[linux-2.6-block.git] / include / linux / irqnr.h

#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H

#include <uapi/linux/irqnr.h>


extern int nr_irqs;
extern struct irq_desc *irq_to_desc(unsigned int irq);
unsigned int irq_get_next_irq(unsigned int offset);

# define for_each_irq_desc(irq, desc)					\
	for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs;		\
	     irq++, desc = irq_to_desc(irq))				\
		if (!desc)						\
			;						\
		else


# define for_each_irq_desc_reverse(irq, desc)				\
	for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0;	\
	     irq--, desc = irq_to_desc(irq))				\
		if (!desc)						\
			;						\
		else

# define for_each_active_irq(irq)			\
	for (irq = irq_get_next_irq(0); irq < nr_irqs;	\
	     irq = irq_get_next_irq(irq + 1))

#define for_each_irq_nr(irq)                   \
       for (irq = 0; irq < nr_irqs; irq++)

#endif
Commit	Line	Data
dd3a1db9 TG	1	#ifndef _LINUX_IRQNR_H
	2	#define _LINUX_IRQNR_H
	3
607ca46e DH	4	#include <uapi/linux/irqnr.h>
607ca46e DH	5
0ebb26e7	6
0ebb26e7	7	extern int nr_irqs;
f9af0e70	8	extern struct irq_desc *irq_to_desc(unsigned int irq);
a98d24b7	9	unsigned int irq_get_next_irq(unsigned int offset);
0ebb26e7	10
f9af0e70 KM	11	# define for_each_irq_desc(irq, desc) \
f9af0e70 KM	12	for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
18eefedf	13	irq++, desc = irq_to_desc(irq)) \
01d07820 KM	14	if (!desc) \
	15	; \
	16	else
18eefedf KM	17
18eefedf KM	18
f9af0e70 KM	19	# define for_each_irq_desc_reverse(irq, desc) \
f9af0e70 KM	20	for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \
18eefedf	21	irq--, desc = irq_to_desc(irq)) \
01d07820 KM	22	if (!desc) \
	23	; \
	24	else
240d367b	25
a98d24b7 TG	26	# define for_each_active_irq(irq) \
	27	for (irq = irq_get_next_irq(0); irq < nr_irqs; \
	28	irq = irq_get_next_irq(irq + 1))
	29
240d367b YL	30	#define for_each_irq_nr(irq) \
240d367b YL	31	for (irq = 0; irq < nr_irqs; irq++)
dd3a1db9	32
dd3a1db9	33	#endif