diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 8a165bbfcedc..b533a53090f2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -68,6 +68,7 @@ #include "txheader.h" #include "spectrum_cnt.h" #include "spectrum_dpipe.h" +#include "../mlxfw/mlxfw.h" static const char mlxsw_sp_driver_name[] = "mlxsw_spectrum"; static const char mlxsw_sp_driver_version[] = "1.0"; @@ -140,6 +141,171 @@ MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16); */ MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); +struct mlxsw_sp_mlxfw_dev { + struct mlxfw_dev mlxfw_dev; + struct mlxsw_sp *mlxsw_sp; +}; + +static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev, + u16 component_index, u32 *p_max_size, + u8 *p_align_bits, u16 *p_max_write_size) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcqi_pl[MLXSW_REG_MCQI_LEN]; + int err; + + mlxsw_reg_mcqi_pack(mcqi_pl, component_index); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl); + if (err) + return err; + mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits, + p_max_write_size); + + *p_align_bits = max_t(u8, *p_align_bits, 2); + *p_max_write_size = min_t(u16, *p_max_write_size, + MLXSW_REG_MCDA_MAX_DATA_LEN); + return 0; +} + +static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + u8 control_state; + int err; + + mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); + if (err) + return err; + + mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state); + if (control_state != MLXFW_FSM_STATE_IDLE) + return -EBUSY; + + mlxsw_reg_mcc_pack(mcc_pl, + MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE, + 0, *fwhandle, 0); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev, + u32 fwhandle, u16 component_index, + u32 component_size) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + + mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT, + component_index, fwhandle, component_size); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev, + u32 fwhandle, u8 *data, u16 size, + u32 offset) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcda_pl[MLXSW_REG_MCDA_LEN]; + + mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl); +} + +static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev, + u32 fwhandle, u16 component_index) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + + mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT, + component_index, fwhandle, 0); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + + mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0, + fwhandle, 0); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, + enum mlxfw_fsm_state *fsm_state, + enum mlxfw_fsm_state_err *fsm_state_err) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + u8 control_state; + u8 error_code; + int err; + + mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); + if (err) + return err; + + mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state); + *fsm_state = control_state; + *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code, + MLXFW_FSM_STATE_ERR_MAX); + return 0; +} + +static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + + mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0, + fwhandle, 0); + mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); +} + +static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) +{ + struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = + container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; + char mcc_pl[MLXSW_REG_MCC_LEN]; + + mlxsw_reg_mcc_pack(mcc_pl, + MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0, + fwhandle, 0); + mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); +} + +static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = { + .component_query = mlxsw_sp_component_query, + .fsm_lock = mlxsw_sp_fsm_lock, + .fsm_component_update = mlxsw_sp_fsm_component_update, + .fsm_block_download = mlxsw_sp_fsm_block_download, + .fsm_component_verify = mlxsw_sp_fsm_component_verify, + .fsm_activate = mlxsw_sp_fsm_activate, + .fsm_query_state = mlxsw_sp_fsm_query_state, + .fsm_cancel = mlxsw_sp_fsm_cancel, + .fsm_release = mlxsw_sp_fsm_release +}; + int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index, u64 *packets, u64 *bytes) |