bump MAX_DMA_REGIONS (#800)
Some perfectly reasonable VMs exceed 16 VMs; bump this up somewhat.
Signed-off-by: John Levon <john.levon@nutanix.com>
diff --git a/lib/private.h b/lib/private.h
index 6e0170e..e3d97b3 100644
--- a/lib/private.h
+++ b/lib/private.h
@@ -50,7 +50,7 @@
#else
#define MAX_DMA_SIZE UINT32_MAX /* FIXME check for __i386__ etc? */
#endif
-#define MAX_DMA_REGIONS 16
+#define MAX_DMA_REGIONS 64
#define SERVER_MAX_DATA_XFER_SIZE (VFIO_USER_DEFAULT_MAX_DATA_XFER_SIZE)
diff --git a/test/py/libvfio_user.py b/test/py/libvfio_user.py
index 976590c..e68e126 100644
--- a/test/py/libvfio_user.py
+++ b/test/py/libvfio_user.py
@@ -160,7 +160,7 @@
return (1 << 31) - 1 == sys.maxsize
-MAX_DMA_REGIONS = 16
+MAX_DMA_REGIONS = 64
# FIXME get from libvfio-user.h
MAX_DMA_SIZE = sys.maxsize << 1 if is_32bit() else (8 * ONE_TB)
