From patchwork Fri Oct 20 09:37:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13430421 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 880D0C19F5C for ; Fri, 20 Oct 2023 09:37:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376724AbjJTJhZ (ORCPT ); Fri, 20 Oct 2023 05:37:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376686AbjJTJhX (ORCPT ); Fri, 20 Oct 2023 05:37:23 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B6EBD5B; Fri, 20 Oct 2023 02:37:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697794642; x=1729330642; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=riP8bhy/mUKUAyTqB9Y6vwqhoUTajagOMubWqL1P/vI=; b=kcsyj3Ir8wvAWmSvO2Um7JD6G5OVPkGx+0MGSje8dBEFd1JLaiJFm0gy ybHmMseDIPwXD0P+LIVe4Bn5fc6zA0MirmoCCh/LzmxJQTjnT9a9AxAp0 7GOtrMsTcoBML+M6V0iW5OiMtcL+Dtm3E4D049gNEb61b5CPnjE7u4NQZ Hsa9nFQ0yDw72PmVwUSgSiHkzNiekTivnbknKmMZz9kliFoj2rYE53O1Y nZxWSXSS9MhhTNqk7jor28kf6GWrCr0M+7t+a+i0HFOP4q3zuIwIEo3wQ zNHvTY011ILZWWzCTu+LFofubt7W9CSkB8WKkY46NlzE3XYRv6i8ptdpw A==; X-IronPort-AV: E=McAfee;i="6600,9927,10868"; a="385341727" X-IronPort-AV: E=Sophos;i="6.03,238,1694761200"; d="scan'208";a="385341727" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2023 02:37:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10868"; a="707181307" X-IronPort-AV: E=Sophos;i="6.03,238,1694761200"; d="scan'208";a="707181307" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by orsmga003.jf.intel.com with ESMTP; 20 Oct 2023 02:37:21 -0700 From: Yi Liu To: joro@8bytes.org, alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com, robin.murphy@arm.com, baolu.lu@linux.intel.com Cc: cohuck@redhat.com, eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org, mjrosato@linux.ibm.com, chao.p.peng@linux.intel.com, yi.l.liu@intel.com, yi.y.sun@linux.intel.com, peterx@redhat.com, jasowang@redhat.com, shameerali.kolothum.thodi@huawei.com, lulu@redhat.com, suravee.suthikulpanit@amd.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, zhenzhong.duan@intel.com, joao.m.martins@oracle.com, xin.zeng@intel.com Subject: [PATCH v6 2/3] iommu/vt-d: Make iotlb flush helpers to be extern Date: Fri, 20 Oct 2023 02:37:17 -0700 Message-Id: <20231020093719.18725-3-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231020093719.18725-1-yi.l.liu@intel.com> References: <20231020093719.18725-1-yi.l.liu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org This makes the helpers visible to nested.c. Reviewed-by: Kevin Tian Signed-off-by: Yi Liu Reviewed-by: Lu Baolu --- drivers/iommu/intel/iommu.c | 10 +++++----- drivers/iommu/intel/iommu.h | 6 ++++++ 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index a0341a069fbf..8f81a5c9fcc0 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1511,10 +1511,10 @@ static void domain_flush_pasid_iotlb(struct intel_iommu *iommu, spin_unlock_irqrestore(&domain->lock, flags); } -static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, - struct dmar_domain *domain, - unsigned long pfn, unsigned int pages, - int ih, int map) +void iommu_flush_iotlb_psi(struct intel_iommu *iommu, + struct dmar_domain *domain, + unsigned long pfn, unsigned int pages, + int ih, int map) { unsigned int aligned_pages = __roundup_pow_of_two(pages); unsigned int mask = ilog2(aligned_pages); @@ -1587,7 +1587,7 @@ static inline void __mapping_notify_one(struct intel_iommu *iommu, iommu_flush_write_buffer(iommu); } -static void intel_flush_iotlb_all(struct iommu_domain *domain) +void intel_flush_iotlb_all(struct iommu_domain *domain) { struct dmar_domain *dmar_domain = to_dmar_domain(domain); struct iommu_domain_info *info; diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 0539a0f47557..b5f33a7c1973 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -867,6 +867,12 @@ void device_block_translation(struct device *dev); int prepare_domain_attach_device(struct iommu_domain *domain, struct device *dev); void domain_update_iommu_cap(struct dmar_domain *domain); +void iommu_flush_iotlb_psi(struct intel_iommu *iommu, + struct dmar_domain *domain, + unsigned long pfn, unsigned int pages, + int ih, int map); +void intel_flush_iotlb_all(struct iommu_domain *domain); + int dmar_ir_support(void);