2006-02-20 Thomas Schwinge <tschwinge@gnu.org>

Remove unused and unsupported code.  Consult the file
	`DEVELOPMENT' for details.  Partly based on suggestions by
	Gianluca Guida <glguida@gmail.com>.

	* i386/bogus/asc.h: Remove file.
	* i386/bogus/aha.h: Likewise.
	* i386/bogus/eaha.h: Likewise.
	* i386/bogus/sbic.h: Likewise.
	* i386/bogus/sci.h: Likewise.
	* i386/bogus/sii.h: Likewise.
	* i386/bogus/siop.h: Likewise.
	* i386/i386at/eisa.h: Likewise.
	* scsi/adapters/README: Likewise.
	* scsi/adapters/scsi_33C93.h: Likewise.
	* scsi/adapters/scsi_33C93_hdw.c: Likewise.
	* scsi/adapters/scsi_5380.h: Likewise.
	* scsi/adapters/scsi_5380_hdw.c: Likewise.
	* scsi/adapters/scsi_53C700.h: Likewise.
	* scsi/adapters/scsi_53C700_hdw.c: Likewise.
	* scsi/adapters/scsi_53C94.h: Likewise.
	* scsi/adapters/scsi_53C94_hdw.c: Likewise.
	* scsi/adapters/scsi_7061.h: Likewise.
	* scsi/adapters/scsi_7061_hdw.c: Likewise.
	* scsi/adapters/scsi_89352.h: Likewise.
	* scsi/adapters/scsi_89352_hdw.c: Likewise.
	* scsi/adapters/scsi_aha15.h: Likewise.
	* scsi/adapters/scsi_aha15_hdw.c: Likewise.
	* scsi/adapters/scsi_aha17_hdw.c: Likewise.
	* scsi/adapters/scsi_dma.h: Likewise.
	* scsi/adapters/scsi_user_dma.c: Likewise.
	* scsi/adapters/scsi_user_dma.h: Likewise.
	* scsi/compat_30.h: Likewise.
	* scsi/disk_label.c: Likewise.
	* scsi/mapped_scsi.c: Likewise.
	* scsi/mapped_scsi.h: Likewise.
	* scsi/pc_scsi_label.c: Likewise.
	* scsi/rz.c: Likewise.
	* scsi/rz.h: Likewise.
	* scsi/rz_audio.c: Likewise.
	* scsi/rz_cpu.c: Likewise.
	* scsi/rz_disk.c: Likewise.
	* scsi/rz_disk_bbr.c: Likewise.
	* scsi/rz_host.c: Likewise.
	* scsi/rz_labels.h: Likewise.
	* scsi/rz_tape.c: Likewise.
	* scsi/scsi.c: Likewise.
	* scsi/scsi.h: Likewise.
	* scsi/scsi2.h: Likewise.
	* scsi/scsi_alldevs.c: Likewise.
	* scsi/scsi_comm.c: Likewise.
	* scsi/scsi_cpu.c: Likewise.
	* scsi/scsi_defs.h: Likewise.
	* scsi/scsi_disk.c: Likewise.
	* scsi/scsi_endian.h: Likewise.
	* scsi/scsi_jukebox.c: Likewise.
	* scsi/scsi_optical.c: Likewise.
	* scsi/scsi_printer.c: Likewise.
	* scsi/scsi_rom.c: Likewise.
	* scsi/scsi_scanner.c: Likewise.
	* scsi/scsi_tape.c: Likewise.
	* scsi/scsi_worm.c: Likewise.
	* i386/i386at/autoconf.c: Don't include <aha.h> and <eaha.h> anymore
	and adopt all users of NAHA and NEAHA as if it were always defined to
	`0'.
	* i386/i386at/conf.c: Likewise.
	* Makefile.in (scsi-files): Remove variable and all users of it.

1 files changed, 0 insertions, 259 deletions

diff --git a/scsi/rz_disk_bbr.c b/scsi/rz_disk_bbr.c
deleted file mode 100644
index 9d87675..0000000
--- a/scsi/rz_disk_bbr.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/* 
- * Mach Operating System
- * Copyright (c) 1991,1990 Carnegie Mellon University
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- * 
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- * 
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- * 
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-/*
- *	File: rz_disk_bbr.c
- * 	Author: Alessandro Forin, Carnegie Mellon University
- *	Date:	4/91
- *
- *	Top layer of the SCSI driver: interface with the MI.
- *	This file contains bad-block management functions
- *	(retry, replace) for disk-like devices.
- */
-
-#include <mach/std_types.h>
-#include <scsi/compat_30.h>
-
-#include <scsi/scsi.h>
-#include <scsi/scsi_defs.h>
-#include <scsi/rz.h>
-
-#if  (NSCSI > 0)
-
-int	scsi_bbr_retries = 10;
-
-#define	BBR_ACTION_COMPLETE	1
-#define	BBR_ACTION_RETRY_READ	2
-#define BBR_ACTION_REASSIGN	3
-#define	BBR_ACTION_COPY		4
-#define	BBR_ACTION_VERIFY	5
-
-static void make_msf(); /* forward */
-
-/*
- * Bad block replacement routine, invoked on
- * unrecovereable disk read/write errors.
- */
-boolean_t
-scdisk_bad_block_repl(tgt, blockno)
-	target_info_t		*tgt;
-	unsigned int		blockno;
-{
-	register io_req_t	ior = tgt->ior;
-
-	if (scsi_no_automatic_bbr || (ior->io_op & IO_INTERNAL))
-		return FALSE;
-
-	/* signal we took over */
-	tgt->flags |= TGT_BBR_ACTIVE;
-
-	printf("%s", "Attempting bad block replacement..");
-
-	tgt->dev_info.disk.b.badblockno = blockno;
-	tgt->dev_info.disk.b.retry_count = 0;
-
-	tgt->dev_info.disk.b.save_rec   = ior->io_recnum;
-	tgt->dev_info.disk.b.save_addr  = ior->io_data;
-	tgt->dev_info.disk.b.save_count = ior->io_count;
-	tgt->dev_info.disk.b.save_resid = ior->io_residual;
-
-	/*
-	 * On a write all we need is to rewire the offending block.
-	 * Note that the sense data identified precisely which 512 sector
-	 * is bad.  At the end we'll retry the entire write, so if there
-	 * is more than one bad sector involved they will be handled one
-	 * at a time.
-	 */
-	if ((ior->io_op & IO_READ) == 0) {
-		char msf[sizeof(int)];
-		ior->io_temporary = BBR_ACTION_COMPLETE;
-		printf("%s", "just reassign..");
-		make_msf(msf,blockno);
-		scsi_reassign_blocks( tgt, msf, 1, ior);
-	} else
-	/*
-	 * This is more complicated.  We asked for N bytes, and somewhere
-	 * in there there is a chunk of bad data.  First off, we should retry
-	 * at least a couple of times to retrieve that data [yes the drive
-	 * should have done its best already so what].  If that fails we
-	 * should recover as much good data as possible (before the bad one).
-	 */
-	{
-		ior->io_temporary = BBR_ACTION_RETRY_READ;
-		printf("%s", "retry read..");
-		ior->io_residual = 0;
-		scdisk_start_rw(tgt, ior);
-	}
-
-	return TRUE;
-}
-
-static
-void make_msf(buf,val)
-	unsigned char	*buf;
-	unsigned int	val;
-{
-	*buf++ = val >> 24;
-	*buf++ = val >> 16;
-	*buf++ = val >>  8;
-	*buf++ = val >>  0;
-}
-
-/*
- * This effectively replaces the strategy routine during bbr.
- */
-void scdisk_bbr_start( tgt, done)
-	target_info_t		*tgt;
-	boolean_t		done;
-{
-	register io_req_t	ior = tgt->ior;
-	char			*msg;
-
-	switch (ior->io_temporary) {
-
-	case BBR_ACTION_COMPLETE:
-
-		/* all done, either way */
-fin:
-		tgt->flags &= ~TGT_BBR_ACTIVE;
-		ior->io_recnum   = tgt->dev_info.disk.b.save_rec;
-		ior->io_data     = tgt->dev_info.disk.b.save_addr;
-		ior->io_count    = tgt->dev_info.disk.b.save_count;
-		ior->io_residual = tgt->dev_info.disk.b.save_resid;
-
-		if (tgt->done == SCSI_RET_SUCCESS) {
-			/* restart normal life */
-			register unsigned int	xferred;
-			if (xferred = ior->io_residual) {
-				ior->io_data -= xferred;
-				ior->io_count += xferred;
-				ior->io_recnum -= xferred / tgt->block_size;
-				ior->io_residual = 0;
-			}
-			/* from the beginning */
-			ior->io_error = 0;
-			msg = "done, restarting.";
-		} else {
-			/* we could not fix it.  Tell user and give up */
-			tgt->ior = ior->io_next;
-			iodone(ior);
-			msg = "done, but could not recover.";
-		}
-
-		printf("%s\n", msg);
-		scdisk_start( tgt, FALSE);
-		return;
-
-	case BBR_ACTION_RETRY_READ:
-
-		/* see if retry worked, if not do it again */
-		if (tgt->done == SCSI_RET_SUCCESS) {
-			char msf[sizeof(int)];
-
-			/* whew, retry worked.  Now rewire that bad block
-			 * and don't forget to copy the good data over */
-
-			tgt->dev_info.disk.b.retry_count = 0;
-			printf("%s", "ok now, reassign..");
-			ior->io_temporary = BBR_ACTION_COPY;
-			make_msf(msf, tgt->dev_info.disk.b.badblockno);
-			scsi_reassign_blocks( tgt, msf, 1, ior);
-			return;
-		}
-		if (tgt->dev_info.disk.b.retry_count++ < scsi_bbr_retries) {
-			scdisk_start_rw( tgt, ior);
-			return;
-		}
-		/* retrying was hopeless. Leave the bad block there for maintainance */
-		/* because we do not know what to write on it */
-		printf("%s%d%s", "failed after ", scsi_bbr_retries, " retries..");
-		goto fin;
-
-
-	case BBR_ACTION_COPY:
-
-		/* retrying succeded and we rewired the bad block. */
-		if (tgt->done == SCSI_RET_SUCCESS) {
-			unsigned int tmp;
-			struct diskpart *label;
-
-			printf("%s", "ok, rewrite..");
-
-			/* writeback only the bad sector */
-
-			/* map blockno back to partition offset */
-/* !!! partition code changes: */
-			tmp = rzpartition(ior->io_unit);
-/*			label=lookup_part(array, tmp +1); */
-			tmp = tgt->dev_info.disk.b.badblockno - 
-/*				label->start; */
-/* #if 0 */
-			      tgt->dev_info.disk.l.d_partitions[tmp].p_offset;
-/* #endif 0 */
-			ior->io_data += (tmp - ior->io_recnum) * tgt->block_size;
-			ior->io_recnum = tmp;
-			ior->io_count = tgt->block_size;
-			ior->io_op &= ~IO_READ;
-
-			ior->io_temporary = BBR_ACTION_VERIFY;
-			scdisk_start_rw( tgt, ior);
-		} else {
-
-			/* either unsupported command, or repl table full */
-			printf("%s", "reassign failed (really needs reformatting), ");
-			ior->io_error = 0;
-			goto fin;
-		}
-		break;
-
-	case BBR_ACTION_VERIFY:
-
-		if (tgt->done == SCSI_RET_SUCCESS) {
-			ior->io_op |= IO_READ;
-			goto fin;
-		}
-
-		if (tgt->dev_info.disk.b.retry_count++ > scsi_bbr_retries) {
-			printf("%s%d%s", "failed after ",
-				scsi_bbr_retries, " retries..");
-			ior->io_op |= IO_READ;
-			goto fin;
-		}
-
-		/* retry, we are *this* close to success.. */
-		scdisk_start_rw( tgt, ior);
-
-		break;
-
-	case BBR_ACTION_REASSIGN:
-
-		/* if we wanted to issue the reassign multiple times */
-		/* XXX unimplemented XXX */
-
-	default:	/* snafu */
-		panic("scdisk_bbr_start");
-	}
-}
-#endif  /* NSCSI > 0 */