diff options
Diffstat (limited to 'usr/src/cmd/bhyve/pci_irq.h')
| -rw-r--r-- | usr/src/cmd/bhyve/pci_irq.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/usr/src/cmd/bhyve/pci_irq.h b/usr/src/cmd/bhyve/pci_irq.h new file mode 100644 index 0000000000..1ae56efc8f --- /dev/null +++ b/usr/src/cmd/bhyve/pci_irq.h @@ -0,0 +1,47 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2014 Hudson River Trading LLC + * Written by: John H. Baldwin <jhb@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __PCI_IRQ_H__ +#define __PCI_IRQ_H__ + +struct pci_devinst; + +void pci_irq_assert(struct pci_devinst *pi); +void pci_irq_deassert(struct pci_devinst *pi); +void pci_irq_init(struct vmctx *ctx); +void pci_irq_reserve(int irq); +void pci_irq_use(int irq); +int pirq_alloc_pin(struct pci_devinst *pi); +int pirq_irq(int pin); +uint8_t pirq_read(int pin); +void pirq_write(struct vmctx *ctx, int pin, uint8_t val); + +#endif |