1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa_common_defs.h b/drivers/infiniband/hw/efa/efa_common_defs.h
new file mode 100644
index 000000000..90af1c82c
--- /dev/null
+++ b/drivers/infiniband/hw/efa/efa_common_defs.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_COMMON_H_
+#define _EFA_COMMON_H_
+
+#include <linux/bitfield.h>
+
+#define EFA_COMMON_SPEC_VERSION_MAJOR        2
+#define EFA_COMMON_SPEC_VERSION_MINOR        0
+
+#define EFA_GET(ptr, mask) FIELD_GET(mask##_MASK, *(ptr))
+
+#define EFA_SET(ptr, mask, value)                                              \
+	({                                                                     \
+		typeof(ptr) _ptr = ptr;                                        \
+		*_ptr = (*_ptr & ~(mask##_MASK)) |                             \
+			FIELD_PREP(mask##_MASK, value);                        \
+	})
+
+struct efa_common_mem_addr {
+	u32 mem_addr_low;
+
+	u32 mem_addr_high;
+};
+
+#endif /* _EFA_COMMON_H_ */