1 /* 2 * Copyright (c) 2005 Intel Corporation. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #include <linux/export.h> 34 #include <rdma/ib_marshall.h> 35 36 void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst, 37 struct rdma_ah_attr *src) 38 { 39 memset(&dst->grh.reserved, 0, sizeof(dst->grh.reserved)); 40 dst->dlid = rdma_ah_get_dlid(src); 41 dst->sl = rdma_ah_get_sl(src); 42 dst->src_path_bits = rdma_ah_get_path_bits(src); 43 dst->static_rate = rdma_ah_get_static_rate(src); 44 dst->is_global = rdma_ah_get_ah_flags(src) & 45 IB_AH_GRH ? 1 : 0; 46 if (dst->is_global) { 47 const struct ib_global_route *grh = rdma_ah_read_grh(src); 48 49 memcpy(dst->grh.dgid, grh->dgid.raw, sizeof(grh->dgid)); 50 dst->grh.flow_label = grh->flow_label; 51 dst->grh.sgid_index = grh->sgid_index; 52 dst->grh.hop_limit = grh->hop_limit; 53 dst->grh.traffic_class = grh->traffic_class; 54 } 55 dst->port_num = rdma_ah_get_port_num(src); 56 dst->reserved = 0; 57 } 58 EXPORT_SYMBOL(ib_copy_ah_attr_to_user); 59 60 void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, 61 struct ib_qp_attr *src) 62 { 63 dst->qp_state = src->qp_state; 64 dst->cur_qp_state = src->cur_qp_state; 65 dst->path_mtu = src->path_mtu; 66 dst->path_mig_state = src->path_mig_state; 67 dst->qkey = src->qkey; 68 dst->rq_psn = src->rq_psn; 69 dst->sq_psn = src->sq_psn; 70 dst->dest_qp_num = src->dest_qp_num; 71 dst->qp_access_flags = src->qp_access_flags; 72 73 dst->max_send_wr = src->cap.max_send_wr; 74 dst->max_recv_wr = src->cap.max_recv_wr; 75 dst->max_send_sge = src->cap.max_send_sge; 76 dst->max_recv_sge = src->cap.max_recv_sge; 77 dst->max_inline_data = src->cap.max_inline_data; 78 79 ib_copy_ah_attr_to_user(&dst->ah_attr, &src->ah_attr); 80 ib_copy_ah_attr_to_user(&dst->alt_ah_attr, &src->alt_ah_attr); 81 82 dst->pkey_index = src->pkey_index; 83 dst->alt_pkey_index = src->alt_pkey_index; 84 dst->en_sqd_async_notify = src->en_sqd_async_notify; 85 dst->sq_draining = src->sq_draining; 86 dst->max_rd_atomic = src->max_rd_atomic; 87 dst->max_dest_rd_atomic = src->max_dest_rd_atomic; 88 dst->min_rnr_timer = src->min_rnr_timer; 89 dst->port_num = src->port_num; 90 dst->timeout = src->timeout; 91 dst->retry_cnt = src->retry_cnt; 92 dst->rnr_retry = src->rnr_retry; 93 dst->alt_port_num = src->alt_port_num; 94 dst->alt_timeout = src->alt_timeout; 95 memset(dst->reserved, 0, sizeof(dst->reserved)); 96 } 97 EXPORT_SYMBOL(ib_copy_qp_attr_to_user); 98 99 static void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, 100 struct sa_path_rec *src) 101 { 102 memcpy(dst->dgid, src->dgid.raw, sizeof(src->dgid)); 103 memcpy(dst->sgid, src->sgid.raw, sizeof(src->sgid)); 104 105 dst->dlid = htons(ntohl(sa_path_get_dlid(src))); 106 dst->slid = htons(ntohl(sa_path_get_slid(src))); 107 dst->raw_traffic = sa_path_get_raw_traffic(src); 108 dst->flow_label = src->flow_label; 109 dst->hop_limit = src->hop_limit; 110 dst->traffic_class = src->traffic_class; 111 dst->reversible = src->reversible; 112 dst->numb_path = src->numb_path; 113 dst->pkey = src->pkey; 114 dst->sl = src->sl; 115 dst->mtu_selector = src->mtu_selector; 116 dst->mtu = src->mtu; 117 dst->rate_selector = src->rate_selector; 118 dst->rate = src->rate; 119 dst->packet_life_time = src->packet_life_time; 120 dst->preference = src->preference; 121 dst->packet_life_time_selector = src->packet_life_time_selector; 122 } 123 124 void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, 125 struct sa_path_rec *src) 126 { 127 struct sa_path_rec rec; 128 129 if (src->rec_type == SA_PATH_REC_TYPE_OPA) { 130 sa_convert_path_opa_to_ib(&rec, src); 131 __ib_copy_path_rec_to_user(dst, &rec); 132 return; 133 } 134 __ib_copy_path_rec_to_user(dst, src); 135 } 136 EXPORT_SYMBOL(ib_copy_path_rec_to_user); 137 138 void ib_copy_path_rec_from_user(struct sa_path_rec *dst, 139 struct ib_user_path_rec *src) 140 { 141 __be32 slid, dlid; 142 143 memset(dst, 0, sizeof(*dst)); 144 if ((ib_is_opa_gid((union ib_gid *)src->sgid)) || 145 (ib_is_opa_gid((union ib_gid *)src->dgid))) { 146 dst->rec_type = SA_PATH_REC_TYPE_OPA; 147 slid = htonl(opa_get_lid_from_gid((union ib_gid *)src->sgid)); 148 dlid = htonl(opa_get_lid_from_gid((union ib_gid *)src->dgid)); 149 } else { 150 dst->rec_type = SA_PATH_REC_TYPE_IB; 151 slid = htonl(ntohs(src->slid)); 152 dlid = htonl(ntohs(src->dlid)); 153 } 154 memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid); 155 memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid); 156 157 sa_path_set_dlid(dst, dlid); 158 sa_path_set_slid(dst, slid); 159 sa_path_set_raw_traffic(dst, src->raw_traffic); 160 dst->flow_label = src->flow_label; 161 dst->hop_limit = src->hop_limit; 162 dst->traffic_class = src->traffic_class; 163 dst->reversible = src->reversible; 164 dst->numb_path = src->numb_path; 165 dst->pkey = src->pkey; 166 dst->sl = src->sl; 167 dst->mtu_selector = src->mtu_selector; 168 dst->mtu = src->mtu; 169 dst->rate_selector = src->rate_selector; 170 dst->rate = src->rate; 171 dst->packet_life_time = src->packet_life_time; 172 dst->preference = src->preference; 173 dst->packet_life_time_selector = src->packet_life_time_selector; 174 175 /* TODO: No need to set this */ 176 sa_path_set_dmac_zero(dst); 177 sa_path_set_ndev(dst, NULL); 178 sa_path_set_ifindex(dst, 0); 179 } 180 EXPORT_SYMBOL(ib_copy_path_rec_from_user); 181