1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3 * Copyright (C) 2014, 2018-2021 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:
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_FH_REGS: range of FH registers
28 * @IWL_FW_ERROR_DUMP_MEM: chunk of memory
29 * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
30 * Structured as &struct iwl_fw_error_dump_trigger_desc.
31 * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
32 * &struct iwl_fw_error_dump_rb
33 * @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were
34 * paged to the DRAM.
35 * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers.
36 * @IWL_FW_ERROR_DUMP_EXTERNAL: used only by external code utilities, and
37 * for that reason is not in use in any other place in the Linux Wi-Fi
38 * stack.
39 * @IWL_FW_ERROR_DUMP_MEM_CFG: the addresses and sizes of fifos in the smem,
40 * which we get from the fw after ALIVE. The content is structured as
41 * &struct iwl_fw_error_dump_smem_cfg.
42 */
43 enum iwl_fw_error_dump_type {
44 /* 0 is deprecated */
45 IWL_FW_ERROR_DUMP_CSR = 1,
46 IWL_FW_ERROR_DUMP_RXF = 2,
47 IWL_FW_ERROR_DUMP_TXCMD = 3,
48 IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
49 IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
50 IWL_FW_ERROR_DUMP_PRPH = 6,
51 IWL_FW_ERROR_DUMP_TXF = 7,
52 IWL_FW_ERROR_DUMP_FH_REGS = 8,
53 IWL_FW_ERROR_DUMP_MEM = 9,
54 IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
55 IWL_FW_ERROR_DUMP_RB = 11,
56 IWL_FW_ERROR_DUMP_PAGING = 12,
57 IWL_FW_ERROR_DUMP_RADIO_REG = 13,
58 IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14,
59 IWL_FW_ERROR_DUMP_EXTERNAL = 15, /* Do not move */
60 IWL_FW_ERROR_DUMP_MEM_CFG = 16,
61 IWL_FW_ERROR_DUMP_D3_DEBUG_DATA = 17,
62
63 IWL_FW_ERROR_DUMP_MAX,
64 };
65
66 /**
67 * struct iwl_fw_error_dump_data - data for one type
68 * @type: &enum iwl_fw_error_dump_type
69 * @len: the length starting from %data
70 * @data: the data itself
71 */
72 struct iwl_fw_error_dump_data {
73 __le32 type;
74 __le32 len;
75 __u8 data[];
76 } __packed;
77
78 /**
79 * struct iwl_fw_error_dump_file - the layout of the header of the file
80 * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
81 * @file_len: the length of all the file starting from %barker
82 * @data: array of &struct iwl_fw_error_dump_data
83 */
84 struct iwl_fw_error_dump_file {
85 __le32 barker;
86 __le32 file_len;
87 u8 data[];
88 } __packed;
89
90 /**
91 * struct iwl_fw_error_dump_txcmd - TX command data
92 * @cmdlen: original length of command
93 * @caplen: captured length of command (may be less)
94 * @data: captured command data, @caplen bytes
95 */
96 struct iwl_fw_error_dump_txcmd {
97 __le32 cmdlen;
98 __le32 caplen;
99 u8 data[];
100 } __packed;
101
102 /**
103 * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
104 * @fifo_num: number of FIFO (starting from 0)
105 * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
106 * @wr_ptr: position of write pointer
107 * @rd_ptr: position of read pointer
108 * @fence_ptr: position of fence pointer
109 * @fence_mode: the current mode of the fence (before locking) -
110 * 0=follow RD pointer ; 1 = freeze
111 * @data: all of the FIFO's data
112 */
113 struct iwl_fw_error_dump_fifo {
114 __le32 fifo_num;
115 __le32 available_bytes;
116 __le32 wr_ptr;
117 __le32 rd_ptr;
118 __le32 fence_ptr;
119 __le32 fence_mode;
120 u8 data[];
121 } __packed;
122
123 enum iwl_fw_error_dump_family {
124 IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
125 IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
126 };
127
128 #define MAX_NUM_LMAC 2
129
130 /**
131 * struct iwl_fw_error_dump_info - info on the device / firmware
132 * @hw_type: the type of the device
133 * @hw_step: the step of the device
134 * @fw_human_readable: human readable FW version
135 * @dev_human_readable: name of the device
136 * @bus_human_readable: name of the bus used
137 * @num_of_lmacs: the number of lmacs
138 * @lmac_err_id: the lmac 0/1 error_id/rt_status that triggered the latest dump
139 * if the dump collection was not initiated by an assert, the value is 0
140 * @umac_err_id: the umac error_id/rt_status that triggered the latest dump
141 * if the dump collection was not initiated by an assert, the value is 0
142 */
143 struct iwl_fw_error_dump_info {
144 __le32 hw_type;
145 __le32 hw_step;
146 u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
147 u8 dev_human_readable[64];
148 u8 bus_human_readable[8];
149 u8 num_of_lmacs;
150 __le32 umac_err_id;
151 __le32 lmac_err_id[MAX_NUM_LMAC];
152 } __packed;
153
154 /**
155 * struct iwl_fw_error_dump_fw_mon - FW monitor data
156 * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
157 * @fw_mon_base_ptr: base pointer of the data
158 * @fw_mon_cycle_cnt: number of wraparounds
159 * @fw_mon_base_high_ptr: used in AX210 devices, the base adderss is 64 bit
160 * so fw_mon_base_ptr holds LSB 32 bits and fw_mon_base_high_ptr hold
161 * MSB 32 bits
162 * @reserved: for future use
163 * @data: captured data
164 */
165 struct iwl_fw_error_dump_fw_mon {
166 __le32 fw_mon_wr_ptr;
167 __le32 fw_mon_base_ptr;
168 __le32 fw_mon_cycle_cnt;
169 __le32 fw_mon_base_high_ptr;
170 __le32 reserved[2];
171 u8 data[];
172 } __packed;
173
174 #define MAX_NUM_LMAC 2
175 #define TX_FIFO_INTERNAL_MAX_NUM 6
176 #define TX_FIFO_MAX_NUM 15
177 /**
178 * struct iwl_fw_error_dump_smem_cfg - Dump SMEM configuration
179 * This must follow &struct iwl_fwrt_shared_mem_cfg.
180 * @num_lmacs: number of lmacs
181 * @num_txfifo_entries: number of tx fifos
182 * @lmac: sizes of lmacs txfifos and rxfifo1
183 * @rxfifo2_size: size of rxfifo2
184 * @internal_txfifo_addr: address of internal tx fifo
185 * @internal_txfifo_size: size of internal tx fifo
186 */
187 struct iwl_fw_error_dump_smem_cfg {
188 __le32 num_lmacs;
189 __le32 num_txfifo_entries;
190 struct {
191 __le32 txfifo_size[TX_FIFO_MAX_NUM];
192 __le32 rxfifo1_size;
193 } lmac[MAX_NUM_LMAC];
194 __le32 rxfifo2_size;
195 __le32 internal_txfifo_addr;
196 __le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
197 } __packed;
198 /**
199 * struct iwl_fw_error_dump_prph - periphery registers data
200 * @prph_start: address of the first register in this chunk
201 * @data: the content of the registers
202 */
203 struct iwl_fw_error_dump_prph {
204 __le32 prph_start;
205 __le32 data[];
206 };
207
208 enum iwl_fw_error_dump_mem_type {
209 IWL_FW_ERROR_DUMP_MEM_SRAM,
210 IWL_FW_ERROR_DUMP_MEM_SMEM,
211 IWL_FW_ERROR_DUMP_MEM_NAMED_MEM = 10,
212 };
213
214 /**
215 * struct iwl_fw_error_dump_mem - chunk of memory
216 * @type: &enum iwl_fw_error_dump_mem_type
217 * @offset: the offset from which the memory was read
218 * @data: the content of the memory
219 */
220 struct iwl_fw_error_dump_mem {
221 __le32 type;
222 __le32 offset;
223 u8 data[];
224 };
225
226 /* Dump version, used by the dump parser to differentiate between
227 * different dump formats
228 */
229 #define IWL_INI_DUMP_VER 1
230
231 /* Use bit 31 as dump info type to avoid colliding with region types */
232 #define IWL_INI_DUMP_INFO_TYPE BIT(31)
233
234 /**
235 * struct iwl_fw_error_dump_data - data for one type
236 * @type: &enum iwl_fw_ini_region_type
237 * @sub_type: sub type id
238 * @sub_type_ver: sub type version
239 * @reserved: not in use
240 * @len: the length starting from %data
241 * @data: the data itself
242 */
243 struct iwl_fw_ini_error_dump_data {
244 u8 type;
245 u8 sub_type;
246 u8 sub_type_ver;
247 u8 reserved;
248 __le32 len;
249 __u8 data[];
250 } __packed;
251
252 /**
253 * struct iwl_fw_ini_dump_entry
254 * @list: list of dump entries
255 * @size: size of the data
256 * @data: entry data
257 */
258 struct iwl_fw_ini_dump_entry {
259 struct list_head list;
260 u32 size;
261 u8 data[];
262 } __packed;
263
264 /**
265 * struct iwl_fw_error_dump_file - header of dump file
266 * @barker: must be %IWL_FW_INI_ERROR_DUMP_BARKER
267 * @file_len: the length of all the file including the header
268 */
269 struct iwl_fw_ini_dump_file_hdr {
270 __le32 barker;
271 __le32 file_len;
272 } __packed;
273
274 /**
275 * struct iwl_fw_ini_fifo_hdr - fifo range header
276 * @fifo_num: the fifo number. In case of umac rx fifo, set BIT(31) to
277 * distinguish between lmac and umac rx fifos
278 * @num_of_registers: num of registers to dump, dword size each
279 */
280 struct iwl_fw_ini_fifo_hdr {
281 __le32 fifo_num;
282 __le32 num_of_registers;
283 } __packed;
284
285 /**
286 * struct iwl_fw_ini_error_dump_range - range of memory
287 * @range_data_size: the size of this range, in bytes
288 * @internal_base_addr: base address of internal memory range
289 * @dram_base_addr: base address of dram monitor range
290 * @page_num: page number of memory range
291 * @fifo_hdr: fifo header of memory range
292 * @fw_pkt: FW packet header of memory range
293 * @data: the actual memory
294 */
295 struct iwl_fw_ini_error_dump_range {
296 __le32 range_data_size;
297 union {
298 __le32 internal_base_addr __packed;
299 __le64 dram_base_addr __packed;
300 __le32 page_num __packed;
301 struct iwl_fw_ini_fifo_hdr fifo_hdr;
302 struct iwl_cmd_header fw_pkt_hdr;
303 };
304 __le32 data[];
305 } __packed;
306
307 /**
308 * struct iwl_fw_ini_error_dump_header - ini region dump header
309 * @version: dump version
310 * @region_id: id of the region
311 * @num_of_ranges: number of ranges in this region
312 * @name_len: number of bytes allocated to the name string of this region
313 * @name: name of the region
314 */
315 struct iwl_fw_ini_error_dump_header {
316 __le32 version;
317 __le32 region_id;
318 __le32 num_of_ranges;
319 __le32 name_len;
320 u8 name[IWL_FW_INI_MAX_NAME];
321 };
322
323 /**
324 * struct iwl_fw_ini_error_dump - ini region dump
325 * @header: the header of this region
326 * @data: data of memory ranges in this region,
327 * see &struct iwl_fw_ini_error_dump_range
328 */
329 struct iwl_fw_ini_error_dump {
330 struct iwl_fw_ini_error_dump_header header;
331 u8 data[];
332 } __packed;
333
334 /* This bit is used to differentiate between lmac and umac rxf */
335 #define IWL_RXF_UMAC_BIT BIT(31)
336
337 /**
338 * struct iwl_fw_ini_error_dump_register - ini register dump
339 * @addr: address of the register
340 * @data: data of the register
341 */
342 struct iwl_fw_ini_error_dump_register {
343 __le32 addr;
344 __le32 data;
345 } __packed;
346
347 /**
348 * struct iwl_fw_ini_dump_cfg_name - configuration name
349 * @image_type: image type the configuration is related to
350 * @cfg_name_len: length of the configuration name
351 * @cfg_name: name of the configuraiton
352 */
353 struct iwl_fw_ini_dump_cfg_name {
354 __le32 image_type;
355 __le32 cfg_name_len;
356 u8 cfg_name[IWL_FW_INI_MAX_CFG_NAME];
357 } __packed;
358
359 /* AX210's HW type */
360 #define IWL_AX210_HW_TYPE 0x42
361 /* How many bits to roll when adding to the HW type of AX210 HW */
362 #define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12
363
364 /* struct iwl_fw_ini_dump_info - ini dump information
365 * @version: dump version
366 * @time_point: time point that caused the dump collection
367 * @trigger_reason: reason of the trigger
368 * @external_cfg_state: &enum iwl_ini_cfg_state
369 * @ver_type: FW version type
370 * @ver_subtype: FW version subype
371 * @hw_step: HW step
372 * @hw_type: HW type
373 * @rf_id_flavor: HW RF id flavor
374 * @rf_id_dash: HW RF id dash
375 * @rf_id_step: HW RF id step
376 * @rf_id_type: HW RF id type
377 * @lmac_major: lmac major version
378 * @lmac_minor: lmac minor version
379 * @umac_major: umac major version
380 * @umac_minor: umac minor version
381 * @fw_mon_mode: FW monitor mode &enum iwl_fw_ini_buffer_location
382 * @regions_mask: bitmap mask of regions ids in the dump
383 * @build_tag_len: length of the build tag
384 * @build_tag: build tag string
385 * @num_of_cfg_names: number of configuration name structs
386 * @cfg_names: configuration names
387 */
388 struct iwl_fw_ini_dump_info {
389 __le32 version;
390 __le32 time_point;
391 __le32 trigger_reason;
392 __le32 external_cfg_state;
393 __le32 ver_type;
394 __le32 ver_subtype;
395 __le32 hw_step;
396 __le32 hw_type;
397 __le32 rf_id_flavor;
398 __le32 rf_id_dash;
399 __le32 rf_id_step;
400 __le32 rf_id_type;
401 __le32 lmac_major;
402 __le32 lmac_minor;
403 __le32 umac_major;
404 __le32 umac_minor;
405 __le32 fw_mon_mode;
406 __le64 regions_mask;
407 __le32 build_tag_len;
408 u8 build_tag[FW_VER_HUMAN_READABLE_SZ];
409 __le32 num_of_cfg_names;
410 struct iwl_fw_ini_dump_cfg_name cfg_names[];
411 } __packed;
412
413 /**
414 * struct iwl_fw_ini_err_table_dump - ini error table dump
415 * @header: header of the region
416 * @version: error table version
417 * @data: data of memory ranges in this region,
418 * see &struct iwl_fw_ini_error_dump_range
419 */
420 struct iwl_fw_ini_err_table_dump {
421 struct iwl_fw_ini_error_dump_header header;
422 __le32 version;
423 u8 data[];
424 } __packed;
425
426 /**
427 * struct iwl_fw_error_dump_rb - content of an Receive Buffer
428 * @index: the index of the Receive Buffer in the Rx queue
429 * @rxq: the RB's Rx queue
430 * @reserved:
431 * @data: the content of the Receive Buffer
432 */
433 struct iwl_fw_error_dump_rb {
434 __le32 index;
435 __le32 rxq;
436 __le32 reserved;
437 u8 data[];
438 };
439
440 /**
441 * struct iwl_fw_ini_monitor_dump - ini monitor dump
442 * @header: header of the region
443 * @write_ptr: write pointer position in the buffer
444 * @cycle_cnt: cycles count
445 * @cur_frag: current fragment in use
446 * @data: data of memory ranges in this region,
447 * see &struct iwl_fw_ini_error_dump_range
448 */
449 struct iwl_fw_ini_monitor_dump {
450 struct iwl_fw_ini_error_dump_header header;
451 __le32 write_ptr;
452 __le32 cycle_cnt;
453 __le32 cur_frag;
454 u8 data[];
455 } __packed;
456
457 /**
458 * struct iwl_fw_ini_special_device_memory - special device memory
459 * @header: header of the region
460 * @type: type of special memory
461 * @version: struct special memory version
462 * @data: data of memory ranges in this region,
463 * see &struct iwl_fw_ini_error_dump_range
464 */
465 struct iwl_fw_ini_special_device_memory {
466 struct iwl_fw_ini_error_dump_header header;
467 __le16 type;
468 __le16 version;
469 u8 data[];
470 } __packed;
471
472 /**
473 * struct iwl_fw_error_dump_paging - content of the UMAC's image page
474 * block on DRAM
475 * @index: the index of the page block
476 * @reserved:
477 * @data: the content of the page block
478 */
479 struct iwl_fw_error_dump_paging {
480 __le32 index;
481 __le32 reserved;
482 u8 data[];
483 };
484
485 /**
486 * iwl_fw_error_next_data - advance fw error dump data pointer
487 * @data: previous data block
488 * Returns: next data block
489 */
490 static inline struct iwl_fw_error_dump_data *
iwl_fw_error_next_data(struct iwl_fw_error_dump_data * data)491 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
492 {
493 return (void *)(data->data + le32_to_cpu(data->len));
494 }
495
496 /**
497 * enum iwl_fw_dbg_trigger - triggers available
498 *
499 * @FW_DBG_TRIGGER_USER: trigger log collection by user
500 * This should not be defined as a trigger to the driver, but a value the
501 * driver should set to indicate that the trigger was initiated by the
502 * user.
503 * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
504 * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
505 * missed.
506 * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
507 * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
508 * command response or a notification.
509 * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
510 * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
511 * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
512 * goes below a threshold.
513 * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
514 * detection.
515 * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
516 * events.
517 * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
518 * @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
519 * threshold.
520 * @FW_DBG_TDLS: trigger log collection upon TDLS related events.
521 * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
522 * the firmware sends a tx reply.
523 * @FW_DBG_TRIGGER_ALIVE_TIMEOUT: trigger log collection if alive flow timeouts
524 * @FW_DBG_TRIGGER_DRIVER: trigger log collection upon a flow failure
525 * in the driver.
526 */
527 enum iwl_fw_dbg_trigger {
528 FW_DBG_TRIGGER_INVALID = 0,
529 FW_DBG_TRIGGER_USER,
530 FW_DBG_TRIGGER_FW_ASSERT,
531 FW_DBG_TRIGGER_MISSED_BEACONS,
532 FW_DBG_TRIGGER_CHANNEL_SWITCH,
533 FW_DBG_TRIGGER_FW_NOTIF,
534 FW_DBG_TRIGGER_MLME,
535 FW_DBG_TRIGGER_STATS,
536 FW_DBG_TRIGGER_RSSI,
537 FW_DBG_TRIGGER_TXQ_TIMERS,
538 FW_DBG_TRIGGER_TIME_EVENT,
539 FW_DBG_TRIGGER_BA,
540 FW_DBG_TRIGGER_TX_LATENCY,
541 FW_DBG_TRIGGER_TDLS,
542 FW_DBG_TRIGGER_TX_STATUS,
543 FW_DBG_TRIGGER_ALIVE_TIMEOUT,
544 FW_DBG_TRIGGER_DRIVER,
545
546 /* must be last */
547 FW_DBG_TRIGGER_MAX,
548 };
549
550 /**
551 * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
552 * @type: &enum iwl_fw_dbg_trigger
553 * @data: raw data about what happened
554 */
555 struct iwl_fw_error_dump_trigger_desc {
556 __le32 type;
557 u8 data[];
558 };
559
560 #endif /* __fw_error_dump_h__ */
561