Hi: 2009/5/22 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > On Fri, 22 May 2009, loody wrote: > >> Hi all: > >> Recently I find another question about SCSI command on usb flash. >> We use CBW to wrap scsi commands on usb flash. >> But the command length of CBW has the limitation of 16 bytes. >> Does that mean the size of all scsi command used by USB flash cannot >> exceed 16 bytes? > > Yes, it does. Do you know any SCSI commands that are longer than 16 > bytes? > > Alan Stern thanks for your help. I check the SCSI command specs again. The max length of fix-length CDB formats is 16 bytes. But it seems the variable-length CDB will be larger than 16 bytes. (I never use variable-length CDBs before.and I have no idea how and under what condition it will be used.) appreciate your help, miloody -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
