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-rw-r--r--kernel/include/linux/irqnr.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/include/linux/irqnr.h b/kernel/include/linux/irqnr.h
new file mode 100644
index 000000000..fdd5cc16c
--- /dev/null
+++ b/kernel/include/linux/irqnr.h
@@ -0,0 +1,39 @@
+#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
+
+#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))
+
+#define for_each_irq_nr(irq) \
+ for (irq = 0; irq < nr_irqs; irq++)
+
+#endif