Commit 3b444ead authored by Hans de Goede's avatar Hans de Goede Committed by Gerd Hoffmann
Browse files

usb: Add usb_device_alloc/free_streams 



Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 04b300f8

hw/usb/bus.c

+18 −0
Original line number Diff line number Diff line
@@ -203,6 +203,24 @@ void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep) 
    }

}



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

+12 −0
Original line number Diff line number Diff line
@@ -315,6 +315,14 @@ typedef struct USBDeviceClass { 
     */

    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_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 


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);