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