Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

33 files changed, 835 insertions, 281 deletions

diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
index 5a888704a8d0..4f4e7cf105d4 100644
--- a/drivers/s390/Makefile
+++ b/drivers/s390/Makefile
@@ -5,7 +5,7 @@
 CFLAGS_sysinfo.o += -Iinclude/math-emu -Iarch/s390/math-emu -w
 
 obj-y += s390mach.o sysinfo.o s390_rdev.o
-obj-y += cio/ block/ char/ crypto/ net/ scsi/
+obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/
 
 drivers-y += drivers/s390/built-in.o
 
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 556063e8f7a9..03c0e40a92ff 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -157,6 +157,7 @@ static int dasd_devices_open(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations dasd_devices_file_ops = {
+        .owner          = THIS_MODULE,
         .open           = dasd_devices_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
@@ -311,17 +312,16 @@ out_error:
 int
 dasd_proc_init(void)
 {
-        dasd_proc_root_entry = proc_mkdir("dasd", &proc_root);
+        dasd_proc_root_entry = proc_mkdir("dasd", NULL);
         if (!dasd_proc_root_entry)
                 goto out_nodasd;
         dasd_proc_root_entry->owner = THIS_MODULE;
-        dasd_devices_entry = create_proc_entry("devices",
-                                               S_IFREG | S_IRUGO | S_IWUSR,
-                                               dasd_proc_root_entry);
+        dasd_devices_entry = proc_create("devices",
+                                         S_IFREG | S_IRUGO | S_IWUSR,
+                                         dasd_proc_root_entry,
+                                         &dasd_devices_file_ops);
         if (!dasd_devices_entry)
                 goto out_nodevices;
-        dasd_devices_entry->proc_fops = &dasd_devices_file_ops;
-        dasd_devices_entry->owner = THIS_MODULE;
         dasd_statistics_entry = create_proc_entry("statistics",
                                                   S_IFREG | S_IRUGO | S_IWUSR,
                                                   dasd_proc_root_entry);
@@ -335,7 +335,7 @@ dasd_proc_init(void)
  out_nostatistics:
         remove_proc_entry("devices", dasd_proc_root_entry);
  out_nodevices:
-        remove_proc_entry("dasd", &proc_root);
+        remove_proc_entry("dasd", NULL);
  out_nodasd:
         return -ENOENT;
 }
@@ -345,5 +345,5 @@ dasd_proc_exit(void)
 {
         remove_proc_entry("devices", dasd_proc_root_entry);
         remove_proc_entry("statistics", dasd_proc_root_entry);
-        remove_proc_entry("dasd", &proc_root);
+        remove_proc_entry("dasd", NULL);
 }
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 04787eab1016..bb52d2fbac18 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -36,7 +36,7 @@ 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);
+                                 void **kaddr, unsigned long *pfn);
 
 static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
 
@@ -636,7 +636,7 @@ fail:
 
 static int
 dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
-                        unsigned long *data)
+                        void **kaddr, unsigned long *pfn)
 {
         struct dcssblk_dev_info *dev_info;
         unsigned long pgoff;
@@ -649,7 +649,9 @@ dcssblk_direct_access (struct block_device *bdev, sector_t secnum,
         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);
+        *kaddr = (void *) (dev_info->start+pgoff*PAGE_SIZE);
+        *pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT;
+
         return 0;
 }
 
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 0e1f35c9ed9d..3e5653c92f4b 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -982,15 +982,16 @@ tty3215_write(struct tty_struct * tty,
 /*
  * Put character routine for 3215 ttys
  */
-static void
+static int
 tty3215_put_char(struct tty_struct *tty, unsigned char ch)
 {
         struct raw3215_info *raw;
 
         if (!tty)
-                return;
+                return 0;
         raw = (struct raw3215_info *) tty->driver_data;
         raw3215_putchar(raw, ch);
+        return 1;
 }
 
 static void
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c
index b8f35bc52b7b..9e784d5f7f57 100644
--- a/drivers/s390/char/sclp_config.c
+++ b/drivers/s390/char/sclp_config.c
@@ -10,6 +10,7 @@
 #include <linux/cpu.h>
 #include <linux/sysdev.h>
 #include <linux/workqueue.h>
+#include <asm/smp.h>
 #include "sclp.h"
 
 #define TAG     "sclp_config: "
@@ -19,9 +20,11 @@ struct conf_mgm_data {
         u8 ev_qualifier;
 } __attribute__((packed));
 
+#define EV_QUAL_CPU_CHANGE      1
 #define EV_QUAL_CAP_CHANGE      3
 
 static struct work_struct sclp_cpu_capability_work;
+static struct work_struct sclp_cpu_change_work;
 
 static void sclp_cpu_capability_notify(struct work_struct *work)
 {
@@ -37,13 +40,24 @@ static void sclp_cpu_capability_notify(struct work_struct *work)
         put_online_cpus();
 }
 
+static void sclp_cpu_change_notify(struct work_struct *work)
+{
+        smp_rescan_cpus();
+}
+
 static void sclp_conf_receiver_fn(struct evbuf_header *evbuf)
 {
         struct conf_mgm_data *cdata;
 
         cdata = (struct conf_mgm_data *)(evbuf + 1);
-        if (cdata->ev_qualifier == EV_QUAL_CAP_CHANGE)
+        switch (cdata->ev_qualifier) {
+        case EV_QUAL_CPU_CHANGE:
+                schedule_work(&sclp_cpu_change_work);
+                break;
+        case EV_QUAL_CAP_CHANGE:
                 schedule_work(&sclp_cpu_capability_work);
+                break;
+        }
 }
 
 static struct sclp_register sclp_conf_register =
@@ -57,6 +71,7 @@ static int __init sclp_conf_init(void)
         int rc;
 
         INIT_WORK(&sclp_cpu_capability_work, sclp_cpu_capability_notify);
+        INIT_WORK(&sclp_cpu_change_work, sclp_cpu_change_notify);
 
         rc = sclp_register(&sclp_conf_register);
         if (rc) {
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index e3b3d390b4a3..40b11521cd20 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -412,14 +412,14 @@ sclp_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
  * - including previous characters from sclp_tty_put_char() and strings from
  * sclp_write() without final '\n' - will be written.
  */
-static void
+static int
 sclp_tty_put_char(struct tty_struct *tty, unsigned char ch)
 {
         sclp_tty_chars[sclp_tty_chars_count++] = ch;
         if (ch == '\n' || sclp_tty_chars_count >= SCLP_TTY_BUF_SIZE) {
                 sclp_tty_write_string(sclp_tty_chars, sclp_tty_chars_count);
                 sclp_tty_chars_count = 0;
-        }
+        } return 1;
 }
 
 /*
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index ed507594e62b..35707c04e613 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -524,11 +524,15 @@ sclp_vt220_close(struct tty_struct *tty, struct file *filp)
  * NOTE: include/linux/tty_driver.h specifies that a character should be
  * ignored if there is no room in the queue. This driver implements a different
  * semantic in that it will block when there is no more room left.
+ *
+ * FIXME: putchar can currently be called from BH and other non blocking
+ * handlers so  this semantic isn't a good idea.
  */
-static void
+static int
 sclp_vt220_put_char(struct tty_struct *tty, unsigned char ch)
 {
         __sclp_vt220_write(&ch, 1, 0, 0, 1);
+        return 1;
 }
 
 /*
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index c9b96d51b28f..e7c888c14e71 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -111,6 +111,7 @@ static int tape_proc_open(struct inode *inode, struct file *file)
 
 static const struct file_operations tape_proc_ops =
 {
+        .owner          = THIS_MODULE,
         .open           = tape_proc_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
@@ -124,14 +125,12 @@ void
 tape_proc_init(void)
 {
         tape_proc_devices =
-                create_proc_entry ("tapedevices", S_IFREG | S_IRUGO | S_IWUSR,
-                                   &proc_root);
+                proc_create("tapedevices", S_IFREG | S_IRUGO | S_IWUSR, NULL,
+                            &tape_proc_ops);
         if (tape_proc_devices == NULL) {
                 PRINT_WARN("tape: Cannot register procfs entry tapedevices\n");
                 return;
         }
-        tape_proc_devices->proc_fops = &tape_proc_ops;
-        tape_proc_devices->owner = THIS_MODULE;
 }
 
 /*
@@ -141,5 +140,5 @@ void
 tape_proc_cleanup(void)
 {
         if (tape_proc_devices != NULL)
-                remove_proc_entry ("tapedevices", &proc_root);
+                remove_proc_entry ("tapedevices", NULL);
 }
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 70b1980a08b6..c1f2adefad41 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -965,7 +965,7 @@ tty3270_write_room(struct tty_struct *tty)
  * Insert character into the screen at the current position with the
  * current color and highlight. This function does NOT do cursor movement.
  */
-static void
+static int
 tty3270_put_character(struct tty3270 *tp, char ch)
 {
         struct tty3270_line *line;
@@ -986,6 +986,7 @@ tty3270_put_character(struct tty3270 *tp, char ch)
         cell->character = tp->view.ascebc[(unsigned int) ch];
         cell->highlight = tp->highlight;
         cell->f_color = tp->f_color;
+        return 1;
 }
 
 /*
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index e8597ec92247..40ef948fcb3a 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -374,13 +374,10 @@ cio_ignore_proc_init (void)
 {
         struct proc_dir_entry *entry;
 
-        entry = create_proc_entry ("cio_ignore", S_IFREG | S_IRUGO | S_IWUSR,
-                                   &proc_root);
+        entry = proc_create("cio_ignore", S_IFREG | S_IRUGO | S_IWUSR, NULL,
+                            &cio_ignore_proc_fops);
         if (!entry)
                 return -ENOENT;
-
-        entry->proc_fops = &cio_ignore_proc_fops;
-
         return 0;
 }
 
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index fe1ad1722158..26a930e832bd 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -152,44 +152,89 @@ __ccwgroup_create_symlinks(struct ccwgroup_device *gdev)
         return 0;
 }
 
+static int __get_next_bus_id(const char **buf, char *bus_id)
+{
+        int rc, len;
+        char *start, *end;
+
+        start = (char *)*buf;
+        end = strchr(start, ',');
+        if (!end) {
+                /* Last entry. Strip trailing newline, if applicable. */
+                end = strchr(start, '\n');
+                if (end)
+                        *end = '\0';
+                len = strlen(start) + 1;
+        } else {
+                len = end - start + 1;
+                end++;
+        }
+        if (len < BUS_ID_SIZE) {
+                strlcpy(bus_id, start, len);
+                rc = 0;
+        } else
+                rc = -EINVAL;
+        *buf = end;
+        return rc;
+}
+
+static int __is_valid_bus_id(char bus_id[BUS_ID_SIZE])
+{
+        int cssid, ssid, devno;
+
+        /* Must be of form %x.%x.%04x */
+        if (sscanf(bus_id, "%x.%1x.%04x", &cssid, &ssid, &devno) != 3)
+                return 0;
+        return 1;
+}
+
 /**
- * ccwgroup_create() - create and register a ccw group device
+ * ccwgroup_create_from_string() - create and register a ccw group device
  * @root: parent device for the new device
  * @creator_id: identifier of creating driver
  * @cdrv: ccw driver of slave devices
- * @argc: number of slave devices
- * @argv: bus ids of slave devices
+ * @num_devices: number of slave devices
+ * @buf: buffer containing comma separated bus ids of slave devices
  *
  * Create and register a new ccw group device as a child of @root. Slave
- * devices are obtained from the list of bus ids given in @argv[] and must all
+ * devices are obtained from the list of bus ids given in @buf and must all
  * belong to @cdrv.
  * Returns:
  *  %0 on success and an error code on failure.
  * Context:
  *  non-atomic
  */
-int ccwgroup_create(struct device *root, unsigned int creator_id,
-                    struct ccw_driver *cdrv, int argc, char *argv[])
+int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
+                                struct ccw_driver *cdrv, int num_devices,
+                                const char *buf)
 {
         struct ccwgroup_device *gdev;
-        int i;
-        int rc;
+        int rc, i;
+        char tmp_bus_id[BUS_ID_SIZE];
+        const char *curr_buf;
 
-        if (argc > 256) /* disallow dumb users */
-                return -EINVAL;
-
-        gdev = kzalloc(sizeof(*gdev) + argc*sizeof(gdev->cdev[0]), GFP_KERNEL);
+        gdev = kzalloc(sizeof(*gdev) + num_devices * sizeof(gdev->cdev[0]),
+                       GFP_KERNEL);
         if (!gdev)
                 return -ENOMEM;
 
         atomic_set(&gdev->onoff, 0);
         mutex_init(&gdev->reg_mutex);
         mutex_lock(&gdev->reg_mutex);
-        for (i = 0; i < argc; i++) {
-                gdev->cdev[i] = get_ccwdev_by_busid(cdrv, argv[i]);
-
-                /* all devices have to be of the same type in
-                 * order to be grouped */
+        curr_buf = buf;
+        for (i = 0; i < num_devices && curr_buf; i++) {
+                rc = __get_next_bus_id(&curr_buf, tmp_bus_id);
+                if (rc != 0)
+                        goto error;
+                if (!__is_valid_bus_id(tmp_bus_id)) {
+                        rc = -EINVAL;
+                        goto error;
+                }
+                gdev->cdev[i] = get_ccwdev_by_busid(cdrv, tmp_bus_id);
+                /*
+                 * All devices have to be of the same type in
+                 * order to be grouped.
+                 */
                 if (!gdev->cdev[i]
                     || gdev->cdev[i]->id.driver_info !=
                     gdev->cdev[0]->id.driver_info) {
@@ -203,9 +248,18 @@ int ccwgroup_create(struct device *root, unsigned int creator_id,
                 }
                 dev_set_drvdata(&gdev->cdev[i]->dev, gdev);
         }
-
+        /* Check for sufficient number of bus ids. */
+        if (i < num_devices && !curr_buf) {
+                rc = -EINVAL;
+                goto error;
+        }
+        /* Check for trailing stuff. */
+        if (i == num_devices && strlen(curr_buf) > 0) {
+                rc = -EINVAL;
+                goto error;
+        }
         gdev->creator_id = creator_id;
-        gdev->count = argc;
+        gdev->count = num_devices;
         gdev->dev.bus = &ccwgroup_bus_type;
         gdev->dev.parent = root;
         gdev->dev.release = ccwgroup_release;
@@ -233,7 +287,7 @@ int ccwgroup_create(struct device *root, unsigned int creator_id,
         device_remove_file(&gdev->dev, &dev_attr_ungroup);
         device_unregister(&gdev->dev);
 error:
-        for (i = 0; i < argc; i++)
+        for (i = 0; i < num_devices; i++)
                 if (gdev->cdev[i]) {
                         if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
                                 dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
@@ -243,6 +297,7 @@ error:
         put_device(&gdev->dev);
         return rc;
 }
+EXPORT_SYMBOL(ccwgroup_create_from_string);
 
 static int __init
 init_ccwgroup (void)
@@ -318,7 +373,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
 {
         struct ccwgroup_device *gdev;
         struct ccwgroup_driver *gdrv;
-        unsigned int value;
+        unsigned long value;
         int ret;
 
         gdev = to_ccwgroupdev(dev);
@@ -329,7 +384,9 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
         if (!try_module_get(gdrv->owner))
                 return -EINVAL;
 
-        value = simple_strtoul(buf, NULL, 0);
+        ret = strict_strtoul(buf, 0, &value);
+        if (ret)
+                goto out;
         ret = count;
         if (value == 1)
                 ccwgroup_set_online(gdev);
@@ -337,6 +394,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
                 ccwgroup_set_offline(gdev);
         else
                 ret = -EINVAL;
+out:
         module_put(gdrv->owner);
         return ret;
 }
@@ -518,6 +576,5 @@ void ccwgroup_remove_ccwdev(struct ccw_device *cdev)
 MODULE_LICENSE("GPL");
 EXPORT_SYMBOL(ccwgroup_driver_register);
 EXPORT_SYMBOL(ccwgroup_driver_unregister);
-EXPORT_SYMBOL(ccwgroup_create);
 EXPORT_SYMBOL(ccwgroup_probe_ccwdev);
 EXPORT_SYMBOL(ccwgroup_remove_ccwdev);
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 23ffcc4768a7..08a578161306 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -407,8 +407,7 @@ cio_modify (struct subchannel *sch)
 /*
  * Enable subchannel.
  */
-int cio_enable_subchannel(struct subchannel *sch, unsigned int isc,
-                          u32 intparm)
+int cio_enable_subchannel(struct subchannel *sch, u32 intparm)
 {
         char dbf_txt[15];
         int ccode;
@@ -426,7 +425,7 @@ int cio_enable_subchannel(struct subchannel *sch, unsigned int isc,
 
         for (retry = 5, ret = 0; retry > 0; retry--) {
                 sch->schib.pmcw.ena = 1;
-                sch->schib.pmcw.isc = isc;
+                sch->schib.pmcw.isc = sch->isc;
                 sch->schib.pmcw.intparm = intparm;
                 ret = cio_modify(sch);
                 if (ret == -ENODEV)
@@ -600,6 +599,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
         else
                 sch->opm = chp_get_sch_opm(sch);
         sch->lpm = sch->schib.pmcw.pam & sch->opm;
+        sch->isc = 3;
 
         CIO_DEBUG(KERN_INFO, 0,
                   "Detected device %04x on subchannel 0.%x.%04X"
@@ -610,13 +610,11 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
 
         /*
          * We now have to initially ...
-         *  ... set "interruption subclass"
          *  ... enable "concurrent sense"
          *  ... enable "multipath mode" if more than one
          *        CHPID is available. This is done regardless
          *        whether multiple paths are available for us.
          */
-        sch->schib.pmcw.isc = 3;        /* could be smth. else */
         sch->schib.pmcw.csense = 1;     /* concurrent sense */
         sch->schib.pmcw.ena = 0;
         if ((sch->lpm & (sch->lpm - 1)) != 0)
@@ -812,6 +810,7 @@ cio_probe_console(void)
          * enable console I/O-interrupt subclass 7
          */
         ctl_set_bit(6, 24);
+        console_subchannel.isc = 7;
         console_subchannel.schib.pmcw.isc = 7;
         console_subchannel.schib.pmcw.intparm =
                 (u32)(addr_t)&console_subchannel;
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 08f2235c5a6f..3c75412904dc 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -74,6 +74,7 @@ struct subchannel {
         __u8 lpm;               /* logical path mask */
         __u8 opm;               /* operational path mask */
         struct schib schib;     /* subchannel information block */
+        int isc; /* desired interruption subclass */
         struct chsc_ssd_info ssd_info;  /* subchannel description */
         struct device dev;      /* entry in device tree */
         struct css_driver *driver;
@@ -85,7 +86,7 @@ struct subchannel {
 #define to_subchannel(n) container_of(n, struct subchannel, dev)
 
 extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id);
-extern int cio_enable_subchannel(struct subchannel *, unsigned int, u32);
+extern int cio_enable_subchannel(struct subchannel *, u32);
 extern int cio_disable_subchannel (struct subchannel *);
 extern int cio_cancel (struct subchannel *);
 extern int cio_clear (struct subchannel *);
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index f4c132ab39ed..2808b6833b9e 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -1219,16 +1219,21 @@ static ssize_t cmb_enable_store(struct device *dev,
 {
         struct ccw_device *cdev;
         int ret;
+        unsigned long val;
+
+        ret = strict_strtoul(buf, 16, &val);
+        if (ret)
+                return ret;
 
         cdev = to_ccwdev(dev);
 
-        switch (buf[0]) {
-        case '0':
+        switch (val) {
+        case 0:
                 ret = disable_cmf(cdev);
                 if (ret)
                         dev_info(&cdev->dev, "disable_cmf failed (%d)\n", ret);
                 break;
-        case '1':
+        case 1:
                 ret = enable_cmf(cdev);
                 if (ret && ret != -EBUSY)
                         dev_info(&cdev->dev, "enable_cmf failed (%d)\n", ret);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index c1afab5f72d6..595e327d2f76 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -705,13 +705,17 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr,
 {
         struct channel_subsystem *css = to_css(dev);
         int ret;
+        unsigned long val;
 
+        ret = strict_strtoul(buf, 16, &val);
+        if (ret)
+                return ret;
         mutex_lock(&css->mutex);
-        switch (buf[0]) {
-        case '0':
+        switch (val) {
+        case 0:
                 ret = css->cm_enabled ? chsc_secm(css, 0) : 0;
                 break;
-        case '1':
+        case 1:
                 ret = css->cm_enabled ? 0 : chsc_secm(css, 1);
                 break;
         default:
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index e0c7adb8958e..abfd601d237a 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -512,8 +512,8 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
                              const char *buf, size_t count)
 {
         struct ccw_device *cdev = to_ccwdev(dev);
-        int i, force;
-        char *tmp;
+        int force, ret;
+        unsigned long i;
 
         if (atomic_cmpxchg(&cdev->private->onoff, 0, 1) != 0)
                 return -EAGAIN;
@@ -525,25 +525,30 @@ static ssize_t online_store (struct device *dev, struct device_attribute *attr,
         if (!strncmp(buf, "force\n", count)) {
                 force = 1;
                 i = 1;
+                ret = 0;
         } else {
                 force = 0;
-                i = simple_strtoul(buf, &tmp, 16);
+                ret = strict_strtoul(buf, 16, &i);
         }
-
+        if (ret)
+                goto out;
         switch (i) {
         case 0:
                 online_store_handle_offline(cdev);
+                ret = count;
                 break;
         case 1:
                 online_store_handle_online(cdev, force);
+                ret = count;
                 break;
         default:
-                count = -EINVAL;
+                ret = -EINVAL;
         }
+out:
         if (cdev->drv)
                 module_put(cdev->drv->owner);
         atomic_set(&cdev->private->onoff, 0);
-        return count;
+        return ret;
 }
 
 static ssize_t
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 4b92c84fb438..99403b0a97a7 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -555,8 +555,7 @@ ccw_device_recognition(struct ccw_device *cdev)
             (cdev->private->state != DEV_STATE_BOXED))
                 return -EINVAL;
         sch = to_subchannel(cdev->dev.parent);
-        ret = cio_enable_subchannel(sch, sch->schib.pmcw.isc,
-                                    (u32)(addr_t)sch);
+        ret = cio_enable_subchannel(sch, (u32)(addr_t)sch);
         if (ret != 0)
                 /* Couldn't enable the subchannel for i/o. Sick device. */
                 return ret;
@@ -667,8 +666,7 @@ ccw_device_online(struct ccw_device *cdev)
         sch = to_subchannel(cdev->dev.parent);
         if (css_init_done && !get_device(&cdev->dev))
                 return -ENODEV;
-        ret = cio_enable_subchannel(sch, sch->schib.pmcw.isc,
-                                    (u32)(addr_t)sch);
+        ret = cio_enable_subchannel(sch, (u32)(addr_t)sch);
         if (ret != 0) {
                 /* Couldn't enable the subchannel for i/o. Sick device. */
                 if (ret == -ENODEV)
@@ -1048,8 +1046,7 @@ ccw_device_start_id(struct ccw_device *cdev, enum dev_event dev_event)
         struct subchannel *sch;
 
         sch = to_subchannel(cdev->dev.parent);
-        if (cio_enable_subchannel(sch, sch->schib.pmcw.isc,
-                                  (u32)(addr_t)sch) != 0)
+        if (cio_enable_subchannel(sch, (u32)(addr_t)sch) != 0)
                 /* Couldn't enable the subchannel for i/o. Sick device. */
                 return;
 
@@ -1082,7 +1079,6 @@ device_trigger_reprobe(struct subchannel *sch)
          */
         sch->lpm = sch->schib.pmcw.pam & sch->opm;
         /* Re-set some bits in the pmcw that were lost. */
-        sch->schib.pmcw.isc = 3;
         sch->schib.pmcw.csense = 1;
         sch->schib.pmcw.ena = 0;
         if ((sch->lpm & (sch->lpm - 1)) != 0)
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index a1718a0aa539..f308ad55a6d5 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -508,7 +508,7 @@ ccw_device_stlck(struct ccw_device *cdev)
                 return -ENOMEM;
         }
         spin_lock_irqsave(sch->lock, flags);
-        ret = cio_enable_subchannel(sch, 3, (u32)(addr_t)sch);
+        ret = cio_enable_subchannel(sch, (u32)(addr_t)sch);
         if (ret)
                 goto out_unlock;
         /*
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 10aa1e780801..445cf364e461 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -3632,7 +3632,7 @@ qdio_add_procfs_entry(void)
 {
         proc_perf_file_registration=0;
         qdio_perf_proc_file=create_proc_entry(QDIO_PERF,
-                                              S_IFREG|0444,&proc_root);
+                                              S_IFREG|0444,NULL);
         if (qdio_perf_proc_file) {
                 qdio_perf_proc_file->read_proc=&qdio_perf_procfile_read;
         } else proc_perf_file_registration=-1;
@@ -3647,7 +3647,7 @@ static void
 qdio_remove_procfs_entry(void)
 {
         if (!proc_perf_file_registration) /* means if it went ok earlier */
-                remove_proc_entry(QDIO_PERF,&proc_root);
+                remove_proc_entry(QDIO_PERF,NULL);
 }
 
 /**
@@ -3663,11 +3663,11 @@ qdio_performance_stats_show(struct bus_type *bus, char *buf)
 static ssize_t
 qdio_performance_stats_store(struct bus_type *bus, const char *buf, size_t count)
 {
-        char *tmp;
-        int i;
+        unsigned long i;
+        int ret;
 
-        i = simple_strtoul(buf, &tmp, 16);
-        if ((i == 0) || (i == 1)) {
+        ret = strict_strtoul(buf, 16, &i);
+        if (!ret && ((i == 0) || (i == 1))) {
                 if (i == qdio_performance_stats)
                         return count;
                 qdio_performance_stats = i;
diff --git a/drivers/s390/kvm/Makefile b/drivers/s390/kvm/Makefile
new file mode 100644
index 000000000000..4a5ec39f9ca6
--- /dev/null
+++ b/drivers/s390/kvm/Makefile
@@ -0,0 +1,9 @@
+# Makefile for kvm guest drivers on s390
+#
+# Copyright IBM Corp. 2008
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License (version 2 only)
+# as published by the Free Software Foundation.
+
+obj-$(CONFIG_VIRTIO) += kvm_virtio.o
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
new file mode 100644
index 000000000000..47a7e6200b26
--- /dev/null
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -0,0 +1,339 @@
+/*
+ * kvm_virtio.c - virtio for kvm on s390
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ *    Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
+ */
+
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/err.h>
+#include <linux/virtio.h>
+#include <linux/virtio_config.h>
+#include <linux/interrupt.h>
+#include <linux/virtio_ring.h>
+#include <linux/pfn.h>
+#include <asm/io.h>
+#include <asm/kvm_para.h>
+#include <asm/kvm_virtio.h>
+#include <asm/setup.h>
+#include <asm/s390_ext.h>
+
+#define VIRTIO_SUBCODE_64 0x0D00
+
+/*
+ * The pointer to our (page) of device descriptions.
+ */
+static void *kvm_devices;
+
+/*
+ * Unique numbering for kvm devices.
+ */
+static unsigned int dev_index;
+
+struct kvm_device {
+        struct virtio_device vdev;
+        struct kvm_device_desc *desc;
+};
+
+#define to_kvmdev(vd) container_of(vd, struct kvm_device, vdev)
+
+/*
+ * memory layout:
+ * - kvm_device_descriptor
+ *        struct kvm_device_desc
+ * - configuration
+ *        struct kvm_vqconfig
+ * - feature bits
+ * - config space
+ */
+static struct kvm_vqconfig *kvm_vq_config(const struct kvm_device_desc *desc)
+{
+        return (struct kvm_vqconfig *)(desc + 1);
+}
+
+static u8 *kvm_vq_features(const struct kvm_device_desc *desc)
+{
+        return (u8 *)(kvm_vq_config(desc) + desc->num_vq);
+}
+
+static u8 *kvm_vq_configspace(const struct kvm_device_desc *desc)
+{
+        return kvm_vq_features(desc) + desc->feature_len * 2;
+}
+
+/*
+ * The total size of the config page used by this device (incl. desc)
+ */
+static unsigned desc_size(const struct kvm_device_desc *desc)
+{
+        return sizeof(*desc)
+                + desc->num_vq * sizeof(struct kvm_vqconfig)
+                + desc->feature_len * 2
+                + desc->config_len;
+}
+
+/*
+ * This tests (and acknowleges) a feature bit.
+ */
+static bool kvm_feature(struct virtio_device *vdev, unsigned fbit)
+{
+        struct kvm_device_desc *desc = to_kvmdev(vdev)->desc;
+        u8 *features;
+
+        if (fbit / 8 > desc->feature_len)
+                return false;
+
+        features = kvm_vq_features(desc);
+        if (!(features[fbit / 8] & (1 << (fbit % 8))))
+                return false;
+
+        /*
+         * We set the matching bit in the other half of the bitmap to tell the
+         * Host we want to use this feature.
+         */
+        features[desc->feature_len + fbit / 8] |= (1 << (fbit % 8));
+        return true;
+}
+
+/*
+ * Reading and writing elements in config space
+ */
+static void kvm_get(struct virtio_device *vdev, unsigned int offset,
+                   void *buf, unsigned len)
+{
+        struct kvm_device_desc *desc = to_kvmdev(vdev)->desc;
+
+        BUG_ON(offset + len > desc->config_len);
+        memcpy(buf, kvm_vq_configspace(desc) + offset, len);
+}
+
+static void kvm_set(struct virtio_device *vdev, unsigned int offset,
+                   const void *buf, unsigned len)
+{
+        struct kvm_device_desc *desc = to_kvmdev(vdev)->desc;
+
+        BUG_ON(offset + len > desc->config_len);
+        memcpy(kvm_vq_configspace(desc) + offset, buf, len);
+}
+
+/*
+ * The operations to get and set the status word just access
+ * the status field of the device descriptor. set_status will also
+ * make a hypercall to the host, to tell about status changes
+ */
+static u8 kvm_get_status(struct virtio_device *vdev)
+{
+        return to_kvmdev(vdev)->desc->status;
+}
+
+static void kvm_set_status(struct virtio_device *vdev, u8 status)
+{
+        BUG_ON(!status);
+        to_kvmdev(vdev)->desc->status = status;
+        kvm_hypercall1(KVM_S390_VIRTIO_SET_STATUS,
+                       (unsigned long) to_kvmdev(vdev)->desc);
+}
+
+/*
+ * To reset the device, we use the KVM_VIRTIO_RESET hypercall, using the
+ * descriptor address. The Host will zero the status and all the
+ * features.
+ */
+static void kvm_reset(struct virtio_device *vdev)
+{
+        kvm_hypercall1(KVM_S390_VIRTIO_RESET,
+                       (unsigned long) to_kvmdev(vdev)->desc);
+}
+
+/*
+ * When the virtio_ring code wants to notify the Host, it calls us here and we
+ * make a hypercall.  We hand the address  of the virtqueue so the Host
+ * knows which virtqueue we're talking about.
+ */
+static void kvm_notify(struct virtqueue *vq)
+{
+        struct kvm_vqconfig *config = vq->priv;
+
+        kvm_hypercall1(KVM_S390_VIRTIO_NOTIFY, config->address);
+}
+
+/*
+ * This routine finds the first virtqueue described in the configuration of
+ * this device and sets it up.
+ */
+static struct virtqueue *kvm_find_vq(struct virtio_device *vdev,
+                                    unsigned index,
+                                    void (*callback)(struct virtqueue *vq))
+{
+        struct kvm_device *kdev = to_kvmdev(vdev);
+        struct kvm_vqconfig *config;
+        struct virtqueue *vq;
+        int err;
+
+        if (index >= kdev->desc->num_vq)
+                return ERR_PTR(-ENOENT);
+
+        config = kvm_vq_config(kdev->desc)+index;
+
+        err = vmem_add_mapping(config->address,
+                               vring_size(config->num, PAGE_SIZE));
+        if (err)
+                goto out;
+
+        vq = vring_new_virtqueue(config->num, vdev, (void *) config->address,
+                                 kvm_notify, callback);
+        if (!vq) {
+                err = -ENOMEM;
+                goto unmap;
+        }
+
+        /*
+         * register a callback token
+         * The host will sent this via the external interrupt parameter
+         */
+        config->token = (u64) vq;
+
+        vq->priv = config;
+        return vq;
+unmap:
+        vmem_remove_mapping(config->address,
+                            vring_size(config->num, PAGE_SIZE));
+out:
+        return ERR_PTR(err);
+}
+
+static void kvm_del_vq(struct virtqueue *vq)
+{
+        struct kvm_vqconfig *config = vq->priv;
+
+        vring_del_virtqueue(vq);
+        vmem_remove_mapping(config->address,
+                            vring_size(config->num, PAGE_SIZE));
+}
+
+/*
+ * The config ops structure as defined by virtio config
+ */
+static struct virtio_config_ops kvm_vq_configspace_ops = {
+        .feature = kvm_feature,
+        .get = kvm_get,
+        .set = kvm_set,
+        .get_status = kvm_get_status,
+        .set_status = kvm_set_status,
+        .reset = kvm_reset,
+        .find_vq = kvm_find_vq,
+        .del_vq = kvm_del_vq,
+};
+
+/*
+ * The root device for the kvm virtio devices.
+ * This makes them appear as /sys/devices/kvm_s390/0,1,2 not /sys/devices/0,1,2.
+ */
+static struct device kvm_root = {
+        .parent = NULL,
+        .bus_id = "kvm_s390",
+};
+
+/*
+ * adds a new device and register it with virtio
+ * appropriate drivers are loaded by the device model
+ */
+static void add_kvm_device(struct kvm_device_desc *d)
+{
+        struct kvm_device *kdev;
+
+        kdev = kzalloc(sizeof(*kdev), GFP_KERNEL);
+        if (!kdev) {
+                printk(KERN_EMERG "Cannot allocate kvm dev %u\n",
+                       dev_index++);
+                return;
+        }
+
+        kdev->vdev.dev.parent = &kvm_root;
+        kdev->vdev.index = dev_index++;
+        kdev->vdev.id.device = d->type;
+        kdev->vdev.config = &kvm_vq_configspace_ops;
+        kdev->desc = d;
+
+        if (register_virtio_device(&kdev->vdev) != 0) {
+                printk(KERN_ERR "Failed to register kvm device %u\n",
+                       kdev->vdev.index);
+                kfree(kdev);
+        }
+}
+
+/*
+ * scan_devices() simply iterates through the device page.
+ * The type 0 is reserved to mean "end of devices".
+ */
+static void scan_devices(void)
+{
+        unsigned int i;
+        struct kvm_device_desc *d;
+
+        for (i = 0; i < PAGE_SIZE; i += desc_size(d)) {
+                d = kvm_devices + i;
+
+                if (d->type == 0)
+                        break;
+
+                add_kvm_device(d);
+        }
+}
+
+/*
+ * we emulate the request_irq behaviour on top of s390 extints
+ */
+static void kvm_extint_handler(u16 code)
+{
+        void *data = (void *) *(long *) __LC_PFAULT_INTPARM;
+        u16 subcode = S390_lowcore.cpu_addr;
+
+        if ((subcode & 0xff00) != VIRTIO_SUBCODE_64)
+                return;
+
+        vring_interrupt(0, data);
+}
+
+/*
+ * Init function for virtio
+ * devices are in a single page above top of "normal" mem
+ */
+static int __init kvm_devices_init(void)
+{
+        int rc;
+
+        if (!MACHINE_IS_KVM)
+                return -ENODEV;
+
+        rc = device_register(&kvm_root);
+        if (rc) {
+                printk(KERN_ERR "Could not register kvm_s390 root device");
+                return rc;
+        }
+
+        rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE);
+        if (rc) {
+                device_unregister(&kvm_root);
+                return rc;
+        }
+
+        kvm_devices = (void *) PFN_PHYS(max_pfn);
+
+        ctl_set_bit(0, 9);
+        register_external_interrupt(0x2603, kvm_extint_handler);
+
+        scan_devices();
+        return 0;
+}
+
+/*
+ * We do this after core stuff, but before the drivers.
+ */
+postcore_initcall(kvm_devices_init);
diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c
index 76728ae4b843..8e7697305a4c 100644
--- a/drivers/s390/net/cu3088.c
+++ b/drivers/s390/net/cu3088.c
@@ -62,30 +62,14 @@ static struct device *cu3088_root_dev;
 static ssize_t
 group_write(struct device_driver *drv, const char *buf, size_t count)
 {
-        const char *start, *end;
-        char bus_ids[2][BUS_ID_SIZE], *argv[2];
-        int i;
         int ret;
         struct ccwgroup_driver *cdrv;
 
         cdrv = to_ccwgroupdrv(drv);
         if (!cdrv)
                 return -EINVAL;
-        start = buf;
-        for (i=0; i<2; i++) {
-                static const char delim[] = {',', '\n'};
-                int len;
-
-                if (!(end = strchr(start, delim[i])))
-                        return -EINVAL;
-                len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start + 1);
-                strlcpy (bus_ids[i], start, len);
-                argv[i] = bus_ids[i];
-                start = end + 1;
-        }
-
-        ret = ccwgroup_create(cu3088_root_dev, cdrv->driver_id,
-                              &cu3088_driver, 2, argv);
+        ret = ccwgroup_create_from_string(cu3088_root_dev, cdrv->driver_id,
+                                          &cu3088_driver, 2, buf);
 
         return (ret == 0) ? count : ret;
 }
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index f51ed9972587..dd22f4b37037 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1793,7 +1793,8 @@ lcs_get_skb(struct lcs_card *card, char *skb_data, unsigned int skb_len)
         skb->protocol = card->lan_type_trans(skb, card->dev);
         card->stats.rx_bytes += skb_len;
         card->stats.rx_packets++;
-        *((__u32 *)skb->cb) = ++card->pkt_seq;
+        if (skb->protocol == htons(ETH_P_802_2))
+                *((__u32 *)skb->cb) = ++card->pkt_seq;
         netif_rx(skb);
 }
 
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 8f876f6ab367..e4ba6a0372ac 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1313,8 +1313,6 @@ static int netiucv_tx(struct sk_buff *skb, struct net_device *dev)
          * and throw away packet.
          */
         if (fsm_getstate(privptr->fsm) != DEV_STATE_RUNNING) {
-                if (!in_atomic())
-                        fsm_event(privptr->fsm, DEV_EVENT_START, dev);
                 dev_kfree_skb(skb);
                 privptr->stats.tx_dropped++;
                 privptr->stats.tx_errors++;
@@ -2147,6 +2145,7 @@ static int __init netiucv_init(void)
         if (rc)
                 goto out_dbf;
         IUCV_DBF_TEXT(trace, 3, __func__);
+        netiucv_driver.groups = netiucv_drv_attr_groups;
         rc = driver_register(&netiucv_driver);
         if (rc) {
                 PRINT_ERR("NETIUCV: failed to register driver.\n");
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 66f4f12503c9..699ac11debd8 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -72,22 +72,7 @@ struct qeth_dbf_info {
         debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)
 
 #define QETH_DBF_TEXT_(name, level, text...) \
-        do { \
-                if (qeth_dbf_passes(qeth_dbf[QETH_DBF_##name].id, level)) { \
-                        char *dbf_txt_buf = \
-                                get_cpu_var(QETH_DBF_TXT_BUF); \
-                        sprintf(dbf_txt_buf, text); \
-                        debug_text_event(qeth_dbf[QETH_DBF_##name].id, \
-                                        level, dbf_txt_buf); \
-                        put_cpu_var(QETH_DBF_TXT_BUF); \
-                } \
-        } while (0)
-
-/* Allow to sort out low debug levels early to avoid wasted sprints */
-static inline int qeth_dbf_passes(debug_info_t *dbf_grp, int level)
-{
-        return (level <= dbf_grp->level);
-}
+        qeth_dbf_longtext(QETH_DBF_##name, level, text)
 
 /**
  * some more debug stuff
@@ -773,27 +758,6 @@ static inline int qeth_get_micros(void)
         return (int) (get_clock() >> 12);
 }
 
-static inline void *qeth_push_skb(struct qeth_card *card, struct sk_buff *skb,
-                int size)
-{
-        void *hdr;
-
-        hdr = (void *) skb_push(skb, size);
-        /*
-         * sanity check, the Linux memory allocation scheme should
-         * never present us cases like this one (the qdio header size plus
-         * the first 40 bytes of the paket cross a 4k boundary)
-         */
-        if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) !=
-            (((unsigned long) hdr + size +
-            QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) {
-                PRINT_ERR("Misaligned packet on interface %s. Discarded.",
-                        QETH_CARD_IFNAME(card));
-                return NULL;
-        }
-        return hdr;
-}
-
 static inline int qeth_get_ip_version(struct sk_buff *skb)
 {
         switch (skb->protocol) {
@@ -806,6 +770,12 @@ static inline int qeth_get_ip_version(struct sk_buff *skb)
         }
 }
 
+static inline void qeth_put_buffer_pool_entry(struct qeth_card *card,
+                struct qeth_buffer_pool_entry *entry)
+{
+        list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
+}
+
 struct qeth_eddp_context;
 extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
 extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
@@ -843,8 +813,6 @@ struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *,
 int qeth_query_setadapterparms(struct qeth_card *);
 int qeth_check_qdio_errors(struct qdio_buffer *, unsigned int,
                        unsigned int, const char *);
-void qeth_put_buffer_pool_entry(struct qeth_card *,
-                           struct qeth_buffer_pool_entry *);
 void qeth_queue_input_buffer(struct qeth_card *, int);
 struct sk_buff *qeth_core_get_next_skb(struct qeth_card *,
                 struct qdio_buffer *, struct qdio_buffer_element **, int *,
@@ -880,8 +848,6 @@ int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
         void *reply_param);
 int qeth_get_cast_type(struct qeth_card *, struct sk_buff *);
 int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int);
-struct sk_buff *qeth_prepare_skb(struct qeth_card *, struct sk_buff *,
-                 struct qeth_hdr **);
 int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int);
 int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *,
                         struct sk_buff *, struct qeth_hdr *, int,
@@ -894,6 +860,8 @@ void qeth_core_get_ethtool_stats(struct net_device *,
                                 struct ethtool_stats *, u64 *);
 void qeth_core_get_strings(struct net_device *, u32, u8 *);
 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
+void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...);
+int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
 
 /* exports for OSN */
 int qeth_osn_assist(struct net_device *, void *, int);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 055f5c3e7b56..436bf1f6d4a6 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -26,9 +26,6 @@
 #include "qeth_core.h"
 #include "qeth_core_offl.h"
 
-static DEFINE_PER_CPU(char[256], qeth_core_dbf_txt_buf);
-#define QETH_DBF_TXT_BUF qeth_core_dbf_txt_buf
-
 struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS] = {
         /* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
         /*                   N  P  A    M  L  V                      H  */
@@ -2255,14 +2252,6 @@ void qeth_print_status_message(struct qeth_card *card)
 }
 EXPORT_SYMBOL_GPL(qeth_print_status_message);
 
-void qeth_put_buffer_pool_entry(struct qeth_card *card,
-                struct qeth_buffer_pool_entry *entry)
-{
-        QETH_DBF_TEXT(TRACE, 6, "ptbfplen");
-        list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
-}
-EXPORT_SYMBOL_GPL(qeth_put_buffer_pool_entry);
-
 static void qeth_initialize_working_pool_list(struct qeth_card *card)
 {
         struct qeth_buffer_pool_entry *entry;
@@ -2603,7 +2592,6 @@ void qeth_queue_input_buffer(struct qeth_card *card, int index)
         int rc;
         int newcount = 0;
 
-        QETH_DBF_TEXT(TRACE, 6, "queinbuf");
         count = (index < queue->next_buf_to_init)?
                 card->qdio.in_buf_pool.buf_count -
                 (queue->next_buf_to_init - index) :
@@ -2792,8 +2780,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
         int i;
         unsigned int qdio_flags;
 
-        QETH_DBF_TEXT(TRACE, 6, "flushbuf");
-
         for (i = index; i < index + count; ++i) {
                 buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
                 buf->buffer->element[buf->next_element_to_fill - 1].flags |=
@@ -3037,49 +3023,6 @@ int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
 }
 EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
 
-static void __qeth_free_new_skb(struct sk_buff *orig_skb,
-                struct sk_buff *new_skb)
-{
-        if (orig_skb != new_skb)
-                dev_kfree_skb_any(new_skb);
-}
-
-static inline struct sk_buff *qeth_realloc_headroom(struct qeth_card *card,
-                struct sk_buff *skb, int size)
-{
-        struct sk_buff *new_skb = skb;
-
-        if (skb_headroom(skb) >= size)
-                return skb;
-        new_skb = skb_realloc_headroom(skb, size);
-        if (!new_skb)
-                PRINT_ERR("Could not realloc headroom for qeth_hdr "
-                          "on interface %s", QETH_CARD_IFNAME(card));
-        return new_skb;
-}
-
-struct sk_buff *qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
-                 struct qeth_hdr **hdr)
-{
-        struct sk_buff *new_skb;
-
-        QETH_DBF_TEXT(TRACE, 6, "prepskb");
-
-        new_skb = qeth_realloc_headroom(card, skb,
-                        sizeof(struct qeth_hdr));
-        if (!new_skb)
-                return NULL;
-
-        *hdr = ((struct qeth_hdr *)qeth_push_skb(card, new_skb,
-                        sizeof(struct qeth_hdr)));
-        if (*hdr == NULL) {
-                __qeth_free_new_skb(skb, new_skb);
-                return NULL;
-        }
-        return new_skb;
-}
-EXPORT_SYMBOL_GPL(qeth_prepare_skb);
-
 int qeth_get_elements_no(struct qeth_card *card, void *hdr,
                      struct sk_buff *skb, int elems)
 {
@@ -3100,8 +3043,8 @@ int qeth_get_elements_no(struct qeth_card *card, void *hdr,
 }
 EXPORT_SYMBOL_GPL(qeth_get_elements_no);
 
-static void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
-                int is_tso, int *next_element_to_fill)
+static inline void __qeth_fill_buffer(struct sk_buff *skb,
+        struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill)
 {
         int length = skb->len;
         int length_here;
@@ -3143,15 +3086,13 @@ static void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
         *next_element_to_fill = element;
 }
 
-static int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
+static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
                 struct qeth_qdio_out_buffer *buf, struct sk_buff *skb)
 {
         struct qdio_buffer *buffer;
         struct qeth_hdr_tso *hdr;
         int flush_cnt = 0, hdr_len, large_send = 0;
 
-        QETH_DBF_TEXT(TRACE, 6, "qdfillbf");
-
         buffer = buf->buffer;
         atomic_inc(&skb->users);
         skb_queue_tail(&buf->skb_list, skb);
@@ -3210,8 +3151,6 @@ int qeth_do_send_packet_fast(struct qeth_card *card,
         int flush_cnt = 0;
         int index;
 
-        QETH_DBF_TEXT(TRACE, 6, "dosndpfa");
-
         /* spin until we get the queue ... */
         while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
                               QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
@@ -3263,8 +3202,6 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
         int tmp;
         int rc = 0;
 
-        QETH_DBF_TEXT(TRACE, 6, "dosndpkt");
-
         /* spin until we get the queue ... */
         while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
                               QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
@@ -3827,27 +3764,8 @@ static struct ccw_driver qeth_ccw_driver = {
 static int qeth_core_driver_group(const char *buf, struct device *root_dev,
                                 unsigned long driver_id)
 {
-        const char *start, *end;
-        char bus_ids[3][BUS_ID_SIZE], *argv[3];
-        int i;
-
-        start = buf;
-        for (i = 0; i < 3; i++) {
-                static const char delim[] = { ',', ',', '\n' };
-                int len;
-
-                end = strchr(start, delim[i]);
-                if (!end)
-                        return -EINVAL;
-                len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start);
-                strncpy(bus_ids[i], start, len);
-                bus_ids[i][len] = '\0';
-                start = end + 1;
-                argv[i] = bus_ids[i];
-        }
-
-        return (ccwgroup_create(root_dev, driver_id,
-                                &qeth_ccw_driver, 3, argv));
+        return ccwgroup_create_from_string(root_dev, driver_id,
+                                           &qeth_ccw_driver, 3, buf);
 }
 
 int qeth_core_hardsetup_card(struct qeth_card *card)
@@ -3885,8 +3803,9 @@ retry:
                 QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
                 return rc;
         }
-
-        mpno = QETH_MAX_PORTNO;
+        mpno = qdio_get_ssqd_pct(CARD_DDEV(card));
+        if (mpno)
+                mpno = min(mpno - 1, QETH_MAX_PORTNO);
         if (card->info.portno > mpno) {
                 PRINT_ERR("Device %s does not offer port number %d \n.",
                         CARD_BUS_ID(card), card->info.portno);
@@ -3980,7 +3899,6 @@ struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
         int use_rx_sg = 0;
         int frag = 0;
 
-        QETH_DBF_TEXT(TRACE, 6, "nextskb");
         /* qeth_hdr must not cross element boundaries */
         if (element->length < offset + sizeof(struct qeth_hdr)) {
                 if (qeth_is_last_sbale(element))
@@ -4086,6 +4004,18 @@ static void qeth_unregister_dbf_views(void)
         }
 }
 
+void qeth_dbf_longtext(enum qeth_dbf_names dbf_nix, int level, char *text, ...)
+{
+        char dbf_txt_buf[32];
+
+        if (level > (qeth_dbf[dbf_nix].id)->level)
+                return;
+        snprintf(dbf_txt_buf, sizeof(dbf_txt_buf), text);
+        debug_text_event(qeth_dbf[dbf_nix].id, level, dbf_txt_buf);
+        
+}
+EXPORT_SYMBOL_GPL(qeth_dbf_longtext);
+
 static int qeth_register_dbf_views(void)
 {
         int ret;
@@ -4433,6 +4363,96 @@ void qeth_core_get_drvinfo(struct net_device *dev,
 }
 EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo);
 
+int qeth_core_ethtool_get_settings(struct net_device *netdev,
+                                        struct ethtool_cmd *ecmd)
+{
+        struct qeth_card *card = netdev_priv(netdev);
+        enum qeth_link_types link_type;
+
+        if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan))
+                link_type = QETH_LINK_TYPE_10GBIT_ETH;
+        else
+                link_type = card->info.link_type;
+
+        ecmd->transceiver = XCVR_INTERNAL;
+        ecmd->supported = SUPPORTED_Autoneg;
+        ecmd->advertising = ADVERTISED_Autoneg;
+        ecmd->duplex = DUPLEX_FULL;
+        ecmd->autoneg = AUTONEG_ENABLE;
+
+        switch (link_type) {
+        case QETH_LINK_TYPE_FAST_ETH:
+        case QETH_LINK_TYPE_LANE_ETH100:
+                ecmd->supported |= SUPPORTED_10baseT_Half |
+                                        SUPPORTED_10baseT_Full |
+                                        SUPPORTED_100baseT_Half |
+                                        SUPPORTED_100baseT_Full |
+                                        SUPPORTED_TP;
+                ecmd->advertising |= ADVERTISED_10baseT_Half |
+                                        ADVERTISED_10baseT_Full |
+                                        ADVERTISED_100baseT_Half |
+                                        ADVERTISED_100baseT_Full |
+                                        ADVERTISED_TP;
+                ecmd->speed = SPEED_100;
+                ecmd->port = PORT_TP;
+                break;
+
+        case QETH_LINK_TYPE_GBIT_ETH:
+        case QETH_LINK_TYPE_LANE_ETH1000:
+                ecmd->supported |= SUPPORTED_10baseT_Half |
+                                        SUPPORTED_10baseT_Full |
+                                        SUPPORTED_100baseT_Half |
+                                        SUPPORTED_100baseT_Full |
+                                        SUPPORTED_1000baseT_Half |
+                                        SUPPORTED_1000baseT_Full |
+                                        SUPPORTED_FIBRE;
+                ecmd->advertising |= ADVERTISED_10baseT_Half |
+                                        ADVERTISED_10baseT_Full |
+                                        ADVERTISED_100baseT_Half |
+                                        ADVERTISED_100baseT_Full |
+                                        ADVERTISED_1000baseT_Half |
+                                        ADVERTISED_1000baseT_Full |
+                                        ADVERTISED_FIBRE;
+                ecmd->speed = SPEED_1000;
+                ecmd->port = PORT_FIBRE;
+                break;
+
+        case QETH_LINK_TYPE_10GBIT_ETH:
+                ecmd->supported |= SUPPORTED_10baseT_Half |
+                                        SUPPORTED_10baseT_Full |
+                                        SUPPORTED_100baseT_Half |
+                                        SUPPORTED_100baseT_Full |
+                                        SUPPORTED_1000baseT_Half |
+                                        SUPPORTED_1000baseT_Full |
+                                        SUPPORTED_10000baseT_Full |
+                                        SUPPORTED_FIBRE;
+                ecmd->advertising |= ADVERTISED_10baseT_Half |
+                                        ADVERTISED_10baseT_Full |
+                                        ADVERTISED_100baseT_Half |
+                                        ADVERTISED_100baseT_Full |
+                                        ADVERTISED_1000baseT_Half |
+                                        ADVERTISED_1000baseT_Full |
+                                        ADVERTISED_10000baseT_Full |
+                                        ADVERTISED_FIBRE;
+                ecmd->speed = SPEED_10000;
+                ecmd->port = PORT_FIBRE;
+                break;
+
+        default:
+                ecmd->supported |= SUPPORTED_10baseT_Half |
+                                        SUPPORTED_10baseT_Full |
+                                        SUPPORTED_TP;
+                ecmd->advertising |= ADVERTISED_10baseT_Half |
+                                        ADVERTISED_10baseT_Full |
+                                        ADVERTISED_TP;
+                ecmd->speed = SPEED_10;
+                ecmd->port = PORT_TP;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings);
+
 static int __init qeth_core_init(void)
 {
         int rc;
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 3921d1631a78..86ec50ddae13 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -22,9 +22,6 @@
 #include "qeth_core.h"
 #include "qeth_core_offl.h"
 
-#define QETH_DBF_TXT_BUF qeth_l2_dbf_txt_buf
-static DEFINE_PER_CPU(char[256], qeth_l2_dbf_txt_buf);
-
 static int qeth_l2_set_offline(struct ccwgroup_device *);
 static int qeth_l2_stop(struct net_device *);
 static int qeth_l2_send_delmac(struct qeth_card *, __u8 *);
@@ -635,8 +632,6 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
         enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
         struct qeth_eddp_context *ctx = NULL;
 
-        QETH_DBF_TEXT(TRACE, 6, "l2xmit");
-
         if ((card->state != CARD_STATE_UP) || !card->lan_online) {
                 card->stats.tx_carrier_errors++;
                 goto tx_drop;
@@ -658,9 +653,12 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
         if (card->info.type == QETH_CARD_TYPE_OSN)
                 hdr = (struct qeth_hdr *)skb->data;
         else {
-                new_skb = qeth_prepare_skb(card, skb, &hdr);
+                /* create a clone with writeable headroom */
+                new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr));
                 if (!new_skb)
                         goto tx_drop;
+                hdr = (struct qeth_hdr *)skb_push(new_skb,
+                                                sizeof(struct qeth_hdr));
                 qeth_l2_fill_header(card, hdr, new_skb, ipv, cast_type);
         }
 
@@ -747,7 +745,6 @@ static void qeth_l2_qdio_input_handler(struct ccw_device *ccwdev,
         int index;
         int i;
 
-        QETH_DBF_TEXT(TRACE, 6, "qdinput");
         card = (struct qeth_card *) card_ptr;
         net_dev = card->dev;
         if (card->options.performance_stats) {
@@ -852,6 +849,22 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
         return;
 }
 
+static int qeth_l2_ethtool_set_tso(struct net_device *dev, u32 data)
+{
+        struct qeth_card *card = netdev_priv(dev);
+
+        if (data) {
+                if (card->options.large_send == QETH_LARGE_SEND_NO) {
+                        card->options.large_send = QETH_LARGE_SEND_EDDP;
+                        dev->features |= NETIF_F_TSO;
+                }
+        } else {
+                dev->features &= ~NETIF_F_TSO;
+                card->options.large_send = QETH_LARGE_SEND_NO;
+        }
+        return 0;
+}
+
 static struct ethtool_ops qeth_l2_ethtool_ops = {
         .get_link = ethtool_op_get_link,
         .get_tx_csum = ethtool_op_get_tx_csum,
@@ -859,11 +872,12 @@ static struct ethtool_ops qeth_l2_ethtool_ops = {
         .get_sg = ethtool_op_get_sg,
         .set_sg = ethtool_op_set_sg,
         .get_tso = ethtool_op_get_tso,
-        .set_tso = ethtool_op_set_tso,
+        .set_tso = qeth_l2_ethtool_set_tso,
         .get_strings = qeth_core_get_strings,
         .get_ethtool_stats = qeth_core_get_ethtool_stats,
         .get_stats_count = qeth_core_get_stats_count,
         .get_drvinfo = qeth_core_get_drvinfo,
+        .get_settings = qeth_core_ethtool_get_settings,
 };
 
 static struct ethtool_ops qeth_l2_osn_ops = {
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h
index 1be353593a59..9f143c83bba3 100644
--- a/drivers/s390/net/qeth_l3.h
+++ b/drivers/s390/net/qeth_l3.h
@@ -13,9 +13,6 @@
 
 #include "qeth_core.h"
 
-#define QETH_DBF_TXT_BUF qeth_l3_dbf_txt_buf
-DECLARE_PER_CPU(char[256], qeth_l3_dbf_txt_buf);
-
 struct qeth_ipaddr {
         struct list_head entry;
         enum qeth_ip_types type;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e1bfe56087d6..94a8ead64ed4 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -28,8 +28,6 @@
 #include "qeth_l3.h"
 #include "qeth_core_offl.h"
 
-DEFINE_PER_CPU(char[256], qeth_l3_dbf_txt_buf);
-
 static int qeth_l3_set_offline(struct ccwgroup_device *);
 static int qeth_l3_recover(void *);
 static int qeth_l3_stop(struct net_device *);
@@ -2093,6 +2091,11 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
             (card->state == CARD_STATE_UP)) {
                 if (recovery_mode)
                         qeth_l3_stop(card->dev);
+                else {
+                        rtnl_lock();
+                        dev_close(card->dev);
+                        rtnl_unlock();
+                }
                 if (!card->use_hard_stop) {
                         rc = qeth_send_stoplan(card);
                         if (rc)
@@ -2559,8 +2562,6 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
                 struct sk_buff *skb, int ipv, int cast_type)
 {
-        QETH_DBF_TEXT(TRACE, 6, "fillhdr");
-
         memset(hdr, 0, sizeof(struct qeth_hdr));
         hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
         hdr->hdr.l3.ext_flags = 0;
@@ -2570,9 +2571,10 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
          * v6 uses passthrough, v4 sets the tag in the QDIO header.
          */
         if (card->vlangrp && vlan_tx_tag_present(skb)) {
-                hdr->hdr.l3.ext_flags = (ipv == 4) ?
-                        QETH_HDR_EXT_VLAN_FRAME :
-                        QETH_HDR_EXT_INCLUDE_VLAN_TAG;
+                if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD))
+                        hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME;
+                else
+                        hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG;
                 hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
         }
 
@@ -2638,8 +2640,6 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
         enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
         struct qeth_eddp_context *ctx = NULL;
 
-        QETH_DBF_TEXT(TRACE, 6, "l3xmit");
-
         if ((card->info.type == QETH_CARD_TYPE_IQD) &&
             (skb->protocol != htons(ETH_P_IPV6)) &&
             (skb->protocol != htons(ETH_P_IP)))
@@ -2890,6 +2890,7 @@ static struct ethtool_ops qeth_l3_ethtool_ops = {
         .get_ethtool_stats = qeth_core_get_ethtool_stats,
         .get_stats_count = qeth_core_get_stats_count,
         .get_drvinfo = qeth_core_get_drvinfo,
+        .get_settings = qeth_core_ethtool_get_settings,
 };
 
 /*
@@ -2982,7 +2983,6 @@ static void qeth_l3_qdio_input_handler(struct ccw_device *ccwdev,
         int index;
         int i;
 
-        QETH_DBF_TEXT(TRACE, 6, "qdinput");
         card = (struct qeth_card *) card_ptr;
         net_dev = card->dev;
         if (card->options.performance_stats) {
@@ -3140,9 +3140,15 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
         netif_carrier_on(card->dev);
 
         qeth_set_allowed_threads(card, 0xffffffff, 0);
-        if ((recover_flag == CARD_STATE_RECOVER) && recovery_mode) {
+        if (recover_flag == CARD_STATE_RECOVER) {
+                if (recovery_mode)
                         qeth_l3_open(card->dev);
-                        qeth_l3_set_multicast_list(card->dev);
+                else {
+                        rtnl_lock();
+                        dev_open(card->dev);
+                        rtnl_unlock();
+                }
+                qeth_l3_set_multicast_list(card->dev);
         }
         /* let user_space know that device is online */
         kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 37b85c67b11d..c8bad675dbd1 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -1055,7 +1055,7 @@ static void zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level,
                                 rec->scsi_result = scsi_cmnd->result;
                                 rec->scsi_cmnd = (unsigned long)scsi_cmnd;
                                 rec->scsi_serial = scsi_cmnd->serial_number;
-                                memcpy(rec->scsi_opcode, &scsi_cmnd->cmnd,
+                                memcpy(rec->scsi_opcode, scsi_cmnd->cmnd,
                                         min((int)scsi_cmnd->cmd_len,
                                                 ZFCP_DBF_SCSI_OPCODE));
                                 rec->scsi_retries = scsi_cmnd->retries;
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 7c3f02816e95..b2ea4ea051f5 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1927,7 +1927,8 @@ zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
 
         /* setup new FSF request */
         retval = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA,
-                                     0, NULL, &lock_flags, &fsf_req);
+                                     ZFCP_WAIT_FOR_SBAL, NULL, &lock_flags,
+                                     &fsf_req);
         if (retval) {
                 ZFCP_LOG_INFO("error: Could not create exchange configuration "
                               "data request for adapter %s.\n",
@@ -2035,21 +2036,21 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
                        min(FC_SERIAL_NUMBER_SIZE, 17));
         }
 
-        ZFCP_LOG_NORMAL("The adapter %s reported the following "
-                        "characteristics:\n"
-                        "WWNN 0x%016Lx, "
-                        "WWPN 0x%016Lx, "
-                        "S_ID 0x%06x,\n"
-                        "adapter version 0x%x, "
-                        "LIC version 0x%x, "
-                        "FC link speed %d Gb/s\n",
-                        zfcp_get_busid_by_adapter(adapter),
-                        (wwn_t) fc_host_node_name(shost),
-                        (wwn_t) fc_host_port_name(shost),
-                        fc_host_port_id(shost),
-                        adapter->hydra_version,
-                        adapter->fsf_lic_version,
-                        fc_host_speed(shost));
+        if (fsf_req->erp_action)
+                ZFCP_LOG_NORMAL("The adapter %s reported the following "
+                                "characteristics:\n"
+                                "WWNN 0x%016Lx, WWPN 0x%016Lx, "
+                                "S_ID 0x%06x,\n"
+                                "adapter version 0x%x, "
+                                "LIC version 0x%x, "
+                                "FC link speed %d Gb/s\n",
+                                zfcp_get_busid_by_adapter(adapter),
+                                (wwn_t) fc_host_node_name(shost),
+                                (wwn_t) fc_host_port_name(shost),
+                                fc_host_port_id(shost),
+                                adapter->hydra_version,
+                                adapter->fsf_lic_version,
+                                fc_host_speed(shost));
         if (ZFCP_QTCB_VERSION < bottom->low_qtcb_version) {
                 ZFCP_LOG_NORMAL("error: the adapter %s "
                                 "only supports newer control block "
@@ -2114,8 +2115,10 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
                         zfcp_erp_adapter_shutdown(adapter, 0, 127, fsf_req);
                         return -EIO;
                 case FC_PORTTYPE_NPORT:
-                        ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
-                                        "network detected at adapter %s.\n",
+                        if (fsf_req->erp_action)
+                                ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
+                                                "network detected at adapter "
+                                                "%s.\n",
                                         zfcp_get_busid_by_adapter(adapter));
                         break;
                 default:
@@ -4011,7 +4014,7 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req)
                 ZFCP_LOG_TRACE("scpnt->result =0x%x, command was:\n",
                                scpnt->result);
                 ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_TRACE,
-                              (void *) &scpnt->cmnd, scpnt->cmd_len);
+                              scpnt->cmnd, scpnt->cmd_len);
 
                 ZFCP_LOG_TRACE("%i bytes sense data provided by FCP\n",
                                fcp_rsp_iu->fcp_sns_len);
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index 8cce5cc11d50..099970b27001 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -213,6 +213,7 @@
 #define FSF_FEATURE_HBAAPI_MANAGEMENT           0x00000010
 #define FSF_FEATURE_ELS_CT_CHAINED_SBALS        0x00000020
 #define FSF_FEATURE_UPDATE_ALERT                0x00000100
+#define FSF_FEATURE_MEASUREMENT_DATA            0x00000200
 
 /* host connection features */
 #define FSF_FEATURE_NPIV_MODE                   0x00000001
@@ -340,6 +341,15 @@ struct fsf_qtcb_prefix {
         u8  res1[20];
 } __attribute__ ((packed));
 
+struct fsf_statistics_info {
+        u64 input_req;
+        u64 output_req;
+        u64 control_req;
+        u64 input_mb;
+        u64 output_mb;
+        u64 seconds_act;
+} __attribute__ ((packed));
+
 union fsf_status_qual {
         u8  byte[FSF_STATUS_QUALIFIER_SIZE];
         u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)];
@@ -436,7 +446,8 @@ struct fsf_qtcb_bottom_config {
         u32 hardware_version;
         u8 serial_number[32];
         struct fsf_nport_serv_param plogi_payload;
-        u8 res4[160];
+        struct fsf_statistics_info stat_info;
+        u8 res4[112];
 } __attribute__ ((packed));
 
 struct fsf_qtcb_bottom_port {
@@ -469,7 +480,10 @@ struct fsf_qtcb_bottom_port {
         u64 control_requests;
         u64 input_mb;           /* where 1 MByte == 1.000.000 Bytes */
         u64 output_mb;          /* where 1 MByte == 1.000.000 Bytes */
-        u8 res2[256];
+        u8 cp_util;
+        u8 cb_util;
+        u8 a_util;
+        u8 res2[253];
 } __attribute__ ((packed));
 
 union fsf_qtcb_bottom {
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index f81850624eed..01687559dc06 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -40,6 +40,7 @@ static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *, int,
                                           unsigned int, unsigned int);
 
 static struct device_attribute *zfcp_sysfs_sdev_attrs[];
+static struct device_attribute *zfcp_a_stats_attrs[];
 
 struct zfcp_data zfcp_data = {
         .scsi_host_template = {
@@ -61,6 +62,7 @@ struct zfcp_data zfcp_data = {
                 .use_clustering         = 1,
                 .sdev_attrs             = zfcp_sysfs_sdev_attrs,
                 .max_sectors            = ZFCP_MAX_SECTORS,
+                .shost_attrs            = zfcp_a_stats_attrs,
         },
         .driver_version = ZFCP_VERSION,
 };
@@ -809,4 +811,116 @@ static struct device_attribute *zfcp_sysfs_sdev_attrs[] = {
         NULL
 };
 
+static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
+                                            struct device_attribute *attr,
+                                            char *buf)
+{
+        struct Scsi_Host *scsi_host = dev_to_shost(dev);
+        struct fsf_qtcb_bottom_port *qtcb_port;
+        int retval;
+        struct zfcp_adapter *adapter;
+
+        adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
+        if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
+                return -EOPNOTSUPP;
+
+        qtcb_port = kzalloc(sizeof(struct fsf_qtcb_bottom_port), GFP_KERNEL);
+        if (!qtcb_port)
+                return -ENOMEM;
+
+        retval = zfcp_fsf_exchange_port_data_sync(adapter, qtcb_port);
+        if (!retval)
+                retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
+                                 qtcb_port->cb_util, qtcb_port->a_util);
+        kfree(qtcb_port);
+        return retval;
+}
+
+static int zfcp_sysfs_adapter_ex_config(struct device *dev,
+                                        struct fsf_statistics_info *stat_inf)
+{
+        int retval;
+        struct fsf_qtcb_bottom_config *qtcb_config;
+        struct Scsi_Host *scsi_host = dev_to_shost(dev);
+        struct zfcp_adapter *adapter;
+
+        adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
+        if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
+                return -EOPNOTSUPP;
+
+        qtcb_config = kzalloc(sizeof(struct fsf_qtcb_bottom_config),
+                               GFP_KERNEL);
+        if (!qtcb_config)
+                return -ENOMEM;
+
+        retval = zfcp_fsf_exchange_config_data_sync(adapter, qtcb_config);
+        if (!retval)
+                *stat_inf = qtcb_config->stat_info;
+
+        kfree(qtcb_config);
+        return retval;
+}
+
+static ssize_t zfcp_sysfs_adapter_request_show(struct device *dev,
+                                               struct device_attribute *attr,
+                                               char *buf)
+{
+        struct fsf_statistics_info stat_info;
+        int retval;
+
+        retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
+        if (retval)
+                return retval;
+
+        return sprintf(buf, "%llu %llu %llu\n",
+                       (unsigned long long) stat_info.input_req,
+                       (unsigned long long) stat_info.output_req,
+                       (unsigned long long) stat_info.control_req);
+}
+
+static ssize_t zfcp_sysfs_adapter_mb_show(struct device *dev,
+                                          struct device_attribute *attr,
+                                          char *buf)
+{
+        struct fsf_statistics_info stat_info;
+        int retval;
+
+        retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
+        if (retval)
+                return retval;
+
+        return sprintf(buf, "%llu %llu\n",
+                       (unsigned long long) stat_info.input_mb,
+                       (unsigned long long) stat_info.output_mb);
+}
+
+static ssize_t zfcp_sysfs_adapter_sec_active_show(struct device *dev,
+                                                  struct device_attribute *attr,
+                                                  char *buf)
+{
+        struct fsf_statistics_info stat_info;
+        int retval;
+
+        retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
+        if (retval)
+                return retval;
+
+        return sprintf(buf, "%llu\n",
+                       (unsigned long long) stat_info.seconds_act);
+}
+
+static DEVICE_ATTR(utilization, S_IRUGO, zfcp_sysfs_adapter_util_show, NULL);
+static DEVICE_ATTR(requests, S_IRUGO, zfcp_sysfs_adapter_request_show, NULL);
+static DEVICE_ATTR(megabytes, S_IRUGO, zfcp_sysfs_adapter_mb_show, NULL);
+static DEVICE_ATTR(seconds_active, S_IRUGO,
+                   zfcp_sysfs_adapter_sec_active_show, NULL);
+
+static struct device_attribute *zfcp_a_stats_attrs[] = {
+        &dev_attr_utilization,
+        &dev_attr_requests,
+        &dev_attr_megabytes,
+        &dev_attr_seconds_active,
+        NULL
+};
+
 #undef ZFCP_LOG_AREA