1*4882a593Smuzhiyun #ifndef DEF_RVTMR_H
2*4882a593Smuzhiyun #define DEF_RVTMR_H
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun /*
5*4882a593Smuzhiyun * Copyright(c) 2016 Intel Corporation.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * This file is provided under a dual BSD/GPLv2 license. When using or
8*4882a593Smuzhiyun * redistributing this file, you may do so under either license.
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * GPL LICENSE SUMMARY
11*4882a593Smuzhiyun *
12*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify
13*4882a593Smuzhiyun * it under the terms of version 2 of the GNU General Public License as
14*4882a593Smuzhiyun * published by the Free Software Foundation.
15*4882a593Smuzhiyun *
16*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, but
17*4882a593Smuzhiyun * WITHOUT ANY WARRANTY; without even the implied warranty of
18*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19*4882a593Smuzhiyun * General Public License for more details.
20*4882a593Smuzhiyun *
21*4882a593Smuzhiyun * BSD LICENSE
22*4882a593Smuzhiyun *
23*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or without
24*4882a593Smuzhiyun * modification, are permitted provided that the following conditions
25*4882a593Smuzhiyun * are met:
26*4882a593Smuzhiyun *
27*4882a593Smuzhiyun * - Redistributions of source code must retain the above copyright
28*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer.
29*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above copyright
30*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer in
31*4882a593Smuzhiyun * the documentation and/or other materials provided with the
32*4882a593Smuzhiyun * distribution.
33*4882a593Smuzhiyun * - Neither the name of Intel Corporation nor the names of its
34*4882a593Smuzhiyun * contributors may be used to endorse or promote products derived
35*4882a593Smuzhiyun * from this software without specific prior written permission.
36*4882a593Smuzhiyun *
37*4882a593Smuzhiyun * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
38*4882a593Smuzhiyun * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
39*4882a593Smuzhiyun * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
40*4882a593Smuzhiyun * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
41*4882a593Smuzhiyun * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42*4882a593Smuzhiyun * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43*4882a593Smuzhiyun * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
44*4882a593Smuzhiyun * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
45*4882a593Smuzhiyun * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
46*4882a593Smuzhiyun * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
47*4882a593Smuzhiyun * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48*4882a593Smuzhiyun *
49*4882a593Smuzhiyun */
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun #include <rdma/rdma_vt.h>
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun struct rvt_mr {
54*4882a593Smuzhiyun struct ib_mr ibmr;
55*4882a593Smuzhiyun struct ib_umem *umem;
56*4882a593Smuzhiyun struct rvt_mregion mr; /* must be last */
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun
to_imr(struct ib_mr * ibmr)59*4882a593Smuzhiyun static inline struct rvt_mr *to_imr(struct ib_mr *ibmr)
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun return container_of(ibmr, struct rvt_mr, ibmr);
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun int rvt_driver_mr_init(struct rvt_dev_info *rdi);
65*4882a593Smuzhiyun void rvt_mr_exit(struct rvt_dev_info *rdi);
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun /* Mem Regions */
68*4882a593Smuzhiyun struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc);
69*4882a593Smuzhiyun struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
70*4882a593Smuzhiyun u64 virt_addr, int mr_access_flags,
71*4882a593Smuzhiyun struct ib_udata *udata);
72*4882a593Smuzhiyun int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
73*4882a593Smuzhiyun struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
74*4882a593Smuzhiyun u32 max_num_sg);
75*4882a593Smuzhiyun int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
76*4882a593Smuzhiyun int sg_nents, unsigned int *sg_offset);
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun #endif /* DEF_RVTMR_H */
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