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Fri, 12 Apr 2024 20:47:39 -0700 From: Nicolin Chen To: , , , , CC: , , , , , , , , , , , Subject: [PATCH RFCv1 01/14] iommufd: Move iommufd_object to public iommufd header Date: Fri, 12 Apr 2024 20:46:58 -0700 Message-ID: <09e84c7c9099aba07b24b113c70d57d4574aee08.1712978212.git.nicolinc@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099E2:EE_|DM4PR12MB6112:EE_ X-MS-Office365-Filtering-Correlation-Id: 243d9255-a8b6-446d-d242-08dc5b6c7b25 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: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:(13230031)(82310400014)(7416005)(376005)(1800799015)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Apr 2024 03:47:45.9033 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 243d9255-a8b6-446d-d242-08dc5b6c7b25 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: DS3PEPF000099E2.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6112 To prepare for a new public iommufd_viommu structure that will be an embedded object in a driver's viommu structure: // include/linux/iommufd.h struct iommufd_viommu { struct iommufd_object obj; .... }; // Some IOMMU driver struct iommu_driver_viommu { struct iommufd_viommu core; .... }; Move iommufd_object and iommufd_object_type to the public header. Signed-off-by: Nicolin Chen --- drivers/iommu/iommufd/iommufd_private.h | 24 +----------------------- include/linux/iommufd.h | 23 +++++++++++++++++++++++ 2 files changed, 24 insertions(+), 23 deletions(-) diff --git a/drivers/iommu/iommufd/iommufd_private.h b/drivers/iommu/iommufd/iommufd_private.h index 991f864d1f9b..3ea0a093ee50 100644 --- a/drivers/iommu/iommufd/iommufd_private.h +++ b/drivers/iommu/iommufd/iommufd_private.h @@ -6,9 +6,9 @@ #include #include -#include #include #include +#include #include #include @@ -120,28 +120,6 @@ static inline int iommufd_ucmd_respond(struct iommufd_ucmd *ucmd, return 0; } -enum iommufd_object_type { - IOMMUFD_OBJ_NONE, - IOMMUFD_OBJ_ANY = IOMMUFD_OBJ_NONE, - IOMMUFD_OBJ_DEVICE, - IOMMUFD_OBJ_HWPT_PAGING, - IOMMUFD_OBJ_HWPT_NESTED, - IOMMUFD_OBJ_IOAS, - IOMMUFD_OBJ_ACCESS, -#ifdef CONFIG_IOMMUFD_TEST - IOMMUFD_OBJ_SELFTEST, -#endif - IOMMUFD_OBJ_MAX, -}; - -/* Base struct for all objects with a userspace ID handle. */ -struct iommufd_object { - refcount_t shortterm_users; - refcount_t users; - enum iommufd_object_type type; - unsigned int id; -}; - static inline bool iommufd_lock_obj(struct iommufd_object *obj) { if (!refcount_inc_not_zero(&obj->users)) diff --git a/include/linux/iommufd.h b/include/linux/iommufd.h index ffc3a949f837..a0cb08a4b653 100644 --- a/include/linux/iommufd.h +++ b/include/linux/iommufd.h @@ -9,6 +9,7 @@ #include #include #include +#include struct device; struct iommufd_device; @@ -18,6 +19,28 @@ struct iommufd_access; struct file; struct iommu_group; +enum iommufd_object_type { + IOMMUFD_OBJ_NONE, + IOMMUFD_OBJ_ANY = IOMMUFD_OBJ_NONE, + IOMMUFD_OBJ_DEVICE, + IOMMUFD_OBJ_HWPT_PAGING, + IOMMUFD_OBJ_HWPT_NESTED, + IOMMUFD_OBJ_IOAS, + IOMMUFD_OBJ_ACCESS, +#ifdef CONFIG_IOMMUFD_TEST + IOMMUFD_OBJ_SELFTEST, +#endif + IOMMUFD_OBJ_MAX, +}; + +/* Base struct for all objects with a userspace ID handle. */ +struct iommufd_object { + refcount_t shortterm_users; + refcount_t users; + enum iommufd_object_type type; + unsigned int id; +}; + struct iommufd_device *iommufd_device_bind(struct iommufd_ctx *ictx, struct device *dev, u32 *id); void iommufd_device_unbind(struct iommufd_device *idev); -- 2.43.0