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)
19struct 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
35struct mlx5_wqe_aso_data_seg {
36 __be32 bytewise_data[16];
37};
38
39struct mlx5_aso_wqe {
40 struct mlx5_wqe_ctrl_seg ctrl;
41 struct mlx5_wqe_aso_ctrl_seg aso_ctrl;
42};
43
44struct 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
50enum {
51 MLX5_ASO_LOGICAL_AND,
52 MLX5_ASO_LOGICAL_OR,
53};
54
55enum {
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
68enum {
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
74enum {
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
80struct mlx5_aso;
81
82struct mlx5_aso_wqe *mlx5_aso_get_wqe(struct mlx5_aso *aso);
83void 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);
86void mlx5_aso_post_wqe(struct mlx5_aso *aso, bool with_data,
87 struct mlx5_wqe_ctrl_seg *doorbell_cseg);
88int mlx5_aso_poll_cq(struct mlx5_aso *aso, bool with_data);
89
90struct mlx5_aso *mlx5_aso_create(struct mlx5_core_dev *mdev, u32 pdn);
91void mlx5_aso_destroy(struct mlx5_aso *aso);
92#endif /* __MLX5_LIB_ASO_H__ */
93

source code of linux/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h