BMC: Update u-boot environment variables.

- Create a service file that can update the u-boot variables
  (kernelname, root and ubiblock) to point to a different
  BMC version.
- This service file will be called by the BMC ItemUpdater
  if a user sets BMC version priority to the lowest value.

Change-Id: Ic83c7e7a1c36eefc6c0b1b12b2077f5a866db36c
Signed-off-by: Saqib Khan <khansa@us.ibm.com>

4 files changed, 13 insertions, 4 deletions

diff --git a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
index d4b4b4a75..b54bd5074 100644
--- a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
+++ b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager.bb
@@ -74,6 +74,7 @@ SYSTEMD_SERVICE_${PN}-updater += " \
     obmc-flash-bmc-ubiro-remove@.service \
     usr-local.mount \
     obmc-flash-bmc-ubiremount.service \
+    obmc-flash-bmc-updateubootvars@.service \
     "
 
 # Name of the mtd device where the ubi volumes should be created
diff --git a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc
index ddc049160..6725eaa1b 100644
--- a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc
+++ b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc
@@ -327,10 +327,10 @@ case "$1" in
   ubiremount)
     remount_ubi
     ;;
-  preupdate)
+  createenvbackup)
     backup_env_vars
     ;;
-  postupdate)
+  updateubootvars)
     version="$2"
     update_env_vars
     ;;
diff --git a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-ubiro@.service b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-ubiro@.service
index 3606a10ae..c1fc70987 100644
--- a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-ubiro@.service
+++ b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-ubiro@.service
@@ -5,9 +5,9 @@ OnFailure=obmc-flash-bmc-ubiro-remove@%i.service
 [Service]
 Type=oneshot
 RemainAfterExit=no
-ExecStartPre=/usr/bin/env obmc-flash-bmc preupdate
+ExecStartPre=/usr/bin/env obmc-flash-bmc createenvbackup
 ExecStart=/usr/bin/env obmc-flash-bmc ubiro {RO_MTD} rofs-%i %i
 ExecStart=/usr/bin/env obmc-flash-bmc ubikernel {KERNEL_MTD} kernel-%i %i
 ExecStart=/usr/bin/env obmc-flash-bmc mtduboot u-boot %i
-ExecStartPost=/usr/bin/env obmc-flash-bmc postupdate %i
+ExecStartPost=/usr/bin/env obmc-flash-bmc updateubootvars %i
 SyslogIdentifier=obmc-flash-bmc
diff --git a/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-updateubootvars@.service b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-updateubootvars@.service
new file mode 100644
index 000000000..bab0b0297
--- /dev/null
+++ b/meta-phosphor/common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-bmc-updateubootvars@.service
@@ -0,0 +1,8 @@
+[Unit]
+Description= Updates the u-boot variable to point BMC version to %I
+
+[Service]
+Type=oneshot
+RemainAfterExit=no
+ExecStart=/usr/bin/env obmc-flash-bmc updateubootvars %i
+SyslogIdentifier=obmc-flash-bmc