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, 171 deletions

diff --git a/scsi/adapters/scsi_user_dma.c b/scsi/adapters/scsi_user_dma.c
deleted file mode 100644
index 5fb98d64..00000000
--- a/scsi/adapters/scsi_user_dma.c
+++ /dev/null
@@ -1,171 +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 
- * 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 the
- * rights to redistribute these changes.
- */
-/*
- *	File: scsi_user_dma.c
- * 	Author: Alessandro Forin, Carnegie Mellon University
- *	Date:	4/91
- *
- *	Mach 2.5 compat file, to handle case of DMA to user space
- *	[e.g. fsck and other raw device accesses]
- */
-
-#ifdef	MACH_KERNEL
-/* We do not need this in 3.0 */
-#else	/*MACH_KERNEL*/
-
-#include <mach/std_types.h>
-#include <scsi/adapters/scsi_user_dma.h>
-
-#include <kern/assert.h>
-
-#include <vm/vm_kern.h>
-#include <mach/vm_param.h>	/* round_page() */
-
-/* bp -> pmap */
-#include <sys/buf.h>
-#include <sys/proc.h>
-
-/*
- * Initialization, called once per device
- */
-fdma_init(fdma, size)
-	fdma_t		fdma;
-	vm_size_t	size;
-{
-	vm_offset_t	addr;
-
-	size = round_page(size);
-	addr = kmem_alloc_pageable(kernel_map, size);
-	if (addr == 0) panic("fdma_init");
-
-	fdma->kernel_virtual = addr;
-	fdma->max_data = size;
-	fdma->user_virtual = -1;
-
-}
-
-/*
- * Remap a buffer from user space to kernel space.
- * Note that physio() has already validated
- * and wired the user's address range.
- */
-fdma_map(fdma, bp)
-	fdma_t			fdma;
-	struct buf		*bp;
-{
-	pmap_t			pmap;
-	vm_offset_t		user_addr;
-	vm_size_t		size;
-	vm_offset_t		kernel_addr;
-	vm_offset_t		off;
-	vm_prot_t		prot;
-
-	/*
-	 * If this is not to user space, or no data xfer is
-	 * involved, no need to do anything.
-	 */
-	user_addr = (vm_offset_t)bp->b_un.b_addr;
-	if (!(bp->b_flags & B_PHYS) || (user_addr == 0)) {
-		fdma->user_virtual = -1;
-		return;
-	}
-	/*
-	 * We are going to clobber the buffer pointer, so
-	 * remember what it was to restore it later.
-	 */
-	fdma->user_virtual = user_addr;
-
-	/*
-	 * Account for initial offset into phys page
-	 */
-	off = user_addr - trunc_page(user_addr);
-
-	/*
-	 * Check xfer size makes sense, note how many pages we'll remap
-	 */
-	size = bp->b_bcount + off;
-	assert((size <= fdma->max_data));
-	fdma->xfer_size_rnd = round_page(size);
-
-	pmap = bp->b_proc->task->map->pmap;
-
-	/*
-	 * Use minimal protection possible
-	 */
-	prot = VM_PROT_READ;
-	if (bp->b_flags & B_READ)
-		prot |= VM_PROT_WRITE;
-
-	/*
-	 * Loop through all phys pages, taking them from the
-	 * user pmap (they are wired) and inserting them into
-	 * the kernel pmap.
-	 */
-	user_addr -= off;
-	kernel_addr = fdma->kernel_virtual;
-	bp->b_un.b_addr = (char *)kernel_addr + off;
-
-	for (size = fdma->xfer_size_rnd; size; size -= PAGE_SIZE) {
-		register vm_offset_t phys;
-
-		phys = pmap_extract(pmap, user_addr);
-		pmap_enter(kernel_pmap, kernel_addr, phys, prot, TRUE);
-		user_addr += PAGE_SIZE;
-		kernel_addr += PAGE_SIZE;
-	}
-}
-
-/*
- * Called at end of xfer, to restore the buffer
- */
-fdma_unmap(fdma, bp)
-	fdma_t		fdma;
-	struct buf		*bp;
-{
-	register vm_offset_t end_addr;
-
-	/*
-	 * Check we actually did remap it
-	 */
-	if (fdma->user_virtual == -1)
-		return;
-
-	/*
-	 * Restore the buffer
-	 */
-	bp->b_un.b_addr = (char *)fdma->user_virtual;
-	fdma->user_virtual = -1;
-
-	/*
-	 * Eliminate the mapping, pmap module might mess up
-	 * the pv list otherwise.  Some might actually tolerate it.
-	 */
-	end_addr = fdma->kernel_virtual + fdma->xfer_size_rnd;
-	pmap_remove(kernel_pmap, fdma->kernel_virtual, end_addr);
-
-}
-
-#endif	/*MACH_KERNEL*/