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path: root/drivers/scsi/snic/snic_attrs.c
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Diffstat (limited to 'drivers/scsi/snic/snic_attrs.c')
-rw-r--r--drivers/scsi/snic/snic_attrs.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/scsi/snic/snic_attrs.c b/drivers/scsi/snic/snic_attrs.c
new file mode 100644
index 000000000000..32d5d556b6f8
--- /dev/null
+++ b/drivers/scsi/snic/snic_attrs.c
@@ -0,0 +1,77 @@
+/*
+ * 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,
+};