[dpdk-dev] [PATCH v2 1/2] vhost: introduce API to get vDPA device number

[Wang, Xiao W]

Hi,

> -----Original Message-----
> From: Ye, Xiaolong
> Sent: Friday, September 14, 2018 2:07 AM
> To: dev at dpdk.org; Maxime Coquelin <maxime.coquelin at redhat.com>; Bie,
> Tiwei <tiwei.bie at intel.com>; Wang, Zhihong <zhihong.wang at intel.com>
> Cc: Wang, Xiao W <xiao.w.wang at intel.com>; Rami Rosen
> <roszenrami at gmail.com>; Wang, Haiyue <haiyue.wang at intel.com>; Ye,
> Xiaolong <xiaolong.ye at intel.com>
> Subject: [PATCH v2 1/2] vhost: introduce API to get vDPA device number
> 
> Signed-off-by: Xiaolong Ye <xiaolong.ye at intel.com>
> ---
>  lib/librte_vhost/rte_vdpa.h | 3 +++
>  lib/librte_vhost/vdpa.c     | 6 ++++++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/lib/librte_vhost/rte_vdpa.h b/lib/librte_vhost/rte_vdpa.h
> index 90465ca26..b8223e337 100644
> --- a/lib/librte_vhost/rte_vdpa.h
> +++ b/lib/librte_vhost/rte_vdpa.h
> @@ -84,4 +84,7 @@ rte_vdpa_find_device_id(struct rte_vdpa_dev_addr
> *addr);
>  struct rte_vdpa_device * __rte_experimental
>  rte_vdpa_get_device(int did);

add it also to *version.map, so that we can link it as shared lib.

> 
> +/* Get current available vdpa device number */
> +int __rte_experimental
> +rte_vdpa_get_device_num(void);
>  #endif /* _RTE_VDPA_H_ */
> diff --git a/lib/librte_vhost/vdpa.c b/lib/librte_vhost/vdpa.c
> index c82fd4370..c2c5dff1d 100644
> --- a/lib/librte_vhost/vdpa.c
> +++ b/lib/librte_vhost/vdpa.c
> @@ -113,3 +113,9 @@ rte_vdpa_get_device(int did)
> 
>  	return vdpa_devices[did];
>  }
> +
> +int
> +rte_vdpa_get_device_num(void)
> +{
> +	return vdpa_device_num;
> +}
> --
> 2.17.1

It's better to have a cover letter for a patch set.

BRs,
Xiao