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Mon, 10 Jun 2024 19:13:30 -0700 Date: Mon, 10 Jun 2024 19:13:29 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: , Joerg Roedel , , Robin Murphy , Will Deacon , Michael Shavit , , Ryan Roberts , Mostafa Saleh Subject: Re: [PATCH v2 04/10] iommu/arm-smmu-v3: Add types for each level of the 2 level stream table Message-ID: References: <0-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com> <4-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com> Precedence: bulk X-Mailing-List: patches@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: <4-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D9:EE_|DS7PR12MB8419:EE_ X-MS-Office365-Filtering-Correlation-Id: 4bf7b8e3-973a-49e8-7e4d-08dc89bc1c7d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|36860700004|376005|1800799015|82310400017; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jun 2024 02:13:40.3204 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4bf7b8e3-973a-49e8-7e4d-08dc89bc1c7d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D9.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB8419 On Mon, Jun 10, 2024 at 09:31:13PM -0300, Jason Gunthorpe wrote: > Add types struct arm_smmu_strtab_l1 and l2 to represent the HW layout of > the descriptors, and use them in most places, following patches will get > the remaing places. The size of the l1 and l2 HW allocations are > sizeof(struct arm_smmu_strtab_l1/2). > > This provides some more clarity than having raw __le64 *'s and sizes > computed via macros. > > Remove STRTAB_L1_DESC_DWORDS. > > Signed-off-by: Jason Gunthorpe Reviewed-by: Nicolin Chen