s390/qeth: stop using struct ccwgroup driver for discipline callbacks
The interface between qeth and its disciplines should not depend on
struct ccwgroup_driver, as a qeth discipline is not a ccwgroup
driver on its own. Instead provide the particular callbacks in struct
qeth_discipline.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 81d19db..5686955 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -711,7 +711,16 @@
qdio_handler_t *input_handler;
qdio_handler_t *output_handler;
int (*recover)(void *ptr);
- struct ccwgroup_driver *ccwgdriver;
+ int (*setup) (struct ccwgroup_device *);
+ void (*remove) (struct ccwgroup_device *);
+ int (*set_online) (struct ccwgroup_device *);
+ int (*set_offline) (struct ccwgroup_device *);
+ void (*shutdown)(struct ccwgroup_device *);
+ int (*prepare) (struct ccwgroup_device *);
+ void (*complete) (struct ccwgroup_device *);
+ int (*freeze)(struct ccwgroup_device *);
+ int (*thaw) (struct ccwgroup_device *);
+ int (*restore)(struct ccwgroup_device *);
};
struct qeth_vlan_vid {
@@ -775,7 +784,7 @@
struct qeth_perf_stats perf_stats;
int read_or_write_problem;
struct qeth_osn_info osn_info;
- struct qeth_discipline discipline;
+ struct qeth_discipline *discipline;
atomic_t force_alloc_skb;
struct service_level qeth_service_level;
struct qdio_ssqd_desc ssqd;
@@ -841,8 +850,8 @@
return card->info.diagass_support & (__u32)cmd;
}
-extern struct ccwgroup_driver qeth_l2_ccwgroup_driver;
-extern struct ccwgroup_driver qeth_l3_ccwgroup_driver;
+extern struct qeth_discipline qeth_l2_discipline;
+extern struct qeth_discipline qeth_l3_discipline;
extern const struct attribute_group *qeth_generic_attr_groups[];
extern const struct attribute_group *qeth_osn_attr_groups[];
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 1a6a313..9423f3d 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1365,7 +1365,7 @@
card->write.state != CH_STATE_UP)
return;
if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) {
- ts = kthread_run(card->discipline.recover, (void *)card,
+ ts = kthread_run(card->discipline->recover, (void *)card,
"qeth_recover");
if (IS_ERR(ts)) {
qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
@@ -4629,7 +4629,7 @@
goto out_free_in_sbals;
}
for (i = 0; i < card->qdio.no_in_queues; ++i)
- queue_start_poll[i] = card->discipline.start_poll;
+ queue_start_poll[i] = card->discipline->start_poll;
qeth_qdio_establish_cq(card, in_sbal_ptrs, queue_start_poll);
@@ -4653,8 +4653,8 @@
init_data.qib_param_field = qib_param_field;
init_data.no_input_qs = card->qdio.no_in_queues;
init_data.no_output_qs = card->qdio.no_out_queues;
- init_data.input_handler = card->discipline.input_handler;
- init_data.output_handler = card->discipline.output_handler;
+ init_data.input_handler = card->discipline->input_handler;
+ init_data.output_handler = card->discipline->output_handler;
init_data.queue_start_poll_array = queue_start_poll;
init_data.int_parm = (unsigned long) card;
init_data.input_sbal_addr_array = (void **) in_sbal_ptrs;
@@ -5039,17 +5039,15 @@
mutex_lock(&qeth_mod_mutex);
switch (discipline) {
case QETH_DISCIPLINE_LAYER3:
- card->discipline.ccwgdriver = try_then_request_module(
- symbol_get(qeth_l3_ccwgroup_driver),
- "qeth_l3");
+ card->discipline = try_then_request_module(
+ symbol_get(qeth_l3_discipline), "qeth_l3");
break;
case QETH_DISCIPLINE_LAYER2:
- card->discipline.ccwgdriver = try_then_request_module(
- symbol_get(qeth_l2_ccwgroup_driver),
- "qeth_l2");
+ card->discipline = try_then_request_module(
+ symbol_get(qeth_l2_discipline), "qeth_l2");
break;
}
- if (!card->discipline.ccwgdriver) {
+ if (!card->discipline) {
dev_err(&card->gdev->dev, "There is no kernel module to "
"support discipline %d\n", discipline);
rc = -EINVAL;
@@ -5061,10 +5059,10 @@
void qeth_core_free_discipline(struct qeth_card *card)
{
if (card->options.layer2)
- symbol_put(qeth_l2_ccwgroup_driver);
+ symbol_put(qeth_l2_discipline);
else
- symbol_put(qeth_l3_ccwgroup_driver);
- card->discipline.ccwgdriver = NULL;
+ symbol_put(qeth_l3_discipline);
+ card->discipline = NULL;
}
static const struct device_type qeth_generic_devtype = {
@@ -5140,7 +5138,7 @@
rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
if (rc)
goto err_dbf;
- rc = card->discipline.ccwgdriver->probe(card->gdev);
+ rc = card->discipline->setup(card->gdev);
if (rc)
goto err_disc;
case QETH_CARD_TYPE_OSD:
@@ -5174,8 +5172,8 @@
QETH_DBF_TEXT(SETUP, 2, "removedv");
- if (card->discipline.ccwgdriver) {
- card->discipline.ccwgdriver->remove(gdev);
+ if (card->discipline) {
+ card->discipline->remove(gdev);
qeth_core_free_discipline(card);
}
@@ -5195,7 +5193,7 @@
int rc = 0;
int def_discipline;
- if (!card->discipline.ccwgdriver) {
+ if (!card->discipline) {
if (card->info.type == QETH_CARD_TYPE_IQD)
def_discipline = QETH_DISCIPLINE_LAYER3;
else
@@ -5203,11 +5201,11 @@
rc = qeth_core_load_discipline(card, def_discipline);
if (rc)
goto err;
- rc = card->discipline.ccwgdriver->probe(card->gdev);
+ rc = card->discipline->setup(card->gdev);
if (rc)
goto err;
}
- rc = card->discipline.ccwgdriver->set_online(gdev);
+ rc = card->discipline->set_online(gdev);
err:
return rc;
}
@@ -5215,58 +5213,52 @@
static int qeth_core_set_offline(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- return card->discipline.ccwgdriver->set_offline(gdev);
+ return card->discipline->set_offline(gdev);
}
static void qeth_core_shutdown(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- if (card->discipline.ccwgdriver &&
- card->discipline.ccwgdriver->shutdown)
- card->discipline.ccwgdriver->shutdown(gdev);
+ if (card->discipline && card->discipline->shutdown)
+ card->discipline->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);
+ if (card->discipline && card->discipline->prepare)
+ return card->discipline->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);
+ if (card->discipline && card->discipline->complete)
+ card->discipline->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);
+ if (card->discipline && card->discipline->freeze)
+ return card->discipline->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);
+ if (card->discipline && card->discipline->thaw)
+ return card->discipline->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);
+ if (card->discipline && card->discipline->restore)
+ return card->discipline->restore(gdev);
return 0;
}
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index a6b49db..f163af5 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -434,8 +434,8 @@
goto out;
else {
card->info.mac_bits = 0;
- if (card->discipline.ccwgdriver) {
- card->discipline.ccwgdriver->remove(card->gdev);
+ if (card->discipline) {
+ card->discipline->remove(card->gdev);
qeth_core_free_discipline(card);
}
}
@@ -444,7 +444,7 @@
if (rc)
goto out;
- rc = card->discipline.ccwgdriver->probe(card->gdev);
+ rc = card->discipline->setup(card->gdev);
out:
mutex_unlock(&card->discipline_mutex);
return rc ? rc : count;
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 0e7c29d..4269865 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -882,12 +882,6 @@
INIT_LIST_HEAD(&card->mc_list);
card->options.layer2 = 1;
card->info.hwtrap = 0;
- card->discipline.start_poll = qeth_qdio_start_poll;
- card->discipline.input_handler = (qdio_handler_t *)
- qeth_qdio_input_handler;
- card->discipline.output_handler = (qdio_handler_t *)
- qeth_qdio_output_handler;
- card->discipline.recover = qeth_l2_recover;
return 0;
}
@@ -1227,8 +1221,12 @@
return rc;
}
-struct ccwgroup_driver qeth_l2_ccwgroup_driver = {
- .probe = qeth_l2_probe_device,
+struct qeth_discipline qeth_l2_discipline = {
+ .start_poll = qeth_qdio_start_poll,
+ .input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
+ .output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
+ .recover = qeth_l2_recover,
+ .setup = qeth_l2_probe_device,
.remove = qeth_l2_remove_device,
.set_online = qeth_l2_set_online,
.set_offline = qeth_l2_set_offline,
@@ -1237,7 +1235,7 @@
.thaw = qeth_l2_pm_resume,
.restore = qeth_l2_pm_resume,
};
-EXPORT_SYMBOL_GPL(qeth_l2_ccwgroup_driver);
+EXPORT_SYMBOL_GPL(qeth_l2_discipline);
static int qeth_osn_send_control_data(struct qeth_card *card, int len,
struct qeth_cmd_buffer *iob)
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index f859216..03535ac 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3376,12 +3376,6 @@
qeth_l3_create_device_attributes(&gdev->dev);
card->options.layer2 = 0;
card->info.hwtrap = 0;
- card->discipline.start_poll = qeth_qdio_start_poll;
- card->discipline.input_handler = (qdio_handler_t *)
- qeth_qdio_input_handler;
- card->discipline.output_handler = (qdio_handler_t *)
- qeth_qdio_output_handler;
- card->discipline.recover = qeth_l3_recover;
return 0;
}
@@ -3656,8 +3650,12 @@
return rc;
}
-struct ccwgroup_driver qeth_l3_ccwgroup_driver = {
- .probe = qeth_l3_probe_device,
+struct qeth_discipline qeth_l3_discipline = {
+ .start_poll = qeth_qdio_start_poll,
+ .input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
+ .output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
+ .recover = qeth_l3_recover,
+ .setup = qeth_l3_probe_device,
.remove = qeth_l3_remove_device,
.set_online = qeth_l3_set_online,
.set_offline = qeth_l3_set_offline,
@@ -3666,7 +3664,7 @@
.thaw = qeth_l3_pm_resume,
.restore = qeth_l3_pm_resume,
};
-EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver);
+EXPORT_SYMBOL_GPL(qeth_l3_discipline);
static int qeth_l3_ip_event(struct notifier_block *this,
unsigned long event, void *ptr)
