Add qemu 2.4.0

[kvmfornfv.git] / qemu / hw / ipack / ipack.c

diff --git a/qemu/hw/ipack/ipack.c b/qemu/hw/ipack/ipack.c
new file mode 100644 (file)
index 0000000..59bfe28
--- /dev/null
+++ b/qemu/hw/ipack/ipack.c
@@ -0,0 +1,119 @@
+/*
+ * QEMU IndustryPack emulation
+ *
+ * Copyright (C) 2012 Igalia, S.L.
+ * Author: Alberto Garcia <agarcia@igalia.com>
+ *
+ * This code is licensed under the GNU GPL v2 or (at your option) any
+ * later version.
+ */
+
+#include "hw/ipack/ipack.h"
+
+IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot)
+{
+    BusChild *kid;
+
+    QTAILQ_FOREACH(kid, &BUS(bus)->children, sibling) {
+        DeviceState *qdev = kid->child;
+        IPackDevice *ip = IPACK_DEVICE(qdev);
+        if (ip->slot == slot) {
+            return ip;
+        }
+    }
+    return NULL;
+}
+
+void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
+                           DeviceState *parent,
+                           const char *name, uint8_t n_slots,
+                           qemu_irq_handler handler)
+{
+    qbus_create_inplace(bus, bus_size, TYPE_IPACK_BUS, parent, name);
+    bus->n_slots = n_slots;
+    bus->set_irq = handler;
+}
+
+static void ipack_device_realize(DeviceState *dev, Error **errp)
+{
+    IPackDevice *idev = IPACK_DEVICE(dev);
+    IPackBus *bus = IPACK_BUS(qdev_get_parent_bus(dev));
+    IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
+
+    if (idev->slot < 0) {
+        idev->slot = bus->free_slot;
+    }
+    if (idev->slot >= bus->n_slots) {
+        error_setg(errp, "Only %" PRIu8 " slots available.", bus->n_slots);
+        return;
+    }
+    bus->free_slot = idev->slot + 1;
+
+    idev->irq = qemu_allocate_irqs(bus->set_irq, idev, 2);
+
+    k->realize(dev, errp);
+}
+
+static void ipack_device_unrealize(DeviceState *dev, Error **errp)
+{
+    IPackDevice *idev = IPACK_DEVICE(dev);
+    IPackDeviceClass *k = IPACK_DEVICE_GET_CLASS(dev);
+    Error *err = NULL;
+
+    if (k->unrealize) {
+        k->unrealize(dev, &err);
+        error_propagate(errp, err);
+        return;
+    }
+
+    qemu_free_irqs(idev->irq, 2);
+}
+
+static Property ipack_device_props[] = {
+    DEFINE_PROP_INT32("slot", IPackDevice, slot, -1),
+    DEFINE_PROP_END_OF_LIST()
+};
+
+static void ipack_device_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *k = DEVICE_CLASS(klass);
+
+    set_bit(DEVICE_CATEGORY_INPUT, k->categories);
+    k->bus_type = TYPE_IPACK_BUS;
+    k->realize = ipack_device_realize;
+    k->unrealize = ipack_device_unrealize;
+    k->props = ipack_device_props;
+}
+
+const VMStateDescription vmstate_ipack_device = {
+    .name = "ipack_device",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_INT32(slot, IPackDevice),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const TypeInfo ipack_device_info = {
+    .name          = TYPE_IPACK_DEVICE,
+    .parent        = TYPE_DEVICE,
+    .instance_size = sizeof(IPackDevice),
+    .class_size    = sizeof(IPackDeviceClass),
+    .class_init    = ipack_device_class_init,
+    .abstract      = true,
+};
+
+static const TypeInfo ipack_bus_info = {
+    .name = TYPE_IPACK_BUS,
+    .parent = TYPE_BUS,
+    .instance_size = sizeof(IPackBus),
+};
+
+static void ipack_register_types(void)
+{
+    type_register_static(&ipack_device_info);
+    type_register_static(&ipack_bus_info);
+}
+
+type_init(ipack_register_types)