Annotation of sys/arch/sparc64/include/intr.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: intr.h,v 1.8 2004/06/28 01:47:41 aaron Exp $ */
! 2: /* $NetBSD: intr.h,v 1.8 2001/01/14 23:50:30 thorpej Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Paul Kranenburg.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #ifndef _SPARC64_INTR_H_
! 41: #define _SPARC64_INTR_H_
! 42:
! 43: #ifndef _SPARC64_INTREG_H_
! 44: #include <sparc64/sparc64/intreg.h>
! 45: #endif
! 46:
! 47: #include <sys/evcount.h>
! 48:
! 49: /*
! 50: * Interrupt handler chains. Interrupt handlers should return 0 for
! 51: * ``not me'' or 1 (``I took care of it''). intr_establish() inserts a
! 52: * handler into the list. The handler is called with its (single)
! 53: * argument, or with a pointer to a clockframe if ih_arg is NULL.
! 54: */
! 55: struct intrhand {
! 56: int (*ih_fun)(void *);
! 57: void *ih_arg;
! 58: short ih_number; /* interrupt number */
! 59: /* the H/W provides */
! 60: char ih_pil; /* interrupt priority */
! 61: volatile char ih_busy; /* handler is on list */
! 62: struct intrhand *ih_next; /* global list */
! 63: struct intrhand *ih_pending; /* pending list */
! 64: volatile u_int64_t *ih_map; /* interrupt map reg */
! 65: volatile u_int64_t *ih_clr; /* clear interrupt reg */
! 66: struct evcount ih_count; /* # of interrupts */
! 67: const void *ih_bus; /* parent bus */
! 68: char ih_name[32]; /* device name */
! 69: };
! 70:
! 71: extern struct intrhand *intrlev[MAXINTNUM];
! 72:
! 73: void intr_establish(int, struct intrhand *);
! 74:
! 75: /* XXX - arbitrary numbers; no interpretation is defined yet */
! 76: #define IPL_NONE 0 /* nothing */
! 77: #define IPL_SOFTINT 1 /* softint */
! 78: #define IPL_SOFTCLOCK 1 /* timeouts */
! 79: #define IPL_SOFTNET 1 /* protocol stack */
! 80: #define IPL_BIO PIL_BIO /* block I/O */
! 81: #define IPL_NET PIL_NET /* network */
! 82: #define IPL_SOFTSERIAL 4 /* serial */
! 83: #define IPL_TTY PIL_TTY /* terminal */
! 84: #define IPL_VM PIL_VM /* memory allocation */
! 85: #define IPL_AUDIO PIL_AUD /* audio */
! 86: #define IPL_CLOCK PIL_CLOCK /* clock */
! 87: #define IPL_SERIAL PIL_SER /* serial */
! 88: #define IPL_SCHED PIL_SCHED /* scheduler */
! 89: #define IPL_LOCK PIL_LOCK /* locks */
! 90: #define IPL_STATCLOCK PIL_STATCLOCK /* statclock */
! 91: #define IPL_HIGH PIL_HIGH /* everything */
! 92:
! 93: void *
! 94: softintr_establish(int level, void (*fun)(void *), void *arg);
! 95:
! 96: void
! 97: softintr_disestablish(void *cookie);
! 98:
! 99: void
! 100: softintr_schedule(void *cookie);
! 101:
! 102: #endif /* _SPARC64_INTR_H_ */
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