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 */ 143