diff options
Diffstat (limited to 'include/linux/sysrq.h')
| -rw-r--r-- | include/linux/sysrq.h | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h index 8c71874e8485..bdca467ebb77 100644 --- a/include/linux/sysrq.h +++ b/include/linux/sysrq.h @@ -30,10 +30,10 @@ #define SYSRQ_ENABLE_RTNICE 0x0100 struct sysrq_key_op { - void (*handler)(int); - char *help_msg; - char *action_msg; - int enable_mask; + void (* const handler)(u8); + const char * const help_msg; + const char * const action_msg; + const int enable_mask; }; #ifdef CONFIG_MAGIC_SYSRQ @@ -43,34 +43,41 @@ struct sysrq_key_op { * are available -- else NULL's). */ -void handle_sysrq(int key); -void __handle_sysrq(int key, bool check_mask); -int register_sysrq_key(int key, struct sysrq_key_op *op); -int unregister_sysrq_key(int key, struct sysrq_key_op *op); -struct sysrq_key_op *__sysrq_get_key_op(int key); +void handle_sysrq(u8 key); +void __handle_sysrq(u8 key, bool check_mask); +int register_sysrq_key(u8 key, const struct sysrq_key_op *op); +int unregister_sysrq_key(u8 key, const struct sysrq_key_op *op); +extern const struct sysrq_key_op *__sysrq_reboot_op; int sysrq_toggle_support(int enable_mask); +int sysrq_mask(void); #else -static inline void handle_sysrq(int key) +static inline void handle_sysrq(u8 key) { } -static inline void __handle_sysrq(int key, bool check_mask) +static inline void __handle_sysrq(u8 key, bool check_mask) { } -static inline int register_sysrq_key(int key, struct sysrq_key_op *op) +static inline int register_sysrq_key(u8 key, const struct sysrq_key_op *op) { return -EINVAL; } -static inline int unregister_sysrq_key(int key, struct sysrq_key_op *op) +static inline int unregister_sysrq_key(u8 key, const struct sysrq_key_op *op) { return -EINVAL; } +static inline int sysrq_mask(void) +{ + /* Magic SysRq disabled mask */ + return 0; +} + #endif #endif /* _LINUX_SYSRQ_H */ |