From patchwork Sat Jun 19 03:40:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claire Chang X-Patchwork-Id: 12332619 X-Patchwork-Delegate: bhelgaas@google.com 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=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 53FDFC2B9F4 for ; Sat, 19 Jun 2021 03:42:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C7FF61184 for ; Sat, 19 Jun 2021 03:42:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230413AbhFSDoa (ORCPT ); Fri, 18 Jun 2021 23:44:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235705AbhFSDoZ (ORCPT ); Fri, 18 Jun 2021 23:44:25 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9C76C061283 for ; Fri, 18 Jun 2021 20:41:30 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id g6-20020a17090adac6b029015d1a9a6f1aso8048686pjx.1 for ; Fri, 18 Jun 2021 20:41:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=n+WwDLLEZtw2fHfSMVUWtPxnVCk0hCuq73bmvGm/m1o=; b=j+Az6O+p1qb8cN2QvjJ451IxdXmi4TGSnNoj0Z/o3Pg4OcQKhDLRIVkSi5ieJF6wc1 lI2TJv8I+nFhwYgNx5VwL1681UNdqugIV6qNf0FCzDgIssWBMteXSxuh6wuhTB3oh1kB 3eZPlG1ArHGdgMdptxdQc5PcF4TEIk0cI4d4c= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=n+WwDLLEZtw2fHfSMVUWtPxnVCk0hCuq73bmvGm/m1o=; b=ON7wXHa3wv2X+y5cstHY2MusqiCO4nLajKlHPf5kybYA2nwAW52HdbtLNdRKRBsik4 q8wrxBHphOMg9e9gv2lOEkZRZOkgrv1yx2fPjQQ4REHUfH0QXcKmJvUsn3vdWmS4lkvd S/HJtN4L6HSbWCRRADZDKzoayKRAuEP7W031IOfiXndtKZoqfY+tp07Wu+aH2z4d9Fau bY7AWMgAV1Kdr16URMgXfIFQzTrqH8HBQoyC+nqecvPVTBnw5Wj5bmjmlMaJjzFUi6N4 cAXlM50DWSASOygN9J07CyNo7F91DXgdkjHEaJCTvk1kDEiPXVj02su3ZsnxxXcxoERn SiKg== X-Gm-Message-State: AOAM533LyPBXUNJ9GUTGNOHA6cDG/Bc9O7NmJvhYbypnY9DRxp0hyxgV 8jqQkE0hy6l+fUmPY0BPKrRFoA== X-Google-Smtp-Source: ABdhPJxY49uyton1y+WOtqleukQHJjbBRP+EMSmxnvCLQvywl2S5ZwrvLwUfWk18Z2FiiJodXh0QuQ== X-Received: by 2002:a17:902:d48b:b029:122:d1b9:7e5a with SMTP id c11-20020a170902d48bb0290122d1b97e5amr961916plg.47.1624074089382; Fri, 18 Jun 2021 20:41:29 -0700 (PDT) Received: from localhost ([2401:fa00:95:205:4a46:e208:29e8:e076]) by smtp.gmail.com with UTF8SMTPSA id t7sm8188546pgh.52.2021.06.18.20.41.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Jun 2021 20:41:28 -0700 (PDT) From: Claire Chang To: Rob Herring , mpe@ellerman.id.au, Joerg Roedel , Will Deacon , Frank Rowand , Konrad Rzeszutek Wilk , boris.ostrovsky@oracle.com, jgross@suse.com, Christoph Hellwig , Marek Szyprowski Cc: benh@kernel.crashing.org, paulus@samba.org, "list@263.net:IOMMU DRIVERS" , sstabellini@kernel.org, Robin Murphy , grant.likely@arm.com, xypron.glpk@gmx.de, Thierry Reding , mingo@kernel.org, bauerman@linux.ibm.com, peterz@infradead.org, Greg KH , Saravana Kannan , "Rafael J . Wysocki" , heikki.krogerus@linux.intel.com, Andy Shevchenko , Randy Dunlap , Dan Williams , Bartosz Golaszewski , linux-devicetree , lkml , linuxppc-dev@lists.ozlabs.org, xen-devel@lists.xenproject.org, Nicolas Boichat , Jim Quinlan , tfiga@chromium.org, bskeggs@redhat.com, bhelgaas@google.com, chris@chris-wilson.co.uk, tientzu@chromium.org, daniel@ffwll.ch, airlied@linux.ie, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com, jxgao@google.com, joonas.lahtinen@linux.intel.com, linux-pci@vger.kernel.org, maarten.lankhorst@linux.intel.com, matthew.auld@intel.com, rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com, thomas.lendacky@amd.com Subject: [PATCH v14 04/12] swiotlb: Update is_swiotlb_buffer to add a struct device argument Date: Sat, 19 Jun 2021 11:40:35 +0800 Message-Id: <20210619034043.199220-5-tientzu@chromium.org> X-Mailer: git-send-email 2.32.0.288.g62a8d224e6-goog In-Reply-To: <20210619034043.199220-1-tientzu@chromium.org> References: <20210619034043.199220-1-tientzu@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Update is_swiotlb_buffer to add a struct device argument. This will be useful later to allow for different pools. Signed-off-by: Claire Chang Reviewed-by: Christoph Hellwig Tested-by: Stefano Stabellini Tested-by: Will Deacon Acked-by: Stefano Stabellini --- drivers/iommu/dma-iommu.c | 12 ++++++------ drivers/xen/swiotlb-xen.c | 2 +- include/linux/swiotlb.h | 7 ++++--- kernel/dma/direct.c | 6 +++--- kernel/dma/direct.h | 6 +++--- 5 files changed, 17 insertions(+), 16 deletions(-) diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 3087d9fa6065..10997ef541f8 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -507,7 +507,7 @@ static void __iommu_dma_unmap_swiotlb(struct device *dev, dma_addr_t dma_addr, __iommu_dma_unmap(dev, dma_addr, size); - if (unlikely(is_swiotlb_buffer(phys))) + if (unlikely(is_swiotlb_buffer(dev, phys))) swiotlb_tbl_unmap_single(dev, phys, size, dir, attrs); } @@ -578,7 +578,7 @@ static dma_addr_t __iommu_dma_map_swiotlb(struct device *dev, phys_addr_t phys, } iova = __iommu_dma_map(dev, phys, aligned_size, prot, dma_mask); - if (iova == DMA_MAPPING_ERROR && is_swiotlb_buffer(phys)) + if (iova == DMA_MAPPING_ERROR && is_swiotlb_buffer(dev, phys)) swiotlb_tbl_unmap_single(dev, phys, org_size, dir, attrs); return iova; } @@ -749,7 +749,7 @@ static void iommu_dma_sync_single_for_cpu(struct device *dev, if (!dev_is_dma_coherent(dev)) arch_sync_dma_for_cpu(phys, size, dir); - if (is_swiotlb_buffer(phys)) + if (is_swiotlb_buffer(dev, phys)) swiotlb_sync_single_for_cpu(dev, phys, size, dir); } @@ -762,7 +762,7 @@ static void iommu_dma_sync_single_for_device(struct device *dev, return; phys = iommu_iova_to_phys(iommu_get_dma_domain(dev), dma_handle); - if (is_swiotlb_buffer(phys)) + if (is_swiotlb_buffer(dev, phys)) swiotlb_sync_single_for_device(dev, phys, size, dir); if (!dev_is_dma_coherent(dev)) @@ -783,7 +783,7 @@ static void iommu_dma_sync_sg_for_cpu(struct device *dev, if (!dev_is_dma_coherent(dev)) arch_sync_dma_for_cpu(sg_phys(sg), sg->length, dir); - if (is_swiotlb_buffer(sg_phys(sg))) + if (is_swiotlb_buffer(dev, sg_phys(sg))) swiotlb_sync_single_for_cpu(dev, sg_phys(sg), sg->length, dir); } @@ -800,7 +800,7 @@ static void iommu_dma_sync_sg_for_device(struct device *dev, return; for_each_sg(sgl, sg, nelems, i) { - if (is_swiotlb_buffer(sg_phys(sg))) + if (is_swiotlb_buffer(dev, sg_phys(sg))) swiotlb_sync_single_for_device(dev, sg_phys(sg), sg->length, dir); diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 4c89afc0df62..0c6ed09f8513 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -100,7 +100,7 @@ static int is_xen_swiotlb_buffer(struct device *dev, dma_addr_t dma_addr) * in our domain. Therefore _only_ check address within our domain. */ if (pfn_valid(PFN_DOWN(paddr))) - return is_swiotlb_buffer(paddr); + return is_swiotlb_buffer(dev, paddr); return 0; } diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 216854a5e513..d1f3d95881cd 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -2,6 +2,7 @@ #ifndef __LINUX_SWIOTLB_H #define __LINUX_SWIOTLB_H +#include #include #include #include @@ -101,9 +102,9 @@ struct io_tlb_mem { }; extern struct io_tlb_mem *io_tlb_default_mem; -static inline bool is_swiotlb_buffer(phys_addr_t paddr) +static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr) { - struct io_tlb_mem *mem = io_tlb_default_mem; + struct io_tlb_mem *mem = dev->dma_io_tlb_mem; return mem && paddr >= mem->start && paddr < mem->end; } @@ -115,7 +116,7 @@ bool is_swiotlb_active(void); void __init swiotlb_adjust_size(unsigned long size); #else #define swiotlb_force SWIOTLB_NO_FORCE -static inline bool is_swiotlb_buffer(phys_addr_t paddr) +static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr) { return false; } diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index f737e3347059..84c9feb5474a 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -343,7 +343,7 @@ void dma_direct_sync_sg_for_device(struct device *dev, for_each_sg(sgl, sg, nents, i) { phys_addr_t paddr = dma_to_phys(dev, sg_dma_address(sg)); - if (unlikely(is_swiotlb_buffer(paddr))) + if (unlikely(is_swiotlb_buffer(dev, paddr))) swiotlb_sync_single_for_device(dev, paddr, sg->length, dir); @@ -369,7 +369,7 @@ void dma_direct_sync_sg_for_cpu(struct device *dev, if (!dev_is_dma_coherent(dev)) arch_sync_dma_for_cpu(paddr, sg->length, dir); - if (unlikely(is_swiotlb_buffer(paddr))) + if (unlikely(is_swiotlb_buffer(dev, paddr))) swiotlb_sync_single_for_cpu(dev, paddr, sg->length, dir); @@ -504,7 +504,7 @@ size_t dma_direct_max_mapping_size(struct device *dev) bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr) { return !dev_is_dma_coherent(dev) || - is_swiotlb_buffer(dma_to_phys(dev, dma_addr)); + is_swiotlb_buffer(dev, dma_to_phys(dev, dma_addr)); } /** diff --git a/kernel/dma/direct.h b/kernel/dma/direct.h index 50afc05b6f1d..13e9e7158d94 100644 --- a/kernel/dma/direct.h +++ b/kernel/dma/direct.h @@ -56,7 +56,7 @@ static inline void dma_direct_sync_single_for_device(struct device *dev, { phys_addr_t paddr = dma_to_phys(dev, addr); - if (unlikely(is_swiotlb_buffer(paddr))) + if (unlikely(is_swiotlb_buffer(dev, paddr))) swiotlb_sync_single_for_device(dev, paddr, size, dir); if (!dev_is_dma_coherent(dev)) @@ -73,7 +73,7 @@ static inline void dma_direct_sync_single_for_cpu(struct device *dev, arch_sync_dma_for_cpu_all(); } - if (unlikely(is_swiotlb_buffer(paddr))) + if (unlikely(is_swiotlb_buffer(dev, paddr))) swiotlb_sync_single_for_cpu(dev, paddr, size, dir); if (dir == DMA_FROM_DEVICE) @@ -113,7 +113,7 @@ static inline void dma_direct_unmap_page(struct device *dev, dma_addr_t addr, if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) dma_direct_sync_single_for_cpu(dev, addr, size, dir); - if (unlikely(is_swiotlb_buffer(phys))) + if (unlikely(is_swiotlb_buffer(dev, phys))) swiotlb_tbl_unmap_single(dev, phys, size, dir, attrs); } #endif /* _KERNEL_DMA_DIRECT_H */