xref: /illumos-gate/usr/src/uts/intel/io/vmm/io/vioapic.h (revision 32640292339b07090f10ce34d455f98711077343)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 /*
30  * This file and its contents are supplied under the terms of the
31  * Common Development and Distribution License ("CDDL"), version 1.0.
32  * You may only use this file in accordance with the terms of version
33  * 1.0 of the CDDL.
34  *
35  * A full copy of the text of the CDDL should have accompanied this
36  * source.  A copy of the CDDL is also available via the Internet at
37  * http://www.illumos.org/license/CDDL.
38  *
39  * Copyright 2014 Pluribus Networks Inc.
40  */
41 
42 #ifndef _VIOAPIC_H_
43 #define	_VIOAPIC_H_
44 
45 #define	VIOAPIC_BASE	0xFEC00000
46 #define	VIOAPIC_SIZE	4096
47 
48 struct vioapic *vioapic_init(struct vm *vm);
49 void vioapic_cleanup(struct vioapic *vioapic);
50 
51 int vioapic_assert_irq(struct vm *vm, int irq);
52 int vioapic_deassert_irq(struct vm *vm, int irq);
53 int vioapic_pulse_irq(struct vm *vm, int irq);
54 
55 int vioapic_mmio_write(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t wval,
56     int size);
57 int vioapic_mmio_read(struct vm *vm, int vcpuid, uint64_t gpa, uint64_t *rval,
58     int size);
59 
60 int vioapic_pincount(struct vm *vm);
61 void vioapic_process_eoi(struct vm *vm, int vcpuid, int vector);
62 #endif
63