diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index b505d3858235..d23d53c0e284 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1917,6 +1917,43 @@ void mlxsw_core_fw_flash_end(struct mlxsw_core *mlxsw_core) } EXPORT_SYMBOL(mlxsw_core_fw_flash_end); +int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, + struct mlxsw_res *res) +{ + int index, i; + u64 data; + u16 id; + int err; + + if (!res) + return 0; + + mlxsw_cmd_mbox_zero(mbox); + + for (index = 0; index < MLXSW_CMD_QUERY_RESOURCES_MAX_QUERIES; + index++) { + err = mlxsw_cmd_query_resources(mlxsw_core, mbox, index); + if (err) + return err; + + for (i = 0; i < MLXSW_CMD_QUERY_RESOURCES_PER_QUERY; i++) { + id = mlxsw_cmd_mbox_query_resource_id_get(mbox, i); + data = mlxsw_cmd_mbox_query_resource_data_get(mbox, i); + + if (id == MLXSW_CMD_QUERY_RESOURCES_TABLE_END_ID) + return 0; + + mlxsw_res_parse(res, id, data); + } + } + + /* If after MLXSW_RESOURCES_QUERY_MAX_QUERIES we still didn't get + * MLXSW_RESOURCES_TABLE_END_ID, something went bad in the FW. + */ + return -EIO; +} +EXPORT_SYMBOL(mlxsw_core_resources_query); + static int __init mlxsw_core_module_init(void) { int err; |