1 #ifndef _ASM_IRQ_H
2 #define _ASM_IRQ_H
3 
4 #include <linux/hardirq.h>
5 #include <linux/types.h>
6 
7 enum interruption_class {
8 	EXTERNAL_INTERRUPT,
9 	IO_INTERRUPT,
10 	EXTINT_CLK,
11 	EXTINT_EXC,
12 	EXTINT_EMS,
13 	EXTINT_TMR,
14 	EXTINT_TLA,
15 	EXTINT_PFL,
16 	EXTINT_DSD,
17 	EXTINT_VRT,
18 	EXTINT_SCP,
19 	EXTINT_IUC,
20 	EXTINT_CPM,
21 	IOINT_CIO,
22 	IOINT_QAI,
23 	IOINT_DAS,
24 	IOINT_C15,
25 	IOINT_C70,
26 	IOINT_TAP,
27 	IOINT_VMR,
28 	IOINT_LCS,
29 	IOINT_CLW,
30 	IOINT_CTC,
31 	IOINT_APB,
32 	IOINT_CSC,
33 	NMI_NMI,
34 	NR_IRQS,
35 };
36 
37 typedef void (*ext_int_handler_t)(unsigned int, unsigned int, unsigned long);
38 
39 int register_external_interrupt(u16 code, ext_int_handler_t handler);
40 int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
41 void service_subclass_irq_register(void);
42 void service_subclass_irq_unregister(void);
43 
44 #endif /* _ASM_IRQ_H */
45