Virtual Devices

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All virtual devices have entries in the Open Firmware device tree under the /proc/device-tree/vdevice/ directory

  • Similarly, on V2.6 kernels they have entries in sysfs under

/sys/devices/vio

  • Devices are identified with an 8 digit hexadecimal number,

starting with “3” and ending with the virtual slot number (e.g., device 30000004 is in virtual slot 4)

  • The entries in the /proc/device-tree/vdevice are

particularly useful, since they include both the adapter type as well as its number

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