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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 two8 * licenses. You may choose to be licensed under the terms of the GNU9 * General Public License (GPL) Version 2, available from the file10 * COPYING in the main directory of this source tree, or the11 * OpenIB.org BSD license below:12 *13 * Redistribution and use in source and binary forms, with or14 * without modification, are permitted provided that the following15 * conditions are met:16 *17 * - Redistributions of source code must retain the above18 * copyright notice, this list of conditions and the following19 * disclaimer.20 *21 * - Redistributions in binary form must reproduce the above22 * copyright notice, this list of conditions and the following23 * disclaimer in the documentation and/or other materials24 * 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 OF28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE33 * SOFTWARE.34 */35 36#ifndef _CMA_PRIV_H37#define _CMA_PRIV_H38 39enum 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_DESTROYING51};52 53struct rdma_id_private {54 struct rdma_cm_id id;55 56 struct rdma_bind_list *bind_list;57 struct hlist_node node;58 union {59 struct list_head device_item; /* On cma_device->id_list */60 struct list_head listen_any_item; /* On listen_any_list */61 };62 union {63 /* On rdma_id_private->listen_list */64 struct list_head listen_item;65 struct list_head listen_list;66 };67 struct list_head id_list_entry;68 struct cma_device *cma_dev;69 struct list_head mc_list;70 71 int internal_id;72 enum rdma_cm_state state;73 spinlock_t lock;74 struct mutex qp_mutex;75 76 struct completion comp;77 refcount_t refcount;78 struct mutex handler_mutex;79 80 int backlog;81 int timeout_ms;82 struct ib_sa_query *query;83 int query_id;84 union {85 struct ib_cm_id *ib;86 struct iw_cm_id *iw;87 } cm_id;88 89 u32 seq_num;90 u32 qkey;91 u32 qp_num;92 u32 options;93 u8 srq;94 u8 tos;95 u8 tos_set:1;96 u8 timeout_set:1;97 u8 min_rnr_timer_set:1;98 u8 reuseaddr;99 u8 afonly;100 u8 timeout;101 u8 min_rnr_timer;102 u8 used_resolve_ip;103 enum ib_gid_type gid_type;104 105 /*106 * Internal to RDMA/core, don't use in the drivers107 */108 struct rdma_restrack_entry res;109 struct rdma_ucm_ece ece;110};111 112#if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)113int cma_configfs_init(void);114void cma_configfs_exit(void);115#else116static inline int cma_configfs_init(void)117{118 return 0;119}120 121static inline void cma_configfs_exit(void)122{123}124#endif125 126void cma_dev_get(struct cma_device *dev);127void cma_dev_put(struct cma_device *dev);128typedef bool (*cma_device_filter)(struct ib_device *, void *);129struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,130 void *cookie);131int cma_get_default_gid_type(struct cma_device *dev, u32 port);132int cma_set_default_gid_type(struct cma_device *dev, u32 port,133 enum ib_gid_type default_gid_type);134int cma_get_default_roce_tos(struct cma_device *dev, u32 port);135int cma_set_default_roce_tos(struct cma_device *dev, u32 port,136 u8 default_roce_tos);137struct ib_device *cma_get_ib_dev(struct cma_device *dev);138 139#endif /* _CMA_PRIV_H */140