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.
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:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
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.
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
35 #ifndef INFINIBAND_DRIVER_H
36 #define INFINIBAND_DRIVER_H
38 #include <infiniband/verbs.h>
39 #include <infiniband/kern-abi.h>
42 # define BEGIN_C_DECLS extern "C" {
43 # define END_C_DECLS }
44 #else /* !__cplusplus */
45 # define BEGIN_C_DECLS
47 #endif /* __cplusplus */
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".
54 #define IBV_DEVICE_LIBRARY_EXTENSION rdmav2
56 typedef struct ibv_device *(*ibv_driver_init_func)(const char *uverbs_sys_path,
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,
63 int ibv_cmd_query_device(struct ibv_context *context,
64 struct ibv_device_attr *device_attr,
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,
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);
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,
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);
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,
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,
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);
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,
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);
160 * sysfs helper functions
162 const char *ibv_get_sysfs_path(void);
164 int ibv_read_sysfs_file(const char *dir, const char *file,
165 char *buf, size_t size);
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,
172 #endif /* INFINIBAND_DRIVER_H */