USBTrace : Class Decoding : Mass Storage
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USB devices which belong to the Mass Storage Device class can be monitored using the Mass Storage class decoder (Plug-in dll). The decoder can be used to monitor mass storage devices which supports the Bulk-Only Transport protocol.
Both Command Block Wrapper (CBW) & Command Status Wrapper (CSW) of Bulk-Only protocol are decoded and displayed.
The following Command Block Specifications (based on SubClass codes) are supported :
- SCSI Primary Command Set 2 (SPC2)
- SCSI Multimeda Command Set 2 (MMC2)
- SCSI Reduced Block Command Set (RBC)
Image below shows a SCSI Inquiry command block, decoded and displayed by USBTrace.