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_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey); 53 54int ehca_query_gid(struct ib_device *ibdev, u8 port, int index, 55 union ib_gid *gid); 56 57int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask, 58 struct ib_port_modify *props); 59 60struct ib_pd *ehca_alloc_pd(struct ib_device *device, 61 struct ib_ucontext *context, 62 struct ib_udata *udata); 63 64int ehca_dealloc_pd(struct ib_pd *pd); 65 66struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 67 68int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); 69 70int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr); 71 72int ehca_destroy_ah(struct ib_ah *ah); 73 74struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags); 75 76struct 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 81struct 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 84int 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 90int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); 91 92int ehca_dereg_mr(struct ib_mr *mr); 93 94struct ib_mw *ehca_alloc_mw(struct ib_pd *pd); 95 96int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 97 struct ib_mw_bind *mw_bind); 98 99int ehca_dealloc_mw(struct ib_mw *mw); 100 101struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, 102 int mr_access_flags, 103 struct ib_fmr_attr *fmr_attr); 104 105int ehca_map_phys_fmr(struct ib_fmr *fmr, 106 u64 *page_list, int list_len, u64 iova); 107 108int ehca_unmap_fmr(struct list_head *fmr_list); 109 110int ehca_dealloc_fmr(struct ib_fmr *fmr); 111 112enum ehca_eq_type { 113 EHCA_EQ = 0, /* Event Queue */ 114 EHCA_NEQ /* Notification Event Queue */ 115}; 116 117int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq, 118 enum ehca_eq_type type, const u32 length); 119 120int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq); 121 122void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq); 123 124 125struct 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 129int ehca_destroy_cq(struct ib_cq *cq); 130 131int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata); 132 133int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc); 134 135int ehca_peek_cq(struct ib_cq *cq, int wc_cnt); 136 137int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags); 138 139struct ib_qp *ehca_create_qp(struct ib_pd *pd, 140 struct ib_qp_init_attr *init_attr, 141 struct ib_udata *udata); 142 143int ehca_destroy_qp(struct ib_qp *qp); 144 145int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, 146 struct ib_udata *udata); 147 148int 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 151int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr, 152 struct ib_send_wr **bad_send_wr); 153 154int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr, 155 struct ib_recv_wr **bad_recv_wr); 156 157u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp, 158 struct ib_qp_init_attr *qp_init_attr); 159 160int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); 161 162int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid); 163 164struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device, 165 struct ib_udata *udata); 166 167int ehca_dealloc_ucontext(struct ib_ucontext *context); 168 169int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); 170 171void ehca_poll_eqs(unsigned long data); 172 173#ifdef CONFIG_PPC_64K_PAGES 174void *ehca_alloc_fw_ctrlblock(gfp_t flags); 175void 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 182