Date: Sun, 31 Mar 1996 18:31:58 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-hackers@freebsd.org (FreeBSD hackers) Cc: jleppek@suw2k.hisd.harris.com (James Leppek) Subject: Re: uk device Message-ID: <199603311631.SAA11915@uriah.heep.sax.de> In-Reply-To: <9603311514.AA28632@suw2k.hisd.harris.com> from "James Leppek" at Mar 31, 96 10:14:46 am
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As James Leppek wrote:
>
> How do you get a uk device to become configured. I would
> like to use this device to issue scsi commands but any use
> of it just return "device unconfigured". This is on a freebsd 2.1
> release notebook using the latest pccard patches.
A bug has been sneaking in there... here's the fix. I hope it would
apply to the 2.1R source tree, but you should get the picture.
Index: scsi/scsi_driver.c
===================================================================
RCS file: /home/cvs/src/sys/scsi/scsi_driver.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -u -r1.12 -r1.13
--- scsi_driver.c 1995/12/05 07:14:23 1.12
+++ scsi_driver.c 1996/01/20 15:05:50 1.13
@@ -35,7 +35,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: scsi_driver.c,v 1.12 1995/12/05 07:14:23 julian Exp $
+ * $Id: scsi_driver.c,v 1.13 1996/01/20 15:05:50 joerg Exp $
*
*/
#include <sys/types.h>
@@ -120,7 +120,7 @@
/*
* Check the unit is legal
*/
- if (sc_link == 0 || sc_link->sd == 0)
+ if (sc_link == 0 || (sc_link->sd == 0 && !(sc_link->flags & SDEV_UK)))
return ENXIO;
/* If it is a "once only" device that is already open return EBUSY.
Index: scsi/scsiconf.h
===================================================================
RCS file: /home/cvs/src/sys/scsi/scsiconf.h,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -u -r1.37 -r1.38
--- scsiconf.h 1996/01/07 19:27:06 1.37
+++ scsiconf.h 1996/01/20 15:05:53 1.38
@@ -14,7 +14,7 @@
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*
- * $Id: scsiconf.h,v 1.37 1996/01/07 19:27:06 gibbs Exp $
+ * $Id: scsiconf.h,v 1.38 1996/01/20 15:05:53 joerg Exp $
*/
#ifndef SCSI_SCSICONF_H
#define SCSI_SCSICONF_H 1
@@ -316,6 +316,8 @@
* open and to make unit attentions errors be logged on the console.
* These should be split up; I'm adding SDEV_IS_OPEN to enforce one
* open only.
+ *
+ * XXX SDEV_UK is used to mark the "uk" device.
*/
#define SDEV_MEDIA_LOADED 0x0001 /* device figures are still valid */
@@ -328,6 +330,7 @@
#define SDEV_RESIDS_WORK 0x0400 /* XXX-HA: Residuals work */
#define SDEV_TARGET_OPS 0x0800 /* XXX-HA: Supports target ops */
#define SDEV_IS_OPEN 0x1000 /* at least 1 open session */
+#define SDEV_UK 0x2000 /* this is the "uk" device */
/*
* One of these is allocated and filled in for each scsi bus.
Index: scsi/uk.c
===================================================================
RCS file: /home/cvs/src/sys/scsi/uk.c,v
retrieving revision 1.13
retrieving revision 1.14
diff -u -u -r1.13 -r1.14
--- uk.c 1995/12/08 23:22:30 1.13
+++ uk.c 1996/01/20 15:05:55 1.14
@@ -2,7 +2,7 @@
* Driver for a device we can't identify.
* by Julian Elischer (julian@tfs.com)
*
- * $Id: uk.c,v 1.13 1995/12/08 23:22:30 phk Exp $
+ * $Id: uk.c,v 1.14 1996/01/20 15:05:55 joerg Exp $
*
* If you find that you are adding any code to this file look closely
* at putting it in "scsi_driver.c" instead.
@@ -40,7 +40,7 @@
"uk",
0,
{0, 0},
- SDEV_ONCE_ONLY, /* Only one open allowed */
+ SDEV_ONCE_ONLY|SDEV_UK, /* Only one open allowed */
0,
"Unknown",
ukopen,
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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