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1 /******************************************************************************
2  *
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 2014 Intel Corporation. All rights reserved.
9  * Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
10  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11  * Copyright (C) 2018 - 2020 Intel Corporation
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of version 2 of the GNU General Public License as
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27  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28  *
29  * BSD LICENSE
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31  * Copyright(c) 2014 Intel Corporation. All rights reserved.
32  * Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
33  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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63 
64 #ifndef __fw_error_dump_h__
65 #define __fw_error_dump_h__
66 
67 #include <linux/types.h>
68 #include "fw/api/cmdhdr.h"
69 
70 #define IWL_FW_ERROR_DUMP_BARKER	0x14789632
71 #define IWL_FW_INI_ERROR_DUMP_BARKER	0x14789633
72 
73 /**
74  * enum iwl_fw_error_dump_type - types of data in the dump file
75  * @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
76  * @IWL_FW_ERROR_DUMP_RXF:
77  * @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
78  *	&struct iwl_fw_error_dump_txcmd packets
79  * @IWL_FW_ERROR_DUMP_DEV_FW_INFO:  struct %iwl_fw_error_dump_info
80  *	info on the device / firmware.
81  * @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
82  * @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
83  *	sections like this in a single file.
84  * @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
85  * @IWL_FW_ERROR_DUMP_MEM: chunk of memory
86  * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
87  *	Structured as &struct iwl_fw_error_dump_trigger_desc.
88  * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
89  *	&struct iwl_fw_error_dump_rb
90  * @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were
91  *	paged to the DRAM.
92  * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers.
93  * @IWL_FW_ERROR_DUMP_EXTERNAL: used only by external code utilities, and
94  *	for that reason is not in use in any other place in the Linux Wi-Fi
95  *	stack.
96  * @IWL_FW_ERROR_DUMP_MEM_CFG: the addresses and sizes of fifos in the smem,
97  *	which we get from the fw after ALIVE. The content is structured as
98  *	&struct iwl_fw_error_dump_smem_cfg.
99  */
100 enum iwl_fw_error_dump_type {
101 	/* 0 is deprecated */
102 	IWL_FW_ERROR_DUMP_CSR = 1,
103 	IWL_FW_ERROR_DUMP_RXF = 2,
104 	IWL_FW_ERROR_DUMP_TXCMD = 3,
105 	IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
106 	IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
107 	IWL_FW_ERROR_DUMP_PRPH = 6,
108 	IWL_FW_ERROR_DUMP_TXF = 7,
109 	IWL_FW_ERROR_DUMP_FH_REGS = 8,
110 	IWL_FW_ERROR_DUMP_MEM = 9,
111 	IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
112 	IWL_FW_ERROR_DUMP_RB = 11,
113 	IWL_FW_ERROR_DUMP_PAGING = 12,
114 	IWL_FW_ERROR_DUMP_RADIO_REG = 13,
115 	IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14,
116 	IWL_FW_ERROR_DUMP_EXTERNAL = 15, /* Do not move */
117 	IWL_FW_ERROR_DUMP_MEM_CFG = 16,
118 	IWL_FW_ERROR_DUMP_D3_DEBUG_DATA = 17,
119 
120 	IWL_FW_ERROR_DUMP_MAX,
121 };
122 
123 /**
124  * struct iwl_fw_error_dump_data - data for one type
125  * @type: &enum iwl_fw_error_dump_type
126  * @len: the length starting from %data
127  * @data: the data itself
128  */
129 struct iwl_fw_error_dump_data {
130 	__le32 type;
131 	__le32 len;
132 	__u8 data[];
133 } __packed;
134 
135 /**
136  * struct iwl_fw_error_dump_file - the layout of the header of the file
137  * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
138  * @file_len: the length of all the file starting from %barker
139  * @data: array of &struct iwl_fw_error_dump_data
140  */
141 struct iwl_fw_error_dump_file {
142 	__le32 barker;
143 	__le32 file_len;
144 	u8 data[0];
145 } __packed;
146 
147 /**
148  * struct iwl_fw_error_dump_txcmd - TX command data
149  * @cmdlen: original length of command
150  * @caplen: captured length of command (may be less)
151  * @data: captured command data, @caplen bytes
152  */
153 struct iwl_fw_error_dump_txcmd {
154 	__le32 cmdlen;
155 	__le32 caplen;
156 	u8 data[];
157 } __packed;
158 
159 /**
160  * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
161  * @fifo_num: number of FIFO (starting from 0)
162  * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
163  * @wr_ptr: position of write pointer
164  * @rd_ptr: position of read pointer
165  * @fence_ptr: position of fence pointer
166  * @fence_mode: the current mode of the fence (before locking) -
167  *	0=follow RD pointer ; 1 = freeze
168  * @data: all of the FIFO's data
169  */
170 struct iwl_fw_error_dump_fifo {
171 	__le32 fifo_num;
172 	__le32 available_bytes;
173 	__le32 wr_ptr;
174 	__le32 rd_ptr;
175 	__le32 fence_ptr;
176 	__le32 fence_mode;
177 	u8 data[];
178 } __packed;
179 
180 enum iwl_fw_error_dump_family {
181 	IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
182 	IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
183 };
184 
185 #define MAX_NUM_LMAC 2
186 
187 /**
188  * struct iwl_fw_error_dump_info - info on the device / firmware
189  * @hw_type: the type of the device
190  * @hw_step: the step of the device
191  * @fw_human_readable: human readable FW version
192  * @dev_human_readable: name of the device
193  * @bus_human_readable: name of the bus used
194  * @num_of_lmacs: the number of lmacs
195  * @lmac_err_id: the lmac 0/1 error_id/rt_status that triggered the latest dump
196  *	if the dump collection was not initiated by an assert, the value is 0
197  * @umac_err_id: the umac error_id/rt_status that triggered the latest dump
198  *	if the dump collection was not initiated by an assert, the value is 0
199  */
200 struct iwl_fw_error_dump_info {
201 	__le32 hw_type;
202 	__le32 hw_step;
203 	u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
204 	u8 dev_human_readable[64];
205 	u8 bus_human_readable[8];
206 	u8 num_of_lmacs;
207 	__le32 umac_err_id;
208 	__le32 lmac_err_id[MAX_NUM_LMAC];
209 } __packed;
210 
211 /**
212  * struct iwl_fw_error_dump_fw_mon - FW monitor data
213  * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
214  * @fw_mon_base_ptr: base pointer of the data
215  * @fw_mon_cycle_cnt: number of wraparounds
216  * @fw_mon_base_high_ptr: used in AX210 devices, the base adderss is 64 bit
217  *	so fw_mon_base_ptr holds LSB 32 bits and fw_mon_base_high_ptr hold
218  *	MSB 32 bits
219  * @reserved: for future use
220  * @data: captured data
221  */
222 struct iwl_fw_error_dump_fw_mon {
223 	__le32 fw_mon_wr_ptr;
224 	__le32 fw_mon_base_ptr;
225 	__le32 fw_mon_cycle_cnt;
226 	__le32 fw_mon_base_high_ptr;
227 	__le32 reserved[2];
228 	u8 data[];
229 } __packed;
230 
231 #define MAX_NUM_LMAC 2
232 #define TX_FIFO_INTERNAL_MAX_NUM	6
233 #define TX_FIFO_MAX_NUM			15
234 /**
235  * struct iwl_fw_error_dump_smem_cfg - Dump SMEM configuration
236  *	This must follow &struct iwl_fwrt_shared_mem_cfg.
237  * @num_lmacs: number of lmacs
238  * @num_txfifo_entries: number of tx fifos
239  * @lmac: sizes of lmacs txfifos and rxfifo1
240  * @rxfifo2_size: size of rxfifo2
241  * @internal_txfifo_addr: address of internal tx fifo
242  * @internal_txfifo_size: size of internal tx fifo
243  */
244 struct iwl_fw_error_dump_smem_cfg {
245 	__le32 num_lmacs;
246 	__le32 num_txfifo_entries;
247 	struct {
248 		__le32 txfifo_size[TX_FIFO_MAX_NUM];
249 		__le32 rxfifo1_size;
250 	} lmac[MAX_NUM_LMAC];
251 	__le32 rxfifo2_size;
252 	__le32 internal_txfifo_addr;
253 	__le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
254 } __packed;
255 /**
256  * struct iwl_fw_error_dump_prph - periphery registers data
257  * @prph_start: address of the first register in this chunk
258  * @data: the content of the registers
259  */
260 struct iwl_fw_error_dump_prph {
261 	__le32 prph_start;
262 	__le32 data[];
263 };
264 
265 enum iwl_fw_error_dump_mem_type {
266 	IWL_FW_ERROR_DUMP_MEM_SRAM,
267 	IWL_FW_ERROR_DUMP_MEM_SMEM,
268 	IWL_FW_ERROR_DUMP_MEM_NAMED_MEM = 10,
269 };
270 
271 /**
272  * struct iwl_fw_error_dump_mem - chunk of memory
273  * @type: &enum iwl_fw_error_dump_mem_type
274  * @offset: the offset from which the memory was read
275  * @data: the content of the memory
276  */
277 struct iwl_fw_error_dump_mem {
278 	__le32 type;
279 	__le32 offset;
280 	u8 data[];
281 };
282 
283 /* Dump version, used by the dump parser to differentiate between
284  * different dump formats
285  */
286 #define IWL_INI_DUMP_VER 1
287 
288 /* Use bit 31 as dump info type to avoid colliding with region types */
289 #define IWL_INI_DUMP_INFO_TYPE BIT(31)
290 
291 /**
292  * struct iwl_fw_ini_dump_entry
293  * @list: list of dump entries
294  * @size: size of the data
295  * @data: entry data
296  */
297 struct iwl_fw_ini_dump_entry {
298 	struct list_head list;
299 	u32 size;
300 	u8 data[];
301 } __packed;
302 
303 /**
304  * struct iwl_fw_error_dump_file - header of dump file
305  * @barker: must be %IWL_FW_INI_ERROR_DUMP_BARKER
306  * @file_len: the length of all the file including the header
307  */
308 struct iwl_fw_ini_dump_file_hdr {
309 	__le32 barker;
310 	__le32 file_len;
311 } __packed;
312 
313 /**
314  * struct iwl_fw_ini_fifo_hdr - fifo range header
315  * @fifo_num: the fifo number. In case of umac rx fifo, set BIT(31) to
316  *	distinguish between lmac and umac rx fifos
317  * @num_of_registers: num of registers to dump, dword size each
318  */
319 struct iwl_fw_ini_fifo_hdr {
320 	__le32 fifo_num;
321 	__le32 num_of_registers;
322 } __packed;
323 
324 /**
325  * struct iwl_fw_ini_error_dump_range - range of memory
326  * @range_data_size: the size of this range, in bytes
327  * @internal_base_addr: base address of internal memory range
328  * @dram_base_addr: base address of dram monitor range
329  * @page_num: page number of memory range
330  * @fifo_hdr: fifo header of memory range
331  * @fw_pkt: FW packet header of memory range
332  * @data: the actual memory
333  */
334 struct iwl_fw_ini_error_dump_range {
335 	__le32 range_data_size;
336 	union {
337 		__le32 internal_base_addr __packed;
338 		__le64 dram_base_addr __packed;
339 		__le32 page_num __packed;
340 		struct iwl_fw_ini_fifo_hdr fifo_hdr;
341 		struct iwl_cmd_header fw_pkt_hdr;
342 	};
343 	__le32 data[];
344 } __packed;
345 
346 /**
347  * struct iwl_fw_ini_error_dump_header - ini region dump header
348  * @version: dump version
349  * @region_id: id of the region
350  * @num_of_ranges: number of ranges in this region
351  * @name_len: number of bytes allocated to the name string of this region
352  * @name: name of the region
353  */
354 struct iwl_fw_ini_error_dump_header {
355 	__le32 version;
356 	__le32 region_id;
357 	__le32 num_of_ranges;
358 	__le32 name_len;
359 	u8 name[IWL_FW_INI_MAX_NAME];
360 };
361 
362 /**
363  * struct iwl_fw_ini_error_dump - ini region dump
364  * @header: the header of this region
365  * @ranges: the memory ranges of this region
366  */
367 struct iwl_fw_ini_error_dump {
368 	struct iwl_fw_ini_error_dump_header header;
369 	struct iwl_fw_ini_error_dump_range ranges[];
370 } __packed;
371 
372 /* This bit is used to differentiate between lmac and umac rxf */
373 #define IWL_RXF_UMAC_BIT BIT(31)
374 
375 /**
376  * struct iwl_fw_ini_error_dump_register - ini register dump
377  * @addr: address of the register
378  * @data: data of the register
379  */
380 struct iwl_fw_ini_error_dump_register {
381 	__le32 addr;
382 	__le32 data;
383 } __packed;
384 
385 /**
386  * struct iwl_fw_ini_dump_cfg_name - configuration name
387  * @image_type: image type the configuration is related to
388  * @cfg_name_len: length of the configuration name
389  * @cfg_name: name of the configuraiton
390  */
391 struct iwl_fw_ini_dump_cfg_name {
392 	__le32 image_type;
393 	__le32 cfg_name_len;
394 	u8 cfg_name[IWL_FW_INI_MAX_CFG_NAME];
395 } __packed;
396 
397 /* AX210's HW type */
398 #define IWL_AX210_HW_TYPE 0x42
399 /* How many bits to roll when adding to the HW type of AX210 HW */
400 #define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12
401 /* This prph is used to tell apart HW_TYPE == 0x42 NICs */
402 #define WFPM_OTP_CFG1_ADDR 0xd03098
403 #define WFPM_OTP_CFG1_IS_JACKET_BIT BIT(4)
404 #define WFPM_OTP_CFG1_IS_CDB_BIT BIT(5)
405 
406 /* struct iwl_fw_ini_dump_info - ini dump information
407  * @version: dump version
408  * @time_point: time point that caused the dump collection
409  * @trigger_reason: reason of the trigger
410  * @external_cfg_state: &enum iwl_ini_cfg_state
411  * @ver_type: FW version type
412  * @ver_subtype: FW version subype
413  * @hw_step: HW step
414  * @hw_type: HW type
415  * @rf_id_flavor: HW RF id flavor
416  * @rf_id_dash: HW RF id dash
417  * @rf_id_step: HW RF id step
418  * @rf_id_type: HW RF id type
419  * @lmac_major: lmac major version
420  * @lmac_minor: lmac minor version
421  * @umac_major: umac major version
422  * @umac_minor: umac minor version
423  * @fw_mon_mode: FW monitor mode &enum iwl_fw_ini_buffer_location
424  * @regions_mask: bitmap mask of regions ids in the dump
425  * @build_tag_len: length of the build tag
426  * @build_tag: build tag string
427  * @num_of_cfg_names: number of configuration name structs
428  * @cfg_names: configuration names
429  */
430 struct iwl_fw_ini_dump_info {
431 	__le32 version;
432 	__le32 time_point;
433 	__le32 trigger_reason;
434 	__le32 external_cfg_state;
435 	__le32 ver_type;
436 	__le32 ver_subtype;
437 	__le32 hw_step;
438 	__le32 hw_type;
439 	__le32 rf_id_flavor;
440 	__le32 rf_id_dash;
441 	__le32 rf_id_step;
442 	__le32 rf_id_type;
443 	__le32 lmac_major;
444 	__le32 lmac_minor;
445 	__le32 umac_major;
446 	__le32 umac_minor;
447 	__le32 fw_mon_mode;
448 	__le64 regions_mask;
449 	__le32 build_tag_len;
450 	u8 build_tag[FW_VER_HUMAN_READABLE_SZ];
451 	__le32 num_of_cfg_names;
452 	struct iwl_fw_ini_dump_cfg_name cfg_names[];
453 } __packed;
454 
455 /**
456  * struct iwl_fw_ini_err_table_dump - ini error table dump
457  * @header: header of the region
458  * @version: error table version
459  * @ranges: the memory ranges of this this region
460  */
461 struct iwl_fw_ini_err_table_dump {
462 	struct iwl_fw_ini_error_dump_header header;
463 	__le32 version;
464 	struct iwl_fw_ini_error_dump_range ranges[];
465 } __packed;
466 
467 /**
468  * struct iwl_fw_error_dump_rb - content of an Receive Buffer
469  * @index: the index of the Receive Buffer in the Rx queue
470  * @rxq: the RB's Rx queue
471  * @reserved:
472  * @data: the content of the Receive Buffer
473  */
474 struct iwl_fw_error_dump_rb {
475 	__le32 index;
476 	__le32 rxq;
477 	__le32 reserved;
478 	u8 data[];
479 };
480 
481 /**
482  * struct iwl_fw_ini_monitor_dump - ini monitor dump
483  * @header: header of the region
484  * @write_ptr: write pointer position in the buffer
485  * @cycle_cnt: cycles count
486  * @cur_frag: current fragment in use
487  * @ranges: the memory ranges of this this region
488  */
489 struct iwl_fw_ini_monitor_dump {
490 	struct iwl_fw_ini_error_dump_header header;
491 	__le32 write_ptr;
492 	__le32 cycle_cnt;
493 	__le32 cur_frag;
494 	struct iwl_fw_ini_error_dump_range ranges[];
495 } __packed;
496 
497 /**
498  * struct iwl_fw_ini_special_device_memory - special device memory
499  * @header: header of the region
500  * @type: type of special memory
501  * @version: struct special memory version
502  * @ranges: the memory ranges of this this region
503  */
504 struct iwl_fw_ini_special_device_memory {
505 	struct iwl_fw_ini_error_dump_header header;
506 	__le16 type;
507 	__le16 version;
508 	struct iwl_fw_ini_error_dump_range ranges[];
509 } __packed;
510 
511 /**
512  * struct iwl_fw_error_dump_paging - content of the UMAC's image page
513  *	block on DRAM
514  * @index: the index of the page block
515  * @reserved:
516  * @data: the content of the page block
517  */
518 struct iwl_fw_error_dump_paging {
519 	__le32 index;
520 	__le32 reserved;
521 	u8 data[];
522 };
523 
524 /**
525  * iwl_fw_error_next_data - advance fw error dump data pointer
526  * @data: previous data block
527  * Returns: next data block
528  */
529 static inline struct iwl_fw_error_dump_data *
iwl_fw_error_next_data(struct iwl_fw_error_dump_data * data)530 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
531 {
532 	return (void *)(data->data + le32_to_cpu(data->len));
533 }
534 
535 /**
536  * enum iwl_fw_dbg_trigger - triggers available
537  *
538  * @FW_DBG_TRIGGER_USER: trigger log collection by user
539  *	This should not be defined as a trigger to the driver, but a value the
540  *	driver should set to indicate that the trigger was initiated by the
541  *	user.
542  * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
543  * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
544  *	missed.
545  * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
546  * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
547  *	command response or a notification.
548  * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
549  * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
550  * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
551  *	goes below a threshold.
552  * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
553  *	detection.
554  * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
555  *	events.
556  * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
557  * @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
558  *	threshold.
559  * @FW_DBG_TDLS: trigger log collection upon TDLS related events.
560  * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
561  *  the firmware sends a tx reply.
562  * @FW_DBG_TRIGGER_ALIVE_TIMEOUT: trigger log collection if alive flow timeouts
563  * @FW_DBG_TRIGGER_DRIVER: trigger log collection upon a flow failure
564  *	in the driver.
565  */
566 enum iwl_fw_dbg_trigger {
567 	FW_DBG_TRIGGER_INVALID = 0,
568 	FW_DBG_TRIGGER_USER,
569 	FW_DBG_TRIGGER_FW_ASSERT,
570 	FW_DBG_TRIGGER_MISSED_BEACONS,
571 	FW_DBG_TRIGGER_CHANNEL_SWITCH,
572 	FW_DBG_TRIGGER_FW_NOTIF,
573 	FW_DBG_TRIGGER_MLME,
574 	FW_DBG_TRIGGER_STATS,
575 	FW_DBG_TRIGGER_RSSI,
576 	FW_DBG_TRIGGER_TXQ_TIMERS,
577 	FW_DBG_TRIGGER_TIME_EVENT,
578 	FW_DBG_TRIGGER_BA,
579 	FW_DBG_TRIGGER_TX_LATENCY,
580 	FW_DBG_TRIGGER_TDLS,
581 	FW_DBG_TRIGGER_TX_STATUS,
582 	FW_DBG_TRIGGER_ALIVE_TIMEOUT,
583 	FW_DBG_TRIGGER_DRIVER,
584 
585 	/* must be last */
586 	FW_DBG_TRIGGER_MAX,
587 };
588 
589 /**
590  * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
591  * @type: &enum iwl_fw_dbg_trigger
592  * @data: raw data about what happened
593  */
594 struct iwl_fw_error_dump_trigger_desc {
595 	__le32 type;
596 	u8 data[];
597 };
598 
599 #endif /* __fw_error_dump_h__ */
600