[Qemu-devel] [RFC 2 PATCH 04/16] machine: Add SMP Sockets in CpuTopology

[Moger, Babu]

Store the  smp Sockets in CpuTopology. Socket information
is required to build the cpu topology in new epyc mode.

Signed-off-by: Babu Moger <babu.mo...@amd.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 c58a8e594e..4034b7e903 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -795,6 +795,7 @@ 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 95aab8e5e7..9e1c3f9f57 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1609,6 +1609,7 @@ 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 a71d1a53a5..12eb5032a5 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -245,12 +245,14 @@ 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 711d2ae5da..473a688779 100644
--- a/vl.c
+++ b/vl.c
@@ -3981,6 +3981,7 @@ 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));