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| author | Jianbo Liu <jianbol@nvidia.com> | 2022-04-29 07:46:47 +0000 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2022-07-02 11:58:27 -0700 |
| commit | c491ded04325b92fa1cc4af678154cb02fec0ae4 (patch) | |
| tree | 7fa55337ec09ba18689e66dd268967ad30d77bd3 /drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h | |
| parent | cdd04f4d4d71cbf93d0d9abe63bc838f47c467fa (diff) | |
| download | linux-c491ded04325b92fa1cc4af678154cb02fec0ae4.tar.bz2 | |
net/mlx5: Implement interfaces to control ASO SQ and CQ
Add interfaces to use ASO object control channel. The channel consists
of a control SQ and CQ to which user can post ACCESS_ASO work requests
to modify ASO objects. The functions to get wqe from SQ, fill wqe,
post the request, and poll the completion of the work, are provided.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h index 55496513d1f9..7420df061b3b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h @@ -4,10 +4,75 @@ #ifndef __MLX5_LIB_ASO_H__ #define __MLX5_LIB_ASO_H__ +#include <linux/mlx5/qp.h> #include "mlx5_core.h" +#define MLX5_ASO_WQEBBS \ + (DIV_ROUND_UP(sizeof(struct mlx5_aso_wqe), MLX5_SEND_WQE_BB)) +#define MLX5_ASO_WQEBBS_DATA \ + (DIV_ROUND_UP(sizeof(struct mlx5_aso_wqe_data), MLX5_SEND_WQE_BB)) +#define MLX5_WQE_CTRL_WQE_OPC_MOD_SHIFT 24 + +struct mlx5_wqe_aso_ctrl_seg { + __be32 va_h; + __be32 va_l; /* include read_enable */ + __be32 l_key; + u8 data_mask_mode; + u8 condition_1_0_operand; + u8 condition_1_0_offset; + u8 data_offset_condition_operand; + __be32 condition_0_data; + __be32 condition_0_mask; + __be32 condition_1_data; + __be32 condition_1_mask; + __be64 bitwise_data; + __be64 data_mask; +}; + +struct mlx5_wqe_aso_data_seg { + __be32 bytewise_data[16]; +}; + +struct mlx5_aso_wqe { + struct mlx5_wqe_ctrl_seg ctrl; + struct mlx5_wqe_aso_ctrl_seg aso_ctrl; +}; + +struct mlx5_aso_wqe_data { + struct mlx5_wqe_ctrl_seg ctrl; + struct mlx5_wqe_aso_ctrl_seg aso_ctrl; + struct mlx5_wqe_aso_data_seg aso_data; +}; + +enum { + MLX5_ASO_ALWAYS_FALSE, + MLX5_ASO_ALWAYS_TRUE, + MLX5_ASO_EQUAL, + MLX5_ASO_NOT_EQUAL, + MLX5_ASO_GREATER_OR_EQUAL, + MLX5_ASO_LESSER_OR_EQUAL, + MLX5_ASO_LESSER, + MLX5_ASO_GREATER, + MLX5_ASO_CYCLIC_GREATER, + MLX5_ASO_CYCLIC_LESSER, +}; + +enum { + MLX5_ASO_DATA_MASK_MODE_BITWISE_64BIT, + MLX5_ASO_DATA_MASK_MODE_BYTEWISE_64BYTE, + MLX5_ASO_DATA_MASK_MODE_CALCULATED_64BYTE, +}; + struct mlx5_aso; +void *mlx5_aso_get_wqe(struct mlx5_aso *aso); +void mlx5_aso_build_wqe(struct mlx5_aso *aso, u8 ds_cnt, + struct mlx5_aso_wqe *aso_wqe, + u32 obj_id, u32 opc_mode); +void mlx5_aso_post_wqe(struct mlx5_aso *aso, bool with_data, + struct mlx5_wqe_ctrl_seg *doorbell_cseg); +int mlx5_aso_poll_cq(struct mlx5_aso *aso, bool with_data, u32 interval_ms); + struct mlx5_aso *mlx5_aso_create(struct mlx5_core_dev *mdev, u32 pdn); void mlx5_aso_destroy(struct mlx5_aso *aso); #endif /* __MLX5_LIB_ASO_H__ */ |