cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

snic_attrs.c (2456B)

      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
     23static ssize_t
     24snic_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
     33static ssize_t
     34snic_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
     44static ssize_t
     45snic_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
     52static ssize_t
     53snic_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
     66static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);
     67static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL);
     68static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL);
     69static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL);
     70
     71static struct attribute *snic_host_attrs[] = {
     72	&dev_attr_snic_sym_name.attr,
     73	&dev_attr_snic_state.attr,
     74	&dev_attr_drv_version.attr,
     75	&dev_attr_link_state.attr,
     76	NULL,
     77};
     78
     79static const struct attribute_group snic_host_attr_group = {
     80	.attrs = snic_host_attrs
     81};
     82
     83const struct attribute_group *snic_host_groups[] = {
     84	&snic_host_attr_group,
     85	NULL
     86};