From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3387C3A59B for ; Mon, 2 Sep 2019 04:24:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9E6D321881 for ; Mon, 2 Sep 2019 04:24:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729580AbfIBEY6 (ORCPT ); Mon, 2 Sep 2019 00:24:58 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:35697 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729564AbfIBEY4 (ORCPT ); Mon, 2 Sep 2019 00:24:56 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from parav@mellanox.com) with ESMTPS (AES256-SHA encrypted); 2 Sep 2019 07:24:51 +0300 Received: from sw-mtx-036.mtx.labs.mlnx (sw-mtx-036.mtx.labs.mlnx [10.12.150.149]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x824OeRO001225; Mon, 2 Sep 2019 07:24:49 +0300 From: Parav Pandit To: alex.williamson@redhat.com, jiri@mellanox.com, kwankhede@nvidia.com, cohuck@redhat.com, davem@davemloft.net Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Parav Pandit Subject: [PATCH v3 4/5] mdev: Introduce an API mdev_alias Date: Sun, 1 Sep 2019 23:24:35 -0500 Message-Id: <20190902042436.23294-5-parav@mellanox.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190902042436.23294-1-parav@mellanox.com> References: <20190826204119.54386-1-parav@mellanox.com> <20190902042436.23294-1-parav@mellanox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Introduce an API mdev_alias() to provide access to optionally generated alias. Signed-off-by: Parav Pandit --- drivers/vfio/mdev/mdev_core.c | 12 ++++++++++++ include/linux/mdev.h | 1 + 2 files changed, 13 insertions(+) diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index c8cd40366783..9eec556fbdd4 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -517,6 +517,18 @@ struct device *mdev_get_iommu_device(struct device *dev) } EXPORT_SYMBOL(mdev_get_iommu_device); +/** + * mdev_alias: Return alias string of a mdev device + * @mdev: Pointer to the mdev device + * mdev_alias() returns alias string of a mdev device if alias is present, + * returns NULL otherwise. + */ +const char *mdev_alias(struct mdev_device *mdev) +{ + return mdev->alias; +} +EXPORT_SYMBOL(mdev_alias); + static int __init mdev_init(void) { int ret; diff --git a/include/linux/mdev.h b/include/linux/mdev.h index f036fe9854ee..6da82213bc4e 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -148,5 +148,6 @@ void mdev_unregister_driver(struct mdev_driver *drv); struct device *mdev_parent_dev(struct mdev_device *mdev); struct device *mdev_dev(struct mdev_device *mdev); struct mdev_device *mdev_from_dev(struct device *dev); +const char *mdev_alias(struct mdev_device *mdev); #endif /* MDEV_H */ -- 2.19.2