diff mbox series

[04/17] pnv_phb4.c: add unique chassis and slot for pnv_phb4_root_port

Message ID 20211228193806.1198496-5-danielhb413@gmail.com (mailing list archive)
State New, archived
Headers show
Series ppc/pnv: enable pnv-phb4 user devices | expand

Commit Message

Daniel Henrique Barboza Dec. 28, 2021, 7:37 p.m. UTC 
A similar situation as described previously with pnv_phb3_root_port
devices also happens with pnv_phb4_root_ports.

The solution is the same: assign an unique chassis/slot combo for them.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
 hw/pci-host/pnv_phb4.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c
index 23ab3ba594..4554490e51 100644
--- a/hw/pci-host/pnv_phb4.c
+++ b/hw/pci-host/pnv_phb4.c
@@ -1396,8 +1396,23 @@  static void pnv_phb4_root_port_reset(DeviceState *dev)
 static void pnv_phb4_root_port_realize(DeviceState *dev, Error **errp)
 {
     PCIERootPortClass *rpc = PCIE_ROOT_PORT_GET_CLASS(dev);
+    PCIDevice *pci = PCI_DEVICE(dev);
+    PCIBus *bus = pci_get_bus(pci);
+    PnvPHB4 *phb = NULL;
     Error *local_err = NULL;
 
+    phb = (PnvPHB4 *) object_dynamic_cast(OBJECT(bus->qbus.parent),
+                                          TYPE_PNV_PHB4);
+
+    if (!phb) {
+        error_setg(errp, "%s must be connected to pnv-phb4 buses", dev->id);
+        return;
+    }
+
+    /* Set unique chassis/slot values for the root port */
+    qdev_prop_set_uint8(&pci->qdev, "chassis", phb->chip_id);
+    qdev_prop_set_uint16(&pci->qdev, "slot", phb->phb_id);
+
     rpc->parent_realize(dev, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);