What:		/dev/jtag[0-9]+
Date:		July 2018
KernelVersion:	4.20
Contact:	oleksandrs@mellanox.com
Description:
		The misc device files /dev/jtag* are the interface
		between JTAG master interface and userspace.

		The ioctl(2)-based ABI is defined and documented in
		[include/uapi]<linux/jtag.h>.

		The following file operations are supported:

		open(2)
		Opens and allocates file descriptor.

		ioctl(2)
		Initiate various actions.
		See the inline documentation in [include/uapi]<linux/jtag.h>
		for descriptions of all ioctls.

Users:
		userspace tools which wants to access to JTAG bus