Re: [Xen-devel] Re: [RFC] [PATCH] sysfs support for Xen attributes

From: Greg KH
Date: Thu Jan 12 2006 - 12:42:47 EST


On Thu, Jan 12, 2006 at 09:44:38AM -0500, Mike D. Day wrote:
> Greg KH wrote:
> >What other, specific sysfs files are you going to want to create?
> >What is the hierarchy going to look like?
> >What is the contents of the file going to look like?
>
> You make a very good point. We have not agreed on the heirarchy and file
> contents, and we need to do so before continuing.
> Some _very rough_ ideas include
>
> /sys/xen/version/{major minor extra version build}
> /sys/xen/domain/{dom0 dom1 ... domn} (each domain could be a dir. with
> attributes)
> /sys/xen/hypervisor/{scheduler cpu memory}
> /sys/xen/migrate/{hosts_to, hosts_from}
>
> These will be text files with simple attrributes. Most will be
> read-only. It is kind of fun to think about creating a domain by doing
> something like
>
> cat $domain_config > /sys/xen/domain/new
>
> but there are some ugly aspects of doing so. Likewise it would be good
> to add a potential migration host by writing an ip address to
> /sys/xen/migrate/hosts_to
>
> Again, we need to get this solidified before going further.

Ok, feel free to come back when you get this information sorted out.

thanks,

greg k-h
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