1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2004 Topspin Communications. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef _CORE_PRIV_H 36 #define _CORE_PRIV_H 37 38 #include <linux/list.h> 39 #include <linux/spinlock.h> 40 41 #include <rdma/ib_verbs.h> 42 43 #include <net/if_vlan_var.h> 44 45 /* Total number of ports combined across all struct ib_devices's */ 46 #define RDMA_MAX_PORTS 8192 47 48 #ifdef CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS 49 int cma_configfs_init(void); 50 void cma_configfs_exit(void); 51 #else 52 static inline int cma_configfs_init(void) 53 { 54 return 0; 55 } 56 57 static inline void cma_configfs_exit(void) 58 { 59 } 60 #endif 61 struct cma_device; 62 void cma_ref_dev(struct cma_device *cma_dev); 63 void cma_deref_dev(struct cma_device *cma_dev); 64 typedef bool (*cma_device_filter)(struct ib_device *, void *); 65 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter, 66 void *cookie); 67 int cma_get_default_gid_type(struct cma_device *cma_dev, 68 unsigned int port); 69 int cma_set_default_gid_type(struct cma_device *cma_dev, 70 unsigned int port, 71 enum ib_gid_type default_gid_type); 72 struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev); 73 74 int ib_device_register_sysfs(struct ib_device *device, 75 int (*port_callback)(struct ib_device *, 76 u8, struct kobject *)); 77 void ib_device_unregister_sysfs(struct ib_device *device); 78 79 void ib_cache_setup(void); 80 void ib_cache_cleanup(void); 81 82 typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port, 83 if_t idev, void *cookie); 84 85 typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port, 86 if_t idev, void *cookie); 87 88 void ib_enum_roce_netdev(struct ib_device *ib_dev, 89 roce_netdev_filter filter, 90 void *filter_cookie, 91 roce_netdev_callback cb, 92 void *cookie); 93 void ib_enum_all_roce_netdevs(roce_netdev_filter filter, 94 void *filter_cookie, 95 roce_netdev_callback cb, 96 void *cookie); 97 98 enum ib_cache_gid_default_mode { 99 IB_CACHE_GID_DEFAULT_MODE_SET, 100 IB_CACHE_GID_DEFAULT_MODE_DELETE 101 }; 102 103 int ib_cache_gid_parse_type_str(const char *buf); 104 105 const char *ib_cache_gid_type_str(enum ib_gid_type gid_type); 106 107 void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, 108 if_t ndev, 109 unsigned long gid_type_mask, 110 enum ib_cache_gid_default_mode mode); 111 112 int ib_cache_gid_add(struct ib_device *ib_dev, u8 port, 113 union ib_gid *gid, struct ib_gid_attr *attr); 114 115 int ib_cache_gid_del(struct ib_device *ib_dev, u8 port, 116 union ib_gid *gid, struct ib_gid_attr *attr); 117 118 int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port, 119 if_t ndev); 120 void ib_cache_gid_del_all_by_netdev(if_t ndev); 121 122 int roce_gid_mgmt_init(void); 123 void roce_gid_mgmt_cleanup(void); 124 125 int roce_rescan_device(struct ib_device *ib_dev); 126 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port); 127 128 int ib_cache_setup_one(struct ib_device *device); 129 void ib_cache_cleanup_one(struct ib_device *device); 130 void ib_cache_release_one(struct ib_device *device); 131 132 #define ib_rdmacg_try_charge(...) ({ 0; }) 133 134 int addr_init(void); 135 void addr_cleanup(void); 136 137 int ib_mad_init(void); 138 void ib_mad_cleanup(void); 139 140 int ib_sa_init(void); 141 void ib_sa_cleanup(void); 142 143 int ib_port_register_module_stat(struct ib_device *device, u8 port_num, 144 struct kobject *kobj, struct kobj_type *ktype, 145 const char *name); 146 void ib_port_unregister_module_stat(struct kobject *kobj); 147 148 static inline struct ib_qp *_ib_create_qp(struct ib_device *dev, 149 struct ib_pd *pd, 150 struct ib_qp_init_attr *attr, 151 struct ib_udata *udata, 152 struct ib_uqp_object *uobj) 153 { 154 struct ib_qp *qp; 155 156 if (!dev->create_qp) 157 return ERR_PTR(-EOPNOTSUPP); 158 159 qp = dev->create_qp(pd, attr, udata); 160 if (IS_ERR(qp)) 161 return qp; 162 163 qp->device = dev; 164 qp->pd = pd; 165 qp->uobject = uobj; 166 qp->real_qp = qp; 167 168 qp->qp_type = attr->qp_type; 169 qp->rwq_ind_tbl = attr->rwq_ind_tbl; 170 qp->send_cq = attr->send_cq; 171 qp->recv_cq = attr->recv_cq; 172 qp->srq = attr->srq; 173 qp->rwq_ind_tbl = attr->rwq_ind_tbl; 174 qp->event_handler = attr->event_handler; 175 176 atomic_set(&qp->usecnt, 0); 177 spin_lock_init(&qp->mr_lock); 178 179 return qp; 180 } 181 182 struct rdma_umap_priv { 183 struct vm_area_struct *vma; 184 struct list_head list; 185 struct rdma_user_mmap_entry *entry; 186 }; 187 188 void rdma_umap_priv_init(struct rdma_umap_priv *priv, 189 struct vm_area_struct *vma, 190 struct rdma_user_mmap_entry *entry); 191 192 #endif /* _CORE_PRIV_H */ 193