Re: [Xen-devel] [PATCH v8 3/5] libxl: add support for vscsi

[Olaf Hering <olaf@xxxxxxxxx>]

On Mon, Feb 15, Ian Jackson wrote:

> One reason you might define a virtual controller with no devices yet
> is so that you have a stable and pre-expected device path for any
> actual targets you choose to hotplug later.

Would it be acceptable to reuse the devid as the "group index"?
The various vdev in vscsi=['pdev,vdev'] will be assigned to the same
vscsictrl if the host part in host:chn:target:lun matches. Right now an
empty vscsictrl has no property to store the "host" part. This could be
handled by either reusing devid, or by introducing a new xenstore
property such as "libxl_vscsictrl_index". The value itself has no
meaning other than being an index or label.

Olaf

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