diff options
| author | Sagi Grimberg | 2014-02-23 14:19:12 +0200 |
|---|---|---|
| committer | Roland Dreier | 2014-03-07 11:40:04 -0800 |
| commit | d5436ba01075ef4629015f7a00914d64ffd795d6 (patch) | |
| tree | 1eb91ca4b7454c86c01fa794f93250203c37023c /include/linux/mlx5 | |
| parent | e6631814fb3ac454fbbf47ea343c2b9508e4e1ba (diff) | |
IB/mlx5: Collect signature error completion
This commit takes care of the generated signature error CQE generated
by the HW (if happened). The underlying mlx5 driver will handle
signature error completions and will mark the relevant memory region
as dirty.
Once the consumer gets the completion for the transaction, it must
check for signature errors on signature memory region using a new
lightweight verb ib_check_mr_status().
In case the user doesn't check for signature error (i.e. doesn't call
ib_check_mr_status() with status check IB_MR_CHECK_SIG_STATUS), the
memory region cannot be used for another signature operation
(REG_SIG_MR work request will fail).
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include/linux/mlx5')
| -rw-r--r-- | include/linux/mlx5/cq.h | 1 | ||||
| -rw-r--r-- | include/linux/mlx5/device.h | 18 | ||||
| -rw-r--r-- | include/linux/mlx5/driver.h | 4 | ||||
| -rw-r--r-- | include/linux/mlx5/qp.h | 5 |
4 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h index 2202c7f72b75..f6b17ac601bd 100644 --- a/include/linux/mlx5/cq.h +++ b/include/linux/mlx5/cq.h @@ -80,6 +80,7 @@ enum { MLX5_CQE_RESP_SEND_IMM = 3, MLX5_CQE_RESP_SEND_INV = 4, MLX5_CQE_RESIZE_CQ = 5, + MLX5_CQE_SIG_ERR = 12, MLX5_CQE_REQ_ERR = 13, MLX5_CQE_RESP_ERR = 14, MLX5_CQE_INVALID = 15, diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index f714fc427765..407bdb67fd4f 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -118,6 +118,7 @@ enum { MLX5_MKEY_MASK_START_ADDR = 1ull << 6, MLX5_MKEY_MASK_PD = 1ull << 7, MLX5_MKEY_MASK_EN_RINVAL = 1ull << 8, + MLX5_MKEY_MASK_EN_SIGERR = 1ull << 9, MLX5_MKEY_MASK_BSF_EN = 1ull << 12, MLX5_MKEY_MASK_KEY = 1ull << 13, MLX5_MKEY_MASK_QPN = 1ull << 14, @@ -557,6 +558,23 @@ struct mlx5_cqe64 { u8 op_own; }; +struct mlx5_sig_err_cqe { + u8 rsvd0[16]; + __be32 expected_trans_sig; + __be32 actual_trans_sig; + __be32 expected_reftag; + __be32 actual_reftag; + __be16 syndrome; + u8 rsvd22[2]; + __be32 mkey; + __be64 err_offset; + u8 rsvd30[8]; + __be32 qpn; + u8 rsvd38[2]; + u8 signature; + u8 op_own; +}; + struct mlx5_wqe_srq_next_seg { u8 rsvd0[2]; __be16 next_wqe_index; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index e562e01e59c7..93cef6313e72 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -416,6 +416,10 @@ struct mlx5_core_psv { struct mlx5_core_sig_ctx { struct mlx5_core_psv psv_memory; struct mlx5_core_psv psv_wire; + struct ib_sig_err err_item; + bool sig_status_checked; + bool sig_err_exists; + u32 sigerr_count; }; struct mlx5_core_mr { diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 49af74f90ef9..f829ad80ff28 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -506,6 +506,11 @@ static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u return radix_tree_lookup(&dev->priv.qp_table.tree, qpn); } +static inline struct mlx5_core_mr *__mlx5_mr_lookup(struct mlx5_core_dev *dev, u32 key) +{ + return radix_tree_lookup(&dev->priv.mr_table.tree, key); +} + int mlx5_core_create_qp(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, struct mlx5_create_qp_mbox_in *in, |