intr.h revision 204425 
1/*-
2 * Copyright (c) 2007-2010 Marcel Moolenaar
3 * Copyright (c) 1998 Doug Rabson
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/ia64/include/intr.h 204425 2010-02-27 18:55:43Z marcel $
28 */
29
30#ifndef _MACHINE_INTR_H_
31#define	_MACHINE_INTR_H_
32
33struct sapic;
34
35/*
36 * Layout of the Processor Interrupt Block.
37 */
38struct ia64_pib
39{
40	uint64_t	ib_ipi[65536][2];	/* 64K-way IPIs (1MB area). */
41	uint8_t		_rsvd1[0xe0000];
42	uint8_t		ib_inta;		/* Generate INTA cycle. */
43	uint8_t		_rsvd2[7];
44	uint8_t		ib_xtp;			/* External Task Priority. */
45	uint8_t		_rsvd3[7];
46	uint8_t		_rsvd4[0x1fff0];
47};
48
49extern struct ia64_pib *ia64_pib;
50
51int	ia64_setup_intr(const char *, int, driver_filter_t, driver_intr_t,
52	    void *, enum intr_type, void **);
53int	ia64_teardown_intr(void *);
54
55int	sapic_config_intr(u_int, enum intr_trigger, enum intr_polarity);
56struct sapic *sapic_create(u_int, u_int, uint64_t);
57int	sapic_enable(struct sapic *, u_int, u_int);
58void	sapic_eoi(struct sapic *, u_int);
59struct sapic *sapic_lookup(u_int, u_int *);
60void	sapic_mask(struct sapic *, u_int);
61void	sapic_unmask(struct sapic *, u_int);
62
63#ifdef DDB
64void	sapic_print(struct sapic *, u_int);
65#endif
66
67#endif /* !_MACHINE_INTR_H_ */
68