diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 82dbe2677fc1..a8b53ed61c1e 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -27,7 +27,11 @@ MODULE_PARM_DESC(queue_depth, "Default queue depth for new SCSI devices"); static bool enable_dif; module_param_named(dif, enable_dif, bool, 0400); -MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support"); +MODULE_PARM_DESC(dif, "Enable DIF data integrity support (default off)"); + +bool zfcp_experimental_dix; +module_param_named(dix, zfcp_experimental_dix, bool, 0400); +MODULE_PARM_DESC(dix, "Enable experimental DIX (data integrity extension) support which implies DIF support (default off)"); static bool allow_lun_scan = true; module_param(allow_lun_scan, bool, 0600); @@ -790,11 +794,11 @@ void zfcp_scsi_set_prot(struct zfcp_adapter *adapter) data_div = atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED; - if (enable_dif && + if ((enable_dif || zfcp_experimental_dix) && adapter->adapter_features & FSF_FEATURE_DIF_PROT_TYPE1) mask |= SHOST_DIF_TYPE1_PROTECTION; - if (enable_dif && data_div && + if (zfcp_experimental_dix && data_div && adapter->adapter_features & FSF_FEATURE_DIX_PROT_TCPIP) { mask |= SHOST_DIX_TYPE1_PROTECTION; scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP); |