[dpdk-dev] [PATCH v6 2/2] vhost: enable IOMMU for async vhost

[Hu, Jiayu]

> -----Original Message-----
> From: Ding, Xuan <xuan.ding at intel.com>
> Sent: Wednesday, September 29, 2021 10:41 AM
> To: dev at dpdk.org; Burakov, Anatoly <anatoly.burakov at intel.com>;
> maxime.coquelin at redhat.com; Xia, Chenbo <chenbo.xia at intel.com>
> Cc: Hu, Jiayu <jiayu.hu at intel.com>; Jiang, Cheng1 <cheng1.jiang at intel.com>;
> Richardson, Bruce <bruce.richardson at intel.com>; Pai G, Sunil
> <sunil.pai.g at intel.com>; Wang, Yinan <yinan.wang at intel.com>; Yang,
> YvonneX <yvonnex.yang at intel.com>; Ding, Xuan <xuan.ding at intel.com>
> Subject: [PATCH v6 2/2] vhost: enable IOMMU for async vhost
> 
> The use of IOMMU has many advantages, such as isolation and address
> translation. This patch extends the capbility of DMA engine to use IOMMU if
> the DMA engine is bound to vfio.
> 
> When set memory table, the guest memory will be mapped into the default
> container of DPDK.
> 
> Signed-off-by: Xuan Ding <xuan.ding at intel.com>
> ---
>  lib/vhost/vhost.h      |   4 ++
>  lib/vhost/vhost_user.c | 116
> ++++++++++++++++++++++++++++++++++++++++-
>  2 files changed, 118 insertions(+), 2 deletions(-)

Reviewed-by: Jiayu Hu <jiayu.hu at intel.com>