PERFORCE change 169952 for review

[Hans Petter Selasky]

http://p4web.freebsd.org/chv.cgi?CH=169952

Change 169952 by hselasky at hselasky_laptop001 on 2009/10/30 11:56:44

	
	USB CORE:
	 - add more functions to Linux compat layer.
	 - patch from: Leunam Elebek

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/usb_compat_linux.c#49 edit
.. //depot/projects/usb/src/sys/dev/usb/usb_compat_linux.h#23 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/usb_compat_linux.c#49 (text+ko) ====

@@ -1663,3 +1663,58 @@
 		goto tr_setup;
 	}
 }
+
+/*------------------------------------------------------------------------*
+ *	usb_fill_bulk_urb
+ *------------------------------------------------------------------------*/
+void
+usb_fill_bulk_urb(struct urb *urb, struct usb_device *udev,
+    struct usb_host_endpoint *uhe, void *buf,
+    int length, usb_complete_t callback, void *arg)
+{
+	urb->dev = udev;
+	urb->endpoint = uhe;
+	urb->transfer_buffer = buf;
+	urb->transfer_buffer_length = length;
+	urb->complete = callback;
+	urb->context = arg;
+}
+
+/*------------------------------------------------------------------------*
+ *	usb_bulk_msg
+ *
+ * NOTE: This function can also be used for interrupt endpoints!
+ *
+ * Return values:
+ *    0: Success
+ * Else: Failure
+ *------------------------------------------------------------------------*/
+int
+usb_bulk_msg(struct usb_device *udev, struct usb_host_endpoint *uhe,
+    void *data, int len, uint16_t *pactlen, usb_timeout_t timeout)
+{
+	struct urb *urb;
+	int err;
+
+	if (uhe == NULL)
+		return (-EINVAL);
+	if (len < 0)
+		return (-EINVAL);
+
+	err = usb_setup_endpoint(udev, uhe, 4096 /* bytes */);
+	if (err)
+		return (err);
+
+	urb = usb_alloc_urb(0, 0);
+	if (urb == NULL)
+		return (-ENOMEM);
+
+        usb_fill_bulk_urb(urb, udev, uhe, data, len,
+	    usb_linux_wait_complete, NULL);
+
+	err = usb_start_wait_urb(urb, timeout, pactlen);
+
+	usb_free_urb(urb);
+
+	return (err);
+}

==== //depot/projects/usb/src/sys/dev/usb/usb_compat_linux.h#23 (text+ko) ====

@@ -299,6 +299,11 @@
 void	usb_linux_register(void *arg);
 void	usb_linux_deregister(void *arg);
 
+void	usb_fill_bulk_urb(struct urb *, struct usb_device *,
+	    struct usb_host_endpoint *, void *, int, usb_complete_t, void *);
+int	usb_bulk_msg(struct usb_device *, struct usb_host_endpoint *,
+	    void *, int, uint16_t *, usb_timeout_t);
+
 #define	interface_to_usbdev(intf) (intf)->linux_udev
 #define	interface_to_bsddev(intf) (intf)->linux_udev