1 /* 2 * Copyright (c) 2006 Fabrice Bellard 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 * THE SOFTWARE. 21 */ 22 /* 23 * QEMU i82801b11 dmi-to-pci Bridge Emulation 24 * 25 * Copyright (c) 2009, 2010, 2011 26 * Isaku Yamahata <yamahata at valinux co jp> 27 * VA Linux Systems Japan K.K. 28 * Copyright (C) 2012 Jason Baron <jbaron@redhat.com> 29 * 30 * This library is free software; you can redistribute it and/or 31 * modify it under the terms of the GNU Lesser General Public 32 * License as published by the Free Software Foundation; either 33 * version 2.1 of the License, or (at your option) any later version. 34 * 35 * This library is distributed in the hope that it will be useful, 36 * but WITHOUT ANY WARRANTY; without even the implied warranty of 37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 38 * Lesser General Public License for more details. 39 * 40 * You should have received a copy of the GNU Lesser General Public 41 * License along with this library; if not, see <http://www.gnu.org/licenses/> 42 */ 43 44 #include "qemu/osdep.h" 45 #include "hw/pci/pci.h" 46 #include "migration/vmstate.h" 47 #include "qemu/module.h" 48 #include "hw/i386/ich9.h" 49 50 /*****************************************************************************/ 51 /* ICH9 DMI-to-PCI bridge */ 52 #define I82801ba_SSVID_OFFSET 0x50 53 #define I82801ba_SSVID_SVID 0 54 #define I82801ba_SSVID_SSID 0 55 56 typedef struct I82801b11Bridge { 57 /*< private >*/ 58 PCIBridge parent_obj; 59 /*< public >*/ 60 } I82801b11Bridge; 61 62 static void i82801b11_bridge_realize(PCIDevice *d, Error **errp) 63 { 64 int rc; 65 66 pci_bridge_initfn(d, TYPE_PCI_BUS); 67 68 rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET, 69 I82801ba_SSVID_SVID, I82801ba_SSVID_SSID, 70 errp); 71 if (rc < 0) { 72 goto err_bridge; 73 } 74 pci_config_set_prog_interface(d->config, PCI_CLASS_BRIDGE_PCI_INF_SUB); 75 return; 76 77 err_bridge: 78 pci_bridge_exitfn(d); 79 } 80 81 static const VMStateDescription i82801b11_bridge_dev_vmstate = { 82 .name = "i82801b11_bridge", 83 .priority = MIG_PRI_PCI_BUS, 84 .fields = (VMStateField[]) { 85 VMSTATE_PCI_DEVICE(parent_obj, PCIBridge), 86 VMSTATE_END_OF_LIST() 87 } 88 }; 89 90 static void i82801b11_bridge_class_init(ObjectClass *klass, void *data) 91 { 92 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 93 DeviceClass *dc = DEVICE_CLASS(klass); 94 95 k->is_bridge = true; 96 k->vendor_id = PCI_VENDOR_ID_INTEL; 97 k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11; 98 k->revision = ICH9_D2P_A2_REVISION; 99 k->realize = i82801b11_bridge_realize; 100 k->config_write = pci_bridge_write_config; 101 dc->vmsd = &i82801b11_bridge_dev_vmstate; 102 dc->reset = pci_bridge_reset; 103 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 104 } 105 106 static const TypeInfo i82801b11_bridge_info = { 107 .name = "i82801b11-bridge", 108 .parent = TYPE_PCI_BRIDGE, 109 .instance_size = sizeof(I82801b11Bridge), 110 .class_init = i82801b11_bridge_class_init, 111 .interfaces = (InterfaceInfo[]) { 112 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 113 { }, 114 }, 115 }; 116 117 static void d2pbr_register(void) 118 { 119 type_register_static(&i82801b11_bridge_info); 120 } 121 122 type_init(d2pbr_register); 123