usr/src/uts/common/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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * header file for STREAMS TTY subsystem
  41  */
  42
  43 /*
  44  * The t_buf data structure holds information about a message
  45  * block and its associated data buffer.  One is used for received
  46  * blocks, and another is used for blocks to be transmitted to
  47  * a user terminal or a printer.
  48  */
  49
  50 struct t_buf
  51 {
  52         mblk_t *bu_bp;  /* message block pointer */
  53         unsigned char *bu_ptr;  /* data buffer pointer */
  54         ushort_t bu_cnt;        /* data buffer character count */
  55 };
  56
  57 /*
  58  * A tty structure is needed for each character device used for normal
  59  * tty I/O.  Each PORTS board supports 4 user terminals and 1 CENTRONICS-
  60  * TYPE printer.
  61  */
  62
  63 struct strtty
  64 {
  65         struct t_buf t_in;      /* input buffer info */
  66         struct t_buf t_out;     /* output buffer info */
  67         queue_t *t_rdqp;        /* pointer to tty read queue */
  68         mblk_t  *t_ioctlp;      /* ioctl block pointer */
  69         mblk_t  *t_lbuf;        /* pointer to a large data buffer */
  70         int     t_dev;          /* tty minor device number */
  71         int     t_iflag;        /* input setting  flags */
  72         int     t_oflag;        /* output setting flags */
  73         int     t_cflag;        /* physical setting flags */
  74         int     t_lflag;        /* "line discipline" flags */
  75         short   t_state;        /* internal state */
  76         char    t_line;         /* active line discipline */
  77         char    t_dstat;        /* more internal state flags */
  78         unsigned char t_cc[NCCS]; /* settable control chars */
  79 };
  80
  81 /*
  82  * Size of internal ports data buffer, one per port
  83  */
  84 #define LARGEBUFSZ      512
  85
  86 #define TTIPRI  28
  87 #define TTOPRI  29
  88
  89 /* Internal state */
  90 #define TIMEOUT 01              /* Delay timeout in progress */
  91 #define WOPEN   02              /* Waiting for open to complete */
  92 #define ISOPEN  04              /* Device is open */
  93 #define TBLOCK  010
  94 #define CARR_ON 020             /* Software copy of carrier-present */
  95 #define BUSY    040             /* Output in progress */
  96 #define WIOC    0100            /* Wait for ioctl to complete */
  97 #define WGETTY  0200            /* opened by supergetty, waiting for getty */
  98 #define TTSTOP  0400            /* Output stopped by ctl-s */
  99 #define EXTPROC 01000           /* External processing */
 100 #define TACT    02000
 101 #define CLESC   04000           /* Last char escape */
 102 #define RTO     010000          /* Raw Timeout */
 103 #define TTIOW   020000
 104 #define TTXON   040000
 105 #define TTXOFF  0100000
 106
 107 /* l_output status */
 108 #define CPRES   0100000
 109
 110 /* device commands */
 111 #define T_OUTPUT        0
 112 #define T_TIME          1
 113 #define T_SUSPEND       2
 114 #define T_RESUME        3
 115 #define T_BLOCK         4
 116 #define T_UNBLOCK       5
 117 #define T_RFLUSH        6
 118 #define T_WFLUSH        7
 119 #define T_BREAK         8
 120 #define T_INPUT         9
 121 #define T_DISCONNECT    10
 122 #define T_PARM          11
 123 #define T_SWTCH         12
 124 /*
 125  * M_CTL message types.
 126  */
 127 #define MC_NO_CANON     0       /* module below saying it will canonicalize */
 128 #define MC_DO_CANON     1       /* module below saying it won't canonicalize */
 129 #define MC_CANONQUERY   2       /* module above asking whether module below */
 130                                 /* canonicalizes */
 131 #define MC_PART_CANON   3       /* tell line discipline to do some */
 132                                 /* canonicalization */
 133 /* XXX - These seem pretty device dependent... */
 134 #define MC_SERVICEIMM   3       /* tell the ZS driver to return input */
 135                                 /* immediately */
 136 #define MC_SERVICEDEF   4       /* tell the ZS driver it can wait */
 137 #define MC_POSIXQUERY   5       /* check if driver has POSIX close semantics */
 138 #define MC_HAS_POSIX    6       /* driver does support POSIX */
 139
 140 #ifdef  __cplusplus
 141 }
 142 #endif
 143
 144 #endif  /* _SYS_STRTTY_H */