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

Yuanhan Liu yuanhan.liu at linux.intel.com
Thu Dec 10 04:58:38 CET 2015


Michael,

Sorry that I forgot to CC you. (In fact, I intended to, but there is
a tiny bug at my send-email script :(

It'd be great if you could take some time to review it.

Thanks.

	--yliu


On Thu, Dec 10, 2015 at 11:54:04AM +0800, Yuanhan Liu wrote:
> 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.
> 
> 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


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