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authorMatan Barak2015-06-11 15:35:25 +0200
committerDoug Ledford2015-06-12 20:49:10 +0200
commit2528e33e680921d95092f83c4a64046744f111b3 (patch)
treec1376e9e5370c13a8f1f47ed9e4ecc2188b133f1 /drivers/infiniband/hw/amso1100
parentIB/core: Add timestamp_mask and hca_core_clock to query_device (diff)
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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>
Diffstat (limited to 'drivers/infiniband/hw/amso1100')
-rw-r--r--drivers/infiniband/hw/amso1100/c2_provider.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 8ea569f2cfa6..adfcef0946f7 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -63,13 +63,16 @@
#include "c2_provider.h"
#include "c2_user.h"
-static int c2_query_device(struct ib_device *ibdev,
- struct ib_device_attr *props)
+static int c2_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
+ struct ib_udata *uhw)
{
struct c2_dev *c2dev = to_c2dev(ibdev);
pr_debug("%s:%u\n", __func__, __LINE__);
+ if (uhw->inlen || uhw->outlen)
+ return -EINVAL;
+
*props = c2dev->props;
return 0;
}