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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#ifndef _SYS_TTY_H
#define _SYS_TTY_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/ttychars.h>
#include <sys/ttydev.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* A clist structure is the head of a linked list queue of characters.
* The routines getc* and putc* manipulate these structures.
*/
struct clist {
int c_cc; /* character count */
struct cblock *c_cf; /* pointer to first */
struct cblock *c_cl; /* pointer to last */
};
/* Macro to find clist structure given pointer into it */
#define CMATCH(pointer) (char *)(cfree + (pointer - cfree))
/* Character control block for interrupt level control */
struct ccblock {
caddr_t c_ptr; /* buffer address */
ushort_t c_count; /* character count */
ushort_t c_size; /* buffer size */
};
/*
* A tty structure is needed for each UNIX character device that
* is used for normal terminal IO.
*/
#define NCC 8
struct tty {
struct clist t_rawq; /* raw input queue */
struct clist t_canq; /* canonical queue */
struct clist t_outq; /* output queue */
struct ccblock t_tbuf; /* tx control block */
struct ccblock t_rbuf; /* rx control block */
int (* t_proc)(); /* routine for device functions */
ushort_t t_iflag; /* input modes */
ushort_t t_oflag; /* output modes */
ushort_t t_cflag; /* control modes */
ushort_t t_lflag; /* line discipline modes */
short t_state; /* internal state */
o_pid_t t_pgrp; /* process group name */
char t_line; /* line discipline */
char t_delct; /* delimiter count */
char t_term; /* terminal type */
char t_tmflag; /* terminal flags */
char t_col; /* current column */
char t_row; /* current row */
char t_vrow; /* variable row */
char t_lrow; /* last physical row */
char t_hqcnt; /* no. high queue packets on t_outq */
char t_dstat;
/* used by terminal handlers and line disciplines */
unsigned char t_cc[NCC]; /* settable control chars */
};
/*
* The structure of a clist block
*/
#define CLSIZE 64
struct cblock {
struct cblock *c_next;
char c_first;
char c_last;
char c_data[CLSIZE];
};
extern struct cblock *cfree;
extern struct cblock *getcb();
extern struct cblock *getcf();
extern struct clist ttnulq;
extern int cfreecnt;
struct chead {
struct cblock *c_next;
int c_size;
int c_flag;
};
extern struct chead cfreelist;
struct inter {
int cnt;
};
#define QESC 0200 /* queue escape */
#define HQEND 01 /* high queue end */
#define TTIPRI 28
#define TTOPRI 29
#ifdef u3b15
/*
* following defs allow for job control in both vpm and
* stand-alone tty environments
*/
#define VPMTTY 1
#define SATTY 2
#endif
/* limits */
extern int ttlowat[], tthiwat[];
#define TTYHOG 256
#define TTXOLO 132
#define TTXOHI 180
/* Hardware bits */
#define DONE 0200
#define IENABLE 0100
#define OVERRUN 040000
#define FRERROR 020000
#define PERROR 010000
/* Internal state */
#define TIMEOUT 01 /* Delay timeout in progress */
#define WOPEN 02 /* Waiting for open to complete */
#define ISOPEN 04 /* Device is open */
#define TBLOCK 010
#define CARR_ON 020 /* Software copy of carrier-present */
#define BUSY 040 /* Output in progress */
#define OASLP 0100 /* Wakeup when output done */
#define IASLP 0200 /* Wakeup when input done */
#define TTSTOP 0400 /* Output stopped by ctl-s */
#define EXTPROC 01000 /* External processing */
#define TACT 02000
#define CLESC 04000 /* Last char escape */
#define RTO 010000 /* Raw Timeout */
#define TTIOW 020000
#define TTXON 040000
#define TTXOFF 0100000
/* l_output status */
#define CPRES 0100000
/* device commands */
#define T_OUTPUT 0
#define T_TIME 1
#define T_SUSPEND 2
#define T_RESUME 3
#define T_BLOCK 4
#define T_UNBLOCK 5
#define T_RFLUSH 6
#define T_WFLUSH 7
#define T_BREAK 8
#define T_INPUT 9
#define T_DISCONNECT 10
#define T_PARM 11
#define T_SWTCH 12
/*
* Terminal flags (set in t_tmflgs).
*/
#define SNL 1 /* non-standard new-line needed */
#define ANL 2 /* automatic new-line */
#define LCF 4 /* Special treatment of last col, row */
#define TERM_CTLECHO 010 /* Echo terminal control characters */
#define TERM_INVIS 020 /* do not send escape sequences to user */
#define QLOCKB 040 /* high queue locked for base level */
#define QLOCKI 0100 /* high queue locked for interrupts */
#define TERM_BIT 0200 /* Bit reserved for terminal drivers. */
/* Usually used to indicate that an esc */
/* character has arrived and that the */
/* next character is special. */
/* This bit is the same as the TM_SET */
/* bit which may never be set by a user */
/*
* device reports
*/
#define L_BUF 0
#define L_BREAK 3
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TTY_H */
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