From patchwork Fri Jun 9 12:18:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arkadiusz Kubalewski X-Patchwork-Id: 13273849 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D2A0B174C7 for ; Fri, 9 Jun 2023 12:23:42 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 651D435B8; Fri, 9 Jun 2023 05:23:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686313386; x=1717849386; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Cemz/DGS3TNgJHRxofl0BWOMrYY6YbMc1yZMw/0KE04=; b=EQXDiQqSuUzSORLI9RQkXnttqZnwzFKIDBmsXkWS59pS/q/oucdQthNx fXrnpvdLybFT+DeVSeGEN/tK0NCYHmchOAlStoqxE2sbdW0WtdmzK3REv 2TpHiQAwnbQuMno8wZaQ2uiLO51VSoa0851Qi9fkm2l1ngJt0+IVC2i1F qX6StL/Hi6WKgHOS4YN68WWZK+D779DymKfDO42biDTcrJibsyRDi5+9b Nzez63DatSTzNnqvhhrlSh4XProd+RtH3U9850nO3WSJkXM2OAux+7Yh0 aMYWxSSQRHn9JIH6exua/8lqPk30p+4p1P1JkEIeq50WNKuRCSgqgKw/L A==; X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="337220469" X-IronPort-AV: E=Sophos;i="6.00,229,1681196400"; d="scan'208";a="337220469" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2023 05:23:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="710348850" X-IronPort-AV: E=Sophos;i="6.00,229,1681196400"; d="scan'208";a="710348850" Received: from amlin-018-114.igk.intel.com ([10.102.18.114]) by orsmga002.jf.intel.com with ESMTP; 09 Jun 2023 05:22:47 -0700 From: Arkadiusz Kubalewski To: kuba@kernel.org, jiri@resnulli.us, arkadiusz.kubalewski@intel.com, vadfed@meta.com, jonathan.lemon@gmail.com, pabeni@redhat.com Cc: corbet@lwn.net, davem@davemloft.net, edumazet@google.com, vadfed@fb.com, jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, saeedm@nvidia.com, leon@kernel.org, richardcochran@gmail.com, sj@kernel.org, javierm@redhat.com, ricardo.canuelo@collabora.com, mst@redhat.com, tzimmermann@suse.de, michal.michalik@intel.com, gregkh@linuxfoundation.org, jacek.lawrynowicz@linux.intel.com, airlied@redhat.com, ogabbay@kernel.org, arnd@arndb.de, nipun.gupta@amd.com, axboe@kernel.dk, linux@zary.sk, masahiroy@kernel.org, benjamin.tissoires@redhat.com, geert+renesas@glider.be, milena.olech@intel.com, kuniyu@amazon.com, liuhangbin@gmail.com, hkallweit1@gmail.com, andy.ren@getcruise.com, razor@blackwall.org, idosch@nvidia.com, lucien.xin@gmail.com, nicolas.dichtel@6wind.com, phil@nwl.cc, claudiajkang@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-rdma@vger.kernel.org, linux-arm-kernel@lists.infradead.org, poros@redhat.com, mschmidt@redhat.com, linux-clk@vger.kernel.org, vadim.fedorenko@linux.dev, Jiri Pirko Subject: [RFC PATCH v8 10/10] mlx5: Implement SyncE support using DPLL infrastructure Date: Fri, 9 Jun 2023 14:18:53 +0200 Message-Id: <20230609121853.3607724-11-arkadiusz.kubalewski@intel.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20230609121853.3607724-1-arkadiusz.kubalewski@intel.com> References: <20230609121853.3607724-1-arkadiusz.kubalewski@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC From: Jiri Pirko Implement SyncE support using newly introduced DPLL support. Make sure that each PFs/VFs/SFs probed with appropriate capability will spawn a dpll auxiliary device and register appropriate dpll device and pin instances. Signed-off-by: Jiri Pirko Signed-off-by: Arkadiusz Kubalewski --- .../net/ethernet/mellanox/mlx5/core/Kconfig | 8 + .../net/ethernet/mellanox/mlx5/core/Makefile | 3 + drivers/net/ethernet/mellanox/mlx5/core/dev.c | 17 + .../net/ethernet/mellanox/mlx5/core/dpll.c | 432 ++++++++++++++++++ include/linux/mlx5/driver.h | 2 + include/linux/mlx5/mlx5_ifc.h | 59 ++- 6 files changed, 520 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/dpll.c diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index bb1d7b039a7e..15a48d376eb3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -188,3 +188,11 @@ config MLX5_SF_MANAGER port is managed through devlink. A subfunction supports RDMA, netdevice and vdpa device. It is similar to a SRIOV VF but it doesn't require SRIOV support. + +config MLX5_DPLL + tristate "Mellanox 5th generation network adapters (ConnectX series) DPLL support" + depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE + select DPLL + help + DPLL support in Mellanox Technologies ConnectX NICs. + diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile index ddf1e352f51d..69434e8c2fb1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile @@ -123,3 +123,6 @@ mlx5_core-$(CONFIG_MLX5_SF) += sf/vhca_event.o sf/dev/dev.o sf/dev/driver.o irq_ # SF manager # mlx5_core-$(CONFIG_MLX5_SF_MANAGER) += sf/cmd.o sf/hw_table.o sf/devlink.o + +obj-$(CONFIG_MLX5_DPLL) += mlx5_dpll.o +mlx5_dpll-y := dpll.o diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index 1b33533b15de..7d677332a18b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -211,6 +211,19 @@ static bool is_ib_enabled(struct mlx5_core_dev *dev) return err ? false : val.vbool; } +static bool is_dpll_supported(struct mlx5_core_dev *dev) +{ + if (!IS_ENABLED(CONFIG_MLX5_DPLL)) + return false; + + if (!MLX5_CAP_MCAM_REG2(dev, synce_registers)) { + mlx5_core_warn(dev, "Missing SyncE capability\n"); + return false; + } + + return true; +} + enum { MLX5_INTERFACE_PROTOCOL_ETH, MLX5_INTERFACE_PROTOCOL_ETH_REP, @@ -220,6 +233,8 @@ enum { MLX5_INTERFACE_PROTOCOL_MPIB, MLX5_INTERFACE_PROTOCOL_VNET, + + MLX5_INTERFACE_PROTOCOL_DPLL, }; static const struct mlx5_adev_device { @@ -242,6 +257,8 @@ static const struct mlx5_adev_device { .is_supported = &is_ib_rep_supported }, [MLX5_INTERFACE_PROTOCOL_MPIB] = { .suffix = "multiport", .is_supported = &is_mp_supported }, + [MLX5_INTERFACE_PROTOCOL_DPLL] = { .suffix = "dpll", + .is_supported = &is_dpll_supported }, }; int mlx5_adev_idx_alloc(void) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dpll.c b/drivers/net/ethernet/mellanox/mlx5/core/dpll.c new file mode 100644 index 000000000000..9bff7044c614 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/dpll.c @@ -0,0 +1,432 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ + +#include +#include + +/* This structure represents a reference to DPLL, one is created + * per mdev instance. + */ +struct mlx5_dpll { + struct dpll_device *dpll; + struct dpll_pin *dpll_pin; + struct mlx5_core_dev *mdev; + struct workqueue_struct *wq; + struct delayed_work work; + struct { + bool valid; + enum dpll_lock_status lock_status; + enum dpll_pin_state pin_state; + } last; + struct notifier_block mdev_nb; + struct net_device *tracking_netdev; +}; + +static int mlx5_dpll_clock_id_get(struct mlx5_core_dev *mdev, u64 *clock_id) +{ + u32 out[MLX5_ST_SZ_DW(msecq_reg)] = {}; + u32 in[MLX5_ST_SZ_DW(msecq_reg)] = {}; + int err; + + err = mlx5_core_access_reg(mdev, in, sizeof(in), out, sizeof(out), + MLX5_REG_MSECQ, 0, 0); + if (err) + return err; + *clock_id = MLX5_GET64(msecq_reg, out, local_clock_identity); + return 0; +} + +static int +mlx5_dpll_synce_status_get(struct mlx5_core_dev *mdev, + enum mlx5_msees_admin_status *admin_status, + enum mlx5_msees_oper_status *oper_status, + bool *ho_acq) +{ + u32 out[MLX5_ST_SZ_DW(msees_reg)] = {}; + u32 in[MLX5_ST_SZ_DW(msees_reg)] = {}; + int err; + + err = mlx5_core_access_reg(mdev, in, sizeof(in), out, sizeof(out), + MLX5_REG_MSEES, 0, 0); + if (err) + return err; + if (admin_status) + *admin_status = MLX5_GET(msees_reg, out, admin_status); + *oper_status = MLX5_GET(msees_reg, out, oper_status); + if (ho_acq) + *ho_acq = MLX5_GET(msees_reg, out, ho_acq); + return 0; +} + +static int +mlx5_dpll_synce_status_set(struct mlx5_core_dev *mdev, + enum mlx5_msees_admin_status admin_status) +{ + u32 out[MLX5_ST_SZ_DW(msees_reg)] = {}; + u32 in[MLX5_ST_SZ_DW(msees_reg)] = {}; + + MLX5_SET(msees_reg, in, field_select, + MLX5_MSEES_FIELD_SELECT_ENABLE | + MLX5_MSEES_FIELD_SELECT_ADMIN_STATUS); + MLX5_SET(msees_reg, in, admin_status, admin_status); + return mlx5_core_access_reg(mdev, in, sizeof(in), out, sizeof(out), + MLX5_REG_MSEES, 0, 1); +} + +static enum dpll_lock_status +mlx5_dpll_lock_status_get(enum mlx5_msees_oper_status oper_status, bool ho_acq) +{ + switch (oper_status) { + case MLX5_MSEES_OPER_STATUS_SELF_TRACK: + fallthrough; + case MLX5_MSEES_OPER_STATUS_OTHER_TRACK: + return ho_acq ? DPLL_LOCK_STATUS_LOCKED_HO_ACQ : + DPLL_LOCK_STATUS_LOCKED; + case MLX5_MSEES_OPER_STATUS_HOLDOVER: + fallthrough; + case MLX5_MSEES_OPER_STATUS_FAIL_HOLDOVER: + return DPLL_LOCK_STATUS_HOLDOVER; + default: + return DPLL_LOCK_STATUS_UNLOCKED; + } +} + +static enum dpll_pin_state +mlx5_dpll_pin_state_get(enum mlx5_msees_admin_status admin_status, + enum mlx5_msees_oper_status oper_status) +{ + return (admin_status == MLX5_MSEES_ADMIN_STATUS_TRACK && + (oper_status == MLX5_MSEES_OPER_STATUS_SELF_TRACK || + oper_status == MLX5_MSEES_OPER_STATUS_OTHER_TRACK)) ? + DPLL_PIN_STATE_CONNECTED : DPLL_PIN_STATE_DISCONNECTED; +} + +static int mlx5_dpll_device_lock_status_get(const struct dpll_device *dpll, + void *priv, + enum dpll_lock_status *status, + struct netlink_ext_ack *extack) +{ + enum mlx5_msees_oper_status oper_status; + struct mlx5_dpll *mdpll = priv; + bool ho_acq; + int err; + + err = mlx5_dpll_synce_status_get(mdpll->mdev, NULL, + &oper_status, &ho_acq); + if (err) + return err; + + *status = mlx5_dpll_lock_status_get(oper_status, ho_acq); + return 0; +} + +static int mlx5_dpll_device_mode_get(const struct dpll_device *dpll, + void *priv, + u32 *mode, struct netlink_ext_ack *extack) +{ + *mode = DPLL_MODE_MANUAL; + return 0; +} + +static bool mlx5_dpll_device_mode_supported(const struct dpll_device *dpll, + void *priv, + enum dpll_mode mode, + struct netlink_ext_ack *extack) +{ + return mode == DPLL_MODE_MANUAL; +} + +static const struct dpll_device_ops mlx5_dpll_device_ops = { + .lock_status_get = mlx5_dpll_device_lock_status_get, + .mode_get = mlx5_dpll_device_mode_get, + .mode_supported = mlx5_dpll_device_mode_supported, +}; + +static int mlx5_dpll_pin_direction_get(const struct dpll_pin *pin, + void *pin_priv, + const struct dpll_device *dpll, + void *dpll_priv, + enum dpll_pin_direction *direction, + struct netlink_ext_ack *extack) +{ + *direction = DPLL_PIN_DIRECTION_INPUT; + return 0; +} + +static int mlx5_dpll_state_on_dpll_get(const struct dpll_pin *pin, + void *pin_priv, + const struct dpll_device *dpll, + void *dpll_priv, + enum dpll_pin_state *state, + struct netlink_ext_ack *extack) +{ + enum mlx5_msees_admin_status admin_status; + enum mlx5_msees_oper_status oper_status; + struct mlx5_dpll *mdpll = pin_priv; + int err; + + err = mlx5_dpll_synce_status_get(mdpll->mdev, &admin_status, + &oper_status, NULL); + if (err) + return err; + *state = mlx5_dpll_pin_state_get(admin_status, oper_status); + return 0; +} + +static int mlx5_dpll_state_on_dpll_set(const struct dpll_pin *pin, + void *pin_priv, + const struct dpll_device *dpll, + void *dpll_priv, + enum dpll_pin_state state, + struct netlink_ext_ack *extack) +{ + struct mlx5_dpll *mdpll = pin_priv; + + return mlx5_dpll_synce_status_set(mdpll->mdev, + state == DPLL_PIN_STATE_CONNECTED ? + MLX5_MSEES_ADMIN_STATUS_TRACK : + MLX5_MSEES_ADMIN_STATUS_FREE_RUNNING); +} + +static const struct dpll_pin_ops mlx5_dpll_pins_ops = { + .direction_get = mlx5_dpll_pin_direction_get, + .state_on_dpll_get = mlx5_dpll_state_on_dpll_get, + .state_on_dpll_set = mlx5_dpll_state_on_dpll_set, +}; + +static const struct dpll_pin_properties mlx5_dpll_pin_properties = { + .type = DPLL_PIN_TYPE_SYNCE_ETH_PORT, + .capabilities = DPLL_PIN_CAPS_STATE_CAN_CHANGE, +}; + +#define MLX5_DPLL_PERIODIC_WORK_INTERVAL 500 /* ms */ + +static void mlx5_dpll_periodic_work_queue(struct mlx5_dpll *mdpll) +{ + queue_delayed_work(mdpll->wq, &mdpll->work, + msecs_to_jiffies(MLX5_DPLL_PERIODIC_WORK_INTERVAL)); +} + +static void mlx5_dpll_periodic_work(struct work_struct *work) +{ + struct mlx5_dpll *mdpll = container_of(work, struct mlx5_dpll, + work.work); + enum mlx5_msees_admin_status admin_status; + enum mlx5_msees_oper_status oper_status; + enum dpll_lock_status lock_status; + enum dpll_pin_state pin_state; + bool ho_acq; + int err; + + err = mlx5_dpll_synce_status_get(mdpll->mdev, &admin_status, + &oper_status, &ho_acq); + if (err) + goto err_out; + lock_status = mlx5_dpll_lock_status_get(oper_status, ho_acq); + pin_state = mlx5_dpll_pin_state_get(admin_status, oper_status); + + if (!mdpll->last.valid) + goto invalid_out; + + if (mdpll->last.lock_status != lock_status) + dpll_device_change_ntf(mdpll->dpll); + if (mdpll->last.pin_state != pin_state) + dpll_pin_change_ntf(mdpll->dpll_pin); + +invalid_out: + mdpll->last.lock_status = lock_status; + mdpll->last.pin_state = pin_state; + mdpll->last.valid = true; +err_out: + mlx5_dpll_periodic_work_queue(mdpll); +} + +static void mlx5_dpll_netdev_dpll_pin_set(struct mlx5_dpll *mdpll, + struct net_device *netdev) +{ + if (mdpll->tracking_netdev) + return; + netdev_dpll_pin_set(netdev, mdpll->dpll_pin); + mdpll->tracking_netdev = netdev; +} + +static void mlx5_dpll_netdev_dpll_pin_clear(struct mlx5_dpll *mdpll) +{ + if (!mdpll->tracking_netdev) + return; + netdev_dpll_pin_clear(mdpll->tracking_netdev); + mdpll->tracking_netdev = NULL; +} + +static int mlx5_dpll_mdev_notifier_event(struct notifier_block *nb, + unsigned long event, void *data) +{ + struct mlx5_dpll *mdpll = container_of(nb, struct mlx5_dpll, mdev_nb); + struct net_device *netdev = data; + + switch (event) { + case MLX5_DRIVER_EVENT_UPLINK_NETDEV: + if (netdev) + mlx5_dpll_netdev_dpll_pin_set(mdpll, netdev); + else + mlx5_dpll_netdev_dpll_pin_clear(mdpll); + break; + default: + return NOTIFY_DONE; + } + + return NOTIFY_OK; +} + +static void mlx5_dpll_mdev_netdev_track(struct mlx5_dpll *mdpll, + struct mlx5_core_dev *mdev) +{ + mdpll->mdev_nb.notifier_call = mlx5_dpll_mdev_notifier_event; + mlx5_blocking_notifier_register(mdev, &mdpll->mdev_nb); + mlx5_core_uplink_netdev_event_replay(mdev); +} + +static void mlx5_dpll_mdev_netdev_untrack(struct mlx5_dpll *mdpll, + struct mlx5_core_dev *mdev) +{ + mlx5_blocking_notifier_unregister(mdev, &mdpll->mdev_nb); + mlx5_dpll_netdev_dpll_pin_clear(mdpll); +} + +static int mlx5_dpll_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct mlx5_adev *edev = container_of(adev, struct mlx5_adev, adev); + struct mlx5_core_dev *mdev = edev->mdev; + struct mlx5_dpll *mdpll; + u64 clock_id; + int err; + + err = mlx5_dpll_synce_status_set(mdev, + MLX5_MSEES_ADMIN_STATUS_FREE_RUNNING); + if (err) + return err; + + err = mlx5_dpll_clock_id_get(mdev, &clock_id); + if (err) + return err; + + mdpll = kzalloc(sizeof(*mdpll), GFP_KERNEL); + if (!mdpll) + return -ENOMEM; + mdpll->mdev = mdev; + auxiliary_set_drvdata(adev, mdpll); + + /* Multiple mdev instances might share one DPLL device. */ + mdpll->dpll = dpll_device_get(clock_id, 0, THIS_MODULE); + if (IS_ERR(mdpll->dpll)) { + err = PTR_ERR(mdpll->dpll); + goto err_free_mdpll; + } + + err = dpll_device_register(mdpll->dpll, DPLL_TYPE_EEC, + &mlx5_dpll_device_ops, mdpll); + if (err) + goto err_put_dpll_device; + + /* Multiple mdev instances might share one DPLL pin. */ + mdpll->dpll_pin = dpll_pin_get(clock_id, mlx5_get_dev_index(mdev), + THIS_MODULE, &mlx5_dpll_pin_properties); + if (IS_ERR(mdpll->dpll_pin)) { + err = PTR_ERR(mdpll->dpll_pin); + goto err_unregister_dpll_device; + } + + err = dpll_pin_register(mdpll->dpll, mdpll->dpll_pin, + &mlx5_dpll_pins_ops, mdpll); + if (err) + goto err_put_dpll_pin; + + mdpll->wq = create_singlethread_workqueue("mlx5_dpll"); + if (!mdpll->wq) { + err = -ENOMEM; + goto err_unregister_dpll_pin; + } + + mlx5_dpll_mdev_netdev_track(mdpll, mdev); + + INIT_DELAYED_WORK(&mdpll->work, &mlx5_dpll_periodic_work); + mlx5_dpll_periodic_work_queue(mdpll); + + return 0; + +err_unregister_dpll_pin: + dpll_pin_unregister(mdpll->dpll, mdpll->dpll_pin, + &mlx5_dpll_pins_ops, mdpll); +err_put_dpll_pin: + dpll_pin_put(mdpll->dpll_pin); +err_unregister_dpll_device: + dpll_device_unregister(mdpll->dpll, &mlx5_dpll_device_ops, mdpll); +err_put_dpll_device: + dpll_device_put(mdpll->dpll); +err_free_mdpll: + kfree(mdpll); + return err; +} + +static void mlx5_dpll_remove(struct auxiliary_device *adev) +{ + struct mlx5_dpll *mdpll = auxiliary_get_drvdata(adev); + struct mlx5_core_dev *mdev = mdpll->mdev; + + cancel_delayed_work(&mdpll->work); + mlx5_dpll_mdev_netdev_untrack(mdpll, mdev); + destroy_workqueue(mdpll->wq); + dpll_pin_unregister(mdpll->dpll, mdpll->dpll_pin, + &mlx5_dpll_pins_ops, mdpll); + dpll_pin_put(mdpll->dpll_pin); + dpll_device_unregister(mdpll->dpll, &mlx5_dpll_device_ops, mdpll); + dpll_device_put(mdpll->dpll); + kfree(mdpll); + + mlx5_dpll_synce_status_set(mdev, + MLX5_MSEES_ADMIN_STATUS_FREE_RUNNING); +} + +static int mlx5_dpll_suspend(struct auxiliary_device *adev, pm_message_t state) +{ + return 0; +} + +static int mlx5_dpll_resume(struct auxiliary_device *adev) +{ + return 0; +} + +static const struct auxiliary_device_id mlx5_dpll_id_table[] = { + { .name = MLX5_ADEV_NAME ".dpll", }, + {}, +}; + +MODULE_DEVICE_TABLE(auxiliary, mlx5_dpll_id_table); + +static struct auxiliary_driver mlx5_dpll_driver = { + .name = "dpll", + .probe = mlx5_dpll_probe, + .remove = mlx5_dpll_remove, + .suspend = mlx5_dpll_suspend, + .resume = mlx5_dpll_resume, + .id_table = mlx5_dpll_id_table, +}; + +static int __init mlx5_dpll_init(void) +{ + return auxiliary_driver_register(&mlx5_dpll_driver); +} + +static void __exit mlx5_dpll_exit(void) +{ + auxiliary_driver_unregister(&mlx5_dpll_driver); +} + +module_init(mlx5_dpll_init); +module_exit(mlx5_dpll_exit); + +MODULE_AUTHOR("Jiri Pirko "); +MODULE_DESCRIPTION("Mellanox 5th generation network adapters (ConnectX series) DPLL driver"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 94d2be5848ae..e063af87b552 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -154,6 +154,8 @@ enum { MLX5_REG_MCC = 0x9062, MLX5_REG_MCDA = 0x9063, MLX5_REG_MCAM = 0x907f, + MLX5_REG_MSECQ = 0x9155, + MLX5_REG_MSEES = 0x9156, MLX5_REG_MIRC = 0x9162, MLX5_REG_SBCAM = 0xB01F, MLX5_REG_RESOURCE_DUMP = 0xC000, diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index b89778d0d326..1381c668684f 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -10193,7 +10193,9 @@ struct mlx5_ifc_mcam_access_reg_bits2 { u8 mirc[0x1]; u8 regs_97_to_96[0x2]; - u8 regs_95_to_64[0x20]; + u8 regs_95_to_87[0x09]; + u8 synce_registers[0x2]; + u8 regs_84_to_64[0x15]; u8 regs_63_to_32[0x20]; @@ -12555,4 +12557,59 @@ struct mlx5_ifc_modify_page_track_obj_in_bits { struct mlx5_ifc_page_track_bits obj_context; }; +struct mlx5_ifc_msecq_reg_bits { + u8 reserved_at_0[0x20]; + + u8 reserved_at_20[0x12]; + u8 network_option[0x2]; + u8 local_ssm_code[0x4]; + u8 local_enhanced_ssm_code[0x8]; + + u8 local_clock_identity[0x40]; + + u8 reserved_at_80[0x180]; +}; + +enum { + MLX5_MSEES_FIELD_SELECT_ENABLE = BIT(0), + MLX5_MSEES_FIELD_SELECT_ADMIN_STATUS = BIT(1), + MLX5_MSEES_FIELD_SELECT_ADMIN_FREQ_MEASURE = BIT(2), +}; + +enum mlx5_msees_admin_status { + MLX5_MSEES_ADMIN_STATUS_FREE_RUNNING = 0x0, + MLX5_MSEES_ADMIN_STATUS_TRACK = 0x1, +}; + +enum mlx5_msees_oper_status { + MLX5_MSEES_OPER_STATUS_FREE_RUNNING = 0x0, + MLX5_MSEES_OPER_STATUS_SELF_TRACK = 0x1, + MLX5_MSEES_OPER_STATUS_OTHER_TRACK = 0x2, + MLX5_MSEES_OPER_STATUS_HOLDOVER = 0x3, + MLX5_MSEES_OPER_STATUS_FAIL_HOLDOVER = 0x4, + MLX5_MSEES_OPER_STATUS_FAIL_FREE_RUNNING = 0x5, +}; + +struct mlx5_ifc_msees_reg_bits { + u8 reserved_at_0[0x8]; + u8 local_port[0x8]; + u8 pnat[0x2]; + u8 lp_msb[0x2]; + u8 reserved_at_14[0xc]; + + u8 field_select[0x20]; + + u8 admin_status[0x4]; + u8 oper_status[0x4]; + u8 ho_acq[0x1]; + u8 reserved_at_49[0xc]; + u8 admin_freq_measure[0x1]; + u8 oper_freq_measure[0x1]; + u8 failure_reason[0x9]; + + u8 frequency_diff[0x20]; + + u8 reserved_at_80[0x180]; +}; + #endif /* MLX5_IFC_H */