projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | #ifdef __KERNEL__ |
| 1b92313d PM |
2 | #ifndef _ASM_POWERPC_IRQ_H |
| 3 | #define _ASM_POWERPC_IRQ_H | |
| 4 | ||
| 5 | /* | |
| 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. | |
| 10 | */ | |
| 1da177e4 | 11 | |
| bae1d8f1 | 12 | #include <linux/irqdomain.h> |
| 1b92313d | 13 | #include <linux/threads.h> |
| 0ebfff14 BH |
14 | #include <linux/list.h> |
| 15 | #include <linux/radix-tree.h> | |
| 1b92313d PM |
16 | |
| 17 | #include <asm/types.h> | |
| 60063497 | 18 | #include <linux/atomic.h> |
| 1da177e4 | 19 | |
| 1da177e4 | 20 | |
| 0ebfff14 | 21 | extern atomic_t ppc_n_lost_interrupts; |
| 1b92313d | 22 | |
| 0ebfff14 BH |
23 | /* This number is used when no interrupt has been assigned */ |
| 24 | #define NO_IRQ (0) | |
| 25 | ||
| 551b81f2 ME |
26 | /* Total number of virq in the platform */ |
| 27 | #define NR_IRQS CONFIG_NR_IRQS | |
| 1b92313d | 28 | |
| cd015707 ME |
29 | /* Same thing, used by the generic IRQ code */ |
| 30 | #define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS | |
| 31 | ||
| 35923f12 | 32 | extern irq_hw_number_t virq_to_hw(unsigned int virq); |
| 0b05ac6e | 33 | |
| 40681b95 | 34 | /** |
| 0ebfff14 BH |
35 | * irq_early_init - Init irq remapping subsystem |
| 36 | */ | |
| 37 | extern void irq_early_init(void); | |
| 38 | ||
| 39 | static __inline__ int irq_canonicalize(int irq) | |
| 1b92313d | 40 | { |
| 0ebfff14 | 41 | return irq; |
| 1b92313d PM |
42 | } |
| 43 | ||
| 1b92313d | 44 | extern int distribute_irqs; |
| 1da177e4 | 45 | |
| 1b92313d PM |
46 | struct irqaction; |
| 47 | struct pt_regs; | |
| 48 | ||
| c6622f63 PM |
49 | #define __ARCH_HAS_DO_SOFTIRQ |
| 50 | ||
| bcf0b088 KG |
51 | #if defined(CONFIG_BOOKE) || defined(CONFIG_40x) |
| 52 | /* | |
| 53 | * Per-cpu stacks for handling critical, debug and machine check | |
| 54 | * level interrupts. | |
| 55 | */ | |
| 56 | extern struct thread_info *critirq_ctx[NR_CPUS]; | |
| 57 | extern struct thread_info *dbgirq_ctx[NR_CPUS]; | |
| 58 | extern struct thread_info *mcheckirq_ctx[NR_CPUS]; | |
| 59 | extern void exc_lvl_ctx_init(void); | |
| 60 | #else | |
| 61 | #define exc_lvl_ctx_init() | |
| 62 | #endif | |
| 63 | ||
| 1b92313d PM |
64 | /* |
| 65 | * Per-cpu stacks for handling hard and soft interrupts. | |
| 66 | */ | |
| 67 | extern struct thread_info *hardirq_ctx[NR_CPUS]; | |
| 68 | extern struct thread_info *softirq_ctx[NR_CPUS]; | |
| 69 | ||
| 70 | extern void irq_ctx_init(void); | |
| 71 | extern void call_do_softirq(struct thread_info *tp); | |
| 0366a1c7 | 72 | extern void call_do_irq(struct pt_regs *regs, struct thread_info *tp); |
| f2783c15 | 73 | extern void do_IRQ(struct pt_regs *regs); |
| 0366a1c7 | 74 | extern void __do_irq(struct pt_regs *regs); |
| f2783c15 | 75 | |
| 6ec36b58 SY |
76 | int irq_choose_cpu(const struct cpumask *mask); |
| 77 | ||
| 1da177e4 LT |
78 | #endif /* _ASM_IRQ_H */ |
| 79 | #endif /* __KERNEL__ */ |