1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 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 11 static ssize_t fnic_show_state(struct device *dev, 12 struct device_attribute *attr, char *buf) 13 { 14 struct fnic *fnic = 15 *((struct fnic **) shost_priv(class_to_shost(dev))); 16 17 return sysfs_emit(buf, "%s\n", fnic_state_str[fnic->state]); 18 } 19 20 static 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 26 static ssize_t fnic_show_link_state(struct device *dev, 27 struct device_attribute *attr, char *buf) 28 { 29 struct fnic *fnic = 30 *((struct fnic **) shost_priv(class_to_shost(dev))); 31 32 return sysfs_emit(buf, "%s\n", 33 ((fnic->iport.state != FNIC_IPORT_STATE_INIT) && 34 (fnic->iport.state != FNIC_IPORT_STATE_LINK_WAIT)) ? 35 "Link Up" : "Link Down"); 36 } 37 38 static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL); 39 static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL); 40 static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL); 41 42 static struct attribute *fnic_host_attrs[] = { 43 &dev_attr_fnic_state.attr, 44 &dev_attr_drv_version.attr, 45 &dev_attr_link_state.attr, 46 NULL, 47 }; 48 49 static const struct attribute_group fnic_host_attr_group = { 50 .attrs = fnic_host_attrs 51 }; 52 53 const struct attribute_group *fnic_host_groups[] = { 54 &fnic_host_attr_group, 55 NULL 56 }; 57