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 port_state_show(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 speed_show(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_RO(port_state); 43 static DEVICE_ATTR_RO(speed); 44 45 static struct attribute *qedi_shost_attrs[] = { 46 &dev_attr_port_state.attr, 47 &dev_attr_speed.attr, 48 NULL 49 }; 50 51 static const struct attribute_group qedi_shost_attr_group = { 52 .attrs = qedi_shost_attrs 53 }; 54 55 const struct attribute_group *qedi_shost_groups[] = { 56 &qedi_shost_attr_group, 57 NULL 58 }; 59