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