xref: /linux/drivers/net/ethernet/qlogic/qed/qed_debug.c (revision cbf658dd09419f1ef9de11b9604e950bdd5c170b)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015 QLogic Corporation
4  * Copyright (c) 2019-2021 Marvell International Ltd.
5  */
6 
7 #include <linux/module.h>
8 #include <linux/vmalloc.h>
9 #include <linux/crc32.h>
10 #include "qed.h"
11 #include "qed_cxt.h"
12 #include "qed_hsi.h"
13 #include "qed_dbg_hsi.h"
14 #include "qed_hw.h"
15 #include "qed_mcp.h"
16 #include "qed_reg_addr.h"
17 
18 /* Memory groups enum */
19 enum mem_groups {
20 	MEM_GROUP_PXP_MEM,
21 	MEM_GROUP_DMAE_MEM,
22 	MEM_GROUP_CM_MEM,
23 	MEM_GROUP_QM_MEM,
24 	MEM_GROUP_DORQ_MEM,
25 	MEM_GROUP_BRB_RAM,
26 	MEM_GROUP_BRB_MEM,
27 	MEM_GROUP_PRS_MEM,
28 	MEM_GROUP_SDM_MEM,
29 	MEM_GROUP_PBUF,
30 	MEM_GROUP_IOR,
31 	MEM_GROUP_RAM,
32 	MEM_GROUP_BTB_RAM,
33 	MEM_GROUP_RDIF_CTX,
34 	MEM_GROUP_TDIF_CTX,
35 	MEM_GROUP_CFC_MEM,
36 	MEM_GROUP_CONN_CFC_MEM,
37 	MEM_GROUP_CAU_PI,
38 	MEM_GROUP_CAU_MEM,
39 	MEM_GROUP_CAU_MEM_EXT,
40 	MEM_GROUP_PXP_ILT,
41 	MEM_GROUP_MULD_MEM,
42 	MEM_GROUP_BTB_MEM,
43 	MEM_GROUP_IGU_MEM,
44 	MEM_GROUP_IGU_MSIX,
45 	MEM_GROUP_CAU_SB,
46 	MEM_GROUP_BMB_RAM,
47 	MEM_GROUP_BMB_MEM,
48 	MEM_GROUP_TM_MEM,
49 	MEM_GROUP_TASK_CFC_MEM,
50 	MEM_GROUPS_NUM
51 };
52 
53 /* Memory groups names */
54 static const char * const s_mem_group_names[] = {
55 	"PXP_MEM",
56 	"DMAE_MEM",
57 	"CM_MEM",
58 	"QM_MEM",
59 	"DORQ_MEM",
60 	"BRB_RAM",
61 	"BRB_MEM",
62 	"PRS_MEM",
63 	"SDM_MEM",
64 	"PBUF",
65 	"IOR",
66 	"RAM",
67 	"BTB_RAM",
68 	"RDIF_CTX",
69 	"TDIF_CTX",
70 	"CFC_MEM",
71 	"CONN_CFC_MEM",
72 	"CAU_PI",
73 	"CAU_MEM",
74 	"CAU_MEM_EXT",
75 	"PXP_ILT",
76 	"MULD_MEM",
77 	"BTB_MEM",
78 	"IGU_MEM",
79 	"IGU_MSIX",
80 	"CAU_SB",
81 	"BMB_RAM",
82 	"BMB_MEM",
83 	"TM_MEM",
84 	"TASK_CFC_MEM",
85 };
86 
87 /* Idle check conditions */
88 
cond5(const u32 * r,const u32 * imm)89 static u32 cond5(const u32 *r, const u32 *imm)
90 {
91 	return ((r[0] & imm[0]) != imm[1]) && ((r[1] & imm[2]) != imm[3]);
92 }
93 
cond7(const u32 * r,const u32 * imm)94 static u32 cond7(const u32 *r, const u32 *imm)
95 {
96 	return ((r[0] >> imm[0]) & imm[1]) != imm[2];
97 }
98 
cond6(const u32 * r,const u32 * imm)99 static u32 cond6(const u32 *r, const u32 *imm)
100 {
101 	return (r[0] & imm[0]) != imm[1];
102 }
103 
cond9(const u32 * r,const u32 * imm)104 static u32 cond9(const u32 *r, const u32 *imm)
105 {
106 	return ((r[0] & imm[0]) >> imm[1]) !=
107 	    (((r[0] & imm[2]) >> imm[3]) | ((r[1] & imm[4]) << imm[5]));
108 }
109 
cond10(const u32 * r,const u32 * imm)110 static u32 cond10(const u32 *r, const u32 *imm)
111 {
112 	return ((r[0] & imm[0]) >> imm[1]) != (r[0] & imm[2]);
113 }
114 
cond4(const u32 * r,const u32 * imm)115 static u32 cond4(const u32 *r, const u32 *imm)
116 {
117 	return (r[0] & ~imm[0]) != imm[1];
118 }
119 
cond0(const u32 * r,const u32 * imm)120 static u32 cond0(const u32 *r, const u32 *imm)
121 {
122 	return (r[0] & ~r[1]) != imm[0];
123 }
124 
cond14(const u32 * r,const u32 * imm)125 static u32 cond14(const u32 *r, const u32 *imm)
126 {
127 	return (r[0] | imm[0]) != imm[1];
128 }
129 
cond1(const u32 * r,const u32 * imm)130 static u32 cond1(const u32 *r, const u32 *imm)
131 {
132 	return r[0] != imm[0];
133 }
134 
cond11(const u32 * r,const u32 * imm)135 static u32 cond11(const u32 *r, const u32 *imm)
136 {
137 	return r[0] != r[1] && r[2] == imm[0];
138 }
139 
cond12(const u32 * r,const u32 * imm)140 static u32 cond12(const u32 *r, const u32 *imm)
141 {
142 	return r[0] != r[1] && r[2] > imm[0];
143 }
144 
cond3(const u32 * r,const u32 * imm)145 static u32 cond3(const u32 *r, const u32 *imm)
146 {
147 	return r[0] != r[1];
148 }
149 
cond13(const u32 * r,const u32 * imm)150 static u32 cond13(const u32 *r, const u32 *imm)
151 {
152 	return r[0] & imm[0];
153 }
154 
cond8(const u32 * r,const u32 * imm)155 static u32 cond8(const u32 *r, const u32 *imm)
156 {
157 	return r[0] < (r[1] - imm[0]);
158 }
159 
cond2(const u32 * r,const u32 * imm)160 static u32 cond2(const u32 *r, const u32 *imm)
161 {
162 	return r[0] > imm[0];
163 }
164 
165 /* Array of Idle Check conditions */
166 static u32(*cond_arr[]) (const u32 *r, const u32 *imm) = {
167 	cond0,
168 	cond1,
169 	cond2,
170 	cond3,
171 	cond4,
172 	cond5,
173 	cond6,
174 	cond7,
175 	cond8,
176 	cond9,
177 	cond10,
178 	cond11,
179 	cond12,
180 	cond13,
181 	cond14,
182 };
183 
184 #define NUM_PHYS_BLOCKS 84
185 
186 #define NUM_DBG_RESET_REGS 8
187 
188 /******************************* Data Types **********************************/
189 
190 enum hw_types {
191 	HW_TYPE_ASIC,
192 	PLATFORM_RESERVED,
193 	PLATFORM_RESERVED2,
194 	PLATFORM_RESERVED3,
195 	PLATFORM_RESERVED4,
196 	MAX_HW_TYPES
197 };
198 
199 /* CM context types */
200 enum cm_ctx_types {
201 	CM_CTX_CONN_AG,
202 	CM_CTX_CONN_ST,
203 	CM_CTX_TASK_AG,
204 	CM_CTX_TASK_ST,
205 	NUM_CM_CTX_TYPES
206 };
207 
208 /* Debug bus frame modes */
209 enum dbg_bus_frame_modes {
210 	DBG_BUS_FRAME_MODE_4ST = 0,	/* 4 Storm dwords (no HW) */
211 	DBG_BUS_FRAME_MODE_2ST_2HW = 1,	/* 2 Storm dwords, 2 HW dwords */
212 	DBG_BUS_FRAME_MODE_1ST_3HW = 2,	/* 1 Storm dwords, 3 HW dwords */
213 	DBG_BUS_FRAME_MODE_4HW = 3,	/* 4 HW dwords (no Storms) */
214 	DBG_BUS_FRAME_MODE_8HW = 4,	/* 8 HW dwords (no Storms) */
215 	DBG_BUS_NUM_FRAME_MODES
216 };
217 
218 /* Debug bus SEMI frame modes */
219 enum dbg_bus_semi_frame_modes {
220 	DBG_BUS_SEMI_FRAME_MODE_4FAST = 0,	/* 4 fast dw */
221 	DBG_BUS_SEMI_FRAME_MODE_2FAST_2SLOW = 1, /* 2 fast dw, 2 slow dw */
222 	DBG_BUS_SEMI_FRAME_MODE_1FAST_3SLOW = 2, /* 1 fast dw,3 slow dw */
223 	DBG_BUS_SEMI_FRAME_MODE_4SLOW = 3,	/* 4 slow dw */
224 	DBG_BUS_SEMI_NUM_FRAME_MODES
225 };
226 
227 /* Debug bus filter types */
228 enum dbg_bus_filter_types {
229 	DBG_BUS_FILTER_TYPE_OFF,	/* Filter always off */
230 	DBG_BUS_FILTER_TYPE_PRE,	/* Filter before trigger only */
231 	DBG_BUS_FILTER_TYPE_POST,	/* Filter after trigger only */
232 	DBG_BUS_FILTER_TYPE_ON	/* Filter always on */
233 };
234 
235 /* Debug bus pre-trigger recording types */
236 enum dbg_bus_pre_trigger_types {
237 	DBG_BUS_PRE_TRIGGER_FROM_ZERO,	/* Record from time 0 */
238 	DBG_BUS_PRE_TRIGGER_NUM_CHUNKS,	/* Record some chunks before trigger */
239 	DBG_BUS_PRE_TRIGGER_DROP	/* Drop data before trigger */
240 };
241 
242 /* Debug bus post-trigger recording types */
243 enum dbg_bus_post_trigger_types {
244 	DBG_BUS_POST_TRIGGER_RECORD,	/* Start recording after trigger */
245 	DBG_BUS_POST_TRIGGER_DROP	/* Drop data after trigger */
246 };
247 
248 /* Debug bus other engine mode */
249 enum dbg_bus_other_engine_modes {
250 	DBG_BUS_OTHER_ENGINE_MODE_NONE,
251 	DBG_BUS_OTHER_ENGINE_MODE_DOUBLE_BW_TX,
252 	DBG_BUS_OTHER_ENGINE_MODE_DOUBLE_BW_RX,
253 	DBG_BUS_OTHER_ENGINE_MODE_CROSS_ENGINE_TX,
254 	DBG_BUS_OTHER_ENGINE_MODE_CROSS_ENGINE_RX
255 };
256 
257 /* DBG block Framing mode definitions */
258 struct framing_mode_defs {
259 	u8 id;
260 	u8 blocks_dword_mask;
261 	u8 storms_dword_mask;
262 	u8 semi_framing_mode_id;
263 	u8 full_buf_thr;
264 };
265 
266 /* Chip constant definitions */
267 struct chip_defs {
268 	const char *name;
269 	u8 dwords_per_cycle;
270 	u8 num_framing_modes;
271 	u32 num_ilt_pages;
272 	struct framing_mode_defs *framing_modes;
273 };
274 
275 /* HW type constant definitions */
276 struct hw_type_defs {
277 	const char *name;
278 	u32 delay_factor;
279 	u32 dmae_thresh;
280 	u32 log_thresh;
281 };
282 
283 /* RBC reset definitions */
284 struct rbc_reset_defs {
285 	u32 reset_reg_addr;
286 	u32 reset_val[MAX_CHIP_IDS];
287 };
288 
289 /* Storm constant definitions.
290  * Addresses are in bytes, sizes are in quad-regs.
291  */
292 struct storm_defs {
293 	char letter;
294 	enum block_id sem_block_id;
295 	enum dbg_bus_clients dbg_client_id[MAX_CHIP_IDS];
296 	bool has_vfc;
297 	u32 sem_fast_mem_addr;
298 	u32 sem_frame_mode_addr;
299 	u32 sem_slow_enable_addr;
300 	u32 sem_slow_mode_addr;
301 	u32 sem_slow_mode1_conf_addr;
302 	u32 sem_sync_dbg_empty_addr;
303 	u32 sem_gpre_vect_addr;
304 	u32 cm_ctx_wr_addr;
305 	u32 cm_ctx_rd_addr[NUM_CM_CTX_TYPES];
306 	u32 cm_ctx_lid_sizes[MAX_CHIP_IDS][NUM_CM_CTX_TYPES];
307 };
308 
309 /* Debug Bus Constraint operation constant definitions */
310 struct dbg_bus_constraint_op_defs {
311 	u8 hw_op_val;
312 	bool is_cyclic;
313 };
314 
315 /* Storm Mode definitions */
316 struct storm_mode_defs {
317 	const char *name;
318 	bool is_fast_dbg;
319 	u8 id_in_hw;
320 	u32 src_disable_reg_addr;
321 	u32 src_enable_val;
322 	bool exists[MAX_CHIP_IDS];
323 };
324 
325 struct grc_param_defs {
326 	u32 default_val[MAX_CHIP_IDS];
327 	u32 min;
328 	u32 max;
329 	bool is_preset;
330 	bool is_persistent;
331 	u32 exclude_all_preset_val;
332 	u32 crash_preset_val[MAX_CHIP_IDS];
333 };
334 
335 /* Address is in 128b units. Width is in bits. */
336 struct rss_mem_defs {
337 	const char *mem_name;
338 	const char *type_name;
339 	u32 addr;
340 	u32 entry_width;
341 	u32 num_entries[MAX_CHIP_IDS];
342 };
343 
344 struct vfc_ram_defs {
345 	const char *mem_name;
346 	const char *type_name;
347 	u32 base_row;
348 	u32 num_rows;
349 };
350 
351 struct big_ram_defs {
352 	const char *instance_name;
353 	enum mem_groups mem_group_id;
354 	enum mem_groups ram_mem_group_id;
355 	enum dbg_grc_params grc_param;
356 	u32 addr_reg_addr;
357 	u32 data_reg_addr;
358 	u32 is_256b_reg_addr;
359 	u32 is_256b_bit_offset[MAX_CHIP_IDS];
360 	u32 ram_size[MAX_CHIP_IDS]; /* In dwords */
361 };
362 
363 struct phy_defs {
364 	const char *phy_name;
365 
366 	/* PHY base GRC address */
367 	u32 base_addr;
368 
369 	/* Relative address of indirect TBUS address register (bits 0..7) */
370 	u32 tbus_addr_lo_addr;
371 
372 	/* Relative address of indirect TBUS address register (bits 8..10) */
373 	u32 tbus_addr_hi_addr;
374 
375 	/* Relative address of indirect TBUS data register (bits 0..7) */
376 	u32 tbus_data_lo_addr;
377 
378 	/* Relative address of indirect TBUS data register (bits 8..11) */
379 	u32 tbus_data_hi_addr;
380 };
381 
382 /* Split type definitions */
383 struct split_type_defs {
384 	const char *name;
385 };
386 
387 /******************************** Constants **********************************/
388 
389 #define BYTES_IN_DWORD			sizeof(u32)
390 /* In the macros below, size and offset are specified in bits */
391 #define CEIL_DWORDS(size)		DIV_ROUND_UP(size, 32)
392 #define FIELD_BIT_OFFSET(type, field)	type ## _ ## field ## _ ## OFFSET
393 #define FIELD_BIT_SIZE(type, field)	type ## _ ## field ## _ ## SIZE
394 #define FIELD_DWORD_OFFSET(type, field) \
395 	 ((int)(FIELD_BIT_OFFSET(type, field) / 32))
396 #define FIELD_DWORD_SHIFT(type, field)	(FIELD_BIT_OFFSET(type, field) % 32)
397 #define FIELD_BIT_MASK(type, field) \
398 	(((1 << FIELD_BIT_SIZE(type, field)) - 1) << \
399 	 FIELD_DWORD_SHIFT(type, field))
400 
401 #define SET_VAR_FIELD(var, type, field, val) \
402 	do { \
403 		var[FIELD_DWORD_OFFSET(type, field)] &=	\
404 		(~FIELD_BIT_MASK(type, field));	\
405 		var[FIELD_DWORD_OFFSET(type, field)] |= \
406 		(val) << FIELD_DWORD_SHIFT(type, field); \
407 	} while (0)
408 
409 #define ARR_REG_WR(dev, ptt, addr, arr, arr_size) \
410 	do { \
411 		for (i = 0; i < (arr_size); i++) \
412 			qed_wr(dev, ptt, addr,	(arr)[i]); \
413 	} while (0)
414 
415 #define DWORDS_TO_BYTES(dwords)		((dwords) * BYTES_IN_DWORD)
416 #define BYTES_TO_DWORDS(bytes)		((bytes) / BYTES_IN_DWORD)
417 
418 /* extra lines include a signature line + optional latency events line */
419 #define NUM_EXTRA_DBG_LINES(block) \
420 	(GET_FIELD((block)->flags, DBG_BLOCK_CHIP_HAS_LATENCY_EVENTS) ? 2 : 1)
421 #define NUM_DBG_LINES(block) \
422 	((block)->num_of_dbg_bus_lines + NUM_EXTRA_DBG_LINES(block))
423 
424 #define USE_DMAE			true
425 #define PROTECT_WIDE_BUS		true
426 
427 #define RAM_LINES_TO_DWORDS(lines)	((lines) * 2)
428 #define RAM_LINES_TO_BYTES(lines) \
429 	DWORDS_TO_BYTES(RAM_LINES_TO_DWORDS(lines))
430 
431 #define REG_DUMP_LEN_SHIFT		24
432 #define MEM_DUMP_ENTRY_SIZE_DWORDS \
433 	BYTES_TO_DWORDS(sizeof(struct dbg_dump_mem))
434 
435 #define IDLE_CHK_RULE_SIZE_DWORDS \
436 	BYTES_TO_DWORDS(sizeof(struct dbg_idle_chk_rule))
437 
438 #define IDLE_CHK_RESULT_HDR_DWORDS \
439 	BYTES_TO_DWORDS(sizeof(struct dbg_idle_chk_result_hdr))
440 
441 #define IDLE_CHK_RESULT_REG_HDR_DWORDS \
442 	BYTES_TO_DWORDS(sizeof(struct dbg_idle_chk_result_reg_hdr))
443 
444 #define PAGE_MEM_DESC_SIZE_DWORDS \
445 	BYTES_TO_DWORDS(sizeof(struct phys_mem_desc))
446 
447 #define IDLE_CHK_MAX_ENTRIES_SIZE	32
448 
449 /* The sizes and offsets below are specified in bits */
450 #define VFC_CAM_CMD_STRUCT_SIZE		64
451 #define VFC_CAM_CMD_ROW_OFFSET		48
452 #define VFC_CAM_CMD_ROW_SIZE		9
453 #define VFC_CAM_ADDR_STRUCT_SIZE	16
454 #define VFC_CAM_ADDR_OP_OFFSET		0
455 #define VFC_CAM_ADDR_OP_SIZE		4
456 #define VFC_CAM_RESP_STRUCT_SIZE	256
457 #define VFC_RAM_ADDR_STRUCT_SIZE	16
458 #define VFC_RAM_ADDR_OP_OFFSET		0
459 #define VFC_RAM_ADDR_OP_SIZE		2
460 #define VFC_RAM_ADDR_ROW_OFFSET		2
461 #define VFC_RAM_ADDR_ROW_SIZE		10
462 #define VFC_RAM_RESP_STRUCT_SIZE	256
463 
464 #define VFC_CAM_CMD_DWORDS		CEIL_DWORDS(VFC_CAM_CMD_STRUCT_SIZE)
465 #define VFC_CAM_ADDR_DWORDS		CEIL_DWORDS(VFC_CAM_ADDR_STRUCT_SIZE)
466 #define VFC_CAM_RESP_DWORDS		CEIL_DWORDS(VFC_CAM_RESP_STRUCT_SIZE)
467 #define VFC_RAM_CMD_DWORDS		VFC_CAM_CMD_DWORDS
468 #define VFC_RAM_ADDR_DWORDS		CEIL_DWORDS(VFC_RAM_ADDR_STRUCT_SIZE)
469 #define VFC_RAM_RESP_DWORDS		CEIL_DWORDS(VFC_RAM_RESP_STRUCT_SIZE)
470 
471 #define NUM_VFC_RAM_TYPES		4
472 
473 #define VFC_CAM_NUM_ROWS		512
474 
475 #define VFC_OPCODE_CAM_RD		14
476 #define VFC_OPCODE_RAM_RD		0
477 
478 #define NUM_RSS_MEM_TYPES		5
479 
480 #define NUM_BIG_RAM_TYPES		3
481 #define BIG_RAM_NAME_LEN		3
482 
483 #define NUM_PHY_TBUS_ADDRESSES		2048
484 #define PHY_DUMP_SIZE_DWORDS		(NUM_PHY_TBUS_ADDRESSES / 2)
485 
486 #define RESET_REG_UNRESET_OFFSET	4
487 
488 #define STALL_DELAY_MS			500
489 
490 #define STATIC_DEBUG_LINE_DWORDS	9
491 
492 #define NUM_COMMON_GLOBAL_PARAMS	10
493 
494 #define MAX_RECURSION_DEPTH		10
495 
496 #define FW_IMG_KUKU                     0
497 #define FW_IMG_MAIN			1
498 #define FW_IMG_L2B                      2
499 
500 #define REG_FIFO_ELEMENT_DWORDS		2
501 #define REG_FIFO_DEPTH_ELEMENTS		32
502 #define REG_FIFO_DEPTH_DWORDS \
503 	(REG_FIFO_ELEMENT_DWORDS * REG_FIFO_DEPTH_ELEMENTS)
504 
505 #define IGU_FIFO_ELEMENT_DWORDS		4
506 #define IGU_FIFO_DEPTH_ELEMENTS		64
507 #define IGU_FIFO_DEPTH_DWORDS \
508 	(IGU_FIFO_ELEMENT_DWORDS * IGU_FIFO_DEPTH_ELEMENTS)
509 
510 #define PROTECTION_OVERRIDE_ELEMENT_DWORDS	2
511 #define PROTECTION_OVERRIDE_DEPTH_ELEMENTS	20
512 #define PROTECTION_OVERRIDE_DEPTH_DWORDS \
513 	(PROTECTION_OVERRIDE_DEPTH_ELEMENTS * \
514 	 PROTECTION_OVERRIDE_ELEMENT_DWORDS)
515 
516 #define MCP_SPAD_TRACE_OFFSIZE_ADDR \
517 	(MCP_REG_SCRATCH + \
518 	 offsetof(struct static_init, sections[SPAD_SECTION_TRACE]))
519 
520 #define MAX_SW_PLTAFORM_STR_SIZE	64
521 
522 #define EMPTY_FW_VERSION_STR		"???_???_???_???"
523 #define EMPTY_FW_IMAGE_STR		"???????????????"
524 
525 /***************************** Constant Arrays *******************************/
526 
527 /* DBG block framing mode definitions, in descending preference order */
528 static struct framing_mode_defs s_framing_mode_defs[4] = {
529 	{DBG_BUS_FRAME_MODE_4ST, 0x0, 0xf,
530 	 DBG_BUS_SEMI_FRAME_MODE_4FAST,
531 	 10},
532 	{DBG_BUS_FRAME_MODE_4HW, 0xf, 0x0, DBG_BUS_SEMI_FRAME_MODE_4SLOW,
533 	 10},
534 	{DBG_BUS_FRAME_MODE_2ST_2HW, 0x3, 0xc,
535 	 DBG_BUS_SEMI_FRAME_MODE_2FAST_2SLOW, 10},
536 	{DBG_BUS_FRAME_MODE_1ST_3HW, 0x7, 0x8,
537 	 DBG_BUS_SEMI_FRAME_MODE_1FAST_3SLOW, 10}
538 };
539 
540 /* Chip constant definitions array */
541 static struct chip_defs s_chip_defs[MAX_CHIP_IDS] = {
542 	{"bb", 4, DBG_BUS_NUM_FRAME_MODES, PSWRQ2_REG_ILT_MEMORY_SIZE_BB / 2,
543 	 s_framing_mode_defs},
544 	{"ah", 4, DBG_BUS_NUM_FRAME_MODES, PSWRQ2_REG_ILT_MEMORY_SIZE_K2 / 2,
545 	 s_framing_mode_defs}
546 };
547 
548 /* Storm constant definitions array */
549 static struct storm_defs s_storm_defs[] = {
550 	/* Tstorm */
551 	{'T', BLOCK_TSEM,
552 		{DBG_BUS_CLIENT_RBCT, DBG_BUS_CLIENT_RBCT},
553 		true,
554 		TSEM_REG_FAST_MEMORY,
555 		TSEM_REG_DBG_FRAME_MODE, TSEM_REG_SLOW_DBG_ACTIVE,
556 		TSEM_REG_SLOW_DBG_MODE, TSEM_REG_DBG_MODE1_CFG,
557 		TSEM_REG_SYNC_DBG_EMPTY, TSEM_REG_DBG_GPRE_VECT,
558 		TCM_REG_CTX_RBC_ACCS,
559 		{TCM_REG_AGG_CON_CTX, TCM_REG_SM_CON_CTX, TCM_REG_AGG_TASK_CTX,
560 		 TCM_REG_SM_TASK_CTX},
561 		{{4, 16, 2, 4}, {4, 16, 2, 4}} /* {bb} {k2} */
562 	},
563 
564 	/* Mstorm */
565 	{'M', BLOCK_MSEM,
566 		{DBG_BUS_CLIENT_RBCT, DBG_BUS_CLIENT_RBCM},
567 		false,
568 		MSEM_REG_FAST_MEMORY,
569 		MSEM_REG_DBG_FRAME_MODE,
570 		MSEM_REG_SLOW_DBG_ACTIVE,
571 		MSEM_REG_SLOW_DBG_MODE,
572 		MSEM_REG_DBG_MODE1_CFG,
573 		MSEM_REG_SYNC_DBG_EMPTY,
574 		MSEM_REG_DBG_GPRE_VECT,
575 		MCM_REG_CTX_RBC_ACCS,
576 		{MCM_REG_AGG_CON_CTX, MCM_REG_SM_CON_CTX, MCM_REG_AGG_TASK_CTX,
577 		 MCM_REG_SM_TASK_CTX },
578 		{{1, 10, 2, 7}, {1, 10, 2, 7}} /* {bb} {k2}*/
579 	},
580 
581 	/* Ustorm */
582 	{'U', BLOCK_USEM,
583 		{DBG_BUS_CLIENT_RBCU, DBG_BUS_CLIENT_RBCU},
584 		false,
585 		USEM_REG_FAST_MEMORY,
586 		USEM_REG_DBG_FRAME_MODE,
587 		USEM_REG_SLOW_DBG_ACTIVE,
588 		USEM_REG_SLOW_DBG_MODE,
589 		USEM_REG_DBG_MODE1_CFG,
590 		USEM_REG_SYNC_DBG_EMPTY,
591 		USEM_REG_DBG_GPRE_VECT,
592 		UCM_REG_CTX_RBC_ACCS,
593 		{UCM_REG_AGG_CON_CTX, UCM_REG_SM_CON_CTX, UCM_REG_AGG_TASK_CTX,
594 		 UCM_REG_SM_TASK_CTX},
595 		{{2, 13, 3, 3}, {2, 13, 3, 3}} /* {bb} {k2} */
596 	},
597 
598 	/* Xstorm */
599 	{'X', BLOCK_XSEM,
600 		{DBG_BUS_CLIENT_RBCX, DBG_BUS_CLIENT_RBCX},
601 		false,
602 		XSEM_REG_FAST_MEMORY,
603 		XSEM_REG_DBG_FRAME_MODE,
604 		XSEM_REG_SLOW_DBG_ACTIVE,
605 		XSEM_REG_SLOW_DBG_MODE,
606 		XSEM_REG_DBG_MODE1_CFG,
607 		XSEM_REG_SYNC_DBG_EMPTY,
608 		XSEM_REG_DBG_GPRE_VECT,
609 		XCM_REG_CTX_RBC_ACCS,
610 		{XCM_REG_AGG_CON_CTX, XCM_REG_SM_CON_CTX, 0, 0},
611 		{{9, 15, 0, 0}, {9, 15,	0, 0}} /* {bb} {k2} */
612 	},
613 
614 	/* Ystorm */
615 	{'Y', BLOCK_YSEM,
616 		{DBG_BUS_CLIENT_RBCX, DBG_BUS_CLIENT_RBCY},
617 		false,
618 		YSEM_REG_FAST_MEMORY,
619 		YSEM_REG_DBG_FRAME_MODE,
620 		YSEM_REG_SLOW_DBG_ACTIVE,
621 		YSEM_REG_SLOW_DBG_MODE,
622 		YSEM_REG_DBG_MODE1_CFG,
623 		YSEM_REG_SYNC_DBG_EMPTY,
624 		YSEM_REG_DBG_GPRE_VECT,
625 		YCM_REG_CTX_RBC_ACCS,
626 		{YCM_REG_AGG_CON_CTX, YCM_REG_SM_CON_CTX, YCM_REG_AGG_TASK_CTX,
627 		 YCM_REG_SM_TASK_CTX},
628 		{{2, 3, 2, 12}, {2, 3, 2, 12}} /* {bb} {k2} */
629 	},
630 
631 	/* Pstorm */
632 	{'P', BLOCK_PSEM,
633 		{DBG_BUS_CLIENT_RBCS, DBG_BUS_CLIENT_RBCS},
634 		true,
635 		PSEM_REG_FAST_MEMORY,
636 		PSEM_REG_DBG_FRAME_MODE,
637 		PSEM_REG_SLOW_DBG_ACTIVE,
638 		PSEM_REG_SLOW_DBG_MODE,
639 		PSEM_REG_DBG_MODE1_CFG,
640 		PSEM_REG_SYNC_DBG_EMPTY,
641 		PSEM_REG_DBG_GPRE_VECT,
642 		PCM_REG_CTX_RBC_ACCS,
643 		{0, PCM_REG_SM_CON_CTX, 0, 0},
644 		{{0, 10, 0, 0}, {0, 10, 0, 0}} /* {bb} {k2} */
645 	},
646 };
647 
648 static struct hw_type_defs s_hw_type_defs[] = {
649 	/* HW_TYPE_ASIC */
650 	{"asic", 1, 256, 32768},
651 	{"reserved", 0, 0, 0},
652 	{"reserved2", 0, 0, 0},
653 	{"reserved3", 0, 0, 0},
654 	{"reserved4", 0, 0, 0}
655 };
656 
657 static struct grc_param_defs s_grc_param_defs[] = {
658 	/* DBG_GRC_PARAM_DUMP_TSTORM */
659 	{{1, 1}, 0, 1, false, false, 1, {1, 1}},
660 
661 	/* DBG_GRC_PARAM_DUMP_MSTORM */
662 	{{1, 1}, 0, 1, false, false, 1, {1, 1}},
663 
664 	/* DBG_GRC_PARAM_DUMP_USTORM */
665 	{{1, 1}, 0, 1, false, false, 1, {1, 1}},
666 
667 	/* DBG_GRC_PARAM_DUMP_XSTORM */
668 	{{1, 1}, 0, 1, false, false, 1, {1, 1}},
669 
670 	/* DBG_GRC_PARAM_DUMP_YSTORM */
671 	{{1, 1}, 0, 1, false, false, 1, {1, 1}},
672 
673 	/* DBG_GRC_PARAM_DUMP_PSTORM */
674 	{{1, 1}, 0, 1, false, false, 1, {1, 1}},
675 
676 	/* DBG_GRC_PARAM_DUMP_REGS */
677 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
678 
679 	/* DBG_GRC_PARAM_DUMP_RAM */
680 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
681 
682 	/* DBG_GRC_PARAM_DUMP_PBUF */
683 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
684 
685 	/* DBG_GRC_PARAM_DUMP_IOR */
686 	{{0, 0}, 0, 1, false, false, 0, {1, 1}},
687 
688 	/* DBG_GRC_PARAM_DUMP_VFC */
689 	{{0, 0}, 0, 1, false, false, 0, {1, 1}},
690 
691 	/* DBG_GRC_PARAM_DUMP_CM_CTX */
692 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
693 
694 	/* DBG_GRC_PARAM_DUMP_ILT */
695 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
696 
697 	/* DBG_GRC_PARAM_DUMP_RSS */
698 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
699 
700 	/* DBG_GRC_PARAM_DUMP_CAU */
701 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
702 
703 	/* DBG_GRC_PARAM_DUMP_QM */
704 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
705 
706 	/* DBG_GRC_PARAM_DUMP_MCP */
707 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
708 
709 	/* DBG_GRC_PARAM_DUMP_DORQ */
710 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
711 
712 	/* DBG_GRC_PARAM_DUMP_CFC */
713 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
714 
715 	/* DBG_GRC_PARAM_DUMP_IGU */
716 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
717 
718 	/* DBG_GRC_PARAM_DUMP_BRB */
719 	{{0, 0}, 0, 1, false, false, 0, {1, 1}},
720 
721 	/* DBG_GRC_PARAM_DUMP_BTB */
722 	{{0, 0}, 0, 1, false, false, 0, {1, 1}},
723 
724 	/* DBG_GRC_PARAM_DUMP_BMB */
725 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
726 
727 	/* DBG_GRC_PARAM_RESERVED1 */
728 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
729 
730 	/* DBG_GRC_PARAM_DUMP_MULD */
731 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
732 
733 	/* DBG_GRC_PARAM_DUMP_PRS */
734 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
735 
736 	/* DBG_GRC_PARAM_DUMP_DMAE */
737 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
738 
739 	/* DBG_GRC_PARAM_DUMP_TM */
740 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
741 
742 	/* DBG_GRC_PARAM_DUMP_SDM */
743 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
744 
745 	/* DBG_GRC_PARAM_DUMP_DIF */
746 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
747 
748 	/* DBG_GRC_PARAM_DUMP_STATIC */
749 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
750 
751 	/* DBG_GRC_PARAM_UNSTALL */
752 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
753 
754 	/* DBG_GRC_PARAM_RESERVED2 */
755 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
756 
757 	/* DBG_GRC_PARAM_MCP_TRACE_META_SIZE */
758 	{{0, 0}, 1, 0xffffffff, false, true, 0, {0, 0}},
759 
760 	/* DBG_GRC_PARAM_EXCLUDE_ALL */
761 	{{0, 0}, 0, 1, true, false, 0, {0, 0}},
762 
763 	/* DBG_GRC_PARAM_CRASH */
764 	{{0, 0}, 0, 1, true, false, 0, {0, 0}},
765 
766 	/* DBG_GRC_PARAM_PARITY_SAFE */
767 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
768 
769 	/* DBG_GRC_PARAM_DUMP_CM */
770 	{{1, 1}, 0, 1, false, false, 0, {1, 1}},
771 
772 	/* DBG_GRC_PARAM_DUMP_PHY */
773 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
774 
775 	/* DBG_GRC_PARAM_NO_MCP */
776 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
777 
778 	/* DBG_GRC_PARAM_NO_FW_VER */
779 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
780 
781 	/* DBG_GRC_PARAM_RESERVED3 */
782 	{{0, 0}, 0, 1, false, false, 0, {0, 0}},
783 
784 	/* DBG_GRC_PARAM_DUMP_MCP_HW_DUMP */
785 	{{0, 1}, 0, 1, false, false, 0, {0, 1}},
786 
787 	/* DBG_GRC_PARAM_DUMP_ILT_CDUC */
788 	{{1, 1}, 0, 1, false, false, 0, {0, 0}},
789 
790 	/* DBG_GRC_PARAM_DUMP_ILT_CDUT */
791 	{{1, 1}, 0, 1, false, false, 0, {0, 0}},
792 
793 	/* DBG_GRC_PARAM_DUMP_CAU_EXT */
794 	{{0, 0}, 0, 1, false, false, 0, {1, 1}}
795 };
796 
797 static struct rss_mem_defs s_rss_mem_defs[] = {
798 	{"rss_mem_cid", "rss_cid", 0, 32,
799 	 {256, 320}},
800 
801 	{"rss_mem_key_msb", "rss_key", 1024, 256,
802 	 {128, 208}},
803 
804 	{"rss_mem_key_lsb", "rss_key", 2048, 64,
805 	 {128, 208}},
806 
807 	{"rss_mem_info", "rss_info", 3072, 16,
808 	 {128, 208}},
809 
810 	{"rss_mem_ind", "rss_ind", 4096, 16,
811 	 {16384, 26624}}
812 };
813 
814 static struct vfc_ram_defs s_vfc_ram_defs[] = {
815 	{"vfc_ram_tt1", "vfc_ram", 0, 512},
816 	{"vfc_ram_mtt2", "vfc_ram", 512, 128},
817 	{"vfc_ram_stt2", "vfc_ram", 640, 32},
818 	{"vfc_ram_ro_vect", "vfc_ram", 672, 32}
819 };
820 
821 static struct big_ram_defs s_big_ram_defs[] = {
822 	{"BRB", MEM_GROUP_BRB_MEM, MEM_GROUP_BRB_RAM, DBG_GRC_PARAM_DUMP_BRB,
823 	 BRB_REG_BIG_RAM_ADDRESS, BRB_REG_BIG_RAM_DATA,
824 	 MISC_REG_BLOCK_256B_EN, {0, 0},
825 	 {153600, 180224}},
826 
827 	{"BTB", MEM_GROUP_BTB_MEM, MEM_GROUP_BTB_RAM, DBG_GRC_PARAM_DUMP_BTB,
828 	 BTB_REG_BIG_RAM_ADDRESS, BTB_REG_BIG_RAM_DATA,
829 	 MISC_REG_BLOCK_256B_EN, {0, 1},
830 	 {92160, 117760}},
831 
832 	{"BMB", MEM_GROUP_BMB_MEM, MEM_GROUP_BMB_RAM, DBG_GRC_PARAM_DUMP_BMB,
833 	 BMB_REG_BIG_RAM_ADDRESS, BMB_REG_BIG_RAM_DATA,
834 	 MISCS_REG_BLOCK_256B_EN, {0, 0},
835 	 {36864, 36864}}
836 };
837 
838 static struct rbc_reset_defs s_rbc_reset_defs[] = {
839 	{MISCS_REG_RESET_PL_HV,
840 	 {0x0, 0x400}},
841 	{MISC_REG_RESET_PL_PDA_VMAIN_1,
842 	 {0x4404040, 0x4404040}},
843 	{MISC_REG_RESET_PL_PDA_VMAIN_2,
844 	 {0x7, 0x7c00007}},
845 	{MISC_REG_RESET_PL_PDA_VAUX,
846 	 {0x2, 0x2}},
847 };
848 
849 static struct phy_defs s_phy_defs[] = {
850 	{"nw_phy", NWS_REG_NWS_CMU_K2,
851 	 PHY_NW_IP_REG_PHY0_TOP_TBUS_ADDR_7_0_K2,
852 	 PHY_NW_IP_REG_PHY0_TOP_TBUS_ADDR_15_8_K2,
853 	 PHY_NW_IP_REG_PHY0_TOP_TBUS_DATA_7_0_K2,
854 	 PHY_NW_IP_REG_PHY0_TOP_TBUS_DATA_11_8_K2},
855 	{"sgmii_phy", MS_REG_MS_CMU_K2,
856 	 PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X132_K2,
857 	 PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X133_K2,
858 	 PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X130_K2,
859 	 PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X131_K2},
860 	{"pcie_phy0", PHY_PCIE_REG_PHY0_K2,
861 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X132_K2,
862 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X133_K2,
863 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X130_K2,
864 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X131_K2},
865 	{"pcie_phy1", PHY_PCIE_REG_PHY1_K2,
866 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X132_K2,
867 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X133_K2,
868 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X130_K2,
869 	 PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X131_K2},
870 };
871 
872 static struct split_type_defs s_split_type_defs[] = {
873 	/* SPLIT_TYPE_NONE */
874 	{"eng"},
875 
876 	/* SPLIT_TYPE_PORT */
877 	{"port"},
878 
879 	/* SPLIT_TYPE_PF */
880 	{"pf"},
881 
882 	/* SPLIT_TYPE_PORT_PF */
883 	{"port"},
884 
885 	/* SPLIT_TYPE_VF */
886 	{"vf"}
887 };
888 
889 /******************************** Variables **********************************/
890 
891 /* The version of the calling app */
892 static u32 s_app_ver;
893 
894 /**************************** Private Functions ******************************/
895 
qed_static_asserts(void)896 static void qed_static_asserts(void)
897 {
898 }
899 
900 /* Reads and returns a single dword from the specified unaligned buffer */
qed_read_unaligned_dword(u8 * buf)901 static u32 qed_read_unaligned_dword(u8 *buf)
902 {
903 	u32 dword;
904 
905 	memcpy((u8 *)&dword, buf, sizeof(dword));
906 	return dword;
907 }
908 
909 /* Sets the value of the specified GRC param */
qed_grc_set_param(struct qed_hwfn * p_hwfn,enum dbg_grc_params grc_param,u32 val)910 static void qed_grc_set_param(struct qed_hwfn *p_hwfn,
911 			      enum dbg_grc_params grc_param, u32 val)
912 {
913 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
914 
915 	dev_data->grc.param_val[grc_param] = val;
916 }
917 
918 /* Returns the value of the specified GRC param */
qed_grc_get_param(struct qed_hwfn * p_hwfn,enum dbg_grc_params grc_param)919 static u32 qed_grc_get_param(struct qed_hwfn *p_hwfn,
920 			     enum dbg_grc_params grc_param)
921 {
922 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
923 
924 	return dev_data->grc.param_val[grc_param];
925 }
926 
927 /* Initializes the GRC parameters */
qed_dbg_grc_init_params(struct qed_hwfn * p_hwfn)928 static void qed_dbg_grc_init_params(struct qed_hwfn *p_hwfn)
929 {
930 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
931 
932 	if (!dev_data->grc.params_initialized) {
933 		qed_dbg_grc_set_params_default(p_hwfn);
934 		dev_data->grc.params_initialized = 1;
935 	}
936 }
937 
938 /* Sets pointer and size for the specified binary buffer type */
qed_set_dbg_bin_buf(struct qed_hwfn * p_hwfn,enum bin_dbg_buffer_type buf_type,const u32 * ptr,u32 size)939 static void qed_set_dbg_bin_buf(struct qed_hwfn *p_hwfn,
940 				enum bin_dbg_buffer_type buf_type,
941 				const u32 *ptr, u32 size)
942 {
943 	struct virt_mem_desc *buf = &p_hwfn->dbg_arrays[buf_type];
944 
945 	buf->ptr = (void *)ptr;
946 	buf->size = size;
947 }
948 
949 /* Initializes debug data for the specified device */
qed_dbg_dev_init(struct qed_hwfn * p_hwfn)950 static enum dbg_status qed_dbg_dev_init(struct qed_hwfn *p_hwfn)
951 {
952 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
953 	u8 num_pfs = 0, max_pfs_per_port = 0;
954 
955 	if (dev_data->initialized)
956 		return DBG_STATUS_OK;
957 
958 	if (!s_app_ver)
959 		return DBG_STATUS_APP_VERSION_NOT_SET;
960 
961 	/* Set chip */
962 	if (QED_IS_K2(p_hwfn->cdev)) {
963 		dev_data->chip_id = CHIP_K2;
964 		dev_data->mode_enable[MODE_K2] = 1;
965 		dev_data->num_vfs = MAX_NUM_VFS_K2;
966 		num_pfs = MAX_NUM_PFS_K2;
967 		max_pfs_per_port = MAX_NUM_PFS_K2 / 2;
968 	} else if (QED_IS_BB_B0(p_hwfn->cdev)) {
969 		dev_data->chip_id = CHIP_BB;
970 		dev_data->mode_enable[MODE_BB] = 1;
971 		dev_data->num_vfs = MAX_NUM_VFS_BB;
972 		num_pfs = MAX_NUM_PFS_BB;
973 		max_pfs_per_port = MAX_NUM_PFS_BB;
974 	} else {
975 		return DBG_STATUS_UNKNOWN_CHIP;
976 	}
977 
978 	/* Set HW type */
979 	dev_data->hw_type = HW_TYPE_ASIC;
980 	dev_data->mode_enable[MODE_ASIC] = 1;
981 
982 	/* Set port mode */
983 	switch (p_hwfn->cdev->num_ports_in_engine) {
984 	case 1:
985 		dev_data->mode_enable[MODE_PORTS_PER_ENG_1] = 1;
986 		break;
987 	case 2:
988 		dev_data->mode_enable[MODE_PORTS_PER_ENG_2] = 1;
989 		break;
990 	case 4:
991 		dev_data->mode_enable[MODE_PORTS_PER_ENG_4] = 1;
992 		break;
993 	}
994 
995 	/* Set 100G mode */
996 	if (QED_IS_CMT(p_hwfn->cdev))
997 		dev_data->mode_enable[MODE_100G] = 1;
998 
999 	/* Set number of ports */
1000 	if (dev_data->mode_enable[MODE_PORTS_PER_ENG_1] ||
1001 	    dev_data->mode_enable[MODE_100G])
1002 		dev_data->num_ports = 1;
1003 	else if (dev_data->mode_enable[MODE_PORTS_PER_ENG_2])
1004 		dev_data->num_ports = 2;
1005 	else if (dev_data->mode_enable[MODE_PORTS_PER_ENG_4])
1006 		dev_data->num_ports = 4;
1007 
1008 	/* Set number of PFs per port */
1009 	dev_data->num_pfs_per_port = min_t(u32,
1010 					   num_pfs / dev_data->num_ports,
1011 					   max_pfs_per_port);
1012 
1013 	/* Initializes the GRC parameters */
1014 	qed_dbg_grc_init_params(p_hwfn);
1015 
1016 	dev_data->use_dmae = true;
1017 	dev_data->initialized = 1;
1018 
1019 	return DBG_STATUS_OK;
1020 }
1021 
get_dbg_block(struct qed_hwfn * p_hwfn,enum block_id block_id)1022 static const struct dbg_block *get_dbg_block(struct qed_hwfn *p_hwfn,
1023 					     enum block_id block_id)
1024 {
1025 	const struct dbg_block *dbg_block;
1026 
1027 	dbg_block = p_hwfn->dbg_arrays[BIN_BUF_DBG_BLOCKS].ptr;
1028 	return dbg_block + block_id;
1029 }
1030 
qed_get_dbg_block_per_chip(struct qed_hwfn * p_hwfn,enum block_id block_id)1031 static const struct dbg_block_chip *qed_get_dbg_block_per_chip(struct qed_hwfn
1032 							       *p_hwfn,
1033 							       enum block_id
1034 							       block_id)
1035 {
1036 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1037 
1038 	return (const struct dbg_block_chip *)
1039 	    p_hwfn->dbg_arrays[BIN_BUF_DBG_BLOCKS_CHIP_DATA].ptr +
1040 	    block_id * MAX_CHIP_IDS + dev_data->chip_id;
1041 }
1042 
qed_get_dbg_reset_reg(struct qed_hwfn * p_hwfn,u8 reset_reg_id)1043 static const struct dbg_reset_reg *qed_get_dbg_reset_reg(struct qed_hwfn
1044 							 *p_hwfn,
1045 							 u8 reset_reg_id)
1046 {
1047 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1048 
1049 	return (const struct dbg_reset_reg *)
1050 	    p_hwfn->dbg_arrays[BIN_BUF_DBG_RESET_REGS].ptr +
1051 	    reset_reg_id * MAX_CHIP_IDS + dev_data->chip_id;
1052 }
1053 
1054 /* Reads the FW info structure for the specified Storm from the chip,
1055  * and writes it to the specified fw_info pointer.
1056  */
qed_read_storm_fw_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 storm_id,struct fw_info * fw_info)1057 static void qed_read_storm_fw_info(struct qed_hwfn *p_hwfn,
1058 				   struct qed_ptt *p_ptt,
1059 				   u8 storm_id, struct fw_info *fw_info)
1060 {
1061 	struct storm_defs *storm = &s_storm_defs[storm_id];
1062 	struct fw_info_location fw_info_location;
1063 	u32 addr, i, size, *dest;
1064 
1065 	memset(&fw_info_location, 0, sizeof(fw_info_location));
1066 	memset(fw_info, 0, sizeof(*fw_info));
1067 
1068 	/* Read first the address that points to fw_info location.
1069 	 * The address is located in the last line of the Storm RAM.
1070 	 */
1071 	addr = storm->sem_fast_mem_addr + SEM_FAST_REG_INT_RAM +
1072 	    DWORDS_TO_BYTES(SEM_FAST_REG_INT_RAM_SIZE) -
1073 	    sizeof(fw_info_location);
1074 
1075 	dest = (u32 *)&fw_info_location;
1076 	size = BYTES_TO_DWORDS(sizeof(fw_info_location));
1077 
1078 	for (i = 0; i < size; i++, addr += BYTES_IN_DWORD)
1079 		dest[i] = qed_rd(p_hwfn, p_ptt, addr);
1080 
1081 	/* Read FW version info from Storm RAM */
1082 	size = le32_to_cpu(fw_info_location.size);
1083 	if (!size || size > sizeof(*fw_info))
1084 		return;
1085 
1086 	addr = le32_to_cpu(fw_info_location.grc_addr);
1087 	dest = (u32 *)fw_info;
1088 	size = BYTES_TO_DWORDS(size);
1089 
1090 	for (i = 0; i < size; i++, addr += BYTES_IN_DWORD)
1091 		dest[i] = qed_rd(p_hwfn, p_ptt, addr);
1092 }
1093 
1094 /* Dumps the specified string to the specified buffer.
1095  * Returns the dumped size in bytes.
1096  */
qed_dump_str(char * dump_buf,bool dump,const char * str)1097 static u32 qed_dump_str(char *dump_buf, bool dump, const char *str)
1098 {
1099 	if (dump)
1100 		strcpy(dump_buf, str);
1101 
1102 	return (u32)strlen(str) + 1;
1103 }
1104 
1105 /* Dumps zeros to align the specified buffer to dwords.
1106  * Returns the dumped size in bytes.
1107  */
qed_dump_align(char * dump_buf,bool dump,u32 byte_offset)1108 static u32 qed_dump_align(char *dump_buf, bool dump, u32 byte_offset)
1109 {
1110 	u8 offset_in_dword, align_size;
1111 
1112 	offset_in_dword = (u8)(byte_offset & 0x3);
1113 	align_size = offset_in_dword ? BYTES_IN_DWORD - offset_in_dword : 0;
1114 
1115 	if (dump && align_size)
1116 		memset(dump_buf, 0, align_size);
1117 
1118 	return align_size;
1119 }
1120 
1121 /* Writes the specified string param to the specified buffer.
1122  * Returns the dumped size in dwords.
1123  */
qed_dump_str_param(u32 * dump_buf,bool dump,const char * param_name,const char * param_val)1124 static u32 qed_dump_str_param(u32 *dump_buf,
1125 			      bool dump,
1126 			      const char *param_name, const char *param_val)
1127 {
1128 	char *char_buf = (char *)dump_buf;
1129 	u32 offset = 0;
1130 
1131 	/* Dump param name */
1132 	offset += qed_dump_str(char_buf + offset, dump, param_name);
1133 
1134 	/* Indicate a string param value */
1135 	if (dump)
1136 		*(char_buf + offset) = 1;
1137 	offset++;
1138 
1139 	/* Dump param value */
1140 	offset += qed_dump_str(char_buf + offset, dump, param_val);
1141 
1142 	/* Align buffer to next dword */
1143 	offset += qed_dump_align(char_buf + offset, dump, offset);
1144 
1145 	return BYTES_TO_DWORDS(offset);
1146 }
1147 
1148 /* Writes the specified numeric param to the specified buffer.
1149  * Returns the dumped size in dwords.
1150  */
qed_dump_num_param(u32 * dump_buf,bool dump,const char * param_name,u32 param_val)1151 static u32 qed_dump_num_param(u32 *dump_buf,
1152 			      bool dump, const char *param_name, u32 param_val)
1153 {
1154 	char *char_buf = (char *)dump_buf;
1155 	u32 offset = 0;
1156 
1157 	/* Dump param name */
1158 	offset += qed_dump_str(char_buf + offset, dump, param_name);
1159 
1160 	/* Indicate a numeric param value */
1161 	if (dump)
1162 		*(char_buf + offset) = 0;
1163 	offset++;
1164 
1165 	/* Align buffer to next dword */
1166 	offset += qed_dump_align(char_buf + offset, dump, offset);
1167 
1168 	/* Dump param value (and change offset from bytes to dwords) */
1169 	offset = BYTES_TO_DWORDS(offset);
1170 	if (dump)
1171 		*(dump_buf + offset) = param_val;
1172 	offset++;
1173 
1174 	return offset;
1175 }
1176 
1177 /* Reads the FW version and writes it as a param to the specified buffer.
1178  * Returns the dumped size in dwords.
1179  */
qed_dump_fw_ver_param(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)1180 static u32 qed_dump_fw_ver_param(struct qed_hwfn *p_hwfn,
1181 				 struct qed_ptt *p_ptt,
1182 				 u32 *dump_buf, bool dump)
1183 {
1184 	char fw_ver_str[16] = EMPTY_FW_VERSION_STR;
1185 	char fw_img_str[16] = EMPTY_FW_IMAGE_STR;
1186 	struct fw_info fw_info = { {0}, {0} };
1187 	u32 offset = 0;
1188 
1189 	if (dump && !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_FW_VER)) {
1190 		/* Read FW info from chip */
1191 		qed_read_fw_info(p_hwfn, p_ptt, &fw_info);
1192 
1193 		/* Create FW version/image strings */
1194 		if (snprintf(fw_ver_str, sizeof(fw_ver_str),
1195 			     "%d_%d_%d_%d", fw_info.ver.num.major,
1196 			     fw_info.ver.num.minor, fw_info.ver.num.rev,
1197 			     fw_info.ver.num.eng) < 0)
1198 			DP_NOTICE(p_hwfn,
1199 				  "Unexpected debug error: invalid FW version string\n");
1200 		switch (fw_info.ver.image_id) {
1201 		case FW_IMG_KUKU:
1202 			strcpy(fw_img_str, "kuku");
1203 			break;
1204 		case FW_IMG_MAIN:
1205 			strcpy(fw_img_str, "main");
1206 			break;
1207 		case FW_IMG_L2B:
1208 			strcpy(fw_img_str, "l2b");
1209 			break;
1210 		default:
1211 			strcpy(fw_img_str, "unknown");
1212 			break;
1213 		}
1214 	}
1215 
1216 	/* Dump FW version, image and timestamp */
1217 	offset += qed_dump_str_param(dump_buf + offset,
1218 				     dump, "fw-version", fw_ver_str);
1219 	offset += qed_dump_str_param(dump_buf + offset,
1220 				     dump, "fw-image", fw_img_str);
1221 	offset += qed_dump_num_param(dump_buf + offset, dump, "fw-timestamp",
1222 				     le32_to_cpu(fw_info.ver.timestamp));
1223 
1224 	return offset;
1225 }
1226 
1227 /* Reads the MFW version and writes it as a param to the specified buffer.
1228  * Returns the dumped size in dwords.
1229  */
qed_dump_mfw_ver_param(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)1230 static u32 qed_dump_mfw_ver_param(struct qed_hwfn *p_hwfn,
1231 				  struct qed_ptt *p_ptt,
1232 				  u32 *dump_buf, bool dump)
1233 {
1234 	char mfw_ver_str[16] = EMPTY_FW_VERSION_STR;
1235 
1236 	if (dump &&
1237 	    !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_FW_VER)) {
1238 		u32 global_section_offsize, global_section_addr, mfw_ver;
1239 		u32 public_data_addr, global_section_offsize_addr;
1240 
1241 		/* Find MCP public data GRC address. Needs to be ORed with
1242 		 * MCP_REG_SCRATCH due to a HW bug.
1243 		 */
1244 		public_data_addr = qed_rd(p_hwfn,
1245 					  p_ptt,
1246 					  MISC_REG_SHARED_MEM_ADDR) |
1247 				   MCP_REG_SCRATCH;
1248 
1249 		/* Find MCP public global section offset */
1250 		global_section_offsize_addr = public_data_addr +
1251 					      offsetof(struct mcp_public_data,
1252 						       sections) +
1253 					      sizeof(offsize_t) * PUBLIC_GLOBAL;
1254 		global_section_offsize = qed_rd(p_hwfn, p_ptt,
1255 						global_section_offsize_addr);
1256 		global_section_addr =
1257 			MCP_REG_SCRATCH +
1258 			(global_section_offsize & OFFSIZE_OFFSET_MASK) * 4;
1259 
1260 		/* Read MFW version from MCP public global section */
1261 		mfw_ver = qed_rd(p_hwfn, p_ptt,
1262 				 global_section_addr +
1263 				 offsetof(struct public_global, mfw_ver));
1264 
1265 		/* Dump MFW version param */
1266 		if (snprintf(mfw_ver_str, sizeof(mfw_ver_str), "%d_%d_%d_%d",
1267 			     (u8)(mfw_ver >> 24), (u8)(mfw_ver >> 16),
1268 			     (u8)(mfw_ver >> 8), (u8)mfw_ver) < 0)
1269 			DP_NOTICE(p_hwfn,
1270 				  "Unexpected debug error: invalid MFW version string\n");
1271 	}
1272 
1273 	return qed_dump_str_param(dump_buf, dump, "mfw-version", mfw_ver_str);
1274 }
1275 
1276 /* Reads the chip revision from the chip and writes it as a param to the
1277  * specified buffer. Returns the dumped size in dwords.
1278  */
qed_dump_chip_revision_param(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)1279 static u32 qed_dump_chip_revision_param(struct qed_hwfn *p_hwfn,
1280 					struct qed_ptt *p_ptt,
1281 					u32 *dump_buf, bool dump)
1282 {
1283 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1284 	char param_str[3] = "??";
1285 
1286 	if (dev_data->hw_type == HW_TYPE_ASIC) {
1287 		u32 chip_rev, chip_metal;
1288 
1289 		chip_rev = qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV);
1290 		chip_metal = qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL);
1291 
1292 		param_str[0] = 'a' + (u8)chip_rev;
1293 		param_str[1] = '0' + (u8)chip_metal;
1294 	}
1295 
1296 	return qed_dump_str_param(dump_buf, dump, "chip-revision", param_str);
1297 }
1298 
1299 /* Writes a section header to the specified buffer.
1300  * Returns the dumped size in dwords.
1301  */
qed_dump_section_hdr(u32 * dump_buf,bool dump,const char * name,u32 num_params)1302 static u32 qed_dump_section_hdr(u32 *dump_buf,
1303 				bool dump, const char *name, u32 num_params)
1304 {
1305 	return qed_dump_num_param(dump_buf, dump, name, num_params);
1306 }
1307 
1308 /* Writes the common global params to the specified buffer.
1309  * Returns the dumped size in dwords.
1310  */
qed_dump_common_global_params(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u8 num_specific_global_params)1311 static u32 qed_dump_common_global_params(struct qed_hwfn *p_hwfn,
1312 					 struct qed_ptt *p_ptt,
1313 					 u32 *dump_buf,
1314 					 bool dump,
1315 					 u8 num_specific_global_params)
1316 {
1317 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1318 	u32 offset = 0;
1319 	u8 num_params;
1320 
1321 	/* Dump global params section header */
1322 	num_params = NUM_COMMON_GLOBAL_PARAMS + num_specific_global_params +
1323 		(dev_data->chip_id == CHIP_BB ? 1 : 0);
1324 	offset += qed_dump_section_hdr(dump_buf + offset,
1325 				       dump, "global_params", num_params);
1326 
1327 	/* Store params */
1328 	offset += qed_dump_fw_ver_param(p_hwfn, p_ptt, dump_buf + offset, dump);
1329 	offset += qed_dump_mfw_ver_param(p_hwfn,
1330 					 p_ptt, dump_buf + offset, dump);
1331 	offset += qed_dump_chip_revision_param(p_hwfn,
1332 					       p_ptt, dump_buf + offset, dump);
1333 	offset += qed_dump_num_param(dump_buf + offset,
1334 				     dump, "tools-version", TOOLS_VERSION);
1335 	offset += qed_dump_str_param(dump_buf + offset,
1336 				     dump,
1337 				     "chip",
1338 				     s_chip_defs[dev_data->chip_id].name);
1339 	offset += qed_dump_str_param(dump_buf + offset,
1340 				     dump,
1341 				     "platform",
1342 				     s_hw_type_defs[dev_data->hw_type].name);
1343 	offset += qed_dump_num_param(dump_buf + offset,
1344 				     dump, "pci-func", p_hwfn->abs_pf_id);
1345 	offset += qed_dump_num_param(dump_buf + offset,
1346 				     dump, "epoch", qed_get_epoch_time());
1347 	if (dev_data->chip_id == CHIP_BB)
1348 		offset += qed_dump_num_param(dump_buf + offset,
1349 					     dump, "path", QED_PATH_ID(p_hwfn));
1350 
1351 	return offset;
1352 }
1353 
1354 /* Writes the "last" section (including CRC) to the specified buffer at the
1355  * given offset. Returns the dumped size in dwords.
1356  */
qed_dump_last_section(u32 * dump_buf,u32 offset,bool dump)1357 static u32 qed_dump_last_section(u32 *dump_buf, u32 offset, bool dump)
1358 {
1359 	u32 start_offset = offset;
1360 
1361 	/* Dump CRC section header */
1362 	offset += qed_dump_section_hdr(dump_buf + offset, dump, "last", 0);
1363 
1364 	/* Calculate CRC32 and add it to the dword after the "last" section */
1365 	if (dump)
1366 		*(dump_buf + offset) = ~crc32(0xffffffff,
1367 					      (u8 *)dump_buf,
1368 					      DWORDS_TO_BYTES(offset));
1369 
1370 	offset++;
1371 
1372 	return offset - start_offset;
1373 }
1374 
1375 /* Update blocks reset state  */
qed_update_blocks_reset_state(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1376 static void qed_update_blocks_reset_state(struct qed_hwfn *p_hwfn,
1377 					  struct qed_ptt *p_ptt)
1378 {
1379 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1380 	u32 reg_val[NUM_DBG_RESET_REGS] = { 0 };
1381 	u8 rst_reg_id;
1382 	u32 blk_id;
1383 
1384 	/* Read reset registers */
1385 	for (rst_reg_id = 0; rst_reg_id < NUM_DBG_RESET_REGS; rst_reg_id++) {
1386 		const struct dbg_reset_reg *rst_reg;
1387 		bool rst_reg_removed;
1388 		u32 rst_reg_addr;
1389 
1390 		rst_reg = qed_get_dbg_reset_reg(p_hwfn, rst_reg_id);
1391 		rst_reg_removed = GET_FIELD(rst_reg->data,
1392 					    DBG_RESET_REG_IS_REMOVED);
1393 		rst_reg_addr = DWORDS_TO_BYTES(GET_FIELD(rst_reg->data,
1394 							 DBG_RESET_REG_ADDR));
1395 
1396 		if (!rst_reg_removed)
1397 			reg_val[rst_reg_id] = qed_rd(p_hwfn, p_ptt,
1398 						     rst_reg_addr);
1399 	}
1400 
1401 	/* Check if blocks are in reset */
1402 	for (blk_id = 0; blk_id < NUM_PHYS_BLOCKS; blk_id++) {
1403 		const struct dbg_block_chip *blk;
1404 		bool has_rst_reg;
1405 		bool is_removed;
1406 
1407 		blk = qed_get_dbg_block_per_chip(p_hwfn, (enum block_id)blk_id);
1408 		is_removed = GET_FIELD(blk->flags, DBG_BLOCK_CHIP_IS_REMOVED);
1409 		has_rst_reg = GET_FIELD(blk->flags,
1410 					DBG_BLOCK_CHIP_HAS_RESET_REG);
1411 
1412 		if (!is_removed && has_rst_reg)
1413 			dev_data->block_in_reset[blk_id] =
1414 			    !(reg_val[blk->reset_reg_id] &
1415 			      BIT(blk->reset_reg_bit_offset));
1416 	}
1417 }
1418 
1419 /* is_mode_match recursive function */
qed_is_mode_match_rec(struct qed_hwfn * p_hwfn,u16 * modes_buf_offset,u8 rec_depth)1420 static bool qed_is_mode_match_rec(struct qed_hwfn *p_hwfn,
1421 				  u16 *modes_buf_offset, u8 rec_depth)
1422 {
1423 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1424 	u8 *dbg_array;
1425 	bool arg1, arg2;
1426 	u8 tree_val;
1427 
1428 	if (rec_depth > MAX_RECURSION_DEPTH) {
1429 		DP_NOTICE(p_hwfn,
1430 			  "Unexpected error: is_mode_match_rec exceeded the max recursion depth. This is probably due to a corrupt init/debug buffer.\n");
1431 		return false;
1432 	}
1433 
1434 	/* Get next element from modes tree buffer */
1435 	dbg_array = p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr;
1436 	tree_val = dbg_array[(*modes_buf_offset)++];
1437 
1438 	switch (tree_val) {
1439 	case INIT_MODE_OP_NOT:
1440 		return !qed_is_mode_match_rec(p_hwfn,
1441 					      modes_buf_offset, rec_depth + 1);
1442 	case INIT_MODE_OP_OR:
1443 	case INIT_MODE_OP_AND:
1444 		arg1 = qed_is_mode_match_rec(p_hwfn,
1445 					     modes_buf_offset, rec_depth + 1);
1446 		arg2 = qed_is_mode_match_rec(p_hwfn,
1447 					     modes_buf_offset, rec_depth + 1);
1448 		return (tree_val == INIT_MODE_OP_OR) ? (arg1 ||
1449 							arg2) : (arg1 && arg2);
1450 	default:
1451 		return dev_data->mode_enable[tree_val - MAX_INIT_MODE_OPS] > 0;
1452 	}
1453 }
1454 
1455 /* Returns true if the mode (specified using modes_buf_offset) is enabled */
qed_is_mode_match(struct qed_hwfn * p_hwfn,u16 * modes_buf_offset)1456 static bool qed_is_mode_match(struct qed_hwfn *p_hwfn, u16 *modes_buf_offset)
1457 {
1458 	return qed_is_mode_match_rec(p_hwfn, modes_buf_offset, 0);
1459 }
1460 
1461 /* Enable / disable the Debug block */
qed_bus_enable_dbg_block(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool enable)1462 static void qed_bus_enable_dbg_block(struct qed_hwfn *p_hwfn,
1463 				     struct qed_ptt *p_ptt, bool enable)
1464 {
1465 	qed_wr(p_hwfn, p_ptt, DBG_REG_DBG_BLOCK_ON, enable ? 1 : 0);
1466 }
1467 
1468 /* Resets the Debug block */
qed_bus_reset_dbg_block(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1469 static void qed_bus_reset_dbg_block(struct qed_hwfn *p_hwfn,
1470 				    struct qed_ptt *p_ptt)
1471 {
1472 	u32 reset_reg_addr, old_reset_reg_val, new_reset_reg_val;
1473 	const struct dbg_reset_reg *reset_reg;
1474 	const struct dbg_block_chip *block;
1475 
1476 	block = qed_get_dbg_block_per_chip(p_hwfn, BLOCK_DBG);
1477 	reset_reg = qed_get_dbg_reset_reg(p_hwfn, block->reset_reg_id);
1478 	reset_reg_addr =
1479 	    DWORDS_TO_BYTES(GET_FIELD(reset_reg->data, DBG_RESET_REG_ADDR));
1480 
1481 	old_reset_reg_val = qed_rd(p_hwfn, p_ptt, reset_reg_addr);
1482 	new_reset_reg_val =
1483 	    old_reset_reg_val & ~BIT(block->reset_reg_bit_offset);
1484 
1485 	qed_wr(p_hwfn, p_ptt, reset_reg_addr, new_reset_reg_val);
1486 	qed_wr(p_hwfn, p_ptt, reset_reg_addr, old_reset_reg_val);
1487 }
1488 
1489 /* Enable / disable Debug Bus clients according to the specified mask
1490  * (1 = enable, 0 = disable).
1491  */
qed_bus_enable_clients(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 client_mask)1492 static void qed_bus_enable_clients(struct qed_hwfn *p_hwfn,
1493 				   struct qed_ptt *p_ptt, u32 client_mask)
1494 {
1495 	qed_wr(p_hwfn, p_ptt, DBG_REG_CLIENT_ENABLE, client_mask);
1496 }
1497 
qed_bus_config_dbg_line(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum block_id block_id,u8 line_id,u8 enable_mask,u8 right_shift,u8 force_valid_mask,u8 force_frame_mask)1498 static void qed_bus_config_dbg_line(struct qed_hwfn *p_hwfn,
1499 				    struct qed_ptt *p_ptt,
1500 				    enum block_id block_id,
1501 				    u8 line_id,
1502 				    u8 enable_mask,
1503 				    u8 right_shift,
1504 				    u8 force_valid_mask, u8 force_frame_mask)
1505 {
1506 	const struct dbg_block_chip *block =
1507 		qed_get_dbg_block_per_chip(p_hwfn, block_id);
1508 
1509 	qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_select_reg_addr),
1510 	       line_id);
1511 	qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_dword_enable_reg_addr),
1512 	       enable_mask);
1513 	qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_shift_reg_addr),
1514 	       right_shift);
1515 	qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_force_valid_reg_addr),
1516 	       force_valid_mask);
1517 	qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_force_frame_reg_addr),
1518 	       force_frame_mask);
1519 }
1520 
1521 /* Disable debug bus in all blocks */
qed_bus_disable_blocks(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1522 static void qed_bus_disable_blocks(struct qed_hwfn *p_hwfn,
1523 				   struct qed_ptt *p_ptt)
1524 {
1525 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1526 	u32 block_id;
1527 
1528 	/* Disable all blocks */
1529 	for (block_id = 0; block_id < MAX_BLOCK_ID; block_id++) {
1530 		const struct dbg_block_chip *block_per_chip =
1531 		    qed_get_dbg_block_per_chip(p_hwfn,
1532 					       (enum block_id)block_id);
1533 
1534 		if (GET_FIELD(block_per_chip->flags,
1535 			      DBG_BLOCK_CHIP_IS_REMOVED) ||
1536 		    dev_data->block_in_reset[block_id])
1537 			continue;
1538 
1539 		/* Disable debug bus */
1540 		if (GET_FIELD(block_per_chip->flags,
1541 			      DBG_BLOCK_CHIP_HAS_DBG_BUS)) {
1542 			u32 dbg_en_addr =
1543 				block_per_chip->dbg_dword_enable_reg_addr;
1544 			u16 modes_buf_offset =
1545 			    GET_FIELD(block_per_chip->dbg_bus_mode.data,
1546 				      DBG_MODE_HDR_MODES_BUF_OFFSET);
1547 			bool eval_mode =
1548 			    GET_FIELD(block_per_chip->dbg_bus_mode.data,
1549 				      DBG_MODE_HDR_EVAL_MODE) > 0;
1550 
1551 			if (!eval_mode ||
1552 			    qed_is_mode_match(p_hwfn, &modes_buf_offset))
1553 				qed_wr(p_hwfn, p_ptt,
1554 				       DWORDS_TO_BYTES(dbg_en_addr),
1555 				       0);
1556 		}
1557 	}
1558 }
1559 
1560 /* Returns true if the specified entity (indicated by GRC param) should be
1561  * included in the dump, false otherwise.
1562  */
qed_grc_is_included(struct qed_hwfn * p_hwfn,enum dbg_grc_params grc_param)1563 static bool qed_grc_is_included(struct qed_hwfn *p_hwfn,
1564 				enum dbg_grc_params grc_param)
1565 {
1566 	return qed_grc_get_param(p_hwfn, grc_param) > 0;
1567 }
1568 
1569 /* Returns the storm_id that matches the specified Storm letter,
1570  * or MAX_DBG_STORMS if invalid storm letter.
1571  */
qed_get_id_from_letter(char storm_letter)1572 static enum dbg_storms qed_get_id_from_letter(char storm_letter)
1573 {
1574 	u8 storm_id;
1575 
1576 	for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++)
1577 		if (s_storm_defs[storm_id].letter == storm_letter)
1578 			return (enum dbg_storms)storm_id;
1579 
1580 	return MAX_DBG_STORMS;
1581 }
1582 
1583 /* Returns true of the specified Storm should be included in the dump, false
1584  * otherwise.
1585  */
qed_grc_is_storm_included(struct qed_hwfn * p_hwfn,enum dbg_storms storm)1586 static bool qed_grc_is_storm_included(struct qed_hwfn *p_hwfn,
1587 				      enum dbg_storms storm)
1588 {
1589 	return qed_grc_get_param(p_hwfn, (enum dbg_grc_params)storm) > 0;
1590 }
1591 
1592 /* Returns true if the specified memory should be included in the dump, false
1593  * otherwise.
1594  */
qed_grc_is_mem_included(struct qed_hwfn * p_hwfn,enum block_id block_id,u8 mem_group_id)1595 static bool qed_grc_is_mem_included(struct qed_hwfn *p_hwfn,
1596 				    enum block_id block_id, u8 mem_group_id)
1597 {
1598 	const struct dbg_block *block;
1599 	u8 i;
1600 
1601 	block = get_dbg_block(p_hwfn, block_id);
1602 
1603 	/* If the block is associated with a Storm, check Storm match */
1604 	if (block->associated_storm_letter) {
1605 		enum dbg_storms associated_storm_id =
1606 		    qed_get_id_from_letter(block->associated_storm_letter);
1607 
1608 		if (associated_storm_id == MAX_DBG_STORMS ||
1609 		    !qed_grc_is_storm_included(p_hwfn, associated_storm_id))
1610 			return false;
1611 	}
1612 
1613 	for (i = 0; i < NUM_BIG_RAM_TYPES; i++) {
1614 		struct big_ram_defs *big_ram = &s_big_ram_defs[i];
1615 
1616 		if (mem_group_id == big_ram->mem_group_id ||
1617 		    mem_group_id == big_ram->ram_mem_group_id)
1618 			return qed_grc_is_included(p_hwfn, big_ram->grc_param);
1619 	}
1620 
1621 	switch (mem_group_id) {
1622 	case MEM_GROUP_PXP_ILT:
1623 	case MEM_GROUP_PXP_MEM:
1624 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_PXP);
1625 	case MEM_GROUP_RAM:
1626 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_RAM);
1627 	case MEM_GROUP_PBUF:
1628 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_PBUF);
1629 	case MEM_GROUP_CAU_MEM:
1630 	case MEM_GROUP_CAU_SB:
1631 	case MEM_GROUP_CAU_PI:
1632 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CAU);
1633 	case MEM_GROUP_CAU_MEM_EXT:
1634 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CAU_EXT);
1635 	case MEM_GROUP_QM_MEM:
1636 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_QM);
1637 	case MEM_GROUP_CFC_MEM:
1638 	case MEM_GROUP_CONN_CFC_MEM:
1639 	case MEM_GROUP_TASK_CFC_MEM:
1640 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CFC) ||
1641 		       qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CM_CTX);
1642 	case MEM_GROUP_DORQ_MEM:
1643 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_DORQ);
1644 	case MEM_GROUP_IGU_MEM:
1645 	case MEM_GROUP_IGU_MSIX:
1646 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_IGU);
1647 	case MEM_GROUP_MULD_MEM:
1648 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_MULD);
1649 	case MEM_GROUP_PRS_MEM:
1650 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_PRS);
1651 	case MEM_GROUP_DMAE_MEM:
1652 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_DMAE);
1653 	case MEM_GROUP_TM_MEM:
1654 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_TM);
1655 	case MEM_GROUP_SDM_MEM:
1656 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_SDM);
1657 	case MEM_GROUP_TDIF_CTX:
1658 	case MEM_GROUP_RDIF_CTX:
1659 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_DIF);
1660 	case MEM_GROUP_CM_MEM:
1661 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CM);
1662 	case MEM_GROUP_IOR:
1663 		return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_IOR);
1664 	default:
1665 		return true;
1666 	}
1667 }
1668 
1669 /* Stalls all Storms */
qed_grc_stall_storms(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool stall)1670 static void qed_grc_stall_storms(struct qed_hwfn *p_hwfn,
1671 				 struct qed_ptt *p_ptt, bool stall)
1672 {
1673 	u32 reg_addr;
1674 	u8 storm_id;
1675 
1676 	for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) {
1677 		if (!qed_grc_is_storm_included(p_hwfn,
1678 					       (enum dbg_storms)storm_id))
1679 			continue;
1680 
1681 		reg_addr = s_storm_defs[storm_id].sem_fast_mem_addr +
1682 		    SEM_FAST_REG_STALL_0;
1683 		qed_wr(p_hwfn, p_ptt, reg_addr, stall ? 1 : 0);
1684 	}
1685 
1686 	msleep(STALL_DELAY_MS);
1687 }
1688 
1689 /* Takes all blocks out of reset. If rbc_only is true, only RBC clients are
1690  * taken out of reset.
1691  */
qed_grc_unreset_blocks(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool rbc_only)1692 static void qed_grc_unreset_blocks(struct qed_hwfn *p_hwfn,
1693 				   struct qed_ptt *p_ptt, bool rbc_only)
1694 {
1695 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1696 	u8 chip_id = dev_data->chip_id;
1697 	u32 i;
1698 
1699 	/* Take RBCs out of reset */
1700 	for (i = 0; i < ARRAY_SIZE(s_rbc_reset_defs); i++)
1701 		if (s_rbc_reset_defs[i].reset_val[dev_data->chip_id])
1702 			qed_wr(p_hwfn,
1703 			       p_ptt,
1704 			       s_rbc_reset_defs[i].reset_reg_addr +
1705 			       RESET_REG_UNRESET_OFFSET,
1706 			       s_rbc_reset_defs[i].reset_val[chip_id]);
1707 
1708 	if (!rbc_only) {
1709 		u32 reg_val[NUM_DBG_RESET_REGS] = { 0 };
1710 		u8 reset_reg_id;
1711 		u32 block_id;
1712 
1713 		/* Fill reset regs values */
1714 		for (block_id = 0; block_id < NUM_PHYS_BLOCKS; block_id++) {
1715 			bool is_removed, has_reset_reg, unreset_before_dump;
1716 			const struct dbg_block_chip *block;
1717 
1718 			block = qed_get_dbg_block_per_chip(p_hwfn,
1719 							   (enum block_id)
1720 							   block_id);
1721 			is_removed =
1722 			    GET_FIELD(block->flags, DBG_BLOCK_CHIP_IS_REMOVED);
1723 			has_reset_reg =
1724 			    GET_FIELD(block->flags,
1725 				      DBG_BLOCK_CHIP_HAS_RESET_REG);
1726 			unreset_before_dump =
1727 			    GET_FIELD(block->flags,
1728 				      DBG_BLOCK_CHIP_UNRESET_BEFORE_DUMP);
1729 
1730 			if (!is_removed && has_reset_reg && unreset_before_dump)
1731 				reg_val[block->reset_reg_id] |=
1732 				    BIT(block->reset_reg_bit_offset);
1733 		}
1734 
1735 		/* Write reset registers */
1736 		for (reset_reg_id = 0; reset_reg_id < NUM_DBG_RESET_REGS;
1737 		     reset_reg_id++) {
1738 			const struct dbg_reset_reg *reset_reg;
1739 			u32 reset_reg_addr;
1740 
1741 			reset_reg = qed_get_dbg_reset_reg(p_hwfn, reset_reg_id);
1742 
1743 			if (GET_FIELD
1744 			    (reset_reg->data, DBG_RESET_REG_IS_REMOVED))
1745 				continue;
1746 
1747 			if (reg_val[reset_reg_id]) {
1748 				reset_reg_addr =
1749 				    GET_FIELD(reset_reg->data,
1750 					      DBG_RESET_REG_ADDR);
1751 				qed_wr(p_hwfn,
1752 				       p_ptt,
1753 				       DWORDS_TO_BYTES(reset_reg_addr) +
1754 				       RESET_REG_UNRESET_OFFSET,
1755 				       reg_val[reset_reg_id]);
1756 			}
1757 		}
1758 	}
1759 }
1760 
1761 /* Returns the attention block data of the specified block */
1762 static const struct dbg_attn_block_type_data *
qed_get_block_attn_data(struct qed_hwfn * p_hwfn,enum block_id block_id,enum dbg_attn_type attn_type)1763 qed_get_block_attn_data(struct qed_hwfn *p_hwfn,
1764 			enum block_id block_id, enum dbg_attn_type attn_type)
1765 {
1766 	const struct dbg_attn_block *base_attn_block_arr =
1767 	    (const struct dbg_attn_block *)
1768 	    p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_BLOCKS].ptr;
1769 
1770 	return &base_attn_block_arr[block_id].per_type_data[attn_type];
1771 }
1772 
1773 /* Returns the attention registers of the specified block */
1774 static const struct dbg_attn_reg *
qed_get_block_attn_regs(struct qed_hwfn * p_hwfn,enum block_id block_id,enum dbg_attn_type attn_type,u8 * num_attn_regs)1775 qed_get_block_attn_regs(struct qed_hwfn *p_hwfn,
1776 			enum block_id block_id, enum dbg_attn_type attn_type,
1777 			u8 *num_attn_regs)
1778 {
1779 	const struct dbg_attn_block_type_data *block_type_data =
1780 	    qed_get_block_attn_data(p_hwfn, block_id, attn_type);
1781 
1782 	*num_attn_regs = block_type_data->num_regs;
1783 
1784 	return (const struct dbg_attn_reg *)
1785 		p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_REGS].ptr +
1786 		block_type_data->regs_offset;
1787 }
1788 
1789 /* For each block, clear the status of all parities */
qed_grc_clear_all_prty(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1790 static void qed_grc_clear_all_prty(struct qed_hwfn *p_hwfn,
1791 				   struct qed_ptt *p_ptt)
1792 {
1793 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1794 	const struct dbg_attn_reg *attn_reg_arr;
1795 	u32 block_id, sts_clr_address;
1796 	u8 reg_idx, num_attn_regs;
1797 
1798 	for (block_id = 0; block_id < NUM_PHYS_BLOCKS; block_id++) {
1799 		if (dev_data->block_in_reset[block_id])
1800 			continue;
1801 
1802 		attn_reg_arr = qed_get_block_attn_regs(p_hwfn,
1803 						       (enum block_id)block_id,
1804 						       ATTN_TYPE_PARITY,
1805 						       &num_attn_regs);
1806 
1807 		for (reg_idx = 0; reg_idx < num_attn_regs; reg_idx++) {
1808 			const struct dbg_attn_reg *reg_data =
1809 				&attn_reg_arr[reg_idx];
1810 			u16 modes_buf_offset;
1811 			bool eval_mode;
1812 
1813 			/* Check mode */
1814 			eval_mode = GET_FIELD(reg_data->mode.data,
1815 					      DBG_MODE_HDR_EVAL_MODE) > 0;
1816 			modes_buf_offset =
1817 				GET_FIELD(reg_data->mode.data,
1818 					  DBG_MODE_HDR_MODES_BUF_OFFSET);
1819 
1820 			sts_clr_address = reg_data->sts_clr_address;
1821 			/* If Mode match: clear parity status */
1822 			if (!eval_mode ||
1823 			    qed_is_mode_match(p_hwfn, &modes_buf_offset))
1824 				qed_rd(p_hwfn, p_ptt,
1825 				       DWORDS_TO_BYTES(sts_clr_address));
1826 		}
1827 	}
1828 }
1829 
1830 /* Finds the meta data image in NVRAM */
qed_find_nvram_image(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 image_type,u32 * nvram_offset_bytes,u32 * nvram_size_bytes,bool b_can_sleep)1831 static enum dbg_status qed_find_nvram_image(struct qed_hwfn *p_hwfn,
1832 					    struct qed_ptt *p_ptt,
1833 					    u32 image_type,
1834 					    u32 *nvram_offset_bytes,
1835 					    u32 *nvram_size_bytes,
1836 					    bool b_can_sleep)
1837 {
1838 	u32 ret_mcp_resp, ret_mcp_param, ret_txn_size;
1839 	struct mcp_file_att file_att;
1840 	int nvm_result;
1841 
1842 	/* Call NVRAM get file command */
1843 	nvm_result = qed_mcp_nvm_rd_cmd(p_hwfn,
1844 					p_ptt,
1845 					DRV_MSG_CODE_NVM_GET_FILE_ATT,
1846 					image_type,
1847 					&ret_mcp_resp,
1848 					&ret_mcp_param,
1849 					&ret_txn_size,
1850 					(u32 *)&file_att,
1851 					b_can_sleep);
1852 
1853 	/* Check response */
1854 	if (nvm_result || (ret_mcp_resp & FW_MSG_CODE_MASK) !=
1855 	    FW_MSG_CODE_NVM_OK)
1856 		return DBG_STATUS_NVRAM_GET_IMAGE_FAILED;
1857 
1858 	/* Update return values */
1859 	*nvram_offset_bytes = file_att.nvm_start_addr;
1860 	*nvram_size_bytes = file_att.len;
1861 
1862 	DP_VERBOSE(p_hwfn,
1863 		   QED_MSG_DEBUG,
1864 		   "find_nvram_image: found NVRAM image of type %d in NVRAM offset %d bytes with size %d bytes\n",
1865 		   image_type, *nvram_offset_bytes, *nvram_size_bytes);
1866 
1867 	/* Check alignment */
1868 	if (*nvram_size_bytes & 0x3)
1869 		return DBG_STATUS_NON_ALIGNED_NVRAM_IMAGE;
1870 
1871 	return DBG_STATUS_OK;
1872 }
1873 
1874 /* Reads data from NVRAM */
qed_nvram_read(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 nvram_offset_bytes,u32 nvram_size_bytes,u32 * ret_buf,bool b_can_sleep)1875 static enum dbg_status qed_nvram_read(struct qed_hwfn *p_hwfn,
1876 				      struct qed_ptt *p_ptt,
1877 				      u32 nvram_offset_bytes,
1878 				      u32 nvram_size_bytes,
1879 				      u32 *ret_buf,
1880 				      bool b_can_sleep)
1881 {
1882 	u32 ret_mcp_resp, ret_mcp_param, ret_read_size, bytes_to_copy;
1883 	s32 bytes_left = nvram_size_bytes;
1884 	u32 read_offset = 0, param = 0;
1885 
1886 	DP_VERBOSE(p_hwfn,
1887 		   QED_MSG_DEBUG,
1888 		   "nvram_read: reading image of size %d bytes from NVRAM\n",
1889 		   nvram_size_bytes);
1890 
1891 	do {
1892 		bytes_to_copy =
1893 		    (bytes_left >
1894 		     MCP_DRV_NVM_BUF_LEN) ? MCP_DRV_NVM_BUF_LEN : bytes_left;
1895 
1896 		/* Call NVRAM read command */
1897 		SET_MFW_FIELD(param,
1898 			      DRV_MB_PARAM_NVM_OFFSET,
1899 			      nvram_offset_bytes + read_offset);
1900 		SET_MFW_FIELD(param, DRV_MB_PARAM_NVM_LEN, bytes_to_copy);
1901 		if (qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt,
1902 				       DRV_MSG_CODE_NVM_READ_NVRAM, param,
1903 				       &ret_mcp_resp,
1904 				       &ret_mcp_param, &ret_read_size,
1905 				       (u32 *)((u8 *)ret_buf + read_offset),
1906 				       b_can_sleep))
1907 			return DBG_STATUS_NVRAM_READ_FAILED;
1908 
1909 		/* Check response */
1910 		if ((ret_mcp_resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_NVM_OK)
1911 			return DBG_STATUS_NVRAM_READ_FAILED;
1912 
1913 		/* Update read offset */
1914 		read_offset += ret_read_size;
1915 		bytes_left -= ret_read_size;
1916 	} while (bytes_left > 0);
1917 
1918 	return DBG_STATUS_OK;
1919 }
1920 
1921 /* Dumps GRC registers section header. Returns the dumped size in dwords.
1922  * the following parameters are dumped:
1923  * - count: no. of dumped entries
1924  * - split_type: split type
1925  * - split_id: split ID (dumped only if split_id != SPLIT_TYPE_NONE)
1926  * - reg_type_name: register type name (dumped only if reg_type_name != NULL)
1927  */
qed_grc_dump_regs_hdr(u32 * dump_buf,bool dump,u32 num_reg_entries,enum init_split_types split_type,u8 split_id,const char * reg_type_name)1928 static u32 qed_grc_dump_regs_hdr(u32 *dump_buf,
1929 				 bool dump,
1930 				 u32 num_reg_entries,
1931 				 enum init_split_types split_type,
1932 				 u8 split_id, const char *reg_type_name)
1933 {
1934 	u8 num_params = 2 +
1935 	    (split_type != SPLIT_TYPE_NONE ? 1 : 0) + (reg_type_name ? 1 : 0);
1936 	u32 offset = 0;
1937 
1938 	offset += qed_dump_section_hdr(dump_buf + offset,
1939 				       dump, "grc_regs", num_params);
1940 	offset += qed_dump_num_param(dump_buf + offset,
1941 				     dump, "count", num_reg_entries);
1942 	offset += qed_dump_str_param(dump_buf + offset,
1943 				     dump, "split",
1944 				     s_split_type_defs[split_type].name);
1945 	if (split_type != SPLIT_TYPE_NONE)
1946 		offset += qed_dump_num_param(dump_buf + offset,
1947 					     dump, "id", split_id);
1948 	if (reg_type_name)
1949 		offset += qed_dump_str_param(dump_buf + offset,
1950 					     dump, "type", reg_type_name);
1951 
1952 	return offset;
1953 }
1954 
1955 /* Reads the specified registers into the specified buffer.
1956  * The addr and len arguments are specified in dwords.
1957  */
qed_read_regs(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf,u32 addr,u32 len)1958 void qed_read_regs(struct qed_hwfn *p_hwfn,
1959 		   struct qed_ptt *p_ptt, u32 *buf, u32 addr, u32 len)
1960 {
1961 	u32 i;
1962 
1963 	for (i = 0; i < len; i++)
1964 		buf[i] = qed_rd(p_hwfn, p_ptt, DWORDS_TO_BYTES(addr + i));
1965 }
1966 
1967 /* Dumps the GRC registers in the specified address range.
1968  * Returns the dumped size in dwords.
1969  * The addr and len arguments are specified in dwords.
1970  */
qed_grc_dump_addr_range(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 addr,u32 len,bool wide_bus,enum init_split_types split_type,u8 split_id)1971 static u32 qed_grc_dump_addr_range(struct qed_hwfn *p_hwfn,
1972 				   struct qed_ptt *p_ptt,
1973 				   u32 *dump_buf,
1974 				   bool dump, u32 addr, u32 len, bool wide_bus,
1975 				   enum init_split_types split_type,
1976 				   u8 split_id)
1977 {
1978 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
1979 	u8 port_id = 0, pf_id = 0, vf_id = 0;
1980 	bool read_using_dmae = false;
1981 	u32 thresh;
1982 	u16 fid;
1983 
1984 	if (!dump)
1985 		return len;
1986 
1987 	switch (split_type) {
1988 	case SPLIT_TYPE_PORT:
1989 		port_id = split_id;
1990 		break;
1991 	case SPLIT_TYPE_PF:
1992 		pf_id = split_id;
1993 		break;
1994 	case SPLIT_TYPE_PORT_PF:
1995 		port_id = split_id / dev_data->num_pfs_per_port;
1996 		pf_id = port_id + dev_data->num_ports *
1997 		    (split_id % dev_data->num_pfs_per_port);
1998 		break;
1999 	case SPLIT_TYPE_VF:
2000 		vf_id = split_id;
2001 		break;
2002 	default:
2003 		break;
2004 	}
2005 
2006 	/* Try reading using DMAE */
2007 	if (dev_data->use_dmae && split_type != SPLIT_TYPE_VF &&
2008 	    (len >= s_hw_type_defs[dev_data->hw_type].dmae_thresh ||
2009 	     (PROTECT_WIDE_BUS && wide_bus))) {
2010 		struct qed_dmae_params dmae_params;
2011 
2012 		/* Set DMAE params */
2013 		memset(&dmae_params, 0, sizeof(dmae_params));
2014 		SET_FIELD(dmae_params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 1);
2015 		switch (split_type) {
2016 		case SPLIT_TYPE_PORT:
2017 			SET_FIELD(dmae_params.flags, QED_DMAE_PARAMS_PORT_VALID,
2018 				  1);
2019 			dmae_params.port_id = port_id;
2020 			break;
2021 		case SPLIT_TYPE_PF:
2022 			SET_FIELD(dmae_params.flags,
2023 				  QED_DMAE_PARAMS_SRC_PF_VALID, 1);
2024 			dmae_params.src_pfid = pf_id;
2025 			break;
2026 		case SPLIT_TYPE_PORT_PF:
2027 			SET_FIELD(dmae_params.flags, QED_DMAE_PARAMS_PORT_VALID,
2028 				  1);
2029 			SET_FIELD(dmae_params.flags,
2030 				  QED_DMAE_PARAMS_SRC_PF_VALID, 1);
2031 			dmae_params.port_id = port_id;
2032 			dmae_params.src_pfid = pf_id;
2033 			break;
2034 		default:
2035 			break;
2036 		}
2037 
2038 		/* Execute DMAE command */
2039 		read_using_dmae = !qed_dmae_grc2host(p_hwfn,
2040 						     p_ptt,
2041 						     DWORDS_TO_BYTES(addr),
2042 						     (u64)(uintptr_t)(dump_buf),
2043 						     len, &dmae_params);
2044 		if (!read_using_dmae) {
2045 			dev_data->use_dmae = 0;
2046 			DP_VERBOSE(p_hwfn,
2047 				   QED_MSG_DEBUG,
2048 				   "Failed reading from chip using DMAE, using GRC instead\n");
2049 		}
2050 	}
2051 
2052 	if (read_using_dmae)
2053 		goto print_log;
2054 
2055 	/* If not read using DMAE, read using GRC */
2056 
2057 	/* Set pretend */
2058 	if (split_type != dev_data->pretend.split_type ||
2059 	    split_id != dev_data->pretend.split_id) {
2060 		switch (split_type) {
2061 		case SPLIT_TYPE_PORT:
2062 			qed_port_pretend(p_hwfn, p_ptt, port_id);
2063 			break;
2064 		case SPLIT_TYPE_PF:
2065 			fid = FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_PFID,
2066 					  pf_id);
2067 			qed_fid_pretend(p_hwfn, p_ptt, fid);
2068 			break;
2069 		case SPLIT_TYPE_PORT_PF:
2070 			fid = FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_PFID,
2071 					  pf_id);
2072 			qed_port_fid_pretend(p_hwfn, p_ptt, port_id, fid);
2073 			break;
2074 		case SPLIT_TYPE_VF:
2075 			fid = FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_VFVALID, 1)
2076 			      | FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_VFID,
2077 					  vf_id);
2078 			qed_fid_pretend(p_hwfn, p_ptt, fid);
2079 			break;
2080 		default:
2081 			break;
2082 		}
2083 
2084 		dev_data->pretend.split_type = (u8)split_type;
2085 		dev_data->pretend.split_id = split_id;
2086 	}
2087 
2088 	/* Read registers using GRC */
2089 	qed_read_regs(p_hwfn, p_ptt, dump_buf, addr, len);
2090 
2091 print_log:
2092 	/* Print log */
2093 	dev_data->num_regs_read += len;
2094 	thresh = s_hw_type_defs[dev_data->hw_type].log_thresh;
2095 	if ((dev_data->num_regs_read / thresh) >
2096 	    ((dev_data->num_regs_read - len) / thresh))
2097 		DP_VERBOSE(p_hwfn,
2098 			   QED_MSG_DEBUG,
2099 			   "Dumped %d registers...\n", dev_data->num_regs_read);
2100 
2101 	return len;
2102 }
2103 
2104 /* Dumps GRC registers sequence header. Returns the dumped size in dwords.
2105  * The addr and len arguments are specified in dwords.
2106  */
qed_grc_dump_reg_entry_hdr(u32 * dump_buf,bool dump,u32 addr,u32 len)2107 static u32 qed_grc_dump_reg_entry_hdr(u32 *dump_buf,
2108 				      bool dump, u32 addr, u32 len)
2109 {
2110 	if (dump)
2111 		*dump_buf = addr | (len << REG_DUMP_LEN_SHIFT);
2112 
2113 	return 1;
2114 }
2115 
2116 /* Dumps GRC registers sequence. Returns the dumped size in dwords.
2117  * The addr and len arguments are specified in dwords.
2118  */
qed_grc_dump_reg_entry(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 addr,u32 len,bool wide_bus,enum init_split_types split_type,u8 split_id)2119 static u32 qed_grc_dump_reg_entry(struct qed_hwfn *p_hwfn,
2120 				  struct qed_ptt *p_ptt,
2121 				  u32 *dump_buf,
2122 				  bool dump, u32 addr, u32 len, bool wide_bus,
2123 				  enum init_split_types split_type, u8 split_id)
2124 {
2125 	u32 offset = 0;
2126 
2127 	offset += qed_grc_dump_reg_entry_hdr(dump_buf, dump, addr, len);
2128 	offset += qed_grc_dump_addr_range(p_hwfn,
2129 					  p_ptt,
2130 					  dump_buf + offset,
2131 					  dump, addr, len, wide_bus,
2132 					  split_type, split_id);
2133 
2134 	return offset;
2135 }
2136 
2137 /* Dumps GRC registers sequence with skip cycle.
2138  * Returns the dumped size in dwords.
2139  * - addr:	start GRC address in dwords
2140  * - total_len:	total no. of dwords to dump
2141  * - read_len:	no. consecutive dwords to read
2142  * - skip_len:	no. of dwords to skip (and fill with zeros)
2143  */
qed_grc_dump_reg_entry_skip(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 addr,u32 total_len,u32 read_len,u32 skip_len)2144 static u32 qed_grc_dump_reg_entry_skip(struct qed_hwfn *p_hwfn,
2145 				       struct qed_ptt *p_ptt,
2146 				       u32 *dump_buf,
2147 				       bool dump,
2148 				       u32 addr,
2149 				       u32 total_len,
2150 				       u32 read_len, u32 skip_len)
2151 {
2152 	u32 offset = 0, reg_offset = 0;
2153 
2154 	offset += qed_grc_dump_reg_entry_hdr(dump_buf, dump, addr, total_len);
2155 
2156 	if (!dump)
2157 		return offset + total_len;
2158 
2159 	while (reg_offset < total_len) {
2160 		u32 curr_len = min_t(u32, read_len, total_len - reg_offset);
2161 
2162 		offset += qed_grc_dump_addr_range(p_hwfn,
2163 						  p_ptt,
2164 						  dump_buf + offset,
2165 						  dump,  addr, curr_len, false,
2166 						  SPLIT_TYPE_NONE, 0);
2167 		reg_offset += curr_len;
2168 		addr += curr_len;
2169 
2170 		if (reg_offset < total_len) {
2171 			curr_len = min_t(u32, skip_len, total_len - skip_len);
2172 			memset(dump_buf + offset, 0, DWORDS_TO_BYTES(curr_len));
2173 			offset += curr_len;
2174 			reg_offset += curr_len;
2175 			addr += curr_len;
2176 		}
2177 	}
2178 
2179 	return offset;
2180 }
2181 
2182 /* Dumps GRC registers entries. Returns the dumped size in dwords. */
qed_grc_dump_regs_entries(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct virt_mem_desc input_regs_arr,u32 * dump_buf,bool dump,enum init_split_types split_type,u8 split_id,bool block_enable[MAX_BLOCK_ID],u32 * num_dumped_reg_entries)2183 static u32 qed_grc_dump_regs_entries(struct qed_hwfn *p_hwfn,
2184 				     struct qed_ptt *p_ptt,
2185 				     struct virt_mem_desc input_regs_arr,
2186 				     u32 *dump_buf,
2187 				     bool dump,
2188 				     enum init_split_types split_type,
2189 				     u8 split_id,
2190 				     bool block_enable[MAX_BLOCK_ID],
2191 				     u32 *num_dumped_reg_entries)
2192 {
2193 	u32 i, offset = 0, input_offset = 0;
2194 	bool mode_match = true;
2195 
2196 	*num_dumped_reg_entries = 0;
2197 
2198 	while (input_offset < BYTES_TO_DWORDS(input_regs_arr.size)) {
2199 		const struct dbg_dump_cond_hdr *cond_hdr =
2200 		    (const struct dbg_dump_cond_hdr *)
2201 		    input_regs_arr.ptr + input_offset++;
2202 		u16 modes_buf_offset;
2203 		bool eval_mode;
2204 
2205 		/* Check mode/block */
2206 		eval_mode = GET_FIELD(cond_hdr->mode.data,
2207 				      DBG_MODE_HDR_EVAL_MODE) > 0;
2208 		if (eval_mode) {
2209 			modes_buf_offset =
2210 				GET_FIELD(cond_hdr->mode.data,
2211 					  DBG_MODE_HDR_MODES_BUF_OFFSET);
2212 			mode_match = qed_is_mode_match(p_hwfn,
2213 						       &modes_buf_offset);
2214 		}
2215 
2216 		if (!mode_match || !block_enable[cond_hdr->block_id]) {
2217 			input_offset += cond_hdr->data_size;
2218 			continue;
2219 		}
2220 
2221 		for (i = 0; i < cond_hdr->data_size; i++, input_offset++) {
2222 			const struct dbg_dump_reg *reg =
2223 			    (const struct dbg_dump_reg *)
2224 			    input_regs_arr.ptr + input_offset;
2225 			u32 addr, len;
2226 			bool wide_bus;
2227 
2228 			addr = GET_FIELD(reg->data, DBG_DUMP_REG_ADDRESS);
2229 			len = GET_FIELD(reg->data, DBG_DUMP_REG_LENGTH);
2230 			wide_bus = GET_FIELD(reg->data, DBG_DUMP_REG_WIDE_BUS);
2231 			offset += qed_grc_dump_reg_entry(p_hwfn,
2232 							 p_ptt,
2233 							 dump_buf + offset,
2234 							 dump,
2235 							 addr,
2236 							 len,
2237 							 wide_bus,
2238 							 split_type, split_id);
2239 			(*num_dumped_reg_entries)++;
2240 		}
2241 	}
2242 
2243 	return offset;
2244 }
2245 
2246 /* Dumps GRC registers entries. Returns the dumped size in dwords. */
qed_grc_dump_split_data(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct virt_mem_desc input_regs_arr,u32 * dump_buf,bool dump,bool block_enable[MAX_BLOCK_ID],enum init_split_types split_type,u8 split_id,const char * reg_type_name)2247 static u32 qed_grc_dump_split_data(struct qed_hwfn *p_hwfn,
2248 				   struct qed_ptt *p_ptt,
2249 				   struct virt_mem_desc input_regs_arr,
2250 				   u32 *dump_buf,
2251 				   bool dump,
2252 				   bool block_enable[MAX_BLOCK_ID],
2253 				   enum init_split_types split_type,
2254 				   u8 split_id, const char *reg_type_name)
2255 {
2256 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
2257 	enum init_split_types hdr_split_type = split_type;
2258 	u32 num_dumped_reg_entries, offset;
2259 	u8 hdr_split_id = split_id;
2260 
2261 	/* In PORT_PF split type, print a port split header */
2262 	if (split_type == SPLIT_TYPE_PORT_PF) {
2263 		hdr_split_type = SPLIT_TYPE_PORT;
2264 		hdr_split_id = split_id / dev_data->num_pfs_per_port;
2265 	}
2266 
2267 	/* Calculate register dump header size (and skip it for now) */
2268 	offset = qed_grc_dump_regs_hdr(dump_buf,
2269 				       false,
2270 				       0,
2271 				       hdr_split_type,
2272 				       hdr_split_id, reg_type_name);
2273 
2274 	/* Dump registers */
2275 	offset += qed_grc_dump_regs_entries(p_hwfn,
2276 					    p_ptt,
2277 					    input_regs_arr,
2278 					    dump_buf + offset,
2279 					    dump,
2280 					    split_type,
2281 					    split_id,
2282 					    block_enable,
2283 					    &num_dumped_reg_entries);
2284 
2285 	/* Write register dump header */
2286 	if (dump && num_dumped_reg_entries > 0)
2287 		qed_grc_dump_regs_hdr(dump_buf,
2288 				      dump,
2289 				      num_dumped_reg_entries,
2290 				      hdr_split_type,
2291 				      hdr_split_id, reg_type_name);
2292 
2293 	return num_dumped_reg_entries > 0 ? offset : 0;
2294 }
2295 
2296 /* Dumps registers according to the input registers array. Returns the dumped
2297  * size in dwords.
2298  */
qed_grc_dump_registers(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,bool block_enable[MAX_BLOCK_ID],const char * reg_type_name)2299 static u32 qed_grc_dump_registers(struct qed_hwfn *p_hwfn,
2300 				  struct qed_ptt *p_ptt,
2301 				  u32 *dump_buf,
2302 				  bool dump,
2303 				  bool block_enable[MAX_BLOCK_ID],
2304 				  const char *reg_type_name)
2305 {
2306 	struct virt_mem_desc *dbg_buf =
2307 	    &p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_REG];
2308 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
2309 	u32 offset = 0, input_offset = 0;
2310 
2311 	while (input_offset < BYTES_TO_DWORDS(dbg_buf->size)) {
2312 		const struct dbg_dump_split_hdr *split_hdr;
2313 		struct virt_mem_desc curr_input_regs_arr;
2314 		enum init_split_types split_type;
2315 		u16 split_count = 0;
2316 		u32 split_data_size;
2317 		u8 split_id;
2318 
2319 		split_hdr =
2320 		    (const struct dbg_dump_split_hdr *)
2321 		    dbg_buf->ptr + input_offset++;
2322 		split_type =
2323 		    GET_FIELD(split_hdr->hdr,
2324 			      DBG_DUMP_SPLIT_HDR_SPLIT_TYPE_ID);
2325 		split_data_size = GET_FIELD(split_hdr->hdr,
2326 					    DBG_DUMP_SPLIT_HDR_DATA_SIZE);
2327 		curr_input_regs_arr.ptr =
2328 		    (u32 *)p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_REG].ptr +
2329 		    input_offset;
2330 		curr_input_regs_arr.size = DWORDS_TO_BYTES(split_data_size);
2331 
2332 		switch (split_type) {
2333 		case SPLIT_TYPE_NONE:
2334 			split_count = 1;
2335 			break;
2336 		case SPLIT_TYPE_PORT:
2337 			split_count = dev_data->num_ports;
2338 			break;
2339 		case SPLIT_TYPE_PF:
2340 		case SPLIT_TYPE_PORT_PF:
2341 			split_count = dev_data->num_ports *
2342 			    dev_data->num_pfs_per_port;
2343 			break;
2344 		case SPLIT_TYPE_VF:
2345 			split_count = dev_data->num_vfs;
2346 			break;
2347 		default:
2348 			return 0;
2349 		}
2350 
2351 		for (split_id = 0; split_id < split_count; split_id++)
2352 			offset += qed_grc_dump_split_data(p_hwfn, p_ptt,
2353 							  curr_input_regs_arr,
2354 							  dump_buf + offset,
2355 							  dump, block_enable,
2356 							  split_type,
2357 							  split_id,
2358 							  reg_type_name);
2359 
2360 		input_offset += split_data_size;
2361 	}
2362 
2363 	/* Cancel pretends (pretend to original PF) */
2364 	if (dump) {
2365 		qed_fid_pretend(p_hwfn, p_ptt,
2366 				FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_PFID,
2367 					    p_hwfn->rel_pf_id));
2368 		dev_data->pretend.split_type = SPLIT_TYPE_NONE;
2369 		dev_data->pretend.split_id = 0;
2370 	}
2371 
2372 	return offset;
2373 }
2374 
2375 /* Dump reset registers. Returns the dumped size in dwords. */
qed_grc_dump_reset_regs(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)2376 static u32 qed_grc_dump_reset_regs(struct qed_hwfn *p_hwfn,
2377 				   struct qed_ptt *p_ptt,
2378 				   u32 *dump_buf, bool dump)
2379 {
2380 	u32 offset = 0, num_regs = 0;
2381 	u8 reset_reg_id;
2382 
2383 	/* Calculate header size */
2384 	offset += qed_grc_dump_regs_hdr(dump_buf,
2385 					false,
2386 					0, SPLIT_TYPE_NONE, 0, "RESET_REGS");
2387 
2388 	/* Write reset registers */
2389 	for (reset_reg_id = 0; reset_reg_id < NUM_DBG_RESET_REGS;
2390 	     reset_reg_id++) {
2391 		const struct dbg_reset_reg *reset_reg;
2392 		u32 reset_reg_addr;
2393 
2394 		reset_reg = qed_get_dbg_reset_reg(p_hwfn, reset_reg_id);
2395 
2396 		if (GET_FIELD(reset_reg->data, DBG_RESET_REG_IS_REMOVED))
2397 			continue;
2398 
2399 		reset_reg_addr = GET_FIELD(reset_reg->data, DBG_RESET_REG_ADDR);
2400 		offset += qed_grc_dump_reg_entry(p_hwfn,
2401 						 p_ptt,
2402 						 dump_buf + offset,
2403 						 dump,
2404 						 reset_reg_addr,
2405 						 1, false, SPLIT_TYPE_NONE, 0);
2406 		num_regs++;
2407 	}
2408 
2409 	/* Write header */
2410 	if (dump)
2411 		qed_grc_dump_regs_hdr(dump_buf,
2412 				      true, num_regs, SPLIT_TYPE_NONE,
2413 				      0, "RESET_REGS");
2414 
2415 	return offset;
2416 }
2417 
2418 /* Dump registers that are modified during GRC Dump and therefore must be
2419  * dumped first. Returns the dumped size in dwords.
2420  */
qed_grc_dump_modified_regs(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)2421 static u32 qed_grc_dump_modified_regs(struct qed_hwfn *p_hwfn,
2422 				      struct qed_ptt *p_ptt,
2423 				      u32 *dump_buf, bool dump)
2424 {
2425 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
2426 	u32 block_id, offset = 0, stall_regs_offset;
2427 	const struct dbg_attn_reg *attn_reg_arr;
2428 	u8 storm_id, reg_idx, num_attn_regs;
2429 	u32 num_reg_entries = 0;
2430 
2431 	/* Write empty header for attention registers */
2432 	offset += qed_grc_dump_regs_hdr(dump_buf,
2433 					false,
2434 					0, SPLIT_TYPE_NONE, 0, "ATTN_REGS");
2435 
2436 	/* Write parity registers */
2437 	for (block_id = 0; block_id < NUM_PHYS_BLOCKS; block_id++) {
2438 		if (dev_data->block_in_reset[block_id] && dump)
2439 			continue;
2440 
2441 		attn_reg_arr = qed_get_block_attn_regs(p_hwfn,
2442 						       (enum block_id)block_id,
2443 						       ATTN_TYPE_PARITY,
2444 						       &num_attn_regs);
2445 
2446 		for (reg_idx = 0; reg_idx < num_attn_regs; reg_idx++) {
2447 			const struct dbg_attn_reg *reg_data =
2448 				&attn_reg_arr[reg_idx];
2449 			u16 modes_buf_offset;
2450 			bool eval_mode;
2451 			u32 addr;
2452 
2453 			/* Check mode */
2454 			eval_mode = GET_FIELD(reg_data->mode.data,
2455 					      DBG_MODE_HDR_EVAL_MODE) > 0;
2456 			modes_buf_offset =
2457 				GET_FIELD(reg_data->mode.data,
2458 					  DBG_MODE_HDR_MODES_BUF_OFFSET);
2459 			if (eval_mode &&
2460 			    !qed_is_mode_match(p_hwfn, &modes_buf_offset))
2461 				continue;
2462 
2463 			/* Mode match: read & dump registers */
2464 			addr = reg_data->mask_address;
2465 			offset += qed_grc_dump_reg_entry(p_hwfn,
2466 							 p_ptt,
2467 							 dump_buf + offset,
2468 							 dump,
2469 							 addr,
2470 							 1, false,
2471 							 SPLIT_TYPE_NONE, 0);
2472 			addr = GET_FIELD(reg_data->data,
2473 					 DBG_ATTN_REG_STS_ADDRESS);
2474 			offset += qed_grc_dump_reg_entry(p_hwfn,
2475 							 p_ptt,
2476 							 dump_buf + offset,
2477 							 dump,
2478 							 addr,
2479 							 1, false,
2480 							 SPLIT_TYPE_NONE, 0);
2481 			num_reg_entries += 2;
2482 		}
2483 	}
2484 
2485 	/* Overwrite header for attention registers */
2486 	if (dump)
2487 		qed_grc_dump_regs_hdr(dump_buf,
2488 				      true,
2489 				      num_reg_entries,
2490 				      SPLIT_TYPE_NONE, 0, "ATTN_REGS");
2491 
2492 	/* Write empty header for stall registers */
2493 	stall_regs_offset = offset;
2494 	offset += qed_grc_dump_regs_hdr(dump_buf,
2495 					false, 0, SPLIT_TYPE_NONE, 0, "REGS");
2496 
2497 	/* Write Storm stall status registers */
2498 	for (storm_id = 0, num_reg_entries = 0; storm_id < MAX_DBG_STORMS;
2499 	     storm_id++) {
2500 		struct storm_defs *storm = &s_storm_defs[storm_id];
2501 		u32 addr;
2502 
2503 		if (dev_data->block_in_reset[storm->sem_block_id] && dump)
2504 			continue;
2505 
2506 		addr =
2507 		    BYTES_TO_DWORDS(storm->sem_fast_mem_addr +
2508 				    SEM_FAST_REG_STALLED);
2509 		offset += qed_grc_dump_reg_entry(p_hwfn,
2510 						 p_ptt,
2511 						 dump_buf + offset,
2512 						 dump,
2513 						 addr,
2514 						 1,
2515 						 false, SPLIT_TYPE_NONE, 0);
2516 		num_reg_entries++;
2517 	}
2518 
2519 	/* Overwrite header for stall registers */
2520 	if (dump)
2521 		qed_grc_dump_regs_hdr(dump_buf + stall_regs_offset,
2522 				      true,
2523 				      num_reg_entries,
2524 				      SPLIT_TYPE_NONE, 0, "REGS");
2525 
2526 	return offset;
2527 }
2528 
2529 /* Dumps registers that can't be represented in the debug arrays */
qed_grc_dump_special_regs(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)2530 static u32 qed_grc_dump_special_regs(struct qed_hwfn *p_hwfn,
2531 				     struct qed_ptt *p_ptt,
2532 				     u32 *dump_buf, bool dump)
2533 {
2534 	u32 offset = 0, addr;
2535 
2536 	offset += qed_grc_dump_regs_hdr(dump_buf,
2537 					dump, 2, SPLIT_TYPE_NONE, 0, "REGS");
2538 
2539 	/* Dump R/TDIF_REG_DEBUG_ERROR_INFO_SIZE (every 8'th register should be
2540 	 * skipped).
2541 	 */
2542 	addr = BYTES_TO_DWORDS(RDIF_REG_DEBUG_ERROR_INFO);
2543 	offset += qed_grc_dump_reg_entry_skip(p_hwfn,
2544 					      p_ptt,
2545 					      dump_buf + offset,
2546 					      dump,
2547 					      addr,
2548 					      RDIF_REG_DEBUG_ERROR_INFO_SIZE,
2549 					      7,
2550 					      1);
2551 	addr = BYTES_TO_DWORDS(TDIF_REG_DEBUG_ERROR_INFO);
2552 	offset +=
2553 	    qed_grc_dump_reg_entry_skip(p_hwfn,
2554 					p_ptt,
2555 					dump_buf + offset,
2556 					dump,
2557 					addr,
2558 					TDIF_REG_DEBUG_ERROR_INFO_SIZE,
2559 					7,
2560 					1);
2561 
2562 	return offset;
2563 }
2564 
2565 /* Dumps a GRC memory header (section and params). Returns the dumped size in
2566  * dwords. The following parameters are dumped:
2567  * - name:	   dumped only if it's not NULL.
2568  * - addr:	   in dwords, dumped only if name is NULL.
2569  * - len:	   in dwords, always dumped.
2570  * - width:	   dumped if it's not zero.
2571  * - packed:	   dumped only if it's not false.
2572  * - mem_group:	   always dumped.
2573  * - is_storm:	   true only if the memory is related to a Storm.
2574  * - storm_letter: valid only if is_storm is true.
2575  *
2576  */
qed_grc_dump_mem_hdr(struct qed_hwfn * p_hwfn,u32 * dump_buf,bool dump,const char * name,u32 addr,u32 len,u32 bit_width,bool packed,const char * mem_group,char storm_letter)2577 static u32 qed_grc_dump_mem_hdr(struct qed_hwfn *p_hwfn,
2578 				u32 *dump_buf,
2579 				bool dump,
2580 				const char *name,
2581 				u32 addr,
2582 				u32 len,
2583 				u32 bit_width,
2584 				bool packed,
2585 				const char *mem_group, char storm_letter)
2586 {
2587 	u8 num_params = 3;
2588 	u32 offset = 0;
2589 	char buf[64];
2590 
2591 	if (!len)
2592 		DP_NOTICE(p_hwfn,
2593 			  "Unexpected GRC Dump error: dumped memory size must be non-zero\n");
2594 
2595 	if (bit_width)
2596 		num_params++;
2597 	if (packed)
2598 		num_params++;
2599 
2600 	/* Dump section header */
2601 	offset += qed_dump_section_hdr(dump_buf + offset,
2602 				       dump, "grc_mem", num_params);
2603 
2604 	if (name) {
2605 		/* Dump name */
2606 		if (storm_letter) {
2607 			strcpy(buf, "?STORM_");
2608 			buf[0] = storm_letter;
2609 			strcpy(buf + strlen(buf), name);
2610 		} else {
2611 			strcpy(buf, name);
2612 		}
2613 
2614 		offset += qed_dump_str_param(dump_buf + offset,
2615 					     dump, "name", buf);
2616 	} else {
2617 		/* Dump address */
2618 		u32 addr_in_bytes = DWORDS_TO_BYTES(addr);
2619 
2620 		offset += qed_dump_num_param(dump_buf + offset,
2621 					     dump, "addr", addr_in_bytes);
2622 	}
2623 
2624 	/* Dump len */
2625 	offset += qed_dump_num_param(dump_buf + offset, dump, "len", len);
2626 
2627 	/* Dump bit width */
2628 	if (bit_width)
2629 		offset += qed_dump_num_param(dump_buf + offset,
2630 					     dump, "width", bit_width);
2631 
2632 	/* Dump packed */
2633 	if (packed)
2634 		offset += qed_dump_num_param(dump_buf + offset,
2635 					     dump, "packed", 1);
2636 
2637 	/* Dump reg type */
2638 	if (storm_letter) {
2639 		strcpy(buf, "?STORM_");
2640 		buf[0] = storm_letter;
2641 		strcpy(buf + strlen(buf), mem_group);
2642 	} else {
2643 		strcpy(buf, mem_group);
2644 	}
2645 
2646 	offset += qed_dump_str_param(dump_buf + offset, dump, "type", buf);
2647 
2648 	return offset;
2649 }
2650 
2651 /* Dumps a single GRC memory. If name is NULL, the memory is stored by address.
2652  * Returns the dumped size in dwords.
2653  * The addr and len arguments are specified in dwords.
2654  */
qed_grc_dump_mem(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,const char * name,u32 addr,u32 len,bool wide_bus,u32 bit_width,bool packed,const char * mem_group,char storm_letter)2655 static u32 qed_grc_dump_mem(struct qed_hwfn *p_hwfn,
2656 			    struct qed_ptt *p_ptt,
2657 			    u32 *dump_buf,
2658 			    bool dump,
2659 			    const char *name,
2660 			    u32 addr,
2661 			    u32 len,
2662 			    bool wide_bus,
2663 			    u32 bit_width,
2664 			    bool packed,
2665 			    const char *mem_group, char storm_letter)
2666 {
2667 	u32 offset = 0;
2668 
2669 	offset += qed_grc_dump_mem_hdr(p_hwfn,
2670 				       dump_buf + offset,
2671 				       dump,
2672 				       name,
2673 				       addr,
2674 				       len,
2675 				       bit_width,
2676 				       packed, mem_group, storm_letter);
2677 	offset += qed_grc_dump_addr_range(p_hwfn,
2678 					  p_ptt,
2679 					  dump_buf + offset,
2680 					  dump, addr, len, wide_bus,
2681 					  SPLIT_TYPE_NONE, 0);
2682 
2683 	return offset;
2684 }
2685 
2686 /* Dumps GRC memories entries. Returns the dumped size in dwords. */
qed_grc_dump_mem_entries(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct virt_mem_desc input_mems_arr,u32 * dump_buf,bool dump)2687 static u32 qed_grc_dump_mem_entries(struct qed_hwfn *p_hwfn,
2688 				    struct qed_ptt *p_ptt,
2689 				    struct virt_mem_desc input_mems_arr,
2690 				    u32 *dump_buf, bool dump)
2691 {
2692 	u32 i, offset = 0, input_offset = 0;
2693 	bool mode_match = true;
2694 
2695 	while (input_offset < BYTES_TO_DWORDS(input_mems_arr.size)) {
2696 		const struct dbg_dump_cond_hdr *cond_hdr;
2697 		u16 modes_buf_offset;
2698 		u32 num_entries;
2699 		bool eval_mode;
2700 
2701 		cond_hdr =
2702 		    (const struct dbg_dump_cond_hdr *)input_mems_arr.ptr +
2703 		    input_offset++;
2704 		num_entries = cond_hdr->data_size / MEM_DUMP_ENTRY_SIZE_DWORDS;
2705 
2706 		/* Check required mode */
2707 		eval_mode = GET_FIELD(cond_hdr->mode.data,
2708 				      DBG_MODE_HDR_EVAL_MODE) > 0;
2709 		if (eval_mode) {
2710 			modes_buf_offset =
2711 				GET_FIELD(cond_hdr->mode.data,
2712 					  DBG_MODE_HDR_MODES_BUF_OFFSET);
2713 			mode_match = qed_is_mode_match(p_hwfn,
2714 						       &modes_buf_offset);
2715 		}
2716 
2717 		if (!mode_match) {
2718 			input_offset += cond_hdr->data_size;
2719 			continue;
2720 		}
2721 
2722 		for (i = 0; i < num_entries;
2723 		     i++, input_offset += MEM_DUMP_ENTRY_SIZE_DWORDS) {
2724 			const struct dbg_dump_mem *mem =
2725 			    (const struct dbg_dump_mem *)((u32 *)
2726 							  input_mems_arr.ptr
2727 							  + input_offset);
2728 			const struct dbg_block *block;
2729 			char storm_letter = 0;
2730 			u32 mem_addr, mem_len;
2731 			bool mem_wide_bus;
2732 			u8 mem_group_id;
2733 
2734 			mem_group_id = GET_FIELD(mem->dword0,
2735 						 DBG_DUMP_MEM_MEM_GROUP_ID);
2736 			if (mem_group_id >= MEM_GROUPS_NUM) {
2737 				DP_NOTICE(p_hwfn, "Invalid mem_group_id\n");
2738 				return 0;
2739 			}
2740 
2741 			if (!qed_grc_is_mem_included(p_hwfn,
2742 						     (enum block_id)
2743 						     cond_hdr->block_id,
2744 						     mem_group_id))
2745 				continue;
2746 
2747 			mem_addr = GET_FIELD(mem->dword0, DBG_DUMP_MEM_ADDRESS);
2748 			mem_len = GET_FIELD(mem->dword1, DBG_DUMP_MEM_LENGTH);
2749 			mem_wide_bus = GET_FIELD(mem->dword1,
2750 						 DBG_DUMP_MEM_WIDE_BUS);
2751 
2752 			block = get_dbg_block(p_hwfn,
2753 					      cond_hdr->block_id);
2754 
2755 			/* If memory is associated with Storm,
2756 			 * update storm details
2757 			 */
2758 			if (block->associated_storm_letter)
2759 				storm_letter = block->associated_storm_letter;
2760 
2761 			/* Dump memory */
2762 			offset += qed_grc_dump_mem(p_hwfn,
2763 						p_ptt,
2764 						dump_buf + offset,
2765 						dump,
2766 						NULL,
2767 						mem_addr,
2768 						mem_len,
2769 						mem_wide_bus,
2770 						0,
2771 						false,
2772 						s_mem_group_names[mem_group_id],
2773 						storm_letter);
2774 		}
2775 	}
2776 
2777 	return offset;
2778 }
2779 
2780 /* Dumps GRC memories according to the input array dump_mem.
2781  * Returns the dumped size in dwords.
2782  */
qed_grc_dump_memories(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)2783 static u32 qed_grc_dump_memories(struct qed_hwfn *p_hwfn,
2784 				 struct qed_ptt *p_ptt,
2785 				 u32 *dump_buf, bool dump)
2786 {
2787 	struct virt_mem_desc *dbg_buf =
2788 	    &p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_MEM];
2789 	u32 offset = 0, input_offset = 0;
2790 
2791 	while (input_offset < BYTES_TO_DWORDS(dbg_buf->size)) {
2792 		const struct dbg_dump_split_hdr *split_hdr;
2793 		struct virt_mem_desc curr_input_mems_arr;
2794 		enum init_split_types split_type;
2795 		u32 split_data_size;
2796 
2797 		split_hdr =
2798 		    (const struct dbg_dump_split_hdr *)dbg_buf->ptr +
2799 		    input_offset++;
2800 		split_type = GET_FIELD(split_hdr->hdr,
2801 				       DBG_DUMP_SPLIT_HDR_SPLIT_TYPE_ID);
2802 		split_data_size = GET_FIELD(split_hdr->hdr,
2803 					    DBG_DUMP_SPLIT_HDR_DATA_SIZE);
2804 		curr_input_mems_arr.ptr = (u32 *)dbg_buf->ptr + input_offset;
2805 		curr_input_mems_arr.size = DWORDS_TO_BYTES(split_data_size);
2806 
2807 		if (split_type == SPLIT_TYPE_NONE)
2808 			offset += qed_grc_dump_mem_entries(p_hwfn,
2809 							   p_ptt,
2810 							   curr_input_mems_arr,
2811 							   dump_buf + offset,
2812 							   dump);
2813 		else
2814 			DP_NOTICE(p_hwfn,
2815 				  "Dumping split memories is currently not supported\n");
2816 
2817 		input_offset += split_data_size;
2818 	}
2819 
2820 	return offset;
2821 }
2822 
2823 /* Dumps GRC context data for the specified Storm.
2824  * Returns the dumped size in dwords.
2825  * The lid_size argument is specified in quad-regs.
2826  */
qed_grc_dump_ctx_data(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,const char * name,u32 num_lids,enum cm_ctx_types ctx_type,u8 storm_id)2827 static u32 qed_grc_dump_ctx_data(struct qed_hwfn *p_hwfn,
2828 				 struct qed_ptt *p_ptt,
2829 				 u32 *dump_buf,
2830 				 bool dump,
2831 				 const char *name,
2832 				 u32 num_lids,
2833 				 enum cm_ctx_types ctx_type, u8 storm_id)
2834 {
2835 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
2836 	struct storm_defs *storm = &s_storm_defs[storm_id];
2837 	u32 i, lid, lid_size, total_size;
2838 	u32 rd_reg_addr, offset = 0;
2839 
2840 	/* Convert quad-regs to dwords */
2841 	lid_size = storm->cm_ctx_lid_sizes[dev_data->chip_id][ctx_type] * 4;
2842 
2843 	if (!lid_size)
2844 		return 0;
2845 
2846 	total_size = num_lids * lid_size;
2847 
2848 	offset += qed_grc_dump_mem_hdr(p_hwfn,
2849 				       dump_buf + offset,
2850 				       dump,
2851 				       name,
2852 				       0,
2853 				       total_size,
2854 				       lid_size * 32,
2855 				       false, name, storm->letter);
2856 
2857 	if (!dump)
2858 		return offset + total_size;
2859 
2860 	rd_reg_addr = BYTES_TO_DWORDS(storm->cm_ctx_rd_addr[ctx_type]);
2861 
2862 	/* Dump context data */
2863 	for (lid = 0; lid < num_lids; lid++) {
2864 		for (i = 0; i < lid_size; i++) {
2865 			qed_wr(p_hwfn,
2866 			       p_ptt, storm->cm_ctx_wr_addr, (i << 9) | lid);
2867 			offset += qed_grc_dump_addr_range(p_hwfn,
2868 							  p_ptt,
2869 							  dump_buf + offset,
2870 							  dump,
2871 							  rd_reg_addr,
2872 							  1,
2873 							  false,
2874 							  SPLIT_TYPE_NONE, 0);
2875 		}
2876 		cond_resched();
2877 	}
2878 
2879 	return offset;
2880 }
2881 
2882 /* Dumps GRC contexts. Returns the dumped size in dwords. */
qed_grc_dump_ctx(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)2883 static u32 qed_grc_dump_ctx(struct qed_hwfn *p_hwfn,
2884 			    struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
2885 {
2886 	u32 offset = 0;
2887 	u8 storm_id;
2888 
2889 	for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) {
2890 		if (!qed_grc_is_storm_included(p_hwfn,
2891 					       (enum dbg_storms)storm_id))
2892 			continue;
2893 
2894 		/* Dump Conn AG context size */
2895 		offset += qed_grc_dump_ctx_data(p_hwfn,
2896 						p_ptt,
2897 						dump_buf + offset,
2898 						dump,
2899 						"CONN_AG_CTX",
2900 						NUM_OF_LCIDS,
2901 						CM_CTX_CONN_AG, storm_id);
2902 
2903 		/* Dump Conn ST context size */
2904 		offset += qed_grc_dump_ctx_data(p_hwfn,
2905 						p_ptt,
2906 						dump_buf + offset,
2907 						dump,
2908 						"CONN_ST_CTX",
2909 						NUM_OF_LCIDS,
2910 						CM_CTX_CONN_ST, storm_id);
2911 
2912 		/* Dump Task AG context size */
2913 		offset += qed_grc_dump_ctx_data(p_hwfn,
2914 						p_ptt,
2915 						dump_buf + offset,
2916 						dump,
2917 						"TASK_AG_CTX",
2918 						NUM_OF_LTIDS,
2919 						CM_CTX_TASK_AG, storm_id);
2920 
2921 		/* Dump Task ST context size */
2922 		offset += qed_grc_dump_ctx_data(p_hwfn,
2923 						p_ptt,
2924 						dump_buf + offset,
2925 						dump,
2926 						"TASK_ST_CTX",
2927 						NUM_OF_LTIDS,
2928 						CM_CTX_TASK_ST, storm_id);
2929 	}
2930 
2931 	return offset;
2932 }
2933 
2934 #define VFC_STATUS_RESP_READY_BIT	0
2935 #define VFC_STATUS_BUSY_BIT		1
2936 #define VFC_STATUS_SENDING_CMD_BIT	2
2937 
2938 #define VFC_POLLING_DELAY_MS	1
2939 #define VFC_POLLING_COUNT		20
2940 
2941 /* Reads data from VFC. Returns the number of dwords read (0 on error).
2942  * Sizes are specified in dwords.
2943  */
qed_grc_dump_read_from_vfc(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct storm_defs * storm,u32 * cmd_data,u32 cmd_size,u32 * addr_data,u32 addr_size,u32 resp_size,u32 * dump_buf)2944 static u32 qed_grc_dump_read_from_vfc(struct qed_hwfn *p_hwfn,
2945 				      struct qed_ptt *p_ptt,
2946 				      struct storm_defs *storm,
2947 				      u32 *cmd_data,
2948 				      u32 cmd_size,
2949 				      u32 *addr_data,
2950 				      u32 addr_size,
2951 				      u32 resp_size, u32 *dump_buf)
2952 {
2953 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
2954 	u32 vfc_status, polling_ms, polling_count = 0, i;
2955 	u32 reg_addr, sem_base;
2956 	bool is_ready = false;
2957 
2958 	sem_base = storm->sem_fast_mem_addr;
2959 	polling_ms = VFC_POLLING_DELAY_MS *
2960 	    s_hw_type_defs[dev_data->hw_type].delay_factor;
2961 
2962 	/* Write VFC command */
2963 	ARR_REG_WR(p_hwfn,
2964 		   p_ptt,
2965 		   sem_base + SEM_FAST_REG_VFC_DATA_WR,
2966 		   cmd_data, cmd_size);
2967 
2968 	/* Write VFC address */
2969 	ARR_REG_WR(p_hwfn,
2970 		   p_ptt,
2971 		   sem_base + SEM_FAST_REG_VFC_ADDR,
2972 		   addr_data, addr_size);
2973 
2974 	/* Read response */
2975 	for (i = 0; i < resp_size; i++) {
2976 		/* Poll until ready */
2977 		do {
2978 			reg_addr = sem_base + SEM_FAST_REG_VFC_STATUS;
2979 			qed_grc_dump_addr_range(p_hwfn,
2980 						p_ptt,
2981 						&vfc_status,
2982 						true,
2983 						BYTES_TO_DWORDS(reg_addr),
2984 						1,
2985 						false, SPLIT_TYPE_NONE, 0);
2986 			is_ready = vfc_status & BIT(VFC_STATUS_RESP_READY_BIT);
2987 
2988 			if (!is_ready) {
2989 				if (polling_count++ == VFC_POLLING_COUNT)
2990 					return 0;
2991 
2992 				msleep(polling_ms);
2993 			}
2994 		} while (!is_ready);
2995 
2996 		reg_addr = sem_base + SEM_FAST_REG_VFC_DATA_RD;
2997 		qed_grc_dump_addr_range(p_hwfn,
2998 					p_ptt,
2999 					dump_buf + i,
3000 					true,
3001 					BYTES_TO_DWORDS(reg_addr),
3002 					1, false, SPLIT_TYPE_NONE, 0);
3003 	}
3004 
3005 	return resp_size;
3006 }
3007 
3008 /* Dump VFC CAM. Returns the dumped size in dwords. */
qed_grc_dump_vfc_cam(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u8 storm_id)3009 static u32 qed_grc_dump_vfc_cam(struct qed_hwfn *p_hwfn,
3010 				struct qed_ptt *p_ptt,
3011 				u32 *dump_buf, bool dump, u8 storm_id)
3012 {
3013 	u32 total_size = VFC_CAM_NUM_ROWS * VFC_CAM_RESP_DWORDS;
3014 	struct storm_defs *storm = &s_storm_defs[storm_id];
3015 	u32 cam_addr[VFC_CAM_ADDR_DWORDS] = { 0 };
3016 	u32 cam_cmd[VFC_CAM_CMD_DWORDS] = { 0 };
3017 	u32 row, offset = 0;
3018 
3019 	offset += qed_grc_dump_mem_hdr(p_hwfn,
3020 				       dump_buf + offset,
3021 				       dump,
3022 				       "vfc_cam",
3023 				       0,
3024 				       total_size,
3025 				       256,
3026 				       false, "vfc_cam", storm->letter);
3027 
3028 	if (!dump)
3029 		return offset + total_size;
3030 
3031 	/* Prepare CAM address */
3032 	SET_VAR_FIELD(cam_addr, VFC_CAM_ADDR, OP, VFC_OPCODE_CAM_RD);
3033 
3034 	/* Read VFC CAM data */
3035 	for (row = 0; row < VFC_CAM_NUM_ROWS; row++) {
3036 		SET_VAR_FIELD(cam_cmd, VFC_CAM_CMD, ROW, row);
3037 		offset += qed_grc_dump_read_from_vfc(p_hwfn,
3038 						     p_ptt,
3039 						     storm,
3040 						     cam_cmd,
3041 						     VFC_CAM_CMD_DWORDS,
3042 						     cam_addr,
3043 						     VFC_CAM_ADDR_DWORDS,
3044 						     VFC_CAM_RESP_DWORDS,
3045 						     dump_buf + offset);
3046 	}
3047 
3048 	return offset;
3049 }
3050 
3051 /* Dump VFC RAM. Returns the dumped size in dwords. */
qed_grc_dump_vfc_ram(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u8 storm_id,struct vfc_ram_defs * ram_defs)3052 static u32 qed_grc_dump_vfc_ram(struct qed_hwfn *p_hwfn,
3053 				struct qed_ptt *p_ptt,
3054 				u32 *dump_buf,
3055 				bool dump,
3056 				u8 storm_id, struct vfc_ram_defs *ram_defs)
3057 {
3058 	u32 total_size = ram_defs->num_rows * VFC_RAM_RESP_DWORDS;
3059 	struct storm_defs *storm = &s_storm_defs[storm_id];
3060 	u32 ram_addr[VFC_RAM_ADDR_DWORDS] = { 0 };
3061 	u32 ram_cmd[VFC_RAM_CMD_DWORDS] = { 0 };
3062 	u32 row, offset = 0;
3063 
3064 	offset += qed_grc_dump_mem_hdr(p_hwfn,
3065 				       dump_buf + offset,
3066 				       dump,
3067 				       ram_defs->mem_name,
3068 				       0,
3069 				       total_size,
3070 				       256,
3071 				       false,
3072 				       ram_defs->type_name,
3073 				       storm->letter);
3074 
3075 	if (!dump)
3076 		return offset + total_size;
3077 
3078 	/* Prepare RAM address */
3079 	SET_VAR_FIELD(ram_addr, VFC_RAM_ADDR, OP, VFC_OPCODE_RAM_RD);
3080 
3081 	/* Read VFC RAM data */
3082 	for (row = ram_defs->base_row;
3083 	     row < ram_defs->base_row + ram_defs->num_rows; row++) {
3084 		SET_VAR_FIELD(ram_addr, VFC_RAM_ADDR, ROW, row);
3085 		offset += qed_grc_dump_read_from_vfc(p_hwfn,
3086 						     p_ptt,
3087 						     storm,
3088 						     ram_cmd,
3089 						     VFC_RAM_CMD_DWORDS,
3090 						     ram_addr,
3091 						     VFC_RAM_ADDR_DWORDS,
3092 						     VFC_RAM_RESP_DWORDS,
3093 						     dump_buf + offset);
3094 	}
3095 
3096 	return offset;
3097 }
3098 
3099 /* Dumps GRC VFC data. Returns the dumped size in dwords. */
qed_grc_dump_vfc(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3100 static u32 qed_grc_dump_vfc(struct qed_hwfn *p_hwfn,
3101 			    struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
3102 {
3103 	u8 storm_id, i;
3104 	u32 offset = 0;
3105 
3106 	for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) {
3107 		if (!qed_grc_is_storm_included(p_hwfn,
3108 					       (enum dbg_storms)storm_id) ||
3109 		    !s_storm_defs[storm_id].has_vfc)
3110 			continue;
3111 
3112 		/* Read CAM */
3113 		offset += qed_grc_dump_vfc_cam(p_hwfn,
3114 					       p_ptt,
3115 					       dump_buf + offset,
3116 					       dump, storm_id);
3117 
3118 		/* Read RAM */
3119 		for (i = 0; i < NUM_VFC_RAM_TYPES; i++)
3120 			offset += qed_grc_dump_vfc_ram(p_hwfn,
3121 						       p_ptt,
3122 						       dump_buf + offset,
3123 						       dump,
3124 						       storm_id,
3125 						       &s_vfc_ram_defs[i]);
3126 	}
3127 
3128 	return offset;
3129 }
3130 
3131 /* Dumps GRC RSS data. Returns the dumped size in dwords. */
qed_grc_dump_rss(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3132 static u32 qed_grc_dump_rss(struct qed_hwfn *p_hwfn,
3133 			    struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
3134 {
3135 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
3136 	u32 offset = 0;
3137 	u8 rss_mem_id;
3138 
3139 	for (rss_mem_id = 0; rss_mem_id < NUM_RSS_MEM_TYPES; rss_mem_id++) {
3140 		u32 rss_addr, num_entries, total_dwords;
3141 		struct rss_mem_defs *rss_defs;
3142 		u32 addr, num_dwords_to_read;
3143 		bool packed;
3144 
3145 		rss_defs = &s_rss_mem_defs[rss_mem_id];
3146 		rss_addr = rss_defs->addr;
3147 		num_entries = rss_defs->num_entries[dev_data->chip_id];
3148 		total_dwords = (num_entries * rss_defs->entry_width) / 32;
3149 		packed = (rss_defs->entry_width == 16);
3150 
3151 		offset += qed_grc_dump_mem_hdr(p_hwfn,
3152 					       dump_buf + offset,
3153 					       dump,
3154 					       rss_defs->mem_name,
3155 					       0,
3156 					       total_dwords,
3157 					       rss_defs->entry_width,
3158 					       packed,
3159 					       rss_defs->type_name, 0);
3160 
3161 		/* Dump RSS data */
3162 		if (!dump) {
3163 			offset += total_dwords;
3164 			continue;
3165 		}
3166 
3167 		addr = BYTES_TO_DWORDS(RSS_REG_RSS_RAM_DATA);
3168 		while (total_dwords) {
3169 			num_dwords_to_read = min_t(u32,
3170 						   RSS_REG_RSS_RAM_DATA_SIZE,
3171 						   total_dwords);
3172 			qed_wr(p_hwfn, p_ptt, RSS_REG_RSS_RAM_ADDR, rss_addr);
3173 			offset += qed_grc_dump_addr_range(p_hwfn,
3174 							  p_ptt,
3175 							  dump_buf + offset,
3176 							  dump,
3177 							  addr,
3178 							  num_dwords_to_read,
3179 							  false,
3180 							  SPLIT_TYPE_NONE, 0);
3181 			total_dwords -= num_dwords_to_read;
3182 			rss_addr++;
3183 		}
3184 	}
3185 
3186 	return offset;
3187 }
3188 
3189 /* Dumps GRC Big RAM. Returns the dumped size in dwords. */
qed_grc_dump_big_ram(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u8 big_ram_id)3190 static u32 qed_grc_dump_big_ram(struct qed_hwfn *p_hwfn,
3191 				struct qed_ptt *p_ptt,
3192 				u32 *dump_buf, bool dump, u8 big_ram_id)
3193 {
3194 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
3195 	u32 block_size, ram_size, offset = 0, reg_val, i;
3196 	char mem_name[12] = "???_BIG_RAM";
3197 	char type_name[8] = "???_RAM";
3198 	struct big_ram_defs *big_ram;
3199 
3200 	big_ram = &s_big_ram_defs[big_ram_id];
3201 	ram_size = big_ram->ram_size[dev_data->chip_id];
3202 
3203 	reg_val = qed_rd(p_hwfn, p_ptt, big_ram->is_256b_reg_addr);
3204 	block_size = reg_val &
3205 		     BIT(big_ram->is_256b_bit_offset[dev_data->chip_id]) ? 256
3206 									 : 128;
3207 
3208 	memcpy(type_name, big_ram->instance_name, BIG_RAM_NAME_LEN);
3209 	memcpy(mem_name, big_ram->instance_name, BIG_RAM_NAME_LEN);
3210 
3211 	/* Dump memory header */
3212 	offset += qed_grc_dump_mem_hdr(p_hwfn,
3213 				       dump_buf + offset,
3214 				       dump,
3215 				       mem_name,
3216 				       0,
3217 				       ram_size,
3218 				       block_size * 8,
3219 				       false, type_name, 0);
3220 
3221 	/* Read and dump Big RAM data */
3222 	if (!dump)
3223 		return offset + ram_size;
3224 
3225 	/* Dump Big RAM */
3226 	for (i = 0; i < DIV_ROUND_UP(ram_size, BRB_REG_BIG_RAM_DATA_SIZE);
3227 	     i++) {
3228 		u32 addr, len;
3229 
3230 		qed_wr(p_hwfn, p_ptt, big_ram->addr_reg_addr, i);
3231 		addr = BYTES_TO_DWORDS(big_ram->data_reg_addr);
3232 		len = BRB_REG_BIG_RAM_DATA_SIZE;
3233 		offset += qed_grc_dump_addr_range(p_hwfn,
3234 						  p_ptt,
3235 						  dump_buf + offset,
3236 						  dump,
3237 						  addr,
3238 						  len,
3239 						  false, SPLIT_TYPE_NONE, 0);
3240 	}
3241 
3242 	return offset;
3243 }
3244 
3245 /* Dumps MCP scratchpad. Returns the dumped size in dwords. */
qed_grc_dump_mcp(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3246 static u32 qed_grc_dump_mcp(struct qed_hwfn *p_hwfn,
3247 			    struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
3248 {
3249 	bool block_enable[MAX_BLOCK_ID] = { 0 };
3250 	u32 offset = 0, addr;
3251 	bool halted = false;
3252 
3253 	/* Halt MCP */
3254 	if (dump && !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP)) {
3255 		halted = !qed_mcp_halt(p_hwfn, p_ptt);
3256 		if (!halted)
3257 			DP_NOTICE(p_hwfn, "MCP halt failed!\n");
3258 	}
3259 
3260 	/* Dump MCP scratchpad */
3261 	offset += qed_grc_dump_mem(p_hwfn,
3262 				   p_ptt,
3263 				   dump_buf + offset,
3264 				   dump,
3265 				   NULL,
3266 				   BYTES_TO_DWORDS(MCP_REG_SCRATCH),
3267 				   MCP_REG_SCRATCH_SIZE,
3268 				   false, 0, false, "MCP", 0);
3269 
3270 	/* Dump MCP cpu_reg_file */
3271 	offset += qed_grc_dump_mem(p_hwfn,
3272 				   p_ptt,
3273 				   dump_buf + offset,
3274 				   dump,
3275 				   NULL,
3276 				   BYTES_TO_DWORDS(MCP_REG_CPU_REG_FILE),
3277 				   MCP_REG_CPU_REG_FILE_SIZE,
3278 				   false, 0, false, "MCP", 0);
3279 
3280 	/* Dump MCP registers */
3281 	block_enable[BLOCK_MCP] = true;
3282 	offset += qed_grc_dump_registers(p_hwfn,
3283 					 p_ptt,
3284 					 dump_buf + offset,
3285 					 dump, block_enable, "MCP");
3286 
3287 	/* Dump required non-MCP registers */
3288 	offset += qed_grc_dump_regs_hdr(dump_buf + offset,
3289 					dump, 1, SPLIT_TYPE_NONE, 0,
3290 					"MCP");
3291 	addr = BYTES_TO_DWORDS(MISC_REG_SHARED_MEM_ADDR);
3292 	offset += qed_grc_dump_reg_entry(p_hwfn,
3293 					 p_ptt,
3294 					 dump_buf + offset,
3295 					 dump,
3296 					 addr,
3297 					 1,
3298 					 false, SPLIT_TYPE_NONE, 0);
3299 
3300 	/* Release MCP */
3301 	if (halted && qed_mcp_resume(p_hwfn, p_ptt))
3302 		DP_NOTICE(p_hwfn, "Failed to resume MCP after halt!\n");
3303 
3304 	return offset;
3305 }
3306 
3307 /* Dumps the tbus indirect memory for all PHYs.
3308  * Returns the dumped size in dwords.
3309  */
qed_grc_dump_phy(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3310 static u32 qed_grc_dump_phy(struct qed_hwfn *p_hwfn,
3311 			    struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
3312 {
3313 	u32 offset = 0, tbus_lo_offset, tbus_hi_offset;
3314 	char mem_name[32];
3315 	u8 phy_id;
3316 
3317 	for (phy_id = 0; phy_id < ARRAY_SIZE(s_phy_defs); phy_id++) {
3318 		u32 addr_lo_addr, addr_hi_addr, data_lo_addr, data_hi_addr;
3319 		struct phy_defs *phy_defs;
3320 		u8 *bytes_buf;
3321 
3322 		phy_defs = &s_phy_defs[phy_id];
3323 		addr_lo_addr = phy_defs->base_addr +
3324 			       phy_defs->tbus_addr_lo_addr;
3325 		addr_hi_addr = phy_defs->base_addr +
3326 			       phy_defs->tbus_addr_hi_addr;
3327 		data_lo_addr = phy_defs->base_addr +
3328 			       phy_defs->tbus_data_lo_addr;
3329 		data_hi_addr = phy_defs->base_addr +
3330 			       phy_defs->tbus_data_hi_addr;
3331 
3332 		if (snprintf(mem_name, sizeof(mem_name), "tbus_%s",
3333 			     phy_defs->phy_name) < 0)
3334 			DP_NOTICE(p_hwfn,
3335 				  "Unexpected debug error: invalid PHY memory name\n");
3336 
3337 		offset += qed_grc_dump_mem_hdr(p_hwfn,
3338 					       dump_buf + offset,
3339 					       dump,
3340 					       mem_name,
3341 					       0,
3342 					       PHY_DUMP_SIZE_DWORDS,
3343 					       16, true, mem_name, 0);
3344 
3345 		if (!dump) {
3346 			offset += PHY_DUMP_SIZE_DWORDS;
3347 			continue;
3348 		}
3349 
3350 		bytes_buf = (u8 *)(dump_buf + offset);
3351 		for (tbus_hi_offset = 0;
3352 		     tbus_hi_offset < (NUM_PHY_TBUS_ADDRESSES >> 8);
3353 		     tbus_hi_offset++) {
3354 			qed_wr(p_hwfn, p_ptt, addr_hi_addr, tbus_hi_offset);
3355 			for (tbus_lo_offset = 0; tbus_lo_offset < 256;
3356 			     tbus_lo_offset++) {
3357 				qed_wr(p_hwfn,
3358 				       p_ptt, addr_lo_addr, tbus_lo_offset);
3359 				*(bytes_buf++) = (u8)qed_rd(p_hwfn,
3360 							    p_ptt,
3361 							    data_lo_addr);
3362 				*(bytes_buf++) = (u8)qed_rd(p_hwfn,
3363 							    p_ptt,
3364 							    data_hi_addr);
3365 			}
3366 		}
3367 
3368 		offset += PHY_DUMP_SIZE_DWORDS;
3369 	}
3370 
3371 	return offset;
3372 }
3373 
3374 /* Dumps the MCP HW dump from NVRAM. Returns the dumped size in dwords. */
qed_grc_dump_mcp_hw_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3375 static u32 qed_grc_dump_mcp_hw_dump(struct qed_hwfn *p_hwfn,
3376 				    struct qed_ptt *p_ptt,
3377 				    u32 *dump_buf, bool dump)
3378 {
3379 	u32 hw_dump_offset_bytes = 0, hw_dump_size_bytes = 0;
3380 	u32 hw_dump_size_dwords = 0, offset = 0;
3381 	enum dbg_status status;
3382 
3383 	/* Read HW dump image from NVRAM */
3384 	status = qed_find_nvram_image(p_hwfn,
3385 				      p_ptt,
3386 				      NVM_TYPE_HW_DUMP_OUT,
3387 				      &hw_dump_offset_bytes,
3388 				      &hw_dump_size_bytes,
3389 				      false);
3390 	if (status != DBG_STATUS_OK)
3391 		return 0;
3392 
3393 	hw_dump_size_dwords = BYTES_TO_DWORDS(hw_dump_size_bytes);
3394 
3395 	/* Dump HW dump image section */
3396 	offset += qed_dump_section_hdr(dump_buf + offset,
3397 				       dump, "mcp_hw_dump", 1);
3398 	offset += qed_dump_num_param(dump_buf + offset,
3399 				     dump, "size", hw_dump_size_dwords);
3400 
3401 	/* Read MCP HW dump image into dump buffer */
3402 	if (dump && hw_dump_size_dwords) {
3403 		status = qed_nvram_read(p_hwfn,
3404 					p_ptt,
3405 					hw_dump_offset_bytes,
3406 					hw_dump_size_bytes,
3407 					dump_buf + offset,
3408 					false);
3409 		if (status != DBG_STATUS_OK) {
3410 			DP_NOTICE(p_hwfn,
3411 				  "Failed to read MCP HW Dump image from NVRAM\n");
3412 			return 0;
3413 		}
3414 	}
3415 	offset += hw_dump_size_dwords;
3416 
3417 	return offset;
3418 }
3419 
3420 /* Dumps Static Debug data. Returns the dumped size in dwords. */
qed_grc_dump_static_debug(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3421 static u32 qed_grc_dump_static_debug(struct qed_hwfn *p_hwfn,
3422 				     struct qed_ptt *p_ptt,
3423 				     u32 *dump_buf, bool dump)
3424 {
3425 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
3426 	u32 block_id, line_id, offset = 0, addr, len;
3427 
3428 	/* Don't dump static debug if a debug bus recording is in progress */
3429 	if (dump && qed_rd(p_hwfn, p_ptt, DBG_REG_DBG_BLOCK_ON))
3430 		return 0;
3431 
3432 	if (dump) {
3433 		/* Disable debug bus in all blocks */
3434 		qed_bus_disable_blocks(p_hwfn, p_ptt);
3435 
3436 		qed_bus_reset_dbg_block(p_hwfn, p_ptt);
3437 		qed_wr(p_hwfn,
3438 		       p_ptt, DBG_REG_FRAMING_MODE, DBG_BUS_FRAME_MODE_8HW);
3439 		qed_wr(p_hwfn,
3440 		       p_ptt, DBG_REG_DEBUG_TARGET, DBG_BUS_TARGET_ID_INT_BUF);
3441 		qed_wr(p_hwfn, p_ptt, DBG_REG_FULL_MODE, 1);
3442 		qed_bus_enable_dbg_block(p_hwfn, p_ptt, true);
3443 	}
3444 
3445 	/* Dump all static debug lines for each relevant block */
3446 	for (block_id = 0; block_id < MAX_BLOCK_ID; block_id++) {
3447 		const struct dbg_block_chip *block_per_chip;
3448 		const struct dbg_block *block;
3449 		bool is_removed, has_dbg_bus;
3450 		u16 modes_buf_offset;
3451 		u32 block_dwords;
3452 
3453 		block_per_chip =
3454 		    qed_get_dbg_block_per_chip(p_hwfn, (enum block_id)block_id);
3455 		is_removed = GET_FIELD(block_per_chip->flags,
3456 				       DBG_BLOCK_CHIP_IS_REMOVED);
3457 		has_dbg_bus = GET_FIELD(block_per_chip->flags,
3458 					DBG_BLOCK_CHIP_HAS_DBG_BUS);
3459 
3460 		if (!is_removed && has_dbg_bus &&
3461 		    GET_FIELD(block_per_chip->dbg_bus_mode.data,
3462 			      DBG_MODE_HDR_EVAL_MODE) > 0) {
3463 			modes_buf_offset =
3464 			    GET_FIELD(block_per_chip->dbg_bus_mode.data,
3465 				      DBG_MODE_HDR_MODES_BUF_OFFSET);
3466 			if (!qed_is_mode_match(p_hwfn, &modes_buf_offset))
3467 				has_dbg_bus = false;
3468 		}
3469 
3470 		if (is_removed || !has_dbg_bus)
3471 			continue;
3472 
3473 		block_dwords = NUM_DBG_LINES(block_per_chip) *
3474 			       STATIC_DEBUG_LINE_DWORDS;
3475 
3476 		/* Dump static section params */
3477 		block = get_dbg_block(p_hwfn, (enum block_id)block_id);
3478 		offset += qed_grc_dump_mem_hdr(p_hwfn,
3479 					       dump_buf + offset,
3480 					       dump,
3481 					       block->name,
3482 					       0,
3483 					       block_dwords,
3484 					       32, false, "STATIC", 0);
3485 
3486 		if (!dump) {
3487 			offset += block_dwords;
3488 			continue;
3489 		}
3490 
3491 		/* If all lines are invalid - dump zeros */
3492 		if (dev_data->block_in_reset[block_id]) {
3493 			memset(dump_buf + offset, 0,
3494 			       DWORDS_TO_BYTES(block_dwords));
3495 			offset += block_dwords;
3496 			continue;
3497 		}
3498 
3499 		/* Enable block's client */
3500 		qed_bus_enable_clients(p_hwfn,
3501 				       p_ptt,
3502 				       BIT(block_per_chip->dbg_client_id));
3503 
3504 		addr = BYTES_TO_DWORDS(DBG_REG_CALENDAR_OUT_DATA);
3505 		len = STATIC_DEBUG_LINE_DWORDS;
3506 		for (line_id = 0; line_id < (u32)NUM_DBG_LINES(block_per_chip);
3507 		     line_id++) {
3508 			/* Configure debug line ID */
3509 			qed_bus_config_dbg_line(p_hwfn,
3510 						p_ptt,
3511 						(enum block_id)block_id,
3512 						(u8)line_id, 0xf, 0, 0, 0);
3513 
3514 			/* Read debug line info */
3515 			offset += qed_grc_dump_addr_range(p_hwfn,
3516 							  p_ptt,
3517 							  dump_buf + offset,
3518 							  dump,
3519 							  addr,
3520 							  len,
3521 							  true, SPLIT_TYPE_NONE,
3522 							  0);
3523 		}
3524 
3525 		/* Disable block's client and debug output */
3526 		qed_bus_enable_clients(p_hwfn, p_ptt, 0);
3527 		qed_bus_config_dbg_line(p_hwfn, p_ptt,
3528 					(enum block_id)block_id, 0, 0, 0, 0, 0);
3529 	}
3530 
3531 	if (dump) {
3532 		qed_bus_enable_dbg_block(p_hwfn, p_ptt, false);
3533 		qed_bus_enable_clients(p_hwfn, p_ptt, 0);
3534 	}
3535 
3536 	return offset;
3537 }
3538 
3539 /* Performs GRC Dump to the specified buffer.
3540  * Returns the dumped size in dwords.
3541  */
qed_grc_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 * num_dumped_dwords)3542 static enum dbg_status qed_grc_dump(struct qed_hwfn *p_hwfn,
3543 				    struct qed_ptt *p_ptt,
3544 				    u32 *dump_buf,
3545 				    bool dump, u32 *num_dumped_dwords)
3546 {
3547 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
3548 	bool parities_masked = false;
3549 	u32 dwords_read, offset = 0;
3550 	u8 i;
3551 
3552 	*num_dumped_dwords = 0;
3553 	dev_data->num_regs_read = 0;
3554 
3555 	/* Update reset state */
3556 	if (dump)
3557 		qed_update_blocks_reset_state(p_hwfn, p_ptt);
3558 
3559 	/* Dump global params */
3560 	offset += qed_dump_common_global_params(p_hwfn,
3561 						p_ptt,
3562 						dump_buf + offset, dump, 4);
3563 	offset += qed_dump_str_param(dump_buf + offset,
3564 				     dump, "dump-type", "grc-dump");
3565 	offset += qed_dump_num_param(dump_buf + offset,
3566 				     dump,
3567 				     "num-lcids",
3568 				     NUM_OF_LCIDS);
3569 	offset += qed_dump_num_param(dump_buf + offset,
3570 				     dump,
3571 				     "num-ltids",
3572 				     NUM_OF_LTIDS);
3573 	offset += qed_dump_num_param(dump_buf + offset,
3574 				     dump, "num-ports", dev_data->num_ports);
3575 
3576 	/* Dump reset registers (dumped before taking blocks out of reset ) */
3577 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_REGS))
3578 		offset += qed_grc_dump_reset_regs(p_hwfn,
3579 						  p_ptt,
3580 						  dump_buf + offset, dump);
3581 
3582 	/* Take all blocks out of reset (using reset registers) */
3583 	if (dump) {
3584 		qed_grc_unreset_blocks(p_hwfn, p_ptt, false);
3585 		qed_update_blocks_reset_state(p_hwfn, p_ptt);
3586 	}
3587 
3588 	/* Disable all parities using MFW command */
3589 	if (dump &&
3590 	    !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP)) {
3591 		parities_masked = !qed_mcp_mask_parities(p_hwfn, p_ptt, 1);
3592 		if (!parities_masked) {
3593 			DP_NOTICE(p_hwfn,
3594 				  "Failed to mask parities using MFW\n");
3595 			if (qed_grc_get_param
3596 			    (p_hwfn, DBG_GRC_PARAM_PARITY_SAFE))
3597 				return DBG_STATUS_MCP_COULD_NOT_MASK_PRTY;
3598 		}
3599 	}
3600 
3601 	/* Dump modified registers (dumped before modifying them) */
3602 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_REGS))
3603 		offset += qed_grc_dump_modified_regs(p_hwfn,
3604 						     p_ptt,
3605 						     dump_buf + offset, dump);
3606 
3607 	/* Stall storms */
3608 	if (dump &&
3609 	    (qed_grc_is_included(p_hwfn,
3610 				 DBG_GRC_PARAM_DUMP_IOR) ||
3611 	     qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_VFC)))
3612 		qed_grc_stall_storms(p_hwfn, p_ptt, true);
3613 
3614 	/* Dump all regs  */
3615 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_REGS)) {
3616 		bool block_enable[MAX_BLOCK_ID];
3617 
3618 		/* Dump all blocks except MCP */
3619 		for (i = 0; i < MAX_BLOCK_ID; i++)
3620 			block_enable[i] = true;
3621 		block_enable[BLOCK_MCP] = false;
3622 		offset += qed_grc_dump_registers(p_hwfn,
3623 						 p_ptt,
3624 						 dump_buf +
3625 						 offset,
3626 						 dump,
3627 						 block_enable, NULL);
3628 
3629 		/* Dump special registers */
3630 		offset += qed_grc_dump_special_regs(p_hwfn,
3631 						    p_ptt,
3632 						    dump_buf + offset, dump);
3633 	}
3634 
3635 	/* Dump memories */
3636 	offset += qed_grc_dump_memories(p_hwfn, p_ptt, dump_buf + offset, dump);
3637 
3638 	/* Dump MCP */
3639 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_MCP))
3640 		offset += qed_grc_dump_mcp(p_hwfn,
3641 					   p_ptt, dump_buf + offset, dump);
3642 
3643 	/* Dump context */
3644 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CM_CTX))
3645 		offset += qed_grc_dump_ctx(p_hwfn,
3646 					   p_ptt, dump_buf + offset, dump);
3647 
3648 	/* Dump RSS memories */
3649 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_RSS))
3650 		offset += qed_grc_dump_rss(p_hwfn,
3651 					   p_ptt, dump_buf + offset, dump);
3652 
3653 	/* Dump Big RAM */
3654 	for (i = 0; i < NUM_BIG_RAM_TYPES; i++)
3655 		if (qed_grc_is_included(p_hwfn, s_big_ram_defs[i].grc_param))
3656 			offset += qed_grc_dump_big_ram(p_hwfn,
3657 						       p_ptt,
3658 						       dump_buf + offset,
3659 						       dump, i);
3660 
3661 	/* Dump VFC */
3662 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_VFC)) {
3663 		dwords_read = qed_grc_dump_vfc(p_hwfn,
3664 					       p_ptt, dump_buf + offset, dump);
3665 		offset += dwords_read;
3666 		if (!dwords_read)
3667 			return DBG_STATUS_VFC_READ_ERROR;
3668 	}
3669 
3670 	/* Dump PHY tbus */
3671 	if (qed_grc_is_included(p_hwfn,
3672 				DBG_GRC_PARAM_DUMP_PHY) && dev_data->chip_id ==
3673 	    CHIP_K2 && dev_data->hw_type == HW_TYPE_ASIC)
3674 		offset += qed_grc_dump_phy(p_hwfn,
3675 					   p_ptt, dump_buf + offset, dump);
3676 
3677 	/* Dump MCP HW Dump */
3678 	if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_MCP_HW_DUMP) &&
3679 	    !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP) && 1)
3680 		offset += qed_grc_dump_mcp_hw_dump(p_hwfn,
3681 						   p_ptt,
3682 						   dump_buf + offset, dump);
3683 
3684 	/* Dump static debug data (only if not during debug bus recording) */
3685 	if (qed_grc_is_included(p_hwfn,
3686 				DBG_GRC_PARAM_DUMP_STATIC) &&
3687 	    (!dump || dev_data->bus.state == DBG_BUS_STATE_IDLE))
3688 		offset += qed_grc_dump_static_debug(p_hwfn,
3689 						    p_ptt,
3690 						    dump_buf + offset, dump);
3691 
3692 	/* Dump last section */
3693 	offset += qed_dump_last_section(dump_buf, offset, dump);
3694 
3695 	if (dump) {
3696 		/* Unstall storms */
3697 		if (qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_UNSTALL))
3698 			qed_grc_stall_storms(p_hwfn, p_ptt, false);
3699 
3700 		/* Clear parity status */
3701 		qed_grc_clear_all_prty(p_hwfn, p_ptt);
3702 
3703 		/* Enable all parities using MFW command */
3704 		if (parities_masked)
3705 			qed_mcp_mask_parities(p_hwfn, p_ptt, 0);
3706 	}
3707 
3708 	*num_dumped_dwords = offset;
3709 
3710 	return DBG_STATUS_OK;
3711 }
3712 
3713 /* Writes the specified failing Idle Check rule to the specified buffer.
3714  * Returns the dumped size in dwords.
3715  */
qed_idle_chk_dump_failure(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u16 rule_id,const struct dbg_idle_chk_rule * rule,u16 fail_entry_id,u32 * cond_reg_values)3716 static u32 qed_idle_chk_dump_failure(struct qed_hwfn *p_hwfn,
3717 				     struct qed_ptt *p_ptt,
3718 				     u32 *dump_buf,
3719 				     bool dump,
3720 				     u16 rule_id,
3721 				     const struct dbg_idle_chk_rule *rule,
3722 				     u16 fail_entry_id, u32 *cond_reg_values)
3723 {
3724 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
3725 	const struct dbg_idle_chk_cond_reg *cond_regs;
3726 	const struct dbg_idle_chk_info_reg *info_regs;
3727 	u32 i, next_reg_offset = 0, offset = 0;
3728 	struct dbg_idle_chk_result_hdr *hdr;
3729 	const union dbg_idle_chk_reg *regs;
3730 	u8 reg_id;
3731 
3732 	hdr = (struct dbg_idle_chk_result_hdr *)dump_buf;
3733 	regs = (const union dbg_idle_chk_reg *)
3734 		p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_REGS].ptr +
3735 		rule->reg_offset;
3736 	cond_regs = &regs[0].cond_reg;
3737 	info_regs = &regs[rule->num_cond_regs].info_reg;
3738 
3739 	/* Dump rule data */
3740 	if (dump) {
3741 		memset(hdr, 0, sizeof(*hdr));
3742 		hdr->rule_id = rule_id;
3743 		hdr->mem_entry_id = fail_entry_id;
3744 		hdr->severity = rule->severity;
3745 		hdr->num_dumped_cond_regs = rule->num_cond_regs;
3746 	}
3747 
3748 	offset += IDLE_CHK_RESULT_HDR_DWORDS;
3749 
3750 	/* Dump condition register values */
3751 	for (reg_id = 0; reg_id < rule->num_cond_regs; reg_id++) {
3752 		const struct dbg_idle_chk_cond_reg *reg = &cond_regs[reg_id];
3753 		struct dbg_idle_chk_result_reg_hdr *reg_hdr;
3754 
3755 		reg_hdr =
3756 		    (struct dbg_idle_chk_result_reg_hdr *)(dump_buf + offset);
3757 
3758 		/* Write register header */
3759 		if (!dump) {
3760 			offset += IDLE_CHK_RESULT_REG_HDR_DWORDS +
3761 			    reg->entry_size;
3762 			continue;
3763 		}
3764 
3765 		offset += IDLE_CHK_RESULT_REG_HDR_DWORDS;
3766 		memset(reg_hdr, 0, sizeof(*reg_hdr));
3767 		reg_hdr->start_entry = reg->start_entry;
3768 		reg_hdr->size = reg->entry_size;
3769 		SET_FIELD(reg_hdr->data,
3770 			  DBG_IDLE_CHK_RESULT_REG_HDR_IS_MEM,
3771 			  reg->num_entries > 1 || reg->start_entry > 0 ? 1 : 0);
3772 		SET_FIELD(reg_hdr->data,
3773 			  DBG_IDLE_CHK_RESULT_REG_HDR_REG_ID, reg_id);
3774 
3775 		/* Write register values */
3776 		for (i = 0; i < reg_hdr->size; i++, next_reg_offset++, offset++)
3777 			dump_buf[offset] = cond_reg_values[next_reg_offset];
3778 	}
3779 
3780 	/* Dump info register values */
3781 	for (reg_id = 0; reg_id < rule->num_info_regs; reg_id++) {
3782 		const struct dbg_idle_chk_info_reg *reg = &info_regs[reg_id];
3783 		u32 block_id;
3784 
3785 		/* Check if register's block is in reset */
3786 		if (!dump) {
3787 			offset += IDLE_CHK_RESULT_REG_HDR_DWORDS + reg->size;
3788 			continue;
3789 		}
3790 
3791 		block_id = GET_FIELD(reg->data, DBG_IDLE_CHK_INFO_REG_BLOCK_ID);
3792 		if (block_id >= MAX_BLOCK_ID) {
3793 			DP_NOTICE(p_hwfn, "Invalid block_id\n");
3794 			return 0;
3795 		}
3796 
3797 		if (!dev_data->block_in_reset[block_id]) {
3798 			struct dbg_idle_chk_result_reg_hdr *reg_hdr;
3799 			bool wide_bus, eval_mode, mode_match = true;
3800 			u16 modes_buf_offset;
3801 			u32 addr;
3802 
3803 			reg_hdr = (struct dbg_idle_chk_result_reg_hdr *)
3804 				  (dump_buf + offset);
3805 
3806 			/* Check mode */
3807 			eval_mode = GET_FIELD(reg->mode.data,
3808 					      DBG_MODE_HDR_EVAL_MODE) > 0;
3809 			if (eval_mode) {
3810 				modes_buf_offset =
3811 				    GET_FIELD(reg->mode.data,
3812 					      DBG_MODE_HDR_MODES_BUF_OFFSET);
3813 				mode_match =
3814 					qed_is_mode_match(p_hwfn,
3815 							  &modes_buf_offset);
3816 			}
3817 
3818 			if (!mode_match)
3819 				continue;
3820 
3821 			addr = GET_FIELD(reg->data,
3822 					 DBG_IDLE_CHK_INFO_REG_ADDRESS);
3823 			wide_bus = GET_FIELD(reg->data,
3824 					     DBG_IDLE_CHK_INFO_REG_WIDE_BUS);
3825 
3826 			/* Write register header */
3827 			offset += IDLE_CHK_RESULT_REG_HDR_DWORDS;
3828 			hdr->num_dumped_info_regs++;
3829 			memset(reg_hdr, 0, sizeof(*reg_hdr));
3830 			reg_hdr->size = reg->size;
3831 			SET_FIELD(reg_hdr->data,
3832 				  DBG_IDLE_CHK_RESULT_REG_HDR_REG_ID,
3833 				  rule->num_cond_regs + reg_id);
3834 
3835 			/* Write register values */
3836 			offset += qed_grc_dump_addr_range(p_hwfn,
3837 							  p_ptt,
3838 							  dump_buf + offset,
3839 							  dump,
3840 							  addr,
3841 							  reg->size, wide_bus,
3842 							  SPLIT_TYPE_NONE, 0);
3843 		}
3844 	}
3845 
3846 	return offset;
3847 }
3848 
3849 /* Dumps idle check rule entries. Returns the dumped size in dwords. */
3850 static u32
qed_idle_chk_dump_rule_entries(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,const struct dbg_idle_chk_rule * input_rules,u32 num_input_rules,u32 * num_failing_rules)3851 qed_idle_chk_dump_rule_entries(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
3852 			       u32 *dump_buf, bool dump,
3853 			       const struct dbg_idle_chk_rule *input_rules,
3854 			       u32 num_input_rules, u32 *num_failing_rules)
3855 {
3856 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
3857 	u32 cond_reg_values[IDLE_CHK_MAX_ENTRIES_SIZE];
3858 	u32 i, offset = 0;
3859 	u16 entry_id;
3860 	u8 reg_id;
3861 
3862 	*num_failing_rules = 0;
3863 
3864 	for (i = 0; i < num_input_rules; i++) {
3865 		const struct dbg_idle_chk_cond_reg *cond_regs;
3866 		const struct dbg_idle_chk_rule *rule;
3867 		const union dbg_idle_chk_reg *regs;
3868 		u16 num_reg_entries = 1;
3869 		bool check_rule = true;
3870 		const u32 *imm_values;
3871 
3872 		rule = &input_rules[i];
3873 		regs = (const union dbg_idle_chk_reg *)
3874 			p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_REGS].ptr +
3875 			rule->reg_offset;
3876 		cond_regs = &regs[0].cond_reg;
3877 		imm_values =
3878 		    (u32 *)p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_IMMS].ptr +
3879 		    rule->imm_offset;
3880 
3881 		/* Check if all condition register blocks are out of reset, and
3882 		 * find maximal number of entries (all condition registers that
3883 		 * are memories must have the same size, which is > 1).
3884 		 */
3885 		for (reg_id = 0; reg_id < rule->num_cond_regs && check_rule;
3886 		     reg_id++) {
3887 			u32 block_id =
3888 				GET_FIELD(cond_regs[reg_id].data,
3889 					  DBG_IDLE_CHK_COND_REG_BLOCK_ID);
3890 
3891 			if (block_id >= MAX_BLOCK_ID) {
3892 				DP_NOTICE(p_hwfn, "Invalid block_id\n");
3893 				return 0;
3894 			}
3895 
3896 			check_rule = !dev_data->block_in_reset[block_id];
3897 			if (cond_regs[reg_id].num_entries > num_reg_entries)
3898 				num_reg_entries = cond_regs[reg_id].num_entries;
3899 		}
3900 
3901 		if (!check_rule && dump)
3902 			continue;
3903 
3904 		if (!dump) {
3905 			u32 entry_dump_size =
3906 				qed_idle_chk_dump_failure(p_hwfn,
3907 							  p_ptt,
3908 							  dump_buf + offset,
3909 							  false,
3910 							  rule->rule_id,
3911 							  rule,
3912 							  0,
3913 							  NULL);
3914 
3915 			offset += num_reg_entries * entry_dump_size;
3916 			(*num_failing_rules) += num_reg_entries;
3917 			continue;
3918 		}
3919 
3920 		/* Go over all register entries (number of entries is the same
3921 		 * for all condition registers).
3922 		 */
3923 		for (entry_id = 0; entry_id < num_reg_entries; entry_id++) {
3924 			u32 next_reg_offset = 0;
3925 
3926 			/* Read current entry of all condition registers */
3927 			for (reg_id = 0; reg_id < rule->num_cond_regs;
3928 			     reg_id++) {
3929 				const struct dbg_idle_chk_cond_reg *reg =
3930 					&cond_regs[reg_id];
3931 				u32 padded_entry_size, addr;
3932 				bool wide_bus;
3933 
3934 				/* Find GRC address (if it's a memory, the
3935 				 * address of the specific entry is calculated).
3936 				 */
3937 				addr = GET_FIELD(reg->data,
3938 						 DBG_IDLE_CHK_COND_REG_ADDRESS);
3939 				wide_bus =
3940 				    GET_FIELD(reg->data,
3941 					      DBG_IDLE_CHK_COND_REG_WIDE_BUS);
3942 				if (reg->num_entries > 1 ||
3943 				    reg->start_entry > 0) {
3944 					padded_entry_size =
3945 					   reg->entry_size > 1 ?
3946 					   roundup_pow_of_two(reg->entry_size) :
3947 					   1;
3948 					addr += (reg->start_entry + entry_id) *
3949 						padded_entry_size;
3950 				}
3951 
3952 				/* Read registers */
3953 				if (next_reg_offset + reg->entry_size >=
3954 				    IDLE_CHK_MAX_ENTRIES_SIZE) {
3955 					DP_NOTICE(p_hwfn,
3956 						  "idle check registers entry is too large\n");
3957 					return 0;
3958 				}
3959 
3960 				next_reg_offset +=
3961 				    qed_grc_dump_addr_range(p_hwfn, p_ptt,
3962 							    cond_reg_values +
3963 							    next_reg_offset,
3964 							    dump, addr,
3965 							    reg->entry_size,
3966 							    wide_bus,
3967 							    SPLIT_TYPE_NONE, 0);
3968 			}
3969 
3970 			/* Call rule condition function.
3971 			 * If returns true, it's a failure.
3972 			 */
3973 			if ((*cond_arr[rule->cond_id]) (cond_reg_values,
3974 							imm_values)) {
3975 				offset += qed_idle_chk_dump_failure(p_hwfn,
3976 							p_ptt,
3977 							dump_buf + offset,
3978 							dump,
3979 							rule->rule_id,
3980 							rule,
3981 							entry_id,
3982 							cond_reg_values);
3983 				(*num_failing_rules)++;
3984 			}
3985 		}
3986 	}
3987 
3988 	return offset;
3989 }
3990 
3991 /* Performs Idle Check Dump to the specified buffer.
3992  * Returns the dumped size in dwords.
3993  */
qed_idle_chk_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)3994 static u32 qed_idle_chk_dump(struct qed_hwfn *p_hwfn,
3995 			     struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
3996 {
3997 	struct virt_mem_desc *dbg_buf =
3998 	    &p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_RULES];
3999 	u32 num_failing_rules_offset, offset = 0,
4000 	    input_offset = 0, num_failing_rules = 0;
4001 
4002 	/* Dump global params  - 1 must match below amount of params */
4003 	offset += qed_dump_common_global_params(p_hwfn,
4004 						p_ptt,
4005 						dump_buf + offset, dump, 1);
4006 	offset += qed_dump_str_param(dump_buf + offset,
4007 				     dump, "dump-type", "idle-chk");
4008 
4009 	/* Dump idle check section header with a single parameter */
4010 	offset += qed_dump_section_hdr(dump_buf + offset, dump, "idle_chk", 1);
4011 	num_failing_rules_offset = offset;
4012 	offset += qed_dump_num_param(dump_buf + offset, dump, "num_rules", 0);
4013 
4014 	while (input_offset < BYTES_TO_DWORDS(dbg_buf->size)) {
4015 		const struct dbg_idle_chk_cond_hdr *cond_hdr =
4016 		    (const struct dbg_idle_chk_cond_hdr *)dbg_buf->ptr +
4017 		    input_offset++;
4018 		bool eval_mode, mode_match = true;
4019 		u32 curr_failing_rules;
4020 		u16 modes_buf_offset;
4021 
4022 		/* Check mode */
4023 		eval_mode = GET_FIELD(cond_hdr->mode.data,
4024 				      DBG_MODE_HDR_EVAL_MODE) > 0;
4025 		if (eval_mode) {
4026 			modes_buf_offset =
4027 				GET_FIELD(cond_hdr->mode.data,
4028 					  DBG_MODE_HDR_MODES_BUF_OFFSET);
4029 			mode_match = qed_is_mode_match(p_hwfn,
4030 						       &modes_buf_offset);
4031 		}
4032 
4033 		if (mode_match) {
4034 			const struct dbg_idle_chk_rule *rule =
4035 			    (const struct dbg_idle_chk_rule *)((u32 *)
4036 							       dbg_buf->ptr
4037 							       + input_offset);
4038 			u32 num_input_rules =
4039 				cond_hdr->data_size / IDLE_CHK_RULE_SIZE_DWORDS;
4040 			offset +=
4041 			    qed_idle_chk_dump_rule_entries(p_hwfn,
4042 							   p_ptt,
4043 							   dump_buf +
4044 							   offset,
4045 							   dump,
4046 							   rule,
4047 							   num_input_rules,
4048 							   &curr_failing_rules);
4049 			num_failing_rules += curr_failing_rules;
4050 		}
4051 
4052 		input_offset += cond_hdr->data_size;
4053 	}
4054 
4055 	/* Overwrite num_rules parameter */
4056 	if (dump)
4057 		qed_dump_num_param(dump_buf + num_failing_rules_offset,
4058 				   dump, "num_rules", num_failing_rules);
4059 
4060 	/* Dump last section */
4061 	offset += qed_dump_last_section(dump_buf, offset, dump);
4062 
4063 	return offset;
4064 }
4065 
4066 /* Get info on the MCP Trace data in the scratchpad:
4067  * - trace_data_grc_addr (OUT): trace data GRC address in bytes
4068  * - trace_data_size (OUT): trace data size in bytes (without the header)
4069  */
qed_mcp_trace_get_data_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * trace_data_grc_addr,u32 * trace_data_size)4070 static enum dbg_status qed_mcp_trace_get_data_info(struct qed_hwfn *p_hwfn,
4071 						   struct qed_ptt *p_ptt,
4072 						   u32 *trace_data_grc_addr,
4073 						   u32 *trace_data_size)
4074 {
4075 	u32 spad_trace_offsize, signature;
4076 
4077 	/* Read trace section offsize structure from MCP scratchpad */
4078 	spad_trace_offsize = qed_rd(p_hwfn, p_ptt, MCP_SPAD_TRACE_OFFSIZE_ADDR);
4079 
4080 	/* Extract trace section address from offsize (in scratchpad) */
4081 	*trace_data_grc_addr =
4082 		MCP_REG_SCRATCH + SECTION_OFFSET(spad_trace_offsize);
4083 
4084 	/* Read signature from MCP trace section */
4085 	signature = qed_rd(p_hwfn, p_ptt,
4086 			   *trace_data_grc_addr +
4087 			   offsetof(struct mcp_trace, signature));
4088 
4089 	if (signature != MFW_TRACE_SIGNATURE)
4090 		return DBG_STATUS_INVALID_TRACE_SIGNATURE;
4091 
4092 	/* Read trace size from MCP trace section */
4093 	*trace_data_size = qed_rd(p_hwfn,
4094 				  p_ptt,
4095 				  *trace_data_grc_addr +
4096 				  offsetof(struct mcp_trace, size));
4097 
4098 	return DBG_STATUS_OK;
4099 }
4100 
4101 /* Reads MCP trace meta data image from NVRAM
4102  * - running_bundle_id (OUT): running bundle ID (invalid when loaded from file)
4103  * - trace_meta_offset (OUT): trace meta offset in NVRAM in bytes (invalid when
4104  *			      loaded from file).
4105  * - trace_meta_size (OUT):   size in bytes of the trace meta data.
4106  */
qed_mcp_trace_get_meta_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 trace_data_size_bytes,u32 * running_bundle_id,u32 * trace_meta_offset,u32 * trace_meta_size)4107 static enum dbg_status qed_mcp_trace_get_meta_info(struct qed_hwfn *p_hwfn,
4108 						   struct qed_ptt *p_ptt,
4109 						   u32 trace_data_size_bytes,
4110 						   u32 *running_bundle_id,
4111 						   u32 *trace_meta_offset,
4112 						   u32 *trace_meta_size)
4113 {
4114 	u32 spad_trace_offsize, nvram_image_type, running_mfw_addr;
4115 
4116 	/* Read MCP trace section offsize structure from MCP scratchpad */
4117 	spad_trace_offsize = qed_rd(p_hwfn, p_ptt, MCP_SPAD_TRACE_OFFSIZE_ADDR);
4118 
4119 	/* Find running bundle ID */
4120 	running_mfw_addr =
4121 		MCP_REG_SCRATCH + SECTION_OFFSET(spad_trace_offsize) +
4122 		QED_SECTION_SIZE(spad_trace_offsize) + trace_data_size_bytes;
4123 	*running_bundle_id = qed_rd(p_hwfn, p_ptt, running_mfw_addr);
4124 	if (*running_bundle_id > 1)
4125 		return DBG_STATUS_INVALID_NVRAM_BUNDLE;
4126 
4127 	/* Find image in NVRAM */
4128 	nvram_image_type =
4129 	    (*running_bundle_id ==
4130 	     DIR_ID_1) ? NVM_TYPE_MFW_TRACE1 : NVM_TYPE_MFW_TRACE2;
4131 	return qed_find_nvram_image(p_hwfn,
4132 				    p_ptt,
4133 				    nvram_image_type,
4134 				    trace_meta_offset,
4135 				    trace_meta_size,
4136 				    true);
4137 }
4138 
4139 /* Reads the MCP Trace meta data from NVRAM into the specified buffer */
qed_mcp_trace_read_meta(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 nvram_offset_in_bytes,u32 size_in_bytes,u32 * buf)4140 static enum dbg_status qed_mcp_trace_read_meta(struct qed_hwfn *p_hwfn,
4141 					       struct qed_ptt *p_ptt,
4142 					       u32 nvram_offset_in_bytes,
4143 					       u32 size_in_bytes, u32 *buf)
4144 {
4145 	u8 modules_num, module_len, i, *byte_buf = (u8 *)buf;
4146 	enum dbg_status status;
4147 	u32 signature;
4148 
4149 	/* Read meta data from NVRAM */
4150 	status = qed_nvram_read(p_hwfn,
4151 				p_ptt,
4152 				nvram_offset_in_bytes,
4153 				size_in_bytes,
4154 				buf,
4155 				true);
4156 	if (status != DBG_STATUS_OK)
4157 		return status;
4158 
4159 	/* Extract and check first signature */
4160 	signature = qed_read_unaligned_dword(byte_buf);
4161 	byte_buf += sizeof(signature);
4162 	if (signature != NVM_MAGIC_VALUE)
4163 		return DBG_STATUS_INVALID_TRACE_SIGNATURE;
4164 
4165 	/* Extract number of modules */
4166 	modules_num = *(byte_buf++);
4167 
4168 	/* Skip all modules */
4169 	for (i = 0; i < modules_num; i++) {
4170 		module_len = *(byte_buf++);
4171 		byte_buf += module_len;
4172 	}
4173 
4174 	/* Extract and check second signature */
4175 	signature = qed_read_unaligned_dword(byte_buf);
4176 	byte_buf += sizeof(signature);
4177 	if (signature != NVM_MAGIC_VALUE)
4178 		return DBG_STATUS_INVALID_TRACE_SIGNATURE;
4179 
4180 	return DBG_STATUS_OK;
4181 }
4182 
4183 /* Dump MCP Trace */
qed_mcp_trace_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 * num_dumped_dwords)4184 static enum dbg_status qed_mcp_trace_dump(struct qed_hwfn *p_hwfn,
4185 					  struct qed_ptt *p_ptt,
4186 					  u32 *dump_buf,
4187 					  bool dump, u32 *num_dumped_dwords)
4188 {
4189 	u32 trace_data_grc_addr, trace_data_size_bytes, trace_data_size_dwords;
4190 	u32 trace_meta_size_dwords = 0, running_bundle_id, offset = 0;
4191 	u32 trace_meta_offset_bytes = 0, trace_meta_size_bytes = 0;
4192 	enum dbg_status status;
4193 	int halted = 0;
4194 	bool use_mfw;
4195 
4196 	*num_dumped_dwords = 0;
4197 
4198 	use_mfw = !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP);
4199 
4200 	/* Get trace data info */
4201 	status = qed_mcp_trace_get_data_info(p_hwfn,
4202 					     p_ptt,
4203 					     &trace_data_grc_addr,
4204 					     &trace_data_size_bytes);
4205 	if (status != DBG_STATUS_OK)
4206 		return status;
4207 
4208 	/* Dump global params */
4209 	offset += qed_dump_common_global_params(p_hwfn,
4210 						p_ptt,
4211 						dump_buf + offset, dump, 1);
4212 	offset += qed_dump_str_param(dump_buf + offset,
4213 				     dump, "dump-type", "mcp-trace");
4214 
4215 	/* Halt MCP while reading from scratchpad so the read data will be
4216 	 * consistent. if halt fails, MCP trace is taken anyway, with a small
4217 	 * risk that it may be corrupt.
4218 	 */
4219 	if (dump && use_mfw) {
4220 		halted = !qed_mcp_halt(p_hwfn, p_ptt);
4221 		if (!halted)
4222 			DP_NOTICE(p_hwfn, "MCP halt failed!\n");
4223 	}
4224 
4225 	/* Find trace data size */
4226 	trace_data_size_dwords =
4227 	    DIV_ROUND_UP(trace_data_size_bytes + sizeof(struct mcp_trace),
4228 			 BYTES_IN_DWORD);
4229 
4230 	/* Dump trace data section header and param */
4231 	offset += qed_dump_section_hdr(dump_buf + offset,
4232 				       dump, "mcp_trace_data", 1);
4233 	offset += qed_dump_num_param(dump_buf + offset,
4234 				     dump, "size", trace_data_size_dwords);
4235 
4236 	/* Read trace data from scratchpad into dump buffer */
4237 	offset += qed_grc_dump_addr_range(p_hwfn,
4238 					  p_ptt,
4239 					  dump_buf + offset,
4240 					  dump,
4241 					  BYTES_TO_DWORDS(trace_data_grc_addr),
4242 					  trace_data_size_dwords, false,
4243 					  SPLIT_TYPE_NONE, 0);
4244 
4245 	/* Resume MCP (only if halt succeeded) */
4246 	if (halted && qed_mcp_resume(p_hwfn, p_ptt))
4247 		DP_NOTICE(p_hwfn, "Failed to resume MCP after halt!\n");
4248 
4249 	/* Dump trace meta section header */
4250 	offset += qed_dump_section_hdr(dump_buf + offset,
4251 				       dump, "mcp_trace_meta", 1);
4252 
4253 	/* If MCP Trace meta size parameter was set, use it.
4254 	 * Otherwise, read trace meta.
4255 	 * trace_meta_size_bytes is dword-aligned.
4256 	 */
4257 	trace_meta_size_bytes =
4258 		qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_MCP_TRACE_META_SIZE);
4259 	if ((!trace_meta_size_bytes || dump) && use_mfw)
4260 		status = qed_mcp_trace_get_meta_info(p_hwfn,
4261 						     p_ptt,
4262 						     trace_data_size_bytes,
4263 						     &running_bundle_id,
4264 						     &trace_meta_offset_bytes,
4265 						     &trace_meta_size_bytes);
4266 	if (status == DBG_STATUS_OK)
4267 		trace_meta_size_dwords = BYTES_TO_DWORDS(trace_meta_size_bytes);
4268 
4269 	/* Dump trace meta size param */
4270 	offset += qed_dump_num_param(dump_buf + offset,
4271 				     dump, "size", trace_meta_size_dwords);
4272 
4273 	/* Read trace meta image into dump buffer */
4274 	if (dump && trace_meta_size_dwords)
4275 		status = qed_mcp_trace_read_meta(p_hwfn,
4276 						 p_ptt,
4277 						 trace_meta_offset_bytes,
4278 						 trace_meta_size_bytes,
4279 						 dump_buf + offset);
4280 	if (status == DBG_STATUS_OK)
4281 		offset += trace_meta_size_dwords;
4282 
4283 	/* Dump last section */
4284 	offset += qed_dump_last_section(dump_buf, offset, dump);
4285 
4286 	*num_dumped_dwords = offset;
4287 
4288 	/* If no mcp access, indicate that the dump doesn't contain the meta
4289 	 * data from NVRAM.
4290 	 */
4291 	return use_mfw ? status : DBG_STATUS_NVRAM_GET_IMAGE_FAILED;
4292 }
4293 
4294 /* Dump GRC FIFO */
qed_reg_fifo_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 * num_dumped_dwords)4295 static enum dbg_status qed_reg_fifo_dump(struct qed_hwfn *p_hwfn,
4296 					 struct qed_ptt *p_ptt,
4297 					 u32 *dump_buf,
4298 					 bool dump, u32 *num_dumped_dwords)
4299 {
4300 	u32 dwords_read, size_param_offset, offset = 0, addr, len;
4301 	bool fifo_has_data;
4302 
4303 	*num_dumped_dwords = 0;
4304 
4305 	/* Dump global params */
4306 	offset += qed_dump_common_global_params(p_hwfn,
4307 						p_ptt,
4308 						dump_buf + offset, dump, 1);
4309 	offset += qed_dump_str_param(dump_buf + offset,
4310 				     dump, "dump-type", "reg-fifo");
4311 
4312 	/* Dump fifo data section header and param. The size param is 0 for
4313 	 * now, and is overwritten after reading the FIFO.
4314 	 */
4315 	offset += qed_dump_section_hdr(dump_buf + offset,
4316 				       dump, "reg_fifo_data", 1);
4317 	size_param_offset = offset;
4318 	offset += qed_dump_num_param(dump_buf + offset, dump, "size", 0);
4319 
4320 	if (!dump) {
4321 		/* FIFO max size is REG_FIFO_DEPTH_DWORDS. There is no way to
4322 		 * test how much data is available, except for reading it.
4323 		 */
4324 		offset += REG_FIFO_DEPTH_DWORDS;
4325 		goto out;
4326 	}
4327 
4328 	fifo_has_data = qed_rd(p_hwfn, p_ptt,
4329 			       GRC_REG_TRACE_FIFO_VALID_DATA) > 0;
4330 
4331 	/* Pull available data from fifo. Use DMAE since this is widebus memory
4332 	 * and must be accessed atomically. Test for dwords_read not passing
4333 	 * buffer size since more entries could be added to the buffer as we are
4334 	 * emptying it.
4335 	 */
4336 	addr = BYTES_TO_DWORDS(GRC_REG_TRACE_FIFO);
4337 	len = REG_FIFO_ELEMENT_DWORDS;
4338 	for (dwords_read = 0;
4339 	     fifo_has_data && dwords_read < REG_FIFO_DEPTH_DWORDS;
4340 	     dwords_read += REG_FIFO_ELEMENT_DWORDS) {
4341 		offset += qed_grc_dump_addr_range(p_hwfn,
4342 						  p_ptt,
4343 						  dump_buf + offset,
4344 						  true,
4345 						  addr,
4346 						  len,
4347 						  true, SPLIT_TYPE_NONE,
4348 						  0);
4349 		fifo_has_data = qed_rd(p_hwfn, p_ptt,
4350 				       GRC_REG_TRACE_FIFO_VALID_DATA) > 0;
4351 	}
4352 
4353 	qed_dump_num_param(dump_buf + size_param_offset, dump, "size",
4354 			   dwords_read);
4355 out:
4356 	/* Dump last section */
4357 	offset += qed_dump_last_section(dump_buf, offset, dump);
4358 
4359 	*num_dumped_dwords = offset;
4360 
4361 	return DBG_STATUS_OK;
4362 }
4363 
4364 /* Dump IGU FIFO */
qed_igu_fifo_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 * num_dumped_dwords)4365 static enum dbg_status qed_igu_fifo_dump(struct qed_hwfn *p_hwfn,
4366 					 struct qed_ptt *p_ptt,
4367 					 u32 *dump_buf,
4368 					 bool dump, u32 *num_dumped_dwords)
4369 {
4370 	u32 dwords_read, size_param_offset, offset = 0, addr, len;
4371 	bool fifo_has_data;
4372 
4373 	*num_dumped_dwords = 0;
4374 
4375 	/* Dump global params */
4376 	offset += qed_dump_common_global_params(p_hwfn,
4377 						p_ptt,
4378 						dump_buf + offset, dump, 1);
4379 	offset += qed_dump_str_param(dump_buf + offset,
4380 				     dump, "dump-type", "igu-fifo");
4381 
4382 	/* Dump fifo data section header and param. The size param is 0 for
4383 	 * now, and is overwritten after reading the FIFO.
4384 	 */
4385 	offset += qed_dump_section_hdr(dump_buf + offset,
4386 				       dump, "igu_fifo_data", 1);
4387 	size_param_offset = offset;
4388 	offset += qed_dump_num_param(dump_buf + offset, dump, "size", 0);
4389 
4390 	if (!dump) {
4391 		/* FIFO max size is IGU_FIFO_DEPTH_DWORDS. There is no way to
4392 		 * test how much data is available, except for reading it.
4393 		 */
4394 		offset += IGU_FIFO_DEPTH_DWORDS;
4395 		goto out;
4396 	}
4397 
4398 	fifo_has_data = qed_rd(p_hwfn, p_ptt,
4399 			       IGU_REG_ERROR_HANDLING_DATA_VALID) > 0;
4400 
4401 	/* Pull available data from fifo. Use DMAE since this is widebus memory
4402 	 * and must be accessed atomically. Test for dwords_read not passing
4403 	 * buffer size since more entries could be added to the buffer as we are
4404 	 * emptying it.
4405 	 */
4406 	addr = BYTES_TO_DWORDS(IGU_REG_ERROR_HANDLING_MEMORY);
4407 	len = IGU_FIFO_ELEMENT_DWORDS;
4408 	for (dwords_read = 0;
4409 	     fifo_has_data && dwords_read < IGU_FIFO_DEPTH_DWORDS;
4410 	     dwords_read += IGU_FIFO_ELEMENT_DWORDS) {
4411 		offset += qed_grc_dump_addr_range(p_hwfn,
4412 						  p_ptt,
4413 						  dump_buf + offset,
4414 						  true,
4415 						  addr,
4416 						  len,
4417 						  true, SPLIT_TYPE_NONE,
4418 						  0);
4419 		fifo_has_data = qed_rd(p_hwfn, p_ptt,
4420 				       IGU_REG_ERROR_HANDLING_DATA_VALID) > 0;
4421 	}
4422 
4423 	qed_dump_num_param(dump_buf + size_param_offset, dump, "size",
4424 			   dwords_read);
4425 out:
4426 	/* Dump last section */
4427 	offset += qed_dump_last_section(dump_buf, offset, dump);
4428 
4429 	*num_dumped_dwords = offset;
4430 
4431 	return DBG_STATUS_OK;
4432 }
4433 
4434 /* Protection Override dump */
qed_protection_override_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 * num_dumped_dwords)4435 static enum dbg_status qed_protection_override_dump(struct qed_hwfn *p_hwfn,
4436 						    struct qed_ptt *p_ptt,
4437 						    u32 *dump_buf,
4438 						    bool dump,
4439 						    u32 *num_dumped_dwords)
4440 {
4441 	u32 size_param_offset, override_window_dwords, offset = 0, addr;
4442 
4443 	*num_dumped_dwords = 0;
4444 
4445 	/* Dump global params */
4446 	offset += qed_dump_common_global_params(p_hwfn,
4447 						p_ptt,
4448 						dump_buf + offset, dump, 1);
4449 	offset += qed_dump_str_param(dump_buf + offset,
4450 				     dump, "dump-type", "protection-override");
4451 
4452 	/* Dump data section header and param. The size param is 0 for now,
4453 	 * and is overwritten after reading the data.
4454 	 */
4455 	offset += qed_dump_section_hdr(dump_buf + offset,
4456 				       dump, "protection_override_data", 1);
4457 	size_param_offset = offset;
4458 	offset += qed_dump_num_param(dump_buf + offset, dump, "size", 0);
4459 
4460 	if (!dump) {
4461 		offset += PROTECTION_OVERRIDE_DEPTH_DWORDS;
4462 		goto out;
4463 	}
4464 
4465 	/* Add override window info to buffer, preventing buffer overflow */
4466 	override_window_dwords =
4467 		min(qed_rd(p_hwfn, p_ptt, GRC_REG_NUMBER_VALID_OVERRIDE_WINDOW) *
4468 		PROTECTION_OVERRIDE_ELEMENT_DWORDS,
4469 		PROTECTION_OVERRIDE_DEPTH_DWORDS);
4470 	if (override_window_dwords) {
4471 		addr = BYTES_TO_DWORDS(GRC_REG_PROTECTION_OVERRIDE_WINDOW);
4472 		offset += qed_grc_dump_addr_range(p_hwfn,
4473 						  p_ptt,
4474 						  dump_buf + offset,
4475 						  true,
4476 						  addr,
4477 						  override_window_dwords,
4478 						  true, SPLIT_TYPE_NONE, 0);
4479 		qed_dump_num_param(dump_buf + size_param_offset, dump, "size",
4480 				   override_window_dwords);
4481 	}
4482 out:
4483 	/* Dump last section */
4484 	offset += qed_dump_last_section(dump_buf, offset, dump);
4485 
4486 	*num_dumped_dwords = offset;
4487 
4488 	return DBG_STATUS_OK;
4489 }
4490 
4491 /* Performs FW Asserts Dump to the specified buffer.
4492  * Returns the dumped size in dwords.
4493  */
qed_fw_asserts_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump)4494 static u32 qed_fw_asserts_dump(struct qed_hwfn *p_hwfn,
4495 			       struct qed_ptt *p_ptt, u32 *dump_buf, bool dump)
4496 {
4497 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
4498 	struct fw_asserts_ram_section *asserts;
4499 	char storm_letter_str[2] = "?";
4500 	struct fw_info fw_info;
4501 	u32 offset = 0;
4502 	u8 storm_id;
4503 
4504 	/* Dump global params */
4505 	offset += qed_dump_common_global_params(p_hwfn,
4506 						p_ptt,
4507 						dump_buf + offset, dump, 1);
4508 	offset += qed_dump_str_param(dump_buf + offset,
4509 				     dump, "dump-type", "fw-asserts");
4510 
4511 	/* Find Storm dump size */
4512 	for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) {
4513 		u32 fw_asserts_section_addr, next_list_idx_addr, next_list_idx;
4514 		struct storm_defs *storm = &s_storm_defs[storm_id];
4515 		u32 last_list_idx, addr;
4516 
4517 		if (dev_data->block_in_reset[storm->sem_block_id])
4518 			continue;
4519 
4520 		/* Read FW info for the current Storm */
4521 		qed_read_storm_fw_info(p_hwfn, p_ptt, storm_id, &fw_info);
4522 
4523 		asserts = &fw_info.fw_asserts_section;
4524 
4525 		/* Dump FW Asserts section header and params */
4526 		storm_letter_str[0] = storm->letter;
4527 		offset += qed_dump_section_hdr(dump_buf + offset,
4528 					       dump, "fw_asserts", 2);
4529 		offset += qed_dump_str_param(dump_buf + offset,
4530 					     dump, "storm", storm_letter_str);
4531 		offset += qed_dump_num_param(dump_buf + offset,
4532 					     dump,
4533 					     "size",
4534 					     asserts->list_element_dword_size);
4535 
4536 		/* Read and dump FW Asserts data */
4537 		if (!dump) {
4538 			offset += asserts->list_element_dword_size;
4539 			continue;
4540 		}
4541 
4542 		addr = le16_to_cpu(asserts->section_ram_line_offset);
4543 		fw_asserts_section_addr = storm->sem_fast_mem_addr +
4544 					  SEM_FAST_REG_INT_RAM +
4545 					  RAM_LINES_TO_BYTES(addr);
4546 
4547 		next_list_idx_addr = fw_asserts_section_addr +
4548 			DWORDS_TO_BYTES(asserts->list_next_index_dword_offset);
4549 		next_list_idx = qed_rd(p_hwfn, p_ptt, next_list_idx_addr);
4550 		last_list_idx = (next_list_idx > 0 ?
4551 				 next_list_idx :
4552 				 asserts->list_num_elements) - 1;
4553 		addr = BYTES_TO_DWORDS(fw_asserts_section_addr) +
4554 		       asserts->list_dword_offset +
4555 		       last_list_idx * asserts->list_element_dword_size;
4556 		offset +=
4557 		    qed_grc_dump_addr_range(p_hwfn, p_ptt,
4558 					    dump_buf + offset,
4559 					    dump, addr,
4560 					    asserts->list_element_dword_size,
4561 						  false, SPLIT_TYPE_NONE, 0);
4562 	}
4563 
4564 	/* Dump last section */
4565 	offset += qed_dump_last_section(dump_buf, offset, dump);
4566 
4567 	return offset;
4568 }
4569 
4570 /* Dumps the specified ILT pages to the specified buffer.
4571  * Returns the dumped size in dwords.
4572  */
qed_ilt_dump_pages_range(u32 * dump_buf,u32 * given_offset,bool * dump,u32 start_page_id,u32 num_pages,struct phys_mem_desc * ilt_pages,bool dump_page_ids,u32 buf_size_in_dwords,u32 * given_actual_dump_size_in_dwords)4573 static u32 qed_ilt_dump_pages_range(u32 *dump_buf, u32 *given_offset,
4574 				    bool *dump, u32 start_page_id,
4575 				    u32 num_pages,
4576 				    struct phys_mem_desc *ilt_pages,
4577 				    bool dump_page_ids, u32 buf_size_in_dwords,
4578 				    u32 *given_actual_dump_size_in_dwords)
4579 {
4580 	u32 actual_dump_size_in_dwords = *given_actual_dump_size_in_dwords;
4581 	u32 page_id, end_page_id, offset = *given_offset;
4582 	struct phys_mem_desc *mem_desc = NULL;
4583 	bool continue_dump = *dump;
4584 	u32 partial_page_size = 0;
4585 
4586 	if (num_pages == 0)
4587 		return offset;
4588 
4589 	end_page_id = start_page_id + num_pages - 1;
4590 
4591 	for (page_id = start_page_id; page_id <= end_page_id; page_id++) {
4592 		mem_desc = &ilt_pages[page_id];
4593 		if (!ilt_pages[page_id].virt_addr)
4594 			continue;
4595 
4596 		if (dump_page_ids) {
4597 			/* Copy page ID to dump buffer
4598 			 * (if dump is needed and buffer is not full)
4599 			 */
4600 			if ((continue_dump) &&
4601 			    (offset + 1 > buf_size_in_dwords)) {
4602 				continue_dump = false;
4603 				actual_dump_size_in_dwords = offset;
4604 			}
4605 			if (continue_dump)
4606 				*(dump_buf + offset) = page_id;
4607 			offset++;
4608 		} else {
4609 			/* Copy page memory to dump buffer */
4610 			if ((continue_dump) &&
4611 			    (offset + BYTES_TO_DWORDS(mem_desc->size) >
4612 			     buf_size_in_dwords)) {
4613 				if (offset + BYTES_TO_DWORDS(mem_desc->size) >
4614 				    buf_size_in_dwords) {
4615 					partial_page_size =
4616 					    buf_size_in_dwords - offset;
4617 					memcpy(dump_buf + offset,
4618 					       mem_desc->virt_addr,
4619 					       partial_page_size);
4620 					continue_dump = false;
4621 					actual_dump_size_in_dwords =
4622 					    offset + partial_page_size;
4623 				}
4624 			}
4625 
4626 			if (continue_dump)
4627 				memcpy(dump_buf + offset,
4628 				       mem_desc->virt_addr, mem_desc->size);
4629 			offset += BYTES_TO_DWORDS(mem_desc->size);
4630 		}
4631 	}
4632 
4633 	*dump = continue_dump;
4634 	*given_offset = offset;
4635 	*given_actual_dump_size_in_dwords = actual_dump_size_in_dwords;
4636 
4637 	return offset;
4638 }
4639 
4640 /* Dumps a section containing the dumped ILT pages.
4641  * Returns the dumped size in dwords.
4642  */
qed_ilt_dump_pages_section(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 * given_offset,bool * dump,u32 valid_conn_pf_pages,u32 valid_conn_vf_pages,struct phys_mem_desc * ilt_pages,bool dump_page_ids,u32 buf_size_in_dwords,u32 * given_actual_dump_size_in_dwords)4643 static u32 qed_ilt_dump_pages_section(struct qed_hwfn *p_hwfn,
4644 				      u32 *dump_buf,
4645 				      u32 *given_offset,
4646 				      bool *dump,
4647 				      u32 valid_conn_pf_pages,
4648 				      u32 valid_conn_vf_pages,
4649 				      struct phys_mem_desc *ilt_pages,
4650 				      bool dump_page_ids,
4651 				      u32 buf_size_in_dwords,
4652 				      u32 *given_actual_dump_size_in_dwords)
4653 {
4654 	struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients;
4655 	u32 pf_start_line, start_page_id, offset = *given_offset;
4656 	u32 cdut_pf_init_pages, cdut_vf_init_pages;
4657 	u32 cdut_pf_work_pages, cdut_vf_work_pages;
4658 	u32 base_data_offset, size_param_offset;
4659 	u32 src_pages;
4660 	u32 section_header_and_param_size;
4661 	u32 cdut_pf_pages, cdut_vf_pages;
4662 	u32 actual_dump_size_in_dwords;
4663 	bool continue_dump = *dump;
4664 	bool update_size = *dump;
4665 	const char *section_name;
4666 	u32 i;
4667 
4668 	actual_dump_size_in_dwords = *given_actual_dump_size_in_dwords;
4669 	section_name = dump_page_ids ? "ilt_page_ids" : "ilt_page_mem";
4670 	cdut_pf_init_pages = qed_get_cdut_num_pf_init_pages(p_hwfn);
4671 	cdut_vf_init_pages = qed_get_cdut_num_vf_init_pages(p_hwfn);
4672 	cdut_pf_work_pages = qed_get_cdut_num_pf_work_pages(p_hwfn);
4673 	cdut_vf_work_pages = qed_get_cdut_num_vf_work_pages(p_hwfn);
4674 	cdut_pf_pages = cdut_pf_init_pages + cdut_pf_work_pages;
4675 	cdut_vf_pages = cdut_vf_init_pages + cdut_vf_work_pages;
4676 	pf_start_line = p_hwfn->p_cxt_mngr->pf_start_line;
4677 	section_header_and_param_size = qed_dump_section_hdr(NULL,
4678 							     false,
4679 							     section_name,
4680 							     1) +
4681 	qed_dump_num_param(NULL, false, "size", 0);
4682 
4683 	if ((continue_dump) &&
4684 	    (offset + section_header_and_param_size > buf_size_in_dwords)) {
4685 		continue_dump = false;
4686 		update_size = false;
4687 		actual_dump_size_in_dwords = offset;
4688 	}
4689 
4690 	offset += qed_dump_section_hdr(dump_buf + offset,
4691 				       continue_dump, section_name, 1);
4692 
4693 	/* Dump size parameter (0 for now, overwritten with real size later) */
4694 	size_param_offset = offset;
4695 	offset += qed_dump_num_param(dump_buf + offset,
4696 				     continue_dump, "size", 0);
4697 	base_data_offset = offset;
4698 
4699 	/* CDUC pages are ordered as follows:
4700 	 * - PF pages - valid section (included in PF connection type mapping)
4701 	 * - PF pages - invalid section (not dumped)
4702 	 * - For each VF in the PF:
4703 	 *   - VF pages - valid section (included in VF connection type mapping)
4704 	 *   - VF pages - invalid section (not dumped)
4705 	 */
4706 	if (qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_DUMP_ILT_CDUC)) {
4707 		/* Dump connection PF pages */
4708 		start_page_id = clients[ILT_CLI_CDUC].first.val - pf_start_line;
4709 		qed_ilt_dump_pages_range(dump_buf, &offset, &continue_dump,
4710 					 start_page_id, valid_conn_pf_pages,
4711 					 ilt_pages, dump_page_ids,
4712 					 buf_size_in_dwords,
4713 					 &actual_dump_size_in_dwords);
4714 
4715 		/* Dump connection VF pages */
4716 		start_page_id += clients[ILT_CLI_CDUC].pf_total_lines;
4717 		for (i = 0; i < p_hwfn->p_cxt_mngr->vf_count;
4718 		     i++, start_page_id += clients[ILT_CLI_CDUC].vf_total_lines)
4719 			qed_ilt_dump_pages_range(dump_buf, &offset,
4720 						 &continue_dump, start_page_id,
4721 						 valid_conn_vf_pages,
4722 						 ilt_pages, dump_page_ids,
4723 						 buf_size_in_dwords,
4724 						 &actual_dump_size_in_dwords);
4725 	}
4726 
4727 	/* CDUT pages are ordered as follows:
4728 	 * - PF init pages (not dumped)
4729 	 * - PF work pages
4730 	 * - For each VF in the PF:
4731 	 *   - VF init pages (not dumped)
4732 	 *   - VF work pages
4733 	 */
4734 	if (qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_DUMP_ILT_CDUT)) {
4735 		/* Dump task PF pages */
4736 		start_page_id = clients[ILT_CLI_CDUT].first.val +
4737 		    cdut_pf_init_pages - pf_start_line;
4738 		qed_ilt_dump_pages_range(dump_buf, &offset, &continue_dump,
4739 					 start_page_id, cdut_pf_work_pages,
4740 					 ilt_pages, dump_page_ids,
4741 					 buf_size_in_dwords,
4742 					 &actual_dump_size_in_dwords);
4743 
4744 		/* Dump task VF pages */
4745 		start_page_id = clients[ILT_CLI_CDUT].first.val +
4746 		    cdut_pf_pages + cdut_vf_init_pages - pf_start_line;
4747 		for (i = 0; i < p_hwfn->p_cxt_mngr->vf_count;
4748 		     i++, start_page_id += cdut_vf_pages)
4749 			qed_ilt_dump_pages_range(dump_buf, &offset,
4750 						 &continue_dump, start_page_id,
4751 						 cdut_vf_work_pages, ilt_pages,
4752 						 dump_page_ids,
4753 						 buf_size_in_dwords,
4754 						 &actual_dump_size_in_dwords);
4755 	}
4756 
4757 	/*Dump Searcher pages */
4758 	if (clients[ILT_CLI_SRC].active) {
4759 		start_page_id = clients[ILT_CLI_SRC].first.val - pf_start_line;
4760 		src_pages = clients[ILT_CLI_SRC].last.val -
4761 		    clients[ILT_CLI_SRC].first.val + 1;
4762 		qed_ilt_dump_pages_range(dump_buf, &offset, &continue_dump,
4763 					 start_page_id, src_pages, ilt_pages,
4764 					 dump_page_ids, buf_size_in_dwords,
4765 					 &actual_dump_size_in_dwords);
4766 	}
4767 
4768 	/* Overwrite size param */
4769 	if (update_size) {
4770 		u32 section_size = (*dump == continue_dump) ?
4771 		    offset - base_data_offset :
4772 		    actual_dump_size_in_dwords - base_data_offset;
4773 		if (section_size > 0)
4774 			qed_dump_num_param(dump_buf + size_param_offset,
4775 					   *dump, "size", section_size);
4776 		else if ((section_size == 0) && (*dump != continue_dump))
4777 			actual_dump_size_in_dwords -=
4778 			    section_header_and_param_size;
4779 	}
4780 
4781 	*dump = continue_dump;
4782 	*given_offset = offset;
4783 	*given_actual_dump_size_in_dwords = actual_dump_size_in_dwords;
4784 
4785 	return offset;
4786 }
4787 
4788 /* Dumps a section containing the global parameters.
4789  * Part of ilt dump process
4790  * Returns the dumped size in dwords.
4791  */
4792 static u32
qed_ilt_dump_dump_common_global_params(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,bool dump,u32 cduc_page_size,u32 conn_ctx_size,u32 cdut_page_size,u32 * full_dump_size_param_offset,u32 * actual_dump_size_param_offset)4793 qed_ilt_dump_dump_common_global_params(struct qed_hwfn *p_hwfn,
4794 				       struct qed_ptt *p_ptt,
4795 				       u32 *dump_buf,
4796 				       bool dump,
4797 				       u32 cduc_page_size,
4798 				       u32 conn_ctx_size,
4799 				       u32 cdut_page_size,
4800 				       u32 *full_dump_size_param_offset,
4801 				       u32 *actual_dump_size_param_offset)
4802 {
4803 	struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients;
4804 	u32 offset = 0;
4805 
4806 	offset += qed_dump_common_global_params(p_hwfn, p_ptt,
4807 						dump_buf + offset,
4808 						dump, 30);
4809 	offset += qed_dump_str_param(dump_buf + offset,
4810 				     dump,
4811 				     "dump-type", "ilt-dump");
4812 	offset += qed_dump_num_param(dump_buf + offset,
4813 				     dump,
4814 				     "cduc-page-size",
4815 				     cduc_page_size);
4816 	offset += qed_dump_num_param(dump_buf + offset,
4817 				     dump,
4818 				     "cduc-first-page-id",
4819 				     clients[ILT_CLI_CDUC].first.val);
4820 	offset += qed_dump_num_param(dump_buf + offset,
4821 				     dump,
4822 				     "cduc-last-page-id",
4823 				     clients[ILT_CLI_CDUC].last.val);
4824 	offset += qed_dump_num_param(dump_buf + offset,
4825 				     dump,
4826 				     "cduc-num-pf-pages",
4827 				     clients[ILT_CLI_CDUC].pf_total_lines);
4828 	offset += qed_dump_num_param(dump_buf + offset,
4829 				     dump,
4830 				     "cduc-num-vf-pages",
4831 				     clients[ILT_CLI_CDUC].vf_total_lines);
4832 	offset += qed_dump_num_param(dump_buf + offset,
4833 				     dump,
4834 				     "max-conn-ctx-size",
4835 				     conn_ctx_size);
4836 	offset += qed_dump_num_param(dump_buf + offset,
4837 				     dump,
4838 				     "cdut-page-size",
4839 				     cdut_page_size);
4840 	offset += qed_dump_num_param(dump_buf + offset,
4841 				     dump,
4842 				     "cdut-first-page-id",
4843 				     clients[ILT_CLI_CDUT].first.val);
4844 	offset += qed_dump_num_param(dump_buf + offset,
4845 				     dump,
4846 				     "cdut-last-page-id",
4847 				     clients[ILT_CLI_CDUT].last.val);
4848 	offset += qed_dump_num_param(dump_buf + offset,
4849 				     dump,
4850 				     "cdut-num-pf-init-pages",
4851 				     qed_get_cdut_num_pf_init_pages(p_hwfn));
4852 	offset += qed_dump_num_param(dump_buf + offset,
4853 				     dump,
4854 				     "cdut-num-vf-init-pages",
4855 				     qed_get_cdut_num_vf_init_pages(p_hwfn));
4856 	offset += qed_dump_num_param(dump_buf + offset,
4857 				     dump,
4858 				     "cdut-num-pf-work-pages",
4859 				     qed_get_cdut_num_pf_work_pages(p_hwfn));
4860 	offset += qed_dump_num_param(dump_buf + offset,
4861 				     dump,
4862 				     "cdut-num-vf-work-pages",
4863 				     qed_get_cdut_num_vf_work_pages(p_hwfn));
4864 	offset += qed_dump_num_param(dump_buf + offset,
4865 				     dump,
4866 				     "max-task-ctx-size",
4867 				     p_hwfn->p_cxt_mngr->task_ctx_size);
4868 	offset += qed_dump_num_param(dump_buf + offset,
4869 				     dump,
4870 				     "first-vf-id-in-pf",
4871 				     p_hwfn->p_cxt_mngr->first_vf_in_pf);
4872 	offset += qed_dump_num_param(dump_buf + offset,
4873 				     dump,
4874 				     "num-vfs-in-pf",
4875 				     p_hwfn->p_cxt_mngr->vf_count);
4876 	offset += qed_dump_num_param(dump_buf + offset,
4877 				     dump,
4878 				     "ptr-size-bytes",
4879 				     sizeof(void *));
4880 	offset += qed_dump_num_param(dump_buf + offset,
4881 				     dump,
4882 				     "pf-start-line",
4883 				     p_hwfn->p_cxt_mngr->pf_start_line);
4884 	offset += qed_dump_num_param(dump_buf + offset,
4885 				     dump,
4886 				     "page-mem-desc-size-dwords",
4887 				     PAGE_MEM_DESC_SIZE_DWORDS);
4888 	offset += qed_dump_num_param(dump_buf + offset,
4889 				     dump,
4890 				     "ilt-shadow-size",
4891 				     p_hwfn->p_cxt_mngr->ilt_shadow_size);
4892 
4893 	*full_dump_size_param_offset = offset;
4894 
4895 	offset += qed_dump_num_param(dump_buf + offset,
4896 				     dump, "dump-size-full", 0);
4897 
4898 	*actual_dump_size_param_offset = offset;
4899 
4900 	offset += qed_dump_num_param(dump_buf + offset,
4901 				     dump,
4902 				     "dump-size-actual", 0);
4903 	offset += qed_dump_num_param(dump_buf + offset,
4904 				     dump,
4905 				     "iscsi_task_pages",
4906 				     p_hwfn->p_cxt_mngr->iscsi_task_pages);
4907 	offset += qed_dump_num_param(dump_buf + offset,
4908 				     dump,
4909 				     "fcoe_task_pages",
4910 				     p_hwfn->p_cxt_mngr->fcoe_task_pages);
4911 	offset += qed_dump_num_param(dump_buf + offset,
4912 				     dump,
4913 				     "roce_task_pages",
4914 				     p_hwfn->p_cxt_mngr->roce_task_pages);
4915 	offset += qed_dump_num_param(dump_buf + offset,
4916 				     dump,
4917 				     "eth_task_pages",
4918 				     p_hwfn->p_cxt_mngr->eth_task_pages);
4919 	offset += qed_dump_num_param(dump_buf + offset,
4920 				      dump,
4921 				      "src-first-page-id",
4922 				      clients[ILT_CLI_SRC].first.val);
4923 	offset += qed_dump_num_param(dump_buf + offset,
4924 				     dump,
4925 				     "src-last-page-id",
4926 				     clients[ILT_CLI_SRC].last.val);
4927 	offset += qed_dump_num_param(dump_buf + offset,
4928 				     dump,
4929 				     "src-is-active",
4930 				     clients[ILT_CLI_SRC].active);
4931 
4932 	/* Additional/Less parameters require matching of number in call to
4933 	 * dump_common_global_params()
4934 	 */
4935 
4936 	return offset;
4937 }
4938 
4939 /* Dump section containing number of PF CIDs per connection type.
4940  * Part of ilt dump process.
4941  * Returns the dumped size in dwords.
4942  */
qed_ilt_dump_dump_num_pf_cids(struct qed_hwfn * p_hwfn,u32 * dump_buf,bool dump,u32 * valid_conn_pf_cids)4943 static u32 qed_ilt_dump_dump_num_pf_cids(struct qed_hwfn *p_hwfn,
4944 					 u32 *dump_buf,
4945 					 bool dump, u32 *valid_conn_pf_cids)
4946 {
4947 	u32 num_pf_cids = 0;
4948 	u32 offset = 0;
4949 	u8 conn_type;
4950 
4951 	offset += qed_dump_section_hdr(dump_buf + offset,
4952 				       dump, "num_pf_cids_per_conn_type", 1);
4953 	offset += qed_dump_num_param(dump_buf + offset,
4954 				     dump, "size", NUM_OF_CONNECTION_TYPES);
4955 	for (conn_type = 0, *valid_conn_pf_cids = 0;
4956 	     conn_type < NUM_OF_CONNECTION_TYPES; conn_type++, offset++) {
4957 		num_pf_cids = p_hwfn->p_cxt_mngr->conn_cfg[conn_type].cid_count;
4958 		if (dump)
4959 			*(dump_buf + offset) = num_pf_cids;
4960 		*valid_conn_pf_cids += num_pf_cids;
4961 	}
4962 
4963 	return offset;
4964 }
4965 
4966 /* Dump section containing number of VF CIDs per connection type
4967  * Part of ilt dump process.
4968  * Returns the dumped size in dwords.
4969  */
qed_ilt_dump_dump_num_vf_cids(struct qed_hwfn * p_hwfn,u32 * dump_buf,bool dump,u32 * valid_conn_vf_cids)4970 static u32 qed_ilt_dump_dump_num_vf_cids(struct qed_hwfn *p_hwfn,
4971 					 u32 *dump_buf,
4972 					 bool dump, u32 *valid_conn_vf_cids)
4973 {
4974 	u32 num_vf_cids = 0;
4975 	u32 offset = 0;
4976 	u8 conn_type;
4977 
4978 	offset += qed_dump_section_hdr(dump_buf + offset, dump,
4979 				       "num_vf_cids_per_conn_type", 1);
4980 	offset += qed_dump_num_param(dump_buf + offset,
4981 				     dump, "size", NUM_OF_CONNECTION_TYPES);
4982 	for (conn_type = 0, *valid_conn_vf_cids = 0;
4983 	     conn_type < NUM_OF_CONNECTION_TYPES; conn_type++, offset++) {
4984 		num_vf_cids =
4985 		    p_hwfn->p_cxt_mngr->conn_cfg[conn_type].cids_per_vf;
4986 		if (dump)
4987 			*(dump_buf + offset) = num_vf_cids;
4988 		*valid_conn_vf_cids += num_vf_cids;
4989 	}
4990 
4991 	return offset;
4992 }
4993 
4994 /* Performs ILT Dump to the specified buffer.
4995  * buf_size_in_dwords - The dumped buffer size.
4996  * Returns the dumped size in dwords.
4997  */
qed_ilt_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,bool dump)4998 static u32 qed_ilt_dump(struct qed_hwfn *p_hwfn,
4999 			struct qed_ptt *p_ptt,
5000 			u32 *dump_buf, u32 buf_size_in_dwords, bool dump)
5001 {
5002 #if ((!defined VMWARE) && (!defined UEFI))
5003 	struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients;
5004 #endif
5005 	u32 valid_conn_vf_cids = 0,
5006 	    valid_conn_vf_pages, offset = 0, real_dumped_size = 0;
5007 	u32 valid_conn_pf_cids = 0, valid_conn_pf_pages, num_pages;
5008 	u32 num_cids_per_page, conn_ctx_size;
5009 	u32 cduc_page_size, cdut_page_size;
5010 	u32 actual_dump_size_in_dwords = 0;
5011 	struct phys_mem_desc *ilt_pages;
5012 	u32 actul_dump_off = 0;
5013 	u32 last_section_size;
5014 	u32 full_dump_off = 0;
5015 	u32 section_size = 0;
5016 	bool continue_dump;
5017 	u32 page_id;
5018 
5019 	last_section_size = qed_dump_last_section(NULL, 0, false);
5020 	cduc_page_size = 1 <<
5021 	    (clients[ILT_CLI_CDUC].p_size.val + PXP_ILT_PAGE_SIZE_NUM_BITS_MIN);
5022 	cdut_page_size = 1 <<
5023 	    (clients[ILT_CLI_CDUT].p_size.val + PXP_ILT_PAGE_SIZE_NUM_BITS_MIN);
5024 	conn_ctx_size = p_hwfn->p_cxt_mngr->conn_ctx_size;
5025 	num_cids_per_page = (int)(cduc_page_size / conn_ctx_size);
5026 	ilt_pages = p_hwfn->p_cxt_mngr->ilt_shadow;
5027 	continue_dump = dump;
5028 
5029 	/* if need to dump then save memory for the last section
5030 	 * (last section calculates CRC of dumped data)
5031 	 */
5032 	if (dump) {
5033 		if (buf_size_in_dwords >= last_section_size) {
5034 			buf_size_in_dwords -= last_section_size;
5035 		} else {
5036 			continue_dump = false;
5037 			actual_dump_size_in_dwords = offset;
5038 		}
5039 	}
5040 
5041 	/* Dump global params */
5042 
5043 	/* if need to dump then first check that there is enough memory
5044 	 * in dumped buffer for this section calculate the size of this
5045 	 * section without dumping. if there is not enough memory - then
5046 	 * stop the dumping.
5047 	 */
5048 	if (continue_dump) {
5049 		section_size =
5050 			qed_ilt_dump_dump_common_global_params(p_hwfn,
5051 							       p_ptt,
5052 							       NULL,
5053 							       false,
5054 							       cduc_page_size,
5055 							       conn_ctx_size,
5056 							       cdut_page_size,
5057 							       &full_dump_off,
5058 							       &actul_dump_off);
5059 		if (offset + section_size > buf_size_in_dwords) {
5060 			continue_dump = false;
5061 			actual_dump_size_in_dwords = offset;
5062 		}
5063 	}
5064 
5065 	offset += qed_ilt_dump_dump_common_global_params(p_hwfn,
5066 							 p_ptt,
5067 							 dump_buf + offset,
5068 							 continue_dump,
5069 							 cduc_page_size,
5070 							 conn_ctx_size,
5071 							 cdut_page_size,
5072 							 &full_dump_off,
5073 							 &actul_dump_off);
5074 
5075 	/* Dump section containing number of PF CIDs per connection type
5076 	 * If need to dump then first check that there is enough memory in
5077 	 * dumped buffer for this section.
5078 	 */
5079 	if (continue_dump) {
5080 		section_size =
5081 			qed_ilt_dump_dump_num_pf_cids(p_hwfn,
5082 						      NULL,
5083 						      false,
5084 						      &valid_conn_pf_cids);
5085 		if (offset + section_size > buf_size_in_dwords) {
5086 			continue_dump = false;
5087 			actual_dump_size_in_dwords = offset;
5088 		}
5089 	}
5090 
5091 	offset += qed_ilt_dump_dump_num_pf_cids(p_hwfn,
5092 						dump_buf + offset,
5093 						continue_dump,
5094 						&valid_conn_pf_cids);
5095 
5096 	/* Dump section containing number of VF CIDs per connection type
5097 	 * If need to dump then first check that there is enough memory in
5098 	 * dumped buffer for this section.
5099 	 */
5100 	if (continue_dump) {
5101 		section_size =
5102 			qed_ilt_dump_dump_num_vf_cids(p_hwfn,
5103 						      NULL,
5104 						      false,
5105 						      &valid_conn_vf_cids);
5106 		if (offset + section_size > buf_size_in_dwords) {
5107 			continue_dump = false;
5108 			actual_dump_size_in_dwords = offset;
5109 		}
5110 	}
5111 
5112 	offset += qed_ilt_dump_dump_num_vf_cids(p_hwfn,
5113 						dump_buf + offset,
5114 						continue_dump,
5115 						&valid_conn_vf_cids);
5116 
5117 	/* Dump section containing physical memory descriptors for each
5118 	 * ILT page.
5119 	 */
5120 	num_pages = p_hwfn->p_cxt_mngr->ilt_shadow_size;
5121 
5122 	/* If need to dump then first check that there is enough memory
5123 	 * in dumped buffer for the section header.
5124 	 */
5125 	if (continue_dump) {
5126 		section_size = qed_dump_section_hdr(NULL,
5127 						    false,
5128 						    "ilt_page_desc",
5129 						    1) +
5130 		    qed_dump_num_param(NULL,
5131 				       false,
5132 				       "size",
5133 				       num_pages * PAGE_MEM_DESC_SIZE_DWORDS);
5134 		if (offset + section_size > buf_size_in_dwords) {
5135 			continue_dump = false;
5136 			actual_dump_size_in_dwords = offset;
5137 		}
5138 	}
5139 
5140 	offset += qed_dump_section_hdr(dump_buf + offset,
5141 				       continue_dump, "ilt_page_desc", 1);
5142 	offset += qed_dump_num_param(dump_buf + offset,
5143 				     continue_dump,
5144 				     "size",
5145 				     num_pages * PAGE_MEM_DESC_SIZE_DWORDS);
5146 
5147 	/* Copy memory descriptors to dump buffer
5148 	 * If need to dump then dump till the dump buffer size
5149 	 */
5150 	if (continue_dump) {
5151 		for (page_id = 0; page_id < num_pages;
5152 		     page_id++, offset += PAGE_MEM_DESC_SIZE_DWORDS) {
5153 			if (continue_dump &&
5154 			    (offset + PAGE_MEM_DESC_SIZE_DWORDS <=
5155 			     buf_size_in_dwords)) {
5156 				memcpy(dump_buf + offset,
5157 				       &ilt_pages[page_id],
5158 				       DWORDS_TO_BYTES
5159 				       (PAGE_MEM_DESC_SIZE_DWORDS));
5160 			} else {
5161 				if (continue_dump) {
5162 					continue_dump = false;
5163 					actual_dump_size_in_dwords = offset;
5164 				}
5165 			}
5166 		}
5167 	} else {
5168 		offset += num_pages * PAGE_MEM_DESC_SIZE_DWORDS;
5169 	}
5170 
5171 	valid_conn_pf_pages = DIV_ROUND_UP(valid_conn_pf_cids,
5172 					   num_cids_per_page);
5173 	valid_conn_vf_pages = DIV_ROUND_UP(valid_conn_vf_cids,
5174 					   num_cids_per_page);
5175 
5176 	/* Dump ILT pages IDs */
5177 	qed_ilt_dump_pages_section(p_hwfn, dump_buf, &offset, &continue_dump,
5178 				   valid_conn_pf_pages, valid_conn_vf_pages,
5179 				   ilt_pages, true, buf_size_in_dwords,
5180 				   &actual_dump_size_in_dwords);
5181 
5182 	/* Dump ILT pages memory */
5183 	qed_ilt_dump_pages_section(p_hwfn, dump_buf, &offset, &continue_dump,
5184 				   valid_conn_pf_pages, valid_conn_vf_pages,
5185 				   ilt_pages, false, buf_size_in_dwords,
5186 				   &actual_dump_size_in_dwords);
5187 
5188 	real_dumped_size =
5189 	    (continue_dump == dump) ? offset : actual_dump_size_in_dwords;
5190 	qed_dump_num_param(dump_buf + full_dump_off, dump,
5191 			   "full-dump-size", offset + last_section_size);
5192 	qed_dump_num_param(dump_buf + actul_dump_off,
5193 			   dump,
5194 			   "actual-dump-size",
5195 			   real_dumped_size + last_section_size);
5196 
5197 	/* Dump last section */
5198 	real_dumped_size += qed_dump_last_section(dump_buf,
5199 						  real_dumped_size, dump);
5200 
5201 	return real_dumped_size;
5202 }
5203 
5204 /***************************** Public Functions *******************************/
5205 
qed_dbg_set_bin_ptr(struct qed_hwfn * p_hwfn,const u8 * const bin_ptr)5206 enum dbg_status qed_dbg_set_bin_ptr(struct qed_hwfn *p_hwfn,
5207 				    const u8 * const bin_ptr)
5208 {
5209 	struct bin_buffer_hdr *buf_hdrs = (struct bin_buffer_hdr *)bin_ptr;
5210 	u8 buf_id;
5211 
5212 	/* Convert binary data to debug arrays */
5213 	for (buf_id = 0; buf_id < MAX_BIN_DBG_BUFFER_TYPE; buf_id++)
5214 		qed_set_dbg_bin_buf(p_hwfn,
5215 				    buf_id,
5216 				    (u32 *)(bin_ptr + buf_hdrs[buf_id].offset),
5217 				    buf_hdrs[buf_id].length);
5218 
5219 	return DBG_STATUS_OK;
5220 }
5221 
qed_dbg_set_app_ver(u32 ver)5222 static enum dbg_status qed_dbg_set_app_ver(u32 ver)
5223 {
5224 	if (ver < TOOLS_VERSION)
5225 		return DBG_STATUS_UNSUPPORTED_APP_VERSION;
5226 
5227 	s_app_ver = ver;
5228 
5229 	return DBG_STATUS_OK;
5230 }
5231 
qed_read_fw_info(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct fw_info * fw_info)5232 bool qed_read_fw_info(struct qed_hwfn *p_hwfn,
5233 		      struct qed_ptt *p_ptt, struct fw_info *fw_info)
5234 {
5235 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
5236 	u8 storm_id;
5237 
5238 	for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) {
5239 		struct storm_defs *storm = &s_storm_defs[storm_id];
5240 
5241 		/* Skip Storm if it's in reset */
5242 		if (dev_data->block_in_reset[storm->sem_block_id])
5243 			continue;
5244 
5245 		/* Read FW info for the current Storm */
5246 		qed_read_storm_fw_info(p_hwfn, p_ptt, storm_id, fw_info);
5247 
5248 		return true;
5249 	}
5250 
5251 	return false;
5252 }
5253 
qed_dbg_grc_config(struct qed_hwfn * p_hwfn,enum dbg_grc_params grc_param,u32 val)5254 enum dbg_status qed_dbg_grc_config(struct qed_hwfn *p_hwfn,
5255 				   enum dbg_grc_params grc_param, u32 val)
5256 {
5257 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
5258 	enum dbg_status status;
5259 	int i;
5260 
5261 	DP_VERBOSE(p_hwfn,
5262 		   QED_MSG_DEBUG,
5263 		   "dbg_grc_config: paramId = %d, val = %d\n", grc_param, val);
5264 
5265 	status = qed_dbg_dev_init(p_hwfn);
5266 	if (status != DBG_STATUS_OK)
5267 		return status;
5268 
5269 	/* Initializes the GRC parameters (if not initialized). Needed in order
5270 	 * to set the default parameter values for the first time.
5271 	 */
5272 	qed_dbg_grc_init_params(p_hwfn);
5273 
5274 	if (grc_param >= MAX_DBG_GRC_PARAMS)
5275 		return DBG_STATUS_INVALID_ARGS;
5276 	if (val < s_grc_param_defs[grc_param].min ||
5277 	    val > s_grc_param_defs[grc_param].max)
5278 		return DBG_STATUS_INVALID_ARGS;
5279 
5280 	if (s_grc_param_defs[grc_param].is_preset) {
5281 		/* Preset param */
5282 
5283 		/* Disabling a preset is not allowed. Call
5284 		 * dbg_grc_set_params_default instead.
5285 		 */
5286 		if (!val)
5287 			return DBG_STATUS_INVALID_ARGS;
5288 
5289 		/* Update all params with the preset values */
5290 		for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) {
5291 			struct grc_param_defs *defs = &s_grc_param_defs[i];
5292 			u32 preset_val;
5293 			/* Skip persistent params */
5294 			if (defs->is_persistent)
5295 				continue;
5296 
5297 			/* Find preset value */
5298 			if (grc_param == DBG_GRC_PARAM_EXCLUDE_ALL)
5299 				preset_val =
5300 				    defs->exclude_all_preset_val;
5301 			else if (grc_param == DBG_GRC_PARAM_CRASH)
5302 				preset_val =
5303 				    defs->crash_preset_val[dev_data->chip_id];
5304 			else
5305 				return DBG_STATUS_INVALID_ARGS;
5306 
5307 			qed_grc_set_param(p_hwfn, i, preset_val);
5308 		}
5309 	} else {
5310 		/* Regular param - set its value */
5311 		qed_grc_set_param(p_hwfn, grc_param, val);
5312 	}
5313 
5314 	return DBG_STATUS_OK;
5315 }
5316 
5317 /* Assign default GRC param values */
qed_dbg_grc_set_params_default(struct qed_hwfn * p_hwfn)5318 void qed_dbg_grc_set_params_default(struct qed_hwfn *p_hwfn)
5319 {
5320 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
5321 	u32 i;
5322 
5323 	for (i = 0; i < MAX_DBG_GRC_PARAMS; i++)
5324 		if (!s_grc_param_defs[i].is_persistent)
5325 			dev_data->grc.param_val[i] =
5326 			    s_grc_param_defs[i].default_val[dev_data->chip_id];
5327 }
5328 
qed_dbg_grc_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5329 enum dbg_status qed_dbg_grc_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5330 					      struct qed_ptt *p_ptt,
5331 					      u32 *buf_size)
5332 {
5333 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5334 
5335 	*buf_size = 0;
5336 
5337 	if (status != DBG_STATUS_OK)
5338 		return status;
5339 
5340 	if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr ||
5341 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_REG].ptr ||
5342 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_MEM].ptr ||
5343 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_BLOCKS].ptr ||
5344 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_REGS].ptr)
5345 		return DBG_STATUS_DBG_ARRAY_NOT_SET;
5346 
5347 	return qed_grc_dump(p_hwfn, p_ptt, NULL, false, buf_size);
5348 }
5349 
qed_dbg_grc_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5350 enum dbg_status qed_dbg_grc_dump(struct qed_hwfn *p_hwfn,
5351 				 struct qed_ptt *p_ptt,
5352 				 u32 *dump_buf,
5353 				 u32 buf_size_in_dwords,
5354 				 u32 *num_dumped_dwords)
5355 {
5356 	u32 needed_buf_size_in_dwords;
5357 	enum dbg_status status;
5358 
5359 	*num_dumped_dwords = 0;
5360 
5361 	status = qed_dbg_grc_get_dump_buf_size(p_hwfn,
5362 					       p_ptt,
5363 					       &needed_buf_size_in_dwords);
5364 	if (status != DBG_STATUS_OK)
5365 		return status;
5366 
5367 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5368 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5369 
5370 	/* Doesn't do anything, needed for compile time asserts */
5371 	qed_static_asserts();
5372 
5373 	/* GRC Dump */
5374 	status = qed_grc_dump(p_hwfn, p_ptt, dump_buf, true, num_dumped_dwords);
5375 
5376 	/* Revert GRC params to their default */
5377 	qed_dbg_grc_set_params_default(p_hwfn);
5378 
5379 	return status;
5380 }
5381 
qed_dbg_idle_chk_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5382 enum dbg_status qed_dbg_idle_chk_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5383 						   struct qed_ptt *p_ptt,
5384 						   u32 *buf_size)
5385 {
5386 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
5387 	struct idle_chk_data *idle_chk = &dev_data->idle_chk;
5388 	enum dbg_status status;
5389 
5390 	*buf_size = 0;
5391 
5392 	status = qed_dbg_dev_init(p_hwfn);
5393 	if (status != DBG_STATUS_OK)
5394 		return status;
5395 
5396 	if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr ||
5397 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_REGS].ptr ||
5398 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_IMMS].ptr ||
5399 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_RULES].ptr)
5400 		return DBG_STATUS_DBG_ARRAY_NOT_SET;
5401 
5402 	if (!idle_chk->buf_size_set) {
5403 		idle_chk->buf_size = qed_idle_chk_dump(p_hwfn,
5404 						       p_ptt, NULL, false);
5405 		idle_chk->buf_size_set = true;
5406 	}
5407 
5408 	*buf_size = idle_chk->buf_size;
5409 
5410 	return DBG_STATUS_OK;
5411 }
5412 
qed_dbg_idle_chk_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5413 enum dbg_status qed_dbg_idle_chk_dump(struct qed_hwfn *p_hwfn,
5414 				      struct qed_ptt *p_ptt,
5415 				      u32 *dump_buf,
5416 				      u32 buf_size_in_dwords,
5417 				      u32 *num_dumped_dwords)
5418 {
5419 	u32 needed_buf_size_in_dwords;
5420 	enum dbg_status status;
5421 
5422 	*num_dumped_dwords = 0;
5423 
5424 	status = qed_dbg_idle_chk_get_dump_buf_size(p_hwfn,
5425 						    p_ptt,
5426 						    &needed_buf_size_in_dwords);
5427 	if (status != DBG_STATUS_OK)
5428 		return status;
5429 
5430 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5431 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5432 
5433 	/* Update reset state */
5434 	qed_grc_unreset_blocks(p_hwfn, p_ptt, true);
5435 	qed_update_blocks_reset_state(p_hwfn, p_ptt);
5436 
5437 	/* Idle Check Dump */
5438 	*num_dumped_dwords = qed_idle_chk_dump(p_hwfn, p_ptt, dump_buf, true);
5439 
5440 	/* Revert GRC params to their default */
5441 	qed_dbg_grc_set_params_default(p_hwfn);
5442 
5443 	return DBG_STATUS_OK;
5444 }
5445 
qed_dbg_mcp_trace_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5446 enum dbg_status qed_dbg_mcp_trace_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5447 						    struct qed_ptt *p_ptt,
5448 						    u32 *buf_size)
5449 {
5450 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5451 
5452 	*buf_size = 0;
5453 
5454 	if (status != DBG_STATUS_OK)
5455 		return status;
5456 
5457 	return qed_mcp_trace_dump(p_hwfn, p_ptt, NULL, false, buf_size);
5458 }
5459 
qed_dbg_mcp_trace_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5460 enum dbg_status qed_dbg_mcp_trace_dump(struct qed_hwfn *p_hwfn,
5461 				       struct qed_ptt *p_ptt,
5462 				       u32 *dump_buf,
5463 				       u32 buf_size_in_dwords,
5464 				       u32 *num_dumped_dwords)
5465 {
5466 	u32 needed_buf_size_in_dwords;
5467 	enum dbg_status status;
5468 
5469 	status =
5470 		qed_dbg_mcp_trace_get_dump_buf_size(p_hwfn,
5471 						    p_ptt,
5472 						    &needed_buf_size_in_dwords);
5473 	if (status != DBG_STATUS_OK && status !=
5474 	    DBG_STATUS_NVRAM_GET_IMAGE_FAILED)
5475 		return status;
5476 
5477 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5478 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5479 
5480 	/* Update reset state */
5481 	qed_update_blocks_reset_state(p_hwfn, p_ptt);
5482 
5483 	/* Perform dump */
5484 	status = qed_mcp_trace_dump(p_hwfn,
5485 				    p_ptt, dump_buf, true, num_dumped_dwords);
5486 
5487 	/* Revert GRC params to their default */
5488 	qed_dbg_grc_set_params_default(p_hwfn);
5489 
5490 	return status;
5491 }
5492 
qed_dbg_reg_fifo_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5493 enum dbg_status qed_dbg_reg_fifo_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5494 						   struct qed_ptt *p_ptt,
5495 						   u32 *buf_size)
5496 {
5497 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5498 
5499 	*buf_size = 0;
5500 
5501 	if (status != DBG_STATUS_OK)
5502 		return status;
5503 
5504 	return qed_reg_fifo_dump(p_hwfn, p_ptt, NULL, false, buf_size);
5505 }
5506 
qed_dbg_reg_fifo_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5507 enum dbg_status qed_dbg_reg_fifo_dump(struct qed_hwfn *p_hwfn,
5508 				      struct qed_ptt *p_ptt,
5509 				      u32 *dump_buf,
5510 				      u32 buf_size_in_dwords,
5511 				      u32 *num_dumped_dwords)
5512 {
5513 	u32 needed_buf_size_in_dwords;
5514 	enum dbg_status status;
5515 
5516 	*num_dumped_dwords = 0;
5517 
5518 	status = qed_dbg_reg_fifo_get_dump_buf_size(p_hwfn,
5519 						    p_ptt,
5520 						    &needed_buf_size_in_dwords);
5521 	if (status != DBG_STATUS_OK)
5522 		return status;
5523 
5524 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5525 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5526 
5527 	/* Update reset state */
5528 	qed_update_blocks_reset_state(p_hwfn, p_ptt);
5529 
5530 	status = qed_reg_fifo_dump(p_hwfn,
5531 				   p_ptt, dump_buf, true, num_dumped_dwords);
5532 
5533 	/* Revert GRC params to their default */
5534 	qed_dbg_grc_set_params_default(p_hwfn);
5535 
5536 	return status;
5537 }
5538 
qed_dbg_igu_fifo_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5539 enum dbg_status qed_dbg_igu_fifo_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5540 						   struct qed_ptt *p_ptt,
5541 						   u32 *buf_size)
5542 {
5543 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5544 
5545 	*buf_size = 0;
5546 
5547 	if (status != DBG_STATUS_OK)
5548 		return status;
5549 
5550 	return qed_igu_fifo_dump(p_hwfn, p_ptt, NULL, false, buf_size);
5551 }
5552 
qed_dbg_igu_fifo_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5553 enum dbg_status qed_dbg_igu_fifo_dump(struct qed_hwfn *p_hwfn,
5554 				      struct qed_ptt *p_ptt,
5555 				      u32 *dump_buf,
5556 				      u32 buf_size_in_dwords,
5557 				      u32 *num_dumped_dwords)
5558 {
5559 	u32 needed_buf_size_in_dwords;
5560 	enum dbg_status status;
5561 
5562 	*num_dumped_dwords = 0;
5563 
5564 	status = qed_dbg_igu_fifo_get_dump_buf_size(p_hwfn,
5565 						    p_ptt,
5566 						    &needed_buf_size_in_dwords);
5567 	if (status != DBG_STATUS_OK)
5568 		return status;
5569 
5570 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5571 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5572 
5573 	/* Update reset state */
5574 	qed_update_blocks_reset_state(p_hwfn, p_ptt);
5575 
5576 	status = qed_igu_fifo_dump(p_hwfn,
5577 				   p_ptt, dump_buf, true, num_dumped_dwords);
5578 	/* Revert GRC params to their default */
5579 	qed_dbg_grc_set_params_default(p_hwfn);
5580 
5581 	return status;
5582 }
5583 
5584 enum dbg_status
qed_dbg_protection_override_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5585 qed_dbg_protection_override_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5586 					      struct qed_ptt *p_ptt,
5587 					      u32 *buf_size)
5588 {
5589 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5590 
5591 	*buf_size = 0;
5592 
5593 	if (status != DBG_STATUS_OK)
5594 		return status;
5595 
5596 	return qed_protection_override_dump(p_hwfn,
5597 					    p_ptt, NULL, false, buf_size);
5598 }
5599 
qed_dbg_protection_override_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5600 enum dbg_status qed_dbg_protection_override_dump(struct qed_hwfn *p_hwfn,
5601 						 struct qed_ptt *p_ptt,
5602 						 u32 *dump_buf,
5603 						 u32 buf_size_in_dwords,
5604 						 u32 *num_dumped_dwords)
5605 {
5606 	u32 needed_buf_size_in_dwords, *p_size = &needed_buf_size_in_dwords;
5607 	enum dbg_status status;
5608 
5609 	*num_dumped_dwords = 0;
5610 
5611 	status =
5612 		qed_dbg_protection_override_get_dump_buf_size(p_hwfn,
5613 							      p_ptt,
5614 							      p_size);
5615 	if (status != DBG_STATUS_OK)
5616 		return status;
5617 
5618 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5619 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5620 
5621 	/* Update reset state */
5622 	qed_update_blocks_reset_state(p_hwfn, p_ptt);
5623 
5624 	status = qed_protection_override_dump(p_hwfn,
5625 					      p_ptt,
5626 					      dump_buf,
5627 					      true, num_dumped_dwords);
5628 
5629 	/* Revert GRC params to their default */
5630 	qed_dbg_grc_set_params_default(p_hwfn);
5631 
5632 	return status;
5633 }
5634 
qed_dbg_fw_asserts_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5635 enum dbg_status qed_dbg_fw_asserts_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5636 						     struct qed_ptt *p_ptt,
5637 						     u32 *buf_size)
5638 {
5639 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5640 
5641 	*buf_size = 0;
5642 
5643 	if (status != DBG_STATUS_OK)
5644 		return status;
5645 
5646 	/* Update reset state */
5647 	qed_update_blocks_reset_state(p_hwfn, p_ptt);
5648 
5649 	*buf_size = qed_fw_asserts_dump(p_hwfn, p_ptt, NULL, false);
5650 
5651 	return DBG_STATUS_OK;
5652 }
5653 
qed_dbg_fw_asserts_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5654 enum dbg_status qed_dbg_fw_asserts_dump(struct qed_hwfn *p_hwfn,
5655 					struct qed_ptt *p_ptt,
5656 					u32 *dump_buf,
5657 					u32 buf_size_in_dwords,
5658 					u32 *num_dumped_dwords)
5659 {
5660 	u32 needed_buf_size_in_dwords, *p_size = &needed_buf_size_in_dwords;
5661 	enum dbg_status status;
5662 
5663 	*num_dumped_dwords = 0;
5664 
5665 	status =
5666 		qed_dbg_fw_asserts_get_dump_buf_size(p_hwfn,
5667 						     p_ptt,
5668 						     p_size);
5669 	if (status != DBG_STATUS_OK)
5670 		return status;
5671 
5672 	if (buf_size_in_dwords < needed_buf_size_in_dwords)
5673 		return DBG_STATUS_DUMP_BUF_TOO_SMALL;
5674 
5675 	*num_dumped_dwords = qed_fw_asserts_dump(p_hwfn, p_ptt, dump_buf, true);
5676 
5677 	/* Revert GRC params to their default */
5678 	qed_dbg_grc_set_params_default(p_hwfn);
5679 
5680 	return DBG_STATUS_OK;
5681 }
5682 
qed_dbg_ilt_get_dump_buf_size(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * buf_size)5683 static enum dbg_status qed_dbg_ilt_get_dump_buf_size(struct qed_hwfn *p_hwfn,
5684 						     struct qed_ptt *p_ptt,
5685 						     u32 *buf_size)
5686 {
5687 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5688 
5689 	*buf_size = 0;
5690 
5691 	if (status != DBG_STATUS_OK)
5692 		return status;
5693 
5694 	*buf_size = qed_ilt_dump(p_hwfn, p_ptt, NULL, 0, false);
5695 
5696 	return DBG_STATUS_OK;
5697 }
5698 
qed_dbg_ilt_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 * dump_buf,u32 buf_size_in_dwords,u32 * num_dumped_dwords)5699 static enum dbg_status qed_dbg_ilt_dump(struct qed_hwfn *p_hwfn,
5700 					struct qed_ptt *p_ptt,
5701 					u32 *dump_buf,
5702 					u32 buf_size_in_dwords,
5703 					u32 *num_dumped_dwords)
5704 {
5705 	*num_dumped_dwords = qed_ilt_dump(p_hwfn,
5706 					  p_ptt,
5707 					  dump_buf, buf_size_in_dwords, true);
5708 
5709 	/* Reveret GRC params to their default */
5710 	qed_dbg_grc_set_params_default(p_hwfn);
5711 
5712 	return DBG_STATUS_OK;
5713 }
5714 
qed_dbg_read_attn(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum block_id block_id,enum dbg_attn_type attn_type,bool clear_status,struct dbg_attn_block_result * results)5715 enum dbg_status qed_dbg_read_attn(struct qed_hwfn *p_hwfn,
5716 				  struct qed_ptt *p_ptt,
5717 				  enum block_id block_id,
5718 				  enum dbg_attn_type attn_type,
5719 				  bool clear_status,
5720 				  struct dbg_attn_block_result *results)
5721 {
5722 	enum dbg_status status = qed_dbg_dev_init(p_hwfn);
5723 	u8 reg_idx, num_attn_regs, num_result_regs = 0;
5724 	const struct dbg_attn_reg *attn_reg_arr;
5725 
5726 	if (status != DBG_STATUS_OK)
5727 		return status;
5728 
5729 	if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr ||
5730 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_BLOCKS].ptr ||
5731 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_REGS].ptr)
5732 		return DBG_STATUS_DBG_ARRAY_NOT_SET;
5733 
5734 	attn_reg_arr = qed_get_block_attn_regs(p_hwfn,
5735 					       block_id,
5736 					       attn_type, &num_attn_regs);
5737 
5738 	for (reg_idx = 0; reg_idx < num_attn_regs; reg_idx++) {
5739 		const struct dbg_attn_reg *reg_data = &attn_reg_arr[reg_idx];
5740 		struct dbg_attn_reg_result *reg_result;
5741 		u32 sts_addr, sts_val;
5742 		u16 modes_buf_offset;
5743 		bool eval_mode;
5744 
5745 		/* Check mode */
5746 		eval_mode = GET_FIELD(reg_data->mode.data,
5747 				      DBG_MODE_HDR_EVAL_MODE) > 0;
5748 		modes_buf_offset = GET_FIELD(reg_data->mode.data,
5749 					     DBG_MODE_HDR_MODES_BUF_OFFSET);
5750 		if (eval_mode && !qed_is_mode_match(p_hwfn, &modes_buf_offset))
5751 			continue;
5752 
5753 		/* Mode match - read attention status register */
5754 		sts_addr = DWORDS_TO_BYTES(clear_status ?
5755 					   reg_data->sts_clr_address :
5756 					   GET_FIELD(reg_data->data,
5757 						     DBG_ATTN_REG_STS_ADDRESS));
5758 		sts_val = qed_rd(p_hwfn, p_ptt, sts_addr);
5759 		if (!sts_val)
5760 			continue;
5761 
5762 		/* Non-zero attention status - add to results */
5763 		reg_result = &results->reg_results[num_result_regs];
5764 		SET_FIELD(reg_result->data,
5765 			  DBG_ATTN_REG_RESULT_STS_ADDRESS, sts_addr);
5766 		SET_FIELD(reg_result->data,
5767 			  DBG_ATTN_REG_RESULT_NUM_REG_ATTN,
5768 			  GET_FIELD(reg_data->data, DBG_ATTN_REG_NUM_REG_ATTN));
5769 		reg_result->block_attn_offset = reg_data->block_attn_offset;
5770 		reg_result->sts_val = sts_val;
5771 		reg_result->mask_val = qed_rd(p_hwfn,
5772 					      p_ptt,
5773 					      DWORDS_TO_BYTES
5774 					      (reg_data->mask_address));
5775 		num_result_regs++;
5776 	}
5777 
5778 	results->block_id = (u8)block_id;
5779 	results->names_offset =
5780 	    qed_get_block_attn_data(p_hwfn, block_id, attn_type)->names_offset;
5781 	SET_FIELD(results->data, DBG_ATTN_BLOCK_RESULT_ATTN_TYPE, attn_type);
5782 	SET_FIELD(results->data,
5783 		  DBG_ATTN_BLOCK_RESULT_NUM_REGS, num_result_regs);
5784 
5785 	return DBG_STATUS_OK;
5786 }
5787 
5788 /******************************* Data Types **********************************/
5789 
5790 /* REG fifo element */
5791 struct reg_fifo_element {
5792 	u64 data;
5793 #define REG_FIFO_ELEMENT_ADDRESS_SHIFT		0
5794 #define REG_FIFO_ELEMENT_ADDRESS_MASK		0x7fffff
5795 #define REG_FIFO_ELEMENT_ACCESS_SHIFT		23
5796 #define REG_FIFO_ELEMENT_ACCESS_MASK		0x1
5797 #define REG_FIFO_ELEMENT_PF_SHIFT		24
5798 #define REG_FIFO_ELEMENT_PF_MASK		0xf
5799 #define REG_FIFO_ELEMENT_VF_SHIFT		28
5800 #define REG_FIFO_ELEMENT_VF_MASK		0xff
5801 #define REG_FIFO_ELEMENT_PORT_SHIFT		36
5802 #define REG_FIFO_ELEMENT_PORT_MASK		0x3
5803 #define REG_FIFO_ELEMENT_PRIVILEGE_SHIFT	38
5804 #define REG_FIFO_ELEMENT_PRIVILEGE_MASK		0x3
5805 #define REG_FIFO_ELEMENT_PROTECTION_SHIFT	40
5806 #define REG_FIFO_ELEMENT_PROTECTION_MASK	0x7
5807 #define REG_FIFO_ELEMENT_MASTER_SHIFT		43
5808 #define REG_FIFO_ELEMENT_MASTER_MASK		0xf
5809 #define REG_FIFO_ELEMENT_ERROR_SHIFT		47
5810 #define REG_FIFO_ELEMENT_ERROR_MASK		0x1f
5811 };
5812 
5813 /* REG fifo error element */
5814 struct reg_fifo_err {
5815 	u32 err_code;
5816 	const char *err_msg;
5817 };
5818 
5819 /* IGU fifo element */
5820 struct igu_fifo_element {
5821 	u32 dword0;
5822 #define IGU_FIFO_ELEMENT_DWORD0_FID_SHIFT		0
5823 #define IGU_FIFO_ELEMENT_DWORD0_FID_MASK		0xff
5824 #define IGU_FIFO_ELEMENT_DWORD0_IS_PF_SHIFT		8
5825 #define IGU_FIFO_ELEMENT_DWORD0_IS_PF_MASK		0x1
5826 #define IGU_FIFO_ELEMENT_DWORD0_SOURCE_SHIFT		9
5827 #define IGU_FIFO_ELEMENT_DWORD0_SOURCE_MASK		0xf
5828 #define IGU_FIFO_ELEMENT_DWORD0_ERR_TYPE_SHIFT		13
5829 #define IGU_FIFO_ELEMENT_DWORD0_ERR_TYPE_MASK		0xf
5830 #define IGU_FIFO_ELEMENT_DWORD0_CMD_ADDR_SHIFT		17
5831 #define IGU_FIFO_ELEMENT_DWORD0_CMD_ADDR_MASK		0x7fff
5832 	u32 dword1;
5833 	u32 dword2;
5834 #define IGU_FIFO_ELEMENT_DWORD12_IS_WR_CMD_SHIFT	0
5835 #define IGU_FIFO_ELEMENT_DWORD12_IS_WR_CMD_MASK		0x1
5836 #define IGU_FIFO_ELEMENT_DWORD12_WR_DATA_SHIFT		1
5837 #define IGU_FIFO_ELEMENT_DWORD12_WR_DATA_MASK		0xffffffff
5838 	u32 reserved;
5839 };
5840 
5841 struct igu_fifo_wr_data {
5842 	u32 data;
5843 #define IGU_FIFO_WR_DATA_PROD_CONS_SHIFT		0
5844 #define IGU_FIFO_WR_DATA_PROD_CONS_MASK			0xffffff
5845 #define IGU_FIFO_WR_DATA_UPDATE_FLAG_SHIFT		24
5846 #define IGU_FIFO_WR_DATA_UPDATE_FLAG_MASK		0x1
5847 #define IGU_FIFO_WR_DATA_EN_DIS_INT_FOR_SB_SHIFT	25
5848 #define IGU_FIFO_WR_DATA_EN_DIS_INT_FOR_SB_MASK		0x3
5849 #define IGU_FIFO_WR_DATA_SEGMENT_SHIFT			27
5850 #define IGU_FIFO_WR_DATA_SEGMENT_MASK			0x1
5851 #define IGU_FIFO_WR_DATA_TIMER_MASK_SHIFT		28
5852 #define IGU_FIFO_WR_DATA_TIMER_MASK_MASK		0x1
5853 #define IGU_FIFO_WR_DATA_CMD_TYPE_SHIFT			31
5854 #define IGU_FIFO_WR_DATA_CMD_TYPE_MASK			0x1
5855 };
5856 
5857 struct igu_fifo_cleanup_wr_data {
5858 	u32 data;
5859 #define IGU_FIFO_CLEANUP_WR_DATA_RESERVED_SHIFT		0
5860 #define IGU_FIFO_CLEANUP_WR_DATA_RESERVED_MASK		0x7ffffff
5861 #define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_VAL_SHIFT	27
5862 #define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_VAL_MASK	0x1
5863 #define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_TYPE_SHIFT	28
5864 #define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_TYPE_MASK	0x7
5865 #define IGU_FIFO_CLEANUP_WR_DATA_CMD_TYPE_SHIFT		31
5866 #define IGU_FIFO_CLEANUP_WR_DATA_CMD_TYPE_MASK		0x1
5867 };
5868 
5869 /* Protection override element */
5870 struct protection_override_element {
5871 	u64 data;
5872 #define PROTECTION_OVERRIDE_ELEMENT_ADDRESS_SHIFT		0
5873 #define PROTECTION_OVERRIDE_ELEMENT_ADDRESS_MASK		0x7fffff
5874 #define PROTECTION_OVERRIDE_ELEMENT_WINDOW_SIZE_SHIFT		23
5875 #define PROTECTION_OVERRIDE_ELEMENT_WINDOW_SIZE_MASK		0xffffff
5876 #define PROTECTION_OVERRIDE_ELEMENT_READ_SHIFT			47
5877 #define PROTECTION_OVERRIDE_ELEMENT_READ_MASK			0x1
5878 #define PROTECTION_OVERRIDE_ELEMENT_WRITE_SHIFT			48
5879 #define PROTECTION_OVERRIDE_ELEMENT_WRITE_MASK			0x1
5880 #define PROTECTION_OVERRIDE_ELEMENT_READ_PROTECTION_SHIFT	49
5881 #define PROTECTION_OVERRIDE_ELEMENT_READ_PROTECTION_MASK	0x7
5882 #define PROTECTION_OVERRIDE_ELEMENT_WRITE_PROTECTION_SHIFT	52
5883 #define PROTECTION_OVERRIDE_ELEMENT_WRITE_PROTECTION_MASK	0x7
5884 };
5885 
5886 enum igu_fifo_sources {
5887 	IGU_SRC_PXP0,
5888 	IGU_SRC_PXP1,
5889 	IGU_SRC_PXP2,
5890 	IGU_SRC_PXP3,
5891 	IGU_SRC_PXP4,
5892 	IGU_SRC_PXP5,
5893 	IGU_SRC_PXP6,
5894 	IGU_SRC_PXP7,
5895 	IGU_SRC_CAU,
5896 	IGU_SRC_ATTN,
5897 	IGU_SRC_GRC
5898 };
5899 
5900 enum igu_fifo_addr_types {
5901 	IGU_ADDR_TYPE_MSIX_MEM,
5902 	IGU_ADDR_TYPE_WRITE_PBA,
5903 	IGU_ADDR_TYPE_WRITE_INT_ACK,
5904 	IGU_ADDR_TYPE_WRITE_ATTN_BITS,
5905 	IGU_ADDR_TYPE_READ_INT,
5906 	IGU_ADDR_TYPE_WRITE_PROD_UPDATE,
5907 	IGU_ADDR_TYPE_RESERVED
5908 };
5909 
5910 struct igu_fifo_addr_data {
5911 	u16 start_addr;
5912 	u16 end_addr;
5913 	char *desc;
5914 	char *vf_desc;
5915 	enum igu_fifo_addr_types type;
5916 };
5917 
5918 /******************************** Constants **********************************/
5919 
5920 #define MAX_MSG_LEN				1024
5921 
5922 #define MCP_TRACE_MAX_MODULE_LEN		8
5923 #define MCP_TRACE_FORMAT_MAX_PARAMS		3
5924 #define MCP_TRACE_FORMAT_PARAM_WIDTH \
5925 	(MCP_TRACE_FORMAT_P2_SIZE_OFFSET - MCP_TRACE_FORMAT_P1_SIZE_OFFSET)
5926 
5927 #define REG_FIFO_ELEMENT_ADDR_FACTOR		4
5928 #define REG_FIFO_ELEMENT_IS_PF_VF_VAL		127
5929 
5930 #define PROTECTION_OVERRIDE_ELEMENT_ADDR_FACTOR	4
5931 
5932 /***************************** Constant Arrays *******************************/
5933 
5934 /* Status string array */
5935 static const char * const s_status_str[] = {
5936 	/* DBG_STATUS_OK */
5937 	"Operation completed successfully",
5938 
5939 	/* DBG_STATUS_APP_VERSION_NOT_SET */
5940 	"Debug application version wasn't set",
5941 
5942 	/* DBG_STATUS_UNSUPPORTED_APP_VERSION */
5943 	"Unsupported debug application version",
5944 
5945 	/* DBG_STATUS_DBG_BLOCK_NOT_RESET */
5946 	"The debug block wasn't reset since the last recording",
5947 
5948 	/* DBG_STATUS_INVALID_ARGS */
5949 	"Invalid arguments",
5950 
5951 	/* DBG_STATUS_OUTPUT_ALREADY_SET */
5952 	"The debug output was already set",
5953 
5954 	/* DBG_STATUS_INVALID_PCI_BUF_SIZE */
5955 	"Invalid PCI buffer size",
5956 
5957 	/* DBG_STATUS_PCI_BUF_ALLOC_FAILED */
5958 	"PCI buffer allocation failed",
5959 
5960 	/* DBG_STATUS_PCI_BUF_NOT_ALLOCATED */
5961 	"A PCI buffer wasn't allocated",
5962 
5963 	/* DBG_STATUS_INVALID_FILTER_TRIGGER_DWORDS */
5964 	"The filter/trigger constraint dword offsets are not enabled for recording",
5965 	/* DBG_STATUS_NO_MATCHING_FRAMING_MODE */
5966 	"No matching framing mode",
5967 
5968 	/* DBG_STATUS_VFC_READ_ERROR */
5969 	"Error reading from VFC",
5970 
5971 	/* DBG_STATUS_STORM_ALREADY_ENABLED */
5972 	"The Storm was already enabled",
5973 
5974 	/* DBG_STATUS_STORM_NOT_ENABLED */
5975 	"The specified Storm wasn't enabled",
5976 
5977 	/* DBG_STATUS_BLOCK_ALREADY_ENABLED */
5978 	"The block was already enabled",
5979 
5980 	/* DBG_STATUS_BLOCK_NOT_ENABLED */
5981 	"The specified block wasn't enabled",
5982 
5983 	/* DBG_STATUS_NO_INPUT_ENABLED */
5984 	"No input was enabled for recording",
5985 
5986 	/* DBG_STATUS_NO_FILTER_TRIGGER_256B */
5987 	"Filters and triggers are not allowed in E4 256-bit mode",
5988 
5989 	/* DBG_STATUS_FILTER_ALREADY_ENABLED */
5990 	"The filter was already enabled",
5991 
5992 	/* DBG_STATUS_TRIGGER_ALREADY_ENABLED */
5993 	"The trigger was already enabled",
5994 
5995 	/* DBG_STATUS_TRIGGER_NOT_ENABLED */
5996 	"The trigger wasn't enabled",
5997 
5998 	/* DBG_STATUS_CANT_ADD_CONSTRAINT */
5999 	"A constraint can be added only after a filter was enabled or a trigger state was added",
6000 
6001 	/* DBG_STATUS_TOO_MANY_TRIGGER_STATES */
6002 	"Cannot add more than 3 trigger states",
6003 
6004 	/* DBG_STATUS_TOO_MANY_CONSTRAINTS */
6005 	"Cannot add more than 4 constraints per filter or trigger state",
6006 
6007 	/* DBG_STATUS_RECORDING_NOT_STARTED */
6008 	"The recording wasn't started",
6009 
6010 	/* DBG_STATUS_DATA_DIDNT_TRIGGER */
6011 	"A trigger was configured, but it didn't trigger",
6012 
6013 	/* DBG_STATUS_NO_DATA_RECORDED */
6014 	"No data was recorded",
6015 
6016 	/* DBG_STATUS_DUMP_BUF_TOO_SMALL */
6017 	"Dump buffer is too small",
6018 
6019 	/* DBG_STATUS_DUMP_NOT_CHUNK_ALIGNED */
6020 	"Dumped data is not aligned to chunks",
6021 
6022 	/* DBG_STATUS_UNKNOWN_CHIP */
6023 	"Unknown chip",
6024 
6025 	/* DBG_STATUS_VIRT_MEM_ALLOC_FAILED */
6026 	"Failed allocating virtual memory",
6027 
6028 	/* DBG_STATUS_BLOCK_IN_RESET */
6029 	"The input block is in reset",
6030 
6031 	/* DBG_STATUS_INVALID_TRACE_SIGNATURE */
6032 	"Invalid MCP trace signature found in NVRAM",
6033 
6034 	/* DBG_STATUS_INVALID_NVRAM_BUNDLE */
6035 	"Invalid bundle ID found in NVRAM",
6036 
6037 	/* DBG_STATUS_NVRAM_GET_IMAGE_FAILED */
6038 	"Failed getting NVRAM image",
6039 
6040 	/* DBG_STATUS_NON_ALIGNED_NVRAM_IMAGE */
6041 	"NVRAM image is not dword-aligned",
6042 
6043 	/* DBG_STATUS_NVRAM_READ_FAILED */
6044 	"Failed reading from NVRAM",
6045 
6046 	/* DBG_STATUS_IDLE_CHK_PARSE_FAILED */
6047 	"Idle check parsing failed",
6048 
6049 	/* DBG_STATUS_MCP_TRACE_BAD_DATA */
6050 	"MCP Trace data is corrupt",
6051 
6052 	/* DBG_STATUS_MCP_TRACE_NO_META */
6053 	"Dump doesn't contain meta data - it must be provided in image file",
6054 
6055 	/* DBG_STATUS_MCP_COULD_NOT_HALT */
6056 	"Failed to halt MCP",
6057 
6058 	/* DBG_STATUS_MCP_COULD_NOT_RESUME */
6059 	"Failed to resume MCP after halt",
6060 
6061 	/* DBG_STATUS_RESERVED0 */
6062 	"",
6063 
6064 	/* DBG_STATUS_SEMI_FIFO_NOT_EMPTY */
6065 	"Failed to empty SEMI sync FIFO",
6066 
6067 	/* DBG_STATUS_IGU_FIFO_BAD_DATA */
6068 	"IGU FIFO data is corrupt",
6069 
6070 	/* DBG_STATUS_MCP_COULD_NOT_MASK_PRTY */
6071 	"MCP failed to mask parities",
6072 
6073 	/* DBG_STATUS_FW_ASSERTS_PARSE_FAILED */
6074 	"FW Asserts parsing failed",
6075 
6076 	/* DBG_STATUS_REG_FIFO_BAD_DATA */
6077 	"GRC FIFO data is corrupt",
6078 
6079 	/* DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA */
6080 	"Protection Override data is corrupt",
6081 
6082 	/* DBG_STATUS_DBG_ARRAY_NOT_SET */
6083 	"Debug arrays were not set (when using binary files, dbg_set_bin_ptr must be called)",
6084 
6085 	/* DBG_STATUS_RESERVED1 */
6086 	"",
6087 
6088 	/* DBG_STATUS_NON_MATCHING_LINES */
6089 	"Non-matching debug lines - in E4, all lines must be of the same type (either 128b or 256b)",
6090 
6091 	/* DBG_STATUS_INSUFFICIENT_HW_IDS */
6092 	"Insufficient HW IDs. Try to record less Storms/blocks",
6093 
6094 	/* DBG_STATUS_DBG_BUS_IN_USE */
6095 	"The debug bus is in use",
6096 
6097 	/* DBG_STATUS_INVALID_STORM_DBG_MODE */
6098 	"The storm debug mode is not supported in the current chip",
6099 
6100 	/* DBG_STATUS_OTHER_ENGINE_BB_ONLY */
6101 	"Other engine is supported only in BB",
6102 
6103 	/* DBG_STATUS_FILTER_SINGLE_HW_ID */
6104 	"The configured filter mode requires a single Storm/block input",
6105 
6106 	/* DBG_STATUS_TRIGGER_SINGLE_HW_ID */
6107 	"The configured filter mode requires that all the constraints of a single trigger state will be defined on a single Storm/block input",
6108 
6109 	/* DBG_STATUS_MISSING_TRIGGER_STATE_STORM */
6110 	"When triggering on Storm data, the Storm to trigger on must be specified",
6111 
6112 	/* DBG_STATUS_MDUMP2_FAILED_TO_REQUEST_OFFSIZE */
6113 	"Failed to request MDUMP2 Offsize",
6114 
6115 	/* DBG_STATUS_MDUMP2_FAILED_VALIDATION_OF_DATA_CRC */
6116 	"Expected CRC (part of the MDUMP2 data) is different than the calculated CRC over that data",
6117 
6118 	/* DBG_STATUS_MDUMP2_INVALID_SIGNATURE */
6119 	"Invalid Signature found at start of MDUMP2",
6120 
6121 	/* DBG_STATUS_MDUMP2_INVALID_LOG_SIZE */
6122 	"Invalid Log Size of MDUMP2",
6123 
6124 	/* DBG_STATUS_MDUMP2_INVALID_LOG_HDR */
6125 	"Invalid Log Header of MDUMP2",
6126 
6127 	/* DBG_STATUS_MDUMP2_INVALID_LOG_DATA */
6128 	"Invalid Log Data of MDUMP2",
6129 
6130 	/* DBG_STATUS_MDUMP2_ERROR_EXTRACTING_NUM_PORTS */
6131 	"Could not extract number of ports from regval buf of MDUMP2",
6132 
6133 	/* DBG_STATUS_MDUMP2_ERROR_EXTRACTING_MFW_STATUS */
6134 	"Could not extract MFW (link) status from regval buf of MDUMP2",
6135 
6136 	/* DBG_STATUS_MDUMP2_ERROR_DISPLAYING_LINKDUMP */
6137 	"Could not display linkdump of MDUMP2",
6138 
6139 	/* DBG_STATUS_MDUMP2_ERROR_READING_PHY_CFG */
6140 	"Could not read PHY CFG of MDUMP2",
6141 
6142 	/* DBG_STATUS_MDUMP2_ERROR_READING_PLL_MODE */
6143 	"Could not read PLL Mode of MDUMP2",
6144 
6145 	/* DBG_STATUS_MDUMP2_ERROR_READING_LANE_REGS */
6146 	"Could not read TSCF/TSCE Lane Regs of MDUMP2",
6147 
6148 	/* DBG_STATUS_MDUMP2_ERROR_ALLOCATING_BUF */
6149 	"Could not allocate MDUMP2 reg-val internal buffer"
6150 };
6151 
6152 /* Idle check severity names array */
6153 static const char * const s_idle_chk_severity_str[] = {
6154 	"Error",
6155 	"Error if no traffic",
6156 	"Warning"
6157 };
6158 
6159 /* MCP Trace level names array */
6160 static const char * const s_mcp_trace_level_str[] = {
6161 	"ERROR",
6162 	"TRACE",
6163 	"DEBUG"
6164 };
6165 
6166 /* Access type names array */
6167 static const char * const s_access_strs[] = {
6168 	"read",
6169 	"write"
6170 };
6171 
6172 /* Privilege type names array */
6173 static const char * const s_privilege_strs[] = {
6174 	"VF",
6175 	"PDA",
6176 	"HV",
6177 	"UA"
6178 };
6179 
6180 /* Protection type names array */
6181 static const char * const s_protection_strs[] = {
6182 	"(default)",
6183 	"(default)",
6184 	"(default)",
6185 	"(default)",
6186 	"override VF",
6187 	"override PDA",
6188 	"override HV",
6189 	"override UA"
6190 };
6191 
6192 /* Master type names array */
6193 static const char * const s_master_strs[] = {
6194 	"???",
6195 	"pxp",
6196 	"mcp",
6197 	"msdm",
6198 	"psdm",
6199 	"ysdm",
6200 	"usdm",
6201 	"tsdm",
6202 	"xsdm",
6203 	"dbu",
6204 	"dmae",
6205 	"jdap",
6206 	"???",
6207 	"???",
6208 	"???",
6209 	"???"
6210 };
6211 
6212 /* REG FIFO error messages array */
6213 static struct reg_fifo_err s_reg_fifo_errors[] = {
6214 	{1, "grc timeout"},
6215 	{2, "address doesn't belong to any block"},
6216 	{4, "reserved address in block or write to read-only address"},
6217 	{8, "privilege/protection mismatch"},
6218 	{16, "path isolation error"},
6219 	{17, "RSL error"}
6220 };
6221 
6222 /* IGU FIFO sources array */
6223 static const char * const s_igu_fifo_source_strs[] = {
6224 	"TSTORM",
6225 	"MSTORM",
6226 	"USTORM",
6227 	"XSTORM",
6228 	"YSTORM",
6229 	"PSTORM",
6230 	"PCIE",
6231 	"NIG_QM_PBF",
6232 	"CAU",
6233 	"ATTN",
6234 	"GRC",
6235 };
6236 
6237 /* IGU FIFO error messages */
6238 static const char * const s_igu_fifo_error_strs[] = {
6239 	"no error",
6240 	"length error",
6241 	"function disabled",
6242 	"VF sent command to attention address",
6243 	"host sent prod update command",
6244 	"read of during interrupt register while in MIMD mode",
6245 	"access to PXP BAR reserved address",
6246 	"producer update command to attention index",
6247 	"unknown error",
6248 	"SB index not valid",
6249 	"SB relative index and FID not found",
6250 	"FID not match",
6251 	"command with error flag asserted (PCI error or CAU discard)",
6252 	"VF sent cleanup and RF cleanup is disabled",
6253 	"cleanup command on type bigger than 4"
6254 };
6255 
6256 /* IGU FIFO address data */
6257 static const struct igu_fifo_addr_data s_igu_fifo_addr_data[] = {
6258 	{0x0, 0x101, "MSI-X Memory", NULL,
6259 	 IGU_ADDR_TYPE_MSIX_MEM},
6260 	{0x102, 0x1ff, "reserved", NULL,
6261 	 IGU_ADDR_TYPE_RESERVED},
6262 	{0x200, 0x200, "Write PBA[0:63]", NULL,
6263 	 IGU_ADDR_TYPE_WRITE_PBA},
6264 	{0x201, 0x201, "Write PBA[64:127]", "reserved",
6265 	 IGU_ADDR_TYPE_WRITE_PBA},
6266 	{0x202, 0x202, "Write PBA[128]", "reserved",
6267 	 IGU_ADDR_TYPE_WRITE_PBA},
6268 	{0x203, 0x3ff, "reserved", NULL,
6269 	 IGU_ADDR_TYPE_RESERVED},
6270 	{0x400, 0x5ef, "Write interrupt acknowledgment", NULL,
6271 	 IGU_ADDR_TYPE_WRITE_INT_ACK},
6272 	{0x5f0, 0x5f0, "Attention bits update", NULL,
6273 	 IGU_ADDR_TYPE_WRITE_ATTN_BITS},
6274 	{0x5f1, 0x5f1, "Attention bits set", NULL,
6275 	 IGU_ADDR_TYPE_WRITE_ATTN_BITS},
6276 	{0x5f2, 0x5f2, "Attention bits clear", NULL,
6277 	 IGU_ADDR_TYPE_WRITE_ATTN_BITS},
6278 	{0x5f3, 0x5f3, "Read interrupt 0:63 with mask", NULL,
6279 	 IGU_ADDR_TYPE_READ_INT},
6280 	{0x5f4, 0x5f4, "Read interrupt 0:31 with mask", NULL,
6281 	 IGU_ADDR_TYPE_READ_INT},
6282 	{0x5f5, 0x5f5, "Read interrupt 32:63 with mask", NULL,
6283 	 IGU_ADDR_TYPE_READ_INT},
6284 	{0x5f6, 0x5f6, "Read interrupt 0:63 without mask", NULL,
6285 	 IGU_ADDR_TYPE_READ_INT},
6286 	{0x5f7, 0x5ff, "reserved", NULL,
6287 	 IGU_ADDR_TYPE_RESERVED},
6288 	{0x600, 0x7ff, "Producer update", NULL,
6289 	 IGU_ADDR_TYPE_WRITE_PROD_UPDATE}
6290 };
6291 
6292 /******************************** Variables **********************************/
6293 
6294 /* Temporary buffer, used for print size calculations */
6295 static char s_temp_buf[MAX_MSG_LEN];
6296 
6297 /**************************** Private Functions ******************************/
6298 
qed_user_static_asserts(void)6299 static void qed_user_static_asserts(void)
6300 {
6301 }
6302 
qed_cyclic_add(u32 a,u32 b,u32 size)6303 static u32 qed_cyclic_add(u32 a, u32 b, u32 size)
6304 {
6305 	return (a + b) % size;
6306 }
6307 
qed_cyclic_sub(u32 a,u32 b,u32 size)6308 static u32 qed_cyclic_sub(u32 a, u32 b, u32 size)
6309 {
6310 	return (size + a - b) % size;
6311 }
6312 
6313 /* Reads the specified number of bytes from the specified cyclic buffer (up to 4
6314  * bytes) and returns them as a dword value. the specified buffer offset is
6315  * updated.
6316  */
qed_read_from_cyclic_buf(void * buf,u32 * offset,u32 buf_size,u8 num_bytes_to_read)6317 static u32 qed_read_from_cyclic_buf(void *buf,
6318 				    u32 *offset,
6319 				    u32 buf_size, u8 num_bytes_to_read)
6320 {
6321 	u8 i, *val_ptr, *bytes_buf = (u8 *)buf;
6322 	u32 val = 0;
6323 
6324 	val_ptr = (u8 *)&val;
6325 
6326 	/* Assume running on a LITTLE ENDIAN and the buffer is network order
6327 	 * (BIG ENDIAN), as high order bytes are placed in lower memory address.
6328 	 */
6329 	for (i = 0; i < num_bytes_to_read; i++) {
6330 		val_ptr[i] = bytes_buf[*offset];
6331 		*offset = qed_cyclic_add(*offset, 1, buf_size);
6332 	}
6333 
6334 	return val;
6335 }
6336 
6337 /* Reads and returns the next byte from the specified buffer.
6338  * The specified buffer offset is updated.
6339  */
qed_read_byte_from_buf(void * buf,u32 * offset)6340 static u8 qed_read_byte_from_buf(void *buf, u32 *offset)
6341 {
6342 	return ((u8 *)buf)[(*offset)++];
6343 }
6344 
6345 /* Reads and returns the next dword from the specified buffer.
6346  * The specified buffer offset is updated.
6347  */
qed_read_dword_from_buf(void * buf,u32 * offset)6348 static u32 qed_read_dword_from_buf(void *buf, u32 *offset)
6349 {
6350 	u32 dword_val = *(u32 *)&((u8 *)buf)[*offset];
6351 
6352 	*offset += 4;
6353 
6354 	return dword_val;
6355 }
6356 
6357 /* Reads the next string from the specified buffer, and copies it to the
6358  * specified pointer. The specified buffer offset is updated.
6359  */
qed_read_str_from_buf(void * buf,u32 * offset,u32 size,char * dest)6360 static void qed_read_str_from_buf(void *buf, u32 *offset, u32 size, char *dest)
6361 {
6362 	const char *source_str = &((const char *)buf)[*offset];
6363 
6364 	strscpy(dest, source_str, size);
6365 	*offset += size;
6366 }
6367 
6368 /* Returns a pointer to the specified offset (in bytes) of the specified buffer.
6369  * If the specified buffer in NULL, a temporary buffer pointer is returned.
6370  */
qed_get_buf_ptr(void * buf,u32 offset)6371 static char *qed_get_buf_ptr(void *buf, u32 offset)
6372 {
6373 	return buf ? (char *)buf + offset : s_temp_buf;
6374 }
6375 
6376 /* Reads a param from the specified buffer. Returns the number of dwords read.
6377  * If the returned str_param is NULL, the param is numeric and its value is
6378  * returned in num_param.
6379  * Otheriwise, the param is a string and its pointer is returned in str_param.
6380  */
qed_read_param(u32 * dump_buf,const char ** param_name,const char ** param_str_val,u32 * param_num_val)6381 static u32 qed_read_param(u32 *dump_buf,
6382 			  const char **param_name,
6383 			  const char **param_str_val, u32 *param_num_val)
6384 {
6385 	char *char_buf = (char *)dump_buf;
6386 	size_t offset = 0;
6387 
6388 	/* Extract param name */
6389 	*param_name = char_buf;
6390 	offset += strlen(*param_name) + 1;
6391 
6392 	/* Check param type */
6393 	if (*(char_buf + offset++)) {
6394 		/* String param */
6395 		*param_str_val = char_buf + offset;
6396 		*param_num_val = 0;
6397 		offset += strlen(*param_str_val) + 1;
6398 		if (offset & 0x3)
6399 			offset += (4 - (offset & 0x3));
6400 	} else {
6401 		/* Numeric param */
6402 		*param_str_val = NULL;
6403 		if (offset & 0x3)
6404 			offset += (4 - (offset & 0x3));
6405 		*param_num_val = *(u32 *)(char_buf + offset);
6406 		offset += 4;
6407 	}
6408 
6409 	return (u32)offset / 4;
6410 }
6411 
6412 /* Reads a section header from the specified buffer.
6413  * Returns the number of dwords read.
6414  */
qed_read_section_hdr(u32 * dump_buf,const char ** section_name,u32 * num_section_params)6415 static u32 qed_read_section_hdr(u32 *dump_buf,
6416 				const char **section_name,
6417 				u32 *num_section_params)
6418 {
6419 	const char *param_str_val;
6420 
6421 	return qed_read_param(dump_buf,
6422 			      section_name, &param_str_val, num_section_params);
6423 }
6424 
6425 /* Reads section params from the specified buffer and prints them to the results
6426  * buffer. Returns the number of dwords read.
6427  */
qed_print_section_params(u32 * dump_buf,u32 num_section_params,char * results_buf,u32 * num_chars_printed)6428 static u32 qed_print_section_params(u32 *dump_buf,
6429 				    u32 num_section_params,
6430 				    char *results_buf, u32 *num_chars_printed)
6431 {
6432 	u32 i, dump_offset = 0, results_offset = 0;
6433 
6434 	for (i = 0; i < num_section_params; i++) {
6435 		const char *param_name, *param_str_val;
6436 		u32 param_num_val = 0;
6437 
6438 		dump_offset += qed_read_param(dump_buf + dump_offset,
6439 					      &param_name,
6440 					      &param_str_val, &param_num_val);
6441 
6442 		if (param_str_val)
6443 			results_offset +=
6444 				sprintf(qed_get_buf_ptr(results_buf,
6445 							results_offset),
6446 					"%s: %s\n", param_name, param_str_val);
6447 		else if (strcmp(param_name, "fw-timestamp"))
6448 			results_offset +=
6449 				sprintf(qed_get_buf_ptr(results_buf,
6450 							results_offset),
6451 					"%s: %d\n", param_name, param_num_val);
6452 	}
6453 
6454 	results_offset += sprintf(qed_get_buf_ptr(results_buf, results_offset),
6455 				  "\n");
6456 
6457 	*num_chars_printed = results_offset;
6458 
6459 	return dump_offset;
6460 }
6461 
6462 /* Returns the block name that matches the specified block ID,
6463  * or NULL if not found.
6464  */
qed_dbg_get_block_name(struct qed_hwfn * p_hwfn,enum block_id block_id)6465 static const char *qed_dbg_get_block_name(struct qed_hwfn *p_hwfn,
6466 					  enum block_id block_id)
6467 {
6468 	const struct dbg_block_user *block =
6469 	    (const struct dbg_block_user *)
6470 	    p_hwfn->dbg_arrays[BIN_BUF_DBG_BLOCKS_USER_DATA].ptr + block_id;
6471 
6472 	return (const char *)block->name;
6473 }
6474 
qed_dbg_get_user_data(struct qed_hwfn * p_hwfn)6475 static struct dbg_tools_user_data *qed_dbg_get_user_data(struct qed_hwfn
6476 							 *p_hwfn)
6477 {
6478 	return (struct dbg_tools_user_data *)p_hwfn->dbg_user_info;
6479 }
6480 
6481 /* Parses the idle check rules and returns the number of characters printed.
6482  * In case of parsing error, returns 0.
6483  */
qed_parse_idle_chk_dump_rules(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 * dump_buf_end,u32 num_rules,bool print_fw_idle_chk,char * results_buf,u32 * num_errors,u32 * num_warnings)6484 static u32 qed_parse_idle_chk_dump_rules(struct qed_hwfn *p_hwfn,
6485 					 u32 *dump_buf,
6486 					 u32 *dump_buf_end,
6487 					 u32 num_rules,
6488 					 bool print_fw_idle_chk,
6489 					 char *results_buf,
6490 					 u32 *num_errors, u32 *num_warnings)
6491 {
6492 	/* Offset in results_buf in bytes */
6493 	u32 results_offset = 0;
6494 
6495 	u32 rule_idx;
6496 	u16 i, j;
6497 
6498 	*num_errors = 0;
6499 	*num_warnings = 0;
6500 
6501 	/* Go over dumped results */
6502 	for (rule_idx = 0; rule_idx < num_rules && dump_buf < dump_buf_end;
6503 	     rule_idx++) {
6504 		const struct dbg_idle_chk_rule_parsing_data *rule_parsing_data;
6505 		struct dbg_idle_chk_result_hdr *hdr;
6506 		const char *parsing_str, *lsi_msg;
6507 		u32 parsing_str_offset;
6508 		bool has_fw_msg;
6509 		u8 curr_reg_id;
6510 
6511 		hdr = (struct dbg_idle_chk_result_hdr *)dump_buf;
6512 		rule_parsing_data =
6513 		    (const struct dbg_idle_chk_rule_parsing_data *)
6514 		    p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_PARSING_DATA].ptr +
6515 		    hdr->rule_id;
6516 		parsing_str_offset =
6517 		    GET_FIELD(rule_parsing_data->data,
6518 			      DBG_IDLE_CHK_RULE_PARSING_DATA_STR_OFFSET);
6519 		has_fw_msg =
6520 		    GET_FIELD(rule_parsing_data->data,
6521 			      DBG_IDLE_CHK_RULE_PARSING_DATA_HAS_FW_MSG) > 0;
6522 		parsing_str = (const char *)
6523 		    p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr +
6524 		    parsing_str_offset;
6525 		lsi_msg = parsing_str;
6526 		curr_reg_id = 0;
6527 
6528 		if (hdr->severity >= MAX_DBG_IDLE_CHK_SEVERITY_TYPES)
6529 			return 0;
6530 
6531 		/* Skip rule header */
6532 		dump_buf += BYTES_TO_DWORDS(sizeof(*hdr));
6533 
6534 		/* Update errors/warnings count */
6535 		if (hdr->severity == IDLE_CHK_SEVERITY_ERROR ||
6536 		    hdr->severity == IDLE_CHK_SEVERITY_ERROR_NO_TRAFFIC)
6537 			(*num_errors)++;
6538 		else
6539 			(*num_warnings)++;
6540 
6541 		/* Print rule severity */
6542 		results_offset +=
6543 		    sprintf(qed_get_buf_ptr(results_buf,
6544 					    results_offset), "%s: ",
6545 			    s_idle_chk_severity_str[hdr->severity]);
6546 
6547 		/* Print rule message */
6548 		if (has_fw_msg)
6549 			parsing_str += strlen(parsing_str) + 1;
6550 		results_offset +=
6551 		    sprintf(qed_get_buf_ptr(results_buf,
6552 					    results_offset), "%s.",
6553 			    has_fw_msg &&
6554 			    print_fw_idle_chk ? parsing_str : lsi_msg);
6555 		parsing_str += strlen(parsing_str) + 1;
6556 
6557 		/* Print register values */
6558 		results_offset +=
6559 		    sprintf(qed_get_buf_ptr(results_buf,
6560 					    results_offset), " Registers:");
6561 		for (i = 0;
6562 		     i < hdr->num_dumped_cond_regs + hdr->num_dumped_info_regs;
6563 		     i++) {
6564 			struct dbg_idle_chk_result_reg_hdr *reg_hdr;
6565 			bool is_mem;
6566 			u8 reg_id;
6567 
6568 			reg_hdr =
6569 				(struct dbg_idle_chk_result_reg_hdr *)dump_buf;
6570 			is_mem = GET_FIELD(reg_hdr->data,
6571 					   DBG_IDLE_CHK_RESULT_REG_HDR_IS_MEM);
6572 			reg_id = GET_FIELD(reg_hdr->data,
6573 					   DBG_IDLE_CHK_RESULT_REG_HDR_REG_ID);
6574 
6575 			/* Skip reg header */
6576 			dump_buf += BYTES_TO_DWORDS(sizeof(*reg_hdr));
6577 
6578 			/* Skip register names until the required reg_id is
6579 			 * reached.
6580 			 */
6581 			for (; reg_id > curr_reg_id; curr_reg_id++)
6582 				parsing_str += strlen(parsing_str) + 1;
6583 
6584 			results_offset +=
6585 			    sprintf(qed_get_buf_ptr(results_buf,
6586 						    results_offset), " %s",
6587 				    parsing_str);
6588 			if (i < hdr->num_dumped_cond_regs && is_mem)
6589 				results_offset +=
6590 				    sprintf(qed_get_buf_ptr(results_buf,
6591 							    results_offset),
6592 					    "[%d]", hdr->mem_entry_id +
6593 					    reg_hdr->start_entry);
6594 			results_offset +=
6595 			    sprintf(qed_get_buf_ptr(results_buf,
6596 						    results_offset), "=");
6597 			for (j = 0; j < reg_hdr->size; j++, dump_buf++) {
6598 				results_offset +=
6599 				    sprintf(qed_get_buf_ptr(results_buf,
6600 							    results_offset),
6601 					    "0x%x", *dump_buf);
6602 				if (j < reg_hdr->size - 1)
6603 					results_offset +=
6604 					    sprintf(qed_get_buf_ptr
6605 						    (results_buf,
6606 						     results_offset), ",");
6607 			}
6608 		}
6609 
6610 		results_offset +=
6611 		    sprintf(qed_get_buf_ptr(results_buf, results_offset), "\n");
6612 	}
6613 
6614 	/* Check if end of dump buffer was exceeded */
6615 	if (dump_buf > dump_buf_end)
6616 		return 0;
6617 
6618 	return results_offset;
6619 }
6620 
6621 /* Parses an idle check dump buffer.
6622  * If result_buf is not NULL, the idle check results are printed to it.
6623  * In any case, the required results buffer size is assigned to
6624  * parsed_results_bytes.
6625  * The parsing status is returned.
6626  */
qed_parse_idle_chk_dump(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf,u32 * parsed_results_bytes,u32 * num_errors,u32 * num_warnings)6627 static enum dbg_status qed_parse_idle_chk_dump(struct qed_hwfn *p_hwfn,
6628 					       u32 *dump_buf,
6629 					       u32 num_dumped_dwords,
6630 					       char *results_buf,
6631 					       u32 *parsed_results_bytes,
6632 					       u32 *num_errors,
6633 					       u32 *num_warnings)
6634 {
6635 	u32 num_section_params = 0, num_rules, num_rules_not_dumped;
6636 	const char *section_name, *param_name, *param_str_val;
6637 	u32 *dump_buf_end = dump_buf + num_dumped_dwords;
6638 
6639 	/* Offset in results_buf in bytes */
6640 	u32 results_offset = 0;
6641 
6642 	*parsed_results_bytes = 0;
6643 	*num_errors = 0;
6644 	*num_warnings = 0;
6645 
6646 	if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr ||
6647 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_PARSING_DATA].ptr)
6648 		return DBG_STATUS_DBG_ARRAY_NOT_SET;
6649 
6650 	/* Read global_params section */
6651 	dump_buf += qed_read_section_hdr(dump_buf,
6652 					 &section_name, &num_section_params);
6653 	if (strcmp(section_name, "global_params"))
6654 		return DBG_STATUS_IDLE_CHK_PARSE_FAILED;
6655 
6656 	/* Print global params */
6657 	dump_buf += qed_print_section_params(dump_buf,
6658 					     num_section_params,
6659 					     results_buf, &results_offset);
6660 
6661 	/* Read idle_chk section
6662 	 * There may be 1 or 2 idle_chk section parameters:
6663 	 * - 1st is "num_rules"
6664 	 * - 2nd is "num_rules_not_dumped" (optional)
6665 	 */
6666 
6667 	dump_buf += qed_read_section_hdr(dump_buf,
6668 					 &section_name, &num_section_params);
6669 	if (strcmp(section_name, "idle_chk") ||
6670 	    (num_section_params != 2 && num_section_params != 1))
6671 		return DBG_STATUS_IDLE_CHK_PARSE_FAILED;
6672 	dump_buf += qed_read_param(dump_buf,
6673 				   &param_name, &param_str_val, &num_rules);
6674 	if (strcmp(param_name, "num_rules"))
6675 		return DBG_STATUS_IDLE_CHK_PARSE_FAILED;
6676 	if (num_section_params > 1) {
6677 		dump_buf += qed_read_param(dump_buf,
6678 					   &param_name,
6679 					   &param_str_val,
6680 					   &num_rules_not_dumped);
6681 		if (strcmp(param_name, "num_rules_not_dumped"))
6682 			return DBG_STATUS_IDLE_CHK_PARSE_FAILED;
6683 	} else {
6684 		num_rules_not_dumped = 0;
6685 	}
6686 
6687 	if (num_rules) {
6688 		u32 rules_print_size;
6689 
6690 		/* Print FW output */
6691 		results_offset +=
6692 		    sprintf(qed_get_buf_ptr(results_buf,
6693 					    results_offset),
6694 			    "FW_IDLE_CHECK:\n");
6695 		rules_print_size =
6696 			qed_parse_idle_chk_dump_rules(p_hwfn,
6697 						      dump_buf,
6698 						      dump_buf_end,
6699 						      num_rules,
6700 						      true,
6701 						      results_buf ?
6702 						      results_buf +
6703 						      results_offset :
6704 						      NULL,
6705 						      num_errors,
6706 						      num_warnings);
6707 		results_offset += rules_print_size;
6708 		if (!rules_print_size)
6709 			return DBG_STATUS_IDLE_CHK_PARSE_FAILED;
6710 
6711 		/* Print LSI output */
6712 		results_offset +=
6713 		    sprintf(qed_get_buf_ptr(results_buf,
6714 					    results_offset),
6715 			    "\nLSI_IDLE_CHECK:\n");
6716 		rules_print_size =
6717 			qed_parse_idle_chk_dump_rules(p_hwfn,
6718 						      dump_buf,
6719 						      dump_buf_end,
6720 						      num_rules,
6721 						      false,
6722 						      results_buf ?
6723 						      results_buf +
6724 						      results_offset :
6725 						      NULL,
6726 						      num_errors,
6727 						      num_warnings);
6728 		results_offset += rules_print_size;
6729 		if (!rules_print_size)
6730 			return DBG_STATUS_IDLE_CHK_PARSE_FAILED;
6731 	}
6732 
6733 	/* Print errors/warnings count */
6734 	if (*num_errors)
6735 		results_offset +=
6736 		    sprintf(qed_get_buf_ptr(results_buf,
6737 					    results_offset),
6738 			    "\nIdle Check failed!!! (with %d errors and %d warnings)\n",
6739 			    *num_errors, *num_warnings);
6740 	else if (*num_warnings)
6741 		results_offset +=
6742 		    sprintf(qed_get_buf_ptr(results_buf,
6743 					    results_offset),
6744 			    "\nIdle Check completed successfully (with %d warnings)\n",
6745 			    *num_warnings);
6746 	else
6747 		results_offset +=
6748 		    sprintf(qed_get_buf_ptr(results_buf,
6749 					    results_offset),
6750 			    "\nIdle Check completed successfully\n");
6751 
6752 	if (num_rules_not_dumped)
6753 		results_offset +=
6754 		    sprintf(qed_get_buf_ptr(results_buf,
6755 					    results_offset),
6756 			    "\nIdle Check Partially dumped : num_rules_not_dumped = %d\n",
6757 			    num_rules_not_dumped);
6758 
6759 	/* Add 1 for string NULL termination */
6760 	*parsed_results_bytes = results_offset + 1;
6761 
6762 	return DBG_STATUS_OK;
6763 }
6764 
6765 /* Allocates and fills MCP Trace meta data based on the specified meta data
6766  * dump buffer.
6767  * Returns debug status code.
6768  */
6769 static enum dbg_status
qed_mcp_trace_alloc_meta_data(struct qed_hwfn * p_hwfn,const u32 * meta_buf)6770 qed_mcp_trace_alloc_meta_data(struct qed_hwfn *p_hwfn,
6771 			      const u32 *meta_buf)
6772 {
6773 	struct dbg_tools_user_data *dev_user_data;
6774 	u32 offset = 0, signature, i;
6775 	struct mcp_trace_meta *meta;
6776 	u8 *meta_buf_bytes;
6777 
6778 	dev_user_data = qed_dbg_get_user_data(p_hwfn);
6779 	meta = &dev_user_data->mcp_trace_meta;
6780 	meta_buf_bytes = (u8 *)meta_buf;
6781 
6782 	/* Free the previous meta before loading a new one. */
6783 	if (meta->is_allocated)
6784 		qed_mcp_trace_free_meta_data(p_hwfn);
6785 
6786 	memset(meta, 0, sizeof(*meta));
6787 
6788 	/* Read first signature */
6789 	signature = qed_read_dword_from_buf(meta_buf_bytes, &offset);
6790 	if (signature != NVM_MAGIC_VALUE)
6791 		return DBG_STATUS_INVALID_TRACE_SIGNATURE;
6792 
6793 	/* Read no. of modules and allocate memory for their pointers */
6794 	meta->modules_num = qed_read_byte_from_buf(meta_buf_bytes, &offset);
6795 	meta->modules = kcalloc(meta->modules_num, sizeof(char *),
6796 				GFP_KERNEL);
6797 	if (!meta->modules)
6798 		return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
6799 
6800 	/* Allocate and read all module strings */
6801 	for (i = 0; i < meta->modules_num; i++) {
6802 		u8 module_len = qed_read_byte_from_buf(meta_buf_bytes, &offset);
6803 
6804 		*(meta->modules + i) = kzalloc(module_len, GFP_KERNEL);
6805 		if (!(*(meta->modules + i))) {
6806 			/* Update number of modules to be released */
6807 			meta->modules_num = i ? i - 1 : 0;
6808 			return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
6809 		}
6810 
6811 		qed_read_str_from_buf(meta_buf_bytes, &offset, module_len,
6812 				      *(meta->modules + i));
6813 		if (module_len > MCP_TRACE_MAX_MODULE_LEN)
6814 			(*(meta->modules + i))[MCP_TRACE_MAX_MODULE_LEN] = '\0';
6815 	}
6816 
6817 	/* Read second signature */
6818 	signature = qed_read_dword_from_buf(meta_buf_bytes, &offset);
6819 	if (signature != NVM_MAGIC_VALUE)
6820 		return DBG_STATUS_INVALID_TRACE_SIGNATURE;
6821 
6822 	/* Read number of formats and allocate memory for all formats */
6823 	meta->formats_num = qed_read_dword_from_buf(meta_buf_bytes, &offset);
6824 	meta->formats = kcalloc(meta->formats_num,
6825 				sizeof(struct mcp_trace_format),
6826 				GFP_KERNEL);
6827 	if (!meta->formats)
6828 		return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
6829 
6830 	/* Allocate and read all strings */
6831 	for (i = 0; i < meta->formats_num; i++) {
6832 		struct mcp_trace_format *format_ptr = &meta->formats[i];
6833 		u8 format_len;
6834 
6835 		format_ptr->data = qed_read_dword_from_buf(meta_buf_bytes,
6836 							   &offset);
6837 		format_len = GET_MFW_FIELD(format_ptr->data,
6838 					   MCP_TRACE_FORMAT_LEN);
6839 		format_ptr->format_str = kzalloc(format_len, GFP_KERNEL);
6840 		if (!format_ptr->format_str) {
6841 			/* Update number of modules to be released */
6842 			meta->formats_num = i ? i - 1 : 0;
6843 			return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
6844 		}
6845 
6846 		qed_read_str_from_buf(meta_buf_bytes,
6847 				      &offset,
6848 				      format_len, format_ptr->format_str);
6849 	}
6850 
6851 	meta->is_allocated = true;
6852 	return DBG_STATUS_OK;
6853 }
6854 
6855 /* Parses an MCP trace buffer. If result_buf is not NULL, the MCP Trace results
6856  * are printed to it. The parsing status is returned.
6857  * Arguments:
6858  * trace_buf - MCP trace cyclic buffer
6859  * trace_buf_size - MCP trace cyclic buffer size in bytes
6860  * data_offset - offset in bytes of the data to parse in the MCP trace cyclic
6861  *		 buffer.
6862  * data_size - size in bytes of data to parse.
6863  * parsed_buf - destination buffer for parsed data.
6864  * parsed_results_bytes - size of parsed data in bytes.
6865  */
qed_parse_mcp_trace_buf(struct qed_hwfn * p_hwfn,u8 * trace_buf,u32 trace_buf_size,u32 data_offset,u32 data_size,char * parsed_buf,u32 * parsed_results_bytes)6866 static enum dbg_status qed_parse_mcp_trace_buf(struct qed_hwfn *p_hwfn,
6867 					       u8 *trace_buf,
6868 					       u32 trace_buf_size,
6869 					       u32 data_offset,
6870 					       u32 data_size,
6871 					       char *parsed_buf,
6872 					       u32 *parsed_results_bytes)
6873 {
6874 	struct dbg_tools_user_data *dev_user_data;
6875 	struct mcp_trace_meta *meta;
6876 	u32 param_mask, param_shift;
6877 	enum dbg_status status;
6878 
6879 	dev_user_data = qed_dbg_get_user_data(p_hwfn);
6880 	meta = &dev_user_data->mcp_trace_meta;
6881 	*parsed_results_bytes = 0;
6882 
6883 	if (!meta->is_allocated)
6884 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
6885 
6886 	status = DBG_STATUS_OK;
6887 
6888 	while (data_size) {
6889 		struct mcp_trace_format *format_ptr;
6890 		u8 format_level, format_module;
6891 		u32 params[3] = { 0, 0, 0 };
6892 		u32 header, format_idx, i;
6893 
6894 		if (data_size < MFW_TRACE_ENTRY_SIZE)
6895 			return DBG_STATUS_MCP_TRACE_BAD_DATA;
6896 
6897 		header = qed_read_from_cyclic_buf(trace_buf,
6898 						  &data_offset,
6899 						  trace_buf_size,
6900 						  MFW_TRACE_ENTRY_SIZE);
6901 		data_size -= MFW_TRACE_ENTRY_SIZE;
6902 		format_idx = header & MFW_TRACE_EVENTID_MASK;
6903 
6904 		/* Skip message if its index doesn't exist in the meta data */
6905 		if (format_idx >= meta->formats_num) {
6906 			u8 format_size = (u8)GET_MFW_FIELD(header,
6907 							   MFW_TRACE_PRM_SIZE);
6908 
6909 			if (data_size < format_size)
6910 				return DBG_STATUS_MCP_TRACE_BAD_DATA;
6911 
6912 			data_offset = qed_cyclic_add(data_offset,
6913 						     format_size,
6914 						     trace_buf_size);
6915 			data_size -= format_size;
6916 			continue;
6917 		}
6918 
6919 		format_ptr = &meta->formats[format_idx];
6920 
6921 		for (i = 0,
6922 		     param_mask = MCP_TRACE_FORMAT_P1_SIZE_MASK, param_shift =
6923 		     MCP_TRACE_FORMAT_P1_SIZE_OFFSET;
6924 		     i < MCP_TRACE_FORMAT_MAX_PARAMS;
6925 		     i++, param_mask <<= MCP_TRACE_FORMAT_PARAM_WIDTH,
6926 		     param_shift += MCP_TRACE_FORMAT_PARAM_WIDTH) {
6927 			/* Extract param size (0..3) */
6928 			u8 param_size = (u8)((format_ptr->data & param_mask) >>
6929 					     param_shift);
6930 
6931 			/* If the param size is zero, there are no other
6932 			 * parameters.
6933 			 */
6934 			if (!param_size)
6935 				break;
6936 
6937 			/* Size is encoded using 2 bits, where 3 is used to
6938 			 * encode 4.
6939 			 */
6940 			if (param_size == 3)
6941 				param_size = 4;
6942 
6943 			if (data_size < param_size)
6944 				return DBG_STATUS_MCP_TRACE_BAD_DATA;
6945 
6946 			params[i] = qed_read_from_cyclic_buf(trace_buf,
6947 							     &data_offset,
6948 							     trace_buf_size,
6949 							     param_size);
6950 			data_size -= param_size;
6951 		}
6952 
6953 		format_level = (u8)GET_MFW_FIELD(format_ptr->data,
6954 						 MCP_TRACE_FORMAT_LEVEL);
6955 		format_module = (u8)GET_MFW_FIELD(format_ptr->data,
6956 						  MCP_TRACE_FORMAT_MODULE);
6957 		if (format_level >= ARRAY_SIZE(s_mcp_trace_level_str))
6958 			return DBG_STATUS_MCP_TRACE_BAD_DATA;
6959 
6960 		/* Print current message to results buffer */
6961 		*parsed_results_bytes +=
6962 			sprintf(qed_get_buf_ptr(parsed_buf,
6963 						*parsed_results_bytes),
6964 				"%s %-8s: ",
6965 				s_mcp_trace_level_str[format_level],
6966 				meta->modules[format_module]);
6967 		*parsed_results_bytes +=
6968 		    sprintf(qed_get_buf_ptr(parsed_buf, *parsed_results_bytes),
6969 			    format_ptr->format_str,
6970 			    params[0], params[1], params[2]);
6971 	}
6972 
6973 	/* Add string NULL terminator */
6974 	(*parsed_results_bytes)++;
6975 
6976 	return status;
6977 }
6978 
6979 /* Parses an MCP Trace dump buffer.
6980  * If result_buf is not NULL, the MCP Trace results are printed to it.
6981  * In any case, the required results buffer size is assigned to
6982  * parsed_results_bytes.
6983  * The parsing status is returned.
6984  */
qed_parse_mcp_trace_dump(struct qed_hwfn * p_hwfn,u32 * dump_buf,char * results_buf,u32 * parsed_results_bytes,bool free_meta_data)6985 static enum dbg_status qed_parse_mcp_trace_dump(struct qed_hwfn *p_hwfn,
6986 						u32 *dump_buf,
6987 						char *results_buf,
6988 						u32 *parsed_results_bytes,
6989 						bool free_meta_data)
6990 {
6991 	const char *section_name, *param_name, *param_str_val;
6992 	u32 data_size, trace_data_dwords, trace_meta_dwords;
6993 	u32 offset, results_offset, results_buf_bytes;
6994 	u32 param_num_val, num_section_params;
6995 	struct mcp_trace *trace;
6996 	enum dbg_status status;
6997 	const u32 *meta_buf;
6998 	u8 *trace_buf;
6999 
7000 	*parsed_results_bytes = 0;
7001 
7002 	/* Read global_params section */
7003 	dump_buf += qed_read_section_hdr(dump_buf,
7004 					 &section_name, &num_section_params);
7005 	if (strcmp(section_name, "global_params"))
7006 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
7007 
7008 	/* Print global params */
7009 	dump_buf += qed_print_section_params(dump_buf,
7010 					     num_section_params,
7011 					     results_buf, &results_offset);
7012 
7013 	/* Read trace_data section */
7014 	dump_buf += qed_read_section_hdr(dump_buf,
7015 					 &section_name, &num_section_params);
7016 	if (strcmp(section_name, "mcp_trace_data") || num_section_params != 1)
7017 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
7018 	dump_buf += qed_read_param(dump_buf,
7019 				   &param_name, &param_str_val, &param_num_val);
7020 	if (strcmp(param_name, "size"))
7021 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
7022 	trace_data_dwords = param_num_val;
7023 
7024 	/* Prepare trace info */
7025 	trace = (struct mcp_trace *)dump_buf;
7026 	if (trace->signature != MFW_TRACE_SIGNATURE || !trace->size)
7027 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
7028 
7029 	trace_buf = (u8 *)dump_buf + sizeof(*trace);
7030 	offset = trace->trace_oldest;
7031 	data_size = qed_cyclic_sub(trace->trace_prod, offset, trace->size);
7032 	dump_buf += trace_data_dwords;
7033 
7034 	/* Read meta_data section */
7035 	dump_buf += qed_read_section_hdr(dump_buf,
7036 					 &section_name, &num_section_params);
7037 	if (strcmp(section_name, "mcp_trace_meta"))
7038 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
7039 	dump_buf += qed_read_param(dump_buf,
7040 				   &param_name, &param_str_val, &param_num_val);
7041 	if (strcmp(param_name, "size"))
7042 		return DBG_STATUS_MCP_TRACE_BAD_DATA;
7043 	trace_meta_dwords = param_num_val;
7044 
7045 	/* Choose meta data buffer */
7046 	if (!trace_meta_dwords) {
7047 		/* Dump doesn't include meta data */
7048 		struct dbg_tools_user_data *dev_user_data =
7049 			qed_dbg_get_user_data(p_hwfn);
7050 
7051 		if (!dev_user_data->mcp_trace_user_meta_buf)
7052 			return DBG_STATUS_MCP_TRACE_NO_META;
7053 
7054 		meta_buf = dev_user_data->mcp_trace_user_meta_buf;
7055 	} else {
7056 		/* Dump includes meta data */
7057 		meta_buf = dump_buf;
7058 	}
7059 
7060 	/* Allocate meta data memory */
7061 	status = qed_mcp_trace_alloc_meta_data(p_hwfn, meta_buf);
7062 	if (status != DBG_STATUS_OK)
7063 		return status;
7064 
7065 	status = qed_parse_mcp_trace_buf(p_hwfn,
7066 					 trace_buf,
7067 					 trace->size,
7068 					 offset,
7069 					 data_size,
7070 					 results_buf ?
7071 					 results_buf + results_offset :
7072 					 NULL,
7073 					 &results_buf_bytes);
7074 	if (status != DBG_STATUS_OK)
7075 		return status;
7076 
7077 	if (free_meta_data)
7078 		qed_mcp_trace_free_meta_data(p_hwfn);
7079 
7080 	*parsed_results_bytes = results_offset + results_buf_bytes;
7081 
7082 	return DBG_STATUS_OK;
7083 }
7084 
7085 /* Parses a Reg FIFO dump buffer.
7086  * If result_buf is not NULL, the Reg FIFO results are printed to it.
7087  * In any case, the required results buffer size is assigned to
7088  * parsed_results_bytes.
7089  * The parsing status is returned.
7090  */
qed_parse_reg_fifo_dump(u32 * dump_buf,char * results_buf,u32 * parsed_results_bytes)7091 static enum dbg_status qed_parse_reg_fifo_dump(u32 *dump_buf,
7092 					       char *results_buf,
7093 					       u32 *parsed_results_bytes)
7094 {
7095 	const char *section_name, *param_name, *param_str_val;
7096 	u32 param_num_val, num_section_params, num_elements;
7097 	struct reg_fifo_element *elements;
7098 	u8 i, j, err_code, vf_val;
7099 	u32 results_offset = 0;
7100 	char vf_str[4];
7101 
7102 	/* Read global_params section */
7103 	dump_buf += qed_read_section_hdr(dump_buf,
7104 					 &section_name, &num_section_params);
7105 	if (strcmp(section_name, "global_params"))
7106 		return DBG_STATUS_REG_FIFO_BAD_DATA;
7107 
7108 	/* Print global params */
7109 	dump_buf += qed_print_section_params(dump_buf,
7110 					     num_section_params,
7111 					     results_buf, &results_offset);
7112 
7113 	/* Read reg_fifo_data section */
7114 	dump_buf += qed_read_section_hdr(dump_buf,
7115 					 &section_name, &num_section_params);
7116 	if (strcmp(section_name, "reg_fifo_data"))
7117 		return DBG_STATUS_REG_FIFO_BAD_DATA;
7118 	dump_buf += qed_read_param(dump_buf,
7119 				   &param_name, &param_str_val, &param_num_val);
7120 	if (strcmp(param_name, "size"))
7121 		return DBG_STATUS_REG_FIFO_BAD_DATA;
7122 	if (param_num_val % REG_FIFO_ELEMENT_DWORDS)
7123 		return DBG_STATUS_REG_FIFO_BAD_DATA;
7124 	num_elements = param_num_val / REG_FIFO_ELEMENT_DWORDS;
7125 	elements = (struct reg_fifo_element *)dump_buf;
7126 
7127 	/* Decode elements */
7128 	for (i = 0; i < num_elements; i++) {
7129 		const char *err_msg = NULL;
7130 
7131 		/* Discover if element belongs to a VF or a PF */
7132 		vf_val = GET_FIELD(elements[i].data, REG_FIFO_ELEMENT_VF);
7133 		if (vf_val == REG_FIFO_ELEMENT_IS_PF_VF_VAL)
7134 			sprintf(vf_str, "%s", "N/A");
7135 		else
7136 			sprintf(vf_str, "%d", vf_val);
7137 
7138 		/* Find error message */
7139 		err_code = GET_FIELD(elements[i].data, REG_FIFO_ELEMENT_ERROR);
7140 		for (j = 0; j < ARRAY_SIZE(s_reg_fifo_errors) && !err_msg; j++)
7141 			if (err_code == s_reg_fifo_errors[j].err_code)
7142 				err_msg = s_reg_fifo_errors[j].err_msg;
7143 
7144 		/* Add parsed element to parsed buffer */
7145 		results_offset +=
7146 		    sprintf(qed_get_buf_ptr(results_buf,
7147 					    results_offset),
7148 			    "raw: 0x%016llx, address: 0x%07x, access: %-5s, pf: %2d, vf: %s, port: %d, privilege: %-3s, protection: %-12s, master: %-4s, error: %s\n",
7149 			    elements[i].data,
7150 			    (u32)GET_FIELD(elements[i].data,
7151 					   REG_FIFO_ELEMENT_ADDRESS) *
7152 			    REG_FIFO_ELEMENT_ADDR_FACTOR,
7153 			    s_access_strs[GET_FIELD(elements[i].data,
7154 						    REG_FIFO_ELEMENT_ACCESS)],
7155 			    (u32)GET_FIELD(elements[i].data,
7156 					   REG_FIFO_ELEMENT_PF),
7157 			    vf_str,
7158 			    (u32)GET_FIELD(elements[i].data,
7159 					   REG_FIFO_ELEMENT_PORT),
7160 			    s_privilege_strs[GET_FIELD(elements[i].data,
7161 						REG_FIFO_ELEMENT_PRIVILEGE)],
7162 			    s_protection_strs[GET_FIELD(elements[i].data,
7163 						REG_FIFO_ELEMENT_PROTECTION)],
7164 			    s_master_strs[GET_FIELD(elements[i].data,
7165 						    REG_FIFO_ELEMENT_MASTER)],
7166 			    err_msg ? err_msg : "unknown error code");
7167 	}
7168 
7169 	results_offset += sprintf(qed_get_buf_ptr(results_buf,
7170 						  results_offset),
7171 				  "fifo contained %d elements", num_elements);
7172 
7173 	/* Add 1 for string NULL termination */
7174 	*parsed_results_bytes = results_offset + 1;
7175 
7176 	return DBG_STATUS_OK;
7177 }
7178 
qed_parse_igu_fifo_element(struct igu_fifo_element * element,char * results_buf,u32 * results_offset)7179 static enum dbg_status qed_parse_igu_fifo_element(struct igu_fifo_element
7180 						  *element, char
7181 						  *results_buf,
7182 						  u32 *results_offset)
7183 {
7184 	const struct igu_fifo_addr_data *found_addr = NULL;
7185 	u8 source, err_type, i, is_cleanup;
7186 	char parsed_addr_data[32];
7187 	char parsed_wr_data[256];
7188 	u32 wr_data, prod_cons;
7189 	bool is_wr_cmd, is_pf;
7190 	u16 cmd_addr;
7191 	u64 dword12;
7192 
7193 	/* Dword12 (dword index 1 and 2) contains bits 32..95 of the
7194 	 * FIFO element.
7195 	 */
7196 	dword12 = ((u64)element->dword2 << 32) | element->dword1;
7197 	is_wr_cmd = GET_FIELD(dword12, IGU_FIFO_ELEMENT_DWORD12_IS_WR_CMD);
7198 	is_pf = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_IS_PF);
7199 	cmd_addr = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_CMD_ADDR);
7200 	source = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_SOURCE);
7201 	err_type = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_ERR_TYPE);
7202 
7203 	if (source >= ARRAY_SIZE(s_igu_fifo_source_strs))
7204 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7205 	if (err_type >= ARRAY_SIZE(s_igu_fifo_error_strs))
7206 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7207 
7208 	/* Find address data */
7209 	for (i = 0; i < ARRAY_SIZE(s_igu_fifo_addr_data) && !found_addr; i++) {
7210 		const struct igu_fifo_addr_data *curr_addr =
7211 			&s_igu_fifo_addr_data[i];
7212 
7213 		if (cmd_addr >= curr_addr->start_addr && cmd_addr <=
7214 		    curr_addr->end_addr)
7215 			found_addr = curr_addr;
7216 	}
7217 
7218 	if (!found_addr)
7219 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7220 
7221 	/* Prepare parsed address data */
7222 	switch (found_addr->type) {
7223 	case IGU_ADDR_TYPE_MSIX_MEM:
7224 		sprintf(parsed_addr_data, " vector_num = 0x%x", cmd_addr / 2);
7225 		break;
7226 	case IGU_ADDR_TYPE_WRITE_INT_ACK:
7227 	case IGU_ADDR_TYPE_WRITE_PROD_UPDATE:
7228 		sprintf(parsed_addr_data,
7229 			" SB = 0x%x", cmd_addr - found_addr->start_addr);
7230 		break;
7231 	default:
7232 		parsed_addr_data[0] = '\0';
7233 	}
7234 
7235 	if (!is_wr_cmd) {
7236 		parsed_wr_data[0] = '\0';
7237 		goto out;
7238 	}
7239 
7240 	/* Prepare parsed write data */
7241 	wr_data = GET_FIELD(dword12, IGU_FIFO_ELEMENT_DWORD12_WR_DATA);
7242 	prod_cons = GET_FIELD(wr_data, IGU_FIFO_WR_DATA_PROD_CONS);
7243 	is_cleanup = GET_FIELD(wr_data, IGU_FIFO_WR_DATA_CMD_TYPE);
7244 
7245 	if (source == IGU_SRC_ATTN) {
7246 		sprintf(parsed_wr_data, "prod: 0x%x, ", prod_cons);
7247 	} else {
7248 		if (is_cleanup) {
7249 			u8 cleanup_val, cleanup_type;
7250 
7251 			cleanup_val =
7252 				GET_FIELD(wr_data,
7253 					  IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_VAL);
7254 			cleanup_type =
7255 			    GET_FIELD(wr_data,
7256 				      IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_TYPE);
7257 
7258 			sprintf(parsed_wr_data,
7259 				"cmd_type: cleanup, cleanup_val: %s, cleanup_type : %d, ",
7260 				cleanup_val ? "set" : "clear",
7261 				cleanup_type);
7262 		} else {
7263 			u8 update_flag, en_dis_int_for_sb, segment;
7264 			u8 timer_mask;
7265 
7266 			update_flag = GET_FIELD(wr_data,
7267 						IGU_FIFO_WR_DATA_UPDATE_FLAG);
7268 			en_dis_int_for_sb =
7269 				GET_FIELD(wr_data,
7270 					  IGU_FIFO_WR_DATA_EN_DIS_INT_FOR_SB);
7271 			segment = GET_FIELD(wr_data,
7272 					    IGU_FIFO_WR_DATA_SEGMENT);
7273 			timer_mask = GET_FIELD(wr_data,
7274 					       IGU_FIFO_WR_DATA_TIMER_MASK);
7275 
7276 			sprintf(parsed_wr_data,
7277 				"cmd_type: prod/cons update, prod/cons: 0x%x, update_flag: %s, en_dis_int_for_sb : %s, segment : %s, timer_mask = %d, ",
7278 				prod_cons,
7279 				update_flag ? "update" : "nop",
7280 				en_dis_int_for_sb ?
7281 				(en_dis_int_for_sb == 1 ? "disable" : "nop") :
7282 				"enable",
7283 				segment ? "attn" : "regular",
7284 				timer_mask);
7285 		}
7286 	}
7287 out:
7288 	/* Add parsed element to parsed buffer */
7289 	*results_offset += sprintf(qed_get_buf_ptr(results_buf,
7290 						   *results_offset),
7291 				   "raw: 0x%01x%08x%08x, %s: %d, source : %s, type : %s, cmd_addr : 0x%x(%s%s), %serror: %s\n",
7292 				   element->dword2, element->dword1,
7293 				   element->dword0,
7294 				   is_pf ? "pf" : "vf",
7295 				   GET_FIELD(element->dword0,
7296 					     IGU_FIFO_ELEMENT_DWORD0_FID),
7297 				   s_igu_fifo_source_strs[source],
7298 				   is_wr_cmd ? "wr" : "rd",
7299 				   cmd_addr,
7300 				   (!is_pf && found_addr->vf_desc)
7301 				   ? found_addr->vf_desc
7302 				   : found_addr->desc,
7303 				   parsed_addr_data,
7304 				   parsed_wr_data,
7305 				   s_igu_fifo_error_strs[err_type]);
7306 
7307 	return DBG_STATUS_OK;
7308 }
7309 
7310 /* Parses an IGU FIFO dump buffer.
7311  * If result_buf is not NULL, the IGU FIFO results are printed to it.
7312  * In any case, the required results buffer size is assigned to
7313  * parsed_results_bytes.
7314  * The parsing status is returned.
7315  */
qed_parse_igu_fifo_dump(u32 * dump_buf,char * results_buf,u32 * parsed_results_bytes)7316 static enum dbg_status qed_parse_igu_fifo_dump(u32 *dump_buf,
7317 					       char *results_buf,
7318 					       u32 *parsed_results_bytes)
7319 {
7320 	const char *section_name, *param_name, *param_str_val;
7321 	u32 param_num_val, num_section_params, num_elements;
7322 	struct igu_fifo_element *elements;
7323 	enum dbg_status status;
7324 	u32 results_offset = 0;
7325 	u8 i;
7326 
7327 	/* Read global_params section */
7328 	dump_buf += qed_read_section_hdr(dump_buf,
7329 					 &section_name, &num_section_params);
7330 	if (strcmp(section_name, "global_params"))
7331 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7332 
7333 	/* Print global params */
7334 	dump_buf += qed_print_section_params(dump_buf,
7335 					     num_section_params,
7336 					     results_buf, &results_offset);
7337 
7338 	/* Read igu_fifo_data section */
7339 	dump_buf += qed_read_section_hdr(dump_buf,
7340 					 &section_name, &num_section_params);
7341 	if (strcmp(section_name, "igu_fifo_data"))
7342 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7343 	dump_buf += qed_read_param(dump_buf,
7344 				   &param_name, &param_str_val, &param_num_val);
7345 	if (strcmp(param_name, "size"))
7346 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7347 	if (param_num_val % IGU_FIFO_ELEMENT_DWORDS)
7348 		return DBG_STATUS_IGU_FIFO_BAD_DATA;
7349 	num_elements = param_num_val / IGU_FIFO_ELEMENT_DWORDS;
7350 	elements = (struct igu_fifo_element *)dump_buf;
7351 
7352 	/* Decode elements */
7353 	for (i = 0; i < num_elements; i++) {
7354 		status = qed_parse_igu_fifo_element(&elements[i],
7355 						    results_buf,
7356 						    &results_offset);
7357 		if (status != DBG_STATUS_OK)
7358 			return status;
7359 	}
7360 
7361 	results_offset += sprintf(qed_get_buf_ptr(results_buf,
7362 						  results_offset),
7363 				  "fifo contained %d elements", num_elements);
7364 
7365 	/* Add 1 for string NULL termination */
7366 	*parsed_results_bytes = results_offset + 1;
7367 
7368 	return DBG_STATUS_OK;
7369 }
7370 
7371 static enum dbg_status
qed_parse_protection_override_dump(u32 * dump_buf,char * results_buf,u32 * parsed_results_bytes)7372 qed_parse_protection_override_dump(u32 *dump_buf,
7373 				   char *results_buf,
7374 				   u32 *parsed_results_bytes)
7375 {
7376 	const char *section_name, *param_name, *param_str_val;
7377 	u32 param_num_val, num_section_params, num_elements;
7378 	struct protection_override_element *elements;
7379 	u32 results_offset = 0;
7380 	u8 i;
7381 
7382 	/* Read global_params section */
7383 	dump_buf += qed_read_section_hdr(dump_buf,
7384 					 &section_name, &num_section_params);
7385 	if (strcmp(section_name, "global_params"))
7386 		return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA;
7387 
7388 	/* Print global params */
7389 	dump_buf += qed_print_section_params(dump_buf,
7390 					     num_section_params,
7391 					     results_buf, &results_offset);
7392 
7393 	/* Read protection_override_data section */
7394 	dump_buf += qed_read_section_hdr(dump_buf,
7395 					 &section_name, &num_section_params);
7396 	if (strcmp(section_name, "protection_override_data"))
7397 		return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA;
7398 	dump_buf += qed_read_param(dump_buf,
7399 				   &param_name, &param_str_val, &param_num_val);
7400 	if (strcmp(param_name, "size"))
7401 		return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA;
7402 	if (param_num_val % PROTECTION_OVERRIDE_ELEMENT_DWORDS)
7403 		return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA;
7404 	num_elements = param_num_val / PROTECTION_OVERRIDE_ELEMENT_DWORDS;
7405 	elements = (struct protection_override_element *)dump_buf;
7406 
7407 	/* Decode elements */
7408 	for (i = 0; i < num_elements; i++) {
7409 		u32 address = GET_FIELD(elements[i].data,
7410 					PROTECTION_OVERRIDE_ELEMENT_ADDRESS) *
7411 			      PROTECTION_OVERRIDE_ELEMENT_ADDR_FACTOR;
7412 
7413 		results_offset +=
7414 		    sprintf(qed_get_buf_ptr(results_buf,
7415 					    results_offset),
7416 			    "window %2d, address: 0x%07x, size: %7d regs, read: %d, write: %d, read protection: %-12s, write protection: %-12s\n",
7417 			    i, address,
7418 			    (u32)GET_FIELD(elements[i].data,
7419 				      PROTECTION_OVERRIDE_ELEMENT_WINDOW_SIZE),
7420 			    (u32)GET_FIELD(elements[i].data,
7421 				      PROTECTION_OVERRIDE_ELEMENT_READ),
7422 			    (u32)GET_FIELD(elements[i].data,
7423 				      PROTECTION_OVERRIDE_ELEMENT_WRITE),
7424 			    s_protection_strs[GET_FIELD(elements[i].data,
7425 				PROTECTION_OVERRIDE_ELEMENT_READ_PROTECTION)],
7426 			    s_protection_strs[GET_FIELD(elements[i].data,
7427 				PROTECTION_OVERRIDE_ELEMENT_WRITE_PROTECTION)]);
7428 	}
7429 
7430 	results_offset += sprintf(qed_get_buf_ptr(results_buf,
7431 						  results_offset),
7432 				  "protection override contained %d elements",
7433 				  num_elements);
7434 
7435 	/* Add 1 for string NULL termination */
7436 	*parsed_results_bytes = results_offset + 1;
7437 
7438 	return DBG_STATUS_OK;
7439 }
7440 
7441 /* Parses a FW Asserts dump buffer.
7442  * If result_buf is not NULL, the FW Asserts results are printed to it.
7443  * In any case, the required results buffer size is assigned to
7444  * parsed_results_bytes.
7445  * The parsing status is returned.
7446  */
qed_parse_fw_asserts_dump(u32 * dump_buf,char * results_buf,u32 * parsed_results_bytes)7447 static enum dbg_status qed_parse_fw_asserts_dump(u32 *dump_buf,
7448 						 char *results_buf,
7449 						 u32 *parsed_results_bytes)
7450 {
7451 	u32 num_section_params, param_num_val, i, results_offset = 0;
7452 	const char *param_name, *param_str_val, *section_name;
7453 	bool last_section_found = false;
7454 
7455 	*parsed_results_bytes = 0;
7456 
7457 	/* Read global_params section */
7458 	dump_buf += qed_read_section_hdr(dump_buf,
7459 					 &section_name, &num_section_params);
7460 	if (strcmp(section_name, "global_params"))
7461 		return DBG_STATUS_FW_ASSERTS_PARSE_FAILED;
7462 
7463 	/* Print global params */
7464 	dump_buf += qed_print_section_params(dump_buf,
7465 					     num_section_params,
7466 					     results_buf, &results_offset);
7467 
7468 	while (!last_section_found) {
7469 		dump_buf += qed_read_section_hdr(dump_buf,
7470 						 &section_name,
7471 						 &num_section_params);
7472 		if (!strcmp(section_name, "fw_asserts")) {
7473 			/* Extract params */
7474 			const char *storm_letter = NULL;
7475 			u32 storm_dump_size = 0;
7476 
7477 			for (i = 0; i < num_section_params; i++) {
7478 				dump_buf += qed_read_param(dump_buf,
7479 							   &param_name,
7480 							   &param_str_val,
7481 							   &param_num_val);
7482 				if (!strcmp(param_name, "storm"))
7483 					storm_letter = param_str_val;
7484 				else if (!strcmp(param_name, "size"))
7485 					storm_dump_size = param_num_val;
7486 				else
7487 					return
7488 					    DBG_STATUS_FW_ASSERTS_PARSE_FAILED;
7489 			}
7490 
7491 			if (!storm_letter || !storm_dump_size)
7492 				return DBG_STATUS_FW_ASSERTS_PARSE_FAILED;
7493 
7494 			/* Print data */
7495 			results_offset +=
7496 			    sprintf(qed_get_buf_ptr(results_buf,
7497 						    results_offset),
7498 				    "\n%sSTORM_ASSERT: size=%d\n",
7499 				    storm_letter, storm_dump_size);
7500 			for (i = 0; i < storm_dump_size; i++, dump_buf++)
7501 				results_offset +=
7502 				    sprintf(qed_get_buf_ptr(results_buf,
7503 							    results_offset),
7504 					    "%08x\n", *dump_buf);
7505 		} else if (!strcmp(section_name, "last")) {
7506 			last_section_found = true;
7507 		} else {
7508 			return DBG_STATUS_FW_ASSERTS_PARSE_FAILED;
7509 		}
7510 	}
7511 
7512 	/* Add 1 for string NULL termination */
7513 	*parsed_results_bytes = results_offset + 1;
7514 
7515 	return DBG_STATUS_OK;
7516 }
7517 
7518 /***************************** Public Functions *******************************/
7519 
qed_dbg_user_set_bin_ptr(struct qed_hwfn * p_hwfn,const u8 * const bin_ptr)7520 enum dbg_status qed_dbg_user_set_bin_ptr(struct qed_hwfn *p_hwfn,
7521 					 const u8 * const bin_ptr)
7522 {
7523 	struct bin_buffer_hdr *buf_hdrs = (struct bin_buffer_hdr *)bin_ptr;
7524 	u8 buf_id;
7525 
7526 	/* Convert binary data to debug arrays */
7527 	for (buf_id = 0; buf_id < MAX_BIN_DBG_BUFFER_TYPE; buf_id++)
7528 		qed_set_dbg_bin_buf(p_hwfn,
7529 				    (enum bin_dbg_buffer_type)buf_id,
7530 				    (u32 *)(bin_ptr + buf_hdrs[buf_id].offset),
7531 				    buf_hdrs[buf_id].length);
7532 
7533 	return DBG_STATUS_OK;
7534 }
7535 
qed_dbg_alloc_user_data(struct qed_hwfn * p_hwfn,void ** user_data_ptr)7536 enum dbg_status qed_dbg_alloc_user_data(struct qed_hwfn *p_hwfn,
7537 					void **user_data_ptr)
7538 {
7539 	*user_data_ptr = kzalloc(sizeof(struct dbg_tools_user_data),
7540 				 GFP_KERNEL);
7541 	if (!(*user_data_ptr))
7542 		return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
7543 
7544 	return DBG_STATUS_OK;
7545 }
7546 
qed_dbg_get_status_str(enum dbg_status status)7547 const char *qed_dbg_get_status_str(enum dbg_status status)
7548 {
7549 	return (status <
7550 		MAX_DBG_STATUS) ? s_status_str[status] : "Invalid debug status";
7551 }
7552 
qed_get_idle_chk_results_buf_size(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,u32 * results_buf_size)7553 enum dbg_status qed_get_idle_chk_results_buf_size(struct qed_hwfn *p_hwfn,
7554 						  u32 *dump_buf,
7555 						  u32 num_dumped_dwords,
7556 						  u32 *results_buf_size)
7557 {
7558 	u32 num_errors, num_warnings;
7559 
7560 	return qed_parse_idle_chk_dump(p_hwfn,
7561 				       dump_buf,
7562 				       num_dumped_dwords,
7563 				       NULL,
7564 				       results_buf_size,
7565 				       &num_errors, &num_warnings);
7566 }
7567 
qed_print_idle_chk_results(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf,u32 * num_errors,u32 * num_warnings)7568 enum dbg_status qed_print_idle_chk_results(struct qed_hwfn *p_hwfn,
7569 					   u32 *dump_buf,
7570 					   u32 num_dumped_dwords,
7571 					   char *results_buf,
7572 					   u32 *num_errors,
7573 					   u32 *num_warnings)
7574 {
7575 	u32 parsed_buf_size;
7576 
7577 	return qed_parse_idle_chk_dump(p_hwfn,
7578 				       dump_buf,
7579 				       num_dumped_dwords,
7580 				       results_buf,
7581 				       &parsed_buf_size,
7582 				       num_errors, num_warnings);
7583 }
7584 
qed_dbg_mcp_trace_set_meta_data(struct qed_hwfn * p_hwfn,const u32 * meta_buf)7585 void qed_dbg_mcp_trace_set_meta_data(struct qed_hwfn *p_hwfn,
7586 				     const u32 *meta_buf)
7587 {
7588 	struct dbg_tools_user_data *dev_user_data =
7589 		qed_dbg_get_user_data(p_hwfn);
7590 
7591 	dev_user_data->mcp_trace_user_meta_buf = meta_buf;
7592 }
7593 
qed_get_mcp_trace_results_buf_size(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,u32 * results_buf_size)7594 enum dbg_status qed_get_mcp_trace_results_buf_size(struct qed_hwfn *p_hwfn,
7595 						   u32 *dump_buf,
7596 						   u32 num_dumped_dwords,
7597 						   u32 *results_buf_size)
7598 {
7599 	return qed_parse_mcp_trace_dump(p_hwfn,
7600 					dump_buf, NULL, results_buf_size, true);
7601 }
7602 
qed_print_mcp_trace_results(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf)7603 enum dbg_status qed_print_mcp_trace_results(struct qed_hwfn *p_hwfn,
7604 					    u32 *dump_buf,
7605 					    u32 num_dumped_dwords,
7606 					    char *results_buf)
7607 {
7608 	u32 parsed_buf_size;
7609 
7610 	/* Doesn't do anything, needed for compile time asserts */
7611 	qed_user_static_asserts();
7612 
7613 	return qed_parse_mcp_trace_dump(p_hwfn,
7614 					dump_buf,
7615 					results_buf, &parsed_buf_size, true);
7616 }
7617 
7618 /* Frees the specified MCP Trace meta data */
qed_mcp_trace_free_meta_data(struct qed_hwfn * p_hwfn)7619 void qed_mcp_trace_free_meta_data(struct qed_hwfn *p_hwfn)
7620 {
7621 	struct dbg_tools_user_data *dev_user_data;
7622 	struct mcp_trace_meta *meta;
7623 	u32 i;
7624 
7625 	dev_user_data = qed_dbg_get_user_data(p_hwfn);
7626 	meta = &dev_user_data->mcp_trace_meta;
7627 	if (!meta->is_allocated)
7628 		return;
7629 
7630 	/* Release modules */
7631 	if (meta->modules) {
7632 		for (i = 0; i < meta->modules_num; i++)
7633 			kfree(meta->modules[i]);
7634 		kfree(meta->modules);
7635 	}
7636 
7637 	/* Release formats */
7638 	if (meta->formats) {
7639 		for (i = 0; i < meta->formats_num; i++)
7640 			kfree(meta->formats[i].format_str);
7641 		kfree(meta->formats);
7642 	}
7643 
7644 	meta->is_allocated = false;
7645 }
7646 
qed_get_reg_fifo_results_buf_size(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,u32 * results_buf_size)7647 enum dbg_status qed_get_reg_fifo_results_buf_size(struct qed_hwfn *p_hwfn,
7648 						  u32 *dump_buf,
7649 						  u32 num_dumped_dwords,
7650 						  u32 *results_buf_size)
7651 {
7652 	return qed_parse_reg_fifo_dump(dump_buf, NULL, results_buf_size);
7653 }
7654 
qed_print_reg_fifo_results(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf)7655 enum dbg_status qed_print_reg_fifo_results(struct qed_hwfn *p_hwfn,
7656 					   u32 *dump_buf,
7657 					   u32 num_dumped_dwords,
7658 					   char *results_buf)
7659 {
7660 	u32 parsed_buf_size;
7661 
7662 	return qed_parse_reg_fifo_dump(dump_buf, results_buf, &parsed_buf_size);
7663 }
7664 
qed_get_igu_fifo_results_buf_size(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,u32 * results_buf_size)7665 enum dbg_status qed_get_igu_fifo_results_buf_size(struct qed_hwfn *p_hwfn,
7666 						  u32 *dump_buf,
7667 						  u32 num_dumped_dwords,
7668 						  u32 *results_buf_size)
7669 {
7670 	return qed_parse_igu_fifo_dump(dump_buf, NULL, results_buf_size);
7671 }
7672 
qed_print_igu_fifo_results(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf)7673 enum dbg_status qed_print_igu_fifo_results(struct qed_hwfn *p_hwfn,
7674 					   u32 *dump_buf,
7675 					   u32 num_dumped_dwords,
7676 					   char *results_buf)
7677 {
7678 	u32 parsed_buf_size;
7679 
7680 	return qed_parse_igu_fifo_dump(dump_buf, results_buf, &parsed_buf_size);
7681 }
7682 
7683 enum dbg_status
qed_get_protection_override_results_buf_size(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,u32 * results_buf_size)7684 qed_get_protection_override_results_buf_size(struct qed_hwfn *p_hwfn,
7685 					     u32 *dump_buf,
7686 					     u32 num_dumped_dwords,
7687 					     u32 *results_buf_size)
7688 {
7689 	return qed_parse_protection_override_dump(dump_buf,
7690 						  NULL, results_buf_size);
7691 }
7692 
qed_print_protection_override_results(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf)7693 enum dbg_status qed_print_protection_override_results(struct qed_hwfn *p_hwfn,
7694 						      u32 *dump_buf,
7695 						      u32 num_dumped_dwords,
7696 						      char *results_buf)
7697 {
7698 	u32 parsed_buf_size;
7699 
7700 	return qed_parse_protection_override_dump(dump_buf,
7701 						  results_buf,
7702 						  &parsed_buf_size);
7703 }
7704 
qed_get_fw_asserts_results_buf_size(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,u32 * results_buf_size)7705 enum dbg_status qed_get_fw_asserts_results_buf_size(struct qed_hwfn *p_hwfn,
7706 						    u32 *dump_buf,
7707 						    u32 num_dumped_dwords,
7708 						    u32 *results_buf_size)
7709 {
7710 	return qed_parse_fw_asserts_dump(dump_buf, NULL, results_buf_size);
7711 }
7712 
qed_print_fw_asserts_results(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf)7713 enum dbg_status qed_print_fw_asserts_results(struct qed_hwfn *p_hwfn,
7714 					     u32 *dump_buf,
7715 					     u32 num_dumped_dwords,
7716 					     char *results_buf)
7717 {
7718 	u32 parsed_buf_size;
7719 
7720 	return qed_parse_fw_asserts_dump(dump_buf,
7721 					 results_buf, &parsed_buf_size);
7722 }
7723 
qed_dbg_parse_attn(struct qed_hwfn * p_hwfn,struct dbg_attn_block_result * results)7724 enum dbg_status qed_dbg_parse_attn(struct qed_hwfn *p_hwfn,
7725 				   struct dbg_attn_block_result *results)
7726 {
7727 	const u32 *block_attn_name_offsets;
7728 	const char *attn_name_base;
7729 	const char *block_name;
7730 	enum dbg_attn_type attn_type;
7731 	u8 num_regs, i, j;
7732 
7733 	num_regs = GET_FIELD(results->data, DBG_ATTN_BLOCK_RESULT_NUM_REGS);
7734 	attn_type = GET_FIELD(results->data, DBG_ATTN_BLOCK_RESULT_ATTN_TYPE);
7735 	block_name = qed_dbg_get_block_name(p_hwfn, results->block_id);
7736 	if (!block_name)
7737 		return DBG_STATUS_INVALID_ARGS;
7738 
7739 	if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_INDEXES].ptr ||
7740 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_NAME_OFFSETS].ptr ||
7741 	    !p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr)
7742 		return DBG_STATUS_DBG_ARRAY_NOT_SET;
7743 
7744 	block_attn_name_offsets =
7745 	    (u32 *)p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_NAME_OFFSETS].ptr +
7746 	    results->names_offset;
7747 
7748 	attn_name_base = p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr;
7749 
7750 	/* Go over registers with a non-zero attention status */
7751 	for (i = 0; i < num_regs; i++) {
7752 		struct dbg_attn_bit_mapping *bit_mapping;
7753 		struct dbg_attn_reg_result *reg_result;
7754 		u8 num_reg_attn, bit_idx = 0;
7755 
7756 		reg_result = &results->reg_results[i];
7757 		num_reg_attn = GET_FIELD(reg_result->data,
7758 					 DBG_ATTN_REG_RESULT_NUM_REG_ATTN);
7759 		bit_mapping = (struct dbg_attn_bit_mapping *)
7760 		    p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_INDEXES].ptr +
7761 		    reg_result->block_attn_offset;
7762 
7763 		/* Go over attention status bits */
7764 		for (j = 0; j < num_reg_attn; j++) {
7765 			u16 attn_idx_val = GET_FIELD(bit_mapping[j].data,
7766 						     DBG_ATTN_BIT_MAPPING_VAL);
7767 			const char *attn_name, *attn_type_str, *masked_str;
7768 			u32 attn_name_offset;
7769 			u32 sts_addr;
7770 
7771 			/* Check if bit mask should be advanced (due to unused
7772 			 * bits).
7773 			 */
7774 			if (GET_FIELD(bit_mapping[j].data,
7775 				      DBG_ATTN_BIT_MAPPING_IS_UNUSED_BIT_CNT)) {
7776 				bit_idx += (u8)attn_idx_val;
7777 				continue;
7778 			}
7779 
7780 			/* Check current bit index */
7781 			if (reg_result->sts_val & BIT(bit_idx)) {
7782 				/* An attention bit with value=1 was found
7783 				 * Find attention name
7784 				 */
7785 				attn_name_offset =
7786 					block_attn_name_offsets[attn_idx_val];
7787 				attn_name = attn_name_base + attn_name_offset;
7788 				attn_type_str =
7789 					(attn_type ==
7790 					 ATTN_TYPE_INTERRUPT ? "Interrupt" :
7791 					 "Parity");
7792 				masked_str = reg_result->mask_val &
7793 					     BIT(bit_idx) ?
7794 					     " [masked]" : "";
7795 				sts_addr =
7796 				GET_FIELD(reg_result->data,
7797 					  DBG_ATTN_REG_RESULT_STS_ADDRESS);
7798 				DP_NOTICE(p_hwfn,
7799 					  "%s (%s) : %s [address 0x%08x, bit %d]%s\n",
7800 					  block_name, attn_type_str, attn_name,
7801 					  sts_addr * 4, bit_idx, masked_str);
7802 			}
7803 
7804 			bit_idx++;
7805 		}
7806 	}
7807 
7808 	return DBG_STATUS_OK;
7809 }
7810 
7811 /* Wrapper for unifying the idle_chk and mcp_trace api */
7812 static enum dbg_status
qed_print_idle_chk_results_wrapper(struct qed_hwfn * p_hwfn,u32 * dump_buf,u32 num_dumped_dwords,char * results_buf)7813 qed_print_idle_chk_results_wrapper(struct qed_hwfn *p_hwfn,
7814 				   u32 *dump_buf,
7815 				   u32 num_dumped_dwords,
7816 				   char *results_buf)
7817 {
7818 	u32 num_errors, num_warnnings;
7819 
7820 	return qed_print_idle_chk_results(p_hwfn, dump_buf, num_dumped_dwords,
7821 					  results_buf, &num_errors,
7822 					  &num_warnnings);
7823 }
7824 
7825 static DEFINE_MUTEX(qed_dbg_lock);
7826 
7827 #define MAX_PHY_RESULT_BUFFER 9000
7828 
7829 /******************************** Feature Meta data section ******************/
7830 
7831 #define GRC_NUM_STR_FUNCS 2
7832 #define IDLE_CHK_NUM_STR_FUNCS 1
7833 #define MCP_TRACE_NUM_STR_FUNCS 1
7834 #define REG_FIFO_NUM_STR_FUNCS 1
7835 #define IGU_FIFO_NUM_STR_FUNCS 1
7836 #define PROTECTION_OVERRIDE_NUM_STR_FUNCS 1
7837 #define FW_ASSERTS_NUM_STR_FUNCS 1
7838 #define ILT_NUM_STR_FUNCS 1
7839 #define PHY_NUM_STR_FUNCS 20
7840 
7841 /* Feature meta data lookup table */
7842 static struct {
7843 	char *name;
7844 	u32 num_funcs;
7845 	enum dbg_status (*get_size)(struct qed_hwfn *p_hwfn,
7846 				    struct qed_ptt *p_ptt, u32 *size);
7847 	enum dbg_status (*perform_dump)(struct qed_hwfn *p_hwfn,
7848 					struct qed_ptt *p_ptt, u32 *dump_buf,
7849 					u32 buf_size, u32 *dumped_dwords);
7850 	enum dbg_status (*print_results)(struct qed_hwfn *p_hwfn,
7851 					 u32 *dump_buf, u32 num_dumped_dwords,
7852 					 char *results_buf);
7853 	enum dbg_status (*results_buf_size)(struct qed_hwfn *p_hwfn,
7854 					    u32 *dump_buf,
7855 					    u32 num_dumped_dwords,
7856 					    u32 *results_buf_size);
7857 	const struct qed_func_lookup *hsi_func_lookup;
7858 } qed_features_lookup[] = {
7859 	{
7860 	"grc", GRC_NUM_STR_FUNCS, qed_dbg_grc_get_dump_buf_size,
7861 		    qed_dbg_grc_dump, NULL, NULL, NULL}, {
7862 	"idle_chk", IDLE_CHK_NUM_STR_FUNCS,
7863 		    qed_dbg_idle_chk_get_dump_buf_size,
7864 		    qed_dbg_idle_chk_dump,
7865 		    qed_print_idle_chk_results_wrapper,
7866 		    qed_get_idle_chk_results_buf_size,
7867 		    NULL}, {
7868 	"mcp_trace", MCP_TRACE_NUM_STR_FUNCS,
7869 		    qed_dbg_mcp_trace_get_dump_buf_size,
7870 		    qed_dbg_mcp_trace_dump, qed_print_mcp_trace_results,
7871 		    qed_get_mcp_trace_results_buf_size,
7872 		    NULL}, {
7873 	"reg_fifo", REG_FIFO_NUM_STR_FUNCS,
7874 		    qed_dbg_reg_fifo_get_dump_buf_size,
7875 		    qed_dbg_reg_fifo_dump, qed_print_reg_fifo_results,
7876 		    qed_get_reg_fifo_results_buf_size,
7877 		    NULL}, {
7878 	"igu_fifo", IGU_FIFO_NUM_STR_FUNCS,
7879 		    qed_dbg_igu_fifo_get_dump_buf_size,
7880 		    qed_dbg_igu_fifo_dump, qed_print_igu_fifo_results,
7881 		    qed_get_igu_fifo_results_buf_size,
7882 		    NULL}, {
7883 	"protection_override", PROTECTION_OVERRIDE_NUM_STR_FUNCS,
7884 		    qed_dbg_protection_override_get_dump_buf_size,
7885 		    qed_dbg_protection_override_dump,
7886 		    qed_print_protection_override_results,
7887 		    qed_get_protection_override_results_buf_size,
7888 		    NULL}, {
7889 	"fw_asserts", FW_ASSERTS_NUM_STR_FUNCS,
7890 		    qed_dbg_fw_asserts_get_dump_buf_size,
7891 		    qed_dbg_fw_asserts_dump,
7892 		    qed_print_fw_asserts_results,
7893 		    qed_get_fw_asserts_results_buf_size,
7894 		    NULL}, {
7895 	"ilt", ILT_NUM_STR_FUNCS, qed_dbg_ilt_get_dump_buf_size,
7896 		    qed_dbg_ilt_dump, NULL, NULL, NULL},};
7897 
qed_dbg_print_feature(u8 * p_text_buf,u32 text_size)7898 static void qed_dbg_print_feature(u8 *p_text_buf, u32 text_size)
7899 {
7900 	u32 i, precision = 80;
7901 
7902 	if (!p_text_buf)
7903 		return;
7904 
7905 	pr_notice("\n%.*s", precision, p_text_buf);
7906 	for (i = precision; i < text_size; i += precision)
7907 		pr_cont("%.*s", precision, p_text_buf + i);
7908 	pr_cont("\n");
7909 }
7910 
7911 #define QED_RESULTS_BUF_MIN_SIZE 16
7912 /* Generic function for decoding debug feature info */
format_feature(struct qed_hwfn * p_hwfn,enum qed_dbg_features feature_idx)7913 static enum dbg_status format_feature(struct qed_hwfn *p_hwfn,
7914 				      enum qed_dbg_features feature_idx)
7915 {
7916 	struct qed_dbg_feature *feature =
7917 	    &p_hwfn->cdev->dbg_features[feature_idx];
7918 	u32 txt_size_bytes, null_char_pos, i;
7919 	u32 *dbuf, dwords;
7920 	enum dbg_status rc;
7921 	char *text_buf;
7922 
7923 	/* Check if feature supports formatting capability */
7924 	if (!qed_features_lookup[feature_idx].results_buf_size)
7925 		return DBG_STATUS_OK;
7926 
7927 	dbuf = (u32 *)feature->dump_buf;
7928 	dwords = feature->dumped_dwords;
7929 
7930 	/* Obtain size of formatted output */
7931 	rc = qed_features_lookup[feature_idx].results_buf_size(p_hwfn,
7932 							       dbuf,
7933 							       dwords,
7934 							       &txt_size_bytes);
7935 	if (rc != DBG_STATUS_OK)
7936 		return rc;
7937 
7938 	/* Make sure that the allocated size is a multiple of dword
7939 	 * (4 bytes).
7940 	 */
7941 	null_char_pos = txt_size_bytes - 1;
7942 	txt_size_bytes = (txt_size_bytes + 3) & ~0x3;
7943 
7944 	if (txt_size_bytes < QED_RESULTS_BUF_MIN_SIZE) {
7945 		DP_NOTICE(p_hwfn->cdev,
7946 			  "formatted size of feature was too small %d. Aborting\n",
7947 			  txt_size_bytes);
7948 		return DBG_STATUS_INVALID_ARGS;
7949 	}
7950 
7951 	/* allocate temp text buf */
7952 	text_buf = vzalloc(txt_size_bytes);
7953 	if (!text_buf) {
7954 		DP_NOTICE(p_hwfn->cdev,
7955 			  "failed to allocate text buffer. Aborting\n");
7956 		return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
7957 	}
7958 
7959 	/* Decode feature opcodes to string on temp buf */
7960 	rc = qed_features_lookup[feature_idx].print_results(p_hwfn,
7961 							    dbuf,
7962 							    dwords,
7963 							    text_buf);
7964 	if (rc != DBG_STATUS_OK) {
7965 		vfree(text_buf);
7966 		return rc;
7967 	}
7968 
7969 	/* Replace the original null character with a '\n' character.
7970 	 * The bytes that were added as a result of the dword alignment are also
7971 	 * padded with '\n' characters.
7972 	 */
7973 	for (i = null_char_pos; i < txt_size_bytes; i++)
7974 		text_buf[i] = '\n';
7975 
7976 	/* Dump printable feature to log */
7977 	if (p_hwfn->cdev->print_dbg_data)
7978 		qed_dbg_print_feature(text_buf, txt_size_bytes);
7979 
7980 	/* Dump binary data as is to the output file */
7981 	if (p_hwfn->cdev->dbg_bin_dump) {
7982 		vfree(text_buf);
7983 		return rc;
7984 	}
7985 
7986 	/* Free the old dump_buf and point the dump_buf to the newly allocated
7987 	 * and formatted text buffer.
7988 	 */
7989 	vfree(feature->dump_buf);
7990 	feature->dump_buf = text_buf;
7991 	feature->buf_size = txt_size_bytes;
7992 	feature->dumped_dwords = txt_size_bytes / 4;
7993 
7994 	return rc;
7995 }
7996 
7997 #define MAX_DBG_FEATURE_SIZE_DWORDS	0x3FFFFFFF
7998 
7999 /* Generic function for performing the dump of a debug feature. */
qed_dbg_dump(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,enum qed_dbg_features feature_idx)8000 static enum dbg_status qed_dbg_dump(struct qed_hwfn *p_hwfn,
8001 				    struct qed_ptt *p_ptt,
8002 				    enum qed_dbg_features feature_idx)
8003 {
8004 	struct qed_dbg_feature *feature =
8005 	    &p_hwfn->cdev->dbg_features[feature_idx];
8006 	u32 buf_size_dwords, *dbuf, *dwords;
8007 	enum dbg_status rc;
8008 
8009 	DP_NOTICE(p_hwfn->cdev, "Collecting a debug feature [\"%s\"]\n",
8010 		  qed_features_lookup[feature_idx].name);
8011 
8012 	/* Dump_buf was already allocated need to free (this can happen if dump
8013 	 * was called but file was never read).
8014 	 * We can't use the buffer as is since size may have changed.
8015 	 */
8016 	if (feature->dump_buf) {
8017 		vfree(feature->dump_buf);
8018 		feature->dump_buf = NULL;
8019 	}
8020 
8021 	/* Get buffer size from hsi, allocate accordingly, and perform the
8022 	 * dump.
8023 	 */
8024 	rc = qed_features_lookup[feature_idx].get_size(p_hwfn, p_ptt,
8025 						       &buf_size_dwords);
8026 	if (rc != DBG_STATUS_OK && rc != DBG_STATUS_NVRAM_GET_IMAGE_FAILED)
8027 		return rc;
8028 
8029 	if (buf_size_dwords > MAX_DBG_FEATURE_SIZE_DWORDS) {
8030 		feature->buf_size = 0;
8031 		DP_NOTICE(p_hwfn->cdev,
8032 			  "Debug feature [\"%s\"] size (0x%x dwords) exceeds maximum size (0x%x dwords)\n",
8033 			  qed_features_lookup[feature_idx].name,
8034 			  buf_size_dwords, MAX_DBG_FEATURE_SIZE_DWORDS);
8035 
8036 		return DBG_STATUS_OK;
8037 	}
8038 
8039 	feature->buf_size = buf_size_dwords * sizeof(u32);
8040 	feature->dump_buf = vmalloc(feature->buf_size);
8041 	if (!feature->dump_buf)
8042 		return DBG_STATUS_VIRT_MEM_ALLOC_FAILED;
8043 
8044 	dbuf = (u32 *)feature->dump_buf;
8045 	dwords = &feature->dumped_dwords;
8046 	rc = qed_features_lookup[feature_idx].perform_dump(p_hwfn, p_ptt,
8047 							   dbuf,
8048 							   feature->buf_size /
8049 							   sizeof(u32),
8050 							   dwords);
8051 
8052 	/* If mcp is stuck we get DBG_STATUS_NVRAM_GET_IMAGE_FAILED error.
8053 	 * In this case the buffer holds valid binary data, but we won't able
8054 	 * to parse it (since parsing relies on data in NVRAM which is only
8055 	 * accessible when MFW is responsive). skip the formatting but return
8056 	 * success so that binary data is provided.
8057 	 */
8058 	if (rc == DBG_STATUS_NVRAM_GET_IMAGE_FAILED)
8059 		return DBG_STATUS_OK;
8060 
8061 	if (rc != DBG_STATUS_OK)
8062 		return rc;
8063 
8064 	/* Format output */
8065 	rc = format_feature(p_hwfn, feature_idx);
8066 	return rc;
8067 }
8068 
qed_dbg_grc(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8069 int qed_dbg_grc(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes)
8070 {
8071 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_GRC, num_dumped_bytes);
8072 }
8073 
qed_dbg_grc_size(struct qed_dev * cdev)8074 int qed_dbg_grc_size(struct qed_dev *cdev)
8075 {
8076 	return qed_dbg_feature_size(cdev, DBG_FEATURE_GRC);
8077 }
8078 
qed_dbg_idle_chk(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8079 int qed_dbg_idle_chk(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes)
8080 {
8081 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_IDLE_CHK,
8082 			       num_dumped_bytes);
8083 }
8084 
qed_dbg_idle_chk_size(struct qed_dev * cdev)8085 int qed_dbg_idle_chk_size(struct qed_dev *cdev)
8086 {
8087 	return qed_dbg_feature_size(cdev, DBG_FEATURE_IDLE_CHK);
8088 }
8089 
qed_dbg_reg_fifo(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8090 int qed_dbg_reg_fifo(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes)
8091 {
8092 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_REG_FIFO,
8093 			       num_dumped_bytes);
8094 }
8095 
qed_dbg_reg_fifo_size(struct qed_dev * cdev)8096 int qed_dbg_reg_fifo_size(struct qed_dev *cdev)
8097 {
8098 	return qed_dbg_feature_size(cdev, DBG_FEATURE_REG_FIFO);
8099 }
8100 
qed_dbg_igu_fifo(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8101 int qed_dbg_igu_fifo(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes)
8102 {
8103 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_IGU_FIFO,
8104 			       num_dumped_bytes);
8105 }
8106 
qed_dbg_igu_fifo_size(struct qed_dev * cdev)8107 int qed_dbg_igu_fifo_size(struct qed_dev *cdev)
8108 {
8109 	return qed_dbg_feature_size(cdev, DBG_FEATURE_IGU_FIFO);
8110 }
8111 
qed_dbg_nvm_image_length(struct qed_hwfn * p_hwfn,enum qed_nvm_images image_id,u32 * length)8112 static int qed_dbg_nvm_image_length(struct qed_hwfn *p_hwfn,
8113 				    enum qed_nvm_images image_id, u32 *length)
8114 {
8115 	struct qed_nvm_image_att image_att;
8116 	int rc;
8117 
8118 	*length = 0;
8119 	rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att);
8120 	if (rc)
8121 		return rc;
8122 
8123 	*length = image_att.length;
8124 
8125 	return rc;
8126 }
8127 
qed_dbg_nvm_image(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes,enum qed_nvm_images image_id)8128 static int qed_dbg_nvm_image(struct qed_dev *cdev, void *buffer,
8129 			     u32 *num_dumped_bytes,
8130 			     enum qed_nvm_images image_id)
8131 {
8132 	struct qed_hwfn *p_hwfn =
8133 		&cdev->hwfns[cdev->engine_for_debug];
8134 	u32 len_rounded;
8135 	int rc;
8136 
8137 	*num_dumped_bytes = 0;
8138 	rc = qed_dbg_nvm_image_length(p_hwfn, image_id, &len_rounded);
8139 	if (rc)
8140 		return rc;
8141 
8142 	DP_NOTICE(p_hwfn->cdev,
8143 		  "Collecting a debug feature [\"nvram image %d\"]\n",
8144 		  image_id);
8145 
8146 	len_rounded = roundup(len_rounded, sizeof(u32));
8147 	rc = qed_mcp_get_nvm_image(p_hwfn, image_id, buffer, len_rounded);
8148 	if (rc)
8149 		return rc;
8150 
8151 	/* QED_NVM_IMAGE_NVM_META image is not swapped like other images */
8152 	if (image_id != QED_NVM_IMAGE_NVM_META)
8153 		cpu_to_be32_array((__force __be32 *)buffer,
8154 				  (const u32 *)buffer,
8155 				  len_rounded / sizeof(u32));
8156 
8157 	*num_dumped_bytes = len_rounded;
8158 
8159 	return rc;
8160 }
8161 
qed_dbg_protection_override(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8162 int qed_dbg_protection_override(struct qed_dev *cdev, void *buffer,
8163 				u32 *num_dumped_bytes)
8164 {
8165 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_PROTECTION_OVERRIDE,
8166 			       num_dumped_bytes);
8167 }
8168 
qed_dbg_protection_override_size(struct qed_dev * cdev)8169 int qed_dbg_protection_override_size(struct qed_dev *cdev)
8170 {
8171 	return qed_dbg_feature_size(cdev, DBG_FEATURE_PROTECTION_OVERRIDE);
8172 }
8173 
qed_dbg_fw_asserts(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8174 int qed_dbg_fw_asserts(struct qed_dev *cdev, void *buffer,
8175 		       u32 *num_dumped_bytes)
8176 {
8177 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_FW_ASSERTS,
8178 			       num_dumped_bytes);
8179 }
8180 
qed_dbg_fw_asserts_size(struct qed_dev * cdev)8181 int qed_dbg_fw_asserts_size(struct qed_dev *cdev)
8182 {
8183 	return qed_dbg_feature_size(cdev, DBG_FEATURE_FW_ASSERTS);
8184 }
8185 
qed_dbg_ilt(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8186 int qed_dbg_ilt(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes)
8187 {
8188 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_ILT, num_dumped_bytes);
8189 }
8190 
qed_dbg_ilt_size(struct qed_dev * cdev)8191 int qed_dbg_ilt_size(struct qed_dev *cdev)
8192 {
8193 	return qed_dbg_feature_size(cdev, DBG_FEATURE_ILT);
8194 }
8195 
qed_dbg_mcp_trace(struct qed_dev * cdev,void * buffer,u32 * num_dumped_bytes)8196 int qed_dbg_mcp_trace(struct qed_dev *cdev, void *buffer,
8197 		      u32 *num_dumped_bytes)
8198 {
8199 	return qed_dbg_feature(cdev, buffer, DBG_FEATURE_MCP_TRACE,
8200 			       num_dumped_bytes);
8201 }
8202 
qed_dbg_mcp_trace_size(struct qed_dev * cdev)8203 int qed_dbg_mcp_trace_size(struct qed_dev *cdev)
8204 {
8205 	return qed_dbg_feature_size(cdev, DBG_FEATURE_MCP_TRACE);
8206 }
8207 
8208 /* Defines the amount of bytes allocated for recording the length of debugfs
8209  * feature buffer.
8210  */
8211 #define REGDUMP_HEADER_SIZE			sizeof(u32)
8212 #define REGDUMP_HEADER_SIZE_SHIFT		0
8213 #define REGDUMP_HEADER_SIZE_MASK		0xffffff
8214 #define REGDUMP_HEADER_FEATURE_SHIFT		24
8215 #define REGDUMP_HEADER_FEATURE_MASK		0x1f
8216 #define REGDUMP_HEADER_BIN_DUMP_SHIFT		29
8217 #define REGDUMP_HEADER_BIN_DUMP_MASK		0x1
8218 #define REGDUMP_HEADER_OMIT_ENGINE_SHIFT	30
8219 #define REGDUMP_HEADER_OMIT_ENGINE_MASK		0x1
8220 #define REGDUMP_HEADER_ENGINE_SHIFT		31
8221 #define REGDUMP_HEADER_ENGINE_MASK		0x1
8222 #define REGDUMP_MAX_SIZE			0x1000000
8223 #define ILT_DUMP_MAX_SIZE			(1024 * 1024 * 15)
8224 
8225 enum debug_print_features {
8226 	OLD_MODE = 0,
8227 	IDLE_CHK = 1,
8228 	GRC_DUMP = 2,
8229 	MCP_TRACE = 3,
8230 	REG_FIFO = 4,
8231 	PROTECTION_OVERRIDE = 5,
8232 	IGU_FIFO = 6,
8233 	PHY = 7,
8234 	FW_ASSERTS = 8,
8235 	NVM_CFG1 = 9,
8236 	DEFAULT_CFG = 10,
8237 	NVM_META = 11,
8238 	MDUMP = 12,
8239 	ILT_DUMP = 13,
8240 };
8241 
qed_calc_regdump_header(struct qed_dev * cdev,enum debug_print_features feature,int engine,u32 feature_size,u8 omit_engine,u8 dbg_bin_dump)8242 static u32 qed_calc_regdump_header(struct qed_dev *cdev,
8243 				   enum debug_print_features feature,
8244 				   int engine, u32 feature_size,
8245 				   u8 omit_engine, u8 dbg_bin_dump)
8246 {
8247 	u32 res = 0;
8248 
8249 	SET_FIELD(res, REGDUMP_HEADER_SIZE, feature_size);
8250 	if (res != feature_size)
8251 		DP_NOTICE(cdev,
8252 			  "Feature %d is too large (size 0x%x) and will corrupt the dump\n",
8253 			  feature, feature_size);
8254 
8255 	SET_FIELD(res, REGDUMP_HEADER_FEATURE, feature);
8256 	SET_FIELD(res, REGDUMP_HEADER_BIN_DUMP, dbg_bin_dump);
8257 	SET_FIELD(res, REGDUMP_HEADER_OMIT_ENGINE, omit_engine);
8258 	SET_FIELD(res, REGDUMP_HEADER_ENGINE, engine);
8259 
8260 	return res;
8261 }
8262 
qed_dbg_all_data(struct qed_dev * cdev,void * buffer)8263 int qed_dbg_all_data(struct qed_dev *cdev, void *buffer)
8264 {
8265 	u8 cur_engine, omit_engine = 0, org_engine;
8266 	struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug];
8267 	struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
8268 	int grc_params[MAX_DBG_GRC_PARAMS], rc, i;
8269 	u32 offset = 0, feature_size;
8270 
8271 	for (i = 0; i < MAX_DBG_GRC_PARAMS; i++)
8272 		grc_params[i] = dev_data->grc.param_val[i];
8273 
8274 	if (!QED_IS_CMT(cdev))
8275 		omit_engine = 1;
8276 
8277 	cdev->dbg_bin_dump = 1;
8278 	mutex_lock(&qed_dbg_lock);
8279 
8280 	org_engine = qed_get_debug_engine(cdev);
8281 	for (cur_engine = 0; cur_engine < cdev->num_hwfns; cur_engine++) {
8282 		/* Collect idle_chks and grcDump for each hw function */
8283 		DP_VERBOSE(cdev, QED_MSG_DEBUG,
8284 			   "obtaining idle_chk and grcdump for current engine\n");
8285 		qed_set_debug_engine(cdev, cur_engine);
8286 
8287 		/* First idle_chk */
8288 		rc = qed_dbg_idle_chk(cdev, (u8 *)buffer + offset +
8289 				      REGDUMP_HEADER_SIZE, &feature_size);
8290 		if (!rc) {
8291 			*(u32 *)((u8 *)buffer + offset) =
8292 			    qed_calc_regdump_header(cdev, IDLE_CHK,
8293 						    cur_engine,
8294 						    feature_size,
8295 						    omit_engine,
8296 						    cdev->dbg_bin_dump);
8297 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8298 		} else {
8299 			DP_ERR(cdev, "qed_dbg_idle_chk failed. rc = %d\n", rc);
8300 		}
8301 
8302 		/* Second idle_chk */
8303 		rc = qed_dbg_idle_chk(cdev, (u8 *)buffer + offset +
8304 				      REGDUMP_HEADER_SIZE, &feature_size);
8305 		if (!rc) {
8306 			*(u32 *)((u8 *)buffer + offset) =
8307 			    qed_calc_regdump_header(cdev, IDLE_CHK,
8308 						    cur_engine,
8309 						    feature_size,
8310 						    omit_engine,
8311 						    cdev->dbg_bin_dump);
8312 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8313 		} else {
8314 			DP_ERR(cdev, "qed_dbg_idle_chk failed. rc = %d\n", rc);
8315 		}
8316 
8317 		/* reg_fifo dump */
8318 		rc = qed_dbg_reg_fifo(cdev, (u8 *)buffer + offset +
8319 				      REGDUMP_HEADER_SIZE, &feature_size);
8320 		if (!rc) {
8321 			*(u32 *)((u8 *)buffer + offset) =
8322 			    qed_calc_regdump_header(cdev, REG_FIFO,
8323 						    cur_engine,
8324 						    feature_size,
8325 						    omit_engine,
8326 						    cdev->dbg_bin_dump);
8327 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8328 		} else {
8329 			DP_ERR(cdev, "qed_dbg_reg_fifo failed. rc = %d\n", rc);
8330 		}
8331 
8332 		/* igu_fifo dump */
8333 		rc = qed_dbg_igu_fifo(cdev, (u8 *)buffer + offset +
8334 				      REGDUMP_HEADER_SIZE, &feature_size);
8335 		if (!rc) {
8336 			*(u32 *)((u8 *)buffer + offset) =
8337 			    qed_calc_regdump_header(cdev, IGU_FIFO,
8338 						    cur_engine,
8339 						    feature_size,
8340 						    omit_engine,
8341 						    cdev->dbg_bin_dump);
8342 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8343 		} else {
8344 			DP_ERR(cdev, "qed_dbg_igu_fifo failed. rc = %d", rc);
8345 		}
8346 
8347 		/* protection_override dump */
8348 		rc = qed_dbg_protection_override(cdev, (u8 *)buffer + offset +
8349 						 REGDUMP_HEADER_SIZE,
8350 						 &feature_size);
8351 		if (!rc) {
8352 			*(u32 *)((u8 *)buffer + offset) =
8353 			    qed_calc_regdump_header(cdev,
8354 						    PROTECTION_OVERRIDE,
8355 						    cur_engine,
8356 						    feature_size,
8357 						    omit_engine,
8358 						    cdev->dbg_bin_dump);
8359 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8360 		} else {
8361 			DP_ERR(cdev,
8362 			       "qed_dbg_protection_override failed. rc = %d\n",
8363 			       rc);
8364 		}
8365 
8366 		/* fw_asserts dump */
8367 		rc = qed_dbg_fw_asserts(cdev, (u8 *)buffer + offset +
8368 					REGDUMP_HEADER_SIZE, &feature_size);
8369 		if (!rc) {
8370 			*(u32 *)((u8 *)buffer + offset) =
8371 			    qed_calc_regdump_header(cdev, FW_ASSERTS,
8372 						    cur_engine,
8373 						    feature_size,
8374 						    omit_engine,
8375 						    cdev->dbg_bin_dump);
8376 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8377 		} else {
8378 			DP_ERR(cdev, "qed_dbg_fw_asserts failed. rc = %d\n",
8379 			       rc);
8380 		}
8381 
8382 		feature_size = qed_dbg_ilt_size(cdev);
8383 		if (!cdev->disable_ilt_dump && feature_size <
8384 		    ILT_DUMP_MAX_SIZE) {
8385 			rc = qed_dbg_ilt(cdev, (u8 *)buffer + offset +
8386 					 REGDUMP_HEADER_SIZE, &feature_size);
8387 			if (!rc) {
8388 				*(u32 *)((u8 *)buffer + offset) =
8389 				    qed_calc_regdump_header(cdev, ILT_DUMP,
8390 							    cur_engine,
8391 							    feature_size,
8392 							    omit_engine,
8393 							    cdev->dbg_bin_dump);
8394 				offset += (feature_size + REGDUMP_HEADER_SIZE);
8395 			} else {
8396 				DP_ERR(cdev, "qed_dbg_ilt failed. rc = %d\n",
8397 				       rc);
8398 			}
8399 		}
8400 
8401 		/* Grc dump - must be last because when mcp stuck it will
8402 		 * clutter idle_chk, reg_fifo, ...
8403 		 */
8404 		for (i = 0; i < MAX_DBG_GRC_PARAMS; i++)
8405 			dev_data->grc.param_val[i] = grc_params[i];
8406 
8407 		rc = qed_dbg_grc(cdev, (u8 *)buffer + offset +
8408 				 REGDUMP_HEADER_SIZE, &feature_size);
8409 		if (!rc) {
8410 			*(u32 *)((u8 *)buffer + offset) =
8411 			    qed_calc_regdump_header(cdev, GRC_DUMP,
8412 						    cur_engine,
8413 						    feature_size,
8414 						    omit_engine,
8415 						    cdev->dbg_bin_dump);
8416 			offset += (feature_size + REGDUMP_HEADER_SIZE);
8417 		} else {
8418 			DP_ERR(cdev, "qed_dbg_grc failed. rc = %d", rc);
8419 		}
8420 	}
8421 
8422 	qed_set_debug_engine(cdev, org_engine);
8423 
8424 	/* mcp_trace */
8425 	rc = qed_dbg_mcp_trace(cdev, (u8 *)buffer + offset +
8426 			       REGDUMP_HEADER_SIZE, &feature_size);
8427 	if (!rc) {
8428 		*(u32 *)((u8 *)buffer + offset) =
8429 		    qed_calc_regdump_header(cdev, MCP_TRACE, cur_engine,
8430 					    feature_size, omit_engine,
8431 					    cdev->dbg_bin_dump);
8432 		offset += (feature_size + REGDUMP_HEADER_SIZE);
8433 	} else {
8434 		DP_ERR(cdev, "qed_dbg_mcp_trace failed. rc = %d\n", rc);
8435 	}
8436 
8437 	/* nvm cfg1 */
8438 	rc = qed_dbg_nvm_image(cdev,
8439 			       (u8 *)buffer + offset +
8440 			       REGDUMP_HEADER_SIZE, &feature_size,
8441 			       QED_NVM_IMAGE_NVM_CFG1);
8442 	if (!rc) {
8443 		*(u32 *)((u8 *)buffer + offset) =
8444 		    qed_calc_regdump_header(cdev, NVM_CFG1, cur_engine,
8445 					    feature_size, omit_engine,
8446 					    cdev->dbg_bin_dump);
8447 		offset += (feature_size + REGDUMP_HEADER_SIZE);
8448 	} else if (rc != -ENOENT) {
8449 		DP_ERR(cdev,
8450 		       "qed_dbg_nvm_image failed for image  %d (%s), rc = %d\n",
8451 		       QED_NVM_IMAGE_NVM_CFG1, "QED_NVM_IMAGE_NVM_CFG1",
8452 		       rc);
8453 	}
8454 
8455 		/* nvm default */
8456 	rc = qed_dbg_nvm_image(cdev,
8457 			       (u8 *)buffer + offset +
8458 			       REGDUMP_HEADER_SIZE, &feature_size,
8459 			       QED_NVM_IMAGE_DEFAULT_CFG);
8460 	if (!rc) {
8461 		*(u32 *)((u8 *)buffer + offset) =
8462 		    qed_calc_regdump_header(cdev, DEFAULT_CFG,
8463 					    cur_engine, feature_size,
8464 					    omit_engine,
8465 					    cdev->dbg_bin_dump);
8466 		offset += (feature_size + REGDUMP_HEADER_SIZE);
8467 	} else if (rc != -ENOENT) {
8468 		DP_ERR(cdev,
8469 		       "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n",
8470 		       QED_NVM_IMAGE_DEFAULT_CFG,
8471 		       "QED_NVM_IMAGE_DEFAULT_CFG", rc);
8472 	}
8473 
8474 	/* nvm meta */
8475 	rc = qed_dbg_nvm_image(cdev,
8476 			       (u8 *)buffer + offset +
8477 			       REGDUMP_HEADER_SIZE, &feature_size,
8478 			       QED_NVM_IMAGE_NVM_META);
8479 	if (!rc) {
8480 		*(u32 *)((u8 *)buffer + offset) =
8481 		    qed_calc_regdump_header(cdev, NVM_META, cur_engine,
8482 					    feature_size, omit_engine,
8483 					    cdev->dbg_bin_dump);
8484 		offset += (feature_size + REGDUMP_HEADER_SIZE);
8485 	} else if (rc != -ENOENT) {
8486 		DP_ERR(cdev,
8487 		       "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n",
8488 		       QED_NVM_IMAGE_NVM_META, "QED_NVM_IMAGE_NVM_META",
8489 		       rc);
8490 	}
8491 
8492 	/* nvm mdump */
8493 	rc = qed_dbg_nvm_image(cdev, (u8 *)buffer + offset +
8494 			       REGDUMP_HEADER_SIZE, &feature_size,
8495 			       QED_NVM_IMAGE_MDUMP);
8496 	if (!rc) {
8497 		*(u32 *)((u8 *)buffer + offset) =
8498 		    qed_calc_regdump_header(cdev, MDUMP, cur_engine,
8499 					    feature_size, omit_engine,
8500 					    cdev->dbg_bin_dump);
8501 		offset += (feature_size + REGDUMP_HEADER_SIZE);
8502 	} else if (rc != -ENOENT) {
8503 		DP_ERR(cdev,
8504 		       "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n",
8505 		       QED_NVM_IMAGE_MDUMP, "QED_NVM_IMAGE_MDUMP", rc);
8506 	}
8507 
8508 	mutex_unlock(&qed_dbg_lock);
8509 	cdev->dbg_bin_dump = 0;
8510 
8511 	return 0;
8512 }
8513 
qed_dbg_all_data_size(struct qed_dev * cdev)8514 int qed_dbg_all_data_size(struct qed_dev *cdev)
8515 {
8516 	u32 regs_len = 0, image_len = 0, ilt_len = 0, total_ilt_len = 0;
8517 	struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug];
8518 	u8 cur_engine, org_engine;
8519 
8520 	cdev->disable_ilt_dump = false;
8521 	org_engine = qed_get_debug_engine(cdev);
8522 	for (cur_engine = 0; cur_engine < cdev->num_hwfns; cur_engine++) {
8523 		/* Engine specific */
8524 		DP_VERBOSE(cdev, QED_MSG_DEBUG,
8525 			   "calculating idle_chk and grcdump register length for current engine\n");
8526 		qed_set_debug_engine(cdev, cur_engine);
8527 		regs_len += REGDUMP_HEADER_SIZE + qed_dbg_idle_chk_size(cdev) +
8528 		    REGDUMP_HEADER_SIZE + qed_dbg_idle_chk_size(cdev) +
8529 		    REGDUMP_HEADER_SIZE + qed_dbg_grc_size(cdev) +
8530 		    REGDUMP_HEADER_SIZE + qed_dbg_reg_fifo_size(cdev) +
8531 		    REGDUMP_HEADER_SIZE + qed_dbg_igu_fifo_size(cdev) +
8532 		    REGDUMP_HEADER_SIZE +
8533 		    qed_dbg_protection_override_size(cdev) +
8534 		    REGDUMP_HEADER_SIZE + qed_dbg_fw_asserts_size(cdev);
8535 		ilt_len = REGDUMP_HEADER_SIZE + qed_dbg_ilt_size(cdev);
8536 		if (ilt_len < ILT_DUMP_MAX_SIZE) {
8537 			total_ilt_len += ilt_len;
8538 			regs_len += ilt_len;
8539 		}
8540 	}
8541 
8542 	qed_set_debug_engine(cdev, org_engine);
8543 
8544 	/* Engine common */
8545 	regs_len += REGDUMP_HEADER_SIZE + qed_dbg_mcp_trace_size(cdev) +
8546 	    REGDUMP_HEADER_SIZE + qed_dbg_phy_size(cdev);
8547 	qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_NVM_CFG1, &image_len);
8548 	if (image_len)
8549 		regs_len += REGDUMP_HEADER_SIZE + image_len;
8550 	qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_DEFAULT_CFG, &image_len);
8551 	if (image_len)
8552 		regs_len += REGDUMP_HEADER_SIZE + image_len;
8553 	qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_NVM_META, &image_len);
8554 	if (image_len)
8555 		regs_len += REGDUMP_HEADER_SIZE + image_len;
8556 	qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_MDUMP, &image_len);
8557 	if (image_len)
8558 		regs_len += REGDUMP_HEADER_SIZE + image_len;
8559 
8560 	if (regs_len > REGDUMP_MAX_SIZE) {
8561 		DP_VERBOSE(cdev, QED_MSG_DEBUG,
8562 			   "Dump exceeds max size 0x%x, disable ILT dump\n",
8563 			   REGDUMP_MAX_SIZE);
8564 		cdev->disable_ilt_dump = true;
8565 		regs_len -= total_ilt_len;
8566 	}
8567 
8568 	return regs_len;
8569 }
8570 
qed_dbg_feature(struct qed_dev * cdev,void * buffer,enum qed_dbg_features feature,u32 * num_dumped_bytes)8571 int qed_dbg_feature(struct qed_dev *cdev, void *buffer,
8572 		    enum qed_dbg_features feature, u32 *num_dumped_bytes)
8573 {
8574 	struct qed_dbg_feature *qed_feature = &cdev->dbg_features[feature];
8575 	struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug];
8576 	enum dbg_status dbg_rc;
8577 	struct qed_ptt *p_ptt;
8578 	int rc = 0;
8579 
8580 	/* Acquire ptt */
8581 	p_ptt = qed_ptt_acquire(p_hwfn);
8582 	if (!p_ptt)
8583 		return -EINVAL;
8584 
8585 	/* Get dump */
8586 	dbg_rc = qed_dbg_dump(p_hwfn, p_ptt, feature);
8587 	if (dbg_rc != DBG_STATUS_OK) {
8588 		DP_VERBOSE(cdev, QED_MSG_DEBUG, "%s\n",
8589 			   qed_dbg_get_status_str(dbg_rc));
8590 		*num_dumped_bytes = 0;
8591 		rc = -EINVAL;
8592 		goto out;
8593 	}
8594 
8595 	DP_VERBOSE(cdev, QED_MSG_DEBUG,
8596 		   "copying debugfs feature to external buffer\n");
8597 	memcpy(buffer, qed_feature->dump_buf, qed_feature->buf_size);
8598 	*num_dumped_bytes = cdev->dbg_features[feature].dumped_dwords *
8599 			    4;
8600 
8601 out:
8602 	qed_ptt_release(p_hwfn, p_ptt);
8603 	return rc;
8604 }
8605 
qed_dbg_feature_size(struct qed_dev * cdev,enum qed_dbg_features feature)8606 int qed_dbg_feature_size(struct qed_dev *cdev, enum qed_dbg_features feature)
8607 {
8608 	struct qed_dbg_feature *qed_feature = &cdev->dbg_features[feature];
8609 	struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug];
8610 	struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
8611 	u32 buf_size_dwords;
8612 	enum dbg_status rc;
8613 
8614 	if (!p_ptt)
8615 		return -EINVAL;
8616 
8617 	rc = qed_features_lookup[feature].get_size(p_hwfn, p_ptt,
8618 						   &buf_size_dwords);
8619 	if (rc != DBG_STATUS_OK)
8620 		buf_size_dwords = 0;
8621 
8622 	/* Feature will not be dumped if it exceeds maximum size */
8623 	if (buf_size_dwords > MAX_DBG_FEATURE_SIZE_DWORDS)
8624 		buf_size_dwords = 0;
8625 
8626 	qed_ptt_release(p_hwfn, p_ptt);
8627 	qed_feature->buf_size = buf_size_dwords * sizeof(u32);
8628 	return qed_feature->buf_size;
8629 }
8630 
qed_dbg_phy_size(struct qed_dev * cdev)8631 int qed_dbg_phy_size(struct qed_dev *cdev)
8632 {
8633 	/* return max size of phy info and
8634 	 * phy mac_stat multiplied by the number of ports
8635 	 */
8636 	return MAX_PHY_RESULT_BUFFER * (1 + qed_device_num_ports(cdev));
8637 }
8638 
qed_get_debug_engine(struct qed_dev * cdev)8639 u8 qed_get_debug_engine(struct qed_dev *cdev)
8640 {
8641 	return cdev->engine_for_debug;
8642 }
8643 
qed_set_debug_engine(struct qed_dev * cdev,int engine_number)8644 void qed_set_debug_engine(struct qed_dev *cdev, int engine_number)
8645 {
8646 	DP_VERBOSE(cdev, QED_MSG_DEBUG, "set debug engine to %d\n",
8647 		   engine_number);
8648 	cdev->engine_for_debug = engine_number;
8649 }
8650 
qed_dbg_pf_init(struct qed_dev * cdev)8651 void qed_dbg_pf_init(struct qed_dev *cdev)
8652 {
8653 	const u8 *dbg_values = NULL;
8654 	int i;
8655 
8656 	/* Sync ver with debugbus qed code */
8657 	qed_dbg_set_app_ver(TOOLS_VERSION);
8658 
8659 	/* Debug values are after init values.
8660 	 * The offset is the first dword of the file.
8661 	 */
8662 	dbg_values = cdev->firmware->data + *(u32 *)cdev->firmware->data;
8663 
8664 	for_each_hwfn(cdev, i) {
8665 		qed_dbg_set_bin_ptr(&cdev->hwfns[i], dbg_values);
8666 		qed_dbg_user_set_bin_ptr(&cdev->hwfns[i], dbg_values);
8667 	}
8668 
8669 	/* Set the hwfn to be 0 as default */
8670 	cdev->engine_for_debug = 0;
8671 }
8672 
qed_dbg_pf_exit(struct qed_dev * cdev)8673 void qed_dbg_pf_exit(struct qed_dev *cdev)
8674 {
8675 	struct qed_dbg_feature *feature = NULL;
8676 	enum qed_dbg_features feature_idx;
8677 
8678 	/* debug features' buffers may be allocated if debug feature was used
8679 	 * but dump wasn't called
8680 	 */
8681 	for (feature_idx = 0; feature_idx < DBG_FEATURE_NUM; feature_idx++) {
8682 		feature = &cdev->dbg_features[feature_idx];
8683 		if (feature->dump_buf) {
8684 			vfree(feature->dump_buf);
8685 			feature->dump_buf = NULL;
8686 		}
8687 	}
8688 }
8689