Merge /spare/repo/linux-2.6/

47 files changed, 1145 insertions, 500 deletions

diff --git a/drivers/s390/Kconfig b/drivers/s390/Kconfig
index 96413c2cd1a..a86a650f3d6 100644
--- a/drivers/s390/Kconfig
+++ b/drivers/s390/Kconfig
@@ -187,6 +187,13 @@ config VMLOGRDR
 	  *SYMPTOM.
 	  This driver depends on the IUCV support driver.
 
+config VMCP
+	tristate "Support for the z/VM CP interface (VM only)"
+	help
+	  Select this option if you want to be able to interact with the control
+	  program on z/VM
+
+
 config MONREADER
 	tristate "API for reading z/VM monitor service records"
 	depends on IUCV
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index ceeb3cf64a1..d5f53980749 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -7,7 +7,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001
  *
- * $Revision: 1.164 $
+ * $Revision: 1.165 $
  */
 
 #include <linux/config.h>
@@ -176,7 +176,7 @@ 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(device->cdev->dev.bus_id, 0, 2,
+	device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 2,
 					    8 * sizeof (long));
 	debug_register_view(device->debug_area, &debug_sprintf_view);
 	debug_set_level(device->debug_area, DBF_EMERG);
@@ -1740,6 +1740,10 @@ dasd_exit(void)
 	dasd_proc_exit();
 #endif
 	dasd_ioctl_exit();
+        if (dasd_page_cache != NULL) {
+		kmem_cache_destroy(dasd_page_cache);
+		dasd_page_cache = NULL;
+	}
 	dasd_gendisk_exit();
 	dasd_devmap_exit();
 	devfs_remove("dasd");
@@ -1952,26 +1956,24 @@ dasd_generic_notify(struct ccw_device *cdev, int event)
  * Automatically online either all dasd devices (dasd_autodetect) or
  * all devices specified with dasd= parameters.
  */
+static int
+__dasd_auto_online(struct device *dev, void *data)
+{
+	struct ccw_device *cdev;
+
+	cdev = to_ccwdev(dev);
+	if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0)
+		ccw_device_set_online(cdev);
+	return 0;
+}
+
 void
 dasd_generic_auto_online (struct ccw_driver *dasd_discipline_driver)
 {
 	struct device_driver *drv;
-	struct device *d, *dev;
-	struct ccw_device *cdev;
 
 	drv = get_driver(&dasd_discipline_driver->driver);
-	down_read(&drv->bus->subsys.rwsem);
-	dev = NULL;
-	list_for_each_entry(d, &drv->devices, driver_list) {
-		dev = get_device(d);
-		if (!dev)
-			continue;
-		cdev = to_ccwdev(dev);
-		if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0)
-			ccw_device_set_online(cdev);
-		put_device(dev);
-	}
-	up_read(&drv->bus->subsys.rwsem);
+	driver_for_each_device(drv, NULL, NULL, __dasd_auto_online);
 	put_driver(drv);
 }
 
@@ -1983,7 +1985,7 @@ dasd_init(void)
 	init_waitqueue_head(&dasd_init_waitq);
 
 	/* register 'common' DASD debug area, used for all DBF_XXX calls */
-	dasd_debug_area = debug_register("dasd", 0, 2, 8 * sizeof (long));
+	dasd_debug_area = debug_register("dasd", 1, 2, 8 * sizeof (long));
 	if (dasd_debug_area == NULL) {
 		rc = -ENOMEM;
 		goto failed;
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 7963ae343ee..28cb4613b7f 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -4,7 +4,7 @@
  * Bugreports.to..: <Linux390@de.ibm.com>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
  *
- * $Revision: 1.39 $
+ * $Revision: 1.40 $
  */
 
 #include <linux/config.h>
@@ -354,6 +354,8 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req)
 	}
 	cqr->device = device;
 	cqr->expires = 5 * 60 * HZ;	/* 5 minutes */
+	cqr->retries = 32;
+	cqr->buildclk = get_clock();
 	cqr->status = DASD_CQR_FILLED;
 	return cqr;
 }
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index d7f19745911..43c34f8c5e6 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -9,13 +9,14 @@
  *
  * /proc interface for the dasd driver.
  *
- * $Revision: 1.31 $
+ * $Revision: 1.32 $
  */
 
 #include <linux/config.h>
 #include <linux/ctype.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
+#include <linux/proc_fs.h>
 
 #include <asm/debug.h>
 #include <asm/uaccess.h>
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 16ab8d363ac..4fde4118899 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -35,14 +35,17 @@
 static int dcssblk_open(struct inode *inode, struct file *filp);
 static int dcssblk_release(struct inode *inode, struct file *filp);
 static int dcssblk_make_request(struct request_queue *q, struct bio *bio);
+static int dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
+				 unsigned long *data);
 
 static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
 
 static int dcssblk_major;
 static struct block_device_operations dcssblk_devops = {
-	.owner   = THIS_MODULE,
-	.open    = dcssblk_open,
-	.release = dcssblk_release,
+	.owner   	= THIS_MODULE,
+	.open    	= dcssblk_open,
+	.release 	= dcssblk_release,
+	.direct_access 	= dcssblk_direct_access,
 };
 
 static ssize_t dcssblk_add_store(struct device * dev, struct device_attribute *attr, const char * buf,
@@ -641,6 +644,20 @@ dcssblk_make_request(request_queue_t *q, struct bio *bio)
 		/* Request beyond end of DCSS segment. */
 		goto fail;
 	}
+	/* verify data transfer direction */
+	if (dev_info->is_shared) {
+		switch (dev_info->segment_type) {
+		case SEG_TYPE_SR:
+		case SEG_TYPE_ER:
+		case SEG_TYPE_SC:
+			/* cannot write to these segments */
+			if (bio_data_dir(bio) == WRITE) {
+				PRINT_WARN("rejecting write to ro segment %s\n", dev_info->dev.bus_id);
+				goto fail;
+			}
+		}
+	}
+
 	index = (bio->bi_sector >> 3);
 	bio_for_each_segment(bvec, bio, i) {
 		page_addr = (unsigned long)
@@ -661,7 +678,26 @@ dcssblk_make_request(request_queue_t *q, struct bio *bio)
 	bio_endio(bio, bytes_done, 0);
 	return 0;
 fail:
-	bio_io_error(bio, bytes_done);
+	bio_io_error(bio, bio->bi_size);
+	return 0;
+}
+
+static int
+dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
+			unsigned long *data)
+{
+	struct dcssblk_dev_info *dev_info;
+	unsigned long pgoff;
+
+	dev_info = bdev->bd_disk->private_data;
+	if (!dev_info)
+		return -ENODEV;
+	if (secnum % (PAGE_SIZE/512))
+		return -EINVAL;
+	pgoff = secnum / (PAGE_SIZE / 512);
+	if ((pgoff+1)*PAGE_SIZE-1 > dev_info->end - dev_info->start)
+		return -ERANGE;
+	*data = (unsigned long) (dev_info->start+pgoff*PAGE_SIZE);
 	return 0;
 }
 
@@ -682,7 +718,7 @@ dcssblk_check_params(void)
 			buf[j-i] = dcssblk_segments[j];
 		}
 		buf[j-i] = '\0';
-		rc = dcssblk_add_store(dcssblk_root_dev, buf, j-i);
+		rc = dcssblk_add_store(dcssblk_root_dev, NULL, buf, j-i);
 		if ((rc >= 0) && (dcssblk_segments[j] == '(')) {
 			for (k = 0; buf[k] != '\0'; k++)
 				buf[k] = toupper(buf[k]);
@@ -692,7 +728,7 @@ dcssblk_check_params(void)
 				up_read(&dcssblk_devices_sem);
 				if (dev_info)
 					dcssblk_shared_store(&dev_info->dev,
-							     "0\n", 2);
+							     NULL, "0\n", 2);
 			}
 		}
 		while ((dcssblk_segments[j] != ',') &&
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index 14e8cce9f86..6377a96735d 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_SCLP_CPI) += sclp_cpi.o
 
 obj-$(CONFIG_ZVM_WATCHDOG) += vmwatchdog.o
 obj-$(CONFIG_VMLOGRDR) += vmlogrdr.o
+obj-$(CONFIG_VMCP) += vmcp.o
 
 tape-$(CONFIG_S390_TAPE_BLOCK) += tape_block.o
 tape-$(CONFIG_PROC_FS) += tape_proc.o
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 022f17bff73..f11a67fda40 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -860,8 +860,8 @@ con3215_init(void)
 
 	/* Set the console mode for VM */
 	if (MACHINE_IS_VM) {
-		cpcmd("TERM CONMODE 3215", NULL, 0);
-		cpcmd("TERM AUTOCR OFF", NULL, 0);
+		cpcmd("TERM CONMODE 3215", NULL, 0, NULL);
+		cpcmd("TERM AUTOCR OFF", NULL, 0, NULL);
 	}
 
 	/* allocate 3215 request structures */
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index d52fb57a6b1..fc7a213e591 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -591,8 +591,8 @@ con3270_init(void)
 
 	/* Set the console mode for VM */
 	if (MACHINE_IS_VM) {
-		cpcmd("TERM CONMODE 3270", 0, 0);
-		cpcmd("TERM AUTOCR OFF", 0, 0);
+		cpcmd("TERM CONMODE 3270", NULL, 0, NULL);
+		cpcmd("TERM AUTOCR OFF", NULL, 0, NULL);
 	}
 
 	cdev = ccw_device_probe_console();
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index d04e6c2c3cc..01d865d9379 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -3,10 +3,11 @@
  *    tape device driver for 3480/3490E/3590 tapes.
  *
  *  S390 and zSeries version
- *    Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
  *    Author(s): Carsten Otte <cotte@de.ibm.com>
  *		 Tuan Ngo-Anh <ngoanh@de.ibm.com>
  *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *		 Stefan Bader <shbader@de.ibm.com>
  */
 
 #ifndef _TAPE_H
@@ -111,6 +112,7 @@ enum tape_request_status {
 	TAPE_REQUEST_QUEUED,	/* request is queued to be processed */
 	TAPE_REQUEST_IN_IO,	/* request is currently in IO */
 	TAPE_REQUEST_DONE,	/* request is completed. */
+	TAPE_REQUEST_CANCEL,	/* request should be canceled. */
 };
 
 /* Tape CCW request */
@@ -237,6 +239,9 @@ struct tape_device {
 	/* Block dev frontend data */
 	struct tape_blk_data		blk_data;
 #endif
+
+	/* Function to start or stop the next request later. */
+	struct work_struct		tape_dnr;
 };
 
 /* Externals from tape_core.c */
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 480ec87976f..20be88e91fa 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -1351,13 +1351,13 @@ tape_34xx_init (void)
 {
 	int rc;
 
-	TAPE_DBF_AREA = debug_register ( "tape_34xx", 1, 2, 4*sizeof(long));
+	TAPE_DBF_AREA = debug_register ( "tape_34xx", 2, 2, 4*sizeof(long));
 	debug_register_view(TAPE_DBF_AREA, &debug_sprintf_view);
 #ifdef DBF_LIKE_HELL
 	debug_set_level(TAPE_DBF_AREA, 6);
 #endif
 
-	DBF_EVENT(3, "34xx init: $Revision: 1.21 $\n");
+	DBF_EVENT(3, "34xx init: $Revision: 1.23 $\n");
 	/* Register driver for 3480/3490 tapes. */
 	rc = ccw_driver_register(&tape_34xx_driver);
 	if (rc)
@@ -1378,7 +1378,7 @@ tape_34xx_exit(void)
 MODULE_DEVICE_TABLE(ccw, tape_34xx_ids);
 MODULE_AUTHOR("(C) 2001-2002 IBM Deutschland Entwicklung GmbH");
 MODULE_DESCRIPTION("Linux on zSeries channel attached 3480 tape "
-		   "device driver ($Revision: 1.21 $)");
+		   "device driver ($Revision: 1.23 $)");
 MODULE_LICENSE("GPL");
 
 module_init(tape_34xx_init);
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index b4df4a515b1..6c52e8307dc 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -3,11 +3,12 @@
  *    basic function of the tape device driver
  *
  *  S390 and zSeries version
- *    Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
  *    Author(s): Carsten Otte <cotte@de.ibm.com>
  *		 Michael Holzheu <holzheu@de.ibm.com>
  *		 Tuan Ngo-Anh <ngoanh@de.ibm.com>
  *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
+ *		 Stefan Bader <shbader@de.ibm.com>
  */
 
 #include <linux/config.h>
@@ -28,7 +29,7 @@
 #define PRINTK_HEADER "TAPE_CORE: "
 
 static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *);
-static void __tape_remove_request(struct tape_device *, struct tape_request *);
+static void tape_delayed_next_request(void * data);
 
 /*
  * One list to contain all tape devices of all disciplines, so
@@ -257,7 +258,7 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate)
  * Stop running ccw. Has to be called with the device lock held.
  */
 static inline int
-__tape_halt_io(struct tape_device *device, struct tape_request *request)
+__tape_cancel_io(struct tape_device *device, struct tape_request *request)
 {
 	int retries;
 	int rc;
@@ -270,20 +271,23 @@ __tape_halt_io(struct tape_device *device, struct tape_request *request)
 	for (retries = 0; retries < 5; retries++) {
 		rc = ccw_device_clear(device->cdev, (long) request);
 
-		if (rc == 0) {                     /* Termination successful */
-			request->rc     = -EIO;
-			request->status = TAPE_REQUEST_DONE;
-			return 0;
+		switch (rc) {
+			case 0:
+				request->status	= TAPE_REQUEST_DONE;
+				return 0;
+			case -EBUSY:
+				request->status	= TAPE_REQUEST_CANCEL;
+				schedule_work(&device->tape_dnr);
+				return 0;
+			case -ENODEV:
+				DBF_EXCEPTION(2, "device gone, retry\n");
+				break;
+			case -EIO:
+				DBF_EXCEPTION(2, "I/O error, retry\n");
+				break;
+			default:
+				BUG();
 		}
-
-		if (rc == -ENODEV)
-			DBF_EXCEPTION(2, "device gone, retry\n");
-		else if (rc == -EIO)
-			DBF_EXCEPTION(2, "I/O error, retry\n");
-		else if (rc == -EBUSY)
-			DBF_EXCEPTION(2, "device busy, retry late\n");
-		else
-			BUG();
 	}
 
 	return rc;
@@ -473,6 +477,7 @@ tape_alloc_device(void)
 	*device->modeset_byte = 0;
 	device->first_minor = -1;
 	atomic_set(&device->ref_count, 1);
+	INIT_WORK(&device->tape_dnr, tape_delayed_next_request, device);
 
 	return device;
 }
@@ -708,54 +713,119 @@ tape_free_request (struct tape_request * request)
 	kfree(request);
 }
 
+static inline int
+__tape_start_io(struct tape_device *device, struct tape_request *request)
+{
+	int rc;
+
+#ifdef CONFIG_S390_TAPE_BLOCK
+	if (request->op == TO_BLOCK)
+		device->discipline->check_locate(device, request);
+#endif
+	rc = ccw_device_start(
+		device->cdev,
+		request->cpaddr,
+		(unsigned long) request,
+		0x00,
+		request->options
+	);
+	if (rc == 0) {
+		request->status = TAPE_REQUEST_IN_IO;
+	} else if (rc == -EBUSY) {
+		/* The common I/O subsystem is currently busy. Retry later. */
+		request->status = TAPE_REQUEST_QUEUED;
+		schedule_work(&device->tape_dnr);
+		rc = 0;
+	} else {
+		/* Start failed. Remove request and indicate failure. */
+		DBF_EVENT(1, "tape: start request failed with RC = %i\n", rc);
+	}
+	return rc;
+}
+
 static inline void
-__tape_do_io_list(struct tape_device *device)
+__tape_start_next_request(struct tape_device *device)
 {
 	struct list_head *l, *n;
 	struct tape_request *request;
 	int rc;
 
-	DBF_LH(6, "__tape_do_io_list(%p)\n", device);
+	DBF_LH(6, "__tape_start_next_request(%p)\n", device);
 	/*
 	 * Try to start each request on request queue until one is
 	 * started successful.
 	 */
 	list_for_each_safe(l, n, &device->req_queue) {
 		request = list_entry(l, struct tape_request, list);
-#ifdef CONFIG_S390_TAPE_BLOCK
-		if (request->op == TO_BLOCK)
-			device->discipline->check_locate(device, request);
-#endif
-		rc = ccw_device_start(device->cdev, request->cpaddr,
-				      (unsigned long) request, 0x00,
-				      request->options);
-		if (rc == 0) {
-			request->status = TAPE_REQUEST_IN_IO;
-			break;
+
+		/*
+		 * Avoid race condition if bottom-half was triggered more than
+		 * once.
+		 */
+		if (request->status == TAPE_REQUEST_IN_IO)
+			return;
+
+		/*
+		 * We wanted to cancel the request but the common I/O layer
+		 * was busy at that time. This can only happen if this
+		 * function is called by delayed_next_request.
+		 * Otherwise we start the next request on the queue.
+		 */
+		if (request->status == TAPE_REQUEST_CANCEL) {
+			rc = __tape_cancel_io(device, request);
+		} else {
+			rc = __tape_start_io(device, request);
 		}
-		/* Start failed. Remove request and indicate failure. */
-		DBF_EVENT(1, "tape: DOIO failed with er = %i\n", rc);
+		if (rc == 0)
+			return;
 
-		/* Set ending status and do callback. */
+		/* Set ending status. */
 		request->rc = rc;
 		request->status = TAPE_REQUEST_DONE;
-		__tape_remove_request(device, request);
+
+		/* Remove from request queue. */
+		list_del(&request->list);
+
+		/* Do callback. */
+		if (request->callback != NULL)
+			request->callback(request, request->callback_data);
 	}
 }
 
 static void
-__tape_remove_request(struct tape_device *device, struct tape_request *request)
+tape_delayed_next_request(void *data)
 {
-	/* Remove from request queue. */
-	list_del(&request->list);
+	struct tape_device *	device;
 
-	/* Do callback. */
-	if (request->callback != NULL)
-		request->callback(request, request->callback_data);
+	device = (struct tape_device *) data;
+	DBF_LH(6, "tape_delayed_next_request(%p)\n", device);
+	spin_lock_irq(get_ccwdev_lock(device->cdev));
+	__tape_start_next_request(device);
+	spin_unlock_irq(get_ccwdev_lock(device->cdev));
+}
+
+static inline void
+__tape_end_request(
+	struct tape_device *	device,
+	struct tape_request *	request,
+	int			rc)
+{
+	DBF_LH(6, "__tape_end_request(%p, %p, %i)\n", device, request, rc);
+	if (request) {
+		request->rc = rc;
+		request->status = TAPE_REQUEST_DONE;
+
+		/* Remove from request queue. */
+		list_del(&request->list);
+
+		/* Do callback. */
+		if (request->callback != NULL)
+			request->callback(request, request->callback_data);
+	}
 
 	/* Start next request. */
 	if (!list_empty(&device->req_queue))
-		__tape_do_io_list(device);
+		__tape_start_next_request(device);
 }
 
 /*
@@ -812,7 +882,7 @@ tape_dump_sense_dbf(struct tape_device *device, struct tape_request *request,
  * the device lock held.
  */
 static inline int
-__tape_do_io(struct tape_device *device, struct tape_request *request)
+__tape_start_request(struct tape_device *device, struct tape_request *request)
 {
 	int rc;
 
@@ -837,24 +907,16 @@ __tape_do_io(struct tape_device *device, struct tape_request *request)
 
 	if (list_empty(&device->req_queue)) {
 		/* No other requests are on the queue. Start this one. */
-#ifdef CONFIG_S390_TAPE_BLOCK
-		if (request->op == TO_BLOCK)
-			device->discipline->check_locate(device, request);
-#endif
-		rc = ccw_device_start(device->cdev, request->cpaddr,
-				      (unsigned long) request, 0x00,
-				      request->options);
-		if (rc) {
-			DBF_EVENT(1, "tape: DOIO failed with rc = %i\n", rc);
+		rc = __tape_start_io(device, request);
+		if (rc)
 			return rc;
-		}
+
 		DBF_LH(5, "Request %p added for execution.\n", request);
 		list_add(&request->list, &device->req_queue);
-		request->status = TAPE_REQUEST_IN_IO;
 	} else {
 		DBF_LH(5, "Request %p add to queue.\n", request);
-		list_add_tail(&request->list, &device->req_queue);
 		request->status = TAPE_REQUEST_QUEUED;
+		list_add_tail(&request->list, &device->req_queue);
 	}
 	return 0;
 }
@@ -872,7 +934,7 @@ tape_do_io_async(struct tape_device *device, struct tape_request *request)
 
 	spin_lock_irq(get_ccwdev_lock(device->cdev));
 	/* Add request to request queue and try to start it. */
-	rc = __tape_do_io(device, request);
+	rc = __tape_start_request(device, request);
 	spin_unlock_irq(get_ccwdev_lock(device->cdev));
 	return rc;
 }
@@ -901,7 +963,7 @@ tape_do_io(struct tape_device *device, struct tape_request *request)
 	request->callback = __tape_wake_up;
 	request->callback_data = &wq;
 	/* Add request to request queue and try to start it. */
-	rc = __tape_do_io(device, request);
+	rc = __tape_start_request(device, request);
 	spin_unlock_irq(get_ccwdev_lock(device->cdev));
 	if (rc)
 		return rc;
@@ -935,7 +997,7 @@ tape_do_io_interruptible(struct tape_device *device,
 	/* Setup callback */
 	request->callback = __tape_wake_up_interruptible;
 	request->callback_data = &wq;
-	rc = __tape_do_io(device, request);
+	rc = __tape_start_request(device, request);
 	spin_unlock_irq(get_ccwdev_lock(device->cdev));
 	if (rc)
 		return rc;
@@ -944,36 +1006,27 @@ tape_do_io_interruptible(struct tape_device *device,
 	if (rc != -ERESTARTSYS)
 		/* Request finished normally. */
 		return request->rc;
+
 	/* Interrupted by a signal. We have to stop the current request. */
 	spin_lock_irq(get_ccwdev_lock(device->cdev));
-	rc = __tape_halt_io(device, request);
+	rc = __tape_cancel_io(device, request);
+	spin_unlock_irq(get_ccwdev_lock(device->cdev));
 	if (rc == 0) {
+		/* Wait for the interrupt that acknowledges the halt. */
+		do {
+			rc = wait_event_interruptible(
+				wq,
+				(request->callback == NULL)
+			);
+		} while (rc != -ERESTARTSYS);
+
 		DBF_EVENT(3, "IO stopped on %08x\n", device->cdev_id);
 		rc = -ERESTARTSYS;
 	}
-	spin_unlock_irq(get_ccwdev_lock(device->cdev));
 	return rc;
 }
 
 /*
- * Handle requests that return an i/o error in the irb.
- */
-static inline void
-tape_handle_killed_request(
-	struct tape_device *device,
-	struct tape_request *request)
-{
-	if(request != NULL) {
-		/* Set ending status. FIXME: Should the request be retried? */
-		request->rc = -EIO;
-		request->status = TAPE_REQUEST_DONE;
-		__tape_remove_request(device, request);
-	} else {
-		__tape_do_io_list(device);
-	}
-}
-
-/*
  * Tape interrupt routine, called from the ccw_device layer
  */
 static void
@@ -981,7 +1034,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 {
 	struct tape_device *device;
 	struct tape_request *request;
-	int final;
 	int rc;
 
 	device = (struct tape_device *) cdev->dev.driver_data;
@@ -996,12 +1048,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 
 	/* On special conditions irb is an error pointer */
 	if (IS_ERR(irb)) {
+		/* FIXME: What to do with the request? */
 		switch (PTR_ERR(irb)) {
 			case -ETIMEDOUT:
 				PRINT_WARN("(%s): Request timed out\n",
 					cdev->dev.bus_id);
 			case -EIO:
-				tape_handle_killed_request(device, request);
+				__tape_end_request(device, request, -EIO);
 				break;
 			default:
 				PRINT_ERR("(%s): Unexpected i/o error %li\n",
@@ -1011,6 +1064,21 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 		return;
 	}
 
+	/*
+	 * If the condition code is not zero and the start function bit is
+	 * still set, this is an deferred error and the last start I/O did
+	 * not succeed. Restart the request now.
+	 */
+	if (irb->scsw.cc != 0 && (irb->scsw.fctl & SCSW_FCTL_START_FUNC)) {
+		PRINT_WARN("(%s): deferred cc=%i. restaring\n",
+			cdev->dev.bus_id,
+			irb->scsw.cc);
+		rc = __tape_start_io(device, request);
+		if (rc)
+			__tape_end_request(device, request, rc);
+		return;
+	}
+
 	/* May be an unsolicited irq */
 	if(request != NULL)
 		request->rescnt = irb->scsw.count;
@@ -1042,7 +1110,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 	 * To detect these request the state will be set to TAPE_REQUEST_DONE.
 	 */
 	if(request != NULL && request->status == TAPE_REQUEST_DONE) {
-		__tape_remove_request(device, request);
+		__tape_end_request(device, request, -EIO);
 		return;
 	}
 
@@ -1054,51 +1122,34 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 	 * rc == TAPE_IO_RETRY: request finished but needs another go.
 	 * rc == TAPE_IO_STOP: request needs to get terminated.
 	 */
-	final = 0;
 	switch (rc) {
-	case TAPE_IO_SUCCESS:
-		/* Upon normal completion the device _is_ online */
-		device->tape_generic_status |= GMT_ONLINE(~0);
-		final = 1;
-		break;
-	case TAPE_IO_PENDING:
-		break;
-	case TAPE_IO_RETRY:
-#ifdef CONFIG_S390_TAPE_BLOCK
-		if (request->op == TO_BLOCK)
-			device->discipline->check_locate(device, request);
-#endif
-		rc = ccw_device_start(cdev, request->cpaddr,
-				      (unsigned long) request, 0x00,
-				      request->options);
-		if (rc) {
-			DBF_EVENT(1, "tape: DOIO failed with er = %i\n", rc);
-			final = 1;
-		}
-		break;
-	case TAPE_IO_STOP:
-		__tape_halt_io(device, request);
-		break;
-	default:
-		if (rc > 0) {
-			DBF_EVENT(6, "xunknownrc\n");
-			PRINT_ERR("Invalid return code from discipline "
-				  "interrupt function.\n");
-			rc = -EIO;
-		}
-		final = 1;
-		break;
-	}
-	if (final) {
-		/* May be an unsolicited irq */
-		if(request != NULL) {
-			/* Set ending status. */
-			request->rc = rc;
-			request->status = TAPE_REQUEST_DONE;
-			__tape_remove_request(device, request);
-		} else {
-			__tape_do_io_list(device);
-		}
+		case TAPE_IO_SUCCESS:
+			/* Upon normal completion the device _is_ online */
+			device->tape_generic_status |= GMT_ONLINE(~0);
+			__tape_end_request(device, request, rc);
+			break;
+		case TAPE_IO_PENDING:
+			break;
+		case TAPE_IO_RETRY:
+			rc = __tape_start_io(device, request);
+			if (rc)
+				__tape_end_request(device, request, rc);
+			break;
+		case TAPE_IO_STOP:
+			rc = __tape_cancel_io(device, request);
+			if (rc)
+				__tape_end_request(device, request, rc);
+			break;
+		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);
+			}
+			break;
 	}
 }
 
@@ -1186,12 +1237,12 @@ tape_mtop(struct tape_device *device, int mt_op, int mt_count)
 static int
 tape_init (void)
 {
-	TAPE_DBF_AREA = debug_register ( "tape", 1, 2, 4*sizeof(long));
+	TAPE_DBF_AREA = debug_register ( "tape", 2, 2, 4*sizeof(long));
 	debug_register_view(TAPE_DBF_AREA, &debug_sprintf_view);
 #ifdef DBF_LIKE_HELL
 	debug_set_level(TAPE_DBF_AREA, 6);
 #endif
-	DBF_EVENT(3, "tape init: ($Revision: 1.51 $)\n");
+	DBF_EVENT(3, "tape init: ($Revision: 1.54 $)\n");
 	tape_proc_init();
 	tapechar_init ();
 	tapeblock_init ();
@@ -1216,7 +1267,7 @@ tape_exit(void)
 MODULE_AUTHOR("(C) 2001 IBM Deutschland Entwicklung GmbH by Carsten Otte and "
 	      "Michael Holzheu (cotte@de.ibm.com,holzheu@de.ibm.com)");
 MODULE_DESCRIPTION("Linux on zSeries channel attached "
-		   "tape device driver ($Revision: 1.51 $)");
+		   "tape device driver ($Revision: 1.54 $)");
 MODULE_LICENSE("GPL");
 
 module_init(tape_init);
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index 801d17cca34..5fec0a10cc3 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/vmalloc.h>
 #include <linux/seq_file.h>
+#include <linux/proc_fs.h>
 
 #define TAPE_DBF_AREA	tape_core_dbf
 
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
new file mode 100644
index 00000000000..8990d8076e7
--- /dev/null
+++ b/drivers/s390/char/vmcp.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright (C) 2004,2005 IBM Corporation
+ * Interface implementation for communication with the v/VM control program
+ * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
+ *
+ *
+ * z/VMs CP offers the possibility to issue commands via the diagnose code 8
+ * this driver implements a character device that issues these commands and
+ * returns the answer of CP.
+
+ * The idea of this driver is based on cpint from Neale Ferguson and #CP in CMS
+ */
+
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <asm/cpcmd.h>
+#include <asm/debug.h>
+#include <asm/uaccess.h>
+#include "vmcp.h"
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Christian Borntraeger <cborntra@de.ibm.com>");
+MODULE_DESCRIPTION("z/VM CP interface");
+
+static debug_info_t *vmcp_debug;
+
+static int vmcp_open(struct inode *inode, struct file *file)
+{
+	struct vmcp_session *session;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	session = kmalloc(sizeof(*session), GFP_KERNEL);
+	if (!session)
+		return -ENOMEM;
+	session->bufsize = PAGE_SIZE;
+	session->response = NULL;
+	session->resp_size = 0;
+	init_MUTEX(&session->mutex);
+	file->private_data = session;
+	return nonseekable_open(inode, file);
+}
+
+static int vmcp_release(struct inode *inode, struct file *file)
+{
+	struct vmcp_session *session;
+
+	session = (struct vmcp_session *)file->private_data;
+	file->private_data = NULL;
+	free_pages((unsigned long)session->response, get_order(session->bufsize));
+	kfree(session);
+	return 0;
+}
+
+static ssize_t
+vmcp_read(struct file *file, char __user * buff, size_t count, loff_t * ppos)
+{
+	size_t tocopy;
+	struct vmcp_session *session;
+
+	session = (struct vmcp_session *)file->private_data;
+	if (down_interruptible(&session->mutex))
+		return -ERESTARTSYS;
+	if (!session->response) {
+		up(&session->mutex);
+		return 0;
+	}
+	if (*ppos > session->resp_size) {
+		up(&session->mutex);
+		return 0;
+	}
+	tocopy = min(session->resp_size - (size_t) (*ppos), count);
+	tocopy = min(tocopy,session->bufsize - (size_t) (*ppos));
+
+	if (copy_to_user(buff, session->response + (*ppos), tocopy)) {
+		up(&session->mutex);
+		return -EFAULT;
+	}
+	up(&session->mutex);
+	*ppos += tocopy;
+	return tocopy;
+}
+
+static ssize_t
+vmcp_write(struct file *file, const char __user * buff, size_t count,
+	   loff_t * ppos)
+{
+	char *cmd;
+	struct vmcp_session *session;
+
+	if (count > 240)
+		return -EINVAL;
+	cmd = kmalloc(count + 1, GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+	if (copy_from_user(cmd, buff, count)) {
+		kfree(cmd);
+		return -EFAULT;
+	}
+	cmd[count] = '\0';
+	session = (struct vmcp_session *)file->private_data;
+	if (down_interruptible(&session->mutex))
+		return -ERESTARTSYS;
+	if (!session->response)
+		session->response = (char *)__get_free_pages(GFP_KERNEL
+						| __GFP_REPEAT 	| GFP_DMA,
+						get_order(session->bufsize));
+	if (!session->response) {
+		up(&session->mutex);
+		kfree(cmd);
+		return -ENOMEM;
+	}
+	debug_text_event(vmcp_debug, 1, cmd);
+	session->resp_size = __cpcmd(cmd, session->response,
+				     session->bufsize,
+				     &session->resp_code);
+	up(&session->mutex);
+	kfree(cmd);
+	*ppos = 0;		/* reset the file pointer after a command */
+	return count;
+}
+
+
+/*
+ * These ioctls are available, as the semantics of the diagnose 8 call
+ * does not fit very well into a Linux call. Diagnose X'08' is described in
+ * CP Programming Services SC24-6084-00
+ *
+ * VMCP_GETCODE: gives the CP return code back to user space
+ * VMCP_SETBUF: sets the response buffer for the next write call. diagnose 8
+ * expects adjacent pages in real storage and to make matters worse, we
+ * dont know the size of the response. Therefore we default to PAGESIZE and
+ * let userspace to change the response size, if userspace expects a bigger
+ * response
+ */
+static long vmcp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	struct vmcp_session *session;
+	int temp;
+
+	session = (struct vmcp_session *)file->private_data;
+	if (down_interruptible(&session->mutex))
+		return -ERESTARTSYS;
+	switch (cmd) {
+	case VMCP_GETCODE:
+		temp = session->resp_code;
+		up(&session->mutex);
+		return put_user(temp, (int __user *)arg);
+	case VMCP_SETBUF:
+		free_pages((unsigned long)session->response,
+				get_order(session->bufsize));
+		session->response=NULL;
+		temp = get_user(session->bufsize, (int __user *)arg);
+		if (get_order(session->bufsize) > 8) {
+			session->bufsize = PAGE_SIZE;
+			temp = -EINVAL;
+		}
+		up(&session->mutex);
+		return temp;
+	case VMCP_GETSIZE:
+		temp = session->resp_size;
+		up(&session->mutex);
+		return put_user(temp, (int __user *)arg);
+	default:
+		up(&session->mutex);
+		return -ENOIOCTLCMD;
+	}
+}
+
+static struct file_operations vmcp_fops = {
+	.owner		= THIS_MODULE,
+	.open		= &vmcp_open,
+	.release	= &vmcp_release,
+	.read		= &vmcp_read,
+	.llseek		= &no_llseek,
+	.write		= &vmcp_write,
+	.unlocked_ioctl	= &vmcp_ioctl,
+	.compat_ioctl	= &vmcp_ioctl
+};
+
+static struct miscdevice vmcp_dev = {
+	.name	= "vmcp",
+	.minor	= MISC_DYNAMIC_MINOR,
+	.fops	= &vmcp_fops,
+};
+
+static int __init vmcp_init(void)
+{
+	int ret;
+
+	if (!MACHINE_IS_VM) {
+		printk(KERN_WARNING
+		       "z/VM CP interface is only available under z/VM\n");
+		return -ENODEV;
+	}
+	ret = misc_register(&vmcp_dev);
+	if (!ret)
+		printk(KERN_INFO "z/VM CP interface loaded\n");
+	else
+		printk(KERN_WARNING
+		       "z/VM CP interface not loaded. Could not register misc device.\n");
+	vmcp_debug = debug_register("vmcp", 1, 1, 240);
+	debug_register_view(vmcp_debug, &debug_hex_ascii_view);
+	return ret;
+}
+
+static void __exit vmcp_exit(void)
+{
+	WARN_ON(misc_deregister(&vmcp_dev) != 0);
+	debug_unregister(vmcp_debug);
+	printk(KERN_INFO "z/VM CP interface unloaded.\n");
+}
+
+module_init(vmcp_init);
+module_exit(vmcp_exit);
diff --git a/drivers/s390/char/vmcp.h b/drivers/s390/char/vmcp.h
new file mode 100644
index 00000000000..87389e73046
--- /dev/null
+++ b/drivers/s390/char/vmcp.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2004, 2005 IBM Corporation
+ * Interface implementation for communication with the v/VM control program
+ * Version 1.0
+ * Author(s): Christian Borntraeger <cborntra@de.ibm.com>
+ *
+ *
+ * z/VMs CP offers the possibility to issue commands via the diagnose code 8
+ * this driver implements a character device that issues these commands and
+ * returns the answer of CP.
+ *
+ * The idea of this driver is based on cpint from Neale Ferguson
+ */
+
+#include <asm/semaphore.h>
+#include <linux/ioctl.h>
+
+#define VMCP_GETCODE _IOR(0x10, 1, int)
+#define VMCP_SETBUF _IOW(0x10, 2, int)
+#define VMCP_GETSIZE _IOR(0x10, 3, int)
+
+struct vmcp_session {
+	unsigned int bufsize;
+	char *response;
+	int resp_size;
+	int resp_code;
+	/* As we use copy_from/to_user, which might     *
+	 * sleep and cannot use a spinlock              */
+	struct semaphore mutex;
+};
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index f7717327d15..491f00c032e 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -236,7 +236,7 @@ vmlogrdr_get_recording_class_AB(void) {
 	int len,i;
 
 	printk (KERN_DEBUG "vmlogrdr: query command: %s\n", cp_command);
-	cpcmd(cp_command, cp_response, sizeof(cp_response));
+	cpcmd(cp_command, cp_response, sizeof(cp_response), NULL);
 	printk (KERN_DEBUG "vmlogrdr: response: %s", cp_response);
 	len = strnlen(cp_response,sizeof(cp_response));
 	// now the parsing
@@ -288,7 +288,7 @@ vmlogrdr_recording(struct vmlogrdr_priv_t * logptr, int action, int purge) {
 
 		printk (KERN_DEBUG "vmlogrdr: recording command: %s\n",
 			cp_command);
-		cpcmd(cp_command, cp_response, sizeof(cp_response));
+		cpcmd(cp_command, cp_response, sizeof(cp_response), NULL);
 		printk (KERN_DEBUG "vmlogrdr: recording response: %s",
 			cp_response);
 	}
@@ -301,7 +301,7 @@ vmlogrdr_recording(struct vmlogrdr_priv_t * logptr, int action, int purge) {
 		qid_string);
 
 	printk (KERN_DEBUG "vmlogrdr: recording command: %s\n", cp_command);
-	cpcmd(cp_command, cp_response, sizeof(cp_response));
+	cpcmd(cp_command, cp_response, sizeof(cp_response), NULL);
 	printk (KERN_DEBUG "vmlogrdr: recording response: %s",
 		cp_response);
 	/* The recording command will usually answer with 'Command complete'
@@ -607,7 +607,7 @@ vmlogrdr_purge_store(struct device * dev, struct device_attribute *attr, const c
 			 priv->recording_name);
 
 	printk (KERN_DEBUG "vmlogrdr: recording command: %s\n", cp_command);
-	cpcmd(cp_command, cp_response, sizeof(cp_response));
+	cpcmd(cp_command, cp_response, sizeof(cp_response), NULL);
 	printk (KERN_DEBUG "vmlogrdr: recording response: %s",
 		cp_response);
 
@@ -682,7 +682,7 @@ vmlogrdr_recording_status_show(struct device_driver *driver, char *buf) {
 	char cp_command[] = "QUERY RECORDING ";
 	int len;
 
-	cpcmd(cp_command, buf, 4096);
+	cpcmd(cp_command, buf, 4096, NULL);
 	len = strlen(buf);
 	return len;
 }
diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c
index 22cf4fec8da..5473c23fcb5 100644
--- a/drivers/s390/char/vmwatchdog.c
+++ b/drivers/s390/char/vmwatchdog.c
@@ -23,11 +23,7 @@
 static char vmwdt_cmd[MAX_CMDLEN] = "IPL";
 static int vmwdt_conceal;
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int vmwdt_nowayout = 1;
-#else
-static int vmwdt_nowayout = 0;
-#endif
+static int vmwdt_nowayout = WATCHDOG_NOWAYOUT;
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Arnd Bergmann <arndb@de.ibm.com>");
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 306525acb9f..91ea8e4777f 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -403,34 +403,22 @@ ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
 	return driver_register(&cdriver->driver);
 }
 
-static inline struct device *
-__get_next_ccwgroup_device(struct device_driver *drv)
+static int
+__ccwgroup_driver_unregister_device(struct device *dev, void *data)
 {
-	struct device *dev, *d;
-
-	down_read(&drv->bus->subsys.rwsem);
-	dev = NULL;
-	list_for_each_entry(d, &drv->devices, driver_list) {
-		dev = get_device(d);
-		if (dev)
-			break;
-	}
-	up_read(&drv->bus->subsys.rwsem);
-	return dev;
+	__ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
+	device_unregister(dev);
+	put_device(dev);
+	return 0;
 }
 
 void
 ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver)
 {
-	struct device *dev;
-
 	/* We don't want ccwgroup devices to live longer than their driver. */
 	get_driver(&cdriver->driver);
-	while ((dev = __get_next_ccwgroup_device(&cdriver->driver))) {
-		__ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
-		device_unregister(dev);
-		put_device(dev);
-	};
+	driver_for_each_device(&cdriver->driver, NULL, NULL,
+			       __ccwgroup_driver_unregister_device);
 	put_driver(&cdriver->driver);
 	driver_unregister(&cdriver->driver);
 }
@@ -449,7 +437,7 @@ __ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev)
 	if (cdev->dev.driver_data) {
 		gdev = (struct ccwgroup_device *)cdev->dev.driver_data;
 		if (get_device(&gdev->dev)) {
-			if (!list_empty(&gdev->dev.node))
+			if (klist_node_attached(&gdev->dev.knode_bus))
 				return gdev;
 			put_device(&gdev->dev);
 		}
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index b86f94ecd87..fa3c23b80e3 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -1,7 +1,7 @@
 /*
  *  drivers/s390/cio/chsc.c
  *   S/390 common I/O routines -- channel subsystem call
- *   $Revision: 1.119 $
+ *   $Revision: 1.120 $
  *
  *    Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
  *			      IBM Corporation
@@ -412,11 +412,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask)
 		if (chp_mask == 0) {
 
 			spin_unlock_irq(&sch->lock);
-
-			if (fla_mask != 0)
-				break;
-			else
-				continue;
+			continue;
 		}
 		old_lpm = sch->lpm;
 		sch->lpm = ((sch->schib.pmcw.pim &
@@ -430,7 +426,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask)
 
 		spin_unlock_irq(&sch->lock);
 		put_device(&sch->dev);
-		if (fla_mask != 0)
+		if (fla_mask == 0xffff)
 			break;
 	}
 	return rc;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 1d9b3f18d8d..ea813bdce1d 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -1,7 +1,7 @@
 /*
  *  drivers/s390/cio/cio.c
  *   S/390 common I/O routines -- low level i/o calls
- *   $Revision: 1.133 $
+ *   $Revision: 1.134 $
  *
  *    Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
  *			      IBM Corporation
@@ -63,17 +63,17 @@ __setup ("cio_msg=", cio_setup);
 static int __init
 cio_debug_init (void)
 {
-	cio_debug_msg_id = debug_register ("cio_msg", 4, 4, 16*sizeof (long));
+	cio_debug_msg_id = debug_register ("cio_msg", 16, 4, 16*sizeof (long));
 	if (!cio_debug_msg_id)
 		goto out_unregister;
 	debug_register_view (cio_debug_msg_id, &debug_sprintf_view);
 	debug_set_level (cio_debug_msg_id, 2);
-	cio_debug_trace_id = debug_register ("cio_trace", 4, 4, 8);
+	cio_debug_trace_id = debug_register ("cio_trace", 16, 4, 8);
 	if (!cio_debug_trace_id)
 		goto out_unregister;
 	debug_register_view (cio_debug_trace_id, &debug_hex_ascii_view);
 	debug_set_level (cio_debug_trace_id, 2);
-	cio_debug_crw_id = debug_register ("cio_crw", 2, 4, 16*sizeof (long));
+	cio_debug_crw_id = debug_register ("cio_crw", 4, 4, 16*sizeof (long));
 	if (!cio_debug_crw_id)
 		goto out_unregister;
 	debug_register_view (cio_debug_crw_id, &debug_sprintf_view);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 87bd70eeabe..555119cacc2 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -128,34 +128,28 @@ css_probe_device(int irq)
 	return ret;
 }
 
+static int
+check_subchannel(struct device * dev, void * data)
+{
+	struct subchannel *sch;
+	int irq = (unsigned long)data;
+
+	sch = to_subchannel(dev);
+	return (sch->irq == irq);
+}
+
 struct subchannel *
 get_subchannel_by_schid(int irq)
 {
-	struct subchannel *sch;
-	struct list_head *entry;
 	struct device *dev;
 
-	if (!get_bus(&css_bus_type))
-		return NULL;
-	down_read(&css_bus_type.subsys.rwsem);
-	sch = NULL;
-	list_for_each(entry, &css_bus_type.devices.list) {
-		dev = get_device(container_of(entry,
-					      struct device, bus_list));
-		if (!dev)
-			continue;
-		sch = to_subchannel(dev);
-		if (sch->irq == irq)
-			break;
-		put_device(dev);
-		sch = NULL;
-	}
-	up_read(&css_bus_type.subsys.rwsem);
-	put_bus(&css_bus_type);
+	dev = bus_find_device(&css_bus_type, NULL,
+			      (void *)(unsigned long)irq, check_subchannel);
 
-	return sch;
+	return dev ? to_subchannel(dev) : NULL;
 }
 
+
 static inline int
 css_get_subchannel_status(struct subchannel *sch, int schid)
 {
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 809e1108a06..14c76f5e417 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -514,36 +514,39 @@ ccw_device_register(struct ccw_device *cdev)
 	return ret;
 }
 
+struct match_data {
+	unsigned int  devno;
+	struct ccw_device * sibling;
+};
+
+static int
+match_devno(struct device * dev, void * data)
+{
+	struct match_data * d = (struct match_data *)data;
+	struct ccw_device * cdev;
+
+	cdev = to_ccwdev(dev);
+	if ((cdev->private->state == DEV_STATE_DISCONNECTED) &&
+	    (cdev->private->devno == d->devno) &&
+	    (cdev != d->sibling)) {
+		cdev->private->state = DEV_STATE_NOT_OPER;
+		return 1;
+	}
+	return 0;
+}
+
 static struct ccw_device *
 get_disc_ccwdev_by_devno(unsigned int devno, struct ccw_device *sibling)
 {
-	struct ccw_device *cdev;
-	struct list_head *entry;
 	struct device *dev;
+	struct match_data data = {
+		.devno  = devno,
+		.sibling = sibling,
+	};
 
-	if (!get_bus(&ccw_bus_type))
-		return NULL;
-	down_read(&ccw_bus_type.subsys.rwsem);
-	cdev = NULL;
-	list_for_each(entry, &ccw_bus_type.devices.list) {
-		dev = get_device(container_of(entry,
-					      struct device, bus_list));
-		if (!dev)
-			continue;
-		cdev = to_ccwdev(dev);
-		if ((cdev->private->state == DEV_STATE_DISCONNECTED) &&
-		    (cdev->private->devno == devno) &&
-		    (cdev != sibling)) {
-			cdev->private->state = DEV_STATE_NOT_OPER;
-			break;
-		}
-		put_device(dev);
-		cdev = NULL;
-	}
-	up_read(&ccw_bus_type.subsys.rwsem);
-	put_bus(&ccw_bus_type);
+	dev = bus_find_device(&css_bus_type, NULL, &data, match_devno);
 
-	return cdev;
+	return dev ? to_ccwdev(dev) : NULL;
 }
 
 static void
@@ -647,7 +650,7 @@ io_subchannel_register(void *data)
 	cdev = (struct ccw_device *) data;
 	sch = to_subchannel(cdev->dev.parent);
 
-	if (!list_empty(&sch->dev.children)) {
+	if (klist_node_attached(&cdev->dev.knode_parent)) {
 		bus_rescan_devices(&ccw_bus_type);
 		goto out;
 	}
@@ -1019,30 +1022,29 @@ ccw_device_probe_console(void)
 /*
  * get ccw_device matching the busid, but only if owned by cdrv
  */
+static int
+__ccwdev_check_busid(struct device *dev, void *id)
+{
+	char *bus_id;
+
+	bus_id = (char *)id;
+
+	return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0);
+}
+
+
 struct ccw_device *
 get_ccwdev_by_busid(struct ccw_driver *cdrv, const char *bus_id)
 {
-	struct device *d, *dev;
+	struct device *dev;
 	struct device_driver *drv;
 
 	drv = get_driver(&cdrv->driver);
 	if (!drv)
-		return 0;
-
-	down_read(&drv->bus->subsys.rwsem);
-
-	dev = NULL;
-	list_for_each_entry(d, &drv->devices, driver_list) {
-		dev = get_device(d);
+		return NULL;
 
-		if (dev && !strncmp(bus_id, dev->bus_id, BUS_ID_SIZE))
-			break;
-		else if (dev) {
-			put_device(dev);
-			dev = NULL;
-		}
-	}
-	up_read(&drv->bus->subsys.rwsem);
+	dev = driver_find_device(drv, NULL, (void *)bus_id,
+				 __ccwdev_check_busid);
 	put_driver(drv);
 
 	return dev ? to_ccwdev(dev) : 0;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 9b7f6f548b1..ee7a05e0c3b 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -235,6 +235,9 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
 		sch->schib.pmcw.pam &
 		sch->schib.pmcw.pom &
 		sch->opm;
+	/* Check since device may again have become not operational. */
+	if (!sch->schib.pmcw.dnv)
+		state = DEV_STATE_NOT_OPER;
 	if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID)
 		/* Force reprobe on all chpids. */
 		old_lpm = 0;
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index 4ab2e0d9500..12a24d4331a 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -39,15 +39,14 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
 		      " ... device %04X on subchannel %04X, dev_stat "
 		      ": %02X sch_stat : %02X\n",
 		      cdev->private->devno, cdev->private->irq,
-		      cdev->private->irb.scsw.dstat,
-		      cdev->private->irb.scsw.cstat);
+		      irb->scsw.dstat, irb->scsw.cstat);
 
 	if (irb->scsw.cc != 3) {
 		char dbf_text[15];
 
 		sprintf(dbf_text, "chk%x", cdev->private->irq);
 		CIO_TRACE_EVENT(0, dbf_text);
-		CIO_HEX_EVENT(0, &cdev->private->irb, sizeof (struct irb));
+		CIO_HEX_EVENT(0, irb, sizeof (struct irb));
 	}
 }
 
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index bbe9f45d143..381f339e320 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -56,7 +56,7 @@
 #include "ioasm.h"
 #include "chsc.h"
 
-#define VERSION_QDIO_C "$Revision: 1.98 $"
+#define VERSION_QDIO_C "$Revision: 1.101 $"
 
 /****************** MODULE PARAMETER VARIABLES ********************/
 MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
@@ -112,7 +112,7 @@ qdio_min(int a,int b)
 
 /***************** SCRUBBER HELPER ROUTINES **********************/
 
-static inline volatile __u64 
+static inline __u64 
 qdio_get_micros(void)
 {
         return (get_clock() >> 10); /* time>>12 is microseconds */
@@ -230,7 +230,7 @@ qdio_siga_input(struct qdio_q *q)
 }
 
 /* locked by the locks in qdio_activate and qdio_cleanup */
-static __u32 * volatile 
+static __u32 volatile *
 qdio_get_indicator(void)
 {
 	int i;
@@ -432,7 +432,7 @@ tiqdio_clear_global_summary(void)
 
 /************************* OUTBOUND ROUTINES *******************************/
 
-inline static int
+static inline int
 qdio_get_outbound_buffer_frontier(struct qdio_q *q)
 {
 	int f,f_mod_no;
@@ -510,7 +510,7 @@ out:
 }
 
 /* all buffers are processed */
-inline static int
+static inline int
 qdio_is_outbound_q_done(struct qdio_q *q)
 {
 	int no_used;
@@ -532,7 +532,7 @@ qdio_is_outbound_q_done(struct qdio_q *q)
 	return (no_used==0);
 }
 
-inline static int
+static inline int
 qdio_has_outbound_q_moved(struct qdio_q *q)
 {
 	int i;
@@ -552,7 +552,7 @@ qdio_has_outbound_q_moved(struct qdio_q *q)
 	}
 }
 
-inline static void
+static inline void
 qdio_kick_outbound_q(struct qdio_q *q)
 {
 	int result;
@@ -641,7 +641,7 @@ qdio_kick_outbound_q(struct qdio_q *q)
 		}
 }
 
-inline static void
+static inline void
 qdio_kick_outbound_handler(struct qdio_q *q)
 {
 	int start, end, real_end, count;
@@ -740,7 +740,7 @@ qdio_outbound_processing(struct qdio_q *q)
 /************************* INBOUND ROUTINES *******************************/
 
 
-inline static int
+static inline int
 qdio_get_inbound_buffer_frontier(struct qdio_q *q)
 {
 	int f,f_mod_no;
@@ -865,7 +865,7 @@ out:
 	return q->first_to_check;
 }
 
-inline static int
+static inline int
 qdio_has_inbound_q_moved(struct qdio_q *q)
 {
 	int i;
@@ -898,7 +898,7 @@ qdio_has_inbound_q_moved(struct qdio_q *q)
 }
 
 /* means, no more buffers to be filled */
-inline static int
+static inline int
 tiqdio_is_inbound_q_done(struct qdio_q *q)
 {
 	int no_used;
@@ -951,7 +951,7 @@ tiqdio_is_inbound_q_done(struct qdio_q *q)
 	return 0;
 }
 
-inline static int
+static inline int
 qdio_is_inbound_q_done(struct qdio_q *q)
 {
 	int no_used;
@@ -1010,7 +1010,7 @@ qdio_is_inbound_q_done(struct qdio_q *q)
 	}
 }
 
-inline static void
+static inline void
 qdio_kick_inbound_handler(struct qdio_q *q)
 {
 	int count, start, end, real_end, i;
@@ -3342,7 +3342,7 @@ static int
 qdio_register_dbf_views(void)
 {
 	qdio_dbf_setup=debug_register(QDIO_DBF_SETUP_NAME,
-				      QDIO_DBF_SETUP_INDEX,
+				      QDIO_DBF_SETUP_PAGES,
 				      QDIO_DBF_SETUP_NR_AREAS,
 				      QDIO_DBF_SETUP_LEN);
 	if (!qdio_dbf_setup)
@@ -3351,7 +3351,7 @@ qdio_register_dbf_views(void)
 	debug_set_level(qdio_dbf_setup,QDIO_DBF_SETUP_LEVEL);
 
 	qdio_dbf_sbal=debug_register(QDIO_DBF_SBAL_NAME,
-				     QDIO_DBF_SBAL_INDEX,
+				     QDIO_DBF_SBAL_PAGES,
 				     QDIO_DBF_SBAL_NR_AREAS,
 				     QDIO_DBF_SBAL_LEN);
 	if (!qdio_dbf_sbal)
@@ -3361,7 +3361,7 @@ qdio_register_dbf_views(void)
 	debug_set_level(qdio_dbf_sbal,QDIO_DBF_SBAL_LEVEL);
 
 	qdio_dbf_sense=debug_register(QDIO_DBF_SENSE_NAME,
-				      QDIO_DBF_SENSE_INDEX,
+				      QDIO_DBF_SENSE_PAGES,
 				      QDIO_DBF_SENSE_NR_AREAS,
 				      QDIO_DBF_SENSE_LEN);
 	if (!qdio_dbf_sense)
@@ -3371,7 +3371,7 @@ qdio_register_dbf_views(void)
 	debug_set_level(qdio_dbf_sense,QDIO_DBF_SENSE_LEVEL);
 
 	qdio_dbf_trace=debug_register(QDIO_DBF_TRACE_NAME,
-				      QDIO_DBF_TRACE_INDEX,
+				      QDIO_DBF_TRACE_PAGES,
 				      QDIO_DBF_TRACE_NR_AREAS,
 				      QDIO_DBF_TRACE_LEN);
 	if (!qdio_dbf_trace)
@@ -3382,7 +3382,7 @@ qdio_register_dbf_views(void)
 
 #ifdef CONFIG_QDIO_DEBUG
         qdio_dbf_slsb_out=debug_register(QDIO_DBF_SLSB_OUT_NAME,
-                                         QDIO_DBF_SLSB_OUT_INDEX,
+                                         QDIO_DBF_SLSB_OUT_PAGES,
                                          QDIO_DBF_SLSB_OUT_NR_AREAS,
                                          QDIO_DBF_SLSB_OUT_LEN);
         if (!qdio_dbf_slsb_out)
@@ -3391,7 +3391,7 @@ qdio_register_dbf_views(void)
         debug_set_level(qdio_dbf_slsb_out,QDIO_DBF_SLSB_OUT_LEVEL);
 
         qdio_dbf_slsb_in=debug_register(QDIO_DBF_SLSB_IN_NAME,
-                                        QDIO_DBF_SLSB_IN_INDEX,
+                                        QDIO_DBF_SLSB_IN_PAGES,
                                         QDIO_DBF_SLSB_IN_NR_AREAS,
                                         QDIO_DBF_SLSB_IN_LEN);
         if (!qdio_dbf_slsb_in)
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index b6daadac4e8..6b8aa6a852b 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -3,7 +3,7 @@
 
 #include <asm/page.h>
 
-#define VERSION_CIO_QDIO_H "$Revision: 1.32 $"
+#define VERSION_CIO_QDIO_H "$Revision: 1.33 $"
 
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_VERBOSE_LEVEL 9
@@ -132,7 +132,7 @@ enum qdio_irq_states {
 
 #define QDIO_DBF_SETUP_NAME "qdio_setup"
 #define QDIO_DBF_SETUP_LEN 8
-#define QDIO_DBF_SETUP_INDEX 2
+#define QDIO_DBF_SETUP_PAGES 4
 #define QDIO_DBF_SETUP_NR_AREAS 1
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_DBF_SETUP_LEVEL 6
@@ -142,7 +142,7 @@ enum qdio_irq_states {
 
 #define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */
 #define QDIO_DBF_SBAL_LEN 256
-#define QDIO_DBF_SBAL_INDEX 2
+#define QDIO_DBF_SBAL_PAGES 4
 #define QDIO_DBF_SBAL_NR_AREAS 2
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_DBF_SBAL_LEVEL 6
@@ -154,16 +154,16 @@ enum qdio_irq_states {
 #define QDIO_DBF_TRACE_LEN 8
 #define QDIO_DBF_TRACE_NR_AREAS 2
 #ifdef CONFIG_QDIO_DEBUG
-#define QDIO_DBF_TRACE_INDEX 4
+#define QDIO_DBF_TRACE_PAGES 16
 #define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */
 #else /* CONFIG_QDIO_DEBUG */
-#define QDIO_DBF_TRACE_INDEX 2
+#define QDIO_DBF_TRACE_PAGES 4
 #define QDIO_DBF_TRACE_LEVEL 2
 #endif /* CONFIG_QDIO_DEBUG */
 
 #define QDIO_DBF_SENSE_NAME "qdio_sense"
 #define QDIO_DBF_SENSE_LEN 64
-#define QDIO_DBF_SENSE_INDEX 1
+#define QDIO_DBF_SENSE_PAGES 2
 #define QDIO_DBF_SENSE_NR_AREAS 1
 #ifdef CONFIG_QDIO_DEBUG
 #define QDIO_DBF_SENSE_LEVEL 6
@@ -176,13 +176,13 @@ enum qdio_irq_states {
 
 #define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out"
 #define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q
-#define QDIO_DBF_SLSB_OUT_INDEX 8
+#define QDIO_DBF_SLSB_OUT_PAGES 256
 #define QDIO_DBF_SLSB_OUT_NR_AREAS 1
 #define QDIO_DBF_SLSB_OUT_LEVEL 6
 
 #define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in"
 #define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q
-#define QDIO_DBF_SLSB_IN_INDEX 8
+#define QDIO_DBF_SLSB_IN_PAGES 256
 #define QDIO_DBF_SLSB_IN_NR_AREAS 1
 #define QDIO_DBF_SLSB_IN_LEVEL 6
 #endif /* CONFIG_QDIO_DEBUG */
diff --git a/drivers/s390/crypto/z90crypt.h b/drivers/s390/crypto/z90crypt.h
index 82a1d97001d..0a3bb5a10dd 100644
--- a/drivers/s390/crypto/z90crypt.h
+++ b/drivers/s390/crypto/z90crypt.h
@@ -36,15 +36,6 @@
 #define z90crypt_VARIANT 2	// 2 = added PCIXCC MCL3 and CEX2C support
 
 /**
- * If we are not using the sparse checker, __user has no use.
- */
-#ifdef __CHECKER__
-# define __user		__attribute__((noderef, address_space(1)))
-#else
-# define __user
-#endif
-
-/**
  * struct ica_rsa_modexpo
  *
  * Requirements:
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index a99927d54eb..24c0af49c25 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -146,8 +146,8 @@ claw_unregister_debug_facility(void)
 static int
 claw_register_debug_facility(void)
 {
-	claw_dbf_setup = debug_register("claw_setup", 1, 1, 8);
-	claw_dbf_trace = debug_register("claw_trace", 1, 2, 8);
+	claw_dbf_setup = debug_register("claw_setup", 2, 1, 8);
+	claw_dbf_trace = debug_register("claw_trace", 2, 2, 8);
 	if (claw_dbf_setup == NULL || claw_dbf_trace == NULL) {
 		printk(KERN_WARNING "Not enough memory for debug facility.\n");
 		claw_unregister_debug_facility();
@@ -428,7 +428,7 @@ claw_pack_skb(struct claw_privbk *privptr)
 	new_skb = NULL;		/* assume no dice */
 	pkt_cnt = 0;
 	CLAW_DBF_TEXT(4,trace,"PackSKBe");
-	if (skb_queue_len(&p_ch->collect_queue) > 0) {
+	if (!skb_queue_empty(&p_ch->collect_queue)) {
 	/* some data */
 		held_skb = skb_dequeue(&p_ch->collect_queue);
 		if (p_env->packing != DO_PACKED)
@@ -1254,7 +1254,7 @@ claw_write_next ( struct chbk * p_ch )
 	privptr = (struct claw_privbk *) dev->priv;
         claw_free_wrt_buf( dev );
 	if ((privptr->write_free_count > 0) &&
-	    (skb_queue_len(&p_ch->collect_queue) > 0)) {
+	    !skb_queue_empty(&p_ch->collect_queue)) {
 	  	pk_skb = claw_pack_skb(privptr);
 		while (pk_skb != NULL) {
 			rc = claw_hw_tx( pk_skb, dev,1);
diff --git a/drivers/s390/net/ctcdbug.c b/drivers/s390/net/ctcdbug.c
index 2c86bfa11b2..0e2a8bb9303 100644
--- a/drivers/s390/net/ctcdbug.c
+++ b/drivers/s390/net/ctcdbug.c
@@ -1,6 +1,6 @@
 /*
  *
- * linux/drivers/s390/net/ctcdbug.c ($Revision: 1.4 $)
+ * linux/drivers/s390/net/ctcdbug.c ($Revision: 1.6 $)
  *
  * CTC / ESCON network driver - s390 dbf exploit.
  *
@@ -9,7 +9,7 @@
  *    Author(s): Original Code written by
  *			  Peter Tiedemann (ptiedem@de.ibm.com)
  *
- *    $Revision: 1.4 $	 $Date: 2004/08/04 10:11:59 $
+ *    $Revision: 1.6 $	 $Date: 2005/05/11 08:10:17 $
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -51,15 +51,15 @@ int
 ctc_register_dbf_views(void)
 {
 	ctc_dbf_setup = debug_register(CTC_DBF_SETUP_NAME,
-					CTC_DBF_SETUP_INDEX,
+					CTC_DBF_SETUP_PAGES,
 					CTC_DBF_SETUP_NR_AREAS,
 					CTC_DBF_SETUP_LEN);
 	ctc_dbf_data = debug_register(CTC_DBF_DATA_NAME,
-				       CTC_DBF_DATA_INDEX,
+				       CTC_DBF_DATA_PAGES,
 				       CTC_DBF_DATA_NR_AREAS,
 				       CTC_DBF_DATA_LEN);
 	ctc_dbf_trace = debug_register(CTC_DBF_TRACE_NAME,
-					CTC_DBF_TRACE_INDEX,
+					CTC_DBF_TRACE_PAGES,
 					CTC_DBF_TRACE_NR_AREAS,
 					CTC_DBF_TRACE_LEN);
 
diff --git a/drivers/s390/net/ctcdbug.h b/drivers/s390/net/ctcdbug.h
index 7fe2ebd1792..7d6afa1627c 100644
--- a/drivers/s390/net/ctcdbug.h
+++ b/drivers/s390/net/ctcdbug.h
@@ -1,6 +1,6 @@
 /*
  *
- * linux/drivers/s390/net/ctcdbug.h ($Revision: 1.5 $)
+ * linux/drivers/s390/net/ctcdbug.h ($Revision: 1.6 $)
  *
  * CTC / ESCON network driver - s390 dbf exploit.
  *
@@ -9,7 +9,7 @@
  *    Author(s): Original Code written by
  *			  Peter Tiedemann (ptiedem@de.ibm.com)
  *
- *    $Revision: 1.5 $	 $Date: 2005/02/27 19:46:44 $
+ *    $Revision: 1.6 $	 $Date: 2005/05/11 08:10:17 $
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -35,19 +35,19 @@
  */
 #define CTC_DBF_SETUP_NAME "ctc_setup"
 #define CTC_DBF_SETUP_LEN 16
-#define CTC_DBF_SETUP_INDEX 3
+#define CTC_DBF_SETUP_PAGES 8
 #define CTC_DBF_SETUP_NR_AREAS 1
 #define CTC_DBF_SETUP_LEVEL 3
 
 #define CTC_DBF_DATA_NAME "ctc_data"
 #define CTC_DBF_DATA_LEN 128
-#define CTC_DBF_DATA_INDEX 3
+#define CTC_DBF_DATA_PAGES 8
 #define CTC_DBF_DATA_NR_AREAS 1
 #define CTC_DBF_DATA_LEVEL 3
 
 #define CTC_DBF_TRACE_NAME "ctc_trace"
 #define CTC_DBF_TRACE_LEN 16
-#define CTC_DBF_TRACE_INDEX 2
+#define CTC_DBF_TRACE_PAGES 4
 #define CTC_DBF_TRACE_NR_AREAS 2
 #define CTC_DBF_TRACE_LEVEL 3
 
diff --git a/drivers/s390/net/ctctty.c b/drivers/s390/net/ctctty.c
index 3080393e823..968f2c113ef 100644
--- a/drivers/s390/net/ctctty.c
+++ b/drivers/s390/net/ctctty.c
@@ -156,7 +156,7 @@ ctc_tty_readmodem(ctc_tty_info *info)
 					skb_queue_head(&info->rx_queue, skb);
 				else {
 					kfree_skb(skb);
-					ret = skb_queue_len(&info->rx_queue);
+					ret = !skb_queue_empty(&info->rx_queue);
 				}
 			}
 		}
@@ -530,7 +530,7 @@ ctc_tty_write(struct tty_struct *tty, const u_char * buf, int count)
 		total += c;
 		count -= c;
 	}
-	if (skb_queue_len(&info->tx_queue)) {
+	if (!skb_queue_empty(&info->tx_queue)) {
 		info->lsr &= ~UART_LSR_TEMT;
 		tasklet_schedule(&info->tasklet);
 	}
@@ -594,7 +594,7 @@ ctc_tty_flush_chars(struct tty_struct *tty)
 		return;
 	if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_flush_chars"))
 		return;
-	if (tty->stopped || tty->hw_stopped || (!skb_queue_len(&info->tx_queue)))
+	if (tty->stopped || tty->hw_stopped || skb_queue_empty(&info->tx_queue))
 		return;
 	tasklet_schedule(&info->tasklet);
 }
diff --git a/drivers/s390/net/iucv.h b/drivers/s390/net/iucv.h
index 198330217ef..0c4644d3d2f 100644
--- a/drivers/s390/net/iucv.h
+++ b/drivers/s390/net/iucv.h
@@ -37,19 +37,19 @@
  */
 #define IUCV_DBF_SETUP_NAME "iucv_setup"
 #define IUCV_DBF_SETUP_LEN 32
-#define IUCV_DBF_SETUP_INDEX 1
+#define IUCV_DBF_SETUP_PAGES 2
 #define IUCV_DBF_SETUP_NR_AREAS 1
 #define IUCV_DBF_SETUP_LEVEL 3
 
 #define IUCV_DBF_DATA_NAME "iucv_data"
 #define IUCV_DBF_DATA_LEN 128
-#define IUCV_DBF_DATA_INDEX 1
+#define IUCV_DBF_DATA_PAGES 2
 #define IUCV_DBF_DATA_NR_AREAS 1
 #define IUCV_DBF_DATA_LEVEL 2
 
 #define IUCV_DBF_TRACE_NAME "iucv_trace"
 #define IUCV_DBF_TRACE_LEN 16
-#define IUCV_DBF_TRACE_INDEX 2
+#define IUCV_DBF_TRACE_PAGES 4
 #define IUCV_DBF_TRACE_NR_AREAS 1
 #define IUCV_DBF_TRACE_LEVEL 3
 
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index ab086242d30..46f34ba93ac 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -11,7 +11,7 @@
  *			  Frank Pavlic (pavlic@de.ibm.com) and
  *		 	  Martin Schwidefsky <schwidefsky@de.ibm.com>
  *
- *    $Revision: 1.98 $	 $Date: 2005/04/18 13:41:29 $
+ *    $Revision: 1.99 $	 $Date: 2005/05/11 08:10:17 $
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -59,7 +59,7 @@
 /**
  * initialization string for output
  */
-#define VERSION_LCS_C  "$Revision: 1.98 $"
+#define VERSION_LCS_C  "$Revision: 1.99 $"
 
 static char version[] __initdata = "LCS driver ("VERSION_LCS_C "/" VERSION_LCS_H ")";
 static char debug_buffer[255];
@@ -93,8 +93,8 @@ lcs_unregister_debug_facility(void)
 static int
 lcs_register_debug_facility(void)
 {
-	lcs_dbf_setup = debug_register("lcs_setup", 1, 1, 8);
-	lcs_dbf_trace = debug_register("lcs_trace", 1, 2, 8);
+	lcs_dbf_setup = debug_register("lcs_setup", 2, 1, 8);
+	lcs_dbf_trace = debug_register("lcs_trace", 2, 2, 8);
 	if (lcs_dbf_setup == NULL || lcs_dbf_trace == NULL) {
 		PRINT_ERR("Not enough memory for debug facility.\n");
 		lcs_unregister_debug_facility();
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 3fd4fb754b2..69425a7a6e9 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1,5 +1,5 @@
 /*
- * $Id: netiucv.c,v 1.63 2004/07/27 13:36:05 mschwide Exp $
+ * $Id: netiucv.c,v 1.66 2005/05/11 08:10:17 holzheu Exp $
  *
  * IUCV network driver
  *
@@ -30,7 +30,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * RELEASE-TAG: IUCV network driver $Revision: 1.63 $
+ * RELEASE-TAG: IUCV network driver $Revision: 1.66 $
  *
  */
 
@@ -391,15 +391,15 @@ static int
 iucv_register_dbf_views(void)
 {
 	iucv_dbf_setup = debug_register(IUCV_DBF_SETUP_NAME,
-					IUCV_DBF_SETUP_INDEX,
+					IUCV_DBF_SETUP_PAGES,
 					IUCV_DBF_SETUP_NR_AREAS,
 					IUCV_DBF_SETUP_LEN);
 	iucv_dbf_data = debug_register(IUCV_DBF_DATA_NAME,
-				       IUCV_DBF_DATA_INDEX,
+				       IUCV_DBF_DATA_PAGES,
 				       IUCV_DBF_DATA_NR_AREAS,
 				       IUCV_DBF_DATA_LEN);
 	iucv_dbf_trace = debug_register(IUCV_DBF_TRACE_NAME,
-					IUCV_DBF_TRACE_INDEX,
+					IUCV_DBF_TRACE_PAGES,
 					IUCV_DBF_TRACE_NR_AREAS,
 					IUCV_DBF_TRACE_LEN);
 
@@ -2076,7 +2076,7 @@ DRIVER_ATTR(remove, 0200, NULL, remove_write);
 static void
 netiucv_banner(void)
 {
-	char vbuf[] = "$Revision: 1.63 $";
+	char vbuf[] = "$Revision: 1.66 $";
 	char *version = vbuf;
 
 	if ((version = strchr(version, ':'))) {
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index a755b57db46..3a0285669ad 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -42,44 +42,44 @@
  */
 #define QETH_DBF_SETUP_NAME "qeth_setup"
 #define QETH_DBF_SETUP_LEN 8
-#define QETH_DBF_SETUP_INDEX 3
+#define QETH_DBF_SETUP_PAGES 8
 #define QETH_DBF_SETUP_NR_AREAS 1
 #define QETH_DBF_SETUP_LEVEL 5
 
 #define QETH_DBF_MISC_NAME "qeth_misc"
 #define QETH_DBF_MISC_LEN 128
-#define QETH_DBF_MISC_INDEX 1
+#define QETH_DBF_MISC_PAGES 2
 #define QETH_DBF_MISC_NR_AREAS 1
 #define QETH_DBF_MISC_LEVEL 2
 
 #define QETH_DBF_DATA_NAME "qeth_data"
 #define QETH_DBF_DATA_LEN 96
-#define QETH_DBF_DATA_INDEX 3
+#define QETH_DBF_DATA_PAGES 8
 #define QETH_DBF_DATA_NR_AREAS 1
 #define QETH_DBF_DATA_LEVEL 2
 
 #define QETH_DBF_CONTROL_NAME "qeth_control"
 #define QETH_DBF_CONTROL_LEN 256
-#define QETH_DBF_CONTROL_INDEX 3
+#define QETH_DBF_CONTROL_PAGES 8
 #define QETH_DBF_CONTROL_NR_AREAS 2
 #define QETH_DBF_CONTROL_LEVEL 5
 
 #define QETH_DBF_TRACE_NAME "qeth_trace"
 #define QETH_DBF_TRACE_LEN 8
-#define QETH_DBF_TRACE_INDEX 2
+#define QETH_DBF_TRACE_PAGES 4
 #define QETH_DBF_TRACE_NR_AREAS 2
 #define QETH_DBF_TRACE_LEVEL 3
 extern debug_info_t *qeth_dbf_trace;
 
 #define QETH_DBF_SENSE_NAME "qeth_sense"
 #define QETH_DBF_SENSE_LEN 64
-#define QETH_DBF_SENSE_INDEX 1
+#define QETH_DBF_SENSE_PAGES 2
 #define QETH_DBF_SENSE_NR_AREAS 1
 #define QETH_DBF_SENSE_LEVEL 2
 
 #define QETH_DBF_QERR_NAME "qeth_qerr"
 #define QETH_DBF_QERR_LEN 8
-#define QETH_DBF_QERR_INDEX 1
+#define QETH_DBF_QERR_PAGES 2
 #define QETH_DBF_QERR_NR_AREAS 2
 #define QETH_DBF_QERR_LEVEL 2
 
@@ -824,7 +824,7 @@ extern struct list_head qeth_notify_list;
 
 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
 
-inline static __u8
+static inline __u8
 qeth_get_ipa_adp_type(enum qeth_link_types link_type)
 {
 	switch (link_type) {
@@ -835,7 +835,7 @@ qeth_get_ipa_adp_type(enum qeth_link_types link_type)
 	}
 }
 
-inline static int
+static inline int
 qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
 {
 	struct sk_buff *new_skb = NULL;
@@ -852,6 +852,7 @@ qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size)
 	}
 	return 0;
 }
+
 static inline struct sk_buff *
 qeth_pskb_unshare(struct sk_buff *skb, int pri)
 {
@@ -863,8 +864,7 @@ qeth_pskb_unshare(struct sk_buff *skb, int pri)
         return nskb;
 }
 
-
-inline static void *
+static inline void *
 qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size)
 {
         void *hdr;
@@ -887,7 +887,7 @@ qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size)
 }
 
 
-inline static int
+static inline int
 qeth_get_hlen(__u8 link_type)
 {
 #ifdef CONFIG_QETH_IPV6
@@ -911,7 +911,7 @@ qeth_get_hlen(__u8 link_type)
 #endif /* CONFIG_QETH_IPV6 */
 }
 
-inline static unsigned short
+static inline unsigned short
 qeth_get_netdev_flags(struct qeth_card *card)
 {
 	if (card->options.layer2)
@@ -929,7 +929,7 @@ qeth_get_netdev_flags(struct qeth_card *card)
 	}
 }
 
-inline static int
+static inline int
 qeth_get_initial_mtu_for_card(struct qeth_card * card)
 {
 	switch (card->info.type) {
@@ -950,7 +950,7 @@ qeth_get_initial_mtu_for_card(struct qeth_card * card)
 	}
 }
 
-inline static int
+static inline int
 qeth_get_max_mtu_for_card(int cardtype)
 {
 	switch (cardtype) {
@@ -965,7 +965,7 @@ qeth_get_max_mtu_for_card(int cardtype)
 	}
 }
 
-inline static int
+static inline int
 qeth_get_mtu_out_of_mpc(int cardtype)
 {
 	switch (cardtype) {
@@ -976,7 +976,7 @@ qeth_get_mtu_out_of_mpc(int cardtype)
 	}
 }
 
-inline static int
+static inline int
 qeth_get_mtu_outof_framesize(int framesize)
 {
 	switch (framesize) {
@@ -993,7 +993,7 @@ qeth_get_mtu_outof_framesize(int framesize)
 	}
 }
 
-inline static int
+static inline int
 qeth_mtu_is_valid(struct qeth_card * card, int mtu)
 {
 	switch (card->info.type) {
@@ -1008,7 +1008,7 @@ qeth_mtu_is_valid(struct qeth_card * card, int mtu)
 	}
 }
 
-inline static int
+static inline int
 qeth_get_arphdr_type(int cardtype, int linktype)
 {
 	switch (cardtype) {
@@ -1027,7 +1027,7 @@ qeth_get_arphdr_type(int cardtype, int linktype)
 }
 
 #ifdef CONFIG_QETH_PERF_STATS
-inline static int
+static inline int
 qeth_get_micros(void)
 {
 	return (int) (get_clock() >> 12);
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 208127a5033..79c74f3a11f 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -2210,7 +2210,7 @@ no_mem:
 	return NULL;
 }
 
-static inline unsigned short
+static inline __be16
 qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
 	struct qeth_card *card;
@@ -7639,31 +7639,31 @@ static int
 qeth_register_dbf_views(void)
 {
 	qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME,
-					QETH_DBF_SETUP_INDEX,
+					QETH_DBF_SETUP_PAGES,
 					QETH_DBF_SETUP_NR_AREAS,
 					QETH_DBF_SETUP_LEN);
 	qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME,
-				       QETH_DBF_MISC_INDEX,
+				       QETH_DBF_MISC_PAGES,
 				       QETH_DBF_MISC_NR_AREAS,
 				       QETH_DBF_MISC_LEN);
 	qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME,
-				       QETH_DBF_DATA_INDEX,
+				       QETH_DBF_DATA_PAGES,
 				       QETH_DBF_DATA_NR_AREAS,
 				       QETH_DBF_DATA_LEN);
 	qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME,
-					  QETH_DBF_CONTROL_INDEX,
+					  QETH_DBF_CONTROL_PAGES,
 					  QETH_DBF_CONTROL_NR_AREAS,
 					  QETH_DBF_CONTROL_LEN);
 	qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME,
-					QETH_DBF_SENSE_INDEX,
+					QETH_DBF_SENSE_PAGES,
 					QETH_DBF_SENSE_NR_AREAS,
 					QETH_DBF_SENSE_LEN);
 	qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME,
-				       QETH_DBF_QERR_INDEX,
+				       QETH_DBF_QERR_PAGES,
 				       QETH_DBF_QERR_NR_AREAS,
 				       QETH_DBF_QERR_LEN);
 	qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME,
-					QETH_DBF_TRACE_INDEX,
+					QETH_DBF_TRACE_PAGES,
 					QETH_DBF_TRACE_NR_AREAS,
 					QETH_DBF_TRACE_LEN);
 
@@ -8120,20 +8120,22 @@ static struct notifier_block qeth_ip6_notifier = {
 #endif
 
 static int
-qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
+__qeth_reboot_event_card(struct device *dev, void *data)
 {
-
-	struct device *entry;
 	struct qeth_card *card;
 
-	down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
-	       list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices,
-			           driver_list) {
-	               card = (struct qeth_card *) entry->driver_data;
-		       qeth_clear_ip_list(card, 0, 0);
-		       qeth_qdio_clear_card(card, 0);
-	       }
-	up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
+	card = (struct qeth_card *) dev->driver_data;
+	qeth_clear_ip_list(card, 0, 0);
+	qeth_qdio_clear_card(card, 0);
+	return 0;
+}
+
+static int
+qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+
+	driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+			       __qeth_reboot_event_card);
 	return NOTIFY_DONE;
 }
 
diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c
index 04719196fd2..f2ccfea8fdb 100644
--- a/drivers/s390/net/qeth_proc.c
+++ b/drivers/s390/net/qeth_proc.c
@@ -27,23 +27,33 @@ const char *VERSION_QETH_PROC_C = "$Revision: 1.13 $";
 #define QETH_PROCFILE_NAME "qeth"
 static struct proc_dir_entry *qeth_procfile;
 
+static int
+qeth_procfile_seq_match(struct device *dev, void *data)
+{
+	return 1;
+}
+
 static void *
 qeth_procfile_seq_start(struct seq_file *s, loff_t *offset)
 {
-	struct list_head *next_card = NULL;
-	int i = 0;
+	struct device *dev;
+	loff_t nr;
 
 	down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
 
-	if (*offset == 0)
+	nr = *offset;
+	if (nr == 0)
 		return SEQ_START_TOKEN;
 
-	/* get card at pos *offset */
-	list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices)
-		if (++i == *offset)
-			return next_card;
+	dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL,
+				 NULL, qeth_procfile_seq_match);
 
-	return NULL;
+	/* get card at pos *offset */
+	nr = *offset;
+	while (nr-- > 1 && dev)
+		dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev,
+					 NULL, qeth_procfile_seq_match);
+	return (void *) dev;
 }
 
 static void
@@ -55,23 +65,21 @@ qeth_procfile_seq_stop(struct seq_file *s, void* it)
 static void *
 qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
 {
-	struct list_head *next_card = NULL;
-	struct list_head *current_card;
+	struct device *prev, *next;
 
 	if (it == SEQ_START_TOKEN) {
-		next_card = qeth_ccwgroup_driver.driver.devices.next;
-		if (next_card->next == next_card) /* list empty */
-			return NULL;
-		(*offset)++;
-	} else {
-		current_card = (struct list_head *)it;
-		if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
-			return NULL; /* end of list reached */
-		next_card = current_card->next;
-		(*offset)++;
+		next = driver_find_device(&qeth_ccwgroup_driver.driver,
+					  NULL, NULL, qeth_procfile_seq_match);
+		if (next)
+			(*offset)++;
+		return (void *) next;
 	}
-
-	return next_card;
+	prev = (struct device *) it;
+	next = driver_find_device(&qeth_ccwgroup_driver.driver,
+				  prev, NULL, qeth_procfile_seq_match);
+	if (next)
+		(*offset)++;
+	return (void *) next;
 }
 
 static inline const char *
@@ -126,7 +134,7 @@ qeth_procfile_seq_show(struct seq_file *s, void *it)
 			      "-------------- ---- ------ ---------- ---- "
 			      "---- ----- -----\n");
 	} else {
-		device = list_entry(it, struct device, driver_list);
+		device = (struct device *) it;
 		card = device->driver_data;
 		seq_printf(s, "%s/%s/%s x%02X   %-10s %-14s %-4i ",
 				CARD_RDEV_ID(card),
@@ -180,17 +188,20 @@ static struct proc_dir_entry *qeth_perf_procfile;
 static void *
 qeth_perf_procfile_seq_start(struct seq_file *s, loff_t *offset)
 {
-	struct list_head *next_card = NULL;
-	int i = 0;
+	struct device *dev = NULL;
+	int nr;
 
 	down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
 	/* get card at pos *offset */
-	list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){
-		if (i == *offset)
-			return next_card;
-		i++;
-	}
-	return NULL;
+	dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+				 qeth_procfile_seq_match);
+
+	/* get card at pos *offset */
+	nr = *offset;
+	while (nr-- > 1 && dev)
+		dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev,
+					 NULL, qeth_procfile_seq_match);
+	return (void *) dev;
 }
 
 static void
@@ -202,12 +213,14 @@ qeth_perf_procfile_seq_stop(struct seq_file *s, void* it)
 static void *
 qeth_perf_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
 {
-	struct list_head *current_card = (struct list_head *)it;
+	struct device *prev, *next;
 
-	if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
-		return NULL; /* end of list reached */
-	(*offset)++;
-	return current_card->next;
+	prev = (struct device *) it;
+	next = driver_find_device(&qeth_ccwgroup_driver.driver, prev,
+				  NULL, qeth_procfile_seq_match);
+	if (next)
+		(*offset)++;
+	return (void *) next;
 }
 
 static int
@@ -216,7 +229,7 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it)
 	struct device *device;
 	struct qeth_card *card;
 
-	device = list_entry(it, struct device, driver_list);
+	device = (struct device *) it;
 	card = device->driver_data;
 	seq_printf(s, "For card with devnos %s/%s/%s (%s):\n",
 			CARD_RDEV_ID(card),
@@ -318,8 +331,8 @@ static struct proc_dir_entry *qeth_ipato_procfile;
 static void *
 qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset)
 {
-	struct list_head *next_card = NULL;
-	int i = 0;
+	struct device *dev;
+	loff_t nr;
 
 	down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
 	/* TODO: finish this */
@@ -328,13 +341,16 @@ qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset)
 	 * output driver settings then;
 	 * else output setting for respective card
 	 */
+
+	dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+				 qeth_procfile_seq_match);
+
 	/* get card at pos *offset */
-	list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){
-		if (i == *offset)
-			return next_card;
-		i++;
-	}
-	return NULL;
+	nr = *offset;
+	while (nr-- > 1 && dev)
+		dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev,
+					 NULL, qeth_procfile_seq_match);
+	return (void *) dev;
 }
 
 static void
@@ -346,18 +362,14 @@ qeth_ipato_procfile_seq_stop(struct seq_file *s, void* it)
 static void *
 qeth_ipato_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
 {
-	struct list_head *current_card = (struct list_head *)it;
+	struct device *prev, *next;
 
-	/* TODO: finish this */
-	/*
-	 * maybe SEQ_SATRT_TOKEN can be returned for offset 0
-	 * output driver settings then;
-	 * else output setting for respective card
-	 */
-	if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
-		return NULL; /* end of list reached */
-	(*offset)++;
-	return current_card->next;
+	prev = (struct device *) it;
+	next = driver_find_device(&qeth_ccwgroup_driver.driver, prev,
+				  NULL, qeth_procfile_seq_match);
+	if (next)
+		(*offset)++;
+	return (void *) next;
 }
 
 static int
@@ -372,7 +384,7 @@ qeth_ipato_procfile_seq_show(struct seq_file *s, void *it)
 	 * output driver settings then;
 	 * else output setting for respective card
 	 */
-	device = list_entry(it, struct device, driver_list);
+	device = (struct device *) it;
 	card = device->driver_data;
 
 	return 0;
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 1e3f7f3c662..d6469baa7e1 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -138,7 +138,7 @@ static void __exit
 smsg_exit(void)
 {
 	if (smsg_handle > 0) {
-		cpcmd("SET SMSG OFF", 0, 0);
+		cpcmd("SET SMSG OFF", NULL, 0, NULL);
 		iucv_sever(smsg_pathid, 0);
 		iucv_unregister_program(smsg_handle);
 		driver_unregister(&smsg_driver);
@@ -177,7 +177,7 @@ smsg_init(void)
 		smsg_handle = 0;
 		return -EIO;
 	}
-	cpcmd("SET SMSG IUCV", 0, 0);
+	cpcmd("SET SMSG IUCV", NULL, 0, NULL);
 	return 0;
 }
 
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index ffa996c8a90..5bb255e02ac 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -31,14 +31,14 @@ extern void css_reiterate_subchannels(void);
 extern struct workqueue_struct *slow_path_wq;
 extern struct work_struct slow_path_work;
 
-static void
+static NORET_TYPE void
 s390_handle_damage(char *msg)
 {
-	printk(KERN_EMERG "%s\n", msg);
 #ifdef CONFIG_SMP
 	smp_send_stop();
 #endif
 	disabled_wait((unsigned long) __builtin_return_address(0));
+	for(;;);
 }
 
 /*
@@ -122,40 +122,39 @@ 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);
+
 /*
- * machine check handler.
+ * Main machine check handler function. Will be called with interrupts enabled
+ * or disabled and machine checks enabled or disabled.
  */
 void
-s390_do_machine_check(void)
+s390_handle_mcck(void)
 {
-	struct mci *mci;
-
-	mci = (struct mci *) &S390_lowcore.mcck_interruption_code;
+	unsigned long flags;
+	struct mcck_struct mcck;
 
-	if (mci->sd)		/* system damage */
-		s390_handle_damage("received system damage machine check\n");
+	/*
+	 * 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 (mci->pd)		/* instruction processing damage */
-		s390_handle_damage("received instruction processing "
-				   "damage machine check\n");
-
-	if (mci->se)		/* storage error uncorrected */
-		s390_handle_damage("received storage error uncorrected "
-				   "machine check\n");
-
-	if (mci->sc)		/* storage error corrected */
-		printk(KERN_WARNING
-		       "received storage error corrected machine check\n");
-
-	if (mci->ke)		/* storage key-error uncorrected */
-		s390_handle_damage("received storage key-error uncorrected "
-				   "machine check\n");
-
-	if (mci->ds && mci->fa)	/* storage degradation */
-		s390_handle_damage("received storage degradation machine "
-				   "check\n");
-
-	if (mci->cp)		/* channel report word pending */
+	if (mcck.channel_report)
 		up(&m_sem);
 
 #ifdef CONFIG_MACHCHK_WARNING
@@ -168,7 +167,7 @@ s390_do_machine_check(void)
  * On VM we only get one interrupt per virtally presented machinecheck.
  * Though one suffices, we may get one interrupt per (virtual) processor.
  */
-	if (mci->w) {	/* WARNING pending ? */
+	if (mcck.warning) {	/* WARNING pending ? */
 		static int mchchk_wng_posted = 0;
 		/*
 		 * Use single machine clear, as we cannot handle smp right now
@@ -178,6 +177,261 @@ s390_do_machine_check(void)
 			kill_proc(1, 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);
+	}
+}
+
+/*
+ * 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 __s390x__
+	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 __s390x__
+		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));
+			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 __s390x__
+		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 __s390x__
+	/*
+	 * 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;
+}
+
+/*
+ * machine check handler.
+ */
+void
+s390_do_machine_check(struct pt_regs *regs)
+{
+	struct mci *mci;
+	struct mcck_struct *mcck;
+	int umode;
+
+	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 __s390x__
+			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.");
+			}
+			if (!umode)
+				s390_handle_damage("processing backup machine "
+						   "check in kernel mode.");
+			mcck->kill_task = 1;
+			mcck->mcck_code = *(unsigned long long *) mci;
+		}
+		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->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);
+	}
 }
 
 /*
@@ -189,9 +443,8 @@ static int
 machine_check_init(void)
 {
 	init_MUTEX_LOCKED(&m_sem);
-	ctl_clear_bit(14, 25);	/* disable damage MCH */
-	ctl_set_bit(14, 26);	/* enable degradation MCH */
-	ctl_set_bit(14, 27);	/* enable system recovery MCH */
+	ctl_clear_bit(14, 25);	/* disable 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
diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h
index 7e26f0f1b0d..4eaa7017918 100644
--- a/drivers/s390/s390mach.h
+++ b/drivers/s390/s390mach.h
@@ -16,20 +16,45 @@ 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 :  4; /* 03-06 */
+	__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   to_be_defined_2 :  6; /* 10-15 */
+	__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	to_be_defined_3 :  4; /* 20-23 */
+	__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_4 :  7; /* 25-31 */
+	__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	to_be_defined_5 : 31; /* 33-63 */
+	__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 */
 };
 
 /*
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index e17b4d58a9f..bfe3ba73bc0 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1299,13 +1299,10 @@ struct zfcp_port *
 zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status,
 		  u32 d_id)
 {
-	struct zfcp_port *port, *tmp_port;
+	struct zfcp_port *port;
 	int check_wwpn;
-	scsi_id_t scsi_id;
-	int found;
 
 	check_wwpn = !(status & ZFCP_STATUS_PORT_NO_WWPN);
-
 	/*
 	 * check that there is no port with this WWPN already in list
 	 */
@@ -1368,7 +1365,7 @@ zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status,
 	} else {
 		snprintf(port->sysfs_device.bus_id,
 			 BUS_ID_SIZE, "0x%016llx", wwpn);
-	port->sysfs_device.parent = &adapter->ccw_device->dev;
+		port->sysfs_device.parent = &adapter->ccw_device->dev;
 	}
 	port->sysfs_device.release = zfcp_sysfs_port_release;
 	dev_set_drvdata(&port->sysfs_device, port);
@@ -1388,24 +1385,8 @@ zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status,
 
 	zfcp_port_get(port);
 
-	scsi_id = 1;
-	found = 0;
 	write_lock_irq(&zfcp_data.config_lock);
-	list_for_each_entry(tmp_port, &adapter->port_list_head, list) {
-		if (atomic_test_mask(ZFCP_STATUS_PORT_NO_SCSI_ID,
-				     &tmp_port->status))
-			continue;
-		if (tmp_port->scsi_id != scsi_id) {
-			found = 1;
-			break;
-		}
-		scsi_id++;
-	}
-	port->scsi_id = scsi_id;
-	if (found)
-		list_add_tail(&port->list, &tmp_port->list);
-	else
-		list_add_tail(&port->list, &adapter->port_list_head);
+	list_add_tail(&port->list, &adapter->port_list_head);
 	atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status);
 	atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &port->status);
 	if (d_id == ZFCP_DID_DIRECTORY_SERVICE)
@@ -1427,6 +1408,9 @@ zfcp_port_dequeue(struct zfcp_port *port)
 	list_del(&port->list);
 	port->adapter->ports--;
 	write_unlock_irq(&zfcp_data.config_lock);
+	if (port->rport)
+		fc_remote_port_delete(port->rport);
+	port->rport = NULL;
 	zfcp_adapter_put(port->adapter);
 	zfcp_sysfs_port_remove_files(&port->sysfs_device,
 				     atomic_read(&port->status));
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 0fc46381fc2..b30abab77da 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -202,9 +202,19 @@ static int
 zfcp_ccw_set_offline(struct ccw_device *ccw_device)
 {
 	struct zfcp_adapter *adapter;
+	struct zfcp_port *port;
+	struct fc_rport *rport;
 
 	down(&zfcp_data.config_sema);
 	adapter = dev_get_drvdata(&ccw_device->dev);
+	/* might be racy, but we cannot take config_lock due to the fact that
+	   fc_remote_port_delete might sleep */
+	list_for_each_entry(port, &adapter->port_list_head, list)
+		if (port->rport) {
+			rport = port->rport;
+			port->rport = NULL;
+			fc_remote_port_delete(rport);
+		}
 	zfcp_erp_adapter_shutdown(adapter, 0);
 	zfcp_erp_wait(adapter);
 	zfcp_adapter_scsi_unregister(adapter);
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 4103b5be768..455e902533a 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -906,6 +906,7 @@ struct zfcp_adapter {
  */
 struct zfcp_port {
 	struct device          sysfs_device;   /* sysfs device */
+	struct fc_rport        *rport;         /* rport of fc transport class */
 	struct list_head       list;	       /* list of remote ports */
 	atomic_t               refcount;       /* reference count */
 	wait_queue_head_t      remove_wq;      /* can be used to wait for
@@ -916,7 +917,6 @@ struct zfcp_port {
 						  list */
 	u32		       units;	       /* # of logical units in list */
 	atomic_t	       status;	       /* status of this remote port */
-	scsi_id_t	       scsi_id;	       /* own SCSI ID */
 	wwn_t		       wwnn;	       /* WWNN if known */
 	wwn_t		       wwpn;	       /* WWPN */
 	fc_id_t		       d_id;	       /* D_ID */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 0cf31f7d1c0..cb4f612550b 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -3360,13 +3360,32 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter,
 		if ((result == ZFCP_ERP_SUCCEEDED)
 		    && (!atomic_test_mask(ZFCP_STATUS_UNIT_TEMPORARY,
 					  &unit->status))
-		    && (!unit->device))
- 			scsi_add_device(unit->port->adapter->scsi_host, 0,
- 					unit->port->scsi_id, unit->scsi_lun);
+		    && !unit->device
+		    && port->rport)
+ 			scsi_add_device(port->adapter->scsi_host, 0,
+ 					port->rport->scsi_target_id,
+					unit->scsi_lun);
 		zfcp_unit_put(unit);
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
+		if ((result == ZFCP_ERP_SUCCEEDED)
+		    && !atomic_test_mask(ZFCP_STATUS_PORT_NO_WWPN,
+					 &port->status)
+		    && !port->rport) {
+			struct fc_rport_identifiers ids;
+			ids.node_name = port->wwnn;
+			ids.port_name = port->wwpn;
+			ids.port_id = port->d_id;
+			ids.roles = FC_RPORT_ROLE_FCP_TARGET;
+			port->rport =
+				fc_remote_port_add(adapter->scsi_host, 0, &ids);
+			if (!port->rport)
+				ZFCP_LOG_NORMAL("failed registration of rport"
+						"(adapter %s, wwpn=0x%016Lx)\n",
+						zfcp_get_busid_by_port(port),
+						port->wwpn);
+		}
 		zfcp_port_put(port);
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 42df7e57eea..cd98a2de9f8 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -143,6 +143,8 @@ extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *,
 				   struct scsi_cmnd *, struct timer_list *);
 extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *,
 				  struct timer_list *);
+extern void zfcp_set_fc_host_attrs(struct zfcp_adapter *);
+extern void zfcp_set_fc_rport_attrs(struct zfcp_port *);
 extern struct scsi_transport_template *zfcp_transport_template;
 extern struct fc_function_template zfcp_transport_functions;
 
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 0d9f20edc49..c007b6424e7 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -2062,6 +2062,7 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
 		zfcp_erp_adapter_shutdown(adapter, 0);
 		return -EIO;
 	}
+	zfcp_set_fc_host_attrs(adapter);
 	return 0;
 }
 
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index b61d309352c..31a76065cf2 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -389,7 +389,7 @@ zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id,
 	struct zfcp_unit *unit, *retval = NULL;
 
 	list_for_each_entry(port, &adapter->port_list_head, list) {
-		if (id != port->scsi_id)
+		if (!port->rport || (id != port->rport->scsi_target_id))
 			continue;
 		list_for_each_entry(unit, &port->unit_list_head, list) {
 			if (lun == unit->scsi_lun) {
@@ -408,7 +408,7 @@ zfcp_port_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id)
 	struct zfcp_port *port;
 
 	list_for_each_entry(port, &adapter->port_list_head, list) {
-		if (id == port->scsi_id)
+		if (port->rport && (id == port->rport->scsi_target_id))
 			return port;
 	}
 	return (struct zfcp_port *) NULL;
@@ -634,7 +634,6 @@ zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
 {
 	int retval;
 	struct zfcp_unit *unit = (struct zfcp_unit *) scpnt->device->hostdata;
-	struct Scsi_Host *scsi_host = scpnt->device->host;
 
 	if (!unit) {
 		ZFCP_LOG_NORMAL("bug: Tried reset for nonexistent unit\n");
@@ -729,7 +728,6 @@ zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *scpnt)
 {
 	int retval = 0;
 	struct zfcp_unit *unit;
-	struct Scsi_Host *scsi_host = scpnt->device->host;
 
 	unit = (struct zfcp_unit *) scpnt->device->hostdata;
 	ZFCP_LOG_NORMAL("bus reset because of problems with "
@@ -753,7 +751,6 @@ zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
 {
 	int retval = 0;
 	struct zfcp_unit *unit;
-	struct Scsi_Host *scsi_host = scpnt->device->host;
 
 	unit = (struct zfcp_unit *) scpnt->device->hostdata;
 	ZFCP_LOG_NORMAL("host reset because of problems with "
@@ -833,6 +830,7 @@ zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
 	shost = adapter->scsi_host;
 	if (!shost)
 		return;
+	fc_remove_host(shost);
 	scsi_remove_host(shost);
 	scsi_host_put(shost);
 	adapter->scsi_host = NULL;
@@ -906,6 +904,18 @@ zfcp_get_node_name(struct scsi_target *starget)
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 }
 
+void
+zfcp_set_fc_host_attrs(struct zfcp_adapter *adapter)
+{
+	struct Scsi_Host *shost = adapter->scsi_host;
+
+	fc_host_node_name(shost) = adapter->wwnn;
+	fc_host_port_name(shost) = adapter->wwpn;
+	strncpy(fc_host_serial_number(shost), adapter->serial_number,
+                min(FC_SERIAL_NUMBER_SIZE, 32));
+	fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
+}
+
 struct fc_function_template zfcp_transport_functions = {
 	.get_starget_port_id = zfcp_get_port_id,
 	.get_starget_port_name = zfcp_get_port_name,
@@ -913,6 +923,11 @@ struct fc_function_template zfcp_transport_functions = {
 	.show_starget_port_id = 1,
 	.show_starget_port_name = 1,
 	.show_starget_node_name = 1,
+	.show_rport_supported_classes = 1,
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+	.show_host_serial_number = 1,
 };
 
 /**
diff --git a/drivers/s390/scsi/zfcp_sysfs_port.c b/drivers/s390/scsi/zfcp_sysfs_port.c
index 7a84c7d474d..c55e82d91de 100644
--- a/drivers/s390/scsi/zfcp_sysfs_port.c
+++ b/drivers/s390/scsi/zfcp_sysfs_port.c
@@ -67,7 +67,6 @@ static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_port_##_name##_show, NULL);
 ZFCP_DEFINE_PORT_ATTR(status, "0x%08x\n", atomic_read(&port->status));
 ZFCP_DEFINE_PORT_ATTR(wwnn, "0x%016llx\n", port->wwnn);
 ZFCP_DEFINE_PORT_ATTR(d_id, "0x%06x\n", port->d_id);
-ZFCP_DEFINE_PORT_ATTR(scsi_id, "0x%x\n", port->scsi_id);
 ZFCP_DEFINE_PORT_ATTR(in_recovery, "%d\n", atomic_test_mask
 		      (ZFCP_STATUS_COMMON_ERP_INUSE, &port->status));
 ZFCP_DEFINE_PORT_ATTR(access_denied, "%d\n", atomic_test_mask
@@ -263,7 +262,6 @@ static struct attribute_group zfcp_port_common_attr_group = {
 static struct attribute *zfcp_port_no_ns_attrs[] = {
 	&dev_attr_unit_add.attr,
 	&dev_attr_unit_remove.attr,
-	&dev_attr_scsi_id.attr,
 	NULL
 };