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 1989-2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Pseudo-tty driver data structures. 29 */ 30 31 #ifndef _SYS_PTYVAR_H 32 #define _SYS_PTYVAR_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" 35 36 #include <sys/tty.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 struct pty { 43 int pt_flags; /* flag bits */ 44 mblk_t *pt_stuffqfirst; /* head of queue for ioctls */ 45 mblk_t *pt_stuffqlast; /* tail of queue for ioctls */ 46 int pt_stuffqlen; /* number of bytes of queued ioctls */ 47 tty_common_t pt_ttycommon; /* data common to all tty drivers */ 48 bufcall_id_t pt_wbufcid; /* id of pending write-side bufcall */ 49 struct proc *pt_selr; /* proc selecting on controller read */ 50 struct proc *pt_selw; /* proc selecting on controller write */ 51 struct proc *pt_sele; /* proc selecting on exception */ 52 dev_t pt_sdev; /* XXX dev no for the slave */ 53 struct vnode *pt_vnode; /* XXX vnode for the slave */ 54 short pt_pgrp; /* controller side process group */ 55 uchar_t pt_send; /* pending message to controller */ 56 uchar_t pt_ucntl; /* pending iocontrol for controller */ 57 kmutex_t ptc_lock; /* per pty mutex lock */ 58 kcondvar_t pt_cv_flags; /* condition variable for flag state */ 59 kcondvar_t pt_cv_readq; /* condition variable for read state */ 60 kcondvar_t pt_cv_writeq; /* condition variable for write state */ 61 }; 62 63 #define PF_RCOLL 0x00000001 /* > 1 process selecting for read */ 64 #define PF_WCOLL 0x00000002 /* > 1 process selecting for write */ 65 #define PF_ECOLL 0x00000004 /* > 1 process selecting for excep. */ 66 #define PF_NBIO 0x00000008 /* non-blocking I/O on controller */ 67 #define PF_ASYNC 0x00000010 /* asynchronous I/O on controller */ 68 #define PF_WOPEN 0x00000020 /* waiting for open to complete */ 69 #define PF_CARR_ON 0x00000040 /* "carrier" is on (cntlr. is open) */ 70 #define PF_SLAVEGONE 0x00000080 /* slave was open, but is now closed */ 71 #define PF_PKT 0x00000100 /* packet mode */ 72 #define PF_STOPPED 0x00000200 /* user told stopped */ 73 #define PF_REMOTE 0x00000400 /* remote and flow controlled input */ 74 #define PF_NOSTOP 0x00000800 /* slave is doing XON/XOFF */ 75 #define PF_UCNTL 0x00001000 /* user control mode */ 76 #define PF_43UCNTL 0x00002000 /* real 4.3 user control mode */ 77 #define PF_IOCTL 0x00004000 /* ioctl call in progress */ 78 #define PF_WAIT 0x00008000 /* wait in close */ 79 #define PF_READ 0x00010000 /* serialise read */ 80 #define PF_WRITE 0x00020000 /* serialise write */ 81 #define PF_WREAD 0x00040000 /* want to read */ 82 #define PF_WWRITE 0x00080000 /* want to write */ 83 84 /* 85 * M_CTL message types. 86 */ 87 #define MC_NOCANON 0 /* module below saying it will canonicalize */ 88 #define MC_DOCANON 1 /* module below saying it won't canonicalize */ 89 #define MC_CANONQUERY 2 /* module above asking whether module below */ 90 /* canonicalizes */ 91 #define MC_SERVICEIMM 3 /* tell the ZS driver to return input */ 92 /* immediately */ 93 #define MC_SERVICEDEF 4 /* tell the ZS driver it can wait */ 94 #define MC_NOIFLAG 5 /* module below saying don't do i flags */ 95 #define MC_NOOFLAG 6 /* module below saying don't do o flags */ 96 #define MC_NOLFLAG 7 /* module below saying don't do l flags */ 97 98 99 /* 100 * Thus stuff is from the 4.1 termios.h, but we don't want to 101 * put it in the real system, so we hide it here. 102 */ 103 104 /* 105 * Sun version of winsize. 106 */ 107 struct ttysize { 108 int ts_lines; /* number of lines on terminal */ 109 int ts_cols; /* number of columns on terminal */ 110 }; 111 112 113 #define TIOCPKT _IOW('t', 112, int) /* pty: set/clear packet mode */ 114 #define TIOCPKT_DATA 0x00 /* data packet */ 115 #define TIOCPKT_FLUSHREAD 0x01 /* flush data not yet written */ 116 /* to controller */ 117 #define TIOCPKT_FLUSHWRITE 0x02 /* flush data read from */ 118 /* controller but not yet */ 119 /* processed */ 120 #define TIOCPKT_STOP 0x04 /* stop output */ 121 #define TIOCPKT_START 0x08 /* start output */ 122 #define TIOCPKT_NOSTOP 0x10 /* no more ^S, ^Q */ 123 #define TIOCPKT_DOSTOP 0x20 /* now do ^S, ^Q */ 124 #define TIOCPKT_IOCTL 0x40 /* "ioctl" packet */ 125 126 #define TIOCUCNTL _IOW('t', 102, int) /* pty: set/clr usr cntl mode */ 127 #define TIOCTCNTL _IOW('t', 32, int) /* pty: set/clr intercept */ 128 /* ioctl mode */ 129 #define TIOCISPACE _IOR('t', 128, int) /* space left in input queue */ 130 #define TIOCISIZE _IOR('t', 129, int) /* size of input queue */ 131 132 #define TIOCSSIZE _IOW('t', 37, struct ttysize) /* set tty size */ 133 #define TIOCGSIZE _IOR('t', 38, struct ttysize) /* get tty size */ 134 135 #ifdef _KERNEL 136 137 /* 138 * pty_softc, npty, ptcph, and pty_initspace are defined in tty_ptyconf.c 139 */ 140 141 extern int npty; 142 extern struct pty *pty_softc; 143 extern struct pollhead ptcph; 144 extern void pty_initspace(void); 145 146 /* 147 * define the Berkeley style naming convention 148 */ 149 #define PTY_BANKS "pqrstuvwxyz" 150 #define PTY_DIGITS "0123456789abcdef" 151 #endif /* _KERNEL */ 152 153 #ifdef __cplusplus 154 } 155 #endif 156 157 #endif /* _SYS_PTYVAR_H */ 158