Initial import

1 files changed, 74 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
new file mode 100644
index 000000000..e8e3a0a04
--- /dev/null
+++ b/arch/powerpc/include/asm/irq.h
@@ -0,0 +1,74 @@
+#ifdef __KERNEL__
+#ifndef _ASM_POWERPC_IRQ_H
+#define _ASM_POWERPC_IRQ_H
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/irqdomain.h>
+#include <linux/threads.h>
+#include <linux/list.h>
+#include <linux/radix-tree.h>
+
+#include <asm/types.h>
+#include <linux/atomic.h>
+
+
+extern atomic_t ppc_n_lost_interrupts;
+
+/* This number is used when no interrupt has been assigned */
+#define NO_IRQ			(0)
+
+/* Total number of virq in the platform */
+#define NR_IRQS		CONFIG_NR_IRQS
+
+/* Same thing, used by the generic IRQ code */
+#define NR_IRQS_LEGACY		NUM_ISA_INTERRUPTS
+
+extern irq_hw_number_t virq_to_hw(unsigned int virq);
+
+static __inline__ int irq_canonicalize(int irq)
+{
+	return irq;
+}
+
+extern int distribute_irqs;
+
+struct irqaction;
+struct pt_regs;
+
+#define __ARCH_HAS_DO_SOFTIRQ
+
+#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
+/*
+ * Per-cpu stacks for handling critical, debug and machine check
+ * level interrupts.
+ */
+extern struct thread_info *critirq_ctx[NR_CPUS];
+extern struct thread_info *dbgirq_ctx[NR_CPUS];
+extern struct thread_info *mcheckirq_ctx[NR_CPUS];
+extern void exc_lvl_ctx_init(void);
+#else
+#define exc_lvl_ctx_init()
+#endif
+
+/*
+ * Per-cpu stacks for handling hard and soft interrupts.
+ */
+extern struct thread_info *hardirq_ctx[NR_CPUS];
+extern struct thread_info *softirq_ctx[NR_CPUS];
+
+extern void irq_ctx_init(void);
+extern void call_do_softirq(struct thread_info *tp);
+extern void call_do_irq(struct pt_regs *regs, struct thread_info *tp);
+extern void do_IRQ(struct pt_regs *regs);
+extern void __do_irq(struct pt_regs *regs);
+
+int irq_choose_cpu(const struct cpumask *mask);
+
+#endif /* _ASM_IRQ_H */
+#endif /* __KERNEL__ */