drivers/infiniband/hw/ocrdma/ocrdma_verbs.h

   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,
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  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
  46 int ocrdma_post_send(struct ib_qp *, struct ib_send_wr *,
  47                      struct ib_send_wr **bad_wr);
  48 int ocrdma_post_recv(struct ib_qp *, struct ib_recv_wr *,
  49                      struct ib_recv_wr **bad_wr);
  50
  51 int ocrdma_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
  52 int ocrdma_arm_cq(struct ib_cq *, enum ib_cq_notify_flags flags);
  53
  54 int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props,
  55                         struct ib_udata *uhw);
  56 int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
  57 int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
  58                        struct ib_port_modify *props);
  59
  60 enum rdma_protocol_type
  61 ocrdma_query_protocol(struct ib_device *device, u8 port_num);
  62
  63 void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
  64 int ocrdma_query_gid(struct ib_device *, u8 port,
  65                      int index, union ib_gid *gid);
  66 struct net_device *ocrdma_get_netdev(struct ib_device *device, u8 port_num);
  67 int ocrdma_add_gid(struct ib_device *device,
  68                    u8 port_num,
  69                    unsigned int index,
  70                    const union ib_gid *gid,
  71                    const struct ib_gid_attr *attr,
  72                    void **context);
  73 int  ocrdma_del_gid(struct ib_device *device,
  74                     u8 port_num,
  75                     unsigned int index,
  76                     void **context);
  77 int ocrdma_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey);
  78
  79 struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *,
  80                                           struct ib_udata *);
  81 int ocrdma_dealloc_ucontext(struct ib_ucontext *);
  82
  83 int ocrdma_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
  84
  85 struct ib_pd *ocrdma_alloc_pd(struct ib_device *,
  86                               struct ib_ucontext *, struct ib_udata *);
  87 int ocrdma_dealloc_pd(struct ib_pd *pd);
  88
  89 struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
  90                                const struct ib_cq_init_attr *attr,
  91                                struct ib_ucontext *ib_ctx,
  92                                struct ib_udata *udata);
  93 int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
  94 int ocrdma_destroy_cq(struct ib_cq *);
  95
  96 struct ib_qp *ocrdma_create_qp(struct ib_pd *,
  97                                struct ib_qp_init_attr *attrs,
  98                                struct ib_udata *);
  99 int _ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
 100                       int attr_mask);
 101 int ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
 102                      int attr_mask, struct ib_udata *udata);
 103 int ocrdma_query_qp(struct ib_qp *,
 104                     struct ib_qp_attr *qp_attr,
 105                     int qp_attr_mask, struct ib_qp_init_attr *);
 106 int ocrdma_destroy_qp(struct ib_qp *);
 107 void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
 108
 109 struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *,
 110                                  struct ib_udata *);
 111 int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *,
 112                       enum ib_srq_attr_mask, struct ib_udata *);
 113 int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *);
 114 int ocrdma_destroy_srq(struct ib_srq *);
 115 int ocrdma_post_srq_recv(struct ib_srq *, struct ib_recv_wr *,
 116                          struct ib_recv_wr **bad_recv_wr);
 117
 118 int ocrdma_dereg_mr(struct ib_mr *);
 119 struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *, int acc);
 120 struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *, u64 start, u64 length,
 121                                  u64 virt, int acc, struct ib_udata *);
 122 struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd,
 123                               enum ib_mr_type mr_type,
 124                               u32 max_num_sg);
 125 int ocrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
 126                      unsigned int *sg_offset);
 127
 128 #endif                          /* __OCRDMA_VERBS_H__ */