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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * QLogic iSCSI Offload Driver4 * 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 12static 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 19static 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 else28 return sprintf(buf, "Linkdown\n");29}30 31static 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 42static DEVICE_ATTR_RO(port_state);43static DEVICE_ATTR_RO(speed);44 45static struct attribute *qedi_shost_attrs[] = {46 &dev_attr_port_state.attr,47 &dev_attr_speed.attr,48 NULL49};50 51static const struct attribute_group qedi_shost_attr_group = {52 .attrs = qedi_shost_attrs53};54 55const struct attribute_group *qedi_shost_groups[] = {56 &qedi_shost_attr_group,57 NULL58};59