bsd/netat/sysglue.h

   1 /*
   2  * Copyright (c) 2000-2005 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 #include <sys/cdefs.h>
  39
  40 #ifdef __APPLE_API_OBSOLETE
  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 #ifdef KERNEL
  55 #ifdef KERNEL_PRIVATE
  56
  57 /* LP64 version of ioccmd_t.  all pointers
  58  * grow when we're dealing with a 64-bit process.
  59  * WARNING - keep in sync with ioccmd_t
  60  */
  61 #if __DARWIN_ALIGN_NATURAL
  62 #pragma options align=natural
  63 #endif
  64
  65 typedef struct {
  66         int             ic_cmd;
  67         int             ic_timout;
  68         int             ic_len;
  69         user_addr_t     ic_dp;
  70 } user_ioccmd_t;
  71
  72 #if __DARWIN_ALIGN_NATURAL
  73 #pragma options align=reset
  74 #endif
  75
  76 #endif // KERNEL_PRIVATE
  77 #endif // KERNEL
  78
  79 typedef struct {
  80         int  ioc_cmd;
  81         void *ioc_cr;
  82         int  ioc_id;
  83         int  ioc_count;
  84         int  ioc_error;
  85         int  ioc_rval;
  86         void    *ioc_private;
  87         int  ioc_filler[4];
  88 } ioc_t;
  89
  90 /*
  91  * Want these definitions outside the KERNEL define for admin
  92  * program access.
  93  */
  94 #ifdef _AIX
  95 #define MSG_DATA        0x00
  96 #define MSG_PROTO       0x01
  97 #define MSG_IOCTL       0x0e
  98 #define MSG_ERROR       0x8a
  99 #define MSG_HANGUP      0x89
 100 #define MSG_IOCACK      0x81
 101 #define MSG_IOCNAK      0x82
 102 #define MSG_CTL         0x0d
 103 #else
 104 /* ### LD 5/3/97 MacOSX porting note:
 105  * Cannot use MSG_DATA = 0, because MT_FREE is defined as 0
 106  * and the sanity check in m_free cause a panic.
 107  */
 108
 109 #define MSG_DATA        (MT_MAX - 1)
 110 #define MSG_PROTO       (MT_MAX - 2)
 111 #define MSG_IOCTL       (MT_MAX - 3)
 112 #define MSG_ERROR       (MT_MAX - 4)
 113 #define MSG_HANGUP      (MT_MAX - 5)
 114 #define MSG_IOCACK      (MT_MAX - 6)
 115 #define MSG_IOCNAK      (MT_MAX - 7)
 116 #define MSG_CTL         (MT_MAX - 8)
 117 #endif
 118
 119 #ifdef KERNEL
 120 #ifdef KERNEL_PRIVATE
 121
 122 #define SYS_HZ HZ       /* Number of clock (SYS_SETTIMER) ticks per second */
 123 #define HZ hz           /* HZ ticks definition used throughout AppleTalk */
 124
 125 /* returned when the operation is not possible at this
 126  * time (ie when starting up or shutting down.
 127  * right now, uses ESHUTDOWN because ENOTREADY is not defined
 128  * in MacOSX. Need to find a better Error code ###LD
 129  */
 130 #define ENOTREADY       ESHUTDOWN
 131
 132 /* T_MPSAFE is used only in atp_open. I suspect it's a
 133  * trick to accelerate local atp transactions.
 134  */
 135 #define T_MPSAFE        0
 136
 137 #define INTERRUPTIBLE   1
 138 #define POLLIN          0x0001
 139 #define POLLOUT         0x0002
 140 #define POLLPRI         0x0004
 141 #define POLLMSG         0x0080
 142 #define POLLSYNC        0x8000
 143 #define POLLMSG         0x0080
 144
 145 /*
 146  * Define a new Data Type for file. it was DTYPE_OTHER for
 147  * AIX, for MacOSX there is no such define so defines
 148  * DTYPE_ATALK
 149  */
 150
 151 #define DTYPE_ATALK -1
 152
 153 #define AT_WR_OFFSET 38
 154 #ifndef EVENT_NULL
 155 #define EVENT_NULL   -1
 156 #define LOCK_HANDLER  2
 157 #endif
 158 typedef int atevent_t;
 159
 160 typedef int atlock_t;
 161 typedef int *atomic_p;
 162 #define ATLOCKINIT(a)  (a = (atlock_t) EVENT_NULL)
 163 #define ATDISABLE(l, a)
 164 #define ATENABLE(l, a)
 165 #define ATEVENTINIT(a)  (a = (atevent_t) EVENT_NULL)
 166 #define DDP_OUTPUT(m) ddp_putmsg(0,m)
 167 #define StaticProc static
 168
 169 #define PRI_LO  1
 170 #define PRI_MED 2
 171 #define PRI_HI  3
 172
 173 typedef struct mbuf gbuf_t;
 174
 175 /* prototypes for the gbuf routines */
 176
 177 struct mbuf *m_lgbuf_alloc(int size, int wait);
 178 gbuf_t *gbuf_alloc_wait(int size, int wait);
 179 gbuf_t *gbuf_copym(gbuf_t *mlist);
 180 gbuf_t *gbuf_strip(gbuf_t *m);
 181 int gbuf_freel(gbuf_t *m);
 182 void gbuf_linkb(gbuf_t *m1, gbuf_t *m2);
 183 void gbuf_linkpkt(gbuf_t *m1, gbuf_t *m2);
 184 int gbuf_msgsize(gbuf_t *m);
 185
 186 #define gbuf_cont(m)    m->m_next
 187 #define gbuf_next(m)    m->m_nextpkt
 188 #define gbuf_rptr(m)    m->m_data
 189 #define gbuf_rinc(m,len)        {m->m_data += len; m->m_len -= len;}
 190 #define gbuf_rdec(m,len)        {m->m_data -= len; m->m_len += len;}
 191 #define gbuf_wptr(m)    (m->m_data + m->m_len)
 192 #define gbuf_winc(m,len)        (m->m_len += len)
 193 #define gbuf_wdec(m,len)        (m->m_len -= len)
 194 #define gbuf_wset(m,len)        (m->m_len = len)
 195 #define gbuf_type(m)    m->m_type
 196 #define gbuf_len(m)     m->m_len
 197
 198 #define gbuf_alloc(size, pri) (gbuf_alloc_wait(size, FALSE))
 199 #define gbuf_copym(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 200
 201 #define gbuf_prepend(m,len) M_PREPEND(m,len,M_DONTWAIT)
 202 #define gbuf_freem(mlist) m_freem((struct mbuf *)mlist)
 203 #define gbuf_freeb(m) (void)m_free((struct mbuf *)m)
 204 #define gbuf_set_type(m, mtype) MCHTYPE(m, mtype)
 205
 206 /* Duplicate a single mbuf, attaching existing external storage. */
 207 #define gbuf_dupb_wait(m, wait) ((gbuf_t *)m_copym(m, 0, gbuf_len(m), (wait)? M_WAIT: M_DONTWAIT))
 208 #define gbuf_dupb(m) (gbuf_dupb_wait(m, FALSE))
 209 /* Duplicate an mbuf chain, attaching existing external storage. */
 210 #define gbuf_dupm(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 211   /* *** was  ((gbuf_t *)m_copym(mlist, 0, M_COPYALL, M_DONTWAIT)) *** */
 212
 213 #undef timeoutcf
 214 #undef timeout
 215 #undef untimeout
 216
 217 #endif /* KERNEL_PRIVATE */
 218 #endif /* KERNEL */
 219 #endif /* __APPLE_API_OBSOLETE */
 220 #endif /* _NETAT_SYSGLUE_H_ */