bsd/netat/sysglue.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Title:       sysglue.h - AppleTalk protocol to Unix System V/streams interface
  24  *
  25  * Facility:    AppleTalk Protocol Execution Environment
  26  *
  27  * Author:      Gregory Burns, Creation Date: Jun-3-1988
  28  *
  29  * History:
  30  * X01-001      Gregory Burns   3-Jun-1988
  31  *              Initial Creation.
  32  *
  33  */
  34
  35 #ifndef _NETAT_SYSGLUE_H_
  36 #define _NETAT_SYSGLUE_H_
  37
  38 /*
  39    The following is originally from netat/h/localglue.h, which was
  40    included in netat/h/sysglue.h:
  41 */
  42
  43 typedef struct {
  44         int  ic_cmd;
  45         int  ic_timout;
  46         int  ic_len;
  47         char *ic_dp;
  48 } ioccmd_t;
  49
  50 typedef struct {
  51         int  ioc_cmd;
  52         void *ioc_cr;
  53         int  ioc_id;
  54         int  ioc_count;
  55         int  ioc_error;
  56         int  ioc_rval;
  57         void    *ioc_private;
  58         int  ioc_filler[4];
  59 } ioc_t;
  60
  61 /*
  62  * Want these definitions outside the KERNEL define for admin
  63  * program access.
  64  */
  65 #ifdef _AIX
  66 #define MSG_DATA        0x00
  67 #define MSG_PROTO       0x01
  68 #define MSG_IOCTL       0x0e
  69 #define MSG_ERROR       0x8a
  70 #define MSG_HANGUP      0x89
  71 #define MSG_IOCACK      0x81
  72 #define MSG_IOCNAK      0x82
  73 #define MSG_CTL         0x0d
  74 #else
  75 /* ### LD 5/3/97 MacOSX porting note:
  76  * Cannot use MSG_DATA = 0, because MT_FREE is defined as 0
  77  * and the sanity check in m_free cause a panic.
  78  */
  79
  80 #define MSG_DATA        (MT_MAX - 1)
  81 #define MSG_PROTO       (MT_MAX - 2)
  82 #define MSG_IOCTL       (MT_MAX - 3)
  83 #define MSG_ERROR       (MT_MAX - 4)
  84 #define MSG_HANGUP      (MT_MAX - 5)
  85 #define MSG_IOCACK      (MT_MAX - 6)
  86 #define MSG_IOCNAK      (MT_MAX - 7)
  87 #define MSG_CTL         (MT_MAX - 8)
  88 #endif
  89
  90 #ifdef KERNEL
  91
  92 #define SYS_HZ HZ       /* Number of clock (SYS_SETTIMER) ticks per second */
  93 #define HZ hz           /* HZ ticks definition used throughout AppleTalk */
  94
  95 /* returned when the operation is not possible at this
  96  * time (ie when starting up or shutting down.
  97  * right now, uses ESHUTDOWN because ENOTREADY is not defined
  98  * in MacOSX. Need to find a better Error code ###LD
  99  */
 100 #define ENOTREADY       ESHUTDOWN
 101 #define ENOMSG          EOPNOTSUPP
 102 #define EPROTO          EPROTOTYPE
 103
 104 /* T_MPSAFE is used only in atp_open. I suspect it's a
 105  * trick to accelerate local atp transactions.
 106  */
 107 #define T_MPSAFE        0
 108
 109 #define INTERRUPTIBLE   1
 110 #define POLLIN          0x0001
 111 #define POLLOUT         0x0002
 112 #define POLLPRI         0x0004
 113 #define POLLMSG         0x0080
 114 #define POLLSYNC        0x8000
 115 #define POLLMSG         0x0080
 116
 117 /*
 118  * Define a new Data Type for file. it was DTYPE_OTHER for
 119  * AIX, for MacOSX there is no such define so defines
 120  * DTYPE_ATALK
 121  */
 122
 123 #define DTYPE_ATALK -1
 124
 125 #define AT_WR_OFFSET 38
 126 #ifndef EVENT_NULL
 127 #define EVENT_NULL   -1
 128 #define LOCK_HANDLER  2
 129 #endif
 130 typedef int atevent_t;
 131
 132 typedef simple_lock_t atlock_t;
 133 typedef int *atomic_p;
 134 #define ATLOCKINIT(a)  (a = (atlock_t) EVENT_NULL)
 135 #define ATDISABLE(l, a) (l = splimp())
 136 #define ATENABLE(l, a)  splx(l)
 137 #define ATEVENTINIT(a)  (a = (atevent_t) EVENT_NULL)
 138 #define DDP_OUTPUT(m) ddp_putmsg(0,m)
 139 #define StaticProc static
 140
 141 #define PRI_LO  1
 142 #define PRI_MED 2
 143 #define PRI_HI  3
 144
 145 typedef struct mbuf gbuf_t;
 146
 147 /* prototypes for the gbuf routines */
 148
 149 struct mbuf *m_lgbuf_alloc(int size, int wait);
 150 gbuf_t *gbuf_alloc_wait(int size, int wait);
 151 gbuf_t *gbuf_copym(gbuf_t *mlist);
 152 gbuf_t *gbuf_strip(gbuf_t *m);
 153 int gbuf_freel(gbuf_t *m);
 154 void gbuf_linkb(gbuf_t *m1, gbuf_t *m2);
 155 void gbuf_linkpkt(gbuf_t *m1, gbuf_t *m2);
 156 int gbuf_msgsize(gbuf_t *m);
 157
 158 #define gbuf_cont(m)    m->m_next
 159 #define gbuf_next(m)    m->m_nextpkt
 160 #define gbuf_rptr(m)    m->m_data
 161 #define gbuf_rinc(m,len)        {m->m_data += len; m->m_len -= len;}
 162 #define gbuf_rdec(m,len)        {m->m_data -= len; m->m_len += len;}
 163 #define gbuf_wptr(m)    (m->m_data + m->m_len)
 164 #define gbuf_winc(m,len)        (m->m_len += len)
 165 #define gbuf_wdec(m,len)        (m->m_len -= len)
 166 #define gbuf_wset(m,len)        (m->m_len = len)
 167 #define gbuf_type(m)    m->m_type
 168 #define gbuf_len(m)     m->m_len
 169
 170 #define gbuf_alloc(size, pri) (gbuf_alloc_wait(size, FALSE))
 171 #define gbuf_copym(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 172
 173 #define gbuf_prepend(m,len) M_PREPEND(m,len,M_DONTWAIT)
 174 #define gbuf_freem(mlist) m_freem((struct mbuf *)mlist)
 175 #define gbuf_freeb(m) (void)m_free((struct mbuf *)m)
 176 #define gbuf_set_type(m, mtype) MCHTYPE(m, mtype)
 177
 178 /* Duplicate a single mbuf, attaching existing external storage. */
 179 #define gbuf_dupb_wait(m, wait) ((gbuf_t *)m_copym(m, 0, gbuf_len(m), (wait)? M_WAIT: M_DONTWAIT))
 180 #define gbuf_dupb(m) (gbuf_dupb_wait(m, FALSE))
 181 /* Duplicate an mbuf chain, attaching existing external storage. */
 182 #define gbuf_dupm(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 183   /* *** was  ((gbuf_t *)m_copym(mlist, 0, M_COPYALL, M_DONTWAIT)) *** */
 184
 185 #undef timeoutcf
 186 #undef timeout
 187 #undef untimeout
 188
 189 #endif /* KERNEL */
 190 #endif /* _NETAT_SYSGLUE_H_ */