[S390] Add crypto support for 3592 tape devices

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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>

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Michael Holzheu 2007-02-05 21:18:26 +01:00 • committed by Martin Schwidefsky

parent fe355b7f1c

commit cced1dd42e

6 changed files with 645 additions and 36 deletions

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22

drivers/s390/char/tape.h

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479

drivers/s390/char/tape_3590.c

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53

drivers/s390/char/tape_3590.h

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2

drivers/s390/char/tape_char.c

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53

drivers/s390/char/tape_core.c

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