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 */ 180