Branch data     Line data    Source code

       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                 :          0 : snic_show_sym_name(struct device *dev,
      25                 :            :                 struct device_attribute *attr,
      26                 :            :                 char *buf)
      27                 :            : {
      28                 :          0 :         struct snic *snic = shost_priv(class_to_shost(dev));
      29                 :            : 
      30                 :          0 :         return snprintf(buf, PAGE_SIZE, "%s\n", snic->name);
      31                 :            : }
      32                 :            : 
      33                 :            : static ssize_t
      34                 :          0 : snic_show_state(struct device *dev,
      35                 :            :                 struct device_attribute *attr,
      36                 :            :                 char *buf)
      37                 :            : {
      38                 :          0 :         struct snic *snic = shost_priv(class_to_shost(dev));
      39                 :            : 
      40                 :          0 :         return snprintf(buf, PAGE_SIZE, "%s\n",
      41                 :          0 :                         snic_state_str[snic_get_state(snic)]);
      42                 :            : }
      43                 :            : 
      44                 :            : static ssize_t
      45                 :          0 : snic_show_drv_version(struct device *dev,
      46                 :            :                       struct device_attribute *attr,
      47                 :            :                       char *buf)
      48                 :            : {
      49                 :          0 :         return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION);
      50                 :            : }
      51                 :            : 
      52                 :            : static ssize_t
      53                 :          0 : snic_show_link_state(struct device *dev,
      54                 :            :                      struct device_attribute *attr,
      55                 :            :                      char *buf)
      56                 :            : {
      57         [ #  # ]:          0 :         struct snic *snic = shost_priv(class_to_shost(dev));
      58                 :            : 
      59         [ #  # ]:          0 :         if (snic->config.xpt_type == SNIC_DAS)
      60                 :          0 :                 snic->link_status = svnic_dev_link_status(snic->vdev);
      61                 :            : 
      62                 :          0 :         return snprintf(buf, PAGE_SIZE, "%s\n",
      63         [ #  # ]:          0 :                         (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                 :            : };