[PATCH 09/15] machine: record whether nvdimm= was set

[Paolo Bonzini <pbonzini@redhat.com>]

This is needed for SPAPR which has different defaults than everyone else.
Right now it looks at the -machine QemuOpts, but those will go away.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/core/machine.c       | 1 +
 include/hw/mem/nvdimm.h | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/core/machine.c b/hw/core/machine.c
index 2c0bc15143..94992fa1c0 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -455,6 +455,7 @@ static void machine_set_nvdimm(Object *obj, bool value, Error **errp)
 {
     MachineState *ms = MACHINE(obj);
 
+    ms->nvdimms_state->has_is_enabled = true;
     ms->nvdimms_state->is_enabled = value;
 }
 
diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h
index c699842dd0..14c101c180 100644
--- a/include/hw/mem/nvdimm.h
+++ b/include/hw/mem/nvdimm.h
@@ -129,7 +129,7 @@ typedef struct NvdimmFitBuffer NvdimmFitBuffer;
 
 struct NVDIMMState {
     /* detect if NVDIMM support is enabled. */
-    bool is_enabled;
+    bool has_is_enabled, is_enabled;
 
     /* the data of the fw_cfg file NVDIMM_DSM_MEM_FILE. */
     GArray *dsm_mem;
-- 
2.26.2