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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_SYSTEM_SAFE_MODE_H
#define __CROS_EC_SYSTEM_SAFE_MODE_H
#include "stdbool.h"
/**
* Checks if running in system safe mode
*
* @return True if system is running in system safe mode
*/
bool system_is_in_safe_mode(void);
/**
* Checks if command is allowed in system safe mode
*
* @return True if command is allowed in system safe mode
*/
bool command_is_allowed_in_safe_mode(int command);
/**
* Checks if a task is critical for system safe mode
*
* @return True if task is safe mode critical
*/
bool is_task_safe_mode_critical(task_id_t task_id);
/**
* Disables tasks that are not critical for safe mode
*
* @return EC_SUCCESS or EC_xxx on error
*/
int disable_non_safe_mode_critical_tasks(void);
/**
* Start system safe mode.
*
* System safe mode can only be started after a panic in RW image.
* It will only run briefly so the AP can capture EC state.
*
* @return EC_SUCCESS or EC_xxx on error
*/
int start_system_safe_mode(void);
/**
* Schedules safe mode timeout.
*
* @return EC_SUCCESS or EC_xxx on error
*/
int schedule_system_safe_mode_timeout(void);
/**
* This handler is called when safe mode times out.
*/
void handle_system_safe_mode_timeout(void);
#ifdef TEST_BUILD
/**
* Directly set safe mode flag. Only used in tests.
*/
void set_system_safe_mode(bool mode);
#endif
#endif /* __CROS_EC_SYSTEM_SAFE_MODE_H */
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