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1b4496d043
This makes factual interrupt routing match one shipped with UEFI firmware. With old firmware this make legacy interrupts work reliable for functions 0 of PCI slots 3-6. Updated UEFI image fixes problem completely.
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*-
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* Copyright (c) 2014 Hudson River Trading LLC
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* Written by: John H. Baldwin <jhb@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __PCI_IRQ_H__
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#define __PCI_IRQ_H__
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struct pci_devinst;
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void pci_irq_assert(struct pci_devinst *pi);
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void pci_irq_deassert(struct pci_devinst *pi);
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void pci_irq_init(struct vmctx *ctx);
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void pci_irq_reserve(int irq);
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void pci_irq_use(int irq);
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int pirq_alloc_pin(struct pci_devinst *pi);
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int pirq_irq(int pin);
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uint8_t pirq_read(int pin);
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void pirq_write(struct vmctx *ctx, int pin, uint8_t val);
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#endif
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