On 04/07/2010 01:27 PM, Alan Stern wrote: >> the EHCI spec allows up to 20k > > This is ingenuous. The EHCI spec allows a single qTD to describe up to > 20 KB of data. But that's not the limit on the size of a data request; > bulk data transfers can be arbitrarily long. Qemu could solve its > problem the same way libusb does: by breaking the large request up into > multiple smaller requests. > > Alan Stern > Yes, I was referring to a data request from a single qTD which is passed from guest to qemu to host. I'll take a look at libusb. Thanks, David -- 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
