projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1394f032 BW |
1 | #ifndef __BFIN_HARDIRQ_H |
| 2 | #define __BFIN_HARDIRQ_H | |
| 3 | ||
| 4 | #include <linux/cache.h> | |
| 5 | #include <linux/threads.h> | |
| 6 | #include <asm/irq.h> | |
| 7 | ||
| 8 | typedef struct { | |
| 9 | unsigned int __softirq_pending; | |
| 10 | unsigned int __syscall_count; | |
| 11 | struct task_struct *__ksoftirqd_task; | |
| 12 | } ____cacheline_aligned irq_cpustat_t; | |
| 13 | ||
| 14 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | |
| 15 | ||
| 16 | /* | |
| 17 | * We put the hardirq and softirq counter into the preemption | |
| 18 | * counter. The bitmask has the following meaning: | |
| 19 | * | |
| 20 | * - bits 0-7 are the preemption count (max preemption depth: 256) | |
| 21 | * - bits 8-15 are the softirq count (max # of softirqs: 256) | |
| 22 | * - bits 16-23 are the hardirq count (max # of hardirqs: 256) | |
| 23 | * | |
| 24 | * - ( bit 26 is the PREEMPT_ACTIVE flag. ) | |
| 25 | * | |
| 26 | * PREEMPT_MASK: 0x000000ff | |
| 27 | * HARDIRQ_MASK: 0x0000ff00 | |
| 28 | * SOFTIRQ_MASK: 0x00ff0000 | |
| 29 | */ | |
| 30 | ||
| 34e0fc89 MH |
31 | #if NR_IRQS > 256 |
| 32 | #define HARDIRQ_BITS 9 | |
| 33 | #else | |
| 1394f032 | 34 | #define HARDIRQ_BITS 8 |
| 34e0fc89 | 35 | #endif |
| 1394f032 BW |
36 | |
| 37 | #ifdef NR_IRQS | |
| 38 | # if (1 << HARDIRQ_BITS) < NR_IRQS | |
| 39 | # error HARDIRQ_BITS is too low! | |
| 40 | # endif | |
| 41 | #endif | |
| 42 | ||
| 43 | #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 | |
| 44 | ||
| 45 | #endif |