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ppc/pnv: turn PnvPHB4 into a PnvPHB backend

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Change the parent type of the PnvPHB4 device to TYPE_PARENT since the
PCI bus is going to be initialized by the PnvPHB parent. Functions that
needs to access the bus via a PnvPHB4 object can do so via the
phb4->phb_base pointer.

pnv_phb4_pec now creates a PnvPHB object.

The powernv9 machine class will create PnvPHB devices with version '4'.
powernv10 will create using version '5'. Both are using global machine
properties in their class_init() to do that.

These changes will benefit us when adding PnvPHB user creatable devices
for powernv9 and powernv10.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220624084921.399219-6-danielhb413@gmail.com>
This commit is contained in:
Daniel Henrique Barboza 2022-06-24 05:49:14 -03:00
parent fe5bfd4bb8
commit 210aacb3b9
4 changed files with 27 additions and 31 deletions
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3
hw/pci-host/pnv_phb4_pec.c
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@ -115,8 +115,7 @@ static void pnv_pec_default_phb_realize(PnvPhb4PecState *pec,
int stack_no,
Error **errp)
{
PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
PnvPHB4 *phb = PNV_PHB4(qdev_new(pecc->phb_type));
PnvPHB *phb = PNV_PHB(qdev_new(TYPE_PNV_PHB));
int phb_id = pnv_phb4_pec_get_phb_id(pec, stack_no);
object_property_add_child(OBJECT(pec), "phb[*]", OBJECT(phb));