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 45enum ehca_reg_type { 46 EHCA_REG_MR, 47 EHCA_REG_BUSMAP_MR 48}; 49 50int 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, 58 u32 *rkey, 59 enum ehca_reg_type reg_type); 60 61int ehca_reg_mr_rpages(struct ehca_shca *shca, 62 struct ehca_mr *e_mr, 63 struct ehca_mr_pginfo *pginfo); 64 65int 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 75int ehca_unmap_one_fmr(struct ehca_shca *shca, 76 struct ehca_mr *e_fmr); 77 78int 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 87int ehca_reg_internal_maxmr(struct ehca_shca *shca, 88 struct ehca_pd *e_pd, 89 struct ehca_mr **maxmr); 90 91int 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 99int ehca_dereg_internal_maxmr(struct ehca_shca *shca); 100 101int 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 106int ehca_fmr_check_page_list(struct ehca_mr *e_fmr, 107 u64 *page_list, 108 int list_len); 109 110int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo, 111 u32 number, 112 u64 *kpage); 113 114int ehca_mr_is_maxmr(u64 size, 115 u64 *iova_start); 116 117void ehca_mrmw_map_acl(int ib_acl, 118 u32 *hipz_acl); 119 120void ehca_mrmw_set_pgsize_hipz_acl(u32 pgsize, u32 *hipz_acl); 121 122void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl, 123 int *ib_acl); 124 125void ehca_mr_deletenew(struct ehca_mr *mr); 126 127int ehca_create_busmap(void); 128 129void ehca_destroy_busmap(void); 130 131extern struct ib_dma_mapping_ops ehca_dma_mapping_ops; 132#endif /*_EHCA_MRMW_H_*/ 133