LXR linux/drivers/infiniband/hw/ocrdma/ocrdma

   1/* This file is part of the Emulex RoCE Device Driver for
   2 * RoCE (RDMA over Converged Ethernet) adapters.
   3 * Copyright (C) 2012-2015 Emulex. All rights reserved.
   4 * EMULEX and SLI are trademarks of Emulex.
   5 * www.emulex.com
   6 *
   7 * This software is available to you under a choice of one of two licenses.
   8 * You may choose to be licensed under the terms of the GNU General Public
   9 * License (GPL) Version 2, available from the file COPYING in the main
  10 * directory of this source tree, or the BSD license below:
  11 *
  12 * Redistribution and use in source and binary forms, with or without
  13 * modification, are permitted provided that the following conditions
  14 * are met:
  15 *
  16 * - Redistributions of source code must retain the above copyright notice,
  17 *   this list of conditions and the following disclaimer.
  18 *
  19 * - Redistributions in binary form must reproduce the above copyright
  20 *   notice, this list of conditions and the following disclaimer in
  21 *   the documentation and/or other materials provided with the distribution.
  22 *
  23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
  25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 *
  35 * Contact Information:
  36 * linux-drivers@emulex.com
  37 *
  38 * Emulex
  39 * 3333 Susan Street
  40 * Costa Mesa, CA 92626
  41 */
  42
  43#ifndef __OCRDMA_VERBS_H__
  44#define __OCRDMA_VERBS_H__
  45
  46int ocrdma_post_send(struct ib_qp *, const struct ib_send_wr *,
  47                     const struct ib_send_wr **bad_wr);
  48int ocrdma_post_recv(struct ib_qp *, const struct ib_recv_wr *,
  49                     const struct ib_recv_wr **bad_wr);
  50
  51int ocrdma_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
  52int ocrdma_arm_cq(struct ib_cq *, enum ib_cq_notify_flags flags);
  53
  54int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props,
  55                        struct ib_udata *uhw);
  56int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
  57int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
  58                       struct ib_port_modify *props);
  59
  60enum rdma_protocol_type
  61ocrdma_query_protocol(struct ib_device *device, u8 port_num);
  62
  63void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
  64struct net_device *ocrdma_get_netdev(struct ib_device *device, u8 port_num);
  65int ocrdma_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey);
  66
  67struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *,
  68                                          struct ib_udata *);
  69int ocrdma_dealloc_ucontext(struct ib_ucontext *);
  70
  71int ocrdma_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
  72
  73struct ib_pd *ocrdma_alloc_pd(struct ib_device *,
  74                              struct ib_ucontext *, struct ib_udata *);
  75int ocrdma_dealloc_pd(struct ib_pd *pd);
  76
  77struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
  78                               const struct ib_cq_init_attr *attr,
  79                               struct ib_ucontext *ib_ctx,
  80                               struct ib_udata *udata);
  81int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
  82int ocrdma_destroy_cq(struct ib_cq *);
  83
  84struct ib_qp *ocrdma_create_qp(struct ib_pd *,
  85                               struct ib_qp_init_attr *attrs,
  86                               struct ib_udata *);
  87int _ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
  88                      int attr_mask);
  89int ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
  90                     int attr_mask, struct ib_udata *udata);
  91int ocrdma_query_qp(struct ib_qp *,
  92                    struct ib_qp_attr *qp_attr,
  93                    int qp_attr_mask, struct ib_qp_init_attr *);
  94int ocrdma_destroy_qp(struct ib_qp *);
  95void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
  96
  97struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *,
  98                                 struct ib_udata *);
  99int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *,
 100                      enum ib_srq_attr_mask, struct ib_udata *);
 101int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *);
 102int ocrdma_destroy_srq(struct ib_srq *);
 103int ocrdma_post_srq_recv(struct ib_srq *, const struct ib_recv_wr *,
 104                         const struct ib_recv_wr **bad_recv_wr);
 105
 106int ocrdma_dereg_mr(struct ib_mr *);
 107struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *, int acc);
 108struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *, u64 start, u64 length,
 109                                 u64 virt, int acc, struct ib_udata *);
 110struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd,
 111                              enum ib_mr_type mr_type,
 112                              u32 max_num_sg);
 113int ocrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
 114                     unsigned int *sg_offset);
 115
 116#endif                          /* __OCRDMA_VERBS_H__ */
 117