diff options
| author | Eli Cohen <eli@dev.mellanox.co.il> | 2014-01-14 17:45:19 +0200 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-01-22 23:23:50 -0800 |
| commit | db81a5c374b5bd650c5e6ae85d026709751db103 (patch) | |
| tree | 5567376f685a054973bc83b9b3a4d9309f8c41e2 /drivers/net/ethernet | |
| parent | bde51583f49bd87e452e9504d489926638046b11 (diff) | |
mlx5_core: Improve debugfs readability
Use strings to display transport service or state of QPs. Use numeric
value for MTU of a QP.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/debugfs.c | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c index 80f6d127257a..10e1f1a18255 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c @@ -275,7 +275,7 @@ void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev) } static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, - int index) + int index, int *is_str) { struct mlx5_query_qp_mbox_out *out; struct mlx5_qp_context *ctx; @@ -293,19 +293,40 @@ static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, goto out; } + *is_str = 0; ctx = &out->ctx; switch (index) { case QP_PID: param = qp->pid; break; case QP_STATE: - param = be32_to_cpu(ctx->flags) >> 28; + param = (u64)mlx5_qp_state_str(be32_to_cpu(ctx->flags) >> 28); + *is_str = 1; break; case QP_XPORT: - param = (be32_to_cpu(ctx->flags) >> 16) & 0xff; + param = (u64)mlx5_qp_type_str((be32_to_cpu(ctx->flags) >> 16) & 0xff); + *is_str = 1; break; case QP_MTU: - param = ctx->mtu_msgmax >> 5; + switch (ctx->mtu_msgmax >> 5) { + case IB_MTU_256: + param = 256; + break; + case IB_MTU_512: + param = 512; + break; + case IB_MTU_1024: + param = 1024; + break; + case IB_MTU_2048: + param = 2048; + break; + case IB_MTU_4096: + param = 4096; + break; + default: + param = 0; + } break; case QP_N_RECV: param = 1 << ((ctx->rq_size_stride >> 3) & 0xf); @@ -414,6 +435,7 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, struct mlx5_field_desc *desc; struct mlx5_rsc_debug *d; char tbuf[18]; + int is_str = 0; u64 field; int ret; @@ -424,7 +446,7 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, d = (void *)(desc - desc->i) - sizeof(*d); switch (d->type) { case MLX5_DBG_RSC_QP: - field = qp_read_field(d->dev, d->object, desc->i); + field = qp_read_field(d->dev, d->object, desc->i, &is_str); break; case MLX5_DBG_RSC_EQ: @@ -440,7 +462,12 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, return -EINVAL; } - ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field); + + if (is_str) + ret = snprintf(tbuf, sizeof(tbuf), "%s\n", (const char *)field); + else + ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field); + if (ret > 0) { if (copy_to_user(buf, tbuf, ret)) return -EFAULT; |