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devlink: Add 'fw_load_policy' generic parameter

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Many drivers load the device's firmware image during the initialization
flow either from the flash or from the disk. Currently this option is not
controlled by the user and the driver decides from where to load the
firmware image.

'fw_load_policy' gives the ability to control this option which allows the
user to choose between different loading policies supported by the driver.

This parameter can be useful while testing and/or debugging the device. For
example, testing a firmware bug fix.

Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shalom Toledo
2018-12-03 07:58:59 +00:00
committed by David S. Miller
parent 6915bf3b00
commit 846e980a87
4 changed files with 23 additions and 0 deletions
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5
include/uapi/linux/devlink.h
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@@ -163,6 +163,11 @@ enum devlink_param_cmode {
DEVLINK_PARAM_CMODE_MAX = __DEVLINK_PARAM_CMODE_MAX - 1
};
enum devlink_param_fw_load_policy_value {
DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
};
enum devlink_attr {
/* don't change the order or add anything between, this is ABI! */
DEVLINK_ATTR_UNSPEC,