radeonsi: remove 'Authors:' comments
[mesa.git] / src / amd / common / ac_debug.c
1 /*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24 #include "ac_debug.h"
25
26 #ifdef HAVE_VALGRIND
27 #include <valgrind.h>
28 #include <memcheck.h>
29 #define VG(x) x
30 #else
31 #define VG(x)
32 #endif
33
34 #include <inttypes.h>
35
36 #include "sid.h"
37 #include "gfx9d.h"
38 #include "sid_tables.h"
39 #include "util/u_math.h"
40 #include "util/u_memory.h"
41 #include "util/u_string.h"
42
43 #include <assert.h>
44
45 /* Parsed IBs are difficult to read without colors. Use "less -R file" to
46 * read them, or use "aha -b -f file" to convert them to html.
47 */
48 #define COLOR_RESET "\033[0m"
49 #define COLOR_RED "\033[31m"
50 #define COLOR_GREEN "\033[1;32m"
51 #define COLOR_YELLOW "\033[1;33m"
52 #define COLOR_CYAN "\033[1;36m"
53
54 #define INDENT_PKT 8
55
56 struct ac_ib_parser {
57 FILE *f;
58 uint32_t *ib;
59 unsigned num_dw;
60 const int *trace_ids;
61 unsigned trace_id_count;
62 enum chip_class chip_class;
63 ac_debug_addr_callback addr_callback;
64 void *addr_callback_data;
65
66 unsigned cur_dw;
67 };
68
69 static void ac_do_parse_ib(FILE *f, struct ac_ib_parser *ib);
70
71 static void print_spaces(FILE *f, unsigned num)
72 {
73 fprintf(f, "%*s", num, "");
74 }
75
76 static void print_value(FILE *file, uint32_t value, int bits)
77 {
78 /* Guess if it's int or float */
79 if (value <= (1 << 15)) {
80 if (value <= 9)
81 fprintf(file, "%u\n", value);
82 else
83 fprintf(file, "%u (0x%0*x)\n", value, bits / 4, value);
84 } else {
85 float f = uif(value);
86
87 if (fabs(f) < 100000 && f*10 == floor(f*10))
88 fprintf(file, "%.1ff (0x%0*x)\n", f, bits / 4, value);
89 else
90 /* Don't print more leading zeros than there are bits. */
91 fprintf(file, "0x%0*x\n", bits / 4, value);
92 }
93 }
94
95 static void print_named_value(FILE *file, const char *name, uint32_t value,
96 int bits)
97 {
98 print_spaces(file, INDENT_PKT);
99 fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", name);
100 print_value(file, value, bits);
101 }
102
103 static const struct si_reg *find_register(const struct si_reg *table,
104 unsigned table_size,
105 unsigned offset)
106 {
107 for (unsigned i = 0; i < table_size; i++) {
108 const struct si_reg *reg = &table[i];
109
110 if (reg->offset == offset)
111 return reg;
112 }
113
114 return NULL;
115 }
116
117 void ac_dump_reg(FILE *file, enum chip_class chip_class, unsigned offset,
118 uint32_t value, uint32_t field_mask)
119 {
120 const struct si_reg *reg = NULL;
121
122 if (chip_class >= GFX9)
123 reg = find_register(gfx9d_reg_table, ARRAY_SIZE(gfx9d_reg_table), offset);
124 if (!reg)
125 reg = find_register(sid_reg_table, ARRAY_SIZE(sid_reg_table), offset);
126
127 if (reg) {
128 const char *reg_name = sid_strings + reg->name_offset;
129 bool first_field = true;
130
131 print_spaces(file, INDENT_PKT);
132 fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ",
133 reg_name);
134
135 if (!reg->num_fields) {
136 print_value(file, value, 32);
137 return;
138 }
139
140 for (unsigned f = 0; f < reg->num_fields; f++) {
141 const struct si_field *field = sid_fields_table + reg->fields_offset + f;
142 const int *values_offsets = sid_strings_offsets + field->values_offset;
143 uint32_t val = (value & field->mask) >>
144 (ffs(field->mask) - 1);
145
146 if (!(field->mask & field_mask))
147 continue;
148
149 /* Indent the field. */
150 if (!first_field)
151 print_spaces(file,
152 INDENT_PKT + strlen(reg_name) + 4);
153
154 /* Print the field. */
155 fprintf(file, "%s = ", sid_strings + field->name_offset);
156
157 if (val < field->num_values && values_offsets[val] >= 0)
158 fprintf(file, "%s\n", sid_strings + values_offsets[val]);
159 else
160 print_value(file, val,
161 util_bitcount(field->mask));
162
163 first_field = false;
164 }
165 return;
166 }
167
168 print_spaces(file, INDENT_PKT);
169 fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " <- 0x%08x\n", offset, value);
170 }
171
172 static uint32_t ac_ib_get(struct ac_ib_parser *ib)
173 {
174 uint32_t v = 0;
175
176 if (ib->cur_dw < ib->num_dw) {
177 v = ib->ib[ib->cur_dw];
178 #ifdef HAVE_VALGRIND
179 /* Help figure out where garbage data is written to IBs.
180 *
181 * Arguably we should do this already when the IBs are written,
182 * see RADEON_VALGRIND. The problem is that client-requests to
183 * Valgrind have an overhead even when Valgrind isn't running,
184 * and radeon_emit is performance sensitive...
185 */
186 if (VALGRIND_CHECK_VALUE_IS_DEFINED(v))
187 fprintf(ib->f, COLOR_RED "Valgrind: The next DWORD is garbage"
188 COLOR_RESET "\n");
189 #endif
190 fprintf(ib->f, "\n\035#%08x ", v);
191 } else {
192 fprintf(ib->f, "\n\035#???????? ");
193 }
194
195 ib->cur_dw++;
196 return v;
197 }
198
199 static void ac_parse_set_reg_packet(FILE *f, unsigned count, unsigned reg_offset,
200 struct ac_ib_parser *ib)
201 {
202 unsigned reg_dw = ac_ib_get(ib);
203 unsigned reg = ((reg_dw & 0xFFFF) << 2) + reg_offset;
204 unsigned index = reg_dw >> 28;
205 int i;
206
207 if (index != 0) {
208 print_spaces(f, INDENT_PKT);
209 fprintf(f, "INDEX = %u\n", index);
210 }
211
212 for (i = 0; i < count; i++)
213 ac_dump_reg(f, ib->chip_class, reg + i*4, ac_ib_get(ib), ~0);
214 }
215
216 static void ac_parse_packet3(FILE *f, uint32_t header, struct ac_ib_parser *ib,
217 int *current_trace_id)
218 {
219 unsigned first_dw = ib->cur_dw;
220 int count = PKT_COUNT_G(header);
221 unsigned op = PKT3_IT_OPCODE_G(header);
222 const char *predicate = PKT3_PREDICATE(header) ? "(predicate)" : "";
223 int i;
224
225 /* Print the name first. */
226 for (i = 0; i < ARRAY_SIZE(packet3_table); i++)
227 if (packet3_table[i].op == op)
228 break;
229
230 if (i < ARRAY_SIZE(packet3_table)) {
231 const char *name = sid_strings + packet3_table[i].name_offset;
232
233 if (op == PKT3_SET_CONTEXT_REG ||
234 op == PKT3_SET_CONFIG_REG ||
235 op == PKT3_SET_UCONFIG_REG ||
236 op == PKT3_SET_SH_REG)
237 fprintf(f, COLOR_CYAN "%s%s" COLOR_CYAN ":\n",
238 name, predicate);
239 else
240 fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n",
241 name, predicate);
242 } else
243 fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s" COLOR_RESET ":\n",
244 op, predicate);
245
246 /* Print the contents. */
247 switch (op) {
248 case PKT3_SET_CONTEXT_REG:
249 ac_parse_set_reg_packet(f, count, SI_CONTEXT_REG_OFFSET, ib);
250 break;
251 case PKT3_SET_CONFIG_REG:
252 ac_parse_set_reg_packet(f, count, SI_CONFIG_REG_OFFSET, ib);
253 break;
254 case PKT3_SET_UCONFIG_REG:
255 ac_parse_set_reg_packet(f, count, CIK_UCONFIG_REG_OFFSET, ib);
256 break;
257 case PKT3_SET_SH_REG:
258 ac_parse_set_reg_packet(f, count, SI_SH_REG_OFFSET, ib);
259 break;
260 case PKT3_ACQUIRE_MEM:
261 ac_dump_reg(f, ib->chip_class, R_0301F0_CP_COHER_CNTL, ac_ib_get(ib), ~0);
262 ac_dump_reg(f, ib->chip_class, R_0301F4_CP_COHER_SIZE, ac_ib_get(ib), ~0);
263 ac_dump_reg(f, ib->chip_class, R_030230_CP_COHER_SIZE_HI, ac_ib_get(ib), ~0);
264 ac_dump_reg(f, ib->chip_class, R_0301F8_CP_COHER_BASE, ac_ib_get(ib), ~0);
265 ac_dump_reg(f, ib->chip_class, R_0301E4_CP_COHER_BASE_HI, ac_ib_get(ib), ~0);
266 print_named_value(f, "POLL_INTERVAL", ac_ib_get(ib), 16);
267 break;
268 case PKT3_SURFACE_SYNC:
269 if (ib->chip_class >= CIK) {
270 ac_dump_reg(f, ib->chip_class, R_0301F0_CP_COHER_CNTL, ac_ib_get(ib), ~0);
271 ac_dump_reg(f, ib->chip_class, R_0301F4_CP_COHER_SIZE, ac_ib_get(ib), ~0);
272 ac_dump_reg(f, ib->chip_class, R_0301F8_CP_COHER_BASE, ac_ib_get(ib), ~0);
273 } else {
274 ac_dump_reg(f, ib->chip_class, R_0085F0_CP_COHER_CNTL, ac_ib_get(ib), ~0);
275 ac_dump_reg(f, ib->chip_class, R_0085F4_CP_COHER_SIZE, ac_ib_get(ib), ~0);
276 ac_dump_reg(f, ib->chip_class, R_0085F8_CP_COHER_BASE, ac_ib_get(ib), ~0);
277 }
278 print_named_value(f, "POLL_INTERVAL", ac_ib_get(ib), 16);
279 break;
280 case PKT3_EVENT_WRITE: {
281 uint32_t event_dw = ac_ib_get(ib);
282 ac_dump_reg(f, ib->chip_class, R_028A90_VGT_EVENT_INITIATOR, event_dw,
283 S_028A90_EVENT_TYPE(~0));
284 print_named_value(f, "EVENT_INDEX", (event_dw >> 8) & 0xf, 4);
285 print_named_value(f, "INV_L2", (event_dw >> 20) & 0x1, 1);
286 if (count > 0) {
287 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
288 print_named_value(f, "ADDRESS_HI", ac_ib_get(ib), 16);
289 }
290 break;
291 }
292 case PKT3_EVENT_WRITE_EOP: {
293 uint32_t event_dw = ac_ib_get(ib);
294 ac_dump_reg(f, ib->chip_class, R_028A90_VGT_EVENT_INITIATOR, event_dw,
295 S_028A90_EVENT_TYPE(~0));
296 print_named_value(f, "EVENT_INDEX", (event_dw >> 8) & 0xf, 4);
297 print_named_value(f, "TCL1_VOL_ACTION_ENA", (event_dw >> 12) & 0x1, 1);
298 print_named_value(f, "TC_VOL_ACTION_ENA", (event_dw >> 13) & 0x1, 1);
299 print_named_value(f, "TC_WB_ACTION_ENA", (event_dw >> 15) & 0x1, 1);
300 print_named_value(f, "TCL1_ACTION_ENA", (event_dw >> 16) & 0x1, 1);
301 print_named_value(f, "TC_ACTION_ENA", (event_dw >> 17) & 0x1, 1);
302 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
303 uint32_t addr_hi_dw = ac_ib_get(ib);
304 print_named_value(f, "ADDRESS_HI", addr_hi_dw, 16);
305 print_named_value(f, "DST_SEL", (addr_hi_dw >> 16) & 0x3, 2);
306 print_named_value(f, "INT_SEL", (addr_hi_dw >> 24) & 0x7, 3);
307 print_named_value(f, "DATA_SEL", addr_hi_dw >> 29, 3);
308 print_named_value(f, "DATA_LO", ac_ib_get(ib), 32);
309 print_named_value(f, "DATA_HI", ac_ib_get(ib), 32);
310 break;
311 }
312 case PKT3_RELEASE_MEM: {
313 uint32_t event_dw = ac_ib_get(ib);
314 ac_dump_reg(f, ib->chip_class, R_028A90_VGT_EVENT_INITIATOR, event_dw,
315 S_028A90_EVENT_TYPE(~0));
316 print_named_value(f, "EVENT_INDEX", (event_dw >> 8) & 0xf, 4);
317 print_named_value(f, "TCL1_VOL_ACTION_ENA", (event_dw >> 12) & 0x1, 1);
318 print_named_value(f, "TC_VOL_ACTION_ENA", (event_dw >> 13) & 0x1, 1);
319 print_named_value(f, "TC_WB_ACTION_ENA", (event_dw >> 15) & 0x1, 1);
320 print_named_value(f, "TCL1_ACTION_ENA", (event_dw >> 16) & 0x1, 1);
321 print_named_value(f, "TC_ACTION_ENA", (event_dw >> 17) & 0x1, 1);
322 print_named_value(f, "TC_NC_ACTION_ENA", (event_dw >> 19) & 0x1, 1);
323 print_named_value(f, "TC_WC_ACTION_ENA", (event_dw >> 20) & 0x1, 1);
324 print_named_value(f, "TC_MD_ACTION_ENA", (event_dw >> 21) & 0x1, 1);
325 uint32_t sel_dw = ac_ib_get(ib);
326 print_named_value(f, "DST_SEL", (sel_dw >> 16) & 0x3, 2);
327 print_named_value(f, "INT_SEL", (sel_dw >> 24) & 0x7, 3);
328 print_named_value(f, "DATA_SEL", sel_dw >> 29, 3);
329 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
330 print_named_value(f, "ADDRESS_HI", ac_ib_get(ib), 32);
331 print_named_value(f, "DATA_LO", ac_ib_get(ib), 32);
332 print_named_value(f, "DATA_HI", ac_ib_get(ib), 32);
333 print_named_value(f, "CTXID", ac_ib_get(ib), 32);
334 break;
335 }
336 case PKT3_WAIT_REG_MEM:
337 print_named_value(f, "OP", ac_ib_get(ib), 32);
338 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
339 print_named_value(f, "ADDRESS_HI", ac_ib_get(ib), 32);
340 print_named_value(f, "REF", ac_ib_get(ib), 32);
341 print_named_value(f, "MASK", ac_ib_get(ib), 32);
342 print_named_value(f, "POLL_INTERVAL", ac_ib_get(ib), 16);
343 break;
344 case PKT3_DRAW_INDEX_AUTO:
345 ac_dump_reg(f, ib->chip_class, R_030930_VGT_NUM_INDICES, ac_ib_get(ib), ~0);
346 ac_dump_reg(f, ib->chip_class, R_0287F0_VGT_DRAW_INITIATOR, ac_ib_get(ib), ~0);
347 break;
348 case PKT3_DRAW_INDEX_2:
349 ac_dump_reg(f, ib->chip_class, R_028A78_VGT_DMA_MAX_SIZE, ac_ib_get(ib), ~0);
350 ac_dump_reg(f, ib->chip_class, R_0287E8_VGT_DMA_BASE, ac_ib_get(ib), ~0);
351 ac_dump_reg(f, ib->chip_class, R_0287E4_VGT_DMA_BASE_HI, ac_ib_get(ib), ~0);
352 ac_dump_reg(f, ib->chip_class, R_030930_VGT_NUM_INDICES, ac_ib_get(ib), ~0);
353 ac_dump_reg(f, ib->chip_class, R_0287F0_VGT_DRAW_INITIATOR, ac_ib_get(ib), ~0);
354 break;
355 case PKT3_INDEX_TYPE:
356 ac_dump_reg(f, ib->chip_class, R_028A7C_VGT_DMA_INDEX_TYPE, ac_ib_get(ib), ~0);
357 break;
358 case PKT3_NUM_INSTANCES:
359 ac_dump_reg(f, ib->chip_class, R_030934_VGT_NUM_INSTANCES, ac_ib_get(ib), ~0);
360 break;
361 case PKT3_WRITE_DATA:
362 ac_dump_reg(f, ib->chip_class, R_370_CONTROL, ac_ib_get(ib), ~0);
363 ac_dump_reg(f, ib->chip_class, R_371_DST_ADDR_LO, ac_ib_get(ib), ~0);
364 ac_dump_reg(f, ib->chip_class, R_372_DST_ADDR_HI, ac_ib_get(ib), ~0);
365 /* The payload is written automatically */
366 break;
367 case PKT3_CP_DMA:
368 ac_dump_reg(f, ib->chip_class, R_410_CP_DMA_WORD0, ac_ib_get(ib), ~0);
369 ac_dump_reg(f, ib->chip_class, R_411_CP_DMA_WORD1, ac_ib_get(ib), ~0);
370 ac_dump_reg(f, ib->chip_class, R_412_CP_DMA_WORD2, ac_ib_get(ib), ~0);
371 ac_dump_reg(f, ib->chip_class, R_413_CP_DMA_WORD3, ac_ib_get(ib), ~0);
372 ac_dump_reg(f, ib->chip_class, R_414_COMMAND, ac_ib_get(ib), ~0);
373 break;
374 case PKT3_DMA_DATA:
375 ac_dump_reg(f, ib->chip_class, R_500_DMA_DATA_WORD0, ac_ib_get(ib), ~0);
376 ac_dump_reg(f, ib->chip_class, R_501_SRC_ADDR_LO, ac_ib_get(ib), ~0);
377 ac_dump_reg(f, ib->chip_class, R_502_SRC_ADDR_HI, ac_ib_get(ib), ~0);
378 ac_dump_reg(f, ib->chip_class, R_503_DST_ADDR_LO, ac_ib_get(ib), ~0);
379 ac_dump_reg(f, ib->chip_class, R_504_DST_ADDR_HI, ac_ib_get(ib), ~0);
380 ac_dump_reg(f, ib->chip_class, R_414_COMMAND, ac_ib_get(ib), ~0);
381 break;
382 case PKT3_INDIRECT_BUFFER_SI:
383 case PKT3_INDIRECT_BUFFER_CONST:
384 case PKT3_INDIRECT_BUFFER_CIK: {
385 uint32_t base_lo_dw = ac_ib_get(ib);
386 ac_dump_reg(f, ib->chip_class, R_3F0_IB_BASE_LO, base_lo_dw, ~0);
387 uint32_t base_hi_dw = ac_ib_get(ib);
388 ac_dump_reg(f, ib->chip_class, R_3F1_IB_BASE_HI, base_hi_dw, ~0);
389 uint32_t control_dw = ac_ib_get(ib);
390 ac_dump_reg(f, ib->chip_class, R_3F2_CONTROL, control_dw, ~0);
391
392 if (!ib->addr_callback)
393 break;
394
395 uint64_t addr = ((uint64_t)base_hi_dw << 32) | base_lo_dw;
396 void *data = ib->addr_callback(ib->addr_callback_data, addr);
397 if (!data)
398 break;
399
400 if (G_3F2_CHAIN(control_dw)) {
401 ib->ib = data;
402 ib->num_dw = G_3F2_IB_SIZE(control_dw);
403 ib->cur_dw = 0;
404 return;
405 }
406
407 struct ac_ib_parser ib_recurse;
408 memcpy(&ib_recurse, ib, sizeof(ib_recurse));
409 ib_recurse.ib = data;
410 ib_recurse.num_dw = G_3F2_IB_SIZE(control_dw);
411 ib_recurse.cur_dw = 0;
412 if(ib_recurse.trace_id_count) {
413 if (*current_trace_id == *ib->trace_ids) {
414 ++ib_recurse.trace_ids;
415 --ib_recurse.trace_id_count;
416 } else {
417 ib_recurse.trace_id_count = 0;
418 }
419 }
420
421 fprintf(f, "\n\035>------------------ nested begin ------------------\n");
422 ac_do_parse_ib(f, &ib_recurse);
423 fprintf(f, "\n\035<------------------- nested end -------------------\n");
424 break;
425 }
426 case PKT3_CLEAR_STATE:
427 case PKT3_INCREMENT_DE_COUNTER:
428 case PKT3_PFP_SYNC_ME:
429 break;
430 case PKT3_NOP:
431 if (header == 0xffff1000) {
432 count = -1; /* One dword NOP. */
433 } else if (count == 0 && ib->cur_dw < ib->num_dw &&
434 AC_IS_TRACE_POINT(ib->ib[ib->cur_dw])) {
435 unsigned packet_id = AC_GET_TRACE_POINT_ID(ib->ib[ib->cur_dw]);
436
437 print_spaces(f, INDENT_PKT);
438 fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id);
439
440 if (!ib->trace_id_count)
441 break; /* tracing was disabled */
442
443 *current_trace_id = packet_id;
444
445 print_spaces(f, INDENT_PKT);
446 if (packet_id < *ib->trace_ids)
447 fprintf(f, COLOR_RED
448 "This trace point was reached by the CP."
449 COLOR_RESET "\n");
450 else if (packet_id == *ib->trace_ids)
451 fprintf(f, COLOR_RED
452 "!!!!! This is the last trace point that "
453 "was reached by the CP !!!!!"
454 COLOR_RESET "\n");
455 else if (packet_id+1 == *ib->trace_ids)
456 fprintf(f, COLOR_RED
457 "!!!!! This is the first trace point that "
458 "was NOT been reached by the CP !!!!!"
459 COLOR_RESET "\n");
460 else
461 fprintf(f, COLOR_RED
462 "!!!!! This trace point was NOT reached "
463 "by the CP !!!!!"
464 COLOR_RESET "\n");
465 break;
466 }
467 break;
468 }
469
470 /* print additional dwords */
471 while (ib->cur_dw <= first_dw + count)
472 ac_ib_get(ib);
473
474 if (ib->cur_dw > first_dw + count + 1)
475 fprintf(f, COLOR_RED "\n!!!!! count in header too low !!!!!"
476 COLOR_RESET "\n");
477 }
478
479 /**
480 * Parse and print an IB into a file.
481 */
482 static void ac_do_parse_ib(FILE *f, struct ac_ib_parser *ib)
483 {
484 int current_trace_id = -1;
485
486 while (ib->cur_dw < ib->num_dw) {
487 uint32_t header = ac_ib_get(ib);
488 unsigned type = PKT_TYPE_G(header);
489
490 switch (type) {
491 case 3:
492 ac_parse_packet3(f, header, ib, &current_trace_id);
493 break;
494 case 2:
495 /* type-2 nop */
496 if (header == 0x80000000) {
497 fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
498 break;
499 }
500 /* fall through */
501 default:
502 fprintf(f, "Unknown packet type %i\n", type);
503 break;
504 }
505 }
506 }
507
508 static void format_ib_output(FILE *f, char *out)
509 {
510 unsigned depth = 0;
511
512 for (;;) {
513 char op = 0;
514
515 if (out[0] == '\n' && out[1] == '\035')
516 out++;
517 if (out[0] == '\035') {
518 op = out[1];
519 out += 2;
520 }
521
522 if (op == '<')
523 depth--;
524
525 unsigned indent = 4 * depth;
526 if (op != '#')
527 indent += 9;
528
529 if (indent)
530 print_spaces(f, indent);
531
532 char *end = util_strchrnul(out, '\n');
533 fwrite(out, end - out, 1, f);
534 fputc('\n', f); /* always end with a new line */
535 if (!*end)
536 break;
537
538 out = end + 1;
539
540 if (op == '>')
541 depth++;
542 }
543 }
544
545 /**
546 * Parse and print an IB into a file.
547 *
548 * \param f file
549 * \param ib_ptr IB
550 * \param num_dw size of the IB
551 * \param chip_class chip class
552 * \param trace_ids the last trace IDs that are known to have been reached
553 * and executed by the CP, typically read from a buffer
554 * \param trace_id_count The number of entries in the trace_ids array.
555 * \param addr_callback Get a mapped pointer of the IB at a given address. Can
556 * be NULL.
557 * \param addr_callback_data user data for addr_callback
558 */
559 void ac_parse_ib_chunk(FILE *f, uint32_t *ib_ptr, int num_dw, const int *trace_ids,
560 unsigned trace_id_count, enum chip_class chip_class,
561 ac_debug_addr_callback addr_callback, void *addr_callback_data)
562 {
563 struct ac_ib_parser ib = {};
564 ib.ib = ib_ptr;
565 ib.num_dw = num_dw;
566 ib.trace_ids = trace_ids;
567 ib.trace_id_count = trace_id_count;
568 ib.chip_class = chip_class;
569 ib.addr_callback = addr_callback;
570 ib.addr_callback_data = addr_callback_data;
571
572 char *out;
573 size_t outsize;
574 FILE *memf = open_memstream(&out, &outsize);
575 ib.f = memf;
576 ac_do_parse_ib(memf, &ib);
577 fclose(memf);
578
579 if (out) {
580 format_ib_output(f, out);
581 free(out);
582 }
583
584 if (ib.cur_dw > ib.num_dw) {
585 printf("\nPacket ends after the end of IB.\n");
586 exit(1);
587 }
588 }
589
590 /**
591 * Parse and print an IB into a file.
592 *
593 * \param f file
594 * \param ib IB
595 * \param num_dw size of the IB
596 * \param chip_class chip class
597 * \param trace_ids the last trace IDs that are known to have been reached
598 * and executed by the CP, typically read from a buffer
599 * \param trace_id_count The number of entries in the trace_ids array.
600 * \param addr_callback Get a mapped pointer of the IB at a given address. Can
601 * be NULL.
602 * \param addr_callback_data user data for addr_callback
603 */
604 void ac_parse_ib(FILE *f, uint32_t *ib, int num_dw, const int *trace_ids,
605 unsigned trace_id_count, const char *name,
606 enum chip_class chip_class, ac_debug_addr_callback addr_callback,
607 void *addr_callback_data)
608 {
609 fprintf(f, "------------------ %s begin ------------------\n", name);
610
611 ac_parse_ib_chunk(f, ib, num_dw, trace_ids, trace_id_count,
612 chip_class, addr_callback, addr_callback_data);
613
614 fprintf(f, "------------------- %s end -------------------\n\n", name);
615 }
616
617 /**
618 * Parse dmesg and return TRUE if a VM fault has been detected.
619 *
620 * \param chip_class chip class
621 * \param old_dmesg_timestamp previous dmesg timestamp parsed at init time
622 * \param out_addr detected VM fault addr
623 */
624 bool ac_vm_fault_occured(enum chip_class chip_class,
625 uint64_t *old_dmesg_timestamp, uint64_t *out_addr)
626 {
627 char line[2000];
628 unsigned sec, usec;
629 int progress = 0;
630 uint64_t dmesg_timestamp = 0;
631 bool fault = false;
632
633 FILE *p = popen("dmesg", "r");
634 if (!p)
635 return false;
636
637 while (fgets(line, sizeof(line), p)) {
638 char *msg, len;
639
640 if (!line[0] || line[0] == '\n')
641 continue;
642
643 /* Get the timestamp. */
644 if (sscanf(line, "[%u.%u]", &sec, &usec) != 2) {
645 static bool hit = false;
646 if (!hit) {
647 fprintf(stderr, "%s: failed to parse line '%s'\n",
648 __func__, line);
649 hit = true;
650 }
651 continue;
652 }
653 dmesg_timestamp = sec * 1000000ull + usec;
654
655 /* If just updating the timestamp. */
656 if (!out_addr)
657 continue;
658
659 /* Process messages only if the timestamp is newer. */
660 if (dmesg_timestamp <= *old_dmesg_timestamp)
661 continue;
662
663 /* Only process the first VM fault. */
664 if (fault)
665 continue;
666
667 /* Remove trailing \n */
668 len = strlen(line);
669 if (len && line[len-1] == '\n')
670 line[len-1] = 0;
671
672 /* Get the message part. */
673 msg = strchr(line, ']');
674 if (!msg)
675 continue;
676 msg++;
677
678 const char *header_line, *addr_line_prefix, *addr_line_format;
679
680 if (chip_class >= GFX9) {
681 /* Match this:
682 * ..: [gfxhub] VMC page fault (src_id:0 ring:158 vm_id:2 pas_id:0)
683 * ..: at page 0x0000000219f8f000 from 27
684 * ..: VM_L2_PROTECTION_FAULT_STATUS:0x0020113C
685 */
686 header_line = "VMC page fault";
687 addr_line_prefix = " at page";
688 addr_line_format = "%"PRIx64;
689 } else {
690 header_line = "GPU fault detected:";
691 addr_line_prefix = "VM_CONTEXT1_PROTECTION_FAULT_ADDR";
692 addr_line_format = "%"PRIX64;
693 }
694
695 switch (progress) {
696 case 0:
697 if (strstr(msg, header_line))
698 progress = 1;
699 break;
700 case 1:
701 msg = strstr(msg, addr_line_prefix);
702 if (msg) {
703 msg = strstr(msg, "0x");
704 if (msg) {
705 msg += 2;
706 if (sscanf(msg, addr_line_format, out_addr) == 1)
707 fault = true;
708 }
709 }
710 progress = 0;
711 break;
712 default:
713 progress = 0;
714 }
715 }
716 pclose(p);
717
718 if (dmesg_timestamp > *old_dmesg_timestamp)
719 *old_dmesg_timestamp = dmesg_timestamp;
720
721 return fault;
722 }
723
724 static int compare_wave(const void *p1, const void *p2)
725 {
726 struct ac_wave_info *w1 = (struct ac_wave_info *)p1;
727 struct ac_wave_info *w2 = (struct ac_wave_info *)p2;
728
729 /* Sort waves according to PC and then SE, SH, CU, etc. */
730 if (w1->pc < w2->pc)
731 return -1;
732 if (w1->pc > w2->pc)
733 return 1;
734 if (w1->se < w2->se)
735 return -1;
736 if (w1->se > w2->se)
737 return 1;
738 if (w1->sh < w2->sh)
739 return -1;
740 if (w1->sh > w2->sh)
741 return 1;
742 if (w1->cu < w2->cu)
743 return -1;
744 if (w1->cu > w2->cu)
745 return 1;
746 if (w1->simd < w2->simd)
747 return -1;
748 if (w1->simd > w2->simd)
749 return 1;
750 if (w1->wave < w2->wave)
751 return -1;
752 if (w1->wave > w2->wave)
753 return 1;
754
755 return 0;
756 }
757
758 /* Return wave information. "waves" should be a large enough array. */
759 unsigned ac_get_wave_info(struct ac_wave_info waves[AC_MAX_WAVES_PER_CHIP])
760 {
761 char line[2000];
762 unsigned num_waves = 0;
763
764 FILE *p = popen("umr -wa", "r");
765 if (!p)
766 return 0;
767
768 if (!fgets(line, sizeof(line), p) ||
769 strncmp(line, "SE", 2) != 0) {
770 pclose(p);
771 return 0;
772 }
773
774 while (fgets(line, sizeof(line), p)) {
775 struct ac_wave_info *w;
776 uint32_t pc_hi, pc_lo, exec_hi, exec_lo;
777
778 assert(num_waves < AC_MAX_WAVES_PER_CHIP);
779 w = &waves[num_waves];
780
781 if (sscanf(line, "%u %u %u %u %u %x %x %x %x %x %x %x",
782 &w->se, &w->sh, &w->cu, &w->simd, &w->wave,
783 &w->status, &pc_hi, &pc_lo, &w->inst_dw0,
784 &w->inst_dw1, &exec_hi, &exec_lo) == 12) {
785 w->pc = ((uint64_t)pc_hi << 32) | pc_lo;
786 w->exec = ((uint64_t)exec_hi << 32) | exec_lo;
787 w->matched = false;
788 num_waves++;
789 }
790 }
791
792 qsort(waves, num_waves, sizeof(struct ac_wave_info), compare_wave);
793
794 pclose(p);
795 return num_waves;
796 }