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-rw-r--r--hw/pci-bridge/i82801b11.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c
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+++ b/hw/pci-bridge/i82801b11.c
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+/*
+ * 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 2.1 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 "qemu/osdep.h"
+#include "hw/pci/pci.h"
+#include "migration/vmstate.h"
+#include "qemu/module.h"
+#include "hw/i386/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 {
+ /*< private >*/
+ PCIBridge parent_obj;
+ /*< public >*/
+} I82801b11Bridge;
+
+static void i82801b11_bridge_realize(PCIDevice *d, Error **errp)
+{
+ int rc;
+
+ pci_bridge_initfn(d, TYPE_PCI_BUS);
+
+ rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET,
+ I82801ba_SSVID_SVID, I82801ba_SSVID_SSID,
+ errp);
+ if (rc < 0) {
+ goto err_bridge;
+ }
+ pci_config_set_prog_interface(d->config, PCI_CLASS_BRIDGE_PCI_INF_SUB);
+ return;
+
+err_bridge:
+ pci_bridge_exitfn(d);
+}
+
+static const VMStateDescription i82801b11_bridge_dev_vmstate = {
+ .name = "i82801b11_bridge",
+ .priority = MIG_PRI_PCI_BUS,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(parent_obj, PCIBridge),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void i82801b11_bridge_class_init(ObjectClass *klass, void *data)
+{
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ k->is_bridge = true;
+ k->vendor_id = PCI_VENDOR_ID_INTEL;
+ k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11;
+ k->revision = ICH9_D2P_A2_REVISION;
+ k->realize = i82801b11_bridge_realize;
+ k->config_write = pci_bridge_write_config;
+ dc->vmsd = &i82801b11_bridge_dev_vmstate;
+ dc->reset = pci_bridge_reset;
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
+}
+
+static const TypeInfo i82801b11_bridge_info = {
+ .name = "i82801b11-bridge",
+ .parent = TYPE_PCI_BRIDGE,
+ .instance_size = sizeof(I82801b11Bridge),
+ .class_init = i82801b11_bridge_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+ { },
+ },
+};
+
+static void d2pbr_register(void)
+{
+ type_register_static(&i82801b11_bridge_info);
+}
+
+type_init(d2pbr_register);