[src/trunk]: src/sys/arch/vax/vax Detect SCSI as boot device.

[ragge <ragge%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a74e283dc0c2
branches:  trunk
changeset: 477594:a74e283dc0c2
user:      ragge <ragge%NetBSD.org@localhost>
date:      Sat Oct 23 14:56:05 1999 +0000

description:
Detect SCSI as boot device.

diffstat:

 sys/arch/vax/vax/autoconf.c |  90 ++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 85 insertions(+), 5 deletions(-)

diffs (117 lines):

diff -r 857c2672b5f9 -r a74e283dc0c2 sys/arch/vax/vax/autoconf.c
--- a/sys/arch/vax/vax/autoconf.c       Sat Oct 23 14:42:21 1999 +0000
+++ b/sys/arch/vax/vax/autoconf.c       Sat Oct 23 14:56:05 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: autoconf.c,v 1.44 1999/09/17 20:07:20 thorpej Exp $    */
+/*     $NetBSD: autoconf.c,v 1.45 1999/10/23 14:56:05 ragge Exp $      */
 
 /*
  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
@@ -95,6 +95,11 @@
                booted_partition = B_PARTITION(bootdev);
        }
 
+#ifdef DEBUG
+       printf("booted from type %d unit %d controller %d adapter %d\n",
+           B_TYPE(bootdev), B_UNIT(bootdev), B_CONTROLLER(bootdev),
+           B_ADAPTOR(bootdev));
+#endif
        printf("boot device: %s\n",
            booted_device ? booted_device->dv_xname : "<unknown>");
 
@@ -149,16 +154,91 @@
        sizeof(struct device), mainbus_match, mainbus_attach
 };
 
+#include "sd.h"
+#include "cd.h"
+
+int    booted_qe(struct device *, void *);
+int    booted_ze(struct device *, void *);
+int    booted_sd(struct device *, void *);
+
+int (*devreg[])(struct device *, void *) = {
+       booted_qe,
+       booted_ze,
+#if NSD > 0 || NCD > 0
+       booted_sd,
+#endif
+       0,
+};
+
 void
 device_register(dev, aux)
        struct device *dev;
        void *aux;
 {
+       int (**dp)(struct device *, void *) = devreg;
+
+       while (*dp) {
+               if ((*dp)(dev, aux)) {
+                       booted_from = dev;
+                       break;
+               }
+               dp++;
+       }
+}
+
+int
+booted_ze(dev, aux)
+       struct device *dev;
+       void *aux;
+{
+       if ((B_TYPE(bootdev) == BDEV_ZE) &&
+           !strcmp("ze", dev->dv_cfdata->cf_driver->cd_name))
+               return 1;
+       return 0;
+}
+
+int
+booted_qe(dev, aux)
+       struct device *dev;
+       void *aux;
+{
        if ((B_TYPE(bootdev) == BDEV_QE) &&
            !strcmp("qe", dev->dv_cfdata->cf_driver->cd_name))
-               booted_from = dev;
+               return 1;
+       return 0;
+}
+
+#if NSD > 0 || NCD > 0
+#include <dev/scsipi/scsipi_all.h>
+#include <dev/scsipi/scsipiconf.h>
+int
+booted_sd(dev, aux)
+       struct device *dev;
+       void *aux;
+{
+       struct scsipibus_attach_args *sa = aux;
+       struct device *ppdev;
+
+       /* Did we boot from SCSI? */
+       if (B_TYPE(bootdev) != BDEV_SD)
+               return 0;
 
-       if ((B_TYPE(bootdev) == BDEV_ZE) &&
-           !strcmp("ze", dev->dv_cfdata->cf_driver->cd_name))
-               booted_from = dev;
+       /* Is this a SCSI device? */
+       if (strcmp("sd", dev->dv_cfdata->cf_driver->cd_name) &&
+           strcmp("cd", dev->dv_cfdata->cf_driver->cd_name))
+               return 0;
+
+       if (sa->sa_sc_link->type != BUS_SCSI)
+               return 0; /* ``Cannot happen'' */
+
+       if (sa->sa_sc_link->scsipi_scsi.target != B_UNIT(bootdev))
+               return 0; /* Wrong unit */
+
+       ppdev = dev->dv_parent->dv_parent;
+       if ((strcmp(ppdev->dv_cfdata->cf_driver->cd_name, "ncr") == 0) &&
+           (ppdev->dv_unit == B_CONTROLLER(bootdev)))
+                       return 1;
+
+       return 0; /* Where did we come from??? */
 }
+#endif