diff options
Diffstat (limited to 'include/linux/tee_drv.h')
| -rw-r--r-- | include/linux/tee_drv.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index 17eb1c5205d3..911ddf92dcee 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -84,6 +84,7 @@ struct tee_param { * @release: release this open file * @open_session: open a new session * @close_session: close a session + * @system_session: declare session as a system session * @invoke_func: invoke a trusted function * @cancel_req: request cancel of an ongoing invoke or open * @supp_recv: called for supplicant to get a command @@ -100,6 +101,7 @@ struct tee_driver_ops { struct tee_ioctl_open_session_arg *arg, struct tee_param *param); int (*close_session)(struct tee_context *ctx, u32 session); + int (*system_session)(struct tee_context *ctx, u32 session); int (*invoke_func)(struct tee_context *ctx, struct tee_ioctl_invoke_arg *arg, struct tee_param *param); @@ -430,6 +432,20 @@ int tee_client_open_session(struct tee_context *ctx, int tee_client_close_session(struct tee_context *ctx, u32 session); /** + * tee_client_system_session() - Declare session as a system session + * @ctx: TEE Context + * @session: Session id + * + * This function requests TEE to provision an entry context ready to use for + * that session only. The provisioned entry context is used for command + * invocation and session closure, not for command cancelling requests. + * TEE releases the provisioned context upon session closure. + * + * Return < 0 on error else 0 if an entry context has been provisioned. + */ +int tee_client_system_session(struct tee_context *ctx, u32 session); + +/** * tee_client_invoke_func() - Invoke a function in a Trusted Application * @ctx: TEE Context * @arg: Invoke arguments, see description of |