2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Cisco Systems. All rights reserved.
4 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 * $Id: mthca_pd.c 1349 2004-12-16 21:09:43Z roland $
37 #include <linux/init.h>
38 #include <linux/errno.h>
40 #include "mthca_dev.h"
42 int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd)
46 pd->privileged = privileged;
48 atomic_set(&pd->sqp_count, 0);
49 pd->pd_num = mthca_alloc(&dev->pd_table.alloc);
54 err = mthca_mr_alloc_notrans(dev, pd->pd_num,
55 MTHCA_MPT_FLAG_LOCAL_READ |
56 MTHCA_MPT_FLAG_LOCAL_WRITE,
59 mthca_free(&dev->pd_table.alloc, pd->pd_num);
65 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd)
68 mthca_free_mr(dev, &pd->ntmr);
69 mthca_free(&dev->pd_table.alloc, pd->pd_num);
72 int __devinit mthca_init_pd_table(struct mthca_dev *dev)
74 return mthca_alloc_init(&dev->pd_table.alloc,
77 dev->limits.reserved_pds);
80 void mthca_cleanup_pd_table(struct mthca_dev *dev)
82 /* XXX check if any PDs are still allocated? */
83 mthca_alloc_cleanup(&dev->pd_table.alloc);