diff options
| author | Shani Michaeli <shanim@mellanox.com> | 2013-02-06 16:19:16 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-02-25 10:44:32 -0800 |
| commit | b425388dc1f5672006517f8927d66bf7f22649d6 (patch) | |
| tree | 8678b49487bce0c0855c76450b09e676902e1455 /drivers/infiniband | |
| parent | 6ff63e194066a1f14aee805366a1d79c541fddae (diff) | |
| download | linux-b425388dc1f5672006517f8927d66bf7f22649d6.tar.gz | |
IB/mlx4: Advertise MW support
Indicate memory windows support through device capabilities, kernel verb entries and the relevant uverbs command mask entries. Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Shani Michaeli <shanim@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 3fdd1c17cef7..23d734349d8e 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -137,6 +137,14 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) props->device_cap_flags |= IB_DEVICE_XRC; + if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW) + props->device_cap_flags |= IB_DEVICE_MEM_WINDOW; + if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { + if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B) + props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B; + else + props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A; + } props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & 0xffffff; @@ -1434,6 +1442,17 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; } + if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || + dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) { + ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw; + ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw; + ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw; + + ibdev->ib_dev.uverbs_cmd_mask |= + (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | + (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); + } + if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; |