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

[Anthony Liguori]

Greg KH wrote:

> 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?
>  
Right now it's a string that identifies the type of partition is it (for 
instance, "control_d" for the control domain).

> > 2) xsd_mfn (a frame number for our bus so that userspace can connect to it)
> >    
>
> Single number, right?
>  
Yup.

> > 3) xsd_evtchn (a virtual IRQ for xen bus for userspace)
> >    
>
> Again, single number?
>  
Yup.

> > 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.)
>  
Great, thanks!

Regards,

Anthony Liguori

> thanks,
>
> greg k-h
>
>  

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