Merge bk://linux-scsi.bkbits.net/scsi-for-linus-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

drivers/scsi/53c700.h

@@ -45,25 +45,6 @@
 #error "Config.in must define either CONFIG_53C700_IO_MAPPED or CONFIG_53C700_MEM_MAPPED to use this scsi core."
 #endif
 
-/* macros for consistent memory allocation */
-
-#ifdef CONFIG_53C700_USE_CONSISTENT
-#define NCR_700_dma_cache_wback(mem, size) \
-	if(!hostdata->consistent) \
-		dma_cache_wback(mem, size)
-#define NCR_700_dma_cache_inv(mem, size) \
-	if(!hostdata->consistent) \
-		dma_cache_inv(mem, size)
-#define NCR_700_dma_cache_wback_inv(mem, size) \
-	if(!hostdata->consistent) \
-		dma_cache_wback_inv(mem, size)
-#else
-#define NCR_700_dma_cache_wback(mem, size) dma_cache_wback(mem,size)
-#define NCR_700_dma_cache_inv(mem, size) dma_cache_inv(mem,size)
-#define NCR_700_dma_cache_wback_inv(mem, size) dma_cache_wback_inv(mem,size)
-#endif
-
-
 struct NCR_700_Host_Parameters;
 
 /* These are the externally used routines */
@@ -215,7 +196,7 @@ struct NCR_700_Host_Parameters {
 	/* These must be filled in by the calling driver */
 	int	clock;			/* board clock speed in MHz */
 	unsigned long	base;		/* the base for the port (copied to host) */
-	struct pci_dev	*pci_dev;
+	struct device	*dev;
 	__u32	dmode_extra;	/* adjustable bus settings */
 	__u32	differential:1;	/* if we are differential */
 #ifdef CONFIG_53C700_LE_ON_BE
@@ -229,10 +210,6 @@ struct NCR_700_Host_Parameters {
 	/* NOTHING BELOW HERE NEEDS ALTERING */
 	__u32	fast:1;		/* if we can alter the SCSI bus clock
                                    speed (so can negiotiate sync) */
-#ifdef CONFIG_53C700_USE_CONSISTENT
-	__u32	consistent:1;
-#endif
-
 	int	sync_clock;	/* The speed of the SYNC core */
 
 	__u32	*script;		/* pointer to script location */
@@ -442,7 +419,7 @@ struct NCR_700_Host_Parameters {
 	for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \
 		__u32 val = bS_to_cpu((script)[A_##symbol##_used[i]]) + value; \
 		(script)[A_##symbol##_used[i]] = bS_to_host(val); \
-		dma_cache_wback((unsigned long)&(script)[A_##symbol##_used[i]], 4); \
+		dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \
 		DEBUG((" script, patching %s at %d to 0x%lx\n", \
 		       #symbol, A_##symbol##_used[i], (value))); \
 	} \
@@ -453,7 +430,7 @@ struct NCR_700_Host_Parameters {
 	int i; \
 	for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \
 		(script)[A_##symbol##_used[i]] = bS_to_host(value); \
-		dma_cache_wback((unsigned long)&(script)[A_##symbol##_used[i]], 4); \
+		dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \
 		DEBUG((" script, patching %s at %d to 0x%lx\n", \
 		       #symbol, A_##symbol##_used[i], (value))); \
 	} \
@@ -468,7 +445,7 @@ struct NCR_700_Host_Parameters {
 		val &= 0xff00ffff; \
 		val |= ((value) & 0xff) << 16; \
 		(script)[A_##symbol##_used[i]] = bS_to_host(val); \
-		dma_cache_wback((unsigned long)&(script)[A_##symbol##_used[i]], 4); \
+		dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \
 		DEBUG((" script, patching ID field %s at %d to 0x%x\n", \
 		       #symbol, A_##symbol##_used[i], val)); \
 	} \
@@ -482,7 +459,7 @@ struct NCR_700_Host_Parameters {
 		val &= 0xffff0000; \
 		val |= ((value) & 0xffff); \
 		(script)[A_##symbol##_used[i]] = bS_to_host(val); \
-		dma_cache_wback((unsigned long)&(script)[A_##symbol##_used[i]], 4); \
+		dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \
 		DEBUG((" script, patching short field %s at %d to 0x%x\n", \
 		       #symbol, A_##symbol##_used[i], val)); \
 	} \

drivers/scsi/Kconfig

@@ -277,15 +277,10 @@ config SCSI_AACRAID
 	tristate "Adaptec AACRAID support (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && SCSI && PCI
 
-choice
-	prompt "Adaptec AIC7xxx support"
-	optional
-	depends on SCSI
-
-source "drivers/scsi/aic7xxx/Kconfig"
+source "drivers/scsi/aic7xxx/Kconfig.aic7xxx"
 
 config SCSI_AIC7XXX_OLD
-	tristate "Old driver"
+	tristate "Adaptec AIC7xxx support (old driver)"
 	help
 	  WARNING This driver is an older aic7xxx driver and is no longer
 	  under active development.  Adaptec, Inc. is writing a new driver to
@@ -325,8 +320,7 @@ config SCSI_AIC7XXX_OLD
 	  say M here and read <file:Documentation/modules.txt>.  The module
 	  will be called aic7xxx_old.o.
 
-endchoice
-
+source "drivers/scsi/aic7xxx/Kconfig.aic79xx"
 
 # All the I2O code and drivers do not seem to be 64bit safe.
 config SCSI_DPT_I2O
@@ -900,11 +894,6 @@ config 53C700_LE_ON_BE
 	depends on SCSI_LASI700
 	default y
 
-config 53C700_USE_CONSISTENT
-	bool
-	depends on SCSI_LASI700
-	default y
-
 config SCSI_NCR53C7xx
 	tristate "NCR53c7,8xx SCSI support"
 	depends on SCSI && PCI
@@ -1550,24 +1539,18 @@ config SCSI_NSP32
 	  say M here and read <file:Documentation/modules.txt>.  The module
 	  will be called nsp32.o.
 
-#
-# Note - this is a very special 'host' adapter that simulates the presence of some disks.
-# It can come in very handy for troubleshooting.  Anyone else is welcome to use it - all
-# you do is hack it to simulate the condition you want to test for, and then use it.
-#
-# The actual configuration in any kernel release could change at any time as I hack it to
-# simulate various conditions that I am testing.
-#
 config SCSI_DEBUG
-	tristate "SCSI debugging host simulator (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && SCSI
-	help
-	  This is a host adapter simulator that can be programmed to simulate
-	  a large number of conditions that could occur on a real bus. The
-	  advantage is that many hard to reproduce problems can be tested in a
-	  controlled environment where there is reduced risk of losing
-	  important data. This is primarily of use to people trying to debug
-	  the middle and upper layers of the SCSI subsystem. If unsure, say N.
+	tristate "SCSI debugging host simulator"
+	depends on SCSI
+	help
+	  This is a host adapter simulator that can simulate multiple hosts
+	  each with multiple dummy SCSI devices (disks). It defaults to one
+	  host adapter with one dummy SCSI disk. Each dummy disk uses kernel
+	  RAM as storage (i.e. it is a ramdisk). To save space when multiple
+	  dummy disks are simulated, they share the same kernel RAM for 
+	  their storage. See http://www.torque.net/sg/sdebug.html for more
+	  information. This driver is primarily of use to those testing the
+	  SCSI and block subsystems. If unsure, say N.
 
 config SCSI_MESH
 	tristate "MESH (Power Mac internal SCSI) support"

drivers/scsi/NCR_D700.c

@@ -307,6 +307,7 @@ NCR_D700_probe(struct device *dev)
 			continue;
 		}
 		scsi_set_device(host, dev);
+		hostdata->dev = dev;
 		found++;
 	}
 	info->found += found;

drivers/scsi/aic7xxx/Kconfig

-config SCSI_AIC7XXX
-	tristate "New driver"
-	help
-	  This driver supports all of Adaptec's PCI based SCSI controllers
-	  (not the hardware RAID controllers though) as well as the aic7770
-	  based EISA and VLB SCSI controllers (the 274x and 284x series).
-	  This is an Adaptec sponsored driver written by Justin Gibbs.  It is
-	  intended to replace the previous aic7xxx driver maintained by Doug
-	  Ledford since Doug is no longer maintaining that driver.
-
-
-config AIC7XXX_CMDS_PER_DEVICE
-	int "Maximum number of TCQ commands per device"
-	depends on SCSI_AIC7XXX
-	default "253"
-	---help---
-	  Specify the number of commands you would like to allocate per SCSI
-	  device when Tagged Command Queueing (TCQ) is enabled on that device.
-
-	  This is an upper bound value for the number of tagged transactions
-	  to be used for any device.  The aic7xxx driver will automatically
-	  vary this number based on device behavior.  For devices with a
-	  fixed maximum, the driver will eventually lock to this maximum
-	  and display a console message inidicating this value.
-
-	  Note: Unless you experience some type of device failure, the default
-	  	value, no enforced limit, should work for you.
-
-	  Default: 253
-
-config AIC7XXX_RESET_DELAY_MS
-	int "Initial bus reset delay in milli-seconds"
-	depends on SCSI_AIC7XXX
-	default "15000"
-	help
-	  The number of milliseconds to delay after an initial bus reset.
-	  The bus settle delay following all error recovery actions is
-	  dictated by the SCSI layer and is not affected by this value.
-
-	  Default: 15000 (15 seconds)
-
-config AIC7XXX_BUILD_FIRMWARE
-	bool "Build Adapter Firmware with Kernel Build"
-	depends on SCSI_AIC7XXX
-	help
-	  This option should only be enabled if you are modifying the firmware
-	  source to the aic7xxx driver and wish to have the generated firmware
-	  include files updated during a normal kernel build.  The assembler
-	  for the firmware requires lex and yacc or their equivalents, as well
-	  as the db v1 library.  You may have to install additional packages
-	  or modify the assembler make file or the files it includes if your
-	  build environment is different than that of the author.
-

drivers/scsi/aic7xxx/Kconfig.aic79xx

+#
+# AIC79XX 2.5.X Kernel configuration File.
+# $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Kconfig.aic79xx#2 $
+#
+config SCSI_AIC79XX
+	tristate "Adaptec AIC79xx U320 support"
+	depends on PCI
+	help
+	This driver supports all of Adaptec's Ultra 320 PCI-X
+	based SCSI controllers.
+
+config AIC79XX_CMDS_PER_DEVICE
+	int "Maximum number of TCQ commands per device"
+	depends on SCSI_AIC79XX
+	default "32"
+	---help---
+	Specify the number of commands you would like to allocate per SCSI
+	device when Tagged Command Queueing (TCQ) is enabled on that device.
+
+	This is an upper bound value for the number of tagged transactions
+	to be used for any device.  The aic7xxx driver will automatically
+	vary this number based on device behavior.  For devices with a
+	fixed maximum, the driver will eventually lock to this maximum
+	and display a console message inidicating this value.
+
+	Due to resource allocation issues in the Linux SCSI mid-layer, using
+	a high number of commands per device may result in memory allocation
+	failures when many devices are attached to the system.  For this reason,
+	the default is set to 32.  Higher values may result in higer performance
+	on some devices.  The upper bound is 253.  0 disables tagged queueing.
+
+	Per device tag depth can be controlled via the kernel command line
+	"tag_info" option.  See drivers/scsi/aic7xxx/README.aic79xx
+	for details.
+
+config AIC79XX_RESET_DELAY_MS
+	int "Initial bus reset delay in milli-seconds"
+	depends on SCSI_AIC79XX
+	default "15000"
+	---help---
+	The number of milliseconds to delay after an initial bus reset.
+	The bus settle delay following all error recovery actions is
+	dictated by the SCSI layer and is not affected by this value.
+
+	Default: 15000 (15 seconds)
+
+config AIC79XX_BUILD_FIRMWARE
+	bool "Build Adapter Firmware with Kernel Build"
+	depends on SCSI_AIC79XX
+	help
+	This option should only be enabled if you are modifying the firmware
+	source to the aic79xx driver and wish to have the generated firmware
+	include files updated during a normal kernel build.  The assembler
+	for the firmware requires lex and yacc or their equivalents, as well
+	as the db v1 library.  You may have to install additional packages
+	or modify the assembler Makefile or the files it includes if your
+	build environment is different than that of the author.
+
+config AIC79XX_ENABLE_RD_STRM
+	bool "Enable Read Streaming for All Targets"
+	depends on SCSI_AIC79XX
+	help
+	Read Streaming is a U320 protocol option that should enhance
+	performance.  Early U320 drive firmware actually performs slower
+	with read streaming enabled so it is disabled by default.  Read
+	Streaming can be configured in much the same way as tagged queueing
+	using the "rd_strm" command line option.  See
+	drivers/scsi/aic7xxx/README.aic79xx for details.
+
+config AIC79XX_DEBUG_ENABLE
+	bool "Compile in Debugging Code"
+	depends on SCSI_AIC79XX
+	default y
+	help
+	Compile in aic79xx debugging code that can be useful in diagnosing
+	driver errors.
+
+config AIC79XX_DEBUG_MASK
+        int "Debug code enable mask (16383 for all debugging)"
+        depends on SCSI_AIC79XX
+        default "0"
+        help
+	Bit mask of debug options that is only valid if the
+	CONFIG_AIC79XX_DEBUG_ENBLE option is enabled.  The bits in this mask
+	are defined in the drivers/scsi/aic7xxx/aic79xx.h - search for the
+	variable ahd_debug in that file to find them.
+
+config AIC79XX_REG_PRETTY_PRINT
+        bool "Decode registers during diagnostics"
+        depends on SCSI_AIC79XX
+	default y
+        help
+	Compile in register value tables for the output of expanded register
+	contents in diagnostics.  This make it much easier to understand debug
+	output without having to refer to a data book and/or the aic7xxx.reg
+	file.

drivers/scsi/aic7xxx/Kconfig.aic7xxx

+#
+# AIC7XXX and AIC79XX 2.5.X Kernel configuration File.
+# $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Kconfig.aic7xxx#4 $
+#
+config SCSI_AIC7XXX
+	tristate "Adaptec AIC7xxx Fast -> U160 support (New Driver)"
+	---help---
+	This driver supports all of Adaptec's Fast through Ultra 160 PCI
+	based SCSI controllers as well as the aic7770 based EISA and VLB
+	SCSI controllers (the 274x and 284x series).  For AAA and ARO based
+	configurations, only SCSI functionality is provided.
+
+	If you want to compile the driver as a module ( = code which can be
+	inserted in and removed from the running kernel whenever you want),
+	say M here and read <file:Documentation/modules.txt>.  The module
+	will be called aic7xxx.o.
+
+config AIC7XXX_CMDS_PER_DEVICE
+	int "Maximum number of TCQ commands per device"
+	depends on SCSI_AIC7XXX
+	default "32"
+	---help---
+	Specify the number of commands you would like to allocate per SCSI
+	device when Tagged Command Queueing (TCQ) is enabled on that device.
+
+	This is an upper bound value for the number of tagged transactions
+	to be used for any device.  The aic7xxx driver will automatically
+	vary this number based on device behavior.  For devices with a
+	fixed maximum, the driver will eventually lock to this maximum
+	and display a console message inidicating this value.
+
+	Due to resource allocation issues in the Linux SCSI mid-layer, using
+	a high number of commands per device may result in memory allocation
+	failures when many devices are attached to the system.  For this reason,
+	the default is set to 32.  Higher values may result in higer performance
+	on some devices.  The upper bound is 253.  0 disables tagged queueing.
+
+	Per device tag depth can be controlled via the kernel command line
+	"tag_info" option.  See drivers/scsi/aic7xxx/README.aic7xxx
+	for details.
+
+config AIC7XXX_RESET_DELAY_MS
+	int "Initial bus reset delay in milli-seconds"
+	depends on SCSI_AIC7XXX
+	default "15000"
+	---help---
+	The number of milliseconds to delay after an initial bus reset.
+	The bus settle delay following all error recovery actions is
+	dictated by the SCSI layer and is not affected by this value.
+
+	Default: 15000 (15 seconds)
+
+config AIC7XXX_PROBE_EISA_VL
+	bool "Probe for EISA and VL AIC7XXX Adapters"
+	help
+	Probe for EISA and VLB Aic7xxx controllers.  In many newer systems,
+	the invasive probes necessary to detect these controllers can cause
+	other devices to fail.  For this reason, the non-PCI probe code is
+	disabled by default.  The current value of this option can be "toggled"
+	via the no_probe kernel command line option.
+
+config AIC7XXX_BUILD_FIRMWARE
+	bool "Build Adapter Firmware with Kernel Build"
+	depends on SCSI_AIC7XXX
+	help
+	This option should only be enabled if you are modifying the firmware
+	source to the aic7xxx driver and wish to have the generated firmware
+	include files updated during a normal kernel build.  The assembler
+	for the firmware requires lex and yacc or their equivalents, as well
+	as the db v1 library.  You may have to install additional packages
+	or modify the assembler Makefile or the files it includes if your
+	build environment is different than that of the author.
+
+config AIC7XXX_DEBUG_ENABLE
+	bool "Compile in Debugging Code"
+	depends on SCSI_AIC7XXX
+	default y
+	help
+	Compile in aic7xxx debugging code that can be useful in diagnosing
+	driver errors.
+
+config AIC7XXX_DEBUG_MASK
+        int "Debug code enable mask (2047 for all debugging)"
+        depends on SCSI_AIC7XXX
+        default "0"
+        help
+	Bit mask of debug options that is only valid if the
+	CONFIG_AIC7XXX_DEBUG_ENBLE option is enabled.  The bits in this mask
+	are defined in the drivers/scsi/aic7xxx/aic7xxx.h - search for the
+	variable ahc_debug in that file to find them.
+
+config AIC7XXX_REG_PRETTY_PRINT
+        bool "Decode registers during diagnostics"
+        depends on SCSI_AIC7XXX
+	default y
+        help
+	Compile in register value tables for the output of expanded register
+	contents in diagnostics.  This make it much easier to understand debug
+	output without having to refer to a data book and/or the aic7xxx.reg
+	file.

drivers/scsi/aic7xxx/Makefile

 #
 # Makefile for the Linux aic7xxx SCSI driver.
 #
+# $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Makefile#3 $
+#
+
 # Let kbuild descend into aicasm when cleaning
 subdir-				+= aicasm
 
 obj-$(CONFIG_SCSI_AIC7XXX)	+= aic7xxx.o
+obj-$(CONFIG_SCSI_AIC79XX)	+= aic79xx.o
 
-# Core files
-aic7xxx-objs	+= aic7xxx_core.o aic7xxx_93cx6.o aic7770.o
+# Core Fast -> U160 files
+aic7xxx-y					+= aic7xxx_core.o	\
+						   aic7xxx_93cx6.o	\
+						   aic7770.o
+aic7xxx-$(CONFIG_PCI)				+= aic7xxx_pci.o
+aic7xxx-$(CONFIG_AIC7XXX_REG_PRETTY_PRINT)	+= aic7xxx_reg_print.o
 
-# Platform Specific Files
-aic7xxx-objs	+= aic7xxx_linux.o aic7xxx_proc.o aic7770_linux.o
+# Platform Specific Fast -> U160 Files
+aic7xxx-y					+= aic7xxx_osm.o	\
+						   aic7xxx_proc.o	\
+						   aic7770_osm.o
+aic7xxx-$(CONFIG_PCI)				+= aic7xxx_osm_pci.o
 
-# PCI Specific Files
-ifeq ($(CONFIG_PCI),y)
-  # Core PCI files
-  aic7xxx-objs	+= aic7xxx_pci.o
-  # Platform Specific PCI Files
-  aic7xxx-objs	+= aic7xxx_linux_pci.o
-endif
+# Core U320 files
+aic79xx-y					+= aic79xx_core.o	\
+						   aic79xx_pci.o
+aic79xx-$(CONFIG_AIC79XX_REG_PRETTY_PRINT)	+= aic79xx_reg_print.o
 
+# Platform Specific U320 Files
+aic79xx-y					+= aic79xx_osm.o	\
+						   aic79xx_proc.o	\
+						   aic79xx_osm_pci.o
+
+EXTRA_CFLAGS += -Idrivers/scsi
 #EXTRA_CFLAGS += -g
 
 # Files generated that shall be removed upon make clean
-clean-files := aic7xxx_seq.h aic7xxx_reg.h
+clean-files := aic7xxx_seq.h aic7xxx_reg.h aic7xxx_reg_print.c
+clean-files += aic79xx_seq.h aic79xx_reg.h aic79xx_reg_print.c
 
 # Dependencies for generated files need to be listed explicitly
 
 $(obj)/aic7xxx_core.o: $(obj)/aic7xxx_seq.h
+$(obj)/aic79xx_core.o: $(obj)/aic79xx_seq.h
 
-$(addprefix $(obj)/,$(aic7xxx-objs)): $(obj)/aic7xxx_reg.h
+$(addprefix $(obj)/,$(aic7xxx-y)): $(obj)/aic7xxx_reg.h
+$(addprefix $(obj)/,$(aic79xx-y)): $(obj)/aic79xx_reg.h
 
 ifeq ($(CONFIG_AIC7XXX_BUILD_FIRMWARE),y)
+aic7xxx_gen = $(obj)/aic7xxx_seq.h $(obj)/aic7xxx_reg.h
+ifeq ($(CONFIG_AIC7XXX_REG_PRETTY_PRINT),y)
+aic7xxx_gen += $(obj)/aic7xxx_reg_print.c
+aic7xxx_asm_cmd = $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic7xxx_reg.h \
+		 -p $(obj)/aic7xxx_reg_print.c -i aic7xxx_osm.h	   \
+		 -o $(obj)/aic7xxx_seq.h $(src)/aic7xxx.seq
+else
+aic7xxx_asm_cmd = $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic7xxx_reg.h \
+		 -o $(obj)/aic7xxx_seq.h $(src)/aic7xxx.seq
+endif
 
-$(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg \
-		      $(obj)/aicasm/aicasm
-	$(obj)/aicasm/aicasm -I$(obj) -r $(obj)/aic7xxx_reg.h \
-				 -o $(obj)/aic7xxx_seq.h $(src)/aic7xxx.seq
+$(aic7xxx_gen): $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm
+	$(aic7xxx_asm_cmd)
+endif
 
-$(obj)/aic7xxx_reg.h: $(obj)/aic7xxx_seq.h
+ifeq ($(CONFIG_AIC79XX_BUILD_FIRMWARE),y)
+aic79xx_gen = $(obj)/aic79xx_seq.h $(obj)/aic79xx_reg.h
+ifeq ($(CONFIG_AIC79XX_REG_PRETTY_PRINT),y)
+aic79xx_gen += $(obj)/aic79xx_reg_print.c
+aic79xx_asm_cmd = $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic79xx_reg.h \
+		 -p $(obj)/aic79xx_reg_print.c -i aic79xx_osm.h	   \
+		 -o $(obj)/aic79xx_seq.h $(src)/aic79xx.seq
+else
+aic79xx_asm_cmd = $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic79xx_reg.h \
+		 -o $(obj)/aic79xx_seq.h $(src)/aic79xx.seq
+endif
+$(aic79xx_gen): $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm
+	$(aic79xx_asm_cmd)
+endif 
 
 $(obj)/aicasm/aicasm: $(src)/aicasm/*.[chyl]
 	$(MAKE) -C $(src)/aicasm
-
-endif
-

drivers/scsi/aic7xxx/aic7770.c

@@ -37,22 +37,29 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#14 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#27 $
  *
- * $FreeBSD: src/sys/dev/aic7xxx/aic7770.c,v 1.1 2000/09/16 20:02:27 gibbs Exp $
+ * $FreeBSD$
  */
 
+#ifdef __linux__
 #include "aic7xxx_osm.h"
 #include "aic7xxx_inline.h"
 #include "aic7xxx_93cx6.h"
+#else
+#include <dev/aic7xxx/aic7xxx_osm.h>
+#include <dev/aic7xxx/aic7xxx_inline.h>
+#include <dev/aic7xxx/aic7xxx_93cx6.h>
+#endif
 
 #define ID_AIC7770	0x04907770
 #define ID_AHA_274x	0x04907771
 #define ID_AHA_284xB	0x04907756 /* BIOS enabled */
 #define ID_AHA_284x	0x04907757 /* BIOS disabled*/
-#define ID_AIC_7782	0x04907782
+#define	ID_OLV_274x	0x04907782 /* Olivetti OEM */
+#define	ID_OLV_274xD	0x04907783 /* Olivetti OEM (Differential) */
 
-static void aha2840_load_seeprom(struct ahc_softc *ahc);
+static int aha2840_load_seeprom(struct ahc_softc *ahc);
 static ahc_device_setup_t ahc_aic7770_VL_setup;
 static ahc_device_setup_t ahc_aic7770_EISA_setup;;
 static ahc_device_setup_t ahc_aic7770_setup;
@@ -72,18 +79,23 @@ struct aic7770_identity aic7770_ident_table [] =
 		"Adaptec 284X SCSI adapter",
 		ahc_aic7770_VL_setup
 	},
-	/* Generic chip probes for devices we don't know 'exactly' */
 	{
-		ID_AIC7770,
+		ID_OLV_274x,
 		0xFFFFFFFF,
-		"Adaptec aic7770 SCSI adapter",
+		"Adaptec (Olivetti OEM) 274X SCSI adapter",
 		ahc_aic7770_EISA_setup
 	},
 	{
-		/* (Olivetti 2 channel EISA) */
-		ID_AIC_7782,
+		ID_OLV_274xD,
 		0xFFFFFFFF,
-		"Adaptec aic7782 SCSI adapter",
+		"Adaptec (Olivetti OEM) 274X Differential SCSI adapter",
+		ahc_aic7770_EISA_setup
+	},
+	/* Generic chip probes for devices we don't know 'exactly' */
+	{
+		ID_AIC7770,
+		0xFFFFFFFF,
+		"Adaptec aic7770 SCSI adapter",
 		ahc_aic7770_EISA_setup
 	}
 };
@@ -104,21 +116,32 @@ aic7770_find_device(uint32_t id)
 }
 
 int
-aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry)
+aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
 {
+	u_long	l;
 	int	error;
+	int	have_seeprom;
 	u_int	hostconf;
 	u_int   irq;
 	u_int	intdef;
 
 	error = entry->setup(ahc);
+	have_seeprom = 0;
 	if (error != 0)
 		return (error);
 
-	error = aic7770_map_registers(ahc);
+	error = aic7770_map_registers(ahc, io);
 	if (error != 0)
 		return (error);
 
+	/*
+	 * Before we continue probing the card, ensure that
+	 * its interrupts are *disabled*.  We don't want
+	 * a misstep to hang the machine in an interrupt
+	 * storm.
+	 */
+	ahc_intr_enable(ahc, FALSE);
+
 	ahc->description = entry->name;
 	error = ahc_softc_init(ahc);
 
@@ -176,21 +199,22 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry)
 					ahc->flags |= AHC_TERM_ENB_B;
 			}
 		}
-		/*
-		 * We have no way to tell, so assume extended
-		 * translation is enabled.
-		 */
-		ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
+		if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
+			ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
 		break;
 	}
 	case AHC_VL:
 	{
-		aha2840_load_seeprom(ahc);
+		have_seeprom = aha2840_load_seeprom(ahc);
 		break;
 	}
 	default:
 		break;
 	}
+	if (have_seeprom == 0) {
+		free(ahc->seep_config, M_DEVBUF);
+		ahc->seep_config = NULL;
+	}
 
 	/*
 	 * Ensure autoflush is enabled
@@ -209,24 +233,22 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry)
 	if (error != 0)
 		return (error);
 
+	error = aic7770_map_int(ahc, irq);
+	if (error != 0)
+		return (error);
+
+	ahc_list_lock(&l);
 	/*
 	 * Link this softc in with all other ahc instances.
 	 */
 	ahc_softc_insert(ahc);
 
-	error = aic7770_map_int(ahc, irq);
-	if (error != 0)
-		return (error);
-
 	/*
 	 * Enable the board's BUS drivers
 	 */
 	ahc_outb(ahc, BCTL, ENABLE);
 
-	/*
-	 * Allow interrupts.
-	 */
-	ahc_intr_enable(ahc, TRUE);
+	ahc_list_unlock(&l);
 
 	return (0);
 }
@@ -234,14 +256,13 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry)
 /*
  * Read the 284x SEEPROM.
  */
-static void
+static int
 aha2840_load_seeprom(struct ahc_softc *ahc)
 {
-	struct	  seeprom_descriptor sd;
-	struct	  seeprom_config sc;
-	uint16_t  checksum = 0;
-	uint8_t   scsi_conf;
-	int	  have_seeprom;
+	struct	seeprom_descriptor sd;
+	struct	seeprom_config *sc;
+	int	have_seeprom;
+	uint8_t scsi_conf;
 
 	sd.sd_ahc = ahc;
 	sd.sd_control_offset = SEECTL_2840;
@@ -254,23 +275,16 @@ aha2840_load_seeprom(struct ahc_softc *ahc)
 	sd.sd_CK = CK_2840;
 	sd.sd_DO = DO_2840;
 	sd.sd_DI = DI_2840;
+	sc = ahc->seep_config;
 
 	if (bootverbose)
 		printf("%s: Reading SEEPROM...", ahc_name(ahc));
-	have_seeprom = read_seeprom(&sd,
-				    (uint16_t *)&sc,
-				    /*start_addr*/0,
-				    sizeof(sc)/2);
+	have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc,
+					/*start_addr*/0, sizeof(sc)/2);
 
 	if (have_seeprom) {
-		/* Check checksum */
-		int i;
-		int maxaddr = (sizeof(sc)/2) - 1;
-		uint16_t *scarray = (uint16_t *)&sc;
-
-		for (i = 0; i < maxaddr; i++)
-			checksum = checksum + scarray[i];
-		if (checksum != sc.checksum) {
+
+		if (ahc_verify_cksum(sc) == 0) {
 			if(bootverbose)
 				printf ("checksum error\n");
 			have_seeprom = 0;
@@ -288,41 +302,44 @@ aha2840_load_seeprom(struct ahc_softc *ahc)
 		 * Put the data we've collected down into SRAM
 		 * where ahc_init will find it.
 		 */
-		int i;
-		int max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8;
+		int	 i;
+		int	 max_targ;
 		uint16_t discenable;
 
+		max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8;
 		discenable = 0;
 		for (i = 0; i < max_targ; i++){
-	                uint8_t target_settings;
-			target_settings = (sc.device_flags[i] & CFXFER) << 4;
-			if (sc.device_flags[i] & CFSYNCH)
+			uint8_t target_settings;
+
+			target_settings = (sc->device_flags[i] & CFXFER) << 4;
+			if (sc->device_flags[i] & CFSYNCH)
 				target_settings |= SOFS;
-			if (sc.device_flags[i] & CFWIDEB)
+			if (sc->device_flags[i] & CFWIDEB)
 				target_settings |= WIDEXFER;
-			if (sc.device_flags[i] & CFDISC)
+			if (sc->device_flags[i] & CFDISC)
 				discenable |= (0x01 << i);
 			ahc_outb(ahc, TARG_SCSIRATE + i, target_settings);
 		}
 		ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));
 		ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));
 
-		ahc->our_id = sc.brtime_id & CFSCSIID;
+		ahc->our_id = sc->brtime_id & CFSCSIID;
 
 		scsi_conf = (ahc->our_id & 0x7);
-		if (sc.adapter_control & CFSPARITY)
+		if (sc->adapter_control & CFSPARITY)
 			scsi_conf |= ENSPCHK;
-		if (sc.adapter_control & CFRESETB)
+		if (sc->adapter_control & CFRESETB)
 			scsi_conf |= RESET_SCSI;
 
-		if (sc.bios_control & CF284XEXTEND)		
+		if (sc->bios_control & CF284XEXTEND)		
 			ahc->flags |= AHC_EXTENDED_TRANS_A;
 		/* Set SCSICONF info */
 		ahc_outb(ahc, SCSICONF, scsi_conf);
 
-		if (sc.adapter_control & CF284XSTERM)
+		if (sc->adapter_control & CF284XSTERM)
 			ahc->flags |= AHC_TERM_ENB_A;
 	}
+	return (have_seeprom);
 }
 
 static int

drivers/scsi/aic7xxx/aic7770_linux.c → drivers/scsi/aic7xxx/aic7770_osm.c

@@ -36,7 +36,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_linux.c#9 $
+ * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_osm.c#11 $
  */
 
 #include "aic7xxx_osm.h"
@@ -55,9 +55,6 @@ aic7770_linux_probe(Scsi_Host_Template *template)
 	int eisaBase;
 	int found;
 
-	if (aic7xxx_no_probe)
-		return (0);
-
 	eisaBase = 0x1000 + AHC_EISA_SLOT_OFFSET;
 	found = 0;
 	for (slot = 1; slot < NUMSLOTS; eisaBase+=0x1000, slot++) {
@@ -103,10 +100,9 @@ aic7770_linux_probe(Scsi_Host_Template *template)
 				 */
 				break;
 			}
-			ahc->tag = BUS_SPACE_PIO;
-			ahc->bsh.ioport = eisaBase;
-			error = aic7770_config(ahc, entry);
+			error = aic7770_config(ahc, entry, eisaBase);
 			if (error != 0) {
+				ahc->bsh.ioport = 0;
 				ahc_free(ahc);
 				continue;
 			}
@@ -120,18 +116,19 @@ aic7770_linux_probe(Scsi_Host_Template *template)
 }
 
 int
-aic7770_map_registers(struct ahc_softc *ahc)
+aic7770_map_registers(struct ahc_softc *ahc, u_int port)
 {
 	/*
 	 * Lock out other contenders for our i/o space.
 	 */
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
-	request_region(ahc->bsh.ioport, AHC_EISA_IOSIZE, "aic7xxx");
+	request_region(port, AHC_EISA_IOSIZE, "aic7xxx");
 #else
-	if (request_region(ahc->bsh.ioport, AHC_EISA_IOSIZE, "aic7xxx") == 0)
+	if (request_region(port, AHC_EISA_IOSIZE, "aic7xxx") == 0)
 		return (ENOMEM);
 #endif
-
+	ahc->tag = BUS_SPACE_PIO;
+	ahc->bsh.ioport = port;
 	return (0);
 }
 
@@ -145,9 +142,9 @@ aic7770_map_int(struct ahc_softc *ahc, u_int irq)
 	if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0)
 		shared = SA_SHIRQ;
 
-	ahc->platform_data->irq = irq;
-	error = request_irq(ahc->platform_data->irq, ahc_linux_isr,
-			    shared, "aic7xxx", ahc);
+	error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc);
+	if (error == 0)
+		ahc->platform_data->irq = irq;
 	
 	return (-error);
 }

drivers/scsi/aic7xxx/aic79xx_proc.c

+/*
+ * Copyright (c) 2000-2001 Adaptec Inc.
+ * 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.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ *
+ * String handling code courtesy of Gerard Roudier's <groudier@club-internet.fr>
+ * sym driver.
+ *
+ * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_proc.c#11 $
+ */
+#include "aic79xx_osm.h"
+#include "aic79xx_inline.h"
+
+static void	copy_mem_info(struct info_str *info, char *data, int len);
+static int	copy_info(struct info_str *info, char *fmt, ...);
+static void	ahd_dump_target_state(struct ahd_softc *ahd,
+				      struct info_str *info,
+				      u_int our_id, char channel,
+				      u_int target_id, u_int target_offset);
+static void	ahd_dump_device_state(struct info_str *info,
+				      struct ahd_linux_device *dev);
+static int	ahd_proc_write_seeprom(struct ahd_softc *ahd,
+				       char *buffer, int length);
+
+static void
+copy_mem_info(struct info_str *info, char *data, int len)
+{
+	if (info->pos + len > info->offset + info->length)
+		len = info->offset + info->length - info->pos;
+
+	if (info->pos + len < info->offset) {
+		info->pos += len;
+		return;
+	}
+
+	if (info->pos < info->offset) {
+		off_t partial;
+
+		partial = info->offset - info->pos;
+		data += partial;
+		info->pos += partial;
+		len  -= partial;
+	}
+
+	if (len > 0) {
+		memcpy(info->buffer, data, len);
+		info->pos += len;
+		info->buffer += len;
+	}
+}
+
+static int
+copy_info(struct info_str *info, char *fmt, ...)
+{
+	va_list args;
+	char buf[256];
+	int len;
+
+	va_start(args, fmt);
+	len = vsprintf(buf, fmt, args);
+	va_end(args);
+
+	copy_mem_info(info, buf, len);
+	return (len);
+}
+
+void
+ahd_format_transinfo(struct info_str *info, struct ahd_transinfo *tinfo)
+{
+	u_int speed;
+	u_int freq;
+	u_int mb;
+
+	if (tinfo->period == AHD_PERIOD_UNKNOWN) {
+		copy_info(info, "Renegotiation Pending\n");
+		return;
+	}
+        speed = 3300;
+        freq = 0;
+	if (tinfo->offset != 0) {
+		freq = aic_calc_syncsrate(tinfo->period);
+		speed = freq;
+	}
+	speed *= (0x01 << tinfo->width);
+        mb = speed / 1000;
+        if (mb > 0)
+		copy_info(info, "%d.%03dMB/s transfers", mb, speed % 1000);
+        else
+		copy_info(info, "%dKB/s transfers", speed);
+
+	if (freq != 0) {
+		int	printed_options;
+
+		printed_options = 0;
+		copy_info(info, " (%d.%03dMHz", freq / 1000, freq % 1000);
+		if ((tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
+			copy_info(info, " DT");
+			printed_options++;
+		}
+		if ((tinfo->ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
+			copy_info(info, "%s", printed_options ? "|IU" : " IU");
+			printed_options++;
+		}
+		if ((tinfo->ppr_options & MSG_EXT_PPR_RTI) != 0) {
+			copy_info(info, "%s",
+				  printed_options ? "|RTI" : " RTI");
+			printed_options++;
+		}
+		if ((tinfo->ppr_options & MSG_EXT_PPR_QAS_REQ) != 0) {
+			copy_info(info, "%s",
+				  printed_options ? "|QAS" : " QAS");
+			printed_options++;
+		}
+	}
+
+	if (tinfo->width > 0) {
+		if (freq != 0) {
+			copy_info(info, ", ");
+		} else {
+			copy_info(info, " (");
+		}
+		copy_info(info, "%dbit)", 8 * (0x01 << tinfo->width));
+	} else if (freq != 0) {
+		copy_info(info, ")");
+	}
+	copy_info(info, "\n");
+}
+
+static void
+ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
+		      u_int our_id, char channel, u_int target_id,
+		      u_int target_offset)
+{
+	struct	ahd_linux_target *targ;
+	struct	ahd_initiator_tinfo *tinfo;
+	struct	ahd_tmode_tstate *tstate;
+	int	lun;
+
+	tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
+				    target_id, &tstate);
+	copy_info(info, "Channel %c Target %d Negotiation Settings\n",
+		  channel, target_id);
+	copy_info(info, "\tUser: ");
+	ahd_format_transinfo(info, &tinfo->user);
+	targ = ahd->platform_data->targets[target_offset];
+	if (targ == NULL)
+		return;
+
+	copy_info(info, "\tGoal: ");
+	ahd_format_transinfo(info, &tinfo->goal);
+	copy_info(info, "\tCurr: ");
+	ahd_format_transinfo(info, &tinfo->curr);
+	copy_info(info, "\tTransmission Errors %ld\n", targ->errors_detected);
+
+	for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
+		struct ahd_linux_device *dev;
+
+		dev = targ->devices[lun];
+
+		if (dev == NULL)
+			continue;
+
+		ahd_dump_device_state(info, dev);
+	}
+}
+
+static void
+ahd_dump_device_state(struct info_str *info, struct ahd_linux_device *dev)
+{
+	copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
+		  dev->target->channel + 'A', dev->target->target, dev->lun);
+
+	copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
+	copy_info(info, "\t\tCommands Active %d\n", dev->active);
+	copy_info(info, "\t\tCommand Openings %d\n", dev->openings);
+	copy_info(info, "\t\tMax Tagged Openings %d\n", dev->maxtags);
+	copy_info(info, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
+}
+
+static int
+ahd_proc_write_seeprom(struct ahd_softc *ahd, char *buffer, int length)
+{
+	ahd_mode_state saved_modes;
+	int have_seeprom;
+	u_long s;
+	int paused;
+	int written;
+
+	/* Default to failure. */
+	written = -EINVAL;
+	ahd_lock(ahd, &s);
+	paused = ahd_is_paused(ahd);
+	if (!paused)
+		ahd_pause(ahd);
+
+	saved_modes = ahd_save_modes(ahd);
+	ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
+	if (length != sizeof(struct seeprom_config)) {
+		printf("ahd_proc_write_seeprom: incorrect buffer size\n");
+		goto done;
+	}
+
+	have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
+	if (have_seeprom == 0) {
+		printf("ahd_proc_write_seeprom: cksum verification failed\n");
+		goto done;
+	}
+
+	have_seeprom = ahd_acquire_seeprom(ahd);
+	if (!have_seeprom) {
+		printf("ahd_proc_write_seeprom: No Serial EEPROM\n");
+		goto done;
+	} else {
+		u_int start_addr;
+
+		if (ahd->seep_config == NULL) {
+			ahd->seep_config = malloc(sizeof(*ahd->seep_config),
+						  M_DEVBUF, M_NOWAIT);
+			if (ahd->seep_config == NULL) {
+				printf("aic79xx: Unable to allocate serial "
+				       "eeprom buffer.  Write failing\n");
+				goto done;
+			}
+		}
+		printf("aic79xx: Writing Serial EEPROM\n");
+		start_addr = 32 * (ahd->channel - 'A');
+		ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
+				  sizeof(struct seeprom_config)/2);
+		ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
+				 start_addr, sizeof(struct seeprom_config)/2);
+		ahd_release_seeprom(ahd);
+		written = length;
+	}
+
+done:
+	ahd_restore_modes(ahd, saved_modes);
+	if (!paused)
+		ahd_unpause(ahd);
+	ahd_unlock(ahd, &s);
+	return (written);
+}
+/*
+ * Return information to handle /proc support for the driver.
+ */
+int
+ahd_linux_proc_info(char *buffer, char **start, off_t offset,
+		  int length, int hostno, int inout)
+{
+	struct	ahd_softc *ahd;
+	struct	info_str info;
+	char	ahd_info[256];
+	u_long	l;
+	u_int	max_targ;
+	u_int	i;
+	int	retval;
+
+	retval = -EINVAL;
+	ahd_list_lock(&l);
+	TAILQ_FOREACH(ahd, &ahd_tailq, links) {
+		if (ahd->platform_data->host->host_no == hostno)
+			break;
+	}
+
+	if (ahd == NULL)
+		goto done;
+
+	 /* Has data been written to the file? */ 
+	if (inout == TRUE) {
+		retval = ahd_proc_write_seeprom(ahd, buffer, length);
+		goto done;
+	}
+
+	if (start)
+		*start = buffer;
+
+	info.buffer	= buffer;
+	info.length	= length;
+	info.offset	= offset;
+	info.pos	= 0;
+
+	copy_info(&info, "Adaptec AIC79xx driver version: %s\n",
+		  AIC79XX_DRIVER_VERSION);
+	ahd_controller_info(ahd, ahd_info);
+	copy_info(&info, "%s\n\n", ahd_info);
+
+	if (ahd->seep_config == NULL)
+		copy_info(&info, "No Serial EEPROM\n");
+	else {
+		copy_info(&info, "Serial EEPROM:\n");
+		for (i = 0; i < sizeof(*ahd->seep_config)/2; i++) {
+			if (((i % 8) == 0) && (i != 0)) {
+				copy_info(&info, "\n");
+			}
+			copy_info(&info, "0x%.4x ",
+				  ((uint16_t*)ahd->seep_config)[i]);
+		}
+		copy_info(&info, "\n");
+	}
+	copy_info(&info, "\n");
+
+	max_targ = 15;
+	if ((ahd->features & AHD_WIDE) == 0)
+		max_targ = 7;
+
+	for (i = 0; i <= max_targ; i++) {
+
+		ahd_dump_target_state(ahd, &info, ahd->our_id, 'A',
+				      /*target_id*/i, /*target_offset*/i);
+	}
+	retval = info.pos > info.offset ? info.pos - info.offset : 0;
+done:
+	ahd_list_unlock(&l);
+	return (retval);
+}