diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_qdio.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_qdio.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index a638278c602..c4559b29beb 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -283,6 +283,7 @@ static void zfcp_qdio_setup_init_data(struct qdio_initialize *id, id->q_format = QDIO_ZFCP_QFMT; memcpy(id->adapter_name, dev_name(&id->cdev->dev), 8); ASCEBC(id->adapter_name, 8); + id->qib_rflags = QIB_RFLAGS_ENABLE_DATA_DIV; id->qib_param_field_format = 0; id->qib_param_field = NULL; id->input_slib_elements = NULL; @@ -294,8 +295,8 @@ static void zfcp_qdio_setup_init_data(struct qdio_initialize *id, id->int_parm = (unsigned long) qdio; id->input_sbal_addr_array = (void **) (qdio->res_q); id->output_sbal_addr_array = (void **) (qdio->req_q); - } + /** * zfcp_qdio_allocate - allocate queue memory and initialize QDIO data * @adapter: pointer to struct zfcp_adapter @@ -358,6 +359,7 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) struct qdio_initialize init_data; struct zfcp_adapter *adapter = qdio->adapter; struct ccw_device *cdev = adapter->ccw_device; + struct qdio_ssqd_desc ssqd; int cc; if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP) @@ -368,6 +370,13 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) if (qdio_establish(&init_data)) goto failed_establish; + if (qdio_get_ssqd_desc(init_data.cdev, &ssqd)) + goto failed_qdio; + + if (ssqd.qdioac2 & CHSC_AC2_DATA_DIV_ENABLED) + atomic_set_mask(ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED, + &qdio->adapter->status); + if (qdio_activate(cdev)) goto failed_qdio; |