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ppc/pnv: add helpers for pnv-phb user devices

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pnv_parent_qom_fixup() and pnv_parent_bus_fixup() are versions of the
helpers that were reverted by commit 9c10d86fee "ppc/pnv: Remove
user-created PHB{3,4,5} devices". They are needed to amend the QOM and
bus hierarchies of user created pnv-phbs, matching them with default
pnv-phbs.

A new helper pnv_phb_user_device_init() is created to handle
user-created devices setup. We're going to call it inside
pnv_phb_realize() in case we're realizing an user created device. This
will centralize all user device realated in a single spot, leaving the
realize functions of the phb3/phb4 backends untouched.

Another helper called pnv_chip_add_phb() was added to handle the
particularities of each chip version when adding a new PHB.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220811163950.578927-5-danielhb413@gmail.com>
This commit is contained in:
Daniel Henrique Barboza 2022-08-11 13:39:43 -03:00
parent c2f3f78af5
commit ba47c3a4f8
3 changed files with 96 additions and 0 deletions
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1
include/hw/ppc/pnv.h
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@ -234,6 +234,7 @@ struct PnvMachineState {
};
PnvChip *pnv_get_chip(PnvMachineState *pnv, uint32_t chip_id);
Object *pnv_chip_add_phb(PnvChip *chip, PnvPHB *phb, Error **errp);
#define PNV_FDT_ADDR 0x01000000
#define PNV_TIMEBASE_FREQ 512000000ULL