diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/esw/debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/esw/debugfs.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/debugfs.c new file mode 100644 index 000000000..2db13c71e --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/debugfs.c @@ -0,0 +1,182 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ + +#include <linux/debugfs.h> +#include "eswitch.h" + +enum vnic_diag_counter { + MLX5_VNIC_DIAG_TOTAL_Q_UNDER_PROCESSOR_HANDLE, + MLX5_VNIC_DIAG_SEND_QUEUE_PRIORITY_UPDATE_FLOW, + MLX5_VNIC_DIAG_COMP_EQ_OVERRUN, + MLX5_VNIC_DIAG_ASYNC_EQ_OVERRUN, + MLX5_VNIC_DIAG_CQ_OVERRUN, + MLX5_VNIC_DIAG_INVALID_COMMAND, + MLX5_VNIC_DIAG_QOUTA_EXCEEDED_COMMAND, +}; + +static int mlx5_esw_query_vnic_diag(struct mlx5_vport *vport, enum vnic_diag_counter counter, + u32 *val) +{ + u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {}; + u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {}; + struct mlx5_core_dev *dev = vport->dev; + u16 vport_num = vport->vport; + void *vnic_diag_out; + int err; + + MLX5_SET(query_vnic_env_in, in, opcode, MLX5_CMD_OP_QUERY_VNIC_ENV); + MLX5_SET(query_vnic_env_in, in, vport_number, vport_num); + if (!mlx5_esw_is_manager_vport(dev->priv.eswitch, vport_num)) + MLX5_SET(query_vnic_env_in, in, other_vport, 1); + + err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + if (err) + return err; + + vnic_diag_out = MLX5_ADDR_OF(query_vnic_env_out, out, vport_env); + switch (counter) { + case MLX5_VNIC_DIAG_TOTAL_Q_UNDER_PROCESSOR_HANDLE: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, total_error_queues); + break; + case MLX5_VNIC_DIAG_SEND_QUEUE_PRIORITY_UPDATE_FLOW: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, + send_queue_priority_update_flow); + break; + case MLX5_VNIC_DIAG_COMP_EQ_OVERRUN: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, comp_eq_overrun); + break; + case MLX5_VNIC_DIAG_ASYNC_EQ_OVERRUN: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, async_eq_overrun); + break; + case MLX5_VNIC_DIAG_CQ_OVERRUN: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, cq_overrun); + break; + case MLX5_VNIC_DIAG_INVALID_COMMAND: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, invalid_command); + break; + case MLX5_VNIC_DIAG_QOUTA_EXCEEDED_COMMAND: + *val = MLX5_GET(vnic_diagnostic_statistics, vnic_diag_out, quota_exceeded_command); + break; + } + + return 0; +} + +static int __show_vnic_diag(struct seq_file *file, struct mlx5_vport *vport, + enum vnic_diag_counter type) +{ + u32 val = 0; + int ret; + + ret = mlx5_esw_query_vnic_diag(vport, type, &val); + if (ret) + return ret; + + seq_printf(file, "%d\n", val); + return 0; +} + +static int total_q_under_processor_handle_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, MLX5_VNIC_DIAG_TOTAL_Q_UNDER_PROCESSOR_HANDLE); +} + +static int send_queue_priority_update_flow_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, + MLX5_VNIC_DIAG_SEND_QUEUE_PRIORITY_UPDATE_FLOW); +} + +static int comp_eq_overrun_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, MLX5_VNIC_DIAG_COMP_EQ_OVERRUN); +} + +static int async_eq_overrun_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, MLX5_VNIC_DIAG_ASYNC_EQ_OVERRUN); +} + +static int cq_overrun_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, MLX5_VNIC_DIAG_CQ_OVERRUN); +} + +static int invalid_command_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, MLX5_VNIC_DIAG_INVALID_COMMAND); +} + +static int quota_exceeded_command_show(struct seq_file *file, void *priv) +{ + return __show_vnic_diag(file, file->private, MLX5_VNIC_DIAG_QOUTA_EXCEEDED_COMMAND); +} + +DEFINE_SHOW_ATTRIBUTE(total_q_under_processor_handle); +DEFINE_SHOW_ATTRIBUTE(send_queue_priority_update_flow); +DEFINE_SHOW_ATTRIBUTE(comp_eq_overrun); +DEFINE_SHOW_ATTRIBUTE(async_eq_overrun); +DEFINE_SHOW_ATTRIBUTE(cq_overrun); +DEFINE_SHOW_ATTRIBUTE(invalid_command); +DEFINE_SHOW_ATTRIBUTE(quota_exceeded_command); + +void mlx5_esw_vport_debugfs_destroy(struct mlx5_eswitch *esw, u16 vport_num) +{ + struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num); + + debugfs_remove_recursive(vport->dbgfs); + vport->dbgfs = NULL; +} + +/* vnic diag dir name is "pf", "ecpf" or "{vf/sf}_xxxx" */ +#define VNIC_DIAG_DIR_NAME_MAX_LEN 8 + +void mlx5_esw_vport_debugfs_create(struct mlx5_eswitch *esw, u16 vport_num, bool is_sf, u16 sf_num) +{ + struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num); + struct dentry *vnic_diag; + char dir_name[VNIC_DIAG_DIR_NAME_MAX_LEN]; + int err; + + if (!MLX5_CAP_GEN(esw->dev, vport_group_manager)) + return; + + if (vport_num == MLX5_VPORT_PF) { + strcpy(dir_name, "pf"); + } else if (vport_num == MLX5_VPORT_ECPF) { + strcpy(dir_name, "ecpf"); + } else { + err = snprintf(dir_name, VNIC_DIAG_DIR_NAME_MAX_LEN, "%s_%d", is_sf ? "sf" : "vf", + is_sf ? sf_num : vport_num - MLX5_VPORT_FIRST_VF); + if (WARN_ON(err < 0)) + return; + } + + vport->dbgfs = debugfs_create_dir(dir_name, esw->dbgfs); + vnic_diag = debugfs_create_dir("vnic_diag", vport->dbgfs); + + if (MLX5_CAP_GEN(esw->dev, vnic_env_queue_counters)) { + debugfs_create_file("total_q_under_processor_handle", 0444, vnic_diag, vport, + &total_q_under_processor_handle_fops); + debugfs_create_file("send_queue_priority_update_flow", 0444, vnic_diag, vport, + &send_queue_priority_update_flow_fops); + } + + if (MLX5_CAP_GEN(esw->dev, eq_overrun_count)) { + debugfs_create_file("comp_eq_overrun", 0444, vnic_diag, vport, + &comp_eq_overrun_fops); + debugfs_create_file("async_eq_overrun", 0444, vnic_diag, vport, + &async_eq_overrun_fops); + } + + if (MLX5_CAP_GEN(esw->dev, vnic_env_cq_overrun)) + debugfs_create_file("cq_overrun", 0444, vnic_diag, vport, &cq_overrun_fops); + + if (MLX5_CAP_GEN(esw->dev, invalid_command_count)) + debugfs_create_file("invalid_command", 0444, vnic_diag, vport, + &invalid_command_fops); + + if (MLX5_CAP_GEN(esw->dev, quota_exceeded_count)) + debugfs_create_file("quota_exceeded_command", 0444, vnic_diag, vport, + "a_exceeded_command_fops); +} |