diff options
author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2012-05-15 18:02:21 +0200 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-05-16 14:42:48 +0200 |
commit | c041f2d487654eb2f981f517b216cf1efdf3cdf2 (patch) | |
tree | ae9906a72614003b2d6b5725de37718d9ca296d8 /drivers | |
parent | b7169c515bbdc139fadee5a98a866c5dc5bb98af (diff) | |
download | linux-stable-c041f2d487654eb2f981f517b216cf1efdf3cdf2.tar.gz linux-stable-c041f2d487654eb2f981f517b216cf1efdf3cdf2.tar.bz2 linux-stable-c041f2d487654eb2f981f517b216cf1efdf3cdf2.zip |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/s390/net/qeth_core.h | 17 | ||||
-rw-r--r-- | drivers/s390/net/qeth_core_main.c | 70 | ||||
-rw-r--r-- | drivers/s390/net/qeth_core_sys.c | 6 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 16 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 16 |
5 files changed, 61 insertions, 64 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 81d19db805ba..5686955e62dd 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -711,7 +711,16 @@ struct qeth_discipline { 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_card { 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 @@ static inline int qeth_is_diagass_supported(struct qeth_card *card, 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 1a6a3132cb4b..9423f3d7e20f 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1365,7 +1365,7 @@ static void qeth_start_kernel_thread(struct work_struct *work) 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 @@ static int qeth_qdio_establish(struct qeth_card *card) 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 @@ static int qeth_qdio_establish(struct qeth_card *card) 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 @@ int qeth_core_load_discipline(struct qeth_card *card, 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 @@ int qeth_core_load_discipline(struct qeth_card *card, 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 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) 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 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev) 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 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev) 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 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev) 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 @@ err: 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 a6b49db9f2d2..f163af575c48 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -434,8 +434,8 @@ static ssize_t qeth_dev_layer2_store(struct device *dev, 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 @@ static ssize_t qeth_dev_layer2_store(struct device *dev, 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 0e7c29d1d7ef..426986518e96 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -882,12 +882,6 @@ static int qeth_l2_probe_device(struct ccwgroup_device *gdev) 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 @@ out: 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 @@ struct ccwgroup_driver qeth_l2_ccwgroup_driver = { .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 f85921607686..03535acb7afb 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -3376,12 +3376,6 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) 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 @@ out: 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 @@ struct ccwgroup_driver qeth_l3_ccwgroup_driver = { .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) |