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RDMA/mlx5: Expose UAPI to query DM

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Expose UAPI to query MEMIC DM, this will let user space application
that didn't allocate the DM but has access to by owning the matching
command FD to retrieve its information.

Link: https://lore.kernel.org/r/20210411122924.60230-8-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>
This commit is contained in:
Maor Gottlieb
2021-04-13 19:36:37 -03:00
committed by Jason Gunthorpe
parent cea85fa5db
commit 18731642d4
3 changed files with 55 additions and 1 deletions
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include/uapi/rdma/mlx5_user_ioctl_cmds.h
+8
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@@ -43,6 +43,7 @@ enum mlx5_ib_create_flow_action_attrs {
enum mlx5_ib_dm_methods {
MLX5_IB_METHOD_DM_MAP_OP_ADDR = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_METHOD_DM_QUERY,
};
enum mlx5_ib_dm_map_op_addr_attrs {
@@ -52,6 +53,13 @@ enum mlx5_ib_dm_map_op_addr_attrs {
MLX5_IB_ATTR_DM_MAP_OP_ADDR_RESP_PAGE_INDEX,
};
enum mlx5_ib_query_dm_attrs {
MLX5_IB_ATTR_QUERY_DM_REQ_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_QUERY_DM_RESP_START_OFFSET,
MLX5_IB_ATTR_QUERY_DM_RESP_PAGE_INDEX,
MLX5_IB_ATTR_QUERY_DM_RESP_LENGTH,
};
enum mlx5_ib_alloc_dm_attrs {
MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,