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ppc/pnv: restrict BMC object to the BMC simulator 

Today, when a PowerNV guest runs, it uses the sensor definitions of
the BMC simulator to populate the device tree. But an external IPMI
BMC could also be used and, in that case, it is not (yet) possible to
retrieve the sensor list. Generating the OEM SEL event for shutdown or
reboot also does not make sense as it should be generated on the BMC
side.

This change allows a guest to use an 'ipmi-bmc-extern' backend to the
'isa-ipmi-bt' device and a 'chardev' for transport such as :

	-chardev socket,id=ipmi0,host=localhost,port=9002,reconnect=10 \
	-device ipmi-bmc-extern,id=bmc0,chardev=ipmi0 \
	-device isa-ipmi-bt,bmc=bmc0,irq=10

and connect to a BMC simulator, the OpenIPMI ipmi_sim simulator for
instance.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2017-04-28 10:26:31 +02:00 committed by David Gibson
parent 76d20ea0f1
commit a1a636b8b4
1 changed files with 1 additions and 1 deletions
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2
hw/ppc/pnv.c
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@ -511,7 +511,7 @@ static void ppc_powernv_reset(void)
* This is the internal simulator but it could also be an external
* BMC.
*/
obj = object_resolve_path_type("", TYPE_IPMI_BMC, NULL);
obj = object_resolve_path_type("", "ipmi-bmc-sim", NULL);
if (obj) {
pnv->bmc = IPMI_BMC(obj);
}