2 #ifndef _ASM_POWERPC_IRQ_H
3 #define _ASM_POWERPC_IRQ_H
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/irqdomain.h>
13 #include <linux/threads.h>
14 #include <linux/list.h>
15 #include <linux/radix-tree.h>
17 #include <asm/types.h>
18 #include <linux/atomic.h>
21 extern atomic_t ppc_n_lost_interrupts;
23 /* This number is used when no interrupt has been assigned */
26 /* Total number of virq in the platform */
27 #define NR_IRQS CONFIG_NR_IRQS
29 /* Same thing, used by the generic IRQ code */
30 #define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS
32 extern irq_hw_number_t virq_to_hw(unsigned int virq);
34 static __inline__ int irq_canonicalize(int irq)
39 extern int distribute_irqs;
44 #define __ARCH_HAS_DO_SOFTIRQ
46 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
48 * Per-cpu stacks for handling critical, debug and machine check
51 extern void *critirq_ctx[NR_CPUS];
52 extern void *dbgirq_ctx[NR_CPUS];
53 extern void *mcheckirq_ctx[NR_CPUS];
57 * Per-cpu stacks for handling hard and soft interrupts.
59 extern void *hardirq_ctx[NR_CPUS];
60 extern void *softirq_ctx[NR_CPUS];
62 void call_do_softirq(void *sp);
63 void call_do_irq(struct pt_regs *regs, void *sp);
64 extern void do_IRQ(struct pt_regs *regs);
65 extern void __init init_IRQ(void);
66 extern void __do_irq(struct pt_regs *regs);
68 int irq_choose_cpu(const struct cpumask *mask);
70 #endif /* _ASM_IRQ_H */
71 #endif /* __KERNEL__ */