2 * Copyright (c) 2001 Jake Burkholder.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _MACHINE_INTR_MACHDEP_H_
30 #define _MACHINE_INTR_MACHDEP_H_
32 #define IRSR_BUSY (1 << 5)
34 #define PIL_MAX (1 << 4)
35 #define IV_MAX (1 << 11)
36 #define IV_NAMLEN 1024
38 #define IR_FREE (PIL_MAX * 2)
40 #define IH_SHIFT PTR_SHIFT
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 */
56 typedef void ih_func_t(struct trapframe *);
57 typedef void iv_func_t(void *);
62 struct intr_request *ir_next;
72 struct intr_event *iv_event;
77 extern ih_func_t *intr_handlers[];
78 extern struct intr_vector intr_vectors[];
80 void intr_setup(int level, ih_func_t *ihf, int pri, iv_func_t *ivf,
82 void intr_init1(void);
83 void intr_init2(void);
84 int inthand_add(const char *name, int vec, int (*filt)(void *),
85 void (*handler)(void *), void *arg, int flags, void **cookiep);
86 int inthand_remove(int vec, void *cookie);
92 #endif /* !_MACHINE_INTR_MACHDEP_H_ */