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ppc/pnv: Introduce support for user created PHB3 devices

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PHB3 devices and PCI devices can now be added to the powernv8 machine
using :

  -device pnv-phb3,chip-id=0,index=1 \
  -device nec-usb-xhci,bus=pci.1,addr=0x0

The 'index' property identifies the PHB3 in the chip. In case of user
created devices, a lookup on 'chip-id' is required to assign the
owning chip.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220105212338.49899-7-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2022-01-12 11:28:27 +01:00
parent e022e5a73a
commit 1f6a88fffc
3 changed files with 30 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

11
hw/pci-host/pnv_phb3.c
View file

@ -991,6 +991,15 @@ static void pnv_phb3_realize(DeviceState *dev, Error **errp)
PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine());
int i;
/* User created devices */
if (!phb->chip) {
phb->chip = pnv_get_chip(pnv, phb->chip_id);
if (!phb->chip) {
error_setg(errp, "invalid chip id: %d", phb->chip_id);
return;
}
}
if (phb->phb_id >= PNV_CHIP_GET_CLASS(phb->chip)->num_phbs) {
error_setg(errp, "invalid PHB index: %d", phb->phb_id);
return;
@ -1104,7 +1113,7 @@ static void pnv_phb3_class_init(ObjectClass *klass, void *data)
dc->realize = pnv_phb3_realize;
device_class_set_props(dc, pnv_phb3_properties);
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->user_creatable = false;
dc->user_creatable = true;
}
static const TypeInfo pnv_phb3_type_info = {