[RFC PATCH 04/10] ppc/pnv: specialise init for powernv8/9/10 machines

[Nicholas Piggin <npiggin@gmail.com>]

This will allow different settings and checks for different
machine types with later changes.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 hw/ppc/pnv.c | 35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 6e3a5ccdec..a706de2e36 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -976,11 +976,6 @@ static void pnv_init(MachineState *machine)
     pnv->num_chips =
         machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads);
 
-    if (machine->smp.threads > 8) {
-        error_report("Cannot support more than 8 threads/core "
-                     "on a powernv machine");
-        exit(1);
-    }
     if (!is_power_of_2(machine->smp.threads)) {
         error_report("Cannot support %d threads/core on a powernv"
                      "machine because it must be a power of 2",
@@ -1076,6 +1071,33 @@ static void pnv_init(MachineState *machine)
     }
 }
 
+static void pnv_power8_init(MachineState *machine)
+{
+    if (machine->smp.threads > 8) {
+        error_report("Cannot support more than 8 threads/core "
+                     "on a powernv POWER8 machine");
+        exit(1);
+    }
+
+    pnv_init(machine);
+}
+
+static void pnv_power9_init(MachineState *machine)
+{
+    if (machine->smp.threads > 8) {
+        error_report("Cannot support more than 8 threads/core "
+                     "on a powernv9/10 machine");
+        exit(1);
+    }
+
+    pnv_init(machine);
+}
+
+static void pnv_power10_init(MachineState *machine)
+{
+    pnv_power9_init(machine);
+}
+
 /*
  *    0:21  Reserved - Read as zeros
  *   22:24  Chip ID
@@ -2423,6 +2445,7 @@ static void pnv_machine_power8_class_init(ObjectClass *oc, void *data)
     };
 
     mc->desc = "IBM PowerNV (Non-Virtualized) POWER8";
+    mc->init = pnv_power8_init;
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
     compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat));
 
@@ -2449,6 +2472,7 @@ static void pnv_machine_power9_class_init(ObjectClass *oc, void *data)
     };
 
     mc->desc = "IBM PowerNV (Non-Virtualized) POWER9";
+    mc->init = pnv_power9_init;
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.2");
     compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat));
 
@@ -2473,6 +2497,7 @@ static void pnv_machine_p10_common_class_init(ObjectClass *oc, void *data)
         { TYPE_PNV_PHB_ROOT_PORT, "version", "5" },
     };
 
+    mc->init = pnv_power10_init;
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0");
     compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat));
 
-- 
2.43.0