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
  39 #include <rdma/ib_verbs.h>
  40
  41 #if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
  42 int cma_configfs_init(void);
  43 void cma_configfs_exit(void);
  44 #else
  45 static inline int cma_configfs_init(void)
  46 {
  47         return 0;
  48 }
  49
  50 static inline void cma_configfs_exit(void)
  51 {
  52 }
  53 #endif
  54 struct cma_device;
  55 void cma_ref_dev(struct cma_device *cma_dev);
  56 void cma_deref_dev(struct cma_device *cma_dev);
  57 typedef bool (*cma_device_filter)(struct ib_device *, void *);
  58 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter  filter,
  59                                              void               *cookie);
  60 int cma_get_default_gid_type(struct cma_device *cma_dev,
  61                              unsigned int port);
  62 int cma_set_default_gid_type(struct cma_device *cma_dev,
  63                              unsigned int port,
  64                              enum ib_gid_type default_gid_type);
  65 struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev);
  66
  67 int  ib_device_register_sysfs(struct ib_device *device,
  68                               int (*port_callback)(struct ib_device *,
  69                                                    u8, struct kobject *));
  70 void ib_device_unregister_sysfs(struct ib_device *device);
  71
  72 void ib_cache_setup(void);
  73 void ib_cache_cleanup(void);
  74
  75 int ib_resolve_eth_dmac(struct ib_qp *qp,
  76                         struct ib_qp_attr *qp_attr, int *qp_attr_mask);
  77
  78 typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
  79               struct net_device *idev, void *cookie);
  80
  81 typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port,
  82              struct net_device *idev, void *cookie);
  83
  84 void ib_enum_roce_netdev(struct ib_device *ib_dev,
  85                          roce_netdev_filter filter,
  86                          void *filter_cookie,
  87                          roce_netdev_callback cb,
  88                          void *cookie);
  89 void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
  90                               void *filter_cookie,
  91                               roce_netdev_callback cb,
  92                               void *cookie);
  93
  94 enum ib_cache_gid_default_mode {
  95         IB_CACHE_GID_DEFAULT_MODE_SET,
  96         IB_CACHE_GID_DEFAULT_MODE_DELETE
  97 };
  98
  99 int ib_cache_gid_parse_type_str(const char *buf);
 100
 101 const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
 102
 103 void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
 104                                   struct net_device *ndev,
 105                                   unsigned long gid_type_mask,
 106                                   enum ib_cache_gid_default_mode mode);
 107
 108 int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
 109                      union ib_gid *gid, struct ib_gid_attr *attr);
 110
 111 int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
 112                      union ib_gid *gid, struct ib_gid_attr *attr);
 113
 114 int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
 115                                      struct net_device *ndev);
 116
 117 int roce_gid_mgmt_init(void);
 118 void roce_gid_mgmt_cleanup(void);
 119
 120 int roce_rescan_device(struct ib_device *ib_dev);
 121 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
 122
 123 int ib_cache_setup_one(struct ib_device *device);
 124 void ib_cache_cleanup_one(struct ib_device *device);
 125 void ib_cache_release_one(struct ib_device *device);
 126
 127 static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
 128                                          struct net_device *upper)
 129 {
 130         struct net_device *_upper = NULL;
 131         struct list_head *iter;
 132
 133         netdev_for_each_all_upper_dev_rcu(dev, _upper, iter)
 134                 if (_upper == upper)
 135                         break;
 136
 137         return _upper == upper;
 138 }
 139
 140 #endif /* _CORE_PRIV_H */