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mlx5_core: Store MR attributes in mlx5_mr_core during creation and after UMR 

The patch stores iova, pd and size during mr creation and after UMRs
that modify them.  It removes the unused access flags field.

Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Haggai Eran 2014-05-22 14:50:10 +03:00 committed by Roland Dreier
parent 8605933a22
commit b475598aec
3 changed files with 8 additions and 1 deletions
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4
drivers/infiniband/hw/mlx5/mr.c
View File

@ -794,6 +794,10 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
err = -EFAULT;
}
mr->mmr.iova = virt_addr;
mr->mmr.size = len;
mr->mmr.pd = to_mpd(pd)->pdn;
unmap_dma:
up(&umrc->sem);
dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE);

4
drivers/net/ethernet/mellanox/mlx5/core/mr.c
View File

@ -82,7 +82,11 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
return mlx5_cmd_status_to_err(&lout.hdr);
}
mr->iova = be64_to_cpu(in->seg.start_addr);
mr->size = be64_to_cpu(in->seg.len);
mr->key = mlx5_idx_to_mkey(be32_to_cpu(lout.mkey) & 0xffffff) | key;
mr->pd = be32_to_cpu(in->seg.flags_pd) & 0xffffff;
mlx5_core_dbg(dev, "out 0x%x, key 0x%x, mkey 0x%x\n",
be32_to_cpu(lout.mkey), key, mr->key);

1
include/linux/mlx5/driver.h
View File

@ -427,7 +427,6 @@ struct mlx5_core_mr {
u64 size;
u32 key;
u32 pd;
u32 access;
};
struct mlx5_core_srq {