/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /* Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved */ #ifndef _MLXFW_H #define _MLXFW_H #include <linux/firmware.h> enum mlxfw_fsm_state { MLXFW_FSM_STATE_IDLE, MLXFW_FSM_STATE_LOCKED, MLXFW_FSM_STATE_INITIALIZE, MLXFW_FSM_STATE_DOWNLOAD, MLXFW_FSM_STATE_VERIFY, MLXFW_FSM_STATE_APPLY, MLXFW_FSM_STATE_ACTIVATE, }; enum mlxfw_fsm_state_err { MLXFW_FSM_STATE_ERR_OK, MLXFW_FSM_STATE_ERR_ERROR, MLXFW_FSM_STATE_ERR_REJECTED_DIGEST_ERR, MLXFW_FSM_STATE_ERR_REJECTED_NOT_APPLICABLE, MLXFW_FSM_STATE_ERR_REJECTED_UNKNOWN_KEY, MLXFW_FSM_STATE_ERR_REJECTED_AUTH_FAILED, MLXFW_FSM_STATE_ERR_REJECTED_UNSIGNED, MLXFW_FSM_STATE_ERR_REJECTED_KEY_NOT_APPLICABLE, MLXFW_FSM_STATE_ERR_REJECTED_BAD_FORMAT, MLXFW_FSM_STATE_ERR_BLOCKED_PENDING_RESET, MLXFW_FSM_STATE_ERR_MAX, }; struct mlxfw_dev; struct mlxfw_dev_ops { int (*component_query)(struct mlxfw_dev *mlxfw_dev, u16 component_index, u32 *p_max_size, u8 *p_align_bits, u16 *p_max_write_size); int (*fsm_lock)(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle); int (*fsm_component_update)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, u16 component_index, u32 component_size); int (*fsm_block_download)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, u8 *data, u16 size, u32 offset); int (*fsm_component_verify)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, u16 component_index); int (*fsm_activate)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle); int (*fsm_query_state)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, enum mlxfw_fsm_state *fsm_state, enum mlxfw_fsm_state_err *fsm_state_err); void (*fsm_cancel)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle); void (*fsm_release)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle); }; struct mlxfw_dev { const struct mlxfw_dev_ops *ops; const char *psid; u16 psid_size; }; #if IS_REACHABLE(CONFIG_MLXFW) int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev, const struct firmware *firmware); #else static inline int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev, const struct firmware *firmware) { return -EOPNOTSUPP; } #endif #endif