From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.tuxdriver.com (charlotte.tuxdriver.com [70.61.120.58]) by dpdk.org (Postfix) with ESMTP id 53696B5C7 for ; Mon, 16 Feb 2015 13:45:28 +0100 (CET) Received: from [67.210.173.2] (helo=localhost) by smtp.tuxdriver.com with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.63) (envelope-from ) id 1YNL39-0004kD-An; Mon, 16 Feb 2015 07:45:26 -0500 Date: Mon, 16 Feb 2015 07:45:13 -0500 From: Neil Horman To: Tetsuya Mukawa Message-ID: <20150216124513.GB18670@neilslaptop.think-freely.org> References: <1423470639-15744-2-git-send-email-mukawa@igel.co.jp> <1424060073-23484-9-git-send-email-mukawa@igel.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1424060073-23484-9-git-send-email-mukawa@igel.co.jp> User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Score: -2.9 (--) X-Spam-Status: No Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v8 08/14] eal/linux/pci: Add functions for unmapping igb_uio resources 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: , X-List-Received-Date: Mon, 16 Feb 2015 12:45:28 -0000 On Mon, Feb 16, 2015 at 01:14:27PM +0900, Tetsuya Mukawa wrote: > The patch adds functions for unmapping igb_uio resources. The patch is only > for Linux and igb_uio environment. VFIO and BSD are not supported. > > v8: > - Fix typo. > (Thanks to Iremonger, Bernard) > v5: > - Fix pci_unmap_device() to check pt_driver. > v4: > - Add parameter checking. > - Add header file to determine if hotplug can be enabled. > > Signed-off-by: Tetsuya Mukawa > --- > lib/librte_eal/common/Makefile | 1 + > lib/librte_eal/common/include/rte_dev_hotplug.h | 44 +++++++++++++++++ > lib/librte_eal/linuxapp/eal/eal_pci.c | 44 +++++++++++++++++ > lib/librte_eal/linuxapp/eal/eal_pci_init.h | 8 +++ > lib/librte_eal/linuxapp/eal/eal_pci_uio.c | 65 +++++++++++++++++++++++++ > 5 files changed, 162 insertions(+) > create mode 100644 lib/librte_eal/common/include/rte_dev_hotplug.h > > diff --git a/lib/librte_eal/common/Makefile b/lib/librte_eal/common/Makefile > index 52c1a5f..db7cc93 100644 > --- a/lib/librte_eal/common/Makefile > +++ b/lib/librte_eal/common/Makefile > @@ -41,6 +41,7 @@ INC += rte_eal_memconfig.h rte_malloc_heap.h > INC += rte_hexdump.h rte_devargs.h rte_dev.h > INC += rte_common_vect.h > INC += rte_pci_dev_feature_defs.h rte_pci_dev_features.h > +INC += rte_dev_hotplug.h > > ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y) > INC += rte_warnings.h > diff --git a/lib/librte_eal/common/include/rte_dev_hotplug.h b/lib/librte_eal/common/include/rte_dev_hotplug.h > new file mode 100644 > index 0000000..b333e0f > --- /dev/null > +++ b/lib/librte_eal/common/include/rte_dev_hotplug.h > @@ -0,0 +1,44 @@ > +/*- > + * BSD LICENSE > + * > + * Copyright(c) 2015 IGEL Co.,LTd. > + * All rights reserved. > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions > + * are met: > + * > + * * Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer. > + * * Redistributions in binary form must reproduce the above copyright > + * notice, this list of conditions and the following disclaimer in > + * the documentation and/or other materials provided with the > + * distribution. > + * * Neither the name of IGEL Co.,Ltd. nor the names of its > + * contributors may be used to endorse or promote products derived > + * from this software without specific prior written permission. > + * > + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS > + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT > + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR > + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT > + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, > + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT > + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, > + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY > + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT > + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE > + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. > + */ > + > +#ifndef _RTE_DEV_HOTPLUG_H_ > +#define _RTE_DEV_HOTPLUG_H_ > + > +/* > + * determine if hotplug can be enabled on the system > + */ > +#if defined(RTE_LIBRTE_EAL_HOTPLUG) && defined(RTE_LIBRTE_EAL_LINUXAPP) > +#define ENABLE_HOTPLUG > +#endif /* RTE_LIBRTE_EAL_HOTPLUG & RTE_LIBRTE_EAL_LINUXAPP */ I'm not sure why you're doing this. Why not just test RTE_LIBRTE_EAL_HOTPLUG in the various locations where your testing ENABLE_HOTPLUG? This seems like indirection for the sake of indirection. Neil