Adding upstream version 6.7.7.upstream/6.7.7

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

26 files changed, 207 insertions, 113 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 5b11ee923..833cfab7d 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -412,7 +412,8 @@ dasd_state_ready_to_online(struct dasd_device * device)
 					KOBJ_CHANGE);
 			return 0;
 		}
-		disk_uevent(device->block->bdev->bd_disk, KOBJ_CHANGE);
+		disk_uevent(device->block->bdev_handle->bdev->bd_disk,
+			    KOBJ_CHANGE);
 	}
 	return 0;
 }
@@ -432,7 +433,8 @@ static int dasd_state_online_to_ready(struct dasd_device *device)
 
 	device->state = DASD_STATE_READY;
 	if (device->block && !(device->features & DASD_FEATURE_USERAW))
-		disk_uevent(device->block->bdev->bd_disk, KOBJ_CHANGE);
+		disk_uevent(device->block->bdev_handle->bdev->bd_disk,
+			    KOBJ_CHANGE);
 	return 0;
 }
 
@@ -3592,7 +3594,7 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
 	 * in the other openers.
 	 */
 	if (device->block) {
-		max_count = device->block->bdev ? 0 : -1;
+		max_count = device->block->bdev_handle ? 0 : -1;
 		open_count = atomic_read(&device->block->open_count);
 		if (open_count > max_count) {
 			if (open_count > 0)
@@ -3638,8 +3640,8 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
 		 * so sync bdev first and then wait for our queues to become
 		 * empty
 		 */
-		if (device->block)
-			bdev_mark_dead(device->block->bdev, false);
+		if (device->block && device->block->bdev_handle)
+			bdev_mark_dead(device->block->bdev_handle->bdev, false);
 		dasd_schedule_device_bh(device);
 		rc = wait_event_interruptible(shutdown_waitq,
 					      _wait_for_empty_queues(device));
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index fe5108a1b..55e3abe94 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -127,15 +127,15 @@ void dasd_gendisk_free(struct dasd_block *block)
  */
 int dasd_scan_partitions(struct dasd_block *block)
 {
-	struct block_device *bdev;
+	struct bdev_handle *bdev_handle;
 	int rc;
 
-	bdev = blkdev_get_by_dev(disk_devt(block->gdp), BLK_OPEN_READ, NULL,
-				 NULL);
-	if (IS_ERR(bdev)) {
+	bdev_handle = bdev_open_by_dev(disk_devt(block->gdp), BLK_OPEN_READ,
+				       NULL, NULL);
+	if (IS_ERR(bdev_handle)) {
 		DBF_DEV_EVENT(DBF_ERR, block->base,
 			      "scan partitions error, blkdev_get returned %ld",
-			      PTR_ERR(bdev));
+			      PTR_ERR(bdev_handle));
 		return -ENODEV;
 	}
 
@@ -147,16 +147,15 @@ int dasd_scan_partitions(struct dasd_block *block)
 				"scan partitions error, rc %d", rc);
 
 	/*
-	 * Since the matching blkdev_put call to the blkdev_get in
-	 * this function is not called before dasd_destroy_partitions
-	 * the offline open_count limit needs to be increased from
-	 * 0 to 1. This is done by setting device->bdev (see
-	 * dasd_generic_set_offline). As long as the partition
-	 * detection is running no offline should be allowed. That
-	 * is why the assignment to device->bdev is done AFTER
-	 * the BLKRRPART ioctl.
+	 * Since the matching bdev_release() call to the
+	 * bdev_open_by_path() in this function is not called before
+	 * dasd_destroy_partitions the offline open_count limit needs to be
+	 * increased from 0 to 1. This is done by setting device->bdev_handle
+	 * (see dasd_generic_set_offline). As long as the partition detection
+	 * is running no offline should be allowed. That is why the assignment
+	 * to block->bdev_handle is done AFTER the BLKRRPART ioctl.
 	 */
-	block->bdev = bdev;
+	block->bdev_handle = bdev_handle;
 	return 0;
 }
 
@@ -166,21 +165,21 @@ int dasd_scan_partitions(struct dasd_block *block)
  */
 void dasd_destroy_partitions(struct dasd_block *block)
 {
-	struct block_device *bdev;
+	struct bdev_handle *bdev_handle;
 
 	/*
-	 * Get the bdev pointer from the device structure and clear
-	 * device->bdev to lower the offline open_count limit again.
+	 * Get the bdev_handle pointer from the device structure and clear
+	 * device->bdev_handle to lower the offline open_count limit again.
 	 */
-	bdev = block->bdev;
-	block->bdev = NULL;
+	bdev_handle = block->bdev_handle;
+	block->bdev_handle = NULL;
 
-	mutex_lock(&bdev->bd_disk->open_mutex);
-	bdev_disk_changed(bdev->bd_disk, true);
-	mutex_unlock(&bdev->bd_disk->open_mutex);
+	mutex_lock(&bdev_handle->bdev->bd_disk->open_mutex);
+	bdev_disk_changed(bdev_handle->bdev->bd_disk, true);
+	mutex_unlock(&bdev_handle->bdev->bd_disk->open_mutex);
 
 	/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
-	blkdev_put(bdev, NULL);
+	bdev_release(bdev_handle);
 }
 
 int dasd_gendisk_init(void)
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 8a4dbe9d7..1b1b8a41c 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -283,7 +283,7 @@ struct dasd_pprc_dev_info {
 	__u8 secondary;		/* 7       Secondary device address */
 	__u16 pprc_id;		/* 8-9     Peer-to-Peer Remote Copy ID */
 	__u8 reserved2[12];	/* 10-21   reserved */
-	__u16 prim_cu_ssid;	/* 22-23   Pimary Control Unit SSID */
+	__u16 prim_cu_ssid;	/* 22-23   Primary Control Unit SSID */
 	__u8 reserved3[12];	/* 24-35   reserved */
 	__u16 sec_cu_ssid;	/* 36-37   Secondary Control Unit SSID */
 	__u8 reserved4[90];	/* 38-127  reserved */
@@ -650,7 +650,7 @@ struct dasd_block {
 	struct gendisk *gdp;
 	spinlock_t request_queue_lock;
 	struct blk_mq_tag_set tag_set;
-	struct block_device *bdev;
+	struct bdev_handle *bdev_handle;
 	atomic_t open_count;
 
 	unsigned long blocks;	   /* size of volume in blocks */
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index d55862605..61b9675e2 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -537,7 +537,7 @@ static int __dasd_ioctl_information(struct dasd_block *block,
 	 * This must be hidden from user-space.
 	 */
 	dasd_info->open_count = atomic_read(&block->open_count);
-	if (!block->bdev)
+	if (!block->bdev_handle)
 		dasd_info->open_count++;
 
 	/*
diff --git a/drivers/s390/char/diag_ftp.c b/drivers/s390/char/diag_ftp.c
index 65c7f2d56..9418a9270 100644
--- a/drivers/s390/char/diag_ftp.c
+++ b/drivers/s390/char/diag_ftp.c
@@ -16,7 +16,7 @@
 #include <linux/wait.h>
 #include <linux/string.h>
 #include <asm/asm-extable.h>
-#include <asm/ctl_reg.h>
+#include <asm/ctlreg.h>
 #include <asm/diag.h>
 
 #include "hmcdrv_ftp.h"
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 8f74db689..d53ee34d3 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -81,7 +81,7 @@ static inline void sclp_trace(int prio, char *id, u32 a, u64 b, bool err)
 	struct sclp_trace_entry e;
 
 	memset(&e, 0, sizeof(e));
-	strncpy(e.id, id, sizeof(e.id));
+	strtomem(e.id, id);
 	e.a = a;
 	e.b = b;
 	debug_event(&sclp_debug, prio, &e, sizeof(e));
@@ -706,8 +706,8 @@ void
 sclp_sync_wait(void)
 {
 	unsigned long long old_tick;
+	struct ctlreg cr0, cr0_sync;
 	unsigned long flags;
-	unsigned long cr0, cr0_sync;
 	static u64 sync_count;
 	u64 timeout;
 	int irq_context;
@@ -732,10 +732,10 @@ sclp_sync_wait(void)
 	/* Enable service-signal interruption, disable timer interrupts */
 	old_tick = local_tick_disable();
 	trace_hardirqs_on();
-	__ctl_store(cr0, 0, 0);
-	cr0_sync = cr0 & ~CR0_IRQ_SUBCLASS_MASK;
-	cr0_sync |= 1UL << (63 - 54);
-	__ctl_load(cr0_sync, 0, 0);
+	local_ctl_store(0, &cr0);
+	cr0_sync.val = cr0.val & ~CR0_IRQ_SUBCLASS_MASK;
+	cr0_sync.val |= 1UL << (63 - 54);
+	local_ctl_load(0, &cr0_sync);
 	__arch_local_irq_stosm(0x01);
 	/* Loop until driver state indicates finished request */
 	while (sclp_running_state != sclp_running_state_idle) {
@@ -745,7 +745,7 @@ sclp_sync_wait(void)
 		cpu_relax();
 	}
 	local_irq_disable();
-	__ctl_load(cr0, 0, 0);
+	local_ctl_load(0, &cr0);
 	if (!irq_context)
 		_local_bh_enable();
 	local_tick_enable(old_tick);
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 8b4575a0d..11c428f4c 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -19,7 +19,7 @@
 #include <linux/mmzone.h>
 #include <linux/memory.h>
 #include <linux/module.h>
-#include <asm/ctl_reg.h>
+#include <asm/ctlreg.h>
 #include <asm/chpid.h>
 #include <asm/setup.h>
 #include <asm/page.h>
@@ -353,7 +353,6 @@ static int sclp_mem_notifier(struct notifier_block *nb,
 		sclp_mem_change_state(start, size, 0);
 		break;
 	default:
-		rc = -EINVAL;
 		break;
 	}
 	mutex_unlock(&sclp_mem_mutex);
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index fdc8668f3..60a247fdb 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -10,7 +10,7 @@
 
 #include <linux/errno.h>
 #include <linux/memblock.h>
-#include <asm/ctl_reg.h>
+#include <asm/ctlreg.h>
 #include <asm/sclp.h>
 #include <asm/ipl.h>
 #include <asm/setup.h>
diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c
index dbd5c53d8..9f6165caf 100644
--- a/drivers/s390/char/sclp_early_core.c
+++ b/drivers/s390/char/sclp_early_core.c
@@ -7,6 +7,7 @@
 #include <linux/kernel.h>
 #include <asm/processor.h>
 #include <asm/lowcore.h>
+#include <asm/ctlreg.h>
 #include <asm/ebcdic.h>
 #include <asm/irq.h>
 #include <asm/sections.h>
@@ -31,11 +32,11 @@ void sclp_early_wait_irq(void)
 	psw_t psw_ext_save, psw_wait;
 	union ctlreg0 cr0, cr0_new;
 
-	__ctl_store(cr0.val, 0, 0);
+	local_ctl_store(0, &cr0.reg);
 	cr0_new.val = cr0.val & ~CR0_IRQ_SUBCLASS_MASK;
 	cr0_new.lap = 0;
 	cr0_new.sssm = 1;
-	__ctl_load(cr0_new.val, 0, 0);
+	local_ctl_load(0, &cr0_new.reg);
 
 	psw_ext_save = S390_lowcore.external_new_psw;
 	psw_mask = __extract_psw();
@@ -58,7 +59,7 @@ void sclp_early_wait_irq(void)
 	} while (S390_lowcore.ext_int_code != EXT_IRQ_SERVICE_SIG);
 
 	S390_lowcore.external_new_psw = psw_ext_save;
-	__ctl_load(cr0.val, 0, 0);
+	local_ctl_load(0, &cr0.reg);
 }
 
 int sclp_early_cmd(sclp_cmdw_t cmd, void *sccb)
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 5440f285f..675d7ed82 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -334,7 +334,7 @@ static ssize_t chp_cmg_show(struct device *dev, struct device_attribute *attr,
 		return 0;
 	if (chp->cmg == -1) /* channel measurements not available */
 		return sprintf(buf, "unknown\n");
-	return sprintf(buf, "%x\n", chp->cmg);
+	return sprintf(buf, "%d\n", chp->cmg);
 }
 
 static DEVICE_ATTR(cmg, 0444, chp_cmg_show, NULL);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 0abd77f4b..f8b04ce61 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -393,8 +393,8 @@ static void format_node_data(char *params, char *id, struct node_descriptor *nd)
 	memset(id, 0, NODEID_LEN);
 
 	if (nd->validity != ND_VALIDITY_VALID) {
-		strncpy(params, "n/a", PARAMS_LEN - 1);
-		strncpy(id, "n/a", NODEID_LEN - 1);
+		strscpy(params, "n/a", PARAMS_LEN);
+		strscpy(id, "n/a", NODEID_LEN);
 		return;
 	}
 
@@ -881,8 +881,8 @@ int __chsc_do_secm(struct channel_subsystem *css, int enable)
 	secm_area->request.code = 0x0016;
 
 	secm_area->key = PAGE_DEFAULT_KEY >> 4;
-	secm_area->cub_addr1 = (u64)(unsigned long)css->cub_addr1;
-	secm_area->cub_addr2 = (u64)(unsigned long)css->cub_addr2;
+	secm_area->cub_addr1 = virt_to_phys(css->cub_addr1);
+	secm_area->cub_addr2 = virt_to_phys(css->cub_addr2);
 
 	secm_area->operation_code = enable ? 0 : 1;
 
diff --git a/drivers/s390/cio/crw.c b/drivers/s390/cio/crw.c
index 7b02a6349..4916dd0a7 100644
--- a/drivers/s390/cio/crw.c
+++ b/drivers/s390/cio/crw.c
@@ -12,8 +12,8 @@
 #include <linux/kthread.h>
 #include <linux/init.h>
 #include <linux/wait.h>
+#include <asm/ctlreg.h>
 #include <asm/crw.h>
-#include <asm/ctl_reg.h>
 #include "ioasm.h"
 
 static DEFINE_MUTEX(crw_handler_mutex);
@@ -156,7 +156,7 @@ static int __init crw_machine_check_init(void)
 	task = kthread_run(crw_collect_info, NULL, "kmcheck");
 	if (IS_ERR(task))
 		return PTR_ERR(task);
-	ctl_set_bit(14, 28);	/* enable channel report MCH */
+	system_ctl_set_bit(14, CR14_CHANNEL_REPORT_SUBMASK_BIT);
 	return 0;
 }
 device_initcall(crw_machine_check_init);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index c533d1dad..a5dba3829 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -202,7 +202,8 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
 		return -EINVAL;
 	if (cdev->private->state == DEV_STATE_NOT_OPER)
 		return -ENODEV;
-	if (cdev->private->state == DEV_STATE_VERIFY) {
+	if (cdev->private->state == DEV_STATE_VERIFY ||
+	    cdev->private->flags.doverify) {
 		/* Remember to fake irb when finished. */
 		if (!cdev->private->flags.fake_irb) {
 			cdev->private->flags.fake_irb = FAKE_CMD_IRB;
@@ -214,8 +215,7 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
 	}
 	if (cdev->private->state != DEV_STATE_ONLINE ||
 	    ((sch->schib.scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) &&
-	     !(sch->schib.scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS)) ||
-	    cdev->private->flags.doverify)
+	     !(sch->schib.scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS)))
 		return -EBUSY;
 	ret = cio_set_options (sch, flags);
 	if (ret)
diff --git a/drivers/s390/cio/isc.c b/drivers/s390/cio/isc.c
index 77fde9f5e..dbc2ac771 100644
--- a/drivers/s390/cio/isc.c
+++ b/drivers/s390/cio/isc.c
@@ -33,7 +33,7 @@ void isc_register(unsigned int isc)
 
 	spin_lock(&isc_ref_lock);
 	if (isc_refs[isc] == 0)
-		ctl_set_bit(6, 31 - isc);
+		system_ctl_set_bit(6, 31 - isc);
 	isc_refs[isc]++;
 	spin_unlock(&isc_ref_lock);
 }
@@ -61,7 +61,7 @@ void isc_unregister(unsigned int isc)
 		goto out_unlock;
 	}
 	if (isc_refs[isc] == 1)
-		ctl_clear_bit(6, 31 - isc);
+		system_ctl_clear_bit(6, 31 - isc);
 	isc_refs[isc]--;
 out_unlock:
 	spin_unlock(&isc_ref_lock);
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index d6ad43788..5dd33155d 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -352,7 +352,7 @@ EXPORT_SYMBOL(ap_test_config_ctrl_domain);
 /*
  * ap_queue_info(): Check and get AP queue info.
  * Returns: 1 if APQN exists and info is filled,
- *	    0 if APQN seems to exit but there is no info
+ *	    0 if APQN seems to exist but there is no info
  *	      available (eg. caused by an asynch pending error)
  *	   -1 invalid APQN, TAPQ error or AP queue status which
  *	      indicates there is no APQN.
@@ -373,36 +373,33 @@ static int ap_queue_info(ap_qid_t qid, int *q_type, unsigned int *q_fac,
 	/* call TAPQ on this APQN */
 	status = ap_test_queue(qid, ap_apft_available(), &tapq_info);
 
-	/* handle pending async error with return 'no info available' */
-	if (status.async)
-		return 0;
-
 	switch (status.response_code) {
 	case AP_RESPONSE_NORMAL:
 	case AP_RESPONSE_RESET_IN_PROGRESS:
 	case AP_RESPONSE_DECONFIGURED:
 	case AP_RESPONSE_CHECKSTOPPED:
 	case AP_RESPONSE_BUSY:
-		/*
-		 * According to the architecture in all these cases the
-		 * info should be filled. All bits 0 is not possible as
-		 * there is at least one of the mode bits set.
-		 */
-		if (WARN_ON_ONCE(!tapq_info.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;
-		return 1;
+		/* For all these RCs the tapq info should be available */
+		break;
 	default:
-		/*
-		 * A response code which indicates, there is no info available.
-		 */
-		return -1;
+		/* On a pending async error the info should be available */
+		if (!status.async)
+			return -1;
+		break;
 	}
+
+	/* There should be at least one of the mode bits set */
+	if (WARN_ON_ONCE(!tapq_info.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;
+
+	return 1;
 }
 
 void ap_wait(enum ap_sm_wait wait)
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 3e34912a6..b0771ca08 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -206,7 +206,7 @@ struct ap_queue {
 	bool config;			/* configured state */
 	bool chkstop;			/* checkstop state */
 	ap_qid_t qid;			/* AP queue id. */
-	bool interrupt;			/* indicate if interrupts are enabled */
+	bool se_bound;			/* SE bound state */
 	unsigned int assoc_idx;		/* SE association index */
 	int queue_count;		/* # messages currently on AP queue. */
 	int pendingq_count;		/* # requests on pendingq list. */
@@ -271,6 +271,7 @@ enum ap_sm_wait ap_sm_event_loop(struct ap_queue *aq, enum ap_sm_event event);
 int ap_queue_message(struct ap_queue *aq, struct ap_message *ap_msg);
 void ap_cancel_message(struct ap_queue *aq, struct ap_message *ap_msg);
 void ap_flush_queue(struct ap_queue *aq);
+bool ap_queue_usable(struct ap_queue *aq);
 
 void *ap_airq_ptr(void);
 int ap_sb_available(void);
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 2943b2529..3934a0cc1 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -33,6 +33,11 @@ static inline bool ap_q_supports_assoc(struct ap_queue *aq)
 	return ap_test_bit(&aq->card->functions, AP_FUNC_EP11);
 }
 
+static inline bool ap_q_needs_bind(struct ap_queue *aq)
+{
+	return ap_q_supports_bind(aq) && ap_sb_available();
+}
+
 /**
  * ap_queue_enable_irq(): Enable interrupt support on this AP queue.
  * @aq: The AP queue
@@ -195,13 +200,13 @@ static enum ap_sm_wait ap_sm_read(struct ap_queue *aq)
 			return AP_SM_WAIT_AGAIN;
 		}
 		aq->sm_state = AP_SM_STATE_IDLE;
-		return AP_SM_WAIT_NONE;
+		break;
 	case AP_RESPONSE_NO_PENDING_REPLY:
 		if (aq->queue_count > 0)
-			return aq->interrupt ?
+			return status.irq_enabled ?
 				AP_SM_WAIT_INTERRUPT : AP_SM_WAIT_HIGH_TIMEOUT;
 		aq->sm_state = AP_SM_STATE_IDLE;
-		return AP_SM_WAIT_NONE;
+		break;
 	default:
 		aq->dev_state = AP_DEV_STATE_ERROR;
 		aq->last_err_rc = status.response_code;
@@ -210,6 +215,16 @@ static enum ap_sm_wait ap_sm_read(struct ap_queue *aq)
 			    AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
 		return AP_SM_WAIT_NONE;
 	}
+	/* Check and maybe enable irq support (again) on this queue */
+	if (!status.irq_enabled && status.queue_empty) {
+		void *lsi_ptr = ap_airq_ptr();
+
+		if (lsi_ptr && ap_queue_enable_irq(aq, lsi_ptr) == 0) {
+			aq->sm_state = AP_SM_STATE_SETIRQ_WAIT;
+			return AP_SM_WAIT_AGAIN;
+		}
+	}
+	return AP_SM_WAIT_NONE;
 }
 
 /**
@@ -249,7 +264,7 @@ static enum ap_sm_wait ap_sm_write(struct ap_queue *aq)
 		fallthrough;
 	case AP_RESPONSE_Q_FULL:
 		aq->sm_state = AP_SM_STATE_QUEUE_FULL;
-		return aq->interrupt ?
+		return status.irq_enabled ?
 			AP_SM_WAIT_INTERRUPT : AP_SM_WAIT_HIGH_TIMEOUT;
 	case AP_RESPONSE_RESET_IN_PROGRESS:
 		aq->sm_state = AP_SM_STATE_RESET_WAIT;
@@ -302,8 +317,8 @@ static enum ap_sm_wait ap_sm_reset(struct ap_queue *aq)
 	case AP_RESPONSE_NORMAL:
 	case AP_RESPONSE_RESET_IN_PROGRESS:
 		aq->sm_state = AP_SM_STATE_RESET_WAIT;
-		aq->interrupt = false;
 		aq->rapq_fbit = 0;
+		aq->se_bound = false;
 		return AP_SM_WAIT_LOW_TIMEOUT;
 	default:
 		aq->dev_state = AP_DEV_STATE_ERROR;
@@ -377,7 +392,6 @@ static enum ap_sm_wait ap_sm_setirq_wait(struct ap_queue *aq)
 
 	if (status.irq_enabled == 1) {
 		/* Irqs are now enabled */
-		aq->interrupt = true;
 		aq->sm_state = (aq->queue_count > 0) ?
 			AP_SM_STATE_WORKING : AP_SM_STATE_IDLE;
 	}
@@ -620,16 +634,21 @@ static ssize_t interrupt_show(struct device *dev,
 			      struct device_attribute *attr, char *buf)
 {
 	struct ap_queue *aq = to_ap_queue(dev);
+	struct ap_queue_status status;
 	int rc = 0;
 
 	spin_lock_bh(&aq->lock);
-	if (aq->sm_state == AP_SM_STATE_SETIRQ_WAIT)
+	if (aq->sm_state == AP_SM_STATE_SETIRQ_WAIT) {
 		rc = sysfs_emit(buf, "Enable Interrupt pending.\n");
-	else if (aq->interrupt)
-		rc = sysfs_emit(buf, "Interrupts enabled.\n");
-	else
-		rc = sysfs_emit(buf, "Interrupts disabled.\n");
+	} else {
+		status = ap_tapq(aq->qid, NULL);
+		if (status.irq_enabled)
+			rc = sysfs_emit(buf, "Interrupts enabled.\n");
+		else
+			rc = sysfs_emit(buf, "Interrupts disabled.\n");
+	}
 	spin_unlock_bh(&aq->lock);
+
 	return rc;
 }
 
@@ -868,7 +887,12 @@ static ssize_t se_bind_store(struct device *dev,
 		}
 		status = ap_bapq(aq->qid);
 		spin_unlock_bh(&aq->lock);
-		if (status.response_code) {
+		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),
@@ -1021,7 +1045,6 @@ struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type)
 	if (ap_sb_available() && is_prot_virt_guest())
 		aq->ap_dev.device.groups = ap_queue_dev_sb_attr_groups;
 	aq->qid = qid;
-	aq->interrupt = false;
 	spin_lock_init(&aq->lock);
 	INIT_LIST_HEAD(&aq->pendingq);
 	INIT_LIST_HEAD(&aq->requestq);
@@ -1074,6 +1097,42 @@ int ap_queue_message(struct ap_queue *aq, struct ap_message *ap_msg)
 EXPORT_SYMBOL(ap_queue_message);
 
 /**
+ * ap_queue_usable(): Check if queue is usable just now.
+ * @aq: The AP queue device to test for usability.
+ * This function is intended for the scheduler to query if it makes
+ * sense to enqueue a message into this AP queue device by calling
+ * ap_queue_message(). The perspective is very short-term as the
+ * state machine and device state(s) may change at any time.
+ */
+bool ap_queue_usable(struct ap_queue *aq)
+{
+	bool rc = true;
+
+	spin_lock_bh(&aq->lock);
+
+	/* check for not configured or checkstopped */
+	if (!aq->config || aq->chkstop) {
+		rc = false;
+		goto unlock_and_out;
+	}
+
+	/* device state needs to be ok */
+	if (aq->dev_state != AP_DEV_STATE_OPERATING) {
+		rc = false;
+		goto unlock_and_out;
+	}
+
+	/* SE guest's queues additionally need to be bound */
+	if (ap_q_needs_bind(aq) && !aq->se_bound)
+		rc = false;
+
+unlock_and_out:
+	spin_unlock_bh(&aq->lock);
+	return rc;
+}
+EXPORT_SYMBOL(ap_queue_usable);
+
+/**
  * ap_cancel_message(): Cancel a crypto request.
  * @aq: The AP device that has the message queued
  * @ap_msg: The message that is to be removed
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index 88f41f95c..d6ea2fd4c 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -2044,6 +2044,7 @@ static ssize_t status_show(struct device *dev,
 {
 	ssize_t nchars = 0;
 	struct vfio_ap_queue *q;
+	unsigned long apid, apqi;
 	struct ap_matrix_mdev *matrix_mdev;
 	struct ap_device *apdev = to_ap_dev(dev);
 
@@ -2051,8 +2052,21 @@ static ssize_t status_show(struct device *dev,
 	q = dev_get_drvdata(&apdev->device);
 	matrix_mdev = vfio_ap_mdev_for_queue(q);
 
+	/* If the queue is assigned to the matrix mediated device, then
+	 * determine whether it is passed through to a guest; otherwise,
+	 * indicate that it is unassigned.
+	 */
 	if (matrix_mdev) {
-		if (matrix_mdev->kvm)
+		apid = AP_QID_CARD(q->apqn);
+		apqi = AP_QID_QUEUE(q->apqn);
+		/*
+		 * If the queue is passed through to the guest, then indicate
+		 * that it is in use; otherwise, indicate that it is
+		 * merely assigned to a matrix mediated device.
+		 */
+		if (matrix_mdev->kvm &&
+		    test_bit_inv(apid, matrix_mdev->shadow_apcb.apm) &&
+		    test_bit_inv(apqi, matrix_mdev->shadow_apcb.aqm))
 			nchars = scnprintf(buf, PAGE_SIZE, "%s\n",
 					   AP_QUEUE_IN_USE);
 		else
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index ce04caa79..dcd6c7299 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -693,7 +693,7 @@ static long zcrypt_rsa_modexpo(struct ap_perms *perms,
 		for_each_zcrypt_queue(zq, zc) {
 			/* check if device is usable and eligible */
 			if (!zq->online || !zq->ops->rsa_modexpo ||
-			    !zq->queue->config || zq->queue->chkstop)
+			    !ap_queue_usable(zq->queue))
 				continue;
 			/* check if device node has admission for this queue */
 			if (!zcrypt_check_queue(perms,
@@ -798,7 +798,7 @@ static long zcrypt_rsa_crt(struct ap_perms *perms,
 		for_each_zcrypt_queue(zq, zc) {
 			/* check if device is usable and eligible */
 			if (!zq->online || !zq->ops->rsa_modexpo_crt ||
-			    !zq->queue->config || zq->queue->chkstop)
+			    !ap_queue_usable(zq->queue))
 				continue;
 			/* check if device node has admission for this queue */
 			if (!zcrypt_check_queue(perms,
@@ -916,7 +916,7 @@ static long _zcrypt_send_cprb(bool userspace, struct ap_perms *perms,
 		for_each_zcrypt_queue(zq, zc) {
 			/* check for device usable and eligible */
 			if (!zq->online || !zq->ops->send_cprb ||
-			    !zq->queue->config || zq->queue->chkstop ||
+			    !ap_queue_usable(zq->queue) ||
 			    (tdom != AUTOSEL_DOM &&
 			     tdom != AP_QID_QUEUE(zq->queue->qid)))
 				continue;
@@ -1087,7 +1087,7 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms,
 		for_each_zcrypt_queue(zq, zc) {
 			/* check if device is usable and eligible */
 			if (!zq->online || !zq->ops->send_ep11_cprb ||
-			    !zq->queue->config || zq->queue->chkstop ||
+			    !ap_queue_usable(zq->queue) ||
 			    (targets &&
 			     !is_desired_ep11_queue(zq->queue->qid,
 						    target_num, targets)))
@@ -1186,7 +1186,7 @@ static long zcrypt_rng(char *buffer)
 		for_each_zcrypt_queue(zq, zc) {
 			/* check if device is usable and eligible */
 			if (!zq->online || !zq->ops->rng ||
-			    !zq->queue->config || zq->queue->chkstop)
+			    !ap_queue_usable(zq->queue))
 				continue;
 			if (!zcrypt_queue_compare(zq, pref_zq, wgt, pref_wgt))
 				continue;
diff --git a/drivers/s390/crypto/zcrypt_card.c b/drivers/s390/crypto/zcrypt_card.c
index c815722d0..050462d95 100644
--- a/drivers/s390/crypto/zcrypt_card.c
+++ b/drivers/s390/crypto/zcrypt_card.c
@@ -52,7 +52,7 @@ static ssize_t online_show(struct device *dev,
 {
 	struct zcrypt_card *zc = dev_get_drvdata(dev);
 	struct ap_card *ac = to_ap_card(dev);
-	int online = ac->config && zc->online ? 1 : 0;
+	int online = ac->config && !ac->chkstop && zc->online ? 1 : 0;
 
 	return sysfs_emit(buf, "%d\n", online);
 }
@@ -70,7 +70,7 @@ static ssize_t online_store(struct device *dev,
 	if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1)
 		return -EINVAL;
 
-	if (online && !ac->config)
+	if (online && (!ac->config || ac->chkstop))
 		return -ENODEV;
 
 	zc->online = online;
diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c
index 9cfce9ff2..5c4532ab0 100644
--- a/drivers/s390/crypto/zcrypt_cex4.c
+++ b/drivers/s390/crypto/zcrypt_cex4.c
@@ -279,7 +279,11 @@ static const struct {
 	{ 1, "BSI2009" },
 	{ 2, "FIPS2011" },
 	{ 3, "BSI2011" },
+	{ 4, "SIGG-IMPORT" },
+	{ 5, "SIGG" },
 	{ 6, "BSICC2017" },
+	{ 7, "FIPS2021" },
+	{ 8, "FIPS2024" },
 	{ 0, NULL }
 };
 
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
index d36177e65..a44fcfcec 100644
--- a/drivers/s390/crypto/zcrypt_error.h
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -98,8 +98,22 @@ static inline int convert_error(struct zcrypt_queue *zq,
 	case REP88_ERROR_MESSAGE_MALFORMD:	 /* 0x22 */
 	case REP88_ERROR_KEY_TYPE:		 /* 0x34 */
 		/* RY indicates malformed request */
-		ZCRYPT_DBF_WARN("%s dev=%02x.%04x RY=0x%02x => rc=EINVAL\n",
-				__func__, card, queue, ehdr->reply_code);
+		if (ehdr->reply_code == REP82_ERROR_FILTERED_BY_HYPERVISOR &&
+		    ehdr->type == TYPE86_RSP_CODE) {
+			struct {
+				struct type86_hdr hdr;
+				struct type86_fmt2_ext fmt2;
+			} __packed * head = reply->msg;
+			unsigned int apfs = *((u32 *)head->fmt2.apfs);
+
+			ZCRYPT_DBF_WARN("%s dev=%02x.%04x RY=0x%02x apfs=0x%x => rc=EINVAL\n",
+					__func__, card, queue,
+					ehdr->reply_code, apfs);
+		} else {
+			ZCRYPT_DBF_WARN("%s dev=%02x.%04x RY=0x%02x => rc=EINVAL\n",
+					__func__, card, queue,
+					ehdr->reply_code);
+		}
 		return -EINVAL;
 	case REP82_ERROR_MACHINE_FAILURE:	 /* 0x10 */
 	case REP82_ERROR_MESSAGE_TYPE:		 /* 0x20 */
diff --git a/drivers/s390/crypto/zcrypt_queue.c b/drivers/s390/crypto/zcrypt_queue.c
index 112a80e8e..67d8e0ae0 100644
--- a/drivers/s390/crypto/zcrypt_queue.c
+++ b/drivers/s390/crypto/zcrypt_queue.c
@@ -42,7 +42,7 @@ static ssize_t online_show(struct device *dev,
 {
 	struct zcrypt_queue *zq = dev_get_drvdata(dev);
 	struct ap_queue *aq = to_ap_queue(dev);
-	int online = aq->config && zq->online ? 1 : 0;
+	int online = aq->config && !aq->chkstop && zq->online ? 1 : 0;
 
 	return sysfs_emit(buf, "%d\n", online);
 }
@@ -59,7 +59,8 @@ static ssize_t online_store(struct device *dev,
 	if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1)
 		return -EINVAL;
 
-	if (online && (!aq->config || !aq->card->config))
+	if (online && (!aq->config || !aq->card->config ||
+		       aq->chkstop || aq->card->chkstop))
 		return -ENODEV;
 	if (online && !zc->online)
 		return -EINVAL;
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 6faf27136..ac15d7c2b 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -200,13 +200,13 @@ static void channel_free(struct channel *ch)
 static void channel_remove(struct channel *ch)
 {
 	struct channel **c = &channels;
-	char chid[CTCM_ID_SIZE+1];
+	char chid[CTCM_ID_SIZE];
 	int ok = 0;
 
 	if (ch == NULL)
 		return;
 	else
-		strncpy(chid, ch->id, CTCM_ID_SIZE);
+		strscpy(chid, ch->id, sizeof(chid));
 
 	channel_free(ch);
 	while (*c) {
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index cd783290b..cf8506d0f 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -3675,7 +3675,7 @@ static void qeth_flush_queue(struct qeth_qdio_out_q *queue)
 static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
 {
 	/*
-	 * check if weed have to switch to non-packing mode or if
+	 * check if we have to switch to non-packing mode or if
 	 * we have to get a pci flag out on the queue
 	 */
 	if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
@@ -6226,7 +6226,7 @@ static int qeth_add_dbf_entry(struct qeth_card *card, char *name)
 	new_entry = kzalloc(sizeof(struct qeth_dbf_entry), GFP_KERNEL);
 	if (!new_entry)
 		goto err_dbg;
-	strncpy(new_entry->dbf_name, name, DBF_NAME_LEN);
+	strscpy(new_entry->dbf_name, name, sizeof(new_entry->dbf_name));
 	new_entry->dbf_info = card->debug;
 	mutex_lock(&qeth_dbf_list_mutex);
 	list_add(&new_entry->dbf_list, &qeth_dbf_list);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index b92a32b4b..04c64ce0a 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -255,9 +255,10 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover)
 		if (!recover) {
 			hash_del(&addr->hnode);
 			kfree(addr);
-			continue;
+		} else {
+			/* prepare for recovery */
+			addr->disp_flag = QETH_DISP_ADDR_ADD;
 		}
-		addr->disp_flag = QETH_DISP_ADDR_ADD;
 	}
 
 	mutex_unlock(&card->ip_lock);
@@ -278,9 +279,11 @@ static void qeth_l3_recover_ip(struct qeth_card *card)
 		if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
 			rc = qeth_l3_register_addr_entry(card, addr);
 
-			if (!rc) {
+			if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {
+				/* keep it in the records */
 				addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
 			} else {
+				/* bad address */
 				hash_del(&addr->hnode);
 				kfree(addr);
 			}