From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matan Azrad Subject: [PATCH v5 3/6] net/mlx5: support a device removal check operation Date: Wed, 17 Jan 2018 20:19:14 +0000 Message-ID: <1516220357-13013-4-git-send-email-matan@mellanox.com> References: <1515587465-9304-1-git-send-email-matan@mellanox.com> <1516220357-13013-1-git-send-email-matan@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Thomas Monjalon , dev@dpdk.org To: Ferruh Yigit , Adrien Mazarguil , Gaetan Rivet Return-path: Received: from EUR02-HE1-obe.outbound.protection.outlook.com (mail-eopbgr10041.outbound.protection.outlook.com [40.107.1.41]) by dpdk.org (Postfix) with ESMTP id 7FB9F1B2D8 for ; Wed, 17 Jan 2018 21:19:56 +0100 (CET) In-Reply-To: <1516220357-13013-1-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 1c95f35..c13a2d3 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -284,6 +284,7 @@ .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 = { @@ -331,6 +332,7 @@ .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 e740a4e..aaff180 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -237,6 +237,7 @@ int mlx5_ibv_device_to_pci_addr(const struct ibv_device *, void priv_dev_interrupt_handler_install(struct priv *, struct rte_eth_dev *); int mlx5_set_link_down(struct rte_eth_dev *dev); int mlx5_set_link_up(struct rte_eth_dev *dev); +int mlx5_is_removed(struct rte_eth_dev *dev); eth_tx_burst_t priv_select_tx_function(struct priv *, struct rte_eth_dev *); eth_rx_burst_t priv_select_rx_function(struct priv *, struct rte_eth_dev *); diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 6f78adc..1c067ca 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -1453,3 +1453,23 @@ struct ethtool_link_settings { } return rx_pkt_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