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64 
65 #ifndef __fw_error_dump_h__
66 #define __fw_error_dump_h__
67 
68 #include <linux/types.h>
69 
70 #define IWL_FW_ERROR_DUMP_BARKER	0x14789632
71 
72 /**
73  * enum iwl_fw_error_dump_type - types of data in the dump file
74  * @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
75  * @IWL_FW_ERROR_DUMP_RXF:
76  * @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
77  *	&struct iwl_fw_error_dump_txcmd packets
78  * @IWL_FW_ERROR_DUMP_DEV_FW_INFO:  struct %iwl_fw_error_dump_info
79  *	info on the device / firmware.
80  * @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
81  * @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
82  *	sections like this in a single file.
83  * @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
84  * @IWL_FW_ERROR_DUMP_MEM: chunk of memory
85  * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
86  *	Structured as &struct iwl_fw_error_dump_trigger_desc.
87  * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
88  *	&struct iwl_fw_error_dump_rb
89  * @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were
90  *	paged to the DRAM.
91  * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers.
92  * @IWL_FW_ERROR_DUMP_EXTERNAL: used only by external code utilities, and
93  *	for that reason is not in use in any other place in the Linux Wi-Fi
94  *	stack.
95  */
96 enum iwl_fw_error_dump_type {
97 	/* 0 is deprecated */
98 	IWL_FW_ERROR_DUMP_CSR = 1,
99 	IWL_FW_ERROR_DUMP_RXF = 2,
100 	IWL_FW_ERROR_DUMP_TXCMD = 3,
101 	IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
102 	IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
103 	IWL_FW_ERROR_DUMP_PRPH = 6,
104 	IWL_FW_ERROR_DUMP_TXF = 7,
105 	IWL_FW_ERROR_DUMP_FH_REGS = 8,
106 	IWL_FW_ERROR_DUMP_MEM = 9,
107 	IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
108 	IWL_FW_ERROR_DUMP_RB = 11,
109 	IWL_FW_ERROR_DUMP_PAGING = 12,
110 	IWL_FW_ERROR_DUMP_RADIO_REG = 13,
111 	IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14,
112 	IWL_FW_ERROR_DUMP_EXTERNAL = 15, /* Do not move */
113 
114 	IWL_FW_ERROR_DUMP_MAX,
115 };
116 
117 /**
118  * struct iwl_fw_error_dump_data - data for one type
119  * @type: &enum iwl_fw_error_dump_type
120  * @len: the length starting from %data
121  * @data: the data itself
122  */
123 struct iwl_fw_error_dump_data {
124 	__le32 type;
125 	__le32 len;
126 	__u8 data[];
127 } __packed;
128 
129 /**
130  * struct iwl_fw_error_dump_file - the layout of the header of the file
131  * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
132  * @file_len: the length of all the file starting from %barker
133  * @data: array of &struct iwl_fw_error_dump_data
134  */
135 struct iwl_fw_error_dump_file {
136 	__le32 barker;
137 	__le32 file_len;
138 	u8 data[0];
139 } __packed;
140 
141 /**
142  * struct iwl_fw_error_dump_txcmd - TX command data
143  * @cmdlen: original length of command
144  * @caplen: captured length of command (may be less)
145  * @data: captured command data, @caplen bytes
146  */
147 struct iwl_fw_error_dump_txcmd {
148 	__le32 cmdlen;
149 	__le32 caplen;
150 	u8 data[];
151 } __packed;
152 
153 /**
154  * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
155  * @fifo_num: number of FIFO (starting from 0)
156  * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
157  * @wr_ptr: position of write pointer
158  * @rd_ptr: position of read pointer
159  * @fence_ptr: position of fence pointer
160  * @fence_mode: the current mode of the fence (before locking) -
161  *	0=follow RD pointer ; 1 = freeze
162  * @data: all of the FIFO's data
163  */
164 struct iwl_fw_error_dump_fifo {
165 	__le32 fifo_num;
166 	__le32 available_bytes;
167 	__le32 wr_ptr;
168 	__le32 rd_ptr;
169 	__le32 fence_ptr;
170 	__le32 fence_mode;
171 	u8 data[];
172 } __packed;
173 
174 enum iwl_fw_error_dump_family {
175 	IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
176 	IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
177 };
178 
179 /**
180  * struct iwl_fw_error_dump_info - info on the device / firmware
181  * @device_family: the family of the device (7 / 8)
182  * @hw_step: the step of the device
183  * @fw_human_readable: human readable FW version
184  * @dev_human_readable: name of the device
185  * @bus_human_readable: name of the bus used
186  */
187 struct iwl_fw_error_dump_info {
188 	__le32 device_family;
189 	__le32 hw_step;
190 	u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
191 	u8 dev_human_readable[64];
192 	u8 bus_human_readable[8];
193 } __packed;
194 
195 /**
196  * struct iwl_fw_error_dump_fw_mon - FW monitor data
197  * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
198  * @fw_mon_base_ptr: base pointer of the data
199  * @fw_mon_cycle_cnt: number of wraparounds
200  * @reserved: for future use
201  * @data: captured data
202  */
203 struct iwl_fw_error_dump_fw_mon {
204 	__le32 fw_mon_wr_ptr;
205 	__le32 fw_mon_base_ptr;
206 	__le32 fw_mon_cycle_cnt;
207 	__le32 reserved[3];
208 	u8 data[];
209 } __packed;
210 
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 };
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 /**
239  * struct iwl_fw_error_dump_rb - content of an Receive Buffer
240  * @index: the index of the Receive Buffer in the Rx queue
241  * @rxq: the RB's Rx queue
242  * @reserved:
243  * @data: the content of the Receive Buffer
244  */
245 struct iwl_fw_error_dump_rb {
246 	__le32 index;
247 	__le32 rxq;
248 	__le32 reserved;
249 	u8 data[];
250 };
251 
252 /**
253  * struct iwl_fw_error_dump_paging - content of the UMAC's image page
254  *	block on DRAM
255  * @index: the index of the page block
256  * @reserved:
257  * @data: the content of the page block
258  */
259 struct iwl_fw_error_dump_paging {
260 	__le32 index;
261 	__le32 reserved;
262 	u8 data[];
263 };
264 
265 /**
266  * iwl_fw_error_next_data - advance fw error dump data pointer
267  * @data: previous data block
268  * Returns: next data block
269  */
270 static inline struct iwl_fw_error_dump_data *
271 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
272 {
273 	return (void *)(data->data + le32_to_cpu(data->len));
274 }
275 
276 /**
277  * enum iwl_fw_dbg_trigger - triggers available
278  *
279  * @FW_DBG_TRIGGER_USER: trigger log collection by user
280  *	This should not be defined as a trigger to the driver, but a value the
281  *	driver should set to indicate that the trigger was initiated by the
282  *	user.
283  * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
284  * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
285  *	missed.
286  * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
287  * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
288  *	command response or a notification.
289  * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
290  * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
291  * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
292  *	goes below a threshold.
293  * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
294  *	detection.
295  * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
296  *	events.
297  * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
298  * @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
299  *	threshold.
300  * @FW_DBG_TDLS: trigger log collection upon TDLS related events.
301  * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
302  *  the firmware sends a tx reply.
303  */
304 enum iwl_fw_dbg_trigger {
305 	FW_DBG_TRIGGER_INVALID = 0,
306 	FW_DBG_TRIGGER_USER,
307 	FW_DBG_TRIGGER_FW_ASSERT,
308 	FW_DBG_TRIGGER_MISSED_BEACONS,
309 	FW_DBG_TRIGGER_CHANNEL_SWITCH,
310 	FW_DBG_TRIGGER_FW_NOTIF,
311 	FW_DBG_TRIGGER_MLME,
312 	FW_DBG_TRIGGER_STATS,
313 	FW_DBG_TRIGGER_RSSI,
314 	FW_DBG_TRIGGER_TXQ_TIMERS,
315 	FW_DBG_TRIGGER_TIME_EVENT,
316 	FW_DBG_TRIGGER_BA,
317 	FW_DBG_TRIGGER_TX_LATENCY,
318 	FW_DBG_TRIGGER_TDLS,
319 	FW_DBG_TRIGGER_TX_STATUS,
320 
321 	/* must be last */
322 	FW_DBG_TRIGGER_MAX,
323 };
324 
325 /**
326  * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
327  * @type: &enum iwl_fw_dbg_trigger
328  * @data: raw data about what happened
329  */
330 struct iwl_fw_error_dump_trigger_desc {
331 	__le32 type;
332 	u8 data[];
333 };
334 
335 #endif /* __fw_error_dump_h__ */
336