projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 8cdd312c HE |
1 | /* |
| 2 | * Copyright (c) 2014 Mellanox Technologies. All rights reserved. | |
| 3 | * | |
| 4 | * This software is available to you under a choice of one of two | |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU | |
| 6 | * General Public License (GPL) Version 2, available from the file | |
| 7 | * COPYING in the main directory of this source tree, or the | |
| 8 | * OpenIB.org BSD license below: | |
| 9 | * | |
| 10 | * Redistribution and use in source and binary forms, with or | |
| 11 | * without modification, are permitted provided that the following | |
| 12 | * conditions are met: | |
| 13 | * | |
| 14 | * - Redistributions of source code must retain the above | |
| 15 | * copyright notice, this list of conditions and the following | |
| 16 | * disclaimer. | |
| 17 | * | |
| 18 | * - Redistributions in binary form must reproduce the above | |
| 19 | * copyright notice, this list of conditions and the following | |
| 20 | * disclaimer in the documentation and/or other materials | |
| 21 | * provided with the distribution. | |
| 22 | * | |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 30 | * SOFTWARE. | |
| 31 | */ | |
| 32 | ||
| 33 | #include "mlx5_ib.h" | |
| 34 | ||
| 35 | #define COPY_ODP_BIT_MLX_TO_IB(reg, ib_caps, field_name, bit_name) do { \ | |
| 36 | if (be32_to_cpu(reg.field_name) & MLX5_ODP_SUPPORT_##bit_name) \ | |
| 37 | ib_caps->field_name |= IB_ODP_SUPPORT_##bit_name; \ | |
| 38 | } while (0) | |
| 39 | ||
| 40 | int mlx5_ib_internal_query_odp_caps(struct mlx5_ib_dev *dev) | |
| 41 | { | |
| 42 | int err; | |
| 43 | struct mlx5_odp_caps hw_caps; | |
| 44 | struct ib_odp_caps *caps = &dev->odp_caps; | |
| 45 | ||
| 46 | memset(caps, 0, sizeof(*caps)); | |
| 47 | ||
| 48 | if (!(dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG)) | |
| 49 | return 0; | |
| 50 | ||
| 51 | err = mlx5_query_odp_caps(dev->mdev, &hw_caps); | |
| 52 | if (err) | |
| 53 | goto out; | |
| 54 | ||
| 55 | /* At this point we would copy the capability bits that the driver | |
| 56 | * supports from the hw_caps struct to the caps struct. However, no | |
| 57 | * such capabilities are supported so far. */ | |
| 58 | out: | |
| 59 | return err; | |
| 60 | } |