Re: [Qemu-devel] [RFC PATCH v2 01/23] spapr: enable PHB/CPU/LMB hotplug for pseries-2.3

[David Gibson <david@gibson.dropbear.id.au>]

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On Mon, Mar 23, 2015 at 07:05:42PM +0530, Bharata B Rao wrote:
> From: Michael Roth <mdroth@linux.vnet.ibm.com>
> 
> Introduce an sPAPRMachineClass sub-class of MachineClass to
> handle sPAPR-specific machine configuration properties.
> 
> The 'dr_phb[cpu,lmb]_enabled' field of that class can be set as
> part of machine-specific init code, and is then propagated
> to sPAPREnvironment to conditional enable creation of DRC
> objects and device-tree description to facilitate hotplug
> of PHBs/CPUs/LMBs.
> 
> Since we can't migrate this state to older machine types,
> default the option to false and only enable it for new
> machine types.
> 
> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
> Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
>               [Added CPU and LMB bits]
> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

[snip]
> @@ -1854,11 +1882,15 @@ static const TypeInfo spapr_machine_2_2_info = {
>  static void spapr_machine_2_3_class_init(ObjectClass *oc, void *data)
>  {
>      MachineClass *mc = MACHINE_CLASS(oc);
> +    sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc);
>  
>      mc->name = "pseries-2.3";
>      mc->desc = "pSeries Logical Partition (PAPR compliant) v2.3";
>      mc->alias = "pseries";
>      mc->is_default = 1;
> +    smc->dr_phb_enabled = true;
> +    smc->dr_cpu_enabled = true;
> +    smc->dr_lmb_enabled = true;
>  }

Presumably this will move to pseries-2.4 before merge.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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