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1f5d6b2ad1
We need a handful of changes that needs to be done in a single swoop to turn PnvPHB3 into a PnvPHB backend. In the PnvPHB3, since the PnvPHB device implements PCIExpressHost and will hold the PCI bus, change PnvPHB3 parent to TYPE_DEVICE. There are a couple of instances in pnv_phb3.c that needs to access the PCI bus, so a phb_base pointer is added to allow access to the parent PnvPHB. The PnvPHB3 root port will now be connected to a PnvPHB object. In pnv.c, the powernv8 machine chip8 will now hold an array of PnvPHB objects. pnv_get_phb3_child() needs to be adapted to return the PnvPHB3 backend from the PnvPHB child. A global property is added in pnv_machine_power8_class_init() to ensure that all PnvPHBs are created with phb->version = 3. After all these changes we're still able to boot a powernv8 machine with default settings. The real gain will come with user created PnvPHB devices, coming up next. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com> Message-Id: <20220624084921.399219-4-danielhb413@gmail.com> |
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