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