[Qemu-devel] [RFC 2 PATCH 13/16] machine: Add new epyc property in PCMachineState

[Moger, Babu]

Adds new epyc property in PCMachineState and also in MachineState.
This property will be used to initialize the mode specific handlers
to generate apic ids.

Signed-off-by: Babu Moger <babu.mo...@amd.com>
---
 hw/i386/pc.c         |   23 +++++++++++++++++++++++
 include/hw/boards.h  |    2 ++
 include/hw/i386/pc.h |    1 +
 3 files changed, 26 insertions(+)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 959bd3821b..14760523a9 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -2810,6 +2810,22 @@ static void pc_machine_set_pit(Object *obj, bool value, 
Error **errp)
     pcms->pit_enabled = value;
 }
 
+static bool pc_machine_get_epyc(Object *obj, Error **errp)
+{
+    PCMachineState *pcms = PC_MACHINE(obj);
+
+    return pcms->epyc;
+}
+
+static void pc_machine_set_epyc(Object *obj, bool value, Error **errp)
+{
+    PCMachineState *pcms = PC_MACHINE(obj);
+    MachineState *ms = MACHINE(pcms);
+
+    pcms->epyc = value;
+    ms->epyc = value;
+}
+
 static void pc_machine_initfn(Object *obj)
 {
     PCMachineState *pcms = PC_MACHINE(obj);
@@ -3015,6 +3031,13 @@ static void pc_machine_class_init(ObjectClass *oc, void 
*data)
 
     object_class_property_add_bool(oc, PC_MACHINE_PIT,
         pc_machine_get_pit, pc_machine_set_pit, &error_abort);
+
+    object_class_property_add_bool(oc, "epyc",
+        pc_machine_get_epyc, pc_machine_set_epyc, &error_abort);
+
+    object_class_property_set_description(oc, "epyc",
+        "Set on/off to use epyc mode", &error_abort);
+
 }
 
 static const TypeInfo pc_machine_info = {
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 12eb5032a5..0001d42e50 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -299,6 +299,8 @@ struct MachineState {
     AccelState *accelerator;
     CPUArchIdList *possible_cpus;
     CpuTopology smp;
+    bool epyc;
+
     struct NVDIMMState *nvdimms_state;
 };
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index d6f1189997..cf9e7b0045 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -68,6 +68,7 @@ struct PCMachineState {
     uint64_t *node_mem;
 
     /* Apic id specific handlers */
+    bool epyc;
     uint32_t (*apicid_from_cpu_idx)(X86CPUTopoInfo *topo_info, unsigned 
cpu_index);
     void (*topo_ids_from_apicid)(apic_id_t apicid, X86CPUTopoInfo *topo_info,
                                  X86CPUTopoIDs *topo_ids);