[dpdk-dev] [PATCH 0/6 for 2.3] initial virtio 1.0 enabling

Xu, Qian Q qian.q.xu at intel.com
Mon Jan 4 04:55:14 CET 2016


Does dpdk vhost-switch sample support virtio1.0? I tried it but seems not working. 

Thanks
Qian


-----Original Message-----
From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Tan, Jianfeng
Sent: Tuesday, December 29, 2015 7:19 PM
To: Yuanhan Liu; dev at dpdk.org
Subject: Re: [dpdk-dev] [PATCH 0/6 for 2.3] initial virtio 1.0 enabling



> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Yuanhan Liu
> Sent: Thursday, December 10, 2015 11:54 AM
> To: dev at dpdk.org
> Subject: [dpdk-dev] [PATCH 0/6 for 2.3] initial virtio 1.0 enabling
> 
> Hi,
> 
> Here is an initial virtio 1.0 pmd driver enabling.
> 
> Almost all difference comes from virtio 1.0 are the PCI layout change:
> the major configuration structures are stored at bar space, and their 
> location is stored at corresponding pci cap structure. Reading/parsing 
> them is one of the major work of patch 6.
> 
> To make handling virtio v1.0 and v0.95 co-exist well, this patch set 
> introduces a virtio_pci_ops structure, to add another layer so that we 
> could keep those vtpci_foo_bar "APIs". With that, we could do the 
> minimum change to add virtio 1.0 support.


Please point out from which version, qemu starts to support virtio 1.0 net devices.

Thanks,
Jianfeng

> 
> Note that the enabling is still in rough state, and it's likely I may 
> miss something. So, comments are huge welcome!
> 
> 	--yliu
> 
> ---
> Yuanhan Liu (6):
>   virtio: don't set vring address again at queue startup
>   virtio: introduce struct virtio_pci_ops
>   virtio: move left pci stuff to virtio_pci.c
>   viritio: switch to 64 bit features
>   virtio: set RTE_PCI_DRV_NEED_MAPPING flag
>   virtio: add virtio v1.0 support
> 
>  drivers/net/virtio/virtio_ethdev.c | 297 +--------------
>  drivers/net/virtio/virtio_ethdev.h |   3 +-
>  drivers/net/virtio/virtio_pci.c    | 752
> +++++++++++++++++++++++++++++++++++--
>  drivers/net/virtio/virtio_pci.h    | 100 ++++-
>  drivers/net/virtio/virtio_rxtx.c   |  15 -
>  drivers/net/virtio/virtqueue.h     |   4 +-
>  6 files changed, 843 insertions(+), 328 deletions(-)
> 
> --
> 1.9.0



More information about the dev mailing list