diff options
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_adminq_cmd.h | 27 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_common.c | 75 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_common.h | 6 |
3 files changed, 108 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index f10c1b8555a4..21b4c7cd6f05 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1853,6 +1853,30 @@ struct ice_aqc_get_pkg_info_resp { struct ice_aqc_get_pkg_info pkg_info[]; }; +/* Driver Shared Parameters (direct, 0x0C90) */ +struct ice_aqc_driver_shared_params { + u8 set_or_get_op; +#define ICE_AQC_DRIVER_PARAM_OP_MASK BIT(0) +#define ICE_AQC_DRIVER_PARAM_SET 0 +#define ICE_AQC_DRIVER_PARAM_GET 1 + u8 param_indx; +#define ICE_AQC_DRIVER_PARAM_MAX_IDX 15 + u8 rsvd[2]; + __le32 param_val; + __le32 addr_high; + __le32 addr_low; +}; + +enum ice_aqc_driver_params { + /* OS clock index for PTP timer Domain 0 */ + ICE_AQC_DRIVER_PARAM_CLK_IDX_TMR0 = 0, + /* OS clock index for PTP timer Domain 1 */ + ICE_AQC_DRIVER_PARAM_CLK_IDX_TMR1, + + /* Add new parameters above */ + ICE_AQC_DRIVER_PARAM_MAX = 16, +}; + /* Lan Queue Overflow Event (direct, 0x1001) */ struct ice_aqc_event_lan_overflow { __le32 prtdcb_ruptq; @@ -1930,6 +1954,7 @@ struct ice_aq_desc { struct ice_aqc_fw_logging fw_logging; struct ice_aqc_get_clear_fw_log get_clear_fw_log; struct ice_aqc_download_pkg download_pkg; + struct ice_aqc_driver_shared_params drv_shared_params; struct ice_aqc_set_mac_lb set_mac_lb; struct ice_aqc_alloc_free_res_cmd sw_res_ctrl; struct ice_aqc_set_mac_cfg set_mac_cfg; @@ -2083,6 +2108,8 @@ enum ice_adminq_opc { ice_aqc_opc_update_pkg = 0x0C42, ice_aqc_opc_get_pkg_info_list = 0x0C43, + ice_aqc_opc_driver_shared_params = 0x0C90, + /* Standalone Commands/Events */ ice_aqc_opc_event_lan_overflow = 0x1001, 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 * diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h index 86bc261177d6..8cc0a639c208 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.h +++ b/drivers/net/ethernet/intel/ice/ice_common.h @@ -185,6 +185,12 @@ ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded, enum ice_status ice_sched_query_elem(struct ice_hw *hw, u32 node_teid, struct ice_aqc_txsched_elem_data *buf); +int +ice_aq_set_driver_param(struct ice_hw *hw, enum ice_aqc_driver_params idx, + u32 value, struct ice_sq_cd *cd); +int +ice_aq_get_driver_param(struct ice_hw *hw, enum ice_aqc_driver_params idx, + u32 *value, struct ice_sq_cd *cd); enum ice_status ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size, struct ice_sq_cd *cd); |