/* * Copyright (c) 2016-2017 VMware, Inc. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of EITHER the GNU General Public License * version 2 as published by the Free Software Foundation or the BSD * 2-Clause License. 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 version 2 for more details at * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html. * * You should have received a copy of the GNU General Public License * along with this program available in the file COPYING in the main * directory of this source tree. * * The BSD 2-Clause 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. * * 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 HOLDER 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 <asm/page.h> #include <linux/io.h> #include <linux/wait.h> #include <rdma/ib_addr.h> #include <rdma/ib_smi.h> #include <rdma/ib_user_verbs.h> #include "pvrdma.h" /** * pvrdma_query_srq - query shared receive queue * @ibsrq: the shared receive queue to query * @srq_attr: attributes to query and return to client * * @return: 0 for success, otherwise returns an errno. */ int pvrdma_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) { … } /** * pvrdma_create_srq - create shared receive queue * @ibsrq: the IB shared receive queue * @init_attr: shared receive queue attributes * @udata: user data * * @return: 0 on success, otherwise returns an errno. */ int pvrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr, struct ib_udata *udata) { … } static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq) { … } /** * pvrdma_destroy_srq - destroy shared receive queue * @srq: the shared receive queue to destroy * @udata: user data or null for kernel object * * @return: 0 for success. */ int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata) { … } /** * pvrdma_modify_srq - modify shared receive queue attributes * @ibsrq: the shared receive queue to modify * @attr: the shared receive queue's new attributes * @attr_mask: attributes mask * @udata: user data * * @returns 0 on success, otherwise returns an errno. */ int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata) { … }
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