4 #define EXT_INTERRUPT 0
6 #define THIN_INTERRUPT 2
10 #ifdef CONFIG_PCI_NR_MSI
11 # define NR_IRQS (NR_IRQS_BASE + CONFIG_PCI_NR_MSI)
13 # define NR_IRQS NR_IRQS_BASE
16 /* External interruption codes */
17 #define EXT_IRQ_INTERRUPT_KEY 0x0040
18 #define EXT_IRQ_CLK_COMP 0x1004
19 #define EXT_IRQ_CPU_TIMER 0x1005
20 #define EXT_IRQ_WARNING_TRACK 0x1007
21 #define EXT_IRQ_MALFUNC_ALERT 0x1200
22 #define EXT_IRQ_EMERGENCY_SIG 0x1201
23 #define EXT_IRQ_EXTERNAL_CALL 0x1202
24 #define EXT_IRQ_TIMING_ALERT 0x1406
25 #define EXT_IRQ_MEASURE_ALERT 0x1407
26 #define EXT_IRQ_SERVICE_SIG 0x2401
27 #define EXT_IRQ_CP_SERVICE 0x2603
28 #define EXT_IRQ_IUCV 0x4000
32 #include <linux/hardirq.h>
33 #include <linux/percpu.h>
34 #include <linux/cache.h>
35 #include <linux/types.h>
37 enum interruption_class {
74 unsigned int irqs[NR_ARCH_IRQS];
77 DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
79 static __always_inline void inc_irq_stat(enum interruption_class irq)
81 __this_cpu_inc(irq_stat.irqs[irq]);
85 unsigned short subcode;
89 typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
91 int register_external_irq(u16 code, ext_int_handler_t handler);
92 int unregister_external_irq(u16 code, ext_int_handler_t handler);
95 IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
96 IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
99 #define CR0_IRQ_SUBCLASS_MASK \
100 ((1UL << (63 - 30)) /* Warning Track */ | \
101 (1UL << (63 - 48)) /* Malfunction Alert */ | \
102 (1UL << (63 - 49)) /* Emergency Signal */ | \
103 (1UL << (63 - 50)) /* External Call */ | \
104 (1UL << (63 - 52)) /* Clock Comparator */ | \
105 (1UL << (63 - 53)) /* CPU Timer */ | \
106 (1UL << (63 - 54)) /* Service Signal */ | \
107 (1UL << (63 - 57)) /* Interrupt Key */ | \
108 (1UL << (63 - 58)) /* Measurement Alert */ | \
109 (1UL << (63 - 59)) /* Timing Alert */ | \
110 (1UL << (63 - 62))) /* IUCV */
112 void irq_subclass_register(enum irq_subclass subclass);
113 void irq_subclass_unregister(enum irq_subclass subclass);
115 #define irq_canonicalize(irq) (irq)
117 #endif /* __ASSEMBLY__ */
119 #endif /* _ASM_IRQ_H */