diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/verbs_txreq.h')
| -rw-r--r-- | drivers/staging/rdma/hfi1/verbs_txreq.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/staging/rdma/hfi1/verbs_txreq.h b/drivers/staging/rdma/hfi1/verbs_txreq.h deleted file mode 100644 index 1cf69b2fe4a5..000000000000 --- a/drivers/staging/rdma/hfi1/verbs_txreq.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright(c) 2016 Intel Corporation. - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * BSD LICENSE - * - * 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. - * - Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef HFI1_VERBS_TXREQ_H -#define HFI1_VERBS_TXREQ_H - -#include <linux/types.h> -#include <linux/slab.h> - -#include "verbs.h" -#include "sdma_txreq.h" -#include "iowait.h" - -struct verbs_txreq { - struct hfi1_pio_header phdr; - struct sdma_txreq txreq; - struct rvt_qp *qp; - struct rvt_swqe *wqe; - struct rvt_mregion *mr; - struct rvt_sge_state *ss; - struct sdma_engine *sde; - struct send_context *psc; - u16 hdr_dwords; -}; - -struct hfi1_ibdev; -struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev, - struct rvt_qp *qp); - -static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev, - struct rvt_qp *qp) -{ - struct verbs_txreq *tx; - struct hfi1_qp_priv *priv = qp->priv; - - tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC); - if (unlikely(!tx)) { - /* call slow path to get the lock */ - tx = __get_txreq(dev, qp); - if (IS_ERR(tx)) - return tx; - } - tx->qp = qp; - tx->mr = NULL; - tx->sde = priv->s_sde; - tx->psc = priv->s_sendcontext; - /* so that we can test if the sdma decriptors are there */ - tx->txreq.num_desc = 0; - return tx; -} - -static inline struct sdma_txreq *get_sdma_txreq(struct verbs_txreq *tx) -{ - return &tx->txreq; -} - -static inline struct verbs_txreq *get_waiting_verbs_txreq(struct rvt_qp *qp) -{ - struct sdma_txreq *stx; - struct hfi1_qp_priv *priv = qp->priv; - - stx = iowait_get_txhead(&priv->s_iowait); - if (stx) - return container_of(stx, struct verbs_txreq, txreq); - return NULL; -} - -void hfi1_put_txreq(struct verbs_txreq *tx); -int verbs_txreq_init(struct hfi1_ibdev *dev); -void verbs_txreq_exit(struct hfi1_ibdev *dev); - -#endif /* HFI1_VERBS_TXREQ_H */ |