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

[Anthony Liguori <aliguori@us.ibm.com>]

Greg KH wrote:

>On Thu, Jan 12, 2006 at 09:57:50AM -0600, Anthony Liguori wrote:
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>>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)
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>Is this just a single value or a bitfield?
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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)
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>Single number, right?
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Yup.

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

>>I would think these would most obviously go under something like:
>>
>>/sys/hypervisor/xen/
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>>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?
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>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.)
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Great, thanks!

Regards,

Anthony Liguori

>thanks,
>
>greg k-h
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