1 /* 2 * QLogic iSCSI Offload Driver 3 * Copyright (c) 2016 Cavium Inc. 4 * 5 * This software is available under the terms of the GNU General Public License 6 * (GPL) Version 2, available from the file COPYING in the main directory of 7 * this source tree. 8 */ 9 10 #include "qedi.h" 11 #include "qedi_gbl.h" 12 #include "qedi_iscsi.h" 13 #include "qedi_dbg.h" 14 15 static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev) 16 { 17 struct Scsi_Host *shost = class_to_shost(dev); 18 19 return iscsi_host_priv(shost); 20 } 21 22 static ssize_t qedi_show_port_state(struct device *dev, 23 struct device_attribute *attr, 24 char *buf) 25 { 26 struct qedi_ctx *qedi = qedi_dev_to_hba(dev); 27 28 if (atomic_read(&qedi->link_state) == QEDI_LINK_UP) 29 return sprintf(buf, "Online\n"); 30 else 31 return sprintf(buf, "Linkdown\n"); 32 } 33 34 static ssize_t qedi_show_speed(struct device *dev, 35 struct device_attribute *attr, char *buf) 36 { 37 struct qedi_ctx *qedi = qedi_dev_to_hba(dev); 38 struct qed_link_output if_link; 39 40 qedi_ops->common->get_link(qedi->cdev, &if_link); 41 42 return sprintf(buf, "%d Gbit\n", if_link.speed / 1000); 43 } 44 45 static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL); 46 static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL); 47 48 struct device_attribute *qedi_shost_attrs[] = { 49 &dev_attr_port_state, 50 &dev_attr_speed, 51 NULL 52 }; 53