--- /dev/null
+// 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);
+}
projects / users / dwmw2 / linux.git / commitdiff