80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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* Copyright (c) 2014 Roger Pau Monné <roger.pau@citrix.com>
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/pciio.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pci_private.h>
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#include <xen/xen-os.h>
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#include <xen/hypervisor.h>
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#include <xen/xen_pci.h>
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#include "pcib_if.h"
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#include "pci_if.h"
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static int
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xen_pci_probe(device_t dev)
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{
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if (!xen_pv_domain())
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return (ENXIO);
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device_set_desc(dev, "Xen PCI bus");
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return (BUS_PROBE_DEFAULT);
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}
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static device_method_t xen_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, xen_pci_probe),
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/* PCI interface overwrites */
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DEVMETHOD(pci_enable_msi, xen_pci_enable_msi_method),
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DEVMETHOD(pci_disable_msi, xen_pci_disable_msi_method),
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DEVMETHOD(pci_child_added, xen_pci_child_added_method),
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DEVMETHOD_END
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};
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static devclass_t pci_devclass;
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DEFINE_CLASS_1(pci, xen_pci_driver, xen_pci_methods, sizeof(struct pci_softc),
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pci_driver);
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DRIVER_MODULE(xen_pci, pcib, xen_pci_driver, pci_devclass, 0, 0);
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MODULE_DEPEND(xen_pci, pci, 1, 1, 1);
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MODULE_VERSION(xen_pci, 1);
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