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author	Michael Holzheu <holzheu@de.ibm.com>
	Mon, 5 Feb 2007 20:18:26 +0000 (21:18 +0100)
committer	Martin Schwidefsky <schwidefsky@de.ibm.com>
	Mon, 5 Feb 2007 20:18:26 +0000 (21:18 +0100)
commit	cced1dd42ebcebc7fa7f02fe487e48aa71752401
tree	989ef44c23b900309f070184b8bf3412d5b98dbf	tree \| snapshot
parent	fe355b7f1c7400cbb71762a1237461be03f88265	commit \| diff

[S390] Add crypto support for 3592 tape devices

3592 tape devices are able to write data encrpyted on tape mediums.
This z/Linux device driver support includes the following functions:
* ioctl to switch on/off encryption
* ioctl to query encryption status of drive
* ioctls to set and query key encrypting keys (kekls)
* long busy interrupt handling

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

John Crispins staging tree

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drivers/s390/char/tape.h		diff \| blob \| history
drivers/s390/char/tape_3590.c		diff \| blob \| history
drivers/s390/char/tape_3590.h		diff \| blob \| history
drivers/s390/char/tape_char.c		diff \| blob \| history
drivers/s390/char/tape_core.c		diff \| blob \| history
include/asm-s390/tape390.h		diff \| blob \| history