xref: /illumos-gate/usr/src/uts/intel/io/vmm/io/vioapic.h (revision 3580e26c24814e4d892b1eae539b8761388f79f1)
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  * This file and its contents are supplied under the terms of the
33  * Common Development and Distribution License ("CDDL"), version 1.0.
34  * You may only use this file in accordance with the terms of version
35  * 1.0 of the CDDL.
36  *
37  * A full copy of the text of the CDDL should have accompanied this
38  * source.  A copy of the CDDL is also available via the Internet at
39  * http://www.illumos.org/license/CDDL.
40  *
41  * Copyright 2014 Pluribus Networks Inc.
42  */
43 
44 #ifndef _VIOAPIC_H_
45 #define	_VIOAPIC_H_
46 
47 #define	VIOAPIC_BASE	0xFEC00000
48 #define	VIOAPIC_SIZE	4096
49 
50 struct vioapic *vioapic_init(struct vm *vm);
51 void vioapic_cleanup(struct vioapic *vioapic);
52 
53 int vioapic_assert_irq(struct vm *vm, int irq);
54 int vioapic_deassert_irq(struct vm *vm, int irq);
55 int vioapic_pulse_irq(struct vm *vm, int irq);
56 
57 int vioapic_mmio_write(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t wval,
58     int size);
59 int vioapic_mmio_read(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t *rval,
60     int size);
61 
62 int vioapic_pincount(struct vm *vm);
63 void vioapic_process_eoi(struct vm *vm, int vcpuid, int vector);
64 #endif
65