Intel Extensible Firmware Interface - Manual (Page 230)

Extensible Firmware Interface Specification
8-10 12/01/02 Version 1.10
8.3.4.2 SCSI Device Path
Table 8-11. SCSI Device Path
Mnemonic Byte
Offset Byte
Length
Description
Type 0 1 Type 3 – Messaging Device Path
Sub-Type 1 1 Sub-Type 2 – SCSI
Length 2 2 Length of this structure in bytes. Length is 8 bytes.
Target ID 4 2 Target ID on the SCSI bus, PUN
Logical Unit Number 6 2 Logical Unit Number, LUN
8.3.4.3 Fibre Channel Device Path
Table 8-12. Fibre Channel Device Path
Mnemonic Byte
Offset Byte
Length
Description
Type 0 1 Type 3 – Messaging Device Path
Sub-Type 1 1 Sub-Type 3 – Fibre Channel
Length 2 2 Length of this structure in bytes. Length is 24 bytes.
Reserved 4 4 Reserved
World Wide Number 8 8 Fibre Channel World Wide Number
Logical Unit Number 16 8 Fibre Channel Logical Unit Number
8.3.4.4 1394 Device Path
Table 8-13. 1394 Device Path
Mnemonic Byte
Offset Byte
Length
Description
Type 0 1 Type 3 – Messaging Device Path
Sub-Type 1 1 Sub-Type 4 – 1394
Length 2 2 Length of this structure in bytes. Length is 16 bytes.
Reserved 4 4 Reserved
GUID 1 8 8 1394 Global Unique ID (GUID) 1
Notes: 1 The usage of the term GUID is per the 1394 specification. This is not the same as the EFI_GUID
type defined in the EFI Specification.