diff options
Diffstat (limited to 'drivers/scsi/snic/snic_attrs.c')
-rw-r--r-- | drivers/scsi/snic/snic_attrs.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/scsi/snic/snic_attrs.c b/drivers/scsi/snic/snic_attrs.c new file mode 100644 index 000000000..3ddbdbc3d --- /dev/null +++ b/drivers/scsi/snic/snic_attrs.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright 2014 Cisco Systems, Inc. All rights reserved. + +#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); + +static struct attribute *snic_host_attrs[] = { + &dev_attr_snic_sym_name.attr, + &dev_attr_snic_state.attr, + &dev_attr_drv_version.attr, + &dev_attr_link_state.attr, + NULL, +}; + +static const struct attribute_group snic_host_attr_group = { + .attrs = snic_host_attrs +}; + +const struct attribute_group *snic_host_groups[] = { + &snic_host_attr_group, + NULL +}; |