1/* 2 * Copyright (c) 2014 Roger Pau Monn�� <roger.pau@citrix.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/malloc.h> 35#include <sys/module.h> 36 37#include <contrib/dev/acpica/include/acpi.h> 38#include <contrib/dev/acpica/include/accommon.h> 39 40#include <dev/acpica/acpivar.h> 41#include <dev/acpica/acpi_pcivar.h> 42 43#include <sys/pciio.h> 44#include <dev/pci/pcireg.h> 45#include <dev/pci/pcivar.h> 46#include <dev/pci/pci_private.h> 47 48#include <xen/xen-os.h> 49#include <xen/hypervisor.h> 50#include <xen/xen_pci.h> 51 52#include "pcib_if.h" 53#include "pci_if.h" 54 55static int 56xen_acpi_pci_probe(device_t dev) 57{ 58 59 if (!xen_pv_domain()) 60 return (ENXIO); 61 if (acpi_get_handle(dev) == NULL) 62 return (ENXIO); 63 64 device_set_desc(dev, "Xen ACPI PCI bus"); 65 66 return (BUS_PROBE_SPECIFIC); 67} 68 69static void 70xen_acpi_pci_child_added(device_t dev, device_t child) 71{ 72 73 acpi_pci_child_added(dev, child); 74 xen_pci_child_added_method(dev, child); 75} 76 77static device_method_t xen_acpi_pci_methods[] = { 78 /* Device interface */ 79 DEVMETHOD(device_probe, xen_acpi_pci_probe), 80 81 /* PCI interface overwrites */ 82 DEVMETHOD(pci_enable_msi, xen_pci_enable_msi_method), 83 DEVMETHOD(pci_disable_msi, xen_pci_disable_msi_method), 84 DEVMETHOD(pci_child_added, xen_acpi_pci_child_added), 85 86 DEVMETHOD_END 87}; 88 89static devclass_t pci_devclass; 90 91DECLARE_CLASS(acpi_pci_driver); 92DEFINE_CLASS_1(pci, xen_acpi_pci_driver, xen_acpi_pci_methods, 93 sizeof(struct pci_softc), acpi_pci_driver); 94DRIVER_MODULE(xen_acpi_pci, pcib, xen_acpi_pci_driver, pci_devclass, 0, 0); 95MODULE_DEPEND(xen_acpi_pci, pci, 1, 1, 1); 96MODULE_DEPEND(xen_acpi_pci, acpi, 1, 1, 1); 97MODULE_VERSION(xen_acpi_pci, 1); 98