User's Guide

24 SCSI Commands
The eight-byte Node and Port Worldwide Names have the following format:
Table 17 Controller Port Identification Descriptor
Bit
Byte
76543210
0 Protocol Identifier Code Set = 1h
1 PIV Rsvd Association = 1h Identifier Type= 3h
2 Reserved
3 Identifier Length = 08h
4
:
11
World Wide Port Name (WWPN)
Table 18 Node and Port Worldwide Names
MSB
LSB
4-bit NAA ID 24-bit Company ID 36-bit Vendor Specified
Identifier
5h 00 30 8C Assigned per library
Table 19 The Relative Target Port Identification Descriptor
Bit
Byte
76543210
0 Protocol Identifier Code Set = 1h
1 PIV Rsvd Association = 1h Identifier Type= 4h
2 Reserved
3 Identifier Length = 04h
4
:
7
Port Number
(Starting with 1)