diff options
| author | Matan Barak <matanb@mellanox.com> | 2015-06-11 16:35:25 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-06-12 21:49:10 +0300 |
| commit | 2528e33e680921d95092f83c4a64046744f111b3 (patch) | |
| tree | c1376e9e5370c13a8f1f47ed9e4ecc2188b133f1 /drivers/infiniband/hw/mlx5 | |
| parent | 24306dc66149020c59a07b64e2a325af59ee7d10 (diff) | |
| download | linux-2528e33e680921d95092f83c4a64046744f111b3.tar.xz | |
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/mlx5')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 06b023855a33..5803859d3f76 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -63,7 +63,8 @@ static char mlx5_version[] = DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; static int mlx5_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct mlx5_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; @@ -74,6 +75,9 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, int max_sq_sg; u64 flags; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + gen = &dev->mdev->caps.gen; in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); @@ -910,6 +914,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev) struct mlx5_general_caps *gen; int err = -ENOMEM; int port; + struct ib_udata uhw = {.inlen = 0, .outlen = 0}; gen = &dev->mdev->caps.gen; pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); @@ -920,7 +925,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev) if (!dprops) goto out; - err = mlx5_ib_query_device(&dev->ib_dev, dprops); + err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); if (err) { mlx5_ib_warn(dev, "query_device failed %d\n", err); goto out; |