vdpa/mlx5: Add debugfs subtree

Browse source

Add debugfs subtree and expose flow table ID and TIR number. This
information can be used by external tools to do extended
troubleshooting.

The information can be retrieved like so:
$ cat /sys/kernel/debug/mlx5/mlx5_core.sf.1/vdpa-0/rx/table_id
$ cat /sys/kernel/debug/mlx5/mlx5_core.sf.1/vdpa-0/rx/tirn

Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20221114131759.57883-8-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

...

This commit is contained in:

Eli Cohen 2022-11-14 15:17:58 +02:00 • committed by Michael S. Tsirkin

parent 72c67e9b90

commit 2942210043

4 changed files with 87 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/vdpa/mlx5/Makefile

View file

66

drivers/vdpa/mlx5/net/debug.c

View file

11

drivers/vdpa/mlx5/net/mlx5_vnet.c

View file

9

drivers/vdpa/mlx5/net/mlx5_vnet.h

View file