From patchwork Wed Dec 22 16:39:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kubalewski, Arkadiusz" X-Patchwork-Id: 527591 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F441C433F5 for ; Wed, 22 Dec 2021 16:55:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344025AbhLVQzd (ORCPT ); Wed, 22 Dec 2021 11:55:33 -0500 Received: from mga03.intel.com ([134.134.136.65]:25900 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344022AbhLVQzd (ORCPT ); Wed, 22 Dec 2021 11:55:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1640192133; x=1671728133; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=El701JAYCmksh+pTMSuf3TDW6Jr+4cN+JjxHHSOzua8=; b=XWfWvT+ozCd6Vm5mSsZvjLfoJa8Ah2mnMuOqPiXRFer3sUZ74xwpSQV3 jJGnBT3GVWnzb3dbjufUT0iEIn/ynnn04oexRjVndxe+6hOrmB0h1N0Hz ujwX2F9S61QIxaw7vYqheJbKwRMIUPOHqzZAH12GYr/cKTGAZlO0IIjZI sLOXHuOem/TvPSyegVwzqEze+Kgq0StNGuf0Uqf9fNas1uA+fY2CshlTt /hSMIM87TZ76hStSYzFD4hYc60MCFHzBy3HXSijN2lE39HKjfpeVuC4V3 MZHIaOKPUEkrdAE8C/mx7rLsT1dch9gKwz21AWXQQE60o5jgw/anj9YGh A==; X-IronPort-AV: E=McAfee;i="6200,9189,10206"; a="240613318" X-IronPort-AV: E=Sophos;i="5.88,227,1635231600"; d="scan'208";a="240613318" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Dec 2021 08:55:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,227,1635231600"; d="scan'208";a="468230244" Received: from lajkonik.igk.intel.com ([10.211.8.72]) by orsmga006.jf.intel.com with ESMTP; 22 Dec 2021 08:55:28 -0800 From: Arkadiusz Kubalewski To: maciej.machnikowski@intel.com, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org Cc: richardcochran@gmail.com, abyagowi@fb.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org, linux-kselftest@vger.kernel.org, idosch@idosch.org, mkubecek@suse.cz, saeed@kernel.org, michael.chan@broadcom.com, petrm@nvidia.com, vfedorenko@novek.ru, Arkadiusz Kubalewski Subject: [PATCH v6 net-next 1/4] ice: add support detecting features based on netlist Date: Wed, 22 Dec 2021 11:39:50 -0500 Message-Id: <20211222163952.413183-2-arkadiusz.kubalewski@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211222163952.413183-1-arkadiusz.kubalewski@intel.com> References: <20211222163952.413183-1-arkadiusz.kubalewski@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org 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. Co-developed-by: Maciej Machnikowski Signed-off-by: Maciej Machnikowski Signed-off-by: Arkadiusz Kubalewski --- 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 5505bd658a9b..9ff958554d89 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -183,6 +183,8 @@ 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 ad1dcfa5ff65..1e8049ea9f68 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1299,6 +1299,8 @@ 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) @@ -1335,7 +1337,10 @@ 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 157add1268d9..399b5d86b12d 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -273,6 +273,79 @@ 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 + */ +int +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 -EOPNOTSUPP; + + 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 0; +} + +#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 0 is returned, ENOENT otherwise. + * If @node_handle provided, it would be set to found node handle. + */ +int +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; + u16 rec_node_handle; + int status; + 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 0; + } + } + + return -ENOENT; +} + /** * ice_is_media_cage_present * @pi: port information structure @@ -5086,3 +5159,53 @@ 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 1c57097ddf0b..54c7f2abf477 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); int +ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd, + u8 *node_part_number, u16 *node_handle); +int +ice_find_netlist_node(struct ice_hw *hw, u8 node_type_ctx, u8 node_part_number, + u16 *node_handle); +int 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); int @@ -206,4 +212,7 @@ bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw); int 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 1999b12708de..cd97781b0d44 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -4141,8 +4141,12 @@ 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 58b1907e3ff1..19e4c98195f6 100644 --- a/drivers/net/ethernet/intel/ice/ice_type.h +++ b/drivers/net/ethernet/intel/ice/ice_type.h @@ -922,6 +922,7 @@ struct ice_hw { struct ice_mbx_snapshot mbx_snapshot; DECLARE_BITMAP(hw_ptype, ICE_FLOW_PTYPE_MAX); u16 io_expander_handle; + u8 cgu_part_number; }; /* Statistics collected by each port, VSI, VEB, and S-channel */