bsd/netat/sysglue.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Title:       sysglue.h - AppleTalk protocol to Unix System V/streams interface
  27  *
  28  * Facility:    AppleTalk Protocol Execution Environment
  29  *
  30  * Author:      Gregory Burns, Creation Date: Jun-3-1988
  31  *
  32  * History:
  33  * X01-001      Gregory Burns   3-Jun-1988
  34  *              Initial Creation.
  35  *
  36  */
  37
  38 #ifndef _NETAT_SYSGLUE_H_
  39 #define _NETAT_SYSGLUE_H_
  40 #include <sys/appleapiopts.h>
  41
  42 /*
  43    The following is originally from netat/h/localglue.h, which was
  44    included in netat/h/sysglue.h:
  45 */
  46
  47 typedef struct {
  48         int  ic_cmd;
  49         int  ic_timout;
  50         int  ic_len;
  51         char *ic_dp;
  52 } ioccmd_t;
  53
  54 typedef struct {
  55         int  ioc_cmd;
  56         void *ioc_cr;
  57         int  ioc_id;
  58         int  ioc_count;
  59         int  ioc_error;
  60         int  ioc_rval;
  61         void    *ioc_private;
  62         int  ioc_filler[4];
  63 } ioc_t;
  64
  65 /*
  66  * Want these definitions outside the KERNEL define for admin
  67  * program access.
  68  */
  69 #ifdef _AIX
  70 #define MSG_DATA        0x00
  71 #define MSG_PROTO       0x01
  72 #define MSG_IOCTL       0x0e
  73 #define MSG_ERROR       0x8a
  74 #define MSG_HANGUP      0x89
  75 #define MSG_IOCACK      0x81
  76 #define MSG_IOCNAK      0x82
  77 #define MSG_CTL         0x0d
  78 #else
  79 /* ### LD 5/3/97 MacOSX porting note:
  80  * Cannot use MSG_DATA = 0, because MT_FREE is defined as 0
  81  * and the sanity check in m_free cause a panic.
  82  */
  83
  84 #define MSG_DATA        (MT_MAX - 1)
  85 #define MSG_PROTO       (MT_MAX - 2)
  86 #define MSG_IOCTL       (MT_MAX - 3)
  87 #define MSG_ERROR       (MT_MAX - 4)
  88 #define MSG_HANGUP      (MT_MAX - 5)
  89 #define MSG_IOCACK      (MT_MAX - 6)
  90 #define MSG_IOCNAK      (MT_MAX - 7)
  91 #define MSG_CTL         (MT_MAX - 8)
  92 #endif
  93
  94 #ifdef KERNEL
  95 #ifdef __APPLE_API_PRIVATE
  96
  97 #define SYS_HZ HZ       /* Number of clock (SYS_SETTIMER) ticks per second */
  98 #define HZ hz           /* HZ ticks definition used throughout AppleTalk */
  99
 100 /* returned when the operation is not possible at this
 101  * time (ie when starting up or shutting down.
 102  * right now, uses ESHUTDOWN because ENOTREADY is not defined
 103  * in MacOSX. Need to find a better Error code ###LD
 104  */
 105 #define ENOTREADY       ESHUTDOWN
 106 #define ENOMSG          EOPNOTSUPP
 107 #define EPROTO          EPROTOTYPE
 108
 109 /* T_MPSAFE is used only in atp_open. I suspect it's a
 110  * trick to accelerate local atp transactions.
 111  */
 112 #define T_MPSAFE        0
 113
 114 #define INTERRUPTIBLE   1
 115 #define POLLIN          0x0001
 116 #define POLLOUT         0x0002
 117 #define POLLPRI         0x0004
 118 #define POLLMSG         0x0080
 119 #define POLLSYNC        0x8000
 120 #define POLLMSG         0x0080
 121
 122 /*
 123  * Define a new Data Type for file. it was DTYPE_OTHER for
 124  * AIX, for MacOSX there is no such define so defines
 125  * DTYPE_ATALK
 126  */
 127
 128 #define DTYPE_ATALK -1
 129
 130 #define AT_WR_OFFSET 38
 131 #ifndef EVENT_NULL
 132 #define EVENT_NULL   -1
 133 #define LOCK_HANDLER  2
 134 #endif
 135 typedef int atevent_t;
 136
 137 typedef simple_lock_t atlock_t;
 138 typedef int *atomic_p;
 139 #define ATLOCKINIT(a)  (a = (atlock_t) EVENT_NULL)
 140 #define ATDISABLE(l, a) (l = splimp())
 141 #define ATENABLE(l, a)  splx(l)
 142 #define ATEVENTINIT(a)  (a = (atevent_t) EVENT_NULL)
 143 #define DDP_OUTPUT(m) ddp_putmsg(0,m)
 144 #define StaticProc static
 145
 146 #define PRI_LO  1
 147 #define PRI_MED 2
 148 #define PRI_HI  3
 149
 150 typedef struct mbuf gbuf_t;
 151
 152 /* prototypes for the gbuf routines */
 153
 154 struct mbuf *m_lgbuf_alloc(int size, int wait);
 155 gbuf_t *gbuf_alloc_wait(int size, int wait);
 156 gbuf_t *gbuf_copym(gbuf_t *mlist);
 157 gbuf_t *gbuf_strip(gbuf_t *m);
 158 int gbuf_freel(gbuf_t *m);
 159 void gbuf_linkb(gbuf_t *m1, gbuf_t *m2);
 160 void gbuf_linkpkt(gbuf_t *m1, gbuf_t *m2);
 161 int gbuf_msgsize(gbuf_t *m);
 162
 163 #define gbuf_cont(m)    m->m_next
 164 #define gbuf_next(m)    m->m_nextpkt
 165 #define gbuf_rptr(m)    m->m_data
 166 #define gbuf_rinc(m,len)        {m->m_data += len; m->m_len -= len;}
 167 #define gbuf_rdec(m,len)        {m->m_data -= len; m->m_len += len;}
 168 #define gbuf_wptr(m)    (m->m_data + m->m_len)
 169 #define gbuf_winc(m,len)        (m->m_len += len)
 170 #define gbuf_wdec(m,len)        (m->m_len -= len)
 171 #define gbuf_wset(m,len)        (m->m_len = len)
 172 #define gbuf_type(m)    m->m_type
 173 #define gbuf_len(m)     m->m_len
 174
 175 #define gbuf_alloc(size, pri) (gbuf_alloc_wait(size, FALSE))
 176 #define gbuf_copym(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 177
 178 #define gbuf_prepend(m,len) M_PREPEND(m,len,M_DONTWAIT)
 179 #define gbuf_freem(mlist) m_freem((struct mbuf *)mlist)
 180 #define gbuf_freeb(m) (void)m_free((struct mbuf *)m)
 181 #define gbuf_set_type(m, mtype) MCHTYPE(m, mtype)
 182
 183 /* Duplicate a single mbuf, attaching existing external storage. */
 184 #define gbuf_dupb_wait(m, wait) ((gbuf_t *)m_copym(m, 0, gbuf_len(m), (wait)? M_WAIT: M_DONTWAIT))
 185 #define gbuf_dupb(m) (gbuf_dupb_wait(m, FALSE))
 186 /* Duplicate an mbuf chain, attaching existing external storage. */
 187 #define gbuf_dupm(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 188   /* *** was  ((gbuf_t *)m_copym(mlist, 0, M_COPYALL, M_DONTWAIT)) *** */
 189
 190 #undef timeoutcf
 191 #undef timeout
 192 #undef untimeout
 193
 194 #endif /* __APPLE_API_PRIVATE */
 195 #endif /* KERNEL */
 196 #endif /* _NETAT_SYSGLUE_H_ */