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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>
This commit is contained in:
Shani Michaeli 2013-02-06 16:19:16 +00:00 committed by Roland Dreier
parent 6ff63e1940
commit b425388dc1
1 changed files with 19 additions and 0 deletions
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19
drivers/infiniband/hw/mlx4/main.c
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@ -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;