Merge http://linux-scsi.bkbits.net/scsi-aic7xxx-2.5

into raven.il.steeleye.com:/home/jejb/BK/scsi-for-linus-2.5

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

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/aic7xxx.h

@@ -37,9 +37,9 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#34 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#66 $
  *
- * $FreeBSD: src/sys/dev/aic7xxx/aic7xxx.h,v 1.30 2000/11/10 20:13:40 gibbs Exp $
+ * $FreeBSD$
  */
 
 #ifndef _AIC7XXX_H_
@@ -51,6 +51,7 @@
 /************************* Forward Declarations *******************************/
 struct ahc_platform_data;
 struct scb_platform_data;
+struct seeprom_descriptor;
 
 /****************************** Useful Macros *********************************/
 #ifndef MAX
@@ -97,6 +98,14 @@ struct scb_platform_data;
 	(SCB_GET_TARGET(ahc, scb) + (SCB_IS_SCSIBUS_B(ahc, scb) ? 8 : 0))
 #define SCB_GET_TARGET_MASK(ahc, scb) \
 	(0x01 << (SCB_GET_TARGET_OFFSET(ahc, scb)))
+#ifdef AHC_DEBUG
+#define SCB_IS_SILENT(scb)					\
+	((ahc_debug & AHC_SHOW_MASKED_ERRORS) == 0		\
+      && (((scb)->flags & SCB_SILENT) != 0))
+#else
+#define SCB_IS_SILENT(scb)					\
+	(((scb)->flags & SCB_SILENT) != 0)
+#endif
 #define TCL_TARGET_OFFSET(tcl) \
 	((((tcl) >> 4) & TID) >> 4)
 #define TCL_LUN(tcl) \
@@ -170,7 +179,7 @@ struct scb_platform_data;
 #define AHC_TMODE_CMDS	256
 
 /* Reset line assertion time in us */
-#define AHC_BUSRESET_DELAY	250
+#define AHC_BUSRESET_DELAY	25
 
 /******************* Chip Characteristics/Operating Settings  *****************/
 /*
@@ -350,9 +359,11 @@ typedef enum {
 					   */
 	AHC_BIOS_ENABLED      = 0x80000,
 	AHC_ALL_INTERRUPTS    = 0x100000,
-	AHC_PAGESCBS	      = 0x400000, /* Enable SCB paging */
-	AHC_EDGE_INTERRUPT    = 0x800000, /* Device uses edge triggered ints */
-	AHC_39BIT_ADDRESSING  = 0x1000000 /* Use 39 bit addressing scheme. */
+	AHC_PAGESCBS	      = 0x400000,  /* Enable SCB paging */
+	AHC_EDGE_INTERRUPT    = 0x800000,  /* Device uses edge triggered ints */
+	AHC_39BIT_ADDRESSING  = 0x1000000, /* Use 39 bit addressing scheme. */
+	AHC_LSCBS_ENABLED     = 0x2000000, /* 64Byte SCBs enabled */
+	AHC_SCB_CONFIG_USED   = 0x4000000  /* No SEEPROM but SCB2 had info. */
 } ahc_flag;
 
 /************************* Hardware  SCB Definition ***************************/
@@ -531,10 +542,27 @@ typedef enum {
 	SCB_RECOVERY_SCB	= 0x0020,
 	SCB_AUTO_NEGOTIATE	= 0x0040,/* Negotiate to achieve goal. */
 	SCB_NEGOTIATE		= 0x0080,/* Negotiation forced for command. */
-	SCB_ABORT		= 0x1000,
-	SCB_UNTAGGEDQ		= 0x2000,
-	SCB_ACTIVE		= 0x4000,
-	SCB_TARGET_IMMEDIATE	= 0x8000
+	SCB_ABORT		= 0x0100,
+	SCB_UNTAGGEDQ		= 0x0200,
+	SCB_ACTIVE		= 0x0400,
+	SCB_TARGET_IMMEDIATE	= 0x0800,
+	SCB_TRANSMISSION_ERROR	= 0x1000,/*
+					  * We detected a parity or CRC
+					  * error that has effected the
+					  * payload of the command.  This
+					  * flag is checked when normal
+					  * status is returned to catch
+					  * the case of a target not
+					  * responding to our attempt
+					  * to report the error.
+					  */
+	SCB_TARGET_SCB		= 0x2000,
+	SCB_SILENT		= 0x4000 /*
+					  * Be quiet about transmission type
+					  * errors.  They are expected and we
+					  * don't want to upset the user.  This
+					  * flag is typically used during DV.
+					  */
 } scb_flag;
 
 struct scb {
@@ -659,6 +687,11 @@ struct ahc_tmode_lstate;
 #define AHC_TRANS_GOAL		0x04	/* Modify negotiation goal */
 #define AHC_TRANS_USER		0x08	/* Modify user negotiation settings */
 
+#define AHC_WIDTH_UNKNOWN	0xFF
+#define AHC_PERIOD_UNKNOWN	0xFF
+#define AHC_OFFSET_UNKNOWN	0x0
+#define AHC_PPR_OPTS_UNKNOWN	0xFF
+
 /*
  * Transfer Negotiation Information.
  */
@@ -713,10 +746,9 @@ struct ahc_syncrate {
 	char *rate;
 };
 
-/*
- * The synchronouse transfer rate table.
- */
-extern struct ahc_syncrate ahc_syncrates[];
+/* Safe and valid period for async negotiations. */
+#define	AHC_ASYNC_XFER_PERIOD 0x45
+#define	AHC_ULTRA2_XFER_PERIOD 0x0a
 
 /*
  * Indexes into our table of syncronous transfer rates.
@@ -725,6 +757,7 @@ extern struct ahc_syncrate ahc_syncrates[];
 #define AHC_SYNCRATE_ULTRA2	1
 #define AHC_SYNCRATE_ULTRA	3
 #define AHC_SYNCRATE_FAST	6
+#define AHC_SYNCRATE_MAX	AHC_SYNCRATE_DT
 
 /***************************** Lookup Tables **********************************/
 /*
@@ -799,7 +832,7 @@ struct seeprom_config {
 #define		CFSEAUTOTERM	0x0400	/* Ultra2 Perform secondary Auto Term*/
 #define		CFSELOWTERM	0x0800	/* Ultra2 secondary low term */
 #define		CFSEHIGHTERM	0x1000	/* Ultra2 secondary high term */
-#define		CFDOMAINVAL	0x4000	/* Perform Domain Validation*/
+#define		CFENABLEDV	0x4000	/* Perform Domain Validation*/
 
 /*
  * Bus Release Time, Host Adapter ID
@@ -866,6 +899,7 @@ struct ahc_suspend_state {
 };
 
 typedef void (*ahc_bus_intr_t)(struct ahc_softc *);
+typedef void ahc_callback_t (void *);
 
 struct ahc_softc {
 	bus_space_tag_t           tag;
@@ -941,6 +975,7 @@ struct ahc_softc {
 	ahc_feature		  features;
 	ahc_bug			  bugs;
 	ahc_flag		  flags;
+	struct seeprom_config	 *seep_config;
 
 	/* Values to store in the SEQCTL register for pause and unpause */
 	uint8_t			  unpause;
@@ -1017,6 +1052,9 @@ struct ahc_softc {
 	/* PCI cacheline size. */
 	u_int			  pci_cachesize;
 
+	u_int			  stack_size;
+	uint16_t		 *saved_stack;
+
 	/* Per-Unit descriptive information */
 	const char		 *description;
 	char			 *name;
@@ -1089,11 +1127,13 @@ void			ahc_busy_tcl(struct ahc_softc *ahc,
 struct ahc_pci_identity	*ahc_find_pci_device(ahc_dev_softc_t);
 int			 ahc_pci_config(struct ahc_softc *,
 					struct ahc_pci_identity *);
+int			 ahc_pci_test_register_access(struct ahc_softc *);
 
 /*************************** EISA/VL Front End ********************************/
 struct aic7770_identity *aic7770_find_device(uint32_t);
 int			 aic7770_config(struct ahc_softc *ahc,
-					struct aic7770_identity *);
+					struct aic7770_identity *,
+					u_int port);
 
 /************************** SCB and SCB queue management **********************/
 int		ahc_probe_scbs(struct ahc_softc *);
@@ -1116,6 +1156,7 @@ void			 ahc_pause_and_flushwork(struct ahc_softc *ahc);
 int			 ahc_suspend(struct ahc_softc *ahc); 
 int			 ahc_resume(struct ahc_softc *ahc);
 void			 ahc_softc_insert(struct ahc_softc *);
+struct ahc_softc	*ahc_find_softc(struct ahc_softc *ahc);
 void			 ahc_set_unit(struct ahc_softc *, int);
 void			 ahc_set_name(struct ahc_softc *, char *);
 void			 ahc_alloc_scbs(struct ahc_softc *ahc);
@@ -1146,6 +1187,11 @@ int			ahc_search_qinfifo(struct ahc_softc *ahc, int target,
 					   char channel, int lun, u_int tag,
 					   role_t role, uint32_t status,
 					   ahc_search_action action);
+int			ahc_search_untagged_queues(struct ahc_softc *ahc,
+						   ahc_io_ctx_t ctx,
+						   int target, char channel,
+						   int lun, uint32_t status,
+						   ahc_search_action action);
 int			ahc_search_disc_list(struct ahc_softc *ahc, int target,
 					     char channel, int lun, u_int tag,
 					     int stop_on_first, int remove,
@@ -1157,7 +1203,8 @@ int			ahc_abort_scbs(struct ahc_softc *ahc, int target,
 				       char channel, int lun, u_int tag,
 				       role_t role, uint32_t status);
 void			ahc_restart(struct ahc_softc *ahc);
-void			ahc_calc_residual(struct scb *scb);
+void			ahc_calc_residual(struct ahc_softc *ahc,
+					  struct scb *scb);
 /*************************** Utility Functions ********************************/
 struct ahc_phase_table_entry*
 			ahc_lookup_phase_entry(int phase);
@@ -1179,11 +1226,20 @@ void			ahc_validate_width(struct ahc_softc *ahc,
 					   struct ahc_initiator_tinfo *tinfo,
 					   u_int *bus_width,
 					   role_t role);
+/*
+ * Negotiation types.  These are used to qualify if we should renegotiate
+ * even if our goal and current transport parameters are identical.
+ */
+typedef enum {
+	AHC_NEG_TO_GOAL,	/* Renegotiate only if goal and curr differ. */
+	AHC_NEG_IF_NON_ASYNC,	/* Renegotiate so long as goal is non-async. */
+	AHC_NEG_ALWAYS		/* Renegotiat even if goal is async. */
+} ahc_neg_type;
 int			ahc_update_neg_request(struct ahc_softc*,
 					       struct ahc_devinfo*,
 					       struct ahc_tmode_tstate*,
 					       struct ahc_initiator_tinfo*,
-					       int /*force*/);
+					       ahc_neg_type);
 void			ahc_set_width(struct ahc_softc *ahc,
 				      struct ahc_devinfo *devinfo,
 				      u_int width, u_int type, int paused);
@@ -1219,6 +1275,35 @@ cam_status	ahc_find_tmode_devs(struct ahc_softc *ahc,
 #endif
 #endif
 /******************************* Debug ***************************************/
+#ifdef AHC_DEBUG
+extern uint32_t ahc_debug;
+#define	AHC_SHOW_MISC		0x0001
+#define	AHC_SHOW_SENSE		0x0002
+#define AHC_DUMP_SEEPROM	0x0004
+#define AHC_SHOW_TERMCTL	0x0008
+#define AHC_SHOW_MEMORY		0x0010
+#define AHC_SHOW_MESSAGES	0x0020
+#define	AHC_SHOW_DV		0x0040
+#define AHC_SHOW_SELTO		0x0080
+#define AHC_SHOW_QFULL		0x0200
+#define AHC_SHOW_QUEUE		0x0400
+#define AHC_SHOW_TQIN		0x0800
+#define AHC_SHOW_MASKED_ERRORS	0x1000
+#define AHC_DEBUG_SEQUENCER	0x2000
+#endif
 void			ahc_print_scb(struct scb *scb);
+void			ahc_print_devinfo(struct ahc_softc *ahc,
+					  struct ahc_devinfo *dev);
 void			ahc_dump_card_state(struct ahc_softc *ahc);
+int			ahc_print_register(ahc_reg_parse_entry_t *table,
+					   u_int num_entries,
+					   const char *name,
+					   u_int address,
+					   u_int value,
+					   u_int *cur_column,
+					   u_int wrap_point);
+/******************************* SEEPROM *************************************/
+int		ahc_acquire_seeprom(struct ahc_softc *ahc,
+				    struct seeprom_descriptor *sd);
+void		ahc_release_seeprom(struct seeprom_descriptor *sd);
 #endif /* _AIC7XXX_H_ */

drivers/scsi/aic7xxx/aic7xxx_93cx6.h

@@ -38,9 +38,9 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_93cx6.h#7 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_93cx6.h#12 $
  *
- * $FreeBSD: src/sys/dev/aic7xxx/aic7xxx_93cx6.h,v 1.8 2000/11/10 20:13:41 gibbs Exp $
+ * $FreeBSD$
  */
 #ifndef _AIC7XXX_93CX6_H_
 #define _AIC7XXX_93CX6_H_
@@ -93,8 +93,10 @@ do {								\
 #define	SEEPROM_DATA_INB(sd) \
 	ahc_inb(sd->sd_ahc, sd->sd_dataout_offset)
 
-int read_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
-		 u_int start_addr, u_int count);
-int verify_cksum(struct seeprom_config *sc);
+int ahc_read_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
+		     u_int start_addr, u_int count);
+int ahc_write_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
+		      u_int start_addr, u_int count);
+int ahc_verify_cksum(struct seeprom_config *sc);
 
 #endif /* _AIC7XXX_93CX6_H_ */

drivers/scsi/aic7xxx/aicasm/Makefile

 PROG=	aicasm
 
-.SUFFIXES= .l .y .c
+.SUFFIXES= .l .y .c .h
 
 CSRCS=	aicasm.c aicasm_symbol.c
-GENSRCS= aicasm_gram.c aicasm_scan.c
-GENHDRS= y.tab.h aicdb.h
+YSRCS=	aicasm_gram.y aicasm_macro_gram.y
+LSRCS=	aicasm_scan.l aicasm_macro_scan.l
 
-SRCS=	${GENSRCS} ${CSRCS}
+GENHDRS=	aicdb.h $(YSRCS:.y=.h)
+GENSRCS=	$(YSRCS:.y=.c) $(LSRCS:.l=.c)
 
-# Cleaned up by make clean
-clean-files := $(GENSRCS) $(GENHDRS) y.output $(PROG)
+SRCS=	${CSRCS} ${GENSRCS}
+CLEANFILES= ${GENSRCS} ${GENHDRS} $(YSRCS:.y=.output)
 # Override default kernel CFLAGS.  This is a userland app.
 AICASM_CFLAGS:= -I/usr/include -I. -ldb
 YFLAGS= -d
@@ -28,7 +29,7 @@ YFLAGS+= -t -v
 LFLAGS= -d
 endif
 
-$(PROG):  $(SRCS) $(GENHDRS)
+$(PROG):  ${GENHDRS} $(SRCS)
 	$(AICASM_CC) $(AICASM_CFLAGS) $(SRCS) -o $(PROG)
 
 aicdb.h:
@@ -44,8 +45,21 @@ aicdb.h:
 		echo "*** Install db development libraries";	\
 	 fi
 
-y.tab.h aicasm_gram.c: aicasm_gram.y
-	$(YACC) $(YFLAGS) aicasm_gram.y
-	mv y.tab.c aicasm_gram.c
+clean:
+	rm -f $(CLEANFILES) $(PROG)
 
-aicasm_scan.c: y.tab.h
+aicasm_gram.c aicasm_gram.h: aicasm_gram.y
+	$(YACC) $(YFLAGS) -b $(<:.y=) $<
+	mv $(<:.y=).tab.c $(<:.y=.c)
+	mv $(<:.y=).tab.h $(<:.y=.h)
+
+aicasm_macro_gram.c aicasm_macro_gram.h: aicasm_macro_gram.y
+	$(YACC) $(YFLAGS) -b $(<:.y=) -p mm $<
+	mv $(<:.y=).tab.c $(<:.y=.c)
+	mv $(<:.y=).tab.h $(<:.y=.h)
+
+aicasm_scan.c: aicasm_scan.l
+	$(LEX) $(LFLAGS) -o$@ $<
+
+aicasm_macro_scan.c: aicasm_macro_scan.l
+	$(LEX) $(LFLAGS) -Pmm -o$@ $<

drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h

@@ -37,9 +37,9 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_insformat.h#7 $
+ * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_insformat.h#11 $
  *
- * $FreeBSD: src/sys/dev/aic7xxx/aicasm/aicasm_insformat.h,v 1.3 2000/09/22 22:19:54 gibbs Exp $
+ * $FreeBSD$
  */
 
 struct ins_format1 {