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Re: [Xen-devel] [PATCH v2 1/2] libxl: Introduce functions to add and remove host USB devices to an HVM guest



On 20/03/13 16:52, Ian Jackson wrote:
George Dunlap writes ("[PATCH v2 1/2] libxl: Introduce functions to add and remove 
host USB devices to an HVM guest"):
Devices must be removed by "id", an identifying string, which must be
specified when the device is created.  The caller can either pass one
in to request; if none is passed in, then libxl will choose one and
pass it back to the caller.  In the second case, it will return a
string containing the id used in the "id" field of the device struct.
IMO we shouldn't expose these ids like this.  Rather, we should do
what we do with block, network, etc. and have functions for listing
and removing devices by their virtual names ("device tree path" or
whatever as the guest sees it).

If QMP is deficient then this may mean keeping a separate list
somewhere.

Right -- I was hoping to have such an implementation as a "nice-to-have", which I would try to get in as a best-effort, rather than a requirement.

 -George

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