Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
/*
 * Copyright 2019 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef __MES_API_DEF_H__
#define __MES_API_DEF_H__

#pragma pack(push, 4)

#define MES_API_VERSION 1

/* Driver submits one API(cmd) as a single Frame and this command size is same
 * for all API to ease the debugging and parsing of ring buffer.
 */
enum { API_FRAME_SIZE_IN_DWORDS = 64 };

/* To avoid command in scheduler context to be overwritten whenever multiple
 * interrupts come in, this creates another queue.
 */
enum { API_NUMBER_OF_COMMAND_MAX = 32 };

enum MES_API_TYPE {
	MES_API_TYPE_SCHEDULER = 1,
	MES_API_TYPE_MAX
};

enum MES_SCH_API_OPCODE {
	MES_SCH_API_SET_HW_RSRC			= 0,
	MES_SCH_API_SET_SCHEDULING_CONFIG	= 1, /* agreegated db, quantums, etc */
	MES_SCH_API_ADD_QUEUE			= 2,
	MES_SCH_API_REMOVE_QUEUE		= 3,
	MES_SCH_API_PERFORM_YIELD		= 4,
	MES_SCH_API_SET_GANG_PRIORITY_LEVEL	= 5,
	MES_SCH_API_SUSPEND			= 6,
	MES_SCH_API_RESUME			= 7,
	MES_SCH_API_RESET			= 8,
	MES_SCH_API_SET_LOG_BUFFER		= 9,
	MES_SCH_API_CHANGE_GANG_PRORITY		= 10,
	MES_SCH_API_QUERY_SCHEDULER_STATUS	= 11,
	MES_SCH_API_PROGRAM_GDS			= 12,
	MES_SCH_API_SET_DEBUG_VMID		= 13,
	MES_SCH_API_MISC			= 14,
	MES_SCH_API_UPDATE_ROOT_PAGE_TABLE      = 15,
	MES_SCH_API_AMD_LOG                     = 16,
	MES_SCH_API_MAX				= 0xFF
};

union MES_API_HEADER {
	struct {
		uint32_t type		: 4; /* 0 - Invalid; 1 - Scheduling; 2 - TBD */
		uint32_t opcode		: 8;
		uint32_t dwsize		: 8; /* including header */
		uint32_t reserved	: 12;
	};

	uint32_t	u32All;
};

enum MES_AMD_PRIORITY_LEVEL {
	AMD_PRIORITY_LEVEL_LOW		= 0,
	AMD_PRIORITY_LEVEL_NORMAL	= 1,
	AMD_PRIORITY_LEVEL_MEDIUM	= 2,
	AMD_PRIORITY_LEVEL_HIGH		= 3,
	AMD_PRIORITY_LEVEL_REALTIME	= 4,
	AMD_PRIORITY_NUM_LEVELS
};

enum MES_QUEUE_TYPE {
	MES_QUEUE_TYPE_GFX,
	MES_QUEUE_TYPE_COMPUTE,
	MES_QUEUE_TYPE_SDMA,
	MES_QUEUE_TYPE_MAX,
};

struct MES_API_STATUS {
	uint64_t	api_completion_fence_addr;
	uint64_t	api_completion_fence_value;
};

enum { MAX_COMPUTE_PIPES = 8 };
enum { MAX_GFX_PIPES = 2 };
enum { MAX_SDMA_PIPES = 2 };

enum { MAX_COMPUTE_HQD_PER_PIPE = 8 };
enum { MAX_GFX_HQD_PER_PIPE = 8 };
enum { MAX_SDMA_HQD_PER_PIPE = 10 };

enum { MAX_QUEUES_IN_A_GANG = 8 };

enum VM_HUB_TYPE {
	VM_HUB_TYPE_GC = 0,
	VM_HUB_TYPE_MM = 1,
	VM_HUB_TYPE_MAX,
};

enum { VMID_INVALID = 0xffff };

enum { MAX_VMID_GCHUB = 16 };
enum { MAX_VMID_MMHUB = 16 };

enum MES_LOG_OPERATION {
	MES_LOG_OPERATION_CONTEXT_STATE_CHANGE = 0,
	MES_LOG_OPERATION_QUEUE_NEW_WORK = 1,
	MES_LOG_OPERATION_QUEUE_UNWAIT_SYNC_OBJECT = 2,
	MES_LOG_OPERATION_QUEUE_NO_MORE_WORK = 3,
	MES_LOG_OPERATION_QUEUE_WAIT_SYNC_OBJECT = 4,
	MES_LOG_OPERATION_QUEUE_INVALID = 0xF,
};

enum MES_LOG_CONTEXT_STATE {
	MES_LOG_CONTEXT_STATE_IDLE		= 0,
	MES_LOG_CONTEXT_STATE_RUNNING		= 1,
	MES_LOG_CONTEXT_STATE_READY		= 2,
	MES_LOG_CONTEXT_STATE_READY_STANDBY	= 3,
	MES_LOG_CONTEXT_STATE_INVALID           = 0xF,
};

struct MES_LOG_CONTEXT_STATE_CHANGE {
	void				*h_context;
	enum MES_LOG_CONTEXT_STATE	new_context_state;
};

struct MES_LOG_QUEUE_NEW_WORK {
	uint64_t                   h_queue;
	uint64_t                   reserved;
};

struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT {
	uint64_t                   h_queue;
	uint64_t                   h_sync_object;
};

struct MES_LOG_QUEUE_NO_MORE_WORK {
	uint64_t                   h_queue;
	uint64_t                   reserved;
};

struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT {
	uint64_t                   h_queue;
	uint64_t                   h_sync_object;
};

struct MES_LOG_ENTRY_HEADER {
	uint32_t	first_free_entry_index;
	uint32_t	wraparound_count;
	uint64_t	number_of_entries;
	uint64_t	reserved[2];
};

struct MES_LOG_ENTRY_DATA {
	uint64_t	gpu_time_stamp;
	uint32_t	operation_type; /* operation_type is of MES_LOG_OPERATION type */
	uint32_t	reserved_operation_type_bits;
	union {
		struct MES_LOG_CONTEXT_STATE_CHANGE     context_state_change;
		struct MES_LOG_QUEUE_NEW_WORK           queue_new_work;
		struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT queue_unwait_sync_object;
		struct MES_LOG_QUEUE_NO_MORE_WORK       queue_no_more_work;
		struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT   queue_wait_sync_object;
		uint64_t                                all[2];
	};
};

struct MES_LOG_BUFFER {
	struct MES_LOG_ENTRY_HEADER	header;
	struct MES_LOG_ENTRY_DATA	entries[1];
};

enum MES_SWIP_TO_HWIP_DEF {
	MES_MAX_HWIP_SEGMENT = 6,
};

union MESAPI_SET_HW_RESOURCES {
	struct {
		union MES_API_HEADER	header;
		uint32_t		vmid_mask_mmhub;
		uint32_t		vmid_mask_gfxhub;
		uint32_t		gds_size;
		uint32_t		paging_vmid;
		uint32_t		compute_hqd_mask[MAX_COMPUTE_PIPES];
		uint32_t		gfx_hqd_mask[MAX_GFX_PIPES];
		uint32_t		sdma_hqd_mask[MAX_SDMA_PIPES];
		uint32_t		aggregated_doorbells[AMD_PRIORITY_NUM_LEVELS];
		uint64_t		g_sch_ctx_gpu_mc_ptr;
		uint64_t		query_status_fence_gpu_mc_ptr;
		uint32_t		gc_base[MES_MAX_HWIP_SEGMENT];
		uint32_t		mmhub_base[MES_MAX_HWIP_SEGMENT];
		uint32_t		osssys_base[MES_MAX_HWIP_SEGMENT];
		struct MES_API_STATUS	api_status;
		union {
			struct {
				uint32_t disable_reset	: 1;
				uint32_t use_different_vmid_compute : 1;
				uint32_t disable_mes_log   : 1;
				uint32_t apply_mmhub_pgvm_invalidate_ack_loss_wa : 1;
				uint32_t apply_grbm_remote_register_dummy_read_wa : 1;
				uint32_t second_gfx_pipe_enabled : 1;
				uint32_t enable_level_process_quantum_check : 1;
				uint32_t apply_cwsr_program_all_vmid_sq_shader_tba_registers_wa : 1;
				uint32_t enable_mqd_active_poll : 1;
				uint32_t disable_timer_int : 1;
				uint32_t reserved	: 22;
			};
			uint32_t	uint32_t_all;
		};
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__ADD_QUEUE {
	struct {
		union MES_API_HEADER		header;
		uint32_t			process_id;
		uint64_t			page_table_base_addr;
		uint64_t			process_va_start;
		uint64_t			process_va_end;
		uint64_t			process_quantum;
		uint64_t			process_context_addr;
		uint64_t			gang_quantum;
		uint64_t			gang_context_addr;
		uint32_t			inprocess_gang_priority;
		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
		uint32_t			doorbell_offset;
		uint64_t			mqd_addr;
		uint64_t			wptr_addr;
		uint64_t                        h_context;
		uint64_t                        h_queue;
		enum MES_QUEUE_TYPE		queue_type;
		uint32_t			gds_base;
		uint32_t			gds_size;
		uint32_t			gws_base;
		uint32_t			gws_size;
		uint32_t			oa_mask;
		uint64_t                        trap_handler_addr;
		uint32_t                        vm_context_cntl;

		struct {
			uint32_t paging			: 1;
			uint32_t debug_vmid		: 4;
			uint32_t program_gds		: 1;
			uint32_t is_gang_suspended	: 1;
			uint32_t is_tmz_queue		: 1;
			uint32_t map_kiq_utility_queue  : 1;
			uint32_t reserved		: 23;
		};
		struct MES_API_STATUS		api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__REMOVE_QUEUE {
	struct {
		union MES_API_HEADER	header;
		uint32_t		doorbell_offset;
		uint64_t		gang_context_addr;

		struct {
			uint32_t unmap_legacy_gfx_queue   : 1;
			uint32_t unmap_kiq_utility_queue  : 1;
			uint32_t preempt_legacy_gfx_queue : 1;
			uint32_t reserved                 : 29;
		};
		struct MES_API_STATUS	    api_status;

		uint32_t                    pipe_id;
		uint32_t                    queue_id;

		uint64_t                    tf_addr;
		uint32_t                    tf_data;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SET_SCHEDULING_CONFIG {
	struct {
		union MES_API_HEADER	header;
		/* Grace period when preempting another priority band for this
		 * priority band. The value for idle priority band is ignored,
		 * as it never preempts other bands.
		 */
		uint64_t		grace_period_other_levels[AMD_PRIORITY_NUM_LEVELS];
		/* Default quantum for scheduling across processes within
		 * a priority band.
		 */
		uint64_t		process_quantum_for_level[AMD_PRIORITY_NUM_LEVELS];
		/* Default grace period for processes that preempt each other
		 * within a priority band.
		 */
		uint64_t		process_grace_period_same_level[AMD_PRIORITY_NUM_LEVELS];
		/* For normal level this field specifies the target GPU
		 * percentage in situations when it's starved by the high level.
		 * Valid values are between 0 and 50, with the default being 10.
		 */
		uint32_t		normal_yield_percent;
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__PERFORM_YIELD {
	struct {
		union MES_API_HEADER	header;
		uint32_t		dummy;
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__CHANGE_GANG_PRIORITY_LEVEL {
	struct {
		union MES_API_HEADER		header;
		uint32_t			inprocess_gang_priority;
		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
		uint64_t			gang_quantum;
		uint64_t			gang_context_addr;
		struct MES_API_STATUS		api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SUSPEND {
	struct {
		union MES_API_HEADER	header;
		/* false - suspend all gangs; true - specific gang */
		struct {
			uint32_t suspend_all_gangs	: 1;
			uint32_t reserved		: 31;
		};
		/* gang_context_addr is valid only if suspend_all = false */
		uint64_t		gang_context_addr;

		uint64_t		suspend_fence_addr;
		uint32_t		suspend_fence_value;

		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__RESUME {
	struct {
		union MES_API_HEADER	header;
		/* false - resume all gangs; true - specified gang */
		struct {
			uint32_t resume_all_gangs	: 1;
			uint32_t reserved		: 31;
		};
		/* valid only if resume_all_gangs = false */
		uint64_t		gang_context_addr;

		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__RESET {
	struct {
		union MES_API_HEADER		header;

		struct {
			/* Only reset the queue given by doorbell_offset (not entire gang) */
			uint32_t                reset_queue_only : 1;
			/* Hang detection first then reset any queues that are hung */
			uint32_t                hang_detect_then_reset : 1;
			/* Only do hang detection (no reset) */
			uint32_t                hang_detect_only : 1;
			/* Rest HP and LP kernel queues not managed by MES */
			uint32_t                reset_legacy_gfx : 1;
			uint32_t                reserved : 28;
		};

		uint64_t			gang_context_addr;

		/* valid only if reset_queue_only = true */
		uint32_t			doorbell_offset;

		/* valid only if hang_detect_then_reset = true */
		uint64_t			doorbell_offset_addr;
		enum MES_QUEUE_TYPE		queue_type;

		/* valid only if reset_legacy_gfx = true */
		uint32_t			pipe_id_lp;
		uint32_t			queue_id_lp;
		uint32_t			vmid_id_lp;
		uint64_t			mqd_mc_addr_lp;
		uint32_t			doorbell_offset_lp;
		uint64_t			wptr_addr_lp;

		uint32_t			pipe_id_hp;
		uint32_t			queue_id_hp;
		uint32_t			vmid_id_hp;
		uint64_t			mqd_mc_addr_hp;
		uint32_t			doorbell_offset_hp;
		uint64_t			wptr_addr_hp;

		struct MES_API_STATUS		api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SET_LOGGING_BUFFER {
	struct {
		union MES_API_HEADER	header;
		/* There are separate log buffers for each queue type */
		enum MES_QUEUE_TYPE	log_type;
		/* Log buffer GPU Address */
		uint64_t		logging_buffer_addr;
		/* number of entries in the log buffer */
		uint32_t		number_of_entries;
		/* Entry index at which CPU interrupt needs to be signalled */
		uint32_t		interrupt_entry;

		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__QUERY_MES_STATUS {
	struct {
		union MES_API_HEADER	header;
		bool			mes_healthy; /* 0 - not healthy, 1 - healthy */
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__PROGRAM_GDS {
	struct {
		union MES_API_HEADER	header;
		uint64_t		process_context_addr;
		uint32_t		gds_base;
		uint32_t		gds_size;
		uint32_t		gws_base;
		uint32_t		gws_size;
		uint32_t		oa_mask;
		struct MES_API_STATUS	api_status;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__SET_DEBUG_VMID {
	struct {
		union MES_API_HEADER	header;
		struct MES_API_STATUS	api_status;
		union {
			struct {
				uint32_t use_gds	: 1;
				uint32_t reserved	: 31;
			} flags;
			uint32_t	u32All;
		};
		uint32_t		reserved;
		uint32_t		debug_vmid;
		uint64_t		process_context_addr;
		uint64_t		page_table_base_addr;
		uint64_t		process_va_start;
		uint64_t		process_va_end;
		uint32_t		gds_base;
		uint32_t		gds_size;
		uint32_t		gws_base;
		uint32_t		gws_size;
		uint32_t		oa_mask;
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

enum MESAPI_MISC_OPCODE {
	MESAPI_MISC__MODIFY_REG,
	MESAPI_MISC__INV_GART,
	MESAPI_MISC__QUERY_STATUS,
	MESAPI_MISC__MAX,
};

enum MODIFY_REG_SUBCODE {
	MODIFY_REG__OVERWRITE,
	MODIFY_REG__RMW_OR,
	MODIFY_REG__RMW_AND,
	MODIFY_REG__MAX,
};

enum { MISC_DATA_MAX_SIZE_IN_DWORDS = 20 };

struct MODIFY_REG {
	enum MODIFY_REG_SUBCODE   subcode;
	uint32_t                  reg_offset;
	uint32_t                  reg_value;
};

struct INV_GART {
	uint64_t                  inv_range_va_start;
	uint64_t                  inv_range_size;
};

struct QUERY_STATUS {
	uint32_t context_id;
};

union MESAPI__MISC {
	struct {
		union MES_API_HEADER	header;
		enum MESAPI_MISC_OPCODE	opcode;
		struct MES_API_STATUS	api_status;

		union {
			struct		MODIFY_REG modify_reg;
			struct		INV_GART inv_gart;
			struct		QUERY_STATUS query_status;
			uint32_t	data[MISC_DATA_MAX_SIZE_IN_DWORDS];
		};
	};

	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI__UPDATE_ROOT_PAGE_TABLE {
	struct {
		union MES_API_HEADER        header;
		uint64_t                    page_table_base_addr;
		uint64_t                    process_context_addr;
		struct MES_API_STATUS       api_status;
	};

	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

union MESAPI_AMD_LOG {
	struct {
		union MES_API_HEADER        header;
		uint64_t                    p_buffer_memory;
		uint64_t                    p_buffer_size_used;
		struct MES_API_STATUS       api_status;
	};

	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
};

#pragma pack(pop)
#endif