[Qemu-ppc] [RFC PATCH v2 15/21] spapr: modify spapr_populate_pci_dt() to use a 'nr_irqs' argument

[Cédric Le Goater]

This adds some flexibility in the definition of the number of
available IRQS used in a sPAPR machine.

Signed-off-by: Cédric Le Goater <address@hidden>
---
 hw/ppc/spapr.c              | 2 +-
 hw/ppc/spapr_pci.c          | 4 ++--
 include/hw/pci-host/spapr.h | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 3e3ff1fbc988..5d69df928434 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1093,7 +1093,7 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr,
     }
 
     QLIST_FOREACH(phb, &spapr->phbs, list) {
-        ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt);
+        ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt, XICS_IRQS_SPAPR);
         if (ret < 0) {
             error_report("couldn't setup PCI devices in fdt");
             exit(1);
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index d84abf1070a0..05b0a067458e 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -2073,7 +2073,7 @@ static void spapr_phb_pci_enumerate(sPAPRPHBState *phb)
 
 int spapr_populate_pci_dt(sPAPRPHBState *phb,
                           uint32_t xics_phandle,
-                          void *fdt)
+                          void *fdt, int nr_irqs)
 {
     int bus_off, i, j, ret;
     char nodename[FDT_NAME_MAX];
@@ -2142,7 +2142,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
     _FDT(fdt_setprop(fdt, bus_off, "ranges", &ranges, sizeof_ranges));
     _FDT(fdt_setprop(fdt, bus_off, "reg", &bus_reg, sizeof(bus_reg)));
     _FDT(fdt_setprop_cell(fdt, bus_off, "ibm,pci-config-space-type", 0x1));
-    _FDT(fdt_setprop_cell(fdt, bus_off, "ibm,pe-total-#msi", XICS_IRQS_SPAPR));
+    _FDT(fdt_setprop_cell(fdt, bus_off, "ibm,pe-total-#msi", nr_irqs));
 
     /* Dynamic DMA window */
     if (phb->ddw_enabled) {
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index 38470b2f0e5c..40146f72c103 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -115,7 +115,7 @@ PCIHostState *spapr_create_phb(sPAPRMachineState *spapr, 
int index);
 
 int spapr_populate_pci_dt(sPAPRPHBState *phb,
                           uint32_t xics_phandle,
-                          void *fdt);
+                          void *fdt, int nr_irqs);
 
 void spapr_pci_rtas_init(void);
 
-- 
2.13.5