vatpic.h revision 276429 
1/*-
2 * Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
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 ``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: stable/10/sys/amd64/vmm/io/vatpic.h 276429 2014-12-30 22:22:46Z neel $
27 */
28
29#ifndef _VATPIC_H_
30#define	_VATPIC_H_
31
32#include <isa/isareg.h>
33
34#define	ICU_IMR_OFFSET	1
35
36#define	IO_ELCR1	0x4d0
37#define	IO_ELCR2	0x4d1
38
39struct vatpic *vatpic_init(struct vm *vm);
40void vatpic_cleanup(struct vatpic *vatpic);
41
42int vatpic_master_handler(struct vm *vm, int vcpuid, bool in, int port,
43    int bytes, uint32_t *eax);
44int vatpic_slave_handler(struct vm *vm, int vcpuid, bool in, int port,
45    int bytes, uint32_t *eax);
46int vatpic_elc_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes,
47    uint32_t *eax);
48
49int vatpic_assert_irq(struct vm *vm, int irq);
50int vatpic_deassert_irq(struct vm *vm, int irq);
51int vatpic_pulse_irq(struct vm *vm, int irq);
52int vatpic_set_irq_trigger(struct vm *vm, int irq, enum vm_intr_trigger trigger);
53
54void vatpic_pending_intr(struct vm *vm, int *vecptr);
55void vatpic_intr_accepted(struct vm *vm, int vector);
56
57#endif	/* _VATPIC_H_ */
58