.write = average_write,
};
+static ssize_t slots_read(struct file *filp, char __user *buf, size_t count,
+ loff_t *pos)
+{
+ struct mlx5_cmd *cmd;
+ char tbuf[6];
+ int weight;
+ int field;
+ int ret;
+
+ cmd = filp->private_data;
+ weight = bitmap_weight(&cmd->bitmask, cmd->max_reg_cmds);
+ field = cmd->max_reg_cmds - weight;
+ ret = snprintf(tbuf, sizeof(tbuf), "%d\n", field);
+ return simple_read_from_buffer(buf, count, pos, tbuf, ret);
+}
+
+static const struct file_operations slots_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = slots_read,
+};
+
void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev)
{
struct mlx5_cmd_stats *stats;
cmd = &dev->priv.dbg.cmdif_debugfs;
*cmd = debugfs_create_dir("commands", dev->priv.dbg.dbg_root);
+ debugfs_create_file("slots_inuse", 0400, *cmd, &dev->cmd, &slots_fops);
+
for (i = 0; i < MLX5_CMD_OP_MAX; i++) {
stats = &dev->cmd.stats[i];
namep = mlx5_command_str(i);