Signed-off-by: Evgeny Voevodin <e.voevo...@samsung.com> --- Makefile.objs | 1 + hw/virtio-transport.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ hw/virtio-transport.h | 39 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 86 insertions(+), 0 deletions(-) create mode 100644 hw/virtio-transport.c create mode 100644 hw/virtio-transport.h
diff --git a/Makefile.objs b/Makefile.objs index 6d6f24d..5a648bc 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -212,6 +212,7 @@ hw-obj-y += vl.o loader.o hw-obj-$(CONFIG_VIRTIO) += virtio-console.o hw-obj-y += usb/libhw.o hw-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o +hw-obj-$(CONFIG_VIRTIO) += virtio-transport.o hw-obj-y += fw_cfg.o hw-obj-$(CONFIG_PCI) += pci.o pci_bridge.o pci_bridge_dev.o hw-obj-$(CONFIG_PCI) += msix.o msi.o diff --git a/hw/virtio-transport.c b/hw/virtio-transport.c new file mode 100644 index 0000000..4225a30 --- /dev/null +++ b/hw/virtio-transport.c @@ -0,0 +1,46 @@ +/* + * Virtio transport bindings + * + * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd. + * + * Author: + * Evgeny Voevodin <e.voevo...@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "virtio-transport.h" + +#define VIRTIO_TRANSPORT_BUS "virtio-transport" + +struct BusInfo virtio_transport_bus_info = { + .name = VIRTIO_TRANSPORT_BUS, + .size = sizeof(VirtIOTransportBusState), +}; + +int virtio_init_transport(DeviceState *dev, VirtIODevice *vdev) +{ + DeviceState *transport_dev = qdev_get_parent_bus(dev)->parent; + BusState *bus; + VirtIOTransportBusState *virtio_transport_bus; + + /* transport device has single child bus */ + bus = QLIST_FIRST(&transport_dev->child_bus); + virtio_transport_bus = DO_UPCAST(VirtIOTransportBusState, bus, bus); + + if (virtio_transport_bus->init_fn) { + return virtio_transport_bus->init_fn(dev, vdev); + } + + return 0; +} diff --git a/hw/virtio-transport.h b/hw/virtio-transport.h new file mode 100644 index 0000000..ff39bf7 --- /dev/null +++ b/hw/virtio-transport.h @@ -0,0 +1,39 @@ +/* + * Virtio transport header + * + * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd. + * + * Author: + * Evgeny Voevodin <e.voevo...@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef VIRTIO_TRANSPORT_H_ +#define VIRTIO_TRANSPORT_H_ + +#include "sysbus.h" +#include "virtio.h" + +extern struct BusInfo virtio_transport_bus_info; + +typedef int (*virtio_init_transport_fn)(DeviceState *dev, VirtIODevice *vdev); + +typedef struct VirtIOTransportBusState { + BusState bus; + virtio_init_transport_fn init_fn; +} VirtIOTransportBusState; + +int virtio_init_transport(DeviceState *dev, VirtIODevice *vdev); + +#endif /* VIRTIO_TRANSPORT_H_ */ -- 1.7.5.4