1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2 /* Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved */ 3 4 #ifndef _MLXFW_H 5 #define _MLXFW_H 6 7 #include <linux/firmware.h> 8 #include <linux/netlink.h> 9 #include <linux/device.h> 10 #include <net/devlink.h> 11 12 struct mlxfw_dev { 13 const struct mlxfw_dev_ops *ops; 14 const char *psid; 15 u16 psid_size; 16 struct devlink *devlink; 17 }; 18 19 static inline mlxfw_dev_dev(struct mlxfw_dev * mlxfw_dev)20 struct device *mlxfw_dev_dev(struct mlxfw_dev *mlxfw_dev) 21 { 22 return devlink_to_dev(mlxfw_dev->devlink); 23 } 24 25 #define MLXFW_PRFX "mlxfw: " 26 27 #define mlxfw_info(mlxfw_dev, fmt, ...) \ 28 dev_info(mlxfw_dev_dev(mlxfw_dev), MLXFW_PRFX fmt, ## __VA_ARGS__) 29 #define mlxfw_err(mlxfw_dev, fmt, ...) \ 30 dev_err(mlxfw_dev_dev(mlxfw_dev), MLXFW_PRFX fmt, ## __VA_ARGS__) 31 #define mlxfw_dbg(mlxfw_dev, fmt, ...) \ 32 dev_dbg(mlxfw_dev_dev(mlxfw_dev), MLXFW_PRFX fmt, ## __VA_ARGS__) 33 34 enum mlxfw_fsm_state { 35 MLXFW_FSM_STATE_IDLE, 36 MLXFW_FSM_STATE_LOCKED, 37 MLXFW_FSM_STATE_INITIALIZE, 38 MLXFW_FSM_STATE_DOWNLOAD, 39 MLXFW_FSM_STATE_VERIFY, 40 MLXFW_FSM_STATE_APPLY, 41 MLXFW_FSM_STATE_ACTIVATE, 42 }; 43 44 enum mlxfw_fsm_state_err { 45 MLXFW_FSM_STATE_ERR_OK, 46 MLXFW_FSM_STATE_ERR_ERROR, 47 MLXFW_FSM_STATE_ERR_REJECTED_DIGEST_ERR, 48 MLXFW_FSM_STATE_ERR_REJECTED_NOT_APPLICABLE, 49 MLXFW_FSM_STATE_ERR_REJECTED_UNKNOWN_KEY, 50 MLXFW_FSM_STATE_ERR_REJECTED_AUTH_FAILED, 51 MLXFW_FSM_STATE_ERR_REJECTED_UNSIGNED, 52 MLXFW_FSM_STATE_ERR_REJECTED_KEY_NOT_APPLICABLE, 53 MLXFW_FSM_STATE_ERR_REJECTED_BAD_FORMAT, 54 MLXFW_FSM_STATE_ERR_BLOCKED_PENDING_RESET, 55 MLXFW_FSM_STATE_ERR_MAX, 56 }; 57 58 enum mlxfw_fsm_reactivate_status { 59 MLXFW_FSM_REACTIVATE_STATUS_OK, 60 MLXFW_FSM_REACTIVATE_STATUS_BUSY, 61 MLXFW_FSM_REACTIVATE_STATUS_PROHIBITED_FW_VER_ERR, 62 MLXFW_FSM_REACTIVATE_STATUS_FIRST_PAGE_COPY_FAILED, 63 MLXFW_FSM_REACTIVATE_STATUS_FIRST_PAGE_ERASE_FAILED, 64 MLXFW_FSM_REACTIVATE_STATUS_FIRST_PAGE_RESTORE_FAILED, 65 MLXFW_FSM_REACTIVATE_STATUS_CANDIDATE_FW_DEACTIVATION_FAILED, 66 MLXFW_FSM_REACTIVATE_STATUS_FW_ALREADY_ACTIVATED, 67 MLXFW_FSM_REACTIVATE_STATUS_ERR_DEVICE_RESET_REQUIRED, 68 MLXFW_FSM_REACTIVATE_STATUS_ERR_FW_PROGRAMMING_NEEDED, 69 MLXFW_FSM_REACTIVATE_STATUS_MAX, 70 }; 71 72 struct mlxfw_dev_ops { 73 int (*component_query)(struct mlxfw_dev *mlxfw_dev, u16 component_index, 74 u32 *p_max_size, u8 *p_align_bits, 75 u16 *p_max_write_size); 76 77 int (*fsm_lock)(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle); 78 79 int (*fsm_component_update)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, 80 u16 component_index, u32 component_size); 81 82 int (*fsm_block_download)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, 83 u8 *data, u16 size, u32 offset); 84 85 int (*fsm_component_verify)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, 86 u16 component_index); 87 88 int (*fsm_activate)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle); 89 90 int (*fsm_reactivate)(struct mlxfw_dev *mlxfw_dev, u8 *status); 91 92 int (*fsm_query_state)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, 93 enum mlxfw_fsm_state *fsm_state, 94 enum mlxfw_fsm_state_err *fsm_state_err); 95 96 void (*fsm_cancel)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle); 97 98 void (*fsm_release)(struct mlxfw_dev *mlxfw_dev, u32 fwhandle); 99 }; 100 101 #if IS_REACHABLE(CONFIG_MLXFW) 102 int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev, 103 const struct firmware *firmware, 104 struct netlink_ext_ack *extack); 105 #else 106 static inline mlxfw_firmware_flash(struct mlxfw_dev * mlxfw_dev,const struct firmware * firmware,struct netlink_ext_ack * extack)107 int mlxfw_firmware_flash(struct mlxfw_dev *mlxfw_dev, 108 const struct firmware *firmware, 109 struct netlink_ext_ack *extack) 110 { 111 return -EOPNOTSUPP; 112 } 113 #endif 114 115 #endif 116