Mi Marcus, W dniu 26.05.2018 o 23:19, Marcus Folkesson pisze: > Chip Card Interface Device (CCID) protocol is a USB protocol that > allows a smartcard device to be connected to a computer via a card > reader using a standard USB interface, without the need for each manufacturer > of smartcards to provide its own reader or protocol. > > This gadget driver makes Linux show up as a CCID device to the host and let a > userspace daemon act as the smartcard. > > This is useful when the Linux gadget itself should act as a cryptographic > device or forward APDUs to an embedded smartcard device. > > Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx> > --- > > +config USB_CONFIGFS_CCID > + bool "Chip Card Interface Device (CCID)" > + depends on USB_CONFIGFS > + select USB_F_CCID > + help > + The CCID function driver provides generic emulation of a > + Chip Card Interface Device (CCID). > + > + You will need a user space server talking to /dev/ccidg*, > + since the kernel itself does not implement CCID/TPDU/APDU > + protocol. Your function needs a userspace daemon to work. It seems you want to use FunctionFS for such a purpose instead of creating a new function. Andrzej -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
