s390/ap: extend AP change bindings-complete uevent with counter

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Userspace udev rules need an indication about the very first AP change
BINDINGS=complete uevent.

So now this uevent is extend with an additional key-value entry
COMPLETECOUNT=<counter>. The very first uevent will show counter=1 and
the following BINDINGS=complete uevents increase this counter by 1.

Here is an example how the very first BINDINGS=complete uevent
looks like:

  KERNEL[106.079510] change   /devices/ap (ap)
  ACTION=change
  DEVPATH=/devices/ap
  SUBSYSTEM=ap
  BINDINGS=complete
  COMPLETECOUNT=1
  SEQNUM=10686

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

...

This commit is contained in:

Harald Freudenberger 2021-05-11 15:01:18 +02:00 • committed by Vasily Gorbik

parent d2e834c62d

commit 0677519ab9

1 changed files with 8 additions and 2 deletions

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10

drivers/s390/crypto/ap_bus.c

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