aso.h

 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__ */