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authorEli Cohen <eli@dev.mellanox.co.il>2013-10-24 12:01:03 +0300
committerRoland Dreier <roland@purestorage.com>2013-11-08 14:43:01 -0800
commit1b77d2bd753d119eedcbc08fda58934307676554 (patch)
tree7f2e6dfe67f82b37c17e83a73dd5f00751a47505 /drivers/infiniband
parentc2a3431e6153ed90911704356bc1e869624e118d (diff)
downloadtalos-obmc-linux-1b77d2bd753d119eedcbc08fda58934307676554.tar.gz
talos-obmc-linux-1b77d2bd753d119eedcbc08fda58934307676554.zip
mlx5: Use enum to indicate adapter page size
The Connect-IB adapter has an inherent page size which equals 4K. Define an new enum that equals the page shift and use it instead of using the value 12 throughout the code. Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx5/cq.c2
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c5
-rw-r--r--drivers/infiniband/hw/mlx5/srq.c4
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index eecac7b52bcb..28344773f640 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -620,7 +620,7 @@ static int create_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
}
mlx5_fill_page_array(&cq->buf.buf, (*cqb)->pas);
- (*cqb)->ctx.log_pg_sz = cq->buf.buf.page_shift - 12;
+ (*cqb)->ctx.log_pg_sz = cq->buf.buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT;
*index = dev->mdev.priv.uuari.uars[0].index;
return 0;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 5bcf57943b84..7c6b4ba49bec 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -551,7 +551,7 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
}
mlx5_ib_populate_pas(dev, qp->umem, page_shift, (*in)->pas, 0);
(*in)->ctx.log_pg_sz_remote_qpn =
- cpu_to_be32((page_shift - 12) << 24);
+ cpu_to_be32((page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24);
(*in)->ctx.params2 = cpu_to_be32(offset << 6);
(*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index);
@@ -648,7 +648,8 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
goto err_buf;
}
(*in)->ctx.qp_counter_set_usr_page = cpu_to_be32(uar_index);
- (*in)->ctx.log_pg_sz_remote_qpn = cpu_to_be32((qp->buf.page_shift - 12) << 24);
+ (*in)->ctx.log_pg_sz_remote_qpn =
+ cpu_to_be32((qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT) << 24);
/* Set "fast registration enabled" for all kernel QPs */
(*in)->ctx.params1 |= cpu_to_be32(1 << 11);
(*in)->ctx.sq_crq_size |= cpu_to_be16(1 << 4);
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index dbc2c7188c5e..210b3eaf188a 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -123,7 +123,7 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
goto err_in;
}
- (*in)->ctx.log_pg_sz = page_shift - 12;
+ (*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
(*in)->ctx.pgoff_cqn = cpu_to_be32(offset << 26);
return 0;
@@ -192,7 +192,7 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
}
srq->wq_sig = !!srq_signature;
- (*in)->ctx.log_pg_sz = page_shift - 12;
+ (*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
return 0;
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