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| author |   Jack Morgenstein <jackm@dev.mellanox.co.il> | 2010-01-06 12:48:55 -0800 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2010-01-06 12:48:55 -0800 |
| commit | 4c425588e0d72c9c55024752b0f6e709c96787ff (patch) | |
| tree | 297a74410fb03c3df2c8625a48ee4b747cf2ee88 /drivers/infiniband/hw/mlx4/srq.c | |
| parent | Linux 2.6.33-rc2 (diff) | |
| download | linux-dev-4c425588e0d72c9c55024752b0f6e709c96787ff.tar.xz linux-dev-4c425588e0d72c9c55024752b0f6e709c96787ff.zip | |
IB/mlx4: Initialize SRQ scatter entries when creating an SRQ
As for memfree mthca hardware, ConnectX also requires SRQ WQE scatter
entries to be initialized with the invalid L_Key at SRQ creation time.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/srq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/srq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index d42565258fb7..cf8085bcbd6d 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -74,6 +74,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, struct mlx4_ib_dev *dev = to_mdev(pd->device); struct mlx4_ib_srq *srq; struct mlx4_wqe_srq_next_seg *next; + struct mlx4_wqe_data_seg *scatter; int desc_size; int buf_size; int err; @@ -149,6 +150,11 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, next = get_wqe(srq, i); next->next_wqe_index = cpu_to_be16((i + 1) & (srq->msrq.max - 1)); + + for (scatter = (void *) (next + 1); + (void *) scatter < (void *) next + desc_size; + ++scatter) + scatter->lkey = cpu_to_be32(MLX4_INVALID_LKEY); } err = mlx4_mtt_init(dev->dev, srq->buf.npages, srq->buf.page_shift, |