diff options
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 34cdce6738a..a3d227f3f52 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -190,6 +190,46 @@ show_shost_state(struct class_device *class_dev, char *buf) static CLASS_DEVICE_ATTR(state, S_IRUGO | S_IWUSR, show_shost_state, store_shost_state); +static ssize_t +show_shost_mode(unsigned int mode, char *buf) +{ + ssize_t len = 0; + + if (mode & MODE_INITIATOR) + len = sprintf(buf, "%s", "Initiator"); + + if (mode & MODE_TARGET) + len += sprintf(buf + len, "%s%s", len ? ", " : "", "Target"); + + len += sprintf(buf + len, "\n"); + + return len; +} + +static ssize_t show_shost_supported_mode(struct class_device *class_dev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(class_dev); + + if (shost->hostt->supported_mode == MODE_UNKNOWN) + return snprintf(buf, 20, "unknown\n"); + else + return show_shost_mode(shost->hostt->supported_mode, buf); +} + +static CLASS_DEVICE_ATTR(supported_mode, S_IRUGO | S_IWUSR, show_shost_supported_mode, NULL); + +static ssize_t show_shost_active_mode(struct class_device *class_dev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(class_dev); + + if (shost->active_mode == MODE_UNKNOWN) + return snprintf(buf, 20, "unknown\n"); + else + return show_shost_mode(shost->active_mode, buf); +} + +static CLASS_DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL); + shost_rd_attr(unique_id, "%u\n"); shost_rd_attr(host_busy, "%hu\n"); shost_rd_attr(cmd_per_lun, "%hd\n"); @@ -208,6 +248,8 @@ static struct class_device_attribute *scsi_sysfs_shost_attrs[] = { &class_device_attr_proc_name, &class_device_attr_scan, &class_device_attr_state, + &class_device_attr_supported_mode, + &class_device_attr_active_mode, NULL }; |