eMMC with Linux

# ./mnand_hs -d /dev/vblkdev0.ctl -at
mNAND Health and Status Info
mNAND identified: "Hynix F20 (MID=0x90, PRV=0x03)"
MLC Age Totals:
      Total number of blocks (9~4180): 4172
      Total p/e cycles: 56222
      Number of usable blocks: 4170
      Number of usable blocks: 4169 (only blocks with age > 0)
        Avg p/e cycles:   13.482494
SLC Age Totals:
       Total number of blocks (8~8): 1
       Total p/e cycles: 13
       Number of usable blocks: 1
       Number of usable blocks: 1 (only blocks with age > 0)
       Avg p/e cycles:   13.000000