IB/core: Pass hardware specific data in query_device
Vendors should be able to pass vendor specific data to/from
user-space via query_device uverb. In order to do this,
we need to pass the vendors' specific udata.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index dba1c92..e1dad45 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1550,12 +1550,14 @@
}
}
-static int qib_query_device(struct ib_device *ibdev,
- struct ib_device_attr *props)
+static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
+ struct ib_udata *uhw)
{
struct qib_devdata *dd = dd_from_ibdev(ibdev);
struct qib_ibdev *dev = to_idev(ibdev);
+ if (uhw->inlen || uhw->outlen)
+ return -EINVAL;
memset(props, 0, sizeof(*props));
props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |