drivers/infiniband/hw/ehca/ehca_iverbs.h

   1 /*
   2  *  IBM eServer eHCA Infiniband device driver for Linux on POWER
   3  *
   4  *  Function definitions for internal functions
   5  *
   6  *  Authors: Heiko J Schick <schickhj@de.ibm.com>
   7  *           Dietmar Decker <ddecker@de.ibm.com>
   8  *
   9  *  Copyright (c) 2005 IBM Corporation
  10  *
  11  *  All rights reserved.
  12  *
  13  *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
  14  *  BSD.
  15  *
  16  * OpenIB BSD License
  17  *
  18  * Redistribution and use in source and binary forms, with or without
  19  * modification, are permitted provided that the following conditions are met:
  20  *
  21  * Redistributions of source code must retain the above copyright notice, this
  22  * list of conditions and the following disclaimer.
  23  *
  24  * Redistributions in binary form must reproduce the above copyright notice,
  25  * this list of conditions and the following disclaimer in the documentation
  26  * and/or other materials
  27  * provided with the distribution.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  30  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  33  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  34  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  35  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  36  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  37  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  39  * POSSIBILITY OF SUCH DAMAGE.
  40  */
  41
  42 #ifndef __EHCA_IVERBS_H__
  43 #define __EHCA_IVERBS_H__
  44
  45 #include "ehca_classes.h"
  46
  47 int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
  48
  49 int ehca_query_port(struct ib_device *ibdev, u8 port,
  50                     struct ib_port_attr *props);
  51
  52 int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
  53
  54 int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
  55                    union ib_gid *gid);
  56
  57 int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
  58                      struct ib_port_modify *props);
  59
  60 struct ib_pd *ehca_alloc_pd(struct ib_device *device,
  61                             struct ib_ucontext *context,
  62                             struct ib_udata *udata);
  63
  64 int ehca_dealloc_pd(struct ib_pd *pd);
  65
  66 struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
  67
  68 int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
  69
  70 int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
  71
  72 int ehca_destroy_ah(struct ib_ah *ah);
  73
  74 struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
  75
  76 struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
  77                                struct ib_phys_buf *phys_buf_array,
  78                                int num_phys_buf,
  79                                int mr_access_flags, u64 *iova_start);
  80
  81 struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt,
  82                                int mr_access_flags, struct ib_udata *udata);
  83
  84 int ehca_rereg_phys_mr(struct ib_mr *mr,
  85                        int mr_rereg_mask,
  86                        struct ib_pd *pd,
  87                        struct ib_phys_buf *phys_buf_array,
  88                        int num_phys_buf, int mr_access_flags, u64 *iova_start);
  89
  90 int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
  91
  92 int ehca_dereg_mr(struct ib_mr *mr);
  93
  94 struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
  95
  96 int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
  97                  struct ib_mw_bind *mw_bind);
  98
  99 int ehca_dealloc_mw(struct ib_mw *mw);
 100
 101 struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
 102                               int mr_access_flags,
 103                               struct ib_fmr_attr *fmr_attr);
 104
 105 int ehca_map_phys_fmr(struct ib_fmr *fmr,
 106                       u64 *page_list, int list_len, u64 iova);
 107
 108 int ehca_unmap_fmr(struct list_head *fmr_list);
 109
 110 int ehca_dealloc_fmr(struct ib_fmr *fmr);
 111
 112 enum ehca_eq_type {
 113         EHCA_EQ = 0, /* Event Queue              */
 114         EHCA_NEQ     /* Notification Event Queue */
 115 };
 116
 117 int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
 118                    enum ehca_eq_type type, const u32 length);
 119
 120 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
 121
 122 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
 123
 124
 125 struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
 126                              struct ib_ucontext *context,
 127                              struct ib_udata *udata);
 128
 129 int ehca_destroy_cq(struct ib_cq *cq);
 130
 131 int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
 132
 133 int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
 134
 135 int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
 136
 137 int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
 138
 139 struct ib_qp *ehca_create_qp(struct ib_pd *pd,
 140                              struct ib_qp_init_attr *init_attr,
 141                              struct ib_udata *udata);
 142
 143 int ehca_destroy_qp(struct ib_qp *qp);
 144
 145 int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
 146                    struct ib_udata *udata);
 147
 148 int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
 149                   int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
 150
 151 int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
 152                    struct ib_send_wr **bad_send_wr);
 153
 154 int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
 155                    struct ib_recv_wr **bad_recv_wr);
 156
 157 u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
 158                     struct ib_qp_init_attr *qp_init_attr);
 159
 160 int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
 161
 162 int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
 163
 164 struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
 165                                         struct ib_udata *udata);
 166
 167 int ehca_dealloc_ucontext(struct ib_ucontext *context);
 168
 169 int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
 170
 171 void ehca_poll_eqs(unsigned long data);
 172
 173 #ifdef CONFIG_PPC_64K_PAGES
 174 void *ehca_alloc_fw_ctrlblock(gfp_t flags);
 175 void ehca_free_fw_ctrlblock(void *ptr);
 176 #else
 177 #define ehca_alloc_fw_ctrlblock(flags) ((void *) get_zeroed_page(flags))
 178 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
 179 #endif
 180
 181 #endif