1/* SPDX-License-Identifier: GPL-2.0-only */
2/****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2008-2013 Solarflare Communications Inc.
5 */
6
7#ifndef EFX_MCDI_H
8#define EFX_MCDI_H
9
10/**
11 * enum efx_mcdi_state - MCDI request handling state
12 * @MCDI_STATE_QUIESCENT: No pending MCDI requests. If the caller holds the
13 * mcdi @iface_lock then they are able to move to %MCDI_STATE_RUNNING
14 * @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 that
18 * indicates we must wait for a proxy try again message.
19 * @MCDI_STATE_COMPLETED: An MCDI request has completed, but the owning thread
20 * has not yet consumed the result. For all other threads, equivalent to
21 * %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 mode
33 * @MCDI_MODE_POLL: poll for MCDI completion, until timeout
34 * @MCDI_MODE_EVENTS: wait for an mcdi_event. On timeout, poll once
35 * @MCDI_MODE_FAIL: we think MCDI is dead, so fail-fast all calls
36 */
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 context
45 * @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_RUNNING
49 * @new_epoch: Indicates start of day or start of MC reboot recovery
50 * @iface_lock: Serialises access to @seqno, @credits and response metadata
51 * @seqno: The next sequence number to use for mcdi requests.
52 * @credits: Number of spurious MCDI completion events allowed before we
53 * trigger a fatal error
54 * @resprc: Response error/success code (Linux numbering)
55 * @resp_hdr_len: Response header length
56 * @resp_data_len: Response data (SDU or error) length
57 * @async_lock: Serialises access to @async_list while event processing is
58 * enabled
59 * @async_list: Queue of asynchronous requests
60 * @async_timer: Timer for asynchronous request timeout
61 * @logging_buffer: buffer that may be used to build MCDI tracing messages
62 * @logging_enabled: whether to trace MCDI
63 * @proxy_rx_handle: Most recently received proxy authorisation handle
64 * @proxy_rx_status: Status of most recent proxy authorisation
65 * @proxy_rx_wq: Wait queue for updates to proxy_rx_handle
66 */
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_LOGGING
84 char *logging_buffer;
85 bool logging_enabled;
86#endif
87 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 MCDI
115 * @iface: Interface/protocol state
116 * @hwmon: Hardware monitor state
117 * @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_MON
122 struct efx_mcdi_mon hwmon;
123#endif
124 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_MON
134static 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#endif
140
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);
158
159typedef void efx_mcdi_async_completer(struct efx_nic *efx,
160 unsigned long cookie, int rc,
161 efx_dword_t *outbuf,
162 size_t outlen_actual);
163int efx_mcdi_rpc_async(struct efx_nic *efx, unsigned int cmd,
164 const efx_dword_t *inbuf, size_t inlen, size_t outlen,
165 efx_mcdi_async_completer *complete,
166 unsigned long cookie);
167
168void efx_mcdi_display_error(struct efx_nic *efx, unsigned cmd,
169 size_t inlen, efx_dword_t *outbuf,
170 size_t outlen, int rc);
171
172int efx_mcdi_poll_reboot(struct efx_nic *efx);
173void efx_mcdi_mode_poll(struct efx_nic *efx);
174void efx_mcdi_mode_event(struct efx_nic *efx);
175void efx_mcdi_flush_async(struct efx_nic *efx);
176
177void efx_mcdi_process_event(struct efx_channel *channel, efx_qword_t *event);
178void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
179
180/* We expect that 16- and 32-bit fields in MCDI requests and responses
181 * are appropriately aligned, but 64-bit fields are only
182 * 32-bit-aligned. Also, on Siena we must copy to the MC shared
183 * memory strictly 32 bits at a time, so add any necessary padding.
184 */
185#define MCDI_TX_BUF_LEN(_len) DIV_ROUND_UP((_len), 4)
186#define _MCDI_DECLARE_BUF(_name, _len) \
187 efx_dword_t _name[DIV_ROUND_UP(_len, 4)]
188#define MCDI_DECLARE_BUF(_name, _len) \
189 _MCDI_DECLARE_BUF(_name, _len) = {{{0}}}
190#define MCDI_DECLARE_BUF_ERR(_name) \
191 MCDI_DECLARE_BUF(_name, 8)
192#define _MCDI_PTR(_buf, _offset) \
193 ((u8 *)(_buf) + (_offset))
194#define MCDI_PTR(_buf, _field) \
195 _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST)
196/* Use MCDI_STRUCT_ functions to access members of MCDI structuredefs.
197 * _buf should point to the start of the structure, typically obtained with
198 * MCDI_DECLARE_STRUCT_PTR(structure) = _MCDI_DWORD(mcdi_buf, FIELD_WHICH_IS_STRUCT);
199 */
200#define MCDI_STRUCT_PTR(_buf, _field) \
201 _MCDI_PTR(_buf, _field ## _OFST)
202#define _MCDI_CHECK_ALIGN(_ofst, _align) \
203 ((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1)))
204#define _MCDI_DWORD(_buf, _field) \
205 ((_buf) + (_MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, 4) >> 2))
206#define _MCDI_STRUCT_DWORD(_buf, _field) \
207 ((_buf) + (_MCDI_CHECK_ALIGN(_field ## _OFST, 4) >> 2))
208
209#define MCDI_STRUCT_SET_BYTE(_buf, _field, _value) do { \
210 BUILD_BUG_ON(_field ## _LEN != 1); \
211 *(u8 *)MCDI_STRUCT_PTR(_buf, _field) = _value; \
212 } while (0)
213#define MCDI_STRUCT_POPULATE_BYTE_1(_buf, _field, _name, _value) do { \
214 efx_dword_t _temp; \
215 EFX_POPULATE_DWORD_1(_temp, _name, _value); \
216 MCDI_STRUCT_SET_BYTE(_buf, _field, \
217 EFX_DWORD_FIELD(_temp, EFX_BYTE_0)); \
218 } while (0)
219#define MCDI_BYTE(_buf, _field) \
220 ((void)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 1), \
221 *MCDI_PTR(_buf, _field))
222#define MCDI_STRUCT_BYTE(_buf, _field) \
223 ((void)BUILD_BUG_ON_ZERO(_field ## _LEN != 1), \
224 *MCDI_STRUCT_PTR(_buf, _field))
225#define MCDI_SET_WORD(_buf, _field, _value) do { \
226 BUILD_BUG_ON(MC_CMD_ ## _field ## _LEN != 2); \
227 BUILD_BUG_ON(MC_CMD_ ## _field ## _OFST & 1); \
228 *(__force __le16 *)MCDI_PTR(_buf, _field) = cpu_to_le16(_value);\
229 } while (0)
230#define MCDI_STRUCT_SET_WORD(_buf, _field, _value) do { \
231 BUILD_BUG_ON(_field ## _LEN != 2); \
232 BUILD_BUG_ON(_field ## _OFST & 1); \
233 *(__force __le16 *)MCDI_STRUCT_PTR(_buf, _field) = cpu_to_le16(_value);\
234 } while (0)
235#define MCDI_WORD(_buf, _field) \
236 ((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \
237 le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field)))
238#define MCDI_STRUCT_WORD(_buf, _field) \
239 ((void)BUILD_BUG_ON_ZERO(_field ## _LEN != 2), \
240 le16_to_cpu(*(__force const __le16 *)MCDI_STRUCT_PTR(_buf, _field)))
241/* Write a 16-bit field defined in the protocol as being big-endian. */
242#define MCDI_SET_WORD_BE(_buf, _field, _value) do { \
243 BUILD_BUG_ON(MC_CMD_ ## _field ## _LEN != 2); \
244 BUILD_BUG_ON(MC_CMD_ ## _field ## _OFST & 1); \
245 *(__force __be16 *)MCDI_PTR(_buf, _field) = (_value); \
246 } while (0)
247#define MCDI_STRUCT_SET_WORD_BE(_buf, _field, _value) do { \
248 BUILD_BUG_ON(_field ## _LEN != 2); \
249 BUILD_BUG_ON(_field ## _OFST & 1); \
250 *(__force __be16 *)MCDI_STRUCT_PTR(_buf, _field) = (_value); \
251 } while (0)
252#define MCDI_SET_DWORD(_buf, _field, _value) \
253 EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value)
254#define MCDI_STRUCT_SET_DWORD(_buf, _field, _value) \
255 EFX_POPULATE_DWORD_1(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0, _value)
256#define MCDI_DWORD(_buf, _field) \
257 EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0)
258#define MCDI_STRUCT_DWORD(_buf, _field) \
259 EFX_DWORD_FIELD(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0)
260/* Write a 32-bit field defined in the protocol as being big-endian. */
261#define MCDI_STRUCT_SET_DWORD_BE(_buf, _field, _value) do { \
262 BUILD_BUG_ON(_field ## _LEN != 4); \
263 BUILD_BUG_ON(_field ## _OFST & 3); \
264 *(__force __be32 *)MCDI_STRUCT_PTR(_buf, _field) = (_value); \
265 } while (0)
266#define MCDI_POPULATE_DWORD_1(_buf, _field, _name1, _value1) \
267 EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), \
268 MC_CMD_ ## _name1, _value1)
269#define MCDI_POPULATE_DWORD_2(_buf, _field, _name1, _value1, \
270 _name2, _value2) \
271 EFX_POPULATE_DWORD_2(*_MCDI_DWORD(_buf, _field), \
272 MC_CMD_ ## _name1, _value1, \
273 MC_CMD_ ## _name2, _value2)
274#define MCDI_POPULATE_DWORD_3(_buf, _field, _name1, _value1, \
275 _name2, _value2, _name3, _value3) \
276 EFX_POPULATE_DWORD_3(*_MCDI_DWORD(_buf, _field), \
277 MC_CMD_ ## _name1, _value1, \
278 MC_CMD_ ## _name2, _value2, \
279 MC_CMD_ ## _name3, _value3)
280#define MCDI_POPULATE_DWORD_4(_buf, _field, _name1, _value1, \
281 _name2, _value2, _name3, _value3, \
282 _name4, _value4) \
283 EFX_POPULATE_DWORD_4(*_MCDI_DWORD(_buf, _field), \
284 MC_CMD_ ## _name1, _value1, \
285 MC_CMD_ ## _name2, _value2, \
286 MC_CMD_ ## _name3, _value3, \
287 MC_CMD_ ## _name4, _value4)
288#define MCDI_POPULATE_DWORD_5(_buf, _field, _name1, _value1, \
289 _name2, _value2, _name3, _value3, \
290 _name4, _value4, _name5, _value5) \
291 EFX_POPULATE_DWORD_5(*_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 MC_CMD_ ## _name5, _value5)
297#define MCDI_POPULATE_DWORD_6(_buf, _field, _name1, _value1, \
298 _name2, _value2, _name3, _value3, \
299 _name4, _value4, _name5, _value5, \
300 _name6, _value6) \
301 EFX_POPULATE_DWORD_6(*_MCDI_DWORD(_buf, _field), \
302 MC_CMD_ ## _name1, _value1, \
303 MC_CMD_ ## _name2, _value2, \
304 MC_CMD_ ## _name3, _value3, \
305 MC_CMD_ ## _name4, _value4, \
306 MC_CMD_ ## _name5, _value5, \
307 MC_CMD_ ## _name6, _value6)
308#define MCDI_POPULATE_DWORD_7(_buf, _field, _name1, _value1, \
309 _name2, _value2, _name3, _value3, \
310 _name4, _value4, _name5, _value5, \
311 _name6, _value6, _name7, _value7) \
312 EFX_POPULATE_DWORD_7(*_MCDI_DWORD(_buf, _field), \
313 MC_CMD_ ## _name1, _value1, \
314 MC_CMD_ ## _name2, _value2, \
315 MC_CMD_ ## _name3, _value3, \
316 MC_CMD_ ## _name4, _value4, \
317 MC_CMD_ ## _name5, _value5, \
318 MC_CMD_ ## _name6, _value6, \
319 MC_CMD_ ## _name7, _value7)
320#define MCDI_SET_QWORD(_buf, _field, _value) \
321 do { \
322 EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[0], \
323 EFX_DWORD_0, (u32)(_value)); \
324 EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[1], \
325 EFX_DWORD_0, (u64)(_value) >> 32); \
326 } while (0)
327#define MCDI_QWORD(_buf, _field) \
328 (EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[0], EFX_DWORD_0) | \
329 (u64)EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[1], EFX_DWORD_0) << 32)
330#define MCDI_FIELD(_ptr, _type, _field) \
331 EFX_EXTRACT_DWORD( \
332 *(efx_dword_t *) \
333 _MCDI_PTR(_ptr, MC_CMD_ ## _type ## _ ## _field ## _OFST & ~3),\
334 MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f, \
335 (MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f) + \
336 MC_CMD_ ## _type ## _ ## _field ## _WIDTH - 1)
337
338#define _MCDI_ARRAY_PTR(_buf, _field, _index, _align) \
339 (_MCDI_PTR(_buf, _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, _align))\
340 + (_index) * _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _LEN, _align))
341#define MCDI_DECLARE_STRUCT_PTR(_name) \
342 efx_dword_t *_name
343#define MCDI_ARRAY_STRUCT_PTR(_buf, _field, _index) \
344 ((efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))
345#define MCDI_VAR_ARRAY_LEN(_len, _field) \
346 min_t(size_t, MC_CMD_ ## _field ## _MAXNUM, \
347 ((_len) - MC_CMD_ ## _field ## _OFST) / MC_CMD_ ## _field ## _LEN)
348#define MCDI_ARRAY_WORD(_buf, _field, _index) \
349 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \
350 le16_to_cpu(*(__force const __le16 *) \
351 _MCDI_ARRAY_PTR(_buf, _field, _index, 2)))
352#define _MCDI_ARRAY_DWORD(_buf, _field, _index) \
353 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 4) + \
354 (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))
355#define MCDI_SET_ARRAY_DWORD(_buf, _field, _index, _value) \
356 EFX_SET_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), \
357 EFX_DWORD_0, _value)
358#define MCDI_ARRAY_DWORD(_buf, _field, _index) \
359 EFX_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), EFX_DWORD_0)
360#define _MCDI_ARRAY_QWORD(_buf, _field, _index) \
361 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 8) + \
362 (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))
363#define MCDI_SET_ARRAY_QWORD(_buf, _field, _index, _value) \
364 do { \
365 EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[0],\
366 EFX_DWORD_0, (u32)(_value)); \
367 EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[1],\
368 EFX_DWORD_0, (u64)(_value) >> 32); \
369 } while (0)
370#define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \
371 MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index), \
372 _type ## _TYPEDEF, _field2)
373
374#define MCDI_EVENT_FIELD(_ev, _field) \
375 EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
376
377#define MCDI_CAPABILITY(field) \
378 MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _LBN
379
380#define MCDI_CAPABILITY_OFST(field) \
381 MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _OFST
382
383#define efx_has_cap(efx, field) \
384 efx->type->check_caps(efx, \
385 MCDI_CAPABILITY(field), \
386 MCDI_CAPABILITY_OFST(field))
387
388void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);
389int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
390 u16 *fw_subtype_list, u32 *capabilities);
391int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, u32 dest_evq);
392int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);
393int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
394 size_t *size_out, size_t *erase_size_out,
395 size_t *write_size_out, bool *protected_out);
396int efx_new_mcdi_nvram_test_all(struct efx_nic *efx);
397int efx_mcdi_nvram_metadata(struct efx_nic *efx, unsigned int type,
398 u32 *subtype, u16 version[4], char *desc,
399 size_t descsize);
400int efx_mcdi_nvram_test_all(struct efx_nic *efx);
401int efx_mcdi_handle_assertion(struct efx_nic *efx);
402int efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
403int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx, const u8 *mac,
404 int *id_out);
405int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);
406int efx_mcdi_wol_filter_reset(struct efx_nic *efx);
407void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev);
408void efx_mcdi_mac_start_stats(struct efx_nic *efx);
409void efx_mcdi_mac_stop_stats(struct efx_nic *efx);
410void efx_mcdi_mac_pull_stats(struct efx_nic *efx);
411enum reset_type efx_mcdi_map_reset_reason(enum reset_type reason);
412int efx_mcdi_reset(struct efx_nic *efx, enum reset_type method);
413int efx_mcdi_set_workaround(struct efx_nic *efx, u32 type, bool enabled,
414 unsigned int *flags);
415int efx_mcdi_get_workarounds(struct efx_nic *efx, unsigned int *impl_out,
416 unsigned int *enabled_out);
417int efx_mcdi_get_privilege_mask(struct efx_nic *efx, u32 *mask);
418
419#ifdef CONFIG_SFC_MCDI_MON
420int efx_mcdi_mon_probe(struct efx_nic *efx);
421void efx_mcdi_mon_remove(struct efx_nic *efx);
422#else
423static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; }
424static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {}
425#endif
426
427int efx_mcdi_nvram_update_start(struct efx_nic *efx, unsigned int type);
428int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type,
429 loff_t offset, const u8 *buffer, size_t length);
430int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type,
431 loff_t offset, size_t length);
432int efx_mcdi_nvram_metadata(struct efx_nic *efx, unsigned int type,
433 u32 *subtype, u16 version[4], char *desc,
434 size_t descsize);
435
436enum efx_update_finish_mode {
437 EFX_UPDATE_FINISH_WAIT,
438 EFX_UPDATE_FINISH_BACKGROUND,
439 EFX_UPDATE_FINISH_POLL,
440 EFX_UPDATE_FINISH_ABORT,
441};
442
443int efx_mcdi_nvram_update_finish(struct efx_nic *efx, unsigned int type,
444 enum efx_update_finish_mode mode);
445int efx_mcdi_nvram_update_finish_polled(struct efx_nic *efx, unsigned int type);
446
447#ifdef CONFIG_SFC_MTD
448int efx_mcdi_mtd_read(struct mtd_info *mtd, loff_t start, size_t len,
449 size_t *retlen, u8 *buffer);
450int efx_mcdi_mtd_erase(struct mtd_info *mtd, loff_t start, size_t len);
451int efx_mcdi_mtd_write(struct mtd_info *mtd, loff_t start, size_t len,
452 size_t *retlen, const u8 *buffer);
453int efx_mcdi_mtd_sync(struct mtd_info *mtd);
454void efx_mcdi_mtd_rename(struct efx_mtd_partition *part);
455#endif
456
457#endif /* EFX_MCDI_H */
458

source code of linux/drivers/net/ethernet/sfc/mcdi.h