1 /* 2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005, 2006 Cisco Systems, Inc. All rights reserved. 4 * Copyright (c) 2005 PathScale, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef INFINIBAND_DRIVER_H 36 #define INFINIBAND_DRIVER_H 37 38 #include <infiniband/verbs.h> 39 #include <infiniband/kern-abi.h> 40 41 #ifdef __cplusplus 42 # define BEGIN_C_DECLS extern "C" { 43 # define END_C_DECLS } 44 #else /* !__cplusplus */ 45 # define BEGIN_C_DECLS 46 # define END_C_DECLS 47 #endif /* __cplusplus */ 48 49 /* 50 * Extension that low-level drivers should add to their .so filename 51 * (probably via libtool "-release" option). For example a low-level 52 * driver named "libfoo" should build a plug-in named "libfoo-rdmav2.so". 53 */ 54 #define IBV_DEVICE_LIBRARY_EXTENSION rdmav2 55 56 typedef struct ibv_device *(*ibv_driver_init_func)(const char *uverbs_sys_path, 57 int abi_version); 58 59 void ibv_register_driver(const char *name, ibv_driver_init_func init_func); 60 int ibv_cmd_get_context(struct ibv_context *context, struct ibv_get_context *cmd, 61 size_t cmd_size, struct ibv_get_context_resp *resp, 62 size_t resp_size); 63 int ibv_cmd_query_device(struct ibv_context *context, 64 struct ibv_device_attr *device_attr, 65 uint64_t *raw_fw_ver, 66 struct ibv_query_device *cmd, size_t cmd_size); 67 int ibv_cmd_query_port(struct ibv_context *context, uint8_t port_num, 68 struct ibv_port_attr *port_attr, 69 struct ibv_query_port *cmd, size_t cmd_size); 70 int ibv_cmd_query_gid(struct ibv_context *context, uint8_t port_num, 71 int index, union ibv_gid *gid); 72 int ibv_cmd_query_pkey(struct ibv_context *context, uint8_t port_num, 73 int index, uint16_t *pkey); 74 int ibv_cmd_alloc_pd(struct ibv_context *context, struct ibv_pd *pd, 75 struct ibv_alloc_pd *cmd, size_t cmd_size, 76 struct ibv_alloc_pd_resp *resp, size_t resp_size); 77 int ibv_cmd_dealloc_pd(struct ibv_pd *pd); 78 #define IBV_CMD_REG_MR_HAS_RESP_PARAMS 79 int ibv_cmd_reg_mr(struct ibv_pd *pd, void *addr, size_t length, 80 uint64_t hca_va, int access, 81 struct ibv_mr *mr, struct ibv_reg_mr *cmd, 82 size_t cmd_size, 83 struct ibv_reg_mr_resp *resp, size_t resp_size); 84 int ibv_cmd_dereg_mr(struct ibv_mr *mr); 85 int ibv_cmd_create_cq(struct ibv_context *context, int cqe, 86 struct ibv_comp_channel *channel, 87 int comp_vector, struct ibv_cq *cq, 88 struct ibv_create_cq *cmd, size_t cmd_size, 89 struct ibv_create_cq_resp *resp, size_t resp_size); 90 int ibv_cmd_poll_cq(struct ibv_cq *cq, int ne, struct ibv_wc *wc); 91 int ibv_cmd_req_notify_cq(struct ibv_cq *cq, int solicited_only); 92 #define IBV_CMD_RESIZE_CQ_HAS_RESP_PARAMS 93 int ibv_cmd_resize_cq(struct ibv_cq *cq, int cqe, 94 struct ibv_resize_cq *cmd, size_t cmd_size, 95 struct ibv_resize_cq_resp *resp, size_t resp_size); 96 int ibv_cmd_destroy_cq(struct ibv_cq *cq); 97 98 int ibv_cmd_create_srq(struct ibv_pd *pd, 99 struct ibv_srq *srq, struct ibv_srq_init_attr *attr, 100 struct ibv_create_srq *cmd, size_t cmd_size, 101 struct ibv_create_srq_resp *resp, size_t resp_size); 102 int ibv_cmd_create_xrc_srq(struct ibv_pd *pd, 103 struct ibv_srq *srq, struct ibv_srq_init_attr *attr, 104 uint32_t xrc_domain, uint32_t xrc_cq, 105 struct ibv_create_xrc_srq *cmd, size_t cmd_size, 106 struct ibv_create_srq_resp *resp, size_t resp_size); 107 int ibv_cmd_modify_srq(struct ibv_srq *srq, 108 struct ibv_srq_attr *srq_attr, 109 int srq_attr_mask, 110 struct ibv_modify_srq *cmd, size_t cmd_size); 111 int ibv_cmd_query_srq(struct ibv_srq *srq, 112 struct ibv_srq_attr *srq_attr, 113 struct ibv_query_srq *cmd, size_t cmd_size); 114 int ibv_cmd_destroy_srq(struct ibv_srq *srq); 115 116 int ibv_cmd_create_qp(struct ibv_pd *pd, 117 struct ibv_qp *qp, struct ibv_qp_init_attr *attr, 118 struct ibv_create_qp *cmd, size_t cmd_size, 119 struct ibv_create_qp_resp *resp, size_t resp_size); 120 int ibv_cmd_query_qp(struct ibv_qp *qp, struct ibv_qp_attr *qp_attr, 121 int attr_mask, 122 struct ibv_qp_init_attr *qp_init_attr, 123 struct ibv_query_qp *cmd, size_t cmd_size); 124 int ibv_cmd_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, 125 int attr_mask, 126 struct ibv_modify_qp *cmd, size_t cmd_size); 127 int ibv_cmd_destroy_qp(struct ibv_qp *qp); 128 int ibv_cmd_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, 129 struct ibv_send_wr **bad_wr); 130 int ibv_cmd_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr, 131 struct ibv_recv_wr **bad_wr); 132 int ibv_cmd_post_srq_recv(struct ibv_srq *srq, struct ibv_recv_wr *wr, 133 struct ibv_recv_wr **bad_wr); 134 int ibv_cmd_create_ah(struct ibv_pd *pd, struct ibv_ah *ah, 135 struct ibv_ah_attr *attr); 136 int ibv_cmd_destroy_ah(struct ibv_ah *ah); 137 int ibv_cmd_attach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, uint16_t lid); 138 int ibv_cmd_detach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, uint16_t lid); 139 140 int ibv_dontfork_range(void *base, size_t size); 141 int ibv_dofork_range(void *base, size_t size); 142 int ibv_cmd_open_xrc_domain(struct ibv_context *context, int fd, int oflag, 143 struct ibv_xrc_domain *d, 144 struct ibv_open_xrc_domain_resp *resp, 145 size_t resp_size); 146 int ibv_cmd_close_xrc_domain(struct ibv_xrc_domain *d); 147 int ibv_cmd_create_xrc_rcv_qp(struct ibv_qp_init_attr *init_attr, 148 uint32_t *xrc_rcv_qpn); 149 int ibv_cmd_modify_xrc_rcv_qp(struct ibv_xrc_domain *d, uint32_t xrc_rcv_qpn, 150 struct ibv_qp_attr *attr, int attr_mask); 151 int ibv_cmd_query_xrc_rcv_qp(struct ibv_xrc_domain *d, uint32_t xrc_rcv_qpn, 152 struct ibv_qp_attr *attr, int attr_mask, 153 struct ibv_qp_init_attr *init_attr); 154 int ibv_cmd_reg_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain, 155 uint32_t xrc_qp_num); 156 int ibv_cmd_unreg_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain, 157 uint32_t xrc_qp_num); 158 159 /* 160 * sysfs helper functions 161 */ 162 const char *ibv_get_sysfs_path(void); 163 164 int ibv_read_sysfs_file(const char *dir, const char *file, 165 char *buf, size_t size); 166 167 int ibv_resolve_eth_gid(const struct ibv_pd *pd, uint8_t port_num, 168 union ibv_gid *dgid, uint8_t sgid_index, 169 uint8_t mac[], uint16_t *vlan, uint8_t *tagged, 170 uint8_t *is_mcast); 171 172 #endif /* INFINIBAND_DRIVER_H */ 173