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10#ifndef EFX_MCDI_H
11#define EFX_MCDI_H
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24enum efx_mcdi_state {
25 MCDI_STATE_QUIESCENT,
26 MCDI_STATE_RUNNING_SYNC,
27 MCDI_STATE_RUNNING_ASYNC,
28 MCDI_STATE_COMPLETED,
29};
30
31enum efx_mcdi_mode {
32 MCDI_MODE_POLL,
33 MCDI_MODE_EVENTS,
34};
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55struct efx_mcdi_iface {
56 struct efx_nic *efx;
57 enum efx_mcdi_state state;
58 enum efx_mcdi_mode mode;
59 wait_queue_head_t wq;
60 spinlock_t iface_lock;
61 bool new_epoch;
62 unsigned int credits;
63 unsigned int seqno;
64 int resprc;
65 size_t resp_hdr_len;
66 size_t resp_data_len;
67 spinlock_t async_lock;
68 struct list_head async_list;
69 struct timer_list async_timer;
70};
71
72struct efx_mcdi_mon {
73 struct efx_buffer dma_buf;
74 struct mutex update_lock;
75 unsigned long last_update;
76 struct device *device;
77 struct efx_mcdi_mon_attribute *attrs;
78 struct attribute_group group;
79 const struct attribute_group *groups[2];
80 unsigned int n_attrs;
81};
82
83struct efx_mcdi_mtd_partition {
84 struct efx_mtd_partition common;
85 bool updating;
86 u16 nvram_type;
87 u16 fw_subtype;
88};
89
90#define to_efx_mcdi_mtd_partition(mtd) \
91 container_of(mtd, struct efx_mcdi_mtd_partition, common.mtd)
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98
99struct efx_mcdi_data {
100 struct efx_mcdi_iface iface;
101#ifdef CONFIG_SFC_MCDI_MON
102 struct efx_mcdi_mon hwmon;
103#endif
104 u32 fn_flags;
105};
106
107#ifdef CONFIG_SFC_MCDI_MON
108static inline struct efx_mcdi_mon *efx_mcdi_mon(struct efx_nic *efx)
109{
110 EFX_BUG_ON_PARANOID(!efx->mcdi);
111 return &efx->mcdi->hwmon;
112}
113#endif
114
115int efx_mcdi_init(struct efx_nic *efx);
116void efx_mcdi_fini(struct efx_nic *efx);
117
118int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const efx_dword_t *inbuf,
119 size_t inlen, efx_dword_t *outbuf, size_t outlen,
120 size_t *outlen_actual);
121int efx_mcdi_rpc_quiet(struct efx_nic *efx, unsigned cmd,
122 const efx_dword_t *inbuf, size_t inlen,
123 efx_dword_t *outbuf, size_t outlen,
124 size_t *outlen_actual);
125
126int efx_mcdi_rpc_start(struct efx_nic *efx, unsigned cmd,
127 const efx_dword_t *inbuf, size_t inlen);
128int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen,
129 efx_dword_t *outbuf, size_t outlen,
130 size_t *outlen_actual);
131int efx_mcdi_rpc_finish_quiet(struct efx_nic *efx, unsigned cmd,
132 size_t inlen, efx_dword_t *outbuf,
133 size_t outlen, size_t *outlen_actual);
134
135typedef void efx_mcdi_async_completer(struct efx_nic *efx,
136 unsigned long cookie, int rc,
137 efx_dword_t *outbuf,
138 size_t outlen_actual);
139int efx_mcdi_rpc_async(struct efx_nic *efx, unsigned int cmd,
140 const efx_dword_t *inbuf, size_t inlen, size_t outlen,
141 efx_mcdi_async_completer *complete,
142 unsigned long cookie);
143int efx_mcdi_rpc_async_quiet(struct efx_nic *efx, unsigned int cmd,
144 const efx_dword_t *inbuf, size_t inlen,
145 size_t outlen,
146 efx_mcdi_async_completer *complete,
147 unsigned long cookie);
148
149void efx_mcdi_display_error(struct efx_nic *efx, unsigned cmd,
150 size_t inlen, efx_dword_t *outbuf,
151 size_t outlen, int rc);
152
153int efx_mcdi_poll_reboot(struct efx_nic *efx);
154void efx_mcdi_mode_poll(struct efx_nic *efx);
155void efx_mcdi_mode_event(struct efx_nic *efx);
156void efx_mcdi_flush_async(struct efx_nic *efx);
157
158void efx_mcdi_process_event(struct efx_channel *channel, efx_qword_t *event);
159void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
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165
166#define MCDI_DECLARE_BUF(_name, _len) \
167 efx_dword_t _name[DIV_ROUND_UP(_len, 4)]
168#define MCDI_DECLARE_BUF_OUT_OR_ERR(_name, _len) \
169 MCDI_DECLARE_BUF(_name, max_t(size_t, _len, 8))
170#define _MCDI_PTR(_buf, _offset) \
171 ((u8 *)(_buf) + (_offset))
172#define MCDI_PTR(_buf, _field) \
173 _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST)
174#define _MCDI_CHECK_ALIGN(_ofst, _align) \
175 ((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1)))
176#define _MCDI_DWORD(_buf, _field) \
177 ((_buf) + (_MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, 4) >> 2))
178
179#define MCDI_WORD(_buf, _field) \
180 ((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \
181 le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field)))
182#define MCDI_SET_DWORD(_buf, _field, _value) \
183 EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value)
184#define MCDI_DWORD(_buf, _field) \
185 EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0)
186#define MCDI_POPULATE_DWORD_1(_buf, _field, _name1, _value1) \
187 EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), \
188 MC_CMD_ ## _name1, _value1)
189#define MCDI_POPULATE_DWORD_2(_buf, _field, _name1, _value1, \
190 _name2, _value2) \
191 EFX_POPULATE_DWORD_2(*_MCDI_DWORD(_buf, _field), \
192 MC_CMD_ ## _name1, _value1, \
193 MC_CMD_ ## _name2, _value2)
194#define MCDI_POPULATE_DWORD_3(_buf, _field, _name1, _value1, \
195 _name2, _value2, _name3, _value3) \
196 EFX_POPULATE_DWORD_3(*_MCDI_DWORD(_buf, _field), \
197 MC_CMD_ ## _name1, _value1, \
198 MC_CMD_ ## _name2, _value2, \
199 MC_CMD_ ## _name3, _value3)
200#define MCDI_POPULATE_DWORD_4(_buf, _field, _name1, _value1, \
201 _name2, _value2, _name3, _value3, \
202 _name4, _value4) \
203 EFX_POPULATE_DWORD_4(*_MCDI_DWORD(_buf, _field), \
204 MC_CMD_ ## _name1, _value1, \
205 MC_CMD_ ## _name2, _value2, \
206 MC_CMD_ ## _name3, _value3, \
207 MC_CMD_ ## _name4, _value4)
208#define MCDI_POPULATE_DWORD_5(_buf, _field, _name1, _value1, \
209 _name2, _value2, _name3, _value3, \
210 _name4, _value4, _name5, _value5) \
211 EFX_POPULATE_DWORD_5(*_MCDI_DWORD(_buf, _field), \
212 MC_CMD_ ## _name1, _value1, \
213 MC_CMD_ ## _name2, _value2, \
214 MC_CMD_ ## _name3, _value3, \
215 MC_CMD_ ## _name4, _value4, \
216 MC_CMD_ ## _name5, _value5)
217#define MCDI_POPULATE_DWORD_6(_buf, _field, _name1, _value1, \
218 _name2, _value2, _name3, _value3, \
219 _name4, _value4, _name5, _value5, \
220 _name6, _value6) \
221 EFX_POPULATE_DWORD_6(*_MCDI_DWORD(_buf, _field), \
222 MC_CMD_ ## _name1, _value1, \
223 MC_CMD_ ## _name2, _value2, \
224 MC_CMD_ ## _name3, _value3, \
225 MC_CMD_ ## _name4, _value4, \
226 MC_CMD_ ## _name5, _value5, \
227 MC_CMD_ ## _name6, _value6)
228#define MCDI_POPULATE_DWORD_7(_buf, _field, _name1, _value1, \
229 _name2, _value2, _name3, _value3, \
230 _name4, _value4, _name5, _value5, \
231 _name6, _value6, _name7, _value7) \
232 EFX_POPULATE_DWORD_7(*_MCDI_DWORD(_buf, _field), \
233 MC_CMD_ ## _name1, _value1, \
234 MC_CMD_ ## _name2, _value2, \
235 MC_CMD_ ## _name3, _value3, \
236 MC_CMD_ ## _name4, _value4, \
237 MC_CMD_ ## _name5, _value5, \
238 MC_CMD_ ## _name6, _value6, \
239 MC_CMD_ ## _name7, _value7)
240#define MCDI_SET_QWORD(_buf, _field, _value) \
241 do { \
242 EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[0], \
243 EFX_DWORD_0, (u32)(_value)); \
244 EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[1], \
245 EFX_DWORD_0, (u64)(_value) >> 32); \
246 } while (0)
247#define MCDI_QWORD(_buf, _field) \
248 (EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[0], EFX_DWORD_0) | \
249 (u64)EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[1], EFX_DWORD_0) << 32)
250#define MCDI_FIELD(_ptr, _type, _field) \
251 EFX_EXTRACT_DWORD( \
252 *(efx_dword_t *) \
253 _MCDI_PTR(_ptr, MC_CMD_ ## _type ## _ ## _field ## _OFST & ~3),\
254 MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f, \
255 (MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f) + \
256 MC_CMD_ ## _type ## _ ## _field ## _WIDTH - 1)
257
258#define _MCDI_ARRAY_PTR(_buf, _field, _index, _align) \
259 (_MCDI_PTR(_buf, _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, _align))\
260 + (_index) * _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _LEN, _align))
261#define MCDI_DECLARE_STRUCT_PTR(_name) \
262 efx_dword_t *_name
263#define MCDI_ARRAY_STRUCT_PTR(_buf, _field, _index) \
264 ((efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))
265#define MCDI_VAR_ARRAY_LEN(_len, _field) \
266 min_t(size_t, MC_CMD_ ## _field ## _MAXNUM, \
267 ((_len) - MC_CMD_ ## _field ## _OFST) / MC_CMD_ ## _field ## _LEN)
268#define MCDI_ARRAY_WORD(_buf, _field, _index) \
269 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \
270 le16_to_cpu(*(__force const __le16 *) \
271 _MCDI_ARRAY_PTR(_buf, _field, _index, 2)))
272#define _MCDI_ARRAY_DWORD(_buf, _field, _index) \
273 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 4) + \
274 (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))
275#define MCDI_SET_ARRAY_DWORD(_buf, _field, _index, _value) \
276 EFX_SET_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), \
277 EFX_DWORD_0, _value)
278#define MCDI_ARRAY_DWORD(_buf, _field, _index) \
279 EFX_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), EFX_DWORD_0)
280#define _MCDI_ARRAY_QWORD(_buf, _field, _index) \
281 (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 8) + \
282 (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4))
283#define MCDI_SET_ARRAY_QWORD(_buf, _field, _index, _value) \
284 do { \
285 EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[0],\
286 EFX_DWORD_0, (u32)(_value)); \
287 EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[1],\
288 EFX_DWORD_0, (u64)(_value) >> 32); \
289 } while (0)
290#define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \
291 MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index), \
292 _type ## _TYPEDEF, _field2)
293
294#define MCDI_EVENT_FIELD(_ev, _field) \
295 EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
296
297void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);
298int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
299 u16 *fw_subtype_list, u32 *capabilities);
300int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, u32 dest_evq);
301int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);
302int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
303 size_t *size_out, size_t *erase_size_out,
304 bool *protected_out);
305int efx_mcdi_nvram_test_all(struct efx_nic *efx);
306int efx_mcdi_handle_assertion(struct efx_nic *efx);
307void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
308int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx, const u8 *mac,
309 int *id_out);
310int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out);
311int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);
312int efx_mcdi_wol_filter_reset(struct efx_nic *efx);
313int efx_mcdi_flush_rxqs(struct efx_nic *efx);
314int efx_mcdi_port_probe(struct efx_nic *efx);
315void efx_mcdi_port_remove(struct efx_nic *efx);
316int efx_mcdi_port_reconfigure(struct efx_nic *efx);
317int efx_mcdi_port_get_number(struct efx_nic *efx);
318u32 efx_mcdi_phy_get_caps(struct efx_nic *efx);
319void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev);
320int efx_mcdi_set_mac(struct efx_nic *efx);
321#define EFX_MC_STATS_GENERATION_INVALID ((__force __le64)(-1))
322void efx_mcdi_mac_start_stats(struct efx_nic *efx);
323void efx_mcdi_mac_stop_stats(struct efx_nic *efx);
324void efx_mcdi_mac_pull_stats(struct efx_nic *efx);
325bool efx_mcdi_mac_check_fault(struct efx_nic *efx);
326enum reset_type efx_mcdi_map_reset_reason(enum reset_type reason);
327int efx_mcdi_reset(struct efx_nic *efx, enum reset_type method);
328int efx_mcdi_set_workaround(struct efx_nic *efx, u32 type, bool enabled);
329
330#ifdef CONFIG_SFC_MCDI_MON
331int efx_mcdi_mon_probe(struct efx_nic *efx);
332void efx_mcdi_mon_remove(struct efx_nic *efx);
333#else
334static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; }
335static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {}
336#endif
337
338#ifdef CONFIG_SFC_MTD
339int efx_mcdi_mtd_read(struct mtd_info *mtd, loff_t start, size_t len,
340 size_t *retlen, u8 *buffer);
341int efx_mcdi_mtd_erase(struct mtd_info *mtd, loff_t start, size_t len);
342int efx_mcdi_mtd_write(struct mtd_info *mtd, loff_t start, size_t len,
343 size_t *retlen, const u8 *buffer);
344int efx_mcdi_mtd_sync(struct mtd_info *mtd);
345void efx_mcdi_mtd_rename(struct efx_mtd_partition *part);
346#endif
347
348#endif
349
