| /* hardirq.h: PA-RISC hard IRQ support. |
| * |
| * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx> |
| * Copyright (C) 2013 Helge Deller <deller@gmx.de> |
| */ |
| |
| #ifndef _PARISC_HARDIRQ_H |
| #define _PARISC_HARDIRQ_H |
| |
| #include <linux/cache.h> |
| #include <linux/threads.h> |
| #include <linux/irq.h> |
| |
| #ifdef CONFIG_IRQSTACKS |
| #define __ARCH_HAS_DO_SOFTIRQ |
| #endif |
| |
| typedef struct { |
| unsigned int __softirq_pending; |
| unsigned int kernel_stack_usage; |
| unsigned int irq_stack_usage; |
| #ifdef CONFIG_SMP |
| unsigned int irq_resched_count; |
| #endif |
| unsigned int irq_unaligned_count; |
| unsigned int irq_fpassist_count; |
| unsigned int irq_tlb_count; |
| } ____cacheline_aligned irq_cpustat_t; |
| |
| DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); |
| |
| #define __ARCH_IRQ_STAT |
| #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) |
| #define inc_irq_stat(member) this_cpu_inc(irq_stat.member) |
| #define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member) |
| #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) |
| |
| #define __ARCH_SET_SOFTIRQ_PENDING |
| |
| #define set_softirq_pending(x) \ |
| this_cpu_write(irq_stat.__softirq_pending, (x)) |
| #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) |
| |
| #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq) |
| |
| #endif /* _PARISC_HARDIRQ_H */ |
