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Mon, 21 Oct 2024 15:51:41 -0700 Date: Mon, 21 Oct 2024 15:51:39 -0700 From: Nicolin Chen To: Pranjal Shrivastava CC: Joerg Roedel , Will Deacon , "Robin Murphy" , Mostafa Saleh , , Jason Gunthorpe Subject: Re: [PATCH v4 0/3] iommu/arm-smmu-v3: Parse out event records Message-ID: References: <20241018180022.807928-1-praan@google.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF00000204:EE_|MN2PR12MB4141:EE_ X-MS-Office365-Filtering-Correlation-Id: 7578aaf8-d44f-434e-acc0-08dcf222ee78 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?aegDcNoE9m5OcKsgezsfj66v+CwLNmNgjWgsDGKPWH9uDgiG4UT0iIvOtUP3?= =?us-ascii?Q?piGFj4JBaDKahzqeFpgNXULDPw2oBixgoUdYX2MZ+oUkwSvK5lff0M1rxm7j?= =?us-ascii?Q?o0bCkz90b1XnPH6QJ6EBzGd/9zUS7XVbg5VrsJIj3AIge7zyYE9LcsmSRkvk?= =?us-ascii?Q?5tKAwKMqB5INnT4K1ZyWpdSEGZHTST2QWKf6apkt4dRABCPmIpjYnL2S3Kuf?= =?us-ascii?Q?yOtw9sgthYjzI38TIo3ncuPcKCPpbJfd+SWV8RHZ0sWt7NB8bBTytiHDueRi?= =?us-ascii?Q?ImGeBiGb53OTcJFWqbuP+TNeVj+zjOjWjT/Ardl4WbZjivErEtUoVcNqc698?= =?us-ascii?Q?GXTltif9HOSCMB153tAThWWreJ5a3xHPc0UQTZ0Huuh+g+od3mR2OBBaSRvB?= =?us-ascii?Q?7w0R69ajStKgAh28P9wwI5uAaP5pXPh93AKl1lhZcNXfW8/CfuxMyAvzedfb?= =?us-ascii?Q?wMdO10ip8jCl7TpmlsQu0r2VSGL9rC+E2ctpISFcI13oJcfZvuCLStH3qYNm?= =?us-ascii?Q?DgSBuSsP1U4NrL4/3EHD4Mcn+eGLzngOU0L6mw3ydmgMkTT3/U5XmcZLKPgh?= =?us-ascii?Q?SQCBnvSUCCs9v8DLyerOY2TcjcGBNKO+QNkiV4smdgRBEiq3Yz1pTNrsqATf?= =?us-ascii?Q?qH8ad/mSNqbVyEvO0Yucf7IOb+chUxJ5Ktgz6Y77bLtGji2bNZjHvspX3neE?= =?us-ascii?Q?yLCaT4QiAlSvhc/fElx4if9XxGdnbM6aMqLBChHMo6cTbASiOxAOEuB2xYOt?= =?us-ascii?Q?/LrqqjCJcJoLPu16uluAN+Zv0l6M15ZMCQYL51VX4dko7jgvpqk0OMb0Y9vb?= =?us-ascii?Q?fK1LR23OkIwMsyYPYqGJP3xObZKcVNmtxD7cPRP17GnDV6etq/HfQIjxwxLK?= =?us-ascii?Q?/VNlRKa/QXcU6AGQsAEosUUIxf/DahHKPCs/vUWRo0BBgb/8vMt5raY8Hpdb?= =?us-ascii?Q?FGRxwJmge7KsGOOSsryCD57ymvSJ3WyXhPX3Hlgiu3SqPPzV4vlVTQTFK3p0?= =?us-ascii?Q?JycsRAvVVMcNJ/8pav1VJ/Snv7B9u/kjT6mnJ9uZLj/TXD+oJ1Tn5FG5HeN3?= =?us-ascii?Q?jpiG5cXSFJocH4ZqG6w84NSoabkFRJBxFcflKhVt6DHNeDzNbMBdKN9q8TMn?= =?us-ascii?Q?J9gFVjsu1JCqxUvbJMCyObHrm6HAf5nQ/+Nqa0Ktt3/l5eoGPhInUDwz7PnK?= =?us-ascii?Q?P+dV0hXTVaZ+9e98sf8QcOLCNZfboTVKde9UQ+qO41/SxuV7o2n2IEYe7L39?= =?us-ascii?Q?DXn7J09lq5e6tm1XX45TwsV4B7NFkVBo1P+oABc9JfyWK3G8psxOptjg3IpY?= =?us-ascii?Q?/2LBjqFsq2oBzUZe5TSO2fyoSSNjlBlIsQsITjV8hHJMSzvPzHj36dYIvRY+?= =?us-ascii?Q?NbuQEjU3mJWsnwGwXrXbf8tfym4nlznv0y4ikcLQKmXTQn9z9Q=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(376014)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Oct 2024 22:51:42.3151 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7578aaf8-d44f-434e-acc0-08dcf222ee78 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF00000204.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4141 On Mon, Oct 21, 2024 at 06:33:47AM +0000, Pranjal Shrivastava wrote: > On Fri, Oct 18, 2024 at 06:45:57PM -0700, Nicolin Chen wrote: > > On Fri, Oct 18, 2024 at 06:00:19PM +0000, Pranjal Shrivastava wrote: > > > > > As requested by Nicolin, some sample logs powered by QEMU: > > > > > > [ 85.410290] arm-smmu-v3 arm-smmu-v3.0.auto: Unexpected event received: F_PERMISSION > > > [ 85.410290] master: 0000:00:01.0 sid: 0x00000008.0x00000 > > > > Thanks! > > > > Should we print "sid.ssid:" v.s. "sid:"? > > Ack. I like the idea. Btw, a sample of the longest log would be: > > [ 85.410290] arm-smmu-v3 arm-smmu-v3.0.auto: Unexpected event received: F_PERMISSION > [ 85.410290] master: 0000:00:01.0 sid.ssid: 0x00000008.0x00000 > [ 85.410290] iova = 0xffffc0d0 ipa = 0x0 > [ 85.410290] Unpriv | Data | Write | S2 | Stage 1 translation table fetch | TTD Write > [ 85.410290] STAG = 0x0 Stall = 0x0 > > (Note: I've hacked something manually to print the longest strings) LGTM!