Extensible Firmware Interface Specification
viii 12/12/00 Version 1.02
5.3 Device Path Nodes................................................................................ 119
5.3.1 Generic Device Path Structures.................................................... 119
5.3.2 Hardware Device Path...................................................................120
5.3.2.1 PCI Device Path........................................................................... 121
5.3.2.2 PCCARD Device Path.................................................................. 121
5.3.2.3 Memory Mapped Device Path...................................................... 122
5.3.2.4 Vendor Device Path .....................................................................122
5.3.2.5 Controller Device Path..................................................................122
5.3.3 ACPI Device Path.......................................................................... 123
5.3.4 Messaging Device Path................................................................. 123
5.3.4.1 ATAPI Device Path....................................................................... 124
5.3.4.2 SCSI Device Path......................................................................... 124
5.3.4.3 Fibre Channel Device Path...........................................................124
5.3.4.4 1394 Device Path......................................................................... 125
5.3.4.5 USB Device Path.......................................................................... 125
5.3.4.6 USB Class Device Path................................................................ 126
5.3.4.7 I2O Device Path........................................................................... 126
5.3.4.8 MAC Address Device Path........................................................... 126
5.3.4.9 IPv4 Device Path.......................................................................... 127
5.3.4.10 IPv6 Device Path........................................................................ 127
5.3.4.11 InfiniBand† Device Path.............................................................. 128
5.3.4.12 UART Device Path..................................................................... 128
5.3.4.13 Vendor-Defined Messaging Device Path.................................... 129
5.3.5 Media Device Path........................................................................ 129
5.3.5.1 Hard Drive.................................................................................... 129
5.3.5.2 CD-ROM Media Device Path........................................................ 131
5.3.5.3 Vendor-Defined Media Device Path............................................. 131
5.3.5.4 File Path Media Device Path........................................................ 132
5.3.5.5 Media Protocol Device Path......................................................... 132
5.3.6 BIOS Boot Specification Device Path............................................ 133
5.4 Device Path Generation Rules ..............................................................133
5.4.1 Housekeeping Rules..................................................................... 133
5.4.2 Rules with ACPI _HID and _UID................................................... 134
5.4.3 Rules with ACPI _ADR.................................................................. 135