diff options
| author | Jack Morgenstein <jackm@dev.mellanox.co.il> | 2007-06-07 23:24:38 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-06-07 23:24:38 -0700 |
| commit | b2d9308ae43a9cfa56cc9682dc6ed63347a8d2bf (patch) | |
| tree | cfffa29e48314d38b23e69e3db94751277ed26d4 /drivers | |
| parent | fe40900f408642e772739088d30636e2f3f7d0d8 (diff) | |
| download | blackbird-op-linux-b2d9308ae43a9cfa56cc9682dc6ed63347a8d2bf.tar.gz blackbird-op-linux-b2d9308ae43a9cfa56cc9682dc6ed63347a8d2bf.zip | |
mlx4_core: Don't set MTT address in dMPT entries with PA set
If a dMPT entry has the PA flag (direct physical address) set, then
the (unused) MTT base address field has to be set to 0.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mlx4/mr.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c index b33864dab179..d0808fa3ec82 100644 --- a/drivers/net/mlx4/mr.c +++ b/drivers/net/mlx4/mr.c @@ -324,15 +324,17 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr) MLX4_MPT_FLAG_MIO | MLX4_MPT_FLAG_REGION | mr->access); - if (mr->mtt.order < 0) - mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL); mpt_entry->key = cpu_to_be32(key_to_hw_index(mr->key)); mpt_entry->pd = cpu_to_be32(mr->pd); mpt_entry->start = cpu_to_be64(mr->iova); mpt_entry->length = cpu_to_be64(mr->size); mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift); - mpt_entry->mtt_seg = cpu_to_be64(mlx4_mtt_addr(dev, &mr->mtt)); + if (mr->mtt.order < 0) { + mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL); + mpt_entry->mtt_seg = 0; + } else + mpt_entry->mtt_seg = cpu_to_be64(mlx4_mtt_addr(dev, &mr->mtt)); err = mlx4_SW2HW_MPT(dev, mailbox, key_to_hw_index(mr->key) & (dev->caps.num_mpts - 1)); |
