[v2,10/16] common/mlx5: add crypto BSF struct and defines
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Commit Message
From: Dekel Peled <dekelp@nvidia.com>
This patch adds the struct defining crypto BSF segment of UMR WQE,
and the related value definitions and offsets.
Signed-off-by: Dekel Peled <dekelp@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
drivers/common/mlx5/mlx5_prm.h | 66 ++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
@@ -1096,6 +1096,72 @@ struct mlx5_ifc_create_mkey_in_bits {
u8 klm_pas_mtt[][0x20];
};
+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;
+
enum {
MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE = 0x0 << 1,
MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS = 0x1 << 1,