[V1,05/11] net/mlx5/hws: read cross-vhca capabilities
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Commit Message
From: Yevgeny Kliteynik <kliteyn@nvidia.com>
And keep them for future processing.
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
---
drivers/net/mlx5/hws/mlx5dr_cmd.c | 24 ++++++++++++++++++++++++
drivers/net/mlx5/hws/mlx5dr_cmd.h | 1 +
2 files changed, 25 insertions(+)
@@ -723,6 +723,7 @@ int mlx5dr_cmd_query_caps(struct ibv_context *ctx,
uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
const struct flow_hw_port_info *port_info;
struct ibv_device_attr_ex attr_ex;
+ u32 res;
int ret;
MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
@@ -798,6 +799,23 @@ int mlx5dr_cmd_query_caps(struct ibv_context *ctx,
capability.cmd_hca_cap_2.
format_select_dw_gtpu_first_ext_dw_0);
+ /* check cross-VHCA support in cap2 */
+ res =
+ MLX5_GET(query_hca_cap_out, out,
+ capability.cmd_hca_cap_2.cross_vhca_object_to_object_supported);
+
+ caps->cross_vhca_resources = (res & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_STC_TO_TIR) &&
+ (res & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_STC_TO_FT) &&
+ (res & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_FT_TO_RTC);
+
+ res =
+ MLX5_GET(query_hca_cap_out, out,
+ capability.cmd_hca_cap_2.allowed_object_for_other_vhca_access);
+
+ caps->cross_vhca_resources &= (res & MLX5_CROSS_VHCA_ALLOWED_OBJS_TIR) &&
+ (res & MLX5_CROSS_VHCA_ALLOWED_OBJS_FT) &&
+ (res & MLX5_CROSS_VHCA_ALLOWED_OBJS_RTC);
+
MLX5_SET(query_hca_cap_in, in, op_mod,
MLX5_GET_HCA_CAP_OP_MOD_NIC_FLOW_TABLE |
MLX5_HCA_CAP_OPMOD_GET_CUR);
@@ -817,6 +835,12 @@ int mlx5dr_cmd_query_caps(struct ibv_context *ctx,
capability.flow_table_nic_cap.
flow_table_properties_nic_receive.reparse);
+ /* check cross-VHCA support in flow table properties */
+ res =
+ MLX5_GET(query_hca_cap_out, out,
+ capability.flow_table_nic_cap.flow_table_properties_nic_receive.cross_vhca_object);
+ caps->cross_vhca_resources &= res;
+
if (caps->wqe_based_update) {
MLX5_SET(query_hca_cap_in, in, op_mod,
MLX5_GET_HCA_CAP_OP_MOD_WQE_BASED_FLOW_TABLE |
@@ -163,6 +163,7 @@ struct mlx5dr_cmd_query_caps {
uint8_t sq_ts_format;
uint64_t definer_format_sup;
uint32_t trivial_match_definer;
+ bool cross_vhca_resources;
char fw_ver[64];
};