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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /include/linux/reboot.h
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'include/linux/reboot.h')
-rw-r--r--include/linux/reboot.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
new file mode 100644
index 00000000..e0879a70
--- /dev/null
+++ b/include/linux/reboot.h
@@ -0,0 +1,89 @@
+#ifndef _LINUX_REBOOT_H
+#define _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
+
+
+#ifdef __KERNEL__
+
+#include <linux/notifier.h>
+
+#define SYS_DOWN 0x0001 /* Notify of system down */
+#define SYS_RESTART SYS_DOWN
+#define SYS_HALT 0x0002 /* Notify of system halt */
+#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
+
+extern int register_reboot_notifier(struct notifier_block *);
+extern int unregister_reboot_notifier(struct notifier_block *);
+
+
+/*
+ * Architecture-specific implementations of sys_reboot commands.
+ */
+
+extern void machine_restart(char *cmd);
+extern void machine_halt(void);
+extern void machine_power_off(void);
+
+extern void machine_shutdown(void);
+struct pt_regs;
+extern void machine_crash_shutdown(struct pt_regs *);
+
+/*
+ * Architecture independent implemenations of sys_reboot commands.
+ */
+
+extern void kernel_restart_prepare(char *cmd);
+extern void kernel_restart(char *cmd);
+extern void kernel_halt(void);
+extern void kernel_power_off(void);
+
+extern int C_A_D; /* for sysctl */
+void ctrl_alt_del(void);
+
+#define POWEROFF_CMD_PATH_LEN 256
+extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
+
+extern int orderly_poweroff(bool force);
+
+/*
+ * Emergency restart, callable from an interrupt handler.
+ */
+
+extern void emergency_restart(void);
+#include <asm/emergency-restart.h>
+
+#endif
+
+#endif /* _LINUX_REBOOT_H */