Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / lib / libvirtio / virtio-net.h

diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-net.h b/qemu/roms/SLOF/lib/libvirtio/virtio-net.h
new file mode 100644 (file)
index 0000000..bc7a189
--- /dev/null
+++ b/qemu/roms/SLOF/lib/libvirtio/virtio-net.h
@@ -0,0 +1,43 @@
+/******************************************************************************
+ * Copyright (c) 2011 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef VIRTIO_NET_H
+#define VIRTIO_NET_H
+
+#include <netdriver.h>
+
+#define RX_QUEUE_SIZE          128
+#define BUFFER_ENTRY_SIZE      1514
+
+enum {
+       VQ_RX = 0,      /* Receive Queue */
+       VQ_TX = 1,      /* Transmit Queue */
+};
+
+struct vqs {
+       uint64_t id;    /* Queue ID */
+       uint32_t size;
+       void *buf_mem;
+       struct vring_desc *desc;
+       struct vring_avail *avail;
+       struct vring_used *used;
+};
+
+/* Device is identified by RX queue ID: */
+#define DEVICE_ID  vq[0].id
+
+extern net_driver_t *virtionet_open(char *mac_addr, int len, struct virtio_device *dev);
+extern void virtionet_close(net_driver_t *driver);
+extern int virtionet_read(char *buf, int len);
+extern int virtionet_write(char *buf, int len);
+
+#endif