RDMA/mlx5: Move all WR logic from qp.c to separate file

Split qp.c by removing all WR logic to separate file.

Link: https://lore.kernel.org/r/20200506065513.4668-4-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/Makefile

@@ -16,7 +16,8 @@ mlx5_ib-y := ah.o \
 	     qpc.o \
 	     restrack.o \
 	     srq.o \
-	     srq_cmd.o
+	     srq_cmd.o \
+	     wr.o
 
 mlx5_ib-$(CONFIG_INFINIBAND_ON_DEMAND_PAGING) += odp.o
 mlx5_ib-$(CONFIG_MLX5_ESWITCH) += ib_rep.o

drivers/infiniband/hw/mlx5/main.c

@@ -61,6 +61,7 @@
 #include "cmd.h"
 #include "srq.h"
 #include "qp.h"
+#include "wr.h"
 #include <linux/mlx5/fs_helpers.h>
 #include <linux/mlx5/accel.h>
 #include <rdma/uverbs_std_types.h>
@@ -6657,8 +6658,8 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
 	.modify_qp = mlx5_ib_modify_qp,
 	.modify_srq = mlx5_ib_modify_srq,
 	.poll_cq = mlx5_ib_poll_cq,
-	.post_recv = mlx5_ib_post_recv,
-	.post_send = mlx5_ib_post_send,
+	.post_recv = mlx5_ib_post_recv_nodrain,
+	.post_send = mlx5_ib_post_send_nodrain,
 	.post_srq_recv = mlx5_ib_post_srq_recv,
 	.process_mad = mlx5_ib_process_mad,
 	.query_ah = mlx5_ib_query_ah,

drivers/infiniband/hw/mlx5/mlx5_ib.h

@@ -1178,10 +1178,6 @@ int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr
 int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
 void mlx5_ib_drain_sq(struct ib_qp *qp);
 void mlx5_ib_drain_rq(struct ib_qp *qp);
-int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
-		      const struct ib_send_wr **bad_wr);
-int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
-		      const struct ib_recv_wr **bad_wr);
 int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer,
 			size_t buflen, size_t *bc);
 int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer,