How to add virtual tape?

Dear All,

I have some lpar that i want to connect with DAT tape drive.
how can i add to the lpar, so can access the tape drive

here is the detail of my lpar:

root@erpqa:/>uname -L
2 erpqa
root@erpqa:/>lsdev -Cc tape
rmt0 Defined            Virtual Tape Drive
rmt1 Available C5-T1-01 IBM 3580 Ultrium Tape Drive (FCP)
 smc0 Available C5-T1-01 IBM 3573 Tape Medium Changer (FCP)

here is detail from vio:

$ lsdev -virtual
name             status      description
vasi0            Available   Virtual Asynchronous Services Interface (VASI)
vasi1            Available   Virtual Asynchronous Services Interface (VASI)
vasi2            Available   Virtual Asynchronous Services Interface (VASI)
vasi3            Available   Virtual Asynchronous Services Interface (VASI)
vbsd0            Available   Virtual Block Storage Device (VBSD)
vbsd1            Available   Virtual Block Storage Device (VBSD)
vbsd2            Available   Virtual Block Storage Device (VBSD)
vbsd3            Available   Virtual Block Storage Device (VBSD)
vfchost0         Available   Virtual FC Server Adapter
vfchost1         Available   Virtual FC Server Adapter
vhost0           Available   Virtual SCSI Server Adapter
vhost1           Available   Virtual SCSI Server Adapter
vhost2           Available   Virtual SCSI Server Adapter
vhost4           Available   Virtual SCSI Server Adapter
vsa0             Available   LPAR Virtual Serial Adapter
vsa1             Defined     LPAR Virtual Serial Adapter
name             status      description
vtopt0           Available   Virtual Target Device - Optical Media
vtscsi0          Available   Virtual Target Device - Logical Volume
vtscsi1          Available   Virtual Target Device - Logical Volume
vtscsi2          Available   Virtual Target Device - Logical Volume
vtscsi3          Available   Virtual Target Device - Logical Volume
vtscsi4          Available   Virtual Target Device - Disk
vtscsi5          Available   Virtual Target Device - Disk
vtscsi6          Available   Virtual Target Device - Disk
vtscsi8          Available   Virtual Target Device - Disk
vtscsi9          Available   Virtual Target Device - Disk
vtscsi10         Available   Virtual Target Device - Disk
vttape0          Available   Virtual Target Device - Tape

lsmap -all (for tape)

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost1          U8202.E4C.066BC9R-V1-C3                      0x00000003

VTD                   vtscsi1
Status                Available
LUN                   0x8100000000000000
Backing device        devdisk0
Physloc                
Mirrored              N/A

VTD                   vtscsi2
Status                Available
LUN                   0x8200000000000000
Backing device        devdisk1
Physloc                
Mirrored              N/A

VTD                   vttape0
Status                Available
LUN                   0x8300000000000000
Backing device        rmt0
Physloc               U78AA.001.WZSHC8L-P1-D1
 Mirrored              N/A

in one box server have 1 VIOS and 2 LPAR

please help...

Regards