reboot.h

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#ifndef _UAPI_LINUX_REBOOT_H
#define _UAPI_LINUX_REBOOT_H

/*
 * Magic values required to use _reboot() system call.
 */

#define LINUX_REBOOT_MAGIC1 0xfee1dead
#define LINUX_REBOOT_MAGIC2 672274793
#define LINUX_REBOOT_MAGIC2A    85072278
#define LINUX_REBOOT_MAGIC2B    369367448
#define LINUX_REBOOT_MAGIC2C    537993216


/*
 * Commands accepted by the _reboot() system call.
 *
 * RESTART     Restart system using default command and mode.
 * HALT        Stop OS and give system control to ROM monitor, if any.
 * CAD_ON      Ctrl-Alt-Del sequence causes RESTART command.
 * CAD_OFF     Ctrl-Alt-Del sequence sends SIGINT to init task.
 * POWER_OFF   Stop OS and remove all power from system, if possible.
 * RESTART2    Restart system using given command string.
 * SW_SUSPEND  Suspend system using software suspend if compiled in.
 * KEXEC       Restart system using a previously loaded Linux kernel
 */

#define LINUX_REBOOT_CMD_RESTART    0x01234567
#define LINUX_REBOOT_CMD_HALT       0xCDEF0123
#define LINUX_REBOOT_CMD_CAD_ON     0x89ABCDEF
#define LINUX_REBOOT_CMD_CAD_OFF    0x00000000
#define LINUX_REBOOT_CMD_POWER_OFF  0x4321FEDC
#define LINUX_REBOOT_CMD_RESTART2   0xA1B2C3D4
#define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
#define LINUX_REBOOT_CMD_KEXEC      0x45584543



#endif /* _UAPI_LINUX_REBOOT_H */