[PATCH 2/3] ppc/pnv: Add a 'rp_model' class attribute for the PHB4 PEC

["Cédric Le Goater" <clg@kaod.org>]

PHB5 will introduce its own root port model. Prepare ground for it.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 include/hw/pci-host/pnv_phb4.h | 1 +
 hw/pci-host/pnv_phb4_pec.c     | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h
index 74fdec2b478b..0c7635dec591 100644
--- a/include/hw/pci-host/pnv_phb4.h
+++ b/include/hw/pci-host/pnv_phb4.h
@@ -203,6 +203,7 @@ struct PnvPhb4PecClass {
     int stk_compat_size;
     uint64_t version;
     const uint32_t *num_phbs;
+    const char *rp_model;
 };
 
 #endif /* PCI_HOST_PNV_PHB4_H */
diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c
index b19e89236a63..a3c4b4ef850c 100644
--- a/hw/pci-host/pnv_phb4_pec.c
+++ b/hw/pci-host/pnv_phb4_pec.c
@@ -134,7 +134,9 @@ static void pnv_pec_default_phb_realize(PnvPhb4PecState *pec,
     }
 
     /* Add a single Root port if running with defaults */
-    pnv_phb_attach_root_port(PCI_HOST_BRIDGE(phb), TYPE_PNV_PHB4_ROOT_PORT);
+    pnv_phb_attach_root_port(PCI_HOST_BRIDGE(phb),
+                             PNV_PHB4_PEC_GET_CLASS(pec)->rp_model);
+
 }
 
 static void pnv_pec_realize(DeviceState *dev, Error **errp)
@@ -267,6 +269,7 @@ static void pnv_pec_class_init(ObjectClass *klass, void *data)
     pecc->stk_compat_size = sizeof(stk_compat);
     pecc->version = PNV_PHB4_VERSION;
     pecc->num_phbs = pnv_pec_num_phbs;
+    pecc->rp_model = TYPE_PNV_PHB4_ROOT_PORT;
 }
 
 static const TypeInfo pnv_pec_type_info = {
-- 
2.31.1