include/sys/strtty.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 #ifndef _SYS_STRTTY_H
  31 #define _SYS_STRTTY_H
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /*
  38  * header file for STREAMS TTY subsystem
  39  */
  40
  41 /*
  42  * The t_buf data structure holds information about a message
  43  * block and its associated data buffer.  One is used for received
  44  * blocks, and another is used for blocks to be transmitted to
  45  * a user terminal or a printer.
  46  */
  47
  48 struct t_buf
  49 {
  50         mblk_t *bu_bp;  /* message block pointer */
  51         unsigned char *bu_ptr;  /* data buffer pointer */
  52         ushort_t bu_cnt;        /* data buffer character count */
  53 };
  54
  55 /*
  56  * A tty structure is needed for each character device used for normal
  57  * tty I/O.  Each PORTS board supports 4 user terminals and 1 CENTRONICS-
  58  * TYPE printer.
  59  */
  60
  61 struct strtty
  62 {
  63         struct t_buf t_in;      /* input buffer info */
  64         struct t_buf t_out;     /* output buffer info */
  65         queue_t *t_rdqp;        /* pointer to tty read queue */
  66         mblk_t  *t_ioctlp;      /* ioctl block pointer */
  67         mblk_t  *t_lbuf;        /* pointer to a large data buffer */
  68         int     t_dev;          /* tty minor device number */
  69         int     t_iflag;        /* input setting  flags */
  70         int     t_oflag;        /* output setting flags */
  71         int     t_cflag;        /* physical setting flags */
  72         int     t_lflag;        /* "line discipline" flags */
  73         short   t_state;        /* internal state */
  74         char    t_line;         /* active line discipline */
  75         char    t_dstat;        /* more internal state flags */
  76         unsigned char t_cc[NCCS]; /* settable control chars */
  77 };
  78
  79 /*
  80  * Size of internal ports data buffer, one per port
  81  */
  82 #define LARGEBUFSZ      512
  83
  84 #define TTIPRI  28
  85 #define TTOPRI  29
  86
  87 /* Internal state */
  88 #define TIMEOUT 01              /* Delay timeout in progress */
  89 #define WOPEN   02              /* Waiting for open to complete */
  90 #define ISOPEN  04              /* Device is open */
  91 #define TBLOCK  010
  92 #define CARR_ON 020             /* Software copy of carrier-present */
  93 #define BUSY    040             /* Output in progress */
  94 #define WIOC    0100            /* Wait for ioctl to complete */
  95 #define WGETTY  0200            /* opened by supergetty, waiting for getty */
  96 #define TTSTOP  0400            /* Output stopped by ctl-s */
  97 #define EXTPROC 01000           /* External processing */
  98 #define TACT    02000
  99 #define CLESC   04000           /* Last char escape */
 100 #define RTO     010000          /* Raw Timeout */
 101 #define TTIOW   020000
 102 #define TTXON   040000
 103 #define TTXOFF  0100000
 104
 105 /* l_output status */
 106 #define CPRES   0100000
 107
 108 /* device commands */
 109 #define T_OUTPUT        0
 110 #define T_TIME          1
 111 #define T_SUSPEND       2
 112 #define T_RESUME        3
 113 #define T_BLOCK         4
 114 #define T_UNBLOCK       5
 115 #define T_RFLUSH        6
 116 #define T_WFLUSH        7
 117 #define T_BREAK         8
 118 #define T_INPUT         9
 119 #define T_DISCONNECT    10
 120 #define T_PARM          11
 121 #define T_SWTCH         12
 122 /*
 123  * M_CTL message types.
 124  */
 125 #define MC_NO_CANON     0       /* module below saying it will canonicalize */
 126 #define MC_DO_CANON     1       /* module below saying it won't canonicalize */
 127 #define MC_CANONQUERY   2       /* module above asking whether module below */
 128                                 /* canonicalizes */
 129 #define MC_PART_CANON   3       /* tell line discipline to do some */
 130                                 /* canonicalization */
 131 /* XXX - These seem pretty device dependent... */
 132 #define MC_SERVICEIMM   3       /* tell the ZS driver to return input */
 133                                 /* immediately */
 134 #define MC_SERVICEDEF   4       /* tell the ZS driver it can wait */
 135 #define MC_POSIXQUERY   5       /* check if driver has POSIX close semantics */
 136 #define MC_HAS_POSIX    6       /* driver does support POSIX */
 137
 138 #ifdef  __cplusplus
 139 }
 140 #endif
 141
 142 #endif  /* _SYS_STRTTY_H */