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From: Jim Babb <babb@sedhps01.mdc.com>

Browse source 
Date: Mon, 14 Feb 94 15:57:14 CST

This adds a copyright to the fdc.h file and fixes a bug in re-tries
during writes on a heavily loaded system.
This commit is contained in:
Nate Williams 1994-02-14 22:24:28 +00:00
parent 01c28e0655
commit a60eff2770
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=1161
6 changed files with 103 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
sys/dev/fdc/fdc.c
View file

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)fd.c 7.4 (Berkeley) 5/25/91
* $from: fd.c,v 1.18 1993/12/21 05:09:21 ache Exp $
* $Id:$
*
*/
@ -389,7 +389,7 @@ void fdstrategy(struct buf *bp)
return;
}
#endif
if ((fdu >= (NFD+NFT)) || (bp->b_blkno < 0)) {
if ((fdu >= NFD) || (bp->b_blkno < 0)) {
printf("fdstrat: fdu = %d, blkno = %d, bcount = %d\n",
fdu, bp->b_blkno, bp->b_bcount);
pg("fd:error in fdstrategy");
@ -1174,7 +1174,10 @@ fdioctl (dev, cmd, addr, flag, p)
int error;
#if NFT > 0
if (fd_data[FDUNIT(minor(dev))].fdc->flags & FDC_TAPE_BUSY)
int type = FDTYPE(minor(dev));
/* check for a tape ioctl */
if (type & F_TAPE_TYPE)
return ftioctl(dev, cmd, addr, flag, p);
#endif

9
sys/i386/isa/fd.c
View file

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)fd.c 7.4 (Berkeley) 5/25/91
* $from: fd.c,v 1.18 1993/12/21 05:09:21 ache Exp $
* $Id:$
*
*/
@ -389,7 +389,7 @@ void fdstrategy(struct buf *bp)
return;
}
#endif
if ((fdu >= (NFD+NFT)) || (bp->b_blkno < 0)) {
if ((fdu >= NFD) || (bp->b_blkno < 0)) {
printf("fdstrat: fdu = %d, blkno = %d, bcount = %d\n",
fdu, bp->b_blkno, bp->b_bcount);
pg("fd:error in fdstrategy");
@ -1174,7 +1174,10 @@ fdioctl (dev, cmd, addr, flag, p)
int error;
#if NFT > 0
if (fd_data[FDUNIT(minor(dev))].fdc->flags & FDC_TAPE_BUSY)
int type = FDTYPE(minor(dev));
/* check for a tape ioctl */
if (type & F_TAPE_TYPE)
return ftioctl(dev, cmd, addr, flag, p);
#endif

37
sys/i386/isa/fdc.h
View file

@ -1,3 +1,40 @@
/*-
* Copyright (c) 1990 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.
*
* from: @(#)fd.c 7.4 (Berkeley) 5/25/91
* $Id:$
*
*/
/***********************************************************************\
* Per controller structure. *

16
sys/i386/isa/ft.c
View file

@ -17,6 +17,8 @@
* POSSIBILITY OF SUCH DAMAGE.
*
* ft.c - QIC-40/80 floppy tape driver
* $Id:$
*
*
* 01/26/94 v0.3b - Jim Babb
* Got rid of the hard coded device selection. Moved (some of) the
@ -910,7 +912,7 @@ void async_read(ftu_t ftu, int from)
#endif
/* Check for errors */
if ((rddta[0] & 0xc0) == 0x40) {
if ((rddta[0] & 0xc0) != 0x00) {
if (rddta[1] & 0x04) {
/* Probably wrong position */
ft->lastpos = ft->xblk;
@ -1020,16 +1022,16 @@ void async_write(ftu_t ftu, int from)
#endif
/* Check for errors */
if ((rddta[0] & 0xc0) == 0x40) {
if ((rddta[0] & 0xc0) != 0x00) {
if (rddta[1] & 0x04) {
/* Probably wrong position */
ft->lastpos = ft->xblk;
ard_state = 0;
awr_state = 0;
goto restate;
} else if (retries < 5) {
/* Something happened -- try again */
ft->lastpos = ft->xblk;
ard_state = 0;
awr_state = 0;
retries++;
goto restate;
} else {
@ -1695,8 +1697,12 @@ int qic_status(ftu_t ftu, int cmd, int nbits)
int ftopen(dev_t dev, int arg2) {
ftu_t ftu = FDUNIT(minor(dev));
int type = FDTYPE(minor(dev));
fdc_p fdc = ft_data[ftu].fdc;
fdc_p fdc;
/* check bounds */
if (ftu >= NFT)
return(ENXIO);
fdc = ft_data[ftu].fdc;
/* check for controller already busy with tape */
if (fdc->flags & FDC_TAPE_BUSY)
return(EBUSY);

9
sys/isa/fd.c
View file

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)fd.c 7.4 (Berkeley) 5/25/91
* $from: fd.c,v 1.18 1993/12/21 05:09:21 ache Exp $
* $Id:$
*
*/
@ -389,7 +389,7 @@ void fdstrategy(struct buf *bp)
return;
}
#endif
if ((fdu >= (NFD+NFT)) || (bp->b_blkno < 0)) {
if ((fdu >= NFD) || (bp->b_blkno < 0)) {
printf("fdstrat: fdu = %d, blkno = %d, bcount = %d\n",
fdu, bp->b_blkno, bp->b_bcount);
pg("fd:error in fdstrategy");
@ -1174,7 +1174,10 @@ fdioctl (dev, cmd, addr, flag, p)
int error;
#if NFT > 0
if (fd_data[FDUNIT(minor(dev))].fdc->flags & FDC_TAPE_BUSY)
int type = FDTYPE(minor(dev));
/* check for a tape ioctl */
if (type & F_TAPE_TYPE)
return ftioctl(dev, cmd, addr, flag, p);
#endif

37
sys/isa/fdc.h
View file

@ -1,3 +1,40 @@
/*-
* Copyright (c) 1990 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.
*
* from: @(#)fd.c 7.4 (Berkeley) 5/25/91
* $Id:$
*
*/
/***********************************************************************\
* Per controller structure. *