xref: /linux/drivers/staging/rtl8712/osdep_service.h (revision a13d7201d7deedcbb6ac6efa94a1a7d34d3d79ec)
1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17  *
18  * Modifications for inclusion into the Linux staging tree are
19  * Copyright(c) 2010 Larry Finger. All rights reserved.
20  *
21  * Contact information:
22  * WLAN FAE <wlanfae@realtek.com>
23  * Larry Finger <Larry.Finger@lwfinger.net>
24  *
25  ******************************************************************************/
26 #ifndef __OSDEP_SERVICE_H_
27 #define __OSDEP_SERVICE_H_
28 
29 #define _SUCCESS	1
30 #define _FAIL		0
31 
32 #include <linux/spinlock.h>
33 
34 #include <linux/interrupt.h>
35 #include <linux/semaphore.h>
36 #include <linux/sched.h>
37 #include <linux/sem.h>
38 #include <linux/netdevice.h>
39 #include <linux/etherdevice.h>
40 #include <net/iw_handler.h>
41 #include <linux/proc_fs.h>      /* Necessary because we use the proc fs */
42 
43 #include "basic_types.h"
44 
45 struct	__queue	{
46 	struct	list_head	queue;
47 	spinlock_t lock;
48 };
49 
50 #define _pkt struct sk_buff
51 #define _buffer unsigned char
52 #define thread_exit() complete_and_exit(NULL, 0)
53 
54 #define _init_queue(pqueue)				\
55 	do {						\
56 		INIT_LIST_HEAD(&((pqueue)->queue));	\
57 		spin_lock_init(&((pqueue)->lock));	\
58 	} while (0)
59 
60 #define LIST_CONTAINOR(ptr, type, member) \
61 	((type *)((char *)(ptr)-(SIZE_T)(&((type *)0)->member)))
62 
63 #ifndef BIT
64 	#define BIT(x)	(1 << (x))
65 #endif
66 
67 static inline u32 _down_sema(struct semaphore *sema)
68 {
69 	if (down_interruptible(sema))
70 		return _FAIL;
71 	return _SUCCESS;
72 }
73 
74 static inline u32 end_of_queue_search(struct list_head *head,
75 		struct list_head *plist)
76 {
77 	return (head == plist);
78 }
79 
80 static inline void sleep_schedulable(int ms)
81 {
82 	u32 delta;
83 
84 	delta = msecs_to_jiffies(ms);/*(ms)*/
85 	set_current_state(TASK_INTERRUPTIBLE);
86 	schedule_timeout(delta);
87 }
88 
89 static inline void flush_signals_thread(void)
90 {
91 	if (signal_pending(current))
92 		flush_signals(current);
93 }
94 
95 #endif
96 
97