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/*-
* Copyright (c) 1980, 1992, 1993
* The Regents of the University of California. 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 by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#ifndef lint
static char sccsid[] = "@(#)disks.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <sys/param.h>
#include <sys/types.h>
#include <sys/buf.h>
#include <sys/dkstat.h>
#include <nlist.h>
#include <ctype.h>
#include <paths.h>
#include <string.h>
#include <stdlib.h>
#include "systat.h"
#include "extern.h"
static void dkselect __P((char *, int, int []));
static int read_names __P((void));
static struct nlist namelist[] = {
#define X_DK_NDRIVE 0
{ "_dk_ndrive" },
#define X_DK_WPMS 1
{ "_dk_wpms" },
#if defined(hp300) || defined(luna68k)
#define X_HPDINIT (X_DK_WPMS+1)
{ "_hp_dinit" },
#endif
#if defined(i386)
#define X_DK_NAMES (X_DK_WPMS+1)
{ "_dk_names" },
#endif
#ifdef mips
#define X_SCSI_DINIT (X_DK_WPMS+1)
{ "_scsi_dinit" },
#endif
#ifdef sun
#define X_MBDINIT (X_DK_WPMS+1)
{ "_mbdinit" },
#endif
#ifdef tahoe
#define X_VBDINIT (X_DK_WPMS+1)
{ "_vbdinit" },
#endif
#ifdef vax
#define X_MBDINIT (X_DK_WPMS+1)
{ "_mbdinit" },
#define X_UBDINIT (X_DK_WPMS+2)
{ "_ubdinit" },
#endif
{ "" },
};
float *dk_mspw;
int dk_ndrive, *dk_select;
char **dr_name;
#include "names.c" /* XXX */
int
dkinit()
{
register int i;
register char *cp;
static int once = 0;
static char buf[1024];
if (once)
return(1);
if (kvm_nlist(kd, namelist)) {
nlisterr(namelist);
return(0);
}
if (namelist[X_DK_NDRIVE].n_value == 0) {
error("dk_ndrive undefined in kernel");
return(0);
}
NREAD(X_DK_NDRIVE, &dk_ndrive, LONG);
if (dk_ndrive <= 0) {
error("dk_ndrive=%d according to %s", dk_ndrive, getbootfile());
return(0);
}
dk_mspw = (float *)calloc(dk_ndrive, sizeof (float));
{
long *wpms = (long *)calloc(dk_ndrive, sizeof(long));
KREAD(NPTR(X_DK_WPMS), wpms, dk_ndrive * sizeof (long));
for (i = 0; i < dk_ndrive; i++)
*(dk_mspw + i) = (*(wpms + i) == 0)? 0.0:
(float) 1.0 / *(wpms + i);
free(wpms);
}
dr_name = (char **)calloc(dk_ndrive, sizeof (char *));
dk_select = (int *)calloc(dk_ndrive, sizeof (int));
for (cp = buf, i = 0; i < dk_ndrive; i++) {
dr_name[i] = cp;
sprintf(dr_name[i], "dk%d", i);
cp += strlen(dr_name[i]) + 1;
if (dk_mspw[i] != 0.0)
dk_select[i] = 1;
}
if (!read_names()) {
free(dr_name);
free(dk_select);
free(dk_mspw);
return(0);
}
once = 1;
return(1);
}
int
dkcmd(cmd, args)
char *cmd, *args;
{
if (prefix(cmd, "display") || prefix(cmd, "add")) {
dkselect(args, 1, dk_select);
return (1);
}
if (prefix(cmd, "ignore") || prefix(cmd, "delete")) {
dkselect(args, 0, dk_select);
return (1);
}
if (prefix(cmd, "drives")) {
register int i;
move(CMDLINE, 0); clrtoeol();
for (i = 0; i < dk_ndrive; i++)
if (dk_mspw[i] != 0.0)
printw("%s ", dr_name[i]);
return (1);
}
return (0);
}
static void
dkselect(args, truefalse, selections)
char *args;
int truefalse, selections[];
{
register char *cp;
register int i;
char *index();
cp = index(args, '\n');
if (cp)
*cp = '\0';
for (;;) {
for (cp = args; *cp && isspace(*cp); cp++)
;
args = cp;
for (; *cp && !isspace(*cp); cp++)
;
if (*cp)
*cp++ = '\0';
if (cp - args == 0)
break;
for (i = 0; i < dk_ndrive; i++)
if (strcmp(args, dr_name[i]) == 0) {
if (dk_mspw[i] != 0.0)
selections[i] = truefalse;
else
error("%s: drive not configured",
dr_name[i]);
break;
}
if (i >= dk_ndrive)
error("%s: unknown drive", args);
args = cp;
}
}
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