text: /*
   * Copyright (c) 2006, 2007 Cisco Systems, Inc.  All rights reserved.
   * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
   *
   * This software is available to you under a choice of one of two
   * licenses.  You may choose to be licensed under the terms of the GNU
   * General Public License (GPL) Version 2, available from the file
   * COPYING in the main directory of this source tree, or the
   * OpenIB.org BSD license below:
   *
   *     Redistribution and use in source and binary forms, with or
   *     without modification, are permitted provided that the following
   *     conditions are met:
   *
   *      - Redistributions of source code must retain the above
   *        copyright notice, this list of conditions and the following
   *        disclaimer.
   *
   *      - Redistributions in binary form must reproduce the above
   *        copyright notice, this list of conditions and the following
   *        disclaimer in the documentation and/or other materials
   *        provided with the distribution.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  #include <linux/init.h>
  #include <linux/errno.h>
  
  #include "mlx4.h"
  
  int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn)
  {
  	struct mlx4_priv *priv = mlx4_priv(dev);
  
  	*xrcdn = mlx4_bitmap_alloc(&priv->xrcd_bitmap);
  	if (*xrcdn == -1)
  		return -ENOMEM;
  
  	return 0;
  }
  EXPORT_SYMBOL_GPL(mlx4_xrcd_alloc);
  
  void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn)
  {
  	mlx4_bitmap_free(&mlx4_priv(dev)->xrcd_bitmap, xrcdn);
  }
  EXPORT_SYMBOL_GPL(mlx4_xrcd_free);
  
  int __devinit mlx4_init_xrcd_table(struct mlx4_dev *dev)
  {
  	struct mlx4_priv *priv = mlx4_priv(dev);
  
  	return mlx4_bitmap_init(&priv->xrcd_bitmap, (1 << 16),
  				(1 << 16) - 1, dev->caps.reserved_xrcds + 1, 0);
  }
  
  void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev)
  {
  	mlx4_bitmap_cleanup(&mlx4_priv(dev)->xrcd_bitmap);
  }
  
  
  