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Diffstat (limited to 'drivers/infiniband/core/uverbs_main.c')
-rw-r--r--drivers/infiniband/core/uverbs_main.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index e7058fbc607d..c84cc28b60ee 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -598,6 +598,15 @@ static ssize_t show_ibdev(struct class_device *class_dev, char *buf)
}
static CLASS_DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
+static ssize_t show_dev_abi_version(struct class_device *class_dev, char *buf)
+{
+ struct ib_uverbs_device *dev =
+ container_of(class_dev, struct ib_uverbs_device, class_dev);
+
+ return sprintf(buf, "%d\n", dev->ib_dev->uverbs_abi_ver);
+}
+static CLASS_DEVICE_ATTR(abi_version, S_IRUGO, show_dev_abi_version, NULL);
+
static void ib_uverbs_release_class_dev(struct class_device *class_dev)
{
struct ib_uverbs_device *dev =
@@ -662,6 +671,8 @@ static void ib_uverbs_add_one(struct ib_device *device)
if (class_device_create_file(&uverbs_dev->class_dev, &class_device_attr_ibdev))
goto err_class;
+ if (class_device_create_file(&uverbs_dev->class_dev, &class_device_attr_abi_version))
+ goto err_class;
ib_set_client_data(device, &uverbs_client, uverbs_dev);