From patchwork Mon Jul 24 11:13:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13324472 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 03D98C001B0 for ; Mon, 24 Jul 2023 11:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231516AbjGXLOC (ORCPT ); Mon, 24 Jul 2023 07:14:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231334AbjGXLNs (ORCPT ); Mon, 24 Jul 2023 07:13:48 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4766CE5A; Mon, 24 Jul 2023 04:13:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690197227; x=1721733227; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Evb/uH75XnFTXbrCht5Yjl6IDfDcpiTHryTOzFFcMAQ=; b=h3o5pnDT5/KWnZtKO87Ady4zUBbTYiVUFdFY0RiDAEAu7UCp+VDIOqBA GakAV+T5waYMkOMsacNhZrgL2CzFSeaWzsp2bpDuK/Fyg7KfW59na9gXU DRfAY/INok270TtAqNdf0iLKlxEC1p8CWpSu6NM1pzDnkYuWKb9sndrfo yBX/UJVOyU4wgMzWtdZ6snw/XOe1jpPxQ937XabDNWB0dUCs7qCiWunzL VQn/e98ncMLZ5+lHHJasyfn80QiNwXQQG8w9doOOz7ZN1zDZYdQslLi6c g5xD392inpg4qXToFD+rVGwRyFD742O1Vt3aVzf/rhT5uv/NHC8nq32+e A==; X-IronPort-AV: E=McAfee;i="6600,9927,10780"; a="347015022" X-IronPort-AV: E=Sophos;i="6.01,228,1684825200"; d="scan'208";a="347015022" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2023 04:13:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10780"; a="839415556" X-IronPort-AV: E=Sophos;i="6.01,228,1684825200"; d="scan'208";a="839415556" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by fmsmga002.fm.intel.com with ESMTP; 24 Jul 2023 04:13:46 -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 v4 08/12] iommu/vt-d: Make iotlb flush helpers to be extern Date: Mon, 24 Jul 2023 04:13:30 -0700 Message-Id: <20230724111335.107427-9-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230724111335.107427-1-yi.l.liu@intel.com> References: <20230724111335.107427-1-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. Signed-off-by: Yi Liu Reviewed-by: Kevin Tian --- 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 289e8c2417ad..3119a79ebc83 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1466,10 +1466,10 @@ static void iommu_flush_dev_iotlb(struct dmar_domain *domain, 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); @@ -1542,7 +1542,7 @@ 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 4b12166a9c3f..5b292213bcb8 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -859,6 +859,12 @@ 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); +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);