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10 #include <linux/tty.h>
11 #include <linux/sysrq.h>
12 #include <linux/workqueue.h>
13
14 extern unsigned int
15 ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);
16
17
18 #define CTRLCHAR_NONE (1 << 8)
19 #define CTRLCHAR_CTRL (2 << 8)
20 #define CTRLCHAR_SYSRQ (3 << 8)
21
22 #define CTRLCHAR_MASK (~0xffu)
23
24
25 #ifdef CONFIG_MAGIC_SYSRQ
26 struct sysrq_work {
27 int key;
28 struct work_struct work;
29 };
30
31 void schedule_sysrq_work(struct sysrq_work *sw);
32 #endif