[PATCH v2 0/2] s390/uv: Provide host-key hashes in sysfs

[Steffen Eiden]

List the installed host-keys in the sysfs if the machine supports the
Query Ultravisor Keys UVC.

As of now, two types of host-keys are available:
The used/primary host key, and the backup host-key both hastes are
available in a sysfs file.
For forwards compatibility an `all` file is also available that displays
the whole payload (15*32 bytes) and therefore future key hashes.

Since v1:
	* added r-b's from Janoch & Christoph
	* fixed minor issues (Janosch)
	* removed an unnecessary UVC availability-check in uv_query_keys
		-> removed Christoph's r-b from patch 2

Steffen Eiden (2):
  s390/uv: Refactor uv-sysfs creation
  s390/uv: Provide host-key hashes in sysfs

 arch/s390/include/asm/uv.h |  16 ++++++
 arch/s390/kernel/uv.c      | 105 +++++++++++++++++++++++++++++++++----
 2 files changed, 111 insertions(+), 10 deletions(-)

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2.43.0