On Fri, 20 May 2016, Felipe Balbi wrote: > > Hi, > > Shea Ako <hackingsma@xxxxxxxxx> writes: > > I’ve been learning about and playing with configfs and functionfs to > > create composite user space USB gadgets. My objective is to create a > > composite USB gadget that incorporates a custom functionfs function of > > my own creation along with some _real_ USB devices connected to my > > linux platform. > > > > Is there an easy existing way to bundle _real_ USB devices into a > > composite gadget like this or am I looking at writing my own user > > space functionfs functions which handle wrapping and forwarding the > > interfaces/endpoints/data of the connected _real_ USB devices? > > heh, you're really on your own. Sounds pretty interesting but you're > gonna spend a lot of time with this :p > > > I haven’t found any documented existing way to do this, but I thought > > I should ask before I go off an implement it myself as it seems that > > this might be a use case which isn’t entirely off the wall and there > > could already be support for this somewhere that I haven’t yet > > encountered. > > I don't think anybody has done anything like this yet. The closest I got > was to attach some USB sticks to host port via HUB, setup RAID and use > that RAID as backing store for g_mass_storage, then connect > g_mass_storage back to same host which has the RAID of several USB > sticks (same machine has host and peripheral controllers). How about setting up USBIP, using the same machine as both the server and the client? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
