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#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 */
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