Log in to esx console and do the following .
[root@pesx11 /]# cd /proc/scsi/lpfc820/ <or qla >
[root@pesx11 lpfc820]# ls
1 2
[root@pesx11 lpfc820]#
[root@pesx11 lpfc820]# cat 1
Emulex LightPulse Fibre Channel SCSI driver 8.2.0.30.52vmw-4
Fujitsu BX600-FC42E 4Gb 2-port PCIe Fibre Channel mezzanine card on PCI bus 10 device 00 irq 217 port 0
BoardNum: 0
Firmware Version: 2.82A4 (Z3F2.82A4)
Portname: 10:00:00:00:c9:c2:85:48 Nodename: 20:00:00:00:c9:c2:85:48
SLI Rev: 3
NPIV Supported: VPIs max 100 VPIs used 0
RPIs max 512 RPIs used 4
Vport List:
Link Up – Ready:
PortID 0x30300
Fabric
Current speed 4G
Physical Port Discovered Nodes: Count 0
[root@pesx11 lpfc820]#