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devlink: Add new "enable_vnet" generic device param

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Add new device generic parameter to enable/disable creation of
VDPA net auxiliary device and associated device functionality
in the devlink instance.

User who prefers to disable such functionality can disable it using below
example.

$ devlink dev param set pci/0000:06:00.0 \
              name enable_vnet value false cmode driverinit
$ devlink dev reload pci/0000:06:00.0

At this point devlink instance do not create auxiliary device for the
VDPA net functionality.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Parav Pandit
2021-08-10 16:24:17 +03:00
committed by David S. Miller
parent 8ddaabee3c
commit 076b2a9dbb
3 changed files with 13 additions and 0 deletions
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4
Documentation/networking/devlink/devlink-params.rst
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@@ -105,6 +105,10 @@ own name.
- Boolean
- When enabled, the device driver will instantiate RDMA specific
auxiliary device of the devlink device.
* - ``enable_vnet``
- Boolean
- When enabled, the device driver will instantiate VDPA networking
specific auxiliary device of the devlink device.
* - ``internal_err_reset``
- Boolean
- When enabled, the device driver will reset the device on internal