1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/misc/mic/common/mic_dev.h b/drivers/misc/mic/common/mic_dev.h
index 0b58c46045dc..50776772ebdf 100644
--- a/drivers/misc/mic/common/mic_dev.h
+++ b/drivers/misc/mic/common/mic_dev.h
@@ -21,6 +21,19 @@
 #ifndef __MIC_DEV_H__
 #define __MIC_DEV_H__
 
+/* The maximum number of MIC devices supported in a single host system. */
+#define MIC_MAX_NUM_DEVS 128
+
+/**
+ * enum mic_hw_family - The hardware family to which a device belongs.
+ */
+enum mic_hw_family {
+        MIC_FAMILY_X100 = 0,
+        MIC_FAMILY_X200,
+        MIC_FAMILY_UNKNOWN,
+        MIC_FAMILY_LAST
+};
+
 /**
  * struct mic_mw - MIC memory window
  *