tree 7718da9d2712f39a25d2b86ee0735989b3469422
parent cc3b64aebb1760750888324f116d11a952acd203
author Matt Spinler <spinler@us.ibm.com> 1576177869 -0600
committer Matt Spinler <spinler@us.ibm.com> 1580133986 -0600

PEL: Notifier support for 'host full'

The host firmware may have a limited size for its staging area
before it passes the PELs through to the OS, and this area may
fill up with PELs it can't send if there are too many or the OS
isn't up yet.

In this case, it will send down an 'Ack PEL' PLDM command with a
special response indicating this host full condition.  The PLDM
daemon will then call a method on this daemon to let it know.

This command handles the host full condition on the HostNotifier
class.  When this is set:

* The PEL that hit this condition will be put back on the queue
  to be sent again.
* No new PELs will be sent up, except as noted below
* A 60s timer will be started at the end of which another attempt
  will be made to send a PEL, in the hopes the condition went away.
  - If it didn't go away, this process will repeat.
  - If it did go away, a successful ack will be received and things
    will proceed as normal.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Iaeb38f43f7acc595bcff234ba50cedf8188b3d9b