From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-97.freemail.mail.aliyun.com (out30-97.freemail.mail.aliyun.com [115.124.30.97]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A9643D6CC4; Wed, 3 Jun 2026 15:18:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.97 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780499932; cv=none; b=WFyUqs7aY9laAQhq6FuAGtVOET3r5IjRPtT1y+By7i33zos6iY4uL5QTaq7AtIDI8ijU83dhi0G1tnlmLDRbBTclcftvxB8nvAQiSNQ32jKq3QNm51RTS+zjs+22ARd8ATbPWs9EhBw8ikg3Yq7rkPPQW0+PVJx0icsuJAyBqLM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780499932; c=relaxed/simple; bh=shHL9CPpPX2D/2Lu8FFvPYquO9rLqVtRyr6w7ZIA+6E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nWmbcRcRvAvY61wGxXZQ1SNHMQwPQpyqUrobADf2dTlsFFXx6Q4hxvVIX6HX20Vo5QbU9KFs2G3CGRKx++TlrBGGFcczQueIoIvaxSnz252imB/iLbIzv2M/QypPm8LVZbyS52TuTOhqrHlX5YhLFx/FztrYPUS6VacxAWK80lY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=YvaDwZrb; arc=none smtp.client-ip=115.124.30.97 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="YvaDwZrb" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1780499926; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=F3eN6aAZAGCJthbocac3Ss/Txd8BjZoiukZVZ8bvt4k=; b=YvaDwZrbt2OLddwT5aLexmG60mYcgSh8AC5oMN/CaHjsScH+C0rf/In8S95pu12h9Fc+jkqDWPapL0kmQGY87Cvb6dEtdgF+ZOD5vgjUDZvHmmemQB1uQaBAStEYi66ocb5UpR/R7VeKBIe/dbwBoqZogf08QbZnr4igWrTPhho= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033045098064;MF=guanghuifeng@linux.alibaba.com;NM=1;PH=DS;RN=28;SR=0;TI=SMTPD_---0X47fR29_1780499924; Received: from VM20241011-104.tbsite.net(mailfrom:guanghuifeng@linux.alibaba.com fp:SMTPD_---0X47fR29_1780499924 cluster:ay36) by smtp.aliyun-inc.com; Wed, 03 Jun 2026 23:18:44 +0800 From: Guanghui Feng To: jgg@ziepe.ca Cc: adrian.larumbe@collabora.com, airlied@gmail.com, alex@shazbot.org, alikernel-developer@linux.alibaba.com, baolu.lu@linux.intel.com, boris.brezillon@collabora.com, dri-devel@lists.freedesktop.org, dwmw2@infradead.org, iommu@lists.linux.dev, joro@8bytes.org, kevin.tian@intel.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, liviu.dudau@arm.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, oliver.yang@linux.alibaba.com, robh@kernel.org, robin.murphy@arm.com, shiyu.zsq@linux.alibaba.com, steven.price@arm.com, suravee.suthikulpanit@amd.com, tzimmermann@suse.de, wei.guo.simon@linux.alibaba.com, will@kernel.org, xlpang@linux.alibaba.com Subject: [PATCH v3 06/32] iommu/arm-smmu-v3: implement iova_to_phys_length Date: Wed, 3 Jun 2026 23:17:38 +0800 Message-ID: <20260603151804.1963871-7-guanghuifeng@linux.alibaba.com> X-Mailer: git-send-email 2.43.7 In-Reply-To: <20260603151804.1963871-1-guanghuifeng@linux.alibaba.com> References: <20260602104637.1219810-1-guanghuifeng@linux.alibaba.com> <20260603151804.1963871-1-guanghuifeng@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Migrate ARM SMMUv3 to implement iova_to_phys_length, calling ops->iova_to_phys_length on the io-pgtable layer. Signed-off-by: Guanghui Feng --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index e8d7dbe495f0..616e7057ec7f 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -4069,14 +4069,16 @@ static void arm_smmu_iotlb_sync(struct iommu_domain *domain, } static phys_addr_t -arm_smmu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) +arm_smmu_iova_to_phys_length(struct iommu_domain *domain, dma_addr_t iova, + size_t *mapped_length) { struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops; + if (!ops) - return 0; + return PHYS_ADDR_MAX; - return ops->iova_to_phys(ops, iova); + return ops->iova_to_phys_length(ops, iova, mapped_length); } static struct platform_driver arm_smmu_driver; @@ -4396,7 +4398,7 @@ static const struct iommu_ops arm_smmu_ops = { .unmap_pages = arm_smmu_unmap_pages, .flush_iotlb_all = arm_smmu_flush_iotlb_all, .iotlb_sync = arm_smmu_iotlb_sync, - .iova_to_phys = arm_smmu_iova_to_phys, + .iova_to_phys_length = arm_smmu_iova_to_phys_length, .free = arm_smmu_domain_free_paging, } }; -- 2.43.7