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Commit | Line | Data |
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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 | 2 | #ifdef __KERNEL__ |
1b92313d PM |
3 | #ifndef _ASM_POWERPC_IRQ_H |
4 | #define _ASM_POWERPC_IRQ_H | |
5 | ||
6 | /* | |
1b92313d | 7 | */ |
1da177e4 | 8 | |
1b92313d | 9 | #include <linux/threads.h> |
0ebfff14 BH |
10 | #include <linux/list.h> |
11 | #include <linux/radix-tree.h> | |
1b92313d PM |
12 | |
13 | #include <asm/types.h> | |
60063497 | 14 | #include <linux/atomic.h> |
1da177e4 | 15 | |
1da177e4 | 16 | |
0ebfff14 | 17 | extern atomic_t ppc_n_lost_interrupts; |
1b92313d | 18 | |
0ebfff14 BH |
19 | /* This number is used when no interrupt has been assigned */ |
20 | #define NO_IRQ (0) | |
21 | ||
551b81f2 ME |
22 | /* Total number of virq in the platform */ |
23 | #define NR_IRQS CONFIG_NR_IRQS | |
1b92313d | 24 | |
7c576f4d MZ |
25 | /* Number of irqs reserved for a legacy isa controller */ |
26 | #define NR_IRQS_LEGACY 16 | |
cd015707 | 27 | |
35923f12 | 28 | extern irq_hw_number_t virq_to_hw(unsigned int virq); |
0b05ac6e | 29 | |
0ebfff14 | 30 | static __inline__ int irq_canonicalize(int irq) |
1b92313d | 31 | { |
0ebfff14 | 32 | return irq; |
1b92313d PM |
33 | } |
34 | ||
1b92313d | 35 | extern int distribute_irqs; |
1da177e4 | 36 | |
1b92313d PM |
37 | struct pt_regs; |
38 | ||
bcf0b088 KG |
39 | #if defined(CONFIG_BOOKE) || defined(CONFIG_40x) |
40 | /* | |
41 | * Per-cpu stacks for handling critical, debug and machine check | |
42 | * level interrupts. | |
43 | */ | |
a7916a1d CL |
44 | extern void *critirq_ctx[NR_CPUS]; |
45 | extern void *dbgirq_ctx[NR_CPUS]; | |
46 | extern void *mcheckirq_ctx[NR_CPUS]; | |
bcf0b088 KG |
47 | #endif |
48 | ||
1b92313d PM |
49 | /* |
50 | * Per-cpu stacks for handling hard and soft interrupts. | |
51 | */ | |
a7916a1d CL |
52 | extern void *hardirq_ctx[NR_CPUS]; |
53 | extern void *softirq_ctx[NR_CPUS]; | |
1b92313d | 54 | |
98694166 | 55 | void __do_IRQ(struct pt_regs *regs); |
23a6d8b9 | 56 | extern void __init init_IRQ(void); |
0366a1c7 | 57 | extern void __do_irq(struct pt_regs *regs); |
f2783c15 | 58 | |
6ec36b58 SY |
59 | int irq_choose_cpu(const struct cpumask *mask); |
60 | ||
1da177e4 LT |
61 | #endif /* _ASM_IRQ_H */ |
62 | #endif /* __KERNEL__ */ |