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1/* hardirq.h: PA-RISC hard IRQ support.
2 *
3 * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
4 * Copyright (C) 2013 Helge Deller <deller@gmx.de>
5 */
6
7#ifndef _PARISC_HARDIRQ_H
8#define _PARISC_HARDIRQ_H
9
10#include <linux/cache.h>
11#include <linux/threads.h>
12#include <linux/irq.h>
13
14#ifdef CONFIG_IRQSTACKS
15#define __ARCH_HAS_DO_SOFTIRQ
16#endif
17
18typedef struct {
19 unsigned int __softirq_pending;
20 unsigned int kernel_stack_usage;
21 unsigned int irq_stack_usage;
22#ifdef CONFIG_SMP
23 unsigned int irq_resched_count;
24#endif
25 unsigned int irq_unaligned_count;
26 unsigned int irq_fpassist_count;
27 unsigned int irq_tlb_count;
28} ____cacheline_aligned irq_cpustat_t;
29
30DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
31
32#define __ARCH_IRQ_STAT
33#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
34#define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
35#define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member)
36#define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
37
38#define __ARCH_SET_SOFTIRQ_PENDING
39
40#define set_softirq_pending(x) \
41 this_cpu_write(irq_stat.__softirq_pending, (x))
42#define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x))
43
44#define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq)
45
46#endif /* _PARISC_HARDIRQ_H */