LXR linux/drivers/infiniband/core/uverbs

   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
  36void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst,
  37                             struct ib_ah_attr *src)
  38{
  39        memcpy(dst->grh.dgid, src->grh.dgid.raw, sizeof src->grh.dgid);
  40        dst->grh.flow_label        = src->grh.flow_label;
  41        dst->grh.sgid_index        = src->grh.sgid_index;
  42        dst->grh.hop_limit         = src->grh.hop_limit;
  43        dst->grh.traffic_class     = src->grh.traffic_class;
  44        memset(&dst->grh.reserved, 0, sizeof(dst->grh.reserved));
  45        dst->dlid                  = src->dlid;
  46        dst->sl                    = src->sl;
  47        dst->src_path_bits         = src->src_path_bits;
  48        dst->static_rate           = src->static_rate;
  49        dst->is_global             = src->ah_flags & IB_AH_GRH ? 1 : 0;
  50        dst->port_num              = src->port_num;
  51        dst->reserved              = 0;
  52}
  53EXPORT_SYMBOL(ib_copy_ah_attr_to_user);
  54
  55void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
  56                             struct ib_qp_attr *src)
  57{
  58        dst->qp_state           = src->qp_state;
  59        dst->cur_qp_state       = src->cur_qp_state;
  60        dst->path_mtu           = src->path_mtu;
  61        dst->path_mig_state     = src->path_mig_state;
  62        dst->qkey               = src->qkey;
  63        dst->rq_psn             = src->rq_psn;
  64        dst->sq_psn             = src->sq_psn;
  65        dst->dest_qp_num        = src->dest_qp_num;
  66        dst->qp_access_flags    = src->qp_access_flags;
  67
  68        dst->max_send_wr        = src->cap.max_send_wr;
  69        dst->max_recv_wr        = src->cap.max_recv_wr;
  70        dst->max_send_sge       = src->cap.max_send_sge;
  71        dst->max_recv_sge       = src->cap.max_recv_sge;
  72        dst->max_inline_data    = src->cap.max_inline_data;
  73
  74        ib_copy_ah_attr_to_user(&dst->ah_attr, &src->ah_attr);
  75        ib_copy_ah_attr_to_user(&dst->alt_ah_attr, &src->alt_ah_attr);
  76
  77        dst->pkey_index         = src->pkey_index;
  78        dst->alt_pkey_index     = src->alt_pkey_index;
  79        dst->en_sqd_async_notify = src->en_sqd_async_notify;
  80        dst->sq_draining        = src->sq_draining;
  81        dst->max_rd_atomic      = src->max_rd_atomic;
  82        dst->max_dest_rd_atomic = src->max_dest_rd_atomic;
  83        dst->min_rnr_timer      = src->min_rnr_timer;
  84        dst->port_num           = src->port_num;
  85        dst->timeout            = src->timeout;
  86        dst->retry_cnt          = src->retry_cnt;
  87        dst->rnr_retry          = src->rnr_retry;
  88        dst->alt_port_num       = src->alt_port_num;
  89        dst->alt_timeout        = src->alt_timeout;
  90        memset(dst->reserved, 0, sizeof(dst->reserved));
  91}
  92EXPORT_SYMBOL(ib_copy_qp_attr_to_user);
  93
  94void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
  95                              struct ib_sa_path_rec *src)
  96{
  97        memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid);
  98        memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid);
  99
 100        dst->dlid               = src->dlid;
 101        dst->slid               = src->slid;
 102        dst->raw_traffic        = src->raw_traffic;
 103        dst->flow_label         = src->flow_label;
 104        dst->hop_limit          = src->hop_limit;
 105        dst->traffic_class      = src->traffic_class;
 106        dst->reversible         = src->reversible;
 107        dst->numb_path          = src->numb_path;
 108        dst->pkey               = src->pkey;
 109        dst->sl                 = src->sl;
 110        dst->mtu_selector       = src->mtu_selector;
 111        dst->mtu                = src->mtu;
 112        dst->rate_selector      = src->rate_selector;
 113        dst->rate               = src->rate;
 114        dst->packet_life_time   = src->packet_life_time;
 115        dst->preference         = src->preference;
 116        dst->packet_life_time_selector = src->packet_life_time_selector;
 117}
 118EXPORT_SYMBOL(ib_copy_path_rec_to_user);
 119
 120void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
 121                                struct ib_user_path_rec *src)
 122{
 123        memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid);
 124        memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid);
 125
 126        dst->dlid               = src->dlid;
 127        dst->slid               = src->slid;
 128        dst->raw_traffic        = src->raw_traffic;
 129        dst->flow_label         = src->flow_label;
 130        dst->hop_limit          = src->hop_limit;
 131        dst->traffic_class      = src->traffic_class;
 132        dst->reversible         = src->reversible;
 133        dst->numb_path          = src->numb_path;
 134        dst->pkey               = src->pkey;
 135        dst->sl                 = src->sl;
 136        dst->mtu_selector       = src->mtu_selector;
 137        dst->mtu                = src->mtu;
 138        dst->rate_selector      = src->rate_selector;
 139        dst->rate               = src->rate;
 140        dst->packet_life_time   = src->packet_life_time;
 141        dst->preference         = src->preference;
 142        dst->packet_life_time_selector = src->packet_life_time_selector;
 143}
 144EXPORT_SYMBOL(ib_copy_path_rec_from_user);
 145