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 */ From patchwork Wed Dec 22 16:39:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kubalewski, Arkadiusz" X-Patchwork-Id: 527304 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 6035DC433F5 for ; Wed, 22 Dec 2021 16:55:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344022AbhLVQzj (ORCPT ); Wed, 22 Dec 2021 11:55:39 -0500 Received: from mga07.intel.com ([134.134.136.100]:11454 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344039AbhLVQzi (ORCPT ); Wed, 22 Dec 2021 11:55:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; 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22 Dec 2021 08:55:34 -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 3/4] ice: add support for monitoring SyncE DPLL state Date: Wed, 22 Dec 2021 11:39:51 -0500 Message-Id: <20211222163952.413183-3-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 Implement SyncE DPLL monitoring for E810-T devices. Poll loop will periodically check the state of the DPLL and cache it in the pf structure. State changes will be logged in the system log. Co-developed-by: Maciej Machnikowski Signed-off-by: Maciej Machnikowski Signed-off-by: Arkadiusz Kubalewski --- drivers/net/ethernet/intel/ice/ice.h | 5 ++ .../net/ethernet/intel/ice/ice_adminq_cmd.h | 34 +++++++++++++ drivers/net/ethernet/intel/ice/ice_common.c | 36 ++++++++++++++ drivers/net/ethernet/intel/ice/ice_common.h | 5 ++ drivers/net/ethernet/intel/ice/ice_devids.h | 3 ++ drivers/net/ethernet/intel/ice/ice_ptp.c | 35 ++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 48 +++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 34 +++++++++++++ 8 files changed, 200 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 9ff958554d89..d97ea30505e6 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -609,6 +609,11 @@ struct ice_pf { #define ICE_VF_AGG_NODE_ID_START 65 #define ICE_MAX_VF_AGG_NODES 32 struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES]; + + enum ice_eec_state synce_dpll_state; + u8 synce_dpll_pin; + enum ice_eec_state ptp_dpll_state; + u8 ptp_dpll_pin; }; struct ice_netdev_priv { diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index 1e8049ea9f68..98d7a22185ce 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1815,6 +1815,36 @@ struct ice_aqc_add_rdma_qset_data { struct ice_aqc_add_tx_rdma_qset_entry rdma_qsets[]; }; +/* Get CGU DPLL status (direct 0x0C66) */ +struct ice_aqc_get_cgu_dpll_status { + u8 dpll_num; + u8 ref_state; +#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_LOS BIT(0) +#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_SCM BIT(1) +#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_CFM BIT(2) +#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_GST BIT(3) +#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_PFM BIT(4) +#define ICE_AQC_GET_CGU_DPLL_STATUS_REF_SW_ESYNC BIT(6) +#define ICE_AQC_GET_CGU_DPLL_STATUS_FAST_LOCK_EN BIT(7) + __le16 dpll_state; +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_LOCK BIT(0) +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO BIT(1) +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO_READY BIT(2) +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_FLHIT BIT(5) +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_PSLHIT BIT(7) +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SHIFT 8 +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SEL \ + ICE_M(0x1F, ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SHIFT) +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_MODE_SHIFT 13 +#define ICE_AQC_GET_CGU_DPLL_STATUS_STATE_MODE \ + ICE_M(0x7, ICE_AQC_GET_CGU_DPLL_STATUS_STATE_MODE_SHIFT) + __le32 phase_offset_h; + __le32 phase_offset_l; + u8 eec_mode; + u8 rsvd[1]; + __le16 node_handle; +}; + /* Configure Firmware Logging Command (indirect 0xFF09) * Logging Information Read Response (indirect 0xFF10) * Note: The 0xFF10 command has no input parameters. @@ -2046,6 +2076,7 @@ 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_get_cgu_dpll_status get_cgu_dpll_status; 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; @@ -2212,6 +2243,9 @@ enum ice_adminq_opc { ice_aqc_opc_update_pkg = 0x0C42, ice_aqc_opc_get_pkg_info_list = 0x0C43, + /* 1588/SyncE commands/events */ + ice_aqc_opc_get_cgu_dpll_status = 0x0C66, + ice_aqc_opc_driver_shared_params = 0x0C90, /* Standalone Commands/Events */ diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index 399b5d86b12d..cbc83928f3e1 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -4647,6 +4647,42 @@ ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, return status; } +/** + * ice_aq_get_cgu_dpll_status + * @hw: pointer to the HW struct + * @dpll_num: DPLL index + * @ref_state: Reference clock state + * @dpll_state: DPLL state + * @phase_offset: Phase offset in ps + * @eec_mode: EEC_mode + * + * Get CGU DPLL status (0x0C66) + */ +int +ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state, + u16 *dpll_state, u64 *phase_offset, u8 *eec_mode) +{ + struct ice_aqc_get_cgu_dpll_status *cmd; + struct ice_aq_desc desc; + int status; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status); + cmd = &desc.params.get_cgu_dpll_status; + cmd->dpll_num = dpll_num; + + status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); + if (!status) { + *ref_state = cmd->ref_state; + *dpll_state = le16_to_cpu(cmd->dpll_state); + *phase_offset = le32_to_cpu(cmd->phase_offset_h); + *phase_offset <<= 32; + *phase_offset += le32_to_cpu(cmd->phase_offset_l); + *eec_mode = cmd->eec_mode; + } + + return status; +} + /** * ice_replay_pre_init - replay pre initialization * @hw: pointer to the HW struct diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h index 54c7f2abf477..c253c0500512 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.h +++ b/drivers/net/ethernet/intel/ice/ice_common.h @@ -107,6 +107,8 @@ ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags, struct ice_sq_cd *cd); bool ice_is_e810(struct ice_hw *hw); int ice_clear_pf_cfg(struct ice_hw *hw); +bool ice_is_e810t(struct ice_hw *hw); +int ice_clear_pf_cfg(struct ice_hw *hw); int ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd); @@ -163,6 +165,9 @@ int ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 *rdma_qset, u16 num_qsets, u32 *qset_teid); int +ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state, + u16 *dpll_state, u64 *phase_offset, u8 *eec_mode); +int ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, u16 *q_id); int diff --git a/drivers/net/ethernet/intel/ice/ice_devids.h b/drivers/net/ethernet/intel/ice/ice_devids.h index 61dd2f18dee8..0b654d417d29 100644 --- a/drivers/net/ethernet/intel/ice/ice_devids.h +++ b/drivers/net/ethernet/intel/ice/ice_devids.h @@ -58,4 +58,7 @@ /* Intel(R) Ethernet Connection E822-L 1GbE */ #define ICE_DEV_ID_E822L_SGMII 0x189A +#define ICE_SUBDEV_ID_E810T 0x000E +#define ICE_SUBDEV_ID_E810T2 0x000F + #endif /* _ICE_DEVIDS_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index 0014a1002ed3..ed2e07a4f2d3 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -1759,6 +1759,36 @@ static void ice_ptp_tx_tstamp_cleanup(struct ice_ptp_tx *tx) } } +static void ice_handle_cgu_state(struct ice_pf *pf) +{ + enum ice_eec_state cgu_state; + u8 pin; + + cgu_state = ice_get_zl_dpll_state(&pf->hw, ICE_CGU_DPLL_SYNCE, &pin); + if (pf->synce_dpll_state != cgu_state) { + pf->synce_dpll_state = cgu_state; + pf->synce_dpll_pin = pin; + + dev_warn(ice_pf_to_dev(pf), + " state changed to: %d, pin %d", + ICE_CGU_DPLL_SYNCE, + pf->synce_dpll_state, + pin); + } + + cgu_state = ice_get_zl_dpll_state(&pf->hw, ICE_CGU_DPLL_PTP, &pin); + if (pf->ptp_dpll_state != cgu_state) { + pf->ptp_dpll_state = cgu_state; + pf->ptp_dpll_pin = pin; + + dev_warn(ice_pf_to_dev(pf), + " state changed to: %d, pin %d", + ICE_CGU_DPLL_PTP, + pf->ptp_dpll_state, + pin); + } +} + static void ice_ptp_periodic_work(struct kthread_work *work) { struct ice_ptp *ptp = container_of(work, struct ice_ptp, work.work); @@ -1767,6 +1797,10 @@ static void ice_ptp_periodic_work(struct kthread_work *work) if (!test_bit(ICE_FLAG_PTP, pf->flags)) return; + if (ice_is_feature_supported(pf, ICE_F_CGU) && + pf->hw.func_caps.ts_func_info.src_tmr_owned) + ice_handle_cgu_state(pf); + ice_ptp_update_cached_phctime(pf); ice_ptp_tx_tstamp_cleanup(&pf->ptp.port.tx); @@ -1951,3 +1985,4 @@ void ice_ptp_release(struct ice_pf *pf) dev_info(ice_pf_to_dev(pf), "Removed PTP clock\n"); } + diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c index aa257db36765..a9b1bc85215c 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c @@ -375,6 +375,54 @@ static int ice_ptp_port_cmd_e810(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd) return 0; } +/** + * ice_get_zl_dpll_state - get the state of the DPLL + * @hw: pointer to the hw struct + * @dpll_idx: Index of internal DPLL unit + * @pin: pointer to a buffer for returning currently active pin + * + * This function will read the state of the DPLL(dpll_idx). If optional + * parameter pin is given it'll be used to retrieve currently active pin. + * + * Return: state of the DPLL + */ +enum ice_eec_state +ice_get_zl_dpll_state(struct ice_hw *hw, u8 dpll_idx, u8 *pin) +{ + enum ice_eec_state status; + u64 phase_offset; + u16 dpll_state; + u8 ref_state; + u8 eec_mode; + + if (dpll_idx >= ICE_CGU_DPLL_MAX) + return ICE_EEC_STATE_INVALID; + + status = ice_aq_get_cgu_dpll_status(hw, dpll_idx, &ref_state, + &dpll_state, &phase_offset, + &eec_mode); + if (status) + return ICE_EEC_STATE_INVALID; + + if (pin) { + /* current ref pin in dpll_state_refsel_status_X register */ + *pin = (dpll_state & + ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SEL) >> + ICE_AQC_GET_CGU_DPLL_STATUS_STATE_CLK_REF_SHIFT; + } + + if (dpll_state & ICE_AQC_GET_CGU_DPLL_STATUS_STATE_LOCK) { + if (dpll_state & ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO_READY) + return ICE_EEC_STATE_LOCKED_HO_ACQ; + else + return ICE_EEC_STATE_LOCKED; + } else if ((dpll_state & ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO) && + (dpll_state & ICE_AQC_GET_CGU_DPLL_STATUS_STATE_HO_READY)) { + return ICE_EEC_STATE_HOLDOVER; + } + return ICE_EEC_STATE_FREERUN; +} + /* Device agnostic functions * * The following functions implement useful behavior to hide the differences diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h index b2984b5c22c1..28b04ec40bae 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h @@ -12,6 +12,18 @@ enum ice_ptp_tmr_cmd { READ_TIME }; +enum ice_eec_state { + ICE_EEC_STATE_INVALID = 0, /* state is not valid */ + ICE_EEC_STATE_FREERUN, /* clock is free-running */ + ICE_EEC_STATE_LOCKED, /* clock is locked to the reference, + * but the holdover memory is not valid + */ + ICE_EEC_STATE_LOCKED_HO_ACQ, /* clock is locked to the reference + * and holdover memory is valid + */ + ICE_EEC_STATE_HOLDOVER, /* clock is in holdover mode */ +}; + /* Increment value to generate nanoseconds in the GLTSYN_TIME_L register for * the E810 devices. Based off of a PLL with an 812.5 MHz frequency. */ @@ -33,6 +45,8 @@ int ice_ptp_init_phy_e810(struct ice_hw *hw); int ice_read_sma_ctrl_e810t(struct ice_hw *hw, u8 *data); int ice_write_sma_ctrl_e810t(struct ice_hw *hw, u8 data); bool ice_is_pca9575_present(struct ice_hw *hw); +enum ice_eec_state +ice_get_zl_dpll_state(struct ice_hw *hw, u8 dpll_idx, u8 *pin); #define PFTSYN_SEM_BYTES 4 @@ -98,4 +112,24 @@ bool ice_is_pca9575_present(struct ice_hw *hw); #define ICE_SMA_MAX_BIT_E810T 7 #define ICE_PCA9575_P1_OFFSET 8 +enum ice_e810t_cgu_dpll { + ICE_CGU_DPLL_SYNCE, + ICE_CGU_DPLL_PTP, + ICE_CGU_DPLL_MAX +}; + +enum ice_e810t_cgu_pins { + REF0P, + REF0N, + REF1P, + REF1N, + REF2P, + REF2N, + REF3P, + REF3N, + REF4P, + REF4N, + NUM_E810T_CGU_PINS +}; + #endif /* _ICE_PTP_HW_H_ */ From patchwork Wed Dec 22 16:39:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kubalewski, Arkadiusz" X-Patchwork-Id: 527590 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 926D5C433EF for ; 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X-IronPort-AV: E=McAfee;i="6200,9189,10206"; a="304028629" X-IronPort-AV: E=Sophos;i="5.88,227,1635231600"; d="scan'208";a="304028629" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Dec 2021 08:55:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,227,1635231600"; d="scan'208";a="468230285" Received: from lajkonik.igk.intel.com ([10.211.8.72]) by orsmga006.jf.intel.com with ESMTP; 22 Dec 2021 08:55:38 -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 4/4] ice: add support for recovered clocks Date: Wed, 22 Dec 2021 11:39:52 -0500 Message-Id: <20211222163952.413183-4-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 Implement ethtool netlink functions for handling recovered clocks configuration on ice driver: - ETHTOOL_MSG_RCLK_SET - ETHTOOL_MSG_RCLK_GET Co-developed-by: Maciej Machnikowski Signed-off-by: Maciej Machnikowski Signed-off-by: Arkadiusz Kubalewski --- .../net/ethernet/intel/ice/ice_adminq_cmd.h | 29 ++++++ drivers/net/ethernet/intel/ice/ice_common.c | 65 +++++++++++++ drivers/net/ethernet/intel/ice/ice_common.h | 6 ++ drivers/net/ethernet/intel/ice/ice_ethtool.c | 96 +++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 2 + 5 files changed, 198 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index 98d7a22185ce..4637f0d6b2ab 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1283,6 +1283,31 @@ struct ice_aqc_set_mac_lb { u8 reserved[15]; }; +/* Set PHY recovered clock output (direct 0x0630) */ +struct ice_aqc_set_phy_rec_clk_out { + u8 phy_output; + u8 port_num; + u8 flags; +#define ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN BIT(0) +#define ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT 0xFF + u8 rsvd; + __le32 freq; + u8 rsvd2[6]; + __le16 node_handle; +}; + +/* Get PHY recovered clock output (direct 0x0631) */ +struct ice_aqc_get_phy_rec_clk_out { + u8 phy_output; + u8 port_num; + u8 flags; +#define ICE_AQC_GET_PHY_REC_CLK_OUT_OUT_EN BIT(0) + u8 rsvd; + __le32 freq; + u8 rsvd2[6]; + __le16 node_handle; +}; + struct ice_aqc_link_topo_params { u8 lport_num; u8 lport_num_valid; @@ -2040,6 +2065,8 @@ struct ice_aq_desc { struct ice_aqc_get_phy_caps get_phy; struct ice_aqc_set_phy_cfg set_phy; struct ice_aqc_restart_an restart_an; + struct ice_aqc_set_phy_rec_clk_out set_phy_rec_clk_out; + struct ice_aqc_get_phy_rec_clk_out get_phy_rec_clk_out; struct ice_aqc_gpio read_write_gpio; struct ice_aqc_sff_eeprom read_write_sff_param; struct ice_aqc_set_port_id_led set_port_id_led; @@ -2195,6 +2222,8 @@ enum ice_adminq_opc { ice_aqc_opc_get_link_status = 0x0607, ice_aqc_opc_set_event_mask = 0x0613, ice_aqc_opc_set_mac_lb = 0x0620, + ice_aqc_opc_set_phy_rec_clk_out = 0x0630, + ice_aqc_opc_get_phy_rec_clk_out = 0x0631, ice_aqc_opc_get_link_topo = 0x06E0, ice_aqc_opc_set_port_id_led = 0x06E9, ice_aqc_opc_set_gpio = 0x06EC, diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index cbc83928f3e1..1bbe4b8757db 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -5245,3 +5245,68 @@ bool ice_is_clock_mux_present_e810t(struct ice_hw *hw) return true; } +/** + * ice_aq_set_phy_rec_clk_out - set RCLK phy out + * @hw: pointer to the HW struct + * @phy_output: PHY reference clock output pin + * @enable: GPIO state to be applied + * @freq: PHY output frequency + * + * Set CGU reference priority (0x0630) + * Return 0 on success or negative value on failure. + */ +int +ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable, + u32 *freq) +{ + struct ice_aqc_set_phy_rec_clk_out *cmd; + struct ice_aq_desc desc; + int status; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_rec_clk_out); + cmd = &desc.params.set_phy_rec_clk_out; + cmd->phy_output = phy_output; + cmd->port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT; + cmd->flags = enable & ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN; + cmd->freq = cpu_to_le32(*freq); + + status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); + if (!status) + *freq = le32_to_cpu(cmd->freq); + + return status; +} + +/** + * ice_aq_get_phy_rec_clk_out + * @hw: pointer to the HW struct + * @phy_output: PHY reference clock output pin + * @port_num: Port number + * @flags: PHY flags + * @freq: PHY output frequency + * + * Get PHY recovered clock output (0x0631) + */ +int +ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, u8 *port_num, + u8 *flags, u32 *freq) +{ + struct ice_aqc_get_phy_rec_clk_out *cmd; + struct ice_aq_desc desc; + int status; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_rec_clk_out); + cmd = &desc.params.get_phy_rec_clk_out; + cmd->phy_output = phy_output; + cmd->port_num = *port_num; + + status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); + if (!status) { + *port_num = cmd->port_num; + *flags = cmd->flags; + *freq = le32_to_cpu(cmd->freq); + } + + return status; +} + diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h index c253c0500512..314c53e31973 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.h +++ b/drivers/net/ethernet/intel/ice/ice_common.h @@ -168,6 +168,12 @@ int ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state, u16 *dpll_state, u64 *phase_offset, u8 *eec_mode); int +ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable, + u32 *freq); +int +ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, u8 *port_num, + u8 *flags, u32 *freq); +int ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, u16 *q_id); int diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index e2e3ef7fba7f..e8a0f99e56a0 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -4055,6 +4055,99 @@ ice_get_module_eeprom(struct net_device *netdev, return 0; } +/** + * ice_get_rclk_range - get range of recovered clock indices + * @netdev: network interface device structure + * @min_idx: min rclk index + * @max_idx: max rclk index + * @extack: netlink extended ack + */ +static int +ice_get_rclk_range(struct net_device *netdev, u32 *min_idx, u32 *max_idx, + struct netlink_ext_ack *extack) +{ + struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + + if (!ice_is_feature_supported(pf, ICE_F_CGU)) + return -EOPNOTSUPP; + + *min_idx = 0; + *max_idx = ICE_RCLK_PIN_MAX; + + return 0; +} + +/** + * ice_get_rclk_state - get state of a recovered frequency output pin + * @netdev: network interface device structure + * @out_idx: index of a questioned pin + * @ena: returned state of a pin + * @extack: netlink extended ack + */ +static int +ice_get_rclk_state(struct net_device *netdev, u32 out_idx, + bool *ena, struct netlink_ext_ack *extack) +{ + u8 port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT, flags; + struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + u32 freq; + int ret; + + if (!ice_is_feature_supported(pf, ICE_F_CGU)) + return -EOPNOTSUPP; + + if (out_idx > ICE_RCLK_PIN_MAX) + return -EINVAL; + + ret = ice_aq_get_phy_rec_clk_out(&pf->hw, out_idx, + &port_num, &flags, &freq); + if (ret) + return ret; + + if (flags & ICE_AQC_GET_PHY_REC_CLK_OUT_OUT_EN) + *ena = true; + else + *ena = false; + + return ret; +} + +/** + * ice_set_rclk_out - enable/disable recovered clock redirection to the + * output pin + * @netdev: network interface device structure + * @out_idx: index of pin being configured + * @ena: requested state of a pin + * @extack: netlink extended ack + */ +static int +ice_set_rclk_out(struct net_device *netdev, u32 out_idx, bool ena, + struct netlink_ext_ack *extack) +{ + struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + u32 freq; + int ret; + + if (!ice_is_feature_supported(pf, ICE_F_CGU)) + return -EOPNOTSUPP; + + if (out_idx > ICE_RCLK_PIN_MAX) + return -EINVAL; + + ret = ice_aq_set_phy_rec_clk_out(&pf->hw, out_idx, + ena, &freq); + if (ret) + return ret; + + return ret; +} + static const struct ethtool_ops ice_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_USE_ADAPTIVE | @@ -4100,6 +4193,9 @@ static const struct ethtool_ops ice_ethtool_ops = { .set_fecparam = ice_set_fecparam, .get_module_info = ice_get_module_info, .get_module_eeprom = ice_get_module_eeprom, + .get_rclk_range = ice_get_rclk_range, + .get_rclk_state = ice_get_rclk_state, + .set_rclk_out = ice_set_rclk_out, }; static const struct ethtool_ops ice_ethtool_safe_mode_ops = { diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h index 28b04ec40bae..865ca680b62e 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h @@ -132,4 +132,6 @@ enum ice_e810t_cgu_pins { NUM_E810T_CGU_PINS }; +#define ICE_RCLK_PIN_MAX (REF1N - REF1P) + #endif /* _ICE_PTP_HW_H_ */