2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include <asm/page.h> /* PAGE_SHIFT */
37 #include "mthca_dev.h"
38 #include "mthca_memfree.h"
40 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar)
42 uar->index = mthca_alloc(&dev->uar_table.alloc);
46 uar->pfn = (pci_resource_start(dev->pdev, 2) >> PAGE_SHIFT) + uar->index;
51 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar)
53 mthca_free(&dev->uar_table.alloc, uar->index);
56 int mthca_init_uar_table(struct mthca_dev *dev)
60 ret = mthca_alloc_init(&dev->uar_table.alloc,
62 dev->limits.num_uars - 1,
63 dev->limits.reserved_uars);
67 ret = mthca_init_db_tab(dev);
69 mthca_alloc_cleanup(&dev->uar_table.alloc);
74 void mthca_cleanup_uar_table(struct mthca_dev *dev)
76 mthca_cleanup_db_tab(dev);
78 /* XXX check if any UARs are still allocated? */
79 mthca_alloc_cleanup(&dev->uar_table.alloc);