Details fo the HBAs was available under

/proc/scsi/qlxxx  #for Qlogic cards
/proc/scsi/lpfc   #for Emulex cards

you would find to numbered files that indicate the PCI slot that the card was sitting on.

so for example

cat /proc/scsi/ql23xx/1 
QLogic PCI to Fibre Channel Host Adapter for QLA2460:
        Firmware version:  4.00.23, Driver version 7.07.05
Entry address = f888d060

Request Queue = 0x37280000, Response Queue = 0x37270000
Request Queue count= 512, Response Queue count= 512
Total number of active commands = 2
Total number of interrupts = -1635473967
Total number of active IP commands = 0
Total number of IOCBs (used/max) = (0/0)
Total number of queued commands = 2
    Device queue depth = 0x20
Number of free request entries = 454
Number of mailbox timeouts = 0
Number of ISP aborts = 0
Number of loop resyncs = 0
Number of retries for empty slots = 0
Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
Host adapter:loop state= , flags= 0x70013
Dpc flags = 0x0
MBX flags = 0x0
SRB Free Count = 4094
Link down Timeout = 045
Port down retry = 045
Login retry count = 045
Commands retried with dropped frame(s) = 0
Configured data rate: 4 Gb/sec

SCSI Device Information:
scsi-qla0-adapter-node=2000002c222c2cc2;
scsi-qla0-adapter-port=2100002c222c2cc2;
scsi-qla0-target-0=5006016022c22c2c;
scsi-qla0-target-1=5006016822c22c2c;

SCSI LUN Information:
(Id:Lun)  * - indicates lun is not registered with the OS.
( 0: 0): Total reqs -877237672, Pending reqs 0, flags 0x0, 0:0:81,
( 0: 1): Total reqs 1074740881, Pending reqs 2, flags 0x0, 0:0:81,
( 0: 2): Total reqs 439861869, Pending reqs 0, flags 0x0, 0:0:81,
( 0: 3): Total reqs 417766757, Pending reqs 0, flags 0x0, 0:0:81,
( 1: 0): Total reqs 1174574, Pending reqs 0, flags 0x0, 0:0:82,
( 1: 1): Total reqs 1906876572, Pending reqs 0, flags 0x0, 0:0:82,
( 1: 2): Total reqs 1175529, Pending reqs 0, flags 0x0, 0:0:82,
( 1: 3): Total reqs 1173331, Pending reqs 0, flags 0x0, 0:0:82,

This gives us everything.

WWN is scsi-qla0-adapter-port=2100002c222c2cc2
Driver version is 7.07.05 
We can see this HBA is able to see 8 LUNs.