[src/trunk]: src/sys/arch/pmax/dev Handle the MTOFFL request to actually offl...

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

details:   https://anonhg.NetBSD.org/src/rev/48bd9392b7ac
branches:  trunk
changeset: 475953:48bd9392b7ac
user:      simonb <simonb%NetBSD.org@localhost>
date:      Tue Aug 31 01:12:51 1999 +0000

description:
Handle the MTOFFL request to actually offline a tape rather than just
rewinding it.  Tested with an Exabyte 8500 on a 5900/260 (the asc scsi
driver).

diffstat:

 sys/arch/pmax/dev/scsi.h |  10 +++++++++-
 sys/arch/pmax/dev/tz.c   |  10 +++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)

diffs (60 lines):

diff -r 3b7ab81da4e5 -r 48bd9392b7ac sys/arch/pmax/dev/scsi.h
--- a/sys/arch/pmax/dev/scsi.h  Mon Aug 30 21:18:17 1999 +0000
+++ b/sys/arch/pmax/dev/scsi.h  Tue Aug 31 01:12:51 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: scsi.h,v 1.8 1999/04/24 08:01:07 simonb Exp $  */
+/*     $NetBSD: scsi.h,v 1.9 1999/08/31 01:12:51 simonb Exp $  */
 
 /*
  * Copyright (c) 1992, 1993
@@ -99,6 +99,14 @@
 #define SCSI_PREVENT_ALLOW     0x1e
 
 /*
+ * Arguments to SCSI_LOAD_UNLOAD command.  These are passed in byte
+ * 5 (the blockCount) of a Group0 command block.
+ */
+#define SCSI_LD_UNLOAD         0x00
+#define SCSI_LD_LOAD           0x01
+#define SCSI_LD_RETENSION      0x02
+
+/*
  * Group1 commands are all 10 bytes and have a format according to
  * struct ScsiGroup1Cmd.
  */
diff -r 3b7ab81da4e5 -r 48bd9392b7ac sys/arch/pmax/dev/tz.c
--- a/sys/arch/pmax/dev/tz.c    Mon Aug 30 21:18:17 1999 +0000
+++ b/sys/arch/pmax/dev/tz.c    Tue Aug 31 01:12:51 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tz.c,v 1.19 1999/04/24 08:01:08 simonb Exp $   */
+/*     $NetBSD: tz.c,v 1.20 1999/08/31 01:12:52 simonb Exp $   */
 
 /*
  * Copyright (c) 1992, 1993
@@ -785,7 +785,7 @@
        int code, count;
        static int tzops[] = {
                SCSI_WRITE_EOF, SCSI_SPACE, SCSI_SPACE, SCSI_SPACE, SCSI_SPACE,
-               SCSI_REWIND, SCSI_REWIND, SCSI_TEST_UNIT_READY
+               SCSI_REWIND, SCSI_LOAD_UNLOAD, SCSI_TEST_UNIT_READY
        };
 
        switch (cmd) {
@@ -822,12 +822,16 @@
                        break;
 
                case MTREW:
-               case MTOFFL:
                case MTNOP:
                        code = 0;
                        count = 0;
                        break;
 
+               case MTOFFL:
+                       code = 0;
+                       count = SCSI_LD_UNLOAD;
+                       break;
+
                default:
                        return (EINVAL);
                }