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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/powerpc/include/asm/irq.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/irq.h')
| -rw-r--r-- | arch/powerpc/include/asm/irq.h | 75 |
1 files changed, 75 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..ee39ce56b --- /dev/null +++ b/arch/powerpc/include/asm/irq.h @@ -0,0 +1,75 @@ +#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 __init init_IRQ(void); +extern void __do_irq(struct pt_regs *regs); + +int irq_choose_cpu(const struct cpumask *mask); + +#endif /* _ASM_IRQ_H */ +#endif /* __KERNEL__ */ |