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| author |   Yishai Hadas <yishaih@mellanox.com> | 2019-12-12 13:09:27 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2020-01-12 19:49:13 -0400 |
| commit | 7be76bef320b1f1d1b8dc87d3d5a03f3a2421a43 (patch) | |
| tree | 81b448c84c811439294aa93816c8027c9edbf609 /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| parent | IB/mlx5: Extend caps stage to handle VAR capabilities (diff) | |
| download | linux-dev-7be76bef320b1f1d1b8dc87d3d5a03f3a2421a43.tar.xz linux-dev-7be76bef320b1f1d1b8dc87d3d5a03f3a2421a43.zip | |
IB/mlx5: Introduce VAR object and its alloc/destroy methods
Introduce VAR object and its alloc/destroy KABI methods. The internal
implementation uses the IB core API to manage mmap/munamp calls.
Link: https://lore.kernel.org/r/20191212110928.334995-5-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index d3ec11fb59a6..676462c8909f 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -72,6 +72,11 @@ #define MLX5_MKEY_PAGE_SHIFT_MASK __mlx5_mask(mkc, log_page_size) enum { + MLX5_IB_MMAP_OFFSET_START = 9, + MLX5_IB_MMAP_OFFSET_END = 255, +}; + +enum { MLX5_IB_MMAP_CMD_SHIFT = 8, MLX5_IB_MMAP_CMD_MASK = 0xff, }; @@ -120,6 +125,7 @@ enum { enum mlx5_ib_mmap_type { MLX5_IB_MMAP_TYPE_MEMIC = 1, + MLX5_IB_MMAP_TYPE_VAR = 2, }; #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) \ @@ -563,6 +569,7 @@ struct mlx5_user_mmap_entry { struct rdma_user_mmap_entry rdma_entry; u8 mmap_flag; u64 address; + u32 page_idx; }; struct mlx5_ib_dm { |