hw/dma: Move ScatterGatherEntry / QEMUSGList declarations around

In the next commit we will use the dma_addr_t type in the QEMUSGList
structure. Since currently dma_addr_t is defined after QEMUSGList,
move the declarations to have dma_addr_t defined first. This is a
pure code-movement patch.

Suggested-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220111184309.28637-10-f4bug@amsat.org>

1 files changed, 11 insertions, 11 deletions

diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index 0db2478a50..c992d9d5d6 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -15,22 +15,11 @@
 #include "block/block.h"
 #include "block/accounting.h"
 
-typedef struct ScatterGatherEntry ScatterGatherEntry;
-
 typedef enum {
     DMA_DIRECTION_TO_DEVICE = 0,
     DMA_DIRECTION_FROM_DEVICE = 1,
 } DMADirection;
 
-struct QEMUSGList {
-    ScatterGatherEntry *sg;
-    int nsg;
-    int nalloc;
-    size_t size;
-    DeviceState *dev;
-    AddressSpace *as;
-};
-
 /*
  * When an IOMMU is present, bus addresses become distinct from
  * CPU/memory physical addresses and may be a different size.  Because
@@ -43,6 +32,17 @@ typedef uint64_t dma_addr_t;
 #define DMA_ADDR_BITS 64
 #define DMA_ADDR_FMT "%" PRIx64
 
+typedef struct ScatterGatherEntry ScatterGatherEntry;
+
+struct QEMUSGList {
+    ScatterGatherEntry *sg;
+    int nsg;
+    int nalloc;
+    size_t size;
+    DeviceState *dev;
+    AddressSpace *as;
+};
+
 static inline void dma_barrier(AddressSpace *as, DMADirection dir)
 {
     /*