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FTL - Coggle Diagram
FTL
Write
Set MetaData for each 4k
P2L is able to continue
VP count table would like to apply one lie for one WL/super page
LBA lockeer is applied
RAID parity how to combine into host data buffer locate
GC
suspend prog to make read src data interleave
To make sure read/write could be intereleave
one CE super page program should be work
RTOS
Task
ThreadX RTOS version
Modules
Error block handle
ECC failure
Program failure
Read count over flow
channel process
Fill cmd queue
Fill cache read cmd
Fill suspend cmd
Retry
Telemetry
Read count over flow?
How to info MainProces
s
Read
ASIC to manager host read buffer
Need to expect the max event for each queue. To avoid the queue full
L2P update
5Byte L2P format
Policy- journal map
Need to save all L2P when safeshutdown for worst case
Debug
Watchdog
Each Core all need?
Event log?
Table update
From DRAM directly?
Trim
To set LBA locker
Erase
Wear Leveling
Power cycle handle