Yeah, this really would be nice to have, userspace drivers have to essentially duplicate most of the info in their own headers otherwise. Especially to do reads on usbfs nodes.
Also, since you put the speed enum in there, usbfs should be updated to report the actual speed instead of just slow and full (in struct connectinfo). On Thu, 24 Oct 2002, David Brownell wrote:
--This patch addresses some of the minor problems with programming USB with "usbfs", or coming up with any kind of usb slave/target device driver API (including eventually USB-OTG). It does so by creating a new <linux/usb_ch9.h> file that defines common constants and descriptor structures that are now found in <linux/usb.h> but which are (a) not exported to userspace, making programming with "usbfs" awkward, and (b) needlessly mixed up with the usb master/host-only side APIs, which a slave/target-only side API will not want to require. These definitions are just moved out of <linux/usb.h>, so they can be accessed safely. If folk agree that this should be done, instead of different headers and declarations for master/host, slave/target, and dual-mode OTG (which was the road the Lineo APIs, rejected by Linus, started down), I think this should be merged (compiles but untested) as a start. Then configuration, interface, and device descriptors could get split out too. That'd involve some code changes, since those descriptor structures have been augmented (or maybe "sullied"?) with data that's specific to the Linux host-side driver implementation. So they're currently unsuitable to be used by user-space or slave/target drivers. So ... comments? - Dave
Dan Streetman
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