linux_dsm_epyc7002/include/linux/irqnr.h
Paul Mundt 4600d7c493 genirq: Fix up irq_node() for irq_data changes.
Now that the node ID is tracked in the irq_data structure, update the
irq_node() definition accordingly. This fixes up irq_node() usage under
GENERIC_HARDIRQS_NO_DEPRECATED && SMP.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
LKML-Reference: <20101028023031.GB10365@linux-sh.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-10-28 11:58:39 +02:00

63 lines
1.4 KiB
C

#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H
/*
* Generic irq_desc iterators:
*/
#ifdef __KERNEL__
#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
/*
* Wrappers for non-genirq architectures:
*/
#define nr_irqs NR_IRQS
#define irq_to_desc(irq) (&irq_desc[irq])
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1; irq >= 0; irq--)
#else /* CONFIG_GENERIC_HARDIRQS */
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
#ifdef CONFIG_SMP
#define irq_node(irq) (irq_get_irq_data(irq)->node)
#else
#define irq_node(irq) 0
#endif
# define for_each_active_irq(irq) \
for (irq = irq_get_next_irq(0); irq < nr_irqs; \
irq = irq_get_next_irq(irq + 1))
#endif /* CONFIG_GENERIC_HARDIRQS */
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#endif /* __KERNEL__ */
#endif