From patchwork Fri Jun 29 10:24:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rafal Kozik X-Patchwork-Id: 41935 X-Patchwork-Delegate: thomas@monjalon.net 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 E7D581B4DF; Fri, 29 Jun 2018 12:24:43 +0200 (CEST) Received: from mail-lj1-f195.google.com (mail-lj1-f195.google.com [209.85.208.195]) by dpdk.org (Postfix) with ESMTP id B14D11B4D1 for ; Fri, 29 Jun 2018 12:24:41 +0200 (CEST) Received: by mail-lj1-f195.google.com with SMTP id v15-v6so6909139ljk.5 for ; Fri, 29 Jun 2018 03:24:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=x5Giy6T7jTc0xkzs6uZkO8Y34Kp/dn62PInFN4x016Y=; b=BhS0tulcbaEq8mm7jr2H7A6G/CSJ3UZa410Dp49rdDKEsc4P0NSXSZGTcxHpp+YteW KMWRIQRO9CNumYbV4d8B5CP3DsgxJipOnAsTMrfj1PWpoISlCGovn83ow7W7JeePCGZX QEr+5ZrwXGDoBuxIbQo63/Dx9YV5+zaFo2RyZtUi8HCEjtTT8NKCRUiFJ7hb5QvaYMhK nieOalxQHuhY+Q58gZwjil205OXX3Av8ivrfTrUAozM4KiugU5eGUxuZx0r0sfsnruMU 9j1PDvG7RQStPPYrjr+GxO708bbJfdvPvii/1gpe5TZXUPb7xVNRY1hWsqUbp7EJURnH Drzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=x5Giy6T7jTc0xkzs6uZkO8Y34Kp/dn62PInFN4x016Y=; b=ZzkTAWyIcKmvzpDWRTtFSOtgqErLtfpOhhzjtrBOh5IByJekQSpnP4Oe+MMMDFJeHf gTju9LQyCDjoeHiMQaNw3mS0jOVlvVTNbc7e/SWPqJ+jbJ/46L8Xva+YA9yTKIUAZf+I 4qAbnLr5en3Q1Dv8sNBGbo+4bgWlHDdKN39qFN4PuUIpwNeg4OtyIqWEmDzZtZNGYNe6 YBCxM+MDPhJTHZbYH4p95gRK5gF5GxL0Di1sAKxQw6ZH2CT+WkIqX0tcZc4V16fGlDoJ thAycbos8dnb7Ur25ij/Zh798RIXpabekQXm0/Zf1y9qxZ3G4IZ+Pbwn4c9ABRxJ6V4d MgSw== X-Gm-Message-State: APt69E1t88RxVCkUc8LPK6WvTeubTOoH+4NT95JwCF5s/xuwMICTnkYE fWEffz0eFLZ6uasUERtDrNvsPMjG/wnhkg== X-Google-Smtp-Source: AAOMgpcJyOuXIbBKUi3BaMOBDy4iO65oAfXjteG59dORpkYM7vl3mIQzJsq2A60Y4tLwblrlMZ2X2A== X-Received: by 2002:a2e:1d50:: with SMTP id d77-v6mr10068268ljd.104.1530267881264; Fri, 29 Jun 2018 03:24:41 -0700 (PDT) Received: from rafalkozik.semihalf.local (31-172-191-173.noc.fibertech.net.pl. [31.172.191.173]) by smtp.gmail.com with ESMTPSA id d79-v6sm745514ljd.50.2018.06.29.03.24.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 29 Jun 2018 03:24:40 -0700 (PDT) From: Rafal Kozik To: dev@dpdk.org Cc: mw@semihalf.com, mk@semihalf.com, gtzalik@amazon.com, evgenys@amazon.com, matua@amazon.com, igorch@amazon.com, thomas@monjalon.net, ferruh.yigit@intel.com, Rafal Kozik Date: Fri, 29 Jun 2018 12:24:31 +0200 Message-Id: <1530267873-7236-3-git-send-email-rk@semihalf.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530267873-7236-1-git-send-email-rk@semihalf.com> References: <1530191753-18689-2-git-send-email-rk@semihalf.com> <1530267873-7236-1-git-send-email-rk@semihalf.com> Subject: [dpdk-dev] [PATCH v3 2/4] bus/pci: reference driver structure 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" Add pointer to driver structure before calling rte_pci_map_device. It allows to use driver flags for adjusting configuration. Signed-off-by: Rafal Kozik Acked-by: Bruce Richardson --- drivers/bus/pci/pci_common.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c index d8151b0..8f5d77f 100644 --- a/drivers/bus/pci/pci_common.c +++ b/drivers/bus/pci/pci_common.c @@ -158,17 +158,24 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr, RTE_LOG(INFO, EAL, " probe driver: %x:%x %s\n", dev->id.vendor_id, dev->id.device_id, dr->driver.name); + /* + * reference driver structure + * This need to be before rte_pci_map_device(), as it enable to use + * driver flags for adjusting configuration. + */ + dev->driver = dr; + dev->device.driver = &dr->driver; + if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) { /* map resources for devices that use igb_uio */ ret = rte_pci_map_device(dev); - if (ret != 0) + if (ret != 0) { + dev->driver = NULL; + dev->device.driver = NULL; return ret; + } } - /* reference driver structure */ - dev->driver = dr; - dev->device.driver = &dr->driver; - /* call the driver probe() function */ ret = dr->probe(dr, dev); if (ret) {