2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/list.h>
37 #include <linux/spinlock.h>
38 #include <linux/cgroup_rdma.h>
40 #include <rdma/ib_verbs.h>
41 #include <rdma/opa_addr.h>
42 #include <rdma/ib_mad.h>
45 struct pkey_index_qp_list {
46 struct list_head pkey_index_list;
48 /* Lock to hold while iterating the qp_list. */
49 spinlock_t qp_list_lock;
50 struct list_head qp_list;
53 #if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
54 int cma_configfs_init(void);
55 void cma_configfs_exit(void);
57 static inline int cma_configfs_init(void)
62 static inline void cma_configfs_exit(void)
67 void cma_ref_dev(struct cma_device *cma_dev);
68 void cma_deref_dev(struct cma_device *cma_dev);
69 typedef bool (*cma_device_filter)(struct ib_device *, void *);
70 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
72 int cma_get_default_gid_type(struct cma_device *cma_dev,
74 int cma_set_default_gid_type(struct cma_device *cma_dev,
76 enum ib_gid_type default_gid_type);
77 int cma_get_default_roce_tos(struct cma_device *cma_dev, unsigned int port);
78 int cma_set_default_roce_tos(struct cma_device *a_dev, unsigned int port,
80 struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev);
82 int ib_device_register_sysfs(struct ib_device *device,
83 int (*port_callback)(struct ib_device *,
84 u8, struct kobject *));
85 void ib_device_unregister_sysfs(struct ib_device *device);
87 void ib_cache_setup(void);
88 void ib_cache_cleanup(void);
90 typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
91 struct net_device *idev, void *cookie);
93 typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port,
94 struct net_device *idev, void *cookie);
96 void ib_enum_roce_netdev(struct ib_device *ib_dev,
97 roce_netdev_filter filter,
99 roce_netdev_callback cb,
101 void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
103 roce_netdev_callback cb,
106 typedef int (*nldev_callback)(struct ib_device *device,
108 struct netlink_callback *cb,
111 int ib_enum_all_devs(nldev_callback nldev_cb, struct sk_buff *skb,
112 struct netlink_callback *cb);
114 enum ib_cache_gid_default_mode {
115 IB_CACHE_GID_DEFAULT_MODE_SET,
116 IB_CACHE_GID_DEFAULT_MODE_DELETE
119 int ib_cache_gid_parse_type_str(const char *buf);
121 const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
123 void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
124 struct net_device *ndev,
125 unsigned long gid_type_mask,
126 enum ib_cache_gid_default_mode mode);
128 int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
129 union ib_gid *gid, struct ib_gid_attr *attr);
131 int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
132 union ib_gid *gid, struct ib_gid_attr *attr);
134 int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
135 struct net_device *ndev);
137 int roce_gid_mgmt_init(void);
138 void roce_gid_mgmt_cleanup(void);
140 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
142 int ib_cache_setup_one(struct ib_device *device);
143 void ib_cache_cleanup_one(struct ib_device *device);
144 void ib_cache_release_one(struct ib_device *device);
146 #ifdef CONFIG_CGROUP_RDMA
147 int ib_device_register_rdmacg(struct ib_device *device);
148 void ib_device_unregister_rdmacg(struct ib_device *device);
150 int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
151 struct ib_device *device,
152 enum rdmacg_resource_type resource_index);
154 void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
155 struct ib_device *device,
156 enum rdmacg_resource_type resource_index);
158 static inline int ib_device_register_rdmacg(struct ib_device *device)
161 static inline void ib_device_unregister_rdmacg(struct ib_device *device)
164 static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
165 struct ib_device *device,
166 enum rdmacg_resource_type resource_index)
169 static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
170 struct ib_device *device,
171 enum rdmacg_resource_type resource_index)
175 static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
176 struct net_device *upper)
178 return netdev_has_upper_dev_all_rcu(dev, upper);
182 void addr_cleanup(void);
184 int ib_mad_init(void);
185 void ib_mad_cleanup(void);
187 int ib_sa_init(void);
188 void ib_sa_cleanup(void);
190 int rdma_nl_init(void);
191 void rdma_nl_exit(void);
193 int ib_nl_handle_resolve_resp(struct sk_buff *skb,
194 struct nlmsghdr *nlh,
195 struct netlink_ext_ack *extack);
196 int ib_nl_handle_set_timeout(struct sk_buff *skb,
197 struct nlmsghdr *nlh,
198 struct netlink_ext_ack *extack);
199 int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
200 struct nlmsghdr *nlh,
201 struct netlink_ext_ack *extack);
203 int ib_get_cached_subnet_prefix(struct ib_device *device,
207 #ifdef CONFIG_SECURITY_INFINIBAND
208 void ib_security_destroy_port_pkey_list(struct ib_device *device);
210 void ib_security_cache_change(struct ib_device *device,
214 int ib_security_modify_qp(struct ib_qp *qp,
215 struct ib_qp_attr *qp_attr,
217 struct ib_udata *udata);
219 int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev);
220 void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
221 void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
222 void ib_destroy_qp_security_end(struct ib_qp_security *sec);
223 int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
224 void ib_close_shared_qp_security(struct ib_qp_security *sec);
225 int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
226 enum ib_qp_type qp_type);
227 void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent);
228 int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index);
230 static inline void ib_security_destroy_port_pkey_list(struct ib_device *device)
234 static inline void ib_security_cache_change(struct ib_device *device,
240 static inline int ib_security_modify_qp(struct ib_qp *qp,
241 struct ib_qp_attr *qp_attr,
243 struct ib_udata *udata)
245 return qp->device->modify_qp(qp->real_qp,
251 static inline int ib_create_qp_security(struct ib_qp *qp,
252 struct ib_device *dev)
257 static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
261 static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
265 static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
269 static inline int ib_open_shared_qp_security(struct ib_qp *qp,
270 struct ib_device *dev)
275 static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
279 static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
280 enum ib_qp_type qp_type)
285 static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
289 static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
296 struct ib_device *__ib_device_get_by_index(u32 ifindex);
297 /* RDMA device netlink */
298 void nldev_init(void);
299 void nldev_exit(void);
300 #endif /* _CORE_PRIV_H */