include/linux/remoteproc/qcom_rproc.h

   1 #ifndef __QCOM_RPROC_H__
   2 #define __QCOM_RPROC_H__
   3
   4 struct notifier_block;
   5
   6 /**
   7  * enum qcom_ssr_notify_type - Startup/Shutdown events related to a remoteproc
   8  * processor.
   9  *
  10  * @QCOM_SSR_BEFORE_POWERUP:    Remoteproc about to start (prepare stage)
  11  * @QCOM_SSR_AFTER_POWERUP:     Remoteproc is running (start stage)
  12  * @QCOM_SSR_BEFORE_SHUTDOWN:   Remoteproc crashed or shutting down (stop stage)
  13  * @QCOM_SSR_AFTER_SHUTDOWN:    Remoteproc is down (unprepare stage)
  14  */
  15 enum qcom_ssr_notify_type {
  16         QCOM_SSR_BEFORE_POWERUP,
  17         QCOM_SSR_AFTER_POWERUP,
  18         QCOM_SSR_BEFORE_SHUTDOWN,
  19         QCOM_SSR_AFTER_SHUTDOWN,
  20 };
  21
  22 struct qcom_ssr_notify_data {
  23         const char *name;
  24         bool crashed;
  25 };
  26
  27 #if IS_ENABLED(CONFIG_QCOM_RPROC_COMMON)
  28
  29 void *qcom_register_ssr_notifier(const char *name, struct notifier_block *nb);
  30 int qcom_unregister_ssr_notifier(void *notify, struct notifier_block *nb);
  31
  32 #else
  33
  34 static inline void *qcom_register_ssr_notifier(const char *name,
  35                                                struct notifier_block *nb)
  36 {
  37         return NULL;
  38 }
  39
  40 static inline int qcom_unregister_ssr_notifier(void *notify,
  41                                                struct notifier_block *nb)
  42 {
  43         return 0;
  44 }
  45
  46 #endif
  47
  48 #endif