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 #include <sys/appleapiopts.h>
  38
  39 /*
  40    The following is originally from netat/h/localglue.h, which was
  41    included in netat/h/sysglue.h:
  42 */
  43
  44 typedef struct {
  45         int  ic_cmd;
  46         int  ic_timout;
  47         int  ic_len;
  48         char *ic_dp;
  49 } ioccmd_t;
  50
  51 typedef struct {
  52         int  ioc_cmd;
  53         void *ioc_cr;
  54         int  ioc_id;
  55         int  ioc_count;
  56         int  ioc_error;
  57         int  ioc_rval;
  58         void    *ioc_private;
  59         int  ioc_filler[4];
  60 } ioc_t;
  61
  62 /*
  63  * Want these definitions outside the KERNEL define for admin
  64  * program access.
  65  */
  66 #ifdef _AIX
  67 #define MSG_DATA        0x00
  68 #define MSG_PROTO       0x01
  69 #define MSG_IOCTL       0x0e
  70 #define MSG_ERROR       0x8a
  71 #define MSG_HANGUP      0x89
  72 #define MSG_IOCACK      0x81
  73 #define MSG_IOCNAK      0x82
  74 #define MSG_CTL         0x0d
  75 #else
  76 /* ### LD 5/3/97 MacOSX porting note:
  77  * Cannot use MSG_DATA = 0, because MT_FREE is defined as 0
  78  * and the sanity check in m_free cause a panic.
  79  */
  80
  81 #define MSG_DATA        (MT_MAX - 1)
  82 #define MSG_PROTO       (MT_MAX - 2)
  83 #define MSG_IOCTL       (MT_MAX - 3)
  84 #define MSG_ERROR       (MT_MAX - 4)
  85 #define MSG_HANGUP      (MT_MAX - 5)
  86 #define MSG_IOCACK      (MT_MAX - 6)
  87 #define MSG_IOCNAK      (MT_MAX - 7)
  88 #define MSG_CTL         (MT_MAX - 8)
  89 #endif
  90
  91 #ifdef KERNEL
  92 #ifdef __APPLE_API_PRIVATE
  93
  94 #define SYS_HZ HZ       /* Number of clock (SYS_SETTIMER) ticks per second */
  95 #define HZ hz           /* HZ ticks definition used throughout AppleTalk */
  96
  97 /* returned when the operation is not possible at this
  98  * time (ie when starting up or shutting down.
  99  * right now, uses ESHUTDOWN because ENOTREADY is not defined
 100  * in MacOSX. Need to find a better Error code ###LD
 101  */
 102 #define ENOTREADY       ESHUTDOWN
 103 #define ENOMSG          EOPNOTSUPP
 104 #define EPROTO          EPROTOTYPE
 105
 106 /* T_MPSAFE is used only in atp_open. I suspect it's a
 107  * trick to accelerate local atp transactions.
 108  */
 109 #define T_MPSAFE        0
 110
 111 #define INTERRUPTIBLE   1
 112 #define POLLIN          0x0001
 113 #define POLLOUT         0x0002
 114 #define POLLPRI         0x0004
 115 #define POLLMSG         0x0080
 116 #define POLLSYNC        0x8000
 117 #define POLLMSG         0x0080
 118
 119 /*
 120  * Define a new Data Type for file. it was DTYPE_OTHER for
 121  * AIX, for MacOSX there is no such define so defines
 122  * DTYPE_ATALK
 123  */
 124
 125 #define DTYPE_ATALK -1
 126
 127 #define AT_WR_OFFSET 38
 128 #ifndef EVENT_NULL
 129 #define EVENT_NULL   -1
 130 #define LOCK_HANDLER  2
 131 #endif
 132 typedef int atevent_t;
 133
 134 typedef simple_lock_t atlock_t;
 135 typedef int *atomic_p;
 136 #define ATLOCKINIT(a)  (a = (atlock_t) EVENT_NULL)
 137 #define ATDISABLE(l, a) (l = splimp())
 138 #define ATENABLE(l, a)  splx(l)
 139 #define ATEVENTINIT(a)  (a = (atevent_t) EVENT_NULL)
 140 #define DDP_OUTPUT(m) ddp_putmsg(0,m)
 141 #define StaticProc static
 142
 143 #define PRI_LO  1
 144 #define PRI_MED 2
 145 #define PRI_HI  3
 146
 147 typedef struct mbuf gbuf_t;
 148
 149 /* prototypes for the gbuf routines */
 150
 151 struct mbuf *m_lgbuf_alloc(int size, int wait);
 152 gbuf_t *gbuf_alloc_wait(int size, int wait);
 153 gbuf_t *gbuf_copym(gbuf_t *mlist);
 154 gbuf_t *gbuf_strip(gbuf_t *m);
 155 int gbuf_freel(gbuf_t *m);
 156 void gbuf_linkb(gbuf_t *m1, gbuf_t *m2);
 157 void gbuf_linkpkt(gbuf_t *m1, gbuf_t *m2);
 158 int gbuf_msgsize(gbuf_t *m);
 159
 160 #define gbuf_cont(m)    m->m_next
 161 #define gbuf_next(m)    m->m_nextpkt
 162 #define gbuf_rptr(m)    m->m_data
 163 #define gbuf_rinc(m,len)        {m->m_data += len; m->m_len -= len;}
 164 #define gbuf_rdec(m,len)        {m->m_data -= len; m->m_len += len;}
 165 #define gbuf_wptr(m)    (m->m_data + m->m_len)
 166 #define gbuf_winc(m,len)        (m->m_len += len)
 167 #define gbuf_wdec(m,len)        (m->m_len -= len)
 168 #define gbuf_wset(m,len)        (m->m_len = len)
 169 #define gbuf_type(m)    m->m_type
 170 #define gbuf_len(m)     m->m_len
 171
 172 #define gbuf_alloc(size, pri) (gbuf_alloc_wait(size, FALSE))
 173 #define gbuf_copym(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 174
 175 #define gbuf_prepend(m,len) M_PREPEND(m,len,M_DONTWAIT)
 176 #define gbuf_freem(mlist) m_freem((struct mbuf *)mlist)
 177 #define gbuf_freeb(m) (void)m_free((struct mbuf *)m)
 178 #define gbuf_set_type(m, mtype) MCHTYPE(m, mtype)
 179
 180 /* Duplicate a single mbuf, attaching existing external storage. */
 181 #define gbuf_dupb_wait(m, wait) ((gbuf_t *)m_copym(m, 0, gbuf_len(m), (wait)? M_WAIT: M_DONTWAIT))
 182 #define gbuf_dupb(m) (gbuf_dupb_wait(m, FALSE))
 183 /* Duplicate an mbuf chain, attaching existing external storage. */
 184 #define gbuf_dupm(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 185   /* *** was  ((gbuf_t *)m_copym(mlist, 0, M_COPYALL, M_DONTWAIT)) *** */
 186
 187 #undef timeoutcf
 188 #undef timeout
 189 #undef untimeout
 190
 191 #endif /* __APPLE_API_PRIVATE */
 192 #endif /* KERNEL */
 193 #endif /* _NETAT_SYSGLUE_H_ */