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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 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
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_DESTROYING
51};
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 drivers
107 */
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#else
116static inline int cma_configfs_init(void)
117{
118 return 0;
119}
120
121static inline void cma_configfs_exit(void)
122{
123}
124#endif
125
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 */
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
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_DESTROYING
51};
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 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 refcount_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 min_rnr_timer_set:1;
90 u8 reuseaddr;
91 u8 afonly;
92 u8 timeout;
93 u8 min_rnr_timer;
94 u8 used_resolve_ip;
95 enum ib_gid_type gid_type;
96
97 /*
98 * Internal to RDMA/core, don't use in the drivers
99 */
100 struct rdma_restrack_entry res;
101 struct rdma_ucm_ece ece;
102};
103
104#if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
105int cma_configfs_init(void);
106void cma_configfs_exit(void);
107#else
108static inline int cma_configfs_init(void)
109{
110 return 0;
111}
112
113static inline void cma_configfs_exit(void)
114{
115}
116#endif
117
118void cma_dev_get(struct cma_device *dev);
119void cma_dev_put(struct cma_device *dev);
120typedef bool (*cma_device_filter)(struct ib_device *, void *);
121struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
122 void *cookie);
123int cma_get_default_gid_type(struct cma_device *dev, u32 port);
124int cma_set_default_gid_type(struct cma_device *dev, u32 port,
125 enum ib_gid_type default_gid_type);
126int cma_get_default_roce_tos(struct cma_device *dev, u32 port);
127int cma_set_default_roce_tos(struct cma_device *dev, u32 port,
128 u8 default_roce_tos);
129struct ib_device *cma_get_ib_dev(struct cma_device *dev);
130
131#endif /* _CMA_PRIV_H */