From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-3.sys.kth.se (smtp-3.sys.kth.se [130.237.48.192]) by dpdk.org (Postfix) with ESMTP id 606DC1B395 for ; Wed, 28 Nov 2018 10:54:22 +0100 (CET) Received: from smtp-3.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-3.sys.kth.se (Postfix) with ESMTP id 3918A3387; Wed, 28 Nov 2018 10:54:22 +0100 (CET) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-3.sys.kth.se ([127.0.0.1]) by smtp-3.sys.kth.se (smtp-3.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id XtougMGYSZ5S; Wed, 28 Nov 2018 10:54:21 +0100 (CET) X-KTH-Auth: barbette [192.16.125.165] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kth.se; s=default; t=1543398861; bh=JPhWhXreC9JK0K0EL4zBfQbzGeu78fC1mjsiSmaL04k=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=R44xQmCaF26O6uMosRJ8x4tDF2axS3E66nOqq80GgmpmHfb1xPFL8OuVkEeoY9bJ5 NlCN19NxS+Yfdw/S0Fe+cDkt3XOR1lTsvTXxpVQ7uIfQa+fUVOKVzkAXdpZUMf3MfN s9pM0rVF444c13jVCQ0/hou+IY3wf43/qnv2nIaA= X-KTH-mail-from: barbette@kth.se Received: from nslrack05.ssvl.kth.se (nslrack05.ssvl.kth.se [192.16.125.165]) by smtp-3.sys.kth.se (Postfix) with ESMTPSA id E135356FC; Wed, 28 Nov 2018 10:54:20 +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, 28 Nov 2018 10:52:11 +0100 Message-Id: <1543398732-79439-3-git-send-email-barbette@kth.se> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543398732-79439-1-git-send-email-barbette@kth.se> References: <1543398732-79439-1-git-send-email-barbette@kth.se> Subject: [dpdk-dev] [RFC PATCH 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: , X-List-Received-Date: Wed, 28 Nov 2018 09:54:22 -0000 Signed-off-by: Tom Barbette --- drivers/net/mlx5/mlx5.c | 1 + drivers/net/mlx5/mlx5.h | 1 + drivers/net/mlx5/mlx5_ethdev.c | 31 +++++++++++++++++++++++++++++++ drivers/net/mlx5/mlx5_glue.c | 8 ++++++++ drivers/net/mlx5/mlx5_glue.h | 2 ++ 5 files changed, 43 insertions(+) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 9e5cab169..ed799ab5a 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -372,6 +372,7 @@ const struct eth_dev_ops mlx5_dev_ops = { .xstats_reset = mlx5_xstats_reset, .xstats_get_names = mlx5_xstats_get_names, .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 bc500b2bc..3972debf5 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -258,6 +258,7 @@ 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); 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); int mlx5_force_link_status_change(struct rte_eth_dev *dev, int status); diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index d178ed6a1..eb97ab27e 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -557,6 +557,37 @@ 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 + */ +int +mlx5_read_clock(struct rte_eth_dev *dev, uint64_t *clock) +{ + struct 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 supported packet types. * diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c index dd10ad6de..e23296519 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) @@ -491,6 +498,7 @@ 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 2d92ba8bc..31ebee72a 100644 --- a/drivers/net/mlx5/mlx5_glue.h +++ b/drivers/net/mlx5/mlx5_glue.h @@ -70,6 +70,8 @@ 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) -- 2.17.1