xref: /linux/include/uapi/drm/v3d_drm.h (revision 2c1ed907520c50326b8f604907a8478b27881a2e)
1 /*
2  * Copyright © 2014-2018 Broadcom
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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef _V3D_DRM_H_
25 #define _V3D_DRM_H_
26 
27 #include "drm.h"
28 
29 #if defined(__cplusplus)
30 extern "C" {
31 #endif
32 
33 #define DRM_V3D_SUBMIT_CL                         0x00
34 #define DRM_V3D_WAIT_BO                           0x01
35 #define DRM_V3D_CREATE_BO                         0x02
36 #define DRM_V3D_MMAP_BO                           0x03
37 #define DRM_V3D_GET_PARAM                         0x04
38 #define DRM_V3D_GET_BO_OFFSET                     0x05
39 #define DRM_V3D_SUBMIT_TFU                        0x06
40 #define DRM_V3D_SUBMIT_CSD                        0x07
41 #define DRM_V3D_PERFMON_CREATE                    0x08
42 #define DRM_V3D_PERFMON_DESTROY                   0x09
43 #define DRM_V3D_PERFMON_GET_VALUES                0x0a
44 #define DRM_V3D_SUBMIT_CPU                        0x0b
45 #define DRM_V3D_PERFMON_GET_COUNTER               0x0c
46 #define DRM_V3D_PERFMON_SET_GLOBAL                0x0d
47 
48 #define DRM_IOCTL_V3D_SUBMIT_CL           DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_CL, struct drm_v3d_submit_cl)
49 #define DRM_IOCTL_V3D_WAIT_BO             DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_WAIT_BO, struct drm_v3d_wait_bo)
50 #define DRM_IOCTL_V3D_CREATE_BO           DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_CREATE_BO, struct drm_v3d_create_bo)
51 #define DRM_IOCTL_V3D_MMAP_BO             DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_MMAP_BO, struct drm_v3d_mmap_bo)
52 #define DRM_IOCTL_V3D_GET_PARAM           DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_GET_PARAM, struct drm_v3d_get_param)
53 #define DRM_IOCTL_V3D_GET_BO_OFFSET       DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_GET_BO_OFFSET, struct drm_v3d_get_bo_offset)
54 #define DRM_IOCTL_V3D_SUBMIT_TFU          DRM_IOW(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_TFU, struct drm_v3d_submit_tfu)
55 #define DRM_IOCTL_V3D_SUBMIT_CSD          DRM_IOW(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_CSD, struct drm_v3d_submit_csd)
56 #define DRM_IOCTL_V3D_PERFMON_CREATE      DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_CREATE, \
57 						   struct drm_v3d_perfmon_create)
58 #define DRM_IOCTL_V3D_PERFMON_DESTROY     DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_DESTROY, \
59 						   struct drm_v3d_perfmon_destroy)
60 #define DRM_IOCTL_V3D_PERFMON_GET_VALUES  DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_GET_VALUES, \
61 						   struct drm_v3d_perfmon_get_values)
62 #define DRM_IOCTL_V3D_SUBMIT_CPU          DRM_IOW(DRM_COMMAND_BASE + DRM_V3D_SUBMIT_CPU, struct drm_v3d_submit_cpu)
63 #define DRM_IOCTL_V3D_PERFMON_GET_COUNTER DRM_IOWR(DRM_COMMAND_BASE + DRM_V3D_PERFMON_GET_COUNTER, \
64 						   struct drm_v3d_perfmon_get_counter)
65 #define DRM_IOCTL_V3D_PERFMON_SET_GLOBAL  DRM_IOW(DRM_COMMAND_BASE + DRM_V3D_PERFMON_SET_GLOBAL, \
66 						   struct drm_v3d_perfmon_set_global)
67 
68 #define DRM_V3D_SUBMIT_CL_FLUSH_CACHE             0x01
69 #define DRM_V3D_SUBMIT_EXTENSION		  0x02
70 
71 /* struct drm_v3d_extension - ioctl extensions
72  *
73  * Linked-list of generic extensions where the id identify which struct is
74  * pointed by ext_data. Therefore, DRM_V3D_EXT_ID_* is used on id to identify
75  * the extension type.
76  */
77 struct drm_v3d_extension {
78 	__u64 next;
79 	__u32 id;
80 #define DRM_V3D_EXT_ID_MULTI_SYNC			0x01
81 #define DRM_V3D_EXT_ID_CPU_INDIRECT_CSD		0x02
82 #define DRM_V3D_EXT_ID_CPU_TIMESTAMP_QUERY		0x03
83 #define DRM_V3D_EXT_ID_CPU_RESET_TIMESTAMP_QUERY	0x04
84 #define DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY	0x05
85 #define DRM_V3D_EXT_ID_CPU_RESET_PERFORMANCE_QUERY	0x06
86 #define DRM_V3D_EXT_ID_CPU_COPY_PERFORMANCE_QUERY	0x07
87 	__u32 flags; /* mbz */
88 };
89 
90 /* struct drm_v3d_sem - wait/signal semaphore
91  *
92  * If binary semaphore, it only takes syncobj handle and ignores flags and
93  * point fields. Point is defined for timeline syncobj feature.
94  */
95 struct drm_v3d_sem {
96 	__u32 handle; /* syncobj */
97 	/* rsv below, for future uses */
98 	__u32 flags;
99 	__u64 point;  /* for timeline sem support */
100 	__u64 mbz[2]; /* must be zero, rsv */
101 };
102 
103 /* Enum for each of the V3D queues. */
104 enum v3d_queue {
105 	V3D_BIN,
106 	V3D_RENDER,
107 	V3D_TFU,
108 	V3D_CSD,
109 	V3D_CACHE_CLEAN,
110 	V3D_CPU,
111 };
112 
113 /**
114  * struct drm_v3d_multi_sync - ioctl extension to add support multiples
115  * syncobjs for commands submission.
116  *
117  * When an extension of DRM_V3D_EXT_ID_MULTI_SYNC id is defined, it points to
118  * this extension to define wait and signal dependencies, instead of single
119  * in/out sync entries on submitting commands. The field flags is used to
120  * determine the stage to set wait dependencies.
121  */
122 struct drm_v3d_multi_sync {
123 	struct drm_v3d_extension base;
124 	/* Array of wait and signal semaphores */
125 	__u64 in_syncs;
126 	__u64 out_syncs;
127 
128 	/* Number of entries */
129 	__u32 in_sync_count;
130 	__u32 out_sync_count;
131 
132 	/* set the stage (v3d_queue) to sync */
133 	__u32 wait_stage;
134 
135 	__u32 pad; /* mbz */
136 };
137 
138 /**
139  * struct drm_v3d_submit_cl - ioctl argument for submitting commands to the 3D
140  * engine.
141  *
142  * This asks the kernel to have the GPU execute an optional binner
143  * command list, and a render command list.
144  *
145  * The L1T, slice, L2C, L2T, and GCA caches will be flushed before
146  * each CL executes.  The VCD cache should be flushed (if necessary)
147  * by the submitted CLs.  The TLB writes are guaranteed to have been
148  * flushed by the time the render done IRQ happens, which is the
149  * trigger for out_sync.  Any dirtying of cachelines by the job (only
150  * possible using TMU writes) must be flushed by the caller using the
151  * DRM_V3D_SUBMIT_CL_FLUSH_CACHE_FLAG flag.
152  */
153 struct drm_v3d_submit_cl {
154 	/* Pointer to the binner command list.
155 	 *
156 	 * This is the first set of commands executed, which runs the
157 	 * coordinate shader to determine where primitives land on the screen,
158 	 * then writes out the state updates and draw calls necessary per tile
159 	 * to the tile allocation BO.
160 	 *
161 	 * This BCL will block on any previous BCL submitted on the
162 	 * same FD, but not on any RCL or BCLs submitted by other
163 	 * clients -- that is left up to the submitter to control
164 	 * using in_sync_bcl if necessary.
165 	 */
166 	__u32 bcl_start;
167 
168 	/** End address of the BCL (first byte after the BCL) */
169 	__u32 bcl_end;
170 
171 	/* Offset of the render command list.
172 	 *
173 	 * This is the second set of commands executed, which will either
174 	 * execute the tiles that have been set up by the BCL, or a fixed set
175 	 * of tiles (in the case of RCL-only blits).
176 	 *
177 	 * This RCL will block on this submit's BCL, and any previous
178 	 * RCL submitted on the same FD, but not on any RCL or BCLs
179 	 * submitted by other clients -- that is left up to the
180 	 * submitter to control using in_sync_rcl if necessary.
181 	 */
182 	__u32 rcl_start;
183 
184 	/** End address of the RCL (first byte after the RCL) */
185 	__u32 rcl_end;
186 
187 	/** An optional sync object to wait on before starting the BCL. */
188 	__u32 in_sync_bcl;
189 	/** An optional sync object to wait on before starting the RCL. */
190 	__u32 in_sync_rcl;
191 	/** An optional sync object to place the completion fence in. */
192 	__u32 out_sync;
193 
194 	/* Offset of the tile alloc memory
195 	 *
196 	 * This is optional on V3D 3.3 (where the CL can set the value) but
197 	 * required on V3D 4.1.
198 	 */
199 	__u32 qma;
200 
201 	/** Size of the tile alloc memory. */
202 	__u32 qms;
203 
204 	/** Offset of the tile state data array. */
205 	__u32 qts;
206 
207 	/* Pointer to a u32 array of the BOs that are referenced by the job.
208 	 */
209 	__u64 bo_handles;
210 
211 	/* Number of BO handles passed in (size is that times 4). */
212 	__u32 bo_handle_count;
213 
214 	/* DRM_V3D_SUBMIT_* properties */
215 	__u32 flags;
216 
217 	/* ID of the perfmon to attach to this job. 0 means no perfmon. */
218 	__u32 perfmon_id;
219 
220 	__u32 pad;
221 
222 	/* Pointer to an array of ioctl extensions*/
223 	__u64 extensions;
224 };
225 
226 /**
227  * struct drm_v3d_wait_bo - ioctl argument for waiting for
228  * completion of the last DRM_V3D_SUBMIT_CL on a BO.
229  *
230  * This is useful for cases where multiple processes might be
231  * rendering to a BO and you want to wait for all rendering to be
232  * completed.
233  */
234 struct drm_v3d_wait_bo {
235 	__u32 handle;
236 	__u32 pad;
237 	__u64 timeout_ns;
238 };
239 
240 /**
241  * struct drm_v3d_create_bo - ioctl argument for creating V3D BOs.
242  *
243  * There are currently no values for the flags argument, but it may be
244  * used in a future extension.
245  */
246 struct drm_v3d_create_bo {
247 	__u32 size;
248 	__u32 flags;
249 	/** Returned GEM handle for the BO. */
250 	__u32 handle;
251 	/**
252 	 * Returned offset for the BO in the V3D address space.  This offset
253 	 * is private to the DRM fd and is valid for the lifetime of the GEM
254 	 * handle.
255 	 *
256 	 * This offset value will always be nonzero, since various HW
257 	 * units treat 0 specially.
258 	 */
259 	__u32 offset;
260 };
261 
262 /**
263  * struct drm_v3d_mmap_bo - ioctl argument for mapping V3D BOs.
264  *
265  * This doesn't actually perform an mmap.  Instead, it returns the
266  * offset you need to use in an mmap on the DRM device node.  This
267  * means that tools like valgrind end up knowing about the mapped
268  * memory.
269  *
270  * There are currently no values for the flags argument, but it may be
271  * used in a future extension.
272  */
273 struct drm_v3d_mmap_bo {
274 	/** Handle for the object being mapped. */
275 	__u32 handle;
276 	__u32 flags;
277 	/** offset into the drm node to use for subsequent mmap call. */
278 	__u64 offset;
279 };
280 
281 enum drm_v3d_param {
282 	DRM_V3D_PARAM_V3D_UIFCFG,
283 	DRM_V3D_PARAM_V3D_HUB_IDENT1,
284 	DRM_V3D_PARAM_V3D_HUB_IDENT2,
285 	DRM_V3D_PARAM_V3D_HUB_IDENT3,
286 	DRM_V3D_PARAM_V3D_CORE0_IDENT0,
287 	DRM_V3D_PARAM_V3D_CORE0_IDENT1,
288 	DRM_V3D_PARAM_V3D_CORE0_IDENT2,
289 	DRM_V3D_PARAM_SUPPORTS_TFU,
290 	DRM_V3D_PARAM_SUPPORTS_CSD,
291 	DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH,
292 	DRM_V3D_PARAM_SUPPORTS_PERFMON,
293 	DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT,
294 	DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE,
295 	DRM_V3D_PARAM_MAX_PERF_COUNTERS,
296 	DRM_V3D_PARAM_SUPPORTS_SUPER_PAGES,
297 };
298 
299 struct drm_v3d_get_param {
300 	__u32 param;
301 	__u32 pad;
302 	__u64 value;
303 };
304 
305 /**
306  * Returns the offset for the BO in the V3D address space for this DRM fd.
307  * This is the same value returned by drm_v3d_create_bo, if that was called
308  * from this DRM fd.
309  */
310 struct drm_v3d_get_bo_offset {
311 	__u32 handle;
312 	__u32 offset;
313 };
314 
315 struct drm_v3d_submit_tfu {
316 	__u32 icfg;
317 	__u32 iia;
318 	__u32 iis;
319 	__u32 ica;
320 	__u32 iua;
321 	__u32 ioa;
322 	__u32 ios;
323 	__u32 coef[4];
324 	/* First handle is the output BO, following are other inputs.
325 	 * 0 for unused.
326 	 */
327 	__u32 bo_handles[4];
328 	/* sync object to block on before running the TFU job.  Each TFU
329 	 * job will execute in the order submitted to its FD.  Synchronization
330 	 * against rendering jobs requires using sync objects.
331 	 */
332 	__u32 in_sync;
333 	/* Sync object to signal when the TFU job is done. */
334 	__u32 out_sync;
335 
336 	__u32 flags;
337 
338 	/* Pointer to an array of ioctl extensions*/
339 	__u64 extensions;
340 
341 	struct {
342 		__u32 ioc;
343 		__u32 pad;
344 	} v71;
345 };
346 
347 /* Submits a compute shader for dispatch.  This job will block on any
348  * previous compute shaders submitted on this fd, and any other
349  * synchronization must be performed with in_sync/out_sync.
350  */
351 struct drm_v3d_submit_csd {
352 	__u32 cfg[7];
353 	__u32 coef[4];
354 
355 	/* Pointer to a u32 array of the BOs that are referenced by the job.
356 	 */
357 	__u64 bo_handles;
358 
359 	/* Number of BO handles passed in (size is that times 4). */
360 	__u32 bo_handle_count;
361 
362 	/* sync object to block on before running the CSD job.  Each
363 	 * CSD job will execute in the order submitted to its FD.
364 	 * Synchronization against rendering/TFU jobs or CSD from
365 	 * other fds requires using sync objects.
366 	 */
367 	__u32 in_sync;
368 	/* Sync object to signal when the CSD job is done. */
369 	__u32 out_sync;
370 
371 	/* ID of the perfmon to attach to this job. 0 means no perfmon. */
372 	__u32 perfmon_id;
373 
374 	/* Pointer to an array of ioctl extensions*/
375 	__u64 extensions;
376 
377 	__u32 flags;
378 
379 	__u32 pad;
380 };
381 
382 /**
383  * struct drm_v3d_indirect_csd - ioctl extension for the CPU job to create an
384  * indirect CSD
385  *
386  * When an extension of DRM_V3D_EXT_ID_CPU_INDIRECT_CSD id is defined, it
387  * points to this extension to define a indirect CSD submission. It creates a
388  * CPU job linked to a CSD job. The CPU job waits for the indirect CSD
389  * dependencies and, once they are signaled, it updates the CSD job config
390  * before allowing the CSD job execution.
391  */
392 struct drm_v3d_indirect_csd {
393 	struct drm_v3d_extension base;
394 
395 	/* Indirect CSD */
396 	struct drm_v3d_submit_csd submit;
397 
398 	/* Handle of the indirect BO, that should be also attached to the
399 	 * indirect CSD.
400 	 */
401 	__u32 indirect;
402 
403 	/* Offset within the BO where the workgroup counts are stored */
404 	__u32 offset;
405 
406 	/* Workgroups size */
407 	__u32 wg_size;
408 
409 	/* Indices of the uniforms with the workgroup dispatch counts
410 	 * in the uniform stream. If the uniform rewrite is not needed,
411 	 * the offset must be 0xffffffff.
412 	 */
413 	__u32 wg_uniform_offsets[3];
414 };
415 
416 /**
417  * struct drm_v3d_timestamp_query - ioctl extension for the CPU job to calculate
418  * a timestamp query
419  *
420  * When an extension DRM_V3D_EXT_ID_TIMESTAMP_QUERY is defined, it points to
421  * this extension to define a timestamp query submission. This CPU job will
422  * calculate the timestamp query and update the query value within the
423  * timestamp BO. Moreover, it will signal the timestamp syncobj to indicate
424  * query availability.
425  */
426 struct drm_v3d_timestamp_query {
427 	struct drm_v3d_extension base;
428 
429 	/* Array of queries' offsets within the timestamp BO for their value */
430 	__u64 offsets;
431 
432 	/* Array of timestamp's syncobjs to indicate its availability */
433 	__u64 syncs;
434 
435 	/* Number of queries */
436 	__u32 count;
437 
438 	/* mbz */
439 	__u32 pad;
440 };
441 
442 /**
443  * struct drm_v3d_reset_timestamp_query - ioctl extension for the CPU job to
444  * reset timestamp queries
445  *
446  * When an extension DRM_V3D_EXT_ID_CPU_RESET_TIMESTAMP_QUERY is defined, it
447  * points to this extension to define a reset timestamp submission. This CPU
448  * job will reset the timestamp queries based on value offset of the first
449  * query. Moreover, it will reset the timestamp syncobj to reset query
450  * availability.
451  */
452 struct drm_v3d_reset_timestamp_query {
453 	struct drm_v3d_extension base;
454 
455 	/* Array of timestamp's syncobjs to indicate its availability */
456 	__u64 syncs;
457 
458 	/* Offset of the first query within the timestamp BO for its value */
459 	__u32 offset;
460 
461 	/* Number of queries */
462 	__u32 count;
463 };
464 
465 /**
466  * struct drm_v3d_copy_timestamp_query - ioctl extension for the CPU job to copy
467  * query results to a buffer
468  *
469  * When an extension DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY is defined, it
470  * points to this extension to define a copy timestamp query submission. This
471  * CPU job will copy the timestamp queries results to a BO with the offset
472  * and stride defined in the extension.
473  */
474 struct drm_v3d_copy_timestamp_query {
475 	struct drm_v3d_extension base;
476 
477 	/* Define if should write to buffer using 64 or 32 bits */
478 	__u8 do_64bit;
479 
480 	/* Define if it can write to buffer even if the query is not available */
481 	__u8 do_partial;
482 
483 	/* Define if it should write availability bit to buffer */
484 	__u8 availability_bit;
485 
486 	/* mbz */
487 	__u8 pad;
488 
489 	/* Offset of the buffer in the BO */
490 	__u32 offset;
491 
492 	/* Stride of the buffer in the BO */
493 	__u32 stride;
494 
495 	/* Number of queries */
496 	__u32 count;
497 
498 	/* Array of queries' offsets within the timestamp BO for their value */
499 	__u64 offsets;
500 
501 	/* Array of timestamp's syncobjs to indicate its availability */
502 	__u64 syncs;
503 };
504 
505 /**
506  * struct drm_v3d_reset_performance_query - ioctl extension for the CPU job to
507  * reset performance queries
508  *
509  * When an extension DRM_V3D_EXT_ID_CPU_RESET_PERFORMANCE_QUERY is defined, it
510  * points to this extension to define a reset performance submission. This CPU
511  * job will reset the performance queries by resetting the values of the
512  * performance monitors. Moreover, it will reset the syncobj to reset query
513  * availability.
514  */
515 struct drm_v3d_reset_performance_query {
516 	struct drm_v3d_extension base;
517 
518 	/* Array of performance queries's syncobjs to indicate its availability */
519 	__u64 syncs;
520 
521 	/* Number of queries */
522 	__u32 count;
523 
524 	/* Number of performance monitors */
525 	__u32 nperfmons;
526 
527 	/* Array of u64 user-pointers that point to an array of kperfmon_ids */
528 	__u64 kperfmon_ids;
529 };
530 
531 /**
532  * struct drm_v3d_copy_performance_query - ioctl extension for the CPU job to copy
533  * performance query results to a buffer
534  *
535  * When an extension DRM_V3D_EXT_ID_CPU_COPY_PERFORMANCE_QUERY is defined, it
536  * points to this extension to define a copy performance query submission. This
537  * CPU job will copy the performance queries results to a BO with the offset
538  * and stride defined in the extension.
539  */
540 struct drm_v3d_copy_performance_query {
541 	struct drm_v3d_extension base;
542 
543 	/* Define if should write to buffer using 64 or 32 bits */
544 	__u8 do_64bit;
545 
546 	/* Define if it can write to buffer even if the query is not available */
547 	__u8 do_partial;
548 
549 	/* Define if it should write availability bit to buffer */
550 	__u8 availability_bit;
551 
552 	/* mbz */
553 	__u8 pad;
554 
555 	/* Offset of the buffer in the BO */
556 	__u32 offset;
557 
558 	/* Stride of the buffer in the BO */
559 	__u32 stride;
560 
561 	/* Number of performance monitors */
562 	__u32 nperfmons;
563 
564 	/* Number of performance counters related to this query pool */
565 	__u32 ncounters;
566 
567 	/* Number of queries */
568 	__u32 count;
569 
570 	/* Array of performance queries's syncobjs to indicate its availability */
571 	__u64 syncs;
572 
573 	/* Array of u64 user-pointers that point to an array of kperfmon_ids */
574 	__u64 kperfmon_ids;
575 };
576 
577 struct drm_v3d_submit_cpu {
578 	/* Pointer to a u32 array of the BOs that are referenced by the job.
579 	 *
580 	 * For DRM_V3D_EXT_ID_CPU_INDIRECT_CSD, it must contain only one BO,
581 	 * that contains the workgroup counts.
582 	 *
583 	 * For DRM_V3D_EXT_ID_TIMESTAMP_QUERY, it must contain only one BO,
584 	 * that will contain the timestamp.
585 	 *
586 	 * For DRM_V3D_EXT_ID_CPU_RESET_TIMESTAMP_QUERY, it must contain only
587 	 * one BO, that contains the timestamp.
588 	 *
589 	 * For DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY, it must contain two
590 	 * BOs. The first is the BO where the timestamp queries will be written
591 	 * to. The second is the BO that contains the timestamp.
592 	 *
593 	 * For DRM_V3D_EXT_ID_CPU_RESET_PERFORMANCE_QUERY, it must contain no
594 	 * BOs.
595 	 *
596 	 * For DRM_V3D_EXT_ID_CPU_COPY_PERFORMANCE_QUERY, it must contain one
597 	 * BO, where the performance queries will be written.
598 	 */
599 	__u64 bo_handles;
600 
601 	/* Number of BO handles passed in (size is that times 4). */
602 	__u32 bo_handle_count;
603 
604 	__u32 flags;
605 
606 	/* Pointer to an array of ioctl extensions*/
607 	__u64 extensions;
608 };
609 
610 /* The performance counters index represented by this enum are deprecated and
611  * must no longer be used. These counters are only valid for V3D 4.2.
612  *
613  * In order to check for performance counter information,
614  * use DRM_IOCTL_V3D_PERFMON_GET_COUNTER.
615  *
616  * Don't use V3D_PERFCNT_NUM to retrieve the maximum number of performance
617  * counters. You should use DRM_IOCTL_V3D_GET_PARAM with the following
618  * parameter: DRM_V3D_PARAM_MAX_PERF_COUNTERS.
619  */
620 enum {
621 	V3D_PERFCNT_FEP_VALID_PRIMTS_NO_PIXELS,
622 	V3D_PERFCNT_FEP_VALID_PRIMS,
623 	V3D_PERFCNT_FEP_EZ_NFCLIP_QUADS,
624 	V3D_PERFCNT_FEP_VALID_QUADS,
625 	V3D_PERFCNT_TLB_QUADS_STENCIL_FAIL,
626 	V3D_PERFCNT_TLB_QUADS_STENCILZ_FAIL,
627 	V3D_PERFCNT_TLB_QUADS_STENCILZ_PASS,
628 	V3D_PERFCNT_TLB_QUADS_ZERO_COV,
629 	V3D_PERFCNT_TLB_QUADS_NONZERO_COV,
630 	V3D_PERFCNT_TLB_QUADS_WRITTEN,
631 	V3D_PERFCNT_PTB_PRIM_VIEWPOINT_DISCARD,
632 	V3D_PERFCNT_PTB_PRIM_CLIP,
633 	V3D_PERFCNT_PTB_PRIM_REV,
634 	V3D_PERFCNT_QPU_IDLE_CYCLES,
635 	V3D_PERFCNT_QPU_ACTIVE_CYCLES_VERTEX_COORD_USER,
636 	V3D_PERFCNT_QPU_ACTIVE_CYCLES_FRAG,
637 	V3D_PERFCNT_QPU_CYCLES_VALID_INSTR,
638 	V3D_PERFCNT_QPU_CYCLES_TMU_STALL,
639 	V3D_PERFCNT_QPU_CYCLES_SCOREBOARD_STALL,
640 	V3D_PERFCNT_QPU_CYCLES_VARYINGS_STALL,
641 	V3D_PERFCNT_QPU_IC_HIT,
642 	V3D_PERFCNT_QPU_IC_MISS,
643 	V3D_PERFCNT_QPU_UC_HIT,
644 	V3D_PERFCNT_QPU_UC_MISS,
645 	V3D_PERFCNT_TMU_TCACHE_ACCESS,
646 	V3D_PERFCNT_TMU_TCACHE_MISS,
647 	V3D_PERFCNT_VPM_VDW_STALL,
648 	V3D_PERFCNT_VPM_VCD_STALL,
649 	V3D_PERFCNT_BIN_ACTIVE,
650 	V3D_PERFCNT_RDR_ACTIVE,
651 	V3D_PERFCNT_L2T_HITS,
652 	V3D_PERFCNT_L2T_MISSES,
653 	V3D_PERFCNT_CYCLE_COUNT,
654 	V3D_PERFCNT_QPU_CYCLES_STALLED_VERTEX_COORD_USER,
655 	V3D_PERFCNT_QPU_CYCLES_STALLED_FRAGMENT,
656 	V3D_PERFCNT_PTB_PRIMS_BINNED,
657 	V3D_PERFCNT_AXI_WRITES_WATCH_0,
658 	V3D_PERFCNT_AXI_READS_WATCH_0,
659 	V3D_PERFCNT_AXI_WRITE_STALLS_WATCH_0,
660 	V3D_PERFCNT_AXI_READ_STALLS_WATCH_0,
661 	V3D_PERFCNT_AXI_WRITE_BYTES_WATCH_0,
662 	V3D_PERFCNT_AXI_READ_BYTES_WATCH_0,
663 	V3D_PERFCNT_AXI_WRITES_WATCH_1,
664 	V3D_PERFCNT_AXI_READS_WATCH_1,
665 	V3D_PERFCNT_AXI_WRITE_STALLS_WATCH_1,
666 	V3D_PERFCNT_AXI_READ_STALLS_WATCH_1,
667 	V3D_PERFCNT_AXI_WRITE_BYTES_WATCH_1,
668 	V3D_PERFCNT_AXI_READ_BYTES_WATCH_1,
669 	V3D_PERFCNT_TLB_PARTIAL_QUADS,
670 	V3D_PERFCNT_TMU_CONFIG_ACCESSES,
671 	V3D_PERFCNT_L2T_NO_ID_STALL,
672 	V3D_PERFCNT_L2T_COM_QUE_STALL,
673 	V3D_PERFCNT_L2T_TMU_WRITES,
674 	V3D_PERFCNT_TMU_ACTIVE_CYCLES,
675 	V3D_PERFCNT_TMU_STALLED_CYCLES,
676 	V3D_PERFCNT_CLE_ACTIVE,
677 	V3D_PERFCNT_L2T_TMU_READS,
678 	V3D_PERFCNT_L2T_CLE_READS,
679 	V3D_PERFCNT_L2T_VCD_READS,
680 	V3D_PERFCNT_L2T_TMUCFG_READS,
681 	V3D_PERFCNT_L2T_SLC0_READS,
682 	V3D_PERFCNT_L2T_SLC1_READS,
683 	V3D_PERFCNT_L2T_SLC2_READS,
684 	V3D_PERFCNT_L2T_TMU_W_MISSES,
685 	V3D_PERFCNT_L2T_TMU_R_MISSES,
686 	V3D_PERFCNT_L2T_CLE_MISSES,
687 	V3D_PERFCNT_L2T_VCD_MISSES,
688 	V3D_PERFCNT_L2T_TMUCFG_MISSES,
689 	V3D_PERFCNT_L2T_SLC0_MISSES,
690 	V3D_PERFCNT_L2T_SLC1_MISSES,
691 	V3D_PERFCNT_L2T_SLC2_MISSES,
692 	V3D_PERFCNT_CORE_MEM_WRITES,
693 	V3D_PERFCNT_L2T_MEM_WRITES,
694 	V3D_PERFCNT_PTB_MEM_WRITES,
695 	V3D_PERFCNT_TLB_MEM_WRITES,
696 	V3D_PERFCNT_CORE_MEM_READS,
697 	V3D_PERFCNT_L2T_MEM_READS,
698 	V3D_PERFCNT_PTB_MEM_READS,
699 	V3D_PERFCNT_PSE_MEM_READS,
700 	V3D_PERFCNT_TLB_MEM_READS,
701 	V3D_PERFCNT_GMP_MEM_READS,
702 	V3D_PERFCNT_PTB_W_MEM_WORDS,
703 	V3D_PERFCNT_TLB_W_MEM_WORDS,
704 	V3D_PERFCNT_PSE_R_MEM_WORDS,
705 	V3D_PERFCNT_TLB_R_MEM_WORDS,
706 	V3D_PERFCNT_TMU_MRU_HITS,
707 	V3D_PERFCNT_COMPUTE_ACTIVE,
708 	V3D_PERFCNT_NUM,
709 };
710 
711 #define DRM_V3D_MAX_PERF_COUNTERS                 32
712 
713 struct drm_v3d_perfmon_create {
714 	__u32 id;
715 	__u32 ncounters;
716 	__u8 counters[DRM_V3D_MAX_PERF_COUNTERS];
717 };
718 
719 struct drm_v3d_perfmon_destroy {
720 	__u32 id;
721 };
722 
723 /*
724  * Returns the values of the performance counters tracked by this
725  * perfmon (as an array of ncounters u64 values).
726  *
727  * No implicit synchronization is performed, so the user has to
728  * guarantee that any jobs using this perfmon have already been
729  * completed  (probably by blocking on the seqno returned by the
730  * last exec that used the perfmon).
731  */
732 struct drm_v3d_perfmon_get_values {
733 	__u32 id;
734 	__u32 pad;
735 	__u64 values_ptr;
736 };
737 
738 #define DRM_V3D_PERFCNT_MAX_NAME 64
739 #define DRM_V3D_PERFCNT_MAX_CATEGORY 32
740 #define DRM_V3D_PERFCNT_MAX_DESCRIPTION 256
741 
742 /**
743  * struct drm_v3d_perfmon_get_counter - ioctl to get the description of a
744  * performance counter
745  *
746  * As userspace needs to retrieve information about the performance counters
747  * available, this IOCTL allows users to get information about a performance
748  * counter (name, category and description).
749  */
750 struct drm_v3d_perfmon_get_counter {
751 	/*
752 	 * Counter ID
753 	 *
754 	 * Must be smaller than the maximum number of performance counters, which
755 	 * can be retrieve through DRM_V3D_PARAM_MAX_PERF_COUNTERS.
756 	 */
757 	__u8 counter;
758 
759 	/* Name of the counter */
760 	__u8 name[DRM_V3D_PERFCNT_MAX_NAME];
761 
762 	/* Category of the counter */
763 	__u8 category[DRM_V3D_PERFCNT_MAX_CATEGORY];
764 
765 	/* Description of the counter */
766 	__u8 description[DRM_V3D_PERFCNT_MAX_DESCRIPTION];
767 
768 	/* mbz */
769 	__u8 reserved[7];
770 };
771 
772 #define DRM_V3D_PERFMON_CLEAR_GLOBAL    0x0001
773 
774 /**
775  * struct drm_v3d_perfmon_set_global - ioctl to define a global performance
776  * monitor
777  *
778  * The global performance monitor will be used for all jobs. If a global
779  * performance monitor is defined, jobs with a self-defined performance
780  * monitor won't be allowed.
781  */
782 struct drm_v3d_perfmon_set_global {
783 	__u32 flags;
784 	__u32 id;
785 };
786 
787 #if defined(__cplusplus)
788 }
789 #endif
790 
791 #endif /* _V3D_DRM_H_ */
792