gs201: ffu: add lifeC and activated date as condition

Limit the following devices to accept ffu upgrade:
- LifeC time < 10%
- Activated date < 1 year

Bug: 273305600
Test: run ffu process at local
Change-Id: I9cc9298eeb7cd32f02a9577efb71bda0737f284d
Signed-off-by: Leo Liou <leoliou@google.com>

storage/ufs_firmware_update.sh

@@ -6,13 +6,23 @@
 ufs_dev="/dev/sys/block/bootdevice"
 fw_dir="/vendor/firmware"
 blk_dev="/dev/block/by-name/fips"
+min_timestamp=$(date -d "2022-10-01" +%s)
+epoch_1y=$(date -u -d "1971-01-01" +%s)
 
 vendor=$(cat ${ufs_dev}/vendor | tr -d "[:space:]")
 model=$(cat ${ufs_dev}/model | tr -d "[:space:]")
 rev=$(cat ${ufs_dev}/rev | tr -d "[:space:]")
 
 file=$(find ${fw_dir} -name "*${vendor}${model}${rev}*" | head -n 1)
-if [ -n "$file" ]; then
+lifec=$(cat ${ufs_dev}/health_descriptor/life_time_estimation_c | tr -d "[:space:]")
+[ ! "$lifec" ] && lifec=0xff
+
+atime=$(ls -lu -d /data 2>&1 | awk '{print $6}')
+timestamp=$(date -d "$atime" +%s)
+(( $timestamp < $min_timestamp )) && timestamp=$min_timestamp
+now=$(date +%s)
+
+if [ -n "$file" ] && (( $lifec < 0x0a )) && (( $timestamp + $epoch_1y >= $now )); then
 	# The first 4KB block at fips partition has been occupied, and unused space begins from 4 KB
 	# Refer to: go/pixel-mp-ffu-ota-1p
 	dd if="$file" of=$blk_dev bs=4k seek=1