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,
  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
  46 int ocrdma_post_send(struct ib_qp *, const struct ib_send_wr *,
  47                      const struct ib_send_wr **bad_wr);
  48 int ocrdma_post_recv(struct ib_qp *, const struct ib_recv_wr *,
  49                      const 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
  58 enum rdma_protocol_type
  59 ocrdma_query_protocol(struct ib_device *device, u8 port_num);
  60
  61 void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
  62 int ocrdma_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey);
  63
  64 int ocrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
  65 void ocrdma_dealloc_ucontext(struct ib_ucontext *uctx);
  66
  67 int ocrdma_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
  68
  69 int ocrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
  70 int ocrdma_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
  71
  72 int ocrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
  73                      struct ib_udata *udata);
  74 int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
  75 int ocrdma_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
  76
  77 struct ib_qp *ocrdma_create_qp(struct ib_pd *,
  78                                struct ib_qp_init_attr *attrs,
  79                                struct ib_udata *);
  80 int _ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
  81                       int attr_mask);
  82 int ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
  83                      int attr_mask, struct ib_udata *udata);
  84 int ocrdma_query_qp(struct ib_qp *,
  85                     struct ib_qp_attr *qp_attr,
  86                     int qp_attr_mask, struct ib_qp_init_attr *);
  87 int ocrdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
  88 void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
  89
  90 int ocrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attr,
  91                       struct ib_udata *udata);
  92 int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *,
  93                       enum ib_srq_attr_mask, struct ib_udata *);
  94 int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *);
  95 int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
  96 int ocrdma_post_srq_recv(struct ib_srq *, const struct ib_recv_wr *,
  97                          const struct ib_recv_wr **bad_recv_wr);
  98
  99 int ocrdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
 100 struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *, int acc);
 101 struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *, u64 start, u64 length,
 102                                  u64 virt, int acc, struct ib_udata *);
 103 struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
 104                               u32 max_num_sg);
 105 int ocrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
 106                      unsigned int *sg_offset);
 107
 108 #endif                          /* __OCRDMA_VERBS_H__ */