module.h revision 289624 
1/* $FreeBSD: head/sys/ofed/include/linux/module.h 289624 2015-10-20 11:40:04Z hselasky $ */
2/*-
3 * Copyright (c) 2010 Isilon Systems, Inc.
4 * Copyright (c) 2010 iX Systems, Inc.
5 * Copyright (c) 2010 Panasas, Inc.
6 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice unmodified, this list of conditions, and the following
14 *    disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30#ifndef	_LINUX_MODULE_H_
31#define	_LINUX_MODULE_H_
32
33#include <sys/cdefs.h>
34#include <sys/types.h>
35#include <sys/module.h>
36
37#include <linux/list.h>
38#include <linux/compiler.h>
39#include <linux/kobject.h>
40#include <linux/moduleparam.h>
41#include <linux/slab.h>
42
43#define MODULE_AUTHOR(name)
44#define MODULE_DESCRIPTION(name)
45#define MODULE_LICENSE(name)
46
47#define	THIS_MODULE	((struct module *)0)
48
49#define	EXPORT_SYMBOL(name)
50#define	EXPORT_SYMBOL_GPL(name)
51
52/* OFED pre-module initialization */
53#define	SI_SUB_OFED_PREINIT	(SI_SUB_ROOT_CONF - 2)
54/* OFED default module initialization */
55#define	SI_SUB_OFED_MODINIT	(SI_SUB_ROOT_CONF - 1)
56
57#include <sys/linker.h>
58
59static inline void
60_module_run(void *arg)
61{
62	void (*fn)(void);
63#ifdef OFED_DEBUG_INIT
64	char name[1024];
65	caddr_t pc;
66	long offset;
67
68	pc = (caddr_t)arg;
69	if (linker_search_symbol_name(pc, name, sizeof(name), &offset) != 0)
70		printf("Running ??? (%p)\n", pc);
71	else
72		printf("Running %s (%p)\n", name, pc);
73#endif
74	fn = arg;
75	DROP_GIANT();
76	fn();
77	PICKUP_GIANT();
78}
79
80#define	module_init(fn)							\
81	SYSINIT(fn, SI_SUB_OFED_MODINIT, SI_ORDER_FIRST, _module_run, (fn))
82
83#define	module_exit(fn)						\
84	SYSUNINIT(fn, SI_SUB_OFED_MODINIT, SI_ORDER_SECOND, _module_run, (fn))
85
86/*
87 * The following two macros are a workaround for not having a module
88 * load and unload order resolver:
89 */
90#define	module_init_order(fn, order)					\
91	SYSINIT(fn, SI_SUB_OFED_MODINIT, (order), _module_run, (fn))
92
93#define	module_exit_order(fn, order)				\
94	SYSUNINIT(fn, SI_SUB_OFED_MODINIT, (order), _module_run, (fn))
95
96#define	module_get(module)
97#define	module_put(module)
98#define	try_module_get(module)	1
99
100#endif	/* _LINUX_MODULE_H_ */
101