On Tue, Jan 16, 2024 at 02:49:41AM +0100, Michael Grzeschik wrote: > Add the new gadget function for 9pfs transport. This function is > defining an simple 9pfs transport interface that consists of one in and > one out endpoint. The endpoints transmit and receive the 9pfs protocol > payload when mounting a 9p filesystem over usb. > > Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> > --- > Documentation/filesystems/9p.rst | 12 + > drivers/usb/gadget/Kconfig | 11 + > drivers/usb/gadget/function/Makefile | 2 + > drivers/usb/gadget/function/f_9pfs.c | 849 +++++++++++++++++++++++++++++++++++ > 4 files changed, 874 insertions(+) > > diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig > index b3592bcb0f966..72cdecaef6aa9 100644 > --- a/drivers/usb/gadget/Kconfig > +++ b/drivers/usb/gadget/Kconfig > @@ -153,6 +153,10 @@ config USB_F_ACM > config USB_F_SS_LB > tristate > > +config USB_F_9PFS > + tristate > + select NET_9P > + > config USB_U_SERIAL > tristate > > @@ -363,6 +367,13 @@ config USB_CONFIGFS_F_LB_SS > test software, like the "usbtest" driver, to put your hardware > and its driver through a basic set of functional tests. > > +config USB_CONFIGFS_F_9PFS > + bool "9pfs over usb gadget" > + depends on USB_CONFIGFS > + select USB_F_9PFS > + help > + 9pfs support for usb gadget This may be a dumb question, but what is the purpose of this CONFIG symbol? It doesn't get used by any of the patches in this series, as far as I can see. Alan Stern
