s390/cio: Provide Endpoint-Security Mode per CU

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Add an interface in the CIO layer to retrieve the information about the
Endpoint-Security Mode (ESM) of the specified CU. The ESM values are
defined as 0-None, 1-Authenticated or 2, 3-Encrypted.

[vneethv@linux.ibm.com: cleaned-up and modified description]

Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

...

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Vineeth Vijayan 2020-10-08 15:13:28 +02:00 • committed by Jens Axboe

parent 8b8b0915ba

commit 4cd6094d9d

2 changed files with 84 additions and 0 deletions

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arch/s390/include/asm/cio.h

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83

drivers/s390/cio/chsc.c

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