1 // SPDX-License-Identifier: GPL-2.0-only 2 // 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 9 static ssize_t 10 snic_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 19 static ssize_t 20 snic_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 29 static ssize_t 30 snic_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 37 static ssize_t 38 snic_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 51 static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL); 52 static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL); 53 static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL); 54 static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL); 55 56 static 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 64 static const struct attribute_group snic_host_attr_group = { 65 .attrs = snic_host_attrs 66 }; 67 68 const struct attribute_group *snic_host_groups[] = { 69 &snic_host_attr_group, 70 NULL 71 }; 72