1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic iSCSI Offload Driver 4 * Copyright (c) 2016 Cavium Inc. 5 */ 6 7 #include "qedi.h" 8 #include "qedi_gbl.h" 9 #include "qedi_iscsi.h" 10 #include "qedi_dbg.h" 11 12 static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev) 13 { 14 struct Scsi_Host *shost = class_to_shost(dev); 15 16 return iscsi_host_priv(shost); 17 } 18 19 static ssize_t qedi_show_port_state(struct device *dev, 20 struct device_attribute *attr, 21 char *buf) 22 { 23 struct qedi_ctx *qedi = qedi_dev_to_hba(dev); 24 25 if (atomic_read(&qedi->link_state) == QEDI_LINK_UP) 26 return sprintf(buf, "Online\n"); 27 else 28 return sprintf(buf, "Linkdown\n"); 29 } 30 31 static ssize_t qedi_show_speed(struct device *dev, 32 struct device_attribute *attr, char *buf) 33 { 34 struct qedi_ctx *qedi = qedi_dev_to_hba(dev); 35 struct qed_link_output if_link; 36 37 qedi_ops->common->get_link(qedi->cdev, &if_link); 38 39 return sprintf(buf, "%d Gbit\n", if_link.speed / 1000); 40 } 41 42 static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL); 43 static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL); 44 45 struct device_attribute *qedi_shost_attrs[] = { 46 &dev_attr_port_state, 47 &dev_attr_speed, 48 NULL 49 }; 50