1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
5 * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef _VIOAPIC_H_
33#define	_VIOAPIC_H_
34
35#define	VIOAPIC_BASE	0xFEC00000
36#define	VIOAPIC_SIZE	4096
37
38struct vioapic *vioapic_init(struct vm *vm);
39void	vioapic_cleanup(struct vioapic *vioapic);
40
41int	vioapic_assert_irq(struct vm *vm, int irq);
42int	vioapic_deassert_irq(struct vm *vm, int irq);
43int	vioapic_pulse_irq(struct vm *vm, int irq);
44
45int	vioapic_mmio_write(void *vm, int vcpuid, uint64_t gpa,
46	    uint64_t wval, int size, void *arg);
47int	vioapic_mmio_read(void *vm, int vcpuid, uint64_t gpa,
48	    uint64_t *rval, int size, void *arg);
49
50int	vioapic_pincount(struct vm *vm);
51void	vioapic_process_eoi(struct vm *vm, int vcpuid, int vector);
52#endif
53