[RFC,2,12/16] hw/i386: Introduce apic_id_from_topo_ids handler in PCMachineState

Commit Message

Babu Moger Sept. 6, 2019, 7:13 p.m. UTC

Add function pointer apic_id_from_topo_ids in PCMachineState.
Initialize with correct handler based on the mode selected.
Also rename the handler apicid_from_topo_ids to x86_apicid_from_topo_ids
for  consistency. x86_apicid_from_topo_ids will be the default handler.

Signed-off-by: Babu Moger <[e-mail]>
---
 hw/i386/pc.c               |    3 ++-
 include/hw/i386/pc.h       |    2 ++
 include/hw/i386/topology.h |    4 ++--
 3 files changed, 6 insertions(+), 3 deletions(-)

Patch

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index c88de09350..959bd3821b 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -2454,7 +2454,7 @@  static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
         topo_ids.ccx_id = cpu->ccx_id;
         topo_ids.core_id = cpu->core_id;
         topo_ids.smt_id = cpu->thread_id;
-        cpu->apic_id = apicid_from_topo_ids(&topo_info, &topo_ids);
+        cpu->apic_id = pcms->apicid_from_topo_ids(&topo_info, &topo_ids);
     }
 
     cpu_slot = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
@@ -2831,6 +2831,7 @@  static void pc_machine_initfn(Object *obj)
     /* Initialize the apic id related handlers */
     pcms->apicid_from_cpu_idx = x86_apicid_from_cpu_idx;
     pcms->topo_ids_from_apicid = x86_topo_ids_from_apicid;
+    pcms->apicid_from_topo_ids = x86_apicid_from_topo_ids;
 
     pc_system_flash_create(pcms);
 }
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 9a40f123d0..d6f1189997 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -71,6 +71,8 @@  struct PCMachineState {
     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);
+    apic_id_t (*apicid_from_topo_ids)(X86CPUTopoInfo *topo_info,
+                                      const X86CPUTopoIDs *topo_ids);
 
     /* Address space used by IOAPIC device. All IOAPIC interrupts
      * will be translated to MSI messages in the address space. */
diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h
index 6fd4184f07..740e66970d 100644
--- a/include/hw/i386/topology.h
+++ b/include/hw/i386/topology.h
@@ -294,7 +294,7 @@  static inline apic_id_t x86_apicid_from_cpu_idx_epyc(X86CPUTopoInfo *topo_info,
  *
  * The caller must make sure core_id < nr_cores and smt_id < nr_threads.
  */
-static inline apic_id_t apicid_from_topo_ids(X86CPUTopoInfo *topo_info,
+static inline apic_id_t x86_apicid_from_topo_ids(X86CPUTopoInfo *topo_info,
                                              const X86CPUTopoIDs *topo_ids)
 {
     unsigned nr_dies = topo_info->nr_dies;
@@ -356,7 +356,7 @@  static inline apic_id_t x86_apicid_from_cpu_idx(X86CPUTopoInfo *topo_info,
 {
     X86CPUTopoIDs topo_ids;
     x86_topo_ids_from_idx(topo_info, cpu_index, &topo_ids);
-    return apicid_from_topo_ids(topo_info, &topo_ids);
+    return x86_apicid_from_topo_ids(topo_info, &topo_ids);
 }
 
 #endif /* HW_I386_TOPOLOGY_H */