Viewing file:  irq.h (1.67 KB) -rw-r--r--
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#ifndef _ASM_IRQ_H
#define _ASM_IRQ_H
#define EXT_INTERRUPT 1
#define IO_INTERRUPT 2
#define THIN_INTERRUPT 3
#define NR_IRQS_BASE 4
#ifdef CONFIG_PCI_NR_MSI
# define NR_IRQS (NR_IRQS_BASE + CONFIG_PCI_NR_MSI)
#else
# define NR_IRQS NR_IRQS_BASE
#endif
/* This number is used when no interrupt has been assigned */
#define NO_IRQ 0
#ifndef __ASSEMBLY__
#include <linux/hardirq.h>
#include <linux/percpu.h>
#include <linux/cache.h>
#include <linux/types.h>
enum interruption_class {
IRQEXT_CLK,
IRQEXT_EXC,
IRQEXT_EMS,
IRQEXT_TMR,
IRQEXT_TLA,
IRQEXT_PFL,
IRQEXT_DSD,
IRQEXT_VRT,
IRQEXT_SCP,
IRQEXT_IUC,
IRQEXT_CMS,
IRQEXT_CMC,
IRQEXT_CMR,
IRQIO_CIO,
IRQIO_QAI,
IRQIO_DAS,
IRQIO_C15,
IRQIO_C70,
IRQIO_TAP,
IRQIO_VMR,
IRQIO_LCS,
IRQIO_CLW,
IRQIO_CTC,
IRQIO_APB,
IRQIO_ADM,
IRQIO_CSC,
IRQIO_PCI,
IRQIO_MSI,
IRQIO_VIR,
NMI_NMI,
CPU_RST,
NR_ARCH_IRQS
};
struct irq_stat {
unsigned int irqs[NR_ARCH_IRQS];
};
DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
static __always_inline void inc_irq_stat(enum interruption_class irq)
{
__get_cpu_var(irq_stat).irqs[irq]++;
}
struct ext_code {
unsigned short subcode;
unsigned short code;
};
typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
int register_external_interrupt(u16 code, ext_int_handler_t handler);
int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
enum irq_subclass {
IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
};
void irq_subclass_register(enum irq_subclass subclass);
void irq_subclass_unregister(enum irq_subclass subclass);
#define irq_canonicalize(irq) (irq)
#endif /* __ASSEMBLY__ */
#endif /* _ASM_IRQ_H */
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