Store the  smp sockets in CpuTopology. The socket information required to
build the apic id in EPYC mode. Right now socket information is not passed
to down when decoding the apic id. Add the socket information here.

Signed-off-by: Babu Moger <babu.mo...@amd.com>
Reviewed-by: Eduardo Habkost <ehabk...@redhat.com>
---
 hw/core/machine.c   |    1 +
 hw/i386/pc.c        |    1 +
 include/hw/boards.h |    2 ++
 vl.c                |    1 +
 4 files changed, 5 insertions(+)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index 1689ad3bf8..e59b181ead 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -784,6 +784,7 @@ static void smp_parse(MachineState *ms, QemuOpts *opts)
         ms->smp.cpus = cpus;
         ms->smp.cores = cores;
         ms->smp.threads = threads;
+        ms->smp.sockets = sockets;
     }
 
     if (ms->smp.cpus > 1) {
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index cafbdafa76..17de152a77 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1473,6 +1473,7 @@ void pc_smp_parse(MachineState *ms, QemuOpts *opts)
         ms->smp.cpus = cpus;
         ms->smp.cores = cores;
         ms->smp.threads = threads;
+        ms->smp.sockets = sockets;
         pcms->smp_dies = dies;
     }
 
diff --git a/include/hw/boards.h b/include/hw/boards.h
index de45087f34..d4fab218e6 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -256,12 +256,14 @@ typedef struct DeviceMemoryState {
  * @cpus: the number of present logical processors on the machine
  * @cores: the number of cores in one package
  * @threads: the number of threads in one core
+ * @sockets: the number of sockets on the machine
  * @max_cpus: the maximum number of logical processors on the machine
  */
 typedef struct CpuTopology {
     unsigned int cpus;
     unsigned int cores;
     unsigned int threads;
+    unsigned int sockets;
     unsigned int max_cpus;
 } CpuTopology;
 
diff --git a/vl.c b/vl.c
index 4489cfb2bb..a42c24a77f 100644
--- a/vl.c
+++ b/vl.c
@@ -3962,6 +3962,7 @@ int main(int argc, char **argv, char **envp)
     current_machine->smp.max_cpus = machine_class->default_cpus;
     current_machine->smp.cores = 1;
     current_machine->smp.threads = 1;
+    current_machine->smp.sockets = 1;
 
     machine_class->smp_parse(current_machine,
         qemu_opts_find(qemu_find_opts("smp-opts"), NULL));


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