diff options
| author | Maor Gottlieb <maorg@nvidia.com> | 2021-04-11 15:29:20 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-04-13 19:36:36 -0300 |
| commit | 831df88381f73bca0f5624b69ab985cac3d036bc (patch) | |
| tree | ea48bd05a49843cbf3ce29c39a720c8abdef5c0c /drivers/infiniband/hw/mlx5/dm.h | |
| parent | 7ca2b8a378ca0d4ce52edc63d6b160467d8a10c1 (diff) | |
RDMA/mlx5: Move all DM logic to separate file
Move all device memory related code to a separate file.
Link: https://lore.kernel.org/r/20210411122924.60230-4-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/dm.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/dm.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/dm.h b/drivers/infiniband/hw/mlx5/dm.h new file mode 100644 index 0000000000000..f8ff5d7fd7c50 --- /dev/null +++ b/drivers/infiniband/hw/mlx5/dm.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. + */ + +#ifndef _MLX5_IB_DM_H +#define _MLX5_IB_DM_H + +#include "mlx5_ib.h" + + +extern const struct ib_device_ops mlx5_ib_dev_dm_ops; +extern const struct uapi_definition mlx5_ib_dm_defs[]; + +struct mlx5_ib_dm { + struct ib_dm ibdm; + phys_addr_t dev_addr; + u32 type; + size_t size; + union { + struct { + u32 obj_id; + } icm_dm; + /* other dm types specific params should be added here */ + }; + struct mlx5_user_mmap_entry mentry; +}; + +static inline struct mlx5_ib_dm *to_mdm(struct ib_dm *ibdm) +{ + return container_of(ibdm, struct mlx5_ib_dm, ibdm); +} + +struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev, + struct ib_ucontext *context, + struct ib_dm_alloc_attr *attr, + struct uverbs_attr_bundle *attrs); +int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs); +void mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr, + u64 length); + +#endif /* _MLX5_IB_DM_H */ |