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fab97220 HS |
1 | /* |
2 | * IBM eServer eHCA Infiniband device driver for Linux on POWER | |
3 | * | |
4 | * MR/MW declarations and inline functions | |
5 | * | |
6 | * Authors: Dietmar Decker <ddecker@de.ibm.com> | |
7 | * Christoph Raisch <raisch@de.ibm.com> | |
8 | * | |
9 | * Copyright (c) 2005 IBM Corporation | |
10 | * | |
11 | * All rights reserved. | |
12 | * | |
13 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB | |
14 | * BSD. | |
15 | * | |
16 | * OpenIB BSD License | |
17 | * | |
18 | * Redistribution and use in source and binary forms, with or without | |
19 | * modification, are permitted provided that the following conditions are met: | |
20 | * | |
21 | * Redistributions of source code must retain the above copyright notice, this | |
22 | * list of conditions and the following disclaimer. | |
23 | * | |
24 | * Redistributions in binary form must reproduce the above copyright notice, | |
25 | * this list of conditions and the following disclaimer in the documentation | |
26 | * and/or other materials | |
27 | * provided with the distribution. | |
28 | * | |
29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
30 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
33 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
34 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
35 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
36 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER | |
37 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
38 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
39 | * POSSIBILITY OF SUCH DAMAGE. | |
40 | */ | |
41 | ||
42 | #ifndef _EHCA_MRMW_H_ | |
43 | #define _EHCA_MRMW_H_ | |
44 | ||
0cf89dcd HH |
45 | enum ehca_reg_type { |
46 | EHCA_REG_MR, | |
47 | EHCA_REG_BUSMAP_MR | |
48 | }; | |
49 | ||
fab97220 HS |
50 | int ehca_reg_mr(struct ehca_shca *shca, |
51 | struct ehca_mr *e_mr, | |
52 | u64 *iova_start, | |
53 | u64 size, | |
54 | int acl, | |
55 | struct ehca_pd *e_pd, | |
56 | struct ehca_mr_pginfo *pginfo, | |
57 | u32 *lkey, | |
0cf89dcd HH |
58 | u32 *rkey, |
59 | enum ehca_reg_type reg_type); | |
fab97220 HS |
60 | |
61 | int ehca_reg_mr_rpages(struct ehca_shca *shca, | |
62 | struct ehca_mr *e_mr, | |
63 | struct ehca_mr_pginfo *pginfo); | |
64 | ||
65 | int ehca_rereg_mr(struct ehca_shca *shca, | |
66 | struct ehca_mr *e_mr, | |
67 | u64 *iova_start, | |
68 | u64 size, | |
69 | int mr_access_flags, | |
70 | struct ehca_pd *e_pd, | |
71 | struct ehca_mr_pginfo *pginfo, | |
72 | u32 *lkey, | |
73 | u32 *rkey); | |
74 | ||
75 | int ehca_unmap_one_fmr(struct ehca_shca *shca, | |
76 | struct ehca_mr *e_fmr); | |
77 | ||
78 | int ehca_reg_smr(struct ehca_shca *shca, | |
79 | struct ehca_mr *e_origmr, | |
80 | struct ehca_mr *e_newmr, | |
81 | u64 *iova_start, | |
82 | int acl, | |
83 | struct ehca_pd *e_pd, | |
84 | u32 *lkey, | |
85 | u32 *rkey); | |
86 | ||
87 | int ehca_reg_internal_maxmr(struct ehca_shca *shca, | |
88 | struct ehca_pd *e_pd, | |
89 | struct ehca_mr **maxmr); | |
90 | ||
91 | int ehca_reg_maxmr(struct ehca_shca *shca, | |
92 | struct ehca_mr *e_newmr, | |
93 | u64 *iova_start, | |
94 | int acl, | |
95 | struct ehca_pd *e_pd, | |
96 | u32 *lkey, | |
97 | u32 *rkey); | |
98 | ||
99 | int ehca_dereg_internal_maxmr(struct ehca_shca *shca); | |
100 | ||
101 | int ehca_mr_chk_buf_and_calc_size(struct ib_phys_buf *phys_buf_array, | |
102 | int num_phys_buf, | |
103 | u64 *iova_start, | |
104 | u64 *size); | |
105 | ||
106 | int ehca_fmr_check_page_list(struct ehca_mr *e_fmr, | |
107 | u64 *page_list, | |
108 | int list_len); | |
109 | ||
2b94397a | 110 | int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo, |
fab97220 HS |
111 | u32 number, |
112 | u64 *kpage); | |
113 | ||
fab97220 HS |
114 | int ehca_mr_is_maxmr(u64 size, |
115 | u64 *iova_start); | |
116 | ||
117 | void ehca_mrmw_map_acl(int ib_acl, | |
118 | u32 *hipz_acl); | |
119 | ||
5bb7d929 | 120 | void ehca_mrmw_set_pgsize_hipz_acl(u32 pgsize, u32 *hipz_acl); |
fab97220 HS |
121 | |
122 | void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl, | |
123 | int *ib_acl); | |
124 | ||
fab97220 HS |
125 | void ehca_mr_deletenew(struct ehca_mr *mr); |
126 | ||
0cf89dcd HH |
127 | int ehca_create_busmap(void); |
128 | ||
129 | void ehca_destroy_busmap(void); | |
130 | ||
131 | extern struct ib_dma_mapping_ops ehca_dma_mapping_ops; | |
fab97220 | 132 | #endif /*_EHCA_MRMW_H_*/ |