1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2014, 2018-2022 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_dump_file_name_info - data for dump file name addition
80  * @type: region type with reserved bits
81  * @len: the length of file name string to be added to dump file
82  * @data: the string need to be added to dump file
83  */
84 struct iwl_dump_file_name_info {
85 	__le32 type;
86 	__le32 len;
87 	__u8 data[];
88 } __packed;
89 
90 /**
91  * struct iwl_fw_error_dump_file - the layout of the header of the file
92  * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
93  * @file_len: the length of all the file starting from %barker
94  * @data: array of &struct iwl_fw_error_dump_data
95  */
96 struct iwl_fw_error_dump_file {
97 	__le32 barker;
98 	__le32 file_len;
99 	u8 data[];
100 } __packed;
101 
102 /**
103  * struct iwl_fw_error_dump_txcmd - TX command data
104  * @cmdlen: original length of command
105  * @caplen: captured length of command (may be less)
106  * @data: captured command data, @caplen bytes
107  */
108 struct iwl_fw_error_dump_txcmd {
109 	__le32 cmdlen;
110 	__le32 caplen;
111 	u8 data[];
112 } __packed;
113 
114 /**
115  * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
116  * @fifo_num: number of FIFO (starting from 0)
117  * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
118  * @wr_ptr: position of write pointer
119  * @rd_ptr: position of read pointer
120  * @fence_ptr: position of fence pointer
121  * @fence_mode: the current mode of the fence (before locking) -
122  *	0=follow RD pointer ; 1 = freeze
123  * @data: all of the FIFO's data
124  */
125 struct iwl_fw_error_dump_fifo {
126 	__le32 fifo_num;
127 	__le32 available_bytes;
128 	__le32 wr_ptr;
129 	__le32 rd_ptr;
130 	__le32 fence_ptr;
131 	__le32 fence_mode;
132 	u8 data[];
133 } __packed;
134 
135 enum iwl_fw_error_dump_family {
136 	IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
137 	IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
138 };
139 
140 #define MAX_NUM_LMAC 2
141 
142 /**
143  * struct iwl_fw_error_dump_info - info on the device / firmware
144  * @hw_type: the type of the device
145  * @hw_step: the step of the device
146  * @fw_human_readable: human readable FW version
147  * @dev_human_readable: name of the device
148  * @bus_human_readable: name of the bus used
149  * @num_of_lmacs: the number of lmacs
150  * @lmac_err_id: the lmac 0/1 error_id/rt_status that triggered the latest dump
151  *	if the dump collection was not initiated by an assert, the value is 0
152  * @umac_err_id: the umac error_id/rt_status that triggered the latest dump
153  *	if the dump collection was not initiated by an assert, the value is 0
154  */
155 struct iwl_fw_error_dump_info {
156 	__le32 hw_type;
157 	__le32 hw_step;
158 	u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
159 	u8 dev_human_readable[64];
160 	u8 bus_human_readable[8];
161 	u8 num_of_lmacs;
162 	__le32 umac_err_id;
163 	__le32 lmac_err_id[MAX_NUM_LMAC];
164 } __packed;
165 
166 /**
167  * struct iwl_fw_error_dump_fw_mon - FW monitor data
168  * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
169  * @fw_mon_base_ptr: base pointer of the data
170  * @fw_mon_cycle_cnt: number of wraparounds
171  * @fw_mon_base_high_ptr: used in AX210 devices, the base adderss is 64 bit
172  *	so fw_mon_base_ptr holds LSB 32 bits and fw_mon_base_high_ptr hold
173  *	MSB 32 bits
174  * @reserved: for future use
175  * @data: captured data
176  */
177 struct iwl_fw_error_dump_fw_mon {
178 	__le32 fw_mon_wr_ptr;
179 	__le32 fw_mon_base_ptr;
180 	__le32 fw_mon_cycle_cnt;
181 	__le32 fw_mon_base_high_ptr;
182 	__le32 reserved[2];
183 	u8 data[];
184 } __packed;
185 
186 #define MAX_NUM_LMAC 2
187 #define TX_FIFO_INTERNAL_MAX_NUM	6
188 #define TX_FIFO_MAX_NUM			15
189 /**
190  * struct iwl_fw_error_dump_smem_cfg - Dump SMEM configuration
191  *	This must follow &struct iwl_fwrt_shared_mem_cfg.
192  * @num_lmacs: number of lmacs
193  * @num_txfifo_entries: number of tx fifos
194  * @lmac: sizes of lmacs txfifos and rxfifo1
195  * @rxfifo2_size: size of rxfifo2
196  * @internal_txfifo_addr: address of internal tx fifo
197  * @internal_txfifo_size: size of internal tx fifo
198  */
199 struct iwl_fw_error_dump_smem_cfg {
200 	__le32 num_lmacs;
201 	__le32 num_txfifo_entries;
202 	struct {
203 		__le32 txfifo_size[TX_FIFO_MAX_NUM];
204 		__le32 rxfifo1_size;
205 	} lmac[MAX_NUM_LMAC];
206 	__le32 rxfifo2_size;
207 	__le32 internal_txfifo_addr;
208 	__le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
209 } __packed;
210 /**
211  * struct iwl_fw_error_dump_prph - periphery registers data
212  * @prph_start: address of the first register in this chunk
213  * @data: the content of the registers
214  */
215 struct iwl_fw_error_dump_prph {
216 	__le32 prph_start;
217 	__le32 data[];
218 };
219 
220 enum iwl_fw_error_dump_mem_type {
221 	IWL_FW_ERROR_DUMP_MEM_SRAM,
222 	IWL_FW_ERROR_DUMP_MEM_SMEM,
223 	IWL_FW_ERROR_DUMP_MEM_NAMED_MEM = 10,
224 };
225 
226 /**
227  * struct iwl_fw_error_dump_mem - chunk of memory
228  * @type: &enum iwl_fw_error_dump_mem_type
229  * @offset: the offset from which the memory was read
230  * @data: the content of the memory
231  */
232 struct iwl_fw_error_dump_mem {
233 	__le32 type;
234 	__le32 offset;
235 	u8 data[];
236 };
237 
238 /* Dump version, used by the dump parser to differentiate between
239  * different dump formats
240  */
241 #define IWL_INI_DUMP_VER 1
242 
243 /* Use bit 31 as dump info type to avoid colliding with region types */
244 #define IWL_INI_DUMP_INFO_TYPE BIT(31)
245 
246 /* Use bit 31 and bit 24 as dump name type to avoid colliding with region types */
247 #define IWL_INI_DUMP_NAME_TYPE (BIT(31) | BIT(24))
248 
249 /**
250  * struct iwl_fw_error_dump_data - data for one type
251  * @type: &enum iwl_fw_ini_region_type
252  * @sub_type: sub type id
253  * @sub_type_ver: sub type version
254  * @reserved: not in use
255  * @len: the length starting from %data
256  * @data: the data itself
257  */
258 struct iwl_fw_ini_error_dump_data {
259 	u8 type;
260 	u8 sub_type;
261 	u8 sub_type_ver;
262 	u8 reserved;
263 	__le32 len;
264 	__u8 data[];
265 } __packed;
266 
267 /**
268  * struct iwl_fw_ini_dump_entry
269  * @list: list of dump entries
270  * @size: size of the data
271  * @data: entry data
272  */
273 struct iwl_fw_ini_dump_entry {
274 	struct list_head list;
275 	u32 size;
276 	u8 data[];
277 } __packed;
278 
279 /**
280  * struct iwl_fw_error_dump_file - header of dump file
281  * @barker: must be %IWL_FW_INI_ERROR_DUMP_BARKER
282  * @file_len: the length of all the file including the header
283  */
284 struct iwl_fw_ini_dump_file_hdr {
285 	__le32 barker;
286 	__le32 file_len;
287 } __packed;
288 
289 /**
290  * struct iwl_fw_ini_fifo_hdr - fifo range header
291  * @fifo_num: the fifo number. In case of umac rx fifo, set BIT(31) to
292  *	distinguish between lmac and umac rx fifos
293  * @num_of_registers: num of registers to dump, dword size each
294  */
295 struct iwl_fw_ini_fifo_hdr {
296 	__le32 fifo_num;
297 	__le32 num_of_registers;
298 } __packed;
299 
300 /**
301  * struct iwl_fw_ini_error_dump_range - range of memory
302  * @range_data_size: the size of this range, in bytes
303  * @internal_base_addr: base address of internal memory range
304  * @dram_base_addr: base address of dram monitor range
305  * @page_num: page number of memory range
306  * @fifo_hdr: fifo header of memory range
307  * @fw_pkt: FW packet header of memory range
308  * @data: the actual memory
309  */
310 struct iwl_fw_ini_error_dump_range {
311 	__le32 range_data_size;
312 	union {
313 		__le32 internal_base_addr __packed;
314 		__le64 dram_base_addr __packed;
315 		__le32 page_num __packed;
316 		struct iwl_fw_ini_fifo_hdr fifo_hdr;
317 		struct iwl_cmd_header fw_pkt_hdr;
318 	};
319 	__le32 data[];
320 } __packed;
321 
322 /**
323  * struct iwl_fw_ini_error_dump_header - ini region dump header
324  * @version: dump version
325  * @region_id: id of the region
326  * @num_of_ranges: number of ranges in this region
327  * @name_len: number of bytes allocated to the name string of this region
328  * @name: name of the region
329  */
330 struct iwl_fw_ini_error_dump_header {
331 	__le32 version;
332 	__le32 region_id;
333 	__le32 num_of_ranges;
334 	__le32 name_len;
335 	u8 name[IWL_FW_INI_MAX_NAME];
336 };
337 
338 /**
339  * struct iwl_fw_ini_error_dump - ini region dump
340  * @header: the header of this region
341  * @data: data of memory ranges in this region,
342  *	see &struct iwl_fw_ini_error_dump_range
343  */
344 struct iwl_fw_ini_error_dump {
345 	struct iwl_fw_ini_error_dump_header header;
346 	u8 data[];
347 } __packed;
348 
349 /* This bit is used to differentiate between lmac and umac rxf */
350 #define IWL_RXF_UMAC_BIT BIT(31)
351 
352 /**
353  * struct iwl_fw_ini_error_dump_register - ini register dump
354  * @addr: address of the register
355  * @data: data of the register
356  */
357 struct iwl_fw_ini_error_dump_register {
358 	__le32 addr;
359 	__le32 data;
360 } __packed;
361 
362 /**
363  * struct iwl_fw_ini_dump_cfg_name - configuration name
364  * @image_type: image type the configuration is related to
365  * @cfg_name_len: length of the configuration name
366  * @cfg_name: name of the configuraiton
367  */
368 struct iwl_fw_ini_dump_cfg_name {
369 	__le32 image_type;
370 	__le32 cfg_name_len;
371 	u8 cfg_name[IWL_FW_INI_MAX_CFG_NAME];
372 } __packed;
373 
374 /* AX210's HW type */
375 #define IWL_AX210_HW_TYPE 0x42
376 /* How many bits to roll when adding to the HW type of AX210 HW */
377 #define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12
378 
379 /* struct iwl_fw_ini_dump_info - ini dump information
380  * @version: dump version
381  * @time_point: time point that caused the dump collection
382  * @trigger_reason: reason of the trigger
383  * @external_cfg_state: &enum iwl_ini_cfg_state
384  * @ver_type: FW version type
385  * @ver_subtype: FW version subype
386  * @hw_step: HW step
387  * @hw_type: HW type
388  * @rf_id_flavor: HW RF id flavor
389  * @rf_id_dash: HW RF id dash
390  * @rf_id_step: HW RF id step
391  * @rf_id_type: HW RF id type
392  * @lmac_major: lmac major version
393  * @lmac_minor: lmac minor version
394  * @umac_major: umac major version
395  * @umac_minor: umac minor version
396  * @fw_mon_mode: FW monitor mode &enum iwl_fw_ini_buffer_location
397  * @regions_mask: bitmap mask of regions ids in the dump
398  * @build_tag_len: length of the build tag
399  * @build_tag: build tag string
400  * @num_of_cfg_names: number of configuration name structs
401  * @cfg_names: configuration names
402  */
403 struct iwl_fw_ini_dump_info {
404 	__le32 version;
405 	__le32 time_point;
406 	__le32 trigger_reason;
407 	__le32 external_cfg_state;
408 	__le32 ver_type;
409 	__le32 ver_subtype;
410 	__le32 hw_step;
411 	__le32 hw_type;
412 	__le32 rf_id_flavor;
413 	__le32 rf_id_dash;
414 	__le32 rf_id_step;
415 	__le32 rf_id_type;
416 	__le32 lmac_major;
417 	__le32 lmac_minor;
418 	__le32 umac_major;
419 	__le32 umac_minor;
420 	__le32 fw_mon_mode;
421 	__le64 regions_mask;
422 	__le32 build_tag_len;
423 	u8 build_tag[FW_VER_HUMAN_READABLE_SZ];
424 	__le32 num_of_cfg_names;
425 	struct iwl_fw_ini_dump_cfg_name cfg_names[];
426 } __packed;
427 
428 /**
429  * struct iwl_fw_ini_err_table_dump - ini error table dump
430  * @header: header of the region
431  * @version: error table version
432  * @data: data of memory ranges in this region,
433  *	see &struct iwl_fw_ini_error_dump_range
434  */
435 struct iwl_fw_ini_err_table_dump {
436 	struct iwl_fw_ini_error_dump_header header;
437 	__le32 version;
438 	u8 data[];
439 } __packed;
440 
441 /**
442  * struct iwl_fw_error_dump_rb - content of an Receive Buffer
443  * @index: the index of the Receive Buffer in the Rx queue
444  * @rxq: the RB's Rx queue
445  * @reserved:
446  * @data: the content of the Receive Buffer
447  */
448 struct iwl_fw_error_dump_rb {
449 	__le32 index;
450 	__le32 rxq;
451 	__le32 reserved;
452 	u8 data[];
453 };
454 
455 /**
456  * struct iwl_fw_ini_monitor_dump - ini monitor dump
457  * @header: header of the region
458  * @write_ptr: write pointer position in the buffer
459  * @cycle_cnt: cycles count
460  * @cur_frag: current fragment in use
461  * @data: data of memory ranges in this region,
462  *	see &struct iwl_fw_ini_error_dump_range
463  */
464 struct iwl_fw_ini_monitor_dump {
465 	struct iwl_fw_ini_error_dump_header header;
466 	__le32 write_ptr;
467 	__le32 cycle_cnt;
468 	__le32 cur_frag;
469 	u8 data[];
470 } __packed;
471 
472 /**
473  * struct iwl_fw_ini_special_device_memory - special device memory
474  * @header: header of the region
475  * @type: type of special memory
476  * @version: struct special memory version
477  * @data: data of memory ranges in this region,
478  *	see &struct iwl_fw_ini_error_dump_range
479  */
480 struct iwl_fw_ini_special_device_memory {
481 	struct iwl_fw_ini_error_dump_header header;
482 	__le16 type;
483 	__le16 version;
484 	u8 data[];
485 } __packed;
486 
487 /**
488  * struct iwl_fw_error_dump_paging - content of the UMAC's image page
489  *	block on DRAM
490  * @index: the index of the page block
491  * @reserved:
492  * @data: the content of the page block
493  */
494 struct iwl_fw_error_dump_paging {
495 	__le32 index;
496 	__le32 reserved;
497 	u8 data[];
498 };
499 
500 /**
501  * iwl_fw_error_next_data - advance fw error dump data pointer
502  * @data: previous data block
503  * Returns: next data block
504  */
505 static inline struct iwl_fw_error_dump_data *
506 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
507 {
508 	return (void *)(data->data + le32_to_cpu(data->len));
509 }
510 
511 /**
512  * enum iwl_fw_dbg_trigger - triggers available
513  *
514  * @FW_DBG_TRIGGER_USER: trigger log collection by user
515  *	This should not be defined as a trigger to the driver, but a value the
516  *	driver should set to indicate that the trigger was initiated by the
517  *	user.
518  * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
519  * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
520  *	missed.
521  * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
522  * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
523  *	command response or a notification.
524  * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
525  * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
526  * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
527  *	goes below a threshold.
528  * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
529  *	detection.
530  * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
531  *	events.
532  * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
533  * @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
534  *	threshold.
535  * @FW_DBG_TDLS: trigger log collection upon TDLS related events.
536  * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
537  *  the firmware sends a tx reply.
538  * @FW_DBG_TRIGGER_ALIVE_TIMEOUT: trigger log collection if alive flow timeouts
539  * @FW_DBG_TRIGGER_DRIVER: trigger log collection upon a flow failure
540  *	in the driver.
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