[src/trunk]: src/sys/arch/amiga/dev Correct the way I was using the transfer ...

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

details:   https://anonhg.NetBSD.org/src/rev/c60a377a7276
branches:  trunk
changeset: 472000:c60a377a7276
user:      mhitch <mhitch%NetBSD.org@localhost>
date:      Sat Apr 17 19:49:24 1999 +0000

description:
Correct the way I was using the transfer length for ATAPI commands.  ATAPI ZIP
drives are now usable.

diffstat:

 sys/arch/amiga/dev/idesc.c |  24 +++++++++++++++++-------
 1 files changed, 17 insertions(+), 7 deletions(-)

diffs (77 lines):

diff -r 2b5971a300b4 -r c60a377a7276 sys/arch/amiga/dev/idesc.c
--- a/sys/arch/amiga/dev/idesc.c        Sat Apr 17 19:05:19 1999 +0000
+++ b/sys/arch/amiga/dev/idesc.c        Sat Apr 17 19:49:24 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: idesc.c,v 1.40 1999/04/17 17:08:12 mhitch Exp $        */
+/*     $NetBSD: idesc.c,v 1.41 1999/04/17 19:49:24 mhitch Exp $        */
 
 /*
  * Copyright (c) 1994 Michael L. Hitch
@@ -458,8 +458,8 @@
 #endif
                                continue;
                        }
-                       if (idecommand(&sc->sc_ide[i], 0, 0, 0,
-                           DEV_BSIZE, ATAPI_IDENTIFY) != 0 ||
+                       if (idecommand(&sc->sc_ide[i], DEV_BSIZE, 0, 0, 0,
+                           ATAPI_IDENTIFY) != 0 ||
                            wait_for_drq(sc) != 0) {
 #ifdef DEBUG_ATAPI
                                printf("\nATAPI_IDENTIFY failed for drive %d",
@@ -791,8 +791,11 @@
        }
        if (status & IDES_ERR) {
                sc->sc_error = regs->ide_error;
-               printf ("idewait: status %02x error %02x\n", status,
-                   sc->sc_error);
+#ifdef DEBUG
+               if (ide_debug)
+                       printf ("idewait: status %02x error %02x\n", status,
+                           sc->sc_error);
+#endif
        }
 #ifdef DEBUG
        else if (ide_debug)
@@ -1319,7 +1322,9 @@
        xs = dev->sc_xs;
        clen = dev->sc_cur->sc_flags & IDEF_ACAPLEN ? 16 : 12;
 
-       if (idecommand(dev->sc_cur, 0, 0, 0, xs->datalen, ATAPI_PACKET) != 0) {
+       if (idecommand(dev->sc_cur,
+           (xs->datalen < 0xffff) ? xs->datalen : 0xfffe, 0, 0, 0,
+           ATAPI_PACKET) != 0) {
                printf("ide_atapi_start: send packet failed\n");
                dev->sc_stat[0] = -1;
                ide_scsidone(dev, dev->sc_stat[0]);
@@ -1405,7 +1410,8 @@
                return (-1);
        }
 
-       if (idecommand(ide, 0, 0, 0, len, ATAPI_PACKET) != 0) {
+       if (idecommand(ide, (len < 0xffff) ? len : 0xfffe, 0, 0, 0,
+           ATAPI_PACKET) != 0) {
                printf("ide_atapi_icmd: send packet failed\n");
                dev->sc_stat[0] = -1;
                return(-1);
@@ -1601,8 +1607,10 @@
                } else if (status & IDES_ERR) {
                        struct scsipi_sense rqs;
 
+#ifdef DEBUG_ATAPI
                        printf("ide_atapi_intr: error status %x err %x\n",
                            status, err);
+#endif
                        xs->error = XS_SHORTSENSE;
                        xs->sense.atapi_sense = err;
                        ide->sc_flags |= IDEF_SENSE;
@@ -1615,8 +1623,10 @@
                            sizeof(xs->sense.scsi_sense));
                        return(1);
                }
+#ifdef DEBUG_ATAPI
                if (ide->sc_bcount != 0)
                        printf("ide_atapi_intr: %ld bytes remaining\n", ide->sc_bcount);
+#endif
                break;
        default:
                if (++retries < 500) {