[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/rdma/rw.h b/src/kernel/linux/v4.14/include/rdma/rw.h
new file mode 100644
index 0000000..a3cbbc7
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/rdma/rw.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2016 HGST, a Western Digital Company.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+#ifndef _RDMA_RW_H
+#define _RDMA_RW_H
+
+#include <linux/dma-mapping.h>
+#include <linux/scatterlist.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/rdma_cm.h>
+#include <rdma/mr_pool.h>
+
+struct rdma_rw_ctx {
+ /* number of RDMA READ/WRITE WRs (not counting MR WRs) */
+ u32 nr_ops;
+
+ /* tag for the union below: */
+ u8 type;
+
+ union {
+ /* for mapping a single SGE: */
+ struct {
+ struct ib_sge sge;
+ struct ib_rdma_wr wr;
+ } single;
+
+ /* for mapping of multiple SGEs: */
+ struct {
+ struct ib_sge *sges;
+ struct ib_rdma_wr *wrs;
+ } map;
+
+ /* for registering multiple WRs: */
+ struct rdma_rw_reg_ctx {
+ struct ib_sge sge;
+ struct ib_rdma_wr wr;
+ struct ib_reg_wr reg_wr;
+ struct ib_send_wr inv_wr;
+ struct ib_mr *mr;
+ } *reg;
+
+ struct {
+ struct rdma_rw_reg_ctx data;
+ struct rdma_rw_reg_ctx prot;
+ struct ib_send_wr sig_inv_wr;
+ struct ib_mr *sig_mr;
+ struct ib_sge sig_sge;
+ struct ib_sig_handover_wr sig_wr;
+ } *sig;
+ };
+};
+
+int rdma_rw_ctx_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num,
+ struct scatterlist *sg, u32 sg_cnt, u32 sg_offset,
+ u64 remote_addr, u32 rkey, enum dma_data_direction dir);
+void rdma_rw_ctx_destroy(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num,
+ struct scatterlist *sg, u32 sg_cnt,
+ enum dma_data_direction dir);
+
+int rdma_rw_ctx_signature_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp,
+ u8 port_num, struct scatterlist *sg, u32 sg_cnt,
+ struct scatterlist *prot_sg, u32 prot_sg_cnt,
+ struct ib_sig_attrs *sig_attrs, u64 remote_addr, u32 rkey,
+ enum dma_data_direction dir);
+void rdma_rw_ctx_destroy_signature(struct rdma_rw_ctx *ctx, struct ib_qp *qp,
+ u8 port_num, struct scatterlist *sg, u32 sg_cnt,
+ struct scatterlist *prot_sg, u32 prot_sg_cnt,
+ enum dma_data_direction dir);
+
+struct ib_send_wr *rdma_rw_ctx_wrs(struct rdma_rw_ctx *ctx, struct ib_qp *qp,
+ u8 port_num, struct ib_cqe *cqe, struct ib_send_wr *chain_wr);
+int rdma_rw_ctx_post(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num,
+ struct ib_cqe *cqe, struct ib_send_wr *chain_wr);
+
+unsigned int rdma_rw_mr_factor(struct ib_device *device, u8 port_num,
+ unsigned int maxpages);
+void rdma_rw_init_qp(struct ib_device *dev, struct ib_qp_init_attr *attr);
+int rdma_rw_init_mrs(struct ib_qp *qp, struct ib_qp_init_attr *attr);
+void rdma_rw_cleanup_mrs(struct ib_qp *qp);
+
+#endif /* _RDMA_RW_H */