root/include/uapi/linux/reboot.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI_LINUX_REBOOT_H
   3 #define _UAPI_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 /* _UAPI_LINUX_REBOOT_H */