/* * Copyright (c) 2014 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "mlx5_ib.h" #define COPY_ODP_BIT_MLX_TO_IB(reg, ib_caps, field_name, bit_name) do { \ if (be32_to_cpu(reg.field_name) & MLX5_ODP_SUPPORT_##bit_name) \ ib_caps->field_name |= IB_ODP_SUPPORT_##bit_name; \ } while (0) int mlx5_ib_internal_query_odp_caps(struct mlx5_ib_dev *dev) { int err; struct mlx5_odp_caps hw_caps; struct ib_odp_caps *caps = &dev->odp_caps; memset(caps, 0, sizeof(*caps)); if (!(dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG)) return 0; err = mlx5_query_odp_caps(dev->mdev, &hw_caps); if (err) goto out; /* At this point we would copy the capability bits that the driver * supports from the hw_caps struct to the caps struct. However, no * such capabilities are supported so far. */ out: return err; }