1 files changed, 130 insertions, 0 deletions
diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
new file mode 100644
index 00000000..93d6f992
--- /dev/null
+++ b/hw/char/serial-pci.c
@@ -0,0 +1,130 @@
+/*
+ * QEMU 16550A UART emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ * Copyright (c) 2008 Citrix Systems, Inc.
+ *
+ * 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.
+ */
+
+/* see docs/specs/pci-serial.txt */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "hw/char/serial.h"
+#include "hw/irq.h"
+#include "hw/pci/pci.h"
+#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
+#include "qom/object.h"
+
+struct PCISerialState {
+    PCIDevice dev;
+    SerialState state;
+    uint8_t prog_if;
+};
+
+#define TYPE_PCI_SERIAL "pci-serial"
+OBJECT_DECLARE_SIMPLE_TYPE(PCISerialState, PCI_SERIAL)
+
+static void serial_pci_realize(PCIDevice *dev, Error **errp)
+{
+    PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
+    SerialState *s = &pci->state;
+
+    if (!qdev_realize(DEVICE(s), NULL, errp)) {
+        return;
+    }
+
+    pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
+    pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
+    s->irq = pci_allocate_irq(&pci->dev);
+
+    memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8);
+    pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
+}
+
+static void serial_pci_exit(PCIDevice *dev)
+{
+    PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
+    SerialState *s = &pci->state;
+
+    qdev_unrealize(DEVICE(s));
+    qemu_free_irq(s->irq);
+}
+
+static const VMStateDescription vmstate_pci_serial = {
+    .name = "pci-serial",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_PCI_DEVICE(dev, PCISerialState),
+        VMSTATE_STRUCT(state, PCISerialState, 0, vmstate_serial, SerialState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static Property serial_pci_properties[] = {
+    DEFINE_PROP_UINT8("prog_if",  PCISerialState, prog_if, 0x02),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void serial_pci_class_initfn(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
+    pc->realize = serial_pci_realize;
+    pc->exit = serial_pci_exit;
+    pc->vendor_id = PCI_VENDOR_ID_REDHAT;
+    pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL;
+    pc->revision = 1;
+    pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
+    dc->vmsd = &vmstate_pci_serial;
+    device_class_set_props(dc, serial_pci_properties);
+    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+}
+
+static void serial_pci_init(Object *o)
+{
+    PCISerialState *ps = PCI_SERIAL(o);
+
+    object_initialize_child(o, "serial", &ps->state, TYPE_SERIAL);
+
+    qdev_alias_all_properties(DEVICE(&ps->state), o);
+}
+
+static const TypeInfo serial_pci_info = {
+    .name          = TYPE_PCI_SERIAL,
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(PCISerialState),
+    .instance_init = serial_pci_init,
+    .class_init    = serial_pci_class_initfn,
+    .interfaces = (InterfaceInfo[]) {
+        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+        { },
+    },
+};
+
+static void serial_pci_register_types(void)
+{
+    type_register_static(&serial_pci_info);
+}
+
+type_init(serial_pci_register_types)