Atapi Device Path; Scsi Device Path; Fibre Channel Device Path - Intel Extensible Firmware Interface Specification

Extensible Firmware Interface Specification

5.3.4.1 ATAPI Device Path

Table 5-9. ATAPI Device Path
Mnemonic
Type
Sub-Type
Length
PrimarySecondary
SlaveMaster
Logical Unit Number

5.3.4.2 SCSI Device Path

Table 5-10. SCSI Device Path
Mnemonic
Type
Sub-Type
Length
Target ID
Logical Unit Number

5.3.4.3 Fibre Channel Device Path

Table 5-11. Fibre Channel Device Path
Mnemonic
Type
Sub-Type
Length
Reserved
World Wide Number
Logical Unit Number
124
Byte Byte
Offset Length Description
0 1 Type 3 – Messaging Device Path
1 1 Sub-Type 1 – ATAPI
2 2 Length of this structure in bytes. Length is 8 bytes.
4 1 Set to zero for primary or one for secondary
5 1 Set to zero for master or one for slave mode
6 2 Logical Unit Number
Byte Byte
Offset Length Description
0 1 Type 3 – Messaging Device Path
1 1 Sub-Type 2 – SCSI
2 2 Length of this structure in bytes. Length is 8 bytes.
4 2 Target ID on the SCSI bus, PUN
6 2 Logical Unit Number, LUN
Byte Byte
Offset Length Description
0 1 Type 3 – Messaging Device Path
1 1 Sub-Type 3 – Fibre Channel
2 2 Length of this structure in bytes. Length is 24 bytes.
4 4 Reserved
8 8 Fibre Channel World Wide Number
16 8 Fibre Channel Logical Unit Number
12/12/00 Version 1.02