1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ 3 4 #ifndef __MLX5_LIB_ASO_H__ 5 #define __MLX5_LIB_ASO_H__ 6 7 #include <linux/mlx5/qp.h> 8 #include "mlx5_core.h" 9 10 #define MLX5_ASO_WQEBBS \ 11 (DIV_ROUND_UP(sizeof(struct mlx5_aso_wqe), MLX5_SEND_WQE_BB)) 12 #define MLX5_ASO_WQEBBS_DATA \ 13 (DIV_ROUND_UP(sizeof(struct mlx5_aso_wqe_data), MLX5_SEND_WQE_BB)) 14 #define ASO_CTRL_READ_EN BIT(0) 15 #define MLX5_WQE_CTRL_WQE_OPC_MOD_SHIFT 24 16 #define MLX5_MACSEC_ASO_DS_CNT (DIV_ROUND_UP(sizeof(struct mlx5_aso_wqe), MLX5_SEND_WQE_DS)) 17 18 #define ASO_CTRL_READ_EN BIT(0) 19 struct mlx5_wqe_aso_ctrl_seg { 20 __be32 va_h; 21 __be32 va_l; /* include read_enable */ 22 __be32 l_key; 23 u8 data_mask_mode; 24 u8 condition_1_0_operand; 25 u8 condition_1_0_offset; 26 u8 data_offset_condition_operand; 27 __be32 condition_0_data; 28 __be32 condition_0_mask; 29 __be32 condition_1_data; 30 __be32 condition_1_mask; 31 __be64 bitwise_data; 32 __be64 data_mask; 33 }; 34 35 struct mlx5_wqe_aso_data_seg { 36 __be32 bytewise_data[16]; 37 }; 38 39 struct mlx5_aso_wqe { 40 struct mlx5_wqe_ctrl_seg ctrl; 41 struct mlx5_wqe_aso_ctrl_seg aso_ctrl; 42 }; 43 44 struct mlx5_aso_wqe_data { 45 struct mlx5_wqe_ctrl_seg ctrl; 46 struct mlx5_wqe_aso_ctrl_seg aso_ctrl; 47 struct mlx5_wqe_aso_data_seg aso_data; 48 }; 49 50 enum { 51 MLX5_ASO_LOGICAL_AND, 52 MLX5_ASO_LOGICAL_OR, 53 }; 54 55 enum { 56 MLX5_ASO_ALWAYS_FALSE, 57 MLX5_ASO_ALWAYS_TRUE, 58 MLX5_ASO_EQUAL, 59 MLX5_ASO_NOT_EQUAL, 60 MLX5_ASO_GREATER_OR_EQUAL, 61 MLX5_ASO_LESSER_OR_EQUAL, 62 MLX5_ASO_LESSER, 63 MLX5_ASO_GREATER, 64 MLX5_ASO_CYCLIC_GREATER, 65 MLX5_ASO_CYCLIC_LESSER, 66 }; 67 68 enum { 69 MLX5_ASO_DATA_MASK_MODE_BITWISE_64BIT, 70 MLX5_ASO_DATA_MASK_MODE_BYTEWISE_64BYTE, 71 MLX5_ASO_DATA_MASK_MODE_CALCULATED_64BYTE, 72 }; 73 74 enum { 75 MLX5_ACCESS_ASO_OPC_MOD_IPSEC = 0x0, 76 MLX5_ACCESS_ASO_OPC_MOD_FLOW_METER = 0x2, 77 MLX5_ACCESS_ASO_OPC_MOD_MACSEC = 0x5, 78 }; 79 80 struct mlx5_aso; 81 82 struct mlx5_aso_wqe *mlx5_aso_get_wqe(struct mlx5_aso *aso); 83 void mlx5_aso_build_wqe(struct mlx5_aso *aso, u8 ds_cnt, 84 struct mlx5_aso_wqe *aso_wqe, 85 u32 obj_id, u32 opc_mode); 86 void mlx5_aso_post_wqe(struct mlx5_aso *aso, bool with_data, 87 struct mlx5_wqe_ctrl_seg *doorbell_cseg); 88 int mlx5_aso_poll_cq(struct mlx5_aso *aso, bool with_data); 89 90 struct mlx5_aso *mlx5_aso_create(struct mlx5_core_dev *mdev, u32 pdn); 91 void mlx5_aso_destroy(struct mlx5_aso *aso); 92 #endif /* __MLX5_LIB_ASO_H__ */ 93