1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index e9eb48bd4b1e..39c1ed628be7 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -4681,6 +4681,81 @@ ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
 }
 
 /**
+ * ice_aq_set_driver_param - Set driver parameter to share via firmware
+ * @hw: pointer to the HW struct
+ * @idx: parameter index to set
+ * @value: the value to set the parameter to
+ * @cd: pointer to command details structure or NULL
+ *
+ * Set the value of one of the software defined parameters. All PFs connected
+ * to this device can read the value using ice_aq_get_driver_param.
+ *
+ * Note that firmware provides no synchronization or locking, and will not
+ * save the parameter value during a device reset. It is expected that
+ * a single PF will write the parameter value, while all other PFs will only
+ * read it.
+ */
+int
+ice_aq_set_driver_param(struct ice_hw *hw, enum ice_aqc_driver_params idx,
+			u32 value, struct ice_sq_cd *cd)
+{
+	struct ice_aqc_driver_shared_params *cmd;
+	struct ice_aq_desc desc;
+
+	if (idx >= ICE_AQC_DRIVER_PARAM_MAX)
+		return -EIO;
+
+	cmd = &desc.params.drv_shared_params;
+
+	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_shared_params);
+
+	cmd->set_or_get_op = ICE_AQC_DRIVER_PARAM_SET;
+	cmd->param_indx = idx;
+	cmd->param_val = cpu_to_le32(value);
+
+	return ice_status_to_errno(ice_aq_send_cmd(hw, &desc, NULL, 0, cd));
+}
+
+/**
+ * ice_aq_get_driver_param - Get driver parameter shared via firmware
+ * @hw: pointer to the HW struct
+ * @idx: parameter index to set
+ * @value: storage to return the shared parameter
+ * @cd: pointer to command details structure or NULL
+ *
+ * Get the value of one of the software defined parameters.
+ *
+ * Note that firmware provides no synchronization or locking. It is expected
+ * that only a single PF will write a given parameter.
+ */
+int
+ice_aq_get_driver_param(struct ice_hw *hw, enum ice_aqc_driver_params idx,
+			u32 *value, struct ice_sq_cd *cd)
+{
+	struct ice_aqc_driver_shared_params *cmd;
+	struct ice_aq_desc desc;
+	enum ice_status status;
+
+	if (idx >= ICE_AQC_DRIVER_PARAM_MAX)
+		return -EIO;
+
+	cmd = &desc.params.drv_shared_params;
+
+	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_shared_params);
+
+	cmd->set_or_get_op = ICE_AQC_DRIVER_PARAM_GET;
+	cmd->param_indx = idx;
+
+	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+	if (status)
+		return ice_status_to_errno(status);
+
+	*value = le32_to_cpu(cmd->param_val);
+
+	return 0;
+}
+
+/**
  * ice_fw_supports_link_override
  * @hw: pointer to the hardware structure
  *