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devlink: Add a 'num_doorbells' driverinit param

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This parameter can be used by drivers to configure a different number of
doorbells.

Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Cosmin Ratiu
2025-09-16 17:11:43 +03:00
committed by Jakub Kicinski
parent 325db9c6f6
commit 6bdcb735fe
3 changed files with 12 additions and 0 deletions
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3
Documentation/networking/devlink/devlink-params.rst
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@@ -148,3 +148,6 @@ own name.
- The max number of Virtual Functions (VFs) exposed by the PF.
after reboot/pci reset, 'sriov_totalvfs' entry under the device's sysfs
directory will report this value.
* - ``num_doorbells``
- u32
- Controls the number of doorbells used by the device.