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81 lines
2.5 KiB
81 lines
2.5 KiB
/* |
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* Copyright (c) 2004 Topspin Communications. All rights reserved. |
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* Copyright (c) 2005 Cisco Systems. All rights reserved. |
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* Copyright (c) 2005 Mellanox Technologies. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#include <linux/errno.h> |
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#include "mthca_dev.h" |
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int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd) |
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{ |
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int err = 0; |
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pd->privileged = privileged; |
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atomic_set(&pd->sqp_count, 0); |
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pd->pd_num = mthca_alloc(&dev->pd_table.alloc); |
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if (pd->pd_num == -1) |
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return -ENOMEM; |
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if (privileged) { |
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err = mthca_mr_alloc_notrans(dev, pd->pd_num, |
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MTHCA_MPT_FLAG_LOCAL_READ | |
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MTHCA_MPT_FLAG_LOCAL_WRITE, |
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&pd->ntmr); |
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if (err) |
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mthca_free(&dev->pd_table.alloc, pd->pd_num); |
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} |
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return err; |
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} |
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void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd) |
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{ |
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if (pd->privileged) |
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mthca_free_mr(dev, &pd->ntmr); |
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mthca_free(&dev->pd_table.alloc, pd->pd_num); |
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} |
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int mthca_init_pd_table(struct mthca_dev *dev) |
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{ |
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return mthca_alloc_init(&dev->pd_table.alloc, |
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dev->limits.num_pds, |
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(1 << 24) - 1, |
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dev->limits.reserved_pds); |
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} |
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void mthca_cleanup_pd_table(struct mthca_dev *dev) |
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{ |
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/* XXX check if any PDs are still allocated? */ |
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mthca_alloc_cleanup(&dev->pd_table.alloc); |
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}
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