1/*
2 * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
3 * Copyright (c) 2007 Cisco Systems, Inc.  All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses.  You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 *     Redistribution and use in source and binary forms, with or
12 *     without modification, are permitted provided that the following
13 *     conditions are met:
14 *
15 *      - Redistributions of source code must retain the above
16 *        copyright notice, this list of conditions and the following
17 *        disclaimer.
18 *
19 *      - Redistributions in binary form must reproduce the above
20 *        copyright notice, this list of conditions and the following
21 *        disclaimer in the documentation and/or other materials
22 *        provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#ifndef IB_VERBS_H
35#define IB_VERBS_H
36
37#include <pthread.h>
38
39#include <infiniband/driver.h>
40
41#ifdef HAVE_VALGRIND_MEMCHECK_H
42
43#  include <valgrind/memcheck.h>
44
45#  ifndef VALGRIND_MAKE_MEM_DEFINED
46#    warning "Valgrind support requested, but VALGRIND_MAKE_MEM_DEFINED not available"
47#  endif
48
49#endif /* HAVE_VALGRIND_MEMCHECK_H */
50
51#ifndef VALGRIND_MAKE_MEM_DEFINED
52#  define VALGRIND_MAKE_MEM_DEFINED(addr, len)
53#endif
54
55#define HIDDEN		__attribute__((visibility ("hidden")))
56
57#define INIT		__attribute__((constructor))
58#define FINI		__attribute__((destructor))
59
60#define DEFAULT_ABI	"IBVERBS_1.1"
61
62#ifdef HAVE_SYMVER_SUPPORT
63#  define symver(name, api, ver) \
64	asm(".symver " #name "," #api "@" #ver)
65#  define default_symver(name, api) \
66	asm(".symver " #name "," #api "@@" DEFAULT_ABI)
67#else
68#  define symver(name, api, ver)
69#  define default_symver(name, api) \
70	extern __typeof(name) api __attribute__((alias(#name)))
71#endif /* HAVE_SYMVER_SUPPORT */
72
73#define PFX		"libibverbs: "
74
75struct ibv_abi_compat_v2 {
76	struct ibv_comp_channel	channel;
77	pthread_mutex_t		in_use;
78};
79
80extern HIDDEN int abi_ver;
81
82HIDDEN int ibverbs_init(struct ibv_device ***list);
83
84#define IBV_INIT_CMD(cmd, size, opcode)					\
85	do {								\
86		if (abi_ver > 2)					\
87			(cmd)->command = IB_USER_VERBS_CMD_##opcode;	\
88		else							\
89			(cmd)->command = IB_USER_VERBS_CMD_##opcode##_V2; \
90		(cmd)->in_words  = (size) / 4;				\
91		(cmd)->out_words = 0;					\
92	} while (0)
93
94#define IBV_INIT_CMD_RESP(cmd, size, opcode, out, outsize)		\
95	do {								\
96		if (abi_ver > 2)					\
97			(cmd)->command = IB_USER_VERBS_CMD_##opcode;	\
98		else							\
99			(cmd)->command = IB_USER_VERBS_CMD_##opcode##_V2; \
100		(cmd)->in_words  = (size) / 4;				\
101		(cmd)->out_words = (outsize) / 4;			\
102		(cmd)->response  = (uintptr_t) (out);			\
103	} while (0)
104
105#endif /* IB_VERBS_H */
106