forked from Minki/linux
c8806b6c9e
Cisco has developed a new PCI HBA interface called sNIC, which stands for SCSI NIC. This is a new storage feature supported on specialized network adapter. The new PCI function provides a uniform host interface and abstracts backend storage. [jejb: fix up checkpatch errors] Signed-off-by: Narsimhulu Musini <nmusini@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
|
|
* Copyright 2014 Cisco Systems, Inc. All rights reserved.
|
|
*
|
|
* This program is free software; you may redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include <linux/string.h>
|
|
#include <linux/device.h>
|
|
|
|
#include "snic.h"
|
|
|
|
static ssize_t
|
|
snic_show_sym_name(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct snic *snic = shost_priv(class_to_shost(dev));
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", snic->name);
|
|
}
|
|
|
|
static ssize_t
|
|
snic_show_state(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct snic *snic = shost_priv(class_to_shost(dev));
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%s\n",
|
|
snic_state_str[snic_get_state(snic)]);
|
|
}
|
|
|
|
static ssize_t
|
|
snic_show_drv_version(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION);
|
|
}
|
|
|
|
static ssize_t
|
|
snic_show_link_state(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct snic *snic = shost_priv(class_to_shost(dev));
|
|
|
|
if (snic->config.xpt_type == SNIC_DAS)
|
|
snic->link_status = svnic_dev_link_status(snic->vdev);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%s\n",
|
|
(snic->link_status) ? "Link Up" : "Link Down");
|
|
}
|
|
|
|
static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);
|
|
static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL);
|
|
static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL);
|
|
static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL);
|
|
|
|
struct device_attribute *snic_attrs[] = {
|
|
&dev_attr_snic_sym_name,
|
|
&dev_attr_snic_state,
|
|
&dev_attr_drv_version,
|
|
&dev_attr_link_state,
|
|
NULL,
|
|
};
|