xref: /illumos-gate/usr/src/cmd/bhyve/pci_irq.h (revision 4c87aefe)
1bf21cd93STycho Nightingale /*-
2*4c87aefeSPatrick Mooney  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*4c87aefeSPatrick Mooney  *
4*4c87aefeSPatrick Mooney  * Copyright (c) 2014 Hudson River Trading LLC
5bf21cd93STycho Nightingale  * Written by: John H. Baldwin <jhb@FreeBSD.org>
6bf21cd93STycho Nightingale  * All rights reserved.
7bf21cd93STycho Nightingale  *
8bf21cd93STycho Nightingale  * Redistribution and use in source and binary forms, with or without
9bf21cd93STycho Nightingale  * modification, are permitted provided that the following conditions
10bf21cd93STycho Nightingale  * are met:
11bf21cd93STycho Nightingale  * 1. Redistributions of source code must retain the above copyright
12bf21cd93STycho Nightingale  *    notice, this list of conditions and the following disclaimer.
13bf21cd93STycho Nightingale  * 2. Redistributions in binary form must reproduce the above copyright
14bf21cd93STycho Nightingale  *    notice, this list of conditions and the following disclaimer in the
15bf21cd93STycho Nightingale  *    documentation and/or other materials provided with the distribution.
16bf21cd93STycho Nightingale  *
17bf21cd93STycho Nightingale  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18bf21cd93STycho Nightingale  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19bf21cd93STycho Nightingale  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20bf21cd93STycho Nightingale  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21bf21cd93STycho Nightingale  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22bf21cd93STycho Nightingale  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23bf21cd93STycho Nightingale  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24bf21cd93STycho Nightingale  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25bf21cd93STycho Nightingale  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26bf21cd93STycho Nightingale  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27bf21cd93STycho Nightingale  * SUCH DAMAGE.
28bf21cd93STycho Nightingale  *
29*4c87aefeSPatrick Mooney  * $FreeBSD$
30bf21cd93STycho Nightingale  */
31bf21cd93STycho Nightingale 
32bf21cd93STycho Nightingale #ifndef __PCI_IRQ_H__
33bf21cd93STycho Nightingale #define	__PCI_IRQ_H__
34bf21cd93STycho Nightingale 
35bf21cd93STycho Nightingale struct pci_devinst;
36bf21cd93STycho Nightingale 
37bf21cd93STycho Nightingale void	pci_irq_assert(struct pci_devinst *pi);
38bf21cd93STycho Nightingale void	pci_irq_deassert(struct pci_devinst *pi);
39bf21cd93STycho Nightingale void	pci_irq_init(struct vmctx *ctx);
40bf21cd93STycho Nightingale void	pci_irq_reserve(int irq);
41bf21cd93STycho Nightingale void	pci_irq_use(int irq);
42*4c87aefeSPatrick Mooney int	pirq_alloc_pin(struct pci_devinst *pi);
43bf21cd93STycho Nightingale int	pirq_irq(int pin);
44bf21cd93STycho Nightingale uint8_t	pirq_read(int pin);
45bf21cd93STycho Nightingale void	pirq_write(struct vmctx *ctx, int pin, uint8_t val);
46bf21cd93STycho Nightingale 
47bf21cd93STycho Nightingale #endif
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