xref: /illumos-gate/usr/src/cmd/bhyve/pci_irq.h (revision bf21cd93)
1*bf21cd93STycho Nightingale /*-
2*bf21cd93STycho Nightingale  * Copyright (c) 2014 Advanced Computing Technologies LLC
3*bf21cd93STycho Nightingale  * Written by: John H. Baldwin <jhb@FreeBSD.org>
4*bf21cd93STycho Nightingale  * All rights reserved.
5*bf21cd93STycho Nightingale  *
6*bf21cd93STycho Nightingale  * Redistribution and use in source and binary forms, with or without
7*bf21cd93STycho Nightingale  * modification, are permitted provided that the following conditions
8*bf21cd93STycho Nightingale  * are met:
9*bf21cd93STycho Nightingale  * 1. Redistributions of source code must retain the above copyright
10*bf21cd93STycho Nightingale  *    notice, this list of conditions and the following disclaimer.
11*bf21cd93STycho Nightingale  * 2. Redistributions in binary form must reproduce the above copyright
12*bf21cd93STycho Nightingale  *    notice, this list of conditions and the following disclaimer in the
13*bf21cd93STycho Nightingale  *    documentation and/or other materials provided with the distribution.
14*bf21cd93STycho Nightingale  *
15*bf21cd93STycho Nightingale  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*bf21cd93STycho Nightingale  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*bf21cd93STycho Nightingale  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*bf21cd93STycho Nightingale  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*bf21cd93STycho Nightingale  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*bf21cd93STycho Nightingale  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*bf21cd93STycho Nightingale  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*bf21cd93STycho Nightingale  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*bf21cd93STycho Nightingale  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*bf21cd93STycho Nightingale  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*bf21cd93STycho Nightingale  * SUCH DAMAGE.
26*bf21cd93STycho Nightingale  *
27*bf21cd93STycho Nightingale  * $FreeBSD: head/usr.sbin/bhyve/pci_irq.h 266125 2014-05-15 14:16:55Z jhb $
28*bf21cd93STycho Nightingale  */
29*bf21cd93STycho Nightingale 
30*bf21cd93STycho Nightingale #ifndef __PCI_IRQ_H__
31*bf21cd93STycho Nightingale #define	__PCI_IRQ_H__
32*bf21cd93STycho Nightingale 
33*bf21cd93STycho Nightingale struct pci_devinst;
34*bf21cd93STycho Nightingale 
35*bf21cd93STycho Nightingale void	pci_irq_assert(struct pci_devinst *pi);
36*bf21cd93STycho Nightingale void	pci_irq_deassert(struct pci_devinst *pi);
37*bf21cd93STycho Nightingale void	pci_irq_init(struct vmctx *ctx);
38*bf21cd93STycho Nightingale void	pci_irq_reserve(int irq);
39*bf21cd93STycho Nightingale void	pci_irq_use(int irq);
40*bf21cd93STycho Nightingale int	pirq_alloc_pin(struct vmctx *ctx);
41*bf21cd93STycho Nightingale int	pirq_irq(int pin);
42*bf21cd93STycho Nightingale uint8_t	pirq_read(int pin);
43*bf21cd93STycho Nightingale void	pirq_write(struct vmctx *ctx, int pin, uint8_t val);
44*bf21cd93STycho Nightingale 
45*bf21cd93STycho Nightingale #endif
46