qemu

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/*
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 * Copyright (c) 2006 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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/*
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 * QEMU i82801b11 dmi-to-pci Bridge Emulation
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 *
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 *  Copyright (c) 2009, 2010, 2011
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 *                Isaku Yamahata <yamahata at valinux co jp>
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 *                VA Linux Systems Japan K.K.
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 *  Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>
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 */
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#include "qemu/osdep.h"
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#include "hw/pci/pci_bridge.h"
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#include "migration/vmstate.h"
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#include "qemu/module.h"
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#include "hw/southbridge/ich9.h"
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/*****************************************************************************/
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/* ICH9 DMI-to-PCI bridge */
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#define I82801ba_SSVID_OFFSET   0x50
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#define I82801ba_SSVID_SVID     0
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#define I82801ba_SSVID_SSID     0
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typedef struct I82801b11Bridge {
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    /*< private >*/
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    PCIBridge parent_obj;
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    /*< public >*/
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} I82801b11Bridge;
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static void i82801b11_bridge_realize(PCIDevice *d, Error **errp)
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{
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    int rc;
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    pci_bridge_initfn(d, TYPE_PCI_BUS);
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    rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET,
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                               I82801ba_SSVID_SVID, I82801ba_SSVID_SSID,
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                               errp);
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    if (rc < 0) {
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        goto err_bridge;
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    }
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    pci_config_set_prog_interface(d->config, PCI_CLASS_BRIDGE_PCI_INF_SUB);
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    return;
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err_bridge:
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    pci_bridge_exitfn(d);
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}
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static const VMStateDescription i82801b11_bridge_dev_vmstate = {
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    .name = "i82801b11_bridge",
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    .priority = MIG_PRI_PCI_BUS,
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    .fields = (const VMStateField[]) {
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        VMSTATE_PCI_DEVICE(parent_obj, PCIBridge),
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        VMSTATE_END_OF_LIST()
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    }
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};
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static void i82801b11_bridge_class_init(ObjectClass *klass, void *data)
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{
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    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
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    DeviceClass *dc = DEVICE_CLASS(klass);
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    k->vendor_id = PCI_VENDOR_ID_INTEL;
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    k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11;
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    k->revision = ICH9_D2P_A2_REVISION;
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    k->realize = i82801b11_bridge_realize;
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    k->config_write = pci_bridge_write_config;
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    dc->vmsd = &i82801b11_bridge_dev_vmstate;
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    dc->reset = pci_bridge_reset;
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    set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
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}
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static const TypeInfo i82801b11_bridge_info = {
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    .name          = "i82801b11-bridge",
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    .parent        = TYPE_PCI_BRIDGE,
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    .instance_size = sizeof(I82801b11Bridge),
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    .class_init    = i82801b11_bridge_class_init,
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    .interfaces = (InterfaceInfo[]) {
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        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
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        { },
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    },
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};
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static void d2pbr_register(void)
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{
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    type_register_static(&i82801b11_bridge_info);
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}
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type_init(d2pbr_register);
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