1 /* 2 * Copyright (c) 2005 Voltaire Inc. All rights reserved. 3 * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved. 4 * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved. 5 * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. 6 * 7 * This software is available to you under a choice of one of two 8 * licenses. You may choose to be licensed under the terms of the GNU 9 * General Public License (GPL) Version 2, available from the file 10 * COPYING in the main directory of this source tree, or the 11 * OpenIB.org BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or 14 * without modification, are permitted provided that the following 15 * conditions are met: 16 * 17 * - Redistributions of source code must retain the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer. 20 * 21 * - Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials 24 * provided with the distribution. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 33 * SOFTWARE. 34 */ 35 36 #ifndef _CMA_PRIV_H 37 #define _CMA_PRIV_H 38 39 enum rdma_cm_state { 40 RDMA_CM_IDLE, 41 RDMA_CM_ADDR_QUERY, 42 RDMA_CM_ADDR_RESOLVED, 43 RDMA_CM_ROUTE_QUERY, 44 RDMA_CM_ROUTE_RESOLVED, 45 RDMA_CM_CONNECT, 46 RDMA_CM_DISCONNECT, 47 RDMA_CM_ADDR_BOUND, 48 RDMA_CM_LISTEN, 49 RDMA_CM_DEVICE_REMOVAL, 50 RDMA_CM_DESTROYING 51 }; 52 53 struct rdma_id_private { 54 struct rdma_cm_id id; 55 56 struct rdma_bind_list *bind_list; 57 struct hlist_node node; 58 struct list_head list; /* listen_any_list or cma_device.list */ 59 struct list_head listen_list; /* per device listens */ 60 struct cma_device *cma_dev; 61 struct list_head mc_list; 62 63 int internal_id; 64 enum rdma_cm_state state; 65 spinlock_t lock; 66 struct mutex qp_mutex; 67 68 struct completion comp; 69 atomic_t refcount; 70 struct mutex handler_mutex; 71 72 int backlog; 73 int timeout_ms; 74 struct ib_sa_query *query; 75 int query_id; 76 union { 77 struct ib_cm_id *ib; 78 struct iw_cm_id *iw; 79 } cm_id; 80 81 u32 seq_num; 82 u32 qkey; 83 u32 qp_num; 84 u32 options; 85 u8 srq; 86 u8 tos; 87 u8 tos_set:1; 88 u8 timeout_set:1; 89 u8 reuseaddr; 90 u8 afonly; 91 u8 timeout; 92 enum ib_gid_type gid_type; 93 94 /* 95 * Internal to RDMA/core, don't use in the drivers 96 */ 97 struct rdma_restrack_entry res; 98 }; 99 100 #if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS) 101 int cma_configfs_init(void); 102 void cma_configfs_exit(void); 103 #else 104 static inline int cma_configfs_init(void) 105 { 106 return 0; 107 } 108 109 static inline void cma_configfs_exit(void) 110 { 111 } 112 #endif 113 114 void cma_ref_dev(struct cma_device *dev); 115 void cma_deref_dev(struct cma_device *dev); 116 typedef bool (*cma_device_filter)(struct ib_device *, void *); 117 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter, 118 void *cookie); 119 int cma_get_default_gid_type(struct cma_device *dev, unsigned int port); 120 int cma_set_default_gid_type(struct cma_device *dev, unsigned int port, 121 enum ib_gid_type default_gid_type); 122 int cma_get_default_roce_tos(struct cma_device *dev, unsigned int port); 123 int cma_set_default_roce_tos(struct cma_device *dev, unsigned int port, 124 u8 default_roce_tos); 125 struct ib_device *cma_get_ib_dev(struct cma_device *dev); 126 127 #endif /* _CMA_PRIV_H */ 128