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-rw-r--r--include/standard-headers/linux/virtio_scsi.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/standard-headers/linux/virtio_scsi.h b/include/standard-headers/linux/virtio_scsi.h
index 78ba9d3635..ab66166b6a 100644
--- a/include/standard-headers/linux/virtio_scsi.h
+++ b/include/standard-headers/linux/virtio_scsi.h
@@ -29,8 +29,16 @@
#include "standard-headers/linux/virtio_types.h"
-#define VIRTIO_SCSI_CDB_SIZE 32
-#define VIRTIO_SCSI_SENSE_SIZE 96
+/* Default values of the CDB and sense data size configuration fields */
+#define VIRTIO_SCSI_CDB_DEFAULT_SIZE 32
+#define VIRTIO_SCSI_SENSE_DEFAULT_SIZE 96
+
+#ifndef VIRTIO_SCSI_CDB_SIZE
+#define VIRTIO_SCSI_CDB_SIZE VIRTIO_SCSI_CDB_DEFAULT_SIZE
+#endif
+#ifndef VIRTIO_SCSI_SENSE_SIZE
+#define VIRTIO_SCSI_SENSE_SIZE VIRTIO_SCSI_SENSE_DEFAULT_SIZE
+#endif
/* SCSI command request, followed by data-out */
struct virtio_scsi_cmd_req {