Re: [Qemu-devel] QMP: RFC: I/O error info & query-stop-reason

[Daniel P. Berrange]

On Fri, Jun 03, 2011 at 08:51:29AM -0500, Anthony Liguori wrote:
> On 06/03/2011 08:41 AM, Jan Kiszka wrote:
> >On 2011-06-03 15:26, Anthony Liguori wrote:
> >>I think what we're getting at is the need for an enumeration.  So let's
> >>introduce one.  Here's what I propose:
> >>
> >>SQMP
> >>query-status
> >>------------
> >>
> >>Return a json-object with the following information:
> >>
> >>- "running": true if the VM is running, or false if it is paused
> >>(json-bool)
> >>- "singlestep": true if the VM is in single step mode,
> >>                 false otherwise (json-bool)
> >>- "status": one of the following values (json-string) (optional)
> >>       "prelaunch" - QEMU was started with -S and guest has not started
> >>       "running" - guest is actively running
> >>       "singlestep" - guest is running in single step mode
> >
> >"singlestep" is just a subset of "debug" stops. Better use the latter.
> >
> >>       "paused" - guest has been paused via the 'stop' command
> >>       "postmigrate" - guest is paused following a successful 'migrate'
> >>       "shutdown" - guest is shut down (and -no-shutdown is in use)
> >>       "io-error" - the last IOP has failed and the device is configured
> >>to pause on I/O errors
> >>       "watchdog-error" - the watchdog action is configured to pause and
> >>has been triggered
> >
> >And "panic" or "internal-error".
> 
> Can you add the request help spec text too?  Is "internal-error" a
> KVM emulation error?  If so, I'd rather make it
> "kvm-emulation-error".

Yeah, its for the kvm-all.c code which calls vm_stop(VMSTOP_PANIC);
when it gets either an internal error, or an unhandled exit.

Regards,
Daniel
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