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smcinvoke: ADCI changes for SMCInvoke Driver

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Change consists creation of ADCI thread at SMCInvoke
driver initialization

 Change consists creation of ADCI thread at SMCInvoke driver initialization
 Following scenario have been tested for this change
  (1) ADCI thread creation and QTEE invocation during driver initialization
  (2) Backward Compatibility - IF ADCI feature is not supported (OBJECT_ERROR_INVALID)
        then exit the ADCI thread gracefully after cleaning up all the resources
  (3) Leak Test: All the resources held by ADCI thread should be released if ADCI feature
      is not supported by QTEE
      (i) adci task_struct state and exit state:
            state =  TASK_RUNNING , exit_state = 0 (While ADCI thread execution)
            state =  TASK_DEAD , exit_state = EXIT_DEAD (During ADCI thread termination)
     (ii) adci task_struct = NULL (fetched based on adci thread_id) which make sure
             task_struct has been deallocated
  (4) SMCInvoke related Test: All the internal(suuported),memobj and cbo testing has been performed.

Change-Id: I2916ce260fae293b88fbc8b9d24baccdee1ea89f
Signed-off-by: Pawan Rai <quic_pawarai@quicinc.com>
This commit is contained in:
Pawan Rai
2022-12-29 13:42:59 +05:30
committed by Gerrit - the friendly Code Review server
parent 4ed6950035
commit ef2c3ba718
4 changed files with 103 additions and 10 deletions
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include/linux/smcinvoke_object.h
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@@ -184,6 +184,7 @@ static inline void Object_replace(struct Object *loc, struct Object objNew)
}
#define Object_ASSIGN_NULL(loc) Object_replace(&(loc), Object_NULL)
#define SMCINVOKE_INTERFACE_MAX_RETRY 5
int smcinvoke_release_from_kernel_client(int fd);