9 files changed, 0 insertions, 3665 deletions

diff --git a/share/man/man4/scsi.4 b/share/man/man4/scsi.4
index 9f11d71ab24e..bb00a1154950 100644
--- a/share/man/man4/scsi.4
+++ b/share/man/man4/scsi.4
@@ -348,7 +348,6 @@ for details.
 .Xr ahci 4 ,
 .Xr ahd 4 ,
 .Xr ata 4 ,
-.Xr bt 4 ,
 .Xr cd 4 ,
 .Xr ch 4 ,
 .Xr da 4 ,
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index 43a3396ed798..3ea1eeef1256 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -1551,8 +1551,6 @@ options		TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK)
 # ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/
 #      19160x/29160x, aic7770/aic78xx
 # ahd: Adaptec 29320/39320 Controllers.
-# bt:  Most Buslogic controllers: including BT-445, BT-54x, BT-64x, BT-74x,
-#      BT-75x, BT-946, BT-948, BT-956, BT-958, SDC3211B, SDC3211F, SDC3222F
 # esp: Emulex ESP, NCR 53C9x and QLogic FAS families based controllers
 #      including the AMD Am53C974 (found on devices such as the Tekram
 #      DC-390(T)) and the Sun ESP and FAS families of controllers
@@ -1572,13 +1570,6 @@ options		TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK)
 #      53C1010-33, 53C1010-66.
 # trm: Tekram DC395U/UW/F DC315U adapters.
 
-#
-# Note that the order is important in order for Buslogic ISA cards to be
-# probed correctly.
-#
-device		bt
-hint.bt.0.at="isa"
-hint.bt.0.port="0x330"
 device		ahc
 device		ahd
 device		esp
diff --git a/sys/conf/files b/sys/conf/files
index bb4369d4e132..63e1abdf3f16 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -1327,9 +1327,6 @@ dev/bnxt/bnxt_hwrm.c		optional bnxt iflib pci
 dev/bnxt/bnxt_sysctl.c		optional bnxt iflib pci
 dev/bnxt/bnxt_txrx.c		optional bnxt iflib pci
 dev/bnxt/if_bnxt.c		optional bnxt iflib pci
-dev/buslogic/bt.c		optional bt
-dev/buslogic/bt_isa.c		optional bt isa
-dev/buslogic/bt_pci.c		optional bt pci
 dev/bwi/bwimac.c		optional bwi
 dev/bwi/bwiphy.c		optional bwi
 dev/bwi/bwirf.c			optional bwi
diff --git a/sys/dev/buslogic/bt.c b/sys/dev/buslogic/bt.c
deleted file mode 100644
index 7e3e41e53873..000000000000
--- a/sys/dev/buslogic/bt.c
+++ /dev/null
@@ -1,2376 +0,0 @@
-/*-
- * Generic driver for the BusLogic MultiMaster SCSI host adapters
- * Product specific probe and attach routines can be found in:
- * sys/dev/buslogic/bt_isa.c	BT-54X, BT-445 cards
- * sys/dev/buslogic/bt_mca.c	BT-64X, SDC3211B, SDC3211F
- * sys/dev/buslogic/bt_pci.c	BT-946, BT-948, BT-956, BT-958 cards
- *
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 1998, 1999 Justin T. Gibbs.
- * 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,
- *    without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
- /*
-  * Special thanks to Leonard N. Zubkoff for writing such a complete and
-  * well documented Mylex/BusLogic MultiMaster driver for Linux.  Support
-  * in this driver for the wide range of MultiMaster controllers and
-  * firmware revisions, with their otherwise undocumented quirks, would not
-  * have been possible without his efforts.
-  */
-
-#include <sys/param.h>
-#include <sys/conf.h>
-#include <sys/systm.h> 
-#include <sys/malloc.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/module.h>
-#include <sys/mutex.h>
-#include <sys/sysctl.h>
-#include <sys/bus.h>
- 
-#include <machine/bus.h>
-#include <sys/rman.h>
-
-#include <cam/cam.h>
-#include <cam/cam_ccb.h>
-#include <cam/cam_sim.h>
-#include <cam/cam_xpt_sim.h>
-#include <cam/cam_debug.h>
-
-#include <cam/scsi/scsi_message.h>
-
-#include <vm/vm.h>
-#include <vm/pmap.h>
- 
-#include <dev/buslogic/btreg.h>
-
-/* MailBox Management functions */
-static __inline void	btnextinbox(struct bt_softc *bt);
-static __inline void	btnextoutbox(struct bt_softc *bt);
-
-static __inline void
-btnextinbox(struct bt_softc *bt)
-{
-	if (bt->cur_inbox == bt->last_inbox)
-		bt->cur_inbox = bt->in_boxes;
-	else
-		bt->cur_inbox++;
-}
-
-static __inline void
-btnextoutbox(struct bt_softc *bt)
-{
-	if (bt->cur_outbox == bt->last_outbox)
-		bt->cur_outbox = bt->out_boxes;
-	else
-		bt->cur_outbox++;
-}
-
-/* CCB Mangement functions */
-static __inline u_int32_t		btccbvtop(struct bt_softc *bt,
-						  struct bt_ccb *bccb);
-static __inline struct bt_ccb*		btccbptov(struct bt_softc *bt,
-						  u_int32_t ccb_addr);
-static __inline u_int32_t		btsensepaddr(struct bt_softc *bt,
-						     struct bt_ccb *bccb);
-static __inline struct scsi_sense_data* btsensevaddr(struct bt_softc *bt,
-						     struct bt_ccb *bccb);
-
-static __inline u_int32_t
-btccbvtop(struct bt_softc *bt, struct bt_ccb *bccb)
-{
-	return (bt->bt_ccb_physbase
-	      + (u_int32_t)((caddr_t)bccb - (caddr_t)bt->bt_ccb_array));
-}
-
-static __inline struct bt_ccb *
-btccbptov(struct bt_softc *bt, u_int32_t ccb_addr)
-{
-	return (bt->bt_ccb_array +
-	        ((struct bt_ccb*)(uintptr_t)ccb_addr - (struct bt_ccb*)(uintptr_t)bt->bt_ccb_physbase));
-}
-
-static __inline u_int32_t
-btsensepaddr(struct bt_softc *bt, struct bt_ccb *bccb)
-{
-	u_int index;
-
-	index = (u_int)(bccb - bt->bt_ccb_array);
-	return (bt->sense_buffers_physbase
-		+ (index * sizeof(struct scsi_sense_data)));
-}
-
-static __inline struct scsi_sense_data *
-btsensevaddr(struct bt_softc *bt, struct bt_ccb *bccb)
-{
-	u_int index;
-
-	index = (u_int)(bccb - bt->bt_ccb_array);
-	return (bt->sense_buffers + index);
-}
-
-static __inline struct bt_ccb*	btgetccb(struct bt_softc *bt);
-static __inline void		btfreeccb(struct bt_softc *bt,
-					  struct bt_ccb *bccb);
-static void		btallocccbs(struct bt_softc *bt);
-static bus_dmamap_callback_t btexecuteccb;
-static void		btdone(struct bt_softc *bt, struct bt_ccb *bccb,
-			       bt_mbi_comp_code_t comp_code);
-static void		bt_intr_locked(struct bt_softc *bt);
-
-/* Host adapter command functions */
-static int	btreset(struct bt_softc* bt, int hard_reset);
-
-/* Initialization functions */
-static int			btinitmboxes(struct bt_softc *bt);
-static bus_dmamap_callback_t	btmapmboxes;
-static bus_dmamap_callback_t	btmapccbs;
-static bus_dmamap_callback_t	btmapsgs;
-
-/* Transfer Negotiation Functions */
-static void btfetchtransinfo(struct bt_softc *bt,
-			     struct ccb_trans_settings *cts);
-
-/* CAM SIM entry points */
-#define ccb_bccb_ptr spriv_ptr0
-#define ccb_bt_ptr spriv_ptr1
-static void	btaction(struct cam_sim *sim, union ccb *ccb);
-static void	btpoll(struct cam_sim *sim);
-
-/* Our timeout handler */
-static void	bttimeout(void *arg);
-
-/*
- * XXX
- * Do our own re-probe protection until a configuration
- * manager can do it for us.  This ensures that we don't
- * reprobe a card already found by the PCI probes.
- */
-struct bt_isa_port bt_isa_ports[] =
-{
-	{ 0x130, 0, 4 },
-	{ 0x134, 0, 5 },
-	{ 0x230, 0, 2 },
-	{ 0x234, 0, 3 },
-	{ 0x330, 0, 0 },
-	{ 0x334, 0, 1 }
-};
-
-/*
- * I/O ports listed in the order enumerated by the
- * card for certain op codes.
- */
-u_int16_t bt_board_ports[] =
-{
-	0x330,
-	0x334,
-	0x230,
-	0x234,
-	0x130,
-	0x134
-};
-
-/* Exported functions */
-void
-bt_init_softc(device_t dev, struct resource *port,
-	      struct resource *irq, struct resource *drq)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-
-	SLIST_INIT(&bt->free_bt_ccbs);
-	LIST_INIT(&bt->pending_ccbs);
-	SLIST_INIT(&bt->sg_maps);
-	bt->dev = dev;
-	bt->port = port;
-	bt->irq = irq;
-	bt->drq = drq;
-	mtx_init(&bt->lock, "bt", NULL, MTX_DEF);
-}
-
-void
-bt_free_softc(device_t dev)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-
-	switch (bt->init_level) {
-	default:
-	case 11:
-		bus_dmamap_unload(bt->sense_dmat, bt->sense_dmamap);
-	case 10:
-		bus_dmamem_free(bt->sense_dmat, bt->sense_buffers,
-				bt->sense_dmamap);
-	case 9:
-		bus_dma_tag_destroy(bt->sense_dmat);
-	case 8:
-	{
-		struct sg_map_node *sg_map;
-
-		while ((sg_map = SLIST_FIRST(&bt->sg_maps))!= NULL) {
-			SLIST_REMOVE_HEAD(&bt->sg_maps, links);
-			bus_dmamap_unload(bt->sg_dmat,
-					  sg_map->sg_dmamap);
-			bus_dmamem_free(bt->sg_dmat, sg_map->sg_vaddr,
-					sg_map->sg_dmamap);
-			free(sg_map, M_DEVBUF);
-		}
-		bus_dma_tag_destroy(bt->sg_dmat);
-	}
-	case 7:
-		bus_dmamap_unload(bt->ccb_dmat, bt->ccb_dmamap);
-		/* FALLTHROUGH */
-	case 6:
-		bus_dmamem_free(bt->ccb_dmat, bt->bt_ccb_array,
-				bt->ccb_dmamap);
-		/* FALLTHROUGH */
-	case 5:
-		bus_dma_tag_destroy(bt->ccb_dmat);
-		/* FALLTHROUGH */
-	case 4:
-		bus_dmamap_unload(bt->mailbox_dmat, bt->mailbox_dmamap);
-		/* FALLTHROUGH */
-	case 3:
-		bus_dmamem_free(bt->mailbox_dmat, bt->in_boxes,
-				bt->mailbox_dmamap);
-		/* FALLTHROUGH */
-	case 2:
-		bus_dma_tag_destroy(bt->buffer_dmat);
-		/* FALLTHROUGH */
-	case 1:
-		bus_dma_tag_destroy(bt->mailbox_dmat);
-		/* FALLTHROUGH */
-	case 0:
-		break;
-	}
-	mtx_destroy(&bt->lock);
-}
-
-int
-bt_port_probe(device_t dev, struct bt_probe_info *info)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-	config_data_t config_data;
-	int error;
-
-	/* See if there is really a card present */
-	if (bt_probe(dev) || bt_fetch_adapter_info(dev))
-		return(1);
-
-	/*
-	 * Determine our IRQ, and DMA settings and
-	 * export them to the configuration system.
-	 */
-	mtx_lock(&bt->lock);
-	error = bt_cmd(bt, BOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
-		       (u_int8_t*)&config_data, sizeof(config_data),
-		       DEFAULT_CMD_TIMEOUT);
-	mtx_unlock(&bt->lock);
-	if (error != 0) {
-		printf("bt_port_probe: Could not determine IRQ or DMA "
-		       "settings for adapter.\n");
-		return (1);
-	}
-
-	if (bt->model[0] == '5') {
-		/* DMA settings only make sense for ISA cards */
-		switch (config_data.dma_chan) {
-		case DMA_CHAN_5:
-			info->drq = 5;
-			break;
-		case DMA_CHAN_6:
-			info->drq = 6;
-			break;
-		case DMA_CHAN_7:
-			info->drq = 7;
-			break;
-		default:
-			printf("bt_port_probe: Invalid DMA setting "
-			       "detected for adapter.\n");
-			return (1);
-		}
-	} else {
-		info->drq = -1;
-	}
-	switch (config_data.irq) {
-	case IRQ_9:
-	case IRQ_10:
-	case IRQ_11:
-	case IRQ_12:
-	case IRQ_14:
-	case IRQ_15:
-		info->irq = ffs(config_data.irq) + 8;
-		break;
-	default:
-		printf("bt_port_probe: Invalid IRQ setting %x"
-		       "detected for adapter.\n", config_data.irq);
-		return (1);
-	}
-	return (0);
-}
-
-/*
- * Probe the adapter and verify that the card is a BusLogic.
- */
-int
-bt_probe(device_t dev)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-	esetup_info_data_t esetup_info;
-	u_int	 status;
-	u_int	 intstat;
-	u_int	 geometry;
-	int	 error;
-	u_int8_t param;
-
-	/*
-	 * See if the three I/O ports look reasonable.
-	 * Touch the minimal number of registers in the
-	 * failure case.
-	 */
-	status = bt_inb(bt, STATUS_REG);
-	if ((status == 0)
-	 || (status & (DIAG_ACTIVE|CMD_REG_BUSY|
-		       STATUS_REG_RSVD|CMD_INVALID)) != 0) {
-		if (bootverbose)
-			device_printf(dev, "Failed Status Reg Test - %x\n",
-			       status);
-		return (ENXIO);
-	}
-
-	intstat = bt_inb(bt, INTSTAT_REG);
-	if ((intstat & INTSTAT_REG_RSVD) != 0) {
-		device_printf(dev, "Failed Intstat Reg Test\n");
-		return (ENXIO);
-	}
-
-	geometry = bt_inb(bt, GEOMETRY_REG);
-	if (geometry == 0xFF) {
-		if (bootverbose)
-			device_printf(dev, "Failed Geometry Reg Test\n");
-		return (ENXIO);
-	}
-
-	/*
-	 * Looking good so far.  Final test is to reset the
-	 * adapter and attempt to fetch the extended setup
-	 * information.  This should filter out all 1542 cards.
-	 */
-	mtx_lock(&bt->lock);
-	if ((error = btreset(bt, /*hard_reset*/TRUE)) != 0) {
-		mtx_unlock(&bt->lock);
-		if (bootverbose)
-			device_printf(dev, "Failed Reset\n");
-		return (ENXIO);
-	}
-	
-	param = sizeof(esetup_info);
-	error = bt_cmd(bt, BOP_INQUIRE_ESETUP_INFO, &param, /*parmlen*/1,
-		       (u_int8_t*)&esetup_info, sizeof(esetup_info),
-		       DEFAULT_CMD_TIMEOUT);
-	mtx_unlock(&bt->lock);
-	if (error != 0) {
-		return (ENXIO);
-	}
-
-	return (0);
-}
-
-/*
- * Pull the boards setup information and record it in our softc.
- */
-int
-bt_fetch_adapter_info(device_t dev)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-	board_id_data_t	board_id;
-	esetup_info_data_t esetup_info;
-	config_data_t config_data;
-	int	 error;
-	u_int8_t length_param;
-
-	/* First record the firmware version */
-	mtx_lock(&bt->lock);
-	error = bt_cmd(bt, BOP_INQUIRE_BOARD_ID, NULL, /*parmlen*/0,
-		       (u_int8_t*)&board_id, sizeof(board_id),
-		       DEFAULT_CMD_TIMEOUT);
-	if (error != 0) {
-		mtx_unlock(&bt->lock);
-		device_printf(dev, "bt_fetch_adapter_info - Failed Get Board Info\n");
-		return (error);
-	}
-	bt->firmware_ver[0] = board_id.firmware_rev_major;
-	bt->firmware_ver[1] = '.';
-	bt->firmware_ver[2] = board_id.firmware_rev_minor;
-	bt->firmware_ver[3] = '\0';
-		
-	/*
-	 * Depending on the firmware major and minor version,
-	 * we may be able to fetch additional minor version info.
-	 */
-	if (bt->firmware_ver[0] > '0') {
-		
-		error = bt_cmd(bt, BOP_INQUIRE_FW_VER_3DIG, NULL, /*parmlen*/0,
-			       (u_int8_t*)&bt->firmware_ver[3], 1,
-			       DEFAULT_CMD_TIMEOUT);
-		if (error != 0) {
-			mtx_unlock(&bt->lock);
-			device_printf(dev,
-				      "bt_fetch_adapter_info - Failed Get "
-				      "Firmware 3rd Digit\n");
-			return (error);
-		}
-		if (bt->firmware_ver[3] == ' ')
-			bt->firmware_ver[3] = '\0';
-		bt->firmware_ver[4] = '\0';
-	}
-
-	if (strcmp(bt->firmware_ver, "3.3") >= 0) {
-
-		error = bt_cmd(bt, BOP_INQUIRE_FW_VER_4DIG, NULL, /*parmlen*/0,
-			       (u_int8_t*)&bt->firmware_ver[4], 1,
-			       DEFAULT_CMD_TIMEOUT);
-		if (error != 0) {
-			mtx_unlock(&bt->lock);
-			device_printf(dev,
-				      "bt_fetch_adapter_info - Failed Get "
-				      "Firmware 4th Digit\n");
-			return (error);
-		}
-		if (bt->firmware_ver[4] == ' ')
-			bt->firmware_ver[4] = '\0';
-		bt->firmware_ver[5] = '\0';
-	}
-
-	/*
-	 * Some boards do not handle the "recently documented"
-	 * Inquire Board Model Number command correctly or do not give
-	 * exact information.  Use the Firmware and Extended Setup
-	 * information in these cases to come up with the right answer.
-	 * The major firmware revision number indicates:
-	 *
-	 * 	5.xx	BusLogic "W" Series Host Adapters:
-	 *		BT-948/958/958D
-	 *	4.xx	BusLogic "C" Series Host Adapters:
-	 *		BT-946C/956C/956CD/747C/757C/757CD/445C/545C/540CF
-	 *	3.xx	BusLogic "S" Series Host Adapters:
-	 *		BT-747S/747D/757S/757D/445S/545S/542D
-	 *		BT-542B/742A (revision H)
-	 *	2.xx	BusLogic "A" Series Host Adapters:
-	 *		BT-542B/742A (revision G and below)
-	 */
-	length_param = sizeof(esetup_info);
-	error = bt_cmd(bt, BOP_INQUIRE_ESETUP_INFO, &length_param, /*parmlen*/1,
-		       (u_int8_t*)&esetup_info, sizeof(esetup_info),
-		       DEFAULT_CMD_TIMEOUT);
-	if (error != 0) {
-		mtx_unlock(&bt->lock);
-		return (error);
-	}
-	
-  	bt->bios_addr = esetup_info.bios_addr << 12;
-
-	bt->mailbox_addrlimit = BUS_SPACE_MAXADDR;
-	if (esetup_info.bus_type == 'A'
-	 && bt->firmware_ver[0] == '2') {
-		snprintf(bt->model, sizeof(bt->model), "542B");
-	} else {
-		ha_model_data_t model_data;
-		int i;
-
-		length_param = sizeof(model_data);
-		error = bt_cmd(bt, BOP_INQUIRE_MODEL, &length_param, 1,
-			       (u_int8_t*)&model_data, sizeof(model_data),
-			       DEFAULT_CMD_TIMEOUT);
-		if (error != 0) {
-			mtx_unlock(&bt->lock);
-			device_printf(dev,
-				      "bt_fetch_adapter_info - Failed Inquire "
-				      "Model Number\n");
-			return (error);
-		}
-		for (i = 0; i < sizeof(model_data.ascii_model); i++) {
-			bt->model[i] = model_data.ascii_model[i];
-			if (bt->model[i] == ' ')
-				break;
-		}
-		bt->model[i] = '\0';
-	}
-
-	bt->level_trigger_ints = esetup_info.level_trigger_ints ? 1 : 0;
-
-	/* SG element limits */
-	bt->max_sg = esetup_info.max_sg;
-
-	/* Set feature flags */
-	bt->wide_bus = esetup_info.wide_bus;
-	bt->diff_bus = esetup_info.diff_bus;
-	bt->ultra_scsi = esetup_info.ultra_scsi;
-
-	if ((bt->firmware_ver[0] == '5')
-	 || (bt->firmware_ver[0] == '4' && bt->wide_bus))
-		bt->extended_lun = TRUE;
-
-	bt->strict_rr = (strcmp(bt->firmware_ver, "3.31") >= 0);
-
-	bt->extended_trans =
-	    ((bt_inb(bt, GEOMETRY_REG) & EXTENDED_TRANSLATION) != 0);
-
-	/*
-	 * Determine max CCB count and whether tagged queuing is
-	 * available based on controller type. Tagged queuing
-	 * only works on 'W' series adapters, 'C' series adapters
-	 * with firmware of rev 4.42 and higher, and 'S' series
-	 * adapters with firmware of rev 3.35 and higher.  The
-	 * maximum CCB counts are as follows:
-	 *
-	 *	192	BT-948/958/958D
-	 *	100	BT-946C/956C/956CD/747C/757C/757CD/445C
-	 * 	50	BT-545C/540CF
-	 * 	30	BT-747S/747D/757S/757D/445S/545S/542D/542B/742A
-	 */
-	if (bt->firmware_ver[0] == '5') {
-		bt->max_ccbs = 192;
-		bt->tag_capable = TRUE;
-	} else if (bt->firmware_ver[0] == '4') {
-		if (bt->model[0] == '5')
-			bt->max_ccbs = 50;
-		else
-			bt->max_ccbs = 100;
-		bt->tag_capable = (strcmp(bt->firmware_ver, "4.22") >= 0);
-	} else {
-		bt->max_ccbs = 30;
-		if (bt->firmware_ver[0] == '3'
-		 && (strcmp(bt->firmware_ver, "3.35") >= 0))
-			bt->tag_capable = TRUE;
-		else
-			bt->tag_capable = FALSE;
-	}
-
-	if (bt->tag_capable != FALSE)
-		bt->tags_permitted = ALL_TARGETS;
-
-	/* Determine Sync/Wide/Disc settings */
-	if (bt->firmware_ver[0] >= '4') {
-		auto_scsi_data_t auto_scsi_data;
-		fetch_lram_params_t fetch_lram_params;
-		int error;
-		
-		/*
-		 * These settings are stored in the
-		 * AutoSCSI data in LRAM of 'W' and 'C'
-		 * adapters.
-		 */
-		fetch_lram_params.offset = AUTO_SCSI_BYTE_OFFSET;
-		fetch_lram_params.response_len = sizeof(auto_scsi_data);
-		error = bt_cmd(bt, BOP_FETCH_LRAM,
-			       (u_int8_t*)&fetch_lram_params,
-			       sizeof(fetch_lram_params),
-			       (u_int8_t*)&auto_scsi_data,
-			       sizeof(auto_scsi_data), DEFAULT_CMD_TIMEOUT);
-
-		if (error != 0) {
-			mtx_unlock(&bt->lock);
-			device_printf(dev,
-				      "bt_fetch_adapter_info - Failed "
-				      "Get Auto SCSI Info\n");
-			return (error);
-		}
-
-		bt->disc_permitted = auto_scsi_data.low_disc_permitted
-				   | (auto_scsi_data.high_disc_permitted << 8);
-		bt->sync_permitted = auto_scsi_data.low_sync_permitted
-				   | (auto_scsi_data.high_sync_permitted << 8);
-		bt->fast_permitted = auto_scsi_data.low_fast_permitted
-				   | (auto_scsi_data.high_fast_permitted << 8);
-		bt->ultra_permitted = auto_scsi_data.low_ultra_permitted
-				   | (auto_scsi_data.high_ultra_permitted << 8);
-		bt->wide_permitted = auto_scsi_data.low_wide_permitted
-				   | (auto_scsi_data.high_wide_permitted << 8);
-
-		if (bt->ultra_scsi == FALSE)
-			bt->ultra_permitted = 0;
-
-		if (bt->wide_bus == FALSE)
-			bt->wide_permitted = 0;
-	} else {
-		/*
-		 * 'S' and 'A' series have this information in the setup
-		 * information structure.
-		 */
-		setup_data_t	setup_info;
-
-		length_param = sizeof(setup_info);
-		error = bt_cmd(bt, BOP_INQUIRE_SETUP_INFO, &length_param,
-			       /*paramlen*/1, (u_int8_t*)&setup_info,
-			       sizeof(setup_info), DEFAULT_CMD_TIMEOUT);
-
-		if (error != 0) {
-			mtx_unlock(&bt->lock);
-			device_printf(dev,
-				      "bt_fetch_adapter_info - Failed "
-				      "Get Setup Info\n");
-			return (error);
-		}
-
-		if (setup_info.initiate_sync != 0) {
-			bt->sync_permitted = ALL_TARGETS;
-
-			if (bt->model[0] == '7') {
-				if (esetup_info.sync_neg10MB != 0)
-					bt->fast_permitted = ALL_TARGETS;
-				if (strcmp(bt->model, "757") == 0)
-					bt->wide_permitted = ALL_TARGETS;
-			}
-		}
-		bt->disc_permitted = ALL_TARGETS;
-	}
-
-	/* We need as many mailboxes as we can have ccbs */
-	bt->num_boxes = bt->max_ccbs;
-
-	/* Determine our SCSI ID */
-	
-	error = bt_cmd(bt, BOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
-		       (u_int8_t*)&config_data, sizeof(config_data),
-		       DEFAULT_CMD_TIMEOUT);
-	mtx_unlock(&bt->lock);
-	if (error != 0) {
-		device_printf(dev,
-			      "bt_fetch_adapter_info - Failed Get Config\n");
-		return (error);
-	}
-	bt->scsi_id = config_data.scsi_id;
-
-	return (0);
-}
-
-/*
- * Start the board, ready for normal operation
- */
-int
-bt_init(device_t dev)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-
-	/* Announce the Adapter */
-	device_printf(dev, "BT-%s FW Rev. %s ", bt->model, bt->firmware_ver);
-
-	if (bt->ultra_scsi != 0)
-		printf("Ultra ");
-
-	if (bt->wide_bus != 0)
-		printf("Wide ");
-	else
-		printf("Narrow ");
-
-	if (bt->diff_bus != 0)
-		printf("Diff ");
-
-	printf("SCSI Host Adapter, SCSI ID %d, %d CCBs\n", bt->scsi_id,
-	       bt->max_ccbs);
-
-	/*
-	 * Create our DMA tags.  These tags define the kinds of device
-	 * accessible memory allocations and memory mappings we will 
-	 * need to perform during normal operation.
-	 *
-	 * Unless we need to further restrict the allocation, we rely
-	 * on the restrictions of the parent dmat, hence the common
-	 * use of MAXADDR and MAXSIZE.
-	 */
-
-	/* DMA tag for mapping buffers into device visible space. */
-	if (bus_dma_tag_create( /* parent	*/ bt->parent_dmat,
-				/* alignment	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ BUS_SPACE_MAXADDR,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ NULL,
-				/* filterarg	*/ NULL,
-				/* maxsize	*/ DFLTPHYS,
-				/* nsegments	*/ BT_NSEG,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ BUS_DMA_ALLOCNOW,
-				/* lockfunc	*/ busdma_lock_mutex,
-				/* lockarg	*/ &bt->lock,
-				&bt->buffer_dmat) != 0) {
-		goto error_exit;
-	}
-
-	bt->init_level++;
-	/* DMA tag for our mailboxes */
-	if (bus_dma_tag_create(	/* parent	*/ bt->parent_dmat,
-				/* alignment	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ bt->mailbox_addrlimit,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ NULL,
-				/* filterarg	*/ NULL,
-				/* maxsize	*/ bt->num_boxes *
-						   (sizeof(bt_mbox_in_t) +
-						    sizeof(bt_mbox_out_t)),
-				/* nsegments	*/ 1,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ 0,
-				/* lockfunc	*/ NULL,
-				/* lockarg	*/ NULL,
-				&bt->mailbox_dmat) != 0) {
-		goto error_exit;
-        }
-
-	bt->init_level++;
-
-	/* Allocation for our mailboxes */
-	if (bus_dmamem_alloc(bt->mailbox_dmat, (void **)&bt->out_boxes,
-			     BUS_DMA_NOWAIT, &bt->mailbox_dmamap) != 0) {
-		goto error_exit;
-	}
-
-	bt->init_level++;
-
-	/* And permanently map them */
-	bus_dmamap_load(bt->mailbox_dmat, bt->mailbox_dmamap,
-       			bt->out_boxes,
-			bt->num_boxes * (sizeof(bt_mbox_in_t)
-				       + sizeof(bt_mbox_out_t)),
-			btmapmboxes, bt, /*flags*/0);
-
-	bt->init_level++;
-
-	bt->in_boxes = (bt_mbox_in_t *)&bt->out_boxes[bt->num_boxes];
-
-	mtx_lock(&bt->lock);
-	btinitmboxes(bt);
-	mtx_unlock(&bt->lock);
-
-	/* DMA tag for our ccb structures */
-	if (bus_dma_tag_create(	/* parent	*/ bt->parent_dmat,
-				/* alignment	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ BUS_SPACE_MAXADDR,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ NULL,
-				/* filterarg	*/ NULL,
-				/* maxsize	*/ bt->max_ccbs *
-						   sizeof(struct bt_ccb),
-				/* nsegments	*/ 1,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ 0,
-				/* lockfunc	*/ NULL,
-				/* lockarg	*/ NULL,
-				&bt->ccb_dmat) != 0) {
-		goto error_exit;
-        }
-
-	bt->init_level++;
-
-	/* Allocation for our ccbs */
-	if (bus_dmamem_alloc(bt->ccb_dmat, (void **)&bt->bt_ccb_array,
-			     BUS_DMA_NOWAIT, &bt->ccb_dmamap) != 0) {
-		goto error_exit;
-	}
-
-	bt->init_level++;
-
-	/* And permanently map them */
-	bus_dmamap_load(bt->ccb_dmat, bt->ccb_dmamap,
-       			bt->bt_ccb_array,
-			bt->max_ccbs * sizeof(struct bt_ccb),
-			btmapccbs, bt, /*flags*/0);
-
-	bt->init_level++;
-
-	/* DMA tag for our S/G structures.  We allocate in page sized chunks */
-	if (bus_dma_tag_create(	/* parent	*/ bt->parent_dmat,
-				/* alignment	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ BUS_SPACE_MAXADDR,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ NULL,
-				/* filterarg	*/ NULL,
-				/* maxsize	*/ PAGE_SIZE,
-				/* nsegments	*/ 1,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ 0,
-				/* lockfunc	*/ NULL,
-				/* lockarg	*/ NULL,
-				&bt->sg_dmat) != 0) {
-		goto error_exit;
-        }
-
-	bt->init_level++;
-
-	/* Perform initial CCB allocation */
-	bzero(bt->bt_ccb_array, bt->max_ccbs * sizeof(struct bt_ccb));
-	btallocccbs(bt);
-
-	if (bt->num_ccbs == 0) {
-		device_printf(dev,
-			      "bt_init - Unable to allocate initial ccbs\n");
-		goto error_exit;
-	}
-
-	/*
-	 * Note that we are going and return (to attach)
-	 */
-	return 0;
-
-error_exit:
-
-	return (ENXIO);
-}
-
-int
-bt_attach(device_t dev)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-	int tagged_dev_openings;
-	struct cam_devq *devq;
-	int error;
-
-	/*
-	 * We reserve 1 ccb for error recovery, so don't
-	 * tell the XPT about it.
-	 */
-	if (bt->tag_capable != 0)
-		tagged_dev_openings = bt->max_ccbs - 1;
-	else
-		tagged_dev_openings = 0;
-
-	/*
-	 * Create the device queue for our SIM.
-	 */
-	devq = cam_simq_alloc(bt->max_ccbs - 1);
-	if (devq == NULL)
-		return (ENOMEM);
-
-	/*
-	 * Construct our SIM entry
-	 */
-	bt->sim = cam_sim_alloc(btaction, btpoll, "bt", bt,
-	    device_get_unit(bt->dev), &bt->lock, 2, tagged_dev_openings, devq);
-	if (bt->sim == NULL) {
-		cam_simq_free(devq);
-		return (ENOMEM);
-	}
-
-	mtx_lock(&bt->lock);
-	if (xpt_bus_register(bt->sim, dev, 0) != CAM_SUCCESS) {
-		cam_sim_free(bt->sim, /*free_devq*/TRUE);
-		mtx_unlock(&bt->lock);
-		return (ENXIO);
-	}
-	
-	if (xpt_create_path(&bt->path, /*periph*/NULL,
-			    cam_sim_path(bt->sim), CAM_TARGET_WILDCARD,
-			    CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
-		xpt_bus_deregister(cam_sim_path(bt->sim));
-		cam_sim_free(bt->sim, /*free_devq*/TRUE);
-		mtx_unlock(&bt->lock);
-		return (ENXIO);
-	}
-	mtx_unlock(&bt->lock);
-		
-	/*
-	 * Setup interrupt.
-	 */
-	error = bus_setup_intr(dev, bt->irq, INTR_TYPE_CAM | INTR_ENTROPY |
-	    INTR_MPSAFE, NULL, bt_intr, bt, &bt->ih);
-	if (error) {
-		device_printf(dev, "bus_setup_intr() failed: %d\n", error);
-		return (error);
-	}
-	gone_in_dev(dev, 12, "bt(4) driver");
-
-	return (0);
-}
-
-int
-bt_check_probed_iop(u_int ioport)
-{
-	u_int i;
-
-	for (i = 0; i < BT_NUM_ISAPORTS; i++) {
-		if (bt_isa_ports[i].addr == ioport) {
-			if (bt_isa_ports[i].probed != 0)
-				return (1);
-			else {
-				return (0);
-			}
-		}
-	}
-	return (1);
-}
-
-void
-bt_mark_probed_bio(isa_compat_io_t port)
-{
-	if (port < BIO_DISABLED)
-		bt_mark_probed_iop(bt_board_ports[port]);
-}
-
-void
-bt_mark_probed_iop(u_int ioport)
-{
-	u_int i;
-
-	for (i = 0; i < BT_NUM_ISAPORTS; i++) {
-		if (ioport == bt_isa_ports[i].addr) {
-			bt_isa_ports[i].probed = 1;
-			break;
-		}
-	}
-}
-
-void
-bt_find_probe_range(int ioport, int *port_index, int *max_port_index)
-{
-	if (ioport > 0) {
-		int i;
-
-		for (i = 0;i < BT_NUM_ISAPORTS; i++)
-			if (ioport <= bt_isa_ports[i].addr)
-				break;
-		if ((i >= BT_NUM_ISAPORTS)
-		 || (ioport != bt_isa_ports[i].addr)) {
-			printf(
-"bt_find_probe_range: Invalid baseport of 0x%x specified.\n"
-"bt_find_probe_range: Nearest valid baseport is 0x%x.\n"
-"bt_find_probe_range: Failing probe.\n",
-			       ioport,
-			       (i < BT_NUM_ISAPORTS)
-				    ? bt_isa_ports[i].addr
-				    : bt_isa_ports[BT_NUM_ISAPORTS - 1].addr);
-			*port_index = *max_port_index = -1;
-			return;
-		}
-		*port_index = *max_port_index = bt_isa_ports[i].bio;
-	} else {
-		*port_index = 0;
-		*max_port_index = BT_NUM_ISAPORTS - 1;
-	}
-}
-
-int
-bt_iop_from_bio(isa_compat_io_t bio_index)
-{
-	if (bio_index < BT_NUM_ISAPORTS)
-		return (bt_board_ports[bio_index]);
-	return (-1);
-}
-
-
-static void
-btallocccbs(struct bt_softc *bt)
-{
-	struct bt_ccb *next_ccb;
-	struct sg_map_node *sg_map;
-	bus_addr_t physaddr;
-	bt_sg_t *segs;
-	int newcount;
-	int i;
-
-	if (bt->num_ccbs >= bt->max_ccbs)
-		/* Can't allocate any more */
-		return;
-
-	next_ccb = &bt->bt_ccb_array[bt->num_ccbs];
-
-	sg_map = malloc(sizeof(*sg_map), M_DEVBUF, M_NOWAIT);
-
-	if (sg_map == NULL)
-		goto error_exit;
-
-	/* Allocate S/G space for the next batch of CCBS */
-	if (bus_dmamem_alloc(bt->sg_dmat, (void **)&sg_map->sg_vaddr,
-			     BUS_DMA_NOWAIT, &sg_map->sg_dmamap) != 0) {
-		free(sg_map, M_DEVBUF);
-		goto error_exit;
-	}
-
-	SLIST_INSERT_HEAD(&bt->sg_maps, sg_map, links);
-
-	bus_dmamap_load(bt->sg_dmat, sg_map->sg_dmamap, sg_map->sg_vaddr,
-			PAGE_SIZE, btmapsgs, bt, /*flags*/0);
-	
-	segs = sg_map->sg_vaddr;
-	physaddr = sg_map->sg_physaddr;
-
-	newcount = (PAGE_SIZE / (BT_NSEG * sizeof(bt_sg_t)));
-	for (i = 0; bt->num_ccbs < bt->max_ccbs && i < newcount; i++) {
-		int error;
-
-		next_ccb->sg_list = segs;
-		next_ccb->sg_list_phys = physaddr;
-		next_ccb->flags = BCCB_FREE;
-		callout_init_mtx(&next_ccb->timer, &bt->lock, 0);
-		error = bus_dmamap_create(bt->buffer_dmat, /*flags*/0,
-					  &next_ccb->dmamap);
-		if (error != 0)
-			break;
-		SLIST_INSERT_HEAD(&bt->free_bt_ccbs, next_ccb, links);
-		segs += BT_NSEG;
-		physaddr += (BT_NSEG * sizeof(bt_sg_t));
-		next_ccb++;
-		bt->num_ccbs++;
-	}
-
-	/* Reserve a CCB for error recovery */
-	if (bt->recovery_bccb == NULL) {
-		bt->recovery_bccb = SLIST_FIRST(&bt->free_bt_ccbs);
-		SLIST_REMOVE_HEAD(&bt->free_bt_ccbs, links);
-	}
-
-	if (SLIST_FIRST(&bt->free_bt_ccbs) != NULL)
-		return;
-
-error_exit:
-	device_printf(bt->dev, "Can't malloc BCCBs\n");
-}
-
-static __inline void
-btfreeccb(struct bt_softc *bt, struct bt_ccb *bccb)
-{
-
-	if (!dumping)
-		mtx_assert(&bt->lock, MA_OWNED);
-	if ((bccb->flags & BCCB_ACTIVE) != 0)
-		LIST_REMOVE(&bccb->ccb->ccb_h, sim_links.le);
-	if (bt->resource_shortage != 0
-	 && (bccb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
-		bccb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
-		bt->resource_shortage = FALSE;
-	}
-	bccb->flags = BCCB_FREE;
-	SLIST_INSERT_HEAD(&bt->free_bt_ccbs, bccb, links);
-	bt->active_ccbs--;
-}
-
-static __inline struct bt_ccb*
-btgetccb(struct bt_softc *bt)
-{
-	struct	bt_ccb* bccb;
-
-	if (!dumping)
-		mtx_assert(&bt->lock, MA_OWNED);
-	if ((bccb = SLIST_FIRST(&bt->free_bt_ccbs)) != NULL) {
-		SLIST_REMOVE_HEAD(&bt->free_bt_ccbs, links);
-		bt->active_ccbs++;
-	} else {
-		btallocccbs(bt);
-		bccb = SLIST_FIRST(&bt->free_bt_ccbs);
-		if (bccb != NULL) {
-			SLIST_REMOVE_HEAD(&bt->free_bt_ccbs, links);
-			bt->active_ccbs++;
-		}
-	}
-
-	return (bccb);
-}
-
-static void
-btaction(struct cam_sim *sim, union ccb *ccb)
-{
-	struct	bt_softc *bt;
-
-	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("btaction\n"));
-	
-	bt = (struct bt_softc *)cam_sim_softc(sim);
-	mtx_assert(&bt->lock, MA_OWNED);
-	
-	switch (ccb->ccb_h.func_code) {
-	/* Common cases first */
-	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
-	case XPT_RESET_DEV:	/* Bus Device Reset the specified SCSI device */
-	{
-		struct	bt_ccb	*bccb;
-		struct	bt_hccb *hccb;
-
-		/*
-		 * get a bccb to use.
-		 */
-		if ((bccb = btgetccb(bt)) == NULL) {
-
-			bt->resource_shortage = TRUE;
-			xpt_freeze_simq(bt->sim, /*count*/1);
-			ccb->ccb_h.status = CAM_REQUEUE_REQ;
-			xpt_done(ccb);
-			return;
-		}
-		
-		hccb = &bccb->hccb;
-
-		/*
-		 * So we can find the BCCB when an abort is requested
-		 */
-		bccb->ccb = ccb;
-		ccb->ccb_h.ccb_bccb_ptr = bccb;
-		ccb->ccb_h.ccb_bt_ptr = bt;
-
-		/*
-		 * Put all the arguments for the xfer in the bccb
-		 */
-		hccb->target_id = ccb->ccb_h.target_id;
-		hccb->target_lun = ccb->ccb_h.target_lun;
-		hccb->btstat = 0;
-		hccb->sdstat = 0;
-
-		if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
-			struct ccb_scsiio *csio;
-			struct ccb_hdr *ccbh;
-			int error;
-
-			csio = &ccb->csio;
-			ccbh = &csio->ccb_h;
-			hccb->opcode = INITIATOR_CCB_WRESID;
-			hccb->datain = (ccb->ccb_h.flags & CAM_DIR_IN) ? 1 : 0;
-			hccb->dataout =(ccb->ccb_h.flags & CAM_DIR_OUT) ? 1 : 0;
-			hccb->cmd_len = csio->cdb_len;
-			if (hccb->cmd_len > sizeof(hccb->scsi_cdb)) {
-				ccb->ccb_h.status = CAM_REQ_INVALID;
-				btfreeccb(bt, bccb);
-				xpt_done(ccb);
-				return;
-			}
-			hccb->sense_len = csio->sense_len;
-			if ((ccbh->flags & CAM_TAG_ACTION_VALID) != 0
-			 && ccb->csio.tag_action != CAM_TAG_ACTION_NONE) {
-				hccb->tag_enable = TRUE;
-				hccb->tag_type = (ccb->csio.tag_action & 0x3);
-			} else {
-				hccb->tag_enable = FALSE;
-				hccb->tag_type = 0;
-			}
-			if ((ccbh->flags & CAM_CDB_POINTER) != 0) {
-				if ((ccbh->flags & CAM_CDB_PHYS) == 0) {
-					bcopy(csio->cdb_io.cdb_ptr,
-					      hccb->scsi_cdb, hccb->cmd_len);
-				} else {
-					/* I guess I could map it in... */
-					ccbh->status = CAM_REQ_INVALID;
-					btfreeccb(bt, bccb);
-					xpt_done(ccb);
-					return;
-				}
-			} else {
-				bcopy(csio->cdb_io.cdb_bytes,
-				      hccb->scsi_cdb, hccb->cmd_len);
-			}
-			/* If need be, bounce our sense buffer */
-			if (bt->sense_buffers != NULL) {
-				hccb->sense_addr = btsensepaddr(bt, bccb);
-			} else {
-				hccb->sense_addr = vtophys(&csio->sense_data);
-			}
-			/*
-			 * If we have any data to send with this command,
-			 * map it into bus space.
-			 */
-			error = bus_dmamap_load_ccb(
-			    bt->buffer_dmat,
-			    bccb->dmamap,
-			    ccb,
-			    btexecuteccb,
-			    bccb,
-			    /*flags*/0);
-			if (error == EINPROGRESS) {
-				/*
-				 * So as to maintain ordering, freeze the
-				 * controller queue until our mapping is
-				 * returned.
-				 */
-				xpt_freeze_simq(bt->sim, 1);
-				csio->ccb_h.status |= CAM_RELEASE_SIMQ;
-			}
-		} else {
-			hccb->opcode = INITIATOR_BUS_DEV_RESET;
-			/* No data transfer */
-			hccb->datain = TRUE;
-			hccb->dataout = TRUE;
-			hccb->cmd_len = 0;
-			hccb->sense_len = 0;
-			hccb->tag_enable = FALSE;
-			hccb->tag_type = 0;
-			btexecuteccb(bccb, NULL, 0, 0);
-		}
-		break;
-	}
-	case XPT_ABORT:			/* Abort the specified CCB */
-		/* XXX Implement */
-		ccb->ccb_h.status = CAM_REQ_INVALID;
-		xpt_done(ccb);
-		break;
-	case XPT_SET_TRAN_SETTINGS:
-	{
-		/* XXX Implement */
-		ccb->ccb_h.status = CAM_PROVIDE_FAIL;
-		xpt_done(ccb);
-		break;
-	}
-	case XPT_GET_TRAN_SETTINGS:
-	/* Get default/user set transfer settings for the target */
-	{
-		struct	ccb_trans_settings *cts;
-		u_int	target_mask;
-
-		cts = &ccb->cts;
-		target_mask = 0x01 << ccb->ccb_h.target_id;
-		if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
-			struct ccb_trans_settings_scsi *scsi =
-			    &cts->proto_specific.scsi;
-			struct ccb_trans_settings_spi *spi =
-			    &cts->xport_specific.spi;
-			cts->protocol = PROTO_SCSI;
-			cts->protocol_version = SCSI_REV_2;
-			cts->transport = XPORT_SPI;
-			cts->transport_version = 2;
-
-			scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
-			spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
-
-			if ((bt->disc_permitted & target_mask) != 0)
-				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
-			if ((bt->tags_permitted & target_mask) != 0)
-				scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
-
-			if ((bt->ultra_permitted & target_mask) != 0)
-				spi->sync_period = 12;
-			else if ((bt->fast_permitted & target_mask) != 0)
-				spi->sync_period = 25;
-			else if ((bt->sync_permitted & target_mask) != 0)
-				spi->sync_period = 50;
-			else
-				spi->sync_period = 0;
-
-			if (spi->sync_period != 0)
-				spi->sync_offset = 15;
-
-			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
-			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
-
-			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
-			if ((bt->wide_permitted & target_mask) != 0)
-				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
-			else
-				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
-
-			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
-				scsi->valid = CTS_SCSI_VALID_TQ;
-				spi->valid |= CTS_SPI_VALID_DISC;
-			} else
-				scsi->valid = 0;
-		} else {
-			btfetchtransinfo(bt, cts);
-		}
-
-		ccb->ccb_h.status = CAM_REQ_CMP;
-		xpt_done(ccb);
-		break;
-	}
-	case XPT_CALC_GEOMETRY:
-	{
-		struct	  ccb_calc_geometry *ccg;
-		u_int32_t size_mb;
-		u_int32_t secs_per_cylinder;
-
-		ccg = &ccb->ccg;
-		size_mb = ccg->volume_size
-			/ ((1024L * 1024L) / ccg->block_size);
-		
-		if (size_mb >= 1024 && (bt->extended_trans != 0)) {
-			if (size_mb >= 2048) {
-				ccg->heads = 255;
-				ccg->secs_per_track = 63;
-			} else {
-				ccg->heads = 128;
-				ccg->secs_per_track = 32;
-			}
-		} else {
-			ccg->heads = 64;
-			ccg->secs_per_track = 32;
-		}
-		secs_per_cylinder = ccg->heads * ccg->secs_per_track;
-		ccg->cylinders = ccg->volume_size / secs_per_cylinder;
-		ccb->ccb_h.status = CAM_REQ_CMP;
-		xpt_done(ccb);
-		break;
-	}
-	case XPT_RESET_BUS:		/* Reset the specified SCSI bus */
-	{
-		btreset(bt, /*hardreset*/TRUE);
-		ccb->ccb_h.status = CAM_REQ_CMP;
-		xpt_done(ccb);
-		break;
-	}
-	case XPT_TERM_IO:		/* Terminate the I/O process */
-		/* XXX Implement */
-		ccb->ccb_h.status = CAM_REQ_INVALID;
-		xpt_done(ccb);
-		break;
-	case XPT_PATH_INQ:		/* Path routing inquiry */
-	{
-		struct ccb_pathinq *cpi = &ccb->cpi;
-		
-		cpi->version_num = 1; /* XXX??? */
-		cpi->hba_inquiry = PI_SDTR_ABLE;
-		if (bt->tag_capable != 0)
-			cpi->hba_inquiry |= PI_TAG_ABLE;
-		if (bt->wide_bus != 0)
-			cpi->hba_inquiry |= PI_WIDE_16;
-		cpi->target_sprt = 0;
-		cpi->hba_misc = 0;
-		cpi->hba_eng_cnt = 0;
-		cpi->max_target = bt->wide_bus ? 15 : 7;
-		cpi->max_lun = 7;
-		cpi->initiator_id = bt->scsi_id;
-		cpi->bus_id = cam_sim_bus(sim);
-		cpi->base_transfer_speed = 3300;
-		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
-		strlcpy(cpi->hba_vid, "BusLogic", HBA_IDLEN);
-		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
-		cpi->unit_number = cam_sim_unit(sim);
-		cpi->ccb_h.status = CAM_REQ_CMP;
-		cpi->transport = XPORT_SPI;
-		cpi->transport_version = 2;
-		cpi->protocol = PROTO_SCSI;
-		cpi->protocol_version = SCSI_REV_2;
-		xpt_done(ccb);
-		break;
-	}
-	default:
-		ccb->ccb_h.status = CAM_REQ_INVALID;
-		xpt_done(ccb);
-		break;
-	}
-}
-
-static void
-btexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
-{
-	struct	 bt_ccb *bccb;
-	union	 ccb *ccb;
-	struct	 bt_softc *bt;
-
-	bccb = (struct bt_ccb *)arg;
-	ccb = bccb->ccb;
-	bt = (struct bt_softc *)ccb->ccb_h.ccb_bt_ptr;
-
-	if (error != 0) {
-		if (error != EFBIG)
-			device_printf(bt->dev,
-				      "Unexepected error 0x%x returned from "
-				      "bus_dmamap_load\n", error);
-		if (ccb->ccb_h.status == CAM_REQ_INPROG) {
-			xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
-			ccb->ccb_h.status = CAM_REQ_TOO_BIG|CAM_DEV_QFRZN;
-		}
-		btfreeccb(bt, bccb);
-		xpt_done(ccb);
-		return;
-	}
-		
-	if (nseg != 0) {
-		bt_sg_t *sg;
-		bus_dma_segment_t *end_seg;
-		bus_dmasync_op_t op;
-
-		end_seg = dm_segs + nseg;
-
-		/* Copy the segments into our SG list */
-		sg = bccb->sg_list;
-		while (dm_segs < end_seg) {
-			sg->len = dm_segs->ds_len;
-			sg->addr = dm_segs->ds_addr;
-			sg++;
-			dm_segs++;
-		}
-
-		if (nseg > 1) {
-			bccb->hccb.opcode = INITIATOR_SG_CCB_WRESID;
-			bccb->hccb.data_len = sizeof(bt_sg_t) * nseg;
-			bccb->hccb.data_addr = bccb->sg_list_phys;
-		} else {
-			bccb->hccb.data_len = bccb->sg_list->len;
-			bccb->hccb.data_addr = bccb->sg_list->addr;
-		}
-
-		if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
-			op = BUS_DMASYNC_PREREAD;
-		else
-			op = BUS_DMASYNC_PREWRITE;
-
-		bus_dmamap_sync(bt->buffer_dmat, bccb->dmamap, op);
-
-	} else {
-		bccb->hccb.opcode = INITIATOR_CCB;
-		bccb->hccb.data_len = 0;
-		bccb->hccb.data_addr = 0;
-	}
-
-	/*
-	 * Last time we need to check if this CCB needs to
-	 * be aborted.
-	 */
-	if (ccb->ccb_h.status != CAM_REQ_INPROG) {
-		if (nseg != 0)
-			bus_dmamap_unload(bt->buffer_dmat, bccb->dmamap);
-		btfreeccb(bt, bccb);
-		xpt_done(ccb);
-		return;
-	}
-		
-	bccb->flags = BCCB_ACTIVE;
-	ccb->ccb_h.status |= CAM_SIM_QUEUED;
-	LIST_INSERT_HEAD(&bt->pending_ccbs, &ccb->ccb_h, sim_links.le);
-
-	callout_reset_sbt(&bccb->timer, SBT_1MS * ccb->ccb_h.timeout, 0,
-	    bttimeout, bccb, 0);
-
-	/* Tell the adapter about this command */
-	bt->cur_outbox->ccb_addr = btccbvtop(bt, bccb);
-	if (bt->cur_outbox->action_code != BMBO_FREE) {
-		/*
-		 * We should never encounter a busy mailbox.
-		 * If we do, warn the user, and treat it as
-		 * a resource shortage.  If the controller is
-		 * hung, one of the pending transactions will
-		 * timeout causing us to start recovery operations.
-		 */
-		device_printf(bt->dev,
-			      "Encountered busy mailbox with %d out of %d "
-			      "commands active!!!\n", bt->active_ccbs,
-			      bt->max_ccbs);
-		callout_stop(&bccb->timer);
-		if (nseg != 0)
-			bus_dmamap_unload(bt->buffer_dmat, bccb->dmamap);
-		btfreeccb(bt, bccb);
-		bt->resource_shortage = TRUE;
-		xpt_freeze_simq(bt->sim, /*count*/1);
-		ccb->ccb_h.status = CAM_REQUEUE_REQ;
-		xpt_done(ccb);
-		return;
-	}
-	bt->cur_outbox->action_code = BMBO_START;	
-	bt_outb(bt, COMMAND_REG, BOP_START_MBOX);
-	btnextoutbox(bt);
-}
-
-void
-bt_intr(void *arg)
-{
-	struct	bt_softc *bt;
-
-	bt = arg;
-	mtx_lock(&bt->lock);
-	bt_intr_locked(bt);
-	mtx_unlock(&bt->lock);
-}
-
-void
-bt_intr_locked(struct bt_softc *bt)
-{
-	u_int	intstat;
-
-	while (((intstat = bt_inb(bt, INTSTAT_REG)) & INTR_PENDING) != 0) {
-
-		if ((intstat & CMD_COMPLETE) != 0) {
-			bt->latched_status = bt_inb(bt, STATUS_REG);
-			bt->command_cmp = TRUE;
-		}
-
-		bt_outb(bt, CONTROL_REG, RESET_INTR);
-
-		if ((intstat & IMB_LOADED) != 0) {
-			while (bt->cur_inbox->comp_code != BMBI_FREE) {
-				btdone(bt,
-				       btccbptov(bt, bt->cur_inbox->ccb_addr),
-				       bt->cur_inbox->comp_code);
-				bt->cur_inbox->comp_code = BMBI_FREE;
-				btnextinbox(bt);
-			}
-		}
-
-		if ((intstat & SCSI_BUS_RESET) != 0) {
-			btreset(bt, /*hardreset*/FALSE);
-		}
-	}
-}
-
-static void
-btdone(struct bt_softc *bt, struct bt_ccb *bccb, bt_mbi_comp_code_t comp_code)
-{
-	union  ccb	  *ccb;
-	struct ccb_scsiio *csio;
-
-	ccb = bccb->ccb;
-	csio = &bccb->ccb->csio;
-
-	if ((bccb->flags & BCCB_ACTIVE) == 0) {
-		device_printf(bt->dev,
-			      "btdone - Attempt to free non-active BCCB %p\n",
-			      (void *)bccb);
-		return;
-	}
-
-	if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
-		bus_dmasync_op_t op;
-
-		if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
-			op = BUS_DMASYNC_POSTREAD;
-		else
-			op = BUS_DMASYNC_POSTWRITE;
-		bus_dmamap_sync(bt->buffer_dmat, bccb->dmamap, op);
-		bus_dmamap_unload(bt->buffer_dmat, bccb->dmamap);
-	}
-
-	if (bccb == bt->recovery_bccb) {
-		/*
-		 * The recovery BCCB does not have a CCB associated
-		 * with it, so short circuit the normal error handling.
-		 * We now traverse our list of pending CCBs and process
-		 * any that were terminated by the recovery CCBs action.
-		 * We also reinstate timeouts for all remaining, pending,
-		 * CCBs.
-		 */
-		struct cam_path *path;
-		struct ccb_hdr *ccb_h;
-		cam_status error;
-
-		/* Notify all clients that a BDR occurred */
-		error = xpt_create_path(&path, /*periph*/NULL,
-					cam_sim_path(bt->sim),
-					bccb->hccb.target_id,
-					CAM_LUN_WILDCARD);
-		
-		if (error == CAM_REQ_CMP) {
-			xpt_async(AC_SENT_BDR, path, NULL);
-			xpt_free_path(path);
-		}
-
-		ccb_h = LIST_FIRST(&bt->pending_ccbs);
-		while (ccb_h != NULL) {
-			struct bt_ccb *pending_bccb;
-
-			pending_bccb = (struct bt_ccb *)ccb_h->ccb_bccb_ptr;
-			if (pending_bccb->hccb.target_id
-			 == bccb->hccb.target_id) {
-				pending_bccb->hccb.btstat = BTSTAT_HA_BDR;
-				ccb_h = LIST_NEXT(ccb_h, sim_links.le);
-				btdone(bt, pending_bccb, BMBI_ERROR);
-			} else {
-				callout_reset_sbt(&pending_bccb->timer,
-				    SBT_1MS * ccb_h->timeout, 0, bttimeout,
-				    pending_bccb, 0);
-				ccb_h = LIST_NEXT(ccb_h, sim_links.le);
-			}
-		}
-		device_printf(bt->dev, "No longer in timeout\n");
-		return;
-	}
-
-	callout_stop(&bccb->timer);
-
-	switch (comp_code) {
-	case BMBI_FREE:
-		device_printf(bt->dev,
-			      "btdone - CCB completed with free status!\n");
-		break;
-	case BMBI_NOT_FOUND:
-		device_printf(bt->dev,
-			      "btdone - CCB Abort failed to find CCB\n");
-		break;
-	case BMBI_ABORT:
-	case BMBI_ERROR:
-		if (bootverbose) {
-			printf("bt: ccb %p - error %x occurred.  "
-			       "btstat = %x, sdstat = %x\n",
-			       (void *)bccb, comp_code, bccb->hccb.btstat,
-			       bccb->hccb.sdstat);
-		}
-		/* An error occurred */
-		switch(bccb->hccb.btstat) {
-		case BTSTAT_DATARUN_ERROR:
-			if (bccb->hccb.data_len == 0) {
-				/*
-				 * At least firmware 4.22, does this
-				 * for a QUEUE FULL condition.
-				 */
-				bccb->hccb.sdstat = SCSI_STATUS_QUEUE_FULL;
-			} else if (bccb->hccb.data_len < 0) {
-				csio->ccb_h.status = CAM_DATA_RUN_ERR;
-				break;
-			}
-			/* FALLTHROUGH */
-		case BTSTAT_NOERROR:
-		case BTSTAT_LINKED_CMD_COMPLETE:
-		case BTSTAT_LINKED_CMD_FLAG_COMPLETE:
-		case BTSTAT_DATAUNDERUN_ERROR:
-
-			csio->scsi_status = bccb->hccb.sdstat;
-			csio->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
-			switch(csio->scsi_status) {
-			case SCSI_STATUS_CHECK_COND:
-			case SCSI_STATUS_CMD_TERMINATED:
-				csio->ccb_h.status |= CAM_AUTOSNS_VALID;
-				/* Bounce sense back if necessary */
-				if (bt->sense_buffers != NULL) {
-					csio->sense_data =
-					    *btsensevaddr(bt, bccb);
-				}
-				break;
-			default:
-				break;
-			case SCSI_STATUS_OK:
-				csio->ccb_h.status = CAM_REQ_CMP;
-				break;
-			}
-			csio->resid = bccb->hccb.data_len;
-			break;
-		case BTSTAT_SELTIMEOUT:
-			csio->ccb_h.status = CAM_SEL_TIMEOUT;
-			break;
-		case BTSTAT_UNEXPECTED_BUSFREE:
-			csio->ccb_h.status = CAM_UNEXP_BUSFREE;
-			break;
-		case BTSTAT_INVALID_PHASE:
-			csio->ccb_h.status = CAM_SEQUENCE_FAIL;
-			break;
-		case BTSTAT_INVALID_ACTION_CODE:
-			panic("%s: Inavlid Action code", bt_name(bt));
-			break;
-		case BTSTAT_INVALID_OPCODE:
-			panic("%s: Inavlid CCB Opcode code", bt_name(bt));
-			break;
-		case BTSTAT_LINKED_CCB_LUN_MISMATCH:
-			/* We don't even support linked commands... */
-			panic("%s: Linked CCB Lun Mismatch", bt_name(bt));
-			break;
-		case BTSTAT_INVALID_CCB_OR_SG_PARAM:
-			panic("%s: Invalid CCB or SG list", bt_name(bt));
-			break;
-		case BTSTAT_AUTOSENSE_FAILED:
-			csio->ccb_h.status = CAM_AUTOSENSE_FAIL;
-			break;
-		case BTSTAT_TAGGED_MSG_REJECTED:
-		{
-			struct ccb_trans_settings neg; 
-			struct ccb_trans_settings_scsi *scsi =
-			    &neg.proto_specific.scsi;
-
-			neg.protocol = PROTO_SCSI;
-			neg.protocol_version = SCSI_REV_2;
-			neg.transport = XPORT_SPI;
-			neg.transport_version = 2;
-			scsi->valid = CTS_SCSI_VALID_TQ;
-			scsi->flags = 0;
-			xpt_print_path(csio->ccb_h.path);
-			printf("refuses tagged commands.  Performing "
-			       "non-tagged I/O\n");
-			xpt_setup_ccb(&neg.ccb_h, csio->ccb_h.path,
-				      /*priority*/1); 
-			xpt_async(AC_TRANSFER_NEG, csio->ccb_h.path, &neg);
-			bt->tags_permitted &= ~(0x01 << csio->ccb_h.target_id);
-			csio->ccb_h.status = CAM_MSG_REJECT_REC;
-			break;
-		}
-		case BTSTAT_UNSUPPORTED_MSG_RECEIVED:
-			/*
-			 * XXX You would think that this is
-			 *     a recoverable error... Hmmm.
-			 */
-			csio->ccb_h.status = CAM_REQ_CMP_ERR;
-			break;
-		case BTSTAT_HA_SOFTWARE_ERROR:
-		case BTSTAT_HA_WATCHDOG_ERROR:
-		case BTSTAT_HARDWARE_FAILURE:
-			/* Hardware reset ??? Can we recover ??? */
-			csio->ccb_h.status = CAM_NO_HBA;
-			break;
-		case BTSTAT_TARGET_IGNORED_ATN:
-		case BTSTAT_OTHER_SCSI_BUS_RESET:
-		case BTSTAT_HA_SCSI_BUS_RESET:
-			if ((csio->ccb_h.status & CAM_STATUS_MASK)
-			 != CAM_CMD_TIMEOUT)
-				csio->ccb_h.status = CAM_SCSI_BUS_RESET;
-			break;
-		case BTSTAT_HA_BDR:
-			if ((bccb->flags & BCCB_DEVICE_RESET) == 0)
-				csio->ccb_h.status = CAM_BDR_SENT;
-			else
-				csio->ccb_h.status = CAM_CMD_TIMEOUT;
-			break;
-		case BTSTAT_INVALID_RECONNECT:
-		case BTSTAT_ABORT_QUEUE_GENERATED:
-			csio->ccb_h.status = CAM_REQ_TERMIO;
-			break;
-		case BTSTAT_SCSI_PERROR_DETECTED:
-			csio->ccb_h.status = CAM_UNCOR_PARITY;
-			break;
-		}
-		if (csio->ccb_h.status != CAM_REQ_CMP) {
-			xpt_freeze_devq(csio->ccb_h.path, /*count*/1);
-			csio->ccb_h.status |= CAM_DEV_QFRZN;
-		}
-		if ((bccb->flags & BCCB_RELEASE_SIMQ) != 0)
-			ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
-		btfreeccb(bt, bccb);
-		xpt_done(ccb);
-		break;
-	case BMBI_OK:
-		/* All completed without incident */
-		ccb->ccb_h.status |= CAM_REQ_CMP;
-		if ((bccb->flags & BCCB_RELEASE_SIMQ) != 0)
-			ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
-		btfreeccb(bt, bccb);
-		xpt_done(ccb);
-		break;
-	}
-}
-
-static int
-btreset(struct bt_softc* bt, int hard_reset)
-{
-	struct	 ccb_hdr *ccb_h;
-	u_int	 status;
-	u_int	 timeout;
-	u_int8_t reset_type;
-
-	if (hard_reset != 0)
-		reset_type = HARD_RESET;
-	else
-		reset_type = SOFT_RESET;
-	bt_outb(bt, CONTROL_REG, reset_type);
-
-	/* Wait 5sec. for Diagnostic start */
-	timeout = 5 * 10000;
-	while (--timeout) {
-		status = bt_inb(bt, STATUS_REG);
-		if ((status & DIAG_ACTIVE) != 0)
-			break;
-		DELAY(100);
-	}
-	if (timeout == 0) {
-		if (bootverbose)
-			device_printf(bt->dev,
-			    "btreset - Diagnostic Active failed to "
-			    "assert. status = 0x%x\n", status);
-		return (ETIMEDOUT);
-	}
-
-	/* Wait 10sec. for Diagnostic end */
-	timeout = 10 * 10000;
-	while (--timeout) {
-		status = bt_inb(bt, STATUS_REG);
-		if ((status & DIAG_ACTIVE) == 0)
-			break;
-		DELAY(100);
-	}
-	if (timeout == 0) {
-		panic("%s: btreset - Diagnostic Active failed to drop. "
-		       "status = 0x%x\n", bt_name(bt), status);
-		return (ETIMEDOUT);
-	}
-
-	/* Wait for the host adapter to become ready or report a failure */
-	timeout = 10000;
-	while (--timeout) {
-		status = bt_inb(bt, STATUS_REG);
-		if ((status & (DIAG_FAIL|HA_READY|DATAIN_REG_READY)) != 0)
-			break;
-		DELAY(100);
-	}
-	if (timeout == 0) {
-		device_printf(bt->dev,
-		    "btreset - Host adapter failed to come ready. "
-		    "status = 0x%x\n", status);
-		return (ETIMEDOUT);
-	}
-
-	/* If the diagnostics failed, tell the user */
-	if ((status & DIAG_FAIL) != 0
-	 || (status & HA_READY) == 0) {
-		device_printf(bt->dev,
-		    "btreset - Adapter failed diagnostics\n");
-
-		if ((status & DATAIN_REG_READY) != 0)
-			device_printf(bt->dev,
-			    "btreset - Host Adapter Error code = 0x%x\n",
-			    bt_inb(bt, DATAIN_REG));
-		return (ENXIO);
-	}
-
-	/* If we've allocated mailboxes, initialize them */
-	if (bt->init_level > 4)
-		btinitmboxes(bt);
-
-	/* If we've attached to the XPT, tell it about the event */
-	if (bt->path != NULL)
-		xpt_async(AC_BUS_RESET, bt->path, NULL);
-
-	/*
-	 * Perform completion processing for all outstanding CCBs.
-	 */
-	while ((ccb_h = LIST_FIRST(&bt->pending_ccbs)) != NULL) {
-		struct bt_ccb *pending_bccb;
-
-		pending_bccb = (struct bt_ccb *)ccb_h->ccb_bccb_ptr;
-		pending_bccb->hccb.btstat = BTSTAT_HA_SCSI_BUS_RESET;
-		btdone(bt, pending_bccb, BMBI_ERROR);
-	}
-
-	return (0);
-}
-
-/*
- * Send a command to the adapter.
- */
-int
-bt_cmd(struct bt_softc *bt, bt_op_t opcode, u_int8_t *params, u_int param_len,
-      u_int8_t *reply_data, u_int reply_len, u_int cmd_timeout)
-{
-	u_int	timeout;
-	u_int	status;
-	u_int	saved_status;
-	u_int	intstat;
-	u_int	reply_buf_size;
-	int	cmd_complete;
-	int	error;
-
-	/* No data returned to start */
-	reply_buf_size = reply_len;
-	reply_len = 0;
-	intstat = 0;
-	cmd_complete = 0;
-	saved_status = 0;
-	error = 0;
-
-	bt->command_cmp = 0;
-	/*
-	 * Wait up to 10 sec. for the adapter to become
-	 * ready to accept commands.
-	 */
-	timeout = 100000;
-	while (--timeout) {
-		status = bt_inb(bt, STATUS_REG);
-		if ((status & HA_READY) != 0
-		 && (status & CMD_REG_BUSY) == 0)
-			break;
-		/*
-		 * Throw away any pending data which may be
-		 * left over from earlier commands that we
-		 * timedout on.
-		 */
-		if ((status & DATAIN_REG_READY) != 0)
-			(void)bt_inb(bt, DATAIN_REG);
-		DELAY(100);
-	}
-	if (timeout == 0) {
-		device_printf(bt->dev,
-		    "bt_cmd: Timeout waiting for adapter ready, "
-		    "status = 0x%x\n", status);
-		return (ETIMEDOUT);
-	}
-
-	/*
-	 * Send the opcode followed by any necessary parameter bytes.
-	 */
-	bt_outb(bt, COMMAND_REG, opcode);
-
-	/*
-	 * Wait for up to 1sec for each byte of the
-	 * parameter list sent to be sent.
-	 */
-	timeout = 10000;
-	while (param_len && --timeout) {
-		DELAY(100);
-		status = bt_inb(bt, STATUS_REG);
-		intstat = bt_inb(bt, INTSTAT_REG);
-	
-		if ((intstat & (INTR_PENDING|CMD_COMPLETE))
-		 == (INTR_PENDING|CMD_COMPLETE)) {
-			saved_status = status;
-			cmd_complete = 1;
-			break;
-		}
-		if (bt->command_cmp != 0) {
-			saved_status = bt->latched_status;
-			cmd_complete = 1;
-			break;
-		}
-		if ((status & DATAIN_REG_READY) != 0)
-			break;
-		if ((status & CMD_REG_BUSY) == 0) {
-			bt_outb(bt, COMMAND_REG, *params++);
-			param_len--;
-			timeout = 10000;
-		}
-	}
-	if (timeout == 0) {
-		device_printf(bt->dev, "bt_cmd: Timeout sending parameters, "
-		    "status = 0x%x\n", status);
-		cmd_complete = 1;
-		saved_status = status;
-		error = ETIMEDOUT;
-	}
-
-	/*
-	 * Wait for the command to complete.
-	 */
-	while (cmd_complete == 0 && --cmd_timeout) {
-
-		status = bt_inb(bt, STATUS_REG);
-		intstat = bt_inb(bt, INTSTAT_REG);
-		/*
-		 * It may be that this command was issued with
-		 * controller interrupts disabled.  We'll never
-		 * get to our command if an incoming mailbox
-		 * interrupt is pending, so take care of completed
-		 * mailbox commands by calling our interrupt handler.
-		 */
-		if ((intstat & (INTR_PENDING|IMB_LOADED))
-		 == (INTR_PENDING|IMB_LOADED))
-			bt_intr_locked(bt);
-
-		if (bt->command_cmp != 0) {
- 			/*
-			 * Our interrupt handler saw CMD_COMPLETE
-			 * status before we did.
-			 */
-			cmd_complete = 1;
-			saved_status = bt->latched_status;
-		} else if ((intstat & (INTR_PENDING|CMD_COMPLETE))
-			== (INTR_PENDING|CMD_COMPLETE)) {
-			/*
-			 * Our poll (in case interrupts are blocked)
-			 * saw the CMD_COMPLETE interrupt.
-			 */
-			cmd_complete = 1;
-			saved_status = status;
-		} else if (opcode == BOP_MODIFY_IO_ADDR
-			&& (status & CMD_REG_BUSY) == 0) {
-			/*
-			 * The BOP_MODIFY_IO_ADDR does not issue a CMD_COMPLETE,
-			 * but it should update the status register.  So, we
-			 * consider this command complete when the CMD_REG_BUSY
-			 * status clears.
-			 */
-			saved_status = status;
-			cmd_complete = 1;
-		} else if ((status & DATAIN_REG_READY) != 0) {
-			u_int8_t data;
-
-			data = bt_inb(bt, DATAIN_REG);
-			if (reply_len < reply_buf_size) {
-				*reply_data++ = data;
-			} else {
-				device_printf(bt->dev,
-				    "bt_cmd - Discarded reply data byte "
-				    "for opcode 0x%x\n", opcode);
-			}
-			/*
-			 * Reset timeout to ensure at least a second
-			 * between response bytes.
-			 */
-			cmd_timeout = MAX(cmd_timeout, 10000);
-			reply_len++;
-
-		} else if ((opcode == BOP_FETCH_LRAM)
-			&& (status & HA_READY) != 0) {
-				saved_status = status;
-				cmd_complete = 1;
-		}
-		DELAY(100);
-	}
-	if (cmd_timeout == 0) {
-		device_printf(bt->dev,
-		    "bt_cmd: Timeout waiting for command (%x) "
-		    "to complete.\n", opcode);
-		device_printf(bt->dev, "status = 0x%x, intstat = 0x%x, "
-		    "rlen %d\n", status, intstat, reply_len);
-		error = (ETIMEDOUT);
-	}
-
-	/*
-	 * Clear any pending interrupts.
-	 */
-	bt_intr_locked(bt);
-	
-	if (error != 0)
-		return (error);
-
-	/*
-	 * If the command was rejected by the controller, tell the caller.
-	 */
-	if ((saved_status & CMD_INVALID) != 0) {
-		/*
-		 * Some early adapters may not recover properly from
-		 * an invalid command.  If it appears that the controller
-		 * has wedged (i.e. status was not cleared by our interrupt
-		 * reset above), perform a soft reset.
-      		 */
-		if (bootverbose)
-			device_printf(bt->dev, "Invalid Command 0x%x\n",
-				opcode);
-		DELAY(1000);
-		status = bt_inb(bt, STATUS_REG);
-		if ((status & (CMD_INVALID|STATUS_REG_RSVD|DATAIN_REG_READY|
-			      CMD_REG_BUSY|DIAG_FAIL|DIAG_ACTIVE)) != 0
-		 || (status & (HA_READY|INIT_REQUIRED))
-		  != (HA_READY|INIT_REQUIRED)) {
-			btreset(bt, /*hard_reset*/FALSE);
-		}
-		return (EINVAL);
-	}
-
-	if (param_len > 0) {
-		/* The controller did not accept the full argument list */
-	 	return (E2BIG);
-	}
-
-	if (reply_len != reply_buf_size) {
-		/* Too much or too little data received */
-		return (EMSGSIZE);
-	}
-
-	/* We were successful */
-	return (0);
-}
-
-static int
-btinitmboxes(struct bt_softc *bt) {
-	init_32b_mbox_params_t init_mbox;
-	int error;
-
-	bzero(bt->in_boxes, sizeof(bt_mbox_in_t) * bt->num_boxes);
-	bzero(bt->out_boxes, sizeof(bt_mbox_out_t) * bt->num_boxes);
-	bt->cur_inbox = bt->in_boxes;
-	bt->last_inbox = bt->in_boxes + bt->num_boxes - 1;
-	bt->cur_outbox = bt->out_boxes;
-	bt->last_outbox = bt->out_boxes + bt->num_boxes - 1;
-
-	/* Tell the adapter about them */
-	init_mbox.num_boxes = bt->num_boxes;
-	init_mbox.base_addr[0] = bt->mailbox_physbase & 0xFF;
-	init_mbox.base_addr[1] = (bt->mailbox_physbase >> 8) & 0xFF;
-	init_mbox.base_addr[2] = (bt->mailbox_physbase >> 16) & 0xFF;
-	init_mbox.base_addr[3] = (bt->mailbox_physbase >> 24) & 0xFF;
-	error = bt_cmd(bt, BOP_INITIALIZE_32BMBOX, (u_int8_t *)&init_mbox,
-		       /*parmlen*/sizeof(init_mbox), /*reply_buf*/NULL,
-		       /*reply_len*/0, DEFAULT_CMD_TIMEOUT);
-
-	if (error != 0)
-		printf("btinitmboxes: Initialization command failed\n");
-	else if (bt->strict_rr != 0) {
-		/*
-		 * If the controller supports
-		 * strict round robin mode,
-		 * enable it
-		 */
-		u_int8_t param;
-
-		param = 0;
-		error = bt_cmd(bt, BOP_ENABLE_STRICT_RR, &param, 1,
-			       /*reply_buf*/NULL, /*reply_len*/0,
-			       DEFAULT_CMD_TIMEOUT);
-
-		if (error != 0) {
-			printf("btinitmboxes: Unable to enable strict RR\n");
-			error = 0;
-		} else if (bootverbose) {
-			device_printf(bt->dev,
-			    "Using Strict Round Robin Mailbox Mode\n");
-		}
-	}
-	
-	return (error);
-}
-
-/*
- * Update the XPT's idea of the negotiated transfer
- * parameters for a particular target.
- */
-static void
-btfetchtransinfo(struct bt_softc *bt, struct ccb_trans_settings *cts)
-{
-	setup_data_t	setup_info;
-	u_int		target;
-	u_int		targ_offset;
-	u_int		targ_mask;
-	u_int		sync_period;
-	u_int		sync_offset;
-	u_int		bus_width;
-	int		error;
-	u_int8_t	param;
-	targ_syncinfo_t	sync_info;
-	struct ccb_trans_settings_scsi *scsi =
-	    &cts->proto_specific.scsi;
-	struct ccb_trans_settings_spi *spi =
-	    &cts->xport_specific.spi;
-
-	spi->valid = 0;
-	scsi->valid = 0;
-
-	target = cts->ccb_h.target_id;
-	targ_offset = (target & 0x7);
-	targ_mask = (0x01 << targ_offset);
-
-	/*
-	 * Inquire Setup Information.  This command retreives the
-	 * Wide negotiation status for recent adapters as well as
-	 * the sync info for older models.
-	 */
-	param = sizeof(setup_info);
-	error = bt_cmd(bt, BOP_INQUIRE_SETUP_INFO, &param, /*paramlen*/1,
-		       (u_int8_t*)&setup_info, sizeof(setup_info),
-		       DEFAULT_CMD_TIMEOUT);
-
-	if (error != 0) {
-		device_printf(bt->dev,
-		    "btfetchtransinfo - Inquire Setup Info Failed %x\n",
-		    error);
-		return;
-	}
-
-	sync_info = (target < 8) ? setup_info.low_syncinfo[targ_offset]
-				 : setup_info.high_syncinfo[targ_offset];
-
-	if (sync_info.sync == 0)
-		sync_offset = 0;
-	else
-		sync_offset = sync_info.offset;
-
-
-	bus_width = MSG_EXT_WDTR_BUS_8_BIT;
-	if (strcmp(bt->firmware_ver, "5.06L") >= 0) {
-		u_int wide_active;
-
-		wide_active =
-		    (target < 8) ? (setup_info.low_wide_active & targ_mask)
-		    		 : (setup_info.high_wide_active & targ_mask);
-
-		if (wide_active)
-			bus_width = MSG_EXT_WDTR_BUS_16_BIT;
-	} else if ((bt->wide_permitted & targ_mask) != 0) {
-		struct ccb_getdev cgd;
-
-		/*
-		 * Prior to rev 5.06L, wide status isn't provided,
-		 * so we "guess" that wide transfers are in effect
-		 * if the user settings allow for wide and the inquiry
-		 * data for the device indicates that it can handle
-		 * wide transfers.
-		 */
-		xpt_setup_ccb(&cgd.ccb_h, cts->ccb_h.path, /*priority*/1);
-		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
-		xpt_action((union ccb *)&cgd);
-		if ((cgd.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP
-		 && (cgd.inq_data.flags & SID_WBus16) != 0)
-			bus_width = MSG_EXT_WDTR_BUS_16_BIT;
-	}
-
-	if (bt->firmware_ver[0] >= '3') {
-		/*
-		 * For adapters that can do fast or ultra speeds,
-		 * use the more exact Target Sync Information command.
-		 */
-		target_sync_info_data_t sync_info;
-
-		param = sizeof(sync_info);
-		error = bt_cmd(bt, BOP_TARG_SYNC_INFO, &param, /*paramlen*/1,
-			       (u_int8_t*)&sync_info, sizeof(sync_info),
-			       DEFAULT_CMD_TIMEOUT);
-		
-		if (error != 0) {
-			device_printf(bt->dev,
-			    "btfetchtransinfo - Inquire Sync "
-			    "Info Failed 0x%x\n", error);
-			return;
-		}
-		sync_period = sync_info.sync_rate[target] * 100;
-	} else {
-		sync_period = 2000 + (500 * sync_info.period);
-	}
-
-	cts->protocol = PROTO_SCSI;
-	cts->protocol_version = SCSI_REV_2;
-	cts->transport = XPORT_SPI;
-	cts->transport_version = 2;
-
-	spi->sync_period = sync_period;
-	spi->valid |= CTS_SPI_VALID_SYNC_RATE;
-	spi->sync_offset = sync_offset;
-	spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
-
-	spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
-	spi->bus_width = bus_width;
-
-	if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
-		scsi->valid = CTS_SCSI_VALID_TQ;
-		spi->valid |= CTS_SPI_VALID_DISC;
-	} else
-		scsi->valid = 0;
-	
-        xpt_async(AC_TRANSFER_NEG, cts->ccb_h.path, cts);
-}
-
-static void
-btmapmboxes(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
-	struct bt_softc* bt;
-
-	bt = (struct bt_softc*)arg;
-	bt->mailbox_physbase = segs->ds_addr;
-}
-
-static void
-btmapccbs(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
-	struct bt_softc* bt;
-
-	bt = (struct bt_softc*)arg;
-	bt->bt_ccb_physbase = segs->ds_addr;
-}
-
-static void
-btmapsgs(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
-
-	struct bt_softc* bt;
-
-	bt = (struct bt_softc*)arg;
-	SLIST_FIRST(&bt->sg_maps)->sg_physaddr = segs->ds_addr;
-}
-
-static void
-btpoll(struct cam_sim *sim)
-{
-	bt_intr_locked(cam_sim_softc(sim));
-}
-
-void
-bttimeout(void *arg)
-{
-	struct bt_ccb	*bccb;
-	union  ccb	*ccb;
-	struct bt_softc *bt;
-
-	bccb = (struct bt_ccb *)arg;
-	ccb = bccb->ccb;
-	bt = (struct bt_softc *)ccb->ccb_h.ccb_bt_ptr;
-	mtx_assert(&bt->lock, MA_OWNED);
-	xpt_print_path(ccb->ccb_h.path);
-	printf("CCB %p - timed out\n", (void *)bccb);
-
-	if ((bccb->flags & BCCB_ACTIVE) == 0) {
-		xpt_print_path(ccb->ccb_h.path);
-		printf("CCB %p - timed out CCB already completed\n",
-		       (void *)bccb);
-		return;
-	}
-
-	/*
-	 * In order to simplify the recovery process, we ask the XPT
-	 * layer to halt the queue of new transactions and we traverse
-	 * the list of pending CCBs and remove their timeouts. This
-	 * means that the driver attempts to clear only one error
-	 * condition at a time.  In general, timeouts that occur
-	 * close together are related anyway, so there is no benefit
-	 * in attempting to handle errors in parallel.  Timeouts will
-	 * be reinstated when the recovery process ends.
-	 */
-	if ((bccb->flags & BCCB_DEVICE_RESET) == 0) {
-		struct ccb_hdr *ccb_h;
-
-		if ((bccb->flags & BCCB_RELEASE_SIMQ) == 0) {
-			xpt_freeze_simq(bt->sim, /*count*/1);
-			bccb->flags |= BCCB_RELEASE_SIMQ;
-		}
-
-		ccb_h = LIST_FIRST(&bt->pending_ccbs);
-		while (ccb_h != NULL) {
-			struct bt_ccb *pending_bccb;
-
-			pending_bccb = (struct bt_ccb *)ccb_h->ccb_bccb_ptr;
-			callout_stop(&pending_bccb->timer);
-			ccb_h = LIST_NEXT(ccb_h, sim_links.le);
-		}
-	}
-
-	if ((bccb->flags & BCCB_DEVICE_RESET) != 0
-	 || bt->cur_outbox->action_code != BMBO_FREE
-	 || ((bccb->hccb.tag_enable == TRUE)
-	  && (bt->firmware_ver[0] < '5'))) {
-		/*
-		 * Try a full host adapter/SCSI bus reset.
-		 * We do this only if we have already attempted
-		 * to clear the condition with a BDR, or we cannot
-		 * attempt a BDR for lack of mailbox resources
-		 * or because of faulty firmware.  It turns out
-		 * that firmware versions prior to 5.xx treat BDRs
-		 * as untagged commands that cannot be sent until
-		 * all outstanding tagged commands have been processed.
-		 * This makes it somewhat difficult to use a BDR to
-		 * clear up a problem with an uncompleted tagged command.
-		 */
-		ccb->ccb_h.status = CAM_CMD_TIMEOUT;
-		btreset(bt, /*hardreset*/TRUE);
-		device_printf(bt->dev, "No longer in timeout\n");
-	} else {
-		/*    
-		 * Send a Bus Device Reset message:
-		 * The target that is holding up the bus may not
-		 * be the same as the one that triggered this timeout
-		 * (different commands have different timeout lengths),
-		 * but we have no way of determining this from our
-		 * timeout handler.  Our strategy here is to queue a
-		 * BDR message to the target of the timed out command.
-		 * If this fails, we'll get another timeout 2 seconds
-		 * later which will attempt a bus reset.
-		 */
-		bccb->flags |= BCCB_DEVICE_RESET;
-		callout_reset(&bccb->timer, 2 * hz, bttimeout, bccb);
-
-		bt->recovery_bccb->hccb.opcode = INITIATOR_BUS_DEV_RESET;
-
-		/* No Data Transfer */
-		bt->recovery_bccb->hccb.datain = TRUE;
-		bt->recovery_bccb->hccb.dataout = TRUE;
-		bt->recovery_bccb->hccb.btstat = 0;
-		bt->recovery_bccb->hccb.sdstat = 0;
-		bt->recovery_bccb->hccb.target_id = ccb->ccb_h.target_id;
-
-		/* Tell the adapter about this command */
-		bt->cur_outbox->ccb_addr = btccbvtop(bt, bt->recovery_bccb);
-		bt->cur_outbox->action_code = BMBO_START;
-		bt_outb(bt, COMMAND_REG, BOP_START_MBOX);
-		btnextoutbox(bt);
-	}
-}
-
-MODULE_VERSION(bt, 1);
-MODULE_DEPEND(bt, cam, 1, 1, 1);
diff --git a/sys/dev/buslogic/bt_isa.c b/sys/dev/buslogic/bt_isa.c
deleted file mode 100644
index 0a36a9d68487..000000000000
--- a/sys/dev/buslogic/bt_isa.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*-
- * Product specific probe and attach routines for:
- *      Buslogic BT-54X and BT-445 cards
- *
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 1998, 1999 Justin T. Gibbs
- * 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,
- *    without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- *
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <sys/bus.h>
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-
-#include <isa/isavar.h>
-#include <dev/buslogic/btreg.h>
-
-#include <cam/scsi/scsi_all.h>
-
-static	bus_dma_filter_t btvlbouncefilter;
-static	bus_dmamap_callback_t btmapsensebuffers;
-
-static int
-bt_isa_alloc_resources(device_t dev, u_long portstart, u_long portend)
-{
-	int rid;
-	struct resource *port;
-	struct resource *irq;
-	struct resource *drq;
-
-	rid = 0;
-	port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
-				  portstart, portend, BT_NREGS, RF_ACTIVE);
-	if (!port)
-		return (ENOMEM);
-
-	if (isa_get_irq(dev) != -1) {
-		rid = 0;
-		irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
-		if (!irq) {
-			if (port)
-				bus_release_resource(dev, SYS_RES_IOPORT,
-						     0, port);
-			return (ENOMEM);
-		}
-	} else
-		irq = NULL;
-
-	if (isa_get_drq(dev) != -1) {
-		rid = 0;
-		drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, RF_ACTIVE);
-		if (!drq) {
-			if (port)
-				bus_release_resource(dev, SYS_RES_IOPORT,
-						     0, port);
-			if (irq)
-				bus_release_resource(dev, SYS_RES_IRQ,
-						     0, irq);
-			return (ENOMEM);
-		}
-	} else
-		drq = NULL;
-
-	bt_init_softc(dev, port, irq, drq);
-
-	return (0);
-}
-
-static void
-bt_isa_release_resources(device_t dev)
-{
-	struct	bt_softc *bt = device_get_softc(dev);
-
-	if (bt->port)
-		bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
-	if (bt->irq)
-		bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
-	if (bt->drq)
-		bus_release_resource(dev, SYS_RES_DRQ, 0, bt->drq);
-	bt_free_softc(dev);
-}
-
-/*
- * Check if the device can be found at the port given
- * and if so, set it up ready for further work
- * as an argument, takes the isa_device structure from
- * autoconf.c
- */
-static int
-bt_isa_probe(device_t dev)
-{
-	/*
-	 * find unit and check we have that many defined
-	 */
-	int	port_index;
-        int	max_port_index;
-
-	/* No pnp support */
-	if (isa_get_vendorid(dev))
-		return (ENXIO);
-
-	port_index = 0;
-	max_port_index = BT_NUM_ISAPORTS - 1;
-	/*
-	 * Bound our board search if the user has
-	 * specified an exact port.
-	 */
-	bt_find_probe_range(isa_get_port(dev), &port_index, &max_port_index);
-
-	if (port_index < 0)
-		return (ENXIO);
-
-	/* Attempt to find an adapter */
-	for (;port_index <= max_port_index; port_index++) {
-		struct bt_probe_info info;
-		u_int ioport;
-
-		ioport = bt_iop_from_bio(port_index);
-
-		/*
-		 * Ensure this port has not already been claimed already
-		 * by a PCI, ISA adapter.
-		 */
-		if (bt_check_probed_iop(ioport) != 0)
-			continue;
-
-		/* Initialise the softc for use during probing */
-		if (bt_isa_alloc_resources(dev, ioport,
-					   ioport + BT_NREGS -1) != 0)
-			continue;
-
-		/* We're going to attempt to probe it now, so mark it probed */
-		bt_mark_probed_bio(port_index);
-
-		if (bt_port_probe(dev, &info) != 0) {
-			if (bootverbose)
-				printf("bt_isa_probe: Probe failed at 0x%x\n",
-				       ioport);
-			bt_isa_release_resources(dev);
-			continue;
-		}
-
-		bt_isa_release_resources(dev);
-
-		bus_set_resource(dev, SYS_RES_DRQ, 0, info.drq, 1);
-		bus_set_resource(dev, SYS_RES_IRQ, 0, info.irq, 1);
-
-		return (BUS_PROBE_DEFAULT);
-	}
-
-	return (ENXIO);
-}
-
-/*
- * Attach all the sub-devices we can find
- */
-static int
-bt_isa_attach(device_t dev)
-{
-	struct	bt_softc *bt = device_get_softc(dev);
-	bus_dma_filter_t *filter;
-	void		 *filter_arg;
-	bus_addr_t	 lowaddr;
-	int		 error, drq;
-
-	/* Initialise softc */
-	error = bt_isa_alloc_resources(dev, 0, ~0);
-	if (error) {
-		device_printf(dev, "can't allocate resources in bt_isa_attach\n");
-		return error;
-	}
-
-	/* Program the DMA channel for external control */
-	if ((drq = isa_get_drq(dev)) != -1)
-		isa_dmacascade(drq);
-
-	/* Allocate our parent dmatag */
-	filter = NULL;
-	filter_arg = NULL;
-	lowaddr = BUS_SPACE_MAXADDR_24BIT;
-	if (bt->model[0] == '4') {
-		/*
-		 * This is a VL adapter.  Typically, VL devices have access
-		 * to the full 32bit address space.  On BT-445S adapters
-		 * prior to revision E, there is a hardware bug that causes
-		 * corruption of transfers to/from addresses in the range of
-		 * the BIOS modulo 16MB.  The only properly functioning
-		 * BT-445S Host Adapters have firmware version 3.37.
-		 * If we encounter one of these adapters and the BIOS is
-		 * installed, install a filter function for our bus_dma_map
-		 * that will catch these accesses and bounce them to a safe
-		 * region of memory.
-		 */
-		if (bt->bios_addr != 0
-		 && strcmp(bt->model, "445S") == 0
-		 && strcmp(bt->firmware_ver, "3.37") < 0) {
-			filter = btvlbouncefilter;
-			filter_arg = bt;
-		} else {
-			lowaddr = BUS_SPACE_MAXADDR_32BIT;
-		}
-	}
-			
-	/* XXX Should be a child of the ISA or VL bus dma tag */
-	if (bus_dma_tag_create(	/* parent	*/ bus_get_dma_tag(dev),
-				/* alignemnt	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ lowaddr,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ filter,
-				/* filterarg	*/ filter_arg,
-				/* maxsize	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* nsegments	*/ ~0,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ 0,
-				/* lockfunc	*/ NULL,
-				/* lockarg	*/ NULL,
-				&bt->parent_dmat) != 0) {
-		bt_isa_release_resources(dev);
-                return (ENOMEM);
-        }                              
-
-        error = bt_init(dev);
-        if (error) {
-		bt_isa_release_resources(dev);
-                return (ENOMEM);
-        }
-
-	if (lowaddr != BUS_SPACE_MAXADDR_32BIT) {
-		/* DMA tag for our sense buffers */
-		if (bus_dma_tag_create(
-				/* parent	*/ bt->parent_dmat,
-				/* alignment	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ BUS_SPACE_MAXADDR,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ NULL,
-				/* filterarg	*/ NULL,
-				/* maxsize	*/ bt->max_ccbs *
-						   sizeof(struct scsi_sense_data),
-				/* nsegments	*/ 1,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ 0,
-				/* lockfunc	*/ NULL,
-				/* lockarg	*/ NULL,
-				&bt->sense_dmat) != 0) {
-			bt_isa_release_resources(dev);
-			return (ENOMEM);
-		}
-
-		bt->init_level++;
-
-		/* Allocation of sense buffers */
-		if (bus_dmamem_alloc(bt->sense_dmat,
-				     (void **)&bt->sense_buffers,
-				     BUS_DMA_NOWAIT, &bt->sense_dmamap) != 0) {
-			bt_isa_release_resources(dev);
-			return (ENOMEM);
-		}
-
-		bt->init_level++;
-
-		/* And permanently map them */
-		bus_dmamap_load(bt->sense_dmat, bt->sense_dmamap,
-       				bt->sense_buffers,
-				bt->max_ccbs * sizeof(*bt->sense_buffers),
-				btmapsensebuffers, bt, /*flags*/0);
-
-		bt->init_level++;
-	}
-
-	error = bt_attach(dev);
-	if (error) {
-		bt_isa_release_resources(dev);
-		return (error);
-	}
-
-	return (0);
-}
-
-#define BIOS_MAP_SIZE (16 * 1024)
-
-static int
-btvlbouncefilter(void *arg, bus_addr_t addr)
-{
-	struct bt_softc *bt;
-
-	bt = (struct bt_softc *)arg;
-
-	addr &= BUS_SPACE_MAXADDR_24BIT;
-
-	if (addr == 0
-	 || (addr >= bt->bios_addr
-	  && addr < (bt->bios_addr + BIOS_MAP_SIZE)))
-		return (1);
-	return (0);
-}
-
-static void
-btmapsensebuffers(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
-	struct bt_softc* bt;
-
-	bt = (struct bt_softc*)arg;
-	bt->sense_buffers_physbase = segs->ds_addr;
-}
-
-static device_method_t bt_isa_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		bt_isa_probe),
-	DEVMETHOD(device_attach,	bt_isa_attach),
-
-	{ 0, 0 }
-};
-
-static driver_t bt_isa_driver = {
-	"bt",
-	bt_isa_methods,
-	sizeof(struct bt_softc),
-};
-
-static devclass_t bt_devclass;
-
-DRIVER_MODULE(bt, isa, bt_isa_driver, bt_devclass, 0, 0);
-MODULE_DEPEND(bt, isa, 1, 1, 1);
diff --git a/sys/dev/buslogic/bt_pci.c b/sys/dev/buslogic/bt_pci.c
deleted file mode 100644
index 115561894f4d..000000000000
--- a/sys/dev/buslogic/bt_pci.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/*-
- * Product specific probe and attach routines for:
- *      Buslogic BT946, BT948, BT956, BT958 SCSI controllers
- *
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 1995, 1997, 1998 Justin T. Gibbs
- * 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,
- *    without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <sys/bus.h>
-
-#include <dev/pci/pcireg.h>
-#include <dev/pci/pcivar.h>
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-
-#include <dev/buslogic/btreg.h>
-
-#define BT_PCI_IOADDR	PCIR_BAR(0)
-#define BT_PCI_MEMADDR	PCIR_BAR(1)
-
-#define PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER	0x1040104Bul
-#define PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC	0x0140104Bul
-#define PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT	0x8130104Bul
-
-static int
-bt_pci_alloc_resources(device_t dev)
-{
-	int		type = 0, rid, zero;
-	struct resource *regs = NULL;
-	struct resource *irq = NULL;
-
-#if 0
-	/* XXX Memory Mapped I/O seems to cause problems */
-	type = SYS_RES_MEMORY;
-	rid = BT_PCI_MEMADDR;
-	regs = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
-#else
-	type = SYS_RES_IOPORT;
-	rid = BT_PCI_IOADDR;
-	regs = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
-#endif
-	if (!regs)
-		return (ENOMEM);
-	
-	zero = 0;
-	irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &zero,
-				     RF_ACTIVE | RF_SHAREABLE);
-	if (!irq) {
-		bus_release_resource(dev, type, rid, regs);
-		return (ENOMEM);
-	}
-
-	bt_init_softc(dev, regs, irq, 0);
-
-	return (0);
-}
-
-static void
-bt_pci_release_resources(device_t dev)
-{
-	struct bt_softc *bt = device_get_softc(dev);
-
-	if (bt->port)
-		/* XXX can't cope with memory registers anyway */
-		bus_release_resource(dev, SYS_RES_IOPORT,
-				     BT_PCI_IOADDR, bt->port);
-	if (bt->irq)
-		bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
-	bt_free_softc(dev);
-}
-
-static int
-bt_pci_probe(device_t dev)
-{
-	switch (pci_get_devid(dev)) {
-		case PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER:
-		case PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC:
-		{
-			struct bt_softc   *bt = device_get_softc(dev);
-			pci_info_data_t pci_info;
-			int error;
-
-			error = bt_pci_alloc_resources(dev);
-			if (error)
-				return (error);
-
-			/*
-			 * Determine if an ISA compatible I/O port has been
-			 * enabled.  If so, record the port so it will not
-			 * be probed by our ISA probe.  If the PCI I/O port
-			 * was not set to the compatibility port, disable it.
-			 */
-			error = bt_cmd(bt, BOP_INQUIRE_PCI_INFO,
-				       /*param*/NULL, /*paramlen*/0,
-				       (u_int8_t*)&pci_info, sizeof(pci_info),
-				       DEFAULT_CMD_TIMEOUT);
-			if (error == 0
-			 && pci_info.io_port < BIO_DISABLED) {
-				bt_mark_probed_bio(pci_info.io_port);
-				if (rman_get_start(bt->port) !=
-				    bt_iop_from_bio(pci_info.io_port)) {
-					u_int8_t new_addr;
-
-					new_addr = BIO_DISABLED;
-					bt_cmd(bt, BOP_MODIFY_IO_ADDR,
-					       /*param*/&new_addr,
-					       /*paramlen*/1, /*reply_buf*/NULL,
-					       /*reply_len*/0,
-					       DEFAULT_CMD_TIMEOUT);
-				}
-			}
-			bt_pci_release_resources(dev);
-			device_set_desc(dev, "Buslogic Multi-Master SCSI Host Adapter");
-			return (BUS_PROBE_DEFAULT);
-		}
-		default:
-			break;
-	}
-
-	return (ENXIO);
-}
-
-static int
-bt_pci_attach(device_t dev)
-{
-	struct bt_softc   *bt = device_get_softc(dev);
-	int		   error;
-
-	/* Initialize softc */
-	error = bt_pci_alloc_resources(dev);
-	if (error) {
-		device_printf(dev, "can't allocate resources in bt_pci_attach\n");
-		return error;
-	}
-
-	/* Allocate a dmatag for our CCB DMA maps */
-	if (bus_dma_tag_create(	/* PCI parent	*/ bus_get_dma_tag(dev),
-				/* alignemnt	*/ 1,
-				/* boundary	*/ 0,
-				/* lowaddr	*/ BUS_SPACE_MAXADDR_32BIT,
-				/* highaddr	*/ BUS_SPACE_MAXADDR,
-				/* filter	*/ NULL,
-				/* filterarg	*/ NULL,
-				/* maxsize	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* nsegments	*/ ~0,
-				/* maxsegsz	*/ BUS_SPACE_MAXSIZE_32BIT,
-				/* flags	*/ 0,
-				/* lockfunc	*/ NULL,
-				/* lockarg	*/ NULL,
-				&bt->parent_dmat) != 0) {
-		bt_pci_release_resources(dev);
-		return (ENOMEM);
-	}
-
-	if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
-		bt_pci_release_resources(dev);
-		return (ENXIO);
-	}
-
-	error = bt_attach(dev);
-
-	if (error) {
-		bt_pci_release_resources(dev);
-		return (error);
-	}
-
-	return (0);
-}
-
-static device_method_t bt_pci_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		bt_pci_probe),
-	DEVMETHOD(device_attach,	bt_pci_attach),
-
-	{ 0, 0 }
-};
-
-static driver_t bt_pci_driver = {
-	"bt",
-	bt_pci_methods,
-	sizeof(struct bt_softc),
-};
-
-static devclass_t bt_devclass;
-
-DRIVER_MODULE(bt, pci, bt_pci_driver, bt_devclass, 0, 0);
-MODULE_DEPEND(bt, pci, 1, 1, 1);
diff --git a/sys/dev/buslogic/btreg.h b/sys/dev/buslogic/btreg.h
deleted file mode 100644
index 04249d03e9ef..000000000000
--- a/sys/dev/buslogic/btreg.h
+++ /dev/null
@@ -1,694 +0,0 @@
-/*-
- * Generic register and struct definitions for the BusLogic
- * MultiMaster SCSI host adapters.  Product specific probe and
- * attach routines can be found in:
- * sys/dev/buslogic/bt_isa.c	BT-54X, BT-445 cards
- * sys/dev/buslogic/bt_mca.c	BT-64X, SDC3211B, SDC3211F
- * sys/dev/buslogic/bt_pci.c	BT-946, BT-948, BT-956, BT-958 cards
- *
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 1998, 1999 Justin T. Gibbs.
- * 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,
- *    without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- *
- * $FreeBSD$
- */
-
-#ifndef _BTREG_H_
-#define _BTREG_H_
-
-#include <sys/queue.h>
-
-#define BT_MAXTRANSFER_SIZE	 0xffffffff	/* limited by 32bit counter */
-#define BT_NSEG		32	/* The number of dma segments supported.
-                                 * BT_NSEG can be maxed out at 8192 entries,
-                                 * but the kernel will never need to transfer
-                                 * such a large request.  To reduce the
-                                 * driver's memory consumption, we reduce the
-                                 * max to 32.  16 would work if all transfers
-                                 * are paged alined since the kernel will only
-                                 * generate at most a 64k transfer, but to
-                                 * handle non-page aligned transfers, you need
-                                 * 17, so we round to the next power of two
-                                 * to make allocating SG space easy and
-                                 * efficient.
-				 */
-
-#define ALL_TARGETS (~0)
-
-/*
- * Control Register pp. 1-8, 1-9 (Write Only)
- */
-#define	CONTROL_REG		0x00
-#define		HARD_RESET	0x80	/* Hard Reset - return to POST state */
-#define		SOFT_RESET	0x40	/* Soft Reset - Clears Adapter state */
-#define		RESET_INTR	0x20	/* Reset/Ack Interrupt */
-#define		RESET_SBUS	0x10	/* Drive SCSI bus reset signal */
-
-/*
- * Status Register pp. 1-9, 1-10 (Read Only)
- */
-#define STATUS_REG			0x00
-#define		DIAG_ACTIVE		0x80	/* Performing Internal Diags */
-#define		DIAG_FAIL		0x40	/* Internal Diags failed */
-#define		INIT_REQUIRED		0x20	/* MBOXes need initialization */
-#define		HA_READY		0x10	/* HA ready for new commands */
-#define		CMD_REG_BUSY		0x08	/* HA busy with last cmd byte */
-#define		DATAIN_REG_READY	0x04	/* Data-in Byte available */
-#define		STATUS_REG_RSVD		0x02
-#define		CMD_INVALID		0x01	/* Invalid Command detected */
-
-/*
- * Command/Parameter Register pp. 1-10, 1-11 (Write Only)
- */
-#define	COMMAND_REG			0x01
-
-/*
- * Data in Register p. 1-11 (Read Only)
- */
-#define	DATAIN_REG			0x01
-
-/*
- * Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
- */
-#define INTSTAT_REG			0x02
-#define		INTR_PENDING		0x80	/* There is a pending INTR */
-#define		INTSTAT_REG_RSVD	0x70
-#define		SCSI_BUS_RESET		0x08	/* Bus Reset detected */
-#define		CMD_COMPLETE		0x04
-#define		OMB_READY		0x02	/* Outgoin Mailbox Ready */
-#define		IMB_LOADED		0x01	/* Incoming Mailbox loaded */
-
-/*
- * Definitions for the "undocumented" geometry register
- */
-typedef enum {
-	GEOM_NODISK,
-	GEOM_64x32,
-	GEOM_128x32,
-	GEOM_255x32
-} disk_geom_t;
-
-#define GEOMETRY_REG			0x03
-#define		DISK0_GEOMETRY		0x03
-#define		DISK1_GEOMETRY		0x0c
-#define		EXTENDED_TRANSLATION	0x80
-#define		GEOMETRY_DISK0(g_reg) (greg & DISK0_GEOMETRY)
-#define		GEOMETRY_DISK1(g_reg) ((greg & DISK1_GEOMETRY) >> 2)
-
-#define BT_NREGS	(4)
-/*
- * Opcodes for Adapter commands.
- * pp 1-18 -> 1-20
- */
-typedef enum {
-	BOP_TEST_CMDC_INTR	= 0x00,
-	BOP_INITIALIZE_24BMBOX	= 0x01,
-	BOP_START_MBOX		= 0x02,
-	BOP_EXECUTE_BIOS_CMD	= 0x03,
-	BOP_INQUIRE_BOARD_ID	= 0x04,
-	BOP_ENABLE_OMBR_INT	= 0x05,
-	BOP_SET_SEL_TIMOUT	= 0x06,
-	BOP_SET_TIME_ON_BUS	= 0x07,
-	BOP_SET_TIME_OFF_BUS	= 0x08,
-	BOP_SET_BUS_TRANS_RATE	= 0x09,
-	BOP_INQUIRE_INST_LDEVS	= 0x0A,
-	BOP_INQUIRE_CONFIG	= 0x0B,
-	BOP_ENABLE_TARGET_MODE	= 0x0C,
-	BOP_INQUIRE_SETUP_INFO	= 0x0D,
-	BOP_WRITE_LRAM		= 0x1A,
-	BOP_READ_LRAM		= 0x1B,
-	BOP_WRITE_CHIP_FIFO	= 0x1C,
-	BOP_READ_CHIP_FIFO	= 0x1C,
-	BOP_ECHO_DATA_BYTE	= 0x1F,
-	BOP_ADAPTER_DIAGNOSTICS	= 0x20,
-	BOP_SET_ADAPTER_OPTIONS	= 0x21,
-	BOP_INQUIRE_INST_HDEVS	= 0x23,
-	BOP_INQUIRE_TARG_DEVS	= 0x24,
-	BOP_DISABLE_HAC_INTR	= 0x25,
-	BOP_INITIALIZE_32BMBOX	= 0x81,
-	BOP_EXECUTE_SCSI_CMD	= 0x83,
-	BOP_INQUIRE_FW_VER_3DIG	= 0x84,
-	BOP_INQUIRE_FW_VER_4DIG	= 0x85,
-	BOP_INQUIRE_PCI_INFO	= 0x86,
-	BOP_INQUIRE_MODEL	= 0x8B,
-	BOP_TARG_SYNC_INFO	= 0x8C,
-	BOP_INQUIRE_ESETUP_INFO	= 0x8D,
-	BOP_ENABLE_STRICT_RR	= 0x8F,
-	BOP_STORE_LRAM		= 0x90,
-	BOP_FETCH_LRAM		= 0x91,
-	BOP_SAVE_TO_EEPROM	= 0x92,
-	BOP_UPLOAD_AUTO_SCSI	= 0x94,
-	BOP_MODIFY_IO_ADDR	= 0x95,
-	BOP_SET_CCB_FORMAT	= 0x96,
-	BOP_FLASH_ROM_DOWNLOAD	= 0x97,
-	BOP_FLASH_WRITE_ENABLE	= 0x98,
-	BOP_WRITE_INQ_BUFFER	= 0x9A,
-	BOP_READ_INQ_BUFFER	= 0x9B,
-	BOP_FLASH_UP_DOWNLOAD	= 0xA7,
-	BOP_READ_SCAM_DATA	= 0xA8,
-	BOP_WRITE_SCAM_DATA	= 0xA9
-} bt_op_t;
-
-/************** Definitions of Multi-byte commands and responses ************/
-
-typedef struct {
-	u_int8_t num_mboxes;
-	u_int8_t base_addr[3];
-} init_24b_mbox_params_t;
-
-typedef struct {
-	u_int8_t board_type;
-#define		BOARD_TYPE_NON_MCA	0x41
-#define		BOARD_TYPE_MCA		0x42
-	u_int8_t cust_features;
-#define		FEATURES_STANDARD	0x41
-	u_int8_t firmware_rev_major;
-	u_int8_t firmware_rev_minor;
-} board_id_data_t;
-
-typedef struct {
-	u_int8_t enable;
-} enable_ombr_intr_params_t;
-
-typedef struct {
-	u_int8_t enable;
-	u_int8_t reserved;
-	u_int8_t timeout[2];	/* timeout in milliseconds */
-} set_selto_parmas_t;
-
-typedef struct {
-	u_int8_t time;		/* time in milliseconds (2-15) */
-} set_timeon_bus_params_t;
-
-typedef struct {
-	u_int8_t time;		/* time in milliseconds (2-15) */
-} set_timeoff_bus_params_t;
-
-typedef struct {
-	u_int8_t rate;
-} set_bus_trasfer_rate_params_t;
-
-typedef struct {
-	u_int8_t targets[8];
-} installed_ldevs_data_t;
-
-typedef struct {
-	u_int8_t dma_chan;
-#define		DMA_CHAN_5	0x20
-#define		DMA_CHAN_6	0x40
-#define		DMA_CHAN_7	0x80
-	u_int8_t irq;
-#define		IRQ_9		0x01
-#define		IRQ_10		0x02
-#define		IRQ_11		0x04
-#define		IRQ_12		0x08
-#define		IRQ_14		0x20
-#define		IRQ_15		0x40
-	u_int8_t scsi_id;
-} config_data_t;
-
-typedef struct {
-	u_int8_t enable;
-} target_mode_params_t;
-
-typedef struct {
-	u_int8_t offset : 4,
-		 period : 3,
-		 sync	: 1;
-} targ_syncinfo_t;
-
-typedef struct {
-	u_int8_t	initiate_sync	: 1,
-		 	parity_enable	: 1,
-					: 6;
-
-	u_int8_t	bus_transfer_rate;
-	u_int8_t	time_on_bus;
-	u_int8_t	time_off_bus;
-	u_int8_t	num_mboxes;
-	u_int8_t	mbox_base_addr[3];
-	targ_syncinfo_t	low_syncinfo[8];	/* For fast and ultra, use 8C */
-	u_int8_t	low_discinfo;
-	u_int8_t	customer_sig;
-	u_int8_t	letter_d;
-	u_int8_t	ha_type;
-	u_int8_t	low_wide_allowed;
-	u_int8_t	low_wide_active;
-	targ_syncinfo_t	high_syncinfo[8];
-	u_int8_t	high_discinfo;
-	u_int8_t	high_wide_allowed;
-	u_int8_t	high_wide_active;
-} setup_data_t;
-
-typedef struct {
-	u_int8_t phys_addr[3];
-} write_adapter_lram_params_t;
-
-typedef struct {
-	u_int8_t phys_addr[3];
-} read_adapter_lram_params_t;
-
-typedef struct {
-	u_int8_t phys_addr[3];
-} write_chip_fifo_params_t;
-
-typedef struct {
-	u_int8_t phys_addr[3];
-} read_chip_fifo_params_t;
-
-typedef struct {
-	u_int8_t length;		/* Excludes this member */
-	u_int8_t low_disc_disable;
-	u_int8_t low_busy_retry_disable;
-	u_int8_t high_disc_disable;
-	u_int8_t high_busy_retry_disable;
-} set_adapter_options_params_t;
-
-typedef struct {
-	u_int8_t targets[8];
-} installed_hdevs_data_t;
-
-typedef struct {
-	u_int8_t low_devs;
-	u_int8_t high_devs;
-} target_devs_data_t;
-
-typedef struct {
-	u_int8_t enable;
-} enable_hac_interrupt_params_t;
-
-typedef struct {
-	u_int8_t num_boxes;
-	u_int8_t base_addr[4];
-} init_32b_mbox_params_t;
-
-typedef u_int8_t fw_ver_3dig_data_t;
-
-typedef u_int8_t fw_ver_4dig_data_t;
-
-typedef struct  {
-	u_int8_t offset;
-	u_int8_t response_len;
-} fetch_lram_params_t;
-
-#define AUTO_SCSI_BYTE_OFFSET	64
-typedef struct {
-	u_int8_t	factory_sig[2];
-	u_int8_t	auto_scsi_data_size;	/* 2 -> 64 bytes */
-	u_int8_t	model_num[6];
-	u_int8_t	adapter_ioport;
-	u_int8_t	floppy_enabled	 :1,
-			floppy_secondary :1,
-			level_trigger	 :1,
-					 :2,
-			system_ram_area	 :3;
-	u_int8_t	dma_channel	 :7,
-			dma_autoconf	 :1;
-	u_int8_t	irq_channel	 :7,
-			irq_autoconf	 :1;
-	u_int8_t	dma_trans_rate;
-	u_int8_t	scsi_id;
-	u_int8_t	low_termination	 :1,
-			scsi_parity	 :1,
-			high_termination :1,
-			req_ack_filter	 :1,
-			fast_sync	 :1,
-			bus_reset	 :1,
-					 :1,
-			active_negation	 :1;
-	u_int8_t	bus_on_delay;
-	u_int8_t	bus_off_delay;
-	u_int8_t	bios_enabled	 :1,
-			int19h_redirect	 :1,
-			extended_trans	 :1,
-			removable_drives :1,
-					 :1,
-			morethan2disks	 :1,
-			interrupt_mode	 :1,
-			floptical_support:1;
-	u_int8_t	low_device_enabled;
-	u_int8_t	high_device_enabled;
-	u_int8_t	low_wide_permitted;
-	u_int8_t	high_wide_permitted;
-	u_int8_t	low_fast_permitted;
-	u_int8_t	high_fast_permitted;
-	u_int8_t	low_sync_permitted;
-	u_int8_t	high_sync_permitted;
-	u_int8_t	low_disc_permitted;
-	u_int8_t	high_disc_permitted;
-	u_int8_t	low_send_start_unit;
-	u_int8_t	high_send_start_unit;
-	u_int8_t	low_ignore_in_bios_scan;
-	u_int8_t	high_ignore_in_bios_scan;
-	u_int8_t	pci_int_pin	 :2,
-			host_ioport	 :2,
-			round_robin	 :1,
-			vesa_bus_over_33 :1,
-			vesa_burst_write :1,
-			vesa_burst_read	 :1;
-	u_int8_t	low_ultra_permitted;
-	u_int8_t	high_ultra_permitted;
-	u_int8_t	reserved[5];
-	u_int8_t	auto_scsi_max_lun;
-	u_int8_t			 :1,
-			scam_dominant	 :1,
-			scam_enabled	 :1,
-			scam_level2	 :1,
-					 :4;
-	u_int8_t	int13_extensions :1,
-					 :1,
-			cdrom_boot	 :1,
-					 :2,
-			multi_boot	 :1,
-					 :2;
-	u_int8_t	boot_target_id	 :4,
-			boot_channel	 :4;
-	u_int8_t	force_dev_scan	 :1,
-					 :7;
-	u_int8_t	low_tagged_lun_independance;
-	u_int8_t	high_tagged_lun_independance;
-	u_int8_t	low_renegotiate_after_cc;
-	u_int8_t	high_renegotiate_after_cc;
-	u_int8_t	reserverd2[10];
-	u_int8_t	manufacturing_diagnotic[2];
-	u_int8_t	checksum[2];
-} auto_scsi_data_t;
-
-struct bt_isa_port {
-	u_int16_t addr;
-	u_int8_t  probed;
-	u_int8_t  bio;
-};
-
-extern struct bt_isa_port bt_isa_ports[];
-
-#define BT_NUM_ISAPORTS 6
-
-typedef enum {
-	BIO_330		= 0,
-	BIO_334		= 1,
-	BIO_230		= 2,
-	BIO_234		= 3,
-	BIO_130		= 4,
-	BIO_134		= 5,
-	BIO_DISABLED	= 6,
-	BIO_DISABLED2	= 7
-} isa_compat_io_t;
-
-typedef struct {
-	u_int8_t io_port;
-	u_int8_t irq_num;
-	u_int8_t low_byte_term	:1,
-		 high_byte_term	:1,
-		 		:2,
-		 jp1_status	:1,
-		 jp2_status	:1,
-		 jp3_status	:1,
-		 		:1;
-	u_int8_t reserved;
-} pci_info_data_t;
-
-typedef struct {
-	u_int8_t ascii_model[5];	/* Fifth byte is always 0 */
-} ha_model_data_t;
-
-typedef struct {
-	u_int8_t sync_rate[16];		/* Sync in 10ns units */
-} target_sync_info_data_t;
-
-typedef struct {
-	u_int8_t  bus_type;
-	u_int8_t  bios_addr;
-	u_int16_t max_sg;
-	u_int8_t  num_mboxes;
-	u_int8_t  mbox_base[4];
-	u_int8_t			:2,
-		  sync_neg10MB		:1,
-		  floppy_disable	:1,
-		  floppy_secondary_port	:1,
-		  burst_mode_enabled	:1,
-		  level_trigger_ints	:1,
-					:1;
-	u_int8_t  fw_ver_bytes_2_to_4[3];
-	u_int8_t  wide_bus		:1,
-		  diff_bus		:1,
-		  scam_capable		:1,
-		  ultra_scsi		:1,
-		  auto_term		:1,
-		 			:3;
-} esetup_info_data_t;
-
-typedef struct {
-	u_int32_t len;
-	u_int32_t addr;
-} bt_sg_t;
-
-/********************** Mail Box definitions *******************************/
-
-typedef enum {
-	BMBO_FREE		= 0x0,	/* MBO intry is free */
-	BMBO_START		= 0x1,	/* MBO activate entry */
-	BMBO_ABORT		= 0x2	/* MBO abort entry */
-} bt_mbo_action_code_t; 
-
-typedef struct bt_mbox_out {     
-	u_int32_t ccb_addr;
-	u_int8_t  reserved[3];
-	u_int8_t  action_code;
-} bt_mbox_out_t;
-
-typedef enum {
-	BMBI_FREE		= 0x0,	/* MBI entry is free */ 
-	BMBI_OK			= 0x1,	/* completed without error */
-	BMBI_ABORT		= 0x2,	/* aborted ccb */
-	BMBI_NOT_FOUND		= 0x3,	/* Tried to abort invalid CCB */
-	BMBI_ERROR		= 0x4	/* Completed with error */
-} bt_mbi_comp_code_t; 
-
-typedef struct bt_mbox_in {      
-	u_int32_t ccb_addr;    
-	u_int8_t  btstat;
-	u_int8_t  sdstat;
-	u_int8_t  reserved;
-	u_int8_t  comp_code;
-} bt_mbox_in_t;
-
-/***************** Compiled Probe Information *******************************/
-struct bt_probe_info {
-	int	drq;
-	int	irq;
-};
-
-/****************** Hardware CCB definition *********************************/
-typedef enum {
-	INITIATOR_CCB		= 0x00,
-	INITIATOR_SG_CCB	= 0x02,
-	INITIATOR_CCB_WRESID	= 0x03,
-	INITIATOR_SG_CCB_WRESID	= 0x04,
-	INITIATOR_BUS_DEV_RESET = 0x81
-} bt_ccb_opcode_t;
-
-typedef enum {
-	BTSTAT_NOERROR			= 0x00,
-	BTSTAT_LINKED_CMD_COMPLETE	= 0x0A,
-	BTSTAT_LINKED_CMD_FLAG_COMPLETE	= 0x0B,
-	BTSTAT_DATAUNDERUN_ERROR	= 0x0C,
-	BTSTAT_SELTIMEOUT		= 0x11,
-	BTSTAT_DATARUN_ERROR		= 0x12,
-	BTSTAT_UNEXPECTED_BUSFREE	= 0x13,
-	BTSTAT_INVALID_PHASE		= 0x14,
-	BTSTAT_INVALID_ACTION_CODE	= 0x15,
-	BTSTAT_INVALID_OPCODE		= 0x16,
-	BTSTAT_LINKED_CCB_LUN_MISMATCH	= 0x17,
-	BTSTAT_INVALID_CCB_OR_SG_PARAM	= 0x1A,
-	BTSTAT_AUTOSENSE_FAILED		= 0x1B,
-	BTSTAT_TAGGED_MSG_REJECTED	= 0x1C,
-	BTSTAT_UNSUPPORTED_MSG_RECEIVED	= 0x1D,
-	BTSTAT_HARDWARE_FAILURE		= 0x20,
-	BTSTAT_TARGET_IGNORED_ATN	= 0x21,
-	BTSTAT_HA_SCSI_BUS_RESET	= 0x22,
-	BTSTAT_OTHER_SCSI_BUS_RESET	= 0x23,
-	BTSTAT_INVALID_RECONNECT	= 0x24,
-	BTSTAT_HA_BDR			= 0x25,
-	BTSTAT_ABORT_QUEUE_GENERATED	= 0x26,
-	BTSTAT_HA_SOFTWARE_ERROR	= 0x27,
-	BTSTAT_HA_WATCHDOG_ERROR	= 0x28,
-	BTSTAT_SCSI_PERROR_DETECTED	= 0x30
-} btstat_t;
-
-struct bt_hccb {
-	u_int8_t  opcode;
-	u_int8_t			:3,
-		  datain		:1,
-		  dataout		:1,
-		  wide_tag_enable	:1,	/* Wide Lun CCB format */
-		  wide_tag_type		:2;	/* Wide Lun CCB format */
-	u_int8_t  cmd_len;
-	u_int8_t  sense_len;
-	int32_t	  data_len;			/* residuals can be negative */
-	u_int32_t data_addr;
-	u_int8_t  reserved[2];
-	u_int8_t  btstat;
-	u_int8_t  sdstat;
-	u_int8_t  target_id;
-	u_int8_t  target_lun	:5,
-		  tag_enable	:1,
-		  tag_type	:2;
-	u_int8_t  scsi_cdb[12];
-	u_int8_t  reserved2[6];
-	u_int32_t sense_addr;
-};
-
-typedef enum {
-	BCCB_FREE		= 0x0,
-	BCCB_ACTIVE		= 0x1,
-	BCCB_DEVICE_RESET	= 0x2,
-	BCCB_RELEASE_SIMQ	= 0x4
-} bccb_flags_t;
-
-struct bt_ccb {
-	struct	bt_hccb		 hccb;
-	SLIST_ENTRY(bt_ccb)	 links;
-	u_int32_t		 flags;
-	union ccb		*ccb;
-	bus_dmamap_t		 dmamap;
-	struct callout		 timer;
-	bt_sg_t			*sg_list;
-	u_int32_t		 sg_list_phys;
-};
-
-struct sg_map_node {
-	bus_dmamap_t		 sg_dmamap;
-	bus_addr_t		 sg_physaddr;
-	bt_sg_t*		 sg_vaddr;
-	SLIST_ENTRY(sg_map_node) links;
-};
-	
-struct bt_softc {
-	device_t		dev;
-	struct resource		*port;
-	struct resource		*irq;
-	struct resource		*drq;
-	void			*ih;
-	struct mtx		 lock;
-	struct	cam_sim		*sim;
-	struct	cam_path	*path;
-	bt_mbox_out_t		*cur_outbox;
-	bt_mbox_in_t		*cur_inbox;
-	bt_mbox_out_t		*last_outbox;
-	bt_mbox_in_t		*last_inbox;
-	struct	bt_ccb		*bt_ccb_array;
-	SLIST_HEAD(,bt_ccb)	 free_bt_ccbs;
-	LIST_HEAD(,ccb_hdr)	 pending_ccbs;
-	u_int			 active_ccbs;
-	u_int32_t		 bt_ccb_physbase;
-	bt_mbox_in_t		*in_boxes;
-	bt_mbox_out_t		*out_boxes;
-	struct scsi_sense_data	*sense_buffers;
-	u_int32_t		 sense_buffers_physbase;
-	struct	bt_ccb		*recovery_bccb;
-	u_int			 num_boxes;
-	bus_dma_tag_t		 parent_dmat;	/*
-						 * All dmat's derive from
-						 * the dmat defined by our
-						 * bus.
-						 */
-	bus_dma_tag_t		 buffer_dmat;	/* dmat for buffer I/O */
-	bus_dma_tag_t		 mailbox_dmat;	/* dmat for our mailboxes */
-	bus_dmamap_t		 mailbox_dmamap;
-	bus_dma_tag_t		 ccb_dmat;	/* dmat for our ccb array */
-	bus_dmamap_t		 ccb_dmamap;
-	bus_dma_tag_t		 sg_dmat;	/* dmat for our sg segments */
-	bus_dma_tag_t		 sense_dmat;	/* dmat for our sense buffers */
-	bus_dmamap_t		 sense_dmamap;
-	SLIST_HEAD(, sg_map_node) sg_maps;
-	bus_addr_t		 mailbox_physbase;
-	bus_addr_t		 mailbox_addrlimit;
-	u_int			 num_ccbs;	/* Number of CCBs malloc'd */
-	u_int			 max_ccbs;	/* Maximum allocatable CCBs */
-	u_int			 max_sg;
-	u_int			 scsi_id;
-	u_int32_t		 extended_trans	   :1,
-				 wide_bus	   :1,
-				 diff_bus	   :1,
-				 ultra_scsi	   :1,
-				 extended_lun	   :1,
-				 strict_rr	   :1,
-				 tag_capable	   :1,
-				 wide_lun_ccb	   :1,
-				 resource_shortage :1,
-				 level_trigger_ints:1,
-						   :22;
-	u_int16_t		 tags_permitted;
-	u_int16_t		 disc_permitted;
-	u_int16_t		 sync_permitted;
-	u_int16_t		 fast_permitted;
-	u_int16_t		 ultra_permitted;
-	u_int16_t		 wide_permitted;
-	u_int8_t		 init_level;
-	volatile u_int8_t	 command_cmp;
-	volatile u_int8_t	 latched_status;
-	u_int32_t		 bios_addr;
-	char			 firmware_ver[6];
-	char			 model[5];
-};
-
-#define BT_TEMP_UNIT 0xFF		/* Unit for probes */
-void			bt_init_softc(device_t dev,
-				      struct resource *port,
-				      struct resource *irq,
-				      struct resource *drq);
-void			bt_free_softc(device_t dev);
-int			bt_port_probe(device_t dev,
-				      struct bt_probe_info *info);
-int			bt_probe(device_t dev);
-int			bt_fetch_adapter_info(device_t dev);
-int			bt_init(device_t dev); 
-int			bt_attach(device_t dev);
-void			bt_intr(void *arg);
-int			bt_check_probed_iop(u_int ioport);
-void			bt_mark_probed_bio(isa_compat_io_t port);
-void			bt_mark_probed_iop(u_int ioport);
-void			bt_find_probe_range(int ioport,
-					    int *port_index,
-					    int *max_port_index);
-
-int			bt_iop_from_bio(isa_compat_io_t bio_index);
-
-#define DEFAULT_CMD_TIMEOUT 100000	/* 10 sec */
-int			bt_cmd(struct bt_softc *bt, bt_op_t opcode,
-			       u_int8_t *params, u_int param_len,
-			       u_int8_t *reply_data, u_int reply_len,
-			       u_int cmd_timeout);
-
-#define bt_name(bt)	device_get_nameunit(bt->dev)
-
-#define bt_inb(bt, reg)				\
-	bus_read_1((bt)->port, reg)
-
-#define bt_outb(bt, reg, value)			\
-	bus_write_1((bt)->port, reg, value)
-
-#endif	/* _BT_H_ */
diff --git a/sys/kern/Make.tags.inc b/sys/kern/Make.tags.inc
index 450adf334e30..bd963967984f 100644
--- a/sys/kern/Make.tags.inc
+++ b/sys/kern/Make.tags.inc
@@ -12,7 +12,6 @@ SYS?=	${.CURDIR}/..
 
 COMM=	${SYS}/sys/vnode.h \
 	${SYS}/dev/alc/*.[ch] \
-	${SYS}/dev/buslogic/*.[ch] \
 	${SYS}/dev/dpt/*.[ch] \
 	${SYS}/dev/en/*.[ch] \
 	${SYS}/dev/iicbus/*.[ch] \
@@ -67,7 +66,6 @@ COMMDIR1= ${SYS}/conf \
 	${SYS}/sys
 
 COMMDIR2= ${SYS}/dev/alc \
-	${SYS}/dev/buslogic \
 	${SYS}/dev/dpt \
 	${SYS}/dev/en \
 	${SYS}/dev/iicbus \
diff --git a/sys/sparc64/conf/NOTES b/sys/sparc64/conf/NOTES
index 36051c6ebbd8..eea0147dda49 100644
--- a/sys/sparc64/conf/NOTES
+++ b/sys/sparc64/conf/NOTES
@@ -119,7 +119,6 @@ nodevice	snd_via8233
 nodevice	snd_via82c686
 nodevice	snd_vibes
 nodevice	snd_uaudio
-nodevice	bt
 nodevice	ep
 nodevice	ex