From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) (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 D949F481659; Wed, 3 Jun 2026 15:19:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.118 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780499945; cv=none; b=Up9LtkBncbIKIovEHSNowTlV106EpmmtG3X9b70HgIVHgcclAqDS2+JjVWp/yDmgbcAX3OJfDsHRqpgPQqzUXQhipRb+iFrV3jnHGXtlcVEDBDSTDmet6QbCruFAOsr/oHwFS4rn1TuBB2lMzpUqX8J5Eu5NdNQjuZW6rqAsCms= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780499945; c=relaxed/simple; bh=ax8fDe/mdOayxrn8NCM5Uh70m+R/5ZZEaIDoJvQSYZA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cNlcNMQNcGmls20KDjHmjSx835ZMK+WO0JxB3E/CI8MAcT3QxLv8UaFwDDCE6R8or1QqeRdhwzWFm+z9D4qRddO0MUdMnIS03QYJiO0u2nLEwWqN9oPlTGSeovFB92hUC3bUIXhAuJ18MdxUHjWr6yZ7hGfxvqZxbSp981tTD0A= 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=fQ9txuXN; arc=none smtp.client-ip=115.124.30.118 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="fQ9txuXN" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1780499931; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=M5zQjIPVfFmKstwwMGABYtO3/c5KzR7s9T/A9BdluRs=; b=fQ9txuXNKHL+hmHX8mrvPef/19iGfV7v1OchJ0p5XloWQxSrRsZSgAdF/lQNsuXH8ZMk0seNJR9n/oCFqc0v7UgZOEI42RquPDEsfjavtXiIWdZPqMcYFHRH0FmoRl/mLZBGuEt+zXuInDzk8bZGJkjowl/We6TWkAmnIFC35hc= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033045133197;MF=guanghuifeng@linux.alibaba.com;NM=1;PH=DS;RN=28;SR=0;TI=SMTPD_---0X47fR30_1780499928; Received: from VM20241011-104.tbsite.net(mailfrom:guanghuifeng@linux.alibaba.com fp:SMTPD_---0X47fR30_1780499928 cluster:ay36) by smtp.aliyun-inc.com; Wed, 03 Jun 2026 23:18:48 +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 10/32] iommu/ipmmu-vmsa: implement iova_to_phys_length Date: Wed, 3 Jun 2026 23:17:42 +0800 Message-ID: <20260603151804.1963871-11-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 IPMMU-VMSA to implement iova_to_phys_length, passing through mapped_length from io-pgtable. Signed-off-by: Guanghui Feng --- drivers/iommu/ipmmu-vmsa.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 9386b752dea2..6e2e5922ab1b 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -699,14 +699,16 @@ static void ipmmu_iotlb_sync(struct iommu_domain *io_domain, ipmmu_flush_iotlb_all(io_domain); } -static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, - dma_addr_t iova) +static phys_addr_t ipmmu_iova_to_phys_length(struct iommu_domain *io_domain, + dma_addr_t iova, size_t *mapped_length) { struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain); + /* TODO: Is locking needed ? */ - return domain->iop->iova_to_phys(domain->iop, iova); + return domain->iop->iova_to_phys_length(domain->iop, iova, + mapped_length); } static int ipmmu_init_platform_device(struct device *dev, @@ -892,7 +894,7 @@ static const struct iommu_ops ipmmu_ops = { .unmap_pages = ipmmu_unmap, .flush_iotlb_all = ipmmu_flush_iotlb_all, .iotlb_sync = ipmmu_iotlb_sync, - .iova_to_phys = ipmmu_iova_to_phys, + .iova_to_phys_length = ipmmu_iova_to_phys_length, .free = ipmmu_domain_free, } }; -- 2.43.7