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Host device enumeration
Think of this as basically a proxy to HAL. It lets a remote client enumerate hardware devices on the host by class (ie NICs, disks, etc), or by subsystem (USB, PCI). Why do we need this...
- To attach PCI devices to a guest, we need to know what PCI devices a host has, and bind/unbind the host's kernel drivers to this
- Prior to migration there is a need to check hosts for compatability in terms of network, storage and PCI devices
- To configure NPIV SAN adapters, we need to enumerate HBAs, and request creation/deletion of virtual adapters
oVirt have also requested the ability to do NIC enumeration in some detail. They wish to use this to be able to assign NICs to guests.
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Relevant links
http://www.redhat.com/archives/libvir-list/2008-April/msg00005.html
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