/*- * Copyright (c) 2014 Ruslan Bukin * Copyright (c) 2014 The FreeBSD Foundation * All rights reserved. * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) * ("CTSRD"), as part of the DARPA CRASH research programme. * * Portions of this software were developed by Andrew Turner * under sponsorship from the FreeBSD Foundation. * * 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. */ /* * VirtIO MMIO interface. * This driver is heavily based on VirtIO PCI interface driver. */ #include "opt_acpi.h" #include #include #include #include #include #include #include #include #include static int vtmmio_acpi_probe(device_t); static device_method_t vtmmio_acpi_methods[] = { /* Device interface. */ DEVMETHOD(device_probe, vtmmio_acpi_probe), DEVMETHOD_END }; DEFINE_CLASS_1(virtio_mmio, vtmmio_acpi_driver, vtmmio_acpi_methods, sizeof(struct vtmmio_softc), vtmmio_driver); static devclass_t vtmmio_acpi_devclass; DRIVER_MODULE(virtio_mmio, acpi, vtmmio_acpi_driver, vtmmio_acpi_devclass, 0,0); MODULE_DEPEND(virtio_mmio, acpi, 1, 1, 1); static int vtmmio_acpi_probe(device_t dev) { ACPI_HANDLE h; if ((h = acpi_get_handle(dev)) == NULL) return (ENXIO); if (!acpi_MatchHid(h, "LNRO0005")) return (ENXIO); return (vtmmio_probe(dev)); }