Narsimhulu Musini | c8806b6 | 2015-05-29 01:04:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Cisco Systems, Inc. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you may redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; version 2 of the License. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 9 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 10 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 11 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 12 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 14 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 15 | * SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/string.h> |
| 19 | #include <linux/device.h> |
| 20 | |
| 21 | #include "snic.h" |
| 22 | |
| 23 | static ssize_t |
| 24 | snic_show_sym_name(struct device *dev, |
| 25 | struct device_attribute *attr, |
| 26 | char *buf) |
| 27 | { |
| 28 | struct snic *snic = shost_priv(class_to_shost(dev)); |
| 29 | |
| 30 | return snprintf(buf, PAGE_SIZE, "%s\n", snic->name); |
| 31 | } |
| 32 | |
| 33 | static ssize_t |
| 34 | snic_show_state(struct device *dev, |
| 35 | struct device_attribute *attr, |
| 36 | char *buf) |
| 37 | { |
| 38 | struct snic *snic = shost_priv(class_to_shost(dev)); |
| 39 | |
| 40 | return snprintf(buf, PAGE_SIZE, "%s\n", |
| 41 | snic_state_str[snic_get_state(snic)]); |
| 42 | } |
| 43 | |
| 44 | static ssize_t |
| 45 | snic_show_drv_version(struct device *dev, |
| 46 | struct device_attribute *attr, |
| 47 | char *buf) |
| 48 | { |
| 49 | return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION); |
| 50 | } |
| 51 | |
| 52 | static ssize_t |
| 53 | snic_show_link_state(struct device *dev, |
| 54 | struct device_attribute *attr, |
| 55 | char *buf) |
| 56 | { |
| 57 | struct snic *snic = shost_priv(class_to_shost(dev)); |
| 58 | |
| 59 | if (snic->config.xpt_type == SNIC_DAS) |
| 60 | snic->link_status = svnic_dev_link_status(snic->vdev); |
| 61 | |
| 62 | return snprintf(buf, PAGE_SIZE, "%s\n", |
| 63 | (snic->link_status) ? "Link Up" : "Link Down"); |
| 64 | } |
| 65 | |
| 66 | static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL); |
| 67 | static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL); |
| 68 | static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL); |
| 69 | static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL); |
| 70 | |
| 71 | struct device_attribute *snic_attrs[] = { |
| 72 | &dev_attr_snic_sym_name, |
| 73 | &dev_attr_snic_state, |
| 74 | &dev_attr_drv_version, |
| 75 | &dev_attr_link_state, |
| 76 | NULL, |
| 77 | }; |