Add new functions to check netlist of a given board for: - Recovered Clock device, - Clock Generation Unit, - Clock Multiplexer,
Initialize feature bits depending on detected components.
Signed-off-by: Maciej Machnikowski maciej.machnikowski@intel.com --- drivers/net/ethernet/intel/ice/ice.h | 2 + .../net/ethernet/intel/ice/ice_adminq_cmd.h | 7 +- drivers/net/ethernet/intel/ice/ice_common.c | 123 ++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_common.h | 9 ++ drivers/net/ethernet/intel/ice/ice_lib.c | 6 +- drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 1 + drivers/net/ethernet/intel/ice/ice_type.h | 1 + 7 files changed, 147 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index bf4ecd9a517c..3dc4caa41565 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -186,6 +186,8 @@
enum ice_feature { ICE_F_DSCP, + ICE_F_CGU, + ICE_F_PHY_RCLK, ICE_F_SMA_CTRL, ICE_F_MAX }; diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index 4eef3488d86f..339c2a86f680 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1297,6 +1297,8 @@ struct ice_aqc_link_topo_params { #define ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE 6 #define ICE_AQC_LINK_TOPO_NODE_TYPE_MEZZ 7 #define ICE_AQC_LINK_TOPO_NODE_TYPE_ID_EEPROM 8 +#define ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL 9 +#define ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX 10 #define ICE_AQC_LINK_TOPO_NODE_CTX_S 4 #define ICE_AQC_LINK_TOPO_NODE_CTX_M \ (0xF << ICE_AQC_LINK_TOPO_NODE_CTX_S) @@ -1333,7 +1335,10 @@ struct ice_aqc_link_topo_addr { struct ice_aqc_get_link_topo { struct ice_aqc_link_topo_addr addr; u8 node_part_num; -#define ICE_AQC_GET_LINK_TOPO_NODE_NR_PCA9575 0x21 +#define ICE_AQC_GET_LINK_TOPO_NODE_NR_PCA9575 0x21 +#define ICE_ACQ_GET_LINK_TOPO_NODE_NR_ZL30632_80032 0x24 +#define ICE_ACQ_GET_LINK_TOPO_NODE_NR_PKVL 0x31 +#define ICE_ACQ_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX 0x47 u8 rsvd[9]; };
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index b3066d0fea8b..35903b282885 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -274,6 +274,79 @@ ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type, return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd); }
+/** + * ice_aq_get_netlist_node + * @hw: pointer to the hw struct + * @cmd: get_link_topo AQ structure + * @node_part_number: output node part number if node found + * @node_handle: output node handle parameter if node found + */ +enum ice_status +ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd, + u8 *node_part_number, u16 *node_handle) +{ + struct ice_aq_desc desc; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo); + desc.params.get_link_topo = *cmd; + + if (ice_aq_send_cmd(hw, &desc, NULL, 0, NULL)) + return ICE_ERR_NOT_SUPPORTED; + + if (node_handle) + *node_handle = + le16_to_cpu(desc.params.get_link_topo.addr.handle); + if (node_part_number) + *node_part_number = desc.params.get_link_topo.node_part_num; + + return ICE_SUCCESS; +} + +#define MAX_NETLIST_SIZE 10 +/** + * ice_find_netlist_node + * @hw: pointer to the hw struct + * @node_type_ctx: type of netlist node to look for + * @node_part_number: node part number to look for + * @node_handle: output parameter if node found - optional + * + * Find and return the node handle for a given node type and part number in the + * netlist. When found ICE_SUCCESS is returned, ICE_ERR_DOES_NOT_EXIST + * otherwise. If @node_handle provided, it would be set to found node handle. + */ +enum ice_status +ice_find_netlist_node(struct ice_hw *hw, u8 node_type_ctx, u8 node_part_number, + u16 *node_handle) +{ + struct ice_aqc_get_link_topo cmd; + u8 rec_node_part_number; + enum ice_status status; + u16 rec_node_handle; + u8 idx; + + for (idx = 0; idx < MAX_NETLIST_SIZE; idx++) { + memset(&cmd, 0, sizeof(cmd)); + + cmd.addr.topo_params.node_type_ctx = + (node_type_ctx << ICE_AQC_LINK_TOPO_NODE_TYPE_S); + cmd.addr.topo_params.index = idx; + + status = ice_aq_get_netlist_node(hw, &cmd, + &rec_node_part_number, + &rec_node_handle); + if (status) + return status; + + if (rec_node_part_number == node_part_number) { + if (node_handle) + *node_handle = rec_node_handle; + return ICE_SUCCESS; + } + } + + return ICE_ERR_DOES_NOT_EXIST; +} + /** * ice_is_media_cage_present * @pi: port information structure @@ -5083,3 +5156,53 @@ bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw) } return false; } + +/** + * ice_is_phy_rclk_present_e810t + * @hw: pointer to the hw struct + * + * Check if the PHY Recovered Clock device is present in the netlist + */ +bool ice_is_phy_rclk_present_e810t(struct ice_hw *hw) +{ + if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL, + ICE_ACQ_GET_LINK_TOPO_NODE_NR_PKVL, NULL)) + return false; + + return true; +} + +/** + * ice_is_cgu_present_e810t + * @hw: pointer to the hw struct + * + * Check if the Clock Generation Unit (CGU) device is present in the netlist + */ +bool ice_is_cgu_present_e810t(struct ice_hw *hw) +{ + if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL, + ICE_ACQ_GET_LINK_TOPO_NODE_NR_ZL30632_80032, + NULL)) { + hw->cgu_part_number = + ICE_ACQ_GET_LINK_TOPO_NODE_NR_ZL30632_80032; + return true; + } + return false; +} + +/** + * ice_is_clock_mux_present_e810t + * @hw: pointer to the hw struct + * + * Check if the Clock Multiplexer device is present in the netlist + */ +bool ice_is_clock_mux_present_e810t(struct ice_hw *hw) +{ + if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX, + ICE_ACQ_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX, + NULL)) + return false; + + return true; +} + diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h index 65c1b3244264..b20a5c085246 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.h +++ b/drivers/net/ethernet/intel/ice/ice_common.h @@ -89,6 +89,12 @@ ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode, struct ice_aqc_get_phy_caps_data *caps, struct ice_sq_cd *cd); enum ice_status +ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd, + u8 *node_part_number, u16 *node_handle); +enum ice_status +ice_find_netlist_node(struct ice_hw *hw, u8 node_type_ctx, u8 node_part_number, + u16 *node_handle); +enum ice_status ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count, enum ice_adminq_opc opc, struct ice_sq_cd *cd); enum ice_status @@ -206,4 +212,7 @@ bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw); enum ice_status ice_lldp_fltr_add_remove(struct ice_hw *hw, u16 vsi_num, bool add); bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw); +bool ice_is_phy_rclk_present_e810t(struct ice_hw *hw); +bool ice_is_cgu_present_e810t(struct ice_hw *hw); +bool ice_is_clock_mux_present_e810t(struct ice_hw *hw); #endif /* _ICE_COMMON_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 40562600a8cf..2422215b7937 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -4183,8 +4183,12 @@ void ice_init_feature_support(struct ice_pf *pf) case ICE_DEV_ID_E810C_QSFP: case ICE_DEV_ID_E810C_SFP: ice_set_feature_support(pf, ICE_F_DSCP); - if (ice_is_e810t(&pf->hw)) + if (ice_is_clock_mux_present_e810t(&pf->hw)) ice_set_feature_support(pf, ICE_F_SMA_CTRL); + if (ice_is_phy_rclk_present_e810t(&pf->hw)) + ice_set_feature_support(pf, ICE_F_PHY_RCLK); + if (ice_is_cgu_present_e810t(&pf->hw)) + ice_set_feature_support(pf, ICE_F_CGU); break; default: break; diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c index 29f947c0cd2e..aa257db36765 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c @@ -800,3 +800,4 @@ bool ice_is_pca9575_present(struct ice_hw *hw)
return !status && handle; } + diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h index 9e0c2923c62e..a9dc16641bd4 100644 --- a/drivers/net/ethernet/intel/ice/ice_type.h +++ b/drivers/net/ethernet/intel/ice/ice_type.h @@ -920,6 +920,7 @@ struct ice_hw { struct list_head rss_list_head; struct ice_mbx_snapshot mbx_snapshot; u16 io_expander_handle; + u8 cgu_part_number; };
/* Statistics collected by each port, VSI, VEB, and S-channel */