2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Cisco Systems. All rights reserved.
4 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
5 * Copyright (c) 2005 Voltaire, Inc. All rights reserved.
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:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
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.
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
35 * $Id: uverbs.h 2559 2005-06-06 19:43:16Z roland $
41 /* Include device.h and fs.h until cdev.h is self-sufficient */
43 #include <linux/device.h>
44 #include <linux/cdev.h>
45 #include <linux/kref.h>
46 #include <linux/idr.h>
48 #include <rdma/ib_verbs.h>
49 #include <rdma/ib_user_verbs.h>
51 struct ib_uverbs_device {
54 struct class_device class_dev;
55 struct ib_device *ib_dev;
59 struct ib_uverbs_event_file {
62 struct ib_uverbs_file *uverbs_file;
65 wait_queue_head_t poll_wait;
66 struct fasync_struct *async_queue;
67 struct list_head event_list;
70 struct ib_uverbs_file {
72 struct semaphore mutex;
73 struct ib_uverbs_device *device;
74 struct ib_ucontext *ucontext;
75 struct ib_event_handler event_handler;
76 struct ib_uverbs_event_file *async_file;
79 struct ib_uverbs_event {
81 struct ib_uverbs_async_event_desc async;
82 struct ib_uverbs_comp_event_desc comp;
84 struct list_head list;
85 struct list_head obj_list;
89 struct ib_uevent_object {
90 struct ib_uobject uobject;
91 struct list_head event_list;
95 struct ib_ucq_object {
96 struct ib_uobject uobject;
97 struct list_head comp_list;
98 struct list_head async_list;
99 u32 comp_events_reported;
100 u32 async_events_reported;
103 extern struct semaphore ib_uverbs_idr_mutex;
104 extern struct idr ib_uverbs_pd_idr;
105 extern struct idr ib_uverbs_mr_idr;
106 extern struct idr ib_uverbs_mw_idr;
107 extern struct idr ib_uverbs_ah_idr;
108 extern struct idr ib_uverbs_cq_idr;
109 extern struct idr ib_uverbs_qp_idr;
110 extern struct idr ib_uverbs_srq_idr;
112 struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
113 int is_async, int *fd);
114 void ib_uverbs_release_event_file(struct kref *ref);
115 struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd);
117 void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context);
118 void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr);
119 void ib_uverbs_qp_event_handler(struct ib_event *event, void *context_ptr);
120 void ib_uverbs_srq_event_handler(struct ib_event *event, void *context_ptr);
121 void ib_uverbs_event_handler(struct ib_event_handler *handler,
122 struct ib_event *event);
124 int ib_umem_get(struct ib_device *dev, struct ib_umem *mem,
125 void *addr, size_t size, int write);
126 void ib_umem_release(struct ib_device *dev, struct ib_umem *umem);
127 void ib_umem_release_on_close(struct ib_device *dev, struct ib_umem *umem);
129 #define IB_UVERBS_DECLARE_CMD(name) \
130 ssize_t ib_uverbs_##name(struct ib_uverbs_file *file, \
131 const char __user *buf, int in_len, \
134 IB_UVERBS_DECLARE_CMD(get_context);
135 IB_UVERBS_DECLARE_CMD(query_device);
136 IB_UVERBS_DECLARE_CMD(query_port);
137 IB_UVERBS_DECLARE_CMD(alloc_pd);
138 IB_UVERBS_DECLARE_CMD(dealloc_pd);
139 IB_UVERBS_DECLARE_CMD(reg_mr);
140 IB_UVERBS_DECLARE_CMD(dereg_mr);
141 IB_UVERBS_DECLARE_CMD(create_comp_channel);
142 IB_UVERBS_DECLARE_CMD(create_cq);
143 IB_UVERBS_DECLARE_CMD(destroy_cq);
144 IB_UVERBS_DECLARE_CMD(create_qp);
145 IB_UVERBS_DECLARE_CMD(modify_qp);
146 IB_UVERBS_DECLARE_CMD(destroy_qp);
147 IB_UVERBS_DECLARE_CMD(attach_mcast);
148 IB_UVERBS_DECLARE_CMD(detach_mcast);
149 IB_UVERBS_DECLARE_CMD(create_srq);
150 IB_UVERBS_DECLARE_CMD(modify_srq);
151 IB_UVERBS_DECLARE_CMD(destroy_srq);
153 #endif /* UVERBS_H */