1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2014, 2018-2025 Intel Corporation
4 * Copyright (C) 2014-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7 #ifndef __fw_error_dump_h__
8 #define __fw_error_dump_h__
9
10 #include <linux/types.h>
11 #include "fw/api/cmdhdr.h"
12
13 #define IWL_FW_ERROR_DUMP_BARKER 0x14789632
14 #define IWL_FW_INI_ERROR_DUMP_BARKER 0x14789633
15
16 /**
17 * enum iwl_fw_error_dump_type - types of data in the dump file
18 * @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
19 * @IWL_FW_ERROR_DUMP_RXF: RX FIFO contents
20 * @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
21 * &struct iwl_fw_error_dump_txcmd packets
22 * @IWL_FW_ERROR_DUMP_DEV_FW_INFO: struct %iwl_fw_error_dump_info
23 * info on the device / firmware.
24 * @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
25 * @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
26 * sections like this in a single file.
27 * @IWL_FW_ERROR_DUMP_TXF: TX FIFO contents
28 * @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
29 * @IWL_FW_ERROR_DUMP_MEM: chunk of memory
30 * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
31 * Structured as &struct iwl_fw_error_dump_trigger_desc.
32 * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
33 * &struct iwl_fw_error_dump_rb
34 * @IWL_FW_ERROR_DUMP_PAGING: UMAC's image memory segments which were
35 * paged to the DRAM.
36 * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers.
37 * @IWL_FW_ERROR_DUMP_INTERNAL_TXF: internal TX FIFO data
38 * @IWL_FW_ERROR_DUMP_EXTERNAL: used only by external code utilities, and
39 * for that reason is not in use in any other place in the Linux Wi-Fi
40 * stack.
41 * @IWL_FW_ERROR_DUMP_MEM_CFG: the addresses and sizes of fifos in the smem,
42 * which we get from the fw after ALIVE. The content is structured as
43 * &struct iwl_fw_error_dump_smem_cfg.
44 * @IWL_FW_ERROR_DUMP_D3_DEBUG_DATA: D3 debug data
45 */
46 enum iwl_fw_error_dump_type {
47 /* 0 is deprecated */
48 IWL_FW_ERROR_DUMP_CSR = 1,
49 IWL_FW_ERROR_DUMP_RXF = 2,
50 IWL_FW_ERROR_DUMP_TXCMD = 3,
51 IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
52 IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
53 IWL_FW_ERROR_DUMP_PRPH = 6,
54 IWL_FW_ERROR_DUMP_TXF = 7,
55 IWL_FW_ERROR_DUMP_FH_REGS = 8,
56 IWL_FW_ERROR_DUMP_MEM = 9,
57 IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
58 IWL_FW_ERROR_DUMP_RB = 11,
59 IWL_FW_ERROR_DUMP_PAGING = 12,
60 IWL_FW_ERROR_DUMP_RADIO_REG = 13,
61 IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14,
62 IWL_FW_ERROR_DUMP_EXTERNAL = 15, /* Do not move */
63 IWL_FW_ERROR_DUMP_MEM_CFG = 16,
64 IWL_FW_ERROR_DUMP_D3_DEBUG_DATA = 17,
65 };
66
67 /**
68 * struct iwl_fw_error_dump_data - data for one type
69 * @type: &enum iwl_fw_error_dump_type
70 * @len: the length starting from %data
71 * @data: the data itself
72 */
73 struct iwl_fw_error_dump_data {
74 __le32 type;
75 __le32 len;
76 __u8 data[];
77 } __packed;
78
79 /**
80 * struct iwl_dump_file_name_info - data for dump file name addition
81 * @type: region type with reserved bits
82 * @len: the length of file name string to be added to dump file
83 * @data: the string need to be added to dump file
84 */
85 struct iwl_dump_file_name_info {
86 __le32 type;
87 __le32 len;
88 __u8 data[];
89 } __packed;
90
91 /**
92 * struct iwl_fw_error_dump_file - the layout of the header of the file
93 * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
94 * @file_len: the length of all the file starting from %barker
95 * @data: array of &struct iwl_fw_error_dump_data
96 */
97 struct iwl_fw_error_dump_file {
98 __le32 barker;
99 __le32 file_len;
100 u8 data[];
101 } __packed;
102
103 /**
104 * struct iwl_fw_error_dump_txcmd - TX command data
105 * @cmdlen: original length of command
106 * @caplen: captured length of command (may be less)
107 * @data: captured command data, @caplen bytes
108 */
109 struct iwl_fw_error_dump_txcmd {
110 __le32 cmdlen;
111 __le32 caplen;
112 u8 data[];
113 } __packed;
114
115 /**
116 * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
117 * @fifo_num: number of FIFO (starting from 0)
118 * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
119 * @wr_ptr: position of write pointer
120 * @rd_ptr: position of read pointer
121 * @fence_ptr: position of fence pointer
122 * @fence_mode: the current mode of the fence (before locking) -
123 * 0=follow RD pointer ; 1 = freeze
124 * @data: all of the FIFO's data
125 */
126 struct iwl_fw_error_dump_fifo {
127 __le32 fifo_num;
128 __le32 available_bytes;
129 __le32 wr_ptr;
130 __le32 rd_ptr;
131 __le32 fence_ptr;
132 __le32 fence_mode;
133 u8 data[];
134 } __packed;
135
136 enum iwl_fw_error_dump_family {
137 IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
138 IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
139 };
140
141 #define MAX_NUM_LMAC 2
142
143 /**
144 * struct iwl_fw_error_dump_info - info on the device / firmware
145 * @hw_type: the type of the device
146 * @hw_step: the step of the device
147 * @fw_human_readable: human readable FW version
148 * @dev_human_readable: name of the device
149 * @bus_human_readable: name of the bus used
150 * @num_of_lmacs: the number of lmacs
151 * @lmac_err_id: the lmac 0/1 error_id/rt_status that triggered the latest dump
152 * if the dump collection was not initiated by an assert, the value is 0
153 * @umac_err_id: the umac error_id/rt_status that triggered the latest dump
154 * if the dump collection was not initiated by an assert, the value is 0
155 */
156 struct iwl_fw_error_dump_info {
157 __le32 hw_type;
158 __le32 hw_step;
159 u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
160 u8 dev_human_readable[64];
161 u8 bus_human_readable[8];
162 u8 num_of_lmacs;
163 __le32 umac_err_id;
164 __le32 lmac_err_id[MAX_NUM_LMAC];
165 } __packed;
166
167 /**
168 * struct iwl_fw_error_dump_fw_mon - FW monitor data
169 * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
170 * @fw_mon_base_ptr: base pointer of the data
171 * @fw_mon_cycle_cnt: number of wraparounds
172 * @fw_mon_base_high_ptr: used in AX210 devices, the base address is 64 bit
173 * so fw_mon_base_ptr holds LSB 32 bits and fw_mon_base_high_ptr hold
174 * MSB 32 bits
175 * @reserved: for future use
176 * @data: captured data
177 */
178 struct iwl_fw_error_dump_fw_mon {
179 __le32 fw_mon_wr_ptr;
180 __le32 fw_mon_base_ptr;
181 __le32 fw_mon_cycle_cnt;
182 __le32 fw_mon_base_high_ptr;
183 __le32 reserved[2];
184 u8 data[];
185 } __packed;
186
187 #define MAX_NUM_LMAC 2
188 #define TX_FIFO_INTERNAL_MAX_NUM 6
189 #define TX_FIFO_MAX_NUM 15
190 /**
191 * struct iwl_fw_error_dump_smem_cfg - Dump SMEM configuration
192 * This must follow &struct iwl_fwrt_shared_mem_cfg.
193 * @num_lmacs: number of lmacs
194 * @num_txfifo_entries: number of tx fifos
195 * @lmac: sizes of lmacs txfifos and rxfifo1
196 * @rxfifo2_size: size of rxfifo2
197 * @internal_txfifo_addr: address of internal tx fifo
198 * @internal_txfifo_size: size of internal tx fifo
199 */
200 struct iwl_fw_error_dump_smem_cfg {
201 __le32 num_lmacs;
202 __le32 num_txfifo_entries;
203 struct {
204 __le32 txfifo_size[TX_FIFO_MAX_NUM];
205 __le32 rxfifo1_size;
206 } lmac[MAX_NUM_LMAC];
207 __le32 rxfifo2_size;
208 __le32 internal_txfifo_addr;
209 __le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
210 } __packed;
211 /**
212 * struct iwl_fw_error_dump_prph - periphery registers data
213 * @prph_start: address of the first register in this chunk
214 * @data: the content of the registers
215 */
216 struct iwl_fw_error_dump_prph {
217 __le32 prph_start;
218 __le32 data[];
219 };
220
221 enum iwl_fw_error_dump_mem_type {
222 IWL_FW_ERROR_DUMP_MEM_SRAM,
223 IWL_FW_ERROR_DUMP_MEM_SMEM,
224 IWL_FW_ERROR_DUMP_MEM_NAMED_MEM = 10,
225 };
226
227 /**
228 * struct iwl_fw_error_dump_mem - chunk of memory
229 * @type: &enum iwl_fw_error_dump_mem_type
230 * @offset: the offset from which the memory was read
231 * @data: the content of the memory
232 */
233 struct iwl_fw_error_dump_mem {
234 __le32 type;
235 __le32 offset;
236 u8 data[];
237 };
238
239 /* Dump version, used by the dump parser to differentiate between
240 * different dump formats
241 */
242 #define IWL_INI_DUMP_VER 1
243
244 /* Use bit 31 as dump info type to avoid colliding with region types */
245 #define IWL_INI_DUMP_INFO_TYPE BIT(31)
246
247 /* Use bit 31 and bit 24 as dump name type to avoid colliding with region types */
248 #define IWL_INI_DUMP_NAME_TYPE (BIT(31) | BIT(24))
249
250 /**
251 * struct iwl_fw_ini_error_dump_data - data for one type
252 * @type: &enum iwl_fw_ini_region_type
253 * @sub_type: sub type id
254 * @sub_type_ver: sub type version
255 * @reserved: not in use
256 * @len: the length starting from %data
257 * @data: the data itself
258 */
259 struct iwl_fw_ini_error_dump_data {
260 u8 type;
261 u8 sub_type;
262 u8 sub_type_ver;
263 u8 reserved;
264 __le32 len;
265 __u8 data[];
266 } __packed;
267
268 /**
269 * struct iwl_fw_ini_dump_entry
270 * @list: list of dump entries
271 * @size: size of the data
272 * @data: entry data
273 */
274 struct iwl_fw_ini_dump_entry {
275 struct list_head list;
276 u32 size;
277 u8 data[];
278 } __packed;
279
280 /**
281 * struct iwl_fw_ini_dump_file_hdr - header of dump file
282 * @barker: must be %IWL_FW_INI_ERROR_DUMP_BARKER
283 * @file_len: the length of all the file including the header
284 */
285 struct iwl_fw_ini_dump_file_hdr {
286 __le32 barker;
287 __le32 file_len;
288 } __packed;
289
290 /**
291 * struct iwl_fw_ini_fifo_hdr - fifo range header
292 * @fifo_num: the fifo number. In case of umac rx fifo, set BIT(31) to
293 * distinguish between lmac and umac rx fifos
294 * @num_of_registers: num of registers to dump, dword size each
295 */
296 struct iwl_fw_ini_fifo_hdr {
297 __le32 fifo_num;
298 __le32 num_of_registers;
299 } __packed;
300
301 /**
302 * struct iwl_fw_ini_error_dump_range - range of memory
303 * @range_data_size: the size of this range, in bytes
304 * @internal_base_addr: base address of internal memory range
305 * @dram_base_addr: base address of dram monitor range
306 * @page_num: page number of memory range
307 * @fifo_hdr: fifo header of memory range
308 * @fw_pkt: FW packet header of memory range
309 * @data: the actual memory
310 */
311 struct iwl_fw_ini_error_dump_range {
312 __le32 range_data_size;
313 union {
314 __le32 internal_base_addr __packed;
315 __le64 dram_base_addr __packed;
316 __le32 page_num __packed;
317 struct iwl_fw_ini_fifo_hdr fifo_hdr;
318 struct iwl_cmd_header fw_pkt_hdr;
319 };
320 __le32 data[];
321 } __packed;
322
323 /**
324 * struct iwl_fw_ini_error_dump_header - ini region dump header
325 * @version: dump version
326 * @region_id: id of the region
327 * @num_of_ranges: number of ranges in this region
328 * @name_len: number of bytes allocated to the name string of this region
329 * @name: name of the region
330 */
331 struct iwl_fw_ini_error_dump_header {
332 __le32 version;
333 __le32 region_id;
334 __le32 num_of_ranges;
335 __le32 name_len;
336 u8 name[IWL_FW_INI_MAX_NAME];
337 };
338
339 /**
340 * struct iwl_fw_ini_error_dump - ini region dump
341 * @header: the header of this region
342 * @data: data of memory ranges in this region,
343 * see &struct iwl_fw_ini_error_dump_range
344 */
345 struct iwl_fw_ini_error_dump {
346 struct iwl_fw_ini_error_dump_header header;
347 u8 data[];
348 } __packed;
349
350 /* This bit is used to differentiate between lmac and umac rxf */
351 #define IWL_RXF_UMAC_BIT BIT(31)
352
353 /**
354 * struct iwl_fw_ini_error_dump_register - ini register dump
355 * @addr: address of the register
356 * @data: data of the register
357 */
358 struct iwl_fw_ini_error_dump_register {
359 __le32 addr;
360 __le32 data;
361 } __packed;
362
363 /**
364 * struct iwl_fw_ini_dump_cfg_name - configuration name
365 * @image_type: image type the configuration is related to
366 * @cfg_name_len: length of the configuration name
367 * @cfg_name: name of the configuraiton
368 */
369 struct iwl_fw_ini_dump_cfg_name {
370 __le32 image_type;
371 __le32 cfg_name_len;
372 u8 cfg_name[IWL_FW_INI_MAX_CFG_NAME];
373 } __packed;
374
375 #define IWL_JACKET_CDB_SHIFT 12
376
377 /* struct iwl_fw_ini_dump_info - ini dump information
378 * @version: dump version
379 * @time_point: time point that caused the dump collection
380 * @trigger_reason: reason of the trigger
381 * @external_cfg_state: &enum iwl_ini_cfg_state
382 * @ver_type: FW version type
383 * @ver_subtype: FW version subype
384 * @hw_step: HW step
385 * @hw_type: HW type
386 * @rf_id_flavor: HW RF id flavor
387 * @rf_id_dash: HW RF id dash
388 * @rf_id_step: HW RF id step
389 * @rf_id_type: HW RF id type
390 * @lmac_major: lmac major version
391 * @lmac_minor: lmac minor version
392 * @umac_major: umac major version
393 * @umac_minor: umac minor version
394 * @fw_mon_mode: FW monitor mode &enum iwl_fw_ini_buffer_location
395 * @regions_mask: bitmap mask of regions ids in the dump
396 * @build_tag_len: length of the build tag
397 * @build_tag: build tag string
398 * @num_of_cfg_names: number of configuration name structs
399 * @cfg_names: configuration names
400 */
401 struct iwl_fw_ini_dump_info {
402 __le32 version;
403 __le32 time_point;
404 __le32 trigger_reason;
405 __le32 external_cfg_state;
406 __le32 ver_type;
407 __le32 ver_subtype;
408 __le32 hw_step;
409 __le32 hw_type;
410 __le32 rf_id_flavor;
411 __le32 rf_id_dash;
412 __le32 rf_id_step;
413 __le32 rf_id_type;
414 __le32 lmac_major;
415 __le32 lmac_minor;
416 __le32 umac_major;
417 __le32 umac_minor;
418 __le32 fw_mon_mode;
419 __le64 regions_mask;
420 __le32 build_tag_len;
421 u8 build_tag[FW_VER_HUMAN_READABLE_SZ];
422 __le32 num_of_cfg_names;
423 struct iwl_fw_ini_dump_cfg_name cfg_names[];
424 } __packed;
425
426 /**
427 * struct iwl_fw_ini_err_table_dump - ini error table dump
428 * @header: header of the region
429 * @version: error table version
430 * @data: data of memory ranges in this region,
431 * see &struct iwl_fw_ini_error_dump_range
432 */
433 struct iwl_fw_ini_err_table_dump {
434 struct iwl_fw_ini_error_dump_header header;
435 __le32 version;
436 u8 data[];
437 } __packed;
438
439 /**
440 * struct iwl_fw_error_dump_rb - content of an Receive Buffer
441 * @index: the index of the Receive Buffer in the Rx queue
442 * @rxq: the RB's Rx queue
443 * @reserved: reserved
444 * @data: the content of the Receive Buffer
445 */
446 struct iwl_fw_error_dump_rb {
447 __le32 index;
448 __le32 rxq;
449 __le32 reserved;
450 u8 data[];
451 };
452
453 /**
454 * struct iwl_fw_ini_monitor_dump - ini monitor dump
455 * @header: header of the region
456 * @write_ptr: write pointer position in the buffer
457 * @cycle_cnt: cycles count
458 * @cur_frag: current fragment in use
459 * @data: data of memory ranges in this region,
460 * see &struct iwl_fw_ini_error_dump_range
461 */
462 struct iwl_fw_ini_monitor_dump {
463 struct iwl_fw_ini_error_dump_header header;
464 __le32 write_ptr;
465 __le32 cycle_cnt;
466 __le32 cur_frag;
467 u8 data[];
468 } __packed;
469
470 /**
471 * struct iwl_fw_ini_special_device_memory - special device memory
472 * @header: header of the region
473 * @type: type of special memory
474 * @version: struct special memory version
475 * @data: data of memory ranges in this region,
476 * see &struct iwl_fw_ini_error_dump_range
477 */
478 struct iwl_fw_ini_special_device_memory {
479 struct iwl_fw_ini_error_dump_header header;
480 __le16 type;
481 __le16 version;
482 u8 data[];
483 } __packed;
484
485 /**
486 * struct iwl_fw_error_dump_paging - content of the UMAC's image page
487 * block on DRAM
488 * @index: the index of the page block
489 * @reserved: reserved
490 * @data: the content of the page block
491 */
492 struct iwl_fw_error_dump_paging {
493 __le32 index;
494 __le32 reserved;
495 u8 data[];
496 };
497
498 /**
499 * iwl_fw_error_next_data - advance fw error dump data pointer
500 * @data: previous data block
501 * Returns: next data block
502 */
503 static inline struct iwl_fw_error_dump_data *
iwl_fw_error_next_data(struct iwl_fw_error_dump_data * data)504 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
505 {
506 return (void *)(data->data + le32_to_cpu(data->len));
507 }
508
509 /**
510 * enum iwl_fw_dbg_trigger - triggers available
511 *
512 * @FW_DBG_TRIGGER_INVALID: invalid trigger value
513 * @FW_DBG_TRIGGER_USER: trigger log collection by user
514 * This should not be defined as a trigger to the driver, but a value the
515 * driver should set to indicate that the trigger was initiated by the
516 * user.
517 * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
518 * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
519 * missed.
520 * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
521 * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
522 * command response or a notification.
523 * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
524 * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
525 * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
526 * goes below a threshold.
527 * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
528 * detection.
529 * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
530 * events.
531 * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
532 * @FW_DBG_TRIGGER_TX_LATENCY: trigger log collection when the tx latency
533 * goes above a threshold.
534 * @FW_DBG_TRIGGER_TDLS: trigger log collection upon TDLS related events.
535 * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
536 * the firmware sends a tx reply.
537 * @FW_DBG_TRIGGER_ALIVE_TIMEOUT: trigger log collection if alive flow timeouts
538 * @FW_DBG_TRIGGER_DRIVER: trigger log collection upon a flow failure
539 * in the driver.
540 * @FW_DBG_TRIGGER_MAX: beyond triggers, number for sizing arrays etc.
541 */
542 enum iwl_fw_dbg_trigger {
543 FW_DBG_TRIGGER_INVALID = 0,
544 FW_DBG_TRIGGER_USER,
545 FW_DBG_TRIGGER_FW_ASSERT,
546 FW_DBG_TRIGGER_MISSED_BEACONS,
547 FW_DBG_TRIGGER_CHANNEL_SWITCH,
548 FW_DBG_TRIGGER_FW_NOTIF,
549 FW_DBG_TRIGGER_MLME,
550 FW_DBG_TRIGGER_STATS,
551 FW_DBG_TRIGGER_RSSI,
552 FW_DBG_TRIGGER_TXQ_TIMERS,
553 FW_DBG_TRIGGER_TIME_EVENT,
554 FW_DBG_TRIGGER_BA,
555 FW_DBG_TRIGGER_TX_LATENCY,
556 FW_DBG_TRIGGER_TDLS,
557 FW_DBG_TRIGGER_TX_STATUS,
558 FW_DBG_TRIGGER_ALIVE_TIMEOUT,
559 FW_DBG_TRIGGER_DRIVER,
560
561 /* must be last */
562 FW_DBG_TRIGGER_MAX,
563 };
564
565 /**
566 * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
567 * @type: &enum iwl_fw_dbg_trigger
568 * @data: raw data about what happened
569 */
570 struct iwl_fw_error_dump_trigger_desc {
571 __le32 type;
572 u8 data[];
573 };
574
575 #endif /* __fw_error_dump_h__ */
576