1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bng_re/bng_tlv.h b/drivers/infiniband/hw/bng_re/bng_tlv.h
new file mode 100644
index 000000000000..278f4922962d
--- /dev/null
+++ b/drivers/infiniband/hw/bng_re/bng_tlv.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+
+#ifndef __BNG_TLV_H__
+#define __BNG_TLV_H__
+
+#include "roce_hsi.h"
+
+struct roce_tlv {
+	struct tlv tlv;
+	u8 total_size; // in units of 16 byte chunks
+	u8 unused[7];  // for 16 byte alignment
+};
+
+/*
+ * TLV size in units of 16 byte chunks
+ */
+#define TLV_SIZE ((sizeof(struct roce_tlv) + 15) / 16)
+/*
+ * TLV length in bytes
+ */
+#define TLV_BYTES (TLV_SIZE * 16)
+
+#define HAS_TLV_HEADER(msg) (le16_to_cpu(((struct tlv *)(msg))->cmd_discr) == CMD_DISCR_TLV_ENCAP)
+#define GET_TLV_DATA(tlv)   ((void *)&((uint8_t *)(tlv))[TLV_BYTES])
+
+static inline u8 __get_cmdq_base_opcode(struct cmdq_base *req, u32 size)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		return ((struct cmdq_base *)GET_TLV_DATA(req))->opcode;
+	else
+		return req->opcode;
+}
+
+static inline void __set_cmdq_base_opcode(struct cmdq_base *req,
+					  u32 size, u8 val)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		((struct cmdq_base *)GET_TLV_DATA(req))->opcode = val;
+	else
+		req->opcode = val;
+}
+
+static inline __le16 __get_cmdq_base_cookie(struct cmdq_base *req, u32 size)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		return ((struct cmdq_base *)GET_TLV_DATA(req))->cookie;
+	else
+		return req->cookie;
+}
+
+static inline void __set_cmdq_base_cookie(struct cmdq_base *req,
+					  u32 size, __le16 val)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		((struct cmdq_base *)GET_TLV_DATA(req))->cookie = val;
+	else
+		req->cookie = val;
+}
+
+static inline __le64 __get_cmdq_base_resp_addr(struct cmdq_base *req, u32 size)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		return ((struct cmdq_base *)GET_TLV_DATA(req))->resp_addr;
+	else
+		return req->resp_addr;
+}
+
+static inline void __set_cmdq_base_resp_addr(struct cmdq_base *req,
+					     u32 size, __le64 val)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		((struct cmdq_base *)GET_TLV_DATA(req))->resp_addr = val;
+	else
+		req->resp_addr = val;
+}
+
+static inline u8 __get_cmdq_base_resp_size(struct cmdq_base *req, u32 size)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		return ((struct cmdq_base *)GET_TLV_DATA(req))->resp_size;
+	else
+		return req->resp_size;
+}
+
+static inline void __set_cmdq_base_resp_size(struct cmdq_base *req,
+					     u32 size, u8 val)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		((struct cmdq_base *)GET_TLV_DATA(req))->resp_size = val;
+	else
+		req->resp_size = val;
+}
+
+static inline u8 __get_cmdq_base_cmd_size(struct cmdq_base *req, u32 size)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		return ((struct roce_tlv *)(req))->total_size;
+	else
+		return req->cmd_size;
+}
+
+static inline void __set_cmdq_base_cmd_size(struct cmdq_base *req,
+					    u32 size, u8 val)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		((struct cmdq_base *)GET_TLV_DATA(req))->cmd_size = val;
+	else
+		req->cmd_size = val;
+}
+
+static inline __le16 __get_cmdq_base_flags(struct cmdq_base *req, u32 size)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		return ((struct cmdq_base *)GET_TLV_DATA(req))->flags;
+	else
+		return req->flags;
+}
+
+static inline void __set_cmdq_base_flags(struct cmdq_base *req,
+					 u32 size, __le16 val)
+{
+	if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
+		((struct cmdq_base *)GET_TLV_DATA(req))->flags = val;
+	else
+		req->flags = val;
+}
+
+#endif /* __BNG_TLV_H__ */