diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 642 |
1 files changed, 609 insertions, 33 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index ec45a03140d7..7f77c2a71d1c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -20,11 +20,13 @@ #include <linux/rcupdate.h> #include <linux/slab.h> #include <linux/workqueue.h> +#include <linux/firmware.h> #include <asm/byteorder.h> #include <net/devlink.h> #include <trace/events/devlink.h> #include "core.h" +#include "core_env.h" #include "item.h" #include "cmd.h" #include "port.h" @@ -32,6 +34,7 @@ #include "emad.h" #include "reg.h" #include "resources.h" +#include "../mlxfw/mlxfw.h" static LIST_HEAD(mlxsw_core_driver_list); static DEFINE_SPINLOCK(mlxsw_core_driver_list_lock); @@ -82,6 +85,11 @@ struct mlxsw_core { struct mlxsw_core_port *ports; unsigned int max_ports; bool fw_flash_in_progress; + struct { + struct devlink_health_reporter *fw_fatal; + } health; + struct mlxsw_env *env; + bool is_initialized; /* Denotes if core was already initialized. */ unsigned long driver_priv[]; /* driver_priv has to be always the last item */ }; @@ -128,6 +136,11 @@ bool mlxsw_core_res_query_enabled(const struct mlxsw_core *mlxsw_core) } EXPORT_SYMBOL(mlxsw_core_res_query_enabled); +bool mlxsw_core_temp_warn_enabled(const struct mlxsw_core *mlxsw_core) +{ + return mlxsw_core->driver->temp_warn_enabled; +} + bool mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, const struct mlxsw_fw_rev *req_rev) @@ -864,6 +877,294 @@ static struct mlxsw_driver *mlxsw_core_driver_get(const char *kind) return mlxsw_driver; } +struct mlxsw_core_fw_info { + struct mlxfw_dev mlxfw_dev; + struct mlxsw_core *mlxsw_core; +}; + +static int mlxsw_core_fw_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_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + char mcqi_pl[MLXSW_REG_MCQI_LEN]; + int err; + + mlxsw_reg_mcqi_pack(mcqi_pl, component_index); + err = mlxsw_reg_query(mlxsw_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_core_fw_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_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_core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_core_fw_fsm_component_update(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, + u16 component_index, u32 component_size) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_core_fw_fsm_block_download(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, + u8 *data, u16 size, u32 offset) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + char mcda_pl[MLXSW_REG_MCDA_LEN]; + + mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data); + return mlxsw_reg_write(mlxsw_core, MLXSW_REG(mcda), mcda_pl); +} + +static int mlxsw_core_fw_fsm_component_verify(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, + u16 component_index) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_core_fw_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_core, MLXSW_REG(mcc), mcc_pl); +} + +static int mlxsw_core_fw_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_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_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_core_fw_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_core, MLXSW_REG(mcc), mcc_pl); +} + +static void mlxsw_core_fw_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) +{ + struct mlxsw_core_fw_info *mlxsw_core_fw_info = + container_of(mlxfw_dev, struct mlxsw_core_fw_info, mlxfw_dev); + struct mlxsw_core *mlxsw_core = mlxsw_core_fw_info->mlxsw_core; + 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_core, MLXSW_REG(mcc), mcc_pl); +} + +static const struct mlxfw_dev_ops mlxsw_core_fw_mlxsw_dev_ops = { + .component_query = mlxsw_core_fw_component_query, + .fsm_lock = mlxsw_core_fw_fsm_lock, + .fsm_component_update = mlxsw_core_fw_fsm_component_update, + .fsm_block_download = mlxsw_core_fw_fsm_block_download, + .fsm_component_verify = mlxsw_core_fw_fsm_component_verify, + .fsm_activate = mlxsw_core_fw_fsm_activate, + .fsm_query_state = mlxsw_core_fw_fsm_query_state, + .fsm_cancel = mlxsw_core_fw_fsm_cancel, + .fsm_release = mlxsw_core_fw_fsm_release, +}; + +static int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core, const struct firmware *firmware, + struct netlink_ext_ack *extack) +{ + struct mlxsw_core_fw_info mlxsw_core_fw_info = { + .mlxfw_dev = { + .ops = &mlxsw_core_fw_mlxsw_dev_ops, + .psid = mlxsw_core->bus_info->psid, + .psid_size = strlen(mlxsw_core->bus_info->psid), + .devlink = priv_to_devlink(mlxsw_core), + }, + .mlxsw_core = mlxsw_core + }; + int err; + + mlxsw_core->fw_flash_in_progress = true; + err = mlxfw_firmware_flash(&mlxsw_core_fw_info.mlxfw_dev, firmware, extack); + mlxsw_core->fw_flash_in_progress = false; + + return err; +} + +static int mlxsw_core_fw_rev_validate(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + const struct mlxsw_fw_rev *req_rev, + const char *filename) +{ + const struct mlxsw_fw_rev *rev = &mlxsw_bus_info->fw_rev; + union devlink_param_value value; + const struct firmware *firmware; + int err; + + /* Don't check if driver does not require it */ + if (!req_rev || !filename) + return 0; + + /* Don't check if devlink 'fw_load_policy' param is 'flash' */ + err = devlink_param_driverinit_value_get(priv_to_devlink(mlxsw_core), + DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, + &value); + if (err) + return err; + if (value.vu8 == DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH) + return 0; + + /* Validate driver & FW are compatible */ + if (rev->major != req_rev->major) { + WARN(1, "Mismatch in major FW version [%d:%d] is never expected; Please contact support\n", + rev->major, req_rev->major); + return -EINVAL; + } + if (mlxsw_core_fw_rev_minor_subminor_validate(rev, req_rev)) + return 0; + + dev_err(mlxsw_bus_info->dev, "The firmware version %d.%d.%d is incompatible with the driver (required >= %d.%d.%d)\n", + rev->major, rev->minor, rev->subminor, req_rev->major, + req_rev->minor, req_rev->subminor); + dev_info(mlxsw_bus_info->dev, "Flashing firmware using file %s\n", filename); + + err = request_firmware_direct(&firmware, filename, mlxsw_bus_info->dev); + if (err) { + dev_err(mlxsw_bus_info->dev, "Could not request firmware file %s\n", filename); + return err; + } + + err = mlxsw_core_fw_flash(mlxsw_core, firmware, NULL); + release_firmware(firmware); + if (err) + dev_err(mlxsw_bus_info->dev, "Could not upgrade firmware\n"); + + /* On FW flash success, tell the caller FW reset is needed + * if current FW supports it. + */ + if (rev->minor >= req_rev->can_reset_minor) + return err ? err : -EAGAIN; + else + return 0; +} + +static int mlxsw_core_fw_flash_update(struct mlxsw_core *mlxsw_core, + struct devlink_flash_update_params *params, + struct netlink_ext_ack *extack) +{ + const struct firmware *firmware; + int err; + + err = request_firmware_direct(&firmware, params->file_name, mlxsw_core->bus_info->dev); + if (err) + return err; + err = mlxsw_core_fw_flash(mlxsw_core, firmware, extack); + release_firmware(firmware); + + return err; +} + +static int mlxsw_core_devlink_param_fw_load_policy_validate(struct devlink *devlink, u32 id, + union devlink_param_value val, + struct netlink_ext_ack *extack) +{ + if (val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER && + val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH) { + NL_SET_ERR_MSG_MOD(extack, "'fw_load_policy' must be 'driver' or 'flash'"); + return -EINVAL; + } + + return 0; +} + +static const struct devlink_param mlxsw_core_fw_devlink_params[] = { + DEVLINK_PARAM_GENERIC(FW_LOAD_POLICY, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), NULL, NULL, + mlxsw_core_devlink_param_fw_load_policy_validate), +}; + +static int mlxsw_core_fw_params_register(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + union devlink_param_value value; + int err; + + err = devlink_params_register(devlink, mlxsw_core_fw_devlink_params, + ARRAY_SIZE(mlxsw_core_fw_devlink_params)); + if (err) + return err; + + value.vu8 = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER; + devlink_param_driverinit_value_set(devlink, DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, value); + return 0; +} + +static void mlxsw_core_fw_params_unregister(struct mlxsw_core *mlxsw_core) +{ + devlink_params_unregister(priv_to_devlink(mlxsw_core), mlxsw_core_fw_devlink_params, + ARRAY_SIZE(mlxsw_core_fw_devlink_params)); +} + static int mlxsw_devlink_port_split(struct devlink *devlink, unsigned int port_index, unsigned int count, @@ -1113,7 +1414,8 @@ mlxsw_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, static int mlxsw_devlink_core_bus_device_reload_down(struct devlink *devlink, - bool netns_change, + bool netns_change, enum devlink_reload_action action, + enum devlink_reload_limit limit, struct netlink_ext_ack *extack) { struct mlxsw_core *mlxsw_core = devlink_priv(devlink); @@ -1126,11 +1428,14 @@ mlxsw_devlink_core_bus_device_reload_down(struct devlink *devlink, } static int -mlxsw_devlink_core_bus_device_reload_up(struct devlink *devlink, +mlxsw_devlink_core_bus_device_reload_up(struct devlink *devlink, enum devlink_reload_action action, + enum devlink_reload_limit limit, u32 *actions_performed, struct netlink_ext_ack *extack) { struct mlxsw_core *mlxsw_core = devlink_priv(devlink); + *actions_performed = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT) | + BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE); return mlxsw_core_bus_device_register(mlxsw_core->bus_info, mlxsw_core->bus, mlxsw_core->bus_priv, true, @@ -1138,17 +1443,12 @@ mlxsw_devlink_core_bus_device_reload_up(struct devlink *devlink, } static int mlxsw_devlink_flash_update(struct devlink *devlink, - const char *file_name, - const char *component, + struct devlink_flash_update_params *params, struct netlink_ext_ack *extack) { struct mlxsw_core *mlxsw_core = devlink_priv(devlink); - struct mlxsw_driver *mlxsw_driver = mlxsw_core->driver; - if (!mlxsw_driver->flash_update) - return -EOPNOTSUPP; - return mlxsw_driver->flash_update(mlxsw_core, file_name, - component, extack); + return mlxsw_core_fw_flash_update(mlxsw_core, params, extack); } static int mlxsw_devlink_trap_init(struct devlink *devlink, @@ -1268,6 +1568,8 @@ mlxsw_devlink_trap_policer_counter_get(struct devlink *devlink, } static const struct devlink_ops mlxsw_devlink_ops = { + .reload_actions = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT) | + BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE), .reload_down = mlxsw_devlink_core_bus_device_reload_down, .reload_up = mlxsw_devlink_core_bus_device_reload_up, .port_type_set = mlxsw_devlink_port_type_set, @@ -1296,6 +1598,263 @@ static const struct devlink_ops mlxsw_devlink_ops = { .trap_policer_counter_get = mlxsw_devlink_trap_policer_counter_get, }; +static int mlxsw_core_params_register(struct mlxsw_core *mlxsw_core) +{ + int err; + + err = mlxsw_core_fw_params_register(mlxsw_core); + if (err) + return err; + + if (mlxsw_core->driver->params_register) { + err = mlxsw_core->driver->params_register(mlxsw_core); + if (err) + goto err_params_register; + } + return 0; + +err_params_register: + mlxsw_core_fw_params_unregister(mlxsw_core); + return err; +} + +static void mlxsw_core_params_unregister(struct mlxsw_core *mlxsw_core) +{ + mlxsw_core_fw_params_unregister(mlxsw_core); + if (mlxsw_core->driver->params_register) + mlxsw_core->driver->params_unregister(mlxsw_core); +} + +struct mlxsw_core_health_event { + struct mlxsw_core *mlxsw_core; + char mfde_pl[MLXSW_REG_MFDE_LEN]; + struct work_struct work; +}; + +static void mlxsw_core_health_event_work(struct work_struct *work) +{ + struct mlxsw_core_health_event *event; + struct mlxsw_core *mlxsw_core; + + event = container_of(work, struct mlxsw_core_health_event, work); + mlxsw_core = event->mlxsw_core; + devlink_health_report(mlxsw_core->health.fw_fatal, "FW fatal event occurred", + event->mfde_pl); + kfree(event); +} + +static void mlxsw_core_health_listener_func(const struct mlxsw_reg_info *reg, + char *mfde_pl, void *priv) +{ + struct mlxsw_core_health_event *event; + struct mlxsw_core *mlxsw_core = priv; + + event = kmalloc(sizeof(*event), GFP_ATOMIC); + if (!event) + return; + event->mlxsw_core = mlxsw_core; + memcpy(event->mfde_pl, mfde_pl, sizeof(event->mfde_pl)); + INIT_WORK(&event->work, mlxsw_core_health_event_work); + mlxsw_core_schedule_work(&event->work); +} + +static const struct mlxsw_listener mlxsw_core_health_listener = + MLXSW_EVENTL(mlxsw_core_health_listener_func, MFDE, MFDE); + +static int mlxsw_core_health_fw_fatal_dump(struct devlink_health_reporter *reporter, + struct devlink_fmsg *fmsg, void *priv_ctx, + struct netlink_ext_ack *extack) +{ + char *mfde_pl = priv_ctx; + char *val_str; + u8 event_id; + u32 val; + int err; + + if (!priv_ctx) + /* User-triggered dumps are not possible */ + return -EOPNOTSUPP; + + val = mlxsw_reg_mfde_irisc_id_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "irisc_id", val); + if (err) + return err; + err = devlink_fmsg_arr_pair_nest_start(fmsg, "event"); + if (err) + return err; + + event_id = mlxsw_reg_mfde_event_id_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "id", event_id); + if (err) + return err; + switch (event_id) { + case MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO: + val_str = "CR space timeout"; + break; + case MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP: + val_str = "KVD insertion machine stopped"; + break; + default: + val_str = NULL; + } + if (val_str) { + err = devlink_fmsg_string_pair_put(fmsg, "desc", val_str); + if (err) + return err; + } + err = devlink_fmsg_arr_pair_nest_end(fmsg); + if (err) + return err; + + val = mlxsw_reg_mfde_method_get(mfde_pl); + switch (val) { + case MLXSW_REG_MFDE_METHOD_QUERY: + val_str = "query"; + break; + case MLXSW_REG_MFDE_METHOD_WRITE: + val_str = "write"; + break; + default: + val_str = NULL; + } + if (val_str) { + err = devlink_fmsg_string_pair_put(fmsg, "method", val_str); + if (err) + return err; + } + + val = mlxsw_reg_mfde_long_process_get(mfde_pl); + err = devlink_fmsg_bool_pair_put(fmsg, "long_process", val); + if (err) + return err; + + val = mlxsw_reg_mfde_command_type_get(mfde_pl); + switch (val) { + case MLXSW_REG_MFDE_COMMAND_TYPE_MAD: + val_str = "mad"; + break; + case MLXSW_REG_MFDE_COMMAND_TYPE_EMAD: + val_str = "emad"; + break; + case MLXSW_REG_MFDE_COMMAND_TYPE_CMDIF: + val_str = "cmdif"; + break; + default: + val_str = NULL; + } + if (val_str) { + err = devlink_fmsg_string_pair_put(fmsg, "command_type", val_str); + if (err) + return err; + } + + val = mlxsw_reg_mfde_reg_attr_id_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "reg_attr_id", val); + if (err) + return err; + + if (event_id == MLXSW_REG_MFDE_EVENT_ID_CRSPACE_TO) { + val = mlxsw_reg_mfde_log_address_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "log_address", val); + if (err) + return err; + val = mlxsw_reg_mfde_log_id_get(mfde_pl); + err = devlink_fmsg_u8_pair_put(fmsg, "log_irisc_id", val); + if (err) + return err; + } else if (event_id == MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP) { + val = mlxsw_reg_mfde_pipes_mask_get(mfde_pl); + err = devlink_fmsg_u32_pair_put(fmsg, "pipes_mask", val); + if (err) + return err; + } + + return 0; +} + +static int +mlxsw_core_health_fw_fatal_test(struct devlink_health_reporter *reporter, + struct netlink_ext_ack *extack) +{ + struct mlxsw_core *mlxsw_core = devlink_health_reporter_priv(reporter); + char mfgd_pl[MLXSW_REG_MFGD_LEN]; + int err; + + /* Read the register first to make sure no other bits are changed. */ + err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(mfgd), mfgd_pl); + if (err) + return err; + mlxsw_reg_mfgd_trigger_test_set(mfgd_pl, true); + return mlxsw_reg_write(mlxsw_core, MLXSW_REG(mfgd), mfgd_pl); +} + +static const struct devlink_health_reporter_ops +mlxsw_core_health_fw_fatal_ops = { + .name = "fw_fatal", + .dump = mlxsw_core_health_fw_fatal_dump, + .test = mlxsw_core_health_fw_fatal_test, +}; + +static int mlxsw_core_health_fw_fatal_config(struct mlxsw_core *mlxsw_core, + bool enable) +{ + char mfgd_pl[MLXSW_REG_MFGD_LEN]; + int err; + + /* Read the register first to make sure no other bits are changed. */ + err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(mfgd), mfgd_pl); + if (err) + return err; + mlxsw_reg_mfgd_fatal_event_mode_set(mfgd_pl, enable); + return mlxsw_reg_write(mlxsw_core, MLXSW_REG(mfgd), mfgd_pl); +} + +static int mlxsw_core_health_init(struct mlxsw_core *mlxsw_core) +{ + struct devlink *devlink = priv_to_devlink(mlxsw_core); + struct devlink_health_reporter *fw_fatal; + int err; + + if (!mlxsw_core->driver->fw_fatal_enabled) + return 0; + + fw_fatal = devlink_health_reporter_create(devlink, &mlxsw_core_health_fw_fatal_ops, + 0, mlxsw_core); + if (IS_ERR(fw_fatal)) { + dev_err(mlxsw_core->bus_info->dev, "Failed to create fw fatal reporter"); + return PTR_ERR(fw_fatal); + } + mlxsw_core->health.fw_fatal = fw_fatal; + + err = mlxsw_core_trap_register(mlxsw_core, &mlxsw_core_health_listener, mlxsw_core); + if (err) + goto err_trap_register; + + err = mlxsw_core_health_fw_fatal_config(mlxsw_core, true); + if (err) + goto err_fw_fatal_config; + + return 0; + +err_fw_fatal_config: + mlxsw_core_trap_unregister(mlxsw_core, &mlxsw_core_health_listener, mlxsw_core); +err_trap_register: + devlink_health_reporter_destroy(mlxsw_core->health.fw_fatal); + return err; +} + +static void mlxsw_core_health_fini(struct mlxsw_core *mlxsw_core) +{ + if (!mlxsw_core->driver->fw_fatal_enabled) + return; + + mlxsw_core_health_fw_fatal_config(mlxsw_core, false); + mlxsw_core_trap_unregister(mlxsw_core, &mlxsw_core_health_listener, mlxsw_core); + /* Make sure there is no more event work scheduled */ + mlxsw_core_flush_owq(); + devlink_health_reporter_destroy(mlxsw_core->health.fw_fatal); +} + static int __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, const struct mlxsw_bus *mlxsw_bus, @@ -1368,12 +1927,21 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, goto err_devlink_register; } - if (mlxsw_driver->params_register && !reload) { - err = mlxsw_driver->params_register(mlxsw_core); + if (!reload) { + err = mlxsw_core_params_register(mlxsw_core); if (err) goto err_register_params; } + err = mlxsw_core_fw_rev_validate(mlxsw_core, mlxsw_bus_info, mlxsw_driver->fw_req_rev, + mlxsw_driver->fw_filename); + if (err) + goto err_fw_rev_validate; + + err = mlxsw_core_health_init(mlxsw_core); + if (err) + goto err_health_init; + if (mlxsw_driver->init) { err = mlxsw_driver->init(mlxsw_core, mlxsw_bus_info, extack); if (err) @@ -1389,22 +1957,31 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, if (err) goto err_thermal_init; - if (mlxsw_driver->params_register) - devlink_params_publish(devlink); + err = mlxsw_env_init(mlxsw_core, &mlxsw_core->env); + if (err) + goto err_env_init; + + mlxsw_core->is_initialized = true; + devlink_params_publish(devlink); if (!reload) devlink_reload_enable(devlink); return 0; +err_env_init: + mlxsw_thermal_fini(mlxsw_core->thermal); err_thermal_init: mlxsw_hwmon_fini(mlxsw_core->hwmon); err_hwmon_init: if (mlxsw_core->driver->fini) mlxsw_core->driver->fini(mlxsw_core); err_driver_init: - if (mlxsw_driver->params_unregister && !reload) - mlxsw_driver->params_unregister(mlxsw_core); + mlxsw_core_health_fini(mlxsw_core); +err_health_init: +err_fw_rev_validate: + if (!reload) + mlxsw_core_params_unregister(mlxsw_core); err_register_params: if (!reload) devlink_unregister(devlink); @@ -1469,14 +2046,16 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, return; } - if (mlxsw_core->driver->params_unregister) - devlink_params_unpublish(devlink); + devlink_params_unpublish(devlink); + mlxsw_core->is_initialized = false; + mlxsw_env_fini(mlxsw_core->env); mlxsw_thermal_fini(mlxsw_core->thermal); mlxsw_hwmon_fini(mlxsw_core->hwmon); if (mlxsw_core->driver->fini) mlxsw_core->driver->fini(mlxsw_core); - if (mlxsw_core->driver->params_unregister && !reload) - mlxsw_core->driver->params_unregister(mlxsw_core); + mlxsw_core_health_fini(mlxsw_core); + if (!reload) + mlxsw_core_params_unregister(mlxsw_core); if (!reload) devlink_unregister(devlink); mlxsw_emad_fini(mlxsw_core); @@ -1489,8 +2068,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, return; reload_fail_deinit: - if (mlxsw_core->driver->params_unregister) - mlxsw_core->driver->params_unregister(mlxsw_core); + mlxsw_core_params_unregister(mlxsw_core); devlink_unregister(devlink); devlink_resources_unregister(devlink, NULL); devlink_free(devlink); @@ -2274,6 +2852,16 @@ mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, } EXPORT_SYMBOL(mlxsw_core_port_devlink_port_get); +struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core) +{ + return mlxsw_core->env; +} + +bool mlxsw_core_is_initialized(const struct mlxsw_core *mlxsw_core) +{ + return mlxsw_core->is_initialized; +} + int mlxsw_core_module_max_width(struct mlxsw_core *mlxsw_core, u8 module) { enum mlxsw_reg_pmtm_module_type module_type; @@ -2410,18 +2998,6 @@ int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, } EXPORT_SYMBOL(mlxsw_core_kvd_sizes_get); -void mlxsw_core_fw_flash_start(struct mlxsw_core *mlxsw_core) -{ - mlxsw_core->fw_flash_in_progress = true; -} -EXPORT_SYMBOL(mlxsw_core_fw_flash_start); - -void mlxsw_core_fw_flash_end(struct mlxsw_core *mlxsw_core) -{ - mlxsw_core->fw_flash_in_progress = false; -} -EXPORT_SYMBOL(mlxsw_core_fw_flash_end); - int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, struct mlxsw_res *res) { |