1394 Device Path; Usb Device Path - Intel Extensible Firmware Interface Specification

5.3.4.4 1394 Device Path

Table 5-12. 1394 Device Path
Mnemonic
Type
Sub-Type
Length
Reserved
1
GUID
1
The usage of the term GUID is per the 1394 specification. This is not the same as the
type defined in the EFI Specification.
EFI_GUID

5.3.4.5 USB Device Path

Table 5-13. USB Device Path
Mnemonic
Type
Sub-Type
Length
USB Port Number
End Point
Version 1.02
Byte Byte
Offset Length Description
0 1 Type 3 – Messaging Device Path
1 1 Sub-Type 4 – 1394
2 2 Length of this structure in bytes. Length is 16 bytes.
4 4 Reserved
8 8 1394 Global Unique ID (GUID)
Byte Byte
Offset Length Description
0 1 Type 3 – Messaging Device Path
1 1 Sub-Type 5 – USB
2 2 Length of this structure in bytes. Length is 16 bytes.
4 1 USB Port Number
5 1 USB Endpoint Number
12/12/00
Device Path Protocol
1
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