From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matan Azrad Subject: [PATCH v2 3/4] net/mlx5: support a device removal check operation Date: Wed, 13 Dec 2017 14:29:29 +0000 Message-ID: <1513175370-16583-4-git-send-email-matan@mellanox.com> References: <1509637324-13525-1-git-send-email-matan@mellanox.com> <1513175370-16583-1-git-send-email-matan@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain Cc: dev@dpdk.org To: Adrien Mazarguil , Thomas Monjalon , Gaetan Rivet Return-path: Received: from EUR02-VE1-obe.outbound.protection.outlook.com (mail-eopbgr20049.outbound.protection.outlook.com [40.107.2.49]) by dpdk.org (Postfix) with ESMTP id 125371B018 for ; Wed, 13 Dec 2017 15:29:47 +0100 (CET) In-Reply-To: <1513175370-16583-1-git-send-email-matan@mellanox.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support to get removal status of mlx5 device. It is not supported in secondary process. Signed-off-by: Matan Azrad --- drivers/net/mlx5/mlx5.c | 2 ++ drivers/net/mlx5/mlx5.h | 1 + drivers/net/mlx5/mlx5_ethdev.c | 20 ++++++++++++++++++++ 3 files changed, 23 insertions(+) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 0548d17..e0b781b 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -303,6 +303,7 @@ struct mlx5_args { .tx_descriptor_status = mlx5_tx_descriptor_status, .rx_queue_intr_enable = mlx5_rx_intr_enable, .rx_queue_intr_disable = mlx5_rx_intr_disable, + .is_removed = mlx5_is_removed, }; static const struct eth_dev_ops mlx5_dev_sec_ops = { @@ -350,6 +351,7 @@ struct mlx5_args { .tx_descriptor_status = mlx5_tx_descriptor_status, .rx_queue_intr_enable = mlx5_rx_intr_enable, .rx_queue_intr_disable = mlx5_rx_intr_disable, + .is_removed = mlx5_is_removed, }; static struct { diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index e6a69b8..2ec7ae7 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -208,6 +208,7 @@ int mlx5_ibv_device_to_pci_addr(const struct ibv_device *, int mlx5_set_link_up(struct rte_eth_dev *dev); void priv_dev_select_tx_function(struct priv *priv, struct rte_eth_dev *dev); void priv_dev_select_rx_function(struct priv *priv, struct rte_eth_dev *dev); +int mlx5_is_removed(struct rte_eth_dev *dev); /* mlx5_mac.c */ diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index a3cef68..5cf0849 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -1474,3 +1474,23 @@ struct priv * dev->rx_pkt_burst = mlx5_rx_burst; } } + +/** + * Check if mlx5 device was removed. + * + * @param dev + * Pointer to Ethernet device structure. + * + * @return + * 1 when device is removed, otherwise 0. + */ +int +mlx5_is_removed(struct rte_eth_dev *dev) +{ + struct ibv_device_attr device_attr; + struct priv *priv = dev->data->dev_private; + + if (ibv_query_device(priv->ctx, &device_attr) == EIO) + return 1; + return 0; +} -- 1.8.3.1