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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 C8B82C3A5A4 for ; Fri, 23 Aug 2019 07:19:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA331233A0 for ; Fri, 23 Aug 2019 07:19:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389911AbfHWHTF (ORCPT ); Fri, 23 Aug 2019 03:19:05 -0400 Received: from mga18.intel.com ([134.134.136.126]:55023 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732030AbfHWHTE (ORCPT ); Fri, 23 Aug 2019 03:19:04 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Aug 2019 00:19:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,420,1559545200"; d="scan'208";a="180619562" Received: from allen-box.sh.intel.com ([10.239.159.136]) by fmsmga007.fm.intel.com with ESMTP; 23 Aug 2019 00:19:00 -0700 From: Lu Baolu To: David Woodhouse , Joerg Roedel , Bjorn Helgaas , Christoph Hellwig Cc: ashok.raj@intel.com, jacob.jun.pan@intel.com, alan.cox@intel.com, kevin.tian@intel.com, mika.westerberg@linux.intel.com, Ingo Molnar , Greg Kroah-Hartman , pengfei.xu@intel.com, Konrad Rzeszutek Wilk , Marek Szyprowski , Robin Murphy , Jonathan Corbet , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Steven Rostedt , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v7 2/7] PCI: Add dev_is_untrusted helper Date: Fri, 23 Aug 2019 15:17:30 +0800 Message-Id: <20190823071735.30264-3-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190823071735.30264-1-baolu.lu@linux.intel.com> References: <20190823071735.30264-1-baolu.lu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There are several places in the kernel where it is necessary to check whether a device is a pci untrusted device. Add a helper to simplify the callers. Signed-off-by: Lu Baolu Reviewed-by: Christoph Hellwig --- include/linux/pci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/pci.h b/include/linux/pci.h index 82e4cd1b7ac3..6c107eb381ac 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1029,6 +1029,7 @@ void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type); void pci_sort_breadthfirst(void); #define dev_is_pci(d) ((d)->bus == &pci_bus_type) #define dev_is_pf(d) ((dev_is_pci(d) ? to_pci_dev(d)->is_physfn : false)) +#define dev_is_untrusted(d) ((dev_is_pci(d) ? to_pci_dev(d)->untrusted : false)) /* Generic PCI functions exported to card drivers */ @@ -1768,6 +1769,7 @@ static inline struct pci_dev *pci_dev_get(struct pci_dev *dev) { return NULL; } #define dev_is_pci(d) (false) #define dev_is_pf(d) (false) +#define dev_is_untrusted(d) (false) static inline bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags) { return false; } static inline int pci_irqd_intx_xlate(struct irq_domain *d, -- 2.17.1