From: Frank Blaschka <frank.blaschka@xxxxxxxxxx>
Signed-off-by: Frank Blaschka <frank.blaschka@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---
drivers/s390/net/qeth_core_main.c | 51 ++++++++++++++++++++++++++++++++++++-
drivers/s390/net/qeth_l2_main.c | 52 +++++++++++++++++++++++++++++++++++++-
drivers/s390/net/qeth_l3_main.c | 52 +++++++++++++++++++++++++++++++++++++-
3 files changed, 152 insertions(+), 3 deletions(-)
Index: linux-2.6/drivers/s390/net/qeth_core_main.c
===================================================================
--- linux-2.6.orig/drivers/s390/net/qeth_core_main.c
+++ linux-2.6/drivers/s390/net/qeth_core_main.c
@@ -1,7 +1,7 @@
/*
* drivers/s390/net/qeth_core_main.c
*
- * Copyright IBM Corp. 2007
+ * Copyright IBM Corp. 2007, 2009
* Author(s): Utz Bacher <utz.bacher@xxxxxxxxxx>,
* Frank Pavlic <fpavlic@xxxxxxxxxx>,
* Thomas Spatzier <tspat@xxxxxxxxxx>,
@@ -4192,6 +4192,50 @@ static void qeth_core_shutdown(struct cc
card->discipline.ccwgdriver->shutdown(gdev);
}
+static int qeth_core_prepare(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if (card->discipline.ccwgdriver &&
+ card->discipline.ccwgdriver->prepare)
+ return card->discipline.ccwgdriver->prepare(gdev);
+ return 0;
+}
+
+static void qeth_core_complete(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if (card->discipline.ccwgdriver &&
+ card->discipline.ccwgdriver->complete)
+ card->discipline.ccwgdriver->complete(gdev);
+}
+
+static int qeth_core_freeze(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if (card->discipline.ccwgdriver &&
+ card->discipline.ccwgdriver->freeze)
+ return card->discipline.ccwgdriver->freeze(gdev);
+ return 0;
+}
+
+static int qeth_core_thaw(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if (card->discipline.ccwgdriver &&
+ card->discipline.ccwgdriver->thaw)
+ return card->discipline.ccwgdriver->thaw(gdev);
+ return 0;
+}
+
+static int qeth_core_restore(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ if (card->discipline.ccwgdriver &&
+ card->discipline.ccwgdriver->restore)
+ return card->discipline.ccwgdriver->restore(gdev);
+ return 0;
+}
+
static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
.owner = THIS_MODULE,
.name = "qeth",
@@ -4201,6 +4245,11 @@ static struct ccwgroup_driver qeth_core_
.set_online = qeth_core_set_online,
.set_offline = qeth_core_set_offline,
.shutdown = qeth_core_shutdown,
+ .prepare = qeth_core_prepare,
+ .complete = qeth_core_complete,
+ .freeze = qeth_core_freeze,
+ .thaw = qeth_core_thaw,
+ .restore = qeth_core_restore,
};
static ssize_t
Index: linux-2.6/drivers/s390/net/qeth_l3_main.c
===================================================================
--- linux-2.6.orig/drivers/s390/net/qeth_l3_main.c
+++ linux-2.6/drivers/s390/net/qeth_l3_main.c
@@ -1,7 +1,7 @@
/*
* drivers/s390/net/qeth_l3_main.c
*
- * Copyright IBM Corp. 2007
+ * Copyright IBM Corp. 2007, 2009
* Author(s): Utz Bacher <utz.bacher@xxxxxxxxxx>,
* Frank Pavlic <fpavlic@xxxxxxxxxx>,
* Thomas Spatzier <tspat@xxxxxxxxxx>,
@@ -3274,12 +3274,62 @@ static void qeth_l3_shutdown(struct ccwg
qeth_clear_qdio_buffers(card);
}
+static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+
+ if (card->dev)
+ netif_device_detach(card->dev);
+ qeth_set_allowed_threads(card, 0, 1);
+ wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
+ if (gdev->state == CCWGROUP_OFFLINE)
+ return 0;
+ if (card->state == CARD_STATE_UP) {
+ card->use_hard_stop = 1;
+ __qeth_l3_set_offline(card->gdev, 1);
+ } else
+ __qeth_l3_set_offline(card->gdev, 0);
+ return 0;
+}
+
+static int qeth_l3_pm_resume(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ int rc = 0;
+
+ if (gdev->state == CCWGROUP_OFFLINE)
+ goto out;
+
+ if (card->state == CARD_STATE_RECOVER) {
+ rc = __qeth_l3_set_online(card->gdev, 1);
+ if (rc) {
+ if (card->dev) {
+ rtnl_lock();
+ dev_close(card->dev);
+ rtnl_unlock();
+ }
+ }
+ } else
+ rc = __qeth_l3_set_online(card->gdev, 0);
+out:
+ qeth_set_allowed_threads(card, 0xffffffff, 0);
+ if (card->dev)
+ netif_device_attach(card->dev);
+ if (rc)
+ dev_warn(&card->gdev->dev, "The qeth device driver "
+ "failed to recover an error on the device\n");
+ return rc;
+}
+
struct ccwgroup_driver qeth_l3_ccwgroup_driver = {
.probe = qeth_l3_probe_device,
.remove = qeth_l3_remove_device,
.set_online = qeth_l3_set_online,
.set_offline = qeth_l3_set_offline,
.shutdown = qeth_l3_shutdown,
+ .freeze = qeth_l3_pm_suspend,
+ .thaw = qeth_l3_pm_resume,
+ .restore = qeth_l3_pm_resume,
};
EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver);
Index: linux-2.6/drivers/s390/net/qeth_l2_main.c
===================================================================
--- linux-2.6.orig/drivers/s390/net/qeth_l2_main.c
+++ linux-2.6/drivers/s390/net/qeth_l2_main.c
@@ -1,7 +1,7 @@
/*
* drivers/s390/net/qeth_l2_main.c
*
- * Copyright IBM Corp. 2007
+ * Copyright IBM Corp. 2007, 2009
* Author(s): Utz Bacher <utz.bacher@xxxxxxxxxx>,
* Frank Pavlic <fpavlic@xxxxxxxxxx>,
* Thomas Spatzier <tspat@xxxxxxxxxx>,
@@ -1113,12 +1113,62 @@ static void qeth_l2_shutdown(struct ccwg
qeth_clear_qdio_buffers(card);
}
+static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+
+ if (card->dev)
+ netif_device_detach(card->dev);
+ qeth_set_allowed_threads(card, 0, 1);
+ wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
+ if (gdev->state == CCWGROUP_OFFLINE)
+ return 0;
+ if (card->state == CARD_STATE_UP) {
+ card->use_hard_stop = 1;
+ __qeth_l2_set_offline(card->gdev, 1);
+ } else
+ __qeth_l2_set_offline(card->gdev, 0);
+ return 0;
+}
+
+static int qeth_l2_pm_resume(struct ccwgroup_device *gdev)
+{
+ struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ int rc = 0;
+
+ if (gdev->state == CCWGROUP_OFFLINE)
+ goto out;
+
+ if (card->state == CARD_STATE_RECOVER) {
+ rc = __qeth_l2_set_online(card->gdev, 1);
+ if (rc) {
+ if (card->dev) {
+ rtnl_lock();
+ dev_close(card->dev);
+ rtnl_unlock();
+ }
+ }
+ } else
+ rc = __qeth_l2_set_online(card->gdev, 0);
+out:
+ qeth_set_allowed_threads(card, 0xffffffff, 0);
+ if (card->dev)
+ netif_device_attach(card->dev);
+ if (rc)
+ dev_warn(&card->gdev->dev, "The qeth device driver "
+ "failed to recover an error on the device\n");
+ return rc;
+}
+
struct ccwgroup_driver qeth_l2_ccwgroup_driver = {
.probe = qeth_l2_probe_device,
.remove = qeth_l2_remove_device,
.set_online = qeth_l2_set_online,
.set_offline = qeth_l2_set_offline,
.shutdown = qeth_l2_shutdown,
+ .freeze = qeth_l2_pm_suspend,
+ .thaw = qeth_l2_pm_resume,
+ .restore = qeth_l2_pm_resume,
};
EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver);
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
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