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_sma_attr(struct ehca_shca *shca, u8 port,
  53                         struct ehca_sma_attr *attr);
  54
  55 int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
  56
  57 int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
  58                    union ib_gid *gid);
  59
  60 int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
  61                      struct ib_port_modify *props);
  62
  63 struct ib_pd *ehca_alloc_pd(struct ib_device *device,
  64                             struct ib_ucontext *context,
  65                             struct ib_udata *udata);
  66
  67 int ehca_dealloc_pd(struct ib_pd *pd);
  68
  69 struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
  70
  71 int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
  72
  73 int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
  74
  75 int ehca_destroy_ah(struct ib_ah *ah);
  76
  77 struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
  78
  79 struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
  80                                struct ib_phys_buf *phys_buf_array,
  81                                int num_phys_buf,
  82                                int mr_access_flags, u64 *iova_start);
  83
  84 struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
  85                                u64 virt, int mr_access_flags,
  86                                struct ib_udata *udata);
  87
  88 int ehca_rereg_phys_mr(struct ib_mr *mr,
  89                        int mr_rereg_mask,
  90                        struct ib_pd *pd,
  91                        struct ib_phys_buf *phys_buf_array,
  92                        int num_phys_buf, int mr_access_flags, u64 *iova_start);
  93
  94 int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
  95
  96 int ehca_dereg_mr(struct ib_mr *mr);
  97
  98 struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
  99
 100 int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
 101                  struct ib_mw_bind *mw_bind);
 102
 103 int ehca_dealloc_mw(struct ib_mw *mw);
 104
 105 struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
 106                               int mr_access_flags,
 107                               struct ib_fmr_attr *fmr_attr);
 108
 109 int ehca_map_phys_fmr(struct ib_fmr *fmr,
 110                       u64 *page_list, int list_len, u64 iova);
 111
 112 int ehca_unmap_fmr(struct list_head *fmr_list);
 113
 114 int ehca_dealloc_fmr(struct ib_fmr *fmr);
 115
 116 enum ehca_eq_type {
 117         EHCA_EQ = 0, /* Event Queue              */
 118         EHCA_NEQ     /* Notification Event Queue */
 119 };
 120
 121 int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
 122                    enum ehca_eq_type type, const u32 length);
 123
 124 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
 125
 126 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
 127
 128
 129 struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
 130                              struct ib_ucontext *context,
 131                              struct ib_udata *udata);
 132
 133 int ehca_destroy_cq(struct ib_cq *cq);
 134
 135 int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
 136
 137 int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
 138
 139 int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
 140
 141 int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
 142
 143 struct ib_qp *ehca_create_qp(struct ib_pd *pd,
 144                              struct ib_qp_init_attr *init_attr,
 145                              struct ib_udata *udata);
 146
 147 int ehca_destroy_qp(struct ib_qp *qp);
 148
 149 int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
 150                    struct ib_udata *udata);
 151
 152 int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
 153                   int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
 154
 155 int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
 156                    struct ib_send_wr **bad_send_wr);
 157
 158 int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
 159                    struct ib_recv_wr **bad_recv_wr);
 160
 161 int ehca_post_srq_recv(struct ib_srq *srq,
 162                        struct ib_recv_wr *recv_wr,
 163                        struct ib_recv_wr **bad_recv_wr);
 164
 165 struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 166                                struct ib_srq_init_attr *init_attr,
 167                                struct ib_udata *udata);
 168
 169 int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
 170                     enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
 171
 172 int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
 173
 174 int ehca_destroy_srq(struct ib_srq *srq);
 175
 176 u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
 177                     struct ib_qp_init_attr *qp_init_attr);
 178
 179 int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
 180
 181 int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
 182
 183 struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
 184                                         struct ib_udata *udata);
 185
 186 int ehca_dealloc_ucontext(struct ib_ucontext *context);
 187
 188 int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
 189
 190 int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 191                      struct ib_wc *in_wc, struct ib_grh *in_grh,
 192                      struct ib_mad *in_mad,
 193                      struct ib_mad *out_mad);
 194
 195 void ehca_poll_eqs(unsigned long data);
 196
 197 int ehca_calc_ipd(struct ehca_shca *shca, int port,
 198                   enum ib_rate path_rate, u32 *ipd);
 199
 200 void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
 201
 202 #ifdef CONFIG_PPC_64K_PAGES
 203 void *ehca_alloc_fw_ctrlblock(gfp_t flags);
 204 void ehca_free_fw_ctrlblock(void *ptr);
 205 #else
 206 #define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
 207 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
 208 #endif
 209
 210 void ehca_recover_sqp(struct ib_qp *sqp);
 211
 212 #endif