From 38b7ca927d6a12bf4466be22a90b7d998f5ae69a Mon Sep 17 00:00:00 2001 From: Yishai Hadas Date: Thu, 8 Mar 2018 14:36:27 +0200 Subject: [PATCH] net/mlx5: Expose DEVX specification This patch updates the mlx5_ifc structures and command interface to support DEVX. Signed-off-by: Yishai Hadas Signed-off-by: Leon Romanovsky --- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 4 ++ include/linux/mlx5/device.h | 3 + include/linux/mlx5/mlx5_ifc.h | 67 ++++++++++++++++++- 3 files changed, 73 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index b99d6df3905b..d07f24de8fa3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -310,6 +310,7 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, case MLX5_CMD_OP_DEALLOC_ENCAP_HEADER: case MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT: case MLX5_CMD_OP_FPGA_DESTROY_QP: + case MLX5_CMD_OP_DESTROY_GENERAL_OBJECT: return MLX5_CMD_STAT_OK; case MLX5_CMD_OP_QUERY_HCA_CAP: @@ -427,6 +428,7 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, case MLX5_CMD_OP_FPGA_MODIFY_QP: case MLX5_CMD_OP_FPGA_QUERY_QP: case MLX5_CMD_OP_FPGA_QUERY_QP_COUNTERS: + case MLX5_CMD_OP_CREATE_GENERAL_OBJECT: *status = MLX5_DRIVER_STATUS_ABORTED; *synd = MLX5_DRIVER_SYND; return -EIO; @@ -599,6 +601,8 @@ const char *mlx5_command_str(int command) MLX5_COMMAND_STR_CASE(FPGA_QUERY_QP); MLX5_COMMAND_STR_CASE(FPGA_QUERY_QP_COUNTERS); MLX5_COMMAND_STR_CASE(FPGA_DESTROY_QP); + MLX5_COMMAND_STR_CASE(CREATE_GENERAL_OBJECT); + MLX5_COMMAND_STR_CASE(DESTROY_GENERAL_OBJECT); default: return "unknown command opcode"; } } diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 02f72ebf31a7..f8671c0a43aa 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1071,6 +1071,9 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_GEN(mdev, cap) \ MLX5_GET(cmd_hca_cap, mdev->caps.hca_cur[MLX5_CAP_GENERAL], cap) +#define MLX5_CAP_GEN_64(mdev, cap) \ + MLX5_GET64(cmd_hca_cap, mdev->caps.hca_cur[MLX5_CAP_GENERAL], cap) + #define MLX5_CAP_GEN_MAX(mdev, cap) \ MLX5_GET(cmd_hca_cap, mdev->caps.hca_max[MLX5_CAP_GENERAL], cap) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 27134c4fcb76..f810772e80c0 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -75,6 +75,15 @@ enum { MLX5_SET_HCA_CAP_OP_MOD_ATOMIC = 0x3, }; +enum { + MLX5_GENERAL_OBJ_TYPES_CAP_UCTX = (1ULL << 4), + MLX5_GENERAL_OBJ_TYPES_CAP_UMEM = (1ULL << 5), +}; + +enum { + MLX5_OBJ_TYPE_UCTX = 0x0004, +}; + enum { MLX5_CMD_OP_QUERY_HCA_CAP = 0x100, MLX5_CMD_OP_QUERY_ADAPTER = 0x101, @@ -242,6 +251,8 @@ enum { MLX5_CMD_OP_FPGA_QUERY_QP = 0x962, MLX5_CMD_OP_FPGA_DESTROY_QP = 0x963, MLX5_CMD_OP_FPGA_QUERY_QP_COUNTERS = 0x964, + MLX5_CMD_OP_CREATE_GENERAL_OBJECT = 0xa00, + MLX5_CMD_OP_DESTROY_GENERAL_OBJECT = 0xa03, MLX5_CMD_OP_MAX }; @@ -1113,7 +1124,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_3f8[0x3]; u8 log_max_current_uc_list[0x5]; - u8 reserved_at_400[0x80]; + u8 general_obj_types[0x40]; + + u8 reserved_at_440[0x40]; u8 reserved_at_480[0x3]; u8 log_max_l2_table[0x5]; @@ -9115,4 +9128,56 @@ struct mlx5_ifc_dealloc_memic_out_bits { u8 reserved_at_40[0x40]; }; +struct mlx5_ifc_general_obj_in_cmd_hdr_bits { + u8 opcode[0x10]; + u8 uid[0x10]; + + u8 reserved_at_20[0x10]; + u8 obj_type[0x10]; + + u8 obj_id[0x20]; + + u8 reserved_at_60[0x20]; +}; + +struct mlx5_ifc_general_obj_out_cmd_hdr_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 obj_id[0x20]; + + u8 reserved_at_60[0x20]; +}; + +struct mlx5_ifc_umem_bits { + u8 modify_field_select[0x40]; + + u8 reserved_at_40[0x5b]; + u8 log_page_size[0x5]; + + u8 page_offset[0x20]; + + u8 num_of_mtt[0x40]; + + struct mlx5_ifc_mtt_bits mtt[0]; +}; + +struct mlx5_ifc_uctx_bits { + u8 modify_field_select[0x40]; + + u8 reserved_at_40[0x1c0]; +}; + +struct mlx5_ifc_create_umem_in_bits { + struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr; + struct mlx5_ifc_umem_bits umem; +}; + +struct mlx5_ifc_create_uctx_in_bits { + struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr; + struct mlx5_ifc_uctx_bits uctx; +}; + #endif /* MLX5_IFC_H */ -- GitLab