| #ifndef _ALPHA_HARDIRQ_H | |
| #define _ALPHA_HARDIRQ_H | |
| #include <linux/threads.h> | |
| #include <linux/cache.h> | |
| /* entry.S is sensitive to the offsets of these fields */ | |
| typedef struct { | |
| unsigned long __softirq_pending; | |
| } ____cacheline_aligned irq_cpustat_t; | |
| #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
| void ack_bad_irq(unsigned int irq); | |
| #define HARDIRQ_BITS 12 | |
| /* | |
| * The hardirq mask has to be large enough to have | |
| * space for potentially nestable IRQ sources in the system | |
| * to nest on a single CPU. On Alpha, interrupts are masked at the CPU | |
| * by IPL as well as at the system level. We only have 8 IPLs (UNIX PALcode) | |
| * so we really only have 8 nestable IRQs, but allow some overhead | |
| */ | |
| #if (1 << HARDIRQ_BITS) < 16 | |
| #error HARDIRQ_BITS is too low! | |
| #endif | |
| #endif /* _ALPHA_HARDIRQ_H */ |