Add the number of zsda devices.

Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
 config/rte_config.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/config/rte_config.h b/config/rte_config.h
index dd7bb0d35b..e1e85b3291 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -117,6 +117,10 @@
 #define RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS 16
 #define RTE_PMD_QAT_COMP_IM_BUFFER_SIZE 65536
 
+/* ZSDA device */
+/* Max. number of ZSDA devices which can be attached */
+#define RTE_PMD_ZSDA_MAX_PCI_DEVICES 256
+
 /* virtio crypto defines */
 #define RTE_MAX_VIRTIO_CRYPTO 32
 
-- 
2.27.0