tree 136a59289987e8affeb12a8ca4930d162b4c26e1
parent 3840547dd2e65d2bd545521da4efa2a06a8a8e6a
author Jayanth Othayoth <ojayanth@in.ibm.com> 1627546520 -0500
committer Jayanth Othayoth <ojayanth@in.ibm.com> 1628093190 -0500

PHAL: import devtree tool support

Added tool to import devtree attributes from BMC predefined
location to current phal devtree in the system. This tool
is used to override that r/w attribute data after concurrent
code update BMC reboot path.

./openpower-proc-control importDevtree

Tested :  regular reboot path ( with attribute data file)

~# systemctl status phal-import-devtree@0.service
○ phal-import-devtree@0.service - Import Host0 PHAL devtree attributes
     Loaded: loaded (/lib/systemd/system/phal-import-devtree@.service; static)
     Active: inactive (dead) since Mon 2021-08-02 12:03:09 UTC; 2min 55s ago
    Process: 493 ExecStart=/usr/bin/openpower-proc-control importDevtree (code=exited, status=0/SUCCESS)
   Main PID: 493 (code=exited, status=0/SUCCESS)

Aug 02 12:03:02 rain71bmc systemd[1]: Starting Import Host0 PHAL devtree attributes...
Aug 02 12:03:03 rain71bmc systemd[1]: Finished Import Host0 PHAL devtree attributes.
Aug 02 12:03:09 rain71bmc systemd[1]: phal-import-devtree@0.service: Deactivated successfully.
Aug 02 12:03:09 rain71bmc systemd[1]: Stopped Import Host0 PHAL devtree attributes.

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: I6ea5e78b4d87a53f45b60ba33a658294feec7c1d