From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A047ACD6E6C for ; Wed, 3 Jun 2026 15:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=M5zQjIPVfFmKstwwMGABYtO3/c5KzR7s9T/A9BdluRs=; b=u6Dgt2S/G7d2+Y7P8aRz8ysIhE 5qrqC4hnucSjcpL/4kZVf1y9v3WNfLHDAOrvxtuiB90N4uWTZtPQEsvz+X1LB5kVeDRkzBikABDiZ zXlNn5V1RHB0DCWagj94GimfwSIIIw+PYqA2Ol4meLxe3kOINBC2TU80lwEMsxU+E/nrHF4dff+Fi xDxo0wMhrzjx7qSbI/Pddfzyo/rGyLNTAdXPNDI6DM9O+0Y61+CyVv67Q8LYn56JlxwmgJZfVXw94 URYnm7EnnszlisX5EzUZA5y55b49TBiknd3P/3EnGg3LBibZ8vd/UopziRt1xeUokVJ6givfqKlMH MQL0qFig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUnNP-0000000FNHk-1rGR; Wed, 03 Jun 2026 15:19:27 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUnN9-0000000FMx8-34xB for linux-arm-kernel@bombadil.infradead.org; Wed, 03 Jun 2026 15:19:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=M5zQjIPVfFmKstwwMGABYtO3/c5KzR7s9T/A9BdluRs=; b=HPZ8Ln6nkrUgBBiu9R+9K8tql+ 2oeL5zjfPmhDAb2/lGM14te9xN4FstywPZFjCH88hYc0rFk0mytkygVl74Q57CpjfRyZyrENTkpf3 aAw17rlqGgs3VZBmGWnikrAw7oo122xCsLVydeqpJK2EKLnHpZvgcNidhJkE8cgNRJkKcPEm3qVQL wSXpJefJ9Cqg2m0H456sVeMvHT3gFtg5aoBD5+GsskmbBnbdnuF7A6ueUigZhs9/HKhBQBzuf7YbS jYNY9Z/Bl34EvZ/2vIJWj4CbE6993jPhB6+8xNfPefUbUhxqF3sxwEB90ETl3n36NaBq3f6x8UJgu HCJAImfQ==; Received: from out30-110.freemail.mail.aliyun.com ([115.124.30.110]) by casper.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUnN5-000000045di-2W0e for linux-arm-kernel@lists.infradead.org; Wed, 03 Jun 2026 15:19:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1780499930; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=M5zQjIPVfFmKstwwMGABYtO3/c5KzR7s9T/A9BdluRs=; b=yCqaIobteWxWpR5vVYWr78f/MFpxE4a7kmm8tIt7ZaQ2XAdg4xyDgMgppoLWtFDP18d2/xDwmdudzBil09hMRcUZs6BrE3iMVavuu6bV+TspBMt7AMqj3oHpxyo6/AcThEm40ugKTfMEkBZPGtJ91T414abeLPKvQZJQdxKzErc= 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260603_161908_424636_E57D52C9 X-CRM114-Status: UNSURE ( 8.37 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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