From 143a3a735dfb1d6eecd7ef14183f823ff4b06027 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 10 Mar 2020 13:47:30 -0700 Subject: s390/mm: use fallthrough; Convert the various uses of fallthrough comments to fallthrough; Done via script Link: https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe.com/ Signed-off-by: Joe Perches Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik --- arch/s390/mm/fault.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'arch') diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index d56f67745e3e..1bf091bab918 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -852,9 +852,7 @@ void do_secure_storage_access(struct pt_regs *regs) BUG(); break; case VDSO_FAULT: - /* fallthrough */ case GMAP_FAULT: - /* fallthrough */ default: do_fault_error(regs, VM_READ | VM_WRITE, VM_FAULT_BADMAP); WARN_ON_ONCE(1); -- cgit v1.2.3 From 3db1db93e34325e14bb29f8f1d904020c409bea6 Mon Sep 17 00:00:00 2001 From: Julian Wiedmann Date: Fri, 20 Mar 2020 14:00:00 +0100 Subject: s390/qdio: cleanly split alloc and establish All that qdio_allocate() actually uses from the init_data is the cdev, and the number of Input and Output Queues. Have the driver pass those as parameters, and defer the init_data processing into qdio_establish(). This includes writing per-device(!) trace entries, and most of the sanity checks. Signed-off-by: Julian Wiedmann Reviewed-by: Benjamin Block Signed-off-by: Vasily Gorbik --- arch/s390/include/asm/qdio.h | 3 ++- drivers/s390/cio/qdio_debug.c | 16 +---------- drivers/s390/cio/qdio_debug.h | 3 +-- drivers/s390/cio/qdio_main.c | 56 ++++++++++++++++++++++++++++----------- drivers/s390/net/qeth_core_main.c | 3 ++- drivers/s390/scsi/zfcp_qdio.c | 4 +-- 6 files changed, 47 insertions(+), 38 deletions(-) (limited to 'arch') diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index e577f8533009..8a0f4d014680 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -408,7 +408,8 @@ int qdio_alloc_buffers(struct qdio_buffer **buf, unsigned int count); void qdio_free_buffers(struct qdio_buffer **buf, unsigned int count); void qdio_reset_buffers(struct qdio_buffer **buf, unsigned int count); -extern int qdio_allocate(struct qdio_initialize *); +extern int qdio_allocate(struct ccw_device *cdev, unsigned int no_input_qs, + unsigned int no_output_qs); extern int qdio_establish(struct qdio_initialize *); extern int qdio_activate(struct ccw_device *); extern void qdio_release_aob(struct qaob *); diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index 5a3d9ee90a7f..286b044fb027 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -58,25 +58,11 @@ static void qdio_clear_dbf_list(void) mutex_unlock(&qdio_dbf_list_mutex); } -int qdio_allocate_dbf(struct qdio_initialize *init_data, - struct qdio_irq *irq_ptr) +int qdio_allocate_dbf(struct qdio_irq *irq_ptr) { char text[QDIO_DBF_NAME_LEN]; struct qdio_dbf_entry *new_entry; - DBF_EVENT("qfmt:%1d", init_data->q_format); - DBF_HEX(init_data->adapter_name, 8); - DBF_EVENT("qpff%4x", init_data->qib_param_field_format); - DBF_HEX(&init_data->qib_param_field, sizeof(void *)); - DBF_HEX(&init_data->input_slib_elements, sizeof(void *)); - DBF_HEX(&init_data->output_slib_elements, sizeof(void *)); - DBF_EVENT("niq:%1d noq:%1d", init_data->no_input_qs, - init_data->no_output_qs); - DBF_HEX(&init_data->input_handler, sizeof(void *)); - DBF_HEX(&init_data->output_handler, sizeof(void *)); - DBF_HEX(&init_data->int_parm, sizeof(long)); - DBF_HEX(&init_data->input_sbal_addr_array, sizeof(void *)); - DBF_HEX(&init_data->output_sbal_addr_array, sizeof(void *)); DBF_EVENT("irq:%8lx", (unsigned long)irq_ptr); /* allocate trace view for the interface */ diff --git a/drivers/s390/cio/qdio_debug.h b/drivers/s390/cio/qdio_debug.h index 122450ba6b90..0dfba085f360 100644 --- a/drivers/s390/cio/qdio_debug.h +++ b/drivers/s390/cio/qdio_debug.h @@ -64,8 +64,7 @@ static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr, debug_event(dev->debug_area, level, addr, len); } -int qdio_allocate_dbf(struct qdio_initialize *init_data, - struct qdio_irq *irq_ptr); +int qdio_allocate_dbf(struct qdio_irq *irq_ptr); void qdio_setup_debug_entries(struct qdio_irq *irq_ptr); void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr); int qdio_debug_init(void); diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index c890848064fe..bf617b455428 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1220,27 +1220,21 @@ EXPORT_SYMBOL_GPL(qdio_free); /** * qdio_allocate - allocate qdio queues and associated data - * @init_data: initialization data + * @cdev: associated ccw device + * @no_input_qs: allocate this number of Input Queues + * @no_output_qs: allocate this number of Output Queues */ -int qdio_allocate(struct qdio_initialize *init_data) +int qdio_allocate(struct ccw_device *cdev, unsigned int no_input_qs, + unsigned int no_output_qs) { - struct ccw_device *cdev = init_data->cdev; struct subchannel_id schid; struct qdio_irq *irq_ptr; ccw_device_get_schid(cdev, &schid); DBF_EVENT("qallocate:%4x", schid.sch_no); - if ((init_data->no_input_qs && !init_data->input_handler) || - (init_data->no_output_qs && !init_data->output_handler)) - return -EINVAL; - - if ((init_data->no_input_qs > QDIO_MAX_QUEUES_PER_IRQ) || - (init_data->no_output_qs > QDIO_MAX_QUEUES_PER_IRQ)) - return -EINVAL; - - if ((!init_data->input_sbal_addr_array) || - (!init_data->output_sbal_addr_array)) + if (no_input_qs > QDIO_MAX_QUEUES_PER_IRQ || + no_output_qs > QDIO_MAX_QUEUES_PER_IRQ) return -EINVAL; /* irq_ptr must be in GFP_DMA since it contains ccw1.cda */ @@ -1250,9 +1244,12 @@ int qdio_allocate(struct qdio_initialize *init_data) irq_ptr->cdev = cdev; mutex_init(&irq_ptr->setup_mutex); - if (qdio_allocate_dbf(init_data, irq_ptr)) + if (qdio_allocate_dbf(irq_ptr)) goto out_rel; + DBF_DEV_EVENT(DBF_ERR, irq_ptr, "alloc niq:%1u noq:%1u", no_input_qs, + no_output_qs); + /* * Allocate a page for the chsc calls in qdio_establish. * Must be pre-allocated since a zfcp recovery will call @@ -1268,8 +1265,7 @@ int qdio_allocate(struct qdio_initialize *init_data) if (!irq_ptr->qdr) goto out_rel; - if (qdio_allocate_qs(irq_ptr, init_data->no_input_qs, - init_data->no_output_qs)) + if (qdio_allocate_qs(irq_ptr, no_input_qs, no_output_qs)) goto out_rel; INIT_LIST_HEAD(&irq_ptr->entry); @@ -1305,6 +1301,25 @@ static void qdio_detect_hsicq(struct qdio_irq *irq_ptr) DBF_EVENT("use_cq:%d", use_cq); } +static void qdio_trace_init_data(struct qdio_irq *irq, + struct qdio_initialize *data) +{ + DBF_DEV_EVENT(DBF_ERR, irq, "qfmt:%1u", data->q_format); + DBF_DEV_HEX(irq, data->adapter_name, 8, DBF_ERR); + DBF_DEV_EVENT(DBF_ERR, irq, "qpff%4x", data->qib_param_field_format); + DBF_DEV_HEX(irq, &data->qib_param_field, sizeof(void *), DBF_ERR); + DBF_DEV_HEX(irq, &data->input_slib_elements, sizeof(void *), DBF_ERR); + DBF_DEV_HEX(irq, &data->output_slib_elements, sizeof(void *), DBF_ERR); + DBF_DEV_EVENT(DBF_ERR, irq, "niq:%1u noq:%1u", data->no_input_qs, + data->no_output_qs); + DBF_DEV_HEX(irq, &data->input_handler, sizeof(void *), DBF_ERR); + DBF_DEV_HEX(irq, &data->output_handler, sizeof(void *), DBF_ERR); + DBF_DEV_HEX(irq, &data->int_parm, sizeof(long), DBF_ERR); + DBF_DEV_HEX(irq, &data->input_sbal_addr_array, sizeof(void *), DBF_ERR); + DBF_DEV_HEX(irq, &data->output_sbal_addr_array, sizeof(void *), + DBF_ERR); +} + /** * qdio_establish - establish queues on a qdio subchannel * @init_data: initialization data @@ -1322,7 +1337,16 @@ int qdio_establish(struct qdio_initialize *init_data) if (!irq_ptr) return -ENODEV; + if ((init_data->no_input_qs && !init_data->input_handler) || + (init_data->no_output_qs && !init_data->output_handler)) + return -EINVAL; + + if (!init_data->input_sbal_addr_array || + !init_data->output_sbal_addr_array) + return -EINVAL; + mutex_lock(&irq_ptr->setup_mutex); + qdio_trace_init_data(irq_ptr, init_data); qdio_setup_irq(irq_ptr, init_data); rc = qdio_establish_thinint(irq_ptr); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 24fd17b347fe..19b2773fc2d3 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -4893,7 +4893,8 @@ static int qeth_qdio_establish(struct qeth_card *card) if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) { - rc = qdio_allocate(&init_data); + rc = qdio_allocate(CARD_DDEV(card), init_data.no_input_qs, + init_data.no_output_qs); if (rc) { atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); goto out; diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index f0d6296e673b..1f693bb82312 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -308,7 +308,6 @@ static void zfcp_qdio_setup_init_data(struct qdio_initialize *id, */ static int zfcp_qdio_allocate(struct zfcp_qdio *qdio) { - struct qdio_initialize init_data; int ret; ret = qdio_alloc_buffers(qdio->req_q, QDIO_MAX_BUFFERS_PER_Q); @@ -319,10 +318,9 @@ static int zfcp_qdio_allocate(struct zfcp_qdio *qdio) if (ret) goto free_req_q; - zfcp_qdio_setup_init_data(&init_data, qdio); init_waitqueue_head(&qdio->req_q_wq); - ret = qdio_allocate(&init_data); + ret = qdio_allocate(qdio->adapter->ccw_device, 1, 1); if (ret) goto free_res_q; -- cgit v1.2.3 From d8564e19da8c8b31c7fc160942f95b113f554211 Mon Sep 17 00:00:00 2001 From: Julian Wiedmann Date: Fri, 20 Mar 2020 14:00:00 +0100 Subject: s390/qdio: allow for non-contiguous SBAL array in init_data Upper-layer drivers allocate their SBALs by calling qdio_alloc_buffers() for each individual queue. But when later passing the SBAL addresses to qdio_establish(), they need to be in a single array of pointers. So if the driver uses multiple Input or Output queues, it needs to allocate a temporary array just to present all its SBAL pointers in this layout. This patch slightly changes the format of the QDIO initialization data, so that drivers can pass a per-queue array where each element points to a queue's SBAL array. zfcp doesn't use multiple queues, so the impact there is trivial. For qeth this brings a nice reduction in complexity, and removes a page-sized allocation. Signed-off-by: Julian Wiedmann Reviewed-by: Benjamin Block Signed-off-by: Vasily Gorbik --- arch/s390/include/asm/qdio.h | 8 +++--- drivers/s390/cio/qdio_setup.c | 10 +++---- drivers/s390/net/qeth_core.h | 5 ++-- drivers/s390/net/qeth_core_main.c | 59 +++++++-------------------------------- drivers/s390/scsi/zfcp_qdio.c | 6 ++-- 5 files changed, 25 insertions(+), 63 deletions(-) (limited to 'arch') diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 8a0f4d014680..2b6292ed0fb6 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -341,8 +341,8 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * @irq_poll: Data IRQ polling handler (NULL when not supported) * @scan_threshold: # of in-use buffers that triggers scan on output queue * @int_parm: interruption parameter - * @input_sbal_addr_array: address of no_input_qs * 128 pointers - * @output_sbal_addr_array: address of no_output_qs * 128 pointers + * @input_sbal_addr_array: per-queue array, each element points to 128 SBALs + * @output_sbal_addr_array: per-queue array, each element points to 128 SBALs * @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL) */ struct qdio_initialize { @@ -362,8 +362,8 @@ struct qdio_initialize { void (*irq_poll)(struct ccw_device *cdev, unsigned long data); unsigned int scan_threshold; unsigned long int_parm; - struct qdio_buffer **input_sbal_addr_array; - struct qdio_buffer **output_sbal_addr_array; + struct qdio_buffer ***input_sbal_addr_array; + struct qdio_buffer ***output_sbal_addr_array; struct qdio_outbuf_state *output_sbal_state_array; }; diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index bbbefc9f9e04..3083edd61f0c 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -213,8 +213,6 @@ static void setup_queues(struct qdio_irq *irq_ptr, struct qdio_initialize *qdio_init) { struct qdio_q *q; - struct qdio_buffer **input_sbal_array = qdio_init->input_sbal_addr_array; - struct qdio_buffer **output_sbal_array = qdio_init->output_sbal_addr_array; struct qdio_outbuf_state *output_sbal_state_array = qdio_init->output_sbal_state_array; int i; @@ -225,8 +223,8 @@ static void setup_queues(struct qdio_irq *irq_ptr, q->is_input_q = 1; - setup_storage_lists(q, irq_ptr, input_sbal_array, i); - input_sbal_array += QDIO_MAX_BUFFERS_PER_Q; + setup_storage_lists(q, irq_ptr, + qdio_init->input_sbal_addr_array[i], i); if (is_thinint_irq(irq_ptr)) { tasklet_init(&q->tasklet, tiqdio_inbound_processing, @@ -245,8 +243,8 @@ static void setup_queues(struct qdio_irq *irq_ptr, output_sbal_state_array += QDIO_MAX_BUFFERS_PER_Q; q->is_input_q = 0; - setup_storage_lists(q, irq_ptr, output_sbal_array, i); - output_sbal_array += QDIO_MAX_BUFFERS_PER_Q; + setup_storage_lists(q, irq_ptr, + qdio_init->output_sbal_addr_array[i], i); tasklet_init(&q->tasklet, qdio_outbound_processing, (unsigned long) q); diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index acda230323d5..e0b26310ecab 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -181,11 +181,12 @@ struct qeth_vnicc_info { /*****************************************************************************/ /* QDIO queue and buffer handling */ /*****************************************************************************/ -#define QETH_MAX_QUEUES 4 +#define QETH_MAX_OUT_QUEUES 4 #define QETH_IQD_MIN_TXQ 2 /* One for ucast, one for mcast. */ #define QETH_IQD_MCAST_TXQ 0 #define QETH_IQD_MIN_UCAST_TXQ 1 +#define QETH_MAX_IN_QUEUES 2 #define QETH_RX_COPYBREAK (PAGE_SIZE >> 1) #define QETH_IN_BUF_SIZE_DEFAULT 65536 #define QETH_IN_BUF_COUNT_DEFAULT 64 @@ -539,7 +540,7 @@ struct qeth_qdio_info { /* output */ int no_out_queues; - struct qeth_qdio_out_q *out_qs[QETH_MAX_QUEUES]; + struct qeth_qdio_out_q *out_qs[QETH_MAX_OUT_QUEUES]; struct qdio_outbuf_state *out_bufstates; /* priority queueing */ diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 19b2773fc2d3..4f90f11942b1 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -4812,28 +4812,13 @@ out: return; } -static void qeth_qdio_establish_cq(struct qeth_card *card, - struct qdio_buffer **in_sbal_ptrs) -{ - int i; - - if (card->options.cq == QETH_CQ_ENABLED) { - int offset = QDIO_MAX_BUFFERS_PER_Q * - (card->qdio.no_in_queues - 1); - - for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; i++) - in_sbal_ptrs[offset + i] = - card->qdio.c_q->bufs[i].buffer; - } -} - static int qeth_qdio_establish(struct qeth_card *card) { + struct qdio_buffer **out_sbal_ptrs[QETH_MAX_OUT_QUEUES]; + struct qdio_buffer **in_sbal_ptrs[QETH_MAX_IN_QUEUES]; struct qdio_initialize init_data; char *qib_param_field; - struct qdio_buffer **in_sbal_ptrs; - struct qdio_buffer **out_sbal_ptrs; - int i, j, k; + unsigned int i; int rc = 0; QETH_CARD_TEXT(card, 2, "qdioest"); @@ -4847,32 +4832,12 @@ static int qeth_qdio_establish(struct qeth_card *card) qeth_create_qib_param_field(card, qib_param_field); qeth_create_qib_param_field_blkt(card, qib_param_field); - in_sbal_ptrs = kcalloc(card->qdio.no_in_queues * QDIO_MAX_BUFFERS_PER_Q, - sizeof(void *), - GFP_KERNEL); - if (!in_sbal_ptrs) { - rc = -ENOMEM; - goto out_free_qib_param; - } - - for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; i++) - in_sbal_ptrs[i] = card->qdio.in_q->bufs[i].buffer; - - qeth_qdio_establish_cq(card, in_sbal_ptrs); - - out_sbal_ptrs = - kcalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q, - sizeof(void *), - GFP_KERNEL); - if (!out_sbal_ptrs) { - rc = -ENOMEM; - goto out_free_in_sbals; - } + in_sbal_ptrs[0] = card->qdio.in_q->qdio_bufs; + if (card->options.cq == QETH_CQ_ENABLED) + in_sbal_ptrs[1] = card->qdio.c_q->qdio_bufs; - for (i = 0, k = 0; i < card->qdio.no_out_queues; ++i) - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++, k++) - out_sbal_ptrs[k] = - card->qdio.out_qs[i]->bufs[j]->buffer; + for (i = 0; i < card->qdio.no_out_queues; i++) + out_sbal_ptrs[i] = card->qdio.out_qs[i]->qdio_bufs; memset(&init_data, 0, sizeof(struct qdio_initialize)); init_data.cdev = CARD_DDEV(card); @@ -4917,10 +4882,6 @@ static int qeth_qdio_establish(struct qeth_card *card) break; } out: - kfree(out_sbal_ptrs); -out_free_in_sbals: - kfree(in_sbal_ptrs); -out_free_qib_param: kfree(qib_param_field); out_free_nothing: return rc; @@ -5986,7 +5947,7 @@ static struct net_device *qeth_alloc_netdev(struct qeth_card *card) switch (card->info.type) { case QETH_CARD_TYPE_IQD: dev = alloc_netdev_mqs(sizeof(*priv), "hsi%d", NET_NAME_UNKNOWN, - ether_setup, QETH_MAX_QUEUES, 1); + ether_setup, QETH_MAX_OUT_QUEUES, 1); break; case QETH_CARD_TYPE_OSM: dev = alloc_etherdev(sizeof(*priv)); @@ -5996,7 +5957,7 @@ static struct net_device *qeth_alloc_netdev(struct qeth_card *card) ether_setup); break; default: - dev = alloc_etherdev_mqs(sizeof(*priv), QETH_MAX_QUEUES, 1); + dev = alloc_etherdev_mqs(sizeof(*priv), QETH_MAX_OUT_QUEUES, 1); } if (!dev) diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index c9172047b194..531e2a985d66 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -349,6 +349,8 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio) */ int zfcp_qdio_open(struct zfcp_qdio *qdio) { + struct qdio_buffer **input_sbals[1] = {qdio->res_q}; + struct qdio_buffer **output_sbals[1] = {qdio->req_q}; struct qdio_buffer_element *sbale; struct qdio_initialize init_data = {0}; struct zfcp_adapter *adapter = qdio->adapter; @@ -374,8 +376,8 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) init_data.input_handler = zfcp_qdio_int_resp; init_data.output_handler = zfcp_qdio_int_req; init_data.int_parm = (unsigned long) qdio; - init_data.input_sbal_addr_array = qdio->res_q; - init_data.output_sbal_addr_array = qdio->req_q; + init_data.input_sbal_addr_array = input_sbals; + init_data.output_sbal_addr_array = output_sbals; init_data.scan_threshold = QDIO_MAX_BUFFERS_PER_Q - ZFCP_QDIO_MAX_SBALS_PER_REQ * 2; -- cgit v1.2.3 From 1da1092dbf61a0c0aab02048232f5e9fcab15861 Mon Sep 17 00:00:00 2001 From: Julian Wiedmann Date: Fri, 20 Mar 2020 14:00:00 +0100 Subject: s390/qdio: remove cdev from init_data It's no longer needed. Signed-off-by: Julian Wiedmann Reviewed-by: Benjamin Block Signed-off-by: Vasily Gorbik --- arch/s390/include/asm/qdio.h | 5 ++--- drivers/s390/cio/qdio_main.c | 5 +++-- drivers/s390/net/qeth_core_main.c | 3 +-- drivers/s390/scsi/zfcp_qdio.c | 5 ++--- 4 files changed, 8 insertions(+), 10 deletions(-) (limited to 'arch') diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 2b6292ed0fb6..86a3796e9be8 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -325,7 +325,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, /** * struct qdio_initialize - qdio initialization data - * @cdev: associated ccw device * @q_format: queue format * @qdr_ac: feature flags to set * @adapter_name: name for the adapter @@ -346,7 +345,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL) */ struct qdio_initialize { - struct ccw_device *cdev; unsigned char q_format; unsigned char qdr_ac; unsigned char adapter_name[8]; @@ -410,7 +408,8 @@ void qdio_reset_buffers(struct qdio_buffer **buf, unsigned int count); extern int qdio_allocate(struct ccw_device *cdev, unsigned int no_input_qs, unsigned int no_output_qs); -extern int qdio_establish(struct qdio_initialize *); +extern int qdio_establish(struct ccw_device *cdev, + struct qdio_initialize *init_data); extern int qdio_activate(struct ccw_device *); extern void qdio_release_aob(struct qaob *); extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int, diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index bf617b455428..9d6e51bcd072 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1322,11 +1322,12 @@ static void qdio_trace_init_data(struct qdio_irq *irq, /** * qdio_establish - establish queues on a qdio subchannel + * @cdev: associated ccw device * @init_data: initialization data */ -int qdio_establish(struct qdio_initialize *init_data) +int qdio_establish(struct ccw_device *cdev, + struct qdio_initialize *init_data) { - struct ccw_device *cdev = init_data->cdev; struct qdio_irq *irq_ptr = cdev->private->qdio_data; struct subchannel_id schid; int rc; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 4f90f11942b1..f7689461c242 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -4840,7 +4840,6 @@ static int qeth_qdio_establish(struct qeth_card *card) out_sbal_ptrs[i] = card->qdio.out_qs[i]->qdio_bufs; memset(&init_data, 0, sizeof(struct qdio_initialize)); - init_data.cdev = CARD_DDEV(card); init_data.q_format = IS_IQD(card) ? QDIO_IQDIO_QFMT : QDIO_QETH_QFMT; init_data.qib_param_field_format = 0; @@ -4864,7 +4863,7 @@ static int qeth_qdio_establish(struct qeth_card *card) atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); goto out; } - rc = qdio_establish(&init_data); + rc = qdio_establish(CARD_DDEV(card), &init_data); if (rc) { atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); qdio_free(CARD_DDEV(card)); diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 531e2a985d66..26702b56a7ab 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -364,7 +364,6 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) atomic_andnot(ZFCP_STATUS_ADAPTER_SIOSL_ISSUED, &qdio->adapter->status); - init_data.cdev = cdev; init_data.q_format = QDIO_ZFCP_QFMT; memcpy(init_data.adapter_name, dev_name(&cdev->dev), 8); ASCEBC(init_data.adapter_name, 8); @@ -381,10 +380,10 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) init_data.scan_threshold = QDIO_MAX_BUFFERS_PER_Q - ZFCP_QDIO_MAX_SBALS_PER_REQ * 2; - if (qdio_establish(&init_data)) + if (qdio_establish(cdev, &init_data)) goto failed_establish; - if (qdio_get_ssqd_desc(init_data.cdev, &ssqd)) + if (qdio_get_ssqd_desc(cdev, &ssqd)) goto failed_qdio; if (ssqd.qdioac2 & CHSC_AC2_DATA_DIV_ENABLED) -- cgit v1.2.3