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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright 2008 Cisco Systems, Inc. All rights reserved.4 * Copyright 2007 Nuova Systems, Inc. All rights reserved.5 */6#include <linux/string.h>7#include <linux/device.h>8#include <scsi/scsi_host.h>9#include "fnic.h"10 11static ssize_t fnic_show_state(struct device *dev,12 struct device_attribute *attr, char *buf)13{14 struct fc_lport *lp = shost_priv(class_to_shost(dev));15 struct fnic *fnic = lport_priv(lp);16 17 return sysfs_emit(buf, "%s\n", fnic_state_str[fnic->state]);18}19 20static ssize_t fnic_show_drv_version(struct device *dev,21 struct device_attribute *attr, char *buf)22{23 return sysfs_emit(buf, "%s\n", DRV_VERSION);24}25 26static ssize_t fnic_show_link_state(struct device *dev,27 struct device_attribute *attr, char *buf)28{29 struct fc_lport *lp = shost_priv(class_to_shost(dev));30 31 return sysfs_emit(buf, "%s\n", (lp->link_up) ? "Link Up" : "Link Down");32}33 34static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL);35static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL);36static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL);37 38static struct attribute *fnic_host_attrs[] = {39 &dev_attr_fnic_state.attr,40 &dev_attr_drv_version.attr,41 &dev_attr_link_state.attr,42 NULL,43};44 45static const struct attribute_group fnic_host_attr_group = {46 .attrs = fnic_host_attrs47};48 49const struct attribute_group *fnic_host_groups[] = {50 &fnic_host_attr_group,51 NULL52};53