diff options
Diffstat (limited to 'sys/arch/alpha/include/intr.h')
| -rw-r--r-- | sys/arch/alpha/include/intr.h | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/sys/arch/alpha/include/intr.h b/sys/arch/alpha/include/intr.h index e638077e95d..6100a7ff0c1 100644 --- a/sys/arch/alpha/include/intr.h +++ b/sys/arch/alpha/include/intr.h @@ -1,5 +1,5 @@ -/* $OpenBSD: intr.h,v 1.3 1996/10/30 22:39:09 niklas Exp $ */ -/* $NetBSD: intr.h,v 1.2 1996/07/09 00:33:25 cgd Exp $ */ +/* $OpenBSD: intr.h,v 1.4 1997/01/24 19:57:12 niklas Exp $ */ +/* $NetBSD: intr.h,v 1.4 1996/12/03 17:34:47 cgd Exp $ */ /* * Copyright (c) 1996 Carnegie-Mellon University. @@ -31,6 +31,8 @@ #ifndef _ALPHA_INTR_H_ #define _ALPHA_INTR_H_ +#include <sys/queue.h> + #define IPL_NONE 0 /* disable only this interrupt */ #define IPL_BIO 1 /* disable block I/O interrupts */ #define IPL_NET 2 /* disable network interrupts */ @@ -38,6 +40,7 @@ #define IPL_CLOCK 4 /* disable clock interrupts */ #define IPL_HIGH 5 /* disable all interrupts */ +#define IST_UNUSABLE -1 /* interrupt cannot be used */ #define IST_NONE 0 /* none (dummy) */ #define IST_PULSE 1 /* pulsed */ #define IST_EDGE 2 /* edge-triggered */ @@ -64,8 +67,44 @@ extern u_int64_t ssir; #define SIR_NET 0x1 #define SIR_CLOCK 0x2 -#define siroff(x) ssir &= ~(x) #define setsoftnet() ssir |= SIR_NET #define setsoftclock() ssir |= SIR_CLOCK +/* + * Alpha shared-interrupt-line common code. + */ + +struct alpha_shared_intrhand { + TAILQ_ENTRY(alpha_shared_intrhand) + ih_q; + int (*ih_fn) __P((void *)); + void *ih_arg; + int ih_level; +}; + +struct alpha_shared_intr { + TAILQ_HEAD(,alpha_shared_intrhand) + intr_q; + int intr_sharetype; + int intr_dfltsharetype; + int intr_nstrays; + int intr_maxstrays; +}; + +struct alpha_shared_intr *alpha_shared_intr_alloc __P((unsigned int)); +int alpha_shared_intr_dispatch __P((struct alpha_shared_intr *, + unsigned int)); +void *alpha_shared_intr_establish __P((struct alpha_shared_intr *, + unsigned int, int, int, int (*)(void *), void *, const char *)); +int alpha_shared_intr_get_sharetype __P((struct alpha_shared_intr *, + unsigned int)); +int alpha_shared_intr_isactive __P((struct alpha_shared_intr *, + unsigned int)); +void alpha_shared_intr_set_dfltsharetype __P((struct alpha_shared_intr *, + unsigned int, int)); +void alpha_shared_intr_set_maxstrays __P((struct alpha_shared_intr *, + unsigned int, int)); +void alpha_shared_intr_stray __P((struct alpha_shared_intr *, unsigned int, + const char *)); + #endif |