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 #endif 26 unsigned int irq_unaligned_count; 27 unsigned int irq_fpassist_count; 28 unsigned int irq_tlb_count; 29 } ____cacheline_aligned irq_cpustat_t; 30 31 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); 32 33 #define __ARCH_IRQ_STAT 34 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) 35 #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) 36 #define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member) 37 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) 38 39 #define __ARCH_SET_SOFTIRQ_PENDING 40 41 #define set_softirq_pending(x) \ 42 this_cpu_write(irq_stat.__softirq_pending, (x)) 43 #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) 44 45 #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq) 46 47 #endif /* _PARISC_HARDIRQ_H */ 48