From patchwork Wed Oct 29 08:49:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tetsuya Mukawa X-Patchwork-Id: 1006 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 506F47FE1; Wed, 29 Oct 2014 09:41:25 +0100 (CET) Received: from mail-pd0-f181.google.com (mail-pd0-f181.google.com [209.85.192.181]) by dpdk.org (Postfix) with ESMTP id 4D1F47FCB for ; Wed, 29 Oct 2014 09:41:20 +0100 (CET) Received: by mail-pd0-f181.google.com with SMTP id y10so2529268pdj.26 for ; Wed, 29 Oct 2014 01:50:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ZKiXb68iA8fxLSOgQzpzrI4heVWSVjFZAMr5UtNg2Uk=; b=XpieG0apVmrA2WnGRORcXVwoKjOilibhw5tlKiWnzhRf6t7VlknKYwE3ZL4IdD3/cY n+4xdcjHcyg0pSiebPT7ZD3ZuQHA4JLzZGooAbpaApyQX7Rates3h+OO0BombRrmvEBj sD1y8r3n32A3EccMEFxMEA5qT66xqh2wlb4RdmLN2tmFK2rmL6GneqndT1bNMPXbIKLS rv+25v/lE+QwAusRRT1ak2VmKFcVDPREaPmhhDFr18WZGuqACsyY1rIsnn6LmFzDAX3M JEubujDWCjEbLLGACZ3tsLs3UO/BJKOBRZsket21s8Cqqi1uK2r4pa22Zh4km7QqmzZd YSFQ== X-Gm-Message-State: ALoCoQlRnDEJDuQ6X5l+/ZtEplthwncjVUTGBZgdVA5X7Y03CEZYE0q7AbrNVrd69Y1rLZaDfDCd X-Received: by 10.66.139.106 with SMTP id qx10mr1009231pab.138.1414572610622; Wed, 29 Oct 2014 01:50:10 -0700 (PDT) Received: from eris.hq.igel.co.jp (napt.igel.co.jp. [219.106.231.132]) by mx.google.com with ESMTPSA id ky4sm3686872pbc.55.2014.10.29.01.50.08 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 29 Oct 2014 01:50:10 -0700 (PDT) From: Tetsuya Mukawa To: dev@dpdk.org Date: Wed, 29 Oct 2014 17:49:17 +0900 Message-Id: <1414572576-21371-7-git-send-email-mukawa@igel.co.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1414572576-21371-1-git-send-email-mukawa@igel.co.jp> References: <1414572576-21371-1-git-send-email-mukawa@igel.co.jp> Cc: nakajima.yoshihiro@lab.ntt.co.jp, masutani.hitoshi@lab.ntt.co.jp Subject: [dpdk-dev] [RFC PATCH 06/25] ethdev: Add rte_eth_dev_shutdown for closing PCI devices. X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" rte_eth_dev_shutdown() is called when PCI device is closed. Signed-off-by: Tetsuya Mukawa --- lib/librte_ether/rte_ethdev.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index aea6627..752e3e4 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -317,6 +317,42 @@ rte_eth_dev_init(struct rte_pci_driver *pci_drv, return diag; } +static int +rte_eth_dev_shutdown(struct rte_pci_driver *pci_drv, + struct rte_pci_device *pci_dev) +{ + struct eth_driver *eth_drv; + struct rte_eth_dev *eth_dev; + char ethdev_name[RTE_ETH_NAME_MAX_LEN]; + + /* Create unique Ethernet device name using PCI address */ + snprintf(ethdev_name, RTE_ETH_NAME_MAX_LEN, "%d:%d.%d", + pci_dev->addr.bus, pci_dev->addr.devid, + pci_dev->addr.function); + + eth_dev = rte_eth_dev_free(ethdev_name); + if (eth_dev == NULL) + return -ENODEV; + + eth_drv = (struct eth_driver *)pci_drv; + + /* Invoke PMD device shutdown function */ + if (*eth_drv->eth_dev_shutdown) + (*eth_drv->eth_dev_shutdown)(eth_drv, eth_dev); + + /* init user callbacks */ + TAILQ_INIT(&(eth_dev->callbacks)); + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(eth_dev->data->dev_private); + + eth_dev->pci_dev = NULL; + eth_dev->driver = NULL; + eth_dev->data = NULL; + + return 0; +} + /** * Register an Ethernet [Poll Mode] driver. * @@ -335,6 +371,7 @@ void rte_eth_driver_register(struct eth_driver *eth_drv) { eth_drv->pci_drv.devinit = rte_eth_dev_init; + eth_drv->pci_drv.devshutdown = rte_eth_dev_shutdown; rte_eal_pci_register(ð_drv->pci_drv); }