diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fw.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fw.c | 81 |
1 files changed, 2 insertions, 79 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index f012658b6a92..087c4c797deb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -64,86 +64,9 @@ out_out: return err; } -int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, - struct mlx5_caps *caps) +int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, struct mlx5_caps *caps) { - struct mlx5_cmd_query_hca_cap_mbox_out *out; - struct mlx5_cmd_query_hca_cap_mbox_in in; - struct mlx5_query_special_ctxs_mbox_out ctx_out; - struct mlx5_query_special_ctxs_mbox_in ctx_in; - int err; - u16 t16; - - out = kzalloc(sizeof(*out), GFP_KERNEL); - if (!out) - return -ENOMEM; - - memset(&in, 0, sizeof(in)); - in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_HCA_CAP); - in.hdr.opmod = cpu_to_be16(0x1); - err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out)); - if (err) - goto out_out; - - if (out->hdr.status) { - err = mlx5_cmd_status_to_err(&out->hdr); - goto out_out; - } - - - caps->log_max_eq = out->hca_cap.log_max_eq & 0xf; - caps->max_cqes = 1 << out->hca_cap.log_max_cq_sz; - caps->max_wqes = 1 << out->hca_cap.log_max_qp_sz; - caps->max_sq_desc_sz = be16_to_cpu(out->hca_cap.max_desc_sz_sq); - caps->max_rq_desc_sz = be16_to_cpu(out->hca_cap.max_desc_sz_rq); - caps->flags = be64_to_cpu(out->hca_cap.flags); - caps->stat_rate_support = be16_to_cpu(out->hca_cap.stat_rate_support); - caps->log_max_msg = out->hca_cap.log_max_msg & 0x1f; - caps->num_ports = out->hca_cap.num_ports & 0xf; - caps->log_max_cq = out->hca_cap.log_max_cq & 0x1f; - if (caps->num_ports > MLX5_MAX_PORTS) { - mlx5_core_err(dev, "device has %d ports while the driver supports max %d ports\n", - caps->num_ports, MLX5_MAX_PORTS); - err = -EINVAL; - goto out_out; - } - caps->log_max_qp = out->hca_cap.log_max_qp & 0x1f; - caps->log_max_mkey = out->hca_cap.log_max_mkey & 0x3f; - caps->log_max_pd = out->hca_cap.log_max_pd & 0x1f; - caps->log_max_srq = out->hca_cap.log_max_srqs & 0x1f; - caps->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f; - caps->log_max_mcg = out->hca_cap.log_max_mcg; - caps->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff; - caps->max_ra_res_qp = 1 << (out->hca_cap.log_max_ra_res_qp & 0x3f); - caps->max_ra_req_qp = 1 << (out->hca_cap.log_max_ra_req_qp & 0x3f); - caps->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz; - t16 = be16_to_cpu(out->hca_cap.bf_log_bf_reg_size); - if (t16 & 0x8000) { - caps->bf_reg_size = 1 << (t16 & 0x1f); - caps->bf_regs_per_page = MLX5_BF_REGS_PER_PAGE; - } else { - caps->bf_reg_size = 0; - caps->bf_regs_per_page = 0; - } - caps->min_page_sz = ~(u32)((1 << out->hca_cap.log_pg_sz) - 1); - - memset(&ctx_in, 0, sizeof(ctx_in)); - memset(&ctx_out, 0, sizeof(ctx_out)); - ctx_in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec(dev, &ctx_in, sizeof(ctx_in), - &ctx_out, sizeof(ctx_out)); - if (err) - goto out_out; - - if (ctx_out.hdr.status) - err = mlx5_cmd_status_to_err(&ctx_out.hdr); - - caps->reserved_lkey = be32_to_cpu(ctx_out.reserved_lkey); - -out_out: - kfree(out); - - return err; + return mlx5_core_get_caps(dev, caps, HCA_CAP_OPMOD_GET_CUR); } int mlx5_cmd_init_hca(struct mlx5_core_dev *dev) |