From patchwork Thu May 11 14:51:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 92682 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp4440463vqo; Thu, 11 May 2023 08:01:00 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ442+P0E12QND/r94UHEF2LUh2/9V9JkV91qDtPLLtvjMER5nOxg/gvEVPzFbV5kpwYMS4m X-Received: by 2002:a05:6a20:4296:b0:103:a9ee:d732 with SMTP id o22-20020a056a20429600b00103a9eed732mr5002304pzj.9.1683817259539; Thu, 11 May 2023 08:00:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1683817259; cv=none; d=google.com; s=arc-20160816; b=En14hYkbNnAL+q+cCOzYa8MPveUHcf4Q9YTtPKuU1CxHZJNJBGaiUuOaMl4ptJ8XMb p3amVy2G5IOc1Aqs5Gkn6wPpg/GkDrQyL6mJ72WUBfZEApBJc1Qx6V91WVoVEVsQamDH IPoqoDUA5iQovYUj0Uflq5tNsDOtx0MTs3DUXllWuAklDDJMKkwJmn0F3yWzK3SVS+L7 lwPrDKM3s0z6DGI645cZAjGBdmDnz5f8Ndk233X9Y5Ojz6a9nRYuK0v8HHW2TfS5zNwN rDdG4bcFM3kzlxmshnzGRHJcaJciFZv57tBJF7r32vLYznhZ7M2BgDqRfzy3mdzMojCQ Ig1g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=S3Jqyvt4Cm/MiEPDKJw/cn0pSUETyMLHr1qqPxoT4rQ=; b=pGYD2SgDUrTa+/yNQhDhFNthFHTJzFy2Le8DdmijCFatp68FoNSQtZb7axvp4UXQIF ZellIzys4w9B1Z4vk/uPxJ1Hg+Qma+d6xE9qbmOdytSo8Jh9oJgWrqNYkwZdr0hSOjKZ QHde/kGxyl+HYLypoe66cFMPyYG/F8e0PQoX1ovAGsUuZl5beF1kejqucOR+h6IA3tiV kWxiHrzb+FGKtDxMMAyxUsYQWV5K4dWO7LA+HMyrPfaA/saEOHi6JXG9RoZGmNCygFwJ +GXDC3AW8uA8P4OrWs2FQPtZoo9rfhHasVoeEqKm/IcDsGmkthvanFduP4be3wDfxP8j m8rg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=ZmxcEkAf; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id d1-20020a621d01000000b00645e8c9e27esi7649997pfd.386.2023.05.11.08.00.33; Thu, 11 May 2023 08:00:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=ZmxcEkAf; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238421AbjEKOwx (ORCPT + 99 others); Thu, 11 May 2023 10:52:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238594AbjEKOwZ (ORCPT ); Thu, 11 May 2023 10:52:25 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E612F106F4; Thu, 11 May 2023 07:51:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683816697; x=1715352697; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0f1JGfnc4TXl9XjUG23GlF5N7yyId/J6T8qWeC3+VfQ=; b=ZmxcEkAfR8cgE1TZGwx5tcSRiQhC+4WuXVjrAJT70rqewg95dN5hxQzg hFDSx0rlT78Yul+VV3R2uw8cTdLU5BwYR9aS1/IpcIYMTvxQU4BfmGxsv bPcwbbETjxIVYn6tnKLcew3xmVNmzNI6h7pyJ0fSAcZD5wYKNJruqy6h5 xG4IJR+MyCBrpnvGpo2y0pm8GRksByUUZWEz4qc6iUJ6ZYzFA95BHWZ6e UkC/bagjW8kQr2Vn0r+P+QhZuRXCd4QTevGs88vJWxks1PgFR0mj/KDIG n1Lp2Jl/+xhcvwh0SapuiJKTAJx4kyCFud/l/mZ1UiKBgNOukY7yJKY7h Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10707"; a="335025475" X-IronPort-AV: E=Sophos;i="5.99,266,1677571200"; d="scan'208";a="335025475" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2023 07:51:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10707"; a="769355176" X-IronPort-AV: E=Sophos;i="5.99,266,1677571200"; d="scan'208";a="769355176" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by fmsmga004.fm.intel.com with ESMTP; 11 May 2023 07:51:17 -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 Subject: [PATCH v3 05/10] iommu/vt-d: Make domain attach helpers to be extern Date: Thu, 11 May 2023 07:51:05 -0700 Message-Id: <20230511145110.27707-6-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230511145110.27707-1-yi.l.liu@intel.com> References: <20230511145110.27707-1-yi.l.liu@intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765610366353503603?= X-GMAIL-MSGID: =?utf-8?q?1765610366353503603?= hence can be used in the nested.c Suggested-by: Lu Baolu Signed-off-by: Yi Liu --- drivers/iommu/intel/iommu.c | 17 +++++++---------- drivers/iommu/intel/iommu.h | 8 ++++++++ 2 files changed, 15 insertions(+), 10 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index b871a6afd803..e6536a43dd82 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -277,7 +277,6 @@ static LIST_HEAD(dmar_satc_units); #define for_each_rmrr_units(rmrr) \ list_for_each_entry(rmrr, &dmar_rmrr_units, list) -static void device_block_translation(struct device *dev); static void intel_iommu_domain_free(struct iommu_domain *domain); int dmar_disabled = !IS_ENABLED(CONFIG_INTEL_IOMMU_DEFAULT_ON); @@ -555,7 +554,7 @@ static unsigned long domain_super_pgsize_bitmap(struct dmar_domain *domain) } /* Some capabilities may be different across iommus */ -static void domain_update_iommu_cap(struct dmar_domain *domain) +void domain_update_iommu_cap(struct dmar_domain *domain) { domain_update_iommu_coherency(domain); domain->iommu_superpage = domain_update_iommu_superpage(domain, NULL); @@ -1740,8 +1739,7 @@ static struct dmar_domain *alloc_domain(unsigned int type) return domain; } -static int domain_attach_iommu(struct dmar_domain *domain, - struct intel_iommu *iommu) +int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu) { struct iommu_domain_info *info, *curr; unsigned long ndomains; @@ -1790,8 +1788,7 @@ static int domain_attach_iommu(struct dmar_domain *domain, return ret; } -static void domain_detach_iommu(struct dmar_domain *domain, - struct intel_iommu *iommu) +void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu) { struct iommu_domain_info *info; @@ -3994,7 +3991,7 @@ static void dmar_remove_one_dev_info(struct device *dev) * all DMA requests without PASID from the device are blocked. If the page * table has been set, clean up the data structures. */ -static void device_block_translation(struct device *dev) +void device_block_translation(struct device *dev) { struct device_domain_info *info = dev_iommu_priv_get(dev); struct intel_iommu *iommu = info->iommu; @@ -4101,8 +4098,8 @@ static void intel_iommu_domain_free(struct iommu_domain *domain) domain_exit(to_dmar_domain(domain)); } -static int prepare_domain_attach_device(struct iommu_domain *domain, - struct device *dev) +int prepare_domain_attach_device(struct iommu_domain *domain, + struct device *dev) { struct dmar_domain *dmar_domain = to_dmar_domain(domain); struct intel_iommu *iommu; @@ -4342,7 +4339,7 @@ static void domain_set_force_snooping(struct dmar_domain *domain) PASID_RID2PASID); } -static bool intel_iommu_enforce_cache_coherency(struct iommu_domain *domain) +bool intel_iommu_enforce_cache_coherency(struct iommu_domain *domain) { struct dmar_domain *dmar_domain = to_dmar_domain(domain); unsigned long flags; diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 8d0c7970c1ad..ccb93aed6cf2 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -852,6 +852,14 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, */ #define QI_OPT_WAIT_DRAIN BIT(0) +int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu); +void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu); +void device_block_translation(struct device *dev); +int prepare_domain_attach_device(struct iommu_domain *domain, + struct device *dev); +bool intel_iommu_enforce_cache_coherency(struct iommu_domain *domain); +void domain_update_iommu_cap(struct dmar_domain *domain); + int dmar_ir_support(void); void *alloc_pgtable_page(int node, gfp_t gfp);