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Thu, 6 Jun 2024 16:39:20 -0700 Date: Thu, 6 Jun 2024 16:39:18 -0700 From: Nicolin Chen To: Shameer Kolothum CC: , , , , , , , , , , , , , Subject: Re: [PATCH v5 5/6] iommu/arm-smmu-v3: Add support for dirty tracking in domain alloc Message-ID: References: <20240606133302.17540-1-shameerali.kolothum.thodi@huawei.com> <20240606133302.17540-6-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240606133302.17540-6-shameerali.kolothum.thodi@huawei.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099DE:EE_|SA0PR12MB7462:EE_ X-MS-Office365-Filtering-Correlation-Id: 79585e6c-c9b7-4ddc-65c3-08dc8681e61c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|36860700004|82310400017|376005|7416005|1800799015; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?R5ue4lxKCzNJfQrMhesATEL/q4rkOjqkSVvLV6DN97QuSjpvcP5lOB3kbSVi?= =?us-ascii?Q?ksRt4EtUCjPWPN0DPlryTxzbbBQDdLiy0JL72NrkPuIojB6xLcGWSKp2nD0B?= =?us-ascii?Q?nbXkMHpN4Ykz8g4MEarBk+2VkChPwvqZ2+52mIHRivrHArkv5CPdG4fuK8wX?= =?us-ascii?Q?LovyyAUdMFpoOGeI6l4i6zTym9FW9u78lT5rOeSKjyuIFGwTq0NU7Gm2G0Ma?= =?us-ascii?Q?lqnDQ7/Z/Y2YpUfgY3uG/WL/4wVIRJnqxxyBO4ICMRTsEVag3NKC9fewIBCn?= =?us-ascii?Q?XGlW9nGWfV0FpiaySfJNYJ3dXXjTPss1PHBea28vitEFrjO7GEs5uRSxdi6C?= =?us-ascii?Q?qdJvZ9rXMOY6sr/AlOYGeT1Jea/zaFXs2m1M+BRBw1ayGJQ7qRHzy6rLoL1a?= =?us-ascii?Q?FeWn4D+43+pUvbEO6SxS0+w8nYETkSQkLxpwJ9ZNdPwJ2+9NpuMYcksh5cB/?= =?us-ascii?Q?T/mQlmo7pnmwykaFm9IcI2do+YGtPFUYnctr1Vof51sb6eYwpEgE5c2uoHwq?= =?us-ascii?Q?iSTJHb7wBWtZ9lKojMNXkqGFGHvNaVK9ZBWzH5fjHV+umdjKg1qckrwsDevd?= =?us-ascii?Q?RKNEemMbiLRPDtpn7ctyhK/qPzbFQovt6BdVMJZr/3weWb0e5L0jZ3gOrcgA?= =?us-ascii?Q?mRv8lRugZNXSH9Cx4RmPSGsYvx7N+zWy1rs9MkYB7II57pH1j8YC7BaQQomI?= =?us-ascii?Q?To3cgTf50KJ4dombQ5gzWhy50qD3Z9q+3/w7V9ZF93ZcZnUvBXNplWNYVUbU?= =?us-ascii?Q?U5MTkUTNccUhiOQHT/6vDxgLJXlLucPgLgogMgGxFaClbCV4ETOIAt4r+ukh?= =?us-ascii?Q?jYXW82Zh3h0BuAdc+/Ly4Xt4kqpq8eYC56Kt5p7zbuKqBzBdEGxqoHgllIjf?= =?us-ascii?Q?ZTuu/bpL7/D0uYJHhl6a6JPgIrS77kPN3WX3fH+hq963D6OqTyj0/52iqHhC?= =?us-ascii?Q?7DS1GAHTikeyuPG/nuHNXfNwU5jUTGXBAwSI8eueP9J73qEhuDTFofNsTBL1?= =?us-ascii?Q?9E11nqK0vfTAQsLl2TMmd9e/alc8CztHTAqGKGpoV2Ve+SQTtayyER8Oxe5S?= =?us-ascii?Q?kbbRocl13cBCBJq/24beNOKicgR/PBAZm9/XIL99K0YdknGYMHs3yKr2gD9M?= =?us-ascii?Q?jgcZC1tswfPR+Cd0fUGQyPqQpN+tPQsGwl7D8D7rNRk7Wz28mUsI6NfK1Gf1?= =?us-ascii?Q?ezKskXoZ6ROTTTzOxKdoUFxP0l3z9DdDn6R+7ByvyLLzjFDJeAJFaZKx01CD?= =?us-ascii?Q?nfptxuUpiamiMuIoExJ+Ps8O3d3/xAPvlgOCftqt4bBx16IT4GKB1xPhd33p?= =?us-ascii?Q?f0cI4Jp6yjR8KUWFlMJ+Kpawepo6P5/qZHq40UqLkYxCYY8Xgv823cswTH5K?= =?us-ascii?Q?HWUfQ6L9zsOE4QQ0RaCIFJCkT09Aaf9X4B0O57okPuYREHX/QA=3D=3D?= 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:(13230031)(36860700004)(82310400017)(376005)(7416005)(1800799015);DIR:OUT;SFP:1101; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jun 06, 2024 at 02:33:01PM +0100, Shameer Kolothum wrote: > From: Joao Martins > > This provides all the infrastructure to enable dirty tracking if the > hardware has the capability and domain alloc request for it. > > Also, add a device_iommu_capable() check in iommufd core for > IOMMU_CAP_DIRTY_TRACKING before we request a user domain with dirty > tracking support. > > Please note, we still report no support for IOMMU_CAP_DIRTY_TRACKING > as it will finally be enabled in a subsequent patch. > > Signed-off-by: Joao Martins > Reviewed-by: Ryan Roberts > Reviewed-by: Jason Gunthorpe > Signed-off-by: Shameer Kolothum Reviewed-by: Nicolin Chen > @@ -92,6 +94,8 @@ struct io_pgtable_cfg { > #define IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT BIT(4) > #define IO_PGTABLE_QUIRK_ARM_TTBR1 BIT(5) > #define IO_PGTABLE_QUIRK_ARM_OUTER_WBWA BIT(6) > + #define IO_PGTABLE_QUIRK_ARM_HD BIT(7) > + > unsigned long quirks; Doesn't seem to be necessary to add a blank line though Nicolin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel