From patchwork Fri Aug 8 05:36:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ethan zhao X-Patchwork-Id: 4693911 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 648849F377 for ; Fri, 8 Aug 2014 05:38:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 99EFA2017A for ; Fri, 8 Aug 2014 05:38:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8160420158 for ; Fri, 8 Aug 2014 05:38:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755878AbaHHFhP (ORCPT ); Fri, 8 Aug 2014 01:37:15 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:19194 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755719AbaHHFhM (ORCPT ); Fri, 8 Aug 2014 01:37:12 -0400 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s785aw7c025166 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 8 Aug 2014 05:36:59 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet22.oracle.com (8.14.5+Sun/8.14.5) with ESMTP id s785awlL015305 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 8 Aug 2014 05:36:58 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s785avs0014804; Fri, 8 Aug 2014 05:36:57 GMT Received: from etnux.cn.oracle.com (/10.182.70.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 07 Aug 2014 22:36:56 -0700 From: Ethan Zhao To: bhelgaas@google.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, gleb@kernel.org, pbonzini@redhat.com, kvm@vger.kernel.org, konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, david.vrabel@citrix.com, xen-devel@lists.xenproject.org Cc: alex.williamson@redhat.com, alexander.h.duyck@intel.com, ethan.kernel@gmail.com Subject: [PATCH 1/4] PCI: introduce helper functions for device flag operation Date: Fri, 8 Aug 2014 13:36:04 +0800 Message-Id: <1407476167-18935-2-git-send-email-ethan.zhao@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1407476167-18935-1-git-send-email-ethan.zhao@oracle.com> References: <1407476167-18935-1-git-send-email-ethan.zhao@oracle.com> X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch introduced three helper functions to hide direct device flag operation. void pci_set_dev_assigned(struct pci_dev *pdev); void pci_clear_dev_assigned(struct pci_dev *pdev); bool pci_is_dev_assigned(struct pci_dev *pdev); Signed-off-by: Ethan Zhao --- v2: simplify unnecessory ternary operation in function pci_is_dev_assigned(); v3: amend helper functions naming. --- include/linux/pci.h | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/include/linux/pci.h b/include/linux/pci.h index 466bcd1..b610ab3 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1829,4 +1829,17 @@ int pci_for_each_dma_alias(struct pci_dev *pdev, */ struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); +/* helper functions for operation of device flag */ +static inline void pci_set_dev_assigned(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED; +} +static inline void pci_clear_dev_assigned(struct pci_dev *pdev) +{ + pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED; +} +static inline bool pci_is_dev_assigned(struct pci_dev *pdev) +{ + return pdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED; +} #endif /* LINUX_PCI_H */