From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tetsuya Mukawa <mukawa@igel.co.jp>
Subject: Re: [RFC PATCH 0/5] virtio: Add a new layer to abstract
 pci access method
Date: Thu, 21 Jan 2016 20:10:42 +0900
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On 2016/01/21 20:07, Tetsuya Mukawa wrote:
> This patch series are not for upstreaming.
>
> It describe how to use a new access method abstraction of "virtio-pci.c".
> Because of this, some patches are not for upstreaming.
>
> For example, below changes will be shared with Jianfeng's patches.
> So these changes are just temporary.
>  - "--shm" option to allocate EAL memory.
>  - Some changes to access to EAL memory by virtual address.
>
> Anyway, some changes are not for upstreaming, but virtual virtio-net PMD
> should work with QEMU as described in commit log.
>
> Tetsuya Mukawa (5):
>   virtio: Change the parameter order of io_write8/16/32()
>   virtio: move rte_eal_pci_unmap_device() to virtio_pci.c
>   virtio: Add a new layer to abstract pci access method
>   EAL: Add new EAL "--shm" option.
>   virtio: Extend virtio-net PMD to support container environment
>
>  config/common_linuxapp                     |    1 +
>  drivers/net/virtio/Makefile                |    4 +
>  drivers/net/virtio/qtest.c                 | 1237 ++++++++++++++++++++++++++++
>  drivers/net/virtio/virtio_ethdev.c         |  454 ++++++++--
>  drivers/net/virtio/virtio_ethdev.h         |   12 +
>  drivers/net/virtio/virtio_pci.c            |  732 ++++++++++++----
>  drivers/net/virtio/virtio_pci.h            |   39 +-
>  drivers/net/virtio/virtio_rxtx.c           |    3 +-
>  drivers/net/virtio/virtqueue.h             |    9 +-
>  lib/librte_eal/common/eal_common_options.c |    5 +
>  lib/librte_eal/common/eal_internal_cfg.h   |    1 +
>  lib/librte_eal/common/eal_options.h        |    2 +
>  lib/librte_eal/common/include/rte_memory.h |    5 +
>  lib/librte_eal/linuxapp/eal/eal_memory.c   |   76 ++
>  14 files changed, 2337 insertions(+), 243 deletions(-)
>  create mode 100644 drivers/net/virtio/qtest.c
>

Hi Yuanhan and Jianfeng,

Here is example how to use this new abstraction.
Please check first 3 patches to know how to implement the abstraction.

Also please see changes for "virtio_pci.c" involved in last patch.
This is the example.

Thanks,
Tetsuya