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

[Greg KH]

On Thu, Jan 12, 2006 at 09:57:50AM -0600, Anthony Liguori wrote:
> Here's a list of the remaining things we current expose in /proc/xen 
> that have no obvious place:
> 
> 1) capabilities (is the domain a management domain)

Is this just a single value or a bitfield?

> 2) xsd_mfn (a frame number for our bus so that userspace can connect to it)

Single number, right?

> 3) xsd_evtchn (a virtual IRQ for xen bus for userspace)

Again, single number?

> I would think these would most obviously go under something like:
> 
> /sys/hypervisor/xen/
> 
> That would introduce a hypervisor subsystem.  There are at least a few 
> hypervisors out there already so this isn't that bad of an idea 
> (although perhaps it may belong somewhere else in the hierarchy).  Greg?

I would have no problem with /sys/hypervisor/xen/ as long as you play by
the rest of the rules for sysfs (one value per file, no binary blobs
being intrepreted by the kernel, etc.)

thanks,

greg k-h
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