forked from luck/tmp_suning_uos_patched
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
/*
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* Copyright 2014 Cisco Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/string.h>
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#include <linux/device.h>
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#include "snic.h"
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static ssize_t
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snic_show_sym_name(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct snic *snic = shost_priv(class_to_shost(dev));
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return snprintf(buf, PAGE_SIZE, "%s\n", snic->name);
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}
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static ssize_t
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snic_show_state(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct snic *snic = shost_priv(class_to_shost(dev));
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return snprintf(buf, PAGE_SIZE, "%s\n",
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snic_state_str[snic_get_state(snic)]);
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}
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static ssize_t
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snic_show_drv_version(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION);
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}
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static ssize_t
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snic_show_link_state(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct snic *snic = shost_priv(class_to_shost(dev));
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if (snic->config.xpt_type == SNIC_DAS)
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snic->link_status = svnic_dev_link_status(snic->vdev);
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return snprintf(buf, PAGE_SIZE, "%s\n",
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(snic->link_status) ? "Link Up" : "Link Down");
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}
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static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);
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static DEVICE_ATTR(snic_state, S_IRUGO, snic_show_state, NULL);
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static DEVICE_ATTR(drv_version, S_IRUGO, snic_show_drv_version, NULL);
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static DEVICE_ATTR(link_state, S_IRUGO, snic_show_link_state, NULL);
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struct device_attribute *snic_attrs[] = {
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&dev_attr_snic_sym_name,
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&dev_attr_snic_state,
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&dev_attr_drv_version,
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&dev_attr_link_state,
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NULL,
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};
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