usr/src/uts/common/sys/vt.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_VT_H
  28 #define _SYS_VT_H
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #include <sys/types.h>
  35
  36 /*
  37  * Public IOCTLs supported by the VT, which are shared with
  38  * other operating systems.
  39  */
  40 #define VTIOC           ('V'<<8)
  41 #define VT_OPENQRY      (VTIOC|1)       /* inquires if this vt already open */
  42 #define VT_SETMODE      (VTIOC|2)       /* set vt into auto or process mode */
  43
  44 #define VT_GETMODE      (VTIOC|3)       /* returns mode vt is currently in */
  45 #define VT_RELDISP      (VTIOC|4)       /* tells vt when display released */
  46 #define VT_ACTIVATE     (VTIOC|5)       /* activates specified vt */
  47 #define VT_WAITACTIVE   (VTIOC|6)       /* wait for vt to be activated */
  48 #define VT_GETSTATE     (VTIOC|100)     /* returns active and open vts */
  49
  50 /*
  51  * Solaris specific public IOCTL.
  52  * Inquires if the vt functionality is available.
  53  */
  54 #define VT_ENABLED      (VTIOC|101)
  55
  56 struct vt_mode {
  57         char    mode;   /* mode to set vt into, VT_AUTO or VT_PROCESS */
  58         char    waitv;  /* if != 0, vt hangs on writes when not active */
  59         short   relsig; /* signal to use for release request */
  60         short   acqsig; /* signal to use for display acquired */
  61         short   frsig;  /* signal to use for forced release */
  62 };
  63
  64 /* vt switching mode */
  65 enum {
  66         VT_AUTO = 0,    /* this vt switching is automatic */
  67         VT_PROCESS      /* this vt switching controlled by process */
  68 };
  69
  70 #define VT_ACKACQ       2       /* ack from v86 acquire routine */
  71
  72 /*
  73  * structure used by VT_GETSTATE ioctl
  74  */
  75
  76 struct vt_stat {
  77         unsigned short  v_active;
  78         unsigned short  v_signal;
  79         unsigned short  v_state;
  80 };
  81
  82 /* project private IOCTLs */
  83 #define VT_CONFIG       (VTIOC|102)     /* config virtual console number */
  84 #define VT_SETDISPINFO  (VTIOC|103)     /* set display number */
  85 #define VT_SETDISPLOGIN (VTIOC|104)     /* set display login */
  86 #define VT_GETDISPINFO  (VTIOC|105)     /* get display info */
  87
  88 /*
  89  * setting target console is only used by vtdaemon
  90  * to set target console while vtdaemon is authenticating
  91  * for it, which is returned in VT_GETSTATE. At that
  92  * time, the real active console is the vtdaemon special console,
  93  * but VT_GETSTATE should not be aware of it. Instead, VT_GETACTIVE
  94  * is used to get the real active console for vtdaemon.
  95  */
  96 #define VT_SET_TARGET   (VTIOC|106)
  97 #define VT_GETACTIVE    (VTIOC|107)
  98
  99 /*
 100  * structure used by VT_GETDISPINFO
 101  */
 102 struct vt_dispinfo {
 103         pid_t   v_pid;          /* -1 if no display info (auto mode) */
 104         int     v_dispnum;      /* display number associated with vt */
 105         int     v_login;        /* if the user logged in the display */
 106 };
 107
 108 #ifdef __cplusplus
 109 }
 110 #endif
 111
 112 #endif /* _SYS_VT_H */