diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index bdaad5535e2..9cd789b8acd 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -1748,4 +1748,25 @@ zfcp_handle_els_rjt(u32 sq, struct zfcp_ls_rjt_par *rjt_par) return ret; } +/** + * zfcp_plogi_evaluate - evaluate PLOGI playload and copy important fields + * into zfcp_port structure + * @port: zfcp_port structure + * @plogi: plogi payload + */ +void +zfcp_plogi_evaluate(struct zfcp_port *port, struct fsf_plogi *plogi) +{ + port->maxframe_size = plogi->serv_param.common_serv_param[7] | + ((plogi->serv_param.common_serv_param[6] & 0x0F) << 8); + if (plogi->serv_param.class1_serv_param[0] & 0x80) + port->supported_classes |= FC_COS_CLASS1; + if (plogi->serv_param.class2_serv_param[0] & 0x80) + port->supported_classes |= FC_COS_CLASS2; + if (plogi->serv_param.class3_serv_param[0] & 0x80) + port->supported_classes |= FC_COS_CLASS3; + if (plogi->serv_param.class4_serv_param[0] & 0x80) + port->supported_classes |= FC_COS_CLASS4; +} + #undef ZFCP_LOG_AREA |