diff options
Diffstat (limited to 'drivers/tee/optee/optee_private.h')
| -rw-r--r-- | drivers/tee/optee/optee_private.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index 424898cdc4e9..dc0f355ef72a 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -7,7 +7,9 @@ #define OPTEE_PRIVATE_H #include <linux/arm-smccc.h> +#include <linux/notifier.h> #include <linux/rhashtable.h> +#include <linux/rpmb.h> #include <linux/semaphore.h> #include <linux/tee_core.h> #include <linux/types.h> @@ -20,6 +22,7 @@ /* Some Global Platform error codes used in this driver */ #define TEEC_SUCCESS 0x00000000 #define TEEC_ERROR_BAD_PARAMETERS 0xFFFF0006 +#define TEEC_ERROR_ITEM_NOT_FOUND 0xFFFF0008 #define TEEC_ERROR_NOT_SUPPORTED 0xFFFF000A #define TEEC_ERROR_COMMUNICATION 0xFFFF000E #define TEEC_ERROR_OUT_OF_MEMORY 0xFFFF000C @@ -28,6 +31,7 @@ /* API Return Codes are from the GP TEE Internal Core API Specification */ #define TEE_ERROR_TIMEOUT 0xFFFF3001 +#define TEE_ERROR_STORAGE_NOT_AVAILABLE 0xF0100003 #define TEEC_ORIGIN_COMMS 0x00000002 @@ -200,6 +204,12 @@ struct optee_ops { * @notif: notification synchronization struct * @supp: supplicant synchronization struct for RPC to supplicant * @pool: shared memory pool + * @mutex: mutex protecting @rpmb_dev + * @rpmb_dev: current RPMB device or NULL + * @rpmb_scan_bus_done flag if device registation of RPMB dependent devices + * was already done + * @rpmb_scan_bus_work workq to for an RPMB device and to scan optee bus + * and register RPMB dependent optee drivers * @rpc_param_count: If > 0 number of RPC parameters to make room for * @scan_bus_done flag if device registation was already done. * @scan_bus_work workq to scan optee bus and register optee drivers @@ -218,9 +228,16 @@ struct optee { struct optee_notif notif; struct optee_supp supp; struct tee_shm_pool *pool; + /* Protects rpmb_dev pointer */ + struct mutex rpmb_dev_mutex; + struct rpmb_dev *rpmb_dev; + struct notifier_block rpmb_intf; unsigned int rpc_param_count; - bool scan_bus_done; + bool scan_bus_done; + bool rpmb_scan_bus_done; + bool in_kernel_rpmb_routing; struct work_struct scan_bus_work; + struct work_struct rpmb_scan_bus_work; }; struct optee_session { @@ -253,6 +270,8 @@ struct optee_call_ctx { size_t num_entries; }; +extern struct blocking_notifier_head optee_rpmb_intf_added; + int optee_notif_init(struct optee *optee, u_int max_key); void optee_notif_uninit(struct optee *optee); int optee_notif_wait(struct optee *optee, u_int key, u32 timeout); @@ -283,9 +302,14 @@ int optee_cancel_req(struct tee_context *ctx, u32 cancel_id, u32 session); #define PTA_CMD_GET_DEVICES 0x0 #define PTA_CMD_GET_DEVICES_SUPP 0x1 +#define PTA_CMD_GET_DEVICES_RPMB 0x2 int optee_enumerate_devices(u32 func); void optee_unregister_devices(void); +void optee_bus_scan_rpmb(struct work_struct *work); +int optee_rpmb_intf_rdev(struct notifier_block *intf, unsigned long action, + void *data); +void optee_set_dev_group(struct optee *optee); void optee_remove_common(struct optee *optee); int optee_open(struct tee_context *ctx, bool cap_memref_null); void optee_release(struct tee_context *ctx); |