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1// SPDX-License-Identifier: GPL-2.0-only2// Copyright 2014 Cisco Systems, Inc. All rights reserved.3 4#include <linux/string.h>5#include <linux/device.h>6 7#include "snic.h"8 9static ssize_t10snic_show_sym_name(struct device *dev,11 struct device_attribute *attr,12 char *buf)13{14 struct snic *snic = shost_priv(class_to_shost(dev));15 16 return sysfs_emit(buf, "%s\n", snic->name);17}18 19static ssize_t20snic_show_state(struct device *dev,21 struct device_attribute *attr,22 char *buf)23{24 struct snic *snic = shost_priv(class_to_shost(dev));25 26 return sysfs_emit(buf, "%s\n", snic_state_str[snic_get_state(snic)]);27}28 29static ssize_t30snic_show_drv_version(struct device *dev,31 struct device_attribute *attr,32 char *buf)33{34 return sysfs_emit(buf, "%s\n", SNIC_DRV_VERSION);35}36 37static ssize_t38snic_show_link_state(struct device *dev,39 struct device_attribute *attr,40 char *buf)41{42 struct snic *snic = shost_priv(class_to_shost(dev));43 44 if (snic->config.xpt_type == SNIC_DAS)45 snic->link_status = svnic_dev_link_status(snic->vdev);46 47 return sysfs_emit(buf, "%s\n",48 (snic->link_status) ? "Link Up" : "Link Down");49}50 51static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);52static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL);53static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL);54static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL);55 56static struct attribute *snic_host_attrs[] = {57 &dev_attr_snic_sym_name.attr,58 &dev_attr_snic_state.attr,59 &dev_attr_drv_version.attr,60 &dev_attr_link_state.attr,61 NULL,62};63 64static const struct attribute_group snic_host_attr_group = {65 .attrs = snic_host_attrs66};67 68const struct attribute_group *snic_host_groups[] = {69 &snic_host_attr_group,70 NULL71};72