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 int roce_rescan_device(struct ib_device *ib_dev);
141 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
143 int ib_cache_setup_one(struct ib_device *device);
144 void ib_cache_cleanup_one(struct ib_device *device);
145 void ib_cache_release_one(struct ib_device *device);
147 #ifdef CONFIG_CGROUP_RDMA
148 int ib_device_register_rdmacg(struct ib_device *device);
149 void ib_device_unregister_rdmacg(struct ib_device *device);
151 int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
152 struct ib_device *device,
153 enum rdmacg_resource_type resource_index);
155 void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
156 struct ib_device *device,
157 enum rdmacg_resource_type resource_index);
159 static inline int ib_device_register_rdmacg(struct ib_device *device)
162 static inline void ib_device_unregister_rdmacg(struct ib_device *device)
165 static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
166 struct ib_device *device,
167 enum rdmacg_resource_type resource_index)
170 static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
171 struct ib_device *device,
172 enum rdmacg_resource_type resource_index)
176 static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
177 struct net_device *upper)
179 return netdev_has_upper_dev_all_rcu(dev, upper);
183 void addr_cleanup(void);
185 int ib_mad_init(void);
186 void ib_mad_cleanup(void);
188 int ib_sa_init(void);
189 void ib_sa_cleanup(void);
191 int rdma_nl_init(void);
192 void rdma_nl_exit(void);
195 * Check if there are any listeners to the netlink group
196 * @group: the netlink group ID
197 * Returns 0 on success or a negative for no listeners.
199 int ibnl_chk_listeners(unsigned int group);
201 int ib_nl_handle_resolve_resp(struct sk_buff *skb,
202 struct nlmsghdr *nlh,
203 struct netlink_ext_ack *extack);
204 int ib_nl_handle_set_timeout(struct sk_buff *skb,
205 struct nlmsghdr *nlh,
206 struct netlink_ext_ack *extack);
207 int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
208 struct nlmsghdr *nlh,
209 struct netlink_ext_ack *extack);
211 int ib_get_cached_subnet_prefix(struct ib_device *device,
215 #ifdef CONFIG_SECURITY_INFINIBAND
216 int ib_security_pkey_access(struct ib_device *dev,
221 void ib_security_destroy_port_pkey_list(struct ib_device *device);
223 void ib_security_cache_change(struct ib_device *device,
227 int ib_security_modify_qp(struct ib_qp *qp,
228 struct ib_qp_attr *qp_attr,
230 struct ib_udata *udata);
232 int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev);
233 void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
234 void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
235 void ib_destroy_qp_security_end(struct ib_qp_security *sec);
236 int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
237 void ib_close_shared_qp_security(struct ib_qp_security *sec);
238 int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
239 enum ib_qp_type qp_type);
240 void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent);
241 int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index);
243 static inline int ib_security_pkey_access(struct ib_device *dev,
251 static inline void ib_security_destroy_port_pkey_list(struct ib_device *device)
255 static inline void ib_security_cache_change(struct ib_device *device,
261 static inline int ib_security_modify_qp(struct ib_qp *qp,
262 struct ib_qp_attr *qp_attr,
264 struct ib_udata *udata)
266 return qp->device->modify_qp(qp->real_qp,
272 static inline int ib_create_qp_security(struct ib_qp *qp,
273 struct ib_device *dev)
278 static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
282 static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
286 static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
290 static inline int ib_open_shared_qp_security(struct ib_qp *qp,
291 struct ib_device *dev)
296 static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
300 static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
301 enum ib_qp_type qp_type)
306 static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
310 static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
317 struct ib_device *ib_device_get_by_index(u32 ifindex);
318 /* RDMA device netlink */
319 void nldev_init(void);
320 void nldev_exit(void);
321 #endif /* _CORE_PRIV_H */