145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
/* $NetBSD: devopen.c,v 1.8 1997/06/08 17:49:19 ragge Exp $ */
|
|
/*
|
|
* Copyright (c) 1997 Ludd, University of Lule}, Sweden.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed at Ludd, University of
|
|
* Lule}, Sweden and its contributors.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/reboot.h>
|
|
|
|
#include "lib/libsa/stand.h"
|
|
#include "samachdep.h"
|
|
#include "vaxstand.h"
|
|
|
|
unsigned int opendev;
|
|
|
|
int
|
|
devopen(f, fname, file)
|
|
struct open_file *f;
|
|
const char *fname;
|
|
char **file;
|
|
{
|
|
int dev, ctlr, unit, part, adapt, i, a[4], x;
|
|
struct devsw *dp;
|
|
extern struct fs_ops nfs_system[];
|
|
extern int cnvtab[];
|
|
char *s, *c;
|
|
|
|
dev = B_TYPE(bootdev);
|
|
ctlr = B_CONTROLLER(bootdev);
|
|
unit = B_UNIT(bootdev);
|
|
part = B_PARTITION(bootdev);
|
|
adapt = B_ADAPTOR(bootdev);
|
|
|
|
for (i = 0, dp = 0; i < ndevs; i++)
|
|
if (cnvtab[i] == dev)
|
|
dp = devsw + i;
|
|
|
|
x = 0;
|
|
if ((s = index(fname, '('))) {
|
|
*s++ = 0;
|
|
|
|
for (i = 0, dp = devsw; i < ndevs; i++, dp++)
|
|
if (dp->dv_name && strcmp(dp->dv_name, fname) == 0)
|
|
break;
|
|
|
|
if (i == ndevs) {
|
|
printf("No such device - Configured devices are:\n");
|
|
for (dp = devsw, i = 0; i < ndevs; i++, dp++)
|
|
if (dp->dv_name)
|
|
printf(" %s", dp->dv_name);
|
|
printf("\n");
|
|
return -1;
|
|
}
|
|
dev = cnvtab[i];
|
|
if ((c = index(s, ')')) == 0)
|
|
goto usage;
|
|
|
|
*c++ = 0;
|
|
|
|
if (*s) do {
|
|
a[x++] = atoi(s);
|
|
while (*s >= '0' && *s <= '9')
|
|
s++;
|
|
|
|
if (*s != ',' && *s != 0)
|
|
goto usage;
|
|
} while (*s++);
|
|
|
|
if (x)
|
|
part = a[x - 1];
|
|
if (x > 1)
|
|
unit = a[x - 2];
|
|
if (x > 2)
|
|
ctlr = a[x - 3];
|
|
if (x > 3)
|
|
adapt = a[0];
|
|
*file = c;
|
|
} else
|
|
*file = (char *)fname;
|
|
|
|
#ifdef notyet
|
|
if ((u = index(s, ' '))) {
|
|
*u++ = 0;
|
|
|
|
if (*u != '-')
|
|
goto usage;
|
|
|
|
while (*++u) {
|
|
if (*u == 'a')
|
|
bdev |= RB_ASKNAME;
|
|
else if (*u == 'd')
|
|
bdev |= RB_DEBUG;
|
|
else if (*u == 's')
|
|
bdev |= RB_SINGLE;
|
|
else
|
|
goto usage;
|
|
}
|
|
|
|
}
|
|
#endif
|
|
|
|
if (!dp->dv_open)
|
|
return(ENODEV);
|
|
f->f_dev = dp;
|
|
|
|
opendev = MAKEBOOTDEV(dev, adapt, ctlr, unit, part);
|
|
|
|
if (dev > 95) { /* MOP boot over network, root & swap over NFS */
|
|
bcopy(nfs_system, file_system, sizeof(struct fs_ops));
|
|
i = (*dp->dv_open)(f, dp->dv_name);
|
|
} else
|
|
i = (*dp->dv_open)(f, adapt, ctlr, unit, part);
|
|
|
|
return i;
|
|
|
|
usage:
|
|
printf("usage: dev(adapter,controller,unit,partition)file -asd\n");
|
|
return -1;
|
|
}
|