1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2014, 2018-2024 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 adderss 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 /* AX210's HW type */
376 #define IWL_AX210_HW_TYPE 0x42
377 /* How many bits to roll when adding to the HW type of AX210 HW */
378 #define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12
379 
380 /* struct iwl_fw_ini_dump_info - ini dump information
381  * @version: dump version
382  * @time_point: time point that caused the dump collection
383  * @trigger_reason: reason of the trigger
384  * @external_cfg_state: &enum iwl_ini_cfg_state
385  * @ver_type: FW version type
386  * @ver_subtype: FW version subype
387  * @hw_step: HW step
388  * @hw_type: HW type
389  * @rf_id_flavor: HW RF id flavor
390  * @rf_id_dash: HW RF id dash
391  * @rf_id_step: HW RF id step
392  * @rf_id_type: HW RF id type
393  * @lmac_major: lmac major version
394  * @lmac_minor: lmac minor version
395  * @umac_major: umac major version
396  * @umac_minor: umac minor version
397  * @fw_mon_mode: FW monitor mode &enum iwl_fw_ini_buffer_location
398  * @regions_mask: bitmap mask of regions ids in the dump
399  * @build_tag_len: length of the build tag
400  * @build_tag: build tag string
401  * @num_of_cfg_names: number of configuration name structs
402  * @cfg_names: configuration names
403  */
404 struct iwl_fw_ini_dump_info {
405 	__le32 version;
406 	__le32 time_point;
407 	__le32 trigger_reason;
408 	__le32 external_cfg_state;
409 	__le32 ver_type;
410 	__le32 ver_subtype;
411 	__le32 hw_step;
412 	__le32 hw_type;
413 	__le32 rf_id_flavor;
414 	__le32 rf_id_dash;
415 	__le32 rf_id_step;
416 	__le32 rf_id_type;
417 	__le32 lmac_major;
418 	__le32 lmac_minor;
419 	__le32 umac_major;
420 	__le32 umac_minor;
421 	__le32 fw_mon_mode;
422 	__le64 regions_mask;
423 	__le32 build_tag_len;
424 	u8 build_tag[FW_VER_HUMAN_READABLE_SZ];
425 	__le32 num_of_cfg_names;
426 	struct iwl_fw_ini_dump_cfg_name cfg_names[];
427 } __packed;
428 
429 /**
430  * struct iwl_fw_ini_err_table_dump - ini error table dump
431  * @header: header of the region
432  * @version: error table version
433  * @data: data of memory ranges in this region,
434  *	see &struct iwl_fw_ini_error_dump_range
435  */
436 struct iwl_fw_ini_err_table_dump {
437 	struct iwl_fw_ini_error_dump_header header;
438 	__le32 version;
439 	u8 data[];
440 } __packed;
441 
442 /**
443  * struct iwl_fw_error_dump_rb - content of an Receive Buffer
444  * @index: the index of the Receive Buffer in the Rx queue
445  * @rxq: the RB's Rx queue
446  * @reserved: reserved
447  * @data: the content of the Receive Buffer
448  */
449 struct iwl_fw_error_dump_rb {
450 	__le32 index;
451 	__le32 rxq;
452 	__le32 reserved;
453 	u8 data[];
454 };
455 
456 /**
457  * struct iwl_fw_ini_monitor_dump - ini monitor dump
458  * @header: header of the region
459  * @write_ptr: write pointer position in the buffer
460  * @cycle_cnt: cycles count
461  * @cur_frag: current fragment in use
462  * @data: data of memory ranges in this region,
463  *	see &struct iwl_fw_ini_error_dump_range
464  */
465 struct iwl_fw_ini_monitor_dump {
466 	struct iwl_fw_ini_error_dump_header header;
467 	__le32 write_ptr;
468 	__le32 cycle_cnt;
469 	__le32 cur_frag;
470 	u8 data[];
471 } __packed;
472 
473 /**
474  * struct iwl_fw_ini_special_device_memory - special device memory
475  * @header: header of the region
476  * @type: type of special memory
477  * @version: struct special memory version
478  * @data: data of memory ranges in this region,
479  *	see &struct iwl_fw_ini_error_dump_range
480  */
481 struct iwl_fw_ini_special_device_memory {
482 	struct iwl_fw_ini_error_dump_header header;
483 	__le16 type;
484 	__le16 version;
485 	u8 data[];
486 } __packed;
487 
488 /**
489  * struct iwl_fw_error_dump_paging - content of the UMAC's image page
490  *	block on DRAM
491  * @index: the index of the page block
492  * @reserved: reserved
493  * @data: the content of the page block
494  */
495 struct iwl_fw_error_dump_paging {
496 	__le32 index;
497 	__le32 reserved;
498 	u8 data[];
499 };
500 
501 /**
502  * iwl_fw_error_next_data - advance fw error dump data pointer
503  * @data: previous data block
504  * Returns: next data block
505  */
506 static inline struct iwl_fw_error_dump_data *
iwl_fw_error_next_data(struct iwl_fw_error_dump_data * data)507 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
508 {
509 	return (void *)(data->data + le32_to_cpu(data->len));
510 }
511 
512 /**
513  * enum iwl_fw_dbg_trigger - triggers available
514  *
515  * @FW_DBG_TRIGGER_INVALID: invalid trigger value
516  * @FW_DBG_TRIGGER_USER: trigger log collection by user
517  *	This should not be defined as a trigger to the driver, but a value the
518  *	driver should set to indicate that the trigger was initiated by the
519  *	user.
520  * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
521  * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
522  *	missed.
523  * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
524  * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
525  *	command response or a notification.
526  * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
527  * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
528  * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
529  *	goes below a threshold.
530  * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
531  *	detection.
532  * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
533  *	events.
534  * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
535  * @FW_DBG_TRIGGER_TX_LATENCY: trigger log collection when the tx latency
536  *	goes above a threshold.
537  * @FW_DBG_TRIGGER_TDLS: trigger log collection upon TDLS related events.
538  * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
539  *  the firmware sends a tx reply.
540  * @FW_DBG_TRIGGER_ALIVE_TIMEOUT: trigger log collection if alive flow timeouts
541  * @FW_DBG_TRIGGER_DRIVER: trigger log collection upon a flow failure
542  *	in the driver.
543  * @FW_DBG_TRIGGER_MAX: beyond triggers, number for sizing arrays etc.
544  */
545 enum iwl_fw_dbg_trigger {
546 	FW_DBG_TRIGGER_INVALID = 0,
547 	FW_DBG_TRIGGER_USER,
548 	FW_DBG_TRIGGER_FW_ASSERT,
549 	FW_DBG_TRIGGER_MISSED_BEACONS,
550 	FW_DBG_TRIGGER_CHANNEL_SWITCH,
551 	FW_DBG_TRIGGER_FW_NOTIF,
552 	FW_DBG_TRIGGER_MLME,
553 	FW_DBG_TRIGGER_STATS,
554 	FW_DBG_TRIGGER_RSSI,
555 	FW_DBG_TRIGGER_TXQ_TIMERS,
556 	FW_DBG_TRIGGER_TIME_EVENT,
557 	FW_DBG_TRIGGER_BA,
558 	FW_DBG_TRIGGER_TX_LATENCY,
559 	FW_DBG_TRIGGER_TDLS,
560 	FW_DBG_TRIGGER_TX_STATUS,
561 	FW_DBG_TRIGGER_ALIVE_TIMEOUT,
562 	FW_DBG_TRIGGER_DRIVER,
563 
564 	/* must be last */
565 	FW_DBG_TRIGGER_MAX,
566 };
567 
568 /**
569  * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
570  * @type: &enum iwl_fw_dbg_trigger
571  * @data: raw data about what happened
572  */
573 struct iwl_fw_error_dump_trigger_desc {
574 	__le32 type;
575 	u8 data[];
576 };
577 
578 #endif /* __fw_error_dump_h__ */
579