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net/mlx5_core: Introduce offload arithmetic hardware capabilities 

Define the necessary hardware structures for the offload
arithmetic capabilities and read/cache them on driver load.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2016-02-23 10:25:23 +02:00 committed by Doug Ledford
parent b06e7de8a9
commit 3f0393a575
3 changed files with 42 additions and 1 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/fw.c
View File

@ -145,6 +145,12 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
return err;
}
if (MLX5_CAP_GEN(dev, vector_calc)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_VECTOR_CALC);
if (err)
return err;
}
return 0;
}

6
include/linux/mlx5/device.h
View File

@ -1219,6 +1219,8 @@ enum mlx5_cap_type {
MLX5_CAP_FLOW_TABLE,
MLX5_CAP_ESWITCH_FLOW_TABLE,
MLX5_CAP_ESWITCH,
MLX5_CAP_RESERVED,
MLX5_CAP_VECTOR_CALC,
/* NUM OF CAP Types */
MLX5_CAP_NUM
};
@ -1281,6 +1283,10 @@ enum mlx5_cap_type {
#define MLX5_CAP_ODP(mdev, cap)\
MLX5_GET(odp_cap, mdev->hca_caps_cur[MLX5_CAP_ODP], cap)
#define MLX5_CAP_VECTOR_CALC(mdev, cap) \
MLX5_GET(vector_calc_cap, \
mdev->hca_caps_cur[MLX5_CAP_VECTOR_CALC], cap)
enum {
MLX5_CMD_STAT_OK = 0x0,
MLX5_CMD_STAT_INT_ERR = 0x1,

31
include/linux/mlx5/mlx5_ifc.h
View File

@ -616,6 +616,33 @@ struct mlx5_ifc_odp_cap_bits {
u8 reserved_at_e0[0x720];
};
struct mlx5_ifc_calc_op {
u8 reserved_at_0[0x10];
u8 reserved_at_10[0x9];
u8 op_swap_endianness[0x1];
u8 op_min[0x1];
u8 op_xor[0x1];
u8 op_or[0x1];
u8 op_and[0x1];
u8 op_max[0x1];
u8 op_add[0x1];
};
struct mlx5_ifc_vector_calc_cap_bits {
u8 calc_matrix[0x1];
u8 reserved_at_1[0x1f];
u8 reserved_at_20[0x8];
u8 max_vec_count[0x8];
u8 reserved_at_30[0xd];
u8 max_chunk_size[0x3];
struct mlx5_ifc_calc_op calc0;
struct mlx5_ifc_calc_op calc1;
struct mlx5_ifc_calc_op calc2;
struct mlx5_ifc_calc_op calc3;
u8 reserved_at_e0[0x720];
};
enum {
MLX5_WQ_TYPE_LINKED_LIST = 0x0,
MLX5_WQ_TYPE_CYCLIC = 0x1,
@ -770,7 +797,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 cd[0x1];
u8 reserved_at_22c[0x1];
u8 apm[0x1];
u8 reserved_at_22e[0x2];
u8 vector_calc[0x1];
u8 reserved_at_22f[0x1];
u8 imaicl[0x1];
u8 reserved_at_231[0x4];
u8 qkv[0x1];
@ -1940,6 +1968,7 @@ union mlx5_ifc_hca_cap_union_bits {
struct mlx5_ifc_flow_table_nic_cap_bits flow_table_nic_cap;
struct mlx5_ifc_flow_table_eswitch_cap_bits flow_table_eswitch_cap;
struct mlx5_ifc_e_switch_cap_bits e_switch_cap;
struct mlx5_ifc_vector_calc_cap_bits vector_calc_cap;
u8 reserved_at_0[0x8000];
};