| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #define ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH 120 |
| #define ETHTOOL_CMIS_CDB_CMD_PAGE 0x9F |
| #define ETHTOOL_CMIS_CDB_PAGE_I2C_ADDR 0x50 |
| |
| /** |
| * struct ethtool_cmis_cdb - CDB commands parameters |
| * @cmis_rev: CMIS revision major. |
| * @read_write_len_ext: Allowable additional number of byte octets to the LPL |
| * in a READ or a WRITE CDB commands. |
| * @max_completion_time: Maximum CDB command completion time in msec. |
| */ |
| struct ethtool_cmis_cdb { |
| u8 cmis_rev; |
| u8 read_write_len_ext; |
| u16 max_completion_time; |
| }; |
| |
| enum ethtool_cmis_cdb_cmd_id { |
| ETHTOOL_CMIS_CDB_CMD_QUERY_STATUS = 0x0000, |
| ETHTOOL_CMIS_CDB_CMD_MODULE_FEATURES = 0x0040, |
| ETHTOOL_CMIS_CDB_CMD_FW_MANAGMENT_FEATURES = 0x0041, |
| ETHTOOL_CMIS_CDB_CMD_START_FW_DOWNLOAD = 0x0101, |
| ETHTOOL_CMIS_CDB_CMD_WRITE_FW_BLOCK_LPL = 0x0103, |
| ETHTOOL_CMIS_CDB_CMD_COMPLETE_FW_DOWNLOAD = 0x0107, |
| ETHTOOL_CMIS_CDB_CMD_RUN_FW_IMAGE = 0x0109, |
| ETHTOOL_CMIS_CDB_CMD_COMMIT_FW_IMAGE = 0x010A, |
| }; |
| |
| /** |
| * struct ethtool_cmis_cdb_request - CDB commands request fields as decribed in |
| * the CMIS standard |
| * @id: Command ID. |
| * @epl_len: EPL memory length. |
| * @lpl_len: LPL memory length. |
| * @chk_code: Check code for the previous field and the payload. |
| * @resv1: Added to match the CMIS standard request continuity. |
| * @resv2: Added to match the CMIS standard request continuity. |
| * @payload: Payload for the CDB commands. |
| */ |
| struct ethtool_cmis_cdb_request { |
| __be16 id; |
| struct_group(body, |
| __be16 epl_len; |
| u8 lpl_len; |
| u8 chk_code; |
| u8 resv1; |
| u8 resv2; |
| u8 payload[ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH]; |
| ); |
| }; |
| |
| #define CDB_F_COMPLETION_VALID BIT(0) |
| #define CDB_F_STATUS_VALID BIT(1) |
| #define CDB_F_MODULE_STATE_VALID BIT(2) |
| |
| /** |
| * struct ethtool_cmis_cdb_cmd_args - CDB commands execution arguments |
| * @req: CDB command fields as described in the CMIS standard. |
| * @max_duration: Maximum duration time for command completion in msec. |
| * @read_write_len_ext: Allowable additional number of byte octets to the LPL |
| * in a READ or a WRITE commands. |
| * @msleep_pre_rpl: Waiting time before checking reply in msec. |
| * @rpl_exp_len: Expected reply length in bytes. |
| * @flags: Validation flags for CDB commands. |
| * @err_msg: Error message to be sent to user space. |
| */ |
| struct ethtool_cmis_cdb_cmd_args { |
| struct ethtool_cmis_cdb_request req; |
| u16 max_duration; |
| u8 read_write_len_ext; |
| u8 msleep_pre_rpl; |
| u8 rpl_exp_len; |
| u8 flags; |
| char *err_msg; |
| }; |
| |
| /** |
| * struct ethtool_cmis_cdb_rpl_hdr - CDB commands reply header arguments |
| * @rpl_len: Reply length. |
| * @rpl_chk_code: Reply check code. |
| */ |
| struct ethtool_cmis_cdb_rpl_hdr { |
| u8 rpl_len; |
| u8 rpl_chk_code; |
| }; |
| |
| /** |
| * struct ethtool_cmis_cdb_rpl - CDB commands reply arguments |
| * @hdr: CDB commands reply header arguments. |
| * @payload: Payload for the CDB commands reply. |
| */ |
| struct ethtool_cmis_cdb_rpl { |
| struct ethtool_cmis_cdb_rpl_hdr hdr; |
| u8 payload[ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH]; |
| }; |
| |
| u32 ethtool_cmis_get_max_payload_size(u8 num_of_byte_octs); |
| |
| void ethtool_cmis_cdb_compose_args(struct ethtool_cmis_cdb_cmd_args *args, |
| enum ethtool_cmis_cdb_cmd_id cmd, u8 *pl, |
| u8 lpl_len, u16 max_duration, |
| u8 read_write_len_ext, u16 msleep_pre_rpl, |
| u8 rpl_exp_len, u8 flags); |
| |
| void ethtool_cmis_cdb_check_completion_flag(u8 cmis_rev, u8 *flags); |
| |
| void ethtool_cmis_page_init(struct ethtool_module_eeprom *page_data, |
| u8 page, u32 offset, u32 length); |
| void ethtool_cmis_page_fini(struct ethtool_module_eeprom *page_data); |
| |
| struct ethtool_cmis_cdb * |
| ethtool_cmis_cdb_init(struct net_device *dev, |
| const struct ethtool_module_fw_flash_params *params, |
| struct ethnl_module_fw_flash_ntf_params *ntf_params); |
| void ethtool_cmis_cdb_fini(struct ethtool_cmis_cdb *cdb); |
| |
| int ethtool_cmis_wait_for_cond(struct net_device *dev, u8 flags, u8 flag, |
| u16 max_duration, u32 offset, |
| bool (*cond_success)(u8), bool (*cond_fail)(u8), u8 *state); |
| |
| int ethtool_cmis_cdb_execute_cmd(struct net_device *dev, |
| struct ethtool_cmis_cdb_cmd_args *args); |