bsd/netat/sysglue.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Title:       sysglue.h - AppleTalk protocol to Unix System V/streams interface
  30  *
  31  * Facility:    AppleTalk Protocol Execution Environment
  32  *
  33  * Author:      Gregory Burns, Creation Date: Jun-3-1988
  34  *
  35  * History:
  36  * X01-001      Gregory Burns   3-Jun-1988
  37  *              Initial Creation.
  38  *
  39  */
  40
  41 #ifndef _NETAT_SYSGLUE_H_
  42 #define _NETAT_SYSGLUE_H_
  43 #include <sys/appleapiopts.h>
  44 #include <sys/cdefs.h>
  45
  46 #ifdef __APPLE_API_OBSOLETE
  47
  48 /*
  49    The following is originally from netat/h/localglue.h, which was
  50    included in netat/h/sysglue.h:
  51 */
  52
  53 typedef struct {
  54         int  ic_cmd;
  55         int  ic_timout;
  56         int  ic_len;
  57         char *ic_dp;
  58 } ioccmd_t;
  59
  60 #ifdef KERNEL
  61 #ifdef KERNEL_PRIVATE
  62
  63 /* LP64 version of ioccmd_t.  all pointers
  64  * grow when we're dealing with a 64-bit process.
  65  * WARNING - keep in sync with ioccmd_t
  66  */
  67 #if __DARWIN_ALIGN_NATURAL
  68 #pragma options align=natural
  69 #endif
  70
  71 typedef struct {
  72         int             ic_cmd;
  73         int             ic_timout;
  74         int             ic_len;
  75         user_addr_t     ic_dp;
  76 } user_ioccmd_t;
  77
  78 #if __DARWIN_ALIGN_NATURAL
  79 #pragma options align=reset
  80 #endif
  81
  82 #endif // KERNEL_PRIVATE
  83 #endif // KERNEL
  84
  85 typedef struct {
  86         int  ioc_cmd;
  87         void *ioc_cr;
  88         int  ioc_id;
  89         int  ioc_count;
  90         int  ioc_error;
  91         int  ioc_rval;
  92         void    *ioc_private;
  93         int  ioc_filler[4];
  94 } ioc_t;
  95
  96 /*
  97  * Want these definitions outside the KERNEL define for admin
  98  * program access.
  99  */
 100 #ifdef _AIX
 101 #define MSG_DATA        0x00
 102 #define MSG_PROTO       0x01
 103 #define MSG_IOCTL       0x0e
 104 #define MSG_ERROR       0x8a
 105 #define MSG_HANGUP      0x89
 106 #define MSG_IOCACK      0x81
 107 #define MSG_IOCNAK      0x82
 108 #define MSG_CTL         0x0d
 109 #else
 110 /* ### LD 5/3/97 MacOSX porting note:
 111  * Cannot use MSG_DATA = 0, because MT_FREE is defined as 0
 112  * and the sanity check in m_free cause a panic.
 113  */
 114
 115 #define MSG_DATA        (MT_MAX - 1)
 116 #define MSG_PROTO       (MT_MAX - 2)
 117 #define MSG_IOCTL       (MT_MAX - 3)
 118 #define MSG_ERROR       (MT_MAX - 4)
 119 #define MSG_HANGUP      (MT_MAX - 5)
 120 #define MSG_IOCACK      (MT_MAX - 6)
 121 #define MSG_IOCNAK      (MT_MAX - 7)
 122 #define MSG_CTL         (MT_MAX - 8)
 123 #endif
 124
 125 #ifdef KERNEL
 126 #ifdef KERNEL_PRIVATE
 127
 128 #define SYS_HZ HZ       /* Number of clock (SYS_SETTIMER) ticks per second */
 129 #define HZ hz           /* HZ ticks definition used throughout AppleTalk */
 130
 131 /* returned when the operation is not possible at this
 132  * time (ie when starting up or shutting down.
 133  * right now, uses ESHUTDOWN because ENOTREADY is not defined
 134  * in MacOSX. Need to find a better Error code ###LD
 135  */
 136 #define ENOTREADY       ESHUTDOWN
 137
 138 /* T_MPSAFE is used only in atp_open. I suspect it's a
 139  * trick to accelerate local atp transactions.
 140  */
 141 #define T_MPSAFE        0
 142
 143 #define INTERRUPTIBLE   1
 144 #define POLLIN          0x0001
 145 #define POLLOUT         0x0002
 146 #define POLLPRI         0x0004
 147 #define POLLMSG         0x0080
 148 #define POLLSYNC        0x8000
 149 #define POLLMSG         0x0080
 150
 151 /*
 152  * Define a new Data Type for file. it was DTYPE_OTHER for
 153  * AIX, for MacOSX there is no such define so defines
 154  * DTYPE_ATALK
 155  */
 156
 157 #define DTYPE_ATALK -1
 158
 159 #define AT_WR_OFFSET 38
 160 #ifndef EVENT_NULL
 161 #define EVENT_NULL   -1
 162 #define LOCK_HANDLER  2
 163 #endif
 164 typedef int atevent_t;
 165
 166 typedef int atlock_t;
 167 typedef int *atomic_p;
 168 #define ATLOCKINIT(a)  (a = (atlock_t) EVENT_NULL)
 169 #define ATDISABLE(l, a)
 170 #define ATENABLE(l, a)
 171 #define ATEVENTINIT(a)  (a = (atevent_t) EVENT_NULL)
 172 #define DDP_OUTPUT(m) ddp_putmsg(0,m)
 173 #define StaticProc static
 174
 175 #define PRI_LO  1
 176 #define PRI_MED 2
 177 #define PRI_HI  3
 178
 179 typedef struct mbuf gbuf_t;
 180
 181 /* prototypes for the gbuf routines */
 182
 183 struct mbuf *m_lgbuf_alloc(int size, int wait);
 184 gbuf_t *gbuf_alloc_wait(int size, int wait);
 185 gbuf_t *gbuf_copym(gbuf_t *mlist);
 186 gbuf_t *gbuf_strip(gbuf_t *m);
 187 int gbuf_freel(gbuf_t *m);
 188 void gbuf_linkb(gbuf_t *m1, gbuf_t *m2);
 189 void gbuf_linkpkt(gbuf_t *m1, gbuf_t *m2);
 190 int gbuf_msgsize(gbuf_t *m);
 191
 192 #define gbuf_cont(m)    m->m_next
 193 #define gbuf_next(m)    m->m_nextpkt
 194 #define gbuf_rptr(m)    m->m_data
 195 #define gbuf_rinc(m,len)        {m->m_data += len; m->m_len -= len;}
 196 #define gbuf_rdec(m,len)        {m->m_data -= len; m->m_len += len;}
 197 #define gbuf_wptr(m)    (m->m_data + m->m_len)
 198 #define gbuf_winc(m,len)        (m->m_len += len)
 199 #define gbuf_wdec(m,len)        (m->m_len -= len)
 200 #define gbuf_wset(m,len)        (m->m_len = len)
 201 #define gbuf_type(m)    m->m_type
 202 #define gbuf_len(m)     m->m_len
 203
 204 #define gbuf_alloc(size, pri) (gbuf_alloc_wait(size, FALSE))
 205 #define gbuf_copym(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 206
 207 #define gbuf_prepend(m,len) M_PREPEND(m,len,M_DONTWAIT)
 208 #define gbuf_freem(mlist) m_freem((struct mbuf *)mlist)
 209 #define gbuf_freeb(m) (void)m_free((struct mbuf *)m)
 210 #define gbuf_set_type(m, mtype) MCHTYPE(m, mtype)
 211
 212 /* Duplicate a single mbuf, attaching existing external storage. */
 213 #define gbuf_dupb_wait(m, wait) ((gbuf_t *)m_copym(m, 0, gbuf_len(m), (wait)? M_WAIT: M_DONTWAIT))
 214 #define gbuf_dupb(m) (gbuf_dupb_wait(m, FALSE))
 215 /* Duplicate an mbuf chain, attaching existing external storage. */
 216 #define gbuf_dupm(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 217   /* *** was  ((gbuf_t *)m_copym(mlist, 0, M_COPYALL, M_DONTWAIT)) *** */
 218
 219 #undef timeoutcf
 220 #undef timeout
 221 #undef untimeout
 222
 223 #endif /* KERNEL_PRIVATE */
 224 #endif /* KERNEL */
 225 #endif /* __APPLE_API_OBSOLETE */
 226 #endif /* _NETAT_SYSGLUE_H_ */