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 47int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props); 48 49int ehca_query_port(struct ib_device *ibdev, u8 port, 50 struct ib_port_attr *props); 51 52int ehca_query_sma_attr(struct ehca_shca *shca, u8 port, 53 struct ehca_sma_attr *attr); 54 55int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey); 56 57int ehca_query_gid(struct ib_device *ibdev, u8 port, int index, 58 union ib_gid *gid); 59 60int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask, 61 struct ib_port_modify *props); 62 63struct ib_pd *ehca_alloc_pd(struct ib_device *device, 64 struct ib_ucontext *context, 65 struct ib_udata *udata); 66 67int ehca_dealloc_pd(struct ib_pd *pd); 68 69struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 70 71int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); 72 73int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); 74 75int ehca_destroy_ah(struct ib_ah *ah); 76 77struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags); 78 79struct 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 84struct 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 88int 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 94int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); 95 96int ehca_dereg_mr(struct ib_mr *mr); 97 98struct ib_mw *ehca_alloc_mw(struct ib_pd *pd); 99 100int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 101 struct ib_mw_bind *mw_bind); 102 103int ehca_dealloc_mw(struct ib_mw *mw); 104 105struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, 106 int mr_access_flags, 107 struct ib_fmr_attr *fmr_attr); 108 109int ehca_map_phys_fmr(struct ib_fmr *fmr, 110 u64 *page_list, int list_len, u64 iova); 111 112int ehca_unmap_fmr(struct list_head *fmr_list); 113 114int ehca_dealloc_fmr(struct ib_fmr *fmr); 115 116enum ehca_eq_type { 117 EHCA_EQ = 0, /* Event Queue */ 118 EHCA_NEQ /* Notification Event Queue */ 119}; 120 121int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq, 122 enum ehca_eq_type type, const u32 length); 123 124int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq); 125 126void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq); 127 128 129struct 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 133int ehca_destroy_cq(struct ib_cq *cq); 134 135int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata); 136 137int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc); 138 139int ehca_peek_cq(struct ib_cq *cq, int wc_cnt); 140 141int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags); 142 143struct ib_qp *ehca_create_qp(struct ib_pd *pd, 144 struct ib_qp_init_attr *init_attr, 145 struct ib_udata *udata); 146 147int ehca_destroy_qp(struct ib_qp *qp); 148 149int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, 150 struct ib_udata *udata); 151 152int 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 155int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr, 156 struct ib_send_wr **bad_send_wr); 157 158int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr, 159 struct ib_recv_wr **bad_recv_wr); 160 161int ehca_post_srq_recv(struct ib_srq *srq, 162 struct ib_recv_wr *recv_wr, 163 struct ib_recv_wr **bad_recv_wr); 164 165struct ib_srq *ehca_create_srq(struct ib_pd *pd, 166 struct ib_srq_init_attr *init_attr, 167 struct ib_udata *udata); 168 169int 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 172int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 173 174int ehca_destroy_srq(struct ib_srq *srq); 175 176u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp, 177 struct ib_qp_init_attr *qp_init_attr); 178 179int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); 180 181int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); 182 183struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device, 184 struct ib_udata *udata); 185 186int ehca_dealloc_ucontext(struct ib_ucontext *context); 187 188int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); 189 190int 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 195void ehca_poll_eqs(unsigned long data); 196 197int ehca_calc_ipd(struct ehca_shca *shca, int port, 198 enum ib_rate path_rate, u32 *ipd); 199 200void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq); 201 202#ifdef CONFIG_PPC_64K_PAGES 203void *ehca_alloc_fw_ctrlblock(gfp_t flags); 204void 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 210void ehca_recover_sqp(struct ib_qp *sqp); 211 212#endif 213