From patchwork Wed Mar 27 06:19:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tom Barbette X-Patchwork-Id: 51761 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 1BD8E5F13; Wed, 27 Mar 2019 07:20:07 +0100 (CET) Received: from smtp-4.sys.kth.se (smtp-4.sys.kth.se [130.237.48.193]) by dpdk.org (Postfix) with ESMTP id 121025A44 for ; Wed, 27 Mar 2019 07:19:58 +0100 (CET) Received: from smtp-4.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-4.sys.kth.se (Postfix) with ESMTP id DADAE66D5; Wed, 27 Mar 2019 07:19:57 +0100 (CET) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-4.sys.kth.se ([127.0.0.1]) by smtp-4.sys.kth.se (smtp-4.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id U5e9QXBs2CEy; Wed, 27 Mar 2019 07:19:57 +0100 (CET) X-KTH-Auth: barbette [130.237.20.142] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kth.se; s=default; t=1553667597; bh=XNS7s+Iq1cH7h3D9F1zeJ6ihF8tImlZhtPHeRy29EwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=R/+i4YP7gABDy6LyX4lUUOTSbaTT7jXwMnYQdacAAIvRJTNoooYydn9yut/kTeGcQ IYw+kR3cHi20QHtxPvst0eNo94wrA96xRPCTqCUpafvyRArO1QbYqxvwAsfr9XIIXp RBoy2t3rRj/THUaky8yy0oqYiSPNBcfnWWuQpKUo= X-KTH-mail-from: barbette@kth.se Received: from tom-kth-workstation.it.kth.se (s2587.it.kth.se [130.237.20.142]) by smtp-4.sys.kth.se (Postfix) with ESMTPSA id C94ED6716; Wed, 27 Mar 2019 07:19:56 +0100 (CET) From: Tom Barbette To: dev@dpdk.org Cc: bruce.richardson@intel.com, john.mcnamara@intel.com, Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko , Shahaf Shuler , Yongseok Koh , Tom Barbette Date: Wed, 27 Mar 2019 07:19:34 +0100 Message-Id: <20190327061935.19572-3-barbette@kth.se> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190327061935.19572-1-barbette@kth.se> References: <20190327061935.19572-1-barbette@kth.se> Subject: [dpdk-dev] [PATCH v2 2/3] mlx5: Implement support for read_clock X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Tom Barbette --- drivers/net/mlx5/mlx5.c | 1 + drivers/net/mlx5/mlx5.h | 1 + drivers/net/mlx5/mlx5_ethdev.c | 29 +++++++++++++++++++++++++++++ drivers/net/mlx5/mlx5_glue.c | 8 ++++++++ drivers/net/mlx5/mlx5_glue.h | 2 ++ 5 files changed, 41 insertions(+) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index ae4b71695..7091ff4bb 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -376,6 +376,7 @@ const struct eth_dev_ops mlx5_dev_ops = { .xstats_get_names = mlx5_xstats_get_names, .fw_version_get = mlx5_fw_version_get, .dev_infos_get = mlx5_dev_infos_get, + .read_clock = mlx5_read_clock, .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get, .vlan_filter_set = mlx5_vlan_filter_set, .rx_queue_setup = mlx5_rx_queue_setup, diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index 538445367..88394f391 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -275,6 +275,7 @@ int mlx5_set_flags(struct rte_eth_dev *dev, unsigned int keep, unsigned int flags); int mlx5_dev_configure(struct rte_eth_dev *dev); void mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info); +int mlx5_read_clock(struct rte_eth_dev *dev, uint64_t *time); int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size); const uint32_t *mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev); int mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete); diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index f84f7cf69..52262ee44 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -557,6 +557,35 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) } } +/** + * Get device current raw clock counter + * + * @param dev + * Pointer to Ethernet device structure. + * @param[out] time + * Current raw clock counter of the device. + * + * @return + * 0 if the clock has correctly been read + * The value of errno in case of error + */ +int +mlx5_read_clock(struct rte_eth_dev *dev, uint64_t *clock) +{ + struct mlx5_priv *priv = dev->data->dev_private; + struct ibv_values_ex values; + int err = 0; + + values.comp_mask = IBV_VALUES_MASK_RAW_CLOCK; + err = mlx5_glue->query_rt_values_ex(priv->ctx, &values); + if (err != 0) { + DRV_LOG(WARNING, "Could not query the clock !"); + return err; + } + *clock = values.raw_clock.tv_nsec; + return 0; +} + /** * Get firmware version of a device. * diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c index c817d86c5..c1786c5e9 100644 --- a/drivers/net/mlx5/mlx5_glue.c +++ b/drivers/net/mlx5/mlx5_glue.c @@ -86,6 +86,13 @@ mlx5_glue_query_device_ex(struct ibv_context *context, return ibv_query_device_ex(context, input, attr); } +static int +mlx5_glue_query_rt_values_ex(struct ibv_context *context, + struct ibv_values_ex *values) +{ + return ibv_query_rt_values_ex(context, values); +} + static int mlx5_glue_query_port(struct ibv_context *context, uint8_t port_num, struct ibv_port_attr *port_attr) @@ -603,6 +610,7 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){ .close_device = mlx5_glue_close_device, .query_device = mlx5_glue_query_device, .query_device_ex = mlx5_glue_query_device_ex, + .query_rt_values_ex = mlx5_glue_query_rt_values_ex, .query_port = mlx5_glue_query_port, .create_comp_channel = mlx5_glue_create_comp_channel, .destroy_comp_channel = mlx5_glue_destroy_comp_channel, diff --git a/drivers/net/mlx5/mlx5_glue.h b/drivers/net/mlx5/mlx5_glue.h index b11896062..fd651cc03 100644 --- a/drivers/net/mlx5/mlx5_glue.h +++ b/drivers/net/mlx5/mlx5_glue.h @@ -74,6 +74,8 @@ struct mlx5_glue { int (*query_device_ex)(struct ibv_context *context, const struct ibv_query_device_ex_input *input, struct ibv_device_attr_ex *attr); + int (*query_rt_values_ex)(struct ibv_context *context, + struct ibv_values_ex *values); int (*query_port)(struct ibv_context *context, uint8_t port_num, struct ibv_port_attr *port_attr); struct ibv_comp_channel *(*create_comp_channel)