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IB/mlx5: Multithreaded create MR

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Use asynchronous commands to execute up to eight concurrent create MR
commands. This is to fill memory caches faster so we keep consuming
from there.  Also, increase timeout for shrinking caches to five
minutes.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Eli Cohen
2013-10-23 09:53:14 +03:00
committed by Roland Dreier
parent 51ee86a4af
commit 746b5583c1
8 changed files with 255 additions and 84 deletions
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4
drivers/infiniband/hw/mlx5/qp.c
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@@ -1744,6 +1744,7 @@ static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
MLX5_MKEY_MASK_PD |
MLX5_MKEY_MASK_LR |
MLX5_MKEY_MASK_LW |
MLX5_MKEY_MASK_KEY |
MLX5_MKEY_MASK_RR |
MLX5_MKEY_MASK_RW |
MLX5_MKEY_MASK_A |
@@ -1800,7 +1801,8 @@ static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *w
seg->start_addr = cpu_to_be64(wr->wr.fast_reg.iova_start);
seg->len = cpu_to_be64(wr->wr.fast_reg.length);
seg->log2_page_size = wr->wr.fast_reg.page_shift;
seg->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
seg->qpn_mkey7_0 = cpu_to_be32(0xffffff00 |
mlx5_mkey_variant(wr->wr.fast_reg.rkey));
}
static void set_frwr_pages(struct mlx5_wqe_data_seg *dseg,