bsd/netat/sysglue.h

   1 /*
   2  * Copyright (c) 2000-2006 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 typedef struct {
  68         int             ic_cmd;
  69         int             ic_timout;
  70         int             ic_len;
  71         user_addr_t     ic_dp __attribute__((aligned(8)));
  72 } user_ioccmd_t;
  73
  74 #endif // KERNEL_PRIVATE
  75 #endif // KERNEL
  76
  77 typedef struct {
  78         int  ioc_cmd;
  79         void *ioc_cr;
  80         int  ioc_id;
  81         int  ioc_count;
  82         int  ioc_error;
  83         int  ioc_rval;
  84         void    *ioc_private;
  85         int  ioc_filler[4];
  86 } ioc_t;
  87
  88 /*
  89  * Want these definitions outside the KERNEL define for admin
  90  * program access.
  91  */
  92 #ifdef _AIX
  93 #define MSG_DATA        0x00
  94 #define MSG_PROTO       0x01
  95 #define MSG_IOCTL       0x0e
  96 #define MSG_ERROR       0x8a
  97 #define MSG_HANGUP      0x89
  98 #define MSG_IOCACK      0x81
  99 #define MSG_IOCNAK      0x82
 100 #define MSG_CTL         0x0d
 101 #else
 102 /* ### LD 5/3/97 MacOSX porting note:
 103  * Cannot use MSG_DATA = 0, because MT_FREE is defined as 0
 104  * and the sanity check in m_free cause a panic.
 105  */
 106
 107 #define MSG_DATA        (MT_MAX - 1)
 108 #define MSG_PROTO       (MT_MAX - 2)
 109 #define MSG_IOCTL       (MT_MAX - 3)
 110 #define MSG_ERROR       (MT_MAX - 4)
 111 #define MSG_HANGUP      (MT_MAX - 5)
 112 #define MSG_IOCACK      (MT_MAX - 6)
 113 #define MSG_IOCNAK      (MT_MAX - 7)
 114 #define MSG_CTL         (MT_MAX - 8)
 115 #endif
 116
 117 #ifdef KERNEL
 118 #ifdef KERNEL_PRIVATE
 119
 120 #define SYS_HZ HZ       /* Number of clock (SYS_SETTIMER) ticks per second */
 121 #define HZ hz           /* HZ ticks definition used throughout AppleTalk */
 122
 123 /* returned when the operation is not possible at this
 124  * time (ie when starting up or shutting down.
 125  * right now, uses ESHUTDOWN because ENOTREADY is not defined
 126  * in MacOSX. Need to find a better Error code ###LD
 127  */
 128 #define ENOTREADY       ESHUTDOWN
 129
 130 /* T_MPSAFE is used only in atp_open. I suspect it's a
 131  * trick to accelerate local atp transactions.
 132  */
 133 #define T_MPSAFE        0
 134
 135 #define INTERRUPTIBLE   1
 136 #define POLLIN          0x0001
 137 #define POLLOUT         0x0002
 138 #define POLLPRI         0x0004
 139 #define POLLMSG         0x0080
 140 #define POLLSYNC        0x8000
 141 #define POLLMSG         0x0080
 142
 143 /*
 144  * Define a new Data Type for file. it was DTYPE_OTHER for
 145  * AIX, for MacOSX there is no such define so defines
 146  * DTYPE_ATALK
 147  */
 148
 149 #define DTYPE_ATALK -1
 150
 151 #define AT_WR_OFFSET 38
 152 #ifndef EVENT_NULL
 153 #define EVENT_NULL   -1
 154 #define LOCK_HANDLER  2
 155 #endif
 156 typedef int atevent_t;
 157
 158 typedef int atlock_t;
 159 #define ATEVENTINIT(a)  (a = (atevent_t) EVENT_NULL)
 160 #define DDP_OUTPUT(m) ddp_putmsg(0,m)
 161 #define StaticProc static
 162
 163 #define PRI_LO  1
 164 #define PRI_MED 2
 165 #define PRI_HI  3
 166
 167 typedef struct mbuf gbuf_t;
 168
 169 /* prototypes for the gbuf routines */
 170
 171 struct mbuf *m_lgbuf_alloc(int size, int wait);
 172 gbuf_t *gbuf_alloc_wait(int size, int wait);
 173 gbuf_t *gbuf_copym(gbuf_t *mlist);
 174 gbuf_t *gbuf_strip(gbuf_t *m);
 175 int gbuf_freel(gbuf_t *m);
 176 void gbuf_linkb(gbuf_t *m1, gbuf_t *m2);
 177 void gbuf_linkpkt(gbuf_t *m1, gbuf_t *m2);
 178 int gbuf_msgsize(gbuf_t *m);
 179 struct mbuf *copy_pkt(struct mbuf *, int);
 180 int append_copy(struct mbuf *, struct mbuf *, int);
 181
 182 #define gbuf_cont(m)    m->m_next
 183 #define gbuf_next(m)    m->m_nextpkt
 184 #define gbuf_rptr(m)    m->m_data
 185 #define gbuf_rinc(m,len)        {m->m_data += len; m->m_len -= len;}
 186 #define gbuf_rdec(m,len)        {m->m_data -= len; m->m_len += len;}
 187 #define gbuf_wptr(m)    (m->m_data + m->m_len)
 188 #define gbuf_winc(m,len)        (m->m_len += len)
 189 #define gbuf_wdec(m,len)        (m->m_len -= len)
 190 #define gbuf_wset(m,len)        (m->m_len = len)
 191 #define gbuf_type(m)    m->m_type
 192 #define gbuf_len(m)     m->m_len
 193
 194 #define gbuf_alloc(size, pri) (gbuf_alloc_wait(size, FALSE))
 195 #define gbuf_copym(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 196
 197 #define gbuf_prepend(m,len) M_PREPEND(m,len,M_DONTWAIT)
 198 #define gbuf_freem(mlist) m_freem((struct mbuf *)mlist)
 199 #define gbuf_freeb(m) (void)m_free((struct mbuf *)m)
 200 #define gbuf_set_type(m, mtype) MCHTYPE(m, mtype)
 201
 202 /* Duplicate a single mbuf, attaching existing external storage. */
 203 #define gbuf_dupb_wait(m, wait) ((gbuf_t *)m_copym(m, 0, gbuf_len(m), (wait)? M_WAIT: M_DONTWAIT))
 204 #define gbuf_dupb(m) (gbuf_dupb_wait(m, FALSE))
 205 /* Duplicate an mbuf chain, attaching existing external storage. */
 206 #define gbuf_dupm(mlist) ((gbuf_t *)copy_pkt(mlist, -1))
 207   /* *** was  ((gbuf_t *)m_copym(mlist, 0, M_COPYALL, M_DONTWAIT)) *** */
 208
 209 #undef timeoutcf
 210 #undef timeout
 211 #undef untimeout
 212
 213 struct atpBDS;
 214 int _ATPgetrsp(int, struct atpBDS *, int *, void *);
 215 int _ATPgetreq(int , unsigned char *, int , int *, void *);
 216 int _ATPsndrsp(int , unsigned char *, int , int, int *, void *);
 217 int _ATPsndreq(int , unsigned char *, int , int, int *, void *);
 218
 219 #endif /* KERNEL_PRIVATE */
 220 #endif /* KERNEL */
 221 #endif /* __APPLE_API_OBSOLETE */
 222 #endif /* _NETAT_SYSGLUE_H_ */