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devlink: Add enable_remote_dev_reset generic parameter

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The enable_remote_dev_reset devlink param flags that the host admin
allows device resets that can be initiated by other hosts. This
parameter is useful for setups where a device is shared by different
hosts, such as multi-host setup. Once the user set this parameter to
false, the driver should NACK any attempt to reset the device while the
driver is loaded.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Moshe Shemesh
2020-10-07 09:00:53 +03:00
committed by Jakub Kicinski
parent 5ec697446f
commit 195d9dece1
3 changed files with 15 additions and 0 deletions
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6
Documentation/networking/devlink/devlink-params.rst
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@@ -108,3 +108,9 @@ own name.
* - ``region_snapshot_enable``
- Boolean
- Enable capture of ``devlink-region`` snapshots.
* - ``enable_remote_dev_reset``
- Boolean
- Enable device reset by remote host. When cleared, the device driver
will NACK any attempt of other host to reset the device. This parameter
is useful for setups where a device is shared by different hosts, such
as multi-host setup.