usr.bin/vmstat/names.c

/*-
 * Copyright (c) 1991 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.
 *
 *      @(#)names.c     5.2 (Berkeley) 6/4/91
 */

#if !defined(hp300) && !defined(tahoe) && !defined(vax) && !defined(__386BSD__)
char *defdrives[] = { 0 };

void read_names()
{
}
#endif

#ifdef __386BSD__
/*
 * 386BSD support added by Rodney W. Grimes, rgrimes@agora.rain.com 3/24/93
 */
#include <i386/isa/isa_device.h>

char *defdrives[] = { "fd0", "fd1", "wd0", "wd1",
                      "as0", "as1", "sd0", "sd1", 0 };

void
read_names()
{
        register char *p;
        register u_long isa_bio;
        static char buf[BUFSIZ];
        struct isa_device dev;
        struct isa_driver drv;
        char name[10];
        int i = 0;
        int dummydk = 0;
        int fdunit = 0;
        int wdunit = 0;
        int ahaunit = 0;

        isa_bio = nl[X_ISA_BIO].n_value;
        if (isa_bio == 0) {
                (void) fprintf(stderr,
                    "vmstat: disk init info not in namelist\n");
                exit(1);
        }

        p = buf;
        for (;; isa_bio += sizeof dev) {
                (void)kvm_read((void *)isa_bio, &dev, sizeof dev);
                if (dev.id_driver == 0)
                        break;
                if (dev.id_alive == 0)
                        continue;
                (void)kvm_read(dev.id_driver, &drv, sizeof drv);
                (void)kvm_read(drv.name, name, sizeof name);

                /*
                 * 386bsd is kinda brain dead about dk_units, or at least
                 * I can't figure out how to get the real unit mappings
                 */
                if (strcmp(name, "fd") == 0) dummydk = fdunit++;
                if (strcmp(name, "wd") == 0) dummydk = wdunit++;
                if (strcmp(name, "aha") == 0) dummydk = ahaunit++;

                dr_name[i] = p;
                p += sprintf(p, "%s%d", name, dummydk) + 1;
                i++;
        }
}
#endif /* __386BSD__ */

#ifdef hp300
#include <hp300/dev/device.h>

char *defdrives[] = { "sd0", "sd1", "sd2", "rd0", "rd1", "rd2", 0 };

void
read_names()
{
        register char *p;
        register u_long hp;
        static char buf[BUFSIZ];
        struct hp_device hdev;
        struct driver hdrv;
        char name[10];

        hp = nl[X_HPDINIT].n_value;
        if (hp == 0) {
                (void) fprintf(stderr,
                    "vmstat: disk init info not in namelist\n");
                exit(1);
        }
        p = buf;
        for (;; hp += sizeof hdev) {
                (void)kvm_read((void *)hp, &hdev, sizeof hdev);
                if (hdev.hp_driver == 0)
                        break;
                if (hdev.hp_dk < 0 || hdev.hp_alive == 0 ||
                    hdev.hp_cdriver == 0)
                        continue;
                (void)kvm_read(hdev.hp_driver, &hdrv, sizeof hdrv);
                (void)kvm_read(hdrv.d_name, name, sizeof name);
                dr_name[hdev.hp_dk] = p;
                p += sprintf(p, "%s%d", name, hdev.hp_unit) + 1;
        }
}
#endif /* hp300 */

#ifdef tahoe
#include <tahoe/vba/vbavar.h>

char *defdrives[] = { "dk0", "dk1", "dk2", 0 };

void
read_names()
{
        register char *p;
        struct vba_device udev, *up;
        struct vba_driver udrv;
        char name[10];
        static char buf[BUFSIZ];

        up = (struct vba_device *) nl[X_VBDINIT].n_value;
        if (up == 0) {
                (void) fprintf(stderr,
                    "vmstat: disk init info not in namelist\n");
                exit(1);
        }
        p = buf;
        for (;; up += sizeof udev) {
                (void)kvm_read(up, &udev, sizeof udev);
                if (udev.ui_driver == 0)
                        break;
                if (udev.ui_dk < 0 || udev.ui_alive == 0)
                        continue;
                (void)kvm_read(udev.ui_driver, &udrv, sizeof udrv);
                (void)kvm_read(udrv.ud_dname, name, sizeof name);
                dr_name[udev.ui_dk] = p;
                p += sprintf(p, "%s%d", name, udev.ui_unit);
        }
}
#endif /* tahoe */

#ifdef vax
#include <vax/uba/ubavar.h>
#include <vax/mba/mbavar.h>

char *defdrives[] = { "hp0", "hp1", "hp2", 0 };

void
read_names()
{
        register char *p;
        unsigned long mp, up;
        struct mba_device mdev;
        struct mba_driver mdrv;
        struct uba_device udev;
        struct uba_driver udrv;
        char name[10];
        static char buf[BUFSIZ];

        mp = nl[X_MBDINIT].n_value;
        up = nl[X_UBDINIT].n_value;
        if (mp == 0 && up == 0) {
                (void) fprintf(stderr,
                    "vmstat: disk init info not in namelist\n");
                exit(1);
        }
        p = buf;
        if (mp) for (;; mp += sizeof mdev) {
                (void)kvm_read(mp, &mdev, sizeof mdev);
                if (mdev.mi_driver == 0)
                        break;
                if (mdev.mi_dk < 0 || mdev.mi_alive == 0)
                        continue;
                (void)kvm_read(mdev.mi_driver, &mdrv, sizeof mdrv);
                (void)kvm_read(mdrv.md_dname, name, sizeof name);
                dr_name[mdev.mi_dk] = p;
                p += sprintf(p, "%s%d", name, mdev.mi_unit);
        }
        if (up) for (;; up += sizeof udev) {
                (void)kvm_read(up, &udev, sizeof udev);
                if (udev.ui_driver == 0)
                        break;
                if (udev.ui_dk < 0 || udev.ui_alive == 0)
                        continue;
                (void)kvm_read(udev.ui_driver, &udrv, sizeof udrv);
                (void)kvm_read(udrv.ud_dname, name, sizeof name);
                dr_name[udev.ui_dk] = p;
                p += sprintf(p, "%s%d", name, udev.ui_unit);
        }
}
#endif /* vax */