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authorJack Morgenstein <jackm@dev.mellanox.co.il>2007-06-07 23:24:38 -0700
committerRoland Dreier <rolandd@cisco.com>2007-06-07 23:24:38 -0700
commitb2d9308ae43a9cfa56cc9682dc6ed63347a8d2bf (patch)
treecfffa29e48314d38b23e69e3db94751277ed26d4 /drivers/net/mlx4/mr.c
parentfe40900f408642e772739088d30636e2f3f7d0d8 (diff)
downloadlinux-linaro-android-b2d9308ae43a9cfa56cc9682dc6ed63347a8d2bf.tar.gz
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/net/mlx4/mr.c')
-rw-r--r--drivers/net/mlx4/mr.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index b33864dab17..d0808fa3ec8 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));