ATA_DSM_TRIM
ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES));
/*features*/ATA_DSM_TRIM,
if (cfis[11] == 0 && cfis[3] == ATA_DSM_TRIM &&
cfis[17] == 0 && cfis[16] == ATA_DSM_TRIM &&