Commit b425388d authored by Shani Michaeli's avatar Shani Michaeli Committed by Roland Dreier

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: default avatarHaggai Eran <haggaie@mellanox.com>
Signed-off-by: default avatarShani Michaeli <shanim@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 6ff63e19
...@@ -137,6 +137,14 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, ...@@ -137,6 +137,14 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)
props->device_cap_flags |= IB_DEVICE_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)) & props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
0xffffff; 0xffffff;
...@@ -1434,6 +1442,17 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ...@@ -1434,6 +1442,17 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; 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) { if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) {
ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd;
ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd;
......
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