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1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM dma
4
5#if !defined(_TRACE_DMA_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_DMA_H
7
8#include <linux/tracepoint.h>
9#include <linux/dma-direction.h>
10#include <linux/dma-mapping.h>
11#include <trace/events/mmflags.h>
12
13TRACE_DEFINE_ENUM(DMA_BIDIRECTIONAL);
14TRACE_DEFINE_ENUM(DMA_TO_DEVICE);
15TRACE_DEFINE_ENUM(DMA_FROM_DEVICE);
16TRACE_DEFINE_ENUM(DMA_NONE);
17
18#define decode_dma_data_direction(dir) \
19 __print_symbolic(dir, \
20 { DMA_BIDIRECTIONAL, "BIDIRECTIONAL" }, \
21 { DMA_TO_DEVICE, "TO_DEVICE" }, \
22 { DMA_FROM_DEVICE, "FROM_DEVICE" }, \
23 { DMA_NONE, "NONE" })
24
25#define decode_dma_attrs(attrs) \
26 __print_flags(attrs, "|", \
27 { DMA_ATTR_WEAK_ORDERING, "WEAK_ORDERING" }, \
28 { DMA_ATTR_WRITE_COMBINE, "WRITE_COMBINE" }, \
29 { DMA_ATTR_NO_KERNEL_MAPPING, "NO_KERNEL_MAPPING" }, \
30 { DMA_ATTR_SKIP_CPU_SYNC, "SKIP_CPU_SYNC" }, \
31 { DMA_ATTR_FORCE_CONTIGUOUS, "FORCE_CONTIGUOUS" }, \
32 { DMA_ATTR_ALLOC_SINGLE_PAGES, "ALLOC_SINGLE_PAGES" }, \
33 { DMA_ATTR_NO_WARN, "NO_WARN" }, \
34 { DMA_ATTR_PRIVILEGED, "PRIVILEGED" })
35
36DECLARE_EVENT_CLASS(dma_map,
37 TP_PROTO(struct device *dev, phys_addr_t phys_addr, dma_addr_t dma_addr,
38 size_t size, enum dma_data_direction dir, unsigned long attrs),
39 TP_ARGS(dev, phys_addr, dma_addr, size, dir, attrs),
40
41 TP_STRUCT__entry(
42 __string(device, dev_name(dev))
43 __field(u64, phys_addr)
44 __field(u64, dma_addr)
45 __field(size_t, size)
46 __field(enum dma_data_direction, dir)
47 __field(unsigned long, attrs)
48 ),
49
50 TP_fast_assign(
51 __assign_str(device);
52 __entry->phys_addr = phys_addr;
53 __entry->dma_addr = dma_addr;
54 __entry->size = size;
55 __entry->dir = dir;
56 __entry->attrs = attrs;
57 ),
58
59 TP_printk("%s dir=%s dma_addr=%llx size=%zu phys_addr=%llx attrs=%s",
60 __get_str(device),
61 decode_dma_data_direction(__entry->dir),
62 __entry->dma_addr,
63 __entry->size,
64 __entry->phys_addr,
65 decode_dma_attrs(__entry->attrs))
66);
67
68#define DEFINE_MAP_EVENT(name) \
69DEFINE_EVENT(dma_map, name, \
70 TP_PROTO(struct device *dev, phys_addr_t phys_addr, dma_addr_t dma_addr, \
71 size_t size, enum dma_data_direction dir, unsigned long attrs), \
72 TP_ARGS(dev, phys_addr, dma_addr, size, dir, attrs))
73
74DEFINE_MAP_EVENT(dma_map_page);
75DEFINE_MAP_EVENT(dma_map_resource);
76
77DECLARE_EVENT_CLASS(dma_unmap,
78 TP_PROTO(struct device *dev, dma_addr_t addr, size_t size,
79 enum dma_data_direction dir, unsigned long attrs),
80 TP_ARGS(dev, addr, size, dir, attrs),
81
82 TP_STRUCT__entry(
83 __string(device, dev_name(dev))
84 __field(u64, addr)
85 __field(size_t, size)
86 __field(enum dma_data_direction, dir)
87 __field(unsigned long, attrs)
88 ),
89
90 TP_fast_assign(
91 __assign_str(device);
92 __entry->addr = addr;
93 __entry->size = size;
94 __entry->dir = dir;
95 __entry->attrs = attrs;
96 ),
97
98 TP_printk("%s dir=%s dma_addr=%llx size=%zu attrs=%s",
99 __get_str(device),
100 decode_dma_data_direction(__entry->dir),
101 __entry->addr,
102 __entry->size,
103 decode_dma_attrs(__entry->attrs))
104);
105
106#define DEFINE_UNMAP_EVENT(name) \
107DEFINE_EVENT(dma_unmap, name, \
108 TP_PROTO(struct device *dev, dma_addr_t addr, size_t size, \
109 enum dma_data_direction dir, unsigned long attrs), \
110 TP_ARGS(dev, addr, size, dir, attrs))
111
112DEFINE_UNMAP_EVENT(dma_unmap_page);
113DEFINE_UNMAP_EVENT(dma_unmap_resource);
114
115DECLARE_EVENT_CLASS(dma_alloc_class,
116 TP_PROTO(struct device *dev, void *virt_addr, dma_addr_t dma_addr,
117 size_t size, enum dma_data_direction dir, gfp_t flags,
118 unsigned long attrs),
119 TP_ARGS(dev, virt_addr, dma_addr, size, dir, flags, attrs),
120
121 TP_STRUCT__entry(
122 __string(device, dev_name(dev))
123 __field(void *, virt_addr)
124 __field(u64, dma_addr)
125 __field(size_t, size)
126 __field(gfp_t, flags)
127 __field(enum dma_data_direction, dir)
128 __field(unsigned long, attrs)
129 ),
130
131 TP_fast_assign(
132 __assign_str(device);
133 __entry->virt_addr = virt_addr;
134 __entry->dma_addr = dma_addr;
135 __entry->size = size;
136 __entry->flags = flags;
137 __entry->attrs = attrs;
138 ),
139
140 TP_printk("%s dir=%s dma_addr=%llx size=%zu virt_addr=%p flags=%s attrs=%s",
141 __get_str(device),
142 decode_dma_data_direction(__entry->dir),
143 __entry->dma_addr,
144 __entry->size,
145 __entry->virt_addr,
146 show_gfp_flags(__entry->flags),
147 decode_dma_attrs(__entry->attrs))
148);
149
150#define DEFINE_ALLOC_EVENT(name) \
151DEFINE_EVENT(dma_alloc_class, name, \
152 TP_PROTO(struct device *dev, void *virt_addr, dma_addr_t dma_addr, \
153 size_t size, enum dma_data_direction dir, gfp_t flags, \
154 unsigned long attrs), \
155 TP_ARGS(dev, virt_addr, dma_addr, size, dir, flags, attrs))
156
157DEFINE_ALLOC_EVENT(dma_alloc);
158DEFINE_ALLOC_EVENT(dma_alloc_pages);
159DEFINE_ALLOC_EVENT(dma_alloc_sgt_err);
160
161TRACE_EVENT(dma_alloc_sgt,
162 TP_PROTO(struct device *dev, struct sg_table *sgt, size_t size,
163 enum dma_data_direction dir, gfp_t flags, unsigned long attrs),
164 TP_ARGS(dev, sgt, size, dir, flags, attrs),
165
166 TP_STRUCT__entry(
167 __string(device, dev_name(dev))
168 __dynamic_array(u64, phys_addrs, sgt->orig_nents)
169 __field(u64, dma_addr)
170 __field(size_t, size)
171 __field(enum dma_data_direction, dir)
172 __field(gfp_t, flags)
173 __field(unsigned long, attrs)
174 ),
175
176 TP_fast_assign(
177 struct scatterlist *sg;
178 int i;
179
180 __assign_str(device);
181 for_each_sg(sgt->sgl, sg, sgt->orig_nents, i)
182 ((u64 *)__get_dynamic_array(phys_addrs))[i] = sg_phys(sg);
183 __entry->dma_addr = sg_dma_address(sgt->sgl);
184 __entry->size = size;
185 __entry->dir = dir;
186 __entry->flags = flags;
187 __entry->attrs = attrs;
188 ),
189
190 TP_printk("%s dir=%s dma_addr=%llx size=%zu phys_addrs=%s flags=%s attrs=%s",
191 __get_str(device),
192 decode_dma_data_direction(__entry->dir),
193 __entry->dma_addr,
194 __entry->size,
195 __print_array(__get_dynamic_array(phys_addrs),
196 __get_dynamic_array_len(phys_addrs) /
197 sizeof(u64), sizeof(u64)),
198 show_gfp_flags(__entry->flags),
199 decode_dma_attrs(__entry->attrs))
200);
201
202DECLARE_EVENT_CLASS(dma_free_class,
203 TP_PROTO(struct device *dev, void *virt_addr, dma_addr_t dma_addr,
204 size_t size, enum dma_data_direction dir, unsigned long attrs),
205 TP_ARGS(dev, virt_addr, dma_addr, size, dir, attrs),
206
207 TP_STRUCT__entry(
208 __string(device, dev_name(dev))
209 __field(void *, virt_addr)
210 __field(u64, dma_addr)
211 __field(size_t, size)
212 __field(enum dma_data_direction, dir)
213 __field(unsigned long, attrs)
214 ),
215
216 TP_fast_assign(
217 __assign_str(device);
218 __entry->virt_addr = virt_addr;
219 __entry->dma_addr = dma_addr;
220 __entry->size = size;
221 __entry->dir = dir;
222 __entry->attrs = attrs;
223 ),
224
225 TP_printk("%s dir=%s dma_addr=%llx size=%zu virt_addr=%p attrs=%s",
226 __get_str(device),
227 decode_dma_data_direction(__entry->dir),
228 __entry->dma_addr,
229 __entry->size,
230 __entry->virt_addr,
231 decode_dma_attrs(__entry->attrs))
232);
233
234#define DEFINE_FREE_EVENT(name) \
235DEFINE_EVENT(dma_free_class, name, \
236 TP_PROTO(struct device *dev, void *virt_addr, dma_addr_t dma_addr, \
237 size_t size, enum dma_data_direction dir, unsigned long attrs), \
238 TP_ARGS(dev, virt_addr, dma_addr, size, dir, attrs))
239
240DEFINE_FREE_EVENT(dma_free);
241DEFINE_FREE_EVENT(dma_free_pages);
242
243TRACE_EVENT(dma_free_sgt,
244 TP_PROTO(struct device *dev, struct sg_table *sgt, size_t size,
245 enum dma_data_direction dir),
246 TP_ARGS(dev, sgt, size, dir),
247
248 TP_STRUCT__entry(
249 __string(device, dev_name(dev))
250 __dynamic_array(u64, phys_addrs, sgt->orig_nents)
251 __field(u64, dma_addr)
252 __field(size_t, size)
253 __field(enum dma_data_direction, dir)
254 ),
255
256 TP_fast_assign(
257 struct scatterlist *sg;
258 int i;
259
260 __assign_str(device);
261 for_each_sg(sgt->sgl, sg, sgt->orig_nents, i)
262 ((u64 *)__get_dynamic_array(phys_addrs))[i] = sg_phys(sg);
263 __entry->dma_addr = sg_dma_address(sgt->sgl);
264 __entry->size = size;
265 __entry->dir = dir;
266 ),
267
268 TP_printk("%s dir=%s dma_addr=%llx size=%zu phys_addrs=%s",
269 __get_str(device),
270 decode_dma_data_direction(__entry->dir),
271 __entry->dma_addr,
272 __entry->size,
273 __print_array(__get_dynamic_array(phys_addrs),
274 __get_dynamic_array_len(phys_addrs) /
275 sizeof(u64), sizeof(u64)))
276);
277
278TRACE_EVENT(dma_map_sg,
279 TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
280 int ents, enum dma_data_direction dir, unsigned long attrs),
281 TP_ARGS(dev, sgl, nents, ents, dir, attrs),
282
283 TP_STRUCT__entry(
284 __string(device, dev_name(dev))
285 __dynamic_array(u64, phys_addrs, nents)
286 __dynamic_array(u64, dma_addrs, ents)
287 __dynamic_array(unsigned int, lengths, ents)
288 __field(enum dma_data_direction, dir)
289 __field(unsigned long, attrs)
290 ),
291
292 TP_fast_assign(
293 struct scatterlist *sg;
294 int i;
295
296 __assign_str(device);
297 for_each_sg(sgl, sg, nents, i)
298 ((u64 *)__get_dynamic_array(phys_addrs))[i] = sg_phys(sg);
299 for_each_sg(sgl, sg, ents, i) {
300 ((u64 *)__get_dynamic_array(dma_addrs))[i] =
301 sg_dma_address(sg);
302 ((unsigned int *)__get_dynamic_array(lengths))[i] =
303 sg_dma_len(sg);
304 }
305 __entry->dir = dir;
306 __entry->attrs = attrs;
307 ),
308
309 TP_printk("%s dir=%s dma_addrs=%s sizes=%s phys_addrs=%s attrs=%s",
310 __get_str(device),
311 decode_dma_data_direction(__entry->dir),
312 __print_array(__get_dynamic_array(dma_addrs),
313 __get_dynamic_array_len(dma_addrs) /
314 sizeof(u64), sizeof(u64)),
315 __print_array(__get_dynamic_array(lengths),
316 __get_dynamic_array_len(lengths) /
317 sizeof(unsigned int), sizeof(unsigned int)),
318 __print_array(__get_dynamic_array(phys_addrs),
319 __get_dynamic_array_len(phys_addrs) /
320 sizeof(u64), sizeof(u64)),
321 decode_dma_attrs(__entry->attrs))
322);
323
324TRACE_EVENT(dma_map_sg_err,
325 TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
326 int err, enum dma_data_direction dir, unsigned long attrs),
327 TP_ARGS(dev, sgl, nents, err, dir, attrs),
328
329 TP_STRUCT__entry(
330 __string(device, dev_name(dev))
331 __dynamic_array(u64, phys_addrs, nents)
332 __field(int, err)
333 __field(enum dma_data_direction, dir)
334 __field(unsigned long, attrs)
335 ),
336
337 TP_fast_assign(
338 struct scatterlist *sg;
339 int i;
340
341 __assign_str(device);
342 for_each_sg(sgl, sg, nents, i)
343 ((u64 *)__get_dynamic_array(phys_addrs))[i] = sg_phys(sg);
344 __entry->err = err;
345 __entry->dir = dir;
346 __entry->attrs = attrs;
347 ),
348
349 TP_printk("%s dir=%s dma_addrs=%s err=%d attrs=%s",
350 __get_str(device),
351 decode_dma_data_direction(__entry->dir),
352 __print_array(__get_dynamic_array(phys_addrs),
353 __get_dynamic_array_len(phys_addrs) /
354 sizeof(u64), sizeof(u64)),
355 __entry->err,
356 decode_dma_attrs(__entry->attrs))
357);
358
359TRACE_EVENT(dma_unmap_sg,
360 TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
361 enum dma_data_direction dir, unsigned long attrs),
362 TP_ARGS(dev, sgl, nents, dir, attrs),
363
364 TP_STRUCT__entry(
365 __string(device, dev_name(dev))
366 __dynamic_array(u64, addrs, nents)
367 __field(enum dma_data_direction, dir)
368 __field(unsigned long, attrs)
369 ),
370
371 TP_fast_assign(
372 struct scatterlist *sg;
373 int i;
374
375 __assign_str(device);
376 for_each_sg(sgl, sg, nents, i)
377 ((u64 *)__get_dynamic_array(addrs))[i] = sg_phys(sg);
378 __entry->dir = dir;
379 __entry->attrs = attrs;
380 ),
381
382 TP_printk("%s dir=%s phys_addrs=%s attrs=%s",
383 __get_str(device),
384 decode_dma_data_direction(__entry->dir),
385 __print_array(__get_dynamic_array(addrs),
386 __get_dynamic_array_len(addrs) /
387 sizeof(u64), sizeof(u64)),
388 decode_dma_attrs(__entry->attrs))
389);
390
391DECLARE_EVENT_CLASS(dma_sync_single,
392 TP_PROTO(struct device *dev, dma_addr_t dma_addr, size_t size,
393 enum dma_data_direction dir),
394 TP_ARGS(dev, dma_addr, size, dir),
395
396 TP_STRUCT__entry(
397 __string(device, dev_name(dev))
398 __field(u64, dma_addr)
399 __field(size_t, size)
400 __field(enum dma_data_direction, dir)
401 ),
402
403 TP_fast_assign(
404 __assign_str(device);
405 __entry->dma_addr = dma_addr;
406 __entry->size = size;
407 __entry->dir = dir;
408 ),
409
410 TP_printk("%s dir=%s dma_addr=%llx size=%zu",
411 __get_str(device),
412 decode_dma_data_direction(__entry->dir),
413 __entry->dma_addr,
414 __entry->size)
415);
416
417#define DEFINE_SYNC_SINGLE_EVENT(name) \
418DEFINE_EVENT(dma_sync_single, name, \
419 TP_PROTO(struct device *dev, dma_addr_t dma_addr, size_t size, \
420 enum dma_data_direction dir), \
421 TP_ARGS(dev, dma_addr, size, dir))
422
423DEFINE_SYNC_SINGLE_EVENT(dma_sync_single_for_cpu);
424DEFINE_SYNC_SINGLE_EVENT(dma_sync_single_for_device);
425
426DECLARE_EVENT_CLASS(dma_sync_sg,
427 TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
428 enum dma_data_direction dir),
429 TP_ARGS(dev, sgl, nents, dir),
430
431 TP_STRUCT__entry(
432 __string(device, dev_name(dev))
433 __dynamic_array(u64, dma_addrs, nents)
434 __dynamic_array(unsigned int, lengths, nents)
435 __field(enum dma_data_direction, dir)
436 ),
437
438 TP_fast_assign(
439 struct scatterlist *sg;
440 int i;
441
442 __assign_str(device);
443 for_each_sg(sgl, sg, nents, i) {
444 ((u64 *)__get_dynamic_array(dma_addrs))[i] =
445 sg_dma_address(sg);
446 ((unsigned int *)__get_dynamic_array(lengths))[i] =
447 sg_dma_len(sg);
448 }
449 __entry->dir = dir;
450 ),
451
452 TP_printk("%s dir=%s dma_addrs=%s sizes=%s",
453 __get_str(device),
454 decode_dma_data_direction(__entry->dir),
455 __print_array(__get_dynamic_array(dma_addrs),
456 __get_dynamic_array_len(dma_addrs) /
457 sizeof(u64), sizeof(u64)),
458 __print_array(__get_dynamic_array(lengths),
459 __get_dynamic_array_len(lengths) /
460 sizeof(unsigned int), sizeof(unsigned int)))
461);
462
463#define DEFINE_SYNC_SG_EVENT(name) \
464DEFINE_EVENT(dma_sync_sg, name, \
465 TP_PROTO(struct device *dev, struct scatterlist *sg, int nents, \
466 enum dma_data_direction dir), \
467 TP_ARGS(dev, sg, nents, dir))
468
469DEFINE_SYNC_SG_EVENT(dma_sync_sg_for_cpu);
470DEFINE_SYNC_SG_EVENT(dma_sync_sg_for_device);
471
472#endif /* _TRACE_DMA_H */
473
474/* This part must be outside protection */
475#include <trace/define_trace.h>