From d5ee804d04abea0ece7bdf0d691a46d7ed6adc74 Mon Sep 17 00:00:00 2001 From: Dekel Peled Date: Tue, 4 May 2021 20:54:54 +0300 Subject: [PATCH] common/mlx5: add crypto BSF struct and definitions This patch adds the struct defining crypto BSF segment of UMR WQE, and the related value definitions and offsets. Signed-off-by: Dekel Peled Acked-by: Matan Azrad --- drivers/common/mlx5/mlx5_prm.h | 66 ++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h index 8a66099058..87e6c36f2c 100644 --- a/drivers/common/mlx5/mlx5_prm.h +++ b/drivers/common/mlx5/mlx5_prm.h @@ -412,6 +412,72 @@ struct mlx5_cqe_ts { uint8_t op_own; }; +enum { + MLX5_BSF_SIZE_16B = 0x0, + MLX5_BSF_SIZE_32B = 0x1, + MLX5_BSF_SIZE_64B = 0x2, + MLX5_BSF_SIZE_128B = 0x3, +}; + +enum { + MLX5_BSF_P_TYPE_SIGNATURE = 0x0, + MLX5_BSF_P_TYPE_CRYPTO = 0x1, +}; + +enum { + MLX5_ENCRYPTION_ORDER_ENCRYPTED_WIRE_SIGNATURE = 0x0, + MLX5_ENCRYPTION_ORDER_ENCRYPTED_MEMORY_SIGNATURE = 0x1, + MLX5_ENCRYPTION_ORDER_ENCRYPTED_RAW_WIRE = 0x2, + MLX5_ENCRYPTION_ORDER_ENCRYPTED_RAW_MEMORY = 0x3, +}; + +enum { + MLX5_ENCRYPTION_STANDARD_AES_XTS = 0x0, +}; + +enum { + MLX5_BLOCK_SIZE_512B = 0x1, + MLX5_BLOCK_SIZE_520B = 0x2, + MLX5_BLOCK_SIZE_4096B = 0x3, + MLX5_BLOCK_SIZE_4160B = 0x4, + MLX5_BLOCK_SIZE_1MB = 0x5, + MLX5_BLOCK_SIZE_4048B = 0x6, +}; + +#define MLX5_BSF_SIZE_OFFSET 30 +#define MLX5_BSF_P_TYPE_OFFSET 24 +#define MLX5_ENCRYPTION_ORDER_OFFSET 16 +#define MLX5_BLOCK_SIZE_OFFSET 24 + +struct mlx5_wqe_umr_bsf_seg { + /* + * bs_bpt_eo_es contains: + * bs bsf_size 2 bits at MLX5_BSF_SIZE_OFFSET + * bpt bsf_p_type 2 bits at MLX5_BSF_P_TYPE_OFFSET + * eo encryption_order 4 bits at MLX5_ENCRYPTION_ORDER_OFFSET + * es encryption_standard 4 bits at offset 0 + */ + uint32_t bs_bpt_eo_es; + uint32_t raw_data_size; + /* + * bsp_res contains: + * bsp crypto_block_size_pointer 8 bits at MLX5_BLOCK_SIZE_OFFSET + * res reserved 24 bits + */ + uint32_t bsp_res; + uint32_t reserved0; + uint8_t xts_initial_tweak[16]; + /* + * res_dp contains: + * res reserved 8 bits + * dp dek_pointer 24 bits at offset 0 + */ + uint32_t res_dp; + uint32_t reserved1; + uint64_t keytag; + uint32_t reserved2[4]; +} __rte_packed; + /* GGA */ /* MMO metadata segment */ -- 2.20.1