include/bootretry.h

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __BOOTRETRY_H
   9 #define __BOOTRETRY_H
  10
  11 #ifdef CONFIG_BOOT_RETRY_TIME
  12 /**
  13  * bootretry_tstc_timeout() - ensure we get a keypress before timeout
  14  *
  15  * Check for a keypress repeatedly, resetting the watchdog each time. If a
  16  * keypress is not received within the command timeout, return an error.
  17  *
  18  * @return 0 if a key is received in time, -ETIMEDOUT if not
  19  */
  20 int bootretry_tstc_timeout(void);
  21
  22 /**
  23  * bootretry_init_cmd_timeout() - set up command timeout
  24  *
  25  * Get the required command timeout from the environment.
  26  */
  27 void bootretry_init_cmd_timeout(void);
  28
  29 /**
  30  * bootretry_reset_cmd_timeout() - reset command timeout
  31  *
  32  * Reset the command timeout so that the user has a fresh start. This is
  33  * typically used when input is received from the user.
  34  */
  35 void bootretry_reset_cmd_timeout(void);
  36
  37 /** bootretry_dont_retry() - Indicate that we should not retry the boot */
  38 void bootretry_dont_retry(void);
  39 #else
  40 static inline int bootretry_tstc_timeout(void)
  41 {
  42         return 0;
  43 }
  44
  45 static inline void bootretry_init_cmd_timeout(void)
  46 {
  47 }
  48
  49 static inline void bootretry_reset_cmd_timeout(void)
  50 {
  51 }
  52
  53 static inline void bootretry_dont_retry(void)
  54 {
  55 }
  56
  57 #endif
  58
  59 #endif