module.h revision 289644 
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/ofed/include/linux/module.h 289644 2015-10-20 19:08:26Z hselasky $
30 */
31#ifndef	_LINUX_MODULE_H_
32#define	_LINUX_MODULE_H_
33
34#include <sys/cdefs.h>
35#include <sys/types.h>
36#include <sys/module.h>
37
38#include <linux/list.h>
39#include <linux/compiler.h>
40#include <linux/kobject.h>
41#include <linux/moduleparam.h>
42#include <linux/slab.h>
43
44#define MODULE_AUTHOR(name)
45#define MODULE_DESCRIPTION(name)
46#define MODULE_LICENSE(name)
47
48#define	THIS_MODULE	((struct module *)0)
49
50#define	EXPORT_SYMBOL(name)
51#define	EXPORT_SYMBOL_GPL(name)
52
53/* OFED pre-module initialization */
54#define	SI_SUB_OFED_PREINIT	(SI_SUB_ROOT_CONF - 2)
55/* OFED default module initialization */
56#define	SI_SUB_OFED_MODINIT	(SI_SUB_ROOT_CONF - 1)
57
58#include <sys/linker.h>
59
60static inline void
61_module_run(void *arg)
62{
63	void (*fn)(void);
64#ifdef OFED_DEBUG_INIT
65	char name[1024];
66	caddr_t pc;
67	long offset;
68
69	pc = (caddr_t)arg;
70	if (linker_search_symbol_name(pc, name, sizeof(name), &offset) != 0)
71		printf("Running ??? (%p)\n", pc);
72	else
73		printf("Running %s (%p)\n", name, pc);
74#endif
75	fn = arg;
76	DROP_GIANT();
77	fn();
78	PICKUP_GIANT();
79}
80
81#define	module_init(fn)							\
82	SYSINIT(fn, SI_SUB_OFED_MODINIT, SI_ORDER_FIRST, _module_run, (fn))
83
84#define	module_exit(fn)						\
85	SYSUNINIT(fn, SI_SUB_OFED_MODINIT, SI_ORDER_SECOND, _module_run, (fn))
86
87/*
88 * The following two macros are a workaround for not having a module
89 * load and unload order resolver:
90 */
91#define	module_init_order(fn, order)					\
92	SYSINIT(fn, SI_SUB_OFED_MODINIT, (order), _module_run, (fn))
93
94#define	module_exit_order(fn, order)				\
95	SYSUNINIT(fn, SI_SUB_OFED_MODINIT, (order), _module_run, (fn))
96
97#define	module_get(module)
98#define	module_put(module)
99#define	try_module_get(module)	1
100
101#endif	/* _LINUX_MODULE_H_ */
102