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-rw-r--r--drivers/s390/block/dasd.c5
-rw-r--r--drivers/s390/block/dasd_eckd.c9
-rw-r--r--drivers/s390/char/raw3270.c2
-rw-r--r--drivers/s390/cio/blacklist.c13
-rw-r--r--drivers/s390/cio/chp.c2
-rw-r--r--drivers/s390/cio/device.c4
-rw-r--r--drivers/s390/cio/device.h1
-rw-r--r--drivers/s390/cio/device_fsm.c35
-rw-r--r--drivers/s390/crypto/zcrypt_pcixcc.c13
9 files changed, 56 insertions, 28 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index dad0449475b6..53b8c255360a 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2508,8 +2508,6 @@ int dasd_generic_restore_device(struct ccw_device *cdev)
device->stopped &= ~DASD_UNRESUMED_PM;
dasd_schedule_device_bh(device);
- if (device->block)
- dasd_schedule_block_bh(device->block);
if (device->discipline->restore)
rc = device->discipline->restore(device);
@@ -2520,6 +2518,9 @@ int dasd_generic_restore_device(struct ccw_device *cdev)
*/
device->stopped |= DASD_UNRESUMED_PM;
+ if (device->block)
+ dasd_schedule_block_bh(device->block);
+
dasd_put_device(device);
return 0;
}
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ab3521755588..0be7c15f45c5 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2338,6 +2338,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
/* Calculate number of blocks/records per track. */
blksize = block->bp_block;
blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
+ if (blk_per_trk == 0)
+ return ERR_PTR(-EINVAL);
/* Calculate record id of first and last block. */
first_rec = first_trk = blk_rq_pos(req) >> block->s2b_shift;
first_offs = sector_div(first_trk, blk_per_trk);
@@ -3211,6 +3213,7 @@ int dasd_eckd_pm_freeze(struct dasd_device *device)
int dasd_eckd_restore_device(struct dasd_device *device)
{
struct dasd_eckd_private *private;
+ struct dasd_eckd_characteristics temp_rdc_data;
int is_known, rc;
struct dasd_uid temp_uid;
@@ -3245,15 +3248,17 @@ int dasd_eckd_restore_device(struct dasd_device *device)
dasd_eckd_read_features(device);
/* Read Device Characteristics */
- memset(&private->rdc_data, 0, sizeof(private->rdc_data));
rc = dasd_generic_read_dev_chars(device, DASD_ECKD_MAGIC,
- &private->rdc_data, 64);
+ &temp_rdc_data, 64);
if (rc) {
DBF_EVENT(DBF_WARNING,
"Read device characteristics failed, rc=%d for "
"device: %s", rc, dev_name(&device->cdev->dev));
goto out_err;
}
+ spin_lock(get_ccwdev_lock(device->cdev));
+ memcpy(&private->rdc_data, &temp_rdc_data, sizeof(temp_rdc_data));
+ spin_unlock(get_ccwdev_lock(device->cdev));
/* add device to alias management */
dasd_alias_add_device(device);
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index d6a022f55e92..62ddf5202b79 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1361,11 +1361,13 @@ static int raw3270_pm_start(struct ccw_device *cdev)
void raw3270_pm_unfreeze(struct raw3270_view *view)
{
+#ifdef CONFIG_TN3270_CONSOLE
struct raw3270 *rp;
rp = view->dev;
if (rp && test_bit(RAW3270_FLAGS_FROZEN, &rp->flags))
ccw_device_force_console();
+#endif
}
static struct ccw_device_id raw3270_id[] = {
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 6565f027791e..7eab9ab9f406 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -265,13 +265,11 @@ struct ccwdev_iter {
static void *
cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset)
{
- struct ccwdev_iter *iter;
+ struct ccwdev_iter *iter = s->private;
if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
return NULL;
- iter = kzalloc(sizeof(struct ccwdev_iter), GFP_KERNEL);
- if (!iter)
- return ERR_PTR(-ENOMEM);
+ memset(iter, 0, sizeof(*iter));
iter->ssid = *offset / (__MAX_SUBCHANNEL + 1);
iter->devno = *offset % (__MAX_SUBCHANNEL + 1);
return iter;
@@ -280,8 +278,6 @@ cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset)
static void
cio_ignore_proc_seq_stop(struct seq_file *s, void *it)
{
- if (!IS_ERR(it))
- kfree(it);
}
static void *
@@ -378,14 +374,15 @@ static const struct seq_operations cio_ignore_proc_seq_ops = {
static int
cio_ignore_proc_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &cio_ignore_proc_seq_ops);
+ return seq_open_private(file, &cio_ignore_proc_seq_ops,
+ sizeof(struct ccwdev_iter));
}
static const struct file_operations cio_ignore_proc_fops = {
.open = cio_ignore_proc_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_private,
.write = cio_ignore_write,
};
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 40002830d48a..8ab51608da55 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -393,7 +393,6 @@ int chp_new(struct chp_id chpid)
chp->state = 1;
chp->dev.parent = &channel_subsystems[chpid.cssid]->device;
chp->dev.release = chp_release;
- dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);
/* Obtain channel path description and fill it in. */
ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc);
@@ -411,6 +410,7 @@ int chp_new(struct chp_id chpid)
} else {
chp->cmg = -1;
}
+ dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);
/* make it known to the system */
ret = device_register(&chp->dev);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index f780bdd3a04e..2ee093ec86e4 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1609,7 +1609,7 @@ int ccw_purge_blacklisted(void)
return 0;
}
-static void device_set_disconnected(struct ccw_device *cdev)
+void ccw_device_set_disconnected(struct ccw_device *cdev)
{
if (!cdev)
return;
@@ -1705,7 +1705,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow)
ccw_device_trigger_reprobe(cdev);
break;
case DISC:
- device_set_disconnected(cdev);
+ ccw_device_set_disconnected(cdev);
break;
default:
break;
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index ed39a2caaf47..246c6482842c 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -125,6 +125,7 @@ int ccw_device_stlck(struct ccw_device *);
void ccw_device_trigger_reprobe(struct ccw_device *);
void ccw_device_kill_io(struct ccw_device *);
int ccw_device_notify(struct ccw_device *, int);
+void ccw_device_set_disconnected(struct ccw_device *cdev);
void ccw_device_set_notoper(struct ccw_device *cdev);
/* qdio needs this. */
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index e728ce447f6e..b9613d7df9ef 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -387,19 +387,35 @@ ccw_device_done(struct ccw_device *cdev, int state)
cdev->private->state = state;
- if (state == DEV_STATE_BOXED) {
+ switch (state) {
+ case DEV_STATE_BOXED:
CIO_MSG_EVENT(0, "Boxed device %04x on subchannel %04x\n",
cdev->private->dev_id.devno, sch->schid.sch_no);
if (cdev->online && !ccw_device_notify(cdev, CIO_BOXED))
ccw_device_schedule_sch_unregister(cdev);
cdev->private->flags.donotify = 0;
- }
- if (state == DEV_STATE_NOT_OPER) {
+ break;
+ case DEV_STATE_NOT_OPER:
CIO_MSG_EVENT(0, "Device %04x gone on subchannel %04x\n",
cdev->private->dev_id.devno, sch->schid.sch_no);
if (!ccw_device_notify(cdev, CIO_GONE))
ccw_device_schedule_sch_unregister(cdev);
+ else
+ ccw_device_set_disconnected(cdev);
cdev->private->flags.donotify = 0;
+ break;
+ case DEV_STATE_DISCONNECTED:
+ CIO_MSG_EVENT(0, "Disconnected device %04x on subchannel "
+ "%04x\n", cdev->private->dev_id.devno,
+ sch->schid.sch_no);
+ if (!ccw_device_notify(cdev, CIO_NO_PATH))
+ ccw_device_schedule_sch_unregister(cdev);
+ else
+ ccw_device_set_disconnected(cdev);
+ cdev->private->flags.donotify = 0;
+ break;
+ default:
+ break;
}
if (cdev->private->flags.donotify) {
@@ -671,6 +687,10 @@ ccw_device_offline(struct ccw_device *cdev)
ccw_device_done(cdev, DEV_STATE_NOT_OPER);
return 0;
}
+ if (cdev->private->state == DEV_STATE_BOXED) {
+ ccw_device_done(cdev, DEV_STATE_BOXED);
+ return 0;
+ }
if (ccw_device_is_orphan(cdev)) {
ccw_device_done(cdev, DEV_STATE_OFFLINE);
return 0;
@@ -730,11 +750,10 @@ ccw_device_recog_notoper(struct ccw_device *cdev, enum dev_event dev_event)
static void ccw_device_generic_notoper(struct ccw_device *cdev,
enum dev_event dev_event)
{
- struct subchannel *sch;
-
- ccw_device_set_notoper(cdev);
- sch = to_subchannel(cdev->dev.parent);
- css_schedule_eval(sch->schid);
+ if (!ccw_device_notify(cdev, CIO_GONE))
+ ccw_device_schedule_sch_unregister(cdev);
+ else
+ ccw_device_set_disconnected(cdev);
}
/*
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index c20d4790258e..5677b40e4ac0 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -361,7 +361,7 @@ static void rng_type6CPRB_msgX(struct ap_device *ap_dev,
.ToCardLen1 = sizeof *msg - sizeof(msg->hdr),
.FromCardLen1 = sizeof *msg - sizeof(msg->hdr),
};
- static struct CPRBX static_cprbx = {
+ static struct CPRBX local_cprbx = {
.cprb_len = 0x00dc,
.cprb_ver_id = 0x02,
.func_id = {0x54, 0x32},
@@ -372,7 +372,7 @@ static void rng_type6CPRB_msgX(struct ap_device *ap_dev,
msg->hdr = static_type6_hdrX;
msg->hdr.FromCardLen2 = random_number_length,
- msg->cprbx = static_cprbx;
+ msg->cprbx = local_cprbx;
msg->cprbx.rpl_datal = random_number_length,
msg->cprbx.domain = AP_QID_QUEUE(ap_dev->qid);
memcpy(msg->function_code, msg->hdr.function_code, 0x02);
@@ -561,7 +561,8 @@ static int convert_response_ica(struct zcrypt_device *zdev,
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_ica(zdev, reply,
outputdata, outputdatalength);
- /* no break, incorrect cprb version is an unknown response */
+ /* Fall through, no break, incorrect cprb version is an unknown
+ * response */
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
@@ -587,7 +588,8 @@ static int convert_response_xcrb(struct zcrypt_device *zdev,
}
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_xcrb(zdev, reply, xcRB);
- /* no break, incorrect cprb version is an unknown response */
+ /* Fall through, no break, incorrect cprb version is an unknown
+ * response */
default: /* Unknown response type, this should NEVER EVER happen */
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
zdev->online = 0;
@@ -610,7 +612,8 @@ static int convert_response_rng(struct zcrypt_device *zdev,
return -EINVAL;
if (msg->cprbx.cprb_ver_id == 0x02)
return convert_type86_rng(zdev, reply, data);
- /* no break, incorrect cprb version is an unknown response */
+ /* Fall through, no break, incorrect cprb version is an unknown
+ * response */
default: /* Unknown response type, this should NEVER EVER happen */
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 20:48:07 +0000