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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c166
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)