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ac: add LLVM code for triangle culling
[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_UCONFIG_REG_INDEX ||
237 op == PKT3_SET_SH_REG)
238 fprintf(f, COLOR_CYAN "%s%s" COLOR_CYAN ":\n",
239 name, predicate);
240 else
241 fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n",
242 name, predicate);
243 } else
244 fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s" COLOR_RESET ":\n",
245 op, predicate);
246
247 /* Print the contents. */
248 switch (op) {
249 case PKT3_SET_CONTEXT_REG:
250 ac_parse_set_reg_packet(f, count, SI_CONTEXT_REG_OFFSET, ib);
251 break;
252 case PKT3_SET_CONFIG_REG:
253 ac_parse_set_reg_packet(f, count, SI_CONFIG_REG_OFFSET, ib);
254 break;
255 case PKT3_SET_UCONFIG_REG:
256 case PKT3_SET_UCONFIG_REG_INDEX:
257 ac_parse_set_reg_packet(f, count, CIK_UCONFIG_REG_OFFSET, ib);
258 break;
259 case PKT3_SET_SH_REG:
260 ac_parse_set_reg_packet(f, count, SI_SH_REG_OFFSET, ib);
261 break;
262 case PKT3_ACQUIRE_MEM:
263 ac_dump_reg(f, ib->chip_class, R_0301F0_CP_COHER_CNTL, ac_ib_get(ib), ~0);
264 ac_dump_reg(f, ib->chip_class, R_0301F4_CP_COHER_SIZE, ac_ib_get(ib), ~0);
265 ac_dump_reg(f, ib->chip_class, R_030230_CP_COHER_SIZE_HI, ac_ib_get(ib), ~0);
266 ac_dump_reg(f, ib->chip_class, R_0301F8_CP_COHER_BASE, ac_ib_get(ib), ~0);
267 ac_dump_reg(f, ib->chip_class, R_0301E4_CP_COHER_BASE_HI, ac_ib_get(ib), ~0);
268 print_named_value(f, "POLL_INTERVAL", ac_ib_get(ib), 16);
269 break;
270 case PKT3_SURFACE_SYNC:
271 if (ib->chip_class >= GFX7) {
272 ac_dump_reg(f, ib->chip_class, R_0301F0_CP_COHER_CNTL, ac_ib_get(ib), ~0);
273 ac_dump_reg(f, ib->chip_class, R_0301F4_CP_COHER_SIZE, ac_ib_get(ib), ~0);
274 ac_dump_reg(f, ib->chip_class, R_0301F8_CP_COHER_BASE, ac_ib_get(ib), ~0);
275 } else {
276 ac_dump_reg(f, ib->chip_class, R_0085F0_CP_COHER_CNTL, ac_ib_get(ib), ~0);
277 ac_dump_reg(f, ib->chip_class, R_0085F4_CP_COHER_SIZE, ac_ib_get(ib), ~0);
278 ac_dump_reg(f, ib->chip_class, R_0085F8_CP_COHER_BASE, ac_ib_get(ib), ~0);
279 }
280 print_named_value(f, "POLL_INTERVAL", ac_ib_get(ib), 16);
281 break;
282 case PKT3_EVENT_WRITE: {
283 uint32_t event_dw = ac_ib_get(ib);
284 ac_dump_reg(f, ib->chip_class, R_028A90_VGT_EVENT_INITIATOR, event_dw,
285 S_028A90_EVENT_TYPE(~0));
286 print_named_value(f, "EVENT_INDEX", (event_dw >> 8) & 0xf, 4);
287 print_named_value(f, "INV_L2", (event_dw >> 20) & 0x1, 1);
288 if (count > 0) {
289 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
290 print_named_value(f, "ADDRESS_HI", ac_ib_get(ib), 16);
291 }
292 break;
293 }
294 case PKT3_EVENT_WRITE_EOP: {
295 uint32_t event_dw = ac_ib_get(ib);
296 ac_dump_reg(f, ib->chip_class, R_028A90_VGT_EVENT_INITIATOR, event_dw,
297 S_028A90_EVENT_TYPE(~0));
298 print_named_value(f, "EVENT_INDEX", (event_dw >> 8) & 0xf, 4);
299 print_named_value(f, "TCL1_VOL_ACTION_ENA", (event_dw >> 12) & 0x1, 1);
300 print_named_value(f, "TC_VOL_ACTION_ENA", (event_dw >> 13) & 0x1, 1);
301 print_named_value(f, "TC_WB_ACTION_ENA", (event_dw >> 15) & 0x1, 1);
302 print_named_value(f, "TCL1_ACTION_ENA", (event_dw >> 16) & 0x1, 1);
303 print_named_value(f, "TC_ACTION_ENA", (event_dw >> 17) & 0x1, 1);
304 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
305 uint32_t addr_hi_dw = ac_ib_get(ib);
306 print_named_value(f, "ADDRESS_HI", addr_hi_dw, 16);
307 print_named_value(f, "DST_SEL", (addr_hi_dw >> 16) & 0x3, 2);
308 print_named_value(f, "INT_SEL", (addr_hi_dw >> 24) & 0x7, 3);
309 print_named_value(f, "DATA_SEL", addr_hi_dw >> 29, 3);
310 print_named_value(f, "DATA_LO", ac_ib_get(ib), 32);
311 print_named_value(f, "DATA_HI", ac_ib_get(ib), 32);
312 break;
313 }
314 case PKT3_RELEASE_MEM: {
315 uint32_t event_dw = ac_ib_get(ib);
316 ac_dump_reg(f, ib->chip_class, R_028A90_VGT_EVENT_INITIATOR, event_dw,
317 S_028A90_EVENT_TYPE(~0));
318 print_named_value(f, "EVENT_INDEX", (event_dw >> 8) & 0xf, 4);
319 print_named_value(f, "TCL1_VOL_ACTION_ENA", (event_dw >> 12) & 0x1, 1);
320 print_named_value(f, "TC_VOL_ACTION_ENA", (event_dw >> 13) & 0x1, 1);
321 print_named_value(f, "TC_WB_ACTION_ENA", (event_dw >> 15) & 0x1, 1);
322 print_named_value(f, "TCL1_ACTION_ENA", (event_dw >> 16) & 0x1, 1);
323 print_named_value(f, "TC_ACTION_ENA", (event_dw >> 17) & 0x1, 1);
324 print_named_value(f, "TC_NC_ACTION_ENA", (event_dw >> 19) & 0x1, 1);
325 print_named_value(f, "TC_WC_ACTION_ENA", (event_dw >> 20) & 0x1, 1);
326 print_named_value(f, "TC_MD_ACTION_ENA", (event_dw >> 21) & 0x1, 1);
327 uint32_t sel_dw = ac_ib_get(ib);
328 print_named_value(f, "DST_SEL", (sel_dw >> 16) & 0x3, 2);
329 print_named_value(f, "INT_SEL", (sel_dw >> 24) & 0x7, 3);
330 print_named_value(f, "DATA_SEL", sel_dw >> 29, 3);
331 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
332 print_named_value(f, "ADDRESS_HI", ac_ib_get(ib), 32);
333 print_named_value(f, "DATA_LO", ac_ib_get(ib), 32);
334 print_named_value(f, "DATA_HI", ac_ib_get(ib), 32);
335 print_named_value(f, "CTXID", ac_ib_get(ib), 32);
336 break;
337 }
338 case PKT3_WAIT_REG_MEM:
339 print_named_value(f, "OP", ac_ib_get(ib), 32);
340 print_named_value(f, "ADDRESS_LO", ac_ib_get(ib), 32);
341 print_named_value(f, "ADDRESS_HI", ac_ib_get(ib), 32);
342 print_named_value(f, "REF", ac_ib_get(ib), 32);
343 print_named_value(f, "MASK", ac_ib_get(ib), 32);
344 print_named_value(f, "POLL_INTERVAL", ac_ib_get(ib), 16);
345 break;
346 case PKT3_DRAW_INDEX_AUTO:
347 ac_dump_reg(f, ib->chip_class, R_030930_VGT_NUM_INDICES, ac_ib_get(ib), ~0);
348 ac_dump_reg(f, ib->chip_class, R_0287F0_VGT_DRAW_INITIATOR, ac_ib_get(ib), ~0);
349 break;
350 case PKT3_DRAW_INDEX_2:
351 ac_dump_reg(f, ib->chip_class, R_028A78_VGT_DMA_MAX_SIZE, ac_ib_get(ib), ~0);
352 ac_dump_reg(f, ib->chip_class, R_0287E8_VGT_DMA_BASE, ac_ib_get(ib), ~0);
353 ac_dump_reg(f, ib->chip_class, R_0287E4_VGT_DMA_BASE_HI, ac_ib_get(ib), ~0);
354 ac_dump_reg(f, ib->chip_class, R_030930_VGT_NUM_INDICES, ac_ib_get(ib), ~0);
355 ac_dump_reg(f, ib->chip_class, R_0287F0_VGT_DRAW_INITIATOR, ac_ib_get(ib), ~0);
356 break;
357 case PKT3_INDEX_TYPE:
358 ac_dump_reg(f, ib->chip_class, R_028A7C_VGT_DMA_INDEX_TYPE, ac_ib_get(ib), ~0);
359 break;
360 case PKT3_NUM_INSTANCES:
361 ac_dump_reg(f, ib->chip_class, R_030934_VGT_NUM_INSTANCES, ac_ib_get(ib), ~0);
362 break;
363 case PKT3_WRITE_DATA:
364 ac_dump_reg(f, ib->chip_class, R_370_CONTROL, ac_ib_get(ib), ~0);
365 ac_dump_reg(f, ib->chip_class, R_371_DST_ADDR_LO, ac_ib_get(ib), ~0);
366 ac_dump_reg(f, ib->chip_class, R_372_DST_ADDR_HI, ac_ib_get(ib), ~0);
367 /* The payload is written automatically */
368 break;
369 case PKT3_CP_DMA:
370 ac_dump_reg(f, ib->chip_class, R_410_CP_DMA_WORD0, ac_ib_get(ib), ~0);
371 ac_dump_reg(f, ib->chip_class, R_411_CP_DMA_WORD1, ac_ib_get(ib), ~0);
372 ac_dump_reg(f, ib->chip_class, R_412_CP_DMA_WORD2, ac_ib_get(ib), ~0);
373 ac_dump_reg(f, ib->chip_class, R_413_CP_DMA_WORD3, ac_ib_get(ib), ~0);
374 ac_dump_reg(f, ib->chip_class, R_414_COMMAND, ac_ib_get(ib), ~0);
375 break;
376 case PKT3_DMA_DATA:
377 ac_dump_reg(f, ib->chip_class, R_500_DMA_DATA_WORD0, ac_ib_get(ib), ~0);
378 ac_dump_reg(f, ib->chip_class, R_501_SRC_ADDR_LO, ac_ib_get(ib), ~0);
379 ac_dump_reg(f, ib->chip_class, R_502_SRC_ADDR_HI, ac_ib_get(ib), ~0);
380 ac_dump_reg(f, ib->chip_class, R_503_DST_ADDR_LO, ac_ib_get(ib), ~0);
381 ac_dump_reg(f, ib->chip_class, R_504_DST_ADDR_HI, ac_ib_get(ib), ~0);
382 ac_dump_reg(f, ib->chip_class, R_414_COMMAND, ac_ib_get(ib), ~0);
383 break;
384 case PKT3_INDIRECT_BUFFER_SI:
385 case PKT3_INDIRECT_BUFFER_CONST:
386 case PKT3_INDIRECT_BUFFER_CIK: {
387 uint32_t base_lo_dw = ac_ib_get(ib);
388 ac_dump_reg(f, ib->chip_class, R_3F0_IB_BASE_LO, base_lo_dw, ~0);
389 uint32_t base_hi_dw = ac_ib_get(ib);
390 ac_dump_reg(f, ib->chip_class, R_3F1_IB_BASE_HI, base_hi_dw, ~0);
391 uint32_t control_dw = ac_ib_get(ib);
392 ac_dump_reg(f, ib->chip_class, R_3F2_CONTROL, control_dw, ~0);
393
394 if (!ib->addr_callback)
395 break;
396
397 uint64_t addr = ((uint64_t)base_hi_dw << 32) | base_lo_dw;
398 void *data = ib->addr_callback(ib->addr_callback_data, addr);
399 if (!data)
400 break;
401
402 if (G_3F2_CHAIN(control_dw)) {
403 ib->ib = data;
404 ib->num_dw = G_3F2_IB_SIZE(control_dw);
405 ib->cur_dw = 0;
406 return;
407 }
408
409 struct ac_ib_parser ib_recurse;
410 memcpy(&ib_recurse, ib, sizeof(ib_recurse));
411 ib_recurse.ib = data;
412 ib_recurse.num_dw = G_3F2_IB_SIZE(control_dw);
413 ib_recurse.cur_dw = 0;
414 if(ib_recurse.trace_id_count) {
415 if (*current_trace_id == *ib->trace_ids) {
416 ++ib_recurse.trace_ids;
417 --ib_recurse.trace_id_count;
418 } else {
419 ib_recurse.trace_id_count = 0;
420 }
421 }
422
423 fprintf(f, "\n\035>------------------ nested begin ------------------\n");
424 ac_do_parse_ib(f, &ib_recurse);
425 fprintf(f, "\n\035<------------------- nested end -------------------\n");
426 break;
427 }
428 case PKT3_CLEAR_STATE:
429 case PKT3_INCREMENT_DE_COUNTER:
430 case PKT3_PFP_SYNC_ME:
431 break;
432 case PKT3_NOP:
433 if (header == 0xffff1000) {
434 count = -1; /* One dword NOP. */
435 } else if (count == 0 && ib->cur_dw < ib->num_dw &&
436 AC_IS_TRACE_POINT(ib->ib[ib->cur_dw])) {
437 unsigned packet_id = AC_GET_TRACE_POINT_ID(ib->ib[ib->cur_dw]);
438
439 print_spaces(f, INDENT_PKT);
440 fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id);
441
442 if (!ib->trace_id_count)
443 break; /* tracing was disabled */
444
445 *current_trace_id = packet_id;
446
447 print_spaces(f, INDENT_PKT);
448 if (packet_id < *ib->trace_ids)
449 fprintf(f, COLOR_RED
450 "This trace point was reached by the CP."
451 COLOR_RESET "\n");
452 else if (packet_id == *ib->trace_ids)
453 fprintf(f, COLOR_RED
454 "!!!!! This is the last trace point that "
455 "was reached by the CP !!!!!"
456 COLOR_RESET "\n");
457 else if (packet_id+1 == *ib->trace_ids)
458 fprintf(f, COLOR_RED
459 "!!!!! This is the first trace point that "
460 "was NOT been reached by the CP !!!!!"
461 COLOR_RESET "\n");
462 else
463 fprintf(f, COLOR_RED
464 "!!!!! This trace point was NOT reached "
465 "by the CP !!!!!"
466 COLOR_RESET "\n");
467 break;
468 }
469 break;
470 }
471
472 /* print additional dwords */
473 while (ib->cur_dw <= first_dw + count)
474 ac_ib_get(ib);
475
476 if (ib->cur_dw > first_dw + count + 1)
477 fprintf(f, COLOR_RED "\n!!!!! count in header too low !!!!!"
478 COLOR_RESET "\n");
479 }
480
481 /**
482 * Parse and print an IB into a file.
483 */
484 static void ac_do_parse_ib(FILE *f, struct ac_ib_parser *ib)
485 {
486 int current_trace_id = -1;
487
488 while (ib->cur_dw < ib->num_dw) {
489 uint32_t header = ac_ib_get(ib);
490 unsigned type = PKT_TYPE_G(header);
491
492 switch (type) {
493 case 3:
494 ac_parse_packet3(f, header, ib, &current_trace_id);
495 break;
496 case 2:
497 /* type-2 nop */
498 if (header == 0x80000000) {
499 fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
500 break;
501 }
502 /* fall through */
503 default:
504 fprintf(f, "Unknown packet type %i\n", type);
505 break;
506 }
507 }
508 }
509
510 static void format_ib_output(FILE *f, char *out)
511 {
512 unsigned depth = 0;
513
514 for (;;) {
515 char op = 0;
516
517 if (out[0] == '\n' && out[1] == '\035')
518 out++;
519 if (out[0] == '\035') {
520 op = out[1];
521 out += 2;
522 }
523
524 if (op == '<')
525 depth--;
526
527 unsigned indent = 4 * depth;
528 if (op != '#')
529 indent += 9;
530
531 if (indent)
532 print_spaces(f, indent);
533
534 char *end = util_strchrnul(out, '\n');
535 fwrite(out, end - out, 1, f);
536 fputc('\n', f); /* always end with a new line */
537 if (!*end)
538 break;
539
540 out = end + 1;
541
542 if (op == '>')
543 depth++;
544 }
545 }
546
547 /**
548 * Parse and print an IB into a file.
549 *
550 * \param f file
551 * \param ib_ptr IB
552 * \param num_dw size of the IB
553 * \param chip_class chip class
554 * \param trace_ids the last trace IDs that are known to have been reached
555 * and executed by the CP, typically read from a buffer
556 * \param trace_id_count The number of entries in the trace_ids array.
557 * \param addr_callback Get a mapped pointer of the IB at a given address. Can
558 * be NULL.
559 * \param addr_callback_data user data for addr_callback
560 */
561 void ac_parse_ib_chunk(FILE *f, uint32_t *ib_ptr, int num_dw, const int *trace_ids,
562 unsigned trace_id_count, enum chip_class chip_class,
563 ac_debug_addr_callback addr_callback, void *addr_callback_data)
564 {
565 struct ac_ib_parser ib = {};
566 ib.ib = ib_ptr;
567 ib.num_dw = num_dw;
568 ib.trace_ids = trace_ids;
569 ib.trace_id_count = trace_id_count;
570 ib.chip_class = chip_class;
571 ib.addr_callback = addr_callback;
572 ib.addr_callback_data = addr_callback_data;
573
574 char *out;
575 size_t outsize;
576 FILE *memf = open_memstream(&out, &outsize);
577 ib.f = memf;
578 ac_do_parse_ib(memf, &ib);
579 fclose(memf);
580
581 if (out) {
582 format_ib_output(f, out);
583 free(out);
584 }
585
586 if (ib.cur_dw > ib.num_dw) {
587 printf("\nPacket ends after the end of IB.\n");
588 exit(1);
589 }
590 }
591
592 /**
593 * Parse and print an IB into a file.
594 *
595 * \param f file
596 * \param ib IB
597 * \param num_dw size of the IB
598 * \param chip_class chip class
599 * \param trace_ids the last trace IDs that are known to have been reached
600 * and executed by the CP, typically read from a buffer
601 * \param trace_id_count The number of entries in the trace_ids array.
602 * \param addr_callback Get a mapped pointer of the IB at a given address. Can
603 * be NULL.
604 * \param addr_callback_data user data for addr_callback
605 */
606 void ac_parse_ib(FILE *f, uint32_t *ib, int num_dw, const int *trace_ids,
607 unsigned trace_id_count, const char *name,
608 enum chip_class chip_class, ac_debug_addr_callback addr_callback,
609 void *addr_callback_data)
610 {
611 fprintf(f, "------------------ %s begin ------------------\n", name);
612
613 ac_parse_ib_chunk(f, ib, num_dw, trace_ids, trace_id_count,
614 chip_class, addr_callback, addr_callback_data);
615
616 fprintf(f, "------------------- %s end -------------------\n\n", name);
617 }
618
619 /**
620 * Parse dmesg and return TRUE if a VM fault has been detected.
621 *
622 * \param chip_class chip class
623 * \param old_dmesg_timestamp previous dmesg timestamp parsed at init time
624 * \param out_addr detected VM fault addr
625 */
626 bool ac_vm_fault_occured(enum chip_class chip_class,
627 uint64_t *old_dmesg_timestamp, uint64_t *out_addr)
628 {
629 char line[2000];
630 unsigned sec, usec;
631 int progress = 0;
632 uint64_t dmesg_timestamp = 0;
633 bool fault = false;
634
635 FILE *p = popen("dmesg", "r");
636 if (!p)
637 return false;
638
639 while (fgets(line, sizeof(line), p)) {
640 char *msg, len;
641
642 if (!line[0] || line[0] == '\n')
643 continue;
644
645 /* Get the timestamp. */
646 if (sscanf(line, "[%u.%u]", &sec, &usec) != 2) {
647 static bool hit = false;
648 if (!hit) {
649 fprintf(stderr, "%s: failed to parse line '%s'\n",
650 __func__, line);
651 hit = true;
652 }
653 continue;
654 }
655 dmesg_timestamp = sec * 1000000ull + usec;
656
657 /* If just updating the timestamp. */
658 if (!out_addr)
659 continue;
660
661 /* Process messages only if the timestamp is newer. */
662 if (dmesg_timestamp <= *old_dmesg_timestamp)
663 continue;
664
665 /* Only process the first VM fault. */
666 if (fault)
667 continue;
668
669 /* Remove trailing \n */
670 len = strlen(line);
671 if (len && line[len-1] == '\n')
672 line[len-1] = 0;
673
674 /* Get the message part. */
675 msg = strchr(line, ']');
676 if (!msg)
677 continue;
678 msg++;
679
680 const char *header_line, *addr_line_prefix, *addr_line_format;
681
682 if (chip_class >= GFX9) {
683 /* Match this:
684 * ..: [gfxhub] VMC page fault (src_id:0 ring:158 vm_id:2 pas_id:0)
685 * ..: at page 0x0000000219f8f000 from 27
686 * ..: VM_L2_PROTECTION_FAULT_STATUS:0x0020113C
687 */
688 header_line = "VMC page fault";
689 addr_line_prefix = " at page";
690 addr_line_format = "%"PRIx64;
691 } else {
692 header_line = "GPU fault detected:";
693 addr_line_prefix = "VM_CONTEXT1_PROTECTION_FAULT_ADDR";
694 addr_line_format = "%"PRIX64;
695 }
696
697 switch (progress) {
698 case 0:
699 if (strstr(msg, header_line))
700 progress = 1;
701 break;
702 case 1:
703 msg = strstr(msg, addr_line_prefix);
704 if (msg) {
705 msg = strstr(msg, "0x");
706 if (msg) {
707 msg += 2;
708 if (sscanf(msg, addr_line_format, out_addr) == 1)
709 fault = true;
710 }
711 }
712 progress = 0;
713 break;
714 default:
715 progress = 0;
716 }
717 }
718 pclose(p);
719
720 if (dmesg_timestamp > *old_dmesg_timestamp)
721 *old_dmesg_timestamp = dmesg_timestamp;
722
723 return fault;
724 }
725
726 static int compare_wave(const void *p1, const void *p2)
727 {
728 struct ac_wave_info *w1 = (struct ac_wave_info *)p1;
729 struct ac_wave_info *w2 = (struct ac_wave_info *)p2;
730
731 /* Sort waves according to PC and then SE, SH, CU, etc. */
732 if (w1->pc < w2->pc)
733 return -1;
734 if (w1->pc > w2->pc)
735 return 1;
736 if (w1->se < w2->se)
737 return -1;
738 if (w1->se > w2->se)
739 return 1;
740 if (w1->sh < w2->sh)
741 return -1;
742 if (w1->sh > w2->sh)
743 return 1;
744 if (w1->cu < w2->cu)
745 return -1;
746 if (w1->cu > w2->cu)
747 return 1;
748 if (w1->simd < w2->simd)
749 return -1;
750 if (w1->simd > w2->simd)
751 return 1;
752 if (w1->wave < w2->wave)
753 return -1;
754 if (w1->wave > w2->wave)
755 return 1;
756
757 return 0;
758 }
759
760 /* Return wave information. "waves" should be a large enough array. */
761 unsigned ac_get_wave_info(struct ac_wave_info waves[AC_MAX_WAVES_PER_CHIP])
762 {
763 char line[2000];
764 unsigned num_waves = 0;
765
766 FILE *p = popen("umr -O halt_waves -wa", "r");
767 if (!p)
768 return 0;
769
770 if (!fgets(line, sizeof(line), p) ||
771 strncmp(line, "SE", 2) != 0) {
772 pclose(p);
773 return 0;
774 }
775
776 while (fgets(line, sizeof(line), p)) {
777 struct ac_wave_info *w;
778 uint32_t pc_hi, pc_lo, exec_hi, exec_lo;
779
780 assert(num_waves < AC_MAX_WAVES_PER_CHIP);
781 w = &waves[num_waves];
782
783 if (sscanf(line, "%u %u %u %u %u %x %x %x %x %x %x %x",
784 &w->se, &w->sh, &w->cu, &w->simd, &w->wave,
785 &w->status, &pc_hi, &pc_lo, &w->inst_dw0,
786 &w->inst_dw1, &exec_hi, &exec_lo) == 12) {
787 w->pc = ((uint64_t)pc_hi << 32) | pc_lo;
788 w->exec = ((uint64_t)exec_hi << 32) | exec_lo;
789 w->matched = false;
790 num_waves++;
791 }
792 }
793
794 qsort(waves, num_waves, sizeof(struct ac_wave_info), compare_wave);
795
796 pclose(p);
797 return num_waves;
798 }