在 2021/10/22 上午12:35, Parav Pandit 写道:

Introduce a command to query a device config layout.

An example query of network vdpa device:

$ vdpa dev add name bar mgmtdev vdpasim_net

$ vdpa dev config show
bar: mac 00:35:09:19:48:05 link up link_announce false mtu 1500

Nit: it looks to me this patch doesn't expose link_announce but 
max_virtqueue_pairs.

Other looks good.

Thanks

$ vdpa dev config show -jp
{
     "config": {
         "bar": {
             "mac": "00:35:09:19:48:05",
             "link ": "up",
             "link_announce ": false,
             "mtu": 1500,
         }
     }
}

Signed-off-by: Parav Pandit<redacted>
Signed-off-by: Eli Cohen<redacted>

---
changelog:
v3->v4:
  - removed config space fields reporting which are not used by mlx5
    and sim drivers

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