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       1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
       2  #ifndef _LINUX_REBOOT_H
       3  #define _LINUX_REBOOT_H
       4  
       5  /*
       6   * Magic values required to use _reboot() system call.
       7   */
       8  
       9  #define	LINUX_REBOOT_MAGIC1	0xfee1dead
      10  #define	LINUX_REBOOT_MAGIC2	672274793
      11  #define	LINUX_REBOOT_MAGIC2A	85072278
      12  #define	LINUX_REBOOT_MAGIC2B	369367448
      13  #define	LINUX_REBOOT_MAGIC2C	537993216
      14  
      15  
      16  /*
      17   * Commands accepted by the _reboot() system call.
      18   *
      19   * RESTART     Restart system using default command and mode.
      20   * HALT        Stop OS and give system control to ROM monitor, if any.
      21   * CAD_ON      Ctrl-Alt-Del sequence causes RESTART command.
      22   * CAD_OFF     Ctrl-Alt-Del sequence sends SIGINT to init task.
      23   * POWER_OFF   Stop OS and remove all power from system, if possible.
      24   * RESTART2    Restart system using given command string.
      25   * SW_SUSPEND  Suspend system using software suspend if compiled in.
      26   * KEXEC       Restart system using a previously loaded Linux kernel
      27   */
      28  
      29  #define	LINUX_REBOOT_CMD_RESTART	0x01234567
      30  #define	LINUX_REBOOT_CMD_HALT		0xCDEF0123
      31  #define	LINUX_REBOOT_CMD_CAD_ON		0x89ABCDEF
      32  #define	LINUX_REBOOT_CMD_CAD_OFF	0x00000000
      33  #define	LINUX_REBOOT_CMD_POWER_OFF	0x4321FEDC
      34  #define	LINUX_REBOOT_CMD_RESTART2	0xA1B2C3D4
      35  #define	LINUX_REBOOT_CMD_SW_SUSPEND	0xD000FCE2
      36  #define	LINUX_REBOOT_CMD_KEXEC		0x45584543
      37  
      38  
      39  
      40  #endif /* _LINUX_REBOOT_H */