1 files changed, 69 insertions, 0 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
new file mode 100644
index 0000000..64c1c72
--- /dev/null
+++ b/kernel/irq/internals.h
@@ -0,0 +1,69 @@
+/*
+ * IRQ subsystem internal functions and variables:
+ */
+
+extern int noirqdebug;
+
+/* Set default functions for irq_chip structures: */
+extern void irq_chip_set_defaults(struct irq_chip *chip);
+
+/* Set default handler: */
+extern void compat_irq_chip_set_default_handler(struct irq_desc *desc);
+
+extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
+		unsigned long flags);
+
+#ifdef CONFIG_PROC_FS
+extern void register_irq_proc(unsigned int irq, struct irq_desc *desc);
+extern void register_handler_proc(unsigned int irq, struct irqaction *action);
+extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
+#else
+static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { }
+static inline void register_handler_proc(unsigned int irq,
+					 struct irqaction *action) { }
+static inline void unregister_handler_proc(unsigned int irq,
+					   struct irqaction *action) { }
+#endif
+
+extern int irq_select_affinity_usr(unsigned int irq);
+
+/*
+ * Debugging printout:
+ */
+
+#include <linux/kallsyms.h>
+
+#define P(f) if (desc->status & f) printk("%14s set\n", #f)
+
+static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
+{
+	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
+		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
+	printk("->handle_irq():  %p, ", desc->handle_irq);
+	print_symbol("%s\n", (unsigned long)desc->handle_irq);
+	printk("->chip(): %p, ", desc->chip);
+	print_symbol("%s\n", (unsigned long)desc->chip);
+	printk("->action(): %p\n", desc->action);
+	if (desc->action) {
+		printk("->action->handler(): %p, ", desc->action->handler);
+		print_symbol("%s\n", (unsigned long)desc->action->handler);
+	}
+
+	P(IRQ_INPROGRESS);
+	P(IRQ_DISABLED);
+	P(IRQ_PENDING);
+	P(IRQ_REPLAY);
+	P(IRQ_AUTODETECT);
+	P(IRQ_WAITING);
+	P(IRQ_LEVEL);
+	P(IRQ_MASKED);
+#ifdef CONFIG_IRQ_PER_CPU
+	P(IRQ_PER_CPU);
+#endif
+	P(IRQ_NOPROBE);
+	P(IRQ_NOREQUEST);
+	P(IRQ_NOAUTOEN);
+}
+
+#undef P
+