commit 3b444eadf7726d976be4ac89e8e742cb7eb7a5ee
author Hans de Goede <hdegoede@redhat.com> Tue Nov 19 14:36:57 2013 +0100
committer Gerd Hoffmann <kraxel@redhat.com> Tue Nov 26 09:21:17 2013 +0100
tree 49d68c050f8edd656364d6891d7ac6dd293bbdcb
parent 04b300f85fafd2d6a92ec0a766f0035e9bc5835c

usb: Add usb_device_alloc/free_streams

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/usb/bus.c

diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index ca329be..09848c6 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -203,6 +203,24 @@
     }
 }
 
+int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
+                             int streams)
+{
+    USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
+    if (klass->alloc_streams) {
+        return klass->alloc_streams(dev, eps, nr_eps, streams);
+    }
+    return 0;
+}
+
+void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps)
+{
+    USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
+    if (klass->free_streams) {
+        klass->free_streams(dev, eps, nr_eps);
+    }
+}
+
 static int usb_qdev_init(DeviceState *qdev)
 {
     USBDevice *dev = USB_DEVICE(qdev);

include/hw/usb.h

diff --git a/include/hw/usb.h b/include/hw/usb.h
index e9d96ba..0a6ef4a 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -315,6 +315,14 @@
      */
     void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep);
 
+    /*
+     * Called by the hcd to alloc / free streams on a bulk endpoint.
+     * Optional may be NULL.
+     */
+    int (*alloc_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps,
+                         int streams);
+    void (*free_streams)(USBDevice *dev, USBEndpoint **eps, int nr_eps);
+
     const char *product_desc;
     const USBDesc *usb_desc;
 } USBDeviceClass;
@@ -553,6 +561,10 @@
 
 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep);
 
+int usb_device_alloc_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps,
+                             int streams);
+void usb_device_free_streams(USBDevice *dev, USBEndpoint **eps, int nr_eps);
+
 const char *usb_device_get_product_desc(USBDevice *dev);
 
 const USBDesc *usb_device_get_usb_desc(USBDevice *dev);