[smartmontools-support] support SiliconMotion 3282 usb bridge

[Franz Volkovic]

Hello list!

I have here an USB Stick "Transcend JetFlash 910",
which appears to be based on the SiliconMotion 3282 controller.
This stick appears to have a recent SSD controller that includes
the USB interface, so this is a fast and tightly integrated USB stick.
The Transcend JetFlash 920 seems to use the same, but with a cheaper case?

ID 1d6b:0003 Linux Foundation 3.0 root hub
|__ Port 1: Dev 2, If 0, Class=Mass Storage, Driver=uas, 5000M
ID 8564:1000 Transcend Information, Inc. JetFlash

Currently smartctl does not support this USB bridge:

>smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.10.17]
>Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org[http://www.smartmontools.org]
>
>/dev/sdb: Unknown USB bridge [0x8564:0x1000 (0x1100)]
>Please specify device type with the -d option.

...and no choice of -d xyz works?

However on Amazon a CrystalDiskInfo user on Win posted a screenshot
where some SMART attributes are readable: 05 Reallocated Sector Count
and 0C Power Cycles, and 5 additional vendor specific ones:
https://images-na.ssl-images-amazon.com/images/I/51j2XHD1iIL._SL1600_.jpg[https://images-na.ssl-images-amazon.com/images/I/51j2XHD1iIL._SL1600_.jpg

Are there plans to support this controller in Smartmontools?
It would be VERY useful to have a wearout indicator with these
recent generation of SSD-on-USB sticks....

Thank You!