drivers/infiniband/core/uverbs_marshall.c

   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 <rdma/ib_marshall.h>
  34
  35 static void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst,
  36                                     struct ib_ah_attr *src)
  37 {
  38         memcpy(dst->grh.dgid, src->grh.dgid.raw, sizeof src->grh.dgid);
  39         dst->grh.flow_label        = src->grh.flow_label;
  40         dst->grh.sgid_index        = src->grh.sgid_index;
  41         dst->grh.hop_limit         = src->grh.hop_limit;
  42         dst->grh.traffic_class     = src->grh.traffic_class;
  43         dst->dlid                  = src->dlid;
  44         dst->sl                    = src->sl;
  45         dst->src_path_bits         = src->src_path_bits;
  46         dst->static_rate           = src->static_rate;
  47         dst->is_global             = src->ah_flags & IB_AH_GRH ? 1 : 0;
  48         dst->port_num              = src->port_num;
  49 }
  50
  51 void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
  52                              struct ib_qp_attr *src)
  53 {
  54         dst->cur_qp_state       = src->cur_qp_state;
  55         dst->path_mtu           = src->path_mtu;
  56         dst->path_mig_state     = src->path_mig_state;
  57         dst->qkey               = src->qkey;
  58         dst->rq_psn             = src->rq_psn;
  59         dst->sq_psn             = src->sq_psn;
  60         dst->dest_qp_num        = src->dest_qp_num;
  61         dst->qp_access_flags    = src->qp_access_flags;
  62
  63         dst->max_send_wr        = src->cap.max_send_wr;
  64         dst->max_recv_wr        = src->cap.max_recv_wr;
  65         dst->max_send_sge       = src->cap.max_send_sge;
  66         dst->max_recv_sge       = src->cap.max_recv_sge;
  67         dst->max_inline_data    = src->cap.max_inline_data;
  68
  69         ib_copy_ah_attr_to_user(&dst->ah_attr, &src->ah_attr);
  70         ib_copy_ah_attr_to_user(&dst->alt_ah_attr, &src->alt_ah_attr);
  71
  72         dst->pkey_index         = src->pkey_index;
  73         dst->alt_pkey_index     = src->alt_pkey_index;
  74         dst->en_sqd_async_notify = src->en_sqd_async_notify;
  75         dst->sq_draining        = src->sq_draining;
  76         dst->max_rd_atomic      = src->max_rd_atomic;
  77         dst->max_dest_rd_atomic = src->max_dest_rd_atomic;
  78         dst->min_rnr_timer      = src->min_rnr_timer;
  79         dst->port_num           = src->port_num;
  80         dst->timeout            = src->timeout;
  81         dst->retry_cnt          = src->retry_cnt;
  82         dst->rnr_retry          = src->rnr_retry;
  83         dst->alt_port_num       = src->alt_port_num;
  84         dst->alt_timeout        = src->alt_timeout;
  85 }
  86 EXPORT_SYMBOL(ib_copy_qp_attr_to_user);
  87
  88 void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
  89                               struct ib_sa_path_rec *src)
  90 {
  91         memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid);
  92         memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid);
  93
  94         dst->dlid               = src->dlid;
  95         dst->slid               = src->slid;
  96         dst->raw_traffic        = src->raw_traffic;
  97         dst->flow_label         = src->flow_label;
  98         dst->hop_limit          = src->hop_limit;
  99         dst->traffic_class      = src->traffic_class;
 100         dst->reversible         = src->reversible;
 101         dst->numb_path          = src->numb_path;
 102         dst->pkey               = src->pkey;
 103         dst->sl                 = src->sl;
 104         dst->mtu_selector       = src->mtu_selector;
 105         dst->mtu                = src->mtu;
 106         dst->rate_selector      = src->rate_selector;
 107         dst->rate               = src->rate;
 108         dst->packet_life_time   = src->packet_life_time;
 109         dst->preference         = src->preference;
 110         dst->packet_life_time_selector = src->packet_life_time_selector;
 111 }
 112 EXPORT_SYMBOL(ib_copy_path_rec_to_user);
 113
 114 void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
 115                                 struct ib_user_path_rec *src)
 116 {
 117         memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid);
 118         memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid);
 119
 120         dst->dlid               = src->dlid;
 121         dst->slid               = src->slid;
 122         dst->raw_traffic        = src->raw_traffic;
 123         dst->flow_label         = src->flow_label;
 124         dst->hop_limit          = src->hop_limit;
 125         dst->traffic_class      = src->traffic_class;
 126         dst->reversible         = src->reversible;
 127         dst->numb_path          = src->numb_path;
 128         dst->pkey               = src->pkey;
 129         dst->sl                 = src->sl;
 130         dst->mtu_selector       = src->mtu_selector;
 131         dst->mtu                = src->mtu;
 132         dst->rate_selector      = src->rate_selector;
 133         dst->rate               = src->rate;
 134         dst->packet_life_time   = src->packet_life_time;
 135         dst->preference         = src->preference;
 136         dst->packet_life_time_selector = src->packet_life_time_selector;
 137 }
 138 EXPORT_SYMBOL(ib_copy_path_rec_from_user);