112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
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/*
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* drivers/net/ethernet/mellanox/mlxfw/mlxfw.h
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* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MLXFW_H
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#define _MLXFW_H
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#include <linux/firmware.h>
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enum mlxfw_fsm_state {
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MLXFW_FSM_STATE_IDLE,
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MLXFW_FSM_STATE_LOCKED,
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MLXFW_FSM_STATE_INITIALIZE,
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MLXFW_FSM_STATE_DOWNLOAD,
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MLXFW_FSM_STATE_VERIFY,
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MLXFW_FSM_STATE_APPLY,
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MLXFW_FSM_STATE_ACTIVATE,
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};
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enum mlxfw_fsm_state_err {
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MLXFW_FSM_STATE_ERR_OK,
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MLXFW_FSM_STATE_ERR_ERROR,
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MLXFW_FSM_STATE_ERR_REJECTED_DIGEST_ERR,
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MLXFW_FSM_STATE_ERR_REJECTED_NOT_APPLICABLE,
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MLXFW_FSM_STATE_ERR_REJECTED_UNKNOWN_KEY,
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MLXFW_FSM_STATE_ERR_REJECTED_AUTH_FAILED,
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MLXFW_FSM_STATE_ERR_REJECTED_UNSIGNED,
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MLXFW_FSM_STATE_ERR_REJECTED_KEY_NOT_APPLICABLE,
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MLXFW_FSM_STATE_ERR_REJECTED_BAD_FORMAT,
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MLXFW_FSM_STATE_ERR_BLOCKED_PENDING_RESET,
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MLXFW_FSM_STATE_ERR_MAX,
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};
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struct mlxfw_dev;
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struct mlxfw_dev_ops {
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int (*component_query)(struct mlxfw_dev *mlxfw_dev, u16 component_index,
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u32 *p_max_size, u8 *p_align_bits,
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u16 *p_max_write_size);
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int (*fsm_lock)(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle);
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int (*fsm_component_update)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
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u16 component_index, u32 component_size);
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int (*fsm_block_download)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
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u8 *data, u16 size, u32 offset);
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int (*fsm_component_verify)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
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u16 component_index);
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int (*fsm_activate)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle);
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int (*fsm_query_state)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
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enum mlxfw_fsm_state *fsm_state,
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enum mlxfw_fsm_state_err *fsm_state_err);
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void (*fsm_cancel)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle);
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void (*fsm_release)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle);
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};
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struct mlxfw_dev {
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const struct mlxfw_dev_ops *ops;
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const char *psid;
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u16 psid_size;
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};
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#if IS_REACHABLE(CONFIG_MLXFW)
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int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev,
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const struct firmware *firmware);
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#else
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static inline
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int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev,
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const struct firmware *firmware)
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{
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return -EOPNOTSUPP;
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}
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#endif
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#endif
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