| 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_bridge.h" |
| 46 | #include "migration/vmstate.h" |
| 47 | #include "qemu/module.h" |
| 48 | #include "hw/southbridge/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 = (const 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, const void *data) |
| 91 | { |
| 92 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
| 93 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 94 | |
| 95 | k->vendor_id = PCI_VENDOR_ID_INTEL; |
| 96 | k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11; |
| 97 | k->revision = ICH9_D2P_A2_REVISION; |
| 98 | k->realize = i82801b11_bridge_realize; |
| 99 | k->config_write = pci_bridge_write_config; |
| 100 | dc->vmsd = &i82801b11_bridge_dev_vmstate; |
| 101 | device_class_set_legacy_reset(dc, pci_bridge_reset); |
| 102 | set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); |
| 103 | } |
| 104 | |
| 105 | static const TypeInfo i82801b11_bridge_info = { |
| 106 | .name = "i82801b11-bridge", |
| 107 | .parent = TYPE_PCI_BRIDGE, |
| 108 | .instance_size = sizeof(I82801b11Bridge), |
| 109 | .class_init = i82801b11_bridge_class_init, |
| 110 | .interfaces = (const InterfaceInfo[]) { |
| 111 | { INTERFACE_CONVENTIONAL_PCI_DEVICE }, |
| 112 | { }, |
| 113 | }, |
| 114 | }; |
| 115 | |
| 116 | static void d2pbr_register(void) |
| 117 | { |
| 118 | type_register_static(&i82801b11_bridge_info); |
| 119 | } |
| 120 | |
| 121 | type_init(d2pbr_register); |