87f6c6625d
most devsw referenced functions are now static, as they are in the same file as their devsw structure. I've also added DEVFS support for nearly every device in the system, however many of the devices have 'incorrect' names under DEVFS because I couldn't quickly work out the correct naming conventions. (but devfs won't be coming on line for a month or so anyhow so that doesn't matter) If you "OWN" a device which would normally have an entry in /dev then search for the devfs_add_devsw() entries and munge to make them right.. check out similar devices to see what I might have done in them in you can't see what's going on.. for a laugh compare conf.c conf.h defore and after... :) I have not doen DEVFS entries for any DISKSLICE devices yet as that will be a much more complicated job.. (pass 5 :) pass 4 will be to make the devsw tables of type (cdevsw * ) rather than (cdevsw) seems to work here.. complaints to the usual places.. :)
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/*-
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* Parts Copyright (c) 1995 Terrence R. Lambert
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* Copyright (c) 1995 Julian R. Elischer
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* All rights reserved.
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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 Terrence R. Lambert.
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* 4. The name Terrence R. Lambert may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Julian R. Elischer ``AS IS'' AND ANY
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* 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 TERRENCE R. LAMBERT 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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* $Id: kern_conf.c,v 1.5 1995/11/30 05:59:09 julian Exp $
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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/*
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* (re)place an entry in the bdevsw or cdevsw table
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* return the slot used in major(*descrip)
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*/
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#define ADDENTRY(TTYPE,NXXXDEV) \
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int TTYPE##_add(dev_t *descrip, \
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struct TTYPE *newentry, \
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struct TTYPE *oldentry) \
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{ \
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int i ; \
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if ( (int)*descrip == -1) { /* auto (0 is valid) */ \
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/* \
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* Search the table looking for a slot... \
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*/ \
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for (i = 0; i < NXXXDEV; i++) \
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if (TTYPE[i].d_open == NULL) \
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break; /* found one! */ \
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/* out of allocable slots? */ \
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if (i == NXXXDEV) { \
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return ENFILE; \
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} \
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} else { /* assign */ \
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i = major(*descrip); \
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if (i < 0 || i >= NXXXDEV) { \
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return EINVAL; \
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} \
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} \
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\
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/* maybe save old */ \
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if (oldentry) { \
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bcopy(&TTYPE[i], oldentry, sizeof(struct TTYPE)); \
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} \
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newentry->d_maj = i; \
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/* replace with new */ \
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bcopy(newentry, &TTYPE[i], sizeof(struct TTYPE)); \
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\
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/* done! */ \
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*descrip = makedev(i,0); \
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return 0; \
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} \
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ADDENTRY(bdevsw, nblkdev)
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ADDENTRY(cdevsw, nchrdev)
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