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| author | Or Har-Toov <ohartoov@nvidia.com> | 2023-01-17 16:14:52 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-02-17 23:22:23 +0300 |
| commit | 594cac11ab6a1be8022a3c96d181dde7cfb0b8cf (patch) | |
| tree | 930c671ccd6b98dcf4e10974e8318a5d09cb7812 /drivers/infiniband/hw/mlx5/cmd.c | |
| parent | 1b1e4868836a4b5b375be75fd4c9583d29500517 (diff) | |
| download | linux-594cac11ab6a1be8022a3c96d181dde7cfb0b8cf.tar.xz | |
RDMA/mlx5: Use query_special_contexts for mkeys
Use query_sepcial_contexts to get the correct value of mkeys such as
null_mkey, terminate_scatter_list_mkey and dump_fill_mkey, as FW will
change them in certain configurations.
Link: https://lore.kernel.org/r/000236f0a9487d48809f87bcc3620a3964b2d3d3.1673960981.git.leon@kernel.org
Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@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/cmd.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cmd.c | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index ff3742b0460a..1d0c8d5e745b 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -5,34 +5,41 @@ #include "cmd.h" -int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey) +int mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev *dev) { u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; + bool is_terminate, is_dump, is_null; int err; - MLX5_SET(query_special_contexts_in, in, opcode, - MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); - if (!err) - *mkey = MLX5_GET(query_special_contexts_out, out, - dump_fill_mkey); - return err; -} + is_terminate = MLX5_CAP_GEN(dev->mdev, terminate_scatter_list_mkey); + is_dump = MLX5_CAP_GEN(dev->mdev, dump_fill_mkey); + is_null = MLX5_CAP_GEN(dev->mdev, null_mkey); -int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey) -{ - u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; - u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; - int err; + dev->mkeys.terminate_scatter_list_mkey = MLX5_TERMINATE_SCATTER_LIST_LKEY; + if (!is_terminate && !is_dump && !is_null) + return 0; MLX5_SET(query_special_contexts_in, in, opcode, MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); - if (!err) - *null_mkey = MLX5_GET(query_special_contexts_out, out, - null_mkey); - return err; + err = mlx5_cmd_exec_inout(dev->mdev, query_special_contexts, in, out); + if (err) + return err; + + if (is_dump) + dev->mkeys.dump_fill_mkey = MLX5_GET(query_special_contexts_out, + out, dump_fill_mkey); + + if (is_null) + dev->mkeys.null_mkey = cpu_to_be32( + MLX5_GET(query_special_contexts_out, out, null_mkey)); + + if (is_terminate) + dev->mkeys.terminate_scatter_list_mkey = + cpu_to_be32(MLX5_GET(query_special_contexts_out, out, + terminate_scatter_list_mkey)); + + return 0; } int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, |