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path: root/drivers/scsi/scsi_sysfs.c
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Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
-rw-r--r--drivers/scsi/scsi_sysfs.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 96db51c40ef3..5326f5cbeae9 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -276,6 +276,19 @@ static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
return (sdp->inq_periph_qual == SCSI_INQ_PQ_CON)? 1: 0;
}
+static int scsi_bus_uevent(struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ int i = 0;
+ int length = 0;
+
+ add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
+ "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);
+ envp[i] = NULL;
+ return 0;
+}
+
static int scsi_bus_suspend(struct device * dev, pm_message_t state)
{
struct device_driver *drv = dev->driver;
@@ -331,6 +344,7 @@ static int scsi_bus_resume(struct device * dev)
struct bus_type scsi_bus_type = {
.name = "scsi",
.match = scsi_bus_match,
+ .uevent = scsi_bus_uevent,
.suspend = scsi_bus_suspend,
.resume = scsi_bus_resume,
};
@@ -558,6 +572,14 @@ show_sdev_iostat(iorequest_cnt);
show_sdev_iostat(iodone_cnt);
show_sdev_iostat(ioerr_cnt);
+static ssize_t
+sdev_show_modalias(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct scsi_device *sdev;
+ sdev = to_scsi_device(dev);
+ return snprintf (buf, 20, SCSI_DEVICE_MODALIAS_FMT "\n", sdev->type);
+}
+static DEVICE_ATTR(modalias, S_IRUGO, sdev_show_modalias, NULL);
/* Default template for device attributes. May NOT be modified */
static struct device_attribute *scsi_sysfs_sdev_attrs[] = {
@@ -577,6 +599,7 @@ static struct device_attribute *scsi_sysfs_sdev_attrs[] = {
&dev_attr_iorequest_cnt,
&dev_attr_iodone_cnt,
&dev_attr_ioerr_cnt,
+ &dev_attr_modalias,
NULL
};