mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 00:34:20 +08:00
7521663857
Export the rdma cm interfaces to userspace via a misc device. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
140 lines
5.0 KiB
C
140 lines
5.0 KiB
C
/*
|
|
* Copyright (c) 2005 Intel Corporation. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include <rdma/ib_marshall.h>
|
|
|
|
void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst,
|
|
struct ib_ah_attr *src)
|
|
{
|
|
memcpy(dst->grh.dgid, src->grh.dgid.raw, sizeof src->grh.dgid);
|
|
dst->grh.flow_label = src->grh.flow_label;
|
|
dst->grh.sgid_index = src->grh.sgid_index;
|
|
dst->grh.hop_limit = src->grh.hop_limit;
|
|
dst->grh.traffic_class = src->grh.traffic_class;
|
|
dst->dlid = src->dlid;
|
|
dst->sl = src->sl;
|
|
dst->src_path_bits = src->src_path_bits;
|
|
dst->static_rate = src->static_rate;
|
|
dst->is_global = src->ah_flags & IB_AH_GRH ? 1 : 0;
|
|
dst->port_num = src->port_num;
|
|
}
|
|
EXPORT_SYMBOL(ib_copy_ah_attr_to_user);
|
|
|
|
void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
|
|
struct ib_qp_attr *src)
|
|
{
|
|
dst->cur_qp_state = src->cur_qp_state;
|
|
dst->path_mtu = src->path_mtu;
|
|
dst->path_mig_state = src->path_mig_state;
|
|
dst->qkey = src->qkey;
|
|
dst->rq_psn = src->rq_psn;
|
|
dst->sq_psn = src->sq_psn;
|
|
dst->dest_qp_num = src->dest_qp_num;
|
|
dst->qp_access_flags = src->qp_access_flags;
|
|
|
|
dst->max_send_wr = src->cap.max_send_wr;
|
|
dst->max_recv_wr = src->cap.max_recv_wr;
|
|
dst->max_send_sge = src->cap.max_send_sge;
|
|
dst->max_recv_sge = src->cap.max_recv_sge;
|
|
dst->max_inline_data = src->cap.max_inline_data;
|
|
|
|
ib_copy_ah_attr_to_user(&dst->ah_attr, &src->ah_attr);
|
|
ib_copy_ah_attr_to_user(&dst->alt_ah_attr, &src->alt_ah_attr);
|
|
|
|
dst->pkey_index = src->pkey_index;
|
|
dst->alt_pkey_index = src->alt_pkey_index;
|
|
dst->en_sqd_async_notify = src->en_sqd_async_notify;
|
|
dst->sq_draining = src->sq_draining;
|
|
dst->max_rd_atomic = src->max_rd_atomic;
|
|
dst->max_dest_rd_atomic = src->max_dest_rd_atomic;
|
|
dst->min_rnr_timer = src->min_rnr_timer;
|
|
dst->port_num = src->port_num;
|
|
dst->timeout = src->timeout;
|
|
dst->retry_cnt = src->retry_cnt;
|
|
dst->rnr_retry = src->rnr_retry;
|
|
dst->alt_port_num = src->alt_port_num;
|
|
dst->alt_timeout = src->alt_timeout;
|
|
}
|
|
EXPORT_SYMBOL(ib_copy_qp_attr_to_user);
|
|
|
|
void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
|
|
struct ib_sa_path_rec *src)
|
|
{
|
|
memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid);
|
|
memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid);
|
|
|
|
dst->dlid = src->dlid;
|
|
dst->slid = src->slid;
|
|
dst->raw_traffic = src->raw_traffic;
|
|
dst->flow_label = src->flow_label;
|
|
dst->hop_limit = src->hop_limit;
|
|
dst->traffic_class = src->traffic_class;
|
|
dst->reversible = src->reversible;
|
|
dst->numb_path = src->numb_path;
|
|
dst->pkey = src->pkey;
|
|
dst->sl = src->sl;
|
|
dst->mtu_selector = src->mtu_selector;
|
|
dst->mtu = src->mtu;
|
|
dst->rate_selector = src->rate_selector;
|
|
dst->rate = src->rate;
|
|
dst->packet_life_time = src->packet_life_time;
|
|
dst->preference = src->preference;
|
|
dst->packet_life_time_selector = src->packet_life_time_selector;
|
|
}
|
|
EXPORT_SYMBOL(ib_copy_path_rec_to_user);
|
|
|
|
void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
|
|
struct ib_user_path_rec *src)
|
|
{
|
|
memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid);
|
|
memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid);
|
|
|
|
dst->dlid = src->dlid;
|
|
dst->slid = src->slid;
|
|
dst->raw_traffic = src->raw_traffic;
|
|
dst->flow_label = src->flow_label;
|
|
dst->hop_limit = src->hop_limit;
|
|
dst->traffic_class = src->traffic_class;
|
|
dst->reversible = src->reversible;
|
|
dst->numb_path = src->numb_path;
|
|
dst->pkey = src->pkey;
|
|
dst->sl = src->sl;
|
|
dst->mtu_selector = src->mtu_selector;
|
|
dst->mtu = src->mtu;
|
|
dst->rate_selector = src->rate_selector;
|
|
dst->rate = src->rate;
|
|
dst->packet_life_time = src->packet_life_time;
|
|
dst->preference = src->preference;
|
|
dst->packet_life_time_selector = src->packet_life_time_selector;
|
|
}
|
|
EXPORT_SYMBOL(ib_copy_path_rec_from_user);
|