diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/pci.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/pci.c | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index 7f4173c8eda3..1d1360c178bb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -1154,6 +1154,61 @@ mlxsw_pci_config_profile_swid_config(struct mlxsw_pci *mlxsw_pci, mlxsw_cmd_mbox_config_profile_swid_config_mask_set(mbox, index, mask); } +#define MLXSW_RESOURCES_TABLE_END_ID 0xffff +#define MLXSW_MAX_SPAN_ID 0x2420 +#define MLXSW_RESOURCES_QUERY_MAX_QUERIES 100 +#define MLXSW_RESOURCES_PER_QUERY 32 + +static void mlxsw_pci_resources_query_parse(int id, u64 val, + struct mlxsw_resources *resources) +{ + switch (id) { + case MLXSW_MAX_SPAN_ID: + resources->max_span = val; + resources->max_span_valid = 1; + break; + default: + break; + } +} + +static int mlxsw_pci_resources_query(struct mlxsw_pci *mlxsw_pci, char *mbox, + struct mlxsw_resources *resources, + u8 query_enabled) +{ + int index, i; + u64 data; + u16 id; + int err; + + /* Not all the versions support resources query */ + if (!query_enabled) + return 0; + + mlxsw_cmd_mbox_zero(mbox); + + for (index = 0; index < MLXSW_RESOURCES_QUERY_MAX_QUERIES; index++) { + err = mlxsw_cmd_query_resources(mlxsw_pci->core, mbox, index); + if (err) + return err; + + for (i = 0; i < MLXSW_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_RESOURCES_TABLE_END_ID) + return 0; + + mlxsw_pci_resources_query_parse(id, data, resources); + } + } + + /* 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; +} + static int mlxsw_pci_config_profile(struct mlxsw_pci *mlxsw_pci, char *mbox, const struct mlxsw_config_profile *profile) { @@ -1255,6 +1310,20 @@ static int mlxsw_pci_config_profile(struct mlxsw_pci *mlxsw_pci, char *mbox, mlxsw_cmd_mbox_config_profile_adaptive_routing_group_cap_set( mbox, profile->adaptive_routing_group_cap); } + if (profile->used_kvd_sizes) { + mlxsw_cmd_mbox_config_profile_set_kvd_linear_size_set( + mbox, 1); + mlxsw_cmd_mbox_config_profile_kvd_linear_size_set( + mbox, profile->kvd_linear_size); + mlxsw_cmd_mbox_config_profile_set_kvd_hash_single_size_set( + mbox, 1); + mlxsw_cmd_mbox_config_profile_kvd_hash_single_size_set( + mbox, profile->kvd_hash_single_size); + mlxsw_cmd_mbox_config_profile_set_kvd_hash_double_size_set( + mbox, 1); + mlxsw_cmd_mbox_config_profile_kvd_hash_double_size_set( + mbox, profile->kvd_hash_double_size); + } for (i = 0; i < MLXSW_CONFIG_PROFILE_SWID_COUNT; i++) mlxsw_pci_config_profile_swid_config(mlxsw_pci, mbox, i, @@ -1390,7 +1459,8 @@ static void mlxsw_pci_mbox_free(struct mlxsw_pci *mlxsw_pci, } static int mlxsw_pci_init(void *bus_priv, struct mlxsw_core *mlxsw_core, - const struct mlxsw_config_profile *profile) + const struct mlxsw_config_profile *profile, + struct mlxsw_resources *resources) { struct mlxsw_pci *mlxsw_pci = bus_priv; struct pci_dev *pdev = mlxsw_pci->pdev; @@ -1449,6 +1519,11 @@ static int mlxsw_pci_init(void *bus_priv, struct mlxsw_core *mlxsw_core, if (err) goto err_boardinfo; + err = mlxsw_pci_resources_query(mlxsw_pci, mbox, resources, + profile->resource_query_enable); + if (err) + goto err_query_resources; + err = mlxsw_pci_config_profile(mlxsw_pci, mbox, profile); if (err) goto err_config_profile; @@ -1471,6 +1546,7 @@ err_request_eq_irq: mlxsw_pci_aqs_fini(mlxsw_pci); err_aqs_init: err_config_profile: +err_query_resources: err_boardinfo: mlxsw_pci_fw_area_fini(mlxsw_pci); err_fw_area_init: |