drivers/infiniband/core/core_priv.h

   1 /*
   2  * Copyright (c) 2004 Topspin Communications.  All rights reserved.
   3  *
   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:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  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.
  22  *
  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
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef _CORE_PRIV_H
  34 #define _CORE_PRIV_H
  35
  36 #include <linux/list.h>
  37 #include <linux/spinlock.h>
  38 #include <linux/cgroup_rdma.h>
  39
  40 #include <rdma/ib_verbs.h>
  41
  42 #if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
  43 int cma_configfs_init(void);
  44 void cma_configfs_exit(void);
  45 #else
  46 static inline int cma_configfs_init(void)
  47 {
  48         return 0;
  49 }
  50
  51 static inline void cma_configfs_exit(void)
  52 {
  53 }
  54 #endif
  55 struct cma_device;
  56 void cma_ref_dev(struct cma_device *cma_dev);
  57 void cma_deref_dev(struct cma_device *cma_dev);
  58 typedef bool (*cma_device_filter)(struct ib_device *, void *);
  59 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter  filter,
  60                                              void               *cookie);
  61 int cma_get_default_gid_type(struct cma_device *cma_dev,
  62                              unsigned int port);
  63 int cma_set_default_gid_type(struct cma_device *cma_dev,
  64                              unsigned int port,
  65                              enum ib_gid_type default_gid_type);
  66 int cma_get_default_roce_tos(struct cma_device *cma_dev, unsigned int port);
  67 int cma_set_default_roce_tos(struct cma_device *a_dev, unsigned int port,
  68                              u8 default_roce_tos);
  69 struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev);
  70
  71 int  ib_device_register_sysfs(struct ib_device *device,
  72                               int (*port_callback)(struct ib_device *,
  73                                                    u8, struct kobject *));
  74 void ib_device_unregister_sysfs(struct ib_device *device);
  75
  76 void ib_cache_setup(void);
  77 void ib_cache_cleanup(void);
  78
  79 typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
  80               struct net_device *idev, void *cookie);
  81
  82 typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port,
  83              struct net_device *idev, void *cookie);
  84
  85 void ib_enum_roce_netdev(struct ib_device *ib_dev,
  86                          roce_netdev_filter filter,
  87                          void *filter_cookie,
  88                          roce_netdev_callback cb,
  89                          void *cookie);
  90 void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
  91                               void *filter_cookie,
  92                               roce_netdev_callback cb,
  93                               void *cookie);
  94
  95 enum ib_cache_gid_default_mode {
  96         IB_CACHE_GID_DEFAULT_MODE_SET,
  97         IB_CACHE_GID_DEFAULT_MODE_DELETE
  98 };
  99
 100 int ib_cache_gid_parse_type_str(const char *buf);
 101
 102 const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
 103
 104 void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
 105                                   struct net_device *ndev,
 106                                   unsigned long gid_type_mask,
 107                                   enum ib_cache_gid_default_mode mode);
 108
 109 int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
 110                      union ib_gid *gid, struct ib_gid_attr *attr);
 111
 112 int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
 113                      union ib_gid *gid, struct ib_gid_attr *attr);
 114
 115 int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
 116                                      struct net_device *ndev);
 117
 118 int roce_gid_mgmt_init(void);
 119 void roce_gid_mgmt_cleanup(void);
 120
 121 int roce_rescan_device(struct ib_device *ib_dev);
 122 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
 123
 124 int ib_cache_setup_one(struct ib_device *device);
 125 void ib_cache_cleanup_one(struct ib_device *device);
 126 void ib_cache_release_one(struct ib_device *device);
 127
 128 #ifdef CONFIG_CGROUP_RDMA
 129 int ib_device_register_rdmacg(struct ib_device *device);
 130 void ib_device_unregister_rdmacg(struct ib_device *device);
 131
 132 int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
 133                          struct ib_device *device,
 134                          enum rdmacg_resource_type resource_index);
 135
 136 void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
 137                         struct ib_device *device,
 138                         enum rdmacg_resource_type resource_index);
 139 #else
 140 static inline int ib_device_register_rdmacg(struct ib_device *device)
 141 { return 0; }
 142
 143 static inline void ib_device_unregister_rdmacg(struct ib_device *device)
 144 { }
 145
 146 static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
 147                                        struct ib_device *device,
 148                                        enum rdmacg_resource_type resource_index)
 149 { return 0; }
 150
 151 static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
 152                                       struct ib_device *device,
 153                                       enum rdmacg_resource_type resource_index)
 154 { }
 155 #endif
 156
 157 static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
 158                                          struct net_device *upper)
 159 {
 160         return netdev_has_upper_dev_all_rcu(dev, upper);
 161 }
 162
 163 int addr_init(void);
 164 void addr_cleanup(void);
 165
 166 int ib_mad_init(void);
 167 void ib_mad_cleanup(void);
 168
 169 int ib_sa_init(void);
 170 void ib_sa_cleanup(void);
 171
 172 int ib_nl_handle_resolve_resp(struct sk_buff *skb,
 173                               struct netlink_callback *cb);
 174 int ib_nl_handle_set_timeout(struct sk_buff *skb,
 175                              struct netlink_callback *cb);
 176 int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
 177                              struct netlink_callback *cb);
 178
 179 #endif /* _CORE_PRIV_H */