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 	};
236 
237 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
238 };
239 
240 union MESAPI__ADD_QUEUE {
241 	struct {
242 		union MES_API_HEADER		header;
243 		uint32_t			process_id;
244 		uint64_t			page_table_base_addr;
245 		uint64_t			process_va_start;
246 		uint64_t			process_va_end;
247 		uint64_t			process_quantum;
248 		uint64_t			process_context_addr;
249 		uint64_t			gang_quantum;
250 		uint64_t			gang_context_addr;
251 		uint32_t			inprocess_gang_priority;
252 		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
253 		uint32_t			doorbell_offset;
254 		uint64_t			mqd_addr;
255 		uint64_t			wptr_addr;
256 		uint64_t                        h_context;
257 		uint64_t                        h_queue;
258 		enum MES_QUEUE_TYPE		queue_type;
259 		uint32_t			gds_base;
260 		uint32_t			gds_size;
261 		uint32_t			gws_base;
262 		uint32_t			gws_size;
263 		uint32_t			oa_mask;
264 		uint64_t                        trap_handler_addr;
265 		uint32_t                        vm_context_cntl;
266 
267 		struct {
268 			uint32_t paging			: 1;
269 			uint32_t debug_vmid		: 4;
270 			uint32_t program_gds		: 1;
271 			uint32_t is_gang_suspended	: 1;
272 			uint32_t is_tmz_queue		: 1;
273 			uint32_t map_kiq_utility_queue  : 1;
274 			uint32_t is_kfd_process		: 1;
275 			uint32_t trap_en		: 1;
276 			uint32_t is_aql_queue		: 1;
277 			uint32_t skip_process_ctx_clear : 1;
278 			uint32_t map_legacy_kq		: 1;
279 			uint32_t exclusively_scheduled	: 1;
280 			uint32_t reserved		: 17;
281 		};
282 		struct MES_API_STATUS		api_status;
283 		uint64_t                        tma_addr;
284 	};
285 
286 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
287 };
288 
289 union MESAPI__REMOVE_QUEUE {
290 	struct {
291 		union MES_API_HEADER	header;
292 		uint32_t		doorbell_offset;
293 		uint64_t		gang_context_addr;
294 
295 		struct {
296 			uint32_t unmap_legacy_gfx_queue   : 1;
297 			uint32_t unmap_kiq_utility_queue  : 1;
298 			uint32_t preempt_legacy_gfx_queue : 1;
299 			uint32_t unmap_legacy_queue       : 1;
300 			uint32_t reserved                 : 28;
301 		};
302 		struct MES_API_STATUS	    api_status;
303 
304 		uint32_t                    pipe_id;
305 		uint32_t                    queue_id;
306 
307 		uint64_t                    tf_addr;
308 		uint32_t                    tf_data;
309 
310 		enum MES_QUEUE_TYPE         queue_type;
311 	};
312 
313 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
314 };
315 
316 union MESAPI__SET_SCHEDULING_CONFIG {
317 	struct {
318 		union MES_API_HEADER	header;
319 		/* Grace period when preempting another priority band for this
320 		 * priority band. The value for idle priority band is ignored,
321 		 * as it never preempts other bands.
322 		 */
323 		uint64_t		grace_period_other_levels[AMD_PRIORITY_NUM_LEVELS];
324 		/* Default quantum for scheduling across processes within
325 		 * a priority band.
326 		 */
327 		uint64_t		process_quantum_for_level[AMD_PRIORITY_NUM_LEVELS];
328 		/* Default grace period for processes that preempt each other
329 		 * within a priority band.
330 		 */
331 		uint64_t		process_grace_period_same_level[AMD_PRIORITY_NUM_LEVELS];
332 		/* For normal level this field specifies the target GPU
333 		 * percentage in situations when it's starved by the high level.
334 		 * Valid values are between 0 and 50, with the default being 10.
335 		 */
336 		uint32_t		normal_yield_percent;
337 		struct MES_API_STATUS	api_status;
338 	};
339 
340 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
341 };
342 
343 union MESAPI__PERFORM_YIELD {
344 	struct {
345 		union MES_API_HEADER	header;
346 		uint32_t		dummy;
347 		struct MES_API_STATUS	api_status;
348 	};
349 
350 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
351 };
352 
353 union MESAPI__CHANGE_GANG_PRIORITY_LEVEL {
354 	struct {
355 		union MES_API_HEADER		header;
356 		uint32_t			inprocess_gang_priority;
357 		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
358 		uint64_t			gang_quantum;
359 		uint64_t			gang_context_addr;
360 		struct MES_API_STATUS		api_status;
361 	};
362 
363 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
364 };
365 
366 union MESAPI__SUSPEND {
367 	struct {
368 		union MES_API_HEADER	header;
369 		/* false - suspend all gangs; true - specific gang */
370 		struct {
371 			uint32_t suspend_all_gangs	: 1;
372 			uint32_t reserved		: 31;
373 		};
374 		/* gang_context_addr is valid only if suspend_all = false */
375 		uint64_t		gang_context_addr;
376 
377 		uint64_t		suspend_fence_addr;
378 		uint32_t		suspend_fence_value;
379 
380 		struct MES_API_STATUS	api_status;
381 	};
382 
383 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
384 };
385 
386 union MESAPI__RESUME {
387 	struct {
388 		union MES_API_HEADER	header;
389 		/* false - resume all gangs; true - specified gang */
390 		struct {
391 			uint32_t resume_all_gangs	: 1;
392 			uint32_t reserved		: 31;
393 		};
394 		/* valid only if resume_all_gangs = false */
395 		uint64_t		gang_context_addr;
396 
397 		struct MES_API_STATUS	api_status;
398 	};
399 
400 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
401 };
402 
403 union MESAPI__RESET {
404 	struct {
405 		union MES_API_HEADER		header;
406 
407 		struct {
408 			/* Only reset the queue given by doorbell_offset (not entire gang) */
409 			uint32_t                reset_queue_only : 1;
410 			/* Hang detection first then reset any queues that are hung */
411 			uint32_t                hang_detect_then_reset : 1;
412 			/* Only do hang detection (no reset) */
413 			uint32_t                hang_detect_only : 1;
414 			/* Rest HP and LP kernel queues not managed by MES */
415 			uint32_t                reset_legacy_gfx : 1;
416 			uint32_t                reserved : 28;
417 		};
418 
419 		uint64_t			gang_context_addr;
420 
421 		/* valid only if reset_queue_only = true */
422 		uint32_t			doorbell_offset;
423 
424 		/* valid only if hang_detect_then_reset = true */
425 		uint64_t			doorbell_offset_addr;
426 		enum MES_QUEUE_TYPE		queue_type;
427 
428 		/* valid only if reset_legacy_gfx = true */
429 		uint32_t			pipe_id_lp;
430 		uint32_t			queue_id_lp;
431 		uint32_t			vmid_id_lp;
432 		uint64_t			mqd_mc_addr_lp;
433 		uint32_t			doorbell_offset_lp;
434 		uint64_t			wptr_addr_lp;
435 
436 		uint32_t			pipe_id_hp;
437 		uint32_t			queue_id_hp;
438 		uint32_t			vmid_id_hp;
439 		uint64_t			mqd_mc_addr_hp;
440 		uint32_t			doorbell_offset_hp;
441 		uint64_t			wptr_addr_hp;
442 
443 		struct MES_API_STATUS		api_status;
444 	};
445 
446 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
447 };
448 
449 union MESAPI__SET_LOGGING_BUFFER {
450 	struct {
451 		union MES_API_HEADER	header;
452 		/* There are separate log buffers for each queue type */
453 		enum MES_QUEUE_TYPE	log_type;
454 		/* Log buffer GPU Address */
455 		uint64_t		logging_buffer_addr;
456 		/* number of entries in the log buffer */
457 		uint32_t		number_of_entries;
458 		/* Entry index at which CPU interrupt needs to be signalled */
459 		uint32_t		interrupt_entry;
460 
461 		struct MES_API_STATUS	api_status;
462 	};
463 
464 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
465 };
466 
467 union MESAPI__QUERY_MES_STATUS {
468 	struct {
469 		union MES_API_HEADER	header;
470 		bool			mes_healthy; /* 0 - not healthy, 1 - healthy */
471 		struct MES_API_STATUS	api_status;
472 	};
473 
474 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
475 };
476 
477 union MESAPI__PROGRAM_GDS {
478 	struct {
479 		union MES_API_HEADER	header;
480 		uint64_t		process_context_addr;
481 		uint32_t		gds_base;
482 		uint32_t		gds_size;
483 		uint32_t		gws_base;
484 		uint32_t		gws_size;
485 		uint32_t		oa_mask;
486 		struct MES_API_STATUS	api_status;
487 	};
488 
489 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
490 };
491 
492 union MESAPI__SET_DEBUG_VMID {
493 	struct {
494 		union MES_API_HEADER	header;
495 		struct MES_API_STATUS	api_status;
496 		union {
497 			struct {
498 				uint32_t use_gds	: 1;
499 				uint32_t operation      : 2;
500 				uint32_t reserved       : 29;
501 			} flags;
502 			uint32_t	u32All;
503 		};
504 		uint32_t		reserved;
505 		uint32_t		debug_vmid;
506 		uint64_t		process_context_addr;
507 		uint64_t		page_table_base_addr;
508 		uint64_t		process_va_start;
509 		uint64_t		process_va_end;
510 		uint32_t		gds_base;
511 		uint32_t		gds_size;
512 		uint32_t		gws_base;
513 		uint32_t		gws_size;
514 		uint32_t		oa_mask;
515 
516 		/* output addr of the acquired vmid value */
517 		uint64_t                output_addr;
518 	};
519 
520 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
521 };
522 
523 enum MESAPI_MISC_OPCODE {
524 	MESAPI_MISC__WRITE_REG,
525 	MESAPI_MISC__INV_GART,
526 	MESAPI_MISC__QUERY_STATUS,
527 	MESAPI_MISC__READ_REG,
528 	MESAPI_MISC__WAIT_REG_MEM,
529 	MESAPI_MISC__SET_SHADER_DEBUGGER,
530 	MESAPI_MISC__MAX,
531 };
532 
533 enum { MISC_DATA_MAX_SIZE_IN_DWORDS = 20 };
534 
535 struct WRITE_REG {
536 	uint32_t                  reg_offset;
537 	uint32_t                  reg_value;
538 };
539 
540 struct READ_REG {
541 	uint32_t                  reg_offset;
542 	uint64_t                  buffer_addr;
543 };
544 
545 enum WRM_OPERATION {
546 	WRM_OPERATION__WAIT_REG_MEM,
547 	WRM_OPERATION__WR_WAIT_WR_REG,
548 	WRM_OPERATION__MAX,
549 };
550 
551 struct WAIT_REG_MEM {
552 	enum WRM_OPERATION         op;
553 	uint32_t                   reference;
554 	uint32_t                   mask;
555 	uint32_t                   reg_offset1;
556 	uint32_t                   reg_offset2;
557 };
558 
559 struct INV_GART {
560 	uint64_t                  inv_range_va_start;
561 	uint64_t                  inv_range_size;
562 };
563 
564 struct QUERY_STATUS {
565 	uint32_t context_id;
566 };
567 
568 struct SET_SHADER_DEBUGGER {
569 	uint64_t process_context_addr;
570 	union {
571 		struct {
572 			uint32_t single_memop : 1;  /* SQ_DEBUG.single_memop */
573 			uint32_t single_alu_op : 1; /* SQ_DEBUG.single_alu_op */
574 			uint32_t reserved : 29;
575 			uint32_t process_ctx_flush : 1;
576 		};
577 		uint32_t u32all;
578 	} flags;
579 	uint32_t spi_gdbg_per_vmid_cntl;
580 	uint32_t tcp_watch_cntl[4]; /* TCP_WATCHx_CNTL */
581 	uint32_t trap_en;
582 };
583 
584 union MESAPI__MISC {
585 	struct {
586 		union MES_API_HEADER	header;
587 		enum MESAPI_MISC_OPCODE	opcode;
588 		struct MES_API_STATUS	api_status;
589 
590 		union {
591 			struct		WRITE_REG write_reg;
592 			struct		INV_GART inv_gart;
593 			struct		QUERY_STATUS query_status;
594 			struct		READ_REG read_reg;
595 			struct          WAIT_REG_MEM wait_reg_mem;
596 			struct		SET_SHADER_DEBUGGER set_shader_debugger;
597 			enum MES_AMD_PRIORITY_LEVEL queue_sch_level;
598 
599 			uint32_t	data[MISC_DATA_MAX_SIZE_IN_DWORDS];
600 		};
601 	};
602 
603 	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
604 };
605 
606 union MESAPI__UPDATE_ROOT_PAGE_TABLE {
607 	struct {
608 		union MES_API_HEADER        header;
609 		uint64_t                    page_table_base_addr;
610 		uint64_t                    process_context_addr;
611 		struct MES_API_STATUS       api_status;
612 	};
613 
614 	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
615 };
616 
617 union MESAPI_AMD_LOG {
618 	struct {
619 		union MES_API_HEADER        header;
620 		uint64_t                    p_buffer_memory;
621 		uint64_t                    p_buffer_size_used;
622 		struct MES_API_STATUS       api_status;
623 	};
624 
625 	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
626 };
627 
628 #pragma pack(pop)
629 #endif
630