From patchwork Tue May 16 00:00:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Gunthorpe X-Patchwork-Id: 13242402 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 A2EBDC77B7D for ; Tue, 16 May 2023 00:02:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4XY+98nq36qeZpvukbbPRu18gqLQ/KvQSzyFY8HorIc=; b=mU2cs3DeMdmQRU GlcNMMZuNLUwwWMxLj1qcbCnsa/FBE253j0HZ7NrgWXi4lu0aZFWXtaIEknxlRM/0gtEyOydzt4Rj ii8atN42ujZ6VCeWpNboqQUCRIRq3WB5mlGb2sl6aF1ZJG4EN5DSkTFTWMR8KlFFQRBwX8cCe6iTI 78rVV5WWTEsGxzNmakiubOZe5tKKbWrODUy7AtnU5+9bj1rdO36cif8nBQhq+l+uADPn66AKawdNU jkSqlC5fQIP2Ff1NhRIv5g02i1ubHtBUXQpDiXQnzsNebfgQ0CVvOOah4yfFnhvpXtZGWO5YbA+Fp eTfe2esNWU7d7etGVTTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pyi84-003qGK-1u; Tue, 16 May 2023 00:01:24 +0000 Received: from mail-bn8nam11on20601.outbound.protection.outlook.com ([2a01:111:f400:7eae::601] helo=NAM11-BN8-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pyi7u-003q5N-0t; Tue, 16 May 2023 00:01:16 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=jm7DhGy7DlbDw5BLHsFdfghGLxg+t46mWUt//3b8m+vfnkQeR3+jhA0cSgBnJaYEMrj3UYrCSIpFZ0qJ5ZERnIqhdAEISp4X6fwmx9USVitH1cJ85WWmx2I+MqLGH0Jz7cyvSuPhytaih41IK7BFcgBQr/yunEyJehgriE6jYsvGu+98fB4/uO9BBy+iw+X8DbZuine0qNuwJ5kZgX2lU5IdMsAU788y787adloBMFic2Av+JGI8ZtTfeurWLLltSjlMnslVPGyXNbMSyeAf/qi5aDNmF7O6M9moZCkoQF/bgASN0s8uVBvnw/HWgEotXUPp4M9wkZbvc2qU4Sr5+Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=fn9RdtF11GtVVUfX3J8+C9XoRO3TIaPi/P4Q+aVJtbs=; b=GHEn09cJ45ZzbFLAyrDWpyPkV+hSbpY27Ym6ZWwd5T9a4UsF+p7WYFIfCBzUajrB4CCJdewzY5oOloZ1zWkapLcgdPE9NiVo+MAMvx7MbpjrOMiH+m7hsim14mLaIkAX2OFuAC+5wBshFQ1vXpH6aiIgZzP5/Fo5+MDt3hpwe9MGzUYKnnsCbOocLy6MtaPIdYQQozZYUVoS6PSvEk+MPR6J1tVt65JsAQdFpvsx9165tYaLOUwpI73aQbfXGzOJVvyQ0yqh3H3YwsSYdt2zjjVcJEf3Y3dfTSRnsMt0N3mZcWjLKifw+bUBTaVA0zsRZ2df1GSXaj1JqQHro/x90A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=fn9RdtF11GtVVUfX3J8+C9XoRO3TIaPi/P4Q+aVJtbs=; b=ln0Q1S+bDlO6lF4hAMGhpxasMzxVLap7/M8MWUPn7kEB3CVoAnnCKLoywk1TwmJALrY5eGJz2AIQmThfTesu9QitRlstdTvFPlymk5mv1qZOIHu4IhH4NSwj+zus9ebuvdib59FURJgj4jjIbN8tSNp0mY7zrZgQYWoub1IN8FCjpB30UMiKrpo08e6CDwK+hJkMXsvK6FsqVdm5dFxy/bwF7F5zsYVr8Ng+Yb499YO0k50zDaRtFGii7TOGkBWTNVpCZvwmndkFCcj2vMBglKnD9+xcdqd2HNCEGrfUJwn01Nu+qL7Su9we1nByuOivMv4bVTL0vUL0lJ8PMtE9aQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) by PH7PR12MB6786.namprd12.prod.outlook.com (2603:10b6:510:1ac::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6387.30; Tue, 16 May 2023 00:01:02 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::f7a7:a561:87e9:5fab]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::f7a7:a561:87e9:5fab%6]) with mapi id 15.20.6387.030; Tue, 16 May 2023 00:01:02 +0000 From: Jason Gunthorpe To: Andy Gross , Alim Akhtar , Bjorn Andersson , AngeloGioacchino Del Regno , Baolin Wang , Christophe Leroy , Gerald Schaefer , Heiko Stuebner , iommu@lists.linux.dev, Jernej Skrabec , Jonathan Hunter , Joerg Roedel , Kevin Tian , Konrad Dybcio , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, Russell King , linuxppc-dev@lists.ozlabs.org, Marek Szyprowski , Matthias Brugger , Matthew Rosato , Michael Ellerman , Nicholas Piggin , Orson Zhai , Rob Clark , Robin Murphy , Samuel Holland , Thierry Reding , Krishna Reddy , Chen-Yu Tsai , Will Deacon , Yong Wu , Chunyan Zhang Cc: Lu Baolu , Dmitry Osipenko , Nicolin Chen , Niklas Schnelle , Steven Price , Thierry Reding Subject: [PATCH v2 24/25] iommu: Convert simple drivers with DOMAIN_DMA to domain_alloc_paging() Date: Mon, 15 May 2023 21:00:57 -0300 Message-Id: <24-v2-8d1dc464eac9+10f-iommu_all_defdom_jgg@nvidia.com> In-Reply-To: <0-v2-8d1dc464eac9+10f-iommu_all_defdom_jgg@nvidia.com> References: X-ClientProxiedBy: MN2PR17CA0013.namprd17.prod.outlook.com (2603:10b6:208:15e::26) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|PH7PR12MB6786:EE_ X-MS-Office365-Filtering-Correlation-Id: 3b428af0-b133-4db2-732b-08db55a0a1f6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(346002)(39860400002)(136003)(396003)(376002)(366004)(451199021)(83380400001)(4326008)(41300700001)(316002)(2906002)(921005)(36756003)(38100700002)(6512007)(6506007)(26005)(6486002)(478600001)(107886003)(66556008)(66946007)(66476007)(2616005)(86362001)(5660300002)(8936002)(8676002)(110136005)(54906003)(7416002)(7406005)(186003)(6666004);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3b428af0-b133-4db2-732b-08db55a0a1f6 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 May 2023 00:01:00.6838 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4NCOLcBYcWTe9oVHAhs4A+HuS/j+cLocTc9WD8YMHczb26GGg2ApPANtn8vUA/j5 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6786 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230515_170114_387168_5C60452C X-CRM114-Status: GOOD ( 13.64 ) 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 These drivers are all trivially converted since the function is only called if the domain type is going to be IOMMU_DOMAIN_UNMANAGED/DMA. Tested-by: Heiko Stuebner Signed-off-by: Jason Gunthorpe --- drivers/iommu/arm/arm-smmu/qcom_iommu.c | 6 ++---- drivers/iommu/exynos-iommu.c | 7 ++----- drivers/iommu/ipmmu-vmsa.c | 7 ++----- drivers/iommu/mtk_iommu.c | 7 ++----- drivers/iommu/rockchip-iommu.c | 7 ++----- drivers/iommu/sprd-iommu.c | 7 ++----- drivers/iommu/sun50i-iommu.c | 9 +++------ drivers/iommu/tegra-smmu.c | 7 ++----- 8 files changed, 17 insertions(+), 40 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c index 9d7b9d8b4386d4..a2140fdc65ed58 100644 --- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c +++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c @@ -319,12 +319,10 @@ static int qcom_iommu_init_domain(struct iommu_domain *domain, return ret; } -static struct iommu_domain *qcom_iommu_domain_alloc(unsigned type) +static struct iommu_domain *qcom_iommu_domain_alloc_paging(struct device *dev) { struct qcom_iommu_domain *qcom_domain; - if (type != IOMMU_DOMAIN_UNMANAGED && type != IOMMU_DOMAIN_DMA) - return NULL; /* * Allocate the domain and initialise some of its data structures. * We can't really do anything meaningful until we've added a @@ -593,7 +591,7 @@ static int qcom_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) static const struct iommu_ops qcom_iommu_ops = { .identity_domain = &qcom_iommu_identity_domain, .capable = qcom_iommu_capable, - .domain_alloc = qcom_iommu_domain_alloc, + .domain_alloc_paging = qcom_iommu_domain_alloc_paging, .probe_device = qcom_iommu_probe_device, .device_group = generic_device_group, .of_xlate = qcom_iommu_of_xlate, diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 5e12b85dfe8705..d6dead2ed10c11 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -887,7 +887,7 @@ static inline void exynos_iommu_set_pte(sysmmu_pte_t *ent, sysmmu_pte_t val) DMA_TO_DEVICE); } -static struct iommu_domain *exynos_iommu_domain_alloc(unsigned type) +static struct iommu_domain *exynos_iommu_domain_alloc_paging(struct device *dev) { struct exynos_iommu_domain *domain; dma_addr_t handle; @@ -896,9 +896,6 @@ static struct iommu_domain *exynos_iommu_domain_alloc(unsigned type) /* Check if correct PTE offsets are initialized */ BUG_ON(PG_ENT_SHIFT < 0 || !dma_dev); - if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - domain = kzalloc(sizeof(*domain), GFP_KERNEL); if (!domain) return NULL; @@ -1472,7 +1469,7 @@ static int exynos_iommu_of_xlate(struct device *dev, static const struct iommu_ops exynos_iommu_ops = { .identity_domain = &exynos_identity_domain, - .domain_alloc = exynos_iommu_domain_alloc, + .domain_alloc_paging = exynos_iommu_domain_alloc_paging, .device_group = generic_device_group, .probe_device = exynos_iommu_probe_device, .release_device = exynos_iommu_release_device, diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index de958e411a92e0..27d36347e0fced 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -566,13 +566,10 @@ static irqreturn_t ipmmu_irq(int irq, void *dev) * IOMMU Operations */ -static struct iommu_domain *ipmmu_domain_alloc(unsigned type) +static struct iommu_domain *ipmmu_domain_alloc_paging(struct device *dev) { struct ipmmu_vmsa_domain *domain; - if (type != IOMMU_DOMAIN_UNMANAGED && type != IOMMU_DOMAIN_DMA) - return NULL; - domain = kzalloc(sizeof(*domain), GFP_KERNEL); if (!domain) return NULL; @@ -891,7 +888,7 @@ static struct iommu_group *ipmmu_find_group(struct device *dev) static const struct iommu_ops ipmmu_ops = { .identity_domain = &ipmmu_iommu_identity_domain, - .domain_alloc = ipmmu_domain_alloc, + .domain_alloc_paging = ipmmu_domain_alloc_paging, .probe_device = ipmmu_probe_device, .release_device = ipmmu_release_device, .probe_finalize = ipmmu_probe_finalize, diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index e4b9f728002403..e0bb10adc62967 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -667,13 +667,10 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, return 0; } -static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type) +static struct iommu_domain *mtk_iommu_domain_alloc_paging(struct device *dev) { struct mtk_iommu_domain *dom; - if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - dom = kzalloc(sizeof(*dom), GFP_KERNEL); if (!dom) return NULL; @@ -994,7 +991,7 @@ static void mtk_iommu_get_resv_regions(struct device *dev, static const struct iommu_ops mtk_iommu_ops = { .identity_domain = &mtk_iommu_identity_domain, - .domain_alloc = mtk_iommu_domain_alloc, + .domain_alloc_paging = mtk_iommu_domain_alloc_paging, .probe_device = mtk_iommu_probe_device, .release_device = mtk_iommu_release_device, .device_group = mtk_iommu_device_group, diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 9e1296a856ac4c..24a2a09fea5503 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1071,13 +1071,10 @@ static int rk_iommu_attach_device(struct iommu_domain *domain, return ret; } -static struct iommu_domain *rk_iommu_domain_alloc(unsigned type) +static struct iommu_domain *rk_iommu_domain_alloc_paging(struct device *dev) { struct rk_iommu_domain *rk_domain; - if (type != IOMMU_DOMAIN_UNMANAGED && type != IOMMU_DOMAIN_DMA) - return NULL; - if (!dma_dev) return NULL; @@ -1200,7 +1197,7 @@ static int rk_iommu_of_xlate(struct device *dev, static const struct iommu_ops rk_iommu_ops = { .identity_domain = &rk_identity_domain, - .domain_alloc = rk_iommu_domain_alloc, + .domain_alloc_paging = rk_iommu_domain_alloc_paging, .probe_device = rk_iommu_probe_device, .release_device = rk_iommu_release_device, .device_group = rk_iommu_device_group, diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 39e34fdeccda78..af68b3a2c123ab 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -133,13 +133,10 @@ sprd_iommu_pgt_size(struct iommu_domain *domain) SPRD_IOMMU_PAGE_SHIFT) * sizeof(u32); } -static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type) +static struct iommu_domain *sprd_iommu_domain_alloc_paging(struct device *dev) { struct sprd_iommu_domain *dom; - if (domain_type != IOMMU_DOMAIN_DMA && domain_type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - dom = kzalloc(sizeof(*dom), GFP_KERNEL); if (!dom) return NULL; @@ -419,7 +416,7 @@ static int sprd_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) static const struct iommu_ops sprd_iommu_ops = { - .domain_alloc = sprd_iommu_domain_alloc, + .domain_alloc_paging = sprd_iommu_domain_alloc_paging, .probe_device = sprd_iommu_probe_device, .device_group = sprd_iommu_device_group, .of_xlate = sprd_iommu_of_xlate, diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 0bf08b120cf105..056832a367c2af 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -667,14 +667,11 @@ static phys_addr_t sun50i_iommu_iova_to_phys(struct iommu_domain *domain, sun50i_iova_get_page_offset(iova); } -static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type) +static struct iommu_domain * +sun50i_iommu_domain_alloc_paging(struct device *paging) { struct sun50i_iommu_domain *sun50i_domain; - if (type != IOMMU_DOMAIN_DMA && - type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - sun50i_domain = kzalloc(sizeof(*sun50i_domain), GFP_KERNEL); if (!sun50i_domain) return NULL; @@ -840,7 +837,7 @@ static const struct iommu_ops sun50i_iommu_ops = { .identity_domain = &sun50i_iommu_identity_domain, .pgsize_bitmap = SZ_4K, .device_group = sun50i_iommu_device_group, - .domain_alloc = sun50i_iommu_domain_alloc, + .domain_alloc_paging = sun50i_iommu_domain_alloc_paging, .of_xlate = sun50i_iommu_of_xlate, .probe_device = sun50i_iommu_probe_device, .default_domain_ops = &(const struct iommu_domain_ops) { diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 6cba034905edbf..69c40c191ce4f0 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -272,13 +272,10 @@ static void tegra_smmu_free_asid(struct tegra_smmu *smmu, unsigned int id) clear_bit(id, smmu->asids); } -static struct iommu_domain *tegra_smmu_domain_alloc(unsigned type) +static struct iommu_domain *tegra_smmu_domain_alloc_paging(struct device *dev) { struct tegra_smmu_as *as; - if (type != IOMMU_DOMAIN_UNMANAGED && type != IOMMU_DOMAIN_DMA) - return NULL; - as = kzalloc(sizeof(*as), GFP_KERNEL); if (!as) return NULL; @@ -997,7 +994,7 @@ static const struct iommu_ops tegra_smmu_ops = { .default_domain = &tegra_smmu_identity_domain, .identity_domain = &tegra_smmu_identity_domain, .def_domain_type = &tegra_smmu_def_domain_type, - .domain_alloc = tegra_smmu_domain_alloc, + .domain_alloc_paging = tegra_smmu_domain_alloc_paging, .probe_device = tegra_smmu_probe_device, .device_group = tegra_smmu_device_group, .of_xlate = tegra_smmu_of_xlate,