diff options
Diffstat (limited to 'sys/arch/sparc64/include/intr.h')
| -rw-r--r-- | sys/arch/sparc64/include/intr.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/sys/arch/sparc64/include/intr.h b/sys/arch/sparc64/include/intr.h index 6a979f16b46..fd50694c938 100644 --- a/sys/arch/sparc64/include/intr.h +++ b/sys/arch/sparc64/include/intr.h @@ -1,4 +1,4 @@ -/* $OpenBSD: intr.h,v 1.5 2002/06/11 05:01:17 art Exp $ */ +/* $OpenBSD: intr.h,v 1.6 2003/06/24 21:54:39 henric Exp $ */ /* $NetBSD: intr.h,v 1.8 2001/01/14 23:50:30 thorpej Exp $ */ /*- @@ -37,6 +37,39 @@ * POSSIBILITY OF SUCH DAMAGE. */ +#ifndef _SPARC64_INTR_H_ +#define _SPARC64_INTR_H_ + +#ifndef _SPARC64_INTREG_H_ +#include <sparc64/sparc64/intreg.h> +#endif + +/* + * Interrupt handler chains. Interrupt handlers should return 0 for + * ``not me'' or 1 (``I took care of it''). intr_establish() inserts a + * handler into the list. The handler is called with its (single) + * argument, or with a pointer to a clockframe if ih_arg is NULL. + */ +struct intrhand { + int (*ih_fun)(void *); + void *ih_arg; + short ih_number; /* interrupt number */ + /* the H/W provides */ + char ih_pil; /* interrupt priority */ + volatile char ih_busy; /* handler is on list */ + struct intrhand *ih_next; /* global list */ + struct intrhand *ih_pending; /* pending list */ + volatile u_int64_t *ih_map; /* interrupt map reg */ + volatile u_int64_t *ih_clr; /* clear interrupt reg */ + u_int64_t ih_count; /* # of interrupts */ + const void *ih_bus; /* parent bus */ + char ih_name[1]; /* device name */ +}; + +extern struct intrhand *intrlev[MAXINTNUM]; + +void intr_establish(int, struct intrhand *); + /* XXX - arbitrary numbers; no interpretation is defined yet */ #define IPL_NONE 0 /* nothing */ #define IPL_SOFTINT 1 /* softint */ @@ -63,3 +96,5 @@ softintr_disestablish(void *cookie); void softintr_schedule(void *cookie); + +#endif /* _SPARC64_INTR_H_ */ |