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author | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
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committer | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
commit | 755cc582a2473d06f3a2131d506d0311cc70e9f9 (patch) | |
tree | 3efb1ddb8d57bbb4539ac0d229b384871c57820f /hw/s390x/virtio-ccw-serial.c | |
parent | Initial commit. (diff) | |
download | qemu-upstream.tar.xz qemu-upstream.zip |
Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'hw/s390x/virtio-ccw-serial.c')
-rw-r--r-- | hw/s390x/virtio-ccw-serial.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw-serial.c b/hw/s390x/virtio-ccw-serial.c new file mode 100644 index 00000000..bf805788 --- /dev/null +++ b/hw/s390x/virtio-ccw-serial.c @@ -0,0 +1,88 @@ +/* + * virtio ccw serial implementation + * + * Copyright 2012, 2015 IBM Corp. + * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#include "qemu/osdep.h" +#include "hw/virtio/virtio.h" +#include "qemu/module.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/virtio-serial.h" +#include "virtio-ccw.h" +#include "hw/virtio/virtio-serial.h" + +#define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" +OBJECT_DECLARE_SIMPLE_TYPE(VirtioSerialCcw, VIRTIO_SERIAL_CCW) + +struct VirtioSerialCcw { + VirtioCcwDevice parent_obj; + VirtIOSerial vdev; +}; + +static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) +{ + VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + DeviceState *proxy = DEVICE(ccw_dev); + char *bus_name; + + /* + * For command line compatibility, this sets the virtio-serial-device bus + * name as before. + */ + if (proxy->id) { + bus_name = g_strdup_printf("%s.0", proxy->id); + virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); + g_free(bus_name); + } + + qdev_realize(vdev, BUS(&ccw_dev->bus), errp); +} + + +static void virtio_ccw_serial_instance_init(Object *obj) +{ + VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_SERIAL); +} + +static Property virtio_ccw_serial_properties[] = { + DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, + VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), + DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, + VIRTIO_CCW_MAX_REV), + DEFINE_PROP_END_OF_LIST(), +}; + +static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); + + k->realize = virtio_ccw_serial_realize; + device_class_set_props(dc, virtio_ccw_serial_properties); + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); +} + +static const TypeInfo virtio_ccw_serial = { + .name = TYPE_VIRTIO_SERIAL_CCW, + .parent = TYPE_VIRTIO_CCW_DEVICE, + .instance_size = sizeof(VirtioSerialCcw), + .instance_init = virtio_ccw_serial_instance_init, + .class_init = virtio_ccw_serial_class_init, +}; + +static void virtio_ccw_serial_register(void) +{ + type_register_static(&virtio_ccw_serial); +} + +type_init(virtio_ccw_serial_register) |