1 /*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/6.0/sys/sparc64/include/intr_machdep.h 117658 2003-07-16 00:08:43Z jmg $
27 */
28
29 #ifndef _MACHINE_INTR_MACHDEP_H_
30 #define _MACHINE_INTR_MACHDEP_H_
31
32 #define IRSR_BUSY (1 << 5)
33
34 #define PIL_MAX (1 << 4)
35 #define IV_MAX (1 << 11)
36 #define IV_NAMLEN 1024
37
38 #define IR_FREE (PIL_MAX * 2)
39
40 #define IH_SHIFT PTR_SHIFT
41 #define IQE_SHIFT 5
42 #define IV_SHIFT 5
43
44 #define PIL_LOW 1 /* stray interrupts */
45 #define PIL_ITHREAD 2 /* interrupts that use ithreads */
46 #define PIL_RENDEZVOUS 3 /* smp rendezvous ipi */
47 #define PIL_AST 4 /* ast ipi */
48 #define PIL_STOP 5 /* stop cpu ipi */
49 #define PIL_FAST 13 /* fast interrupts */
50 #define PIL_TICK 14
51
52 struct trapframe;
53
54 typedef void ih_func_t(struct trapframe *);
55 typedef void iv_func_t(void *);
56
57 struct ithd;
58
59 struct intr_request {
60 struct intr_request *ir_next;
61 iv_func_t *ir_func;
62 void *ir_arg;
63 u_int ir_vec;
64 u_int ir_pri;
65 };
66
67 struct intr_vector {
68 iv_func_t *iv_func;
69 void *iv_arg;
70 struct ithd *iv_ithd;
71 u_int iv_pri;
72 u_int iv_vec;
73 };
74
75 extern ih_func_t *intr_handlers[];
76 extern struct intr_vector intr_vectors[];
77
78 void intr_setup(int level, ih_func_t *ihf, int pri, iv_func_t *ivf,
79 void *iva);
80 void intr_init1(void);
81 void intr_init2(void);
82 int inthand_add(const char *name, int vec, void (*handler)(void *),
83 void *arg, int flags, void **cookiep);
84 int inthand_remove(int vec, void *cookie);
85
86 ih_func_t intr_fast;
87
88 #endif
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