113 lines
4.6 KiB
C
113 lines
4.6 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: hilvar.h 1.1 90/07/09$
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*
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* from: @(#)hilvar.h 7.2 (Berkeley) 11/4/90
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* $Id: hilvar.h,v 1.2 1993/05/18 18:18:46 cgd Exp $
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*/
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#define NHILD 8 /* 7 actual + loop pseudo (dev 0) */
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#define NHILQ 8 /* must be <= sizeof(int) */
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#define HILBUFSIZE 40 /* size of interrupt poll buffer */
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#define HILMAXCLIST 1024 /* max chars in clists for HPUX io */
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#define HILLOOPDEV 0 /* loop device index */
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/*
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* XXX: HPUX minor numbers are of the form "D0" where D is the device number
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* BSD uses "0D". For compatibility we accept either. Maybe we should just
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* use the HPUX numbering.
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*/
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#define HILUNIT(d) (((((d)>>4)&7)==0)?((d)&7):(((d)>>4)&7))
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#define hildevmask(d) (1 << (d))
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#define hilqmask(q) (1 << (q))
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struct hiliqueue {
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HILQ *hq_eventqueue; /* input queue shared with user */
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struct proc *hq_procp; /* process this queue belongs to */
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char hq_devmask; /* devices mapped to this queue */
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};
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struct hilloopdev {
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int hd_flags; /* device state */
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int hd_qmask; /* queues this device is mapped to */
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struct clist hd_queue; /* event queue for HPUX-style input */
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struct selinfo hd_selr; /* process read selecting */
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uid_t hd_uid; /* uid of mapping process */
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};
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/* hd_flags */
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#define HIL_ALIVE 0x01 /* device is present */
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#define HIL_PSEUDO 0x02 /* device is virtual */
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#define HIL_READIN 0x04 /* device using read() input interface */
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#define HIL_QUEUEIN 0x08 /* device using shared Q input interface */
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/* was HIL_SELCOLL 0x10 /* select collision on device */
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#define HIL_NOBLOCK 0x20 /* device is in non-blocking read mode */
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#define HIL_ASLEEP 0x40 /* process awaiting input on device */
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#define HIL_DERROR 0x80 /* loop has reconfigured, reality altered */
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struct hilloop {
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struct hil_dev *hl_addr; /* base of hardware registers */
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u_char hl_cmddone; /* */
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u_char hl_cmdending; /* */
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u_char hl_actdev; /* current input device */
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u_char hl_cmddev; /* device to perform command on */
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u_char hl_pollbuf[HILBUFSIZE]; /* interrupt time input buffer */
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u_char hl_cmdbuf[HILBUFSIZE]; /* */
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u_char *hl_pollbp; /* pointer into hl_pollbuf */
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u_char *hl_cmdbp; /* pointer into hl_cmdbuf */
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struct hiliqueue hl_queue[NHILQ]; /* input queues */
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struct hilloopdev hl_device[NHILD]; /* device data */
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u_char hl_maxdev; /* number of devices on loop */
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u_char hl_kbddev; /* keyboard device on loop */
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u_char hl_kbdlang; /* keyboard language */
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u_char hl_kbdflags; /* keyboard state */
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};
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/* hl_kbdflags */
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#define KBD_RAW 0x01 /* keyboard is raw */
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#define KBD_AR1 0x02 /* keyboard auto-repeat rate 1 */
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#define KBD_AR2 0x04 /* keyboard auto-repeat rate 2 */
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