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net/mlx5: Replace hand written QP context struct with automatic getters

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By changing debugfs to not use any QP related API, convert the debugfs
code to use MLX5_GET() directly to access QP context instead of hand
written struct.

Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Leon Romanovsky 2020-04-06 15:53:06 +03:00
parent f93f4f4f31
commit 57a6c5e992
1 changed files with 20 additions and 31 deletions
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51
drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
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@ -202,42 +202,37 @@ 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 *is_str)
{
int outlen = MLX5_ST_SZ_BYTES(query_qp_out);
struct mlx5_qp_context *ctx;
u32 out[MLX5_ST_SZ_BYTES(query_qp_out)] = {};
u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {};
u64 param = 0;
u32 *out;
int state;
u32 *qpc;
int err;
int no_sq;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
return param;
err = mlx5_core_qp_query(dev, qp, out, outlen);
if (err) {
mlx5_core_warn(dev, "failed to query qp err=%d\n", err);
goto out;
}
MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
MLX5_SET(query_qp_in, in, qpn, qp->qpn);
err = mlx5_cmd_exec_inout(dev, query_qp, in, out);
if (err)
return 0;
*is_str = 0;
/* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */
ctx = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, out, qpc);
qpc = MLX5_ADDR_OF(query_qp_out, out, qpc);
switch (index) {
case QP_PID:
param = qp->pid;
break;
case QP_STATE:
param = (unsigned long)mlx5_qp_state_str(be32_to_cpu(ctx->flags) >> 28);
state = MLX5_GET(qpc, qpc, state);
param = (unsigned long)mlx5_qp_state_str(state);
*is_str = 1;
break;
case QP_XPORT:
param = (unsigned long)mlx5_qp_type_str((be32_to_cpu(ctx->flags) >> 16) & 0xff);
param = (unsigned long)mlx5_qp_type_str(MLX5_GET(qpc, qpc, st));
*is_str = 1;
break;
case QP_MTU:
switch (ctx->mtu_msgmax >> 5) {
switch (MLX5_GET(qpc, qpc, mtu)) {
case IB_MTU_256:
param = 256;
break;
@ -258,29 +253,23 @@ static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
}
break;
case QP_N_RECV:
param = 1 << ((ctx->rq_size_stride >> 3) & 0xf);
param = 1 << MLX5_GET(qpc, qpc, log_rq_size);
break;
case QP_RECV_SZ:
param = 1 << ((ctx->rq_size_stride & 7) + 4);
param = 1 << (MLX5_GET(qpc, qpc, log_rq_stride) + 4);
break;
case QP_N_SEND:
no_sq = be16_to_cpu(ctx->sq_crq_size) >> 15;
if (!no_sq)
param = 1 << (be16_to_cpu(ctx->sq_crq_size) >> 11);
else
param = 0;
if (!MLX5_GET(qpc, qpc, no_sq))
param = 1 << MLX5_GET(qpc, qpc, log_sq_size);
break;
case QP_LOG_PG_SZ:
param = (be32_to_cpu(ctx->log_pg_sz_remote_qpn) >> 24) & 0x1f;
param += 12;
param = MLX5_GET(qpc, qpc, log_page_size) + 12;
break;
case QP_RQPN:
param = be32_to_cpu(ctx->log_pg_sz_remote_qpn) & 0xffffff;
param = MLX5_GET(qpc, qpc, remote_qpn);
break;
}
out:
kfree(out);
return param;
}