dmake: do not set MAKEFLAGS=k
[unleashed/tickless.git] / include / sys / avintr.h
blob974d08cf727190c87d2f0bf43d2bddb99d4c9c43
1 /*
2 * CDDL HEADER START
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
19 * CDDL HEADER END
22 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
23 * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
26 #ifndef _SYS_AVINTR_H
27 #define _SYS_AVINTR_H
30 #include <sys/mutex.h>
31 #include <sys/dditypes.h>
32 #include <sys/ddi_intr.h>
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
39 * Period of autovector structures (add this in to get the next level).
41 #define MAXIPL 16
42 #define INT_IPL(x) (x)
43 #define AV_INT_SPURIOUS -1
45 typedef uint_t (*avfunc)(caddr_t, caddr_t);
47 struct autovec {
50 * Interrupt handler and argument to pass to it.
53 struct autovec *av_link; /* pointer to next on in chain */
54 uint_t (*av_vector)();
55 caddr_t av_intarg1;
56 caddr_t av_intarg2;
57 uint64_t *av_ticksp;
58 uint_t av_prilevel; /* priority level */
61 * Interrupt handle/id (like intrspec structure pointer) used to
62 * identify a specific instance of interrupt handler in case we
63 * have to remove the interrupt handler later.
66 void *av_intr_id;
67 dev_info_t *av_dip;
68 ushort_t av_flags; /* pending flags */
69 struct autovec *av_ipl_link; /* pointer to next on ipl chain */
72 #define AV_PENTRY_VECTMASK 0xff /* low 8 bit used for irqno */
73 #define AV_PENTRY_PEND 0x100 /* pending hardware interrupt */
74 #define AV_PENTRY_ONPROC 0x200 /* being serviced by CPU */
75 #define AV_PENTRY_LEVEL 0x8000 /* level-triggered interrupt */
77 struct av_head {
78 struct autovec *avh_link;
79 ushort_t avh_hi_pri;
80 ushort_t avh_lo_pri;
83 /* softing contains a bit field of software interrupts which are pending */
84 struct softint {
85 int st_pending;
88 #ifdef _KERNEL
90 extern kmutex_t av_lock;
91 extern ddi_softint_hdl_impl_t softlevel_hdl[];
92 extern ddi_softint_hdl_impl_t softlevel1_hdl;
93 extern int add_avintr(void *intr_id, int lvl, avfunc xxintr, char *name,
94 int vect, caddr_t arg1, caddr_t arg2, uint64_t *, dev_info_t *);
95 extern int add_nmintr(int lvl, avfunc nmintr, char *name, caddr_t arg);
96 extern int add_avsoftintr(void *intr_id, int lvl, avfunc xxintr,
97 char *name, caddr_t arg1, caddr_t arg2);
98 extern int rem_avsoftintr(void *intr_id, int lvl, avfunc xxintr);
99 extern int av_softint_movepri(void *intr_id, int old_lvl);
100 extern void update_avsoftintr_args(void *intr_id, int lvl, caddr_t arg2);
101 extern void rem_avintr(void *intr_id, int lvl, avfunc xxintr, int vect);
102 extern void wait_till_seen(int ipl);
103 extern uint_t softlevel1(caddr_t, caddr_t);
105 #endif /* _KERNEL */
107 #ifdef __cplusplus
109 #endif
111 #endif /* _SYS_AVINTR_H */