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 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 | |