/* * Copyright (c) 2006 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ /* * QEMU i82801b11 dmi-to-pci Bridge Emulation * * Copyright (c) 2009, 2010, 2011 * Isaku Yamahata <yamahata at valinux co jp> * VA Linux Systems Japan K.K. * Copyright (C) 2012 Jason Baron <jbaron@redhat.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/> */ #include "pci/pci.h" #include "ich9.h" /*****************************************************************************/ /* ICH9 DMI-to-PCI bridge */ #define I82801ba_SSVID_OFFSET 0x50 #define I82801ba_SSVID_SVID 0 #define I82801ba_SSVID_SSID 0 typedef struct I82801b11Bridge { PCIBridge br; } I82801b11Bridge; static int i82801b11_bridge_initfn(PCIDevice *d) { int rc; rc = pci_bridge_initfn(d); if (rc < 0) { return rc; } rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET, I82801ba_SSVID_SVID, I82801ba_SSVID_SSID); if (rc < 0) { goto err_bridge; } pci_config_set_prog_interface(d->config, PCI_CLASS_BRDIGE_PCI_INF_SUB); return 0; err_bridge: pci_bridge_exitfn(d); return rc; } static void i82801b11_bridge_class_init(ObjectClass *klass, void *data) { PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); k->is_bridge = 1; k->vendor_id = PCI_VENDOR_ID_INTEL; k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11; k->revision = ICH9_D2P_A2_REVISION; k->init = i82801b11_bridge_initfn; } static const TypeInfo i82801b11_bridge_info = { .name = "i82801b11-bridge", .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(I82801b11Bridge), .class_init = i82801b11_bridge_class_init, }; PCIBus *ich9_d2pbr_init(PCIBus *bus, int devfn, int sec_bus) { PCIDevice *d; PCIBridge *br; char buf[16]; DeviceState *qdev; d = pci_create_multifunction(bus, devfn, true, "i82801b11-bridge"); if (!d) { return NULL; } br = DO_UPCAST(PCIBridge, dev, d); qdev = &br->dev.qdev; snprintf(buf, sizeof(buf), "pci.%d", sec_bus); pci_bridge_map_irq(br, buf, pci_swizzle_map_irq_fn); qdev_init_nofail(qdev); return pci_bridge_get_sec_bus(br); } static void d2pbr_register(void) { type_register_static(&i82801b11_bridge_info); } type_init(d2pbr_register);