[PATCH rdma-next 06/10] nvme-rdma: Enable Relaxed Ordering

[Leon Romanovsky]

From: Avihai Horon <avih...@nvidia.com>

Enable Relaxed Ordering for nvme.

Relaxed Ordering is an optional access flag and as such, it is ignored
by vendors that don't support it.

Signed-off-by: Avihai Horon <avih...@nvidia.com>
Reviewed-by: Max Gurtovoy <m...@mellanox.com>
Reviewed-by: Michael Guralnik <michael...@nvidia.com>
Signed-off-by: Leon Romanovsky <leo...@nvidia.com>
---
 drivers/nvme/host/rdma.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 4dbc17311e0b..8f106b20b39c 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -532,9 +532,8 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue 
*queue)
         */
        pages_per_mr = nvme_rdma_get_max_fr_pages(ibdev, queue->pi_support) + 1;
        ret = ib_mr_pool_init(queue->qp, &queue->qp->rdma_mrs,
-                             queue->queue_size,
-                             IB_MR_TYPE_MEM_REG,
-                             pages_per_mr, 0, 0);
+                             queue->queue_size, IB_MR_TYPE_MEM_REG,
+                             pages_per_mr, 0, IB_ACCESS_RELAXED_ORDERING);
        if (ret) {
                dev_err(queue->ctrl->ctrl.device,
                        "failed to initialize MR pool sized %d for QID %d\n",
@@ -545,7 +544,8 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue 
*queue)
        if (queue->pi_support) {
                ret = ib_mr_pool_init(queue->qp, &queue->qp->sig_mrs,
                                      queue->queue_size, IB_MR_TYPE_INTEGRITY,
-                                     pages_per_mr, pages_per_mr, 0);
+                                     pages_per_mr, pages_per_mr,
+                                     IB_ACCESS_RELAXED_ORDERING);
                if (ret) {
                        dev_err(queue->ctrl->ctrl.device,
                                "failed to initialize PI MR pool sized %d for 
QID %d\n",
@@ -1382,9 +1382,9 @@ static int nvme_rdma_map_sg_fr(struct nvme_rdma_queue 
*queue,
        req->reg_wr.wr.num_sge = 0;
        req->reg_wr.mr = req->mr;
        req->reg_wr.key = req->mr->rkey;
-       req->reg_wr.access = IB_ACCESS_LOCAL_WRITE |
-                            IB_ACCESS_REMOTE_READ |
-                            IB_ACCESS_REMOTE_WRITE;
+       req->reg_wr.access = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ |
+                            IB_ACCESS_REMOTE_WRITE |
+                            IB_ACCESS_RELAXED_ORDERING;
 
        sg->addr = cpu_to_le64(req->mr->iova);
        put_unaligned_le24(req->mr->length, sg->length);
@@ -1488,9 +1488,8 @@ static int nvme_rdma_map_sg_pi(struct nvme_rdma_queue 
*queue,
        wr->wr.send_flags = 0;
        wr->mr = req->mr;
        wr->key = req->mr->rkey;
-       wr->access = IB_ACCESS_LOCAL_WRITE |
-                    IB_ACCESS_REMOTE_READ |
-                    IB_ACCESS_REMOTE_WRITE;
+       wr->access = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ |
+                    IB_ACCESS_REMOTE_WRITE | IB_ACCESS_RELAXED_ORDERING;
 
        sg->addr = cpu_to_le64(req->mr->iova);
        put_unaligned_le24(req->mr->length, sg->length);
-- 
2.30.2