[PATCH v4 1/3] spapr: nvdimm: Forward declare and move the definitions

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The subsequent patches add definitions which tend to
get the compilation to cyclic dependency. So, prepare
with forward declarations, move the defitions and clean up.

Signed-off-by: Shivaprasad G Bhat <sbhat@xxxxxxxxxxxxx>
---
 hw/ppc/spapr_nvdimm.c         |   12 ++++++++++++
 include/hw/ppc/spapr_nvdimm.h |   14 ++------------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/hw/ppc/spapr_nvdimm.c b/hw/ppc/spapr_nvdimm.c
index b46c36917c..8cf3fb2ffb 100644
--- a/hw/ppc/spapr_nvdimm.c
+++ b/hw/ppc/spapr_nvdimm.c
@@ -31,6 +31,18 @@
 #include "qemu/range.h"
 #include "hw/ppc/spapr_numa.h"
 
+/*
+ * The nvdimm size should be aligned to SCM block size.
+ * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE
+ * inorder to have SCM regions not to overlap with dimm memory regions.
+ * The SCM devices can have variable block sizes. For now, fixing the
+ * block size to the minimum value.
+ */
+#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE
+
+/* Have an explicit check for alignment */
+QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE);
+
 bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm,
                            uint64_t size, Error **errp)
 {
diff --git a/include/hw/ppc/spapr_nvdimm.h b/include/hw/ppc/spapr_nvdimm.h
index 73be250e2a..764f999f54 100644
--- a/include/hw/ppc/spapr_nvdimm.h
+++ b/include/hw/ppc/spapr_nvdimm.h
@@ -11,19 +11,9 @@
 #define HW_SPAPR_NVDIMM_H
 
 #include "hw/mem/nvdimm.h"
-#include "hw/ppc/spapr.h"
 
-/*
- * The nvdimm size should be aligned to SCM block size.
- * The SCM block size should be aligned to SPAPR_MEMORY_BLOCK_SIZE
- * inorder to have SCM regions not to overlap with dimm memory regions.
- * The SCM devices can have variable block sizes. For now, fixing the
- * block size to the minimum value.
- */
-#define SPAPR_MINIMUM_SCM_BLOCK_SIZE SPAPR_MEMORY_BLOCK_SIZE
-
-/* Have an explicit check for alignment */
-QEMU_BUILD_BUG_ON(SPAPR_MINIMUM_SCM_BLOCK_SIZE % SPAPR_MEMORY_BLOCK_SIZE);
+typedef struct SpaprDrc SpaprDrc;
+typedef struct SpaprMachineState SpaprMachineState;
 
 int spapr_pmem_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
                            void *fdt, int *fdt_start_offset, Error **errp);





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