s390 patches for the 2.6.28 merge window

Index: quilt-2.6/drivers/s390/cio/qdio.h
===================================================================
@@ -16,6 +16,14 @@
 #define QDIO_BUSY_BIT_GIVE_UP		2000000	/* 2 seconds = eternity */
 #define QDIO_INPUT_THRESHOLD		500	/* 500 microseconds */
 
+/*
+ * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait
+ * till next initiative to give transmitted skbs back to the stack is too long.
+ * Therefore polling is started in case of multicast queue is filled more
+ * than 50 percent.
+ */
+#define QDIO_IQDIO_POLL_LVL		65	/* HS multicast queue */
+
 enum qdio_irq_states {
 	QDIO_IRQ_STATE_INACTIVE,
 	QDIO_IRQ_STATE_ESTABLISHED,

Index: quilt-2.6/drivers/s390/cio/qdio_main.c
===================================================================
@@ -851,6 +851,12 @@ static void __qdio_outbound_processing(s
 	if (queue_type(q) == QDIO_IQDIO_QFMT && !multicast_outbound(q))
 		return;
 
+	if ((queue_type(q) == QDIO_IQDIO_QFMT) &&
+	    (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL) {
+		tasklet_schedule(&q->tasklet);
+		return;
+	}
+
 	if (q->u.out.pci_out_enabled)
 		return;
 

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -296,36 +296,33 @@ static void ccw_device_unregister(struct
 		device_del(&cdev->dev);
 }
 
-static void ccw_device_remove_orphan_cb(struct device *dev)
+static void ccw_device_remove_orphan_cb(struct work_struct *work)
 {
-	struct ccw_device *cdev = to_ccwdev(dev);
+	struct ccw_device_private *priv;
+	struct ccw_device *cdev;
 
+	priv = container_of(work, struct ccw_device_private, kick_work);
+	cdev = priv->cdev;
 	ccw_device_unregister(cdev);
 	put_device(&cdev->dev);
+	/* Release cdev reference for workqueue processing. */
+	put_device(&cdev->dev);
 }
 
-static void ccw_device_remove_sch_cb(struct device *dev)
-{
-	struct subchannel *sch;
-
-	sch = to_subchannel(dev);
-	css_sch_device_unregister(sch);
-	/* Reset intparm to zeroes. */
-	sch->schib.pmcw.intparm = 0;
-	cio_modify(sch);
-	put_device(&sch->dev);
-}
+static void ccw_device_call_sch_unregister(struct work_struct *work);
 
 static void
 ccw_device_remove_disconnected(struct ccw_device *cdev)
 {
 	unsigned long flags;
-	int rc;
 
 	/*
 	 * Forced offline in disconnected state means
 	 * 'throw away device'.
 	 */
+	/* Get cdev reference for workqueue processing. */
+	if (!get_device(&cdev->dev))
+		return;
 	if (ccw_device_is_orphan(cdev)) {
 		/*
 		 * Deregister ccw device.

@@ -335,23 +332,13 @@ ccw_device_remove_disconnected(struct cc
 		spin_lock_irqsave(cdev->ccwlock, flags);
 		cdev->private->state = DEV_STATE_NOT_OPER;
 		spin_unlock_irqrestore(cdev->ccwlock, flags);
-		rc = device_schedule_callback(&cdev->dev,
-					      ccw_device_remove_orphan_cb);
-		if (rc)
-			CIO_MSG_EVENT(0, "Couldn't unregister orphan "
-				      "0.%x.%04x\n",
-				      cdev->private->dev_id.ssid,
-				      cdev->private->dev_id.devno);
-		return;
-	}
-	/* Deregister subchannel, which will kill the ccw device. */
-	rc = device_schedule_callback(cdev->dev.parent,
-				      ccw_device_remove_sch_cb);
-	if (rc)
-		CIO_MSG_EVENT(0, "Couldn't unregister disconnected device "
-			      "0.%x.%04x\n",
-			      cdev->private->dev_id.ssid,
-			      cdev->private->dev_id.devno);
+		PREPARE_WORK(&cdev->private->kick_work,
+				ccw_device_remove_orphan_cb);
+	} else
+		/* Deregister subchannel, which will kill the ccw device. */
+		PREPARE_WORK(&cdev->private->kick_work,
+				ccw_device_call_sch_unregister);
+	queue_work(slow_path_wq, &cdev->private->kick_work);
 }
 
 /**

@@ -970,12 +957,17 @@ static void ccw_device_call_sch_unregist
 
 	priv = container_of(work, struct ccw_device_private, kick_work);
 	cdev = priv->cdev;
+	/* Get subchannel reference for local processing. */
+	if (!get_device(cdev->dev.parent))
+		return;
 	sch = to_subchannel(cdev->dev.parent);
 	css_sch_device_unregister(sch);
 	/* Reset intparm to zeroes. */
 	sch->schib.pmcw.intparm = 0;
 	cio_modify(sch);
+	/* Release cdev reference for workqueue processing.*/
 	put_device(&cdev->dev);
+	/* Release subchannel reference for local processing. */
 	put_device(&sch->dev);
 }
 

@@ -1001,6 +993,8 @@ io_subchannel_recog_done(struct ccw_devi
 		PREPARE_WORK(&cdev->private->kick_work,
 			     ccw_device_call_sch_unregister);
 		queue_work(slow_path_wq, &cdev->private->kick_work);
+		/* Release subchannel reference for asynchronous recognition. */
+		put_device(&sch->dev);
 		if (atomic_dec_and_test(&ccw_device_init_count))
 			wake_up(&ccw_device_init_wq);
 		break;

Index: quilt-2.6/drivers/s390/cio/blacklist.c
===================================================================
@@ -24,6 +24,7 @@
 #include "cio.h"
 #include "cio_debug.h"
 #include "css.h"
+#include "device.h"
 
 /*
  * "Blacklisting" of certain devices:

@@ -191,9 +192,9 @@ static int blacklist_parse_parameters(ch
 			rc = blacklist_range(ra, from_ssid, to_ssid, from, to,
 					     msgtrigger);
 			if (rc)
-				totalrc = 1;
+				totalrc = -EINVAL;
 		} else
-			totalrc = 1;
+			totalrc = -EINVAL;
 	}
 
 	return totalrc;

@@ -240,8 +241,10 @@ static int blacklist_parse_proc_paramete
 		rc = blacklist_parse_parameters(buf, free, 0);
 	else if (strcmp("add", parm) == 0)
 		rc = blacklist_parse_parameters(buf, add, 0);
+	else if (strcmp("purge", parm) == 0)
+		return ccw_purge_blacklisted();
 	else
-		return 1;
+		return -EINVAL;
 
 	css_schedule_reprobe();
 

@@ -353,7 +356,7 @@ cio_ignore_write(struct file *file, cons
 	}
 	ret = blacklist_parse_proc_parameters(buf);
 	if (ret)
-		rc = -EINVAL;
+		rc = ret;
 	else
 		rc = user_len;
 

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -31,6 +31,7 @@
 #include "device.h"
 #include "ioasm.h"
 #include "io_sch.h"
+#include "blacklist.h"
 
 static struct timer_list recovery_timer;
 static DEFINE_SPINLOCK(recovery_lock);

@@ -1470,6 +1471,45 @@ static void ccw_device_schedule_recovery
 	spin_unlock_irqrestore(&recovery_lock, flags);
 }
 
+static int purge_fn(struct device *dev, void *data)
+{
+	struct ccw_device *cdev = to_ccwdev(dev);
+	struct ccw_device_private *priv = cdev->private;
+	int unreg;
+
+	spin_lock_irq(cdev->ccwlock);
+	unreg = is_blacklisted(priv->dev_id.ssid, priv->dev_id.devno) &&
+		(priv->state == DEV_STATE_OFFLINE);
+	spin_unlock_irq(cdev->ccwlock);
+	if (!unreg)
+		goto out;
+	if (!get_device(&cdev->dev))
+		goto out;
+	CIO_MSG_EVENT(3, "ccw: purging 0.%x.%04x\n", priv->dev_id.ssid,
+		      priv->dev_id.devno);
+	PREPARE_WORK(&cdev->private->kick_work, ccw_device_call_sch_unregister);
+	queue_work(slow_path_wq, &cdev->private->kick_work);
+
+out:
+	/* Abort loop in case of pending signal. */
+	if (signal_pending(current))
+		return -EINTR;
+
+	return 0;
+}
+
+/**
+ * ccw_purge_blacklisted - purge unused, blacklisted devices
+ *
+ * Unregister all ccw devices that are offline and on the blacklist.
+ */
+int ccw_purge_blacklisted(void)
+{
+	CIO_MSG_EVENT(2, "ccw: purging blacklisted devices\n");
+	bus_for_each_dev(&ccw_bus_type, NULL, NULL, purge_fn);
+	return 0;
+}
+
 static void device_set_disconnected(struct ccw_device *cdev)
 {
 	if (!cdev)

Index: quilt-2.6/drivers/s390/cio/device.h
===================================================================
@@ -86,6 +86,7 @@ int ccw_device_is_orphan(struct ccw_devi
 int ccw_device_recognition(struct ccw_device *);
 int ccw_device_online(struct ccw_device *);
 int ccw_device_offline(struct ccw_device *);
+int ccw_purge_blacklisted(void);
 
 /* Function prototypes for device status and basic sense stuff. */
 void ccw_device_accumulate_irb(struct ccw_device *, struct irb *);

Index: quilt-2.6/drivers/s390/block/dasd_3990_erp.c
===================================================================
@@ -1397,7 +1397,7 @@ static struct dasd_ccw_req *dasd_3990_er
 			DEV_MESSAGE(KERN_ERR, cqr->startdev,
 				    "ERP on alias device for request %p,"
 				    " recover on base device %s", cqr,
-				    cqr->block->base->cdev->dev.bus_id);
+				    dev_name(&cqr->block->base->cdev->dev));
 		}
 		dasd_eckd_reset_ccw_to_base_io(cqr);
 		erp->startdev = cqr->block->base;

Index: quilt-2.6/drivers/s390/block/dasd.c
===================================================================
@@ -215,7 +215,7 @@ static int dasd_state_known_to_basic(str
 			return rc;
 	}
 	/* register 'device' debug area, used for all DBF_DEV_XXX calls */
-	device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 1,
+	device->debug_area = debug_register(dev_name(&device->cdev->dev), 1, 1,
 					    8 * sizeof(long));
 	debug_register_view(device->debug_area, &debug_sprintf_view);
 	debug_set_level(device->debug_area, DBF_WARNING);

@@ -933,7 +933,7 @@ static void dasd_handle_killed_request(s
 		MESSAGE(KERN_DEBUG,
 			"invalid status in handle_killed_request: "
 			"bus_id %s, status %02x",
-			cdev->dev.bus_id, cqr->status);
+			dev_name(&cdev->dev), cqr->status);
 		return;
 	}
 

@@ -942,7 +942,7 @@ static void dasd_handle_killed_request(s
 	    device != dasd_device_from_cdev_locked(cdev) ||
 	    strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
 		MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
-			cdev->dev.bus_id);
+			dev_name(&cdev->dev));
 		return;
 	}
 

@@ -982,11 +982,11 @@ void dasd_int_handler(struct ccw_device 
 			break;
 		case -ETIMEDOUT:
 			printk(KERN_WARNING"%s(%s): request timed out\n",
-			       __func__, cdev->dev.bus_id);
+			       __func__, dev_name(&cdev->dev));
 			break;
 		default:
 			printk(KERN_WARNING"%s(%s): unknown error %ld\n",
-			       __func__, cdev->dev.bus_id, PTR_ERR(irb));
+			       __func__, dev_name(&cdev->dev), PTR_ERR(irb));
 		}
 		dasd_handle_killed_request(cdev, intparm);
 		return;

@@ -995,7 +995,7 @@ void dasd_int_handler(struct ccw_device 
 	now = get_clock();
 
 	DBF_EVENT(DBF_ERR, "Interrupt: bus_id %s CS/DS %04x ip %08x",
-		  cdev->dev.bus_id, ((irb->scsw.cmd.cstat << 8) |
+		  dev_name(&cdev->dev), ((irb->scsw.cmd.cstat << 8) |
 		  irb->scsw.cmd.dstat), (unsigned int) intparm);
 
 	/* check for unsolicited interrupts */

@@ -1019,7 +1019,7 @@ void dasd_int_handler(struct ccw_device 
 	if (!device ||
 	    strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
 		MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
-			cdev->dev.bus_id);
+			dev_name(&cdev->dev));
 		return;
 	}
 

@@ -1037,7 +1037,7 @@ void dasd_int_handler(struct ccw_device 
 	if (cqr->status != DASD_CQR_IN_IO) {
 		MESSAGE(KERN_DEBUG,
 			"invalid status: bus_id %s, status %02x",
-			cdev->dev.bus_id, cqr->status);
+			dev_name(&cdev->dev), cqr->status);
 		return;
 	}
 	DBF_DEV_EVENT(DBF_DEBUG, device, "Int: CS/DS 0x%04x for cqr %p",

@@ -2134,14 +2134,14 @@ int dasd_generic_probe(struct ccw_device
 	if (ret) {
 		printk(KERN_WARNING
 		       "dasd_generic_probe: could not set ccw-device options "
-		       "for %s\n", cdev->dev.bus_id);
+		       "for %s\n", dev_name(&cdev->dev));
 		return ret;
 	}
 	ret = dasd_add_sysfs_files(cdev);
 	if (ret) {
 		printk(KERN_WARNING
 		       "dasd_generic_probe: could not add sysfs entries "
-		       "for %s\n", cdev->dev.bus_id);
+		       "for %s\n", dev_name(&cdev->dev));
 		return ret;
 	}
 	cdev->handler = &dasd_int_handler;

@@ -2152,13 +2152,13 @@ int dasd_generic_probe(struct ccw_device
 	 * initial probe.
 	 */
 	if ((dasd_get_feature(cdev, DASD_FEATURE_INITIAL_ONLINE) > 0 ) ||
-	    (dasd_autodetect && dasd_busid_known(cdev->dev.bus_id) != 0))
+	    (dasd_autodetect && dasd_busid_known(dev_name(&cdev->dev)) != 0))
 		ret = ccw_device_set_online(cdev);
 	if (ret)
 		printk(KERN_WARNING
 		       "dasd_generic_probe: could not initially "
 		       "online ccw-device %s; return code: %d\n",
-		       cdev->dev.bus_id, ret);
+		       dev_name(&cdev->dev), ret);
 	return 0;
 }
 

@@ -2224,7 +2224,7 @@ int dasd_generic_set_online(struct ccw_d
 		        printk (KERN_WARNING
 				"dasd_generic couldn't online device %s "
 				"- discipline DIAG not available\n",
-				cdev->dev.bus_id);
+				dev_name(&cdev->dev));
 			dasd_delete_device(device);
 			return -ENODEV;
 		}

@@ -2248,7 +2248,7 @@ int dasd_generic_set_online(struct ccw_d
 		printk (KERN_WARNING
 			"dasd_generic couldn't online device %s "
 			"with discipline %s rc=%i\n",
-			cdev->dev.bus_id, discipline->name, rc);
+			dev_name(&cdev->dev), discipline->name, rc);
 		module_put(discipline->owner);
 		module_put(base_discipline->owner);
 		dasd_delete_device(device);

@@ -2259,7 +2259,7 @@ int dasd_generic_set_online(struct ccw_d
 	if (device->state <= DASD_STATE_KNOWN) {
 		printk (KERN_WARNING
 			"dasd_generic discipline not found for %s\n",
-			cdev->dev.bus_id);
+			dev_name(&cdev->dev));
 		rc = -ENODEV;
 		dasd_set_target_state(device, DASD_STATE_NEW);
 		if (device->block)

@@ -2267,7 +2267,7 @@ int dasd_generic_set_online(struct ccw_d
 		dasd_delete_device(device);
 	} else
 		pr_debug("dasd_generic device %s found\n",
-				cdev->dev.bus_id);
+				dev_name(&cdev->dev));
 
 	/* FIXME: we have to wait for the root device but we don't want
 	 * to wait for each single device but for all at once. */

Index: quilt-2.6/drivers/s390/block/dasd_devmap.c
===================================================================
@@ -515,9 +515,9 @@ dasd_devmap_from_cdev(struct ccw_device 
 {
 	struct dasd_devmap *devmap;
 
-	devmap = dasd_find_busid(cdev->dev.bus_id);
+	devmap = dasd_find_busid(dev_name(&cdev->dev));
 	if (IS_ERR(devmap))
-		devmap = dasd_add_busid(cdev->dev.bus_id,
+		devmap = dasd_add_busid(dev_name(&cdev->dev),
 					DASD_FEATURE_DEFAULT);
 	return devmap;
 }

@@ -584,7 +584,7 @@ dasd_delete_device(struct dasd_device *d
 	unsigned long flags;
 
 	/* First remove device pointer from devmap. */
-	devmap = dasd_find_busid(device->cdev->dev.bus_id);
+	devmap = dasd_find_busid(dev_name(&device->cdev->dev));
 	BUG_ON(IS_ERR(devmap));
 	spin_lock(&dasd_devmap_lock);
 	if (devmap->device != device) {

@@ -674,7 +674,7 @@ dasd_ro_show(struct device *dev, struct 
 	struct dasd_devmap *devmap;
 	int ro_flag;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	if (!IS_ERR(devmap))
 		ro_flag = (devmap->features & DASD_FEATURE_READONLY) != 0;
 	else

@@ -723,7 +723,7 @@ dasd_erplog_show(struct device *dev, str
 	struct dasd_devmap *devmap;
 	int erplog;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	if (!IS_ERR(devmap))
 		erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0;
 	else

@@ -770,7 +770,7 @@ dasd_use_diag_show(struct device *dev, s
 	struct dasd_devmap *devmap;
 	int use_diag;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	if (!IS_ERR(devmap))
 		use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0;
 	else

@@ -876,7 +876,7 @@ dasd_alias_show(struct device *dev, stru
 	struct dasd_devmap *devmap;
 	int alias;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	spin_lock(&dasd_devmap_lock);
 	if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) {
 		spin_unlock(&dasd_devmap_lock);

@@ -899,7 +899,7 @@ dasd_vendor_show(struct device *dev, str
 	struct dasd_devmap *devmap;
 	char *vendor;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	spin_lock(&dasd_devmap_lock);
 	if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
 		vendor = devmap->uid.vendor;

@@ -924,7 +924,7 @@ dasd_uid_show(struct device *dev, struct
 	char ua_string[3];
 	struct dasd_uid *uid;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	spin_lock(&dasd_devmap_lock);
 	if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) {
 		spin_unlock(&dasd_devmap_lock);

@@ -972,7 +972,7 @@ dasd_eer_show(struct device *dev, struct
 	struct dasd_devmap *devmap;
 	int eer_flag;
 
-	devmap = dasd_find_busid(dev->bus_id);
+	devmap = dasd_find_busid(dev_name(dev));
 	if (!IS_ERR(devmap) && devmap->device)
 		eer_flag = dasd_eer_enabled(devmap->device);
 	else

@@ -1034,7 +1034,7 @@ dasd_get_uid(struct ccw_device *cdev, st
 {
 	struct dasd_devmap *devmap;
 
-	devmap = dasd_find_busid(cdev->dev.bus_id);
+	devmap = dasd_find_busid(dev_name(&cdev->dev));
 	if (IS_ERR(devmap))
 		return PTR_ERR(devmap);
 	spin_lock(&dasd_devmap_lock);

@@ -1057,7 +1057,7 @@ dasd_set_uid(struct ccw_device *cdev, st
 {
 	struct dasd_devmap *devmap;
 
-	devmap = dasd_find_busid(cdev->dev.bus_id);
+	devmap = dasd_find_busid(dev_name(&cdev->dev));
 	if (IS_ERR(devmap))
 		return PTR_ERR(devmap);
 

@@ -1077,7 +1077,7 @@ dasd_get_feature(struct ccw_device *cdev
 {
 	struct dasd_devmap *devmap;
 
-	devmap = dasd_find_busid(cdev->dev.bus_id);
+	devmap = dasd_find_busid(dev_name(&cdev->dev));
 	if (IS_ERR(devmap))
 		return PTR_ERR(devmap);
 

@@ -1093,7 +1093,7 @@ dasd_set_feature(struct ccw_device *cdev
 {
 	struct dasd_devmap *devmap;
 
-	devmap = dasd_find_busid(cdev->dev.bus_id);
+	devmap = dasd_find_busid(dev_name(&cdev->dev));
 	if (IS_ERR(devmap))
 		return PTR_ERR(devmap);
 

Index: quilt-2.6/drivers/s390/block/dasd_eckd.c
===================================================================
@@ -84,7 +84,7 @@ dasd_eckd_probe (struct ccw_device *cdev
 	if (ret) {
 		printk(KERN_WARNING
 		       "dasd_eckd_probe: could not set ccw-device options "
-		       "for %s\n", cdev->dev.bus_id);
+		       "for %s\n", dev_name(&cdev->dev));
 		return ret;
 	}
 	ret = dasd_generic_probe(cdev, &dasd_eckd_discipline);

@@ -2145,13 +2145,13 @@ static void dasd_eckd_dump_sense(struct 
 	/* dump the sense data */
 	len = sprintf(page,  KERN_ERR PRINTK_HEADER
 		      " I/O status report for device %s:\n",
-		      device->cdev->dev.bus_id);
+		      dev_name(&device->cdev->dev));
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " in req: %p CS: 0x%02X DS: 0x%02X\n", req,
 		       irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " device %s: Failing CCW: %p\n",
-		       device->cdev->dev.bus_id,
+		       dev_name(&device->cdev->dev),
 		       (void *) (addr_t) irb->scsw.cmd.cpa);
 	if (irb->esw.esw0.erw.cons) {
 		for (sl = 0; sl < 4; sl++) {

Index: quilt-2.6/drivers/s390/block/dasd_eer.c
===================================================================
@@ -309,7 +309,8 @@ static void dasd_eer_write_standard_trig
 	do_gettimeofday(&tv);
 	header.tv_sec = tv.tv_sec;
 	header.tv_usec = tv.tv_usec;
-	strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE);
+	strncpy(header.busid, dev_name(&device->cdev->dev),
+		DASD_EER_BUSID_SIZE);
 
 	spin_lock_irqsave(&bufferlock, flags);
 	list_for_each_entry(eerb, &bufferlist, list) {

@@ -349,7 +350,8 @@ static void dasd_eer_write_snss_trigger(
 	do_gettimeofday(&tv);
 	header.tv_sec = tv.tv_sec;
 	header.tv_usec = tv.tv_usec;
-	strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE);
+	strncpy(header.busid, dev_name(&device->cdev->dev),
+		DASD_EER_BUSID_SIZE);
 
 	spin_lock_irqsave(&bufferlock, flags);
 	list_for_each_entry(eerb, &bufferlist, list) {

Index: quilt-2.6/drivers/s390/block/dasd_fba.c
===================================================================
@@ -451,13 +451,13 @@ dasd_fba_dump_sense(struct dasd_device *
 	}
 	len = sprintf(page, KERN_ERR PRINTK_HEADER
 		      " I/O status report for device %s:\n",
-		      device->cdev->dev.bus_id);
+		      dev_name(&device->cdev->dev));
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " in req: %p CS: 0x%02X DS: 0x%02X\n", req,
 		       irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
 	len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 		       " device %s: Failing CCW: %p\n",
-		       device->cdev->dev.bus_id,
+		       dev_name(&device->cdev->dev),
 		       (void *) (addr_t) irb->scsw.cmd.cpa);
 	if (irb->esw.esw0.erw.cons) {
 		for (sl = 0; sl < 4; sl++) {

Index: quilt-2.6/drivers/s390/block/dasd_int.h
===================================================================
@@ -126,7 +126,7 @@ do { \
 #define DEV_MESSAGE(d_loglevel,d_device,d_string,d_args...)\
 do { \
 	printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \
-	       d_device->cdev->dev.bus_id, d_args); \
+	       dev_name(&d_device->cdev->dev), d_args); \
 	DBF_DEV_EVENT(DBF_ALERT, d_device, d_string, d_args); \
 } while(0)
 

@@ -140,7 +140,7 @@ do { \
 #define DEV_MESSAGE_LOG(d_loglevel,d_device,d_string,d_args...)\
 do { \
 	printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \
-	       d_device->cdev->dev.bus_id, d_args); \
+	       dev_name(&d_device->cdev->dev), d_args); \
 } while(0)
 
 #define MESSAGE_LOG(d_loglevel,d_string,d_args...)\

Index: quilt-2.6/drivers/s390/block/dasd_proc.c
===================================================================
@@ -67,7 +67,7 @@ dasd_devices_show(struct seq_file *m, vo
 		return 0;
 	}
 	/* Print device number. */
-	seq_printf(m, "%s", device->cdev->dev.bus_id);
+	seq_printf(m, "%s", dev_name(&device->cdev->dev));
 	/* Print discipline string. */
 	if (device != NULL && device->discipline != NULL)
 		seq_printf(m, "(%s)", device->discipline->name);

Index: quilt-2.6/drivers/s390/block/dcssblk.c
===================================================================
@@ -91,7 +91,7 @@ static struct rw_semaphore dcssblk_devic
 static void
 dcssblk_release_segment(struct device *dev)
 {
-	PRINT_DEBUG("segment release fn called for %s\n", dev->bus_id);
+	PRINT_DEBUG("segment release fn called for %s\n", dev_name(dev));
 	kfree(container_of(dev, struct dcssblk_dev_info, dev));
 	module_put(THIS_MODULE);
 }

@@ -602,7 +602,8 @@ dcssblk_make_request(struct request_queu
 		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);
+				PRINT_WARN("rejecting write to ro segment %s\n",
+					   dev_name(&dev_info->dev));
 				goto fail;
 			}
 		}

394 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/char/tape_block.c
===================================================================
@@ -278,7 +278,7 @@ tapeblock_cleanup_device(struct tape_dev
 
 	if (!device->blk_data.disk) {
 		PRINT_ERR("(%s): No gendisk to clean up!\n",
-			device->cdev->dev.bus_id);
+			dev_name(&device->cdev->dev));
 		goto cleanup_queue;
 	}
 

Index: quilt-2.6/drivers/s390/char/tape_core.c
===================================================================
@@ -215,12 +215,12 @@ tape_med_state_set(struct tape_device *d
 	case MS_UNLOADED:
 		device->tape_generic_status |= GMT_DR_OPEN(~0);
 		PRINT_INFO("(%s): Tape is unloaded\n",
-			   device->cdev->dev.bus_id);
+			   dev_name(&device->cdev->dev));
 		break;
 	case MS_LOADED:
 		device->tape_generic_status &= ~GMT_DR_OPEN(~0);
 		PRINT_INFO("(%s): Tape has been mounted\n",
-			   device->cdev->dev.bus_id);
+			   dev_name(&device->cdev->dev));
 		break;
 	default:
 		// print nothing

@@ -415,7 +415,7 @@ tape_generic_offline(struct tape_device 
 				device->cdev_id);
 			PRINT_WARN("(%s): Set offline failed "
 				"- drive in use.\n",
-				device->cdev->dev.bus_id);
+				dev_name(&device->cdev->dev));
 			spin_unlock_irq(get_ccwdev_lock(device->cdev));
 			return -EBUSY;
 	}

@@ -538,7 +538,8 @@ tape_generic_probe(struct ccw_device *cd
 	ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group);
 	if (ret) {
 		tape_put_device(device);
-		PRINT_ERR("probe failed for tape device %s\n", cdev->dev.bus_id);
+		PRINT_ERR("probe failed for tape device %s\n",
+			  dev_name(&cdev->dev));
 		return ret;
 	}
 	cdev->dev.driver_data = device;

@@ -546,7 +547,7 @@ tape_generic_probe(struct ccw_device *cd
 	device->cdev = cdev;
 	ccw_device_get_id(cdev, &dev_id);
 	device->cdev_id = devid_to_int(&dev_id);
-	PRINT_INFO("tape device %s found\n", cdev->dev.bus_id);
+	PRINT_INFO("tape device %s found\n", dev_name(&cdev->dev));
 	return ret;
 }
 

@@ -616,7 +617,7 @@ tape_generic_remove(struct ccw_device *c
 				device->cdev_id);
 			PRINT_WARN("(%s): Drive in use vanished - "
 				"expect trouble!\n",
-				device->cdev->dev.bus_id);
+				dev_name(&device->cdev->dev));
 			PRINT_WARN("State was %i\n", device->tape_state);
 			tape_state_set(device, TS_NOT_OPER);
 			__tape_discard_requests(device);

@@ -840,7 +841,7 @@ tape_dump_sense(struct tape_device* devi
 	PRINT_INFO("-------------------------------------------------\n");
 	PRINT_INFO("DSTAT : %02x  CSTAT: %02x	CPA: %04x\n",
 		   irb->scsw.cmd.dstat, irb->scsw.cmd.cstat, irb->scsw.cmd.cpa);
-	PRINT_INFO("DEVICE: %s\n", device->cdev->dev.bus_id);
+	PRINT_INFO("DEVICE: %s\n", dev_name(&device->cdev->dev));
 	if (request != NULL)
 		PRINT_INFO("OP	  : %s\n", tape_op_verbose[request->op]);
 

@@ -1051,7 +1052,7 @@ __tape_do_irq (struct ccw_device *cdev, 
 	device = (struct tape_device *) cdev->dev.driver_data;
 	if (device == NULL) {
 		PRINT_ERR("could not get device structure for %s "
-			  "in interrupt\n", cdev->dev.bus_id);
+			  "in interrupt\n", dev_name(&cdev->dev));
 		return;
 	}
 	request = (struct tape_request *) intparm;

@@ -1064,13 +1065,13 @@ __tape_do_irq (struct ccw_device *cdev, 
 		switch (PTR_ERR(irb)) {
 			case -ETIMEDOUT:
 				PRINT_WARN("(%s): Request timed out\n",
-					cdev->dev.bus_id);
+					dev_name(&cdev->dev));
 			case -EIO:
 				__tape_end_request(device, request, -EIO);
 				break;
 			default:
 				PRINT_ERR("(%s): Unexpected i/o error %li\n",
-					cdev->dev.bus_id,
+					dev_name(&cdev->dev),
 					PTR_ERR(irb));
 		}
 		return;

Index: quilt-2.6/drivers/s390/char/tape_proc.c
===================================================================
@@ -52,7 +52,7 @@ static int tape_proc_show(struct seq_fil
 		return 0;
 	spin_lock_irq(get_ccwdev_lock(device->cdev));
 	seq_printf(m, "%d\t", (int) n);
-	seq_printf(m, "%-10.10s ", device->cdev->dev.bus_id);
+	seq_printf(m, "%-10.10s ", dev_name(&device->cdev->dev));
 	seq_printf(m, "%04X/", device->cdev->id.cu_type);
 	seq_printf(m, "%02X\t", device->cdev->id.cu_model);
 	seq_printf(m, "%04X/", device->cdev->id.dev_type);

Index: quilt-2.6/drivers/s390/char/tape_std.c
===================================================================
@@ -47,7 +47,7 @@ tape_std_assign_timeout(unsigned long da
 	rc = tape_cancel_io(device, request);
 	if(rc)
 		PRINT_ERR("(%s): Assign timeout: Cancel failed with rc = %i\n",
-			device->cdev->dev.bus_id, rc);
+			dev_name(&device->cdev->dev), rc);
 
 }
 

@@ -83,7 +83,7 @@ tape_std_assign(struct tape_device *devi
 
 	if (rc != 0) {
 		PRINT_WARN("%s: assign failed - device might be busy\n",
-			device->cdev->dev.bus_id);
+			dev_name(&device->cdev->dev));
 		DBF_EVENT(3, "%08x: assign failed - device might be busy\n",
 			device->cdev_id);
 	} else {

@@ -106,7 +106,7 @@ tape_std_unassign (struct tape_device *d
 		DBF_EVENT(3, "(%08x): Can't unassign device\n",
 			device->cdev_id);
 		PRINT_WARN("(%s): Can't unassign device - device gone\n",
-			device->cdev->dev.bus_id);
+			dev_name(&device->cdev->dev));
 		return -EIO;
 	}
 

@@ -120,7 +120,8 @@ tape_std_unassign (struct tape_device *d
 
 	if ((rc = tape_do_io(device, request)) != 0) {
 		DBF_EVENT(3, "%08x: Unassign failed\n", device->cdev_id);
-		PRINT_WARN("%s: Unassign failed\n", device->cdev->dev.bus_id);
+		PRINT_WARN("%s: Unassign failed\n",
+			   dev_name(&device->cdev->dev));
 	} else {
 		DBF_EVENT(3, "%08x: Tape unassigned\n", device->cdev_id);
 	}

@@ -634,10 +635,10 @@ tape_std_mtcompression(struct tape_devic
 		DBF_EXCEPTION(6, "xcom parm\n");
 		if (*device->modeset_byte & 0x08)
 			PRINT_INFO("(%s) Compression is currently on\n",
-				   device->cdev->dev.bus_id);
+				   dev_name(&device->cdev->dev));
 		else
 			PRINT_INFO("(%s) Compression is currently off\n",
-				   device->cdev->dev.bus_id);
+				   dev_name(&device->cdev->dev));
 		PRINT_INFO("Use 1 to switch compression on, 0 to "
 			   "switch it off\n");
 		return -EINVAL;

Index: quilt-2.6/drivers/s390/char/vmlogrdr.c
===================================================================
@@ -751,7 +751,7 @@ static int vmlogrdr_register_device(stru
 	priv->class_device = device_create_drvdata(vmlogrdr_class, dev,
 						   MKDEV(vmlogrdr_major,
 							 priv->minor_num),
-						   priv, "%s", dev->bus_id);
+						   priv, "%s", dev_name(dev));
 	if (IS_ERR(priv->class_device)) {
 		ret = PTR_ERR(priv->class_device);
 		priv->class_device=NULL;

Index: quilt-2.6/drivers/s390/char/vmur.c
===================================================================
@@ -886,11 +886,11 @@ static int ur_set_online(struct ccw_devi
 		goto fail_free_cdev;
 	if (urd->cdev->id.cu_type == READER_PUNCH_DEVTYPE) {
 		if (urd->class == DEV_CLASS_UR_I)
-			sprintf(node_id, "vmrdr-%s", cdev->dev.bus_id);
+			sprintf(node_id, "vmrdr-%s", dev_name(&cdev->dev));
 		if (urd->class == DEV_CLASS_UR_O)
-			sprintf(node_id, "vmpun-%s", cdev->dev.bus_id);
+			sprintf(node_id, "vmpun-%s", dev_name(&cdev->dev));
 	} else if (urd->cdev->id.cu_type == PRINTER_DEVTYPE) {
-		sprintf(node_id, "vmprt-%s", cdev->dev.bus_id);
+		sprintf(node_id, "vmprt-%s", dev_name(&cdev->dev));
 	} else {
 		rc = -EOPNOTSUPP;
 		goto fail_free_cdev;

Index: quilt-2.6/drivers/s390/cio/ccwgroup.c
===================================================================
@@ -270,7 +270,7 @@ int ccwgroup_create_from_string(struct d
 	}
 
 	snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
-			gdev->cdev[0]->dev.bus_id);
+			dev_name(&gdev->cdev[0]->dev));
 
 	rc = device_add(&gdev->dev);
 	if (rc)

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -153,7 +153,7 @@ cio_start_handle_notoper(struct subchann
 	CIO_MSG_EVENT(2, "cio_start: 'not oper' status for "
 		      "subchannel 0.%x.%04x!\n", sch->schid.ssid,
 		      sch->schid.sch_no);
-	sprintf(dbf_text, "no%s", sch->dev.bus_id);
+	sprintf(dbf_text, "no%s", dev_name(&sch->dev));
 	CIO_TRACE_EVENT(0, dbf_text);
 	CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib));
 

@@ -171,7 +171,7 @@ cio_start_key (struct subchannel *sch,	/
 	union orb *orb;
 
 	CIO_TRACE_EVENT(4, "stIO");
-	CIO_TRACE_EVENT(4, sch->dev.bus_id);
+	CIO_TRACE_EVENT(4, dev_name(&sch->dev));
 
 	orb = &to_io_private(sch)->orb;
 	memset(orb, 0, sizeof(union orb));

@@ -232,7 +232,7 @@ cio_resume (struct subchannel *sch)
 	int ccode;
 
 	CIO_TRACE_EVENT (4, "resIO");
-	CIO_TRACE_EVENT (4, sch->dev.bus_id);
+	CIO_TRACE_EVENT(4, dev_name(&sch->dev));
 
 	ccode = rsch (sch->schid);
 

@@ -269,7 +269,7 @@ cio_halt(struct subchannel *sch)
 		return -ENODEV;
 
 	CIO_TRACE_EVENT (2, "haltIO");
-	CIO_TRACE_EVENT (2, sch->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&sch->dev));
 
 	/*
 	 * Issue "Halt subchannel" and process condition code

@@ -304,7 +304,7 @@ cio_clear(struct subchannel *sch)
 		return -ENODEV;
 
 	CIO_TRACE_EVENT (2, "clearIO");
-	CIO_TRACE_EVENT (2, sch->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&sch->dev));
 
 	/*
 	 * Issue "Clear subchannel" and process condition code

@@ -340,7 +340,7 @@ cio_cancel (struct subchannel *sch)
 		return -ENODEV;
 
 	CIO_TRACE_EVENT (2, "cancelIO");
-	CIO_TRACE_EVENT (2, sch->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&sch->dev));
 
 	ccode = xsch (sch->schid);
 

@@ -404,7 +404,7 @@ int cio_enable_subchannel(struct subchan
 	int ret;
 
 	CIO_TRACE_EVENT (2, "ensch");
-	CIO_TRACE_EVENT (2, sch->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&sch->dev));
 
 	if (sch_is_pseudo_sch(sch))
 		return -EINVAL;

@@ -454,7 +454,7 @@ int cio_disable_subchannel(struct subcha
 	int ret;
 
 	CIO_TRACE_EVENT (2, "dissch");
-	CIO_TRACE_EVENT (2, sch->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&sch->dev));
 
 	if (sch_is_pseudo_sch(sch))
 		return 0;

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -1101,7 +1101,7 @@ static void io_subchannel_irq(struct sub
 	cdev = sch_get_cdev(sch);
 
 	CIO_TRACE_EVENT(3, "IRQ");
-	CIO_TRACE_EVENT(3, sch->dev.bus_id);
+	CIO_TRACE_EVENT(3, dev_name(&sch->dev));
 	if (cdev)
 		dev_fsm_event(cdev, DEV_EVENT_INTERRUPT);
 }

@@ -1707,7 +1707,7 @@ __ccwdev_check_busid(struct device *dev,
 
 	bus_id = id;
 
-	return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0);
+	return (strncmp(bus_id, dev_name(dev), BUS_ID_SIZE) == 0);
 }
 
 

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -52,8 +52,10 @@ static void ccw_timeout_log(struct ccw_d
 	printk(KERN_WARNING "cio: orb:\n");
 	print_hex_dump(KERN_WARNING, "cio:  ", DUMP_PREFIX_NONE, 16, 1,
 		       orb, sizeof(*orb), 0);
-	printk(KERN_WARNING "cio: ccw device bus id: %s\n", cdev->dev.bus_id);
-	printk(KERN_WARNING "cio: subchannel bus id: %s\n", sch->dev.bus_id);
+	printk(KERN_WARNING "cio: ccw device bus id: %s\n",
+	       dev_name(&cdev->dev));
+	printk(KERN_WARNING "cio: subchannel bus id: %s\n",
+	       dev_name(&sch->dev));
 	printk(KERN_WARNING "cio: subchannel lpm: %02x, opm: %02x, "
 	       "vpm: %02x\n", sch->lpm, sch->opm, sch->vpm);
 

Index: quilt-2.6/drivers/s390/cio/device_ops.c
===================================================================
@@ -498,7 +498,7 @@ ccw_device_stlck(struct ccw_device *cdev
 	sch = to_subchannel(cdev->dev.parent);
 	
 	CIO_TRACE_EVENT(2, "stl lock");
-	CIO_TRACE_EVENT(2, cdev->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&cdev->dev));
 
 	buf = kmalloc(32*sizeof(char), GFP_DMA|GFP_KERNEL);
 	if (!buf)

Index: quilt-2.6/drivers/s390/net/claw.c
===================================================================
@@ -299,7 +299,7 @@ claw_probe(struct ccwgroup_device *cgdev
 		probe_error(cgdev);
 		put_device(&cgdev->dev);
 		printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n",
-			cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
+			dev_name(&cgdev->cdev[0]->dev), __func__, __LINE__);
 		CLAW_DBF_TEXT_(2, setup, "probex%d", rc);
 		return rc;
 	}

@@ -584,7 +584,7 @@ claw_irq_handler(struct ccw_device *cdev
 	if (!cdev->dev.driver_data) {
                 printk(KERN_WARNING "claw: unsolicited interrupt for device:"
 		 	"%s received c-%02x d-%02x\n",
-		       cdev->dev.bus_id, irb->scsw.cmd.cstat,
+		       dev_name(&cdev->dev), irb->scsw.cmd.cstat,
 		       irb->scsw.cmd.dstat);
 		CLAW_DBF_TEXT(2, trace, "badirq");
                 return;

@@ -598,7 +598,7 @@ claw_irq_handler(struct ccw_device *cdev
 		p_ch = &privptr->channel[WRITE];
 	else {
 		printk(KERN_WARNING "claw: Can't determine channel for "
-			"interrupt, device %s\n", cdev->dev.bus_id);
+			"interrupt, device %s\n", dev_name(&cdev->dev));
 		CLAW_DBF_TEXT(2, trace, "badchan");
 		return;
 	}

@@ -662,7 +662,7 @@ claw_irq_handler(struct ccw_device *cdev
 			printk(KERN_WARNING "claw: unsolicited "
 				"interrupt for device:"
 				"%s received c-%02x d-%02x\n",
-				cdev->dev.bus_id,
+				dev_name(&cdev->dev),
 				irb->scsw.cmd.cstat,
 				irb->scsw.cmd.dstat);
 			return;

@@ -1136,19 +1136,20 @@ ccw_check_return_code(struct ccw_device 
 			break;
 		case -ENODEV:
 			printk(KERN_EMERG "%s: Missing device called "
-				"for IO ENODEV\n", cdev->dev.bus_id);
+				"for IO ENODEV\n", dev_name(&cdev->dev));
 			break;
 		case -EIO:
 			printk(KERN_EMERG "%s: Status pending... EIO \n",
-				cdev->dev.bus_id);
+				dev_name(&cdev->dev));
 			break;
 		case -EINVAL:
 			printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n",
-				cdev->dev.bus_id);
+				dev_name(&cdev->dev));
 			break;
 		default:
 			printk(KERN_EMERG "%s: Unknown error in "
-				 "Do_IO %d\n",cdev->dev.bus_id, return_code);
+				 "Do_IO %d\n", dev_name(&cdev->dev),
+			       return_code);
 		}
 	}
 	CLAW_DBF_TEXT(4, trace, "ccwret");

@@ -2848,11 +2849,11 @@ add_channel(struct ccw_device *cdev,int 
 	struct chbk *p_ch;
 	struct ccw_dev_id dev_id;
 
-	CLAW_DBF_TEXT_(2, setup, "%s", cdev->dev.bus_id);
+	CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cdev->dev));
 	privptr->channel[i].flag  = i+1;   /* Read is 1 Write is 2 */
 	p_ch = &privptr->channel[i];
 	p_ch->cdev = cdev;
-	snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id);
+	snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", dev_name(&cdev->dev));
 	ccw_device_get_id(cdev, &dev_id);
 	p_ch->devno = dev_id.devno;
 	if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {

@@ -3020,7 +3021,7 @@ claw_remove_device(struct ccwgroup_devic
 	priv = cgdev->dev.driver_data;
 	BUG_ON(!priv);
 	printk(KERN_INFO "claw: %s() called %s will be removed.\n",
-			__func__,cgdev->cdev[0]->dev.bus_id);
+			__func__, dev_name(&cgdev->cdev[0]->dev));
 	if (cgdev->state == CCWGROUP_ONLINE)
 		claw_shutdown_device(cgdev);
 	claw_remove_files(&cgdev->dev);

Index: quilt-2.6/drivers/s390/net/claw.h
===================================================================
@@ -85,7 +85,7 @@
 #define CLAW_MAX_DEV            256        /*      max claw devices          */
 #define MAX_NAME_LEN            8          /* host name, adapter name length */
 #define CLAW_FRAME_SIZE         4096
-#define CLAW_ID_SIZE            BUS_ID_SIZE+3
+#define CLAW_ID_SIZE		20+3
 
 /* state machine codes used in claw_irq_handler */
 

Index: quilt-2.6/drivers/s390/net/ctcm_main.c
===================================================================
@@ -277,18 +277,18 @@ static long ctcm_check_irb_error(struct 
 
 	CTCM_DBF_TEXT_(ERROR, CTC_DBF_WARN,
 			"irb error %ld on device %s\n",
-				PTR_ERR(irb), cdev->dev.bus_id);
+				PTR_ERR(irb), dev_name(&cdev->dev));
 
 	switch (PTR_ERR(irb)) {
 	case -EIO:
-		ctcm_pr_warn("i/o-error on device %s\n", cdev->dev.bus_id);
+		ctcm_pr_warn("i/o-error on device %s\n", dev_name(&cdev->dev));
 		break;
 	case -ETIMEDOUT:
-		ctcm_pr_warn("timeout on device %s\n", cdev->dev.bus_id);
+		ctcm_pr_warn("timeout on device %s\n", dev_name(&cdev->dev));
 		break;
 	default:
 		ctcm_pr_warn("unknown error %ld on device %s\n",
-				PTR_ERR(irb), cdev->dev.bus_id);
+				PTR_ERR(irb), dev_name(&cdev->dev));
 	}
 	return PTR_ERR(irb);
 }

@@ -1182,7 +1182,7 @@ static void ctcm_irq_handler(struct ccw_
 	int dstat;
 
 	CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,
-		"Enter %s(%s)", CTCM_FUNTAIL, &cdev->dev.bus_id);
+		"Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev));
 
 	if (ctcm_check_irb_error(cdev, irb))
 		return;

@@ -1208,14 +1208,14 @@ static void ctcm_irq_handler(struct ccw_
 		ch = priv->channel[WRITE];
 	else {
 		ctcm_pr_err("ctcm: Can't determine channel for interrupt, "
-			   "device %s\n", cdev->dev.bus_id);
+			   "device %s\n", dev_name(&cdev->dev));
 		return;
 	}
 
 	dev = ch->netdev;
 	if (dev == NULL) {
 		ctcm_pr_crit("ctcm: %s dev=NULL bus_id=%s, ch=0x%p\n",
-				__func__, cdev->dev.bus_id, ch);
+				__func__, dev_name(&cdev->dev), ch);
 		return;
 	}
 

@@ -1329,7 +1329,7 @@ static int add_channel(struct ccw_device
 
 	CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO,
 		"%s(%s), type %d, proto %d",
-			__func__, cdev->dev.bus_id,	type, priv->protocol);
+			__func__, dev_name(&cdev->dev),	type, priv->protocol);
 
 	ch = kzalloc(sizeof(struct channel), GFP_KERNEL);
 	if (ch == NULL)

@@ -1358,7 +1358,7 @@ static int add_channel(struct ccw_device
 					goto nomem_return;
 
 	ch->cdev = cdev;
-	snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", cdev->dev.bus_id);
+	snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev->dev));
 	ch->type = type;
 
 	/**

Index: quilt-2.6/drivers/s390/net/ctcm_main.h
===================================================================
@@ -104,7 +104,7 @@
 #define READ			0
 #define WRITE			1
 
-#define CTCM_ID_SIZE		BUS_ID_SIZE+3
+#define CTCM_ID_SIZE		20+3
 
 struct ctcm_profile {
 	unsigned long maxmulti;

Index: quilt-2.6/drivers/s390/net/lcs.c
===================================================================
@@ -492,7 +492,7 @@ lcs_start_channel(struct lcs_channel *ch
 	unsigned long flags;
 	int rc;
 
-	LCS_DBF_TEXT_(4,trace,"ssch%s", channel->ccwdev->dev.bus_id);
+	LCS_DBF_TEXT_(4, trace,"ssch%s", dev_name(&channel->ccwdev->dev));
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
 	rc = ccw_device_start(channel->ccwdev,
 			      channel->ccws + channel->io_idx, 0, 0,

@@ -501,7 +501,8 @@ lcs_start_channel(struct lcs_channel *ch
 		channel->state = LCS_CH_STATE_RUNNING;
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
 	if (rc) {
-		LCS_DBF_TEXT_(4,trace,"essh%s", channel->ccwdev->dev.bus_id);
+		LCS_DBF_TEXT_(4,trace,"essh%s",
+			      dev_name(&channel->ccwdev->dev));
 		PRINT_ERR("Error in starting channel, rc=%d!\n", rc);
 	}
 	return rc;

@@ -514,12 +515,13 @@ lcs_clear_channel(struct lcs_channel *ch
 	int rc;
 
 	LCS_DBF_TEXT(4,trace,"clearch");
-	LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id);
+	LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
 	rc = ccw_device_clear(channel->ccwdev, (addr_t) channel);
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
 	if (rc) {
-		LCS_DBF_TEXT_(4,trace,"ecsc%s", channel->ccwdev->dev.bus_id);
+		LCS_DBF_TEXT_(4, trace, "ecsc%s",
+			      dev_name(&channel->ccwdev->dev));
 		return rc;
 	}
 	wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_CLEARED));

@@ -540,13 +542,14 @@ lcs_stop_channel(struct lcs_channel *cha
 	if (channel->state == LCS_CH_STATE_STOPPED)
 		return 0;
 	LCS_DBF_TEXT(4,trace,"haltsch");
-	LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id);
+	LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
 	channel->state = LCS_CH_STATE_INIT;
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
 	rc = ccw_device_halt(channel->ccwdev, (addr_t) channel);
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
 	if (rc) {
-		LCS_DBF_TEXT_(4,trace,"ehsc%s", channel->ccwdev->dev.bus_id);
+		LCS_DBF_TEXT_(4, trace, "ehsc%s",
+			      dev_name(&channel->ccwdev->dev));
 		return rc;
 	}
 	/* Asynchronous halt initialted. Wait for its completion. */

@@ -632,10 +635,11 @@ __lcs_resume_channel(struct lcs_channel 
 		return 0;
 	if (channel->ccws[channel->io_idx].flags & CCW_FLAG_SUSPEND)
 		return 0;
-	LCS_DBF_TEXT_(5, trace, "rsch%s", channel->ccwdev->dev.bus_id);
+	LCS_DBF_TEXT_(5, trace, "rsch%s", dev_name(&channel->ccwdev->dev));
 	rc = ccw_device_resume(channel->ccwdev);
 	if (rc) {
-		LCS_DBF_TEXT_(4, trace, "ersc%s", channel->ccwdev->dev.bus_id);
+		LCS_DBF_TEXT_(4, trace, "ersc%s",
+			      dev_name(&channel->ccwdev->dev));
 		PRINT_ERR("Error in lcs_resume_channel: rc=%d\n",rc);
 	} else
 		channel->state = LCS_CH_STATE_RUNNING;

@@ -1302,18 +1306,18 @@ lcs_check_irb_error(struct ccw_device *c
 
 	switch (PTR_ERR(irb)) {
 	case -EIO:
-		PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
+		PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev));
 		LCS_DBF_TEXT(2, trace, "ckirberr");
 		LCS_DBF_TEXT_(2, trace, "  rc%d", -EIO);
 		break;
 	case -ETIMEDOUT:
-		PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
+		PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev));
 		LCS_DBF_TEXT(2, trace, "ckirberr");
 		LCS_DBF_TEXT_(2, trace, "  rc%d", -ETIMEDOUT);
 		break;
 	default:
 		PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
-			   cdev->dev.bus_id);
+			   dev_name(&cdev->dev));
 		LCS_DBF_TEXT(2, trace, "ckirberr");
 		LCS_DBF_TEXT(2, trace, "  rc???");
 	}

@@ -1390,7 +1394,7 @@ lcs_irq(struct ccw_device *cdev, unsigne
 
 	cstat = irb->scsw.cmd.cstat;
 	dstat = irb->scsw.cmd.dstat;
-	LCS_DBF_TEXT_(5, trace, "Rint%s",cdev->dev.bus_id);
+	LCS_DBF_TEXT_(5, trace, "Rint%s", dev_name(&cdev->dev));
 	LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.cstat,
 		      irb->scsw.cmd.dstat);
 	LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.fctl,

@@ -1400,7 +1404,7 @@ lcs_irq(struct ccw_device *cdev, unsigne
 	rc = lcs_get_problem(cdev, irb);
 	if (rc || (dstat & DEV_STAT_UNIT_EXCEP)) {
 		PRINT_WARN("check on device %s, dstat=0x%X, cstat=0x%X \n",
-			    cdev->dev.bus_id, dstat, cstat);
+			    dev_name(&cdev->dev), dstat, cstat);
 		if (rc) {
 			channel->state = LCS_CH_STATE_ERROR;
 		}

@@ -1463,7 +1467,7 @@ lcs_tasklet(unsigned long data)
 	int rc;
 
 	channel = (struct lcs_channel *) data;
-	LCS_DBF_TEXT_(5, trace, "tlet%s",channel->ccwdev->dev.bus_id);
+	LCS_DBF_TEXT_(5, trace, "tlet%s", dev_name(&channel->ccwdev->dev));
 
 	/* Check for processed buffers. */
 	iob = channel->iob;

@@ -2244,7 +2248,7 @@ lcs_recovery(void *ptr)
 		return 0;
 	LCS_DBF_TEXT(4, trace, "recover2");
 	gdev = card->gdev;
-	PRINT_WARN("Recovery of device %s started...\n", gdev->dev.bus_id);
+	PRINT_WARN("Recovery of device %s started...\n", dev_name(&gdev->dev));
 	rc = __lcs_shutdown_device(gdev, 1);
 	rc = lcs_new_device(gdev);
 	if (!rc)

Index: quilt-2.6/drivers/s390/net/qeth_core.h
===================================================================
@@ -90,11 +90,11 @@ struct qeth_dbf_info {
 #define CARD_RDEV(card) card->read.ccwdev
 #define CARD_WDEV(card) card->write.ccwdev
 #define CARD_DDEV(card) card->data.ccwdev
-#define CARD_BUS_ID(card) card->gdev->dev.bus_id
-#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
-#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
-#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
-#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
+#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
+#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
+#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
+#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
+#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
 
 /**
  * card stuff

Index: quilt-2.6/drivers/s390/net/qeth_core_main.c
===================================================================
@@ -745,7 +745,7 @@ static int qeth_get_problem(struct ccw_d
 		     SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
 		QETH_DBF_TEXT(TRACE, 2, "CGENCHK");
 		PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
-			   cdev->dev.bus_id, dstat, cstat);
+			   dev_name(&cdev->dev), dstat, cstat);
 		print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET,
 				16, 1, irb, 64, 1);
 		return 1;

@@ -784,12 +784,12 @@ static long __qeth_check_irb_error(struc
 
 	switch (PTR_ERR(irb)) {
 	case -EIO:
-		PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
+		PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev));
 		QETH_DBF_TEXT(TRACE, 2, "ckirberr");
 		QETH_DBF_TEXT_(TRACE, 2, "  rc%d", -EIO);
 		break;
 	case -ETIMEDOUT:
-		PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
+		PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev));
 		QETH_DBF_TEXT(TRACE, 2, "ckirberr");
 		QETH_DBF_TEXT_(TRACE, 2, "  rc%d", -ETIMEDOUT);
 		if (intparm == QETH_RCD_PARM) {

@@ -803,7 +803,7 @@ static long __qeth_check_irb_error(struc
 		break;
 	default:
 		PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
-			   cdev->dev.bus_id);
+			   dev_name(&cdev->dev));
 		QETH_DBF_TEXT(TRACE, 2, "ckirberr");
 		QETH_DBF_TEXT(TRACE, 2, "  rc???");
 	}

@@ -4081,7 +4081,7 @@ static int qeth_core_probe_device(struct
 	if (!get_device(dev))
 		return -ENODEV;
 
-	QETH_DBF_TEXT_(SETUP, 2, "%s", gdev->dev.bus_id);
+	QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev));
 
 	card = qeth_alloc_card();
 	if (!card) {

Index: quilt-2.6/drivers/s390/scsi/zfcp_def.h
===================================================================
@@ -655,7 +655,7 @@ struct zfcp_data {
 	struct semaphore        config_sema;        /* serialises configuration
 						       changes */
 	atomic_t		loglevel;            /* current loglevel */
-	char                    init_busid[BUS_ID_SIZE];
+	char			init_busid[20];
 	wwn_t                   init_wwpn;
 	fcp_lun_t               init_fcp_lun;
 	struct kmem_cache		*fsf_req_qtcb_cache;

Index: quilt-2.6/drivers/s390/block/dcssblk.c
===================================================================
@@ -343,7 +343,7 @@ dcssblk_add_store(struct device *dev, st
 	}
 
 	strcpy(dev_info->segment_name, local_buf);
-	strlcpy(dev_info->dev.bus_id, local_buf, BUS_ID_SIZE);
+	dev_set_name(&dev_info->dev, local_buf);
 	dev_info->dev.release = dcssblk_release_segment;
 	INIT_LIST_HEAD(&dev_info->lh);
 

Index: quilt-2.6/drivers/s390/char/vmlogrdr.c
===================================================================
@@ -724,8 +724,7 @@ static int vmlogrdr_register_device(stru
 
 	dev = kzalloc(sizeof(struct device), GFP_KERNEL);
 	if (dev) {
-		snprintf(dev->bus_id, BUS_ID_SIZE, "%s",
-			 priv->internal_name);
+		dev_set_name(dev, priv->internal_name);
 		dev->bus = &iucv_bus;
 		dev->parent = iucv_root;
 		dev->driver = &vmlogrdr_driver;

Index: quilt-2.6/drivers/s390/cio/ccwgroup.c
===================================================================
@@ -269,8 +269,7 @@ int ccwgroup_create_from_string(struct d
 		goto error;
 	}
 
-	snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
-			dev_name(&gdev->cdev[0]->dev));
+	dev_set_name(&gdev->dev, "%s", dev_name(&gdev->cdev[0]->dev));
 
 	rc = device_add(&gdev->dev);
 	if (rc)

Index: quilt-2.6/drivers/s390/cio/chp.c
===================================================================
@@ -393,8 +393,7 @@ int chp_new(struct chp_id chpid)
 	chp->state = 1;
 	chp->dev.parent = &channel_subsystems[chpid.cssid]->device;
 	chp->dev.release = chp_release;
-	snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp%x.%02x", chpid.cssid,
-		 chpid.id);
+	dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);
 
 	/* Obtain channel path description and fill it in. */
 	ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc);

Index: quilt-2.6/drivers/s390/cio/css.c
===================================================================
@@ -698,7 +698,7 @@ static int __init setup_css(int nr)
 		return -ENOMEM;
 	css->pseudo_subchannel->dev.parent = &css->device;
 	css->pseudo_subchannel->dev.release = css_subchannel_release;
-	sprintf(css->pseudo_subchannel->dev.bus_id, "defunct");
+	dev_set_name(&css->pseudo_subchannel->dev, "defunct");
 	ret = cio_create_sch_lock(css->pseudo_subchannel);
 	if (ret) {
 		kfree(css->pseudo_subchannel);

@@ -707,7 +707,7 @@ static int __init setup_css(int nr)
 	mutex_init(&css->mutex);
 	css->valid = 1;
 	css->cssid = nr;
-	sprintf(css->device.bus_id, "css%x", nr);
+	dev_set_name(&css->device, "css%x", nr);
 	css->device.release = channel_subsystem_release;
 	tod_high = (u32) (get_clock() >> 32);
 	css_generate_pgid(css, tod_high);

Index: quilt-2.6/drivers/s390/crypto/ap_bus.c
===================================================================
@@ -892,8 +892,8 @@ static void ap_scan_bus(struct work_stru
 
 		ap_dev->device.bus = &ap_bus_type;
 		ap_dev->device.parent = ap_root_device;
-		snprintf(ap_dev->device.bus_id, BUS_ID_SIZE, "card%02x",
-			 AP_QID_DEVICE(ap_dev->qid));
+		dev_set_name(&ap_dev->device, "card%02x",
+			     AP_QID_DEVICE(ap_dev->qid));
 		ap_dev->device.release = ap_device_release;
 		rc = device_register(&ap_dev->device);
 		if (rc) {

Index: quilt-2.6/drivers/s390/net/netiucv.c
===================================================================
@@ -1724,7 +1724,7 @@ static int netiucv_register_device(struc
 	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	if (dev) {
-		snprintf(dev->bus_id, BUS_ID_SIZE, "net%s", ndev->name);
+		dev_set_name(dev, "net%s", ndev->name);
 		dev->bus = &iucv_bus;
 		dev->parent = iucv_root;
 		/*

Index: quilt-2.6/drivers/s390/s390_rdev.c
===================================================================
@@ -30,7 +30,7 @@ s390_root_dev_register(const char *name)
 	dev = kzalloc(sizeof(struct device), GFP_KERNEL);
 	if (!dev)
 		return ERR_PTR(-ENOMEM);
-	strncpy(dev->bus_id, name, min(strlen(name), (size_t)BUS_ID_SIZE));
+	dev_set_name(dev, name);
 	dev->release = s390_root_dev_release;
 	ret = device_register(dev);
 	if (ret) {

Index: quilt-2.6/drivers/s390/scsi/zfcp_aux.c
===================================================================
@@ -290,7 +290,7 @@ struct zfcp_unit *zfcp_unit_enqueue(stru
 	unit->port = port;
 	unit->fcp_lun = fcp_lun;
 
-	snprintf(unit->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx", fcp_lun);
+	dev_set_name(&unit->sysfs_device, "0x%016llx", fcp_lun);
 	unit->sysfs_device.parent = &port->sysfs_device;
 	unit->sysfs_device.release = zfcp_sysfs_unit_release;
 	dev_set_drvdata(&unit->sysfs_device, unit);

@@ -539,8 +539,7 @@ int zfcp_adapter_enqueue(struct ccw_devi
 
 	adapter->generic_services.parent = &adapter->ccw_device->dev;
 	adapter->generic_services.release = zfcp_dummy_release;
-	snprintf(adapter->generic_services.bus_id, BUS_ID_SIZE,
-		 "generic_services");
+	dev_set_name(&adapter->generic_services, "generic_services");
 
 	if (device_register(&adapter->generic_services))
 		goto generic_services_failed;

@@ -678,11 +677,10 @@ struct zfcp_port *zfcp_port_enqueue(stru
 			kfree(port);
 			return ERR_PTR(-EINVAL);
 		}
-		snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, "%s", bus_id);
+		dev_set_name(&port->sysfs_device, "%s", bus_id);
 		port->sysfs_device.parent = &adapter->generic_services;
 	} else {
-		snprintf(port->sysfs_device.bus_id,
-			 BUS_ID_SIZE, "0x%016llx", wwpn);
+		dev_set_name(&port->sysfs_device, "0x%016llx", wwpn);
 		port->sysfs_device.parent = &adapter->ccw_device->dev;
 	}
 

Index: quilt-2.6/drivers/s390/char/raw3270.c
===================================================================
@@ -1171,7 +1171,7 @@ static int raw3270_create_attributes(str
 	rp->clttydev = device_create_drvdata(class3270, &rp->cdev->dev,
 					     MKDEV(IBM_TTY3270_MAJOR, rp->minor),
 					     NULL,
-					     "tty%s", rp->cdev->dev.bus_id);
+					     "tty%s", dev_name(&rp->cdev->dev));
 	if (IS_ERR(rp->clttydev)) {
 		rc = PTR_ERR(rp->clttydev);
 		goto out_ttydev;

@@ -1180,7 +1180,7 @@ static int raw3270_create_attributes(str
 	rp->cltubdev = device_create_drvdata(class3270, &rp->cdev->dev,
 					     MKDEV(IBM_FS3270_MAJOR, rp->minor),
 					     NULL,
-					     "tub%s", rp->cdev->dev.bus_id);
+					     "tub%s", dev_name(&rp->cdev->dev));
 	if (!IS_ERR(rp->cltubdev))
 		goto out;
 

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -1526,7 +1526,7 @@ void ccw_device_set_notoper(struct ccw_d
 	struct subchannel *sch = to_subchannel(cdev->dev.parent);
 
 	CIO_TRACE_EVENT(2, "notoper");
-	CIO_TRACE_EVENT(2, sch->dev.bus_id);
+	CIO_TRACE_EVENT(2, dev_name(&sch->dev));
 	ccw_device_set_timeout(cdev, 0);
 	cio_disable_subchannel(sch);
 	cdev->private->state = DEV_STATE_NOT_OPER;

Index: quilt-2.6/drivers/s390/net/claw.c
===================================================================
@@ -2880,7 +2880,8 @@ claw_new_device(struct ccwgroup_device *
 	int ret;
 	struct ccw_dev_id dev_id;
 
-	printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
+	printk(KERN_INFO "claw: add for %s\n",
+	       dev_name(&cgdev->cdev[READ]->dev));
 	CLAW_DBF_TEXT(2, setup, "new_dev");
 	privptr = cgdev->dev.driver_data;
 	cgdev->cdev[READ]->dev.driver_data = privptr;

@@ -2904,14 +2905,16 @@ claw_new_device(struct ccwgroup_device *
 	if (ret != 0) {
 		printk(KERN_WARNING
 			"claw: ccw_device_set_online %s READ failed "
-			"with ret = %d\n",cgdev->cdev[READ]->dev.bus_id,ret);
+		       "with ret = %d\n", dev_name(&cgdev->cdev[READ]->dev),
+		       ret);
 		goto out;
 	}
 	ret = ccw_device_set_online(cgdev->cdev[WRITE]);
 	if (ret != 0) {
 		printk(KERN_WARNING
 			"claw: ccw_device_set_online %s WRITE failed "
-			"with ret = %d\n",cgdev->cdev[WRITE]->dev.bus_id, ret);
+		       "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev)
+		       ret);
 		goto out;
 	}
 	dev = alloc_netdev(0,"claw%d",claw_init_netdevice);

@@ -2987,7 +2990,7 @@ claw_shutdown_device(struct ccwgroup_dev
 	struct net_device *ndev;
 	int	ret;
 
-	CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
+	CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev));
 	priv = cgdev->dev.driver_data;
 	if (!priv)
 		return -ENODEV;

@@ -3017,7 +3020,7 @@ claw_remove_device(struct ccwgroup_devic
 	struct claw_privbk *priv;
 
 	BUG_ON(!cgdev);
-	CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
+	CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev));
 	priv = cgdev->dev.driver_data;
 	BUG_ON(!priv);
 	printk(KERN_INFO "claw: %s() called %s will be removed.\n",

Index: quilt-2.6/drivers/s390/net/ctcm_main.c
===================================================================
@@ -1518,8 +1518,8 @@ static int ctcm_new_device(struct ccwgro
 
 	type = get_channel_type(&cdev0->id);
 
-	snprintf(read_id, CTCM_ID_SIZE, "ch-%s", cdev0->dev.bus_id);
-	snprintf(write_id, CTCM_ID_SIZE, "ch-%s", cdev1->dev.bus_id);
+	snprintf(read_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev0->dev));
+	snprintf(write_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev1->dev));
 
 	ret = add_channel(cdev0, type, priv);
 	if (ret)

Index: quilt-2.6/drivers/s390/scsi/zfcp_def.h
===================================================================
@@ -682,7 +682,7 @@ struct zfcp_fsf_req_qtcb {
            ((atomic_read(target) & mask) == mask)
 #endif
 
-#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id)
+#define zfcp_get_busid_by_adapter(adapter) (dev_name(&adapter->ccw_device->dev))
 #define zfcp_get_busid_by_port(port) (zfcp_get_busid_by_adapter(port->adapter))
 #define zfcp_get_busid_by_unit(unit) (zfcp_get_busid_by_port(unit->port))
 

Index: quilt-2.6/drivers/s390/scsi/zfcp_erp.c
===================================================================
@@ -1439,7 +1439,7 @@ static int zfcp_erp_thread(void *data)
 	struct zfcp_erp_action *act;
 	unsigned long flags;
 
-	daemonize("zfcperp%s", adapter->ccw_device->dev.bus_id);
+	daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev));
 	/* Block all signals */
 	siginitsetinv(&current->blocked, 0);
 	atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);

Index: quilt-2.6/drivers/s390/scsi/zfcp_sysfs.c
===================================================================
@@ -394,7 +394,7 @@ static ssize_t zfcp_sysfs_scsi_##_name##
 static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);
 
 ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n",
-	unit->port->adapter->ccw_device->dev.bus_id);
+		      dev_name(&unit->port->adapter->ccw_device->dev));
 ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n", unit->port->wwpn);
 ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n", unit->fcp_lun);
 

Index: quilt-2.6/drivers/s390/kvm/kvm_virtio.c
===================================================================
@@ -24,6 +24,7 @@
 #include <asm/kvm_virtio.h>
 #include <asm/setup.h>
 #include <asm/s390_ext.h>
+#include <asm/s390_rdev.h>
 
 #define VIRTIO_SUBCODE_64 0x0D00
 

@@ -241,10 +242,7 @@ static struct virtio_config_ops kvm_vq_c
  * 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",
-};
+static struct device *kvm_root;
 
 /*
  * adds a new device and register it with virtio

@@ -261,7 +259,7 @@ static void add_kvm_device(struct kvm_de
 		return;
 	}
 
-	kdev->vdev.dev.parent = &kvm_root;
+	kdev->vdev.dev.parent = kvm_root;
 	kdev->vdev.id.device = d->type;
 	kdev->vdev.config = &kvm_vq_configspace_ops;
 	kdev->desc = d;

@@ -317,15 +315,16 @@ static int __init kvm_devices_init(void)
 	if (!MACHINE_IS_KVM)
 		return -ENODEV;
 
-	rc = device_register(&kvm_root);
-	if (rc) {
+	kvm_root = s390_root_dev_register("kvm_s390");
+	if (IS_ERR(kvm_root)) {
+		rc = PTR_ERR(kvm_root);
 		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);
+		s390_root_dev_unregister(kvm_root);
 		return rc;
 	}
 

Index: quilt-2.6/drivers/s390/cio/qdio_debug.c
===================================================================
@@ -155,7 +155,7 @@ static int qstat_seq_open(struct inode *
 static void get_queue_name(struct qdio_q *q, struct ccw_device *cdev, char *name)
 {
 	memset(name, 0, sizeof(name));
-	sprintf(name, "%s", cdev->dev.bus_id);
+	sprintf(name, "%s", dev_name(&cdev->dev));
 	if (q->is_input_q)
 		sprintf(name + strlen(name), "_input");
 	else

Index: quilt-2.6/drivers/s390/cio/qdio_main.c
===================================================================
@@ -962,7 +962,7 @@ static void qdio_handle_activate_check(s
 	char dbf_text[15];
 
 	QDIO_DBF_TEXT2(1, trace, "ick2");
-	sprintf(dbf_text, "%s", cdev->dev.bus_id);
+	sprintf(dbf_text, "%s", dev_name(&cdev->dev));
 	QDIO_DBF_TEXT2(1, trace, dbf_text);
 	QDIO_DBF_HEX2(0, trace, &intparm, sizeof(int));
 	QDIO_DBF_HEX2(0, trace, &dstat, sizeof(int));

Index: quilt-2.6/drivers/s390/cio/qdio_setup.c
===================================================================
@@ -447,7 +447,7 @@ void qdio_print_subchannel_info(struct q
 {
 	char s[80];
 
-	sprintf(s, "%s sc:%x ", cdev->dev.bus_id, irq_ptr->schid.sch_no);
+	sprintf(s, "%s sc:%x ", dev_name(&cdev->dev), irq_ptr->schid.sch_no);
 
 	switch (irq_ptr->qib.qfmt) {
 	case QDIO_QETH_QFMT:

@@ -477,7 +477,7 @@ void qdio_print_subchannel_info(struct q
 	printk(KERN_INFO "qdio: %s", s);
 
 	memset(s, 0, sizeof(s));
-	sprintf(s, "%s SIGA required: ", cdev->dev.bus_id);
+	sprintf(s, "%s SIGA required: ", dev_name(&cdev->dev));
 	if (irq_ptr->siga_flag.input)
 		sprintf(s + strlen(s), "Read ");
 	if (irq_ptr->siga_flag.output)

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -571,8 +571,10 @@ int cio_validate_subchannel(struct subch
 	}
 	mutex_init(&sch->reg_mutex);
 	/* Set a name for the subchannel */
-	snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", schid.ssid,
-		  schid.sch_no);
+	if (cio_is_console(schid))
+		sch->dev.init_name = cio_get_console_sch_name(schid);
+	else
+		dev_set_name(&sch->dev, "0.%x.%04x", schid.ssid, schid.sch_no);
 
 	/*
 	 * The first subchannel that is not-operational (ccode==3)

@@ -677,6 +679,7 @@ do_IRQ (struct pt_regs *regs)
 
 #ifdef CONFIG_CCW_CONSOLE
 static struct subchannel console_subchannel;
+static char console_sch_name[10] = "0.x.xxxx";
 static struct io_subchannel_private console_priv;
 static int console_subchannel_in_use;
 

@@ -827,6 +830,12 @@ cio_get_console_subchannel(void)
 	return &console_subchannel;
 }
 
+const char *cio_get_console_sch_name(struct subchannel_id schid)
+{
+	snprintf(console_sch_name, 10, "0.%x.%04x", schid.ssid, schid.sch_no);
+	return (const char *)console_sch_name;
+}
+
 #endif
 static int
 __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)

Index: quilt-2.6/drivers/s390/cio/cio.h
===================================================================
@@ -117,11 +117,15 @@ extern int cio_is_console(struct subchan
 extern struct subchannel *cio_get_console_subchannel(void);
 extern spinlock_t * cio_get_console_lock(void);
 extern void *cio_get_console_priv(void);
+extern const char *cio_get_console_sch_name(struct subchannel_id schid);
+extern const char *cio_get_console_cdev_name(struct subchannel *sch);
 #else
 #define cio_is_console(schid) 0
 #define cio_get_console_subchannel() NULL
 #define cio_get_console_lock() NULL
 #define cio_get_console_priv() NULL
+#define cio_get_console_sch_name(schid) NULL
+#define cio_get_console_cdev_name(sch) NULL
 #endif
 
 #endif

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -1035,8 +1035,11 @@ io_subchannel_recog(struct ccw_device *c
 	init_timer(&priv->timer);
 
 	/* Set an initial name for the device. */
-	snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x",
-		  sch->schid.ssid, sch->schib.pmcw.dev);
+	if (cio_is_console(sch->schid))
+		cdev->dev.init_name = cio_get_console_cdev_name(sch);
+	else
+		dev_set_name(&cdev->dev, "0.%x.%04x",
+			     sch->schid.ssid, sch->schib.pmcw.dev);
 
 	/* Increase counter of devices currently in recognition. */
 	atomic_inc(&ccw_device_init_count);

@@ -1625,6 +1628,7 @@ static int io_subchannel_sch_event(struc
 
 #ifdef CONFIG_CCW_CONSOLE
 static struct ccw_device console_cdev;
+static char console_cdev_name[10] = "0.x.xxxx";
 static struct ccw_device_private console_private;
 static int console_cdev_in_use;
 

@@ -1695,6 +1699,14 @@ ccw_device_probe_console(void)
 	console_cdev.online = 1;
 	return &console_cdev;
 }
+
+
+const char *cio_get_console_cdev_name(struct subchannel *sch)
+{
+	snprintf(console_cdev_name, 10, "0.%x.%04x",
+		 sch->schid.ssid, sch->schib.pmcw.dev);
+	return (const char *)console_cdev_name;
+}
 #endif
 
 /*

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -901,7 +901,7 @@ static void cio_reset_pgm_check_handler(
 	pgm_check_occured = 1;
 }
 
-static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr)
+static int stsch_reset(struct subchannel_id schid, struct schib *addr)
 {
 	int rc;
 

111 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/io_sch.h
===================================================================
@@ -123,7 +123,7 @@ struct ccw_device_private {
 	void *cmb_wait;			/* deferred cmb enable/disable */
 };
 
-static inline int ssch(struct subchannel_id schid, volatile union orb *addr)
+static inline int ssch(struct subchannel_id schid, union orb *addr)
 {
 	register struct subchannel_id reg1 asm("1") = schid;
 	int ccode = -EIO;

@@ -134,7 +134,9 @@ static inline int ssch(struct subchannel
 		"	srl	%0,28\n"
 		"1:\n"
 		EX_TABLE(0b, 1b)
-		: "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+		: "+d" (ccode)
+		: "d" (reg1), "a" (addr), "m" (*addr)
+		: "cc", "memory");
 	return ccode;
 }
 

@@ -147,7 +149,9 @@ static inline int rsch(struct subchannel
 		"	rsch\n"
 		"	ipm	%0\n"
 		"	srl	%0,28"
-		: "=d" (ccode) : "d" (reg1) : "cc");
+		: "=d" (ccode)
+		: "d" (reg1)
+		: "cc", "memory");
 	return ccode;
 }
 

@@ -160,7 +164,9 @@ static inline int csch(struct subchannel
 		"	csch\n"
 		"	ipm	%0\n"
 		"	srl	%0,28"
-		: "=d" (ccode) : "d" (reg1) : "cc");
+		: "=d" (ccode)
+		: "d" (reg1)
+		: "cc");
 	return ccode;
 }
 

@@ -173,7 +179,9 @@ static inline int hsch(struct subchannel
 		"	hsch\n"
 		"	ipm	%0\n"
 		"	srl	%0,28"
-		: "=d" (ccode) : "d" (reg1) : "cc");
+		: "=d" (ccode)
+		: "d" (reg1)
+		: "cc");
 	return ccode;
 }
 

@@ -186,7 +194,9 @@ static inline int xsch(struct subchannel
 		"	.insn	rre,0xb2760000,%1,0\n"
 		"	ipm	%0\n"
 		"	srl	%0,28"
-		: "=d" (ccode) : "d" (reg1) : "cc");
+		: "=d" (ccode)
+		: "d" (reg1)
+		: "cc");
 	return ccode;
 }
 

Index: quilt-2.6/arch/s390/include/asm/qdio.h
===================================================================
@@ -299,7 +299,13 @@ struct qdio_ssqd_desc {
 	u8 mbccnt;
 	u16 qdioac2;
 	u64 sch_token;
-	u64:64;
+	u8 mro;
+	u8 mri;
+	u8:8;
+	u8 sbalic;
+	u16:16;
+	u8:8;
+	u8 mmwc;
 } __attribute__ ((packed));
 
 /* params are: ccw_device, qdio_error, queue_number,

Index: quilt-2.6/drivers/s390/cio/qdio.h
===================================================================
@@ -203,6 +203,9 @@ struct qdio_output_q {
 	/* PCIs are enabled for the queue */
 	int pci_out_enabled;
 
+	/* IQDIO: output multiple buffers (enhanced SIGA) */
+	int use_enh_siga;
+
 	/* timer to check for more outbound work */
 	struct timer_list timer;
 };

Index: quilt-2.6/drivers/s390/cio/qdio_main.c
===================================================================
@@ -316,6 +316,9 @@ static inline int qdio_do_siga_output(st
 	unsigned int fc = 0;
 	unsigned long schid;
 
+	if (q->u.out.use_enh_siga) {
+		fc = 3;
+	}
 	if (!is_qebsm(q))
 		schid = *((u32 *)&q->irq_ptr->schid);
 	else {

@@ -1449,6 +1452,8 @@ int qdio_establish(struct qdio_initializ
 	}
 
 	qdio_setup_ssqd_info(irq_ptr);
+	sprintf(dbf_text, "qDmmwc%2x", irq_ptr->ssqd_desc.mmwc);
+	QDIO_DBF_TEXT2(0, setup, dbf_text);
 	sprintf(dbf_text, "qib ac%2x", irq_ptr->qib.ac);
 	QDIO_DBF_TEXT2(0, setup, dbf_text);
 

@@ -1621,12 +1626,21 @@ static void handle_outbound(struct qdio_
 		if (multicast_outbound(q))
 			qdio_kick_outbound_q(q);
 		else
-			/*
-			 * One siga-w per buffer required for unicast
-			 * HiperSockets.
-			 */
-			while (count--)
+			if ((q->irq_ptr->ssqd_desc.mmwc > 1) &&
+			    (count > 1) &&
+			    (count <= q->irq_ptr->ssqd_desc.mmwc)) {
+				/* exploit enhanced SIGA */
+				q->u.out.use_enh_siga = 1;
 				qdio_kick_outbound_q(q);
+			} else {
+				/*
+				* One siga-w per buffer required for unicast
+				* HiperSockets.
+				*/
+				q->u.out.use_enh_siga = 0;
+				while (count--)
+					qdio_kick_outbound_q(q);
+			}
 		goto out;
 	}
 

Index: quilt-2.6/arch/s390/kernel/compat_linux.c
===================================================================
@@ -608,14 +608,6 @@ asmlinkage long sys32_settimeofday(struc
 	return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-/* These are here just in case some old sparc32 binary calls it. */
-asmlinkage long sys32_pause(void)
-{
-	current->state = TASK_INTERRUPTIBLE;
-	schedule();
-	return -ERESTARTNOHAND;
-}
-
 asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
 				size_t count, u32 poshi, u32 poslo)
 {

Index: quilt-2.6/arch/s390/kernel/compat_linux.h
===================================================================
@@ -206,7 +206,6 @@ long sys32_gettimeofday(struct compat_ti
 			struct timezone __user *tz);
 long sys32_settimeofday(struct compat_timeval __user *tv,
 			struct timezone __user *tz);
-long sys32_pause(void);
 long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
 		   u32 poshi, u32 poslo);
 long sys32_pwrite64(unsigned int fd, const char __user *ubuf,

Index: quilt-2.6/arch/s390/include/asm/ptrace.h
===================================================================
@@ -490,6 +490,7 @@ extern void user_disable_single_step(str
 
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
 #define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
+#define user_stack_pointer(regs)((regs)->gprs[15])
 #define regs_return_value(regs)((regs)->gprs[2])
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs * regs);

80 lines not on this page · raw message

Index: quilt-2.6/arch/s390/include/asm/thread_info.h
===================================================================
@@ -86,6 +86,7 @@ static inline struct thread_info *curren
  * thread information flags bit numbers
  */
 #define TIF_SYSCALL_TRACE	0	/* syscall trace active */
+#define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
 #define TIF_RESTART_SVC		4	/* restart svc with new svc number */

@@ -100,6 +101,7 @@ static inline struct thread_info *curren
 #define TIF_RESTORE_SIGMASK	20	/* restore signal mask in do_signal() */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)

79 lines not on this page · raw message

Index: quilt-2.6/arch/s390/kernel/signal.c
===================================================================
@@ -24,6 +24,7 @@
 #include <linux/tty.h>
 #include <linux/personality.h>
 #include <linux/binfmts.h>
+#include <linux/tracehook.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/lowcore.h>

@@ -507,6 +508,12 @@ void do_signal(struct pt_regs *regs)
 			 */
 			if (current->thread.per_info.single_step)
 				set_thread_flag(TIF_SINGLE_STEP);
+
+			/*
+			 * Let tracing know that we've done the handler setup.
+			 */
+			tracehook_signal_handler(signr, &info, &ka, regs,
+					 test_thread_flag(TIF_SINGLE_STEP));
 		}
 		return;
 	}

@@ -526,3 +533,9 @@ void do_signal(struct pt_regs *regs)
 		set_thread_flag(TIF_RESTART_SVC);
 	}
 }
+
+void do_notify_resume(struct pt_regs *regs)
+{
+	clear_thread_flag(TIF_NOTIFY_RESUME);
+	tracehook_notify_resume(regs);
+}

Index: quilt-2.6/arch/s390/mm/extmem.c
===================================================================
@@ -43,20 +43,40 @@
 #define DCSS_FINDSEG    0x0c
 #define DCSS_LOADNOLY   0x10
 #define DCSS_SEGEXT     0x18
+#define DCSS_LOADSHRX	0x20
+#define DCSS_LOADNSRX	0x24
+#define DCSS_FINDSEGX	0x2c
+#define DCSS_SEGEXTX	0x38
 #define DCSS_FINDSEGA   0x0c
 
 struct qrange {
-	unsigned int  start; // 3byte start address, 1 byte type
-	unsigned int  end;   // 3byte end address, 1 byte reserved
+	unsigned long  start; /* last byte type */
+	unsigned long  end;   /* last byte reserved */
 };
 
 struct qout64 {
+	unsigned long segstart;
+	unsigned long segend;
+	int segcnt;
+	int segrcnt;
+	struct qrange range[6];
+};
+
+#ifdef CONFIG_64BIT
+struct qrange_old {
+	unsigned int start; /* last byte type */
+	unsigned int end;   /* last byte reserved */
+};
+
+/* output area format for the Diag x'64' old subcode x'18' */
+struct qout64_old {
 	int segstart;
 	int segend;
 	int segcnt;
 	int segrcnt;
-	struct qrange range[6];
+	struct qrange_old range[6];
 };
+#endif
 
 struct qin64 {
 	char qopcode;

@@ -86,6 +106,55 @@ static DEFINE_MUTEX(dcss_lock);
 static LIST_HEAD(dcss_list);
 static char *segtype_string[] = { "SW", "EW", "SR", "ER", "SN", "EN", "SC",
 					"EW/EN-MIXED" };
+static int loadshr_scode, loadnsr_scode, findseg_scode;
+static int segext_scode, purgeseg_scode;
+static int scode_set;
+
+/* set correct Diag x'64' subcodes. */
+static int
+dcss_set_subcodes(void)
+{
+#ifdef CONFIG_64BIT
+	char *name = kmalloc(8 * sizeof(char), GFP_DMA);
+	unsigned long rx, ry;
+	int rc;
+
+	if (name == NULL)
+		return -ENOMEM;
+
+	rx = (unsigned long) name;
+	ry = DCSS_FINDSEGX;
+
+	strcpy(name, "dummy");
+	asm volatile(
+		"	diag	%0,%1,0x64\n"
+		"0:	ipm	%2\n"
+		"	srl	%2,28\n"
+		"	j	2f\n"
+		"1:	la	%2,3\n"
+		"2:\n"
+		EX_TABLE(0b, 1b)
+		: "+d" (rx), "+d" (ry), "=d" (rc) : : "cc");
+
+	kfree(name);
+	/* Diag x'64' new subcodes are supported, set to new subcodes */
+	if (rc != 3) {
+		loadshr_scode = DCSS_LOADSHRX;
+		loadnsr_scode = DCSS_LOADNSRX;
+		purgeseg_scode = DCSS_PURGESEG;
+		findseg_scode = DCSS_FINDSEGX;
+		segext_scode = DCSS_SEGEXTX;
+		return 0;
+	}
+#endif
+	/* Diag x'64' new subcodes are not supported, set to old subcodes */
+	loadshr_scode = DCSS_LOADNOLY;
+	loadnsr_scode = DCSS_LOADNSR;
+	purgeseg_scode = DCSS_PURGESEG;
+	findseg_scode = DCSS_FINDSEG;
+	segext_scode = DCSS_SEGEXT;
+	return 0;
+}
 
 /*
  * Create the 8 bytes, ebcdic VM segment name from

@@ -135,25 +204,45 @@ segment_by_name (char *name)
  * Perform a function on a dcss segment.
  */
 static inline int
-dcss_diag (__u8 func, void *parameter,
+dcss_diag(int *func, void *parameter,
            unsigned long *ret1, unsigned long *ret2)
 {
 	unsigned long rx, ry;
 	int rc;
 
+	if (scode_set == 0) {
+		rc = dcss_set_subcodes();
+		if (rc < 0)
+			return rc;
+		scode_set = 1;
+	}
 	rx = (unsigned long) parameter;
-	ry = (unsigned long) func;
-	asm volatile(
+	ry = (unsigned long) *func;
+
 #ifdef CONFIG_64BIT
-		"	sam31\n"
-		"	diag	%0,%1,0x64\n"
-		"	sam64\n"
+	/* 64-bit Diag x'64' new subcode, keep in 64-bit addressing mode */
+	if (*func > DCSS_SEGEXT)
+		asm volatile(
+			"	diag	%0,%1,0x64\n"
+			"	ipm	%2\n"
+			"	srl	%2,28\n"
+			: "+d" (rx), "+d" (ry), "=d" (rc) : : "cc");
+	/* 31-bit Diag x'64' old subcode, switch to 31-bit addressing mode */
+	else
+		asm volatile(
+			"	sam31\n"
+			"	diag	%0,%1,0x64\n"
+			"	sam64\n"
+			"	ipm	%2\n"
+			"	srl	%2,28\n"
+			: "+d" (rx), "+d" (ry), "=d" (rc) : : "cc");
 #else
+	asm volatile(
 		"	diag	%0,%1,0x64\n"
-#endif
 		"	ipm	%2\n"
 		"	srl	%2,28\n"
 		: "+d" (rx), "+d" (ry), "=d" (rc) : : "cc");
+#endif
 	*ret1 = rx;
 	*ret2 = ry;
 	return rc;

@@ -190,14 +279,45 @@ query_segment_type (struct dcss_segment 
 	qin->qoutlen = sizeof(struct qout64);
 	memcpy (qin->qname, seg->dcss_name, 8);
 
-	diag_cc = dcss_diag (DCSS_SEGEXT, qin, &dummy, &vmrc);
+	diag_cc = dcss_diag(&segext_scode, qin, &dummy, &vmrc);
 
+	if (diag_cc < 0) {
+		rc = diag_cc;
+		goto out_free;
+	}
 	if (diag_cc > 1) {
 		PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc);
 		rc = dcss_diag_translate_rc (vmrc);
 		goto out_free;
 	}
 
+#ifdef CONFIG_64BIT
+	/* Only old format of output area of Diagnose x'64' is supported,
+	   copy data for the new format. */
+	if (segext_scode == DCSS_SEGEXT) {
+		struct qout64_old *qout_old;
+		qout_old = kzalloc(sizeof(struct qout64_old), GFP_DMA);
+		if (qout_old == NULL) {
+			rc = -ENOMEM;
+			goto out_free;
+		}
+		memcpy(qout_old, qout, sizeof(struct qout64_old));
+		qout->segstart = (unsigned long) qout_old->segstart;
+		qout->segend = (unsigned long) qout_old->segend;
+		qout->segcnt = qout_old->segcnt;
+		qout->segrcnt = qout_old->segrcnt;
+
+		if (qout->segcnt > 6)
+			qout->segrcnt = 6;
+		for (i = 0; i < qout->segrcnt; i++) {
+			qout->range[i].start =
+				(unsigned long) qout_old->range[i].start;
+			qout->range[i].end =
+				(unsigned long) qout_old->range[i].end;
+		}
+		kfree(qout_old);
+	}
+#endif
 	if (qout->segcnt > 6) {
 		rc = -ENOTSUPP;
 		goto out_free;

@@ -269,6 +389,30 @@ segment_type (char* name)
 }
 
 /*
+ * check if segment collides with other segments that are currently loaded
+ * returns 1 if this is the case, 0 if no collision was found
+ */
+static int
+segment_overlaps_others (struct dcss_segment *seg)
+{
+	struct list_head *l;
+	struct dcss_segment *tmp;
+
+	BUG_ON(!mutex_is_locked(&dcss_lock));
+	list_for_each(l, &dcss_list) {
+		tmp = list_entry(l, struct dcss_segment, list);
+		if ((tmp->start_addr >> 20) > (seg->end >> 20))
+			continue;
+		if ((tmp->end >> 20) < (seg->start_addr >> 20))
+			continue;
+		if (seg == tmp)
+			continue;
+		return 1;
+	}
+	return 0;
+}
+
+/*
  * real segment loading function, called from segment_load
  */
 static int

@@ -276,7 +420,8 @@ __segment_load (char *name, int do_nonsh
 {
 	struct dcss_segment *seg = kmalloc(sizeof(struct dcss_segment),
 			GFP_DMA);
-	int dcss_command, rc, diag_cc;
+	int rc, diag_cc;
+	unsigned long start_addr, end_addr, dummy;
 
 	if (seg == NULL) {
 		rc = -ENOMEM;

@@ -287,6 +432,13 @@ __segment_load (char *name, int do_nonsh
 	if (rc < 0)
 		goto out_free;
 
+	if (loadshr_scode == DCSS_LOADSHRX) {
+		if (segment_overlaps_others(seg)) {
+			rc = -EBUSY;
+			goto out_free;
+		}
+	}
+
 	rc = vmem_add_mapping(seg->start_addr, seg->end - seg->start_addr + 1);
 
 	if (rc)

@@ -316,20 +468,28 @@ __segment_load (char *name, int do_nonsh
 	}
 
 	if (do_nonshared)
-		dcss_command = DCSS_LOADNSR;
+		diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name,
+				&start_addr, &end_addr);
 	else
-		dcss_command = DCSS_LOADNOLY;
-
-	diag_cc = dcss_diag(dcss_command, seg->dcss_name,
-			&seg->start_addr, &seg->end);
+		diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name,
+				&start_addr, &end_addr);
+	if (diag_cc < 0) {
+		dcss_diag(&purgeseg_scode, seg->dcss_name,
+				&dummy, &dummy);
+		rc = diag_cc;
+		goto out_resource;
+	}
 	if (diag_cc > 1) {
 		PRINT_WARN ("segment_load: could not load segment %s - "
-				"diag returned error (%ld)\n",name,seg->end);
-		rc = dcss_diag_translate_rc (seg->end);
-		dcss_diag(DCSS_PURGESEG, seg->dcss_name,
-				&seg->start_addr, &seg->end);
+				"diag returned error (%ld)\n",
+				name, end_addr);
+		rc = dcss_diag_translate_rc(end_addr);
+		dcss_diag(&purgeseg_scode, seg->dcss_name,
+				&dummy, &dummy);
 		goto out_resource;
 	}
+	seg->start_addr = start_addr;
+	seg->end = end_addr;
 	seg->do_nonshared = do_nonshared;
 	atomic_set(&seg->ref_count, 1);
 	list_add(&seg->list, &dcss_list);

@@ -423,8 +583,8 @@ int
 segment_modify_shared (char *name, int do_nonshared)
 {
 	struct dcss_segment *seg;
-	unsigned long dummy;
-	int dcss_command, rc, diag_cc;
+	unsigned long start_addr, end_addr, dummy;
+	int rc, diag_cc;
 
 	mutex_lock(&dcss_lock);
 	seg = segment_by_name (name);

@@ -445,38 +605,51 @@ segment_modify_shared (char *name, int d
 		goto out_unlock;
 	}
 	release_resource(seg->res);
-	if (do_nonshared) {
-		dcss_command = DCSS_LOADNSR;
+	if (do_nonshared)
 		seg->res->flags &= ~IORESOURCE_READONLY;
-	} else {
-		dcss_command = DCSS_LOADNOLY;
+	else
 		if (seg->vm_segtype == SEG_TYPE_SR ||
 		    seg->vm_segtype == SEG_TYPE_ER)
 			seg->res->flags |= IORESOURCE_READONLY;
-	}
+
 	if (request_resource(&iomem_resource, seg->res)) {
 		PRINT_WARN("segment_modify_shared: could not reload segment %s"
 			   " - overlapping resources\n", name);
 		rc = -EBUSY;
 		kfree(seg->res);
-		goto out_del;
+		goto out_del_mem;
+	}
+
+	dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy);
+	if (do_nonshared)
+		diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name,
+				&start_addr, &end_addr);
+	else
+		diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name,
+				&start_addr, &end_addr);
+	if (diag_cc < 0) {
+		rc = diag_cc;
+		goto out_del_res;
 	}
-	dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy);
-	diag_cc = dcss_diag(dcss_command, seg->dcss_name,
-			&seg->start_addr, &seg->end);
 	if (diag_cc > 1) {
 		PRINT_WARN ("segment_modify_shared: could not reload segment %s"
-				" - diag returned error (%ld)\n",name,seg->end);
-		rc = dcss_diag_translate_rc (seg->end);
-		goto out_del;
+				" - diag returned error (%ld)\n",
+				name, end_addr);
+		rc = dcss_diag_translate_rc(end_addr);
+		goto out_del_res;
 	}
+	seg->start_addr = start_addr;
+	seg->end = end_addr;
 	seg->do_nonshared = do_nonshared;
 	rc = 0;
 	goto out_unlock;
- out_del:
+ out_del_res:
+	release_resource(seg->res);
+	kfree(seg->res);
+ out_del_mem:
 	vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1);
 	list_del(&seg->list);
-	dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy);
+	dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy);
 	kfree(seg);
  out_unlock:
 	mutex_unlock(&dcss_lock);

@@ -510,7 +683,7 @@ segment_unload(char *name)
 	kfree(seg->res);
 	vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1);
 	list_del(&seg->list);
-	dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy);
+	dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy);
 	kfree(seg);
 out_unlock:
 	mutex_unlock(&dcss_lock);

@@ -545,7 +718,7 @@ segment_save(char *name)
 	endpfn = (seg->end) >> PAGE_SHIFT;
 	sprintf(cmd1, "DEFSEG %s", name);
 	for (i=0; i<seg->segcnt; i++) {
-		sprintf(cmd1+strlen(cmd1), " %X-%X %s",
+		sprintf(cmd1+strlen(cmd1), " %lX-%lX %s",
 			seg->range[i].start >> PAGE_SHIFT,
 			seg->range[i].end >> PAGE_SHIFT,
 			segtype_string[seg->range[i].start & 0xff]);

772 lines not on this page · raw message

Index: quilt-2.6/arch/s390/kernel/time.c
===================================================================
@@ -169,6 +169,8 @@ void init_cpu_timer(void)
 
 static void clock_comparator_interrupt(__u16 code)
 {
+	if (S390_lowcore.clock_comparator == -1ULL)
+		set_clock_comparator(S390_lowcore.clock_comparator);
 }
 
 static void etr_timing_alert(struct etr_irq_parm *);

111 lines not on this page · raw message

Index: quilt-2.6/arch/s390/include/asm/delay.h
===================================================================
@@ -15,6 +15,7 @@
 #define _S390_DELAY_H
 
 extern void __udelay(unsigned long usecs);
+extern void udelay_simple(unsigned long usecs);
 extern void __delay(unsigned long loops);
 
 #define udelay(n) __udelay(n)

Index: quilt-2.6/arch/s390/lib/delay.c
===================================================================
@@ -92,3 +92,16 @@ out:
 	local_irq_restore(flags);
 	preempt_enable();
 }
+
+/*
+ * Simple udelay variant. To be used on startup and reboot
+ * when the interrupt handler isn't working.
+ */
+void udelay_simple(unsigned long usecs)
+{
+	u64 end;
+
+	end = get_clock() + ((u64) usecs << 12);
+	while (get_clock() < end)
+		cpu_relax();
+}

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -855,19 +855,6 @@ __disable_subchannel_easy(struct subchan
 	return -EBUSY; /* uhm... */
 }
 
-/* we can't use the normal udelay here, since it enables external interrupts */
-
-static void udelay_reset(unsigned long usecs)
-{
-	uint64_t start_cc, end_cc;
-
-	asm volatile ("STCK %0" : "=m" (start_cc));
-	do {
-		cpu_relax();
-		asm volatile ("STCK %0" : "=m" (end_cc));
-	} while (((end_cc - start_cc)/4096) < usecs);
-}
-
 static int
 __clear_io_subchannel_easy(struct subchannel_id schid)
 {

@@ -883,7 +870,7 @@ __clear_io_subchannel_easy(struct subcha
 			if (schid_equal(&ti.schid, &schid))
 				return 0;
 		}
-		udelay_reset(100);
+		udelay_simple(100);
 	}
 	return -EBUSY;
 }

@@ -891,7 +878,7 @@ __clear_io_subchannel_easy(struct subcha
 static void __clear_chsc_subchannel_easy(void)
 {
 	/* It seems we can only wait for a bit here :/ */
-	udelay_reset(100);
+	udelay_simple(100);
 }
 
 static int pgm_check_occured;

Index: quilt-2.6/drivers/s390/block/dasd_eckd.c
===================================================================
@@ -1501,12 +1501,27 @@ static void dasd_eckd_handle_unsolicited
 		return;
 	}
 
-	/* just report other unsolicited interrupts */
-	DEV_MESSAGE(KERN_DEBUG, device, "%s",
-		    "unsolicited interrupt received");
-	device->discipline->dump_sense(device, NULL, irb);
-	dasd_schedule_device_bh(device);
+	if ((irb->scsw.cmd.cc == 1) &&
+	    (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) &&
+	    (irb->scsw.cmd.actl & SCSW_ACTL_START_PEND) &&
+	    (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND)) {
+		/* fake irb do nothing, they are handled elsewhere */
+		dasd_schedule_device_bh(device);
+		return;
+	}
 
+	if (!(irb->esw.esw0.erw.cons)) {
+		/* just report other unsolicited interrupts */
+		DEV_MESSAGE(KERN_ERR, device, "%s",
+			    "unsolicited interrupt received");
+	} else {
+		DEV_MESSAGE(KERN_ERR, device, "%s",
+			    "unsolicited interrupt received "
+			    "(sense available)");
+		device->discipline->dump_sense(device, NULL, irb);
+	}
+
+	dasd_schedule_device_bh(device);
 	return;
 };
 

Index: quilt-2.6/drivers/s390/block/xpram.c
===================================================================
@@ -56,6 +56,7 @@ typedef struct {
 static xpram_device_t xpram_devices[XPRAM_MAX_DEVS];
 static unsigned int xpram_sizes[XPRAM_MAX_DEVS];
 static struct gendisk *xpram_disks[XPRAM_MAX_DEVS];
+static struct request_queue *xpram_queues[XPRAM_MAX_DEVS];
 static unsigned int xpram_pages;
 static int xpram_devs;
 

@@ -330,18 +331,22 @@ static int __init xpram_setup_sizes(unsi
 	return 0;
 }
 
-static struct request_queue *xpram_queue;
-
 static int __init xpram_setup_blkdev(void)
 {
 	unsigned long offset;
 	int i, rc = -ENOMEM;
 
 	for (i = 0; i < xpram_devs; i++) {
-		struct gendisk *disk = alloc_disk(1);
-		if (!disk)
+		xpram_disks[i] = alloc_disk(1);
+		if (!xpram_disks[i])
+			goto out;
+		xpram_queues[i] = blk_alloc_queue(GFP_KERNEL);
+		if (!xpram_queues[i]) {
+			put_disk(xpram_disks[i]);
 			goto out;
-		xpram_disks[i] = disk;
+		}
+		blk_queue_make_request(xpram_queues[i], xpram_make_request);
+		blk_queue_hardsect_size(xpram_queues[i], 4096);
 	}
 
 	/*

@@ -352,18 +357,6 @@ static int __init xpram_setup_blkdev(voi
 		goto out;
 
 	/*
-	 * Assign the other needed values: make request function, sizes and
-	 * hardsect size. All the minor devices feature the same value.
-	 */
-	xpram_queue = blk_alloc_queue(GFP_KERNEL);
-	if (!xpram_queue) {
-		rc = -ENOMEM;
-		goto out_unreg;
-	}
-	blk_queue_make_request(xpram_queue, xpram_make_request);
-	blk_queue_hardsect_size(xpram_queue, 4096);
-
-	/*
 	 * Setup device structures.
 	 */
 	offset = 0;

@@ -377,18 +370,18 @@ static int __init xpram_setup_blkdev(voi
 		disk->first_minor = i;
 		disk->fops = &xpram_devops;
 		disk->private_data = &xpram_devices[i];
-		disk->queue = xpram_queue;
+		disk->queue = xpram_queues[i];
 		sprintf(disk->disk_name, "slram%d", i);
 		set_capacity(disk, xpram_sizes[i] << 1);
 		add_disk(disk);
 	}
 
 	return 0;
-out_unreg:
-	unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
 out:
-	while (i--)
+	while (i--) {
+		blk_cleanup_queue(xpram_queues[i]);
 		put_disk(xpram_disks[i]);
+	}
 	return rc;
 }
 

@@ -400,10 +393,10 @@ static void __exit xpram_exit(void)
 	int i;
 	for (i = 0; i < xpram_devs; i++) {
 		del_gendisk(xpram_disks[i]);
+		blk_cleanup_queue(xpram_queues[i]);
 		put_disk(xpram_disks[i]);
 	}
 	unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
-	blk_cleanup_queue(xpram_queue);
 }
 
 static int __init xpram_init(void)

Index: quilt-2.6/arch/s390/include/asm/dasd.h
===================================================================
@@ -3,6 +3,8 @@
  * Author(s)......: Holger Smolinski <[email protected]>
  * Bugreports.to..: <[email protected]>
  * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * EMC Symmetrix ioctl Copyright EMC Corporation, 2008
+ * Author.........: Nigel Hislop <[email protected]>
  *
  * This file is the interface of the DASD device driver, which is exported to user space
  * any future changes wrt the API will result in a change of the APIVERSION reported

@@ -202,6 +204,16 @@ typedef struct attrib_data_t {
 #define DASD_SEQ_PRESTAGE  0x4
 #define DASD_REC_ACCESS    0x5
 
+/*
+ * Perform EMC Symmetrix I/O
+ */
+typedef struct dasd_symmio_parms {
+	unsigned char reserved[8];	/* compat with older releases */
+	unsigned long long psf_data;	/* char * cast to u64 */
+	unsigned long long rssd_result; /* char * cast to u64 */
+	int psf_data_len;
+	int rssd_result_len;
+} __attribute__ ((packed)) dasd_symmio_parms_t;
 
 /********************************************************************************
  * SECTION: Definition of IOCTLs

@@ -247,6 +259,7 @@ typedef struct attrib_data_t {
 /* Set Attributes (cache operations) */
 #define BIODASDSATTR   _IOW(DASD_IOCTL_LETTER,2,attrib_data_t) 
 
+#define BIODASDSYMMIO  _IOWR(DASD_IOCTL_LETTER, 240, dasd_symmio_parms_t)
 
 #endif				/* DASD_H */
 

116 lines not on this page · raw message