diff options
| author |   Matan Barak <matanb@mellanox.com> | 2015-06-11 16:35:25 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-06-12 14:49:10 -0400 |
| commit | 2528e33e680921d95092f83c4a64046744f111b3 (patch) | |
| tree | c1376e9e5370c13a8f1f47ed9e4ecc2188b133f1 /drivers/infiniband/hw/mthca | |
| parent | IB/core: Add timestamp_mask and hca_core_clock to query_device (diff) | |
| download | linux-dev-2528e33e680921d95092f83c4a64046744f111b3.tar.xz linux-dev-2528e33e680921d95092f83c4a64046744f111b3.zip | |
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/mthca')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index f1b04bd102d1..d6d7c164cc2d 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -57,14 +57,17 @@ static void init_query_mad(struct ib_smp *mad) mad->method = IB_MGMT_METHOD_GET; } -static int mthca_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int err = -ENOMEM; struct mthca_dev *mdev = to_mdev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) |