@@ -1410,6 +1410,15 @@ static struct attribute_group *mdev_type_groups[] = {
NULL,
};
+static unsigned int mtty_alias_length;
+module_param_named(alias_length, mtty_alias_length, uint, 0444);
+MODULE_PARM_DESC(alias_length, "mdev alias length; default=0");
+
+static unsigned int mtty_get_alias_length(void)
+{
+ return mtty_alias_length;
+}
+
static const struct mdev_parent_ops mdev_fops = {
.owner = THIS_MODULE,
.dev_attr_groups = mtty_dev_groups,
@@ -1422,6 +1431,7 @@ static const struct mdev_parent_ops mdev_fops = {
.read = mtty_read,
.write = mtty_write,
.ioctl = mtty_ioctl,
+ .get_alias_length = mtty_get_alias_length
};
static void mtty_device_release(struct device *dev)
Provide a module parameter to set alias length to optionally generate mdev alias. Example to request mdev alias. $ modprobe mtty alias_length=12 Signed-off-by: Parav Pandit <parav@mellanox.com> --- samples/vfio-mdev/mtty.c | 10 ++++++++++ 1 file changed, 10 insertions(+)