Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / kernel / irq / debug.h

diff --git a/kernel/kernel/irq/debug.h b/kernel/kernel/irq/debug.h
new file mode 100644 (file)
index 0000000..e75e29e
--- /dev/null
+++ b/kernel/kernel/irq/debug.h
@@ -0,0 +1,45 @@
+/*
+ * Debugging printout:
+ */
+
+#include <linux/kallsyms.h>
+
+#define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
+#define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
+/* FIXME */
+#define ___PD(f) do { } while (0)
+
+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("->irq_data.chip(): %p, ", desc->irq_data.chip);
+       print_symbol("%s\n", (unsigned long)desc->irq_data.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_LEVEL);
+       ___P(IRQ_PER_CPU);
+       ___P(IRQ_NOPROBE);
+       ___P(IRQ_NOREQUEST);
+       ___P(IRQ_NOTHREAD);
+       ___P(IRQ_NOAUTOEN);
+
+       ___PS(IRQS_AUTODETECT);
+       ___PS(IRQS_REPLAY);
+       ___PS(IRQS_WAITING);
+       ___PS(IRQS_PENDING);
+
+       ___PD(IRQS_INPROGRESS);
+       ___PD(IRQS_DISABLED);
+       ___PD(IRQS_MASKED);
+}
+
+#undef ___P
+#undef ___PS
+#undef ___PD