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