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

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?

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:


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!


Anthony Liguori


greg k-h

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