[dpdk-dev] [PATCH 1/6] vfio: allow DMA map of memory for the default vfio fd

[Burakov, Anatoly]

On 13-Feb-19 9:10 AM, Shahaf Shuler wrote:
> Enable users the option to call rte_vfio_dma_map with request to map
> to the default vfio fd.
> 
> Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
> ---
>   lib/librte_eal/common/include/rte_vfio.h |  6 ++++--
>   lib/librte_eal/linuxapp/eal/eal_vfio.c   | 14 ++++++++++++--
>   2 files changed, 16 insertions(+), 4 deletions(-)
> 
> diff --git a/lib/librte_eal/common/include/rte_vfio.h b/lib/librte_eal/common/include/rte_vfio.h
> index cae96fab90..2a6827012f 100644
> --- a/lib/librte_eal/common/include/rte_vfio.h
> +++ b/lib/librte_eal/common/include/rte_vfio.h
> @@ -347,7 +347,8 @@ rte_vfio_container_group_unbind(int container_fd, int iommu_group_num);
>    * Perform DMA mapping for devices in a container.
>    *
>    * @param container_fd
> - *   the specified container fd
> + *   the specified container fd. In case of -1 the default container
> + *   fd will be used.

I haven't looked at the patchset in depth yet, however, this changes the 
public API, so warrants a note in release notes.

-- 
Thanks,
Anatoly