sys/dev/ic/ath_netbsd.h

   1 /*      $NetBSD: ath_netbsd.h,v 1.8 2007/11/26 23:52:40 dyoung Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2003, 2004 David Young
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27 #ifndef _ATH_NETBSD_H
  28 #define _ATH_NETBSD_H
  29
  30 #undef KASSERT
  31 #define KASSERT(__cond, __complaint) if (!(__cond)) panic __complaint
  32
  33 typedef struct ath_task {
  34         void    (*t_func)(void*, int);
  35         void    *t_context;
  36 } ath_task_t;
  37
  38 #define ATH_CALLOUT_INIT(__ch, __mpsafe) callout_init((__ch), 0)
  39
  40 #define TASK_INIT(__task, __zero, __func, __context)    \
  41         do {                                            \
  42                 (__task)->t_func = (__func);            \
  43                 (__task)->t_context = (__context);      \
  44         } while (0)
  45
  46 #define TASK_RUN_OR_ENQUEUE(__task)     \
  47         ((*(__task)->t_func)((__task)->t_context, 1))
  48
  49 struct ath_lock {
  50         int count;
  51         int ipl;
  52 };
  53
  54 #define ATH_LOCK_INIT_IMPL(_obj, _member)               \
  55         do { (_obj)->_member.count = 0; } while (0)
  56 #define ATH_LOCK_IMPL(_obj, _member)                    \
  57         do {                                            \
  58                 int __s = splnet();                     \
  59                 if ((_obj)->_member.count++ == 0)       \
  60                         (_obj)->_member.ipl = __s;      \
  61         } while (0)
  62 #define ATH_UNLOCK_IMPL(_obj, _member)                                  \
  63         do {                                                            \
  64                 if (--(_obj)->_member.count == 0)                       \
  65                         splx((_obj)->_member.ipl);                      \
  66                 else {                                                  \
  67                         KASSERT((_obj)->_member.count >= 0,             \
  68                             ("%s: no ATH_LOCK holders", __func__));     \
  69                 }                                                       \
  70         } while (0)
  71
  72 typedef struct ath_lock ath_lock_t;
  73 #define ATH_LOCK_INIT(_sc)      ATH_LOCK_INIT_IMPL(_sc, sc_mtx)
  74 #define ATH_LOCK_DESTROY(_sc)
  75 #define ATH_LOCK(_sc)   ATH_LOCK_IMPL(_sc, sc_mtx)
  76 #define ATH_UNLOCK(_sc) ATH_UNLOCK_IMPL(_sc, sc_mtx)
  77 #define ATH_LOCK_ASSERT(_sc)
  78
  79 typedef struct ath_lock ath_txq_lock_t;
  80 #define ATH_TXQ_LOCK_INIT(_sc, _tq)     ATH_LOCK_INIT_IMPL(_tq, axq_lock)
  81 #define ATH_TXQ_LOCK_DESTROY(_tq)
  82 #define ATH_TXQ_LOCK(_tq)               ATH_LOCK_IMPL(_tq, axq_lock)
  83 #define ATH_TXQ_UNLOCK(_tq)             ATH_UNLOCK_IMPL(_tq, axq_lock)
  84 #define ATH_TXQ_LOCK_ASSERT(_tq)
  85
  86 typedef struct ath_lock ath_txbuf_lock_t;
  87 #define ATH_TXBUF_LOCK_INIT(_sc)        ATH_LOCK_INIT_IMPL(_sc, sc_txbuflock)
  88 #define ATH_TXBUF_LOCK_DESTROY(_sc)
  89 #define ATH_TXBUF_LOCK(_sc)             ATH_LOCK_IMPL(_sc, sc_txbuflock)
  90 #define ATH_TXBUF_UNLOCK(_sc)           ATH_UNLOCK_IMPL(_sc, sc_txbuflock)
  91 #define ATH_TXBUF_LOCK_ASSERT(_sc)
  92
  93 #define NET_LOCK_GIANT()
  94 #define NET_UNLOCK_GIANT()
  95
  96 #define IF_LOCK(__q)
  97 #define IF_UNLOCK(__q)
  98
  99 #define SYSCTL_INT_SUBR(__rw, __name, __descr)                               \
 100         sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),     \
 101             CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), ath_sysctl_##__name,\
 102             0, sc, 0, CTL_CREATE, CTL_EOL)
 103
 104 #define __PFX(__pfx, __name)    __pfx##__name
 105
 106 #define SYSCTL_PFX_INT(__pfx, __rw, __name, __descr)                    \
 107         sysctl_createv(log, 0, &rnode, &cnode, CTLFLAG_PERMANENT|(__rw),\
 108             CTLTYPE_INT, #__name, SYSCTL_DESCR(__descr), NULL, 0,       \
 109             __PFX(&__pfx, __name), 0, CTL_CREATE, CTL_EOL)
 110
 111 #define SYSCTL_INT(__rw, __name, __descr)                               \
 112         SYSCTL_PFX_INT(sc->sc_, __rw, __name, __descr)
 113
 114 #define SYSCTL_GLOBAL_INT(__rw, __name, __descr, __var)                 \
 115         sysctl_createv(clog, 0, &rnode, &cnode,                         \
 116             CTLFLAG_PERMANENT|(__rw), CTLTYPE_INT, __name,              \
 117             SYSCTL_DESCR(__descr), NULL, 0, &ath_##__var, 0, CTL_CREATE,\
 118             CTL_EOL)
 119
 120 extern void device_printf(device_t, const char *fmt, ...)
 121     __attribute__((__format__(__printf__,2,3)));
 122 const struct sysctlnode *ath_sysctl_treetop(struct sysctllog **);
 123 const struct sysctlnode *ath_sysctl_instance(const char *, struct sysctllog **);
 124
 125 #endif /* _ATH_NETBSD_H */