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78 lines
3.0 KiB
78 lines
3.0 KiB
#ifndef DEF_RVTMR_H |
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#define DEF_RVTMR_H |
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/* |
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* Copyright(c) 2016 Intel Corporation. |
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* |
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* This file is provided under a dual BSD/GPLv2 license. When using or |
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* redistributing this file, you may do so under either license. |
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* |
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* GPL LICENSE SUMMARY |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of version 2 of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* BSD LICENSE |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* - Neither the name of Intel Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <rdma/rdma_vt.h> |
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struct rvt_mr { |
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struct ib_mr ibmr; |
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struct ib_umem *umem; |
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struct rvt_mregion mr; /* must be last */ |
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}; |
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static inline struct rvt_mr *to_imr(struct ib_mr *ibmr) |
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{ |
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return container_of(ibmr, struct rvt_mr, ibmr); |
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} |
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int rvt_driver_mr_init(struct rvt_dev_info *rdi); |
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void rvt_mr_exit(struct rvt_dev_info *rdi); |
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/* Mem Regions */ |
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struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc); |
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struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, |
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u64 virt_addr, int mr_access_flags, |
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struct ib_udata *udata); |
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int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); |
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struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, |
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u32 max_num_sg); |
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int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, |
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int sg_nents, unsigned int *sg_offset); |
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#endif /* DEF_RVTMR_H */
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