release/src-rt/include/emf/igs/osl_linux.h

   1 /*
   2  * Copyright (C) 2009, Broadcom Corporation
   3  * All Rights Reserved.
   4  *
   5  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
   6  * the contents of this file may not be disclosed to third parties, copied
   7  * or duplicated in any form, in whole or in part, without the prior
   8  * written permission of Broadcom Corporation.
   9  *
  10  * $Id: osl_linux.h,v 1.2 2008/08/12 17:50:33 Exp $
  11  */
  12
  13 #ifndef _OSL_LINUX_H_
  14 #define _OSL_LINUX_H_
  15
  16 #include <linux/types.h>
  17 #include <linux/timer.h>
  18 #include <linux/kernel.h>
  19 #include <linux/spinlock.h>
  20
  21 struct osl_lock
  22 {
  23         spinlock_t slock;       /* Spin lock */
  24         uint8      name[16];    /* Name of the lock */
  25 };
  26
  27 typedef struct osl_lock *osl_lock_t;
  28
  29 static inline osl_lock_t
  30 OSL_LOCK_CREATE(uint8 *name)
  31 {
  32         osl_lock_t lock;
  33
  34         lock = MALLOC(NULL, sizeof(osl_lock_t));
  35
  36         if (lock == NULL)
  37         {
  38                 printf("Memory alloc for lock object failed\n");
  39                 return (NULL);
  40         }
  41
  42         spin_lock_init(&lock->slock);
  43         strncpy(lock->name, name, 16);
  44
  45         return (lock);
  46 }
  47
  48 static inline void
  49 OSL_LOCK_DESTROY(osl_lock_t lock)
  50 {
  51         MFREE(NULL, lock, sizeof(osl_lock_t));
  52         return;
  53 }
  54
  55 #define OSL_LOCK(lock)          spin_lock_bh(&((lock)->slock))
  56 #define OSL_UNLOCK(lock)        spin_unlock_bh(&((lock)->slock))
  57
  58 #define DEV_IFNAME(dev)         (((struct net_device *)dev)->name)
  59
  60 typedef struct osl_timer {
  61         struct timer_list timer;
  62         void   (*fn)(void *);
  63         void   *arg;
  64         uint   ms;
  65         bool   periodic;
  66         bool   set;
  67 } osl_timer_t;
  68
  69 extern osl_timer_t *osl_timer_init(const char *name, void (*fn)(void *arg), void *arg);
  70 extern void osl_timer_add(osl_timer_t *t, uint32 ms, bool periodic);
  71 extern void osl_timer_update(osl_timer_t *t, uint32 ms, bool periodic);
  72 extern bool osl_timer_del(osl_timer_t *t);
  73 extern osl_lock_t OSL_LOCK_CREATE(uint8 *name);
  74 extern void OSL_LOCK_DESTROY(osl_lock_t lock);
  75
  76 #endif /* _OSL_LINUX_H_ */