1 /*
2  * Copyright 2022 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  * 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 shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #ifndef __MES_API_DEF_H__
25 #define __MES_API_DEF_H__
26 
27 #pragma pack(push, 4)
28 
29 #define MES_API_VERSION 1
30 
31 /* Driver submits one API(cmd) as a single Frame and this command size is same
32  * for all API to ease the debugging and parsing of ring buffer.
33  */
34 enum { API_FRAME_SIZE_IN_DWORDS = 64 };
35 
36 /* To avoid command in scheduler context to be overwritten whenenver mutilple
37  * interrupts come in, this creates another queue.
38  */
39 enum { API_NUMBER_OF_COMMAND_MAX = 32 };
40 
41 enum MES_API_TYPE {
42 	MES_API_TYPE_SCHEDULER = 1,
43 	MES_API_TYPE_MAX
44 };
45 
46 enum MES_SCH_API_OPCODE {
47 	MES_SCH_API_SET_HW_RSRC			= 0,
48 	MES_SCH_API_SET_SCHEDULING_CONFIG	= 1, /* agreegated db, quantums, etc */
49 	MES_SCH_API_ADD_QUEUE			= 2,
50 	MES_SCH_API_REMOVE_QUEUE		= 3,
51 	MES_SCH_API_PERFORM_YIELD		= 4,
52 	MES_SCH_API_SET_GANG_PRIORITY_LEVEL	= 5,
53 	MES_SCH_API_SUSPEND			= 6,
54 	MES_SCH_API_RESUME			= 7,
55 	MES_SCH_API_RESET			= 8,
56 	MES_SCH_API_SET_LOG_BUFFER		= 9,
57 	MES_SCH_API_CHANGE_GANG_PRORITY		= 10,
58 	MES_SCH_API_QUERY_SCHEDULER_STATUS	= 11,
59 	MES_SCH_API_PROGRAM_GDS			= 12,
60 	MES_SCH_API_SET_DEBUG_VMID		= 13,
61 	MES_SCH_API_MISC			= 14,
62 	MES_SCH_API_UPDATE_ROOT_PAGE_TABLE      = 15,
63 	MES_SCH_API_AMD_LOG                     = 16,
64 	MES_SCH_API_MAX				= 0xFF
65 };
66 
67 union MES_API_HEADER {
68 	struct {
69 		uint32_t type		: 4; /* 0 - Invalid; 1 - Scheduling; 2 - TBD */
70 		uint32_t opcode		: 8;
71 		uint32_t dwsize		: 8; /* including header */
72 		uint32_t reserved	: 12;
73 	};
74 
75 	uint32_t	u32All;
76 };
77 
78 enum MES_AMD_PRIORITY_LEVEL {
79 	AMD_PRIORITY_LEVEL_LOW		= 0,
80 	AMD_PRIORITY_LEVEL_NORMAL	= 1,
81 	AMD_PRIORITY_LEVEL_MEDIUM	= 2,
82 	AMD_PRIORITY_LEVEL_HIGH		= 3,
83 	AMD_PRIORITY_LEVEL_REALTIME	= 4,
84 	AMD_PRIORITY_NUM_LEVELS
85 };
86 
87 enum MES_QUEUE_TYPE {
88 	MES_QUEUE_TYPE_GFX,
89 	MES_QUEUE_TYPE_COMPUTE,
90 	MES_QUEUE_TYPE_SDMA,
91 	MES_QUEUE_TYPE_MAX,
92 };
93 
94 struct MES_API_STATUS {
95 	uint64_t	api_completion_fence_addr;
96 	uint64_t	api_completion_fence_value;
97 };
98 
99 enum { MAX_COMPUTE_PIPES = 8 };
100 enum { MAX_GFX_PIPES = 2 };
101 enum { MAX_SDMA_PIPES = 2 };
102 
103 enum { MAX_COMPUTE_HQD_PER_PIPE = 8 };
104 enum { MAX_GFX_HQD_PER_PIPE = 8 };
105 enum { MAX_SDMA_HQD_PER_PIPE = 10 };
106 enum { MAX_SDMA_HQD_PER_PIPE_11_0   = 8 };
107 
108 enum { MAX_QUEUES_IN_A_GANG = 8 };
109 
110 enum VM_HUB_TYPE {
111 	VM_HUB_TYPE_GC = 0,
112 	VM_HUB_TYPE_MM = 1,
113 	VM_HUB_TYPE_MAX,
114 };
115 
116 enum { VMID_INVALID = 0xffff };
117 
118 enum { MAX_VMID_GCHUB = 16 };
119 enum { MAX_VMID_MMHUB = 16 };
120 
121 enum SET_DEBUG_VMID_OPERATIONS {
122 	DEBUG_VMID_OP_PROGRAM = 0,
123 	DEBUG_VMID_OP_ALLOCATE = 1,
124 	DEBUG_VMID_OP_RELEASE = 2
125 };
126 
127 enum MES_LOG_OPERATION {
128 	MES_LOG_OPERATION_CONTEXT_STATE_CHANGE = 0,
129 	MES_LOG_OPERATION_QUEUE_NEW_WORK = 1,
130 	MES_LOG_OPERATION_QUEUE_UNWAIT_SYNC_OBJECT = 2,
131 	MES_LOG_OPERATION_QUEUE_NO_MORE_WORK = 3,
132 	MES_LOG_OPERATION_QUEUE_WAIT_SYNC_OBJECT = 4,
133 	MES_LOG_OPERATION_QUEUE_INVALID = 0xF,
134 };
135 
136 enum MES_LOG_CONTEXT_STATE {
137 	MES_LOG_CONTEXT_STATE_IDLE		= 0,
138 	MES_LOG_CONTEXT_STATE_RUNNING		= 1,
139 	MES_LOG_CONTEXT_STATE_READY		= 2,
140 	MES_LOG_CONTEXT_STATE_READY_STANDBY	= 3,
141 	MES_LOG_CONTEXT_STATE_INVALID           = 0xF,
142 };
143 
144 struct MES_LOG_CONTEXT_STATE_CHANGE {
145 	void				*h_context;
146 	enum MES_LOG_CONTEXT_STATE	new_context_state;
147 };
148 
149 struct MES_LOG_QUEUE_NEW_WORK {
150 	uint64_t                   h_queue;
151 	uint64_t                   reserved;
152 };
153 
154 struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT {
155 	uint64_t                   h_queue;
156 	uint64_t                   h_sync_object;
157 };
158 
159 struct MES_LOG_QUEUE_NO_MORE_WORK {
160 	uint64_t                   h_queue;
161 	uint64_t                   reserved;
162 };
163 
164 struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT {
165 	uint64_t                   h_queue;
166 	uint64_t                   h_sync_object;
167 };
168 
169 struct MES_LOG_ENTRY_HEADER {
170 	uint32_t	first_free_entry_index;
171 	uint32_t	wraparound_count;
172 	uint64_t	number_of_entries;
173 	uint64_t	reserved[2];
174 };
175 
176 struct MES_LOG_ENTRY_DATA {
177 	uint64_t	gpu_time_stamp;
178 	uint32_t	operation_type; /* operation_type is of MES_LOG_OPERATION type */
179 	uint32_t	reserved_operation_type_bits;
180 	union {
181 		struct MES_LOG_CONTEXT_STATE_CHANGE     context_state_change;
182 		struct MES_LOG_QUEUE_NEW_WORK           queue_new_work;
183 		struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT queue_unwait_sync_object;
184 		struct MES_LOG_QUEUE_NO_MORE_WORK       queue_no_more_work;
185 		struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT   queue_wait_sync_object;
186 		uint64_t                                all[2];
187 	};
188 };
189 
190 struct MES_LOG_BUFFER {
191 	struct MES_LOG_ENTRY_HEADER	header;
192 	struct MES_LOG_ENTRY_DATA	entries[1];
193 };
194 
195 enum MES_SWIP_TO_HWIP_DEF {
196 	MES_MAX_HWIP_SEGMENT = 8,
197 };
198 
199 union MESAPI_SET_HW_RESOURCES {
200 	struct {
201 		union MES_API_HEADER	header;
202 		uint32_t		vmid_mask_mmhub;
203 		uint32_t		vmid_mask_gfxhub;
204 		uint32_t		gds_size;
205 		uint32_t		paging_vmid;
206 		uint32_t		compute_hqd_mask[MAX_COMPUTE_PIPES];
207 		uint32_t		gfx_hqd_mask[MAX_GFX_PIPES];
208 		uint32_t		sdma_hqd_mask[MAX_SDMA_PIPES];
209 		uint32_t		aggregated_doorbells[AMD_PRIORITY_NUM_LEVELS];
210 		uint64_t		g_sch_ctx_gpu_mc_ptr;
211 		uint64_t		query_status_fence_gpu_mc_ptr;
212 		uint32_t		gc_base[MES_MAX_HWIP_SEGMENT];
213 		uint32_t		mmhub_base[MES_MAX_HWIP_SEGMENT];
214 		uint32_t		osssys_base[MES_MAX_HWIP_SEGMENT];
215 		struct MES_API_STATUS	api_status;
216 		union {
217 			struct {
218 				uint32_t disable_reset	: 1;
219 				uint32_t use_different_vmid_compute : 1;
220 				uint32_t disable_mes_log   : 1;
221 				uint32_t apply_mmhub_pgvm_invalidate_ack_loss_wa : 1;
222 				uint32_t apply_grbm_remote_register_dummy_read_wa : 1;
223 				uint32_t second_gfx_pipe_enabled : 1;
224 				uint32_t enable_level_process_quantum_check : 1;
225 				uint32_t legacy_sch_mode : 1;
226 				uint32_t disable_add_queue_wptr_mc_addr : 1;
227 				uint32_t enable_mes_event_int_logging : 1;
228 				uint32_t enable_reg_active_poll : 1;
229 				uint32_t reserved	: 21;
230 			};
231 			uint32_t	uint32_t_all;
232 		};
233 		uint32_t	oversubscription_timer;
234 		uint64_t        doorbell_info;
235 		uint64_t        event_intr_history_gpu_mc_ptr;
236 	};
237 
238 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
239 };
240 
241 union MESAPI__ADD_QUEUE {
242 	struct {
243 		union MES_API_HEADER		header;
244 		uint32_t			process_id;
245 		uint64_t			page_table_base_addr;
246 		uint64_t			process_va_start;
247 		uint64_t			process_va_end;
248 		uint64_t			process_quantum;
249 		uint64_t			process_context_addr;
250 		uint64_t			gang_quantum;
251 		uint64_t			gang_context_addr;
252 		uint32_t			inprocess_gang_priority;
253 		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
254 		uint32_t			doorbell_offset;
255 		uint64_t			mqd_addr;
256 		uint64_t			wptr_addr;
257 		uint64_t                        h_context;
258 		uint64_t                        h_queue;
259 		enum MES_QUEUE_TYPE		queue_type;
260 		uint32_t			gds_base;
261 		uint32_t			gds_size;
262 		uint32_t			gws_base;
263 		uint32_t			gws_size;
264 		uint32_t			oa_mask;
265 		uint64_t                        trap_handler_addr;
266 		uint32_t                        vm_context_cntl;
267 
268 		struct {
269 			uint32_t paging			: 1;
270 			uint32_t debug_vmid		: 4;
271 			uint32_t program_gds		: 1;
272 			uint32_t is_gang_suspended	: 1;
273 			uint32_t is_tmz_queue		: 1;
274 			uint32_t map_kiq_utility_queue  : 1;
275 			uint32_t is_kfd_process		: 1;
276 			uint32_t trap_en		: 1;
277 			uint32_t is_aql_queue		: 1;
278 			uint32_t skip_process_ctx_clear : 1;
279 			uint32_t map_legacy_kq		: 1;
280 			uint32_t exclusively_scheduled	: 1;
281 			uint32_t reserved		: 17;
282 		};
283 		struct MES_API_STATUS		api_status;
284 		uint64_t                        tma_addr;
285 	};
286 
287 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
288 };
289 
290 union MESAPI__REMOVE_QUEUE {
291 	struct {
292 		union MES_API_HEADER	header;
293 		uint32_t		doorbell_offset;
294 		uint64_t		gang_context_addr;
295 
296 		struct {
297 			uint32_t unmap_legacy_gfx_queue   : 1;
298 			uint32_t unmap_kiq_utility_queue  : 1;
299 			uint32_t preempt_legacy_gfx_queue : 1;
300 			uint32_t unmap_legacy_queue       : 1;
301 			uint32_t reserved                 : 28;
302 		};
303 		struct MES_API_STATUS	    api_status;
304 
305 		uint32_t                    pipe_id;
306 		uint32_t                    queue_id;
307 
308 		uint64_t                    tf_addr;
309 		uint32_t                    tf_data;
310 
311 		enum MES_QUEUE_TYPE         queue_type;
312 	};
313 
314 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
315 };
316 
317 union MESAPI__SET_SCHEDULING_CONFIG {
318 	struct {
319 		union MES_API_HEADER	header;
320 		/* Grace period when preempting another priority band for this
321 		 * priority band. The value for idle priority band is ignored,
322 		 * as it never preempts other bands.
323 		 */
324 		uint64_t		grace_period_other_levels[AMD_PRIORITY_NUM_LEVELS];
325 		/* Default quantum for scheduling across processes within
326 		 * a priority band.
327 		 */
328 		uint64_t		process_quantum_for_level[AMD_PRIORITY_NUM_LEVELS];
329 		/* Default grace period for processes that preempt each other
330 		 * within a priority band.
331 		 */
332 		uint64_t		process_grace_period_same_level[AMD_PRIORITY_NUM_LEVELS];
333 		/* For normal level this field specifies the target GPU
334 		 * percentage in situations when it's starved by the high level.
335 		 * Valid values are between 0 and 50, with the default being 10.
336 		 */
337 		uint32_t		normal_yield_percent;
338 		struct MES_API_STATUS	api_status;
339 	};
340 
341 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
342 };
343 
344 union MESAPI__PERFORM_YIELD {
345 	struct {
346 		union MES_API_HEADER	header;
347 		uint32_t		dummy;
348 		struct MES_API_STATUS	api_status;
349 	};
350 
351 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
352 };
353 
354 union MESAPI__CHANGE_GANG_PRIORITY_LEVEL {
355 	struct {
356 		union MES_API_HEADER		header;
357 		uint32_t			inprocess_gang_priority;
358 		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
359 		uint64_t			gang_quantum;
360 		uint64_t			gang_context_addr;
361 		struct MES_API_STATUS		api_status;
362 	};
363 
364 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
365 };
366 
367 union MESAPI__SUSPEND {
368 	struct {
369 		union MES_API_HEADER	header;
370 		/* false - suspend all gangs; true - specific gang */
371 		struct {
372 			uint32_t suspend_all_gangs	: 1;
373 			uint32_t reserved		: 31;
374 		};
375 		/* gang_context_addr is valid only if suspend_all = false */
376 		uint64_t		gang_context_addr;
377 
378 		uint64_t		suspend_fence_addr;
379 		uint32_t		suspend_fence_value;
380 
381 		struct MES_API_STATUS	api_status;
382 	};
383 
384 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
385 };
386 
387 union MESAPI__RESUME {
388 	struct {
389 		union MES_API_HEADER	header;
390 		/* false - resume all gangs; true - specified gang */
391 		struct {
392 			uint32_t resume_all_gangs	: 1;
393 			uint32_t reserved		: 31;
394 		};
395 		/* valid only if resume_all_gangs = false */
396 		uint64_t		gang_context_addr;
397 
398 		struct MES_API_STATUS	api_status;
399 	};
400 
401 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
402 };
403 
404 union MESAPI__RESET {
405 	struct {
406 		union MES_API_HEADER		header;
407 
408 		struct {
409 			/* Only reset the queue given by doorbell_offset (not entire gang) */
410 			uint32_t                reset_queue_only : 1;
411 			/* Hang detection first then reset any queues that are hung */
412 			uint32_t                hang_detect_then_reset : 1;
413 			/* Only do hang detection (no reset) */
414 			uint32_t                hang_detect_only : 1;
415 			/* Rest HP and LP kernel queues not managed by MES */
416 			uint32_t                reset_legacy_gfx : 1;
417 			uint32_t                reserved : 28;
418 		};
419 
420 		uint64_t			gang_context_addr;
421 
422 		/* valid only if reset_queue_only = true */
423 		uint32_t			doorbell_offset;
424 
425 		/* valid only if hang_detect_then_reset = true */
426 		uint64_t			doorbell_offset_addr;
427 		enum MES_QUEUE_TYPE		queue_type;
428 
429 		/* valid only if reset_legacy_gfx = true */
430 		uint32_t			pipe_id_lp;
431 		uint32_t			queue_id_lp;
432 		uint32_t			vmid_id_lp;
433 		uint64_t			mqd_mc_addr_lp;
434 		uint32_t			doorbell_offset_lp;
435 		uint64_t			wptr_addr_lp;
436 
437 		uint32_t			pipe_id_hp;
438 		uint32_t			queue_id_hp;
439 		uint32_t			vmid_id_hp;
440 		uint64_t			mqd_mc_addr_hp;
441 		uint32_t			doorbell_offset_hp;
442 		uint64_t			wptr_addr_hp;
443 
444 		struct MES_API_STATUS		api_status;
445 	};
446 
447 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
448 };
449 
450 union MESAPI__SET_LOGGING_BUFFER {
451 	struct {
452 		union MES_API_HEADER	header;
453 		/* There are separate log buffers for each queue type */
454 		enum MES_QUEUE_TYPE	log_type;
455 		/* Log buffer GPU Address */
456 		uint64_t		logging_buffer_addr;
457 		/* number of entries in the log buffer */
458 		uint32_t		number_of_entries;
459 		/* Entry index at which CPU interrupt needs to be signalled */
460 		uint32_t		interrupt_entry;
461 
462 		struct MES_API_STATUS	api_status;
463 	};
464 
465 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
466 };
467 
468 union MESAPI__QUERY_MES_STATUS {
469 	struct {
470 		union MES_API_HEADER	header;
471 		bool			mes_healthy; /* 0 - not healthy, 1 - healthy */
472 		struct MES_API_STATUS	api_status;
473 	};
474 
475 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
476 };
477 
478 union MESAPI__PROGRAM_GDS {
479 	struct {
480 		union MES_API_HEADER	header;
481 		uint64_t		process_context_addr;
482 		uint32_t		gds_base;
483 		uint32_t		gds_size;
484 		uint32_t		gws_base;
485 		uint32_t		gws_size;
486 		uint32_t		oa_mask;
487 		struct MES_API_STATUS	api_status;
488 	};
489 
490 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
491 };
492 
493 union MESAPI__SET_DEBUG_VMID {
494 	struct {
495 		union MES_API_HEADER	header;
496 		struct MES_API_STATUS	api_status;
497 		union {
498 			struct {
499 				uint32_t use_gds	: 1;
500 				uint32_t operation      : 2;
501 				uint32_t reserved       : 29;
502 			} flags;
503 			uint32_t	u32All;
504 		};
505 		uint32_t		reserved;
506 		uint32_t		debug_vmid;
507 		uint64_t		process_context_addr;
508 		uint64_t		page_table_base_addr;
509 		uint64_t		process_va_start;
510 		uint64_t		process_va_end;
511 		uint32_t		gds_base;
512 		uint32_t		gds_size;
513 		uint32_t		gws_base;
514 		uint32_t		gws_size;
515 		uint32_t		oa_mask;
516 
517 		/* output addr of the acquired vmid value */
518 		uint64_t                output_addr;
519 	};
520 
521 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
522 };
523 
524 enum MESAPI_MISC_OPCODE {
525 	MESAPI_MISC__WRITE_REG,
526 	MESAPI_MISC__INV_GART,
527 	MESAPI_MISC__QUERY_STATUS,
528 	MESAPI_MISC__READ_REG,
529 	MESAPI_MISC__WAIT_REG_MEM,
530 	MESAPI_MISC__SET_SHADER_DEBUGGER,
531 	MESAPI_MISC__MAX,
532 };
533 
534 enum { MISC_DATA_MAX_SIZE_IN_DWORDS = 20 };
535 
536 struct WRITE_REG {
537 	uint32_t                  reg_offset;
538 	uint32_t                  reg_value;
539 };
540 
541 struct READ_REG {
542 	uint32_t                  reg_offset;
543 	uint64_t                  buffer_addr;
544 };
545 
546 enum WRM_OPERATION {
547 	WRM_OPERATION__WAIT_REG_MEM,
548 	WRM_OPERATION__WR_WAIT_WR_REG,
549 	WRM_OPERATION__MAX,
550 };
551 
552 struct WAIT_REG_MEM {
553 	enum WRM_OPERATION         op;
554 	uint32_t                   reference;
555 	uint32_t                   mask;
556 	uint32_t                   reg_offset1;
557 	uint32_t                   reg_offset2;
558 };
559 
560 struct INV_GART {
561 	uint64_t                  inv_range_va_start;
562 	uint64_t                  inv_range_size;
563 };
564 
565 struct QUERY_STATUS {
566 	uint32_t context_id;
567 };
568 
569 struct SET_SHADER_DEBUGGER {
570 	uint64_t process_context_addr;
571 	union {
572 		struct {
573 			uint32_t single_memop : 1;  /* SQ_DEBUG.single_memop */
574 			uint32_t single_alu_op : 1; /* SQ_DEBUG.single_alu_op */
575 			uint32_t reserved : 29;
576 			uint32_t process_ctx_flush : 1;
577 		};
578 		uint32_t u32all;
579 	} flags;
580 	uint32_t spi_gdbg_per_vmid_cntl;
581 	uint32_t tcp_watch_cntl[4]; /* TCP_WATCHx_CNTL */
582 	uint32_t trap_en;
583 };
584 
585 union MESAPI__MISC {
586 	struct {
587 		union MES_API_HEADER	header;
588 		enum MESAPI_MISC_OPCODE	opcode;
589 		struct MES_API_STATUS	api_status;
590 
591 		union {
592 			struct		WRITE_REG write_reg;
593 			struct		INV_GART inv_gart;
594 			struct		QUERY_STATUS query_status;
595 			struct		READ_REG read_reg;
596 			struct          WAIT_REG_MEM wait_reg_mem;
597 			struct		SET_SHADER_DEBUGGER set_shader_debugger;
598 			enum MES_AMD_PRIORITY_LEVEL queue_sch_level;
599 
600 			uint32_t	data[MISC_DATA_MAX_SIZE_IN_DWORDS];
601 		};
602 	};
603 
604 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
605 };
606 
607 union MESAPI__UPDATE_ROOT_PAGE_TABLE {
608 	struct {
609 		union MES_API_HEADER        header;
610 		uint64_t                    page_table_base_addr;
611 		uint64_t                    process_context_addr;
612 		struct MES_API_STATUS       api_status;
613 	};
614 
615 	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
616 };
617 
618 union MESAPI_AMD_LOG {
619 	struct {
620 		union MES_API_HEADER        header;
621 		uint64_t                    p_buffer_memory;
622 		uint64_t                    p_buffer_size_used;
623 		struct MES_API_STATUS       api_status;
624 	};
625 
626 	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
627 };
628 
629 #pragma pack(pop)
630 #endif
631