Adding upstream version 6.8.9.upstream/6.8.9

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

26 files changed, 457 insertions, 370 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 0eea5afe9e..30851faade 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1103,12 +1103,6 @@ static void dasd_statistics_removeroot(void)
 	return;
 }
 
-int dasd_stats_generic_show(struct seq_file *m, void *v)
-{
-	seq_puts(m, "Statistics are not activated in this kernel\n");
-	return 0;
-}
-
 static void dasd_profile_init(struct dasd_profile *profile,
 			      struct dentry *base_dentry)
 {
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 99361618c3..0b0324fe4a 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -79,8 +79,8 @@ struct raw3215_info {
 	struct ccw_device *cdev;      /* device for tty driver */
 	spinlock_t *lock;	      /* pointer to irq lock */
 	int flags;		      /* state flags */
-	char *buffer;		      /* pointer to output buffer */
-	char *inbuf;		      /* pointer to input buffer */
+	u8 *buffer;		      /* pointer to output buffer */
+	u8 *inbuf;		      /* pointer to input buffer */
 	int head;		      /* first free byte in output buffer */
 	int count;		      /* number of bytes in output buffer */
 	int written;		      /* number of bytes in write requests */
@@ -89,7 +89,6 @@ struct raw3215_info {
 	wait_queue_head_t empty_wait; /* wait queue for flushing */
 	struct timer_list timer;      /* timer for delayed output */
 	int line_pos;		      /* position on the line (for tabs) */
-	char ubuffer[80];	      /* copy_from_user buffer */
 };
 
 /* array of 3215 devices structures */
@@ -523,12 +522,14 @@ static unsigned int raw3215_make_room(struct raw3215_info *raw,
  *	string	without blocking.
  *	Return value is the number of bytes copied.
  */
-static unsigned int raw3215_addtext(const char *str, unsigned int length,
+static unsigned int raw3215_addtext(const u8 *str, size_t length,
 				    struct raw3215_info *raw, int opmode,
 				    unsigned int todrop)
 {
-	unsigned int c, ch, i, blanks, expanded_size = 0;
+	unsigned int i, blanks, expanded_size = 0;
 	unsigned int column = raw->line_pos;
+	size_t c;
+	u8 ch;
 
 	if (opmode == RAW3215_COUNT)
 		todrop = 0;
@@ -559,7 +560,7 @@ static unsigned int raw3215_addtext(const char *str, unsigned int length,
 		if (todrop && expanded_size < todrop)	/* Drop head data */
 			continue;
 		for (i = 0; i < blanks; i++) {
-			raw->buffer[raw->head] = (char)_ascebc[(int)ch];
+			raw->buffer[raw->head] = _ascebc[ch];
 			raw->head = (raw->head + 1) & (RAW3215_BUFFER_SIZE - 1);
 			raw->count++;
 		}
@@ -571,8 +572,8 @@ static unsigned int raw3215_addtext(const char *str, unsigned int length,
 /*
  * String write routine for 3215 devices
  */
-static void raw3215_write(struct raw3215_info *raw, const char *str,
-			  unsigned int length)
+static void raw3215_write(struct raw3215_info *raw, const u8 *str,
+			  size_t length)
 {
 	unsigned int count, avail;
 	unsigned long flags;
@@ -597,7 +598,7 @@ static void raw3215_write(struct raw3215_info *raw, const char *str,
 /*
  * Put character routine for 3215 devices
  */
-static void raw3215_putchar(struct raw3215_info *raw, unsigned char ch)
+static void raw3215_putchar(struct raw3215_info *raw, u8 ch)
 {
 	raw3215_write(raw, &ch, 1);
 }
@@ -824,12 +825,10 @@ static struct ccw_driver raw3215_ccw_driver = {
 	.int_class	= IRQIO_C15,
 };
 
-static void handle_write(struct raw3215_info *raw, const char *str, int count)
+static void handle_write(struct raw3215_info *raw, const u8 *str, size_t count)
 {
-	int i;
-
 	while (count > 0) {
-		i = min_t(int, count, RAW3215_BUFFER_SIZE - 1);
+		size_t i = min_t(size_t, count, RAW3215_BUFFER_SIZE - 1);
 		raw3215_write(raw, str, i);
 		count -= i;
 		str += i;
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 363315fa16..251d2a1c3e 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -54,7 +54,7 @@ struct tty3270_attribute {
 };
 
 struct tty3270_cell {
-	unsigned char character;
+	u8 character;
 	struct tty3270_attribute attributes;
 };
 
@@ -123,7 +123,7 @@ struct tty3270 {
 
 	/* Character array for put_char/flush_chars. */
 	unsigned int char_count;
-	char char_buf[TTY3270_CHAR_BUF_SIZE];
+	u8 char_buf[TTY3270_CHAR_BUF_SIZE];
 };
 
 /* tty3270->update_flags. See tty3270_update for details. */
@@ -1255,7 +1255,7 @@ static unsigned int 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 tty3270_put_character(struct tty3270 *tp, char ch)
+static void tty3270_put_character(struct tty3270 *tp, u8 ch)
 {
 	struct tty3270_line *line;
 	struct tty3270_cell *cell;
@@ -1561,7 +1561,7 @@ static void tty3270_goto_xy(struct tty3270 *tp, int cx, int cy)
  *  Pn is a numeric parameter, a string of zero or more decimal digits.
  *  Ps is a selective parameter.
  */
-static void tty3270_escape_sequence(struct tty3270 *tp, char ch)
+static void tty3270_escape_sequence(struct tty3270 *tp, u8 ch)
 {
 	enum { ES_NORMAL, ES_ESC, ES_SQUARE, ES_PAREN, ES_GETPARS };
 
@@ -1726,7 +1726,7 @@ static void tty3270_escape_sequence(struct tty3270 *tp, char ch)
  * String write routine for 3270 ttys
  */
 static void tty3270_do_write(struct tty3270 *tp, struct tty_struct *tty,
-			     const unsigned char *buf, int count)
+			     const u8 *buf, size_t count)
 {
 	int i_msg, i;
 
@@ -2052,7 +2052,7 @@ con3270_write(struct console *co, const char *str, unsigned int count)
 {
 	struct tty3270 *tp = co->data;
 	unsigned long flags;
-	char c;
+	u8 c;
 
 	spin_lock_irqsave(&tp->view.lock, flags);
 	while (count--) {
diff --git a/drivers/s390/char/uvdevice.c b/drivers/s390/char/uvdevice.c
index 144cd2e035..42c9f77f8d 100644
--- a/drivers/s390/char/uvdevice.c
+++ b/drivers/s390/char/uvdevice.c
@@ -109,6 +109,7 @@ static int uvio_copy_attest_result_to_user(struct uv_cb_attest *uvcb_attest,
 					   struct uvio_attest *uvio_attest)
 {
 	struct uvio_attest __user *user_uvio_attest = (void __user *)uv_ioctl->argument_addr;
+	u32 __user *user_buf_add_len = (u32 __user *)&user_uvio_attest->add_data_len;
 	void __user *user_buf_add = (void __user *)uvio_attest->add_data_addr;
 	void __user *user_buf_meas = (void __user *)uvio_attest->meas_addr;
 	void __user *user_buf_uid = &user_uvio_attest->config_uid;
@@ -117,6 +118,8 @@ static int uvio_copy_attest_result_to_user(struct uv_cb_attest *uvcb_attest,
 		return -EFAULT;
 	if (add_data && copy_to_user(user_buf_add, add_data, uvio_attest->add_data_len))
 		return -EFAULT;
+	if (put_user(uvio_attest->add_data_len, user_buf_add_len))
+		return -EFAULT;
 	if (copy_to_user(user_buf_uid, uvcb_attest->config_uid, sizeof(uvcb_attest->config_uid)))
 		return -EFAULT;
 	return 0;
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index f8b04ce615..64ed55c3ae 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -219,16 +219,16 @@ EXPORT_SYMBOL_GPL(chsc_sadc);
 
 static int s390_subchannel_remove_chpid(struct subchannel *sch, void *data)
 {
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	if (sch->driver && sch->driver->chp_event)
 		if (sch->driver->chp_event(sch, data, CHP_OFFLINE) != 0)
 			goto out_unreg;
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	return 0;
 
 out_unreg:
 	sch->lpm = 0;
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	css_schedule_eval(sch->schid);
 	return 0;
 }
@@ -258,10 +258,10 @@ void chsc_chp_offline(struct chp_id chpid)
 
 static int __s390_process_res_acc(struct subchannel *sch, void *data)
 {
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	if (sch->driver && sch->driver->chp_event)
 		sch->driver->chp_event(sch, data, CHP_ONLINE);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 
 	return 0;
 }
@@ -292,10 +292,10 @@ static void s390_process_res_acc(struct chp_link *link)
 
 static int process_fces_event(struct subchannel *sch, void *data)
 {
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	if (sch->driver && sch->driver->chp_event)
 		sch->driver->chp_event(sch, data, CHP_FCES_EVENT);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	return 0;
 }
 
@@ -769,11 +769,11 @@ static void __s390_subchannel_vary_chpid(struct subchannel *sch,
 
 	memset(&link, 0, sizeof(struct chp_link));
 	link.chpid = chpid;
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 	if (sch->driver && sch->driver->chp_event)
 		sch->driver->chp_event(sch, &link,
 				       on ? CHP_VARY_ON : CHP_VARY_OFF);
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 }
 
 static int s390_subchannel_vary_chpid_off(struct subchannel *sch, void *data)
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 180ab89928..902237d0ba 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -211,10 +211,10 @@ static int chsc_async(struct chsc_async_area *chsc_area,
 
 	chsc_area->header.key = PAGE_DEFAULT_KEY >> 4;
 	while ((sch = chsc_get_next_subchannel(sch))) {
-		spin_lock(sch->lock);
+		spin_lock(&sch->lock);
 		private = dev_get_drvdata(&sch->dev);
 		if (private->request) {
-			spin_unlock(sch->lock);
+			spin_unlock(&sch->lock);
 			ret = -EBUSY;
 			continue;
 		}
@@ -239,7 +239,7 @@ static int chsc_async(struct chsc_async_area *chsc_area,
 		default:
 			ret = -ENODEV;
 		}
-		spin_unlock(sch->lock);
+		spin_unlock(&sch->lock);
 		CHSC_MSG(2, "chsc on 0.%x.%04x returned cc=%d\n",
 			 sch->schid.ssid, sch->schid.sch_no, cc);
 		if (ret == -EINPROGRESS)
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 6127add746..a5736b7357 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -546,7 +546,7 @@ static irqreturn_t do_cio_interrupt(int irq, void *dummy)
 		return IRQ_HANDLED;
 	}
 	sch = phys_to_virt(tpi_info->intparm);
-	spin_lock(sch->lock);
+	spin_lock(&sch->lock);
 	/* Store interrupt response block to lowcore. */
 	if (tsch(tpi_info->schid, irb) == 0) {
 		/* Keep subchannel information word up to date. */
@@ -558,7 +558,7 @@ static irqreturn_t do_cio_interrupt(int irq, void *dummy)
 			inc_irq_stat(IRQIO_CIO);
 	} else
 		inc_irq_stat(IRQIO_CIO);
-	spin_unlock(sch->lock);
+	spin_unlock(&sch->lock);
 
 	return IRQ_HANDLED;
 }
@@ -663,7 +663,7 @@ struct subchannel *cio_probe_console(void)
 	if (IS_ERR(sch))
 		return sch;
 
-	lockdep_set_class(sch->lock, &console_sch_key);
+	lockdep_set_class(&sch->lock, &console_sch_key);
 	isc_register(CONSOLE_ISC);
 	sch->config.isc = CONSOLE_ISC;
 	sch->config.intparm = (u32)virt_to_phys(sch);
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index fa8df50bb4..a9057a5b67 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -83,7 +83,7 @@ enum sch_todo {
 /* subchannel data structure used by I/O subroutines */
 struct subchannel {
 	struct subchannel_id schid;
-	spinlock_t *lock;	/* subchannel lock */
+	spinlock_t lock;	/* subchannel lock */
 	struct mutex reg_mutex;
 	enum {
 		SUBCHANNEL_TYPE_IO = 0,
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 3ff46fc694..28a88ed2c3 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -148,16 +148,10 @@ out:
 
 static void css_sch_todo(struct work_struct *work);
 
-static int css_sch_create_locks(struct subchannel *sch)
+static void css_sch_create_locks(struct subchannel *sch)
 {
-	sch->lock = kmalloc(sizeof(*sch->lock), GFP_KERNEL);
-	if (!sch->lock)
-		return -ENOMEM;
-
-	spin_lock_init(sch->lock);
+	spin_lock_init(&sch->lock);
 	mutex_init(&sch->reg_mutex);
-
-	return 0;
 }
 
 static void css_subchannel_release(struct device *dev)
@@ -167,7 +161,6 @@ static void css_subchannel_release(struct device *dev)
 	sch->config.intparm = 0;
 	cio_commit_config(sch);
 	kfree(sch->driver_override);
-	kfree(sch->lock);
 	kfree(sch);
 }
 
@@ -219,9 +212,7 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid,
 	sch->schib = *schib;
 	sch->st = schib->pmcw.st;
 
-	ret = css_sch_create_locks(sch);
-	if (ret)
-		goto err;
+	css_sch_create_locks(sch);
 
 	INIT_WORK(&sch->todo_work, css_sch_todo);
 	sch->dev.release = &css_subchannel_release;
@@ -233,19 +224,17 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid,
 	 */
 	ret = dma_set_coherent_mask(&sch->dev, DMA_BIT_MASK(31));
 	if (ret)
-		goto err_lock;
+		goto err;
 	/*
 	 * But we don't have such restrictions imposed on the stuff that
 	 * is handled by the streaming API.
 	 */
 	ret = dma_set_mask(&sch->dev, DMA_BIT_MASK(64));
 	if (ret)
-		goto err_lock;
+		goto err;
 
 	return sch;
 
-err_lock:
-	kfree(sch->lock);
 err:
 	kfree(sch);
 	return ERR_PTR(ret);
@@ -604,12 +593,12 @@ static void css_sch_todo(struct work_struct *work)
 
 	sch = container_of(work, struct subchannel, todo_work);
 	/* Find out todo. */
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	todo = sch->todo;
 	CIO_MSG_EVENT(4, "sch_todo: sch=0.%x.%04x, todo=%d\n", sch->schid.ssid,
 		      sch->schid.sch_no, todo);
 	sch->todo = SCH_TODO_NOTHING;
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	/* Perform todo. */
 	switch (todo) {
 	case SCH_TODO_NOTHING:
@@ -617,9 +606,9 @@ static void css_sch_todo(struct work_struct *work)
 	case SCH_TODO_EVAL:
 		ret = css_evaluate_known_subchannel(sch, 1);
 		if (ret == -EAGAIN) {
-			spin_lock_irq(sch->lock);
+			spin_lock_irq(&sch->lock);
 			css_sched_sch_todo(sch, todo);
-			spin_unlock_irq(sch->lock);
+			spin_unlock_irq(&sch->lock);
 		}
 		break;
 	case SCH_TODO_UNREG:
@@ -1028,12 +1017,7 @@ static int __init setup_css(int nr)
 	css->pseudo_subchannel->dev.parent = &css->device;
 	css->pseudo_subchannel->dev.release = css_subchannel_release;
 	mutex_init(&css->pseudo_subchannel->reg_mutex);
-	ret = css_sch_create_locks(css->pseudo_subchannel);
-	if (ret) {
-		kfree(css->pseudo_subchannel);
-		device_unregister(&css->device);
-		goto out_err;
-	}
+	css_sch_create_locks(css->pseudo_subchannel);
 
 	dev_set_name(&css->pseudo_subchannel->dev, "defunct");
 	ret = device_register(&css->pseudo_subchannel->dev);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 4ca5adce91..34b2567b8d 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -363,10 +363,8 @@ int ccw_device_set_online(struct ccw_device *cdev)
 
 	spin_lock_irq(cdev->ccwlock);
 	ret = ccw_device_online(cdev);
-	spin_unlock_irq(cdev->ccwlock);
-	if (ret == 0)
-		wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
-	else {
+	if (ret) {
+		spin_unlock_irq(cdev->ccwlock);
 		CIO_MSG_EVENT(0, "ccw_device_online returned %d, "
 			      "device 0.%x.%04x\n",
 			      ret, cdev->private->dev_id.ssid,
@@ -375,7 +373,12 @@ int ccw_device_set_online(struct ccw_device *cdev)
 		put_device(&cdev->dev);
 		return ret;
 	}
-	spin_lock_irq(cdev->ccwlock);
+	/* Wait until a final state is reached */
+	while (!dev_fsm_final_state(cdev)) {
+		spin_unlock_irq(cdev->ccwlock);
+		wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
+		spin_lock_irq(cdev->ccwlock);
+	}
 	/* Check if online processing was successful */
 	if ((cdev->private->state != DEV_STATE_ONLINE) &&
 	    (cdev->private->state != DEV_STATE_W4SENSE)) {
@@ -748,7 +751,7 @@ static int io_subchannel_initialize_dev(struct subchannel *sch,
 	mutex_init(&cdev->reg_mutex);
 
 	atomic_set(&priv->onoff, 0);
-	cdev->ccwlock = sch->lock;
+	cdev->ccwlock = &sch->lock;
 	cdev->dev.parent = &sch->dev;
 	cdev->dev.release = ccw_device_release;
 	cdev->dev.bus = &ccw_bus_type;
@@ -764,9 +767,9 @@ static int io_subchannel_initialize_dev(struct subchannel *sch,
 		goto out_put;
 	}
 	priv->flags.initialized = 1;
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	sch_set_cdev(sch, cdev);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	return 0;
 
 out_put:
@@ -851,9 +854,9 @@ static void io_subchannel_register(struct ccw_device *cdev)
 		CIO_MSG_EVENT(0, "Could not register ccw dev 0.%x.%04x: %d\n",
 			      cdev->private->dev_id.ssid,
 			      cdev->private->dev_id.devno, ret);
-		spin_lock_irqsave(sch->lock, flags);
+		spin_lock_irqsave(&sch->lock, flags);
 		sch_set_cdev(sch, NULL);
-		spin_unlock_irqrestore(sch->lock, flags);
+		spin_unlock_irqrestore(&sch->lock, flags);
 		mutex_unlock(&cdev->reg_mutex);
 		/* Release initial device reference. */
 		put_device(&cdev->dev);
@@ -904,9 +907,9 @@ static void io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch)
 	atomic_inc(&ccw_device_init_count);
 
 	/* Start async. device sensing. */
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	ccw_device_recognition(cdev);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 }
 
 static int ccw_device_move_to_sch(struct ccw_device *cdev,
@@ -921,12 +924,12 @@ static int ccw_device_move_to_sch(struct ccw_device *cdev,
 		return -ENODEV;
 
 	if (!sch_is_pseudo_sch(old_sch)) {
-		spin_lock_irq(old_sch->lock);
+		spin_lock_irq(&old_sch->lock);
 		old_enabled = old_sch->schib.pmcw.ena;
 		rc = 0;
 		if (old_enabled)
 			rc = cio_disable_subchannel(old_sch);
-		spin_unlock_irq(old_sch->lock);
+		spin_unlock_irq(&old_sch->lock);
 		if (rc == -EBUSY) {
 			/* Release child reference for new parent. */
 			put_device(&sch->dev);
@@ -944,9 +947,9 @@ static int ccw_device_move_to_sch(struct ccw_device *cdev,
 			      sch->schib.pmcw.dev, rc);
 		if (old_enabled) {
 			/* Try to re-enable the old subchannel. */
-			spin_lock_irq(old_sch->lock);
+			spin_lock_irq(&old_sch->lock);
 			cio_enable_subchannel(old_sch, (u32)virt_to_phys(old_sch));
-			spin_unlock_irq(old_sch->lock);
+			spin_unlock_irq(&old_sch->lock);
 		}
 		/* Release child reference for new parent. */
 		put_device(&sch->dev);
@@ -954,19 +957,19 @@ static int ccw_device_move_to_sch(struct ccw_device *cdev,
 	}
 	/* Clean up old subchannel. */
 	if (!sch_is_pseudo_sch(old_sch)) {
-		spin_lock_irq(old_sch->lock);
+		spin_lock_irq(&old_sch->lock);
 		sch_set_cdev(old_sch, NULL);
-		spin_unlock_irq(old_sch->lock);
+		spin_unlock_irq(&old_sch->lock);
 		css_schedule_eval(old_sch->schid);
 	}
 	/* Release child reference for old parent. */
 	put_device(&old_sch->dev);
 	/* Initialize new subchannel. */
-	spin_lock_irq(sch->lock);
-	cdev->ccwlock = sch->lock;
+	spin_lock_irq(&sch->lock);
+	cdev->ccwlock = &sch->lock;
 	if (!sch_is_pseudo_sch(sch))
 		sch_set_cdev(sch, cdev);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	if (!sch_is_pseudo_sch(sch))
 		css_update_ssd_info(sch);
 	return 0;
@@ -1077,9 +1080,9 @@ static int io_subchannel_probe(struct subchannel *sch)
 	return 0;
 
 out_schedule:
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	css_sched_sch_todo(sch, SCH_TODO_UNREG);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	return 0;
 }
 
@@ -1093,10 +1096,10 @@ static void io_subchannel_remove(struct subchannel *sch)
 		goto out_free;
 
 	ccw_device_unregister(cdev);
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	sch_set_cdev(sch, NULL);
 	set_io_private(sch, NULL);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 out_free:
 	dma_free_coherent(&sch->dev, sizeof(*io_priv->dma_area),
 			  io_priv->dma_area, io_priv->dma_area_dma);
@@ -1203,7 +1206,7 @@ static void io_subchannel_quiesce(struct subchannel *sch)
 	struct ccw_device *cdev;
 	int ret;
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	cdev = sch_get_cdev(sch);
 	if (cio_is_console(sch->schid))
 		goto out_unlock;
@@ -1220,15 +1223,15 @@ static void io_subchannel_quiesce(struct subchannel *sch)
 		ret = ccw_device_cancel_halt_clear(cdev);
 		if (ret == -EBUSY) {
 			ccw_device_set_timeout(cdev, HZ/10);
-			spin_unlock_irq(sch->lock);
+			spin_unlock_irq(&sch->lock);
 			wait_event(cdev->private->wait_q,
 				   cdev->private->state != DEV_STATE_QUIESCE);
-			spin_lock_irq(sch->lock);
+			spin_lock_irq(&sch->lock);
 		}
 		ret = cio_disable_subchannel(sch);
 	}
 out_unlock:
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 }
 
 static void io_subchannel_shutdown(struct subchannel *sch)
@@ -1439,7 +1442,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 	enum io_sch_action action;
 	int rc = -EAGAIN;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 	if (!device_is_registered(&sch->dev))
 		goto out_unlock;
 	if (work_pending(&sch->todo_work))
@@ -1492,7 +1495,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 	default:
 		break;
 	}
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 	/* All other actions require process context. */
 	if (!process)
 		goto out;
@@ -1507,9 +1510,9 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 		break;
 	case IO_SCH_UNREG_CDEV:
 	case IO_SCH_UNREG_ATTACH:
-		spin_lock_irqsave(sch->lock, flags);
+		spin_lock_irqsave(&sch->lock, flags);
 		sch_set_cdev(sch, NULL);
-		spin_unlock_irqrestore(sch->lock, flags);
+		spin_unlock_irqrestore(&sch->lock, flags);
 		/* Unregister ccw device. */
 		ccw_device_unregister(cdev);
 		break;
@@ -1538,9 +1541,9 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 			put_device(&cdev->dev);
 			goto out;
 		}
-		spin_lock_irqsave(sch->lock, flags);
+		spin_lock_irqsave(&sch->lock, flags);
 		ccw_device_trigger_reprobe(cdev);
-		spin_unlock_irqrestore(sch->lock, flags);
+		spin_unlock_irqrestore(&sch->lock, flags);
 		/* Release reference from get_ccwdev_by_dev_id() */
 		put_device(&cdev->dev);
 		break;
@@ -1550,7 +1553,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 	return 0;
 
 out_unlock:
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 out:
 	return rc;
 }
@@ -1846,9 +1849,9 @@ static void ccw_device_todo(struct work_struct *work)
 			css_schedule_eval(sch->schid);
 		fallthrough;
 	case CDEV_TODO_UNREG:
-		spin_lock_irq(sch->lock);
+		spin_lock_irq(&sch->lock);
 		sch_set_cdev(sch, NULL);
-		spin_unlock_irq(sch->lock);
+		spin_unlock_irq(&sch->lock);
 		ccw_device_unregister(cdev);
 		break;
 	default:
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index 3862961697..ad90045873 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -698,29 +698,29 @@ int ccw_device_stlck(struct ccw_device *cdev)
 		return -ENOMEM;
 	init_completion(&data.done);
 	data.rc = -EIO;
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	rc = cio_enable_subchannel(sch, (u32)virt_to_phys(sch));
 	if (rc)
 		goto out_unlock;
 	/* Perform operation. */
 	cdev->private->state = DEV_STATE_STEAL_LOCK;
 	ccw_device_stlck_start(cdev, &data, &buffer[0], &buffer[32]);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	/* Wait for operation to finish. */
 	if (wait_for_completion_interruptible(&data.done)) {
 		/* Got a signal. */
-		spin_lock_irq(sch->lock);
+		spin_lock_irq(&sch->lock);
 		ccw_request_cancel(cdev);
-		spin_unlock_irq(sch->lock);
+		spin_unlock_irq(&sch->lock);
 		wait_for_completion(&data.done);
 	}
 	rc = data.rc;
 	/* Check results. */
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	cio_disable_subchannel(sch);
 	cdev->private->state = DEV_STATE_BOXED;
 out_unlock:
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	kfree(buffer);
 
 	return rc;
diff --git a/drivers/s390/cio/eadm_sch.c b/drivers/s390/cio/eadm_sch.c
index 826364d2fa..1caedf931a 100644
--- a/drivers/s390/cio/eadm_sch.c
+++ b/drivers/s390/cio/eadm_sch.c
@@ -101,12 +101,12 @@ static void eadm_subchannel_timeout(struct timer_list *t)
 	struct eadm_private *private = from_timer(private, t, timer);
 	struct subchannel *sch = private->sch;
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	EADM_LOG(1, "timeout");
 	EADM_LOG_HEX(1, &sch->schid, sizeof(sch->schid));
 	if (eadm_subchannel_clear(sch))
 		EADM_LOG(0, "clear failed");
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 }
 
 static void eadm_subchannel_set_timeout(struct subchannel *sch, int expires)
@@ -163,16 +163,16 @@ static struct subchannel *eadm_get_idle_sch(void)
 	spin_lock_irqsave(&list_lock, flags);
 	list_for_each_entry(private, &eadm_list, head) {
 		sch = private->sch;
-		spin_lock(sch->lock);
+		spin_lock(&sch->lock);
 		if (private->state == EADM_IDLE) {
 			private->state = EADM_BUSY;
 			list_move_tail(&private->head, &eadm_list);
-			spin_unlock(sch->lock);
+			spin_unlock(&sch->lock);
 			spin_unlock_irqrestore(&list_lock, flags);
 
 			return sch;
 		}
-		spin_unlock(sch->lock);
+		spin_unlock(&sch->lock);
 	}
 	spin_unlock_irqrestore(&list_lock, flags);
 
@@ -190,7 +190,7 @@ int eadm_start_aob(struct aob *aob)
 	if (!sch)
 		return -EBUSY;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 	eadm_subchannel_set_timeout(sch, EADM_TIMEOUT);
 	ret = eadm_subchannel_start(sch, aob);
 	if (!ret)
@@ -203,7 +203,7 @@ int eadm_start_aob(struct aob *aob)
 	css_sched_sch_todo(sch, SCH_TODO_EVAL);
 
 out_unlock:
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 
 	return ret;
 }
@@ -221,7 +221,7 @@ static int eadm_subchannel_probe(struct subchannel *sch)
 	INIT_LIST_HEAD(&private->head);
 	timer_setup(&private->timer, eadm_subchannel_timeout, 0);
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	set_eadm_private(sch, private);
 	private->state = EADM_IDLE;
 	private->sch = sch;
@@ -229,11 +229,11 @@ static int eadm_subchannel_probe(struct subchannel *sch)
 	ret = cio_enable_subchannel(sch, (u32)virt_to_phys(sch));
 	if (ret) {
 		set_eadm_private(sch, NULL);
-		spin_unlock_irq(sch->lock);
+		spin_unlock_irq(&sch->lock);
 		kfree(private);
 		goto out;
 	}
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 
 	spin_lock_irq(&list_lock);
 	list_add(&private->head, &eadm_list);
@@ -248,7 +248,7 @@ static void eadm_quiesce(struct subchannel *sch)
 	DECLARE_COMPLETION_ONSTACK(completion);
 	int ret;
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	if (private->state != EADM_BUSY)
 		goto disable;
 
@@ -256,11 +256,11 @@ static void eadm_quiesce(struct subchannel *sch)
 		goto disable;
 
 	private->completion = &completion;
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 
 	wait_for_completion_io(&completion);
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	private->completion = NULL;
 
 disable:
@@ -269,7 +269,7 @@ disable:
 		ret = cio_disable_subchannel(sch);
 	} while (ret == -EBUSY);
 
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 }
 
 static void eadm_subchannel_remove(struct subchannel *sch)
@@ -282,9 +282,9 @@ static void eadm_subchannel_remove(struct subchannel *sch)
 
 	eadm_quiesce(sch);
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	set_eadm_private(sch, NULL);
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 
 	kfree(private);
 }
@@ -309,7 +309,7 @@ static int eadm_subchannel_sch_event(struct subchannel *sch, int process)
 	struct eadm_private *private;
 	unsigned long flags;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 	if (!device_is_registered(&sch->dev))
 		goto out_unlock;
 
@@ -325,7 +325,7 @@ static int eadm_subchannel_sch_event(struct subchannel *sch, int process)
 		private->state = EADM_IDLE;
 
 out_unlock:
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 
 	return 0;
 }
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 9cde55730b..ebcb535809 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -722,8 +722,8 @@ static void qdio_handle_activate_check(struct qdio_irq *irq_ptr,
 	lgr_info_log();
 }
 
-static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
-				      int dstat)
+static int qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
+				     int dstat, int dcc)
 {
 	DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qest irq");
 
@@ -731,15 +731,18 @@ static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
 		goto error;
 	if (dstat & ~(DEV_STAT_DEV_END | DEV_STAT_CHN_END))
 		goto error;
+	if (dcc == 1)
+		return -EAGAIN;
 	if (!(dstat & DEV_STAT_DEV_END))
 		goto error;
 	qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ESTABLISHED);
-	return;
+	return 0;
 
 error:
 	DBF_ERROR("%4x EQ:error", irq_ptr->schid.sch_no);
 	DBF_ERROR("ds: %2x cs:%2x", dstat, cstat);
 	qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+	return -EIO;
 }
 
 /* qdio interrupt handler */
@@ -748,7 +751,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
 {
 	struct qdio_irq *irq_ptr = cdev->private->qdio_data;
 	struct subchannel_id schid;
-	int cstat, dstat;
+	int cstat, dstat, rc, dcc;
 
 	if (!intparm || !irq_ptr) {
 		ccw_device_get_schid(cdev, &schid);
@@ -768,10 +771,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
 	qdio_irq_check_sense(irq_ptr, irb);
 	cstat = irb->scsw.cmd.cstat;
 	dstat = irb->scsw.cmd.dstat;
+	dcc   = scsw_cmd_is_valid_cc(&irb->scsw) ? irb->scsw.cmd.cc : 0;
+	rc    = 0;
 
 	switch (irq_ptr->state) {
 	case QDIO_IRQ_STATE_INACTIVE:
-		qdio_establish_handle_irq(irq_ptr, cstat, dstat);
+		rc = qdio_establish_handle_irq(irq_ptr, cstat, dstat, dcc);
 		break;
 	case QDIO_IRQ_STATE_CLEANUP:
 		qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
@@ -785,12 +790,25 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
 		if (cstat || dstat)
 			qdio_handle_activate_check(irq_ptr, intparm, cstat,
 						   dstat);
+		else if (dcc == 1)
+			rc = -EAGAIN;
 		break;
 	case QDIO_IRQ_STATE_STOPPED:
 		break;
 	default:
 		WARN_ON_ONCE(1);
 	}
+
+	if (rc == -EAGAIN) {
+		DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qint retry");
+		rc = ccw_device_start(cdev, irq_ptr->ccw, intparm, 0, 0);
+		if (!rc)
+			return;
+		DBF_ERROR("%4x RETRY ERR", irq_ptr->schid.sch_no);
+		DBF_ERROR("rc:%4x", rc);
+		qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+	}
+
 	wake_up(&cdev->private->wait_q);
 }
 
diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
index bfb35cfce1..8ad49030a7 100644
--- a/drivers/s390/cio/vfio_ccw_drv.c
+++ b/drivers/s390/cio/vfio_ccw_drv.c
@@ -65,14 +65,14 @@ int vfio_ccw_sch_quiesce(struct subchannel *sch)
 		 * cancel/halt/clear completion.
 		 */
 		private->completion = &completion;
-		spin_unlock_irq(sch->lock);
+		spin_unlock_irq(&sch->lock);
 
 		if (ret == -EBUSY)
 			wait_for_completion_timeout(&completion, 3*HZ);
 
 		private->completion = NULL;
 		flush_workqueue(vfio_ccw_work_q);
-		spin_lock_irq(sch->lock);
+		spin_lock_irq(&sch->lock);
 		ret = cio_disable_subchannel(sch);
 	} while (ret == -EBUSY);
 
@@ -249,7 +249,7 @@ static int vfio_ccw_sch_event(struct subchannel *sch, int process)
 	unsigned long flags;
 	int rc = -EAGAIN;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 	if (!device_is_registered(&sch->dev))
 		goto out_unlock;
 
@@ -264,7 +264,7 @@ static int vfio_ccw_sch_event(struct subchannel *sch, int process)
 	}
 
 out_unlock:
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 
 	return rc;
 }
diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index 757b731412..09877b4618 100644
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -25,7 +25,7 @@ static int fsm_io_helper(struct vfio_ccw_private *private)
 	unsigned long flags;
 	int ret;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 
 	orb = cp_get_orb(&private->cp, sch);
 	if (!orb) {
@@ -72,7 +72,7 @@ static int fsm_io_helper(struct vfio_ccw_private *private)
 		ret = ccode;
 	}
 out:
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 	return ret;
 }
 
@@ -83,7 +83,7 @@ static int fsm_do_halt(struct vfio_ccw_private *private)
 	int ccode;
 	int ret;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 
 	VFIO_CCW_TRACE_EVENT(2, "haltIO");
 	VFIO_CCW_TRACE_EVENT(2, dev_name(&sch->dev));
@@ -111,7 +111,7 @@ static int fsm_do_halt(struct vfio_ccw_private *private)
 	default:
 		ret = ccode;
 	}
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 	return ret;
 }
 
@@ -122,7 +122,7 @@ static int fsm_do_clear(struct vfio_ccw_private *private)
 	int ccode;
 	int ret;
 
-	spin_lock_irqsave(sch->lock, flags);
+	spin_lock_irqsave(&sch->lock, flags);
 
 	VFIO_CCW_TRACE_EVENT(2, "clearIO");
 	VFIO_CCW_TRACE_EVENT(2, dev_name(&sch->dev));
@@ -147,7 +147,7 @@ static int fsm_do_clear(struct vfio_ccw_private *private)
 	default:
 		ret = ccode;
 	}
-	spin_unlock_irqrestore(sch->lock, flags);
+	spin_unlock_irqrestore(&sch->lock, flags);
 	return ret;
 }
 
@@ -376,18 +376,18 @@ static void fsm_open(struct vfio_ccw_private *private,
 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
 	int ret;
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 	sch->isc = VFIO_CCW_ISC;
 	ret = cio_enable_subchannel(sch, (u32)(unsigned long)sch);
 	if (ret)
 		goto err_unlock;
 
 	private->state = VFIO_CCW_STATE_IDLE;
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	return;
 
 err_unlock:
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_NOT_OPER);
 }
 
@@ -397,7 +397,7 @@ static void fsm_close(struct vfio_ccw_private *private,
 	struct subchannel *sch = to_subchannel(private->vdev.dev->parent);
 	int ret;
 
-	spin_lock_irq(sch->lock);
+	spin_lock_irq(&sch->lock);
 
 	if (!sch->schib.pmcw.ena)
 		goto err_unlock;
@@ -409,12 +409,12 @@ static void fsm_close(struct vfio_ccw_private *private,
 		goto err_unlock;
 
 	private->state = VFIO_CCW_STATE_STANDBY;
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	cp_free(&private->cp);
 	return;
 
 err_unlock:
-	spin_unlock_irq(sch->lock);
+	spin_unlock_irq(&sch->lock);
 	vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_NOT_OPER);
 }
 
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 5dd33155d5..f46dd6abac 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -357,13 +357,12 @@ EXPORT_SYMBOL(ap_test_config_ctrl_domain);
  *	   -1 invalid APQN, TAPQ error or AP queue status which
  *	      indicates there is no APQN.
  */
-static int ap_queue_info(ap_qid_t qid, int *q_type, unsigned int *q_fac,
-			 int *q_depth, int *q_ml, bool *q_decfg, bool *q_cstop)
+static int ap_queue_info(ap_qid_t qid, struct ap_tapq_hwinfo *hwinfo,
+			 bool *decfg, bool *cstop)
 {
 	struct ap_queue_status status;
-	struct ap_tapq_gr2 tapq_info;
 
-	tapq_info.value = 0;
+	hwinfo->value = 0;
 
 	/* make sure we don't run into a specifiation exception */
 	if (AP_QID_CARD(qid) > ap_max_adapter_id ||
@@ -371,7 +370,7 @@ static int ap_queue_info(ap_qid_t qid, int *q_type, unsigned int *q_fac,
 		return -1;
 
 	/* call TAPQ on this APQN */
-	status = ap_test_queue(qid, ap_apft_available(), &tapq_info);
+	status = ap_test_queue(qid, ap_apft_available(), hwinfo);
 
 	switch (status.response_code) {
 	case AP_RESPONSE_NORMAL:
@@ -389,15 +388,11 @@ static int ap_queue_info(ap_qid_t qid, int *q_type, unsigned int *q_fac,
 	}
 
 	/* There should be at least one of the mode bits set */
-	if (WARN_ON_ONCE(!tapq_info.value))
+	if (WARN_ON_ONCE(!hwinfo->value))
 		return 0;
 
-	*q_type = tapq_info.at;
-	*q_fac = tapq_info.fac;
-	*q_depth = tapq_info.qd;
-	*q_ml = tapq_info.ml;
-	*q_decfg = status.response_code == AP_RESPONSE_DECONFIGURED;
-	*q_cstop = status.response_code == AP_RESPONSE_CHECKSTOPPED;
+	*decfg = status.response_code == AP_RESPONSE_DECONFIGURED;
+	*cstop = status.response_code == AP_RESPONSE_CHECKSTOPPED;
 
 	return 1;
 }
@@ -642,11 +637,11 @@ static int ap_uevent(const struct device *dev, struct kobj_uevent_env *env)
 			return rc;
 
 		/* Add MODE=<accel|cca|ep11> */
-		if (ap_test_bit(&ac->functions, AP_FUNC_ACCEL))
+		if (ac->hwinfo.accel)
 			rc = add_uevent_var(env, "MODE=accel");
-		else if (ap_test_bit(&ac->functions, AP_FUNC_COPRO))
+		else if (ac->hwinfo.cca)
 			rc = add_uevent_var(env, "MODE=cca");
-		else if (ap_test_bit(&ac->functions, AP_FUNC_EP11))
+		else if (ac->hwinfo.ep11)
 			rc = add_uevent_var(env, "MODE=ep11");
 		if (rc)
 			return rc;
@@ -654,11 +649,11 @@ static int ap_uevent(const struct device *dev, struct kobj_uevent_env *env)
 		struct ap_queue *aq = to_ap_queue(&ap_dev->device);
 
 		/* Add MODE=<accel|cca|ep11> */
-		if (ap_test_bit(&aq->card->functions, AP_FUNC_ACCEL))
+		if (aq->card->hwinfo.accel)
 			rc = add_uevent_var(env, "MODE=accel");
-		else if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO))
+		else if (aq->card->hwinfo.cca)
 			rc = add_uevent_var(env, "MODE=cca");
-		else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11))
+		else if (aq->card->hwinfo.ep11)
 			rc = add_uevent_var(env, "MODE=ep11");
 		if (rc)
 			return rc;
@@ -1799,12 +1794,12 @@ static inline void ap_scan_rm_card_dev_and_queue_devs(struct ap_card *ac)
  */
 static inline void ap_scan_domains(struct ap_card *ac)
 {
-	int rc, dom, depth, type, ml;
+	struct ap_tapq_hwinfo hwinfo;
 	bool decfg, chkstop;
 	struct ap_queue *aq;
 	struct device *dev;
-	unsigned int func;
 	ap_qid_t qid;
+	int rc, dom;
 
 	/*
 	 * Go through the configuration for the domains and compare them
@@ -1827,8 +1822,7 @@ static inline void ap_scan_domains(struct ap_card *ac)
 			goto put_dev_and_continue;
 		}
 		/* domain is valid, get info from this APQN */
-		rc = ap_queue_info(qid, &type, &func, &depth,
-				   &ml, &decfg, &chkstop);
+		rc = ap_queue_info(qid, &hwinfo, &decfg, &chkstop);
 		switch (rc) {
 		case -1:
 			if (dev) {
@@ -1853,6 +1847,7 @@ static inline void ap_scan_domains(struct ap_card *ac)
 			aq->card = ac;
 			aq->config = !decfg;
 			aq->chkstop = chkstop;
+			aq->se_bstate = hwinfo.bs;
 			dev = &aq->ap_dev.device;
 			dev->bus = &ap_bus_type;
 			dev->parent = &ac->ap_dev.device;
@@ -1882,6 +1877,8 @@ static inline void ap_scan_domains(struct ap_card *ac)
 		}
 		/* handle state changes on already existing queue device */
 		spin_lock_bh(&aq->lock);
+		/* SE bind state */
+		aq->se_bstate = hwinfo.bs;
 		/* checkstop state */
 		if (chkstop && !aq->chkstop) {
 			/* checkstop on */
@@ -1955,11 +1952,11 @@ put_dev_and_continue:
  */
 static inline void ap_scan_adapter(int ap)
 {
-	int rc, dom, depth, type, comp_type, ml;
+	struct ap_tapq_hwinfo hwinfo;
+	int rc, dom, comp_type;
 	bool decfg, chkstop;
 	struct ap_card *ac;
 	struct device *dev;
-	unsigned int func;
 	ap_qid_t qid;
 
 	/* Is there currently a card device for this adapter ? */
@@ -1989,8 +1986,7 @@ static inline void ap_scan_adapter(int ap)
 	for (dom = 0; dom <= ap_max_domain_id; dom++)
 		if (ap_test_config_usage_domain(dom)) {
 			qid = AP_MKQID(ap, dom);
-			if (ap_queue_info(qid, &type, &func, &depth,
-					  &ml, &decfg, &chkstop) > 0)
+			if (ap_queue_info(qid, &hwinfo, &decfg, &chkstop) > 0)
 				break;
 		}
 	if (dom > ap_max_domain_id) {
@@ -2006,7 +2002,7 @@ static inline void ap_scan_adapter(int ap)
 		}
 		return;
 	}
-	if (!type) {
+	if (!hwinfo.at) {
 		/* No apdater type info available, an unusable adapter */
 		if (ac) {
 			AP_DBF_INFO("%s(%d) no valid type (0) info, rm card and queue devs\n",
@@ -2019,18 +2015,18 @@ static inline void ap_scan_adapter(int ap)
 		}
 		return;
 	}
+	hwinfo.value &= TAPQ_CARD_HWINFO_MASK; /* filter card specific hwinfo */
 	if (ac) {
 		/* Check APQN against existing card device for changes */
-		if (ac->raw_hwtype != type) {
+		if (ac->hwinfo.at != hwinfo.at) {
 			AP_DBF_INFO("%s(%d) hwtype %d changed, rm card and queue devs\n",
-				    __func__, ap, type);
+				    __func__, ap, hwinfo.at);
 			ap_scan_rm_card_dev_and_queue_devs(ac);
 			put_device(dev);
 			ac = NULL;
-		} else if ((ac->functions & TAPQ_CARD_FUNC_CMP_MASK) !=
-			   (func & TAPQ_CARD_FUNC_CMP_MASK)) {
+		} else if (ac->hwinfo.fac != hwinfo.fac) {
 			AP_DBF_INFO("%s(%d) functions 0x%08x changed, rm card and queue devs\n",
-				    __func__, ap, func);
+				    __func__, ap, hwinfo.fac);
 			ap_scan_rm_card_dev_and_queue_devs(ac);
 			put_device(dev);
 			ac = NULL;
@@ -2064,13 +2060,13 @@ static inline void ap_scan_adapter(int ap)
 
 	if (!ac) {
 		/* Build a new card device */
-		comp_type = ap_get_compatible_type(qid, type, func);
+		comp_type = ap_get_compatible_type(qid, hwinfo.at, hwinfo.fac);
 		if (!comp_type) {
 			AP_DBF_WARN("%s(%d) type %d, can't get compatibility type\n",
-				    __func__, ap, type);
+				    __func__, ap, hwinfo.at);
 			return;
 		}
-		ac = ap_card_create(ap, depth, type, comp_type, func, ml);
+		ac = ap_card_create(ap, hwinfo, comp_type);
 		if (!ac) {
 			AP_DBF_WARN("%s(%d) ap_card_create() failed\n",
 				    __func__, ap);
@@ -2101,13 +2097,13 @@ static inline void ap_scan_adapter(int ap)
 		get_device(dev);
 		if (decfg)
 			AP_DBF_INFO("%s(%d) new (decfg) card dev type=%d func=0x%08x created\n",
-				    __func__, ap, type, func);
+				    __func__, ap, hwinfo.at, hwinfo.fac);
 		else if (chkstop)
 			AP_DBF_INFO("%s(%d) new (chkstop) card dev type=%d func=0x%08x created\n",
-				    __func__, ap, type, func);
+				    __func__, ap, hwinfo.at, hwinfo.fac);
 		else
 			AP_DBF_INFO("%s(%d) new card dev type=%d func=0x%08x created\n",
-				    __func__, ap, type, func);
+				    __func__, ap, hwinfo.at, hwinfo.fac);
 	}
 
 	/* Verify the domains and the queue devices for this card */
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index b0771ca084..98814839ef 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -76,16 +76,6 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
 #define AP_DEVICE_TYPE_CEX8	14
 
 /*
- * Known function facilities
- */
-#define AP_FUNC_MEX4K 1
-#define AP_FUNC_CRT4K 2
-#define AP_FUNC_COPRO 3
-#define AP_FUNC_ACCEL 4
-#define AP_FUNC_EP11  5
-#define AP_FUNC_APXA  6
-
-/*
  * AP queue state machine states
  */
 enum ap_sm_state {
@@ -182,9 +172,7 @@ struct ap_device {
 
 struct ap_card {
 	struct ap_device ap_dev;
-	int raw_hwtype;			/* AP raw hardware type. */
-	unsigned int functions;		/* TAPQ GR2 upper 32 facility bits */
-	int queue_depth;		/* AP queue depth.*/
+	struct ap_tapq_hwinfo hwinfo;	/* TAPQ GR2 content */
 	int id;				/* AP card number. */
 	unsigned int maxmsgsize;	/* AP msg limit for this card */
 	bool config;			/* configured state */
@@ -192,7 +180,7 @@ struct ap_card {
 	atomic64_t total_request_count;	/* # requests ever for this AP device.*/
 };
 
-#define TAPQ_CARD_FUNC_CMP_MASK 0xFFFF0000
+#define TAPQ_CARD_HWINFO_MASK 0xFEFF0000FFFF0F0FUL
 #define ASSOC_IDX_INVALID 0x10000
 
 #define to_ap_card(x) container_of((x), struct ap_card, ap_dev.device)
@@ -206,7 +194,7 @@ struct ap_queue {
 	bool config;			/* configured state */
 	bool chkstop;			/* checkstop state */
 	ap_qid_t qid;			/* AP queue id. */
-	bool se_bound;			/* SE bound state */
+	unsigned int se_bstate;		/* SE bind state (BS) */
 	unsigned int assoc_idx;		/* SE association index */
 	int queue_count;		/* # messages currently on AP queue. */
 	int pendingq_count;		/* # requests on pendingq list. */
@@ -290,8 +278,8 @@ void ap_queue_remove(struct ap_queue *aq);
 void ap_queue_init_state(struct ap_queue *aq);
 void _ap_queue_init_state(struct ap_queue *aq);
 
-struct ap_card *ap_card_create(int id, int queue_depth, int raw_type,
-			       int comp_type, unsigned int functions, int ml);
+struct ap_card *ap_card_create(int id, struct ap_tapq_hwinfo info,
+			       int comp_type);
 
 #define APMASKSIZE (BITS_TO_LONGS(AP_DEVICES) * sizeof(unsigned long))
 #define AQMASKSIZE (BITS_TO_LONGS(AP_DOMAINS) * sizeof(unsigned long))
diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index b2bd477659..ce953cbbd5 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -34,7 +34,7 @@ static ssize_t raw_hwtype_show(struct device *dev,
 {
 	struct ap_card *ac = to_ap_card(dev);
 
-	return sysfs_emit(buf, "%d\n", ac->raw_hwtype);
+	return sysfs_emit(buf, "%d\n", ac->hwinfo.at);
 }
 
 static DEVICE_ATTR_RO(raw_hwtype);
@@ -44,7 +44,7 @@ static ssize_t depth_show(struct device *dev, struct device_attribute *attr,
 {
 	struct ap_card *ac = to_ap_card(dev);
 
-	return sysfs_emit(buf, "%d\n", ac->queue_depth);
+	return sysfs_emit(buf, "%d\n", ac->hwinfo.qd);
 }
 
 static DEVICE_ATTR_RO(depth);
@@ -54,7 +54,7 @@ static ssize_t ap_functions_show(struct device *dev,
 {
 	struct ap_card *ac = to_ap_card(dev);
 
-	return sysfs_emit(buf, "0x%08X\n", ac->functions);
+	return sysfs_emit(buf, "0x%08X\n", ac->hwinfo.fac);
 }
 
 static DEVICE_ATTR_RO(ap_functions);
@@ -229,8 +229,8 @@ static void ap_card_device_release(struct device *dev)
 	kfree(ac);
 }
 
-struct ap_card *ap_card_create(int id, int queue_depth, int raw_type,
-			       int comp_type, unsigned int functions, int ml)
+struct ap_card *ap_card_create(int id, struct ap_tapq_hwinfo hwinfo,
+			       int comp_type)
 {
 	struct ap_card *ac;
 
@@ -240,12 +240,10 @@ struct ap_card *ap_card_create(int id, int queue_depth, int raw_type,
 	ac->ap_dev.device.release = ap_card_device_release;
 	ac->ap_dev.device.type = &ap_card_type;
 	ac->ap_dev.device_type = comp_type;
-	ac->raw_hwtype = raw_type;
-	ac->queue_depth = queue_depth;
-	ac->functions = functions;
+	ac->hwinfo = hwinfo;
 	ac->id = id;
-	ac->maxmsgsize = ml > 0 ?
-		ml * AP_TAPQ_ML_FIELD_CHUNK_SIZE : AP_DEFAULT_MAX_MSG_SIZE;
+	ac->maxmsgsize = hwinfo.ml > 0 ?
+		hwinfo.ml * AP_TAPQ_ML_FIELD_CHUNK_SIZE : AP_DEFAULT_MAX_MSG_SIZE;
 
 	return ac;
 }
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 3934a0cc13..6825954431 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -24,13 +24,12 @@ static void __ap_flush_queue(struct ap_queue *aq);
 
 static inline bool ap_q_supports_bind(struct ap_queue *aq)
 {
-	return ap_test_bit(&aq->card->functions, AP_FUNC_EP11) ||
-		ap_test_bit(&aq->card->functions, AP_FUNC_ACCEL);
+	return aq->card->hwinfo.ep11 || aq->card->hwinfo.accel;
 }
 
 static inline bool ap_q_supports_assoc(struct ap_queue *aq)
 {
-	return ap_test_bit(&aq->card->functions, AP_FUNC_EP11);
+	return aq->card->hwinfo.ep11;
 }
 
 static inline bool ap_q_needs_bind(struct ap_queue *aq)
@@ -257,7 +256,7 @@ static enum ap_sm_wait ap_sm_write(struct ap_queue *aq)
 		list_move_tail(&ap_msg->list, &aq->pendingq);
 		aq->requestq_count--;
 		aq->pendingq_count++;
-		if (aq->queue_count < aq->card->queue_depth) {
+		if (aq->queue_count < aq->card->hwinfo.qd) {
 			aq->sm_state = AP_SM_STATE_WORKING;
 			return AP_SM_WAIT_AGAIN;
 		}
@@ -318,7 +317,6 @@ static enum ap_sm_wait ap_sm_reset(struct ap_queue *aq)
 	case AP_RESPONSE_RESET_IN_PROGRESS:
 		aq->sm_state = AP_SM_STATE_RESET_WAIT;
 		aq->rapq_fbit = 0;
-		aq->se_bound = false;
 		return AP_SM_WAIT_LOW_TIMEOUT;
 	default:
 		aq->dev_state = AP_DEV_STATE_ERROR;
@@ -339,17 +337,15 @@ static enum ap_sm_wait ap_sm_reset(struct ap_queue *aq)
 static enum ap_sm_wait ap_sm_reset_wait(struct ap_queue *aq)
 {
 	struct ap_queue_status status;
+	struct ap_tapq_hwinfo hwinfo;
 	void *lsi_ptr;
 
-	if (aq->queue_count > 0 && aq->reply)
-		/* Try to read a completed message and get the status */
-		status = ap_sm_recv(aq);
-	else
-		/* Get the status with TAPQ */
-		status = ap_tapq(aq->qid, NULL);
+	/* Get the status with TAPQ */
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
 
 	switch (status.response_code) {
 	case AP_RESPONSE_NORMAL:
+		aq->se_bstate = hwinfo.bs;
 		lsi_ptr = ap_airq_ptr();
 		if (lsi_ptr && ap_queue_enable_irq(aq, lsi_ptr) == 0)
 			aq->sm_state = AP_SM_STATE_SETIRQ_WAIT;
@@ -421,9 +417,9 @@ static enum ap_sm_wait ap_sm_setirq_wait(struct ap_queue *aq)
 static enum ap_sm_wait ap_sm_assoc_wait(struct ap_queue *aq)
 {
 	struct ap_queue_status status;
-	struct ap_tapq_gr2 info;
+	struct ap_tapq_hwinfo hwinfo;
 
-	status = ap_test_queue(aq->qid, 1, &info);
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
 	/* handle asynchronous error on this queue */
 	if (status.async && status.response_code) {
 		aq->dev_state = AP_DEV_STATE_ERROR;
@@ -442,8 +438,11 @@ static enum ap_sm_wait ap_sm_assoc_wait(struct ap_queue *aq)
 		return AP_SM_WAIT_NONE;
 	}
 
+	/* update queue's SE bind state */
+	aq->se_bstate = hwinfo.bs;
+
 	/* check bs bits */
-	switch (info.bs) {
+	switch (hwinfo.bs) {
 	case AP_BS_Q_USABLE:
 		/* association is through */
 		aq->sm_state = AP_SM_STATE_IDLE;
@@ -460,7 +459,7 @@ static enum ap_sm_wait ap_sm_assoc_wait(struct ap_queue *aq)
 		aq->dev_state = AP_DEV_STATE_ERROR;
 		aq->last_err_rc = status.response_code;
 		AP_DBF_WARN("%s bs 0x%02x on 0x%02x.%04x -> AP_DEV_STATE_ERROR\n",
-			    __func__, info.bs,
+			    __func__, hwinfo.bs,
 			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
 		return AP_SM_WAIT_NONE;
 	}
@@ -687,9 +686,9 @@ static ssize_t ap_functions_show(struct device *dev,
 {
 	struct ap_queue *aq = to_ap_queue(dev);
 	struct ap_queue_status status;
-	struct ap_tapq_gr2 info;
+	struct ap_tapq_hwinfo hwinfo;
 
-	status = ap_test_queue(aq->qid, 1, &info);
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
 	if (status.response_code > AP_RESPONSE_BUSY) {
 		AP_DBF_DBG("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
 			   __func__, status.response_code,
@@ -697,7 +696,7 @@ static ssize_t ap_functions_show(struct device *dev,
 		return -EIO;
 	}
 
-	return sysfs_emit(buf, "0x%08X\n", info.fac);
+	return sysfs_emit(buf, "0x%08X\n", hwinfo.fac);
 }
 
 static DEVICE_ATTR_RO(ap_functions);
@@ -840,19 +839,25 @@ static ssize_t se_bind_show(struct device *dev,
 {
 	struct ap_queue *aq = to_ap_queue(dev);
 	struct ap_queue_status status;
-	struct ap_tapq_gr2 info;
+	struct ap_tapq_hwinfo hwinfo;
 
 	if (!ap_q_supports_bind(aq))
 		return sysfs_emit(buf, "-\n");
 
-	status = ap_test_queue(aq->qid, 1, &info);
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
 	if (status.response_code > AP_RESPONSE_BUSY) {
 		AP_DBF_DBG("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
 			   __func__, status.response_code,
 			   AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
 		return -EIO;
 	}
-	switch (info.bs) {
+
+	/* update queue's SE bind state */
+	spin_lock_bh(&aq->lock);
+	aq->se_bstate = hwinfo.bs;
+	spin_unlock_bh(&aq->lock);
+
+	switch (hwinfo.bs) {
 	case AP_BS_Q_USABLE:
 	case AP_BS_Q_USABLE_NO_SECURE_KEY:
 		return sysfs_emit(buf, "bound\n");
@@ -867,6 +872,7 @@ static ssize_t se_bind_store(struct device *dev,
 {
 	struct ap_queue *aq = to_ap_queue(dev);
 	struct ap_queue_status status;
+	struct ap_tapq_hwinfo hwinfo;
 	bool value;
 	int rc;
 
@@ -878,39 +884,80 @@ static ssize_t se_bind_store(struct device *dev,
 	if (rc)
 		return rc;
 
-	if (value) {
-		/* bind, do BAPQ */
-		spin_lock_bh(&aq->lock);
-		if (aq->sm_state < AP_SM_STATE_IDLE) {
-			spin_unlock_bh(&aq->lock);
-			return -EBUSY;
-		}
-		status = ap_bapq(aq->qid);
-		spin_unlock_bh(&aq->lock);
-		if (!status.response_code) {
-			aq->se_bound = true;
-			AP_DBF_INFO("%s bapq(0x%02x.%04x) success\n", __func__,
-				    AP_QID_CARD(aq->qid),
-				    AP_QID_QUEUE(aq->qid));
-		} else {
-			AP_DBF_WARN("%s RC 0x%02x on bapq(0x%02x.%04x)\n",
-				    __func__, status.response_code,
-				    AP_QID_CARD(aq->qid),
-				    AP_QID_QUEUE(aq->qid));
-			return -EIO;
-		}
-	} else {
-		/* unbind, set F bit arg and trigger RAPQ */
+	if (!value) {
+		/* Unbind. Set F bit arg and trigger RAPQ */
 		spin_lock_bh(&aq->lock);
 		__ap_flush_queue(aq);
 		aq->rapq_fbit = 1;
-		aq->assoc_idx = ASSOC_IDX_INVALID;
-		aq->sm_state = AP_SM_STATE_RESET_START;
-		ap_wait(ap_sm_event(aq, AP_SM_EVENT_POLL));
-		spin_unlock_bh(&aq->lock);
+		_ap_queue_init_state(aq);
+		rc = count;
+		goto out;
 	}
 
-	return count;
+	/* Bind. Check current SE bind state */
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
+	if (status.response_code) {
+		AP_DBF_WARN("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
+			    __func__, status.response_code,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		return -EIO;
+	}
+
+	/* Update BS state */
+	spin_lock_bh(&aq->lock);
+	aq->se_bstate = hwinfo.bs;
+	if (hwinfo.bs != AP_BS_Q_AVAIL_FOR_BINDING) {
+		AP_DBF_WARN("%s bind attempt with bs %d on queue 0x%02x.%04x\n",
+			    __func__, hwinfo.bs,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		rc = -EINVAL;
+		goto out;
+	}
+
+	/* Check SM state */
+	if (aq->sm_state < AP_SM_STATE_IDLE) {
+		rc = -EBUSY;
+		goto out;
+	}
+
+	/* invoke BAPQ */
+	status = ap_bapq(aq->qid);
+	if (status.response_code) {
+		AP_DBF_WARN("%s RC 0x%02x on bapq(0x%02x.%04x)\n",
+			    __func__, status.response_code,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		rc = -EIO;
+		goto out;
+	}
+	aq->assoc_idx = ASSOC_IDX_INVALID;
+
+	/* verify SE bind state */
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
+	if (status.response_code) {
+		AP_DBF_WARN("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
+			    __func__, status.response_code,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		rc = -EIO;
+		goto out;
+	}
+	aq->se_bstate = hwinfo.bs;
+	if (!(hwinfo.bs == AP_BS_Q_USABLE ||
+	      hwinfo.bs == AP_BS_Q_USABLE_NO_SECURE_KEY)) {
+		AP_DBF_WARN("%s BAPQ success, but bs shows %d on queue 0x%02x.%04x\n",
+			    __func__, hwinfo.bs,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		rc = -EIO;
+		goto out;
+	}
+
+	/* SE bind was successful */
+	AP_DBF_INFO("%s bapq(0x%02x.%04x) success\n", __func__,
+		    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+	rc = count;
+
+out:
+	spin_unlock_bh(&aq->lock);
+	return rc;
 }
 
 static DEVICE_ATTR_RW(se_bind);
@@ -920,12 +967,12 @@ static ssize_t se_associate_show(struct device *dev,
 {
 	struct ap_queue *aq = to_ap_queue(dev);
 	struct ap_queue_status status;
-	struct ap_tapq_gr2 info;
+	struct ap_tapq_hwinfo hwinfo;
 
 	if (!ap_q_supports_assoc(aq))
 		return sysfs_emit(buf, "-\n");
 
-	status = ap_test_queue(aq->qid, 1, &info);
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
 	if (status.response_code > AP_RESPONSE_BUSY) {
 		AP_DBF_DBG("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
 			   __func__, status.response_code,
@@ -933,7 +980,12 @@ static ssize_t se_associate_show(struct device *dev,
 		return -EIO;
 	}
 
-	switch (info.bs) {
+	/* update queue's SE bind state */
+	spin_lock_bh(&aq->lock);
+	aq->se_bstate = hwinfo.bs;
+	spin_unlock_bh(&aq->lock);
+
+	switch (hwinfo.bs) {
 	case AP_BS_Q_USABLE:
 		if (aq->assoc_idx == ASSOC_IDX_INVALID) {
 			AP_DBF_WARN("%s AP_BS_Q_USABLE but invalid assoc_idx\n", __func__);
@@ -955,6 +1007,7 @@ static ssize_t se_associate_store(struct device *dev,
 {
 	struct ap_queue *aq = to_ap_queue(dev);
 	struct ap_queue_status status;
+	struct ap_tapq_hwinfo hwinfo;
 	unsigned int value;
 	int rc;
 
@@ -968,18 +1021,28 @@ static ssize_t se_associate_store(struct device *dev,
 	if (value >= ASSOC_IDX_INVALID)
 		return -EINVAL;
 
+	/* check current SE bind state */
+	status = ap_test_queue(aq->qid, 1, &hwinfo);
+	if (status.response_code) {
+		AP_DBF_WARN("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
+			    __func__, status.response_code,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		return -EIO;
+	}
 	spin_lock_bh(&aq->lock);
-
-	/* sm should be in idle state */
-	if (aq->sm_state != AP_SM_STATE_IDLE) {
-		spin_unlock_bh(&aq->lock);
-		return -EBUSY;
+	aq->se_bstate = hwinfo.bs;
+	if (hwinfo.bs != AP_BS_Q_USABLE_NO_SECURE_KEY) {
+		AP_DBF_WARN("%s association attempt with bs %d on queue 0x%02x.%04x\n",
+			    __func__, hwinfo.bs,
+			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+		rc = -EINVAL;
+		goto out;
 	}
 
-	/* already associated or association pending ? */
-	if (aq->assoc_idx != ASSOC_IDX_INVALID) {
-		spin_unlock_bh(&aq->lock);
-		return -EINVAL;
+	/* check SM state */
+	if (aq->sm_state != AP_SM_STATE_IDLE) {
+		rc = -EBUSY;
+		goto out;
 	}
 
 	/* trigger the asynchronous association request */
@@ -990,17 +1053,20 @@ static ssize_t se_associate_store(struct device *dev,
 		aq->sm_state = AP_SM_STATE_ASSOC_WAIT;
 		aq->assoc_idx = value;
 		ap_wait(ap_sm_event(aq, AP_SM_EVENT_POLL));
-		spin_unlock_bh(&aq->lock);
 		break;
 	default:
-		spin_unlock_bh(&aq->lock);
 		AP_DBF_WARN("%s RC 0x%02x on aapq(0x%02x.%04x)\n",
 			    __func__, status.response_code,
 			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
-		return -EIO;
+		rc = -EIO;
+		goto out;
 	}
 
-	return count;
+	rc = count;
+
+out:
+	spin_unlock_bh(&aq->lock);
+	return rc;
 }
 
 static DEVICE_ATTR_RW(se_associate);
@@ -1123,7 +1189,9 @@ bool ap_queue_usable(struct ap_queue *aq)
 	}
 
 	/* SE guest's queues additionally need to be bound */
-	if (ap_q_needs_bind(aq) && !aq->se_bound)
+	if (ap_q_needs_bind(aq) &&
+	    !(aq->se_bstate == AP_BS_Q_USABLE ||
+	      aq->se_bstate == AP_BS_Q_USABLE_NO_SECURE_KEY))
 		rc = false;
 
 unlock_and_out:
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index 76429585c1..983b3b1619 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -394,8 +394,8 @@ static int ensure_nib_shared(unsigned long addr, struct gmap *gmap)
  * Register the guest ISC to GIB interface and retrieve the
  * host ISC to issue the host side PQAP/AQIC
  *
- * Response.status may be set to AP_RESPONSE_INVALID_ADDRESS in case the
- * vfio_pin_pages failed.
+ * status.response_code may be set to AP_RESPONSE_INVALID_ADDRESS in case the
+ * vfio_pin_pages or kvm_s390_gisc_register failed.
  *
  * Otherwise return the ap_queue_status returned by the ap_aqic(),
  * all retry handling will be done by the guest.
@@ -459,7 +459,7 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q,
 				 __func__, nisc, isc, q->apqn);
 
 		vfio_unpin_pages(&q->matrix_mdev->vdev, nib, 1);
-		status.response_code = AP_RESPONSE_INVALID_GISA;
+		status.response_code = AP_RESPONSE_INVALID_ADDRESS;
 		return status;
 	}
 
@@ -477,8 +477,11 @@ static struct ap_queue_status vfio_ap_irq_enable(struct vfio_ap_queue *q,
 		break;
 	case AP_RESPONSE_OTHERWISE_CHANGED:
 		/* We could not modify IRQ settings: clear new configuration */
+		ret = kvm_s390_gisc_unregister(kvm, isc);
+		if (ret)
+			VFIO_AP_DBF_WARN("%s: kvm_s390_gisc_unregister: rc=%d isc=%d, apqn=%#04x\n",
+					 __func__, ret, isc, q->apqn);
 		vfio_unpin_pages(&q->matrix_mdev->vdev, nib, 1);
-		kvm_s390_gisc_unregister(kvm, isc);
 		break;
 	default:
 		pr_warn("%s: apqn %04x: response: %02x\n", __func__, q->apqn,
@@ -2407,7 +2410,7 @@ static void vfio_ap_filter_apid_by_qtype(unsigned long *apm, unsigned long *aqm)
 	bool apid_cleared;
 	struct ap_queue_status status;
 	unsigned long apid, apqi;
-	struct ap_tapq_gr2 info;
+	struct ap_tapq_hwinfo info;
 
 	for_each_set_bit_inv(apid, apm, AP_DEVICES) {
 		apid_cleared = false;
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 973aa93753..53ddae5ad8 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -675,7 +675,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms,
 	for_each_zcrypt_card(zc) {
 		/* Check for usable accelerator or CCA card */
 		if (!zc->online || !zc->card->config || zc->card->chkstop ||
-		    !(zc->card->functions & 0x18000000))
+		    !(zc->card->hwinfo.accel || zc->card->hwinfo.cca))
 			continue;
 		/* Check for size limits */
 		if (zc->min_mod_size > mex->inputdatalength ||
@@ -780,7 +780,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms,
 	for_each_zcrypt_card(zc) {
 		/* Check for usable accelerator or CCA card */
 		if (!zc->online || !zc->card->config || zc->card->chkstop ||
-		    !(zc->card->functions & 0x18000000))
+		    !(zc->card->hwinfo.accel || zc->card->hwinfo.cca))
 			continue;
 		/* Check for size limits */
 		if (zc->min_mod_size > crt->inputdatalength ||
@@ -895,7 +895,7 @@ static long _zcrypt_send_cprb(bool userspace, struct ap_perms *perms,
 	for_each_zcrypt_card(zc) {
 		/* Check for usable CCA card */
 		if (!zc->online || !zc->card->config || zc->card->chkstop ||
-		    !(zc->card->functions & 0x10000000))
+		    !zc->card->hwinfo.cca)
 			continue;
 		/* Check for user selected CCA card */
 		if (xcrb->user_defined != AUTOSELECT &&
@@ -1066,7 +1066,7 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms,
 	for_each_zcrypt_card(zc) {
 		/* Check for usable EP11 card */
 		if (!zc->online || !zc->card->config || zc->card->chkstop ||
-		    !(zc->card->functions & 0x04000000))
+		    !zc->card->hwinfo.ep11)
 			continue;
 		/* Check for user selected EP11 card */
 		if (targets &&
@@ -1179,7 +1179,7 @@ static long zcrypt_rng(char *buffer)
 	for_each_zcrypt_card(zc) {
 		/* Check for usable CCA card */
 		if (!zc->online || !zc->card->config || zc->card->chkstop ||
-		    !(zc->card->functions & 0x10000000))
+		    !zc->card->hwinfo.cca)
 			continue;
 		/* get weight index of the card device	*/
 		wgt = zc->speed_rating[func_code];
@@ -1240,7 +1240,7 @@ static void zcrypt_device_status_mask(struct zcrypt_device_status *devstatus)
 			queue = AP_QID_QUEUE(zq->queue->qid);
 			stat = &devstatus[card * AP_DOMAINS + queue];
 			stat->hwtype = zc->card->ap_dev.device_type;
-			stat->functions = zc->card->functions >> 26;
+			stat->functions = zc->card->hwinfo.fac >> 26;
 			stat->qid = zq->queue->qid;
 			stat->online = zq->online ? 0x01 : 0x00;
 		}
@@ -1265,7 +1265,7 @@ void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus)
 			queue = AP_QID_QUEUE(zq->queue->qid);
 			stat = &devstatus[card * AP_DOMAINS + queue];
 			stat->hwtype = zc->card->ap_dev.device_type;
-			stat->functions = zc->card->functions >> 26;
+			stat->functions = zc->card->hwinfo.fac >> 26;
 			stat->qid = zq->queue->qid;
 			stat->online = zq->online ? 0x01 : 0x00;
 		}
@@ -1288,7 +1288,7 @@ int zcrypt_device_status_ext(int card, int queue,
 			if (card == AP_QID_CARD(zq->queue->qid) &&
 			    queue == AP_QID_QUEUE(zq->queue->qid)) {
 				devstat->hwtype = zc->card->ap_dev.device_type;
-				devstat->functions = zc->card->functions >> 26;
+				devstat->functions = zc->card->hwinfo.fac >> 26;
 				devstat->qid = zq->queue->qid;
 				devstat->online = zq->online ? 0x01 : 0x00;
 				spin_unlock(&zcrypt_list_lock);
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index 5c4532ab00..64df7d2f62 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -477,7 +477,7 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev)
 		return -ENOMEM;
 	zc->card = ac;
 	dev_set_drvdata(&ap_dev->device, zc);
-	if (ap_test_bit(&ac->functions, AP_FUNC_ACCEL)) {
+	if (ac->hwinfo.accel) {
 		if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
 			zc->type_string = "CEX4A";
 			zc->user_space_type = ZCRYPT_CEX4;
@@ -506,8 +506,7 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev)
 			zc->user_space_type = ZCRYPT_CEX6;
 		}
 		zc->min_mod_size = CEX4A_MIN_MOD_SIZE;
-		if (ap_test_bit(&ac->functions, AP_FUNC_MEX4K) &&
-		    ap_test_bit(&ac->functions, AP_FUNC_CRT4K)) {
+		if (ac->hwinfo.mex4k && ac->hwinfo.crt4k) {
 			zc->max_mod_size = CEX4A_MAX_MOD_SIZE_4K;
 			zc->max_exp_bit_length =
 				CEX4A_MAX_MOD_SIZE_4K;
@@ -516,7 +515,7 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev)
 			zc->max_exp_bit_length =
 				CEX4A_MAX_MOD_SIZE_2K;
 		}
-	} else if (ap_test_bit(&ac->functions, AP_FUNC_COPRO)) {
+	} else if (ac->hwinfo.cca) {
 		if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
 			zc->type_string = "CEX4C";
 			zc->speed_rating = CEX4C_SPEED_IDX;
@@ -556,7 +555,7 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev)
 		zc->min_mod_size = CEX4C_MIN_MOD_SIZE;
 		zc->max_mod_size = CEX4C_MAX_MOD_SIZE;
 		zc->max_exp_bit_length = CEX4C_MAX_MOD_SIZE;
-	} else if (ap_test_bit(&ac->functions, AP_FUNC_EP11)) {
+	} else if (ac->hwinfo.ep11) {
 		if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX4) {
 			zc->type_string = "CEX4P";
 			zc->user_space_type = ZCRYPT_CEX4;
@@ -599,14 +598,14 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev)
 		return rc;
 	}
 
-	if (ap_test_bit(&ac->functions, AP_FUNC_COPRO)) {
+	if (ac->hwinfo.cca) {
 		rc = sysfs_create_group(&ap_dev->device.kobj,
 					&cca_card_attr_grp);
 		if (rc) {
 			zcrypt_card_unregister(zc);
 			zcrypt_card_free(zc);
 		}
-	} else if (ap_test_bit(&ac->functions, AP_FUNC_EP11)) {
+	} else if (ac->hwinfo.ep11) {
 		rc = sysfs_create_group(&ap_dev->device.kobj,
 					&ep11_card_attr_grp);
 		if (rc) {
@@ -627,9 +626,9 @@ static void zcrypt_cex4_card_remove(struct ap_device *ap_dev)
 	struct zcrypt_card *zc = dev_get_drvdata(&ap_dev->device);
 	struct ap_card *ac = to_ap_card(&ap_dev->device);
 
-	if (ap_test_bit(&ac->functions, AP_FUNC_COPRO))
+	if (ac->hwinfo.cca)
 		sysfs_remove_group(&ap_dev->device.kobj, &cca_card_attr_grp);
-	else if (ap_test_bit(&ac->functions, AP_FUNC_EP11))
+	else if (ac->hwinfo.ep11)
 		sysfs_remove_group(&ap_dev->device.kobj, &ep11_card_attr_grp);
 
 	zcrypt_card_unregister(zc);
@@ -654,19 +653,19 @@ static int zcrypt_cex4_queue_probe(struct ap_device *ap_dev)
 	struct zcrypt_queue *zq;
 	int rc;
 
-	if (ap_test_bit(&aq->card->functions, AP_FUNC_ACCEL)) {
+	if (aq->card->hwinfo.accel) {
 		zq = zcrypt_queue_alloc(aq->card->maxmsgsize);
 		if (!zq)
 			return -ENOMEM;
 		zq->ops = zcrypt_msgtype(MSGTYPE50_NAME,
 					 MSGTYPE50_VARIANT_DEFAULT);
-	} else if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO)) {
+	} else if (aq->card->hwinfo.cca) {
 		zq = zcrypt_queue_alloc(aq->card->maxmsgsize);
 		if (!zq)
 			return -ENOMEM;
 		zq->ops = zcrypt_msgtype(MSGTYPE06_NAME,
 					 MSGTYPE06_VARIANT_DEFAULT);
-	} else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11)) {
+	} else if (aq->card->hwinfo.ep11) {
 		zq = zcrypt_queue_alloc(aq->card->maxmsgsize);
 		if (!zq)
 			return -ENOMEM;
@@ -689,14 +688,14 @@ static int zcrypt_cex4_queue_probe(struct ap_device *ap_dev)
 		return rc;
 	}
 
-	if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO)) {
+	if (aq->card->hwinfo.cca) {
 		rc = sysfs_create_group(&ap_dev->device.kobj,
 					&cca_queue_attr_grp);
 		if (rc) {
 			zcrypt_queue_unregister(zq);
 			zcrypt_queue_free(zq);
 		}
-	} else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11)) {
+	} else if (aq->card->hwinfo.ep11) {
 		rc = sysfs_create_group(&ap_dev->device.kobj,
 					&ep11_queue_attr_grp);
 		if (rc) {
@@ -717,9 +716,9 @@ static void zcrypt_cex4_queue_remove(struct ap_device *ap_dev)
 	struct zcrypt_queue *zq = dev_get_drvdata(&ap_dev->device);
 	struct ap_queue *aq = to_ap_queue(&ap_dev->device);
 
-	if (ap_test_bit(&aq->card->functions, AP_FUNC_COPRO))
+	if (aq->card->hwinfo.cca)
 		sysfs_remove_group(&ap_dev->device.kobj, &cca_queue_attr_grp);
-	else if (ap_test_bit(&aq->card->functions, AP_FUNC_EP11))
+	else if (aq->card->hwinfo.ep11)
 		sysfs_remove_group(&ap_dev->device.kobj, &ep11_queue_attr_grp);
 
 	zcrypt_queue_unregister(zq);
diff --git a/drivers/s390/net/ism.h b/drivers/s390/net/ism.h
index 70c5bbda0f..047fa61015 100644
--- a/drivers/s390/net/ism.h
+++ b/drivers/s390/net/ism.h
@@ -16,7 +16,6 @@
  */
 #define ISM_DMB_WORD_OFFSET	1
 #define ISM_DMB_BIT_OFFSET	(ISM_DMB_WORD_OFFSET * 32)
-#define ISM_IDENT_MASK		0x00FFFF
 
 #define ISM_REG_SBA	0x1
 #define ISM_REG_IEQ	0x2
@@ -192,12 +191,6 @@ struct ism_sba {
 #define ISM_CREATE_REQ(dmb, idx, sf, offset)		\
 	((dmb) | (idx) << 24 | (sf) << 23 | (offset))
 
-struct ism_systemeid {
-	u8	seid_string[24];
-	u8	serial_number[4];
-	u8	type[4];
-};
-
 static inline void __ism_read_cmd(struct ism_dev *ism, void *data,
 				  unsigned long offset, unsigned long len)
 {
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 81aabbfbbe..43778b088f 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -36,6 +36,7 @@ static struct ism_client *clients[MAX_CLIENTS];	/* use an array rather than */
 						/* a list for fast mapping  */
 static u8 max_client;
 static DEFINE_MUTEX(clients_lock);
+static bool ism_v2_capable;
 struct ism_dev_list {
 	struct list_head list;
 	struct mutex mutex; /* protects ism device list */
@@ -291,13 +292,16 @@ out:
 static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
 {
 	clear_bit(dmb->sba_idx, ism->sba_bitmap);
-	dma_free_coherent(&ism->pdev->dev, dmb->dmb_len,
-			  dmb->cpu_addr, dmb->dma_addr);
+	dma_unmap_page(&ism->pdev->dev, dmb->dma_addr, dmb->dmb_len,
+		       DMA_FROM_DEVICE);
+	folio_put(virt_to_folio(dmb->cpu_addr));
 }
 
 static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
 {
+	struct folio *folio;
 	unsigned long bit;
+	int rc;
 
 	if (PAGE_ALIGN(dmb->dmb_len) > dma_get_max_seg_size(&ism->pdev->dev))
 		return -EINVAL;
@@ -314,14 +318,30 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
 	    test_and_set_bit(dmb->sba_idx, ism->sba_bitmap))
 		return -EINVAL;
 
-	dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
-					   &dmb->dma_addr,
-					   GFP_KERNEL | __GFP_NOWARN |
-					   __GFP_NOMEMALLOC | __GFP_NORETRY);
-	if (!dmb->cpu_addr)
-		clear_bit(dmb->sba_idx, ism->sba_bitmap);
+	folio = folio_alloc(GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC |
+			    __GFP_NORETRY, get_order(dmb->dmb_len));
 
-	return dmb->cpu_addr ? 0 : -ENOMEM;
+	if (!folio) {
+		rc = -ENOMEM;
+		goto out_bit;
+	}
+
+	dmb->cpu_addr = folio_address(folio);
+	dmb->dma_addr = dma_map_page(&ism->pdev->dev,
+				     virt_to_page(dmb->cpu_addr), 0,
+				     dmb->dmb_len, DMA_FROM_DEVICE);
+	if (dma_mapping_error(&ism->pdev->dev, dmb->dma_addr)) {
+		rc = -ENOMEM;
+		goto out_free;
+	}
+
+	return 0;
+
+out_free:
+	kfree(dmb->cpu_addr);
+out_bit:
+	clear_bit(dmb->sba_idx, ism->sba_bitmap);
+	return rc;
 }
 
 int ism_register_dmb(struct ism_dev *ism, struct ism_dmb *dmb,
@@ -443,32 +463,6 @@ int ism_move(struct ism_dev *ism, u64 dmb_tok, unsigned int idx, bool sf,
 }
 EXPORT_SYMBOL_GPL(ism_move);
 
-static struct ism_systemeid SYSTEM_EID = {
-	.seid_string = "IBM-SYSZ-ISMSEID00000000",
-	.serial_number = "0000",
-	.type = "0000",
-};
-
-static void ism_create_system_eid(void)
-{
-	struct cpuid id;
-	u16 ident_tail;
-	char tmp[5];
-
-	get_cpu_id(&id);
-	ident_tail = (u16)(id.ident & ISM_IDENT_MASK);
-	snprintf(tmp, 5, "%04X", ident_tail);
-	memcpy(&SYSTEM_EID.serial_number, tmp, 4);
-	snprintf(tmp, 5, "%04X", id.machine);
-	memcpy(&SYSTEM_EID.type, tmp, 4);
-}
-
-u8 *ism_get_seid(void)
-{
-	return SYSTEM_EID.seid_string;
-}
-EXPORT_SYMBOL_GPL(ism_get_seid);
-
 static void ism_handle_event(struct ism_dev *ism)
 {
 	struct ism_event *entry;
@@ -560,7 +554,9 @@ static int ism_dev_init(struct ism_dev *ism)
 
 	if (!ism_add_vlan_id(ism, ISM_RESERVED_VLANID))
 		/* hardware is V2 capable */
-		ism_create_system_eid();
+		ism_v2_capable = true;
+	else
+		ism_v2_capable = false;
 
 	mutex_lock(&ism_dev_list.mutex);
 	mutex_lock(&clients_lock);
@@ -665,8 +661,7 @@ static void ism_dev_exit(struct ism_dev *ism)
 	}
 	mutex_unlock(&clients_lock);
 
-	if (SYSTEM_EID.serial_number[0] != '0' ||
-	    SYSTEM_EID.type[0] != '0')
+	if (ism_v2_capable)
 		ism_del_vlan_id(ism, ISM_RESERVED_VLANID);
 	unregister_ieq(ism);
 	unregister_sba(ism);
@@ -743,10 +738,10 @@ static int ism_query_rgid(struct ism_dev *ism, u64 rgid, u32 vid_valid,
 	return ism_cmd(ism, &cmd);
 }
 
-static int smcd_query_rgid(struct smcd_dev *smcd, u64 rgid, u32 vid_valid,
-			   u32 vid)
+static int smcd_query_rgid(struct smcd_dev *smcd, struct smcd_gid *rgid,
+			   u32 vid_valid, u32 vid)
 {
-	return ism_query_rgid(smcd->priv, rgid, vid_valid, vid);
+	return ism_query_rgid(smcd->priv, rgid->gid, vid_valid, vid);
 }
 
 static int smcd_register_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb,
@@ -797,10 +792,11 @@ static int ism_signal_ieq(struct ism_dev *ism, u64 rgid, u32 trigger_irq,
 	return ism_cmd(ism, &cmd);
 }
 
-static int smcd_signal_ieq(struct smcd_dev *smcd, u64 rgid, u32 trigger_irq,
-			   u32 event_code, u64 info)
+static int smcd_signal_ieq(struct smcd_dev *smcd, struct smcd_gid *rgid,
+			   u32 trigger_irq, u32 event_code, u64 info)
 {
-	return ism_signal_ieq(smcd->priv, rgid, trigger_irq, event_code, info);
+	return ism_signal_ieq(smcd->priv, rgid->gid,
+			      trigger_irq, event_code, info);
 }
 
 static int smcd_move(struct smcd_dev *smcd, u64 dmb_tok, unsigned int idx,
@@ -812,8 +808,7 @@ static int smcd_move(struct smcd_dev *smcd, u64 dmb_tok, unsigned int idx,
 
 static int smcd_supports_v2(void)
 {
-	return SYSTEM_EID.serial_number[0] != '0' ||
-		SYSTEM_EID.type[0] != '0';
+	return ism_v2_capable;
 }
 
 static u64 ism_get_local_gid(struct ism_dev *ism)
@@ -821,9 +816,11 @@ static u64 ism_get_local_gid(struct ism_dev *ism)
 	return ism->local_gid;
 }
 
-static u64 smcd_get_local_gid(struct smcd_dev *smcd)
+static void smcd_get_local_gid(struct smcd_dev *smcd,
+			       struct smcd_gid *smcd_gid)
 {
-	return ism_get_local_gid(smcd->priv);
+	smcd_gid->gid = ism_get_local_gid(smcd->priv);
+	smcd_gid->gid_ext = 0;
 }
 
 static u16 ism_get_chid(struct ism_dev *ism)
@@ -857,7 +854,6 @@ static const struct smcd_ops ism_ops = {
 	.signal_event = smcd_signal_ieq,
 	.move_data = smcd_move,
 	.supports_v2 = smcd_supports_v2,
-	.get_system_eid = ism_get_seid,
 	.get_local_gid = smcd_get_local_gid,
 	.get_chid = smcd_get_chid,
 	.get_dev = smcd_get_dev,
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index cf8506d0f1..601d00e09d 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1179,6 +1179,20 @@ static int qeth_check_irb_error(struct qeth_card *card, struct ccw_device *cdev,
 	}
 }
 
+/**
+ * qeth_irq() - qeth interrupt handler
+ * @cdev: ccw device
+ * @intparm: expect pointer to iob
+ * @irb: Interruption Response Block
+ *
+ * In the good path:
+ * corresponding qeth channel is locked with last used iob as active_cmd.
+ * But this function is also called for error interrupts.
+ *
+ * Caller ensures that:
+ * Interrupts are disabled; ccw device lock is held;
+ *
+ */
 static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
 		struct irb *irb)
 {
@@ -1220,11 +1234,10 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
 		iob = (struct qeth_cmd_buffer *) (addr_t)intparm;
 	}
 
-	qeth_unlock_channel(card, channel);
-
 	rc = qeth_check_irb_error(card, cdev, irb);
 	if (rc) {
 		/* IO was terminated, free its resources. */
+		qeth_unlock_channel(card, channel);
 		if (iob)
 			qeth_cancel_cmd(iob, rc);
 		return;
@@ -1268,6 +1281,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
 		rc = qeth_get_problem(card, cdev, irb);
 		if (rc) {
 			card->read_or_write_problem = 1;
+			qeth_unlock_channel(card, channel);
 			if (iob)
 				qeth_cancel_cmd(iob, rc);
 			qeth_clear_ipacmd_list(card);
@@ -1276,6 +1290,26 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
 		}
 	}
 
+	if (scsw_cmd_is_valid_cc(&irb->scsw) && irb->scsw.cmd.cc == 1 && iob) {
+		/* channel command hasn't started: retry.
+		 * active_cmd is still set to last iob
+		 */
+		QETH_CARD_TEXT(card, 2, "irqcc1");
+		rc = ccw_device_start_timeout(cdev, __ccw_from_cmd(iob),
+					      (addr_t)iob, 0, 0, iob->timeout);
+		if (rc) {
+			QETH_DBF_MESSAGE(2,
+					 "ccw retry on %x failed, rc = %i\n",
+					 CARD_DEVID(card), rc);
+			QETH_CARD_TEXT_(card, 2, " err%d", rc);
+			qeth_unlock_channel(card, channel);
+			qeth_cancel_cmd(iob, rc);
+		}
+		return;
+	}
+
+	qeth_unlock_channel(card, channel);
+
 	if (iob) {
 		/* sanity check: */
 		if (irb->scsw.cmd.count > iob->length) {
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 4f0d0e55f0..d6516ab004 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -900,8 +900,19 @@ static void zfcp_fc_rspn(struct zfcp_adapter *adapter,
 	zfcp_fc_ct_ns_init(&rspn_req->ct_hdr, FC_NS_RSPN_ID,
 			   FC_SYMBOLIC_NAME_SIZE);
 	hton24(rspn_req->rspn.fr_fid.fp_fid, fc_host_port_id(shost));
-	len = strlcpy(rspn_req->rspn.fr_name, fc_host_symbolic_name(shost),
-		      FC_SYMBOLIC_NAME_SIZE);
+
+	BUILD_BUG_ON(sizeof(rspn_req->name) !=
+			sizeof(fc_host_symbolic_name(shost)));
+	BUILD_BUG_ON(sizeof(rspn_req->name) !=
+			type_max(typeof(rspn_req->rspn.fr_name_len)) + 1);
+	len = strscpy(rspn_req->name, fc_host_symbolic_name(shost),
+		      sizeof(rspn_req->name));
+	/*
+	 * It should be impossible for this to truncate (see BUILD_BUG_ON()
+	 * above), but be robust anyway.
+	 */
+	if (WARN_ON(len < 0))
+		len = sizeof(rspn_req->name) - 1;
 	rspn_req->rspn.fr_name_len = len;
 
 	sg_init_one(&fc_req->sg_req, rspn_req, sizeof(*rspn_req));