1 /* 2 * Copyright 2008 Cisco Systems, Inc. All rights reserved. 3 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 4 * 5 * This program is free software; you may redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; version 2 of the License. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 16 * SOFTWARE. 17 */ 18 #include <linux/string.h> 19 #include <linux/device.h> 20 #include <scsi/scsi_host.h> 21 #include "fnic.h" 22 23 static ssize_t fnic_show_state(struct device *dev, 24 struct device_attribute *attr, char *buf) 25 { 26 struct fc_lport *lp = shost_priv(class_to_shost(dev)); 27 struct fnic *fnic = lport_priv(lp); 28 29 return snprintf(buf, PAGE_SIZE, "%s\n", fnic_state_str[fnic->state]); 30 } 31 32 static ssize_t fnic_show_drv_version(struct device *dev, 33 struct device_attribute *attr, char *buf) 34 { 35 return snprintf(buf, PAGE_SIZE, "%s\n", DRV_VERSION); 36 } 37 38 static ssize_t fnic_show_link_state(struct device *dev, 39 struct device_attribute *attr, char *buf) 40 { 41 struct fc_lport *lp = shost_priv(class_to_shost(dev)); 42 43 return snprintf(buf, PAGE_SIZE, "%s\n", (lp->link_up) 44 ? "Link Up" : "Link Down"); 45 } 46 47 static DEVICE_ATTR(fnic_state, S_IRUGO, fnic_show_state, NULL); 48 static DEVICE_ATTR(drv_version, S_IRUGO, fnic_show_drv_version, NULL); 49 static DEVICE_ATTR(link_state, S_IRUGO, fnic_show_link_state, NULL); 50 51 struct device_attribute *fnic_attrs[] = { 52 &dev_attr_fnic_state, 53 &dev_attr_drv_version, 54 &dev_attr_link_state, 55 NULL, 56 }; 57