/dpdk-ovs/

ivshmem instructions:
https://github.com/01org/dpdk-ovs/blob/development/docs/04_Sample_Configurat
ions/01_IVSHM.md

> 
> If you are looking for a PMD using ivshmem, you should look at memnic:
> 	http://dpdk.org/doc/memnic-pmd
> 
> --
> Thomas
--------------------------------------------------------------
Intel Shannon Limited
Registered in Ireland
Registered Office: Collinstown Industrial Park, Leixlip, County Kildare
Registered Number: 308263 Business address: Dromore House, East Park,
Shannon, Co. Clare

This e-mail and any attachments may contain confidential material for the
sole use of the intended recipient(s). Any review or distribution by others
is strictly prohibited. If you are not the intended recipient, please
contact the sender and delete all copies.

Re: About ivshmem

[Gray, Mark D]

> 
> Thanks, I want use DPDK, not OVDK, if I run l2fwd-ivshmem, do I use a
> patched qemu or just a normal qemu?
> 

Patched.
--------------------------------------------------------------
Intel Shannon Limited
Registered in Ireland
Registered Office: Collinstown Industrial Park, Leixlip, County Kildare
Registered Number: 308263
Business address: Dromore House, East Park, Shannon, Co. Clare

This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies.

Re: About ivshmem

[GongJinrong]

Ok, thanks a lot.

-----Original Message-----
From: Gray, Mark D [mailto:mark.d.gray-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org] 
Sent: Wednesday, June 11, 2014 6:31 PM
To: GongJinrong; 'Thomas Monjalon'
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: RE: [dpdk-dev] About ivshmem

> 
> Thanks, I want use DPDK, not OVDK, if I run l2fwd-ivshmem, do I use a 
> patched qemu or just a normal qemu?
> 

Patched.
--------------------------------------------------------------
Intel Shannon Limited
Registered in Ireland
Registered Office: Collinstown Industrial Park, Leixlip, County Kildare
Registered Number: 308263 Business address: Dromore House, East Park,
Shannon, Co. Clare

This e-mail and any attachments may contain confidential material for the
sole use of the intended recipient(s). Any review or distribution by others
is strictly prohibited. If you are not the intended recipient, please
contact the sender and delete all copies.

Re: About ivshmem

[Thomas Monjalon]

2014-06-11 10:30, Gray, Mark D:
> 2014-06-11 18:13, GongJinrong:
> > Thanks, I want use DPDK, not OVDK, if I run l2fwd-ivshmem, do I use a
> > patched qemu or just a normal qemu?
> 
> Patched.

Not sure for l2fwd-ivshmem but you should be able to use memnic PMD
with a standard Qemu (not patched).

Mark, could you elaborate? Which patch are you thinking about?

-- 
Thomas