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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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5
include/hw/pci-host/pnv_phb4.h
View file

@ -18,6 +18,7 @@
typedef struct PnvPhb4PecState PnvPhb4PecState;
typedef struct PnvPhb4PecStack PnvPhb4PecStack;
typedef struct PnvPHB4 PnvPHB4;
typedef struct PnvPHB PnvPHB;
typedef struct PnvChip PnvChip;
/*
@ -78,7 +79,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(PnvPHB4, PNV_PHB4)
#define PCI_MMIO_TOTAL_SIZE (0x1ull << 60)
struct PnvPHB4 {
PCIExpressHost parent_obj;
DeviceState parent;
PnvPHB *phb_base;
uint32_t chip_id;
uint32_t phb_id;