1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* hardirq.h: PA-RISC hard IRQ support.
3  *
4  * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
5  * Copyright (C) 2013 Helge Deller <deller@gmx.de>
6  */
7 
8 #ifndef _PARISC_HARDIRQ_H
9 #define _PARISC_HARDIRQ_H
10 
11 #include <linux/cache.h>
12 #include <linux/threads.h>
13 #include <linux/irq.h>
14 
15 #ifdef CONFIG_IRQSTACKS
16 #define __ARCH_HAS_DO_SOFTIRQ
17 #endif
18 
19 typedef struct {
20 	unsigned int __softirq_pending;
21 	unsigned int kernel_stack_usage;
22 	unsigned int irq_stack_usage;
23 #ifdef CONFIG_SMP
24 	unsigned int irq_resched_count;
25 	unsigned int irq_call_count;
26 #endif
27 	unsigned int irq_unaligned_count;
28 	unsigned int irq_fpassist_count;
29 	unsigned int irq_tlb_count;
30 } ____cacheline_aligned irq_cpustat_t;
31 
32 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
33 
34 #define __ARCH_IRQ_STAT
35 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
36 #define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
37 #define __inc_irq_stat(member)	__this_cpu_inc(irq_stat.member)
38 #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq)
39 
40 #endif /* _PARISC_HARDIRQ_H */
41