From patchwork Tue Aug 27 17:02:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 13779894 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 8C6B4C5472F for ; Tue, 27 Aug 2024 17:28:05 +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-Type: Content-Transfer-Encoding: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=ss4/aUGPOPzQOkDGeHhXTGW2kLfTHKop8PrV2z2scPg=; b=a0biO8hVpszuEdeh+b0Q/woa7g /T1iJXqAf6B+T7pImD25JWhsIdQyXwsT37RfW3u/QKB4I/M21yRYgX67VSYxdmZNA2OQH8rgBk//D k/E1geAZrnh/QlYi/2z8EdWf2d5NH6A8kyf2+tIUzictoy8D+JNuJEHkzWlvc+F9WfDzcCgTmelI/ BTmflfnpeQBljjQBcfFVmBgqU40BmGxsMTKusRfapq3Jig0ZxixGVD4xG4s0RywI1ReBRLFNGFjJA 8Ostp16pUBw5k+n5p+km6Pjh3TPE9eCFw6UGg/+6zlI8wDQ+9eoAJ9+2i15BP7jxl1Mi+QnnSWXcI WLmidKEg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sizz0-0000000CHqD-1N6s; Tue, 27 Aug 2024 17:27:54 +0000 Received: from mail-dm6nam11on20630.outbound.protection.outlook.com ([2a01:111:f403:2415::630] helo=NAM11-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sizau-0000000CCLt-4APf for linux-arm-kernel@lists.infradead.org; Tue, 27 Aug 2024 17:03:02 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=CR3MNT27+VOUwI2VdFBWqWGVCOEBxp9i/G4zjtizaLMXaO696Xzg1D3lVtFWBBCN9mgqiDZMt1xkzExpdKYWKdc5ScbQKGo91xPTYwPbwgZu7QJaj+xUozLDQzCrwYfNCAsH4XxpKAf99qecBGrjVWqRb4GiQO7zB5H+tfSUNx27ncxF8EtxBkzvfVgHDaJxHbFaBMjug2RJwRsgsiBFMIvFK7m6+28vBa8S59qkiIEsRA7iP4X73lgaARje+CBi/BTk/xiVqxawIR4bHG4kUFA3OZv46AXnZedWpr36HSv++Aa4pzZHxvmJHDRJNBcZnVGVdO+g5roMlk/Xooxi+A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=ss4/aUGPOPzQOkDGeHhXTGW2kLfTHKop8PrV2z2scPg=; b=ehzrLTktvl+ByLtSavg0vmLD9ZgR1B9vl5dYeGGx0aX+PNy97zocpbqqmTFl5XptNcLi0deAJs/Ap7/uXErEdsxifuoJB3eevdzrnogcSK3xGRQtpxD8+Aakmf2Zkw2ybrvCjYsMc/CRPc4DcFuseN5yk4tSXiTAwcqhL87v1yUTf9bnxxQeY6JeZvoMwURHz/R0hjGk23cciKnPLCJJX9rPxkt2oh6j6gHatsqVDeeYvjf6Ck8xzNVywkoIu/4sJUBihUf/JxTebztVDoqu5a+yiuz0BwvJJHsJ7tUY7nMPURSnqntsqHWL2DouwmS1t9/SFefgVXLp1FIFLWggBw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=huawei.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) 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=ss4/aUGPOPzQOkDGeHhXTGW2kLfTHKop8PrV2z2scPg=; b=evfuLyW747HKBK/tZcGSNT2P+qQVl8Rp4gkJE/zi1NTdXCz7KfrXMUm0xHf7Kc85i8JngZM2KhyFUx5eHGcbXJwXB8UmUWMNsVpw9IvWul6t0GRcAqMEI78plv6v/XU9KdNYa2SJYKjEEWr0q10/i1oyCb8D7UDT/F4xf47JQ3ryBPVWSy/ZN2qHs5DIybOXPftv66611dLYownt84PXa1d6b9Zboo8geBEnvMM3tlAJ8wTFJ5doZPJA9TRqJTXP3ODzT8UCKNCUxKLp5IomkJdBa7throIzPLUB7H/qfQSWxpP/4Q1DIAJrm4xBPL0EL3fSnkqLkzrq0b/XFBEPFg== Received: from CH2PR14CA0022.namprd14.prod.outlook.com (2603:10b6:610:60::32) by PH7PR12MB9075.namprd12.prod.outlook.com (2603:10b6:510:2f0::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7897.25; Tue, 27 Aug 2024 17:02:54 +0000 Received: from DS3PEPF000099D4.namprd04.prod.outlook.com (2603:10b6:610:60:cafe::30) by CH2PR14CA0022.outlook.office365.com (2603:10b6:610:60::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7897.26 via Frontend Transport; Tue, 27 Aug 2024 17:02:53 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by DS3PEPF000099D4.mail.protection.outlook.com (10.167.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7918.13 via Frontend Transport; Tue, 27 Aug 2024 17:02:52 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 27 Aug 2024 10:02:35 -0700 Received: from rnnvmail201.nvidia.com (10.129.68.8) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 27 Aug 2024 10:02:34 -0700 Received: from Asurada-Nvidia.nvidia.com (10.127.8.13) by mail.nvidia.com (10.129.68.8) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Tue, 27 Aug 2024 10:02:33 -0700 From: Nicolin Chen To: , , CC: , , , , , , , , , , , , , , , , Subject: [PATCH v1 08/10] iommufd/selftest: Add IOMMU_TEST_OP_TRIGGER_VIRQ for VIRQ coverage Date: Tue, 27 Aug 2024 10:02:10 -0700 Message-ID: <6fd58376ee0b04d42cc62e233a65d26127f8f921.1724777091.git.nicolinc@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D4:EE_|PH7PR12MB9075:EE_ X-MS-Office365-Filtering-Correlation-Id: ed12725b-0cd5-40c1-aaa8-08dcc6ba16b3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|7416014|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(376014)(7416014)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Aug 2024 17:02:52.5451 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ed12725b-0cd5-40c1-aaa8-08dcc6ba16b3 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D4.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB9075 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240827_100301_058982_963E6914 X-CRM114-Status: GOOD ( 12.33 ) 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 The handler will get vdev_id structure from the given mdev and convert it to its per-viommu virtual device ID to mimic a real IOMMU driver. Signed-off-by: Nicolin Chen --- drivers/iommu/iommufd/iommufd_test.h | 10 ++++++++++ drivers/iommu/iommufd/selftest.c | 30 ++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/drivers/iommu/iommufd/iommufd_test.h b/drivers/iommu/iommufd/iommufd_test.h index 56bade6146ff..736ae5f8152e 100644 --- a/drivers/iommu/iommufd/iommufd_test.h +++ b/drivers/iommu/iommufd/iommufd_test.h @@ -24,6 +24,7 @@ enum { IOMMU_TEST_OP_MD_CHECK_IOTLB, IOMMU_TEST_OP_TRIGGER_IOPF, IOMMU_TEST_OP_DEV_CHECK_CACHE, + IOMMU_TEST_OP_TRIGGER_VIRQ, }; enum { @@ -145,6 +146,9 @@ struct iommu_test_cmd { __u32 id; __u32 cache; } check_dev_cache; + struct { + __u32 dev_id; + } trigger_virq; }; __u32 last; }; @@ -210,4 +214,10 @@ struct iommu_viommu_invalidate_selftest { __u32 cache_id; }; +#define IOMMU_VIRQ_TYPE_SELFTEST 0xbeefbeef + +struct iommu_viommu_irq_selftest { + __u32 vdev_id; +}; + #endif diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index ea2861d34b4a..75fccd466018 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -1560,6 +1560,34 @@ static int iommufd_test_trigger_iopf(struct iommufd_ucmd *ucmd, return 0; } +static int iommufd_test_trigger_virq(struct iommufd_ucmd *ucmd, + struct iommu_test_cmd *cmd) +{ + struct iommufd_device *idev; + struct mock_dev *mdev; + + idev = iommufd_get_device(ucmd, cmd->trigger_virq.dev_id); + if (IS_ERR(idev)) + return PTR_ERR(idev); + mdev = container_of(idev->dev, struct mock_dev, dev); + + mutex_lock(&mdev->lock); + if (mdev->vdev_id) { + struct iommu_viommu_irq_selftest test = { + .vdev_id = mdev->vdev_id->id, + }; + + iommufd_viommu_report_irq(mdev->vdev_id->viommu, + IOMMU_VIRQ_TYPE_SELFTEST, + &test, sizeof(test)); + } + mutex_unlock(&mdev->lock); + + iommufd_put_object(ucmd->ictx, &idev->obj); + + return 0; +} + void iommufd_selftest_destroy(struct iommufd_object *obj) { struct selftest_obj *sobj = container_of(obj, struct selftest_obj, obj); @@ -1641,6 +1669,8 @@ int iommufd_test(struct iommufd_ucmd *ucmd) cmd->dirty.flags); case IOMMU_TEST_OP_TRIGGER_IOPF: return iommufd_test_trigger_iopf(ucmd, cmd); + case IOMMU_TEST_OP_TRIGGER_VIRQ: + return iommufd_test_trigger_virq(ucmd, cmd); default: return -EOPNOTSUPP; }