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 fc_lport *lp = shost_priv(class_to_shost(dev)); 15 struct fnic *fnic = lport_priv(lp); 16 17 return snprintf(buf, PAGE_SIZE, "%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 snprintf(buf, PAGE_SIZE, "%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 fc_lport *lp = shost_priv(class_to_shost(dev)); 30 31 return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up) 32 ? "Link Up" : "Link Down"); 33 } 34 35 static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL); 36 static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL); 37 static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL); 38 39 static struct attribute *fnic_host_attrs[] = { 40 &dev_attr_fnic_state.attr, 41 &dev_attr_drv_version.attr, 42 &dev_attr_link_state.attr, 43 NULL, 44 }; 45 46 static const struct attribute_group fnic_host_attr_group = { 47 .attrs = fnic_host_attrs 48 }; 49 50 const struct attribute_group *fnic_host_groups[] = { 51 &fnic_host_attr_group, 52 NULL 53 }; 54