1 files changed, 90 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
new file mode 100644
index 000000000000..2d40dcf9d42e
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#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 ASO_CTRL_READ_EN BIT(0)
+#define MLX5_WQE_CTRL_WQE_OPC_MOD_SHIFT 24
+#define MLX5_MACSEC_ASO_DS_CNT (DIV_ROUND_UP(sizeof(struct mlx5_aso_wqe), MLX5_SEND_WQE_DS))
+
+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_LOGICAL_AND,
+	MLX5_ASO_LOGICAL_OR,
+};
+
+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,
+};
+
+enum {
+	MLX5_ACCESS_ASO_OPC_MOD_FLOW_METER = 0x2,
+	MLX5_ACCESS_ASO_OPC_MOD_MACSEC = 0x5,
+};
+
+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);
+
+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__ */