Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (81 commits)
  [S390] remove duplicated #includes
  [S390] cpumask: use mm_cpumask() wrapper
  [S390] cpumask: Use accessors code.
  [S390] cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.
  [S390] cpumask: remove cpu_coregroup_map
  [S390] fix clock comparator save area usage
  [S390] Add hwcap flag for the etf3 enhancement facility
  [S390] Ensure that ipl panic notifier is called late.
  [S390] fix dfp elf hwcap/facility bit detection
  [S390] smp: perform initial cpu reset before starting a cpu
  [S390] smp: fix memory leak on __cpu_up
  [S390] ipl: Improve checking logic and remove switch defaults.
  [S390] s390dbf: Remove needless check for NULL pointer.
  [S390] s390dbf: Remove redundant initilizations.
  [S390] use kzfree()
  [S390] BUG to BUG_ON changes
  [S390] zfcpdump: Prevent zcore from beeing built as a kernel module.
  [S390] Use csum_partial in checksum.h
  [S390] cleanup lowcore.h
  [S390] eliminate ipl_device from lowcore
  ...

49 files changed, 2770 insertions, 2884 deletions

diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
index d0eae59bc366..95bccfd3f169 100644
--- a/drivers/s390/Makefile
+++ b/drivers/s390/Makefile
@@ -2,9 +2,6 @@
 # Makefile for the S/390 specific device drivers
 #
 
-CFLAGS_sysinfo.o += -Iinclude/math-emu -Iarch/s390/math-emu -w
-
-obj-y += s390mach.o sysinfo.o
 obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/
 
 drivers-y += drivers/s390/built-in.o
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 08c23a921012..2fd64e5a9ab2 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -9,6 +9,9 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/kmod.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -22,6 +25,7 @@
 #include <asm/ebcdic.h>
 #include <asm/idals.h>
 #include <asm/todclk.h>
+#include <asm/itcw.h>
 
 /* This is ugly... */
 #define PRINTK_HEADER "dasd:"
@@ -221,7 +225,7 @@ static int dasd_state_known_to_basic(struct dasd_device *device)
 			return rc;
 	}
 	/* register 'device' debug area, used for all DBF_DEV_XXX calls */
-	device->debug_area = debug_register(dev_name(&device->cdev->dev), 1, 1,
+	device->debug_area = debug_register(dev_name(&device->cdev->dev), 4, 1,
 					    8 * sizeof(long));
 	debug_register_view(device->debug_area, &debug_sprintf_view);
 	debug_set_level(device->debug_area, DBF_WARNING);
@@ -762,7 +766,7 @@ static inline int dasd_check_cqr(struct dasd_ccw_req *cqr)
 		return -EINVAL;
 	device = cqr->startdev;
 	if (strncmp((char *) &cqr->magic, device->discipline->ebcname, 4)) {
-		DEV_MESSAGE(KERN_WARNING, device,
+		DBF_DEV_EVENT(DBF_WARNING, device,
 			    " dasd_ccw_req 0x%08x magic doesn't match"
 			    " discipline 0x%08x",
 			    cqr->magic,
@@ -782,6 +786,7 @@ int dasd_term_IO(struct dasd_ccw_req *cqr)
 {
 	struct dasd_device *device;
 	int retries, rc;
+	char errorstring[ERRORLENGTH];
 
 	/* Check the cqr */
 	rc = dasd_check_cqr(cqr);
@@ -815,10 +820,10 @@ int dasd_term_IO(struct dasd_ccw_req *cqr)
 				      "device busy, retry later");
 			break;
 		default:
-			DEV_MESSAGE(KERN_ERR, device,
-				    "line %d unknown RC=%d, please "
-				    "report to linux390@de.ibm.com",
-				    __LINE__, rc);
+			/* internal error 10 - unknown rc*/
+			snprintf(errorstring, ERRORLENGTH, "10 %d", rc);
+			dev_err(&device->cdev->dev, "An error occurred in the "
+				"DASD device driver, reason=%s\n", errorstring);
 			BUG();
 			break;
 		}
@@ -836,6 +841,7 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
 {
 	struct dasd_device *device;
 	int rc;
+	char errorstring[ERRORLENGTH];
 
 	/* Check the cqr */
 	rc = dasd_check_cqr(cqr);
@@ -843,17 +849,23 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
 		return rc;
 	device = (struct dasd_device *) cqr->startdev;
 	if (cqr->retries < 0) {
-		DEV_MESSAGE(KERN_DEBUG, device,
-			    "start_IO: request %p (%02x/%i) - no retry left.",
-			    cqr, cqr->status, cqr->retries);
+		/* internal error 14 - start_IO run out of retries */
+		sprintf(errorstring, "14 %p", cqr);
+		dev_err(&device->cdev->dev, "An error occurred in the DASD "
+			"device driver, reason=%s\n", errorstring);
 		cqr->status = DASD_CQR_ERROR;
 		return -EIO;
 	}
 	cqr->startclk = get_clock();
 	cqr->starttime = jiffies;
 	cqr->retries--;
-	rc = ccw_device_start(device->cdev, cqr->cpaddr, (long) cqr,
-			      cqr->lpm, 0);
+	if (cqr->cpmode == 1) {
+		rc = ccw_device_tm_start(device->cdev, cqr->cpaddr,
+					 (long) cqr, cqr->lpm);
+	} else {
+		rc = ccw_device_start(device->cdev, cqr->cpaddr,
+				      (long) cqr, cqr->lpm, 0);
+	}
 	switch (rc) {
 	case 0:
 		cqr->status = DASD_CQR_IN_IO;
@@ -862,11 +874,11 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
 			      cqr);
 		break;
 	case -EBUSY:
-		DBF_DEV_EVENT(DBF_ERR, device, "%s",
+		DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
 			      "start_IO: device busy, retry later");
 		break;
 	case -ETIMEDOUT:
-		DBF_DEV_EVENT(DBF_ERR, device, "%s",
+		DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
 			      "start_IO: request timeout, retry later");
 		break;
 	case -EACCES:
@@ -876,19 +888,24 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
 		 * Do a retry with all available pathes.
 		 */
 		cqr->lpm = LPM_ANYPATH;
-		DBF_DEV_EVENT(DBF_ERR, device, "%s",
+		DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
 			      "start_IO: selected pathes gone,"
 			      " retry on all pathes");
 		break;
 	case -ENODEV:
+		DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
+			      "start_IO: -ENODEV device gone, retry");
+		break;
 	case -EIO:
-		DBF_DEV_EVENT(DBF_ERR, device, "%s",
-			      "start_IO: device gone, retry");
+		DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
+			      "start_IO: -EIO device gone, retry");
 		break;
 	default:
-		DEV_MESSAGE(KERN_ERR, device,
-			    "line %d unknown RC=%d, please report"
-			    " to linux390@de.ibm.com", __LINE__, rc);
+		/* internal error 11 - unknown rc */
+		snprintf(errorstring, ERRORLENGTH, "11 %d", rc);
+		dev_err(&device->cdev->dev,
+			"An error occurred in the DASD device driver, "
+			"reason=%s\n", errorstring);
 		BUG();
 		break;
 	}
@@ -945,7 +962,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
 		return;
 	cqr = (struct dasd_ccw_req *) intparm;
 	if (cqr->status != DASD_CQR_IN_IO) {
-		MESSAGE(KERN_DEBUG,
+		DBF_EVENT(DBF_DEBUG,
 			"invalid status in handle_killed_request: "
 			"bus_id %s, status %02x",
 			dev_name(&cdev->dev), cqr->status);
@@ -956,8 +973,8 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
 	if (device == NULL ||
 	    device != dasd_device_from_cdev_locked(cdev) ||
 	    strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
-		MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
-			dev_name(&cdev->dev));
+		DBF_DEV_EVENT(DBF_DEBUG, device, "invalid device in request: "
+			      "bus_id %s", dev_name(&cdev->dev));
 		return;
 	}
 
@@ -996,11 +1013,11 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 		case -EIO:
 			break;
 		case -ETIMEDOUT:
-			printk(KERN_WARNING"%s(%s): request timed out\n",
+			DBF_EVENT(DBF_WARNING, "%s(%s): request timed out\n",
 			       __func__, dev_name(&cdev->dev));
 			break;
 		default:
-			printk(KERN_WARNING"%s(%s): unknown error %ld\n",
+			DBF_EVENT(DBF_WARNING, "%s(%s): unknown error %ld\n",
 			       __func__, dev_name(&cdev->dev), PTR_ERR(irb));
 		}
 		dasd_handle_killed_request(cdev, intparm);
@@ -1009,15 +1026,11 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 
 	now = get_clock();
 
-	DBF_EVENT(DBF_ERR, "Interrupt: bus_id %s CS/DS %04x ip %08x",
-		  dev_name(&cdev->dev), ((irb->scsw.cmd.cstat << 8) |
-		  irb->scsw.cmd.dstat), (unsigned int) intparm);
-
 	/* check for unsolicited interrupts */
 	cqr = (struct dasd_ccw_req *) intparm;
-	if (!cqr || ((irb->scsw.cmd.cc == 1) &&
-		     (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) &&
-		     (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND))) {
+	if (!cqr || ((scsw_cc(&irb->scsw) == 1) &&
+		     (scsw_fctl(&irb->scsw) & SCSW_FCTL_START_FUNC) &&
+		     (scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND))) {
 		if (cqr && cqr->status == DASD_CQR_IN_IO)
 			cqr->status = DASD_CQR_QUEUED;
 		device = dasd_device_from_cdev_locked(cdev);
@@ -1033,14 +1046,14 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 	device = (struct dasd_device *) cqr->startdev;
 	if (!device ||
 	    strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
-		MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
-			dev_name(&cdev->dev));
+		DBF_DEV_EVENT(DBF_DEBUG, device, "invalid device in request: "
+			      "bus_id %s", dev_name(&cdev->dev));
 		return;
 	}
 
 	/* Check for clear pending */
 	if (cqr->status == DASD_CQR_CLEAR_PENDING &&
-	    irb->scsw.cmd.fctl & SCSW_FCTL_CLEAR_FUNC) {
+	    scsw_fctl(&irb->scsw) & SCSW_FCTL_CLEAR_FUNC) {
 		cqr->status = DASD_CQR_CLEARED;
 		dasd_device_clear_timer(device);
 		wake_up(&dasd_flush_wq);
@@ -1048,19 +1061,17 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 		return;
 	}
 
- 	/* check status - the request might have been killed by dyn detach */
+	/* check status - the request might have been killed by dyn detach */
 	if (cqr->status != DASD_CQR_IN_IO) {
-		MESSAGE(KERN_DEBUG,
-			"invalid status: bus_id %s, status %02x",
-			dev_name(&cdev->dev), cqr->status);
+		DBF_DEV_EVENT(DBF_DEBUG, device, "invalid status: bus_id %s, "
+			      "status %02x", dev_name(&cdev->dev), cqr->status);
 		return;
 	}
-	DBF_DEV_EVENT(DBF_DEBUG, device, "Int: CS/DS 0x%04x for cqr %p",
-		      ((irb->scsw.cmd.cstat << 8) | irb->scsw.cmd.dstat), cqr);
+
 	next = NULL;
 	expires = 0;
-	if (irb->scsw.cmd.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) &&
-	    irb->scsw.cmd.cstat == 0 && !irb->esw.esw0.erw.cons) {
+	if (scsw_dstat(&irb->scsw) == (DEV_STAT_CHN_END | DEV_STAT_DEV_END) &&
+	    scsw_cstat(&irb->scsw) == 0) {
 		/* request was completed successfully */
 		cqr->status = DASD_CQR_SUCCESS;
 		cqr->stopclk = now;
@@ -1071,18 +1082,23 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 		}
 	} else {  /* error */
 		memcpy(&cqr->irb, irb, sizeof(struct irb));
+		/* log sense for every failed I/O to s390 debugfeature */
+		dasd_log_sense_dbf(cqr, irb);
 		if (device->features & DASD_FEATURE_ERPLOG) {
 			dasd_log_sense(cqr, irb);
 		}
+
 		/*
 		 * If we don't want complex ERP for this request, then just
 		 * reset this and retry it in the fastpath
 		 */
 		if (!test_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags) &&
 		    cqr->retries > 0) {
-			DEV_MESSAGE(KERN_DEBUG, device,
-				    "default ERP in fastpath (%i retries left)",
-				    cqr->retries);
+			if (cqr->lpm == LPM_ANYPATH)
+				DBF_DEV_EVENT(DBF_DEBUG, device,
+					      "default ERP in fastpath "
+					      "(%i retries left)",
+					      cqr->retries);
 			cqr->lpm    = LPM_ANYPATH;
 			cqr->status = DASD_CQR_QUEUED;
 			next = cqr;
@@ -1093,10 +1109,6 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 	    (!device->stopped)) {
 		if (device->discipline->start_IO(next) == 0)
 			expires = next->expires;
-		else
-			DEV_MESSAGE(KERN_DEBUG, device, "%s",
-				    "Interrupt fastpath "
-				    "failed!");
 	}
 	if (expires != 0)
 		dasd_device_set_timer(device, expires);
@@ -1169,6 +1181,7 @@ static void __dasd_device_process_final_queue(struct dasd_device *device,
 	struct dasd_block *block;
 	void (*callback)(struct dasd_ccw_req *, void *data);
 	void *callback_data;
+	char errorstring[ERRORLENGTH];
 
 	list_for_each_safe(l, n, final_queue) {
 		cqr = list_entry(l, struct dasd_ccw_req, devlist);
@@ -1189,10 +1202,11 @@ static void __dasd_device_process_final_queue(struct dasd_device *device,
 			cqr->status = DASD_CQR_TERMINATED;
 			break;
 		default:
-			DEV_MESSAGE(KERN_ERR, device,
-				    "wrong cqr status in __dasd_process_final_queue "
-				    "for cqr %p, status %x",
-				    cqr, cqr->status);
+			/* internal error 12 - wrong cqr status*/
+			snprintf(errorstring, ERRORLENGTH, "12 %p %x02", cqr, cqr->status);
+			dev_err(&device->cdev->dev,
+				"An error occurred in the DASD device driver, "
+				"reason=%s\n", errorstring);
 			BUG();
 		}
 		if (cqr->callback != NULL)
@@ -1217,18 +1231,17 @@ static void __dasd_device_check_expire(struct dasd_device *device)
 	    (time_after_eq(jiffies, cqr->expires + cqr->starttime))) {
 		if (device->discipline->term_IO(cqr) != 0) {
 			/* Hmpf, try again in 5 sec */
-			DEV_MESSAGE(KERN_ERR, device,
-				    "internal error - timeout (%is) expired "
-				    "for cqr %p, termination failed, "
-				    "retrying in 5s",
-				    (cqr->expires/HZ), cqr);
+			dev_err(&device->cdev->dev,
+				"cqr %p timed out (%is) but cannot be "
+				"ended, retrying in 5 s\n",
+				cqr, (cqr->expires/HZ));
 			cqr->expires += 5*HZ;
 			dasd_device_set_timer(device, 5*HZ);
 		} else {
-			DEV_MESSAGE(KERN_ERR, device,
-				    "internal error - timeout (%is) expired "
-				    "for cqr %p (%i retries left)",
-				    (cqr->expires/HZ), cqr, cqr->retries);
+			dev_err(&device->cdev->dev,
+				"cqr %p timed out (%is), %i retries "
+				"remaining\n", cqr, (cqr->expires/HZ),
+				cqr->retries);
 		}
 	}
 }
@@ -1290,10 +1303,9 @@ int dasd_flush_device_queue(struct dasd_device *device)
 			rc = device->discipline->term_IO(cqr);
 			if (rc) {
 				/* unable to terminate requeust */
-				DEV_MESSAGE(KERN_ERR, device,
-					    "dasd flush ccw_queue is unable "
-					    " to terminate request %p",
-					    cqr);
+				dev_err(&device->cdev->dev,
+					"Flushing the DASD request queue "
+					"failed for request %p\n", cqr);
 				/* stop flush processing */
 				goto finished;
 			}
@@ -1537,10 +1549,9 @@ int dasd_cancel_req(struct dasd_ccw_req *cqr)
 		/* request in IO - terminate IO and release again */
 		rc = device->discipline->term_IO(cqr);
 		if (rc) {
-			DEV_MESSAGE(KERN_ERR, device,
-				    "dasd_cancel_req is unable "
-				    " to terminate request %p, rc = %d",
-				    cqr, rc);
+			dev_err(&device->cdev->dev,
+				"Cancelling request %p failed with rc=%d\n",
+				cqr, rc);
 		} else {
 			cqr->stopclk = get_clock();
 			rc = 1;
@@ -1617,7 +1628,7 @@ static inline void __dasd_block_process_erp(struct dasd_block *block,
 	if (cqr->status == DASD_CQR_DONE)
 		DBF_DEV_EVENT(DBF_NOTICE, device, "%s", "ERP successful");
 	else
-		DEV_MESSAGE(KERN_ERR, device, "%s", "ERP unsuccessful");
+		dev_err(&device->cdev->dev, "ERP failed for the DASD\n");
 	erp_fn = device->discipline->erp_postaction(cqr);
 	erp_fn(cqr);
 }
@@ -1991,8 +2002,11 @@ static void dasd_setup_queue(struct dasd_block *block)
 	blk_queue_max_sectors(block->request_queue, max);
 	blk_queue_max_phys_segments(block->request_queue, -1L);
 	blk_queue_max_hw_segments(block->request_queue, -1L);
-	blk_queue_max_segment_size(block->request_queue, -1L);
-	blk_queue_segment_boundary(block->request_queue, -1L);
+	/* with page sized segments we can translate each segement into
+	 * one idaw/tidaw
+	 */
+	blk_queue_max_segment_size(block->request_queue, PAGE_SIZE);
+	blk_queue_segment_boundary(block->request_queue, PAGE_SIZE - 1);
 	blk_queue_ordered(block->request_queue, QUEUE_ORDERED_DRAIN, NULL);
 }
 
@@ -2043,8 +2057,9 @@ static int dasd_open(struct block_device *bdev, fmode_t mode)
 	}
 
 	if (dasd_probeonly) {
-		DEV_MESSAGE(KERN_INFO, base, "%s",
-			    "No access to device due to probeonly mode");
+		dev_info(&base->cdev->dev,
+			 "Accessing the DASD failed because it is in "
+			 "probeonly mode\n");
 		rc = -EPERM;
 		goto out;
 	}
@@ -2101,7 +2116,8 @@ dasd_device_operations = {
 	.owner		= THIS_MODULE,
 	.open		= dasd_open,
 	.release	= dasd_release,
-	.locked_ioctl	= dasd_ioctl,
+	.ioctl		= dasd_ioctl,
+	.compat_ioctl	= dasd_ioctl,
 	.getgeo		= dasd_getgeo,
 };
 
@@ -2143,14 +2159,14 @@ int dasd_generic_probe(struct ccw_device *cdev,
 
 	ret = ccw_device_set_options(cdev, CCWDEV_DO_PATHGROUP);
 	if (ret) {
-		printk(KERN_WARNING
+		DBF_EVENT(DBF_WARNING,
 		       "dasd_generic_probe: could not set ccw-device options "
 		       "for %s\n", dev_name(&cdev->dev));
 		return ret;
 	}
 	ret = dasd_add_sysfs_files(cdev);
 	if (ret) {
-		printk(KERN_WARNING
+		DBF_EVENT(DBF_WARNING,
 		       "dasd_generic_probe: could not add sysfs entries "
 		       "for %s\n", dev_name(&cdev->dev));
 		return ret;
@@ -2166,9 +2182,7 @@ int dasd_generic_probe(struct ccw_device *cdev,
 	    (dasd_autodetect && dasd_busid_known(dev_name(&cdev->dev)) != 0))
 		ret = ccw_device_set_online(cdev);
 	if (ret)
-		printk(KERN_WARNING
-		       "dasd_generic_probe: could not initially "
-		       "online ccw-device %s; return code: %d\n",
+		pr_warning("%s: Setting the DASD online failed with rc=%d\n",
 		       dev_name(&cdev->dev), ret);
 	return 0;
 }
@@ -2232,10 +2246,9 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 	discipline = base_discipline;
 	if (device->features & DASD_FEATURE_USEDIAG) {
 	  	if (!dasd_diag_discipline_pointer) {
-		        printk (KERN_WARNING
-				"dasd_generic couldn't online device %s "
-				"- discipline DIAG not available\n",
-				dev_name(&cdev->dev));
+			pr_warning("%s Setting the DASD online failed because "
+				   "of missing DIAG discipline\n",
+				   dev_name(&cdev->dev));
 			dasd_delete_device(device);
 			return -ENODEV;
 		}
@@ -2256,10 +2269,9 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 	/* check_device will allocate block device if necessary */
 	rc = discipline->check_device(device);
 	if (rc) {
-		printk (KERN_WARNING
-			"dasd_generic couldn't online device %s "
-			"with discipline %s rc=%i\n",
-			dev_name(&cdev->dev), discipline->name, rc);
+		pr_warning("%s Setting the DASD online with discipline %s "
+			   "failed with rc=%i\n",
+			   dev_name(&cdev->dev), discipline->name, rc);
 		module_put(discipline->owner);
 		module_put(base_discipline->owner);
 		dasd_delete_device(device);
@@ -2268,9 +2280,8 @@ int dasd_generic_set_online(struct ccw_device *cdev,
 
 	dasd_set_target_state(device, DASD_STATE_ONLINE);
 	if (device->state <= DASD_STATE_KNOWN) {
-		printk (KERN_WARNING
-			"dasd_generic discipline not found for %s\n",
-			dev_name(&cdev->dev));
+		pr_warning("%s Setting the DASD online failed because of a "
+			   "missing discipline\n", dev_name(&cdev->dev));
 		rc = -ENODEV;
 		dasd_set_target_state(device, DASD_STATE_NEW);
 		if (device->block)
@@ -2314,13 +2325,13 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
 		open_count = atomic_read(&device->block->open_count);
 		if (open_count > max_count) {
 			if (open_count > 0)
-				printk(KERN_WARNING "Can't offline dasd "
-				       "device with open count = %i.\n",
-				       open_count);
+				pr_warning("%s: The DASD cannot be set offline "
+					   "with open count %i\n",
+					   dev_name(&cdev->dev), open_count);
 			else
-				printk(KERN_WARNING "%s",
-				       "Can't offline dasd device due "
-				       "to internal use\n");
+				pr_warning("%s: The DASD cannot be set offline "
+					   "while it is in use\n",
+					   dev_name(&cdev->dev));
 			clear_bit(DASD_FLAG_OFFLINE, &device->flags);
 			dasd_put_device(device);
 			return -EBUSY;
@@ -2393,8 +2404,10 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 	cqr = dasd_smalloc_request(magic, 1 /* RDC */, rdc_buffer_size, device);
 
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "Could not allocate RDC request");
+		/* internal error 13 - Allocating the RDC request failed*/
+		dev_err(&device->cdev->dev,
+			 "An error occurred in the DASD device driver, "
+			 "reason=%s\n", "13");
 		return cqr;
 	}
 
@@ -2431,6 +2444,40 @@ int dasd_generic_read_dev_chars(struct dasd_device *device, char *magic,
 }
 EXPORT_SYMBOL_GPL(dasd_generic_read_dev_chars);
 
+/*
+ *   In command mode and transport mode we need to look for sense
+ *   data in different places. The sense data itself is allways
+ *   an array of 32 bytes, so we can unify the sense data access
+ *   for both modes.
+ */
+char *dasd_get_sense(struct irb *irb)
+{
+	struct tsb *tsb = NULL;
+	char *sense = NULL;
+
+	if (scsw_is_tm(&irb->scsw) && (irb->scsw.tm.fcxs == 0x01)) {
+		if (irb->scsw.tm.tcw)
+			tsb = tcw_get_tsb((struct tcw *)(unsigned long)
+					  irb->scsw.tm.tcw);
+		if (tsb && tsb->length == 64 && tsb->flags)
+			switch (tsb->flags & 0x07) {
+			case 1:	/* tsa_iostat */
+				sense = tsb->tsa.iostat.sense;
+				break;
+			case 2: /* tsa_ddpc */
+				sense = tsb->tsa.ddpc.sense;
+				break;
+			default:
+				/* currently we don't use interrogate data */
+				break;
+			}
+	} else if (irb->esw.esw0.erw.cons) {
+		sense = irb->ecw;
+	}
+	return sense;
+}
+EXPORT_SYMBOL_GPL(dasd_get_sense);
+
 static int __init dasd_init(void)
 {
 	int rc;
@@ -2472,7 +2519,7 @@ static int __init dasd_init(void)
 
 	return 0;
 failed:
-	MESSAGE(KERN_INFO, "%s", "initialization not performed due to errors");
+	pr_info("The DASD device driver could not be initialized\n");
 	dasd_exit();
 	return rc;
 }
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index d82aad5224f0..27991b692056 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -7,6 +7,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/timer.h>
 #include <linux/slab.h>
 #include <asm/idals.h>
@@ -75,7 +77,7 @@ dasd_3990_erp_block_queue(struct dasd_ccw_req * erp, int expires)
 	struct dasd_device *device = erp->startdev;
 	unsigned long flags;
 
-	DEV_MESSAGE(KERN_INFO, device,
+	DBF_DEV_EVENT(DBF_INFO, device,
 		    "blocking request queue for %is", expires/HZ);
 
 	spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
@@ -114,9 +116,9 @@ dasd_3990_erp_int_req(struct dasd_ccw_req * erp)
 	} else {
 
 		/* issue a message and wait for 'device ready' interrupt */
-		DEV_MESSAGE(KERN_ERR, device, "%s",
+		dev_err(&device->cdev->dev,
 			    "is offline or not installed - "
-			    "INTERVENTION REQUIRED!!");
+			    "INTERVENTION REQUIRED!!\n");
 
 		dasd_3990_erp_block_queue(erp, 60*HZ);
 	}
@@ -158,7 +160,7 @@ dasd_3990_erp_alternate_path(struct dasd_ccw_req * erp)
 
 	if ((erp->lpm & opm) != 0x00) {
 
-		DEV_MESSAGE(KERN_DEBUG, device,
+		DBF_DEV_EVENT(DBF_WARNING, device,
 			    "try alternate lpm=%x (lpum=%x / opm=%x)",
 			    erp->lpm, erp->irb.esw.esw0.sublog.lpum, opm);
 
@@ -166,10 +168,9 @@ dasd_3990_erp_alternate_path(struct dasd_ccw_req * erp)
 		erp->status = DASD_CQR_FILLED;
 		erp->retries = 10;
 	} else {
-		DEV_MESSAGE(KERN_ERR, device,
-			    "No alternate channel path left (lpum=%x / "
-			    "opm=%x) -> permanent error",
-			    erp->irb.esw.esw0.sublog.lpum, opm);
+		dev_err(&device->cdev->dev,
+			"The DASD cannot be reached on any path (lpum=%x"
+			"/opm=%x)\n", erp->irb.esw.esw0.sublog.lpum, opm);
 
 		/* post request with permanent error */
 		erp->status = DASD_CQR_FAILED;
@@ -204,8 +205,8 @@ dasd_3990_erp_DCTL(struct dasd_ccw_req * erp, char modifier)
 					  sizeof(struct DCTL_data),
 					  device);
 	if (IS_ERR(dctl_cqr)) {
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "Unable to allocate DCTL-CQR");
+		dev_err(&device->cdev->dev,
+			    "Unable to allocate DCTL-CQR\n");
 		erp->status = DASD_CQR_FAILED;
 		return erp;
 	}
@@ -294,7 +295,7 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
 	/* interrupt (this enables easier enqueing of the cqr)	    */
 	if (erp->function != dasd_3990_erp_action_4) {
 
-		DEV_MESSAGE(KERN_INFO, device, "%s",
+		DBF_DEV_EVENT(DBF_INFO, device, "%s",
 			    "dasd_3990_erp_action_4: first time retry");
 
 		erp->retries = 256;
@@ -303,7 +304,7 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
 	} else {
 		if (sense && (sense[25] == 0x1D)) { /* state change pending */
 
-			DEV_MESSAGE(KERN_INFO, device,
+			DBF_DEV_EVENT(DBF_INFO, device,
 				    "waiting for state change pending "
 				    "interrupt, %d retries left",
 				    erp->retries);
@@ -311,15 +312,14 @@ dasd_3990_erp_action_4(struct dasd_ccw_req * erp, char *sense)
 			dasd_3990_erp_block_queue(erp, 30*HZ);
 
 		} else if (sense && (sense[25] == 0x1E)) {	/* busy */
-			DEV_MESSAGE(KERN_INFO, device,
+			DBF_DEV_EVENT(DBF_INFO, device,
 				    "busy - redriving request later, "
 				    "%d retries left",
 				    erp->retries);
                         dasd_3990_erp_block_queue(erp, HZ);
 		} else {
-
 			/* no state change pending - retry */
-			DEV_MESSAGE (KERN_INFO, device,
+			DBF_DEV_EVENT(DBF_INFO, device,
 				     "redriving request immediately, "
 				     "%d retries left",
 				     erp->retries);
@@ -384,6 +384,7 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
 	struct dasd_device *device = erp->startdev;
 	char msg_format = (sense[7] & 0xF0);
 	char msg_no = (sense[7] & 0x0F);
+	char errorstring[ERRORLENGTH];
 
 	switch (msg_format) {
 	case 0x00:		/* Format 0 - Program or System Checks */
@@ -394,95 +395,97 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
 			case 0x00:	/* No Message */
 				break;
 			case 0x01:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Invalid Command");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Invalid Command\n");
 				break;
 			case 0x02:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Invalid Command "
-					    "Sequence");
+					    "Sequence\n");
 				break;
 			case 0x03:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - CCW Count less than "
-					    "required");
+					    "required\n");
 				break;
 			case 0x04:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Invalid Parameter");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Invalid Parameter\n");
 				break;
 			case 0x05:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Diagnostic of Sepecial"
-					    " Command Violates File Mask");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Diagnostic of Special"
+					    " Command Violates File Mask\n");
 				break;
 			case 0x07:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Channel Returned with "
-					    "Incorrect retry CCW");
+					    "Incorrect retry CCW\n");
 				break;
 			case 0x08:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Reset Notification");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Reset Notification\n");
 				break;
 			case 0x09:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Storage Path Restart");
+				dev_warn(&device->cdev->dev,
+					 "FORMAT 0 - Storage Path Restart\n");
 				break;
 			case 0x0A:
-				DEV_MESSAGE(KERN_WARNING, device,
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Channel requested "
-					    "... %02x", sense[8]);
+					    "... %02x\n", sense[8]);
 				break;
 			case 0x0B:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Invalid Defective/"
-					    "Alternate Track Pointer");
+					    "Alternate Track Pointer\n");
 				break;
 			case 0x0C:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - DPS Installation "
-					    "Check");
+					    "Check\n");
 				break;
 			case 0x0E:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Command Invalid on "
-					    "Secondary Address");
+					    "Secondary Address\n");
 				break;
 			case 0x0F:
-				DEV_MESSAGE(KERN_WARNING, device,
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Status Not As "
-					    "Required: reason %02x", sense[8]);
+					    "Required: reason %02x\n",
+					 sense[8]);
 				break;
 			default:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Reseved");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Reserved\n");
 			}
 		} else {
 			switch (msg_no) {
 			case 0x00:	/* No Message */
 				break;
 			case 0x01:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Device Error Source");
+				dev_warn(&device->cdev->dev,
+					 "FORMAT 0 - Device Error "
+					 "Source\n");
 				break;
 			case 0x02:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Reserved");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Reserved\n");
 				break;
 			case 0x03:
-				DEV_MESSAGE(KERN_WARNING, device,
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Device Fenced - "
-					    "device = %02x", sense[4]);
+					    "device = %02x\n", sense[4]);
 				break;
 			case 0x04:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
+				dev_warn(&device->cdev->dev,
 					    "FORMAT 0 - Data Pinned for "
-					    "Device");
+					    "Device\n");
 				break;
 			default:
-				DEV_MESSAGE(KERN_WARNING, device, "%s",
-					    "FORMAT 0 - Reserved");
+				dev_warn(&device->cdev->dev,
+					    "FORMAT 0 - Reserved\n");
 			}
 		}
 		break;
@@ -492,348 +495,352 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
 		case 0x00:	/* No Message */
 			break;
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Device Status 1 not as "
-				    "expected");
+				    "expected\n");
 			break;
 		case 0x03:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Index missing");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Index missing\n");
 			break;
 		case 0x04:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Interruption cannot be reset");
+			dev_warn(&device->cdev->dev,
+				 "FORMAT 1 - Interruption cannot be "
+				 "reset\n");
 			break;
 		case 0x05:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Device did not respond to "
-				    "selection");
+				    "selection\n");
 			break;
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Device check-2 error or Set "
-				    "Sector is not complete");
+				    "Sector is not complete\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Head address does not "
-				    "compare");
+				    "compare\n");
 			break;
 		case 0x08:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Device status 1 not valid");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Device status 1 not valid\n");
 			break;
 		case 0x09:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Device not ready");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Device not ready\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Track physical address did "
-				    "not compare");
+				    "not compare\n");
 			break;
 		case 0x0B:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Missing device address bit");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Missing device address bit\n");
 			break;
 		case 0x0C:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Drive motor switch is off");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Drive motor switch is off\n");
 			break;
 		case 0x0D:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Seek incomplete");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Seek incomplete\n");
 			break;
 		case 0x0E:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Cylinder address did not "
-				    "compare");
+				    "compare\n");
 			break;
 		case 0x0F:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 1 - Offset active cannot be "
-				    "reset");
+				    "reset\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 1 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 1 - Reserved\n");
 		}
 		break;
 
 	case 0x20:		/* Format 2 - 3990 Equipment Checks */
 		switch (msg_no) {
 		case 0x08:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 2 - 3990 check-2 error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 2 - 3990 check-2 error\n");
 			break;
 		case 0x0E:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 2 - Support facility errors");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 2 - Support facility errors\n");
 			break;
 		case 0x0F:
-			DEV_MESSAGE(KERN_WARNING, device,
-				    "FORMAT 2 - Microcode detected error %02x",
-				    sense[8]);
+			dev_warn(&device->cdev->dev,
+				 "FORMAT 2 - Microcode detected error "
+				 "%02x\n",
+				 sense[8]);
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 2 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 2 - Reserved\n");
 		}
 		break;
 
 	case 0x30:		/* Format 3 - 3990 Control Checks */
 		switch (msg_no) {
 		case 0x0F:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 3 - Allegiance terminated");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 3 - Allegiance terminated\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 3 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 3 - Reserved\n");
 		}
 		break;
 
 	case 0x40:		/* Format 4 - Data Checks */
 		switch (msg_no) {
 		case 0x00:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - Home address area error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - Home address area error\n");
 			break;
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - Count area error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - Count area error\n");
 			break;
 		case 0x02:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - Key area error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - Key area error\n");
 			break;
 		case 0x03:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - Data area error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - Data area error\n");
 			break;
 		case 0x04:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - No sync byte in home address "
-				    "area");
+				    "area\n");
 			break;
 		case 0x05:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - No sync byte in count address "
-				    "area");
+				    "area\n");
 			break;
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - No sync byte in key area");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - No sync byte in key area\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - No sync byte in data area");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - No sync byte in data area\n");
 			break;
 		case 0x08:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - Home address area error; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		case 0x09:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - Count area error; offset "
-				    "active");
+				    "active\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - Key area error; offset "
-				    "active");
+				    "active\n");
 			break;
 		case 0x0B:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - Data area error; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		case 0x0C:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - No sync byte in home "
-				    "address area; offset active");
+				    "address area; offset active\n");
 			break;
 		case 0x0D:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - No syn byte in count "
-				    "address area; offset active");
+				    "address area; offset active\n");
 			break;
 		case 0x0E:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - No sync byte in key area; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		case 0x0F:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 4 - No syn byte in data area; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 4 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 4 - Reserved\n");
 		}
 		break;
 
 	case 0x50:  /* Format 5 - Data Check with displacement information */
 		switch (msg_no) {
 		case 0x00:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 5 - Data Check in the "
-				    "home address area");
+				    "home address area\n");
 			break;
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 5 - Data Check in the count area");
+			dev_warn(&device->cdev->dev,
+				 "FORMAT 5 - Data Check in the count "
+				 "area\n");
 			break;
 		case 0x02:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 5 - Data Check in the key area");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 5 - Data Check in the key area\n");
 			break;
 		case 0x03:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 5 - Data Check in the data area");
+			dev_warn(&device->cdev->dev,
+				 "FORMAT 5 - Data Check in the data "
+				 "area\n");
 			break;
 		case 0x08:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 5 - Data Check in the "
-				    "home address area; offset active");
+				    "home address area; offset active\n");
 			break;
 		case 0x09:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 5 - Data Check in the count area; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 5 - Data Check in the key area; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		case 0x0B:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 5 - Data Check in the data area; "
-				    "offset active");
+				    "offset active\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 5 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 5 - Reserved\n");
 		}
 		break;
 
 	case 0x60:  /* Format 6 - Usage Statistics/Overrun Errors */
 		switch (msg_no) {
 		case 0x00:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel A");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel A\n");
 			break;
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel B");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel B\n");
 			break;
 		case 0x02:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel C");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel C\n");
 			break;
 		case 0x03:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel D");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel D\n");
 			break;
 		case 0x04:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel E");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel E\n");
 			break;
 		case 0x05:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel F");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel F\n");
 			break;
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel G");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel G\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Overrun on channel H");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Overrun on channel H\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 6 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 6 - Reserved\n");
 		}
 		break;
 
 	case 0x70:  /* Format 7 - Device Connection Control Checks */
 		switch (msg_no) {
 		case 0x00:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - RCC initiated by a connection "
-				    "check alert");
+				    "check alert\n");
 			break;
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - RCC 1 sequence not "
-				    "successful");
+				    "successful\n");
 			break;
 		case 0x02:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - RCC 1 and RCC 2 sequences not "
-				    "successful");
+				    "successful\n");
 			break;
 		case 0x03:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Invalid tag-in during "
-				    "selection sequence");
+				    "selection sequence\n");
 			break;
 		case 0x04:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 7 - extra RCC required");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 7 - extra RCC required\n");
 			break;
 		case 0x05:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Invalid DCC selection "
-				    "response or timeout");
+				    "response or timeout\n");
 			break;
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Missing end operation; device "
-				    "transfer complete");
+				    "transfer complete\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Missing end operation; device "
-				    "transfer incomplete");
+				    "transfer incomplete\n");
 			break;
 		case 0x08:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Invalid tag-in for an "
-				    "immediate command sequence");
+				    "immediate command sequence\n");
 			break;
 		case 0x09:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Invalid tag-in for an "
-				    "extended command sequence");
+				    "extended command sequence\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - 3990 microcode time out when "
-				    "stopping selection");
+				    "stopping selection\n");
 			break;
 		case 0x0B:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - No response to selection "
-				    "after a poll interruption");
+				    "after a poll interruption\n");
 			break;
 		case 0x0C:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - Permanent path error (DASD "
-				    "controller not available)");
+				    "controller not available)\n");
 			break;
 		case 0x0D:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 7 - DASD controller not available"
-				    " on disconnected command chain");
+				    " on disconnected command chain\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 7 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 7 - Reserved\n");
 		}
 		break;
 
@@ -841,52 +848,52 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
 		switch (msg_no) {
 		case 0x00:	/* No Message */
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - Error correction code "
-				    "hardware fault");
+				    "hardware fault\n");
 			break;
 		case 0x03:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - Unexpected end operation "
-				    "response code");
+				    "response code\n");
 			break;
 		case 0x04:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - End operation with transfer "
-				    "count not zero");
+				    "count not zero\n");
 			break;
 		case 0x05:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - End operation with transfer "
-				    "count zero");
+				    "count zero\n");
 			break;
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - DPS checks after a system "
-				    "reset or selective reset");
+				    "reset or selective reset\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 8 - DPS cannot be filled");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 8 - DPS cannot be filled\n");
 			break;
 		case 0x08:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - Short busy time-out during "
-				    "device selection");
+				    "device selection\n");
 			break;
 		case 0x09:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - DASD controller failed to "
-				    "set or reset the long busy latch");
+				    "set or reset the long busy latch\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 8 - No interruption from device "
-				    "during a command chain");
+				    "during a command chain\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 8 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 8 - Reserved\n");
 		}
 		break;
 
@@ -895,97 +902,100 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense)
 		case 0x00:
 			break;	/* No Message */
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 9 - Device check-2 error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 9 - Device check-2 error\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 9 - Head address did not compare");
+			dev_warn(&device->cdev->dev,
+				 "FORMAT 9 - Head address did not "
+				 "compare\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 9 - Track physical address did "
-				    "not compare while oriented");
+				    "not compare while oriented\n");
 			break;
 		case 0x0E:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT 9 - Cylinder address did not "
-				    "compare");
+				    "compare\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT 9 - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT 9 - Reserved\n");
 		}
 		break;
 
 	case 0xF0:		/* Format F - Cache Storage Checks */
 		switch (msg_no) {
 		case 0x00:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Operation Terminated");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Operation Terminated\n");
 			break;
 		case 0x01:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Subsystem Processing Error");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Subsystem Processing Error\n");
 			break;
 		case 0x02:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT F - Cache or nonvolatile storage "
-				    "equipment failure");
+				    "equipment failure\n");
 			break;
 		case 0x04:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Caching terminated");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Caching terminated\n");
 			break;
 		case 0x06:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT F - Cache fast write access not "
-				    "authorized");
+				    "authorized\n");
 			break;
 		case 0x07:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Track format incorrect");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Track format incorrect\n");
 			break;
 		case 0x09:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Caching reinitiated");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Caching reinitiated\n");
 			break;
 		case 0x0A:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT F - Nonvolatile storage "
-				    "terminated");
+				    "terminated\n");
 			break;
 		case 0x0B:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Volume is suspended duplex");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Volume is suspended duplex\n");
 			/* call extended error reporting (EER) */
 			dasd_eer_write(device, erp->refers,
 				       DASD_EER_PPRCSUSPEND);
 			break;
 		case 0x0C:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - Subsystem status connot be "
-				    "determined");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - Subsystem status cannot be "
+				    "determined\n");
 			break;
 		case 0x0D:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
+			dev_warn(&device->cdev->dev,
 				    "FORMAT F - Caching status reset to "
-				    "default");
+				    "default\n");
 			break;
 		case 0x0E:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT F - DASD Fast Write inhibited");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT F - DASD Fast Write inhibited\n");
 			break;
 		default:
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "FORMAT D - Reserved");
+			dev_warn(&device->cdev->dev,
+				    "FORMAT D - Reserved\n");
 		}
 		break;
 
-	default:	/* unknown message format - should not happen */
-	        DEV_MESSAGE (KERN_WARNING, device,
-                             "unknown message format %02x",
-                             msg_format);
+	default:	/* unknown message format - should not happen
+			   internal error 03 - unknown message format */
+		snprintf(errorstring, ERRORLENGTH, "03 %x02", msg_format);
+		dev_err(&device->cdev->dev,
+			 "An error occurred in the DASD device driver, "
+			 "reason=%s\n", errorstring);
 		break;
 	}			/* end switch message format */
 
@@ -1015,7 +1025,7 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense)
 	/* env data present (ACTION 10 - retry should work) */
 	if (sense[2] & SNS2_ENV_DATA_PRESENT) {
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Command Reject - environmental data present");
 
 		dasd_3990_handle_env_data(erp, sense);
@@ -1023,9 +1033,10 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense)
 		erp->retries = 5;
 
 	} else {
-		/* fatal error -  set status to FAILED */
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "Command Reject - Fatal error");
+		/* fatal error -  set status to FAILED
+		   internal error 09 - Command Reject */
+		dev_err(&device->cdev->dev, "An error occurred in the DASD "
+			"device driver, reason=%s\n", "09");
 
 		erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 	}
@@ -1061,7 +1072,7 @@ dasd_3990_erp_bus_out(struct dasd_ccw_req * erp)
 	} else {
 
 		/* issue a message and wait for 'device ready' interrupt */
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "bus out parity error or BOPC requested by "
 			    "channel");
 
@@ -1093,21 +1104,19 @@ dasd_3990_erp_equip_check(struct dasd_ccw_req * erp, char *sense)
 	erp->function = dasd_3990_erp_equip_check;
 
 	if (sense[1] & SNS1_WRITE_INHIBITED) {
+		dev_info(&device->cdev->dev,
+			    "Write inhibited path encountered\n");
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
-			    "Write inhibited path encountered");
-
-		/* vary path offline */
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "Path should be varied off-line. "
-			    "This is not implemented yet \n - please report "
-			    "to linux390@de.ibm.com");
+		/* vary path offline
+		   internal error 04 - Path should be varied off-line.*/
+		dev_err(&device->cdev->dev, "An error occurred in the DASD "
+			"device driver, reason=%s\n", "04");
 
 		erp = dasd_3990_erp_action_1(erp);
 
 	} else if (sense[2] & SNS2_ENV_DATA_PRESENT) {
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Equipment Check - " "environmental data present");
 
 		dasd_3990_handle_env_data(erp, sense);
@@ -1116,7 +1125,7 @@ dasd_3990_erp_equip_check(struct dasd_ccw_req * erp, char *sense)
 
 	} else if (sense[1] & SNS1_PERM_ERR) {
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Equipment Check - retry exhausted or "
 			    "undesirable");
 
@@ -1125,7 +1134,7 @@ dasd_3990_erp_equip_check(struct dasd_ccw_req * erp, char *sense)
 	} else {
 		/* all other equipment checks - Action 5 */
 		/* rest is done when retries == 0 */
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Equipment check or processing error");
 
 		erp = dasd_3990_erp_action_5(erp);
@@ -1156,9 +1165,9 @@ dasd_3990_erp_data_check(struct dasd_ccw_req * erp, char *sense)
 	if (sense[2] & SNS2_CORRECTABLE) {	/* correctable data check */
 
 		/* issue message that the data has been corrected */
-		DEV_MESSAGE(KERN_EMERG, device, "%s",
+		dev_emerg(&device->cdev->dev,
 			    "Data recovered during retry with PCI "
-			    "fetch mode active");
+			    "fetch mode active\n");
 
 		/* not possible to handle this situation in Linux */
 		panic("No way to inform application about the possibly "
@@ -1166,7 +1175,7 @@ dasd_3990_erp_data_check(struct dasd_ccw_req * erp, char *sense)
 
 	} else if (sense[2] & SNS2_ENV_DATA_PRESENT) {
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Uncorrectable data check recovered secondary "
 			    "addr of duplex pair");
 
@@ -1174,7 +1183,7 @@ dasd_3990_erp_data_check(struct dasd_ccw_req * erp, char *sense)
 
 	} else if (sense[1] & SNS1_PERM_ERR) {
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Uncorrectable data check with internal "
 			    "retry exhausted");
 
@@ -1182,7 +1191,7 @@ dasd_3990_erp_data_check(struct dasd_ccw_req * erp, char *sense)
 
 	} else {
 		/* all other data checks */
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Uncorrectable data check with retry count "
 			    "exhausted...");
 
@@ -1212,7 +1221,7 @@ dasd_3990_erp_overrun(struct dasd_ccw_req * erp, char *sense)
 
 	erp->function = dasd_3990_erp_overrun;
 
-	DEV_MESSAGE(KERN_DEBUG, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "Overrun - service overrun or overrun"
 		    " error requested by channel");
 
@@ -1243,7 +1252,7 @@ dasd_3990_erp_inv_format(struct dasd_ccw_req * erp, char *sense)
 
 	if (sense[2] & SNS2_ENV_DATA_PRESENT) {
 
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Track format error when destaging or "
 			    "staging data");
 
@@ -1252,8 +1261,10 @@ dasd_3990_erp_inv_format(struct dasd_ccw_req * erp, char *sense)
 		erp = dasd_3990_erp_action_4(erp, sense);
 
 	} else {
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "Invalid Track Format - Fatal error");
+		/* internal error 06 - The track format is not valid*/
+		dev_err(&device->cdev->dev,
+			"An error occurred in the DASD device driver, "
+			"reason=%s\n", "06");
 
 		erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 	}
@@ -1279,8 +1290,8 @@ dasd_3990_erp_EOC(struct dasd_ccw_req * default_erp, char *sense)
 
 	struct dasd_device *device = default_erp->startdev;
 
-	DEV_MESSAGE(KERN_ERR, device, "%s",
-		    "End-of-Cylinder - must never happen");
+	dev_err(&device->cdev->dev,
+		"The cylinder data for accessing the DASD is inconsistent\n");
 
 	/* implement action 7 - BUG */
 	return dasd_3990_erp_cleanup(default_erp, DASD_CQR_FAILED);
@@ -1306,7 +1317,7 @@ dasd_3990_erp_env_data(struct dasd_ccw_req * erp, char *sense)
 
 	erp->function = dasd_3990_erp_env_data;
 
-	DEV_MESSAGE(KERN_DEBUG, device, "%s", "Environmental data present");
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s", "Environmental data present");
 
 	dasd_3990_handle_env_data(erp, sense);
 
@@ -1339,8 +1350,8 @@ dasd_3990_erp_no_rec(struct dasd_ccw_req * default_erp, char *sense)
 
 	struct dasd_device *device = default_erp->startdev;
 
-	DEV_MESSAGE(KERN_ERR, device, "%s",
-		    "No Record Found - Fatal error ");
+	dev_err(&device->cdev->dev,
+		    "The specified record was not found\n");
 
 	return dasd_3990_erp_cleanup(default_erp, DASD_CQR_FAILED);
 
@@ -1365,7 +1376,8 @@ dasd_3990_erp_file_prot(struct dasd_ccw_req * erp)
 
 	struct dasd_device *device = erp->startdev;
 
-	DEV_MESSAGE(KERN_ERR, device, "%s", "File Protected");
+	dev_err(&device->cdev->dev, "Accessing the DASD failed because of "
+		"a hardware error\n");
 
 	return dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 
@@ -1394,7 +1406,7 @@ static struct dasd_ccw_req *dasd_3990_erp_inspect_alias(
 	if (cqr->block &&
 	    (cqr->block->base != cqr->startdev)) {
 		if (cqr->startdev->features & DASD_FEATURE_ERPLOG) {
-			DEV_MESSAGE(KERN_ERR, cqr->startdev,
+			DBF_DEV_EVENT(DBF_ERR, cqr->startdev,
 				    "ERP on alias device for request %p,"
 				    " recover on base device %s", cqr,
 				    dev_name(&cqr->block->base->cdev->dev));
@@ -1511,7 +1523,7 @@ dasd_3990_erp_action_10_32(struct dasd_ccw_req * erp, char *sense)
 	erp->retries = 256;
 	erp->function = dasd_3990_erp_action_10_32;
 
-	DEV_MESSAGE(KERN_DEBUG, device, "%s", "Perform logging requested");
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s", "Perform logging requested");
 
 	return erp;
 
@@ -1549,7 +1561,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 	char *LO_data;		/* LO_eckd_data_t */
 	struct ccw1 *ccw, *oldccw;
 
-	DEV_MESSAGE(KERN_DEBUG, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "Write not finished because of unexpected condition");
 
 	default_erp->function = dasd_3990_erp_action_1B_32;
@@ -1561,10 +1573,16 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 		cqr = cqr->refers;
 	}
 
+	if (scsw_is_tm(&cqr->irb.scsw)) {
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+			      "32 bit sense, action 1B is not defined"
+			      " in transport mode - just retry");
+		return default_erp;
+	}
+
 	/* for imprecise ending just do default erp */
 	if (sense[1] & 0x01) {
-
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Imprecise ending is set - just retry");
 
 		return default_erp;
@@ -1575,8 +1593,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 	cpa = default_erp->refers->irb.scsw.cmd.cpa;
 
 	if (cpa == 0) {
-
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Unable to determine address of the CCW "
 			    "to be restarted");
 
@@ -1590,7 +1607,9 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 				     sizeof(struct LO_eckd_data), device);
 
 	if (IS_ERR(erp)) {
-		DEV_MESSAGE(KERN_ERR, device, "%s", "Unable to allocate ERP");
+		/* internal error 01 - Unable to allocate ERP */
+		dev_err(&device->cdev->dev, "An error occurred in the DASD "
+			"device driver, reason=%s\n", "01");
 		return dasd_3990_erp_cleanup(default_erp, DASD_CQR_FAILED);
 	}
 
@@ -1599,7 +1618,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 	oldccw = cqr->cpaddr;
 	if (oldccw->cmd_code == DASD_ECKD_CCW_PFX) {
 		PFX_data = cqr->data;
-		memcpy(DE_data, &PFX_data->define_extend,
+		memcpy(DE_data, &PFX_data->define_extent,
 		       sizeof(struct DE_eckd_data));
 	} else
 		memcpy(DE_data, cqr->data, sizeof(struct DE_eckd_data));
@@ -1608,10 +1627,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
 	LO_data = erp->data + sizeof(struct DE_eckd_data);
 
 	if ((sense[3] == 0x01) && (LO_data[1] & 0x01)) {
-
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "BUG - this should not happen");
-
+		/* should not */
 		return dasd_3990_erp_cleanup(default_erp, DASD_CQR_FAILED);
 	}
 
@@ -1701,7 +1717,7 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
 	char *LO_data;		/* struct LO_eckd_data */
 	struct ccw1 *ccw;
 
-	DEV_MESSAGE(KERN_DEBUG, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "Write not finished because of unexpected condition"
 		    " - follow on");
 
@@ -1712,10 +1728,16 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
 		cqr = cqr->refers;
 	}
 
+	if (scsw_is_tm(&cqr->irb.scsw)) {
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+			      "32 bit sense, action 1B, update,"
+			      " in transport mode - just retry");
+		return previous_erp;
+	}
+
 	/* for imprecise ending just do default erp */
 	if (sense[1] & 0x01) {
-
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Imprecise ending is set - just retry");
 
 		previous_erp->status = DASD_CQR_FILLED;
@@ -1728,10 +1750,10 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
 	cpa = previous_erp->irb.scsw.cmd.cpa;
 
 	if (cpa == 0) {
-
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
-			    "Unable to determine address of the CCW "
-			    "to be restarted");
+		/* internal error 02 -
+		   Unable to determine address of the CCW to be restarted */
+		dev_err(&device->cdev->dev, "An error occurred in the DASD "
+			"device driver, reason=%s\n", "02");
 
 		previous_erp->status = DASD_CQR_FAILED;
 
@@ -1744,10 +1766,7 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense)
 	LO_data = erp->data + sizeof(struct DE_eckd_data);
 
 	if ((sense[3] == 0x01) && (LO_data[1] & 0x01)) {
-
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "BUG - this should not happen");
-
+		/* should not happen */
 		previous_erp->status = DASD_CQR_FAILED;
 
 		return previous_erp;
@@ -1935,14 +1954,13 @@ dasd_3990_erp_compound_config(struct dasd_ccw_req * erp, char *sense)
 
 	if ((sense[25] & DASD_SENSE_BIT_1) && (sense[26] & DASD_SENSE_BIT_2)) {
 
-		/* set to suspended duplex state then restart */
+		/* set to suspended duplex state then restart
+		   internal error 05 - Set device to suspended duplex state
+		   should be done */
 		struct dasd_device *device = erp->startdev;
-
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "Set device to suspended duplex state should be "
-			    "done!\n"
-			    "This is not implemented yet (for compound ERP)"
-			    " - please report to linux390@de.ibm.com");
+		dev_err(&device->cdev->dev,
+			"An error occurred in the DASD device driver, "
+			"reason=%s\n", "05");
 
 	}
 
@@ -2012,15 +2030,14 @@ dasd_3990_erp_handle_sim(struct dasd_device *device, char *sense)
 {
 	/* print message according to log or message to operator mode */
 	if ((sense[24] & DASD_SIM_MSG_TO_OP) || (sense[1] & 0x10)) {
-
 		/* print SIM SRC from RefCode */
-		DEV_MESSAGE(KERN_ERR, device, "SIM - SRC: "
-			    "%02x%02x%02x%02x", sense[22],
+		dev_err(&device->cdev->dev, "SIM - SRC: "
+			    "%02x%02x%02x%02x\n", sense[22],
 			    sense[23], sense[11], sense[12]);
 	} else if (sense[24] & DASD_SIM_LOG) {
 		/* print SIM SRC Refcode */
-		DEV_MESSAGE(KERN_WARNING, device, "SIM - SRC: "
-			    "%02x%02x%02x%02x", sense[22],
+		dev_warn(&device->cdev->dev, "log SIM - SRC: "
+			    "%02x%02x%02x%02x\n", sense[22],
 			    sense[23], sense[11], sense[12]);
 	}
 }
@@ -2063,14 +2080,14 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 		switch (sense[25]) {
 
 		case 0x00:	/* success - use default ERP for retries */
-		        DEV_MESSAGE(KERN_DEBUG, device, "%s",
+			DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
 				    "ERP called for successful request"
 				    " - just retry");
 			break;
 
 		case 0x01:	/* fatal error */
-			DEV_MESSAGE(KERN_ERR, device, "%s",
-				    "Retry not recommended - Fatal error");
+			dev_err(&device->cdev->dev,
+				    "ERP failed for the DASD\n");
 
 			erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 			break;
@@ -2080,13 +2097,10 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 			erp = dasd_3990_erp_int_req(erp);
 			break;
 
-		case 0x0F:  /* length mismatch during update write command */
-			DEV_MESSAGE(KERN_ERR, device, "%s",
-				    "update write command error - should not "
-				    "happen;\n"
-				    "Please send this message together with "
-				    "the above sense data to linux390@de."
-				    "ibm.com");
+		case 0x0F:  /* length mismatch during update write command
+			       internal error 08 - update write command error*/
+			dev_err(&device->cdev->dev, "An error occurred in the "
+				"DASD device driver, reason=%s\n", "08");
 
 			erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 			break;
@@ -2095,13 +2109,12 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 			erp = dasd_3990_erp_action_10_32(erp, sense);
 			break;
 
-		case 0x15:	/* next track outside defined extend */
-			DEV_MESSAGE(KERN_ERR, device, "%s",
-				    "next track outside defined extend - "
-				    "should not happen;\n"
-				    "Please send this message together with "
-				    "the above sense data to linux390@de."
-				    "ibm.com");
+		case 0x15:	/* next track outside defined extend
+				   internal error 07 - The next track is not
+				   within the defined storage extent */
+			dev_err(&device->cdev->dev,
+				"An error occurred in the DASD device driver, "
+				"reason=%s\n", "07");
 
 			erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 			break;
@@ -2112,9 +2125,9 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 			break;
 
 		case 0x1C:	/* invalid data */
-			DEV_MESSAGE(KERN_EMERG, device, "%s",
+			dev_emerg(&device->cdev->dev,
 				    "Data recovered during retry with PCI "
-				    "fetch mode active");
+				    "fetch mode active\n");
 
 			/* not possible to handle this situation in Linux */
 			panic
@@ -2123,7 +2136,7 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 			break;
 
 		case 0x1D:	/* state-change pending */
-			DEV_MESSAGE(KERN_DEBUG, device, "%s",
+			DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 				    "A State change pending condition exists "
 				    "for the subsystem or device");
 
@@ -2131,7 +2144,7 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 			break;
 
 		case 0x1E:	/* busy */
-                        DEV_MESSAGE(KERN_DEBUG, device, "%s",
+			DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 				    "Busy condition exists "
 				    "for the subsystem or device");
                         erp = dasd_3990_erp_action_4(erp, sense);
@@ -2171,9 +2184,9 @@ dasd_3990_erp_control_check(struct dasd_ccw_req *erp)
 {
 	struct dasd_device *device = erp->startdev;
 
-	if (erp->refers->irb.scsw.cmd.cstat & (SCHN_STAT_INTF_CTRL_CHK
+	if (scsw_cstat(&erp->refers->irb.scsw) & (SCHN_STAT_INTF_CTRL_CHK
 					   | SCHN_STAT_CHN_CTRL_CHK)) {
-		DEV_MESSAGE(KERN_DEBUG, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "channel or interface control check");
 		erp = dasd_3990_erp_action_4(erp, NULL);
 	}
@@ -2193,21 +2206,23 @@ dasd_3990_erp_control_check(struct dasd_ccw_req *erp)
  *   erp_new		contens was possibly modified
  */
 static struct dasd_ccw_req *
-dasd_3990_erp_inspect(struct dasd_ccw_req * erp)
+dasd_3990_erp_inspect(struct dasd_ccw_req *erp)
 {
 
 	struct dasd_ccw_req *erp_new = NULL;
-	/* sense data are located in the refers record of the */
-	/* already set up new ERP !			      */
-	char *sense = erp->refers->irb.ecw;
+	char *sense;
 
 	/* if this problem occured on an alias retry on base */
 	erp_new = dasd_3990_erp_inspect_alias(erp);
 	if (erp_new)
 		return erp_new;
 
-	/* check if no concurrent sens is available */
-	if (!erp->refers->irb.esw.esw0.erw.cons)
+	/* sense data are located in the refers record of the
+	 * already set up new ERP !
+	 * check if concurrent sens is available
+	 */
+	sense = dasd_get_sense(&erp->refers->irb);
+	if (!sense)
 		erp_new = dasd_3990_erp_control_check(erp);
 	/* distinguish between 24 and 32 byte sense data */
 	else if (sense[27] & DASD_SENSE_BIT_0) {
@@ -2231,7 +2246,11 @@ dasd_3990_erp_inspect(struct dasd_ccw_req * erp)
  * DESCRIPTION
  *   This funtion adds an additional request block (ERP) to the head of
  *   the given cqr (or erp).
- *   This erp is initialized as an default erp (retry TIC)
+ *   For a command mode cqr the erp is initialized as an default erp
+ *   (retry TIC).
+ *   For transport mode we make a copy of the original TCW (points to
+ *   the original TCCB, TIDALs, etc.) but give it a fresh
+ *   TSB so the original sense data will not be changed.
  *
  * PARAMETER
  *   cqr		head of the current ERP-chain (or single cqr if
@@ -2239,25 +2258,35 @@ dasd_3990_erp_inspect(struct dasd_ccw_req * erp)
  * RETURN VALUES
  *   erp		pointer to new ERP-chain head
  */
-static struct dasd_ccw_req *
-dasd_3990_erp_add_erp(struct dasd_ccw_req * cqr)
+static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 {
 
 	struct dasd_device *device = cqr->startdev;
 	struct ccw1 *ccw;
-
-	/* allocate additional request block */
 	struct dasd_ccw_req *erp;
+	int cplength, datasize;
+	struct tcw *tcw;
+	struct tsb *tsb;
+
+	if (cqr->cpmode == 1) {
+		cplength = 0;
+		datasize = sizeof(struct tcw) + sizeof(struct tsb);
+	} else {
+		cplength = 2;
+		datasize = 0;
+	}
 
-	erp = dasd_alloc_erp_request((char *) &cqr->magic, 2, 0, device);
+	/* allocate additional request block */
+	erp = dasd_alloc_erp_request((char *) &cqr->magic,
+				     cplength, datasize, device);
 	if (IS_ERR(erp)) {
                 if (cqr->retries <= 0) {
-		        DEV_MESSAGE(KERN_ERR, device, "%s",
+			DBF_DEV_EVENT(DBF_ERR, device, "%s",
 				    "Unable to allocate ERP request");
 			cqr->status = DASD_CQR_FAILED;
                         cqr->stopclk = get_clock ();
 		} else {
-                        DEV_MESSAGE (KERN_ERR, device,
+			DBF_DEV_EVENT(DBF_ERR, device,
                                      "Unable to allocate ERP request "
 				     "(%i retries left)",
                                      cqr->retries);
@@ -2266,13 +2295,24 @@ dasd_3990_erp_add_erp(struct dasd_ccw_req * cqr)
 		return cqr;
 	}
 
-	/* initialize request with default TIC to current ERP/CQR */
-	ccw = erp->cpaddr;
-	ccw->cmd_code = CCW_CMD_NOOP;
-	ccw->flags = CCW_FLAG_CC;
-	ccw++;
-	ccw->cmd_code = CCW_CMD_TIC;
-	ccw->cda      = (long)(cqr->cpaddr);
+	if (cqr->cpmode == 1) {
+		/* make a shallow copy of the original tcw but set new tsb */
+		erp->cpmode = 1;
+		erp->cpaddr = erp->data;
+		tcw = erp->data;
+		tsb = (struct tsb *) &tcw[1];
+		*tcw = *((struct tcw *)cqr->cpaddr);
+		tcw->tsb = (long)tsb;
+	} else {
+		/* initialize request with default TIC to current ERP/CQR */
+		ccw = erp->cpaddr;
+		ccw->cmd_code = CCW_CMD_NOOP;
+		ccw->flags = CCW_FLAG_CC;
+		ccw++;
+		ccw->cmd_code = CCW_CMD_TIC;
+		ccw->cda      = (long)(cqr->cpaddr);
+	}
+
 	erp->function = dasd_3990_erp_add_erp;
 	erp->refers   = cqr;
 	erp->startdev = device;
@@ -2282,7 +2322,6 @@ dasd_3990_erp_add_erp(struct dasd_ccw_req * cqr)
 	erp->expires  = 0;
 	erp->retries  = 256;
 	erp->buildclk = get_clock();
-
 	erp->status = DASD_CQR_FILLED;
 
 	return erp;
@@ -2340,28 +2379,33 @@ dasd_3990_erp_additional_erp(struct dasd_ccw_req * cqr)
  *   match		'boolean' for match found
  *			returns 1 if match found, otherwise 0.
  */
-static int
-dasd_3990_erp_error_match(struct dasd_ccw_req *cqr1, struct dasd_ccw_req *cqr2)
+static int dasd_3990_erp_error_match(struct dasd_ccw_req *cqr1,
+				     struct dasd_ccw_req *cqr2)
 {
+	char *sense1, *sense2;
 
 	if (cqr1->startdev != cqr2->startdev)
 		return 0;
 
-	if (cqr1->irb.esw.esw0.erw.cons != cqr2->irb.esw.esw0.erw.cons)
-		return 0;
+	sense1 = dasd_get_sense(&cqr1->irb);
+	sense2 = dasd_get_sense(&cqr2->irb);
 
-	if ((cqr1->irb.esw.esw0.erw.cons == 0) &&
-	    (cqr2->irb.esw.esw0.erw.cons == 0))	{
-		if ((cqr1->irb.scsw.cmd.cstat & (SCHN_STAT_INTF_CTRL_CHK |
-					     SCHN_STAT_CHN_CTRL_CHK)) ==
-		    (cqr2->irb.scsw.cmd.cstat & (SCHN_STAT_INTF_CTRL_CHK |
-					     SCHN_STAT_CHN_CTRL_CHK)))
+	/* one request has sense data, the other not -> no match, return 0 */
+	if (!sense1 != !sense2)
+		return 0;
+	/* no sense data in both cases -> check cstat for IFCC */
+	if (!sense1 && !sense2)	{
+		if ((scsw_cstat(&cqr1->irb.scsw) & (SCHN_STAT_INTF_CTRL_CHK |
+						    SCHN_STAT_CHN_CTRL_CHK)) ==
+		    (scsw_cstat(&cqr2->irb.scsw) & (SCHN_STAT_INTF_CTRL_CHK |
+						    SCHN_STAT_CHN_CTRL_CHK)))
 			return 1; /* match with ifcc*/
 	}
 	/* check sense data; byte 0-2,25,27 */
-	if (!((memcmp (cqr1->irb.ecw, cqr2->irb.ecw, 3) == 0) &&
-	      (cqr1->irb.ecw[27] == cqr2->irb.ecw[27]) &&
-	      (cqr1->irb.ecw[25] == cqr2->irb.ecw[25]))) {
+	if (!(sense1 && sense2 &&
+	      (memcmp(sense1, sense2, 3) == 0) &&
+	      (sense1[27] == sense2[27]) &&
+	      (sense1[25] == sense2[25]))) {
 
 		return 0;	/* sense doesn't match */
 	}
@@ -2434,7 +2478,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
 {
 
 	struct dasd_device *device = erp->startdev;
-	char *sense = erp->irb.ecw;
+	char *sense = dasd_get_sense(&erp->irb);
 
 	/* check for 24 byte sense ERP */
 	if ((erp->function == dasd_3990_erp_bus_out) ||
@@ -2449,7 +2493,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
 		/* prepare erp for retry on different channel path */
 		erp = dasd_3990_erp_action_1(erp);
 
-		if (!(sense[2] & DASD_SENSE_BIT_0)) {
+		if (sense && !(sense[2] & DASD_SENSE_BIT_0)) {
 
 			/* issue a Diagnostic Control command with an
 			 * Inhibit Write subcommand */
@@ -2471,7 +2515,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
 					break;
 				}
 			default:
-				DEV_MESSAGE(KERN_DEBUG, device,
+				DBF_DEV_EVENT(DBF_WARNING, device,
 					    "invalid subcommand modifier 0x%x "
 					    "for Diagnostic Control Command",
 					    sense[25]);
@@ -2479,19 +2523,21 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp)
 		}
 
 		/* check for 32 byte sense ERP */
-	} else if ((erp->function == dasd_3990_erp_compound_retry) ||
-		   (erp->function == dasd_3990_erp_compound_path) ||
-		   (erp->function == dasd_3990_erp_compound_code) ||
-		   (erp->function == dasd_3990_erp_compound_config)) {
+	} else if (sense &&
+		   ((erp->function == dasd_3990_erp_compound_retry) ||
+		    (erp->function == dasd_3990_erp_compound_path) ||
+		    (erp->function == dasd_3990_erp_compound_code) ||
+		    (erp->function == dasd_3990_erp_compound_config))) {
 
 		erp = dasd_3990_erp_compound(erp, sense);
 
 	} else {
-		/* No retry left and no additional special handling */
-		/*necessary */
-		DEV_MESSAGE(KERN_ERR, device,
-			    "no retries left for erp %p - "
-			    "set status to FAILED", erp);
+		/*
+		 * No retry left and no additional special handling
+		 * necessary
+		 */
+		dev_err(&device->cdev->dev,
+			"ERP %p has run out of retries and failed\n", erp);
 
 		erp->status = DASD_CQR_FAILED;
 	}
@@ -2548,24 +2594,25 @@ dasd_3990_erp_handle_match_erp(struct dasd_ccw_req *erp_head,
 
 	if (erp->retries > 0) {
 
-		char *sense = erp->refers->irb.ecw;
+		char *sense = dasd_get_sense(&erp->refers->irb);
 
 		/* check for special retries */
-		if (erp->function == dasd_3990_erp_action_4) {
+		if (sense && erp->function == dasd_3990_erp_action_4) {
 
 			erp = dasd_3990_erp_action_4(erp, sense);
 
-		} else if (erp->function == dasd_3990_erp_action_1B_32) {
+		} else if (sense &&
+			   erp->function == dasd_3990_erp_action_1B_32) {
 
 			erp = dasd_3990_update_1B(erp, sense);
 
-		} else if (erp->function == dasd_3990_erp_int_req) {
+		} else if (sense && erp->function == dasd_3990_erp_int_req) {
 
 			erp = dasd_3990_erp_int_req(erp);
 
 		} else {
 			/* simple retry	  */
-			DEV_MESSAGE(KERN_DEBUG, device,
+			DBF_DEV_EVENT(DBF_DEBUG, device,
 				    "%i retries left for erp %p",
 				    erp->retries, erp);
 
@@ -2609,24 +2656,24 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
 
 	if (device->features & DASD_FEATURE_ERPLOG) {
 		/* print current erp_chain */
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "ERP chain at BEGINNING of ERP-ACTION");
+		dev_err(&device->cdev->dev,
+			    "ERP chain at BEGINNING of ERP-ACTION\n");
 		for (temp_erp = cqr;
 		     temp_erp != NULL; temp_erp = temp_erp->refers) {
 
-			DEV_MESSAGE(KERN_ERR, device,
-				    "   erp %p (%02x) refers to %p",
+			dev_err(&device->cdev->dev,
+				    "ERP %p (%02x) refers to %p\n",
 				    temp_erp, temp_erp->status,
 				    temp_erp->refers);
 		}
 	}
 
 	/* double-check if current erp/cqr was successful */
-	if ((cqr->irb.scsw.cmd.cstat == 0x00) &&
-	    (cqr->irb.scsw.cmd.dstat ==
+	if ((scsw_cstat(&cqr->irb.scsw) == 0x00) &&
+	    (scsw_dstat(&cqr->irb.scsw) ==
 	     (DEV_STAT_CHN_END | DEV_STAT_DEV_END))) {
 
-		DEV_MESSAGE(KERN_DEBUG, device,
+		DBF_DEV_EVENT(DBF_DEBUG, device,
 			    "ERP called for successful request %p"
 			    " - NO ERP necessary", cqr);
 
@@ -2648,13 +2695,13 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
 
 	if (device->features & DASD_FEATURE_ERPLOG) {
 		/* print current erp_chain */
-		DEV_MESSAGE(KERN_ERR, device, "%s",
-			    "ERP chain at END of ERP-ACTION");
+		dev_err(&device->cdev->dev,
+			    "ERP chain at END of ERP-ACTION\n");
 		for (temp_erp = erp;
 		     temp_erp != NULL; temp_erp = temp_erp->refers) {
 
-			DEV_MESSAGE(KERN_ERR, device,
-				    "   erp %p (%02x) refers to %p",
+			dev_err(&device->cdev->dev,
+				    "ERP %p (%02x) refers to %p\n",
 				    temp_erp, temp_erp->status,
 				    temp_erp->refers);
 		}
@@ -2667,6 +2714,8 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
 		list_add_tail(&erp->blocklist, &cqr->blocklist);
 	}
 
+
+
 	return erp;
 
 }				/* end dasd_3990_erp_action */
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 20676cdef4a5..5b7bbc87593b 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -5,6 +5,8 @@
  * Author(s): Stefan Weinhuber <wein@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/list.h>
 #include <asm/ebcdic.h>
 #include "dasd_int.h"
@@ -503,7 +505,7 @@ static void lcu_update_work(struct work_struct *work)
 	 */
 	spin_lock_irqsave(&lcu->lock, flags);
 	if (rc || (lcu->flags & NEED_UAC_UPDATE)) {
-		DEV_MESSAGE(KERN_WARNING, device, "could not update"
+		DBF_DEV_EVENT(DBF_WARNING, device, "could not update"
 			    " alias data in lcu (rc = %d), retry later", rc);
 		schedule_delayed_work(&lcu->ruac_data.dwork, 30*HZ);
 	} else {
@@ -646,14 +648,16 @@ static int reset_summary_unit_check(struct alias_lcu *lcu,
 {
 	struct dasd_ccw_req *cqr;
 	int rc = 0;
+	struct ccw1 *ccw;
 
 	cqr = lcu->rsu_cqr;
 	strncpy((char *) &cqr->magic, "ECKD", 4);
 	ASCEBC((char *) &cqr->magic, 4);
-	cqr->cpaddr->cmd_code = DASD_ECKD_CCW_RSCK;
-	cqr->cpaddr->flags = 0 ;
-	cqr->cpaddr->count = 16;
-	cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
+	ccw = cqr->cpaddr;
+	ccw->cmd_code = DASD_ECKD_CCW_RSCK;
+	ccw->flags = 0 ;
+	ccw->count = 16;
+	ccw->cda = (__u32)(addr_t) cqr->data;
 	((char *)cqr->data)[0] = reason;
 
 	clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -855,16 +859,25 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
 	struct alias_lcu *lcu;
 	char reason;
 	struct dasd_eckd_private *private;
+	char *sense;
 
 	private = (struct dasd_eckd_private *) device->private;
 
-	reason = irb->ecw[8];
-	DEV_MESSAGE(KERN_WARNING, device, "%s %x",
-		    "eckd handle summary unit check: reason", reason);
+	sense = dasd_get_sense(irb);
+	if (sense) {
+		reason = sense[8];
+		DBF_DEV_EVENT(DBF_NOTICE, device, "%s %x",
+			    "eckd handle summary unit check: reason", reason);
+	} else {
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+			    "eckd handle summary unit check:"
+			    " no reason code available");
+		return;
+	}
 
 	lcu = private->lcu;
 	if (!lcu) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "device not ready to handle summary"
 			    " unit check (no lcu structure)");
 		return;
@@ -877,7 +890,7 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
 	 * the next interrupt on a different device
 	 */
 	if (list_empty(&device->alias_list)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "device is in offline processing,"
 			    " don't do summary unit check handling");
 		spin_unlock(&lcu->lock);
@@ -885,7 +898,7 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
 	}
 	if (lcu->suc_data.device) {
 		/* already scheduled or running */
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "previous instance of summary unit check worker"
 			    " still pending");
 		spin_unlock(&lcu->lock);
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 34339902efb9..e77666c8e6c0 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -13,6 +13,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -67,6 +69,8 @@ int dasd_probeonly =  0;	/* is true, when probeonly mode is active */
 int dasd_autodetect = 0;	/* is true, when autodetection is active */
 int dasd_nopav = 0;		/* is true, when PAV is disabled */
 EXPORT_SYMBOL_GPL(dasd_nopav);
+int dasd_nofcx;			/* disable High Performance Ficon */
+EXPORT_SYMBOL_GPL(dasd_nofcx);
 
 /*
  * char *dasd[] is intended to hold the ranges supplied by the dasd= statement
@@ -125,6 +129,7 @@ __setup ("dasd=", dasd_call_setup);
  * Read a device busid/devno from a string.
  */
 static int
+
 dasd_busid(char **str, int *id0, int *id1, int *devno)
 {
 	int val, old_style;
@@ -132,8 +137,7 @@ dasd_busid(char **str, int *id0, int *id1, int *devno)
 	/* Interpret ipldev busid */
 	if (strncmp(DASD_IPLDEV, *str, strlen(DASD_IPLDEV)) == 0) {
 		if (ipl_info.type != IPL_TYPE_CCW) {
-			MESSAGE(KERN_ERR, "%s", "ipl device is not a ccw "
-				"device");
+			pr_err("The IPL device is not a CCW device\n");
 			return -EINVAL;
 		}
 		*id0 = 0;
@@ -209,9 +213,8 @@ dasd_feature_list(char *str, char **endp)
 		else if (len == 8 && !strncmp(str, "failfast", 8))
 			features |= DASD_FEATURE_FAILFAST;
 		else {
-			MESSAGE(KERN_WARNING,
-				"unsupported feature: %*s, "
-				"ignoring setting", len, str);
+			pr_warning("%*s is not a supported device option\n",
+				   len, str);
 			rc = -EINVAL;
 		}
 		str += len;
@@ -220,8 +223,8 @@ dasd_feature_list(char *str, char **endp)
 		str++;
 	}
 	if (*str != ')') {
-		MESSAGE(KERN_WARNING, "%s",
-			"missing ')' in dasd parameter string\n");
+		pr_warning("A closing parenthesis ')' is missing in the "
+			   "dasd= parameter\n");
 		rc = -EINVAL;
 	} else
 		str++;
@@ -253,25 +256,29 @@ dasd_parse_keyword( char *parsestring ) {
         }
 	if (strncmp("autodetect", parsestring, length) == 0) {
 		dasd_autodetect = 1;
-		MESSAGE (KERN_INFO, "%s",
-			 "turning to autodetection mode");
+		pr_info("The autodetection mode has been activated\n");
                 return residual_str;
         }
 	if (strncmp("probeonly", parsestring, length) == 0) {
 		dasd_probeonly = 1;
-		MESSAGE(KERN_INFO, "%s",
-			"turning to probeonly mode");
+		pr_info("The probeonly mode has been activated\n");
                 return residual_str;
         }
 	if (strncmp("nopav", parsestring, length) == 0) {
 		if (MACHINE_IS_VM)
-			MESSAGE(KERN_INFO, "%s", "'nopav' not supported on VM");
+			pr_info("'nopav' is not supported on z/VM\n");
 		else {
 			dasd_nopav = 1;
-			MESSAGE(KERN_INFO, "%s", "disable PAV mode");
+			pr_info("PAV support has be deactivated\n");
 		}
 		return residual_str;
 	}
+	if (strncmp("nofcx", parsestring, length) == 0) {
+		dasd_nofcx = 1;
+		pr_info("High Performance FICON support has been "
+			"deactivated\n");
+		return residual_str;
+	}
 	if (strncmp("fixedbuffers", parsestring, length) == 0) {
 		if (dasd_page_cache)
 			return residual_str;
@@ -280,10 +287,10 @@ dasd_parse_keyword( char *parsestring ) {
 					  PAGE_SIZE, SLAB_CACHE_DMA,
 					  NULL);
 		if (!dasd_page_cache)
-			MESSAGE(KERN_WARNING, "%s", "Failed to create slab, "
+			DBF_EVENT(DBF_WARNING, "%s", "Failed to create slab, "
 				"fixed buffer mode disabled.");
 		else
-			MESSAGE (KERN_INFO, "%s",
+			DBF_EVENT(DBF_INFO, "%s",
 				 "turning on fixed buffer mode");
                 return residual_str;
         }
@@ -321,7 +328,7 @@ dasd_parse_range( char *parsestring ) {
 	    (from_id0 != to_id0 || from_id1 != to_id1 || from > to))
 		rc = -EINVAL;
 	if (rc) {
-		MESSAGE(KERN_ERR, "Invalid device range %s", parsestring);
+		pr_err("%s is not a valid device range\n", parsestring);
 		return ERR_PTR(rc);
 	}
 	features = dasd_feature_list(str, &str);
@@ -340,8 +347,8 @@ dasd_parse_range( char *parsestring ) {
 		return str + 1;
 	if (*str == '\0')
 		return str;
-	MESSAGE(KERN_WARNING,
-		"junk at end of dasd parameter string: %s\n", str);
+	pr_warning("The dasd= parameter value %s has an invalid ending\n",
+		   str);
 	return ERR_PTR(-EINVAL);
 }
 
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index ef2a56952054..b9a7f7733446 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -8,6 +8,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -144,8 +146,8 @@ dasd_diag_erp(struct dasd_device *device)
 	mdsk_term_io(device);
 	rc = mdsk_init_io(device, device->block->bp_block, 0, NULL);
 	if (rc)
-		DEV_MESSAGE(KERN_WARNING, device, "DIAG ERP unsuccessful, "
-			    "rc=%d", rc);
+		dev_warn(&device->cdev->dev, "DIAG ERP failed with "
+			    "rc=%d\n", rc);
 }
 
 /* Start a given request at the device. Return zero on success, non-zero
@@ -160,7 +162,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
 
 	device = cqr->startdev;
 	if (cqr->retries < 0) {
-		DEV_MESSAGE(KERN_WARNING, device, "DIAG start_IO: request %p "
+		DBF_DEV_EVENT(DBF_ERR, device, "DIAG start_IO: request %p "
 			    "- no retry left)", cqr);
 		cqr->status = DASD_CQR_ERROR;
 		return -EIO;
@@ -195,7 +197,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
 		break;
 	default: /* Error condition */
 		cqr->status = DASD_CQR_QUEUED;
-		DEV_MESSAGE(KERN_WARNING, device, "dia250 returned rc=%d", rc);
+		DBF_DEV_EVENT(DBF_WARNING, device, "dia250 returned rc=%d", rc);
 		dasd_diag_erp(device);
 		rc = -EIO;
 		break;
@@ -243,13 +245,14 @@ dasd_ext_handler(__u16 code)
 		return;
 	}
 	if (!ip) {		/* no intparm: unsolicited interrupt */
-		MESSAGE(KERN_DEBUG, "%s", "caught unsolicited interrupt");
+		DBF_EVENT(DBF_NOTICE, "%s", "caught unsolicited "
+			      "interrupt");
 		return;
 	}
 	cqr = (struct dasd_ccw_req *) ip;
 	device = (struct dasd_device *) cqr->startdev;
 	if (strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
-		DEV_MESSAGE(KERN_WARNING, device,
+		DBF_DEV_EVENT(DBF_WARNING, device,
 			    " magic number of dasd_ccw_req 0x%08X doesn't"
 			    " match discipline 0x%08X",
 			    cqr->magic, *(int *) (&device->discipline->name));
@@ -281,15 +284,11 @@ dasd_ext_handler(__u16 code)
 				rc = dasd_start_diag(next);
 				if (rc == 0)
 					expires = next->expires;
-				else if (rc != -EACCES)
-					DEV_MESSAGE(KERN_WARNING, device, "%s",
-						    "Interrupt fastpath "
-						    "failed!");
 			}
 		}
 	} else {
 		cqr->status = DASD_CQR_QUEUED;
-		DEV_MESSAGE(KERN_WARNING, device, "interrupt status for "
+		DBF_DEV_EVENT(DBF_DEBUG, device, "interrupt status for "
 			    "request %p was %d (%d retries left)", cqr, status,
 			    cqr->retries);
 		dasd_diag_erp(device);
@@ -322,8 +321,9 @@ dasd_diag_check_device(struct dasd_device *device)
 	if (private == NULL) {
 		private = kzalloc(sizeof(struct dasd_diag_private),GFP_KERNEL);
 		if (private == NULL) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				"memory allocation failed for private data");
+			DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+				"Allocating memory for private DASD data "
+				      "failed\n");
 			return -ENOMEM;
 		}
 		ccw_device_get_id(device->cdev, &private->dev_id);
@@ -331,7 +331,7 @@ dasd_diag_check_device(struct dasd_device *device)
 	}
 	block = dasd_alloc_block();
 	if (IS_ERR(block)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "could not allocate dasd block structure");
 		device->private = NULL;
 		kfree(private);
@@ -347,7 +347,7 @@ dasd_diag_check_device(struct dasd_device *device)
 
 	rc = diag210((struct diag210 *) rdc_data);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device, "failed to retrieve device "
+		DBF_DEV_EVENT(DBF_WARNING, device, "failed to retrieve device "
 			    "information (rc=%d)", rc);
 		rc = -EOPNOTSUPP;
 		goto out;
@@ -362,8 +362,8 @@ dasd_diag_check_device(struct dasd_device *device)
 		private->pt_block = 2;
 		break;
 	default:
-		DEV_MESSAGE(KERN_WARNING, device, "unsupported device class "
-			    "(class=%d)", private->rdc_data.vdev_class);
+		dev_warn(&device->cdev->dev, "Device type %d is not supported "
+			    "in DIAG mode\n", private->rdc_data.vdev_class);
 		rc = -EOPNOTSUPP;
 		goto out;
 	}
@@ -380,7 +380,7 @@ dasd_diag_check_device(struct dasd_device *device)
 	/* figure out blocksize of device */
 	label = (struct vtoc_cms_label *) get_zeroed_page(GFP_KERNEL);
 	if (label == NULL)  {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "No memory to allocate initialization request");
 		rc = -ENOMEM;
 		goto out;
@@ -404,8 +404,8 @@ dasd_diag_check_device(struct dasd_device *device)
 		private->iob.flaga = DASD_DIAG_FLAGA_DEFAULT;
 		rc = dia250(&private->iob, RW_BIO);
 		if (rc == 3) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				"DIAG call failed");
+			dev_warn(&device->cdev->dev,
+				"A 64-bit DIAG call failed\n");
 			rc = -EOPNOTSUPP;
 			goto out_label;
 		}
@@ -414,8 +414,8 @@ dasd_diag_check_device(struct dasd_device *device)
 			break;
 	}
 	if (bsize > PAGE_SIZE) {
-		DEV_MESSAGE(KERN_WARNING, device, "device access failed "
-			    "(rc=%d)", rc);
+		dev_warn(&device->cdev->dev, "Accessing the DASD failed because"
+			 " of an incorrect format (rc=%d)\n", rc);
 		rc = -EIO;
 		goto out_label;
 	}
@@ -433,15 +433,15 @@ dasd_diag_check_device(struct dasd_device *device)
 		block->s2b_shift++;
 	rc = mdsk_init_io(device, block->bp_block, 0, NULL);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device, "DIAG initialization "
-			"failed (rc=%d)", rc);
+		dev_warn(&device->cdev->dev, "DIAG initialization "
+			"failed with rc=%d\n", rc);
 		rc = -EIO;
 	} else {
-		DEV_MESSAGE(KERN_INFO, device,
-			    "(%ld B/blk): %ldkB",
-			    (unsigned long) block->bp_block,
-			    (unsigned long) (block->blocks <<
-				block->s2b_shift) >> 1);
+		dev_info(&device->cdev->dev,
+			 "New DASD with %ld byte/block, total size %ld KB\n",
+			 (unsigned long) block->bp_block,
+			 (unsigned long) (block->blocks <<
+					  block->s2b_shift) >> 1);
 	}
 out_label:
 	free_page((long) label);
@@ -595,7 +595,7 @@ static void
 dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		     struct irb *stat)
 {
-	DEV_MESSAGE(KERN_ERR, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "dump sense not available for DIAG data");
 }
 
@@ -621,10 +621,8 @@ static int __init
 dasd_diag_init(void)
 {
 	if (!MACHINE_IS_VM) {
-		MESSAGE_LOG(KERN_INFO,
-			    "Machine is not VM: %s "
-			    "discipline not initializing",
-			    dasd_diag_discipline.name);
+		pr_info("Discipline %s cannot be used without z/VM\n",
+			dasd_diag_discipline.name);
 		return -ENODEV;
 	}
 	ASCEBC(dasd_diag_discipline.ebcname, 4);
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index bdb87998f364..21254793c604 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -11,6 +11,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -27,9 +29,12 @@
 #include <asm/uaccess.h>
 #include <asm/cio.h>
 #include <asm/ccwdev.h>
+#include <asm/itcw.h>
 
 #include "dasd_int.h"
 #include "dasd_eckd.h"
+#include "../cio/chsc.h"
+
 
 #ifdef PRINTK_HEADER
 #undef PRINTK_HEADER
@@ -84,7 +89,7 @@ dasd_eckd_probe (struct ccw_device *cdev)
 	/* set ECKD specific ccw-device options */
 	ret = ccw_device_set_options(cdev, CCWDEV_ALLOW_FORCE);
 	if (ret) {
-		printk(KERN_WARNING
+		DBF_EVENT(DBF_WARNING,
 		       "dasd_eckd_probe: could not set ccw-device options "
 		       "for %s\n", dev_name(&cdev->dev));
 		return ret;
@@ -159,6 +164,14 @@ recs_per_track(struct dasd_eckd_characteristics * rdc,
 	return 0;
 }
 
+static void set_ch_t(struct ch_t *geo, __u32 cyl, __u8 head)
+{
+	geo->cyl = (__u16) cyl;
+	geo->head = cyl >> 16;
+	geo->head <<= 4;
+	geo->head |= head;
+}
+
 static int
 check_XRC (struct ccw1         *de_ccw,
            struct DE_eckd_data *data,
@@ -186,11 +199,12 @@ check_XRC (struct ccw1         *de_ccw,
 }
 
 static int
-define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
-	      int totrk, int cmd, struct dasd_device * device)
+define_extent(struct ccw1 *ccw, struct DE_eckd_data *data, unsigned int trk,
+	      unsigned int totrk, int cmd, struct dasd_device *device)
 {
 	struct dasd_eckd_private *private;
-	struct ch_t geo, beg, end;
+	u32 begcyl, endcyl;
+	u16 heads, beghead, endhead;
 	int rc = 0;
 
 	private = (struct dasd_eckd_private *) device->private;
@@ -236,7 +250,8 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
 		rc = check_XRC (ccw, data, device);
 		break;
 	default:
-		DEV_MESSAGE(KERN_ERR, device, "unknown opcode 0x%x", cmd);
+		dev_err(&device->cdev->dev,
+			"0x%x is not a known command\n", cmd);
 		break;
 	}
 
@@ -248,27 +263,24 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
 	    && !(private->uses_cdl && trk < 2))
 		data->ga_extended |= 0x40; /* Regular Data Format Mode */
 
-	geo.cyl = private->rdc_data.no_cyl;
-	geo.head = private->rdc_data.trk_per_cyl;
-	beg.cyl = trk / geo.head;
-	beg.head = trk % geo.head;
-	end.cyl = totrk / geo.head;
-	end.head = totrk % geo.head;
+	heads = private->rdc_data.trk_per_cyl;
+	begcyl = trk / heads;
+	beghead = trk % heads;
+	endcyl = totrk / heads;
+	endhead = totrk % heads;
 
 	/* check for sequential prestage - enhance cylinder range */
 	if (data->attributes.operation == DASD_SEQ_PRESTAGE ||
 	    data->attributes.operation == DASD_SEQ_ACCESS) {
 
-		if (end.cyl + private->attrib.nr_cyl < geo.cyl)
-			end.cyl += private->attrib.nr_cyl;
+		if (endcyl + private->attrib.nr_cyl < private->real_cyl)
+			endcyl += private->attrib.nr_cyl;
 		else
-			end.cyl = (geo.cyl - 1);
+			endcyl = (private->real_cyl - 1);
 	}
 
-	data->beg_ext.cyl = beg.cyl;
-	data->beg_ext.head = beg.head;
-	data->end_ext.cyl = end.cyl;
-	data->end_ext.head = end.head;
+	set_ch_t(&data->beg_ext, begcyl, beghead);
+	set_ch_t(&data->end_ext, endcyl, endhead);
 	return rc;
 }
 
@@ -283,29 +295,145 @@ static int check_XRC_on_prefix(struct PFX_eckd_data *pfxdata,
 		return 0;
 
 	/* switch on System Time Stamp - needed for XRC Support */
-	pfxdata->define_extend.ga_extended |= 0x08; /* 'Time Stamp Valid'   */
-	pfxdata->define_extend.ga_extended |= 0x02; /* 'Extended Parameter' */
+	pfxdata->define_extent.ga_extended |= 0x08; /* 'Time Stamp Valid'   */
+	pfxdata->define_extent.ga_extended |= 0x02; /* 'Extended Parameter' */
 	pfxdata->validity.time_stamp = 1;	    /* 'Time Stamp Valid'   */
 
-	rc = get_sync_clock(&pfxdata->define_extend.ep_sys_time);
+	rc = get_sync_clock(&pfxdata->define_extent.ep_sys_time);
 	/* Ignore return code if sync clock is switched off. */
 	if (rc == -ENOSYS || rc == -EACCES)
 		rc = 0;
 	return rc;
 }
 
-static int prefix(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata, int trk,
-		  int totrk, int cmd, struct dasd_device *basedev,
-		  struct dasd_device *startdev)
+static void fill_LRE_data(struct LRE_eckd_data *data, unsigned int trk,
+			  unsigned int rec_on_trk, int count, int cmd,
+			  struct dasd_device *device, unsigned int reclen,
+			  unsigned int tlf)
+{
+	struct dasd_eckd_private *private;
+	int sector;
+	int dn, d;
+
+	private = (struct dasd_eckd_private *) device->private;
+
+	memset(data, 0, sizeof(*data));
+	sector = 0;
+	if (rec_on_trk) {
+		switch (private->rdc_data.dev_type) {
+		case 0x3390:
+			dn = ceil_quot(reclen + 6, 232);
+			d = 9 + ceil_quot(reclen + 6 * (dn + 1), 34);
+			sector = (49 + (rec_on_trk - 1) * (10 + d)) / 8;
+			break;
+		case 0x3380:
+			d = 7 + ceil_quot(reclen + 12, 32);
+			sector = (39 + (rec_on_trk - 1) * (8 + d)) / 7;
+			break;
+		}
+	}
+	data->sector = sector;
+	/* note: meaning of count depends on the operation
+	 *	 for record based I/O it's the number of records, but for
+	 *	 track based I/O it's the number of tracks
+	 */
+	data->count = count;
+	switch (cmd) {
+	case DASD_ECKD_CCW_WRITE_HOME_ADDRESS:
+		data->operation.orientation = 0x3;
+		data->operation.operation = 0x03;
+		break;
+	case DASD_ECKD_CCW_READ_HOME_ADDRESS:
+		data->operation.orientation = 0x3;
+		data->operation.operation = 0x16;
+		break;
+	case DASD_ECKD_CCW_WRITE_RECORD_ZERO:
+		data->operation.orientation = 0x1;
+		data->operation.operation = 0x03;
+		data->count++;
+		break;
+	case DASD_ECKD_CCW_READ_RECORD_ZERO:
+		data->operation.orientation = 0x3;
+		data->operation.operation = 0x16;
+		data->count++;
+		break;
+	case DASD_ECKD_CCW_WRITE:
+	case DASD_ECKD_CCW_WRITE_MT:
+	case DASD_ECKD_CCW_WRITE_KD:
+	case DASD_ECKD_CCW_WRITE_KD_MT:
+		data->auxiliary.length_valid = 0x1;
+		data->length = reclen;
+		data->operation.operation = 0x01;
+		break;
+	case DASD_ECKD_CCW_WRITE_CKD:
+	case DASD_ECKD_CCW_WRITE_CKD_MT:
+		data->auxiliary.length_valid = 0x1;
+		data->length = reclen;
+		data->operation.operation = 0x03;
+		break;
+	case DASD_ECKD_CCW_WRITE_TRACK_DATA:
+		data->auxiliary.length_valid = 0x1;
+		data->length = reclen;	/* not tlf, as one might think */
+		data->operation.operation = 0x3F;
+		data->extended_operation = 0x23;
+		break;
+	case DASD_ECKD_CCW_READ:
+	case DASD_ECKD_CCW_READ_MT:
+	case DASD_ECKD_CCW_READ_KD:
+	case DASD_ECKD_CCW_READ_KD_MT:
+		data->auxiliary.length_valid = 0x1;
+		data->length = reclen;
+		data->operation.operation = 0x06;
+		break;
+	case DASD_ECKD_CCW_READ_CKD:
+	case DASD_ECKD_CCW_READ_CKD_MT:
+		data->auxiliary.length_valid = 0x1;
+		data->length = reclen;
+		data->operation.operation = 0x16;
+		break;
+	case DASD_ECKD_CCW_READ_COUNT:
+		data->operation.operation = 0x06;
+		break;
+	case DASD_ECKD_CCW_READ_TRACK_DATA:
+		data->auxiliary.length_valid = 0x1;
+		data->length = tlf;
+		data->operation.operation = 0x0C;
+		break;
+	case DASD_ECKD_CCW_ERASE:
+		data->length = reclen;
+		data->auxiliary.length_valid = 0x1;
+		data->operation.operation = 0x0b;
+		break;
+	default:
+		DBF_DEV_EVENT(DBF_ERR, device,
+			    "fill LRE unknown opcode 0x%x", cmd);
+		BUG();
+	}
+	set_ch_t(&data->seek_addr,
+		 trk / private->rdc_data.trk_per_cyl,
+		 trk % private->rdc_data.trk_per_cyl);
+	data->search_arg.cyl = data->seek_addr.cyl;
+	data->search_arg.head = data->seek_addr.head;
+	data->search_arg.record = rec_on_trk;
+}
+
+static int prefix_LRE(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata,
+		      unsigned int trk, unsigned int totrk, int cmd,
+		      struct dasd_device *basedev, struct dasd_device *startdev,
+		      unsigned char format, unsigned int rec_on_trk, int count,
+		      unsigned int blksize, unsigned int tlf)
 {
 	struct dasd_eckd_private *basepriv, *startpriv;
-	struct DE_eckd_data *data;
-	struct ch_t geo, beg, end;
+	struct DE_eckd_data *dedata;
+	struct LRE_eckd_data *lredata;
+	u32 begcyl, endcyl;
+	u16 heads, beghead, endhead;
 	int rc = 0;
 
 	basepriv = (struct dasd_eckd_private *) basedev->private;
 	startpriv = (struct dasd_eckd_private *) startdev->private;
-	data = &pfxdata->define_extend;
+	dedata = &pfxdata->define_extent;
+	lredata = &pfxdata->locate_record;
 
 	ccw->cmd_code = DASD_ECKD_CCW_PFX;
 	ccw->flags = 0;
@@ -314,10 +442,16 @@ static int prefix(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata, int trk,
 
 	memset(pfxdata, 0, sizeof(*pfxdata));
 	/* prefix data */
-	pfxdata->format = 0;
+	if (format > 1) {
+		DBF_DEV_EVENT(DBF_ERR, basedev,
+			      "PFX LRE unknown format 0x%x", format);
+		BUG();
+		return -EINVAL;
+	}
+	pfxdata->format = format;
 	pfxdata->base_address = basepriv->ned->unit_addr;
 	pfxdata->base_lss = basepriv->ned->ID;
-	pfxdata->validity.define_extend = 1;
+	pfxdata->validity.define_extent = 1;
 
 	/* private uid is kept up to date, conf_data may be outdated */
 	if (startpriv->uid.type != UA_BASE_DEVICE) {
@@ -337,70 +471,94 @@ static int prefix(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata, int trk,
 	case DASD_ECKD_CCW_READ_KD:
 	case DASD_ECKD_CCW_READ_KD_MT:
 	case DASD_ECKD_CCW_READ_COUNT:
-		data->mask.perm = 0x1;
-		data->attributes.operation = basepriv->attrib.operation;
+		dedata->mask.perm = 0x1;
+		dedata->attributes.operation = basepriv->attrib.operation;
+		break;
+	case DASD_ECKD_CCW_READ_TRACK_DATA:
+		dedata->mask.perm = 0x1;
+		dedata->attributes.operation = basepriv->attrib.operation;
+		dedata->blk_size = 0;
 		break;
 	case DASD_ECKD_CCW_WRITE:
 	case DASD_ECKD_CCW_WRITE_MT:
 	case DASD_ECKD_CCW_WRITE_KD:
 	case DASD_ECKD_CCW_WRITE_KD_MT:
-		data->mask.perm = 0x02;
-		data->attributes.operation = basepriv->attrib.operation;
+		dedata->mask.perm = 0x02;
+		dedata->attributes.operation = basepriv->attrib.operation;
 		rc = check_XRC_on_prefix(pfxdata, basedev);
 		break;
 	case DASD_ECKD_CCW_WRITE_CKD:
 	case DASD_ECKD_CCW_WRITE_CKD_MT:
-		data->attributes.operation = DASD_BYPASS_CACHE;
+		dedata->attributes.operation = DASD_BYPASS_CACHE;
 		rc = check_XRC_on_prefix(pfxdata, basedev);
 		break;
 	case DASD_ECKD_CCW_ERASE:
 	case DASD_ECKD_CCW_WRITE_HOME_ADDRESS:
 	case DASD_ECKD_CCW_WRITE_RECORD_ZERO:
-		data->mask.perm = 0x3;
-		data->mask.auth = 0x1;
-		data->attributes.operation = DASD_BYPASS_CACHE;
+		dedata->mask.perm = 0x3;
+		dedata->mask.auth = 0x1;
+		dedata->attributes.operation = DASD_BYPASS_CACHE;
 		rc = check_XRC_on_prefix(pfxdata, basedev);
 		break;
-	default:
-		DEV_MESSAGE(KERN_ERR, basedev, "unknown opcode 0x%x", cmd);
+	case DASD_ECKD_CCW_WRITE_TRACK_DATA:
+		dedata->mask.perm = 0x02;
+		dedata->attributes.operation = basepriv->attrib.operation;
+		dedata->blk_size = blksize;
+		rc = check_XRC_on_prefix(pfxdata, basedev);
 		break;
+	default:
+		DBF_DEV_EVENT(DBF_ERR, basedev,
+			    "PFX LRE unknown opcode 0x%x", cmd);
+		BUG();
+		return -EINVAL;
 	}
 
-	data->attributes.mode = 0x3;	/* ECKD */
+	dedata->attributes.mode = 0x3;	/* ECKD */
 
 	if ((basepriv->rdc_data.cu_type == 0x2105 ||
 	     basepriv->rdc_data.cu_type == 0x2107 ||
 	     basepriv->rdc_data.cu_type == 0x1750)
 	    && !(basepriv->uses_cdl && trk < 2))
-		data->ga_extended |= 0x40; /* Regular Data Format Mode */
+		dedata->ga_extended |= 0x40; /* Regular Data Format Mode */
 
-	geo.cyl = basepriv->rdc_data.no_cyl;
-	geo.head = basepriv->rdc_data.trk_per_cyl;
-	beg.cyl = trk / geo.head;
-	beg.head = trk % geo.head;
-	end.cyl = totrk / geo.head;
-	end.head = totrk % geo.head;
+	heads = basepriv->rdc_data.trk_per_cyl;
+	begcyl = trk / heads;
+	beghead = trk % heads;
+	endcyl = totrk / heads;
+	endhead = totrk % heads;
 
 	/* check for sequential prestage - enhance cylinder range */
-	if (data->attributes.operation == DASD_SEQ_PRESTAGE ||
-	    data->attributes.operation == DASD_SEQ_ACCESS) {
+	if (dedata->attributes.operation == DASD_SEQ_PRESTAGE ||
+	    dedata->attributes.operation == DASD_SEQ_ACCESS) {
 
-		if (end.cyl + basepriv->attrib.nr_cyl < geo.cyl)
-			end.cyl += basepriv->attrib.nr_cyl;
+		if (endcyl + basepriv->attrib.nr_cyl < basepriv->real_cyl)
+			endcyl += basepriv->attrib.nr_cyl;
 		else
-			end.cyl = (geo.cyl - 1);
+			endcyl = (basepriv->real_cyl - 1);
+	}
+
+	set_ch_t(&dedata->beg_ext, begcyl, beghead);
+	set_ch_t(&dedata->end_ext, endcyl, endhead);
+
+	if (format == 1) {
+		fill_LRE_data(lredata, trk, rec_on_trk, count, cmd,
+			      basedev, blksize, tlf);
 	}
 
-	data->beg_ext.cyl = beg.cyl;
-	data->beg_ext.head = beg.head;
-	data->end_ext.cyl = end.cyl;
-	data->end_ext.head = end.head;
 	return rc;
 }
 
+static int prefix(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata,
+		  unsigned int trk, unsigned int totrk, int cmd,
+		  struct dasd_device *basedev, struct dasd_device *startdev)
+{
+	return prefix_LRE(ccw, pfxdata, trk, totrk, cmd, basedev, startdev,
+			  0, 0, 0, 0, 0);
+}
+
 static void
-locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, int trk,
-	      int rec_on_trk, int no_rec, int cmd,
+locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, unsigned int trk,
+	      unsigned int rec_on_trk, int no_rec, int cmd,
 	      struct dasd_device * device, int reclen)
 {
 	struct dasd_eckd_private *private;
@@ -491,12 +649,14 @@ locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, int trk,
 		data->operation.operation = 0x0b;
 		break;
 	default:
-		DEV_MESSAGE(KERN_ERR, device, "unknown opcode 0x%x", cmd);
-	}
-	data->seek_addr.cyl = data->search_arg.cyl =
-		trk / private->rdc_data.trk_per_cyl;
-	data->seek_addr.head = data->search_arg.head =
-		trk % private->rdc_data.trk_per_cyl;
+		DBF_DEV_EVENT(DBF_ERR, device, "unknown locate record "
+			      "opcode 0x%x", cmd);
+	}
+	set_ch_t(&data->seek_addr,
+		 trk / private->rdc_data.trk_per_cyl,
+		 trk % private->rdc_data.trk_per_cyl);
+	data->search_arg.cyl = data->seek_addr.cyl;
+	data->search_arg.head = data->seek_addr.head;
 	data->search_arg.record = rec_on_trk;
 }
 
@@ -585,8 +745,8 @@ static struct dasd_ccw_req *dasd_eckd_build_rcd_lpm(struct dasd_device *device,
 	cqr = dasd_smalloc_request("ECKD", 1 /* RCD */, ciw->count, device);
 
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "Could not allocate RCD request");
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+			      "Could not allocate RCD request");
 		return cqr;
 	}
 
@@ -736,14 +896,16 @@ static int dasd_eckd_read_conf(struct dasd_device *device)
 			rc = dasd_eckd_read_conf_lpm(device, &conf_data,
 						     &conf_len, lpm);
 			if (rc && rc != -EOPNOTSUPP) {	/* -EOPNOTSUPP is ok */
-				MESSAGE(KERN_WARNING,
-					"Read configuration data returned "
-					"error %d", rc);
+				DBF_EVENT(DBF_WARNING,
+					  "Read configuration data returned "
+					  "error %d for device: %s", rc,
+					  dev_name(&device->cdev->dev));
 				return rc;
 			}
 			if (conf_data == NULL) {
-				MESSAGE(KERN_WARNING, "%s", "No configuration "
-					"data retrieved");
+				DBF_EVENT(DBF_WARNING, "No configuration "
+					  "data retrieved for device: %s",
+					  dev_name(&device->cdev->dev));
 				continue;	/* no error */
 			}
 			/* save first valid configuration data */
@@ -790,8 +952,9 @@ static int dasd_eckd_read_features(struct dasd_device *device)
 				    sizeof(struct dasd_rssd_features)),
 				   device);
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "Could not allocate initialization request");
+		DBF_EVENT(DBF_WARNING, "Could not allocate initialization "
+			  "request for device: %s",
+			  dev_name(&device->cdev->dev));
 		return PTR_ERR(cqr);
 	}
 	cqr->startdev = device;
@@ -840,7 +1003,8 @@ static int dasd_eckd_read_features(struct dasd_device *device)
 /*
  * Build CP for Perform Subsystem Function - SSC.
  */
-static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device)
+static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device,
+						    int enable_pav)
 {
 	struct dasd_ccw_req *cqr;
 	struct dasd_psf_ssc_data *psf_ssc_data;
@@ -851,15 +1015,17 @@ static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device)
 				  device);
 
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			   "Could not allocate PSF-SSC request");
 		return cqr;
 	}
 	psf_ssc_data = (struct dasd_psf_ssc_data *)cqr->data;
 	psf_ssc_data->order = PSF_ORDER_SSC;
-	psf_ssc_data->suborder = 0x88;
-	psf_ssc_data->reserved[0] = 0x88;
-
+	psf_ssc_data->suborder = 0x40;
+	if (enable_pav) {
+		psf_ssc_data->suborder |= 0x88;
+		psf_ssc_data->reserved[0] = 0x88;
+	}
 	ccw = cqr->cpaddr;
 	ccw->cmd_code = DASD_ECKD_CCW_PSF;
 	ccw->cda = (__u32)(addr_t)psf_ssc_data;
@@ -880,12 +1046,12 @@ static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device)
  * call might change behaviour of DASD devices.
  */
 static int
-dasd_eckd_psf_ssc(struct dasd_device *device)
+dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav)
 {
 	struct dasd_ccw_req *cqr;
 	int rc;
 
-	cqr = dasd_eckd_build_psf_ssc(device);
+	cqr = dasd_eckd_build_psf_ssc(device, enable_pav);
 	if (IS_ERR(cqr))
 		return PTR_ERR(cqr);
 
@@ -904,19 +1070,20 @@ static int dasd_eckd_validate_server(struct dasd_device *device)
 {
 	int rc;
 	struct dasd_eckd_private *private;
+	int enable_pav;
 
-	/* Currently PAV is the only reason to 'validate' server on LPAR */
 	if (dasd_nopav || MACHINE_IS_VM)
-		return 0;
-
-	rc = dasd_eckd_psf_ssc(device);
+		enable_pav = 0;
+	else
+		enable_pav = 1;
+	rc = dasd_eckd_psf_ssc(device, enable_pav);
 	/* may be requested feature is not available on server,
 	 * therefore just report error and go ahead */
 	private = (struct dasd_eckd_private *) device->private;
-	DEV_MESSAGE(KERN_INFO, device,
-		    "PSF-SSC on storage subsystem %s.%s.%04x returned rc=%d",
-		    private->uid.vendor, private->uid.serial,
-		    private->uid.ssid, rc);
+	DBF_EVENT(DBF_WARNING, "PSF-SSC on storage subsystem %s.%s.%04x "
+		  "returned rc=%d for device: %s",
+		  private->uid.vendor, private->uid.serial,
+		  private->uid.ssid, rc, dev_name(&device->cdev->dev));
 	/* RE-Read Configuration Data */
 	return dasd_eckd_read_conf(device);
 }
@@ -938,9 +1105,9 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 		private = kzalloc(sizeof(struct dasd_eckd_private),
 				  GFP_KERNEL | GFP_DMA);
 		if (private == NULL) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "memory allocation failed for private "
-				    "data");
+			dev_warn(&device->cdev->dev,
+				 "Allocating memory for private DASD data "
+				 "failed\n");
 			return -ENOMEM;
 		}
 		device->private = (void *) private;
@@ -965,8 +1132,9 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 	if (private->uid.type == UA_BASE_DEVICE) {
 		block = dasd_alloc_block();
 		if (IS_ERR(block)) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "could not allocate dasd block structure");
+			DBF_EVENT(DBF_WARNING, "could not allocate dasd "
+				  "block structure for device: %s",
+				  dev_name(&device->cdev->dev));
 			rc = PTR_ERR(block);
 			goto out_err1;
 		}
@@ -997,20 +1165,27 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 	memset(rdc_data, 0, sizeof(rdc_data));
 	rc = dasd_generic_read_dev_chars(device, "ECKD", &rdc_data, 64);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device,
-			    "Read device characteristics returned "
-			    "rc=%d", rc);
+		DBF_EVENT(DBF_WARNING,
+			  "Read device characteristics failed, rc=%d for "
+			  "device: %s", rc, dev_name(&device->cdev->dev));
 		goto out_err3;
 	}
-	DEV_MESSAGE(KERN_INFO, device,
-		    "%04X/%02X(CU:%04X/%02X) Cyl:%d Head:%d Sec:%d",
-		    private->rdc_data.dev_type,
-		    private->rdc_data.dev_model,
-		    private->rdc_data.cu_type,
-		    private->rdc_data.cu_model.model,
-		    private->rdc_data.no_cyl,
-		    private->rdc_data.trk_per_cyl,
-		    private->rdc_data.sec_per_trk);
+	/* find the vaild cylinder size */
+	if (private->rdc_data.no_cyl == LV_COMPAT_CYL &&
+	    private->rdc_data.long_no_cyl)
+		private->real_cyl = private->rdc_data.long_no_cyl;
+	else
+		private->real_cyl = private->rdc_data.no_cyl;
+
+	dev_info(&device->cdev->dev, "New DASD %04X/%02X (CU %04X/%02X) "
+		 "with %d cylinders, %d heads, %d sectors\n",
+		 private->rdc_data.dev_type,
+		 private->rdc_data.dev_model,
+		 private->rdc_data.cu_type,
+		 private->rdc_data.cu_model.model,
+		    private->real_cyl,
+		 private->rdc_data.trk_per_cyl,
+		 private->rdc_data.sec_per_trk);
 	return 0;
 
 out_err3:
@@ -1151,14 +1326,12 @@ dasd_eckd_end_analysis(struct dasd_block *block)
 	status = private->init_cqr_status;
 	private->init_cqr_status = -1;
 	if (status != DASD_CQR_DONE) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "volume analysis returned unformatted disk");
+		dev_warn(&device->cdev->dev,
+			    "The DASD is not formatted\n");
 		return -EMEDIUMTYPE;
 	}
 
 	private->uses_cdl = 1;
-	/* Calculate number of blocks/records per track. */
-	blk_per_trk = recs_per_track(&private->rdc_data, 0, block->bp_block);
 	/* Check Track 0 for Compatible Disk Layout */
 	count_area = NULL;
 	for (i = 0; i < 3; i++) {
@@ -1182,8 +1355,8 @@ dasd_eckd_end_analysis(struct dasd_block *block)
 			count_area = &private->count_area[0];
 	} else {
 		if (private->count_area[3].record == 1)
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "Trk 0: no records after VTOC!");
+			dev_warn(&device->cdev->dev,
+				 "Track 0 has no records following the VTOC\n");
 	}
 	if (count_area != NULL && count_area->kl == 0) {
 		/* we found notthing violating our disk layout */
@@ -1191,8 +1364,8 @@ dasd_eckd_end_analysis(struct dasd_block *block)
 			block->bp_block = count_area->dl;
 	}
 	if (block->bp_block == 0) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "Volume has incompatible disk layout");
+		dev_warn(&device->cdev->dev,
+			 "The disk layout of the DASD is not supported\n");
 		return -EMEDIUMTYPE;
 	}
 	block->s2b_shift = 0;	/* bits to shift 512 to get a block */
@@ -1200,19 +1373,19 @@ dasd_eckd_end_analysis(struct dasd_block *block)
 		block->s2b_shift++;
 
 	blk_per_trk = recs_per_track(&private->rdc_data, 0, block->bp_block);
-	block->blocks = (private->rdc_data.no_cyl *
+	block->blocks = (private->real_cyl *
 			  private->rdc_data.trk_per_cyl *
 			  blk_per_trk);
 
-	DEV_MESSAGE(KERN_INFO, device,
-		    "(%dkB blks): %dkB at %dkB/trk %s",
-		    (block->bp_block >> 10),
-		    ((private->rdc_data.no_cyl *
-		      private->rdc_data.trk_per_cyl *
-		      blk_per_trk * (block->bp_block >> 9)) >> 1),
-		    ((blk_per_trk * block->bp_block) >> 10),
-		    private->uses_cdl ?
-		    "compatible disk layout" : "linux disk layout");
+	dev_info(&device->cdev->dev,
+		 "DASD with %d KB/block, %d KB total size, %d KB/track, "
+		 "%s\n", (block->bp_block >> 10),
+		 ((private->real_cyl *
+		   private->rdc_data.trk_per_cyl *
+		   blk_per_trk * (block->bp_block >> 9)) >> 1),
+		 ((blk_per_trk * block->bp_block) >> 10),
+		 private->uses_cdl ?
+		 "compatible disk layout" : "linux disk layout");
 
 	return 0;
 }
@@ -1262,31 +1435,35 @@ dasd_eckd_format_device(struct dasd_device * device,
 	struct eckd_count *ect;
 	struct ccw1 *ccw;
 	void *data;
-	int rpt, cyl, head;
+	int rpt;
+	struct ch_t address;
 	int cplength, datasize;
 	int i;
+	int intensity = 0;
+	int r0_perm;
 
 	private = (struct dasd_eckd_private *) device->private;
 	rpt = recs_per_track(&private->rdc_data, 0, fdata->blksize);
-	cyl = fdata->start_unit / private->rdc_data.trk_per_cyl;
-	head = fdata->start_unit % private->rdc_data.trk_per_cyl;
+	set_ch_t(&address,
+		 fdata->start_unit / private->rdc_data.trk_per_cyl,
+		 fdata->start_unit % private->rdc_data.trk_per_cyl);
 
 	/* Sanity checks. */
 	if (fdata->start_unit >=
-	    (private->rdc_data.no_cyl * private->rdc_data.trk_per_cyl)) {
-		DEV_MESSAGE(KERN_INFO, device, "Track no %d too big!",
-			    fdata->start_unit);
+	    (private->real_cyl * private->rdc_data.trk_per_cyl)) {
+		dev_warn(&device->cdev->dev, "Start track number %d used in "
+			 "formatting is too big\n", fdata->start_unit);
 		return ERR_PTR(-EINVAL);
 	}
 	if (fdata->start_unit > fdata->stop_unit) {
-		DEV_MESSAGE(KERN_INFO, device, "Track %d reached! ending.",
-			    fdata->start_unit);
+		dev_warn(&device->cdev->dev, "Start track %d used in "
+			 "formatting exceeds end track\n", fdata->start_unit);
 		return ERR_PTR(-EINVAL);
 	}
 	if (dasd_check_blocksize(fdata->blksize) != 0) {
-		DEV_MESSAGE(KERN_WARNING, device,
-			    "Invalid blocksize %d...terminating!",
-			    fdata->blksize);
+		dev_warn(&device->cdev->dev,
+			 "The DASD cannot be formatted with block size %d\n",
+			 fdata->blksize);
 		return ERR_PTR(-EINVAL);
 	}
 
@@ -1296,9 +1473,17 @@ dasd_eckd_format_device(struct dasd_device * device,
 	 *   Bit 1: write home address, currently not supported
 	 *   Bit 2: invalidate tracks
 	 *   Bit 3: use OS/390 compatible disk layout (cdl)
+	 *   Bit 4: do not allow storage subsystem to modify record zero
 	 * Only some bit combinations do make sense.
 	 */
-	switch (fdata->intensity) {
+	if (fdata->intensity & 0x10) {
+		r0_perm = 0;
+		intensity = fdata->intensity & ~0x10;
+	} else {
+		r0_perm = 1;
+		intensity = fdata->intensity;
+	}
+	switch (intensity) {
 	case 0x00:	/* Normal format */
 	case 0x08:	/* Normal format, use cdl. */
 		cplength = 2 + rpt;
@@ -1322,8 +1507,8 @@ dasd_eckd_format_device(struct dasd_device * device,
 			sizeof(struct eckd_count);
 		break;
 	default:
-		DEV_MESSAGE(KERN_WARNING, device, "Invalid flags 0x%x.",
-			    fdata->intensity);
+		dev_warn(&device->cdev->dev, "An I/O control call used "
+			 "incorrect flags 0x%x\n", fdata->intensity);
 		return ERR_PTR(-EINVAL);
 	}
 	/* Allocate the format ccw request. */
@@ -1335,11 +1520,14 @@ dasd_eckd_format_device(struct dasd_device * device,
 	data = fcp->data;
 	ccw = fcp->cpaddr;
 
-	switch (fdata->intensity & ~0x08) {
+	switch (intensity & ~0x08) {
 	case 0x00: /* Normal format. */
 		define_extent(ccw++, (struct DE_eckd_data *) data,
 			      fdata->start_unit, fdata->start_unit,
 			      DASD_ECKD_CCW_WRITE_CKD, device);
+		/* grant subsystem permission to format R0 */
+		if (r0_perm)
+			((struct DE_eckd_data *)data)->ga_extended |= 0x04;
 		data += sizeof(struct DE_eckd_data);
 		ccw[-1].flags |= CCW_FLAG_CC;
 		locate_record(ccw++, (struct LO_eckd_data *) data,
@@ -1373,11 +1561,11 @@ dasd_eckd_format_device(struct dasd_device * device,
 		data += sizeof(struct LO_eckd_data);
 		break;
 	}
-	if (fdata->intensity & 0x01) {	/* write record zero */
+	if (intensity & 0x01) {	/* write record zero */
 		ect = (struct eckd_count *) data;
 		data += sizeof(struct eckd_count);
-		ect->cyl = cyl;
-		ect->head = head;
+		ect->cyl = address.cyl;
+		ect->head = address.head;
 		ect->record = 0;
 		ect->kl = 0;
 		ect->dl = 8;
@@ -1388,11 +1576,11 @@ dasd_eckd_format_device(struct dasd_device * device,
 		ccw->cda = (__u32)(addr_t) ect;
 		ccw++;
 	}
-	if ((fdata->intensity & ~0x08) & 0x04) {	/* erase track */
+	if ((intensity & ~0x08) & 0x04) {	/* erase track */
 		ect = (struct eckd_count *) data;
 		data += sizeof(struct eckd_count);
-		ect->cyl = cyl;
-		ect->head = head;
+		ect->cyl = address.cyl;
+		ect->head = address.head;
 		ect->record = 1;
 		ect->kl = 0;
 		ect->dl = 0;
@@ -1405,20 +1593,20 @@ dasd_eckd_format_device(struct dasd_device * device,
 		for (i = 0; i < rpt; i++) {
 			ect = (struct eckd_count *) data;
 			data += sizeof(struct eckd_count);
-			ect->cyl = cyl;
-			ect->head = head;
+			ect->cyl = address.cyl;
+			ect->head = address.head;
 			ect->record = i + 1;
 			ect->kl = 0;
 			ect->dl = fdata->blksize;
 			/* Check for special tracks 0-1 when formatting CDL */
-			if ((fdata->intensity & 0x08) &&
+			if ((intensity & 0x08) &&
 			    fdata->start_unit == 0) {
 				if (i < 3) {
 					ect->kl = 4;
 					ect->dl = sizes_trk0[i] - 4;
 				}
 			}
-			if ((fdata->intensity & 0x08) &&
+			if ((intensity & 0x08) &&
 			    fdata->start_unit == 1) {
 				ect->kl = 44;
 				ect->dl = LABEL_SIZE - 44;
@@ -1479,57 +1667,69 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
 						   struct irb *irb)
 {
 	char mask;
+	char *sense = NULL;
 
 	/* first of all check for state change pending interrupt */
 	mask = DEV_STAT_ATTENTION | DEV_STAT_DEV_END | DEV_STAT_UNIT_EXCEP;
-	if ((irb->scsw.cmd.dstat & mask) == mask) {
+	if ((scsw_dstat(&irb->scsw) & mask) == mask) {
 		dasd_generic_handle_state_change(device);
 		return;
 	}
 
 	/* summary unit check */
-	if ((irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) &&
+	if ((scsw_dstat(&irb->scsw) & DEV_STAT_UNIT_CHECK) &&
 	    (irb->ecw[7] == 0x0D)) {
 		dasd_alias_handle_summary_unit_check(device, irb);
 		return;
 	}
 
-
+	sense = dasd_get_sense(irb);
 	/* service information message SIM */
-	if (irb->esw.esw0.erw.cons && !(irb->ecw[27] & DASD_SENSE_BIT_0) &&
-	    ((irb->ecw[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)) {
-		dasd_3990_erp_handle_sim(device, irb->ecw);
+	if (sense && !(sense[27] & DASD_SENSE_BIT_0) &&
+	    ((sense[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)) {
+		dasd_3990_erp_handle_sim(device, sense);
 		dasd_schedule_device_bh(device);
 		return;
 	}
 
-	if ((irb->scsw.cmd.cc == 1) &&
-	    (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) &&
-	    (irb->scsw.cmd.actl & SCSW_ACTL_START_PEND) &&
-	    (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND)) {
+	if ((scsw_cc(&irb->scsw) == 1) &&
+	    (scsw_fctl(&irb->scsw) & SCSW_FCTL_START_FUNC) &&
+	    (scsw_actl(&irb->scsw) & SCSW_ACTL_START_PEND) &&
+	    (scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND)) {
 		/* fake irb do nothing, they are handled elsewhere */
 		dasd_schedule_device_bh(device);
 		return;
 	}
 
-	if (!(irb->esw.esw0.erw.cons)) {
+	if (!sense) {
 		/* just report other unsolicited interrupts */
-		DEV_MESSAGE(KERN_ERR, device, "%s",
+		DBF_DEV_EVENT(DBF_ERR, device, "%s",
 			    "unsolicited interrupt received");
 	} else {
-		DEV_MESSAGE(KERN_ERR, device, "%s",
+		DBF_DEV_EVENT(DBF_ERR, device, "%s",
 			    "unsolicited interrupt received "
 			    "(sense available)");
-		device->discipline->dump_sense(device, NULL, irb);
+		device->discipline->dump_sense_dbf(device, NULL, irb,
+						   "unsolicited");
 	}
 
 	dasd_schedule_device_bh(device);
 	return;
 };
 
-static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
+
+static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single(
+					       struct dasd_device *startdev,
 					       struct dasd_block *block,
-					       struct request *req)
+					       struct request *req,
+					       sector_t first_rec,
+					       sector_t last_rec,
+					       sector_t first_trk,
+					       sector_t last_trk,
+					       unsigned int first_offs,
+					       unsigned int last_offs,
+					       unsigned int blk_per_trk,
+					       unsigned int blksize)
 {
 	struct dasd_eckd_private *private;
 	unsigned long *idaws;
@@ -1539,11 +1739,9 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 	struct req_iterator iter;
 	struct bio_vec *bv;
 	char *dst;
-	unsigned int blksize, blk_per_trk, off;
+	unsigned int off;
 	int count, cidaw, cplength, datasize;
-	sector_t recid, first_rec, last_rec;
-	sector_t first_trk, last_trk;
-	unsigned int first_offs, last_offs;
+	sector_t recid;
 	unsigned char cmd, rcmd;
 	int use_prefix;
 	struct dasd_device *basedev;
@@ -1556,15 +1754,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 		cmd = DASD_ECKD_CCW_WRITE_MT;
 	else
 		return ERR_PTR(-EINVAL);
-	/* Calculate number of blocks/records per track. */
-	blksize = block->bp_block;
-	blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
-	/* Calculate record id of first and last block. */
-	first_rec = first_trk = req->sector >> block->s2b_shift;
-	first_offs = sector_div(first_trk, blk_per_trk);
-	last_rec = last_trk =
-		(req->sector + req->nr_sectors - 1) >> block->s2b_shift;
-	last_offs = sector_div(last_trk, blk_per_trk);
+
 	/* Check struct bio and count the number of blocks for the request. */
 	count = 0;
 	cidaw = 0;
@@ -1714,6 +1904,497 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 	return cqr;
 }
 
+static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track(
+					       struct dasd_device *startdev,
+					       struct dasd_block *block,
+					       struct request *req,
+					       sector_t first_rec,
+					       sector_t last_rec,
+					       sector_t first_trk,
+					       sector_t last_trk,
+					       unsigned int first_offs,
+					       unsigned int last_offs,
+					       unsigned int blk_per_trk,
+					       unsigned int blksize)
+{
+	struct dasd_eckd_private *private;
+	unsigned long *idaws;
+	struct dasd_ccw_req *cqr;
+	struct ccw1 *ccw;
+	struct req_iterator iter;
+	struct bio_vec *bv;
+	char *dst, *idaw_dst;
+	unsigned int cidaw, cplength, datasize;
+	unsigned int tlf;
+	sector_t recid;
+	unsigned char cmd;
+	struct dasd_device *basedev;
+	unsigned int trkcount, count, count_to_trk_end;
+	unsigned int idaw_len, seg_len, part_len, len_to_track_end;
+	unsigned char new_track, end_idaw;
+	sector_t trkid;
+	unsigned int recoffs;
+
+	basedev = block->base;
+	private = (struct dasd_eckd_private *) basedev->private;
+	if (rq_data_dir(req) == READ)
+		cmd = DASD_ECKD_CCW_READ_TRACK_DATA;
+	else if (rq_data_dir(req) == WRITE)
+		cmd = DASD_ECKD_CCW_WRITE_TRACK_DATA;
+	else
+		return ERR_PTR(-EINVAL);
+
+	/* Track based I/O needs IDAWs for each page, and not just for
+	 * 64 bit addresses. We need additional idals for pages
+	 * that get filled from two tracks, so we use the number
+	 * of records as upper limit.
+	 */
+	cidaw = last_rec - first_rec + 1;
+	trkcount = last_trk - first_trk + 1;
+
+	/* 1x prefix + one read/write ccw per track */
+	cplength = 1 + trkcount;
+
+	/* on 31-bit we need space for two 32 bit addresses per page
+	 * on 64-bit one 64 bit address
+	 */
+	datasize = sizeof(struct PFX_eckd_data) +
+		cidaw * sizeof(unsigned long long);
+
+	/* Allocate the ccw request. */
+	cqr = dasd_smalloc_request(dasd_eckd_discipline.name,
+				   cplength, datasize, startdev);
+	if (IS_ERR(cqr))
+		return cqr;
+	ccw = cqr->cpaddr;
+	/* transfer length factor: how many bytes to read from the last track */
+	if (first_trk == last_trk)
+		tlf = last_offs - first_offs + 1;
+	else
+		tlf = last_offs + 1;
+	tlf *= blksize;
+
+	if (prefix_LRE(ccw++, cqr->data, first_trk,
+		       last_trk, cmd, basedev, startdev,
+		       1 /* format */, first_offs + 1,
+		       trkcount, blksize,
+		       tlf) == -EAGAIN) {
+		/* Clock not in sync and XRC is enabled.
+		 * Try again later.
+		 */
+		dasd_sfree_request(cqr, startdev);
+		return ERR_PTR(-EAGAIN);
+	}
+
+	/*
+	 * The translation of request into ccw programs must meet the
+	 * following conditions:
+	 * - all idaws but the first and the last must address full pages
+	 *   (or 2K blocks on 31-bit)
+	 * - the scope of a ccw and it's idal ends with the track boundaries
+	 */
+	idaws = (unsigned long *) (cqr->data + sizeof(struct PFX_eckd_data));
+	recid = first_rec;
+	new_track = 1;
+	end_idaw = 0;
+	len_to_track_end = 0;
+	idaw_dst = 0;
+	idaw_len = 0;
+	rq_for_each_segment(bv, req, iter) {
+		dst = page_address(bv->bv_page) + bv->bv_offset;
+		seg_len = bv->bv_len;
+		while (seg_len) {
+			if (new_track) {
+				trkid = recid;
+				recoffs = sector_div(trkid, blk_per_trk);
+				count_to_trk_end = blk_per_trk - recoffs;
+				count = min((last_rec - recid + 1),
+					    (sector_t)count_to_trk_end);
+				len_to_track_end = count * blksize;
+				ccw[-1].flags |= CCW_FLAG_CC;
+				ccw->cmd_code = cmd;
+				ccw->count = len_to_track_end;
+				ccw->cda = (__u32)(addr_t)idaws;
+				ccw->flags = CCW_FLAG_IDA;
+				ccw++;
+				recid += count;
+				new_track = 0;
+			}
+			/* If we start a new idaw, everything is fine and the
+			 * start of the new idaw is the start of this segment.
+			 * If we continue an idaw, we must make sure that the
+			 * current segment begins where the so far accumulated
+			 * idaw ends
+			 */
+			if (!idaw_dst)
+				idaw_dst = dst;
+			if ((idaw_dst + idaw_len) != dst) {
+				dasd_sfree_request(cqr, startdev);
+				return ERR_PTR(-ERANGE);
+			}
+			part_len = min(seg_len, len_to_track_end);
+			seg_len -= part_len;
+			dst += part_len;
+			idaw_len += part_len;
+			len_to_track_end -= part_len;
+			/* collected memory area ends on an IDA_BLOCK border,
+			 * -> create an idaw
+			 * idal_create_words will handle cases where idaw_len
+			 * is larger then IDA_BLOCK_SIZE
+			 */
+			if (!(__pa(idaw_dst + idaw_len) & (IDA_BLOCK_SIZE-1)))
+				end_idaw = 1;
+			/* We also need to end the idaw at track end */
+			if (!len_to_track_end) {
+				new_track = 1;
+				end_idaw = 1;
+			}
+			if (end_idaw) {
+				idaws = idal_create_words(idaws, idaw_dst,
+							  idaw_len);
+				idaw_dst = 0;
+				idaw_len = 0;
+				end_idaw = 0;
+			}
+		}
+	}
+
+	if (blk_noretry_request(req) ||
+	    block->base->features & DASD_FEATURE_FAILFAST)
+		set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
+	cqr->startdev = startdev;
+	cqr->memdev = startdev;
+	cqr->block = block;
+	cqr->expires = 5 * 60 * HZ;	/* 5 minutes */
+	cqr->lpm = private->path_data.ppm;
+	cqr->retries = 256;
+	cqr->buildclk = get_clock();
+	cqr->status = DASD_CQR_FILLED;
+	return cqr;
+}
+
+static int prepare_itcw(struct itcw *itcw,
+			unsigned int trk, unsigned int totrk, int cmd,
+			struct dasd_device *basedev,
+			struct dasd_device *startdev,
+			unsigned int rec_on_trk, int count,
+			unsigned int blksize,
+			unsigned int total_data_size,
+			unsigned int tlf,
+			unsigned int blk_per_trk)
+{
+	struct PFX_eckd_data pfxdata;
+	struct dasd_eckd_private *basepriv, *startpriv;
+	struct DE_eckd_data *dedata;
+	struct LRE_eckd_data *lredata;
+	struct dcw *dcw;
+
+	u32 begcyl, endcyl;
+	u16 heads, beghead, endhead;
+	u8 pfx_cmd;
+
+	int rc = 0;
+	int sector = 0;
+	int dn, d;
+
+
+	/* setup prefix data */
+	basepriv = (struct dasd_eckd_private *) basedev->private;
+	startpriv = (struct dasd_eckd_private *) startdev->private;
+	dedata = &pfxdata.define_extent;
+	lredata = &pfxdata.locate_record;
+
+	memset(&pfxdata, 0, sizeof(pfxdata));
+	pfxdata.format = 1; /* PFX with LRE */
+	pfxdata.base_address = basepriv->ned->unit_addr;
+	pfxdata.base_lss = basepriv->ned->ID;
+	pfxdata.validity.define_extent = 1;
+
+	/* private uid is kept up to date, conf_data may be outdated */
+	if (startpriv->uid.type != UA_BASE_DEVICE) {
+		pfxdata.validity.verify_base = 1;
+		if (startpriv->uid.type == UA_HYPER_PAV_ALIAS)
+			pfxdata.validity.hyper_pav = 1;
+	}
+
+	switch (cmd) {
+	case DASD_ECKD_CCW_READ_TRACK_DATA:
+		dedata->mask.perm = 0x1;
+		dedata->attributes.operation = basepriv->attrib.operation;
+		dedata->blk_size = blksize;
+		dedata->ga_extended |= 0x42;
+		lredata->operation.orientation = 0x0;
+		lredata->operation.operation = 0x0C;
+		lredata->auxiliary.check_bytes = 0x01;
+		pfx_cmd = DASD_ECKD_CCW_PFX_READ;
+		break;
+	case DASD_ECKD_CCW_WRITE_TRACK_DATA:
+		dedata->mask.perm = 0x02;
+		dedata->attributes.operation = basepriv->attrib.operation;
+		dedata->blk_size = blksize;
+		rc = check_XRC_on_prefix(&pfxdata, basedev);
+		dedata->ga_extended |= 0x42;
+		lredata->operation.orientation = 0x0;
+		lredata->operation.operation = 0x3F;
+		lredata->extended_operation = 0x23;
+		lredata->auxiliary.check_bytes = 0x2;
+		pfx_cmd = DASD_ECKD_CCW_PFX;
+		break;
+	default:
+		DBF_DEV_EVENT(DBF_ERR, basedev,
+			      "prepare itcw, unknown opcode 0x%x", cmd);
+		BUG();
+		break;
+	}
+	if (rc)
+		return rc;
+
+	dedata->attributes.mode = 0x3;	/* ECKD */
+
+	heads = basepriv->rdc_data.trk_per_cyl;
+	begcyl = trk / heads;
+	beghead = trk % heads;
+	endcyl = totrk / heads;
+	endhead = totrk % heads;
+
+	/* check for sequential prestage - enhance cylinder range */
+	if (dedata->attributes.operation == DASD_SEQ_PRESTAGE ||
+	    dedata->attributes.operation == DASD_SEQ_ACCESS) {
+
+		if (endcyl + basepriv->attrib.nr_cyl < basepriv->real_cyl)
+			endcyl += basepriv->attrib.nr_cyl;
+		else
+			endcyl = (basepriv->real_cyl - 1);
+	}
+
+	set_ch_t(&dedata->beg_ext, begcyl, beghead);
+	set_ch_t(&dedata->end_ext, endcyl, endhead);
+
+	dedata->ep_format = 0x20; /* records per track is valid */
+	dedata->ep_rec_per_track = blk_per_trk;
+
+	if (rec_on_trk) {
+		switch (basepriv->rdc_data.dev_type) {
+		case 0x3390:
+			dn = ceil_quot(blksize + 6, 232);
+			d = 9 + ceil_quot(blksize + 6 * (dn + 1), 34);
+			sector = (49 + (rec_on_trk - 1) * (10 + d)) / 8;
+			break;
+		case 0x3380:
+			d = 7 + ceil_quot(blksize + 12, 32);
+			sector = (39 + (rec_on_trk - 1) * (8 + d)) / 7;
+			break;
+		}
+	}
+
+	lredata->auxiliary.length_valid = 1;
+	lredata->auxiliary.length_scope = 1;
+	lredata->auxiliary.imbedded_ccw_valid = 1;
+	lredata->length = tlf;
+	lredata->imbedded_ccw = cmd;
+	lredata->count = count;
+	lredata->sector = sector;
+	set_ch_t(&lredata->seek_addr, begcyl, beghead);
+	lredata->search_arg.cyl = lredata->seek_addr.cyl;
+	lredata->search_arg.head = lredata->seek_addr.head;
+	lredata->search_arg.record = rec_on_trk;
+
+	dcw = itcw_add_dcw(itcw, pfx_cmd, 0,
+		     &pfxdata, sizeof(pfxdata), total_data_size);
+
+	return rc;
+}
+
+static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
+					       struct dasd_device *startdev,
+					       struct dasd_block *block,
+					       struct request *req,
+					       sector_t first_rec,
+					       sector_t last_rec,
+					       sector_t first_trk,
+					       sector_t last_trk,
+					       unsigned int first_offs,
+					       unsigned int last_offs,
+					       unsigned int blk_per_trk,
+					       unsigned int blksize)
+{
+	struct dasd_eckd_private *private;
+	struct dasd_ccw_req *cqr;
+	struct req_iterator iter;
+	struct bio_vec *bv;
+	char *dst;
+	unsigned int trkcount, ctidaw;
+	unsigned char cmd;
+	struct dasd_device *basedev;
+	unsigned int tlf;
+	struct itcw *itcw;
+	struct tidaw *last_tidaw = NULL;
+	int itcw_op;
+	size_t itcw_size;
+
+	basedev = block->base;
+	private = (struct dasd_eckd_private *) basedev->private;
+	if (rq_data_dir(req) == READ) {
+		cmd = DASD_ECKD_CCW_READ_TRACK_DATA;
+		itcw_op = ITCW_OP_READ;
+	} else if (rq_data_dir(req) == WRITE) {
+		cmd = DASD_ECKD_CCW_WRITE_TRACK_DATA;
+		itcw_op = ITCW_OP_WRITE;
+	} else
+		return ERR_PTR(-EINVAL);
+
+	/* trackbased I/O needs address all memory via TIDAWs,
+	 * not just for 64 bit addresses. This allows us to map
+	 * each segment directly to one tidaw.
+	 */
+	trkcount = last_trk - first_trk + 1;
+	ctidaw = 0;
+	rq_for_each_segment(bv, req, iter) {
+		++ctidaw;
+	}
+
+	/* Allocate the ccw request. */
+	itcw_size = itcw_calc_size(0, ctidaw, 0);
+	cqr = dasd_smalloc_request(dasd_eckd_discipline.name,
+				   0, itcw_size, startdev);
+	if (IS_ERR(cqr))
+		return cqr;
+
+	cqr->cpmode = 1;
+	cqr->startdev = startdev;
+	cqr->memdev = startdev;
+	cqr->block = block;
+	cqr->expires = 100*HZ;
+	cqr->buildclk = get_clock();
+	cqr->status = DASD_CQR_FILLED;
+	cqr->retries = 10;
+
+	/* transfer length factor: how many bytes to read from the last track */
+	if (first_trk == last_trk)
+		tlf = last_offs - first_offs + 1;
+	else
+		tlf = last_offs + 1;
+	tlf *= blksize;
+
+	itcw = itcw_init(cqr->data, itcw_size, itcw_op, 0, ctidaw, 0);
+	cqr->cpaddr = itcw_get_tcw(itcw);
+
+	if (prepare_itcw(itcw, first_trk, last_trk,
+			 cmd, basedev, startdev,
+			 first_offs + 1,
+			 trkcount, blksize,
+			 (last_rec - first_rec + 1) * blksize,
+			 tlf, blk_per_trk) == -EAGAIN) {
+		/* Clock not in sync and XRC is enabled.
+		 * Try again later.
+		 */
+		dasd_sfree_request(cqr, startdev);
+		return ERR_PTR(-EAGAIN);
+	}
+
+	/*
+	 * A tidaw can address 4k of memory, but must not cross page boundaries
+	 * We can let the block layer handle this by setting
+	 * blk_queue_segment_boundary to page boundaries and
+	 * blk_max_segment_size to page size when setting up the request queue.
+	 */
+	rq_for_each_segment(bv, req, iter) {
+		dst = page_address(bv->bv_page) + bv->bv_offset;
+		last_tidaw = itcw_add_tidaw(itcw, 0x00, dst, bv->bv_len);
+		if (IS_ERR(last_tidaw))
+			return (struct dasd_ccw_req *)last_tidaw;
+	}
+
+	last_tidaw->flags |= 0x80;
+	itcw_finalize(itcw);
+
+	if (blk_noretry_request(req) ||
+	    block->base->features & DASD_FEATURE_FAILFAST)
+		set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
+	cqr->startdev = startdev;
+	cqr->memdev = startdev;
+	cqr->block = block;
+	cqr->expires = 5 * 60 * HZ;	/* 5 minutes */
+	cqr->lpm = private->path_data.ppm;
+	cqr->retries = 256;
+	cqr->buildclk = get_clock();
+	cqr->status = DASD_CQR_FILLED;
+	return cqr;
+}
+
+static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
+					       struct dasd_block *block,
+					       struct request *req)
+{
+	int tpm, cmdrtd, cmdwtd;
+	int use_prefix;
+
+	struct dasd_eckd_private *private;
+	int fcx_in_css, fcx_in_gneq, fcx_in_features;
+	struct dasd_device *basedev;
+	sector_t first_rec, last_rec;
+	sector_t first_trk, last_trk;
+	unsigned int first_offs, last_offs;
+	unsigned int blk_per_trk, blksize;
+	int cdlspecial;
+	struct dasd_ccw_req *cqr;
+
+	basedev = block->base;
+	private = (struct dasd_eckd_private *) basedev->private;
+
+	/* Calculate number of blocks/records per track. */
+	blksize = block->bp_block;
+	blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
+	/* Calculate record id of first and last block. */
+	first_rec = first_trk = req->sector >> block->s2b_shift;
+	first_offs = sector_div(first_trk, blk_per_trk);
+	last_rec = last_trk =
+		(req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+	last_offs = sector_div(last_trk, blk_per_trk);
+	cdlspecial = (private->uses_cdl && first_rec < 2*blk_per_trk);
+
+	/* is transport mode supported ? */
+	fcx_in_css = css_general_characteristics.fcx;
+	fcx_in_gneq = private->gneq->reserved2[7] & 0x04;
+	fcx_in_features = private->features.feature[40] & 0x80;
+	tpm = fcx_in_css && fcx_in_gneq && fcx_in_features;
+
+	/* is read track data and write track data in command mode supported? */
+	cmdrtd = private->features.feature[9] & 0x20;
+	cmdwtd = private->features.feature[12] & 0x40;
+	use_prefix = private->features.feature[8] & 0x01;
+
+	cqr = NULL;
+	if (cdlspecial || dasd_page_cache) {
+		/* do nothing, just fall through to the cmd mode single case */
+	} else if (!dasd_nofcx && tpm && (first_trk == last_trk)) {
+		cqr = dasd_eckd_build_cp_tpm_track(startdev, block, req,
+						    first_rec, last_rec,
+						    first_trk, last_trk,
+						    first_offs, last_offs,
+						    blk_per_trk, blksize);
+		if (IS_ERR(cqr) && PTR_ERR(cqr) != -EAGAIN)
+			cqr = NULL;
+	} else if (use_prefix &&
+		   (((rq_data_dir(req) == READ) && cmdrtd) ||
+		    ((rq_data_dir(req) == WRITE) && cmdwtd))) {
+		cqr = dasd_eckd_build_cp_cmd_track(startdev, block, req,
+						   first_rec, last_rec,
+						   first_trk, last_trk,
+						   first_offs, last_offs,
+						   blk_per_trk, blksize);
+		if (IS_ERR(cqr) && PTR_ERR(cqr) != -EAGAIN)
+			cqr = NULL;
+	}
+	if (!cqr)
+		cqr = dasd_eckd_build_cp_cmd_single(startdev, block, req,
+						    first_rec, last_rec,
+						    first_trk, last_trk,
+						    first_offs, last_offs,
+						    blk_per_trk, blksize);
+	return cqr;
+}
+
 static int
 dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req)
 {
@@ -1767,7 +2448,7 @@ out:
 }
 
 /*
- * Modify ccw chain in cqr so it can be started on a base device.
+ * Modify ccw/tcw in cqr so it can be started on a base device.
  *
  * Note that this is not enough to restart the cqr!
  * Either reset cqr->startdev as well (summary unit check handling)
@@ -1777,13 +2458,24 @@ void dasd_eckd_reset_ccw_to_base_io(struct dasd_ccw_req *cqr)
 {
 	struct ccw1 *ccw;
 	struct PFX_eckd_data *pfxdata;
-
-	ccw = cqr->cpaddr;
-	pfxdata = cqr->data;
-
-	if (ccw->cmd_code == DASD_ECKD_CCW_PFX) {
+	struct tcw *tcw;
+	struct tccb *tccb;
+	struct dcw *dcw;
+
+	if (cqr->cpmode == 1) {
+		tcw = cqr->cpaddr;
+		tccb = tcw_get_tccb(tcw);
+		dcw = (struct dcw *)&tccb->tca[0];
+		pfxdata = (struct PFX_eckd_data *)&dcw->cd[0];
 		pfxdata->validity.verify_base = 0;
 		pfxdata->validity.hyper_pav = 0;
+	} else {
+		ccw = cqr->cpaddr;
+		pfxdata = cqr->data;
+		if (ccw->cmd_code == DASD_ECKD_CCW_PFX) {
+			pfxdata->validity.verify_base = 0;
+			pfxdata->validity.hyper_pav = 0;
+		}
 	}
 }
 
@@ -1861,6 +2553,7 @@ dasd_eckd_release(struct dasd_device *device)
 {
 	struct dasd_ccw_req *cqr;
 	int rc;
+	struct ccw1 *ccw;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
@@ -1868,14 +2561,15 @@ dasd_eckd_release(struct dasd_device *device)
 	cqr = dasd_smalloc_request(dasd_eckd_discipline.name,
 				   1, 32, device);
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Could not allocate initialization request");
 		return PTR_ERR(cqr);
 	}
-	cqr->cpaddr->cmd_code = DASD_ECKD_CCW_RELEASE;
-        cqr->cpaddr->flags |= CCW_FLAG_SLI;
-        cqr->cpaddr->count = 32;
-	cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
+	ccw = cqr->cpaddr;
+	ccw->cmd_code = DASD_ECKD_CCW_RELEASE;
+	ccw->flags |= CCW_FLAG_SLI;
+	ccw->count = 32;
+	ccw->cda = (__u32)(addr_t) cqr->data;
 	cqr->startdev = device;
 	cqr->memdev = device;
 	clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -1902,6 +2596,7 @@ dasd_eckd_reserve(struct dasd_device *device)
 {
 	struct dasd_ccw_req *cqr;
 	int rc;
+	struct ccw1 *ccw;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
@@ -1909,14 +2604,15 @@ dasd_eckd_reserve(struct dasd_device *device)
 	cqr = dasd_smalloc_request(dasd_eckd_discipline.name,
 				   1, 32, device);
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Could not allocate initialization request");
 		return PTR_ERR(cqr);
 	}
-	cqr->cpaddr->cmd_code = DASD_ECKD_CCW_RESERVE;
-        cqr->cpaddr->flags |= CCW_FLAG_SLI;
-        cqr->cpaddr->count = 32;
-	cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
+	ccw = cqr->cpaddr;
+	ccw->cmd_code = DASD_ECKD_CCW_RESERVE;
+	ccw->flags |= CCW_FLAG_SLI;
+	ccw->count = 32;
+	ccw->cda = (__u32)(addr_t) cqr->data;
 	cqr->startdev = device;
 	cqr->memdev = device;
 	clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -1942,6 +2638,7 @@ dasd_eckd_steal_lock(struct dasd_device *device)
 {
 	struct dasd_ccw_req *cqr;
 	int rc;
+	struct ccw1 *ccw;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
@@ -1949,14 +2646,15 @@ dasd_eckd_steal_lock(struct dasd_device *device)
 	cqr = dasd_smalloc_request(dasd_eckd_discipline.name,
 				   1, 32, device);
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Could not allocate initialization request");
 		return PTR_ERR(cqr);
 	}
-	cqr->cpaddr->cmd_code = DASD_ECKD_CCW_SLCK;
-        cqr->cpaddr->flags |= CCW_FLAG_SLI;
-        cqr->cpaddr->count = 32;
-	cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
+	ccw = cqr->cpaddr;
+	ccw->cmd_code = DASD_ECKD_CCW_SLCK;
+	ccw->flags |= CCW_FLAG_SLI;
+	ccw->count = 32;
+	ccw->cda = (__u32)(addr_t) cqr->data;
 	cqr->startdev = device;
 	cqr->memdev = device;
 	clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
@@ -1990,7 +2688,7 @@ dasd_eckd_performance(struct dasd_device *device, void __user *argp)
 				    sizeof(struct dasd_rssd_perf_stats_t)),
 				   device);
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "Could not allocate initialization request");
 		return PTR_ERR(cqr);
 	}
@@ -2080,9 +2778,9 @@ dasd_eckd_set_attrib(struct dasd_device *device, void __user *argp)
 		return -EFAULT;
 	private->attrib = attrib;
 
-	DEV_MESSAGE(KERN_INFO, device,
-		    "cache operation mode set to %x (%i cylinder prestage)",
-		    private->attrib.operation, private->attrib.nr_cyl);
+	dev_info(&device->cdev->dev,
+		 "The DASD cache mode was set to %x (%i cylinder prestage)\n",
+		 private->attrib.operation, private->attrib.nr_cyl);
 	return 0;
 }
 
@@ -2133,7 +2831,7 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
 	/* setup CCWs for PSF + RSSD */
 	cqr = dasd_smalloc_request("ECKD", 2 , 0, device);
 	if (IS_ERR(cqr)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			"Could not allocate initialization request");
 		rc = PTR_ERR(cqr);
 		goto out_free;
@@ -2242,11 +2940,54 @@ dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page)
 	return len;
 }
 
+static void
+dasd_eckd_dump_sense_dbf(struct dasd_device *device, struct dasd_ccw_req *req,
+			 struct irb *irb, char *reason)
+{
+	u64 *sense;
+	int sl;
+	struct tsb *tsb;
+
+	sense = NULL;
+	tsb = NULL;
+	if (req && scsw_is_tm(&req->irb.scsw)) {
+		if (irb->scsw.tm.tcw)
+			tsb = tcw_get_tsb(
+				(struct tcw *)(unsigned long)irb->scsw.tm.tcw);
+		if (tsb && (irb->scsw.tm.fcxs == 0x01)) {
+			switch (tsb->flags & 0x07) {
+			case 1:	/* tsa_iostat */
+				sense = (u64 *)tsb->tsa.iostat.sense;
+			break;
+			case 2: /* ts_ddpc */
+				sense = (u64 *)tsb->tsa.ddpc.sense;
+			break;
+			case 3: /* tsa_intrg */
+			break;
+			}
+		}
+	} else {
+		if (irb->esw.esw0.erw.cons)
+			sense = (u64 *)irb->ecw;
+	}
+	if (sense) {
+		for (sl = 0; sl < 4; sl++) {
+			DBF_DEV_EVENT(DBF_EMERG, device,
+				      "%s: %016llx %016llx %016llx %016llx",
+				      reason, sense[0], sense[1], sense[2],
+				      sense[3]);
+		}
+	} else {
+		DBF_DEV_EVENT(DBF_EMERG, device, "%s",
+			      "SORRY - NO VALID SENSE AVAILABLE\n");
+	}
+}
+
 /*
  * Print sense data and related channel program.
  * Parts are printed because printk buffer is only 1024 bytes.
  */
-static void dasd_eckd_dump_sense(struct dasd_device *device,
+static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
 				 struct dasd_ccw_req *req, struct irb *irb)
 {
 	char *page;
@@ -2255,8 +2996,8 @@ static void dasd_eckd_dump_sense(struct dasd_device *device,
 
 	page = (char *) get_zeroed_page(GFP_ATOMIC);
 	if (page == NULL) {
-		DEV_MESSAGE(KERN_ERR, device, " %s",
-			    "No memory to dump sense data");
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+			      "No memory to dump sense data\n");
 		return;
 	}
 	/* dump the sense data */
@@ -2265,7 +3006,7 @@ static void dasd_eckd_dump_sense(struct dasd_device *device,
 		      dev_name(&device->cdev->dev));
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " in req: %p CS: 0x%02X DS: 0x%02X\n", req,
-		       irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
+		       scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw));
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " device %s: Failing CCW: %p\n",
 		       dev_name(&device->cdev->dev),
@@ -2341,6 +3082,147 @@ static void dasd_eckd_dump_sense(struct dasd_device *device,
 	free_page((unsigned long) page);
 }
 
+
+/*
+ * Print sense data from a tcw.
+ */
+static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
+				 struct dasd_ccw_req *req, struct irb *irb)
+{
+	char *page;
+	int len, sl, sct, residual;
+
+	struct tsb *tsb;
+	u8 *sense;
+
+
+	page = (char *) get_zeroed_page(GFP_ATOMIC);
+	if (page == NULL) {
+		DBF_DEV_EVENT(DBF_WARNING, device, " %s",
+			    "No memory to dump sense data");
+		return;
+	}
+	/* dump the sense data */
+	len = sprintf(page,  KERN_ERR PRINTK_HEADER
+		      " I/O status report for device %s:\n",
+		      dev_name(&device->cdev->dev));
+	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+		       " in req: %p CS: 0x%02X DS: 0x%02X "
+		       "fcxs: 0x%02X schxs: 0x%02X\n", req,
+		       scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
+		       irb->scsw.tm.fcxs, irb->scsw.tm.schxs);
+	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+		       " device %s: Failing TCW: %p\n",
+		       dev_name(&device->cdev->dev),
+		       (void *) (addr_t) irb->scsw.tm.tcw);
+
+	tsb = NULL;
+	sense = NULL;
+	if (irb->scsw.tm.tcw)
+		tsb = tcw_get_tsb(
+			(struct tcw *)(unsigned long)irb->scsw.tm.tcw);
+
+	if (tsb && (irb->scsw.tm.fcxs == 0x01)) {
+		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->length %d\n", tsb->length);
+		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->flags %x\n", tsb->flags);
+		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->dcw_offset %d\n", tsb->dcw_offset);
+		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->count %d\n", tsb->count);
+		residual = tsb->count - 28;
+		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " residual %d\n", residual);
+
+		switch (tsb->flags & 0x07) {
+		case 1:	/* tsa_iostat */
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.iostat.dev_time %d\n",
+				       tsb->tsa.iostat.dev_time);
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.iostat.def_time %d\n",
+				       tsb->tsa.iostat.def_time);
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.iostat.queue_time %d\n",
+				       tsb->tsa.iostat.queue_time);
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.iostat.dev_busy_time %d\n",
+				       tsb->tsa.iostat.dev_busy_time);
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.iostat.dev_act_time %d\n",
+				       tsb->tsa.iostat.dev_act_time);
+			sense = tsb->tsa.iostat.sense;
+			break;
+		case 2: /* ts_ddpc */
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.ddpc.rc %d\n", tsb->tsa.ddpc.rc);
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+			       " tsb->tsa.ddpc.rcq:  ");
+			for (sl = 0; sl < 16; sl++) {
+				for (sct = 0; sct < 8; sct++) {
+					len += sprintf(page + len, " %02x",
+						       tsb->tsa.ddpc.rcq[sl]);
+				}
+				len += sprintf(page + len, "\n");
+			}
+			sense = tsb->tsa.ddpc.sense;
+			break;
+		case 3: /* tsa_intrg */
+			len += sprintf(page + len, KERN_ERR PRINTK_HEADER
+				      " tsb->tsa.intrg.: not supportet yet \n");
+			break;
+		}
+
+		if (sense) {
+			for (sl = 0; sl < 4; sl++) {
+				len += sprintf(page + len,
+					       KERN_ERR PRINTK_HEADER
+					       " Sense(hex) %2d-%2d:",
+					       (8 * sl), ((8 * sl) + 7));
+				for (sct = 0; sct < 8; sct++) {
+					len += sprintf(page + len, " %02x",
+						       sense[8 * sl + sct]);
+				}
+				len += sprintf(page + len, "\n");
+			}
+
+			if (sense[27] & DASD_SENSE_BIT_0) {
+				/* 24 Byte Sense Data */
+				sprintf(page + len, KERN_ERR PRINTK_HEADER
+					" 24 Byte: %x MSG %x, "
+					"%s MSGb to SYSOP\n",
+					sense[7] >> 4, sense[7] & 0x0f,
+					sense[1] & 0x10 ? "" : "no");
+			} else {
+				/* 32 Byte Sense Data */
+				sprintf(page + len, KERN_ERR PRINTK_HEADER
+					" 32 Byte: Format: %x "
+					"Exception class %x\n",
+					sense[6] & 0x0f, sense[22] >> 4);
+			}
+		} else {
+			sprintf(page + len, KERN_ERR PRINTK_HEADER
+				" SORRY - NO VALID SENSE AVAILABLE\n");
+		}
+	} else {
+		sprintf(page + len, KERN_ERR PRINTK_HEADER
+			" SORRY - NO TSB DATA AVAILABLE\n");
+	}
+	printk("%s", page);
+	free_page((unsigned long) page);
+}
+
+static void dasd_eckd_dump_sense(struct dasd_device *device,
+				 struct dasd_ccw_req *req, struct irb *irb)
+{
+	if (req && scsw_is_tm(&req->irb.scsw))
+		dasd_eckd_dump_sense_tcw(device, req, irb);
+	else
+		dasd_eckd_dump_sense_ccw(device, req, irb);
+}
+
+
 /*
  * max_blocks is dependent on the amount of storage that is available
  * in the static io buffer for each device. Currently each device has
@@ -2375,6 +3257,7 @@ static struct dasd_discipline dasd_eckd_discipline = {
 	.build_cp = dasd_eckd_build_alias_cp,
 	.free_cp = dasd_eckd_free_alias_cp,
 	.dump_sense = dasd_eckd_dump_sense,
+	.dump_sense_dbf = dasd_eckd_dump_sense_dbf,
 	.fill_info = dasd_eckd_fill_info,
 	.ioctl = dasd_eckd_ioctl,
 };
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 2476f87d21d0..ad45bcac3ce4 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -38,8 +38,11 @@
 #define DASD_ECKD_CCW_RELEASE		 0x94
 #define DASD_ECKD_CCW_READ_CKD_MT	 0x9e
 #define DASD_ECKD_CCW_WRITE_CKD_MT	 0x9d
+#define DASD_ECKD_CCW_WRITE_TRACK_DATA	 0xA5
+#define DASD_ECKD_CCW_READ_TRACK_DATA	 0xA6
 #define DASD_ECKD_CCW_RESERVE		 0xB4
 #define DASD_ECKD_CCW_PFX		 0xE7
+#define DASD_ECKD_CCW_PFX_READ		 0xEA
 #define DASD_ECKD_CCW_RSCK		 0xF9
 
 /*
@@ -48,6 +51,11 @@
 #define PSF_ORDER_PRSSD 0x18
 #define PSF_ORDER_SSC	0x1D
 
+/*
+ * Size that is reportet for large volumes in the old 16-bit no_cyl field
+ */
+#define LV_COMPAT_CYL 0xFFFE
+
 /*****************************************************************************
  * SECTION: Type Definitions
  ****************************************************************************/
@@ -118,7 +126,9 @@ struct DE_eckd_data {
 	unsigned long long ep_sys_time; /* Ext Parameter - System Time Stamp */
 	__u8 ep_format;        /* Extended Parameter format byte       */
 	__u8 ep_prio;          /* Extended Parameter priority I/O byte */
-	__u8 ep_reserved[6];   /* Extended Parameter Reserved          */
+	__u8 ep_reserved1;     /* Extended Parameter Reserved	       */
+	__u8 ep_rec_per_track; /* Number of records on a track	       */
+	__u8 ep_reserved[4];   /* Extended Parameter Reserved	       */
 } __attribute__ ((packed));
 
 struct LO_eckd_data {
@@ -139,11 +149,37 @@ struct LO_eckd_data {
 	__u16 length;
 } __attribute__ ((packed));
 
+struct LRE_eckd_data {
+	struct {
+		unsigned char orientation:2;
+		unsigned char operation:6;
+	} __attribute__ ((packed)) operation;
+	struct {
+		unsigned char length_valid:1;
+		unsigned char length_scope:1;
+		unsigned char imbedded_ccw_valid:1;
+		unsigned char check_bytes:2;
+		unsigned char imbedded_count_valid:1;
+		unsigned char reserved:1;
+		unsigned char read_count_suffix:1;
+	} __attribute__ ((packed)) auxiliary;
+	__u8 imbedded_ccw;
+	__u8 count;
+	struct ch_t seek_addr;
+	struct chr_t search_arg;
+	__u8 sector;
+	__u16 length;
+	__u8 imbedded_count;
+	__u8 extended_operation;
+	__u16 extended_parameter_length;
+	__u8 extended_parameter[0];
+} __attribute__ ((packed));
+
 /* Prefix data for format 0x00 and 0x01 */
 struct PFX_eckd_data {
 	unsigned char format;
 	struct {
-		unsigned char define_extend:1;
+		unsigned char define_extent:1;
 		unsigned char time_stamp:1;
 		unsigned char verify_base:1;
 		unsigned char hyper_pav:1;
@@ -153,9 +189,8 @@ struct PFX_eckd_data {
 	__u8 aux;
 	__u8 base_lss;
 	__u8 reserved[7];
-	struct DE_eckd_data define_extend;
-	struct LO_eckd_data locate_record;
-	__u8 LO_extended_data[4];
+	struct DE_eckd_data define_extent;
+	struct LRE_eckd_data locate_record;
 } __attribute__ ((packed));
 
 struct dasd_eckd_characteristics {
@@ -228,7 +263,8 @@ struct dasd_eckd_characteristics {
 	__u8 factor7;
 	__u8 factor8;
 	__u8 reserved2[3];
-	__u8 reserved3[10];
+	__u8 reserved3[6];
+	__u32 long_no_cyl;
 } __attribute__ ((packed));
 
 /* elements of the configuration data */
@@ -406,6 +442,7 @@ struct dasd_eckd_private {
 	int uses_cdl;
 	struct attrib_data_t attrib;	/* e.g. cache operations */
 	struct dasd_rssd_features features;
+	u32 real_cyl;
 
 	/* alias managemnet */
 	struct dasd_uid uid;
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index f8e05ce98621..c24c8c30380d 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -6,6 +6,8 @@
  *  Author(s): Stefan Weinhuber <wein@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/kernel.h>
@@ -297,11 +299,12 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device,
 	struct dasd_eer_header header;
 	unsigned long flags;
 	struct eerbuffer *eerb;
+	char *sense;
 
 	/* go through cqr chain and count the valid sense data sets */
 	data_size = 0;
 	for (temp_cqr = cqr; temp_cqr; temp_cqr = temp_cqr->refers)
-		if (temp_cqr->irb.esw.esw0.erw.cons)
+		if (dasd_get_sense(&temp_cqr->irb))
 			data_size += 32;
 
 	header.total_size = sizeof(header) + data_size + 4; /* "EOR" */
@@ -316,9 +319,11 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device,
 	list_for_each_entry(eerb, &bufferlist, list) {
 		dasd_eer_start_record(eerb, header.total_size);
 		dasd_eer_write_buffer(eerb, (char *) &header, sizeof(header));
-		for (temp_cqr = cqr; temp_cqr; temp_cqr = temp_cqr->refers)
-			if (temp_cqr->irb.esw.esw0.erw.cons)
-				dasd_eer_write_buffer(eerb, cqr->irb.ecw, 32);
+		for (temp_cqr = cqr; temp_cqr; temp_cqr = temp_cqr->refers) {
+			sense = dasd_get_sense(&temp_cqr->irb);
+			if (sense)
+				dasd_eer_write_buffer(eerb, sense, 32);
+		}
 		dasd_eer_write_buffer(eerb, "EOR", 4);
 	}
 	spin_unlock_irqrestore(&bufferlock, flags);
@@ -451,6 +456,7 @@ int dasd_eer_enable(struct dasd_device *device)
 {
 	struct dasd_ccw_req *cqr;
 	unsigned long flags;
+	struct ccw1 *ccw;
 
 	if (device->eer_cqr)
 		return 0;
@@ -468,10 +474,11 @@ int dasd_eer_enable(struct dasd_device *device)
 	cqr->expires = 10 * HZ;
 	clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
 
-	cqr->cpaddr->cmd_code = DASD_ECKD_CCW_SNSS;
-	cqr->cpaddr->count = SNSS_DATA_SIZE;
-	cqr->cpaddr->flags = 0;
-	cqr->cpaddr->cda = (__u32)(addr_t) cqr->data;
+	ccw = cqr->cpaddr;
+	ccw->cmd_code = DASD_ECKD_CCW_SNSS;
+	ccw->count = SNSS_DATA_SIZE;
+	ccw->flags = 0;
+	ccw->cda = (__u32)(addr_t) cqr->data;
 
 	cqr->buildclk = get_clock();
 	cqr->status = DASD_CQR_FILLED;
@@ -534,7 +541,7 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
 	if (eerb->buffer_page_count < 1 ||
 	    eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {
 		kfree(eerb);
-		MESSAGE(KERN_WARNING, "can't open device since module "
+		DBF_EVENT(DBF_WARNING, "can't open device since module "
 			"parameter eer_pages is smaller than 1 or"
 			" bigger than %d", (int)(INT_MAX / PAGE_SIZE));
 		unlock_kernel();
@@ -687,7 +694,7 @@ int __init dasd_eer_init(void)
 	if (rc) {
 		kfree(dasd_eer_dev);
 		dasd_eer_dev = NULL;
-		MESSAGE(KERN_ERR, "%s", "dasd_eer_init could not "
+		DBF_EVENT(DBF_ERR, "%s", "dasd_eer_init could not "
 		       "register misc device");
 		return rc;
 	}
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index 8f10000851a3..d970ce2814be 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -9,6 +9,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/ctype.h>
 #include <linux/init.h>
 
@@ -91,14 +93,14 @@ dasd_default_erp_action(struct dasd_ccw_req *cqr)
 
         /* just retry - there is nothing to save ... I got no sense data.... */
         if (cqr->retries > 0) {
-		DEV_MESSAGE (KERN_DEBUG, device,
+		DBF_DEV_EVENT(DBF_DEBUG, device,
                              "default ERP called (%i retries left)",
                              cqr->retries);
 		cqr->lpm    = LPM_ANYPATH;
 		cqr->status = DASD_CQR_FILLED;
         } else {
-                DEV_MESSAGE (KERN_WARNING, device, "%s",
-			     "default ERP called (NO retry left)");
+		dev_err(&device->cdev->dev,
+			"default ERP has run out of retries and failed\n");
 		cqr->status = DASD_CQR_FAILED;
 		cqr->stopclk = get_clock();
         }
@@ -162,8 +164,21 @@ dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb)
 		device->discipline->dump_sense(device, cqr, irb);
 }
 
+void
+dasd_log_sense_dbf(struct dasd_ccw_req *cqr, struct irb *irb)
+{
+	struct dasd_device *device;
+
+	device = cqr->startdev;
+	/* dump sense data to s390 debugfeature*/
+	if (device->discipline && device->discipline->dump_sense_dbf)
+		device->discipline->dump_sense_dbf(device, cqr, irb, "log");
+}
+EXPORT_SYMBOL(dasd_log_sense_dbf);
+
 EXPORT_SYMBOL(dasd_default_erp_action);
 EXPORT_SYMBOL(dasd_default_erp_postaction);
 EXPORT_SYMBOL(dasd_alloc_erp_request);
 EXPORT_SYMBOL(dasd_free_erp_request);
 EXPORT_SYMBOL(dasd_log_sense);
+
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index f1d176021694..a3eb6fd14673 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -6,6 +6,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <asm/debug.h>
@@ -128,17 +130,18 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 		private = kzalloc(sizeof(struct dasd_fba_private),
 				  GFP_KERNEL | GFP_DMA);
 		if (private == NULL) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "memory allocation failed for private "
-				    "data");
+			dev_warn(&device->cdev->dev,
+				 "Allocating memory for private DASD "
+				 "data failed\n");
 			return -ENOMEM;
 		}
 		device->private = (void *) private;
 	}
 	block = dasd_alloc_block();
 	if (IS_ERR(block)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "could not allocate dasd block structure");
+		DBF_EVENT(DBF_WARNING, "could not allocate dasd block "
+			  "structure for device: %s",
+			  dev_name(&device->cdev->dev));
 		device->private = NULL;
 		kfree(private);
 		return PTR_ERR(block);
@@ -150,9 +153,9 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 	rdc_data = (void *) &(private->rdc_data);
 	rc = dasd_generic_read_dev_chars(device, "FBA ", &rdc_data, 32);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device,
-			    "Read device characteristics returned error %d",
-			    rc);
+		DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
+			  "error %d for device: %s",
+			  rc, dev_name(&device->cdev->dev));
 		device->block = NULL;
 		dasd_free_block(block);
 		device->private = NULL;
@@ -160,15 +163,16 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 		return rc;
 	}
 
-	DEV_MESSAGE(KERN_INFO, device,
-		    "%04X/%02X(CU:%04X/%02X) %dMB at(%d B/blk)",
-		    cdev->id.dev_type,
-		    cdev->id.dev_model,
-		    cdev->id.cu_type,
-		    cdev->id.cu_model,
-		    ((private->rdc_data.blk_bdsa *
-		      (private->rdc_data.blk_size >> 9)) >> 11),
-		    private->rdc_data.blk_size);
+	dev_info(&device->cdev->dev,
+		 "New FBA DASD %04X/%02X (CU %04X/%02X) with %d MB "
+		 "and %d B/blk\n",
+		 cdev->id.dev_type,
+		 cdev->id.dev_model,
+		 cdev->id.cu_type,
+		 cdev->id.cu_model,
+		 ((private->rdc_data.blk_bdsa *
+		   (private->rdc_data.blk_size >> 9)) >> 11),
+		 private->rdc_data.blk_size);
 	return 0;
 }
 
@@ -180,7 +184,7 @@ static int dasd_fba_do_analysis(struct dasd_block *block)
 	private = (struct dasd_fba_private *) block->base->private;
 	rc = dasd_check_blocksize(private->rdc_data.blk_size);
 	if (rc) {
-		DEV_MESSAGE(KERN_INFO, block->base, "unknown blocksize %d",
+		DBF_DEV_EVENT(DBF_WARNING, block->base, "unknown blocksize %d",
 			    private->rdc_data.blk_size);
 		return rc;
 	}
@@ -215,7 +219,7 @@ dasd_fba_erp_postaction(struct dasd_ccw_req * cqr)
 	if (cqr->function == dasd_default_erp_action)
 		return dasd_default_erp_postaction;
 
-	DEV_MESSAGE(KERN_WARNING, cqr->startdev, "unknown ERP action %p",
+	DBF_DEV_EVENT(DBF_WARNING, cqr->startdev, "unknown ERP action %p",
 		    cqr->function);
 	return NULL;
 }
@@ -233,9 +237,9 @@ static void dasd_fba_handle_unsolicited_interrupt(struct dasd_device *device,
 	}
 
 	/* check for unsolicited interrupts */
-	DEV_MESSAGE(KERN_DEBUG, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "unsolicited interrupt received");
-	device->discipline->dump_sense(device, NULL, irb);
+	device->discipline->dump_sense_dbf(device, NULL, irb, "unsolicited");
 	dasd_schedule_device_bh(device);
 	return;
 };
@@ -437,6 +441,25 @@ dasd_fba_fill_info(struct dasd_device * device,
 }
 
 static void
+dasd_fba_dump_sense_dbf(struct dasd_device *device, struct dasd_ccw_req *req,
+			 struct irb *irb, char *reason)
+{
+	int sl;
+	if (irb->esw.esw0.erw.cons) {
+		for (sl = 0; sl < 4; sl++) {
+			DBF_DEV_EVENT(DBF_EMERG, device,
+				      "%s: %08x %08x %08x %08x",
+				      reason, irb->ecw[8 * 0], irb->ecw[8 * 1],
+				      irb->ecw[8 * 2], irb->ecw[8 * 3]);
+		}
+	} else {
+		DBF_DEV_EVENT(DBF_EMERG, device, "%s",
+			      "SORRY - NO VALID SENSE AVAILABLE\n");
+	}
+}
+
+
+static void
 dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		    struct irb *irb)
 {
@@ -446,7 +469,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 
 	page = (char *) get_zeroed_page(GFP_ATOMIC);
 	if (page == NULL) {
-		DEV_MESSAGE(KERN_ERR, device, " %s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "No memory to dump sense data");
 		return;
 	}
@@ -476,8 +499,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 	        len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 			       " SORRY - NO VALID SENSE AVAILABLE\n");
 	}
-	MESSAGE_LOG(KERN_ERR, "%s",
-		    page + sizeof(KERN_ERR PRINTK_HEADER));
+	printk(KERN_ERR "%s", page);
 
 	/* dump the Channel Program */
 	/* print first CCWs (maximum 8) */
@@ -498,8 +520,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		len += sprintf(page + len, "\n");
 		act++;
 	}
-	MESSAGE_LOG(KERN_ERR, "%s",
-		    page + sizeof(KERN_ERR PRINTK_HEADER));
+	printk(KERN_ERR "%s", page);
 
 
 	/* print failing CCW area */
@@ -540,8 +561,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		act++;
 	}
 	if (len > 0)
-		MESSAGE_LOG(KERN_ERR, "%s",
-			    page + sizeof(KERN_ERR PRINTK_HEADER));
+		printk(KERN_ERR "%s", page);
 	free_page((unsigned long) page);
 }
 
@@ -576,6 +596,7 @@ static struct dasd_discipline dasd_fba_discipline = {
 	.build_cp = dasd_fba_build_cp,
 	.free_cp = dasd_fba_free_cp,
 	.dump_sense = dasd_fba_dump_sense,
+	.dump_sense_dbf = dasd_fba_dump_sense_dbf,
 	.fill_info = dasd_fba_fill_info,
 };
 
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index e99d566b69cc..d3198303b93c 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -11,6 +11,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/interrupt.h>
 #include <linux/fs.h>
 #include <linux/blkpg.h>
@@ -163,9 +165,8 @@ int dasd_gendisk_init(void)
 	/* Register to static dasd major 94 */
 	rc = register_blkdev(DASD_MAJOR, "dasd");
 	if (rc != 0) {
-		MESSAGE(KERN_WARNING,
-			"Couldn't register successfully to "
-			"major no %d", DASD_MAJOR);
+		pr_warning("Registering the device driver with major number "
+			   "%d failed\n", DASD_MAJOR);
 		return rc;
 	}
 	return 0;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 4a39084d9c95..c1e487f774c6 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -112,6 +112,9 @@ do { \
 				d_data); \
 } while(0)
 
+/* limit size for an errorstring */
+#define ERRORLENGTH 30
+
 /* definition of dbf debug levels */
 #define	DBF_EMERG	0	/* system is unusable			*/
 #define	DBF_ALERT	1	/* action must be taken immediately	*/
@@ -157,7 +160,8 @@ struct dasd_ccw_req {
 	struct dasd_block *block;	/* the originating block device */
 	struct dasd_device *memdev;	/* the device used to allocate this */
 	struct dasd_device *startdev;	/* device the request is started on */
-	struct ccw1 *cpaddr;		/* address of channel program */
+	void *cpaddr;			/* address of ccw or tcw */
+	unsigned char cpmode;		/* 0 = cmd mode, 1 = itcw */
 	char status;			/* status of this request */
 	short retries;			/* A retry counter */
 	unsigned long flags;        	/* flags of this request */
@@ -280,6 +284,8 @@ struct dasd_discipline {
 	dasd_erp_fn_t(*erp_postaction) (struct dasd_ccw_req *);
 	void (*dump_sense) (struct dasd_device *, struct dasd_ccw_req *,
 			    struct irb *);
+	void (*dump_sense_dbf) (struct dasd_device *, struct dasd_ccw_req *,
+			    struct irb *, char *);
 
 	void (*handle_unsolicited_interrupt) (struct dasd_device *,
 					      struct irb *);
@@ -378,7 +384,7 @@ struct dasd_block {
 	struct block_device *bdev;
 	atomic_t open_count;
 
-	unsigned long blocks;	   /* size of volume in blocks */
+	unsigned long long blocks; /* size of volume in blocks */
 	unsigned int bp_block;	   /* bytes per block */
 	unsigned int s2b_shift;	   /* log2 (bp_block/512) */
 
@@ -573,12 +579,14 @@ int dasd_generic_notify(struct ccw_device *, int);
 void dasd_generic_handle_state_change(struct dasd_device *);
 
 int dasd_generic_read_dev_chars(struct dasd_device *, char *, void **, int);
+char *dasd_get_sense(struct irb *);
 
 /* externals in dasd_devmap.c */
 extern int dasd_max_devindex;
 extern int dasd_probeonly;
 extern int dasd_autodetect;
 extern int dasd_nopav;
+extern int dasd_nofcx;
 
 int dasd_devmap_init(void);
 void dasd_devmap_exit(void);
@@ -623,6 +631,7 @@ struct dasd_ccw_req *dasd_alloc_erp_request(char *, int, int,
 					    struct dasd_device *);
 void dasd_free_erp_request(struct dasd_ccw_req *, struct dasd_device *);
 void dasd_log_sense(struct dasd_ccw_req *, struct irb *);
+void dasd_log_sense_dbf(struct dasd_ccw_req *cqr, struct irb *irb);
 
 /* externals in dasd_3990_erp.c */
 struct dasd_ccw_req *dasd_3990_erp_action(struct dasd_ccw_req *);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index b82d816d9ef7..4ce3f72ee1c1 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -9,6 +9,9 @@
  *
  * i/o controls for the dasd driver.
  */
+
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/interrupt.h>
 #include <linux/major.h>
 #include <linux/fs.h>
@@ -94,7 +97,8 @@ static int dasd_ioctl_quiesce(struct dasd_block *block)
 	if (!capable (CAP_SYS_ADMIN))
 		return -EACCES;
 
-	DEV_MESSAGE(KERN_DEBUG, base, "%s", "Quiesce IO on device");
+	dev_info(&base->cdev->dev, "The DASD has been put in the quiesce "
+		 "state\n");
 	spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
 	base->stopped |= DASD_STOPPED_QUIESCE;
 	spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
@@ -103,7 +107,7 @@ static int dasd_ioctl_quiesce(struct dasd_block *block)
 
 
 /*
- * Quiesce device.
+ * Resume device.
  */
 static int dasd_ioctl_resume(struct dasd_block *block)
 {
@@ -114,7 +118,8 @@ static int dasd_ioctl_resume(struct dasd_block *block)
 	if (!capable (CAP_SYS_ADMIN))
 		return -EACCES;
 
-	DEV_MESSAGE(KERN_DEBUG, base, "%s", "resume IO on device");
+	dev_info(&base->cdev->dev, "I/O operations have been resumed "
+		 "on the DASD\n");
 	spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
 	base->stopped &= ~DASD_STOPPED_QUIESCE;
 	spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
@@ -140,13 +145,13 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
 		return -EPERM;
 
 	if (base->state != DASD_STATE_BASIC) {
-		DEV_MESSAGE(KERN_WARNING, base, "%s",
-			    "dasd_format: device is not disabled! ");
+		dev_warn(&base->cdev->dev,
+			 "The DASD cannot be formatted while it is enabled\n");
 		return -EBUSY;
 	}
 
 	DBF_DEV_EVENT(DBF_NOTICE, base,
-		      "formatting units %d to %d (%d B blocks) flags %d",
+		      "formatting units %u to %u (%u B blocks) flags %u",
 		      fdata->start_unit,
 		      fdata->stop_unit, fdata->blksize, fdata->intensity);
 
@@ -169,10 +174,9 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
 		dasd_sfree_request(cqr, cqr->memdev);
 		if (rc) {
 			if (rc != -ERESTARTSYS)
-				DEV_MESSAGE(KERN_ERR, base,
-					    " Formatting of unit %d failed "
-					    "with rc = %d",
-					    fdata->start_unit, rc);
+				dev_err(&base->cdev->dev,
+					"Formatting unit %d failed with "
+					"rc=%d\n", fdata->start_unit, rc);
 			return rc;
 		}
 		fdata->start_unit++;
@@ -199,8 +203,9 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp)
 	if (copy_from_user(&fdata, argp, sizeof(struct format_data_t)))
 		return -EFAULT;
 	if (bdev != bdev->bd_contains) {
-		DEV_MESSAGE(KERN_WARNING, block->base, "%s",
-			    "Cannot low-level format a partition");
+		dev_warn(&block->base->cdev->dev,
+			 "The specified DASD is a partition and cannot be "
+			 "formatted\n");
 		return -EINVAL;
 	}
 	return dasd_format(block, &fdata);
@@ -365,9 +370,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
 	return ret;
 }
 
-int
-dasd_ioctl(struct block_device *bdev, fmode_t mode,
-	   unsigned int cmd, unsigned long arg)
+static int
+dasd_do_ioctl(struct block_device *bdev, fmode_t mode,
+	      unsigned int cmd, unsigned long arg)
 {
 	struct dasd_block *block = bdev->bd_disk->private_data;
 	void __user *argp = (void __user *)arg;
@@ -420,3 +425,14 @@ dasd_ioctl(struct block_device *bdev, fmode_t mode,
 		return -EINVAL;
 	}
 }
+
+int dasd_ioctl(struct block_device *bdev, fmode_t mode,
+	       unsigned int cmd, unsigned long arg)
+{
+	int rc;
+
+	lock_kernel();
+	rc = dasd_do_ioctl(bdev, mode, cmd, arg);
+	unlock_kernel();
+	return rc;
+}
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index bf6fd348f20e..2080ba6a69b0 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -11,6 +11,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/ctype.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
@@ -112,7 +114,7 @@ dasd_devices_show(struct seq_file *m, void *v)
 			seq_printf(m, "n/f	 ");
 		else
 			seq_printf(m,
-				   "at blocksize: %d, %ld blocks, %ld MB",
+				   "at blocksize: %d, %lld blocks, %lld MB",
 				   block->bp_block, block->blocks,
 				   ((block->bp_block >> 9) *
 				    block->blocks) >> 11);
@@ -267,7 +269,7 @@ dasd_statistics_write(struct file *file, const char __user *user_buf,
 	buffer = dasd_get_user_string(user_buf, user_len);
 	if (IS_ERR(buffer))
 		return PTR_ERR(buffer);
-	MESSAGE_LOG(KERN_INFO, "/proc/dasd/statictics: '%s'", buffer);
+	DBF_EVENT(DBF_DEBUG, "/proc/dasd/statictics: '%s'\n", buffer);
 
 	/* check for valid verbs */
 	for (str = buffer; isspace(*str); str++);
@@ -277,33 +279,33 @@ dasd_statistics_write(struct file *file, const char __user *user_buf,
 		if (strcmp(str, "on") == 0) {
 			/* switch on statistics profiling */
 			dasd_profile_level = DASD_PROFILE_ON;
-			MESSAGE(KERN_INFO, "%s", "Statistics switched on");
+			pr_info("The statistics feature has been switched "
+				"on\n");
 		} else if (strcmp(str, "off") == 0) {
 			/* switch off and reset statistics profiling */
 			memset(&dasd_global_profile,
 			       0, sizeof (struct dasd_profile_info_t));
 			dasd_profile_level = DASD_PROFILE_OFF;
-			MESSAGE(KERN_INFO, "%s", "Statistics switched off");
+			pr_info("The statistics feature has been switched "
+				"off\n");
 		} else
 			goto out_error;
 	} else if (strncmp(str, "reset", 5) == 0) {
 		/* reset the statistics */
 		memset(&dasd_global_profile, 0,
 		       sizeof (struct dasd_profile_info_t));
-		MESSAGE(KERN_INFO, "%s", "Statistics reset");
+		pr_info("The statistics have been reset\n");
 	} else
 		goto out_error;
 	kfree(buffer);
 	return user_len;
 out_error:
-	MESSAGE(KERN_WARNING, "%s",
-		"/proc/dasd/statistics: only 'set on', 'set off' "
-		"and 'reset' are supported verbs");
+	pr_warning("%s is not a supported value for /proc/dasd/statistics\n",
+		str);
 	kfree(buffer);
 	return -EINVAL;
 #else
-	MESSAGE(KERN_WARNING, "%s",
-		"/proc/dasd/statistics: is not activated in this kernel");
+	pr_warning("/proc/dasd/statistics: is not activated in this kernel\n");
 	return user_len;
 #endif				/* CONFIG_DASD_PROFILE */
 }
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index d0d565a05dfe..c07809c8016a 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -324,8 +324,6 @@ static inline void tape_proc_cleanup (void) {;}
 #endif
 
 /* a function for dumping device sense info */
-extern void tape_dump_sense(struct tape_device *, struct tape_request *,
-			    struct irb *);
 extern void tape_dump_sense_dbf(struct tape_device *, struct tape_request *,
 				struct irb *);
 
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 22ca34361ed7..807ded5eb049 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -8,6 +8,8 @@
  *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "tape"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/bio.h>
@@ -18,8 +20,6 @@
 #include "tape.h"
 #include "tape_std.h"
 
-#define PRINTK_HEADER "TAPE_34XX: "
-
 /*
  * Pointer to debug area.
  */
@@ -203,8 +203,7 @@ tape_34xx_unsolicited_irq(struct tape_device *device, struct irb *irb)
 		tape_34xx_schedule_work(device, TO_MSEN);
 	} else {
 		DBF_EVENT(3, "unsol.irq! dev end: %08x\n", device->cdev_id);
-		PRINT_WARN("Unsolicited IRQ (Device End) caught.\n");
-		tape_dump_sense(device, NULL, irb);
+		tape_dump_sense_dbf(device, NULL, irb);
 	}
 	return TAPE_IO_SUCCESS;
 }
@@ -226,9 +225,7 @@ tape_34xx_erp_read_opposite(struct tape_device *device,
 		tape_std_read_backward(device, request);
 		return tape_34xx_erp_retry(request);
 	}
-	if (request->op != TO_RBA)
-		PRINT_ERR("read_opposite called with state:%s\n",
-			  tape_op_verbose[request->op]);
+
 	/*
 	 * We tried to read forward and backward, but hat no
 	 * success -> failed.
@@ -241,13 +238,9 @@ tape_34xx_erp_bug(struct tape_device *device, struct tape_request *request,
 		  struct irb *irb, int no)
 {
 	if (request->op != TO_ASSIGN) {
-		PRINT_WARN("An unexpected condition #%d was caught in "
-			   "tape error recovery.\n", no);
-		PRINT_WARN("Please report this incident.\n");
-		if (request)
-			PRINT_WARN("Operation of tape:%s\n",
-				   tape_op_verbose[request->op]);
-		tape_dump_sense(device, request, irb);
+		dev_err(&device->cdev->dev, "An unexpected condition %d "
+			"occurred in tape error recovery\n", no);
+		tape_dump_sense_dbf(device, request, irb);
 	}
 	return tape_34xx_erp_failed(request, -EIO);
 }
@@ -261,9 +254,8 @@ tape_34xx_erp_overrun(struct tape_device *device, struct tape_request *request,
 		      struct irb *irb)
 {
 	if (irb->ecw[3] == 0x40) {
-		PRINT_WARN ("Data overrun error between control-unit "
-			    "and drive. Use a faster channel connection, "
-			    "if possible! \n");
+		dev_warn (&device->cdev->dev, "A data overrun occurred between"
+			" the control unit and tape unit\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	}
 	return tape_34xx_erp_bug(device, request, irb, -1);
@@ -280,7 +272,8 @@ tape_34xx_erp_sequence(struct tape_device *device,
 		/*
 		 * cu detected incorrect block-id sequence on tape.
 		 */
-		PRINT_WARN("Illegal block-id sequence found!\n");
+		dev_warn (&device->cdev->dev, "The block ID sequence on the "
+			"tape is incorrect\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	}
 	/*
@@ -393,8 +386,6 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 			/* Writing at physical end of volume */
 			return tape_34xx_erp_failed(request, -ENOSPC);
 		default:
-			PRINT_ERR("Invalid op in %s:%i\n",
-				  __func__, __LINE__);
 			return tape_34xx_erp_failed(request, 0);
 		}
 	}
@@ -420,7 +411,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 							 irb, -4);
 
 			/* data check is permanent, CU recovery has failed */
-			PRINT_WARN("Permanent read error\n");
+			dev_warn (&device->cdev->dev, "A read error occurred "
+				"that cannot be recovered\n");
 			return tape_34xx_erp_failed(request, -EIO);
 		case 0x25:
 			// a write data check occurred
@@ -433,22 +425,26 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 							 irb, -5);
 
 			// data check is permanent, cu-recovery has failed
-			PRINT_WARN("Permanent write error\n");
+			dev_warn (&device->cdev->dev, "A write error on the "
+				"tape cannot be recovered\n");
 			return tape_34xx_erp_failed(request, -EIO);
 		case 0x26:
 			/* Data Check (read opposite) occurred. */
 			return tape_34xx_erp_read_opposite(device, request);
 		case 0x28:
 			/* ID-Mark at tape start couldn't be written */
-			PRINT_WARN("ID-Mark could not be written.\n");
+			dev_warn (&device->cdev->dev, "Writing the ID-mark "
+				"failed\n");
 			return tape_34xx_erp_failed(request, -EIO);
 		case 0x31:
 			/* Tape void. Tried to read beyond end of device. */
-			PRINT_WARN("Read beyond end of recorded area.\n");
+			dev_warn (&device->cdev->dev, "Reading the tape beyond"
+				" the end of the recorded area failed\n");
 			return tape_34xx_erp_failed(request, -ENOSPC);
 		case 0x41:
 			/* Record sequence error. */
-			PRINT_WARN("Invalid block-id sequence found.\n");
+			dev_warn (&device->cdev->dev, "The tape contains an "
+				"incorrect block ID sequence\n");
 			return tape_34xx_erp_failed(request, -EIO);
 		default:
 			/* all data checks for 3480 should result in one of
@@ -470,16 +466,12 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 	switch (sense[3]) {
 	case 0x00:
 		/* Unit check with erpa code 0. Report and ignore. */
-		PRINT_WARN("Non-error sense was found. "
-			   "Unit-check will be ignored.\n");
 		return TAPE_IO_SUCCESS;
 	case 0x21:
 		/*
 		 * Data streaming not operational. CU will switch to
 		 * interlock mode. Reissue the command.
 		 */
-		PRINT_WARN("Data streaming not operational. "
-			   "Switching to interlock-mode.\n");
 		return tape_34xx_erp_retry(request);
 	case 0x22:
 		/*
@@ -487,11 +479,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * error on the lower interface, internal path not usable,
 		 * or error during cartridge load.
 		 */
-		PRINT_WARN("A path equipment check occurred. One of the "
-			   "following conditions occurred:\n");
-		PRINT_WARN("drive adapter error, buffer error on the lower "
-			   "interface, internal path not usable, error "
-			   "during cartridge load.\n");
+		dev_warn (&device->cdev->dev, "A path equipment check occurred"
+			" for the tape device\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x24:
 		/*
@@ -514,7 +503,6 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * but the hardware isn't capable to do idrc, or a perform
 		 * subsystem func is issued and the CU is not on-line.
 		 */
-		PRINT_WARN ("Function incompatible. Try to switch off idrc\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x2a:
 		/*
@@ -552,23 +540,26 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * reading the format id mark or that that format specified
 		 * is not supported by the drive.
 		 */
-		PRINT_WARN("Drive not capable processing the tape format!\n");
+		dev_warn (&device->cdev->dev, "The tape unit cannot process "
+			"the tape format\n");
 		return tape_34xx_erp_failed(request, -EMEDIUMTYPE);
 	case 0x30:
 		/* The medium is write protected. */
-		PRINT_WARN("Medium is write protected!\n");
+		dev_warn (&device->cdev->dev, "The tape medium is write-"
+			"protected\n");
 		return tape_34xx_erp_failed(request, -EACCES);
 	case 0x32:
 		// Tension loss. We cannot recover this, it's an I/O error.
-		PRINT_WARN("The drive lost tape tension.\n");
+		dev_warn (&device->cdev->dev, "The tape does not have the "
+			"required tape tension\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x33:
 		/*
 		 * Load Failure. The cartridge was not inserted correctly or
 		 * the tape is not threaded correctly.
 		 */
-		PRINT_WARN("Cartridge load failure. Reload the cartridge "
-			   "and try again.\n");
+		dev_warn (&device->cdev->dev, "The tape unit failed to load"
+			" the cartridge\n");
 		tape_34xx_delete_sbid_from(device, 0);
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x34:
@@ -576,8 +567,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * Unload failure. The drive cannot maintain tape tension
 		 * and control tape movement during an unload operation.
 		 */
-		PRINT_WARN("Failure during cartridge unload. "
-			   "Please try manually.\n");
+		dev_warn (&device->cdev->dev, "Automatic unloading of the tape"
+			" cartridge failed\n");
 		if (request->op == TO_RUN)
 			return tape_34xx_erp_failed(request, -EIO);
 		return tape_34xx_erp_bug(device, request, irb, sense[3]);
@@ -589,8 +580,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * - the cartridge loader does not respond correctly
 		 * - a failure occurs during an index, load, or unload cycle
 		 */
-		PRINT_WARN("Equipment check! Please check the drive and "
-			   "the cartridge loader.\n");
+		dev_warn (&device->cdev->dev, "An equipment check has occurred"
+			" on the tape unit\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x36:
 		if (device->cdev->id.driver_info == tape_3490)
@@ -603,7 +594,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * Tape length error. The tape is shorter than reported in
 		 * the beginning-of-tape data.
 		 */
-		PRINT_WARN("Tape length error.\n");
+		dev_warn (&device->cdev->dev, "The tape information states an"
+			" incorrect length\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x38:
 		/*
@@ -620,12 +612,12 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x3a:
 		/* Drive switched to not ready. */
-		PRINT_WARN("Drive not ready. Turn the ready/not ready switch "
-			   "to ready position and try again.\n");
+		dev_warn (&device->cdev->dev, "The tape unit is not ready\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x3b:
 		/* Manual rewind or unload. This causes an I/O error. */
-		PRINT_WARN("Medium was rewound or unloaded manually.\n");
+		dev_warn (&device->cdev->dev, "The tape medium has been "
+			"rewound or unloaded manually\n");
 		tape_34xx_delete_sbid_from(device, 0);
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x42:
@@ -633,7 +625,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * Degraded mode. A condition that can cause degraded
 		 * performance is detected.
 		 */
-		PRINT_WARN("Subsystem is running in degraded mode.\n");
+		dev_warn (&device->cdev->dev, "The tape subsystem is running "
+			"in degraded mode\n");
 		return tape_34xx_erp_retry(request);
 	case 0x43:
 		/* Drive not ready. */
@@ -652,7 +645,6 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 					break;
 			}
 		}
-		PRINT_WARN("The drive is not ready.\n");
 		return tape_34xx_erp_failed(request, -ENOMEDIUM);
 	case 0x44:
 		/* Locate Block unsuccessful. */
@@ -663,7 +655,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x45:
 		/* The drive is assigned to a different channel path. */
-		PRINT_WARN("The drive is assigned elsewhere.\n");
+		dev_warn (&device->cdev->dev, "The tape unit is already "
+			"assigned\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x46:
 		/*
@@ -671,11 +664,12 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * the power supply may be switched off or
 		 * the drive address may not be set correctly.
 		 */
-		PRINT_WARN("The drive is not on-line.");
+		dev_warn (&device->cdev->dev, "The tape unit is not online\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x47:
 		/* Volume fenced. CU reports volume integrity is lost. */
-		PRINT_WARN("Volume fenced. The volume integrity is lost.\n");
+		dev_warn (&device->cdev->dev, "The control unit has fenced "
+			"access to the tape volume\n");
 		tape_34xx_delete_sbid_from(device, 0);
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x48:
@@ -683,20 +677,21 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		return tape_34xx_erp_retry(request);
 	case 0x49:
 		/* Bus out check. A parity check error on the bus was found. */
-		PRINT_WARN("Bus out check. A data transfer over the bus "
-			   "has been corrupted.\n");
+		dev_warn (&device->cdev->dev, "A parity error occurred on the "
+			"tape bus\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x4a:
 		/* Control unit erp failed. */
-		PRINT_WARN("The control unit I/O error recovery failed.\n");
+		dev_warn (&device->cdev->dev, "I/O error recovery failed on "
+			"the tape control unit\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x4b:
 		/*
 		 * CU and drive incompatible. The drive requests micro-program
 		 * patches, which are not available on the CU.
 		 */
-		PRINT_WARN("The drive needs microprogram patches from the "
-			   "control unit, which are not available.\n");
+		dev_warn (&device->cdev->dev, "The tape unit requires a "
+			"firmware update\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x4c:
 		/*
@@ -721,8 +716,8 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 			 * the block to be written is larger than allowed for
 			 * buffered mode.
 			 */
-			PRINT_WARN("Maximum block size for buffered "
-				   "mode exceeded.\n");
+			dev_warn (&device->cdev->dev, "The maximum block size"
+				" for buffered mode is exceeded\n");
 			return tape_34xx_erp_failed(request, -ENOBUFS);
 		}
 		/* This erpa is reserved for 3480. */
@@ -759,22 +754,20 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		return tape_34xx_erp_retry(request);
 	case 0x55:
 		/* Channel interface recovery (permanent). */
-		PRINT_WARN("A permanent channel interface error occurred.\n");
+		dev_warn (&device->cdev->dev, "A channel interface error cannot be"
+			" recovered\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x56:
 		/* Channel protocol error. */
-		PRINT_WARN("A channel protocol error occurred.\n");
+		dev_warn (&device->cdev->dev, "A channel protocol error "
+			"occurred\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x57:
 		if (device->cdev->id.driver_info == tape_3480) {
 			/* Attention intercept. */
-			PRINT_WARN("An attention intercept occurred, "
-				   "which will be recovered.\n");
 			return tape_34xx_erp_retry(request);
 		} else {
 			/* Global status intercept. */
-			PRINT_WARN("An global status intercept was received, "
-				   "which will be recovered.\n");
 			return tape_34xx_erp_retry(request);
 		}
 	case 0x5a:
@@ -782,42 +775,31 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 		 * Tape length incompatible. The tape inserted is too long,
 		 * which could cause damage to the tape or the drive.
 		 */
-		PRINT_WARN("Tape Length Incompatible\n");
-		PRINT_WARN("Tape length exceeds IBM enhanced capacity "
-			"cartdridge length or a medium\n");
-		PRINT_WARN("with EC-CST identification mark has been mounted "
-			"in a device that writes\n");
-		PRINT_WARN("3480 or 3480 XF format.\n");
+		dev_warn (&device->cdev->dev, "The tape unit does not support "
+			"the tape length\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x5b:
 		/* Format 3480 XF incompatible */
 		if (sense[1] & SENSE_BEGINNING_OF_TAPE)
 			/* The tape will get overwritten. */
 			return tape_34xx_erp_retry(request);
-		PRINT_WARN("Format 3480 XF Incompatible\n");
-		PRINT_WARN("Medium has been created in 3480 format. "
-			"To change the format writes\n");
-		PRINT_WARN("must be issued at BOT.\n");
+		dev_warn (&device->cdev->dev, "The tape unit does not support"
+			" format 3480 XF\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x5c:
 		/* Format 3480-2 XF incompatible */
-		PRINT_WARN("Format 3480-2 XF Incompatible\n");
-		PRINT_WARN("Device can only read 3480 or 3480 XF format.\n");
+		dev_warn (&device->cdev->dev, "The tape unit does not support tape "
+			"format 3480-2 XF\n");
 		return tape_34xx_erp_failed(request, -EIO);
 	case 0x5d:
 		/* Tape length violation. */
-		PRINT_WARN("Tape Length Violation\n");
-		PRINT_WARN("The mounted tape exceeds IBM Enhanced Capacity "
-			"Cartdridge System Tape length.\n");
-		PRINT_WARN("This may cause damage to the drive or tape when "
-			"processing to the EOV\n");
+		dev_warn (&device->cdev->dev, "The tape unit does not support"
+			" the current tape length\n");
 		return tape_34xx_erp_failed(request, -EMEDIUMTYPE);
 	case 0x5e:
 		/* Compaction algorithm incompatible. */
-		PRINT_WARN("Compaction Algorithm Incompatible\n");
-		PRINT_WARN("The volume is recorded using an incompatible "
-			"compaction algorithm,\n");
-		PRINT_WARN("which is not supported by the device.\n");
+		dev_warn (&device->cdev->dev, "The tape unit does not support"
+			" the compaction algorithm\n");
 		return tape_34xx_erp_failed(request, -EMEDIUMTYPE);
 
 		/* The following erpas should have been covered earlier. */
@@ -848,7 +830,6 @@ tape_34xx_irq(struct tape_device *device, struct tape_request *request,
 	    (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) &&
 	    (request->op == TO_WRI)) {
 		/* Write at end of volume */
-		PRINT_INFO("End of volume\n"); /* XXX */
 		return tape_34xx_erp_failed(request, -ENOSPC);
 	}
 
@@ -869,9 +850,7 @@ tape_34xx_irq(struct tape_device *device, struct tape_request *request,
 	}
 
 	DBF_EVENT(6, "xunknownirq\n");
-	PRINT_ERR("Unexpected interrupt.\n");
-	PRINT_ERR("Current op is: %s", tape_op_verbose[request->op]);
-	tape_dump_sense(device, request, irb);
+	tape_dump_sense_dbf(device, request, irb);
 	return TAPE_IO_STOP;
 }
 
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 71605a179d65..fc1d91294143 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -8,12 +8,15 @@
  *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "tape"
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/bio.h>
 #include <asm/ebcdic.h>
 
 #define TAPE_DBF_AREA	tape_3590_dbf
+#define BUFSIZE 512	/* size of buffers for dynamic generated messages */
 
 #include "tape.h"
 #include "tape_std.h"
@@ -36,7 +39,7 @@ EXPORT_SYMBOL(TAPE_DBF_AREA);
  * - Read Alternate:		 implemented
  *******************************************************************/
 
-#define PRINTK_HEADER "TAPE_3590: "
+#define KMSG_COMPONENT "tape"
 
 static const char *tape_3590_msg[TAPE_3590_MAX_MSG] = {
 	[0x00] = "",
@@ -661,8 +664,7 @@ tape_3590_bread(struct tape_device *device, struct request *req)
 			ccw++;
 			dst += TAPEBLOCK_HSEC_SIZE;
 		}
-		if (off > bv->bv_len)
-			BUG();
+		BUG_ON(off > bv->bv_len);
 	}
 	ccw = tape_ccw_end(ccw, NOP, 0, NULL);
 	DBF_EVENT(6, "xBREDccwg\n");
@@ -726,7 +728,7 @@ static void tape_3590_med_state_set(struct tape_device *device,
 	}
 	c_info->medium_status |= TAPE390_MEDIUM_LOADED_MASK;
 	if (sense->flags & MSENSE_CRYPT_MASK) {
-		PRINT_INFO("Medium is encrypted (%04x)\n", sense->flags);
+		DBF_EVENT(6, "Medium is encrypted (%04x)\n", sense->flags);
 		c_info->medium_status |= TAPE390_MEDIUM_ENCRYPTED_MASK;
 	} else	{
 		DBF_EVENT(6, "Medium is not encrypted %04x\n", sense->flags);
@@ -847,8 +849,7 @@ tape_3590_unsolicited_irq(struct tape_device *device, struct irb *irb)
 		tape_3590_schedule_work(device, TO_READ_ATTMSG);
 	} else {
 		DBF_EVENT(3, "unsol.irq! dev end: %08x\n", device->cdev_id);
-		PRINT_WARN("Unsolicited IRQ (Device End) caught.\n");
-		tape_dump_sense(device, NULL, irb);
+		tape_dump_sense_dbf(device, NULL, irb);
 	}
 	/* check medium state */
 	tape_3590_schedule_work(device, TO_MSEN);
@@ -876,8 +877,6 @@ tape_3590_erp_basic(struct tape_device *device, struct tape_request *request,
 	case SENSE_BRA_DRE:
 		return tape_3590_erp_failed(device, request, irb, rc);
 	default:
-		PRINT_ERR("Unknown BRA %x - This should not happen!\n",
-			  sense->bra);
 		BUG();
 		return TAPE_IO_STOP;
 	}
@@ -910,7 +909,8 @@ tape_3590_erp_swap(struct tape_device *device, struct tape_request *request,
 	 * should proceed with the new tape... this
 	 * should probably be done in user space!
 	 */
-	PRINT_WARN("(%s): Swap Tape Device!\n", dev_name(&device->cdev->dev));
+	dev_warn (&device->cdev->dev, "The tape medium must be loaded into a "
+		"different tape unit\n");
 	return tape_3590_erp_basic(device, request, irb, -EIO);
 }
 
@@ -985,8 +985,6 @@ tape_3590_erp_read_opposite(struct tape_device *device,
 		return tape_3590_erp_failed(device, request, irb, -EIO);
 		break;
 	default:
-		PRINT_WARN("read_opposite_recovery_called_with_op: %s\n",
-			   tape_op_verbose[request->op]);
 		return tape_3590_erp_failed(device, request, irb, -EIO);
 	}
 }
@@ -998,50 +996,61 @@ static void
 tape_3590_print_mim_msg_f0(struct tape_device *device, struct irb *irb)
 {
 	struct tape_3590_sense *sense;
+	char *exception, *service;
+
+	exception = kmalloc(BUFSIZE, GFP_ATOMIC);
+	service = kmalloc(BUFSIZE, GFP_ATOMIC);
+
+	if (!exception || !service)
+		goto out_nomem;
 
 	sense = (struct tape_3590_sense *) irb->ecw;
 	/* Exception Message */
 	switch (sense->fmt.f70.emc) {
 	case 0x02:
-		PRINT_WARN("(%s): Data degraded\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "Data degraded");
 		break;
 	case 0x03:
-		PRINT_WARN("(%s): Data degraded in partion %i\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f70.mp);
+		snprintf(exception, BUFSIZE, "Data degraded in partion %i",
+			sense->fmt.f70.mp);
 		break;
 	case 0x04:
-		PRINT_WARN("(%s): Medium degraded\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "Medium degraded");
 		break;
 	case 0x05:
-		PRINT_WARN("(%s): Medium degraded in partition %i\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f70.mp);
+		snprintf(exception, BUFSIZE, "Medium degraded in partition %i",
+			sense->fmt.f70.mp);
 		break;
 	case 0x06:
-		PRINT_WARN("(%s): Block 0 Error\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "Block 0 Error");
 		break;
 	case 0x07:
-		PRINT_WARN("(%s): Medium Exception 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f70.md);
+		snprintf(exception, BUFSIZE, "Medium Exception 0x%02x",
+			sense->fmt.f70.md);
 		break;
 	default:
-		PRINT_WARN("(%s): MIM ExMsg: 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f70.emc);
+		snprintf(exception, BUFSIZE, "0x%02x",
+			sense->fmt.f70.emc);
 		break;
 	}
 	/* Service Message */
 	switch (sense->fmt.f70.smc) {
 	case 0x02:
-		PRINT_WARN("(%s): Reference Media maintenance procedure %i\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f70.md);
+		snprintf(service, BUFSIZE, "Reference Media maintenance "
+			"procedure %i", sense->fmt.f70.md);
 		break;
 	default:
-		PRINT_WARN("(%s): MIM ServiceMsg: 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f70.smc);
+		snprintf(service, BUFSIZE, "0x%02x",
+			sense->fmt.f70.smc);
 		break;
 	}
+
+	dev_warn (&device->cdev->dev, "Tape media information: exception %s, "
+		"service %s\n", exception, service);
+
+out_nomem:
+	kfree(exception);
+	kfree(service);
 }
 
 /*
@@ -1051,108 +1060,108 @@ static void
 tape_3590_print_io_sim_msg_f1(struct tape_device *device, struct irb *irb)
 {
 	struct tape_3590_sense *sense;
+	char *exception, *service;
+
+	exception = kmalloc(BUFSIZE, GFP_ATOMIC);
+	service = kmalloc(BUFSIZE, GFP_ATOMIC);
+
+	if (!exception || !service)
+		goto out_nomem;
 
 	sense = (struct tape_3590_sense *) irb->ecw;
 	/* Exception Message */
 	switch (sense->fmt.f71.emc) {
 	case 0x01:
-		PRINT_WARN("(%s): Effect of failure is unknown\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "Effect of failure is unknown");
 		break;
 	case 0x02:
-		PRINT_WARN("(%s): CU Exception - no performance impact\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "CU Exception - no performance "
+			"impact");
 		break;
 	case 0x03:
-		PRINT_WARN("(%s): CU Exception on channel interface 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "CU Exception on channel "
+			"interface 0x%02x", sense->fmt.f71.md[0]);
 		break;
 	case 0x04:
-		PRINT_WARN("(%s): CU Exception on device path 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "CU Exception on device path "
+			"0x%02x", sense->fmt.f71.md[0]);
 		break;
 	case 0x05:
-		PRINT_WARN("(%s): CU Exception on library path 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "CU Exception on library path "
+			"0x%02x", sense->fmt.f71.md[0]);
 		break;
 	case 0x06:
-		PRINT_WARN("(%s): CU Exception on node 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "CU Exception on node 0x%02x",
+			sense->fmt.f71.md[0]);
 		break;
 	case 0x07:
-		PRINT_WARN("(%s): CU Exception on partition 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "CU Exception on partition "
+			"0x%02x", sense->fmt.f71.md[0]);
 		break;
 	default:
-		PRINT_WARN("(%s): SIM ExMsg: 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.emc);
+		snprintf(exception, BUFSIZE, "0x%02x",
+			sense->fmt.f71.emc);
 	}
 	/* Service Message */
 	switch (sense->fmt.f71.smc) {
 	case 0x01:
-		PRINT_WARN("(%s): Repair impact is unknown\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Repair impact is unknown");
 		break;
 	case 0x02:
-		PRINT_WARN("(%s): Repair will not impact cu performance\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Repair will not impact cu "
+			"performance");
 		break;
 	case 0x03:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable node "
-				   "0x%x on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable node "
+				"0x%x on CU", sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable nodes "
-				   "(0x%x-0x%x) on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"nodes (0x%x-0x%x) on CU", sense->fmt.f71.md[1],
+				sense->fmt.f71.md[2]);
 		break;
 	case 0x04:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable cannel path "
-				   "0x%x on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"channel path 0x%x on CU",
+				sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable cannel paths "
-				   "(0x%x-0x%x) on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable cannel"
+				" paths (0x%x-0x%x) on CU",
+				sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x05:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable device path "
-				   "0x%x on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable device"
+				" path 0x%x on CU", sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable device paths "
-				   "(0x%x-0x%x) on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable device"
+				" paths (0x%x-0x%x) on CU",
+				sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x06:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable library path "
-				   "0x%x on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"library path 0x%x on CU",
+				sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable library paths "
-				   "(0x%x-0x%x) on CU\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"library paths (0x%x-0x%x) on CU",
+				sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x07:
-		PRINT_WARN("(%s): Repair will disable access to CU\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Repair will disable access to CU");
 		break;
 	default:
-		PRINT_WARN("(%s): SIM ServiceMsg: 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.smc);
+		snprintf(service, BUFSIZE, "0x%02x",
+			sense->fmt.f71.smc);
 	}
+
+	dev_warn (&device->cdev->dev, "I/O subsystem information: exception"
+		" %s, service %s\n", exception, service);
+out_nomem:
+	kfree(exception);
+	kfree(service);
 }
 
 /*
@@ -1162,111 +1171,109 @@ static void
 tape_3590_print_dev_sim_msg_f2(struct tape_device *device, struct irb *irb)
 {
 	struct tape_3590_sense *sense;
+	char *exception, *service;
+
+	exception = kmalloc(BUFSIZE, GFP_ATOMIC);
+	service = kmalloc(BUFSIZE, GFP_ATOMIC);
+
+	if (!exception || !service)
+		goto out_nomem;
 
 	sense = (struct tape_3590_sense *) irb->ecw;
 	/* Exception Message */
 	switch (sense->fmt.f71.emc) {
 	case 0x01:
-		PRINT_WARN("(%s): Effect of failure is unknown\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "Effect of failure is unknown");
 		break;
 	case 0x02:
-		PRINT_WARN("(%s): DV Exception - no performance impact\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "DV Exception - no performance"
+			" impact");
 		break;
 	case 0x03:
-		PRINT_WARN("(%s): DV Exception on channel interface 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "DV Exception on channel "
+			"interface 0x%02x", sense->fmt.f71.md[0]);
 		break;
 	case 0x04:
-		PRINT_WARN("(%s): DV Exception on loader 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "DV Exception on loader 0x%02x",
+			sense->fmt.f71.md[0]);
 		break;
 	case 0x05:
-		PRINT_WARN("(%s): DV Exception on message display 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
+		snprintf(exception, BUFSIZE, "DV Exception on message display"
+			" 0x%02x", sense->fmt.f71.md[0]);
 		break;
 	case 0x06:
-		PRINT_WARN("(%s): DV Exception in tape path\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "DV Exception in tape path");
 		break;
 	case 0x07:
-		PRINT_WARN("(%s): DV Exception in drive\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(exception, BUFSIZE, "DV Exception in drive");
 		break;
 	default:
-		PRINT_WARN("(%s): DSIM ExMsg: 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.emc);
+		snprintf(exception, BUFSIZE, "0x%02x",
+			sense->fmt.f71.emc);
 	}
 	/* Service Message */
 	switch (sense->fmt.f71.smc) {
 	case 0x01:
-		PRINT_WARN("(%s): Repair impact is unknown\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Repair impact is unknown");
 		break;
 	case 0x02:
-		PRINT_WARN("(%s): Repair will not impact device performance\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Repair will not impact device "
+			"performance");
 		break;
 	case 0x03:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable channel path "
-				   "0x%x on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"channel path 0x%x on DV",
+				sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable channel path "
-				   "(0x%x-0x%x) on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"channel path (0x%x-0x%x) on DV",
+				sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x04:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable interface 0x%x "
-				   "on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"interface 0x%x on DV", sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable interfaces "
-				   "(0x%x-0x%x) on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"interfaces (0x%x-0x%x) on DV",
+				sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x05:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable loader 0x%x "
-				   "on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable loader"
+				" 0x%x on DV", sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable loader "
-				   "(0x%x-0x%x) on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable loader"
+				" (0x%x-0x%x) on DV",
+				sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x07:
-		PRINT_WARN("(%s): Repair will disable access to DV\n",
-			   dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Repair will disable access to DV");
 		break;
 	case 0x08:
 		if (sense->fmt.f71.mdf == 0)
-			PRINT_WARN("(%s): Repair will disable message "
-				   "display 0x%x on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"message display 0x%x on DV",
+				sense->fmt.f71.md[1]);
 		else
-			PRINT_WARN("(%s): Repair will disable message "
-				   "displays (0x%x-0x%x) on DV\n",
-				   dev_name(&device->cdev->dev),
-				   sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
+			snprintf(service, BUFSIZE, "Repair will disable "
+				"message displays (0x%x-0x%x) on DV",
+				 sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
 		break;
 	case 0x09:
-		PRINT_WARN("(%s): Clean DV\n", dev_name(&device->cdev->dev));
+		snprintf(service, BUFSIZE, "Clean DV");
 		break;
 	default:
-		PRINT_WARN("(%s): DSIM ServiceMsg: 0x%02x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.smc);
+		snprintf(service, BUFSIZE, "0x%02x",
+			sense->fmt.f71.smc);
 	}
+
+	dev_warn (&device->cdev->dev, "Device subsystem information: exception"
+		" %s, service %s\n", exception, service);
+out_nomem:
+	kfree(exception);
+	kfree(service);
 }
 
 /*
@@ -1282,46 +1289,44 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
 		return;
 	if ((sense->mc > 0) && (sense->mc < TAPE_3590_MAX_MSG)) {
 		if (tape_3590_msg[sense->mc] != NULL)
-			PRINT_WARN("(%s): %s\n", dev_name(&device->cdev->dev),
-				   tape_3590_msg[sense->mc]);
-		else {
-			PRINT_WARN("(%s): Message Code 0x%x\n",
-				   dev_name(&device->cdev->dev), sense->mc);
-		}
+			dev_warn (&device->cdev->dev, "The tape unit has "
+				"issued sense message %s\n",
+				tape_3590_msg[sense->mc]);
+		else
+			dev_warn (&device->cdev->dev, "The tape unit has "
+				"issued an unknown sense message code 0x%x\n",
+				sense->mc);
 		return;
 	}
 	if (sense->mc == 0xf0) {
 		/* Standard Media Information Message */
-		PRINT_WARN("(%s): MIM SEV=%i, MC=%02x, ES=%x/%x, "
-			   "RC=%02x-%04x-%02x\n", dev_name(&device->cdev->dev),
-			   sense->fmt.f70.sev, sense->mc,
-			   sense->fmt.f70.emc, sense->fmt.f70.smc,
-			   sense->fmt.f70.refcode, sense->fmt.f70.mid,
-			   sense->fmt.f70.fid);
+		dev_warn (&device->cdev->dev, "MIM SEV=%i, MC=%02x, ES=%x/%x, "
+			"RC=%02x-%04x-%02x\n", sense->fmt.f70.sev, sense->mc,
+			sense->fmt.f70.emc, sense->fmt.f70.smc,
+			sense->fmt.f70.refcode, sense->fmt.f70.mid,
+			sense->fmt.f70.fid);
 		tape_3590_print_mim_msg_f0(device, irb);
 		return;
 	}
 	if (sense->mc == 0xf1) {
 		/* Standard I/O Subsystem Service Information Message */
-		PRINT_WARN("(%s): IOSIM SEV=%i, DEVTYPE=3590/%02x, "
-			   "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.sev,
-			   device->cdev->id.dev_model,
-			   sense->mc, sense->fmt.f71.emc,
-			   sense->fmt.f71.smc, sense->fmt.f71.refcode1,
-			   sense->fmt.f71.refcode2, sense->fmt.f71.refcode3);
+		dev_warn (&device->cdev->dev, "IOSIM SEV=%i, DEVTYPE=3590/%02x,"
+			" MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n",
+			sense->fmt.f71.sev, device->cdev->id.dev_model,
+			sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc,
+			sense->fmt.f71.refcode1, sense->fmt.f71.refcode2,
+			sense->fmt.f71.refcode3);
 		tape_3590_print_io_sim_msg_f1(device, irb);
 		return;
 	}
 	if (sense->mc == 0xf2) {
 		/* Standard Device Service Information Message */
-		PRINT_WARN("(%s): DEVSIM SEV=%i, DEVTYPE=3590/%02x, "
-			   "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n",
-			   dev_name(&device->cdev->dev), sense->fmt.f71.sev,
-			   device->cdev->id.dev_model,
-			   sense->mc, sense->fmt.f71.emc,
-			   sense->fmt.f71.smc, sense->fmt.f71.refcode1,
-			   sense->fmt.f71.refcode2, sense->fmt.f71.refcode3);
+		dev_warn (&device->cdev->dev, "DEVSIM SEV=%i, DEVTYPE=3590/%02x"
+			", MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n",
+			sense->fmt.f71.sev, device->cdev->id.dev_model,
+			sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc,
+			sense->fmt.f71.refcode1, sense->fmt.f71.refcode2,
+			sense->fmt.f71.refcode3);
 		tape_3590_print_dev_sim_msg_f2(device, irb);
 		return;
 	}
@@ -1329,8 +1334,8 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
 		/* Standard Library Service Information Message */
 		return;
 	}
-	PRINT_WARN("(%s): Device Message(%x)\n",
-		   dev_name(&device->cdev->dev), sense->mc);
+	dev_warn (&device->cdev->dev, "The tape unit has issued an unknown "
+		"sense message code %x\n", sense->mc);
 }
 
 static int tape_3590_crypt_error(struct tape_device *device,
@@ -1355,9 +1360,8 @@ static int tape_3590_crypt_error(struct tape_device *device,
 		/* No connection to EKM */
 		return tape_3590_erp_basic(device, request, irb, -ENOTCONN);
 
-	PRINT_ERR("(%s): Unable to get encryption key from EKM\n", bus_id);
-	PRINT_ERR("(%s): CU=%02X DRIVE=%06X EKM=%02X:%04X\n", bus_id, cu_rc,
-		drv_rc, ekm_rc1, ekm_rc2);
+	dev_err (&device->cdev->dev, "The tape unit failed to obtain the "
+		"encryption key from EKM\n");
 
 	return tape_3590_erp_basic(device, request, irb, -ENOKEY);
 }
@@ -1443,8 +1447,6 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
 		 * print additional msg since default msg
 		 * "device intervention" is not very meaningfull
 		 */
-		PRINT_WARN("(%s): Tape operation when medium not loaded\n",
-			   dev_name(&device->cdev->dev));
 		tape_med_state_set(device, MS_UNLOADED);
 		tape_3590_schedule_work(device, TO_CRYPT_OFF);
 		return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM);
@@ -1490,19 +1492,13 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
 		return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM);
 
 	case 0x6020:
-		PRINT_WARN("(%s): Cartridge of wrong type ?\n",
-			   dev_name(&device->cdev->dev));
 		return tape_3590_erp_basic(device, request, irb, -EMEDIUMTYPE);
 
 	case 0x8011:
-		PRINT_WARN("(%s): Another host has reserved the tape device\n",
-			   dev_name(&device->cdev->dev));
 		return tape_3590_erp_basic(device, request, irb, -EPERM);
 	case 0x8013:
-		PRINT_WARN("(%s): Another host has privileged access to the "
-			   "tape device\n", dev_name(&device->cdev->dev));
-		PRINT_WARN("(%s): To solve the problem unload the current "
-			   "cartridge!\n", dev_name(&device->cdev->dev));
+		dev_warn (&device->cdev->dev, "A different host has privileged"
+			" access to the tape unit\n");
 		return tape_3590_erp_basic(device, request, irb, -EPERM);
 	default:
 		return tape_3590_erp_basic(device, request, irb, -EIO);
@@ -1552,9 +1548,7 @@ tape_3590_irq(struct tape_device *device, struct tape_request *request,
 	}
 
 	DBF_EVENT(6, "xunknownirq\n");
-	PRINT_ERR("Unexpected interrupt.\n");
-	PRINT_ERR("Current op is: %s", tape_op_verbose[request->op]);
-	tape_dump_sense(device, request, irb);
+	tape_dump_sense_dbf(device, request, irb);
 	return TAPE_IO_STOP;
 }
 
@@ -1609,7 +1603,6 @@ tape_3590_setup_device(struct tape_device *device)
 	if (rc)
 		goto fail_rdc_data;
 	if (rdc_data->data[31] == 0x13) {
-		PRINT_INFO("Device has crypto support\n");
 		data->crypt_info.capability |= TAPE390_CRYPT_SUPPORTED_MASK;
 		tape_3592_disable_crypt(device);
 	} else {
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index ae18baf59f06..f32e89e7c4f2 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -10,6 +10,8 @@
  *		 Stefan Bader <shbader@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "tape"
+
 #include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/blkdev.h>
@@ -23,8 +25,6 @@
 
 #include "tape.h"
 
-#define PRINTK_HEADER "TAPE_BLOCK: "
-
 #define TAPEBLOCK_MAX_SEC	100
 #define TAPEBLOCK_MIN_REQUEUE	3
 
@@ -279,8 +279,6 @@ tapeblock_cleanup_device(struct tape_device *device)
 	tape_put_device(device);
 
 	if (!device->blk_data.disk) {
-		PRINT_ERR("(%s): No gendisk to clean up!\n",
-			dev_name(&device->cdev->dev));
 		goto cleanup_queue;
 	}
 
@@ -314,7 +312,8 @@ tapeblock_revalidate_disk(struct gendisk *disk)
 	if (!device->blk_data.medium_changed)
 		return 0;
 
-	PRINT_INFO("Detecting media size...\n");
+	dev_info(&device->cdev->dev, "Determining the size of the recorded "
+		"area...\n");
 	rc = tape_mtop(device, MTFSFM, 1);
 	if (rc)
 		return rc;
@@ -341,7 +340,8 @@ tapeblock_revalidate_disk(struct gendisk *disk)
 	device->bof = rc;
 	nr_of_blks -= rc;
 
-	PRINT_INFO("Found %i blocks on media\n", nr_of_blks);
+	dev_info(&device->cdev->dev, "The size of the recorded area is %i "
+		"blocks\n", nr_of_blks);
 	set_capacity(device->blk_data.disk,
 		nr_of_blks*(TAPEBLOCK_HSEC_SIZE/512));
 
@@ -376,8 +376,8 @@ tapeblock_open(struct block_device *bdev, fmode_t mode)
 
 	if (device->required_tapemarks) {
 		DBF_EVENT(2, "TBLOCK: missing tapemarks\n");
-		PRINT_ERR("TBLOCK: Refusing to open tape with missing"
-			" end of file marks.\n");
+		dev_warn(&device->cdev->dev, "Opening the tape failed because"
+			" of missing end-of-file marks\n");
 		rc = -EPERM;
 		goto put_device;
 	}
@@ -452,7 +452,6 @@ tapeblock_ioctl(
 			rc = -EINVAL;
 			break;
 		default:
-			PRINT_WARN("invalid ioctl 0x%x\n", command);
 			rc = -EINVAL;
 	}
 
@@ -474,7 +473,6 @@ tapeblock_init(void)
 
 	if (tapeblock_major == 0)
 		tapeblock_major = rc;
-	PRINT_INFO("tape gets major %d for block device\n", tapeblock_major);
 	return 0;
 }
 
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index be0ce2215c8d..31566c55adfe 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -24,8 +24,6 @@
 #include "tape_std.h"
 #include "tape_class.h"
 
-#define PRINTK_HEADER "TAPE_CHAR: "
-
 #define TAPECHAR_MAJOR		0	/* get dynamic major */
 
 /*
@@ -102,8 +100,6 @@ tapechar_check_idalbuffer(struct tape_device *device, size_t block_size)
 	if (block_size > MAX_BLOCKSIZE) {
 		DBF_EVENT(3, "Invalid blocksize (%zd > %d)\n",
 			block_size, MAX_BLOCKSIZE);
-		PRINT_ERR("Invalid blocksize (%zd> %d)\n",
-			block_size, MAX_BLOCKSIZE);
 		return -EINVAL;
 	}
 
@@ -485,7 +481,6 @@ tapechar_init (void)
 		return -1;
 
 	tapechar_major = MAJOR(dev);
-	PRINT_INFO("tape gets major %d for character devices\n", MAJOR(dev));
 
 	return 0;
 }
@@ -496,7 +491,5 @@ tapechar_init (void)
 void
 tapechar_exit(void)
 {
-	PRINT_INFO("tape releases major %d for character devices\n",
-		tapechar_major);
 	unregister_chrdev_region(MKDEV(tapechar_major, 0), 256);
 }
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index f9bb51fa7f5b..08c09d3503cf 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -11,6 +11,7 @@
  *		 Stefan Bader <shbader@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "tape"
 #include <linux/module.h>
 #include <linux/init.h>	     // for kernel parameters
 #include <linux/kmod.h>	     // for requesting modules
@@ -25,7 +26,6 @@
 #include "tape.h"
 #include "tape_std.h"
 
-#define PRINTK_HEADER "TAPE_CORE: "
 #define LONG_BUSY_TIMEOUT 180 /* seconds */
 
 static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *);
@@ -214,13 +214,13 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate)
 	switch(newstate){
 	case MS_UNLOADED:
 		device->tape_generic_status |= GMT_DR_OPEN(~0);
-		PRINT_INFO("(%s): Tape is unloaded\n",
-			   dev_name(&device->cdev->dev));
+		dev_info(&device->cdev->dev, "The tape cartridge has been "
+			"successfully unloaded\n");
 		break;
 	case MS_LOADED:
 		device->tape_generic_status &= ~GMT_DR_OPEN(~0);
-		PRINT_INFO("(%s): Tape has been mounted\n",
-			   dev_name(&device->cdev->dev));
+		dev_info(&device->cdev->dev, "A tape cartridge has been "
+			"mounted\n");
 		break;
 	default:
 		// print nothing
@@ -333,7 +333,6 @@ tape_generic_online(struct tape_device *device,
 	/* Let the discipline have a go at the device. */
 	device->discipline = discipline;
 	if (!try_module_get(discipline->owner)) {
-		PRINT_ERR("Cannot get module. Module gone.\n");
 		return -EINVAL;
 	}
 
@@ -391,7 +390,6 @@ int
 tape_generic_offline(struct tape_device *device)
 {
 	if (!device) {
-		PRINT_ERR("tape_generic_offline: no such device\n");
 		return -ENODEV;
 	}
 
@@ -413,9 +411,6 @@ tape_generic_offline(struct tape_device *device)
 			DBF_EVENT(3, "(%08x): Set offline failed "
 				"- drive in use.\n",
 				device->cdev_id);
-			PRINT_WARN("(%s): Set offline failed "
-				"- drive in use.\n",
-				dev_name(&device->cdev->dev));
 			spin_unlock_irq(get_ccwdev_lock(device->cdev));
 			return -EBUSY;
 	}
@@ -435,14 +430,11 @@ tape_alloc_device(void)
 	device = kzalloc(sizeof(struct tape_device), GFP_KERNEL);
 	if (device == NULL) {
 		DBF_EXCEPTION(2, "ti:no mem\n");
-		PRINT_INFO ("can't allocate memory for "
-			    "tape info structure\n");
 		return ERR_PTR(-ENOMEM);
 	}
 	device->modeset_byte = kmalloc(1, GFP_KERNEL | GFP_DMA);
 	if (device->modeset_byte == NULL) {
 		DBF_EXCEPTION(2, "ti:no mem\n");
-		PRINT_INFO("can't allocate memory for modeset byte\n");
 		kfree(device);
 		return ERR_PTR(-ENOMEM);
 	}
@@ -490,7 +482,6 @@ tape_put_device(struct tape_device *device)
 	} else {
 		if (remain < 0) {
 			DBF_EVENT(4, "put device without reference\n");
-			PRINT_ERR("put device without reference\n");
 		} else {
 			DBF_EVENT(4, "tape_free_device(%p)\n", device);
 			kfree(device->modeset_byte);
@@ -538,8 +529,6 @@ tape_generic_probe(struct ccw_device *cdev)
 	ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group);
 	if (ret) {
 		tape_put_device(device);
-		PRINT_ERR("probe failed for tape device %s\n",
-			  dev_name(&cdev->dev));
 		return ret;
 	}
 	cdev->dev.driver_data = device;
@@ -547,7 +536,6 @@ tape_generic_probe(struct ccw_device *cdev)
 	device->cdev = cdev;
 	ccw_device_get_id(cdev, &dev_id);
 	device->cdev_id = devid_to_int(&dev_id);
-	PRINT_INFO("tape device %s found\n", dev_name(&cdev->dev));
 	return ret;
 }
 
@@ -584,7 +572,6 @@ tape_generic_remove(struct ccw_device *cdev)
 
 	device = cdev->dev.driver_data;
 	if (!device) {
-		PRINT_ERR("No device pointer in tape_generic_remove!\n");
 		return;
 	}
 	DBF_LH(3, "(%08x): tape_generic_remove(%p)\n", device->cdev_id, cdev);
@@ -615,10 +602,8 @@ tape_generic_remove(struct ccw_device *cdev)
 			 */
 			DBF_EVENT(3, "(%08x): Drive in use vanished!\n",
 				device->cdev_id);
-			PRINT_WARN("(%s): Drive in use vanished - "
-				"expect trouble!\n",
-				dev_name(&device->cdev->dev));
-			PRINT_WARN("State was %i\n", device->tape_state);
+			dev_warn(&device->cdev->dev, "A tape unit was detached"
+				" while in use\n");
 			tape_state_set(device, TS_NOT_OPER);
 			__tape_discard_requests(device);
 			spin_unlock_irq(get_ccwdev_lock(device->cdev));
@@ -639,8 +624,7 @@ tape_alloc_request(int cplength, int datasize)
 {
 	struct tape_request *request;
 
-	if (datasize > PAGE_SIZE || (cplength*sizeof(struct ccw1)) > PAGE_SIZE)
-		BUG();
+	BUG_ON(datasize > PAGE_SIZE || (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
 
 	DBF_LH(6, "tape_alloc_request(%d, %d)\n", cplength, datasize);
 
@@ -797,8 +781,7 @@ static void tape_long_busy_timeout(unsigned long data)
 	device = (struct tape_device *) data;
 	spin_lock_irq(get_ccwdev_lock(device->cdev));
 	request = list_entry(device->req_queue.next, struct tape_request, list);
-	if (request->status != TAPE_REQUEST_LONG_BUSY)
-		BUG();
+	BUG_ON(request->status != TAPE_REQUEST_LONG_BUSY);
 	DBF_LH(6, "%08x: Long busy timeout.\n", device->cdev_id);
 	__tape_start_next_request(device);
 	device->lb_timeout.data = (unsigned long) tape_put_device(device);
@@ -830,30 +813,6 @@ __tape_end_request(
 }
 
 /*
- * Write sense data to console/dbf
- */
-void
-tape_dump_sense(struct tape_device* device, struct tape_request *request,
-		struct irb *irb)
-{
-	unsigned int *sptr;
-
-	PRINT_INFO("-------------------------------------------------\n");
-	PRINT_INFO("DSTAT : %02x  CSTAT: %02x	CPA: %04x\n",
-		   irb->scsw.cmd.dstat, irb->scsw.cmd.cstat, irb->scsw.cmd.cpa);
-	PRINT_INFO("DEVICE: %s\n", dev_name(&device->cdev->dev));
-	if (request != NULL)
-		PRINT_INFO("OP	  : %s\n", tape_op_verbose[request->op]);
-
-	sptr = (unsigned int *) irb->ecw;
-	PRINT_INFO("Sense data: %08X %08X %08X %08X \n",
-		   sptr[0], sptr[1], sptr[2], sptr[3]);
-	PRINT_INFO("Sense data: %08X %08X %08X %08X \n",
-		   sptr[4], sptr[5], sptr[6], sptr[7]);
-	PRINT_INFO("--------------------------------------------------\n");
-}
-
-/*
  * Write sense data to dbf
  */
 void
@@ -1051,8 +1010,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 
 	device = (struct tape_device *) cdev->dev.driver_data;
 	if (device == NULL) {
-		PRINT_ERR("could not get device structure for %s "
-			  "in interrupt\n", dev_name(&cdev->dev));
 		return;
 	}
 	request = (struct tape_request *) intparm;
@@ -1064,13 +1021,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 		/* FIXME: What to do with the request? */
 		switch (PTR_ERR(irb)) {
 			case -ETIMEDOUT:
-				PRINT_WARN("(%s): Request timed out\n",
+				DBF_LH(1, "(%s): Request timed out\n",
 					dev_name(&cdev->dev));
 			case -EIO:
 				__tape_end_request(device, request, -EIO);
 				break;
 			default:
-				PRINT_ERR("(%s): Unexpected i/o error %li\n",
+				DBF_LH(1, "(%s): Unexpected i/o error %li\n",
 					dev_name(&cdev->dev),
 					PTR_ERR(irb));
 		}
@@ -1182,8 +1139,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 		default:
 			if (rc > 0) {
 				DBF_EVENT(6, "xunknownrc\n");
-				PRINT_ERR("Invalid return code from discipline "
-				  	"interrupt function.\n");
 				__tape_end_request(device, request, -EIO);
 			} else {
 				__tape_end_request(device, request, rc);
@@ -1323,7 +1278,6 @@ EXPORT_SYMBOL(tape_state_set);
 EXPORT_SYMBOL(tape_med_state_set);
 EXPORT_SYMBOL(tape_alloc_request);
 EXPORT_SYMBOL(tape_free_request);
-EXPORT_SYMBOL(tape_dump_sense);
 EXPORT_SYMBOL(tape_dump_sense_dbf);
 EXPORT_SYMBOL(tape_do_io);
 EXPORT_SYMBOL(tape_do_io_async);
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index 8a376af926a7..202f42132939 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -20,8 +20,6 @@
 
 #include "tape.h"
 
-#define PRINTK_HEADER "TAPE_PROC: "
-
 static const char *tape_med_st_verbose[MS_SIZE] =
 {
 	[MS_UNKNOWN] = "UNKNOWN ",
@@ -128,7 +126,6 @@ tape_proc_init(void)
 		proc_create("tapedevices", S_IFREG | S_IRUGO | S_IWUSR, NULL,
 			    &tape_proc_ops);
 	if (tape_proc_devices == NULL) {
-		PRINT_WARN("tape: Cannot register procfs entry tapedevices\n");
 		return;
 	}
 }
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index 5bd573d144d6..1a9420ba518d 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -26,8 +26,6 @@
 #include "tape.h"
 #include "tape_std.h"
 
-#define PRINTK_HEADER "TAPE_STD: "
-
 /*
  * tape_std_assign
  */
@@ -39,16 +37,15 @@ tape_std_assign_timeout(unsigned long data)
 	int rc;
 
 	request = (struct tape_request *) data;
-	if ((device = request->device) == NULL)
-		BUG();
+	device = request->device;
+	BUG_ON(!device);
 
 	DBF_EVENT(3, "%08x: Assignment timeout. Device busy.\n",
 			device->cdev_id);
 	rc = tape_cancel_io(device, request);
 	if(rc)
-		PRINT_ERR("(%s): Assign timeout: Cancel failed with rc = %i\n",
+		DBF_EVENT(3, "(%s): Assign timeout: Cancel failed with rc = %i\n",
 			dev_name(&device->cdev->dev), rc);
-
 }
 
 int
@@ -82,8 +79,6 @@ tape_std_assign(struct tape_device *device)
 	del_timer(&timeout);
 
 	if (rc != 0) {
-		PRINT_WARN("%s: assign failed - device might be busy\n",
-			dev_name(&device->cdev->dev));
 		DBF_EVENT(3, "%08x: assign failed - device might be busy\n",
 			device->cdev_id);
 	} else {
@@ -105,8 +100,6 @@ tape_std_unassign (struct tape_device *device)
 	if (device->tape_state == TS_NOT_OPER) {
 		DBF_EVENT(3, "(%08x): Can't unassign device\n",
 			device->cdev_id);
-		PRINT_WARN("(%s): Can't unassign device - device gone\n",
-			dev_name(&device->cdev->dev));
 		return -EIO;
 	}
 
@@ -120,8 +113,6 @@ tape_std_unassign (struct tape_device *device)
 
 	if ((rc = tape_do_io(device, request)) != 0) {
 		DBF_EVENT(3, "%08x: Unassign failed\n", device->cdev_id);
-		PRINT_WARN("%s: Unassign failed\n",
-			   dev_name(&device->cdev->dev));
 	} else {
 		DBF_EVENT(3, "%08x: Tape unassigned\n", device->cdev_id);
 	}
@@ -242,8 +233,6 @@ tape_std_mtsetblk(struct tape_device *device, int count)
 	if (count > MAX_BLOCKSIZE) {
 		DBF_EVENT(3, "Invalid block size (%d > %d) given.\n",
 			count, MAX_BLOCKSIZE);
-		PRINT_ERR("Invalid block size (%d > %d) given.\n",
-			count, MAX_BLOCKSIZE);
 		return -EINVAL;
 	}
 
@@ -633,14 +622,6 @@ tape_std_mtcompression(struct tape_device *device, int mt_count)
 
 	if (mt_count < 0 || mt_count > 1) {
 		DBF_EXCEPTION(6, "xcom parm\n");
-		if (*device->modeset_byte & 0x08)
-			PRINT_INFO("(%s) Compression is currently on\n",
-				   dev_name(&device->cdev->dev));
-		else
-			PRINT_INFO("(%s) Compression is currently off\n",
-				   dev_name(&device->cdev->dev));
-		PRINT_INFO("Use 1 to switch compression on, 0 to "
-			   "switch it off\n");
 		return -EINVAL;
 	}
 	request = tape_alloc_request(2, 0);
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index eefc6611412e..1bbae433fbd8 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -5,7 +5,7 @@
  *
  * For more information please refer to Documentation/s390/zfcpdump.txt
  *
- * Copyright IBM Corp. 2003,2007
+ * Copyright IBM Corp. 2003,2008
  * Author(s): Michael Holzheu
  */
 
@@ -24,6 +24,7 @@
 #include <asm/debug.h>
 #include <asm/processor.h>
 #include <asm/irqflags.h>
+#include <asm/checksum.h>
 #include "sclp.h"
 
 #define TRACE(x...) debug_sprintf_event(zcore_dbf, 1, x)
@@ -48,12 +49,19 @@ struct sys_info {
 	union save_area	lc_mask;
 };
 
+struct ipib_info {
+	unsigned long	ipib;
+	u32		checksum;
+}  __attribute__((packed));
+
 static struct sys_info sys_info;
 static struct debug_info *zcore_dbf;
 static int hsa_available;
 static struct dentry *zcore_dir;
 static struct dentry *zcore_file;
 static struct dentry *zcore_memmap_file;
+static struct dentry *zcore_reipl_file;
+static struct ipl_parameter_block *ipl_block;
 
 /*
  * Copy memory from HSA to kernel or user memory (not reentrant):
@@ -527,6 +535,33 @@ static const struct file_operations zcore_memmap_fops = {
 	.release	= zcore_memmap_release,
 };
 
+static ssize_t zcore_reipl_write(struct file *filp, const char __user *buf,
+				 size_t count, loff_t *ppos)
+{
+	if (ipl_block) {
+		diag308(DIAG308_SET, ipl_block);
+		diag308(DIAG308_IPL, NULL);
+	}
+	return count;
+}
+
+static int zcore_reipl_open(struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
+static int zcore_reipl_release(struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
+static const struct file_operations zcore_reipl_fops = {
+	.owner		= THIS_MODULE,
+	.write		= zcore_reipl_write,
+	.open		= zcore_reipl_open,
+	.release	= zcore_reipl_release,
+};
+
 
 static void __init set_s390_lc_mask(union save_area *map)
 {
@@ -645,6 +680,40 @@ static int __init zcore_header_init(int arch, struct zcore_header *hdr)
 	return 0;
 }
 
+/*
+ * Provide IPL parameter information block from either HSA or memory
+ * for future reipl
+ */
+static int __init zcore_reipl_init(void)
+{
+	struct ipib_info ipib_info;
+	int rc;
+
+	rc = memcpy_hsa_kernel(&ipib_info, __LC_DUMP_REIPL, sizeof(ipib_info));
+	if (rc)
+		return rc;
+	if (ipib_info.ipib == 0)
+		return 0;
+	ipl_block = (void *) __get_free_page(GFP_KERNEL);
+	if (!ipl_block)
+		return -ENOMEM;
+	if (ipib_info.ipib < ZFCPDUMP_HSA_SIZE)
+		rc = memcpy_hsa_kernel(ipl_block, ipib_info.ipib, PAGE_SIZE);
+	else
+		rc = memcpy_real(ipl_block, ipib_info.ipib, PAGE_SIZE);
+	if (rc) {
+		free_page((unsigned long) ipl_block);
+		return rc;
+	}
+	if (csum_partial(ipl_block, ipl_block->hdr.len, 0) !=
+	    ipib_info.checksum) {
+		TRACE("Checksum does not match\n");
+		free_page((unsigned long) ipl_block);
+		ipl_block = NULL;
+	}
+	return 0;
+}
+
 static int __init zcore_init(void)
 {
 	unsigned char arch;
@@ -690,6 +759,10 @@ static int __init zcore_init(void)
 	if (rc)
 		goto fail;
 
+	rc = zcore_reipl_init();
+	if (rc)
+		goto fail;
+
 	zcore_dir = debugfs_create_dir("zcore" , NULL);
 	if (!zcore_dir) {
 		rc = -ENOMEM;
@@ -707,9 +780,17 @@ static int __init zcore_init(void)
 		rc = -ENOMEM;
 		goto fail_file;
 	}
+	zcore_reipl_file = debugfs_create_file("reipl", S_IRUSR, zcore_dir,
+						NULL, &zcore_reipl_fops);
+	if (!zcore_reipl_file) {
+		rc = -ENOMEM;
+		goto fail_memmap_file;
+	}
 	hsa_available = 1;
 	return 0;
 
+fail_memmap_file:
+	debugfs_remove(zcore_memmap_file);
 fail_file:
 	debugfs_remove(zcore_file);
 fail_dir:
@@ -723,10 +804,15 @@ static void __exit zcore_exit(void)
 {
 	debug_unregister(zcore_dbf);
 	sclp_sdias_exit();
+	free_page((unsigned long) ipl_block);
+	debugfs_remove(zcore_reipl_file);
+	debugfs_remove(zcore_memmap_file);
+	debugfs_remove(zcore_file);
+	debugfs_remove(zcore_dir);
 	diag308(DIAG308_REL_HSA, NULL);
 }
 
-MODULE_AUTHOR("Copyright IBM Corp. 2003,2007");
+MODULE_AUTHOR("Copyright IBM Corp. 2003,2008");
 MODULE_DESCRIPTION("zcore module for zfcpdump support");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile
index bd79bd165396..adb3dd301528 100644
--- a/drivers/s390/cio/Makefile
+++ b/drivers/s390/cio/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-y += airq.o blacklist.o chsc.o cio.o css.o chp.o idset.o isc.o scsw.o \
-	fcx.o itcw.o
+	fcx.o itcw.o crw.o
 ccw_device-objs += device.o device_fsm.o device_ops.o
 ccw_device-objs += device_id.o device_pgid.o device_status.o
 obj-y += ccw_device.o cmf.o
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c
index fe6cea15bbaf..65d2e769dfa1 100644
--- a/drivers/s390/cio/airq.c
+++ b/drivers/s390/cio/airq.c
@@ -34,8 +34,8 @@ struct airq_t {
 	void *drv_data;
 };
 
-static union indicator_t indicators[MAX_ISC];
-static struct airq_t *airqs[MAX_ISC][NR_AIRQS];
+static union indicator_t indicators[MAX_ISC+1];
+static struct airq_t *airqs[MAX_ISC+1][NR_AIRQS];
 
 static int register_airq(struct airq_t *airq, u8 isc)
 {
@@ -133,6 +133,8 @@ void do_adapter_IO(u8 isc)
 		while (word) {
 			if (word & INDICATOR_MASK) {
 				airq = airqs[isc][i];
+				/* Make sure gcc reads from airqs only once. */
+				barrier();
 				if (likely(airq))
 					airq->handler(&indicators[isc].byte[i],
 						      airq->drv_data);
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index fe00be3675cd..6565f027791e 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -336,8 +336,7 @@ cio_ignore_write(struct file *file, const char __user *user_buf,
 		 size_t user_len, loff_t *offset)
 {
 	char *buf;
-	size_t i;
-	ssize_t rc, ret;
+	ssize_t rc, ret, i;
 
 	if (*offset)
 		return -EINVAL;
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index b91c1719b075..22ce765d537e 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -315,16 +315,32 @@ error:
 }
 EXPORT_SYMBOL(ccwgroup_create_from_string);
 
-static int __init
-init_ccwgroup (void)
+static int ccwgroup_notifier(struct notifier_block *nb, unsigned long action,
+			     void *data);
+
+static struct notifier_block ccwgroup_nb = {
+	.notifier_call = ccwgroup_notifier
+};
+
+static int __init init_ccwgroup(void)
 {
-	return bus_register (&ccwgroup_bus_type);
+	int ret;
+
+	ret = bus_register(&ccwgroup_bus_type);
+	if (ret)
+		return ret;
+
+	ret = bus_register_notifier(&ccwgroup_bus_type, &ccwgroup_nb);
+	if (ret)
+		bus_unregister(&ccwgroup_bus_type);
+
+	return ret;
 }
 
-static void __exit
-cleanup_ccwgroup (void)
+static void __exit cleanup_ccwgroup(void)
 {
-	bus_unregister (&ccwgroup_bus_type);
+	bus_unregister_notifier(&ccwgroup_bus_type, &ccwgroup_nb);
+	bus_unregister(&ccwgroup_bus_type);
 }
 
 module_init(init_ccwgroup);
@@ -392,27 +408,28 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
 	unsigned long value;
 	int ret;
 
-	gdev = to_ccwgroupdev(dev);
 	if (!dev->driver)
-		return count;
+		return -ENODEV;
+
+	gdev = to_ccwgroupdev(dev);
+	gdrv = to_ccwgroupdrv(dev->driver);
 
-	gdrv = to_ccwgroupdrv (gdev->dev.driver);
 	if (!try_module_get(gdrv->owner))
 		return -EINVAL;
 
 	ret = strict_strtoul(buf, 0, &value);
 	if (ret)
 		goto out;
-	ret = count;
+
 	if (value == 1)
-		ccwgroup_set_online(gdev);
+		ret = ccwgroup_set_online(gdev);
 	else if (value == 0)
-		ccwgroup_set_offline(gdev);
+		ret = ccwgroup_set_offline(gdev);
 	else
 		ret = -EINVAL;
 out:
 	module_put(gdrv->owner);
-	return ret;
+	return (ret == 0) ? count : ret;
 }
 
 static ssize_t
@@ -454,13 +471,18 @@ ccwgroup_remove (struct device *dev)
 	struct ccwgroup_device *gdev;
 	struct ccwgroup_driver *gdrv;
 
+	device_remove_file(dev, &dev_attr_online);
+	device_remove_file(dev, &dev_attr_ungroup);
+
+	if (!dev->driver)
+		return 0;
+
 	gdev = to_ccwgroupdev(dev);
 	gdrv = to_ccwgroupdrv(dev->driver);
 
-	device_remove_file(dev, &dev_attr_online);
-
-	if (gdrv && gdrv->remove)
+	if (gdrv->remove)
 		gdrv->remove(gdev);
+
 	return 0;
 }
 
@@ -469,9 +491,13 @@ static void ccwgroup_shutdown(struct device *dev)
 	struct ccwgroup_device *gdev;
 	struct ccwgroup_driver *gdrv;
 
+	if (!dev->driver)
+		return;
+
 	gdev = to_ccwgroupdev(dev);
 	gdrv = to_ccwgroupdrv(dev->driver);
-	if (gdrv && gdrv->shutdown)
+
+	if (gdrv->shutdown)
 		gdrv->shutdown(gdev);
 }
 
@@ -484,6 +510,19 @@ static struct bus_type ccwgroup_bus_type = {
 	.shutdown = ccwgroup_shutdown,
 };
 
+
+static int ccwgroup_notifier(struct notifier_block *nb, unsigned long action,
+			     void *data)
+{
+	struct device *dev = data;
+
+	if (action == BUS_NOTIFY_UNBIND_DRIVER)
+		device_schedule_callback(dev, ccwgroup_ungroup_callback);
+
+	return NOTIFY_OK;
+}
+
+
 /**
  * ccwgroup_driver_register() - register a ccw group driver
  * @cdriver: driver to be registered
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 1246f61a5338..3e5f304ad88f 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -17,8 +17,8 @@
 #include <linux/errno.h>
 #include <asm/chpid.h>
 #include <asm/sclp.h>
+#include <asm/crw.h>
 
-#include "../s390mach.h"
 #include "cio.h"
 #include "css.h"
 #include "ioasm.h"
@@ -706,12 +706,12 @@ static int __init chp_init(void)
 	struct chp_id chpid;
 	int ret;
 
-	ret = s390_register_crw_handler(CRW_RSC_CPATH, chp_process_crw);
+	ret = crw_register_handler(CRW_RSC_CPATH, chp_process_crw);
 	if (ret)
 		return ret;
 	chp_wq = create_singlethread_workqueue("cio_chp");
 	if (!chp_wq) {
-		s390_unregister_crw_handler(CRW_RSC_CPATH);
+		crw_unregister_handler(CRW_RSC_CPATH);
 		return -ENOMEM;
 	}
 	INIT_WORK(&cfg_work, cfg_func);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index ebab6ea4659b..883f16f96f22 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -19,8 +19,8 @@
 #include <asm/cio.h>
 #include <asm/chpid.h>
 #include <asm/chsc.h>
+#include <asm/crw.h>
 
-#include "../s390mach.h"
 #include "css.h"
 #include "cio.h"
 #include "cio_debug.h"
@@ -589,6 +589,7 @@ __chsc_do_secm(struct channel_subsystem *css, int enable, void *page)
 	case 0x0102:
 	case 0x0103:
 		ret = -EINVAL;
+		break;
 	default:
 		ret = chsc_error_from_response(secm_area->response.code);
 	}
@@ -820,7 +821,7 @@ int __init chsc_alloc_sei_area(void)
 			      "chsc machine checks!\n");
 		return -ENOMEM;
 	}
-	ret = s390_register_crw_handler(CRW_RSC_CSS, chsc_process_crw);
+	ret = crw_register_handler(CRW_RSC_CSS, chsc_process_crw);
 	if (ret)
 		kfree(sei_page);
 	return ret;
@@ -828,7 +829,7 @@ int __init chsc_alloc_sei_area(void)
 
 void __init chsc_free_sei_area(void)
 {
-	s390_unregister_crw_handler(CRW_RSC_CSS);
+	crw_unregister_handler(CRW_RSC_CSS);
 	kfree(sei_page);
 }
 
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 659f8a791656..2aebb9823044 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -30,6 +30,8 @@
 #include <asm/isc.h>
 #include <asm/cpu.h>
 #include <asm/fcx.h>
+#include <asm/nmi.h>
+#include <asm/crw.h>
 #include "cio.h"
 #include "css.h"
 #include "chsc.h"
@@ -38,7 +40,6 @@
 #include "blacklist.h"
 #include "cio_debug.h"
 #include "chp.h"
-#include "../s390mach.h"
 
 debug_info_t *cio_debug_msg_id;
 debug_info_t *cio_debug_trace_id;
@@ -471,6 +472,7 @@ EXPORT_SYMBOL_GPL(cio_enable_subchannel);
 int cio_disable_subchannel(struct subchannel *sch)
 {
 	char dbf_txt[15];
+	int retry;
 	int ret;
 
 	CIO_TRACE_EVENT (2, "dissch");
@@ -481,16 +483,17 @@ int cio_disable_subchannel(struct subchannel *sch)
 	if (cio_update_schib(sch))
 		return -ENODEV;
 
-	if (scsw_actl(&sch->schib.scsw) != 0)
-		/*
-		 * the disable function must not be called while there are
-		 *  requests pending for completion !
-		 */
-		return -EBUSY;
-
 	sch->config.ena = 0;
-	ret = cio_commit_config(sch);
 
+	for (retry = 0; retry < 3; retry++) {
+		ret = cio_commit_config(sch);
+		if (ret == -EBUSY) {
+			struct irb irb;
+			if (tsch(sch->schid, &irb) != 0)
+				break;
+		} else
+			break;
+	}
 	sprintf (dbf_txt, "ret:%d", ret);
 	CIO_TRACE_EVENT (2, dbf_txt);
 	return ret;
diff --git a/drivers/s390/cio/crw.c b/drivers/s390/cio/crw.c
new file mode 100644
index 000000000000..d157665d0e76
--- /dev/null
+++ b/drivers/s390/cio/crw.c
@@ -0,0 +1,159 @@
+/*
+ *   Channel report handling code
+ *
+ *    Copyright IBM Corp. 2000,2009
+ *    Author(s): Ingo Adlung <adlung@de.ibm.com>,
+ *		 Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ *		 Cornelia Huck <cornelia.huck@de.ibm.com>,
+ *		 Heiko Carstens <heiko.carstens@de.ibm.com>,
+ */
+
+#include <linux/semaphore.h>
+#include <linux/mutex.h>
+#include <linux/kthread.h>
+#include <linux/init.h>
+#include <asm/crw.h>
+
+static struct semaphore crw_semaphore;
+static DEFINE_MUTEX(crw_handler_mutex);
+static crw_handler_t crw_handlers[NR_RSCS];
+
+/**
+ * crw_register_handler() - register a channel report word handler
+ * @rsc: reporting source code to handle
+ * @handler: handler to be registered
+ *
+ * Returns %0 on success and a negative error value otherwise.
+ */
+int crw_register_handler(int rsc, crw_handler_t handler)
+{
+	int rc = 0;
+
+	if ((rsc < 0) || (rsc >= NR_RSCS))
+		return -EINVAL;
+	mutex_lock(&crw_handler_mutex);
+	if (crw_handlers[rsc])
+		rc = -EBUSY;
+	else
+		crw_handlers[rsc] = handler;
+	mutex_unlock(&crw_handler_mutex);
+	return rc;
+}
+
+/**
+ * crw_unregister_handler() - unregister a channel report word handler
+ * @rsc: reporting source code to handle
+ */
+void crw_unregister_handler(int rsc)
+{
+	if ((rsc < 0) || (rsc >= NR_RSCS))
+		return;
+	mutex_lock(&crw_handler_mutex);
+	crw_handlers[rsc] = NULL;
+	mutex_unlock(&crw_handler_mutex);
+}
+
+/*
+ * Retrieve CRWs and call function to handle event.
+ */
+static int crw_collect_info(void *unused)
+{
+	struct crw crw[2];
+	int ccode;
+	unsigned int chain;
+	int ignore;
+
+repeat:
+	ignore = down_interruptible(&crw_semaphore);
+	chain = 0;
+	while (1) {
+		crw_handler_t handler;
+
+		if (unlikely(chain > 1)) {
+			struct crw tmp_crw;
+
+			printk(KERN_WARNING"%s: Code does not support more "
+			       "than two chained crws; please report to "
+			       "linux390@de.ibm.com!\n", __func__);
+			ccode = stcrw(&tmp_crw);
+			printk(KERN_WARNING"%s: crw reports slct=%d, oflw=%d, "
+			       "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
+			       __func__, tmp_crw.slct, tmp_crw.oflw,
+			       tmp_crw.chn, tmp_crw.rsc, tmp_crw.anc,
+			       tmp_crw.erc, tmp_crw.rsid);
+			printk(KERN_WARNING"%s: This was crw number %x in the "
+			       "chain\n", __func__, chain);
+			if (ccode != 0)
+				break;
+			chain = tmp_crw.chn ? chain + 1 : 0;
+			continue;
+		}
+		ccode = stcrw(&crw[chain]);
+		if (ccode != 0)
+			break;
+		printk(KERN_DEBUG "crw_info : CRW reports slct=%d, oflw=%d, "
+		       "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
+		       crw[chain].slct, crw[chain].oflw, crw[chain].chn,
+		       crw[chain].rsc, crw[chain].anc, crw[chain].erc,
+		       crw[chain].rsid);
+		/* Check for overflows. */
+		if (crw[chain].oflw) {
+			int i;
+
+			pr_debug("%s: crw overflow detected!\n", __func__);
+			mutex_lock(&crw_handler_mutex);
+			for (i = 0; i < NR_RSCS; i++) {
+				if (crw_handlers[i])
+					crw_handlers[i](NULL, NULL, 1);
+			}
+			mutex_unlock(&crw_handler_mutex);
+			chain = 0;
+			continue;
+		}
+		if (crw[0].chn && !chain) {
+			chain++;
+			continue;
+		}
+		mutex_lock(&crw_handler_mutex);
+		handler = crw_handlers[crw[chain].rsc];
+		if (handler)
+			handler(&crw[0], chain ? &crw[1] : NULL, 0);
+		mutex_unlock(&crw_handler_mutex);
+		/* chain is always 0 or 1 here. */
+		chain = crw[chain].chn ? chain + 1 : 0;
+	}
+	goto repeat;
+	return 0;
+}
+
+void crw_handle_channel_report(void)
+{
+	up(&crw_semaphore);
+}
+
+/*
+ * Separate initcall needed for semaphore initialization since
+ * crw_handle_channel_report might be called before crw_machine_check_init.
+ */
+static int __init crw_init_semaphore(void)
+{
+	init_MUTEX_LOCKED(&crw_semaphore);
+	return 0;
+}
+pure_initcall(crw_init_semaphore);
+
+/*
+ * Machine checks for the channel subsystem must be enabled
+ * after the channel subsystem is initialized
+ */
+static int __init crw_machine_check_init(void)
+{
+	struct task_struct *task;
+
+	task = kthread_run(crw_collect_info, NULL, "kmcheck");
+	if (IS_ERR(task))
+		return PTR_ERR(task);
+	ctl_set_bit(14, 28);	/* enable channel report MCH */
+	return 0;
+}
+device_initcall(crw_machine_check_init);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 427d11d88069..0085d8901792 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -18,8 +18,8 @@
 #include <linux/list.h>
 #include <linux/reboot.h>
 #include <asm/isc.h>
+#include <asm/crw.h>
 
-#include "../s390mach.h"
 #include "css.h"
 #include "cio.h"
 #include "cio_debug.h"
@@ -83,6 +83,25 @@ static int call_fn_unknown_sch(struct subchannel_id schid, void *data)
 	return rc;
 }
 
+static int call_fn_all_sch(struct subchannel_id schid, void *data)
+{
+	struct cb_data *cb = data;
+	struct subchannel *sch;
+	int rc = 0;
+
+	sch = get_subchannel_by_schid(schid);
+	if (sch) {
+		if (cb->fn_known_sch)
+			rc = cb->fn_known_sch(sch, cb->data);
+		put_device(&sch->dev);
+	} else {
+		if (cb->fn_unknown_sch)
+			rc = cb->fn_unknown_sch(schid, cb->data);
+	}
+
+	return rc;
+}
+
 int for_each_subchannel_staged(int (*fn_known)(struct subchannel *, void *),
 			       int (*fn_unknown)(struct subchannel_id,
 			       void *), void *data)
@@ -90,13 +109,17 @@ int for_each_subchannel_staged(int (*fn_known)(struct subchannel *, void *),
 	struct cb_data cb;
 	int rc;
 
-	cb.set = idset_sch_new();
-	if (!cb.set)
-		return -ENOMEM;
-	idset_fill(cb.set);
 	cb.data = data;
 	cb.fn_known_sch = fn_known;
 	cb.fn_unknown_sch = fn_unknown;
+
+	cb.set = idset_sch_new();
+	if (!cb.set)
+		/* fall back to brute force scanning in case of oom */
+		return for_each_subchannel(call_fn_all_sch, &cb);
+
+	idset_fill(cb.set);
+
 	/* Process registered subchannels. */
 	rc = bus_for_each_dev(&css_bus_type, NULL, &cb, call_fn_known_sch);
 	if (rc)
@@ -510,6 +533,17 @@ static int reprobe_subchannel(struct subchannel_id schid, void *data)
 	return ret;
 }
 
+static void reprobe_after_idle(struct work_struct *unused)
+{
+	/* Make sure initial subchannel scan is done. */
+	wait_event(ccw_device_init_wq,
+		   atomic_read(&ccw_device_init_count) == 0);
+	if (need_reprobe)
+		css_schedule_reprobe();
+}
+
+static DECLARE_WORK(reprobe_idle_work, reprobe_after_idle);
+
 /* Work function used to reprobe all unregistered subchannels. */
 static void reprobe_all(struct work_struct *unused)
 {
@@ -517,10 +551,12 @@ static void reprobe_all(struct work_struct *unused)
 
 	CIO_MSG_EVENT(4, "reprobe start\n");
 
-	need_reprobe = 0;
 	/* Make sure initial subchannel scan is done. */
-	wait_event(ccw_device_init_wq,
-		   atomic_read(&ccw_device_init_count) == 0);
+	if (atomic_read(&ccw_device_init_count) != 0) {
+		queue_work(ccw_device_work, &reprobe_idle_work);
+		return;
+	}
+	need_reprobe = 0;
 	ret = for_each_subchannel_staged(NULL, reprobe_subchannel, NULL);
 
 	CIO_MSG_EVENT(4, "reprobe done (rc=%d, need_reprobe=%d)\n", ret,
@@ -619,7 +655,7 @@ css_generate_pgid(struct channel_subsystem *css, u32 tod_high)
 		css->global_pgid.pgid_high.ext_cssid.cssid = css->cssid;
 	} else {
 #ifdef CONFIG_SMP
-		css->global_pgid.pgid_high.cpu_addr = hard_smp_processor_id();
+		css->global_pgid.pgid_high.cpu_addr = stap();
 #else
 		css->global_pgid.pgid_high.cpu_addr = 0;
 #endif
@@ -765,7 +801,7 @@ init_channel_subsystem (void)
 	if (ret)
 		goto out;
 
-	ret = s390_register_crw_handler(CRW_RSC_SCH, css_process_crw);
+	ret = crw_register_handler(CRW_RSC_SCH, css_process_crw);
 	if (ret)
 		goto out;
 
@@ -845,7 +881,7 @@ out_unregister:
 out_bus:
 	bus_unregister(&css_bus_type);
 out:
-	s390_unregister_crw_handler(CRW_RSC_CSS);
+	crw_unregister_handler(CRW_RSC_CSS);
 	chsc_free_sei_area();
 	kfree(slow_subchannel_set);
 	pr_alert("The CSS device driver initialization failed with "
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index e28f8ae53453..c4d2f667a2f6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -457,12 +457,13 @@ int ccw_device_set_online(struct ccw_device *cdev)
 	return (ret == 0) ? -ENODEV : ret;
 }
 
-static void online_store_handle_offline(struct ccw_device *cdev)
+static int online_store_handle_offline(struct ccw_device *cdev)
 {
 	if (cdev->private->state == DEV_STATE_DISCONNECTED)
 		ccw_device_remove_disconnected(cdev);
-	else if (cdev->drv && cdev->drv->set_offline)
-		ccw_device_set_offline(cdev);
+	else if (cdev->online && cdev->drv && cdev->drv->set_offline)
+		return ccw_device_set_offline(cdev);
+	return 0;
 }
 
 static int online_store_recog_and_online(struct ccw_device *cdev)
@@ -530,13 +531,10 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
 		goto out;
 	switch (i) {
 	case 0:
-		online_store_handle_offline(cdev);
-		ret = count;
+		ret = online_store_handle_offline(cdev);
 		break;
 	case 1:
 		ret = online_store_handle_online(cdev, force);
-		if (!ret)
-			ret = count;
 		break;
 	default:
 		ret = -EINVAL;
@@ -545,7 +543,7 @@ out:
 	if (cdev->drv)
 		module_put(cdev->drv->owner);
 	atomic_set(&cdev->private->onoff, 0);
-	return ret;
+	return (ret < 0) ? ret : count;
 }
 
 static ssize_t
@@ -681,35 +679,22 @@ get_orphaned_ccwdev_by_dev_id(struct channel_subsystem *css,
 	return dev ? to_ccwdev(dev) : NULL;
 }
 
-static void
-ccw_device_add_changed(struct work_struct *work)
-{
-	struct ccw_device_private *priv;
-	struct ccw_device *cdev;
-
-	priv = container_of(work, struct ccw_device_private, kick_work);
-	cdev = priv->cdev;
-	if (device_add(&cdev->dev)) {
-		put_device(&cdev->dev);
-		return;
-	}
-	set_bit(1, &cdev->private->registered);
-}
-
-void ccw_device_do_unreg_rereg(struct work_struct *work)
+void ccw_device_do_unbind_bind(struct work_struct *work)
 {
 	struct ccw_device_private *priv;
 	struct ccw_device *cdev;
 	struct subchannel *sch;
+	int ret;
 
 	priv = container_of(work, struct ccw_device_private, kick_work);
 	cdev = priv->cdev;
 	sch = to_subchannel(cdev->dev.parent);
 
-	ccw_device_unregister(cdev);
-	PREPARE_WORK(&cdev->private->kick_work,
-		     ccw_device_add_changed);
-	queue_work(ccw_device_work, &cdev->private->kick_work);
+	if (test_bit(1, &cdev->private->registered)) {
+		device_release_driver(&cdev->dev);
+		ret = device_attach(&cdev->dev);
+		WARN_ON(ret == -ENODEV);
+	}
 }
 
 static void
@@ -1035,8 +1020,6 @@ static void ccw_device_call_sch_unregister(struct work_struct *work)
 void
 io_subchannel_recog_done(struct ccw_device *cdev)
 {
-	struct subchannel *sch;
-
 	if (css_init_done == 0) {
 		cdev->private->flags.recog_done = 1;
 		return;
@@ -1047,7 +1030,6 @@ io_subchannel_recog_done(struct ccw_device *cdev)
 		/* Remove device found not operational. */
 		if (!get_device(&cdev->dev))
 			break;
-		sch = to_subchannel(cdev->dev.parent);
 		PREPARE_WORK(&cdev->private->kick_work,
 			     ccw_device_call_sch_unregister);
 		queue_work(slow_path_wq, &cdev->private->kick_work);
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 0f2e63ea48de..85e01846ca65 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -80,7 +80,7 @@ void io_subchannel_init_config(struct subchannel *sch);
 
 int ccw_device_cancel_halt_clear(struct ccw_device *);
 
-void ccw_device_do_unreg_rereg(struct work_struct *);
+void ccw_device_do_unbind_bind(struct work_struct *);
 void ccw_device_move_to_orphanage(struct work_struct *);
 int ccw_device_is_orphan(struct ccw_device *);
 
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 8df5eaafc5ab..87b4bfca080f 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -194,7 +194,7 @@ ccw_device_handle_oper(struct ccw_device *cdev)
 	    cdev->id.dev_type != cdev->private->senseid.dev_type ||
 	    cdev->id.dev_model != cdev->private->senseid.dev_model) {
 		PREPARE_WORK(&cdev->private->kick_work,
-			     ccw_device_do_unreg_rereg);
+			     ccw_device_do_unbind_bind);
 		queue_work(ccw_device_work, &cdev->private->kick_work);
 		return 0;
 	}
@@ -366,7 +366,7 @@ static void ccw_device_oper_notify(struct ccw_device *cdev)
 	}
 	/* Driver doesn't want device back. */
 	ccw_device_set_notoper(cdev);
-	PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unreg_rereg);
+	PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unbind_bind);
 	queue_work(ccw_device_work, &cdev->private->kick_work);
 }
 
@@ -728,7 +728,7 @@ static void ccw_device_generic_notoper(struct ccw_device *cdev,
 {
 	struct subchannel *sch;
 
-	cdev->private->state = DEV_STATE_NOT_OPER;
+	ccw_device_set_notoper(cdev);
 	sch = to_subchannel(cdev->dev.parent);
 	css_schedule_eval(sch->schid);
 }
@@ -1052,7 +1052,7 @@ ccw_device_offline_irq(struct ccw_device *cdev, enum dev_event dev_event)
 	sch = to_subchannel(cdev->dev.parent);
 	/*
 	 * An interrupt in state offline means a previous disable was not
-	 * successful. Try again.
+	 * successful - should not happen, but we try to disable again.
 	 */
 	cio_disable_subchannel(sch);
 }
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index eabcc42d63df..151754d54745 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -680,7 +680,7 @@ int ccw_device_tm_intrg(struct ccw_device *cdev)
 	if (cdev->private->state != DEV_STATE_ONLINE)
 		return -EIO;
 	if (!scsw_is_tm(&sch->schib.scsw) ||
-	    !(scsw_actl(&sch->schib.scsw) | SCSW_ACTL_START_PEND))
+	    !(scsw_actl(&sch->schib.scsw) & SCSW_ACTL_START_PEND))
 		return -EINVAL;
 	return cio_tm_intrg(sch);
 }
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 42f2b09631b6..13bcb8114388 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -186,6 +186,9 @@ struct qdio_input_q {
 	/* input buffer acknowledgement flag */
 	int polling;
 
+	/* first ACK'ed buffer */
+	int ack_start;
+
 	/* how much sbals are acknowledged with qebsm */
 	int ack_count;
 
@@ -234,7 +237,7 @@ struct qdio_q {
 	int first_to_check;
 
 	/* first_to_check of the last time */
-	int last_move_ftc;
+	int last_move;
 
 	/* beginning position for calling the program */
 	int first_to_kick;
@@ -244,7 +247,6 @@ struct qdio_q {
 
 	struct qdio_irq *irq_ptr;
 	struct tasklet_struct tasklet;
-	spinlock_t lock;
 
 	/* error condition during a data transfer */
 	unsigned int qdio_error;
@@ -354,7 +356,7 @@ int get_buf_state(struct qdio_q *q, unsigned int bufnr, unsigned char *state,
 		  int auto_ack);
 void qdio_check_outbound_after_thinint(struct qdio_q *q);
 int qdio_inbound_q_moved(struct qdio_q *q);
-void qdio_kick_inbound_handler(struct qdio_q *q);
+void qdio_kick_handler(struct qdio_q *q);
 void qdio_stop_polling(struct qdio_q *q);
 int qdio_siga_sync_q(struct qdio_q *q);
 
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index da7afb04e71f..e3434b34f86c 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -63,8 +63,9 @@ static int qstat_show(struct seq_file *m, void *v)
 	seq_printf(m, "device state indicator: %d\n", *(u32 *)q->irq_ptr->dsci);
 	seq_printf(m, "nr_used: %d\n", atomic_read(&q->nr_buf_used));
 	seq_printf(m, "ftc: %d\n", q->first_to_check);
-	seq_printf(m, "last_move_ftc: %d\n", q->last_move_ftc);
+	seq_printf(m, "last_move: %d\n", q->last_move);
 	seq_printf(m, "polling: %d\n", q->u.in.polling);
+	seq_printf(m, "ack start: %d\n", q->u.in.ack_start);
 	seq_printf(m, "ack count: %d\n", q->u.in.ack_count);
 	seq_printf(m, "slsb buffer states:\n");
 	seq_printf(m, "|0      |8      |16     |24     |32     |40     |48     |56  63|\n");
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 10cb0f8726e5..9e8a2914259b 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -380,11 +380,11 @@ inline void qdio_stop_polling(struct qdio_q *q)
 
 	/* show the card that we are not polling anymore */
 	if (is_qebsm(q)) {
-		set_buf_states(q, q->last_move_ftc, SLSB_P_INPUT_NOT_INIT,
+		set_buf_states(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT,
 			       q->u.in.ack_count);
 		q->u.in.ack_count = 0;
 	} else
-		set_buf_state(q, q->last_move_ftc, SLSB_P_INPUT_NOT_INIT);
+		set_buf_state(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT);
 }
 
 static void announce_buffer_error(struct qdio_q *q, int count)
@@ -419,15 +419,15 @@ static inline void inbound_primed(struct qdio_q *q, int count)
 		if (!q->u.in.polling) {
 			q->u.in.polling = 1;
 			q->u.in.ack_count = count;
-			q->last_move_ftc = q->first_to_check;
+			q->u.in.ack_start = q->first_to_check;
 			return;
 		}
 
 		/* delete the previous ACK's */
-		set_buf_states(q, q->last_move_ftc, SLSB_P_INPUT_NOT_INIT,
+		set_buf_states(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT,
 			       q->u.in.ack_count);
 		q->u.in.ack_count = count;
-		q->last_move_ftc = q->first_to_check;
+		q->u.in.ack_start = q->first_to_check;
 		return;
 	}
 
@@ -439,14 +439,13 @@ static inline void inbound_primed(struct qdio_q *q, int count)
 	if (q->u.in.polling) {
 		/* reset the previous ACK but first set the new one */
 		set_buf_state(q, new, SLSB_P_INPUT_ACK);
-		set_buf_state(q, q->last_move_ftc, SLSB_P_INPUT_NOT_INIT);
-	}
-	else {
+		set_buf_state(q, q->u.in.ack_start, SLSB_P_INPUT_NOT_INIT);
+	} else {
 		q->u.in.polling = 1;
-		set_buf_state(q, q->first_to_check, SLSB_P_INPUT_ACK);
+		set_buf_state(q, new, SLSB_P_INPUT_ACK);
 	}
 
-	q->last_move_ftc = new;
+	q->u.in.ack_start = new;
 	count--;
 	if (!count)
 		return;
@@ -455,7 +454,7 @@ static inline void inbound_primed(struct qdio_q *q, int count)
 	 * Need to change all PRIMED buffers to NOT_INIT, otherwise
 	 * we're loosing initiative in the thinint code.
 	 */
-	set_buf_states(q, next_buf(q->first_to_check), SLSB_P_INPUT_NOT_INIT,
+	set_buf_states(q, q->first_to_check, SLSB_P_INPUT_NOT_INIT,
 		       count);
 }
 
@@ -523,7 +522,8 @@ int qdio_inbound_q_moved(struct qdio_q *q)
 
 	bufnr = get_inbound_buffer_frontier(q);
 
-	if ((bufnr != q->last_move_ftc) || q->qdio_error) {
+	if ((bufnr != q->last_move) || q->qdio_error) {
+		q->last_move = bufnr;
 		if (!need_siga_sync(q) && !pci_out_supported(q))
 			q->u.in.timestamp = get_usecs();
 
@@ -570,29 +570,30 @@ static int qdio_inbound_q_done(struct qdio_q *q)
 	}
 }
 
-void qdio_kick_inbound_handler(struct qdio_q *q)
+void qdio_kick_handler(struct qdio_q *q)
 {
-	int count, start, end;
-
-	qdio_perf_stat_inc(&perf_stats.inbound_handler);
-
-	start = q->first_to_kick;
-	end = q->first_to_check;
-	if (end >= start)
-		count = end - start;
-	else
-		count = end + QDIO_MAX_BUFFERS_PER_Q - start;
-
-	DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kih s:%3d c:%3d", start, count);
+	int start = q->first_to_kick;
+	int end = q->first_to_check;
+	int count;
 
 	if (unlikely(q->irq_ptr->state != QDIO_IRQ_STATE_ACTIVE))
 		return;
 
-	q->handler(q->irq_ptr->cdev, q->qdio_error, q->nr,
-		   start, count, q->irq_ptr->int_parm);
+	count = sub_buf(end, start);
+
+	if (q->is_input_q) {
+		qdio_perf_stat_inc(&perf_stats.inbound_handler);
+		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kih s:%3d c:%3d", start, count);
+	} else {
+		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "koh: nr:%1d", q->nr);
+		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "s:%3d c:%3d", start, count);
+	}
+
+	q->handler(q->irq_ptr->cdev, q->qdio_error, q->nr, start, count,
+		   q->irq_ptr->int_parm);
 
 	/* for the next time */
-	q->first_to_kick = q->first_to_check;
+	q->first_to_kick = end;
 	q->qdio_error = 0;
 }
 
@@ -603,7 +604,7 @@ again:
 	if (!qdio_inbound_q_moved(q))
 		return;
 
-	qdio_kick_inbound_handler(q);
+	qdio_kick_handler(q);
 
 	if (!qdio_inbound_q_done(q))
 		/* means poll time is not yet over */
@@ -698,21 +699,21 @@ static inline int qdio_outbound_q_moved(struct qdio_q *q)
 
 	bufnr = get_outbound_buffer_frontier(q);
 
-	if ((bufnr != q->last_move_ftc) || q->qdio_error) {
-		q->last_move_ftc = bufnr;
+	if ((bufnr != q->last_move) || q->qdio_error) {
+		q->last_move = bufnr;
 		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "out moved:%1d", q->nr);
 		return 1;
 	} else
 		return 0;
 }
 
-static void qdio_kick_outbound_q(struct qdio_q *q)
+static int qdio_kick_outbound_q(struct qdio_q *q)
 {
 	unsigned int busy_bit;
 	int cc;
 
 	if (!need_siga_out(q))
-		return;
+		return 0;
 
 	DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-w:%1d", q->nr);
 	qdio_perf_stat_inc(&perf_stats.siga_out);
@@ -724,75 +725,37 @@ static void qdio_kick_outbound_q(struct qdio_q *q)
 	case 2:
 		if (busy_bit) {
 			DBF_ERROR("%4x cc2 REP:%1d", SCH_NO(q), q->nr);
-			q->qdio_error = cc | QDIO_ERROR_SIGA_BUSY;
-		} else {
-			DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-w cc2:%1d",
-				      q->nr);
-			q->qdio_error = cc;
-		}
+			cc |= QDIO_ERROR_SIGA_BUSY;
+		} else
+			DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-w cc2:%1d", q->nr);
 		break;
 	case 1:
 	case 3:
 		DBF_ERROR("%4x SIGA-W:%1d", SCH_NO(q), cc);
-		q->qdio_error = cc;
 		break;
 	}
-}
-
-static void qdio_kick_outbound_handler(struct qdio_q *q)
-{
-	int start, end, count;
-
-	start = q->first_to_kick;
-	end = q->last_move_ftc;
-	if (end >= start)
-		count = end - start;
-	else
-		count = end + QDIO_MAX_BUFFERS_PER_Q - start;
-
-	DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kickouth: %1d", q->nr);
-	DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "s:%3d c:%3d", start, count);
-
-	if (unlikely(q->irq_ptr->state != QDIO_IRQ_STATE_ACTIVE))
-		return;
-
-	q->handler(q->irq_ptr->cdev, q->qdio_error, q->nr, start, count,
-		   q->irq_ptr->int_parm);
-
-	/* for the next time: */
-	q->first_to_kick = q->last_move_ftc;
-	q->qdio_error = 0;
+	return cc;
 }
 
 static void __qdio_outbound_processing(struct qdio_q *q)
 {
-	unsigned long flags;
-
 	qdio_perf_stat_inc(&perf_stats.tasklet_outbound);
-	spin_lock_irqsave(&q->lock, flags);
-
 	BUG_ON(atomic_read(&q->nr_buf_used) < 0);
 
 	if (qdio_outbound_q_moved(q))
-		qdio_kick_outbound_handler(q);
-
-	spin_unlock_irqrestore(&q->lock, flags);
+		qdio_kick_handler(q);
 
-	if (queue_type(q) == QDIO_ZFCP_QFMT) {
+	if (queue_type(q) == QDIO_ZFCP_QFMT)
 		if (!pci_out_supported(q) && !qdio_outbound_q_done(q))
-			tasklet_schedule(&q->tasklet);
-		return;
-	}
+			goto sched;
 
 	/* bail out for HiperSockets unicast queues */
 	if (queue_type(q) == QDIO_IQDIO_QFMT && !multicast_outbound(q))
 		return;
 
 	if ((queue_type(q) == QDIO_IQDIO_QFMT) &&
-	    (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL) {
-		tasklet_schedule(&q->tasklet);
-		return;
-	}
+	    (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL)
+		goto sched;
 
 	if (q->u.out.pci_out_enabled)
 		return;
@@ -810,6 +773,12 @@ static void __qdio_outbound_processing(struct qdio_q *q)
 			qdio_perf_stat_inc(&perf_stats.debug_tl_out_timer);
 		}
 	}
+	return;
+
+sched:
+	if (unlikely(q->irq_ptr->state == QDIO_IRQ_STATE_STOPPED))
+		return;
+	tasklet_schedule(&q->tasklet);
 }
 
 /* outbound tasklet */
@@ -822,6 +791,9 @@ void qdio_outbound_processing(unsigned long data)
 void qdio_outbound_timer(unsigned long data)
 {
 	struct qdio_q *q = (struct qdio_q *)data;
+
+	if (unlikely(q->irq_ptr->state == QDIO_IRQ_STATE_STOPPED))
+		return;
 	tasklet_schedule(&q->tasklet);
 }
 
@@ -863,6 +835,9 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr)
 	int i;
 	struct qdio_q *q;
 
+	if (unlikely(irq_ptr->state == QDIO_IRQ_STATE_STOPPED))
+		return;
+
 	qdio_perf_stat_inc(&perf_stats.pci_int);
 
 	for_each_input_queue(irq_ptr, q, i)
@@ -1065,8 +1040,9 @@ EXPORT_SYMBOL_GPL(qdio_get_ssqd_desc);
  * @cdev: associated ccw device
  * @how: use halt or clear to shutdown
  *
- * This function calls qdio_shutdown() for @cdev with method @how
- * and on success qdio_free() for @cdev.
+ * This function calls qdio_shutdown() for @cdev with method @how.
+ * and qdio_free(). The qdio_free() return value is ignored since
+ * !irq_ptr is already checked.
  */
 int qdio_cleanup(struct ccw_device *cdev, int how)
 {
@@ -1077,8 +1053,8 @@ int qdio_cleanup(struct ccw_device *cdev, int how)
 		return -ENODEV;
 
 	rc = qdio_shutdown(cdev, how);
-	if (rc == 0)
-		rc = qdio_free(cdev);
+
+	qdio_free(cdev);
 	return rc;
 }
 EXPORT_SYMBOL_GPL(qdio_cleanup);
@@ -1090,11 +1066,11 @@ static void qdio_shutdown_queues(struct ccw_device *cdev)
 	int i;
 
 	for_each_input_queue(irq_ptr, q, i)
-		tasklet_disable(&q->tasklet);
+		tasklet_kill(&q->tasklet);
 
 	for_each_output_queue(irq_ptr, q, i) {
-		tasklet_disable(&q->tasklet);
 		del_timer(&q->u.out.timer);
+		tasklet_kill(&q->tasklet);
 	}
 }
 
@@ -1112,6 +1088,7 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
 	if (!irq_ptr)
 		return -ENODEV;
 
+	BUG_ON(irqs_disabled());
 	DBF_EVENT("qshutdown:%4x", cdev->private->schid.sch_no);
 
 	mutex_lock(&irq_ptr->setup_mutex);
@@ -1124,6 +1101,12 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
 		return 0;
 	}
 
+	/*
+	 * Indicate that the device is going down. Scheduling the queue
+	 * tasklets is forbidden from here on.
+	 */
+	qdio_set_state(irq_ptr, QDIO_IRQ_STATE_STOPPED);
+
 	tiqdio_remove_input_queues(irq_ptr);
 	qdio_shutdown_queues(cdev);
 	qdio_shutdown_debug_entries(irq_ptr, cdev);
@@ -1403,9 +1386,8 @@ int qdio_activate(struct ccw_device *cdev)
 	switch (irq_ptr->state) {
 	case QDIO_IRQ_STATE_STOPPED:
 	case QDIO_IRQ_STATE_ERR:
-		mutex_unlock(&irq_ptr->setup_mutex);
-		qdio_shutdown(cdev, QDIO_FLAG_CLEANUP_USING_CLEAR);
-		return -EIO;
+		rc = -EIO;
+		break;
 	default:
 		qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ACTIVE);
 		rc = 0;
@@ -1442,10 +1424,10 @@ static inline int buf_in_between(int bufnr, int start, int count)
  * @bufnr: first buffer to process
  * @count: how many buffers are emptied
  */
-static void handle_inbound(struct qdio_q *q, unsigned int callflags,
-			   int bufnr, int count)
+static int handle_inbound(struct qdio_q *q, unsigned int callflags,
+			  int bufnr, int count)
 {
-	int used, cc, diff;
+	int used, diff;
 
 	if (!q->u.in.polling)
 		goto set;
@@ -1456,19 +1438,18 @@ static void handle_inbound(struct qdio_q *q, unsigned int callflags,
 		q->u.in.polling = 0;
 		q->u.in.ack_count = 0;
 		goto set;
-	} else if (buf_in_between(q->last_move_ftc, bufnr, count)) {
+	} else if (buf_in_between(q->u.in.ack_start, bufnr, count)) {
 		if (is_qebsm(q)) {
-			/* partial overwrite, just update last_move_ftc */
+			/* partial overwrite, just update ack_start */
 			diff = add_buf(bufnr, count);
-			diff = sub_buf(diff, q->last_move_ftc);
+			diff = sub_buf(diff, q->u.in.ack_start);
 			q->u.in.ack_count -= diff;
 			if (q->u.in.ack_count <= 0) {
 				q->u.in.polling = 0;
 				q->u.in.ack_count = 0;
-				/* TODO: must we set last_move_ftc to something meaningful? */
 				goto set;
 			}
-			q->last_move_ftc = add_buf(q->last_move_ftc, diff);
+			q->u.in.ack_start = add_buf(q->u.in.ack_start, diff);
 		}
 		else
 			/* the only ACK will be deleted, so stop polling */
@@ -1483,13 +1464,11 @@ set:
 
 	/* no need to signal as long as the adapter had free buffers */
 	if (used)
-		return;
+		return 0;
 
-	if (need_siga_in(q)) {
-		cc = qdio_siga_input(q);
-		if (cc)
-			q->qdio_error = cc;
-	}
+	if (need_siga_in(q))
+		return qdio_siga_input(q);
+	return 0;
 }
 
 /**
@@ -1499,11 +1478,11 @@ set:
  * @bufnr: first buffer to process
  * @count: how many buffers are filled
  */
-static void handle_outbound(struct qdio_q *q, unsigned int callflags,
-			    int bufnr, int count)
+static int handle_outbound(struct qdio_q *q, unsigned int callflags,
+			   int bufnr, int count)
 {
 	unsigned char state;
-	int used;
+	int used, rc = 0;
 
 	qdio_perf_stat_inc(&perf_stats.outbound_handler);
 
@@ -1518,27 +1497,26 @@ static void handle_outbound(struct qdio_q *q, unsigned int callflags,
 
 	if (queue_type(q) == QDIO_IQDIO_QFMT) {
 		if (multicast_outbound(q))
-			qdio_kick_outbound_q(q);
+			rc = qdio_kick_outbound_q(q);
 		else
 			if ((q->irq_ptr->ssqd_desc.mmwc > 1) &&
 			    (count > 1) &&
 			    (count <= q->irq_ptr->ssqd_desc.mmwc)) {
 				/* exploit enhanced SIGA */
 				q->u.out.use_enh_siga = 1;
-				qdio_kick_outbound_q(q);
+				rc = qdio_kick_outbound_q(q);
 			} else {
 				/*
 				* One siga-w per buffer required for unicast
 				* HiperSockets.
 				*/
 				q->u.out.use_enh_siga = 0;
-				while (count--)
-					qdio_kick_outbound_q(q);
+				while (count--) {
+					rc = qdio_kick_outbound_q(q);
+					if (rc)
+						goto out;
+				}
 			}
-
-		/* report CC=2 conditions synchronously */
-		if (q->qdio_error)
-			__qdio_outbound_processing(q);
 		goto out;
 	}
 
@@ -1550,14 +1528,14 @@ static void handle_outbound(struct qdio_q *q, unsigned int callflags,
 	/* try to fast requeue buffers */
 	get_buf_state(q, prev_buf(bufnr), &state, 0);
 	if (state != SLSB_CU_OUTPUT_PRIMED)
-		qdio_kick_outbound_q(q);
+		rc = qdio_kick_outbound_q(q);
 	else {
 		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "fast-req");
 		qdio_perf_stat_inc(&perf_stats.fast_requeue);
 	}
 out:
-	/* Fixme: could wait forever if called from process context */
 	tasklet_schedule(&q->tasklet);
+	return rc;
 }
 
 /**
@@ -1596,14 +1574,12 @@ int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
 		return -EBUSY;
 
 	if (callflags & QDIO_FLAG_SYNC_INPUT)
-		handle_inbound(irq_ptr->input_qs[q_nr], callflags, bufnr,
-			       count);
+		return handle_inbound(irq_ptr->input_qs[q_nr],
+				      callflags, bufnr, count);
 	else if (callflags & QDIO_FLAG_SYNC_OUTPUT)
-		handle_outbound(irq_ptr->output_qs[q_nr], callflags, bufnr,
-				count);
-	else
-		return -EINVAL;
-	return 0;
+		return handle_outbound(irq_ptr->output_qs[q_nr],
+				       callflags, bufnr, count);
+	return -EINVAL;
 }
 EXPORT_SYMBOL_GPL(do_QDIO);
 
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index c08356b95bf5..18d54fc21ce9 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -117,7 +117,6 @@ static void setup_queues_misc(struct qdio_q *q, struct qdio_irq *irq_ptr,
 	q->mask = 1 << (31 - i);
 	q->nr = i;
 	q->handler = handler;
-	spin_lock_init(&q->lock);
 }
 
 static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr,
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index 8e90e147b746..c655d011a78d 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -31,6 +31,7 @@
 
 /* list of thin interrupt input queues */
 static LIST_HEAD(tiq_list);
+DEFINE_MUTEX(tiq_list_lock);
 
 /* adapter local summary indicator */
 static unsigned char *tiqdio_alsi;
@@ -95,12 +96,11 @@ void tiqdio_add_input_queues(struct qdio_irq *irq_ptr)
 	if (!css_qdio_omit_svs && irq_ptr->siga_flag.sync)
 		css_qdio_omit_svs = 1;
 
-	for_each_input_queue(irq_ptr, q, i) {
+	mutex_lock(&tiq_list_lock);
+	for_each_input_queue(irq_ptr, q, i)
 		list_add_rcu(&q->entry, &tiq_list);
-		synchronize_rcu();
-	}
+	mutex_unlock(&tiq_list_lock);
 	xchg(irq_ptr->dsci, 1);
-	tasklet_schedule(&tiqdio_tasklet);
 }
 
 /*
@@ -118,7 +118,10 @@ void tiqdio_remove_input_queues(struct qdio_irq *irq_ptr)
 		/* if establish triggered an error */
 		if (!q || !q->entry.prev || !q->entry.next)
 			continue;
+
+		mutex_lock(&tiq_list_lock);
 		list_del_rcu(&q->entry);
+		mutex_unlock(&tiq_list_lock);
 		synchronize_rcu();
 	}
 }
@@ -155,15 +158,15 @@ static void __tiqdio_inbound_processing(struct qdio_q *q)
 	 */
 	qdio_check_outbound_after_thinint(q);
 
-again:
 	if (!qdio_inbound_q_moved(q))
 		return;
 
-	qdio_kick_inbound_handler(q);
+	qdio_kick_handler(q);
 
 	if (!tiqdio_inbound_q_done(q)) {
 		qdio_perf_stat_inc(&perf_stats.thinint_inbound_loop);
-		goto again;
+		if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED))
+			tasklet_schedule(&q->tasklet);
 	}
 
 	qdio_stop_polling(q);
@@ -173,7 +176,8 @@ again:
 	 */
 	if (!tiqdio_inbound_q_done(q)) {
 		qdio_perf_stat_inc(&perf_stats.thinint_inbound_loop2);
-		goto again;
+		if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED))
+			tasklet_schedule(&q->tasklet);
 	}
 }
 
@@ -366,10 +370,11 @@ void qdio_shutdown_thinint(struct qdio_irq *irq_ptr)
 
 void __exit tiqdio_unregister_thinints(void)
 {
-	tasklet_disable(&tiqdio_tasklet);
+	WARN_ON(!list_empty(&tiq_list));
 
 	if (tiqdio_alsi) {
 		s390_unregister_adapter_interrupt(tiqdio_alsi, QDIO_AIRQ_ISC);
 		isc_unregister(QDIO_AIRQ_ISC);
 	}
+	tasklet_kill(&tiqdio_tasklet);
 }
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index cb22b97944b8..65b6a96afe6b 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -128,8 +128,7 @@ static void __zcrypt_increase_preference(struct zcrypt_device *zdev)
 	if (l == zdev->list.prev)
 		return;
 	/* Move zdev behind l */
-	list_del(&zdev->list);
-	list_add(&zdev->list, l);
+	list_move(&zdev->list, l);
 }
 
 /**
@@ -157,8 +156,7 @@ static void __zcrypt_decrease_preference(struct zcrypt_device *zdev)
 	if (l == zdev->list.next)
 		return;
 	/* Move zdev before l */
-	list_del(&zdev->list);
-	list_add_tail(&zdev->list, l);
+	list_move_tail(&zdev->list, l);
 }
 
 static void zcrypt_device_release(struct kref *kref)
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index e7a1e22e77ac..c20d4790258e 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -781,8 +781,7 @@ static long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev,
 		/* Signal pending. */
 		ap_cancel_message(zdev->ap_dev, &ap_msg);
 out_free:
-	memset(ap_msg.message, 0x0, ap_msg.length);
-	kfree(ap_msg.message);
+	kzfree(ap_msg.message);
 	return rc;
 }
 
diff --git a/drivers/s390/ebcdic.c b/drivers/s390/ebcdic.c
deleted file mode 100644
index 99c98da15473..000000000000
--- a/drivers/s390/ebcdic.c
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- *  arch/s390/kernel/ebcdic.c
- *    ECBDIC -> ASCII, ASCII -> ECBDIC conversion tables.
- *
- *  S390 version
- *    Copyright (C) 1998 IBM Corporation
- *    Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
- */
-
-#include <asm/types.h>
-
-/*
- * ASCII -> EBCDIC
- */
-__u8 _ascebc[256] =
-{
- /*00  NL    SH    SX    EX    ET    NQ    AK    BL */
-     0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
- /*08  BS    HT    LF    VT    FF    CR    SO    SI */
-     0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- /*10  DL    D1    D2    D3    D4    NK    SN    EB */
-     0x10, 0x11, 0x12, 0x13, 0x3C, 0x15, 0x32, 0x26,
- /*18  CN    EM    SB    EC    FS    GS    RS    US */
-     0x18, 0x19, 0x3F, 0x27, 0x1C, 0x1D, 0x1E, 0x1F,
- /*20  SP     !     "     #     $     %     &     ' */
-     0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
- /*28   (     )     *     +     ,     -    .      / */
-     0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
- /*30   0     1     2     3     4     5     6     7 */
-     0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
- /*38   8     9     :     ;     <     =     >     ? */
-     0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
- /*40   @     A     B     C     D     E     F     G */
-     0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
- /*48   H     I     J     K     L     M     N     O */
-     0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
- /*50   P     Q     R     S     T     U     V     W */
-     0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
- /*58   X     Y     Z     [     \     ]     ^     _ */
-     0xE7, 0xE8, 0xE9, 0xAD, 0xE0, 0xBD, 0x5F, 0x6D,
- /*60   `     a     b     c     d     e     f     g */
-     0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- /*68   h     i     j     k     l     m     n     o */
-     0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
- /*70   p     q     r     s     t     u     v     w */
-     0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
- /*78   x     y     z     {     |     }     ~    DL */
-     0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
-     0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0xFF
-};
-
-/*
- * EBCDIC -> ASCII
- */
-__u8 _ebcasc[256] =
-{
- /* 0x00   NUL   SOH   STX   ETX  *SEL    HT  *RNL   DEL */
-          0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
- /* 0x08   -GE  -SPS  -RPT    VT    FF    CR    SO    SI */
-          0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- /* 0x10   DLE   DC1   DC2   DC3  -RES   -NL    BS  -POC
-                                  -ENP  ->LF             */
-          0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
- /* 0x18   CAN    EM  -UBS  -CU1  -IFS  -IGS  -IRS  -ITB
-                                                    -IUS */
-          0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
- /* 0x20   -DS  -SOS    FS  -WUS  -BYP    LF   ETB   ESC
-                                  -INP                   */
-          0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
- /* 0x28   -SA  -SFE   -SM  -CSP  -MFA   ENQ   ACK   BEL
-                       -SW                               */ 
-          0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
- /* 0x30  ----  ----   SYN   -IR   -PP  -TRN  -NBS   EOT */
-          0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
- /* 0x38  -SBS   -IT  -RFF  -CU3   DC4   NAK  ----   SUB */
-          0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
- /* 0x40    SP   RSP           ��              ----       */
-          0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
- /* 0x48                       .     <     (     +     | */
-          0x87, 0xA4, 0x9B, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
- /* 0x50     &                                      ---- */
-          0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
- /* 0x58           ��     !     $     *     )     ;       */
-          0x8D, 0xE1, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0xAA,
- /* 0x60     -     /  ----     ��  ----  ----  ----       */
-          0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
- /* 0x68              ----     ,     %     _     >     ? */ 
-          0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
- /* 0x70  ----        ----  ----  ----  ----  ----  ---- */
-          0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
- /* 0x78     *     `     :     #     @     '     =     " */
-          0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
- /* 0x80     *     a     b     c     d     e     f     g */
-          0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- /* 0x88     h     i              ----  ----  ----       */
-          0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
- /* 0x90     ��     j     k     l     m     n     o     p */
-          0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
- /* 0x98     q     r                    ----        ---- */
-          0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
- /* 0xA0           ~     s     t     u     v     w     x */
-          0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
- /* 0xA8     y     z              ----  ----  ----  ---- */
-          0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
- /* 0xB0     ^                    ----     ��  ----       */
-          0x5E, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
- /* 0xB8        ----     [     ]  ----  ----  ----  ---- */
-          0xAB, 0x07, 0x5B, 0x5D, 0x07, 0x07, 0x07, 0x07,
- /* 0xC0     {     A     B     C     D     E     F     G */
-          0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- /* 0xC8     H     I  ----           ��              ---- */
-          0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
- /* 0xD0     }     J     K     L     M     N     O     P */
-          0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
- /* 0xD8     Q     R  ----           ��                   */
-          0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
- /* 0xE0     \           S     T     U     V     W     X */
-          0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- /* 0xE8     Y     Z        ----     ��  ----  ----  ---- */
-          0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
- /* 0xF0     0     1     2     3     4     5     6     7 */
-          0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- /* 0xF8     8     9  ----  ----     ��  ----  ----  ---- */
-          0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07
-};
-
-/*
- * EBCDIC (capitals) -> ASCII (small case)
- */
-__u8 _ebcasc_reduce_case[256] =
-{
- /* 0x00   NUL   SOH   STX   ETX  *SEL    HT  *RNL   DEL */
-          0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
-
- /* 0x08   -GE  -SPS  -RPT    VT    FF    CR    SO    SI */
-          0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
-
- /* 0x10   DLE   DC1   DC2   DC3  -RES   -NL    BS  -POC
-                                  -ENP  ->LF             */
-          0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
-
- /* 0x18   CAN    EM  -UBS  -CU1  -IFS  -IGS  -IRS  -ITB
-                                                    -IUS */
-          0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
-
- /* 0x20   -DS  -SOS    FS  -WUS  -BYP    LF   ETB   ESC
-                                  -INP                   */
-          0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
-
- /* 0x28   -SA  -SFE   -SM  -CSP  -MFA   ENQ   ACK   BEL
-                       -SW                               */ 
-          0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
-
- /* 0x30  ----  ----   SYN   -IR   -PP  -TRN  -NBS   EOT */
-          0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
-
- /* 0x38  -SBS   -IT  -RFF  -CU3   DC4   NAK  ----   SUB */
-          0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
-
- /* 0x40    SP   RSP           ��              ----       */
-          0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
-
- /* 0x48                       .     <     (     +     | */
-          0x87, 0xA4, 0x9B, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
-
- /* 0x50     &                                      ---- */
-          0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
-
- /* 0x58           ��     !     $     *     )     ;       */
-          0x8D, 0xE1, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0xAA,
-
- /* 0x60     -     /  ----     ��  ----  ----  ----       */
-          0x2D, 0x2F, 0x07, 0x84, 0x07, 0x07, 0x07, 0x8F,
-
- /* 0x68              ----     ,     %     _     >     ? */ 
-          0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
-
- /* 0x70  ----        ----  ----  ----  ----  ----  ---- */
-          0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
-
- /* 0x78     *     `     :     #     @     '     =     " */
-          0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
-
- /* 0x80     *     a     b     c     d     e     f     g */
-          0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
-
- /* 0x88     h     i              ----  ----  ----       */
-          0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
-
- /* 0x90     ��     j     k     l     m     n     o     p */
-          0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
-
- /* 0x98     q     r                    ----        ---- */
-          0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
-
- /* 0xA0           ~     s     t     u     v     w     x */
-          0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
-
- /* 0xA8     y     z              ----  ----  ----  ---- */
-          0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
-
- /* 0xB0     ^                    ----     ��  ----       */
-          0x5E, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
-
- /* 0xB8        ----     [     ]  ----  ----  ----  ---- */
-          0xAB, 0x07, 0x5B, 0x5D, 0x07, 0x07, 0x07, 0x07,
-
- /* 0xC0     {     A     B     C     D     E     F     G */
-          0x7B, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
-
- /* 0xC8     H     I  ----           ��              ---- */
-          0x68, 0x69, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
-
- /* 0xD0     }     J     K     L     M     N     O     P */
-          0x7D, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
-
- /* 0xD8     Q     R  ----           ��                   */
-          0x71, 0x72, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
-
- /* 0xE0     \           S     T     U     V     W     X */
-          0x5C, 0xF6, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
-
- /* 0xE8     Y     Z        ----     ��  ----  ----  ---- */
-          0x79, 0x7A, 0xFD, 0x07, 0x94, 0x07, 0x07, 0x07,
-
- /* 0xF0     0     1     2     3     4     5     6     7 */
-          0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
-
- /* 0xF8     8     9  ----  ----     ��  ----  ----  ---- */
-          0x38, 0x39, 0x07, 0x07, 0x81, 0x07, 0x07, 0x07
-};
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 6fec3cfcf978..c827d69b5a91 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2680,40 +2680,21 @@ static int qeth_handle_send_error(struct qeth_card *card,
 		struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err)
 {
 	int sbalf15 = buffer->buffer->element[15].flags & 0xff;
-	int cc = qdio_err & 3;
 
 	QETH_DBF_TEXT(TRACE, 6, "hdsnderr");
 	qeth_check_qdio_errors(buffer->buffer, qdio_err, "qouterr");
-	switch (cc) {
-	case 0:
-		if (qdio_err) {
-			QETH_DBF_TEXT(TRACE, 1, "lnkfail");
-			QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
-			QETH_DBF_TEXT_(TRACE, 1, "%04x %02x",
-				       (u16)qdio_err, (u8)sbalf15);
-			return QETH_SEND_ERROR_LINK_FAILURE;
-		}
+
+	if (!qdio_err)
 		return QETH_SEND_ERROR_NONE;
-	case 2:
-		if (qdio_err & QDIO_ERROR_SIGA_BUSY) {
-			QETH_DBF_TEXT(TRACE, 1, "SIGAcc2B");
-			QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
-			return QETH_SEND_ERROR_KICK_IT;
-		}
-		if ((sbalf15 >= 15) && (sbalf15 <= 31))
-			return QETH_SEND_ERROR_RETRY;
-		return QETH_SEND_ERROR_LINK_FAILURE;
-		/* look at qdio_error and sbalf 15 */
-	case 1:
-		QETH_DBF_TEXT(TRACE, 1, "SIGAcc1");
-		QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
-		return QETH_SEND_ERROR_LINK_FAILURE;
-	case 3:
-	default:
-		QETH_DBF_TEXT(TRACE, 1, "SIGAcc3");
-		QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
-		return QETH_SEND_ERROR_KICK_IT;
-	}
+
+	if ((sbalf15 >= 15) && (sbalf15 <= 31))
+		return QETH_SEND_ERROR_RETRY;
+
+	QETH_DBF_TEXT(TRACE, 1, "lnkfail");
+	QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
+	QETH_DBF_TEXT_(TRACE, 1, "%04x %02x",
+		       (u16)qdio_err, (u8)sbalf15);
+	return QETH_SEND_ERROR_LINK_FAILURE;
 }
 
 /*
@@ -2849,10 +2830,14 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
 			qeth_get_micros() -
 			queue->card->perf_stats.outbound_do_qdio_start_time;
 	if (rc) {
+		queue->card->stats.tx_errors += count;
+		/* ignore temporary SIGA errors without busy condition */
+		if (rc == QDIO_ERROR_SIGA_TARGET)
+			return;
 		QETH_DBF_TEXT(TRACE, 2, "flushbuf");
 		QETH_DBF_TEXT_(TRACE, 2, " err%d", rc);
 		QETH_DBF_TEXT_(TRACE, 2, "%s", CARD_DDEV_ID(queue->card));
-		queue->card->stats.tx_errors += count;
+
 		/* this must not happen under normal circumstances. if it
 		 * happens something is really wrong -> recover */
 		qeth_schedule_recovery(queue->card);
@@ -2927,13 +2912,7 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev,
 	}
 	for (i = first_element; i < (first_element + count); ++i) {
 		buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
-		/*we only handle the KICK_IT error by doing a recovery */
-		if (qeth_handle_send_error(card, buffer, qdio_error)
-				== QETH_SEND_ERROR_KICK_IT){
-			netif_stop_queue(card->dev);
-			qeth_schedule_recovery(card);
-			return;
-		}
+		qeth_handle_send_error(card, buffer, qdio_error);
 		qeth_clear_output_buffer(queue, buffer);
 	}
 	atomic_sub(count, &queue->used_buffers);
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
deleted file mode 100644
index 92b0417f8e12..000000000000
--- a/drivers/s390/s390mach.c
+++ /dev/null
@@ -1,538 +0,0 @@
-/*
- *  drivers/s390/s390mach.c
- *   S/390 machine check handler
- *
- *    Copyright IBM Corp. 2000,2008
- *    Author(s): Ingo Adlung (adlung@de.ibm.com)
- *		 Martin Schwidefsky (schwidefsky@de.ibm.com)
- *		 Cornelia Huck <cornelia.huck@de.ibm.com>
- */
-
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <linux/workqueue.h>
-#include <linux/time.h>
-#include <linux/device.h>
-#include <linux/kthread.h>
-#include <asm/etr.h>
-#include <asm/lowcore.h>
-#include <asm/cio.h>
-#include <asm/cpu.h>
-#include "s390mach.h"
-
-static struct semaphore m_sem;
-
-static NORET_TYPE void
-s390_handle_damage(char *msg)
-{
-#ifdef CONFIG_SMP
-	smp_send_stop();
-#endif
-	disabled_wait((unsigned long) __builtin_return_address(0));
-	for(;;);
-}
-
-static crw_handler_t crw_handlers[NR_RSCS];
-
-/**
- * s390_register_crw_handler() - register a channel report word handler
- * @rsc: reporting source code to handle
- * @handler: handler to be registered
- *
- * Returns %0 on success and a negative error value otherwise.
- */
-int s390_register_crw_handler(int rsc, crw_handler_t handler)
-{
-	if ((rsc < 0) || (rsc >= NR_RSCS))
-		return -EINVAL;
-	if (!cmpxchg(&crw_handlers[rsc], NULL, handler))
-		return 0;
-	return -EBUSY;
-}
-
-/**
- * s390_unregister_crw_handler() - unregister a channel report word handler
- * @rsc: reporting source code to handle
- */
-void s390_unregister_crw_handler(int rsc)
-{
-	if ((rsc < 0) || (rsc >= NR_RSCS))
-		return;
-	xchg(&crw_handlers[rsc], NULL);
-	synchronize_sched();
-}
-
-/*
- * Retrieve CRWs and call function to handle event.
- */
-static int s390_collect_crw_info(void *param)
-{
-	struct crw crw[2];
-	int ccode;
-	struct semaphore *sem;
-	unsigned int chain;
-	int ignore;
-
-	sem = (struct semaphore *)param;
-repeat:
-	ignore = down_interruptible(sem);
-	chain = 0;
-	while (1) {
-		if (unlikely(chain > 1)) {
-			struct crw tmp_crw;
-
-			printk(KERN_WARNING"%s: Code does not support more "
-			       "than two chained crws; please report to "
-			       "linux390@de.ibm.com!\n", __func__);
-			ccode = stcrw(&tmp_crw);
-			printk(KERN_WARNING"%s: crw reports slct=%d, oflw=%d, "
-			       "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
-			       __func__, tmp_crw.slct, tmp_crw.oflw,
-			       tmp_crw.chn, tmp_crw.rsc, tmp_crw.anc,
-			       tmp_crw.erc, tmp_crw.rsid);
-			printk(KERN_WARNING"%s: This was crw number %x in the "
-			       "chain\n", __func__, chain);
-			if (ccode != 0)
-				break;
-			chain = tmp_crw.chn ? chain + 1 : 0;
-			continue;
-		}
-		ccode = stcrw(&crw[chain]);
-		if (ccode != 0)
-			break;
-		printk(KERN_DEBUG "crw_info : CRW reports slct=%d, oflw=%d, "
-		       "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
-		       crw[chain].slct, crw[chain].oflw, crw[chain].chn,
-		       crw[chain].rsc, crw[chain].anc, crw[chain].erc,
-		       crw[chain].rsid);
-		/* Check for overflows. */
-		if (crw[chain].oflw) {
-			int i;
-
-			pr_debug("%s: crw overflow detected!\n", __func__);
-			for (i = 0; i < NR_RSCS; i++) {
-				if (crw_handlers[i])
-					crw_handlers[i](NULL, NULL, 1);
-			}
-			chain = 0;
-			continue;
-		}
-		if (crw[0].chn && !chain) {
-			chain++;
-			continue;
-		}
-		if (crw_handlers[crw[chain].rsc])
-			crw_handlers[crw[chain].rsc](&crw[0],
-						     chain ? &crw[1] : NULL,
-						     0);
-		/* chain is always 0 or 1 here. */
-		chain = crw[chain].chn ? chain + 1 : 0;
-	}
-	goto repeat;
-	return 0;
-}
-
-struct mcck_struct {
-	int kill_task;
-	int channel_report;
-	int warning;
-	unsigned long long mcck_code;
-};
-
-static DEFINE_PER_CPU(struct mcck_struct, cpu_mcck);
-
-/*
- * Main machine check handler function. Will be called with interrupts enabled
- * or disabled and machine checks enabled or disabled.
- */
-void
-s390_handle_mcck(void)
-{
-	unsigned long flags;
-	struct mcck_struct mcck;
-
-	/*
-	 * Disable machine checks and get the current state of accumulated
-	 * machine checks. Afterwards delete the old state and enable machine
-	 * checks again.
-	 */
-	local_irq_save(flags);
-	local_mcck_disable();
-	mcck = __get_cpu_var(cpu_mcck);
-	memset(&__get_cpu_var(cpu_mcck), 0, sizeof(struct mcck_struct));
-	clear_thread_flag(TIF_MCCK_PENDING);
-	local_mcck_enable();
-	local_irq_restore(flags);
-
-	if (mcck.channel_report)
-		up(&m_sem);
-
-#ifdef CONFIG_MACHCHK_WARNING
-/*
- * The warning may remain for a prolonged period on the bare iron.
- * (actually till the machine is powered off, or until the problem is gone)
- * So we just stop listening for the WARNING MCH and prevent continuously
- * being interrupted.  One caveat is however, that we must do this per
- * processor and cannot use the smp version of ctl_clear_bit().
- * On VM we only get one interrupt per virtally presented machinecheck.
- * Though one suffices, we may get one interrupt per (virtual) processor.
- */
-	if (mcck.warning) {	/* WARNING pending ? */
-		static int mchchk_wng_posted = 0;
-		/*
-		 * Use single machine clear, as we cannot handle smp right now
-		 */
-		__ctl_clear_bit(14, 24);	/* Disable WARNING MCH */
-		if (xchg(&mchchk_wng_posted, 1) == 0)
-			kill_cad_pid(SIGPWR, 1);
-	}
-#endif
-
-	if (mcck.kill_task) {
-		local_irq_enable();
-		printk(KERN_EMERG "mcck: Terminating task because of machine "
-		       "malfunction (code 0x%016llx).\n", mcck.mcck_code);
-		printk(KERN_EMERG "mcck: task: %s, pid: %d.\n",
-		       current->comm, current->pid);
-		do_exit(SIGSEGV);
-	}
-}
-EXPORT_SYMBOL_GPL(s390_handle_mcck);
-
-/*
- * returns 0 if all registers could be validated
- * returns 1 otherwise
- */
-static int
-s390_revalidate_registers(struct mci *mci)
-{
-	int kill_task;
-	u64 tmpclock;
-	u64 zero;
-	void *fpt_save_area, *fpt_creg_save_area;
-
-	kill_task = 0;
-	zero = 0;
-	/* General purpose registers */
-	if (!mci->gr)
-		/*
-		 * General purpose registers couldn't be restored and have
-		 * unknown contents. Process needs to be terminated.
-		 */
-		kill_task = 1;
-
-	/* Revalidate floating point registers */
-	if (!mci->fp)
-		/*
-		 * Floating point registers can't be restored and
-		 * therefore the process needs to be terminated.
-		 */
-		kill_task = 1;
-
-#ifndef CONFIG_64BIT
-	asm volatile(
-		"	ld	0,0(%0)\n"
-		"	ld	2,8(%0)\n"
-		"	ld	4,16(%0)\n"
-		"	ld	6,24(%0)"
-		: : "a" (&S390_lowcore.floating_pt_save_area));
-#endif
-
-	if (MACHINE_HAS_IEEE) {
-#ifdef CONFIG_64BIT
-		fpt_save_area = &S390_lowcore.floating_pt_save_area;
-		fpt_creg_save_area = &S390_lowcore.fpt_creg_save_area;
-#else
-		fpt_save_area = (void *) S390_lowcore.extended_save_area_addr;
-		fpt_creg_save_area = fpt_save_area+128;
-#endif
-		/* Floating point control register */
-		if (!mci->fc) {
-			/*
-			 * Floating point control register can't be restored.
-			 * Task will be terminated.
-			 */
-			asm volatile("lfpc 0(%0)" : : "a" (&zero), "m" (zero));
-			kill_task = 1;
-
-		} else
-			asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area));
-
-		asm volatile(
-			"	ld	0,0(%0)\n"
-			"	ld	1,8(%0)\n"
-			"	ld	2,16(%0)\n"
-			"	ld	3,24(%0)\n"
-			"	ld	4,32(%0)\n"
-			"	ld	5,40(%0)\n"
-			"	ld	6,48(%0)\n"
-			"	ld	7,56(%0)\n"
-			"	ld	8,64(%0)\n"
-			"	ld	9,72(%0)\n"
-			"	ld	10,80(%0)\n"
-			"	ld	11,88(%0)\n"
-			"	ld	12,96(%0)\n"
-			"	ld	13,104(%0)\n"
-			"	ld	14,112(%0)\n"
-			"	ld	15,120(%0)\n"
-			: : "a" (fpt_save_area));
-	}
-
-	/* Revalidate access registers */
-	asm volatile(
-		"	lam	0,15,0(%0)"
-		: : "a" (&S390_lowcore.access_regs_save_area));
-	if (!mci->ar)
-		/*
-		 * Access registers have unknown contents.
-		 * Terminating task.
-		 */
-		kill_task = 1;
-
-	/* Revalidate control registers */
-	if (!mci->cr)
-		/*
-		 * Control registers have unknown contents.
-		 * Can't recover and therefore stopping machine.
-		 */
-		s390_handle_damage("invalid control registers.");
-	else
-#ifdef CONFIG_64BIT
-		asm volatile(
-			"	lctlg	0,15,0(%0)"
-			: : "a" (&S390_lowcore.cregs_save_area));
-#else
-		asm volatile(
-			"	lctl	0,15,0(%0)"
-			: : "a" (&S390_lowcore.cregs_save_area));
-#endif
-
-	/*
-	 * We don't even try to revalidate the TOD register, since we simply
-	 * can't write something sensible into that register.
-	 */
-
-#ifdef CONFIG_64BIT
-	/*
-	 * See if we can revalidate the TOD programmable register with its
-	 * old contents (should be zero) otherwise set it to zero.
-	 */
-	if (!mci->pr)
-		asm volatile(
-			"	sr	0,0\n"
-			"	sckpf"
-			: : : "0", "cc");
-	else
-		asm volatile(
-			"	l	0,0(%0)\n"
-			"	sckpf"
-			: : "a" (&S390_lowcore.tod_progreg_save_area)
-			: "0", "cc");
-#endif
-
-	/* Revalidate clock comparator register */
-	asm volatile(
-		"	stck	0(%1)\n"
-		"	sckc	0(%1)"
-		: "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory");
-
-	/* Check if old PSW is valid */
-	if (!mci->wp)
-		/*
-		 * Can't tell if we come from user or kernel mode
-		 * -> stopping machine.
-		 */
-		s390_handle_damage("old psw invalid.");
-
-	if (!mci->ms || !mci->pm || !mci->ia)
-		kill_task = 1;
-
-	return kill_task;
-}
-
-#define MAX_IPD_COUNT	29
-#define MAX_IPD_TIME	(5 * 60 * USEC_PER_SEC) /* 5 minutes */
-
-/*
- * machine check handler.
- */
-void
-s390_do_machine_check(struct pt_regs *regs)
-{
-	static DEFINE_SPINLOCK(ipd_lock);
-	static unsigned long long last_ipd;
-	static int ipd_count;
-	unsigned long long tmp;
-	struct mci *mci;
-	struct mcck_struct *mcck;
-	int umode;
-
-	lockdep_off();
-
-	s390_idle_check();
-
-	mci = (struct mci *) &S390_lowcore.mcck_interruption_code;
-	mcck = &__get_cpu_var(cpu_mcck);
-	umode = user_mode(regs);
-
-	if (mci->sd)
-		/* System damage -> stopping machine */
-		s390_handle_damage("received system damage machine check.");
-
-	if (mci->pd) {
-		if (mci->b) {
-			/* Processing backup -> verify if we can survive this */
-			u64 z_mcic, o_mcic, t_mcic;
-#ifdef CONFIG_64BIT
-			z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<29);
-			o_mcic = (1ULL<<43 | 1ULL<<42 | 1ULL<<41 | 1ULL<<40 |
-				  1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 |
-				  1ULL<<30 | 1ULL<<21 | 1ULL<<20 | 1ULL<<17 |
-				  1ULL<<16);
-#else
-			z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<57 | 1ULL<<50 |
-				  1ULL<<29);
-			o_mcic = (1ULL<<43 | 1ULL<<42 | 1ULL<<41 | 1ULL<<40 |
-				  1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 |
-				  1ULL<<30 | 1ULL<<20 | 1ULL<<17 | 1ULL<<16);
-#endif
-			t_mcic = *(u64 *)mci;
-
-			if (((t_mcic & z_mcic) != 0) ||
-			    ((t_mcic & o_mcic) != o_mcic)) {
-				s390_handle_damage("processing backup machine "
-						   "check with damage.");
-			}
-
-			/*
-			 * Nullifying exigent condition, therefore we might
-			 * retry this instruction.
-			 */
-
-			spin_lock(&ipd_lock);
-
-			tmp = get_clock();
-
-			if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME)
-				ipd_count++;
-			else
-				ipd_count = 1;
-
-			last_ipd = tmp;
-
-			if (ipd_count == MAX_IPD_COUNT)
-				s390_handle_damage("too many ipd retries.");
-
-			spin_unlock(&ipd_lock);
-		}
-		else {
-			/* Processing damage -> stopping machine */
-			s390_handle_damage("received instruction processing "
-					   "damage machine check.");
-		}
-	}
-	if (s390_revalidate_registers(mci)) {
-		if (umode) {
-			/*
-			 * Couldn't restore all register contents while in
-			 * user mode -> mark task for termination.
-			 */
-			mcck->kill_task = 1;
-			mcck->mcck_code = *(unsigned long long *) mci;
-			set_thread_flag(TIF_MCCK_PENDING);
-		}
-		else
-			/*
-			 * Couldn't restore all register contents while in
-			 * kernel mode -> stopping machine.
-			 */
-			s390_handle_damage("unable to revalidate registers.");
-	}
-
-	if (mci->cd) {
-		/* Timing facility damage */
-		s390_handle_damage("TOD clock damaged");
-	}
-
-	if (mci->ed && mci->ec) {
-		/* External damage */
-		if (S390_lowcore.external_damage_code & (1U << ED_ETR_SYNC))
-			etr_sync_check();
-		if (S390_lowcore.external_damage_code & (1U << ED_ETR_SWITCH))
-			etr_switch_to_local();
-		if (S390_lowcore.external_damage_code & (1U << ED_STP_SYNC))
-			stp_sync_check();
-		if (S390_lowcore.external_damage_code & (1U << ED_STP_ISLAND))
-			stp_island_check();
-	}
-
-	if (mci->se)
-		/* Storage error uncorrected */
-		s390_handle_damage("received storage error uncorrected "
-				   "machine check.");
-
-	if (mci->ke)
-		/* Storage key-error uncorrected */
-		s390_handle_damage("received storage key-error uncorrected "
-				   "machine check.");
-
-	if (mci->ds && mci->fa)
-		/* Storage degradation */
-		s390_handle_damage("received storage degradation machine "
-				   "check.");
-
-	if (mci->cp) {
-		/* Channel report word pending */
-		mcck->channel_report = 1;
-		set_thread_flag(TIF_MCCK_PENDING);
-	}
-
-	if (mci->w) {
-		/* Warning pending */
-		mcck->warning = 1;
-		set_thread_flag(TIF_MCCK_PENDING);
-	}
-	lockdep_on();
-}
-
-/*
- * s390_init_machine_check
- *
- * initialize machine check handling
- */
-static int
-machine_check_init(void)
-{
-	init_MUTEX_LOCKED(&m_sem);
-	ctl_set_bit(14, 25);	/* enable external damage MCH */
-	ctl_set_bit(14, 27);    /* enable system recovery MCH */
-#ifdef CONFIG_MACHCHK_WARNING
-	ctl_set_bit(14, 24);	/* enable warning MCH */
-#endif
-	return 0;
-}
-
-/*
- * Initialize the machine check handler really early to be able to
- * catch all machine checks that happen during boot
- */
-arch_initcall(machine_check_init);
-
-/*
- * Machine checks for the channel subsystem must be enabled
- * after the channel subsystem is initialized
- */
-static int __init
-machine_check_crw_init (void)
-{
-	struct task_struct *task;
-
-	task = kthread_run(s390_collect_crw_info, &m_sem, "kmcheck");
-	if (IS_ERR(task))
-		return PTR_ERR(task);
-	ctl_set_bit(14, 28);	/* enable channel report MCH */
-	return 0;
-}
-
-device_initcall (machine_check_crw_init);
diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h
deleted file mode 100644
index d39f8b697d27..000000000000
--- a/drivers/s390/s390mach.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- *  drivers/s390/s390mach.h
- *   S/390 data definitions for machine check processing
- *
- *  S390 version
- *    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Author(s): Ingo Adlung (adlung@de.ibm.com)
- */
-
-#ifndef __s390mach_h
-#define __s390mach_h
-
-#include <asm/types.h>
-
-struct mci {
-	__u32   sd              :  1; /* 00 system damage */
-	__u32   pd              :  1; /* 01 instruction-processing damage */
-	__u32   sr              :  1; /* 02 system recovery */
-	__u32   to_be_defined_1 :  1; /* 03 */
-	__u32   cd              :  1; /* 04 timing-facility damage */
-	__u32   ed              :  1; /* 05 external damage */
-	__u32   to_be_defined_2 :  1; /* 06 */
-	__u32   dg              :  1; /* 07 degradation */
-	__u32   w               :  1; /* 08 warning pending */
-	__u32   cp              :  1; /* 09 channel-report pending */
-	__u32   sp              :  1; /* 10 service-processor damage */
-	__u32   ck              :  1; /* 11 channel-subsystem damage */
-	__u32   to_be_defined_3 :  2; /* 12-13 */
-	__u32   b               :  1; /* 14 backed up */
-	__u32   to_be_defined_4 :  1; /* 15 */
-	__u32   se              :  1; /* 16 storage error uncorrected */
-	__u32   sc              :  1; /* 17 storage error corrected */
-	__u32   ke              :  1; /* 18 storage-key error uncorrected */
-	__u32   ds              :  1; /* 19 storage degradation */
-	__u32   wp              :  1; /* 20 psw mwp validity */
-	__u32   ms              :  1; /* 21 psw mask and key validity */
-	__u32   pm              :  1; /* 22 psw program mask and cc validity */
-	__u32   ia              :  1; /* 23 psw instruction address validity */
-	__u32   fa              :  1; /* 24 failing storage address validity */
-	__u32   to_be_defined_5 :  1; /* 25 */
-	__u32   ec              :  1; /* 26 external damage code validity */
-	__u32   fp              :  1; /* 27 floating point register validity */
-	__u32   gr              :  1; /* 28 general register validity */
-	__u32   cr              :  1; /* 29 control register validity */
-	__u32   to_be_defined_6 :  1; /* 30 */
-	__u32   st              :  1; /* 31 storage logical validity */
-	__u32   ie              :  1; /* 32 indirect storage error */
-	__u32   ar              :  1; /* 33 access register validity */
-	__u32   da              :  1; /* 34 delayed access exception */
-	__u32   to_be_defined_7 :  7; /* 35-41 */
-	__u32   pr              :  1; /* 42 tod programmable register validity */
-	__u32   fc              :  1; /* 43 fp control register validity */
-	__u32   ap              :  1; /* 44 ancillary report */
-	__u32   to_be_defined_8 :  1; /* 45 */
-	__u32   ct              :  1; /* 46 cpu timer validity */
-	__u32   cc              :  1; /* 47 clock comparator validity */
-	__u32	to_be_defined_9 : 16; /* 47-63 */
-};
-
-/*
- * Channel Report Word
- */
-struct crw {
-	__u32 res1    :  1;   /* reserved zero */
-	__u32 slct    :  1;   /* solicited */
-	__u32 oflw    :  1;   /* overflow */
-	__u32 chn     :  1;   /* chained */
-	__u32 rsc     :  4;   /* reporting source code */
-	__u32 anc     :  1;   /* ancillary report */
-	__u32 res2    :  1;   /* reserved zero */
-	__u32 erc     :  6;   /* error-recovery code */
-	__u32 rsid    : 16;   /* reporting-source ID */
-} __attribute__ ((packed));
-
-typedef void (*crw_handler_t)(struct crw *, struct crw *, int);
-
-extern int s390_register_crw_handler(int rsc, crw_handler_t handler);
-extern void s390_unregister_crw_handler(int rsc);
-
-#define NR_RSCS 16
-
-#define CRW_RSC_MONITOR  0x2  /* monitoring facility */
-#define CRW_RSC_SCH      0x3  /* subchannel */
-#define CRW_RSC_CPATH    0x4  /* channel path */
-#define CRW_RSC_CONFIG   0x9  /* configuration-alert facility */
-#define CRW_RSC_CSS      0xB  /* channel subsystem */
-
-#define CRW_ERC_EVENT    0x00 /* event information pending */
-#define CRW_ERC_AVAIL    0x01 /* available */
-#define CRW_ERC_INIT     0x02 /* initialized */
-#define CRW_ERC_TERROR   0x03 /* temporary error */
-#define CRW_ERC_IPARM    0x04 /* installed parm initialized */
-#define CRW_ERC_TERM     0x05 /* terminal */
-#define CRW_ERC_PERRN    0x06 /* perm. error, fac. not init */
-#define CRW_ERC_PERRI    0x07 /* perm. error, facility init */
-#define CRW_ERC_PMOD     0x08 /* installed parameters modified */
-
-static inline int stcrw(struct crw *pcrw )
-{
-	int ccode;
-
-	__asm__ __volatile__(
-		"stcrw 0(%2)\n\t"
-		"ipm %0\n\t"
-		"srl %0,28\n\t"
-		: "=d" (ccode), "=m" (*pcrw)
-		: "a" (pcrw)
-		: "cc" );
-	return ccode;
-}
-
-#define ED_ETR_SYNC	12	/* External damage ETR sync check */
-#define ED_ETR_SWITCH	13	/* External damage ETR switch to local */
-
-#define ED_STP_SYNC	7	/* External damage STP sync check */
-#define ED_STP_ISLAND	6	/* External damage STP island check */
-
-struct pt_regs;
-
-void s390_handle_mcck(void);
-void s390_do_machine_check(struct pt_regs *regs);
-#endif /* __s390mach */
diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c
deleted file mode 100644
index 0eea90781385..000000000000
--- a/drivers/s390/sysinfo.c
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
- *  drivers/s390/sysinfo.c
- *
- *  Copyright IBM Corp. 2001, 2008
- *  Author(s): Ulrich Weigand (Ulrich.Weigand@de.ibm.com)
- *	       Martin Schwidefsky <schwidefsky@de.ibm.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <asm/ebcdic.h>
-#include <asm/sysinfo.h>
-#include <asm/cpcmd.h>
-
-/* Sigh, math-emu. Don't ask. */
-#include <asm/sfp-util.h>
-#include <math-emu/soft-fp.h>
-#include <math-emu/single.h>
-
-static inline int stsi_0(void)
-{
-	int rc = stsi (NULL, 0, 0, 0);
-	return rc == -ENOSYS ? rc : (((unsigned int) rc) >> 28);
-}
-
-static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
-{
-	if (stsi(info, 1, 1, 1) == -ENOSYS)
-		return len;
-
-	EBCASC(info->manufacturer, sizeof(info->manufacturer));
-	EBCASC(info->type, sizeof(info->type));
-	EBCASC(info->model, sizeof(info->model));
-	EBCASC(info->sequence, sizeof(info->sequence));
-	EBCASC(info->plant, sizeof(info->plant));
-	EBCASC(info->model_capacity, sizeof(info->model_capacity));
-	EBCASC(info->model_perm_cap, sizeof(info->model_perm_cap));
-	EBCASC(info->model_temp_cap, sizeof(info->model_temp_cap));
-	len += sprintf(page + len, "Manufacturer:         %-16.16s\n",
-		       info->manufacturer);
-	len += sprintf(page + len, "Type:                 %-4.4s\n",
-		       info->type);
-	if (info->model[0] != '\0')
-		/*
-		 * Sigh: the model field has been renamed with System z9
-		 * to model_capacity and a new model field has been added
-		 * after the plant field. To avoid confusing older programs
-		 * the "Model:" prints "model_capacity model" or just
-		 * "model_capacity" if the model string is empty .
-		 */
-		len += sprintf(page + len,
-			       "Model:                %-16.16s %-16.16s\n",
-			       info->model_capacity, info->model);
-	else
-		len += sprintf(page + len, "Model:                %-16.16s\n",
-			       info->model_capacity);
-	len += sprintf(page + len, "Sequence Code:        %-16.16s\n",
-		       info->sequence);
-	len += sprintf(page + len, "Plant:                %-4.4s\n",
-		       info->plant);
-	len += sprintf(page + len, "Model Capacity:       %-16.16s %08u\n",
-		       info->model_capacity, *(u32 *) info->model_cap_rating);
-	if (info->model_perm_cap[0] != '\0')
-		len += sprintf(page + len,
-			       "Model Perm. Capacity: %-16.16s %08u\n",
-			       info->model_perm_cap,
-			       *(u32 *) info->model_perm_cap_rating);
-	if (info->model_temp_cap[0] != '\0')
-		len += sprintf(page + len,
-			       "Model Temp. Capacity: %-16.16s %08u\n",
-			       info->model_temp_cap,
-			       *(u32 *) info->model_temp_cap_rating);
-	return len;
-}
-
-#if 0 /* Currently unused */
-static int stsi_1_2_1(struct sysinfo_1_2_1 *info, char *page, int len)
-{
-	if (stsi(info, 1, 2, 1) == -ENOSYS)
-		return len;
-
-	len += sprintf(page + len, "\n");
-	EBCASC(info->sequence, sizeof(info->sequence));
-	EBCASC(info->plant, sizeof(info->plant));
-	len += sprintf(page + len, "Sequence Code of CPU: %-16.16s\n",
-		       info->sequence);
-	len += sprintf(page + len, "Plant of CPU:         %-16.16s\n",
-		       info->plant);
-	return len;
-}
-#endif
-
-static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len)
-{
-	struct sysinfo_1_2_2_extension *ext;
-	int i;
-
-	if (stsi(info, 1, 2, 2) == -ENOSYS)
-		return len;
-	ext = (struct sysinfo_1_2_2_extension *)
-		((unsigned long) info + info->acc_offset);
-
-	len += sprintf(page + len, "\n");
-	len += sprintf(page + len, "CPUs Total:           %d\n",
-		       info->cpus_total);
-	len += sprintf(page + len, "CPUs Configured:      %d\n",
-		       info->cpus_configured);
-	len += sprintf(page + len, "CPUs Standby:         %d\n",
-		       info->cpus_standby);
-	len += sprintf(page + len, "CPUs Reserved:        %d\n",
-		       info->cpus_reserved);
-
-	if (info->format == 1) {
-		/*
-		 * Sigh 2. According to the specification the alternate
-		 * capability field is a 32 bit floating point number
-		 * if the higher order 8 bits are not zero. Printing
-		 * a floating point number in the kernel is a no-no,
-		 * always print the number as 32 bit unsigned integer.
-		 * The user-space needs to know about the strange
-		 * encoding of the alternate cpu capability.
-		 */
-		len += sprintf(page + len, "Capability:           %u %u\n",
-			       info->capability, ext->alt_capability);
-		for (i = 2; i <= info->cpus_total; i++)
-			len += sprintf(page + len,
-				       "Adjustment %02d-way:    %u %u\n",
-				       i, info->adjustment[i-2],
-				       ext->alt_adjustment[i-2]);
-
-	} else {
-		len += sprintf(page + len, "Capability:           %u\n",
-			       info->capability);
-		for (i = 2; i <= info->cpus_total; i++)
-			len += sprintf(page + len,
-				       "Adjustment %02d-way:    %u\n",
-				       i, info->adjustment[i-2]);
-	}
-
-	if (info->secondary_capability != 0)
-		len += sprintf(page + len, "Secondary Capability: %d\n",
-			       info->secondary_capability);
-
-	return len;
-}
-
-#if 0 /* Currently unused */
-static int stsi_2_2_1(struct sysinfo_2_2_1 *info, char *page, int len)
-{
-	if (stsi(info, 2, 2, 1) == -ENOSYS)
-		return len;
-
-	len += sprintf(page + len, "\n");
-	EBCASC (info->sequence, sizeof(info->sequence));
-	EBCASC (info->plant, sizeof(info->plant));
-	len += sprintf(page + len, "Sequence Code of logical CPU: %-16.16s\n",
-		       info->sequence);
-	len += sprintf(page + len, "Plant of logical CPU: %-16.16s\n",
-		       info->plant);
-	return len;
-}
-#endif
-
-static int stsi_2_2_2(struct sysinfo_2_2_2 *info, char *page, int len)
-{
-	if (stsi(info, 2, 2, 2) == -ENOSYS)
-		return len;
-
-	EBCASC (info->name, sizeof(info->name));
-
-	len += sprintf(page + len, "\n");
-	len += sprintf(page + len, "LPAR Number:          %d\n",
-		       info->lpar_number);
-
-	len += sprintf(page + len, "LPAR Characteristics: ");
-	if (info->characteristics & LPAR_CHAR_DEDICATED)
-		len += sprintf(page + len, "Dedicated ");
-	if (info->characteristics & LPAR_CHAR_SHARED)
-		len += sprintf(page + len, "Shared ");
-	if (info->characteristics & LPAR_CHAR_LIMITED)
-		len += sprintf(page + len, "Limited ");
-	len += sprintf(page + len, "\n");
-
-	len += sprintf(page + len, "LPAR Name:            %-8.8s\n",
-		       info->name);
-
-	len += sprintf(page + len, "LPAR Adjustment:      %d\n",
-		       info->caf);
-
-	len += sprintf(page + len, "LPAR CPUs Total:      %d\n",
-		       info->cpus_total);
-	len += sprintf(page + len, "LPAR CPUs Configured: %d\n",
-		       info->cpus_configured);
-	len += sprintf(page + len, "LPAR CPUs Standby:    %d\n",
-		       info->cpus_standby);
-	len += sprintf(page + len, "LPAR CPUs Reserved:   %d\n",
-		       info->cpus_reserved);
-	len += sprintf(page + len, "LPAR CPUs Dedicated:  %d\n",
-		       info->cpus_dedicated);
-	len += sprintf(page + len, "LPAR CPUs Shared:     %d\n",
-		       info->cpus_shared);
-	return len;
-}
-
-static int stsi_3_2_2(struct sysinfo_3_2_2 *info, char *page, int len)
-{
-	int i;
-
-	if (stsi(info, 3, 2, 2) == -ENOSYS)
-		return len;
-	for (i = 0; i < info->count; i++) {
-		EBCASC (info->vm[i].name, sizeof(info->vm[i].name));
-		EBCASC (info->vm[i].cpi, sizeof(info->vm[i].cpi));
-		len += sprintf(page + len, "\n");
-		len += sprintf(page + len, "VM%02d Name:            %-8.8s\n",
-			       i, info->vm[i].name);
-		len += sprintf(page + len, "VM%02d Control Program: %-16.16s\n",
-			       i, info->vm[i].cpi);
-
-		len += sprintf(page + len, "VM%02d Adjustment:      %d\n",
-			       i, info->vm[i].caf);
-
-		len += sprintf(page + len, "VM%02d CPUs Total:      %d\n",
-			       i, info->vm[i].cpus_total);
-		len += sprintf(page + len, "VM%02d CPUs Configured: %d\n",
-			       i, info->vm[i].cpus_configured);
-		len += sprintf(page + len, "VM%02d CPUs Standby:    %d\n",
-			       i, info->vm[i].cpus_standby);
-		len += sprintf(page + len, "VM%02d CPUs Reserved:   %d\n",
-			       i, info->vm[i].cpus_reserved);
-	}
-	return len;
-}
-
-
-static int proc_read_sysinfo(char *page, char **start,
-                             off_t off, int count,
-                             int *eof, void *data)
-{
-	unsigned long info = get_zeroed_page (GFP_KERNEL);
-	int level, len;
-	
-	if (!info)
-		return 0;
-
-	len = 0;
-	level = stsi_0();
-	if (level >= 1)
-		len = stsi_1_1_1((struct sysinfo_1_1_1 *) info, page, len);
-
-	if (level >= 1)
-		len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len);
-
-	if (level >= 2)
-		len = stsi_2_2_2((struct sysinfo_2_2_2 *) info, page, len);
-
-	if (level >= 3)
-		len = stsi_3_2_2((struct sysinfo_3_2_2 *) info, page, len);
-
-	free_page (info);
-        return len;
-}
-
-static __init int create_proc_sysinfo(void)
-{
-	create_proc_read_entry("sysinfo", 0444, NULL,
-			       proc_read_sysinfo, NULL);
-	return 0;
-}
-
-__initcall(create_proc_sysinfo);
-
-/*
- * Service levels interface.
- */
-
-static DECLARE_RWSEM(service_level_sem);
-static LIST_HEAD(service_level_list);
-
-int register_service_level(struct service_level *slr)
-{
-	struct service_level *ptr;
-
-	down_write(&service_level_sem);
-	list_for_each_entry(ptr, &service_level_list, list)
-		if (ptr == slr) {
-			up_write(&service_level_sem);
-			return -EEXIST;
-		}
-	list_add_tail(&slr->list, &service_level_list);
-	up_write(&service_level_sem);
-	return 0;
-}
-EXPORT_SYMBOL(register_service_level);
-
-int unregister_service_level(struct service_level *slr)
-{
-	struct service_level *ptr, *next;
-	int rc = -ENOENT;
-
-	down_write(&service_level_sem);
-	list_for_each_entry_safe(ptr, next, &service_level_list, list) {
-		if (ptr != slr)
-			continue;
-		list_del(&ptr->list);
-		rc = 0;
-		break;
-	}
-	up_write(&service_level_sem);
-	return rc;
-}
-EXPORT_SYMBOL(unregister_service_level);
-
-static void *service_level_start(struct seq_file *m, loff_t *pos)
-{
-	down_read(&service_level_sem);
-	return seq_list_start(&service_level_list, *pos);
-}
-
-static void *service_level_next(struct seq_file *m, void *p, loff_t *pos)
-{
-	return seq_list_next(p, &service_level_list, pos);
-}
-
-static void service_level_stop(struct seq_file *m, void *p)
-{
-	up_read(&service_level_sem);
-}
-
-static int service_level_show(struct seq_file *m, void *p)
-{
-	struct service_level *slr;
-
-	slr = list_entry(p, struct service_level, list);
-	slr->seq_print(m, slr);
-	return 0;
-}
-
-static const struct seq_operations service_level_seq_ops = {
-	.start		= service_level_start,
-	.next		= service_level_next,
-	.stop		= service_level_stop,
-	.show		= service_level_show
-};
-
-static int service_level_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &service_level_seq_ops);
-}
-
-static const struct file_operations service_level_ops = {
-	.open		= service_level_open,
-	.read		= seq_read,
-	.llseek 	= seq_lseek,
-	.release	= seq_release
-};
-
-static void service_level_vm_print(struct seq_file *m,
-				   struct service_level *slr)
-{
-	char *query_buffer, *str;
-
-	query_buffer = kmalloc(1024, GFP_KERNEL | GFP_DMA);
-	if (!query_buffer)
-		return;
-	cpcmd("QUERY CPLEVEL", query_buffer, 1024, NULL);
-	str = strchr(query_buffer, '\n');
-	if (str)
-		*str = 0;
-	seq_printf(m, "VM: %s\n", query_buffer);
-	kfree(query_buffer);
-}
-
-static struct service_level service_level_vm = {
-	.seq_print = service_level_vm_print
-};
-
-static __init int create_proc_service_level(void)
-{
-	proc_create("service_levels", 0, NULL, &service_level_ops);
-	if (MACHINE_IS_VM)
-		register_service_level(&service_level_vm);
-	return 0;
-}
-
-subsys_initcall(create_proc_service_level);
-
-/*
- * Bogomips calculation based on cpu capability.
- */
-
-int get_cpu_capability(unsigned int *capability)
-{
-	struct sysinfo_1_2_2 *info;
-	int rc;
-
-	info = (void *) get_zeroed_page(GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-	rc = stsi(info, 1, 2, 2);
-	if (rc == -ENOSYS)
-		goto out;
-	rc = 0;
-	*capability = info->capability;
-out:
-	free_page((unsigned long) info);
-	return rc;
-}
-
-/*
- * CPU capability might have changed. Therefore recalculate loops_per_jiffy.
- */
-void s390_adjust_jiffies(void)
-{
-	struct sysinfo_1_2_2 *info;
-	const unsigned int fmil = 0x4b189680;	/* 1e7 as 32-bit float. */
-	FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR);
-	FP_DECL_EX;
-	unsigned int capability;
-
-	info = (void *) get_zeroed_page(GFP_KERNEL);
-	if (!info)
-		return;
-
-	if (stsi(info, 1, 2, 2) != -ENOSYS) {
-		/*
-		 * Major sigh. The cpu capability encoding is "special".
-		 * If the first 9 bits of info->capability are 0 then it
-		 * is a 32 bit unsigned integer in the range 0 .. 2^23.
-		 * If the first 9 bits are != 0 then it is a 32 bit float.
-		 * In addition a lower value indicates a proportionally
-		 * higher cpu capacity. Bogomips are the other way round.
-		 * To get to a halfway suitable number we divide 1e7
-		 * by the cpu capability number. Yes, that means a floating
-		 * point division .. math-emu here we come :-)
-		 */
-		FP_UNPACK_SP(SA, &fmil);
-		if ((info->capability >> 23) == 0)
-			FP_FROM_INT_S(SB, info->capability, 32, int);
-		else
-			FP_UNPACK_SP(SB, &info->capability);
-		FP_DIV_S(SR, SA, SB);
-		FP_TO_INT_S(capability, SR, 32, 0);
-	} else
-		/*
-		 * Really old machine without stsi block for basic
-		 * cpu information. Report 42.0 bogomips.
-		 */
-		capability = 42;
-	loops_per_jiffy = capability * (500000/HZ);
-	free_page((unsigned long) info);
-}
-
-/*
- * calibrate the delay loop
- */
-void __cpuinit calibrate_delay(void)
-{
-	s390_adjust_jiffies();
-	/* Print the good old Bogomips line .. */
-	printk(KERN_DEBUG "Calibrating delay loop (skipped)... "
-	       "%lu.%02lu BogoMIPS preset\n", loops_per_jiffy/(500000/HZ),
-	       (loops_per_jiffy/(5000/HZ)) % 100);
-}