1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3  * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
4  * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
5  * Copyright (C) 2015-2017 Intel Deutschland GmbH
6  */
7 #include <linux/devcoredump.h>
8 #include "iwl-drv.h"
9 #include "runtime.h"
10 #include "dbg.h"
11 #include "debugfs.h"
12 #include "iwl-io.h"
13 #include "iwl-prph.h"
14 #include "iwl-csr.h"
15 #include "pnvm.h"
16 
17 #define FW_ASSERT_LMAC_FATAL			0x70
18 #define FW_ASSERT_LMAC2_FATAL			0x72
19 #define FW_ASSERT_UMAC_FATAL			0x71
20 #define UMAC_RT_NMI_LMAC2_FATAL			0x72
21 #define RT_NMI_INTERRUPT_OTHER_LMAC_FATAL	0x73
22 #define FW_ASSERT_NMI_UNKNOWN			0x84
23 
24 /*
25  * Note: This structure is read from the device with IO accesses,
26  * and the reading already does the endian conversion. As it is
27  * read with u32-sized accesses, any members with a different size
28  * need to be ordered correctly though!
29  */
30 struct iwl_error_event_table {
31 	u32 valid;		/* (nonzero) valid, (0) log is empty */
32 	u32 error_id;		/* type of error */
33 	u32 trm_hw_status0;	/* TRM HW status */
34 	u32 trm_hw_status1;	/* TRM HW status */
35 	u32 blink2;		/* branch link */
36 	u32 ilink1;		/* interrupt link */
37 	u32 ilink2;		/* interrupt link */
38 	u32 data1;		/* error-specific data */
39 	u32 data2;		/* error-specific data */
40 	u32 data3;		/* error-specific data */
41 	u32 bcon_time;		/* beacon timer */
42 	u32 tsf_low;		/* network timestamp function timer */
43 	u32 tsf_hi;		/* network timestamp function timer */
44 	u32 gp1;		/* GP1 timer register */
45 	u32 gp2;		/* GP2 timer register */
46 	u32 fw_rev_type;	/* firmware revision type */
47 	u32 major;		/* uCode version major */
48 	u32 minor;		/* uCode version minor */
49 	u32 hw_ver;		/* HW Silicon version */
50 	u32 brd_ver;		/* HW board version */
51 	u32 log_pc;		/* log program counter */
52 	u32 frame_ptr;		/* frame pointer */
53 	u32 stack_ptr;		/* stack pointer */
54 	u32 hcmd;		/* last host command header */
55 	u32 isr0;		/* isr status register LMPM_NIC_ISR0:
56 				 * rxtx_flag */
57 	u32 isr1;		/* isr status register LMPM_NIC_ISR1:
58 				 * host_flag */
59 	u32 isr2;		/* isr status register LMPM_NIC_ISR2:
60 				 * enc_flag */
61 	u32 isr3;		/* isr status register LMPM_NIC_ISR3:
62 				 * time_flag */
63 	u32 isr4;		/* isr status register LMPM_NIC_ISR4:
64 				 * wico interrupt */
65 	u32 last_cmd_id;	/* last HCMD id handled by the firmware */
66 	u32 wait_event;		/* wait event() caller address */
67 	u32 l2p_control;	/* L2pControlField */
68 	u32 l2p_duration;	/* L2pDurationField */
69 	u32 l2p_mhvalid;	/* L2pMhValidBits */
70 	u32 l2p_addr_match;	/* L2pAddrMatchStat */
71 	u32 lmpm_pmg_sel;	/* indicate which clocks are turned on
72 				 * (LMPM_PMG_SEL) */
73 	u32 u_timestamp;	/* indicate when the date and time of the
74 				 * compilation */
75 	u32 flow_handler;	/* FH read/write pointers, RX credit */
76 } __packed /* LOG_ERROR_TABLE_API_S_VER_3 */;
77 
78 /*
79  * UMAC error struct - relevant starting from family 8000 chip.
80  * Note: This structure is read from the device with IO accesses,
81  * and the reading already does the endian conversion. As it is
82  * read with u32-sized accesses, any members with a different size
83  * need to be ordered correctly though!
84  */
85 struct iwl_umac_error_event_table {
86 	u32 valid;		/* (nonzero) valid, (0) log is empty */
87 	u32 error_id;		/* type of error */
88 	u32 blink1;		/* branch link */
89 	u32 blink2;		/* branch link */
90 	u32 ilink1;		/* interrupt link */
91 	u32 ilink2;		/* interrupt link */
92 	u32 data1;		/* error-specific data */
93 	u32 data2;		/* error-specific data */
94 	u32 data3;		/* error-specific data */
95 	u32 umac_major;
96 	u32 umac_minor;
97 	u32 frame_pointer;	/* core register 27*/
98 	u32 stack_pointer;	/* core register 28 */
99 	u32 cmd_header;		/* latest host cmd sent to UMAC */
100 	u32 nic_isr_pref;	/* ISR status register */
101 } __packed;
102 
103 #define ERROR_START_OFFSET  (1 * sizeof(u32))
104 #define ERROR_ELEM_SIZE     (7 * sizeof(u32))
105 
106 static bool iwl_fwrt_if_errorid_other_cpu(u32 err_id)
107 {
108 	err_id &= 0xFF;
109 
110 	if ((err_id >= FW_ASSERT_LMAC_FATAL &&
111 	     err_id <= RT_NMI_INTERRUPT_OTHER_LMAC_FATAL) ||
112 	    err_id == FW_ASSERT_NMI_UNKNOWN)
113 		return  true;
114 	return false;
115 }
116 
117 static void iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime *fwrt)
118 {
119 	struct iwl_trans *trans = fwrt->trans;
120 	struct iwl_umac_error_event_table table = {};
121 	u32 base = fwrt->trans->dbg.umac_error_event_table;
122 	char pnvm_name[MAX_PNVM_NAME];
123 
124 	if (!base &&
125 	    !(fwrt->trans->dbg.error_event_table_tlv_status &
126 	      IWL_ERROR_EVENT_TABLE_UMAC))
127 		return;
128 
129 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
130 
131 	if (table.valid)
132 		fwrt->dump.umac_err_id = table.error_id;
133 
134 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.umac_err_id) &&
135 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
136 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
137 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
138 			 "0x%x", fwrt->dump.umac_err_id);
139 	}
140 
141 	if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
142 		IWL_ERR(trans, "Start IWL Error Log Dump:\n");
143 		IWL_ERR(trans, "Transport status: 0x%08lX, valid: %d\n",
144 			fwrt->trans->status, table.valid);
145 	}
146 
147 	if ((table.error_id & ~FW_SYSASSERT_CPU_MASK) ==
148 	    FW_SYSASSERT_PNVM_MISSING) {
149 		iwl_pnvm_get_fs_name(trans, pnvm_name, sizeof(pnvm_name));
150 		IWL_ERR(fwrt, "PNVM data is missing, please install %s\n",
151 			pnvm_name);
152 	}
153 
154 	IWL_ERR(fwrt, "0x%08X | %s\n", table.error_id,
155 		iwl_fw_lookup_assert_desc(table.error_id));
156 	IWL_ERR(fwrt, "0x%08X | umac branchlink1\n", table.blink1);
157 	IWL_ERR(fwrt, "0x%08X | umac branchlink2\n", table.blink2);
158 	IWL_ERR(fwrt, "0x%08X | umac interruptlink1\n", table.ilink1);
159 	IWL_ERR(fwrt, "0x%08X | umac interruptlink2\n", table.ilink2);
160 	IWL_ERR(fwrt, "0x%08X | umac data1\n", table.data1);
161 	IWL_ERR(fwrt, "0x%08X | umac data2\n", table.data2);
162 	IWL_ERR(fwrt, "0x%08X | umac data3\n", table.data3);
163 	IWL_ERR(fwrt, "0x%08X | umac major\n", table.umac_major);
164 	IWL_ERR(fwrt, "0x%08X | umac minor\n", table.umac_minor);
165 	IWL_ERR(fwrt, "0x%08X | frame pointer\n", table.frame_pointer);
166 	IWL_ERR(fwrt, "0x%08X | stack pointer\n", table.stack_pointer);
167 	IWL_ERR(fwrt, "0x%08X | last host cmd\n", table.cmd_header);
168 	IWL_ERR(fwrt, "0x%08X | isr status reg\n", table.nic_isr_pref);
169 }
170 
171 static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_num)
172 {
173 	struct iwl_trans *trans = fwrt->trans;
174 	struct iwl_error_event_table table = {};
175 	u32 val, base = fwrt->trans->dbg.lmac_error_event_table[lmac_num];
176 
177 	if (fwrt->cur_fw_img == IWL_UCODE_INIT) {
178 		if (!base)
179 			base = fwrt->fw->init_errlog_ptr;
180 	} else {
181 		if (!base)
182 			base = fwrt->fw->inst_errlog_ptr;
183 	}
184 
185 	if ((fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ && !base) ||
186 	    (fwrt->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ && base < 0x400000)) {
187 		IWL_ERR(fwrt,
188 			"Not valid error log pointer 0x%08X for %s uCode\n",
189 			base,
190 			(fwrt->cur_fw_img == IWL_UCODE_INIT)
191 			? "Init" : "RT");
192 		return;
193 	}
194 
195 	/* check if there is a HW error */
196 	val = iwl_trans_read_mem32(trans, base);
197 	if (iwl_trans_is_hw_error_value(val)) {
198 		int err;
199 
200 		IWL_ERR(trans, "HW error, resetting before reading\n");
201 
202 		/* reset the device */
203 		err = iwl_trans_sw_reset(trans, true);
204 		if (err)
205 			return;
206 
207 		err = iwl_finish_nic_init(trans);
208 		if (err)
209 			return;
210 	}
211 
212 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
213 
214 	if (table.valid)
215 		fwrt->dump.lmac_err_id[lmac_num] = table.error_id;
216 
217 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.lmac_err_id[lmac_num]) &&
218 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
219 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
220 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
221 			 "0x%x", fwrt->dump.lmac_err_id[lmac_num]);
222 	}
223 
224 	if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
225 		IWL_ERR(trans, "Start IWL Error Log Dump:\n");
226 		IWL_ERR(trans, "Transport status: 0x%08lX, valid: %d\n",
227 			fwrt->trans->status, table.valid);
228 	}
229 
230 	/* Do not change this output - scripts rely on it */
231 
232 	IWL_ERR(fwrt, "Loaded firmware version: %s\n", fwrt->fw->fw_version);
233 
234 	IWL_ERR(fwrt, "0x%08X | %-28s\n", table.error_id,
235 		iwl_fw_lookup_assert_desc(table.error_id));
236 	IWL_ERR(fwrt, "0x%08X | trm_hw_status0\n", table.trm_hw_status0);
237 	IWL_ERR(fwrt, "0x%08X | trm_hw_status1\n", table.trm_hw_status1);
238 	IWL_ERR(fwrt, "0x%08X | branchlink2\n", table.blink2);
239 	IWL_ERR(fwrt, "0x%08X | interruptlink1\n", table.ilink1);
240 	IWL_ERR(fwrt, "0x%08X | interruptlink2\n", table.ilink2);
241 	IWL_ERR(fwrt, "0x%08X | data1\n", table.data1);
242 	IWL_ERR(fwrt, "0x%08X | data2\n", table.data2);
243 	IWL_ERR(fwrt, "0x%08X | data3\n", table.data3);
244 	IWL_ERR(fwrt, "0x%08X | beacon time\n", table.bcon_time);
245 	IWL_ERR(fwrt, "0x%08X | tsf low\n", table.tsf_low);
246 	IWL_ERR(fwrt, "0x%08X | tsf hi\n", table.tsf_hi);
247 	IWL_ERR(fwrt, "0x%08X | time gp1\n", table.gp1);
248 	IWL_ERR(fwrt, "0x%08X | time gp2\n", table.gp2);
249 	IWL_ERR(fwrt, "0x%08X | uCode revision type\n", table.fw_rev_type);
250 	IWL_ERR(fwrt, "0x%08X | uCode version major\n", table.major);
251 	IWL_ERR(fwrt, "0x%08X | uCode version minor\n", table.minor);
252 	IWL_ERR(fwrt, "0x%08X | hw version\n", table.hw_ver);
253 	IWL_ERR(fwrt, "0x%08X | board version\n", table.brd_ver);
254 	IWL_ERR(fwrt, "0x%08X | hcmd\n", table.hcmd);
255 	IWL_ERR(fwrt, "0x%08X | isr0\n", table.isr0);
256 	IWL_ERR(fwrt, "0x%08X | isr1\n", table.isr1);
257 	IWL_ERR(fwrt, "0x%08X | isr2\n", table.isr2);
258 	IWL_ERR(fwrt, "0x%08X | isr3\n", table.isr3);
259 	IWL_ERR(fwrt, "0x%08X | isr4\n", table.isr4);
260 	IWL_ERR(fwrt, "0x%08X | last cmd Id\n", table.last_cmd_id);
261 	IWL_ERR(fwrt, "0x%08X | wait_event\n", table.wait_event);
262 	IWL_ERR(fwrt, "0x%08X | l2p_control\n", table.l2p_control);
263 	IWL_ERR(fwrt, "0x%08X | l2p_duration\n", table.l2p_duration);
264 	IWL_ERR(fwrt, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
265 	IWL_ERR(fwrt, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
266 	IWL_ERR(fwrt, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
267 	IWL_ERR(fwrt, "0x%08X | timestamp\n", table.u_timestamp);
268 	IWL_ERR(fwrt, "0x%08X | flow_handler\n", table.flow_handler);
269 }
270 
271 /*
272  * TCM error struct.
273  * Note: This structure is read from the device with IO accesses,
274  * and the reading already does the endian conversion. As it is
275  * read with u32-sized accesses, any members with a different size
276  * need to be ordered correctly though!
277  */
278 struct iwl_tcm_error_event_table {
279 	u32 valid;
280 	u32 error_id;
281 	u32 blink2;
282 	u32 ilink1;
283 	u32 ilink2;
284 	u32 data1, data2, data3;
285 	u32 logpc;
286 	u32 frame_pointer;
287 	u32 stack_pointer;
288 	u32 msgid;
289 	u32 isr;
290 	u32 hw_status[5];
291 	u32 sw_status[1];
292 	u32 reserved[4];
293 } __packed; /* TCM_LOG_ERROR_TABLE_API_S_VER_1 */
294 
295 static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
296 {
297 	struct iwl_trans *trans = fwrt->trans;
298 	struct iwl_tcm_error_event_table table = {};
299 	u32 base = fwrt->trans->dbg.tcm_error_event_table[idx];
300 	int i;
301 	u32 flag = idx ? IWL_ERROR_EVENT_TABLE_TCM2 :
302 			 IWL_ERROR_EVENT_TABLE_TCM1;
303 
304 	if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag))
305 		return;
306 
307 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
308 
309 	if (table.valid)
310 		fwrt->dump.tcm_err_id[idx] = table.error_id;
311 
312 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.tcm_err_id[idx]) &&
313 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
314 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
315 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
316 			 "0x%x", fwrt->dump.tcm_err_id[idx]);
317 	}
318 
319 	IWL_ERR(fwrt, "TCM%d status:\n", idx + 1);
320 	IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id);
321 	IWL_ERR(fwrt, "0x%08X | tcm branchlink2\n", table.blink2);
322 	IWL_ERR(fwrt, "0x%08X | tcm interruptlink1\n", table.ilink1);
323 	IWL_ERR(fwrt, "0x%08X | tcm interruptlink2\n", table.ilink2);
324 	IWL_ERR(fwrt, "0x%08X | tcm data1\n", table.data1);
325 	IWL_ERR(fwrt, "0x%08X | tcm data2\n", table.data2);
326 	IWL_ERR(fwrt, "0x%08X | tcm data3\n", table.data3);
327 	IWL_ERR(fwrt, "0x%08X | tcm log PC\n", table.logpc);
328 	IWL_ERR(fwrt, "0x%08X | tcm frame pointer\n", table.frame_pointer);
329 	IWL_ERR(fwrt, "0x%08X | tcm stack pointer\n", table.stack_pointer);
330 	IWL_ERR(fwrt, "0x%08X | tcm msg ID\n", table.msgid);
331 	IWL_ERR(fwrt, "0x%08X | tcm ISR status\n", table.isr);
332 	for (i = 0; i < ARRAY_SIZE(table.hw_status); i++)
333 		IWL_ERR(fwrt, "0x%08X | tcm HW status[%d]\n",
334 			table.hw_status[i], i);
335 	for (i = 0; i < ARRAY_SIZE(table.sw_status); i++)
336 		IWL_ERR(fwrt, "0x%08X | tcm SW status[%d]\n",
337 			table.sw_status[i], i);
338 }
339 
340 /*
341  * RCM error struct.
342  * Note: This structure is read from the device with IO accesses,
343  * and the reading already does the endian conversion. As it is
344  * read with u32-sized accesses, any members with a different size
345  * need to be ordered correctly though!
346  */
347 struct iwl_rcm_error_event_table {
348 	u32 valid;
349 	u32 error_id;
350 	u32 blink2;
351 	u32 ilink1;
352 	u32 ilink2;
353 	u32 data1, data2, data3;
354 	u32 logpc;
355 	u32 frame_pointer;
356 	u32 stack_pointer;
357 	u32 msgid;
358 	u32 isr;
359 	u32 frame_hw_status;
360 	u32 mbx_lmac_to_rcm_req;
361 	u32 mbx_rcm_to_lmac_req;
362 	u32 mh_ctl;
363 	u32 mh_addr1_lo;
364 	u32 mh_info;
365 	u32 mh_err;
366 	u32 reserved[3];
367 } __packed; /* RCM_LOG_ERROR_TABLE_API_S_VER_1 */
368 
369 static void iwl_fwrt_dump_rcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
370 {
371 	struct iwl_trans *trans = fwrt->trans;
372 	struct iwl_rcm_error_event_table table = {};
373 	u32 base = fwrt->trans->dbg.rcm_error_event_table[idx];
374 	u32 flag = idx ? IWL_ERROR_EVENT_TABLE_RCM2 :
375 			 IWL_ERROR_EVENT_TABLE_RCM1;
376 
377 	if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag))
378 		return;
379 
380 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
381 
382 	if (table.valid)
383 		fwrt->dump.rcm_err_id[idx] = table.error_id;
384 
385 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.rcm_err_id[idx]) &&
386 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
387 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
388 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
389 			 "0x%x", fwrt->dump.rcm_err_id[idx]);
390 	}
391 
392 	IWL_ERR(fwrt, "RCM%d status:\n", idx + 1);
393 	IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id);
394 	IWL_ERR(fwrt, "0x%08X | rcm branchlink2\n", table.blink2);
395 	IWL_ERR(fwrt, "0x%08X | rcm interruptlink1\n", table.ilink1);
396 	IWL_ERR(fwrt, "0x%08X | rcm interruptlink2\n", table.ilink2);
397 	IWL_ERR(fwrt, "0x%08X | rcm data1\n", table.data1);
398 	IWL_ERR(fwrt, "0x%08X | rcm data2\n", table.data2);
399 	IWL_ERR(fwrt, "0x%08X | rcm data3\n", table.data3);
400 	IWL_ERR(fwrt, "0x%08X | rcm log PC\n", table.logpc);
401 	IWL_ERR(fwrt, "0x%08X | rcm frame pointer\n", table.frame_pointer);
402 	IWL_ERR(fwrt, "0x%08X | rcm stack pointer\n", table.stack_pointer);
403 	IWL_ERR(fwrt, "0x%08X | rcm msg ID\n", table.msgid);
404 	IWL_ERR(fwrt, "0x%08X | rcm ISR status\n", table.isr);
405 	IWL_ERR(fwrt, "0x%08X | frame HW status\n", table.frame_hw_status);
406 	IWL_ERR(fwrt, "0x%08X | LMAC-to-RCM request mbox\n",
407 		table.mbx_lmac_to_rcm_req);
408 	IWL_ERR(fwrt, "0x%08X | RCM-to-LMAC request mbox\n",
409 		table.mbx_rcm_to_lmac_req);
410 	IWL_ERR(fwrt, "0x%08X | MAC header control\n", table.mh_ctl);
411 	IWL_ERR(fwrt, "0x%08X | MAC header addr1 low\n", table.mh_addr1_lo);
412 	IWL_ERR(fwrt, "0x%08X | MAC header info\n", table.mh_info);
413 	IWL_ERR(fwrt, "0x%08X | MAC header error\n", table.mh_err);
414 }
415 
416 static void iwl_fwrt_dump_iml_error_log(struct iwl_fw_runtime *fwrt)
417 {
418 	struct iwl_trans *trans = fwrt->trans;
419 	u32 error, data1;
420 
421 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
422 		error = UMAG_SB_CPU_2_STATUS;
423 		data1 = UMAG_SB_CPU_1_STATUS;
424 	} else if (fwrt->trans->trans_cfg->device_family >=
425 		   IWL_DEVICE_FAMILY_8000) {
426 		error = SB_CPU_2_STATUS;
427 		data1 = SB_CPU_1_STATUS;
428 	} else {
429 		return;
430 	}
431 
432 	error = iwl_read_umac_prph(trans, error);
433 
434 	IWL_ERR(trans, "IML/ROM dump:\n");
435 
436 	if (error & 0xFFFF0000)
437 		IWL_ERR(trans, "0x%04X | IML/ROM SYSASSERT\n", error >> 16);
438 
439 	IWL_ERR(fwrt, "0x%08X | IML/ROM error/state\n", error);
440 	IWL_ERR(fwrt, "0x%08X | IML/ROM data1\n",
441 		iwl_read_umac_prph(trans, data1));
442 
443 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
444 		IWL_ERR(fwrt, "0x%08X | IML/ROM WFPM_AUTH_KEY_0\n",
445 			iwl_read_umac_prph(trans, SB_MODIFY_CFG_FLAG));
446 }
447 
448 #define FSEQ_REG(x) { .addr = (x), .str = #x, }
449 
450 static void iwl_fwrt_dump_fseq_regs(struct iwl_fw_runtime *fwrt)
451 {
452 	struct iwl_trans *trans = fwrt->trans;
453 	int i;
454 	struct {
455 		u32 addr;
456 		const char *str;
457 	} fseq_regs[] = {
458 		FSEQ_REG(FSEQ_ERROR_CODE),
459 		FSEQ_REG(FSEQ_TOP_INIT_VERSION),
460 		FSEQ_REG(FSEQ_CNVIO_INIT_VERSION),
461 		FSEQ_REG(FSEQ_OTP_VERSION),
462 		FSEQ_REG(FSEQ_TOP_CONTENT_VERSION),
463 		FSEQ_REG(FSEQ_ALIVE_TOKEN),
464 		FSEQ_REG(FSEQ_CNVI_ID),
465 		FSEQ_REG(FSEQ_CNVR_ID),
466 		FSEQ_REG(CNVI_AUX_MISC_CHIP),
467 		FSEQ_REG(CNVR_AUX_MISC_CHIP),
468 		FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM),
469 		FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR),
470 		FSEQ_REG(FSEQ_PREV_CNVIO_INIT_VERSION),
471 		FSEQ_REG(FSEQ_WIFI_FSEQ_VERSION),
472 		FSEQ_REG(FSEQ_BT_FSEQ_VERSION),
473 		FSEQ_REG(FSEQ_CLASS_TP_VERSION),
474 	};
475 
476 	if (!iwl_trans_grab_nic_access(trans))
477 		return;
478 
479 	IWL_ERR(fwrt, "Fseq Registers:\n");
480 
481 	for (i = 0; i < ARRAY_SIZE(fseq_regs); i++)
482 		IWL_ERR(fwrt, "0x%08X | %s\n",
483 			iwl_read_prph_no_grab(trans, fseq_regs[i].addr),
484 			fseq_regs[i].str);
485 
486 	iwl_trans_release_nic_access(trans);
487 }
488 
489 void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt)
490 {
491 	struct iwl_pc_data *pc_data;
492 	u8 count;
493 
494 	if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) {
495 		IWL_ERR(fwrt,
496 			"DEVICE_ENABLED bit is not set. Aborting dump.\n");
497 		return;
498 	}
499 
500 	iwl_fwrt_dump_lmac_error_log(fwrt, 0);
501 	if (fwrt->trans->dbg.lmac_error_event_table[1])
502 		iwl_fwrt_dump_lmac_error_log(fwrt, 1);
503 	iwl_fwrt_dump_umac_error_log(fwrt);
504 	iwl_fwrt_dump_tcm_error_log(fwrt, 0);
505 	iwl_fwrt_dump_rcm_error_log(fwrt, 0);
506 	if (fwrt->trans->dbg.tcm_error_event_table[1])
507 		iwl_fwrt_dump_tcm_error_log(fwrt, 1);
508 	if (fwrt->trans->dbg.rcm_error_event_table[1])
509 		iwl_fwrt_dump_rcm_error_log(fwrt, 1);
510 	iwl_fwrt_dump_iml_error_log(fwrt);
511 	iwl_fwrt_dump_fseq_regs(fwrt);
512 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
513 		pc_data = fwrt->trans->dbg.pc_data;
514 
515 		if (!iwl_trans_grab_nic_access(fwrt->trans))
516 			return;
517 		for (count = 0; count < fwrt->trans->dbg.num_pc;
518 		     count++, pc_data++)
519 			IWL_ERR(fwrt, "%s: 0x%x\n",
520 				pc_data->pc_name,
521 				iwl_read_prph_no_grab(fwrt->trans,
522 						      pc_data->pc_address));
523 		iwl_trans_release_nic_access(fwrt->trans);
524 	}
525 
526 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
527 		u32 scratch = iwl_read32(fwrt->trans, CSR_FUNC_SCRATCH);
528 
529 		IWL_ERR(fwrt, "Function Scratch status:\n");
530 		IWL_ERR(fwrt, "0x%08X | Func Scratch\n", scratch);
531 	}
532 }
533 IWL_EXPORT_SYMBOL(iwl_fwrt_dump_error_logs);
534