Annotation of XNU/bsd/netat/sysglue.h, revision 1.1.1.1

1.1       root        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_ */

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