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1/* SPDX-License-Identifier: GPL-2.0-only */2/****************************************************************************3 * Driver for Solarflare network controllers and boards4 * Copyright 2008-2013 Solarflare Communications Inc.5 */6 7#ifndef EFX_MCDI_H8#define EFX_MCDI_H9 10/**11 * enum efx_mcdi_state - MCDI request handling state12 * @MCDI_STATE_QUIESCENT: No pending MCDI requests. If the caller holds the13 * mcdi @iface_lock then they are able to move to %MCDI_STATE_RUNNING14 * @MCDI_STATE_RUNNING_SYNC: There is a synchronous MCDI request pending.15 * Only the thread that moved into this state is allowed to move out of it.16 * @MCDI_STATE_RUNNING_ASYNC: There is an asynchronous MCDI request pending.17 * @MCDI_STATE_PROXY_WAIT: An MCDI request has completed with a response that18 * indicates we must wait for a proxy try again message.19 * @MCDI_STATE_COMPLETED: An MCDI request has completed, but the owning thread20 * has not yet consumed the result. For all other threads, equivalent to21 * %MCDI_STATE_RUNNING.22 */23enum efx_mcdi_state {24 MCDI_STATE_QUIESCENT,25 MCDI_STATE_RUNNING_SYNC,26 MCDI_STATE_RUNNING_ASYNC,27 MCDI_STATE_PROXY_WAIT,28 MCDI_STATE_COMPLETED,29};30 31/**32 * enum efx_mcdi_mode - MCDI transaction mode33 * @MCDI_MODE_POLL: poll for MCDI completion, until timeout34 * @MCDI_MODE_EVENTS: wait for an mcdi_event. On timeout, poll once35 * @MCDI_MODE_FAIL: we think MCDI is dead, so fail-fast all calls36 */37enum efx_mcdi_mode {38 MCDI_MODE_POLL,39 MCDI_MODE_EVENTS,40 MCDI_MODE_FAIL,41};42 43/**44 * struct efx_mcdi_iface - MCDI protocol context45 * @efx: The associated NIC.46 * @state: Request handling state. Waited for by @wq.47 * @mode: Poll for mcdi completion, or wait for an mcdi_event.48 * @wq: Wait queue for threads waiting for @state != %MCDI_STATE_RUNNING49 * @new_epoch: Indicates start of day or start of MC reboot recovery50 * @iface_lock: Serialises access to @seqno, @credits and response metadata51 * @seqno: The next sequence number to use for mcdi requests.52 * @credits: Number of spurious MCDI completion events allowed before we53 * trigger a fatal error54 * @resprc: Response error/success code (Linux numbering)55 * @resp_hdr_len: Response header length56 * @resp_data_len: Response data (SDU or error) length57 * @async_lock: Serialises access to @async_list while event processing is58 * enabled59 * @async_list: Queue of asynchronous requests60 * @async_timer: Timer for asynchronous request timeout61 * @logging_buffer: buffer that may be used to build MCDI tracing messages62 * @logging_enabled: whether to trace MCDI63 * @proxy_rx_handle: Most recently received proxy authorisation handle64 * @proxy_rx_status: Status of most recent proxy authorisation65 * @proxy_rx_wq: Wait queue for updates to proxy_rx_handle66 */67struct efx_mcdi_iface {68 struct efx_nic *efx;69 enum efx_mcdi_state state;70 enum efx_mcdi_mode mode;71 wait_queue_head_t wq;72 spinlock_t iface_lock;73 bool new_epoch;74 unsigned int credits;75 unsigned int seqno;76 int resprc;77 int resprc_raw;78 size_t resp_hdr_len;79 size_t resp_data_len;80 spinlock_t async_lock;81 struct list_head async_list;82 struct timer_list async_timer;83#ifdef CONFIG_SFC_MCDI_LOGGING84 char *logging_buffer;85 bool logging_enabled;86#endif87 unsigned int proxy_rx_handle;88 int proxy_rx_status;89 wait_queue_head_t proxy_rx_wq;90};91 92struct efx_mcdi_mon {93 struct efx_buffer dma_buf;94 struct mutex update_lock;95 unsigned long last_update;96 struct device *device;97 struct efx_mcdi_mon_attribute *attrs;98 struct attribute_group group;99 const struct attribute_group *groups[2];100 unsigned int n_attrs;101};102 103struct efx_mcdi_mtd_partition {104 struct efx_mtd_partition common;105 bool updating;106 u16 nvram_type;107 u16 fw_subtype;108};109 110#define to_efx_mcdi_mtd_partition(mtd) \111 container_of(mtd, struct efx_mcdi_mtd_partition, common.mtd)112 113/**114 * struct efx_mcdi_data - extra state for NICs that implement MCDI115 * @iface: Interface/protocol state116 * @hwmon: Hardware monitor state117 * @fn_flags: Flags for this function, as returned by %MC_CMD_DRV_ATTACH.118 */119struct efx_mcdi_data {120 struct efx_mcdi_iface iface;121#ifdef CONFIG_SFC_MCDI_MON122 struct efx_mcdi_mon hwmon;123#endif124 u32 fn_flags;125};126 127static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx)128{129 EFX_WARN_ON_PARANOID(!efx->mcdi);130 return &efx->mcdi->iface;131}132 133#ifdef CONFIG_SFC_MCDI_MON134static inline struct efx_mcdi_mon *efx_mcdi_mon(struct efx_nic *efx)135{136 EFX_WARN_ON_PARANOID(!efx->mcdi);137 return &efx->mcdi->hwmon;138}139#endif140 141int efx_mcdi_init(struct efx_nic *efx);142void efx_mcdi_detach(struct efx_nic *efx);143void efx_mcdi_fini(struct efx_nic *efx);144 145int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const efx_dword_t *inbuf,146 size_t inlen, efx_dword_t *outbuf, size_t outlen,147 size_t *outlen_actual);148int efx_mcdi_rpc_quiet(struct efx_nic *efx, unsigned cmd,149 const efx_dword_t *inbuf, size_t inlen,150 efx_dword_t *outbuf, size_t outlen,151 size_t *outlen_actual);152 153int efx_mcdi_rpc_start(struct efx_nic *efx, unsigned cmd,154 const efx_dword_t *inbuf, size_t inlen);155int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen,156 efx_dword_t *outbuf, size_t outlen,157 size_t *outlen_actual);158int efx_mcdi_rpc_finish_quiet(struct efx_nic *efx, unsigned cmd,159 size_t inlen, efx_dword_t *outbuf,160 size_t outlen, size_t *outlen_actual);161 162typedef void efx_mcdi_async_completer(struct efx_nic *efx,163 unsigned long cookie, int rc,164 efx_dword_t *outbuf,165 size_t outlen_actual);166int efx_mcdi_rpc_async(struct efx_nic *efx, unsigned int cmd,167 const efx_dword_t *inbuf, size_t inlen, size_t outlen,168 efx_mcdi_async_completer *complete,169 unsigned long cookie);170int efx_mcdi_rpc_async_quiet(struct efx_nic *efx, unsigned int cmd,171 const efx_dword_t *inbuf, size_t inlen,172 size_t outlen,173 efx_mcdi_async_completer *complete,174 unsigned long cookie);175 176void efx_mcdi_display_error(struct efx_nic *efx, unsigned cmd,177 size_t inlen, efx_dword_t *outbuf,178 size_t outlen, int rc);179 180int efx_mcdi_poll_reboot(struct efx_nic *efx);181void efx_mcdi_mode_poll(struct efx_nic *efx);182void efx_mcdi_mode_event(struct efx_nic *efx);183void efx_mcdi_flush_async(struct efx_nic *efx);184 185void efx_mcdi_process_event(struct efx_channel *channel, efx_qword_t *event);186void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);187 188/* We expect that 16- and 32-bit fields in MCDI requests and responses189 * are appropriately aligned, but 64-bit fields are only190 * 32-bit-aligned. Also, on Siena we must copy to the MC shared191 * memory strictly 32 bits at a time, so add any necessary padding.192 */193#define MCDI_TX_BUF_LEN(_len) DIV_ROUND_UP((_len), 4)194#define _MCDI_DECLARE_BUF(_name, _len) \195 efx_dword_t _name[DIV_ROUND_UP(_len, 4)]196#define MCDI_DECLARE_BUF(_name, _len) \197 _MCDI_DECLARE_BUF(_name, _len) = {{{0}}}198#define MCDI_DECLARE_BUF_ERR(_name) \199 MCDI_DECLARE_BUF(_name, 8)200#define _MCDI_PTR(_buf, _offset) \201 ((u8 *)(_buf) + (_offset))202#define MCDI_PTR(_buf, _field) \203 _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST)204/* Use MCDI_STRUCT_ functions to access members of MCDI structuredefs.205 * _buf should point to the start of the structure, typically obtained with206 * MCDI_DECLARE_STRUCT_PTR(structure) = _MCDI_DWORD(mcdi_buf, FIELD_WHICH_IS_STRUCT);207 */208#define MCDI_STRUCT_PTR(_buf, _field) \209 _MCDI_PTR(_buf, _field ## _OFST)210#define _MCDI_CHECK_ALIGN(_ofst, _align) \211 ((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1)))212#define _MCDI_DWORD(_buf, _field) \213 ((_buf) + (_MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, 4) >> 2))214#define _MCDI_STRUCT_DWORD(_buf, _field) \215 ((_buf) + (_MCDI_CHECK_ALIGN(_field ## _OFST, 4) >> 2))216 217#define MCDI_STRUCT_SET_BYTE(_buf, _field, _value) do { \218 BUILD_BUG_ON(_field ## _LEN != 1); \219 *(u8 *)MCDI_STRUCT_PTR(_buf, _field) = _value; \220 } while (0)221#define MCDI_STRUCT_POPULATE_BYTE_1(_buf, _field, _name, _value) do { \222 efx_dword_t _temp; \223 EFX_POPULATE_DWORD_1(_temp, _name, _value); \224 MCDI_STRUCT_SET_BYTE(_buf, _field, \225 EFX_DWORD_FIELD(_temp, EFX_BYTE_0)); \226 } while (0)227#define MCDI_BYTE(_buf, _field) \228 ((void)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 1), \229 *MCDI_PTR(_buf, _field))230#define MCDI_STRUCT_BYTE(_buf, _field) \231 ((void)BUILD_BUG_ON_ZERO(_field ## _LEN != 1), \232 *MCDI_STRUCT_PTR(_buf, _field))233#define MCDI_SET_WORD(_buf, _field, _value) do { \234 BUILD_BUG_ON(MC_CMD_ ## _field ## _LEN != 2); \235 BUILD_BUG_ON(MC_CMD_ ## _field ## _OFST & 1); \236 *(__force __le16 *)MCDI_PTR(_buf, _field) = cpu_to_le16(_value);\237 } while (0)238#define MCDI_STRUCT_SET_WORD(_buf, _field, _value) do { \239 BUILD_BUG_ON(_field ## _LEN != 2); \240 BUILD_BUG_ON(_field ## _OFST & 1); \241 *(__force __le16 *)MCDI_STRUCT_PTR(_buf, _field) = cpu_to_le16(_value);\242 } while (0)243#define MCDI_WORD(_buf, _field) \244 ((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \245 le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field)))246#define MCDI_STRUCT_WORD(_buf, _field) \247 ((void)BUILD_BUG_ON_ZERO(_field ## _LEN != 2), \248 le16_to_cpu(*(__force const __le16 *)MCDI_STRUCT_PTR(_buf, _field)))249/* Write a 16-bit field defined in the protocol as being big-endian. */250#define MCDI_SET_WORD_BE(_buf, _field, _value) do { \251 BUILD_BUG_ON(MC_CMD_ ## _field ## _LEN != 2); \252 BUILD_BUG_ON(MC_CMD_ ## _field ## _OFST & 1); \253 *(__force __be16 *)MCDI_PTR(_buf, _field) = (_value); \254 } while (0)255#define MCDI_STRUCT_SET_WORD_BE(_buf, _field, _value) do { \256 BUILD_BUG_ON(_field ## _LEN != 2); \257 BUILD_BUG_ON(_field ## _OFST & 1); \258 *(__force __be16 *)MCDI_STRUCT_PTR(_buf, _field) = (_value); \259 } while (0)260#define MCDI_SET_DWORD(_buf, _field, _value) \261 EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value)262#define MCDI_STRUCT_SET_DWORD(_buf, _field, _value) \263 EFX_POPULATE_DWORD_1(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0, _value)264#define MCDI_DWORD(_buf, _field) \265 EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0)266#define MCDI_STRUCT_DWORD(_buf, _field) \267 EFX_DWORD_FIELD(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0)268/* Write a 32-bit field defined in the protocol as being big-endian. */269#define MCDI_STRUCT_SET_DWORD_BE(_buf, _field, _value) do { \270 BUILD_BUG_ON(_field ## _LEN != 4); \271 BUILD_BUG_ON(_field ## _OFST & 3); \272 *(__force __be32 *)MCDI_STRUCT_PTR(_buf, _field) = (_value); \273 } while (0)274#define MCDI_POPULATE_DWORD_1(_buf, _field, _name1, _value1) \275 EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), \276 MC_CMD_ ## _name1, _value1)277#define MCDI_POPULATE_DWORD_2(_buf, _field, _name1, _value1, \278 _name2, _value2) \279 EFX_POPULATE_DWORD_2(*_MCDI_DWORD(_buf, _field), \280 MC_CMD_ ## _name1, _value1, \281 MC_CMD_ ## _name2, _value2)282#define MCDI_POPULATE_DWORD_3(_buf, _field, _name1, _value1, \283 _name2, _value2, _name3, _value3) \284 EFX_POPULATE_DWORD_3(*_MCDI_DWORD(_buf, _field), \285 MC_CMD_ ## _name1, _value1, \286 MC_CMD_ ## _name2, _value2, \287 MC_CMD_ ## _name3, _value3)288#define MCDI_POPULATE_DWORD_4(_buf, _field, _name1, _value1, \289 _name2, _value2, _name3, _value3, \290 _name4, _value4) \291 EFX_POPULATE_DWORD_4(*_MCDI_DWORD(_buf, _field), \292 MC_CMD_ ## _name1, _value1, \293 MC_CMD_ ## _name2, _value2, \294 MC_CMD_ ## _name3, _value3, \295 MC_CMD_ ## _name4, _value4)296#define MCDI_POPULATE_DWORD_5(_buf, _field, _name1, _value1, \297 _name2, _value2, _name3, _value3, \298 _name4, _value4, _name5, _value5) \299 EFX_POPULATE_DWORD_5(*_MCDI_DWORD(_buf, _field), \300 MC_CMD_ ## _name1, _value1, \301 MC_CMD_ ## _name2, _value2, \302 MC_CMD_ ## _name3, _value3, \303 MC_CMD_ ## _name4, _value4, \304 MC_CMD_ ## _name5, _value5)305#define MCDI_POPULATE_DWORD_6(_buf, _field, _name1, _value1, \306 _name2, _value2, _name3, _value3, \307 _name4, _value4, _name5, _value5, \308 _name6, _value6) \309 EFX_POPULATE_DWORD_6(*_MCDI_DWORD(_buf, _field), \310 MC_CMD_ ## _name1, _value1, \311 MC_CMD_ ## _name2, _value2, \312 MC_CMD_ ## _name3, _value3, \313 MC_CMD_ ## _name4, _value4, \314 MC_CMD_ ## _name5, _value5, \315 MC_CMD_ ## _name6, _value6)316#define MCDI_POPULATE_DWORD_7(_buf, _field, _name1, _value1, \317 _name2, _value2, _name3, _value3, \318 _name4, _value4, _name5, _value5, \319 _name6, _value6, _name7, _value7) \320 EFX_POPULATE_DWORD_7(*_MCDI_DWORD(_buf, _field), \321 MC_CMD_ ## _name1, _value1, \322 MC_CMD_ ## _name2, _value2, \323 MC_CMD_ ## _name3, _value3, \324 MC_CMD_ ## _name4, _value4, \325 MC_CMD_ ## _name5, _value5, \326 MC_CMD_ ## _name6, _value6, \327 MC_CMD_ ## _name7, _value7)328#define MCDI_SET_QWORD(_buf, _field, _value) \329 do { \330 EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[0], \331 EFX_DWORD_0, (u32)(_value)); \332 EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[1], \333 EFX_DWORD_0, (u64)(_value) >> 32); \334 } while (0)335#define MCDI_QWORD(_buf, _field) \336 (EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[0], EFX_DWORD_0) | \337 (u64)EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[1], EFX_DWORD_0) << 32)338#define MCDI_FIELD(_ptr, _type, _field) \339 EFX_EXTRACT_DWORD( \340 *(efx_dword_t *) \341 _MCDI_PTR(_ptr, MC_CMD_ ## _type ## _ ## _field ## _OFST & ~3),\342 MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f, \343 (MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f) + \344 MC_CMD_ ## _type ## _ ## _field ## _WIDTH - 1)345 346#define _MCDI_ARRAY_PTR(_buf, _field, _index, _align) \347 (_MCDI_PTR(_buf, _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, _align))\348 + (_index) * _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _LEN, _align))349#define MCDI_DECLARE_STRUCT_PTR(_name) \350 efx_dword_t *_name351#define MCDI_ARRAY_STRUCT_PTR(_buf, _field, _index) \352 ((efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))353#define MCDI_VAR_ARRAY_LEN(_len, _field) \354 min_t(size_t, MC_CMD_ ## _field ## _MAXNUM, \355 ((_len) - MC_CMD_ ## _field ## _OFST) / MC_CMD_ ## _field ## _LEN)356#define MCDI_ARRAY_WORD(_buf, _field, _index) \357 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \358 le16_to_cpu(*(__force const __le16 *) \359 _MCDI_ARRAY_PTR(_buf, _field, _index, 2)))360#define _MCDI_ARRAY_DWORD(_buf, _field, _index) \361 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 4) + \362 (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))363#define MCDI_SET_ARRAY_DWORD(_buf, _field, _index, _value) \364 EFX_SET_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), \365 EFX_DWORD_0, _value)366#define MCDI_ARRAY_DWORD(_buf, _field, _index) \367 EFX_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), EFX_DWORD_0)368#define _MCDI_ARRAY_QWORD(_buf, _field, _index) \369 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 8) + \370 (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))371#define MCDI_SET_ARRAY_QWORD(_buf, _field, _index, _value) \372 do { \373 EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[0],\374 EFX_DWORD_0, (u32)(_value)); \375 EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[1],\376 EFX_DWORD_0, (u64)(_value) >> 32); \377 } while (0)378#define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \379 MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index), \380 _type ## _TYPEDEF, _field2)381 382#define MCDI_EVENT_FIELD(_ev, _field) \383 EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)384 385#define MCDI_CAPABILITY(field) \386 MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _LBN387 388#define MCDI_CAPABILITY_OFST(field) \389 MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _OFST390 391#define efx_has_cap(efx, field) \392 efx->type->check_caps(efx, \393 MCDI_CAPABILITY(field), \394 MCDI_CAPABILITY_OFST(field))395 396void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);397int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,398 u16 *fw_subtype_list, u32 *capabilities);399int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, u32 dest_evq);400int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);401int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,402 size_t *size_out, size_t *erase_size_out,403 bool *protected_out);404int efx_new_mcdi_nvram_test_all(struct efx_nic *efx);405int efx_mcdi_nvram_metadata(struct efx_nic *efx, unsigned int type,406 u32 *subtype, u16 version[4], char *desc,407 size_t descsize);408int efx_mcdi_nvram_test_all(struct efx_nic *efx);409int efx_mcdi_handle_assertion(struct efx_nic *efx);410int efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);411int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx, const u8 *mac,412 int *id_out);413int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out);414int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);415int efx_mcdi_wol_filter_reset(struct efx_nic *efx);416int efx_mcdi_flush_rxqs(struct efx_nic *efx);417void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev);418void efx_mcdi_mac_start_stats(struct efx_nic *efx);419void efx_mcdi_mac_stop_stats(struct efx_nic *efx);420void efx_mcdi_mac_pull_stats(struct efx_nic *efx);421enum reset_type efx_mcdi_map_reset_reason(enum reset_type reason);422int efx_mcdi_reset(struct efx_nic *efx, enum reset_type method);423int efx_mcdi_set_workaround(struct efx_nic *efx, u32 type, bool enabled,424 unsigned int *flags);425int efx_mcdi_get_workarounds(struct efx_nic *efx, unsigned int *impl_out,426 unsigned int *enabled_out);427int efx_mcdi_get_privilege_mask(struct efx_nic *efx, u32 *mask);428 429#ifdef CONFIG_SFC_MCDI_MON430int efx_mcdi_mon_probe(struct efx_nic *efx);431void efx_mcdi_mon_remove(struct efx_nic *efx);432#else433static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; }434static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {}435#endif436 437#ifdef CONFIG_SFC_MTD438int efx_mcdi_mtd_read(struct mtd_info *mtd, loff_t start, size_t len,439 size_t *retlen, u8 *buffer);440int efx_mcdi_mtd_erase(struct mtd_info *mtd, loff_t start, size_t len);441int efx_mcdi_mtd_write(struct mtd_info *mtd, loff_t start, size_t len,442 size_t *retlen, const u8 *buffer);443int efx_mcdi_mtd_sync(struct mtd_info *mtd);444void efx_mcdi_mtd_rename(struct efx_mtd_partition *part);445#endif446 447#endif /* EFX_MCDI_H */448