diff options
| author | Vadim Pasternak <vadimp@mellanox.com> | 2019-03-03 09:12:11 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-03 22:23:00 -0800 |
| commit | e5ba7803baea3dda36251ed2e2f55b884b0e18fa (patch) | |
| tree | 4234662eccbccedb2c57fc966c60df8d28d65cf8 /drivers/net/ethernet/mellanox/mlxsw/core.c | |
| parent | c100e47caa8efe818f92c55f50933632f0af0e93 (diff) | |
mlxsw: core: Move resource query API to common location
Move mlxsw_pci_resources_query() to a common location to allow reuse by
the different drivers and over all the supported physical buses. Rename
it to mlxsw_core_resources_query().
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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; |