xref: /linux/arch/arm64/include/asm/hardirq.h (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
1 /*
2  * Copyright (C) 2012 ARM Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 #ifndef __ASM_HARDIRQ_H
17 #define __ASM_HARDIRQ_H
18 
19 #include <linux/cache.h>
20 #include <linux/threads.h>
21 #include <asm/irq.h>
22 
23 #define NR_IPI	7
24 
25 typedef struct {
26 	unsigned int __softirq_pending;
27 	unsigned int ipi_irqs[NR_IPI];
28 } ____cacheline_aligned irq_cpustat_t;
29 
30 #include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
31 
32 #define __inc_irq_stat(cpu, member)	__IRQ_STAT(cpu, member)++
33 #define __get_irq_stat(cpu, member)	__IRQ_STAT(cpu, member)
34 
35 u64 smp_irq_stat_cpu(unsigned int cpu);
36 #define arch_irq_stat_cpu	smp_irq_stat_cpu
37 
38 #define __ARCH_IRQ_EXIT_IRQS_DISABLED	1
39 
40 static inline void ack_bad_irq(unsigned int irq)
41 {
42 	extern unsigned long irq_err_count;
43 	irq_err_count++;
44 }
45 
46 #endif /* __ASM_HARDIRQ_H */
47