Maybe you will find what you need here ? ftp://ftp.software.ibm.com/storage/devdrvr/Linux/
Those are actually the RPM's for IBM based tape devices, I'm using a Dell. Have to use the non-IBM package TIVsm-scsi that comes from my contract download site.
Problem at the moment isn't with the TSM packages themselves, it's all the management add-on's.