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IB: common handling for marshalling parameters to/from userspace
Provide common handling for marshalling data between userspace clients and kernel InfiniBand drivers. Signed-off-by: Sean Hefty <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* | ||
| * 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> | ||
|
|
||
| static 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; | ||
| } | ||
|
|
||
| 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); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| #if !defined(IB_USER_MARSHALL_H) | ||
| #define IB_USER_MARSHALL_H | ||
|
|
||
| #include <rdma/ib_verbs.h> | ||
| #include <rdma/ib_sa.h> | ||
| #include <rdma/ib_user_verbs.h> | ||
| #include <rdma/ib_user_sa.h> | ||
|
|
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| void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, | ||
| struct ib_qp_attr *src); | ||
|
|
||
| void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, | ||
| struct ib_sa_path_rec *src); | ||
|
|
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| void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst, | ||
| struct ib_user_path_rec *src); | ||
|
|
||
| #endif /* IB_USER_MARSHALL_H */ |
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