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/* 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>
#include <linux/netlink.h>
#include <linux/device.h>
#include <net/devlink.h>
struct mlxfw_dev {
const struct mlxfw_dev_ops *ops;
const char *psid;
u16 psid_size;
struct devlink *devlink;
};
static inline
struct device *mlxfw_dev_dev(struct mlxfw_dev *mlxfw_dev)
{
return devlink_to_dev(mlxfw_dev->devlink);
}
#define MLXFW_PRFX "mlxfw: "
#define mlxfw_info(mlxfw_dev, fmt, ...) \
dev_info(mlxfw_dev_dev(mlxfw_dev), MLXFW_PRFX fmt, ## __VA_ARGS__)
#define mlxfw_err(mlxfw_dev, fmt, ...) \
dev_err(mlxfw_dev_dev(mlxfw_dev), MLXFW_PRFX fmt, ## __VA_ARGS__)
#define mlxfw_dbg(mlxfw_dev, fmt, ...) \
dev_dbg(mlxfw_dev_dev(mlxfw_dev), MLXFW_PRFX fmt, ## __VA_ARGS__)
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,
};
enum mlxfw_fsm_reactivate_status {
MLXFW_FSM_REACTIVATE_STATUS_OK,
MLXFW_FSM_REACTIVATE_STATUS_BUSY,
MLXFW_FSM_REACTIVATE_STATUS_PROHIBITED_FW_VER_ERR,
MLXFW_FSM_REACTIVATE_STATUS_FIRST_PAGE_COPY_FAILED,
MLXFW_FSM_REACTIVATE_STATUS_FIRST_PAGE_ERASE_FAILED,
MLXFW_FSM_REACTIVATE_STATUS_FIRST_PAGE_RESTORE_FAILED,
MLXFW_FSM_REACTIVATE_STATUS_CANDIDATE_FW_DEACTIVATION_FAILED,
MLXFW_FSM_REACTIVATE_STATUS_FW_ALREADY_ACTIVATED,
MLXFW_FSM_REACTIVATE_STATUS_ERR_DEVICE_RESET_REQUIRED,
MLXFW_FSM_REACTIVATE_STATUS_ERR_FW_PROGRAMMING_NEEDED,
MLXFW_FSM_REACTIVATE_STATUS_MAX,
};
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_reactivate)(struct mlxfw_dev *mlxfw_dev, u8 *status);
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);
};
#if IS_REACHABLE(CONFIG_MLXFW)
int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev,
const struct firmware *firmware,
struct netlink_ext_ack *extack);
#else
static inline
int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev,
const struct firmware *firmware,
struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
#endif
#endif
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