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