xref: /illumos-gate/usr/src/cmd/bhyve/amd64/ioapic.h (revision 5c4a5fe16715fb423db76577a6883b5bbecdbe45)
1*5c4a5fe1SAndy Fiddaman /*-
2*5c4a5fe1SAndy Fiddaman  * SPDX-License-Identifier: BSD-2-Clause
3*5c4a5fe1SAndy Fiddaman  *
4*5c4a5fe1SAndy Fiddaman  * Copyright (c) 2014 Hudson River Trading LLC
5*5c4a5fe1SAndy Fiddaman  * Written by: John H. Baldwin <jhb@FreeBSD.org>
6*5c4a5fe1SAndy Fiddaman  * All rights reserved.
7*5c4a5fe1SAndy Fiddaman  *
8*5c4a5fe1SAndy Fiddaman  * Redistribution and use in source and binary forms, with or without
9*5c4a5fe1SAndy Fiddaman  * modification, are permitted provided that the following conditions
10*5c4a5fe1SAndy Fiddaman  * are met:
11*5c4a5fe1SAndy Fiddaman  * 1. Redistributions of source code must retain the above copyright
12*5c4a5fe1SAndy Fiddaman  *    notice, this list of conditions and the following disclaimer.
13*5c4a5fe1SAndy Fiddaman  * 2. Redistributions in binary form must reproduce the above copyright
14*5c4a5fe1SAndy Fiddaman  *    notice, this list of conditions and the following disclaimer in the
15*5c4a5fe1SAndy Fiddaman  *    documentation and/or other materials provided with the distribution.
16*5c4a5fe1SAndy Fiddaman  *
17*5c4a5fe1SAndy Fiddaman  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18*5c4a5fe1SAndy Fiddaman  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*5c4a5fe1SAndy Fiddaman  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*5c4a5fe1SAndy Fiddaman  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21*5c4a5fe1SAndy Fiddaman  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*5c4a5fe1SAndy Fiddaman  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*5c4a5fe1SAndy Fiddaman  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*5c4a5fe1SAndy Fiddaman  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*5c4a5fe1SAndy Fiddaman  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*5c4a5fe1SAndy Fiddaman  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*5c4a5fe1SAndy Fiddaman  * SUCH DAMAGE.
28*5c4a5fe1SAndy Fiddaman  */
29*5c4a5fe1SAndy Fiddaman 
30*5c4a5fe1SAndy Fiddaman #ifndef _IOAPIC_H_
31*5c4a5fe1SAndy Fiddaman #define	_IOAPIC_H_
32*5c4a5fe1SAndy Fiddaman 
33*5c4a5fe1SAndy Fiddaman struct pci_devinst;
34*5c4a5fe1SAndy Fiddaman 
35*5c4a5fe1SAndy Fiddaman /*
36*5c4a5fe1SAndy Fiddaman  * Allocate a PCI IRQ from the I/O APIC.
37*5c4a5fe1SAndy Fiddaman  */
38*5c4a5fe1SAndy Fiddaman void	ioapic_init(struct vmctx *ctx);
39*5c4a5fe1SAndy Fiddaman int	ioapic_pci_alloc_irq(struct pci_devinst *pi);
40*5c4a5fe1SAndy Fiddaman 
41*5c4a5fe1SAndy Fiddaman #endif
42