diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/qp.h')
| -rw-r--r-- | drivers/staging/rdma/hfi1/qp.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/staging/rdma/hfi1/qp.h b/drivers/staging/rdma/hfi1/qp.h deleted file mode 100644 index e7bc8d6cf681..000000000000 --- a/drivers/staging/rdma/hfi1/qp.h +++ /dev/null @@ -1,160 +0,0 @@ -#ifndef _QP_H -#define _QP_H -/* - * Copyright(c) 2015, 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. - * - */ - -#include <linux/hash.h> -#include <rdma/rdmavt_qp.h> -#include "verbs.h" -#include "sdma.h" - -extern unsigned int hfi1_qp_table_size; - -/* - * free_ahg - clear ahg from QP - */ -static inline void clear_ahg(struct rvt_qp *qp) -{ - struct hfi1_qp_priv *priv = qp->priv; - - priv->s_hdr->ahgcount = 0; - qp->s_flags &= ~(RVT_S_AHG_VALID | RVT_S_AHG_CLEAR); - if (priv->s_sde && qp->s_ahgidx >= 0) - sdma_ahg_free(priv->s_sde, qp->s_ahgidx); - qp->s_ahgidx = -1; -} - -/** - * hfi1_compute_aeth - compute the AETH (syndrome + MSN) - * @qp: the queue pair to compute the AETH for - * - * Returns the AETH. - */ -__be32 hfi1_compute_aeth(struct rvt_qp *qp); - -/** - * hfi1_create_qp - create a queue pair for a device - * @ibpd: the protection domain who's device we create the queue pair for - * @init_attr: the attributes of the queue pair - * @udata: user data for libibverbs.so - * - * Returns the queue pair on success, otherwise returns an errno. - * - * Called by the ib_create_qp() core verbs function. - */ -struct ib_qp *hfi1_create_qp(struct ib_pd *ibpd, - struct ib_qp_init_attr *init_attr, - struct ib_udata *udata); -/** - * hfi1_get_credit - flush the send work queue of a QP - * @qp: the qp who's send work queue to flush - * @aeth: the Acknowledge Extended Transport Header - * - * The QP s_lock should be held. - */ -void hfi1_get_credit(struct rvt_qp *qp, u32 aeth); - -/** - * hfi1_qp_wakeup - wake up on the indicated event - * @qp: the QP - * @flag: flag the qp on which the qp is stalled - */ -void hfi1_qp_wakeup(struct rvt_qp *qp, u32 flag); - -struct sdma_engine *qp_to_sdma_engine(struct rvt_qp *qp, u8 sc5); -struct send_context *qp_to_send_context(struct rvt_qp *qp, u8 sc5); - -struct qp_iter; - -/** - * qp_iter_init - initialize the iterator for the qp hash list - * @dev: the hfi1_ibdev - */ -struct qp_iter *qp_iter_init(struct hfi1_ibdev *dev); - -/** - * qp_iter_next - Find the next qp in the hash list - * @iter: the iterator for the qp hash list - */ -int qp_iter_next(struct qp_iter *iter); - -/** - * qp_iter_print - print the qp information to seq_file - * @s: the seq_file to emit the qp information on - * @iter: the iterator for the qp hash list - */ -void qp_iter_print(struct seq_file *s, struct qp_iter *iter); - -/** - * qp_comm_est - handle trap with QP established - * @qp: the QP - */ -void qp_comm_est(struct rvt_qp *qp); - -void _hfi1_schedule_send(struct rvt_qp *qp); -void hfi1_schedule_send(struct rvt_qp *qp); - -void hfi1_migrate_qp(struct rvt_qp *qp); - -/* - * Functions provided by hfi1 driver for rdmavt to use - */ -void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, - gfp_t gfp); -void qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp); -unsigned free_all_qps(struct rvt_dev_info *rdi); -void notify_qp_reset(struct rvt_qp *qp); -int get_pmtu_from_attr(struct rvt_dev_info *rdi, struct rvt_qp *qp, - struct ib_qp_attr *attr); -void flush_qp_waiters(struct rvt_qp *qp); -void notify_error_qp(struct rvt_qp *qp); -void stop_send_queue(struct rvt_qp *qp); -void quiesce_qp(struct rvt_qp *qp); -u32 mtu_from_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp, u32 pmtu); -int mtu_to_path_mtu(u32 mtu); -void hfi1_error_port_qps(struct hfi1_ibport *ibp, u8 sl); -#endif /* _QP_H */ |