Add a new "enable_hot_fw_reset" generic device parameter to enable
or disable hot firmware reset capability on the device.
Cc: Jiri Pirko <j...@mellanox.com>
Cc: Michael Chan <michael.c...@broadcom.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.vo...@broadcom.com>
Reviewed-by: Edwin Peer <edwin.p...@broadcom.com>
---
Documentation/networking/devlink/devlink-params.rst | 6 ++++++
include/net/devlink.h | 4 ++++
net/core/devlink.c | 5 +++++
3 files changed, 15 insertions(+)
diff --git a/Documentation/networking/devlink/devlink-params.rst
b/Documentation/networking/devlink/devlink-params.rst
index d075fd0..ba75437 100644
--- a/Documentation/networking/devlink/devlink-params.rst
+++ b/Documentation/networking/devlink/devlink-params.rst
@@ -108,3 +108,9 @@ own name.
* - ``region_snapshot_enable``
- Boolean
- Enable capture of ``devlink-region`` snapshots.
+ * - ``enable_hot_fw_reset``
+ - Boolean
+ - Enable hot firmware reset on the device. When enabled, device supports
+ hot firmware reset capability which will be able to reset the running
+ firmware or upgrade/downgrade of flashed firmware without a driver
+ reload.
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 8ffc1b5c..57377bf 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -406,6 +406,7 @@ enum devlink_param_generic_id {
DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
+ DEVLINK_PARAM_GENERIC_ID_ENABLE_HOT_FW_RESET,
/* add new param generic ids above here*/
__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -443,6 +444,9 @@ enum devlink_param_generic_id {
#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
+#define DEVLINK_PARAM_GENERIC_ENABLE_HOT_FW_RESET_NAME "enable_hot_fw_reset"
+#define DEVLINK_PARAM_GENERIC_ENABLE_HOT_FW_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
+
#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
{ \
.id = DEVLINK_PARAM_GENERIC_ID_##_id, \
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 7b76e5f..32fb8e6 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -3011,6 +3011,11 @@ static int devlink_nl_cmd_flash_update(struct sk_buff
*skb,
.name = DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME,
.type = DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE,
},
+ {
+ .id = DEVLINK_PARAM_GENERIC_ID_ENABLE_HOT_FW_RESET,
+ .name = DEVLINK_PARAM_GENERIC_ENABLE_HOT_FW_RESET_NAME,
+ .type = DEVLINK_PARAM_GENERIC_ENABLE_HOT_FW_RESET_TYPE,
+ },
};
static int devlink_param_generic_verify(const struct devlink_param *param)
--
1.8.3.1
